CN214064961U

CN214064961U - Biomass combustion boiler

Info

Publication number: CN214064961U
Application number: CN202022782556.4U
Authority: CN
Inventors: 庄海鹏
Original assignee: Dongguang Dingxin Boiler Manufacturing Co ltd
Current assignee: Dongguang Dingxin Boiler Manufacturing Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-08-27
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a biomass combustion boiler, which comprises a feeding device, a screw feeder and a boiler body, wherein the feeding device is arranged at the top end of one side of the screw feeder, a second motor is arranged at one side of the screw feeder, the second motor is arranged at the top end of a second support, an air blower is arranged under the screw feeder, the other side of the screw feeder is fixed at the top end of one side of the boiler body, the other side of the boiler body is provided with a dust removal chamber, the other side of the dust remover is provided with a harmful gas absorption tank, the top end of the harmful gas absorption tank is provided with a smoke exhaust port, the fuel can be crushed through the arranged feeding device and a moving screen, impurities at the screen position are arranged, the utilization rate of the fuel is improved, the arranged first combustion chamber and the second combustion chamber can fully combust the fuel, the thermal efficiency is improved, the arranged dust remover and the harmful gas absorption tank can absorb dust and harmful gas, and the pollution is reduced.

Description

Biomass combustion boiler

Technical Field

The utility model belongs to the technical field of living beings, what specifically be discloses a biomass burning boiler.

Background

Biomass refers to various organisms formed by photosynthesis, including all animals and plants and microorganisms. The biomass energy is the energy form that solar energy is stored in biomass in the form of chemical energy, is one of important energy sources which human beings rely on for survival, is the fourth largest energy source after coal, petroleum and natural gas, plays an important role in the whole energy system and comprises plants, animals and organisms. The uniqueness of biomass lies in that the biomass can store solar energy and is a renewable carbon source which can be converted into conventional solid, liquid and gaseous fuels, energy sources such as coal, petroleum, natural gas and the like are also converted from biomass energy, and in various renewable energy sources, the development of various renewable energy sources is limited and questioned due to potential ecological environment risks of nuclear energy and large-scale water and electricity and regional resource constraints such as wind energy, geothermal energy and the like, while the biomass energy is approved by people due to the characteristics of ubiquity, richness, renewability and the like.

The utility model discloses a biomass combustion pot of authorizing bulletin number CN208475313U, including feeding mechanism, air feed mechanism, chassis mechanism and boiler, feeding mechanism sets up the top at air feed mechanism, the boiler sets up at feeding mechanism and air feed mechanism's right-hand, chassis mechanism sets up the below at feeding mechanism, air feed mechanism and boiler, feeding mechanism includes hopper, first pay-off mouth, screw feeder, motor and second pay-off mouth, air feed mechanism includes fan, bellows and tuber pipe, chassis mechanism includes bottom plate and universal wheel, the boiler includes boiler shell and boiler inner bag, the utility model discloses simple structure, combustion efficiency is high, is a novel biomass combustion boiler.

However, the existing biomass burning pot has a series of problems of too coarse feeding, incomplete burning, lower resource utilization rate, emission of polluted gas, inconvenience in collection of waste residues and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a biomass combustion boiler to solve the burning thoroughly, resource utilization is low, causes air pollution, the inconvenient problem of arranging the sediment.

In order to achieve the above object, the utility model provides a following technical scheme: a biomass combustion boiler comprises a feeding device, a screw feeder and a boiler body, wherein the feeding device is used for crushing and screening fuel, the screw feeder conveys the screened fuel to the boiler, the feeding device is installed at the top end of one side of the screw feeder, a second motor is installed at one side of the screw feeder, an output shaft of the second motor is connected with a rotating shaft of the screw feeder to provide power for the screw feeder, the second motor is installed at the top end of a second support, an air blower is arranged under the screw feeder and can provide air for boiler combustion to improve combustion efficiency, the other side of the screw feeder is fixed at the top end of one side of the boiler body, a dust remover is arranged at the other side of the boiler body and can remove dust generated after fuel combustion, and a harmful gas absorption tank is arranged at the other side of the dust remover, the harmful gas absorption tank is used for absorbing pollution gas of exhausted smoke, and a smoke exhaust port is formed in the top end of the harmful gas absorption tank.

Preferably, feed arrangement includes hopper and crushing roller, and the crushing roller can be smashed the fuel, can make its abundant burning, be provided with the motion screen cloth under the crushing roller, the impurity in the fuel can be filtered to the motion screen cloth, the bottom at motion screen cloth both ends is provided with the backup pad, the top at screw feeder is installed to the backup pad, through spring coupling between motion screen cloth and the backup pad, can make the regular vibration of making a round trip of motion screen cloth through the spring, one side of motion screen cloth is provided with first motor, and first motor provides power for the vibration of motion screen cloth, install the eccentric wheel on the output shaft of first motor, the pivot of eccentric wheel passes through the bearing and installs on the motion screen cloth, through first motor installs the top at first pillar, the top at screw feeder is installed to first pillar.

Preferably, a screw machine rotating wheel is arranged in the screw feeder, a boiler feeding port is formed in the bottom, close to one side of the boiler body, of the screw machine rotating wheel, the screened fuel can be conveyed to the boiler feeding port through the screw machine rotating wheel, the fuel is enabled to be distributed uniformly and not to be too dense, and the boiler feeding port is an inlet for conveying the fuel to the boiler.

Preferably, the air blower is provided with bellows on one side close to the boiler body, the top of bellows is equipped with first air-supply line and communicates with each other with the boiler pay-off mouth, and first air-supply line can provide sufficient air for the boiler and make the burning more abundant, also can send into the boiler with fuel fast, the bellows is equipped with one side that the second air-supply line communicates with each other with the waste residue room, and the second air-supply line can be more clean of the waste residue clearance of waste residue room.

Preferably, a high-speed fan is arranged in the boiler body, the high-speed fan is used for fully disturbing fuel and fully contacting with air for combustion, the channel of the high-speed fan is arranged at an inlet of a feeding port of the boiler, a first combustion chamber is arranged on the other side of the channel of the high-speed fan and is used for burning the fuel for the first time, a steam chamber is arranged at the top of the first combustion chamber, a steam outlet is arranged at the top of the steam chamber, a steam valve is arranged on the steam outlet and is convenient to control the steam outlet, a second combustion chamber is arranged on the other side in the boiler body and is used for preventing partial fuel from being insufficiently combusted so as to improve the heat utilization rate of the fuel, the second combustion chamber is communicated with the first combustion chamber, a heating chamber is arranged at the top of the second combustion chamber and is used for fully utilizing residual heat, heated hot water enters the steam chamber, and a water filling port is arranged at the top of the heating chamber, the water filling valve is arranged on the water filling port, and the water inlet pipe is arranged between the heating chamber and the steam chamber.

Preferably, the bottom of boiler body is equipped with the waste slag room, be equipped with spiral mucking machine in the waste slag room, spiral mucking machine makes things convenient for taking out from the waste slag room of waste slag, the opposite side of waste slag room is equipped with the interface of slagging tap, and the interface of slagging tap has connect the waste slag container specially, avoids polluting, be equipped with first grate between waste slag room and the first combustion chamber, be equipped with the second grate between waste slag room and the second combustion chamber, the waste slag after first grate and the second grate will burn falls into the waste slag room.

Preferably, the first motor, the second motor, the air blower, the high-speed fan and the spiral slag extractor are all connected with the master control box through leads, each electric appliance can be controlled through the master control box, and control of the device is facilitated.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the feeding device and the moving screen, the fuel can be crushed, impurities at the screen can be screened, and the utilization rate of the fuel can be improved;

2. the first combustion chamber and the second combustion chamber are arranged, so that fuel can be fully combusted, and the heat efficiency is improved;

3. the dust collector and the harmful gas absorption tank are arranged, so that dust and harmful gas can be absorbed, and pollution is reduced.

Drawings

FIG. 1 is a front view, partially in section, of the present invention;

fig. 2 is a cross-sectional view of the feeding device of the present invention.

In the figure: 1. a feeding device; 2. a hopper; 3. a grinding wheel; 4. moving the screen; 5. a first motor; 6. An eccentric wheel; 7. a spring; 8. a support plate; 9. a first support; 10. a second motor; 11. a second support; 12. a boiler feed port; 13. a screw machine runner; 14. a blower; 15. an air box; 16. a first air inlet pipe; 17. a second air inlet pipe; 18. a high-speed fan; 19. a waste residue chamber; 20. a first grate; 21. A spiral slag discharging machine; 22. a second grate; 23. a slag tapping interface; 24. a dust remover; 25. a harmful gas absorption tank; 26. a smoke outlet; 27. a second combustion chamber; 28. a heating chamber; 29. a water filling port; 30. a water adding valve; 31. a water inlet pipe; 32. a first combustion chamber; 33. a steam chamber; 34. a steam outlet; 35. a steam valve; 36. a screw feeder; 37. a boiler body; 38. and (4) a master control box.

Detailed Description

Referring to fig. 1 and 2, a biomass combustion boiler comprises a feeding device 1, a screw feeder 36 and a boiler body 37, wherein the feeding device 1 can crush and screen fuel, the screw feeder 36 conveys the screened fuel to the boiler, the feeding device 1 is installed at the top end of one side of the screw feeder 36, a second motor 10 is installed at one side of the screw feeder 36, an output shaft of the second motor 10 is connected with a rotating shaft of the screw feeder 36 to provide power for the screw feeder 36, the second motor 10 is installed at the top end of a second pillar 11, an air blower 14 is arranged right below the screw feeder 36, the air blower 14 provides sufficient air for the boiler to improve combustion efficiency, the other side of the screw feeder 36 is fixed at the top end of one side of the boiler body 37, a dust remover 24 is arranged at the other side of the boiler body 37, and the dust remover 24 can remove dust generated after fuel is combusted, the other side of the dust remover 24 is provided with a harmful gas absorption tank 25, the harmful gas absorption tank 25 can absorb harmful gas and reduce pollution of discharged gas, and the top end of the harmful gas absorption tank 25 is provided with a smoke outlet 26.

Referring to fig. 1 and 2, a feeding device 1 comprises a hopper 2 and a crushing wheel 3, the power of the crushing wheel 3 is a 220V servo motor, the crushing wheel 3 can crush fuel and make the fuel fully burn, a moving screen 4 is arranged right below the crushing wheel 3, the moving screen 4 can filter impurities in the fuel, support plates 8 are arranged at the bottoms of two ends of the moving screen 4, the support plates 8 are arranged at the top end of a screw feeder 36, the moving screen 4 is connected with the support plates 8 through springs 7, the moving screen 4 can regularly vibrate back and forth through the springs 7 to better filter the impurities, a first motor 5 is arranged at one side of the moving screen 4, the first motor 5 provides power for the moving screen 4, an eccentric wheel 6 is arranged on an output shaft of the first motor 5, a rotating shaft of the eccentric wheel 6 is arranged on the moving screen 4 through a bearing, the rotating of the eccentric wheel 6 makes the moving screen 4 vibrate, the first motor 5 is mounted on the top end of the first support 9, and the first support 9 is mounted on the top end of the screw feeder 36.

Referring to fig. 1, a screw feeder wheel 13 is arranged in the screw feeder 36, a boiler feeding port 12 is arranged at the bottom of one side of the screw feeder wheel 13 close to the boiler body 37, the screw feeder wheel 13 can convey the screened fuel to the boiler feeding port 12, so that the fuel is uniformly distributed and is not too dense, and the boiler feeding port 12 is an inlet for conveying the fuel to the boiler.

Referring to fig. 1, an air box 15 is arranged on one side of a blower 14 close to a boiler body 37, a first air inlet pipe 16 is arranged at the top of the air box 15 and communicated with a boiler feed port 12, the first air inlet pipe 16 can provide enough air for the boiler to enable the boiler to burn more fully, and can also enable fuel to be fed into the boiler feed port 12 quickly, a second air inlet pipe 17 arranged on the air box 15 is communicated with one side of a waste slag chamber 19, and the second air inlet pipe 17 can enable waste slag in the waste slag chamber 19 to be cleaned more cleanly.

Referring to fig. 1, a high-speed fan 18 is arranged in a boiler body 37, the high-speed fan 18 breaks up fuel sufficiently and contacts air sufficiently to burn more completely, the high-speed fan 18 is arranged at an inlet of a boiler feed port 12, a first combustion chamber 32 is arranged on the other side of the high-speed fan 18, the first combustion chamber 32 is used for burning fuel for the first time, a steam chamber 33 is arranged at the top of the first combustion chamber 32, a steam outlet 34 is arranged at the top of the steam chamber 33, a steam valve 35 is arranged on the steam outlet 34, the steam valve 35 is convenient to control the steam outlet 34, a second combustion chamber 27 is arranged on the other side of the interior of the boiler body 37, the second combustion chamber 27 prevents partial fuel from being burnt insufficiently to improve the combustion heat utilization rate of the fuel, the second combustion chamber 27 is communicated with the first combustion chamber 32, a heating chamber 28 is arranged at the top of the second combustion chamber 27, and a water filling port 29 is arranged at the top of the heating chamber 28, the water filling port 29 is provided with a water filling valve 30, the water filling valve 30 can conveniently control the injected water, a water inlet pipe 31 is arranged between the heating chamber 28 and the steam chamber 33, and the hot water heated by the heating chamber 28 enters the steam chamber 33 through the water inlet pipe 31.

Referring to fig. 1, a waste slag chamber 19 is arranged at the bottom of a boiler body 37, a spiral slag discharging machine 21 is arranged in the waste slag chamber 19, the spiral slag discharging machine 21 facilitates taking out of waste slag from the waste slag chamber 19, a slag discharging interface 23 is arranged on the other side of the waste slag chamber 19, the slag discharging interface 23 is specially connected with a waste slag container, waste slag enters the waste slag container to avoid pollution, a first grate 20 is arranged between the waste slag chamber 19 and a first combustion chamber 32, a second grate 22 is arranged between the waste slag chamber 19 and a second combustion chamber 27, and the first grate 20 and the second grate 22 enable the combusted waste slag to fall into the waste slag chamber 19.

Referring to fig. 1, a first motor 5, a second motor 10, a blower 14, a high-speed fan 18 and a spiral slag extractor 21 are all connected with a master control box 38 through conducting wires, the first motor 5 is a YE series low-speed motor, the second motor 10 is a 220v speed regulating motor, the operation is stable and reliable, the blower 14 is a D53 high-pressure fan, the spiral slag extractor 21 is controlled by the 220v speed regulating motor, the first motor 5, the blower 14 and the high-speed fan 18 control the start-up or shutdown of three electric appliances through a switch, the second motor 10 is provided with an independent speed regulating switch, the spiral slag extractor 21 is also provided with an independent speed regulating switch, and the three switches are all installed in the master control box 38.

The working principle of the scheme is as follows: when the boiler starts to work, the slag outlet port 23 is connected into a waste slag collecting container, an electric switch of the main control box 38 is turned on, fuel is poured into the feeding device 1, the fuel is crushed and screened out and falls into the screw feeder 36 and is conveyed to the boiler feeding port 12 through the screw feeder rotating wheel 13, air discharged from the first air inlet pipe 16 and the fuel enter the high-speed fan 18, then the fuel is fully combusted in the first combustion chamber 32 and the second combustion chamber 27, the waste slag is collected into the waste slag container from the waste slag chamber 19 through the screw slag discharging machine 21, then waste gas with dust is combusted and passes through the dust remover 24 and the harmful gas absorption tank 25, the dust and the harmful gas are absorbed, and other waste gas is discharged through the smoke outlet 26.

Claims

1. A biomass combustion boiler, includes feed arrangement (1), screw feeder (36) and boiler body (37), its characterized in that: the top end of screw feeder (36) one side is installed in feed arrangement (1), second motor (10) are installed to one side of screw feeder (36), the top in second pillar (11) is installed in second motor (10), be provided with air-blower (14) under screw feeder (36), the top of boiler body (37) one side is fixed to the opposite side of screw feeder (36), the opposite side of boiler body (37) is provided with dust remover (24), the opposite side of dust remover (24) is provided with harmful gas absorption tank (25), the top of harmful gas absorption tank (25) is equipped with exhaust port (26).

2. A biomass burning boiler according to claim 1, characterized in that: feed arrangement (1) includes hopper (2) and crushing roller (3), be provided with motion screen cloth (4) under crushing roller (3), the bottom at motion screen cloth (4) both ends is provided with backup pad (8), install the top at screw feeder (36) backup pad (8), be connected through spring (7) between motion screen cloth (4) and backup pad (8), one side of motion screen cloth (4) is provided with first motor (5), install eccentric wheel (6) on the output shaft of first motor (5), the pivot of eccentric wheel (6) is passed through the bearing and is installed on motion screen cloth (4), the top at first pillar (9) is installed in first motor (5), the top at screw feeder (36) is installed in first pillar (9).

3. A biomass burning boiler according to claim 1, characterized in that: a screw machine rotating wheel (13) is arranged in the screw feeder (36), and a boiler feeding port (12) is arranged at the bottom of one side, close to the boiler body (37), of the screw machine rotating wheel (13).

4. A biomass burning boiler according to claim 1, characterized in that: one side of the air blower (14) close to the boiler body (37) is provided with an air box (15), the top of the air box (15) is provided with a first air inlet pipe (16) which is communicated with the boiler feeding port (12), and the air box (15) is provided with a second air inlet pipe (17) which is communicated with one side of the waste slag chamber (19).

5. A biomass burning boiler according to claim 1, characterized in that: a high-speed fan (18) is arranged in the boiler body (37), the channel of the high-speed fan (18) is arranged at the inlet of the boiler feeding port (12), a first combustion chamber (32) is arranged at the other side of the channel of the high-speed fan (18), a steam chamber (33) is arranged at the top of the first combustion chamber (32), a steam outlet (34) is arranged at the top of the steam chamber (33), a steam valve (35) is arranged on the steam outlet (34), a second combustion chamber (27) is arranged at the other side in the boiler body (37), the second combustion chamber (27) is communicated with the first combustion chamber (32), the top of the second combustion chamber (27) is provided with a heating chamber (28), a water filling port (29) is arranged at the top of the heating chamber (28), a water filling valve (30) is arranged on the water filling port (29), a water inlet pipe (31) is arranged between the heating chamber (28) and the steam chamber (33).

6. A biomass burning boiler according to claim 1, characterized in that: the bottom of boiler body (37) is equipped with waste slag room (19), be equipped with spiral mucking machine (21) in waste slag room (19), the opposite side of waste slag room (19) is equipped with interface (23) of slagging tap, be equipped with first grate (20) between waste slag room (19) and first combustion chamber (32), be equipped with second grate (22) between waste slag room (19) and second combustion chamber (27).