CN219264271U

CN219264271U - High-temperature gasification low-nitrogen combustion biomass boiler

Info

Publication number: CN219264271U
Application number: CN202320120783.1U
Authority: CN
Inventors: 张存才; 牟迎迎; 张艳梅; 李传波; 吕伟
Original assignee: Qingdao Dongneng Boiler Co ltd
Current assignee: Qingdao Dongneng Boiler Co ltd
Priority date: 2023-01-18
Filing date: 2023-01-18
Publication date: 2023-06-27
Anticipated expiration: 2033-01-18

Abstract

The utility model relates to the technical field of energy utilization equipment, and discloses a high-temperature gasification low-nitrogen combustion biomass boiler which comprises a combustion boiler, an air inlet pipeline and a ventilation support, wherein the left end of the air inlet pipeline penetrates through the combustion boiler and extends into the combustion boiler; according to the utility model, through the cooperation of the combustion boiler and the air inlet pipeline, oxygen-enriched air can be conveniently introduced into the combustion boiler by utilizing the air inlet pipeline, and the problem of insufficient combustion of the combustion objects can be reduced by directly blowing the combustion objects, so that air entering from the air inlet pipeline is conveniently blocked, the amount of air entering the combustion boiler can be conveniently controlled, the emission of nitrogen oxides can be reduced, and the effect of reducing environmental pollution can be achieved.

Description

High-temperature gasification low-nitrogen combustion biomass boiler

Technical Field

The utility model relates to the technical field of energy utilization equipment, in particular to a high-temperature gasification low-nitrogen combustion biomass boiler.

Background

The boiler combustion equipment is equipment utilizing heat or other energy released by fuel combustion, the high-temperature gasification low-nitrogen combustion biomass technology is various technologies for improving the combustion equipment or controlling combustion conditions to reduce the concentration of nitrogen oxides in combustion tail gas, and the main factors influencing the generation of nitrogen oxides in the combustion process are combustion temperature, residence time of flue gas in a high-temperature area, concentration of various components in the flue gas and mixing degree.

The utility model of the prior authorized publication number CN216844649U discloses a high-temperature gasification low-nitrogen combustion biomass boiler, which comprises a combustion chamber and a reciprocating grate, wherein the reciprocating grate is arranged at the lower end of the combustion chamber; at least one air chamber is arranged in the reciprocating grate, an opening is formed in the air chamber, and the opening is formed in the surface of the reciprocating grate; the reciprocating grate is arranged in an inclined ladder shape with high left and low right.

By adopting the technical scheme, when fuel is combusted through the reciprocating grate, the combustion time of the fuel on the reciprocating grate can be controlled by controlling the expansion speed and efficiency of the reciprocating grate, and the fuel is just completely combusted when being controlled to move to the tail end of the reciprocating grate, so that the combustion efficiency of the fuel is improved, and when slag moves to the tail end of the reciprocating grate, the slag falls into a slag outlet pit, and is automatically discharged out of the furnace by a slag extractor.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the biomass boiler with high-temperature gasification and low-nitrogen combustion, which has the advantages of being capable of conveniently controlling the amount of air introduced into the boiler and shortening the residence time of flue gas in a high-temperature area.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a low nitrogen burning biomass boiler of high temperature gasification, includes combustion boiler, admission line and ventilation support, the left end of admission line runs through combustion boiler and extends to combustion boiler's inside, ventilation support's surface and admission line's inner wall fixed connection, combustion boiler's last fixed surface intercommunication has the smoking pipeline, combustion boiler's fixed surface intercommunication has output pipeline, combustion boiler's fixed surface intercommunication has cuts off the case, it is linked together with the admission line to cut off the case, the inside sliding connection who cuts off the case has the partition panel, ventilation support's inner wall fixedly connected with rotation motor, rotation motor's output fixedly connected with ventilation flabellum.

Preferably, the bottom surface of the combustion boiler is fixedly connected with two groups of supporting legs, and the bottom ends of the supporting legs of each group are fixedly connected with a supporting plate.

Preferably, the outer surface of the combustion boiler is fixedly communicated with a water inlet pipe and a water outlet pipe respectively, and one end of the water inlet pipe far away from the combustion boiler and one end of the water outlet pipe far away from the combustion boiler are fixedly communicated with a control valve.

Preferably, the outer surface of the combustion boiler is fixedly communicated with a placing box, the inside of the placing box is connected with a feeding box in a sliding mode, and the right side face of the feeding box is in contact with the inner wall of the combustion boiler.

Preferably, the ash storage box is arranged below the feeding box and is in sliding connection with the inside of the placing box, and the right side face of the ash storage box is in contact with the inner wall of the combustion boiler.

Preferably, the left side face of the ash storage box and the left side face of the feeding box are fixedly connected with pulling handles, and the upper surface of the partition plate is fixedly connected with lifting handles.

Preferably, the bottom surface of ash storage box and the bottom surface of feeding case have all been seted up two sliding tray, place the inner wall fixedly connected with of case two sets of fixed sliding blocks, every group fixed sliding block all sliding connection in the inside of sliding tray.

Preferably, the outer surface of the rotating motor is fixedly connected with a stabilizing ring, and the upper surface of the stabilizing ring is fixedly connected with the inner wall of the ventilation bracket.

(III) beneficial effects

Compared with the prior art, the utility model provides the biomass boiler with high-temperature gasification and low-nitrogen combustion, which has the following beneficial effects:

1. this high temperature gasification low nitrogen burning biomass boiler, through being provided with the cooperation of burning boiler and admission line, can conveniently utilize the admission line to lead to the burning boiler with oxygen-enriched air in, and can directly blow against the combustion thing in the burning boiler, reduce the insufficient problem of combustion thing burning, utilize ventilation support, the cooperation of rotating electrical machines and ventilation flabellum, can accelerate the air flow in the admission line, thereby can increase the oxygen concentration of combustion thing ambient air, further reduce the problem that produces more nitrogen oxides because the combustion thing burns inadequately, utilize the admission line, the cooperation of wall case and partition panel, can conveniently utilize the wall case of intercommunication on the admission line, make the partition panel can slide in the wall incasement, thereby conveniently block the air that gets into from the admission line, play the how much that can conveniently control the air of entering in the burning boiler, reduce the emission of nitrogen oxides, and then reduce environmental pollution's effect.

2. This high temperature gasification low nitrogen burning biomass boiler through being provided with the cooperation of burning boiler, smoking pipeline, admission line and output pipeline, can conveniently utilize the admission line to the combustion boiler in to utilize the output pipeline to carry heat to outside, and can conveniently utilize the smoking pipeline to take out the flue gas that the combustion boiler in the undercombustion fully produced, thereby can shorten the flue gas and stay time in the high temperature region, play the production that can further reduce nitrogen oxide, reduce the effect to environmental pollution.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a combustion boiler according to the present utility model;

FIG. 2 is a schematic view of a rear view of a combustion boiler according to the present utility model;

FIG. 3 is a schematic view of a three-dimensional structure of a feed box of the utility model;

fig. 4 is a schematic view showing a perspective structure of the ventilation bracket of the present utility model.

In the figure: 1. a combustion boiler; 2. a smoke extraction pipe; 3. an output pipe; 4. a water inlet pipe; 5. a water outlet pipe; 6. a control valve; 7. an air intake duct; 8. placing a box; 9. a feed box; 10. an ash storage box; 11. a fixed slide block; 12. support legs; 13. a support plate; 14. a partition box; 15. a partition panel; 16. a lifting handle; 17. a ventilation support; 18. a sliding groove; 19. pulling the handle; 20. a rotating motor; 21. ventilation fan blades; 22. a stabilizing ring.

Detailed Description

In order to better understand the purpose, structure and function of the present utility model, the following describes a high-temperature gasification low-nitrogen combustion biomass boiler in detail with reference to the accompanying drawings.

Referring to fig. 1-4, the present utility model: the utility model provides a low nitrogen burning biomass boiler of high temperature gasification, including burning boiler 1, admission line 7 and ventilation support 17, the left end of admission line 7 runs through burning boiler 1 and extends to the inside of burning boiler 1, ventilation support 17's surface and the inner wall fixed connection of admission line 7, the bottom surface fixedly connected with two sets of supporting legs 12 of burning boiler 1, the bottom of every supporting leg 12 of group is equal fixedly connected with backup pad 13, utilize backup pad 13 can fix supporting leg 12 firmly on horizontal ground, thereby can utilize supporting leg 12 to fix burning boiler 1 firmly on horizontal ground, and then can fix whole boiler firmly in the position that needs.

The upper surface fixed intercommunication of burning boiler 1 has smoke exhaust pipe 2, the fixed intercommunication of the surface of burning boiler 1 has output pipeline 3, the fixed intercommunication has inlet tube 4 and outlet pipe 5 respectively of the surface of burning boiler 1, the one end that burning boiler 1 was kept away from to inlet tube 4 and the one end that burning boiler 1 was kept away from to outlet pipe 5 all fixed intercommunication have control valve 6, inlet tube 4 and outlet pipe 5 and the inside chamber intercommunication of seting up of burning boiler 1 inner wall can make the cooling water flow at the intracavity of burning boiler 1 inner wall, thereby can cover the outside at burning boiler 1, and then can conveniently utilize the cooling water to reduce the temperature of burning boiler 1, control valve 6 can control inlet tube 4, outlet pipe 5 and the inside flow of seting up cooling water between the chamber of burning boiler 1 inner wall.

The external surface fixed intercommunication of burning boiler 1 has cuts off case 14, cuts off case 14 and admission line 7 and is linked together, and the external surface fixed intercommunication of burning boiler 1 has to place case 8, and the inside sliding connection who places case 8 has feeding case 9, and the right flank of feeding case 9 contacts with the inner wall of burning boiler 1, and feeding case 9 can be convenient through placing case 8, adds the combustion thing in to burning boiler 1 to can conveniently make the combustion thing burn in feeding case 9.

The inside sliding connection who cuts off case 14 has partition panel 15, and the below of feeding case 9 is provided with ash storage case 10, and ash storage case 10 sliding connection is in the inside of placing case 8, and the right flank of ash storage case 10 contacts with the inner wall of combustion boiler 1, and ash storage case 10 can slide in placing case 8 to can conveniently utilize ash storage case 10 to collect the ash that falls down from feeding case 9, and then can conveniently collect the combustion ash that produces and handle.

The inner wall fixedly connected with rotation motor 20 of ventilation support 17, rotation motor 20's output fixedly connected with ventilation flabellum 21, the equal fixedly connected with pulling handle 19 of left surface of the left surface of ash storage box 10 and feeding case 9, partition panel 15's upper surface fixedly connected with carries handle 16, pulling handle 19 can conveniently pull ash storage box 10 and feeding case 9, conveniently pull out combustion ash and feed combustion thing, utilize carrying handle 16, can conveniently make partition panel 15 slide in partition case 14, thereby conveniently control the volume of air that enters into combustion boiler 1 from air inlet duct 7.

Two sliding grooves 18 are formed in the bottom surface of the ash storage box 10 and the bottom surface of the feeding box 9, two groups of fixed sliding blocks 11 are fixedly connected to the inner wall of the placement box 8, each group of fixed sliding blocks 11 are slidably connected to the inside of the sliding groove 18, and the fixed sliding blocks 11 can slide in the sliding groove 18, so that the ash storage box 10 and the feeding box 9 can slide in the placement box 8 conveniently, and combustion objects can be added into the combustion boiler 1 conveniently, and combustion ash can be conveyed to the inside and the outside of the combustion boiler 1 conveniently.

The outer surface fixedly connected with firm ring 22 of rotating motor 20, the upper surface of firm ring 22 and the inner wall fixed connection of ventilation support 17, firm ring 22 can improve the stability of rotating motor 20 to can make rotating motor 20 firmly fix in ventilation support 17, reduce the noise that sends because rotating motor 20 shakes.

The working principle of the utility model is as follows: when the biomass boiler is used, the rotating motor 20 is communicated with a power supply, when combustion is needed to be carried out in the biomass boiler by gasifying low nitrogen at high temperature, the supporting plate 13 is firstly placed on the horizontal ground manually, so that the supporting plate 13 is fixed at a required position manually, the combustion boiler 1 can be firmly fixed at the required position conveniently by utilizing the supporting legs 12 and the supporting plate 13, then the smoke extraction pipeline 2 is connected with the smoke treatment device manually, the output pipeline 3 is connected with the heat utilization device, the water inlet pipe 4 is connected with a cooling water inlet pipeline, the water outlet pipe 5 is connected with a cooling water inlet pipeline, the air inlet pipeline 7 is connected with a ventilation inlet pipeline, then the combustion is manually placed in the feeding box 9, the feeding box 9 is pushed into the combustion boiler 1 from the placing box 8 for combustion, the ash storage box 10 is pushed into the combustion boiler 1 from the placement box 8 to collect combustion ash by pulling the pulling handle 19, then the power supply of the rotating motor 20 is controlled to drive the ventilation blades 21 to rotate, so that the speed of conveying air from the air inlet pipeline 7 into the combustion boiler 1 can be increased, the combustion of the combustion matters in the feeding box 9 can be increased, the smoke stay time in a high temperature area can be shortened by connecting the smoke exhausting pipeline 2 with a smoke treatment device, the generation of nitrogen oxides is reduced, then the partition plate 15 can slide in the partition box 14 by pulling the pulling handle 16, the generation of nitrogen oxides can be further reduced by controlling the amount of air entering the combustion boiler 1 from the air inlet pipeline 7, the harm of the combustion to the environment is reduced, after the combustion is completed, the control valve 6 is utilized, so as to control the flow of cooling water on the inner wall of the combustion boiler 1 and facilitate the cooling of the combustion boiler 1.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a low nitrogen burning biomass boiler of high temperature gasification, includes combustion boiler (1), admission line (7) and ventilation support (17), its characterized in that: the left end of admission line (7) runs through combustion boiler (1) and extends to the inside of combustion boiler (1), the surface of ventilation support (17) and the inner wall fixed connection of admission line (7), the last fixed surface intercommunication of combustion boiler (1) has smoke extraction pipeline (2), the fixed surface intercommunication of combustion boiler (1) has output pipeline (3), the fixed surface intercommunication of combustion boiler (1) has cuts off case (14), cut off case (14) and admission line (7) are linked together, the inside sliding connection of cutting off case (14) has partition panel (15), the inner wall fixedly connected with rotation motor (20) of ventilation support (17), the output fixedly connected with ventilation fan leaf (21) of rotation motor (20).

2. The high temperature gasification low nitrogen combustion biomass boiler of claim 1, wherein: the bottom surface fixedly connected with two sets of supporting legs (12) of burning boiler (1), every group supporting leg's (12) bottom all fixedly connected with backup pad (13).

3. The high temperature gasification low nitrogen combustion biomass boiler of claim 1, wherein: the external surface of combustion boiler (1) is fixed intercommunication respectively has inlet tube (4) and outlet pipe (5), the one end that combustion boiler (1) was kept away from to inlet tube (4) and the one end that combustion boiler (1) was kept away from to outlet pipe (5) all fixed intercommunication have control valve (6).

4. The high temperature gasification low nitrogen combustion biomass boiler of claim 1, wherein: the external surface fixed intercommunication of burning boiler (1) has place case (8), the inside sliding connection who places case (8) has feeding case (9), the right flank of feeding case (9) contacts with the inner wall of burning boiler (1).

5. The high temperature gasification low nitrogen combustion biomass boiler of claim 4, wherein: the lower part of the feeding box (9) is provided with an ash storage box (10), the ash storage box (10) is connected with the inside of the placing box (8) in a sliding mode, and the right side face of the ash storage box (10) is in contact with the inner wall of the combustion boiler (1).

6. The high temperature gasification low nitrogen combustion biomass boiler of claim 5, wherein: the left side face of the ash storage box (10) and the left side face of the feeding box (9) are fixedly connected with pulling handles (19), and the upper surface of the partition plate (15) is fixedly connected with lifting handles (16).

7. The high temperature gasification low nitrogen combustion biomass boiler of claim 5, wherein: two sliding grooves (18) are formed in the bottom surface of the ash storage box (10) and the bottom surface of the feeding box (9), two groups of fixed sliding blocks (11) are fixedly connected to the inner wall of the placement box (8), and each group of fixed sliding blocks (11) are slidably connected to the inside of the sliding groove (18).

8. The high temperature gasification low nitrogen combustion biomass boiler of claim 1, wherein: the outer surface of the rotating motor (20) is fixedly connected with a stabilizing ring (22), and the upper surface of the stabilizing ring (22) is fixedly connected with the inner wall of the ventilation bracket (17).