CN104307306A - Smoke NOx enriching device - Google Patents

Smoke NOx enriching device Download PDF

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Publication number
CN104307306A
CN104307306A CN201410547943.6A CN201410547943A CN104307306A CN 104307306 A CN104307306 A CN 104307306A CN 201410547943 A CN201410547943 A CN 201410547943A CN 104307306 A CN104307306 A CN 104307306A
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CN
China
Prior art keywords
smoke
outlet
cooling medium
rotating cylinder
casing
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.)
Pending
Application number
CN201410547943.6A
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Chinese (zh)
Inventor
尹华勤
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Wuxi Xuelang Environmental Technology Co Ltd
Original Assignee
Wuxi Xuelang Environmental Technology Co Ltd
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Publication date
Application filed by Wuxi Xuelang Environmental Technology Co Ltd filed Critical Wuxi Xuelang Environmental Technology Co Ltd
Priority to CN201410547943.6A priority Critical patent/CN104307306A/en
Publication of CN104307306A publication Critical patent/CN104307306A/en
Pending legal-status Critical Current

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Abstract

The invention provides a smoke NOx enriching device which is used for enriching NOx in smoke, improving the concentration of the NOx in the smoke, reducing the treating amount of smoke of SCR denitration, solving the problem of low SCR denitration performance of low-temperature smoke, and saving energy resources. The smoke NOx enriching device comprises a box body, wherein a smoke inlet, a smoke outlet, a heating medium inlet, a heating medium outlet, a cooling medium inlet and a cooling medium outlet are formed in the box body, a rotary cylinder is arranged in the box body, the smoke inlet, the heating medium inlet and the cooling medium inlet are formed in the inner side of the rotary cylinder on the box body, the smoke outlet, the heating medium outlet and the cooling medium outlet are respectively formed in the outer side of the rotary cylinder on the box body, a sealing baffle plate is arranged in the box body, and used for separating the box body into an adsorption region, a desorption region and a cooling region, the smoke inlet and the smoke outlet are formed in the adsorption region, the heating medium inlet and the heating medium outlet are formed in the desorption region, the cooling medium inlet and the cooling medium outlet are formed in the cooling region, and an adsorbing medium layer is arranged on the rotary cylinder.

Description

A kind of flue gas NOx enriching apparatus
Technical field
The present invention relates to the technical field of combustion product gases process, be specially a kind of flue gas NO xenriching apparatus.
Background technology
NO xthe burning of source mainly chemical fuel, comprise coal-burning power plant, industrial furnace, motor-vehicle tail-gas etc., larger to harm.The discharge of NOX has been incorporated the target of " 12 " overall control by country, and discharge standard improves, concentration of emission reduces, and this needs the gas denitrifying technology selecting efficient energy-saving.
At present, SCR (SCR) gas denitrifying technology is the most effective gas denitrifying technology, especially with NH 3for the SCR technology of reducing agent reaches its maturity.SCR technique can be divided into high temperature, middle temperature, low temperature three kinds of forms according to the Applicable temperature of catalyst, and the flue gas of different temperatures needs the catalyst selecting relevant temperature.Medium temperature SCR catalyst mature and reliable is widely used, and can remove the middle temperature flue gas of 300 DEG C ~ 400 DEG C.During low-temperature SCR catalyst is researched and developed, maturation is not technically also had to need to be further improved just at home and abroad.For 250 DEG C ~ less than 300 DEG C low-temperature flue gas NO xremove, present method is exactly adopt in addition firing equipment heating low-temperature flue gas, makes the temperature increase of low-temperature flue gas to 300 DEG C ~ 400 DEG C, then selects the NO in Medium temperature SCR catalyst removal flue gas x.Because heating low-temperature flue gas needs high temperature heat source, and flue gas flow is large, and energy resource consumption is very large, and system cloud gray model expense is quite high, and apply very difficult, utilization rate is lower, has a strong impact on NO xreduction of discharging.
Summary of the invention
For existing the problems referred to above, the invention provides a kind of flue gas NO xenriching apparatus, the NO in enriched flue gas x, improve NO in flue gas xrelative concentration, greatly reduce the treating capacity of SCR denitration flue gas, solve the problem that low-temperature smoke air SCR denitration technology economic performance is low, save the energy.
Its technical scheme is such, a kind of flue gas NO xenriching apparatus, it is characterized in that: it comprises casing, described casing is provided with gas approach, exhanst gas outlet, heat medium import, Crude product input, cooling medium inlet, cooling medium exports, rotating cylinder is provided with in described casing, described gas approach, heat medium import, cooling medium inlet to be arranged on described casing inside described rotating cylinder, described exhanst gas outlet, Crude product input, cooling medium outlet to be separately positioned on described casing outside described rotating cylinder, seal diaphragm is provided with in described casing, casing isolation is formed adsorption zone by described seal diaphragm, desorption zone, cooling zone, described gas approach and described exhanst gas outlet are arranged in described adsorption zone, described heat medium import and described Crude product input are arranged in described desorption zone, described cooling medium inlet and cooling medium outlet are arranged in described cooling zone, described rotating cylinder runs through described seal diaphragm and can rotate in described casing, described rotating cylinder is provided with absorptive media layers.
It is further characterized in that: described rotating cylinder comprises internal layer orifice plate and outer orifice, is filled with absorptive media layers between described internal layer orifice plate and described outer orifice.
In said structure of the present invention, due to NO xenriching apparatus comprises gas approach, exhanst gas outlet, heat medium import, Crude product input, cooling medium inlet, cooling medium exports, rotating cylinder is provided with in casing, gas approach, heat medium import, cooling medium inlet to be arranged on casing inside rotating cylinder, exhanst gas outlet, Crude product input, cooling medium outlet to be separately positioned on casing outside described rotating cylinder, seal diaphragm is provided with in casing, casing isolation is formed adsorption zone by seal diaphragm, desorption zone, cooling zone, gas approach and exhanst gas outlet are arranged in adsorption zone, heat medium import and Crude product input are arranged in desorption zone, cooling medium inlet and cooling medium outlet are arranged in cooling zone, rotating cylinder runs through seal diaphragm and can rotate in casing, rotating cylinder is provided with absorptive media layers, by the rotation of rotating cylinder, adsorbing medium on rotating cylinder carries out the cooling of medium, heating, realize NO on adsorbing medium xadsorption and desorption, cool cycles, make NO xcomparatively concentrated, improve NO xconcentration, reduce containing NO xthe flow of gas, improves denitration efficiency, decreases the use amount of catalyst, improves economic benefit significantly.
Accompanying drawing explanation
Fig. 1 is flue gas NO of the present invention xthe main sectional view of enriching apparatus;
Fig. 2 is Fig. 1 left view.
Detailed description of the invention
See Fig. 1, Fig. 2,
A kind of flue gas NO xenriching apparatus, it comprises casing 1, casing 1 is provided with gas approach 2, exhanst gas outlet 3, heat medium import 4, Crude product input 5, cooling medium inlet 6, cooling medium outlet 7, rotating cylinder 8 is provided with in casing 1, gas approach 2, heat medium import 4, cooling medium inlet 6 to be arranged on casing 1 inside rotating cylinder 8, exhanst gas outlet 3, Crude product input 5, cooling medium outlet 7 to be separately positioned on casing 1 outside rotating cylinder 8, seal diaphragm 9 is provided with in casing 1, formation adsorption zone 10 isolated by casing 1 by seal diaphragm 9, desorption zone 11, cooling zone 12, gas approach 2 and exhanst gas outlet 3 are arranged in adsorption zone 10, heat medium import 4 and Crude product input 5 are arranged in desorption zone 11, cooling medium inlet 6 and cooling medium outlet 7 are arranged in cooling zone 12, rotating cylinder 8 runs through seal diaphragm 9 and can rotate in casing 1, rotating cylinder 8 is provided with absorptive media layers 13.
Rotating cylinder 8 comprises internal layer orifice plate 14-1 and outer orifice 14-2, absorptive media layers 13 is filled with between internal layer orifice plate 14-1 and outer orifice 14-2, because absorptive media layers is arranged in the crack of internal layer orifice plate and outer orifice, effectively prevent being scattered of absorptive media layers, ensure that the adsorption effect of absorptive media layers.
See Fig. 1, Fig. 2,
Flue gas NO xenrichment method: flue gas enters NO xin adsorption zone 10 in enriching apparatus, the NO in the adsorbent media adsorbs flue gas on rotating cylinder 8 x, containing NO xconcentration flue gas up to standard is directly discharged by exhanst gas outlet 3;
Rotating cylinder 8 rotates, and adsorbs NO in rotating cylinder 8 xpart enter desorption zone 11, be adsorbed on the NO on adsorbing medium on rotating cylinder 8 xheated up by heated air, the NO on adsorbing medium xbe desorbed desorption, define NO xenriched gas, is got rid of by Crude product input 5, and refrigerating gas passes into NO simultaneously xin cooling zone 12 in casing 1, rotating cylinder 8 rotates, the adsorbing medium heated up in desorption zone 11 in rotating cylinder 8 rotates into cooling zone 12, cooled by refrigerating gas, adsorbing medium is lowered the temperature, and refrigerating gas heats up simultaneously, achieve the cooling of adsorbing medium, rotating cylinder 8 rotates, and the barrel sections after adsorbing medium cooling enters adsorption zone, completes Adsorption and desorption, cool cycles.
Flue gas is at flue gas NO xcarried out Adsorption and desorption, the cool cycles process of flue gas in adsorption zone 10 in enriching apparatus in casing 1, desorption zone 11, cooling zone 12 by the rotation of rotating cylinder 8, realize the NO of flue gas xenrichment, makes NO xcomparatively concentrated, improve local NO xconcentration, reduce containing NO xthe flow of gas, improves denitration efficiency, decreases the use amount of catalyst, improves economic benefit significantly.

Claims (2)

1. a flue gas NO xenriching apparatus, it is characterized in that: it comprises casing, described casing is provided with gas approach, exhanst gas outlet, heat medium import, Crude product input, cooling medium inlet, cooling medium exports, rotating cylinder is provided with in described casing, described gas approach, heat medium import, cooling medium inlet to be arranged on described casing inside described rotating cylinder, described exhanst gas outlet, Crude product input, cooling medium outlet to be separately positioned on described casing outside described rotating cylinder, seal diaphragm is provided with in described casing, casing isolation is formed adsorption zone by described seal diaphragm, desorption zone, cooling zone, described gas approach and described exhanst gas outlet are arranged in described adsorption zone, described heat medium import and described Crude product input are arranged in described desorption zone, described cooling medium inlet and cooling medium outlet are arranged in described cooling zone, described rotating cylinder runs through described seal diaphragm and can rotate in described casing, described rotating cylinder is provided with absorptive media layers.
2. a kind of flue gas NO according to claim 1 xenriching apparatus, is characterized in that: described rotating cylinder comprises internal layer orifice plate and outer orifice, is filled with absorptive media layers between described internal layer orifice plate and described outer orifice.
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CN201410547943.6A 2014-10-16 2014-10-16 Smoke NOx enriching device Pending CN104307306A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410547943.6A CN104307306A (en) 2014-10-16 2014-10-16 Smoke NOx enriching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410547943.6A CN104307306A (en) 2014-10-16 2014-10-16 Smoke NOx enriching device

Publications (1)

Publication Number Publication Date
CN104307306A true CN104307306A (en) 2015-01-28

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CN201410547943.6A Pending CN104307306A (en) 2014-10-16 2014-10-16 Smoke NOx enriching device

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CN (1) CN104307306A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409006A (en) * 1981-12-07 1983-10-11 Mattia Manlio M Removal and concentration of organic vapors from gas streams
US4650575A (en) * 1985-07-03 1987-03-17 Pall Corporation Sorbing apparatus
CN103007682A (en) * 2012-12-03 2013-04-03 北汽(广州)汽车有限公司 Waste gas treatment method and system of coating workshop based on concentrated runner and RTO (regenerative thermal oxidizer)
CN103331086A (en) * 2013-07-15 2013-10-02 青岛华世洁环保科技有限公司 Movable integrated device for treating organic waste gas
CN103394270A (en) * 2013-06-14 2013-11-20 青岛华世洁环保科技有限公司 Movable integrated organic waste-gas processing apparatus
CN203598667U (en) * 2013-09-24 2014-05-21 马军 Device for acquiring high-concentration organic waste gas from waste gas containing low-concentration organic solvent
CN204170585U (en) * 2014-10-16 2015-02-25 无锡雪浪环境科技股份有限公司 Flue gas NOx enriching apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409006A (en) * 1981-12-07 1983-10-11 Mattia Manlio M Removal and concentration of organic vapors from gas streams
US4650575A (en) * 1985-07-03 1987-03-17 Pall Corporation Sorbing apparatus
CN103007682A (en) * 2012-12-03 2013-04-03 北汽(广州)汽车有限公司 Waste gas treatment method and system of coating workshop based on concentrated runner and RTO (regenerative thermal oxidizer)
CN103394270A (en) * 2013-06-14 2013-11-20 青岛华世洁环保科技有限公司 Movable integrated organic waste-gas processing apparatus
CN103331086A (en) * 2013-07-15 2013-10-02 青岛华世洁环保科技有限公司 Movable integrated device for treating organic waste gas
CN203598667U (en) * 2013-09-24 2014-05-21 马军 Device for acquiring high-concentration organic waste gas from waste gas containing low-concentration organic solvent
CN204170585U (en) * 2014-10-16 2015-02-25 无锡雪浪环境科技股份有限公司 Flue gas NOx enriching apparatus

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Application publication date: 20150128