Waste gas treatment device for bell-type furnace

Abstract

The utility model discloses a waste gas treatment device for a bell-type furnace, which relates to the technical field of waste gas treatment and comprises a treatment cavity, a first connecting pipe is fixedly arranged below the treatment cavity, the lower part of the first connecting pipe is connected to a drain pipe of the bell-type furnace through threads, and a convergent opening positioned in the treatment cavity is fixedly arranged above the first connecting pipe; a water passing cavity is fixedly formed in the position, above the collecting opening, of the treatment cavity, a plurality of sprayers in an array are fixedly arranged on the side, located in the treatment cavity, of the water passing cavity, a second connecting pipe is fixedly arranged at the upper end of the treatment cavity, a placing ring is fixedly arranged on the inner wall of the second connecting pipe, and an activated carbon layer is placed in the placing ring. The waste gas treatment device is simple in structure, convenient to disassemble, high in practicability and suitable for popularization, waste gas is treated in a spraying mode, the waste gas continuously rises and is filtered through the activated carbon layer, and the pressure of the activated carbon layer is relieved in a secondary treatment mode.

Description

Technical Field

[0001] The utility model belongs to the technical field of waste gas treatment, and in particular relates to a bell furnace waste gas treatment device. Background Art

[0002] The bell furnace has excellent characteristics such as good temperature uniformity, flexible atmosphere furnace pressure control, easy maintenance, and high automation level. It is widely used in the fields of magnetic materials, special ceramics, functional ceramics, electronic components, etc. The bell furnace is used as sintering equipment. When the bell furnace is in use, its combustion will produce exhaust gas, so an exhaust gas treatment device is required. The exhaust gas generated by the combustion of the bell furnace is mostly treated by adsorption.

[0003] When the existing bell furnace exhaust gas treatment device filters the exhaust gas through the activated carbon layer, the activated carbon layer needs to be replaced frequently, and the replacement is inconvenient. Utility Model Content

[0004] The purpose of the utility model is to provide a bell-shaped furnace exhaust gas treatment device, which has a simple structure and is easy to disassemble. When treating the exhaust gas, the exhaust gas is treated by spraying, and the exhaust gas continues to rise and is filtered through the activated carbon layer, thereby reducing the pressure of the activated carbon layer in a secondary treatment manner. The utility model has strong practicality and is suitable for promotion.

[0005] The utility model provides the following technical solution: a bell-shaped furnace exhaust gas treatment device, comprising a treatment chamber, a first connecting pipe is fixedly provided at the bottom of the treatment chamber, the bottom of the first connecting pipe is connected to the exhaust pipe of the bell-shaped furnace by a thread, a convergence port located in the treatment chamber is fixedly provided above the first connecting pipe, a water passage chamber is fixedly provided on the treatment chamber above the convergence port, a plurality of nozzles in an array are fixedly provided on one side of the water passage chamber located in the treatment chamber, a second connecting pipe is fixedly provided at the upper end of the treatment chamber, a placement ring is fixedly provided on the inner wall of the second connecting pipe, an activated carbon layer is placed in the placement ring.

[0006] Preferably, one side of the water passage cavity is connected with a water passage pipe, and the water passage pipe is fixedly provided with a connecting head, and the connecting head is tightly connected to the water passage cavity through an outer closed thread. The water passage pipe has water pressure when supplying water, and when the water pressure satisfies the nozzle to spray out a water column, the water column can be ejected between the two nozzles on the other side.

[0007] Preferably, the processing chamber is a rectangular chamber, the nozzle is connected to the water pipe, the nozzle is arranged in two opposite rows, the nozzle nozzle is positioned toward the middle of the two nozzles in the other row, the outer wall of the convergence port is an inclined wall, which together with the inner wall of the processing chamber forms a water storage tank with a narrow bottom and a wide opening, and a drainage pipe is fixedly provided at the bottom of the water storage tank.

[0008] Preferably, the upper end of the second connecting pipe is connected to a lower pressure seat via threads, an upper pressure ring is fixedly provided on the inner wall of the lower pressure seat, and the upper pressure ring is pressed on the upper part of the activated carbon layer.

[0009] The beneficial effects of the utility model are as follows: the structure is simple and easy to disassemble. When treating the waste gas, the waste gas is treated by spraying, and the waste gas continues to rise and is filtered through the activated carbon layer, and the pressure of the activated carbon layer is reduced by secondary treatment. The utility model has strong practicality, as follows:

[0010] (1) The utility model is provided with a treatment chamber. When treating waste gas, a water pipe supplies water into the water chamber, and water is sprayed from a nozzle to the opposite side to form a horizontal water curtain. Waste gas passes through the water curtain, and most of the particles in the waste gas are taken away by the water flow. The waste gas treated by spraying continues to rise, and is adsorbed again by the activated carbon layer and discharged from the pipe of the lower pressure seat. The water sprayed to the opposite side slides down after impacting the treatment chamber, enters the water storage tank and is discharged from the drain pipe. After the waste gas is treated by spraying, the attachments are reduced, and the activated carbon layer used for the second treatment is more durable.

[0011] (2) The utility model is provided with a lower pressure seat. When the device is installed, the first connecting pipe is installed on the exhaust pipe through a thread, and the activated carbon layer is placed in the placement ring above. The lower pressure seat is then installed above the second connecting pipe through a thread. The upper pressure ring on it presses on the activated carbon layer to limit it. The connector is installed on the water passage cavity through a closed thread, and the water passage pipe is connected to facilitate installation. Similarly, the entire device can be disassembled when not in use, and the lower pressure seat can be removed by rotating it to replace the activated carbon layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 It is an overall schematic diagram of the utility model;

[0014] Figure 2 It is a cross-sectional view of the utility model;

[0015] Figure 3 It is a cross-sectional view of the utility model at point B;

[0016] Figure 4 It is an enlarged view of point A in the utility model;

[0017] Markings in the figure are: 1. treatment chamber; 2. first connecting pipe; 3. second connecting pipe; 4. water chamber; 5. lower pressure seat; 6. activated carbon layer; 7. water pipe; 8. drain pipe; 9. exhaust pipe; 10. convergence port; 11. connector; 12. water storage tank; 13. upper pressure ring; 14. placement ring; 15. nozzle; 16. closed thread. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", "top / bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0020] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0021] The structural features of the utility model are now described in detail with reference to the accompanying drawings of the specification.

[0022] See also Figure 1-2A bell-shaped furnace exhaust gas treatment device includes a treatment chamber 1, a first connecting pipe 2 is fixedly provided below the treatment chamber 1, the first connecting pipe 2 is threadedly connected to the exhaust pipe 9 of the bell-shaped furnace below, a convergence port 10 located in the treatment chamber 1 is fixedly provided above the first connecting pipe 2, the exhaust gas enters the first connecting pipe 2 from the exhaust pipe 9, rises from the convergence port 10 and enters the treatment chamber 1, a water passage chamber 4 is fixedly provided above the convergence port 10 on the treatment chamber 1, and a plurality of nozzles 1 in an array are fixedly provided on one side of the water passage chamber 4 located in the treatment chamber 1 5. The waste gas is sprayed with water through the nozzle 15. A second connecting pipe 3 is fixedly provided on the upper end of the processing chamber 1. A placement ring 14 is fixedly provided on the inner wall of the second connecting pipe 3. An activated carbon layer 6 is placed in the placement ring 14. After the waste gas is sprayed, it is adsorbed and discharged through the activated carbon layer 6. A lower pressure seat 5 is connected to the upper end of the second connecting pipe 3 through a thread. An upper pressure ring 13 is fixedly provided on the inner wall of the lower pressure seat 5. The upper pressure ring 13 is pressed on the top of the activated carbon layer 6. The activated carbon layer 6 is pressed on the placement ring 14 through the upper pressure ring 13.

[0023] See also Figure 1 , 3 4. One side of the water passage chamber 4 is connected with a water passage pipe 7, and the water passage pipe 7 is fixed with a connector 11. The connector 11 is sealed and connected to the water passage chamber 4 through an outer sealing thread 16, so that the water passage pipe 7 can be removed from the water passage chamber 4. The treatment chamber 1 is a rectangular chamber. The nozzle 15 is connected to the water passage pipe 7. The nozzle 15 is arranged in two opposite rows. The nozzle of the nozzle 15 is located toward the middle of the two nozzles 15 in the other row. The water passage pipe 7 has water pressure when supplying water, and the pressure of the water pressure satisfies the nozzle. When 15 sprays a water column, the water column can be shot between the two nozzles 15 on the other side, so that the water sprayed by the nozzle 15 can form a water curtain, and the exhaust gas can better contact with the water when passing through. The outer wall of the convergence port 10 is an inclined wall, which together with the inner wall of the processing chamber 1 forms a water storage tank 12 with a narrow bottom and a wide opening, so that the sprayed water flow is not easy to splash into the convergence port 10. A drain pipe 8 is fixed at the bottom of the water storage tank 12, and the water flows into the water storage tank 12 from the inner wall of the processing chamber 1 and is discharged from the drain pipe 8.

[0024] The utility model relates to a bell-shaped furnace waste gas treatment device with a simple structure and is easy to disassemble. When treating the waste gas, the waste gas is treated by spraying, and the waste gas continues to rise and is filtered through the activated carbon layer, thereby reducing the pressure of the activated carbon layer by a secondary treatment method. The utility model has strong practicability and is suitable for promotion.

[0025] When using it specifically, refer to Figure 1-4When the device is installed, the first connecting pipe 2 is installed on the exhaust pipe 9 through a thread, and the activated carbon layer 6 is placed in the upper placement ring 14, and then the lower pressure seat 5 is installed on the upper part of the second connecting pipe 3 through a thread, and the upper pressure ring 13 thereon presses on the activated carbon layer 6 to limit it, and the connector 11 is installed on the water passage chamber 4 through the closed thread 16, and the water passage pipe 7 is connected. When the exhaust gas is treated, the water passage pipe 7 supplies water to the water passage chamber 4, and the water is sprayed from the nozzle 15 to the opposite side to form a horizontal water curtain. The exhaust gas passes through the water curtain, and most of the particles in the exhaust gas are carried away by the water flow. The exhaust gas treated by the spraying continues to rise, passes through the activated carbon layer 6 and is adsorbed again and discharged from the pipe of the lower pressure seat 5. The water sprayed to the opposite side slides on the impact treatment chamber 1, enters the water storage tank 12 and is discharged from the drain pipe 8. When the activated carbon layer 6 needs to be replaced, it can be removed by rotating the lower pressure seat 5 to replace the activated carbon layer 6.

[0026] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A bell furnace exhaust gas treatment device, comprising a treatment chamber (1), characterized in that: A first connecting pipe (2) is fixedly provided below the processing chamber (1), and the first connecting pipe (2) is connected to the exhaust pipe (9) of the bell-shaped furnace through a thread at the bottom. A constriction port (10) located in the processing chamber (1) is fixedly provided above the first connecting pipe (2). A water passage chamber (4) is fixedly provided above the constriction port (10) on the processing chamber (1), and a plurality of nozzles (15) in an array are fixedly provided on one side of the water passage chamber (4) located in the processing chamber (1). A second connecting pipe (3) is fixedly provided at the upper end of the processing chamber (1), and a placement ring (14) is fixedly provided on the inner wall of the second connecting pipe (3), and an activated carbon layer (6) is placed in the placement ring (14).

2. The bell furnace exhaust gas treatment device according to claim 1, characterized in that: One side of the water passage cavity (4) is connected to a water passage pipe (7), and the water passage pipe (7) is fixedly provided with a connector (11). The connector (11) is tightly connected to the water passage cavity (4) via an outer sealing thread (16). When the water passage pipe (7) supplies water, there is water pressure. When the water pressure satisfies the spray head (15) to spray a water column, the water column can be sprayed between the two spray heads (15) on the other side.

3. The bell furnace exhaust gas treatment device according to claim 1, characterized in that: The processing chamber (1) is a rectangular chamber, the nozzle (15) is connected to the water pipe (7), the nozzle (15) is arranged in two opposite rows, the nozzle (15) is located toward the middle of the two nozzles (15) in the other row, the outer wall of the convergence port (10) is an inclined wall, and it forms a water storage tank (12) with a narrow bottom and a wide opening together with the inner wall of the processing chamber (1), and a drainage pipe (8) is fixedly arranged at the bottom of the water storage tank (12).

4. The bell furnace exhaust gas treatment device according to claim 1, characterized in that: The upper end of the second connecting pipe (3) is connected to a lower pressing seat (5) via a thread, and an upper pressing ring (13) is fixedly provided on the inner wall of the lower pressing seat (5), and the upper pressing ring (13) is pressed on the upper part of the activated carbon layer (6).

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