A pesticide production waste gas active carbon purification treatment equipment

Abstract

The application discloses a kind of active carbon purification treatment equipment of pesticide production waste gas, belongs to waste gas treatment technical field.A kind of active carbon purification treatment equipment of pesticide production waste gas, including adsorption box body, the one end of adsorption box body is provided with inlet hopper pipe, the other end of adsorption box body is provided with exhaust hopper pipe, wherein, the inlet hopper pipe and exhaust hopper pipe are all connected with adsorption box body by flange, the one side of adsorption box body is provided with electric heating air bellow.To solve the problem that existing active carbon adsorption saturation, active carbon needs regeneration, and harmful gas is released when high-temperature regeneration, and the inside of filter core cannot completely participate in reaction, thereby leading to the problem of adsorption efficiency decline of regenerated active carbon, heat-conducting sheet can comprehensively heat active carbon filter core, and cooperate with air duct to blow air into the inside of filter core, help filter core to react and regenerate, and then air duct opens air extraction function to extract waste gas generated during regeneration, realize the cyclic regeneration of filter core.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of waste gas treatment, in particular to an activated carbon purification treatment equipment for pesticide production waste gas. BACKGROUND

[0002] The components of waste gas that may be generated in the pesticide production process. Pesticide production usually involves organic solvents, volatile organic compounds (VOCs), acidic gases (such as HCl, SO2), ammonia, and dust. These components are harmful to the environment and human health, and the adsorption of activated carbon mainly relies on physical adsorption and chemical adsorption. Physical adsorption is due to its porous structure, large specific surface area, and ability to adsorb organic matter;

[0003] After the existing activated carbon adsorption is saturated, the activated carbon needs to be regenerated, and harmful gases will be released during high-temperature regeneration, and the internal filter core cannot fully participate in the reaction, resulting in a decrease in the adsorption efficiency of the regenerated activated carbon. SUMMARY

[0004] The purpose of the present application is to provide an activated carbon purification treatment equipment for pesticide production waste gas, which can comprehensively heat the activated carbon filter core during the regeneration operation, and at the same time cooperate with the air duct to blow air into the filter core, helping the filter core to react and regenerate, and then the air duct opens the air extraction function, using the surface to extract the waste gas generated during regeneration, realizing the cyclic regeneration of the filter core, and solving the problems in the prior art.

[0005] To achieve the above purpose, the present application provides the following technical scheme: an activated carbon purification treatment equipment for pesticide production waste gas, comprising an adsorption box body, one end of the adsorption box body is provided with an air inlet hopper pipe, the other end of the adsorption box body is provided with an air outlet hopper pipe, wherein the air inlet hopper pipe and the air outlet hopper pipe are connected with the adsorption box body through flanges, one side of the adsorption box body is provided with an electric heating air box, the electric heating air box is connected with the adsorption box body through bolts, the inside of the adsorption box body is provided with a filter cavity, and a plurality of activated carbon filter cores are arranged in the inside of the filter cavity.

[0006] Further, the two ends of the activated carbon filter core are provided with air baffle partitions, and the air baffle partitions are welded and connected with the adsorption box body, wherein the inner side of the air baffle partition is provided with a partition sliding groove, the filter cavity comprises a shunt cavity and a confluence cavity, wherein the confluence cavity is located between the activated carbon filter cores, and the shunt cavity has three, which are located on both sides of the activated carbon filter core and between the two groups of combined activated carbon filter core structures, and the confluence cavity is located between the activated carbon filter core interlayers; the waste gas contacts the activated carbon filter core through the shunt cavity, and the filtered gas enters the confluence cavity.

[0007] Further, the inside of the converging cavity is provided with a flow guide frame, the flow guide frame is connected with the adsorption box through screws, both sides of the flow guide frame are provided with turbulence vane plates, the turbulence vane plates are rotationally connected with the adsorption box, the turbulence vane plates and the flow guide frame are installed in the converging cavity, the included angle gap between the turbulence vane plates and the flow guide frame can be adjusted by rotating the turbulence vane plates, the through flow rate of the airflow in the converging cavity can be changed in this way, the flow guide frame can prevent the occurrence of the head-on situation between the opposite airflows, and the turbulence vane plates can avoid the occurrence of the backflow of the airflow on the same side.

[0008] Further, the active carbon filter element comprises a hollow cavity layer and a bone support, the outside of the bone support is provided with an outer filter layer, the inside of the bone support is provided with an inner filter layer, the outer filter layer and the inner filter layer are connected with the bone support through adhesive, and both sides of the outer filter layer and the inner filter layer are provided with matching grooves.

[0009] Further, the active carbon filter element is in contact with the shunt cavity through the outer filter layer, the active carbon filter element is in contact with the converging cavity through the inner filter layer, the shunt cavity is in communication with the air inlet hopper pipe, the converging cavity is in communication with the air outlet hopper pipe, the outer filter layer is directly in contact with the exhaust gas, and the inner filter layer is in contact with the gas filtered through the outer filter layer, so that the filtering quality can be further improved.

[0010] Further, one end of the active carbon filter element is provided with a drawer plate, the inside of the drawer plate is provided with a clamping shaft, the clamping shaft is connected with the drawer plate through screws, the active carbon filter element is connected with the clamping shaft through a clamping groove, both sides of the clamping shaft are provided with brackets, and the brackets are attached to the active carbon filter element through matching grooves, wherein the drawer plate is connected with the partition sliding groove through the brackets.

[0011] Further, the inside of the hollow cavity layer is provided with a heat conduction sheet, one end of the heat conduction sheet is provided with a metal guide core formed integrally, the inside of the heat conduction sheet is provided with an arc-shaped bracket groove, and the inside of the arc-shaped bracket groove is provided with a wind guide pipe.

[0012] Further, the inside of the wind guide pipe is provided with three sub-cavities, and the outside of the sub-cavities is provided with air holes, wherein the wind guide pipe extends to the inside of the electric heating air bellow, the heat conduction sheet is electrically connected with the electric heating air bellow through the metal guide core, when the regeneration operation is performed, the heat conduction sheet can comprehensively heat the active carbon filter element, and at the same time, the wind guide pipe blows air into the inside of the filter element, helping the filter element to react and regenerate, and then the wind guide pipe opens the air exhaust function, and the exhaust gas generated during the regeneration is removed from the surface, so that the cyclic regeneration of the filter element is realized.

[0013] Compared with the prior art, the active carbon filter element has the following beneficial effects:

[0014] 1. The present application, the spoiler and guide frame are installed in the confluence cavity, by rotating the spoiler can adjust the included angle gap between it and the guide frame, so as to change the flow rate of the airflow inside the confluence cavity, the guide frame can prevent the occurrence of the opposite airflow between the collision, and the spoiler can avoid the same side of the airflow backflow;

[0015] 2. The present application, the outer filter layer is in direct contact with the exhaust gas, and the inner filter layer is in contact with the gas filtered by the outer filter layer, so as to further improve the filtering quality, and when the regeneration operation is carried out, the heat conduction sheet can comprehensively heat the activated carbon filter element, and at the same time, the air duct cooperates with the air duct to blow the airflow into the filter element, helping the filter element to react and regenerate, and then the air duct opens the air extraction function, and the surface of the air duct is provided with air holes, so that the exhaust gas generated during the regeneration is extracted, and the cyclic regeneration of the filter element is realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall front view of the present application;

[0017] Figure 2 It is the overall internal structure schematic view of the present application;

[0018] Figure 3 It is the A enlarged structure schematic view of Figure 2

[0019] Figure 4 It is the activated carbon filter element sectional structure schematic view of the present application;

[0020] Figure 5 It is the drawer plate structure schematic view of the present application;

[0021] Figure 6 It is the air duct structure schematic view of the present application.

[0022] In the figure: 1, adsorption box body; 2, air inlet hopper pipe; 3, air outlet hopper pipe; 4, electric heating air bellow; 101, drawer plate; 102, activated carbon filter element; 103, air baffle; 104, filter cavity; 105, guide frame; 1011, clamping shaft; 1012, bracket; 1021, combined groove; 1022, hollow cavity layer; 1023, outer filter layer; 1024, inner filter layer; 1025, bone support; 1031, baffle sliding groove; 1041, shunt cavity; 1042, confluence cavity; 1051, spoiler; 401, air duct; 402, heat conduction sheet; 4011, air hole; 4012, cavity; 4021, arc-shaped bracket; 4022, metal guide core. DETAILED DESCRIPTION

[0023] ​The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the protection scope of the present application.

[0024] In order to solve the problem that the existing activated carbon needs to be regenerated after being saturated by adsorption, and harmful gases are released during high-temperature regeneration, and the internal part of the filter element cannot fully participate in the reaction, thereby causing the adsorption efficiency of the regenerated activated carbon to decrease, please refer to Figures 1-6 The technical solutions are provided in the embodiments as follows.

[0025] Embodiment 1

[0026] The active carbon purification treatment equipment for pesticide production waste gas includes an adsorption box body 1, one end of the adsorption box body 1 is provided with an air inlet pipe 2, the other end of the adsorption box body 1 is provided with an air outlet pipe 3, wherein the air inlet pipe 2 and the air outlet pipe 3 are connected with the adsorption box body 1 through flanges, the waste gas generated in the pesticide production process is transported into the air inlet pipe 2 through a pipeline, and then enters the adsorption box body 1 provided with an active carbon structure through the air inlet pipe 2, and is discharged from the air outlet pipe 3 after being treated by active carbon adsorption, one side of the adsorption box body 1 is provided with an electric heating air bellow 4, the electric heating air bellow 4 is connected with the adsorption box body 1 through bolts, the inside of the electric heating air bellow 4 is provided with a fan device and an electric heating device, the inside of the adsorption box body 1 is provided with a filter cavity 104, the inside of the filter cavity 104 is provided with multiple groups of active carbon filter elements 102, and there are four active carbon filter elements 102 in the box body, wherein two groups of filter structures are formed after two groups of active carbon filter elements 102 are combined;

[0027] Both ends of the active carbon filter element 102 are provided with a wind baffle 103, the wind baffle 103 is welded and connected with the adsorption box body 1, and the wind baffle 103 cooperates with the active carbon filter element 102 to change the air duct structure inside the filter cavity 104, so that the waste gas can flow in the set direction, wherein the inside of the wind baffle 103 is provided with a baffle sliding groove 1031, the filter cavity 104 includes a shunt cavity 1041 and a confluence cavity 1042, wherein the confluence cavity 1042 is located between the active carbon filter elements 102, the inside of the confluence cavity 1042 is provided with a flow guide frame 105, the flow guide frame 105 is connected with the adsorption box body 1 through screws, both sides of the flow guide frame 105 are provided with turbulence vane plates 1051, the turbulence vane plates 1051 are rotationally connected with the adsorption box body 1, there are three shunt cavities 1041, which are located at both sides of the active carbon filter element 102 and between the two groups of combined active carbon filter element 102 structures, and the confluence cavity 1042 is located between the interlayers of the active carbon filter elements 102, the waste gas contacts the active carbon filter element 102 through the shunt cavity 1041, and the filtered gas enters the confluence cavity 1042.

[0028] The spoiler vane 1051 and the guide frame 105 are installed in the converging cavity 1042, and the included angle gap between the spoiler vane 1051 and the guide frame 105 can be adjusted by rotating the spoiler vane 1051, so that the flow rate of the airflow in the converging cavity 1042 can be changed, the guide frame 105 can prevent the opposite airflows from colliding, and the spoiler vane 1051 can prevent the same-side airflows from flowing backward;

[0029] Embodiment 2:

[0030] In order to ensure the filtering efficiency of the filter core to the exhaust gas, the activated carbon filter core 102 needs to be regenerated after a period of work, and at this time, the filtering efficiency can be effectively improved through the structure design of the filter layer inside and outside the activated carbon filter core 102, and the heating regeneration operation of the activated carbon filter core 102 is facilitated;

[0031] Please refer to Figures 4-5 , the activated carbon filter core 102 includes a hollow cavity layer 1022 and a bone support 1025, wherein the outer filter layer 1023 is arranged on the outside of the bone support 1025, the inner filter layer 1024 is arranged on the inside of the bone support 1025, the outer filter layer 1023 and the inner filter layer 1024 are connected with the bone support 1025 through adhesive, both sides of the outer filter layer 1023 and the inner filter layer 1024 are provided with a joint groove 1021, the activated carbon filter core 102 is in contact with the diverging cavity 1041 through the outer filter layer 1023, the activated carbon filter core 102 is in contact with the converging cavity 1042 through the inner filter layer 1024, the diverging cavity 1041 is communicated with the air inlet hopper pipe 2, the converging cavity 1042 is communicated with the air outlet hopper pipe 3, the outer filter layer 1023 is directly in contact with the exhaust gas, and the inner filter layer 1024 is in contact with the gas filtered by the outer filter layer 1023, so that the filtering quality can be further improved, and when the regeneration operation is performed, only the structure of the outer filter layer 1023 needs to be heated and purged;

[0032] One end of the activated carbon filter core 102 is provided with a drawer plate 101, wherein the inner side of the drawer plate 101 is provided with a clamping shaft 1011, the clamping shaft 1011 is connected with the drawer plate 101 through a screw, the activated carbon filter core 102 is connected with the clamping shaft 1011 through a clamping groove, both sides of the clamping shaft 1011 are provided with a bracket 1012, and the bracket 1012 is attached to the activated carbon filter core 102 through the joint groove 1021, wherein the drawer plate 101 is slidably connected with the partition sliding groove 1031 through the bracket 1012, and the activated carbon filter core 102 and the drawer plate 101 adopt a detachable design structure, so that the activated carbon filter core 102 can be replaced and cleaned conveniently;

[0033] Embodiment 3:

[0034] The activated carbon filter element 102 needs to be contacted with high-temperature steam in the regeneration process, and the waste gas generated in the regeneration process of the activated carbon filter element 102 can be efficiently recovered through the cooperation of the heat conduction sheet 402 and the air guide pipe 401.

[0035] Please refer to Figure 2 and Figure 6 The hollow cavity layer 1022 is internally provided with a heat conduction sheet 402, wherein one end of the heat conduction sheet 402 is provided with a metal lead core 4022 formed integrally, the inner side of the heat conduction sheet 402 is provided with an arc-shaped supporting groove 4021, the arc-shaped supporting groove 4021 is internally provided with an air guide pipe 401, and the air guide pipe 401 is internally provided with three sub-cavities 4012, and the outer side of the sub-cavity 4012 is provided with an air hole 4011, wherein the air guide pipe 401 extends to the inside of the electric heating air bellow 4, the heat conduction sheet 402 is electrically connected with the electric heating air bellow 4 through the metal lead core 4022, the heat conduction sheet 402 can comprehensively heat the activated carbon filter element 102, and at the same time, the cooperation of the air guide pipe 401 blows air into the filter element, helping the filter element to react and regenerate, and then the air guide pipe 401 opens the air extraction function, and the waste gas generated in the regeneration process is extracted through the air hole 4011 on the surface, so as to realize the cyclic regeneration of the filter element.

[0036] Working principle, the waste gas generated in the pesticide production process is transported into the air inlet hopper pipe 2 through the pipeline, and then enters the adsorption box body 1 provided with the activated carbon structure through the air inlet hopper pipe 2, the waste gas contacts the activated carbon filter element 102 through the shunt cavity 1041, and the filtered gas enters the flow cavity 1042, in the process, the outer filter layer 1023 directly contacts the waste gas, and the inner filter layer 1024 contacts the gas filtered through the outer filter layer 1023, so as to further improve the filtering quality, and in the regeneration operation, only the outer filter layer 1023 structure needs to be heated and purged.

[0037] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or equipment.

[0038] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application.

Claims

1. An activated carbon purification treatment device for pesticide production waste gas, characterized in that, The device includes an adsorption box (1), one end of which is provided with an air inlet pipe (2) and the other end of which is provided with an exhaust pipe (3). The air inlet pipe (2) and the exhaust pipe (3) are connected to the adsorption box (1) via flanges. An electric heating box (4) is provided on one side of the adsorption box (1) and is connected to the adsorption box (1) via bolts. The adsorption box (1) is provided with a filter chamber (104) inside, and multiple sets of activated carbon filter elements (102) are provided inside the filter chamber (104). The activated carbon filter element (102) includes a hollow cavity layer (1022) and a support (1025). An outer filter layer (1023) is provided on the outer side of the support (1025), and an inner filter layer (1024) is provided on the inner side of the support (1025). The outer filter layer (1023) and the inner filter layer (1024) are connected to the support (1025) by an adhesive. A groove (1021) is provided on both sides of the outer filter layer (1023) and the inner filter layer (1024). The hollow cavity layer (1022) is provided with a heat-conducting plate (402) inside. One end of the heat-conducting plate (402) is provided with an integrally formed metal core (4022). The inner side of the heat-conducting plate (402) is provided with an arc-shaped support groove (4021). The inside of the arc-shaped support groove (4021) is provided with an air duct (401). The inside of the air duct (401) is provided with three compartments (4012). The outer side of the compartments (4012) is provided with air holes (4011). The air duct (401) extends into the interior of the electric heating box (4). The heat-conducting plate (402) is electrically connected to the electric heating box (4) through the metal core (4022).

2. The activated carbon purification treatment equipment for pesticide production waste gas according to claim 1, characterized in that: Both ends of the activated carbon filter element (102) are provided with windbreak partitions (103), and the windbreak partitions (103) are welded to the adsorption box (1). The inner side of the windbreak partition (103) is provided with a partition groove (1031). The filter chamber (104) includes a diversion chamber (1041) and a confluence chamber (1042), wherein the confluence chamber (1042) is located between the activated carbon filter elements (102).

3. The activated carbon purification treatment equipment for pesticide production waste gas according to claim 2, characterized in that: The inside of the confluence channel (1042) is provided with a flow guide (105), which is connected to the adsorption box (1) by screws. Both sides of the flow guide (105) are provided with baffles (1051), which are rotatably connected to the adsorption box (1).

4. The activated carbon purification treatment equipment for pesticide production waste gas according to claim 3, characterized in that: The activated carbon filter element (102) contacts the diversion channel (1041) through the outer filter layer (1023), and the activated carbon filter element (102) contacts the confluence channel (1042) through the inner filter layer (1024). The diversion channel (1041) is connected to the intake pipe (2), and the confluence channel (1042) is connected to the exhaust pipe (3).

5. The activated carbon purification treatment equipment for pesticide production waste gas according to claim 4, characterized in that: One end of the activated carbon filter element (102) is provided with a drawer plate (101), wherein a retaining shaft (1011) is provided on the inner side of the drawer plate (101), and the retaining shaft (1011) is connected to the drawer plate (101) by screws. The activated carbon filter element (102) is connected to the retaining shaft (1011) by a retaining groove. Both sides of the retaining shaft (1011) are provided with brackets (1012), and the brackets (1012) are attached to the activated carbon filter element (102) through a groove (1021). The drawer plate (101) is slidably connected to the partition slide groove (1031) through the brackets (1012).

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