Movable carbonization furnace

Abstract

The utility model belongs to the technical field of biological carbonization furnaces, and particularly relates to a movable carbonization furnace. The technical problems that an existing brazier type gasification and carbonization furnace cannot be moved easily and conveniently, feeding and carbon discharging of biomass cannot be conducted continuously, and the production efficiency is low are mainly solved. According to the technical scheme, the movable carbonization furnace comprises a trolley composed of a frame, a hand push rod, supporting legs and wheels, the movable carbonization furnace further comprises a brazier type carbonization furnace, a carbon storage tank and a manual spiral conveyor, the brazier type carbonization furnace is arranged on the middle rear portion of the frame and close to the supporting legs, the carbon storage tank is arranged at the front end of the frame, and the manual spiral conveyor is arranged on the trolley. The manual screw conveyor is arranged between the brazier type carbonization furnace and the carbon storage tank, the lower part of the manual screw conveyor is arranged on the side surface of a lower furnace body of the brazier type carbonization furnace, a feed port is connected with a discharge port formed in the bottom end of the brazier type carbonization furnace body, and a discharge port of the manual screw conveyor is connected with a feed port of the carbon storage tank.

Description

Technical Field

[0001] The utility model belongs to the technical field of biocharization furnaces, and in particular relates to a mobile carbonization furnace. Background Art

[0002] Biochar is a stable carbon-rich substance formed by thermal cracking of agricultural and forestry waste and other biomass under anaerobic or hypoxic conditions. It has the characteristics of high carbon content, rich pore structure, large specific surface area, strong adsorption capacity, and high carbon stability. Therefore, carbonization and return of agricultural and forestry waste to fields is an effective measure to improve soil and fix carbon and increase carbon sinks.

[0003] At present, biochar production technology at home and abroad has problems such as complex equipment structure, large investment, and low production efficiency, which makes biochar expensive and difficult to return to the field for application. The characteristics of agricultural waste such as low value, dispersion, and difficulty in transportation determine that a lightweight and simplified carbonization furnace is more in line with actual production needs. Therefore, people have developed and invented a brazier-type gasification carbonization furnace (ZL202120038694.3). However, during the promotion and application of the brazier-type gasification carbonization furnace, it was found that the carbonization furnace could not be easily moved, and could not continuously feed and discharge biomass, resulting in low production efficiency. Summary of the invention

[0004] The utility model aims to solve the technical problems of the existing fire basin type gasification carbonization furnace, that is, the furnace cannot be easily moved, cannot continuously feed and discharge biomass, and leads to low production efficiency, and provides a mobile carbonization furnace.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A mobile carbonization furnace comprises a trolley consisting of a frame (2), a push rod (3), legs (4) and wheels (5), wherein: it also comprises a brazier-type carbonization furnace (1), a charcoal storage tank (6) and a manual screw conveyor (7), wherein the brazier-type carbonization furnace (1) is arranged at the middle and rear part of the frame (2) close to the legs, the charcoal storage tank (6) is arranged at the front end of the frame (2), the manual screw conveyor (7) is arranged between the brazier-type carbonization furnace (1) and the charcoal storage tank (6), and the lower part of the manual screw conveyor (7) is arranged on the side of the lower furnace body of the brazier-type carbonization furnace (1) so that the feed port is connected to the discharge port (1-7) arranged at the bottom end of the furnace body of the brazier-type carbonization furnace (1), and the discharge port of the manual screw conveyor (7) is connected to the feed port of the charcoal storage tank (6).

[0007] Furthermore, the brazier-type carbonization furnace (1) comprises a chimney (1-1), a furnace cover (1-2), a steel bar ring (1-3), a plurality of steel bar support rods (1-5), a furnace body (1-6) and a discharge port (1-7); the furnace body (1-6) is a conical cylinder that is thick at the top and thin at the bottom and has no top surface; the furnace cover (1-2) is a conical cylinder whose bottom edge is provided with a guard edge (1-10); the top edge of the furnace body (1-6) is evenly provided with steel bar support rods (1-5); the upper ends of the steel bar support rods (1-5) are welded to the steel bar ring (1-3); the furnace cover (1-2) is placed on the steel bar ring (1-3) at the top of the furnace body, and the guard edge covers the top of the furnace body; the chimney (1-1) is arranged on a tube opening arranged at the center of the top end of the furnace cover (1-2); and a plurality of air inlet holes (1-8) are evenly arranged at the middle and lower parts of the chimney (1-2).

[0008] Furthermore, a feed port (1-9) is provided on the conical surface of the furnace cover (1-2).

[0009] Furthermore, a plurality of groups of oblique ventilation pipes (1-4) are provided on the inner surface of the furnace hood (1-2), and the oblique ventilation pipes (1-4) are evenly arranged on the inner surface of the furnace hood (1-2) in a counterclockwise direction. The oblique ventilation pipes (1-4) are composed of two sections, one section is arranged on the conical inner surface of the furnace hood (1-2) and stacked together, and the other end is vertically arranged on the inner surface of the furnace hood (1-2) guard edge (1-10) and arranged in sequence.

[0010] Furthermore, the diameter of the bottom end of the furnace cover (1-2) is greater than the diameter of the top end of the furnace body (1-6).

[0011] The beneficial effects of the utility model are:

[0012] Since the utility model sets the brazier-type carbonization furnace on a movable trolley, and sets a manual screw conveyor and a charcoal storage tank on the trolley, the technical problems of the existing brazier-type gasification carbonization furnace, such as the inability to move lightly, the inability to continuously feed and discharge biomass, and the low production efficiency, are solved. A plurality of groups of oblique ventilation pipes are set on the inner surface of the furnace cover to form a counterclockwise vortex along the eccentric force of the earth, which can improve the mixing degree of gas and air and the combustion efficiency. Therefore, compared with the background technology, the utility model has the following advantages:

[0013] 1) The carbonization furnace provided by the utility model can be easily moved in the field to efficiently carbonize agricultural and forestry wastes and return them to the field.

[0014] 2) The carbonization furnace provided by the utility model can continuously add materials, and continuously and conveniently convey the biochar to the charcoal storage tank through a manual screw conveyor, thereby improving work efficiency.

[0015] 3) The utility model has the advantages of simple structure, easy operation, low manufacturing cost, high working efficiency, and a biochar yield of about 25%, which significantly reduces emission indicators such as smoke and Greenman blackness compared with open-air burning. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the brazier type carbonization furnace of the utility model;

[0018] Figure 3 It is a schematic diagram of the arrangement of the oblique ventilation pipe of the utility model in the furnace cover;

[0019] In the figure: 1-brazier type carbonization furnace, 2-frame, 3-hand push rod, 4-leg, 5-wheel, 6-carbon storage tank, 7-manual screw conveyor, 8-handle, 1-1-chimney, 1-2-furnace cover, 1-3-steel ring, 1-4-oblique ventilation pipe, 1-5-steel support rod, 1-6-furnace body, 1-7-discharge port, 1-8-air inlet, 1-9-feed port, 1-10-guard edge, 1-11-air inlet. DETAILED DESCRIPTION

[0020] The utility model is described in detail below with reference to the accompanying drawings and embodiments.

[0021] like Figure 1 and Figure 2 As shown, a mobile carbonization furnace in this embodiment includes a trolley consisting of a frame 2, a push rod 3, legs 4 and wheels 5, wherein: it also includes a brazier carbonization furnace 1, a charcoal storage tank 6 and a manual screw conveyor 7, the brazier carbonization furnace 1 is arranged at the middle and rear part of the frame 2 near the legs, the charcoal storage tank 6 is arranged at the front end of the frame 2, the manual screw conveyor 7 is arranged between the brazier carbonization furnace 1 and the charcoal storage tank 6, and the lower part of the manual screw conveyor 7 is arranged on the side of the lower furnace body of the brazier carbonization furnace 1 and the feed port is connected to the discharge port 1-7 arranged at the bottom end of the furnace body of the brazier carbonization furnace 1, and the discharge port of the manual screw conveyor 7 is connected to the feed port of the charcoal storage tank 6. The top of the manual screw conveyor 7 is provided with a handle 8 and the handle 8 is connected to the screw shaft of the manual screw conveyor 7.

[0022] like Figure 2As shown, the brazier type carbonization furnace 1 comprises a chimney 1-1, a furnace cover 1-2, a steel bar ring 1-3, a plurality of steel bar support rods 1-5, a furnace body 1-6 and a discharge port 1-7. The furnace body 1-6 is a conical cylinder with a thick top and a thin bottom, and has no top surface. The furnace cover 1-2 is a conical cylinder, and a guard 1-10 is provided at the bottom edge. The top edge of the furnace body 1-6 is evenly provided with steel bar support rods 1-5, and the upper ends of the steel bar support rods 1-5 are welded together with the steel bar ring 1-3. The furnace cover 1-2 is placed on the steel bar ring 1-3 at the top of the furnace body, and the guard covers the top of the furnace body. The chimney 1-1 is provided on the tube mouth provided at the center of the top end of the furnace cover 1-2, and a plurality of air inlet holes 1-8 are evenly provided in the middle and lower part of the chimney 1-2. A feed port 1-9 is provided on the conical surface of the furnace cover 1-2. The bottom of the furnace body 1-6 is provided with an air inlet 1-11, and a plug plate is provided on the air inlet 1-11. The diameter of the bottom end of the furnace cover 1-2 is greater than the diameter of the top end of the furnace body 1-6.

[0023] like Figure 3 As shown, a plurality of groups of oblique ventilation pipes 1-4 are provided on the inner surface of the furnace hood 1-2. The oblique ventilation pipes 1-4 are evenly arranged counterclockwise on the inner surface of the furnace hood 1-2. The oblique ventilation pipes 1-4 are composed of two sections, one section is arranged on the conical inner surface of the furnace hood 1-2 and stacked together, and the other end is vertically arranged on the inner surface of the guard edge 1-10 of the furnace hood 1-2 and arranged in sequence.

[0024] The working principle of the utility model is as follows:

[0025] When crop straw or fruit tree branches need to be carbonized, the device of the utility model is pushed to the field, the frame is placed at a suitable position, bricks and other cushioning materials are placed according to the size of the bottom of the furnace body, the bottom of the furnace body of the utility model is placed on the arranged cushioning materials to stabilize the furnace body, and then the biomass to be processed is added into the furnace body through the feed inlet, and the furnace cover is covered on the top of the furnace body, thereby forming a first air inlet channel between the furnace body, the furnace cover and the guard edge, and the chimney is installed on the top of the furnace cover, and the air inlet hole on the chimney forms a second air inlet channel.

[0026] The biomass material is ignited from the feed port, and the biomass material starts to burn from top to bottom. During the combustion process, air enters the furnace from the first air inlet channel and the second air inlet channel to provide the oxygen demand for the biomass material cracking process and the cracking gas combustion process, promoting the rapid carbonization of the biomass and the full combustion of the cracking gas. After the cracking is complete, turn the handle, and the biomass charcoal in the furnace body is transported outward through the manual screw conveyor and discharged into the charcoal storage tank through the discharge port. Water is added to the charcoal storage tank to extinguish the biomass charcoal. Biomass materials can be continuously added into the brazier-type carbonization furnace from the feed port to achieve continuous operation.

[0027] The above specific embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the following description, and these obvious changes or modifications based on the spirit of the present invention are still within the scope of protection of the present invention.

Claims

1. A mobile carbonization furnace, comprising a trolley consisting of a frame (2), a push rod (3), legs (4) and wheels (5), characterized in that: It also comprises a brazier-type carbonization furnace (1), a charcoal storage tank (6) and a manual screw conveyor (7), wherein the brazier-type carbonization furnace (1) is arranged at the middle and rear part of the frame (2) near the supporting legs, the charcoal storage tank (6) is arranged at the front end of the frame (2), the manual screw conveyor (7) is arranged between the brazier-type carbonization furnace (1) and the charcoal storage tank (6), and the lower part of the manual screw conveyor (7) is arranged on the side of the lower furnace body of the brazier-type carbonization furnace (1) so that the feed port is connected to the discharge port (1-7) arranged at the bottom end of the furnace body of the brazier-type carbonization furnace (1), and the discharge port of the manual screw conveyor (7) is connected to the feed port of the charcoal storage tank (6).

2. A mobile carbonization furnace according to claim 1, characterized in that: The brazier-type carbonization furnace (1) comprises a chimney (1-1), a furnace cover (1-2), a steel bar ring (1-3), a plurality of steel bar support rods (1-5), a furnace body (1-6) and a discharge port (1-7). The furnace body (1-6) is a conical cylinder with a thick top and a thin bottom and no top surface. The furnace cover (1-2) is a conical cylinder with a bottom edge provided with a guard (1-10). The top edge of the furnace body (1-6) is evenly provided with steel bar support rods (1-5). The upper ends of the steel bar support rods (1-5) are welded to the steel bar ring (1-3). The furnace cover (1-2) is placed on the steel bar ring (1-3) at the top of the furnace body, and the guard covers the top of the furnace body. The chimney (1-1) is arranged on a tube opening arranged at the center of the top end of the furnace cover (1-2). The middle and lower parts of the chimney (1-1) are evenly provided with a plurality of air inlet holes (1-8).

3. A mobile carbonization furnace according to claim 2, characterized in that: A feed port (1-9) is provided on the conical surface of the furnace cover (1-2).

4. A mobile carbonization furnace according to claim 2, characterized in that: A plurality of groups of oblique ventilation pipes (1-4) are arranged on the inner surface of the furnace cover (1-2), and the oblique ventilation pipes (1-4) are evenly arranged on the inner surface of the furnace cover (1-2) in a counterclockwise direction. The oblique ventilation pipes (1-4) are composed of two sections, one section is arranged on the conical inner surface of the furnace cover (1-2) and stacked together, and the other end is vertically arranged on the inner surface of the furnace cover (1-2) guard edge (1-10) and arranged in sequence.

5. A mobile carbonization furnace according to claim 2, characterized in that: The diameter of the bottom end of the furnace cover (1-2) is greater than the diameter of the top end of the furnace body (1-6).

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