US3838974A - Rich fume incinerator - Google Patents
Rich fume incinerator Download PDFInfo
- Publication number
- US3838974A US3838974A US00274406A US27440672A US3838974A US 3838974 A US3838974 A US 3838974A US 00274406 A US00274406 A US 00274406A US 27440672 A US27440672 A US 27440672A US 3838974 A US3838974 A US 3838974A
- Authority
- US
- United States
- Prior art keywords
- stack
- housing
- air
- annular passageway
- upper chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000003517 fume Substances 0.000 title description 25
- 239000007789 gas Substances 0.000 claims abstract description 32
- 238000002485 combustion reaction Methods 0.000 claims abstract description 14
- 239000000446 fuel Substances 0.000 claims abstract description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 239000002912 waste gas Substances 0.000 abstract description 6
- 239000003546 flue gas Substances 0.000 abstract description 4
- 238000010304 firing Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 7
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000002440 industrial waste Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 241001233887 Ania Species 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2207/00—Control
- F23G2207/10—Arrangement of sensing devices
- F23G2207/101—Arrangement of sensing devices for temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2207/00—Control
- F23G2207/30—Oxidant supply
Abstract
An incineration system for incinerating flue gases which contain varying quantities of combustibles therein. Means is provided for controlling combustion air added to the flue gases when they contain combustible matter and means is provided for sensing the temperature of the combusting waste gases. When a preset temperature is exceeded, additional air is added to reduce the temperature of the gas, but when the temperature falls below the preset point, the burner firing rate is increased and the added air is cut off to insure proper incineration and achieve fuel efficiency.
Description
United States Patent Hemsath et al. 1 1 Get. 1, 11974 RICH IFUME INCiNERATOR 3,697,229 10/1972 Frey et a1 431/202 x [75] en ors: Khan s Hein c Hemsath, syl ania; 3,741,713 6/1973 Reed 431/202 Arvind Chhotalal Theltdi, Toledo, both of Ohio Primary Exammer-Joseph Scovronek Assistant Examiner-Michael S. Marcas [73] Asslgnee MIdIHHd-ROSS Corporation, Attorney, Agent, or Firm-Peter Vrahotes; Frank J.
Cleveland, Ohio Nawalanic [22] Filed: July 24, 1972 21 Appl. No.2 274,406 [57] ABSTRACT An incineration system for incinerating flue gases which contain varying quantities of combustibles [52] Cl 23/277 0 0 therein. Means is provided for controlling combustion dd d th fl h tl11 t b 151 int. c1. F23c 5/00, F230 9/04, F23q 7/06 e to e gaseiw en ey Con am 58 M fs h 23 277 C 423 210 246 tible matter and means is provldled for sensing the l 1 0 earc temperature of the combusting waste gases. When a l preset temperature is exceeded, additional air is added to reduce the temperature of the gas, but when the {56] References cued temperature falls below the preset point, the burner UNITED STATES PATENTS firing rate is increased and the added air is cut off to 3,545,918 12/1970 Frundl et a1. 23/277 C X insure proper incineration and achieve fuel efficiency. 3,607,119 9/1971 Nesbitt et a1 23/277 C 3,695,192 10 1972 Von Brimer 110/8 A 7 Claims, 2 Drawing Flgum PATENIED BUT I 74 FIG.1
RICH FUME INCINERATOR BACKGROUND OF THE INVENTION Industrial fumes containing common air pollutants, such as hydrocarbons, alcohols, ethers, soot and other combustibles, are frequently encountered. These fumes can be broadly divided into two types. The first type of fumes contains relatively insignificant quantities of combustible pollutants and there is an ample supply of oxygen for the combustion of the pollutants. Standard types of incinerators are readily available on the market which can be used for the incineration of such fumes.
The other type of fumes contains mainly a mixture of combustibles (hydrocarbons, soot particles, etc.) and other inert gases. The oxygen content of such fumes is relatively small. When a source of ignition, such as a premix pilot or a burner operating at stoichiometric air/fuel ratio, is placed in the fume stream, the fume cannot continue to burn because of insufficient oxygen. Presently available incinerators, as a rule, are not able to complete combustion of the exhausts; thereby yielding exhaust gases with high quantities of pollutants.
It is, therefore, an object of this invention to provide an incineration system for incinerating industrial waste gases which contain varying amounts of combustibles therein.
It is another object of this invention to provide means for incinerating waste gases and maintaining the temperature of the combustion uniform.
It is a further object of this invention to provide appa' ratus to incinerate rich fumes.
It is still another object of this invention to provide means for incinerating rich fumes that achieve high fuel efficiency.
Other objects, purposes and advantages will be apparent from a consideration of the following description and the accompanying drawing in which:
FIG. 1 is a vertical cross-sectional view, partially schematic, of an incineration system incorporating the features of this invention; and
FIG. 2 is a cross-sectional view taken along line 2-2 of FIG. 1.
SUMMARY OF THE INVENTION A double chambered system is added to a stack emit ting industrial waste gases which contain various amounts of combustibles therein. The first chamber terminates at the exit end of the stack in an annular passage, or restriction, so that air at high velocity is directed longitudinally relative the stack. This air acts as an air pump to enhance egress of the flue gases. These gases then enter into the second chamber of the housing, which chamber includes a plurality of burners. Within the second housing is a thermocouple which senses the temperature of the waste gases. A preset temperature is achieved by varying the quantities of air emitted from the first chamber as opposed to the amount of fuel and air supplied to the burners in the second chamber. In this way a constant temperature may be maintained despite the variance of combustibles within the exhaust gas.
DESCRIPTION OF THE PREFERRED EMBODIMENTS It has been found with regard to the explosion of a gas mixture containing combustibles, such as hydrocarbons, inert gases and air, that if the oxygen content of the mixture is less than 3 percent, the mixture cannot combust merely by increasing its temperature. Such mixtures are considered as above the upper combustion limit, and they are generally referred to as rich fumes."
For proper and efficient incineration of rich fumes, it is necessary to mix air with the combustibles in the fumes, and the temperature of the airl-fume mixture should be raised to a level where the reaction rates are very rapid. Thus, addition of air, proper mixing of the air with the fumes, and heating of the fumes to incineration temperature are the three most important requirements for the incineration of rich fumes. In case of very rich fumes containing combustibles which have a heating value in excess of approximately 40 Btu/ft, it is necessary to supply excess air, in addition to the combustion air, to reduce the temperature of combustion products to the practical incineration temperature, which is between 1,500l,800F. The amount of excess air, of course, depends on the selected incineration temperature, the heating value of the fumes and the oxygen content of the fumes. By controlling the incineration temperature, the refractory materials in the incinerator are protected.
In case of a batch type process, the fume composition, volume and temperature can vary considerably with time. For the maximum fuel economy, air and fuel supply to the incinerator must be controlled very carefully and independently.
Referring now to the drawing, an incineration system is shown generally at 10 and is adapted to incinerate exhaust fumes coming from a stack 12. The stack 12 has refractory bricks 14 lined on the inside thereof in order to preserve its heat and, as shown, has its inner wall flared out at its upper end at a shallow angle to its axis to approximately meet with its outer wall. Disposed about and above the stack 12 is a housing 16 having a lower chamber 18 and an upper chamber 20, the housing also being lined with refractory material 21. The lower chamber 18 terminates at the upper end of the stack 12 and has a restricted channel 22 portion. The lower chamber 18 also has an opening 24 therein which receives an air pipe 26.
The upper chamber 20 which, as shown, is formed of appreciably wider cross-sectional size than the re stricted channel portion 22 to form within the chamber an upwardly facing flame stabilization shoulder or step located just above the upper end of the stack 12, is supplied with tangential burners 28 that are received within openings 30 in the refractory 21 and are located laterally outward of the exit end of the annular passageway 22 and immediately above the exit end of the stack 112. Gas lines 32 are attached to the burners 28 as are air lines 34. The air lines 26 and 34 are in communication with an air control unit 36.
Received within the upper portion of the upper chamber 20 is a thermocouple 38 which has a lead 40 communicating with a temperature measuring and recording instrument 42. The temperature measuring instrument 42 in turn has a lead 44 that communicates with the air controller 36.
In operation, the rich fumes are emitted from the stack 12 into the upper chamber 20. Initially, the burners 28 are fired in order to provide the heat of combustion necessary for the exhaust gases. Simultaneously, a quantity of air is supplied to the lower chamber 18 from the air line 26 and passes through the channel 22 about the exit end of the stack 12. This air passing through the channel 22 acts as an air pump to aspirate and thereby enhance the discharge, or emission, of the exhaust gases from the stack 12. Additionally, the annular stream of air from channel 22 promotes uniform mixing of the gases within upper chamber 20.
The combustion products will ignite in the upper chamber and the temperature thereof is sensed by thermocouple 38. The measuring instrument 42 will set a given temperature for the combustion products and will control the amount of air supplied to the lower chamber 18 and the upper chamber 20 in response to this temperature. When the temperature is low, additional air will be supplied to the burners 28 in order to raise the temperature and assures complete incineration of the waste gases. The burners 28 may be of the type that gas is supplied thereto in proportional response to the amount of air supplied to the burners. If the temperature becomes too high, the supply of air to the burners is discontinued and the temperature is controlled by air supplied through the air pipe 26 into the housing 16. So long as the temperature can be maintained at the set point through the supplying of air to the exhaust gases, the burners 28 need not be operated. This obviously means that the exhaust gases have a sufficient quantity of combustibles therein to independently support combustion. If the amount of combustibles in the exhaust gases are so high that the preset temperature is exceeded, an excess amount of air will be added through pipe 26 in order to lower the temperature of the combusting exhaust gases. Thus, an incineration system is provided which is operative to completely combust waste gases emitted from a stack, regardless of the amount or percentage of combustibles contained in the gases.
What is claimed is:
1. In an incineration system for exhaust gases emitting from a stack, the combination comprising: a housing confluent with and located over the upper portion of the stack, means defining a restricted annular passageway immediately surrounding the exit opening of the stack and confluent with the lower portion of the housing, means for supplying air from the said annular passageway and into said housing to produce an annular stream of air effective through its aspirating action to enhance the egress of the exhaust gases from said stack into said housing and entrain them in said air stream, at least one burner located within said housing adjacent and laterally outward of the exit end of said annular passageway, means for sensing the temperature in said housing, means responsive to said sensing means for controlling the quantity of air from said passageway and controlling the quantity of air and fuel to said burners.
2. The incineration system of claim 1 wherein said housing is provided with a plurality of tangential burners located therein immediately above the exit end of the stack and laterally outward of the exit end of said annular passageway.
3. In an incineration system for exhaust gases emitting from a stack, the combination comprising: a housing having an upper chamber, a lower chamber, and a reduced section therebetween of essentially cylindrical form, the stack being received within said housing with its exhaust end located within the reduced section of said housing to define therewith a restricted annular passageway communicating with both said upper and lower chambers and immediately surrounding the exit opening of the stack, means for supplying air to said lower chamber to produce an annular stream of air exiting from said annular passageway into said upper chamber and effective through its aspirating action to enhance the egress of the exhaust gases from said stack into said upper chamber and entrain them in said air stream, burner means located within said upper chamber adjacent and laterally outward of the exit end of said annular passageway, means for sensing the temperature in said upper chamber, and means responsive to said temperature sensing means for controlling said air supply means and said burner means.
4. The incineration system of claim 3 wherein said burner means comprises a plurality of burners located adjacent and laterally outward of the exit end of said annular passageway with their longitudinal axes directed generally tangentially relative to the stack.
5. An incinerator for exhaust gases emitting from a stack and containing combustibles but insufficient oxygen to support the substantially complete combustion thereof, said incinerator comprising a housing having an upper chamber, a lower chamber, and a reduced passageway section therebetween of essentially cylindrical form, the stack being received within said housing with its exhaust end located within the reduced passageway section of said housing to define therewith a restricted annular passageway communicating with both said upper and lower chambers and immediately surrounding the exit opening of the stack, means for supplying air to said lower chamber to produce an annular stream of air exiting from said annular passageway into said upper chamber and effective through its aspirating action to enhance the egress of the exhaust gases from said stack into said upper chamber and entrain them in said air stream, an upwardly facing lateral shoulder in said upper chamber forming the lower end thereof and located immediately above and surrounding the exit end of said stack for stabilizing thereat the flame of the burning exhaust gases in the upper housing, and burner means in said upper housing located adjacent and laterally outward of the exit end of said annular passageway.
6. An incinerator as specified in claim 5 wherein the inside wall of said stack is flared out at its upper end to approximately meet with the outside wall of the stack.
7. An incinerator as specified in claim 5 wherein said burner means comprises a plurality of burners located with their longitudinal axes directed generally tangentially relative to the stack.
l l= l=
Claims (7)
1. IN AN INCINERATION SYSTEM OF FRO EXHAUST GASES EMITTING FROM A STACK, THE COMBINATION COMPRISING: A HOUSING CONFLUENT WITH AND LOCATED OVER RHE UPPER PORTION OF THE STACK, MEANS DEFINING A RESTRICTED ANNULAR PASSAGEWAY IMMEDIATELY SURROUNDING THE EXIT OPENING OF THE STACK AND CONFLUENT WITH THE LOWER PORTION OF THE HOUSING, MEANS FOR SUPPIYING AIR FROM THE SAID ANNULAR PASSAGEWAY AND INTO SAID HOUSING TO PRODUCE AN ANNULAR STREAM OF AIR EFFECTIVE THROUGH ITS ASPIRATING ACTION TO ENHANCE THE EGRESS OF THE EXHAUST GASES FROM SAID STACK INTO SAID HOUSING AND ENTRAIN THEN IN SAID AIR STREAM, AT LEAST ONE BURNER LOCATED WITHIN SAID HOUSING ADJACENT AND LATERALLY OUTWARD OF THE EXIT END OF SAID ANNULAR PASSAGEWAY, MEANS FOR SENSING THE TEMPERATURE IN SAID HOUSING, MEANS RESPONSIVE TO SAID SENSING MEANS FOR CONTROLLING THE QUANTITY OF AIR FROM SAID PASSAGEWAY AND CONTROLLING THE QUANTITY OF AIR AND FUEL TO SAID BURNERS.
2. The incineration system of claim 1 wherein said housing is provided with a plurality of tangential burners located therein immediately above the exit end of the stack and laterally outward of the exit end of said annular passageway.
3. In an incineration system for exhaust gases emitting from a stack, the combination comprising: a housing having an upper chamber, a lower chamber, and a reduced section therebetween of essentially cylindrical form, the stack being received within said housing with its exhaust end located within the reduced section of said housing to define therewith a restricted annular passageway communicating with both said upper and lower chambers and immediately surrounding the exit opening of the stack, means for supplying air to said lower chamber to produce an annular stream of air exiting from said annular passageway into said upper chamber and effective through its aspirating action to enhance the egress of the exhaust gases from said stack into said upper chamber and entrain them in said air stream, burner means located within said upper chamber adjacent and laterally outward of the exit end of said annular passageway, means for sensing the temperature in said upper chamber, and means responsive to said temperature sensing means for controlling said air supply means and said burner means.
4. The incineration system of claim 3 wherein said burner means comprises a plurality of burners located adjacent and laterally outward of the exit end of said annular passageway with their longitudinal axes directed generally tangentially relative to the stack.
5. An incinerator for exhaust gases emitting from a stack and containing combustibles but insufficient oxygen to support the substantially complete combustion thereof, said incinerator comprising a housing having an upper chamber, a lower chamber, and a reduced passageway section therebetween of essentially cylindrical form, the stack being received within said housing with its exhaust end located within the reduced passageway section of said housing to define therewith a restricted annular passageway communicating with both said upper and lower chambers and immediately surrounding the exit opening of the stack, means for supplying air to said lower chamber to produce an annular stream of air exiting from said annular passageway into said upper chamber and effective through its aspirating action to enhance the egress of the exhaust gases from said stack into said upper chamber and entrain them in said air stream, an upwardly facing lateral shoulder in said upper chamber forming the lower end thereof and located immediately above and surrounding the exit end of said stack for stabilizing thereat the flame of the burning exhaust gases in the upper housing, and burner means in said upper housing located adjacent and laterally outward of the exit end of said annular passageway.
6. An incinerator as specified in claim 5 wherein the inside wall of said stack is flared out at its upper end to approximately meet with the outside wall of the stack.
7. An incinerator as specified in claim 5 wherein said burner means comprises a plurality of burners located with their longitudinal axes directed generally tangentially relative to the stack.
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00274406A US3838974A (en) | 1972-07-24 | 1972-07-24 | Rich fume incinerator |
CA168,372A CA977620A (en) | 1972-07-24 | 1973-04-10 | Rich fume incinerator |
AU56682/73A AU480459B2 (en) | 1972-07-24 | 1973-06-07 | Fume incinerator |
GB2724573A GB1428043A (en) | 1972-07-24 | 1973-06-07 | Incineration apparatus |
ES1973192344U ES192344Y (en) | 1972-07-24 | 1973-06-09 | NEW SMOKE INCINERATOR. |
IT25882/73A IT990697B (en) | 1972-07-24 | 1973-06-27 | SMOKE INCINERATOR |
FR7324903A FR2228196B1 (en) | 1972-07-24 | 1973-07-06 | |
BR5083/73A BR7305083D0 (en) | 1972-07-24 | 1973-07-09 | PROCESS TO BURN RESIDUAL GASES AND INCINERATION APPLIANCE |
JP48079353A JPS5127893B2 (en) | 1972-07-24 | 1973-07-16 | |
DE2337283A DE2337283C3 (en) | 1972-07-24 | 1973-07-23 | Device for burning exhaust gases coming from a chimney |
US445480A US3898317A (en) | 1972-07-24 | 1974-02-25 | Method for incinerating flue gases |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00274406A US3838974A (en) | 1972-07-24 | 1972-07-24 | Rich fume incinerator |
Publications (1)
Publication Number | Publication Date |
---|---|
US3838974A true US3838974A (en) | 1974-10-01 |
Family
ID=23048050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00274406A Expired - Lifetime US3838974A (en) | 1972-07-24 | 1972-07-24 | Rich fume incinerator |
Country Status (9)
Country | Link |
---|---|
US (1) | US3838974A (en) |
JP (1) | JPS5127893B2 (en) |
BR (1) | BR7305083D0 (en) |
CA (1) | CA977620A (en) |
DE (1) | DE2337283C3 (en) |
ES (1) | ES192344Y (en) |
FR (1) | FR2228196B1 (en) |
GB (1) | GB1428043A (en) |
IT (1) | IT990697B (en) |
Cited By (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3909953A (en) * | 1974-02-28 | 1975-10-07 | Midland Ross Corp | Paint drying method and apparatus |
US3917796A (en) * | 1972-07-18 | 1975-11-04 | Black Sivalls & Bryson Inc | Method of incinerating vent gas |
US3941868A (en) * | 1973-02-24 | 1976-03-02 | Georg Fischer Aktiengesellschaft | Method of removing exhaust gases from plastic binded sand molds |
US3988421A (en) * | 1972-05-10 | 1976-10-26 | Tecnochim S.R.L. | Gas cleaning process and equipment |
US4063870A (en) * | 1974-11-06 | 1977-12-20 | Stein Industrie | Combustion of hot gases of low calorific power |
US4218426A (en) * | 1976-04-09 | 1980-08-19 | Continental Carbon Company | Method and apparatus for the combustion of waste gases |
US4378334A (en) * | 1980-07-11 | 1983-03-29 | Griffith Laboratories U.S.A., Inc. | Apparatus for disposal of spent sterilant or biocidal gases |
US4913069A (en) * | 1989-03-17 | 1990-04-03 | Surface Combustion, Inc. | Batch pyrolysis system |
US5061463A (en) * | 1989-08-24 | 1991-10-29 | Hoechst Celanese Corporation | Coincinerator apparatus and method for processing waste gases |
US6120281A (en) * | 1996-02-06 | 2000-09-19 | Vatsky; Joel | Combustion method utilizing tangential firing |
WO2001009547A1 (en) * | 1999-07-29 | 2001-02-08 | Independent Stave Co. | Burners with high turndown ratio and gas combustor |
US20050161868A1 (en) * | 2004-01-28 | 2005-07-28 | Hugens John R.Jr. | Vertical shaft melting furnace |
US20080145281A1 (en) * | 2006-12-14 | 2008-06-19 | Jenne Richard A | Gas oxygen incinerator |
US20080173176A1 (en) * | 2007-01-19 | 2008-07-24 | Duesel Bernard F | Fluid scrubber |
US20080173031A1 (en) * | 2007-01-19 | 2008-07-24 | Duesel Bernard F | Cooling tower |
US20080174033A1 (en) * | 2007-01-19 | 2008-07-24 | Duesel Bernard F | Air stripper |
US20080256010A1 (en) * | 2006-12-22 | 2008-10-16 | Verizon Data Services Inc. | Neural networks within a network management system |
US7832714B2 (en) | 2007-01-19 | 2010-11-16 | Heartland Technology Partners Llc | Desalination system |
US20110174447A1 (en) * | 2007-03-13 | 2011-07-21 | Heartland Technology Partners Llc | Compact wastewater concentrator using waste heat |
US8568557B2 (en) | 2007-03-13 | 2013-10-29 | Heartland Technology Partners Llc | Compact wastewater concentrator using waste heat |
US8585869B1 (en) | 2013-02-07 | 2013-11-19 | Heartland Technology Partners Llc | Multi-stage wastewater treatment system |
US8721771B2 (en) | 2011-01-21 | 2014-05-13 | Heartland Technology Partners Llc | Condensation plume mitigation system for exhaust stacks |
US8741100B2 (en) | 2007-03-13 | 2014-06-03 | Heartland Technology Partners Llc | Liquid concentrator |
US8741101B2 (en) | 2012-07-13 | 2014-06-03 | Heartland Technology Partners Llc | Liquid concentrator |
US8790496B2 (en) | 2007-03-13 | 2014-07-29 | Heartland Technology Partners Llc | Compact wastewater concentrator and pollutant scrubber |
US8801897B2 (en) | 2007-03-13 | 2014-08-12 | Heartland Technology Partners Llc | Compact wastewater concentrator and contaminant scrubber |
US8808497B2 (en) | 2012-03-23 | 2014-08-19 | Heartland Technology Partners Llc | Fluid evaporator for an open fluid reservoir |
US9199861B2 (en) | 2013-02-07 | 2015-12-01 | Heartland Technology Partners Llc | Wastewater processing systems for power plants and other industrial sources |
US9296624B2 (en) | 2011-10-11 | 2016-03-29 | Heartland Technology Partners Llc | Portable compact wastewater concentrator |
US10005678B2 (en) | 2007-03-13 | 2018-06-26 | Heartland Technology Partners Llc | Method of cleaning a compact wastewater concentrator |
EP3502560A4 (en) * | 2016-08-19 | 2020-07-29 | Ebara Corporation | Burner head for exhaust gas treatment device and method for manufacturing same, and combustion chamber for exhaust gas treatment device, and manufacturing method and maintenance method for same |
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JPS52153140U (en) * | 1976-05-18 | 1977-11-19 | ||
DE3929044A1 (en) * | 1989-09-01 | 1991-03-14 | Stephan Dipl Ing Winkelhorst | Oil separator - to separate oil from oil-water mixts. in inclined-plate separator, for removal of solid material deposits |
JPH11218316A (en) * | 1998-02-03 | 1999-08-10 | Risou Burner Kk | Waste liquid incinerator and incinerating method |
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US3545918A (en) * | 1968-02-21 | 1970-12-08 | Ajem Lab Inc | Afterburner system for cupola furnace |
US3607119A (en) * | 1969-09-30 | 1971-09-21 | Midland Ross Corp | Apparatus for treating gases |
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FR2105394A5 (en) * | 1970-09-04 | 1972-04-28 | Cimab Sa | |
FR2089445A5 (en) * | 1971-04-02 | 1972-01-07 | Sigoure Freres Sa |
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1972
- 1972-07-24 US US00274406A patent/US3838974A/en not_active Expired - Lifetime
-
1973
- 1973-04-10 CA CA168,372A patent/CA977620A/en not_active Expired
- 1973-06-07 GB GB2724573A patent/GB1428043A/en not_active Expired
- 1973-06-09 ES ES1973192344U patent/ES192344Y/en not_active Expired
- 1973-06-27 IT IT25882/73A patent/IT990697B/en active
- 1973-07-06 FR FR7324903A patent/FR2228196B1/fr not_active Expired
- 1973-07-09 BR BR5083/73A patent/BR7305083D0/en unknown
- 1973-07-16 JP JP48079353A patent/JPS5127893B2/ja not_active Expired
- 1973-07-23 DE DE2337283A patent/DE2337283C3/en not_active Expired
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US3545918A (en) * | 1968-02-21 | 1970-12-08 | Ajem Lab Inc | Afterburner system for cupola furnace |
US3607119A (en) * | 1969-09-30 | 1971-09-21 | Midland Ross Corp | Apparatus for treating gases |
US3697229A (en) * | 1970-09-25 | 1972-10-10 | Combustion Eng | Automatic ignition system for flaring waste combustible gases |
US3695192A (en) * | 1970-10-12 | 1972-10-03 | Joe W Von Brimer | Combustion product processing device and method |
US3741713A (en) * | 1972-03-10 | 1973-06-26 | Zink Co John | Purge gas admission control for flare system |
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US3988421A (en) * | 1972-05-10 | 1976-10-26 | Tecnochim S.R.L. | Gas cleaning process and equipment |
US3917796A (en) * | 1972-07-18 | 1975-11-04 | Black Sivalls & Bryson Inc | Method of incinerating vent gas |
US3941868A (en) * | 1973-02-24 | 1976-03-02 | Georg Fischer Aktiengesellschaft | Method of removing exhaust gases from plastic binded sand molds |
US3909953A (en) * | 1974-02-28 | 1975-10-07 | Midland Ross Corp | Paint drying method and apparatus |
US4063870A (en) * | 1974-11-06 | 1977-12-20 | Stein Industrie | Combustion of hot gases of low calorific power |
US4218426A (en) * | 1976-04-09 | 1980-08-19 | Continental Carbon Company | Method and apparatus for the combustion of waste gases |
US4378334A (en) * | 1980-07-11 | 1983-03-29 | Griffith Laboratories U.S.A., Inc. | Apparatus for disposal of spent sterilant or biocidal gases |
US4913069A (en) * | 1989-03-17 | 1990-04-03 | Surface Combustion, Inc. | Batch pyrolysis system |
US5061463A (en) * | 1989-08-24 | 1991-10-29 | Hoechst Celanese Corporation | Coincinerator apparatus and method for processing waste gases |
US6120281A (en) * | 1996-02-06 | 2000-09-19 | Vatsky; Joel | Combustion method utilizing tangential firing |
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US8721771B2 (en) | 2011-01-21 | 2014-05-13 | Heartland Technology Partners Llc | Condensation plume mitigation system for exhaust stacks |
US9296624B2 (en) | 2011-10-11 | 2016-03-29 | Heartland Technology Partners Llc | Portable compact wastewater concentrator |
US9943774B2 (en) | 2012-03-23 | 2018-04-17 | Heartland Technology Partners Llc | Fluid evaporator for an open fluid reservoir |
US8808497B2 (en) | 2012-03-23 | 2014-08-19 | Heartland Technology Partners Llc | Fluid evaporator for an open fluid reservoir |
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US9199861B2 (en) | 2013-02-07 | 2015-12-01 | Heartland Technology Partners Llc | Wastewater processing systems for power plants and other industrial sources |
US8585869B1 (en) | 2013-02-07 | 2013-11-19 | Heartland Technology Partners Llc | Multi-stage wastewater treatment system |
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Also Published As
Publication number | Publication date |
---|---|
ES192344U (en) | 1974-09-01 |
DE2337283A1 (en) | 1974-02-07 |
GB1428043A (en) | 1976-03-17 |
CA977620A (en) | 1975-11-11 |
DE2337283B2 (en) | 1977-07-28 |
AU5668273A (en) | 1974-12-12 |
JPS5127893B2 (en) | 1976-08-16 |
ES192344Y (en) | 1975-01-01 |
JPS4945437A (en) | 1974-04-30 |
FR2228196A1 (en) | 1974-11-29 |
BR7305083D0 (en) | 1974-09-05 |
FR2228196B1 (en) | 1978-07-21 |
DE2337283C3 (en) | 1978-03-16 |
IT990697B (en) | 1975-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: FL AEROSPACE CORP. Free format text: CHANGE OF NAME;ASSIGNORS:MIDLAND-ROSS CORPORATION MERGING INTO;MRC MERGER CORP., CHANGED NAME TO;MIDLAND - ROSS CORPORATION, CHANGED TO;REEL/FRAME:005240/0352 Effective date: 19880926 Owner name: SURFACE COMBUSTION, INC., OHIO Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:FL AEROSPACE CORP.;REEL/FRAME:005091/0582 Effective date: 19880608 |