Exhaust structure of roller kiln

Abstract

The utility model discloses an exhaust structure of a roller kiln, which comprises a mounting plate, a filter component is mounted at the top of the mounting plate, the filter component comprises two mounting boxes fixedly mounted at two ends of the outer wall of the top of the mounting plate, and an air inlet pipe is arranged on the outer wall of one side of each mounting box. The outer walls of the other sides of the two air inlet pipes are fixedly connected with a same second exhaust pipe in an inserted mode, the outer portions of two branch pipes of the second exhaust pipe and the outer portions of the two air inlet pipes are each fixedly provided with a butterfly valve, the interiors of the two mounting boxes are each slidably connected with a filter element in an inserted mode, and the filter elements and the mounting boxes are connected through bolts; according to the utility model, the filter assembly is arranged, so that the purpose of replacing the filter element without shutdown in the running process of the roller kiln can be realized, and therefore, the air flow can be always kept smooth, and the running of the device is always kept normal.

Description

Technical Field

[0001] The utility model relates to the technical field of roller kilns, in particular to an exhaust structure of a roller kiln. Background Art

[0002] The furnace of a roller kiln is generally divided into a temperature rising section, a constant temperature section and a temperature falling section. The temperature rising section is the section where the materials are heated and reacted. In this section, a large amount of high-temperature water vapor and strong alkaline volatiles and other wastes will be generated. An exhaust system needs to be set up to discharge the waste gas generated by the reaction in time.

[0003] After searching, the utility model with Chinese patent announcement number CN211291011U discloses a roller kiln exhaust duct and device. The device sets a lining ceramic on the inner side of the stainless steel pipe to prevent the stainless steel pipe from direct contact with alkaline gas and prevent it from being corroded. At the same time, the height of the bell mouth can be adjusted by loosening the clamp to ensure the best exhaust state.

[0004] The above device achieves the effect of intercepting gas impurities through the filter element. However, as the use time increases, the impurities increase and when the filter element is forgotten to be replaced, the gas flow efficiency will be greatly affected. At this time, the machine needs to be stopped for replacement, which affects production efficiency and there is room for improvement. Utility Model Content

[0005] The utility model aims to provide an exhaust structure for a roller kiln to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an exhaust structure of a roller kiln, comprising a mounting plate, characterized in that a filter assembly is installed on the top of the mounting plate, and the filter assembly comprises two mounting boxes fixedly installed at both ends of the outer wall of the top of the mounting plate, an air inlet pipe is arranged on the outer wall of one side of the two mounting boxes, and the same exhaust pipe 2 is fixedly plugged into the outer wall of the other side of the two air inlet pipes, a butterfly valve is fixedly installed on the outside of the two branches of the exhaust pipe 2 and the outside of the two air inlet pipes, a filter element is slidably plugged into the inside of the two mounting boxes, and the filter element and the mounting box are connected by bolts.

[0007] The purpose of replacing the filter element without stopping the operation of the roller kiln can be achieved, thereby ensuring that the gas flow can always remain unobstructed and the operation of the device can always remain normal. The gas generated by the operation of the roller kiln is introduced into the exhaust pipe one, and then the gas passes through two enclosing covers and enters one of the air inlet pipes, and then enters the installation box to be filtered by the filter element therein, and finally flows outward through the exhaust pipe two. When one of the filter elements accumulates too much impurities, you only need to close the two butterfly valves on one side and open the two butterfly valves on the other side, and the other filter element will then be put into use, ensuring that the exhaust structure can continue to be used, and the blocked filter element will be blocked, which is convenient enough to handle.

[0008] As a further preferred embodiment of the technical solution, the same connecting component is installed on the outside of the two intake pipes, and the connecting component includes two mounting brackets fixedly connected at both ends of the top outer wall of the mounting plate, and a bidirectional screw rod is rotatably connected between the two mounting brackets and the mounting plate, and the two bidirectional screw rods are threadedly connected to two connecting brackets, and the two connecting brackets are symmetrically arranged, and the top and bottom two connecting brackets are fixedly connected to an enclosing cover, and the two enclosing covers can cooperate with each other to form a whole.

[0009] As a further preferred embodiment of the technical solution, the top outer walls of the two mounting frames are rotatably connected to a pulley, the two pulley sleeves are provided with the same belt, a motor is fixedly mounted on the bottom outer wall of the mounting plate, the motor shaft is coaxially fixed to one end of one of the bidirectional screw rods, and the two pulleys are coaxially fixed to one end of the two bidirectional screw rods respectively.

[0010] By starting the motor to drive a bidirectional screw to rotate, the bidirectional screw will also drive a pulley on its top to rotate synchronously. The pulley can drive another bidirectional screw to rotate synchronously through the belt and another pulley. The two bidirectional screws can drive the two connecting frames away from each other, and then the two enclosing covers will also separate. At this time, the cleaning process of impurities on the inner wall is also more convenient, avoiding the accumulation of impurities that cause the internal space of the pipeline to become smaller and affect the gas flow.

[0011] As a further preferred embodiment of the technical solution, one end of the two enclosing covers is slidably connected with a same exhaust pipe.

[0012] As a further preferred embodiment of the present technical solution, both the circumferential inner wall and the bottom outer wall of the two enclosing covers are provided with sealing gaskets, and the sealing gaskets are made of high temperature resistant material.

[0013] As a further preferred embodiment of the technical solution, one end of the exhaust pipe 2 and the circumferential outer wall of the exhaust pipe 1 are fixedly sleeved with a support frame, and one end of the two support frames are fixedly mounted on the top outer wall of the mounting plate.

[0014] The utility model provides an exhaust structure of a roller kiln, which has the following beneficial effects:

[0015] (1) The utility model can achieve the purpose of replacing the filter element without stopping the roller kiln during operation by setting a filter assembly, thereby ensuring that the gas flow can always remain unobstructed and the operation of the device can always remain normal. The gas generated by the operation of the roller kiln is introduced into the exhaust pipe 1, and then the gas passes through two surrounding covers and enters one of the air inlet pipes, and then enters the installation box to be filtered by the filter element therein, and finally flows outward through the exhaust pipe 2. When one of the filter elements accumulates too much impurities, it only needs to close the two butterfly valves on one side and open the two butterfly valves on the other side, and the other filter element will then be put into use, ensuring that the exhaust structure can continue to be used. The blocked filter element will be blocked, which is convenient enough to handle.

[0016] (2) The utility model sets a connection component, and drives a bidirectional screw to rotate by starting the motor. The bidirectional screw will also drive a pulley on its top to rotate synchronously. The pulley can drive another bidirectional screw to rotate synchronously through the belt and another pulley. The two bidirectional screws can drive the two connecting frames to move away from each other, and then the two enclosing covers will also separate. At this time, the cleaning process of impurities on the inner wall is also more convenient, avoiding the accumulation of impurities that causes the internal space of the pipeline to become smaller and affects the gas flow. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall first-view structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall structure of the utility model from a second viewing angle;

[0019] Figure 3 It is a schematic diagram of the enlarged structure of the enclosing cover of the utility model;

[0020] Figure 4 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0021] In the figure: 1. mounting plate; 2. support frame; 3. exhaust pipe 1; 4. filter assembly; 5. connection assembly; 401. mounting box; 402. filter element; 403. exhaust pipe 2; 404. intake pipe; 405. butterfly valve; 501. mounting frame; 502. two-way screw rod; 503. connection frame; 504. enclosure; 505. pulley; 506. belt; 507. motor; 508. sealing gasket. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] The utility model provides a technical solution: Figure 1 and Figure 2 As shown, in this embodiment, an exhaust structure of a roller kiln includes a mounting plate 1, which is characterized in that: a filter assembly 4 is installed on the top of the mounting plate 1, and the filter assembly 4 includes two mounting boxes 401 fixedly installed at both ends of the outer wall of the top of the mounting plate 1, an air inlet pipe 404 is arranged on the outer wall on one side of the two mounting boxes 401, and the outer wall on the other side of the two air inlet pipes 404 is fixedly plugged with the same exhaust pipe 2 403, a butterfly valve 405 is fixedly installed on the outside of the two branches of the exhaust pipe 2 403 and the outside of the two air inlet pipes 404, a filter element 402 is slidably plugged into the inside of the two mounting boxes 401, and the filter element 402 and the mounting box 401 are connected by bolts.

[0024] The gas generated by the operation of the roller kiln is introduced into the exhaust pipe 3, and then the gas passes through two enclosing covers 504 into one of the air inlet pipes 404, and then enters the installation box 401 to be filtered by the filter element 402 therein, and finally flows outward through the exhaust pipe 2 403. When one of the filter elements 402 accumulates too much impurities, it is only necessary to close the two butterfly valves 405 on one side and open the two butterfly valves 405 on the other side, and the other filter element 402 will be put into use, ensuring that the exhaust structure can continue to be used, and the blocked filter element 402 will be blocked, which is convenient enough to handle.

[0025] like Figure 1 and Figure 4 As shown, the two air inlet pipes 404 are externally installed with the same connecting component 5, and the connecting component 5 includes two mounting frames 501 fixedly connected at both ends of the top outer wall of the mounting plate 1, and a bidirectional screw rod 502 is rotatably connected between the two mounting frames 501 and the mounting plate 1, and the two bidirectional screw rods 502 are threadedly connected to two connecting frames 503, and the two connecting frames 503 are symmetrically arranged, and the top and bottom two connecting frames 503 are fixedly connected with an enclosing cover 504, and the two enclosing covers 504 can cooperate with each other to form a whole.

[0026] The top outer wall of the two mounting frames 501 is rotatably connected to a pulley 505, and the two pulleys 505 are sleeved with the same belt 506. The bottom outer wall of the mounting plate 1 is fixedly installed with a motor 507, and the motor 507 shaft is coaxially fixed to one end of one of the two-way screw rods 502, and the two pulleys 505 are coaxially fixed to one end of the two two-way screw rods 502. The same exhaust pipe 3 is slidably inserted at one end of the two enclosing covers 504.

[0027] By starting the motor 507 to drive a bidirectional screw rod 502 to rotate, the bidirectional screw rod 502 will also drive a pulley 505 on its top to rotate synchronously. The pulley 505 can drive another bidirectional screw rod 502 to rotate synchronously through the belt 506 and another pulley 505. The two bidirectional screw rods 502 can drive the two connecting frames 503 to move away from each other, and then the two enclosing covers 504 will also separate. At this time, the cleaning process of impurities on the inner wall is also more convenient, avoiding the accumulation of impurities that causes the internal space of the pipeline to become smaller and affect the gas flow.

[0028] like Figure 3 As shown, the inner circumferential walls and the bottom outer walls of the two enclosures 504 are both provided with sealing gaskets 508, which are made of high temperature resistant material and can increase the sealing performance of the two enclosures 504 combined, thereby preventing gas from flowing into the external space through the gap.

[0029] like Figure 1 As shown in FIG2 , a support frame 2 is fixedly mounted on one end of the exhaust pipe 2 403 and the circumferential outer wall of the exhaust pipe 1 3 , and one end of the two support frames 2 is fixedly mounted on the top outer wall of the mounting plate 1 , which can increase the stability of the exhaust pipe 1 3 and the exhaust pipe 2 403 .

[0030] The utility model provides an exhaust structure for a roller kiln, and the specific working principle is as follows:

[0031] When the device is working, the gas generated by the operation of the roller kiln is introduced into the exhaust pipe 1 3, and then the gas passes through the two enclosing covers 504 and enters one of the intake pipes 404, and then enters the installation box 401 to be filtered by the filter element 402 therein, and finally flows outward through the exhaust pipe 2 403. When one of the filter elements 402 accumulates too much impurities, it is only necessary to close the two butterfly valves 405 on one side and open the two butterfly valves 405 on the other side, and the other filter element 402 will be put into use, ensuring that the exhaust structure can continue to be used, and the blocked filter element 402 will be blocked, which is convenient enough to handle. After the device has been running for a period of time, the external roller kiln is stopped and started, and then a bidirectional screw rod 502 is driven to rotate by starting motor 507. The bidirectional screw rod 502 will also drive a pulley 505 on its top to rotate synchronously. The pulley 505 can drive another bidirectional screw rod 502 to rotate synchronously through belt 506 and another pulley 505. The two bidirectional screw rods 502 can drive the two connecting frames 503 to move away from each other, and then the two enclosing covers 504 will also separate. At this time, the cleaning process of impurities on the inner wall is also more convenient, avoiding the accumulation of impurities that causes the internal space of the pipeline to become smaller and affect the gas flow.

[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. An exhaust structure for a roller kiln, comprising a mounting plate (1), characterized in that: A filter assembly (4) is installed on the top of the mounting plate (1), and the filter assembly (4) comprises two mounting boxes (401) fixedly mounted on both ends of the outer wall of the top of the mounting plate (1); an air intake pipe (404) is arranged on one side of the outer wall of the two mounting boxes (401); the same exhaust pipe 2 (403) is fixedly plugged into the outer wall of the other side of the two air intake pipes (404); a butterfly valve (405) is fixedly mounted on the outside of the two branch pipes of the exhaust pipe 2 (403) and the outside of the two air intake pipes (404); a filter element (402) is slidably plugged into the inside of the two mounting boxes (401), and the filter element (402) and the mounting box (401) are connected by bolts.

2. The exhaust structure of a roller kiln according to claim 1, characterized in that: The two air inlet pipes (404) are externally mounted with a same connection assembly (5), the connection assembly (5) comprising two mounting frames (501) fixedly connected to the two ends of the top outer wall of the mounting plate (1), a bidirectional screw rod (502) rotatably connected between the two mounting frames (501) and the mounting plate (1), the two bidirectional screw rods (502) being threadedly connected to two connection frames (503), and the two connection frames (503) being symmetrically arranged, the top and bottom two connection frames (503) being fixedly connected to an enclosure (504), and the two enclosures (504) being able to cooperate with each other to form a whole.

3. The exhaust structure of a roller kiln according to claim 2, characterized in that: The top outer walls of the two mounting frames (501) are both rotatably connected to a pulley (505), and the two pulleys (505) are sleeved with a same belt (506). A motor (507) is fixedly mounted on the bottom outer wall of the mounting plate (1), and the rotating shaft of the motor (507) is coaxially fixed to one end of one of the bidirectional screw rods (502), and the two pulleys (505) are coaxially fixed to one end of the two bidirectional screw rods (502), respectively.

4. The exhaust structure of a roller kiln according to claim 2, characterized in that: One end of the two enclosing covers (504) is slidably plugged with a same exhaust pipe 1 (3).

5. The exhaust structure of a roller kiln according to claim 3, characterized in that: The circumferential inner walls and bottom outer walls of the two enclosing covers (504) are both provided with sealing gaskets (508), and the sealing gaskets (508) are made of high temperature resistant material.

6. The exhaust structure of a roller kiln according to claim 1, characterized in that: A support frame (2) is fixedly mounted on one end of the second exhaust pipe (403) and the circumferential outer wall of the first exhaust pipe (3), and one end of the two support frames (2) is fixedly mounted on the top outer wall of the mounting plate (1).

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