CN215429083U - Constant-pressure separation device for production of high-purity mixed xylene - Google Patents
Constant-pressure separation device for production of high-purity mixed xylene Download PDFInfo
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- CN215429083U CN215429083U CN202122064406.4U CN202122064406U CN215429083U CN 215429083 U CN215429083 U CN 215429083U CN 202122064406 U CN202122064406 U CN 202122064406U CN 215429083 U CN215429083 U CN 215429083U
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- sampling
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- needle tube
- separation device
- sealing cover
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- 238000000926 separation method Methods 0.000 title claims abstract description 26
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000008096 xylene Substances 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title abstract description 6
- 238000005070 sampling Methods 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- 238000000605 extraction Methods 0.000 abstract description 5
- 239000000243 solution Substances 0.000 description 23
- 239000006260 foam Substances 0.000 description 9
- 230000002146 bilateral effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a constant-pressure separation device for producing high-purity mixed xylene, belonging to the technical field of xylene production and separation, and comprising a water bath tank, a centrifugal reaction kettle rotationally arranged in the water bath tank, a support frame arranged at the upper end of the water bath tank and a sealing cover arranged in the middle of the support frame, wherein a sampling assembly for sampling and separating solution in the centrifugal reaction kettle is arranged in the sealing cover, the opening and closing of a T-shaped sampling needle tube can be controlled by the sampling assembly, when the tail end of the T-shaped sampling needle tube is contacted with the liquid level of upper solution, the inside of the T-shaped sampling needle tube is closed without sampling, when the tail end of the T-shaped sampling needle tube is inserted below the liquid level of the upper solution, the inside of the T-shaped sampling needle tube is opened for sampling, so that the accurate sampling of the upper solution is realized, the problem that the concentration of separation solution is low due to the direct extraction of the upper solution in the prior art is solved, more bubbles.
Description
Technical Field
The utility model relates to the technical field of production and separation of dimethylbenzene, in particular to a constant-pressure separation device for production of high-purity mixed dimethylbenzene.
Background
Xylene is a colorless transparent liquid, is a product of which two hydrogens on a benzene ring are replaced by methyl, and has three isomers of ortho, meta and para, and industrially, the xylene refers to a mixture of the isomers. Xylene is irritant, inflammable, and insoluble in water when mixed with ethanol, chloroform or ether.
The xylene production and separation process comprises the steps of water bath heating, centrifugal separation, standing and layering, upper-layer solution extraction and the like, most of the existing xylene constant-pressure separation devices directly extract the upper-layer solution through a liquid taking head, the xylene mixed solution can generate a large amount of small bubbles during centrifugal separation, the xylene mixed solution can float on the upper surface of the upper-layer solution after standing and layering, and secondary separation is needed if the concentration of the separation solution is low due to direct extraction;
causes the waste of resources and the reduction of preparation efficiency, and provides a constant-pressure separation device for producing high-purity mixed xylene.
Disclosure of Invention
The utility model aims to: in order to solve the problems, the constant pressure separation device for producing the high-purity mixed xylene is provided.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a constant-pressure separation device for producing high-purity mixed xylene comprises a water bath box, a centrifugal reaction kettle rotationally arranged in the water bath box, a support frame arranged at the upper end of the water bath box and a sealing cover arranged in the middle of the support frame, wherein a sampling assembly for sampling and separating solution in the centrifugal reaction kettle is arranged in the sealing cover;
the utility model discloses a centrifugal reaction kettle, including the casing, the casing is equipped with T type sample needle tube, T type sample needle tube middle part is rotated and is equipped with the pivot, the pivot is located the inside circular flashboard that is equipped with of T type sample needle tube, the sample subassembly is including the electric telescopic handle who locates sealed cowling upper end middle part, the electric telescopic handle output is equipped with the casing in centrifugal reaction kettle inside, the casing is inside to be fixed to be equipped with T type sample needle tube, T type sample needle tube middle part is rotated and is equipped with the pivot, the pivot is located the inside circular flashboard that is equipped with of T type sample needle tube, pivot both ends symmetry is equipped with drive gear, T type sample needle tube lower extreme slides in the casing outside and is equipped with the defoaming board.
As a further description of the above technical solution:
the inside drive plate that still slides of casing is equipped with, the gliding circular recess in the T type sample needle tube outside of being convenient for is seted up at the drive plate middle part, drive plate upper end bilateral symmetry is equipped with two U type ejector pads, U type groove one side of U type ejector pad is equipped with the rack, rack and drive gear intermeshing, drive plate lower extreme bilateral symmetry is equipped with two L type push pedals, the gliding rectangle spout of L type push pedal of being convenient for is seted up to the casing lower extreme, the lower extreme contact of foam removing plate upper end and L type push pedal.
As a further description of the above technical solution:
the T-shaped sampling needle tube is characterized in that a limiting ring used for preventing the defoaming plate from sliding out is arranged at the tail end of the T-shaped sampling needle tube, and the upper end of the T-shaped sampling needle tube is communicated with a sampling tube inside the sealing cover through a telescopic tube.
As a further description of the above technical solution:
the material that removes the foam board is polymethyl methacrylate, remove the foam board middle part and seted up the circular slot of being convenient for in the gliding in T type sample needle outside.
As a further description of the above technical solution:
the T type sample needle tubing end is conical, T type sample needle tubing both sides still symmetry are equipped with two buffer spring, the buffer spring lower extreme contacts with L type push pedal upper end.
As a further description of the above technical solution:
a liquid inlet is formed in one side of the sealing cover, and an inner communicating valve and an outer communicating valve are arranged at the upper end of the sealing cover.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
according to the utility model, the opening and closing of the T-shaped sampling needle tube can be controlled through the sampling assembly, when the tail end of the T-shaped sampling needle tube is contacted with the liquid level of the upper solution, the T-shaped sampling needle tube is closed to not sample, and when the tail end of the T-shaped sampling needle tube is inserted below the liquid level of the upper solution, the T-shaped sampling needle tube is opened to sample, so that the upper solution is accurately sampled, and the problems of low concentration of separation liquid and more bubbles caused by the traditional direct extraction of the upper solution are solved.
Drawings
FIG. 1 is a schematic diagram illustrating a centrifugal reaction kettle according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a seal housing provided in accordance with an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating a sampling assembly according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a U-shaped push block provided according to an embodiment of the present invention;
fig. 5 is a schematic view illustrating an opening structure of a circular shutter according to an embodiment of the present invention.
Illustration of the drawings: 1. a water bath tank; 2. a centrifugal reaction kettle; 3. a support frame; 4. a sealing cover; 5. a sampling assembly; 501. an electric telescopic rod; 502. a housing; 503. a T-shaped sampling needle tube; 504. a drive plate; 505. a U-shaped push block; 506. an L-shaped push plate; 507. a defoaming plate; 508. a rotating shaft; 509. a circular shutter; 510. the gears are driven.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
a constant-pressure separation device for producing high-purity mixed xylene comprises a water bath tank 1, a centrifugal reaction kettle 2 rotatably arranged in the water bath tank 1, a support frame 3 arranged at the upper end of the water bath tank 1 and a sealing cover 4 arranged in the middle of the support frame 3, wherein a sampling assembly 5 for sampling and separating solution in the centrifugal reaction kettle 2 is arranged in the sealing cover 4;
sampling subassembly 5 is including locating the electric telescopic handle 501 in the middle part of 4 upper ends of sealed cowling, electric telescopic handle 501 output is equipped with casing 502 in 2 inside centrifugal reaction cauldron, the inside fixed T type sample needle tubing 503 that is equipped with of casing 502, T type sample needle tubing 503 middle part rotates and is equipped with pivot 508, pivot 508 is located the inside circular flashboard 509 that is equipped with of T type sample needle tubing 503, the symmetry at pivot 508 both ends is equipped with drive gear 510, T type sample needle tubing 503 lower extreme slides in the casing 502 outside and is equipped with and removes foam board 507.
Further, the inside drive plate 504 that still slides of casing 502 is equipped with, drive plate 504 middle part is seted up and is convenient for at the gliding circular recess in T type sample needle 503 outside, drive plate 504 upper end bilateral symmetry is equipped with two U type ejector pads 505, U type groove one side of U type ejector pad 505 is equipped with the rack, rack and drive gear 510 intermeshing, drive plate 504 lower extreme bilateral symmetry is equipped with two L type push pedals 506, the gliding rectangle spout of L type push pedal 506 of being convenient for is seted up to casing 502 lower extreme, remove the lower extreme contact of foam board 507 upper end and L type push pedal 506.
Furthermore, the tail end of the T-shaped sampling needle tube 503 is provided with a limiting ring for preventing the defoaming plate 507 from sliding out, and the upper end of the T-shaped sampling needle tube 503 is communicated with the sampling tube in the sealing cover 4 through a telescopic tube.
Further, the material that removes foam board 507 is polymethyl methacrylate, and polymethyl methacrylate density is less than water, also has certain structural strength simultaneously on can floating on the surface of water, can slide in the T type sample needle pipe 503 outside, removes foam board 507 middle part and offers the circular slot of being convenient for in the gliding in T type sample needle pipe 503 outside.
Furthermore, the tail end of the T-shaped sampling needle tube 503 is conical, two buffer springs are symmetrically arranged on two sides of the T-shaped sampling needle tube 503, and the lower ends of the buffer springs are in contact with the upper end of the L-shaped push plate 506.
Further, one side of the sealing cover 4 is provided with a liquid inlet, and the upper end of the sealing cover 4 is provided with an internal and external communicating valve.
The working principle is as follows: when the device is used, after the solution in the centrifugal reaction kettle 2 is subjected to water bath heating, centrifugal separation, standing layering and other processes, the electric telescopic rod 501 is started, the electric telescopic rod 501 extends out to enable the shell 502 to move downwards, if the tail end of the T-shaped sampling needle tube 503 is contacted with the upper-layer solution in the centrifugal reaction kettle 2, the defoaming plate 507 is not contacted with the liquid level, the defoaming plate 507 is still, so that the channel in the T-shaped sampling needle tube 503 is closed, liquid can not be taken, bubbles of the upper-layer solution can not be extracted, if the tail end of the T-shaped sampling needle tube 503 is inserted into the upper-layer solution, the density of the defoaming plate 507 is smaller than that of water, the defoaming plate 507 moves upwards under the action of buoyancy, so that the L-shaped push plate 506 moves upwards, the L-shaped push plate 506 moves upwards to drive the drive plate 504 to move upwards, and further the two U-shaped push blocks 505 move upwards, so that the drive gear 510 meshed with the defoaming plate rotates, the rotation of the driving gear 510 causes the rotation shaft 508 to rotate, further causes the circular shutter 509 to rotate a certain angle, thereby causing the internal passage of the T-shaped sampling needle tube 503 to be opened, and the interior of the sampling tube is communicated to start sampling;
sample a period after, the upper liquid level descends, thereby make and remove foam board 507 and also can descend, further make circular flashboard 509 slowly close, the inside flow of sample pipe slowly reduces, operating personnel discovers just control electric telescopic handle 501 and continue to stretch out after the separation solution flow reduces, thereby make casing 502 downstream, at this moment remove foam board 507 and just continue to float in the liquid level top, T type sample needle pipe 503 internal passage opens, sampling operation continues, whole process can not be to the bubble extraction of liquid level upper strata, high efficiency.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A constant-pressure separation device for producing high-purity mixed xylene comprises a water bath tank (1), a centrifugal reaction kettle (2) rotatably arranged in the water bath tank (1), a support frame (3) arranged at the upper end of the water bath tank (1) and a sealing cover (4) arranged in the middle of the support frame (3), and is characterized in that a sampling assembly (5) for sampling and separating solution in the centrifugal reaction kettle (2) is arranged in the sealing cover (4);
sampling subassembly (5) is including locating electric telescopic handle (501) at sealed cowling (4) upper end middle part, electric telescopic handle (501) output is equipped with casing (502) in centrifugal reaction cauldron (2) inside, casing (502) inside is fixed and is equipped with T type sample needle tubing (503), T type sample needle tubing (503) middle part is rotated and is equipped with pivot (508), pivot (508) are located T type sample needle tubing (503) inside and are equipped with circular flashboard (509), pivot (508) both ends symmetry is equipped with drive gear (510), T type sample needle tubing (503) lower extreme slides in casing (502) outside and is equipped with defoaming board (507).
2. The constant pressure separation device for producing high-purity mixed xylene according to claim 1, wherein a driving plate (504) is slidably arranged inside the housing (502), a circular groove which is convenient to slide outside the T-shaped sampling needle tube (503) is formed in the middle of the driving plate (504), two U-shaped push blocks (505) are symmetrically arranged on two sides of the upper end of the driving plate (504), a rack is arranged on one side of the U-shaped groove of the U-shaped push block (505), the rack is meshed with the driving gear (510), two L-shaped push plates (506) are symmetrically arranged on two sides of the lower end of the driving plate (504), a rectangular sliding groove which is convenient for the L-shaped push plates (506) to slide is formed in the lower end of the housing (502), and the upper end of the defoaming plate (507) is in contact with the lower ends of the L-shaped push plates (506).
3. The constant pressure separation device for producing high-purity mixed xylene according to claim 1, characterized in that the T-shaped sampling needle tube (503) is provided with a limiting ring at the end for preventing the defoaming plate (507) from slipping out, and the upper end of the T-shaped sampling needle tube (503) is communicated with the sampling tube inside the sealing cover (4) through a telescopic tube.
4. The constant pressure separation device for producing high-purity mixed xylene according to claim 1, wherein the defoaming plate (507) is made of polymethyl methacrylate, and a circular groove which is convenient to slide outside the T-shaped sampling needle tube (503) is formed in the middle of the defoaming plate (507).
5. The constant pressure separation device for producing high-purity mixed xylene according to claim 2, wherein the T-shaped sampling needle tube (503) has a conical end, two buffer springs are symmetrically arranged on two sides of the T-shaped sampling needle tube (503), and the lower ends of the buffer springs are in contact with the upper end of the L-shaped push plate (506).
6. The constant pressure separation device for producing high-purity mixed xylene according to claim 1, wherein a liquid inlet is arranged at one side of the sealing cover (4), and an internal and external communicating valve is arranged at the upper end of the sealing cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122064406.4U CN215429083U (en) | 2021-08-30 | 2021-08-30 | Constant-pressure separation device for production of high-purity mixed xylene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122064406.4U CN215429083U (en) | 2021-08-30 | 2021-08-30 | Constant-pressure separation device for production of high-purity mixed xylene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215429083U true CN215429083U (en) | 2022-01-07 |
Family
ID=79697527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122064406.4U Active CN215429083U (en) | 2021-08-30 | 2021-08-30 | Constant-pressure separation device for production of high-purity mixed xylene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215429083U (en) |
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2021
- 2021-08-30 CN CN202122064406.4U patent/CN215429083U/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: A constant pressure separation device for the production of high-purity mixed xylene Granted publication date: 20220107 Pledgee: Xinjiang Bank Co.,Ltd.|Industrial Bank Co.,Ltd. Urumqi Branch|China Minsheng Bank Co.,Ltd. Urumqi Branch Pledgor: Weifang Sanchang Chemical Technology Co.,Ltd. Registration number: Y2024980003310 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |