CN215982623U

CN215982623U - Slag discharging device of biomass gasification furnace grate

Info

Publication number: CN215982623U
Application number: CN202122525021.3U
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: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-03-08
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses a slag discharging device of a biomass gasification furnace grate, which comprises a slag remover, wherein the slag remover comprises a first scraper blade which reciprocates through a driving device; the second scraper plate is obliquely arranged, one end of the second scraper plate is matched with the outlet end of the fire grate, and the other end of the second scraper plate is arranged above the opening of the slag remover; a recovery assembly; the recovery assembly comprises a first cooling pipe arranged at the bottom of the second scraper and a second cooling pipe annularly arranged on the outer wall of the slag remover; the first cooling pipes are arranged in a shape of a Chinese character 'hui' and are symmetrically provided with two groups; the slag remover is arranged below the outlet end. Through the arrangement of the first scraper, the second scraper and the recovery assembly; the waste heat energy of the ash slag is recycled, the heat absorption is uniform, the effect is good, and the slag discharging effect is good.

Description

Slag discharging device of biomass gasification furnace grate

Technical Field

The utility model relates to the field of biomass pyrolysis equipment, in particular to a slag discharging device of a biomass gasification furnace grate.

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.

The slag discharging equipment of the biomass pyrolysis gasifier is mainly determined according to the form of a grate and the characteristics of fuel, and in the prior art, the heat of ash cannot be utilized when the ash is treated.

For example, the Chinese patent document discloses "an automatic slag discharging device of a biomass gasification furnace", and the publication number is CN 210506232U. In this patent, relate to an automatic slag discharging device of biomass gasification stove for biomass gasification stove arranges the sediment, is equipped with the grate of slagging tap in the gasification stove box, and during operation lime-ash promotes through row's material bed and drops to on the grate of slagging tap, and the gasification stove box is close to the afterbody department of the grate of slagging tap and opens there is first row of sediment window, and the grate of slagging tap is pushed the lime-ash from first row of sediment window outside the gasification stove box, through setting up the grate of slagging tap, the grate of slagging tap is automatic with the lime-ash from first row of sediment window release. In this patent, only clear up the lime-ash, cause the waste of energy, be unfavorable for reducing into production cost.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a recycling device which is provided with a first scraper blade, a second scraper blade and a recycling component; the waste heat energy of the ash slag is recycled, the heat absorption is uniform, the effect is good, and the slag discharging effect is good.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

a slag discharging device of a biomass gasification furnace grate comprises a slag remover, wherein the slag remover comprises a first scraper blade which reciprocates through a driving device; the second scraper plate is obliquely arranged, one end of the second scraper plate is matched with the outlet end of the fire grate, and the other end of the second scraper plate is arranged above the opening of the slag remover; a recovery assembly; the recovery assembly comprises a first cooling pipe arranged at the bottom of the second scraper and a second cooling pipe annularly arranged on the outer wall of the slag remover; the first cooling pipes are arranged in a shape of a Chinese character 'hui' and are symmetrically provided with two groups; the slag remover is arranged below the outlet end. The second scraper is obliquely arranged to facilitate falling of ash residues, and meanwhile, the second scraper is arranged at the lower end of the outlet end of the grate, the grate drives the second scraper to vibrate in the running process of the grate, the ash residues can slide down along the second scraper through vibration, and the other end of the second scraper is arranged above the opening of the slag remover to facilitate collecting and processing of the sliding ash residues; meanwhile, a first cooling pipe is arranged below the second scraper and used for recovering heat of ash residues, and the first cooling pipes are arranged in a shape of a square and symmetrically provided with two groups, so that heat absorption is uniform and the effect is good; furthermore, the second cooling pipe arranged on the outer wall of the slag remover is used for further recovering heat, so that the waste heat of the slag can be fully utilized, and the production cost can be reduced.

Further, the water inlet and the water outlet of the first cooling pipe are located on the same side. The convenient overall arrangement, water inlet and delivery port are located the homonymy and can conveniently supervise, guarantee the normal operating of equipment, also can reduce partial space, make things convenient for work such as later maintenance repair.

Furthermore, the second cooling pipe is connected with the outer wall through tree-shaped fins. The heat transfer effect is improved, and the heat is fully recovered.

Further, first scraper blade be the setting of king's font and with slag separator inner wall adaptation. Can effectively fix a position above-mentioned first scraper blade, this first scraper blade can scrape totally simultaneously, guarantees equipment steady operation.

Further, the second cooling tube is arranged in a serpentine shape. The heat absorption is uniform and the effect is good.

Further, the water inlet and the water outlet are connected through a hose. Convenient to use, prevent to damage.

Further, the driving device is driven by an electric cylinder or a hydraulic cylinder or an air cylinder. Simple structure and convenient use.

Compared with the prior art, the utility model has the advantages that: the waste heat energy of the ash slag is recycled, the heat absorption is uniform, the effect is good, the slag discharging effect is good, the structure is simple, and the use is convenient.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic view of the arrangement of the first cooling pipe of the present invention.

Fig. 3 is a schematic view of the connection of the second cooling pipe according to the present invention.

In the figure:

1. a slag remover; 2. a first squeegee; 3. a second squeegee; 4. an outlet end; 5. an opening; 6. a first cooling pipe; 7. a second cooling pipe; 8. a water inlet; 9. a water outlet; 10. a tree-shaped fin; 11. a grate.

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 illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

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", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered 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 such 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," "secured," and the like are to be construed broadly and can, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the following embodiments, the driving device is an electric cylinder drive, and in other embodiments, other configurations may be provided, such as a hydraulic cylinder drive or an air cylinder drive, which is not limited to this, and will not be described herein again.

Referring to fig. 1 and 2, an embodiment of a slag discharging device of a biomass gasification furnace grate 11 of the present invention is shown, in this embodiment, the slag discharging device of the biomass gasification furnace grate 11 comprises a slag remover 1, a second scraper 3 and a recovery assembly, wherein the slag remover 1 comprises a first scraper 2 that reciprocates through a driving device; the second scraper 3 is obliquely arranged, one end of the second scraper is matched with the outlet end 4 of the grate 11, and the other end of the second scraper is arranged above the opening 5 of the slag remover 1; the recovery assembly comprises a first cooling pipe 6 arranged at the bottom of the second scraper 3 and a second cooling pipe 7 annularly arranged on the outer wall of the slag remover 1; the first cooling pipes 6 are arranged in a zigzag shape and are symmetrically provided with two groups; the slag remover 1 is arranged below the outlet end 4. The second scraper 3 is obliquely arranged to facilitate falling of ash residues, meanwhile, the second scraper 3 is arranged at the lower end of an outlet end 4 of the grate 11, in the running process of the grate 11, the grate 11 drives the second scraper 3 to vibrate, the ash residues can slide down along the second scraper 3 through vibration, meanwhile, the other end of the second scraper 3 is arranged above an opening 5 of the slag remover 1 to facilitate collecting and processing of the downward-sliding ash residues, the structure is simple, the use is convenient, meanwhile, the slag remover 1 is arranged below the outlet end 4, ash residues can be better collected through gravity, and then the first scraper 2 is used for scraping, so that the ash residues can be effectively cleaned, and the normal running of the device is ensured; meanwhile, a first cooling pipe 6 is arranged below the second scraper 3 and used for recovering heat of ash residues, and the first cooling pipes 6 are arranged in a shape of a circle and symmetrically provided with two groups, so that heat absorption is uniform and the effect is good; further, the second cooling pipe 7 arranged on the outer wall of the slag remover 1 is used for further recovering heat, so that waste heat of ash slag can be fully utilized, and the production cost can be reduced.

Referring to fig. 1-3, in this embodiment, the basic parts are the same as those in the above embodiment, and are not described herein again, in this embodiment, the water inlet 8 and the water outlet 9 of the first cooling pipe 6 are located at the same side, which is convenient for layout, and the water inlet 8 and the water outlet 9 are located at the same side, which is convenient for supervision, so as to ensure normal operation of the equipment, reduce part of space, and facilitate later maintenance and repair; the second cooling pipe 7 is connected with the outer wall through the tree-shaped fins 10, so that the heat transfer effect is improved, and heat is fully recovered; the first scraper blade 2 is arranged in a shape like the Chinese character 'wang' and is matched with the inner wall of the slag remover 1, so that the first scraper blade 2 can be effectively positioned, and meanwhile, the first scraper blade 2 can be completely scraped, and the stable operation of equipment is ensured; in other embodiments, the present invention may also be configured in other forms, such as but not limited to an i-shape, and the details are not repeated herein; the second cooling pipe 7 is arranged in a snake shape, so that heat absorption is uniform, and the effect is good; the water inlet 8 and the water outlet 9 are connected through a hose, so that the water storage tank is convenient to use and prevented from being damaged.

The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.

Claims

1. The utility model provides a slag discharging device of biomass gasification stove grate which characterized in that: comprises that

The slag remover comprises a first scraper blade which reciprocates through a driving device;

the second scraper plate is obliquely arranged, one end of the second scraper plate is matched with the outlet end of the fire grate, and the other end of the second scraper plate is arranged above the opening of the slag remover;

a recovery assembly;

the recovery assembly comprises a first cooling pipe arranged at the bottom of the second scraper and a second cooling pipe annularly arranged on the outer wall of the slag remover; the first cooling pipes are arranged in a shape of a Chinese character 'hui' and are symmetrically provided with two groups; the slag remover is arranged below the outlet end.

2. The slag tapping device for the grate of the biomass gasification furnace according to claim 1, wherein: the water inlet and the water outlet of the first cooling pipe are positioned on the same side.

3. The biomass gasification furnace grate slag tapping device according to claim 1 or 2, characterized in that: the second cooling pipe is connected with the outer wall through tree-shaped fins.

4. The biomass gasification furnace grate slag tapping device according to claim 1 or 2, characterized in that: first scraper blade be the setting of king font and with slag separator inner wall adaptation.

5. The slag tapping device for the grate of the biomass gasification furnace according to claim 3, wherein: first scraper blade be the setting of king font and with slag separator inner wall adaptation.

6. The biomass gasification furnace grate slag tapping device according to claim 1 or 2, characterized in that: the second cooling tube is arranged in a serpentine shape.

7. The slag tapping device for the grate of the biomass gasification furnace according to claim 3, wherein: the second cooling tube is arranged in a serpentine shape.

8. The slag tapping device for the grate of the biomass gasification furnace according to claim 4, wherein: the second cooling tube is arranged in a serpentine shape.

9. The slag tapping device for the grate of the biomass gasification furnace according to claim 2, wherein: the water inlet and the water outlet are connected through a hose.

10. The biomass gasification furnace grate slag tapping device according to claim 1 or 2, characterized in that: the driving device is driven by an electric cylinder or a hydraulic cylinder or an air cylinder.