CN204460689U - A kind of biomass thermal wind furnace - Google Patents

A kind of biomass thermal wind furnace Download PDF

Info

Publication number
CN204460689U
CN204460689U CN201420776855.9U CN201420776855U CN204460689U CN 204460689 U CN204460689 U CN 204460689U CN 201420776855 U CN201420776855 U CN 201420776855U CN 204460689 U CN204460689 U CN 204460689U
Authority
CN
China
Prior art keywords
air
combustion
supply duct
combustion chamber
air supply
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.)
Expired - Fee Related
Application number
CN201420776855.9U
Other languages
Chinese (zh)
Inventor
王保荣
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.)
Luanping County Heng Shenglvneng Science And Technology Ltd
Original Assignee
Luanping County Heng Shenglvneng Science And Technology 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 Luanping County Heng Shenglvneng Science And Technology Ltd filed Critical Luanping County Heng Shenglvneng Science And Technology Ltd
Priority to CN201420776855.9U priority Critical patent/CN204460689U/en
Application granted granted Critical
Publication of CN204460689U publication Critical patent/CN204460689U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Solid-Fuel Combustion (AREA)

Abstract

The utility model discloses a kind of biomass thermal wind furnace, comprise and be positioned at the combustion chamber below Bunker, the Heat Room with combustion chamber; Fire grate is provided with below described combustion chamber; Be provided with flue and the air duct of several longitudinal arrangements in described Heat Room, flue and air duct corrosion resistant plate interval are arranged; Described hot-blast stove inside arranges blast main, and one end of blast main is connected with the air blast being positioned at furnace shell outside, and the other end branches into air supply duct A, air supply duct B, air supply duct C, air supply duct D tetra-blowpipe roads.The conveying of the utility model product with compact structure, rationally distributed, hot blast is stable, and biomass fuel can Thorough combustion, and heating load is large, heat production efficiency is high, and smoke discharge amount is little, clean environment firendly more.

Description

A kind of biomass thermal wind furnace
Technical field
The utility model relates to a kind of hot-blast stove, particularly relates to a kind of biomass thermal wind furnace using living beings as fuel.
Background technology
Hot-blast stove is modal energy conversion devices in people's lives and industry, the chemical energy of conventional energy resource or electric energy conversion are heat energy by it, energy is supplied to corresponding equipment with the form of hot blast, be usually used in drying machine, dryer, forming machine and heating etc., be also widely used at agricultural product Workplaces such as livestock and poultry cultivation workshop, green house of vegetables.The fuel normally coal of hot-blast stove; But along with the rising of increase and the coal price day by day of environmental protection pressure, living beings replace the fuel that coal becomes hot-blast stove just gradually.Mostly the biomass fuel of China is with stalk biomass such as maize straw, straw, cotton stalks for raw material, forms through granulator or stalk block making machine compacting.
Traditional biomass thermal wind furnace mainly comprises Bunker, combustion chamber and Heat Room, be stored at the biomass fuel of Bunker in combustion chamber combustion, the air that the heat smoke that burning produces sends into Heat Room with drum carries out heat exchange, and cold flue gas is discharged by exhaust opening, and hot-air supplies to relevant device.But, because the particle of biomass fuel is little, pile up very tight in Bunker, add that biomass fuel generally has that moisture content is high, content of ashes high, therefore in combustion, oxygen fully can not merge with biomass fuel, thus occurs the shortcomings such as burning is insufficient, the thermal efficiency is low, easy slagging scorification, flue dust are large, seriously constrains the popularization of biomass thermal wind furnace.
Utility model content
The utility model technical issues that need to address are to provide the biomass thermal wind furnace that a kind of sufficient combustion is thorough, heat production efficiency is high.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of biomass thermal wind furnace, comprises and is positioned at the combustion chamber below Bunker, the Heat Room with combustion chamber; Fire grate is provided with below described combustion chamber; Be provided with flue and the air duct of several longitudinal arrangements in described Heat Room, flue and air duct corrosion resistant plate interval are arranged; Flue entrance is connected with the exhanst gas outlet of combustion chamber, and the outlet of flue is connected with exhaust opening; Air duct entrance is connected with air supply duct D, and the outlet of air duct is to hot-blast outlet;
Described hot-blast stove inside arranges blast main, and one end of blast main is connected with the air blast being positioned at furnace shell outside, and the other end branches into air supply duct A, air supply duct B, air supply duct C, air supply duct D tetra-blowpipe roads; The end of air supply duct A is the combustion-supporting air outlet A being positioned at Bunker top, the end of air supply duct B is the combustion-supporting air outlet B be positioned at below fire grate, the end of air supply duct C is the combustion-supporting air outlet C being positioned at top, combustion chamber, combustion-supporting air outlet C is arranged on top, combustion chamber and leads on the channel side wall of Heat Room, and the end of air supply duct D is the air conditioner air outlet being communicated with Heat Room air duct.
Further improvement of the utility model is: top, described combustion chamber is respectively arranged with nine combustion-supporting air outlet C in the inner left wall and right side inwall of the passage of Heat Room, is divided into three rows, often arranges the combustion-supporting air outlet C of even cloth three; Combustion-supporting air outlet C in described inner left wall and the combustion-supporting air outlet C on the inwall of right side is oppositely arranged.
Further improvement of the utility model is: be also provided with expansion chamber between described combustion chamber and Heat Room, and the furnace shell front end face be positioned at below expansion chamber is provided with dust removal port.
Further improvement of the utility model is: the furnace shell front end face be positioned at above fire grate is provided with draws cinder notch, and the furnace shell front end face be positioned at below fire grate is provided with gray-drawing port.
Further improvement of the utility model is: described Bunker top is provided with the gallery ports coordinated with Bunker upper port; The body of heater outer wrap of described biomass thermal wind furnace has heat-insulation layer.
Owing to have employed technique scheme, the technological progress that the utility model obtains is:
The utility model provides a kind of biomass thermal wind furnace.The conveying of this hot-blast stove compact conformation, rationally distributed, hot blast is stable, and biomass fuel can Thorough combustion, and heating load is large, heat production efficiency is high, and smoke discharge amount is little, clean environment firendly more.
The supply air system of hot-blast stove comprises blast main and four blowpipe roads, and air is admitted to diverse location by different blowpipe roads.The air-supply of combustion-supporting air outlet A and combustion-supporting air outlet B is used for providing oxygen for biomass fuel, makes biomass fuel in a combustion chamber can Thorough combustion, keeps stable burning velocity to provide heat smoke with stable; The ashes output of fuel after Thorough combustion also greatly reduces and then decreases the flue dust carried secretly in heat smoke simultaneously.The imflammable gas Thorough combustion that the air-supply of combustion-supporting air outlet C can make combustion process produce, improve the utilization rate of biomass fuel, heating load significantly improves, and can effectively prevent toxic gas from leaking, and avoids environmental pollution; The inner left wall that top, the utility model combustion chamber leads to the passage of Heat Room is respectively arranged with nine relative combustion-supporting air outlet C with right side inwall, adopt the arrangement form often arranged three, establish three rows altogether, air-flow is comparatively intensive, can heat smoke be pushed back to combustion chamber, and can sufficient oxygen be provided, the imflammable gas in flue gas is fully burned.The air-supply of air conditioner air outlet is delivered to Heat Room, is carried out heat exchange with heat smoke, and the hot-air produced is for being the intensification of heating place.Above-mentioned four air outlets individually control, can adjust the air output of each air outlet according to the moisture of biomass fuel used, flammability etc. in use, by the Thorough combustion and the heat supply that regulate the oxygen content of combustion chamber to ensure biomass fuel, by the temperature regulating the air input of Heat Room to ensure hot-air after heat exchange, practical.
Be provided with the Bunker for depositing biomass fuel above combustion chamber of the present utility model, Bunker can be opened by gallery ports or close.Before hot-blast stove uses, Bunker filled up and close gallery ports; In combustion, along with the fuel combustion on fire grate, the biomass fuel in Bunker can fill into combustion chamber along the conical discharge port of bottom, ensure that the stable uniform of hot-blast stove quantity of heat production; Until the fast after-flame of fuel in Bunker, just need again to fill up biomass fuel to Bunker.The process dosing fuel is interval operation, and the working strength of operating personnel is less.
The heat smoke that in the utility model, combustion chamber produces also will through expansion chamber before entering Heat Room, most of flue dust in heat smoke can be separated by expansion chamber, thus reduce the flue dust entered in Heat Room, in order to avoid flue dust is attached on Heat Room inwall affect heat exchange efficiency, reduce the fume amount that discharged gas fume comprises, the feature of environmental protection is high simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that the section of combustion-supporting air outlet C arranges schematic diagram.
Wherein, 1, Bunker, 2, combustion chamber, 3, Heat Room, 31, flue, 32, air duct, 4, air blast, 5, gallery ports, 6, fire grate, 7, exhaust opening, 8, hot-blast outlet, 9, dust removal port, 10, air supply duct A, 11, air supply duct B, 12, air supply duct C, 13, air supply duct D, 14, combustion-supporting air outlet C, 15, heat-insulation layer, 16, blast main, 17, expansion chamber, 18, furnace shell.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further details:
A kind of biomass thermal wind furnace, as shown in Figure 1, comprises furnace shell 18, is provided with Bunker 1, combustion chamber 2, Heat Room 3 in furnace shell 18 inner chamber.
Described Bunker 1 is positioned at above combustion chamber 2, for splendid attire biomass fuel.Bottom Bunker 1, conical discharge port is set, is conducive to the smooth and easy flowing in combustion chamber 2 of biomass fuel.Being equipped with at the upper port place at Bunker 1 top can the gallery ports 5 of folding; Namely close gallery ports 5 after being filled it up with by Bunker 1, when fuel fast after-flame, again open gallery ports 5 add fuel.Above Bunker 1, offer combustion-supporting air outlet A, the air-supply of combustion-supporting air outlet A is from the air blast 4 outside furnace shell 18.Because biomass fuel pellet is little, shape is regular, the fuel therefore in Bunker 1 is piled up quite tight, not easily ignites; The air-supply of combustion-supporting air outlet A can provide oxygen from top to bottom for fuel chambers 2, help to enter the fuel combustion of combustion chamber 2, and, when the fuel in Bunker 1 block at discharging opening, cannot flowing in combustion chamber 2 time, also can reach the effect of the fuel that blows off by controlling the air force of combustion-supporting air outlet A.
Combustion chamber 2 is arranged on the below of Bunker 1, and is connected with Heat Room 3.The below of combustion chamber 2 is provided with fire grate 6, and biomass fuel burns on fire grate 6, and the ashes that burning produces fall into bottom combustion chamber 2.The front end face being positioned at the furnace shell 18 above fire grate 6 is provided with and draws cinder notch, for removing the slag that biomass fuel combustion produces; The front end face being positioned at the furnace shell 18 below fire grate 6 is provided with gray-drawing port, for removing ashes.Below fire grate 6, be provided with combustion-supporting air outlet B, combustion-supporting air outlet B is connected with blast main 16 by air supply duct B11.Air-supply from combustion-supporting air outlet B can provide sufficient oxygen, improve burning velocity for fuel combustion.
Top, combustion chamber 2 is respectively arranged with 9 combustion-supporting air outlet C14 in the inner left wall and right side inwall of the passage of Heat Room 3, and these 9 combustion-supporting air outlet C14 divide three arrangements to put, and often arrange even cloth and arrange 3 combustion-supporting air outlet C14.Nine combustion-supporting air outlet C14 on nine in inner left wall combustion-supporting air outlet C14 and right side inwall are oppositely arranged.The air-supply of combustion-supporting air outlet C14 is from air blast 4, carry through blast main 16 and air supply duct C12.When biomass fuel combustion is insufficient, the flammable toxic gases such as carbon monoxide can be produced; The imflammable gas that the air-supply of combustion-supporting air outlet C14 fully can mix with flue gas, provide sufficient oxygen to make to comprise in flue gas thoroughly burns, make the heating load of the thorough combustion heat release of biomass fuel, raising biomass thermal wind furnace on the one hand, the pollution that the outer row that effectively prevent toxic gas on the other hand causes environment; In addition, because the arrangement of air outlet C14 combustion-supporting in the utility model is comparatively tight, effect heat smoke being pushed back combustion chamber is served to a certain extent, for the Thorough combustion of imflammable gas creates condition.
Because biomass fuel combustion can produce a large amount of heat smoke, and combustion-supporting air outlet C14 continues air-supply, makes combustion chamber 2 be in hyperbar state; To be positioned on rear side of combustion chamber 2 below and expansion chamber 17 air pressure be communicated with combustion chamber 2 is lower, therefore the heat smoke of combustion chamber 2 flows to expansion chamber 17 under gas pressure.Expansion chamber 17 is cavitys that a cross section is larger, and the flue dust of heat smoke in expansion chamber 17 in flow velocity reduction, flue gas is deposited to the bottom of expansion chamber 17 gradually.Position furnace shell 18 corresponding to expansion chamber 17 is provided with dust removal port 9, when fume amount accumulation is more in expansion chamber 17, can open dust removal port, concentrate cleaning flue dust.
Heat smoke after sedimentation dedusting is admitted to Heat Room 3 and carries out heat exchange.Heat Room 3 is positioned at above the rear side of combustion chamber 2, expansion chamber 17.Heat Room 3 inside is provided with flue and the air duct of several longitudinal arrangements, and flue and air duct corrosion resistant plate interval are arranged.Heat smoke from combustion chamber 2 enters the flue 31 of Heat Room 3, and the air from air blast 4 sends into the air duct 32 of Heat Room 3 via air supply duct D13, and heat smoke and air carry out heat exchange.By change thermogenetic hot-air from the hot-blast outlet 8 hot-air stove shell 18 front end face discharge and be delivered to need heating place in use; The cold flue gas completing heat exchange is discharged to outside stove via exhaust opening 7.Outside the body of heater of biomass thermal wind furnace and between case inside, be provided with heat-insulation layer 15.The heat diffusion that heat-insulation layer 15 can effectively avoid hot-blast stove to produce, ensure that the heat transfer effect of Heat Room, improves the hot air temperature that hot-blast outlet 8 is discharged.
Described drawing in cinder notch, gray-drawing port and dust removal port is provided with hermatic door.After hermatic door is closed, except air blast air-supply, cold flue gas smoke evacuation, hot-air air draft, whole hot-blast stove is in air-tight state.
When biomass thermal wind furnace runs, be stored in by biomass fuel in Bunker, enter combustion chamber continuously by the conical discharge port of bottom, combustion-supporting air outlet A and combustion-supporting air outlet B continues air-supply simultaneously, and biomass fuel is burnt on grate.The heat smoke that burning produces mixes with the air-supply of combustion-supporting air outlet C, the further combustion heat release of the imflammable gas in heat smoke.Then heat smoke enters expansion chamber sedimentation dedusting, and the heat smoke after dedusting is admitted to Heat Room, carries out heat exchange with the air from air conditioner air outlet; The cold flue gas completing heat exchange is discharged by exhaust opening, and hot-air drains into by hot-blast outlet place of need heating.
During work, cold air in environment is constantly blown in biomass thermal wind furnace by air blast, four strands are divided into: 1. carry by air supply duct A, deliver to above Bunker by combustion-supporting air outlet A by blast main's cold air entered in biomass thermal wind furnace, for the burning of biomass fuel provides oxygen, Bunker fuel is avoided to pile up too closely knit, nonflammable; 2. carry by air supply duct B, deliver to below fire grate by combustion-supporting air outlet B, for providing sufficient oxygen for the fuel on fire grate, accelerating burning velocity; 3. carried by air supply duct C, delivered to top, combustion chamber by combustion-supporting air outlet C towards on the passage of Heat Room, for mixing, make the imflammable gas Thorough combustion comprised in heat smoke with the heat smoke that biomass fuel combustion produces; 4. carried, sent into by air conditioner air outlet the air duct of Heat Room by air supply duct D, carry out heat exchange with the heat smoke in Heat Room flue, add hot-air and drain into by hot-blast outlet place of need heating.
In the utility model, air supply duct A, air supply duct B, air supply duct C and air supply duct D are independent control.According to the inflammability of different batches biomass fuel, oxygen content in the air output size of each air supply duct, adjustment combustion chamber can be changed, to ensure the Thorough combustion of biomass fuel and imflammable gas.

Claims (5)

1. a biomass thermal wind furnace, comprises the combustion chamber (2) being positioned at Bunker (1) below, the Heat Room (3) be communicated with combustion chamber (2), it is characterized in that: described combustion chamber (2) below is provided with fire grate (6); Be provided with flue (31) and the air duct (32) of several longitudinal arrangements in described Heat Room (3), flue (31) and air duct (32) corrosion resistant plate interval are arranged; Flue (31) entrance is connected with the exhanst gas outlet of combustion chamber (2), and the outlet of flue (31) is connected with exhaust opening (7); Air duct (32) entrance and air supply duct D(13) be connected, the outlet of air duct (32) is to hot-blast outlet (8);
Described hot-blast stove inside arranges blast main (16), one end of blast main (16) air blast (4) outside with being positioned at furnace shell (18) is connected, and the other end branches into air supply duct A(10), air supply duct B(11), air supply duct C(12), air supply duct D(13) four blowpipe roads; Air supply duct A(10) end be the combustion-supporting air outlet A being positioned at Bunker (1) top, air supply duct B(11) end be positioned at fire grate (6) below combustion-supporting air outlet B, air supply duct C(12) end be the combustion-supporting air outlet C(14 being positioned at combustion chamber (2) top), combustion-supporting air outlet C(14) be arranged on combustion chamber (2) top lead to Heat Room (3) channel side wall on, air supply duct D(13) end be communicated with air duct (32) air conditioner air outlet.
2. a kind of biomass thermal wind furnace according to claim 1, it is characterized in that: described combustion chamber (2) top is respectively arranged with nine combustion-supporting air outlet C(14 in the inner left wall and right side inwall of the passage of Heat Room (3)), be divided into three rows, often arrange the combustion-supporting air outlet C(14 of even cloth three); Combustion-supporting air outlet C(14 in described inner left wall) with right side inwall on combustion-supporting air outlet C(14) be oppositely arranged.
3. a kind of biomass thermal wind furnace according to claim 2, it is characterized in that: be also provided with expansion chamber (17) between described combustion chamber (2) and Heat Room (3), furnace shell (18) front end face being positioned at expansion chamber (17) below is provided with dust removal port (9).
4. a kind of biomass thermal wind furnace according to claim 3, is characterized in that: furnace shell (18) front end face being positioned at fire grate (6) top is provided with draws cinder notch, and furnace shell (18) front end face being positioned at fire grate (6) below is provided with gray-drawing port.
5. a kind of biomass thermal wind furnace according to any one of claim 1 ~ 4, is characterized in that: described Bunker (1) top is provided with the gallery ports (5) coordinated with Bunker (1) upper port; The body of heater outer wrap of described biomass thermal wind furnace has heat-insulation layer (15).
CN201420776855.9U 2014-12-11 2014-12-11 A kind of biomass thermal wind furnace Expired - Fee Related CN204460689U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420776855.9U CN204460689U (en) 2014-12-11 2014-12-11 A kind of biomass thermal wind furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420776855.9U CN204460689U (en) 2014-12-11 2014-12-11 A kind of biomass thermal wind furnace

Publications (1)

Publication Number Publication Date
CN204460689U true CN204460689U (en) 2015-07-08

Family

ID=53667562

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420776855.9U Expired - Fee Related CN204460689U (en) 2014-12-11 2014-12-11 A kind of biomass thermal wind furnace

Country Status (1)

Country Link
CN (1) CN204460689U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105115155A (en) * 2015-08-13 2015-12-02 浙江明佳环保科技有限公司 Biofuel hot-blast stove

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105115155A (en) * 2015-08-13 2015-12-02 浙江明佳环保科技有限公司 Biofuel hot-blast stove

Similar Documents

Publication Publication Date Title
CN204006647U (en) Semi-coal gas downward-burning type tubulation multistage heat exchange smoke-dust-free hot-air furnace
CN201207910Y (en) Biomass energy direct-combustion gasification tobacco leaf baking device
CN206803479U (en) Charcoal base or the dual-purpose hot-water boiler of biomass granule fuel
CN104566952B (en) A kind of domestic small biomass thermal wind furnace
CN204460694U (en) A kind of biomass thermal wind furnace
CN204460689U (en) A kind of biomass thermal wind furnace
CN203758007U (en) Chain grate type hot-air stove
CN102491654B (en) Hot-air circulation lime kiln
CN204460688U (en) A kind of domestic small biomass thermal wind furnace
CN204460693U (en) A kind of small-sized biomass hot-blast stove
CN110107888A (en) A kind of uniform distribution biomass fuel combustion equipment and its combustion method
CN204005951U (en) A kind of cyclone type boiler that forms dual eddy current
CN206257805U (en) A kind of high temperature hot-blast furnace for tea making de-enzyme
CN201909436U (en) Small-sized energy-saving and environmentally-friendly hot air furnace
CN205448287U (en) Many fuel heat pipe indirect heating hot -blast furnace
CN205619555U (en) Coal -fired heating equipment of clean briquette coal production line industrial furnace
CN211794281U (en) Double-furnace double-combustion tobacco curing equipment
CN106907850A (en) A kind of semi-coke Industrial Boiler for efficiently carrying denitration
CN209416084U (en) Chemical catalyst calcining and decomposition gas burn all-in-one oven
CN203385192U (en) Horizontal type agricultural special hot air environmentally-friendly boiler
CN201359374Y (en) Slit-type curing barn hot-blast stove
CN108194917B (en) Bulk coal bed top ignition flue-curing hot blast stove
CN201473320U (en) Energy-saving heat-accumulation environment-protection retort capable of continuously running
CN205919310U (en) Boiler wind channel
CN201488271U (en) Straight tube shaped direct coal firing air heating furnace

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150708

Termination date: 20161211

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