CN112460582A

CN112460582A - Biomass gasification stove co-combustion system

Info

Publication number: CN112460582A
Application number: CN202011212434.XA
Authority: CN
Inventors: 湛替洲; 毛望庆
Original assignee: Guangdong Aoxin New Energy Technology Co ltd
Current assignee: Guangdong Aoxin New Energy Technology Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-03-09

Abstract

The invention discloses a mixed combustion system of a biomass gasification furnace, which comprises a base, wherein the top of the base is in threaded connection with a shell, the inner side wall of the shell is in threaded connection with the biomass gasification furnace, a reaction cavity is formed in the biomass gasification furnace, a first baffle is fixedly connected to the inner side wall of the biomass gasification furnace and positioned at the top of the reaction cavity, a first filter screen is in threaded connection with the inner part of the first baffle, a first groove body is formed in each of the shell and one side of the inner part of the biomass gasification furnace, a movable door is connected to the inner side wall of the first groove body in a sliding manner, and the mixed combustion system of the biomass gasification furnace enables an air pump to extract redundant heat from the biomass gasification furnace and transmit the redundant heat to a high-temperature dust removal box through a second air duct to perform high-temperature dust removal on smoke discharged, therefore, redundant heat energy is fully utilized, waste of the heat energy is avoided, and resources are effectively utilized.

Description

Biomass gasification stove co-combustion system

Technical Field

The invention relates to the technical field of gasification furnaces, in particular to a mixed combustion system of a biomass gasification furnace.

Background

As is known, the straw gas produced by the gas furnace belongs to a green new energy source and has strong vitality. The raw materials generated by the plant gas are crop straws, forest and wood wastes, edible fungus residues, cattle, sheep and livestock manure and all combustible substances, so the plant gas is an inexhaustible renewable resource. However, among energy structures such as straw gas, natural gas, liquefied gas, biogas, solar energy, electricity, raw coal, honeycomb briquette and raw plant fuel, the straw gas is the most economical, convenient, energy-saving and most applicable, and is safe to use, clean and sanitary.

Through retrieval, a patent with publication number CN110513687A disclosed by a Chinese patent network discloses a comprehensive utilization system for high-temperature gasification and low-nitrogen combustion of biomass, which comprises a gasification furnace, a combustor and a boiler, wherein an air outlet of the gasification furnace is connected with a fuel inlet of the combustor through a pipeline, the combustor is installed on the boiler, and the boiler is provided with two smoke outlets which are sequentially connected with a smoke side and a chimney of two heat accumulating type heat exchangers through pipelines; the preheating air pipes are respectively connected with the air sides of the two regenerative heat exchangers and then respectively connected with the auxiliary mixing chamber, the auxiliary mixing chamber is provided with a first outlet connected with a first inlet of the mixer, the auxiliary mixing chamber is provided with a second outlet connected with a high-temperature air inlet of the gasification furnace and a second inlet of combustion air of the combustor, and the outlet of the mixer is connected with a first inlet of the combustion air of the combustor; the chimney is connected with the flue gas inlet of the gasification furnace and the second inlet of the mixer through a pipeline and a fan.

However, the above patents have disadvantages in that: the biomass gasification furnace can generate a large amount of heat energy in work, the heat energy cannot be fully utilized, and a large amount of heat energy is wasted due to the lack of the arrangement for recycling the waste heat energy, so that resources are not effectively utilized;

meanwhile, a large amount of impurities can be remained in the reaction cavity of the raw materials reacted in the biomass gasification furnace, and the impurities can be used as biomass charcoal for secondary processing and use; however, in the prior art, the arrangement for collecting the residual impurities in the biomass gasification furnace is not arranged, so that the biomass charcoal is inconvenient to process and use again.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a mixed combustion system of a biomass gasification furnace.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a mixed combustion system of a biomass gasification furnace comprises a base, wherein the top of the base is in threaded connection with a shell, the inner side wall of the shell is in threaded connection with the biomass gasification furnace, a reaction cavity is formed in the biomass gasification furnace, a first baffle is fixedly connected to the inner side wall of the biomass gasification furnace and the top of the reaction cavity, a first filter screen is in threaded connection with the inner part of the first baffle, a first groove body is formed in each of the shell and one side of the interior of the biomass gasification furnace, a movable door is slidably connected to the inner side wall of the first groove body, a sealing ring is slidably connected to the outer side of the movable door, one side of the sealing ring is fixedly connected with the inner side wall of the biomass gasification furnace, one side of the movable door penetrates through the interior of the first groove body and is fixedly connected with a pull ring, a second groove body is formed in the inner, the utility model discloses a biomass gasification stove, including casing and biomass gasification stove, third cell body has all been seted up to the inside one side in addition of casing and biomass gasification stove, the top fixedly connected with storage hopper of base, the top welding of base has the second baffle, one side threaded connection of second baffle has screw conveyer, screw conveyer's screw thread piece runs through in the inside of third cell body and extends to biomass gasification stove's inner chamber, biomass gasification stove's lateral wall fixedly connected with backup pad, the top threaded connection of backup pad has the fan, the air intake intercommunication of fan has the intake pipe, the one end that the fan was kept away from to the intake pipe communicates with biomass gasification stove's inner chamber, biomass gasification stove's outside intercommunication has the inlet pipe, the air outlet intercommunication of fan has the outlet duct, the one end intercommunication that the fan was.

Preferably, the top intercommunication of high temperature dust removal case has the blast pipe, the inside threaded connection of high temperature dust removal case has the electric heat silk screen, one side threaded connection of high temperature dust removal case has the plate body, the bottom of plate body and the top welding of base.

Preferably, a first through groove is formed in the plate body, a connecting pipe is arranged on the inner side wall of the first through groove, one end of the connecting pipe is communicated with one side of the high-temperature dust removal box, and the box body is communicated with one end, far away from the high-temperature dust removal box, of the connecting pipe and runs through the first through groove.

Preferably, the top of the box body is hinged with a box door, and the top of the box door is fixedly connected with a handle.

Preferably, the inside fixedly connected with third filter screen, active carbon adsorption board and the electrostatic absorption board of box, the one side bottom intercommunication of box has the body.

Preferably, the bottom of the box body is symmetrically welded with four support legs, and the bottoms of the four support legs are welded with the top of the base.

Preferably, a connecting plate is welded on one side of the plate body, one side of the connecting plate is fixedly connected with the outer side of the shell, and an air pump is connected to the top of the connecting plate in a threaded manner.

Preferably, the second is seted up to the lateral wall of base and is led to the groove, the inside wall threaded connection that the second led to the groove has the fourth filter screen, the air inlet intercommunication of air pump has first air duct, the one end that the air pump was kept away from to first air duct communicates with one side in the second groove, the gas outlet intercommunication of first air duct has the second air duct, the one end that the air pump was kept away from to the second air duct communicates with the bottom in high temperature dust removal case.

(III) advantageous effects

Compared with the prior art, the invention provides a biomass gasification furnace mixed combustion system, which has the following beneficial effects:

according to the mixed combustion system of the biomass gasifier, through the arrangement of the air pump and the high-temperature dust removal box, the air pump can extract redundant heat from the biomass gasifier and transmit the redundant heat to the high-temperature dust removal box through the second air duct, and high-temperature dust removal is carried out on smoke discharged by the biomass gasifier, so that the redundant heat is fully utilized, the waste of heat energy is avoided, and resources are effectively utilized;

two, this biomass gasification stove co-combustion system, through the setting of screw conveyer and storage hopper, make screw conveyer can collect the inside remaining impurity of biomass gasification stove to the storage hopper in to make impurity can regard as biomass charcoal reprocesses the use, make biomass charcoal by the reprocessed use more convenient.

Drawings

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

FIG. 2 is a schematic structural view of a biomass gasification furnace and a high-temperature dust removal box according to the present invention;

FIG. 3 is a schematic view of the internal structure of the housing according to the present invention;

FIG. 4 is a schematic view of a second through groove and a fourth filter screen according to the present invention;

FIG. 5 is a schematic view of the high temperature dust removing box and the exhaust pipe of the present invention.

In the figure: 1. a base; 2. a housing; 3. a biomass gasification furnace; 4. a reaction chamber; 5. a first baffle plate; 6. a first filter screen; 7. a first tank body; 8. a handle; 9. a seal ring; 10. a movable door; 11. a second tank body; 12. a third tank body; 13. a screw conveyor; 14. a storage hopper; 15. a second baffle; 16. a feed pipe; 17. an air inlet pipe; 18. a support plate; 19. a fan; 20. an air outlet pipe; 21. a high temperature dust removal box; 22. an exhaust pipe; 23. an electric heating wire mesh; 24. a first through groove; 25. a connecting pipe; 26. a box body; 27. a box door; 28. a third filter screen; 29. an activated carbon adsorption plate; 30. an electrostatic adsorption plate; 31. a pipe body; 32. a support leg; 33. a plate body; 34. a connecting plate; 35. a first air duct; 36. an air pump; 37. a second air duct; 38. a pull ring; 39. a second through groove; 40. and a fourth filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: a mixed combustion system of a biomass gasification furnace comprises a base 1, the top of the base 1 is in threaded connection with a shell 2, the inner side wall of the shell 2 is in threaded connection with the biomass gasification furnace 3, a reaction cavity 4 is arranged inside the biomass gasification furnace 3, the inner side wall of the biomass gasification furnace 3 is fixedly connected with a first baffle 5 positioned at the top of the reaction cavity 4, the inner side of the first baffle 5 is in threaded connection with a first filter screen 6, a first groove body 7 is arranged on each of the shell 2 and one side inside the biomass gasification furnace 3, the inner side wall of the first groove body 7 is in sliding connection with a movable door 10, the outer side of the movable door 10 is in sliding connection with a sealing ring 9, one side of the sealing ring 9 is fixedly connected with the inner side wall of the biomass gasification furnace 3, one side of the movable door 10 penetrates through the inside of the first, the inner side wall of the second tank body 11 is connected with the other side of the movable door 10 in a sliding manner, a third tank body 12 is arranged on one side of the other inner part of the shell 2 and the biomass gasification furnace 3, a storage hopper 14 is fixedly connected to the top of the base 1, a second baffle plate 15 is welded to the top of the base 1, a screw conveyor 13 is connected to one side of the second baffle plate 15 in a threaded manner, a threaded sheet of the screw conveyor 13 penetrates through the inner part of the third tank body 12 and extends to the inner cavity of the biomass gasification furnace 3, a support plate 18 is fixedly connected to the outer side wall of the biomass gasification furnace 3, a fan 19 is connected to the top of the support plate 18 in a threaded manner, an air inlet of the fan 19 is communicated with an air inlet pipe 17, one end, away from the fan 19, of the air inlet pipe 17 is communicated with the inner cavity of the biomass gasification furnace 3, an air; the fan 19 extracts the flue gas generated in the reaction chamber 4 through the air inlet pipe 17 and transmits the flue gas to the high-temperature dust removal box 21 through the air outlet pipe 20; the electric heating wire mesh 23 is started through the switch group, and the temperature in the high-temperature dust removal box 21 is increased through the electric heating wire mesh 23, so that the flue gas is subjected to primary dust removal; meanwhile, the air pump 36 is started through the switch group, the air pump 36 pumps redundant heat in the reaction cavity 4 and conveys the heat to the high-temperature dust removal box 21 through the second air duct 37, and the heat is recycled; opening a valve on the connecting pipe 25 to enable the flue gas in the high-temperature dust removal box 21 to enter the box body 26; the flue gas is filtered by three layers of a third filter screen 28, an activated carbon adsorption plate 29 and an electrostatic adsorption plate 30 in the box body 26, and finally is discharged from the pipe body 31.

In this embodiment, specifically: the top of the high-temperature dust removal box 21 is communicated with an exhaust pipe 22, an electric heating wire mesh 23 is in threaded connection with the inside of the high-temperature dust removal box 21, a plate body 33 is in threaded connection with one side of the high-temperature dust removal box 21, and the bottom of the plate body 33 is welded with the top of the base 1; the plate body 33 can fix and support the high-temperature dust removal box 21, and the electric heating wire mesh 23 can increase the temperature inside the high-temperature dust removal box 21.

In this embodiment, specifically: a first through groove 24 is formed in the plate body 33, a connecting pipe 25 is arranged on the inner side wall of the first through groove 24, one end of the connecting pipe 25 is communicated with one side of the high-temperature dust removal box 21, and one end, far away from the high-temperature dust removal box 21, of the connecting pipe 25 penetrates through the inside of the first through groove 24 and is communicated with the box body 26; the valve on the connecting pipe 25 is opened, so that the flue gas in the high-temperature dust removing box 21 can enter the box body 26, and the first through groove 24 can enable the connecting pipe 25 to penetrate through the plate body 33.

In this embodiment, specifically: the top of the box body 26 is hinged with a box door 27, and the top of the box door 27 is fixedly connected with a handle 8; the handle 8 facilitates the opening and closing of the door 27, and the door 27 facilitates the disassembly and cleaning of the filtering components inside the box 26.

In this embodiment, specifically: a third filter screen 28, an activated carbon adsorption plate 29 and an electrostatic adsorption plate 30 are fixedly connected inside the box body 26, and the bottom of one side of the box body 26 is communicated with a pipe body 31; the third filter screen 28, the activated carbon adsorption plate 29 and the electrostatic adsorption plate 30 can perform multiple filtration on the flue gas inside the box body 26, and the valve on the pipe body 31 is opened, so that the filtered flue gas can be discharged from the pipe body 31.

In this embodiment, specifically: four supporting legs 32 are symmetrically welded at the bottom of the box body 26, and the bottoms of the four supporting legs 32 are welded with the top of the base 1; the four legs 32 can support the box 26 firmly, so that the box 26 does not shake.

In this embodiment, specifically: a connecting plate 34 is welded on one side of the plate body 33, one side of the connecting plate 34 is fixedly connected with the outer side of the shell 2, and an air pump 36 is connected with the top of the connecting plate 34 in a threaded manner; the main function of the connecting plate 34 is to fix and support the air pump 36, and the plate 33 and the housing 2 can keep the connecting plate 34 stable.

In this embodiment, specifically: the outer side wall of the base 1 is provided with a second through groove 39, the inner side wall of the second through groove 39 is in threaded connection with a fourth filter screen 40, an air inlet of the air pump 36 is communicated with a first air duct 35, one end, far away from the air pump 36, of the first air duct 35 is communicated with one side of the second through groove 39, an air outlet of the first air duct 35 is communicated with a second air duct 37, and one end, far away from the air pump 36, of the second air duct 37 is communicated with the bottom of the high-temperature dust removal box 21; the main function of the fourth filter 40 is to prevent the large-volume impurities from being discharged from the reaction chamber 4 when the heat enters the first air duct 35 through the second through groove 39, thereby causing adverse effects on the air pump 36.

The screw conveyor 13 is of the type: type 165;

the type of the fan 19 is: BT 35;

the model of the electric heating wire mesh 23 is as follows: 0Cr25Al 5;

the air pump 36 is of the type: 2MV 210A 11.

In summary, the working principle and the working process of the biomass gasification furnace mixed combustion system are that, when in use, the base 1 is provided with a switch group for controlling the start or the stop of the screw conveyer 13, the fan 19, the electric heating wire mesh 23 and the air pump 36, and the switch group is connected with an external commercial power and used for supplying power to the screw conveyer 13, the fan 19, the electric heating wire mesh 23 and the air pump 36; putting the material into a biomass gasification furnace 3 through a feeding pipe 16, and enabling the material to start to react in a reaction cavity 4 of the biomass gasification furnace 3; starting the fan 19 through the switch group, so that the fan 19 pumps out the flue gas generated in the reaction chamber 4 through the air inlet pipe 17 and conveys the flue gas into the high-temperature dust removal box 21 through the air outlet pipe 20; the electric heating wire mesh 23 is started through the switch group, and the temperature in the high-temperature dust removal box 21 is increased through the electric heating wire mesh 23, so that the flue gas is subjected to primary dust removal; meanwhile, the air pump 36 is started through the switch group, the air pump 36 pumps redundant heat in the reaction cavity 4 and conveys the heat to the high-temperature dust removal box 21 through the second air duct 37, and the heat is recycled; opening a valve on the connecting pipe 25 to enable the flue gas in the high-temperature dust removal box 21 to enter the box body 26; the flue gas is filtered by three layers of a third filter screen 28, an active carbon adsorption plate 29 and an electrostatic adsorption plate 30 in the box body 26, and is finally discharged from the pipe body 31; the movable door 10 is pulled through the pull ring 38, so that the impurities remained in the reaction chamber 4 enter the bottom of the biomass gasification furnace 3; the screw conveyor 13 is started by the switch group, and the screw conveyor 13 conveys the residual impurities into the storage hopper 14.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a biomass gasification stove co-combustion system, includes base (1), its characterized in that: the top of the base (1) is in threaded connection with a shell (2), the inner side wall of the shell (2) is in threaded connection with a biomass gasification furnace (3), a reaction cavity (4) is formed in the biomass gasification furnace (3), the inner side wall of the biomass gasification furnace (3) is fixedly connected with a first baffle (5) at the top of the reaction cavity (4), the inner thread of the first baffle (5) is connected with a first filter screen (6), a first groove body (7) is formed in each of the shell (2) and one side of the inside of the biomass gasification furnace (3), a movable door (10) is connected to the inner side wall of the first groove body (7) in a sliding manner, a sealing ring (9) is connected to the outer side of the movable door (10) in a sliding manner, one side of the sealing ring (9) is fixedly connected with the inner side wall of the biomass gasification furnace (3), one side of the movable door (10) runs through the inside of the, the biomass gasification furnace is characterized in that a second groove body (11) is formed in the inner side wall of the biomass gasification furnace (3), the inner side wall of the second groove body (11) is in sliding connection with the other side of the movable door (10), a third groove body (12) is formed in each of the shell (2) and the other inner side of the biomass gasification furnace (3), a storage hopper (14) is fixedly connected to the top of the base (1), a second baffle (15) is welded to the top of the base (1), a spiral conveyor (13) is in threaded connection with one side of the second baffle (15), a threaded piece of the spiral conveyor (13) penetrates through the inner portion of the third groove body (12) and extends to the inner cavity of the biomass gasification furnace (3), a support plate (18) is fixedly connected to the outer side wall of the biomass gasification furnace (3), a fan (19) is in threaded connection with the top of the support plate (18), and an air inlet of, one end of the air inlet pipe (17) far away from the fan (19) is communicated with an inner cavity of the biomass gasification furnace (3), the outer side of the biomass gasification furnace (3) is communicated with an inlet pipe (16), an air outlet of the fan (19) is communicated with an air outlet pipe (20), and one end of the air outlet pipe (20) far away from the fan (19) is communicated with a high-temperature dust removal box (21).

2. The biomass gasification furnace hybrid combustion system according to claim 1, wherein: the top intercommunication of high temperature dust removal case (21) has blast pipe (22), the inside threaded connection of high temperature dust removal case (21) has electric heat silk screen (23), one side threaded connection of high temperature dust removal case (21) has plate body (33), the bottom of plate body (33) and the top welding of base (1).

3. The biomass gasification furnace hybrid combustion system according to claim 2, wherein: first logical groove (24) have been seted up to the inside of plate body (33), the inside wall that first leads to groove (24) is equipped with connecting pipe (25), the one end of connecting pipe (25) and one side intercommunication of high temperature dust removal case (21), the one end that high temperature dust removal case (21) were kept away from in connecting pipe (25) runs through in the inside of first logical groove (24) and the intercommunication has box (26).

4. The biomass gasification furnace hybrid combustion system according to claim 3, wherein: the top of the box body (26) is hinged with a box door (27), and the top of the box door (27) is fixedly connected with a handle (8).

5. The biomass gasification furnace hybrid combustion system according to claim 3, wherein: the inside fixedly connected with third filter screen (28), active carbon adsorption board (29) and electrostatic adsorption board (30) of box (26), one side bottom intercommunication of box (26) has body (31).

6. The biomass gasification furnace hybrid combustion system according to claim 5, wherein: the bottom of the box body (26) is symmetrically welded with four supporting legs (32), and the bottoms of the four supporting legs (32) are welded with the top of the base (1).

7. The biomass gasification furnace hybrid combustion system according to claim 2, wherein: one side welding of plate body (33) has connecting plate (34), one side of connecting plate (34) and the outside fixed connection of casing (2), the top threaded connection of connecting plate (34) has air pump (36).

8. The biomass gasification furnace hybrid combustion system according to claim 7, wherein: the second has been seted up to the lateral wall of base (1) and has been led to groove (39), the inside wall threaded connection that the second led to groove (39) has fourth filter screen (40), the air inlet intercommunication of air pump (36) has first air duct (35), the one end that air pump (36) were kept away from in first air duct (35) and the one side intercommunication that groove (39) were led to the second, the gas outlet intercommunication of first air duct (35) has second air duct (37), the one end that air pump (36) were kept away from in second air duct (37) and the bottom intercommunication of high temperature dust removal case (21).