Tar-free biomass gasification furnace
By introducing a spiral flow guide and filtration structure into the biomass gasifier to treat tar, and combining it with a rotating roller and motor to avoid material accumulation, the problem of tar pollution has been solved, and the quality of combustible gas and combustion efficiency have been improved.
Patent Information
- Application Number
- CN202423054689.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Existing biomass gasification furnaces contain tar mixed in with combustible gases, affecting the quality of use and impacting the equipment and the environment. They also lack effective guiding and filtering mechanisms.
Design a tar-free biomass gasifier, comprising a furnace body, heating chamber, gas passage, spiral blades and filter plates. The gasifier utilizes a spiral flow guide and filtration structure to treat tar, and uses rotating rollers and stepper motors to prevent material accumulation and improve combustion efficiency.
It effectively removes tar, improves the quality of combustible gases, increases material utilization and combustion efficiency, reduces equipment impact, and enhances the performance of biomass gasification furnaces.
Smart Images
Figure CN223576417U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of biomass gasification furnace, specifically relates to a tar -free biomass gasification furnace. BACKGROUND
[0002] Biomass gasification furnace is a kind of equipment that converts biomass (such as wood, straw, rice hull, sawdust and other organic matter) into combustible gas, which generates a series of complex chemical reactions under the condition of oxygen deficiency or partial oxygen deficiency through thermochemical process, and generates gas mainly containing combustible components such as carbon monoxide (CO), hydrogen (H2) and methane (CH4). This gas is called biomass fuel gas.
[0003] At present, when using biomass gasification furnace, there is lack of guiding filtering mechanism, usually the combustible gas generated by material gasification is mixed with tar, which not only affects the use quality of combustible material, but also affects the gas using equipment and environment, therefore a tar-free biomass gasification furnace is proposed to increase the guiding filtering mechanism, and the tar in the combustible gas is treated by guiding and filtering, so as to improve the use effect. UTILITY MODEL CONTENT
[0004] In view of the problems in the prior art, the utility model provides a tar-free biomass gasification furnace to treat the tar in the combustible gas, so as to improve the use effect.
[0005] The utility model solves the technical problems by adopting the technical scheme of a tar-free biomass gasification furnace, which comprises a furnace body, a heating bin and a gas passage, the furnace body is provided with the heating bin, the top of the heating bin in the furnace body is provided with a feeding slot, and the feeding slot is communicated with the heating bin, the both sides of the feeding slot in the furnace body are provided with the gas passage, and the bottom of the heating bin in the furnace body is provided with an ash bin.
[0006] The gas passage is provided with a supporting rod connected by bolts, the periphery of the supporting rod is provided with a spiral blade connected by bolts, and the gas passage is filled with filler between the spiral blades.
[0007] By adopting the above technical scheme, the guiding filtering mechanism can be increased, the treatment effect of combustible gas tar can be improved by spiral guiding, and the use effect can be improved.
[0008] Specifically, the rotating roller is installed in the heating bin by bearing, the periphery of the rotating roller is connected with the hole plate by bolts, the periphery of the heating bin in the furnace body is connected with the heat preservation cover by bolts, the surface of the furnace body is connected with the stepping motor by bolts, and the stepping motor is connected with the rotating roller by driving shaft.
[0009] By adopting the technical scheme, the material can be displaced by using the overturning belt, and the combustion effect of the material can be avoided from being affected by the material accumulation.
[0010] Specifically, the filter plate is connected to both ends of the gas passage through bolts, gas outlets are arranged on both sides of the furnace body, and the gas outlets communicate with the gas passage.
[0011] By adopting the technical scheme, the leakage of the filler can be prevented, and the combustible gas generated by gasification can be sent out through the gas outlets.
[0012] Specifically, the furnace grate is connected to the ash bin through bolts, and the furnace door is arranged at the bottom of the furnace body.
[0013] By adopting the technical scheme, the ash material after combustion can be stored, and the bottom of the furnace body can be sealed.
[0014] Specifically, the gas conveying pipe is arranged on one side of the bottom of the furnace body, the gas outlet end of the gas conveying pipe penetrates the ash bin and is located at the bottom of the heating bin, the charging port is arranged at the top of the furnace body, and the charging port communicates with the charging groove.
[0015] By adopting the technical scheme, the air can be conveyed by using the external air blower, and the material can be conveyed into the furnace body through the charging port for combustion and gasification treatment.
[0016] The beneficial effects of the utility model are as follows:
[0017] (1) The tar-free biomass gasification furnace can increase the auxiliary guiding and filtering mechanism, process the tar while outputting the combustible gas by using the spiral structure, improve the quality of the combustible gas, increase the contact area of the filler, improve the utilization rate of the material, and is more reasonable and reliable in use.
[0018] (2) The tar-free biomass gasification furnace can increase the auxiliary gasification structure by using the rotating mode, reduce the influence of the material accumulation on the combustion effect, improve the combustion and gasification quality of the material, and improve the use effect of the biomass gasification furnace. DRAWINGS
[0019] The utility model will be further described below in combination with the drawings and examples.
[0020] Figure 1 It is the whole structure schematic diagram of the utility model;
[0021] Figure 2 It is the furnace body cross section structure schematic diagram of the utility model;
[0022] Figure 3 Fig. 2 is a cross-sectional structure diagram of the combustible passage of the present application;
[0023] In the figure: 1, furnace body; 2, heating bin; 201, rotating roller; 202, hole plate; 203, heat preservation cover; 3, feeding groove; 4, gas passage; 401, supporting rod; 402, spiral blade; 403, filler; 404, filter plate; 5, ash bin; 501, grate; 502, furnace door; 6, gas conveying pipe; 7, feeding port; 8, gas outlet; 9, stepping motor. DETAILED DESCRIPTION
[0024] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application will be further described below in combination with specific embodiments.
[0025] In order to facilitate the output of combustible gas while processing the tar therein, thereby improving the use effect, as shown in Figures 1-3 A tar-free biomass gasification furnace, the utility model discloses a furnace body 1, heating bin 2 and gas passage 4, the furnace body 1 is provided with heating bin 2, the furnace body 1 is located in heating bin 2's top and is provided with feeding groove 3 in the furnace body 1, and feeding groove 3 is connected with heating bin 2, the furnace body 1 is located in heating bin 2's bottom and is provided with ash bin 5 in the furnace body 1 both sides of feeding groove 3 are provided with gas passage 4 in the furnace body 1,
[0026] The supporting rod 401 is connected in the gas passage 4 through bolt, the periphery of supporting rod 401 is connected spiral blade 402 through bolt, and the filler 403 is filled between spiral blade 402 in the gas passage 4.
[0027] In use, through gas passage 4, supporting rod 401, spiral blade 402 and filler 403, the flow guide filtering mechanism can be increased, the processing effect of combustible gas tar is improved by using spiral flow guide, thereby improving the use effect.
[0028] Exemplarily, as shown in Figure 1 、 Figure 2 The present application further comprises that rotating roller 201 is installed in heating bin 2 through bearing, the periphery of rotating roller 201 is connected hole plate 202 through bolt, heat preservation cover 203 is connected in the periphery of heating bin 2 in furnace body 1 through bolt, the surface of furnace body 1 is connected with stepping motor 9 through bolt, and stepping motor 9 is connected with rotating roller 201 through driving shaft.
[0029] In use, by rotating roller 201, hole plate 202, heat preservation cover 203 and stepping motor 9, the material can be displaced by turning over, and the combustion effect of the material is avoided to be affected by material accumulation.
[0030] As shown in Figure 1 , Figure 3 The utility model also includes, both ends in the gas passage 4 are connected with filter plate 404 through bolt, both sides of the furnace body 1 are equipped with gas outlet 8, and the gas outlet 8 communicates gas passage 4.
[0031] In use, through filter plate 404, it is convenient to prevent filler 403 from leaking, through gas outlet 8, combustible gas generated by gasification can be sent out.
[0032] As shown in Figure 2 The utility model also includes, the ash bin 5 is connected with fire grate 501 through bolt, and the bottom of the furnace body 1 is provided with furnace door 502.
[0033] In use, through ash bin 5, fire grate 501 and furnace door 502, it is convenient to store ash after combustion, and the bottom of the furnace body 1 can also be sealed.
[0034] As shown in Figure 1 The utility model also includes, one side of the bottom of the furnace body 1 is provided with gas delivery pipe 6, and the gas outlet end of gas delivery pipe 6 penetrates ash bin 5 and is located at the bottom of heating bin 2, the top of the furnace body 1 is provided with charging port 7, and charging port 7 communicates charging groove 3.
[0035] In use, through gas delivery pipe 6, it is convenient to use external air blower to deliver air, through charging port 7, it is convenient to deliver material into the furnace body 1 for combustion and gasification treatment, and charging port 7 includes a furnace cover.
[0036] In use, first, the operator sends the biomass solid fuel into heating bin 2 through charging groove 3 by charging port 7, so that it falls on the perforated plate 202, uses an igniter to ignite from below the heating bin 2, seals the furnace body 1 through the furnace cover and the furnace door 502, so that the material is incompletely combusted in the heating bin 2, air is pumped into the furnace body 1 through the gas delivery pipe 6, combustible gas is generated by pyrolysis of the biomass solid fuel, is sent out through the gas passage 4 and the gas outlet 8, and the tar in the combustible gas can be treated through the spiral structure of the spiral blade 402 and the filler 403, so as to improve the quality of the combustible gas.
[0037] Moreover, in the process of combusting the biomass solid fuel, the step motor 9 can also be manually opened to drive the rotating roller 201 to rotate, the perforated plate 202 is driven to rotate by the rotating roller 201, the biomass solid fuel is turned over, the material is prevented from accumulating, and the combustion is improved, so as to improve the use effect of the biomass gasifier.
[0038] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A tar-free biomass gasifier, characterized by, Including furnace body (1), heating bin (2) and gas passage (4), the heating bin (2) is arranged in the furnace body (1), the feeding groove (3) is arranged at the top of the heating bin (2) in the furnace body (1), and the feeding groove (3) is communicated with the heating bin (2), the gas passage (4) is arranged on both sides of the feeding groove (3) in the furnace body (1), and the ash bin (5) is arranged at the bottom of the heating bin (2) in the furnace body (1); The support rod (401) is connected in the gas passage (4) by bolt, the outer periphery of the support rod (401) is connected with spiral blade (402) by bolt, and the filler (403) is filled between the spiral blade (402) in the gas passage (4).
2. A tar-free biomass gasifier as claimed in claim 1, wherein, The rotating roller (201) is installed in the heating bin (2) by bearing, the outer periphery of the rotating roller (201) is connected with the perforated plate (202) by bolt, the heat preservation cover (203) is connected by bolt in the outer periphery of the heating bin (2) in the furnace body (1), the surface of the furnace body (1) is connected with the step motor (9) by bolt, and the step motor (9) is connected with the rotating roller (201) by driving shaft.
3. A tar-free biomass gasifier as claimed in claim 1, wherein, Both ends of the gas passage (4) are connected with filter plate (404) by bolt, and the gas outlet (8) is formed on both sides of the furnace body (1), and the gas outlet (8) is communicated with the gas passage (4).
4. A tar-free biomass gasifier as claimed in claim 1, wherein, The ash bin (5) is connected with the grate (501) by bolt, and the furnace door (502) is arranged on the bottom of the furnace body (1).
5. A tar-free biomass gasifier as claimed in claim 1, wherein, One side of the bottom of the furnace body (1) is provided with gas pipe (6), and the gas outlet end of the gas pipe (6) penetrates the ash bin (5) and is located at the bottom of the heating bin (2), and the feeding port (7) is formed on the top of the furnace body (1), and the feeding port (7) is communicated with the feeding groove (3).