CN105383053A - Novel outdoor water supply network construction method - Google Patents
Novel outdoor water supply network construction method Download PDFInfo
- Publication number
- CN105383053A CN105383053A CN201510643603.8A CN201510643603A CN105383053A CN 105383053 A CN105383053 A CN 105383053A CN 201510643603 A CN201510643603 A CN 201510643603A CN 105383053 A CN105383053 A CN 105383053A
- Authority
- CN
- China
- Prior art keywords
- pressure
- tubing
- time
- heating plate
- welding
- 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.)
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Classifications
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
- B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
- B29C66/02241—Cutting, e.g. by using waterjets, or sawing
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
Abstract
The invention discloses a novel outdoor water supply network construction method. A traditional cast iron water pipe is not sanitary, not resistant to pressing or corrosion, heavy, prone to scaling and short in service life. According to the novel outdoor water supply network construction method, the hot melting butt joint connection construction process and operation technology comprise the following steps that A, pipes to be connected are placed on a welding machine clamp and clamped; B, the to-be-connected ends of the pipes are cleaned, and the connecting faces are milled; C, two butt joint pieces are straightened, the misalignment quantity of the butt joint pieces is not larger than 10% of the wall thickness; D, a heating plate is placed for heating, and the heating plate is taken out after heating; E, two heating faces are rapidly connected, the welding pressure is reached through rising, and pressure maintaining cooling is carried out; and F, the heating plate temperature, the preheat pressure and time, the heat absorbing pressure and time, the heating plate taking-out time, the butt joint pressure and time, the cooling pressure and time and other welding technology parameters need to be strictly conducted. The construction method is applied to a novel outdoor water supply network.
Description
technical field:
the present invention relates to a kind of novel outdoor water supply network construction method.
background technology:
traditional cast iron water pipe is unhygienic, not withstand voltage, not corrosion-resistant, weight is large, easily fouling, service life are short, although the later stage with the addition of the use of many anticorrosive, oxidation resistant materials to tubing and serves certain effect in tubing, also the requirement of people to drinking water quality can not be met far away; People earnestly look forward to a kind of safety, health, have the appearance of the tubing of good promotion prospect.
summary of the invention:
the object of this invention is to provide a kind of novel outdoor water supply network construction method.
above-mentioned object is realized by following technical scheme:
a kind of novel outdoor water supply network construction method, described pipeline construction basic demand is: 1) feedwater piping adopts PE tubing, and pipe joint adopts the form of sweat soldering to connect; 2) tubing used of constructing should meet relevant standard, the valve that pipeline uses and connector, its pressure rating should lower than 1.5 of pipeline operating pressure times, described tubing hot-melt adhesive paste requires: 1) PE interface tube melting connection is inserted by electric hot plate between two tubing interfaces, the joint face of tubing is heated, heating plate is extracted out when the joint face of two tubing is heated to molten condition, certain pressure is applied to two tubing, make it the flange forming uniformity, namely welding is firm after cooling; 2) melting connection described in is generally divided into double teacher; Warm-up phase, endothermic phase, heating plate take out stage, docking stage, cooling stage, and heating-up temperature and pressure required for each stage and time should meet the regulation of hot-melt adhesive paste facility factory and tubing, pipe fitting factory; 3) when pipeline described in connects, the time required for operation such as its melting, docking, pressurization, cooling, must by process stipulation, with manual time-keeping; 4) described in pressurize cooling period, must not mobile link part or apply external force on connector; 5) work progress and the operating procedure of the melting connection described in are as follows: A, to be placed in by tubing to be connected on welding machine clamp and to clamp; B, clean tubing end to be connected milling joint face; C, alignment two interfacing part, make its magnitude of misalignment be not more than 10% of wall thickness; D, put into heater plate, heat complete, take out heating plate; E, rapidly joint two heating surfaces, be increased to welding pressure and pressurize cooling; F, temperature of heating plate, preheating pressure and time, heat absorption pressure and time, heating plate take-off time, the docking welding condition such as pressure and time, cooling pressure and time.
described novel outdoor water supply network construction method, the work progress of described melting connection and the concrete steps of operating procedure are: A, described be placed in by tubing to be connected on welding machine clamp and clamp: be and select butt welder by adopted caliber and the welding temperature that uses, and the fixture tube connector of required processing being put into welding machine clamps, B, described clean tubing end to be connected milling joint face: be the tube connector of required processing, on the fixture putting into welding machine after clamping, the end face of tubing and welding position are carried out cleaning and checks that whether two tubing welding end surface quality are intact, then need if you have questions end face to be carried out Milling Process, to ensure end face quality, C, described alignment two interfacing part, its magnitude of misalignment is made to be not more than 10% of wall thickness: to be and to carry out alignment docking by solid two tubing on weld jig, namely on fixture, it is made to contact the end face of two pipes, have a look at relative position and magnitude of misalignment, as two pipe external diameters and end face can well contact, level and smooth connection, then can weld, as contacted bad inconsistent phenomenon again, then need to revise it, the method revised is: rough end face is carried out Milling Process by first, and the second adjustment fixture makes the magnitude of misalignment of two pipes reduce, D, described puts into heater plate, heat complete, take out heating plate: be and will put into fixture, after adjustment and correction, two end surfaces of composite demand put into the heater plate supporting with fixture, heat by the technological requirement time, heat and complete heating plate to be taken away, fixture starts hydraulic system, make to slide end to slip away heating plate side, simultaneously by mobile for parallel for the heating plate sliding end to having left, make it to depart from opposite side pipe end, rapid extraction heating plate, start hydraulic system, end is slided in promotion, make two ends under the pressure of regulation, ride over together, E, described rapid joint two heating surface, be increased to welding pressure and pressurize cooling: be on fixture, by hydraulic system, two pipe ends ridden over together, uniform flange can be formed, when the even anti-limit that two pipes formation 1mm ~ 2mm are high, keep the pressure of pressing constant, to official hour, when joint is cooled to about 40 DEG C, lay down pressure, heat absorption starts, start timing, until it is complete to absorb heat, after being cooled to environment temperature, unclamp frame fixture, fech connection tubing, F, described temperature of heating plate, preheating pressure and time, heat absorption pressure and time, heating plate take-off time, the docking welding condition such as pressure and time, cooling pressure and time, all need strictly to be undertaken by technological procedure.
beneficial effect of the present invention:
1. polyethylene of the present invention (PE) feedwater piping is compared with traditional piping material, has health, light weight, withstand voltage, corrosion-resistant, non-scaling, resistance are little, connects the advantages such as long service life.
pE tube material of the present invention is nontoxic, non-corrosiveness, and uncalibrated visual servo can effectively improve ductwork water quality; The good capacity of the movement underground of PE pipe and the water hammer pressure of side welding point, loads and effectively resists, substantially increase the reliability of security and water supply.
pE feedwater proprietary material of the present invention has a great development, and in recent years, polythene material is that a major reason lacks early stage development, is not because their economy; But high-performance polyethylene pipe special material develops, and is that the advantage of PE pipe uses more and more, expand the application of PE pipeline.
pE pipe of the present invention has good elasticity and melting, is more convenient for laying, and uses more economical and safety and reliability.
detailed description of the invention:
embodiment 1:
a kind of novel outdoor water supply network construction method, described pipeline construction basic demand is: 1) feedwater piping adopts PE tubing, and pipe joint adopts the form of sweat soldering to connect; 2) tubing used of constructing should meet relevant standard, the valve that pipeline uses and connector, its pressure rating should lower than 1.5 of pipeline operating pressure times, described tubing hot-melt adhesive paste requires: 1) PE interface tube melting connection is inserted by electric hot plate between two tubing interfaces, the joint face of tubing is heated, heating plate is extracted out when the joint face of two tubing is heated to molten condition, certain pressure is applied to two tubing, make it the flange forming uniformity, namely welding is firm after cooling; 2) melting connection described in is generally divided into double teacher; Warm-up phase, endothermic phase, heating plate take out stage, docking stage, cooling stage, and heating-up temperature and pressure required for each stage and time should meet the regulation of hot-melt adhesive paste facility factory and tubing, pipe fitting factory; 3) when pipeline described in connects, the time required for operation such as its melting, docking, pressurization, cooling, must by process stipulation, with manual time-keeping; 4) described in pressurize cooling period, must not mobile link part or apply external force on connector; 5) work progress and the operating procedure of the melting connection described in are as follows: A, to be placed in by tubing to be connected on welding machine clamp and to clamp; B, clean tubing end to be connected milling joint face; C, alignment two interfacing part, make its magnitude of misalignment be not more than 10% of wall thickness; D, put into heater plate, heat complete, take out heating plate; E, rapidly joint two heating surfaces, be increased to welding pressure and pressurize cooling; F, temperature of heating plate, preheating pressure and time, heat absorption pressure and time, heating plate take-off time, the docking welding condition such as pressure and time, cooling pressure and time.
embodiment 2:
novel outdoor water supply network construction method according to embodiment 1, the work progress of described melting connection and the concrete steps of operating procedure are: A, described be placed in by tubing to be connected on welding machine clamp and clamp: be and select butt welder by adopted caliber and the welding temperature that uses, and the fixture tube connector of required processing being put into welding machine clamps, B, described clean tubing end to be connected milling joint face: be the tube connector of required processing, on the fixture putting into welding machine after clamping, the end face of tubing and welding position are carried out cleaning and checks that whether two tubing welding end surface quality are intact, then need if you have questions end face to be carried out Milling Process, to ensure end face quality, C, described alignment two interfacing part, its magnitude of misalignment is made to be not more than 10% of wall thickness: to be and to carry out alignment docking by solid two tubing on weld jig, namely on fixture, it is made to contact the end face of two pipes, have a look at relative position and magnitude of misalignment, as two pipe external diameters and end face can well contact, level and smooth connection, then can weld, as contacted bad inconsistent phenomenon again, then need to revise it, the method revised is: rough end face is carried out Milling Process by first, and the second adjustment fixture makes the magnitude of misalignment of two pipes reduce, D, described puts into heater plate, heat complete, take out heating plate: be and will put into fixture, after adjustment and correction, two end surfaces of composite demand put into the heater plate supporting with fixture, heat by the technological requirement time, heat and complete heating plate to be taken away, fixture starts hydraulic system, make to slide end to slip away heating plate side, simultaneously by mobile for parallel for the heating plate sliding end to having left, make it to depart from opposite side pipe end, rapid extraction heating plate, start hydraulic system, end is slided in promotion, make two ends under the pressure of regulation, ride over together, E, described rapid joint two heating surface, be increased to welding pressure and pressurize cooling: be on fixture, by hydraulic system, two pipe ends ridden over together, uniform flange can be formed, when the even anti-limit that two pipes formation 1mm ~ 2mm are high, keep the pressure of pressing constant, to official hour, when joint is cooled to about 40 DEG C, lay down pressure, heat absorption starts, start timing, until it is complete to absorb heat, after being cooled to environment temperature, unclamp frame fixture, fech connection tubing, F, described temperature of heating plate, preheating pressure and time, heat absorption pressure and time, heating plate take-off time, the docking welding condition such as pressure and time, cooling pressure and time, all need strictly to be undertaken by technological procedure.
Claims (2)
1. a novel outdoor water supply network construction method, is characterized in that: described pipeline construction basic demand is: 1) feedwater piping adopts PE tubing, and pipe joint adopts the form of sweat soldering to connect; 2) tubing used of constructing should meet relevant standard, the valve that pipeline uses and connector, its pressure rating should lower than 1.5 of pipeline operating pressure times, described tubing hot-melt adhesive paste requires: 1) PE interface tube melting connection is inserted by electric hot plate between two tubing interfaces, the joint face of tubing is heated, heating plate is extracted out when the joint face of two tubing is heated to molten condition, certain pressure is applied to two tubing, make it the flange forming uniformity, namely welding is firm after cooling; 2) melting connection described in is generally divided into double teacher; Warm-up phase, endothermic phase, heating plate take out stage, docking stage, cooling stage, and heating-up temperature and pressure required for each stage and time should meet the regulation of hot-melt adhesive paste facility factory and tubing, pipe fitting factory; 3) when pipeline described in connects, the time required for operation such as its melting, docking, pressurization, cooling, must by process stipulation, with manual time-keeping; 4) described in pressurize cooling period, must not mobile link part or apply external force on connector; 5) work progress and the operating procedure of the melting connection described in are as follows: A, to be placed in by tubing to be connected on welding machine clamp and to clamp; B, clean tubing end to be connected milling joint face; C, alignment two interfacing part, make its magnitude of misalignment be not more than 10% of wall thickness; D, put into heater plate, heat complete, take out heating plate; E, rapidly joint two heating surfaces, be increased to welding pressure and pressurize cooling; F, temperature of heating plate, preheating pressure and time, heat absorption pressure and time, heating plate take-off time, the docking welding condition such as pressure and time, cooling pressure and time.
2. novel outdoor water supply network construction method according to claim 1, it is characterized in that: the work progress of described melting connection and the concrete steps of operating procedure are: A, described be placed in by tubing to be connected on welding machine clamp and clamp: be and select butt welder by adopted caliber and the welding temperature that uses, and the fixture tube connector of required processing being put into welding machine clamps, B, described clean tubing end to be connected milling joint face: be the tube connector of required processing, on the fixture putting into welding machine after clamping, the end face of tubing and welding position are carried out cleaning and checks that whether two tubing welding end surface quality are intact, then need if you have questions end face to be carried out Milling Process, to ensure end face quality, C, described alignment two interfacing part, its magnitude of misalignment is made to be not more than 10% of wall thickness: to be and to carry out alignment docking by solid two tubing on weld jig, namely on fixture, it is made to contact the end face of two pipes, have a look at relative position and magnitude of misalignment, as two pipe external diameters and end face can well contact, level and smooth connection, then can weld, as contacted bad inconsistent phenomenon again, then need to revise it, the method revised is: rough end face is carried out Milling Process by first, and the second adjustment fixture makes the magnitude of misalignment of two pipes reduce, D, described puts into heater plate, heat complete, take out heating plate: be and will put into fixture, after adjustment and correction, two end surfaces of composite demand put into the heater plate supporting with fixture, heat by the technological requirement time, heat and complete heating plate to be taken away, fixture starts hydraulic system, make to slide end to slip away heating plate side, simultaneously by mobile for parallel for the heating plate sliding end to having left, make it to depart from opposite side pipe end, rapid extraction heating plate, start hydraulic system, end is slided in promotion, make two ends under the pressure of regulation, ride over together, E, described rapid joint two heating surface, be increased to welding pressure and pressurize cooling: be on fixture, by hydraulic system, two pipe ends ridden over together, uniform flange can be formed, when the even anti-limit that two pipes formation 1mm ~ 2mm are high, keep the pressure of pressing constant, to official hour, when joint is cooled to about 40 DEG C, lay down pressure, heat absorption starts, start timing, until it is complete to absorb heat, after being cooled to environment temperature, unclamp frame fixture, fech connection tubing, F, described temperature of heating plate, preheating pressure and time, heat absorption pressure and time, heating plate take-off time, the docking welding condition such as pressure and time, cooling pressure and time, all need strictly to be undertaken by technological procedure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510643603.8A CN105383053A (en) | 2015-10-08 | 2015-10-08 | Novel outdoor water supply network construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510643603.8A CN105383053A (en) | 2015-10-08 | 2015-10-08 | Novel outdoor water supply network construction method |
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| Publication Number | Publication Date |
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| CN105383053A true CN105383053A (en) | 2016-03-09 |
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| CN201510643603.8A Pending CN105383053A (en) | 2015-10-08 | 2015-10-08 | Novel outdoor water supply network construction method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112091462A (en) * | 2020-08-24 | 2020-12-18 | 河北通涛管业集团股份有限公司 | Pipe axial plate type integrated welding process |
| CN112848329A (en) * | 2020-12-24 | 2021-05-28 | 天津京通管道科技股份有限公司 | Connecting method of composite pipes |
| CN114248450A (en) * | 2021-11-24 | 2022-03-29 | 一道新能源科技(衢州)有限公司 | Telescopic injection molding buoy welding device and optimization method |
-
2015
- 2015-10-08 CN CN201510643603.8A patent/CN105383053A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112091462A (en) * | 2020-08-24 | 2020-12-18 | 河北通涛管业集团股份有限公司 | Pipe axial plate type integrated welding process |
| CN112848329A (en) * | 2020-12-24 | 2021-05-28 | 天津京通管道科技股份有限公司 | Connecting method of composite pipes |
| CN114248450A (en) * | 2021-11-24 | 2022-03-29 | 一道新能源科技(衢州)有限公司 | Telescopic injection molding buoy welding device and optimization method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160309 |