CN109404895A - A kind of biomass fluid bed boiler plant of top feed - Google Patents

A kind of biomass fluid bed boiler plant of top feed Download PDF

Info

Publication number
CN109404895A
CN109404895A CN201811528952.5A CN201811528952A CN109404895A CN 109404895 A CN109404895 A CN 109404895A CN 201811528952 A CN201811528952 A CN 201811528952A CN 109404895 A CN109404895 A CN 109404895A
Authority
CN
China
Prior art keywords
boiler
furnace
fluid bed
furnace roof
feed pipe
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
CN201811528952.5A
Other languages
Chinese (zh)
Inventor
翁凡
翁一凡
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.)
Wuhan Zheyu Technology Co Ltd
Original Assignee
Wuhan Zheyu 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 Wuhan Zheyu Technology Co Ltd filed Critical Wuhan Zheyu Technology Co Ltd
Priority to CN201811528952.5A priority Critical patent/CN109404895A/en
Publication of CN109404895A publication Critical patent/CN109404895A/en
Pending legal-status Critical Current

Links

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
    • F23C10/18Details; Accessories
    • F23C10/22Fuel feeders specially adapted for fluidised bed combustion apparatus
    • 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
    • F23C10/18Details; Accessories
    • F23C10/28Control devices specially adapted for fluidised bed, combustion apparatus

Abstract

The present invention relates to a kind of biomass fluid bed boilers of top feed, belong to field of new energy technologies.The present invention uses on boiler furnace top, top feed.Part of smoke is drawn after blower accelerates from smoke gas jet device penetrating boiler furnace from exhanst gas outlet.The arrangement separation baffle plate at boiler furnace outlet, there are also overfiren air port, tertiary air orifices in Boiler Furnace bore wall.By the innovative design to fluidized-bed combustion boiler, yellow stalk does not need to be pre-processed, and can enter directly into burning, high combustion efficiency in boiler;And boiler feed systems are simple and reliable, and occupied area is small, and feed system periphery is not in flying dust phenomenon, and boiler can efficient operation steady in a long-term.

Description

A kind of biomass fluid bed boiler plant of top feed
Technical field
The present invention relates to a kind of biomass fluid bed boilers of top feed, belong to field of new energy technologies.
Background technique
As society is to the growing of energy demand, the fossil fuel as main energy sources source is being reduced rapidly.Cause This, finds a kind of focus that social common concern can be had become with regenerated alternative energy source, the wherein less life of environmental pollution Biomass fuel power generation is widely used.The source of biomass fuel also just guarantees normal operation at each biomass electric power plant Key, available biomass fuel mainly have various agricultural wastes such as straw, straw, rice husk, cornstalk, also have forestry useless Gurry such as branch bavin, branch, waste and old wood and leftover pieces etc..
Currently, the fuel that generating power with biomass combustion boiler uses is mostly to work as wooden class waste, rice husk of real estate etc., straw Yellow stalk with straw class is usually to blend to enter in boiler in other biomass fuels, and mixing proportion is not high, Neng Gouchang Phase all use yellow stalk as the power generation fluidized-bed combustion boiler country of fuel at present almost without.The Huang stalk, refers mainly to one This straw of year sward, such as: straw, straw, cornstalk, sorghum stalk, Chinese silvergrass etc. extend also to and above-mentioned biomass Fuel has the biomass fuel of similar physical appearance and feature.A variety of Huang stalks are the domestic lifes that can enjoy additional fuel subsidy Biomass fuel, and annual output is stablized, and quantity is big, and country encourages a large amount of purchases and utilizes.
Generation current factory fluidized-bed combustion boiler mainly has following both sides problem using yellow stalk:
First, existing biomass fluid bed boiler all needs to pre-process yellow stalk when using yellow stalk fuel: broken Or broken+briquetting.Need to consume very big electric energy, especially briquetting, processing during yellow stalk carries out broken or briquetting Huang stalk per ton needs 50 ~ 100 yuan of the electricity charge;And need to occupy biggish place, live running environment when broken or briquetting Badly, dusty, it all makes a strong impact to site operation personnel and ambient enviroment.
Second, directly broken yellow stalk individually enters boiler difficulty, and broken yellow stalk bulk density is too small, Guarantee that biomass boiler is run steadily in the long term, yellow stalk broken at present can only be blended into other and be easier to the combustion into boiler Enter boiler in material, and mixing proportion is not high, the yellow stalk of boiler processing is limited;Although treated that yellow stalk can for broken+briquetting To individually enter in boiler, but for general fluidized-bed combustion boiler, larger, the excessive briquetting of yellow stalk monomer density after briquetting Yellow stalk will cause in boiler fluidisation it is bad, influence the normal operation of boiler, thus the yellow stalk after briquetting be also mostly blending It enters in fluidized-bed combustion boiler and burns into other biological matter fuel.
Summary of the invention
It can be all using the fluidized-bed combustion boiler dress of yellow stalk technical problem to be solved by the present invention lies in one kind is provided It sets.The present invention uses on boiler furnace top, top feed, and by the innovative design to fluidized-bed combustion boiler, yellow stalk is not needed It is pre-processed, burning, high combustion efficiency in boiler can be entered directly into;And boiler feed systems are simple and reliable, land occupation Area is small, and feed system periphery is not in flying dust phenomenon, and boiler can efficient operation steady in a long-term.
To achieve the goals above, the technical solution proposed of the invention is:
The biomass fluid bed boiler plant of a kind of top or top feed, by stokehold feeding system, boiler combustion system, boiler Tail portion endothermic system composition;
The stokehold feeding system is made of furnace roof feed platform, elevator and belt conveyor;
The boiler combustion system includes that boiler furnace, an air compartment, furnace roof feed pipe and feed driving means, the furnace roof are given Expects pipe is made of horizontal segment and vertical section, and the push head for being fed driving means can be moved along the vertical section of furnace roof feed pipe, The vertical section of furnace roof feed pipe has a stop valve and temperature measurer there are also flap valve, in the horizontal segment of furnace roof feed pipe, stop valve and turns over Plate valve is chain mutually, opens or closes state each other;There are also smoke gas jet devices near furnace roof feed pipe at the top of the boiler furnace;
The boiler tail endothermic system is made of heat convection face and exhanst gas outlet, draws part of smoke warp from exhanst gas outlet It crosses after blower accelerates and sprays into boiler furnace from smoke gas jet device.
There is water screen tube on the wall of the furnace roof feed pipe.
At the furnace roof feed pipe and boiler furnace roof intersection, refractory material is laid.
When using apparatus of the present invention, yellow stalk is collected in field with straw baler and is packaged, does not need to be crushed Or the pretreatment such as briquetting, transport directly to boiler plant bottom of the invention.Then yellow stalk packet is promoted to by elevator Top is fed platform, and the horizontal segment of furnace roof feed pipe is then transported to by belt conveyor.
The horizontal segment of furnace roof feed pipe is very short, and after yellow stalk packet glides, the push head for being fed driving means is moved downward, together When open flap valve at material inlet, the yellow stalk of whole packet is pushed into boiler furnace, yellow stalk falls into boiler by gravity In burner hearth, push head is retracted, and flap valve is automatically closed.
Smoke gas jet device is the method using smoke backflow, is formed on the yellow stalk packet periphery in the initial stage of falling The flue gas curtain for completely cutting off air, can prevent yellow stalk packet detonation.
Further, the arrangement separation baffle plate at boiler furnace outlet, can prevent the fuel not burnt by flue gas It directly carries flake hearth-tapping secretly, causes after-burning.
Further, according to the degree of pyrolysis of yellow stalk packet dropping process in burner hearth, there are also two in Boiler Furnace bore wall Secondary air port.
According to the degree of pyrolysis of yellow stalk packet dropping process in burner hearth, there are also tertiary air orifices in Boiler Furnace bore wall.
Two, the arrangement of tertiary air is the degree of pyrolysis according to yellow stalk packet in burner hearth in dropping process, suitable as needed When burning is provided needed for air, while using two, tertiary air spray into the flow field in burner hearth, yellow stalk packet is disturbed, is added The decomposition of strong fuel packet.
The yellow stalk of burner hearth is fallen into during the falling process, by the high-temperature flue gas of flowing opposite in burner hearth and meeting for bed material Face washes away, be laterally blown into two, the side disturbance of tertiary air, suitable droping space, calculated according to simulation and test data, under The yellow stalk packet high temperature fallen unpacks, and dissipates solution and carbonization substantially when reaching burner hearth bottom.
The present invention is arranged by the innovation of two, three wind to boiler furnace, increases smoke gas jet device, flue gas baffle means Deng design, the burning of higher efficiency of the yellow stalk in boiler ensure that.It, can be according to the reality of boiler and fuel in practical operation Border characteristic selects one of them or several.
Furnace roof feed pipe in apparatus of the present invention also may be mounted at the side wall upper part of boiler furnace, other setting position phases It should adjust, structure is constant.Thus the present invention actually additionally provides a kind of biomass fluid bed boiler plant of top charging.
The fuel of boiler plant of the present invention can carry out efficient burning all using yellow stalk, and yellow stalk be not required into Row is crushed or the pretreatments such as briquetting.
Biomass fluid bed boiler plant of the invention is suitable for including recirculating fluidized bed, bubbling fluidized bed etc. according to stream The boiler of fluidized bed boiler principle design.The boiler furnace is boiler hearth of circulating fluidized bed or bubbling fluidization bed boiler Thorax.
Biomass fluid bed boiler plant of the invention is not only suitable for creating biomass fluid bed boiler, be also applied for There is fluidized-bed combustion boiler transformation.
It include stokehold feeding system, boiler combustion system, boiler tail endothermic system in the device of the invention system.Stokehold Yellow stalk packet is transported at the top of boiler furnace by feeding system, by the way of boiler furnace top or top feed, is increased The interior circulation of boiler furnace fuel and bed material extends residence time of the fuel in burner hearth, increases two, the three of burner hearth cloth wind The innovative design of secondary wind, while the devices such as smoke gas jet device, flue gas baffling are increased in burner hearth, each of which increases fuel Burnout rate, fuel can achieve 99% or more in furnace chamber inner combustion efficiency.
Using the biomass fluid bed boiler plant of the present invention, have the advantage that
1, the biomass fluid bed boiler plant of the present invention is using the yellow stalk being packaged, using in boiler furnace top or top feed Mode, yellow stalk packet is unpacked using the high-temperature flue gas in burner hearth, while the targetedly innovative design of boiler furnace, Fuel-efficient can be made to burn, ensure that boiler high burning efficiency and operation steady in a long-term.Solving fluidized-bed combustion boiler can not be whole Use the problem of yellow stalk is as fuel.For using unit, the pressure of purchase and the storage and transportation of yellow stalk can also be obvious Mitigate, economic benefit is obvious.
2, by the way of boiler furnace top or top feed, fuel is fallen boiler plant of the present invention from upper furnace, The interior circulation of boiler furnace fuel and bed material is increased, the temperature field in burner hearth is more uniform, is easier to grasp when device is run Make, and bed material or few extra bed material can be not added when boiler plant operation, reduces the operating cost of boiler plant.
3, autofeed, and system letter may be implemented in boiler plant stokehold feeding system high degree of automation of the present invention Single reliable, occupied area is small, and small investment, power consumption is low, and operating cost is few, and maintenance is simple.
4, packed yellow stalk not pre-processed, and can be directly entered in boiler of the invention and be burnt, pole Big reduction fuel treatment cost, is a significant increase the economic benefit of power plant;Yellow stalk prevents without pretreatment simultaneously Dust pollution to Field Force and surrounding enviroment.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of the fluidized-bed combustion boiler device of top feed.
Fig. 2 is the partial schematic diagram of furnace roof feed pipe.
Wherein, 1-elevator, 2-boiler furnaces, 3-belt conveyors, 4-furnace roof feed pipes, 5-feed push Device, 6-furnace roofs are fed platform, 7-smoke gas jet devices, 8-overfiren air ports, 9-separation baffle plates, 10-heat convections Face, 11-exhanst gas outlets, 12-stop valves, 13-temperature measurers, 14-push heads, 15-flap valves, 16-water screen tubes, 17-refractory materials, 18-tertiary air orifices, 19-air compartment.
Specific embodiment
It is described in further detail to the present invention below in conjunction with attached drawing.
It is the overall structure diagram for the biomass fluid bed boiler plant that top is fed, top charging shown in Fig. 1 It is similar to this, therefore in addition do not describe.Complete boiler plant is mainly by stokehold feeding system, boiler combustion system, boiler Tail portion endothermic system is constituted.
Stokehold feeding system includes elevator 1, belt conveyor 3, furnace roof feed platform 6.Elevator 1 will be stored in boiler The yellow stalk packet of bottom is promoted onto furnace roof feed platform 6, and then yellow stalk is transported to furnace roof feed pipe by belt conveyor 3 4 horizontal segment slides.
Boiler combustion system includes an air compartment 19, boiler furnace 2, furnace roof feed pipe 4 and feed driving means 5.Feed Yellow stalk in furnace roof feed pipe is pushed in burner hearth by the push head of driving means 5.Driving means 5 is fed in addition to pushing head Outside 14, there are also power mechanisms and transmission mechanism, are all routine techniques, are not described further in detail.
The furnace roof feed pipe 4 is made of horizontal segment and vertical section, and the push head 14 of feed driving means 5 can be along furnace roof The vertical section of feed pipe 4 moves, and in the vertical section of furnace roof feed pipe, there are also flap valves 15, cuts in the horizontal segment of furnace roof feed pipe Disconnected valve 12 and temperature measurer 13, stop valve and flap valve are chain mutually, open or close state each other.
When the push head 14 of feed driving means 5 moves downward, the flap valve 13 in furnace roof feed pipe 4 has also been pushed open, it will Yellow stalk is pushed in boiler furnace 2, and after yellow stalk drops into boiler furnace 2 by gravity, flap valve 15 is automatic again to be closed It closes, can prevent hot fume anti-channeling in boiler furnace 2 from going out furnace roof feed pipe 4.Flap valve 15 can be used with feed driving means 5 Chain control is fed the opening of flap valve 15 when pushing away under driving means 5, and flap valve 15 is closed when feed driving means 5 retreats.Turnover panel Valve 13 can also be using with by the way of master switch, and when 4 vertical section of furnace roof feed pipe is without yellow stalk, flap valve 15 is by counterweight In closed state.Stop valve 12 and flap valve 15 are in chain mutually simultaneously, each other open and close state.Temperature measurer 13 is detecting In furnace roof feed pipe when temperature anomaly, chain cooling protection furnace roof feed pipe is carried out automatically.
The top of boiler furnace 2 can arrange that 1 be arrived several, furnace roof is given when arrange furnace roof feed pipe 4 according to boiler capacity The channel shape of expects pipe 4 can accordingly be designed according to the shape and size for being packaged yellow stalk.Water screen tube 16 gives furnace roof Expects pipe carries out water cooling protection.Refractory material need to be laid at junction, that is, material inlet of boiler furnace 2 and furnace roof feed pipe simultaneously 17.The outer dimension for being fed the push head 12 of driving means 5 need to be suitable with furnace roof feed pipe inner passage size, pushes head 14 It need to carry out refractory design.
When boiler combustion system is designed, design has smoke gas jet device 7, boiler furnace on the top of boiler furnace Side wall on design have an overfiren air port 9, tertiary air orifice 18, arrangement separation baffle plate 8 etc. at boiler furnace outlet.Smoke gas jet dress 7 are set by the way of the low-temperature flue gas high speed loopback of part, the initial stage that yellow stalk packet falls in roof of the furnace, on fuel periphery Flue gas curtain wall is formed, the detonation of fuel can be both prevented, preliminary dissociation carried out to yellow stalk packet, while being also possible to prevent fuel Furnace outlet is directly carried out by flue gas;Two, the arrangement of tertiary air is the heat according to yellow stalk packet in burner hearth in dropping process Solution degree, air burning is provided in due course needed for, while using two, tertiary air spray into the flow field in burner hearth, to yellow stalk packet into Row disturbance, reinforces the scattered solution of fuel packet;Flue gas baffle means are the arrangement separation baffle plates 8 at furnace outlet, can prevent from not having There is the fuel burnt directly to carry flake hearth-tapping secretly by flue gas, causes after-burning.These measures and device all ensure that yellow stalk in boiler High combustion and reliable burning in burner hearth 2.
Boiler tail endothermic system includes boiler convection heat-transfer surface 10 and exhanst gas outlet 11.The heat come out from boiler furnace 2 After flue gas flows through heat convection face 10, cool down into sufficient heat exchange, is then exported from boiler flue gas outlet 11, sub-fraction cigarette Gas enters boiler furnace from smoke gas jet device again after blower accelerates.

Claims (10)

1. the biomass fluid bed boiler plant of a kind of top or top feed, which is characterized in that by stokehold feeding system, boiler Combustion system, boiler tail endothermic system composition;
The stokehold feeding system is made of furnace roof feed platform, elevator and belt conveyor;
The boiler combustion system includes that boiler furnace, an air compartment, furnace roof feed pipe and feed driving means, the furnace roof are given Expects pipe is made of horizontal segment and vertical section, and the push head for being fed driving means can be moved along the vertical section of furnace roof feed pipe, The vertical section of furnace roof feed pipe has a stop valve and temperature measurer there are also flap valve, in the horizontal segment of furnace roof feed pipe, stop valve and turns over Plate valve is chain mutually, opens or closes state each other;There are also smoke gas jet devices near furnace roof feed pipe at the top of the boiler furnace;
The boiler tail endothermic system is made of heat convection face and exhanst gas outlet, draws part of smoke warp from exhanst gas outlet It crosses after blower accelerates and sprays into boiler furnace from smoke gas jet device.
2. biomass fluid bed boiler plant according to claim 1, which is characterized in that arranged at boiler furnace outlet Separate baffle plate.
3. biomass fluid bed boiler plant according to claim 1 or 2, which is characterized in that in Boiler Furnace bore wall also There is overfiren air port.
4. biomass fluid bed boiler plant according to claim 3, it is characterised in that there are also three in Boiler Furnace bore wall Secondary air port.
5. biomass fluid bed boiler plant according to claim 1 or 2, which is characterized in that flap valve and feed push Device uses chain control, is fed flap valve opening when pushing away under driving means, flap valve is closed when feed driving means retreats;Or Person's flap valve is using with by the way of master switch, and when at furnace roof feed pipe without yellow stalk, flap valve is in by counterweight and closes shape State.
6. biomass fluid bed boiler plant according to claim 1 or 2, which is characterized in that the quantity of furnace roof feed pipe It is 1,2 or several.
7. biomass fluid bed boiler plant according to claim 1 or 2, which is characterized in that the furnace roof feed pipe There is water screen tube on outer wall.
8. biomass fluid bed boiler plant according to claim 1 or 2, which is characterized in that the furnace roof feed pipe and At boiler furnace roof intersection, refractory material is laid.
9. biomass fluid bed boiler plant according to claim 1 or 2, which is characterized in that the boiler furnace is Boiler hearth of circulating fluidized bed or bubbling fluidization bed boiler furnace.
10. biomass fluid bed boiler plant described in claim 1 is applied to create biomass fluid bed boiler or has stream Fluidized bed boiler transformation.
CN201811528952.5A 2018-12-13 2018-12-13 A kind of biomass fluid bed boiler plant of top feed Pending CN109404895A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811528952.5A CN109404895A (en) 2018-12-13 2018-12-13 A kind of biomass fluid bed boiler plant of top feed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811528952.5A CN109404895A (en) 2018-12-13 2018-12-13 A kind of biomass fluid bed boiler plant of top feed

Publications (1)

Publication Number Publication Date
CN109404895A true CN109404895A (en) 2019-03-01

Family

ID=65459158

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811528952.5A Pending CN109404895A (en) 2018-12-13 2018-12-13 A kind of biomass fluid bed boiler plant of top feed

Country Status (1)

Country Link
CN (1) CN109404895A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU800482A1 (en) * 1979-04-25 1981-01-30 Одесский Ордена Трудового Красногознамени Политехнический Институт Fluidized-bed combustion box
CN202361361U (en) * 2011-12-02 2012-08-01 沈阳汇丰生物能源发展有限公司 Liquid deslagging biomass combustion device
CN104482543A (en) * 2014-12-12 2015-04-01 华西能源工业股份有限公司 CFB (circulating fluid bed) refuse incineration boiler hearth
WO2016128615A1 (en) * 2015-02-09 2016-08-18 Fortum Oyj Method for nox reduction in a circulating fluidized bed boiler, a circulating fluidized bed boiler and use thereof
CN206617933U (en) * 2017-03-09 2017-11-07 北京热华能源科技有限公司 A kind of water-coal-slurry charging gear and boiler for multipath circulating fluidized bed boiler
CN107477571A (en) * 2017-09-26 2017-12-15 清华大学 A kind of power failure protection system of CFBB
CN206861514U (en) * 2017-01-19 2018-01-09 北京热华能源科技有限公司 A kind of multipath circulating fluidized bed boiler being classified to fuel
CN209588038U (en) * 2018-12-13 2019-11-05 武汉挚裕技术有限公司 A kind of biomass fluid bed boiler plant of top feed

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU800482A1 (en) * 1979-04-25 1981-01-30 Одесский Ордена Трудового Красногознамени Политехнический Институт Fluidized-bed combustion box
CN202361361U (en) * 2011-12-02 2012-08-01 沈阳汇丰生物能源发展有限公司 Liquid deslagging biomass combustion device
CN104482543A (en) * 2014-12-12 2015-04-01 华西能源工业股份有限公司 CFB (circulating fluid bed) refuse incineration boiler hearth
WO2016128615A1 (en) * 2015-02-09 2016-08-18 Fortum Oyj Method for nox reduction in a circulating fluidized bed boiler, a circulating fluidized bed boiler and use thereof
CN206861514U (en) * 2017-01-19 2018-01-09 北京热华能源科技有限公司 A kind of multipath circulating fluidized bed boiler being classified to fuel
CN206617933U (en) * 2017-03-09 2017-11-07 北京热华能源科技有限公司 A kind of water-coal-slurry charging gear and boiler for multipath circulating fluidized bed boiler
CN107477571A (en) * 2017-09-26 2017-12-15 清华大学 A kind of power failure protection system of CFBB
CN209588038U (en) * 2018-12-13 2019-11-05 武汉挚裕技术有限公司 A kind of biomass fluid bed boiler plant of top feed

Similar Documents

Publication Publication Date Title
CN107120824B (en) A kind of Biomass Briquette Boiler system
CN102200275A (en) Combustion device for dewatering upgradation of lignite and reduction of nitrogen oxide emission and method thereof
CN208776670U (en) A kind of biomass comprehensive utilizes system
CN100408917C (en) Circulating fluidized bed combustion device with biomass fuel and combustion method thereof
CN104949122A (en) Oxygen-enriched gas pulsating combustion device
CN201577519U (en) Tobacco leaf curing heating device utilizing straw gasification
CN204874405U (en) Biological oily preparation system
CN204786347U (en) Biomass gasification phase separating combustion furnace
CN209588038U (en) A kind of biomass fluid bed boiler plant of top feed
CN104566952B (en) A kind of domestic small biomass thermal wind furnace
CN205957467U (en) Living beings hand stew pot stove
CN109404895A (en) A kind of biomass fluid bed boiler plant of top feed
CN206669715U (en) A kind of upper-burning biomass vegetable booth thermal insulation stove
CN202024316U (en) Upper fuel stored type vaporizing combustion boiler device
CN201513915U (en) Air circulating device of combustion furnace
CN106168374B (en) A kind of biomass gasification combustion machine
CN101865455B (en) Straw particle fuel combustor
CN207716825U (en) A kind of dry-heat air furnace apparatus
CN203478598U (en) Hot-blast stove
CN202119092U (en) Reverse combustion central heating furnace
CN206291470U (en) A kind of two grades of heat exchange biomass fuel hot-blast stoves
CN105112076A (en) System and method for gas direct heating
CN206145724U (en) Heat exchanger formula biological particle stove of keeping warm
CN104896480A (en) Garbage dual-degradation disposal device
CN206669720U (en) A kind of sedimentation furnace apparatus for being used to reduce Blended Coal Combustion NOx emission

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination