CN105751543A - Production technology of steel band-enhanced polyethylene screw corrugated pipe - Google Patents
Production technology of steel band-enhanced polyethylene screw corrugated pipe Download PDFInfo
- Publication number
- CN105751543A CN105751543A CN201610108487.4A CN201610108487A CN105751543A CN 105751543 A CN105751543 A CN 105751543A CN 201610108487 A CN201610108487 A CN 201610108487A CN 105751543 A CN105751543 A CN 105751543A
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- Prior art keywords
- steel band
- band
- pipe
- production technology
- coated
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D24/00—Producing articles with hollow walls
- B29D24/002—Producing articles with hollow walls formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled
- B29D24/008—Producing articles with hollow walls formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled the structure having hollow ridges, ribs or cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
- B29C2035/1616—Cooling using liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
- B29C2035/1658—Cooling using gas
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a production technology of a steel band-enhanced polyethylene screw corrugated pipe. The technology comprises the following steps: (1) inspecting raw materials; (2) carrying out plastic coating treatment on a steel band; (3) carrying out forming bending treatment on the steel band subjected to plastic coating treatment in the step (2), wherein the bent shape is a V shape; (4) winding a sheet extruded from dried polyethylene resin to form a core layer band, winding the steel band formed and bent in the step (3) on the core layer band according to preset screw pitches, covering the steel band with a polyethylene resin layer through extrusion to form an outer layer band, and finishing bonding and compounding of the core layer band and the plastic-coated steel band, and the plastic-coated steel band and the outer layer belt by a thermal fusion welding technology to form a pipe tube with an overall structure; and (5) carrying out length-measuring cutting after cooling and sizing and warehousing the product after qualified inspection. According to the production technology, by reasonably controlling the production process and reasonably setting parameters, the produced pipe can be spliced firmly and the layering problem is solved.
Description
Technical field
The present invention relates to the production technology of a kind of steel band reinforced polyethylene spiral ripple pipe, belong to steel band reinforced polyethylene spiral ripple pipe field.
Background technology
Steel band reinforced polyethylene spiral ripple pipe is a kind of novel grog buried drain pipe, it uses steel tape to be spirally wound between the polyethylene of inside and outside two-layer thermal welding after being pressed into the approximate V-type in cross section, pliable and tough, the corrosion resistant of the high rigidity of steel, high intensity and polyethylene, wear-resisting combines.
Existing production technology, owing to lacking process control, or in production process, parameter arranges unreasonable, cause tube forming difficulty and be easily broken, bonding loosely, it is easy to produce lamination problem, there is certain potential safety hazard when installing and use.
Summary of the invention
The technical problem to be solved in the present invention is: provide the production technology of a kind of steel band reinforced polyethylene spiral ripple pipe, and production process conservative control and parameter are carried out reasonable set so that the tubing produced is bonding firm, does not produce lamination problem.
It is an object of the invention to be achieved through the following technical solutions:
A kind of production technology of steel band reinforced polyethylene spiral ripple pipe, the production technology of a kind of steel band reinforced polyethylene spiral ripple pipe, it is characterised in that: comprise the following steps:
(1) raw material is tested, test including to steel band, polyvinyl resin and adhering resin；
(2) steel band is carried out plastic-coated process, adhering resin is coated uniformly on the surface of steel band；
(3) steel band processed through plastic-coated in step (2) being shaped bending process, curved shape is in the shape of the letter V；
(4) sheet material extruded by the polyvinyl resin through super-dry is through being wrapped in formation sandwich layer band, to step (3) be wrapped on sandwich layer band through the steel band of overmolding bending according to predetermined pitch, formation outer layer band on steel band is covered at extrusion layer of polyethylene resin, utilize thermal welding technology, complete the bonding compound of sandwich layer band and plastic-coated steel band and plastic-coated steel band and outer layer band, form each integrally-built tube wall；
(5) after cooling and shaping, the long cutting of meter, put in storage after the assay was approved.
Further, in described step (1), to the examination requirements of polyvinyl resin it is: polyvinyl resin content is more than 80%, and melt flow rate is 0.1 ~ 0.5g/10min(5KG, when 190 DEG C), during oxidation induction time >=20min(200 DEG C).
Further, the inspection of steel band including in described step (1) steel strip surface conditions dictate and steel band performance requirement, steel strip surface conditions dictate is: rustless, non-scale and dirt, surfacing；Steel band performance requirement is: yield strength≤210, percentage elongation >=38%, and tensile strength is 270 ~ 350MPa.
Further, in described step (4), sandwich layer temperature≤210 DEG C with outlet mold, the outer layer temperature with outlet mold is 220 ~ 240 DEG C.
Further, after in described step (2), adhering resin is coated in steel band, the steel band of plastic-coated needs to carry out cooling process, and first cooling process carries out air-cooled, then carries out water-cooled.
When carrying out air-cooled, air cooling equipment is adopted to include casing, the left and right both ends of the surface of casing are respectively arranged with steel band import and export, casing is provided with least one set blast pipe, often group blast pipe includes upper blast pipe and lower blast pipe, and upper blast pipe is positioned at the top of casing, and lower blast pipe is positioned at body side upper position place, upper blast pipe and lower blast pipe are connected to aerator respectively through pipeline, are provided with air outlet on the side of casing.
When carrying out water-cooled, the water cooling plant adopted is water-saving type chiller, including including tank and water inlet pipe, the inner chamber of described tank is separated into a cooling room and multiple overflow chamber by dividing plate, the height of described dividing plate is lower than the cavity heights of tank, described water inlet pipe one end is arranged on the bottom of described cooling room, the other end is arranged on inside cistern, water inlet pipe is provided with water pump, the bottom of overflow chamber is provided with drain pipe, the outlet of drain pipe is arranged on above cistern, the water inlet pipe of pump outlet is provided with arm, the end of arm is provided with two or more nozzle, described nozzle is towards steel band.
Compared with prior art, beneficial effects of the present invention is as follows:
1, the present invention is to by carrying out reasonable set to production process conservative control and parameter so that the tubing produced is bonding firm, does not produce lamination problem；
2, the present invention is when Clad Steel band cools down, plastic-coated steel band passes sequentially through the steel band at the left and right two ends of casing and imports and exports and be among motion continuously, the wind that aerator bloats is blown in casing by upper blast pipe and lower blast pipe simultaneously, air in casing is blown out by air outlet, box house is made to form cross-ventilation, and upper blast pipe directly blows to the upper surface of plastic-coated steel band, serve good cooling effect when Clad Steel band is by box house, improve cooling effectiveness；
3, the present invention is when cooling down Clad Steel band, water in cistern is evacuated in the cooling room of tank by water pump, and the water in cooling room overflows to flow to afterwards in overflow chamber and flows back in cistern finally by drain pipe, plays recycling of cooling water, saving water resource, reduces cooling cost.It addition, cooling room adopts the mode of bottom water inlet, also adopt arm to carry out injection cooling so that in cooling room, water forms convection current, enhances cooling effect simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of steel band reinforced polyethylene spiral ripple pipe；
Fig. 2 is A place enlarged drawing in Fig. 1；
Fig. 3 is heretofore described air cooling equipment；
Fig. 4 is heretofore described water-cooling radiator cooler；
Description of reference numerals: 1-plastic-coated steel band；2-sandwich layer band；3-outer layer band；4-casing；5-steel band is imported and exported；6-upper blast pipe；7-lower blast pipe；8-aerator；9-air outlet；10-guide roller；11-tank；12-water inlet pipe；13-dividing plate；14-overflow chamber；15-cools down room；16-cistern；17-water pump；18-drain pipe；19-arm；20-nozzle.
Detailed description of the invention
Below in conjunction with specific embodiment, invention is described further:
A kind of production technology of steel band reinforced polyethylene spiral ripple pipe, it is characterised in that: comprise the following steps:
(1) raw material is tested, test including to steel band, polyvinyl resin and adhering resin；
(2) steel band is carried out plastic-coated process, adhering resin is coated uniformly on the surface of steel band；
(3) steel band processed through plastic-coated in step (2) being shaped bending process, curved shape is in the shape of the letter V；
(4) sheet material extruded by the polyvinyl resin through super-dry is through being wrapped in formation sandwich layer band, to step (3) be wrapped on sandwich layer band through the steel band of overmolding bending according to predetermined pitch, formation outer layer band on steel band is covered at extrusion layer of polyethylene resin, utilize thermal welding technology, complete the bonding compound of sandwich layer band and plastic-coated steel band and plastic-coated steel band and outer layer band, form each integrally-built tube wall；
(5) after cooling and shaping, the long cutting of meter, put in storage after the assay was approved.
In described step (1), to the examination requirements of polyvinyl resin it is: polyvinyl resin content is more than 80%, and melt flow rate is 0.1 ~ 0.5g/10min(5KG, when 190 DEG C), during oxidation induction time >=20min(200 DEG C).
The inspection of steel band includes in described step (1) steel strip surface conditions dictate and steel band performance requirement, and steel strip surface conditions dictate is: rustless, non-scale and dirt, surfacing；Steel band performance requirement is: yield strength≤210, percentage elongation >=38%, and tensile strength is 270 ~ 350MPa.
Described step (4) center core layer temperature≤210 DEG C with outlet mold, the outer layer temperature with outlet mold is 220 ~ 240 DEG C.
In the present embodiment, after in described step (2), adhering resin is coated in steel band, the steel band of plastic-coated needs to carry out cooling process, and first cooling process carries out air-cooled, then carries out water-cooled.
When carrying out air-cooled, air cooling equipment is adopted to include casing 4, the left and right both ends of the surface of casing 4 are respectively arranged with steel band and import and export 5, import and export 5 places at steel band and be provided with guide roller 10, casing 4 is provided with least one set blast pipe, often group blast pipe includes upper blast pipe 6 and lower blast pipe 7, upper blast pipe 6 is positioned at the top of casing 4, lower blast pipe 7 is positioned at upper position place, casing 4 side, upper blast pipe 6 and lower blast pipe 7 are connected to aerator 8 respectively through pipeline, are provided with air outlet 9 on the side of casing 4.
When carrying out water-cooled, the water cooling plant adopted is water-saving type chiller, including tank 11 and water inlet pipe 12, the inner chamber of described tank 11 is separated into a cooling room 15 and multiple overflow chamber 14 by dividing plate 13, the height of described dividing plate 13 is lower than the cavity heights of tank 11, described water inlet pipe 12 one end is arranged on the bottom of described cooling room 15, it is internal that the other end is arranged on cistern 16, water inlet pipe 12 is provided with water pump 17, the bottom of overflow chamber 14 is provided with drain pipe 18, the outlet of drain pipe 18 is arranged on above cistern 16, the water inlet pipe 12 in water pump 17 exit is provided with arm 19, the end of arm 19 is provided with two or more nozzle 20, described nozzle 20 is towards plastic-coated steel band 1.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, it is impossible to assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace, protection scope of the present invention all should be considered as belonging to.
Claims (7)
1. the production technology of a steel band reinforced polyethylene spiral ripple pipe, it is characterised in that: comprise the following steps:
(1) raw material is tested, test including to steel band, polyvinyl resin and adhering resin；
(2) steel band is carried out plastic-coated process, adhering resin is coated uniformly on the surface of steel band；
(3) steel band processed through plastic-coated in step (2) being shaped bending process, curved shape is in the shape of the letter V；
(4) sheet material extruded by the polyvinyl resin through super-dry is through being wrapped in formation sandwich layer band, to step (3) be wrapped on sandwich layer band through the steel band of overmolding bending according to predetermined pitch, formation outer layer band on steel band is covered at extrusion layer of polyethylene resin, utilize thermal welding technology, complete the bonding compound of sandwich layer band and plastic-coated steel band and plastic-coated steel band and outer layer band, form each integrally-built tube wall；
(5) after cooling and shaping, the long cutting of meter, put in storage after the assay was approved.
2. the production technology of a kind of steel band reinforced polyethylene spiral ripple pipe according to claim 1, it is characterized in that: in described step (1), to the examination requirements of polyvinyl resin it is: polyvinyl resin content is more than 80%, melt flow rate is 0.1 ~ 0.5g/10min(5KG, when 190 DEG C), during oxidation induction time >=20min(200 DEG C).
3. the production technology of a kind of steel band reinforced polyethylene spiral ripple pipe according to claim 1, it is characterized in that: the inspection of steel band is included steel strip surface conditions dictate and steel band performance requirement by described step (1), steel strip surface conditions dictate is: rustless, non-scale and dirt, surfacing；Steel band performance requirement is: yield strength≤210, percentage elongation >=38%, and tensile strength is 270 ~ 350MPa.
4. the production technology of a kind of steel band reinforced polyethylene spiral ripple pipe according to claim 1, it is characterised in that: in described step (4), sandwich layer temperature≤210 DEG C with outlet mold, the outer layer temperature with outlet mold is 220 ~ 240 DEG C.
5. the production technology of a kind of steel band reinforced polyethylene spiral ripple pipe according to claim 1, it is characterized in that: after in described step (2), adhering resin is coated in steel band, the steel band of plastic-coated needs to carry out cooling process, and first cooling process carries out air-cooled, then carries out water-cooled.
6. the production technology of a kind of steel band reinforced polyethylene spiral ripple pipe according to claim 5, it is characterized in that: when carrying out air-cooled, air cooling equipment is adopted to include casing, the left and right both ends of the surface of casing are respectively arranged with steel band import and export, casing is provided with least one set blast pipe, often group blast pipe includes upper blast pipe and lower blast pipe, upper blast pipe is positioned at the top of casing, lower blast pipe is positioned at body side upper position place, upper blast pipe and lower blast pipe are connected to aerator respectively through pipeline, are provided with air outlet on the side of casing.
7. the production technology of a kind of steel band reinforced polyethylene spiral ripple pipe according to claim 5, it is characterized in that: when carrying out water-cooled, the water cooling plant adopted is water-saving type chiller, including tank and water inlet pipe, the inner chamber of described tank is separated into a cooling room and multiple overflow chamber by dividing plate, the height of described dividing plate is lower than the cavity heights of tank, described water inlet pipe one end is arranged on the bottom of described cooling room, the other end is arranged on inside cistern, water inlet pipe is provided with water pump, the bottom of overflow chamber is provided with drain pipe, the outlet of drain pipe is arranged on above cistern, the water inlet pipe of pump outlet is provided with arm, the end of arm is provided with two or more nozzle, described nozzle is towards steel band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610108487.4A CN105751543A (en) | 2016-02-29 | 2016-02-29 | Production technology of steel band-enhanced polyethylene screw corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610108487.4A CN105751543A (en) | 2016-02-29 | 2016-02-29 | Production technology of steel band-enhanced polyethylene screw corrugated pipe |
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| Publication Number | Publication Date |
|---|---|
| CN105751543A true CN105751543A (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610108487.4A Pending CN105751543A (en) | 2016-02-29 | 2016-02-29 | Production technology of steel band-enhanced polyethylene screw corrugated pipe |
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| CN (1) | CN105751543A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106313364A (en) * | 2016-08-30 | 2017-01-11 | 安徽省中阳管业有限公司 | Plastic coating method for helical polyethylene corrugated pipe |
| CN110090876A (en) * | 2019-04-25 | 2019-08-06 | 四川兰晨管业有限公司 | A kind of production system of steel band bellows |
| CN110142815A (en) * | 2019-05-30 | 2019-08-20 | 浙江宏途电气科技有限公司 | A kind of ripple pipe manufacturing method |
| CN112549490A (en) * | 2020-10-23 | 2021-03-26 | 湖北屯仓管业科技发展有限公司 | Pretreatment method and pretreatment system for steel strip for corrugated pipe |
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| CN102335986A (en) * | 2011-07-22 | 2012-02-01 | 苏州天加新材料有限公司 | Online wind cooling device for cross-linking machine |
| CN103434157A (en) * | 2013-08-22 | 2013-12-11 | 天津盛象塑料管业有限公司 | Production method for high-rigidity steel strip reinforced polyethylene helical bellows |
| CN104553152A (en) * | 2014-12-31 | 2015-04-29 | 广州鹿山新材料股份有限公司 | Novel anti-corrosion steel belt and preparation method thereof |
| CN104842540A (en) * | 2015-04-08 | 2015-08-19 | 东莞市汇如涞电能科技有限公司 | Automatic cooling traction equipment for plastic extruded strip |
-
2016
- 2016-02-29 CN CN201610108487.4A patent/CN105751543A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102335986A (en) * | 2011-07-22 | 2012-02-01 | 苏州天加新材料有限公司 | Online wind cooling device for cross-linking machine |
| CN103434157A (en) * | 2013-08-22 | 2013-12-11 | 天津盛象塑料管业有限公司 | Production method for high-rigidity steel strip reinforced polyethylene helical bellows |
| CN104553152A (en) * | 2014-12-31 | 2015-04-29 | 广州鹿山新材料股份有限公司 | Novel anti-corrosion steel belt and preparation method thereof |
| CN104842540A (en) * | 2015-04-08 | 2015-08-19 | 东莞市汇如涞电能科技有限公司 | Automatic cooling traction equipment for plastic extruded strip |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106313364A (en) * | 2016-08-30 | 2017-01-11 | 安徽省中阳管业有限公司 | Plastic coating method for helical polyethylene corrugated pipe |
| CN110090876A (en) * | 2019-04-25 | 2019-08-06 | 四川兰晨管业有限公司 | A kind of production system of steel band bellows |
| CN110142815A (en) * | 2019-05-30 | 2019-08-20 | 浙江宏途电气科技有限公司 | A kind of ripple pipe manufacturing method |
| CN110142815B (en) * | 2019-05-30 | 2021-08-17 | 汕头市高邦电子科技有限公司 | Corrugated pipe manufacturing method |
| CN112549490A (en) * | 2020-10-23 | 2021-03-26 | 湖北屯仓管业科技发展有限公司 | Pretreatment method and pretreatment system for steel strip for corrugated pipe |
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| PB01 | Publication | ||
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Application publication date: 20160713 |