CN206082145U - Wet flue gas desulfurization system - Google Patents
Wet flue gas desulfurization system Download PDFInfo
- Publication number
- CN206082145U CN206082145U CN201621063236.0U CN201621063236U CN206082145U CN 206082145 U CN206082145 U CN 206082145U CN 201621063236 U CN201621063236 U CN 201621063236U CN 206082145 U CN206082145 U CN 206082145U
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- CN
- China
- Prior art keywords
- absorption tower
- tower
- demister
- flue gas
- desulfurization
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Abstract
The utility model provides a wet flue gas desulfurization system relates to the gas cleaning field. The utility model discloses a flue gas system, slurry preparation system, desulfurizing tower system and row's thick liquid and dewatering system, flue gas system includes electrostatic precipitator, draught fan, semi -dry desulfurization tower and sack cleaner, electrostatic precipitator, draught fan, semi -dry desulfurization tower and sack cleaner are consecutive, the desulfurizing tower system includes the absorption tower, the absorption tower with the sack cleaner links to each other, the slurry preparation system includes lime powder storehouse and thick liquid pond, the thick liquid pond with the absorption tower links to each other, lime powder storehouse with the thick liquid pond links to each other, it includes the pressure filter to arrange thick liquid and dewatering system, the pressure filter with the absorption tower links to each other. The utility model discloses a spouting the outer wet flue gas desulfurization of limestone flour and stove in the stove and combining together, SO2 discharges the emission standard requirement that can reach 100mgm3 to can the at utmost reduce desulfurization system material consumption, improve production efficiency and improved economic benefits greatly.
Description
Technical field
This utility model is related to filed of flue gas purification, and in particular to a kind of wet desulfurization system.
Background technology
At present, problem of environmental pollution is by the extensive concern of various circles of society, and air pollution problems inherent is especially prominent.In order to full
Foot country is to SO2Emission request, many enterprises all employ corresponding desulfurization measure.Conventional at present is suitable for middle-size and small-size pot
Kiln gas sulfur method mainly has the Wet techniques such as calcium pot Dual alkali, lime method, limestone-based process, magnesium oxide method, but substantially takes off
Sulfur rate can only achieve 90% or so.
A kind of wet desulphurization device (Authorization Notice No. of patent:The U of CN 204563925), disclose a kind of wet desulphurization dress
Put, including the housing with smoke inlet and exhanst gas outlet, be arranged on housing bottom for depositing the active slurry of desulfurization slurry
Pond, be arranged on active slurry pond top and it is coupled be common to desulfurization slurry is imported and sprayed desulfurization spray dress
Put, smoke inlet is located at the lower section of desulfurization spray equipment, exhanst gas outlet is located at the top of desulfurization spray equipment, wet desulphurization device
Also include being arranged on desulfurization spray equipment lower section, the bubbling fluidized bed above smoke inlet be connected with active slurry pond for
Storage simultaneously conveys the chemical addition agent fluid reservoir for improving the chemical addition agent of its chemical reactivity to desulfurization slurry.Pass through
The a small amount of chemical addition agent of addition, to improve the dissolving of limestone, reduces liquid-gas ratio and reduces serosity spray flux, using bubbling
The bubbling of fluidized reaction bed, broken flue gas auto purification is set to reach more high desulfurization efficiency.But addition chemical addition agent still pair sets
Standby and environment causes certain pollution, and technique is complex.
Utility model content
To solve above-mentioned technical problem, this utility model provide it is a kind of reduce system material consumption, low production cost and
The high wet desulfurization system of desulfurization absorbent utilization rate.
This utility model provides following technical scheme：
A kind of wet desulfurization system, including flue gas system, serum producing system, desulfurization Tower System and plasma discharge and dehydration system
System；The flue gas system includes electric cleaner, air-introduced machine, semi-dry desulphurization tower and sack cleaner, the electric cleaner, air inducing
Machine, semi-dry desulphurization tower and sack cleaner are sequentially connected；The desulfurization Tower System include absorption tower, the absorption tower with it is described
Sack cleaner is connected；The serum producing system includes lime powder bin and slurry pool, the slurry pool and the absorption tower phase
Even, the lime powder bin is connected with the slurry pool；The plasma discharge and dewatering system include pressure filter, the pressure filter with it is described
Absorption tower is connected.
Preferably, demister system and oxidation cycle system are provided with the absorption tower, the demister system is located at absorption tower
Top, the oxidation cycle system is located at the absorption tower bottom.
Preferably, the demister system includes spray equipment and demister, and the spray equipment and the demister are all provided with
The absorption tower inner top is placed in, the demister is located at the top of the spray equipment.
Preferably, the spray equipment is provided with 2-6 layers, the spray equipment interlaced arrangement, it is ensured that uniform point of drop
Cloth.
Preferably, flusher is additionally provided with the demister, can regularly rinses demister, prevent demister fouling.
Preferably, the oxidation cycle system includes oxidation pond, circulating pump and excavationg pump, and the oxidation pond is located at the suction
Receive tower inner bottom part, the circulating pump and excavationg pump may be contained within outside absorption tower and the circulating pump and excavationg pump respectively with it is described
Oxidation pond connects.
Preferably, the slurry pool top is additionally provided with vertical stirrer, can be stirred continuously serosity, prevents serosity from precipitating.
Preferably, the absorption tower top is additionally provided with direct exhaust chimney.
Using pulverized limestone as desulfurization absorbent, powdered lime is mixed and makes absorption serosity this utility model with water,
Flue gas from boiler passes through former semi-dry desulphurization tower after the electric cleaner dedusting after the air-introduced machine supercharging described in, then
The absorption tower inlet region is entered into after the sack cleaner dedusting, from tower internal oxidition pond top tower body is entered, inhaled
Receive tower in, flue gas adverse current and on top-down absorption slurry liquid contacts, the SO in flue gas2With the Calcium Carbonate and drum in serosity
The oxidation air for entering carries out chemical reaction and is removed, and final reacting product is Gypsum Fibrosum.Flue gas Jing demisters after desulfurization remove band
Discharged by the direct exhaust chimney at the top of the absorption tower after some fine drops.Desulfurated plaster serosity Jing after pressure filter filter-press dehydration,
Gypsum patty is formed, the by-product automobile after dehydration is transported outside factory.Absorb serosity to recycle through circulating pump, desulfurization absorbent
Utilization rate it is very high.
The beneficial effects of the utility model are:The measure combined using spray agstone in stove and the outer wet desulphurization of stove,
SO2Discharge is up to 100mg/m3Discharge standard require, technological process and compact arrangement of equipment, and can at utmost reduce desulfurization
System material is consumed and the energy, not only increases production efficiency, also substantially increases economic benefit.
Description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and constitutes a part for description, with this practicality
New embodiment is used to explain this utility model together, does not constitute to restriction of the present utility model.In the accompanying drawings：
Fig. 1 is this utility model structural representation；
It is labeled as in figure:1st, electric cleaner；2nd, air-introduced machine；3rd, semi-dry desulphurization tower；4th, sack cleaner；5th, absorption tower；
51st, oxidation pond；52nd, demister；53rd, spray equipment；6th, circulating pump；7th, excavationg pump；8th, lime powder bin；9th, slurry pool；10th, filter pressing
Machine；11st, direct exhaust chimney；12nd, vertical mixer.
Specific embodiment
Preferred implementation of the present utility model is described below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of wet desulfurization system of the present utility model, including flue gas system, serum producing system, desulfurization
Tower System and plasma discharge and dewatering system；Flue gas system includes electric cleaner 1, air-introduced machine 2, semi-dry desulphurization tower 3 and bag-type dust
Device 4, electric cleaner 1, air-introduced machine 2, semi-dry desulphurization tower 3 and sack cleaner 4 are sequentially connected；Desulfurization Tower System includes absorption tower
5, absorption tower 5 is connected with sack cleaner 4；Serum producing system includes lime powder bin 8 and slurry pool 9, slurry pool 9 and absorption tower
5 are connected, and lime powder bin 8 is connected with slurry pool 9；Plasma discharge and dewatering system include pressure filter 10, pressure filter 10 and the phase of absorption tower 5
Even.
Demister system and oxidation cycle system are provided with absorption tower 5, the demister system is located at the top of absorption tower 5, described
Oxidation cycle system is located at the bottom of the absorption tower 5.
Demister system includes spray equipment 53 and demister 52, and spray equipment 53 and demister 52 may be contained within absorption tower 5
Inner top, demister 52 is located at the top of spray equipment 53.
Spray equipment 53 is provided with 2-6 layers, the interlaced arrangement of the spray equipment 53, it is ensured that drop is uniformly distributed.
Flusher is additionally provided with demister 52, demister can be regularly rinsed, demister fouling is prevented.
Oxidation cycle system includes oxidation pond 51, circulating pump 6 and excavationg pump 7, and oxidation pond 51 is located at the inner bottom part of absorption tower 5,
Circulating pump 6 and excavationg pump 7 may be contained within outside absorption tower 5 and circulating pump 6 and excavationg pump 7 are respectively connected with oxidation pond 51.
The top of slurry pool 9 is additionally provided with vertical stirrer 12, can be stirred continuously serosity, prevents serosity from precipitating.
The top of absorption tower 5 is additionally provided with direct exhaust chimney 11.
Working method of the present utility model:Using pulverized limestone as desulfurization absorbent, powdered lime mixes system with water
Into serosity is absorbed, the flue gas from boiler passes through former half after the dedusting of the electric cleaner 1, after air-introduced machine 2 is pressurized described in
Dry desulfurizing tower 3, then the inlet region of the absorption tower 5 is entered into after the dedusting of the sack cleaner 4, from tower internal oxidition pond 51
Top enters tower body, in absorption tower 5, flue gas adverse current and on top-down absorption slurry liquid contacts, the SO in flue gas2With slurry
Calcium Carbonate in liquid and the oxidation air for blasting carry out chemical reaction and are removed, and final reacting product is Gypsum Fibrosum.After desulfurization
Flue gas is discharged Jing after demister 52 removes the fine drop for carrying by the direct exhaust chimney at the top of the absorption tower.Desulfurated plaster serosity
Jing after the filter-press dehydration of pressure filter 10, gypsum patty is formed, the by-product automobile after dehydration is transported outside factory.Serosity is absorbed through circulation
Pump 6 is recycled, and the utilization rate of desulfurization absorbent is very high.
Preferred embodiment of the present utility model is the foregoing is only, this utility model is not limited to, although ginseng
This utility model is described in detail according to previous embodiment, for a person skilled in the art, it still can be with
Technical scheme described in foregoing embodiments is modified, or equivalent is carried out to which part technical characteristic.It is all
Within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc. should be included in this practicality
Within new protection domain.
Claims (8)
1. a kind of wet desulfurization system, it is characterised in that including flue gas system, serum producing system, desulfurization Tower System and plasma discharge
And dewatering system；
The flue gas system includes electric cleaner, air-introduced machine, semi-dry desulphurization tower and sack cleaner, the electric cleaner, draws
Blower fan, semi-dry desulphurization tower and sack cleaner are sequentially connected；
The desulfurization Tower System includes absorption tower, and the absorption tower is connected with the sack cleaner；
The serum producing system includes lime powder bin and slurry pool, and the slurry pool is connected with the absorption tower, the Calx
Powder cabin is connected with the slurry pool；
The plasma discharge and dewatering system include pressure filter, and the pressure filter is connected with the absorption tower.
2. a kind of wet desulfurization system according to claim 1, it is characterised in that be provided with demister system in the absorption tower
With oxidation cycle system, positioned at absorption tower top, the oxidation cycle system is positioned at the absorption tower bottom for the demister system.
3. a kind of wet desulfurization system according to claim 2, it is characterised in that the demister system includes spray equipment
And demister, the spray equipment and the demister may be contained within the absorption tower inner top, and the demister is located at described
The top of spray equipment.
4. a kind of wet desulfurization system according to claim 3, it is characterised in that the spray equipment is provided with 2-6 layers, institute
State spray equipment interlaced arrangement.
5. a kind of wet desulfurization system according to claim 3, it is characterised in that flushing dress is additionally provided with the demister
Put.
6. a kind of wet desulfurization system according to claim 2, it is characterised in that the oxidation cycle system includes oxidation
Pond, circulating pump and excavationg pump, the oxidation pond is located at the absorption tower inner bottom part, and the circulating pump and excavationg pump may be contained within inhaling
Receive outside tower and the circulating pump and excavationg pump are respectively connected with the oxidation pond.
7. a kind of wet desulfurization system according to claim 1, it is characterised in that the slurry pool top is additionally provided with vertical
Agitator.
8. a kind of wet desulfurization system according to claim 1, it is characterised in that the absorption tower top is additionally provided with line
Chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621063236.0U CN206082145U (en) | 2016-09-19 | 2016-09-19 | Wet flue gas desulfurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621063236.0U CN206082145U (en) | 2016-09-19 | 2016-09-19 | Wet flue gas desulfurization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206082145U true CN206082145U (en) | 2017-04-12 |
Family
ID=58479967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621063236.0U Expired - Fee Related CN206082145U (en) | 2016-09-19 | 2016-09-19 | Wet flue gas desulfurization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206082145U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108926981A (en) * | 2017-05-24 | 2018-12-04 | 沈阳铝镁设计研究院有限公司 | The desulfurization of aluminium hydroxide production process flue gas and afterheat utilizing system and method |
| CN109011932A (en) * | 2018-06-24 | 2018-12-18 | 盐城市兰丰环境工程科技有限公司 | A kind of SCR processing system |
-
2016
- 2016-09-19 CN CN201621063236.0U patent/CN206082145U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108926981A (en) * | 2017-05-24 | 2018-12-04 | 沈阳铝镁设计研究院有限公司 | The desulfurization of aluminium hydroxide production process flue gas and afterheat utilizing system and method |
| CN109011932A (en) * | 2018-06-24 | 2018-12-18 | 盐城市兰丰环境工程科技有限公司 | A kind of SCR processing system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20180919 |