Biomass gasification hot blast stove

Abstract

The utility model discloses a biomass gasification hot-blast stove, which relates to the technical field of hot-blast stoves, and comprises a hot-blast stove main body, the outer side of the bottom of the hot-blast stove main body is fixedly connected with a feeding channel, the bottom of the hot-blast stove main body is fixedly provided with a fixed base, and one side of the hot-blast stove main body is fixedly provided with a breather pipe. The other side of the hot-blast stove body is fixedly connected with a ventilation pipeline, a fixing pipe is arranged at the end, close to the hot-blast stove body, of the ventilation pipeline, and the other end of the fixing pipe is fixedly installed on the surface of the hot-blast stove body. Through mutual cooperation of the ventilation pipeline, the air outlet, the filter layer assembly and the filter screen, the problem that in the combustion process of the hot blast stove, harmful gas is prone to being generated and discharged along with smoke dust, and therefore environmental protection of the hot blast stove is reduced is solved, the smoke filtering and discharging functions are achieved, and the smoke dust is filtered and treated through double filtering of the filter layer assembly and the filter screen; and the environment-friendly function of the device is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of hot blast furnaces, in particular to a biomass gasification hot blast furnace. Background Art

[0002] Biomass is an ideal renewable energy source that is energy-saving and environmentally friendly. It has a wide range of sources, and a large amount of agriculture and agricultural waste is produced every year. With the development of productivity and the acceleration of agricultural modernization, facility agriculture has developed by leaps and bounds in recent years, among which plastic greenhouses account for a large proportion of facility agriculture.

[0003] In the existing technical scheme, a publication number: CN112980512A is proposed, which is a biomass gasification low-emission hot air furnace. The gasifier is a downdraft gasifier, which is mainly composed of four parts, a hopper and feeding device area, a gasification area, a combustion area, and a heat exchange area. The hopper and feeding device area is composed of a hopper and a variable pitch feeding auger.

[0004] In order to solve the problem of high pollutant emissions from existing biomass direct-fired boilers, the existing technology is to adjust the flow speed and direction of the flue gas, guide the flue gas to flow to the burnout zone, ensure the complete and stable combustion of the gas, and at the same time make the fly ash carried in the flue gas settle to the bottom, reduce the amount of flue gas dust emissions, and when the flue gas dust is discharged, the harmful gases are discharged along with the smoke dust, thereby reducing the environmental protection problems of the hot blast furnace. Utility Model Content

[0005] The purpose of the utility model is to provide a biomass gasification hot air furnace to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A biomass gasification hot blast furnace comprises a hot blast furnace body, a feeding channel is fixedly connected to the outer side of the bottom of the hot blast furnace body, a fixed base is fixedly installed on the bottom of the hot blast furnace body, a ventilation pipe is fixedly installed on one side of the hot blast furnace body, and a ventilation duct is fixedly connected to the other side of the hot blast furnace body.

[0008] A fixed pipe is arranged at one end of the ventilation duct close to the hot blast stove body, the other end of the fixed pipe is fixedly mounted on the surface of the hot blast stove body, and a disassembly mechanism is arranged on the outer side of the fixed pipe.

[0009] An air outlet is provided at one end of the ventilation duct away from the fixed pipe, and a filtering mechanism is fixedly installed inside the air outlet.

[0010] A further improvement of the technical solution of the utility model is that the disassembly mechanism includes a plug-in rod, one end of the plug-in rod is movably sleeved on a limit shaft, a sleeve ring is fixedly installed on the inner side of the limit shaft, a plug-in plate is fixedly installed on the inner side of the sleeve ring, and one end of the plug-in plate is movably installed on the inner side of the fixed tube.

[0011] By adopting the above technical solution, the function of position limiting installation is achieved through the cooperation between the plug-in rod, the position limiting shaft and the sleeve ring.

[0012] A further improvement of the technical solution of the utility model is that a rubber gasket is fixedly installed on the inner side of the sleeve ring, and the inner side of the rubber gasket is fixedly installed on the outer side of the ventilation duct.

[0013] By adopting the above technical solution, the sleeve ring and the rubber gasket cooperate with each other to achieve the function of stable installation.

[0014] A further improvement of the technical solution of the utility model is that the filtering mechanism comprises a filtering layer assembly, a filtering screen is arranged on one side of the filtering layer assembly, and the outer side of the filtering screen is fixedly installed inside the ventilation duct.

[0015] By adopting the above technical solution, the filtering layer component and the filter screen cooperate with each other to achieve the filtering processing function.

[0016] A further improvement of the technical solution of the utility model is that a mounting shell is provided at the bottom of the filter layer assembly, and the outer side of the mounting shell is fixedly mounted inside the ventilation duct.

[0017] A further improvement of the technical solution of the utility model is that a clamping hole is opened at the bottom of the inner cavity of the installation shell, a clamping column is movably installed inside the clamping hole, and the top of the clamping column is fixedly installed at the bottom of the filter layer assembly.

[0018] By adopting the above technical solution, the function of the clamping installation is achieved through the cooperation between the clamping hole, the clamping column and the filter layer assembly.

[0019] A further improvement of the technical solution of the utility model is that a friction pad is fixedly installed on the inner side of the mounting shell, and a suction cup block is fixedly installed on the inner side of the friction pad.

[0020] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0021] 1. The utility model provides a biomass gasification hot blast furnace, which solves the problem that the disassembly function of the smoke exhaust mechanism of the hot blast furnace is poor, which is not conducive to the later disassembly and maintenance of the device, thus affecting the practicality of the device, through the cooperation of the sleeve ring, the limit shaft, the plug-in rod and the fixed pipe. The function of threaded disassembly is achieved, and the nut on one side of the limit shaft is disassembled by thread, so that the plug-in rod can be easily separated from the inside of the limit shaft, which is convenient for the sleeve ring to drive the ventilation duct to be disassembled from the side of the hot blast furnace body, which is conducive to the convenient disassembly and maintenance of the device.

[0022] 2. The utility model provides a biomass gasification hot air furnace, which solves the problem that harmful gases are easily generated in the hot air furnace during combustion through the cooperation of ventilation ducts, air outlets, filter layer components and filter nets. With the discharge of smoke, the environmental protection problem of the hot air furnace is reduced, and the function of filtering and exhausting smoke is achieved. The smoke is filtered and processed under the double filtration of the filter layer component and the filter net, which is beneficial to increase the environmental protection function of the device.

[0023] 3. The utility model provides a biomass gasification hot air furnace, which solves the problem that the filtering mechanism is limited in filtering smoke and dust, resulting in increasingly poor filtering effect after long-term use, affecting the environmental protection effect of the device through the mutual cooperation of the clamping column, the mounting shell, the friction pad and the clamping hole, and achieves the function of convenient installation and disassembly. The clamping column is sleeved inside the clamping hole and cooperates with the friction force of the friction pad to facilitate the convenient installation and disassembly of the filter assembly, which is beneficial to increase the endurance of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the ventilation duct structure of the utility model;

[0026] Figure 3 For this utility model Figure 2 A in the enlarged view;

[0027] Figure 4 This is a schematic diagram of the structure of the filter layer assembly of the utility model;

[0028] Figure 5 This is a schematic diagram of the friction pad structure of the utility model.

[0029] In the figure: 1. hot air furnace body; 2. feeding channel; 3. ventilation pipe; 4. ventilation duct; 41. air outlet; 42. filter layer assembly; 421. clamping column; 422. mounting shell; 423. friction pad; 424. clamping hole; 425. suction cup block; 43. filter screen; 44. sleeve ring; 441. rubber gasket; 45. limit shaft; 47. plug-in rod; 48. fixing pipe; 5. fixing base. DETAILED DESCRIPTION

[0030] The present invention is further described in detail below in conjunction with the embodiments:

[0031] like Figure 1-5 As described above, the utility model provides the following solutions.

[0032] Example 1

[0033] The present embodiment provides a biomass gasification hot blast furnace, including a hot blast furnace body 1, a feeding channel 2 is fixedly connected to the outer side of the bottom of the hot blast furnace body 1, a fixed base 5 is fixedly installed on the bottom of the hot blast furnace body 1, a ventilation pipe 3 is fixedly installed on one side of the hot blast furnace body 1, and a ventilation duct 4 is fixedly connected to the other side of the hot blast furnace body 1. A fixed pipe 48 is arranged at one end of the ventilation duct 4 close to the hot blast furnace body 1, and the other end of the fixed pipe 48 is fixedly installed on the surface of the hot blast furnace body 1. A disassembly mechanism is arranged on the outer side of the fixed pipe 48, and the disassembly mechanism includes a plug-in rod 47, one end of the plug-in rod 47 is movably sleeved with a limiting shaft 45, a sleeve ring 44 is fixedly installed on the inner side of the limiting shaft 45, a plug-in plate 46 is fixedly installed on the inner side of the sleeve ring 44, and the plug-in plate 46 is fixedly installed on the inner side of the plug-in plate 46. One end of 6 is movably mounted on the inner side of the fixed tube 48, and a rubber gasket 441 is fixedly mounted on the inner side of the sleeve ring 44. The inner side of the rubber gasket 441 is fixedly mounted on the outer side of the ventilation duct 4. The fuel is placed through the feeding channel 2 at the bottom of the hot blast stove main body 1, and is input from the top to the bottom of the hot blast stove main body 1 through the ventilation pipe 3. In combination with the oxygen injection method, the fuel at the bottom is fully burned to improve the efficiency of internal combustion, and the burning smoke is discharged along the ventilation duct 4. When the equipment is regularly maintained, the nut on one side of the limit shaft 45 is manually screwed to facilitate the separation of the plug-in rod 47 from the limit shaft 45, thereby facilitating the sleeve ring 44 to drive the ventilation duct 4 to be disassembled from the outer surface of the hot blast stove main body 1, which is conducive to convenient disassembly and maintenance of the device and increases the service life of the device.

[0034] Example 2

[0035] On the basis of Example 1, this embodiment provides a technical solution: preferably, an air outlet 41 is provided at one end of the ventilation duct 4 away from the fixed pipe 48, and a filtering mechanism is fixedly installed inside the air outlet 41, and the filtering mechanism includes a filter layer assembly 42, and a filter screen 43 is provided on one side of the filter layer assembly 42, and the outer side of the filter screen 43 is fixedly installed inside the ventilation duct 4, and a mounting shell 422 is provided at the bottom of the filter layer assembly 42, and the outer side of the mounting shell 422 is fixedly installed inside the ventilation duct 4. When the smoke from the combustion is discharged along the ventilation duct 4, it passes through the filter screen 43 for preliminary particle filtration, and then the filter layer assembly 42 filters and adsorbs harmful gases in the smoke, thereby achieving the function of filtering and exhausting air, thereby improving the environmental protection function of the hot air stove.

[0036] Example 3

[0037] On the basis of Example 1, this embodiment provides a technical solution: preferably, a snap-in hole 424 is opened at the bottom of the inner cavity of the mounting shell 422, a snap-in column 421 is movably installed inside the snap-in hole 424, the top of the snap-in column 421 is fixedly installed on the bottom of the filter layer assembly 42, a friction pad 423 is fixedly installed on the inner side of the mounting shell 422, a suction cup block 425 is fixedly installed on the inner side of the friction pad 423, the filter layer assembly 42 cooperates with the snap-in column 421 to be sleeved on the inside of the snap-in hole 424, and the outer side of the filter layer assembly 42 is in contact with the friction pad 423, the suction cup block 425 squeezes and adsorbs the filter layer assembly 42, so as to achieve the function of limiting and fixing, facilitate the convenient installation and disassembly of the filter layer assembly 42, and facilitate the convenient replacement of the filter assembly of the device, thereby increasing the endurance of the filter mechanism.

[0038] The working principle of the biomass gasification hot air furnace is described in detail below.

[0039] like Figure 1-5 As shown, the fuel is placed through the feeding channel 2 at the bottom of the hot blast stove body 1, and the vent pipe 3 is used to input the fuel from the top to the bottom of the hot blast stove body 1, and the fuel at the bottom is fully burned in combination with the oxygen injection method, thereby improving the efficiency of the internal combustion, and the burning smoke is discharged along the ventilation duct 4. When the equipment is regularly maintained, the nut on one side of the limit shaft 45 is manually screwed to facilitate the separation of the plug-in rod 47 from the limit shaft 45, thereby facilitating the sleeve ring 44 to drive the ventilation duct 4 to be disassembled from the outer surface of the hot blast stove body 1, which is conducive to the convenient disassembly and maintenance of the device and increases the service life of the device. The filter layer assembly 42 cooperates with the clamping column 42 1 is sleeved inside the clamping hole 424, and the outer side of the filter layer component 42 contacts the friction pad 423, and the suction cup block 425 squeezes and adsorbs the filter layer component 42 to achieve the function of limiting and fixing, which is convenient for the convenient installation and removal of the filter layer component 42, and is conducive to the convenient replacement of the filter component of the device, thereby increasing the endurance of the filter mechanism, and then when the smoke from the combustion is discharged along the ventilation duct 4, it passes through the filter net 43 for preliminary particle filtration, and then the filter layer component 42 filters and adsorbs the harmful gas in the smoke, thereby achieving the function of filtering and exhausting air, thereby improving the environmental protection function of the hot air stove.

[0040] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A biomass gasification hot blast furnace, comprising a hot blast furnace body (1), characterized in that: A feeding channel (2) is fixedly connected to the outer side of the bottom of the hot blast stove body (1), a fixed base (5) is fixedly installed on the bottom of the hot blast stove body (1), a ventilation pipe (3) is fixedly installed on one side of the hot blast stove body (1), and a ventilation duct (4) is fixedly connected to the other side of the hot blast stove body (1); A fixed pipe (48) is provided at one end of the ventilation duct (4) close to the hot blast stove body (1), the other end of the fixed pipe (48) is fixedly mounted on the surface of the hot blast stove body (1), and a disassembly mechanism is provided on the outside of the fixed pipe (48); An air outlet (41) is provided at one end of the ventilation duct (4) away from the fixed pipe (48), and a filtering mechanism is fixedly installed inside the air outlet (41).

2. The biomass gasification hot air furnace according to claim 1, characterized in that: The disassembly mechanism comprises a plug-in rod (47), one end of the plug-in rod (47) is movably sleeved on a limit shaft (45), a sleeve ring (44) is fixedly installed on the inner side of the limit shaft (45), a plug-in plate (46) is fixedly installed on the inner side of the sleeve ring (44), and one end of the plug-in plate (46) is movably installed on the inner side of a fixed tube (48).

3. The biomass gasification hot air furnace according to claim 2, characterized in that: A rubber gasket (441) is fixedly mounted on the inner side of the sleeve ring (44), and the inner side of the rubber gasket (441) is fixedly mounted on the outer side of the ventilation duct (4).

4. The biomass gasification hot air furnace according to claim 1, characterized in that: The filtering mechanism comprises a filtering layer assembly (42), a filtering screen (43) is arranged on one side of the filtering layer assembly (42), and the outer side of the filtering screen (43) is fixedly mounted inside the ventilation duct (4).

5. The biomass gasification hot air furnace according to claim 4, characterized in that: A mounting shell (422) is provided at the bottom of the filter layer assembly (42), and the outer side of the mounting shell (422) is fixedly mounted inside the ventilation duct (4).

6. The biomass gasification hot air furnace according to claim 5, characterized in that: A snap-in hole (424) is provided at the bottom of the inner cavity of the mounting shell (422), a snap-in column (421) is movably installed inside the snap-in hole (424), and the top of the snap-in column (421) is fixedly installed on the bottom of the filter layer assembly (42).

7. The biomass gasification hot air furnace according to claim 5, characterized in that: A friction pad (423) is fixedly mounted on the inner side of the mounting shell (422), and a suction cup block (425) is fixedly mounted on the inner side of the friction pad (423).

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