CN206447592U - A kind of industrial wastewater reclaims COD devices in salt and removing water - Google Patents
A kind of industrial wastewater reclaims COD devices in salt and removing water Download PDFInfo
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- CN206447592U CN206447592U CN201621335918.2U CN201621335918U CN206447592U CN 206447592 U CN206447592 U CN 206447592U CN 201621335918 U CN201621335918 U CN 201621335918U CN 206447592 U CN206447592 U CN 206447592U
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Abstract
COD devices in salt and removing water are reclaimed the utility model discloses a kind of industrial wastewater, charging pump inlet is connected with temporary storage tank outlet by the road, outlet is connected with heat exchanger import by the road, pump inlet is connected heat exchanger exit by the road, pump inlet is connected with crystallizing evaporator liquid outlet by the road, crystallizing evaporator steam (vapor) outlet is connected with absorption tower steam inlet by the road, the import of trapping solution temporary storage tank is connected with configuration flow container feed liquor pump discharge by the road, absorption tower liquid discharge is connected with temporary storage tank import by the road, absorption tower steam (vapor) outlet is connected with second absorption tower steam inlet by the road, second trapping solution temporary storage tank import is connected with the second configuration liquid feed liquor pump discharge by the road, second configuration liquid feed liquor pump inlet is connected with the second trapping solution batch tank import by the road.
Description
Technical field
The utility model is related to a kind of industrial wastewater and reclaims COD devices in salt and removing water, it is adaptable to chemical field
On use.
Background technology
At present, chemical field is evaporated by MVR and high salt, the evaporation of high COD industrial wastewaters is reclaimed out, the distillation that evaporation comes
Water contains a large amount of COD, while deviating from COD technologies in distilled water.In industrial wastewater containing substantial amounts of salinity and volatile ammonia nitrogen into
Part, it is domestic at present to use multiple-effect and MVR evaporation concentration techniques, the industrial wastewater is evaporated, the salt that is evaporated formation solid
Out, produce distilled water and contain substantial amounts of ammonia nitrogen composition, COD contents are higher, it is necessary to carry out further biochemical treatment, can just meet
Industrial Water circulation and discharge standard, investment are big, and the cycle is long.
The content of the invention
Task of the present utility model is to propose that one kind can be with direct reuse or discharge, while can obtain one kind of Nacl again
Industrial wastewater reclaims COD devices in salt and removing water
Task of the present utility model, which is done in such a way that, is characterized in that：Pump inlet is fed to export with temporary storage tank by the road
It is connected, charging pump discharge is connected with heat exchanger import by the road, pump inlet is connected heat exchanger exit by the road, and circulation is pumped out
Mouth is connected with heater inlet by the road, and heater outlet is connected with crystallizing evaporator liquid-inlet by the road, pump inlet
It is connected by the road with crystallizing evaporator liquid outlet, crystallizing evaporator steam (vapor) outlet is connected with absorption tower steam inlet by the road,
Absorption tower trapping solution import is connected with trapping pump discharge by the road, and trapping pump inlet exports phase with trapping solution temporary storage tank by the road
Even, the import of trapping solution temporary storage tank is connected with configuration flow container feed liquor pump discharge by the road, and configuration liquid feed liquor pump inlet is by the road with catching
The import of liquid collecting batch tank be connected, absorption tower liquid discharge is connected with temporary storage tank import by the road, absorption tower steam (vapor) outlet by the road with
Second absorption tower steam inlet is connected, and the import of second absorption tower trapping solution is connected with the second trapping pump discharge by the road, and second catches
Collection pump inlet is connected with the outlet of the second trapping solution temporary storage tank by the road, and the second trapping solution temporary storage tank import is configured with second by the road
Liquid feed liquor pump discharge is connected, and the second configuration liquid feed liquor pump inlet is connected with the second trapping solution batch tank import by the road, and second inhales
Receive tower steam (vapor) outlet by the road with compressor inlet to be connected, compressor outlet is connected with heater steam import by the road, heating
Device condensation-water drain is connected with condensate pump import by the road, and condensate pump outlet condenses water inlet phase with heat exchanger by the road
Even, crystallizing evaporator salt slurry outlet is connected with salt slurry pump inlet by the road, and salt slurry pump discharge is connected with crystallizing tank import by the road,
The outlet of crystallization pump tank is connected with centrifuge import by the road, and centrifuge liquid outlet is connected with mother liquor tank import by the road, mother liquor
Tank outlet is connected with mother liquor pump inlet by the road, and mother liquor pump discharge is connected with forced circulation pump inlet by the road, and heater does not coagulate
Gas is connected after going out through pipeline with vacuum plant import, and vacuum plant outlet is connected with cooling pond by the road.Described absorption
Tower is two, and described machine liquid temporary storage tank of catching is two, and second liquid feeding pump is two, and the compressor is to use MVR types
Number.
The utility model has the following effects that the technical program is that the steam produced in industrial wastewater evaporation process passes through
Absorb except deammoniation hydrogen composition, then steam, which enters heat exchanger and changed, no longer contains COD compositions in condensed water, condensed water, can be with
Direct reuse or discharge, while having obtained the recovery of Nacl.
Brief description of the drawings
Fig. 1 is industrial flow chart of the present utility model.
Drawing explanation：1st, temporary storage tank, 2, feed pump, 3, heat exchanger, 4, circulating pump, 5, heater, 6, crystallizing evaporator, 7,
Absorption tower, 8, trapping pump, 9, trapping solution temporary storage tank, 10, liquid feeding pump, 11, trapping solution batch tank, 12, second absorption tower, 13, the
Two trapping pumps, the 14, second trapping solution temporary storage tank, the 15, second configuration liquid feeding pump, the 16, second trapping solution batch tank, 17, compressor,
18th, condensate pump, 19, brine pump, 20, crystallization pump tank, 21, centrifuge, 22, mother liquor tank, 23, mother liquor pump, 24, vacuum plant,
25th, cooling pond.
Specific embodiment
Embodiment is described in detail with reference to the figures above, as shown in figure 1, the import of feed pump 2 exports phase with temporary storage tank 1 by the road
Even, feed pump 2 is exported to be connected with the import of heat exchanger 3 by the road, and heat exchanger 3 exports the import of circulating pump 4 by the road and is connected, circulating pump
4 outlets are connected with the import of heater 5 by the road, and heater 5 is exported to be connected with the liquid-inlet of crystallizing evaporator 6 by the road, circulation
The import of pump 4 is connected with the liquid outlet of crystallizing evaporator 6 by the road, the device steam (vapor) outlet of evaporative crystallization 6 by the road with the steam of absorption tower 7
Import is connected, and the trapping solution import of absorption tower 7 is connected with the outlet of trapping pump 8 by the road, and the trapping import of pump 8 is temporary with trapping solution by the road
Deposit the outlet of tank 9 to be connected, the import of trapping solution temporary storage tank 9 is connected with the outlet of configuration flow container liquid feeding pump 10 by the road, configures liquid liquid feeding pump
10 imports are connected with the import of trapping solution batch tank 11 by the road.The liquid discharge of absorption tower 7 is connected with the import of temporary storage tank 1 by the road, inhales
Receive the steam (vapor) outlet of tower 7 be connected by the road with the steam inlet of second absorption tower 12, the trapping solution import of second absorption tower 12 by the road with
Second trapping pump 13 outlet is connected, and the second trapping pump 13 import is connected with the outlet of the second trapping solution temporary storage tank 14 by the road, and second
The import of trapping solution temporary storage tank 14 is connected with the outlet of the second configuration liquid liquid feeding pump 15 by the road, the import warp of the second configuration liquid liquid feeding pump 15
Pipeline is connected with the import of the second trapping solution batch tank 16.The steam (vapor) outlet of second absorption tower 12 by the road with the import phase of compressor 17
Even, compressor 17 is exported to be connected with the steam inlet of heater 5 by the road, the condensation-water drain of heater 5 by the road with condensate pump
18 imports are connected, and condensate pump 18 is exported to be connected with the condensation water inlet of heat exchanger 3 by the road.The salt slurry of crystallizing evaporator 6 outlet warp
Pipeline is connected with the import of brine pump 19, and brine pump 19 is exported to be connected with the import of crystallizing tank 20 by the road, and crystallization pump tank 20 exports warp
Pipeline is connected with the import of centrifuge 21, and the liquid outlet of centrifuge 21 is connected with the import of mother liquor tank 22 by the road, and mother liquor tank 22 is exported
It is connected by the road with the import of mother liquor pump 23, mother liquor pump 23 is exported to be connected with the import of forced circulation pump 4 by the road, and heater 5 does not coagulate
Gas is connected after going out through pipeline with the import of vacuum plant 24, and vacuum plant outlet is connected with cooling pond 25 by the road.
The vacuum plant 24 being related in the technical program is made up of vacuum buffer tank and water ring vacuum pump.
Described absorption tower is two, and sequence number is 7 and 12 respectively, and described machine liquid temporary storage tank of catching is two, sequence number difference
It is 9 and 14, second liquid feeding pump is two, and sequence number is 10 and 15 respectively.
It is that steam (vapor) outlet is connected with the steam inlet on absorption tower 7 by the road that the head of the crystallizing evaporator 6, which is set, is inhaled
Steam (vapor) outlet on receipts tower 7 is connected with the steam inlet on second absorption tower 12 by the road constitutes steam circuit, the steaming
Liquid-inlet on hair crystallizer 6 is connected by the road with the outlet on heater 5, the liquid outlet warp on the crystallizing evaporator
Pipeline is connected with circulating pump 4, and the liquid entrance on crystallizing evaporator is circulated by circulating pump semi-finals system, on the crystallizing evaporator 6
Salt slurry outlet be connected by the road with brine pump 19.
The compressor 17 is to use MVR models.
A kind of industrial wastewater reclaims COD devices operation principle and explanation in salt and removing water
Salt solution containing COD enters in temporary storage tank 1, is then entered by delivery pump 2 in heat exchanger 3 and exchanged heat, the salt after heat exchange
Water is transported in heater 5 into the import of circulating pump 4 and heated, and subsequently into evaporative crystallization room 6, the water vapour of generation contains
A large amount of COD (ammonia nitrogens）Composition absorbs subsequently into absorption tower 7, and except deammoniation composition, the steam then come out from absorption tower 7 is entering
Enter absorption tower 8, steam, except the nitrogen component in devaporation, secondary increasing is carried out subsequently into compressor 17 by the processing on absorption tower 8
Pressure, progress heat exchange is condensed into liquid into the housing of heater 5, and squeezing into heat exchanger 3 by condensate pump carries out heat exchange, then
Reuse, 11 configure come trapping solution by liquid feeding pump 10 send into trapping solution temporary storage tank 11 keep in, absorption is then sent into by trapping pump 8
Used in tower 7,16 configure come trapping solution by liquid feeding pump 15 send into trapping solution temporary storage tank 14 keep in, then sent by trapping pump 13
Enter and used in absorption tower 12, the dense trapping solution that absorption tower 7 and absorption tower 12 are produced enters in temporary storage tank 1.Enter with salt solution and evaporate
System.
Claims (2)
1. a kind of industrial wastewater reclaims COD devices in salt and removing water, it is characterised in that：Feed pump inlet by the road with temporary storage tank
Outlet is connected, and charging pump discharge is connected with heat exchanger import by the road, and pump inlet is connected heat exchanger exit by the road, circulation
Pump discharge is connected with heater inlet by the road, and heater outlet is connected with crystallizing evaporator liquid-inlet by the road, circulating pump
Import is connected with crystallizing evaporator liquid outlet by the road, crystallizing evaporator steam (vapor) outlet by the road with absorption tower steam inlet phase
Even, absorption tower trapping solution import is connected with trapping pump discharge by the road, and trapping pump inlet is exported with trapping solution temporary storage tank by the road
Be connected, the import of trapping solution temporary storage tank is connected with configuration flow container feed liquor pump discharge by the road, configure liquid feed liquor pump inlet by the road with
The import of trapping solution batch tank is connected, and absorption tower liquid discharge is connected with temporary storage tank import by the road, and absorption tower steam (vapor) outlet is by the road
It is connected with second absorption tower steam inlet, the import of second absorption tower trapping solution is connected with the second trapping pump discharge by the road, second
Trapping pump inlet is connected with the outlet of the second trapping solution temporary storage tank by the road, and the second trapping solution temporary storage tank import is matched somebody with somebody with second by the road
Put liquid feed liquor pump discharge to be connected, the second configuration liquid feed liquor pump inlet is connected with the second trapping solution batch tank import by the road, second
Absorption tower steam (vapor) outlet is connected with compressor inlet by the road, and compressor outlet is connected with heater steam import by the road, plus
Hot device condensation-water drain is connected with condensate pump import by the road, and condensate pump outlet condenses water inlet phase with heat exchanger by the road
Even, crystallizing evaporator salt slurry outlet is connected with salt slurry pump inlet by the road, and salt slurry pump discharge is connected with crystallizing tank import by the road,
The outlet of crystallization pump tank is connected with centrifuge import by the road, and centrifuge liquid outlet is connected with mother liquor tank import by the road, mother liquor
Tank outlet is connected with mother liquor pump inlet by the road, and mother liquor pump discharge is connected with forced circulation pump inlet by the road, and heater does not coagulate
Gas is connected after going out through pipeline with vacuum plant import, and vacuum plant outlet is connected with cooling pond by the road.
2. a kind of industrial wastewater as claimed in claim 1 reclaims COD devices in salt and removing water, it is characterised in that：Described
Absorption tower is two, and described trapping solution temporary storage tank is two, and the liquid feeding pump is two, and the compressor is to use MVR types
Number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621335918.2U CN206447592U (en) | 2016-12-07 | 2016-12-07 | A kind of industrial wastewater reclaims COD devices in salt and removing water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621335918.2U CN206447592U (en) | 2016-12-07 | 2016-12-07 | A kind of industrial wastewater reclaims COD devices in salt and removing water |
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| Publication Number | Publication Date |
|---|---|
| CN206447592U true CN206447592U (en) | 2017-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621335918.2U Active CN206447592U (en) | 2016-12-07 | 2016-12-07 | A kind of industrial wastewater reclaims COD devices in salt and removing water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109095682A (en) * | 2018-08-31 | 2018-12-28 | 广东粤电靖海发电有限公司 | Desulphurization for Coal-fired Power Plant Waste water concentrating sofening treatment method and device |
-
2016
- 2016-12-07 CN CN201621335918.2U patent/CN206447592U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109095682A (en) * | 2018-08-31 | 2018-12-28 | 广东粤电靖海发电有限公司 | Desulphurization for Coal-fired Power Plant Waste water concentrating sofening treatment method and device |
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