CN218686471U - Multistage recovery unit of glycerol triacetate - Google Patents

Multistage recovery unit of glycerol triacetate Download PDF

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Publication number
CN218686471U
CN218686471U CN202222880465.3U CN202222880465U CN218686471U CN 218686471 U CN218686471 U CN 218686471U CN 202222880465 U CN202222880465 U CN 202222880465U CN 218686471 U CN218686471 U CN 218686471U
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tower
inlet pipe
pipe
annular
annular filter
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CN202222880465.3U
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Chinese (zh)
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陈祥
张勇
郭鹏程
杨旭忠
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Jiangsu Ruijia New Material Co ltd
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Jiangsu Ruijia New Material Co ltd
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  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

The utility model discloses a multistage recovery unit of glycerol triacetate belongs to glycerol triacetate recovery unit technical field, including the drying tower, the condensing tower, adsorption tower and retort, the drying tower lower extreme is linked together through pipeline and retort, the inside cooling module that is equipped with of condensing tower, through setting up baffle and air guide cover, when realizing the gas circulation, avoid the condensate to flow backwards to the intake pipe in, through setting up return bend and honeycomb duct, realize carrying out the effect of retrieving fast to the condensate, through setting up the annular filter section of thick bamboo, increase the area of contact of spiral coil surface and water, avoid spiral coil one side large tracts of land winding to lead to being difficult to with water contact, influence the problem of cooling rate.

Description

Multistage recovery unit of glycerol triacetate
Technical Field
The utility model relates to a glycerol triacetate recovery unit technical field especially relates to a multistage recovery unit of glycerol triacetate.
Background
Triacetin is as the extensive meticulous chemical products of a usage, as an organic solvent, be a macromolecular compound, remain in volatile organic gas in process of production, these gaseous direct discharge neither environmental protection nor economy, most of triacetin recovery unit are through setting up helical coil, make the gas of circulation carry out the condensation liquefaction, but simply retrieve through the liquefied mode of condensation, can't handle tail gas and ester water mixture, the winding one side large tracts of land of helical coil is difficult to with water contact, influence cooling rate, the triacetin of retrieving is complete inadequately, the condensate that the while condensation produced can be along the helical coil refluence, in the easy backward flow intake pipe, can't be quick direct retrieves the condensate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the technical problem, a glycerol triacetate multistage recovery device is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a glycerol triacetate multi-stage recovery device comprises a drying tower, a condensing tower, an adsorption tower and a distillation retort, wherein the lower end of the drying tower is communicated with the distillation retort through a pipeline, and a cooling assembly is arranged in the condensing tower;
the cooling assembly comprises an annular cylinder arranged in the condensation tower, a water inlet pipe arranged at the lower end of one side of the condensation tower and a water outlet pipe arranged at the upper end of one side of the condensation tower, wherein the upper end and the lower end of the annular cylinder are respectively provided with a sealing plate, the side wall of the sealing plate is fixedly connected with the inner wall of the condensation tower, the middle part of the annular cylinder is provided with an annular filter cylinder, the upper end and the lower end of the annular filter cylinder are respectively fixedly connected with two sealing plates, a spiral coil pipe is wound on the outer side of the annular filter cylinder, the middle part of one side of the condensation tower is provided with an air inlet pipe, one end of the air inlet pipe penetrates into the annular filter cylinder and is fixedly connected with one end of the spiral coil pipe, the other end of the spiral coil pipe penetrates out of the condensation tower and is communicated with the adsorption tower through a pipeline, a fixed rod is arranged on the outer side of the annular filter cylinder, the other end of the air inlet pipe is fixedly connected with the upper end of the drying tower, one end of the annular filter cylinder penetrates out of the annular filter cylinder and is communicated with the spiral coil pipe, a guide pipe is arranged below the middle part of the sealing plate and is provided with a guide pipe, the upper end of the guide pipe is communicated with the lower end of the guide pipe, the lower end of the guide pipe penetrates out of the condensation tower and is provided with a valve, and the lower end of the condensation tower, and an auxiliary component is arranged in the air inlet pipe.
As a further description of the above technical solution:
the auxiliary member is including locating the inside baffle of admission pipe and locating the inside air guide cover of admission pipe, the baffle is located between air guide cover and the annular cartridge filter, the air guide cover sets up for loudspeaker form and the little one end of opening runs through the baffle middle part.
As a further description of the above technical solution:
the middle parts of the water inlet pipe and the water outlet pipe are respectively provided with a valve, and the output ends of the water inlet pipe and the water outlet pipe are respectively communicated with the inside of the annular cylinder.
As a further description of the above technical solution:
and a valve is arranged in the middle of the air inlet pipe.
As a further description of the above technical solution:
the annular filter cylinder, the annular cylinder and the condensing tower are all located on the same axis.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses in, through setting up baffle and air guide cover, when realizing the circulation of gas, avoid the condensate to flow backwards to the intake pipe in, through setting up return bend and honeycomb duct, realize carrying out the effect of retrieving to the condensate fast, through setting up the toroidal filter section of thick bamboo, increase the area of contact of spiral coil surface and water avoids spiral coil one side large tracts of land winding to lead to being difficult to with water contact, influence cooling rate's problem.
Drawings
Fig. 1 is an external view of a recycling apparatus according to an embodiment of the present invention;
fig. 2 shows a schematic structural diagram of a cooling assembly provided according to an embodiment of the present invention;
fig. 3 shows a schematic view of a cooling assembly structure according to an embodiment of the present invention in a top-down view;
fig. 4 shows a schematic structural diagram of a point a in fig. 2 according to an embodiment of the present invention.
Illustration of the drawings: 1. a drying tower; 2. a condensing tower; 3. an adsorption tower; 4. a distillation tank; 5. an annular cylinder; 6. a water inlet pipe; 7. a water outlet pipe; 8. a sealing plate; 9. an annular filter cartridge; 10. a helical coil; 11. an air inlet pipe; 12. bending the pipe; 13. a flow guide pipe; 14. fixing the rod; 15. a partition plate; 16. and a gas guide hood.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
a glycerol triacetate multistage recovery device comprises a drying tower 1, a condensing tower 2, an adsorption tower 3 and a distillation retort 4, wherein the lower end of the drying tower 1 is communicated with the distillation retort 4 through a pipeline, and a cooling assembly is arranged inside the condensing tower 2;
the cooling component comprises an annular cylinder 5 arranged in the condensing tower 2, a water inlet pipe 6 arranged at the lower end of one side of the condensing tower 2 and a water outlet pipe 7 arranged at the upper end of one side of the condensing tower 2, sealing plates 8 are respectively arranged at the upper end and the lower end of the annular cylinder 5, the side walls of the sealing plates 8 are fixedly connected with the inner wall of the condensing tower 2, an annular filter cylinder 9 is arranged in the middle of the annular cylinder 5, water can enter the annular filter cylinder 9, the upper end and the lower end of the annular filter cylinder 9 are respectively fixedly connected with the two sealing plates 8, a spiral coil pipe 10 is wound on the outer side of the annular filter cylinder 9, further ensuring that the contact surface of the spiral coil 10 and the annular filter cylinder 9 is contacted with water, an air inlet pipe 11 is arranged in the middle of one side of the condensing tower 2, a valve is arranged in the middle of the air inlet pipe 11, one end of the air inlet pipe 11 penetrates into the annular filter cylinder 9 and is fixedly connected with one end of the spiral coil 10, the spiral coil 10 can increase the flow stroke of gas and ensure sufficient condensation and liquefaction, the other end of the spiral coil 10 penetrates out of the condensing tower 2 and is communicated with the adsorption tower 3 through a pipeline, a fixed rod 14 is arranged outside the annular filter cylinder 9, one side surface of the spiral coil 10 is fixedly connected with the lower end of the fixed rod 14, the other end of the air inlet pipe 11 is fixedly connected with the upper end of the drying tower 1, a bent pipe 12 is arranged on the inner wall of the annular filter cylinder 9, one end of the bent pipe 12 penetrates out of the annular filter cylinder 9 and is communicated with the spiral coil 10, a guide pipe 13 is arranged in the middle of the lower sealing plate 8, the upper end of the guide pipe 13 is communicated with the lower end of the bent pipe 12, a valve is arranged outside the condensing tower 2, organic gas flows in the spiral coil 10, glycerol triacetate vapor in the gas, the gas is liquefied when the gas is cooled and flows downwards along the spiral coil 10, then flows into a flow guide pipe 13 through an elbow pipe 12 and finally flows out of the condensing tower 2, and an auxiliary part is arranged inside the air inlet pipe 11.
The auxiliary part comprises a partition plate 15 arranged in the air inlet pipe 11 and an air guide cover 16 arranged in the air inlet pipe 11, the partition plate 15 is positioned between the air guide cover 16 and the annular filter cartridge 9, and the air guide cover 16 is arranged in a horn shape, and one end with a small opening penetrates through the middle of the partition plate 15; so that the gas flows through the gas guide hood 16 in the gas inlet pipe 11, and the partition plate 15 effectively avoids the backflow of the condensed liquid.
The middle parts of the water inlet pipe 6 and the water outlet pipe 7 are respectively provided with a valve, and the output ends of the water inlet pipe 6 and the water outlet pipe 7 are respectively communicated with the inside of the annular cylinder 5; the cold water is introduced into the annular cylinder 5 through the water inlet pipe 6, and the hot water above the inside of the annular cylinder 5 is discharged in time through the water outlet pipe 7, so that the temperature rise of the water in the annular cylinder 5 is avoided.
The annular filter cylinder 9, the annular cylinder 5 and the condensing tower 2 are all located on the same axis, the spiral coil pipe 10 wound on the annular filter cylinder 9 is located at the center of the annular cylinder 5, and the spiral coil pipe 10 is guaranteed to be in full contact with water.
The working principle is as follows: when the device is used, volatile organic gas generated in production of the glycerol triacetate is introduced into the drying tower 1, the organic gas flows in the drying tower 1, gradually meets cold and liquefies to form water drops and drops downwards at the bottom of the drying tower 1, then flows into the distillation retort 4 through a pipeline, lipid mixed gas enters the condensation tower 2 through the air inlet pipe 11, cold water is introduced into the annular cylinder 5 through the water inlet pipe 6, the valve of the water outlet pipe 7 is kept in an open state, hot water flows out conveniently, the gas enters the spiral coil 10 through the air inlet pipe 11, the organic gas flows in the spiral coil 10, glycerol triacetate steam mixed in the gas is liquefied under cold and flows downwards along the spiral coil 10, then flows into the flow guide pipe 13 through the bent pipe 12 and finally flows out of the condensation tower 2, then the generated lipid residual gas flows into the adsorption tower 3 along the pipeline, and the adsorption tower 3 adsorbs impurities such as esters, alcohols and acids in the residual gas, so that the residual gas is purified more thoroughly, and finally the waste gas reaching the standard is discharged outwards.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The glycerol triacetate multi-stage recovery device comprises a drying tower (1), a condensing tower (2), an adsorption tower (3) and a distillation retort (4), wherein the lower end of the drying tower (1) is communicated with the distillation retort (4) through a pipeline, and is characterized in that a cooling assembly is arranged inside the condensing tower (2);
the cooling assembly comprises an annular cylinder (5) arranged inside a condensation tower (2), a water inlet pipe (6) arranged at the lower end of one side of the condensation tower (2) and a water outlet pipe (7) arranged at the upper end of one side of the condensation tower (2), sealing plates (8) are respectively arranged at the upper end and the lower end of the annular cylinder (5), the side walls of the sealing plates (8) are fixedly connected with the inner wall of the condensation tower (2), an annular filter cylinder (9) is arranged in the middle of the annular cylinder (5), the upper end and the lower end of the annular filter cylinder (9) are fixedly connected with the two sealing plates (8), a spiral coil (10) is wound on the outer side of the annular filter cylinder (9), an air inlet pipe (11) is arranged in the middle of one side of the condensation tower (2), one end of the air inlet pipe (11) penetrates into the annular filter cylinder (9) and is fixedly connected with one end of the spiral coil (10), the other end of the spiral coil (10) penetrates out of the condensation tower (2) and is communicated with an adsorption tower (3) through a pipeline, a fixing rod (14) is arranged on the outer side surface of the spiral coil (10) and penetrates out of the annular filter cylinder (12), and the inner wall of the annular filter cylinder (9) penetrates out of the drying tower (12), and the annular filter cylinder (10) And the lower part is communicated with a guide pipe (13) which is arranged in the middle of the sealing plate (8) in a penetrating way, the upper end of the guide pipe (13) is communicated with the lower end of the bent pipe (12), the lower end of the guide pipe (13) penetrates out of the condensation tower (2) and is provided with a valve, and an auxiliary part is arranged inside the air inlet pipe (11).
2. A glycerol triacetate multi-stage recovery device according to claim 1, wherein the auxiliary member comprises a partition plate (15) arranged inside the air inlet pipe (11) and an air guide hood (16) arranged inside the air inlet pipe (11), the partition plate (15) is positioned between the air guide hood (16) and the annular filter cylinder (9), and the air guide hood (16) is arranged in a trumpet shape, and one end with a small opening penetrates through the middle of the partition plate (15).
3. A glycerol triacetate multi-stage recovery device as defined in claim 1, wherein valves are provided in the middle of the water inlet pipe (6) and the water outlet pipe (7), and the output ends of the water inlet pipe (6) and the water outlet pipe (7) are communicated with the inside of the annular cylinder (5).
4. A glycerol triacetate multistage recovery device according to claim 1, wherein a valve is provided in the middle of the air inlet pipe (11).
5. A multistage glycerol triacetate recovery device according to claim 1, wherein the annular filter cartridge (9), the annular cylinder (5), and the condensation tower (2) are all located on the same axis.
CN202222880465.3U 2022-10-31 2022-10-31 Multistage recovery unit of glycerol triacetate Active CN218686471U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222880465.3U CN218686471U (en) 2022-10-31 2022-10-31 Multistage recovery unit of glycerol triacetate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222880465.3U CN218686471U (en) 2022-10-31 2022-10-31 Multistage recovery unit of glycerol triacetate

Publications (1)

Publication Number Publication Date
CN218686471U true CN218686471U (en) 2023-03-24

Family

ID=85595451

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222880465.3U Active CN218686471U (en) 2022-10-31 2022-10-31 Multistage recovery unit of glycerol triacetate

Country Status (1)

Country Link
CN (1) CN218686471U (en)

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