CN210035468U - Biomass combustion equipment capable of rotating and uniformly distributing materials - Google Patents

Abstract

The utility model discloses a rotatory biomass combustion equipment of even cloth, including spinning transmission and burner, burner is equipped with combustion chamber, furnace gate, hood grate, two-section burning transition flue, first plenum, two-section burning transition flue one end intercommunication the combustion chamber, and the other end of two-section burning transition flue is equipped with the high temperature flue gas outlet, the opening setting in combustion chamber upper portion, spinning transmission includes rotatory cloth dish, rotating electrical machines, spills the material pipe, material feeding unit includes hopper, feeding electrical machines, spiral play feed cylinder and fixed bolster; the utility model discloses mainly be through control material feeding unit pay-off volume and utilize rotatory cloth dish to change the drop point of fuel on the hood grate, make the fuel cloth even, rotatory cloth dish accessible fuel volume adjusts the rotational speed simultaneously, and the fuel of small granule is rotatory suspension burning in the stove, and the fuel of big granule falls into the first boiling burning of hood grate to improve the combustion thermal efficiency of fuel.

Description

A biomass burning equipment with uniformly rotating cloth

technical field

The utility model relates to a biomass burning device for uniformly rotating cloth, belonging to the technical field of burning furnace equipment.

Background technique

Biomass combustion equipment is a heating equipment that uses plant waste as combustion medium, which is widely used in boilers, carbonization furnaces, drying furnaces, gasifiers, die casting machines, industrial furnaces, incinerators, melting furnaces, kitchen equipment , drying equipment, food drying equipment, ironing equipment, paint baking equipment, road construction machinery and equipment, industrial annealing furnaces, asphalt heating equipment and other thermal energy industries; biomass fuel needs to be fully mixed with fuel and air during the combustion process. Make the fuel burn fully. At present, the biomass burning furnaces on the market do not use the method of seeding to evenly distribute the fuel on the hood grate. Therefore, the uneven distribution is prone to craters, resulting in insufficient combustion in the furnace and a large amount of excess air. Flue discharge, resulting in a waste of energy, and is not conducive to environmental protection, neither energy saving nor environmental protection.

Utility model content

Aiming at the deficiencies of the prior art, the purpose of the present invention is to provide a biomass burning device that rotates uniform cloth to solve the above problems.

In order to achieve the above object, the present invention is realized through the following technical solutions:

A biomass combustion equipment for uniformly rotating distribution includes a rotary material transmission device and a combustion device, wherein the combustion device is provided with a combustion chamber, a furnace door, an air cap grate, a second-stage combustion transition flue, and a first air chamber. The air cap grate is fixed at the bottom of the combustion chamber, the first air chamber is arranged at the bottom of the combustion chamber, and communicates with the air inlet of the air cap grate, and the first air chamber is provided with a plurality of The first air regulating door that can adjust the air volume independently, the furnace door is arranged on one side of the bottom of the combustion chamber and is located higher than the position of the air cap grate, and one end of the second-stage combustion transition flue is connected to the combustion chamber, and The other end of the second-stage combustion transition flue is provided with a high-temperature flue gas outlet, the upper part of the combustion chamber is opened, and a box is arranged on the top of the combustion device, and the box is communicated with the combustion device; The rotating material transmission device includes a rotating distribution plate, a rotating motor and a material spreading pipe. The rotating distribution plate is rotatably suspended in the box through a rotating shaft, and the lower part of the rotating distribution plate is connected to the combustion chamber. The upper openings are matched, the rotating motor is connected to and drives the rotating distribution disc to rotate, the material spreading pipe is composed of a vertical pipe and an inclined pipe that penetrate each other, and the upper end of the inclined pipe is rotatably sleeved with the vertical pipe. The lower end of the pipe, and the lower end of the inclined pipe is embedded in the rotating distribution pan and communicated with the combustion chamber, and the vertical pipe is located just above the center of the rotating distribution pan.

Further, it also includes a feeding device, the feeding device includes a feeding hopper, a feeding motor, a screw discharge cylinder and a fixing bracket, the fixing bracket is fixed on the top of the box body, the feeding hopper, the feeding motor, the screw The discharge cylinders are all fixed on the fixed bracket, the screw discharge cylinders are arranged laterally and at the bottom of the feeding hopper, and the middle part of the screw discharge cylinder is communicated and fixedly connected with the bottom of the feeding hopper. One end of the screw discharge cylinder is connected to the side of the vertical pipe, the feeding motor is arranged on the other end of the screw discharge cylinder and is fixed on the fixing bracket, and the inside of the screw discharge cylinder is axially arranged. A screw feeding shaft matched with its inner diameter is provided, the screw feeding shaft is fixed on the fixing bracket through a bearing seat, and is drivingly connected with the feeding motor.

Further, an air blower is also included, and the air blower communicates with the first air chamber to supply air through a pipeline.

Further, the rotating material transmission device also includes a material spraying fan, and the material spraying fan is connected to the inside of the box body through a pipeline, and at least one discharge end connected to the lower discharge end of the inclined pipe is provided inside the rotating distribution plate. The ventilation pipe communicates with the inside of the box body.

Further, the combustion device is further provided with a second air chamber, the second air chamber is arranged below the second-stage combustion transition flue, an air duct is arranged on the top of the second air chamber, and the first air chamber is disposed on the top of the second air chamber. The second air chamber is connected to the second-stage combustion transition flue through the air duct, and the second air chamber is further provided with a second air regulating door for adjusting the air volume.

Further, the number of the first air regulating doors is three.

Compared with the prior art, the utility model has the following beneficial effects:

1) Biomass fuel is made by adding biomass fuel to the feeding hopper, and then turning on the feeding motor to drive the screw feeding shaft to rotate, transferring the fuel along the screw feeding cylinder to the spreading tube, turning on the rotating motor to drive the rotating distribution disc to rotate, and dropping it along the inclined tube. The falling fuel falls on the hood grate and is distributed in a ring shape. During this process, the feeding amount of the screw feeding cylinder is controlled by controlling the feeding motor, and the annular material spreading operation of the spreading pipe is used to achieve uniform distribution of fuel on the hood grate. The effect is simple in structure and remarkable in effect;

2) The fuel contains lumps and powders. The rotating distribution disc can adjust the speed according to the amount of fuel. First, the fuel absorbs the heat released by the furnace wall in the furnace, so that the fuel can be ignited and burned, and the small particles of fuel are rotated and suspended in the furnace to burn. The large particles of fuel fall into the upper part of the hood grate for boiling and combustion, thereby improving the combustion thermal efficiency of the fuel. The air silo pressure of each first air chamber is adjusted through each first damper to send high-pressure air to the bottom of the hood grate, and the high-pressure air passes through The air inlet of the air cap grate enters, and the large pieces of fuel that fall on the air cap grate are completely mixed with the air, making it difficult for a crater to appear during combustion. The residence time greatly improves the thermal efficiency of combustion; at the same time, the air delivery volume is strictly controlled by the air supply fan to reduce the excess air entering the combustion chamber, so that the nitrogen reacts with oxygen at high temperature during combustion to reduce the formation of nitrogen oxides and achieve low nitrogen combustion emissions. standard;

3) The flue gas generated after combustion enters the second-stage combustion transition flue, adjusts the air chamber pressure in the secondary air chamber through the secondary damper, and provides combustion-supporting air along the air duct to the second-stage combustion transition flue, so as to prevent incomplete combustion. The flue gas containing fuel powder undergoes secondary combustion in the second-stage combustion transition flue, so that the fuel is burned more fully, and at the same time, the content of CO or other hydrocarbons in the high-temperature flue gas is greatly reduced, and the effect of energy saving and environmental protection is achieved. .

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings in the description of the embodiments will be described in detail below, so that other features, purposes and advantages of the present invention will become more obvious:

Fig. 1 is the longitudinal sectional structure schematic diagram of the present utility model;

Fig. 2 is the cross-sectional structure schematic diagram of the utility model;

In the picture: Combustion device-1, rotary material transmission device-2, feeding device-3, air blower-4, box body-100, combustion chamber-101, furnace door-102, air cap grate-103, second-stage combustion Transition flue-104, first air chamber-105, high temperature flue gas outlet-106, second air chamber-107, air duct-108, rotating cloth disc-201, spreading pipe-202, rotating motor-203, spray Feeding fan-204, Feeding hopper-301, Feeding motor-302, Spiral discharge cylinder-303, Spiral feeding shaft-304, Fixed bracket-305, First damper-1051, Second damper-1071, Ventilation pipe- 2011, Vertical Tube-2021, Inclined Tube-2022.

Detailed ways

In order to make the technical means, creation features, achievement goals and effects of the present invention easy to understand and understand, the present invention will be further described below with reference to the specific embodiments.

Example

Please refer to Fig. 1-2, the present utility model provides a biomass burning equipment for uniformly rotating cloth: its structure is a biomass burning equipment for uniformly rotating cloth, including a rotary material transmission device 2 and a combustion device 1, the combustion The device 1 is provided with a combustion chamber 101, a furnace door 102, an air cap grate 103, a second-stage combustion transition flue 104, and a first air chamber 105. The air cap grate 103 is fixed at the bottom of the combustion chamber 101. An air chamber 105 is arranged at the bottom of the combustion chamber 101 and communicates with the air inlet of the air cap grate 103. The first air chamber 105 is provided with three first air regulating doors 1051 that can independently adjust the air volume. The furnace door 102 is arranged on one side of the bottom of the combustion chamber 101 and is located higher than the position of the hood grate 103. One end of the second-stage combustion transition flue 104 is connected to the combustion chamber 101, and the second-stage combustion transition The other end of the flue 104 is provided with a high-temperature flue gas outlet 106, the upper part of the combustion chamber 101 is open, and a box 100 is arranged on the top of the combustion device, and the box 100 is communicated with the combustion device; the The rotating material transmission device 2 includes a rotating distribution plate 201, a rotating motor 203 and a material spreading pipe 202. The rotating distribution plate 201 is rotatably suspended in the box body 100 through a rotating shaft, and the rotating distribution plate 201 is rotatably suspended. The lower part is matched with the upper opening of the combustion chamber, the rotating motor 203 is connected to and drives the rotating distribution disc 201 to rotate, and the distribution pipe 202 is composed of a vertical pipe 2021 and an inclined pipe 2022 that pass through each other. The upper end of the pipe 2022 is rotatably sleeved with the lower end of the vertical pipe 2021, and the lower end of the inclined pipe 2022 is embedded in the rotating distribution pan 201 and communicated with the combustion chamber 101. The vertical pipe 2021 is located just above the center of the rotating distribution tray 201, and also includes a feeding device 3, the feeding device 3 includes a feeding hopper 301, a feeding motor 302, a screw discharge cylinder 303 and a fixing bracket 305, the fixing bracket 305 is fixed On the top of the box body 100 , the feeding hopper 301 , the feeding motor 302 , and the screw discharge cylinder 303 are all fixed on the fixing bracket 305 , and the screw discharge cylinder 303 is arranged horizontally and on the feeding hopper. 301 bottom, the middle part of the spiral discharge cylinder 303 communicates and is fixedly connected with the bottom of the feeding hopper 301, one end of the spiral discharge cylinder 303 is connected to the side of the vertical pipe 2021, and the feeding motor 302 is provided with On the other end of the screw discharge cylinder 303 and fixed on the fixed bracket 305, the screw discharge cylinder 303 is axially provided with a screw feed shaft 304 that matches its inner diameter, and the screw feed shaft 304 passes through. The bearing seat is fixed on the fixing bracket 305 and is drivingly connected with the feeding motor 302, and also includes an air blower 4, and the air blower 4 communicates with the first air chamber 105 through a pipeline to supply air, and the combustion device There is also a second air chamber, and the second air chamber is located in the second-stage combustion transition. Below the flue, an air duct is arranged on the top of the second air chamber, and the second air chamber is connected to the second-stage combustion transition flue through the air duct. The second damper to adjust the air volume.

As a preferred solution of the present invention, the rotating material transmission device 2 further includes a material spraying fan 204. The material spraying fan 204 is connected to the inside of the box body 100 through a pipeline, and the rotating material distribution tray 201 is provided with two A ventilation pipe 2011 communicates with the lower discharge end of the inclined pipe 2022, and the other end of the ventilation pipe 2011 is communicated with the inside of the box body; The wind in 100 will lead to the discharge end of the inclined pipe 2022 along the ventilation pipe 2011 set in the rotating distribution pan 201, and the fuel in the spray pipe 202 will be scattered by the wind force and sprinkled on the hood grate in the combustion chamber. , and at the same time, the blockage of the spreading pipe 202 is avoided.

In this embodiment, the air blower 4 and the material spraying fan 204 are both blowers.

When in use, the biomass fuel is fed into the feeding hopper 301, and the feeding motor 302 is turned on to drive the screw feeding shaft 304 to rotate. Then, by starting the rotating motor 203 to drive the rotating distribution tray 201 to rotate, the biomass fuel is dropped from the lower end of the inclined pipe 2022 and evenly distributed on the hood grate 103 in a ring shape; air pressure, high-pressure air is fed to the bottom of the hood grate 103, and the high-pressure air enters through the air inlet of the hood grate 103 and is completely mixed with the biomass fuel evenly distributed on the hood grate 103, and ignites and burns; the biomass fuel is completely burned, and the combustion After the flue gas enters the second-stage combustion transition flue 104, air is fed into the second-stage combustion transition flue 104 from the second air chamber 107 from the air duct 108 to the second-stage combustion transition flue 104 by adjusting the second damper 1071, so that the CO in the flue gas is The high temperature _flue gas after full combustion is led out through the high temperature flue gas outlet 106 of the combustion equipment 1 to supply supporting boilers, hot blast stoves, hot water stoves, carbonization furnaces, etc. Used in drying furnaces, industrial furnaces, incinerators, melting furnaces, kitchen equipment, drying equipment, etc.

The specific embodiments described herein are merely illustrative of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or supplements to the described specific embodiments or substitute in similar manners, but will not deviate from the present invention or exceed the scope of the appended claims. defined range.

Claims (6)

1. A biomass burning equipment for uniformly rotating cloth, characterized in that: comprising a rotary material transmission device (2) and a combustion device (1), and the combustion device (1) is provided with a combustion chamber (101), a furnace door ( 102), an air cap grate (103), a second-stage combustion transition flue (104), and a first air chamber (105), the air cap grate (103) is fixed at the bottom of the combustion chamber (101), and the A first air chamber (105) is provided at the bottom of the combustion chamber (101) and communicated with the air inlet of the air cap grate (103). The first air chamber (105) is provided with a plurality of independent A first damper (1051) for adjusting the air volume, the furnace door (102) is arranged on one side of the bottom of the combustion chamber (101) and is located higher than the position of the hood grate (103), and the second-stage combustion transitions One end of the flue (104) is connected to the combustion chamber (101), and the other end of the second-stage combustion transition flue (104) is provided with a high-temperature flue gas outlet (106), and an upper opening of the combustion chamber (101) is provided , a box body (100) is arranged on the top of the combustion device, and the box body (100) is communicated with the combustion device; the rotary material transmission device (2) comprises a rotary distribution plate (201), a rotary motor ( 203) and a material spreading pipe (202), the rotating distribution disc (201) is rotatably suspended in the box (100) through a rotating shaft, and the lower part of the rotating distribution disc (201) is connected to the The upper opening of the combustion chamber is matched, the rotating motor (203) is connected to and drives the rotating distribution disc (201) to rotate, and the spraying pipe (202) is composed of a vertical pipe (2021) and an inclined pipe (2022) that pass through each other. ), the upper end of the inclined pipe (2022) is rotatably sleeved with the lower end of the vertical pipe (2021), and the lower end of the inclined pipe (2022) is embedded in the rotating distribution tray (201) and communicate with the combustion chamber (101), and the vertical pipe (2021) is located just above the center of the rotating distribution pan (201). 2. The biomass burning equipment for uniformly rotating cloth according to claim 1, characterized in that it further comprises a feeding device (3), and the feeding device (3) comprises a feeding hopper (301), a feeding motor (302) ), a screw discharge cylinder (303) and a fixing bracket (305), the fixing bracket (305) is fixed on the top of the box (100), the feeding hopper (301), the feeding motor (302), The screw discharge cylinders (303) are all fixed on the fixing bracket (305), and the screw discharge cylinders (303) are arranged laterally and at the bottom of the feeding hopper (301). The screw discharge cylinders (303) ) is communicated and fixedly connected with the bottom of the feeding hopper (301), one end of the spiral discharge cylinder (303) is communicated with the side of the vertical pipe (2021), and the feeding motor (302) is provided in the The other end of the screw discharge cylinder (303) is fixed on the fixing bracket (305), and a screw feed shaft (304) matching the inner diameter of the screw discharge cylinder (303) is axially provided inside the screw discharge cylinder (303). The screw feeding shaft (304) is fixed on the fixing bracket (305) through a bearing seat and is drivingly connected with the feeding motor (302). 3. The biomass combustion equipment for uniformly rotating cloth according to claim 1, characterized in that it further comprises an air blower (4), and the air blower (4) communicates with the first air chamber through a pipeline (105) Air supply. 4. A kind of biomass combustion equipment for uniformly rotating cloth according to claim 1, characterized in that: the rotary material transmission device (2) further comprises a material injection fan (204), and the material injection fan (204) The inside of the box (100) is communicated with a pipe, and at least one ventilation pipe (2011) communicated with the lower discharge end of the inclined pipe (2022) is provided inside the rotating distribution pan, and the ventilation pipe ( 2011) communicated with the inside of the box. 5. The biomass combustion equipment for uniformly rotating cloth according to claim 1, characterized in that: the combustion device (1) is further provided with a second air chamber (107), and the second air chamber (107) ) is arranged below the second-stage combustion transition flue (104), an air duct (108) is arranged on the top of the second air chamber (107), and the second air chamber (107) passes through the air duct (108) is communicated with the second-stage combustion transition flue (104), and the second air chamber (107) is further provided with a second damper (1071) for adjusting the air volume. 6 . The biomass burning equipment for rotating uniform cloth according to claim 1 , characterized in that: the number of the first dampers ( 1051 ) is three. 7 .

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