CN214130332U - PX (PX) heterogeneous-grade mixed xylene separation device - Google Patents
PX (PX) heterogeneous-grade mixed xylene separation device Download PDFInfo
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- CN214130332U CN214130332U CN202121591406.3U CN202121591406U CN214130332U CN 214130332 U CN214130332 U CN 214130332U CN 202121591406 U CN202121591406 U CN 202121591406U CN 214130332 U CN214130332 U CN 214130332U
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- separation
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- separation tower
- pipe
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- 238000000926 separation method Methods 0.000 title claims abstract description 53
- 239000008096 xylene Substances 0.000 title claims abstract description 23
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 30
- 238000004821 distillation Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 230000003139 buffering effect Effects 0.000 claims abstract description 5
- 230000007704 transition Effects 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 5
- 150000003738 xylenes Chemical class 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses a separator of mixed xylene of different structure level of PX belongs to xylene production technical field, including separation work platform, fixed separation tower, the setting that sets up in separation work platform upper end be used for heating the distillation heating device and with the air duct of the inside intercommunication setting of separation tower to the material inside the separation tower, the inside feed mechanism who is used for the buffering feeding that is equipped with of separation tower. The utility model discloses in, through the feed mechanism who sets up, at first with the contact of toper cushion table when can be so that the material gets into the knockout tower, and then the material flows down along with the space between toper cushion table and the knockout tower inner wall to finally assemble along the distillation barrel inner wall, suffer the striking when having avoided the material to feed, accelerated the efficiency of the layering of stewing.
Description
Technical Field
The utility model relates to a xylene production technical field especially relates to the separator of the heterogeneous grade mixed xylene of PX.
Background
Xylene is widely used as a solvent in the industries of paint, resin, dye, ink and the like; the xylene is insoluble in water, so that the common treatment method for separating the xylene from water is to carry out distillation separation according to the characteristic that the xylene is insoluble in water.
However, there are still some shortages in the separation process of xylene at present, most of them are to inject the material into the separation tower through the feeding pipe, and then to separate the paraxylene by standing and layering, but because the impact of the material and the inner wall of the separation tower during feeding can make the material stand for a long time, and the separation efficiency is affected, therefore, a separation device for PX isomeric grade mixed xylene is provided to solve the above problems.
Disclosure of Invention
The utility model aims to provide a: in order to solve the problems, a PX isomeric grade mixed xylene separation device is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the PX heterogeneous-grade mixed xylene separation device comprises a separation workbench, a separation tower fixedly arranged at the upper end of the separation workbench, a heating device arranged in the separation tower and used for heating and distilling materials, and an air guide pipe communicated with the interior of the separation tower, and is characterized in that a feeding mechanism used for buffering feeding is arranged in the separation tower;
the feeding mechanism comprises a feeding pipe and a conical buffer platform, the feeding pipe is connected with an external feeding box, the conical buffer platform is arranged inside the separation tower, the other end of the feeding pipe is connected with a transition box, the bottom end of the transition box is connected with a discharging pipe, the discharging pipe penetrates through the side wall of the top end of the separation tower and extends into the separation tower, the bottom end of the discharging pipe is located right above the central position of the conical buffer platform, and a distillation barrel is arranged below the conical buffer platform.
As a further description of the above technical solution:
the bottom end of the air duct is fixedly connected with the top end of the conical buffer table, and the air duct penetrates through the blanking pipe and the interior of the transition box and is connected with an external liquid collecting box.
As a further description of the above technical solution:
an annular gap is reserved between the conical buffer table and the inner wall of the separation tower.
As a further description of the above technical solution:
the heating device is arranged on the outer side wall of the distillation barrel, and the inner wall of the distillation barrel is of an inverted cone structure.
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 the feed mechanism who sets up, at first with the contact of toper cushion table when can be so that the material gets into the knockout tower, and then the material flows down along with the space between toper cushion table and the knockout tower inner wall to finally assemble along the distillation barrel inner wall, suffer the striking when having avoided the material to feed, accelerated the efficiency of the layering of stewing.
Drawings
Fig. 1 shows a schematic diagram of an overall appearance structure of a separation device for PX isomeric-grade mixed xylene according to the present invention;
fig. 2 shows an overall cross-sectional view of a separation device for PX isomeric grade mixed xylenes, according to the present invention;
fig. 3 shows an enlarged structure schematic diagram of a separation device feeding mechanism for PX isomeric mixed xylene according to the present invention.
Illustration of the drawings: 1. separating the work bench; 2. a separation column; 3. a feeding mechanism; 4. an air duct; 5. a heating device; 31. a feed pipe; 32. a transition box; 33. a discharging pipe; 34. a conical buffer table; 35. and (5) distilling the barrel.
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. 1-3, the present invention provides a technical solution: the separation device for PX heterogeneous mixed xylene comprises a separation workbench 1, a separation tower 2 fixedly arranged at the upper end of the separation workbench 1, a heating device 5 arranged in the separation tower 2 and used for heating and distilling materials, and an air duct 4 communicated with the interior of the separation tower 2, wherein a feeding mechanism 3 used for buffering feeding is arranged in the separation tower 2;
feed mechanism 3 includes inlet pipe 31 and the toper cushion cap 34 of setting in knockout tower 2 inside that is connected with the external feeding case, the inlet pipe 31 other end is connected with transition case 32, transition case 32 bottom is connected with unloading pipe 33, unloading pipe 33 runs through knockout tower 2 top lateral wall and extends to inside, and unloading pipe 33 bottom is located toper cushion cap 34 central point and puts directly over the department, toper cushion cap 34 below is equipped with retort 35, transition case 32 can use with the cooperation of air duct 4, preheat the material in the transition case 32 in advance.
Further, 4 bottom and the 34 top fixed connection of toper cushion blocks of air duct, and air duct 4 runs through unloading pipe 33 and the inside external collection liquid tank that is connected with of transition case 32, can make things convenient for derive to external collection liquid tank in through air duct 4 after the water evaporation in the distillation barrel 35 to the inclined plane structure of 34 inner walls of toper cushion blocks can make and fall back again in distillation barrel 35 after partial xylene steam condensation.
Further, an annular gap is reserved between the conical buffer table 34 and the inner wall of the separation tower 2, the annular gap facilitates the passing of materials, and the materials can be attached to the inner wall of the separation tower 2 when passing through, so that the effect of buffering blanking is achieved.
Further, heating device 5 sets up at distillation barrel 35 lateral wall, and distillation barrel 35 inner wall is the back taper structure, can carry out the drainage to the material, prevents that the material from directly dropping and causing the striking.
The working principle is as follows: when the device is used, the heating device 5 is opened, materials are injected into the separation tower 2 through the external feeding box and the feeding pipe 31, the materials further pass through the transition box 32 and then are introduced into the separation tower 2 through the discharging pipe 33 communicated with the lower end of the transition box 32, the materials entering the separation tower 2 further contact the conical buffer table 34, the conical buffer table 34 has a buffer effect on the materials, the materials flow down along the surface of the conical buffer table 34, then the materials flow down along the annular gap between the conical buffer table 34 and the inner wall of the separation tower 2, the materials passing through the annular gap further flow down along the inner wall of the distillation barrel 35, the inner wall of the distillation barrel 35 is of an inverted cone structure, the materials can be guided, the materials are prevented from directly falling to cause impact, finally, the moisture in the materials is converted into water vapor under the effect of the heating device 5 after the materials are collected in the distillation barrel 35, and the water vapor then enters the gas guide pipe 4, and finally collected by the external collection liquid tank that communicates with the 4 other ends of air duct, the steam through air duct 4 can preheat the inside material of transition case 32 simultaneously, improves production efficiency.
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 (4)
- The device for separating the PX heterogeneous mixed xylene comprises a separation workbench (1), a separation tower (2) fixedly arranged at the upper end of the separation workbench (1), a heating device (5) arranged in the separation tower (2) and used for heating and distilling materials, and an air guide pipe (4) communicated with the inside of the separation tower (2), and is characterized in that a feeding mechanism (3) used for buffering feeding is arranged in the separation tower (2);feed mechanism (3) include inlet pipe (31) be connected with the external feeding case and set up at inside toper cushion cap (34) of knockout tower (2), inlet pipe (31) other end is connected with transition case (32), transition case (32) bottom is connected with unloading pipe (33), unloading pipe (33) run through knockout tower (2) top lateral wall and extend to its inside, just unloading pipe (33) bottom is located toper cushion cap (34) central point and puts directly over department, toper cushion cap (34) below is equipped with distillation barrel (35).
- 2. The separation device for PX heterogeneous grade mixed xylene according to claim 1, wherein the bottom end of said gas-guide tube (4) is fixedly connected with the top end of the conical buffer table (34), and said gas-guide tube (4) passes through the interior of the blanking tube (33) and the transition box (32) and is connected with an external liquid collecting box.
- 3. The separation apparatus of PX isomeric grade mixed xylenes according to claim 1, wherein an annular gap is left between the conical buffer stage (34) and the inner wall of the separation column (2).
- 4. The separation device of PX isomeric grade mixed xylenes according to claim 1, wherein said heating device (5) is arranged on the external side wall of the distillation drum (35), the internal wall of the distillation drum (35) being in an inverted cone configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121591406.3U CN214130332U (en) | 2021-07-14 | 2021-07-14 | PX (PX) heterogeneous-grade mixed xylene separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121591406.3U CN214130332U (en) | 2021-07-14 | 2021-07-14 | PX (PX) heterogeneous-grade mixed xylene separation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214130332U true CN214130332U (en) | 2021-09-07 |
Family
ID=77554443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121591406.3U Active CN214130332U (en) | 2021-07-14 | 2021-07-14 | PX (PX) heterogeneous-grade mixed xylene separation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214130332U (en) |
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2021
- 2021-07-14 CN CN202121591406.3U patent/CN214130332U/en active Active
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| 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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Separation device for PX isomeric grade mixed xylene Granted publication date: 20210907 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 |