CN111911914A - Back-burning type high-efficiency energy-saving boiler - Google Patents
Back-burning type high-efficiency energy-saving boiler Download PDFInfo
- Publication number
- CN111911914A CN111911914A CN202010821527.6A CN202010821527A CN111911914A CN 111911914 A CN111911914 A CN 111911914A CN 202010821527 A CN202010821527 A CN 202010821527A CN 111911914 A CN111911914 A CN 111911914A
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- Prior art keywords
- boiler
- fixedly connected
- combustion chamber
- boiler combustion
- motor
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B90/00—Combustion methods not related to a particular type of apparatus
- F23B90/04—Combustion methods not related to a particular type of apparatus including secondary combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B50/00—Combustion apparatus in which the fuel is fed into or through the combustion zone by gravity, e.g. from a fuel storage situated above the combustion zone
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
- F23K3/10—Under-feed arrangements
- F23K3/14—Under-feed arrangements feeding by screw
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L5/00—Blast-producing apparatus before the fire
- F23L5/02—Arrangements of fans or blowers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/02—Regulating fuel supply conjointly with air supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2201/00—Pretreatment of solid fuel
- F23K2201/20—Drying
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2203/00—Feeding arrangements
- F23K2203/20—Feeding/conveying devices
- F23K2203/202—Feeding/conveying devices using screws
Abstract
The invention discloses a back-burning type efficient energy-saving boiler which comprises a boiler support, wherein a boiler combustion chamber is fixedly connected to the inner bottom wall of the boiler support, a first fire grate and a second fire grate are respectively and fixedly connected to the inner wall of the boiler combustion chamber, a support frame is fixedly connected to the inner bottom wall of the boiler combustion chamber, a shunt pipe is fixedly connected to the upper surface of the support frame, an air nozzle is fixedly connected to the upper surface of the shunt pipe, and an ash discharge pipe is fixedly connected to the lower surface of the boiler combustion chamber. This high-efficient energy-saving boiler of formula of burning reversely, through setting up feed hopper, second motor, axis of rotation, helical blade and inlet pipe, feed hopper can store the fuel, and the second motor drives helical blade and rotates, in at the uniform velocity with fuel propelling movement into the boiler combustion chamber, controls the input speed through the rotation rate of adjusting the second motor, avoids the speed too fast to cause furnace to block up easily to the realization prevents the effect that the fuel blockked up.
Description
Technical Field
The invention relates to the technical field of boilers, in particular to a back-burning type efficient energy-saving boiler.
Background
The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, the back-burning boiler is a boiler with double-layer grates, the mode of entering the fuel from the bottom of a furnace chamber to start burning is adopted, the inside of the back-burning boiler is divided into three spaces, the upper layer is a ventilation area for burning the fuel, the middle part is a hearth, namely a high-temperature burning area, the bottom is an ash falling ventilation area for fixing the grates, the back-burning boiler adopts a burning mode of adding the fuel from the bottom of the furnace chamber, the burning mode is to preheat, dry and burn the fuel from top to bottom to form coke, the high-temperature area of the back-burning boiler is arranged at the middle upper part, therefore, in the process of heating the fuel, the preheating is short, the burning is more sufficient, a certain furnace temperature is kept, the opening times of a furnace door can be reduced, black smoke is eliminated, and the emission of toxic gas is reduced, the use is more environment-friendly.
The feeding speed of the existing commonly used reverse combustion boiler is not easy to control, more feeding materials easily cause hearth blockage, insufficient combustion and fuel waste, so the invention provides a reverse combustion type efficient energy-saving boiler.
Disclosure of Invention
The invention aims to provide a back-burning type efficient energy-saving boiler to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a back-burning type high-efficiency energy-saving boiler comprises a boiler support, wherein a boiler combustion chamber is fixedly connected to the inner bottom wall of the boiler support, the inner wall of the boiler combustion chamber is fixedly connected with a first fire grate and a second fire grate respectively, a support frame is fixedly connected to the inner bottom wall of the boiler combustion chamber, a shunt pipe is fixedly connected to the upper surface of the support frame, an air nozzle is fixedly connected to the upper surface of the shunt pipe, an ash discharge pipe is fixedly connected to the lower surface of the boiler combustion chamber, one end, away from the boiler combustion chamber, of the ash discharge pipe extends to the lower surface of the boiler support, a threaded hole is formed in the upper surface of the boiler combustion chamber, a temperature sensor is in threaded connection with the inner wall of the threaded hole, a through hole is formed in the upper surface of the boiler combustion chamber, an injection fire pipe is fixedly connected to the, the inner wall of the injection fire tube is provided with an adjusting mechanism, the upper surface of the boiler support is fixedly connected with a heat exchange water tank, the front surface of the heat exchange water tank is respectively provided with a thermometer and a pressure gauge, the upper surface of the heat exchange water tank is provided with a smoke exhaust tube, the inner top wall and the inner bottom wall of the boiler support are fixedly connected with vertical clapboards, the right side surface of the vertical clapboard is fixedly connected with a PLC (programmable logic controller), the inner bottom wall of the boiler support is fixedly connected with an automatic air feeder, the air outlet end of the automatic air feeder is fixedly connected with a hearth air supply tube, the left side surface of the boiler support is fixedly connected with an installation frame, the upper surface of the installation frame is fixedly connected with a feeding funnel, the left side surface of the installation frame is fixedly connected with, the left surface fixedly connected with inlet pipe of boiler support, the front of boiler combustion chamber is provided with three inspection door respectively, the lower fixed surface of boiler support is connected with the supporting leg.
Preferably, the first grate and the second grate are arranged in an upper layer and a lower layer, and the first grate and the second grate divide an inner cavity of a boiler combustion chamber into three spaces.
Preferably, the adjusting mechanism comprises a limiting rod rotatably connected to the inner wall of the injection fire tube, a blocking plate is fixedly connected to the lower surface of the limiting rod, the specification and the size of the blocking plate are matched with the inner wall of the injection fire tube, the back surface of the limiting rod extends to the back surface of the injection fire tube, and the back surface of the limiting rod is fixedly connected with the output end of the first motor.
Preferably, the shunt tubes are arranged under the second grate, the shunt tubes are of annular structures, the number of the air nozzles is multiple, the air nozzles are arranged on the upper surfaces of the shunt tubes in an annular array, and one ends, far away from the shunt tubes, of the air nozzles are fixedly connected with dust screens.
Preferably, one end of the hearth blast pipe, which is far away from the automatic blower, extends to the interior of the boiler combustion chamber, and one end of the hearth blast pipe, which is far away from the automatic blower, is fixedly connected with the surface of the shunt pipe.
Preferably, feed hopper sets up directly over the inlet pipe, feed hopper's bottom extends to the inside of inlet pipe, the left end of axis of rotation and the output fixed connection of second motor, the one end that the second motor was kept away from to the axis of rotation extends to the inside of inlet pipe, helical blade sets up the inside at the inlet pipe, the one end that the second motor was kept away from to the inlet pipe extends to the inside of boiler combustion chamber.
Preferably, temperature sensor's quantity is a plurality of, and is a plurality of temperature sensor circumference equidistance sets up the upper surface at the boiler combustion chamber, temperature sensor's bottom extends to the interior roof of boiler combustion chamber, temperature sensor, first motor, second motor and automatic forced draught blower pass through the electric wire and all with PLC controller electric connection.
Preferably, the left side fixedly connected with insulating layer of vertical baffle, PLC controller and automatic forced draught blower all set up the right side of vertical baffle.
Preferably, the number of the supporting legs is four, and the four supporting legs are symmetrically arranged at four corners of the lower surface of the boiler support respectively.
Advantageous effects
The invention provides a back-burning type efficient energy-saving boiler, which has the following beneficial effects:
1. this high-efficient energy-saving boiler of formula of burning reversely, through setting up feed hopper, second motor, axis of rotation, helical blade and inlet pipe, feed hopper can store the fuel, and the second motor drives helical blade and rotates, in at the uniform velocity with fuel propelling movement into boiler combustion chamber, controls the input speed through the rotation rate of adjusting the second motor, avoids the speed to lead to the fact furnace to block up at the excessive speed to the realization prevents the effect that the fuel blockked up.
2. This high-efficient energy-conserving boiler of formula of backflowing, through setting up first grate, second grate, shunt tubes and automatic forced draught blower, the fuel is dry and preheat on first grate to being lighted, fall on the second grate after the burning diminishes, continue the burning, the shunt tubes pours into the air into boiler combustion chamber, makes the abundant burning of fuel, releases more heat, and the fuel preheats for a short time, and the burning is abundant, thereby realizes high-efficient energy-conserving effect.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic elevation view of a boiler combustion chamber;
FIG. 4 is a schematic top view of a boiler combustion chamber;
fig. 5 is a schematic view of a top view of the shunt.
In the figure: 1 boiler support, 2 boiler combustion chambers, 3 first grates, 4 second grates, 5 supports, 6 shunt tubes, 7 air shower nozzles, 8 ash discharge pipes, 9 temperature sensor, 10 injection fire tubes, 11 first motors, 12 heat exchange water tank, 13 exhaust pipes, 14 vertical partition plates, 15 PLC controller, 16 automatic blower, 17 furnace blast pipe, 18 installation frame, 19 feeding funnel, 20 second motors, 21 axis of rotation, 22 helical blade, 23 inlet pipes, 24 inspection door, 25 supporting legs, 26 gag lever post, 27 barrier plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a high-efficient energy-saving boiler of formula of burning back, including boiler support 1, boiler support 1's interior diapire fixedly connected with boiler combustion chamber 2, boiler combustion chamber 2's inner wall difference fixedly connected with first grate 3 and second grate 4, first grate 3 and second grate 4 are the setting of lower floor, first grate 3 and second grate 4 separate into three space with boiler combustion chamber 2's inner chamber, boiler combustion chamber 2's interior diapire fixedly connected with support frame 5, the last fixed surface of support frame 5 is connected with shunt tubes 6, shunt tubes 6 sets up under second grate 4, shunt tubes 6 are the loop configuration, the last fixed surface of shunt tubes 6 is connected with air shower nozzle 7, air shower nozzle 7's quantity is a plurality of, a plurality of air shower nozzles 7 are the upper surface that the loop configuration set up at shunt tubes 6, air shower nozzle 7 keeps away from the one end fixedly connected with dust screen of shunt tubes 6.
The lower fixed surface of boiler combustion chamber 2 is connected with ash discharging pipe 8, ash discharging pipe 8 keeps away from the one end of boiler combustion chamber 2 and extends to the lower surface of boiler support 1, the upper surface of boiler combustion chamber 2 is seted up threaded hole, the inner wall threaded connection of screw hole has temperature sensor 9, temperature sensor 9's quantity is a plurality of, the upper surface of a plurality of temperature sensor 9 circumference equidistance setting at boiler combustion chamber 2, temperature sensor 9's bottom extends to boiler combustion chamber 2's interior roof.
The through-hole has been seted up to the upper surface of boiler combustion chamber 2, the inner wall fixedly connected with of through-hole sprays firetube 10, spray the first motor 11 of the back fixedly connected with of firetube 10, the inner wall of spraying firetube 10 is provided with adjustment mechanism, adjustment mechanism is including rotating the gag lever post 26 of connecting at spraying firetube 10 inner wall, the lower fixed surface of gag lever post 26 is connected with barrier plate 27, barrier plate 27's specification and size and the inner wall looks adaptation that sprays firetube 10, the back of gag lever post 26 extends to the back that sprays firetube 10, the back of gag lever post 26 and the output fixed connection of first motor 11.
The air outlet end of the automatic blower 16 is fixedly connected with a hearth air supply pipe 17, one end of the hearth air supply pipe 17, which is far away from the automatic blower 16, extends into the boiler combustion chamber 2, and one end of the hearth air supply pipe 17, which is far away from the automatic blower 16, is fixedly connected with the surface of the shunt pipe 6.
Through setting up first grate 3, second grate 4, shunt tubes 6 and automatic blower 16, the fuel is dry and preheat on first grate 3 to being lighted, fall on second grate 4 after the burning diminishes, continue the burning, shunt tubes 6 pours into the air into boiler combustion chamber 2 into, makes the abundant burning of fuel, releases more heat, and the fuel preheats for a short time, and the burning is abundant, thereby realizes energy-efficient effect.
Boiler support 1's left surface fixedly connected with installation frame 18, the last fixed surface of installation frame 18 is connected with feed hopper 19, the left surface fixedly connected with second motor 20 of installation frame 18, the inside wall of installation frame 18 rotates and is connected with axis of rotation 21, axis of rotation 21's fixed surface is connected with helical blade 22, boiler support 1's left surface fixedly connected with inlet pipe 23, feed hopper 19 sets up directly over inlet pipe 23, feed hopper 19's bottom extends to the inside of inlet pipe 23, the left end of axis of rotation 21 and second motor 20's output fixed connection, the one end that second motor 20 was kept away from to axis of rotation 21 extends to the inside of inlet pipe 23, helical blade 22 sets up the inside at inlet pipe 23, the one end that second motor 20 was kept away from to inlet pipe 23 extends to the inside of boiler combustion chamber 2.
The front of boiler combustion chamber 2 is provided with three inspection door 24 respectively, and the lower fixed surface of boiler support 1 is connected with supporting leg 25, and the quantity of supporting leg 25 is four, and four supporting legs 25 symmetry respectively set up the four corners department of boiler support 1 lower surface.
Through setting up feed hopper 19, second motor 20, axis of rotation 21, helical blade 22 and inlet pipe 23, feed hopper 19 can store the fuel, and second motor 20 drives helical blade 22 and rotates, in advancing boiler combustion chamber 2 with the fuel propelling movement at the uniform velocity, controls the input speed through the rotational speed of adjusting second motor 20, avoids the speed too fast to cause furnace to block up to the realization prevents the effect that the fuel blockked up.
The working principle is as follows: when the back-burning type high-efficiency energy-saving boiler is used, a power supply is switched on, fuel is poured into a feeding funnel 19, a second motor 20 and an automatic blower 16 are started through a PLC (programmable logic controller) 15, the second motor 20 drives a helical blade 22 to rotate, the fuel is pushed into a boiler combustion chamber 2 at a constant speed, the fuel is dried and preheated on a first grate 3 and is ignited, the fuel is reduced to fall on a second grate 4 to be continuously combusted, the automatic blower 16 sends air into the boiler combustion chamber 2 through a hearth air supply pipe 17 and a shunt pipe 6 to promote the fuel to be fully combusted and release more heat, a temperature sensor 9 detects the temperature in the boiler combustion chamber 2 and transmits the temperature to the PLC 15, the PLC 15 can control the air volume of the automatic blower 16 and the rotating speed of the second motor 20, the feeding speed is controlled by adjusting the rotating speed of the second motor 20, and hearth blockage caused by over-high speed is avoided, the back-burning type combustion mode has short preheating of fuel and full combustion, thereby enabling the boiler to have the functions of preventing blockage and saving energy efficiently.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a high-efficient energy-saving boiler of formula of burning back, includes boiler support (1), its characterized in that: the boiler comprises a boiler support (1), a boiler combustion chamber (2) fixedly connected with the inner bottom wall of the boiler combustion chamber (2), a first fire grate (3) and a second fire grate (4) fixedly connected with the inner wall of the boiler combustion chamber (2) respectively, a support frame (5) fixedly connected with the inner bottom wall of the boiler combustion chamber (2), a shunt pipe (6) fixedly connected with the upper surface of the support frame (5), an air nozzle (7) fixedly connected with the upper surface of the shunt pipe (6), an ash discharge pipe (8) fixedly connected with the lower surface of the boiler combustion chamber (2), one end, far away from the boiler combustion chamber (2), of the ash discharge pipe (8) extends to the lower surface of the boiler support (1), a threaded hole is formed in the upper surface of the boiler combustion chamber (2), a temperature sensor (9) is connected with the inner wall thread of the threaded hole, and a through hole is formed in the upper, the inner wall of the through hole is fixedly connected with an injection fire tube (10), the back of the injection fire tube (10) is fixedly connected with a first motor (11), the inner wall of the injection fire tube (10) is provided with an adjusting mechanism, the upper surface of the boiler support (1) is fixedly connected with a heat exchange water tank (12), the front of the heat exchange water tank (12) is respectively provided with a temperature meter and a pressure meter, the upper surface of the heat exchange water tank (12) is provided with a smoke exhaust pipe (13), the inner top wall and the inner bottom wall of the boiler support (1) are fixedly connected with a vertical partition plate (14), the right side surface of the vertical partition plate (14) is fixedly connected with a PLC (15), the inner bottom wall of the boiler support (1) is fixedly connected with an automatic air feeder (16), the air outlet end of the automatic air feeder (16) is fixedly connected with a hearth air supply pipe (17), and, last fixed surface of installation frame (18) is connected with feed hopper (19), left surface fixedly connected with second motor (20) of installation frame (18), the inside wall of installation frame (18) rotates and is connected with axis of rotation (21), the fixed surface of axis of rotation (21) is connected with helical blade (22), left surface fixedly connected with inlet pipe (23) of boiler support (1), the front of boiler combustion chamber (2) is provided with three inspection door (24) respectively, the lower fixed surface of boiler support (1) is connected with supporting leg (25).
2. The back-burning high-efficiency energy-saving boiler according to claim 1, characterized in that: the first grate (3) and the second grate (4) are arranged in an upper layer and a lower layer, and the first grate (3) and the second grate (4) divide the inner cavity of the boiler combustion chamber (2) into three spaces.
3. The back-burning high-efficiency energy-saving boiler according to claim 1, characterized in that: the adjusting mechanism comprises a limiting rod (26) which is rotatably connected to the inner wall of the jet fire tube (10), a blocking plate (27) is fixedly connected to the lower surface of the limiting rod (26), the specification and the size of the blocking plate (27) are matched with the inner wall of the jet fire tube (10), the back surface of the limiting rod (26) extends to the back surface of the jet fire tube (10), and the back surface of the limiting rod (26) is fixedly connected with the output end of the first motor (11).
4. The back-burning high-efficiency energy-saving boiler according to claim 1, characterized in that: shunt tubes (6) set up under second grate (4), shunt tubes (6) are the loop configuration, the quantity of air shower nozzle (7) is a plurality of, and is a plurality of air shower nozzle (7) are the upper surface that the annular array set up at shunt tubes (6), the one end fixedly connected with dust screen of shunt tubes (6) is kept away from in air shower nozzle (7).
5. The back-burning high-efficiency energy-saving boiler according to claim 1, characterized in that: one end, far away from the automatic air feeder (16), of the hearth air supply pipe (17) extends into the boiler combustion chamber (2), and one end, far away from the automatic air feeder (16), of the hearth air supply pipe (17) is fixedly connected with the surface of the shunt pipe (6).
6. The back-burning high-efficiency energy-saving boiler according to claim 1, characterized in that: feed hopper (19) set up directly over inlet pipe (23), the bottom of feed hopper (19) extends to the inside of inlet pipe (23), the left end of axis of rotation (21) and the output fixed connection of second motor (20), the one end that second motor (20) were kept away from in axis of rotation (21) extends to the inside of inlet pipe (23), helical blade (22) set up the inside at inlet pipe (23), the one end that second motor (20) were kept away from in inlet pipe (23) extends to the inside of boiler combustion chamber (2).
7. The back-burning high-efficiency energy-saving boiler according to claim 1, characterized in that: the quantity of temperature sensor (9) is a plurality of, and is a plurality of temperature sensor (9) circumference equidistance sets up the upper surface at boiler combustion chamber (2), the bottom of temperature sensor (9) extends to the interior roof of boiler combustion chamber (2), temperature sensor (9), first motor (11), second motor (20) and automatic forced draught blower (16) all pass through electric wire and PLC controller (15) electric connection.
8. The back-burning high-efficiency energy-saving boiler according to claim 1, characterized in that: the left side face of vertical baffle (14) fixedly connected with insulating layer, PLC controller (15) and automatic forced draught blower (16) all set up the right side of vertical baffle (14).
9. The back-burning high-efficiency energy-saving boiler according to claim 1, characterized in that: the number of the supporting legs (25) is four, and the supporting legs (25) are symmetrically arranged at four corners of the lower surface of the boiler support (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010821527.6A CN111911914A (en) | 2020-08-15 | 2020-08-15 | Back-burning type high-efficiency energy-saving boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010821527.6A CN111911914A (en) | 2020-08-15 | 2020-08-15 | Back-burning type high-efficiency energy-saving boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111911914A true CN111911914A (en) | 2020-11-10 |
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ID=73278021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010821527.6A Withdrawn CN111911914A (en) | 2020-08-15 | 2020-08-15 | Back-burning type high-efficiency energy-saving boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111911914A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610948A (en) * | 2020-12-17 | 2021-04-06 | 武汉蓝颖新能源有限公司 | Energy-concerving and environment-protective biomass boiler with multiple material feeding unit |
-
2020
- 2020-08-15 CN CN202010821527.6A patent/CN111911914A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610948A (en) * | 2020-12-17 | 2021-04-06 | 武汉蓝颖新能源有限公司 | Energy-concerving and environment-protective biomass boiler with multiple material feeding unit |
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Application publication date: 20201110 |
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