阅读说明：本技术 一种防腐耐热性水暖管的制造方法 (Method for manufacturing anti-corrosion heat-resistant water heating pipe ) 是由 杨毫 于 2021-10-14 设计创作，主要内容包括：本发明属于水暖管制造方法技术领域,尤其为一种一种防腐耐热性水暖管,所述水暖管包括螺纹对接端口、水暖管体、防腐涂层和控制阀。本发明通过将交联聚乙烯添加适量的助剂,通过使用交联剂在高温高压下,在聚乙烯的长分子链间产生化学键,实现化学交联,使之成为三维网状大分子结构的管料从来提高整个水暖管的耐高温和低温性能,再者就是通过这种制造方法,简化了很多专业化操作步骤,使得对操作者技术的要求大幅度下降,从而方便大规模的生产所需。(The invention belongs to the technical field of manufacturing methods of water heating pipes, and particularly relates to an anti-corrosion heat-resistant water heating pipe. The invention adds proper amount of auxiliary agent into the cross-linked polyethylene, and uses cross-linking agent to generate chemical bond between long molecular chains of polyethylene under high temperature and high pressure, so as to realize chemical cross-linking, and make the cross-linked polyethylene become a pipe material with three-dimensional network macromolecular structure, so as to improve the high temperature resistance and low temperature resistance of the whole water heating pipe.)

1. An anticorrosive heat resistance water heating pipe which characterized in that: the water heating pipe comprises a threaded butt joint port, a water heating pipe body, an anti-corrosion coating and a control valve.

2. A method for manufacturing an anti-corrosion heat-resistant water heating pipe according to claim 1, comprising the steps of:

s1, introducing the vinyl chloride homopolymer and the vinyl chloride copolymer into the melting furnace, adjusting the temperature of the melting furnace to 500-700 ℃, and keeping the melting furnace working for 30 min;

s2, putting the ultraviolet resistant agent, the catalyst, the antistatic agent, the acid-base neutralizer, the adhesive, the crosslinked polyethylene, the thickening agent and the catalyst into a stirrer together, and stirring uniformly to obtain a mixed solution;

s3, putting the solution obtained in the step S1 into a containing container, introducing the mixed solution prepared in the step S2 when the temperature is reduced to a point close to a melting point, stirring the mixed solution for 10min through a corresponding stirring device, and immediately pouring the mixed solution into a mold to obtain a prototype of a water heating pipe body;

s4, removing the die, and then performing post-processing on the formed water heating pipe body, namely performing a threading operation on the end part of the water heating pipe body, specifically moving the formed water heating pipe body to an external thread cutting device, and then finishing cutting to obtain a thread butt joint port;

s5, carrying out next-step hole forming design on the water heating pipe body with the threaded butt joint port, using a corresponding hole forming machine to carry out hole forming, and installing the control valve and the corresponding hole forming position after hole forming is finished;

s6, moving the water heating pipe body provided with the control valve to a paint spraying device, spraying an anti-corrosion coating on the outer surface of the water heating pipe body, and finally drying to obtain the anti-corrosion heat-resistant water heating pipe.

3. The method of manufacturing an anticorrosive heat-resistant water heating pipe according to claim 1, characterized in that: the adhesive in the S2 is one of a polyurethane adhesive, a silica gel adhesive, a PP adhesive, a phenolic resin adhesive, an acrylic adhesive, a flame-retardant adhesive, an instant adhesive and a super-strong adhesive.

4. The method of manufacturing an anticorrosive heat-resistant water heating pipe according to claim 2, characterized in that: the catalyst in the S2 is one or more of a solid acid catalyst, an organic base catalyst, a metal oxide catalyst, a complex catalyst, a rare earth catalyst, a molecular sieve catalyst, a biocatalyst and a nano catalyst.

5. The method of manufacturing an anticorrosive heat-resistant water heating pipe according to claim 2, characterized in that: adopt corresponding heat sink to its rapid cooling in the middle of the mould work in S3, and need carry out the fat liquoring to the inner wall before the mould watering.

6. The method of manufacturing an anticorrosive heat-resistant water heating pipe according to claim 2, characterized in that: the cutting step in S4 requires that a corresponding clamp is equipped, and the rotation of the water heating pipe body is completed in the cutting process.

7. The method of manufacturing an anticorrosive heat-resistant water heating pipe according to claim 2, characterized in that: and the drying mode in the S6 adopts air cooling or natural drying, and the two ends of the water heating pipe can be fixed only in the drying process.

Technical Field

The invention relates to the technical field of manufacturing methods of water heating pipes, in particular to a manufacturing method of an anti-corrosion heat-resistant water heating pipe.

Background

The water heating is one of floor radiation heating, is the most popular heating mode at present, and has the advantages compared with electric heating. The water heating is realized by uniformly heating the whole ground through a ground coil pipe and hot water which circularly flows in the pipeline and a heating medium in a floor radiation layer, and conducting from bottom to top by utilizing the self heat storage and heat upward radiation rule of the ground so as to achieve the purpose of heating. Because the temperature gradient gradually decreased from the sole to the head is formed in the room, the comfortable feeling of warming the foot and cooling the head is provided for people. The ground radiation heating conforms to the body-building theory of 'warm feet and cool top' in traditional Chinese medicine, is the most comfortable heating mode at present, and is also a symbol of modern life quality. However, the manufactured water heating pipe has single functionality, hardly meets the corrosion and heat resistance functions, has a complex overall manufacturing method and high technical requirements for manufacturers, and often needs to engage professionals for guidance, so that the yield of the water heating pipe is greatly reduced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a manufacturing method of an anticorrosion heat-resistant water heating pipe, which solves the problems that the water heating pipe has single functionality, is difficult to meet the anticorrosion heat-resistant function, has too complex manufacturing method and has high technical requirements for manufacturers.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an anti-corrosion heat-resistant water heating pipe comprises a threaded butt joint port, a water heating pipe body, an anti-corrosion coating and a control valve.

The invention also provides a manufacturing method of the anti-corrosion heat-resistant water heating pipe, which comprises the following steps:

s1, introducing the vinyl chloride homopolymer and the vinyl chloride copolymer into the melting furnace, adjusting the temperature of the melting furnace to 500-700 ℃, and keeping the melting furnace working for 30 min;

s2, putting the ultraviolet resistant agent, the catalyst, the antistatic agent, the acid-base neutralizer, the adhesive, the crosslinked polyethylene, the thickening agent and the catalyst into a stirrer together, and stirring uniformly to obtain a mixed solution;

s3, putting the solution obtained in the step S1 into a containing container, introducing the mixed solution prepared in the step S2 when the temperature is reduced to a point close to a melting point, stirring the mixed solution for 10min through a corresponding stirring device, and immediately pouring the mixed solution into a mold to obtain a prototype of a water heating pipe body;

s4, removing the die, and then performing post-processing on the formed water heating pipe body, namely performing a threading operation on the end part of the water heating pipe body, specifically moving the formed water heating pipe body to an external thread cutting device, and then finishing cutting to obtain a thread butt joint port;

s5, carrying out next-step hole forming design on the water heating pipe body with the threaded butt joint port, using a corresponding hole forming machine to carry out hole forming, and installing the control valve and the corresponding hole forming position after hole forming is finished;

s6, moving the water heating pipe body provided with the control valve to a paint spraying device, spraying an anti-corrosion coating on the outer surface of the water heating pipe body, and finally drying to obtain the anti-corrosion heat-resistant water heating pipe.

As a preferred technical scheme of the present invention, the adhesive in S2 is one of a polyurethane adhesive, a silica gel adhesive, a PP adhesive, a phenolic resin adhesive, an acrylic adhesive, a flame retardant adhesive, an instant adhesive, and a super strong adhesive.

As a preferred technical solution of the present invention, the catalyst in S2 is one or more of a solid acid catalyst, an organic base catalyst, a metal oxide catalyst, a complex catalyst, a rare earth catalyst, a molecular sieve catalyst, a biocatalyst, and a nanocatalyst.

As a preferred technical solution of the present invention, in the S3 process, a corresponding cooling device is used to cool the mold rapidly, and before the mold is poured, the inner wall needs to be oiled.

As a preferred embodiment of the present invention, the cutting step in S4 requires a corresponding fixture, and the rotation of the water heating pipe body is completed during the cutting process.

As a preferred technical scheme of the present invention, in S6, the drying manner is air cooling or natural drying, and only two ends of the water heating pipe can be fixed during the drying process.

(III) advantageous effects

Compared with the prior art, the invention provides a manufacturing method of an anti-corrosion heat-resistant water heating pipe, which has the following beneficial effects:

according to the manufacturing method of the anticorrosion heat-resistant water heating pipe, a proper amount of auxiliary agent is added into crosslinked polyethylene, chemical bonds are generated among long molecular chains of the polyethylene under high temperature and high pressure by using a crosslinking agent, chemical crosslinking is realized, and the polyethylene becomes a pipe material with a three-dimensional reticular macromolecular structure, so that the high temperature resistance and the low temperature resistance of the whole water heating pipe are improved.

Drawings

FIG. 1 is a flow chart of a method for manufacturing a water heating pipe according to the present invention;

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

An anticorrosion and heat-resistant water heating pipe comprises a threaded butt joint port, a water heating pipe body, an anticorrosion coating and a control valve.

A method of manufacture comprising the steps of:

s1, introducing the vinyl chloride homopolymer and the vinyl chloride copolymer into the melting furnace, adjusting the temperature of the melting furnace to 500-700 ℃, and keeping the melting furnace working for 30 min;

s2, putting 2 parts of an ultraviolet resistant agent, 1.3 parts of a catalyst, 1 part of an antistatic agent, 3 parts of an acid-base neutralizing agent, 8 parts of an adhesive, 2.3 parts of crosslinked polyethylene, 1.3 parts of a thickening agent and 3 parts of a catalyst into a stirrer together, and stirring uniformly to obtain a mixed solution;

s3, putting the solution obtained in the step S1 into a containing container, introducing the mixed solution prepared in the step S2 when the temperature is reduced to a point close to a melting point, stirring the mixed solution for 10min through a corresponding stirring device, and immediately pouring the mixed solution into a mold to obtain a prototype of a water heating pipe body;

s4, removing the die, and then performing post-processing on the formed water heating pipe body, namely performing a threading operation on the end part of the water heating pipe body, specifically moving the formed water heating pipe body to an external thread cutting device, and then finishing cutting to obtain a thread butt joint port;

s5, carrying out next-step hole forming design on the water heating pipe body with the threaded butt joint port, using a corresponding hole forming machine to carry out hole forming, and installing the control valve and the corresponding hole forming position after hole forming is finished;

s6, moving the water heating pipe body provided with the control valve to a paint spraying device, spraying an anti-corrosion coating on the outer surface of the water heating pipe body, and finally drying to obtain the anti-corrosion heat-resistant water heating pipe.

Specifically, the adhesive in S2 is one of a polyurethane adhesive, a silica gel adhesive, a PP adhesive, a phenolic resin adhesive, an acrylic adhesive, a flame retardant adhesive, an instant adhesive, and a super strong adhesive.

Specifically, the catalyst in S2 is one or more of a solid acid catalyst, an organic base catalyst, a metal oxide catalyst, a complex catalyst, a rare earth catalyst, a molecular sieve catalyst, a biocatalyst, and a nanocatalyst.

Specifically, the corresponding cooling device is adopted to cool the die rapidly during the operation of the die in the S3, and the inner wall of the die needs to be oiled before pouring.

Specifically, the cutting step in S4 needs to be equipped with a corresponding clamp, and the rotation of the water heating pipe body is completed in the cutting process.

Specifically, the drying mode in S6 adopts air cooling or natural drying, and the two ends of the water heating pipe can only be fixed in the drying process.

Through the change of the proportion, the high temperature resistance, the low temperature resistance, the pressure resistance, the stress cracking resistance, the heat conductivity coefficient and the easy bending performance of the whole water heating pipe can be changed differently, so that the water heating pipe with different environmental requirements can be obtained.

Example 2

An anticorrosion and heat-resistant water heating pipe comprises a threaded butt joint port, a water heating pipe body, an anticorrosion coating and a control valve.

A method of manufacture comprising the steps of:

s1, introducing the vinyl chloride homopolymer and the vinyl chloride copolymer into the melting furnace, adjusting the temperature of the melting furnace to 500-700 ℃, and keeping the melting furnace working for 30 min;

s2, putting 2.5 parts of an ultraviolet resistant agent, 1.2 parts of a catalyst, 1.5 parts of an antistatic agent, 3.5 parts of an acid-base neutralizing agent, 7 parts of an adhesive, 2 parts of cross-linked polyethylene, 1 part of a thickening agent and 2 parts of a catalyst into a stirrer together, and stirring uniformly to obtain a mixed solution;

s3, putting the solution obtained in the step S1 into a containing container, introducing the mixed solution prepared in the step S2 when the temperature is reduced to a point close to a melting point, stirring the mixed solution for 10min through a corresponding stirring device, and immediately pouring the mixed solution into a mold to obtain a prototype of a water heating pipe body;

s4, removing the die, and then performing post-processing on the formed water heating pipe body, namely performing a threading operation on the end part of the water heating pipe body, specifically moving the formed water heating pipe body to an external thread cutting device, and then finishing cutting to obtain a thread butt joint port;

s5, carrying out next-step hole forming design on the water heating pipe body with the threaded butt joint port, using a corresponding hole forming machine to carry out hole forming, and installing the control valve and the corresponding hole forming position after hole forming is finished;

s6, moving the water heating pipe body provided with the control valve to a paint spraying device, spraying an anti-corrosion coating on the outer surface of the water heating pipe body, and finally drying to obtain the anti-corrosion heat-resistant water heating pipe.

Specifically, the adhesive in S2 is one of a polyurethane adhesive, a silica gel adhesive, a PP adhesive, a phenolic resin adhesive, an acrylic adhesive, a flame retardant adhesive, an instant adhesive, and a super strong adhesive.

Specifically, the catalyst in S2 is one or more of a solid acid catalyst, an organic base catalyst, a metal oxide catalyst, a complex catalyst, a rare earth catalyst, a molecular sieve catalyst, a biocatalyst, and a nanocatalyst.

Specifically, the corresponding cooling device is adopted to cool the die rapidly during the operation of the die in the S3, and the inner wall of the die needs to be oiled before pouring.

Specifically, the cutting step in S4 needs to be equipped with a corresponding clamp, and the rotation of the water heating pipe body is completed in the cutting process.

Specifically, the drying mode in S6 adopts air cooling or natural drying, and the two ends of the water heating pipe can only be fixed in the drying process.

Example 3

An anticorrosion and heat-resistant water heating pipe comprises a threaded butt joint port, a water heating pipe body, an anticorrosion coating and a control valve.

A method of manufacture comprising the steps of:

s1, introducing the vinyl chloride homopolymer and the vinyl chloride copolymer into the melting furnace, adjusting the temperature of the melting furnace to 500-700 ℃, and keeping the melting furnace working for 30 min;

s2, putting 2.7 parts of an ultraviolet resistant agent, 1.1 parts of a catalyst, 2 parts of an antistatic agent, 4 parts of an acid-base neutralizing agent, 6 parts of an adhesive, 1 part of crosslinked polyethylene, 3 parts of a thickening agent and 5 parts of a catalyst into a stirrer together, and stirring uniformly to obtain a mixed solution;

s3, putting the solution obtained in the step S1 into a containing container, introducing the mixed solution prepared in the step S2 when the temperature is reduced to a point close to a melting point, stirring the mixed solution for 10min through a corresponding stirring device, and immediately pouring the mixed solution into a mold to obtain a prototype of a water heating pipe body;

s4, removing the die, and then performing post-processing on the formed water heating pipe body, namely performing a threading operation on the end part of the water heating pipe body, specifically moving the formed water heating pipe body to an external thread cutting device, and then finishing cutting to obtain a thread butt joint port;

s5, carrying out next-step hole forming design on the water heating pipe body with the threaded butt joint port, using a corresponding hole forming machine to carry out hole forming, and installing the control valve and the corresponding hole forming position after hole forming is finished;

s6, moving the water heating pipe body provided with the control valve to a paint spraying device, spraying an anti-corrosion coating on the outer surface of the water heating pipe body, and finally drying to obtain the anti-corrosion heat-resistant water heating pipe.

Specifically, the adhesive in S2 is one of a polyurethane adhesive, a silica gel adhesive, a PP adhesive, a phenolic resin adhesive, an acrylic adhesive, a flame retardant adhesive, an instant adhesive, and a super strong adhesive.

Specifically, the catalyst in S2 is one or more of a solid acid catalyst, an organic base catalyst, a metal oxide catalyst, a complex catalyst, a rare earth catalyst, a molecular sieve catalyst, a biocatalyst, and a nanocatalyst.

Specifically, the corresponding cooling device is adopted to cool the die rapidly during the operation of the die in the S3, and the inner wall of the die needs to be oiled before pouring.

Specifically, the cutting step in S4 needs to be equipped with a corresponding clamp, and the rotation of the water heating pipe body is completed in the cutting process.

Specifically, the drying mode in S6 adopts air cooling or natural drying, and the two ends of the water heating pipe can only be fixed in the drying process.

Example 4

An anticorrosion and heat-resistant water heating pipe comprises a threaded butt joint port, a water heating pipe body, an anticorrosion coating and a control valve.

A method of manufacture comprising the steps of:

s1, introducing the vinyl chloride homopolymer and the vinyl chloride copolymer into the melting furnace, adjusting the temperature of the melting furnace to 500-700 ℃, and keeping the melting furnace working for 30 min;

s2, putting 2.9 parts of ultraviolet resistant agent, 1 part of catalyst, 2.5 parts of antistatic agent, 5 parts of acid-base neutralizing agent, 4 parts of adhesive, 1.8 parts of crosslinked polyethylene, 3.2 parts of thickening agent and 4 parts of catalyst into a stirrer together, and stirring uniformly to obtain a mixed solution;

s3, putting the solution obtained in the step S1 into a containing container, introducing the mixed solution prepared in the step S2 when the temperature is reduced to a point close to a melting point, stirring the mixed solution for 10min through a corresponding stirring device, and immediately pouring the mixed solution into a mold to obtain a prototype of a water heating pipe body;

s4, removing the die, and then performing post-processing on the formed water heating pipe body, namely performing a threading operation on the end part of the water heating pipe body, specifically moving the formed water heating pipe body to an external thread cutting device, and then finishing cutting to obtain a thread butt joint port;

s5, carrying out next-step hole forming design on the water heating pipe body with the threaded butt joint port, using a corresponding hole forming machine to carry out hole forming, and installing the control valve and the corresponding hole forming position after hole forming is finished;

s6, moving the water heating pipe body provided with the control valve to a paint spraying device, spraying an anti-corrosion coating on the outer surface of the water heating pipe body, and finally drying to obtain the anti-corrosion heat-resistant water heating pipe.

Specifically, the adhesive in S2 is one of a polyurethane adhesive, a silica gel adhesive, a PP adhesive, a phenolic resin adhesive, an acrylic adhesive, a flame retardant adhesive, an instant adhesive, and a super strong adhesive.

Specifically, the catalyst in S2 is one or more of a solid acid catalyst, an organic base catalyst, a metal oxide catalyst, a complex catalyst, a rare earth catalyst, a molecular sieve catalyst, a biocatalyst, and a nanocatalyst.

Specifically, the corresponding cooling device is adopted to cool the die rapidly during the operation of the die in the S3, and the inner wall of the die needs to be oiled before pouring.

Specifically, the cutting step in S4 needs to be equipped with a corresponding clamp, and the rotation of the water heating pipe body is completed in the cutting process.

Specifically, the drying mode in S6 adopts air cooling or natural drying, and the two ends of the water heating pipe can only be fixed in the drying process.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.