CN212777305U

CN212777305U - Automatic heating environment-friendly equipment for biomass powder pyrolysis

Info

Publication number: CN212777305U
Application number: CN202021782473.9U
Authority: CN
Inventors: 李春光; 谭青涛; 邓宾; 刘贺田; 魏文伟; 许德全; 葛华春
Original assignee: Shandong Better Machine Equipment Co ltd
Current assignee: Shandong Better Machine Equipment Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-03-23
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a living beings powder pyrolysis self-heating environmental protection equipment belongs to the tobacco-curing equipment field for the flue-cured tobacco, and it includes the furnace body, the inlet pipe that is connected with the feed bin is installed to one side of furnace body, and the inner space of furnace body separates into first combustion chamber, secondary combustion chamber, and first combustion chamber is connected with inlet pipe, first combustion chamber air-supply line respectively, is provided with the grate in the bottom of first combustion chamber, and the blast chamber is below the grate, and the blast chamber communicates with blast chamber air-supply line; the top of the secondary combustion chamber is communicated with a radiator, the radiator is connected with a chimney, and the outlet of the chimney is connected with a dust removal device; the inner wall of the furnace body is covered with a refractory lining, an air inlet pipe and a water inlet pipe of the secondary combustion chamber are arranged in the refractory lining, and outlets of the air inlet pipe and the water inlet pipe of the secondary combustion chamber are positioned in the secondary combustion chamber. The biomass fuel such as crop straws, tobacco leaves and tobacco stems can be used as tobacco leaf baking energy, and then the environmental protection performance of tobacco leaf baking equipment is improved.

Description

Automatic heating environment-friendly equipment for biomass powder pyrolysis

Technical Field

The utility model belongs to the tobacco-curing equipment field, specifically speaking especially relates to a living beings powder pyrolysis self-heating environmental protection equipment.

Background

In the tobacco leaf baking process, if electric energy is used as the supply energy, special cables need to be laid, so that the cost is high and the heat supply is unstable. And if the traditional energy coal is used, the gas generated in the coal combustion process needs to be treated, so that the treatment difficulty is higher. In rural areas where tobacco leaves are planted widely, along with popularization of rural natural gas, a large amount of crop straws and tobacco stems after tobacco leaves are recovered are abandoned and cannot be fully utilized. How to realize the baking of tobacco leaves by utilizing crop straws, tobacco stems and the like becomes one of the technical problems to be solved in the field of tobacco leaf baking.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a living beings powder pyrolysis self-heating environmental protection equipment, it can realize utilizing biomass fuel such as crop straw, tobacco leaf tobacco rod as the tobacco leaf baking energy, realizes the promotion of tobacco leaf baking equipment feature of environmental protection performance then.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

the utility model discloses a living beings powder pyrolysis self-heating environmental protection equipment, including the furnace body, the inlet pipe of being connected with the feed bin is installed to one side of furnace body, installs the spiral feeder by feeding motor drive in the inlet pipe, the internal space of furnace body separates into primary combustion chamber, secondary combustion chamber, and primary combustion chamber is located the below of secondary combustion chamber and leaves the passageway that the air feed stream flows between the two, and primary combustion chamber is connected with inlet pipe, primary combustion chamber air-supply line respectively, is provided with the grate in the bottom of primary combustion chamber, and the below of grate is the blast chamber, and the blast chamber communicates with blast chamber air-supply line; the top of the secondary combustion chamber is communicated with a radiator, the radiator is connected with a chimney, and the outlet of the chimney is connected with a dust removal device; the inner wall of the furnace body is covered with a refractory lining, an air inlet pipe and a water inlet pipe of the secondary combustion chamber are arranged in the refractory lining, and outlets of the air inlet pipe and the water inlet pipe of the secondary combustion chamber are positioned in the secondary combustion chamber.

Further, in the utility model, the inlet of air-supply line, inlet tube of the secondary combustion chamber is located the bottom of furnace body, the air-supply line, inlet tube of the secondary combustion chamber pass through the blender export intercommunication secondary combustion chamber.

Furthermore, in the present invention, the air outlet of the air inlet pipe of the primary combustion chamber is located at one side of the inlet pipe.

Furthermore, the dust removing device in the utility model is a bag-type dust remover.

Furthermore, the utility model discloses in dust collector be provided with draught fan and electronic blast gate at its air outlet.

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

1. the utility model discloses in divide into primary combustion chamber and postcombustion chamber with furnace body structure, realized in the primary combustion not the living beings of fully burning after being heated and decomposed with in the postcombustion steam, oxygen intensive mixing and carry out the postcombustion, combustion temperature is high, and the calorific value utilizes more fully.

2. The utility model discloses a set up dust collector and additional structure at fume emission port, can effectively get rid of most particulate matter, reduce the pollution to the environment, improve the feature of environmental protection.

3. The utility model provides a biomass raw materials is abundant, including all discarded crops such as tobacco stem, straw, rice straw, saw-dust, peanut shell, sawdust, bark, all can directly utilize after smashing, need not briquetting or granule, reduction use cost.

Drawings

Fig. 1 is a schematic view of the external structure of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

In the figure: 1. a furnace body; 2. a heat sink; 3. a chimney; 4. a dust removal device; 5. an electric air valve; 6. an induced draft fan; 7. a storage bin; 8. a feeding motor; 9. a feed pipe; 10. a refractory lining; 11. an air inlet pipe of the primary combustion chamber; 12. a water inlet pipe; 13. an air inlet pipe of the secondary combustion chamber; 14. an air inlet pipe of the blast chamber; 15. a grate; 16. an air outlet; 17. and (5) a mixed gas outlet.

A. A primary combustion chamber; B. a secondary combustion chamber; C. a blast chamber.

Detailed Description

The technical solution of the present invention will be further described and illustrated with reference to the following examples. It should be noted that the following paragraphs may refer to terms of orientation, including but not limited to "upper, lower, left, right, front, rear" and the like, which are all oriented to correspond to the visual orientations shown in the drawings of the specification, and should not be construed as limiting the scope or technical aspects of the present invention, but merely as providing those skilled in the art with a better understanding of the technical aspects of the present invention.

In the description of the present specification, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

An automatic heating environment-friendly device for biomass powder pyrolysis comprises a furnace body 1, wherein a feeding pipe 9 connected with a storage bin 7 is installed on one side of the furnace body 1, a spiral feeder driven by a feeding motor 8 is installed in the feeding pipe 9, the inner space of the furnace body 1 is divided into a primary combustion chamber A and a secondary combustion chamber B, the primary combustion chamber A is located below the secondary combustion chamber B, a channel for air flow to flow is reserved between the primary combustion chamber A and the secondary combustion chamber B, the primary combustion chamber A is respectively connected with the feeding pipe 9 and a primary combustion chamber air inlet pipe 11, a grate 15 is arranged at the bottom of the primary combustion chamber A, a blast chamber C is arranged below the grate 15, and the blast chamber C is communicated with a blast chamber air inlet pipe 14; the top of the secondary combustion chamber B is communicated with a radiator 2, the radiator 2 is connected with a chimney 3, and the outlet of the chimney 3 is connected with a dust removal device 4; the inner wall of the furnace body 1 is covered with a refractory lining 10, a secondary combustion chamber air inlet pipe 13 and a water inlet pipe 12 are arranged in the refractory lining 10, and outlets of the secondary combustion chamber air inlet pipe 13 and the water inlet pipe 12 are positioned in a secondary combustion chamber B.

Example 2

The biomass powder pyrolysis automatic heating environment-friendly equipment is characterized in that inlets of an air inlet pipe 13 and a water inlet pipe 12 of a secondary combustion chamber are positioned at the bottom of a furnace body 1, and the air inlet pipe 13 and the water inlet pipe 12 of the secondary combustion chamber are communicated with a secondary combustion chamber B through a mixer outlet 17; the air outlet 16 of the primary combustion chamber air inlet pipe 11 is positioned at one side of the feeding pipe 9; the dust removal device 4 is a bag-type dust remover; and the dust removal device 4 is provided with an induced draft fan 6 and an electric air valve 5 at an air outlet thereof. The structure and connection relationship of the rest parts are the same as those described in any of the foregoing embodiments, and are not described herein again to avoid the tedious text.

On the basis of the above embodiments, the present invention proceeds with detailed descriptions of technical features and functions thereof, so as to help those skilled in the art fully understand the technical solution of the present invention and reproduce it.

As shown in fig. 1 and 2, in the utility model, the furnace body 1 is provided with a furnace door and a slag removal door at one side thereof, the inside of the furnace body 1 adopts a combustion separation brick to divide the inner space into two parts, the upper part is a secondary combustion chamber B, the bottom is a primary combustion chamber A, and a channel for gas flowing is left between the secondary combustion chamber B and the primary combustion chamber A.

The biomass fuel is simply crushed to form powder with the diameter not larger than 1cm, and then the powder is loaded into a storage bin 7. The powder in the bin 7 enters the feeding pipe 9 and enters the furnace body 1 along the feeding pipe 9 under the action of the feeding motor 8 and the screw feeder. The material powder entering the furnace body 1 is combusted on the grate 15, and in order to promote the combustion of the material powder, a blast chamber C can be arranged below the grate 15 and is connected with a blast chamber air inlet pipe 4, and air sent in through the blast chamber air inlet pipe 4 is buffered by the blast chamber C and then contacts with the material above the grate 15.

After the biomass material powder enters the primary combustion chamber A on the lower layer, the biomass material powder is gradually preheated, dried, pyrolyzed and combusted under the action of primary air sent by the blast chamber C, smoke which is not fully combusted enters the secondary combustion chamber B at the top of the furnace body 1 and is fully mixed with steam and oxygen sent into the secondary combustion chamber, the mixed smoke, steam and oxygen which are not fully combusted are subjected to secondary combustion, and heat generated during combustion is higher, so that the heat value of biomass fuel can be fully utilized.

In the above paragraph, the insufficiently combusted flue gas needs to be mixed with steam and oxygen in the secondary combustion chamber B, and therefore, steam and air containing oxygen need to be introduced into the secondary combustion chamber B. As shown in fig. 1 to 2, the water vapor is supplied through the inlet pipe 12, and the air containing oxygen is supplied through the inlet pipe 13 of the secondary combustion chamber. The water inlet pipe 12 and the air inlet pipe 13 of the secondary combustion chamber enter the refractory lining 10 from the lower part of the furnace body, and the water in the water inlet pipe 12 is heated to a steam state under the action of heat generated by biomass combustion in the furnace body 1 and is blown into the secondary combustion chamber B through the mixer outlet 17. In order to ensure the combustion of biomass combustion in the primary combustion chamber A, on the premise of arranging the bottom blast chamber C, the primary combustion chamber A is also internally provided with a primary combustion chamber air inlet pipe 11, an air outlet 16 of the primary combustion chamber air inlet pipe 11 is positioned at the middle upper part of the furnace body 1, and the primary combustion chamber air inlet pipe can be matched with the bottom blast chamber C to complete the preheating, drying, pyrolysis and combustion of biomass material powder, and send insufficiently combusted smoke into the secondary combustion chamber B.

The utility model discloses in, the flue gas that produces after the burning enters into dust collector 4 behind radiator 2, dust collector 4 be the sack cleaner, its emission and the filtration of flue gas are realized with the 6 cooperations of draught fan in afterbody exit, still install electronic blast gate 5 at dust collector 4's afterbody, electronic blast gate 5 is as gas medium regulated flow or cutting device.

Finally, although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description of the present description is for clarity reasons only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. The utility model provides a living beings powder pyrolysis self-heating environmental protection equipment, includes furnace body (1), inlet pipe (9) of being connected with feed bin (7) are installed to one side of furnace body (1), install in inlet pipe (9) by the screw feeder of feeding motor (8) driven, its characterized in that: the internal space of the furnace body (1) is divided into a primary combustion chamber (A) and a secondary combustion chamber (B), the primary combustion chamber (A) is positioned below the secondary combustion chamber (B), a channel for air flow to flow is reserved between the primary combustion chamber (A) and the secondary combustion chamber (B), the primary combustion chamber (A) is respectively connected with the feeding pipe (9) and the primary combustion chamber air inlet pipe (11), a grate (15) is arranged at the bottom of the primary combustion chamber (A), a blast chamber (C) is arranged below the grate (15), and the blast chamber (C) is communicated with the blast chamber air inlet pipe (14); the top of the secondary combustion chamber (B) is communicated with a radiator (2), the radiator (2) is connected with a chimney (3), and the outlet of the chimney (3) is connected with a dust removal device (4); the inner wall of the furnace body (1) is covered with a refractory lining (10), a secondary combustion chamber air inlet pipe (13) and a water inlet pipe (12) are arranged in the refractory lining (10), and outlets of the secondary combustion chamber air inlet pipe (13) and the water inlet pipe (12) are positioned in a secondary combustion chamber (B).

2. The biomass powder pyrolysis automatic heating environment-friendly equipment as claimed in claim 1, wherein: the inlets of the air inlet pipe (13) and the water inlet pipe (12) of the secondary combustion chamber are positioned at the bottom of the furnace body (1), and the air inlet pipe (13) and the water inlet pipe (12) of the secondary combustion chamber are communicated with the secondary combustion chamber (B) through a mixer outlet (17).

3. The biomass powder pyrolysis automatic heating environment-friendly equipment as claimed in claim 1, wherein: and an air outlet (16) of the primary combustion chamber air inlet pipe (11) is positioned on one side of the feeding pipe (9).

4. The biomass powder pyrolysis automatic heating environment-friendly equipment as claimed in claim 1, wherein: the dust removal device (4) is a bag-type dust remover.

5. The biomass powder pyrolysis automatic heating environment-friendly equipment as claimed in claim 1, wherein: and the dust removing device (4) is provided with an induced draft fan (6) and an electric air valve (5) at an air outlet thereof.