CN104566345A - Biomass gasification combustion boiler - Google Patents

Biomass gasification combustion boiler Download PDF

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Publication number
CN104566345A
CN104566345A CN201410835254.5A CN201410835254A CN104566345A CN 104566345 A CN104566345 A CN 104566345A CN 201410835254 A CN201410835254 A CN 201410835254A CN 104566345 A CN104566345 A CN 104566345A
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CN
China
Prior art keywords
furnace shell
chamber
combustion chamber
gasification
combustion
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
CN201410835254.5A
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Chinese (zh)
Inventor
生浩岩
生继成
王连生
庞翥
赵贺
张大鹏
王振兴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JINZHOU SHENGTAI ENVIRONMENTAL PROTECTION EQUIPMENT BOILER Co Ltd
Original Assignee
JINZHOU SHENGTAI ENVIRONMENTAL PROTECTION EQUIPMENT BOILER Co Ltd
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Publication date
Application filed by JINZHOU SHENGTAI ENVIRONMENTAL PROTECTION EQUIPMENT BOILER Co Ltd filed Critical JINZHOU SHENGTAI ENVIRONMENTAL PROTECTION EQUIPMENT BOILER Co Ltd
Priority to CN201410835254.5A priority Critical patent/CN104566345A/en
Publication of CN104566345A publication Critical patent/CN104566345A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a biomass gasification combustion boiler. The biomass gasification combustion boiler has the advantages that the combustion is sufficient, the flame has no dust, odor and tar and is clear and transparent, the flame intensity is higher than the flame intensity of a direct-combustion boiler, the application range for fuels is wide, the heat efficiency is high, the fuel is saved, the smoke dust is removed, the operation is simple, and the fault rate is low. The biomass gasification combustion boiler comprises a base, a furnace shell, a longitudinal jacket and a separating jacket, wherein a gasification and combustion chamber and a heat exchange chamber in the furnace shell are separated by the longitudinal jacket, the gasification and combustion chamber is separated into a gasification chamber and a combustion chamber by the longitudinal jacket, a combined furnace grate is arranged at the bottom surface of the furnace shell, and a primary air/ash chamber and a primary air/ash valve are arranged in the furnace shell. The biomass gasification combustion boiler is characterized in that a secondary air chamber is arranged under the combustion chamber in the base, a secondary air valve is arranged on the base, the combustion chamber is separated from the secondary air chamber through an inclined fireproof isolating plate, an air ventilating pipe is arranged on the fireproof separating plate, the combustion chamber is communicated with the secondary air chamber through an air ventilating pipe, a press cover is in an inclining type, a plurality of slag punching holes are formed in the side surface of the furnace shell and are communicated with the lower part of the gasification chamber, and a sealing cover is arranged on the slag punching holes.

Description

Biomass gasification fired boiler
Technical field
The present invention relates to a kind of gasification boiler, especially biomass gasification fired boiler.
Background technology
Biomass molding fuel is the green of generally acknowledging in the world, pollution-free, reproducible novel energy.In recent years along with the adjustment of China's energy strategy; and environmental protection, power saving regulations strict enforcement, biomass molding fuel starts to be paid close attention to widely by people and accept, and enters scale application period; play the advantage that it is exclusive, become a kind of important energy and supplement and substitute.
Biomass molding fuel also can cause air pollution to a certain degree under incomplete combustion or pollution reducing facility run abnormal situation.Existing biomass heating furnace mainly contains the burning of grate firing fire grate machinery, moving grate direct-combustion boiler and fixed grate direct-combustion boiler.Due to employing is all that direct mode ubiquity fuel combustion of burning is insufficient, coking is serious, ash content carbon is high, waste of fuel is serious, the phenomenons such as Pollutant emission concentration is too high, smolder, and problem of environmental pollution is still very serious.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of sufficient combustion, flame is dustless, tasteless, without tar, thoroughly limpid, flame intensity is far longer than direct-combustion boiler, to fuel wide accommodation, the thermal efficiency is high, fuel saving, eliminates flue dust, simple to operate, automatic control can be realized, the biomass gasification fired boiler that fault rate is extremely low.
Technical solution of the present invention is:
A kind of biomass gasification fired boiler, comprise base, base is provided with furnace shell, furnace shell is provided with furnace shell inner water sleeve, the longitudinal spacer communicated with furnace shell inner water sleeve is provided with in furnace shell, in furnace shell, corresponding longitudinal spacer side is gasification combustion chamber, opposite side is heat-exchanging chamber, gasification combustion chamber and heat-exchanging chamber are separated by longitudinal water jacket, gasification, and combustion indoor are provided with the isolation water jacket communicated with furnace shell inner water sleeve, by isolation water jacket, gasification combustion chamber is divided into vaporizer and combustion chamber, furnace shell is respectively equipped with exhaust opening and dog-house above corresponding heat-exchanging chamber He above vaporizer, described dog-house is provided with gland, the corresponding gland position of described dog-house outer rim is provided with annular water tank, furnace shell is provided with fire door, the combined fire grate be made up of moving grate and fixed grate is provided with below the corresponding gasification combustion chamber in furnace shell bottom surface, gap between described isolation water jacket bottom and combined fire grate forms combustion gas outlet, combustion chamber communicates through combustion gas outlet with vaporizer, be positioned in furnace shell below combined fire grate is First air/grey room, First air/grey the door communicated with described First air/grey room is provided with on furnace shell or on base, its special character is: be positioned in base below combustion chamber and be provided with secondary air chamber, base is provided with the secondary air register communicated with secondary air chamber, described combustion chamber and secondary air chamber are isolated by the fire rated partition tilted, fire rated partition is provided with ventilation duct, described combustion chamber is communicated by described ventilation duct with secondary air chamber, described gland is skewed, described furnace shell side is provided with multiple slag hitting hole communicated with vaporizer bottom, slag hitting hole is provided with capping.
Described isolated water cover top tilts to direction, combustion chamber, can the memory space of increasing fuel, and increases drying effect, augmentation of heat transfer, and obtain the thermal efficiency high, described secondary air register is provided with air vent I, air vent is arranged air quantity and regulates spiral cover.
Described tank is provided with spout hole, and spout hole can connect overflow pipe, the water overflowed is discharged through overflow pipe in tank.
Described air quantity regulates spiral cover to be provided with the air vent II matched with air vent I, regulates the overlapping area size of air vent I and air vent II, adjustable secondary intake by screwing spiral cover.
Described gland and furnace shell hinged, gland is installed with handle.
The invention has the beneficial effects as follows:
1, fixed grate and the moving grate of inclination is provided with in furnace shell, carry the passage that fuel and gasifying agent enter vaporizer and combustion chamber, moving grate has the effect of the lime-ash removing gasification and the rear generation of burning and has broken burnt function, to fuel wide accommodation, low ash smelting point biomass molding fuel can be used; Biomass molding fuel is made to generate fuel gas through the indoor overheavy firing of boiler combustion through Pintsch process destructive distillation in vaporizer by vaporizer.
2, agglomerate on gland because biomass molding fuel easily produces cool solidifying water in vaporizer, gland is skewed, cool solidifying water is flowed in tank through gland inwall low side, avoids condensate return to enter in vaporizer and make living beings moist, impact gasification and combustion efficiency.
3, owing to being provided with secondary air chamber, secondary air chamber is communicated with by ventilation duct with combustion chamber, can play the effect of overheavy firing, smoke abatement and dust control.
4, furnace shell side is provided with multiple slag hitting hole communicated with vaporizer bottom in furnace shell, prevents vaporizer bottom ashe from depositing, and improves efficiency of combustion.
5, in sum, the present invention can realize gasification, and combustion, sufficient combustion, and to fuel wide accommodation, the thermal efficiency is high, fuel saving, eliminates flue dust, failure rate is low, simple to operation, cheap.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the top view of Fig. 1;
Fig. 4 is the structural representation of ash door in Fig. 1;
Fig. 5 is the A portion enlarged drawing of Fig. 1.
In figure: 1-base, 2-furnace shell, 3-gland, 4-tank, 401-spout hole, 5-dog-house, 6-vaporizer, 7-isolates water jacket, 8-combustion chamber, 9-slag hitting hole, 10-combustion gas outlet, 11-fixed grate, 12-First air/grey room, 13-First air/grey room door, 14-moving grate, 15-fire rated partition, 16-secondary air chamber, 17-ventilation duct, 18-fire door, 19-secondary air register, 1901-air vent I, 20-spiral cover, 2001-air vent II, 21-heat-exchanging chamber, 22-furnace shell inner water sleeve, 23-heat pipe.
Detailed description of the invention
As shown in the figure, the biomass gasification fired boiler that the present invention relates to, comprise base 1, base 1 is provided with furnace shell 2, furnace shell 2 is made up of stove outer covering and stove inner casing and gap therebetween forms furnace shell inner water sleeve 22, the longitudinal spacer 24 communicated with furnace shell 2 inner water sleeve is provided with in furnace shell 2, in furnace shell, corresponding longitudinal spacer 24 side is gasification combustion chamber, opposite side is heat-exchanging chamber 21, gasification combustion chamber and heat-exchanging chamber 21 are separated by longitudinal water jacket 24, gasification, and combustion indoor are provided with the isolation water jacket 7 communicated with furnace shell inner water sleeve 22, by isolation water jacket 7, gasification combustion chamber is divided into vaporizer 6 and combustion chamber 8, the exhaust opening 25 communicated with heat-exchanging chamber 21 and the dog-house 5 communicated with vaporizer 6 is respectively equipped with above the corresponding heat-exchanging chamber 21 of furnace shell 2 end face with above vaporizer 6, described dog-house 5 is provided with gland 3, gland 3 is installed with handle 301, described gland 3 is in skewed, corresponding gland 3 position of described dog-house 5 outer rim is provided with annular water tank 4, furnace shell 2 is provided with fire door 18 above, the heat pipe 23 communicated with furnace shell inner water sleeve 22 is provided with in heat-exchanging chamber 21, the combined fire grate be made up of moving grate 14 and fixed grate 11 is provided with below the corresponding gasification combustion chamber in furnace shell 2 bottom surface, wherein below the corresponding vaporizer of fixed grate 11 6 and fixed grate 11 one end adjacent with moving grate 14 is downward-sloping, below moving grate 14 respective combustion chamber 8, gap between described isolation water jacket 7 bottom and moving grate 14 forms combustion gas outlet 10, combustion chamber 8 communicates through combustion gas outlet 10 with vaporizer 6, be positioned in furnace shell 2 below combined fire grate is First air/grey room 12, base 1 (or furnace shell 2) is provided with the First air/grey door 13 communicated with described First air/grey room 12, be positioned in base 1 below combustion chamber 8 and be provided with secondary air chamber 16, base 1 is provided with the secondary air register 19 communicated with secondary air chamber 16, described secondary air register 19 is provided with air vent I 1901, secondary air register 19 is arranged air quantity and regulate spiral cover 20, described spiral cover 20 is provided with the air vent II 2001 matched with air vent I 1901, described combustion chamber 8 is isolated by the fire rated partition 15 being arranged on the inclination on furnace shell 2 inwall with secondary air chamber 16, fire rated partition 15 is provided with ventilation duct 17, described combustion chamber 8 is communicated by described ventilation duct 17 with secondary air chamber 16, described furnace shell 2 side is provided with multiple slag hitting hole 9 communicated with vaporizer 6 bottom, slag hitting hole 9 is provided with capping 901.
During operation, biomass fuel drops into vaporizer 6 from dog-house 5, the process of vaporizer 6 to combustion chamber 8 through super-dry, destructive distillation, reduction-oxidation is discharged finally by moving grate 14, the cool solidifying water produced flows in tank 4 through gland 3, spout hole 401 on tank 4 is discharged, avoid condensed water again to flow in vaporizer 8 and make living beings moist, impact burning.When primary air flow is inadequate, air blast can be placed outside First air/grey door 13; In combustion, capping 901 can be opened, iron cuttage is entered in slag hitting hole 9 to carry out slag hitting.

Claims (5)

1. a biomass gasification fired boiler, comprise base, base is provided with furnace shell, furnace shell is provided with furnace shell inner water sleeve, the longitudinal spacer communicated with furnace shell inner water sleeve is provided with in furnace shell, in furnace shell, corresponding longitudinal spacer side is gasification combustion chamber, opposite side is heat-exchanging chamber, gasification combustion chamber and heat-exchanging chamber are separated by longitudinal water jacket, gasification, and combustion indoor are provided with the isolation water jacket communicated with furnace shell inner water sleeve, by isolation water jacket, gasification combustion chamber is divided into vaporizer and combustion chamber, furnace shell is respectively equipped with exhaust opening and dog-house above corresponding heat-exchanging chamber He above vaporizer, described dog-house is provided with gland, the corresponding gland position of described dog-house outer rim is provided with annular water tank, furnace shell is provided with fire door, the combined fire grate be made up of moving grate and fixed grate is provided with below the corresponding gasification combustion chamber in furnace shell bottom surface, gap between described isolation water jacket bottom and combined fire grate forms combustion gas outlet, combustion chamber communicates through combustion gas outlet with vaporizer, be positioned in furnace shell below combined fire grate is First air/grey room, First air/grey the door communicated with described First air/grey room is provided with on furnace shell or on base, it is characterized in that: be positioned in base below combustion chamber and be provided with secondary air chamber, base is provided with the secondary air register communicated with secondary air chamber, described combustion chamber and secondary air chamber are isolated by the fire rated partition tilted, fire rated partition is provided with ventilation duct, described combustion chamber is communicated by described ventilation duct with secondary air chamber, described gland is skewed, described furnace shell side is provided with multiple slag hitting hole communicated with vaporizer bottom, slag hitting hole is provided with capping.
2. biomass gasification fired boiler according to claim 1, it is characterized in that: described isolated water cover top tilts to direction, combustion chamber, can the memory space of increasing fuel, and increase drying effect, augmentation of heat transfer, obtain the thermal efficiency high, described secondary air register is provided with air vent I, air vent is arranged air quantity and regulates spiral cover.
3. biomass gasification fired boiler according to claim 1, is characterized in that: described tank is provided with spout hole, and spout hole can connect overflow pipe, the water overflowed is discharged through overflow pipe in tank.
4. biomass gasification fired boiler according to claim 1, is characterized in that: described air quantity regulates spiral cover to be provided with the air vent II matched with air vent I.
5. biomass gasification fired boiler according to claim 1, is characterized in that: described gland and furnace shell hinged, gland is installed with handle.
CN201410835254.5A 2014-12-30 2014-12-30 Biomass gasification combustion boiler Pending CN104566345A (en)

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CN201410835254.5A CN104566345A (en) 2014-12-30 2014-12-30 Biomass gasification combustion boiler

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Application Number Priority Date Filing Date Title
CN201410835254.5A CN104566345A (en) 2014-12-30 2014-12-30 Biomass gasification combustion boiler

Publications (1)

Publication Number Publication Date
CN104566345A true CN104566345A (en) 2015-04-29

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107084386A (en) * 2017-03-16 2017-08-22 广东正鹏生物质能源科技有限公司 A kind of integrated gasification fired boiler system of biomass
CN108716670A (en) * 2018-04-28 2018-10-30 王仲宇 A kind of multifunctional biomass high-temperature gasification boiler-burner
CN110396430A (en) * 2019-08-19 2019-11-01 广州汇迪新能源科技有限公司 A kind of three material bed Multifunction biological mass gasifying furnaces

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101561137A (en) * 2009-05-27 2009-10-21 生继成 Downdraft gasification coal-fired boiler
CN101907352A (en) * 2010-07-19 2010-12-08 朱连元 Underlying transverse biomass burning gasification boiler
CN103742946A (en) * 2013-12-12 2014-04-23 锦州生泰环保设备锅炉有限公司 Downdraft biomass gasification combustion cooking and heating furnace
CN203642238U (en) * 2013-12-06 2014-06-11 石家庄市春燕采暖设备有限公司 One-chamber dual-combustion type environment-friendly energy-saving gasification cooking hearing furnace
CN103979765A (en) * 2014-05-19 2014-08-13 山东建筑大学 Bio-drying reactor capable of preventing condensate water from refluxing
CN204513363U (en) * 2014-12-30 2015-07-29 锦州生泰环保设备锅炉有限公司 Biomass gasification fired boiler

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101561137A (en) * 2009-05-27 2009-10-21 生继成 Downdraft gasification coal-fired boiler
CN101907352A (en) * 2010-07-19 2010-12-08 朱连元 Underlying transverse biomass burning gasification boiler
CN203642238U (en) * 2013-12-06 2014-06-11 石家庄市春燕采暖设备有限公司 One-chamber dual-combustion type environment-friendly energy-saving gasification cooking hearing furnace
CN103742946A (en) * 2013-12-12 2014-04-23 锦州生泰环保设备锅炉有限公司 Downdraft biomass gasification combustion cooking and heating furnace
CN103979765A (en) * 2014-05-19 2014-08-13 山东建筑大学 Bio-drying reactor capable of preventing condensate water from refluxing
CN204513363U (en) * 2014-12-30 2015-07-29 锦州生泰环保设备锅炉有限公司 Biomass gasification fired boiler

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107084386A (en) * 2017-03-16 2017-08-22 广东正鹏生物质能源科技有限公司 A kind of integrated gasification fired boiler system of biomass
CN108716670A (en) * 2018-04-28 2018-10-30 王仲宇 A kind of multifunctional biomass high-temperature gasification boiler-burner
CN110396430A (en) * 2019-08-19 2019-11-01 广州汇迪新能源科技有限公司 A kind of three material bed Multifunction biological mass gasifying furnaces

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Application publication date: 20150429