CN105736844A - Composite refrigeration pipe and processing technology thereof - Google Patents
Composite refrigeration pipe and processing technology thereof Download PDFInfo
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- CN105736844A CN105736844A CN201410739585.9A CN201410739585A CN105736844A CN 105736844 A CN105736844 A CN 105736844A CN 201410739585 A CN201410739585 A CN 201410739585A CN 105736844 A CN105736844 A CN 105736844A
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- copper
- pipe
- copper aluminum
- composite pipes
- continuous casting
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Abstract
The invention discloses a composite refrigeration pipe and a processing technology thereof; the copper aluminium composite pipe processing technology comprises the following steps: copper aluminium pipe blank continuous casting-rolling process-stretching-flaw detection-annealing. The novel technology can solve the disadvantages in the prior art; the outer side of the copper aluminium pipe is antirust aluminium alloy, the inner side of the pipe is coalesced copper, and a metallic bond combination layer is arranged between copper and aluminium; the copper aluminium pipe blank continuous casting technology can cast the pipe blank, and the rolling process can form a metallurgy combination layer on the copper aluminium composite surface; the composite refrigeration pipe is low in making cost, can replace copper pipes so as to be widely applied in air-conditioning and refrigerator refrigerating machines, thus saving mass copper resources, and reducing refrigerating machine cost.
Description
Technical field
The present invention relates to refrigeration machine copper pipe technical field, particularly belong to a kind of compound-refrigerating pipe and processing technique thereof.
Background technology
Accurate copper pipe, through the development of several years, has been that production capacity is more than demand at present.The processing charges of copper pipe has been reduced to allow people be difficult to the level accepted, and the benefit of each copper pipe enterprise is all gradually reduced.How to develop the new material for refrigeration air-conditioner, help air-conditioning industry to reduce cost production cost, improve product quality, lift technique competitiveness, expand the vivosphere that tubing produces simultaneously, be pendulum baptism in face of enterprise.
Summary of the invention
A kind of compound-refrigerating pipe and processing technique thereof are it is an object of the invention to provide, it it is rust-preventing aluminum alloy outside copper aluminum composite pipes, inner side is oxygen-free copper, being metallic bond binder course between atom between copper aluminum, utilize Cu-AL pipe base continuous casting technology to cast out pipe, it is make Copper-Aluminum compound face form metallurgical bonding layer that reusable heat rolls technology, this Product processing cost is low, can substitute for, in the copper pipe extensively refrigeration machine such as practicality and air-conditioning refrigerator, having saved substantial amounts of copper resource, having reduced refrigeration machine cost.
The technical solution used in the present invention is as follows:
A kind of compound-refrigerating pipe and processing technique thereof, it is characterised in that: being rust-preventing aluminum alloy outside described copper aluminum composite pipes, inner side is oxygen-free copper, is metallic bond binder course between atom between copper aluminum；Its processing technique is:
(1) Cu-AL pipe base continuous casting: go out the pipe of requirement size with the high-efficiency copper aluminum pipe horizontal composite continuous casting cast of base continuous casting installation for casting employing；
(2) binding technology: pipe heat rolled, makes Copper-Aluminum compound face form metallurgical bonding layer and obtains copper aluminum composite pipes, and described temperature of rolling is 120 ~ 150 DEG C；
(3) stretch: adopt plate drawing machine high-speed stretch copper aluminum composite pipes, it is achieved overlength produces efficiently；
(4) flaw detection: the copper aluminum composite pipes after utilizing crack detector degree to stretch is detected a flaw；
(5) annealing: adopting light ambient anneal equipment that the copper aluminum composite pipes after flaw detection is annealed, in described annealing process, atmosphere gas is nitrogen；
(6) packaging.
Described temperature of rolling is 134 DEG C.
It is provided with female thread structure inside described refrigeration machine copper aluminum composite pipes.
Compared with the prior art, beneficial effects of the present invention is as follows:
It it is rust-preventing aluminum alloy outside copper aluminum composite pipes provided by the invention, inner side is oxygen-free copper, it it is metallic bond binder course between atom between copper aluminum, Cu-AL pipe base continuous casting technology is utilized to cast out pipe, it is make Copper-Aluminum compound face form metallurgical bonding layer that reusable heat rolls technology, and this Product processing cost is low, it is possible to replace in the copper pipe extensively refrigeration machine such as practicality and air-conditioning refrigerator, save substantial amounts of copper resource, reduce refrigeration machine cost..
Detailed description of the invention
A kind of compound-refrigerating pipe and processing technique thereof, it is characterised in that: being rust-preventing aluminum alloy outside described copper aluminum composite pipes, inner side is oxygen-free copper, is metallic bond binder course between atom between copper aluminum；Its processing technique is:
(1) Cu-AL pipe base continuous casting: go out the pipe of requirement size with the high-efficiency copper aluminum pipe horizontal composite continuous casting cast of base continuous casting installation for casting employing；
(2) binding technology: pipe heat rolled, makes Copper-Aluminum compound face form metallurgical bonding layer and obtains copper aluminum composite pipes, and described temperature of rolling is 120 ~ 150 DEG C；
(3) stretch: adopt plate drawing machine high-speed stretch copper aluminum composite pipes, it is achieved overlength produces efficiently；
(4) flaw detection: the copper aluminum composite pipes after utilizing crack detector degree to stretch is detected a flaw；
(5) annealing: adopt light ambient anneal equipment that the copper aluminum composite pipes after flaw detection is annealed；
(6) packaging；
In described annealing process, atmosphere gas is nitrogen；Described temperature of rolling is 134 DEG C；It is provided with female thread structure inside described refrigeration machine copper aluminum composite pipes.
Claims (3)
1. a compound-refrigerating pipe and processing technique thereof, it is characterised in that: being rust-preventing aluminum alloy outside described copper aluminum composite pipes, inner side is oxygen-free copper, is metallic bond binder course between atom between copper aluminum；Its processing technique is:
(1) Cu-AL pipe base continuous casting: go out the pipe of requirement size with the high-efficiency copper aluminum pipe horizontal composite continuous casting cast of base continuous casting installation for casting employing；
(2) binding technology: pipe heat rolled, makes Copper-Aluminum compound face form metallurgical bonding layer and obtains copper aluminum composite pipes, and described temperature of rolling is 120 ~ 150 DEG C；
(3) stretch: adopt plate drawing machine high-speed stretch copper aluminum composite pipes, it is achieved overlength produces efficiently；
(4) flaw detection: the copper aluminum composite pipes after utilizing crack detector degree to stretch is detected a flaw；
(5) annealing: adopting light ambient anneal equipment that the copper aluminum composite pipes after flaw detection is annealed, in described annealing process, atmosphere gas is nitrogen；
(6) packaging.
2. a kind of compound-refrigerating pipe and processing technique thereof according to claim 1, it is characterised in that: described temperature of rolling is 134 DEG C.
3. a kind of compound-refrigerating pipe and processing technique thereof according to claim 1, it is characterised in that: it is provided with female thread structure inside described refrigeration machine copper aluminum composite pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410739585.9A CN105736844A (en) | 2014-12-08 | 2014-12-08 | Composite refrigeration pipe and processing technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410739585.9A CN105736844A (en) | 2014-12-08 | 2014-12-08 | Composite refrigeration pipe and processing technology thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105736844A true CN105736844A (en) | 2016-07-06 |
Family
ID=56236758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410739585.9A Pending CN105736844A (en) | 2014-12-08 | 2014-12-08 | Composite refrigeration pipe and processing technology thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105736844A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11846370B2 (en) | 2019-03-26 | 2023-12-19 | Titeflex Corporation | Multilayer composite pipe and pipe assemblies including reflective insulation |
-
2014
- 2014-12-08 CN CN201410739585.9A patent/CN105736844A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11846370B2 (en) | 2019-03-26 | 2023-12-19 | Titeflex Corporation | Multilayer composite pipe and pipe assemblies including reflective insulation |
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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: 20160706 |