Waste gas treatment device for cobalt salt production

Abstract

The utility model belongs to the technical field of waste gas treatment, and particularly relates to a waste gas treatment device for cobalt salt production, which comprises low-temperature plasma waste gas purification equipment, two symmetrically distributed gas inlet pipes are arranged at the right end of the low-temperature plasma waste gas purification equipment, and valves are arranged on the surfaces of the gas inlet pipes. A first activated carbon environment-friendly treatment box is arranged at the left end of the low-temperature plasma waste gas purification equipment through a first connecting pipe, and a second activated carbon environment-friendly treatment box is arranged at the left end of the first activated carbon environment-friendly treatment box through a second connecting pipe. Through the arrangement of the filter screen, waste gas can be filtered in advance so as to remove large-particle impurities, the problem that the filtering effect is poor due to follow-up activated carbon gap blockage is avoided, under the structures of the micro motor, the connecting frame, the elastic piece and the like, the filter screen can always move along the surfaces of the bristles, cleaning operation is conducted on the filter screen, and the working efficiency is improved. And the circulation effect of the filter screen is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to a waste gas treatment device for cobalt salt production. Background Art

[0002] The waste gas generated in the production process of cobalt salts mainly includes volatile organic compounds, nitrogen oxides, sulfur dioxide, etc. in the production process of cobalt oxide. In order to reduce the impact of waste gas on the environment, effective waste gas treatment is required. Waste gas treatment equipment usually includes incinerators, adsorption towers, desorption towers, etc. Incinerators can burn organic matter into harmless substances; adsorption towers and desorption towers are used to adsorb and remove harmful substances in waste gas.

[0003] The utility model patent with announcement number CN216537679U discloses a waste gas treatment system for cobalt salt production, including low-temperature plasma waste gas purification equipment, activated carbon environmental protection treatment box A, activated carbon environmental protection treatment box B, a fan and a chimney. The air inlet of the low-temperature plasma waste gas purification equipment is connected to the air inlet pipeline, the air outlet of the low-temperature plasma waste gas purification equipment is connected to the air inlet of the activated carbon environmental protection treatment box A through a connecting pipeline I, the air outlet of the activated carbon environmental protection treatment box A is connected to the air inlet of the activated carbon environmental protection treatment box B through a connecting pipeline II, the air outlet of the activated carbon environmental protection treatment box B is connected to one end of the exhaust pipeline, and the other end of the exhaust pipeline is connected to the chimney, and the fan is arranged on the exhaust pipeline; the patent has a reasonable structural design, and the waste gas is efficiently purified by the low-temperature plasma waste gas purification equipment, the activated carbon environmental protection treatment box A and the activated carbon environmental protection treatment box B, which can not only avoid the waste gas from affecting the health of the staff, but also avoid the waste gas emission and polluting the environment.

[0004] However, the existing waste gas treatment device for cobalt salt production still has certain shortcomings: first, the existing waste gas treatment device for cobalt salt production uses a large number of pipeline structures to connect the waste gas treatment structural parts, which is easy to cause damage to the pipeline due to the impact of fluid stress;

[0005] Secondly, although the existing waste gas treatment device for cobalt salt production uses an activated carbon environmental protection treatment box to adsorb the waste gas, due to the influence of large particle impurities in the waste gas, long-term use can easily cause blockage of the gaps between the activated carbon particles, resulting in poor waste gas treatment effect. Utility Model Content

[0006] The utility model aims to provide a waste gas treatment device for cobalt salt production, which solves the problem that the existing waste gas treatment devices for cobalt salt production use numerous pipeline structures to connect waste gas treatment structural parts, which is easy to cause damage to the pipelines due to the impact of fluid stress; and solves the problem that although the existing waste gas treatment devices for cobalt salt production use activated carbon environmental protection treatment boxes to adsorb waste gas, due to the influence of large particles of impurities in the waste gas, long-term use is easy to cause blockage of the gaps between activated carbon particles, thereby causing poor waste gas treatment effect.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waste gas treatment device for cobalt salt production, comprising a low-temperature plasma waste gas purification device, wherein the right end of the low-temperature plasma waste gas purification device is provided with two symmetrically distributed air intake pipes, and the surface of the air intake pipes is provided with valves, and the left end of the low-temperature plasma waste gas purification device is provided with an activated carbon environmental protection treatment box 1 through a connecting pipe 1, and the left end of the activated carbon environmental protection treatment box 1 is provided with an activated carbon environmental protection treatment box 2 through a connecting pipe 2, and the right end of the activated carbon environmental protection treatment box 2 is provided with a fan through a connecting pipe 3, and the right end of the fan is provided with a chimney through a connecting pipe 4, and a release mechanism is provided on the right side of the vertical part of the connecting pipe 2, and a pre-filtering mechanism is provided inside the activated carbon environmental protection treatment box 1.

[0008] Preferably, the release mechanism includes a release tube, the right side of the connecting tube 2 is fixedly connected to the release tube, the right end of the release tube is fixedly connected to a fixed plate, the interior of the fixed plate is slidably connected to a telescopic plate, the left end of the telescopic plate is fixedly connected to an elastic head, the elastic head is slidably connected to the release tube, and a spring is provided on the outside of the telescopic plate. Through the setting of the elastic head, the airflow impact generated by the exhaust gas can be released, and the deformation effect of the spring can be used to assist in the release of the impact force.

[0009] Preferably, one end of the spring is fixedly connected to the elastic head, and the other end of the spring is welded to the fixing plate. Through the setting of the spring, the elastic head can be connected for use.

[0010] Preferably, a plurality of evenly distributed friction plates are fixedly connected to the inner side wall of the elastic head, and each of the friction plates is slidably connected to the release tube. Through the arrangement of the friction plates, the impact force can be used to assist in the wear.

[0011] Preferably, the pre-filtering mechanism comprises a mounting plate, the inner wall of the activated carbon environmental protection treatment box 1 is fixedly connected with the mounting plate, the mounting plate contacts the activated carbon inside the activated carbon environmental protection treatment box 1, a plurality of flow holes arranged in a circular array are opened on the surface of the mounting plate, a micro motor is fixedly mounted on the right end of the mounting plate, the output shaft of the micro motor contacts a filter, the filter is rotatably connected to the activated carbon environmental protection treatment box 1, a connecting frame is fixedly connected to the left end of the filter, the connecting frame is slidably connected to the output shaft of the micro motor, an elastic sheet is welded to the output shaft of the micro motor, the other end of the elastic sheet is welded to the filter, a fixing rod is fixedly connected to the inner wall of the activated carbon environmental protection treatment box 1 and located on the right side of the filter, a brush is fixedly connected to the left side of the fixing rod, the brush contacts the filter, and through the setting of the filter, large particles of impurities in the exhaust gas can be filtered out, and under the structure of the micro motor, the filter can always be in contact with the brush to complete the cleaning of the filter, so that the filter is in a good circulation state.

[0012] Preferably, a plurality of the bristles are provided, and the plurality of the bristles are evenly distributed on the fixing rod. Through the provision of the bristles, large particles of impurities on the filter screen can be cleaned.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model can pre-filter the exhaust gas through the setting of the filter to remove large particles of impurities and avoid the problem of poor filtering effect caused by subsequent clogging of the activated carbon gap. Under the structure of the micro motor, the connecting frame, the elastic sheet, etc., the filter can always move along the surface of the brush to clean the filter to ensure the circulation effect of the filter.

[0015] 2. The utility model can guide the gas that flows instantly by setting the release pipe. Under the structure of elastic head, friction plate, spring and other structures, the impact force generated instantly by the fluid can be released to avoid the impact damage of the pipeline structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0017] Figure 2 For the utility model Figure 1 A cutaway perspective view of

[0018] Figure 3 For the utility model Figure 1 A front cross-sectional view of

[0019] Figure 4 For the utility model Figure 2 A magnified view of the release mechanism;

[0020] Figure 5 For the utility model Figure 3 Enlarged view of the pre-filtration mechanism.

[0021] In the figure: 1. low-temperature plasma waste gas purification equipment; 2. activated carbon environmental protection treatment box 1; 3. activated carbon environmental protection treatment box 2; 4. fan; 5. chimney; 6. release mechanism; 7. pre-filter mechanism; 61. release tube; 62. fixed plate; 63. telescopic plate; 64. elastic head; 65. spring; 66. friction plate; 71. mounting plate; 72. flow hole; 73. micro motor; 74. filter screen; 75. connecting frame; 76. elastic sheet; 77. fixing rod; 78. brush. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 A waste gas treatment device for cobalt salt production includes a low-temperature plasma waste gas purification device 1. Two symmetrically distributed air inlet pipes are arranged at the right end of the low-temperature plasma waste gas purification device 1. Valves are arranged on the surfaces of the air inlet pipes. An activated carbon environmental protection treatment box 1 2 is arranged at the left end of the low-temperature plasma waste gas purification device 1 through a connecting pipe 1. An activated carbon environmental protection treatment box 2 3 is arranged at the left end of the activated carbon environmental protection treatment box 1 2 through a connecting pipe 2. A fan 4 is arranged at the right end of the activated carbon environmental protection treatment box 2 3 through a connecting pipe 3. A chimney 5 is arranged at the right end of the fan 4 through a connecting pipe 4.

[0024] See also Figure 1 , Figure 2 , Figure 3 , Figure 4A release mechanism 6 is provided on the right side of the vertical portion of the connecting pipe 2, and the release mechanism 6 includes a release pipe 61. The right side of the connecting pipe 2 is fixedly connected with the release pipe 61, and the right end of the release pipe 61 is fixedly connected with a fixed plate 62. The inside of the fixed plate 62 is slidably connected with a telescopic plate 63, and the left end of the telescopic plate 63 is fixedly connected with an elastic head 64. The elastic head 64 is slidably connected to the release pipe 61, and a spring 65 is provided on the outside of the telescopic plate 63. One end of the spring 65 is fixedly connected to the elastic head 64, and the other end of the spring 65 is welded to the fixed plate 62. Through the setting of the spring 65, the elastic head 64 can be connected and used. A plurality of uniformly distributed friction plates 66 are fixedly connected to the inner side wall of the elastic head 64, and each friction plate 66 is slidably connected to the release pipe 61. Through the setting of the friction plate 66, the impact force can be used for auxiliary wear. Through the setting of the elastic head 64, the airflow impact generated by the exhaust gas can be released, and the impact force can be assisted in release in combination with the deformation effect of the spring 65.

[0025] See also Figure 1 , Figure 2 , Figure 3 , Figure 5 The activated carbon environmental protection treatment box 2 is provided with a pre-filtering mechanism 7, which includes a mounting plate 71. The inner wall of the activated carbon environmental protection treatment box 2 is fixedly connected with the mounting plate 71. The mounting plate 71 contacts the activated carbon inside the activated carbon environmental protection treatment box 2. The surface of the mounting plate 71 is provided with a plurality of flow holes 72 arranged in a circular array. A micro motor 73 is fixedly installed on the right end of the mounting plate 71. The output shaft of the micro motor 73 contacts a filter screen 74. The filter screen 74 is rotatably connected to the activated carbon environmental protection treatment box 2. The left end of the filter screen 74 is fixedly connected with a connecting frame 75. The connecting frame 75 is slidably connected to the output shaft of the micro motor 73. The output shaft of the micro motor 73 is welded with an elastic sheet 76. The other end of the sheet 76 is welded to the filter 74, and a fixing rod 77 is fixedly connected to the inner wall of the activated carbon environmental protection treatment box 2 and located on the right side of the filter 74. A brush 78 is fixedly connected to the left side of the fixing rod 77. The bristles 78 are in contact with the filter 74. A plurality of bristles 78 are provided, and the plurality of bristles 78 are evenly distributed on the fixing rod 77. Through the provision of the bristles 78, large particles of impurities on the filter 74 can be cleaned. Through the provision of the filter 74, large particles of impurities in the exhaust gas can be filtered out. Under the structure of the micro motor 73, the elastic sheet 76, the connecting frame 75 and the like, the filter 74 can always be in contact with the brush 78 to complete the cleaning of the filter 74, so that the filter 74 is in a good circulation state.

[0026] The specific implementation process of the utility model is as follows: When in use, for the specific treatment process of the exhaust gas, please refer to the contents disclosed in the utility model patent with announcement number CN216537679U for details, which will not be described in detail here;

[0027] When the exhaust gas is in a transient flow state, the exhaust gas can be guided and processed under the action of the release pipe 61. Under the transient impact of the exhaust gas, the elastic head 64 moves and drives the friction plate 66 to slide along the inner wall of the release pipe 61. Under the action of the fixed plate 62, the elastic head 64 pushes the telescopic plate 63 to move, and the spring 65 is deformed to assist in releasing the fluid stress, thereby avoiding the problem of impact damage to the pipeline structure caused by the fluid stress generated by the transient flow of gas.

[0028] By setting the filter 74, large particles of impurities in the exhaust gas can be pre-filtered. Under the action of the micro motor 73, the output shaft can be driven to rotate, so as to drive the connecting frame 75 to rotate, and then drive the filter 74 to rotate, so that the bristles 78 move along the surface of the filter 74 to clean the large particles of impurities attached to the filter 74. Under the deformation action of the elastic sheet 76, the filter 74 can be pushed to always contact the bristles 78 to ensure the cleaning effect of the bristles 78.

[0029] 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 waste gas treatment device for cobalt salt production, comprising a low-temperature plasma waste gas purification device (1), characterized in that: The right end of the low-temperature plasma waste gas purification device (1) is provided with two symmetrically distributed air inlet pipes, the surfaces of the air inlet pipes are provided with valves, the left end of the low-temperature plasma waste gas purification device (1) is provided with an activated carbon environmental protection treatment box (1) (2) through a connecting pipe (1), the left end of the activated carbon environmental protection treatment box (1) is provided with an activated carbon environmental protection treatment box (2) (3) through a connecting pipe (2), the right end of the activated carbon environmental protection treatment box (2) is provided with a fan (4) through a connecting pipe (3), the right end of the activated carbon environmental protection treatment box (4) is provided with a chimney (5) through a connecting pipe (4), a release mechanism (6) is provided on the right side of the vertical portion of the connecting pipe (2), and a pre-filter mechanism (7) is provided inside the activated carbon environmental protection treatment box (2).

2. The waste gas treatment device for cobalt salt production according to claim 1, characterized in that: The release mechanism (6) comprises a release tube (61), the right side of the connecting tube 2 being fixedly connected to the release tube (61), the right end of the release tube (61) being fixedly connected to a fixing plate (62), the interior of the fixing plate (62) being slidably connected to a telescopic plate (63), the left end of the telescopic plate (63) being fixedly connected to an elastic head (64), the elastic head (64) being slidably connected to the release tube (61), and a spring (65) being arranged on the outside of the telescopic plate (63).

3. The waste gas treatment device for cobalt salt production according to claim 2, characterized in that: One end of the spring (65) is fixedly connected to the elastic head (64), and the other end of the spring (65) is welded to the fixing plate (62).

4. The waste gas treatment device for cobalt salt production according to claim 2, characterized in that: A plurality of evenly distributed friction plates (66) are fixedly connected to the inner side wall of the elastic head (64), and each of the friction plates (66) is slidably connected to the release tube (61).

5. The waste gas treatment device for cobalt salt production according to claim 1, characterized in that: The pre-filtering mechanism (7) comprises a mounting plate (71), the inner wall of the activated carbon environmental protection treatment box (2) being fixedly connected with the mounting plate (71), the mounting plate (71) being in contact with the activated carbon inside the activated carbon environmental protection treatment box (2), a surface of the mounting plate (71) being provided with a plurality of flow holes (72) arranged in a circular array, a micro motor (73) being fixedly mounted on the right end of the mounting plate (71), the output shaft of the micro motor (73) being in contact with a filter screen (74), the filter screen (74) being in contact with the rotating shaft of the activated carbon environmental protection treatment box (2) The filter (74) is movably connected, the left end of the filter screen (74) is fixedly connected to a connecting frame (75), the connecting frame (75) is slidably connected to the output shaft of the micro motor (73), the output shaft of the micro motor (73) is welded with an elastic sheet (76), the other end of the elastic sheet (76) is welded to the filter screen (74), the inner wall of the activated carbon environmental protection treatment box (2) is fixedly connected to the right side of the filter screen (74), and the left side of the fixed rod (77) is fixedly connected to bristles (78), and the bristles (78) are in contact with the filter screen (74).

6. The waste gas treatment device for cobalt salt production according to claim 5, characterized in that: A plurality of the bristles (78) are provided, and the plurality of the bristles (78) are evenly distributed on the fixing rod (77).

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