Tetrahydrofuran separation tank

Abstract

The utility model relates to the technical field of tetrahydrofuran separation, and discloses a tetrahydrofuran separation tank which comprises a bottom plate, a steam box is fixedly connected to the right side of the top of the bottom plate, a fixed tank is fixedly connected to the top of the steam box, a funnel ring is fixedly connected to the bottom of the fixed tank, and a feeding pipe is fixedly connected to the rear side of the fixed tank. The top of the fixed tank is fixedly connected with an air extracting pump, the output end of the air extracting pump is fixedly connected with an air outlet pipe, the bottom of the air outlet pipe is fixedly connected with two liquid flowing pipes, the bottoms of the two liquid flowing pipes are fixedly connected with a liquid storage tank, and the front side of the air outlet pipe is fixedly connected with an air feeding pipe; and the bottom of the funnel ring is fixedly connected with a waste material pipe. According to the device, the tetrahydrofuran can be quickly separated and collected, and meanwhile, the utilization rate of heat energy resources required by distillation can be greatly improved, so that the consumption of the heat energy resources can be greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of tetrahydrofuran separation, in particular to a tetrahydrofuran separation tank. Background Art

[0002] Tetrahydrofuran (THF), also known as cyclobutane oxide, is a colorless, flammable, and highly volatile organic solvent. Its chemical formula is C4H8O, and its molecular structure contains a cyclic four-membered oxygen atom. As a polar organic solvent, THF is widely used in chemical synthesis, organic synthesis, and laboratories. It can dissolve many organic substances, including aliphatic and cyclic hydrocarbons, alcohols, ketones, aldehydes, esters, etc. Therefore, in the laboratory, THF is often used to dissolve reactants and catalysts to promote the progress of organic synthesis reactions.

[0003] After searching, the Chinese patent document announcement number is: CN216092336U. The utility model relates to the technical field of purification equipment, specifically a separation and purification device for a mixture of tetrahydrofuran and water, comprising: a purification separation box; a dehydration component, the dehydration component is arranged on one side of the interior of the purification separation box, and is used for preliminarily adsorbing and dehydrating the water in the mixture; a distillation separation component, the distillation separation component is arranged at the inner bottom position of the purification separation box, and is used for re-separating and purifying the dehydrated liquid; the device can fully purify and separate the mixture of tetrahydrofuran and water, and improve the purity of the separated tetrahydrofuran by reducing the water content.

[0004] Although the above patent mentioned in the specification that "when purifying and separating the mixed liquid, the water in the mixed liquid is firstly adsorbed by the dehydration component, and then the water content in the mixed liquid is further removed by the distillation separation component to improve the purity of tetrahydrofuran", additional condensed water is still required to achieve condensation during the separation process, and full utilization of resources is not achieved. Therefore, in view of the above shortcomings, a tetrahydrofuran separation tank is proposed. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a tetrahydrofuran separation tank, aiming to improve the problem that some tetrahydrofuran separation tanks in the prior art do not fully utilize resources during the separation process.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A tetrahydrofuran separation tank comprises a bottom plate, a steam box is fixedly connected to the right side of the top of the bottom plate, a fixed tank is fixedly connected to the top of the steam box, a funnel ring is fixedly connected to the bottom of the fixed tank, a feed pipe is fixedly connected to the rear side of the fixed tank, an air pump is fixedly connected to the top of the fixed tank, an air outlet pipe is fixedly connected to the output end of the air pump, two liquid flow pipes are fixedly connected to the bottom of the air outlet pipe, a liquid storage tank is fixedly connected to the bottom of the two liquid flow pipes, an air supply pipe is fixedly connected to the front side of the air outlet pipe, a waste pipe is fixedly connected to the bottom of the funnel ring, a water tank is fixedly connected to the left side of the top of the bottom plate, a heating pump is fixedly connected to the right side of the water tank, a water pumping assembly is provided on the right side of the steam box, and a condensation hose is provided on the outer sleeve of the air outlet pipe.

[0008] Furthermore, the water pumping assembly includes a shell, the left side of the shell is fixedly connected to the right side of the steam box, the inside of the shell is fixedly connected to a water pump, the input end of the water pump is fixedly connected to an input pipe, the output end of the water pump is fixedly connected to a water supply pipe, the outside of the water supply pipe is fixedly connected to two fixing frames 1, the left side of the condensation hose is fixedly connected to a water outlet pipe, the left side of the water outlet pipe is fixedly connected to a return pipe, and the outside of the return pipe is fixedly connected to a fixing frame 2.

[0009] Furthermore, a valve 1 is fixedly connected to the outside of the feed pipe, a valve 2 is fixedly connected to the bottom of the waste pipe, and columns are fixedly connected to the four bottom corners of the bottom plate.

[0010] Furthermore, the outside of the funnel ring is fixedly connected to the inside of the steam box, and the outside of the waste pipe is fixedly connected to the right side of the inside of the bottom plate.

[0011] Furthermore, the bottom of the liquid storage tank is fixedly connected to the top of the fixed tank, and the right side of the condensation hose is fixedly connected to the left side of the water delivery pipe.

[0012] Furthermore, the left side of one of the fixing frames 1 is fixedly connected to the right side of the outside of the fixing tank, and the left side of the other fixing frame 1 is fixedly connected to the right side of the outside of the steam box.

[0013] Furthermore, the outside of the air supply pipe is fixedly connected to the inside of the fixed tank, and the bottom of the return pipe is fixedly connected to the inside of the water tank.

[0014] Furthermore, the right side of the second fixing frame is fixedly connected to the left side of the exterior of the fixing tank, and the exterior of the input pipe is fixedly connected to the inner bottom side of the steam box.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, by using the structures such as the fixed tank, the funnel ring, the feed pipe, the valve 1, the vacuum pump, the air outlet pipe, the liquid flow pipe, the liquid storage tank, the air delivery pipe, and the heating pump in coordination, not only can the rapid separation and collection of tetrahydrofuran be achieved, but also the utilization rate of the heat energy resources required for distillation can be greatly improved, thereby greatly saving the consumption of heat energy resources.

[0017] 2. In the utility model, by using the water pump, input pipe, water delivery pipe, fixed frame, condensation hose, water outlet pipe, return pipe and other structures in coordination, the recycling of water resources can be realized, thereby greatly saving the consumption of water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of a tetrahydrofuran separation tank proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of a feed pipe of a tetrahydrofuran separation tank proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of a fixed tank of a tetrahydrofuran separation tank proposed by the utility model;

[0021] Figure 4 The utility model is a schematic diagram of the internal structure of a steam box of a tetrahydrofuran separation tank.

[0022] Legend:

[0023] 1. Bottom plate; 2. Steam box; 3. Fixed tank; 4. Funnel ring; 5. Feed pipe; 6. Valve 1; 7. Vacuum pump; 8. Air outlet pipe; 9. Liquid flow pipe; 10. Liquid storage tank; 11. Air supply pipe; 12. Waste pipe; 13. Valve 2; 14. Water tank; 15. Heating pump; 16. Shell; 17. Water pump; 18. Input pipe; 19. Water supply pipe; 20. Fixed frame 1; 21. Condensation hose; 22. Water outlet pipe; 23. Reflux pipe; 24. Fixed frame 2; 25. Column. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Reference Figure 1 - Figure 3The utility model provides an embodiment: a tetrahydrofuran separation tank, comprising a bottom plate 1, a steam box 2 is fixedly connected to the right side of the top of the bottom plate 1, the steam box 2 is designed here to have a certain heat preservation effect, which can effectively prevent the loss of heat, the top of the steam box 2 is fixedly connected to a fixed tank 3, the bottom of the fixed tank 3 is fixedly connected to a funnel ring 4, the rear side of the fixed tank 3 is fixedly connected to a feed pipe 5, it is designed here that the interior of the fixed tank 3 can be added with distillation raw materials through the feed pipe 5, and then can enter the interior of the funnel ring 4, the top of the fixed tank 3 is fixedly connected to a vacuum pump 7, the output end of the vacuum pump 7 is fixedly connected to an outlet pipe 8, it is designed here that the water vapor generated by distillation can be sucked into the interior of the outlet pipe 8 through the vacuum pump 7, the bottom of the outlet pipe 8 is fixedly connected to two liquid flow pipes 9, the water vapor can be condensed into liquid and can flow down through the liquid flow pipe 9, the two flow pipes A liquid storage tank 10 is fixedly connected to the bottom of the liquid pipe 9, so that the liquid can enter the interior of the liquid storage tank 10 to complete the collection. An air supply pipe 11 is fixedly connected to the front side of the air outlet pipe 8. The air supply pipe 11 is designed here to transport water that has not condensed in time to the interior of the fixed tank 3, and re-enter the interior of the air outlet pipe 8 to achieve condensation. A waste pipe 12 is fixedly connected to the bottom of the funnel ring 4. The waste pipe 12 is designed here as the outflow of waste and waste liquid. A water tank 14 is fixedly connected to the left side of the top of the base plate 1, and a heating pump 15 is fixedly connected to the right side of the water tank 14. It is designed here that the water inside the water tank 14 can be pumped out and changed into water vapor and transported to the interior of the steam box 2 through the heating pump 15. A pumping assembly is provided on the right side of the steam box 2. A condensation hose 21 is provided on the outer sleeve of the air outlet pipe 8. It is designed here that the cold water flowing through the condensation hose 21 can cool the water vapor.

[0026] Reference Figure 3 - Figure 4 The pumping assembly includes a shell 16, the left side of the shell 16 is fixedly connected to the right side of the steam box 2, the shell 16 is fixedly connected to a pumping pump 17, the input end of the pumping pump 17 is fixedly connected to an input pipe 18, and the output end of the pumping pump 17 is fixedly connected to a water supply pipe 19. The design here is that the water inside the steam box 2 can be sucked into the inside of the input pipe 18 and enter the inside of the water supply pipe 19 through the pumping pump 17. The outside of the water supply pipe 19 is fixedly connected to two fixing frames 20. The design here uses the fixing frame 20 to ensure the stability of the water supply pipe 19, and finally enters the condensation hose. Condensation is achieved inside 21, the left side of the condensation hose 21 is fixedly connected with an outlet pipe 22, and then input into the inside of the return pipe 23 through the outlet pipe 22, the left side of the outlet pipe 22 is fixedly connected with a return pipe 23, the outside of the return pipe 23 is fixedly connected with a fixing frame 24, the return pipe 23 is designed here to ensure the stability of the return pipe 23, the outside of the feed pipe 5 is fixedly connected with a valve 1 6, the bottom of the waste pipe 12 is fixedly connected with a valve 2 13, the design here can control the feed and discharge through the valve 1 6 and the valve 2 13, and the bottom four corners of the bottom of the bottom plate 1 are fixedly connected with columns 25.

[0027] Reference Figure 2 - Figure 4 The outside of the funnel ring 4 is fixedly connected to the inside of the steam box 2. The funnel ring 4 is designed here as a storage space for raw materials. The outside of the waste pipe 12 is fixedly connected to the right side of the inside of the bottom plate 1. The waste pipe 12 is designed here as an outlet for waste. The bottom of the liquid storage tank 10 is fixedly connected to the top of the fixed tank 3. The right side of the condensation hose 21 is fixedly connected to the left side of the water supply pipe 19. It is designed here that the liquid can enter the inside of the condensation hose 21 through the water supply pipe 19. The left side of one of the fixed frames 20 is fixedly connected to the right side of the outside of the fixed tank 3, and the left side of the other fixed frame 20 is fixedly connected to the right side of the outside of the steam box 2. The fixed frame 20 is designed here to ensure the stability of the water supply pipe 19. The outside of the air supply pipe 11 is fixedly connected to the inside of the fixed tank 3. The bottom of the reflux pipe 23 is fixedly connected to the inside of the water tank 14. The right side of the fixed frame 24 is fixedly connected to the left side of the outside of the fixed tank 3. The fixed frame 24 is designed here to ensure the stability of the reflux pipe 23. The outside of the input pipe 18 is fixedly connected to the bottom side of the inside of the steam box 2.

[0028] Working principle: When tetrahydrofuran needs to be separated, it is only necessary to open valve 16 and input the raw material into the feed pipe 5, so that the raw material can enter the fixed tank 3 and finally enter the funnel ring 4. At this time, the heating pump 15 can be started to convert the water in the water tank 14 into hot steam, so that the hot steam can be input into the steam box 2. At this time, the funnel ring 4 can be heated with the help of hot steam, and the water vapor will be converted into water. At this time, the exhaust pump 7 can be started to suck the tetrahydrofuran gas generated by heating in the fixed tank 3 into the outlet pipe 8. At this time, the water pump 17 can be started. The water inside the steam box 2 is sucked into the water supply pipe 19 and input into the condensation hose 21. At this time, the steam inside the outlet pipe 8 can be cooled by the flow of condensed water, so that the tetrahydrofuran gas can be converted into liquid and enter the liquid storage tank 10 through the liquid flow pipe 9 to complete the collection. At this time, the condensed water inside the condensation hose 21 can be returned to the water tank 14 by means of the water outlet pipe 22. At this time, the recycling of water resources can be realized, thereby greatly improving the full utilization of heat energy and water resources of the device. After the collection of tetrahydrofuran is completed, the valve 2 13 can be opened to allow waste and waste liquid to flow out through the waste pipe 12.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A tetrahydrofuran separation tank, comprising a bottom plate (1), characterized in that: The right side of the top of the bottom plate (1) is fixedly connected to a steam box (2), the top of the steam box (2) is fixedly connected to a fixed tank (3), the bottom of the fixed tank (3) is fixedly connected to a funnel ring (4), the rear side of the fixed tank (3) is fixedly connected to a feed pipe (5), the top of the fixed tank (3) is fixedly connected to an air pump (7), the output end of the air pump (7) is fixedly connected to an air outlet pipe (8), and the bottom of the air outlet pipe (8) is fixedly connected to two liquid flow pipes (9) The bottoms of the two liquid flow pipes (9) are fixedly connected to a liquid storage tank (10), the front side of the air outlet pipe (8) is fixedly connected to an air supply pipe (11), the bottom of the funnel ring (4) is fixedly connected to a waste pipe (12), the top left side of the bottom plate (1) is fixedly connected to a water tank (14), the right side of the water tank (14) is fixedly connected to a heating pump (15), a pumping assembly is provided on the right side of the steam box (2), and the outer sleeve of the air outlet pipe (8) is provided with a condensation hose (21).

2. A tetrahydrofuran separation tank according to claim 1, characterized in that: The pumping assembly comprises a shell (16), the left side of the shell (16) is fixedly connected to the right side of the steam box (2), the inside of the shell (16) is fixedly connected to a pumping pump (17), the input end of the pumping pump (17) is fixedly connected to an input pipe (18), the output end of the pumping pump (17) is fixedly connected to a water supply pipe (19), the outside of the water supply pipe (19) is fixedly connected to two fixing frames (20), the left side of the condensation hose (21) is fixedly connected to a water outlet pipe (22), the left side of the water outlet pipe (22) is fixedly connected to a return pipe (23), and the outside of the return pipe (23) is fixedly connected to a fixing frame (24).

3. A tetrahydrofuran separation tank according to claim 1, characterized in that: The outside of the feed pipe (5) is fixedly connected to a valve one (6), the bottom of the waste pipe (12) is fixedly connected to a valve two (13), and the four bottom corners of the bottom plate (1) are fixedly connected to columns (25).

4. A tetrahydrofuran separation tank according to claim 1, characterized in that: The outside of the funnel ring (4) is fixedly connected to the inside of the steam box (2), and the outside of the waste pipe (12) is fixedly connected to the right side of the inside of the bottom plate (1).

5. A tetrahydrofuran separation tank according to claim 2, characterized in that: The bottom of the liquid storage tank (10) is fixedly connected to the top of the fixed tank (3), and the right side of the condensation hose (21) is fixedly connected to the left side of the water supply pipe (19).

6. A tetrahydrofuran separation tank according to claim 2, characterized in that: The left side of one of the fixing frames 1 (20) is fixedly connected to the right side of the exterior of the fixing tank (3), and the left side of the other fixing frame 1 (20) is fixedly connected to the right side of the exterior of the steam box (2).

7. A tetrahydrofuran separation tank according to claim 2, characterized in that: The outside of the air supply pipe (11) is fixedly connected to the inside of the fixed tank (3), and the bottom of the return pipe (23) is fixedly connected to the inside of the water tank (14).

8. A tetrahydrofuran separation tank according to claim 2, characterized in that: The right side of the second fixing frame (24) is fixedly connected to the left side of the exterior of the fixing tank (3), and the exterior of the input pipe (18) is fixedly connected to the bottom side of the interior of the steam box (2).

Images