CN105299674B - A kind of Multifunctional smoke energy-saving and emission-reduction system - Google Patents

A kind of Multifunctional smoke energy-saving and emission-reduction system Download PDF

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Publication number
CN105299674B
CN105299674B CN201510714402.2A CN201510714402A CN105299674B CN 105299674 B CN105299674 B CN 105299674B CN 201510714402 A CN201510714402 A CN 201510714402A CN 105299674 B CN105299674 B CN 105299674B
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China
Prior art keywords
spray chamber
water
emission
saving
water tank
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Expired - Fee Related
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CN201510714402.2A
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Chinese (zh)
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CN105299674A (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 energy and environmental technology field, more particularly to a kind of Multifunctional smoke energy-saving and emission-reduction system for coal-burning boiler.The Multifunctional smoke energy-saving and emission-reduction system, including spray chamber, spray chamber side, which is provided with the top of smoke inlet, spray chamber, is provided with some spray atomizing pipes, it is characterized in that:It is provided with the spray chamber on the outside of some water tanks, water tank and is provided with heat absorbing sheet, spray chamber bottom is connected with some casings, and casing is installed between each two water tank.The beneficial effects of the invention are as follows:Heat in flue gas can be fully absorbed, reduce temperature during fume emission, improve the temperature of softened water, available for boiler or activation raising heat supply return water temperature is covered, reach the purpose for energy-conservation of economizing on coal;Meanwhile, flue gas weight can be aggravated by multistage atomizing, fully absorb sulfureous in flue gas nitrogen pollutant through liquid level concussion, reach the effect of dust-removal and desulfurizing denitration.

Description

A kind of Multifunctional smoke energy-saving and emission-reduction system
(One)Technical field
The invention belongs to the energy and environmental technology field, more particularly to a kind of Multifunctional tobacco gas energy-saving for coal-burning boiler Emission-reducing system.
(Two)Background technology
At present, the electric power in the world about 41% is provided by coal, will be to the ratio shared by the year two thousand thirty global coal electricity 44%, China's coal burning power does not have radical change close to 80% in this situation short time.However, coal is to cause tight again The fuel of heavily contaminated, 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 of power plant's operation, and exhaust gas temperature is higher not only to substantially reduce the efficiency of boiler, also The efficiency of electric cleaner can be reduced;The life-span of equipment can be shortened, increase accident rate, unit safety is influenceed;Exhaust gas temperature is too high Can increase the water consumption of desulphurization system;Heat loss due to exhaust gas is maximum in the various heat loss in thermal power plant one, is typically existed 5%~8%, at present, the exhaust gas temperature of China's fired power generating unit is typically maintained in 125 DEG C~150 DEG C, and high fume temperature is one Individual universal phenomenon, causes great waste, and relatively rationally effective utilize all is not obtained substantially.
In addition, containing substantial amounts of sulphur nitrogen pollutant in flue gas, current flue gas processing device can not all accomplish thoroughly clear Except these pollutants, larger harm is brought to China's even global air pollution, but be unfavorable for this supervention exhibition.
(Three)The content of the invention
The present invention in order to make up the deficiencies in the prior art there is provided a kind of fume afterheat utilization rate it is high, to sulfureous in flue gas nitrogen Thorough, the simple in construction, cost of pollutant removing is low, greatly improves service life of equipment, saves the energy, reduces 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, including spray chamber, spray chamber side are provided with smoke inlet, are atomized ceiling Portion is provided with some spray atomizing pipes, it is characterized in that:It is provided with the spray chamber on the outside of some water tanks, water tank and is provided with heat absorbing sheet, mist Change room bottom and be connected with some casings, casing is installed between each two water tank.
The water tank is connected with the top of spray chamber or spray chamber bottom, with the water tank and and mist being connected at the top of spray chamber The water tank that change room bottom is connected is spaced, and fin reinforcement is provided with if being provided with water tank on dried layer deflector, deflector Plate.
The casing is installed on support, and the first fluid level controller, the connection of the first fluid level controller are respectively equipped with casing There is the first pre- flow tube, bottom half is provided with valve.
The water tank is sequentially connected by softening water pipe on the outside of spray chamber and connect.
The spray chamber is connected with water bed, and water bed top, which is provided with above baffle, baffle, is provided with absorber, absorber with Some water conservancy diversion plates are provided between baffle.
The second fluid level controller is provided with the water bed, the second fluid level controller is connected with the second pre- flow tube.
The water bed is connected with the adpting flange for being provided with and being connected with spray chamber on air duct, air duct.
The beneficial effects of the invention are as follows:Heat in flue gas can be fully absorbed, reduce temperature during fume emission, carry The high temperature of softened water, available for boiler is covered or activation improves heat supply return water temperature, has reached the purpose for energy-conservation of economizing on coal;Together When, flue gas weight can be aggravated by multistage atomizing, fully absorb sulfureous in flue gas nitrogen pollutant through liquid level concussion, reach dust-removal and desulfurizing The effect of denitration.
(Four)Brief description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings.
Accompanying drawing 1 is spray chamber main structure diagram of the invention;
Accompanying drawing 2 is spray chamber overlooking the structure diagram of the invention;
Accompanying drawing 3 is water bed main structure diagram of the invention;
Accompanying drawing 4 is water bed overlooking the structure diagram of the 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 radiatings Piece reinforcing plate, 9 supports, 10 first fluid level controllers, 11 first pre- flow tubes, 12 valves, 13 softening water pipes, 14 water beds, 15 absorb Plate, 16 absorbers, 17 water conservancy diversion plates, 18 second fluid level controllers, 19 second pre- flow tubes, 20 air ducts, 21 adpting flanges.
(Five)Embodiment
Accompanying drawing is a kind of specific embodiment of the invention.The embodiment includes spray chamber 1, and the side of spray chamber 1 is provided with flue gas Entrance 2, the top of spray chamber 1, which is provided with some spray atomizing pipes 3, spray chamber 1, is provided with some water tanks 4, and the outside of water tank 4 is provided with heat absorption Piece 5, the bottom of spray chamber 1 is connected with some casings 6, and casing 6 is installed between each two water tank 4.Water tank 4 is pushed up with spray chamber 1 Portion or the bottom of spray chamber 1 are connected, the water tank 4 being connected with the top of spray chamber 1 and the water tank 4 being connected with the bottom of spray chamber 1 It is spaced, fin reinforcing plate 8 is installed if being provided with water tank 4 on dried layer deflector 7, deflector 7.Casing 6 is installed on branch On frame 9, the first fluid level controller 10 is respectively equipped with casing 6, the first fluid level controller 10 is connected with the first pre- flow tube 11, casing 6 bottoms are provided with valve 12.Water tank 4 is sequentially connected by softening water pipe 13 in the outside of spray chamber 1 and connect.Spray chamber 1 is connected with water Bed 14, the top of water bed 14 is provided with baffle 15, and the top of baffle 15 is provided with absorber 16, set between absorber 16 and baffle 15 There are some water conservancy diversion plates 17.The second fluid level controller 18 is provided with water bed 14, the second fluid level controller 18 is connected with the second pre- stream Pipe 19.Water bed 14 is connected with the adpting flange 21 for being provided with and being connected with spray chamber 1 on air duct 20, air duct 20.
Using a kind of Multifunctional smoke energy-saving and emission-reduction system of the present invention, two-stage absorber is added before air-introduced machine, cigarette is absorbed Partial heat in gas, air-introduced machine rear end is double atomization room 1, and exhaust gas dust enters spray chamber 1, flue gas by smoke inlet 2 In temperature, speed makes spray atomizing pipe 3 spray calcium hydroxide agent and produce atomization to aggravate flue dust weight, by lower liquid level, lower liquid Face shakes lower liquid level under the effect of above air-introduced machine and flue dust is fallen into the aqueous of casing 6, by double atomization, in flue dust Sulfur dioxide, itrated compound and calcium hydroxide neutralization reaction reach smoke elimination, dedusting, the purpose of desulphurization and denitration into alkali;Pacify in casing 6 Equipped with the first fluid level controller 10, it is ensured that liquid level can not be too high, the space that otherwise liquid level does not shake is so that the effect of flue dust precipitation Fruit is not good, and when liquid level reaches critical line, liquid will flow out from the first pre- flow tube 11.There are four water tanks 4 in spray chamber 1(Inhale Receive device), have heat absorbing sheet 5 outside water tank 4, inside there is a deflector 7 and fin reinforcing plate 8, flue gas is along empty between the spray chamber 1 of water tank more than 4 Between gap and water tank 4 and water tank 4 space move up and down it is forward, make atomization vapor contact heat absorbing sheet 5, heat absorbing sheet 5 absorb flue gas Being atomized into the heat of vapor is heated the softened water in water tank 4, and softened water flows in water tank 4 along deflector 7, is leading When being flowed on stream plate 7, the softened water that the fin reinforcing plate 8 on deflector 7 gives flowing is sufficiently heated, by softening water pipe 13 enter latter water tank 4 by previous water tank 4, softened water is fully heated.Form solidifying after being atomized vapor contact heat absorbing sheet 5 Bear water, remaining vapor makes the water surface produce concussion ripple by 20~30 meters of water beds 14, wind speed by the water surface, and so a large amount of water steam Gas is reduced with aqueous, above there is baffle 15 top vapor formation condensate is absorbed by absorber 16, along water conservancy diversion plate 17 Outflow, equally, is provided with the second fluid level controller 18, it is ensured that liquid level can not be too high, and otherwise liquid level does not shake in water bed 14 Space causes aqueous vapour reducing not good with the effect in aqueous, when liquid level reaches critical line, and liquid will be from the second pre- flow tube 19 outflows.So by Pyatyi absorb flue gas in heat, by flue-gas temperature be down to by 130 DEG C~180 DEG C 30 DEG C~40 DEG C, summer Season, with softening tank water formation circulation, improves softening coolant-temperature gage, covers the purpose that boiler reaches energy-conservation of economizing on coal;Winter, heat supply Using long-range systemic circulation graded supply system, the temperature that can be extracted from flue gas is activated into thermal source unit through R134A, makes heat supply The water extraction that 10 DEG C~20 DEG C of return water temperature rises to 50 DEG C~60 DEG C, and two grades are carried to 120 DEG C using steam heat-exchanging temperature, are reached a high temperature The heat supply purpose of water, makes power plant's heat capacity improve 4~5 times, substantial saving in the energy(Coal, water, electricity, work), improve through Ji efficiency, significantly reduces the discharge of greenhouse gases.All metal surfaces of whole system are handled using ceramics, have been reached anti- Corruption, antiscour, raising equipment life, the effect of reduction entreprise cost.

Claims (5)

1. a kind of Multifunctional smoke energy-saving and emission-reduction system, including 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:The spray chamber(1)It is interior to be provided with some water tanks(4), water Case(4)Outside is provided with heat absorbing sheet(5), spray chamber(1)Bottom is connected with some casings(6), casing(6)It is installed on each two water Case(4)Between, water tank(4)With spray chamber(1)Top or spray chamber(1)Bottom is connected, with spray chamber(1)What top was connected Water tank(4)With with spray chamber(1)The water tank that bottom is connected(4)It is spaced, water tank(4)If interior be provided with dried layer deflector(7), Deflector(7)On fin reinforcing plate is installed(8), casing(6)It is installed on support(9)On, casing(6)Inside it is respectively equipped with first Fluid level controller(10), the first fluid level controller(10)It is connected with the first pre- flow tube(11), casing(6)Bottom is provided with valve (12).
2. a kind of Multifunctional smoke energy-saving and emission-reduction system according to claim 1, it is characterized in that:The water tank(4)In mist Change room(1)Outside is by softening water pipe(13)It is sequentially connected and connects.
3. a kind of Multifunctional smoke energy-saving and emission-reduction system according to claim 1, it is characterized in that:The spray chamber(1)Even It is connected to water bed(14), water bed(14)Top is provided with baffle(15), baffle(15)Top is provided with absorber(16), absorber (16)With baffle(15)Between be provided with some water conservancy diversion plates(17).
4. a kind of Multifunctional smoke energy-saving and emission-reduction system according to claim 3, it is characterized in that:The water bed(14)Inside set There is the second fluid level controller(18), the second fluid level controller(18)It is connected with the second pre- flow tube(19).
5. a kind of Multifunctional smoke energy-saving and emission-reduction system according to claim 3, it is characterized in that:The water bed(14)Connection There is air duct(20), air duct(20)On be provided with and spray chamber(1)The adpting flange being connected(21).
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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Publication number Priority date Publication date Assignee Title
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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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

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