CN104329661A - Wood chip combustion furnace suitable for dryer - Google Patents

Wood chip combustion furnace suitable for dryer Download PDF

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Publication number
CN104329661A
CN104329661A CN201410496210.4A CN201410496210A CN104329661A CN 104329661 A CN104329661 A CN 104329661A CN 201410496210 A CN201410496210 A CN 201410496210A CN 104329661 A CN104329661 A CN 104329661A
Authority
CN
China
Prior art keywords
wall
heater
wood chip
combustion furnace
blower fan
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
CN201410496210.4A
Other languages
Chinese (zh)
Inventor
李留纪
罗刚银
孔得友
薛艳芬
朱甲哲
刘彦辰
周晓磊
孟金福
刘书强
訾伟旗
屈学雷
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.)
Zhengzhou Dingli New Energy Technology Co Ltd
Original Assignee
Zhengzhou Dingli New Energy Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhengzhou Dingli New Energy Technology Co Ltd filed Critical Zhengzhou Dingli New Energy Technology Co Ltd
Priority to CN201410496210.4A priority Critical patent/CN104329661A/en
Publication of CN104329661A publication Critical patent/CN104329661A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23CMETHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C10/00Fluidised bed combustion apparatus
    • F23C10/002Fluidised bed combustion apparatus for pulverulent solid fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00Air heaters
    • F24H3/008Air heaters using solid fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23CMETHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2206/00Fluidised bed combustion
    • F23C2206/10Circulating fluidised bed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H2230/00Solid fuel fired boiler

Abstract

The invention relates to a wood chip combustion furnace suitable for a dryer. The wood chip combustion furnace includes an air distribution draught fan, a spiral conveying machine, a material-feeding draught fan, a fuel bin, an air bellow and a furnace body. The air distribution draught fan is arranged at one side outside the furnace body and is connected to the lower part of the furnace body through pipelines. An air cap and the air bellow connected thereto are arranged between the pipeline and the furnace body. The fuel bin is disposed at a material inlet end of the furnace body. The spiral conveying machine is fixedly connected to the fuel bin and is arranged outside the furnace body. The material-feeding draught fan is matched with and connected to the spiral conveying machine. The material-feeding draught fan is connected to the furnace body through a feeding pipe. The wood chip combustion furnace can employ crushed wood chip so that the fuel is low in cost. The combustion furnace is less in relative auxiliary device, is low in cost, can reduce production operation cost, is less in energy consumption and can reduce resource waste.

Description

A kind of wood chip combustion furnace being applicable to dryer
Technical field
The present invention relates to oven dry technical field of mechanical equipment, particularly relate to a kind of wood chip combustion furnace being applicable to dryer.
Background technology
At present, the combustion furnace of dryer is for providing the equipment of thermal source to material to be dried in drying plant industry.Drying plant will be passed into as in roller drying machine after the hot gas purification produced after fuel combustion in combustion furnace, material to be dried in the cylindrical shell of roller drying machine is dried, but existing heat resource equipment has the following disadvantages in actual production: fuel used is all combustion gas, readymade coal, wet goods, the price comparison of fuel is high, cause the operating cost of enterprise high, the auxiliary equipment of combustion apparatus is more, and investment is comparatively large, and in equipment runs, the waste of heat is larger.
Summary of the invention
For the defect of prior art, the present invention proposes a kind of wood chip combustion furnace being applicable to dryer, and fuel can use the wood chip after pulverizing, and the price of fuel is lower, and the relevant auxiliary equipment of combustion furnace is few, invests little, can reduce production run cost; Energy loss is few, reduces energy waste.
For achieving the above object, the present invention proposes a kind of wood chip combustion furnace being applicable to dryer, comprises air distribution blower fan, conveying worm, feeding fan, fuel feed bin, bellows, and body of heater; Described air distribution blower fan is arranged on the side outside body of heater, and air distribution blower fan is connected with the below of body of heater by pipeline, the bellows arranging blast cap between pipeline with body of heater and be connected with blast cap; Described fuel feed bin is arranged on the feed end of body of heater, and conveying worm is fixedly connected with fuel feed bin and is arranged on outside body of heater, and described feeding fan and conveying worm are connected, and feeding fan is connected with body of heater by feed pipe; Described body of heater comprises the ground being arranged on below, be equipped with the body of wall on ground, coupling is arranged on the furnace roof on body of wall top, is equipped with the hot-blast outlet in body of wall one end, be arranged on the lighting-up tuyere of body of wall side, be arranged on body of wall and furnace roof and be enclosed to form firebreak in space; Be arranged on and body of wall joins cold wind import.
Described blast cap is multiplely disposed in an evenly spaced relation in below body of heater, and bellows coordinate the below being arranged on blast cap, and bellows are connected with air distribution blower fan by pipeline; Blast cap is equipped with between the body of wall and firebreak of feed end, and the top of blast cap is provided with the grains of sand.
Described fuel feed bin is arranged on the feed end place near body of heater, charging blower fan and conveying worm are connected, feed pipe is in height arranged on the middle and lower part of the body of wall of body of heater feed end, sets gradually expanded vermiculite insulation material and the fire-resistant standard brick of clayey at the body of wall place of feed pipe outside in the export-oriented body of wall of body of wall; It is wide that the described fire-resistant standard brick of clayey near feed end is arranged to top narrow lower portion.
Described body of wall comprises and is arranged on outer field insulation common brick, is arranged on the low-cement refractory pouring material of internal layer, between outer and internal layer, arrange fibre fire-proof cotton blanket.
Described furnace roof is included in the outer expanded vermiculite insulation material arranged, at the low-cement refractory pouring material that internal layer is arranged, and the fibre fire-proof cotton blanket arranged between skin and internal layer.
Described hot-blast outlet is arranged on the middle and upper part of body of wall, and the middle and lower part of the body of wall in hot-blast outlet one end adopts expanded vermiculite insulation material; Described lighting-up tuyere is two square holes kept at a certain distance away, and lighting-up tuyere is arranged on the middle and lower part near air distribution blower fan side body of wall, and between the feed end body of wall and firebreak of body of heater; Described to join cold wind import be two square holes, is separately positioned near the body of wall middle and lower part of air distribution blower fan side and the middle and lower part of the body of wall corresponding with the body of wall of air distribution blower fan side, and is arranged between firebreak and hot-blast outlet.
Described firebreak is the fire-resistant standard brick of clayey, and the top narrow lower portion of firebreak is wide, and the horizontal level of the top of firebreak is higher than the horizontal level bottom of hot-blast outlet.
Beneficial effect
Air distribution blower fan, conveying worm, feeding fan, fuel feed bin, bellows and the body of heater etc. of the present invention by arranging, body of heater exterior wall comprises the skeleton that steelframe does, make fuel can be applicable to the wood chip after pulverizing, reduce fuel cost, relevant device investment is little, and the loss of the energy can be avoided, reduce production and become a useful person.
Accompanying drawing explanation
Fig. 1 is plan structure schematic diagram of the present invention;
Fig. 2 is main TV structure schematic diagram of the present invention;
Fig. 3 is left TV structure signal of the present invention.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, Figure 2 and Figure 3, a kind of wood chip combustion furnace being applicable to dryer, comprises air distribution blower fan 1, conveying worm 2, feeding fan 3, fuel feed bin 4, bellows 11, and body of heater 16; Described air distribution blower fan 1 is arranged on the side outside body of heater 16, and air distribution blower fan 1 is connected with the below of body of heater 16 by pipeline 17, the bellows 11 arranging blast cap 13 between pipeline 17 with body of heater 16 and be connected with blast cap 13; Described fuel feed bin 4 is arranged on the feed end of body of heater 16, and conveying worm 2 is fixedly connected with fuel feed bin 4 and is arranged on outside body of heater 16, and described feeding fan 3 is connected with conveying worm 2, and feeding fan 3 is connected with body of heater 16 by feed pipe 14; Described body of heater 16 comprises the ground 10 being arranged on below, be equipped with the body of wall 5 on ground 10, coupling is arranged on the furnace roof 6 on body of wall 5 top, be equipped with the hot-blast outlet 15 in body of wall 5 one end, be arranged on the lighting-up tuyere 9 of body of wall 5 side, be arranged on body of wall 5 and furnace roof 6 and be enclosed to form firebreak 7 in space; Be arranged on and body of wall 5 joins cold wind import 8.Described blast cap 13 is multiplely disposed in an evenly spaced relation in below body of heater 16, and bellows 11 coordinate the below being arranged on blast cap 13, and bellows 11 are connected with air distribution blower fan 1 by pipeline 17; Blast cap 13 is equipped with between the body of wall 5 and firebreak 7 of feed end, and the top of blast cap 13 is provided with the grains of sand 12.Described fuel feed bin 4 is arranged on the feed end place near body of heater 16, feeding fan 3 and conveying worm 2 are connected, feed pipe 14 is in height arranged on the middle and lower part of the body of wall 5 of body of heater 16 feed end, sets gradually expanded vermiculite insulation material and the fire-resistant standard brick of clayey at body of wall 5 place of feed pipe 14 outside in the export-oriented body of wall of body of wall 55; It is wide that the described fire-resistant standard brick of clayey near feed end is arranged to top narrow lower portion.Described body of wall 5 comprises and is arranged on outer field insulation common brick 51, is arranged on the low-cement refractory pouring material 53 of internal layer, between outer and internal layer, arrange fibre fire-proof cotton blanket 52.Described furnace roof 6 is included in the outer expanded vermiculite insulation material 61 arranged, at the low-cement refractory pouring material 63 that internal layer is arranged, and the fibre fire-proof cotton blanket 62 arranged between skin and internal layer.Described hot-blast outlet 15 is arranged on the middle and upper part of body of wall 5, and the middle and lower part of the body of wall 5 in hot-blast outlet 15 one end adopts expanded vermiculite insulation material; Described lighting-up tuyere 9 is two square holes kept at a certain distance away, and lighting-up tuyere 9 is arranged on the middle and lower part near air distribution blower fan 1 side body of wall 5, and between the feed end body of wall 5 and firebreak 7 of body of heater 16; Described to join cold wind import 8 are two square holes, are separately positioned near body of wall 5 middle and lower part of air distribution blower fan 1 side and the middle and lower part of the body of wall 5 corresponding with the body of wall 5 of air distribution blower fan 1 side, and are arranged between firebreak 7 and hot-blast outlet 15.Described firebreak 7 is the fire-resistant standard bricks of clayey, and the top narrow lower portion of firebreak 7 is wide, and the horizontal level of the top of firebreak 7 is higher than the horizontal level bottom of hot-blast outlet 15.
Air distribution blower fan 1 is fitted through the side that support and bolt are fixedly mounted on body of heater 16, the pipeline 17 that air distribution blower fan 1 is done by ventilation duct is connected with body of heater 16, inner for air being sent to body of heater 16, in body of heater 16 bottom, multiple blast cap 13 is set, multiple blast cap 13 interval is uniformly distributed, below blast cap 13, arrange the bellows 11 of cuboid, around blast cap 13, fill the grains of sand 12, air is inner by entering into body of heater 16 by the gap between the grains of sand 12 again after blast cap 13.The conveying worm 2 i.e. feed end of screw conveyor is arranged in fuel feed bin 4, the other end is arranged on the feed end place near body of heater 16, feeding fan 3 and conveying worm 2 with the use of, it is inner that wood chip for being carried by conveying worm 2 is transported to body of heater 16 again by feed pipe 14, body of wall 5 near feed pipe 14 part uses expanded vermiculite insulation material, and the insulated wall of the fire-resistant standard brick material making of clayey is set using at expanded vermiculite insulation material place in body of heater 16, insulated wall top narrow lower portion is wide, more be conducive to avoiding feed pipe 14 by high temperature failure, and heat not loss can be ensured.The body of wall 5 of body of heater 16 is arranged on ground 10, and ground 10 adopts the material of expanded vermiculite insulation material, and firebreak in body of heater 16 7, in up-narrow and down-wide structure, uses the fire-resistant standard brick of clayey to make, and better can stop the dust in hot blast after fuel combustion.Joining cold wind import 8 is temperature for regulating hot blast in body of heater 16, arranges baffle plate joining outside cold wind import 8, baffle plate can be opened when the temperature of hot blast is too high, and entering part cold air is to be used for reducing the temperature of hot blast.The furnace roof 6 of body of heater 16 is arranged in dome-shaped.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (7)

1. be applicable to a wood chip combustion furnace for dryer, it is characterized in that: comprise air distribution blower fan, conveying worm, feeding fan, fuel feed bin, bellows, and body of heater; Described air distribution blower fan is arranged on the side outside body of heater, and air distribution blower fan is connected with the below of body of heater by pipeline, the bellows arranging blast cap between pipeline with body of heater and be connected with blast cap; Described fuel feed bin is arranged on the feed end of body of heater, and conveying worm is fixedly connected with fuel feed bin and is arranged on outside body of heater, and described feeding fan and conveying worm are connected, and feeding fan is connected with body of heater by feed pipe; Described body of heater comprises the ground being arranged on below, be equipped with the body of wall on ground, coupling is arranged on the furnace roof on body of wall top, is equipped with the hot-blast outlet in body of wall one end, be arranged on the lighting-up tuyere of body of wall side, be arranged on body of wall and furnace roof and be enclosed to form firebreak in space; Be arranged on and body of wall joins cold wind import.
2. wood chip combustion furnace according to claim 1, is characterized in that: described blast cap is multiplely disposed in an evenly spaced relation in below body of heater, and bellows coordinate the below being arranged on blast cap, and bellows are connected with air distribution blower fan by pipeline; Blast cap is equipped with between the body of wall and firebreak of feed end, and the top of blast cap is provided with the grains of sand.
3. wood chip combustion furnace according to claim 1, it is characterized in that: described fuel feed bin is arranged on the feed end place near body of heater, charging blower fan and conveying worm are connected, feed pipe is in height arranged on the middle and lower part of the body of wall of body of heater feed end, sets gradually expanded vermiculite insulation material and the fire-resistant standard brick of clayey at the body of wall place of feed pipe outside in the export-oriented body of wall of body of wall; It is wide that the described fire-resistant standard brick of clayey near feed end is arranged to top narrow lower portion.
4. wood chip combustion furnace according to claim 1, is characterized in that: described body of wall comprises and is arranged on outer field insulation common brick, is arranged on the low-cement refractory pouring material of internal layer, between outer and internal layer, arrange fibre fire-proof cotton blanket.
5. wood chip combustion furnace according to claim 1, is characterized in that: described furnace roof is included in the outer expanded vermiculite insulation material arranged, at the low-cement refractory pouring material that internal layer is arranged, and the fibre fire-proof cotton blanket arranged between skin and internal layer.
6. wood chip combustion furnace according to claim 1, is characterized in that: described hot-blast outlet is arranged on the middle and upper part of body of wall, and the middle and lower part of the body of wall in hot-blast outlet one end adopts expanded vermiculite insulation material; Described lighting-up tuyere is two square holes kept at a certain distance away, and lighting-up tuyere is arranged on the middle and lower part near air distribution blower fan side body of wall, and between the feed end body of wall and firebreak of body of heater; Described to join cold wind import be two square holes, is separately positioned near the body of wall middle and lower part of air distribution blower fan side and the middle and lower part of the body of wall corresponding with the body of wall of air distribution blower fan side, and is arranged between firebreak and hot-blast outlet.
7. wood chip combustion furnace according to claim 1, is characterized in that: described firebreak is the fire-resistant standard brick of clayey, and the top narrow lower portion of firebreak is wide, and the horizontal level of the top of firebreak is higher than the horizontal level bottom of hot-blast outlet.
CN201410496210.4A 2014-09-25 2014-09-25 Wood chip combustion furnace suitable for dryer Pending CN104329661A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410496210.4A CN104329661A (en) 2014-09-25 2014-09-25 Wood chip combustion furnace suitable for dryer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410496210.4A CN104329661A (en) 2014-09-25 2014-09-25 Wood chip combustion furnace suitable for dryer

Publications (1)

Publication Number Publication Date
CN104329661A true CN104329661A (en) 2015-02-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105157043A (en) * 2015-10-09 2015-12-16 杨刚 Special boiling furnace for strong-oxygen combustion sludge

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86203652U (en) * 1986-06-12 1988-03-02 中船总公司第七○三研究所 Fluidizing reactor burning saw powder
CN101196296A (en) * 2007-12-21 2008-06-11 河南省科学院能源研究所有限公司 Method and apparatus for biomass ebullition, gasification and combustion
CN201539855U (en) * 2009-09-30 2010-08-04 张建超 Biomass gasification combustion boiler
CN202048567U (en) * 2011-05-16 2011-11-23 何飞昆 Biomass combustor
CN202328195U (en) * 2011-10-28 2012-07-11 刘益才 Biomass burner
CN202484984U (en) * 2011-12-27 2012-10-10 嘉兴康达友美新能源科技有限公司 Circulating fluidized bed biomass boiler for compressing air and sprinkling fuels
CN103017152A (en) * 2012-12-25 2013-04-03 常熟市辛庄镇前进五金厂 Sawdust combustion apparatus
CN103831285A (en) * 2014-03-12 2014-06-04 郑州经纬科技实业有限公司 Aluminum electrolyzed waste carbon residue innocent treatment system and method thereof
CN204127944U (en) * 2014-09-25 2015-01-28 郑州鼎力新能源技术有限公司 A kind of wood chip combustion furnace being applicable to dryer

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86203652U (en) * 1986-06-12 1988-03-02 中船总公司第七○三研究所 Fluidizing reactor burning saw powder
CN101196296A (en) * 2007-12-21 2008-06-11 河南省科学院能源研究所有限公司 Method and apparatus for biomass ebullition, gasification and combustion
CN201539855U (en) * 2009-09-30 2010-08-04 张建超 Biomass gasification combustion boiler
CN202048567U (en) * 2011-05-16 2011-11-23 何飞昆 Biomass combustor
CN202328195U (en) * 2011-10-28 2012-07-11 刘益才 Biomass burner
CN202484984U (en) * 2011-12-27 2012-10-10 嘉兴康达友美新能源科技有限公司 Circulating fluidized bed biomass boiler for compressing air and sprinkling fuels
CN103017152A (en) * 2012-12-25 2013-04-03 常熟市辛庄镇前进五金厂 Sawdust combustion apparatus
CN103831285A (en) * 2014-03-12 2014-06-04 郑州经纬科技实业有限公司 Aluminum electrolyzed waste carbon residue innocent treatment system and method thereof
CN204127944U (en) * 2014-09-25 2015-01-28 郑州鼎力新能源技术有限公司 A kind of wood chip combustion furnace being applicable to dryer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105157043A (en) * 2015-10-09 2015-12-16 杨刚 Special boiling furnace for strong-oxygen combustion sludge

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Application publication date: 20150204

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