CN108679834A - A kind of energy-saving biomass combustion furnace - Google Patents
A kind of energy-saving biomass combustion furnace Download PDFInfo
- Publication number
- CN108679834A CN108679834A CN201810562517.8A CN201810562517A CN108679834A CN 108679834 A CN108679834 A CN 108679834A CN 201810562517 A CN201810562517 A CN 201810562517A CN 108679834 A CN108679834 A CN 108679834A
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- China
- Prior art keywords
- fixedly mounted
- boiler
- pipe
- energy
- bottom plate
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K1/00—Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
- F24H1/40—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
- F24H1/41—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes in serpentine form
Abstract
The invention discloses a kind of energy-saving biomass combustion furnaces,Including filtrating smoke dust pipe,Crush tank,Drying box,Pusher cylinder,Motor,Bottom plate,Clinker groove,Igniter,Heating bend,Boiler and wind turbine,The boiler is fixedly mounted on the top left side of bottom plate by boiler support,Drying box is fixedly mounted on the top center of bottom plate by fixed frame,It crushes tank and is fixedly mounted on the top of bottom plate and positioned at close to right positions by crushing tank bracket,Motor is fixedly mounted on the top right side of bottom plate by electric machine support,Wind turbine is fixedly mounted on the top of bottom plate and between boiler and drying box,Burner hearth is equipped in boiler,Heating bend is fixedly mounted inside burner hearth,One end of heating bend is as water inlet end and is through to the left bottom of boiler,The energy-saving biomass combustion furnace reasonable design,It is highly practical,Greatly improve utilization efficiency of heat energy,It is energy saving.
Description
Technical field
The present invention relates to energy conservation and environmental protection field, specifically a kind of energy-saving biomass combustion furnace.
Background technology
Biomass boiler is a type of boiler, be exactly with biomass energy as fuel boiler biomass pot
Stove is divided into biomass steam boiler, biomass hot water boiler, biomass thermal wind furnace, biomass heat-conduction oil oven, vertical type biomass pot
Stove, horizontal biomass boiler etc..
Boiler is using the combustion apparatus ----reciprocal grate for being most suitable for biomass fuel combustion.Boiler in structure design,
Opposite conventional boiler furnace cavity is larger, is simutaneously arranged very rational Secondary Air, is conducive to moment when biomass fuel combustion
The a large amount of volatile matters being precipitated fully burn.
Using needing to perform some processing before biomass fuel, biomass fuel is simply stirred drying, is carried
The efficiency of combustion of high fuel, and most of stirring and dryings are dried after cutting off biomass fuel by manually carrying out, in this way
It is time-consuming and laborious, inefficiency.
Invention content
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of energy-saving biomass combustion furnace
Problem.
To achieve the above object, the present invention provides the following technical solutions：
A kind of energy-saving biomass combustion furnace, including filtrating smoke dust pipe, crushing tank, drying box, pusher cylinder, motor, bottom plate, lime-ash
Slot, igniter, heating bend, boiler and wind turbine, the boiler are fixedly mounted on the top left side of bottom plate by boiler support, dry
Dry case is fixedly mounted on the top center of bottom plate by fixed frame, crushes the top that tank is fixedly mounted on bottom plate by crushing tank bracket
Portion and positioned at close to right positions, motor is fixedly mounted on the top right side of bottom plate by electric machine support, and wind turbine is fixedly mounted on
The top of bottom plate and between boiler and drying box is equipped with burner hearth in boiler, heating bend, heating is fixedly mounted inside burner hearth
One end of bend pipe is as water inlet end and is through to the left bottom of boiler, and the other end of heating bend as water outlet and is through to
Clinker groove is fixedly mounted in the bottom of the right hand top of boiler, boiler, and the bottom of boiler opens up round slot, round slot and lime-ash
Slot is connected to, and is fixedly mounted in round slot and is placed web plate, and igniter is fixedly mounted in the left side outer wall bottom of boiler, is set on igniter
There are igniter head, igniter head to be through to burner hearth inner bottom, blast pipe, the other end of blast pipe are fixedly mounted on the air outlet of wind turbine
It being connected to the right side wall bottom of boiler, the top of boiler is fixedly mounted smoke exhaust pipe, and the of one end of smoke exhaust pipe and the first reversal valve
One end is connected to, and water inlet pipe, third end and the filtrating smoke dust pipe of the first reversal valve are fixedly mounted in the second end of the first reversal valve
One end is connected to, and the other end of filtrating smoke dust pipe is connected to the first end of the second reversal valve, fixed in the second end of the second reversal valve
Outlet pipe is installed, smoke guide pipe is fixedly mounted on the third end of the second reversal valve, the other end of smoke guide pipe is fixedly mounted on drying box
Top.
As a further solution of the present invention：Jet plate, the bottom of jet plate is fixedly mounted in the inner tip of the drying box
Portion opens up several spray orifices, and the inlet end of jet plate is connected to smoke guide pipe, and mesh plate is fixedly mounted in the inside of drying box, drying box
Discharge port is opened up on the outer wall of front end, discharge outlet is hinged with forward end seal door, smoke outlet is opened up at the top of drying box.
As further scheme of the invention：Feed hopper is fixedly mounted in the top for crushing tank, crushes the bottom of tank
Tremie pipe is fixedly mounted, the inner rotation for crushing tank is equipped with crushing shaft, several Disintegrating knifes are fixedly mounted on crushing shaft.
As further scheme of the invention：The bottom of the tremie pipe is fixedly mounted pusher cylinder, and tremie pipe with push away
The right hand top of barrel is connected to, and the left side of pusher cylinder is connected to the right side wall of drying box.
As further scheme of the invention：The tremie pipe inner rotation is equipped with pusher shaft, in pusher shaft
Several spiral pusher plates are fixedly mounted, the outside of pusher cylinder are through on the right side of pusher shaft and by the biography of shaft coupling and motor
Moving axis connects, and the second belt pulley is fixedly mounted in pusher shaft, the second belt pulley is located at the outside of pusher cylinder.
As further scheme of the invention：The outside for crushing tank, and crushing shaft are through on the right side of the crushing shaft
The first belt pulley of upper fixed installation, the first belt pulley are located at the surface of the second belt pulley, and the first belt pulley and the second belt
Wheel is connected by driving belt.
As further scheme of the invention：The front end outer wall bottom of the boiler opens up fuel dispensing port.
As further scheme of the invention：Several spiral filtration mesh plates are fixedly mounted in the filtrating smoke dust pipe.
Compared with prior art, the beneficial effects of the invention are as follows：
Reasonable design of the present invention, it is cheap, using pure-natural biological matter fuel, and biomass fuel can be crushed
Drying improves efficiency of combustion, while crushing transmission and pusher transmission using the same power source, and energy saving, high-temperature flue gas passes through
As drying heat source after filtering, heating efficiency is improved, shortens drying time, and filtrating smoke dust pipe free of demolition can clean,
It avoids usage time is long spiral filtration mesh plate is caused to block, improves filtrating smoke dust efficiency, energy saving subtract to reach good
Effect is arranged, is worth of widely use.
Description of the drawings
Fig. 1 is the structural schematic diagram of energy-saving biomass combustion furnace.
Fig. 2 is the sectional view of energy-saving biomass combustion furnace.
Fig. 3 is the structural schematic diagram of spiral filtration mesh plate in energy-saving biomass combustion furnace.
In figure：Water inlet pipe 1, filtrating smoke dust pipe 3, the second reversal valve 4, outlet pipe 5, crushes tank 6, drying at first reversal valve 2
Case 7, jet plate 8, crushing shaft 9, Disintegrating knife 10, the first belt pulley 11, pusher cylinder 12, tremie pipe 13, spiral pusher plate 14,
Two belt pulleys 15, pusher shaft 16, motor 17, electric machine support 18, bottom plate 19, mesh plate 20, blast pipe 21, fixed frame 22, pot
Furnace cradle 23, igniter 25, places web plate 26, igniter head 27, burner hearth 28, heating bend 29, boiler 30, smoke evacuation at clinker groove 24
Pipe 31, crushes tank bracket 33, preceding is sealed closure door 34, fuel dispensing port 35, spiral filtration mesh plate 36 and wind turbine smoke guide pipe 32
37。
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1~3, in the embodiment of the present invention, a kind of energy-saving biomass combustion furnace, including water inlet pipe 1, first change
To valve 2, filtrating smoke dust pipe 3, the second reversal valve 4, outlet pipe 5, crush tank 6, drying box 7, jet plate 8, crushing shaft 9, crushing knife
Piece 10, the first belt pulley 11, pusher cylinder 12, tremie pipe 13, spiral pusher plate 14, the second belt pulley 15, pusher shaft 16, motor
17, electric machine support 18, bottom plate 19, mesh plate 20, blast pipe 21, fixed frame 22, boiler support 23, clinker groove 24, igniter 25,
Place web plate 26, igniter head 27, burner hearth 28, heating bend 29, boiler 30, smoke exhaust pipe 31, smoke guide pipe 32, crush tank bracket 33,
Before be sealed closure door 34, fuel dispensing port 35, spiral filtration mesh plate 36 and wind turbine 37, the boiler 30 is solid by boiler support 23
Dingan County is mounted in the top left side of bottom plate 19, and drying box 7 is fixedly mounted on the top center of bottom plate 19 by fixed frame 22, crushes tank
6 are fixedly mounted on the top of bottom plate 19 by crushing tank bracket 33 and are located at close to right positions, and motor 17 passes through electric machine support
18 are fixedly mounted on the top right side of bottom plate 19, and wind turbine 37 is fixedly mounted on the top of bottom plate 19 and is located at boiler 30 and drying box
Between 7, be equipped with burner hearth 28 in boiler 30,28 inside of burner hearth is fixedly mounted heating bend 29, one end of heating bend 29 be used as into
Water end (W.E.) and the left bottom for being through to boiler 30, the other end of heating bend 29 is as water outlet and is through to the right side of boiler 30
Clinker groove 24 is fixedly mounted in the bottom at top, boiler 30, and the bottom of boiler 30 opens up round slot, round slot and clinker groove 24
Connection, interior be fixedly mounted of round slot place web plate 26, and igniter 25, igniter is fixedly mounted in the left side outer wall bottom of boiler 30
25 are equipped with igniter head 27, and igniter head 27 is through to 28 inner bottom of burner hearth, blast pipe is fixedly mounted on the air outlet of wind turbine 37
21, the other end of blast pipe 21 is connected to the right side wall bottom of boiler 30, and smoke exhaust pipe 31, smoke evacuation is fixedly mounted in the top of boiler 30
One end of pipe 31 is connected to the first end of the first reversal valve 2, fixed installation water inlet pipe 1 in the second end of the first reversal valve 2, and first
The third end of reversal valve 2 is connected to one end of filtrating smoke dust pipe 3, and the first of the other end of filtrating smoke dust pipe 3 and the second reversal valve 4
End is connected to, and outlet pipe 5 is fixedly mounted in the second end of the second reversal valve 4, is fixedly mounted on the third end of the second reversal valve 4 and leads cigarette
Pipe 32, the other end of smoke guide pipe 32 are fixedly mounted on the top of drying box 7；Spray is fixedly mounted in the inner tip of the drying box 7
The bottom of gas plate 8, jet plate 8 opens up several spray orifices, and the inlet end of jet plate 8 is connected to smoke guide pipe 32, and the inside of drying box 7 is solid
Dingan County fills mesh plate 20, and discharge port is opened up on the front end outer wall of drying box 7, and discharge outlet is hinged with forward end seal door 34, drying
The top of case 7 opens up smoke outlet；Feed hopper is fixedly mounted in the top for crushing tank 6, and blanking is fixedly mounted in the bottom for crushing tank 6
Pipe 13, the inner rotation for crushing tank 6 are equipped with crushing shaft 9, several Disintegrating knifes 10 are fixedly mounted on crushing shaft 9；The blanking
Pusher cylinder 12 is fixedly mounted in the bottom of pipe 13, and tremie pipe 13 is connected to the right hand top of pusher cylinder 12, the left side of pusher cylinder 12
It is connected to the right side wall of drying box 7；13 inner rotation of the tremie pipe is equipped with pusher shaft 16, and peace is fixed in pusher shaft 16
Several spiral pusher plates 14 are filled, the right side of pusher shaft 16 is through to the outside of pusher cylinder 12 and by shaft coupling and motor 17
It is driven axis connection, the second belt pulley 15 is fixedly mounted in pusher shaft 16, the second belt pulley 15 is located at the outside of pusher cylinder 12；Institute
The right side for stating crushing shaft 9 is through to the outside for crushing tank 6, and the first belt pulley 11, the first belt pulley are fixedly mounted on crushing shaft 9
11 are located at the surface of the second belt pulley 15, and the first belt pulley 11 is connect with the second belt pulley 15 by driving belt；It is described
The front end outer wall bottom of boiler 30 opens up fuel dispensing port 35；Several Spiral filter nets are fixedly mounted in the filtrating smoke dust pipe 3
Orifice plate 36；In use, the water inlet end of heating bend 29 is connected external water source, biomass fuel is put by fuel dispensing port 35
Into in burner hearth 28,25 ignition of igniter can be crossed, and heat to the water in heating bend 29, the water after heating is by being discharged
Biomass fuel to be dried is put into and is crushed in tank 6 to provide domestic water for people by end discharge, opens motor 17, electricity
The rotation of machine 17 drives 16 shaft of pusher shaft, then drives crushing shaft 9 to rotate by driving belt, the Disintegrating knife on crushing shaft 9
Biomass fuel is smashed and is fallen into pusher cylinder 12 by tremie pipe 13 by 10, then is pushed into drying box 7 by spiral pusher plate 14
Mesh plate 20 in, burning generates in boiler 30 high-temperature flue gas enters jet plate 8 after being filtered by filtrating smoke dust pipe 3
In, and sprayed downwards by spray orifice, opening forward end seal door 34 to be dried to the biomass fuel after smashing, after drying takes
Go out to use, energy saving to improve utilization efficiency of heat energy, filtrating smoke dust pipe 3 free of demolition can clean, and pass through the first reversal valve
2 and second reversal valve 4 be used cooperatively, so that the water inlet pipe 1, outlet pipe 5 is connected to filtrating smoke dust secret 3 and form cleaning water route, will
Carry out high pressure washing to spiral filtration mesh plate 36 after ejected wash water pressurization avoids usage time long to improve filter effect
It blocks, it is easy to use.
The present invention operation principle be：
In use, the water inlet end of heating bend 29 is connected external water source, biomass fuel is put by fuel dispensing port 35
In burner hearth 28,25 ignition of igniter can be crossed, and heat to the water in heating bend 29, the water after heating is by water outlet
Biomass fuel to be dried is put into and is crushed in tank 6 to provide domestic water for people by discharge, opens motor 17, motor
17 rotations drive 16 shaft of pusher shaft, then drive crushing shaft 9 to rotate by driving belt, the Disintegrating knife 10 on crushing shaft 9
Biomass fuel is smashed and is fallen into pusher cylinder 12 by tremie pipe 13, then is pushed into drying box 7 by spiral pusher plate 14
In mesh plate 20, the high-temperature flue gas of burning generation enters after being filtered by filtrating smoke dust pipe 3 in jet plate 8 in boiler 30,
And sprayed downwards by spray orifice, it opens forward end seal door 34 to be dried to the biomass fuel after smashing, after drying and takes out
It uses, energy saving to improve utilization efficiency of heat energy, filtrating smoke dust pipe 3 free of demolition can clean, and pass through the first reversal valve 2
With being used cooperatively for the second reversal valve 4, so that water inlet pipe 1, outlet pipe 5 is connected to filtrating smoke dust secret 3 and form cleaning water route, it will be clear
Carry out high pressure washing to spiral filtration mesh plate 36 after wash water pressurization avoids usage time from crossing long hair to improve filter effect
It is raw to block, it is easy to use.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc.
With replacing, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection domain of invention.
Claims (8)
1. a kind of energy-saving biomass combustion furnace, including filtrating smoke dust pipe (3), crushing tank (6), drying box (7), pusher cylinder
(12), motor (17), bottom plate (19), clinker groove (24), igniter (25), heating bend (29), boiler (30) and wind turbine (37),
It is characterized in that, the boiler (30) is fixedly mounted on the top left side of bottom plate (19), drying box (7) by boiler support (23)
It is fixedly mounted on the top center of bottom plate (19) by fixed frame (22), crushes tank (6) by crushing the fixed peace of tank bracket (33)
Mounted in the top of bottom plate (19) and positioned at close to right positions, motor (17) is fixedly mounted on bottom plate by electric machine support (18)
(19) top right side, wind turbine (37) are fixedly mounted on the top of bottom plate (19) and between boiler (30) and drying boxes (7),
It is equipped with burner hearth (28) in boiler (30), heating bend (29) is fixedly mounted inside burner hearth (28), one end of heating bend (29) is made
For water inlet end and it is through to the left bottoms of boiler (30), the other end of heating bend (29) as water outlet and is through to boiler
(30) clinker groove (24) is fixedly mounted in the bottom of right hand top, boiler (30), and the bottom of boiler (30) opens up round slot, circle
Shape slot is connected to clinker groove (24), is fixedly mounted in round slot and is placed web plate (26), the left side outer wall bottom of boiler (30)
Igniter (25) is fixedly mounted, igniter (25) is equipped with igniter head (27), and igniter head (27) is through to burner hearth (28) inner bottom
It holds, blast pipe (21), the right side wall of the other end and boiler (30) of blast pipe (21) is fixedly mounted on the air outlet of wind turbine (37)
Bottom is connected to, and the top of boiler (30) is fixedly mounted smoke exhaust pipe (31), and the of one end of smoke exhaust pipe (31) and the first reversal valve (2)
One end is connected to, and water inlet pipe (1), the third end of the first reversal valve (2) and flue dust are fixedly mounted in the second end of the first reversal valve (2)
One end of screen pipe (3) is connected to, and the other end of filtrating smoke dust pipe (3) is connected to the first end of the second reversal valve (4), the second commutation
Outlet pipe (5) is fixedly mounted in the second end of valve (4), smoke guide pipe (32) is fixedly mounted on the third end of the second reversal valve (4), leads
The other end of smoke pipe (32) is fixedly mounted on the top of drying box (7).
2. energy-saving biomass combustion furnace according to claim 1, which is characterized in that push up the inside of the drying box (7)
Jet plate (8) is fixedly mounted in end, and the bottom of jet plate (8) opens up several spray orifices, inlet end and the smoke guide pipe (32) of jet plate (8)
Mesh plate (20) is fixedly mounted in the inside of connection, drying box (7), and discharge port, discharge port are opened up on the front end outer wall of drying box (7)
Place is hinged with forward end seal door (34), and drying box opens up smoke outlet at the top of (7).
3. energy-saving biomass combustion furnace according to claim 1, which is characterized in that the top for crushing tank (6) is solid
Dingan County puts into hopper, and tremie pipe (13) is fixedly mounted in the bottom for crushing tank (6), and the inner rotation for crushing tank (6) is equipped with crushing
Several Disintegrating knifes (10) are fixedly mounted on crushing shaft (9) in axis (9).
4. energy-saving biomass combustion furnace according to claim 3, which is characterized in that the bottom of the tremie pipe (13) is solid
Dingan County fills pusher cylinder (12), and tremie pipe (13) is connected to the right hand top of pusher cylinder (12), the left side of pusher cylinder (12) and baking
The right side wall of dry case (7) is connected to.
5. energy-saving biomass combustion furnace according to claim 3 or 4, which is characterized in that the tremie pipe (13) is internal
It is rotatablely equipped with pusher shaft (16), several spiral pusher plates (14), pusher shaft (16) are fixedly mounted in pusher shaft (16)
Right side be through to the outside of pusher cylinder (12) and by the transmission axis connection of shaft coupling and motor (17), in pusher shaft (16)
The second belt pulley (15) is fixedly mounted, the second belt pulley (15) is located at the outside of pusher cylinder (12).
6. energy-saving biomass combustion furnace according to claim 3, which is characterized in that passed through on the right side of the crushing shaft (9)
It wears to the outside for crushing tank (6), and the first belt pulley (11) is fixedly mounted on crushing shaft (9), the first belt pulley (11) is located at the
The surface of two belt pulleys (15), and the first belt pulley (11) is connect with the second belt pulley (15) by driving belt.
7. energy-saving biomass combustion furnace according to claim 1, which is characterized in that the front end outer wall of the boiler (30)
Bottom opens up fuel dispensing port (35).
8. energy-saving biomass combustion furnace according to claim 1, which is characterized in that solid in the filtrating smoke dust pipe (3)
Dingan County fills several spiral filtration mesh plates (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810562517.8A CN108679834A (en) | 2018-06-04 | 2018-06-04 | A kind of energy-saving biomass combustion furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810562517.8A CN108679834A (en) | 2018-06-04 | 2018-06-04 | A kind of energy-saving biomass combustion furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108679834A true CN108679834A (en) | 2018-10-19 |
Family
ID=63809801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810562517.8A Pending CN108679834A (en) | 2018-06-04 | 2018-06-04 | A kind of energy-saving biomass combustion furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108679834A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178670A (en) * | 2020-09-09 | 2021-01-05 | 安徽益禾机械有限公司 | Energy-saving environment-friendly biomass-fired air furnace |
-
2018
- 2018-06-04 CN CN201810562517.8A patent/CN108679834A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178670A (en) * | 2020-09-09 | 2021-01-05 | 安徽益禾机械有限公司 | Energy-saving environment-friendly biomass-fired air furnace |
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Application publication date: 20181019 |
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| WD01 | Invention patent application deemed withdrawn after publication |