Fuel gas and biomass dual-purpose hot blast stove for cotton seed processing
By designing a hot air furnace that selectively burns biomass fuel and gas, the problem of poor heating effect in the prior art is solved, and more efficient heating effect and recycling of flue gas heat is achieved.
Patent Information
- Application Number
- CN202421744325.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-23
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-23
AI Technical Summary
Existing hot air furnaces cannot selectively burn biomass fuel and gas, and the heating effect of the airflow during cotton seed processing is poor.
A dual-purpose hot air furnace for cotton seed processing is designed. By setting a rotatable gas head and inclined inner and outer inclined surfaces in the furnace body, selective combustion of biomass fuel and gas is realized, and the flue gas heat is recovered through the U-shaped tube.
It realizes flexible switching between biomass fuel and gas, improves heating efficiency, improves the recycling rate of flue gas heat, and improves the heating effect during cotton seed processing.
Smart Images

Figure CN222799284U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cotton seed processing, in particular to a gas-biomass dual-purpose hot air furnace for cotton seed processing. Background Art
[0002] In the existing cotton seed processing, a hot air furnace is used to dry the cotton seeds, and the hot air furnace is mainly divided into a hot air furnace burning biomass fuel and a hot air furnace burning gas. When cotton is planted, a large amount of biomass fuel is generated, and the biomass fuel hot air furnace can be used to heat it at this time. When the biomass fuel is used up, gas is used to heat it through the gas hot air furnace. The existing same hot air furnace cannot selectively burn biomass fuel and gas to heat the airflow. Therefore, a gas-biomass dual-purpose hot air furnace for cotton seed processing is proposed. Utility Model Content
[0003] In order to solve at least one of the above-mentioned technical shortcomings, the utility model provides a gas-biomass dual-purpose hot air furnace for cotton seed processing, including a furnace body and a blower. A furnace cavity is opened inside the furnace body, and a feed port penetrating the outer wall of the furnace body is opened on one side of the furnace cavity. A hot air assembly is arranged on the top of the furnace body, and a furnace body door is rotatably connected inside the feed port, and a rotatable gas head is arranged on the inner surface of the furnace body door.
[0004] Furthermore, an inner slope is provided at the top of the furnace cavity, an outer slope is provided at the top of the inner slope, the hot air component is placed on the outer slope, and the inclination angle of the inner slope is greater than the inclination angle of the outer slope.
[0005] Furthermore, a plurality of smoke exhaust pipes are evenly arranged on the inner inclined surface, the inner end of the smoke exhaust pipe is connected to a U-shaped pipe located inside the outer wall of the furnace body, the outer ends of the plurality of U-shaped pipes are connected to a connecting pipe located inside the outer wall of the furnace body, and the connecting pipe is connected to a smoke impulse located on the outer wall of the furnace body.
[0006] Furthermore, a grid is provided at the bottom of the furnace cavity, an ash discharge cavity is provided directly below the grid, and one side of the ash discharge cavity passes through the outer wall of the furnace body.
[0007] Furthermore, an air inlet pipe is provided inside the bottom outer wall of the furnace body, the outer end of the air inlet pipe is connected to the air outlet of the blower, the air inlet pipe is arranged in a Q shape, and a plurality of air injection pipes penetrating the bottom of the furnace cavity are evenly arranged in the circular area of the air inlet pipe.
[0008] Furthermore, rotating holes are provided at the top and bottom of the left side of the feed port, a rotating shaft rotatably connected to the rotating hole is provided on the left side of the furnace body door, a through hole is provided in the middle of the top of the furnace body door, a supporting groove is provided on the back of the furnace body door directly below the through hole, a rotating shaft is integrally connected to the outer wall of the top end of the gas head, the rotating shaft is cooperatively connected with the hole shafts on the outer walls of both sides of the supporting groove, and an air intake pipe is provided at the top of the gas head, and the air intake pipe passes through the through hole.
[0009] Furthermore, the hot air assembly includes a connecting seat fixed on the outer inclined surface, a flange pipe is provided on the top of the connecting seat, and a filter screen is provided on the bottom of the connecting seat. Beneficial Effects
[0010] When using biomass fuel for heating, the biomass fuel is fed into the interior of the furnace cavity from the feed port, the biomass fuel is ignited, and heating is performed by burning the biomass fuel; when heating is performed by gas, the furnace door is opened, the rotatable gas head on the inner surface of the furnace door is rotated to a direction perpendicular to the inner surface of the furnace door, the furnace door is closed, the gas is turned on, the gas head is ignited, and heating is performed by burning the gas.
[0011] The hot air assembly is supported and fixed by the inclined surface of the outer inclined surface, and the inclined angle of the inner inclined surface is greater than the inclined angle of the outer inclined surface, so that the outer inclined surface and the inner inclined surface can generate two inclined surfaces with different inclined angles.
[0012] When burning biomass fuel, the flue gas generated by the combustion of biomass fuel enters the interior of the U-shaped tube from the exhaust pipe, then enters the interior of the connecting tube from the interior of the U-shaped tube, and then enters the interior of the smoke chamber from the interior of the connecting tube. The U-shaped tube can recover the heat inside the flue gas to the furnace body.
[0013] The realization of the purpose, functional features and advantages of the present invention will be further described in conjunction with embodiments and with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is an axonometric view of the furnace body of the present utility model.
[0015] Figure 2 It is an axial cross-sectional view of the furnace body of the present utility model.
[0016] Figure 3 It is an axonometric view of the furnace door of the present utility model.
[0017] Figure 4 It is an axonometric view of the feed port of the utility model.
[0018] Figure 5 It is an overall axonometric drawing of the utility model.
[0019] Figure 6 It is an axonometric view of the filter screen of the present utility model.
[0020] Figure 7 It is an axonometric view of the hot air component of the utility model.
[0021] exist Figures 1 to 7, the correspondence between the component names or lines and the figure numbers is: furnace body 1, furnace cavity 101, inner bevel 102, outer bevel 103, smoke exhaust pipe 104, U-shaped pipe 105, connecting pipe 106, smoke flushing 107, feeding port 108, rotating hole 181, grid 109, ash discharge cavity 110, air inlet pipe 111, jet pipe 112, blower 2, furnace door 3, rotating shaft 301, through hole 302, supporting groove 303, hot air assembly 4, connecting seat 401, flange pipe 402, filter screen 403, gas head 5, rotating shaft 501, air inlet pipe 502. DETAILED DESCRIPTION
[0022] Please refer to Figures 1 to 7 ;
[0023] This embodiment provides a gas-biomass dual-purpose hot air furnace for cotton seed processing, referring to Figure 1 and Figure 5 , comprising a furnace body 1 and a blower 2, a furnace cavity 101 is provided inside the furnace body 1, a material inlet 108 penetrating the outer wall of the furnace body 1 is provided on one side of the furnace cavity 101, a hot air assembly 4 is provided on the top of the furnace body 1, a furnace door 3 is rotatably connected inside the material inlet 108, and a rotatable gas head 5 is provided on the inner surface of the furnace door 3;
[0024] In a specific implementation, when biomass fuel is used for heating, the biomass fuel is fed into the furnace chamber 101 from the feed port 108, the biomass fuel is ignited, and heating is performed by burning the biomass fuel;
[0025] When heating is performed by gas, the furnace door 3 is opened, the rotatable gas head 5 on the inner surface of the furnace door 3 is rotated to a direction perpendicular to the inner surface of the furnace door 3, the furnace door 3 is closed, the gas is turned on, the gas head 5 is ignited, and heating is performed by burning the gas.
[0026] For further reference, Figure 1 and Figure 2 The top of the furnace chamber 101 is provided with an inner bevel 102, the top of the inner bevel 102 is provided with an outer bevel 103, the hot air assembly 4 is placed on the outer bevel 103, and the inclination angle of the inner bevel 102 is greater than the inclination angle of the outer bevel;
[0027] In specific implementation, the hot air assembly 4 is supported and fixed by the inclined surface of the outer inclined surface 103, and the inclined angle of the inner inclined surface 102 is greater than the inclined angle of the outer inclined surface, so that the outer inclined surface and the inner inclined surface 102 can generate two inclined surfaces with different inclined angles.
[0028] For further reference, Figure 1 and Figure 2A plurality of smoke exhaust pipes 104 are evenly arranged on the inner inclined surface 102, and one inner end of the smoke exhaust pipe 104 is connected with a U-shaped pipe 105 located inside the outer wall of the furnace body 1, and one outer end of the plurality of U-shaped pipes 105 is connected with a connecting pipe 106 located inside the outer wall of the furnace body 1, and the connecting pipe 106 is connected with a smoke vent 107 located on the outer wall of the furnace body 1;
[0029] In a specific implementation, when biomass fuel is burned, the flue gas generated by the combustion of the biomass fuel enters the interior of the U-shaped tube 105 from the exhaust pipe 104, then enters the interior of the connecting tube 106 from the interior of the U-shaped tube 105, and then enters the interior of the smoke chamber 107 from the interior of the connecting tube 106, and the U-shaped tube 105 can recover the heat inside the flue gas to the furnace body 1.
[0030] For further reference, Figure 2 and Figure 6 A grid frame 109 is provided at the bottom of the furnace chamber 101, and an ash discharge chamber 110 is provided directly below the grid frame 109, and one side of the ash discharge chamber 110 passes through the outer wall of the furnace body 1;
[0031] In a specific implementation, when the biomass fuel is burned, the grid 109 can allow the ash generated by the biomass combustion to fall from the grid 109 into the ash discharge chamber 110 .
[0032] For further reference, Figure 6 An air inlet pipe 111 is provided inside the bottom outer wall of the furnace body 1, and the outer end of the air inlet pipe 111 is connected to the air outlet of the blower 2. The air inlet pipe 111 is arranged in a Q shape, and a plurality of air injection pipes 112 penetrating the bottom of the furnace chamber 101 are evenly arranged in the circular area of the air inlet pipe 111;
[0033] In the specific implementation, the airflow used for heating is generated by the blower 2 and enters from the air inlet pipe 111, and then sprayed into the bottom of the furnace chamber 101 from a plurality of injection pipes 112. The airflow is heated by the heat generated by the combustion, and at the same time, the airflow increases oxygen for the combustion of biomass fuel and gas.
[0034] For further reference, Figure 3 and Figure 4 , a rotating hole 181 is provided at the top and bottom of the left side of the feed port 108, a rotating shaft 301 rotatably connected to the rotating hole 181 is provided on the left side of the furnace door 3, a through hole 302 is provided in the middle of the top of the furnace door 3, a supporting groove 303 is provided on the back of the furnace door 3 just below the through hole 302, a rotating shaft 501 is integrally connected to the outer wall of the top of the gas head 5, the rotating shaft 501 is matched with the outer wall holes on both sides of the supporting groove 303, and an air inlet pipe 502 is provided at the top of the gas head 5, and the air inlet pipe 502 passes through the through hole 302;
[0035] In specific implementation, when switching between the combustion of biomass fuel and gas, hold the gas head 5 and rotate the gas head 5, so that the rotating shaft 501 rotates on both sides of the support groove 303, and the end of the gas head 5 is rotated to be perpendicular to the inner surface of the furnace door 3, and then the furnace door 3 is closed to complete the switching of the combustion mode. When using biomass fuel for combustion, the gas head 5 is rotated and stored in the back of the furnace door 3, so that the biomass fuel will not burn the gas head 5 during combustion.
[0036] For further reference, Figure 7 The hot air assembly 4 includes a connection seat 401 fixed on the outer inclined surface 103, a flange pipe 402 is provided on the top of the connection seat 401, and a filter screen 403 is provided on the bottom of the connection seat 401;
[0037] In a specific implementation, when the biomass fuel is burned, the filter 403 filters out the particulate matter inside the flue gas.
Claims
1. A gas-biomass dual-purpose hot air furnace for cotton seed processing, comprising a furnace body (1) and a blower (2), wherein a furnace chamber (101) is provided inside the furnace body (1), a material inlet (108) penetrating through the outer wall of the furnace body (1) is provided on one side of the furnace chamber (101), and a hot air assembly (4) is provided on the top of the furnace body (1), characterized in that: A furnace door (3) is rotatably connected to the inside of the material inlet (108), and a rotatable gas head (5) is provided on the inner surface of the furnace door (3).
2. According to claim 1, a gas-biomass dual-purpose hot air furnace for cotton seed processing, characterized in that: An inner bevel (102) is provided at the top of the furnace cavity (101), an outer bevel (103) is provided at the top of the inner bevel (102), a hot air assembly (4) is placed on the outer bevel (103), and an inclination angle of the inner bevel (102) is greater than an inclination angle of the outer bevel.
3. A gas-biomass dual-purpose hot air furnace for cotton seed processing according to claim 2, characterized in that: A plurality of smoke exhaust pipes (104) are evenly arranged on the inner inclined surface (102); an inner end of the smoke exhaust pipe (104) is connected to a U-shaped pipe (105) located inside the outer wall of the furnace body (1); an outer end of the plurality of U-shaped pipes (105) is connected to a connecting pipe (106) located inside the outer wall of the furnace body (1); and a smoke nozzle (107) located on the outer wall of the furnace body (1) is connected to the connecting pipe (106).
4. A gas-biomass dual-purpose hot air furnace for cotton seed processing according to claim 3, characterized in that: A grid frame (109) is provided at the bottom of the furnace chamber (101), and an ash discharge chamber (110) is provided directly below the grid frame (109), with one side of the ash discharge chamber (110) penetrating the outer wall of the furnace body (1).
5. A gas-biomass dual-purpose hot air furnace for cotton seed processing according to claim 4, characterized in that: An air inlet pipe (111) is provided inside the bottom outer wall of the furnace body (1), the outer end of the air inlet pipe (111) is connected to the air outlet of the blower (2), the air inlet pipe (111) is arranged in a Q-shape, and a plurality of air injection pipes (112) penetrating the bottom of the furnace cavity (101) are evenly arranged in a circular area of the air inlet pipe (111).
6. A gas-biomass dual-purpose hot air furnace for cotton seed processing according to claim 5, characterized in that: A rotating hole (181) is provided at the top and bottom of the left side of the feed port (108); a rotating shaft (301) rotatably connected to the rotating hole (181) is provided on the left side of the furnace door (3); a through hole (302) is provided in the middle of the top of the furnace door (3); a supporting groove (303) is provided on the back of the furnace door (3) directly below the through hole (302); a rotating shaft (501) is integrally connected to the outer wall of the top end of the gas head (5); the rotating shaft (501) is axially connected to the outer wall holes on both sides of the supporting groove (303); an air inlet pipe (502) is provided at the top end of the gas head (5); and the air inlet pipe (502) passes through the through hole (302).
7. A gas-biomass dual-purpose hot air furnace for cotton seed processing according to claim 6, characterized in that: The hot air assembly (4) comprises a connection seat (401) fixed on the outer inclined surface (103); a flange pipe (402) is provided on the top of the connection seat (401); and a filter screen (403) is provided on the bottom of the connection seat (401).