CN104654276A - Spiral grate biomass particle combustion boiler - Google Patents

Spiral grate biomass particle combustion boiler Download PDF

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Publication number
CN104654276A
CN104654276A CN201510052701.4A CN201510052701A CN104654276A CN 104654276 A CN104654276 A CN 104654276A CN 201510052701 A CN201510052701 A CN 201510052701A CN 104654276 A CN104654276 A CN 104654276A
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CN
China
Prior art keywords
heater
spiral
combustion
fire grate
furnace
Prior art date
Application number
CN201510052701.4A
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Chinese (zh)
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CN104654276B (en
Inventor
杨俊栋
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杨俊栋
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Priority to CN201510052701.4A priority Critical patent/CN104654276B/en
Publication of CN104654276A publication Critical patent/CN104654276A/en
Application granted granted Critical
Publication of CN104654276B publication Critical patent/CN104654276B/en

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Abstract

The invention provides a spiral grate biomass particle combustion boiler. An exhaust fan and a dust collector are arranged on the back part of a boiler body, the dust collector is communicated with a deslagging tank which is arranged on the back lower part of the boiler body, a deslagging spiral tube is installed in the deslagging tank, a front combustion chamber and a main combustor are arranged in the boiler body, and a spiral grate is installed in the combustion chamber. The combustion boiler has the advantages of sufficiency in fuel combustion, good ventilation and integration of dust collection and deslagging, therefore, the combustion efficiency is high, the heat utilization rate is high, and the effects of energy conservation and environmental friendliness are realized. The combustion boiler is suitable for being used as a biomass particle combustion boiler.

Description

Spiral fire grate biological particles burning boiler

Technical field

The present invention is to provide a kind of combustion apparatus of biomass fuel, specifically spiral fire grate biological particles burning boiler.

Background technology

At present, biomass granular fuel boiler, adopts several combustion system: one is biomass vaporization furnace usually, there is control difficulty high, and easily discharge flue gas causes secondary pollution; Two is directly pushed in tray for combustion by fuel spiral, primary combustion and second-time burning complete combustion process simultaneously, Problems existing is the difference due to fuel material, biomass fuel utilization rate can produce waste, when under waste fuel molten condition, easy generation slagging scorification block blocks passage, follow-up fuel is produced and piles up, cause operation troubles; Three is that screw propulsion is counter burns stove, and deslagging need manually carry out, and can not realize automation, and operating difficulties, easily cause personal injury.

Existing biomass combustion boiler dedusting adopts the desulfurizing dust-collector set up, and ash slag cleaning needs special slag chute, carry out scarfing cinder by hand, fire grate adopts traveling-grate stoker or rolling fire grate usually, this furnace grate ventilation is poor, the easy coking of fuel, affects fuel and transmits effect, cause fuel combustion insufficient.

Summary of the invention

In order to overcome the defect of existing biomass granule fuel burning, the invention provides spiral fire grate biological particles burning boiler.This boiler, by deduster and except grit chamber is to flue gas ash removal and removing slag, transmits fuel by spiral fire grate, solves boiler dusting, scarfing cinder and fuel and advances the technical problem of burning.

The scheme that technical solution problem of the present invention adopts is:

Body of heater antetheca before being provided with observe door, on the upside of body of heater front portion, be provided with fuel add entrance, baffle plate is provided with in body of heater, as front combustion chamber between baffle plate and body of heater antetheca, top, front combustion chamber is provided with the chimney arch of arch, chimney arch is provided with ventilating opening, between rear furnace body wall, main chamber is formed on rear side of baffle plate, in main chamber and between furnace water jacket wall, vertical heat-exchange tube is housed, heat-exchange tube upper end is connected with the hot working fluid concentration chamber be arranged in body of heater, hot working fluid efferent duct is connected with on hot working fluid concentration chamber top, press water source capsule is provided with in upper of furnace body or side, press water source capsule is connected with furnace water jacket wall, for body of heater water, and be connected with air exhauster housing, body of heater upper back is provided with outlet flue, outlet flue is connected with in air exhauster, air exhauster is connected with deduster by flue gas delivery pipe, on the top of deduster, shower is housed, be communicated with except slag bath by dust removing tube in deduster bottom, horizontal in slag bath, slagging-off screwed pipe is housed, slagging-off screwed pipe be externally connected to slagging-off screwed pipe drive motors.Be provided with for air port at the lower portion of furnace body of front combustion chamber and main chamber.In front combustion chamber and main chamber bottom, spiral fire grate is housed.

Good effect, it is abundant that the present invention has fuel combustion, and air permeability is good, and dedusting is integrated with scarfing cinder, and therefore efficiency of combustion is high, and heat utilization rate is high, achieves the effect of energy-conserving and environment-protective.Be suitable for using as biomass granular fuel boiler.

Accompanying drawing explanation

Fig. 1 is structure chart of the present invention

Fig. 2 is spiral fire grate local structural graph of the present invention

Fig. 3 is helical rotation schematic diagram of the present invention

In figure, 1. body of heater, 2. fuel adds entrance, 3. before, observe door, 4. front combustion chamber, 5. chimney arch, 6. ventilating opening, 7. baffle plate, 8. fire grate, 8.1. fire-grating frame, 8.2. gear, 8.3. helix tube, 8.4. spiral, 8.5. bracing frame, 9. for air port, 10. main chamber, 11. heat-exchange tubes, 12. hot working fluid concentration chambers, 13. hot working fluid efferent ducts, 14. except slag bath, 15. slagging-off screwed pipes, 16. slagging-off screwed pipe drive motors, 17. press water source capsules, 18. air exhausters, 19. flue gas delivery pipe, 20. showers, 21. dedusters, 22. dust removing tubes.

Detailed description of the invention

According to the figure, body of heater 1 antetheca before being provided with observe door 3, on the upside of body of heater front portion, be provided with fuel add entrance 2, baffle plate 7 is provided with in body of heater, as front combustion chamber 4 between baffle plate and body of heater antetheca, top, front combustion chamber is provided with the chimney arch 5 of arch, chimney arch is provided with ventilating opening 6, between rear furnace body wall, main chamber 10 is formed on rear side of baffle plate, in main chamber and between furnace water jacket wall, vertical heat-exchange tube 11 is housed, heat-exchange tube upper end is connected with the hot working fluid concentration chamber 12 be arranged in body of heater, hot working fluid efferent duct 13 is connected with on hot working fluid concentration chamber top, press water source capsule 17 is provided with in upper of furnace body or side, press water source capsule is connected with furnace water jacket wall, for body of heater water, and be connected with air exhauster 18 housing, body of heater upper back is provided with outlet flue, outlet flue is connected with in air exhauster, air exhauster is connected with deduster 21 by flue gas delivery pipe 19, on the top of deduster, shower 20 is housed, be communicated with except slag bath 14 by dust removing tube 22 in deduster bottom, horizontal in slag bath, slagging-off screwed pipe 15 is housed, slagging-off screwed pipe be externally connected to slagging-off screwed pipe drive motors 16.

Be provided with for air port 9 at the lower portion of furnace body of front combustion chamber and main chamber.

In front combustion chamber and main chamber bottom, spiral fire grate 8 is housed.

Spiral fire grate is made up of many helix tubes 8.3 arranged in parallel, and one end is through being equipped with on the fire-grating frame 8.1 of gear 8.2, and the other end is contained on bracing frame 8.5, and every bar helix tube is equipped with spiral 8.4, and adjoining spiral pipe rotation direction is contrary.

Helix tube is provided with passage.

The course of work of the present invention:

During use, biomass fuel pellet is added entrance by fuel to be joined in front combustion chamber, and light, fuel catching fire, produce flame and flue gas, air is injected by ventilating opening, burn with fuel flue gas and flame oxygenation, promote temperature, now be subject to the effect of air exhauster, flue gas moves in main chamber, heat hot exchanging tube, simultaneously under the progradation of spiral fire grate, imperfect combustion fuel moves in main chamber, air is supplied by air supply opening, make full combustion of fuel, the heat produced that burns continues heat hot exchanging tube, working medium is by heat temperature raising, be subject to the effect of mass change, hot water or steam concentrate in hot working fluid concentration chamber, discharged by hot working fluid efferent duct, for application.The flue gas that front combustion chamber and main chamber fuel combustion produce is extracted out by air exhauster and is input in deduster by flue gas delivery pipe, by shower water spray dust, makes dust humidifying, is input to except in slag bath by dust removing tube.The slag that fuel combustion produces is sent to except in slag bath by fire grate, and the flue dust humidifying thing got off with dust removing tube is cleared out from except slag bath by the screwed pipe that removes the gred in the lump, and slagging-off screwed pipe drives running by slagging-off screwed pipe drive motors.

Due to air exhauster, To Be Protected from Heat, can the water jacket of water flowing so be provided with on air exhauster shell wall, plays the effect of cooling.

Feature:

Compared with existing biomass fuel pellet burner, feature of the present invention is:

1, flue gas is communicated with deduster through flue gas delivery pipe by the air exhauster being arranged on body of heater rear portion, be input to except in slag bath by spray wet flue gas, so there is no separately establish tapping equipment, to environmental benefits, and water jacket has been added on air exhauster and flue gas delivery pipe, air exhauster is played a protective role;

2, owing to adopting air exhauster exhaust, smoke evacuation tracheae is arranged in deduster, so can utilize waste heat, and exhaust does not have dust pollution.

3, owing to adopting helix tube driving fuel to advance and burning, so the upset burning of fuel can be realized, slagging prevention, make fuel combustion complete, and be provided with passage on the coil, so be conducive to breathing freely, make burning air feed abundant, also be conducive to the Thorough combustion of fuel, improve fuel availability.

4, the heat-exchange tube vertically arranged is conducive to the upwards operation of heat energy, is conducive to hot working fluid and concentrates, can not produce hot and cold water and mix water phenomenon.And be conducive to the stretching, extension of firing flame, make combustion flame Thorough combustion complete.

Claims (3)

1. spiral fire grate biological particles burning boiler, body of heater (1) antetheca before being provided with observe door (3), on the upside of body of heater front portion, be provided with fuel add entrance (2), baffle plate (7) is provided with in body of heater, as front combustion chamber (4) between baffle plate and body of heater antetheca, top, front combustion chamber is provided with the chimney arch (5) of arch, chimney arch is provided with ventilating opening (6), between rear furnace body wall, main chamber (10) is formed on rear side of baffle plate, vertical heat-exchange tube (11) is housed in main chamber and between furnace water jacket wall, heat-exchange tube upper end is connected with the hot working fluid concentration chamber (12) be arranged in body of heater, hot working fluid efferent duct (13) is connected with on hot working fluid concentration chamber top, press water source capsule (17) is provided with in upper of furnace body or side, press water source capsule is connected with furnace water jacket wall, for body of heater water, body of heater upper back is provided with outlet flue, shower (20) is housed on the top of deduster,
It is characterized in that:
Be connected with outlet flue at air exhauster (18), air exhauster is connected with deduster (21) by flue gas delivery pipe (19), be communicated with except slag bath (14) by dust removing tube (22) in deduster bottom, horizontal in slag bath, slagging-off screwed pipe (15) is housed, slagging-off screwed pipe be externally connected to slagging-off screwed pipe drive motors (16), be provided with for air port (9) at the lower portion of furnace body of front combustion chamber and main chamber, in front combustion chamber and main chamber bottom, spiral fire grate (8) be housed.
2. spiral fire grate biological particles burning boiler according to claim 1, it is characterized in that: spiral fire grate is made up of many helix tubes (8.3) arranged in parallel, one end is through being equipped with on the fire-grating frame (8.1) of gear (8.2), the other end is contained on bracing frame (8.5), every bar helix tube is equipped with spiral (8.4), adjoining spiral pipe rotation direction is contrary.
3. spiral fire grate biological particles burning boiler according to claim 1, is characterized in that: helix tube is provided with passage.
CN201510052701.4A 2015-02-02 2015-02-02 Spiral fire grate biological particles burning boiler CN104654276B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510052701.4A CN104654276B (en) 2015-02-02 2015-02-02 Spiral fire grate biological particles burning boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510052701.4A CN104654276B (en) 2015-02-02 2015-02-02 Spiral fire grate biological particles burning boiler

Publications (2)

Publication Number Publication Date
CN104654276A true CN104654276A (en) 2015-05-27
CN104654276B CN104654276B (en) 2017-06-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105674243A (en) * 2016-01-29 2016-06-15 潍坊金丝达新能源科技有限公司 Biomass high-temperature gasification boiler burner

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006117579A1 (en) * 2005-05-02 2006-11-09 FOCK, József Method and apparatus for gasifying and burning pellets made from herbaceous plants
CN201373579Y (en) * 2009-03-16 2009-12-30 金珖龙 Plant straw grain automatic boiler control device
KR20120059829A (en) * 2010-12-01 2012-06-11 최성호 Boiler for agriculture using hot water
CN202281216U (en) * 2011-09-22 2012-06-20 江苏新华机电设备制造有限公司 Organic-fuel fired boiler
CN103673284A (en) * 2013-11-26 2014-03-26 山西天兰锅炉有限公司 Smoke-free and environment-friendly multi-pipe secondary combustion water boiler
CN103791486A (en) * 2012-10-30 2014-05-14 国惠环保新能源有限公司 Stationary bed boiler preheated vertically and burnt sectionally at low temperature

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006117579A1 (en) * 2005-05-02 2006-11-09 FOCK, József Method and apparatus for gasifying and burning pellets made from herbaceous plants
CN201373579Y (en) * 2009-03-16 2009-12-30 金珖龙 Plant straw grain automatic boiler control device
KR20120059829A (en) * 2010-12-01 2012-06-11 최성호 Boiler for agriculture using hot water
CN202281216U (en) * 2011-09-22 2012-06-20 江苏新华机电设备制造有限公司 Organic-fuel fired boiler
CN103791486A (en) * 2012-10-30 2014-05-14 国惠环保新能源有限公司 Stationary bed boiler preheated vertically and burnt sectionally at low temperature
CN103673284A (en) * 2013-11-26 2014-03-26 山西天兰锅炉有限公司 Smoke-free and environment-friendly multi-pipe secondary combustion water boiler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105674243A (en) * 2016-01-29 2016-06-15 潍坊金丝达新能源科技有限公司 Biomass high-temperature gasification boiler burner
CN105674243B (en) * 2016-01-29 2018-06-26 刘振亮 biomass high-temperature gasification boiler burner

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