CN206082845U - Metal plates wet -type electrostatic precipitator effluent disposal system - Google Patents
Metal plates wet -type electrostatic precipitator effluent disposal system Download PDFInfo
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- CN206082845U CN206082845U CN201621050480.3U CN201621050480U CN206082845U CN 206082845 U CN206082845 U CN 206082845U CN 201621050480 U CN201621050480 U CN 201621050480U CN 206082845 U CN206082845 U CN 206082845U
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Abstract
The utility model provides a metal plates wet -type electrostatic precipitator effluent disposal system, belongs to the waste water treatment technology field. Its characterized in that: dust remover drain pipe (20) connect the income water end (W. E. ) on circulating pipe way, the play water end (W. E. ) on circulating pipe way is equipped with grey water separator, circulating water connecting line and useless water discharging tube (4) are connected respectively to grey water separator's exit end, the circulating water connecting line is connected wet -type electrostatic precipitator (8) go into the water end (W. E. ), useless water discharging tube (4) divide into the three routes and connect respectively including coal wastewater disposal basin (1), desulfurized limestone slurry tank (2) and supply water tank (14). The utility model discloses changing in the past that waste water directly emits into the mode including coal wastewater disposal basin centralized processing, does the water discharging tube that will give up fall into three routes, make full use of waste water pH value neutral partially, cl the waste water reclamation is recycled to the not high characteristics of content, and the waste of water resource is avoided again to the surplus value of make full use of waste water when handling waste water, thoroughly accomplish making the most of things.
Description
Technical field
A kind of metal polar plate wet electrical dust precipitator Waste Water Treatment, belongs to technical field of waste water processing.
Background technology
The discharge of wastewater of wet electrical dust precipitator water system is 12t/h, and pH value of waste water is 6 ~ 8, wherein, Cl-＜ 500mg/L,
SS 2000～3000ppm of ＜, solid content ＜ 5216mg/L, therefore, waste water has certain slight salt corrosion.At present, wet type
The waste water of electric cleaner water system is typically directly drained in coal yard wastewater disposal basin containing coal, carries out integrated treatment, and this kind of processing mode is not
But the process water yield containing coal waste water is increased, causes equipment to exert oneself increase, simultaneously as the waste water of wet electrical dust precipitator water system
PH value partial neutral, Cl-Content is not high, there is certain recycling value, drains into waste water containing coal and also result in certain water resource
Waste.
The content of the invention
Technical problem to be solved in the utility model is：Overcome the deficiencies in the prior art, there is provided a kind of process waste water
The metal polar plate wet electrical dust precipitator Waste Water Treatment of the waste water surplus value is recycled simultaneously.
This utility model solves the technical scheme of its technical problem employing：This kind of metal polar plate wet electrical dust precipitator waste water
Processing system, including wastewater disposal basin containing coal, make-up water pipeline, circulating water line and wet electrical dust precipitator, cleaner unit drain pipe passes through
Circulating water line connects wastewater disposal basin containing coal, it is characterised in that：Described cleaner unit drain pipe connects the water intake end of circulating water line,
The water side of circulating water line is provided with seperator of ash and water, and the port of export of seperator of ash and water connects respectively recirculated water connecting line and gives up
Water discharge pipe, the described wet electrical dust precipitator water intake end of recirculated water connecting line connection, wastewater discharge pipe is divided into three tunnels and connects respectively
Connect wastewater disposal basin containing coal, desulfurized limestone slurry tank and extra feed tank.
Change conventional waste water and be directly discharged into the mode that wastewater disposal basin containing coal is focused on, wastewater discharge pipe is divided into into three tunnels, and
Connect wastewater disposal basin containing coal, desulfurized limestone slurry tank and extra feed tank respectively, make full use of waste water partial neutral pH value, Cl-Content
Not high the features such as, waste water reclamation is recycled, make full use of the surplus value of waste water, avoid water to provide again while waste water is processed
The waste in source, thoroughly accomplishes to make the best use of everything.
Described wet electrical dust precipitator one end is also connected with smoke inlet pipe, and the other end connects cigarette by cleaner unit escape pipe
Chimney.
Described circulating water line one end is also associated with alkali liquor pipeline, and alkali liquor pipeline includes alkali storage tank, lye pump and alkali liquor
Outlet, lye export pipe connection circulating water line.
Described circulating water line includes cyclic water tank, water circulating pump and the Ash Water Separator being sequentially connected by fluid trend
Device, the port of export of cyclic water tank is divided into the circulating water inlet of two connection wet electrical dust precipitators, on two circulating water inlets
Water circulating pump and seperator of ash and water are respectively provided with, jointly the described waste water of connection is discharged for the port of export side of two seperator of ash and water
Pipe.
Described make-up water pipeline includes make-up pipe, unit industry water pipe, make-up pump and extra feed tank, extra feed tank
Arrival end connection unit industry water pipe, the port of export is by make-up pipe connection wet electrical dust precipitator, and make-up pipe is provided with
Make-up pump.
The arrival end of described desulfurized limestone slurry tank is also connected with sulfur removal technology water water inlet pipe.
Compared with prior art, this utility model is had an advantageous effect in that：It is straight that this utility model changes conventional waste water
Run in the mode focused on into wastewater disposal basin containing coal, wastewater discharge pipe is divided into into three tunnels, and connect wastewater disposal basin containing coal, desulfurization respectively
Limestone slurry liquid case and extra feed tank, make full use of waste water partial neutral pH value, Cl-The features such as content is not high, by waste water reclamation again
Utilize, make full use of the surplus value of waste water, avoid the waste of water resource again while waste water is processed, thoroughly accomplish that thing uses up it
With.Run by the combined optimization of wet electrical dust precipitator and wet desulfurization system, internal spray, flushing water pipeline and spray do not occur
The situation of mouth blocking, does not affect the dust removing effects of wet electrical dust precipitator yet, while realize wet electrical dust precipitator water system giving up
The outer row of the zero of water, improves equipment operational reliability, eliminates environmentally friendly hidden danger, it is ensured that environmental protection equipment is controllable in control property.
Description of the drawings
Fig. 1 is a kind of metal polar plate wet electrical dust precipitator Waste Water Treatment structural representation.
Wherein, 1, wastewater disposal basin containing coal 2, desulfurized limestone slurry tank 3, sulfur removal technology water water inlet pipe 4, wastewater drainage pipe
5th, first circulation water water inlet pipe 6, smoke inlet pipe 7, second circulation water water inlet pipe 8, wet electrical dust precipitator 9, make-up pipe
10th, cleaner unit escape pipe 11, chimney 12, unit industry water pipe 13, make-up pump 14, extra feed tank 15, waste water are in charge of
16th, alkali storage tank 17, lye pump 18, lye export pipe 19, cyclic water tank 20, cleaner unit drain pipe 21, first circulation water pump
22nd, second circulation water pump 23, the first seperator of ash and water 24, the second Ash Water Separator.
Specific embodiment
Fig. 1 is most preferred embodiment of the present utility model, and below in conjunction with the accompanying drawings 1 pair of this utility model is described further.
Referring to the drawings 1：A kind of metal polar plate wet electrical dust precipitator Waste Water Treatment, including wastewater disposal basin containing coal 1, make-up water
Pipeline, circulating water line and wet electrical dust precipitator 8, cleaner unit drain pipe 20 connects wastewater disposal basin containing coal 1 by circulating water line, removes
Dirt device drain pipe 20 connects the water intake end of circulating water line, and the water side of circulating water line is provided with seperator of ash and water, Ash Water Separator
The port of export of device connects respectively recirculated water connecting line and wastewater discharge pipe 4, the described wet type electricity of recirculated water connecting line connection
The water intake end of cleaner unit 8, wastewater discharge pipe 4 is divided into three tunnels and connects wastewater disposal basin containing coal 1, desulfurized limestone slurry tank 2 and supply respectively
Water tank 14.
The one end of wet electrical dust precipitator 8 is also connected with smoke inlet pipe 6, and the other end connects chimney by cleaner unit escape pipe 10
11.Circulating water line one end is also associated with alkali liquor pipeline, and alkali liquor pipeline includes alkali storage tank 16, lye pump 17 and lye export pipe
18, the connection circulating water line of lye export pipe 18, specifically, the connection cyclic water tank 19 of lye export pipe 18.
Circulating water line includes cyclic water tank 19, water circulating pump and the seperator of ash and water being sequentially connected by fluid trend, follows
The port of export of ring water tank 19 is divided into the circulating water inlet of two connection wet electrical dust precipitators 8, divides on two circulating water inlets
Not She Zhi water circulating pump and seperator of ash and water, the port of export side of two seperator of ash and water connects wastewater discharge pipe 4 jointly.Specifically
, it is divided into first circulation water water inlet pipe 5 and second circulation water water inlet pipe 7, first circulation water is installed on first circulation water water inlet pipe 5
The seperator of ash and water 23 of pump 21 and first, installs second circulation water pump 22 and the 4th seperator of ash and water on second circulation water water inlet pipe 7
24。
Make-up water pipeline includes make-up pipe 9, unit industry water pipe 12, make-up pump 13 and extra feed tank 14, make-up water
The arrival end connection unit industry water pipe 12 of case 14, the port of export connects wet electrical dust precipitator 8, and make-up water by make-up pipe 9
Pipe 9 is provided with make-up pump 13, and the side of extra feed tank 14 is provided with waste water and is in charge of 15, waste water be in charge of 15 be wastewater discharge pipe 4 its
In an arm, be in charge of 15 by waste water and return 1/3rd of the waste water after two groups of seperator of ash and water separating and filterings
Recycle to extra feed tank 14.The arrival end of desulfurized limestone slurry tank 2 is also connected with sulfur removal technology water water inlet pipe 3.
Operation principle and the course of work：This utility model operationally, for coal heating machine set system in, be to meet super
The requirement of low emission, using SCR+ dry electrostatic cleaners+string tower FGD+ wet electrical dust precipitator techniques, current major pollutants row
Put the requirement that index is satisfied by minimum discharge（SO2≤35mg/Nm3, NOX≤50mg/Nm3, flue dust≤5mg/Nm3）, wherein, wet type
Electric cleaner 8 adopts metal polar plate rotating vane type electric cleaner, horizontal, upper and lower two-layer arrangement, each four electric fields of upper and lower two-layer, negative electrode
Line, positive plate and internals adopt 316L rustless steels, housing to serve as a contrast glass flake anticorrosion process using carbon steel, and flushing water is adopted
Unit industry water, spray-water is collected in water conservancy alkali storage tank 16 plus alkali using rinsing and entered back in cyclic water tank 19 after filtering
Utilization is circulated, with full automatic seperator of ash and water 20 micron filtration impurity are carried out, realize effective point of ash and water
From.
By analysis, the water of extra feed tank 14 is industry water（18 degrees Celsius of water temperature）, into before spray system through Y
Type filter is intercepted（Filter screen is 20 mesh, and screen size is less than 1mm）, and use the spray spout and flooding nozzle bore of industry water
About 2.4mm and 3.2mm, is not easily blocked, and suitably the waste water of a part of wet electrical dust precipitator 8 can be drained into into extra feed tank 14 and be followed
Ring is utilized, and remainder drains into wet desulphurization limestone slurry liquid case 2 for slurrying, and concrete assignment of traffic is carried out according to unit load
Control, went all the way wastewater disposal basin containing coal 1 only to do emergency duty originally.
The above, is only preferred embodiment of the present utility model, is not to make other forms to this utility model
Restriction, any those skilled in the art changed possibly also with the technology contents of the disclosure above or be modified as equivalent
The Equivalent embodiments of change.But it is every without departing from technical solutions of the utility model content, according to technology reality of the present utility model
Any simple modification, equivalent variations and remodeling that confrontation above example is made, still fall within the guarantor of technical solutions of the utility model
Shield scope.
Claims (6)
1. a kind of metal polar plate wet electrical dust precipitator Waste Water Treatment, including wastewater disposal basin containing coal（1）, make-up water pipeline, circulation
Water lines and wet electrical dust precipitator（8）, cleaner unit drain pipe（20）Wastewater disposal basin containing coal is connected by circulating water line（1）, it is special
Levy and be：Described cleaner unit drain pipe（20）The water intake end of connection circulating water line, the water side of circulating water line is provided with ash
Water separator, the port of export of seperator of ash and water connects respectively recirculated water connecting line and wastewater discharge pipe（4）, recirculated water connecting tube
The described wet electrical dust precipitator of road connection（8）Water intake end, wastewater discharge pipe（4）It is divided into three tunnels and connects wastewater disposal basin containing coal respectively（1）、
Desulfurized limestone slurry tank（2）And extra feed tank（14）.
2. a kind of metal polar plate wet electrical dust precipitator Waste Water Treatment according to claim 1, it is characterised in that：It is described
Wet electrical dust precipitator（8）One end is also connected with smoke inlet pipe（6）, the other end is by cleaner unit escape pipe（10）Connection chimney
（11）.
3. a kind of metal polar plate wet electrical dust precipitator Waste Water Treatment according to claim 1, it is characterised in that：It is described
Circulating water line one end be also associated with alkali liquor pipeline, alkali liquor pipeline includes alkali storage tank（16）, lye pump（17）And lye export
Pipe（18）, lye export pipe（18）Connection circulating water line.
4. a kind of metal polar plate wet electrical dust precipitator Waste Water Treatment according to claim 1, it is characterised in that：It is described
Circulating water line include by the fluid cyclic water tank that is sequentially connected of trend（19）, water circulating pump and seperator of ash and water, recirculated water
Case（19）The port of export be divided into two connection wet electrical dust precipitators（8）Circulating water inlet, on two circulating water inlets point
Not She Zhi water circulating pump and seperator of ash and water, the port of export side of the two seperator of ash and water described wastewater discharge pipe of connection jointly
（4）.
5. a kind of metal polar plate wet electrical dust precipitator Waste Water Treatment according to claim 1, it is characterised in that：It is described
Make-up water pipeline include make-up pipe（9）, unit industry water pipe（12）, make-up pump（13）And extra feed tank（14）, supply
Water tank（14）Arrival end connection unit industry water pipe（12）, the port of export is by make-up pipe（9）Connection wet electrical dust precipitator
（8）, and make-up pipe（9）It is provided with make-up pump（13）.
6. a kind of metal polar plate wet electrical dust precipitator Waste Water Treatment according to claim 1, it is characterised in that：It is described
Desulfurized limestone slurry tank（2）Arrival end be also connected with sulfur removal technology water water inlet pipe（3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621050480.3U CN206082845U (en) | 2016-09-13 | 2016-09-13 | Metal plates wet -type electrostatic precipitator effluent disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621050480.3U CN206082845U (en) | 2016-09-13 | 2016-09-13 | Metal plates wet -type electrostatic precipitator effluent disposal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206082845U true CN206082845U (en) | 2017-04-12 |
Family
ID=58475212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621050480.3U Expired - Fee Related CN206082845U (en) | 2016-09-13 | 2016-09-13 | Metal plates wet -type electrostatic precipitator effluent disposal system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206082845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134425A (en) * | 2021-04-23 | 2021-07-20 | 华能国际电力股份有限公司上海石洞口第一电厂 | Wet-type electric dust removal device for coal-fired power plant |
-
2016
- 2016-09-13 CN CN201621050480.3U patent/CN206082845U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134425A (en) * | 2021-04-23 | 2021-07-20 | 华能国际电力股份有限公司上海石洞口第一电厂 | Wet-type electric dust removal device for coal-fired power plant |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20190913 |
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| CF01 | Termination of patent right due to non-payment of annual fee |