Activated carbon adsorption device for waste gas purification

Abstract

The activated carbon adsorption device is characterized in that a gas inlet is formed in a shell, a filter screen is arranged in the shell, a cleaning assembly is arranged on one side of the filter screen, two activated carbon filter plates are arranged on the side, away from the gas inlet, of the filter screen, the activated carbon filter plates are connected with the shell in an inserted mode, and the activated carbon filter plates and the shell are locked through plug pin assemblies; a rotatable baffle assembly is arranged between the two activated carbon filter plates, and two air outlets are formed in the shell; the two activated carbon filter plates, the two air outlets and the baffle assembly are used in cooperation, the mode of using one activated carbon filter plate or two activated carbon filter plates can be selected according to the concentration of harmful substances contained in waste gas, the activated carbon filter plates are connected with the shell in an inserted mode, the plug pin assembly is locked, and therefore the activated carbon filter plates and the shell can be separated from each other. Meanwhile, by matching with a pop-up assembly, quick assembly and quick disassembly of the activated carbon filter plate are realized, and by arranging a cleaning assembly and a dust collection box, cleaning of the filter screen is realized, and the filter screen is prevented from being blocked to affect the filtering effect.

Description

Technical Field

[0001] The utility model relates to the field of waste gas treatment, in particular to an activated carbon adsorption device for waste gas purification. Background Art

[0002] Waste gas treatment equipment is a series of devices used to purify harmful gases generated in industrial production and daily life to reduce environmental pollution, protect ecology and human health. Activated carbon adsorption devices are often used in existing waste gas treatment equipment. Activated carbon adsorption devices for waste gas purification are a type of equipment specially designed to treat waste gas containing harmful substances generated in industrial production and daily life. It uses activated carbon as an adsorption medium to capture organic pollutants, odorous gases and other volatile organic compounds in the waste gas.

[0003] Exhaust gas contains harmful substances in different concentrations. The existing activated carbon adsorption device for exhaust gas purification has a single exhaust gas treatment mode and cannot perform different treatment modes according to the concentration of harmful substances in the exhaust gas. In addition, the activated carbon filter plate in the device often needs to be replaced during use, which is inconvenient to operate in the existing device. Dust will accumulate on the filter screen during use, affecting the filtering effect of the exhaust gas. Utility Model Content

[0004] The purpose of the utility model is to provide an activated carbon adsorption device for exhaust gas purification to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An activated carbon adsorption device for exhaust gas purification comprises a shell, an air inlet is provided on the shell, a filter is fixedly connected to the side of the shell near the air inlet, a cleaning assembly is provided on the side of the filter near the air inlet, two activated carbon filter plates are provided on the side of the filter away from the air inlet, the activated carbon filter plates are plug-connected to the shell and locked to the shell by a latch assembly, a rotatable baffle assembly is provided between the two activated carbon filter plates, two air outlets are provided on the shell, one air outlet is arranged between the activated carbon filter plate and the baffle assembly, and the other air outlet is arranged on the side of the activated carbon filter plate away from the baffle assembly, an air detector is provided between the filter and the activated carbon filter plate, a controller is fixedly connected to the shell, and the air detector, the two air outlets and the baffle assembly are all electrically connected to the controller.

[0007] As a further solution of the utility model: a mounting groove is provided on the top wall of the shell on the side of the filter screen close to the air inlet, and a through groove is provided on the bottom wall of the shell opposite to the mounting groove; the cleaning assembly includes a screw rod, a first motor, a screw sleeve, a guide rod, a sliding sleeve, a second motor, a rotating shaft, and a brush; the screw rod is rotatably connected in the mounting groove, one end of the screw rod passes through the shell and is fixedly connected to the output end of the first motor, the first motor is fixedly connected to the shell, a screw sleeve is sleeved on the screw rod, the screw sleeve is threadedly connected to the screw rod, a guide rod is fixedly connected in the through groove, a sliding sleeve is sleeved on the guide rod, the sliding sleeve is slidably connected to the guide rod, the second motor is fixedly connected to the screw sleeve, the output end of the second motor is fixedly connected to the rotating shaft, the other end of the rotating shaft is rotatably connected to the sliding sleeve, and a brush is fixedly connected to the rotating shaft.

[0008] As a further solution of the utility model: a dust collecting box is provided below the through slot, and the dust collecting box is detachably connected to the shell.

[0009] As a further solution of the utility model: two slots are provided in the shell, the activated carbon filter plate is plug-connected with the slots and locked with the shell through a latch assembly. Two latch assemblies are provided, which are respectively arranged on the two side walls of the shell. The latch assembly includes a connecting plate, a first spring and a latch. The connecting plate is fixedly connected with the latch, the latch penetrates into the shell and is slidably connected with the shell. First springs are provided on both sides of the latch, one end of the first spring is fixedly connected to the connecting plate, and the other end is fixedly connected to the shell. Two sockets are provided on opposite sides of the activated carbon filter plate, and the sockets are plug-connected with the latch.

[0010] As a further solution of the utility model: a pop-up assembly is provided at the bottom of the slot, and the pop-up assembly includes a telescopic rod, a second spring and a fixed plate. The bottom end of the telescopic rod is fixedly connected to the slot, the top end of the telescopic rod is fixedly connected to the fixed plate, and the outer sleeve of the telescopic rod is provided with a second spring. The top end of the second spring is fixedly connected to the fixed plate, and the bottom end is fixedly connected to the shell.

[0011] As a further solution of the utility model: the baffle assembly includes a third motor, a connecting shaft and a baffle, the third motor is fixedly connected to the top of the shell, the output end of the third motor is fixedly connected to the connecting shaft, the other end of the connecting shaft is rotatably connected to the bottom wall of the shell, and the baffle is fixedly connected to the connecting shaft.

[0012] As a further solution of the utility model: a sealing strip is arranged at the position where the activated carbon filter plate and the baffle plate contact the shell, and the sealing strip is fixedly connected to the activated carbon filter plate and the baffle plate.

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

[0014] 1. An activated carbon adsorption device for exhaust gas purification uses two activated carbon filter plates, two air outlets, a baffle assembly, an air detector and a controller. It can choose to use one activated carbon filter plate or two activated carbon filter plates according to the concentration of harmful substances contained in the exhaust gas. On the premise of ensuring that the exhaust gas is filtered cleanly, the activated carbon filter plates are used as little as possible to reduce the replacement and maintenance of the activated carbon filter plates. In addition, when the performance of one activated carbon filter plate is degraded or partially fails, the other activated carbon filter plate can be activated immediately to improve the reliability of the device.

[0015] 2. The activated carbon filter plate is plug-connected to the shell and locked with the shell by a latch assembly. At the same time, the pop-up assembly is used to realize quick installation and removal of the activated carbon filter plate, which is easy to operate and improves work efficiency.

[0016] 3. By providing a cleaning component and a dust collection box on one side of the filter, the filter can be cleaned to prevent the filter from being blocked and affecting the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The present invention is a schematic diagram of the structure of an activated carbon adsorption device for waste gas purification.

[0018] Figure 2 It is a cross-sectional view of an activated carbon adsorption device for exhaust gas purification.

[0019] Figure 3 It is a cross-sectional view along the AA direction of an activated carbon adsorption device for exhaust gas purification.

[0020] Figure 4 It is a cross-sectional view along the BB direction of an activated carbon adsorption device for exhaust gas purification.

[0021] Figure 5 The present invention is a schematic diagram of the structure of an ejection component in an activated carbon adsorption device for exhaust gas purification.

[0022] Figure 6 It is a cross-sectional view along the CC direction of an activated carbon adsorption device for exhaust gas purification. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figures 1 to 6In an embodiment of the utility model, an activated carbon adsorption device for exhaust gas purification includes a shell 1, in which a filter screen 2 and two activated carbon filter plates 3 and 4 are provided. The exhaust gas enters the shell 1 and passes through the filter screen 2 to filter large particles of impurities in the exhaust gas, and then passes through the two activated carbon filter plates 3 and 4 to adsorb harmful substances in the exhaust gas, and then the clean gas is discharged to the outside of the shell 1.

[0025] The housing 1 is provided with an air inlet 11, and a filter 2 is fixedly connected to one side of the housing 1 near the air inlet 11. In order to prevent dust from accumulating on the filter 2 after long-term use, a cleaning component 5 is provided on the side of the filter 2 near the air inlet 11. After a period of use, the cleaning component 5 can be activated to clean the filter 2. Two activated carbon filter plates 3 and 4 are provided on the side of the filter 2 away from the air inlet 11, and a rotatable baffle assembly 6 is provided between the two activated carbon filter plates 3 and 4. Two air outlets 12 and 13 are provided on the housing 1, one air outlet 12 is provided between the activated carbon filter plate 3 and the baffle assembly 6, and the other air outlet 13 is provided on the side of the activated carbon filter plate 4 away from the baffle assembly 6. The structure of the utility model can choose to use one activated carbon filter plate or two activated carbon filter plates according to the concentration of harmful substances contained in the exhaust gas. When the concentration of harmful substances contained in the exhaust gas is high, the baffle assembly 6 is rotated to a direction horizontal to the shell 1, the air outlet 12 is closed, and the air outlet 13 is opened. After the exhaust gas is processed by the filter 2 and the two activated carbon filter plates 3 and 4, it is discharged through the air outlet 13; when the concentration of harmful substances contained in the exhaust gas is low, the baffle assembly 6 is rotated to a direction vertical to the shell 1, the air outlet 13 is closed, and the air outlet 12 is opened. After the exhaust gas is processed by the filter 2 and an activated carbon filter plate 3, it is discharged through the air outlet 12. By setting two processing modes, the activated carbon filter plate can be used as little as possible under the premise of ensuring that the exhaust gas is filtered cleanly, reducing the replacement and maintenance of the activated carbon filter plate, and when the performance of one activated carbon filter plate is reduced or partially fails, another activated carbon filter plate can be activated immediately to improve the reliability of the device.

[0026] An air detector 10 is provided between the filter screen 2 and the activated carbon filter plate 3, and a controller 100 is fixedly connected to the shell 1. The air detector 10, two air outlets 12, 13 and the baffle assembly 6 are electrically connected to the controller 100. The air detector 10 detects the concentration of harmful substances contained in the exhaust gas and transmits the signal to the controller 100. The controller 100 controls the selection of a corresponding mode for exhaust gas treatment according to the detection result.

[0027] like Figure 2 and Figure 3As shown, a mounting groove 14 is provided on the top wall of the shell 1 on the side of the filter screen 2 close to the air inlet 11, and a through groove 15 is provided on the bottom wall of the shell 1 opposite to the mounting groove 14. The cleaning assembly 5 includes a screw rod 51, a first motor 52, a screw sleeve 53, a guide rod 54, a sleeve 55, a second motor 56, a rotating shaft 57, and a brush 58. The screw rod 51 is rotatably connected in the mounting groove 14, one end of the screw rod 51 passes through the shell 1 and is fixedly connected to the output end of the first motor 52, the first motor 52 is fixedly connected to the shell 1, a screw sleeve 53 is sleeved on the screw rod 51, the screw sleeve 53 is threadedly connected to the screw rod 51, a guide rod 54 is fixedly connected in the through groove 15, a sleeve 55 is sleeved on the guide rod 54, the sleeve 55 is slidably connected to the guide rod 54, the screw sleeve 53 is fixedly connected to the second motor 56, the output end of the second motor 56 is fixedly connected to the rotating shaft 57, the other end of the rotating shaft 57 is rotatably connected to the sleeve 55, and the rotating shaft 57 is fixedly connected to the brush 58. When the filter 2 needs to be cleaned, the first motor 52 and the second motor 56 are started, the first motor 52 drives the screw sleeve 53 to move, the screw sleeve 53 drives the brush 58 connected thereto to move, and the second motor 56 drives the brush 58 to rotate, so that the brush 58 rotates simultaneously during the movement, so that the filter 2 can be cleaned more thoroughly and with higher cleaning efficiency.

[0028] A dust box 18 is provided below the through slot 15 , and the dust box 18 is detachably connected to the housing 1 . After the filter 2 is cleaned, the dust swept away will fall into the dust box 18 , and then the dust box 18 will be removed to process the dust.

[0029] like Figure 2 and Figure 4 As shown, Figure 4It is a cross-sectional view of the activated carbon filter plate 3, and the cross-sectional view of the activated carbon filter plate 4 is the same. Two slots 16 and 17 are provided in the shell 1. The activated carbon filter plates 3 and 4 are plugged and connected with the slots 16 and 17, and are locked with the shell 1 through a latch assembly 7. There are two latch assemblies 7, which are respectively arranged on the two side walls of the shell 1. The latch assembly 7 includes a connecting plate 71, a first spring 72 and a latch 73. The connecting plate 71 is fixedly connected with the latch 73, the latch 73 penetrates into the shell 1 and is slidably connected with the shell 1. First springs 72 are provided on both sides of the latch 73, one end of the first spring 72 is fixedly connected to the connecting plate 71, and the other end is fixedly connected to the shell 1. Two sockets 31 and 41 are provided on opposite sides of the activated carbon filter plates 3 and 4, and the sockets 31 and 41 are plugged and connected with the latch 73. When installing the activated carbon filter plates 3 and 4, they are inserted into the slots 16 and 17. The bottom of the activated carbon filter plates 3 and 4 pushes the pins 73 to move outward, and the activated carbon filter plates 3 and 4 continue to be inserted downward. When the sockets 31 and 41 move to the position opposite to the pins 73, the pins 73 are inserted into the sockets 31 and 41 to fix the activated carbon filter plates 3 and 4. When the activated carbon filter plates 3 and 4 need to be replaced, the connecting plates 71 on both sides are pulled outward, and the connecting plates 71 drive the pins 73 to be removed from the sockets 31 and 41, so that the activated carbon filter plates 3 and 4 can be removed for replacement, which is easy to operate.

[0030] like Figure 5 As shown, in order to facilitate the replacement of the activated carbon filter plates 3 and 4, a pop-up assembly 8 is provided at the bottom of the slots 16 and 17. The pop-up assembly 8 includes a telescopic rod 81, a second spring 82 and a fixing plate 83. The bottom end of the telescopic rod 81 is fixedly connected to the slots 16 and 17, the top end of the telescopic rod 81 is fixedly connected to the fixing plate 83, and the outer sleeve of the telescopic rod 81 is provided with a second spring 82. The top end of the second spring 82 is fixedly connected to the fixing plate 83, and the bottom end is fixedly connected to the housing 1. When replacing the activated carbon filter plates 3 and 4, after the latch 73 is removed from the sockets 31 and 41, the second spring 82 is unlocked, driving the fixing plate 83 to pop up, thereby popping up the activated carbon filter plates 3 and 4, making it convenient to remove the activated carbon filter plates 3 and 4.

[0031] like Figure 6 As shown, the baffle assembly 6 includes a third motor 61, a connecting shaft 62 and a baffle 63. The third motor 61 is fixedly connected to the top of the housing 1. The output end of the third motor 61 is fixedly connected to the connecting shaft 62. The other end of the connecting shaft 62 is rotatably connected to the bottom wall of the housing 1. The baffle 63 is fixedly connected to the connecting shaft 62. When the baffle 63 needs to be adjusted, the third motor 61 is started, and the third motor 61 drives the connecting shaft 62 and the baffle 63 to rotate, so as to adjust the baffle 63 to an open state or a closed state.

[0032] In order to ensure the sealing performance of the device, a sealing strip 9 is provided at the position where the activated carbon filter plates 3 , 4 , the baffle plate 63 contact the housing 1 , and the sealing strip 9 is fixedly connected to the activated carbon filter plates 3 , 4 and the baffle plate 63 .

[0033] The working principle of the utility model is as follows: the exhaust gas enters the housing 1 and first passes through the filter 2 to filter the large particles of impurities in the exhaust gas, and then detects the concentration of harmful substances contained in the exhaust gas through the air detector 10, and transmits the signal to the controller 11. The controller 11 controls the selection of different modes for exhaust gas treatment according to the detection result. When the concentration of harmful substances contained in the exhaust gas is large, the controller 11 starts the two activated carbon filter plate modes, rotates the baffle assembly 6 to a direction horizontal to the housing 1, so that it is in an open state, closes the air outlet 12, opens the air outlet 13, and the exhaust gas is treated by the filter 2 and the two activated carbon filter plates 3 and 4. After that, it is discharged through the air outlet 13; when the concentration of harmful substances in the exhaust gas is small, the controller 11 starts an activated carbon filter plate mode, rotates the baffle assembly 6 to a direction perpendicular to the shell 1, so that it is in a closed state, closes the air outlet 13, opens the air outlet 12, and the exhaust gas is processed by the filter screen 2 and an activated carbon filter plate 3, and then discharged through the air outlet 12; when the filter screen 2 is used for a period of time, the cleaning assembly 5 can be started to clean the filter screen, and when the activated carbon filter plates 3 and 4 need to be replaced after being used for a period of time, the activated carbon filter plates 3 and 4 can be quickly replaced through the cooperation of the latch assembly 7 and the pop-up assembly 8, which is convenient and quick.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An activated carbon adsorption device for exhaust gas purification, comprising a housing (1), an air inlet (11) being provided on the housing (1), a filter screen (2) being fixedly connected to one side of the housing (1) close to the air inlet (11), and characterized in that: A cleaning assembly (5) is provided on the side of the filter screen (2) close to the air inlet (11), and two activated carbon filter plates (3, 4) are provided on the side of the filter screen (2) away from the air inlet (11). The activated carbon filter plates (3, 4) are plug-connected to the housing (1) and locked to the housing (1) via a latch assembly (7). A rotatable baffle assembly (6) is provided between the two activated carbon filter plates (3, 4). The housing (1) is provided with two air outlets (12, 13), one of which is for air outlets. An air inlet (12) is arranged between the activated carbon filter plate (3) and the baffle assembly (6), another air outlet (13) is arranged on a side of the activated carbon filter plate (4) away from the baffle assembly (6), an air detector (10) is arranged between the filter screen (2) and the activated carbon filter plate (3), a controller (100) is fixedly connected to the housing (1), and the air detector (10), the two air outlets (12, 13) and the baffle assembly (6) are all electrically connected to the controller (100).

2. The activated carbon adsorption device for exhaust gas purification according to claim 1, characterized in that: A mounting groove (14) is provided on the top wall of the housing (1) on the side of the filter screen (2) close to the air inlet (11), and a through groove (15) is provided on the bottom wall of the housing (1) opposite to the mounting groove (14). The cleaning assembly (5) comprises a screw rod (51), a first motor (52), a screw sleeve (53), a guide rod (54), a sliding sleeve (55), a second motor (56), a rotating shaft (57), and a brush (58). The screw rod (51) is rotatably connected in the mounting groove (14), one end of the screw rod (51) passes through the housing (1) and is fixedly connected to the output end of the first motor (52). The first motor (52) is connected to the housing (1) and the second motor (56) is connected to the housing (1). The machine (52) is fixedly connected to the housing (1); a screw sleeve (53) is sleeved on the screw rod (51); the screw sleeve (53) is threadedly connected to the screw rod (51); a guide rod (54) is fixedly connected in the through groove (15); a sliding sleeve (55) is sleeved on the guide rod (54); the sliding sleeve (55) is slidably connected to the guide rod (54); a second motor (56) is fixedly connected to the screw sleeve (53); a rotating shaft (57) is fixedly connected to the output end of the second motor (56); the other end of the rotating shaft (57) is rotatably connected to the sliding sleeve (55); and a brush (58) is fixedly connected to the rotating shaft (57).

3. The activated carbon adsorption device for exhaust gas purification according to claim 2, characterized in that: A dust collecting box (18) is provided below the through slot (15), and the dust collecting box (18) is detachably connected to the housing (1).

4. The activated carbon adsorption device for exhaust gas purification according to claim 3, characterized in that: Two slots (16, 17) are arranged in the shell (1), and the activated carbon filter plates (3, 4) are plug-connected with the slots (16, 17) and locked with the shell (1) through a latch assembly (7). Two latch assemblies (7) are arranged, respectively, on two side walls of the shell (1). The latch assembly (7) comprises a connecting plate (71), a first spring (72) and a latch (73). The connecting plate (71) is fixedly connected with the latch (73). The latch (73) penetrates into the shell (1) and is slidably connected with the shell (1). First springs (72) are arranged on both sides of the latch (73). One end of the first spring (72) is fixedly connected with the connecting plate (71), and the other end is fixedly connected with the shell (1). Two plug holes (31, 41) are arranged on opposite sides of the activated carbon filter plates (3, 4), and the plug holes (31, 41) are plug-connected with the latch (73).

5. The activated carbon adsorption device for exhaust gas purification according to claim 4, characterized in that: A pop-up assembly (8) is provided at the bottom of the slots (16, 17), and the pop-up assembly (8) comprises a telescopic rod (81), a second spring (82) and a fixing plate (83); the bottom end of the telescopic rod (81) is fixedly connected to the slots (16, 17), the top end of the telescopic rod (81) is fixedly connected to the fixing plate (83), the outer sleeve of the telescopic rod (81) is provided with a second spring (82), the top end of the second spring (82) is fixedly connected to the fixing plate (83), and the bottom end is fixedly connected to the housing (1).

6. The activated carbon adsorption device for exhaust gas purification according to claim 5, characterized in that: The baffle assembly (6) comprises a third motor (61), a connecting shaft (62) and a baffle (63); the third motor (61) is fixedly connected to the top of the housing (1); the output end of the third motor (61) is fixedly connected to the connecting shaft (62); the other end of the connecting shaft (62) is rotatably connected to the bottom wall of the housing (1); and the baffle (63) is fixedly connected to the connecting shaft (62).

7. The activated carbon adsorption device for exhaust gas purification according to claim 6, characterized in that: A sealing strip (9) is provided at the position where the activated carbon filter plates (3, 4) and the baffle plate (63) contact the housing (1), and the sealing strip (9) is fixedly connected to the activated carbon filter plates (3, 4) and the baffle plate (63).

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