CN105299674A - Multifunctional smoke energy-saving and emission reduction system - Google Patents

Multifunctional smoke energy-saving and emission reduction system Download PDF

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Publication number
CN105299674A
CN105299674A CN201510714402.2A CN201510714402A CN105299674A CN 105299674 A CN105299674 A CN 105299674A CN 201510714402 A CN201510714402 A CN 201510714402A CN 105299674 A CN105299674 A CN 105299674A
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water
saving
spray chamber
energy
smoke
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CN201510714402.2A
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CN105299674B (en
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王明星
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Shandong Qingxing Environmental Protection Technology Co Ltd
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Shandong Qingxing Environmental Protection Technology Co Ltd
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Abstract

The invention belongs to the technical field of energy and environmental protection, and particularly relates to a multifunctional smoke energy-saving and emission reduction system applied to a coal-fired boiler. The multifunctional smoke energy-saving and emission reduction system comprises an atomizing chamber, a smoke inlet is formed in one side of the atomizing chamber, and a plurality of spraying atomizing pipes are arranged at the top of the atomizing chamber. The multifunctional smoke energy-saving and emission reduction system is characterized in that a plurality of water tanks are arranged in the atomizing chamber; water absorption pieces are arranged on the outer sides of the water tanks; the bottom of the atomizing chamber is connected with a plurality of box bodies, and the box bodies are installed between every two adjacent water tanks. The multifunctional smoke energy-saving and emission reduction system has the beneficial effects that heat in smoke can be fully absorbed, the temperature of smoke in the emission process is lowered, the temperature of softened water is improved, and the softened water can be used for being supplemented to the boiler or being activated to improve the heat supply returned water temperature, so that the purpose of saving coal and energy is achieved. Meanwhile, the weight of smoke is improved through multi-stage atomizing, sulfur and nitrogen pollutants in the smoke can be fully absorbed through liquid level oscillation, and the effects of dust removal, desulfurization and denitrification are achieved.

Description

A kind of Multifunctional smoke energy-saving and emission-reduction system
(1) technical field
The invention belongs to the energy and environmental technology field, particularly a kind of Multifunctional smoke energy-saving and emission-reduction system for coal-burning boiler.
(2) background technology
At present, the electric power in the world about 41% is provided by coal, and will be 44% to the ratio shared by the year two thousand thirty whole world coal electricity, China's coal burning power, close to 80%, have radical change in this situation short time.But coal is again the fuel causing severe contamination, coal burning flue gas sulfur-bearing and nitrogen oxide, finely ground particles and great amount of carbon dioxide, cause acid rain, haze and unusual weather conditions.
Exhaust gas temperature is the important indicator that power plant runs, and the higher efficiency that not only greatly can reduce boiler of exhaust gas temperature, also can reduce the efficiency of electric cleaner; The life-span of equipment can be shortened, increase accident rate, affect unit safety; The too high meeting of exhaust gas temperature makes the water consumption of desulphurization system increase; Heat loss due to exhaust gas is one maximum in the various heat loss in thermal power plant, general 5% ~ 8%, at present, the exhaust gas temperature of China's fired power generating unit generally maintains 125 DEG C ~ 150 DEG C, high fume temperature is a universal phenomenon, cause great waste, substantially all do not obtain comparatively rationally effective utilization.
In addition, containing a large amount of sulphur nitrogen pollutants in flue gas, current flue gas processing device all cannot be accomplished to remove these pollutants thoroughly, brings larger harm, but be unfavorable for this supervention exhibition to the even global air pollution of China.
(3) summary of the invention
The present invention in order to make up the deficiencies in the prior art, provide a kind of fume afterheat utilization rate high, sulfureous in flue gas nitrogen pollutant is removed thoroughly, structure is simple, cost is low, greatly improve service life of equipment, economize energy, minimizing greenhouse gas emission Multifunctional smoke energy-saving and emission-reduction system.
The present invention is achieved through the following technical solutions:
A kind of Multifunctional smoke energy-saving and emission-reduction system, comprise spray chamber, spray chamber side is provided with smoke inlet, spray chamber top is provided with some spray atomizing pipes, it is characterized in that: in described spray chamber, be provided with some water tanks, be provided with heat absorbing sheet outside water tank, be connected with some casings bottom spray chamber, casing is installed between every two water tanks.
Described water tank is connected with bottom spray chamber top or spray chamber, the water tank be connected with spray chamber top and being spaced with the water tank be connected bottom spray chamber, is provided with some layers of deflector, deflector is provided with fin stiffener in water tank.
Described casing is installed on support, is respectively equipped with the first fluid level controller in casing, and the first fluid level controller is connected with first and flows pipe in advance, and bottom half is provided with valve.
Described water tank is connected successively by softening water pipe outside spray chamber.
Described spray chamber is connected with water bed, and water bed top is provided with baffle, is provided with absorber above baffle, is provided with some water conservancy diversion plates between absorber and baffle.
Be provided with the second fluid level controller in described water bed, the second fluid level controller is connected with second and flows pipe in advance.
Described water bed is connected with air duct, air duct is provided with the adpting flange be connected with spray chamber.
The invention has the beneficial effects as follows: the heat in flue gas fully can be absorbed, reduce temperature during fume emission, improve the temperature of demineralized water, can be used for covering boiler or activating improving heat supply return water temperature, reach energy-conservation object of economizing on coal; Meanwhile, increase the weight of flue gas weight by multistage atomizing, fully absorb sulfureous in flue gas nitrogen pollutant through liquid level concussion, reach the effect of dust-removal and desulfurizing denitration.
(4) accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Accompanying drawing 1 is the main TV structure schematic diagram of spray chamber of the present invention;
Accompanying drawing 2 is spray chamber plan structure schematic diagram of the present invention;
Accompanying drawing 3 is the main TV structure schematic diagram of water bed of the present invention;
Accompanying drawing 4 is water bed plan structure schematic diagram of the present invention;
In figure, 1 spray chamber, 2 smoke inlets, 3 spray atomizing pipes, 4 water tanks, 5 heat absorbing sheets, 6 casings, 7 deflectors, 8 fin stiffeners, 9 supports, 10 first fluid level controllers, 11 first flow pipe in advance, 12 valves, 13 softening water pipes, 14 water beds, 15 baffles, 16 absorbers, 17 water conservancy diversion plates, 18 second fluid level controllers, 19 second flow pipe in advance, 20 air ducts, 21 adpting flanges.
(5) detailed description of the invention
Accompanying drawing is a kind of specific embodiment of the present invention.This embodiment comprises spray chamber 1, and spray chamber 1 side is provided with smoke inlet 2, and spray chamber 1 top is provided with some spray atomizing pipes 3, some water tanks 4 are provided with in spray chamber 1, be provided with heat absorbing sheet 5 outside water tank 4, be connected with some casings 6 bottom spray chamber 1, casing 6 is installed between every two water tanks 4.Water tank 4 is connected with bottom spray chamber 1 top or spray chamber 1, the water tank 4 be connected with spray chamber 1 top and being spaced with the water tank 4 be connected bottom spray chamber 1, is provided with some layers of deflector 7, deflector 7 is provided with fin stiffener 8 in water tank 4.Casing 6 is installed on support 9, is respectively equipped with the first fluid level controller 10, first fluid level controller 10 and is connected with the first pre-stream pipe 11, be provided with valve 12 bottom casing 6 in casing 6.Water tank 4 is connected successively by softening water pipe 13 outside spray chamber 1.Spray chamber 1 is connected with water bed 14, and water bed 14 top is provided with baffle 15, is provided with absorber 16 above baffle 15, is provided with some water conservancy diversion plates 17 between absorber 16 and baffle 15.Be provided with the second fluid level controller 18, second fluid level controller 18 in water bed 14 and be connected with the second pre-stream pipe 19.Water bed 14 is connected with air duct 20, air duct 20 is provided with the adpting flange 21 be connected with spray chamber 1.
Adopt a kind of Multifunctional smoke energy-saving and emission-reduction system of the present invention, two-stage absorber is added before air-introduced machine, absorb the partial heat in flue gas, air-introduced machine rear end is double atomization room 1, exhaust gas dust enters spray chamber 1 by smoke inlet 2, temperature in flue gas, speed make spray atomizing pipe 3 spray calcium hydroxide agent produce atomization increase the weight of flue dust weight, through lower liquid level, lower liquid level makes lower liquid level shake and make flue dust fall into the water liquid of casing 6 under air-introduced machine effect above, pass through double atomization, sulfur dioxide in flue dust, itrated compound becomes alkali with calcium hydroxide neutralization reaction, reach smoke elimination, dedusting, desulfurization, the object of denitration, first fluid level controller 10 is installed in casing 6, ensures that liquid level can not be too high, otherwise the poor effect that the space that liquid level does not shake makes flue dust precipitate, when liquid level reaches critical line, liquid just can flow pipe 11 in advance from first and flow out.Four water tank 4(absorbers are had) in spray chamber 1, heat absorbing sheet 5 is had outside water tank 4, inside there are deflector 7 and fin stiffener 8, flue gas along space between water tank more than 4 spray chamber 1 and between water tank 4 and water tank 4 space move up and down and move ahead, atomized water steam is made to contact heat absorbing sheet 5, heat absorbing sheet 5 absorbs the heat that flue gas is atomized into steam makes the demineralized water in water tank 4 be heated, demineralized water flows along deflector 7 in water tank 4, when deflector 7 flows, the demineralized water that fin stiffener 8 on deflector 7 gives to flow heats fully, a water tank 4 after being entered by last water tank 4 by softening water pipe 13, demineralized water is fully heated.Condensate water is formed after atomized water steam contact heat absorbing sheet 5, residue steam is by 20 ~ 30 meters of water beds 14, wind speed makes the water surface produce concussion ripple by the water surface, in so a large amount of aqueous vapour reducing and water liquid, on have baffle 15 make upper water steam formed condensate water absorbed by absorber 16, flow out along water conservancy diversion plate 17, equally, second fluid level controller 18 is installed in water bed 14, ensure that liquid level can not be too high, otherwise the space that liquid level does not shake makes the poor effect in aqueous vapour reducing and water liquid, when liquid level reaches critical line, liquid just can flow pipe 19 in advance from second and flow out.Absorb the heat in flue gas by Pyatyi like this, flue-gas temperature is down to 30 DEG C ~ 40 DEG C by 130 DEG C ~ 180 DEG C, summer forms circulation by softening tank water, improves demineralized water temperature, covers boiler and reach energy-conservation object of economizing on coal; Winter, heat supply adopts long-range systemic circulation graded supply system, the temperature can extracted from flue gas enters thermal source unit and activates through R134A, make the water extraction of heat supply return water temperature 10 DEG C ~ 20 DEG C rise to 50 DEG C ~ 60 DEG C, secondary adopts steam heat-exchanging temperature to carry to 120 DEG C, the heat supply object of the water that reaches a high temperature, power plant's heat capacity is made to improve 4 ~ 5 times, substantial saving in the energy (coal, water, electricity, work), improve business efficiency, significantly reduce the discharge of greenhouse gases.The all metal surface of whole system uses pottery process, reaches anticorrosion, antiscour, raising equipment life, reduces the effect of entreprise cost.

Claims (7)

1. a Multifunctional smoke energy-saving and emission-reduction system, comprise spray chamber (1), spray chamber (1) side is provided with smoke inlet (2), spray chamber (1) top is provided with some spray atomizing pipes (3), it is characterized in that: in described spray chamber (1), be provided with some water tanks (4), water tank (4) outside is provided with heat absorbing sheet (5), and spray chamber (1) bottom is connected with some casings (6), and casing (6) is installed between every two water tanks (4).
2. a kind of Multifunctional smoke energy-saving and emission-reduction system according to claim 1, it is characterized in that: described water tank (4) is connected with spray chamber (1) top or spray chamber (1) bottom, the water tank (4) be connected with spray chamber (1) top and the water tank (4) be connected with spray chamber (1) bottom are spaced, be provided with some layers of deflector (7) in water tank (4), deflector (7) be provided with fin stiffener (8).
3. a kind of Multifunctional smoke energy-saving and emission-reduction system according to claim 1, it is characterized in that: described casing (6) is installed on support (9), the first fluid level controller (10) is respectively equipped with in casing (6), first fluid level controller (10) is connected with first and flows pipe (11) in advance, and casing (6) bottom is provided with valve (12).
4. a kind of Multifunctional smoke energy-saving and emission-reduction system according to claim 1, is characterized in that: described water tank (4) is connected by softening water pipe (13) successively in spray chamber (1) outside.
5. a kind of Multifunctional smoke energy-saving and emission-reduction system according to claim 1, it is characterized in that: described spray chamber (1) is connected with water bed (14), water bed (14) top is provided with baffle (15), baffle (15) top is provided with absorber (16), is provided with some water conservancy diversion plates (17) between absorber (16) and baffle (15).
6. a kind of Multifunctional smoke energy-saving and emission-reduction system according to claim 5, is characterized in that: be provided with the second fluid level controller (18) in described water bed (14), and the second fluid level controller (18) is connected with second and flows pipe (19) in advance.
7. a kind of Multifunctional smoke energy-saving and emission-reduction system according to claim 5, is characterized in that: described water bed (14) is connected with air duct (20), air duct (20) is provided with the adpting flange (21) be connected with spray chamber (1).
CN201510714402.2A 2015-10-29 2015-10-29 A kind of Multifunctional smoke energy-saving and emission-reduction system Expired - Fee Related CN105299674B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107013968A (en) * 2017-05-22 2017-08-04 湖州知瑞知识产权服务有限公司 A kind of humidifying type heating equipment
CN111064307A (en) * 2020-01-11 2020-04-24 天津海运职业学院 Heat dissipation type fixing device for ship motor
CN107013968B (en) * 2017-05-22 2021-12-10 台州市童元达塑业有限公司 Humidification type electric heating equipment

Citations (7)

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Publication number Priority date Publication date Assignee Title
RU2039322C1 (en) * 1992-09-07 1995-07-09 Константин Григорьевич Головач Boiler plant
CN201215384Y (en) * 2008-04-15 2009-04-01 李新明 Coal boiler without smoke
JP2012098021A (en) * 2010-10-05 2012-05-24 Shinki Active Center:Kk Device for removal of smoke and dust in kitchen
CN104406185A (en) * 2014-10-31 2015-03-11 惠州市拓丰实业有限公司 Boiler smoke gas cascade afterheat recovery energy-saving device
CN104406186A (en) * 2014-11-27 2015-03-11 上海理工大学 Flue gas water recycling system
CN204574072U (en) * 2015-02-12 2015-08-19 河南三羊木业有限公司 Boiler exhaust gas dust arrester
CN205065765U (en) * 2015-10-29 2016-03-02 山东庆星环保科技有限公司 Multi -functional flue gas energy saving and emission reduction system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2039322C1 (en) * 1992-09-07 1995-07-09 Константин Григорьевич Головач Boiler plant
CN201215384Y (en) * 2008-04-15 2009-04-01 李新明 Coal boiler without smoke
JP2012098021A (en) * 2010-10-05 2012-05-24 Shinki Active Center:Kk Device for removal of smoke and dust in kitchen
CN104406185A (en) * 2014-10-31 2015-03-11 惠州市拓丰实业有限公司 Boiler smoke gas cascade afterheat recovery energy-saving device
CN104406186A (en) * 2014-11-27 2015-03-11 上海理工大学 Flue gas water recycling system
CN204574072U (en) * 2015-02-12 2015-08-19 河南三羊木业有限公司 Boiler exhaust gas dust arrester
CN205065765U (en) * 2015-10-29 2016-03-02 山东庆星环保科技有限公司 Multi -functional flue gas energy saving and emission reduction system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107013968A (en) * 2017-05-22 2017-08-04 湖州知瑞知识产权服务有限公司 A kind of humidifying type heating equipment
CN107013968B (en) * 2017-05-22 2021-12-10 台州市童元达塑业有限公司 Humidification type electric heating equipment
CN111064307A (en) * 2020-01-11 2020-04-24 天津海运职业学院 Heat dissipation type fixing device for ship motor

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