CN205796843U - A kind of wet-esp waste water utilization device - Google Patents
A kind of wet-esp waste water utilization device Download PDFInfo
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- CN205796843U CN205796843U CN201620477563.4U CN201620477563U CN205796843U CN 205796843 U CN205796843 U CN 205796843U CN 201620477563 U CN201620477563 U CN 201620477563U CN 205796843 U CN205796843 U CN 205796843U
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- desulfurization
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Abstract
This utility model provides a kind of wet-esp waste water utilization device, including wet electrical dust precipitator, cyclic water tank, discharge casing, prelimer, sewage collecting box, catch pit, desulfuration absorbing tower and mist separator of desulfurization, the gas outlet of described mist separator of desulfurization connects described wet electrical dust precipitator, the top of described wet electrical dust precipitator arranges shower, the bottom of wet electrical dust precipitator is provided with ash bucket, described ash bucket connects described discharge casing and cyclic water tank, described discharge casing is connected with described cyclic water tank pipeline, and described cyclic water tank is connected to described shower;Discharge casing is connected to prelimer, described prelimer top is connected with described sewage collecting box, described sewage collecting box is connected to described mist separator of desulfurization, arranges dredge pump and be connected with described catch pit bottom described prelimer, and described catch pit is connected with described desulfuration absorbing tower.It is big that this utility model aims to solve the problem that existing Wet-type electric dust removal system exists wastewater flow rate, the problem that processing cost is high.
Description
Technical field
This utility model relates to a kind of wet-esp waste water utilization device.
Background technology
Answer the requirement of " coal electricity energy-saving and emission-reduction upgrading and transformation action plan (2014 the year two thousand twenty) ",
The whole nation each implementation in power plant minimum discharge transformation, obtains some effects, and coal-burning power plant implements ultralow row
Put and not only improve energy-saving and emission-reduction with reducing energy consumption special campaigns, promote Green Development, be also beneficial to
Expand investment, promote that coal electricity industrial transformation is upgraded.
Wet-esp conventional art is to be used by wet electricity waste water circulation, reaches certain solid content
After be immediately discharged to Waste Water Treatment, and the smoke treated amount of wet electrical dust precipitator every day is big, produces
Raw wastewater flow rate is the biggest, if outer draining is drained into Waste Water Treatment, can increase power plant and give up
Water treating capacity, improves operation, maintenance cost, affects economy and runs.
Utility model content
Wastewater flow rate is there is big for existing Wet-type electric dust removal system, the problem that processing cost is high, this
Utility model provides a kind of wet-esp waste water utilization device, by by desulphurization system and wet
Formula electric dust removing system is combined into an entirety, the waste water that wet electrical dust precipitator produces is used for desulfurization and inhales
Receive tower, the water of mist separator of desulfurization supplements, it is ensured that the water balance of original desulphurization system, it is achieved repeat
Utilize.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is as follows:
There is provided a kind of wet-esp waste water utilization device, including wet electrical dust precipitator, recirculated water
Case, discharge casing, prelimer, sewage collecting box, catch pit, desulfuration absorbing tower and desulfurization remove
Day with fog, described mist separator of desulfurization is arranged at the top of desulfuration absorbing tower, described mist separator of desulfurization
Gas outlet connects described wet electrical dust precipitator, and the top of described wet electrical dust precipitator arranges shower,
The bottom of wet electrical dust precipitator is provided with ash bucket, and described ash bucket connects described discharge casing and recirculated water
Case, described discharge casing is connected with described cyclic water tank pipeline, and described cyclic water tank is followed by setting
Ring water pump is connected to described shower;Draining pump, and discharge casing it is provided with bottom described discharge casing
Being connected to prelimer by draining pump, it is useless with described that described prelimer top arranges overflow pipe
Water collection tank connects, and described sewage collecting box is connected to described by arranging mist eliminator flushing water pump
Mist separator of desulfurization, arranges dredge pump and is connected with described catch pit bottom described prelimer, described
Catch pit is connected with described desulfuration absorbing tower by arranging sump pump.
Further, also including technique and supplement water pipe, described technique is supplemented water pipe and is connected respectively
Cyclic water tank and sewage collecting box.
The outer draining that wet-esp is produced by this utility model drains in a prelimer, in advance
Defecator can carry out physics sedimentation to this effluent part, and the bottom slurry liquid after sedimentation uses blowdown
Pump periodically drains into absorption tower catch pit, and top clean water overflow removes to sewage collecting box as absorption tower
Day with fog flushing water uses, and the not enough mist eliminator flushing water yield is supplemented water lines by technique and supplemented.Make
After this technology, the overflow primary water that wet electricity gives up water-treated can be as a part of absorption tower demisting
Device rinses moisturizing and uses, and can reach the water balance of desulfurizing tower.Work is transformed mainly for minimum discharge
Waste water newly-increased after increasing Wet-type electric dust removal system in journey comprehensively utilizes and processes, and is equivalent to
Desulphurization system and Wet-type electric dust removal system are combined in terms of with water an entirety, it is ensured that original suction
Receive the water balance of tower, there is in terms of using water wisely definite meaning.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of wet-esp waste water utilization device in this utility model
Figure;
Fig. 2 is the water balance schematic diagram of embodiment 1 in this utility model.
Detailed description of the invention
In order to make this utility model be solved the technical problem that, technical scheme and beneficial effect more
Clear, below in conjunction with drawings and Examples, this utility model is carried out the most specifically
Bright.Should be appreciated that specific embodiment described herein only in order to explain this utility model,
It is not used to limit this utility model.
See shown in accompanying drawing 1, the utility model discloses a kind of wet-esp water reuse dress
Put, including wet electrical dust precipitator 1, cyclic water tank 2, discharge casing 3, prelimer 4, waste water
Collecting box 5, catch pit 10, desulfuration absorbing tower 12 and mist separator of desulfurization 13, described desulfurization removes
Day with fog 13 is arranged at the top of desulfuration absorbing tower 12, the gas outlet of described mist separator of desulfurization 13
Connecting described wet electrical dust precipitator 1, the top of described wet electrical dust precipitator 1 arranges shower 15,
The bottom of wet electrical dust precipitator 1 is provided with ash bucket 16, and described ash bucket 16 connects described discharge casing
3 and cyclic water tank 2, described discharge casing 3 is connected with described cyclic water tank 2 pipeline, described in follow
Ring water tank 2 is connected to described shower 15 by arranging water circulating pump 6;Described discharge casing 3
Bottom is provided with draining pump 7, and discharge casing 3 is connected to prelimer 4 by draining pump 7,
Described prelimer 4 top arranges overflow pipe and is connected with described sewage collecting box 5, described waste water
Collecting box 5 is connected to described mist separator of desulfurization 12, institute by arranging mist eliminator flushing water pump 9
State and dredge pump 8 is set bottom prelimer 4 is connected with described catch pit 10, described catch pit
10 are connected with described desulfuration absorbing tower 12 by arranging sump pump 11.
Described dredge pump 8 is preferably spiral dredge pump, it should be noted that this area skill
Art personnel can select other kinds of dredge pump as required, all in spirit of the present utility model and
Any amendment, equivalent and the improvement etc. made within principle, should be included in this practicality new
Within the protection domain of type.
Also including technique and supplement water pipe 14, described technique is supplemented water pipe 14 and is connected circulation respectively
Water tank 2 and sewage collecting box 5.
This wet-esp process without drainage of waste water device is by wet electrical dust precipitator 1, cyclic water tank
2, discharge casing 3, prelimer 4, sewage collecting box 5, water circulating pump 6, draining pump 7,
Dredge pump 8, mist eliminator flushing water pump 9, catch pit 10, sump pump 11, desulfuration absorbing tower
12, mist separator of desulfurization 13, technique are supplemented water pipe 14 and are formed.
Desulfurization and wet-esp air and gas system be: flue gas enters desulfuration absorbing tower via air-introduced machine
12, enter wet electrical dust precipitator 1 after desulphurization reaction, the flue gas after degree of depth dedusting enters chimney
Discharge.
Water circulating pump 6 extracts the water of cyclic water tank 2 to wet electrical dust precipitator 1 top spray pipe
11 pairs of positive plates and cathode line spray, and the water after spray drops down onto discharge casing 3 from bottom ash bucket
With cyclic water tank 2, through add in alkali and after again participate in circulated sprinkling.
Water in discharge casing 3 is always maintained at overflow situation to cyclic water tank 2, when circulated sprinkling water
Solid content increases, and for ensureing spraying effect, need to continue efflux wastewater with draining pump 7 and enter pre-clear
Clear device 4, technique is supplemented water pipe 14 and is supplemented wet-esp water-spray system simultaneously,
Ensure the water balance of wet electricity system.
Waste water carries out physics sedimentation after entering prelimer 4, bottom slurry liquid passes through dredge pump 8
Drain into absorption tower catch pit 10, more periodically returned desulfuration absorbing tower 12 by sump pump 11.
The top clean water overflow of prelimer 4 to sewage collecting box 5 via mist eliminator flushing water pump
9 get to mist separator of desulfurization 13 is rinsed, and not enough washing water quantity is supplemented water 14 by technique and enters
Row supplements.
Embodiment 1
As in figure 2 it is shown, certain 600MW generator set desulfurization and wet electricity system process water consumption are 71t/h;
The wastewater discharge of wet electrical dust precipitator is about 20t/h, and waste water is through prelimer solid-liquid separation
After, clear water about 16t/h overflow in top enters sewage collecting box, for mist eliminator flushing, designs coal
Planting under operating mode, the mist eliminator flushing water yield is 54t/h, and the water yield less than 38t/h is supplemented by technique
Water supplements;Slurry liquid about 4t/h bottom prelimer, directly adds to absorption tower.Desulfurization puies forward effect
Improved wastewater discharge is 5t/h.
The water balance of desulphurization system (comprising wet-esp) is re-established by above measure,
Whole desulfurization, wet electricity system do not increase arranges outside waste water.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this reality
With novel, all made within spirit of the present utility model and principle any amendment, equivalent replace
Change and improvement etc., within should be included in protection domain of the present utility model.
Claims (2)
1. a wet-esp waste water utilization device, it is characterised in that include wet electrical dust precipitator, circulation
Water tank, discharge casing, prelimer, sewage collecting box, catch pit, desulfuration absorbing tower and mist separator of desulfurization,
Described mist separator of desulfurization is arranged at the top of desulfuration absorbing tower, and the gas outlet of described mist separator of desulfurization connects described
Wet electrical dust precipitator, the top of described wet electrical dust precipitator arranges shower, and the bottom of wet electrical dust precipitator sets
Being equipped with ash bucket, described ash bucket connects described discharge casing and cyclic water tank, described discharge casing and described cyclic water tank
Pipeline connects, and described cyclic water tank is connected to described shower by arranging water circulating pump;At the bottom of described discharge casing
Portion is provided with draining pump, and discharge casing is connected to prelimer by draining pump, and described prelimer top sets
Putting overflow pipe to be connected with described sewage collecting box, described sewage collecting box is by arranging mist eliminator flushing water pump even
It is connected to described mist separator of desulfurization, dredge pump is set bottom described prelimer and is connected with described catch pit, described
Catch pit is connected with described desulfuration absorbing tower by arranging sump pump.
A kind of wet-esp waste water utilization device the most according to claim 1, it is characterised in that also
Including technique and supplement water pipe, described technique is supplemented water pipe and is connected cyclic water tank and sewage collecting box respectively.
Priority Applications (1)
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CN201620477563.4U CN205796843U (en) | 2016-05-23 | 2016-05-23 | A kind of wet-esp waste water utilization device |
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CN201620477563.4U CN205796843U (en) | 2016-05-23 | 2016-05-23 | A kind of wet-esp waste water utilization device |
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CN205796843U true CN205796843U (en) | 2016-12-14 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107684789A (en) * | 2017-10-17 | 2018-02-13 | 大唐(北京)水务工程技术有限公司 | A kind of method of desulfurization wastewater and wet dust removal waste water Combined Treatment and its equipment used |
CN109812827A (en) * | 2019-02-01 | 2019-05-28 | 吐鲁番瑞德化轻有限公司 | Smoke processing system |
-
2016
- 2016-05-23 CN CN201620477563.4U patent/CN205796843U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107684789A (en) * | 2017-10-17 | 2018-02-13 | 大唐(北京)水务工程技术有限公司 | A kind of method of desulfurization wastewater and wet dust removal waste water Combined Treatment and its equipment used |
CN109812827A (en) * | 2019-02-01 | 2019-05-28 | 吐鲁番瑞德化轻有限公司 | Smoke processing system |
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