Straw pyrolysis carbonization furnace
By designing a gas combustion recycling mechanism in the straw pyrolysis carbonization furnace, the problem of uncombusted gas containing combustible components and harmful substances is solved, efficient combustion of gas and efficient utilization of energy are achieved, and environmental pollution is reduced.
Patent Information
- Application Number
- CN202420672999.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-02
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-04-02
AI Technical Summary
The existing straw pyrolysis carbonization furnace does not have a gas combustion recycling mechanism, which causes the gas that has not been recycled to contain combustible components and harmful substances, resulting in waste of energy and resources and environmental pollution.
A straw pyrolysis carbonization furnace including a carbonization furnace body, a gas combustion recycling mechanism and a pyrolysis platform is designed. The gas combustion recycling mechanism realizes combustion and recycling of gas through an air outlet pump, an air outlet pipe, a combustion chamber, an air intake pump, an air intake pipe and an exhaust pipe.
Through the arrangement of the gas combustion recycling mechanism, unused gas can be effectively burned, energy utilization efficiency can be improved, and environmental pollution impact can be reduced.
Smart Images
Figure CN222631355U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of biomass carbonization, and in particular relates to a straw pyrolysis carbonization furnace. Background Art
[0002] Straw materials contain a large amount of combustible biomass such as cellulose, hemicellulose and lignin. These biomass reacts rapidly to form biochar, bio-oil and non-condensable gas. Biochar can be used as high-quality energy, soil conditioner, etc., while bio-oil, as a renewable liquid fuel, is increasingly replacing fossil liquid fuels such as heavy oil, crude oil and diesel in boilers and kilns. In recent years, the production and application of biochar has attracted domestic and foreign attention and has become a research hotspot.
[0003] Currently, the existing straw pyrolysis carbonization furnaces do not have a gas combustion and recycling mechanism. The gas that is not burned and recycled will contain combustible components and harmful substances, such as carbon monoxide, methane and volatile organic compounds. If these gases cannot be fully burned and utilized, it will lead to a waste of energy resources. At the same time, direct emissions into the atmosphere will pollute the environment and have an adverse impact on air quality and the ecosystem. Utility Model Content
[0004] The technical problem to be solved by the utility model is that: without a gas combustion and recycling mechanism, the gas that has not been burned and recycled will contain combustible components and harmful substances, such as carbon monoxide, methane and volatile organic compounds.
[0005] The technical solution adopted by the utility model to solve its technical problems is: a straw pyrolysis carbonization furnace, comprising a carbonization furnace body, a gas combustion recycling mechanism and a pyrolysis platform, the gas combustion recycling mechanism is arranged on the right side of the top of the pyrolysis platform, the gas combustion recycling mechanism comprises an air outlet pump, an air outlet pipe, a combustion chamber, an air intake pump, an air intake pipe and an exhaust pipe, the air outlet pump is fixedly installed on the right side of the carbonization furnace body, the air outlet pipe is fixedly installed on the right side of the carbonization furnace body, the combustion chamber is fixedly installed on the right side of the top of the pyrolysis platform and is fixedly connected to the air outlet pipe, the air intake pump is fixedly installed on the top of the combustion chamber, the air intake pipe is fixedly installed on the left side of the air intake pump and is fixedly connected to the carbonization furnace body, and the exhaust pipe is fixedly installed on the right side of the combustion chamber.
[0006] As a preferred embodiment of the present invention, a sealing mechanism is provided on the left and right surfaces and the back of the carbonization furnace body, and the sealing mechanism includes sealing cotton and carbon fiber cloth. The sealing cotton is fixedly installed on the left and right surfaces of the carbonization furnace body, and the carbon fiber cloth is fixedly installed on the back of the carbonization furnace body.
[0007] As a preferred embodiment of the utility model, an inert atmosphere mechanism is provided on the surface of the left side of the carbonization furnace body and extends to the interior thereof, and the inert atmosphere mechanism includes a nitrogen box, a nitrogen pump and a nitrogen pipeline. The nitrogen box is fixedly installed on the surface of the left side of the carbonization furnace body, the nitrogen pump is fixedly installed on the top of the nitrogen box, and the nitrogen pipeline is fixedly installed on the left side of the inner cavity of the carbonization furnace body and is fixedly connected to the nitrogen box.
[0008] As a preferred embodiment of the utility model, a carbonization mechanism is provided on the top of the carbonization furnace body and extends to the interior thereof, and the carbonization mechanism includes a high-temperature water vapor box, a steam pump and a steam pipe. The high-temperature water vapor box is fixedly installed on the top of the carbonization furnace body, the steam pump is fixedly installed on the top of the high-temperature water vapor box, and the steam pipe is fixedly installed on the top of the inner cavity of the carbonization furnace body and is fixedly connected to the high-temperature water vapor box.
[0009] As a preferred embodiment of the present invention, a heating mechanism is provided at the bottom of the inner cavity of the carbonization furnace body, and the heating mechanism includes a fixed base and an electric heating tube. The fixed base is fixedly installed at the bottom of the front and back sides of the inner cavity of the carbonization furnace body, and the electric heating tube is fixedly installed on the inner side of the fixed base.
[0010] As a preferred embodiment of the utility model, a placement mechanism is provided at the bottom of the inner cavity of the carbonization furnace body, and the placement mechanism includes a support column, a placement plate and a rectangular notch, the support column is fixedly installed at the bottom of the inner cavity of the carbonization furnace body, the placement plate is fixedly installed on the top of the support column, and the rectangular notch is opened on the inner side of the top of the placement plate.
[0011] As a preferred embodiment of the utility model, a glass window is provided on the top of the front side of the carbonization furnace body, a movable door is movably connected to the bottom of the front side of the carbonization furnace body, a door handle is fixedly connected to the surface of the movable door, and support legs are fixedly connected on all sides of the bottom of the pyrolysis platform.
[0012] The beneficial effects of the utility model are:
[0013] 1. This straw pyrolysis carbonization furnace, by setting up a gas combustion and recycling mechanism, can effectively realize the function of burning and recycling the gas generated by the straw at high temperature during use. The straw pyrolysis carbonization furnace can realize the combustion and recycling of the generated gas, thereby improving energy utilization efficiency and reducing the impact on the environment.
[0014] 2. This straw pyrolysis carbonization furnace, by setting up an inert atmosphere mechanism, can effectively realize the function of providing an inert atmosphere, protecting the carbonization furnace and controlling the carbonization process parameters during use to improve the effect of the carbonization process and the quality of the product. The introduction of nitrogen can control the parameters of the carbonization process, such as temperature, pressure and atmosphere composition, and by adjusting the nitrogen flow and pressure, the carbonization process can be precisely controlled to meet specific needs and optimize product quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure provided by an embodiment of the utility model;
[0016] Figure 2 It is a side view of the overall mechanism provided by the embodiment of the utility model;
[0017] Figure 3 It is a cross-sectional view of the carbonization furnace body structure provided by the embodiment of the utility model;
[0018] Figure 4 It is a schematic diagram of the heating mechanism structure provided by an embodiment of the utility model.
[0019] Explanation of markings in the figure: 1. Carbonization furnace body; 2. Gas combustion and recycling mechanism; 201. Air outlet pump; 202. Air outlet pipe; 203. Combustion chamber; 204. Air intake pump; 205. Air intake pipe; 206. Exhaust pipe; 3. Sealing mechanism; 301. Sealing cotton; 302. Carbon fiber cloth; 4. Inert atmosphere mechanism; 401. Nitrogen box; 402. Nitrogen pump; 403. Nitrogen pipe; 5. Carbonization mechanism; 501. High-temperature steam box; 502. Steam pump; 503. Steam pipe; 6. Heating mechanism; 601. Fixed base; 602. Electric heating tube; 7. Placement mechanism; 701. Support column; 702. Placement plate; 703. Rectangular notch; 8. Pyrolysis platform; 9. Glass window; 10. Movable door; 11. Door handle; 12. Support leg. DETAILED DESCRIPTION
[0020] The present invention will now be further described in detail in conjunction with the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.
[0021] like Figures 1 to 4As shown, the utility model provides a straw pyrolysis carbonization furnace, including a carbonization furnace body 1, a gas combustion recycling mechanism 2 and a pyrolysis platform 8, the gas combustion recycling mechanism 2 is arranged on the right side of the top of the pyrolysis platform 8, the gas combustion recycling mechanism 2 includes an air outlet pump 201, an air outlet pipe 202, a combustion chamber 203, an air intake pump 204, an air intake pipe 205 and an exhaust pipe 206, the air outlet pump 201 is fixedly installed on the right side of the carbonization furnace body 1, the air outlet pipe 202 is fixedly installed on the right side of the carbonization furnace body 1, the combustion chamber 203 is fixedly installed on the right side of the top of the pyrolysis platform 8 and is fixedly connected to the air outlet pipe 202, the air intake pump 204 is fixedly installed on the top of the combustion chamber 203, the air intake pipe 205 is fixedly installed on the left side of the air intake pump 204 and is fixedly connected to the carbonization furnace body 1, and the exhaust pipe 206 is fixedly installed on the right side of the combustion chamber 203.
[0022] refer to Figure 1 , Figure 2 and Figure 3 The surfaces of the left and right sides and the back of the carbonization furnace body 1 are provided with sealing mechanisms 3, the sealing mechanisms 3 include sealing cotton 301 and carbon fiber cloth 302, the sealing cotton 301 is fixedly installed on the surfaces of the left and right sides of the carbonization furnace body 1, the carbon fiber cloth 302 is fixedly installed on the back of the carbonization furnace body 1, and an inert atmosphere mechanism 4 is provided on the surface of the left side of the carbonization furnace body 1 and extends to the inside thereof, the inert atmosphere mechanism 4 includes a nitrogen box 401, a nitrogen pump 402 and a nitrogen pipeline 403, the nitrogen box 401 is fixedly installed on the surface of the left side of the carbonization furnace body 1, and the nitrogen pump 402 is fixedly installed on the The top of the nitrogen box 401, the nitrogen pipeline 403 is fixedly installed on the left side of the inner cavity of the carbonization furnace body 1 and is fixedly connected to the nitrogen box 401, the top of the carbonization furnace body 1 and extending to the inside thereof is provided with a carbonization mechanism 5, the carbonization mechanism 5 includes a high-temperature water vapor box 501, a steam pump 502 and a steam pipeline 503, the high-temperature water vapor box 501 is fixedly installed on the top of the carbonization furnace body 1, the steam pump 502 is fixedly installed on the top of the high-temperature water vapor box 501, and the steam pipeline 503 is fixedly installed on the top of the inner cavity of the carbonization furnace body 1 and is fixedly connected to the high-temperature water vapor box 501.
[0023] The above scheme is adopted: through the setting of the sealing cotton 301 and the carbon fiber cloth 302, the carbonization furnace body 1 can be effectively sealed. Through the setting of the nitrogen box 401, it usually has a certain capacity and can be loaded with enough nitrogen to supply the carbonization furnace body 1 for use. Through the setting of the nitrogen pump 402, nitrogen is extracted from the nitrogen box 401 and supplied to the carbonization furnace body 1 through the nitrogen pipeline 403, which usually has a certain pressure and flow range to meet the demand for inert atmosphere in the carbonization furnace body 1. Through the setting of the high-temperature water vapor box 501, a container for storing and supplying high-temperature water vapor has a certain capacity and high temperature resistance to meet the demand for water vapor during the carbonization process. Through the setting of the steam pump 502, high-temperature water vapor is extracted from the high-temperature water vapor box 501 and supplied to the inside of the carbonization furnace body 1 through the steam pipeline 503.
[0024] refer to Figures 1 to 4 A heating mechanism 6 is provided at the bottom of the inner cavity of the carbonization furnace body 1, and the heating mechanism 6 includes a fixed base 601 and an electric heating tube 602. The fixed base 601 is fixedly installed at the bottom of the front and back of the inner cavity of the carbonization furnace body 1, and the electric heating tube 602 is fixedly installed on the inner side of the fixed base 601. A placement mechanism 7 is provided at the bottom of the inner cavity of the carbonization furnace body 1, and the placement mechanism 7 includes a support column 701, a placement plate 702 and a rectangular notch 703. The support column 701 is fixedly installed at the bottom of the inner cavity of the carbonization furnace body 1, and the placement plate 702 is fixedly installed on the top of the support column 701. The rectangular notch 703 is opened on the inner side of the top of the placement plate 702. A glass window 9 is opened at the top of the front of the carbonization furnace body 1, and a movable door 10 is movably connected to the bottom of the front of the carbonization furnace body 1. A door handle 11 is fixedly connected to the surface of the movable door 10, and support legs 12 are fixedly connected to the four sides of the bottom of the pyrolysis platform 8.
[0025] The above scheme is adopted: through the setting of the fixed base 601, it is convenient to fix the electric heating tube 602. Through the setting of the electric heating tube 602, it is mainly to provide a heat source to help heat the material in the carbonization furnace. Through the setting of the support column 701, the placement plate 702 can be supported and fixed. Through the setting of the placement plate 702, it is convenient to install the rectangular slot 703. Through the setting of the rectangular slot 703, it is used to store straw. Through the setting of the glass window 9, it is convenient for the operator to observe the reaction inside the carbonization furnace body 1. Through the setting of the movable door 10 and the door handle 11, it is convenient to put straw into the interior of the carbonization furnace body 1. Through the setting of the support leg 12, the device can be supported.
[0026] Working principle:
[0027] When in use, the movable door 10 is opened through the door handle 11, and the straw to be pyrolyzed and carbonized is placed in the rectangular notch 703 on the surface of the placement plate 702, and the electric heating tube 602 is started to convert electrical energy into thermal energy through the electric heating tube 602. This part of thermal energy is transferred to the straw in the carbonization furnace body 1, and the nitrogen pump 402 is started. Nitrogen is extracted from the nitrogen box 401 through the nitrogen pump 402 and supplied to the carbonization furnace body 1 through the nitrogen pipeline 403, and nitrogen protective gas is continuously introduced to maintain an inert atmosphere in the furnace to ensure the integrity and adequacy of the cracking and carbonization reaction, and the air outlet pump 201 is started to pass the gas generated by the straw under high temperature through the air outlet pipeline 403 through the air outlet pump 201. The carbonization furnace body 1 is carbonized by the carbonization process, and the carbonization furnace body 1 is carbonized by the carbonization process. The carbonized carbon is extracted from the carbonization furnace 1 by the carbonization process, and the carbon is then activated by the carbonization process. The carbon is then activated by the carbonization process, and the carbon is then activated by the carbonization process. The carbon is then activated by the carbonization process, and the carbon is then activated by the carbonization process. The carbon is then activated by the carbonization process, and the activated carbon is then activated by the carbonization process. The activated carbon is then activated by the carbonization process, and the activated carbon is then activated by the carbonization process.
[0028] In summary: the gas combustion and recycling mechanism 2 contains the air outlet pump 201, the air outlet pipe 202, the combustion chamber 203, the air intake pump 204, the air intake pipe 205 and the exhaust pipe 206, which can realize the function of burning and recycling the gas generated by the straw at high temperature during use. The straw pyrolysis carbonization furnace can realize the combustion and recycling of the generated gas, thereby improving the energy utilization efficiency and reducing the impact on the environment. The nitrogen box 401, the nitrogen pump 402 and the nitrogen pipe 403 contained in the inert atmosphere mechanism 4 can realize the function of providing an inert atmosphere, protecting the carbonization furnace and controlling the carbonization process parameters during use to improve the effect of the carbonization process and the quality of the product. The introduction of nitrogen can control the parameters of the carbonization process, such as temperature, pressure and atmosphere composition. By adjusting the nitrogen flow and pressure, the carbonization process can be accurately controlled to meet specific needs and optimize product quality.
[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device;
[0030] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents;
[0031] The above description only describes the specific implementation methods of the utility model. Various examples do not limit the essential content of the utility model. Ordinary technicians in the relevant technical field can modify or deform the specific implementation methods described above after reading the description without departing from the essence and scope of the utility model.
Claims
1. A straw pyrolysis carbonization furnace, comprising a carbonization furnace body (1), a gas combustion recycling mechanism (2) and a pyrolysis platform (8), characterized in that: The gas combustion recycling mechanism (2) is arranged on the right side of the top of the pyrolysis platform (8), and comprises an air outlet pump (201), an air outlet pipeline (202), a combustion chamber (203), an air intake pump (204), an air intake pipeline (205) and an exhaust pipeline (206). The air outlet pump (201) is fixedly mounted on the right side of the carbonization furnace body (1), the air outlet pipeline (202) is fixedly mounted on the right side of the carbonization furnace body (1), the combustion chamber (203) is fixedly mounted on the right side of the top of the pyrolysis platform (8) and is fixedly connected to the air outlet pipeline (202), the air intake pump (204) is fixedly mounted on the top of the combustion chamber (203), the air intake pipeline (205) is fixedly mounted on the left side of the air intake pump (204) and is fixedly connected to the carbonization furnace body (1), and the exhaust pipeline (206) is fixedly mounted on the right side of the combustion chamber (203).
2. A straw pyrolysis carbonization furnace according to claim 1, characterized in that: The surfaces on the left and right sides and the back side of the carbonization furnace body (1) are provided with sealing mechanisms (3), and the sealing mechanisms (3) comprise sealing cotton (301) and carbon fiber cloth (302). The sealing cotton (301) is fixedly mounted on the surfaces on the left and right sides of the carbonization furnace body (1), and the carbon fiber cloth (302) is fixedly mounted on the back side of the carbonization furnace body (1).
3. The straw pyrolysis carbonization furnace according to claim 1, characterized in that: An inert atmosphere mechanism (4) is arranged on the surface of the left side of the carbonization furnace body (1) and extends to the interior thereof. The inert atmosphere mechanism (4) comprises a nitrogen box (401), a nitrogen pump (402) and a nitrogen pipeline (403). The nitrogen box (401) is fixedly installed on the surface of the left side of the carbonization furnace body (1), the nitrogen pump (402) is fixedly installed on the top of the nitrogen box (401), and the nitrogen pipeline (403) is fixedly installed on the left side of the inner cavity of the carbonization furnace body (1) and is fixedly connected to the nitrogen box (401).
4. The straw pyrolysis carbonization furnace according to claim 1, characterized in that: A carbonization mechanism (5) is arranged on the top of the carbonization furnace body (1) and extends to the interior thereof. The carbonization mechanism (5) comprises a high-temperature water vapor box (501), a steam pump (502) and a steam pipe (503). The high-temperature water vapor box (501) is fixedly mounted on the top of the carbonization furnace body (1), the steam pump (502) is fixedly mounted on the top of the high-temperature water vapor box (501), and the steam pipe (503) is fixedly mounted on the top of the inner cavity of the carbonization furnace body (1) and is fixedly connected to the high-temperature water vapor box (501).
5. The straw pyrolysis carbonization furnace according to claim 1, characterized in that: A heating mechanism (6) is provided at the bottom of the inner cavity of the carbonization furnace body (1), and the heating mechanism (6) comprises a fixed base (601) and an electric heating tube (602). The fixed base (601) is fixedly installed at the bottom of the front and back sides of the inner cavity of the carbonization furnace body (1), and the electric heating tube (602) is fixedly installed on the inner side of the fixed base (601).
6. The straw pyrolysis carbonization furnace according to claim 1, characterized in that: A placement mechanism (7) is provided at the bottom of the inner cavity of the carbonization furnace body (1), and the placement mechanism (7) comprises a support column (701), a placement plate (702) and a rectangular notch (703); the support column (701) is fixedly mounted at the bottom of the inner cavity of the carbonization furnace body (1); the placement plate (702) is fixedly mounted on the top of the support column (701); and the rectangular notch (703) is opened on the inner side of the top of the placement plate (702).
7. The straw pyrolysis carbonization furnace according to claim 1, characterized in that: A glass window (9) is provided at the top of the front of the carbonization furnace body (1); a movable door (10) is movably connected to the bottom of the front of the carbonization furnace body (1); a door handle (11) is fixedly connected to the surface of the movable door (10); and support legs (12) are fixedly connected to the four sides of the bottom of the pyrolysis platform (8).