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CN205672677U - A kind of desulphurization denitration cleaner - Google Patents

A kind of desulphurization denitration cleaner Download PDF

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Publication number
CN205672677U
CN205672677U CN201620546529.8U CN201620546529U CN205672677U CN 205672677 U CN205672677 U CN 205672677U CN 201620546529 U CN201620546529 U CN 201620546529U CN 205672677 U CN205672677 U CN 205672677U
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CN
China
Prior art keywords
heat exchanger
desulphurization denitration
desulfurizing tower
tower
flue gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201620546529.8U
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Chinese (zh)
Inventor
韩晓静
陈世新
颜晓辉
张宝峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Energy Engineering Group Shaanxi Electric Ppower Design Institute Co Ltd
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China Energy Engineering Group Shaanxi Electric Ppower Design Institute Co Ltd
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Priority to CN201620546529.8U priority Critical patent/CN205672677U/en
Application granted granted Critical
Publication of CN205672677U publication Critical patent/CN205672677U/en
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Abstract

The utility model discloses a kind of desulphurization denitration cleaner, including heat exchanger, the hot import of heat exchanger connects pending flue gas, the cold outlet of heat exchanger is connected by the serrated end of Venturi tube, and the discharge end of Venturi tube is connected with cyclone dust extractor, and cyclone dust extractor is connected with desulfurizing tower, serosity spray equipment it is provided with in desulfurizing tower, desulfurizing tower is connected with the cold import of heat exchanger, and the heat outlet of heat exchanger is connected with denitrating tower, and denitrating tower is connected with the chimney discharging flue gas.Reduce the energy consumption needed for denitration, the less workload of cleaning dust stratification, reduce production cost, improve work efficiency.

Description

A kind of desulphurization denitration cleaner
Technical field
This utility model belongs to flue gas desulfurization and denitrification technical field, is specifically related to a kind of desulphurization denitration cleaner.
Background technology
Along with developing rapidly of industry, air is caused severe contamination by various emissions, so energy-saving and emission-reduction are by extensively Paying close attention to, environmental regulation is the severeest.Owing to the high-temperature flue gas in thermal power plant containing a large amount of SO2And NOX, so to firepower The discharge of power plant high-temperature flue gas proposes higher requirement, and flue gas is in addition to must carrying out dust-removal and desulfurizing, it is necessary to carry out denitration Process.Traditional denitration desulfurization mainly has following methods: A, denitration dust collecting desulfurization, and the method has the drawback that: without The heavy metal in flue gas of dedusting, SO2Content is high, affects the catalytic effect of denitration device and easily causes blocking;B, dedusting take off Sulfur denitration, the method has the drawback that: the flue-gas temperature after desulfurizing tower, less than the reaction temperature needed for denitration, need to be entered Row carries out heat treated by heater, and the method not only adds energy consumption, and heater meeting dust stratification, need to often clear up, Add workload.
Utility model content
The purpose of this utility model is the shortcoming overcoming above-mentioned prior art, it is provided that a kind of desulphurization denitration cleaner. Ensure that the carrying out of denitration flow process, do not affect its catalytic effect;And reducing the energy consumption needed for denitration, less cleaning is long-pending The workload of ash, reduces production cost, improves work efficiency.
The purpose of this utility model solves by the following technical programs:
This desulphurization denitration cleaner, it is characterised in that include heat exchanger, the hot import of heat exchanger connects reception centre Reason flue gas, the cold outlet of heat exchanger is connected by the serrated end of Venturi tube, the discharge end of Venturi tube and cyclone dust extractor Connecting, cyclone dust extractor is connected with desulfurizing tower, is provided with serosity spray equipment in desulfurizing tower, desulfurizing tower and heat exchanger cold enter Mouth connects, and the heat outlet of heat exchanger is connected with denitrating tower, and denitrating tower is connected with the chimney discharging flue gas.
Further, feature of the present utility model also resides in,
Wherein it is additionally provided with electrostatic precipitator between desulfurizing tower and heat exchanger.
Wherein serosity spray equipment is connected with serum producing system by serosity pump.
Wherein desulfurizing tower is also connected with Slag recovering device.
Wherein Venturi tube is also connected with water pump.
Wherein cyclone dust extractor is also connected with dust collect plant.
Wherein the most once it is connected between denitrating tower with chimney and has detection of exhaust gas compositions instrument and air-introduced machine.
The beneficial effects of the utility model are, first use cyclone dust extractor to carry out dust-removing process, decrease dust stratification and cigarette In gas, heavy metal is on desulphurization plant and the impact of denitration device, makes equipment be not easily blocked;Carry out desulfurization process, decrease flue gas In corrosive gas;Then gas temperature after desulfurization reduced by heat exchanger is carried out with the heat smoke just given off Heat exchange, is heated to the gas after desulfurization carrying out denitration operation, discharges through chimney after denitration;
Further, electrostatic precipitator can further remove the dust after desulfurization in gas, prevents dust Accumulation in denitrating tower;And the solid impurity of collection can be uniformly processed by Slag recovering device and dust collect plant;
Further in arrange before chimney detection of exhaust gas compositions instrument can examinations discharge flue gas composition, and Can according to testing result suitable adjust desulfurizing tower or the work of denitrating tower;Air-introduced machine can increase the rate of discharge of flue gas.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein: 1 is heat exchanger;2 is Venturi tube;3 is cyclone dust extractor;4 is desulfurizing tower;5 is serum producing system; 6 is denitrating tower;7 is chimney;8 is electrostatic precipitator;9 is water pump;10 is dust collect plant;11 is Slag recovering device;12 are Serosity pump;13 is detection of exhaust gas compositions instrument;14 is air-introduced machine.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail:
This utility model provides a kind of desulphurization denitration cleaner, sees Fig. 1, including heat exchanger 1, heat exchanger 1 Hot import access the undressed flue gas that boiler is discharged, the serrated end of the cold outlet of heat exchanger 1 and Venturi tube 2 is even Connecing, the discharge end of Venturi tube 2 is connected with cyclone dust extractor 3, and Venturi tube 2 is also connected with water pump 9, and water pump 9 can will pass through The flue gas cool-down of Venturi tube 2 and make flue gas moisture, conveniently carries out dedusting work;Cyclone dust extractor 9 is also with dust collect plant 10 even Connecing, dust collect plant 10 can collect the solid impurity in flue gas and beavy metal impurity;
Seeing Fig. 1, cyclone dust extractor 9 is also connected with desulfurizing tower 4, is provided with serosity spray equipment in desulfurizing tower 4, and serosity sprays Shower device is connected with serum producing system 5 by serosity pump 12, and serum producing system (5) adds water and makes lime stone slurry, through slurry In liquid pump (12) sprays into desulfurizing tower (4), flue gas by slurry wash and react, is being forced oxygen in desulfurizing tower (4) at the bottom of tower Gypsum Fibrosum is generated after change.Desulfurizing tower 4 is also connected with electrostatic precipitator 8, and electrostatic precipitator 8 can further be removed in flue gas The solid dirt impurity that particle diameter is less;Electrostatic precipitator 8 is connected with the cold import of heat exchanger 1, the heat outlet of heat exchanger 1 It is connected with denitrating tower 6;
Seeing Fig. 1, denitrating tower 6 is connected with detection of exhaust gas compositions instrument 13, and detection of exhaust gas compositions instrument 13 is capable of detecting when the row for the treatment of Put the content of sulfureous in flue gas and nitre, and adjust desulfurizing tower 4 and the work of denitrating tower 6, detection of exhaust gas compositions instrument 13 accordingly And being additionally provided with air-introduced machine 14 between chimney 7, air-introduced machine 14 can add the speed that flue gas is discharged, and prevents flue gas from expanding in a device Dissipate, improve the discharge efficiency of flue gas.
This utility model one desulphurization denitration cleaner is particularly well-suited to thermal power plant, by the boiler in thermal power plant Hot inlet communication this desulphurization denitration dust arrester the most applicable of heat exchanger 1 of flue gas and this device.

Claims (7)

1. a desulphurization denitration cleaner, it is characterised in that include heat exchanger (1), the hot import of heat exchanger (1) connects Pending flue gas, the cold outlet of heat exchanger (1) is connected by the serrated end of Venturi tube (2), the discharge end of Venturi tube (2) Being connected with cyclone dust extractor (3), cyclone dust extractor (3) is connected with desulfurizing tower (4), is provided with serosity spray dress in desulfurizing tower (4) Putting, desulfurizing tower (4) is connected with the cold import of heat exchanger (1), and the heat outlet of heat exchanger (1) is connected with denitrating tower (6), denitration Tower (6) is connected with the chimney (7) discharging flue gas.
Desulphurization denitration cleaner the most according to claim 1, it is characterised in that described desulfurizing tower (4) and heat exchanger (1) electrostatic precipitator (8) it is additionally provided with between.
Desulphurization denitration cleaner the most according to claim 1, it is characterised in that described serosity spray equipment passes through serosity Pump (12) is connected with serum producing system (5).
A kind of desulphurization denitration cleaner the most according to claim 1, it is characterised in that described desulfurizing tower (4) is also with residual Slag retracting device (11) connects.
A kind of desulphurization denitration cleaner the most according to claim 1, it is characterised in that described Venturi tube (2) also with Water pump (9) connects.
A kind of desulphurization denitration cleaner the most according to claim 1, it is characterised in that described cyclone dust extractor (3) is also It is connected with dust collect plant (10).
A kind of desulphurization denitration cleaner the most according to claim 1, it is characterised in that described denitrating tower (6) and chimney (7) the most once connect between and have detection of exhaust gas compositions instrument (13) and air-introduced machine (14).
CN201620546529.8U 2016-06-07 2016-06-07 A kind of desulphurization denitration cleaner Active CN205672677U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620546529.8U CN205672677U (en) 2016-06-07 2016-06-07 A kind of desulphurization denitration cleaner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620546529.8U CN205672677U (en) 2016-06-07 2016-06-07 A kind of desulphurization denitration cleaner

Publications (1)

Publication Number Publication Date
CN205672677U true CN205672677U (en) 2016-11-09

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CN201620546529.8U Active CN205672677U (en) 2016-06-07 2016-06-07 A kind of desulphurization denitration cleaner

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108479332A (en) * 2018-04-16 2018-09-04 天津华赛尔传热设备有限公司 A kind of low-temperature flue gas desulphurization denitration disappears white system
CN111271719A (en) * 2020-03-02 2020-06-12 天津辰创环境工程科技有限责任公司 A secondary combustion chamber emergency discharge chimney tail gas purification system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108479332A (en) * 2018-04-16 2018-09-04 天津华赛尔传热设备有限公司 A kind of low-temperature flue gas desulphurization denitration disappears white system
CN111271719A (en) * 2020-03-02 2020-06-12 天津辰创环境工程科技有限责任公司 A secondary combustion chamber emergency discharge chimney tail gas purification system

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