Dry defluorination device for waste gas treatment

Abstract

The utility model discloses a waste gas treatment dry method defluorination device which comprises a defluorination box body, an adsorption box body is rotatably arranged in the middle of the upper portion of a lower support on one side of the defluorination box body through a rotating shaft, the outer portion of the adsorption box body is rotatably clamped in an opening, and two groups of grids and two groups of defluorination adsorbent layers are symmetrically arranged relative to the interior of the adsorption box body. An adsorption box body is rotationally arranged in the middle of one side of a defluorination box body through a lower support and the rotating shaft, defluorination adsorbent layers are arranged in an adsorption cavity in the adsorption box body through gratings, and the gratings and the defluorination adsorbent layers are symmetrically arranged in two groups relative to the interior of the adsorption box body; the adsorption box body is driven by the motor and the gear set to horizontally rotate and adjust, the working adsorption chamber can be moved out of the fluorine removal box body to be cleaned or replaced, meanwhile, the two adsorption chambers can be alternately switched for use, fluorine removal treatment can be conveniently carried out under the non-stop condition, and the waste gas fluorine removal efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment equipment, in particular to a waste gas treatment dry defluorination device. Background Art

[0002] Dry purification is a method of removing fluorine by passing fluorine-containing waste gas through an adsorption device filled with solid adsorbents to make hydrogen fluoride and silicon tetrafluoride react with the adsorbent. During the waste gas treatment process, the solid adsorbent reacts with the fluorine in the waste gas. When the reaction is saturated, the solid adsorbent needs to be replaced to prevent the defluorination quality of the device from being damaged. During the replacement of the solid adsorbent, the solid adsorbent needs to be manually detached from the fixed equipment of the device and then manually re-fixed with a new fixed adsorbent. Manual disassembly is cumbersome, time-consuming and labor-intensive.

[0003] A dry defluorination device for waste gas treatment with application number 202321921692.4 in the prior art includes a device main body, a pre-filter box is symmetrically installed in the device main body, a treatment chamber is formed between the two ends of the pre-filter box and the device main body, an inner slave gear is meshed with a gear ring, a movable threaded rod is fixedly installed on the upper surface of the inner slave gear, a filter element is threadedly connected to the movable threaded rod, an inner main gear is rotatably installed on the movable plate, the inner main gear is meshed with the gear ring, and a fixed adsorbent can be automatically disassembled and replaced, thereby improving the removal efficiency of the solid adsorbent and avoiding gaps left after removal that affect the filtration quality of the device. However, defluorination treatment needs to be carried out under the shutdown condition, which affects the efficiency of waste gas defluorination. Utility Model Content

[0004] The utility model aims to provide a dry defluorination device for waste gas treatment, so as to solve the problem in the prior art that the defluorination treatment needs to be carried out under the condition of shutdown, thereby affecting the efficiency of waste gas defluorination.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dry defluorination device for waste gas treatment, comprising a defluorination box, one side of the defluorination box is provided with an opening, one side of the defluorination box is installed with a lower bracket, and an adsorption box is provided in the middle of the upper side of the lower bracket through a rotating shaft, the outside of the adsorption box is rotatably clamped in the opening, a defluorination adsorbent layer is provided in the adsorption chamber inside the adsorption box through a grille, and the grille and the defluorination adsorbent layer are symmetrically provided with two groups about the inside of the adsorption box, and the lower end of the rotating shaft is connected to a motor through a gear set.

[0006] Furthermore, an air inlet and an air outlet are provided on both sides of the defluorination box, and the defluorination box is a rectangular box.

[0007] Furthermore, a limiting groove is provided on the inner wall of one end of the defluorination box body, and one end of the adsorption box body is rotatably locked with the limiting groove.

[0008] Furthermore, the limiting groove and the opening are both arc-shaped grooves, and the inner walls of the limiting groove and the opening are both provided with sealing gaskets.

[0009] Furthermore, the adsorption box body is a circular box body, and both ends of the adsorption chamber of the adsorption box body are provided with air inlet and outlet.

[0010] Furthermore, the gear set includes a driven gear arranged at the lower end of the rotating shaft, and one end of the motor is provided with a driving gear meshingly connected with the driven gear.

[0011] Furthermore, an inspection port is provided on the upper side of the adsorption box body, and a sealing cover is provided on the upper side of the inspection port.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. An adsorption box body is provided in the middle of one side of the defluorination box body of the utility model through a lower bracket and a rotating shaft for rotation. A defluorination adsorbent layer is provided in the adsorption chamber inside the adsorption box body through a grille, and two groups of the grille and the defluorination adsorbent layer are symmetrically provided with respect to the inside of the adsorption box body, so that the adsorption box body can be driven by a motor and a gear set to rotate horizontally, so that the working adsorption chamber can be moved out of the defluorination box body for cleaning or replacement, and at the same time, the two adsorption chambers can be switched for use alternately, so that defluorination treatment can be carried out without stopping the machine, which is beneficial to improving the efficiency of defluorination of exhaust gas.

[0014] 2. The utility model provides a limit groove on the inner wall at one end of the defluorination box body, and one end of the adsorption box body is rotatably clamped with the limit groove. The limit groove and the opening are both arc-shaped grooves, so that sliding guiding processing can be performed when the adsorption box body rotates horizontally, which is beneficial to improving the stability of the rotation adjustment of the adsorption box body. In addition, the limit groove and the inner wall of the opening are provided with sealing gaskets, which makes it easy to improve the sealing of the rotation connection between the adsorption box body and the defluorination box body.

[0015] 3. The utility model provides an inspection port on the upper side of the adsorption box body, and a sealing cover is provided on the upper side of the inspection port, so that the upper part of the adsorption box body can be easily cleaned or inspected. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] 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:

[0017] Figure 1 It is a top view of the overall structure of the utility model;

[0018] Figure 2 It is a left view of the overall structure of the utility model;

[0019] Figure 3This is a schematic diagram of the adsorption box structure of the utility model.

[0020] In the figure: 1. defluorination box; 2. adsorption box; 3. air inlet; 4. air outlet; 5. driving gear; 6. adsorption chamber; 7. defluorination adsorbent layer; 8. grille; 9. air inlet and outlet; 10. limit groove; 11. opening; 12. sealing gasket; 13. inspection port; 14. sealing cover; 15. lower bracket; 16. rotating shaft; 17. motor; 18. driven gear. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1 , Figure 2 , Figure 3 In the embodiment of the utility model, a dry defluorination device for treating waste gas comprises a defluorination box 1, an opening 11 is provided on one side of the defluorination box 1, an air inlet 3 and an air outlet 4 are provided on both sides of the defluorination box 1, the defluorination box 1 is a rectangular box, a lower bracket 15 is installed on one side of the defluorination box 1, the waste gas enters the defluorination box 1 through the air inlet 3, the waste gas is adsorbed and treated by the defluorination adsorbent layer 7, and an adsorption box 2 is rotatably provided in the middle part of the upper side of the lower bracket 15 through a rotating shaft 16, the adsorption box 2 is a circular box, and both ends of the adsorption chamber 6 of the adsorption box 2 are provided with air inlet and outlet 9, the outer part of the adsorption box 2 is rotatably fixed in the opening 11, and the adsorption chamber 6 inside the adsorption box 2 is A defluorination adsorbent layer 7 is provided through the grille 8, and the grille 8 and the defluorination adsorbent layer 7 are symmetrically provided in two groups about the inside of the adsorption box body 2. The lower end of the rotating shaft 16 is connected to the motor 17 through a gear set. The gear set includes a driven gear 18 arranged at the lower end of the rotating shaft 16. One end of the motor 17 is provided with a driving gear 5 meshing with the driven gear 18, so that the adsorption box body 2 is driven by the motor 17 and the gear set to rotate horizontally, so that the working adsorption chamber 6 can be moved out of the defluorination box body 1 for cleaning or replacement. At the same time, the two adsorption chambers 6 can be switched for use alternately, which is convenient for defluorination treatment without stopping the machine, which is beneficial to improving the efficiency of defluorination of exhaust gas.

[0023] like Figure 1 and Figure 2As shown, in order to improve the stability of the rotation adjustment of the adsorption box body 2, a limit groove 10 is also provided on the inner wall of one end of the defluorination box body 1, and one end of the adsorption box body 2 is rotationally clamped with the limit groove 10, and the limit groove 10 and the opening 11 are both arc-shaped grooves, so that sliding guiding processing can be performed when the adsorption box body 2 rotates horizontally, which is beneficial to improving the stability of the rotation adjustment of the adsorption box body 2, and the limit groove 10 and the inner wall of the opening 11 are provided with a sealing gasket 12, which makes it easy to improve the sealing of the rotation connection between the adsorption box body 2 and the defluorination box body 1.

[0024] like Figure 1 and Figure 3 As shown, in order to be able to inspect and repair the adsorption box body 2 removed from the defluorination box body 1, an inspection port 13 is opened on the upper side of the adsorption box body 2, and a sealing cover 14 is clamped on the upper side of the inspection port 13, so that the upper part of the adsorption box body 2 can be easily cleaned or inspected.

[0025] The working principle and use process of the utility model are as follows: when in use, the exhaust gas enters the defluorination box body 1 through the air inlet 3, and the exhaust gas is adsorbed and treated by the defluorination adsorbent layer 7, and the grille 8 and the defluorination adsorbent layer 7 are symmetrically arranged in two groups about the inside of the adsorption box body 2, so that the adsorption box body 2 is driven by the motor 17 and the gear set to rotate horizontally, so that the working adsorption chamber 6 can be moved out of the defluorination box body 1 for cleaning or replacement, and at the same time, the two adsorption chambers 6 can be switched for use alternately, which is convenient for defluorination treatment without stopping the machine, which is beneficial to improving the efficiency of exhaust gas defluorination.

[0026] Finally, it should be noted that 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 dry defluorination device for waste gas treatment, comprising a defluorination box (1), characterized in that: An opening (11) is provided on one side of the defluorination box body (1), a lower bracket (15) is installed on one side of the defluorination box body (1), and an adsorption box body (2) is rotatably provided on the middle part of the upper side of the lower bracket (15) via a rotating shaft (16), the outer part of the adsorption box body (2) is rotatably clamped in the opening (11), a defluorination adsorbent layer (7) is provided in the adsorption chamber (6) inside the adsorption box body (2) via a grille (8), and the grille (8) and the defluorination adsorbent layer (7) are symmetrically provided in two groups with respect to the inside of the adsorption box body (2), and the lower end of the rotating shaft (16) is connected to a motor (17) via a gear group.

2. The dry defluorination device for waste gas treatment according to claim 1, characterized in that: An air inlet (3) and an air outlet (4) are provided on both sides of the defluorination box (1); the defluorination box (1) is a rectangular box.

3. The dry defluorination device for waste gas treatment according to claim 1, characterized in that: A limiting groove (10) is provided on the inner wall of one end of the defluorination box body (1), and one end of the adsorption box body (2) is rotatably engaged with the limiting groove (10).

4. The dry defluorination device for waste gas treatment according to claim 3 is characterized in that: The limiting groove (10) and the opening (11) are both arc-shaped grooves, and the inner walls of the limiting groove (10) and the opening (11) are both provided with sealing pads (12).

5. The dry defluorination device for waste gas treatment according to claim 1, characterized in that: The adsorption box body (2) is a circular box body, and both ends of the adsorption chamber (6) of the adsorption box body (2) are provided with air inlet and outlet ports (9).

6. The dry defluorination device for waste gas treatment according to claim 1, characterized in that: The gear set comprises a driven gear (18) arranged at the lower end of the rotating shaft (16), and one end of the motor (17) is provided with a driving gear (5) meshingly connected with the driven gear (18).

7. The dry defluorination device for waste gas treatment according to claim 1, characterized in that: An inspection opening (13) is provided on the upper side of the adsorption box body (2), and a sealing cover (14) is clamped on the upper side of the inspection opening (13).

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