CN102011132A - Residual acid recovery device used for pipeline pickling - Google Patents
Residual acid recovery device used for pipeline pickling Download PDFInfo
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- CN102011132A CN102011132A CN 201010617460 CN201010617460A CN102011132A CN 102011132 A CN102011132 A CN 102011132A CN 201010617460 CN201010617460 CN 201010617460 CN 201010617460 A CN201010617460 A CN 201010617460A CN 102011132 A CN102011132 A CN 102011132A
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Abstract
The invention relates to the pipeline pickling field and provides a residual acid recovery device used for pipeline pickling. The residual acid recovery device comprises a recovery tank, a recovery pipe, an exhaust pipe and an acid waste pipe, wherein the recovery tank is a sealed cavity and is communicated with the outside through the recovery pipe, the exhaust pipe and the acid waste pipe, the bottom of the cavity of the recovery tank is provided with an adsorption layer, the adsorption layer is composed of plastic particles or plastic blocks; the outlet end of the recovery pipe points to the adsorption layer in the axial direction; the inlet end of the exhaust pipe is above the top surface of the adsorption layer; and the inlet end of the acid waste pipe is below the top surface of the adsorption layer. In the back stage of the recovery, acid mist enters through the recovery pipe and tends to rise, the plastic particles or plastic blocks tend to fall under the action of gravity and the two materials move along the opposite directions, thus the acid droplets in the acid mist are captured and collected, finally fall in the bottom of the recovery tank and are recovered through the acid waste pipe. Therefore, the aim of recovering and processing acid mist can be achieved; and the recovery device has the advantages of simple structure, low cost and high recovery efficiency. The recovery device in the invention is suitable for recovering acid liquor and acid mist after the pickling.
Description
Technical field
The present invention relates to the pipe pickling field, especially a kind of residual acid retrieving arrangement that is used for pipe pickling.
Background technology
Industrial pipeline all needs to clean before use, and the normal at present technology that adopts is online cycle pickling technology.In cleaning process, acid solution send sour device to send constantly in the pipeline to be cleaned by storage, removes the impurity and the stains such as iron rust of inner-walls of duct, and the acid solution of cleaning end conduit then flows back to storage and send sour device to recycle.
After finishing, pickling adopt air or nitrogen that acid solution residual in the pipeline is blown out, and by sour jar of recovery, but reclaiming latter stage, the gas of remaining acid solution and purging mixes the formation acid mist in the pipeline.Because acid mist is to discharge by means of the gas of 〉=0.6MPa, can be during discharge as the sprinkling of spring, be difficult to it is handled, all adopt direct discharging for acid mist at present, directly discharging has no directivity, and the consequence that it brought will be severe contamination atmosphere, surrounding soil, foundation of civil work and equipment; Simultaneously, directly discharge acid mist serious stimulation applications personnel of meeting and personnel's on the scene respiratory tract, unhealthful.
Summary of the invention
Technical problem to be solved by this invention provides and a kind ofly can remain acid solution and sweeping gas latter stage and mix the residual acid retrieving arrangement that is used for pipe pickling that the acid mist that forms recycles reclaiming.
The technical solution adopted for the present invention to solve the technical problems is: the residual acid retrieving arrangement that is used for pipe pickling, comprise withdrawing can, recovery tube, vapor pipe, ACID, described withdrawing can is the closed cavity structure and passes through recovery tube, vapor pipe, ACID and external communications, the cavity bottom of described withdrawing can is provided with adsorption layer, and described adsorption layer is made of plastic grain or unit of plastic; The end that described recovery tube links to each other with withdrawing can is an exit end, and the mouth of pipe of recovery tube exit end axially points to adsorption layer; Described vapor pipe, ACID are entrance end with the end that withdrawing can links to each other, and the vapor pipe entrance end mouth of pipe is positioned at the adsorption layer top face, the ACID entrance end mouth of pipe is positioned at adsorption layer end face below.
Further, described vapor pipe entrance end is communicated with the cavity top of withdrawing can.
Further, described withdrawing can is provided with liquid level detection device.
Further, described vapor pipe is provided with stopping valve.
Further, described recovery tube by reclaim that house steward, one group are arranged side by side and with reclaim the recovery arm that house steward is connected and constitute, describedly reclaim respectively that arm one end is communicated with withdrawing can respectively, the other end is communicated with the recovery house steward respectively.
Further, described adsorption layer is made of the plastics ball.
Further, described vapor pipe is made of exhaust-gas receiver, one group of exhaust branch pipe that is arranged side by side and is connected with exhaust-gas receiver, and described each exhaust branch pipe one end is communicated with withdrawing can respectively, the other end is communicated with exhaust-gas receiver respectively; Described ACID is made of acid discharge house steward, one group of acid discharge arm that is arranged side by side and is connected with the acid discharge house steward, and described each acid discharge arm one end is communicated with withdrawing can respectively, the other end is communicated with the acid discharge house steward respectively; The caliber of described exhaust branch pipe, acid discharge arm is all less than the external diameter of plastics ball; Described exhaust-gas receiver is provided with stopping valve.
Further, the described ACID entrance end mouth of pipe is positioned at the withdrawing can bottom sides, and described withdrawing can bottom surface is for being obliquely installed and lower-most point is positioned at the ACID mouth of pipe.
Further, be provided with the neutralization tank that is in communication with the outside, the exit end of the relative entrance end of described vapor pipe inserts in the neutralization tank and is communicated with part below the neutralization tank liquid level.
Further, described withdrawing can and neutralization tank are separated by dividing plate by same tank body.
The invention has the beneficial effects as follows: during use, the pipe outlet that withdrawing can is finished by recovery tube entrance end and pickling is communicated with, is communicated with the acid jar of pickler by the ACID exit end.The recovery initial stage, the acid solution that pushes in the pipeline that pickling finishes by gas enters withdrawing can, and directly acid solution is recycled in the acid jar by ACID, this moment, the acid solution amount was big, almost not having gas enters in the withdrawing can, discharge by vapor pipe for avoiding acid solution, the liquid level that the mode that best employing interruption ventilation pushes is kept in the withdrawing can is lower than the vapor pipe entrance end mouth of pipe, observe liquid level and emergency switching-off vapor pipe for convenience, further also withdrawing can is provided with liquid level detection device, vapor pipe is provided with stopping valve.
Along with the carrying out of removal process, enter that acid solution in the withdrawing can gradually reduces, gas progressively increases, enter withdrawing can until reclaiming the form of latter stage with acid mist.When acid mist when recovery tube enters into withdrawing can; acid mist can blow afloat plastic grain or the unit of plastic that constitutes adsorption layer; acid mist interacts in the withdrawing can cavity with plastic grain or unit of plastic; acid mist is tending towards rising and discharging by vapor pipe; plastic grain or unit of plastic gravitate are tending towards falling; form acid mist with the recoil between plastic grain or the unit of plastic; in both interaction processes; acid solution drop in the acid mist constantly is adsorbed on plastic grain or unit of plastic surface; the acid solution of identical and different plastic grains or unit of plastic surface adsorption is constantly gathered; final fall or fall to coming together in the withdrawing can bottom with plastic grain or unit of plastic; and then the acid solution of collecting is recycled to acid jar by ACID; the recovery of residual acid solution in the pickling pipeline after realization is finished pickling is especially to reclaiming the recycling that remains acid solution and sweeping gas mixing formation acid mist latter stage.This apparatus structure is simple, cost is low, the organic efficiency height.Remain acid solution and sweeping gas mixing formation acid mist latter stage in order further to reclaim, be provided with neutralization tank, by neutralization solution the gas that contains micro-acid solution after adsorbing is carried out neutralizing treatment, thoroughly avoided pollution, avoided influence operator and personnel health on the scene to atmosphere, surrounding soil, foundation of civil work and equipment.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
The present invention is further described below in conjunction with drawings and Examples.
As shown in Figure 1, the residual acid retrieving arrangement that is used for pipe pickling of the present invention, comprise withdrawing can 1, recovery tube 2, vapor pipe 3, ACID 4, described withdrawing can 1 is the closed cavity structure and passes through recovery tube 2, vapor pipe 3, ACID 4 and external communications, the cavity bottom of described withdrawing can 1 is provided with adsorption layer 5, and described adsorption layer 5 is made of plastic grain or unit of plastic; The end that described recovery tube 2 links to each other with withdrawing can 1 is an exit end, and the mouth of pipe of recovery tube 2 exit end axially points to adsorption layer 5; Described vapor pipe 3, ACID 4 are entrance end with the end that withdrawing can 1 links to each other, and the vapor pipe 3 entrance end mouths of pipe are positioned at adsorption layer 5 top face, the ACID 4 entrance end mouths of pipe are positioned at adsorption layer 5 end faces below.
During use, withdrawing can 1 is communicated with the pipe outlet that pickling is finished, is communicated with the acid jar of pickler by ACID 4 exit end by recovery tube 2 entrance ends.The recovery initial stage, the acid solution that pushes in the pipeline that pickling finishes by gas enters withdrawing can 1, and directly acid solution is recycled in the acid jar by ACID 4, this moment, the acid solution amount was big, almost not having gas enters in the withdrawing can 1, for avoiding acid solution to be discharged by vapor pipe 3, the liquid level that the mode that best employing interruption ventilation pushes is kept in the withdrawing can 1 is lower than the vapor pipe 3 entrance end mouths of pipe.
In order to increase the timed interval of being interrupted ventilation, further, described vapor pipe 3 entrance ends are communicated with the cavity top of withdrawing can 1.Observe the acid solution liquid level in the withdrawing can 1 for convenience, further, described withdrawing can 1 is provided with liquid level detection device.By the timed interval artificial or that adjustment automatically is interrupted ventilation, guarantee carrying out smoothly of removal process by liquid level detection device, shorten recovery time, the raising organic efficiency.Liquid level detection device can be liquid level sensor, liquid level tube etc., and in example as shown in the figure, described liquid level detection device is arranged on withdrawing can 1 lateral glass window longitudinally, and window is provided with scale.
For can be when acid solution pours in withdrawing can 1 emergency switching-off vapor pipe 3, further, described vapor pipe 3 is provided with stopping valve 33.
Along with the carrying out of removal process, enter that acid solution in the withdrawing can 1 gradually reduces, gas progressively increases, enter withdrawing can 1 until reclaiming the form of latter stage with acid mist.When acid mist when recovery tube 2 enters into withdrawing can 1; acid mist can blow afloat plastic grain or the unit of plastic that constitutes adsorption layer 5; acid mist interacts in withdrawing can 1 cavity with plastic grain or unit of plastic; acid mist is tending towards rising and discharges by vapor pipe 3; plastic grain or unit of plastic gravitate are tending towards falling; form acid mist with the recoil between plastic grain or the unit of plastic; in both interaction processes; acid solution drop in the acid mist constantly is adsorbed on plastic grain or unit of plastic surface; the acid solution of identical and different plastic grains or unit of plastic surface adsorption is constantly gathered; final fall or fall to coming together in withdrawing can 1 bottom with plastic grain or unit of plastic; and then the acid solution of collecting is recycled to acid jar by ACID 4; the recovery of residual acid solution in the pickling pipeline after realization is finished pickling is especially to reclaiming the recycling that remains acid solution and sweeping gas mixing formation acid mist latter stage.This apparatus structure is simple, cost is low, the organic efficiency height.The axial sensing adsorption layer 5 of recovery tube 2 exit end has guaranteed promptly that also the air-flow that recovery tube 2 ejects blows to adsorption layer 5, and then guarantees blowing afloat of plastic grain or unit of plastic.
In order to increase unit of plastic or the plastic grain quantity that is blown afloat, increase the useful area that absorbs acid mist, increase the captive probability of acid solution drop in the acid mist, described recovery tube 2 by reclaim that house steward 22, one group are arranged side by side and with reclaim the recovery arm 21 that house steward 22 is connected and constitute, describedly reclaim respectively that arm 21 1 ends are communicated with withdrawing can 1 respectively, the other end is communicated with recovery house steward 22 respectively.In example as shown in the figure, be arranged side by side the six roots of sensation and reclaimed arm 22.
The plastic grain surface-area is big, it is big to be blown afloat back kinetic energy, but discharge withdrawing can 1 with air-flow, acid solution stream easily, stop up vapor pipe 3 and ACID 4 easily, therefore each pipeline mouth of pipe all needs to be provided with filtration unit, and since plastic grain inter-adhesive easily after the acid solution in absorption, stick to withdrawing can 1 wall, stick to the inwall of each pipeline, reduced the quantity and the surface-area of actual absorption acid solution.Therefore, in example as shown in the figure, adopt unit of plastic.Further, described adsorption layer 5 is made of plastics ball 6, for the some contact, therefore can better avoid adhesion between the spheric unit of plastic, gap between ball and the ball is big simultaneously, can make things convenient for the air communication mistake, especially when initial start, in addition, sphere is compared with other shapes, the ratio maximum of volume and surface-area, and surface smoothing can make things convenient for gathering of acid solution drop.
Further, described vapor pipe 3 mouths of pipe be positioned at withdrawing can 1 and the mouth of pipe downward, acid mist backflow downwards after arriving withdrawing can 1 cavity top enters vapor pipe 3 again and discharges, and can further prolong the movement path of acid mist in withdrawing can 1, increases the captive probability of acid solution drop in the acid mist.
In order thoroughly to avoid plastics ball 6 to enter vapor pipe 3, ACID 4, described vapor pipe 3 is made of exhaust-gas receiver 32, one group of exhaust branch pipe 31 that is arranged side by side and is connected with exhaust-gas receiver 32, and described each exhaust branch pipe 31 1 end are communicated with withdrawing can 1 respectively, the other end is communicated with exhaust-gas receiver 32 respectively; Described ACID 4 is made of acid discharge house steward 42, one group of acid discharge arm 41 that is arranged side by side and is connected with acid discharge house steward 42, and described each acid discharge arm 41 1 end are communicated with withdrawing can 1 respectively, the other end is communicated with acid discharge house steward 42 respectively; The caliber of described exhaust branch pipe 31, acid discharge arm 41 is all less than the external diameter of plastics ball 6; Described exhaust-gas receiver 32 is provided with stopping valve 33.In example as shown in the figure, and reclaim that arm 21 adapts, vapor pipe 3 contains six roots of sensation exhaust branch pipe 31, and ACID 4 contains six roots of sensation acid discharge arm 41.
ACID 4 can be arranged at withdrawing can 1 bottom and concordant with its bottom surface, but in order further to reduce the possibility that unit of plastic enters ACID 4, make things convenient for acid discharge simultaneously, the described ACID 4 entrance end mouths of pipe are positioned at withdrawing can 1 bottom sides, and described withdrawing can 1 bottom surface is for being obliquely installed and lower-most point is positioned at ACID 4 mouths of pipe.
Further, be provided with the neutralization tank 7 that is in communication with the outside, the exit end of described vapor pipe 4 relative entrance ends inserts in the neutralization tank 7 and is communicated with part below neutralization tank 7 liquid levels, if exist a spot of acid mist not to be recovered, acid mist can enter neutralization tank 7 by vapor pipe 3 and neutralized this moment, thoroughly avoided the pollution of acid mist, avoided influence operator and personnel health on the scene to atmosphere, surrounding soil, foundation of civil work and equipment.
For simplified construction, described withdrawing can 1 and neutralization tank 7 are separated by dividing plate 9 by same tank body 8.
Claims (10)
1. the residual acid retrieving arrangement that is used for pipe pickling, it is characterized in that: comprise withdrawing can (1), recovery tube (2), vapor pipe (3), ACID (4), described withdrawing can (1) is the closed cavity structure and passes through recovery tube (2), vapor pipe (3), ACID (4) and external communications, the cavity bottom of described withdrawing can (1) is provided with adsorption layer (5), and described adsorption layer (5) is made of plastic grain or unit of plastic; The end that described recovery tube (2) links to each other with withdrawing can (1) is an exit end, and the mouth of pipe of recovery tube (2) exit end axially points to adsorption layer (5); The end that described vapor pipe (3), the same withdrawing can of ACID (4) (1) link to each other is entrance end, and vapor pipe (3) the entrance end mouth of pipe is positioned at adsorption layer (5) top face, ACID (4) the entrance end mouth of pipe is positioned at adsorption layer (5) end face below.
2. the residual acid retrieving arrangement that is used for pipe pickling as claimed in claim 1 is characterized in that: described vapor pipe (3) entrance end is communicated with the cavity top of withdrawing can (1).
3. the residual acid retrieving arrangement that is used for pipe pickling as claimed in claim 2 is characterized in that: described withdrawing can (1) is provided with liquid level detection device.
4. the residual acid retrieving arrangement that is used for pipe pickling as claimed in claim 3 is characterized in that: described vapor pipe (3) is provided with stopping valve (33).
5. the residual acid retrieving arrangement that is used for pipe pickling as claimed in claim 1, it is characterized in that: described recovery tube (2) by reclaim that house steward (22), one group are arranged side by side and with reclaim the recovery arm (21) that house steward (22) is connected and constitute, describedly reclaim respectively that arm (21) one ends are communicated with withdrawing can (1) respectively, the other end is communicated with recovery house steward (22) respectively.
6. as claim 1,2,3, the 4 or 5 described residual acid retrieving arrangements that are used for pipe pickling, it is characterized in that: described adsorption layer (5) is made of plastics ball (6).
7. the residual acid retrieving arrangement that is used for pipe pickling as claimed in claim 6, it is characterized in that: described vapor pipe (3) is made of exhaust-gas receiver (32), one group of exhaust branch pipe (31) that is arranged side by side and is connected with exhaust-gas receiver (32), and described each exhaust branch pipe (31) one end are communicated with withdrawing can (1) respectively, the other end is communicated with exhaust-gas receiver (32) respectively; Described ACID (4) is made of acid discharge house steward (42), one group of acid discharge arm (41) that is arranged side by side and is connected with acid discharge house steward (42), and described each acid discharge arm (41) one end are communicated with withdrawing can (1) respectively, the other end is communicated with acid discharge house steward (42) respectively; The caliber of described exhaust branch pipe (31), acid discharge arm (41) is all less than the external diameter of plastics ball (6); Described exhaust-gas receiver (32) is provided with stopping valve (33).
8. the residual acid retrieving arrangement that is used for pipe pickling as claimed in claim 7, it is characterized in that: described ACID (4) the entrance end mouth of pipe is positioned at withdrawing can (1) bottom sides, and described withdrawing can (1) bottom surface is for being obliquely installed and lower-most point is positioned at ACID (4) mouth of pipe.
9. as claim 1,2,3, the 4 or 5 described residual acid retrieving arrangements that are used for pipe pickling, it is characterized in that: be provided with the neutralization tank (7) that is in communication with the outside, described vapor pipe (4) the relatively exit end of entrance end inserts in the neutralization tank (7) and is communicated with the following part of neutralization tank (7) liquid level.
10. the residual acid retrieving arrangement that is used for pipe pickling as claimed in claim 9 is characterized in that: described withdrawing can (1) and neutralization tank (7) are separated by dividing plate (9) by same tank body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106174600A CN102011132B (en) | 2010-12-31 | 2010-12-31 | Residual acid recovery device used for pipeline pickling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106174600A CN102011132B (en) | 2010-12-31 | 2010-12-31 | Residual acid recovery device used for pipeline pickling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102011132A true CN102011132A (en) | 2011-04-13 |
| CN102011132B CN102011132B (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010106174600A Active CN102011132B (en) | 2010-12-31 | 2010-12-31 | Residual acid recovery device used for pipeline pickling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115287661A (en) * | 2022-08-23 | 2022-11-04 | 广州安博新能源科技有限公司 | Pickling device for producing and welding high-power module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10006990A1 (en) * | 1999-03-22 | 2000-09-28 | Andritz Patentverwaltung | Acid is recovered from metal-containing solutions, e.g. spent pickling solutions, using jet scrubbers for dust and acid vapor removal from pyrolytic decomposition reactor off-gas |
| CN101328587A (en) * | 2008-08-01 | 2008-12-24 | 天津二十冶建设有限公司 | Hydraulic tubing three-in-one acid cleaning process |
| CN201172691Y (en) * | 2008-01-30 | 2008-12-31 | 重庆三峰卡万塔环境产业有限公司 | Pipe circling pickler |
| CN101637768A (en) * | 2009-08-26 | 2010-02-03 | 中冶集团华冶资源开发有限责任公司 | Pipeline cleaning method |
| CN201459241U (en) * | 2009-07-29 | 2010-05-12 | 中冶实久建设有限公司 | Environmental-friendly on-line pickling unit |
-
2010
- 2010-12-31 CN CN2010106174600A patent/CN102011132B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10006990A1 (en) * | 1999-03-22 | 2000-09-28 | Andritz Patentverwaltung | Acid is recovered from metal-containing solutions, e.g. spent pickling solutions, using jet scrubbers for dust and acid vapor removal from pyrolytic decomposition reactor off-gas |
| CN201172691Y (en) * | 2008-01-30 | 2008-12-31 | 重庆三峰卡万塔环境产业有限公司 | Pipe circling pickler |
| CN101328587A (en) * | 2008-08-01 | 2008-12-24 | 天津二十冶建设有限公司 | Hydraulic tubing three-in-one acid cleaning process |
| CN201459241U (en) * | 2009-07-29 | 2010-05-12 | 中冶实久建设有限公司 | Environmental-friendly on-line pickling unit |
| CN101637768A (en) * | 2009-08-26 | 2010-02-03 | 中冶集团华冶资源开发有限责任公司 | Pipeline cleaning method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115287661A (en) * | 2022-08-23 | 2022-11-04 | 广州安博新能源科技有限公司 | Pickling device for producing and welding high-power module |
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| CN102011132B (en) | 2012-06-27 |
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