Waste gas suction and collection treatment equipment for chemical plant

Abstract

According to the waste gas suction and collection treatment equipment for the chemical plant, when the equipment works, waste gas is conveyed into the equipment through work of the gas pump, then waste gas in the equipment flows, the waste gas is treated, a limiting plate moves, a sealing plate is opened, and the waste gas is sucked and collected. According to the waste gas dewatering device, the waste gas subjected to sulfur removal enters the dewatering bin, flowing of the waste gas is guaranteed, meanwhile, backflow of the waste gas is prevented, water vapor in the waste gas is preliminarily adsorbed through the adsorption layer, residual water vapor is dried through the drying layer, then water in the waste gas can be fully removed, the dewatering effect is good, and the waste gas dewatering device is high in practicability. The device is simple in structure and high in dehydration efficiency, hydrogen sulfide and water in waste gas are fully removed finally, the desulfurization effect is good, the dehydration efficiency is high, and pollution of sulfides to the environment and harm of the sulfides to human health are greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment in chemical plants, in particular to waste gas suction and treatment equipment used in chemical plants. Background Art

[0002] With the rapid development of people's lives, more and more chemical plants are being set up in our lives. Chemical plants are mainly places for the production and processing of chemical-related products. A large amount of waste gas will be generated in chemical plants. Some of the waste gas will contain sulfides, which will also pollute the environment and endanger human health. Utility Model Content

[0003] The purpose of the utility model is to provide a waste gas collection and treatment device for a chemical plant, which is used to solve the problems raised in the background technology and is convenient for promotion.

[0004] In order to achieve the above utility model purpose, the technical solution adopted by the utility model is:

[0005] A waste gas collection and treatment equipment for a chemical plant, comprising a shell, a partition plate is fixedly provided on the inner wall of the shell, a desulfurization bin is provided on one side of the partition plate, a dewatering bin is provided on the side of the partition plate away from the desulfurization bin, a desulfurization device is fixedly provided on the inner wall of the desulfurization bin, a dewatering device is fixedly provided on the inner wall of the dewatering bin, an air inlet pipe is fixedly provided on the side of the desulfurization bin away from the partition plate, a solenoid valve 1 is fixedly provided on the air inlet pipe, a liquid outlet pipe is fixedly provided below the desulfurization bin, a solenoid valve 2 is fixedly provided on the liquid outlet pipe, an air outlet pipe is fixedly provided on the side of the dewatering bin away from the partition plate, a solenoid valve 3 is fixedly provided on the air outlet pipe, a guide block is fixedly provided on the bottom of the desulfurization bin, an air supply pipe is fixedly provided between the dewatering bin and the desulfurization bin, a support plate 2 is fixedly provided on the outer wall of the dewatering bin, an air pump is fixedly provided on the support plate 2, an air inlet of the air pump is fixedly provided with an air extraction pipe, an end of the air extraction pipe away from the air inlet of the air pump is fixedly arranged in the dewatering bin, and a reflux device is provided in the air supply pipe;

[0006] The backflow device includes an air outlet fixing plate fixedly arranged on the inner wall of the air supply pipe, the air outlet fixing plate is symmetrically provided with air outlet holes, a guide rod is inserted into the air outlet fixing plate, a limiting plate is fixedly arranged at one end of the guide rod, a sealing plate is fixedly arranged at the end of the guide rod away from the limiting plate, an air outlet spring is arranged between the air outlet fixing plate and the limiting plate, and the air outlet spring is sleeved on the guide rod.

[0007] Furthermore, the dewatering device includes an adsorption layer fixedly arranged on the inner wall of the dewatering bin, and a drying layer is fixedly arranged below the adsorption layer.

[0008] Furthermore, the desulfurization device includes a support plate one fixedly arranged on one side of the shell, a boosting pump is fixedly arranged on the support plate one, a water inlet pipe is fixedly arranged on the water inlet of the boosting pump, a water outlet pipe is fixedly arranged on the water outlet of the boosting pump, one end of the water outlet pipe away from the water inlet of the boosting pump passes through the shell and is fixedly arranged on the inner wall of the desulfurization bin, a plurality of evenly arranged atomizing nozzles are fixedly arranged below the water outlet pipe, an air distribution plate is fixedly arranged below the water outlet pipe and on the inner wall of the desulfurization bin, the air distribution plate is provided with a plurality of evenly arranged air distribution ports, and a desulfurization box is fixedly arranged above the water outlet pipe and on the inner wall of the desulfurization bin.

[0009] Furthermore, the drying layer is filled with fiber desiccant.

[0010] Furthermore, the desulfurization box is filled with iron oxide.

[0011] As an improvement, the beneficial effects of the utility model are:

[0012] The utility model discloses a waste gas collection and treatment device for a chemical plant. When the device is working, the waste gas is first transported into the device through the operation of an air pump, thereby realizing the waste gas flow in the device, and then treating the waste gas. The waste gas enters the desulfurization bin through an air inlet pipe, and then the alkali solution is pressurized and transported into the water outlet pipe through the operation of a booster pump, and then sprayed out through an atomizing nozzle, so that the hydrogen sulfide carried in the waste gas first reacts with the alkali solution to perform the first step of desulfurization, and then contacts with the iron oxide above to perform the second step of desulfurization, which can fully desulfurize the waste gas, has a good desulfurization effect, and has a high desulfurization efficiency. The waste gas after desulfurization passes through the air pump Working, when the pressure in the dewatering bin is greater than the elasticity of the air outlet spring, the limit plate moves, and then the sealing plate opens, so that the desulfurized exhaust gas enters the dewatering bin, thereby ensuring the flow of the exhaust gas and preventing the exhaust gas from flowing back. Then the water vapor in the exhaust gas is preliminarily adsorbed by the adsorption layer, and then the remaining water vapor is dried by the drying layer, so that the moisture in the exhaust gas can be fully removed. The dehydration effect is good and the dehydration efficiency is high, and finally the hydrogen sulfide and moisture in the exhaust gas are fully removed. The desulfurization effect is good and the dehydration efficiency is high, which greatly reduces the pollution of sulfides to the environment and the harm to human health. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of a waste gas collection and treatment device for a chemical plant according to the utility model;

[0014] Figure 2 This is a partial top view of a waste gas collection and treatment device used in a chemical plant according to the utility model;

[0015] Figure 3 For this utility model Figure 1 A in the enlarged view;

[0016] Figure 4 For this utility model Figure 1 The enlarged view of point B in the figure;

[0017] Reference table of reference numerals:

[0018] 1. Shell; 2. Partition plate; 3. Desulfurization chamber; 4. Dewatering chamber; 5. Desulfurization device; 501. Support plate 1; 502. Booster pump; 503. Water inlet pipe; 504. Water outlet pipe; 505. Atomizing nozzle; 506. Air distribution plate; 507. Air distribution port; 508. Desulfurization box; 6. Dewatering device; 601. Adsorption layer; 602. Drying layer; 7. Air inlet pipe; 8. Solenoid valve 1; 9. Reaction Flow device; 901, air outlet fixing plate; 902, air outlet hole; 903, guide rod; 904, limit plate; 905, sealing plate; 906, air outlet spring; 10, solenoid valve 2; 11, air outlet pipe; 12, solenoid valve 3; 13, guide block; 14, air supply pipe; 15, support leg 1; 16, support leg 2; 17, support plate 2; 18, air pump; 19, air extraction pipe; 20, liquid outlet pipe. DETAILED DESCRIPTION

[0019] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings. The same parts are represented by the same figure numbers. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0020] In order to make the content of the utility model easier to understand, the technical solution in the embodiment of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiment of the utility model, wherein the same parts are represented by the same reference numerals.

[0021] according to Figures 1 to 4As shown, a waste gas collection and treatment equipment for a chemical plant comprises a shell 1, a partition plate 2 is fixedly provided on the inner wall of the shell 1, a desulfurization bin 3 is provided on one side of the partition plate 2, a dewatering bin 4 is provided on the side of the partition plate 2 away from the desulfurization bin 3, a desulfurization device 5 is fixedly provided on the inner wall of the desulfurization bin 3, a dewatering device 6 is fixedly provided on the inner wall of the dewatering bin 4, an air inlet pipe 7 is fixedly provided on the side of the desulfurization bin 3 away from the partition plate 2, an electromagnetic valve 8 is fixedly provided on the air inlet pipe 7, a liquid outlet pipe 20 is fixedly provided under the desulfurization bin 3, an electromagnetic valve 10 is fixedly provided on the liquid outlet pipe 20, and a dewatering bin 4 is fixedly provided on the side of the desulfurization bin 4 away from the partition plate 2. An air outlet pipe 11 is fixedly provided with a solenoid valve three 12, a guide block 13 is fixedly provided at the bottom of the desulfurization bin 3, an air supply pipe 14 is fixedly provided between the dewatering bin 4 and the desulfurization bin 3, a support plate two 17 is fixedly provided on the outer wall of the dewatering bin 4, an air pump 18 is fixedly provided on the support plate two 17, an exhaust pipe 19 is fixedly provided on the air inlet of the air pump 18, and one end of the exhaust pipe 19 away from the air inlet of the air pump 18 is fixedly arranged in the dewatering bin 4, a backflow device 9 is provided in the air supply pipe 14, and the exhaust gas is transported to the equipment through the operation of the air pump 18, thereby realizing the flow of exhaust gas in the equipment and further treating the exhaust gas.

[0022] The backflow device 9 includes an air outlet fixing plate 901 fixedly arranged on the inner wall of the air supply pipe 14, and air outlet holes 902 are symmetrically opened on the air outlet fixing plate 901. A guide rod 903 is inserted on the air outlet fixing plate 901, and a limiting plate 904 is fixedly arranged at one end of the guide rod 903. A sealing plate 905 is fixedly arranged at the end of the guide rod 903 away from the limiting plate 904. An air outlet spring 906 is arranged between the air outlet fixing plate 901 and the limiting plate 904, and the air outlet spring 906 is sleeved on the guide rod 903. The desulfurized waste gas passes through the work of the air pump 18. When the pressure in the dewatering bin 4 is greater than the elasticity of the air outlet spring 906, the limiting plate 904 moves, and then the sealing plate 905 opens, so that the desulfurized waste gas enters the dewatering bin 4, thereby ensuring the flow of the waste gas and preventing the waste gas from flowing back.

[0023] The dehydration device 6 includes an adsorption layer 601 fixedly arranged on the inner wall of the dehydration bin 4, and a drying layer 602 is fixedly arranged below the adsorption layer 601. The drying layer 602 is filled with fiber desiccant. The water vapor in the exhaust gas is preliminarily adsorbed by the adsorption layer 601, and then the remaining water vapor is dried by the drying layer 602, so that the moisture in the exhaust gas can be fully removed, and the dehydration effect is good and the dehydration efficiency is high.

[0024] The desulfurization device 5 includes a support plate 501 fixedly arranged on one side of the shell 1, a booster pump 502 is fixedly arranged on the support plate 501, a water inlet pipe 503 is fixedly arranged on the water inlet of the booster pump 502, a water outlet pipe 504 is fixedly arranged on the water outlet of the booster pump 502, and one end of the water outlet pipe 504 away from the water inlet of the booster pump 502 passes through the shell 1 and is fixedly arranged on the inner wall of the desulfurization bin 3, a plurality of evenly arranged atomizing nozzles 505 are fixedly arranged below the water outlet pipe 504, an air distribution plate 506 is fixedly arranged below the water outlet pipe 504 and on the inner wall of the desulfurization bin 3, and the air distribution plate 506 has a plurality of evenly arranged air distribution ports 507, and a plurality of evenly arranged atomizing nozzles 505 are fixedly arranged below the water outlet pipe 504 and on the inner wall of the desulfurization bin 3. A desulfurization box 508 is fixedly provided on the inner wall of the bin 3, and the desulfurization box 508 is filled with iron oxide. The exhaust gas enters the desulfurization bin 3 through the air inlet pipe 7, and then the alkali solution is pressurized and transported to the outlet pipe 504 through the operation of the booster pump 502, and then sprayed out through the atomizing nozzle 505, so that the hydrogen sulfide carried in the exhaust gas first reacts with the alkali solution to perform the first step of desulfurization, and then contacts with the iron oxide above to perform the second step of desulfurization. The exhaust gas can be fully desulfurized, and the desulfurization effect is good and the desulfurization efficiency is high. Finally, the hydrogen sulfide and water in the exhaust gas can be fully removed, and the desulfurization effect is good and the dehydration efficiency is high, which greatly reduces the pollution of sulfides to the environment and the harm to human health.

[0025] The above are only preferred embodiments of the present utility model patent and are not intended to limit the present utility model patent. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model patent shall be included in the protection scope of the present utility model patent.

Claims

1. A waste gas collection and treatment device for a chemical plant, comprising a housing (1), characterized in that: A partition plate (2) is fixedly provided on the inner wall of the shell (1), a desulfurization bin (3) is provided on one side of the partition plate (2), a dewatering bin (4) is provided on the side of the partition plate (2) away from the desulfurization bin (3), a desulfurization device (5) is fixedly provided on the inner wall of the desulfurization bin (3), a dewatering device (6) is fixedly provided on the inner wall of the dewatering bin (4), an air inlet pipe (7) is fixedly provided on the side of the desulfurization bin (3) away from the partition plate (2), an electromagnetic valve 1 (8) is fixedly provided on the air inlet pipe (7), a liquid outlet pipe (20) is fixedly provided below the desulfurization bin (3), an electromagnetic valve 2 (10) is fixedly provided on the liquid outlet pipe (20), and the dewatering bin (4) is away from the partition plate (2). An air outlet pipe (11) is fixedly provided on one side of the partition plate (2), and a solenoid valve three (12) is fixedly provided on the air outlet pipe (11); a guide block (13) is fixedly provided on the bottom of the desulfurization bin (3); an air supply pipe (14) is fixedly provided between the dewatering bin (4) and the desulfurization bin (3); a support plate two (17) is fixedly provided on the outer wall of the dewatering bin (4), and an air pump (18) is fixedly provided on the support plate two (17); an air suction pipe (19) is fixedly provided on the air inlet of the air pump (18), and one end of the air suction pipe (19) away from the air inlet of the air pump (18) is fixedly arranged in the dewatering bin (4); and a counterflow device (9) is provided in the air supply pipe (14); The counterflow device (9) comprises an air outlet fixing plate (901) fixedly arranged on the inner wall of the air delivery pipe (14), the air outlet fixing plate (901) being symmetrically provided with air outlet holes (902), a guide rod (903) being inserted into the air outlet fixing plate (901), a limit plate (904) being fixedly arranged at one end of the guide rod (903), a sealing plate (905) being fixedly arranged at one end of the guide rod (903) away from the limit plate (904), an air outlet spring (906) being arranged between the air outlet fixing plate (901) and the limit plate (904), and the air outlet spring (906) being sleeved on the guide rod (903).

2. The waste gas collection and treatment equipment for a chemical plant according to claim 1, characterized in that: The dewatering device (6) comprises an adsorption layer (601) fixedly arranged on the inner wall of the dewatering bin (4), and a drying layer (602) is fixedly arranged below the adsorption layer (601).

3. The waste gas collection and treatment equipment for a chemical plant according to claim 2, characterized in that: The desulfurization device (5) comprises a support plate (501) fixedly arranged on one side of the shell (1), a booster pump (502) being fixedly arranged on the support plate (501), a water inlet pipe (503) being fixedly arranged on the water inlet of the booster pump (502), a water outlet pipe (504) being fixedly arranged on the water outlet of the booster pump (502), and an end of the water outlet pipe (504) away from the water inlet of the booster pump (502) passing through the shell (1) and fixedly It is arranged on the inner wall of the desulfurization bin (3), and a plurality of evenly arranged atomizing nozzles (505) are fixedly provided below the water outlet pipe (504). An air distribution plate (506) is fixedly provided below the water outlet pipe (504) and on the inner wall of the desulfurization bin (3). The air distribution plate (506) is provided with a plurality of evenly arranged air distribution ports (507). A desulfurization box (508) is fixedly provided above the water outlet pipe (504) and on the inner wall of the desulfurization bin (3).

4. The waste gas collection and treatment equipment for a chemical plant according to claim 2, characterized in that: The drying layer (602) is filled with fiber desiccant.

5. The waste gas collection and treatment equipment for a chemical plant according to claim 3, characterized in that: The desulfurization box (508) is filled with iron oxide.

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