CN214913466U

CN214913466U - 3,4, 5-trichlorobenzotrifluoride flash distillation device

Info

Publication number: CN214913466U
Application number: CN202121185063.0U
Authority: CN
Inventors: 王伟; 王栋; 王静; 王东
Original assignee: Shandong Deao Fine Chemical Product Co ltd
Current assignee: Shandong Deao Fine Chemical Product Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-11-30
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a 3,4, 5-trichlorobenzotrifluoride flash distillation device, including the flash tank, this flash tank includes cylindricality lateral wall, roof, diapire, the forced draught pipe of the top setting of flash tank and the roof through connection of flash tank, forced draught pipe's surface is provided with the steam check valve, the blow off pipe that the bottom of flash tank set up and the diapire through connection of flash tank, the feed liquor pipe and the drain pipe of the surface setting of flash tank all with the lateral wall through connection of flash tank. The utility model discloses in, first filter screen, second filter screen, third filter screen can filter 3,4, 5-trichloro benzotrifluoride in proper order, and the blow off pipe can be discharged the inside dirt after filtering of flash tank, and simple structure can be convenient for detach impurity in the 3,4, 5-trichloro benzotrifluoride, can carry out the stage filtration to 3,4, 5-trichloro benzotrifluoride simultaneously and detach particulate matter wherein.

Description

3,4, 5-trichlorobenzotrifluoride flash distillation device

Technical Field

The utility model relates to a flash distillation technical field especially relates to a 3,4, 5-trichlorobenzotrifluoride flash distillation device.

Background

Flashing is the phenomenon that after a high pressure saturated liquid enters a relatively low pressure vessel, the saturated liquid becomes a part of the saturated vapor and saturated liquid at the vessel pressure due to a sudden drop in pressure, and the temperature of the fluid is higher than the boiling point at that pressure. The fluid is boiled and vaporized rapidly in the flash tank, and two-phase separation is carried out;

the existing flash evaporation device can only remove impurities contained in the 3,4, 5-trichlorobenzotrifluoride and cannot filter granular pollutants contained in the 3,4, 5-trichlorobenzotrifluoride, so that certain influence is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a 3,4, 5-trichlorobenzotrifluoride flash evaporation device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a 3,4, 5-trichloro benzotrifluoride flash distillation device, includes the flash tank, and this flash tank includes cylindricality lateral wall, roof, diapire, the forced draught conveyer pipe that the top of flash tank set up and the roof through connection of flash tank, the surface of forced draught conveyer pipe is provided with the steam check valve, the blow off pipe that the bottom of flash tank set up and the diapire through connection of flash tank, the feed liquor pipe that the surface of flash tank set up with the drain pipe all with the lateral wall through connection of flash tank, and the feed liquor pipe is located the top of drain pipe, the inside of flash tank is provided with the filter frame, the surface of filtering the frame has set gradually third filter screen, second filter screen, first filter screen from inside to outside.

Furthermore, the filter frame comprises a top side plate, a bottom side plate and a central column, the outer surface of the central column of the filter frame is provided with a plurality of vertically arranged holes, and the central axes of the top side plate, the bottom side plate and the central column of the filter frame are provided with through holes together.

Furthermore, one end of the liquid outlet pipe penetrates through the flash tank and is fixedly connected with the through hole of the side plate at the bottom of the filter frame.

Furthermore, the third filter screen, the second filter screen and the first filter screen are stainless steel screen meshes with different densities, and the densities of the third filter screen, the second filter screen and the first filter screen are reduced from inside to outside in sequence.

Further, a liquid level meter is arranged on the outer surface of the flash tank.

Furthermore, the outer surfaces of the pressure delivery pipe, the liquid inlet pipe, the liquid outlet pipe and the sewage discharge pipe are all provided with electromagnetic valves.

Further, a pressure gauge is arranged on the top wall of the flash tank.

Furthermore, the bottom side plate of the filter rack and the inner wall of the flash tank are fixedly connected with three support rods which are distributed in a triangular mode.

The utility model has the advantages that:

the utility model discloses when using, this 3,4, 5-trichloro benzotrifluoride flash distillation plant, pressure conveying pipe can be to the pressure of the inside input of flash tank, the inside pressure value of flash tank can be observed to the manometer, thereby make saturated liquid carry out rapid boiling gasification after getting into the flash tank through the feed liquor pipe, and carry out double-phase separation, first filter screen, the second filter screen, the third filter screen can be in proper order to 3,4, 5-trichloro benzotrifluoride filters, the blow off pipe can be with the inside dirt discharge after filtering of flash tank, moreover, the steam generator is simple in structure, can be convenient for

detach

3,4, impurity in the 5-trichloro benzotrifluoride, can be to 3 simultaneously, 4, 5-trichloro benzotrifluoride carry out stage filtration and detach particulate matter wherein.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic structural view of the filter frame of the present invention;

fig. 4 is the distribution structure diagram of the first filter screen, the second filter screen and the third filter screen of the present invention.

Illustration of the drawings:

1. a flash tank; 2. a pressure delivery pipe; 3. a liquid inlet pipe; 4. a liquid outlet pipe; 5. a blow-off pipe; 6. a liquid level meter; 7. a pressure gauge; 8. a filter frame; 9. a support bar; 10. a steam check valve; 11. opening a hole; 12. a through hole; 13. a first filter screen; 14. a second filter screen; 15. and a third filter screen.

Detailed Description

Fig. 1 to fig. 4 show, relate to a 3,4, 5-trichlorobenzotrifluoride flash distillation device, including flash tank 1, this flash tank 1 includes the cylindricality lateral wall, the roof, the diapire, forced draught tube 2 that flash tank 1's top set up and flash tank 1's roof through connection, forced draught tube 2's surface is provided with steam check valve 10, blow off pipe 5 and flash tank 1's diapire through connection of flash tank 1's bottom setting, feed liquor pipe 3 and drain pipe 4 of flash tank 1's surface setting all with flash tank 1's lateral wall through connection, and feed liquor pipe 3 is located the top of drain pipe 4, its characterized in that: the inside of flash tank 1 is provided with filters frame 8, and the surface of filtering frame 8 is provided with third filter screen 15, second filter screen 14, first filter screen 13 from inside to outside in proper order.

When the 3,4, 5-trichlorobenzotrifluoride flash evaporation device is used, firstly, pressure input into the flash evaporation tank 1 through the pressure delivery pipe 2 is observed through the pressure gauge 7, saturated liquid is input into the flash evaporation tank 1 through the liquid inlet pipe 3, the saturated liquid enters low pressure and then is automatically and rapidly boiled and gasified, two-phase separation is carried out, meanwhile, the separated 3,4, 5-trichlorobenzotrifluoride is sequentially filtered through the first filter screen 13, the second filter screen 14 and the third filter screen 15, the filtered 3,4, 5-trichlorobenzotrifluoride enters the through hole 12 through the opening 11 and then is discharged through the liquid outlet pipe 4, finally, dirt remained in the flash evaporation tank 1 is discharged through the discharge pipe 5, the structure is simple, impurities in the 3,4, 5-trichlorobenzotrifluoride can be conveniently removed, meanwhile, the 3,4, 5-trichlorobenzotrifluoride can be subjected to fractional filtration to remove particles in the 3,4, 5-trichlorobenzotrifluoride.

In the further scheme, filter frame 8 is including top curb plate, bottom side board, center post, and the surface of filtering 8 center posts is provided with the trompil 11 of the vertical range of a plurality of, and the top curb plate, bottom side board, center post central axis position of filtering frame 8 are provided with through-hole 12 jointly, and through-hole 12 can be convenient for the liquid after the filtration circulate.

In a further scheme, one end of the liquid outlet pipe 4 penetrates through the flash tank 1 and is fixedly connected with the through hole 12 of the bottom side plate of the filter frame 8, and the filtered and flashed liquid can be output.

In a further scheme, the third filter screen 15, the second filter screen 14 and the first filter screen 13 are stainless steel screen meshes with different densities, the densities of the third filter screen 15, the second filter screen 14 and the first filter screen 13 are reduced from inside to outside in sequence, and the third filter screen 15, the second filter screen 14 and the first filter screen 13 can sequentially filter liquid in a grading manner.

In a further scheme, a liquid level meter 6 is arranged on the outer surface of the flash tank 1, and the liquid level meter 6 can detect the liquid level inside the flash tank 1.

In a further scheme, the outer surfaces of the pressure conveying pipe 2, the liquid inlet pipe 3, the liquid outlet pipe 4 and the sewage discharge pipe 5 are respectively provided with an electromagnetic valve, and the electromagnetic valves can respectively and automatically control the input and the output of the pressure conveying pipe 2, the liquid inlet pipe 3, the liquid outlet pipe 4 and the sewage discharge pipe 5.

In the further scheme, the position of the top wall of the flash tank 1 is provided with a pressure gauge 7, and the pressure gauge 7 can detect the pressure value inside the flash tank 1.

In a further scheme, the bottom side plate of the filter rack 8 and the inner wall of the flash tank 1 are fixedly connected with three support rods 9 which are distributed in a triangular mode, and the three support rods 9 can enable the filter rack 8 to keep stable.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a 3,4, 5-trichlorobenzotrifluoride flash distillation device, includes flash tank (1), and this flash tank (1) includes cylindricality lateral wall, roof, diapire, forced draught tube (2) and the roof through connection of flash tank (1) that the top of flash tank (1) set up, the surface of forced draught tube (2) is provided with steam check valve (10), blow off pipe (5) and the diapire through connection of flash tank (1) that the bottom of flash tank (1) set up, feed liquor pipe (3) and drain pipe (4) that the surface of flash tank (1) set up all with the lateral wall through connection of flash tank (1), and feed liquor pipe (3) are located the top of drain pipe (4), its characterized in that: the inside of flash tank (1) is provided with crosses filter stand (8), the surface of crossing filter stand (8) is by interior third filter screen (15), second filter screen (14), first filter screen (13) of having set gradually outward.

2. The 3,4, 5-trichlorobenzotrifluoride flash evaporation device according to claim 1, characterized in that: the filter frame (8) comprises a top side plate, a bottom side plate and a center column, a plurality of vertically arranged holes (11) are formed in the outer surface of the center column of the filter frame (8), and through holes (12) are formed in the positions of the top side plate, the bottom side plate and the center column center axis of the filter frame (8) together.

3. A 3,4, 5-trichlorobenzotrifluoride flash apparatus according to any one of claims 1-2, wherein: one end of the liquid outlet pipe (4) penetrates through the flash tank (1) and is fixedly connected with a through hole (12) of a bottom side plate of the filter frame (8).

4. The 3,4, 5-trichlorobenzotrifluoride flash evaporation device according to claim 1, characterized in that: the third filter screen (15), the second filter screen (14) and the first filter screen (13) are stainless steel screen meshes with different densities, and the densities of the third filter screen (15), the second filter screen (14) and the first filter screen (13) are reduced from inside to outside in sequence.

5. The 3,4, 5-trichlorobenzotrifluoride flash evaporation device according to claim 1, characterized in that: and a liquid level meter (6) is arranged on the outer surface of the flash tank (1).

6. The 3,4, 5-trichlorobenzotrifluoride flash evaporation device according to claim 1, characterized in that: the outer surfaces of the pressure delivery pipe (2), the liquid inlet pipe (3), the liquid outlet pipe (4) and the sewage discharge pipe (5) are all provided with electromagnetic valves.

7. The 3,4, 5-trichlorobenzotrifluoride flash evaporation device according to claim 1, characterized in that: and a pressure gauge (7) is arranged on the top wall of the flash tank (1).

8. The 3,4, 5-trichlorobenzotrifluoride flash evaporation device according to claim 1, characterized in that: the bottom side plate of the filter frame (8) and the inner wall of the flash tank (1) are fixedly connected with three support rods (9) which are distributed in a triangular mode.