CN101994879A - Processing method of anticorrosive pipeline - Google Patents
Processing method of anticorrosive pipeline Download PDFInfo
- Publication number
- CN101994879A CN101994879A CN2009100340290A CN200910034029A CN101994879A CN 101994879 A CN101994879 A CN 101994879A CN 2009100340290 A CN2009100340290 A CN 2009100340290A CN 200910034029 A CN200910034029 A CN 200910034029A CN 101994879 A CN101994879 A CN 101994879A
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- CN
- China
- Prior art keywords
- metallic conduit
- pipeline
- flange plate
- anticorrosive
- mold pressing
- 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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Abstract
The invention relates to a processing method of an anticorrosive pipeline which consists of a metal pipeline and an anticorrosive material. Through the steps of arranging flanges at the two ends of the metal pipeline, arranging square holes and material permeation holes with unequal sizes on the metal pipeline, and evenly covering a layer of the anticorrosive material on the inner and outer surfaces of the metal pipeline and the inner and outer surfaces of the flanges, the method can effectively solve the problem that the metal pipeline is easy to be corroded during the transportation of corrosive liquid. The processing method of the anticorrosive pipeline can greatly reduces the cost, meet the design requirements, and satisfy the production demands of the enterprises.
Description
Technical field: the present invention relates to a kind of pipeline that on chemical industry, extensively applies to carry liquid medium, refer more particularly to the processing method of the corrosion resistant pipeline that can carry the corrosive liquid body medium.
Background technique: along with the fast development of China's chemical industry, a large amount of chemical liquid media needs to carry, and most chemical mediums, not only have hypertoxicity, also have very strong corrosivity simultaneously, so in chemical industry, particularly when conveying has very strong corrosion liquid medium, have to adopt the conveyance conduit of the very high stainless steel of cost as liquid, this has increased the cost of production of enterprise on the one hand, and the maintenance and management to pipeline has also increased a lot of pressure on the other hand.More present enterprises, utilize steel pipe as base material, developed a collection of pipeline that can be used for carrying the corrosive liquid body medium, it is exactly material in the compound one deck corrosion resistance of the internal surface of steel pipe, in order to reach the purpose that anticorrosive material is fixed on steel pipe internal-surface, sometimes also adopt steel wire to be welded on the internal surface of steel pipe, then anticorrosive material is sprayed on the steel wire, but in the using process of reality, because in the process of carrying liquid, liquid has certain power of going out, these materials compound or spraying, often can not satisfy requirements of one's work, under the effect of going out power, can cause to come off, and such design method, production cost is also higher, is unfavorable for large batch of production.
Summary of the invention: for solving the existing problem of above Vintage Product, technical problem to be solved by this invention provides a kind of simple in structure, be easy to make, equipment investment is little, product price is low, can solve the effective corrosion-resistant problem of pipeline, the object of the present invention is achieved like this, the processing method of corrosion resistant pipeline, be by metallic conduit, anticorrosive material is formed, it is characterized in that: the two ends at metallic conduit are provided with flange plate, and described metallic conduit is provided with the material leaking hole that differs in size, and the inner and outer surface of the internal surface of metallic conduit and the outer surface of metallic conduit and flange plate has all covered one deck anticorrosive material equably; During production, earlier flange is machined to the size that needs, and accomplishes fluently the required eye distance of connection.After the metallic conduit Vehicle Processing, hold essential side's eye and material leaking hole successfully, again two flanges of itself and other are connected; The ready-made metallic conduit that has flange plate is put in the specialized mould, after fixing, put into and heat in the baking oven after 340 ℃～360 ℃, constant temperature four hours is pulled out in baking oven again, in mould, inject liquid teflon, be put into and carry out mold pressing on the hydraulic press, the pressure control of mold pressing is at 10～20MPa, and the time of mold pressing is 2.5～3 hours, reduce to 80 ℃ with the below etc. a whole set of die temperature, the demoulding; Semi-finished product after the demoulding are put fine finishing after a few days in the water into, can become finished product.Manufacture method of the present invention is simple, and production technology is convenient, and this product is applicable to domestic known acid at present, alkali, salt solution or solvent, use under ℃ occasion of temperature≤160, and aging never, avirulent is decomposed.The corrosion resistant pipeline can be resisted the corrosion of strong acid and strong base, thereby reduce cost significantly according to any production and processing of the length of user's needs, shortens service cycle, improves work efficiency.
Description of drawings: Fig. 1 is the structural representation of product of the present invention
1, metallic conduit 2, flange plate 3, material leaking hole 4, anticorrosive material
Embodiment: the invention will be further described below in conjunction with accompanying drawing
In Fig. 1, the processing method of corrosion resistant pipeline of the present invention is to adopt metallic conduit as the base material of producing, because metallic conduit has good pressure resistance energy and good intensity, still, metallic conduit also has its very disadvantageous one side, be exactly that antiseptic property is relatively poor, can not meet the needs of production.During concrete enforcement,, cut into needed length, be connected needed flange plate with pipeline at the two ends of pipeline welded pipe line then, opening any several square hole and material leaking hole on the pipeline the requirement of metallic conduit according to manufacturer.During processed product, metallic conduit is put into the mould that designs, after fixing, put into and heat in the baking oven after 340 ℃～360 ℃, constant temperature four hours, in baking oven, pull out again, will join in the molding apparatus through the liquid anticorrosive material teflon of heating, in mold pressing enters into mould, the pressure control of mold pressing is at 10～20MPa, the time of mold pressing is 2.5～3 hours, waits a whole set of die temperature to reduce to below 80 ℃ the demoulding; Semi-finished product after the demoulding are put fine finishing after a few days in the water into; Owing on metallic conduit, have plurality of square holes and material leaking hole, liquid anticorrosive material teflon is easy to enter into the inner and outer surface of metallic conduit, and formation layer of even corrosion resistant layer, simultaneously, the corrosion resistant layer of internal and external layer links together them again closely by square hole and the material leaking hole that is provided with, like this, pipeline just can resist effectively in use liquid in pipeline when mobile to the impact of pipeline, thereby prevented Vintage Product, the defective that the corrosion resistant layer comes off easily.Because flange plate also is welded on the two ends of metallic conduit simultaneously, anticorrosive material also will cover the inside and outside both side surface of flange plate, the product of being produced is when pipeline is connected with pipeline like this, formed corrosion resistant layer just can play the effect of packing ring on flange plate, prevents that the phenomenon that pipeline liquid leaks from taking place thereby play.
Claims (1)
1. the processing method of corrosion resistant pipeline, formed by metallic conduit, anticorrosive material, it is characterized in that: the two ends at metallic conduit are provided with flange plate, described metallic conduit is provided with the material leaking hole that differs in size, and the inner and outer surface of the internal surface of metallic conduit and the outer surface of metallic conduit and flange plate has all covered one deck anticorrosive material equably; During production, earlier flange is machined to the size that needs, and accomplishes fluently the required eye distance of connection; After the metallic conduit Vehicle Processing, hold essential side's eye and material leaking hole successfully, again two flanges of itself and other are connected; The ready-made metallic conduit that has flange plate is put in the specialized mould, after fixing, put into and heat in the baking oven after 340 ℃～360 ℃, constant temperature four hours is pulled out in baking oven again, in mould, inject liquid teflon, be put into and carry out mold pressing on the hydraulic press, the pressure control of mold pressing is at 10～20MPa, and the time of mold pressing is 2.5～3 hours, reduce to below 80 ℃ the demoulding etc. a whole set of die temperature; Semi-finished product after the demoulding are put fine finishing after a few days in the water into, can become finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100340290A CN101994879A (en) | 2009-08-18 | 2009-08-18 | Processing method of anticorrosive pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100340290A CN101994879A (en) | 2009-08-18 | 2009-08-18 | Processing method of anticorrosive pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101994879A true CN101994879A (en) | 2011-03-30 |
Family
ID=43785415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100340290A Pending CN101994879A (en) | 2009-08-18 | 2009-08-18 | Processing method of anticorrosive pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101994879A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883809A (en) * | 2012-12-21 | 2014-06-25 | 南通好的防腐装备有限公司 | Teflon pipeline with double composite steel liners |
-
2009
- 2009-08-18 CN CN2009100340290A patent/CN101994879A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883809A (en) * | 2012-12-21 | 2014-06-25 | 南通好的防腐装备有限公司 | Teflon pipeline with double composite steel liners |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110330 |