CN207287090U - A kind of purifying processing device of production of carbon black exhaust gas - Google Patents
A kind of purifying processing device of production of carbon black exhaust gas Download PDFInfo
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- CN207287090U CN207287090U CN201721002504.2U CN201721002504U CN207287090U CN 207287090 U CN207287090 U CN 207287090U CN 201721002504 U CN201721002504 U CN 201721002504U CN 207287090 U CN207287090 U CN 207287090U
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- heater
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Abstract
The utility model discloses a kind of purifying processing device of production of carbon black exhaust gas, including dry desulfurization reactor, heater and Benitration reactor, dry desulfurization reactor connects exhaust steam passage, deduster and heat exchanger are sequentially connected between dry desulfurization reactor and heater, deduster connects the cold flow passage of heat exchanger, heater connects Benitration reactor, and the gas vent of Benitration reactor connects the heat passage of heat exchanger, clean gas outlet is set on the heat passage of heat exchanger.During use, production of carbon black exhaust gas can be without dehydration, after directly removing oxysulfide and dust by dry desulfurization reactor and deduster, reheating is sent to Benitration reactor, gas after denitration is discharged with removing the exhaust gas of oxysulfide and dust after heat exchange, on the one hand can reclaiming clean gas as far as possible thermal energy, reduce the thermal energy usage amount of heater；On the other hand, the flue-gas temperature into Benitration reactor is improved, avoids denitrating catalyst from blocking and improves reactivity.
Description
Technical field
The utility model is a kind of purifying processing device of production of carbon black exhaust gas, and in particular to sulfur-bearing is nitrogenous in production of carbon black
The processing unit of exhaust gas, belongs to the process field of the nitrogenous exhaust gas of sulfur-bearing.
Background technology
Carbon black is a kind of industrial raw material that purposes is relatively broad currently on the market, there is the work(such as reinforcement, wear-resisting and filling
Can, irreplaceable effect is all played in industries such as tire, rubber, plastics.The industrial process of carbon black is with fuel oil
（Or combustion gas）It is raw material with feedstock oil, fuel oil（Or combustion gas）High-temperature high-speed airflow is produced in combustion furnace, feedstock oil is by trunnion
Place sprays into the high-temperature high-speed airflow produced through combustion furnace and is atomized rapidly and cracks, and the carbon black and combustion residual air of generation are rapid by chilled water (chw)
Cooling, which terminates, reacts, and again after carbon black is collected in a series of processing, the exhaust gas of discharge is the carbon black smoke after chilling
Carbon black tail gas.The temperature of carbon black tail gas is usually 180 DEG C, and main component has water vapour, oxysulfide, nitride and dust, directly
Run in put and can cause serious atmosphere pollution.Existing situation disposition is that the humidity of carbon black tail gas is higher, and moisture approaches
40%, using conventional wet lay desulphurization system, system water can be caused to be difficult to balance；The temperature of carbon black tail gas is usually 180 DEG C, temperature
It is relatively low, be not suitable for carrying out denitration using conventional scr system.
Existing patent document CN105597501A（A kind of method of exhuast gas desulfurization, denitration in carbon black process,
2016.01.04）A kind of desulphurization and denitration method to exhaust gas in carbon black process is disclosed, its processing step is carbon black successively
Tail gas and dry waste gas dehydration；With carrying out denitration after dehydration exhaust gas mixed heat transfer after dehydration tail-gas burning；By the exhaust gas after denitration
Mixed after recycling thermal energy with another part dehydration exhaust gas and carry out desulfurization.The technical solution contains nitrogen by production of carbon black drying process
Denitration, desulfurization in the dry waste gas and boiler running process of oxide and oxysulfide are combined, and using existing dehydration, are taken off
Nitre, desulphurization plant, it is not necessary to which the newly-built equipment of investment, exhaust gas qualified discharge, does not cause secondary pollution.
Utility model content
The purpose of this utility model is to provide a kind of purifying processing device of production of carbon black exhaust gas, production of carbon black exhaust gas can
With without dehydration, after directly removing oxysulfide and dust by dry desulfurization reactor and deduster, reheating is sent to de-
Nitre reactor, the gas after denitration are discharged with removing the exhaust gas of oxysulfide and dust after heat exchange, on the one hand can be as far as possible
Reclaiming clean gas thermal energy, reduce the thermal energy usage amount of heater；On the other hand, the flue gas into Benitration reactor is improved
Temperature, avoids denitrating catalyst from blocking and improves reactivity.
The utility model is achieved through the following technical solutions：A kind of purifying processing device of production of carbon black exhaust gas, including it is dry
Method desulfurization reactor, heater and Benitration reactor, dry desulfurization reactor connection exhaust steam passage, dry desulfurization reactor and plus
Deduster and heat exchanger are sequentially connected between hot device, deduster connects the cold flow passage of heat exchanger, heater connection denitration reaction
Device, the gas vent of Benitration reactor connect the heat passage of heat exchanger, clean gas outlet are set on the heat passage of heat exchanger.
The dry desulfurization reactor is dry method absorption tower, sets absorbent dry material case, the absorbent dry powder thing
Hopper at least connects one in exhaust steam passage, dry method absorption tower.
The dry desulfurization reactor is the dry method absorption tower equipped with recirculating fluidized bed, sets absorbent dry material case,
The absorbent dry material case at least connects one in exhaust steam passage, recirculating fluidized bed, dry method absorption tower.
The absorbent dry material case is CaO body feed tanks or Ca (OH)2Body feed tank.
The deduster includes bag filter, filter membrane, one kind in electric precipitator or at least two combination.
The heater includes burner（Burner）, gas-gas heat exchanger（GGH）, steam heater, one in electric heater
Kind or at least two combination.
The Benitration reactor is SCR reactors.
The utility model compared with prior art, has the following advantages and beneficial effect：
（1）The utility model is used using dry desulfurization reactor, heater and Benitration reactor collocation, and production of carbon black is given up
Gas is fed directly to dry desulfurization reactor removing oxysulfide, solves existing because production of carbon black exhaust gas is wet without dehydration
Degree is higher, the problem of being difficult to balance using water system during conventional wet lay sulfur removal technology, full-dry desulfurizing, moreover it is possible to solve SO3Deng gas
Colloidal sol problem；Heater send the exhaust gas for removing oxysulfide to Benitration reactor（SCR denitration reactor）Remove nitrogen oxides
Afterwards, purification gas is obtained, it is low to solve existing production of carbon black exhaust gas temperature, the problem of being not suitable for conventional scr denitrating technique.
（2）The utility model can realize production of carbon black exhaust gas sulphur oxide using dry desulfurization reactor and deduster
With the qualified discharge of dust, dry desulfurization reactor can be mixed using calcium system dry powder absorbent with production of carbon black exhaust gas, carbon black life
Produce the acidic materials such as SO in exhaust gasXReact generation Ca2SO4And Ca2SO3, dust, unreacted CaO or Ca therein
(OH)2Dry powder, reaction generation Ca2SO4And Ca2SO3Then collected by deduster, since then, complete SOXAnd the emission compliance of dust.
（3）The utility model is provided with heat exchanger between deduster and heater, for that will remove oxysulfide and powder
Gas after the exhaust gas of dirt and denitration exchanges heat, and recycles the thermal energy of gas after denitration, the row for reducing purification gas as far as possible
Smoke temperature degree, while the thermal energy of exhaust gas before feeding heater is improved, the thermal energy usage amount of heater can not only be reduced, moreover it is possible to avoid taking off
Denox catalyst blocks improves reactivity at the same time, reaches the mesh for saving the energy, reducing environmental pollution, improving denitration reaction efficiency
's.
Brief description of the drawings
Fig. 1 is the process flow diagram of the utility model（One）.
Fig. 2 is the process flow diagram of the utility model（Two）.
Fig. 3 is the process flow diagram of the utility model（Three）.
Fig. 4 is the process flow diagram of the utility model（Four）.
Embodiment
The utility model is described in further detail with reference to embodiment, but the embodiment of the utility model is not
It is limited to this.
Embodiment 1：
The present embodiment proposes a kind of purifying processing device of production of carbon black exhaust gas, as shown in Fig. 1 structures, the purified treatment
Device includes below scheme and relevant device：
Sequentially connected dry desulfurization reactor, deduster, heat exchanger, heater and Benitration reactor, wherein, deduster
Connect the cold flow passage of heat exchanger, the heat passage of the gas vent connection heat exchanger of Benitration reactor, the type of thermal communication of heat exchanger
Clean gas outlet is set on road.During practical operation, the production of carbon black exhaust gas from manufacturing technologies of carbon black generation（220℃）Send to dry method
Desulfurization reactor, using CaO as dry powder absorbent, the desulfurization exhaust gas produced after dry desulfurization is sent to deduster, removes it
In dust, unreacted CaO dry powder, reaction generation Ca2SO4 and Ca2SO3 after, send to heat exchanger to remaining desulfurization exhaust gas
（210℃）Exchange heat, the desulfurization exhaust gas after heat exchange（255℃）It is sent to heater and is heated to more than 260 DEG C, enters back into denitration
Reactor（SCR reactors）Remove nitrogen oxides therein；Complete above-mentioned desulfurizing and denitrifying process gas be sent to heat exchanger with
After remaining desulfurization exhaust gas heat exchange, it is re-used as purification gas and is discharged by clean gas outlet.
Embodiment 2：
The present embodiment proposes a kind of purifying processing device of production of carbon black exhaust gas, as shown in Fig. 2 structures, the purified treatment
Device includes below scheme and relevant device：
Sequentially connected dry method absorption tower, bag filter, heat exchanger, burner（Burner）With SCR reactors, wherein,
Bag filter connects the cold flow passage of heat exchanger, the heat passage of the gas vent connection heat exchanger of SCR reactors, heat exchanger
Heat passage on set clean gas outlet.During practical operation, the production of carbon black exhaust gas from manufacturing technologies of carbon black generation（150℃）
Send to dry method absorption tower, using CaO as dry powder absorbent, CaO body feed tanks can be set, in use, by CaO body feed tanks
CaO dry powder sprays into exhaust steam passage or dry method absorption tower, or sprays into exhaust steam passage and dry method absorption tower at the same time, is given birth to carbon black therein
Exhaust gas mixing is produced, and reacts with acidic materials therein such as SOX and generates Ca2SO4 and Ca2SO3；Dust, unreacted CaO
Dry powder, the Ca2SO4 and Ca2SO3 of reaction generation are collected by bag filter, remaining desulfurization exhaust gas（120℃）Send to heat exchanger
Exchange heat, the desulfurization exhaust gas after heat exchange（220℃）It is sent to burner and is heated to more than 260 DEG C, enters back into SCR reactors and take off
Except nitrogen oxides therein；Complete above-mentioned desulfurizing and denitrifying process gas be sent to heat exchanger with after remaining desulfurization exhaust gas heat exchange,
Purification gas is re-used as to be discharged by clean gas outlet.
Embodiment 3：
The present embodiment proposes a kind of purifying processing device of production of carbon black exhaust gas, as shown in Fig. 3 structures, the purified treatment
Device includes below scheme and relevant device：
Sequentially connected dry method absorption tower, electric precipitator, heat exchanger, steam heater and SCR reactors, wherein, dry method
Recirculating fluidized bed is provided with absorption tower, electric precipitator connects the cold flow passage of heat exchanger, the gas vent connection of SCR reactors
The heat passage of heat exchanger, sets clean gas outlet on the heat passage of heat exchanger.During practical operation, produced from manufacturing technologies of carbon black
Raw production of carbon black exhaust gas（180℃）Send to dry method absorption tower, using Ca (OH) 2 as dry powder absorbent, Ca (OH) 2 can be set
Body feed tank, in use, 2 dry powder of Ca (OH) in 2 body feed tanks of Ca (OH) is sprayed into exhaust steam passage either recirculating fluidized bed or dry
Method absorption tower, or exhaust steam passage, recirculating fluidized bed and dry method absorption tower are sprayed at the same time, or wherein both any combination, with
Production of carbon black exhaust gas mixing therein, and react with acidic materials therein such as SOX and generate Ca2SO4 and Ca2SO3；Powder
Dirt, unreacted CaO dry powder, the Ca2SO4 and Ca2SO3 of reaction generation are collected by electric precipitator, remaining desulfurization exhaust gas（160
℃）Send to heat exchanger and exchange heat, the desulfurization exhaust gas after heat exchange（240℃）It is sent to steam heater and is heated to more than 260 DEG C,
Enter back into SCR reactors and remove nitrogen oxides therein；The gas for completing above-mentioned desulfurizing and denitrifying process is sent to heat exchanger with remaining
After remaining desulfurization exhaust gas heat exchange, it is re-used as purification gas and is discharged by clean gas outlet.
Embodiment 4：
The present embodiment proposes a kind of purifying processing device of production of carbon black exhaust gas, as shown in Fig. 4 structures, the purified treatment
Device includes below scheme and relevant device：
Sequentially connected dry method absorption tower, deduster, heat exchanger, heater and SCR reactors, wherein, dry method absorption tower
On be provided with recirculating fluidized bed, deduster connects the cold flow passage of heat exchanger, the gas vent connection heat exchanger of SCR reactors
Heat passage, sets clean gas outlet on the heat passage of heat exchanger.During practical operation, the carbon black from manufacturing technologies of carbon black generation
Produce exhaust gas（200℃）Send to dry method absorption tower, using Ca (OH) 2 as dry powder absorbent, 2 body feed tanks of Ca (OH) can be set,
In use, 2 dry powder of Ca (OH) in 2 body feed tanks of Ca (OH) is sprayed into exhaust steam passage, either recirculating fluidized bed or dry method absorb
Tower, or spray into exhaust steam passage, recirculating fluidized bed and dry method absorption tower at the same time, or wherein both any combination, it is and therein
Production of carbon black exhaust gas mixes, and reacts with acidic materials therein such as SOX and generate Ca2SO4 and Ca2SO3；It is dust, not anti-
CaO dry powder, the Ca2SO4 and Ca2SO3 of reaction generation answered is collected by deduster, and deduster uses bag filter and filtering
Film is applied in combination, remaining desulfurization exhaust gas（185℃）Send to heat exchanger and exchange heat, the desulfurization exhaust gas after heat exchange（250℃）Quilt
Send to heater（Using being applied in combination for burner, gas-gas heat exchanger and electric heater）More than 260 DEG C are heated to, is entered back into
SCR reactors remove nitrogen oxides therein；The gas for completing above-mentioned desulfurizing and denitrifying process is sent to heat exchanger and remaining desulfurization
After exhaust gas heat exchange, it is re-used as purification gas and is discharged by clean gas outlet.
The above, is only the preferred embodiment of the utility model, and limit in any form is not done to the utility model
System, every any simple modification made according to the technical essence of the utility model to above example, equivalent variations, each falls within
Within the scope of protection of the utility model.
Claims (7)
- A kind of 1. purifying processing device of production of carbon black exhaust gas, it is characterised in that：Including dry desulfurization reactor, heater and take off Nitre reactor, dry desulfurization reactor connection exhaust steam passage, deduster is sequentially connected between dry desulfurization reactor and heater And heat exchanger, deduster connect the cold flow passage of heat exchanger, heater connection Benitration reactor, the gas vent of Benitration reactor The heat passage of heat exchanger is connected, clean gas outlet is set on the heat passage of heat exchanger.
- A kind of 2. purifying processing device of production of carbon black exhaust gas according to claim 1, it is characterised in that：The dry method takes off Reaction of Salmon-Saxl device is dry method absorption tower, sets absorbent dry material case, and the absorbent dry material case at least connects exhaust gas and leads to One in road, dry method absorption tower.
- A kind of 3. purifying processing device of production of carbon black exhaust gas according to claim 1, it is characterised in that：The dry method takes off Reaction of Salmon-Saxl device is the dry method absorption tower equipped with recirculating fluidized bed, sets absorbent dry material case, the absorbent dry material Case at least connects one in exhaust steam passage, recirculating fluidized bed, dry method absorption tower.
- A kind of 4. purifying processing device of production of carbon black exhaust gas according to Claims 2 or 3, it is characterised in that：The suction It is CaO body feed tanks or Ca (OH) to receive agent dry material case2Body feed tank.
- A kind of 5. purifying processing device of production of carbon black exhaust gas according to claim 1, it is characterised in that：The deduster Including one kind in bag filter, filter membrane, electric precipitator or at least two combination.
- A kind of 6. purifying processing device of production of carbon black exhaust gas according to claim 1, it is characterised in that：The heater Including one kind in burner, gas-gas heat exchanger, steam heater, electric heater or at least two combination.
- A kind of 7. purifying processing device of production of carbon black exhaust gas according to claim 1, it is characterised in that：The denitration is anti- It is SCR reactors to answer device.
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| CN201721002504.2U CN207287090U (en) | 2017-08-11 | 2017-08-11 | A kind of purifying processing device of production of carbon black exhaust gas |
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| CN201721002504.2U CN207287090U (en) | 2017-08-11 | 2017-08-11 | A kind of purifying processing device of production of carbon black exhaust gas |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108714360A (en) * | 2018-08-24 | 2018-10-30 | 重庆康明斯发动机有限公司 | A kind of exhaust treatment system |
| CN108714370A (en) * | 2018-08-24 | 2018-10-30 | 重庆康明斯发动机有限公司 | A kind of exhaust treatment system |
| CN112076620A (en) * | 2020-09-18 | 2020-12-15 | 广东风和洁净工程有限公司 | Dry desulfurization and denitrification system adopting hollow fiber membrane dust collector |
| CN114788989A (en) * | 2022-04-25 | 2022-07-26 | 光大绿色环保管理（深圳）有限公司 | Equipment and method suitable for whole-plant flue gas purification of waste tire treatment |
-
2017
- 2017-08-11 CN CN201721002504.2U patent/CN207287090U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108714360A (en) * | 2018-08-24 | 2018-10-30 | 重庆康明斯发动机有限公司 | A kind of exhaust treatment system |
| CN108714370A (en) * | 2018-08-24 | 2018-10-30 | 重庆康明斯发动机有限公司 | A kind of exhaust treatment system |
| CN112076620A (en) * | 2020-09-18 | 2020-12-15 | 广东风和洁净工程有限公司 | Dry desulfurization and denitrification system adopting hollow fiber membrane dust collector |
| CN114788989A (en) * | 2022-04-25 | 2022-07-26 | 光大绿色环保管理（深圳）有限公司 | Equipment and method suitable for whole-plant flue gas purification of waste tire treatment |
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