CN201952495U - Circular pickler of pipes - Google Patents
Circular pickler of pipes Download PDFInfo
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- CN201952495U CN201952495U CN2010206935274U CN201020693527U CN201952495U CN 201952495 U CN201952495 U CN 201952495U CN 2010206935274 U CN2010206935274 U CN 2010206935274U CN 201020693527 U CN201020693527 U CN 201020693527U CN 201952495 U CN201952495 U CN 201952495U
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Abstract
The utility model relates to the field of pipe pickling and provides a circular pickler of pipes, wherein an air pipe and an acid supply pipe are communicated with an inlet header through an inlet switching valve; an acid return pipe and a recovery pipe are communicated with an outlet header through an outlet switching valve; the other end of the recovery pipe is communicated with a recovery tank; the recovery tank is communicated with outside through an exhaust pipe and with an acid tank through an acid discharge pipe; and the bottom of the recovery tank is provided with an absorption layer formed by plastic particles or plastic blocks. The mouth of the recovery pipe is axially directed at the absorption layer, the mouth of the exhaust pipe is above the top of the absorption layer, and the mouth of the acid discharge pipe is below the top of the absorption layer. After pickling, the total acid mist formed during recovery process blows up the absorption layer, and drops of acid liquor in the acid mist are captured and collected, finally fall down and converge at the bottom of the recovery tank and are recovered by the recovery pipe. The pickler realizes the purpose of recovering and treating acid mist, prevents pollution, is simple in structure and low in use and manufacturing cost, and applicable to the circular cleaning of pipes.
Description
Technical field
The utility model relates to the pipe pickling field, especially a kind of pipeline cycle pickling device.
Background technology
Industrial pipeline all needs to clean before use, and the normal at present technology that adopts is online cycle pickling technology.Pipeline cycle pickling device comprises acid jar, sour pump, and by sending acid tube, time acid tube to be communicated with pipeline to be cleaned gangway, sour pump is arranged on and send on the acid tube acid jar respectively.In cleaning process, acid solution is sent constantly in the pipeline to be cleaned through sending acid tube by sour pump, 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 sour jar through time acid tube and recycles.After pickling finishes, air or nitrogen sent into through tracheae clean the pipeline that finishes, pipeline is purged, the most of acid solution in the pipeline is blown out by gas.
But there is the problem of following several respects in present pipeline cycle pickling device:
One, sour pump all is arranged in sour pot bottom or is arranged in parallel with acid jar and is positioned over foundation of civil work or on the ground big, also is that the installation site of sour pump all is lower than the liquid level in the acid jar, and therefore the acid tube that send between sour pump and the acid jar is full of acid solution for a long time.But sour pump is mechanical seal; in work and stopping process, all can leak out the part acid solution from sealing; especially after mechanical seal has wearing and tearing slightly; leak more serious; even send the sealing of each coupling flange of acid tube, time acid tube also to cause acid liquor leakage because of washed away by acid solution through regular meeting, and the acid solution of revealing can be polluted civil engineering ground, the earth and equipment.
Two, adopt air or nitrogen that acid solution residual in the pipeline is blown out after pickling finishes, 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.
Three, in the cycle pickling process, the acid solution flow is very big, and the while foreign matter content is also big, and therefore common strainer can not satisfy the filtration of reclaiming acid solution, at present, reclaims acid solution and directly is recycled to sour jar usually.Therefore, usually after a large amount of impurity in the pipeline and iron rust are cleaned out by acid solution, can be brought in the acid jar, along with these impurity of operation and the iron rust of sour pump can be sucked and deliver in the pipeline by sour pump again along with acid solution, cause the secondary pollution in the pipe, and then influence next step cleaning.
Therefore, present pipeline cycle pickling device pollutes greatly, for preventing to pollute, avoids the influence to operator ' s health, and the protection cost of personnel, civil engineering, equipment is high; The secondary pollution that acid solution impurity causes has increased the handling procedure after the pickling, also increases and cleans cost, and therefore, present pipeline cycle pickling use cost is high.
The utility model content
Technical problem to be solved in the utility model provides a kind of can avoiding and pollutes the pipeline cycle pickling device that use cost is low.
The technical scheme that its technical problem that solves the utility model adopts is: pipeline cycle pickling device, comprise acid jar, is communicated with acid jar respectively send acid tube and time acid tube, be arranged on the sour pump that send on the acid tube, pressurized gas source of the gas, the tracheae that is communicated with source of the gas, be provided with residual acid retrieving arrangement, intake header, outlet header, described residual acid retrieving arrangement comprises closed cavity type withdrawing can, recovery tube, vapor pipe, ACID; Described tracheae, send acid tube all to be communicated with intake header by the import switching valve, described time acid tube, recovery tube all are communicated with the outlet header by the outlet switching valve, and the described recovery tube the other end is communicated with withdrawing can; Described withdrawing can is by vapor pipe and external communications, jar be communicated with by ACID and acid; 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; Link to each other with the withdrawing can axial sensing adsorption layer of an end mouth of pipe of described recovery tube, described vapor pipe is positioned at the adsorption layer top face with the withdrawing can end mouth of pipe that links to each other, and described ACID is positioned at adsorption layer end face below with the withdrawing can end mouth of pipe that links to each other.
Further, described vapor pipe entrance end is communicated with the cavity top of withdrawing can; Described withdrawing can is provided with liquid level detection device.
Further, described vapor pipe is provided with stopping valve.
Further, described adsorption layer is made of the plastics ball piece.
Further, described recovery tube is made of recovery house steward, one group of recovery arm that is arranged side by side and is connected with the recovery house steward, describedly reclaim respectively that arm one end is communicated with withdrawing can respectively, the other end respectively with reclaim house steward and be communicated with, described recovery house steward's the other end is communicated with the outlet header through exporting switching valve; 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, 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, and described acid discharge house steward's the other end is communicated with the acid jar; 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, be provided with the neutralization tank that is in communication with the outside, described vapor pipe inserts in the neutralization tank away from an end of withdrawing can and is communicated with part below the neutralization tank liquid level; Described withdrawing can and neutralization tank are separated by dividing plate by same tank body.
Further, described sour ullage chamber is two portions by barrier partitions, and wherein a part is a filtering chamber for storage sour chamber, another part, is communicated with, cuts off by baffle plate between the bottom by connecting passage between described storage acid chamber and the filtering chamber top; The described acid tube that send is communicated with the sour chamber of storage, and described recovery tube, time acid tube are communicated with filtering chamber; Be provided with the individual sieve plate that comprises filter screen of n (n 〉=1) in filtering chamber, described filtering chamber is divided into the individual filter pocket of n+1 (n 〉=1) by sieve plate; Along the acid solution flow direction, the mesh aperture of each sieve plate filter screen successively decreases; Described recovery tube, time acid tube are communicated with the filter pocket adjacent with sour pot sidewall.
Further, described sieve plate comprises plate body and filter screen, and described plate body is fixed on the sour tank skin, and is provided with opening bottom the plate body, and described filter screen is fixed in plate body and covers the plate body opening.
Further, along the acid solution flow direction, each plate body open height is successively decreased, and is lower than the height of connecting passage bottom with the plate body open height of the adjacent sieve plate of baffle plate.
Further, be provided with the acid filling disc of cavity type in the position that is higher than sour jar liquid surface, the cavity top of acid filling disc is installed and be positioned to described sour pump by acid filling disc, is communicated with by connecing acid tube between described acid filling disc cavity and the acid jar filtering chamber; Send the liquid injection tube that also is provided with check valve, at least one vent valve on the acid tube, is provided with stopping valve between described sour pump and the acid jar, wherein liquid injection tube and vent valve are arranged at sending on the acid tube between check valve and the sour pump respectively, and check valve is positioned at below the sour jar liquid surface, and vent valve is arranged at the vertex that send acid tube between sour pump and the check valve respectively.
The beneficial effects of the utility model are: during use, at first intake header, outlet header are linked to each other with entrance end, the exit end of pipeline to be cleaned by temporary pipeline respectively, cut off being connected, opening and send being connected of acid tube and intake header of tracheae and intake header by the import switching valve, by exporting being connected, opening back being connected of acid tube and outlet header of switching valve cut-out recovery tube and outlet header.Open sour pump then, the acid solution in the sour jar is extracted out and sent in the pipeline to be cleaned through sending acid tube and intake header by sour pump, acid solution is through being returned in sour jar by outlet header and time acid tube behind the pipeline to be cleaned.
After cycle pickling is finished, close sour pump, open being connected, closing and send being connected of acid tube and intake header of tracheae and intake header by the import switching valve, being connected, closing back being connected of acid tube and outlet header by outlet switching valve unlatching recovery tube and outlet header.Open the stopping valve on the tracheae then, in the pipeline of pressurized gas after tracheae and intake header are sent constantly into pickling, in the intact pipeline of pickling residual acid solution under pressurized gas pushes by the outlet header, return acid tube and enter withdrawing can.At the recovery initial stage, the acid solution amount is big, does not almost have gas and enters in the withdrawing can, directly by ACID acid solution is recycled in the acid jar, is discharged by vapor pipe for avoiding acid solution, preferably is interrupted ventilation and pushes.In order to increase the timed interval of being interrupted ventilation, convenience makes things convenient for emergency switching-off vapor pipe when acid solution pours in withdrawing can to the monitoring of level condition in the withdrawing can, and vapor pipe is communicated with withdrawing can cavity top, and liquid level detection device is set on withdrawing can, 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.Acid mist is after recovery tube enters withdrawing can; the plastic grain or the unit of plastic that constitute adsorption layer are blown afloat; acid mist is tending towards rising and discharging by vapor pipe; plastic grain or unit of plastic gravitate are tending towards falling; formation recoil effect; acid solution drop in the acid mist constantly is adsorbed on plastic grain or unit of plastic surface and constantly gathers; 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.Therefore, can prevent to pollute and avoid influence, greatly reduce the protection cost of personnel, civil engineering, equipment, reduce the acid solution loss by recovery to acid solution in the acid mist to operator ' s health, therefore use cost is low, and this apparatus structure is simple, cost of manufacture is low.And further thoroughly avoided the pollution of acid mist to atmosphere, surrounding soil, foundation of civil work and equipment by being provided with of neutralization tank, avoided influence to operator and personnel health on the scene.
By in the acid jar, baffle plate, sieve plate being set, reclaim acid solution and at first enter filtering chamber by returning acid tube, impurity is subjected to baffle plate to stop that sedimentation, liquid are diffused in the sour chamber of storage by the top connecting passage, it is big and influenced by foreign matter content little that filtration yield is filtered in sedimentation, therefore can adapt to the big flow of circulation acid solution, big foreign matter content filtration, can effectively avoid secondary pollution, the handling procedure after the simplification acid solution reduces use cost.
The acid pump is higher than sour jar liquid surface, therefore can avoid pipeline, the pump housing to be full of acid solution for a long time, can effectively reduce the probability that leakage takes place, even and leak, the acid solution of leaking also can be by acid filling disc, connect acid tube returns acid jar, prevents to reveal the pollution of acid solution to civil engineering ground, the earth and equipment.And the generation of finding time can be effectively avoided in the setting of check valve, vent valve, liquid injection tube, guarantees the extraction of acid solution, the trouble-free operation of acid cleaning process.
Description of drawings
Fig. 1 is a pipeline connection diagram of the present utility model;
Fig. 2 is the structure diagram of the utility model acid jar part;
Fig. 3 is the structure diagram of the utility model acid mist retrieving arrangement.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As Fig. 1, Fig. 2, shown in Figure 3, pipeline cycle pickling device of the present utility model, comprise acid jars 10, is communicated with acid jars 10 respectively send acid tube 11 and time acid tube 12, be arranged on the sour pump 13 that send on the acid tube 11, pressurized gas source of the gas, the tracheae 41 that is communicated with source of the gas, be provided with residual acid retrieving arrangement, intake header 42, outlet header 43, described residual acid retrieving arrangement comprises closed cavity type withdrawing can 20, recovery tube 21, vapor pipe 22, ACID 23; Described tracheae 41, send acid tube 11 all to be communicated with intake header 42 by import switching valve 44, described time acid tube 12, recovery tube 21 all are communicated with outlet header 43 by outlet switching valve 45, and described recovery tube 21 the other ends are communicated with withdrawing can 20; Described withdrawing can 1 by vapor pipe 22 with external communications, be communicated with sour jar 10 by ACID 23; The cavity bottom of described withdrawing can 20 is provided with adsorption layer 24, and described adsorption layer 24 is made of plastic grain or unit of plastic; Link to each other with the withdrawing can 20 axial sensing adsorption layer 24 of an end mouth of pipe of described recovery tube 21, described vapor pipe 22 is positioned at adsorption layer 24 top face with withdrawing can 20 continuous end mouths of pipe, and described ACID 23 is positioned at adsorption layer 24 end faces below with withdrawing can 20 continuous end mouths of pipe.
The valve group that import switching valve 44, outlet switching valve 45 can adopt stopping valve to form constitutes, and in example as described in Figure, adopt three-way switch valve, but pipe-line maintenance for convenience also is respectively arranged with stopping valve on each pipeline.According to the difference of service condition, source of the gas can adopt compressed gas gas cylinder, compressor etc., and gaseous media can adopt air, nitrogen and other rare gas element etc.
During use, at first intake header 42, outlet header 43 are linked to each other with entrance end, the exit end of pipeline to be cleaned by temporary pipeline respectively, cut off being connected, opening and send being connected of acid tube 11 and intake header 42 of tracheaes 41 and intake header 42 by import switching valve 44, by exporting being connected, opening back being connected of acid tube 12 and outlet header 43 of switching valve 45 cut-out recovery tube 21 and outlet header 43.Open sour pump 13 then, the acid solution in the sour jar 10 is extracted out and sent in the pipeline to be cleaned through sending acid tube 11 and intake header 42 by sour pump 13, acid solution is through being returned in sour jar 10 by outlet header 43 and time acid tube 12 behind the pipeline to be cleaned.
After cycle pickling is finished, close sour pump 13, open being connected, closing and send being connected of acid tube 11 and intake header 42 of tracheaes 41 and intake header 42 by import switching valve 44, being connected, closing back being connected of acid tube 12 and outlet header 43 by outlet switching valve 45 unlatching recovery tube 21 and outlet header 43.Open the stopping valve on the tracheae 41 then, in the pipeline of pressurized gas after tracheae 41 and intake header 42 are sent constantly into pickling, in the intact pipeline of pickling residual acid solution under pressurized gas pushes by outlet header 43, return acid tube 21 and enter withdrawing can 20.The recovery initial stage, the acid solution amount is big, almost not having gas enters in the withdrawing can 20, directly acid solution is recycled in the acid jar 10 by ACID 23, discharge by vapor pipe 22 for avoiding acid solution, 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 22 entrance end mouths of pipe, also is that the stopping valve discontinuity of tracheae 41 is opened.
In order to increase the timed interval and the convenient monitoring to level condition in the withdrawing can 20 that is interrupted ventilation, further, described vapor pipe 22 entrance ends are communicated with the cavity top of withdrawing can 20; Described withdrawing can 20 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 20 lateral glass windows longitudinally, and window is provided with scale.For can be when acid solution pours in withdrawing can 20 emergency switching-off vapor pipe 22, further, described vapor pipe 22 is provided with stopping valve 26.
Along with the carrying out of removal process, enter that acid solutions in the withdrawing can 20 gradually reduce, gas progressively increases, enter withdrawing can 20 until reclaiming the form of latter stage with acid mist.When acid mist when recovery tube 21 enters into withdrawing can 20; acid mist can blow afloat plastic grain or the unit of plastic that constitutes adsorption layer 24; acid mist interacts in withdrawing can 20 cavitys with plastic grain or unit of plastic; acid mist is tending towards rising and discharges by vapor pipe 22; 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 20 bottoms with plastic grain or unit of plastic; and then the acid solution of collecting is recycled to acid jars 10 by ACID 23; 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.The axial sensing adsorption layer 24 of recovery tube 21 exit end has guaranteed promptly that also the air-flow that recovery tube 21 ejects blows to adsorption layer 24, and then guarantees blowing afloat of plastic grain or unit of plastic.Therefore, can prevent to pollute and avoid influence, greatly reduce the protection cost of personnel, civil engineering, equipment, reduce the acid solution loss by recovery to acid solution in the acid mist to operator ' s health, therefore use cost is low, and this apparatus structure is simple, cost of manufacture is low.
The plastic grain surface-area is big, it is big to be blown afloat back kinetic energy, but discharge withdrawing can 20 with air-flow, acid solution stream easily, stop up vapor pipe 22 and ACID 23 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 20 walls, 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 24 is made of plastics ball piece 25, for some contact, so can better avoid adhesion between ball and the ball, 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.
In order to improve the distribution of acid mist in withdrawing can 20 cavitys, the quantity of the plastics ball piece 25 that increase is blown afloat, increase the useful area of absorption acid mist, increase the captive probability of acid solution drop in the acid mist, avoid plastics ball piece 25 to blow out withdrawing can 20 with air-flow, further, described recovery tube 21 is by reclaiming house steward 21b, one group of recovery arm 21a that is arranged side by side and is connected with recovery house steward 21b constitutes, described arm 21a one end that respectively reclaims is communicated with withdrawing can 20 respectively, the other end is communicated with recovery house steward 21b respectively, and the other end of described recovery house steward 21b is communicated with outlet header 43 through outlet switching valve 45; Described vapor pipe 22 is made of exhaust-gas receiver 22b, one group of exhaust branch pipe 22a that is arranged side by side and is connected with exhaust-gas receiver 22b, and described each exhaust branch pipe 22a one end is communicated with withdrawing can 20 respectively, the other end is communicated with exhaust-gas receiver 22b respectively; Described ACID 23 is made of acid discharge house steward 23b, one group of acid discharge arm 23a that is arranged side by side and is connected with acid discharge house steward 23b, described each acid discharge arm 23a one end is communicated with withdrawing can 20 respectively, the other end is communicated with acid discharge house steward 23b respectively, and the other end of described acid discharge house steward 22b is communicated with acid jar 10; The caliber of described exhaust branch pipe 22a, acid discharge arm 23a is all less than the external diameter of plastics ball 25; Described exhaust-gas receiver 22b is provided with stopping valve 26.In example as shown in the figure, exhaust branch pipe 22a, recovery arm 21a, acid discharge arm 23a are provided with the six roots of sensation.
Further, exhaust branch pipe 22a stretch in the withdrawing can 20 and the mouth of pipe downward, acid mist backflow downwards after arriving withdrawing can 20 cavity tops enters exhaust branch pipe 22a again and discharges, and therefore can further prolong the movement path of acid mist in withdrawing can 20, increases the captive probability of acid solution drop in the acid mist.ACID 23 can be arranged at withdrawing can 20 bottoms and concordant with its bottom surface, but in order further to subtract the possibility that plastics ball piece 25 enters ACID 23, make things convenient for acid discharge simultaneously, the described acid discharge arm 23a entrance end mouth of pipe is positioned at withdrawing can 20 bottom sides, and described withdrawing can 20 bottom surfaces are for being obliquely installed and lower-most point is positioned at the acid discharge arm 23a mouth of pipe.
Further, be provided with the neutralization tank 27 that is in communication with the outside, described vapor pipe 22 inserts in the neutralization tank 27 away from an end of withdrawing can 20 and is communicated with part below neutralization tank 27 liquid levels; Described withdrawing can 20 and neutralization tank 27 are separated by dividing plate 29 by same tank body 28.Carry out neutralizing treatment by neutralization solution to being adsorbed the gas that contains micro-acid solution after layer 24 adsorbs, thoroughly avoided pollution, avoided influence operator and personnel health on the scene to atmosphere, surrounding soil, foundation of civil work and equipment.
In order further to reduce use cost, avoid secondary pollution, processing moulding after the simplification pickling, described acid jar 10 cavitys are divided into two portions by baffle plate 14, wherein a part of for the sour chamber 10a of storage, another part are filtering chamber 10b, pass through to cut off by baffle plate 14 between connecting passage 10c connection, the bottom between described storage acid chamber 10a and the filtering chamber 10b top; The described acid tube 11 that send is communicated with the sour chamber 10a of storage, and described recovery tube 21, time acid tube 12 are communicated with filtering chamber 10b.Setting by baffle plate 14, reclaim acid solution and at first enter filtering chamber 10a by returning acid tube 12, impurity is subjected to baffle plate 14 to stop that sedimentation, liquid are diffused in the sour chamber 10a of storage by top connecting passage 10c, it is big and influenced by foreign matter content little that filtration yield is filtered in sedimentation, therefore can adapt to the big flow of circulation acid solution, big foreign matter content filters.The liquid level that stores up in the sour chamber 10a is controlled by sour pump 13.Further, be provided with the individual sieve plate 15 that comprises filter screen 15a of n (n 〉=1) in filtering chamber 10b, described filtering chamber 10b is divided into the individual filter pocket 16 of n+1 (n 〉=1) by sieve plate 15; Along the acid solution flow direction, the mesh aperture of each sieve plate 15 filter screen 15a successively decreases; Described recovery tube 21, time acid tube 11 are communicated with the filter pocket 16 adjacent with acid jar 10 sidewalls.Suspended impurity, the impurity that is floated by the drive of liquid stream are all stopped by sieve plate 15, have avoided it to enter the sour chamber 10a of storage, reduce the sedimentation impurity level simultaneously, accelerate settling efficiency.Filter screen 15a step by step filters can avoid the influence of impurity to filtration yield, adapts to the use of big flow, big foreign matter content.
Above-mentioned sieve plate 15 can only be made of filter screen 15a, but in order to play the choked flow effect by 15 pairs of acid solution liquid of sieve plate stream, thereby reduce the acid solution flow velocity, improve the acid solution fluidised form, minimizing is driven the amount of impurities that floats by liquid stream, accelerates settling efficiency, further, described sieve plate 15 comprises plate body 15b and filter screen 15a, described plate body 15b is fixed on acid jar 10 walls, and is provided with opening 15c bottom the plate body 15b, and described filter screen 15a is fixed in plate body 15b and covers plate body 15b opening 15c.Reclaim acid solution and enter next stage filter pocket 16 by upper level filter pocket 16 by sieve plate 15 bottom opening 15c.The mesh aperture that quantity, filter screen 15a are set of sieve plate 15 can be provided with according to concrete foreign matter content, size distribution, pipeline cleaning requirement etc.In example as shown in the figure, be provided with two sieve plate 15, the mesh aperture of the sieve plate 15 filter screen 15as adjacent with acid jar 10 sidewalls is 5mm, the mesh aperture of the sieve plate 15 filter screen 15as adjacent with baffle plate 14 is 2mm.
When reclaiming acid solution filtration unit works better, reclaim acid solution and at first enter filtering chamber 10b by returning acid tube 12, impurity is subjected to baffle plate 14 to stop that sedimentation, liquid are diffused in the sour chamber 10a of storage by top connecting passage 10c, stores up acid solution in the sour chamber 10a and is extracted out its liquid levels by sour pump 13 and be lower than acid solution liquid level in the filtering chamber 10b.Therefore, the acid solution liquid level in each filter pocket 16 of filtering chamber 10b maintains an equal level with connecting passage 10c bottom at least, and therefore in order to guarantee the filtration step by step of 15 pairs of acid solutions of sieve plate, described sieve plate 15 highly is higher than connecting passage 10c bottom.Because the variation that the fluctuation of acid solution flow, impurity stop up filter screen 15a situation, acid solution liquid level between each sieve plate 15 in the filter pocket 16 is fluctuation, and want the height of precise definition sieve plate 15 to cover sieve plate 15 thoroughly to avoid acid solution, computation process is comparatively complicated.Therefore, further, described sieve plate 15 plate body 15b tops link to each other with acid jar 10 end faces respectively, can avoid each filter pocket 16 interior acid solution to cover adjacent sieve plate 15 fully and diffuse in the adjacent filter pocket 16.
Acid solution is diffused in the sour chamber 10a of storage by the top connecting passage, acid solution in upper level filter pocket 16 directly diffuses in after through filter screen 15a in the sour chamber 10a of storage, simultaneously in order to guarantee that filter pockets 16 at different levels play the filtering effect of sedimentation simultaneously, enhancing is to the choked flow of liquid stream, minimizing is with the impurity level of liquid stream come-up, along the acid solution flow direction, each plate body 15b opening 15c highly successively decreases, and highly is lower than the height of connecting passage 10c bottom with the plate body 15a opening 15c of baffle plate 14 adjacent sieve plate 15.
In order further to improve the acid solution fluidised form, avoid liquid stream to directly the washing away of filter screen 15a, described time acid tube 12 mouth of pipe with and the opening 15c of the acid jar adjacent sieve plate 15 of the 10 sidewalls setting of staggering.
The connecting passage 10c that sour chamber 10a and filtering chamber 10b are stored up in above-mentioned connection can be made of through hole, the window on baffle plate 14 tops, for simplified construction, concrete, be provided with the gap between described baffle plate 14 and acid jar 10 end faces, and constitute connecting passage 10c by described gap.
In order further to reduce because acid solution loss and the pollution that acid liquor leakage causes, be provided with the acid filling disc 30 of cavity type in the position that is higher than acid jar 10 liquid levels, the cavity top of acid filling disc 30 installed and is positioned at by described sour pump 13 by acid filling disc 30, be communicated with by connecing acid tube 31 between described acid filling disc 30 cavitys and the acid jar 10 filtering chamber 10b; Send the liquid injection tube 19 that also is provided with check valve 17, at least one vent valve 18 on the acid tube 11, is provided with stopping valve between described sour pump 13 and the acid jars 10, wherein liquid injection tube 19 and vent valve 18 are arranged at sending on the acid tube 11 between check valve 17 and the sour pump 13 respectively, and check valve 17 is positioned at below acid jar 10 liquid levels, and vent valve 18 is arranged at the vertex that send acid tube 11 between sour pump 13 and the check valve 17 respectively.Acid pump 13 is higher than acid jar 10 liquid levels, therefore can avoid pipeline, the pump housing to be full of acid solution for a long time, can effectively reduce the probability that leakage takes place, even and leak, the acid solution of leaking also can be by acid filling disc 30, connect acid tube 31 returns acid jars 10, thoroughly avoid the leakage of acid solution, prevent to reveal the pollution of acid solution civil engineering ground, the earth and equipment.
For simplified construction, in example as shown in the figure, described sour pump 13 is installed in acid jar 10 tops by acid filling disc 30; The described acid tube 31 that connects is vertical straight tube that is provided with, and an end that connects acid tube 31 is communicated with acid filling disc 30 cavitys bottom, the other end inserts in the acid jar 10.
The shape of sending acid tube 11 can be arbitrarily, for simplified construction, in example as shown in the figure, the acid tube 11 that send between described sour pump 13 and the acid jars 10 is the L type that comprises horizontal section 11a and vertical section 11b, and wherein horizontal section 11a is positioned at that acid is jars 10 outer, vertical section 11b vertically inserts acid jars 10.Send acid tube 11 to insert in the acid jar 10, can effectively avoid sending in the acid tube 11 owing to be full of the leakage that acid solution causes for a long time by vertical section 11b.
Concrete, in example as shown in the figure, being provided with a vent valve 18 in the junction of horizontal section 11a and vertical section 11b, described liquid injection tube 19 is arranged at horizontal section 11a.During fluid injection, liquid at first is full of vertical section 11b, therefore under the prerequisite that a vent valve 18 only is set, can guarantee the thorough discharge of gas in the pipe, simplifies the structure.
In example as shown in the figure, above-mentioned import switching valve 44, outlet switching valve 45, each stopping valve are manual valve.Also can be by automatic control system is set, and liquid level detection device is set to liquid level sensor, and each control valve is set to electropneumatic valve, by automatic control system acid cleaning process controlled automatically, further simplify acid cleaning process, reduce the human cost of acid cleaning process.
Claims (10)
1. pipeline cycle pickling device, comprise acid jar (10), is communicated with acid jar (10) respectively send acid tube (11) and time acid tube (12), be arranged on the sour pump (13) that send on the acid tube (11), pressurized gas source of the gas, the tracheae (41) that is communicated with source of the gas, it is characterized in that:
Be provided with residual acid retrieving arrangement, intake header (42), outlet header (43), described residual acid retrieving arrangement comprises closed cavity type withdrawing can (20), recovery tube (21), vapor pipe (22), ACID (23);
Described tracheae (41), send acid tube (11) all to be communicated with intake header (42) by import switching valve (44), described time acid tube (12), recovery tube (21) all are communicated with outlet header (43) by outlet switching valve (45), and described recovery tube (21) the other end is communicated with withdrawing can (20); Described withdrawing can (1) is by vapor pipe (22) and external communications, be communicated with sour jar (10) by ACID (23);
The cavity bottom of described withdrawing can (20) is provided with adsorption layer (24), and described adsorption layer (24) is made of plastic grain or unit of plastic; Link to each other with withdrawing can (20) the axial sensing adsorption layer (24) of an end mouth of pipe of described recovery tube (21), the continuous end mouth of pipe of the same withdrawing can of described vapor pipe (22) (20) is positioned at adsorption layer (24) top face, and the continuous end mouth of pipe of the same withdrawing can of described ACID (23) (20) is positioned at adsorption layer (24) 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 (22) entrance end is communicated with the cavity top of withdrawing can (20); Described withdrawing can (20) is provided with liquid level detection device.
3. the residual acid retrieving arrangement that is used for pipe pickling as claimed in claim 2 is characterized in that: described vapor pipe (22) is provided with stopping valve (26).
4. as claim 1,2 or 3 described pipeline cycle pickling devices, it is characterized in that: described adsorption layer (24) is made of plastics ball piece (25).
5. pipeline cycle pickling device as claimed in claim 4 is characterized in that:
Described recovery tube (21) is by reclaiming house steward (21b), one group of recovery arm (21a) formation that is arranged side by side and is connected with recovery house steward (21b), describedly reclaim respectively that arm (21a) end is communicated with withdrawing can (20) respectively, the other end respectively with reclaim house steward (21b) and be communicated with, described recovery house steward's (21b) the other end is communicated with outlet header (43) through exporting switching valve (45);
Described vapor pipe (22) is made of exhaust-gas receiver (22b), one group of exhaust branch pipe (22a) that is arranged side by side and is connected with exhaust-gas receiver (22b), and described each exhaust branch pipe (22a) end is communicated with withdrawing can (20) respectively, the other end is communicated with exhaust-gas receiver (22b) respectively;
Described ACID (23) is made of acid discharge house steward (23b), one group of acid discharge arm (23a) that is arranged side by side and is connected with acid discharge house steward (23b), described each acid discharge arm (23a) end is communicated with withdrawing can (20) respectively, the other end is communicated with acid discharge house steward (23b) respectively, and described acid discharge house steward's (22b) the other end is communicated with acid jar (10);
The caliber of described exhaust branch pipe (22a), acid discharge arm (23a) is all less than the external diameter of plastics ball (25); Described exhaust-gas receiver (22b) is provided with stopping valve (26).
6. as claim 1,2 or 3 described pipeline cycle pickling devices, it is characterized in that: be provided with the neutralization tank (27) that is in communication with the outside, described vapor pipe (22) inserts in the neutralization tank (27) away from an end of withdrawing can (20) and is communicated with the following part of neutralization tank (27) liquid level; Described withdrawing can (20) and neutralization tank (27) are separated by dividing plate (29) by same tank body (28).
7. as claim 1,2 or 3 described pipeline cycle pickling devices, its spy is being: described acid jar (a 10) cavity is divided into two portions by baffle plate (14), wherein a part is filtering chamber (10b) for storage sour chamber (10a), another part, passes through between sour chamber of described storage (10a) and filtering chamber (10b) top to cut off by baffle plate (14) between connecting passage (10c) connection, the bottom; The described acid tube (11) that send is communicated with the sour chamber of storage (10a), and described recovery tube (21), time same filtering chamber of acid tube (12) (10b) are communicated with; Be provided with the individual sieve plate (15) that comprises filter screen (15a) of n (n 〉=1) in filtering chamber (10b), described filtering chamber (10b) is divided into n+1 (n 〉=1) individual filter pocket (16) by sieve plate (15); Along the acid solution flow direction, the mesh aperture of each sieve plate (15) filter screen (15a) successively decreases; Described recovery tube (21), time acid tube (11) are communicated with the filter pocket (16) adjacent with acid jar (10) sidewall.
8. the recovery acid solution filtration unit that is used for pipe pickling as claimed in claim 7, it is characterized in that: described sieve plate (15) comprises plate body (15b) and filter screen (15a), described plate body (15b) is fixed on acid jar (10) wall, and plate body (15b) bottom is provided with opening (15c), and described filter screen (15a) is fixed in plate body (15b) and covers plate body (15b) opening (15c).
9. as the strict recovery acid solution filtration unit of stating that is used for pipe pickling of claim 8, it is characterized in that: along the acid solution flow direction, each plate body (15b) opening (15c) highly successively decreases, and highly is lower than the height of connecting passage (10c) bottom with plate body (15a) opening (15c) of the adjacent sieve plate of baffle plate (14) (15).
10. pipeline cycle pickling device as claimed in claim 7, it is characterized in that: the acid filling disc (30) that is provided with the cavity type in the position that is higher than acid jar (10) liquid level, the cavity top of acid filling disc (30) is installed and be positioned to described sour pump (13) by acid filling disc (30), be communicated with by connecing acid tube (31) between described acid filling disc (30) cavity and acid jar (10) filtering chamber (10b); Send the liquid injection tube (19) that also is provided with check valve (17), at least one vent valve (18) on the acid tube (11), is provided with stopping valve between described sour pump (13) and the acid jar (10), wherein liquid injection tube (19) and vent valve (18) are arranged at sending on the acid tube (11) between check valve (17) and the sour pump (13) respectively, and check valve (17) is positioned at acid jar (10) below the liquid level, and vent valve (18) is arranged at the vertex that send acid tube (11) between sour pump (13) and the check valve (17) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206935274U CN201952495U (en) | 2010-12-31 | 2010-12-31 | Circular pickler of pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206935274U CN201952495U (en) | 2010-12-31 | 2010-12-31 | Circular pickler of pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201952495U true CN201952495U (en) | 2011-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206935274U Expired - Lifetime CN201952495U (en) | 2010-12-31 | 2010-12-31 | Circular pickler of pipes |
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| Country | Link |
|---|---|
| CN (1) | CN201952495U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011133A (en) * | 2010-12-31 | 2011-04-13 | 中冶实久建设有限公司 | Circulating pickling device for pipeline |
| CN102664248A (en) * | 2012-04-10 | 2012-09-12 | 安徽理士电源技术有限公司 | Acid solution circulation apparatus |
| CN102808193A (en) * | 2012-08-30 | 2012-12-05 | 贵州开磷（集团）有限责任公司 | Cleaning method of phosphoric acid delivery pipeline |
| CN102921655A (en) * | 2012-10-11 | 2013-02-13 | 成都思诚机电设备有限公司 | Plastic washing wastewater purifying system based on environmental protection and energy saving |
| CN107961580A (en) * | 2017-12-01 | 2018-04-27 | 核工业烟台同兴实业集团有限公司 | A kind of ceramic filter pickling cyclic utilization system |
| CN113046759A (en) * | 2021-03-09 | 2021-06-29 | 重庆北鑫机电有限公司 | Pickling equipment of column electromechanical part |
-
2010
- 2010-12-31 CN CN2010206935274U patent/CN201952495U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011133A (en) * | 2010-12-31 | 2011-04-13 | 中冶实久建设有限公司 | Circulating pickling device for pipeline |
| CN102011133B (en) * | 2010-12-31 | 2012-09-26 | 中国十九冶集团有限公司 | Circulating pickling device for pipeline |
| CN102664248A (en) * | 2012-04-10 | 2012-09-12 | 安徽理士电源技术有限公司 | Acid solution circulation apparatus |
| CN102664248B (en) * | 2012-04-10 | 2015-03-11 | 安徽理士电源技术有限公司 | Acid solution circulation apparatus |
| CN102808193A (en) * | 2012-08-30 | 2012-12-05 | 贵州开磷（集团）有限责任公司 | Cleaning method of phosphoric acid delivery pipeline |
| CN102808193B (en) * | 2012-08-30 | 2014-11-26 | 贵州开磷（集团）有限责任公司 | Cleaning method of phosphoric acid delivery pipeline |
| CN102921655A (en) * | 2012-10-11 | 2013-02-13 | 成都思诚机电设备有限公司 | Plastic washing wastewater purifying system based on environmental protection and energy saving |
| CN107961580A (en) * | 2017-12-01 | 2018-04-27 | 核工业烟台同兴实业集团有限公司 | A kind of ceramic filter pickling cyclic utilization system |
| CN113046759A (en) * | 2021-03-09 | 2021-06-29 | 重庆北鑫机电有限公司 | Pickling equipment of column electromechanical part |
| CN113046759B (en) * | 2021-03-09 | 2022-12-09 | 重庆北鑫机电有限公司 | Pickling equipment for columnar electromechanical parts |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20110831 Effective date of abandoning: 20120926 |