Improved treatment device for isooctyl thioglycolate synthesis waste gas

Abstract

The utility model provides an improved treatment device for isooctyl thioglycolate synthesis waste gas, which comprises a base, a buffer tank, a treatment tank, a first alkali neutralization layer, a first catalytic treatment unit, a spray pipe, a heatable guide adsorption purification tank structure and a humidifiable multiple purification box structure, and the buffer tank is arranged on the left side of the upper end of the base; the treatment tank is fixed on the right side of the upper end of the base; a first alkali neutralization layer is arranged at the bottom of the inner wall of the treatment tank; a first catalytic treatment unit is arranged in the middle of the lower part of the inner wall of the treatment tank. Through the arrangement of the heating box, the sealing cover, the heating pipe, the guiding and conveying tank, a second alkali neutralization layer, a shielding cover, sieve plates and a second catalytic treatment unit, gas enters the guiding and conveying tank in the using process, and then adsorption treatment work is carried out through an activated carbon adsorption net arranged between the sieve plates; and the adsorption cleaning work can be conveniently carried out in the treatment process.

Description

Technical Field

[0001] The utility model belongs to the technical field of environmental protection equipment, and particularly relates to an improved treatment device for waste gas generated in the synthesis of isooctyl thioglycolate. Background Technique

[0002] Isooctyl thioglycolate is an important chemical intermediate product. Under the general trend of the development of the current chemical industry, its importance as an intermediate product is becoming more and more prominent. In the preparation process of isooctyl thioglycolate, monochloroacetic acid and isooctyl alcohol are used to generate isooctyl chloroacetate through a catalytic reaction, then react with sodium thiosulfate to generate Bunte salt, and then acidify with 80% sulfuric acid, hydrolyze, reduce with zinc powder, and then rectify to obtain isooctyl thioglycolate. In the whole preparation process, due to the extensive use of acid solutions in the reaction, acidic waste gas is extremely likely to be generated, and waste gas treatment devices are required. The existing waste gas treatment devices for the synthesis of isooctyl thioglycolate cannot perform adsorption purification during filtration and cannot perform multiple humidification purifications during use. Content of the Utility Model

[0003] In order to solve the above technical problems, the utility model provides an improved treatment device for waste gas generated in the synthesis of isooctyl thioglycolate. During use, the treatment mechanism is improved to facilitate adsorption purification during the treatment process, and the humidification purification mechanism is improved during use to facilitate purification and humidification during the treatment process.

[0004] An improved treatment device for waste gas generated in the synthesis of isooctyl thioglycolate includes a base. A buffer tank is arranged on the left side of the upper end of the base; a treatment tank is fixed on the right side of the upper end of the base; a first alkali neutralization layer is arranged at the bottom of the inner wall of the treatment tank; a first catalytic treatment unit is arranged at the middle position of the lower part of the inner wall of the treatment tank; a spray pipe is arranged at the top of the interior of the treatment tank. It is characterized in that a heatable conveying and adsorption purification tank structure is arranged at the middle position of the upper end of the base; a humidifiable multiple purification box structure is arranged at the upper part of the inner wall of the treatment tank.

[0005] Preferably, the heatable conveying and adsorption purification tank structure includes a heating box. A sealing cover is bolted and fixed to the right end of the heating box; heating pipes are sequentially fixed from top to bottom on the left side of the sealing cover; a conveying tank is bolted and fixed at the middle position of the upper end of the heating box; a second alkali neutralization layer is arranged at the lower part of the inner wall of the conveying tank; a shielding cover is bolted and fixed at the middle position of the right side of the conveying tank; sieve plates are sequentially fixed from top to bottom on the left side of the shielding cover; a second catalytic treatment unit is fixed at the upper part of the inner wall of the conveying tank.

[0006] Preferably, the structure of the humidifiable multi-purification box includes a humidification box, and a delivery pipe penetrates through the middle position at the bottom end of the humidification box; the bottom end of the delivery pipe is bolted and fixed to the middle position at the upper end of the collection hopper; the upper parts on the left and right sides of the delivery pipe are respectively threadedly connected with air outlet pipes; the left and right sides at the front of the upper end of the humidification box and the left and right sides at the rear of the upper end are respectively bolted and fixed with support rods; the upper ends of the support rods are respectively bolted and fixed to the bottom end of the delivery hopper; a water outlet pipe is threadedly connected to the middle position at the bottom end of the delivery hopper.

[0007] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0008] 1. In the present utility model, the settings of the heating box, the sealing cover, the heating pipe, the delivery tank, the second alkali neutralization layer, the shielding cover, the sieve plate and the second catalytic treatment unit are beneficial to the adsorption treatment work through the activated carbon adsorption net arranged between the sieve plates after the gas enters the interior of the delivery tank during use, and it is convenient to carry out the adsorption cleaning work during the treatment process.

[0009] 2. In the present utility model, the settings of the treatment tank, the humidification box, the delivery pipe, the collection hopper, the air outlet pipe, the support rod, the delivery hopper and the water outlet pipe cooperating with each other are beneficial to the purpose of secondary humidification and purification of the gas after the gas passes through the interior of the humidification box in sequence and then passes through the spray pipe for atomizing spraying during use. Description of the Drawings

[0010] Figure 1 is the structural schematic diagram of the present utility model.

[0011] Figure 2 is the structural schematic diagram of the heatable delivery adsorption purification tank structure of the present utility model.

[0012] Figure 3 is the structural schematic diagram of the humidifiable multi-purification box structure of the present utility model.

[0013] In the figure:

[0014] 1. Base; 2. Buffer tank; 3. Treatment tank; 4. First alkali neutralization layer; 5. First catalytic treatment unit; 6. Spray pipe; 7. Heatable delivery adsorption purification tank structure; 71. Heating box; 72. Sealing cover; 73. Heating pipe; 74. Delivery tank; 75. Second alkali neutralization layer; 76. Shielding cover; 77. Sieve plate; 78. Second catalytic treatment unit; 8. Humidifiable multi-purification box structure; 81. Humidification box; 82. Delivery pipe; 83. Collection hopper; 84. Air outlet pipe; 85. Support rod; 86. Delivery hopper; 87. Water outlet pipe. Detailed Embodiments

[0015] The present utility model will be specifically described below in conjunction with the accompanying drawings. As shown in the accompanying Figure 1 drawing and the accompanying Figure 2 drawing, an improved treatment device for the synthetic waste gas of isooctyl mercaptoacetate includes a base 1, a buffer tank 2, a treatment tank 3, a first alkali neutralization layer 4, a first catalytic treatment unit 5, a spray pipe 6, a heatable conveying adsorption purification tank structure 7, and a humidifiable multiple purification box structure 8. A buffer tank 2 is arranged on the left side of the upper end of the base 1; a treatment tank 3 is fixed on the right side of the upper end of the base 1; a first alkali neutralization layer 4 is arranged at the bottom of the inner wall of the treatment tank 3; a first catalytic treatment unit 5 is arranged at the middle position of the lower part of the inner wall of the treatment tank 3; a spray pipe 6 is arranged at the top end of the inside of the treatment tank 3; a heatable conveying adsorption purification tank structure 7 is arranged at the middle position of the upper end of the base 1; a humidifiable multiple purification box structure 8 is arranged at the upper part of the inner wall of the treatment tank 3; the heatable conveying adsorption purification tank structure 7 includes a heating box 71, a sealing cover 72, a heating pipe 73, a conveying tank 74, a second alkali neutralization layer 75, a shielding cover 76, a sieve plate 77, and a second catalytic treatment unit 78. A sealing cover 72 is bolted and fixed to the right end of the heating box 71; heating pipes 73 are successively fixed from top to bottom on the left side of the sealing cover 72; a conveying tank 74 is bolted and fixed to the middle position of the upper end of the heating box 71; a second alkali neutralization layer 75 is arranged at the lower part of the inner wall of the conveying tank 74; a shielding cover 76 is bolted and fixed to the middle position of the right side of the conveying tank 74; sieve plates 77 are successively fixed from top to bottom on the left side of the shielding cover 76; a second catalytic treatment unit 78 is fixed to the upper part of the inner wall of the conveying tank 74. When in use, after the base 1 is fixed at a suitable position, an external wire is used to connect to an external power supply and an external control device, and then the gas enters the inside of the heating box 71 through a pipeline. The waste gas is heated by the heat generated during the operation of the heating pipe 73, and after heating, the waste gas enters the inside of the conveying tank 74, is treated by the second alkali neutralization layer 75, and the waste gas adsorption treatment work is carried out through the activated carbon adsorption layer arranged between the sieve plates 77, and then the waste gas is treated by the second catalytic treatment unit 78.

[0016] In this embodiment, in conjunction with the accompanying Figure 3As shown in the figure, the humidifiable multi-purification box structure 8 includes a humidification box 81, a delivery pipe 82, a collection hopper 83, an outlet pipe 84, a support rod 85, a delivery hopper 86, and a water outlet pipe 87. A delivery pipe 82 penetrates through the middle position at the bottom end of the humidification box 81; the bottom end of the delivery pipe 82 is bolted and fixed to the middle position at the upper end of the collection hopper 83; the upper parts on the left and right sides of the delivery pipe 82 are respectively threadedly connected with outlet pipes 84; support rods 85 are bolted and fixed to the left and right sides in front of the upper end and the left and right sides behind the upper end of the humidification box 81 respectively; the upper ends of the support rods 85 are respectively bolted and fixed to the bottom end of the delivery hopper 86; a water outlet pipe 87 is threadedly connected to the middle position at the bottom end of the delivery hopper 86; after the waste gas is treated, then a pipeline is used to convey the gas to the inside of the treatment tank 3. After being treated by the first alkali neutralization layer 4 and the first catalytic treatment unit 5, the gas passes through the collection hopper 83, the delivery pipe 82, and the outlet pipe 84, and the gas is humidified and purified by the water filled in the humidification box 81. After humidification and purification, it is atomized and sprayed through the nozzles arranged at the bottom end of the spray pipe 6 to perform secondary purification and humidification work on the gas, thereby completing the waste gas treatment work.

[0017] In this embodiment, specifically, the first alkali neutralization layer 4 is arranged below the first catalytic treatment unit 5; atomizing nozzles are sequentially threadedly connected to the bottom end of the spray pipe 6 from left to right.

[0018] In this embodiment, specifically, an activated carbon adsorption layer is fixed between the sieve plates 77; the heating box 71 and the delivery tank 74 are connected in communication; a sealing ring is arranged at the connection between the heating box 71 and the sealing cover 72.

[0019] In this embodiment, specifically, the heating box 71 is bolted and fixed to the middle position at the upper end of the base 1; the upper middle position of the buffer tank 2 is connected to the middle position at the lower left side of the heating box 71 through a pipeline; the upper end of the delivery tank 74 is connected to the lower left side of the treatment tank 3 through a pipeline.

[0020] In this embodiment, specifically, the outlet pipes 84 are respectively arranged on the left and right sides inside the humidification box 81; the delivery hopper 86 is arranged above the humidification box 81; the water outlet pipe 87 is an L-shaped stainless steel pipe; a sealing ring is arranged at the connection between the humidification box 81 and the delivery pipe 82.

[0021] In this embodiment, specifically, the humidification box 81 is bolted and fixed to the upper middle position on the inner wall of the treatment tank 3; the right end of the water outlet pipe 87 penetrates through the right side of the treatment tank 3; the delivery hopper 86 is arranged at the middle position at the bottom end of the spray pipe 6 and is arranged below the nozzles arranged at the bottom end of the spray pipe 6.

[0022] Working principle

[0023] In the present utility model, during use, after fixing the base 1 in a suitable position, an external power source and an external control device are connected using an external wire. Then, gas enters the interior of the heating tank 71 through a pipeline. The waste gas is heated by the heat generated during the operation of the heating pipe 73. After heating, the waste gas enters the interior of the delivery tank 74, is treated by the second alkali neutralization layer 75, and undergoes waste gas adsorption treatment by the activated carbon adsorption layer provided between the sieve plates 77. The waste gas is then treated by the second catalytic treatment unit 78. After the waste gas is treated, the pipeline conveys the gas to the interior of the treatment tank 3. After being treated by the first alkali neutralization layer 4 and the first catalytic treatment unit 5, the gas passes through the collection hopper 83, the delivery pipe 82, and the outlet pipe 84. The gas undergoes humidification and purification by the water filled in the humidification tank 81. After humidification and purification, atomized spraying is performed by the spray heads provided at the bottom of the spray pipe 6, and secondary purification and humidification of the gas are carried out, thus completing the waste gas treatment work.

[0024] Any technical solution using the technical solution of the present utility model, or designed by those skilled in the art inspired by the technical solution of the present utility model, that achieves the above technical effects falls within the protection scope of the present utility model.

Claims

1. An improved treatment device for isooctyl thioglycolate synthesis waste gas, comprising a base (1), wherein a buffer tank (2) is arranged on the left side of the upper end of the base (1); a treatment tank (3) is fixed on the right side of the upper end of the base (1); a first alkali neutralization layer (4) is arranged at the bottom of the inner wall of the treatment tank (3); a first catalytic treatment unit (5) is arranged at the middle position of the lower part of the inner wall of the treatment tank (3); a spray pipe (6) is arranged at the top end of the treatment tank (3); characterized in that, In the improved treatment device for isooctyl thioglycolate synthetic waste gas, a heatable adsorption purification tank structure (7) is provided at the middle position of the upper end of the base (1); and a humidifiable multiple purification box structure (8) is provided at the upper part of the inner wall of the treatment tank (3).

2. The improved treatment device for isooctyl thioglycolate synthesis waste gas according to claim 1, characterized in that: The heatable guided adsorption purification tank structure (7) comprises a heating box (71), the right end of the heating box (71) is bolted with a sealing cover (72); the left side of the sealing cover (72) is fixed with a heating tube (73) in sequence from top to bottom; the middle position of the upper end of the heating box (71) is bolted with a guiding tank (74); the lower part of the inner wall of the guiding tank (74) is provided with a second alkali neutralization layer (75); the middle position of the right side of the guiding tank (74) is bolted with a shielding cover (76); the left side of the shielding cover (76) is fixed with a sieve plate (77) in sequence from top to bottom; and the upper part of the inner wall of the guiding tank (74) is fixed with a second catalytic treatment unit (78).

3. The improved treatment device for isooctyl thioglycolate synthesis waste gas according to claim 1, characterized in that: The humidifiable multiple purification box structure (8) comprises a humidifying box (81), wherein a conveying pipe (82) penetrates through the middle position of the bottom end of the humidifying box (81); the bottom end of the conveying pipe (82) is bolted to the middle position of the upper end of the collecting bucket (83); the upper left and right sides of the conveying pipe (82) are respectively threadedly connected with an air outlet pipe (84); the left and right sides of the upper front end and the left and right sides of the upper rear end of the humidifying box (81) are respectively bolted to support rods (85); the upper ends of the support rods (85) are respectively bolted to the bottom end of the guide bucket (86); the middle position of the bottom end of the guide bucket (86) is threadedly connected with a water outlet pipe (87).

4. The improved treatment device for isooctyl thioglycolate synthesis waste gas according to claim 2, characterized in that: The heating box (71) is bolted to the middle position of the upper end of the base (1); the middle position of the upper end of the buffer tank (2) is connected to the middle position of the lower left side of the heating box (71) by a pipeline; the upper end pipeline of the guide tank (74) is connected to the lower left side of the processing tank (3).

5. The improved treatment device for isooctyl thioglycolate synthesis waste gas according to claim 3, characterized in that: The humidifying box (81) is bolted to the upper middle part of the inner wall of the treatment tank (3); the right end of the water outlet pipe (87) passes through the right side of the treatment tank (3); the guide bucket (86) is arranged in the middle position of the bottom end of the spray pipe (6) and below the spray head arranged at the bottom end of the spray pipe (6).

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