CN216944537U

CN216944537U - Solvent recovery device

Info

Publication number: CN216944537U
Application number: CN202220041940.5U
Authority: CN
Inventors: 陈星宏
Original assignee: Zhongrui Guoneng Technology Dongguan Co ltd
Current assignee: Zhongrui Guoneng Technology Dongguan Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-07-12
Anticipated expiration: 2032-01-07

Abstract

The utility model relates to the technical field of chemical liquid recovery, and particularly discloses a solvent recovery device. The recovery tank comprises an inner cavity and a partition plate arranged in the inner cavity, and the partition plate is used for dividing the inner cavity into a primary cabin body and a secondary cabin body; the primary cabin body is communicated with the secondary cabin body through a communicating pipe; the outlet end of the recovery pipeline is communicated with the primary cabin body, and the inlet end of the recovery pipeline is communicated with an external solvent container. This solvent recovery device simple structure can collect and the reutilization with solvent or other chemical industry liquid that separate or produce in the chemical production process, and safe and reliable during the use is favorable to reduce cost, reduces environmental pollution, and the practicality is strong.

Description

Solvent recovery device

Technical Field

The utility model relates to the technical field of chemical liquid recovery, and particularly discloses a solvent recovery device.

Background

In the prior art, in industrial production and scientific research experiments, various chemical engineering test solutions are often needed, the cost of many chemical engineering test solutions is often high, and waste liquid after being used is not processed in time, so that substances can be caused to the environment, and the human health is greatly damaged, and therefore the chemical engineering test solutions need to be recycled and recycled. For example, when a fusion casting method is used for preparing a perfluorosulfonic acid resin proton exchange membrane, a commonly used solvent is Dimethylformamide (DMF), a human body has certain toxicity, and if the solvent is not recycled, toxic degradation treatment is required and enterprises pay higher production cost.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide the solvent recovery device which is simple in structure, can collect and reutilize the solvent separated or generated in the chemical production process and is high in practicability.

In order to solve the technical problems, the utility model adopts the following technical scheme: a solvent recovery device comprises a recovery box body, a recovery pipeline and a communicating pipe, wherein the recovery box body comprises an inner cavity and a partition plate arranged in the inner cavity, and the partition plate is used for dividing the inner cavity into a primary cabin body and a secondary cabin body; the primary cabin body is communicated with the secondary cabin body through a communicating pipe; the liquid inlet end of the communicating pipe is communicated with the primary cabin body and is positioned at the upper part in the primary cabin body, and the liquid outlet end of the communicating pipe extends into the bottom in the secondary cabin body; the outlet end of the recovery pipeline is communicated with the primary cabin body, and the inlet end of the recovery pipeline is communicated with an external solvent container.

Further, retrieve the box and include the bottom plate, connect in the curb plate of bottom plate upper end and connect in the roof of curb plate upper end, the inner chamber is enclosed by bottom plate, curb plate and roof and is established the formation, the roof includes first plate body and the second plate body of being connected with first plate body, first plate body sets up in the upper end of the primary cabin body, the second plate body sets up in the upper end of the secondary cabin body.

Furthermore, the first plate body is provided with a first liquid discharge port penetrating through the upper surface and the lower surface of the first plate body, and the recovery box body is provided with a first sealing cover used for sealing the first liquid discharge port.

Furthermore, the first sealing cover is detachably connected with the first plate body.

Furthermore, a second liquid outlet penetrating through the upper surface and the lower surface of the second plate body is formed in the second plate body, and a second sealing cover used for sealing the second liquid outlet is arranged on the recovery box body.

Furthermore, the second sealing cover is detachably connected with the second plate body.

Furthermore, the upper part of the secondary cabin body is provided with a discharge port.

Furthermore, the exhaust port is provided with an exhaust interface connected with an exhaust device used for the outside.

Further, the communication pipe is provided with a check valve.

The utility model has the beneficial effects that: this solvent recovery device simple structure can collect and the reutilization with the solvent or other chemical waste liquids that separate or produce in the chemical production process, and safe and reliable during the use is favorable to reduce cost, reduces environmental pollution, and the practicality is strong.

Drawings

Fig. 1 is a schematic perspective view of the novel solvent recovery apparatus according to the present embodiment.

Fig. 2 is a schematic view of the internal structure of the recovery tank of the present invention.

The reference numerals include:

11-solvent container, 12-recovery pipeline, 13-recovery box, 14-primary cabin, 15-secondary cabin, 16-communicating pipe, 17-check valve, 18-air suction interface, 19-first sealing cover, 20-second sealing cover and 21-top plate.

Detailed Description

For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1-2, a solvent recovery apparatus comprises a recovery tank 13, a recovery pipeline 12 and a communicating pipe 16, wherein the recovery tank 13 comprises an inner cavity and a partition board arranged in the inner cavity, and the partition board is used for dividing the inner cavity into a primary cabin 14 and a secondary cabin 15; the primary hull 14 is in communication with the secondary hull 15 via a communication duct 16; the outlet end of the recovery pipeline 12 is communicated with the primary cabin 14, and the inlet end of the recovery pipeline 12 is used for communicating with the external solvent container 11.

Further, the liquid inlet end of the communicating pipe 16 is communicated with the primary cabin 14 and is located at the upper portion of the primary cabin 14, and the liquid outlet end of the communicating pipe 16 extends into the bottom of the secondary cabin 15. The inner chamber of the recycling box body 13 is provided with a partition board, the communicating pipes 16 penetrate through the partition board, the partition board divides the inner chamber into a primary cabin body 14 and a secondary cabin body 15, and the primary cabin body 14 is communicated with the secondary cabin body 15 only through the communicating pipes 16. Because the setting of above-mentioned structure, treat that recovery solvent passes through recovery pipeline 12 from solvent container 11 and gets into primary cabin 14, the feed liquor end of communicating pipe 16 does not contact with the liquid level of primary cabin 14, treat that gas or other volatile matters in the recovery solvent get into secondary cabin 15 from the bottom in the secondary cabin 15 via communicating pipe 16 in, water or other liquid have been placed in advance to secondary cabin 15, and the liquid outlet end of water surface complete submergence communicating pipe 16, can absorb or purification treatment volatile toxic gas.

Further, retrieve box 13 and include the bottom plate, connect in the curb plate of bottom plate upper end and connect in the roof 21 of curb plate upper end, the inner chamber is enclosed by bottom plate, curb plate and roof 21 and establishes the formation, roof 21 includes first plate body and the second plate body of being connected with first plate body, first plate body sets up in the upper end of the elementary cabin body 14, the second plate body sets up in the upper end of the secondary cabin body 15. The recovery box body 13 is a closed box body, the primary cabin body 14 and the secondary cabin body 15 are both of a closed structure, the top plate 21 covers the upper end openings of the primary cabin body 14 and the secondary cabin body 15, a solvent to be recovered enters the closed secondary cabin body 15, the primary cabin body 14 and the secondary cabin body 15 are only communicated through the communicating pipe 16, gas of the solvent to be recovered enters the secondary cabin body 15 from the primary cabin body 14 through the communicating pipe 16, the use is safe and reliable, and the pollution to the environment and the damage to human bodies can be reduced.

Furthermore, the first plate body is provided with a first liquid discharge port penetrating through the upper surface and the lower surface of the first plate body; the recovery tank is provided with a first sealing cover 19 for sealing the first drain port. The first sealing cover 19 is detachably connected with the first plate body. The second plate body is provided with a second liquid outlet which penetrates through the upper surface and the lower surface of the second plate body, and the recovery box body is provided with a second sealing cover 20 for sealing the second liquid outlet. The second sealing cover 20 is detachably connected to the second plate. Due to the arrangement of the structure, the first sealing cover 19 and the second sealing cover 20 can be respectively used for sealing the primary cabin body 14 and the secondary cabin body 15, the first sealing cover 19 and the second sealing cover 20 are respectively detachably connected with the first plate body and the second plate body, so that the installation and the taking-down are convenient, the use is convenient, and the liquid of the primary cabin body 14 can be discharged through the first liquid discharge port.

Further, the upper portion of the secondary cabin 15 is provided with a discharge port. The nozzle of the discharge port is arranged higher than the liquid level of the secondary cabin body 15, so that the liquid cannot overflow.

Furthermore, the exhaust port is provided with an air exhaust interface 18 connected with an air exhaust device for the outside. The air-extracting device may be used to extract air from the recovery tank 13. The air extraction equipment can be equipment such as an air extraction pump and an exhaust fan, and other equipment can also be adopted in actual use.

Further, the communication pipe 16 is provided with a check valve 17. The arrangement of the check valve 17 can prevent the solvent to be recovered from flowing back to the primary cabin 14 from the secondary cabin 15, and the use is convenient and reliable.

Further, the outlet end of the recycling pipeline 12 is connected to the upper portion of the primary chamber 14, and the inlet end of the recycling pipeline 12 is used for communicating with the lower end of the external solvent container 11. The solvent to be recovered can flow into the recovery pipeline 12 from the lower end of the solvent container 11, and then flow into the primary chamber 14 from the outlet end of the recovery pipeline 12.

When the solvent recovery device is used, the recovery box body 13 can be used for receiving a solvent, the inlet end of the recovery pipeline 12 is communicated with a solvent container 11 for storing the solvent to be recovered, the outlet end of the recovery pipeline 12 is communicated with the primary cabin body 14, the solvent to be recovered enters the primary cabin body 14 through the recovery pipeline 12, gas or other volatile matters carried by the solvent can enter the secondary cabin body 15 through the communicating pipe 16, and the liquid of the secondary cabin body 15 can treat the gas; the suction connection 18 is connected to a suction device to create a negative pressure environment within the secondary enclosure 15 to facilitate the transfer of gases from the primary enclosure 14 to the secondary enclosure 15. This solvent recovery device simple structure can collect and the reutilization with solvent and other chemical industry liquid that separate or produce in the chemical production process, is favorable to reduce cost, reduces environmental pollution, and the practicality is strong. The solvent recovery device can be used as a solvent recovery device in the preparation process of the proton exchange membrane, is mainly used in the actual production of preparing the perfluorosulfonic acid resin proton exchange membrane by using a fusion casting method, an external solvent container 11 can be used for storing dimethylformamide to be recovered, the solvent container 11 is a membrane box in the actual production, the solvent recovery device has reliable performance, and the dimethylformamide separated in the production can be collected and reused. The solvent recovery device of the embodiment can also be used for recovering solvents or other waste liquid in other production processes.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. A solvent recovery device is characterized in that: the recovery tank comprises an inner cavity and a partition plate arranged in the inner cavity, and the partition plate is used for dividing the inner cavity into a primary cabin body and a secondary cabin body; the primary cabin body is communicated with the secondary cabin body through a communicating pipe; the liquid inlet end of the communicating pipe is communicated with the primary cabin body and is positioned at the upper part in the primary cabin body, and the liquid outlet end of the communicating pipe extends into the bottom in the secondary cabin body; the outlet end of the recovery pipeline is communicated with the primary cabin body, and the inlet end of the recovery pipeline is communicated with an external solvent container.

2. The solvent recovery apparatus according to claim 1, characterized in that: the recovery box body comprises a bottom plate, a side plate connected to the upper end of the bottom plate and a top plate connected to the upper end of the side plate, the top plate comprises a first plate body and a second plate body connected with the first plate body, the first plate body is arranged at the upper end of the primary cabin body, and the second plate body is arranged at the upper end of the secondary cabin body.

3. The solvent recovery apparatus according to claim 2, characterized in that: the first plate body is provided with a first liquid discharge port penetrating through the upper surface and the lower surface of the first plate body, and the recovery box body is provided with a first sealing cover used for sealing the first liquid discharge port.

4. The solvent recovery apparatus according to claim 3, characterized in that: the first sealing cover is detachably connected with the first plate body.

5. The solvent recovery apparatus according to claim 2, characterized in that: the second plate body is provided with a second liquid outlet which penetrates through the upper surface and the lower surface of the second plate body, and the recovery box body is provided with a second sealing cover used for sealing the second liquid outlet.

6. The solvent recovery apparatus according to claim 5, characterized in that: the second sealing cover is detachably connected with the second plate body.

7. The solvent recovery apparatus according to claim 1, characterized in that: the upper part of the secondary cabin body is provided with a discharge port.

8. The solvent recovery apparatus according to claim 7, characterized in that: the exhaust port is provided with an air exhaust interface connected with air exhaust equipment used for the outside.

9. The solvent recovery apparatus according to claim 1, characterized in that: the communicating pipe is provided with a check valve.

10. The solvent recovery apparatus according to claim 1, characterized in that: the outlet end of the recovery pipeline is connected to the upper part of the primary cabin body, and the inlet end of the recovery pipeline is communicated with the lower end of an external solvent container.