Tail gas absorption device for preparing trimethylchlorosilane

Abstract

The utility model relates to the technical field of trimethylchlorosilane preparation, in particular to a tail gas absorption device for trimethylchlorosilane preparation, which is characterized in that purified liquid is discharged into a storage mechanism, then tail gas is discharged into the purified liquid in the storage mechanism, and harmful substances in the tail gas are treated by matching with a treatment mechanism. Then the treated gas is dehumidified through the dehumidification mechanism, so that the practicability of the equipment is improved; comprising a storage mechanism; the device further comprises a processing mechanism and a dehumidification mechanism, the processing mechanism is installed in the storage mechanism, and the dehumidification mechanism is installed on the storage mechanism. The storage mechanism is used for storing the purification liquid, the treatment mechanism is used for treating harmful substances in the tail gas, and the dehumidification mechanism is used for dehumidifying the treated gas.

Description

Technical Field

[0001] The utility model relates to the technical field of preparation of trimethylchlorosilane, in particular to a tail gas absorption device for preparing trimethylchlorosilane. Background Art

[0002] Trimethylchlorosilane is an organosilicon compound, a colorless, transparent liquid widely used in organic synthesis and chemical processing. During its preparation, trimethylchlorosilane produces tail gas, the main components of which are vaporized trimethylchlorosilane product and raw material chloromethane (hereinafter referred to as hazardous substances) that is not yet involved in the synthesis of trimethylchlorosilane and is carried out. This tail gas has a significant impact on the surrounding environment and the health of workers.

[0003] Therefore, there have emerged a tail gas absorption device for the production of trimethylchlorosilane, as disclosed in the utility model patent with publication number CN218307119U, and a tail gas absorption device for trimethylchlorosilane, as disclosed in the utility model patent with publication number CN221244557U, both of which can treat the tail gas generated during the preparation of trimethylchlorosilane.

[0004] However, during use, it was found that the existing trimethylchlorosilane tail gas treatment device has a relatively simple structure, poor tail gas treatment effect, and is inconvenient to dehumidify the gas, resulting in poor practicality. Therefore, there is an urgent need for a tail gas absorption device for preparing trimethylchlorosilane to improve the above problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a tail gas absorption device for preparing trimethylchlorosilane, which discharges the purified liquid into a storage mechanism, then discharges the tail gas into the purified liquid in the storage mechanism, and then cooperates with a treatment mechanism to treat harmful substances in the tail gas, and then dehumidifies the treated gas through a dehumidification mechanism, thereby improving the practicality of the equipment.

[0006] The utility model discloses a tail gas absorption device for preparing trimethylchlorosilane, comprising a storage mechanism, a processing mechanism and a dehumidification mechanism, wherein the processing mechanism is installed in the storage mechanism and the dehumidification mechanism is installed on the storage mechanism;

[0007] The storage mechanism stores the purified liquid, the processing mechanism processes the harmful substances in the tail gas, and the dehumidification mechanism dehumidifies the treated gas;

[0008] The purified liquid is discharged into the storage mechanism, and then the exhaust gas is discharged into the purified liquid in the storage mechanism. The harmful substances in the exhaust gas are then treated with the treatment mechanism, and then the treated gas is dehumidified through the dehumidification mechanism, thereby improving the practicality of the equipment.

[0009] Preferably, the storage mechanism includes a storage box, a first exhaust pump, a first exhaust pipe, multiple groups of air jet pipes, multiple groups of exhaust nozzles, and a second exhaust pump. The first exhaust pipe is installed inside the storage box, the side end of the first exhaust pipe extends to the outside of the storage box, and the storage box is provided with a feed valve and a drain valve. The first exhaust pump is installed outside the storage box, and the first exhaust pump is provided with an air intake port and an exhaust port. The exhaust port of the first exhaust pump is connected to the side end of the first exhaust pipe. The multiple groups of air jet pipes are rotatably installed on the first exhaust pipe, and the multiple groups of air jet pipes are communicated with the inside of the first exhaust pipe. The multiple groups of exhaust nozzles are respectively installed on the multiple groups of air jet pipes. The second The exhaust pump is installed on the dehumidification mechanism; the purified liquid is discharged into the storage box through the feed valve of the storage box, so that the purified liquid submerges the multiple sets of exhaust nozzles, and then the air intake of the first exhaust pump is connected to the exhaust gas delivery pipeline, and the first exhaust pump is turned on to discharge the exhaust gas into the first exhaust pipe, and then the exhaust gas enters the multiple sets of jet pipes, and then the exhaust gas is sprayed into the purified liquid through the multiple sets of exhaust nozzles, and the impact force generated by the jets from the multiple sets of exhaust nozzles causes the multiple sets of jet pipes to rotate, thereby improving the uniformity of the exhaust, and then the harmful substances in the exhaust gas are treated for the first time by the purified liquid, and the treated gas is discharged by turning on the second exhaust pump, thereby improving the practicality of the equipment.

[0010] Preferably, the treatment mechanism includes a drainage pump, a drainage pipe, a water spray pipe, multiple groups of atomizing nozzles, multiple groups of drainage nozzles, multiple groups of fan blades, an ultrasonic atomizer and a feeding mechanism. The drainage pump is installed at the bottom end of the storage box, the bottom end of the drainage pipe is installed on the drainage outlet of the drainage pump, the water spray pipe is rotatably installed on the top of the drainage pipe, and the interior of the water spray pipe is communicated with the interior of the drainage pipe. The multiple groups of atomizing nozzles, multiple groups of drainage nozzles and multiple groups of fan blades are all installed on the water spray pipe, the ultrasonic atomizer is fixedly installed on the drainage pipe, and the ultrasonic atomizer is located below the multiple groups of atomizing nozzles. The feeding mechanism is installed on the storage box; the foaming agent is discharged into the purified liquid through the feeding mechanism, so that a bubble layer is generated on the surface of the purified liquid, and the tail gas is treated by the bubble layer. Block to achieve the second treatment of the exhaust gas, then turn on the drain pump to discharge the purified liquid into the water pipe, spray the purified liquid through multiple sets of drainage nozzles, and the impact force generated by the purification liquid sprayed out by multiple sets of drainage nozzles makes the water pipe rotate, and at the same time, the purified liquid is atomized and sprayed through multiple sets of atomizing nozzles, and part of the sprayed purified liquid falls into the ultrasonic atomizer, and the purified liquid is atomized by the ultrasonic atomizer, and the purified liquid is rotated with the water pipe through multiple sets of fan blades to blow the gas in the storage box downward, so as to improve the contact effect between the storage box and the atomized purified liquid, and the rising exhaust gas is treated for the third time by the purified liquid atomized by multiple sets of atomizing nozzles and the purified liquid atomized by the ultrasonic atomizer, thereby improving the practicality of the equipment.

[0011] Preferably, the feeding mechanism includes a storage cylinder, an electric cylinder, a piston and a connecting pipe, the storage cylinder is installed on the storage box, a delivery valve is provided at the rear end bottom of the storage cylinder, the electric cylinder is installed on the top of the storage cylinder, the piston is slidably installed inside the storage cylinder, and the bottom end of the electric cylinder is connected to the top end of the piston, the top end of the connecting pipe is communicated with the interior of the storage cylinder through the electric control valve, and the other end of the connecting pipe extends to the interior of the storage box; the electric control valve on the connecting pipe is closed, and the delivery valve on the storage cylinder is communicated with the interior of the foaming agent barrel through a hose, and the piston is moved to the bottom of the storage cylinder by stretching the electric cylinder, and then the piston is moved upward by contracting the electric cylinder to discharge the foaming agent in the foaming agent barrel into the storage cylinder, the delivery valve on the storage cylinder is closed, and the electric control valve on the connecting pipe is opened, and the piston is moved downward by stretching the electric cylinder to discharge part of the foaming agent in the storage cylinder into the storage box, thereby improving the practicality of the equipment.

[0012] Preferably, the dehumidification mechanism includes a cooling pipe, multiple groups of semiconductor refrigeration plates, multiple groups of cooling fans, multiple groups of baffles and an adsorption mechanism. The bottom end of the cooling pipe is connected to the top of the storage box. The multiple groups of semiconductor refrigeration plates are all installed on the cooling pipe, and the cooling ends of the multiple groups of semiconductor refrigeration plates extend to the interior of the cooling pipe. The heat dissipation ends of the multiple groups of semiconductor refrigeration plates are all located on the outside of the cooling pipe. The multiple groups of cooling fans are respectively installed on the heat dissipation ends of the multiple groups of semiconductor refrigeration plates, and the multiple groups of baffles are all installed on the cooling ends of the multiple groups of semiconductor refrigeration plates. The adsorption mechanism is installed on the top of the cooling pipe. After the treated gas enters the cooling pipe, the multiple groups of baffles are cooled by the multiple groups of semiconductor refrigeration plates, so that the water vapor in the gas is condensed into water droplets attached to the multiple groups of baffles, completing the dehumidification of the gas. After that, the dehumidified gas enters the adsorption mechanism, and the gas is treated for the fourth time, thereby improving the practicality of the equipment.

[0013] Preferably, the adsorption mechanism includes a dehumidification box, a bracket, a sealing plate and multiple groups of activated carbon adsorption plates. The dehumidification box is installed at the top of the cooling pipe, the second exhaust pump is installed at the top of the dehumidification box, and the interior of the dehumidification box is communicated with the interior of the cooling pipe, the air intake of the second exhaust pump is communicated with the interior of the dehumidification box, the bracket is slidably installed in the interior of the dehumidification box, the sealing plate is installed at the left end of the bracket, and the sealing plate is fixed to the dehumidification box by bolts, and multiple groups of activated carbon adsorption plates are installed on the bracket; harmful substances and water vapor in the gas are adsorbed by multiple groups of activated carbon adsorption plates to complete the fourth treatment of the gas, and then the treated gas is ejected by the second exhaust pump, and then the bolts on the sealing plate are removed, and the sealing plate is pulled to the left to pull the multiple groups of activated carbon adsorption plates out of the dehumidification box, so that the staff can replace the multiple groups of activated carbon adsorption plates conveniently, thereby improving the practicality of the equipment.

[0014] Preferably, the multiple groups of baffles are all made of heat-conducting material.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the purified liquid is discharged into the storage mechanism, and then the exhaust gas is discharged into the purified liquid in the storage mechanism, and then the harmful substances in the exhaust gas are treated in conjunction with the treatment mechanism, and then the treated gas is dehumidified through the dehumidification mechanism, thereby improving the practicality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is an axonometric structural diagram of the utility model;

[0017] Figure 2 This is a front view structural diagram of the present utility model;

[0018] Figure 3 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the first axonometric cross-sectional structure of the present invention;

[0020] Figure 5 This is a second axonometric cross-sectional structural diagram of the present invention;

[0021] Figure 6 It is an axonometric enlarged structural diagram of the drainage pump, water spray pipe and ultrasonic atomizer of the utility model.

[0022] Markings in the accompanying drawings: 1. Storage box; 2. First exhaust pump; 3. First exhaust pipe; 4. Jet pipe; 5. Exhaust nozzle; 6. Second exhaust pump; 7. Drain pump; 8. Drain pipe; 9. Water spray pipe; 10. Atomizing nozzle; 11. Drain nozzle; 12. Fan blade; 13. Ultrasonic atomizer; 14. Storage cylinder; 15. Electric cylinder; 16. Piston; 17. Connecting pipe; 18. Cooling pipe; 19. Semiconductor refrigeration plate; 20. Cooling fan; 21. Baffle; 22. Dehumidification box; 23. Bracket; 24. Sealing plate; 25. Activated carbon adsorption plate. DETAILED DESCRIPTION

[0023] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0024] Example 1

[0025] A tail gas absorption device for preparing trimethylchlorosilane comprises a storage mechanism, a processing mechanism and a dehumidification mechanism, wherein the processing mechanism is installed in the storage mechanism and the dehumidification mechanism is installed on the storage mechanism;

[0026] The storage mechanism stores the purified liquid, the processing mechanism processes the harmful substances in the tail gas, and the dehumidification mechanism dehumidifies the treated gas;

[0027] The storage mechanism includes a storage box 1, a first exhaust pump 2, a first exhaust pipe 3, multiple groups of air jet pipes 4, multiple groups of exhaust nozzles 5 and a second exhaust pump 6. The first exhaust pipe 3 is installed inside the storage box 1, and the side end of the first exhaust pipe 3 extends to the outside of the storage box 1. The storage box 1 is provided with a feed valve and a drain valve. The first exhaust pump 2 is installed outside the storage box 1, and the first exhaust pump 2 is provided with an air intake port and an exhaust port. The exhaust port of the first exhaust pump 2 is connected to the side end of the first exhaust pipe 3. The multiple groups of air jet pipes 4 are all rotatably installed on the first exhaust pipe 3, and the multiple groups of air jet pipes 4 are all communicated with the inside of the first exhaust pipe 3. The multiple groups of exhaust nozzles 5 are respectively installed on the multiple groups of air jet pipes 4. The second exhaust pump 6 is installed on the dehumidification mechanism;

[0028] The processing mechanism includes a drainage pump 7, a drainage pipe 8, a water spray pipe 9, multiple groups of atomizing nozzles 10, multiple groups of drainage nozzles 11, multiple groups of fan blades 12, an ultrasonic atomizer 13 and a feeding mechanism. The drainage pump 7 is installed at the bottom end of the storage box 1, the bottom end of the drainage pipe 8 is installed on the drainage outlet of the drainage pump 7, the water spray pipe 9 is rotatably installed on the top of the drainage pipe 8, and the interior of the water spray pipe 9 is communicated with the interior of the drainage pipe 8. The multiple groups of atomizing nozzles 10, the multiple groups of drainage nozzles 11 and the multiple groups of fan blades 12 are all installed on the water spray pipe 9, the ultrasonic atomizer 13 is fixedly installed on the drainage pipe 8, and the ultrasonic atomizer 13 is located below the multiple groups of atomizing nozzles 10. The feeding mechanism is installed on the storage box 1;

[0029] The feeding mechanism includes a storage cylinder 14, an electric cylinder 15, a piston 16 and a connecting pipe 17. The storage cylinder 14 is installed on the storage box 1. A delivery valve is provided at the bottom of the rear end of the storage cylinder 14. The electric cylinder 15 is installed at the top of the storage cylinder 14. The piston 16 is slidably installed inside the storage cylinder 14, and the bottom end of the electric cylinder 15 is connected to the top end of the piston 16. The top end of the connecting pipe 17 is connected to the interior of the storage cylinder 14 through an electric control valve, and the other end of the connecting pipe 17 extends to the interior of the storage box 1.

[0030] The dehumidification mechanism includes a cooling tube 18, multiple groups of semiconductor refrigeration plates 19, multiple groups of cooling fans 20, multiple groups of baffles 21 and an adsorption mechanism. The bottom end of the cooling tube 18 is connected to the top of the storage box 1. The multiple groups of semiconductor refrigeration plates 19 are all installed on the cooling tube 18, and the cooling ends of the multiple groups of semiconductor refrigeration plates 19 extend into the interior of the cooling tube 18. The heat dissipation ends of the multiple groups of semiconductor refrigeration plates 19 are all located outside the cooling tube 18. The multiple groups of cooling fans 20 are respectively installed on the heat dissipation ends of the multiple groups of semiconductor refrigeration plates 19. The multiple groups of baffles 21 are all installed on the cooling ends of the multiple groups of semiconductor refrigeration plates 19. The adsorption mechanism is installed on the top of the cooling tube 18.

[0031] The purified liquid is discharged into the storage tank 1 through the feed valve of the storage tank 1, so that the purified liquid submerges the multiple sets of exhaust nozzles 5, and then the air intake of the first exhaust pump 2 is connected to the exhaust gas delivery pipeline, and the first exhaust pump 2 is opened to discharge the exhaust gas into the first exhaust pipe 3, and then the exhaust gas enters the multiple sets of injection pipes 4, and then the exhaust gas is sprayed into the purified liquid through the multiple sets of exhaust nozzles 5, and the impact force generated by the jets of the multiple sets of exhaust nozzles 5 causes the multiple sets of injection pipes 4 to rotate, thereby improving the uniformity of the exhaust, and then the harmful substances in the exhaust gas are treated for the first time by the purified liquid, and then the electric cylinder 15 is extended to move the piston 16 downward, and part of the foaming agent in the storage cylinder 14 is discharged into the storage tank 1, so that a bubble layer is generated on the surface of the purified liquid, and the exhaust gas is blocked by the bubble layer, thereby realizing the second treatment of the exhaust gas, and then the drainage pump 7 is opened to discharge the purified liquid into the water spray pipe 9, and the purified liquid is sprayed out through the multiple sets of drainage nozzles 11 The impact force generated by the purification liquid sprayed out by multiple sets of drainage nozzles 11 causes the water spray pipe 9 to rotate, and at the same time, the purification liquid is atomized and sprayed out by multiple sets of atomizing nozzles 10, and part of the sprayed purification liquid falls into the ultrasonic atomizer 13, and the purification liquid is atomized by the ultrasonic atomizer 13. The purification liquid is rotated following the water spray pipe 9 through multiple sets of fan blades 12, blowing downward the gas in the storage box 1, thereby improving the contact effect between the storage box 1 and the atomized purification liquid, and the purification liquid atomized by the multiple sets of atomizing nozzles 10 and the ultrasonic atomizer 13 is used to treat the rising exhaust gas for the third time. After the treated gas enters the cooling pipe 18, the multiple sets of baffles 21 are cooled by multiple sets of semiconductor refrigeration plates 19, so that the water vapor in the gas is condensed into water droplets attached to the multiple sets of baffles 21, completing the dehumidification of the gas, and then the dehumidified gas is discharged through the second exhaust pump 6, thereby improving the practicality of the equipment.

[0032] Example 2

[0033] like Figures 1 to 6 As shown, a tail gas absorption device for preparing trimethylchlorosilane includes a storage mechanism; a processing mechanism and a dehumidification mechanism, wherein the processing mechanism is installed in the storage mechanism and the dehumidification mechanism is installed on the storage mechanism;

[0034] The storage mechanism stores the purified liquid, the processing mechanism processes the harmful substances in the tail gas, and the dehumidification mechanism dehumidifies the treated gas;

[0035] The storage mechanism includes a storage box 1, a first exhaust pump 2, a first exhaust pipe 3, multiple groups of air jet pipes 4, multiple groups of exhaust nozzles 5 and a second exhaust pump 6. The first exhaust pipe 3 is installed inside the storage box 1, and the side end of the first exhaust pipe 3 extends to the outside of the storage box 1. The storage box 1 is provided with a feed valve and a drain valve. The first exhaust pump 2 is installed outside the storage box 1, and the first exhaust pump 2 is provided with an air intake port and an exhaust port. The exhaust port of the first exhaust pump 2 is connected to the side end of the first exhaust pipe 3. The multiple groups of air jet pipes 4 are all rotatably installed on the first exhaust pipe 3, and the multiple groups of air jet pipes 4 are all communicated with the inside of the first exhaust pipe 3. The multiple groups of exhaust nozzles 5 are respectively installed on the multiple groups of air jet pipes 4. The second exhaust pump 6 is installed on the dehumidification mechanism;

[0036] The processing mechanism includes a drainage pump 7, a drainage pipe 8, a water spray pipe 9, multiple groups of atomizing nozzles 10, multiple groups of drainage nozzles 11, multiple groups of fan blades 12, an ultrasonic atomizer 13 and a feeding mechanism. The drainage pump 7 is installed at the bottom end of the storage box 1, the bottom end of the drainage pipe 8 is installed on the drainage outlet of the drainage pump 7, the water spray pipe 9 is rotatably installed on the top of the drainage pipe 8, and the interior of the water spray pipe 9 is communicated with the interior of the drainage pipe 8. The multiple groups of atomizing nozzles 10, the multiple groups of drainage nozzles 11 and the multiple groups of fan blades 12 are all installed on the water spray pipe 9, the ultrasonic atomizer 13 is fixedly installed on the drainage pipe 8, and the ultrasonic atomizer 13 is located below the multiple groups of atomizing nozzles 10. The feeding mechanism is installed on the storage box 1;

[0037] The feeding mechanism includes a storage cylinder 14, an electric cylinder 15, a piston 16 and a connecting pipe 17. The storage cylinder 14 is installed on the storage box 1. A delivery valve is provided at the bottom of the rear end of the storage cylinder 14. The electric cylinder 15 is installed at the top of the storage cylinder 14. The piston 16 is slidably installed inside the storage cylinder 14, and the bottom end of the electric cylinder 15 is connected to the top end of the piston 16. The top end of the connecting pipe 17 is connected to the interior of the storage cylinder 14 through an electric control valve, and the other end of the connecting pipe 17 extends to the interior of the storage box 1.

[0038] The dehumidification mechanism includes a cooling tube 18, multiple groups of semiconductor refrigeration plates 19, multiple groups of cooling fans 20, multiple groups of baffles 21 and an adsorption mechanism. The bottom end of the cooling tube 18 is connected to the top of the storage box 1. The multiple groups of semiconductor refrigeration plates 19 are all installed on the cooling tube 18, and the cooling ends of the multiple groups of semiconductor refrigeration plates 19 extend into the interior of the cooling tube 18. The heat dissipation ends of the multiple groups of semiconductor refrigeration plates 19 are all located outside the cooling tube 18. The multiple groups of cooling fans 20 are respectively installed on the heat dissipation ends of the multiple groups of semiconductor refrigeration plates 19. The multiple groups of baffles 21 are all installed on the cooling ends of the multiple groups of semiconductor refrigeration plates 19. The adsorption mechanism is installed on the top of the cooling tube 18.

[0039] The adsorption mechanism includes a dehumidification box 22, a bracket 23, a sealing plate 24 and multiple groups of activated carbon adsorption plates 25. The dehumidification box 22 is installed at the top of the cooling tube 18, the second exhaust pump 6 is installed at the top of the dehumidification box 22, and the interior of the dehumidification box 22 is communicated with the interior of the cooling tube 18. The air intake of the second exhaust pump 6 is communicated with the interior of the dehumidification box 22. The bracket 23 is slidably installed in the interior of the dehumidification box 22. The sealing plate 24 is installed at the left end of the bracket 23 and is fixed to the dehumidification box 22 by bolts. The multiple groups of activated carbon adsorption plates 25 are all installed on the bracket 23;

[0040] The multiple groups of baffles 21 are all made of heat-conducting material;

[0041] The purified liquid is discharged into the storage tank 1 through the feed valve of the storage tank 1, so that the purified liquid submerges the multiple sets of exhaust nozzles 5, and then the air intake of the first exhaust pump 2 is connected to the exhaust gas delivery pipeline, and the first exhaust pump 2 is opened to discharge the exhaust gas into the first exhaust pipe 3, and then the exhaust gas enters the multiple sets of injection pipes 4, and then the exhaust gas is sprayed into the purified liquid through the multiple sets of exhaust nozzles 5, and the impact force generated by the jets of the multiple sets of exhaust nozzles 5 causes the multiple sets of injection pipes 4 to rotate, thereby improving the uniformity of the exhaust, and then the harmful substances in the exhaust gas are treated for the first time by the purified liquid, and then the electric cylinder 15 is extended to move the piston 16 downward, and part of the foaming agent in the storage cylinder 14 is discharged into the storage tank 1, so that a bubble layer is generated on the surface of the purified liquid, and the exhaust gas is blocked by the bubble layer, thereby realizing the second treatment of the exhaust gas, and then the drainage pump 7 is opened to discharge the purified liquid into the water spray pipe 9, and the purified liquid is sprayed out through the multiple sets of drainage nozzles 11, and the purified liquid is sprayed out through the multiple sets of drainage nozzles 11 The impact force generated by the liquid causes the water spray pipe 9 to rotate, and at the same time, the purified liquid is atomized and sprayed out through multiple groups of atomizing nozzles 10, and part of the sprayed purified liquid falls into the ultrasonic atomizer 13, and the purified liquid is atomized by the ultrasonic atomizer 13. The purified liquid is rotated following the water spray pipe 9 through multiple groups of fan blades 12, blowing downward the gas in the storage box 1, thereby improving the contact effect between the storage box 1 and the atomized purified liquid. The purified liquid atomized by the multiple groups of atomizing nozzles 10 and the purified liquid atomized by the ultrasonic atomizer 13 are used to treat the rising exhaust gas for the third time. After the treated gas enters the cooling pipe 18, the multiple groups of semiconductor refrigeration plates 19 are used to cool the multiple groups of baffles 21, so that the water vapor in the gas is condensed into water droplets attached to the multiple groups of baffles 21, and the harmful substances and water vapor in the gas are adsorbed by the multiple groups of activated carbon adsorption plates 25, completing the fourth treatment of the gas, and then the dehumidified gas is discharged through the second exhaust pump 6, thereby improving the practicality of the equipment.

[0042] The purification liquid is a mixture of water and ether; the first exhaust pump 2, the second exhaust pump 6, the drainage pump 7, the ultrasonic atomizer 13, the electric cylinder 15, the semiconductor refrigeration plate 19 and the cooling fan 20 of the tail gas absorption device for preparing trimethylchlorosilane of the utility model are purchased on the market, and technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for creative work by technicians in this field.

[0043] 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 principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A tail gas absorption device for preparing trimethylchlorosilane, comprising a storage mechanism; characterized in that: It also includes a processing mechanism and a dehumidification mechanism, wherein the processing mechanism is installed in the storage mechanism and the dehumidification mechanism is installed on the storage mechanism; The storage mechanism stores the purified liquid, the processing mechanism processes the harmful substances in the tail gas, and the dehumidification mechanism dehumidifies the treated gas; The storage mechanism comprises a storage box (1), a first exhaust pump (2), a first exhaust pipe (3), a plurality of jet pipes (4), a plurality of exhaust nozzles (5) and a second exhaust pump (6); the first exhaust pipe (3) is installed inside the storage box (1); the side end of the first exhaust pipe (3) extends to the outside of the storage box (1); and the storage box (1) is provided with a feed valve and a drain valve; the first exhaust pump (2) is installed outside the storage box (1); and the first exhaust pump (2) is provided with an air intake port and an exhaust port; the exhaust port of the first exhaust pump (2) is connected to the side end of the first exhaust pipe (3); the plurality of jet pipes (4) are all rotatably installed on the first exhaust pipe (3); and the plurality of jet pipes (4) are all communicated with the inside of the first exhaust pipe (3); the plurality of exhaust nozzles (5) are respectively installed on the plurality of jet pipes (4); and the second exhaust pump (6) is installed on the dehumidification mechanism; The dehumidification mechanism comprises a cooling pipe (18), a plurality of semiconductor refrigeration plates (19), a plurality of cooling fans (20), a plurality of baffles (21) and an adsorption mechanism. The bottom end of the cooling pipe (18) is connected to the top end of the storage box (1). The plurality of semiconductor refrigeration plates (19) are all installed on the cooling pipe (18), and the cooling ends of the plurality of semiconductor refrigeration plates (19) extend to the inside of the cooling pipe (18). The heat dissipation ends of the plurality of semiconductor refrigeration plates (19) are all located outside the cooling pipe (18). The plurality of cooling fans (20) are respectively installed on the heat dissipation ends of the plurality of semiconductor refrigeration plates (19). The plurality of baffles (21) are all installed on the cooling ends of the plurality of semiconductor refrigeration plates (19). The adsorption mechanism is installed on the top end of the cooling pipe (18).

2. A tail gas absorption device for preparing trimethylchlorosilane according to claim 1, characterized in that: The processing mechanism comprises a drainage pump (7), a drainage pipe (8), a water spray pipe (9), a plurality of groups of atomizing nozzles (10), a plurality of groups of drainage nozzles (11), a plurality of groups of fan blades (12), an ultrasonic atomizer (13) and a feeding mechanism. The drainage pump (7) is installed at the bottom end of the storage box (1), the bottom end of the drainage pipe (8) is installed on the drainage outlet of the drainage pump (7), the water spray pipe (9) is rotatably installed on the top end of the drainage pipe (8), and the interior of the water spray pipe (9) is communicated with the interior of the drainage pipe (8), the plurality of groups of atomizing nozzles (10), the plurality of groups of drainage nozzles (11) and the plurality of groups of fan blades (12) are all installed on the water spray pipe (9), the ultrasonic atomizer (13) is fixedly installed on the drainage pipe (8), and the ultrasonic atomizer (13) is located below the plurality of groups of atomizing nozzles (10), and the feeding mechanism is installed on the storage box (1).

3. A tail gas absorption device for preparing trimethylchlorosilane according to claim 2, characterized in that: The feeding mechanism comprises a storage cylinder (14), an electric cylinder (15), a piston (16) and a connecting pipe (17); the storage cylinder (14) is mounted on the storage box (1); a delivery valve is provided at the bottom of the rear end of the storage cylinder (14); the electric cylinder (15) is mounted on the top of the storage cylinder (14); the piston (16) is slidably mounted inside the storage cylinder (14); the bottom end of the electric cylinder (15) is connected to the top end of the piston (16); the top end of the connecting pipe (17) is communicated with the inside of the storage cylinder (14) through an electric control valve; and the other end of the connecting pipe (17) extends to the inside of the storage box (1).

4. A tail gas absorption device for preparing trimethylchlorosilane according to claim 1, characterized in that: The adsorption mechanism includes a dehumidification box (22), a bracket (23), a sealing plate (24) and multiple groups of activated carbon adsorption plates (25). The dehumidification box (22) is installed at the top of the cooling pipe (18). The second exhaust pump (6) is installed at the top of the dehumidification box (22), and the interior of the dehumidification box (22) is communicated with the interior of the cooling pipe (18). The air intake of the second exhaust pump (6) is communicated with the interior of the dehumidification box (22). The bracket (23) is slidably installed in the interior of the dehumidification box (22). The sealing plate (24) is installed at the left end of the bracket (23), and the sealing plate (24) is fixedly installed on the dehumidification box (22) by bolts. The multiple groups of activated carbon adsorption plates (25) are all installed on the bracket (23).

5. A tail gas absorption device for preparing trimethylchlorosilane according to claim 1, characterized in that: The multiple groups of baffles (21) are all made of heat-conducting material.

Images