CN104534193A - Ultrahigh molecular weight polyethylene lining composite pipe production method and device - Google Patents
Ultrahigh molecular weight polyethylene lining composite pipe production method and device Download PDFInfo
- Publication number
- CN104534193A CN104534193A CN201510009282.6A CN201510009282A CN104534193A CN 104534193 A CN104534193 A CN 104534193A CN 201510009282 A CN201510009282 A CN 201510009282A CN 104534193 A CN104534193 A CN 104534193A
- Authority
- CN
- China
- Prior art keywords
- pipe
- molecular weight
- weight polyethylene
- composite
- machine
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
- F16L9/147—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
Abstract
The invention discloses an ultrahigh molecular weight polyethylene lining composite pipe production method and device, and relates to the field of composite pipe production method and device equipment. The ultrahigh molecular weight polyethylene lining composite pipe production method comprises the steps of pretreatment, material selection, composition, destressing, constant length cut and flanging. The ultrahigh molecular weight polyethylene lining composite pipe production device is characterized in that an outlet of a size reducing machine is provided with a lining pipe conveying device to be connected with one inlet of a cleaning machine, the other inlet of the cleaning machine is provided with a steel pipe conveying device, the cleaning machine is provided with a lining pipe outlet and a steel pipe outlet which are connected with corresponding inlets of a composite mold machine, the composite mold machine, a placement table, a heating box, a constant length cutting machine, a flanging machine and a coupling screw-on machine are connected in sequence, and a composite pipe conveying device is arranged between every two adjacent devices. The ultrahigh molecular weight polyethylene lining composite pipe production method is simple, the lining composition effect is good, the phenomenon that an outer pipe is stripped or disengaged from an inner pipe is avoided, the technological difficulty degree is low, working efficiency is high, the product percent of pass is high, the product quality is improved, the product has the ultrahigh wear resistance, and manufactured composite pipes are long in using period.
Description
Technical field
The present invention relates to production method and the process units apparatus field of composite pipe, particularly relate to a kind of ultra-high molecular weight polyethylene inner liner compound pipe production method and device.
Background technique
Oil pipe, as the consumptive material of the development field such as oil, natural gas exploration, plays the important and pivotal role.Existing oil pipe is generally steel material and makes, and due to reasons such as in use rubbing and be corroded, causes that oil pipe working life is shorter, the replacement cycle is shorter.The oil pipe of usual steel material in use for some time often can on inwall wax deposition, just there will be fouling in the course of time, cause pipe aperture to narrow, need regularly to carry out cleaning during shutdown to it, reduce manufacturing efficiency.In order to solve the problem, existing mode is the inwall applying coating at oil pipe, but the inwall of oil pipe cleans and there is certain difficulty, and thus the adhesion of coating is very low, very easily comes off.And ultra-high molecular weight polyethylene inner liner compound pipe, current development is rapid, but because processing link is more, current process units and method, continuous production is poor, cause discrepancy in production process serious, thus waste a large amount of manpowers and financial resources because each link disconnects mutually, make cost of production higher.In addition, existing preparation process is comparatively original, i.e. Shooting Technique, internal lining pipe is easily peeled off, comes off, and seriously affects quality and the efficiency of product.
Summary of the invention
The deficiency existed in for background technique of the present invention, and provide a kind of ultra-high molecular weight polyethylene inner liner compound pipe production method and device.
Ultra-high molecular weight polyethylene inner liner compound pipe production method of the present invention realizes through the following steps:
A, pretreatment: steel pipe to be composite is carried out dedusting cleaning, and unload two ends protect button;
B, selection: choose the superhigh molecular weight polyethylene pipe that diameter is greater than 3 ~ 9mm of a step pipe diameter, shrink its diameter of footpath to being less than pipe diameter 1 ~ 2mm;
C, compound: superhigh molecular weight polyethylene pipe b step obtained is inserted in the steel pipe of a step immediately;
D, destressing: the composite pipe that step c obtained is placed 22 ~ 26 hours recovery stress, polyethylene pipe resilience and steel pipe inner walls and fitted tightly, at 70 DEG C ~ 90 DEG C temperature constant temperature destressing sizing in 1.5 ~ 3 hours and compound complete;
E, cut-to-length: the tube head at the superhigh molecular weight polyethylene pipe two ends in the composite pipe of Step d is retained the 17 ~ 23mm growing steel pipe;
F, flange: after the two ends of superhigh molecular weight polyethylene pipe in step e are locally heated to 290 DEG C ~ 300 DEG C, 3 ~ 6 minutes, to carry out flange identical with outer diameter of steel pipes to its external diameter, this composite pipe installed box cupling or helmet, gets product.
As a further improvement on the present invention, oil pipe 20-23mm is all longer than at the superhigh molecular weight polyethylene pipe two ends in described step e.
Ultra-high molecular weight polyethylene inner liner compound pipe process units of the present invention, that the outlet forming size reducing machine with flanger by size reducing machine, composite dies machine is provided with internal lining pipe conveying means and is connected with washing machine one import, another import of washing machine is provided with steel pipe conveying means, washing machine is provided with internal lining pipe outlet and steel pipe and exports import corresponding with composite dies machine respectively and be connected, and composite dies machine, mounting table, heating cabinet, cut-to-length machine, flanger and box cupling thread screw on and-off machine connect successively, be equipped with composite pipe transmitting set between adjacent device.
As a further improvement on the present invention, described composite pipe transmitting set is any one in driving belt, gantry crane and fork truck.
As a further improvement on the present invention, described heating cabinet is provided with temperature-control adjustment device.
Ultra-high molecular weight polyethylene inner liner compound pipe production method of the present invention, program is relatively succinct, be convenient to machining operation ultra-high molecular weight polyethylene inner liner compound pipe, this method is used to obtain liner composite effect good, the phenomenon generation come off peeled off by the outer tube avoiding interior pipe, technology difficulty coefficient is relatively low, and working efficiency is high, the qualified height of product, improve quality of product, make it have the wear resistance of superelevation, long by the composite pipe life cycle that method of the present invention is obtained.And the process units of ultra-high molecular weight polyethylene inner liner compound pipe of the present invention, reasonable in design, links effectively connects, make whole process units continuity better, facilitate overall processing to the overall arrangement of links, simple to operate, validity is high, more simple and clear than traditional injection moulding technique, shorten flow process, be conducive to the quality of production and the manufacturing efficiency that improve product further, form a complete entirety, reduce the use amount of workman to greatest extent, reduce cost of production.
Accompanying drawing explanation
Fig. 1 is ultra-high molecular weight polyethylene inner liner compound pipe process units structural drawing of the present invention.
Embodiment
Embodiment 1
Ultra-high molecular weight polyethylene inner liner compound pipe production method of the present invention, realizes through the following steps:
A, pretreatment: steel pipe to be composite is carried out dedusting cleaning, and unload two ends protect button;
B, selection: choose the superhigh molecular weight polyethylene pipe that diameter is greater than 3 ~ 9mm of a step pipe diameter, shrink its diameter of footpath to being less than pipe diameter 1 ~ 2mm;
C, compound: superhigh molecular weight polyethylene pipe b step obtained is inserted in the steel pipe of a step immediately;
D, destressing: the composite pipe that step c obtained is placed 22 ~ 26 hours recovery stress, polyethylene pipe resilience and steel pipe inner walls and fitted tightly, at 70 DEG C ~ 90 DEG C temperature constant temperature destressing sizing in 1.5 ~ 3 hours and compound complete;
E, cut-to-length: the tube head at the superhigh molecular weight polyethylene pipe two ends in the composite pipe of Step d is retained the 17 ~ 23mm growing steel pipe;
F, flange: after the two ends of superhigh molecular weight polyethylene pipe in step e are locally heated to 290 DEG C ~ 300 DEG C, 3 ~ 6 minutes, to carry out flange identical with outer diameter of steel pipes to its external diameter, this composite pipe installed box cupling or helmet, gets product.
Embodiment 2
Ultra-high molecular weight polyethylene inner liner compound pipe production method of the present invention, realizes through the following steps:
A, pretreatment: be that the steel pipe to be composite of 60mm carries out dedusting cleaning by diameter, and unload two ends protect button;
B, selection: choose the superhigh molecular weight polyethylene pipe that diameter is 64mm, carry out contraction with size reducing machine and make its undergauge to 58mm; Again the superhigh molecular weight polyethylene pipe after undergauge is cleaned; Size reducing machine roller size is followed successively by: 64mm, 63mm, 62mm, 60mm, 59mm, 58mm;
C, compound: the superhigh molecular weight polyethylene pipe obtained through b step is inserted immediately in the steel pipe of a step;
D, destressing: composite pipe step c obtained is placed 23 hours recovery stress, polyethylene pipe resilience and steel pipe inner wall are fitted tightly, at 70 DEG C ~ 90 DEG C temperature constant temperature destressing sizing in 2 hours and compound complete;
E, cut-to-length: the tube head at the superhigh molecular weight polyethylene pipe two ends in the composite pipe of Step d is grown steel tube head 20mm;
F, flange: by after in step e, the two ends of superhigh molecular weight polyethylene pipe are locally heated to 290 ~ 300 DEG C, 4 minutes, to carry out flange identical with outer diameter of steel pipes to its external diameter, this composite pipe is installed box cupling or helmet, gets product.
Embodiment 3
Ultra-high molecular weight polyethylene inner liner compound pipe production method of the present invention, realizes through the following steps:
A, pretreatment: be that the steel pipe washing machine to be composite of 73mm carries out dedusting cleaning by diameter, and unload two ends protect button;
B, selection: choose the superhigh molecular weight polyethylene pipe that diameter is 81mm, carry out contraction with size reducing machine and make its undergauge to 72mm; Again the superhigh molecular weight polyethylene pipe after undergauge is cleaned; Size reducing machine roller size is followed successively by: 81mm, 80mm, 78mm, 76mm, 74mm, 72mm;
C, compound: superhigh molecular weight polyethylene pipe b step obtained to be inserted immediately in the obtained steel pipe of a step and put into composite dies machine and carries out compound;
D, destressing: composite pipe step c obtained is placed 24 hours recovery stress, polyethylene pipe resilience and steel pipe inner walls and fitted tightly, then is inserted in heating cabinet, at 7 ~ 90 DEG C of temperature constant temperature destressing sizing in 3 hours and compound complete;
E, cut-to-length: the tube head at superhigh molecular weight polyethylene pipe two ends is retained by the composite pipe cut-to-length machine of Step d the 22mm growing steel pipe;
F, flange: it is identical with outer diameter of steel pipes to its external diameter to carry out flange after the two ends of superhigh molecular weight polyethylene pipe in step e are locally heated to 290 DEG C ~ 300 DEG C, 5 minutes, with flanger, this composite pipe box cupling thread screw on and-off machine is installed box cupling or helmet, gets product.
Embodiment 4
Ultra-high molecular weight polyethylene inner liner compound pipe process units of the present invention, by size reducing machine 1, composite dies machine 2 and flanger 3 are formed, the outlet of its size reducing machine 1 is provided with internal lining pipe conveying means 4 and is connected with washing machine 5 one import, another import of washing machine 5 is provided with steel pipe conveying means 6, the import that washing machine 5 is provided with internal lining pipe outlet 7 corresponding with composite dies machine 2 respectively with steel pipe outlet 8 is connected, composite dies machine 2, mounting table 9, heating cabinet 10, cut-to-length machine 11, flanger 3 is connected successively with box cupling thread screw on and-off machine 12, composite pipe transmitting set 13 is equipped with between adjacent device.Described composite pipe transmitting set 13 is any one in driving belt, gantry crane and fork truck.Described steel pipe conveying means 6 transmit in steel pipe or old oil pipe one or both, whole flow process adopts mechanized operation.Described heating cabinet 10 is provided with temperature-control adjustment device 14.
Fig. 1 is ultra-high molecular weight polyethylene inner liner compound pipe process units schematic flow sheet of the present invention, in production process, internal lining pipe is inputted from size reducing machine 1 import, steel pipe is directly inputted in washing machine, the two completes compound in composite dies machine, form inner liner compound pipe semi-finished product, heating cabinet rear inner lining pipe to be entered and steel pipe complete tight liner, by cut-to-length machine 11, the internal lining pipe at two ends is being reserved predetermined length, by unnecessary Partial Resection, then adopt flanger 3 and box cupling thread screw on and-off machine 12 that box cupling is installed at the two ends of internal lining pipe.
Superhigh molecular weight polyethylene pipe used in each embodiment in the present invention can select Heihe, Heilongjiang Province Hong Shuo new material Science and Technology Ltd. to produce; Tubing coupling from Daqing surmount Machinery Manufacturing Co., Ltd. produce; Oil pipe: from each oil recovery factory.
Claims (5)
1. ultra-high molecular weight polyethylene inner liner compound pipe production method, realizes through the following steps:
A, pretreatment: steel pipe to be composite is carried out dedusting cleaning, and unload two ends protect button;
B, selection: choose the superhigh molecular weight polyethylene pipe that diameter is greater than 3 ~ 9mm of a step pipe diameter, shrink its diameter of footpath to being less than pipe diameter 1 ~ 2mm;
C, compound: superhigh molecular weight polyethylene pipe b step obtained is inserted in the steel pipe of a step immediately;
D, destressing: the composite pipe that step c obtained is placed 22 ~ 26 hours recovery stress, polyethylene pipe resilience and steel pipe inner walls and fitted tightly, at 70 DEG C ~ 90 DEG C temperature constant temperature destressing sizing in 1.5 ~ 3 hours and compound complete;
E, cut-to-length: the tube head at the superhigh molecular weight polyethylene pipe two ends in the composite pipe of Step d is retained the 17 ~ 23mm growing steel pipe;
F, flange: after the two ends of superhigh molecular weight polyethylene pipe in step e are locally heated to 290 DEG C ~ 300 DEG C, 3 ~ 6 minutes, to carry out flange identical with outer diameter of steel pipes to its external diameter, this composite pipe installed box cupling or helmet, gets product.
2. ultra-high molecular weight polyethylene inner liner compound pipe production method as claimed in claim 1, is characterized in that oil pipe 20 ~ 23mm is all longer than at the superhigh molecular weight polyethylene pipe two ends in described step e.
3. ultra-high molecular weight polyethylene inner liner compound pipe process units, by size reducing machine (1), composite dies machine (2) and flanger (3) are formed, it is characterized in that the outlet of size reducing machine (1) is provided with internal lining pipe conveying means (4) and is connected with washing machine (5) import, washing machine (5) another import is provided with steel pipe conveying means (6), the import that washing machine (5) is provided with internal lining pipe outlet (7) corresponding with composite dies machine (2) respectively with steel pipe outlet (8) is connected, composite dies machine (2), mounting table (9), heating cabinet (10), cut-to-length machine (11), flanger (3) is connected successively with box cupling thread screw on and-off machine (12), composite pipe transmitting set (13) is equipped with between adjacent device.
4. ultra-high molecular weight polyethylene inner liner compound pipe process units as claimed in claim 3, is characterized in that described composite pipe transmitting set (13) is driving belt, any one in gantry crane and fork truck.
5. the ultra-high molecular weight polyethylene inner liner compound pipe process units as described in claim 3 or 4, is characterized in that described heating cabinet (10) is provided with temperature-control adjustment device (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510009282.6A CN104534193B (en) | 2015-01-09 | 2015-01-09 | Ultra-high molecular weight polyethylene inner liner compound pipe production method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510009282.6A CN104534193B (en) | 2015-01-09 | 2015-01-09 | Ultra-high molecular weight polyethylene inner liner compound pipe production method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104534193A true CN104534193A (en) | 2015-04-22 |
| CN104534193B CN104534193B (en) | 2016-08-24 |
Family
ID=52849779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510009282.6A Active CN104534193B (en) | 2015-01-09 | 2015-01-09 | Ultra-high molecular weight polyethylene inner liner compound pipe production method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104534193B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107791503A (en) * | 2016-08-31 | 2018-03-13 | 中国石油天然气股份有限公司 | A kind of flanging die |
| CN108582759A (en) * | 2018-04-09 | 2018-09-28 | 西安奥宏石化安装工程有限责任公司 | A kind of processing method of ultra-high molecular weight polyethylene liner oil pipe |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5290498A (en) * | 1991-04-03 | 1994-03-01 | Mitsui Petrochemical Industries, Ltd. | Ultra-high molecular weight polyethylene thin-wall pipe, and method of and apparatus for manufacturing the same |
| WO2000031458A1 (en) * | 1998-11-24 | 2000-06-02 | Mainetti Technology Limited | Pipe liner and pipe lining method |
| CN1799834A (en) * | 2005-12-15 | 2006-07-12 | 江苏联冠科技发展有限公司 | Process for combining ultrahigh molecular weight polyethylene tubing and steel tube |
| CN1963278A (en) * | 2006-11-20 | 2007-05-16 | 山东东方管业有限公司 | Superhigh molecular polyethylene compound pipe and method for manufacturing same |
| CN101446373A (en) * | 2008-12-12 | 2009-06-03 | 煌盛集团有限公司 | Production method of composite tube lined with ultra-high molecular weight polyethylene tube |
| CN201531687U (en) * | 2009-10-23 | 2010-07-21 | 沂源县联创工贸有限公司 | Ultra-high molecular weight polyethylene composite pipe |
| CN103600503A (en) * | 2013-10-22 | 2014-02-26 | 王庆昭 | Production method and production system of ultrahigh molecular weight polyethylene compound oil pipe |
| CN204398350U (en) * | 2015-01-09 | 2015-06-17 | 大庆高新区法尔文得新材料有限公司 | The process units of ultra-high molecular weight polyethylene inner liner compound pipe |
-
2015
- 2015-01-09 CN CN201510009282.6A patent/CN104534193B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5290498A (en) * | 1991-04-03 | 1994-03-01 | Mitsui Petrochemical Industries, Ltd. | Ultra-high molecular weight polyethylene thin-wall pipe, and method of and apparatus for manufacturing the same |
| WO2000031458A1 (en) * | 1998-11-24 | 2000-06-02 | Mainetti Technology Limited | Pipe liner and pipe lining method |
| CN1799834A (en) * | 2005-12-15 | 2006-07-12 | 江苏联冠科技发展有限公司 | Process for combining ultrahigh molecular weight polyethylene tubing and steel tube |
| CN1963278A (en) * | 2006-11-20 | 2007-05-16 | 山东东方管业有限公司 | Superhigh molecular polyethylene compound pipe and method for manufacturing same |
| CN101446373A (en) * | 2008-12-12 | 2009-06-03 | 煌盛集团有限公司 | Production method of composite tube lined with ultra-high molecular weight polyethylene tube |
| CN201531687U (en) * | 2009-10-23 | 2010-07-21 | 沂源县联创工贸有限公司 | Ultra-high molecular weight polyethylene composite pipe |
| CN103600503A (en) * | 2013-10-22 | 2014-02-26 | 王庆昭 | Production method and production system of ultrahigh molecular weight polyethylene compound oil pipe |
| CN204398350U (en) * | 2015-01-09 | 2015-06-17 | 大庆高新区法尔文得新材料有限公司 | The process units of ultra-high molecular weight polyethylene inner liner compound pipe |
Non-Patent Citations (2)
| Title |
|---|
| 李波 等: "超高摩尔质量聚乙烯内衬复合管应用前景展望", 《塑料工业》 * |
| 谢芳: "超高分子量聚乙烯内衬复合管技术前景展望", 《石油石化节能》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107791503A (en) * | 2016-08-31 | 2018-03-13 | 中国石油天然气股份有限公司 | A kind of flanging die |
| CN107791503B (en) * | 2016-08-31 | 2019-10-11 | 中国石油天然气股份有限公司 | A kind of flanging die |
| CN108582759A (en) * | 2018-04-09 | 2018-09-28 | 西安奥宏石化安装工程有限责任公司 | A kind of processing method of ultra-high molecular weight polyethylene liner oil pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104534193B (en) | 2016-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103600503B (en) | Ultrahigh molecular weight polyethylene compound oil pipe production method | |
| CN103672211A (en) | Plastic-lined socket and spigot coast iron pipe and manufacturing process thereof | |
| CN104534193B (en) | Ultra-high molecular weight polyethylene inner liner compound pipe production method and device | |
| CN204398350U (en) | The process units of ultra-high molecular weight polyethylene inner liner compound pipe | |
| CN102773307B (en) | Forming process of parallel three-way connector | |
| CN102059801B (en) | Method for manufacturing steel lining ultrahigh molecular weight polyethylene by compression molding method | |
| CN102758972A (en) | Production process of external epoxy resin and internal polyethylene composite steel pipe for coal mine downhole | |
| CN104260249A (en) | Production process and cooler of special ultralarge-diameter rubber sealing ring for PCCP (Prestressed Concrete Cylinder Pipe) | |
| CN103591391B (en) | A kind of processing method of rubber combined steel pipe | |
| CN105195637B (en) | Bimetal composite pipe liquid expansion forming feeding device and process | |
| CN101551042B (en) | Sealed ceramic lining composite oil tube and manufacturing method thereof | |
| CN208408478U (en) | A kind of core mold component producing internal combustion engine water inlet bend pipe automatic demoulding | |
| CN104259269A (en) | Bending method for producing metal bent pipe | |
| CN204526158U (en) | A kind of end structure being applicable to electromagnetic induction heating plastic lining composite steel pipe | |
| CN204095011U (en) | The production technology cooler of the special super large caliber rubber seal of a kind of PCCP | |
| CN102729447A (en) | Polyethylene feed tube production line processing control method | |
| CN101497240A (en) | On-line composition method of steel-plastic composite tube | |
| CN204295992U (en) | A kind of plastic pipe production line waste heat recycling system | |
| CN208634618U (en) | A kind of low pressure admission pipeline pressing mold molding single-unit elbow | |
| CN203726251U (en) | Flared chip discharge pipe | |
| CN105508749A (en) | Crosslinked polyethylene lining composite pipe and production method thereof | |
| CN203254530U (en) | Automatic electromagnetic plasticator | |
| CN101172783A (en) | Device for glass inner-lining method for steel tube | |
| CN210911129U (en) | Novel oil pipe bending compensation die | |
| CN103506507A (en) | Cold machining device used for expanding pipes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |