Gasification furnace with waste heat recycling function

Abstract

The utility model relates to the technical field of gasification furnaces, in particular to a gasification furnace with a waste heat recycling function. The gasification furnace comprises a gasification furnace body and a filter mechanism, the filter mechanism comprises an exhaust pipe, the exhaust pipe is arranged at an output port of the gasification furnace body, a connecting pipe is arranged at the top end of the exhaust pipe, a connecting filter pipe is arranged at the top end of the connecting pipe, and an activated carbon purification block is movably connected to the inner side of the connecting filter pipe; a filter screen cover is movably connected to the end face of the top end of the connecting filter pipe, and a connecting assembly is arranged between the filter screen cover and the activated carbon purification block; by arranging the filtering mechanism, gas exhausted from the exhaust pipe can be secondarily filtered, so that the gas exhausted from the connecting filter pipe is fully purified, the air is prevented from being polluted when the gas is exhausted into the air, and meanwhile, the filtering assemblies in the mechanism are detachable and recycled, so that the maintenance is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of gasifiers, in particular to a gasifier with waste heat recycling function. Background Art

[0002] The gasifier is an environmentally friendly, energy-saving, clean fuel appliance suitable for use by farmers in rural areas and towns. In order not to waste the heat generated by the gasifier during combustion, most existing gasifiers have a waste heat recycling system inside.

[0003] However, when the flue gas generated by combustion in the gasifier is discharged, it will pollute the air due to insufficient purification, which is not conducive to environmental protection and destroys the original intention of setting up a waste heat recycling system. For this reason, we propose a gasifier with waste heat recycling. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a gasifier with waste heat recycling, which can perform secondary filtration on the gas discharged from the exhaust pipe, so that the gas discharged through the connecting filter pipe can be fully purified to avoid polluting the air when it is discharged into the air. At the same time, the filter components in this mechanism are detachable and recyclable, which is more convenient to maintain.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a gasifier with waste heat recycling, comprising a gasifier body and a filtering mechanism, the filtering mechanism comprising an exhaust pipe, the exhaust pipe is arranged at the output port of the gasifier body, a connecting pipe is arranged at the top end of the exhaust pipe, a connecting filter pipe is arranged at the top end of the connecting pipe, an activated carbon purification block is movably connected to the inner side of the connecting filter pipe, a filter cover is movably connected to the top end face of the connecting filter pipe, and a connecting assembly is arranged between the filter cover and the activated carbon purification block.

[0006] As a preferred technical solution of the utility model, the connecting assembly includes a filter plug, which is arranged on the bottom end surface of the filter cover, and a connecting slot is opened on the bottom end surface of the filter plug, and a vertical rod is provided on the top end surface of the activated carbon purification block, one end of the vertical rod is inserted into the inner side of the connecting slot and is magnetically connected to the connecting slot.

[0007] As a preferred technical solution of the utility model, a heat sink is provided in an annular shape on the outside of the connecting filter tube, one circle of the heat sink forms a group, and a group of the heat sinks is arranged at equal distances around the outside of the connecting filter tube.

[0008] As a preferred technical solution of the utility model, the vertical poles are arranged in a mirror image with the center point of the activated carbon purification block as the axis, and the number of the connecting slots is the same as that of the vertical poles.

[0009] As a preferred technical solution of the utility model, the outer diameter of the filter cover is the same as the outer diameter of the connecting filter tube, and a sealing gasket is provided at the connection between the filter cover and the connecting filter tube.

[0010] As a preferred technical solution of the utility model, it also includes a disassembly and assembly mechanism, which includes a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate are respectively arranged on the outside of the exhaust pipe and the connecting pipe, the top of the first connecting plate and the inside of the second connecting plate are respectively provided with a first thread groove and a second thread groove, the inner sides of the first thread groove and the second thread groove are threadedly connected with connecting bolts, the connecting bolts are arranged in a ring shape around the top of the second connecting plate, and the number of the second thread groove, the first thread groove and the connecting bolts are the same.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. Through the filter mechanism, the gas discharged from the exhaust pipe can be filtered twice, so that the gas discharged through the connecting filter tube can be fully purified to avoid polluting the air when it is discharged into the air. At the same time, the filter components in this mechanism are detachable and recyclable, which is more convenient for maintenance;

[0013] 2. Through the disassembly and assembly mechanism, when the connecting pipe and the connecting filter tube are used for a long time, the connecting pipe and the connecting filter tube can be disassembled for thorough cleaning to avoid the blockage of the smoke exhaust duct due to long-term lack of maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front cross-sectional structural schematic diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the top view of the connecting filter tube of the utility model;

[0016] Figure 3 For the utility model Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0017] Figure 4 For the utility model Figure 1 A schematic diagram of the enlarged structure at B in the middle;

[0018] Among them: 1. vaporization furnace body; 2. connecting filter tube; 11. exhaust pipe; 12. connecting pipe; 13. first connecting plate; 14. second connecting plate; 15. first thread groove; 16. second thread groove; 17. connecting bolt; 20. heat sink; 21. activated carbon purification block; 22. vertical pole; 23. filter cover; 24. filter plug; 25. connecting slot. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.

[0020] like Figure 1-Figure 3 As shown, a gasifier with waste heat recycling comprises a gasifier body 1 and a filtering mechanism, the filtering mechanism comprises an exhaust pipe 11, the exhaust pipe 11 is arranged at the output port of the gasifier body 1, a connecting pipe 12 is arranged at the top of the exhaust pipe 11, a connecting filter pipe 2 is arranged at the top of the connecting pipe 12, an activated carbon purification block 21 is movably connected to the inner side of the connecting filter pipe 2, a filter cover 23 is movably connected to the top end face of the connecting filter pipe 2, a connecting component is arranged between the filter cover 23 and the activated carbon purification block 21; the connecting component comprises a filter plug 24, the filter plug 24 is arranged at the bottom end face of the filter cover 23, and a connecting slot 25 is opened at the bottom end face of the filter plug 24, a vertical rod 22 is arranged at the top end face of the activated carbon purification block 21, one end of the vertical rod 22 is plugged into the inner side of the connecting slot 25 and is magnetically connected to the connecting slot 25;

[0021] The gasifier is an environmentally friendly, energy-saving, clean fuel appliance suitable for use by farmers in rural areas and towns. In order not to waste the heat generated by the gasifier during combustion, most existing gasifiers have a waste heat recycling system inside.

[0022] However, when the flue gas generated by combustion in the gasifier is discharged, it will pollute the air due to insufficient purification, which is not conducive to environmental protection and destroys the original intention of setting up the waste heat recycling system.

[0023] The waste heat of the burning gasification furnace body 1 is utilized by the built-in recycling system, and the burning flue gas enters the connecting pipe 12 along the exhaust pipe 11 and then enters the connecting filter tube 2. The flue gas is discharged after being filtered by the activated carbon purification block 21 and the filter cover 23, so that the discharged flue gas is purified. When the activated carbon purification block 21 and the filter cover 23 need to be replaced, the filter cover 23 is pulled up, and the activated carbon purification block 21 is pulled up through the connection between the connecting slot 25 and the vertical rod 22. After the whole is pulled out from the connecting filter tube 2, the vertical rod 22 is pulled out from the connecting slot 25, and the activated carbon purification block 21 and the filter cover 23 can be removed, and they can be cleaned or replaced according to the use status of the two.

[0024] The gas discharged from the exhaust pipe 11 can be filtered twice, so that the gas discharged through the connecting filter tube 2 can be fully purified to avoid polluting the air when it is discharged into the air. At the same time, the filter components in this mechanism are all detachable and recyclable, which is more convenient for maintenance.

[0025] In other embodiments, the present embodiment discloses, please Figure 1-Figure 3 As shown, a heat sink 20 is provided in a ring shape on the outer side of the connecting filter tube 2. A circle of heat sinks 20 constitutes a group, and a group of heat sinks 20 is arranged at equal distances around the outer side of the connecting filter tube 2. Through this design, the temperature of the connecting filter tube 2 can be lowered to avoid burns when operating the components inside the connecting filter tube 2.

[0026] In other embodiments, the present embodiment discloses, please Figure 1-Figure 3 As shown, the vertical rod 22 is mirror-set with the center point of the activated carbon purification block 21 as the axis, and the number of connecting slots 25 is the same as that of the vertical rod 22; through this design, the connection point between the filter cover 23 and the activated carbon purification block 21 can be improved, thereby improving the stability of the connection.

[0027] In other embodiments, the present embodiment discloses, please Figure 1-Figure 3 As shown, the outer diameter of the filter cover 23 is the same as the outer diameter of the connecting filter tube 2, and a sealing gasket is provided at the connection between the filter cover 23 and the connecting filter tube 2; through this design, it can be ensured that the filter cover 23 covers the connecting filter tube 2 and is tightly connected to the connecting filter tube 2, which is more convenient to use.

[0028] In other embodiments, the present embodiment discloses, please Figure 1 , Figure 4 As shown, the assembling and disassembling mechanism is also included, and the assembling and disassembling mechanism includes a first connecting plate 13 and a second connecting plate 14, the first connecting plate 13 and the second connecting plate 14 are respectively arranged on the outside of the exhaust pipe 11 and the connecting pipe 12, and the top of the first connecting plate 13 and the inside of the second connecting plate 14 are respectively provided with a first thread groove 15 and a second thread groove 16, and the inner sides of the first thread groove 15 and the second thread groove 16 are threadedly connected with connecting bolts 17, and the connecting bolts 17 are arranged in an annular shape around the top of the second connecting plate 14, and the number of the second thread groove 16, the first thread groove 15 and the connecting bolts 17 are the same;

[0029] Overlap the exhaust pipe 11 and the connecting pipe 12, and align the positions of the second thread groove 16 and the first thread groove 15. Then rotate the connecting bolt 17 to allow the connecting bolt 17 to enter the second thread groove 16 and the first thread groove 15, and the exhaust pipe 11 and the connecting pipe 12 can be connected. When the connecting pipe 12 and the connecting filter pipe 2 are used for a long time, the connecting pipe 12 and the connecting filter pipe 2 can be removed for thorough cleaning to avoid the exhaust duct being blocked due to long-term lack of maintenance.

[0030] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A gasifier with waste heat recycling, comprising a gasifier body (1) and a filtering mechanism, characterized in that: The filtering mechanism comprises an exhaust pipe (11), the exhaust pipe (11) being arranged at an output port of a vaporizing furnace body (1), a connecting pipe (12) being arranged at the top end of the exhaust pipe (11), a connecting filter pipe (2) being arranged at the top end of the connecting pipe (12), an activated carbon purification block (21) being movably connected to the inner side of the connecting filter pipe (2), a filter screen cover (23) being movably connected to the top end surface of the connecting filter pipe (2), and a connecting component being arranged between the filter screen cover (23) and the activated carbon purification block (21).

2. A gasifier with waste heat recycling according to claim 1, characterized in that: The connection assembly comprises a filter plug (24), the filter plug (24) being arranged on the bottom end surface of the filter screen cover (23), and a connection slot (25) being provided on the bottom end surface of the filter plug (24), and a vertical rod (22) being provided on the top end surface of the activated carbon purification block (21), one end of the vertical rod (22) being inserted into the inner side of the connection slot (25) and being magnetically connected to the connection slot (25).

3. The gasifier with waste heat recycling according to claim 1, characterized in that: The outer side of the connecting filter tube (2) is provided with heat sinks (20) in an annular shape, one circle of the heat sinks (20) forms a group, and a group of the heat sinks (20) is arranged at equal distances around the outer side of the connecting filter tube (2).

4. The gasifier with waste heat recycling according to claim 2, characterized in that: The vertical rod (22) is arranged in a mirror image with the center point of the activated carbon purification block (21) as the axis, and the number of the connecting slots (25) is the same as that of the vertical rod (22).

5. The gasifier with waste heat recycling according to claim 1, characterized in that: The outer diameter of the filter cover (23) is the same as the outer diameter of the connecting filter tube (2), and a sealing gasket is provided at the connection between the filter cover (23) and the connecting filter tube (2).

6. The gasifier with waste heat recycling according to claim 1, characterized in that: The invention also comprises a disassembly and assembly mechanism, wherein the disassembly and assembly mechanism comprises a first connecting plate (13) and a second connecting plate (14), wherein the first connecting plate (13) and the second connecting plate (14) are respectively arranged on the outside of the exhaust pipe (11) and the connecting pipe (12), wherein a first thread groove (15) and a second thread groove (16) are respectively provided on the top of the first connecting plate (13) and the inside of the second connecting plate (14), wherein the first thread groove (15) and the second thread groove (16) are threadedly connected with connecting bolts (17) on the inner sides, wherein the connecting bolts (17) are arranged in an annular shape around the top of the second connecting plate (14), and the number of the second thread groove (16), the first thread groove (15) and the connecting bolts (17) are the same.

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