Medium activated carbon supplementing device for flue gas purifier

Abstract

The invention relates to the technical field of sintering flue gas purification, and discloses an activated carbon supplementing device for a flue gas purifier, the activated carbon supplementing device comprises a supporting mechanism, the supporting mechanism comprises a supporting frame, the outer surface of the supporting frame is rotatably connected with a bin door through a hinge, and the outer wall of the side, away from the bin door, of the supporting frame is fixedly connected with a fixing frame; supporting legs are fixedly connected to the outer wall of the side, close to the bin door, of the supporting frame, a gas inlet pipe is fixedly connected to the outer wall of the bottom of the supporting frame, and an exhaust pipe is fixedly connected to the end, away from the gas inlet pipe, of the supporting frame. The activated carbon purification plate losing the purification capacity at the bottom of the supporting frame is replaced through the adjusting mechanism and the second push plate, and meanwhile, a new activated carbon purification plate is supplemented in place through the conveying belt and the first push plate, so that the utilization rate of activated carbon still having the purification capacity is effectively increased, waste of consumables is reduced, and the operation cost is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of sintering flue gas purification, in particular to a medium activated carbon supplementing device for a flue gas purifier. Background Art

[0002] With the acceleration of the industrialization process, a large amount of industrial waste gas is discharged into the atmosphere. In order to improve air quality and ensure ecological balance, flue gas purifiers came into being and became key equipment for controlling air pollution and purifying industrial waste gas.

[0003] The patent application with application number CN201711182962.3 discloses a method and device for replenishing activated carbon in a flue gas purification device. The replenishment method includes: obtaining the first operating frequency of the roller feeder of the adsorption tower and the second operating frequency of the conveyor; retrieving the stored discharge efficiency of the roller feeder of the adsorption tower and the maximum filling rate of the conveyor chain bucket; generating the total discharge flow of the adsorption tower according to the first operating frequency and the discharge efficiency; generating the target conveying flow of the conveyor according to the second operating frequency and the maximum filling rate; generating the maximum discharge flow of the belt scale according to the total discharge flow and the target conveying flow; and controlling the belt scale to replenish the activated carbon into the conveyor at the maximum discharge flow.

[0004] To sum up, during the operation of the flue gas purification device, the activated carbon will not disappear due to use, but will lose its purification ability after use. The activated carbon close to the air inlet end will quickly reach the adsorption saturation state due to its preferential contact with high-concentration pollutants, and the activated carbon far away from the air inlet can still maintain effective adsorption capacity due to the decreasing gradient of pollutant concentration. Therefore, when the activated carbon purification plate is replenished and replaced, the activated carbon that still has purification ability is easily discarded, which directly increases the cost of consumables.

[0005] To this end, we proposed a medium activated carbon replenishing device for flue gas purifiers. Summary of the Invention

[0006] In view of the deficiencies in the prior art, the present invention provides an activated carbon replenishing device for a flue gas purifier to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solutions: an activated carbon replenishing device for a flue gas purifier, comprising a supporting mechanism, the supporting mechanism comprising a supporting frame, the outer surface of the supporting frame being rotatably connected to a warehouse door via a hinge, the outer wall of the supporting frame on a side away from the warehouse door being fixedly connected to a fixing frame, the outer wall of the supporting frame on a side close to the warehouse door being fixedly connected to a supporting foot, the bottom outer wall of the supporting frame being fixedly connected to an air intake pipe, the end of the supporting frame away from the air intake pipe being fixedly connected to an exhaust pipe, the inner wall of the supporting frame being fixedly connected to a partition, the inner wall of the partition being fixedly connected to a first fixed shaft, the inner wall of the partition being provided with a sliding groove, the interior of the partition being provided with an auxiliary mechanism, and further comprising:

[0008] The adjusting mechanism includes a second hydraulic rod fixedly connected to the fixed frame, the output end of the second hydraulic rod is fixedly connected to the sliding frame, the outer wall of the sliding frame close to the support frame is fixedly connected to the second fixed shaft, the end of the second fixed shaft away from the sliding frame passes through the support frame and is rotatably connected to the connecting rod through the rotating shaft, and the second hydraulic rod is used to control the inclination angle of the connecting rod through the sliding frame.

[0009] According to the above technical solution, the inner wall of the support frame is rotatably connected to the rotating frame via a rotating shaft, the inner wall of the rotating frame is rotatably connected to the connecting rod via a rotating shaft, and the outer surface of the rotating frame on the side away from the connecting rod is fixedly connected to a convex column, which is used to guide the activated carbon purification plate to position and slide.

[0010] According to the above technical solution, the auxiliary mechanism includes a first hydraulic rod fixedly connected to the inner wall of the partition, the output end of the first hydraulic rod is fixedly connected to a sliding block, the inner wall of the sliding block is rotatably connected to the first rotating rod through a rotating shaft, and the inner wall of the end of the first rotating rod away from the sliding block is rotatably connected to a sliding plate through a rotating shaft, and the sliding plate is used to seal the opening of the partition through a sliding groove.

[0011] According to the above technical solution, the outer surface of the sliding plate is slidably connected to the inner wall of the sliding groove, the end of the first rotating rod close to the sliding plate is rotatably connected to the second rotating rod through a rotating shaft, and the inner wall of the end of the second rotating rod away from the first rotating rod is rotatably connected to the adjustment plate through a rotating shaft, and the adjustment plate keeps the sliding distance of the sliding plate the same.

[0012] According to the above technical solution, a spring is fixedly connected to the outer wall of the adjustment plate close to the sliding plate, the end of the spring away from the adjustment plate is fixedly connected to the partition, the inner wall of the adjustment plate is slidably connected to the first fixed shaft, the spring is used to assist the adjustment plate in resetting, and the first fixed shaft is used to limit the sliding distance of the adjustment plate.

[0013] According to the above technical solution, a first push rod is fixedly connected to the outer wall of the support frame close to the warehouse door, and a first push plate is fixedly connected to the output end of the first push rod. The first push plate is used to push the new activated carbon purification plate to the side of the exhaust pipe.

[0014] According to the above technical solution, a second push rod is fixedly connected to the outer wall of the support frame on the side close to the air intake pipe, and a second push plate is fixedly connected to the output end of the second push rod. A detection probe is fixedly connected to the inner wall of the support frame on the side close to the second push plate. The second push plate is used to push the deactivated activated carbon purification plate to the side of the warehouse door. The detection probe is located above the bottom activated carbon purification plate and is used to determine the attenuation state of the purification force of the bottom activated carbon purification plate.

[0015] According to the above technical solution, the outer wall of the support frame is fixedly connected to a motor, the output end of the motor passes through the support frame and is fixedly connected to a gear, the outer wall of the gear is movably sleeved with a conveyor belt, the outer surface of the conveyor belt is fixedly connected to a support plate, and the motor uses the gear to enable the conveyor belt to transport the activated carbon purification plate.

[0016] Compared with the prior art, the present invention provides a medium activated carbon replenishing device for a flue gas purifier, which has the following beneficial effects:

[0017] 1. The present invention provides an activated carbon replenishing device for a flue gas purifier. During the operation of the flue gas purification device, the activated carbon purification plate at the bottom of the support frame that has lost its purification capacity is replaced through the adjustment mechanism and the second push plate. At the same time, the conveyor belt and the first push plate are used to replenish the new activated carbon purification plate, thereby effectively improving the utilization rate of the activated carbon that still has purification capacity, thereby reducing the waste of consumables and lowering the operating costs.

[0018] 2. By setting up an adjustment mechanism and an auxiliary mechanism, the present invention can accurately control the replacement and replenishment process of the activated carbon purification plate, ensuring that the inactivated activated carbon is replaced first in the high-concentration pollutant area near the air inlet, while the activated carbon far away from the air inlet can still maintain its effective adsorption capacity, avoiding the activated carbon that still has purification capacity from being discarded prematurely, thereby improving the utilization rate of the activated carbon and reducing the cost of consumables.

[0019] 3. The present invention provides an adjustment mechanism. Through the adjustment of the rotating frame, the activated carbon purification plates are naturally divided into three layers in the support frame and maintain a certain distance. Since the activated carbon close to the intake pipe side is first exposed to high-concentration pollutants, it will quickly reach an adsorption saturation state, while the activated carbon purification plate close to the exhaust pipe gradually moves toward the intake pipe side during multiple replacements, thereby avoiding the premature discard of activated carbon that still has purification capacity, thereby reducing the cost of consumables.

[0020] 4. The present invention provides an auxiliary mechanism. After the activated carbon purification plate completes the purification operation, the sliding plate prevents the smoke from passing through the opening to contaminate the newly added activated carbon purification plate, thereby ensuring the continuity of the purification process. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall front structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the overall front cross-sectional structure of the present invention;

[0023] Figure 3 It is a schematic cross-sectional structural diagram of the support mechanism of the present invention;

[0024] Figure 4 Schematic diagram of the auxiliary mechanism structure of the present invention Figure 1 ;

[0025] Figure 5 Schematic diagram of the auxiliary mechanism structure of the present invention Figure 2 ;

[0026] Figure 6 Schematic diagram of the adjustment mechanism structure of the present invention Figure 1 ;

[0027] Figure 7 Schematic diagram of the adjustment mechanism structure of the present invention Figure 2 ;

[0028] Figure 8 For the present invention Figure 2 Schematic diagram of the enlarged structure of A in the figure.

[0029] In the figure: 1. Support mechanism; 101. Support frame; 102. Support foot; 103. Warehouse door; 104. First push rod; 105. First push plate; 106. Inlet pipe; 107. Exhaust pipe; 108. Partition; 109. First fixed shaft; 110. Sliding groove; 111. Fixed frame; 112. Second push rod; 113. Second push plate; 114. Motor; 115. Gear; 116. Conveyor belt; 117. Support plate; 118. Detection probe; 2. Auxiliary mechanism; 201. First hydraulic rod; 202. Sliding block; 203. First rotating rod; 204. Sliding plate; 205. Second rotating rod; 206. Adjusting plate; 207. Spring; 3. Adjusting mechanism; 301. Second hydraulic rod; 302. Sliding frame; 303. Second fixed shaft; 304. Connecting rod; 305. Rotating frame; 306. Boss. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0031] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but are not to be construed as limiting the present invention.

[0032] In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be understood broadly. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0033] Example 1: See Figure 1-Figure 3 The present invention provides a technical solution: an activated carbon replenishing device for a flue gas purifier, comprising a support mechanism 1, the support mechanism 1 comprising a support frame 101, the outer surface of the support frame 101 is connected to a warehouse door 103 by a hinge, the outer wall of the support frame 101 away from the warehouse door 103 is fixedly connected to a fixing frame 111, the outer wall of the support frame 101 close to the warehouse door 103 is fixedly connected to a supporting foot 102, the bottom outer wall of the support frame 101 is fixedly connected to an air intake pipe 106, the end of the support frame 101 away from the air intake pipe 106 is fixedly connected to an exhaust pipe 107, the inner wall of the support frame 101 is fixedly connected to a partition 108, the inner wall of the partition 108 is fixedly connected to a first fixed shaft 109, the inner wall of the partition 108 is provided with a sliding groove 110, the partition 1 08 is provided with an auxiliary mechanism 2 inside, and a first push rod 104 is fixedly connected to the outer wall of the support frame 101 near the warehouse door 103, and the output end of the first push rod 104 is fixedly connected to the first push plate 105. When the activated carbon purification plate inside the support frame 101 needs to be replaced, the auxiliary mechanism 2 is first used to open the openings on both sides of the partition 108, and then the new activated carbon purification plate is transported to the side of the support frame 101 near the first push plate 105 through the conveyor belt 116. Subsequently, the first push rod 104 uses the first push plate 105 to push the new activated carbon purification plate to the side of the exhaust pipe 107. After completing the replacement and replenishment of the activated carbon purification plate, the auxiliary mechanism 2 is used again to seal the opening of the partition 108 to prevent the flue gas from passing through the opening to contaminate the new activated carbon purification plate.

[0034] A second push rod 112 is fixedly connected to the outer wall of the support frame 101 near the air inlet pipe 106, and a second push plate 113 is fixedly connected to the output end of the second push rod 112. A detection probe 118 is fixedly connected to the inner wall of the support frame 101 near the second push plate 113. The detection probe 118 is set above the bottom activated carbon purification plate and is used to judge the degree of attenuation of the purification power of the bottom activated carbon purification plate. When the purification power of the bottom activated carbon purification plate is completely attenuated, the second push plate 113 will push the activated carbon purification plate with exhausted purification power to the side of the conveyor belt 116, so that the subsequent replacement and replenishment of the activated carbon purification plates can be carried out more conveniently.

[0035] The outer wall of the support frame 101 is fixedly connected to a motor 114, and the output end of the motor 114 passes through the support frame 101 and is fixedly connected to a gear 115. The outer wall of the gear 115 is movably connected to a conveyor belt 116, and the outer surface of the conveyor belt 116 is fixedly connected to a support plate 117. The top outer surface of the support plate 117 is slidably connected to the activated carbon purification plate. The motor 114 uses the gear 115 to enable the conveyor belt 116 to transport the activated carbon purification plate. When replacing and replenishing the activated carbon purification plate, once the second push plate 113 pushes the activated carbon purification plate with completely attenuated purification force onto the support plate 117 on the conveyor belt 116, and the first push rod 104 pushes the new activated carbon purification plate to the side of the exhaust pipe 107 through the first push plate 105, the motor 114 will drive the gear 115 to drive the conveyor belt 116 to operate. The support plate 117 on the top of the conveyor belt 116 always holds the new activated carbon purification plate, while the bottom of the conveyor belt 116 is the old activated carbon purification plate.

[0036] Example 2: Please refer to Figure 4-Figure 5 On the basis of Example 1, the present invention provides a technical solution: the auxiliary mechanism 2 includes a first hydraulic rod 201 fixedly connected to the inner wall of the partition 108, and the output end of the first hydraulic rod 201 is fixedly connected to the sliding block 202, and the inner wall of the sliding block 202 is rotatably connected to the first rotating rod 203 through a rotating shaft, and the inner wall of the first rotating rod 203 away from the sliding block 202 is rotatably connected to the sliding plate 204 through a rotating shaft. The sliding plate 204 is used to seal the opening of the partition 108 through the sliding groove 110. When the activated carbon purification plate inside the support frame 101 needs to be replaced, the first hydraulic rod 201 pushes the sliding block 202. Since the inner wall of the sliding block 202 is rotatably connected to the first rotating rod 203, the first rotating rod 203 will pull the sliding plate 204 to slide along the inner wall of the sliding groove 110, thereby opening the opening of the partition 108.

[0037] The outer surface of the sliding plate 204 is slidably connected to the inner wall of the sliding groove 110. The end of the first rotating rod 203 close to the sliding plate 204 is rotatably connected to the second rotating rod 205 through a rotating shaft. The inner wall of the end of the second rotating rod 205 away from the first rotating rod 203 is rotatably connected to the adjusting plate 206 through a rotating shaft. The adjusting plate 206 keeps the sliding distance of the sliding plate 204 the same. The outer wall of the adjusting plate 206 close to the sliding plate 204 is fixedly connected to a spring 207. The end of the spring 207 away from the adjusting plate 206 is fixedly connected to the partition 108. The inner wall of the adjusting plate 206 slides with the first fixed axis 109. Dynamic connection, spring 207 is used to assist the adjustment plate 206 in resetting, and the first fixed shaft 109 is used to limit the sliding distance of the adjustment plate 206. In the process of the first hydraulic rod 201 pushing the sliding block 202, the first rotating rod 203 uses the second rotating rod 205 to pull the adjustment plate 206 to slide along the outer surface of the first fixed shaft 109. When the adjustment plate 206 slides, it will squeeze the spring 207. At the same time, the adjustment plate 206 can ensure that the rotation angles of the second rotating rod 205 rotatably connected to the inner walls on both sides are consistent, so that the sliding distances of the sliding plates 204 slidably connected at both ends of the inner wall of the partition 108 can be ensured to be equal.

[0038] Example 3: Please refer to Figure 6-Figure 8 On the basis of the first and second embodiments, the present invention provides a technical solution: the adjustment mechanism 3 includes a second hydraulic rod 301 fixedly connected to the fixed frame 111, the output end of the second hydraulic rod 301 is fixedly connected to the sliding frame 302, the outer wall of the sliding frame 302 close to the support frame 101 is fixedly connected to the second fixed shaft 303, the end of the second fixed shaft 303 away from the sliding frame 302 passes through the support frame 101 and is rotatably connected to the connecting rod 304 through the rotating shaft, and the second hydraulic rod 301 is used to control the inclination of the connecting rod 304 through the sliding frame 302 Angle, when replacing and replenishing the activated carbon purification plate, the activated carbon near the air inlet is the first to contact the high concentration of pollutants and will quickly reach the adsorption saturation state, while the activated carbon far away from the air inlet can still maintain effective adsorption capacity because the pollutant concentration decreases with distance. When the activated carbon purification plate at the bottom layer is pushed to the side of the conveyor belt 116, the second hydraulic rod 301 starts to work, pulling the sliding frame 302, and the sliding frame 302 drives the connecting rod 304 through the second fixed shaft 303 to push the rotating frame 305, thereby causing the rotating frame 305 to flip at a certain angle.

[0039] The inner wall of the support frame 101 is rotatably connected to the rotating frame 305 through a rotating shaft. The inner wall of the rotating frame 305 is rotatably connected to the connecting rod 304 through a rotating shaft. The outer surface of the rotating frame 305 away from the connecting rod 304 is fixedly connected with a protrusion 306. The protrusion 306 is used to guide the positioning and sliding of the activated carbon purification plate. When the rotating frame 305 is flipped to a set angle, the lifted activated carbon purification plate will slide along the protrusion 306 toward the bottom side of the support frame 101. In this process, the flipping angle of the rotating frame 305 is accurately controlled by the second hydraulic rod 301 to guide the activated carbon purification plate to slide. The activated carbon purification plate continues to slide down along the protruding column 306. When the rotating frame 305 is reset, the top of the rotating frame 305 will play an auxiliary supporting role for the activated carbon purification plate, so that the activated carbon purification plate is naturally stratified into three layers in the support frame 101. Since the activated carbon close to the side of the intake pipe 106 is first exposed to high-concentration pollutants, it will quickly reach an adsorption saturation state, and the activated carbon purification plate close to the exhaust pipe 107 will gradually slide toward the side of the intake pipe 106 during repeated replacement operations, thereby avoiding the premature discard of activated carbon that still has purification capacity, effectively reducing the cost of consumables.

[0040] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0041] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An activated carbon replenishing device for a flue gas purifier, comprising a supporting mechanism (1), the supporting mechanism (1) comprising a supporting frame (101), the outer surface of the supporting frame (101) being rotatably connected to a door (103) via a hinge, the outer wall of the supporting frame (101) being away from the door (103) being fixedly connected to a fixing frame (111), the outer wall of the supporting frame (101) being close to the door (103) being fixedly connected to a supporting foot (102), the supporting frame (1 01) is fixedly connected to an air inlet pipe (106) on its bottom outer wall, an end of the support frame (101) away from the air inlet pipe (106) is fixedly connected to an exhaust pipe (107), an inner wall of the support frame (101) is fixedly connected to a partition (108), an inner wall of the partition (108) is fixedly connected to a first fixed shaft (109), a sliding groove (110) is provided on the inner wall of the partition (108), an auxiliary mechanism (2) is provided inside the partition (108), and the characteristics are as follows: Also included are: The adjusting mechanism (3) comprises a second hydraulic rod (301) fixedly connected to the fixed frame (111); an output end of the second hydraulic rod (301) is fixedly connected to a sliding frame (302); an outer wall of the sliding frame (302) close to the support frame (101) is fixedly connected to a second fixed shaft (303); an end of the second fixed shaft (303) away from the sliding frame (302) passes through the support frame (101) and is rotatably connected to a connecting rod (304) via a rotating shaft; the second hydraulic rod (301) is used to control the tilt angle of the connecting rod (304) through the sliding frame (302).

2. The activated carbon replenishing device for a flue gas purifier according to claim 1, characterized in that: The inner wall of the support frame (101) is rotatably connected to a rotating frame (305) via a rotating shaft. The inner wall of the rotating frame (305) is rotatably connected to a connecting rod (304) via a rotating shaft. A protruding column (306) is fixedly connected to the outer surface of a side of the rotating frame (305) away from the connecting rod (304). The protruding column (306) is used to guide the activated carbon purification plate to slide in a positioned manner.

3. The activated carbon replenishing device for a flue gas purifier according to claim 1, characterized in that: The auxiliary mechanism (2) comprises a first hydraulic rod (201) fixedly connected to the inner wall of the partition (108); the output end of the first hydraulic rod (201) is fixedly connected to a sliding block (202); the inner wall of the sliding block (202) is rotatably connected to a first rotating rod (203) via a rotating shaft; the inner wall of one end of the first rotating rod (203) away from the sliding block (202) is rotatably connected to a sliding plate (204) via a rotating shaft; the sliding plate (204) is used to block the opening of the partition (108) through the sliding groove (110).

4. The activated carbon replenishing device for a flue gas purifier according to claim 3, characterized in that: The outer surface of the sliding plate (204) is slidably connected to the inner wall of the sliding groove (110); the end of the first rotating rod (203) close to the sliding plate (204) is rotatably connected to the second rotating rod (205) via a rotating shaft; the inner wall of the end of the second rotating rod (205) away from the first rotating rod (203) is rotatably connected to the adjusting plate (206) via a rotating shaft; the adjusting plate (206) keeps the sliding distance of the sliding plate (204) the same.

5. The activated carbon replenishing device for a flue gas purifier according to claim 4, characterized in that: A spring (207) is fixedly connected to the outer wall of one side of the regulating plate (206) close to the sliding plate (204), and one end of the spring (207) away from the regulating plate (206) is fixedly connected to the partition (108). The inner wall of the regulating plate (206) is slidably connected to the first fixed shaft (109). The spring (207) is used to assist the regulating plate (206) in resetting, and the first fixed shaft (109) is used to limit the sliding distance of the regulating plate (206).

6. The activated carbon replenishing device for a flue gas purifier according to claim 1, characterized in that: A first push rod (104) is fixedly connected to an outer wall of the support frame (101) on one side close to the door (103), and a first push plate (105) is fixedly connected to an output end of the first push rod (104). The first push plate (105) is used to push a new activated carbon purification plate toward the side of the exhaust pipe (107).

7. The activated carbon replenishing device for a flue gas purifier according to claim 1, characterized in that: A second push rod (112) is fixedly connected to an outer wall of a side of the support frame (101) close to the air inlet pipe (106), and an output end of the second push rod (112) is fixedly connected to a second push plate (113). A detection probe (118) is fixedly connected to an inner wall of a side of the support frame (101) close to the second push plate (113). The second push plate (113) is used to push the deactivated activated carbon purification plate toward the side of the warehouse door (103). The detection probe (118) is located above the bottommost activated carbon purification plate and is used to determine the attenuation state of the purification force of the bottommost activated carbon purification plate.

8. The activated carbon replenishing device for a flue gas purifier according to claim 1, characterized in that: The outer wall of the support frame (101) is fixedly connected to a motor (114), the output end of the motor (114) passes through the support frame (101) and is fixedly connected to a gear (115), the outer wall of the gear (115) is movably sleeved with a conveyor belt (116), the outer surface of the conveyor belt (116) is fixedly connected to a support plate (117), and the motor (114) enables the conveyor belt (116) to transport the activated carbon purification plate through the gear (115).

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