CN104406159A - Efficient novel biomass solid molded fuel combustion apparatus - Google Patents

Efficient novel biomass solid molded fuel combustion apparatus Download PDF

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Publication number
CN104406159A
CN104406159A CN201410721142.7A CN201410721142A CN104406159A CN 104406159 A CN104406159 A CN 104406159A CN 201410721142 A CN201410721142 A CN 201410721142A CN 104406159 A CN104406159 A CN 104406159A
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China
Prior art keywords
preheating channel
feeding preheating
biomass solid
hopper
burner hearth
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CN201410721142.7A
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Chinese (zh)
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CN104406159B (en
Inventor
张博
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GUANGZHOU HUANFENG ENERGY TECHNOLOGY Co Ltd
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GUANGZHOU HUANFENG ENERGY TECHNOLOGY Co Ltd
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Abstract

The invention discloses an efficient novel biomass solid molded fuel combustion apparatus. The efficient novel biomass solid molded fuel combustion apparatus comprises a hearth, a hopper and a feeding preheating channel, wherein a combustion chamber is arranged inside the hearth; a heat exchange tube is arranged inside the combustion chamber; one end of the heat exchange tube is communicated with a water inlet pipe, while the other end of the heat exchange tube is connected with a heat energy output device by use of an outlet pipe; a feeding hole is formed in the bottom of the sidewall of the hearth; a charging hole is formed in the top of the hopper, while a discharge hole is formed in the bottom of the hopper; the front and rear ends of the feeding preheating channel are connected to the discharge hole of the hopper and the feeding hole of the hearth, respectively; a conveying mechanism is arranged at the bottom of the feeding preheating channel; a heat conducting pipeline is arranged between the top of the feeding preheating channel and the top of the hearth; at least one stirring roller is arranged at the feeding preheating channel; rake teeth are arranged on the stirring roller. The efficient novel biomass solid molded fuel combustion apparatus is capable of increasing the heat energy utilization rate, advantageous for sufficient combustion of the fuel and capable of preventing coking.

Description

A kind of novel biomass solid molding fuel burner efficiently
Technical field
The present invention relates to field of combustion equipment, particularly relate to a kind of novel biomass solid molding fuel burner efficiently.
Background technology
Along with the cry for environmental protection in society is more and more higher, by the various combustion furnaces of the non-renewable resources such as burning coal, start slowly to fade out industry and civil area.This burning boiler not only brings serious environmental pollution, also can consumption earth energy day by day, is unfavorable for sustainable development.Biomass combustion device arises at the historic moment, it, using the root of various natural crops, cane as fuel, is mainly carbon dioxide in burnt gas, and remaining material also only includes some can for the inorganic matter of fertilising, therefore, biomass combustion device obtains wideling popularize of various circles of society.
Existing biomass combustion device generally comprises a burner hearth, is provided with heat-exchanger rig in burner hearth; Biomass fuel is poured in burner hearth from charging aperture and is burnt, and the heat of generation is derived by heat-exchanger rig, and the heat of derivation can carry out various industry and civil use, such as, generate electricity, cook, drive steam engine etc.
But, it is insufficient to there is burning in existing burner, burning produces the low problem of thermal efficiency, concrete cause have following some: when biomass fuel is poured in burner hearth, own temperature is lower, need the heat absorbed in burner hearth to make it heat up before reaching burning-point, this process will reduce the heat production rate of biomass fuel; And in existing burner, fuel is that one brain is poured in burner hearth, fuel is piled up agglomerating mutually, amass low with air contact surfaces, not only cause lengthen burning time, also very easily cause coking phenomenon, namely the peripheral spent material of agglomerating fuel wraps up inner unburned fuel, cause burning insufficient, heat production rate is low, causes the waste of fuel.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of novel biomass solid molding fuel burner efficiently, can heat utilization rate be improved, contribute to the Thorough combustion of fuel, the appearance of slagging prevention phenomenon.
For achieving the above object, the present invention adopts following technical scheme:
A kind of novel biomass solid molding fuel burner efficiently, comprises burner hearth, hopper and feeding preheating channel; Described burner hearth inside has a combustion chamber, and combustion chamber inside is provided with heat exchanger tube, and one end of heat exchanger tube is communicated with water inlet pipe, and the other end connects heat energy output device by delivery line; The sidewall bottom of burner hearth offers a charging aperture; Described hopper top is provided with a charge door, and feed hopper bottom is provided with discharging opening; The rear and front end of described feeding preheating channel connects the discharging opening of described hopper and the charging aperture of burner hearth respectively, the bottom of feeding preheating channel is provided with connecting gear, thermal conductive pipe is provided with between the top of feeding preheating channel and roof of the furnace, feeding preheating channel is provided with at least one agitating roller, and agitating roller is provided with rake teeth.
Preferably, one end of described thermal conductive pipe connection feeding preheating channel is provided with several heat conduction arm being uniformly distributed in feeding preheating channel roof.
Preferably, described agitating roller is provided with three altogether, and is installed in equably on the length direction of feeding preheating channel.
Further, described burner hearth bottom be provided with one toward burner hearth charging aperture conveying air pressure fan.
Further, the described connecting gear conveyer belt that comprises two driving wheels and be synchronously connected on two driving wheels.
As mentioned above, biomass solid formed fuel in the process that feeding preheating channel transmits in burner hearth, by the stirring of agitating roller, agglomerating uniform fuel can be made to scatter, increase the contact area of fuel and air, promote the Thorough combustion of fuel, prevent coking phenomenon; Meanwhile, the high-temperature gas in burner hearth constantly blows to fuel by thermal conductive pipe, carries out preheating to it, can not only dry the moisture remaining in fuel inside, can also improve the charging temperature of fuel, thus improves heat utilization rate.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of efficient novel biomass solid molding fuel burner of the present invention.
Wherein: 1, burner hearth; 11, combustion chamber; 12, charging aperture; 2, feeding preheating channel; 21, driving wheel; 22, conveyer belt; 23, thermal conductive pipe; 231, heat conduction arm; 24, agitating roller; 241, rake teeth; 3, hopper; 31, charge door; 32, discharging opening; 40, heat exchanger tube; 41, water inlet pipe; 42, delivery line; 5, pressure fan.
Detailed description of the invention
Below, by reference to the accompanying drawings and detailed description of the invention, the present invention is described further:
Refer to Fig. 1, it is a kind of novel biomass solid molding fuel burner efficiently of the present invention, comprises burner hearth 1, hopper 3 and feeding preheating channel 2; Described burner hearth 1 inside has a combustion chamber 11, combustion chamber 11 inside is provided with heat exchanger tube 40, one end of heat exchanger tube 40 is communicated with water inlet pipe 41, and the other end connects heat energy output device (not shown) by delivery line 42, and heat exchanger tube 40 is back and forth roundabout tubular structure; During work, extraneous cold water passes in heat exchanger tube 40 from water inlet pipe 41, sufficient heat exchange is carried out with the hot-air in combustion chamber 11 through repeatedly back and forth roundabout, cold water becomes high-temperature hot steam, and finally go out to derive from delivery line 42, with being worth mentioning, described heat energy output device can be steam engine, heating installation or other any type of devices being applicable to utilizing vapours; The sidewall bottom of burner hearth 1 offers a charging aperture 12; Described hopper 3 top is provided with a charge door 31, is provided with discharging opening 32 bottom hopper 3; Described feeding preheating channel 2 is closed conduit structure, its rear and front end connects the discharging opening 32 of described hopper 3 and the charging aperture 12 of burner hearth 1 respectively, the bottom of feeding preheating channel 2 is provided with connecting gear, particularly, the conveyer belt 22 that this connecting gear comprises two driving wheels 21 and is synchronously connected on two driving wheels 21, fuel adds from hopper 3, drops on conveyer belt 22, and driving wheel 21 drives conveyer belt 22 by fuel continuously toward conveying in burner hearth 1.
Thermal conductive pipe 23 is provided with between the top of feeding preheating channel 2 and burner hearth 1 top, this thermal conductive pipe 23 is for importing in feeding preheating channel 2 by the high-temperature gas in burner hearth 1, and continuously preheating is carried out to fuel, the effect of further drying fuel is reached with this, and improve the charging temperature of fuel, play the effect improving heat utilization rate; As further improvement, one end that described thermal conductive pipe 23 connects feeding preheating channel 2 is provided with several heat conduction arm 231 being uniformly distributed in feeding preheating channel 2 roof, and such setting can further improve the effect of oven dry and preheating.
Feeding preheating channel 2 is provided with at least one agitating roller 24, in the present embodiment, being provided with three agitating rollers, 24, three agitating rollers 24 is altogether installed on the length direction of feeding preheating channel 2 equably, each agitating roller 24 is equipped with rake teeth 241, and the side-looking of agitating roller 24 is star; During work, the rotation direction of agitating roller 24 is consistent with direction of transfer, by arranging this agitating roller 24, can stir fuel, combing, fuel that is agglomerating, that become to tie is scatter, the effect of drying and forewarm can not only be improved, the contact area of fuel and air can also be increased, promote the Thorough combustion of fuel, thus the appearance of slagging prevention phenomenon.
Particularly, be provided with one to carry air pressure fan 5 toward burner hearth 1 charging aperture 12 bottom described burner hearth 1, the outlet of pressure fan 5 just in time blow to fall into burner hearth 1 fuel on, the air be blown into can not only provide combustion-supporting gas, also can raise up further, dispersion fuel, promote the Thorough combustion of fuel.
In sum, use burner of the present invention, biomass solid formed fuel is in the process that feeding preheating channel 2 transmits in burner hearth 1, by the stirring of agitating roller 24, agglomerating uniform fuel can be made to scatter, increase the contact area of fuel and air, promote the Thorough combustion of fuel, prevent coking phenomenon; Meanwhile, the high-temperature gas in burner hearth 1 constantly blows to fuel by thermal conductive pipe 23, carries out preheating to it, can not only dry the moisture remaining in fuel inside, can also improve the charging temperature of fuel, thus improves heat utilization rate.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection domain of the claims in the present invention.

Claims (5)

1. an efficient novel biomass solid molding fuel burner, is characterized in that, comprises burner hearth, hopper and feeding preheating channel; Described burner hearth inside has a combustion chamber, and combustion chamber inside is provided with heat exchanger tube, and one end of heat exchanger tube is communicated with water inlet pipe, and the other end connects heat energy output device by delivery line; The sidewall bottom of burner hearth offers a charging aperture; Described hopper top is provided with a charge door, and feed hopper bottom is provided with discharging opening; The rear and front end of described feeding preheating channel connects the discharging opening of described hopper and the charging aperture of burner hearth respectively, the bottom of feeding preheating channel is provided with connecting gear, thermal conductive pipe is provided with between the top of feeding preheating channel and roof of the furnace, feeding preheating channel is provided with at least one agitating roller, and agitating roller is provided with rake teeth.
2. novel biomass solid molding fuel burner efficiently as claimed in claim 1, is characterized in that: one end that described thermal conductive pipe connects feeding preheating channel is provided with several heat conduction arm being uniformly distributed in feeding preheating channel roof.
3. novel biomass solid molding fuel burner efficiently as claimed in claim 1 or 2, is characterized in that: described agitating roller is provided with three altogether, and is installed in equably on the length direction of feeding preheating channel.
4. novel biomass solid molding fuel burner efficiently as claimed in claim 1, is characterized in that: described burner hearth bottom is provided with one toward the pressure fan of burner hearth charging aperture conveying air.
5. novel biomass solid molding fuel burner efficiently as claimed in claim 1, is characterized in that: the conveyer belt that described connecting gear comprises two driving wheels and is synchronously connected on two driving wheels.
CN201410721142.7A 2014-12-01 2014-12-01 A kind of efficient novel biomass solid molding fuel burner Active CN104406159B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106123003A (en) * 2016-08-12 2016-11-16 无锡欧玛森远洋工程设备有限公司 A kind of Industrial Boiler charging gear
CN108317538A (en) * 2017-12-27 2018-07-24 佛山杰致信息科技有限公司 A kind of raw material conveying device can guarantee biomass completely burned
CN108380353A (en) * 2017-12-27 2018-08-10 佛山杰致信息科技有限公司 A kind of biomass combustion pretreatment unit

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201321674A (en) * 2011-11-17 2013-06-01 Taiwan Power Co Combined biocoal and power generation system
CN203310234U (en) * 2013-04-17 2013-11-27 温州市特种设备检测中心 Device utilizing low-temperature smoke exhausted by boiler to dry and preheat biomass fuel
US20140026791A1 (en) * 2011-04-08 2014-01-30 Hitachi Ltd Device and Method for Manufacturing Semi-Carbonized Fuel of Biomass, and Power Generation System Using Semi-Carbonized Fuel
CN203642160U (en) * 2013-11-21 2014-06-11 广州环峰能源科技有限公司 Steam boiler for burning herb residues
CN104044863A (en) * 2014-05-23 2014-09-17 中工国际工程股份有限公司 Rake-toothed biomass material conveying device
CN104089491A (en) * 2014-07-03 2014-10-08 肇庆宏旺金属实业有限公司 Waste heat recycling system of annealing furnace
CN203946582U (en) * 2014-04-16 2014-11-19 中工国际工程股份有限公司 A kind of biomass material belt conveyor
CN204358703U (en) * 2014-12-01 2015-05-27 广州环峰能源科技有限公司 A kind of novel biomass solid molding fuel burner efficiently

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140026791A1 (en) * 2011-04-08 2014-01-30 Hitachi Ltd Device and Method for Manufacturing Semi-Carbonized Fuel of Biomass, and Power Generation System Using Semi-Carbonized Fuel
TW201321674A (en) * 2011-11-17 2013-06-01 Taiwan Power Co Combined biocoal and power generation system
CN203310234U (en) * 2013-04-17 2013-11-27 温州市特种设备检测中心 Device utilizing low-temperature smoke exhausted by boiler to dry and preheat biomass fuel
CN203642160U (en) * 2013-11-21 2014-06-11 广州环峰能源科技有限公司 Steam boiler for burning herb residues
CN203946582U (en) * 2014-04-16 2014-11-19 中工国际工程股份有限公司 A kind of biomass material belt conveyor
CN104044863A (en) * 2014-05-23 2014-09-17 中工国际工程股份有限公司 Rake-toothed biomass material conveying device
CN104089491A (en) * 2014-07-03 2014-10-08 肇庆宏旺金属实业有限公司 Waste heat recycling system of annealing furnace
CN204358703U (en) * 2014-12-01 2015-05-27 广州环峰能源科技有限公司 A kind of novel biomass solid molding fuel burner efficiently

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106123003A (en) * 2016-08-12 2016-11-16 无锡欧玛森远洋工程设备有限公司 A kind of Industrial Boiler charging gear
CN108317538A (en) * 2017-12-27 2018-07-24 佛山杰致信息科技有限公司 A kind of raw material conveying device can guarantee biomass completely burned
CN108380353A (en) * 2017-12-27 2018-08-10 佛山杰致信息科技有限公司 A kind of biomass combustion pretreatment unit

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Address after: 511442, Tian An 1, 808, Panyu District science and technology industrial building, Panyu energy saving Science Park, No. 555 Panyu Avenue, east ring street, Guangdong, Guangzhou

Applicant after: GUANGZHOU HUANFENG ENERGY TECHNOLOGY CO., LTD.

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Denomination of invention: An efficient new biomass solid briquette fuel combustion device

Effective date of registration: 20211105

Granted publication date: 20171128

Pledgee: Shanghai Pudong Development Bank Co., Ltd. Guangzhou Branch

Pledgor: Guangzhou Huanfeng Energy Technology Co., Ltd

Registration number: Y2021980011939