CN214536186U

CN214536186U - Self-powered cyclone burner for biomass pyrolysis gas

Info

Publication number: CN214536186U
Application number: CN202120038662.3U
Authority: CN
Inventors: 张丽萍; 张贵云; 吕贝贝; 张相斌; 常芳娟; 刘珍; 范巧兰; 姚众; 杨红卫
Original assignee: Cotton Research Institute of Shanxi Academy of Agricultural Sciences
Current assignee: Cotton Research Institute of Shanxi Academy of Agricultural Sciences
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-10-29
Anticipated expiration: 2031-01-07

Abstract

The utility model belongs to the technical field of the combustor, a self-operated cyclone burner for living beings pyrolysis gas is related to, and the purpose is solved current combustor structure complicacy and the incomplete technical problem of burning. The technical scheme is as follows: the utility model provides a self-operated cyclone burner for living beings pyrolysis gas, includes base, a combustion section of thick bamboo and a plurality of air duct, be equipped with the air inlet in the middle of the base, a combustion section of thick bamboo sets up in the middle of the top surface of base, evenly be equipped with a plurality of air guide hole on the lateral wall of a combustion section of thick bamboo, a plurality of air duct sets up in the air guide hole and is located inside the combustion section of thick bamboo lateral wall. The utility model discloses install on biomass gasification stove or retort, in the hot cracking gas that forms got into the combustor in the stove, the honeycomb duct can make hot cracking gas flow in the combustion chamber tangential right, forms powerful cyclone, makes air and gas intensive mixing to can prolong the gas in the residence time of combustion chamber, reach and make the gas fully burn, the increasing of heat efficiency reduces the purpose that the pollution discharge discharged.

Description

Self-powered cyclone burner for biomass pyrolysis gas

Technical Field

The utility model belongs to the technical field of the combustor, concretely relates to self-operated cyclone burner for living beings pyrolysis gas.

Background

The biochar technology is a new comprehensive technology in the international early century of this century, becomes a hotspot for research and development of global agriculture, ecological environment and carbon emission reduction and convergence increasing fields, and certainly plays a significant role in relieving the energy crisis of China and improving the environment, while the combustion technology of biomass pyrolysis gas is an important technical link, and influences whether the tail gas emission can reach the standard, and the prior art has complex structure and high price; or the pyrolysis gas is not fully combusted, and the air pollution is serious.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the technical problems of complex structure and incomplete combustion of the existing combustor and providing a self-powered cyclone combustor for biomass pyrolysis gas.

In order to solve the technical problem, the utility model discloses a technical scheme is:

the utility model provides a self-operated cyclone burner for living beings pyrolysis gas, includes base, a combustion section of thick bamboo and a plurality of air duct, be equipped with the air inlet in the middle of the base, a combustion section of thick bamboo sets up in the middle of the top surface of base, evenly be equipped with a plurality of air guide hole on the lateral wall of a combustion section of thick bamboo, a plurality of air duct sets up in the air guide hole and is located inside the combustion section of thick bamboo lateral wall.

Furthermore, the air duct is divided into a straight duct section and a bent duct section, one end of the straight duct section is inserted into the air guide hole, and the other end of the straight duct section is connected with the bent duct section.

Furthermore, the elevation angle alpha of the bent pipe section ranges from 30 degrees to 45 degrees, and the included angle beta between the bent pipe section and the vertical plane is 70 degrees to 80 degrees.

Further, the combustion cylinder is any one of a straight cylinder type, a reverse taper type or a reverse tower type.

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

1. the utility model is arranged on a biomass gasification furnace or a carbonization furnace, the formed thermal cracking gas (fuel gas) enters a combustor under the condition of insufficient oxygen supply of the biomass in the furnace, and the honeycomb duct can ensure that the fuel gas tangentially flows rightwards in the combustion chamber to form a powerful cyclone in the anticlockwise direction, so that the air and the fuel gas are fully mixed, the detention time of the fuel gas in the combustion chamber can be prolonged, and the purposes of fully combusting the fuel gas, improving the heat efficiency and reducing the pollution emission are achieved;

2. the utility model discloses simple structure, the cost is low, is favorable to popularizing and applying.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic bottom structure diagram of a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of a second embodiment of the present invention;

fig. 4 is a schematic bottom structure diagram of a second embodiment of the present invention;

fig. 5 is a schematic structural diagram of a third embodiment of the present invention;

fig. 6 is a schematic bottom structure diagram of a third embodiment of the present invention;

FIG. 7 is a schematic view of the structure of the airway tube of the present invention;

FIG. 8 is a left side view of the structure of the air duct of the present invention;

in the figure: 1-base, 2-combustion cylinder, 3-gas-guide tube;

wherein: 1.1-air inlet, 2.1-air guide hole, 3.1-straight pipe section and 3.2-bend pipe section.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1

As shown in fig. 1, fig. 2, fig. 7 and fig. 8, in this embodiment, the self-operated cyclone burner for biomass pyrolysis gas includes a base 1, a combustion cylinder 2 and a plurality of air ducts 3, an air inlet 1.1 is arranged in the middle of the base 1, the combustion cylinder 2 is arranged in the middle of the top surface of the base 1, the combustion cylinder 2 is a straight cylinder, a plurality of air guide holes 2.1 are uniformly arranged on the side wall of the combustion cylinder 2, the air ducts 3 are arranged in the air guide holes 2.1 and located inside the side wall of the combustion cylinder 2, the air ducts 3 are divided into straight duct sections 3.1 and bent duct sections 3.2, one end of each straight duct section 3.1 is inserted into the air guide hole 2.1, the other end of each straight duct section is connected with the bent duct section 3.2, an angle α of elevation of the bent duct section 3.2 is 45 °, and an included angle between the bent duct section 3.2 and a vertical plane is 75 °.

The elevation angle alpha of the bent pipe section 3.2 can also be any value within 30-45 degrees, and the included angle between the counterclockwise direction of the bent pipe section 3.2 and the vertical plane can also be any value within 70-80 degrees.

Example 2

As shown in fig. 3, 4, 7 and 8, the combustion cylinder 2 of the self-powered cyclone burner for pyrolysis gas of biomass in the present embodiment has an inverted cone shape, and the rest of the structure is the same as that in embodiment 1.

Example 3

As shown in fig. 5 to 8, the combustion tube 2 of the self-powered cyclone burner for pyrolysis gas of biomass in the present embodiment is of an inverted tower type, and the rest of the structure is the same as that in embodiment 1.

The utility model discloses the theory of operation as follows:

after ignition at biomass gasification stove or retort ignition mouth department, install this device on the burner, air inlet 1.1 on the base 1 aims at the burner, living beings in the stove are under the insufficient condition of primary air inlet oxygen suppliment, produce the pyrolysis gas, and in getting into combustion barrel 2 from air inlet 1.1, secondary air enters into combustion barrel 2 from air duct 3 simultaneously, the air flows through bend section 3.2 right tangential, form the powerful cyclone of anticlockwise in combustion barrel 2, make air and gas intensive mixing, and the residence time of extension gas in combustion barrel 2, reach the purpose that the gas fully combusted, thereby thermal efficiency is improved, pollution abatement discharges.

Claims

1. The utility model provides a self-operated cyclone burner for living beings pyrolysis gas, its characterized in that, includes base (1), a combustion section of thick bamboo (2) and a plurality of air duct (3), be equipped with air inlet (1.1) in the middle of base (1), a combustion section of thick bamboo (2) set up in the middle of the top surface of base (1), evenly be equipped with a plurality of air guide hole (2.1) on the lateral wall of a combustion section of thick bamboo (2), a plurality of air duct (3) set up in air guide hole (2.1) and are located inside a combustion section of thick bamboo (2) lateral wall.

2. The self-powered cyclone burner for biomass pyrolysis gas according to claim 1, wherein the gas guide tube (3) is divided into a straight tube section (3.1) and a bent tube section (3.2), one end of the straight tube section (3.1) is inserted into the gas guide hole (2.1), and the other end is connected with the bent tube section (3.2).

3. The self-powered cyclone burner for pyrolysis gas of biomass as claimed in claim 2, characterized in that the elevation angle α of the bend section (3.2) ranges from 30 ° to 45 °, and the angle β between the bend section (3.2) and the vertical plane is 70 ° to 80 °.

4. The self-powered cyclone burner for the biomass pyrolysis gas as recited in claim 1, wherein the combustion barrel (2) is any one of a straight barrel type, an inverted cone type or an inverted tower type.