CN206881491U - The recycling system of mist eliminator flushing water in coal-burning power plant's wet desulfurization system - Google Patents
The recycling system of mist eliminator flushing water in coal-burning power plant's wet desulfurization system Download PDFInfo
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- CN206881491U CN206881491U CN201720741701.XU CN201720741701U CN206881491U CN 206881491 U CN206881491 U CN 206881491U CN 201720741701 U CN201720741701 U CN 201720741701U CN 206881491 U CN206881491 U CN 206881491U
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Abstract
The utility model discloses a kind of recycling system of mist eliminator flushing water in coal-burning power plant's wet desulfurization system, including cyclic water tank, flush box and some prime demisters and some rear class demisters；Each prime demister and each rear class demister are set gradually along the direction that flue gas circulates, the collect water exports of each rear class demister are connected with the water inlet of cyclic water tank, the delivery port of cyclic water tank is connected with the flushing water inlet of each prime demister, the delivery port of flush box is connected with the flushing water inlet of each rear class demister, and the collect water exports of prime demister are connected with the slurry pool of desulfurizing tower in coal-burning power plant's wet desulfurization system；Each prime demister is located in coal-burning power plant's wet desulfurization system in the back-end ductwork of desulfurizing tower or in the desulfurizing tower of coal-burning power plant's wet desulfurization system；Rear class demister is located in coal-burning power plant's wet desulfurization system in the back-end ductwork of desulfurizing tower, and the system can realize the recycling of mist eliminator flushing water.
Description
Technical field
The utility model belongs to water-saving technology field, is related to mist eliminator flushing water in a kind of coal-burning power plant's wet desulfurization system
Recycling system.
Background technology
As coal-burning power plant's wet desulfurization system minimum discharge is transformed, the water balance problem of its system becomes increasingly conspicuous, and it is led
It is that minimum discharge transformation generally adds demister configuration and favourable turn equipment to want reason, and mist eliminator flushing water (accounts for desulphurization system to enter
Water 70%), the increase of component cooling water (account for desulphurization system inflow 10%) consumption, and desulphurization system entrance flue gas temperature
Due to putting into operation for low low-level (stack-gas) economizer, the universal range of decrease is between 30~50 DEG C so that desulphurization system evaporation water consume is greatly decreased.Cause
This, cause increases and desulphurization system water loss is reduced into desulphurization system water, and water balance is difficult to ensure that.Recycling portion
Divide mist eliminator flushing water, reduce total washing water quantity, be desulphurization system water saving and the important measures of maintenance level weighing apparatus.
Utility model content
A kind of the shortcomings that the purpose of this utility model is to overcome above-mentioned prior art, there is provided coal-burning power plant's wet desulphurization
The recycling system of mist eliminator flushing water in system, the system can realize the recycling of mist eliminator flushing water.
To reach above-mentioned purpose, mist eliminator flushing water returns in coal-burning power plant's wet desulfurization system described in the utility model
Receive includes cyclic water tank, flush box and some prime demisters and some rear class demisters using system；
Each prime demister and each rear class demister are set gradually along the direction that flue gas circulates, the collection of each rear class demister
Water out is connected with the water inlet of cyclic water tank, and the delivery port of cyclic water tank is connected with the flushing water inlet of each prime demister
Logical, the delivery port of flush box is connected with the flushing water inlet of each rear class demister, the collect water exports of prime demister and
The slurry pool of desulfurizing tower is connected in coal-burning power plant's wet desulfurization system；
Each prime demister is located in coal-burning power plant's wet desulfurization system in the back-end ductwork of desulfurizing tower or positioned at coal-fired electricity
In the desulfurizing tower of factory's wet desulfurization system；Rear class demister is located at the back-end ductwork of desulfurizing tower in coal-burning power plant's wet desulfurization system
In.
Flush box is connected by mist eliminator flushing water pump with the flushing water inlet of prime demister.
The collect water exports of rear class demister are connected by the first collection water pipe with cyclic water tank, and first collects on water pipe
Provided with one-level piping filter, secondary canalization filter and flowmeter.
When each prime demister is located in coal-burning power plant's wet desulfurization system in the back-end ductwork of desulfurizing tower, each prime demisting
The collect water exports of device are connected by the second collection water pipe with the slurry pool of desulfurizing tower in coal-burning power plant's wet desulfurization system.
Cyclic water tank is connected by piping filter and water circulating pump with the flushing water inlet of prime demister.
Also include the jacking stirrer for the water in agitation cycle water tank, the density for detecting cyclic water tank reclaimed water
Densitometer and for cyclic water tank carry out moisturizing moisturizing pipeline.
Also include open type cooling water collecting pit, open type cooling water collecting pit is connected by open type cooling water pump with cyclic water tank
It is logical.
The quantity of rear class demister is 1-2 levels.
When each prime demister is located in coal-burning power plant's wet desulfurization system in the back-end ductwork of desulfurizing tower, prime demisting
The series of device is 1-2 levels；When in the desulfurizing tower that each prime demister is located at coal-burning power plant's wet desulfurization system, prime demister
Series be 2-3 levels.
The utility model has the advantages that：
The recycling system of mist eliminator flushing water is having in coal-burning power plant's wet desulfurization system described in the utility model
When gymnastics is made, the flushing water in cistern enters each prime after rear class demister, cyclic water tank, prime demister successively
Demister is located in coal-burning power plant's wet desulfurization system in the slurry pool of desulfurizing tower so that flushing water rinse rear class demister and
Entered after prime demister in slurry pool, realize the recycling of flushing water, ensure the water balance of desulphurization system, reduced and enter
To the water of desulphurization system, simple in construction, practicality is extremely strong.
Further, the density of cyclic water tank reclaimed water is detected by densitometer, realizes the monitoring to cyclic water tank reclaimed water.
Further, cyclic water tank is connected by piping filter and water circulating pump with the flushing water inlet of prime demister
It is logical, prevent the bulky grain in cyclic water tank from entering in water circulating pump by piping filter.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment one in the utility model；
Fig. 2 is the structural representation of embodiment two in the utility model；
Fig. 3 is the structural representation of embodiment three in the utility model；
Fig. 4 is the structural representation of example IV in the utility model.
Wherein, 1 it is prime demister, 2 be rear class demister, 3 be the second collection water pipe, 4 be the first collection water pipe, 5 is
Cyclic water tank, 6 be flush box, 7 be water circulating pump, 8 be mist eliminator flushing water pump, 9 be open type cooling water collecting pit, 10 to open
Formula cooling water pump, 11 be one-level piping filter, 12 be secondary canalization filter, 13 be flowmeter, 14 be jacking stirrer,
15 it is densitometer, 16 is piping filter.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
The recycling system of mist eliminator flushing water includes in coal-burning power plant's wet desulfurization system described in the utility model
Cyclic water tank 5, flush box 6 and some prime demisters 1 and some rear class demisters 2；Each prime demister 1 and each rear class are removed
Day with fog 2 is set gradually along the direction that flue gas circulates, the collect water exports of each rear class demister 2 and the water inlet phase of cyclic water tank 5
Connection, the delivery port of cyclic water tank 5 is connected with the flushing water inlet of each prime demister 1, the delivery port of flush box 6 with respectively
The flushing water inlet of rear class demister 2 is connected, in the collect water exports and coal-burning power plant's wet desulfurization system of prime demister 1
The slurry pool of desulfurizing tower is connected；Each prime demister 1 is located at the back-end ductwork of desulfurizing tower in coal-burning power plant's wet desulfurization system
In or in the desulfurizing tower of coal-burning power plant's wet desulfurization system；Rear class demister 2 is located in coal-burning power plant's wet desulfurization system
In the back-end ductwork of desulfurizing tower.
Flush box 6 is connected by mist eliminator flushing water pump 8 with the flushing water inlet of prime demister 1；Rear class demisting
The collect water exports of device 2 are connected by the first collection water pipe 4 with cyclic water tank 5, and the first collection water pipe 4 is provided with one-level pipeline
Filter 11, secondary canalization filter 12 and flowmeter 13；Cyclic water tank 5 is by piping filter 16 and water circulating pump 7 with before
The flushing water inlet of level demister 1 is connected.The jacking-type for the water that the utility model also includes being used in agitation cycle water tank 5 stirs
Mix device 14, the densitometer 15 of density for detecting the reclaimed water of cyclic water tank 5 and the moisturizing for carrying out moisturizing to cyclic water tank 5
Pipeline；The utility model also includes open type cooling water collecting pit 9, open type cooling water collecting pit 9 by open type cooling water pump 10 with
Cyclic water tank 5 is connected.
When each prime demister 1 is located in coal-burning power plant's wet desulfurization system in the back-end ductwork of desulfurizing tower, each prime is removed
The collect water exports of day with fog 1 are connected by the second collection water pipe 3 with the slurry pool of desulfurizing tower in coal-burning power plant's wet desulfurization system
It is logical.
The quantity of rear class demister 2 is 1-2 levels；Taken off when each prime demister 1 is located in coal-burning power plant's wet desulfurization system
When in the back-end ductwork of sulphur tower, the series of prime demister 1 is 1-2 levels；Taken off when each prime demister 1 is located at coal-burning power plant's wet method
When in the desulfurizing tower of sulphur system, the series of prime demister 1 is 2-3 levels.
Specific work process of the present utility model is：
Water source of the flush box 6 as the flushing water of rear class demister 2, power of the mist eliminator flushing water pump 8 as flushing water,
Periodic flushing rear class demister 2.
The droplet and its flushing water that rear class demister 2 traps converge into cyclic water tank 5 by the first collection water pipe 4, in order to
Prevent larger solid particle from entering in cyclic water tank 5, the first collection water pipe 4 sets gradually one-level piping filter 11, two level
Piping filter 12 and flowmeter 13, quantity of circulating water is recorded by flowmeter 13 in real time, and needed periodically to one-level filter pipeline
Device 11 and secondary canalization filter 12 are cleaned, and prevent from blocking.Cyclic water tank 5 sets jacking stirrer 14, prevents from depositing,
By densitometer 15 monitor cyclic water tank 5 water quality situation, and by water circulating pump 7 extract cyclic water tank 5 in water be used as before
The flushing water of level demister 1, the water inlet of water circulating pump 7 set piping filter 16, the bulky grain of filter deposition, and prime is removed
The droplet and its flushing water that day with fog 1 traps are discharged into absorption tower stock tank.
The open type cooling water of the favourable turn equipment of desulphurization system from flowing into open type cooling water collecting pit 9, receive by open type cooling water
Water in collection pond 9 will be delivered in cyclic water tank 5 by open type cooling water pump 10.
It is of the present utility model to be mainly characterized in that：Prime demister 1 removes the big major diameter drop of quality accounting, remaining matter
The few small diameter drops of amount accounting are removed by rear class demister 2, so that drop and its flushing water that rear class demister 2 intercepts
Solid content is relatively low, can be used for recycling, for circulation flushing prime demister 1.
Embodiment one
With reference to figure 1, each prime demister 1 is located in coal-burning power plant's wet desulfurization system in the back-end ductwork of desulfurizing tower, preceding
The series of level demister 1 is 2 grades；The quantity of rear class demister 2 is 1 grade.
Embodiment two
With reference to figure 2, the quantity of rear class demister 2 is 2 grades；Each prime demister 1 is located at coal-burning power plant's wet desulfurization system
In the back-end ductwork of middle desulfurizing tower, the series of prime demister 1 is 1 grade.
Embodiment three
With reference to figure 3, each prime demister 1 is located in the desulfurizing tower of coal-burning power plant's wet desulfurization system, prime demister 1
Series is 2 grades, and the quantity of rear class demister 2 is 2 grades.
Example IV
It is located at reference to each prime demister 1 of figure 4 in the desulfurizing tower of coal-burning power plant's wet desulfurization system, prime demister 1
Series is 3 grades, and the quantity of rear class demister 2 is 1 grade.
Claims (9)
1. the recycling system of mist eliminator flushing water in a kind of coal-burning power plant's wet desulfurization system, it is characterised in that including following
Ring water tank (5), flush box (6) and some prime demisters (1) and some rear class demisters (2)；
Each prime demister (1) and each rear class demister (2) are set gradually along the direction that flue gas circulates, each rear class demister (2)
Collect water exports be connected with the water inlet of cyclic water tank (5), the delivery port of cyclic water tank (5) and each prime demister (1)
Flushing water inlet be connected, the delivery port of flush box (6) is connected with the flushing water inlet of each rear class demister (2), preceding
The collect water exports of level demister (1) are connected with the slurry pool of desulfurizing tower in coal-burning power plant's wet desulfurization system；
Each prime demister (1) is located in coal-burning power plant's wet desulfurization system in the back-end ductwork of desulfurizing tower or positioned at coal-burning power plant
In the desulfurizing tower of wet desulfurization system；Rear class demister (2) is located at the afterbody cigarette of desulfurizing tower in coal-burning power plant's wet desulfurization system
In road.
2. the recycling system of mist eliminator flushing water in coal-burning power plant's wet desulfurization system according to claim 1, its
It is characterised by, flush box (6) is connected by mist eliminator flushing water pump (8) with the flushing water inlet of prime demister (1).
3. the recycling system of mist eliminator flushing water in coal-burning power plant's wet desulfurization system according to claim 1, its
It is characterised by, the collect water exports of rear class demister (2) are connected by the first collection water pipe (4) with cyclic water tank (5), and first
Collect water pipe (4) and be provided with one-level piping filter (11), secondary canalization filter (12) and flowmeter (13).
4. the recycling system of mist eliminator flushing water in coal-burning power plant's wet desulfurization system according to claim 3, its
It is characterised by, when each prime demister (1) is located in coal-burning power plant's wet desulfurization system in the back-end ductwork of desulfurizing tower, each prime
The collect water exports of demister (1) pass through the second slurries for collecting water pipe (3) and desulfurizing tower in coal-burning power plant's wet desulfurization system
Pond is connected.
5. the recycling system of mist eliminator flushing water in coal-burning power plant's wet desulfurization system according to claim 1, its
It is characterised by, cyclic water tank (5) is entered by the flushing water of piping filter (16) and water circulating pump (7) and prime demister (1)
Mouth is connected.
6. the recycling system of mist eliminator flushing water in coal-burning power plant's wet desulfurization system according to claim 1, its
Be characterised by, in addition to jacking stirrer (14) for the water in agitation cycle water tank (5), for detecting cyclic water tank
(5) densitometer (15) of the density of reclaimed water and the moisturizing pipeline for carrying out moisturizing to cyclic water tank (5).
7. the recycling system of mist eliminator flushing water in coal-burning power plant's wet desulfurization system according to claim 1, its
Be characterised by, in addition to open type cooling water collecting pit (9), open type cooling water collecting pit (9) by open type cooling water pump (10) with
Cyclic water tank (5) is connected.
8. the recycling system of mist eliminator flushing water in coal-burning power plant's wet desulfurization system according to claim 1, its
It is characterised by, the quantity of rear class demister (2) is 1-2 levels.
9. the recycling system of mist eliminator flushing water in coal-burning power plant's wet desulfurization system according to claim 1, its
It is characterised by, when each prime demister (1) is located in coal-burning power plant's wet desulfurization system in the back-end ductwork of desulfurizing tower, prime
The series of demister (1) is 1-2 levels；When each prime demister (1) is located in the desulfurizing tower of coal-burning power plant's wet desulfurization system,
The series of prime demister (1) is 2-3 levels.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720741701.XU CN206881491U (en) | 2017-06-23 | 2017-06-23 | The recycling system of mist eliminator flushing water in coal-burning power plant's wet desulfurization system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720741701.XU CN206881491U (en) | 2017-06-23 | 2017-06-23 | The recycling system of mist eliminator flushing water in coal-burning power plant's wet desulfurization system |
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| CN206881491U true CN206881491U (en) | 2018-01-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107198952A (en) * | 2017-06-23 | 2017-09-26 | 西安西热锅炉环保工程有限公司 | The recycling system of mist eliminator flushing water in coal-burning power plant's wet desulfurization system |
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- 2017-06-23 CN CN201720741701.XU patent/CN206881491U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107198952A (en) * | 2017-06-23 | 2017-09-26 | 西安西热锅炉环保工程有限公司 | The recycling system of mist eliminator flushing water in coal-burning power plant's wet desulfurization system |
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