CN218478709U

CN218478709U - Biomass pyrolysis gasifier

Info

Publication number: CN218478709U
Application number: CN202121138782.7U
Authority: CN
Inventors: 陈向阳
Original assignee: Zhejiang Tengjing Environmental Protection Technology Co ltd
Current assignee: Zhejiang Tengjing Environmental Protection Technology Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2023-02-14
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a biomass pyrolysis gasification furnace, which comprises a furnace body, a feeding device arranged on the furnace body and a secondary combustion chamber arranged at the top of the furnace body; the feeding device comprises a feeding hole, and the feeding hole is vertically arranged on the furnace body; the material pushing assembly is arranged at the bottom of the feeding hole; the conveying assembly is arranged below the pushing assembly; wherein, the gasification furnace also comprises a temperature adjusting device; the temperature adjusting device comprises an air equalizing grid arranged at the joint of the furnace body and the second combustion chamber; the air-equalizing grille is provided with air ducts which are uniformly distributed; the air duct is arranged at an inclination angle with the vertical direction. The method is characterized by comprising a method of arranging a material pushing assembly, a conveying assembly and an air equalizing grating. The reaction is stable, and the production cost is reduced; the problem of accumulation and the waste of raw materials cannot occur.

Description

Biomass pyrolysis gasifier

Technical Field

The utility model belongs to the technical field of living beings pyrolysis equipment and specifically relates to a living beings pyrolysis gasifier.

Background

The biomass pyrolysis gasification is a process of pyrolyzing, oxidizing, reducing and reforming high polymers of biomass under certain thermodynamic conditions by the action of air (or oxygen) and steam, and finally converting the high polymers into combustible gases such as carbon monoxide, hydrogen and low molecular hydrocarbons, and is a common way for generating energy.

Due to the structural particularity of the existing biomass pyrolysis gasification furnace, the problem of accumulation can occur after biomass raw materials enter the existing biomass pyrolysis gasification furnace, so that the gasification of the biomass is not thorough, and the waste of resources is caused; the ash is not smoothly discharged, so that the processing efficiency is influenced; and the prior art has the problems of unstable reaction and the like.

For example, a filtering system of a biomass gasification furnace disclosed in the Chinese patent literature, which is published under the number CN203794850U; in this patent, an environmentally friendly treatment and purification device for biomass gasification furnaces is disclosed. The utility model provides a clean system is strained to living beings gasification burner, includes the living beings gasification burner, the gas outlet of living beings gasification burner communicate in proper order and have one-level dust removal pipeline, cyclone, tar of vertical setting to strain clean device and draught fan, tar strain clean device include inclosed strain clean casing, vertical setting in strain clean casing multichannel stainless steel wire ball strain clean layer, set up inlet port and the venthole at strain clean casing bottom and top respectively. In the patent, the gasification furnace is cylindrical, biomass raw materials are easy to accumulate, the gasification is not thorough, and the raw materials are wasted; ash and slag are all accumulated at the bottom, so that blockage is easy to generate; the generated gas is not uniform, the reaction is unstable, and the subsequent equipment is not beneficial to processing and use.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a method for setting a material pushing component, a conveying component and a gas-equalizing grille; the reaction is stable, and the production cost is reduced; the problem of accumulation and the waste of raw materials cannot occur.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

a biomass pyrolysis gasifier comprises a furnace body, a feeding device arranged on the furnace body and a secondary combustion chamber arranged at the top of the furnace body; the feeding device comprises a feeding hole, and the feeding hole is vertically arranged on the furnace body; the material pushing assembly is arranged at the bottom of the feed port; the conveying assembly is arranged below the pushing assembly; wherein, the gasification furnace also comprises a temperature adjusting device; the temperature adjusting device comprises an air equalizing grid arranged at the joint of the furnace body and the second combustion chamber; the air-equalizing grille is provided with air ducts which are uniformly distributed; the air duct is arranged at an inclination angle with the vertical direction. After the biomass raw material enters the feeding hole, the biomass raw material is pushed little by little under the action of the pushing assembly, the biomass raw material is pushed to the conveying assembly and conveyed to each position in the furnace body, the pushing assembly can control the pushing amount, so that the uniformity of the raw material on the conveying assembly is ensured, and the arrangement of the mode can ensure that the raw material is laid thinly, so that the reaction is complete, the accumulation condition cannot occur, the transmission is reliable, and the cost is reduced; moreover, the arrangement of the gas-equalizing grid ensures the uniformity and uniform distribution of gas entering the secondary combustion chamber, thereby ensuring stable and sufficient combustion; the gas guide pipe can determine an inclination angle according to the shape of the furnace body in actual use, so that pyrolysis gas in the active region is inclined to the inactive region, the gas is uniformly distributed, and the furnace is flexible and multipurpose; and the setting of the gas-equalizing grid forms relatively independent space, which is beneficial to pyrolysis and gasification.

Furthermore, the middle part of the air duct is arranged in a divergent manner from bottom to top to the periphery; the peripheral parts of the air ducts are vertically arranged. The arrangement of the angle conveys the middle pyrolysis gas to two sides, and the uniformity of the gas is ensured.

Furthermore, the inside soda pipeline that is equipped with of air-equalizing grid. The steam-water pipeline can adjust the temperature, and ensures the stable operation of the equipment.

Furthermore, one side of the conveying assembly, which is far away from the material pushing assembly, is provided with a slag outlet. The slag hole is arranged, ash accumulation can not be generated, the use is convenient, and the design is reasonable.

Furthermore, an inclined plane is arranged at the bottom of the feed inlet. The biomass raw material is convenient to fall, the blockage is not easy to occur, and the production efficiency is improved.

Furthermore, a layer of refractory material is arranged on the outer side of the air-equalizing grid. So that the pyrolysis gasification zone is relatively adiabatic.

Further, the conveying assembly is in chain transmission. Simple structure, reliable transmission and low use cost.

Compared with the prior art, the utility model has the advantages that: the reaction is stable, and the production cost is reduced; the problem of accumulation and the waste of raw materials can not occur.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is the internal schematic view of the air-equalizing grille of the present invention.

Fig. 3 is a schematic view of the arrangement of the airway tube of the present invention.

In the figure:

1. a furnace body; 2. a feeding device; 3. a second combustion chamber; 4. a feed inlet; 5. a material pushing assembly; 6. a transfer assembly; 7. an air-equalizing grid; 8. a gas-guide tube; 9. a steam-water pipeline; 10. a slag outlet; 11. a bevel.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 and fig. 3, an embodiment of the biomass pyrolysis gasifier of the present invention, in this embodiment, the biomass pyrolysis gasifier includes a furnace body 1, a feeding device 2 disposed on the furnace body 1, and a secondary combustion chamber 3 disposed on the top of the furnace body 1; the feeding device 2 comprises a feeding hole 4, a pushing assembly 5 and a conveying assembly 6, and the feeding hole 4 is vertically arranged on the furnace body 1; the pushing assembly 5 is arranged at the bottom of the feeding hole 4; the conveying assembly 6 is arranged below the pushing assembly 5; wherein, the gasification furnace also comprises a temperature adjusting device; the temperature adjusting device comprises an air equalizing grid 7 arranged at the joint of the furnace body 1 and the secondary combustion chamber 3; the air-equalizing grille 7 is provided with air ducts 8 which are uniformly distributed; the air duct 8 is arranged at an inclination angle with the vertical direction. After the biomass raw material enters the feeding port 4, the biomass raw material is pushed little by little under the action of the pushing component 5, the biomass raw material is pushed to the conveying component 6 and conveyed to all positions in the furnace body 1, the pushing component 5 can control the pushing amount, the raw material uniformity on the conveying component 6 is ensured, and the arrangement of the mode can ensure that the raw material laying is thinner, so that the reaction is complete, the accumulation condition can not occur, the transmission is reliable, and the cost is reduced; moreover, the arrangement of the gas-equalizing grid 7 ensures the uniformity and uniform distribution of the gas entering the secondary combustion chamber 3, thereby ensuring stable and sufficient combustion; the gas guide pipe 8 can determine an inclination angle according to the shape of the furnace body 1 in actual use, so that pyrolysis gas in an active region inclines to a non-active region, the gas is uniformly distributed, and the furnace is flexible and multipurpose; and the arrangement of the air-equalizing grille 7 forms relatively independent space, which is beneficial to pyrolysis and gasification.

Referring to fig. 1, fig. 2 and fig. 3, an embodiment of a biomass pyrolysis gasifier according to the present invention is shown, in which the basic portion is the same as the above embodiment, and is not repeated herein. In this embodiment, the middle part of the air duct 8 is arranged in a diverging manner from bottom to top; the peripheral parts of the gas guide pipes 8 are vertically arranged, and the arrangement of the angle conveys the middle pyrolysis gas to two sides, so that the uniformity of the gas is ensured; meanwhile, in the embodiment, the steam-water pipeline 9 is arranged in the air-equalizing grille 7, and the steam-water pipeline 9 can adjust the temperature, so that the stable operation of the equipment is ensured; a slag outlet 10 is formed in one side, away from the pushing component 5, of the conveying component 6, and the arrangement of the slag outlet 10 does not generate ash accumulation, so that the use is convenient, and the design is reasonable; the inclined plane 11 is arranged at the bottom of the feeding hole 4, so that the biomass raw material can fall conveniently and is not easy to block, and the production efficiency is improved; the outer side of the gas-homogenizing grid 7 is provided with a layer of refractory material to make the pyrolysis gasification area relatively heat-insulating, and in other embodiments, the gas-homogenizing grid 7 may be provided in other forms, for example, the gas-homogenizing grid 7 itself is made of refractory material, and the like, but is not limited thereto; the conveying assembly 6 is driven by a chain, and has a simple structure, reliable transmission and low use cost, and in other embodiments, the conveying assembly can be used for conveying by a conveyor belt, and the like, which is not limited to this and is not described herein again. The using process is consistent with the above embodiment, and is not described again here.

The above description is only for the specific embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims

1. A biomass pyrolysis gasifier comprises a furnace body, a feeding device arranged on the furnace body and a secondary combustion chamber arranged at the top of the furnace body; the method is characterized in that: the feeding device comprises

The feed inlet is vertically arranged on the furnace body;

the material pushing assembly is arranged at the bottom of the feeding hole;

the conveying assembly is arranged below the pushing assembly;

wherein, the gasification furnace also comprises a temperature adjusting device; the temperature adjusting device comprises an air equalizing grid arranged at the joint of the furnace body and the second combustion chamber; the air-equalizing grille is provided with air ducts which are uniformly distributed; the air duct is arranged at an inclination angle with the vertical direction.

2. The biomass pyrolysis gasifier according to claim 1, wherein: the middle part of the air duct is arranged in a divergent manner from bottom to top to the periphery; the peripheral part of the air duct is vertically arranged.

3. The biomass pyrolysis gasifier according to claim 1 or 2, wherein: and a steam-water pipeline is arranged in the gas-equalizing grating.

4. The biomass pyrolysis gasifier according to claim 1 or 2, wherein: and a slag outlet is formed in one side, away from the material pushing assembly, of the conveying assembly.

5. The biomass pyrolysis gasifier of claim 3, wherein: and a slag outlet is formed in one side, away from the material pushing assembly, of the conveying assembly.

6. The biomass pyrolysis gasifier according to claim 1 or 2, wherein: the bottom of the feed inlet is provided with an inclined plane.

7. The biomass pyrolysis gasifier according to claim 3, wherein: the bottom of the feed inlet is provided with an inclined plane.

8. The biomass pyrolysis gasifier according to claim 1 or 2, wherein: and a layer of refractory material is arranged on the outer side of the gas-equalizing grid.

9. The biomass pyrolysis gasifier according to claim 1 or 2, wherein: the conveying assembly is in chain transmission.

10. The biomass pyrolysis gasifier of claim 3, wherein: the conveying assembly is in chain transmission.