CN216281342U

CN216281342U - Biomass burner

Info

Publication number: CN216281342U
Application number: CN202022912946.9U
Authority: CN
Inventors: 李学淑
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2022-04-12
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a biomass burner which comprises a support, a furnace body, an ash outlet, an ignition port, an observation port, a fire outlet, a top cover, a material passing pipe, a spiral feeding machine, a feeding hopper, an air supply mechanism and an air cooling mechanism. According to the utility model, the circulating water layer is arranged between the outer side wall and the inner side wall of the furnace body, the temperature of the combustion furnace is reduced, the service life of the furnace body is prolonged, and the air cooling mechanism is arranged at the fire outlet, so that the service life of the fire outlet can be prolonged.

Description

Biomass burner

Technical Field

The utility model belongs to the technical field of combustion furnaces, and particularly relates to a biomass burner.

Background

At present, for the treatment of wood chip waste, waste straw, biomass particles and the like, a combustion mode of a combustion furnace is mostly adopted, so that fuel generates heat in the combustion process for other purposes, but the following problems occur in the use process of the traditional biomass combustion furnace:

1) to automatic feeding, along with the piling up of material in the spiral feeding pipe, massive material makes helical blade card dead, and the inlet pipe blocks up, can not carry out the material loading.

2) The feeding pipe is not provided with other mechanisms to prevent flame from overflowing, only the baffle is used for preventing flame, fuel is easy to accumulate on the baffle, and if the fuel is not cleaned for a long time, flame channeling is easy to occur to cause danger.

3) The fuel enters the combustion furnace through the feeding pipe and directly falls into a pile, and the piled material is difficult to burn fully in a short time, so that black smoke is generated, and the environmental pollution is caused.

4) The oxygen supply mechanism is only provided with one oxygen supply port or is not provided with the oxygen supply mechanism, so that the fuel is not fully combusted.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a biomass burner.A circulating water layer is arranged between the outer side wall and the inner side wall of a furnace body to cool a combustion furnace, so that the service life of the furnace body is prolonged; the bottom of the combustion furnace is provided with an air supply mechanism which can perform sufficient oxygen supply combustion on scattered accumulated granular materials and prevent secondary pollution caused by insufficient combustion.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a biomass burner comprises a support, a furnace body, an ash outlet, an ignition port, an observation port, a fire outlet, a top cover, a material passing pipe, a spiral feeding machine, a feeding hopper, an air supply mechanism and an air cooling mechanism, wherein the top cover is arranged above the furnace body;

the furnace body comprises an outer side wall, an inner side wall, a circulating water layer, a hearth and a fire grate, the circulating water layer is arranged between the outer side wall and the inner side wall, an observation port is arranged on one side of the furnace body, a ventilation pipe II is arranged on the observation port, a water inlet II and a sewage discharge port are arranged at the bottom of the outer side wall of the furnace body, a water outlet II is arranged at the top of the outer side wall of the furnace body, a partition plate is arranged between the water inlet II and the water outlet II, the hearth is arranged on one side of the inner side wall of the furnace body, the fire grate is arranged at the bottom of the hearth, an ignition port is arranged on one side of the upper part of the fire grate, an ash outlet is arranged on one side of the lower part of the fire grate, a sealing door is arranged between the ignition port and the ash outlet, a feed inlet is arranged at the top of the inner side wall of the furnace body, and a fire outlet is movably connected to the furnace body; the cooling jacket is arranged on the outer side of the fire outlet and welded on the inner side wall of the furnace body, one end of the cooling jacket is provided with a connecting sleeve, the connecting sleeve is fixedly connected with the cooling jacket through bolts, the outer side of the cooling jacket is connected with the air cooling mechanism through a pipeline, the air cooling mechanism comprises a centrifugal fan II, a ventilation pipe III and an air cavity, the centrifugal fan II is connected with the cooling jacket through the ventilation pipe III, an air cavity is formed between the cooling jacket and the fire outlet pipe, and the air cavity of the fire outlet is directly communicated with the centrifugal fan II through the ventilation pipe III; one side of the furnace body is provided with an air supply mechanism.

The air supply mechanism comprises a centrifugal fan I, an air box, an oxygen supply opening, a ventilation pipe IV, an oxygen supply pipe, a ventilation pipe II and a ventilation pipe I, wherein the oxygen supply opening is formed in one side of the bottom of the grate, the air box is connected to the other side of the oxygen supply opening, the ventilation pipe IV is arranged below the grate, one end of the ventilation pipe IV is sealed, the other end of the ventilation pipe IV is fixedly communicated with the air box, a plurality of ventilation holes are formed in the ventilation pipe IV, the oxygen supply pipe is arranged above the grate and is symmetrically distributed on two sides of the air box in a folding line mode, the air box is fixedly installed on the support, the centrifugal fan I is arranged on the other side of the air box, the ventilation pipe I and the ventilation pipe II are arranged above the air box, the material feeder is fixedly communicated with the ventilation pipe I, and the observation opening is fixedly communicated with the ventilation pipe II.

Preferably, the air outlet of the ventilation pipe I is arranged above the material passing pipe, so that falling fuel can rapidly and uniformly enter the combustion furnace, and the danger caused by the fact that flame in the combustion furnace overflows through the feeding hole can be avoided.

Preferably, the observation port is provided with a ventilation pipe II, so that flame can be prevented from overflowing through the observation port to obstruct observation.

Preferably, the bottom of the support is provided with the roller, so that the combustion furnace can be moved, the field is saved, and the use is convenient.

Preferably, the protective plate is arranged on the support, so that the safety of working personnel during working is guaranteed.

Preferably, the top cap is equipped with the circulation water layer, and the circulation water layer communicates inlet I, outlet I, can cool down the protection to the top layer to retrieve waste heat resource.

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

1) a circulating water layer is arranged between the outer side wall and the inner side wall of the combustion furnace, so that the combustion furnace can be cooled and heat exchanged, the service life of the combustion furnace is prolonged, hot water after heat exchange can be recycled, and a fire outlet is provided with an air cooling mechanism so as to obtain clean hot air resources;

2) an air outlet of the ventilation pipe I is arranged above the material passing pipe, so that falling fuel can quickly and uniformly enter the combustion furnace, and the danger caused by the overflow of flame in the combustion furnace through the feed inlet can be avoided;

3) the bottom of the bracket is provided with the roller, so that the combustion furnace can move, the field is saved, and the use is convenient;

4) the spiral blade corresponding to the feed hopper is provided with a notch, so that large materials can be rotationally crushed, and the spiral feeding machine is prevented from being stuck due to accumulation of the materials;

5) the air supply mechanism is provided with an upper group of oxygen supply devices and a lower group of oxygen supply devices, so that the fuel can be fully combusted in the furnace body, and the heat efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of a biomass burner of the present invention;

FIG. 2 is a schematic view of the internal structure of a biomass burner of the present invention;

FIG. 3 is a schematic top view of a biomass burner of the present invention;

FIG. 4 is a sectional view of a biomass burner taken along the direction A-A of the present invention;

FIG. 5 is a schematic view of the internal structure of a biomass burner furnace body according to the present invention;

FIG. 6 is a schematic structural view of a biomass burner grate of the present invention;

FIG. 7 is a schematic view of a bottom structure of a grate of a biomass burner of the present invention;

FIG. 8 is a schematic structural view of a gap of a helical blade of a helical feeder of a biomass burner furnace according to the present invention;

in the figure: 10. a support; 11. a furnace body; 12. an ash outlet; 13. an ignition port; 14. a viewing port; 15. a fire outlet; 16. A top cover; 17. a material passing pipe; 18. a spiral feeder; 19. a feed hopper; 20. an air supply mechanism; 21. an air cooling mechanism; 101. A roller; 102. a guard plate; 111. a water outlet II; 112. a water inlet II; 113. a sewage draining outlet; 114. the outer side wall of the furnace body; 115. the inner side wall of the furnace body; 116. a partition plate; 117. a hearth; 118. a grate; 151. a cooling jacket; 152. connecting sleeves; 161. A feed inlet; 162. a water outlet I; 163. a water inlet I; 181. a motor; 182. opening the gap; 201. a centrifugal fan I; 202. an air box; 203. an oxygen supply port; 204. a ventilation pipe IV; 205. an oxygen supply tube; 206. a ventilation pipe II; 207. a ventilation pipe I; 211. a centrifugal fan II; 212. a ventilation pipe III; 213. and a wind cavity.

Detailed Description

For the convenience of understanding of those skilled in the art, the technical solution of the present invention will be further described in detail with reference to fig. 1 to 8.

A biomass burner comprises a support 10, a furnace body 11, an ash outlet 12, an ignition port 13, an observation port 14, a fire outlet 15, a top cover 16, a material passing pipe 17, a spiral feeding machine 18, a feeding hopper 19, an air supply mechanism 20 and an air cooling mechanism 21, wherein the top cover 16 is arranged above the furnace body 11, a water inlet I163 is arranged on one side of the top cover 16, a water outlet I162 is arranged on one side of the top cover 16, a feeding port 161 is arranged on the upper portion of the top cover 16, the feeding port 161 is connected with the material passing pipe 17 through a flange, the other end of the material passing pipe 17 is fixedly connected with the spiral feeding machine 18, a ventilation pipe I207 is arranged on one side of the spiral feeding machine 18, the other end of the spiral feeding machine is fixedly installed on the support 10, a notch 182 is arranged on a spiral blade corresponding to the bottom of the feeding hopper 19, the spiral feeding machine 18 is connected with a motor 181 through a chain wheel and a chain, the furnace body comprises a water outlet II 111, a water inlet II 112 and a water inlet II 112, The furnace comprises a sewage discharge outlet 113, a furnace body outer side wall 114, a furnace body inner side wall, a partition plate 116, a hearth 117 and a fire grate 118, wherein a circulating water layer is arranged between the furnace body outer side wall 114 and the furnace body inner side wall 115, an observation port 14 is arranged on one side of the furnace body 11, a ventilation pipe II 206 is arranged on the observation port 14, a water inlet II 112 and the sewage discharge outlet 113 are arranged at the bottom of the furnace body outer side wall 114, a water outlet II 111 is arranged at the top of the furnace body outer side wall 114, the partition plate 116 is arranged between the water inlet II 112 and the water outlet II 111, the hearth 117 is arranged on one side of the furnace body inner side wall 115, the fire grate 118 is arranged at the bottom of the hearth 117, an ignition port 13 is arranged on one side of the upper part of the fire grate 118, an ash outlet 12 is arranged on one side of the lower part of the fire grate 118, a sealing door is arranged between the ignition port 13 and the ash outlet 12, a feed inlet 161 is arranged at the top of the furnace body inner side wall 115, a fire outlet 15 is movably connected to the furnace body 11; a cooling jacket 151 is arranged on the outer side of the fire outlet 15, the cooling jacket 151 is welded on the inner side wall 115 of the furnace body, one end of the cooling jacket 151 is provided with a connecting sleeve 152, the connecting sleeve 152 is fixedly connected with the cooling jacket 151 through a bolt, the outer side of the cooling jacket 151 is connected with an air cooling mechanism 21 through a pipeline, the air cooling mechanism 21 comprises a centrifugal fan II 211, a ventilating pipe III 212 and an air cavity 213, the centrifugal fan II 211 is connected with the cooling jacket 151 through the ventilating pipe III 212, the air cavity 213 is formed between the cooling jacket 151 and the fire outlet 15, and the air cavity 213 of the fire outlet 15 is directly communicated with the centrifugal fan II 211 through the ventilating pipe III 212; an air supply mechanism 20 is arranged at one side of the furnace body 11.

The air supply mechanism 20 comprises a centrifugal fan I201, an air box 202, an oxygen supply opening 203, a ventilation pipe IV 204, an oxygen supply pipe 205, a ventilation pipe II 206 and a ventilation pipe I207, wherein the oxygen supply opening 203 is formed in one side of the bottom of the grate 118, the other side of the oxygen supply opening 203 is connected with the air box 202, the ventilation pipe IV 204 is arranged below the grate 118, one end of the ventilation pipe IV 204 is closed, the other end of the ventilation pipe IV 204 is fixedly communicated with the air box 202, a plurality of ventilation holes are formed in the ventilation pipe IV 204, the oxygen supply pipe 205 is arranged above the grate 118 and symmetrically distributed on two sides of the air box 202 in a broken line mode, the air box 202 is fixedly installed on the support 10, the centrifugal fan I201 is arranged on the other side of the air box 202, the ventilation pipe I207 and the ventilation pipe II 206 are arranged above the air box 202, the ventilation pipe I207 is fixedly communicated with the spiral feeding machine 18, and the ventilation pipe II 206 is fixedly communicated with the observation opening 14.

The air outlet of the ventilation pipe I207 is arranged above the material passing pipe 17, so that falling fuel can rapidly and uniformly enter the combustion furnace, and the danger caused by the fact that flame in the combustion furnace overflows through a feeding hole can be avoided.

The observation port 14 is provided with a ventilation pipe II 206 which can prevent flame from overflowing through the observation port to obstruct observation.

The bottom of the support 10 is provided with the roller 101, so that the combustion furnace can be moved, the field is saved, and the use is convenient.

The protective plate 102 is arranged on the support 10, so that the safety of working personnel during working is guaranteed.

The top cover 16 is provided with a circulating water layer, the circulating water layer is communicated with the water inlet I and the water outlet I, the top layer can be cooled and protected, and waste heat resources are recycled.

A biomass burner comprises the following working processes: the combustion furnace is placed at a proper position, the combustion furnace is started, fuel is poured into a feed hopper 19, massive fuel can be crushed and conveyed through a notch 182 arranged on a spiral blade, the fuel is prevented from blocking a spiral feeding machine 18, the spiral feeding machine 18 conveys the fuel to the upper part of a furnace body 11, the fuel enters the interior of the furnace body 11 through a material passing pipe 17, an ignition port 13 is opened for ignition, the combustion is started, cooling water respectively starts to enter water from a water inlet I163 and a water inlet II 112, the water after heat exchange flows out from a water outlet I162 and a water outlet II 111 for use, a centrifugal fan I201 blows air into a wind box 202 for shunting, part of the air supplies oxygen to the bottom of the combustion furnace through an oxygen supply port 203, part of the air supplies oxygen to the lower part of the combustion furnace through an oxygen supply pipe 205, the oxygen supply pipe 205 is distributed in a crossed manner, swirl airflow can be formed in the interior of the furnace body 11, the fuel is combusted more fully, and part of the air blows a fire grate 118 through a ventilation pipe IV 204, part of air blows the observation port 14 through the ventilation pipe II 206 to prevent flame from overflowing, and part of air blows the ventilation pipe 17 through the ventilation pipe I207 to prevent fuel from falling into a pile to cause insufficient combustion; the centrifugal fan II 211 blows clean air into the air cavity 213 through the vent pipe III 212 to cool the fire outlet 15; after the combustion furnace works for a period of time, the ash outlet 12 at the bottom of the furnace body 11 is opened, bottom dust is drawn out, the sewage outlet 113 is opened, and sewage at the bottom of the circulating water layer is discharged.

The foregoing is merely exemplary and illustrative of the present invention, and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a biomass burner, includes support, furnace body, ash hole, ignition mouth, viewing aperture, goes out the fire hole, top cap, leads to the material pipe, spiral material loading machine, feeder hopper, air supply mechanism, air-cooled mechanism, its characterized in that the furnace body top is equipped with the top cap, and top cap upper portion is equipped with the feed inlet, and the feed inlet leads to the material pipe through flange joint, leads to the glassware on the material pipe other end fixed connection spiral, one side is equipped with ventilation pipe I on the glassware on the spiral, other end fixed mounting feeder hopper, feeder hopper upper end fixed mounting on the support, and the feeder hopper bottom is equipped with the feed entry, is equipped with the cross-section fracture on the helical blade of feed entry one side, and the glassware passes through the sprocket and is connected the motor with the chain on the spiral.

2. The biomass burner according to claim 1, wherein the furnace body comprises an outer side wall, an inner side wall, a circulating water layer, a furnace chamber and a fire grate, the circulating water layer is arranged between the outer side wall and the inner side wall, an observation port is arranged on one side of the furnace body, a ventilation pipe II is arranged on the observation port, a water inlet II and a sewage outlet are arranged at the bottom of the outer side wall of the furnace body, a water outlet II is arranged at the top of the outer side wall of the furnace body, a partition plate is arranged between the water inlet II and the water outlet II, the furnace chamber is arranged on one side of the inner side wall of the furnace body, the fire grate is arranged at the bottom of the furnace chamber, an ignition port is arranged on one side of the upper part of the fire grate, an ash outlet is arranged on one side of the lower part of the fire grate, and a sealing door is arranged on the ignition port and the ash outlet.

3. The biomass burner of claim 1, wherein the air supply mechanism comprises a centrifugal fan I, an air box, an oxygen supply port, a ventilation pipe IV, an oxygen supply pipe, a ventilation pipe II and a ventilation pipe I, the oxygen supply port is arranged on one side of the bottom of the fire grate, the other side of the oxygen supply port is connected with the air box, the ventilation pipe IV is arranged below the fire grate, one end of the ventilation pipe IV is closed, the other end of the ventilation pipe IV is fixedly communicated with the air box, a plurality of ventilation holes are formed in the ventilation pipe IV, the oxygen supply pipe is arranged above the fire grate and symmetrically distributed on two sides of the air box in a broken line manner, the air box is fixedly installed on the support, the centrifugal fan I is arranged on the other side of the air box, the ventilation pipe I and the ventilation pipe II are arranged above the air box, the ventilation pipe I is fixedly communicated with the spiral feeder, and the ventilation pipe II is fixedly communicated with the observation port.

4. The biomass burner of claim 1, wherein rollers are disposed on the bottom of the support.

5. The biomass burner of claim 1, wherein said frame is provided with a guard plate.

6. The biomass burner as recited in claim 1, wherein the top cover has a water inlet I on one side and a water outlet I on one side.

7. The biomass burner of claim 1, wherein the cross-sectional cut is 10-15 cm in length.

8. The biomass burner according to claim 6, wherein the top cover is provided with a circulating water layer, and the circulating water layer is communicated with the water inlet I and the water outlet I.

9. The biomass burner according to claim 2, wherein a fire outlet is provided at one side of the inner side wall, and the fire outlet is movably connected to the furnace body; the cooling jacket is arranged on the outer side of the fire outlet and welded on the inner side wall of the furnace body, one end of the cooling jacket is provided with a connecting sleeve, the connecting sleeve is fixedly connected with the cooling jacket through bolts, the outer side of the cooling jacket is connected with the air cooling mechanism through a pipeline, the air cooling mechanism comprises a centrifugal fan II, a ventilation pipe III and an air cavity, the centrifugal fan II is connected with the cooling jacket through the ventilation pipe III, an air cavity is formed between the cooling jacket and the fire outlet pipe, and the air cavity of the fire outlet is directly communicated with the centrifugal fan II through the ventilation pipe III; one side of the furnace body is provided with an air supply mechanism.

10. The biomass burner of claim 1, wherein the vent of the vent pipe I is disposed above the vent pipe.