CN115261063A

CN115261063A - Adsorption separation device for aromatic hydrocarbon combination device

Info

Publication number: CN115261063A
Application number: CN202210940832.6A
Authority: CN
Inventors: 徐建; 尤万春; 刘勇; 肖雨辰; 李状; 位立新; 豆加加; 吴葵
Original assignee: NANJING CHEMICAL CONSTRUCTION CO Ltd
Current assignee: NANJING CHEMICAL CONSTRUCTION CO Ltd
Priority date: 2022-08-07
Filing date: 2022-08-07
Publication date: 2022-11-01

Abstract

The application discloses adsorption separation device for aromatic hydrocarbon combination unit relates to aromatic hydrocarbon combination unit technical field, the on-line screen storage device comprises a base, the top fixed mounting of base has the prefabricated jar, the first discharging pipe of bottom fixedly connected with of prefabricated jar, one side fixedly connected with support that the top of base is close to the prefabricated jar, the top fixed mounting of support has the hydraulic pump, the output end fixedly connected with second discharging pipe of hydraulic pump, the top of base is close to the first adsorption separation jar of one side fixedly connected with of support, the first inlet pipe of top fixedly connected with of first adsorption separation jar. This application is sent into the adsorbent and is prefabricated in the preparation jar, drives axostylus axostyle and horizontal pole through the motor and rotates, makes scraper blade and puddler carry out the intensive mixing contact to adsorbent and mixture raw materials, reduces to deposit and mixes the uneven condition, and is convenient for prepare the adsorbent and mix, does benefit to the speed and the quality that improve the device adsorptive separation to improve the work efficiency of device.

Description

Adsorption separation device for aromatic hydrocarbon combination device

Technical Field

The application relates to the technical field of aromatic hydrocarbon integrated devices, in particular to an adsorption separation device for an aromatic hydrocarbon integrated device.

Background

The combined device for producing the products of benzene, toluene, xylene and the like by using naphtha as a raw material and through the technical processes of naphtha pre-hydrogenation, catalytic reforming, aromatics extraction, disproportionation, transalkylation, xylene fractionation, xylene isomerization, adsorption separation and the like.

When the liquid or gas mixture has been in sufficient contact with the adsorbent for a prolonged period of time, the system reaches equilibrium and the equilibrium adsorption capacity of the adsorbate depends, above all, on the chemical composition and physical structure of the adsorbent, as well as on the temperature and pressure of the system and on the concentration or partial pressure of this and other components.

In the process of implementing the present application, the inventor finds that at least the following problems exist in the technology, the existing general adsorption separation device is inconvenient for preparing and mixing the adsorbent, and is not beneficial for fully contacting the mixture raw material with the adsorbent, so that the working efficiency of the device is reduced, and the speed and the quality of the adsorption separation of the device are not beneficial to be improved.

Disclosure of Invention

In order to solve the above-mentioned problem that it is inconvenient to perform the prefabrication of the adsorbent, the present application provides an adsorption separation apparatus for an aromatics complex.

The application provides an adsorption separation device for an aromatic hydrocarbon combination device, which adopts the following technical scheme:

an adsorption separation device for an aromatic hydrocarbon combination device comprises a base, wherein a prefabricated tank is fixedly mounted at the top of the base, a first discharge pipe is fixedly connected to the bottom of the prefabricated tank, a support is fixedly connected to one side, close to the prefabricated tank, of the top of the base, a hydraulic pump is fixedly mounted at the top of the support, a second discharge pipe is fixedly connected to the output end of the hydraulic pump, a first adsorption separation tank is fixedly connected to one side, close to the support, of the top of the base, a first feed pipe is fixedly connected to the top of the first adsorption separation tank, and a first conveying pipe is fixedly connected to the bottom of the first adsorption separation tank;

the top of base is close to one side fixedly connected with second adsorption and separation jar of first adsorption and separation jar, the top fixedly connected with second inlet pipe of second adsorption and separation jar, the bottom fixedly connected with second conveyer pipe of second adsorption and separation jar, the top fixedly connected with motor of prefabricated jar, the output shaft of motor passes through shaft coupling fixedly connected with axostylus axostyle, the outer wall fixedly connected with horizontal pole of axostylus axostyle, the feed inlet has been seted up at the top of prefabricated jar, the fixed adsorption zone that is provided with of the interior roof of first adsorption and separation jar, the inner wall movable mounting of adsorption zone has the molecular sieve, the inner wall of first adsorption and separation jar is located the fixed buffer zone that is provided with in bottom of adsorption zone, the fixed first desorption zone that is provided with of the interior diapire of first adsorption and separation jar.

Based on above-mentioned technical scheme, send into the adsorbent material and stir in the preparation jar and mix, send into the preparation jar with the mixture raw materials again, be convenient for carry out intensive mixing contact with the mixture raw materials and adsorbent, the rethread hydraulic pump is sent into and is adsorbed separation and handle in the first adsorption and separation jar, is convenient for prepare the adsorbent and mixes, does benefit to the speed and the quality that improve device adsorptive separation to improve the work efficiency of device.

Optionally, one end of the first discharging pipe is connected with a feeding pipe through a flange, and one end of the feeding pipe is connected with an input end flange of the hydraulic pump through a flange.

Based on above-mentioned technical scheme, be convenient for carry the mixed raw materials in the jar of will prefabricating through the hydraulic pump, be convenient for control regulation output flow.

Optionally, the first conveying pipe is of an S-shaped structure, the first conveying pipe is connected with a second feeding pipe flange, the second conveying pipe is connected with a second discharging pipe flange, the second discharging pipe is of a tee-joint structure, and the second discharging pipe is connected with the first feeding pipe flange.

Based on above-mentioned technical scheme, be convenient for connect first adsorption and separation jar and second adsorption and separation jar, conveniently carry out the adsorption and separation and handle.

Optionally, a support frame is fixedly connected to one side of the top of the base, which is close to the first adsorption separation tank, a heater and a refrigerator are fixedly mounted at the top of the support frame respectively, the heater is tightly attached to the outer wall of the second adsorption separation tank, and the refrigerator is tightly attached to the outer wall of the first adsorption separation tank.

Based on above-mentioned technical scheme, be convenient for through the refrigerator cool down the processing to first adsorption and separation jar input, be convenient for through the heater to heat the distillation processing to the output of second adsorption and separation jar.

Optionally, a scraper is fixedly mounted at one end of the shaft rod, the scraper is of an arc-shaped structure, and the shape and size of the scraper are matched with those of the prefabricated tank.

Based on above-mentioned technical scheme, be convenient for carry out mixing treatment to the raw materials in the prefabricated jar, be convenient for reduce the condition of sediment, do benefit to the intensive mixing.

Optionally, the outer wall of the cross rod is fixedly connected with a stirring rod, the cross rod and the stirring rod are combined to form an F-shaped structure, and the cross rod is symmetrically arranged around the vertical center line of the shaft rod.

Based on above-mentioned technical scheme, be convenient for carry out intensive mixing to the adsorbent raw materials, increase the friction of mixture raw materials and adsorbent, do benefit to abundant contact and be convenient for prepare the mixture, improve work efficiency.

Optionally, the molecular sieve includes an adsorption ball, and the outer wall of the adsorption ball is provided with adsorption holes, and the adsorption holes are of a honeycomb structure.

Based on above-mentioned technical scheme, be convenient for increase the absorption area of contact who adsorbs the ball, reinforcing adsorption effect.

Optionally, the fixed second analysis area that is provided with of interior roof of second adsorption and separation jar, the fixed rectification district that is provided with of interior bottom wall of second adsorption and separation jar.

Based on the technical scheme, the adsorption separation is carried out through the first adsorption separation tank and the second desorption area, so that substances are separated, and then the concentration and purification treatment is carried out through the rectification area.

In summary, the present application includes at least one of the following benefits:

1. this application is sent into the adsorbent and is prefabricated in the preparation jar, drives axostylus axostyle and horizontal pole through the motor and rotates, makes scraper blade and puddler carry out the intensive mixing contact to adsorbent and mixture raw materials, reduces to deposit and mixes the uneven condition, and is convenient for prepare the adsorbent and mix, does benefit to the speed and the quality that improve the device adsorptive separation to improve the work efficiency of device.

2. This application is through the use of mutually supporting of the prefabricated jar that sets up, discharging pipe, conveying pipe, hydraulic pump, second discharging pipe, first adsorption separation jar and first inlet pipe, is convenient for send the mixture raw materials after the prefabrication into first adsorption separation jar in adsorb the processing, the control of being convenient for adjusts output flow, facilitates the use.

3. This application is used through mutually supporting of the adsorption zone, molecular sieve, the adsorption ball that set up and adsorption hole, and the increase of being convenient for adsorbs the adsorption contact area of ball, and reinforcing adsorption effect is convenient for heat the distillation purification condensation simultaneously through heater and refrigerator and is handled, has improved the practicality of device.

Drawings

FIG. 1 is a schematic front view of the present application as a whole;

FIG. 2 is a schematic front cross-sectional view of a prefabricated can of the present application;

FIG. 3 is a schematic front sectional view of a first adsorption separation canister of the present application;

fig. 4 is a schematic structural view of the adsorption ball of the present application.

Description of reference numerals:

1. a base; 2. preparing a tank in advance; 3. a first discharge pipe; 4. a feed pipe; 5. a hydraulic pump; 6. a support; 7. a second discharge pipe; 8. a first adsorption separation tank; 9. a first feed tube; 10. a first delivery pipe; 11. a second adsorption separation tank; 12. a second feed tube; 13. a second delivery pipe; 14. a support frame; 15. a heater; 16. a refrigerator; 17. a motor; 18. a shaft lever; 19. a squeegee; 20. a cross bar; 21. a stirring rod; 22. a feed inlet; 23. an adsorption zone; 24. a molecular sieve; 25. adsorbing the ball; 26. an adsorption hole; 27. a buffer area; 28. a first desorption zone; 29. a second desorption zone; 30. a rectification zone.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Please refer to the attached drawing of the specification fig. 1, the application provides an adsorption separation device for an aromatic hydrocarbon combination unit, which comprises a base 1, a prefabricated tank 2 is fixedly installed at the top of the base 1, a first discharging pipe 3 is fixedly connected to the bottom of the prefabricated tank 2, a bracket 6 is fixedly connected to one side of the top of the base 1 close to the prefabricated tank 2, a hydraulic pump 5 is fixedly installed at the top of the bracket 6, a feeding pipe 4 is connected to one end of the first discharging pipe 3 through a flange, one end of the feeding pipe 4 is connected to an input end of the hydraulic pump 5 through a flange, mixed raw materials in the prefabricated tank 2 can be conveniently conveyed through the hydraulic pump 5, and the output flow can be conveniently controlled and adjusted. The output end of the hydraulic pump 5 is fixedly connected with a second discharge pipe 7, and one side of the top of the base 1, which is close to the support 6, is fixedly connected with a first adsorption separation tank 8.

Send into the adsorbent material and stir the mixture in the preparation jar 2, send into the mixture raw materials in the preparation jar 2 again, be convenient for carry out intensive mixing contact with the mixture raw materials and adsorbent, the rethread hydraulic pump 5 is sent into and is carried out adsorptive separation and handle in the first adsorptive separation jar 8, is convenient for prepare the adsorbent and mixes, does benefit to the speed and the quality that improve device adsorptive separation to improve the work efficiency of device.

Referring to the attached drawing of the specification and fig. 1, a first feeding pipe 9 is fixedly connected to the top of a first adsorption separation tank 8, a first conveying pipe 10 is fixedly connected to the bottom of the first adsorption separation tank 8, a second adsorption separation tank 11 is fixedly connected to one side, close to the first adsorption separation tank 8, of the top of a base 1, a second feeding pipe 12 is fixedly connected to the top of the second adsorption separation tank 11, the first conveying pipe 10 is of an S-shaped structure, the first conveying pipe 10 is in flange connection with the second feeding pipe 12, the second conveying pipe 13 is in flange connection with a second discharging pipe 7, the second discharging pipe 7 is of a tee-joint structure, the second discharging pipe 7 is in flange connection with the first feeding pipe 9, the first adsorption separation tank 8 and the second adsorption separation tank 11 are convenient to connect, and adsorption separation treatment is convenient to perform.

Referring to the attached drawing of the specification and fig. 1, a second delivery pipe 13 is fixedly connected to the bottom of a second adsorption separation tank 11, a support frame 14 is fixedly connected to one side of the top of a base 1, which is close to a first adsorption separation tank 8, a heater 15 and a refrigerator 16 are fixedly mounted at the top of the support frame 14 respectively, the heater 15 is tightly attached to the outer wall of the second adsorption separation tank 11, the refrigerator 16 is tightly attached to the outer wall of the first adsorption separation tank 8, the input end of the first adsorption separation tank 8 is conveniently cooled through the refrigerator 16, and the output end of the second adsorption separation tank 11 is conveniently heated and distilled through the heater 15.

Referring to the attached drawings of the specification, fig. 1 and 2 show that a feed inlet 22 is formed in the top of the prefabricated tank 2, a motor 17 is fixedly connected to the top of the prefabricated tank 2, an output shaft of the motor 17 is fixedly connected with a shaft lever 18 through a coupler, a scraper 19 is fixedly mounted at one end of the shaft lever 18, the scraper 19 is of an arc-shaped structure, and the shape and the size of the scraper 19 are matched with those of the prefabricated tank 2, so that the raw materials in the prefabricated tank 2 can be mixed conveniently, the precipitation can be reduced conveniently, and the full mixing is facilitated. Outer wall fixedly connected with horizontal pole 20 of axostylus axostyle 18, the outer wall fixedly connected with puddler 21 of horizontal pole 20, the shape that horizontal pole 20 and puddler 21 make up is F type structure, and horizontal pole 20 sets up about the perpendicular central line symmetry of axostylus axostyle 18, is convenient for carry out intensive mixing to the adsorbent raw materials, increases the friction of mixture raw materials and adsorbent, does benefit to abundant contact and is convenient for prepare the mixture, improves work efficiency.

Referring to fig. 3 and 4 of the accompanying drawings of the specification, an adsorption zone 23 is fixedly arranged on an inner top wall of the first adsorption separation tank 8, a molecular sieve 24 is movably mounted on an inner wall of the adsorption zone 23, the molecular sieve 24 comprises adsorption balls 25, adsorption holes 26 are formed in an outer wall of the adsorption balls 25, and the adsorption holes 26 are of a honeycomb structure, so that the adsorption contact area of the adsorption balls 25 is increased, and the adsorption effect is enhanced. The bottom that the inner wall of first adsorption and separation jar 8 is located adsorption zone 23 is fixed and is provided with buffer 27, the interior diapire of first adsorption and separation jar 8 is fixed and is provided with first desorption district 28, the interior roof of second adsorption and separation jar 11 is fixed and is provided with second analytic district 29, the interior diapire of second adsorption and separation jar 11 is fixed and is provided with rectification zone 30, carry out adsorption separation through first adsorption and separation jar 8 and second analytic district 29, make the material separation, the rethread rectification zone 30 carries out the concentration purification and handles.

The working principle is as follows:

firstly, the adsorbent raw materials and the like are injected into the preparation tank 2 through the feed inlet 22, the shaft lever 18 and the cross rod 20 are driven to rotate through the motor 17, the scraper 19 and the stirring rod 21 are enabled to fully mix the adsorbent raw materials for standby, the precipitation condition is reduced, the mixture raw materials are injected into the preparation tank 2 through the feed inlet 22, the adsorbent raw materials and the mixture raw materials are fully mixed and contacted through the rotation of the scraper 19 and the stirring rod 21, the preparation and mixing of the adsorbent are facilitated, the working efficiency is improved, and the adsorbent raw materials and the mixture raw materials are sent into the first adsorption separation tank 8 through the hydraulic pump 5 to be subjected to standing adsorption treatment.

The mixed raw material enters an adsorption zone 23, substances in the mixed raw material are adsorbed and separated through a molecular sieve 24, the mixed raw material enters a second desorption zone 29 through a buffer zone 27 and a first desorption zone 28, and finally rectification treatment is carried out through a rectification zone 30, so that the adsorbent continuously moves downwards, and the material continuously moves upwards, and the adsorption and separation effects are achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an arene is adsorption separation device for integrated device, includes base (1), its characterized in that: the device comprises a base (1), a prefabricated tank (2) is fixedly mounted at the top of the base (1), a first discharging pipe (3) is fixedly connected at the bottom of the prefabricated tank (2), a support (6) is fixedly connected at one side, close to the prefabricated tank (2), of the top of the base (1), a hydraulic pump (5) is fixedly mounted at the top of the support (6), a second discharging pipe (7) is fixedly connected at the output end of the hydraulic pump (5), a first adsorption separation tank (8) is fixedly connected at one side, close to the support (6), of the top of the base (1), a first feeding pipe (9) is fixedly connected at the top of the first adsorption separation tank (8), and a first conveying pipe (10) is fixedly connected at the bottom of the first adsorption separation tank (8);

the adsorption and desorption device is characterized in that the top of the base (1) is close to one side of the first adsorption and separation tank (8) and is fixedly connected with a second adsorption and separation tank (11), the top of the second adsorption and separation tank (11) is fixedly connected with a second feeding pipe (12), the bottom of the second adsorption and separation tank (11) is fixedly connected with a second conveying pipe (13), the top of the prefabricated tank (2) is fixedly connected with a motor (17), an output shaft of the motor (17) is fixedly connected with a shaft rod (18) through a coupler, the outer wall of the shaft rod (18) is fixedly connected with a cross rod (20), a feeding port (22) is formed in the top of the prefabricated tank (2), an adsorption area (23) is fixedly formed in the inner top wall of the first adsorption and separation tank (8), a molecular sieve (24) is movably mounted on the inner wall of the adsorption area (23), the inner wall of the first adsorption and separation tank (8) is located at the bottom of the adsorption area (23) and is fixedly provided with a buffer area (27), and a first desorption area (28) is fixedly formed in the inner bottom wall of the first adsorption and separation tank (8).

2. The adsorption separation device for an aromatic hydrocarbon integrated unit according to claim 1, characterized in that: one end flange of the first discharging pipe (3) is connected with a feeding pipe (4), and one end of the feeding pipe (4) is connected with an input end flange of the hydraulic pump (5).

3. The adsorption separation device for an aromatic hydrocarbon integrated unit according to claim 1, characterized in that: first conveyer pipe (10) are S type structure, first conveyer pipe (10) and second inlet pipe (12) flange joint, second conveyer pipe (13) and second discharging pipe (7) flange joint, second discharging pipe (7) are tee bend structure, second discharging pipe (7) and first inlet pipe (9) flange joint.

4. The adsorption separation device for an aromatic hydrocarbon integrated unit according to claim 1, characterized in that: the top of the base (1) is close to one side of the first adsorption and separation tank (8) and is fixedly connected with a support frame (14), the top of the support frame (14) is respectively and fixedly provided with a heater (15) and a refrigerator (16), the heater (15) is tightly attached to the outer wall of the second adsorption and separation tank (11), and the refrigerator (16) is tightly attached to the outer wall of the first adsorption and separation tank (8).

5. The adsorption separation device for an aromatic hydrocarbon integrated unit according to claim 1, characterized in that: a scraper (19) is fixedly mounted at one end of the shaft lever (18), the scraper (19) is of an arc-shaped structure, and the shape and the size of the scraper (19) are matched with those of the prefabricated tank (2).

6. The adsorption separation device for an aromatic hydrocarbon integrated unit according to claim 1, characterized in that: the outer wall of the cross rod (20) is fixedly connected with a stirring rod (21), the cross rod (20) and the stirring rod (21) are combined to form an F-shaped structure, and the cross rod (20) is symmetrically arranged relative to the vertical center line of the shaft rod (18).

7. The adsorption separation device for an aromatic hydrocarbon integrated unit according to claim 1, characterized in that: the molecular sieve (24) comprises an adsorption ball (25), adsorption holes (26) are formed in the outer wall of the adsorption ball (25), and the adsorption holes (26) are of a honeycomb structure.

8. The adsorption separation device for an aromatic hydrocarbon integrated unit according to claim 1, characterized in that: the inner top wall of the second adsorption separation tank (11) is fixedly provided with a second analysis area (29), and the inner bottom wall of the second adsorption separation tank (11) is fixedly provided with a rectification area (30).