Gas cooling device for solvent recovery

Abstract

The utility model relates to the technical field of solvent recovery, in particular to a gas cooling device for solvent recovery, which comprises a cylinder body, the top and the bottom of the cylinder body are fixedly connected with a shell through bolts and nuts, the top and the bottom of the inner wall of the cylinder body are welded with clapboards, and the opposite sides of the two clapboards are fixedly connected with a cooling pipe in a penetrating and embedding manner. The surface of the cooling pipe is fixedly sleeved with an inclined baffle, and the surface of the inclined baffle is welded to the inner wall of the barrel. The gear rotates by controlling operation of the motor, then the two toothed plates are driven to move oppositely, the connecting plates are made to be close to each other, the vertical rods, the fixing rods and the scraping rings on the connecting plates are made to move towards the middle, and the scraping rings are inserted into the cooling pipe to clean the inner wall of the cooling pipe. Therefore, the device has the advantage of being capable of removing scale on the inner wall of the cooling pipe used for a long time, effectively preventing the scale from affecting the heat transfer effect, and improving the cooling efficiency of solvent recovery gas.

Description

Technical Field

[0001] The utility model relates to the technical field of solvent recovery, in particular to a gas cooling device for solvent recovery. Background Art

[0002] Solvent recovery is to heat the solvent to be recovered by distillation in a distillation kettle, lower its boiling point under negative pressure, and then vaporize the solvent. Finally, it is condensed into liquid through a condenser to achieve the purpose of distillation recovery.

[0003] After searching, the patent number is CN215691782U, and the name is a utility model of an organic solvent condensation recovery device, which includes a condensation cylinder, an organic solvent inlet, a gas discharge port, a cooler and an organic solvent discharge port. Through research and analysis, it is found that although it has the advantage of increasing the heat exchange area of ​​the cooler, it still has the following disadvantages to a certain extent.

[0004] For example, the solvent gas has a short retention time in the cooling device, and cannot be guided multiple times to improve the cooling effect. It is also inconvenient to clean the cooling pipe. The inner wall of the cooling pipe is prone to scale adhesion after long-term use, which affects heat transfer and reduces the heat exchange cooling effect. In order to solve the above technical problems, we have designed a gas cooling device for solvent recovery. Utility Model Content

[0005] The utility model aims to provide a gas cooling device for solvent recovery, which has the advantages of good gas cooling effect and cleaning of the inner wall of the cooling tube, solves the problem that the solvent gas has a short retention time in the cooling device, cannot be guided multiple times to improve the cooling effect, is inconvenient to clean the inside of the cooling tube, and scale is easily attached to the inner wall of the cooling tube after long-term use, thereby affecting heat transfer.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas cooling device for solvent recovery, comprising a cylinder, the top and bottom of the cylinder are fixedly connected to a shell by bolts and nuts, the top and bottom of the inner wall of the cylinder are welded with partitions, and cooling pipes are fixedly embedded and connected through the opposite sides of the two partitions, and the surface of the cooling pipe is fixedly sleeved with an inclined baffle, and the surface of the inclined baffle is welded to the inner wall of the cylinder, a scraping mechanism is installed on the surface of the shell, and a driving mechanism is installed on the surface of the cylinder, and the driving mechanism includes a connecting plate.

[0007] Preferably, the scraping mechanism includes vertical rods, and the number of the vertical rods is several, and they are respectively arranged to penetrate the surfaces of the upper and lower shells, and the end of the vertical rod away from the shell is fixedly connected to a connecting ring, and the surface of the vertical rod away from the connecting ring is fixedly connected to a fixing rod, and the two ends of the fixing rod are fixedly connected to the scraping ring, and the back side of the connecting ring is fixedly connected to the front end of the connecting plate.

[0008] Preferably, the driving mechanism includes two tooth plates, one end of which is fixedly connected to the surface of the rear end of the connecting plate, the back of the cylinder is fixedly connected to a motor via a support, the rotating shaft of the motor is fixedly connected to a gear, and the gear is meshed with the tooth plate.

[0009] Preferably, the top of the left side of the cylinder is connected to an air inlet pipe, and the bottom of the right side of the cylinder is connected to a liquid outlet pipe.

[0010] Preferably, the bottom of the lower shell is connected to a water inlet pipe, and the top of the upper shell is connected to a water outlet pipe.

[0011] Preferably, a sleeve plate is fixedly sleeved on the bottom of the cylinder surface, legs are welded on the surface of the sleeve plate, an observation window is fixedly inlaid on the front of the cylinder, a sealing ring is provided between the vertical rod and the shell, and the sealing ring is sleeved on the surface of the vertical rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model connects the water inlet pipe and the water outlet pipe to the external water pipe to keep the water flowing through the cooling pipe, connects the solvent gas to the air inlet pipe through the pipe, connects the collecting device to the liquid outlet pipe through the pipe, the solvent gas enters the cylinder, contacts with the cooling pipe through the multiple guidance of the inclined baffle plate to be cooled and condensed into liquid, and the inclined design of the inclined baffle plate facilitates the flow of the solvent liquid, and then it is discharged and collected from the liquid outlet pipe, so that the solvent gas is fully retained in the cooling device and cooled into liquid.

[0014] 2. The utility model controls the operation of the motor to rotate the gear, thereby driving the two tooth plates to move toward each other, so that the connecting plates are close to each other, and then the vertical rod, fixed rod and scraper ring on the connecting plate move toward the middle, so that the scraper ring is inserted into the cooling pipe to clean the inner wall thereof, thereby having the advantage of being able to remove scale on the inner wall of the cooling pipe that has been used for a long time, effectively avoiding the effect of scale affecting heat transfer, and improving the efficiency of solvent recovery gas cooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a rear-view stereoscopic schematic diagram of the utility model;

[0017] Figure 3 It is a partially cutaway stereoscopic schematic diagram of the utility model;

[0018] Figure 4 It is a three-dimensional schematic diagram of the partition, cooling pipe and inclined baffle of the utility model;

[0019] Figure 5 For this utility model Figure 3 A is an enlarged schematic diagram.

[0020] In the figure: 1. cylinder; 2. shell; 3. partition; 4. cooling pipe; 5. inclined baffle; 6. scraping mechanism; 61. vertical rod; 62. connecting ring; 63. fixing rod; 64. scraping ring; 7. driving mechanism; 71. connecting plate; 72. tooth plate; 73. motor; 74. gear; 8. air inlet pipe; 9. liquid outlet pipe; 10. water inlet pipe; 11. water outlet pipe; 12. sleeve plate; 13. support leg; 15. observation window. DETAILED DESCRIPTION

[0021] See also Figure 1-Figure 5 A gas cooling device for solvent recovery comprises a cylinder 1, the top and bottom of the cylinder 1 are fixedly connected to a shell 2 by bolts and nuts, the top and bottom of the inner wall of the cylinder 1 are welded with partitions 3, and cooling pipes 4 are fixedly embedded and connected through the two partitions 3 on opposite sides, and an inclined baffle 5 is fixedly sleeved on the surface of the cooling pipe 4, and the surface of the inclined baffle 5 is welded to the inner wall of the cylinder 1, a scraping mechanism 6 is installed on the surface of the shell 2, and a driving mechanism 7 is installed on the surface of the cylinder 1, and the driving mechanism 7 includes a connecting plate 71.

[0022] See also Figure 1 , Figure 2 , Figure 3 and Figure 5 The scraping mechanism 6 includes a vertical rod 61. There are several vertical rods 61, which are respectively arranged on the surfaces of the upper and lower shells 2. The end of the vertical rod 61 away from the shell 2 is fixedly connected to a connecting ring 62. The surface of the end of the vertical rod 61 away from the connecting ring 62 is fixedly connected to a fixing rod 63. By setting the fixing rod 63, the vertical rod 61 and the scraping ring 64 are connected, so that the vertical rod 61 can drive the scraping ring 64 to move when it moves. The scraping ring 64 is fixedly connected to both ends of the fixing rod 63. By setting the scraping ring 64, the scale attached to the inner wall of the cooling pipe 4 can be scraped off during the process of moving up and down in the cooling pipe 4. The back side of the connecting ring 62 is fixedly connected to the front end of the connecting plate 71.

[0023] See also Figure 2 and Figure 3The driving mechanism 7 includes a tooth plate 72, the number of which is two, and one end of each tooth plate is fixedly connected to the surface of the rear end of the connecting plate 71. The back of the cylinder 1 is fixedly connected to a motor 73 through a support, and the rotating shaft of the motor 73 is fixedly connected to a gear 74. By setting the gear 74, the two tooth plates 72 move toward or opposite to each other under the action of the motor 73 driving it to rotate, thereby driving the connecting plate 71 and the scraping mechanism 6 to move, and the gear 74 is engaged with the tooth plate 72.

[0024] See also Figure 1 and Figure 3 The top of the left side of the cylinder 1 is connected to an air inlet pipe 8, and by setting the air inlet pipe 8, it is convenient to connect and install with the gas delivery pipe. The bottom of the right side of the cylinder 1 is connected to a liquid outlet pipe 9, and by setting the liquid outlet pipe 9, it is convenient to connect and install with the pipeline of the solvent liquid collection device.

[0025] See also Figure 1 and Figure 3 The bottom of the lower shell 2 is connected to a water inlet pipe 10, and the top of the upper shell 2 is connected to a water outlet pipe 11. By providing the water inlet pipe 10 and the water outlet pipe 11, it is convenient to connect the device to the water pipe.

[0026] See also Figure 1 and Figure 2 A sleeve plate 12 is fixedly sleeved on the bottom of the surface of the cylinder 1, and legs 13 are welded on the surface of the sleeve plate 12. The sleeve plate 12 and the legs 13 are provided to support and fix the device. An observation window 15 is fixedly embedded and connected to the front of the cylinder 1. The observation window 15 is provided to facilitate observation of the internal situation through the cylinder 1. A sealing ring is provided between the vertical rod 61 and the shell 2. The sealing ring is provided to seal the vertical rod 61 and the shell 2 to avoid leakage. The sealing ring is sleeved on the surface of the vertical rod 61.

[0027] When in use, water is kept flowing through the cooling pipe 4 by connecting the water inlet pipe 10 and the water outlet pipe 11 to external water pipes, the solvent gas is connected to the air inlet pipe 8 through a pipe, and the collecting device is connected to the liquid outlet pipe 9 through a pipe. The solvent gas enters the cylinder 1, and is guided by the inclined baffle 5 multiple times to contact the cooling pipe 4 for cooling and condensation into liquid. The inclined design of the inclined baffle 5 facilitates the flow of the solvent liquid, and then it is discharged and collected from the liquid outlet pipe 9, so that the solvent gas is fully retained in the cooling device and cooled into liquid. The operation of the motor 73 is controlled to rotate the gear 74, which in turn drives the two tooth plates 72 to move toward each other, so that the connecting plates 71 are close to each other, and then the vertical rod 61, the fixed rod 63 and the scraper ring 64 on the connecting plate 71 are moved to the middle, so that the scraper ring 64 is inserted into the cooling pipe 4 to clean its inner wall, and the scale on the inner wall of the cooling pipe 4 that has been used for a long time is removed.

[0028] In summary: the gas cooling device for solvent recovery, through the cooperation of the cylinder 1, the shell 2, the partition 3, the cooling pipe 4, the inclined baffle 5, the scraping mechanism 6 and the driving mechanism 7, solves the problem that the solvent gas has a short retention time in the cooling device, cannot be guided multiple times to improve the cooling effect, is inconvenient to clean the cooling pipe, and the inner wall of the cooling pipe is prone to scale adhesion after long-term use, affecting heat transfer.

Claims

1. A gas cooling device for solvent recovery, comprising a cylinder (1), the top and bottom of the cylinder (1) are fixedly connected to a shell (2) by bolts and nuts, characterized in that: Partitions (3) are welded to the top and bottom of the inner wall of the cylinder (1); cooling pipes (4) are fixedly embedded and connected through the two partitions (3) on opposite sides; an inclined baffle (5) is fixedly sleeved on the surface of the cooling pipe (4); the surface of the inclined baffle (5) is welded to the inner wall of the cylinder (1); a scraping mechanism (6) is installed on the surface of the shell (2); a driving mechanism (7) is installed on the surface of the cylinder (1); and the driving mechanism (7) includes a connecting plate (71).

2. A solvent recovery gas cooling device according to claim 1, characterized in that: The scraping mechanism (6) comprises a plurality of vertical rods (61), which are respectively arranged to penetrate the surfaces of the upper and lower shells (2); one end of the vertical rod (61) away from the shell (2) is fixedly connected to a connecting ring (62); a surface of one end of the vertical rod (61) away from the connecting ring (62) is fixedly connected to a fixing rod (63); both ends of the fixing rod (63) are fixedly connected to scraping rings (64); and the back side of the connecting ring (62) is fixedly connected to the front end of the connecting plate (71).

3. A solvent recovery gas cooling device according to claim 1, characterized in that: The driving mechanism (7) comprises a tooth plate (72), the number of the tooth plates (72) being two, and one end of each of the tooth plates is fixedly connected to the surface of the rear end of the connecting plate (71), the back side of the cylinder (1) is fixedly connected to a motor (73) via a support, the rotating shaft of the motor (73) is fixedly connected to a gear (74), and the gear (74) is meshed with the tooth plate (72).

4. A solvent recovery gas cooling device according to claim 1, characterized in that: The top of the left side of the cylinder (1) is connected to an air inlet pipe (8), and the bottom of the right side of the cylinder (1) is connected to a liquid outlet pipe (9).

5. A solvent recovery gas cooling device according to claim 1, characterized in that: The bottom of the lower shell (2) is connected to a water inlet pipe (10), and the top of the upper shell (2) is connected to a water outlet pipe (11).

6. A solvent recovery gas cooling device according to claim 2, characterized in that: A sleeve plate (12) is fixedly sleeved on the bottom of the surface of the cylinder (1), and legs (13) are welded on the surface of the sleeve plate (12). An observation window (15) is fixedly embedded and connected to the front of the cylinder (1). A sealing ring is provided between the vertical rod (61) and the shell (2), and the sealing ring is sleeved on the surface of the vertical rod (61).

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