CN218046523U - Vacuum distiller for separating 2, 3-dimethyl-2, 3-diphenyl butane - Google Patents
Vacuum distiller for separating 2, 3-dimethyl-2, 3-diphenyl butane Download PDFInfo
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- CN218046523U CN218046523U CN202220941130.5U CN202220941130U CN218046523U CN 218046523 U CN218046523 U CN 218046523U CN 202220941130 U CN202220941130 U CN 202220941130U CN 218046523 U CN218046523 U CN 218046523U
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- pipe
- measuring hole
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- HGTUJZTUQFXBIH-UHFFFAOYSA-N (2,3-dimethyl-3-phenylbutan-2-yl)benzene Chemical compound C=1C=CC=CC=1C(C)(C)C(C)(C)C1=CC=CC=C1 HGTUJZTUQFXBIH-UHFFFAOYSA-N 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000004821 distillation Methods 0.000 claims abstract description 24
- 238000009833 condensation Methods 0.000 claims abstract description 22
- 230000005494 condensation Effects 0.000 claims abstract description 22
- 239000000498 cooling water Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 239000011810 insulating material Substances 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 239000012774 insulation material Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims 2
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract description 3
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 6
- 238000011084 recovery Methods 0.000 description 3
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- FIKAKWIAUPDISJ-UHFFFAOYSA-L paraquat dichloride Chemical compound [Cl-].[Cl-].C1=C[N+](C)=CC=C1C1=CC=[N+](C)C=C1 FIKAKWIAUPDISJ-UHFFFAOYSA-L 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- BDCFWIDZNLCTMF-UHFFFAOYSA-N 2-phenylpropan-2-ol Chemical compound CC(C)(O)C1=CC=CC=C1 BDCFWIDZNLCTMF-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000002972 grafting catalyst Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a reduced pressure distiller for separating 2, 3-dimethyl-2, 3-diphenyl butane, which comprises a condensate tank and a distillation tower, wherein a steam distributor is welded at the upper end of the condensate tank, a liquid collector is welded at the lower end of the condensate tank, and a condenser pipe is communicated between the steam distributor and the liquid collector; the condensation pipe is positioned in the cavity of the condensation water tank, the lower part of the side wall of the condensation water tank is communicated with a cooling water inlet, and the upper part of the side wall of the condensation water tank is communicated with a cooling water outlet; the top end of the steam distributor is communicated with a guide pipe, and the bottom end of the liquid collector is communicated with a collecting tank. The utility model can greatly improve the condensing efficiency of the fraction by arranging the water cooling device, so that the fraction is fully condensed, and the fraction is prevented from entering the vacuum pump to cause the damage of the vacuum pump; through the distillation column that sets up to fill and fill insulating material for the distillation column reduces to the heat of external radiation, and then reduces the energy loss of device.
Description
Technical Field
The utility model relates to the technical field of chemical production equipment, in particular to a reduced pressure distiller for separating 2, 3-dimethyl-2, 3-diphenyl butane.
Background
2, 3-dimethyl-2, 3-diphenylbutane, also known as paraquat, can be used as a grafting catalyst, a polymer crosslinking initiator, an engineering plastic modifier and a flame retardant synergist. 2, 3-dimethyl-2, 3-diphenylbutane can be prepared in a number of ways, one of which is by free radical coupling of cumene under the action of dicumyl peroxide to give a product stream containing 2, 3-dimethyl-2, 3-diphenylbutane.
The main components of the product obtained by the production mode are cumene, paraquat and alpha, alpha-dimethyl benzyl alcohol, and a small amount of byproducts such as acetophenone can be possibly generated.
Through the retrieval, chinese patent application No. 201811405343.0 discloses a decompression distillation plant, including stills, stills's steam outlet connects gradually steam pipe, condenser pipe, recovery tube and recovery tank, and the top of recovery tank is connected with vacuum generator, and the condenser pipe corresponds the position and is equipped with the condensing fan, and condensing fan and condenser pipe are located and hold indoor. One of the vacuum distillation apparatuses in the above patents has the following disadvantages: the condensation stage of the device adopts the condensation fan to directly radiate heat for the condensation pipe, and because the air contact area that the condensation pipe blew off with the condensation fan is less, the heat exchange efficiency between the air that so condensation pipe and condensation fan blew off is lower, and then makes the condensation effect poor, and then makes the required time of distillation longer, reduces production efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a vacuum distiller for separating 2, 3-dimethyl-2, 3-diphenyl butane.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the reduced pressure distiller for separating the 2, 3-dimethyl-2, 3-diphenyl butane comprises a condensed water tank and a distillation tower, wherein a steam separator is welded at the upper end of the condensed water tank, a liquid collector is welded at the lower end of the condensed water tank, and a condensing pipe is communicated between the steam separator and the liquid collector; the condenser pipe is positioned in the cavity of the condensed water tank, the lower part of the side wall of the condensed water tank is communicated with a cooling water inlet, and the upper part of the side wall of the condensed water tank is communicated with a cooling water outlet; the top end of the steam distributor is communicated with a guide pipe, and the bottom end of the liquid collector is communicated with a collecting tank.
As a further aspect of the present invention: the distillation tower is of a multi-layer tank structure and comprises an inner tank and an outer casing, and a heat insulation material is arranged between the inner tank and the outer casing.
As a further aspect of the present invention: the top of the inner tank is integrally formed with a steam outlet, a second temperature measuring hole and a pressure measuring hole, and the steam outlet, the second temperature measuring hole and the pressure measuring hole penetrate through the heat insulation material and the outer sleeve shell.
As a further aspect of the present invention: the steam outlet is communicated with one end of the guide pipe, a second temperature sensor is arranged in the second temperature measuring hole, and a pressure sensor is arranged in the pressure measuring hole.
As a further aspect of the present invention: a first temperature measuring hole and a heating hole are integrally formed below the right side of the inner tank and penetrate through the heat insulation material and the outer casing; a first temperature sensor is arranged in the first temperature measuring hole, and a heating pipe is arranged in the heating hole.
As the utility model discloses further scheme again: the bottom integrated into one piece of inner tank has supporting legs and first discharging pipe, first discharging pipe communicates in the bottom of inner tank, install first valve on the first discharging pipe.
As a further aspect of the present invention: and one side of the bottom of the collecting tank is communicated with a second discharging pipe, and a second valve is installed on the second discharging pipe.
As the utility model discloses further scheme again: one side of the top of the collecting tank is communicated with a pressure regulating valve, and the other end of the pressure regulating valve is communicated with a vacuum pump.
The beneficial effects of the utility model are that:
1. through setting up water cooling plant, can greatly improve the condensation efficiency of fraction for the abundant condensation of fraction prevents to cause the damage of vacuum pump in the fraction entering vacuum pump.
2. Through the distillation column that sets up to fill and fill insulating material for the distillation column reduces to the heat of external radiation, and then reduces the energy loss of device.
3. Through setting up first temperature sensor, can acquire the temperature of heating material in real time, prevent that the high temperature from causing the comforting to decompose.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a vacuum distiller for separating 2, 3-dimethyl-2, 3-diphenylbutane proposed in the present invention;
FIG. 2 is a schematic diagram of the internal structure of the condensed water tank of the vacuum distiller for separating 2, 3-dimethyl-2, 3-diphenylbutane provided by the present invention;
FIG. 3 is a schematic sectional view of a distillation column of a vacuum distiller for separating 2, 3-dimethyl-2, 3-diphenylbutane according to the present invention.
In the figure: 1-supporting foot, 2-first discharging pipe, 3-first valve, 4-heating pipe, 5-first temperature sensor, 6-distillation tower, 7-pressure sensor, 8-second temperature sensor, 9-guide pipe, 10-steam separator, 11-condensed water tank, 12-liquid collector, 13-pressure regulating valve, 14-vacuum pump, 15-second valve, 16-second discharging pipe, 17-collecting tank, 18-cooling water inlet, 19-cooling water outlet, 20-condensing pipe, 21-steam outlet, 22-second temperature measuring hole, 23-pressure measuring hole, 24-outer housing, 25-heat insulating material, 26-inner tank, 27-first temperature measuring hole, 28-heating hole.
Detailed Description
The technical solution of the present patent will be further described in detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are illustrative only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
A reduced pressure distiller for separating 2, 3-dimethyl-2, 3-diphenyl butane comprises a condensed water tank 11 and a distillation tower 6 as shown in figure 1-3, wherein a steam separator 10 is welded at the upper end of the condensed water tank 11, and a liquid collector 12 is welded at the lower end of the condensed water tank 11;
in order to increase the heat dissipation area of the fraction steam; a plurality of condensing pipes 20 are communicated between the steam distributor 10 and the liquid collector 12;
in order to increase the heat radiation speed of the condensation pipe 20; the condenser pipe 20 is positioned in the cavity of the condensed water tank 11, the lower part of the side wall of the condensed water tank 11 is communicated with a cooling water inlet 18, and the upper part of the side wall of the condensed water tank 11 is communicated with a cooling water outlet 19;
by arranging the condensation pipe 20 and the condensation water tank 11, the heat exchange efficiency of the fraction steam is increased, and the condensation speed is increased.
The top end of the steam distributor 10 is communicated with a guide pipe 9, and the bottom end of the liquid collector 12 is communicated with a collecting tank 17; by providing the collection tank 17, the condensed fraction can be collected.
To save the energy required for heating; the distillation tower 6 is of a multi-layer tank structure, the distillation tower 6 comprises an inner tank 26 and an outer casing 24, and a heat insulation material 25 is arranged between the inner tank 26 and the outer casing 24.
The steam outlet 21, the second temperature measuring hole 22 and the pressure measuring hole 23 are integrally formed at the top of the inner tank 26, the first temperature measuring hole 27 and the heating hole 28 are integrally formed below the right side of the inner tank 26, and the steam outlet 21, the second temperature measuring hole 22, the pressure measuring hole 23, the first temperature measuring hole 27 and the heating hole 28 penetrate through the heat insulating material 25 and the outer casing 24.
The steam outlet 21 is communicated with one end of the conduit 9.
In order to obtain the temperature and pressure values at the top of the distillation column 6 in real time; and a second temperature sensor 8 is arranged in the second temperature measuring hole 22, and a pressure sensor 7 is arranged in the pressure measuring hole 23.
In order to obtain the temperature of the bottom liquid of the distillation column 6 in real time; a first temperature sensor 5 is installed in the first temperature measuring hole 27, and a heating pipe 4 is installed in the heating hole 28.
The bottom of inner tank 26 is integrated into one piece has supporting legs 1 and first discharging pipe 2, first discharging pipe 2 communicates in the bottom of inner tank 26.
A first valve 3 is arranged on the first discharge pipe 2; one side of the bottom of the collecting tank 17 is communicated with a second discharging pipe 16, and a second valve 15 is installed on the second discharging pipe 16.
By arranging the first discharge pipe 2 and the first valve 3, residual substances in the distillation tower 6 after reduced pressure distillation can be taken out conveniently; by providing the second outlet pipe 16 and the second valve 15, the removal of the collected fraction can be facilitated.
One side of the top of the collecting tank 17 is communicated with a pressure regulating valve 13, the other end of the pressure regulating valve 13 is communicated with a vacuum pump 14, and the vacuum pump 14 and the pressure regulating valve 13 are arranged, so that the pressure reducing pressure of the device can be conveniently regulated.
The working principle is as follows: in the present embodiment, the reaction product containing cumene, α -dimethylbenzyl alcohol and 2, 3-dimethyl-2, 3-diphenylbutane is placed in the distillation column 6, and then the heating temperature is set, i.e. the temperature measured by the first temperature sensor 5 should not be higher than the decomposition temperature of 2, 3-dimethyl-2, 3-diphenylbutane, after the temperature is set, the heating tube 4 is automatically heated by being electrified, and when the temperature rises to the vicinity of the set value, the heating tube 4 stops heating.
And (3) opening the vacuum pump 14, adjusting the pressure regulating valve 13 to enable the measured value of the pressure sensor 7 to reach the required pressure, introducing cooling water from a cooling water inlet 18, and enabling the cooling water after the cooling work to flow out through a cooling water outlet 19 and be recycled after being cooled.
After distilling for a period of time, stopping heating, opening the first valve 3 while hot, collecting the residual components in the distillation tower 6, and obtaining the 2, 3-dimethyl-2, 3-diphenylbutane which is crystallized and separated out after the temperature is reduced.
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 (8)
1. A reduced pressure distiller for separating 2, 3-dimethyl-2, 3-diphenyl butane comprises a condensed water tank (11) and a distillation tower (6), and is characterized in that a steam separator (10) is welded at the upper end of the condensed water tank (11), a liquid collector (12) is welded at the lower end of the condensed water tank (11), and a condensing pipe (20) is communicated between the steam separator (10) and the liquid collector (12); the condensation pipe (20) is positioned in the cavity of the condensation water tank (11), the lower part of the side wall of the condensation water tank (11) is communicated with a cooling water inlet (18), and the upper part of the side wall of the condensation water tank (11) is communicated with a cooling water outlet (19); the top end of the steam distributor (10) is communicated with a guide pipe (9), and the bottom end of the liquid collector (12) is communicated with a collecting tank (17).
2. A reduced pressure distillation apparatus for separating 2, 3-dimethyl-2, 3-diphenyl butane according to claim 1, wherein the distillation column (6) is a multi-layer tank structure, the distillation column (6) comprises an inner tank (26) and an outer jacket (24), and a thermal insulation material (25) is arranged between the inner tank (26) and the outer jacket (24).
3. A reduced pressure distiller for separating 2, 3-dimethyl-2, 3-diphenyl butane according to claim 2, characterized in that the top of the inner tank (26) is integrally formed with a steam outlet (21), a second temperature measuring hole (22) and a pressure measuring hole (23), and the steam outlet (21), the second temperature measuring hole (22) and the pressure measuring hole (23) penetrate through the heat insulating material (25) and the outer casing (24).
4. A reduced pressure distiller for separation of 2, 3-dimethyl-2, 3-diphenyl butane according to claim 3, characterized in that the steam outlet (21) is connected to one end of the conduit (9), the second temperature measuring hole (22) is provided with the second temperature sensor (8), and the pressure measuring hole (23) is provided with the pressure sensor (7).
5. A reduced pressure distiller for separating 2, 3-dimethyl-2, 3-diphenyl butane according to claim 4, characterized in that a first temperature measuring hole (27) and a heating hole (28) are integrally formed at the lower part of the right side of the inner tank (26), and the first temperature measuring hole (27) and the heating hole (28) penetrate through the heat insulating material (25) and the outer casing (24); a first temperature sensor (5) is installed in the first temperature measuring hole (27), and a heating pipe (4) is installed in the heating hole (28).
6. The vacuum distiller for separating 2, 3-dimethyl-2, 3-diphenyl butane according to claim 5, characterized in that the bottom of the inner tank (26) is integrally formed with a supporting leg (1) and a first discharging pipe (2), the first discharging pipe (2) is connected to the bottom of the inner tank (26), and the first discharging pipe (2) is provided with a first valve (3).
7. A reduced pressure distiller for separating 2, 3-dimethyl-2, 3-diphenyl butane according to claim 6, characterized in that a second discharge pipe (16) is connected to one side of the bottom of the collecting tank (17), and a second valve (15) is mounted on the second discharge pipe (16).
8. A reduced pressure distiller for 2, 3-dimethyl-2, 3-diphenyl butane separation according to claim 7, characterized in that the top side of the collection tank (17) is connected with a pressure regulating valve (13), and the other end of the pressure regulating valve (13) is connected with a vacuum pump (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220941130.5U CN218046523U (en) | 2022-04-21 | 2022-04-21 | Vacuum distiller for separating 2, 3-dimethyl-2, 3-diphenyl butane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220941130.5U CN218046523U (en) | 2022-04-21 | 2022-04-21 | Vacuum distiller for separating 2, 3-dimethyl-2, 3-diphenyl butane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218046523U true CN218046523U (en) | 2022-12-16 |
Family
ID=84428317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220941130.5U Active CN218046523U (en) | 2022-04-21 | 2022-04-21 | Vacuum distiller for separating 2, 3-dimethyl-2, 3-diphenyl butane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218046523U (en) |
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2022
- 2022-04-21 CN CN202220941130.5U patent/CN218046523U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Vacuum Distiller for Separation of 2,3-dimethyl-2,3-diphenylbutane Effective date of registration: 20231117 Granted publication date: 20221216 Pledgee: Agricultural Bank of China Limited Dongzhi County Branch Pledgor: Chizhou Tianfeng Fine Chemical Co.,Ltd. Registration number: Y2023980066069 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |