Converter capable of improving VCM conversion rate
By adjusting the gas injection pipe opening and closing and temperature control system through the lifting drive, the problem of difficult to adjust the gas injection rate in the existing VCM converter is solved, and the conversion rate and structural strength are improved.
Patent Information
- Application Number
- CN202422247005.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-13
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-09-13
AI Technical Summary
It is difficult for existing VCM converters to adjust the injection rate of acetylene and hydrogen chloride mixture as needed, affecting the conversion rate.
The lifting drive member drives the rotation shaft to adjust the opening and closing size of the injection pipe, and combines the porous water-absorbing drying layer and the heating pipe temperature control to achieve the adjustment of gas rate and temperature and enhance structural strength.
It improves the convenience of the converter and the conversion rate of vinyl chloride, enhances the structural strength, and realizes the precise control of the mixed gas.
Smart Images

Figure CN223197000U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of VCM, in particular to a converter capable of improving the conversion rate of VCM. Background Art
[0002] Vinyl chloride, commonly known as vinyl chloride, is an organic compound and an important monomer in polymer chemical industry. In the production process of vinyl chloride (VCM), the acetylene and hydrogen chloride mixed gas needs to be converted into a process, so the corresponding VCM converter is required.
[0003] Reference announcement number CN219540256U is a temperature-controlled converter that can improve the VCM conversion rate. It includes a VCM conversion tube, an adjusting motor, and a conversion disk. The adjusting motor is arranged on both sides of the VCM conversion tube, and sealing flanges are provided at the upper and lower ends of the VCM conversion tube. The conversion disk is arranged inside the VCM conversion tube. This converter uses a temperature control shell that wraps the porous catalyst to achieve precise temperature control and uses the adjusting motor to rotate the conversion disk to reverse the flow of the porous catalyst inlet and outlet to extend the service life of the porous catalyst and effectively reduce the compaction speed of the porous catalyst. According to the above, although the converter can be well applied, it is usually not convenient to adjust the opening and closing size of the air inlet, and it is difficult to adjust the injection rate of the acetylene and hydrogen chloride mixed gas as needed, and it needs to be improved. Summary of the Invention
[0004] The present invention aims to provide a converter capable of improving the conversion rate of VCM, thereby resolving the problem in the background art that, although the converter can be well applied, it is generally difficult to adjust the opening and closing size of the air inlet, and thus it is difficult to adjust the injection rate of the acetylene and hydrogen chloride mixture as needed.
[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a converter capable of improving the conversion rate of VCM, comprising a converter body, a conversion box provided inside the converter body, a temperature control box provided at the center of the conversion box, a porous catalyst provided inside the temperature control box, an air outlet provided on one side of the bottom end of the temperature control box, the bottom end of the air outlet extending to the outside of the conversion box, a porous water-absorbing drying layer provided inside the conversion box at the top end of the temperature control box, an air inlet provided on one side of the top end of the temperature control box, the top end of the air inlet extending to the inside of the porous water-absorbing drying layer, and a porous catalyst provided on the top end of the temperature control box. An air intake pipe is provided at the center position, the top end of the air intake pipe extends to the outside of the conversion box and is installed with an air injection pipe, the top end of the air injection pipe extends to the outside of the converter body, an axle seat is provided on the outer wall of one side of the air injection pipe, a base is provided on the outer wall of the air injection pipe on the side of the axle seat, a lifting drive member is rotatably installed on the inner wall of the base, a driving arm is rotatably installed on one end of the lifting drive member, a rotating shaft is rotatably installed inside the air injection pipe, one end of the rotating shaft passes through the axle seat and is connected to one end of the driving arm, a circular plate is installed on the outer wall of the rotating shaft, and the outer wall of the circular plate touches the inner wall of the air injection pipe.
[0006] Preferably, a plurality of reinforcing plates are fixed on the outer wall of the converter body, and a circular ring is provided on the outer wall of the lower end of the converter body. The reinforcing plates are arranged so as to facilitate placement of the first reinforcing ribs and the second reinforcing ribs.
[0007] Preferably, a support rod is provided at the bottom end of each reinforcing plate, and one end of the support rod away from the reinforcing plate is fixedly connected to the outer wall of the ring. The support rod is provided to support and place the converter body.
[0008] Preferably, first reinforcing ribs are provided on the inner walls between the reinforcing plates, and second reinforcing ribs are provided on the inner walls between adjacent reinforcing plates below the first reinforcing ribs. The structural strength of the converter body is improved by the arrangement of the first reinforcing ribs and the second reinforcing ribs.
[0009] Preferably, an exhaust port is provided at the bottom of the converter body on the inner side of the ring, and the top end of the exhaust port extends to the interior of the converter body. The exhaust port is provided so that the converted vinyl chloride can be discharged.
[0010] Preferably, heating tubes are installed on the inner walls of both sides of the temperature control box, and temperature sensors are installed on the inner walls of the temperature control box on both sides of the porous catalyst. The temperature sensors and heating tubes are arranged to control the temperature inside the temperature control box.
[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the converter capable of improving the VCM conversion rate can not only adjust the injection rate of the mixed gas to improve the convenience of the converter when in use, but also achieve the purpose of dehumidification and temperature control to improve the conversion rate of vinyl chloride when the converter is in use, and improve the overall structural strength of the converter;
[0012] The lifting drive member drives the rotating shaft to rotate through the driving arm, so that the rotating shaft drives the circular plate to rotate, and the opening and closing size of the gas injection pipe can be adjusted to adjust the injection rate according to the conversion requirements of the acetylene and hydrogen chloride mixed gas, thereby improving the convenience of using the converter.
[0013] The acetylene and hydrogen chloride mixed gas is injected into the conversion box through the gas injection pipe and the gas inlet pipe. The acetylene and hydrogen chloride mixed gas then passes through the porous water-absorbing drying layer and flows into the temperature control box through the air inlet. During this process, the porous water-absorbing drying layer absorbs and filters out moisture in the mixed gas to reduce the water content of the mixed gas. The interior of the temperature control box is then heated by a heating pipe. The temperature inside the temperature control box is monitored by a temperature sensor, and the power of the heating pipe is adjusted to adjust the temperature inside the temperature control box as needed to achieve the purpose of temperature control, thereby improving the conversion rate of vinyl chloride when the converter is in use.
[0014] By setting up multiple reinforcing plates and arranging first and second reinforcing ribs between adjacent reinforcing plates, the structural strength of the converter body can be improved. The reinforcing plates and the circular rings are then reinforced and connected by support rods, thereby further improving the overall structural strength of the converter. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;
[0016] Figure 2 For this utility model Figure 1 A in the middle is an enlarged structural diagram;
[0017] Figure 3 This is a schematic diagram of the front cross-sectional structure of the utility model;
[0018] Figure 4 This is a schematic diagram of the structure of the utility model when viewed from above.
[0019] In the figure: 1. Converter body; 2. Reinforcement plate; 3. First reinforcing rib; 4. Second reinforcing rib; 5. Support rod; 6. Circular ring; 7. Air injection pipe; 8. Axle seat; 9. Base; 10. Lifting drive member; 11. Drive arm; 12. Rotating shaft; 13. Circular plate; 14. Air inlet pipe; 15. Converter box; 16. Porous water-absorbing drying layer; 17. Temperature control box; 18. Air inlet; 19. Air outlet; 20. Porous catalyst; 21. Heating tube; 22. Temperature sensor; 23. Exhaust port. DETAILED DESCRIPTION
[0020] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0021] See also Figure 1-4 The present invention provides an embodiment of a converter capable of improving VCM conversion rate, comprising a converter body 1, a plurality of reinforcing plates 2 being fixed on the outer wall of the converter body 1, and a circular ring 6 being provided on the outer wall of the lower end of the converter body 1;
[0022] When in use, the reinforcing plate 2 is provided to place the first reinforcing rib 3 and the second reinforcing rib 4;
[0023] The bottom end of each reinforcing plate 2 is provided with a support rod 5, and the end of the support rod 5 away from the reinforcing plate 2 is fixedly connected to the outer wall of the ring 6;
[0024] When in use, the support rod 5 is provided to support and place the converter body 1;
[0025] First reinforcing ribs 3 are provided on the inner walls between the reinforcing plates 2, and second reinforcing ribs 4 are provided on the inner walls between the adjacent reinforcing plates 2 below the first reinforcing ribs 3;
[0026] When in use, the first reinforcing ribs 3 and the second reinforcing ribs 4 are provided to improve the structural strength of the converter body 1;
[0027] An exhaust port 23 is provided at the bottom of the converter body 1 inside the ring 6, and the top end of the exhaust port 23 extends to the interior of the converter body 1;
[0028] When in use, the exhaust port 23 is provided so as to discharge the converted vinyl chloride;
[0029] A conversion box 15 is provided inside the converter body 1. A temperature control box 17 is provided at the center of the conversion box 15. Heating tubes 21 are installed on the inner walls of both sides of the temperature control box 17. Temperature sensors 22 are installed on the inner walls of the temperature control box 17 on both sides of the porous catalyst 20.
[0030] When in use, the temperature sensor 22 and the heating tube 21 are arranged to control the temperature inside the temperature control box 17;
[0031] A porous catalyst 20 is provided inside the temperature control box 17. An air outlet 19 is provided on one side of the bottom end of the temperature control box 17. The bottom end of the air outlet 19 extends to the outside of the conversion box 15. A porous water-absorbing drying layer 16 is provided inside the conversion box 15 at the top of the temperature control box 17. An air inlet 18 is provided on one side of the top of the temperature control box 17. The top end of the air inlet 18 extends to the inside of the porous water-absorbing drying layer 16. An air inlet pipe 14 is provided at the center position of the top of the conversion box 15. The top end of the air inlet pipe 14 extends to the outside of the conversion box 15 and is installed with an air injection pipe 7. The top end of the gas injection pipe 7 extends to the outside of the converter body 1, and an axle seat 8 is provided on the outer wall of one side of the gas injection pipe 7. A base 9 is provided on the outer wall of the gas injection pipe 7 on the side of the axle seat 8. A lifting drive member 10 is rotatably installed on the inner wall of the base 9, and a driving arm 11 is rotatably installed on one end of the lifting drive member 10. A rotating shaft 12 is rotatably installed inside the gas injection pipe 7, and one end of the rotating shaft 12 passes through the axle seat 8 and is connected to one end of the driving arm 11. A circular plate 13 is installed on the outer wall of the rotating shaft 12, and the outer wall of the circular plate 13 touches the inner wall of the gas injection pipe 7.
[0032] When the embodiment of the present application is used, the acetylene and hydrogen chloride mixed gas is first injected into the conversion box 15 through the gas injection pipe 7 and the air inlet pipe 14, and then the mixed gas passes through the porous water-absorbing drying layer 16 and flows into the temperature control box 17 through the air inlet 18. During this process, the porous water-absorbing drying layer 16 absorbs and filters the moisture in the mixed gas to reduce the water content in the mixed gas. The interior of the temperature control box 17 is then heated by the heating tube 21, and the temperature inside the temperature control box 17 is monitored by the temperature sensor 22. The power of the heating tube 21 can be used to control the temperature of the interior of the temperature control box 17. When the mixed gas passes through the porous catalyst 20, the acetylene gas is converted into vinyl chloride, and the converted vinyl chloride can be discharged from the outlet 19 and the exhaust port 23, that is, The conversion of vinyl chloride can be completed, and then the rotating shaft 12 is driven to rotate by the lifting drive member 10 through the driving arm 11, so that the rotating shaft 12 drives the circular plate 13 to rotate, and the opening and closing size of the gas injection pipe 7 can be adjusted to adjust the injection rate of the mixed gas as needed according to the conversion requirements. Finally, through the arrangement of multiple reinforcing plates 2, and the first reinforcing ribs 3 and the second reinforcing ribs 4 are respectively arranged between adjacent reinforcing plates 2, and the reinforcing plates 2 and the circular rings 6 are reinforced and connected by support rods 5, the overall structural strength of the converter can be improved, and the converter body 1 can be firmly supported and placed by several support rods 5. In addition, the converter is electrically connected to an external terminal so that personnel can operate the terminal to operate and use the converter, thereby completing the use of the converter.
Claims
1. A converter capable of improving VCM conversion rate, characterized by: The invention comprises a converter body (1), wherein a converter box (15) is provided inside the converter body (1), a temperature control box (17) is provided at a central position inside the converter box (15), a porous catalyst (20) is provided inside the temperature control box (17), an air outlet (19) is provided on one side of the bottom end of the temperature control box (17), the bottom end of the air outlet (19) extends to the outside of the converter box (15), a porous water-absorbing drying layer (16) is provided inside the converter box (15) at the top end of the temperature control box (17), an air inlet (18) is provided on one side of the top end of the temperature control box (17), the top end of the air inlet (18) extends to the inside of the porous water-absorbing drying layer (16), an air inlet pipe (14) is provided at a central position on the top end of the converter box (15), and the air inlet pipe (14) The top of the gas injection pipe (7) extends to the outside of the conversion box (15) and is installed with a gas injection pipe (7), the top of the gas injection pipe (7) extends to the outside of the converter body (1), an axle seat (8) is provided on the outer wall of one side of the gas injection pipe (7), a base (9) is provided on the outer wall of the gas injection pipe (7) on one side of the axle seat (8), a lifting drive member (10) is rotatably installed on the inner wall of the base (9), a driving arm (11) is rotatably installed on one end of the lifting drive member (10), a rotating shaft (12) is rotatably installed inside the gas injection pipe (7), one end of the rotating shaft (12) passes through the axle seat (8) and is connected to one end of the driving arm (11), a circular plate (13) is installed on the outer wall of the rotating shaft (12), and the outer wall of the circular plate (13) touches the inner wall of the gas injection pipe (7).
2. A converter capable of improving VCM conversion rate according to claim 1, characterized in that: A plurality of reinforcing plates (2) are fixed on the outer wall of the converter body (1), and a circular ring (6) is provided on the outer wall of the lower end of the converter body (1).
3. A converter capable of improving VCM conversion rate according to claim 2, characterized in that: The bottom end of each reinforcing plate (2) is provided with a support rod (5), and one end of the support rod (5) away from the reinforcing plate (2) is fixedly connected to the outer wall of the ring (6).
4. A converter capable of improving VCM conversion rate according to claim 2, characterized in that: First reinforcing ribs (3) are provided on the inner walls between the reinforcing plates (2), and second reinforcing ribs (4) are provided on the inner walls between adjacent reinforcing plates (2) below the first reinforcing ribs (3).
5. The converter capable of improving VCM conversion rate according to claim 2, characterized in that: An exhaust port (23) is provided at the bottom of the converter body (1) inside the ring (6), and the top end of the exhaust port (23) extends to the interior of the converter body (1).
6. The converter capable of improving VCM conversion rate according to claim 1, characterized in that: Heating tubes (21) are installed on the inner walls of both sides of the temperature control box (17), and temperature sensors (22) are installed on the inner walls of the temperature control box (17) on both sides of the porous catalyst (20).
Citation Information
Patent Citations
Temperature control type converter capable of improving VCM conversion rate
CN219540256U