Dimethylformamide dilute liquid distillation device for wet synthetic leather

Abstract

The utility model relates to the technical field of wet synthetic leather dimethyl formamide dilute liquid distillation, and discloses a wet synthetic leather dimethyl formamide dilute liquid distillation device which comprises a distillation cylinder, a connecting ring is fixedly mounted at the top of the distillation cylinder, a fixing bolt is in threaded connection with the top of the connecting ring, and a top cover is in threaded connection with the surface of the fixing bolt. A stirring assembly is arranged in the middle of the top surface of the top cover, an electric valve is fixedly mounted at the bottom of the distillation cylinder, and a retention cylinder is fixedly mounted on the surface of the electric valve. According to the wet synthetic leather dimethylformamide dilute liquid distillation device, through the arrangement of the distillation cylinder, the stirring assembly and the top cover, when a worker carries out distillation operation on dimethylformamide dilute liquid, the dimethylformamide dilute liquid can be placed in the distillation cylinder, and then the liquid in the distillation cylinder is heated by utilizing a temperature controller and a heating wire; and then a power supply of a servo motor is switched on, so that a stirring rod quickly mixes the liquid in the distillation cylinder, and the distillation effect of the liquid is accelerated.

Description

Technical Field

[0001] The utility model relates to the technical field of distillation of dimethylformamide dilute solution for wet synthetic leather, and particularly relates to a distillation device for dimethylformamide dilute solution of wet synthetic leather. Background Technique

[0002] In the production of synthetic leather, wastewater containing DMF needs to be treated to recover DMF and reduce environmental pollution. Distillation is a commonly used DMF recovery technology, which utilizes the boiling point difference between DMF and water to achieve separation. The traditional distillation process may have high energy consumption, and DMF may decompose at high temperatures, producing bad odors and other by-products. Therefore, the development of efficient, energy-saving and environmentally friendly DMF distillation technology is crucial for the sustainable development of the synthetic leather industry.

[0003] An existing distillation device for dimethylformamide dilute solution of wet synthetic leather has advantages such as good DMF decomposition and good environmental protection and energy saving.

[0004] However, this distillation device for dimethylformamide dilute solution of wet synthetic leather has the following disadvantages. During the distillation process, the distillation time is relatively slow, resulting in poor distillation decomposition efficiency, and it is not easy to filter and clean foreign matters inside the distillation liquid, affecting the treatment of the distillation liquid. Summary of the Utility Model

[0005] The technical problem solved by the utility model is to provide a distillation device for dimethylformamide dilute solution of wet synthetic leather with high practicability, which can be operated simply and has a relatively simple structure, and solves the problems mentioned in the above background technique that during the distillation process, the distillation time is relatively slow, resulting in poor distillation decomposition efficiency, and it is not easy to filter and clean foreign matters inside the distillation liquid, affecting the treatment of the distillation liquid.

[0006] To achieve the above object, the utility model is realized through the following technical solutions: A distillation device for dimethylformamide dilute solution of wet synthetic leather, including a distillation cylinder, a connecting ring is fixedly installed at the top of the distillation cylinder, a fixing bolt is threadedly connected to the top of the connecting ring, a top cover is threadedly connected to the surface of the fixing bolt, a stirring assembly is arranged in the middle of the top surface of the top cover, an electric valve is fixedly installed at the bottom of the distillation cylinder, a retaining cylinder is fixedly installed on the surface of the electric valve, and a bottom cover is clamped at the bottom of the retaining cylinder.

[0007] Optionally, the stirring assembly includes a servo motor, the servo motor is fixedly installed on the top of the top cover, a transmission rod is fixedly installed at the output end of the servo motor, and stirring rods are fixedly installed on both sides of the transmission rod.

[0008] Optionally, a flexible scraper is fixedly installed on the surface of the stirring rod, and the flexible scraper is closely attached to the inner wall of the distillation cylinder.

[0009] Optionally, a filter plate is snap-fitted inside the bottom cover, and a drainage pipe is inserted into the middle of the inner bottom wall of the bottom cover.

[0010] Optionally, a heating wire is embedded in the inner wall of the distillation cylinder, and a temperature controller is provided on one side of the surface of the distillation cylinder.

[0011] Optionally, a reinforcing ring is fixedly installed on one side of the surface of the retention cylinder, and a reinforcing rib is fixedly connected to the top of the reinforcing ring.

[0012] The utility model provides a distillation device for dimethylformamide dilute solution of wet synthetic leather, which has the following beneficial effects:

[0013] 1. For the distillation device for dimethylformamide dilute solution of wet synthetic leather, through the settings of the distillation cylinder, the stirring assembly and the top cover, when the staff conducts the distillation operation on the dimethylformamide dilute solution, the dimethylformamide dilute solution can be placed inside the distillation cylinder, and then the liquid inside the distillation cylinder is heated by using the temperature controller and the heating wire. Subsequently, the power supply of the servo motor is turned on, so that the stirring rod quickly mixes the liquid inside the distillation cylinder, accelerating the distillation effect of the liquid, thereby playing the role of accelerating distillation.

[0014] 2. For the distillation device for dimethylformamide dilute solution of wet synthetic leather, through the settings of the retention cylinder and the electric valve, when the distillation of the dimethylformamide dilute solution by the staff is completed, part of the dimethylformamide dilute solution can flow into the retention cylinder along the electric valve. Subsequently, the filter plate filters part of the liquid inside the dimethylformamide dilute solution, intercepting foreign matters on the surface of the filter plate, thus facilitating the staff to retain and filter foreign matters inside the dimethylformamide dilute solution. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the utility model;

[0016] Figure 2 is a schematic diagram of the split structure of the utility model;

[0017] Figure 3 is a schematic diagram of the top cover structure of the utility model;

[0018] Figure 4 is a schematic diagram of the distillation cylinder structure of the utility model.

[0019] In the figure: 1. Distillation cylinder; 2. Connecting ring; 3. Fixed bolt; 4. Top cover; 5. Stirring assembly; 51. Servo motor; 52. Transmission rod; 53. Stirring rod; 6. Electric valve; 7. Retention cylinder; 8. Bottom cover; 9. Flexible scraper; 10. Filter plate; 11. Drainage pipe; 12. Heating wire; 13. Temperature controller; 14. Reinforcing rib. Detailed implementation mode

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1 to 4 , the present invention provides a technical solution: a dimethylformamide dilute liquid distillation device for wet synthetic leather, including a distillation cylinder 1. A connecting ring 2 is fixedly installed at the top of the distillation cylinder 1. A fixing bolt 3 is threadedly connected to the top of the connecting ring 2. A top cover 4 is threadedly connected to the surface of the fixing bolt 3;

[0022] When in use by personnel, the staff can place the liquid to be distilled inside the distillation cylinder 1. Subsequently, the temperature controller 13 is used to connect the power supply of the heating wire 12, so that the heating wire 12 heats the liquid inside the distillation cylinder 1, causing the liquid inside the distillation cylinder 1 to be heated. Immediately, the power supply of the electric valve 6 is connected, so that the liquid inside the distillation cylinder 1 is transported along the electric valve 6 to the inside of the retention cylinder 7. Subsequently, the liquid inside the retention cylinder 7 flows along the filter plate 10, so that the filter plate 10 intercepts foreign matters inside the liquid, thus facilitating the staff to process the liquid. During the rotation of the stirring rod 53, the flexible scraping plate 9 fits against the inner wall of the distillation cylinder 1, so that the flexible scraping plate 9 quickly scrapes off the residues on the inner wall of the distillation cylinder 1, thus facilitating the use by personnel.

[0023] Please refer to Figures 1 to 4 , an electric valve 6 is fixedly installed at the bottom of the distillation cylinder 1. A retention cylinder 7 is fixedly installed on the surface of the electric valve 6. A bottom cover 8 is clamped at the bottom of the retention cylinder 7. A filter plate 10 is clamped inside the bottom cover 8. A drainage pipe 11 is inserted into the middle of the inner bottom wall of the bottom cover 8;

[0024] Through the setting of the drainage pipe 11 and the retention cylinder 7, when the staff needs to drain the liquid inside the retention cylinder 7, they can use an external pipe to insert one end of the drainage pipe 11, thus facilitating the staff to drain the liquid inside the retention cylinder 7.

[0025] Please refer to Figures 1 to 4 , a heating wire 12 is embedded in the inner wall of the distillation cylinder 1. A temperature controller 13 is provided on one side of the surface of the distillation cylinder 1;

[0026] Through the setting of the heating wire 12 and the temperature controller 13, when the staff is dealing with the liquid inside the distillation cylinder 1, they can use the temperature controller 13 to adjust the temperature of the heating wire 12, thus facilitating the staff to adjust the heating wire 12 to a suitable temperature.

[0027] Please refer to Figures 1 to 4, on one side of the surface of the retention cylinder 7, a reinforcement ring is fixedly installed, and a reinforcing rib 14 is fixedly connected to the top of the reinforcement ring;

[0028] Through the settings of the reinforcement ring and the reinforcing rib 14, the stability of the retention cylinder 7 is improved. Embodiment

[0029] Please refer to Figures 1 to 4 , in the middle of the top surface of the top cover 4, a stirring assembly 5 is provided. The stirring assembly 5 includes a servo motor 51. The servo motor 51 is fixedly installed on the top of the top cover 4. The output end of the servo motor 51 is fixedly installed with a transmission rod 52. Stirring rods 53 are fixedly installed on both sides of the transmission rod 52. A flexible scraper 9 is fixedly installed on the surface of the stirring rod 53, and the flexible scraper 9 is in close fit with the inner wall of the distillation cylinder 1.

[0030] Through the settings of the distillation cylinder 1, the stirring assembly 5 and the top cover 4, when the staff conducts a distillation operation on the dimethylformamide dilute solution, the dimethylformamide dilute solution can be placed inside the distillation cylinder 1. Then, the liquid inside the distillation cylinder 1 is heated by the temperature controller 13 and the heating wire 12. Subsequently, the power supply of the servo motor 51 is turned on, so that the stirring rod 53 quickly mixes the liquid inside the distillation cylinder 1, accelerating the distillation effect of the liquid, thus playing a role in accelerating distillation.

[0031] In the present utility model, the working steps of the device are as follows:

[0032] When in use by personnel, the staff can place the liquid to be distilled inside the distillation cylinder 1. Then, the power supply of the heating wire 12 is turned on by the temperature controller 13, so that the heating wire 12 heats the liquid inside the distillation cylinder 1. Then, the power supply of the electric valve 6 is turned on, so that the liquid inside the distillation cylinder 1 is transported along the electric valve 6 to the inside of the retention cylinder 7. Subsequently, the liquid inside the retention cylinder 7 flows along the filter plate 10, and the filter plate 10 intercepts foreign matters inside the liquid, thus facilitating the staff to process the liquid. As the stirring rod 53 rotates, the flexible scraper 9 adheres to the inner wall of the distillation cylinder 1, so that the flexible scraper 9 quickly scrapes the residues on the inner wall of the distillation cylinder 1, thus facilitating the use by personnel.

[0033] It should be noted that the device structure and drawings of the present utility model mainly describe the principle of the present utility model. On the basis of this design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. However, on the premise that those skilled in the art understand the principle of the above-mentioned utility model, the specific power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatically controlled by a controller, and the control circuit of the controller can be realized by simple programming by those skilled in the art;

[0034] All the standard parts used can be purchased from the market, and can also be customized according to the description in the specification and the attached drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the components known to those skilled in the art, their structures and principles can all be learned by those skilled in the art through technical manuals or obtained through conventional experimental methods.

[0035] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A distillation device for dimethylformamide dilute solution of wet synthetic leather, comprising a distillation cylinder (1), characterized in that: A connecting ring (2) is fixedly mounted on the top of the distillation cylinder (1), a fixing bolt (3) is threadedly connected to the top of the connecting ring (2), a top cover (4) is threadedly connected to the surface of the fixing bolt (3), a stirring assembly (5) is provided in the middle of the top surface of the top cover (4), an electric valve (6) is fixedly mounted on the bottom of the distillation cylinder (1), a retaining cylinder (7) is fixedly mounted on the surface of the electric valve (6), and a bottom cover (8) is clamped on the bottom of the retaining cylinder (7).

2. The device for distilling dimethylformamide dilute solution of wet synthetic leather according to claim 1, characterized in that: The stirring assembly (5) comprises a servo motor (51), the servo motor (51) is fixedly mounted on the top of the top cover (4), a transmission rod (52) is fixedly mounted on the output end of the servo motor (51), and stirring rods (53) are fixedly mounted on both sides of the transmission rod (52).

3. The device for distilling dimethylformamide dilute solution of wet synthetic leather according to claim 2, characterized in that: A flexible scraper (9) is fixedly mounted on the surface of the stirring rod (53), and the flexible scraper (9) is tightly fitted to the inner wall of the distillation cylinder (1).

4. The device for distilling dimethylformamide dilute solution of wet synthetic leather according to claim 1, characterized in that: A filter plate (10) is clamped inside the bottom cover (8), and a drainage tube (11) is inserted into the middle of the inner bottom wall of the bottom cover (8).

5. The device for distilling dimethylformamide dilute solution of wet synthetic leather according to claim 1, characterized in that: A heating wire (12) is embedded in the inner wall of the distillation cylinder (1), and a temperature controller (13) is provided on one side of the surface of the distillation cylinder (1).

6. The device for distilling dimethylformamide dilute solution of wet synthetic leather according to claim 1, characterized in that: A reinforcement ring is fixedly mounted on one side of the surface of the retention tube (7), and a reinforcing rib (14) is fixedly connected to the top of the reinforcement ring.

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