Advanced solid catalyst preparation system for ethylene carbonate

By designing a solid catalyst configuration system including a feed silo, a double cone mixer, a vacuum loader, a nitrogen main pipe and a compressed air pipe, the problems of manual handling and air isolation in the existing system are solved, and efficient catalyst configuration and loading process is achieved.

CN119549056APending Publication Date: 2025-03-04GUANGDONG ZHONGJIE JINGCHUANG CHEM CO LTD
View PDF 0 Cites 1 Cited by

Patent Information

Application Number
CN202510059971.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2025-03-04

AI Technical Summary

Technical Problem

The existing solid catalyst configuration system requires manual handling and loading, and cannot effectively isolate the air, causing moisture to enter the catalyst kettle.

Method used

A solid catalyst configuration system including a feed silo, a double cone mixer, a vacuum loader, a nitrogen main pipe and a compressed air pipe was designed to isolate the air with nitrogen protection, and the solid catalyst was sucked onto a 12-meter-layer platform through a vacuum pump for mixing and loading, instead of manual handling.

Benefits of technology

It is achieved to isolate air under nitrogen protection when strengthening the catalyst, prevent moisture from entering the catalyst kettle, and continuously mechanical loading is achieved through vacuum loading, improving efficiency and reducing the need for manual operation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119549056A_ABST
    Figure CN119549056A_ABST
Patent Text Reader

Abstract

The invention relates to the field of chemical production, and discloses an advanced solid catalyst preparation system for ethylene carbonate, which comprises a feeding bin, a double-cone mixer, a vacuum feeding machine, a nitrogen main pipe and a compressed air pipe, a first nitrogen branch pipe is fixedly communicated between the right side of the upper surface of the feeding bin and the nitrogen main pipe, a discharging opening butterfly valve is fixedly installed at the bottom of the feeding bin, and a second nitrogen branch pipe is fixedly communicated with the position, located on the left side of the first nitrogen branch pipe, of the outer side wall of the nitrogen main pipe. Air can be isolated to prevent moisture from entering a catalyst kettle under the protection of nitrogen when solid catalysts are added, two solid catalysts are arranged to be sucked to a platform with the layer of 12 m through a ground feeding hopper and a vacuum pump to enter a double-cone mixer, the two solid catalysts are mixed through the double-cone mixer and then enter a catalyst preparation kettle, manual carrying is replaced, and continuous mechanical feeding is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention relates to the field of chemical production, and more specifically to an advanced solid catalyst configuration system for ethylene carbonate. Background Art

[0002] Ethylene carbonate is an excellent organic solvent that can dissolve a variety of polymers and has many excellent properties. It can be used as an organic intermediate to replace ethylene oxide in dioxygenation reactions. It is also the main raw material for producing dimethyl carbonate by transesterification. It can also be used as a synthetic water glass slurry, fiber finishing agent, etc. In industrial production, it can also be used as an active intermediate for the production of lubricating oils and greases. It has huge market potential.

[0003] The existing solid catalyst configuration requires manual handling and loading, and cannot effectively isolate the air. In order to facilitate the configuration of solid catalysts, we have proposed a system that can isolate the air and prevent moisture from entering the catalyst kettle under nitrogen protection when adding solid catalysts. Two solid catalysts are sucked from the ground hopper onto a 12-meter platform into a double-cone mixer by a vacuum pump. After being mixed in the double-cone mixer, they enter the catalyst preparation kettle. Nitrogen protection is used to isolate the air and replace manual handling for continuous mechanical loading. Summary of the invention

[0004] The main technical problem solved by the present invention is to provide an advanced solid catalyst configuration system for ethylene carbonate, which can solve the problem that the existing solid catalyst configuration requires manual loading and cannot be effectively isolated from the air.

[0005] To solve the above technical problems, according to one aspect of the present invention, more specifically, an advanced solid catalyst configuration system for ethylene carbonate includes a feeding bin, a double-cone mixer, a vacuum feeder, a nitrogen main pipe and a compressed air pipe. A feeding port butterfly valve is integrally formed on the top of the feeding bin, a nitrogen branch pipe 1 is fixedly connected between the right side of the upper surface of the feeding bin and the nitrogen main pipe, a discharge port butterfly valve is fixedly installed on the bottom of the feeding bin, an outer side wall of the nitrogen main pipe is located on the left side of the nitrogen branch pipe 1 and is fixedly connected with a nitrogen branch pipe 2, an end of the nitrogen branch pipe 2 away from the nitrogen main pipe is connected to the input end of the double-cone mixer, and the outer side wall of the nitrogen branch pipe 2 is connected to the input end of the discharge port butterfly valve. The outer wall of the nitrogen branch pipe 2 is located on the left side of the discharge port butterfly valve, and a pre-feed pneumatic valve is fixedly installed thereon. The input end of the pre-feed pneumatic valve is fixedly connected to the outer wall of the compressed air pipe. A vacuum discharge butterfly valve is integrally formed at the bottom of the double-cone mixer. A transmission motor is fixedly installed on the right side of the double-cone mixer. The outer wall of the nitrogen main pipe is located on the right side of the double-cone mixer, and is fixedly connected with nitrogen branch pipes 3 and 4 from left to right in sequence. The bottom end of the nitrogen branch pipe 4 is fixedly connected to the top of the vacuum feeder, and the bottom end of the nitrogen branch pipe 3 is connected to the output end of the double-cone mixer. A post-feed pneumatic valve is fixedly connected between the output end of the double-cone mixer and the input end of the vacuum feeder.

[0006] Furthermore, a vortex pump is fixedly connected to the left side of the upper surface of the feeding bin.

[0007] Furthermore, a silo nitrogen valve and a silo pressure gauge are fixedly installed on the outer side wall of the nitrogen branch pipe 1.

[0008] Furthermore, the outer wall of the feeding bin is provided with a collar, the front surface of the collar is fixedly connected with a rotating connection piece 1, the inner side of the rotating connection piece 1 is rotatably connected with a traction rod via a rotating shaft, the left end of the traction rod is rotatably connected with a rotating connection piece 2 via a rotating shaft, the left side of the rotating connection piece 2 is fixedly connected with a piston plate, the outer wall of the piston plate is slidably connected with an air pressure box 1, a plurality of springs 1 are fixedly connected between the air pressure box 1 and the piston plate, the front surface of the air pressure box 1 is fixedly connected with an extrusion motor, the rear end of the output shaft of the extrusion motor is located inside the air pressure box 1 and is fixedly connected with a cam, a tooth groove is provided in front of the cam, the inner left side of the air pressure box 1 is fixedly connected with an air pressure box 2, the inner side of the air pressure box 2 is slidably connected with a piston sheet, a plurality of springs 2 are fixedly connected between the piston sheet and the air pressure box 2, and the right side of the piston sheet The cam is fixedly connected with an L-shaped hook rod, and one end of the L-shaped hook rod away from the air pressure box 2 extends to the inner side of the tooth groove and is meshed with the tooth groove. Sliding openings are provided on both sides of the ring, and an air cavity is provided at the lower part of the inner part of the ring. A ventilation hose is fixedly connected between the air cavity and the air pressure box 2. A hollow tube is fixedly connected to the inside of the sliding opening, and a piston block is slidably connected to the inside of the hollow tube, and the hollow tube is communicated with the air cavity. A traction opening is provided on the outer wall of the hollow tube, and an L-shaped pull rod is fixedly connected to the upper surface of the piston block, and one end of the L-shaped pull rod away from the piston block passes through the traction opening and is fixedly connected to a fixing frame, and the two fixing frames are fixedly connected with the active air hammer and the spare air hammer at one end away from the two traction openings, respectively, and the input ends of the active air hammer and the spare air hammer are fixedly connected to the outer wall of the compressed air pipe.

[0009] Furthermore, a frequency converter is fixedly installed at the lower right side of the double-cone mixer.

[0010] Furthermore, a feeding nitrogen valve is fixedly installed on the outer side wall of the nitrogen branch pipe 4.

[0011] Furthermore, a mixer nitrogen valve is fixedly installed on the outer wall of the nitrogen branch pipe three.

[0012] Furthermore, a mixer pressure gauge is fixedly installed on the right side of the outer side wall of the post-feed pneumatic valve.

[0013] Furthermore, the interior of the post-feed pneumatic valve is communicated with the interior of the compressed air pipe.

[0014] The beneficial effects of the advanced solid catalyst configuration system for ethylene carbonate of the present invention are:

[0015] By setting it up, the solid catalyst can be added under nitrogen protection, isolating the air and preventing moisture from entering the catalyst kettle;

[0016] By setting up two solid catalysts from the ground hopper, the vacuum pump is used to suck them up to the 12-meter platform into the double cone mixer, and then they are mixed in the double cone mixer and enter the catalyst preparation kettle, which replaces manual handling and realizes continuous mechanical loading;

[0017] If the powder in the feeding bin is not discharged smoothly, the active air hammer or the spare air hammer can be opened to make the discharge smooth. When in use, the air pressure box 1 is fixed to the corresponding position on the feeding bin by bolts, and then the extrusion motor is started to drive the cam to rotate, and the sleeve is driven by the traction rod to move back and forth along the outer wall of the feeding bin, thereby increasing the knocking range. While the cam rotates, the air pressure box 2 can repeatedly inflate and exhaust air toward the inside of the air cavity through the cooperation of the tooth groove and the L-shaped hook rod, and then drive the piston block to slide back and forth along the inside of the hollow tube, thereby driving the active air hammer and the spare air hammer to move back and forth along the sliding port, further expanding the knocking vibration range, and being more conducive to auxiliary material discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0019] Figure 1 This is a schematic diagram of the connection structure of a feeding bin, a compressed air pipe and a nitrogen main pipe of an advanced solid catalyst configuration system for ethylene carbonate of the present invention;

[0020] Figure 2 This is a schematic diagram of the connection structure of a double-cone mixer, a vacuum feeder, a nitrogen main pipe and a compressed air pipe of an advanced solid catalyst configuration system for ethylene carbonate of the present invention;

[0021] Figure 3 It is a schematic diagram of the connection structure of a collar, an active air hammer and a passive air hammer of an advanced solid catalyst configuration system for ethylene carbonate of the present invention;

[0022] Figure 4 It is a schematic diagram of the cross-sectional connection structure of a collar, an active air hammer and a passive air hammer of an advanced solid catalyst configuration system for ethylene carbonate of the present invention;

[0023] Figure 5 It is a schematic diagram of the cross-sectional connection structure of a gas pressure box 1, a gas pressure box 2 and an extrusion motor of an advanced solid catalyst configuration system for ethylene carbonate of the present invention;

[0024] Figure 6 The present invention is a schematic cross-sectional view of a hollow tube of an advanced solid catalyst configuration system for ethylene carbonate.

[0025] In the figure: 1. Feeding bin; 2. Double cone mixer; 3. Vacuum feeder; 4. Nitrogen main pipe; 5. Compressed air pipe; 6. Feeding port butterfly valve; 7. Vortex pump; 8. Nitrogen branch pipe 1; 9. Nitrogen valve in silo; 10. Silo pressure gauge; 11. Discharge port butterfly valve; 12. Active air hammer; 13. Spare air hammer; 14. Nitrogen branch pipe 2; 15. Pneumatic valve before feeding; 16. Vacuum discharge butterfly valve; 17. Transmission motor; 18. Frequency converter; 19. Nitrogen branch pipe 3; 20. Nitrogen branch pipe 4; 21. Feeding nitrogen valve; 22. Mixer nitrogen valve; 23, pneumatic valve after feeding; 24, mixer pressure gauge; 25, sleeve ring; 26, rotating connection piece 1; 27, traction rod; 28, rotating connection piece 2; 29, piston plate; 30, air pressure box 1; 31, spring 1; 32, extrusion motor; 33, cam; 34, tooth groove; 35, air pressure box 2; 36, piston plate; 37, spring 2; 38, L-shaped hook rod; 39, sliding port; 40, air cavity; 41, ventilation hose; 42, hollow tube; 43, piston block; 44, traction port; 45, L-shaped pull rod; 46, fixing bracket. DETAILED DESCRIPTION

[0026] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0027] According to one aspect of the present invention, Figure 1-6 As shown, an advanced solid catalyst configuration system for ethylene carbonate is provided, including a feeding bin 1, a double cone mixer 2, a vacuum feeder 3, a nitrogen main pipe 4 and a compressed air pipe 5. A feeding port butterfly valve 6 is integrally formed on the top of the feeding bin 1. A nitrogen branch pipe 1 8 is fixedly connected between the right side of the upper surface of the feeding bin 1 and the nitrogen main pipe 4. A discharge port butterfly valve 11 is fixedly installed at the bottom of the feeding bin 1. The outer wall of the nitrogen main pipe 4 is located on the left side of the nitrogen branch pipe 1 8 and is fixedly connected with a nitrogen branch pipe 2 14. The end of the nitrogen branch pipe 2 14 away from the nitrogen main pipe 4 is connected to the input end of the double cone mixer 2. The outer wall of the nitrogen branch pipe 2 14 is connected to the input end of the discharge port butterfly valve 11. The outer wall of the nitrogen branch pipe 2 14 is connected to the input end of the discharge port butterfly valve 11. A pre-feed pneumatic valve 15 is fixedly installed on the wall to the left of the discharge port butterfly valve 11, and the input end of the pre-feed pneumatic valve 15 is fixedly connected to the outer wall of the compressed air pipe 5. A vacuum discharge butterfly valve 16 is integrally formed at the bottom of the double-cone mixer 2, and a transmission motor 17 is fixedly installed on the right side of the double-cone mixer 2. The outer wall of the nitrogen main pipe 4 is located on the right side of the double-cone mixer 2, and is fixedly connected with nitrogen branch pipe three 19 and nitrogen branch pipe four 20 from left to right in sequence. The bottom end of the nitrogen branch pipe four 20 is fixedly connected to the top of the vacuum feeder 3, and the bottom end of the nitrogen branch pipe three 19 is connected to the output end of the double-cone mixer 2. A post-feed pneumatic valve 23 is fixedly connected between the output end of the double-cone mixer 2 and the input end of the vacuum feeder 3;

[0028] Open the feeding port butterfly valve 6 of the feeding bin 1, close the feeding port butterfly valve 11 of the feeding bin 1, open the pneumatic valve 15 before feeding, close the nitrogen valve 9 of the silo at the nitrogen replenishing port, put the materials to be mixed into the feeding bin 1, close the pneumatic valve 15 before feeding, open the nitrogen valve 9 of the silo at the nitrogen replenishing port, and make the pressure in the feeding bin 1 not exceed 0.01Mpa, open the pneumatic valve 15 before feeding and the pneumatic valve 23 after feeding, keep the nitrogen valve 22 of the mixer closed, start the vortex pump 7, open the feeding port butterfly valve 11, and control the opening and closing degree of the butterfly valve 11 of the feeding port according to the pressure display to ensure the normal transportation of the powder. If the powder in the feeding bin 1 is not discharged smoothly, open the active air hammer 12 to make the discharge smooth. After adding a certain amount of material, close the vortex pump 7, and close the pneumatic valve 15 before feeding and the pneumatic valve 23 after feeding. The pneumatic valve 23 is turned on and the transmission motor 17 is turned on to start the operation. After the materials have been mixed to meet the requirements, the transmission motor 17 can be turned off. Through the frequency converter 18, the discharge port of the double cone mixer 2 is made to face vertically downward. After the barrel of the double cone mixer 2 stops rotating, the vacuum unloading butterfly valve 16 is opened to pour out the materials. The nitrogen valve 22 for nitrogen replenishment next to the vacuum port of the double cone mixer 2 can be opened from time to time according to the actual needs of the process to keep the nitrogen pressure not greater than 0.01Mpa. When the nitrogen valve 22 of the mixer is opened, the pneumatic valve 15 before the inlet and outlet of the double cone mixer 2 and the pneumatic valve 23 after the feeding are kept closed. Finally, the materials are transferred to the vacuum feeder 3 for feeding. The feeding nitrogen valve 21 can be controlled to open or close to introduce nitrogen into the vacuum feeder 3.

[0029] In this embodiment, a vortex pump 7 is fixedly connected to the left side of the upper surface of the feeding bin 1;

[0030] It has a conveying effect.

[0031] In this embodiment, the outer wall of the nitrogen branch pipe 8 is fixedly installed with a silo nitrogen valve 9 and a silo pressure gauge 10;

[0032] The silo nitrogen valve 9 controls whether nitrogen is introduced into the nitrogen branch pipe 8, and the silo pressure gauge 10 is used to monitor the silo pressure.

[0033] In this embodiment, the outer wall of the feeding bin 1 is provided with a collar 25, and a rotating connecting piece 26 is fixedly connected to the front surface of the collar 25, and a traction rod 27 is rotatably connected to the inner side of the rotating connecting piece 26 through a rotating shaft, and the left end of the traction rod 27 is rotatably connected to a rotating connecting piece 28 through a rotating shaft, and a piston plate 29 is fixedly connected to the left side of the rotating connecting piece 28, and an air pressure box 30 is slidably connected to the outer wall of the piston plate 29, and a plurality of springs 31 are fixedly connected between the air pressure box 30 and the piston plate 29, and an extrusion motor 32 is fixedly connected to the front surface of the air pressure box 30, and a cam 33 is fixedly connected to the rear end of the output shaft of the extrusion motor 32 inside the air pressure box 30, and a tooth groove 34 is provided in front of the cam 33, and an air pressure box 2 35 is fixedly connected to the left side of the air pressure box 30, and a piston plate 36 is slidably connected to the inside of the air pressure box 25, and a plurality of springs 2 37 are fixedly connected between the piston plate 36 and the air pressure box 2 35, and the piston plate An L-shaped hook rod 38 is fixedly connected to the right side of the air pressure box 36. One end of the L-shaped hook rod 38 away from the air pressure box 35 extends to the inner side of the tooth groove 34 and is meshed with the tooth groove 34. Sliding openings 39 are provided on both sides of the collar 25. An air cavity 40 is provided at the lower part of the collar 25. A ventilation hose 41 is fixedly connected between the air cavity 40 and the air pressure box 35. A hollow tube 42 is fixedly connected to the inside of the sliding opening 39. A piston block 43 is slidably connected to the inside of the hollow tube 42. The hollow tube 4 2 is connected to the air cavity 40, a traction port 44 is opened on the outer wall of the hollow tube 42, an L-shaped pull rod 45 is fixedly connected to the upper surface of the piston block 43, one end of the L-shaped pull rod 45 away from the piston block 43 passes through the traction port 44, and is fixedly connected to a fixing frame 46, and the two fixing frames 46 are respectively fixedly connected to the active air hammer 12 and the standby air hammer 13 at one end away from the two traction ports 44, and the input ends of the active air hammer 12 and the standby air hammer 13 are fixedly connected to the outer wall of the compressed air pipe 5;

[0034] If the powder in the feeding bin 1 is not discharged smoothly, the active air hammer 12 or the spare air hammer 13 can be opened to make the discharge smooth. When in use, the air pressure box 30 is fixed to the corresponding position on the feeding bin 1 by bolts, and then the extrusion motor 32 is started to drive the cam 33 to rotate, and the ring 25 is driven to move back and forth along the outer wall of the feeding bin 1 through the traction rod 27, thereby increasing the knocking range. While the cam 33 rotates, the air pressure box 2 35 can repeatedly inflate and evacuate the air cavity 40 through the cooperation of the tooth groove 34 and the L-shaped hook rod 38, and then drive the piston block 43 to slide back and forth along the inside of the hollow tube 42, thereby driving the active air hammer 12 and the spare air hammer 13 to move back and forth along the sliding port 39, further expanding the knocking vibration range, and being more conducive to auxiliary discharge.

[0035] In this embodiment, a frequency converter 18 is fixedly installed at the lower right side of the double cone mixer 2;

[0036] The discharge port of the double cone mixer 2 is made to face vertically downward. After the barrel of the double cone mixer 2 stops rotating, the vacuum discharge butterfly valve 16 is opened to pour out the material.

[0037] In this embodiment, a nitrogen feeding valve 21 is fixedly installed on the outer wall of the nitrogen branch pipe 20;

[0038] Control the nitrogen branch pipe 4 20 to allow nitrogen to flow in.

[0039] In this embodiment, a mixer nitrogen valve 22 is fixedly installed on the outer wall of the nitrogen branch pipe 3 19;

[0040] Control nitrogen branch pipe three 19 to allow nitrogen to flow in.

[0041] In this embodiment, a mixer pressure gauge 24 is fixedly installed on the right side of the outer wall of the pneumatic valve 23 after feeding;

[0042] Used to monitor the internal pressure of double cone mixer 2.

[0043] In this embodiment, the interior of the pneumatic valve 23 is connected to the interior of the compressed air pipe 5 after feeding;

[0044] The pneumatic valve 23 is opened and closed after controlling the feeding.

[0045] The working principle of the device is: open the butterfly valve 6 of the feeding port of the feeding bin 1, close the butterfly valve 11 of the feeding port of the feeding bin 1, open the pneumatic valve 15 before feeding, close the nitrogen valve 9 of the silo at the nitrogen replenishing port, put the material to be mixed into the feeding bin 1, close the pneumatic valve 15 before feeding, open the nitrogen valve 9 of the silo at the nitrogen replenishing port, and make the pressure in the feeding bin 1 not exceed 0.01Mpa, open the pneumatic valve 15 before feeding and the pneumatic valve 23 after feeding, keep the nitrogen valve 22 of the mixer closed, start the vortex pump 7, open the butterfly valve 11 of the feeding port, and control the opening and closing degree of the butterfly valve 11 of the feeding port according to the pressure display to ensure the normal transportation of the powder. If the powder in the feeding bin 1 is not discharged smoothly, the active air hammer 12 can be opened to make the discharge smooth. After adding a certain amount of material, the vortex pump 7 is closed, and the pneumatic valve 15 before feeding is closed. After the pneumatic valve 23 is turned on and the feeding is completed, the transmission motor 17 is turned on, and the operation can be started. After the materials have been mixed to meet the requirements, the transmission motor 17 can be turned off, and the discharge port of the double-cone mixer 2 is made vertically downward through the frequency converter 18. After the barrel of the double-cone mixer 2 stops rotating, the vacuum unloading butterfly valve 16 is opened to pour out the materials. The nitrogen valve 22 for nitrogen replenishment next to the vacuum port of the double-cone mixer 2 can be opened from time to time according to the actual needs of the process to keep the nitrogen pressure not greater than 0.01Mpa, and when the nitrogen valve 22 of the mixer is opened, the pneumatic valve 15 before the feeding inlet and outlet of the double-cone mixer 2 and the pneumatic valve 23 after the feeding are kept closed, and finally the materials are transferred to the vacuum feeder 3 for feeding, and the feeding nitrogen valve 21 can be controlled to open or close to introduce nitrogen into the vacuum feeder 3.

[0046] The electrical components that appear in this article are all electrical components that exist in reality.

[0047] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention also fall within the protection scope of the present invention.

Claims

1. An advanced solid catalyst configuration system for ethylene carbonate, comprising a feeding bin (1), a double cone mixer (2), a vacuum feeder (3), a nitrogen main pipe (4) and a compressed air pipe (5), characterized in that: A feeding port butterfly valve (6) is integrally formed on the top of the feeding bin (1); a nitrogen branch pipe 1 (8) is fixedly connected between the right side of the upper surface of the feeding bin (1) and the nitrogen main pipe (4); a feeding port butterfly valve (11) is fixedly installed on the bottom of the feeding bin (1); a nitrogen branch pipe 2 (14) is fixedly connected to the left of the nitrogen branch pipe 1 (8) on the outer wall of the nitrogen main pipe (4); an end of the nitrogen branch pipe 2 (14) away from the nitrogen main pipe (4) is connected to the input end of the double cone mixer (2); the outer wall of the nitrogen branch pipe 2 (14) is connected to the input end of the feeding port butterfly valve (11); a pre-feed pneumatic valve (15) is fixedly installed on the outer wall of the nitrogen branch pipe 2 (14) located on the left of the feeding port butterfly valve (11); The input end of the pre-feeding pneumatic valve (15) is fixedly connected to the outer wall of the compressed air pipe (5); a vacuum unloading butterfly valve (16) is integrally formed at the bottom of the double-cone mixer (2); a transmission motor (17) is fixedly installed on the right side of the double-cone mixer (2); the outer wall of the nitrogen main pipe (4) is located on the right side of the double-cone mixer (2) and is fixedly connected to a nitrogen branch pipe three (19) and a nitrogen branch pipe four (20) from left to right in sequence; the bottom end of the nitrogen branch pipe four (20) is fixedly connected to the top of the vacuum feeder (3); the bottom end of the nitrogen branch pipe three (19) is connected to the output end of the double-cone mixer (2); and a post-feeding pneumatic valve (23) is fixedly connected between the output end of the double-cone mixer (2) and the input end of the vacuum feeder (3).

2. The advanced solid catalyst configuration system for ethylene carbonate according to claim 1, characterized in that: A vortex pump (7) is fixedly connected to the left side of the upper surface of the feeding bin (1).

3. The advanced solid catalyst configuration system for ethylene carbonate according to claim 1, characterized in that: A silo nitrogen valve (9) and a silo pressure gauge (10) are fixedly mounted on the outer side wall of the nitrogen branch pipe 1 (8).

4. The advanced solid catalyst configuration system for ethylene carbonate according to claim 1, characterized in that: The outer wall of the feeding bin (1) is sleeved with a collar (25), the front surface of the collar (25) is fixedly connected with a rotating connection piece (26), the inner side of the rotating connection piece (26) is rotatably connected with a traction rod (27) via a rotating shaft, the left end of the traction rod (27) is rotatably connected with a rotating connection piece (28) via a rotating shaft, the left side of the rotating connection piece (28) is fixedly connected with a piston plate (29), the outer wall of the piston plate (29) is slidably connected with an air pressure box (30), a plurality of springs (31) are fixedly connected between the air pressure box (30) and the piston plate (29), The front surface of the air pressure box 1 (30) is fixedly connected to an extrusion motor (32), the rear end of the output shaft of the extrusion motor (32) is located inside the air pressure box 1 (30) and is fixedly connected to a cam (33), a tooth groove (34) is provided in front of the cam (33), the left side of the inside of the air pressure box 1 (30) is fixedly connected to an air pressure box 2 (35), the inside of the air pressure box 2 (35) is slidably connected to a piston plate (36), a plurality of springs 2 (37) are fixedly connected between the piston plate (36) and the air pressure box 2 (35), and an L-shaped hook rod is fixedly connected to the right side of the piston plate (36) (38), one end of the L-shaped hook rod (38) away from the air pressure box (35) extends to the inner side of the tooth groove (34) and is meshed with the tooth groove (34), sliding openings (39) are provided on both sides of the collar (25), an air cavity (40) is provided at the lower part of the collar (25), a ventilation hose (41) is fixedly connected between the air cavity (40) and the air pressure box (35), a hollow tube (42) is fixedly connected inside the sliding opening (39), a piston block (43) is slidably connected inside the hollow tube (42), and the hollow tube (42) and the air cavity (41) are connected to each other. 0), a traction port (44) is provided on the outer side wall of the hollow tube (42), an L-shaped pull rod (45) is fixedly connected to the upper surface of the piston block (43), one end of the L-shaped pull rod (45) away from the piston block (43) passes through the traction port (44) and is fixedly connected to a fixing frame (46), and one end of the two fixing frames (46) away from the two traction ports (44) are respectively fixedly connected to the active air hammer (12) and the standby air hammer (13), and the input ends of the active air hammer (12) and the standby air hammer (13) are fixedly connected to the outer side wall of the compressed air pipe (5).

5. The advanced solid catalyst configuration system for ethylene carbonate according to claim 1, characterized in that: A frequency converter (18) is fixedly installed at the lower right side of the double-cone mixer (2).

6. The advanced solid catalyst configuration system for ethylene carbonate according to claim 1, characterized in that: A nitrogen loading valve (21) is fixedly mounted on the outer side wall of the nitrogen branch pipe four (20).

7. The advanced solid catalyst configuration system for ethylene carbonate according to claim 1, characterized in that: A mixer nitrogen valve (22) is fixedly mounted on the outer side wall of the nitrogen branch pipe three (19).

8. The advanced solid catalyst configuration system for ethylene carbonate according to claim 1, characterized in that: A mixer pressure gauge (24) is fixedly mounted on the right side of the outer side wall of the post-feed pneumatic valve (23).

9. The advanced solid catalyst configuration system for ethylene carbonate according to claim 1, characterized in that: The interior of the post-feed pneumatic valve (23) is communicated with the interior of the compressed air pipe (5).

Citation Information

Cited By

  • Artificial graphite negative electrode material coating production control system and control method based on DCS control

    CN120428665A