CN108380033A - Flue gas desulfurization condensation dedusting takes off white integral system and its application method - Google Patents
Flue gas desulfurization condensation dedusting takes off white integral system and its application method Download PDFInfo
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- CN108380033A CN108380033A CN201810377321.1A CN201810377321A CN108380033A CN 108380033 A CN108380033 A CN 108380033A CN 201810377321 A CN201810377321 A CN 201810377321A CN 108380033 A CN108380033 A CN 108380033A
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- Prior art keywords
- layer
- desulfurization
- flue gas
- demister
- integral system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The present invention relates to a kind of flue gas desulfurization condensation dedustings to take off white integral system,Including desulfuration spray tower,Desulfuration spray tower lower part is desulfurization oxidizing and crystallizing area,Desulfurization oxidizing and crystallizing area top is the spraying zone equipped with spray equipment,Spraying zone top is equipped with high-effective dust-removing demister,High-effective dust-removing demister includes being located in desulfuration spray tower,The thick grade demister of first layer laid successively from lower to upper,The thin grade demister of the second layer,Third layer fine-grade demister,Desulfuration spray tower is equipped with smoke inlet between spraying zone and desulfurization oxidizing and crystallizing area,Condensing unit is equipped between the thin grade demister of the second layer and third layer fine-grade demister,Condensing unit includes condensed water two-fluid nozzle,Condensate layer is equipped with below condensed water two-fluid nozzle successively,Liquid dish,Liquid dish is connect with filtering tank,Desulfuration spray tower is passed through branch pipe between third layer fine-grade demister and top exhanst gas outlet equipped with hot wind.The structure that flue gas desulfurization condensation dedusting takes off white integral system is simple.
Description
Technical field
The present invention relates to a kind of flue gas desulfurization condensation dedustings to take off white integral system and its application method.
Background technology
Absorption tower is the core apparatus of flue gas desulphurization system.Absorption tower broad form has spray column, packed tower, jet bubbling
Tower, liquid column tower, tubulent contact tower, venturi tower, porous tower, rotating stream tray scrubber etc..The mainstream tower of wet desulphurization at present is spray column, spray
The occupation rate of market for drenching tower is more than 90%.Existing desulfuration spray tower has that efficiency of dust collection is low, and often can not be clear
Except dust fine in industrial waste gas, coal ash, when discharge, pollutes, and if things go on like this easily causes haze, is increasingly focusing on
Today of environmental protection, existing desulfuration spray tower have not adapted to the newest smoke contamination object discharge index of current Environmental Protection in China
It is required that while to cannot achieve flue gas de- white, it is inconvenient for use.
Invention content
In view of the deficiencies in the prior art, technical problem to be solved by the invention is to provide a kind of flue gas desulfurizations to condense dedusting
White integral system and its application method are taken off, is not only simple in structure, and convenient and efficient.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of de- white one of flue gas desulfurization condensation dedusting
Change system, including desulfuration spray tower, desulfuration spray tower lower part be desulfurization oxidizing and crystallizing area, desulfurization oxidizing and crystallizing area top be equipped with
The spraying zone of spray equipment, spraying zone top are equipped with high-effective dust-removing demister, and high-effective dust-removing demister includes being located at desulfurization
The thick grade demister of first layer in spray column, lay successively from lower to upper, the thin grade demister of the second layer, third layer fine-grade remove
Day with fog, desulfuration spray tower are equipped with smoke inlet, the thin grade demister of the second layer and the between spraying zone and desulfurization oxidizing and crystallizing area
Condensing unit is equipped between three layers of fine-grade demister, condensing unit includes condensed water two-fluid nozzle, the spray of condensed water two-fluid
Head lower section is equipped with condensate layer, liquid dish successively, and liquid dish is connect with filtering tank, and desulfuration spray tower is in third layer fine-grade demister
Between the exhanst gas outlet of top branch pipe is passed through equipped with hot wind.
Preferably, upward, the inside of the desulfuration spray tower connects liquid layer to the opening of the liquid dish at least provided with two layers, often
Layer connects liquid layer and is evenly equipped with several liquid dish, and neighbouring two liquid dish for connecing liquid layer are staggered.
Preferably, the liquid dish is connected through the inlet of delivery pipe and filtering tank, and the filtering tank is internally provided with
The leakage fluid dram of filter core, the filtering tank is connected through the water inlet of water pipe and cooler, the condensed water of water outlet of the cooler
Circulation pipe is connect with condensed water two-fluid nozzle, and the condensate water circulatory pipe is equipped with coolant circulation pump, the condensed water double fluid
The quantity of body nozzle is several.
Preferably, the cooler is equipped with cooling water supply port and discharge of wastewater mouth.
Preferably, the condensate layer includes several condenser pipes, has gap between adjacent condenser pipe.
Preferably, the upper and lower part of every layer of demister is equipped with mist eliminator flushing system.
Preferably, the desulfuration spray tower is equipped in the tower wall in desulfurization oxidizing and crystallizing area for stirring internal desulfurization slurry
Blender, be additionally provided in the tower wall of the desulfuration spray tower for the matched oxidation air access tube of blender, it is described
Oxidation air access tube is passed through oxidation air into desulfurization slurry.
Preferably, the spray equipment includes 3~6 layers of spraying layer, several atomization sprays are laid on each spraying layer
Mouth, the atomizer are connected by desulfurization slurry circulation pipe with desulfurization oxidizing and crystallizing area, the desulfurization slurry circulation pipe
It is equipped with desulfurization slurry circulating pump.
A kind of flue gas desulfurization condensation dedusting takes off the application method of white integral system, carries out according to the following steps：（1）Desulfurization oxygen
The desulfurization slurry for changing crystal region is delivered to spraying zone by desulfurization slurry circulating pump, and spraying zone is equipped with atomizer, boiler smoke
Gas is reacted with desulfurization slurry upward after entering desulfuration spray tower from smoke inlet, and flue gas after desulfurization enters the thick grade demisting of first layer
The thin grade demister rough dusting demisting of device, the second layer；（2）Flue gas after rough dusting demisting continues up and the water spray that is condensed
Leaching, dust meet water condensation and grow up and be adsorbed on condensate layer, then fall into liquid dish and are transported to filtering tank filtering；（3）By
The flue gas of condensing unit continues that it is logical to be then up passed through branch pipe with hot wind by the further dedusting demisting of third layer fine-grade demister
The heat source mixing white-smoke-removing entered, is finally discharged from exhanst gas outlet.
Preferably, in step（2）In, pH adjusting agent is added on the delivery pipe of liquid dish, and filtering tank is flowed to after mixing.
Compared with prior art, the invention has the advantages that：Simple in structure, desulfurization effect is good, while can also be into
One step removes the particulate matters such as dust, the cinder in industrial waste gas, inhibits to generate or reduce haze, eliminates white cigarette, environmental protection.
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
Description of the drawings
Fig. 1 is the organigram of the embodiment of the present invention.
Fig. 2 is the organigram of liquid dish in the embodiment of the present invention.
Specific implementation mode
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and coordinate attached drawing, make detailed
Carefully it is described as follows.
As shown in Figure 1 and 2, a kind of flue gas desulfurization condensation dedusting takes off white integral system, including desulfuration spray tower 1, desulfurization spray
It is desulfurization oxidizing and crystallizing area 2 to drench tower lower part, and desulfurization oxidizing and crystallizing area top is the spraying zone 3 equipped with spray equipment, in spraying zone
Portion is equipped with high-effective dust-removing demister, and high-effective dust-removing demister includes being located in desulfuration spray tower, cloth successively from lower to upper
If the thick grade demister 4 of first layer, the thin grade demister 5 of the second layer, third layer fine-grade demister 6, desulfuration spray tower is spraying
Smoke inlet 7 is equipped between area and desulfurization oxidizing and crystallizing area, between the thin grade demister of the second layer and third layer fine-grade demister
Equipped with condensing unit, condensing unit includes condensed water two-fluid nozzle 8, and condensate layer is equipped with successively below condensed water two-fluid nozzle
9, liquid dish 10, liquid dish are connect with filtering tank 11, and desulfuration spray tower is in third layer fine-grade demister and top exhanst gas outlet
Between equipped with hot wind be passed through branch pipe 12.
In embodiments of the present invention, the blade pitgh of the thick grade demister of the first layer is 29~31mm, the thin grade of the second layer
The blade pitgh of demister is 26.5~28.5mm, and the blade pitgh of third layer fine-grade demister is 24~26mm, described the
One layer of thick grade demister, the thin grade demister of the second layer, third layer fine-grade demister blade tilt be 36.5~38.5 °, often
The blade of layer demister is combined into ridge type.
In embodiments of the present invention, upward, the inside of the desulfuration spray tower is at least provided with two for the opening of the liquid dish
Layer connects liquid layer, and every layer connects liquid layer and is evenly equipped with several liquid dish, and neighbouring two liquid dish for connecing liquid layer are staggered.
In embodiments of the present invention, the liquid dish is connect through delivery pipe 13 with the inlet at the top of filtering tank, described
Filtering tank is internally provided with filter core 14, and the leakage fluid dram of the filtering pot bottom is connect through water pipe 15 with the water inlet of cooler, institute
The condensed water-circulating pipe of water outlet 16 for stating cooler is connect with condensed water two-fluid nozzle, and the condensate water circulatory pipe is equipped with
The quantity of coolant circulation pump 17, the condensed water two-fluid nozzle is several.
In embodiments of the present invention, the cooler is equipped with cooling water supply port 18 and discharge of wastewater mouth 19, cooler
Regular replenishment cooling water, and the water in cooler periodically outer venting lime stone slurrying or goes wastewater treatment.
In embodiments of the present invention, the condensate layer includes several condenser pipes, has gap between adjacent condenser pipe.
In embodiments of the present invention, the upper and lower part of every layer of demister is equipped with mist eliminator flushing system 20, mist eliminator flushing
System is led to industry water and is rinsed to demister, and demister is the prior art with mist eliminator flushing system, is no longer illustrated here.
In embodiments of the present invention, the desulfuration spray tower is equipped in the tower wall in desulfurization oxidizing and crystallizing area in stirring
The blender 21 of portion's desulfurization slurry, be additionally provided in the tower wall of the desulfuration spray tower for the matched oxidation air of blender
Access tube 22, the oxidation air access tube are passed through oxidation air into desulfurization slurry.
In embodiments of the present invention, the spray equipment includes 3~6 layers of spraying layer, if being laid on each spraying layer
Dry atomizer 23, the atomizer is connected by desulfurization slurry circulation pipe 24 with desulfurization oxidizing and crystallizing area, described
Desulfurization slurry circulation pipe is equipped with desulfurization slurry circulating pump 25.
A kind of flue gas desulfurization condensation dedusting takes off the application method of white integral system, carries out according to the following steps：（1）Desulfurization oxygen
The desulfurization slurry for changing crystal region is delivered to spraying zone by desulfurization slurry circulating pump, and spraying zone is equipped with atomizer, boiler smoke
Gas is reacted with desulfurization slurry upward after entering desulfuration spray tower from smoke inlet, and flue gas after desulfurization enters the thick grade demisting of first layer
The thin grade demister rough dusting demisting of device, the second layer；（2）Flue gas after rough dusting demisting continues up and the water spray that is condensed
Leaching, dust meet water condensation and grow up and be adsorbed on condensate layer, then fall into liquid dish and are transported to filtering tank filtering；（3）By
The flue gas of condensing unit continues that it is logical to be then up passed through branch pipe with hot wind by the further dedusting demisting of third layer fine-grade demister
The heat source mixing white-smoke-removing entered, is finally discharged from exhanst gas outlet, boiler secondary air or flue heat exchange heat can be used in heat source, not shadow
The operation of acoustic system, environmental protection and energy saving, operation and maintenance are easy, operating cost is low；High dust collection efficiency, can be by remaining fine grained powder
Largely condensation enters in draining the pollutant components such as dirt, sulfur dioxide, acid, heavy metal, reduces desulfurization water consumption, securely and reliably.
In embodiments of the present invention, in step（2）In, pH adjusting agent is added on the delivery pipe of liquid dish, is flowed after mixing
To filtering tank, because the flue gas after desulfurization need to add pH adjusting agent in acidity to ensure that cooling water circulation uses（Soda）, adjust
PH is saved to neutrality.
The present invention is not limited to above-mentioned preferred forms, anyone can show that other are each under the inspiration of the present invention
The flue gas desulfurization condensation dedusting of kind form takes off white integral system and its application method.It is all to be done according to scope of the present invention patent
Equivalent changes and modifications, should all belong to the present invention covering scope.
Claims (10)
1. a kind of flue gas desulfurization condensation dedusting takes off white integral system, including desulfuration spray tower, desulfuration spray tower lower part is desulfurization
Oxidizing and crystallizing area, desulfurization oxidizing and crystallizing area top are the spraying zone equipped with spray equipment, and spraying zone top is removed equipped with high-effective dust-removing
Mist device, high-effective dust-removing demister include being located at the thick grade of first layer in desulfuration spray tower, laying successively from lower to upper to remove
The thin grade demister of day with fog, the second layer, third layer fine-grade demister, desulfuration spray tower spraying zone and desulfurization oxidizing and crystallizing area it
Between be equipped with smoke inlet, it is characterised in that：Condensation dress is equipped between the thin grade demister of the second layer and third layer fine-grade demister
It sets, condensing unit includes condensed water two-fluid nozzle, is equipped with condensate layer, liquid dish successively below condensed water two-fluid nozzle, connects
Liquid disk is connect with filtering tank, and desulfuration spray tower is passed through between third layer fine-grade demister and top exhanst gas outlet equipped with hot wind
Branch pipe.
2. flue gas desulfurization condensation dedusting according to claim 1 takes off white integral system, it is characterised in that：The liquid dish
It is open upward, at least provided with connecing liquid layer for two layers, every layer connects liquid layer and is evenly equipped with several and connects liquid for the inside of the desulfuration spray tower
Disk, neighbouring two liquid dish for connecing liquid layer are staggered.
3. flue gas desulfurization condensation dedusting according to claim 1 takes off white integral system, it is characterised in that：The liquid dish
It is connected through the inlet of delivery pipe and filtering tank, the filtering tank is internally provided with filter core, the leakage fluid dram warp of the filtering tank
The water inlet of water pipe and cooler connects, and the condensed water-circulating pipe of water outlet and the condensed water two-fluid nozzle of the cooler connect
It connects, the condensate water circulatory pipe is equipped with coolant circulation pump, and the quantity of the condensed water two-fluid nozzle is several.
4. flue gas desulfurization condensation dedusting according to claim 3 takes off white integral system, it is characterised in that：The cooler
It is equipped with cooling water supply port and discharge of wastewater mouth.
5. flue gas desulfurization condensation dedusting according to claim 1 takes off white integral system, it is characterised in that：The condensate layer
Including several condenser pipes, there is gap between adjacent condenser pipe.
6. flue gas desulfurization condensation dedusting according to claim 1 takes off white integral system, it is characterised in that：Every layer of demister
Upper and lower part be equipped with mist eliminator flushing system.
7. flue gas desulfurization condensation dedusting according to claim 1 takes off white integral system, it is characterised in that：The desulfurization spray
Leaching tower is equipped with the blender for stirring internal desulfurization slurry in the tower wall in desulfurization oxidizing and crystallizing area, the desulfuration spray tower
Be additionally provided in tower wall for the matched oxidation air access tube of blender, the oxidation air access tube is into desulfurization slurry
It is passed through oxidation air.
8. flue gas desulfurization condensation dedusting according to claim 1 takes off white integral system, it is characterised in that：The spray dress
It sets and includes 3~6 layers of spraying layer, be laid with several atomizers on each spraying layer, the atomizer passes through desulfurization
Serum recycle pipe is connected with desulfurization oxidizing and crystallizing area, and the desulfurization slurry circulation pipe is equipped with desulfurization slurry circulating pump.
9. a kind of flue gas desulfurization condensation dedusting takes off the application method of white integral system, which is characterized in that using such as claim
Any flue gas desulfurization condensation dedusting described in 1-8 takes off white integral system, and carries out according to the following steps：（1）Desulfurization oxidation knot
The desulfurization slurry of crystalline region is delivered to spraying zone by desulfurization slurry circulating pump, and spraying zone is equipped with atomizer, boiler smoke from
Smoke inlet is reacted with desulfurization slurry upward after entering desulfuration spray tower, and flue gas after desulfurization enters the thick grade demister of first layer,
Two layers thin grade demister rough dusting demisting；（2）Flue gas after rough dusting demisting continues up and the water spray that is condensed, dust
It meets water condensation to grow up and be adsorbed on condensate layer, then fall into liquid dish and is transported to filtering tank filtering；（3）By condensing unit
Flue gas continue up by the further dedusting demisting of third layer fine-grade demister, the heat source that branch pipe is passed through then is passed through with hot wind
White-smoke-removing is mixed, is finally discharged from exhanst gas outlet.
10. flue gas desulfurization condensation dedusting according to claim 9 takes off the application method of white integral system, feature exists
In：In step（2）In, pH adjusting agent is added on the delivery pipe of liquid dish, and filtering tank is flowed to after mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810377321.1A CN108380033A (en) | 2018-04-25 | 2018-04-25 | Flue gas desulfurization condensation dedusting takes off white integral system and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810377321.1A CN108380033A (en) | 2018-04-25 | 2018-04-25 | Flue gas desulfurization condensation dedusting takes off white integral system and its application method |
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| Publication Number | Publication Date |
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| CN108380033A true CN108380033A (en) | 2018-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810377321.1A Pending CN108380033A (en) | 2018-04-25 | 2018-04-25 | Flue gas desulfurization condensation dedusting takes off white integral system and its application method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550382A (en) * | 2018-12-04 | 2019-04-02 | 北京朗净时代环境科技有限公司 | A kind of desulfuration boiler flue gas purification device |
| CN109806744A (en) * | 2019-03-27 | 2019-05-28 | 广东佳德环保科技有限公司 | A kind of desulfurizing industrial fume denitration takes off white device |
| CN110882608A (en) * | 2019-11-27 | 2020-03-17 | 攀枝花市蓝鼎环保科技有限公司 | Flue gas desulfurization dust removal defogging coupled system |
| CN111841218A (en) * | 2020-07-17 | 2020-10-30 | 浙江天地环保科技股份有限公司 | Wet flue gas dedusting system and method after wet desulphurization |
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| CN205948657U (en) * | 2016-08-11 | 2017-02-15 | 福建鑫泽环保设备工程有限公司 | Desulfurization spraying tower with high -efficient dust removal defogging function |
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| CN206285690U (en) * | 2016-12-06 | 2017-06-30 | 四川省简阳空冷器制造有限公司 | A kind of device for eliminating white cigarette |
| CN206730770U (en) * | 2017-04-21 | 2017-12-12 | 西安西热锅炉环保工程有限公司 | A kind of wet process of FGD phase transformation coalescence dedusting demister |
| CN208436653U (en) * | 2018-04-25 | 2019-01-29 | 福建鑫泽环保设备工程有限公司 | Flue gas desulfurization condensation dedusting takes off white integral system |
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| CN208436653U (en) * | 2018-04-25 | 2019-01-29 | 福建鑫泽环保设备工程有限公司 | Flue gas desulfurization condensation dedusting takes off white integral system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550382A (en) * | 2018-12-04 | 2019-04-02 | 北京朗净时代环境科技有限公司 | A kind of desulfuration boiler flue gas purification device |
| CN109806744A (en) * | 2019-03-27 | 2019-05-28 | 广东佳德环保科技有限公司 | A kind of desulfurizing industrial fume denitration takes off white device |
| CN110882608A (en) * | 2019-11-27 | 2020-03-17 | 攀枝花市蓝鼎环保科技有限公司 | Flue gas desulfurization dust removal defogging coupled system |
| CN111841218A (en) * | 2020-07-17 | 2020-10-30 | 浙江天地环保科技股份有限公司 | Wet flue gas dedusting system and method after wet desulphurization |
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