CN207031170U - A kind of wet desulphurization wastewater zero discharge equipment - Google Patents
A kind of wet desulphurization wastewater zero discharge equipment Download PDFInfo
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- CN207031170U CN207031170U CN201720464201.6U CN201720464201U CN207031170U CN 207031170 U CN207031170 U CN 207031170U CN 201720464201 U CN201720464201 U CN 201720464201U CN 207031170 U CN207031170 U CN 207031170U
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- spray gun
- zero discharge
- wastewater zero
- wet desulphurization
- discharge equipment
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Abstract
The utility model discloses a kind of wet desulphurization wastewater zero discharge equipment, it is related to a kind of wet desulphurization equipment.A kind of wet desulphurization wastewater zero discharge equipment, including the boiler, air preheater, deduster being sequentially connected by pipeline, described electrostatic fabric filter connects desulfurizing tower and wet cottrell by air-introduced machine, the bottom of the desulfurizing tower connects sedimentation basin I by waste water excavationg pump, sedimentation basin I is sequentially connected three headers and sedimentation basin II by three header feed pumps, described sedimentation basin II connects spray gun by spray gun feed pump, and connection air compressor in described spray gun sea is connected and is arranged in boiler.The utility model solves the problems, such as the too high etching apparatus of the chlorion of wet desulfurization system, realizes wastewater zero discharge, avoid arrange outside waste water and caused by environmental pollution.
Description
Technical field
It the utility model is related to a kind of wet desulphurization equipment, and in particular to a kind of wet desulphurization wastewater zero discharge equipment.
Background technology
Flue gas desulphurization uses wet desulphurization, i.e. limestone-gypsum method wet desulfurizing process more.In sweetening process
In, due to bringing into for flue dust flying dust, desulfurizing agent impurity and technique moisturizing, desulphurization circulating liquid chlorine ion enrichment can be caused, seriously
Corrode desulphurization plant.In order to solve corrosion of the chlorion enrichment to equipment, existing solution method is periodically to be taken out from circulation fluid
The waste water of enrichment is taken, after preformed precipitate, three headers add white lime, sodium carbonate, flocculant precipitation, by outside supernatant high-salt wastewater
Row, precipitating sludge concentrate landfill after press filtration.Local environment salinization of soil is easily caused however, being arranged outside high-salt wastewater, seriously endangers ring
Border.
In order to solve drawbacks described above existing for existing wet desulphurization, the utility model have developed a kind of wet desulphurization waste water zero
Exhaust apparatus, both solved the problems, such as the too high etching apparatus of chlorion of wet desulfurization system, and realized wastewater zero discharge again, keep away
Exempt to arrange outside waste water and caused by environmental pollution.
The content of the invention
The purpose of this utility model is to provide a kind of wet desulphurization wastewater zero discharge equipment.
The utility model is achieved through the following technical solutions：
A kind of wet desulphurization wastewater zero discharge equipment, including boiler, air preheater, the deduster being sequentially connected by pipeline,
Described deduster connects desulfurizing tower by air-introduced machine and wet cottrell, the bottom of the desulfurizing tower are discharged by waste water
Pump connects sedimentation basin I, and sedimentation basin I is sequentially connected three headers and sedimentation basin II, described sedimentation basin II by three header feed pumps
Spray gun is connected by spray gun feed pump, connection air compressor in described spray gun sea is connected and is arranged in boiler.
Described deduster is electrostatic fabric filter.
Described spray gun is high-pressure atomization spray gun.
Described spray gun is fastened on the economizer wall of boiler back segment by flange.
Described spray gun is by seamless steel pipe, manual modulation valve, electric control valve, temperature monitor, pressure detecting instrument, atomization
The epimere connection spray gun feed pump of nozzle connection composition, wherein spray gun, lower end is fixed on boiler economizer wallboard.
Also include described automation control system, described automation control system according to the flow of waste water and temperature,
The automatic linkage control of pressure, it is possible to achieve the control of wastewater flow.
Described automation control system is DCS or PLC system.
The utility model will add alkali substance reaction and neutralize in the waste water of acidity, by precipitation, rough segmentation separates out solids
Matter, using cooling principle is evaporated, the high-salt wastewater after three headers and precipitation process is sent to the injection of high-pressure atomization waste water
System, after waste water is pressurizeed, mixed in spray gun with compressed air, eject tiny droplet into after boiler tail economizer
High-temperature flue gas in, using high-temperature high dust flue gas flash-evaporation dehydration, salt in small, broken bits crystalline substance mixed with flue dust after, through boiler tail setting
Deduster purifying and dedusting, salt crystalline substance and dust granule are collected into flyash, are transported to cement plant outside and use cement raw material use as.Cause
Flue dust quality is much larger than villaumite quality, and its mass ratio is 10000:1, thus bring villaumite in the case of this kind, in flyash into will not shadow
Flyash quality is rung, can be ignored, vapor is a ten thousandth to the incrementss of flue gas, is not almost had to whole desulphurization system
There is any influence.
Effect of the utility model by desulfurization wastewater by high-pressure atomization spray gun, the high-temperature flue gas sprayed into after boiler economizer
Section, it is discharged into after entering deduster, blower fan, wet desulphurization, flue gas heat exchange purification with flue gas in air, realizes coal steam-electric plant smoke lime
Stone-ammonia-plaster mode desulphurization system wastewater zero discharge, avoid arranging outside waste water and caused by environmental pollution；Desulfurization wastewater passes through high-pressure atomization
In the presence of spray gun, the high-temperature flue gas section after penetrating boiler economizer, high-temperature high dust flue gas flash-evaporation dehydration, salt in small, broken bits crystalline substance are utilized
After being mixed with flue dust, the deduster purifying and dedusting through boiler tail setting, salt crystalline substance and dust granule are collected into flyash, it is rich
The salt crystalline substance of chloride ion-containing isolates desulphurization system, avoids the corrosion of desulphurization plant pipeline, reduce doctor solution wastewater treatment into
This.
The utility model solves the problems, such as the too high etching apparatus of the chlorion of wet desulfurization system, realizes waste water zero-emission
Put, avoid arrange outside waste water and caused by environmental pollution.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
In figure：1- boilers, 2- air preheaters, 3- dedusters, 4- air-introduced machines, 5- desulfurizing towers, 6- wet cottrells, 7- sprays
Rifle, 8- waste water excavationg pump, 9- sedimentation basins I, the header feed pumps of 10- tri-, the headers of 11- tri-, 12- sedimentation basins II, 13- spray gun feeds
Pump.
Embodiment
The utility model is described further below in conjunction with drawings and examples.Embodiment is only of the present utility model one
Section Example, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
There is all other embodiment made and obtained under the premise of creative work, belong to the scope of the utility model protection.
A kind of wet desulphurization wastewater zero discharge equipment as shown in Figure 1, including boiler 1, the sky being sequentially connected by pipeline
Pre- device 2, deduster 3, described deduster 3 connect desulfurizing tower 5 and wet cottrell 6, the desulfurizing tower by air-introduced machine 4
5 bottom connects sedimentation basin I 9 by waste water excavationg pump 8, and sedimentation basin I 9 is sequentially connected three headers 11 by three header feed pumps 10
With sedimentation basin II 12, described sedimentation basin II 12 connects spray gun 7 by spray gun feed pump 13, and described spray gun 7 is also connected with air
Compressor is connected and is arranged in boiler 1.
Deduster 3 is electrostatic fabric filter.Spray gun 7 is high-pressure atomization spray gun, by seamless steel pipe, manual modulation valve, electric adjustable
Save the epimere connection spray gun feed pump of valve, temperature monitor, pressure detecting instrument, atomizer connection composition, wherein spray gun, lower end
It is fixed on boiler economizer wallboard.Also include DCS or PLC automation control systems, described automation control system according to
The flow of waste water and the automatic linkage of temperature, pressure control, it is possible to achieve the control of wastewater flow.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure or equivalent flow conversion made using the utility model description, or directly or indirectly it is used in other phases
The technical field of pass, similarly it is included in scope of patent protection of the present utility model.
Claims (7)
1. a kind of wet desulphurization wastewater zero discharge equipment, it is characterised in that boiler, sky including being sequentially connected by pipeline are pre-
Device, deduster, described deduster connects desulfurizing tower by air-introduced machine and wet cottrell, the bottom of the desulfurizing tower lead to
Waste water excavationg pump connection sedimentation basin I is crossed, sedimentation basin I is sequentially connected three headers and sedimentation basin II by three header feed pumps, described
Sedimentation basin II spray gun is connected by spray gun feed pump, described spray gun is also connected and is arranged in boiler with air compressor.
2. a kind of wet desulphurization wastewater zero discharge equipment according to claim 1, it is characterised in that described deduster is
Electrostatic fabric filter.
A kind of 3. wet desulphurization wastewater zero discharge equipment according to claim 1 or 2, it is characterised in that described spray gun
For high-pressure atomization spray gun.
A kind of 4. wet desulphurization wastewater zero discharge equipment according to claim 1 or 2, it is characterised in that described spray gun
It is fastened on by flange on the economizer wall of boiler back segment.
A kind of 5. wet desulphurization wastewater zero discharge equipment according to claim 1 or 2, it is characterised in that described spray gun
It is made up of seamless steel pipe, manual modulation valve, electric control valve, temperature monitor, pressure detecting instrument, atomizer connection, wherein
The epimere connection spray gun feed pump of spray gun, lower end is fixed on boiler economizer wallboard.
6. a kind of wet desulphurization wastewater zero discharge equipment according to claim 1 or 2, it is characterised in that also include automatic
Networked control systems.
A kind of 7. wet desulphurization wastewater zero discharge equipment according to claim 6, it is characterised in that described automation control
System processed is DCS or PLC system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720464201.6U CN207031170U (en) | 2017-04-28 | 2017-04-28 | A kind of wet desulphurization wastewater zero discharge equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720464201.6U CN207031170U (en) | 2017-04-28 | 2017-04-28 | A kind of wet desulphurization wastewater zero discharge equipment |
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| CN207031170U true CN207031170U (en) | 2018-02-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559786A (en) * | 2019-08-28 | 2019-12-13 | 嘉兴新嘉爱斯热电有限公司 | flue gas whitening system and method based on partial organic Rankine cycle |
-
2017
- 2017-04-28 CN CN201720464201.6U patent/CN207031170U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559786A (en) * | 2019-08-28 | 2019-12-13 | 嘉兴新嘉爱斯热电有限公司 | flue gas whitening system and method based on partial organic Rankine cycle |
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