Forming device and method for honeycomb type catalyst for flue gas denitration and vocs removal

Abstract

The present application discloses a forming device and method for a honeycomb type catalyst for flue gas denitration and VOCs removal. The forming device comprises a fixed bottom plate and adsorption and desorption boxes located above the fixed bottom plate. A combustion furnace is connected to the right end of the adsorption and desorption boxes; a filter sponge is connected to the inner positions of a fixing pipe body and a small circulation pipe in a sleeved manner; the fixing pipe body is connected into an adsorption pipe, and the fixing pipe body is connected to a bolt connection port by means of the movability of a connection pipe; a water storage tank is arranged above the fixing pipe body, a water source is added into the water storage tank, the water source in the water storage tank flows into the small circulation pipe at the lower position, and fine meshes at the inner side of the small circulation pipe enable the water source to drip into the filter sponge slowly. The effect of filtering impurities can be effectively achieved when an adsorption fan is used, and impurity particles in flue gas are filtered out, thereby ensuring the activity and the service life of the honeycomb catalyst, and improving the purification effect of the flue gas.

Description

Flue gas denitrification and VOCs removal honeycomb catalyst molding equipment and molding method

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims priority to the Chinese patent application filed with the China Patent Office on August 15, 2023, with application number 202311023896.0 and invention name “Honeycomb Catalyst Molding Equipment and Molding Method for Flue Gas Denitrification and De-VOCs”, the entire contents of which are incorporated by reference into this application. Technical Field

[0003] The present application belongs to the technical field related to honeycomb catalyst molding equipment for flue gas denitration and VOCs removal, and specifically relates to honeycomb catalyst molding equipment for flue gas denitration and VOCs removal and a molding method thereof. Background Art

[0004] The honeycomb catalyst molding equipment for flue gas denitrification and VOCs removal is a device specially used to produce honeycomb catalysts, which can improve the flue gas purification effect and protect the environment and human health. Honeycomb catalyst is a catalyst with a honeycomb structure and is widely used in the environmental protection field of flue gas denitrification and VOCs volatile organic compound removal. This equipment can make the catalyst raw materials into honeycomb catalysts with specific shapes and pore sizes through specific processes and molding methods to improve the flue gas purification effect.

[0005] When the honeycomb catalyst used for gas denitrification and VOCs removal is in use, the flue gas may contain various impurity particles, such as dust, oil smoke, etc. These impurity particles may be adsorbed onto the surface of the honeycomb catalyst when the adsorption fan is working. After long-term accumulation, these impurity particles may clog the honeycomb pores and affect the activity and service life of the catalyst. Therefore, the market needs a device to solve the current problems.

[0006] Summary of the Invention

[0007] The purpose of the present application is to provide a honeycomb catalyst forming device for flue gas denitration and VOCs removal and a forming method thereof, so as to solve the problem that when the honeycomb catalyst for flue gas denitration and VOCs removal is used, the flue gas may contain various impurity particles, such as dust, oil smoke, etc., and these impurity particles may be adsorbed onto the surface of the honeycomb catalyst when the adsorption fan is working. After long-term accumulation, these impurity particles may clog the honeycomb pores and affect the activity and service life of the catalyst. Therefore, the market needs a device to solve the current problems.

[0008] To achieve the above-mentioned objectives, the present application provides the following technical solutions: a flue gas denitrification and VOCs removal honeycomb catalyst forming device and a forming method thereof, comprising a fixed bottom plate, an adsorption and desorption box located at the upper end of the fixed bottom plate, a combustion furnace connected at the right end of the adsorption and desorption box, an electric control box for controlling the device connected at the front end of the combustion furnace, a main fan provided at the front end of the combustion furnace, the combustion furnace plays a catalytic role through the main fan, an adsorption pipe connected at the upper end of the adsorption and desorption box, an adsorption fan connected at the left end of the adsorption pipe, a primary filter box connected at the lower end of the adsorption fan via a pipe, and an access pipe connected at the inner side of the adsorption pipe;

[0009] The access tube is connected to the adsorption tube by rotation through a bolt access port located at an outer position; a fixed tube body is sleeved at an outer position of the access tube, and the access tube can be moved at an inner position of the fixed tube body; a silicone inner wall is provided at an inner position of the access tube, and a card slot is provided at an inner position of the fixed tube body, the aperture of the card slot changes from wide to narrow, and the access tube can make the silicone inner wall be inserted into the inner position of the card slot during movement to increase the sealing performance; a small circulation tube is provided at an upper end position of the fixed tube body, a water storage tank is provided at an upper end position of the small circulation tube, a small mesh is provided at an inner position of the small circulation tube, a filter sponge is sleeved at an inner position of the small circulation tube, and the filter sponge is sleeved at the inner position of the fixed tube body and the small circulation tube.

[0010] Optionally, water can be stored inside the water storage tank, and the water in the water storage tank flows into the small circulation pipe.

[0011] Optionally, the water source in the fine circulation pipe enters the inner position of the filter sponge through the fine mesh holes, and the fine mesh holes and the fine circulation pipe can reduce the flow rate of the water source.

[0012] Optionally, the interior of the filter sponge is soaked with water, which can play a filtering role when the adsorption fan is adsorbing. The access pipe is easy to install and remove from the adsorption pipe due to its mobility.

[0013] Optionally, the access tube is connected to the adsorption pipe through a bolt access port, and the access tube is connected at the bolt access port by moving so that the inner wall of the silicone is inserted into the internal position of the slot. The inner wall of the silicone gradually fits tightly when entering the internal position of the slot, thereby increasing the sealing.

[0014] Optionally, the adsorption-desorption box uses adsorption materials such as activated carbon and molecular sieves to adsorb harmful gases on the surface, and the adsorption-desorption box uses heating to heat the adsorption materials to a certain temperature during desorption to release the adsorbed harmful gases.

[0015] Optionally, the combustion furnace uses high-temperature combustion to burn organic matter and other impurities so that harmful gases in the flue gas are effectively treated to meet the requirements for catalyst molding.

[0016] Optionally, the adsorption fan uses negative pressure adsorption to adsorb harmful substances in the flue gas onto the catalyst surface during the catalyst forming process. The adsorption fan is used in conjunction with the adsorption and desorption box to purify the flue gas and form the catalyst.

[0017] Optionally, the primary filter box is located at the front end of the forming equipment, and the primary filter box performs preliminary filtration on the flue gas to remove large particles and impurities in the flue gas.

[0018] The honeycomb catalyst forming method for flue gas denitrification and VOCs removal is as follows:

[0019] Step 1: First, the raw flue gas is introduced into the equipment through the access pipe, and the flue gas enters the primary filter box to remove particulate matter and larger pollutants. The primary filter box has a built-in filter material. The filtered flue gas enters the adsorption and desorption box through the adsorption pipe. In the adsorption and desorption box, the VOCs in the flue gas will be adsorbed by the honeycomb catalyst. The active components on the surface of the honeycomb catalyst react with the VOCs to convert the VOCs into harmless substances.

[0020] Step 2: The combustion furnace is responsible for providing the required high temperature environment for the honeycomb catalyst. The high temperature airflow generated by the combustion furnace is transported to the adsorption and desorption box through the adsorption fan. The high temperature airflow contacts the honeycomb catalyst in the adsorption and desorption box, so that the harmless substances produced by the reaction on the catalyst surface are desorbed and discharged with the flue gas. At the same time, the high temperature airflow also helps to maintain the activity of the catalyst. Finally, the main fan discharges the treated flue gas into the atmosphere or further flue gas treatment equipment.

[0021] Compared with the prior art, the present application provides a flue gas denitrification and VOCs removal honeycomb catalyst molding device and molding method thereof, which has the following beneficial effects:

[0022] 1. A fixed pipe body is connected to the adsorption pipe. The fixed pipe body is connected to the bolt access port through the mobility of the access pipe. A water storage tank is provided at the upper end of the fixed pipe body. Water is added to the inside of the water storage tank. The water in the water storage tank flows into the small circulation pipe at the lower position. The fine mesh holes at the inner side of the small circulation pipe allow the water to drip slowly into the filter sponge, so that the filter sponge is soaked with water. When the adsorption fan is used, it can effectively filter impurities and filter out impurity particles in the flue gas, thereby protecting the activity and service life of the honeycomb catalyst and improving the flue gas purification effect.

[0023] 2. When installing the fixed pipe body and the adsorption pipe, first move the access pipe to the inner side of the fixed pipe body, and then connect the mobile access pipe and the adsorption pipe to the access port through the bolt. The inner wall of the silicone in the access pipe is inserted into the inner position of the card groove, and the aperture of the card groove is enlarged and reduced, so that the inner wall of the silicone fits tightly with the card groove, which can increase the sealing effect when the fixed pipe body is connected to the adsorption pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] FIG1 is a schematic structural diagram of the flue gas denitrification and VOCs removal honeycomb catalyst molding equipment and its molding method of the present application.

[0025] FIG2 is a schematic diagram of the fixed tube structure of the flue gas denitration and VOCs removal honeycomb catalyst molding equipment and its molding method of the present application.

[0026] FIG3 is a schematic diagram of the internal structure of the fixed tube body of the flue gas denitration and VOCs removal honeycomb catalyst molding equipment and molding method thereof of the present application.

[0027] FIG4 is a schematic diagram of the structure of the principle of the access pipe movement of the flue gas denitration and VOCs removal honeycomb catalyst molding equipment and molding method thereof of the present application.

[0028] In the figure: 1. Fixed bottom plate; 2. Primary filter box; 3. Adsorption fan; 4. Water storage tank; 5. Access pipe; 6. Adsorption pipe; 7. Adsorption and desorption box; 8. Electric control box; 9. Combustion furnace; 10. Main fan; 11. Fixed pipe body; 12. Small circulation pipe; 13. Bolt access port; 14. Small mesh; 15. Silicone inner wall; 16. Filter sponge; 17. Card slot. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0030] The application provides a flue gas denitrification and VOCs removal honeycomb catalyst molding device and its molding method as shown in Figures 1-4, comprising a fixed base plate 1, an adsorption and desorption box 7 located at the upper end of the fixed base plate 1, a combustion furnace 9 connected to the right end of the adsorption and desorption box 7, an electric control box 8 for controlling the device connected to the front end of the combustion furnace 9, a main fan 10 is provided at the front end of the combustion furnace 9, and the combustion furnace 9 plays a catalytic role through the main fan 10, and an adsorption pipe 6 is connected to the upper end of the adsorption and desorption box 7. The left end of the adsorption pipe 6 is connected to the adsorption fan 3, and the lower end of the adsorption fan 3 is connected to the primary filter box 2 through a pipe. The adsorption pipe 6 is connected to the access pipe 5 at the inner position. The access pipe 5 is connected to the adsorption pipe 6 by rotating through the bolt access port 13 located at the outer position. The outer position of the access pipe 5 is sleeved with a fixed pipe body 11. The access pipe 5 can be moved at the inner position of the fixed pipe body 11. The inner position of the access pipe 5 is provided with a silicone inner wall 15, and the inner position of the fixed pipe body 11 is provided. There is a card slot 17, the aperture of the card slot 17 changes from wide to narrow, and the access tube 5 can make the silicone inner wall 15 be stuck into the internal position of the card slot 17 when it moves, thereby increasing the sealing performance. A small circulation pipe 12 is provided at the upper end position of the fixed tube body 11, and a water storage tank 4 is provided at the upper end position of the small circulation pipe 12. The small circulation pipe 12 is provided with a small mesh 14 at the inner position, and a filter sponge 16 is sleeved at the internal position of the small circulation pipe 12. The filter sponge 16 is sleeved at the internal position of the fixed tube body 11 and the small circulation pipe 12.

[0031] The honeycomb catalyst enters the combustion furnace 9 for sintering. The purpose of sintering is to melt and solidify the active components in the catalyst material to form a certain pore structure and surface activity. The control of sintering temperature and time has an important influence on the performance of the catalyst. The adsorption fan 3 converts harmful substances into harmless substances, thereby achieving the purpose of purifying the flue gas.

[0032] As shown in Figures 2 and 3, water can be stored inside the water tank 4. The water in the water tank 4 flows into the small circulation pipe 12. The water in the small circulation pipe 12 enters the internal position of the filter sponge 16 through the small mesh 14. The small mesh 14 and the small circulation pipe 12 can reduce the flow rate of the water.

[0033] The fixed tube body 11 is connected to the bolt access port 13 through the mobility of the access tube 5. A water tank 4 is provided at the upper end of the fixed tube body 11. Water is added to the inside of the water tank 4. The water in the water tank 4 flows into the small circulation pipe 12 at the lower position. The small mesh 14 at the inner side of the small circulation pipe 12 allows the water to drip slowly into the filter sponge 16, so that the filter sponge 16 is soaked with water. When the adsorption fan 3 is in use, it can effectively filter impurities and filter out impurity particles in the flue gas.

[0034] As shown in Figures 3 and 4, the interior of the filter sponge 16 is soaked with water, which can play a filtering role when the adsorption fan 3 is adsorbing. The access tube 5 is easy to install and disassemble with the adsorption pipe 6 due to its mobility. The access tube 5 is connected to the adsorption pipe 6 through the bolt access port 13. The access tube 5 is connected at the bolt access port 13 and is moved so that the silicone inner wall 15 is inserted into the internal position of the card slot 17. The silicone inner wall 15 gradually fits tightly when entering the internal position of the card slot 17, thereby increasing the sealing performance.

[0035] Move the access tube 5 to the inner side of the fixed tube body 11, and connect the mobile access tube 5 and the adsorption pipe 6 to the access port 13 through the bolt. The silicone inner wall 15 in the access tube 5 is inserted into the inner position of the card groove 17, and the aperture of the card groove 17 is reduced so that the silicone inner wall 15 fits tightly with the card groove 17.

[0036] First, the raw flue gas is introduced into the equipment through the access pipe 5, and the flue gas enters the primary filter box 2 to remove the particulate matter and larger pollutants therein. The primary filter box 2 has a built-in filter material. The filtered flue gas enters the adsorption and desorption box 7 through the adsorption pipe 6. In the adsorption and desorption box 7, the VOCs in the flue gas will be adsorbed by the honeycomb catalyst. The active components on the surface of the honeycomb catalyst react with the VOCs to convert the VOCs into harmless substances. The combustion furnace 9 is responsible for providing the required high temperature environment for the honeycomb catalyst. The high-temperature airflow generated by the combustion furnace 9 is transported to the adsorption and desorption box 7 through the adsorption fan 3. The high-temperature airflow contacts the honeycomb catalyst in the adsorption and desorption box 7, so that the harmless substances produced by the reaction on the catalyst surface are desorbed and discharged with the flue gas. At the same time, the high-temperature airflow also helps to maintain the activity of the catalyst. Finally, the treated flue gas is discharged into the atmosphere or further flue gas treatment equipment by the main fan 10.

[0037] As shown in Figure 1, the adsorption and desorption box 7 uses adsorption materials such as activated carbon and molecular sieves to adsorb harmful gases on the surface. The adsorption and desorption box 7 uses heating to heat the adsorption material to a certain temperature during desorption to release the adsorbed harmful gases. The combustion furnace 9 uses high-temperature combustion to burn organic matter and other impurities so that the harmful gases in the flue gas are effectively treated to meet the requirements for catalyst molding. The adsorption fan 3 uses negative pressure adsorption to adsorb harmful substances in the flue gas onto the catalyst surface during the catalyst molding process. The adsorption fan 3 is used in conjunction with the adsorption and desorption box 7 to purify the flue gas and mold the catalyst. The primary filter box 2 is located at the front end of the molding equipment. The primary filter box 2 performs preliminary filtration on the flue gas to remove large particles and impurities in the flue gas.

[0038] The primary filter box 2 first performs preliminary filtration on the flue gas. The primary filter box 2 uses a high-efficiency filter to filter the flue gas. The adsorption fan 3 adsorbs harmful substances in the flue gas to the surface of the catalyst, thereby achieving flue gas purification.

[0039] Finally, it should be noted that the above is only an optional embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

1. Honeycomb catalyst forming equipment for flue gas denitration and VOCs removal, characterized in that: The invention comprises a fixed bottom plate (1), an adsorption and desorption box (7) located at the upper end of the fixed bottom plate (1), a combustion furnace (9) being connected at the right end of the adsorption and desorption box (7), an electric control box (8) for controlling the device being connected at the front end of the combustion furnace (9), a main fan (10) being arranged at the front end of the combustion furnace (9), the combustion furnace (9) playing a catalytic role through the main fan (10), an adsorption pipe (6) being connected at the upper end of the adsorption and desorption box (7), an adsorption fan (3) being connected at the left end of the adsorption pipe (6), a primary filter box (2) being connected at the lower end of the adsorption fan (3) through a pipe, and an access pipe (5) being connected at the inner side of the adsorption pipe (6); The access pipe (5) is connected to the adsorption pipe (6) by rotating through a bolt access port (13) located at an outer position. A fixed pipe body (11) is sleeved at the outer position of the access pipe (5). The access pipe (5) can move at the inner position of the fixed pipe body (11). A silicone inner wall (15) is provided at the inner position of the access pipe (5). A slot (17) is provided at the inner position of the fixed pipe body (11). The aperture of the slot (17) changes from wide to narrow. When the access pipe (5) moves, the silicone inner wall (15) can be moved. The wall (15) is inserted into the inner position of the slot (17) to increase the sealing performance. A small circulation pipe (12) is arranged at the upper end of the fixed tube body (11). A water storage tank (4) is arranged at the upper end of the small circulation pipe (12). A small mesh (14) is arranged at the inner position of the small circulation pipe (12). A filter sponge (16) is sleeved at the inner position of the small circulation pipe (12). The filter sponge (16) is sleeved at the inner position of the fixed tube body (11) and the small circulation pipe (12).

2. The honeycomb catalyst forming equipment for flue gas denitration and VOCs removal according to claim 1 is characterized in that: The water storage tank (4) can store water inside, and the water in the water storage tank (4) flows into the small circulation pipe (12).

3. The honeycomb catalyst forming equipment for flue gas denitration and VOCs removal according to claim 2 is characterized in that: The water source in the fine circulation pipe (12) enters the inner position of the filter sponge (16) through the fine mesh (14), and the fine mesh (14) and the fine circulation pipe (12) can reduce the flow rate of the water source.

4. The honeycomb catalyst forming equipment for flue gas denitration and VOCs removal according to claim 3 is characterized in that: The interior of the filter sponge (16) is soaked with water and can play a filtering role when the adsorption fan (3) is adsorbing. The access pipe (5) is easy to install and remove with the adsorption pipe (6) due to its mobility.

5. The honeycomb catalyst forming equipment for flue gas denitration and VOCs removal according to claim 4 is characterized in that: The access tube (5) is connected to the adsorption pipe (6) via a bolt access port (13). The access tube (5) is connected to the bolt access port (13) by moving so that the silicone inner wall (15) is inserted into the internal position of the card slot (17). The silicone inner wall (15) gradually fits tightly into the internal position of the card slot (17) to increase the sealing performance.

6. The honeycomb catalyst forming equipment for flue gas denitration and VOCs removal according to claim 1, characterized in that: The adsorption-desorption box (7) uses adsorption materials such as activated carbon and molecular sieve to adsorb harmful gases on the surface. During desorption, the adsorption-desorption box (7) uses a heating method to heat the adsorption material to a certain temperature to release the adsorbed harmful gases.

7. The honeycomb catalyst forming equipment for flue gas denitration and VOCs removal according to claim 1, characterized in that: The combustion furnace (9) uses high-temperature combustion to burn off organic matter and other impurities, so that harmful gases in the flue gas are effectively treated, thereby meeting the requirements for catalyst molding.

8. The honeycomb catalyst forming equipment for flue gas denitration and VOCs removal according to claim 1, characterized in that: The adsorption fan (3) uses negative pressure adsorption to adsorb harmful substances in the flue gas onto the surface of the catalyst during the catalyst forming process. The adsorption fan (3) is used in conjunction with the adsorption and desorption box (7) to purify the flue gas and form the catalyst.

9. The honeycomb catalyst forming equipment for flue gas denitration and VOCs removal according to claim 1, characterized in that: The primary filter box (2) is located at the front end of the forming equipment, and the primary filter box (2) performs preliminary filtration on the flue gas. The primary filter box (2) removes large particles and impurities in the flue gas.

10. A honeycomb catalyst forming method for flue gas denitration and VOCs removal, characterized in that: The steps are as follows: Step 1: First, the raw flue gas is introduced into the equipment through the access pipe, and the flue gas enters the primary filter box to remove the particulate matter and larger pollutants. The primary filter box has a built-in filter material. The filtered flue gas enters the adsorption and desorption box through the adsorption pipe. In the adsorption and desorption box, the VOCs in the flue gas will be honeycombed. Catalyst adsorption: the active ingredients on the surface of the honeycomb catalyst react with VOCs to convert VOCs into harmless substances; Step 2: The combustion furnace is responsible for providing the required high temperature environment for the honeycomb catalyst. The high temperature airflow generated by the combustion furnace is transported to the adsorption and desorption box through the adsorption fan. The high temperature airflow contacts the honeycomb catalyst in the adsorption and desorption box, so that the harmless substances produced by the reaction on the catalyst surface are desorbed and discharged with the flue gas. At the same time, the high temperature airflow also helps to maintain the activity of the catalyst. Finally, the main fan discharges the treated flue gas into the atmosphere or further flue gas treatment equipment.

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