CN109234750A - A kind of acid dip pickle for stainless steel pipes - Google Patents
A kind of acid dip pickle for stainless steel pipes Download PDFInfo
- Publication number
- CN109234750A CN109234750A CN201811327159.9A CN201811327159A CN109234750A CN 109234750 A CN109234750 A CN 109234750A CN 201811327159 A CN201811327159 A CN 201811327159A CN 109234750 A CN109234750 A CN 109234750A
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- CN
- China
- Prior art keywords
- stainless steel
- steel pipes
- circulating line
- collecting tank
- pond
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/04—Apparatus for cleaning or pickling metallic material for cleaning pipes
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The present invention relates to pipe pickling technical fields, disclose a kind of acid dip pickle for stainless steel pipes, including store up sour pond, store up sour bottom of pond portion and are provided with circulating line, the connector that can be connected to stainless steel pipes with circulating line is provided on circulating line；It stores up and is provided with collecting tank at the top of sour pond, the bottom of collecting tank is provided with drain pipe, and drain pipe connect at the top of sour pond with storing up and is connected to sour pond inner cavity is stored up；The discharge end of circulating line is provided with porous filter screen, and the discharge end of circulating line is located at the top of liquid level in collecting tank；Circulating pump is installed on circulating line.Porous filter screen is arranged by the discharge end in circulating line in the present invention, carries bladdery acid solution and realizes gas-liquid separation after porous filter screen disperses, effectively reduces the normal circulation for guaranteeing acid solution into the bubble in circulating pump；The vibration of pump operating cycle generation is reduced because air bubble content reduces simultaneously, to extend the service life of circulating pump, reduces the noise of pump operating cycle generation.
Description
Technical field
The present invention relates to pipe pickling technical fields, and in particular to a kind of acid dip pickle for stainless steel pipes.
Background technique
Yin Qinei contains grease to stainless steel pipes in a pre-installation or long-term storage generates corrosion, is easy to influence stainless steel pipes
Service life；And deposition greasy filth, rust deposite solidification cause former caliber to become smaller in the pipe for the stainless steel pipes being used for a long time, and become silted up in pipe
Mud precipitating generates hydrogen sulfide gas and causes environmental pollution and easily cause to fire, it is also desirable to periodically carry out pickling maintenance to it.
The pickling of pipeline, which refers to, carries out pickling to pipeline with inorganic acid or organic acid, remove inner wall of the pipe attachment grease,
Iron rust etc. makes to restore material surface itself in pipeline.After pickling, one layer of fine and close chemical passivation is formed in clean metal surface
Film, can effectively prevent the generation again of dirt, and can effectively protect to equipment, make equipment do not corroded or
The effect of other chemical depletions, the workflow of the effective safety for guaranteeing equipment and the service life for extending equipment.
For the pickling efficiency for improving stainless steel pipes, existing stainless steel pipes pickling frequently with circulating acid dip pickle,
In acid cleaning process, acid solution volatile matter can be generated and exhaust gas forms bubble in acid solution；Due to the continuous service of circulating pump, make to follow
Ring pumps internal temperature and increases, and the volume of bubble becomes larger, and causes to pump the reduction of internal pressure difference, is unfavorable for circulating for acid solution；Meanwhile it taking
It is directly back to the sour pond of storage with bladdery acid solution to be sucked by circulating pump again, circulating pump can be made to generate biggish vibration, can be reduced
The service life of circulating pump can also generate biggish noise.
Summary of the invention
Based on problem above, the present invention provides a kind of acid dip pickle for stainless steel pipes, can effectively reduce to enter and follow
Bubbles volume in ring pump, guarantees the normal circulation of acid solution；The vibration that pump operating cycle generation can be reduced simultaneously, to extend circulation
The service life of pump, the noise generated when reducing pump operating cycle.
In order to solve the above technical problems, the present invention provides a kind of acid dip pickle for stainless steel pipes, including it is with cover
And closed storage acid pond, it stores up sour bottom of pond portion and is provided with the circulating line being connected to storage sour pond inner cavity, being provided on circulating line can
The connector that stainless steel pipes are connected to circulating line；It stores up and is provided with collecting tank at the top of sour pond, the bottom setting of collecting tank
There is drain pipe, drain pipe connect at the top of sour pond with storing up and is connected to sour pond inner cavity is stored up；The discharge end of circulating line is provided with porous
Strainer, the discharge end of circulating line are located at the top of liquid level in collecting tank；Circulating pump is installed on circulating line.
Further, collecting tank is closed container, is provided with exhaust pipe at the top of collecting tank；Exhaust pipe one end and collecting tank
Inner cavity connection, the other end are connected with absorption cell, and the outlet side of exhaust pipe is located at the lower section of liquid level in absorption cell.
Further, it stores up and is provided with the feed leakage bucket equipped with buffer above sour pond, feed leakage bucket is by feeder pipe and stores up sour pond
Top connection.
Further, flow control valve is installed on feeder pipe.
Further, connector includes the consistent collector of two structures and current divider, and collector and the current divider are equal
Including supervisor, one end of two supervisors is connected on circulating line, and the other end is mounted on locating piece；It is opened up on locating piece
There is the circular groove being connected to supervisor, circular groove inner wall and stainless steel tube pipeline outer wall are respectively arranged with the screw thread to match.
Further, the quantity of circular groove is 2~6, and circular groove is respectively using the central axes of supervisor as center axis, ring
Shape is distributed on locating piece.
Further, circular groove bottom is provided with the rubber gasket to match with stainless steel pipes.
Compared with prior art, the beneficial effects of the present invention are: the present invention is by being arranged collecting tank in the top for storing up sour pond,
And porous filter screen is set in the discharge end of circulating line, it carries bladdery acid solution and disperses acid solution when by porous filter screen,
Bubble is realized gas-liquid separation in collecting tank, to effectively reduce into the air content in circulating pump, is protected by overflowing in acid solution
Acid solution smooth circulation under the action of circulating pump is demonstrate,proved；The generation of circulating pump is greatly reduced because of air bubble content reduction simultaneously
Vibration, can increase the service life that makes of circulating pump, while reducing the operation noise of circulating pump.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the acid dip pickle of the stainless steel pipes in embodiment；
Fig. 2 is the circulating line discharge port end at the visual angle A and porous filter screen connection schematic diagram in Fig. 1；
Fig. 3 is the stereoscopic schematic diagram of the collector or current divider in embodiment；
Wherein: 1, storing up sour pond；2, circulating line；3, collecting tank；4, drain pipe；5, porous filter screen；6, circulating pump；7, it is vented
Pipe；8, absorption cell；9, feed leakage bucket；10, feeder pipe；11, flow control valve；12, collector；13, current divider；14, it is responsible for；15,
Locating piece；16, circular groove；17, stainless steel pipes.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment:
Referring to Fig. 1 and Fig. 2, a kind of acid dip pickle for stainless steel pipes, including storage acid pond 1 with cover and closed, storage
Sour 1 bottom of pond is provided with the circulating line 2 being connected to 1 inner cavity of the sour pond of storage, and being provided on circulating line 2 can be by stainless steel pipes 17
The connector being connected to circulating line 2；The top for storing up sour pond 1 is provided with collecting tank 3, and the bottom of collecting tank 3 is provided with drain pipe
4, drain pipe 4 is connected at the top of sour pond 1 with storing up and is connected to 1 inner cavity of sour pond is stored up；The discharge end of circulating line 2 is provided with porous filter screen
5, the discharge end of circulating line 2 is located at the top of liquid level in collecting tank 3；Circulating pump 6 is installed on circulating line 2.
In the present embodiment, the acid solution stored up in sour pond 1 is drawn in circulating line 2 by circulating pump 6, is flowed through circulating line 2
Enter stainless steel pipes 17, and pickling is carried out to 17 inner wall of stainless steel pipes, except degreasing, iron rust etc.；It can be produced in acid cleaning process
Raw exhaust gas, exhaust gas form bubble in acid solution；Bladdery acid solution is carried when flowing through the discharge port of circulating line 2, is installed on
The porous filter screen 5 of discharge port can carry out acid solution fully dispersed；In the process, it overflows, locates from acid solution after bubble is squeezed and broken
Acid solution after reason enters the sour pond 1 of storage through drain pipe 4 by collecting tank 3 and is recycled, and exhaust gas is then discharged via collecting tank 3.The present invention
The air content entered in circulating pump 6 is effectively reduced, ensure that acid solution smooth circulation under the action of circulating pump 6；Simultaneously because of gas
Bubble content reduces and greatly reduces the vibration of the generation of circulating pump 6, can increase the service life that makes of circulating pump 6, reduce simultaneously
The operation noise of circulating pump 6.
Collecting tank 3 is closed container, and the top of collecting tank 3 is provided with exhaust pipe 7；7 one end of exhaust pipe and 3 inner cavity of collecting tank
Connection, the other end are connected with absorption cell 8, and the outlet side of exhaust pipe 7 is located at the lower section of liquid level in absorption cell 8.Because in acid cleaning process
Middle acid solution is made acidic materials and has a volatilization, with certain acidic materials in exhaust gas, by 7 row of exhaust pipe on collecting tank 3
Out, if directly will cause air pollution in evacuating air.In the end of exhaust pipe 7, absorption cell 8 is set, it can be to the acid solution in exhaust gas
It is recycled, while preventing from acidic materials from entering in atmosphere causing air pollution, realizes the secondary returning of acidic materials
It receives and utilizes.
It stores up and is provided with the feed leakage bucket 9 equipped with buffer above sour pond 1, the top that feed leakage bucket 9 passes through feeder pipe 10 and the sour pond 1 of storage
Portion's connection；Flow control valve 11 is installed on feeder pipe 10.Because that pickling substance can be made constantly to be consumed in acid cleaning process, when long
Between using rear acid solution to the pickling reduced capability of stainless steel pipes 17, need to replace acid solution in time.By feed leakage bucket 9 to storing up sour pond
Buffer is added in 1, acid dip pickle can be improved to the pickling ability of stainless steel pipes 17, reduce the replacement frequency of acid solution.Together
When, used flow control valve 11 controls the additional amount of buffer, and the pH value of the acid solution in acid cleaning process can be made to maintain
Within the scope of the pickling of setting, the quality of pickling ensure that.
Referring to Fig. 1 and Fig. 3, connector includes the consistent collector of two structures 12 and current divider 13, collector 12 with point
Flowing device 13 includes supervisor 14, and one end of two supervisors 14 is connected on circulating line 2, and the other end is mounted on locating piece
15；The circular groove 16 being connected to supervisor 14,16 inner wall of circular groove and 17 outer wall of stainless steel pipes are offered on locating piece 15
It is respectively arranged with the screw thread to match.The quantity of circular groove 16 is 3, and circular groove 16 is with the central axes for being responsible for 14 respectively
Central axis, annular spread is on locating piece 15.1~3 stainless steel tube can be installed on current divider 13 by collector 12
Between connector, it can be blocked by bolt by being not required to circular groove 16 to be used, and 1~3 stainless steel may be implemented
Pickling while pipeline 17 improves the pickling efficiency to stainless steel pipes 17.
16 bottom of circular groove is provided with the rubber gasket to match with stainless steel pipes 17, can prevent from recycling
Make acid solution by being threadedly coupled gap leakage because pressure is excessive during pickling.
It as above is the embodiment of the present invention.Design parameter in above-described embodiment and embodiment is merely to understand table
Invention verification process is stated, the scope of patent protection being not intended to limit the invention, scope of patent protection of the invention is still with it
It is all to change with equivalent structure made by specification and accompanying drawing content of the invention subject to claims, it should all similarly wrap
Containing within the scope of the present invention.
Claims (7)
1. a kind of acid dip pickle for stainless steel pipes, it is characterised in that: described including storage acid pond (1) with cover and closed
It stores up sour pond (1) bottom and is provided with the circulating line (2) being connected to sour pond (1) inner cavity of storage, being provided on the circulating line (2) can
The connector that stainless steel pipes (17) are connected to circulating line (2)；Collecting tank (3) are provided at the top of the sour pond (1) of the storage,
The bottom of the collecting tank (3) is provided with drain pipe (4), the drain pipe (4) and storing up connect at the top of sour pond (1) and with storage acid pond
(1) inner cavity is connected to；The discharge end of the circulating line (2) is provided with porous filter screen (5), the discharge end of the circulating line (2)
Positioned at the top of collecting tank (3) interior liquid level；Circulating pump (6) are installed on the circulating line (2).
2. a kind of acid dip pickle for stainless steel pipes according to claim 1, it is characterised in that: the collecting tank
(3) it is closed container, is provided with exhaust pipe (7) at the top of the collecting tank (3)；Described exhaust pipe (7) one end and collecting tank (3)
Inner cavity connection, the other end are connected with absorption cell (8), and the outlet side of the exhaust pipe (7) is located under absorption cell (8) interior liquid level
Side.
3. a kind of acid dip pickle for stainless steel pipes according to claim 1, it is characterised in that: the sour pond of the storage
(1) top is provided with the feed leakage bucket (9) equipped with buffer, the top that the feed leakage bucket (9) passes through feeder pipe (10) and the sour pond (1) of storage
Portion's connection.
4. a kind of acid dip pickle for stainless steel pipes according to claim 3, it is characterised in that: the feeder pipe
(10) flow control valve (11) are installed on.
5. a kind of acid dip pickle for stainless steel pipes according to claim 1, it is characterised in that: the connector packet
Two consistent collectors of structure (12) and current divider (13) are included, the collector (12) and the current divider (13) include master
It manages (14), one end of two supervisors (14) is connected on circulating line (2), and the other end is mounted on locating piece
(15)；The circular groove (16) being connected to supervisor (14), circular groove (16) inner wall are offered on the locating piece (15)
The screw thread to match is respectively arranged with stainless steel pipes (17) outer wall.
6. a kind of acid dip pickle for stainless steel pipes according to claim 5, it is characterised in that: the circular groove
(16) quantity be 2~6, the circular groove (16) respectively using the central axes of supervisor (14) as center axis, annular spread in
On locating piece (15).
7. a kind of acid dip pickle for stainless steel pipes according to claim 6, it is characterised in that: the circular groove
(16) bottom is provided with the rubber gasket to match with stainless steel pipes (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811327159.9A CN109234750A (en) | 2018-11-08 | 2018-11-08 | A kind of acid dip pickle for stainless steel pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811327159.9A CN109234750A (en) | 2018-11-08 | 2018-11-08 | A kind of acid dip pickle for stainless steel pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109234750A true CN109234750A (en) | 2019-01-18 |
Family
ID=65077432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811327159.9A Pending CN109234750A (en) | 2018-11-08 | 2018-11-08 | A kind of acid dip pickle for stainless steel pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109234750A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2140014Y (en) * | 1992-09-21 | 1993-08-11 | 柳德胜 | Expanding jointing piece of pipeline |
| CN2236593Y (en) * | 1995-10-01 | 1996-10-02 | 张世忠 | Series connectors for pipeline |
| CN1239020A (en) * | 1999-06-24 | 1999-12-22 | 黄大信 | Apparatus and method for cleaning pipeline |
| CN201245709Y (en) * | 2008-09-04 | 2009-05-27 | 常熟市胜诺环保设备有限公司 | Closed cycle acidic bath |
| CN202259530U (en) * | 2011-09-21 | 2012-05-30 | 宁德新能源科技有限公司 | Device for removing bubbles in liquid |
| CN103721980A (en) * | 2013-12-17 | 2014-04-16 | 朱伟 | Small-diameter pipeline inner wall cleaning device and cleaning method thereof |
| CN203664283U (en) * | 2013-12-17 | 2014-06-25 | 朱伟 | Inner wall cleaning device for small-caliber pipelines |
| CN205669068U (en) * | 2016-05-18 | 2016-11-02 | 江苏省冶金设计院有限公司 | A kind of circulation flushing formula tubing acid dip pickle |
| CN207244004U (en) * | 2017-09-25 | 2018-04-17 | 常州亿富泰特钢有限公司 | A kind of pickling tube control system |
| CN108194740A (en) * | 2017-12-29 | 2018-06-22 | 中铁上海工程局集团有限公司 | For connecting the quick coupling device of Grouting Pipe and advanced tubule and installation method |
-
2018
- 2018-11-08 CN CN201811327159.9A patent/CN109234750A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2140014Y (en) * | 1992-09-21 | 1993-08-11 | 柳德胜 | Expanding jointing piece of pipeline |
| CN2236593Y (en) * | 1995-10-01 | 1996-10-02 | 张世忠 | Series connectors for pipeline |
| CN1239020A (en) * | 1999-06-24 | 1999-12-22 | 黄大信 | Apparatus and method for cleaning pipeline |
| CN201245709Y (en) * | 2008-09-04 | 2009-05-27 | 常熟市胜诺环保设备有限公司 | Closed cycle acidic bath |
| CN202259530U (en) * | 2011-09-21 | 2012-05-30 | 宁德新能源科技有限公司 | Device for removing bubbles in liquid |
| CN103721980A (en) * | 2013-12-17 | 2014-04-16 | 朱伟 | Small-diameter pipeline inner wall cleaning device and cleaning method thereof |
| CN203664283U (en) * | 2013-12-17 | 2014-06-25 | 朱伟 | Inner wall cleaning device for small-caliber pipelines |
| CN205669068U (en) * | 2016-05-18 | 2016-11-02 | 江苏省冶金设计院有限公司 | A kind of circulation flushing formula tubing acid dip pickle |
| CN207244004U (en) * | 2017-09-25 | 2018-04-17 | 常州亿富泰特钢有限公司 | A kind of pickling tube control system |
| CN108194740A (en) * | 2017-12-29 | 2018-06-22 | 中铁上海工程局集团有限公司 | For connecting the quick coupling device of Grouting Pipe and advanced tubule and installation method |
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Legal Events
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190118 |
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| RJ01 | Rejection of invention patent application after publication |