A waste gas purification device for the production of methyl ethyl ketone peroxide

Abstract

The utility model relates to the technical field of methyl ethyl ketone peroxide production, in particular to a methyl ethyl ketone peroxide production waste gas purification device, which can fully mix an aqueous solution with the tail gas of the device, so that potassium peroxide ethyl ketone gas and water are fully dissolved, thereby ensuring the treatment effect of potassium peroxide ethyl ketone gas; comprising a treatment box, a gas transmission machine is installed on the upper part of the left side wall of the treatment box, the output end of the gas transmission machine is communicated with the inside of the treatment box, legs are fixedly installed at the four corners of the bottom of the treatment box, a carbon dioxide pump is installed on the lower part of the left side wall of the treatment box, the output end of the carbon dioxide pump is communicated with the lower end of the inside of the treatment box, a water delivery pump is installed on the upper part of the front end of the treatment box, the output end of the water delivery pump is connected to a water inlet pipe, the output end of the water inlet pipe is communicated with the inside of the treatment box, a sand filter plate is installed on the bottom end of the inside of the treatment box, a cleaning port is arranged at the front end of the treatment box at a position corresponding to the sand filter plate, and a cleaning door is sealed and installed at the cleaning port.

Description

Technical Field

[0001] The utility model relates to the technical field of methyl ethyl ketone peroxide production, in particular to a methyl ethyl ketone peroxide production waste gas purification device. Background Art

[0002] Potassium ethyl ketone peroxide belongs to ketone peroxide, and its appearance is soft white powder or hard block without discoloration. It is mainly used as room temperature curing agent of unsaturated polyester resin, initiator of organic synthesis, bleaching agent and bactericide. The raw materials for the production of methyl ethyl ketone peroxide are mainly 50% hydrogen peroxide, butanone, dimethyl phthalate, diethylene glycol, sulfuric acid, sodium sulfate, etc. It can be seen from the characteristics of the raw materials used that butanone is a very volatile substance. In the production process, a large amount of butanone will volatilize and a small amount of salt powder, sulfuric acid, etc. will enter the tail gas system. When producing methyl ethyl ketone peroxide, the tail gas needs to be recovered and treated. A gas treatment device for potassium peroxide acetone production proposed by prior art publication number CN213790902U includes a treatment box and a baffle plate, a blower fan is installed at the upper end of the treatment box, and a carbon dioxide pump is installed on one side of the blower fan, and ventilation pipes are connected to the left and right sides of the carbon dioxide pump, a water pipe is provided on one side of the treatment box, and a water pump is installed on one side of the water pipe, an exhaust port is provided on the other side of the treatment box, and a filter plate is installed on one side of the exhaust port, a cleaning port is provided below the exhaust port, a driving motor is installed at the lower end of the treatment box, and a baffle plate is provided above the driving motor, and a rotating body is installed at the upper end of the baffle plate. However, the added aqueous solution is not fully mixed with the tail gas of the device, which easily causes the tail gas to be not removed cleanly. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a methyl ethyl ketone peroxide production waste gas purification device which can fully mix the aqueous solution with the tail gas of the device, so that the potassium peroxide ethyl ketone gas and water are fully dissolved, thereby ensuring the treatment effect of the potassium peroxide ethyl ketone gas.

[0004] The utility model discloses a methyl ethyl ketone peroxide production waste gas purification device, comprising a treatment box, a gas conveyor is installed on the upper part of the left side wall of the treatment box, the output end of the gas conveyor is connected with the interior of the treatment box, legs are fixedly installed at the four corners of the bottom of the treatment box, a carbon dioxide pump is installed on the lower part of the left side wall of the treatment box, the output end of the carbon dioxide pump is connected with the lower end of the interior of the treatment box, a water delivery pump is installed on the upper front end of the treatment box, the output end of the water delivery pump is connected with a water inlet pipe, the output end of the water inlet pipe is connected with the interior of the treatment box, a sand filter plate is installed on the bottom end of the interior of the treatment box, a cleaning port is arranged at the front end of the treatment box corresponding to the sand filter plate, a cleaning door is sealed and installed at the cleaning port, and the treatment box is provided with a cleaning port. A circulating spraying assembly is installed on the rear end side wall of the processing box, and an adsorption assembly is arranged on the upper part of the right side wall of the processing box; the gas is sent into the processing box through the gas conveyor, the water conveying pump inputs water into the processing box, the carbon dioxide pump is started to input carbon dioxide into the water in the processing box, and the potassium peroxide ethyl ketone gas sent into the processing box is fully integrated with the water. Both carbon dioxide and water contain hydroxyl group -OH, which can reduce the activity of potassium peroxide ethyl ketone gas and ensure the safety during the production of potassium peroxide ethyl ketone. Water is sprayed to the upper part of the processing box through the circulating spraying assembly to fully integrate the potassium peroxide ethyl ketone gas and water, and then the gas is discharged from the processing box through the adsorption assembly to ensure the treatment effect of the waste gas produced by methyl ethyl ketone peroxide.

[0005] Preferably, a plurality of partitions are evenly installed inside the treatment box to divide the interior of the treatment box into a plurality of chambers, and a plurality of connecting pipes are installed on the upper ends of the partitions, the input ends of the connecting pipes are located at the upper part of the left side wall of the partitions, and the output ends of the connecting pipes are located at the lower part of the chambers; the potassium peroxide acetonide gas input into the treatment box flows between the plurality of chambers through the connecting pipes, thereby increasing the residence time of the potassium peroxide acetonide gas inside the treatment box, ensuring the treatment effect of the potassium peroxide acetonide gas, and improving the adequacy of mixing of the aqueous solution and the tail gas of the device.

[0006] Preferably, the output end of the gas transmission machine is input into the left chamber of the treatment box and is connected to an air intake main pipe, the bottom of the air intake main pipe is connected to multiple air intake vertical pipes, and the output ends of the air intake vertical pipes extend into the lower part of the chamber; the gas is sent into the air intake main pipe through the gas transmission machine, and is input into the water in the lower part of the chamber through the air intake vertical pipes, so that the potassium peroxide acetone gas sent into the treatment box is fully integrated with the water to ensure the treatment effect.

[0007] Preferably, the output end of the carbon dioxide pump is connected to a distribution pipe, the output end of the distribution pipe is connected to a plurality of output transverse pipes, the output transverse pipe passes through the partition and is located at the lower part of the chamber, and the upper part of the output transverse pipe is evenly connected to a plurality of gas supply heads; the carbon dioxide output by the carbon dioxide pump is input into the output transverse pipe through the distribution pipe, and is input into the water in the chamber through the gas supply head, and the potassium peroxide acetonitrile gas is treated with water, thereby ensuring the safety of potassium peroxide acetonitrile production.

[0008] Preferably, the circulation component includes a water suction pipe, multiple water suction branch pipes, a water delivery pipe, a circulation pump, a shunt pipe and multiple ejection pipes. The multiple water suction branch pipes are respectively fixedly installed on the lower part of the rear side wall of the treatment box, the input end of the water suction branch pipe is connected to the interior of the chamber, the output end of the water suction branch pipe is connected to the water suction pipe, the output end of the water suction pipe is connected to the water delivery pipe, a circulation pump is installed on the water delivery pipe, the output end of the circulation pump is connected to the shunt pipe, multiple ejection pipes are connected to the shunt pipe, the ejection pipe passes through the rear side wall of the treatment box and is located in the middle of the chamber, and an atomizing nozzle is arranged on the ejection pipe; the circulation pump is started to extract the lower liquid through the water suction branch pipe and the water suction pipe, and then input it into the shunt pipe, and ejected to the interior of the chamber through the ejection pipe, so that the potassium peroxide acetone gas and water are fully integrated to improve the treatment effect.

[0009] Preferably, the adsorption assembly includes a filter frame, a discharge pipe, a cover plate, a sealing block and an activated carbon adsorption block. The filter frame is fixedly mounted on the upper end of the right inner wall of the treatment box, a discharge pipe is installed at a position corresponding to the filter frame on the upper part of the right wall of the treatment box, a mounting port is opened at a position corresponding to the filter frame on the top of the treatment box, a sealing block is installed at the bottom of the cover plate, an activated carbon adsorption block is installed at the bottom of the sealing block, the activated carbon adsorption block is located inside the filter frame, and the cover plate drives the sealing block sealing cover to be installed at the mounting port; the treated potassium peroxide ethyl ketone gas is adsorbed and filtered by the activated carbon adsorption block to ensure the treatment effect of methyl ethyl ketone peroxide production waste gas, and potassium peroxide ethyl ketone produces a certain amount of oxygen, which is discharged from the discharge pipe.

[0010] Compared with the prior art, the utility model has the following beneficial effects: gas is sent into the treatment box through a gas conveyor, water is input into the treatment box through a water conveying pump, carbon dioxide is input into the water in the treatment box through a carbon dioxide pump, and the potassium peroxide ethyl ketone gas sent into the treatment box is fully integrated with water. Both carbon dioxide and water contain hydroxyl group -OH, which can reduce the activity of potassium peroxide ethyl ketone gas and ensure the safety during the production of potassium peroxide ethyl ketone. Water is sprayed toward the upper part of the treatment box through a circulating spraying component to fully integrate the potassium peroxide ethyl ketone gas and water, and then the gas is discharged from the treatment box through an adsorption component to ensure the treatment effect of waste gas from the production of methyl ethyl ketone peroxide. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is a schematic diagram of the axonometric structure of the utility model;

[0013] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0014] Figure 4 It is a partial cross-sectional structural schematic diagram of the utility model;

[0015] Figure 5It is a front cross-sectional structural schematic diagram of the utility model;

[0016] Figure 6 It is a right side cross-sectional structural schematic diagram of the utility model;

[0017] Markings in the attached figure: 1. treatment box; 2. gas transmission machine; 3. carbon dioxide pump; 4. water pump; 5. sand filter plate; 6. cleaning door; 7. partition; 8. connecting pipe; 9. air intake main pipe; 10. air intake vertical pipe; 11. distribution pipe; 12. output horizontal pipe; 13. gas transmission head; 14. water extraction pipe; 15. water extraction branch pipe; 16. water transmission pipe; 17. circulation pump; 18. diversion pipe; 19. ejection pipe; 20. water inlet pipe; 21. filter frame; 22. discharge pipe; 23. cover plate; 24. sealing block; 25. activated carbon adsorption block; 26. support leg. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0019] Example 1

[0020] like Figure 1 , Figure 2 , Figure 3 and Figure 5As shown, a gas conveyor 2 is installed on the upper part of the left side wall of the processing box 1, and the output end of the gas conveyor 2 is connected to the interior of the processing box 1. Support legs 26 are fixedly installed at the four corners of the bottom of the processing box 1. A carbon dioxide pump 3 is installed on the lower part of the left side wall of the processing box 1, and the output end of the carbon dioxide pump 3 is connected to the lower end of the interior of the processing box 1. A water delivery pump 4 is installed on the upper front end of the processing box 1, and the output end of the water delivery pump 4 is connected to a water inlet pipe 20, and the output end of the water inlet pipe 20 is connected to the interior of the processing box 1. A sand filter plate 5 is installed at the bottom end of the interior of the processing box 1, and a cleaning port is provided at the front end of the processing box 1 at a position corresponding to the sand filter plate 5, and a cleaning door 6 is sealed and installed at the cleaning port. A plurality of partitions 7 are evenly installed inside the processing box 1 to divide the interior of the processing box 1 into a plurality of chambers, and the upper ends of the partitions 7 are each installed with A plurality of connecting pipes 8, the input end of the connecting pipe 8 is located at the upper part of the left side wall of the partition 7, the output end of the connecting pipe 8 is located at the lower part of the chamber, the output end of the gas transmission machine 2 is input into the left side chamber of the processing box 1 and is connected to the air intake main pipe 9, the bottom of the air intake main pipe 9 is connected to a plurality of air intake vertical pipes 10, the output end of the air intake vertical pipe 10 extends into the lower part of the chamber, the filter frame 21 is fixedly installed at the upper end of the right inner wall of the processing box 1, the upper part of the right side wall of the processing box 1 is installed at a position corresponding to the filter frame 21, the top of the processing box 1 is provided with an installation opening at a position corresponding to the filter frame 21, the bottom of the cover plate 23 is installed with a sealing block 24, the bottom of the sealing block 24 is installed with an activated carbon adsorption block 25, the activated carbon adsorption block 25 is located inside the filter frame 21, and the cover plate 23 drives the sealing block 24 to be installed at the installation opening;

[0021] The water delivery pump 4 inputs water into the treatment box 1, and the potassium peroxide ethyl ketone gas input into the treatment box 1 flows between multiple chambers through the connecting pipe 8, thereby increasing the retention time of the potassium peroxide ethyl ketone gas in the treatment box 1, ensuring the treatment effect of the potassium peroxide ethyl ketone gas, and improving the sufficiency of mixing the aqueous solution with the tail gas of the device. The gas is sent to the air intake main pipe 9 through the air delivery machine 2, and is input into the water at the lower part of the chamber through the air intake vertical pipe 10, so that the potassium peroxide ethyl ketone gas sent into the treatment box 1 is fully integrated with the water to ensure the treatment effect. The treated potassium peroxide ethyl ketone gas passes through the activated carbon adsorption block 25 to adsorb and filter the gas to ensure the treatment effect of the methyl ethyl ketone peroxide production waste gas. Potassium peroxide ethyl ketone produces a certain amount of oxygen, which is discharged from the discharge pipe 22.

[0022] Example 2

[0023] like Figures 4 to 6As shown, on the basis of Example 1, the output end of the carbon dioxide pump 3 is also connected to a distribution pipe 11, the output end of the distribution pipe 11 is connected to a plurality of output transverse pipes 12, the output transverse pipe 12 passes through the partition 7 and is located at the lower part of the chamber, the upper part of the output transverse pipe 12 is evenly connected to a plurality of gas delivery heads 13, a plurality of water extraction branch pipes 15 are respectively fixedly installed at the lower part of the rear side wall of the processing box 1, the input end of the water extraction branch pipe 15 is communicated with the interior of the chamber, the output end of the water extraction branch pipe 15 is connected to the water extraction pipe 14, the output end of the water extraction pipe 14 is connected to a water delivery pipe 16, a circulating pump 17 is installed on the water delivery pipe 16, the output end of the circulating pump 17 is connected to a shunt pipe 18, a plurality of ejection pipes 19 are connected to the shunt pipe 18, the ejection pipe 19 passes through the rear side wall of the processing box 1 and is located in the middle of the chamber, and an atomizing nozzle is provided on the ejection pipe 19;

[0024] The carbon dioxide output by the carbon dioxide pump 3 is input into the output transverse pipe 12 through the distribution pipe 11, and then input into the water in the chamber through the gas delivery head 13. The potassium peroxide acetone gas is treated with water to ensure the safety of potassium peroxide acetone production. The circulation pump 17 is started to extract the lower liquid through the water extraction branch pipe 15 and the water extraction pipe 14, and then input into the shunt pipe 18, and then ejected into the chamber through the ejection pipe 19, so that the potassium peroxide acetone gas and the water are fully integrated to improve the treatment effect.

[0025] like Figures 1 to 6 As shown, the utility model is a methyl ethyl ketone peroxide production waste gas purification device. When it is working, the water delivery pump 4 inputs water into the treatment box 1, the carbon dioxide output by the carbon dioxide pump 3 is input into the output cross pipe 12 through the distribution pipe 11, and is input into the water in the chamber through the gas delivery head 13, and the potassium peroxide ethyl ketone gas is processed with water, and the gas is sent to the air intake main pipe 9 through the gas delivery machine 2, and is input into the water in the lower part of the chamber through the air intake vertical pipe 10, and the circulation pump 17 is started to extract the lower liquid through the water extraction branch pipe 15 and the water extraction pipe 14, and then input into the shunt pipe 18, and is discharged to the outlet pipe 19. The chamber is sprayed out, so that the potassium peroxide ethyl ketone gas sent into the treatment box 1 is fully integrated with the water. The potassium peroxide ethyl ketone gas input into the treatment box 1 flows between multiple chambers through the connecting pipe 8, thereby increasing the residence time of the potassium peroxide ethyl ketone gas inside the treatment box 1. The treated potassium peroxide ethyl ketone gas is adsorbed and filtered by the activated carbon adsorption block 25 to ensure the treatment effect of the methyl ethyl ketone peroxide production waste gas. Potassium peroxide ethyl ketone produces a certain amount of oxygen, which is discharged from the discharge pipe 22. When the device is overhauled and cleaned, the cleaning door 6 can be removed to open the cleaning port to clean the sand filter plate 5 and water.

[0026] The gas conveyor 2, carbon dioxide pump 3, water conveying pump 4 and circulating pump 17 of the waste gas purification device for methyl ethyl ketone peroxide production of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for technicians in this field to make creative efforts.

[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A methyl ethyl ketone peroxide production waste gas purification device, characterized in that: The invention comprises a treatment box (1), wherein an air conveyor (2) is installed on the upper part of the left side wall of the treatment box (1), the output end of the air conveyor (2) is connected to the inside of the treatment box (1), legs (26) are fixedly installed at the four corners of the bottom of the treatment box (1), a carbon dioxide pump (3) is installed on the lower part of the left side wall of the treatment box (1), the output end of the carbon dioxide pump (3) is connected to the lower end of the inside of the treatment box (1), a water pump (4) is installed on the upper part of the front end of the treatment box (1), the output end of the water pump (4) is connected to a water inlet pipe (20), the output end of the water inlet pipe (20) is connected to the inside of the treatment box (1), a sand filter plate (5) is installed on the bottom end of the inside of the treatment box (1), a cleaning port is provided at the front end of the treatment box (1) at a position corresponding to the sand filter plate (5), a cleaning door (6) is sealed and installed at the cleaning port, a circulating spraying assembly is installed on the rear end side wall of the treatment box (1), and an adsorption assembly is provided on the upper part of the right side wall of the treatment box (1).

2. A methyl ethyl ketone peroxide production waste gas purification device as claimed in claim 1, characterized in that: A plurality of partitions (7) are evenly installed inside the processing box (1), dividing the interior of the processing box (1) into a plurality of chambers, and a plurality of connecting pipes (8) are installed at the upper ends of the partitions (7), the input ends of the connecting pipes (8) are located at the upper part of the left side wall of the partitions (7), and the output ends of the connecting pipes (8) are located at the lower part of the chamber.

3. A methyl ethyl ketone peroxide production waste gas purification device as claimed in claim 2, characterized in that: The output end of the gas conveyor (2) is input into the left chamber of the processing box (1) and is connected to an air intake main pipe (9). The bottom of the air intake main pipe (9) is connected to a plurality of air intake vertical pipes (10), and the output end of the air intake vertical pipe (10) extends into the lower part of the chamber.

4. A methyl ethyl ketone peroxide production waste gas purification device as claimed in claim 2, characterized in that: The output end of the carbon dioxide pump (3) is connected to a distribution pipe (11), and the output end of the distribution pipe (11) is connected to a plurality of output transverse pipes (12). The output transverse pipes (12) penetrate the partition (7) and are located at the lower part of the chamber, and the upper part of the output transverse pipes (12) is evenly connected to a plurality of gas delivery heads (13).

5. A methyl ethyl ketone peroxide production waste gas purification device as claimed in claim 2, characterized in that: The circulation component comprises a water extraction pipe (14), a plurality of water extraction branch pipes (15), a water delivery pipe (16), a circulation pump (17), a flow diversion pipe (18) and a plurality of ejection pipes (19). The plurality of water extraction branch pipes (15) are respectively fixedly mounted on the lower part of the rear side wall of the treatment box (1). The input end of the water extraction branch pipe (15) is communicated with the interior of the chamber. The output end of the water extraction branch pipe (15) is connected to the water extraction pipe (14). The output end of the water extraction pipe (14) is connected to the water delivery pipe (16). The circulation pump (17) is mounted on the water delivery pipe (16). The output end of the circulation pump (17) is connected to the flow diversion pipe (18). The flow diversion pipe (18) is connected to a plurality of ejection pipes (19). The ejection pipes (19) pass through the rear side wall of the treatment box (1) and are located in the middle of the chamber. The ejection pipes (19) are provided with atomizing nozzles.

6. A methyl ethyl ketone peroxide production waste gas purification device as claimed in claim 1, characterized in that: The adsorption assembly comprises a filter frame (21), a discharge pipe (22), a cover plate (23), a sealing block (24) and an activated carbon adsorption block (25); the filter frame (21) is fixedly mounted on the upper end of the right inner wall of the treatment box (1); the discharge pipe (22) is mounted on the upper part of the right wall of the treatment box (1) at a position corresponding to the filter frame (21); a mounting opening is provided at the top of the treatment box (1) at a position corresponding to the filter frame (21); a sealing block (24) is mounted on the bottom of the cover plate (23); an activated carbon adsorption block (25) is mounted on the bottom of the sealing block (24); the activated carbon adsorption block (25) is located inside the filter frame (21); and the cover plate (23) drives the sealing block (24) to be mounted at the mounting opening.

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