CN204824506U - Special processing apparatus of sulfur acid sodium waste water in plumbous recovery production - Google Patents
Special processing apparatus of sulfur acid sodium waste water in plumbous recovery production Download PDFInfo
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- CN204824506U CN204824506U CN201520562062.1U CN201520562062U CN204824506U CN 204824506 U CN204824506 U CN 204824506U CN 201520562062 U CN201520562062 U CN 201520562062U CN 204824506 U CN204824506 U CN 204824506U
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Abstract
The utility model provides a special processing apparatus of sulfur acid sodium waste water in plumbous recovery production, including the consecutive material loading pump that connects, triple effect following current evaporation plant, swirler, crystallizer, centrifugal separator, mother liquor tank, helical feeding ware, disk continuous kiln and tail gas dust collector. Former feed liquid gets into triple effect following current evaporation plant evaporative concentration by the material loading pump, between imitating, each relies on the pressure differential punishment in advance, realize imitating the inner loop through respective axial -flow pump, when the concentration reaches the finite concentration, the concentrated solution is carried to swirler through the discharging pump extraction, swirler upper portion clear solution returns the triple effect separation chamber and continues evaporative concentration, the bottom solid -liquid mixture get into after the crystallizer crystallization, arrange to the centrifugal separator and carry out solid -liquid separation, the mother liquor is stored at mother liquor tank, the solid carries out the drying through the tray drier and obtains the product, dust -laden tail gas gets into and discharges after tail gas dust collector removes dust. The utility model discloses energy -concerving and environment -protective, constitute simple, flexible operation, can conitnuous production.
Description
Technical field
The utility model belongs to waste water reclamation in Chemical Manufacture and utilizes field, specifically the special processor of contains sodium sulfate waste water in plumbous remanufacture.
Background technology
Since 20 century 70s, along with automotive industry becomes the raising gradually of mainstay of the national economy industry and national Environmental awareness, lead storage battery secondary lead technology obtains the great attention of government, and multiple recovery process is developed successively.A key issue of secondary lead clearer production technology is exactly the sulfur dioxide pollution in regenerative process, common treatment process adopts wet desulfurizing process to carry out desulfurization pre-treatment to store battery, to reduce the material sulphur content into stove, thus reduce the quantity discharged of sulfurous gas.The major ingredient of the doctor solution that wet desulphurization produces is sodium sulfate, because doctor solution contains a large amount of salts, and is acidic solution, therefore forbids directly to discharge, and must carry out reprocessing recovery.
At present, recovery process many employings autoclave evaporation of sodium sulfate in Production of Secondary Lead process, there is more drawback in this evaporation mode, such as: labo r usage is large, and manipulation strength is high, energy consumption is large, costly, the many and floor space of number of devices is large for equipment operation, can not continuous seepage, inefficiency, is only applicable to small business.
Utility model content
The purpose of this utility model is just to provide the special processor of contains sodium sulfate waste water in a kind of plumbous remanufacture, to solve the energy consumption that exists in existing sodium sulfate recovery process greatly, not environmentally and can not quantity-produced problem.
The utility model is achieved in that
In plumbous remanufacture, a special processor for contains sodium sulfate waste water, comprises
System of three-effect downstream evaporator device, for carrying out following current evaporation to raw material; Comprise the 1st effective evaporator, 2nd effect evaporator and the triple-effect evaporator that connect successively, wherein, each vaporizer includes heating chamber, separate chamber and is arranged on the propeller pump on the connecting pipeline between heating chamber bottom and bottom, separate chamber, and is provided with the stream pipe for material transferring, the gas flow tube for vapor transmission and the condensate pipe for water of condensation transmission between each vaporizer;
Swirler, for by the material enrichment from triple-effect evaporator;
Crystallizer, carries out crystallization for the supplied materials that receives from swirler;
Whizzer, carries out centrifugation to supplied materials for the supplied materials that receives from crystallizer;
Mother liquor tank, for receive whizzer be separated after mother liquor, and drain pipe is set and the mother liquor pump installed on drain pipe for mother liquor being led back to triple-effect evaporator and the mother liquor that is used for mother liquor to be delivered to head tank return pump;
Screw feeder, for receiving the isolated solid of whizzer and being broken up;
Continuous disc dryer, for receive screw feeder break up after solid and carry out drying, obtain sodium sulfate finished product; And
Tail gas dust cleaning apparatus, for receiving the dusty gas of continuous disc dryer and carrying out dedusting.
Also comprise the indirect condenser for carrying out condensation to the steam from triple-effect evaporator separate chamber, for discharging the vacuum pump of the non-condensable gas in described indirect condenser and the condensate water pot for storing the water of condensation from described indirect condenser and described triple-effect evaporator heating chamber.
Also comprise heat pump, utilize the raw steam of high pressure to boost to it for the low-pressure steam that receives from 1st effective evaporator separate chamber.
Described tail gas dust cleaning apparatus comprise be connected with described continuous disc dryer spray deduster, for collect spray liquid cyclic water tank, for induced draft fan that the gas after dedusting is discharged and be used for the water circulating pump that will carry out recycling in spray deduster described in the spray liquid blowback in cyclic water tank.
The separate chamber of described 2nd effect evaporator and the inside, separate chamber of described triple-effect evaporator are respectively equipped with inner draft tube, and the bottom of the separate chamber of described triple-effect evaporator is provided with elutriation leg.
The utility model is according to the dissolubility property of sodium sulfate in water, in each single-effect evaporator, propeller pump is set respectively, the pump circulation impellent utilizing propeller pump to produce makes feed liquid flow with higher speed in the tubulation of vaporizer, avoids the problem of crystallized stock free settling blocking in tubulation; Simultaneously also shorten the residence time of crystallized stock in tubulation, avoid that crystalline particle is overheated in tubulation to scab.The utility model utilizes the pressure difference between each effect to replace impeller pump to carry out mass transport, not only reduces the investment of equipment, and decreases the stifled point of system, leak source and cleaning point, thus reduce manipulation strength.Simultaneously, the utility model adopts screw feeder to add in Continuous disc drying machine by crystallized stock continous-stable, screw feeder not only can quantifying feed, and to have the wet stock of caking and certain break up effect, effectively can prevent the material of bulk " bridge formation " in dehumidification system, thus improve the quality of product; The utility model also arranges tail gas dust cleaning apparatus after Continuous disc drying machine, effectively eliminates the dust in tail gas, greatly reduces the dust pollution in air, improves workshop condition, has ensured the personnel safety of employee.
The utility model effectively utilizes secondary steam, reduces the load of evaporation operation, and reduce further steam consumption by arranging heat pump, makes the consumption of steam reduce about 30%; And the water of condensation after last effect heating chamber vapor condensation all enters next effect and recycles, achieve the repeatedly utilization of intrasystem steam and water of condensation, energy-conserving and environment-protective.
The utility model can realize consecutive production, and system goes slick, stable, simple to operate, non-environmental-pollution.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, one effect heating chamber, 2, two effect heating chambers, 3, triple effect heating chamber, 4, one effect separate chamber, 5, two effect separate chambers, 6, triple effect separate chamber, 7, indirect condenser, 8, swirler, 9, crystallizer, 10, whizzer, 11, mother liquor tank, 12, screw feeder, 13, continuous disc dryer, 14, semi-automatic packer, 15, spray deduster, 16, induced draft fan, 17, cyclic water tank, 18, condensate draining, 19, heat pump, 20, feeding pump, 21, one effect propeller pump, 22, two effect propeller pump, 23, triple effect propeller pump, 24, discharging pump, 25, condensate pump, 26, mother liquor returns pump, 27, mother liquor pump, 28, water circulating pump, 29, vacuum pump.
Embodiment
As shown in Figure 1, the utility model comprises the feeding pump 20, system of three-effect downstream evaporator device, swirler 8, crystallizer 9, whizzer 10, mother liquor tank 11, screw feeder 12, continuous disc dryer 13 and the tail gas dust cleaning apparatus that are connected successively.
The sodium sulfate feed liquid of head tank is pumped into system of three-effect downstream evaporator device and carries out following current evaporation by feeding pump 20, system of three-effect downstream evaporator device comprises the 1st effective evaporator connected successively, 2nd effect evaporator and triple-effect evaporator, wherein 1st effective evaporator comprises an effect heating chamber 1, one effect separate chamber 4 and the effect propeller pump 21 be arranged between the two, 2nd effect evaporator comprises two effect heating chambers 2, two effect separate chambers 5 and the two effect propeller pump 22 be arranged between the two, triple-effect evaporator comprises triple effect heating chamber 3, triple effect separate chamber 6 and the triple effect propeller pump 23 be arranged between the two, pressure reduction punishment in advance is relied between each single-effect evaporator, effect internal recycle is realized by respective propeller pump.Each effect heating chamber is respectively equipped with noncondensable gas relief outlet, for regularly carrying out the discharge of non-condensable gas in evaporative process, to improve heat transfer efficiency; The inner draft tube of back taper is provided with in two effect separate chambers 5 and inside, triple effect separate chamber 6, to the effect that the two phase flow flowed with high flow velocities plays guiding and slows down, the vibration in separate chamber's operational process can be reduced, eliminate solution superheating temperature, be tended towards stability the state of flash distillation in vehicle repair major interface; Elutriation leg is also provided with, with the problem that the crystalline particle degree solving triple-effect evaporator generation is uneven in the bottom of triple effect separate chamber 6.
Steam flow in system of three-effect downstream evaporator device: the part low-pressure secondary steam that the raw steam of the high pressure from boiler and an effect separate chamber 4 produce mixes in heat pump 19, form middle pressure steam, middle pressure steam enters the thermal source of shell side as an effect of an effect heating chamber 1, the remainder secondary steam of one effect separate chamber 4 delivers to the thermal source of shell side as two effects of two effect heating chambers 2, the secondary steam of two effect separate chambers 5 delivers to the thermal source of shell side as triple effect of triple effect heating chamber 3, the secondary steam of triple effect separate chamber 6 delivers to condensation in indirect condenser 7, water of condensation enters storage in condensate draining 18, non-condensable gas is discharged by vacuum pump 29.
Condensation flow in system of three-effect downstream evaporator device to: one effect heating chamber 1 water of condensation deliver to two effect heating chamber 2 flash distillations, the water of condensation of two effect heating chambers 2 is introduced into triple effect heating chamber 3 flash distillation, then storage in condensate draining 18 is together entered with the water of condensation of triple effect heating chamber 3, the water of condensation that condensate draining 18 is collected, drains into recovery water spot through condensate pump 25 and returns other production plant recycling.
When material is concentrated to finite concentration in system of three-effect downstream evaporator device, strong solution is enrichment in discharging pump 24 pump to swirler 8, upper clear supernate is back to triple effect separate chamber 6 and continues evaporation concentration, solidliquid mixture after the enrichment of bottom enters crystallizer 9 and carries out crystallization, then enters whizzer 10 and carry out centrifugation.Centrifugally mother liquid obtainedly enter mother liquor tank 11 afterwards, the drain pipe of mother liquor tank 11 is respectively equipped with mother liquor pump 27 and mother liquor returns pump 26, mother liquor pump 27 carries out evaporation concentration again for liquid phase being delivered to triple-effect evaporator, and the system that ensures is without outer row, pollution-free; Mother liquor returns that pump 26 is longer by loop cycle, the mother liquor of inferior quality sends head tank back to, filters after heavy-metal ion removal process and gets back to system again together with raw material, thus improve the purity of product through neutralization.The centrifugal solid obtained enters in continuous disc dryer 13 through screw feeder 12 and carries out drying, make solid aqueous amount≤0.1%, dry qualified solid enters in semi-automatic packer 14 to be packed, and the dusty gas on continuous disc dryer 13 top enters tail gas dust cleaning apparatus and carries out dedusting.Tail gas dust cleaning apparatus comprises spray deduster 15, induced draft fan 16, cyclic water tank 17 and water circulating pump 28, spray deduster 15 is connected with the vapor pipe at continuous disc dryer 13 top, gas is emptying by induced draft fan 16 after dedusting, cyclic water tank 17 is entered after dust sodium sulfate is water-soluble, liquid phase in cyclic water tank 17 pumps in spray deduster 15 through water circulating pump 28 carries out recycle, or is delivered to head tank and gets back in system together with raw material.
Compared with prior art, the social benefit that the utility model produces: the arrangement achieves the maximization of sodium sulfate, continuous prodution, really accomplish that environmental protection is economical again, achieve " zero " discharge of wastewater treatment process in commercial lead remanufacture, meet enforcement cleaner production completely, develop a circular economy, the related request of building a conservation-minded society.
Claims (5)
1. the special processor of contains sodium sulfate waste water in plumbous remanufacture, is characterized in that, comprise
System of three-effect downstream evaporator device, for carrying out following current evaporation to raw material; Comprise the 1st effective evaporator, 2nd effect evaporator and the triple-effect evaporator that connect successively, wherein, each vaporizer includes heating chamber, separate chamber and is arranged on the propeller pump on the connecting pipeline between heating chamber bottom and bottom, separate chamber, and is provided with the stream pipe for material transferring, the gas flow tube for vapor transmission and the condensate pipe for water of condensation transmission between each vaporizer;
Swirler, for by the material enrichment from triple-effect evaporator;
Crystallizer, carries out crystallization for the supplied materials that receives from swirler;
Whizzer, carries out centrifugation to supplied materials for the supplied materials that receives from crystallizer;
Mother liquor tank, for receive whizzer be separated after mother liquor, and drain pipe is set and the mother liquor pump installed on drain pipe for mother liquor being led back to triple-effect evaporator and the mother liquor that is used for mother liquor to be delivered to head tank return pump;
Screw feeder, for receiving the isolated solid of whizzer and being broken up;
Continuous disc dryer, for receive screw feeder break up after solid and carry out drying, obtain sodium sulfate finished product; And
Tail gas dust cleaning apparatus, for receiving the dusty gas of continuous disc dryer and carrying out dedusting.
2. the special processor of contains sodium sulfate waste water in plumbous remanufacture according to claim 1, it is characterized in that, also comprising the indirect condenser for carrying out condensation to the steam from triple-effect evaporator separate chamber, for discharging the vacuum pump of the non-condensable gas in described indirect condenser and the condensate water pot for storing the water of condensation from described indirect condenser and described triple-effect evaporator heating chamber.
3. salt-containing waste water treating device in plumbous remanufacture according to claim 1, is characterized in that, also comprise heat pump, utilizes the raw steam of high pressure to boost to it for the low-pressure steam that receives from 1st effective evaporator separate chamber.
4. the special processor of contains sodium sulfate waste water in plumbous remanufacture according to claim 3, it is characterized in that, described tail gas dust cleaning apparatus comprise be connected with described continuous disc dryer spray deduster, for collect spray liquid cyclic water tank, for induced draft fan that the gas after dedusting is discharged and be used for the water circulating pump that will carry out recycling in spray deduster described in the spray liquid blowback in cyclic water tank.
5. the special processor of contains sodium sulfate waste water in plumbous remanufacture according to claim 1, it is characterized in that, the separate chamber of described 2nd effect evaporator and the inside, separate chamber of described triple-effect evaporator are respectively equipped with inner draft tube, and the bottom of the separate chamber of described triple-effect evaporator is provided with elutriation leg.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520562062.1U CN204824506U (en) | 2015-07-30 | 2015-07-30 | Special processing apparatus of sulfur acid sodium waste water in plumbous recovery production |
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| CN201520562062.1U CN204824506U (en) | 2015-07-30 | 2015-07-30 | Special processing apparatus of sulfur acid sodium waste water in plumbous recovery production |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107596710A (en) * | 2017-11-03 | 2018-01-19 | 揭阳市德克蒸发器有限公司 | A kind of enclosed heat pump low-temperature evaporation crystallization treatment equipment and its evaporative crystallization processing method |
| CN108114494A (en) * | 2016-11-29 | 2018-06-05 | 宜兴龙驰药化设备有限公司 | A kind of three-effect evaporation and condensation device |
| CN108516603A (en) * | 2018-06-27 | 2018-09-11 | 无锡英罗唯森科技有限公司 | A kind of saliferous process for treating acidic sewage and system |
| CN109279755A (en) * | 2018-10-07 | 2019-01-29 | 联合瑞升（北京）科技有限公司 | A kind of tandem sludge heat drying energy conserving system |
| CN109381879A (en) * | 2018-12-26 | 2019-02-26 | 郑州博大浓缩干燥设备有限公司 | Aluminium polychloride production evaporation and concentration spray drying system |
| CN110104714A (en) * | 2019-05-09 | 2019-08-09 | 常州市武进双惠环境工程有限公司 | A kind of sewage treatment triple effect evaporation system |
-
2015
- 2015-07-30 CN CN201520562062.1U patent/CN204824506U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108114494A (en) * | 2016-11-29 | 2018-06-05 | 宜兴龙驰药化设备有限公司 | A kind of three-effect evaporation and condensation device |
| CN107596710A (en) * | 2017-11-03 | 2018-01-19 | 揭阳市德克蒸发器有限公司 | A kind of enclosed heat pump low-temperature evaporation crystallization treatment equipment and its evaporative crystallization processing method |
| CN108516603A (en) * | 2018-06-27 | 2018-09-11 | 无锡英罗唯森科技有限公司 | A kind of saliferous process for treating acidic sewage and system |
| CN109279755A (en) * | 2018-10-07 | 2019-01-29 | 联合瑞升（北京）科技有限公司 | A kind of tandem sludge heat drying energy conserving system |
| CN109279755B (en) * | 2018-10-07 | 2022-10-25 | 联合瑞升（北京）科技有限公司 | Serial-type sludge heat drying economizer system |
| CN109381879A (en) * | 2018-12-26 | 2019-02-26 | 郑州博大浓缩干燥设备有限公司 | Aluminium polychloride production evaporation and concentration spray drying system |
| CN110104714A (en) * | 2019-05-09 | 2019-08-09 | 常州市武进双惠环境工程有限公司 | A kind of sewage treatment triple effect evaporation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 050000 10-1201, Fangda Science Park, 266 Tianshan Street, high tech Zone, Shijiazhuang City, Hebei Province Patentee after: Shijiazhuang Dingwei Chemical Equipment Engineering Co.,Ltd. Address before: 050000 3rd floor, building 6, Fangda science and Technology Park, 266 Tianshan Street, high tech Zone, Shijiazhuang City, Hebei Province Patentee before: SHIJIAZHUANG DINGWEI CHEMICAL EQUIPMENT ENGINEERING Co.,Ltd. |
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| CP03 | Change of name, title or address |