Gas purification device for high-temperature sintering furnace

Abstract

The utility model relates to the technical field of high-temperature sintering furnaces, and discloses a high-temperature sintering furnace gas purification device which comprises a treatment tower, mounting grooves are formed in the two sides of the inner wall of the treatment tower, mounting blocks are slidably connected to the interiors of the two mounting grooves, and an activated carbon filter layer is fixedly connected to the upper portion of the inner side of each mounting block. A coarse mesh filtering layer is fixedly connected to the lower portion of the inner side of the mounting block, a cooling box is fixedly connected to the bottom of the treatment tower, the left end of the cooling box fixedly communicates with an air inlet pipe, the right end of the air inlet pipe fixedly communicates with a heat exchange pipe, and cooling fins are arranged on the surface of the heat exchange pipe; the top of the right side of the heat exchange pipe fixedly communicates with a gas outlet pipe, the heat exchange pipe, heat dissipation fins, the cooling box and the like are arranged and used in cooperation, heat exchange with cooling water in the cooling box is conducted through the heat exchange pipe and the heat dissipation fins, and therefore waste heat in waste gas is recycled; meanwhile, the situation that purification equipment is damaged by high-temperature waste gas is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of high-temperature sintering furnaces, in particular to a gas purification device for a high-temperature sintering furnace. Background Art

[0002] High temperature sintering furnace is a heat treatment equipment that uses metal powder or a mixture of metal powder and non-metallic powder as raw material to form metal or alloy parts through forming and sintering. It is mainly used for pressing iron-based, copper-based and other related powder metallurgy products.

[0003] The existing high-temperature sintering furnace gas purification devices on the market have the disadvantage of being inconvenient to cool down the exhaust gas. During use, the high-temperature exhaust gas is generally directly introduced into the purification equipment, which not only wastes the residual heat of the exhaust gas, but also directly enters the purification equipment, which is easy to cause damage to the purification equipment and affect its normal use. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a high-temperature sintering furnace gas purification device to solve the problem that the existing high-temperature sintering furnace gas purification devices on the market mentioned in the above background technology are not convenient for cooling the exhaust gas. During use, the high-temperature exhaust gas is generally directly introduced into the purification equipment, which not only wastes the residual heat of the exhaust gas, but also directly enters the purification equipment, which is easy to damage the purification equipment and affect its normal use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high-temperature sintering furnace gas purification device comprises a treatment tower, a top cover is arranged on the top of the treatment tower, an exhaust pipe is fixedly connected to the top of the top cover, mounting grooves are provided on both sides of the inner wall of the treatment tower, mounting blocks are slidably connected inside the two mounting grooves, handles are fixedly connected to the tops of the two mounting blocks, an activated carbon filter layer is fixedly connected to the upper inner side of the mounting block, a fine mesh filter layer is fixedly connected to the middle inner side of the mounting block, a coarse mesh filter layer is fixedly connected to the lower inner side of the mounting block, an ash collecting trough is fixedly connected to the bottom of the mounting block, a cooling box is fixedly connected to the bottom of the treatment tower, a water inlet is arranged on the top front side of the cooling box, an air inlet pipe is fixedly connected to the left end of the cooling box, a heat exchange pipe is fixedly connected to the right end of the air inlet pipe, a heat exchange pipe is fixedly connected to the surface of the heat exchange pipe, a heat dissipation fin is provided, an air outlet pipe is fixedly connected to the right top of the heat exchange pipe, and a drain valve is fixedly connected to the right end of the cooling box.

[0006] Preferably, the diameter of the ash collecting trough is the same as the diameter of the inner wall of the processing tower, and the ash collecting trough fits tightly against the inner wall of the processing tower.

[0007] By adopting the above technical solution, an ash collecting trough, a treatment tower, etc. are set up for use together. The dust and impurities filtered out of the exhaust gas can be collected through the ash collecting trough, making it convenient for the staff to clean up later.

[0008] Preferably, the air outlet pipe passes through the top wall of the cooling box and extends to the interior of the processing tower.

[0009] Preferably, there are a plurality of heat dissipation fins, and the plurality of heat dissipation fins are distributed on the surface of the heat exchange tube in a linear array, and the spacings between the plurality of heat dissipation fins are the same.

[0010] By adopting the above technical solution, by setting up heat dissipation fins, heat exchange tubes, etc. for use in combination, a number of heat dissipation fins are in contact with the heat exchange tubes, thereby increasing the area of ​​the heat exchange tubes, thereby enhancing the heat exchange efficiency of the heat exchange tubes, improving work efficiency, and facilitating use by staff.

[0011] Preferably, the shape and size of the mounting block are the same as those of the mounting groove, and the mounting block fits tightly against the inner wall of the mounting groove.

[0012] By adopting the above technical solution, by setting up the installation block, the installation slot and the like for use in combination, the installation block can be slid out of the installation slot to drive the ash collecting trough to be taken out from the discharge tower, so that the staff can clean the dust and impurities conveniently and use it conveniently.

[0013] Preferably, the diameter of the activated carbon filter layer is the same as the diameter of the fine mesh filter layer and the coarse mesh filter layer.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The high-temperature sintering furnace gas purification device is used in conjunction with heat exchange tubes, radiating fins, cooling boxes, etc., and heat is exchanged with cooling water in the cooling box through the heat exchange tubes and then through the radiating fins, so as to recycle the waste heat in the exhaust gas and avoid the damage of the purification equipment caused by high-temperature exhaust gas.

[0016] 2. The high-temperature sintering furnace gas purification device can drive the ash collecting trough, activated carbon filter layer, fine mesh filter layer and coarse mesh filter layer to be taken out from the discharge tower by sliding the mounting block out of the mounting groove, so that the staff can clean the dust and impurities conveniently and use it conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the treatment tower of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the treatment tower of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the ash collecting trough of the utility model;

[0021] Figure 5 This is a schematic diagram of the heat exchange tube structure of the utility model.

[0022] In the figure: 1. treatment tower; 2. top cover; 3. exhaust pipe; 4. mounting slot; 5. mounting block; 6. handle; 7. activated carbon filter layer; 8. fine mesh filter layer; 9. coarse mesh filter layer; 10. ash collecting trough; 11. cooling box; 12. air inlet pipe; 13. water inlet; 14. drain valve; 15. heat exchange tube; 16. cooling fins; 17. air outlet pipe. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1:

[0025] Please refer to Figures 1-4, a high-temperature sintering furnace gas purification device includes a treatment tower 1, a top cover 2 is arranged on the top of the treatment tower 1, the top of the top cover 2 is fixedly connected to an exhaust pipe 3, mounting grooves 4 are opened on both sides of the inner wall of the treatment tower 1, and mounting blocks 5 are slidably connected inside the two mounting grooves 4, and handles 6 are fixedly connected to the tops of the two mounting blocks 5, an activated carbon filter layer 7 is fixedly connected to the upper inner side of the mounting block 5, a fine mesh filter layer 8 is fixedly connected to the middle inner side of the mounting block 5, a coarse mesh filter layer 9 is fixedly connected to the lower inner side of the mounting block 5, and an ash collecting trough 10 is fixedly connected to the bottom of the mounting block 5, the diameter of the ash collecting trough 10 is the same as the inner wall diameter of the treatment tower 1, and the ash collecting trough 10 is connected to the treatment tower 1. 1 is tightly fitted to the inner wall of the treatment tower 1, a cooling box 11 is fixedly connected to the bottom of the treatment tower 1, a water inlet 13 is opened on the front side of the top of the cooling box 11, an air inlet pipe 12 is fixedly connected to the left end of the cooling box 11, a heat exchange pipe 15 is fixedly connected to the right end of the air inlet pipe 12, a heat exchange pipe 15 is arranged on the surface of the heat exchange pipe 15, and the number of the heat exchange fins 16 is several, and the several heat exchange fins 16 are distributed on the surface of the heat exchange pipe 15 in a linear array, and the spacing between the several heat exchange fins 16 is the same, an outlet pipe 17 is fixedly connected to the top of the right side of the heat exchange pipe 15, the outlet pipe 17 passes through the top wall of the cooling box 11 and extends to the interior of the treatment tower 1, and a drain valve 14 is fixedly connected to the right end of the cooling box 11.

[0026] Working principle: When in use, the staff will fill the cooling water into the cooling box 11 through the water inlet 13 in advance. At this time, the staff will transport the high-temperature exhaust gas generated by the high-temperature sintering furnace to the heat exchange tube 15 through the air inlet pipe 12. The heat exchange tube 15 then exchanges heat with the cooling water in the cooling box 11 through the heat dissipation fins 16, thereby cooling the high-temperature exhaust gas. The cooled exhaust gas is transported to the exhaust pipe 17 by the heat exchange tube 15, and the exhaust pipe 17 then discharges the exhaust gas to the interior of the treatment tower 1. The exhaust gas passes through the coarse mesh filter layer 9 and the fine mesh filter layer 8 in the interior of the treatment tower 1 in turn, thereby filtering the coarser dust and finer dust in the exhaust gas respectively. The filtered exhaust gas passes through the activated carbon filter layer 7 to absorb the odor in the exhaust gas, thereby completing the purification. The purified exhaust gas is discharged through the exhaust pipe 3.

[0027] Compared with the related art, the high-temperature sintering furnace gas purification device provided by the utility model has the following beneficial effects: by arranging the heat exchange tube 15, the heat dissipation fins 16, the cooling box 11 and the like for use in combination, heat is exchanged with the cooling water in the cooling box 11 through the heat exchange tube 15 and then through the heat dissipation fins 16, so that the waste heat in the exhaust gas is recovered and utilized, and at the same time, the damage of the purification equipment to the high-temperature exhaust gas is avoided.

[0028] Embodiment 2:

[0029] Please refer to Figures 1-5. A top cover 2 is provided on the top of the treatment tower 1, and an exhaust pipe 3 is fixedly connected to the top of the top cover 2. Installation grooves 4 are opened on both sides of the inner wall of the treatment tower 1. Installation blocks 5 are slidably connected inside the two installation grooves 4, and handles 6 are fixedly connected to the tops of the two installation blocks 5. An activated carbon filter layer 7 is fixedly connected to the upper inner side of the installation block 5, a fine mesh filter layer 8 is fixedly connected to the middle inner side of the installation block 5, and a coarse mesh filter layer 9 is fixedly connected to the lower inner side of the installation block 5. An ash collecting trough 10 is fixedly connected to the bottom of the installation block 5. The diameter of the ash collecting trough 10 is the same as the diameter of the inner wall of the treatment tower 1, and the ash collecting trough 10 is tightly fitted to the inner wall of the treatment tower 1, and the diameter of the activated carbon filter layer 7 is the same as the diameter of the fine mesh filter layer 8 and the coarse mesh filter layer 9.

[0030] Working principle: When the staff needs to clean and maintain the various filter layers inside the treatment tower 1, the staff can unscrew the bolts on the right side of the top cover 2 to unlock the top cover 2. At this time, the staff rotates the top cover 2 around the rotating shaft on the left side of the treatment tower 1 to expose the inner wall of the treatment tower 1 to the outside world. The staff can lift the handle 6 upward to drive the mounting block 5 to slide out of the mounting groove 4 to drive the ash collecting trough 10, activated carbon filter layer 7, fine mesh filter layer 8 and coarse mesh filter layer 9 to be taken out from the discharge tower. At this time, the staff can carry out cleaning and maintenance for the next use.

[0031] Compared with the related art, the high-temperature sintering furnace gas purification device provided by the utility model has the following beneficial effects: the ash collecting trough 10, the activated carbon filter layer 7, the fine mesh filter layer 8 and the coarse mesh filter layer 9 can be taken out from the discharge tower by sliding the mounting block 5 out in the mounting groove 4, which is convenient for the staff to clean the dust and impurities and convenient for the staff to use.

[0032] Although 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 that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-temperature sintering furnace gas purification device, comprising a treatment tower (1), characterized in that: The top of the treatment tower (1) is provided with a top cover (2), the top of the top cover (2) is fixedly connected to an exhaust pipe (3), mounting grooves (4) are provided on both sides of the inner wall of the treatment tower (1), mounting blocks (5) are slidably connected inside the two mounting grooves (4), handles (6) are fixedly connected to the tops of the two mounting blocks (5), an activated carbon filter layer (7) is fixedly connected to the upper inner side of the mounting block (5), a fine mesh filter layer (8) is fixedly connected to the middle inner side of the mounting block (5), a coarse mesh filter layer (9) is fixedly connected to the lower inner side of the mounting block (5), and the The bottom of the mounting block (5) is fixedly connected to an ash collecting trough (10), the bottom of the treatment tower (1) is fixedly connected to a cooling box (11), a water inlet (13) is provided on the top front side of the cooling box (11), the left end of the cooling box (11) is fixedly connected to an air inlet pipe (12), the right end of the air inlet pipe (12) is fixedly connected to a heat exchange pipe (15), a heat dissipation fin (16) is provided on the surface of the heat exchange pipe (15), the top right side of the heat exchange pipe (15) is fixedly connected to an air outlet pipe (17), and the right end of the cooling box (11) is fixedly connected to a drain valve (14).

2. A high temperature sintering furnace gas purification device according to claim 1, characterized in that: The diameter of the ash collecting trough (10) is the same as the diameter of the inner wall of the processing tower (1), and the ash collecting trough (10) is tightly fitted to the inner wall of the processing tower (1).

3. A high temperature sintering furnace gas purification device according to claim 1, characterized in that: The air outlet pipe (17) penetrates the top wall of the cooling box (11) and extends to the interior of the processing tower (1).

4. A high temperature sintering furnace gas purification device according to claim 1, characterized in that: The number of the heat dissipation fins (16) is a plurality, and the plurality of heat dissipation fins (16) are distributed on the surface of the heat exchange tube (15) in a linear array, and the spacing between the plurality of heat dissipation fins (16) is the same.

5. A high temperature sintering furnace gas purification device according to claim 1, characterized in that: The shape and size of the mounting block (5) are the same as those of the mounting groove (4), and the mounting block (5) fits tightly against the inner wall of the mounting groove (4).

6. A high temperature sintering furnace gas purification device according to claim 1, characterized in that: The diameter of the activated carbon filter layer (7) is the same as the diameters of the fine mesh filter layer (8) and the coarse mesh filter layer (9).

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