CN202281217U - Micro-emission energy-saving coal-to-gas boiler - Google Patents

Micro-emission energy-saving coal-to-gas boiler Download PDF

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Publication number
CN202281217U
CN202281217U CN2011203937408U CN201120393740U CN202281217U CN 202281217 U CN202281217 U CN 202281217U CN 2011203937408 U CN2011203937408 U CN 2011203937408U CN 201120393740 U CN201120393740 U CN 201120393740U CN 202281217 U CN202281217 U CN 202281217U
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China
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gas
boiler
chamber
coal
generating chamber
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CN2011203937408U
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Chinese (zh)
Inventor
毕忠泽
曹国峰
张宁
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曹国峰
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Priority to CN2011203937408U priority Critical patent/CN202281217U/en
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Publication of CN202281217U publication Critical patent/CN202281217U/en

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Abstract

The utility model discloses a micro-emission energy-saving coal-to-gas boiler, which comprises a boiler main body and an air distribution device system, wherein a working space in the boiler main body comprises a steam generation chamber, a gas generation chamber, a slag collection chamber, a gas ignition chamber and a heat exchange chamber from bottom to top in sequence; by converting fire coal into combustible gas, fully burning the gas and optimally designing the comprehensive performance of the boiler, the boiler has higher heat efficiency; the air distribution device system is formed through the flue gas recycling and flue gas purification hybrid technology; and thus, the Ringelmann shade of flue gas emission is up to standard, the emission of most of dust grains and sulfur dioxide is controlled, and the effects of micro-emission, energy conservation and environmental protection are achieved.

Description

The energy-conservation coal-turned-gas boiler of little discharging

Technical field the utility model relates to a kind of power economized boiler, relate to specifically a kind ofly can be applied to warm oneself in the civilian production life, heat up water, the energy-conservation coal-turned-gas boiler of little discharging of every field such as bathing, steam.

Background technology is present, the heating of using on the market, heat up water, boiler such as bathing, steam, common project organization is: body of heater is provided with water jacket samdwich or comb; Be provided with ash-falling chamber, fire grate, combustion chamber in the body of heater from down to up successively; Coal-fired directly burning, the problem that this boiler exists is that fuel combustion is insufficient, the particle that floats in the flue gas is more; The sulfur dioxide that generates all enters in the atmosphere, and is bigger to environment and atmospheric effect.

Deficiency and the defective part of summary of the invention in order to overcome prior art; The utility model provides a kind of little discharging energy-conservation coal-turned-gas boiler, is primarily aimed at that present civil boiler fuel combustion is insufficient, the thermal efficiency is low, the flue gas lingemann blackness is not up to standard, the out of contior shortcoming of sulphur emissions.Through making fire coal be converted into fuel gas and fully burning and, make it have the higher thermal efficiency to the optimal design of boiler combination property; Utilize again and the gas cleaning hybrid technology forms the air distribution device system through flue gas recirculation, make that the fume emission lingemann blackness is up to standard, the most of soot dust granule thing of control and sulfur dioxide (SO2) emissions, reach little discharging, effect in energy saving and environmental protection.

The purpose of the utility model realizes through following technical scheme.

The energy-conservation coal-turned-gas boiler of a kind of little discharging; Comprise boiler body and air distribution device system, steam generating chamber; Boiler body internal work space is followed successively by steam generating chamber from top to bottom, gas generating chamber, slag trapping chamber, coal gas pilot chamber; Heat-exchanging chamber; Boiler body is provided with the air distribution device system, it is characterized in that: the boiler circulating flue gas passage of air distribution device system is arranged on the multiloop circulating flue gas path in the boiler replenishing water preheating cabinet through the connection of air feed preheating device, and blower fan one side connects the connection of multiloop circulating flue gas path opposite side and is located at the circulating flue gas outlet in the purifying box akaline liquid; There is the flue inlet purifying box top; Flue inlet is connected with blower fan on being connected on the air feed preheating device through fresh air passage and mixing air passage, and the air feed preheating device is connected with total intake adit through total air feed mouth, and always intake adit is through a minute air feed mouth, airduct connection boiler internal working space.

Said gas generating chamber top is made up of insulating interlayer, heat exchanger tube, leaves passage between heat exchanger tube, and the gas generating chamber side is made up of water-cooling wall, and the bottom is a fire grate, and gas generating chamber's fire door is a hermetically-sealed construction,

Said coal gas pilot chamber sidewall is the heat insulation wall that insulation material constitutes, the coal gas mixed gas passage that has on the heat insulation wall.

Said air distribution device system's employing manual work or two kinds of patterns of microcomputerized control.

Said steam generating chamber is made up of sealable antiseepage Ji Zhashuichi and airduct, and airduct is communicated with antiseepage Ji Zhashuichi.

The beneficial effect of the utility model is:

One, coal changes gas technology employing mixed gas occurring mode, and fire coal burns with the coal gas occurring mode, and the combustion system cleaning can guarantee user and environmental protection double requirements;

Two, adopt flue gas recirculation to purify hybrid technology; Make unburnt gas get into burning once more and utilize flow process; Can remove most bulky grain dusts and sulfur dioxide in the flue gas, the waste heat in the flue gas helps keeping flue-gas temperature in the boiler to getting into the mixing air preheating of air distribution device; Boiler replenishing water is carried out preheating, help improving the operating efficiency of boiler; Boiler chimney is at height, reduce 50%-70% than traditional structure on the diameter, and comprehensive function reaches energy-saving and environmental protection, improves the purpose of the thermal efficiency and operating efficiency;

Three, optimal design improves the boiler product performance, reduces product cost, reaches and satisfies user's needs, improves the purpose of civil boiler product environmental-protecting performance;

Four, the utility model can be used for warming oneself, heat up water, bathing, steam etc.

Description of drawings Fig. 1 is the structural representation of the utility model.

Among Fig. 1: gas generating chamber's fire grate 1; Insulating interlayer 2; Water-cooling wall 3; Heat exchanger tube 4; Fire grate 5; Heat insulation wall 6; Coal gas mixed gas passage 7; Heat-exchanging chamber insulating interlayer 8; Heat-exchanging chamber heat exchanger tube 9; Exhaust opening 10; Heat-exchanging chamber 11; Circulating flue gas air inlet 12; Coal gas pilot chamber 13; Airduct 14; Air feed control valve 15; Slag trapping chamber 16; Total air feed mouth 17; Total intake adit 18; Divide air feed mouth 19; Blower fan 20 on the air feed preheating device; Air feed preheating device 21; Mixing air passage 22; Fresh air passage 23; Multiloop circulating flue gas passage 24; Boiler replenishing water preheating water tank 25; Blower fan 26; Flue inlet 27; Purifying box 28; Circulating flue gas outlet 29; Slag-drip opening 30; Boiler circulating flue gas passage 31; Steam generating chamber 32; Antiseepage collection pulp water pond 33; Gas generating chamber 34.

The specific embodiment

The utility model is further specified with implementing below in conjunction with accompanying drawing.

In Fig. 1, the energy-conservation coal-turned-gas boiler of little discharging is made up of gas generating chamber, coal gas pilot chamber, heat-exchanging chamber, air distribution device system, steam generating chamber etc.Gas generating chamber is made up of gas generating chamber's fire grate 1, insulating interlayer 2, water-cooling wall 3, heat exchanger tube 4 etc.; The coal gas pilot chamber is made up of fire grate 5, heat insulation wall 6, coal gas mixed gas passage 7, airduct 14, slag trapping chamber etc.; Heat-exchanging chamber 11 is made up of water-cooling wall 3, heat-exchanging chamber insulating interlayer 8, heat-exchanging chamber heat exchanger tube 9, exhaust opening 10, circulating flue gas air inlet 12 etc.; The air distribution device system is made up of the blower fan 20 on circulating flue gas air inlet 12, boiler circulating flue gas passage 31, air feed preheating device 21, total air feed mouth 17, total intake adit 18, branch air feed mouth 19, air feed control valve 15, multiloop circulating flue gas passage 24, slag-drip opening 31, boiler replenishing water preheating water tank 25, the air feed preheating device, blower fan 26, purifying box 28, circulating flue gas outlet 29, flue inlet 28, fresh air passage 23, mixing air passage 22 etc.; Steam generating chamber 32 is made up of airduct 14, antiseepage collection pulp water pond 33.

The energy-conservation coal-turned-gas boiler of little discharging is made up of gas generating chamber, coal gas pilot chamber 13, heat-exchanging chamber 11, air distribution device system, steam generating chamber 32 etc.Gas generating chamber 34 tops are made up of insulating interlayer 2, many heat exchanger tubes 4; 4 of heat exchanger tubes leave passage; The coal-fired coal gas gaseous mixture that generates that transforms can get into coal gas pilot chamber 13 via coal gas mixed gas passage 7 along this passage, is lighted the back at coal gas pilot chamber 13 and for system heat energy is provided.The gas generating chamber side is made up of water-cooling wall 3, and the bottom is gas generating chamber's fire grate 1, and gas generating chamber's fire door is salable structure, this oven door sealing during boiler work.It below the gas generating chamber steam generating chamber 32; Steam generating chamber 32 is made up of antiseepage collection pulp water pond 33 and airduct 14; Antiseepage collection pulp water pond 33 is sealable, in the pond, adds enough clear water, the sealing of simultaneously steam generating chamber 32 being carried out to a certain degree during boiler operatiopn; After adding coal-fired in the gas generating chamber and being lighted the fire in a stove before fuel is added; Carbon ash with uniform temperature can generate the steam of some when falling into clear water, the air that provides in the steam of generation and the airduct 14 mixes, and the coal-fired gasification that forms mixture of steam and be in the gas generating chamber provides enough gas.Gas generating chamber top is slag trapping chamber 16; Slag trapping chamber 16 tops are coal gas pilot chamber 13; Coal gas pilot chamber 13 sidewalls are to have the heat insulation wall 6 that certain thickness insulation material constitutes, and leave the coal gas mixed gas passage 7 of some on the heat insulation wall 6, and coal gas pilot chamber duty is coal-fired naked light work; The coal gas that gets into pilot chamber is by the naked light after-combustion of igniting; Along with the sidewall insulation material deposit great amount of heat energy that prolongs pilot chamber burning time forms the high-temperature region, for follow-up coal gas ignites heat energy is provided, form the sustained combustion state thus.The mixed flue gas that form a large amount of high heat after the gas-fired get into heat-exchanging chambers, carry out heat exchange with water-cooling wall 3 and heat-exchanging chamber heat exchanger tube 9 after, flue-gas temperature reduces to form can discharge tail gas.

In the time can discharging tail gas and enter into the heat-exchanging chamber afterbody; The air distribution device system is in running order; A large amount of tail gas are sucked circulating flue gas air inlets 12 by blower fan 26, get into multiloop circulating flue gas passages 23 via boiler circulating flue gas passage 31, tail gas in above two passages through the time be that mixing air and the water among the boiler replenishing water preheating water tank 25 in the air feed preheating device 21 provides heat; Tail gas is by repeatedly cooling; Volume reduces, and in the time of particularly in multiloop circulating flue gas passage 23, it is minimum that exhaust temperature and volume all reduce to; A large amount of bulky grain flue dust sink to slag-drip opening 31 places at gravity and the 23 inner surface special construction effects of multiloop circulating flue gas passage, and the dust stratification at slag-drip opening 31 places is wanted periodic cleaning.The tail gas of preliminary cleaning is gone in the akaline liquid in the purifying box 29 by spirt via circulating flue gas outlet 28 under the effect of blower fan 26; Under the akaline liquid effect; Other particle flue dust in the tail gas is by liquid adsorption; Sulfur dioxide in the tail gas is overflowed in liquid by the tail gas of final cleaning by the neutralization of the alkaline matter in the liquid, is getting in the mixing air passage 22 through flue inlet 27 under the effect of blower fan 20; Mix with the fresh air that gets into by fresh air passage 23 and to form mixing air entering air feed preheating device 21; After total air feed mouth 17 gets into total intake adit 18, got into each working space by the tail gas preheating via minute air feed mouth 19, each minute the duty of air feed mouth regulate through air feed control valve 15.

Claims (5)

1. energy-conservation coal-turned-gas boiler of little discharging; Comprise boiler body and air distribution device system, boiler body internal work space is followed successively by steam generating chamber from top to bottom, gas generating chamber, slag trapping chamber; The coal gas pilot chamber; Heat-exchanging chamber (11), boiler body is provided with the air distribution device system, it is characterized in that: the boiler circulating flue gas passage of air distribution device system is arranged on the multiloop circulating flue gas path (23) in the preparatory hydro-thermal case of boiler replenishing water (24) through air feed preheating device (21) connection; Blower fan (26) one sides connect multiloop circulating flue gas path; Opposite side connects and to be located at the circulating flue gas outlet (29) in purifying box (28) akaline liquid, and there is flue inlet (27) the purifying box top, and the flue inlet is connected with blower fan on being connected on the air feed preheating device through fresh air passage (23) and mixing air passage (22); The air feed preheating device is connected with total intake adit (18) through total air feed mouth (17), and total intake adit connects the boiler internal working space through a minute air feed mouth (19), airduct (14).
2. the energy-conservation coal-turned-gas boiler of little discharging according to claim 1; It is characterized in that: said gas generating chamber (34) top is made up of gas generating chamber's insulating interlayer (2), heat exchanger tube (4); Leave passage between heat exchanger tube; The gas generating chamber side is made up of water-cooling wall (3), and the bottom is gas generating chamber's fire grate (1), and gas generating chamber's fire door is a hermetically-sealed construction.
3. the energy-conservation coal-turned-gas boiler of little discharging according to claim 1 is characterized in that: said coal gas pilot chamber sidewall is the heat insulation wall (6) that insulation material constitutes, the coal gas mixed gas passage (7) that has on the heat insulation wall.
4. the energy-conservation coal-turned-gas boiler of little discharging according to claim 1 is characterized in that: said air distribution device system's employing manual work or two kinds of patterns of microcomputerized control.
5. the energy-conservation coal-turned-gas boiler of little discharging according to claim 1 is characterized in that: said steam generating chamber (32) is made up of antiseepage Ji Zhashuichi (33) and airduct (14), and antiseepage Ji Zhashuichi (33) seals, and airduct is communicated with antiseepage Ji Zhashuichi.
CN2011203937408U 2011-10-17 2011-10-17 Micro-emission energy-saving coal-to-gas boiler CN202281217U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203937408U CN202281217U (en) 2011-10-17 2011-10-17 Micro-emission energy-saving coal-to-gas boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203937408U CN202281217U (en) 2011-10-17 2011-10-17 Micro-emission energy-saving coal-to-gas boiler

Publications (1)

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CN202281217U true CN202281217U (en) 2012-06-20

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104033886A (en) * 2013-03-07 2014-09-10 陈卫星 Cyclic combustion zero emission
CN104132357A (en) * 2013-05-04 2014-11-05 王其昌 Boiler energy saving and emission reducing device
CN105927967A (en) * 2016-04-28 2016-09-07 房沙沙 Boiler

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104033886A (en) * 2013-03-07 2014-09-10 陈卫星 Cyclic combustion zero emission
CN104132357A (en) * 2013-05-04 2014-11-05 王其昌 Boiler energy saving and emission reducing device
CN105927967A (en) * 2016-04-28 2016-09-07 房沙沙 Boiler

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120620

Termination date: 20161017

CF01 Termination of patent right due to non-payment of annual fee