CN102441548B - Inner surface cleaning process of linear coiler - Google Patents
Inner surface cleaning process of linear coiler Download PDFInfo
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- CN102441548B CN102441548B CN 201110312006 CN201110312006A CN102441548B CN 102441548 B CN102441548 B CN 102441548B CN 201110312006 CN201110312006 CN 201110312006 CN 201110312006 A CN201110312006 A CN 201110312006A CN 102441548 B CN102441548 B CN 102441548B
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Abstract
The invention relates to the technical field of surface treatment of inner holes of slender pipes, in particular to an inner surface cleaning process of linear coilers, solves the problem of dirt on the inner surface of the linear coiler, and is characterized in that at first, oil and dirt are removed by flowing solvent, and then roll scale at a welding seam is removed in a hydrogen gas reduction method. The inner surface cleaning process has the advantages that the process equipment is simple, the comprehensive cost is low, the cleaning efficiency is high, the cleanliness of the inner hole of the pipe cleaned is high, the quality of the inner surface is stable, and no rust is produced on the inner surface.
Description
Technical field
The present invention relates to elongated tubular bore area processing technology field, especially a kind of linear disc pipe crimping inner surface cleaning procedure.
Background technology
The diameter of coiling pipe is little, length is long, inner surface cleaning procedure difficulty is very big, bore area to all kinds of elongated tubulars in the prior art adopts diverse ways or technology according to its characteristic, be one kind of CN 1772402A at the small-bore length cleaning of long seamless steel pipe again as patent publication No., what it adopted is mechanical processing method, i.e. She Ji a special fixture, by these anchor clamps, add professional cleaning agent and homemade brush, a kind of technology that the steel pipe inwall is cleaned up, main technical schemes is for soaking precise hydraulic steel pipe earlier in cleaning solvent, brush is contained on the anchor clamps that can rotate automatically then, clean the steel pipe inwall, wash and drain with giant at last, this method is fit to the higher hard tube bore area of linearity and handles.And for example patent publication No. is the process that CN1037671A a kind of is specially adapted to clean greasy dirt and the oxide of copper tube for refrigerator surfaces externally and internally, mainly comprise and deoiling, the deoxidation thing, passivation, dehydration, vacuumize and 6 procedures such as nitrogen flushing, at first remove greasy dirt and the water flushing of copper pipe surface with normal temperature oil removing aqueous cleaning agent, remove oxide and the water flushing of steel tube surface then with the mixed aqueous solution of certain inorganic salts and sulfuric acid, and then with washing with residual acid and the water of copper pipe surface in the normal temperature oil removing aqueous cleaning agent, make the copper pipe surface dehydration with absolute ethyl alcohol then, with vacuumizing the part of anhydrating in the copper pipe, in copper pipe, be blown into nitrogen at last then.This technology is at copper pipe, and disposal costs are higher, and copper pipe inner surface cleaning is incomplete, and the tubule dehydration that especially length is long is difficult to purify.
Summary of the invention
The objective of the invention is in order to solve the problem of linear disc pipe crimping inner surface dirt, provide a kind of technological design reasonable, the linear disc pipe crimping inner surface cleaning procedure that integrated cost is low, adopt industrial cleaning agent or metal cleaner, in pipe, make surge, and carry out online annealing and remove pipe crimping inner wall oxide district.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of linear disc pipe crimping inner surface cleaning procedure is characterized in that having following processing step:
(1), an end of coil pipe is walked around the body of coil pipe, stretch to waste liquid pool or bucket porch 300mm with the upper part, the coil pipe other end highly bends out one section U-shaped shape and with the mouth of pipe up at the coil pipe meta; In the preparation, an optional termination, the two ends of coil pipe reaches in the waste collection bucket, owing to need suppress power during cleaning, it is above to prevent that waste liquid from going out outside the bucket to extend waste liquid barrel entrance 300mm.
(2), add cleaning agent liquid, and charge and attack with the nitrogen of 3.5～4.5Mpa air pressure, make liquid at pipe crimping inner formation whirlpool and produce fluid pressure, the pipe crimping inner surface is clashed into, washes away, grease, dust and dirt are stripped down from the pipe crimping inwall, be dissolved in the cleaning agent, flow out with cleaning agent; Can use strong and weak wave band impact method when using nitrogen to charge and attack, namely hyperbar is beaten a period of time, follows stingy pressure and impacts a period of time, makes the pipe orifice wall be subjected to vibratility and impacts.
(3), take out coil pipe one end that stretches in the waste liquid pool, fill in sponge to pipe orifice, nitrogen with 5～6Mpa pressure charges and attacks, the frictional heat of expansion imbibition, sponge and the pipe crimping inner surface of dependence sponge and the flushing of nitrogen, remove the sticking remaining cleaning agent that sticks on the pipe crimping inner surface, make pipe crimping reach drying regime simultaneously; Coil pipe one end that takes out in the waste liquid pool avoids sponge to enter in the waste liquid pool, and under the nitrogen with pressure impacted, sponge moved the wiping inside pipe wall fast in pipe.
(4), in pipe, charge into inert protective gas, sealing pipe crimping two ends guarantee pipe crimping during waiting to put or tube reducing handles, its inner surface quality does not occur repeatedly; By the needs of producing, the pipe crimping of coiling needs to put in technological process waits for that disposal enters next process.It is exactly in the technology that described tube reducing is handled, and pipe is divided into straight plating pipe and reducer, and straight plating pipe is exactly Direct Electroplating after cleaning procedure is handled, and reducer need carry out diameter and continue to draw high the technical process that reduces.
(5), change the hydrogen that fills an amount of air pressure, carry out online annealing in process, by the chemical reaction removing pipe crimping inner wall oxide district of hydrogen and iron scale; No matter from product quality should be managed angle, wait to put or tube reducing more more short during handling.
(6), charge into inert gas at last and do the pressurize processing.Annealing in process finishes the back and charges into inert gas at once.
As preferably, described cleaning agent or be industrial cleaning agent or metal cleaner.The present invention is primarily aimed at the cleaning of the inside pipe wall of steel tube.
As preferably, described cleaning agent consumption is that dish is great when 100kg, and cleaning agent is greater than 1000ml; When dish weighed less than 100kg, cleaning agent added 500ml.Consumption overlaps reason choosing amount according to the pipe crimping dish.
As preferably, the body of described coil pipe refers to its maximum gauge after the plate-like that linear pipe crimping coiled is conducive to transport, process, minimum diameter and highly formed main body, the height median when coil pipe meta height refers to the coil pipe horizontal positioned.
As preferably, described sponge is strip, sponge or with some, every length 50～100 mm.Sponge is poured the discharging of waste liquid bucket, and the cleaning agent that has can make sponge finally be dissolved in the inside.
Effective effect of the present invention is: process equipment is simple, and integrated cost is low, the cleaning efficiency height, and the pipe orifice cleannes height after the cleaning, inner surface quality is stable instead not to become rusty.
The specific embodiment
Below by embodiment, technical scheme of the present invention is described in further detail.
A kind of linear disc pipe crimping of present embodiment inner surface cleaning procedure, finish by following processing step: at first, getting weight is 110kg staple tray wound steel pipe, an initial end is walked around the body of coil pipe, be inserted into the position of the waste liquid pool mouth 350mm of place, the coil pipe tail end highly bends out one section U-shaped shape and with the mouth of pipe up at the coil pipe meta.Then, add 1000 ml metal cleaner liquid, nitrogen with 4.5Mpa air pressure charges and attacks, make liquid form whirlpool in steel duct, by the pressure of liquid, steel pipe internal-surface is clashed into, washes away, grease, dust and dirt are stripped down from the steel pipe inwall, mixing also is partly dissolved in the cleaning agent, flows out with cleaning agent.The 3rd, taking-up stretches to coil pipe one end in the waste liquid pool, being placed on the bottom is provided with on the workbench that receives bucket, it is that the 6 joint sponges of 100 mm are filled in to pipe orifice that cross section is equaled steel pipe hole internal diameter, length, nitrogen with 6Mpa pressure charges and attacks, rely on the expansion of sponge to carry out the flushing of frictional heat and the nitrogen of imbibition, sponge and steel pipe internal-surface, remove the sticking remaining cleaning agent that sticks on the steel pipe internal-surface, make steel pipe reach drying regime simultaneously.The 4th, in pipe, charge into inert protective gas, with pipe close sealing steel pipe two ends, guarantee steel pipe during waiting to put, inner surface quality does not occur repeatedly.Subsequently, change the hydrogen that fills an amount of air pressure, carry out online annealing in process, rely on the chemical reaction of hydrogen and iron scale to remove steel pipe inner wall oxide district.At last, charge into inert gas and do the pressurize processing.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, any structure after the simple transformation of the present invention is all belonged to protection scope of the present invention.
Claims (5)
1. linear disc pipe crimping inner surface cleaning procedure is characterized in that having following processing step:
(1), an end of coil pipe is walked around the body of coil pipe, stretch to waste liquid pool or bucket porch 300mm with the upper part, the coil pipe other end highly bends out one section U-shaped shape and with the mouth of pipe up at the coil pipe meta;
(2), add cleaning agent liquid, and charge and attack with the nitrogen of 3.5～4.5Mpa air pressure, make liquid at coil pipe inner formation whirlpool and produce fluid pressure, the coil pipe inner surface is clashed into, washes away, grease, dust and dirt are stripped down from the coil pipe inwall, be dissolved in the cleaning agent, flow out with cleaning agent;
(3), take out coil pipe one end that stretches in the waste liquid pool, fill in sponge to pipe orifice, nitrogen with 5～6Mpa pressure charges and attacks, the frictional heat of expansion imbibition, sponge and the coil pipe inner surface of dependence sponge and the flushing of nitrogen, remove the sticking remaining cleaning agent that sticks on the coil pipe inner surface, make coil pipe reach drying regime simultaneously;
(4), in pipe, charge into inert protective gas, sealing coil pipe two ends guarantee coil pipe during waiting to put or tube reducing handles, its inner surface quality does not occur repeatedly;
(5), change the hydrogen that fills an amount of air pressure, carry out online annealing in process, by the chemical reaction clear disk inside pipe wall zoneofoxidation of hydrogen and iron scale;
(6), charge into inert gas at last and do the pressurize processing.
2. linear disc pipe crimping inner surface cleaning procedure according to claim 1 is characterized in that described cleaning agent or is industrial cleaning agent or metal cleaner.
3. linear disc pipe crimping inner surface cleaning procedure according to claim 1 and 2 is characterized in that described cleaning agent consumption is that dish is great when 100kg, and cleaning agent is greater than 1000ml; When dish weighed less than 100kg, cleaning agent added 500ml.
4. linear disc pipe crimping inner surface cleaning procedure according to claim 1, the body that it is characterized in that described coil pipe refers to its maximum gauge after the plate-like that linear coil pipe coiled is conducive to transport, process, minimum diameter and highly formed main body, the height median when coil pipe meta height refers to the coil pipe horizontal positioned.
5. linear disc pipe crimping inner surface cleaning procedure according to claim 1 is characterized in that described sponge is strip, and sponge is with some, every length 50～100 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110312006 CN102441548B (en) | 2011-10-16 | 2011-10-16 | Inner surface cleaning process of linear coiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110312006 CN102441548B (en) | 2011-10-16 | 2011-10-16 | Inner surface cleaning process of linear coiler |
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| Publication Number | Publication Date |
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| CN102441548A CN102441548A (en) | 2012-05-09 |
| CN102441548B true CN102441548B (en) | 2013-08-07 |
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| CN 201110312006 Active CN102441548B (en) | 2011-10-16 | 2011-10-16 | Inner surface cleaning process of linear coiler |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941267A (en) * | 2012-10-17 | 2013-02-27 | 青岛宏奥铜管有限公司 | Process for manufacturing spring-type copper tube |
| CN104226649A (en) * | 2014-07-28 | 2014-12-24 | 宁国市大泉机械有限公司 | Method of cleaning inner wall of pipeline |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1037861A (en) * | 1988-04-28 | 1989-12-13 | 布德公司 | The method and apparatus of bonding FRP members |
| US5007444A (en) * | 1986-10-23 | 1991-04-16 | Sundholm Goeran | Apparatus for flushing small-diameter hydraulic pipe systems and the like |
| CN101327487A (en) * | 2007-06-21 | 2008-12-24 | 中芯国际集成电路制造(上海)有限公司 | Method and system for cleaning boiler tube |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8114222B2 (en) * | 2004-08-27 | 2012-02-14 | Ecolab Usa Inc. | Method for cleaning industrial equipment with pre-treatment |
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- 2011-10-16 CN CN 201110312006 patent/CN102441548B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5007444A (en) * | 1986-10-23 | 1991-04-16 | Sundholm Goeran | Apparatus for flushing small-diameter hydraulic pipe systems and the like |
| CN1037861A (en) * | 1988-04-28 | 1989-12-13 | 布德公司 | The method and apparatus of bonding FRP members |
| CN101327487A (en) * | 2007-06-21 | 2008-12-24 | 中芯国际集成电路制造(上海)有限公司 | Method and system for cleaning boiler tube |
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| CN102441548A (en) | 2012-05-09 |
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