CN111804009A

CN111804009A - P-xylene adsorption type separation device

Info

Publication number: CN111804009A
Application number: CN202010846041.8A
Authority: CN
Inventors: 王旭华; 王建青; 马海峰; 李西春; 齐世森; 石允起
Original assignee: Dongying Weilian Chemical Co ltd
Current assignee: Dongying Weilian Chemical Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2020-10-23

Abstract

The invention provides a paraxylene adsorption separation device, and mainly relates to the technical field of paraxylene adsorption separation. The utility model provides a paraxylene adsorption type separator, includes a jar body, the internal portion both sides of jar are equipped with several respectively and place the board, place board interval distribution, every place the board and all be connected with jar rotation through the connecting rod, the bar recess is all seted up to jar internal both sides inner wall, one of them bar recess top fixed mounting motor, the first sprocket of motor shaft bottom installation, the other one bar recess top is rotated and is installed the second sprocket. The invention has the beneficial effects that: according to the invention, the motor provides power to drive the nut to move up and down along the screw rod, so that the inclination angle of the placing plate is adjusted, the flowing speed of the material on the placing plate can be adjusted, and the material is ensured to be fully contacted with the adsorbent by controlling the flowing speed of the material, so that the adsorbent can better adsorb paraxylene in the material, and the adsorption effect is improved.

Description

P-xylene adsorption type separation device

Technical Field

The invention mainly relates to the technical field of paraxylene adsorption separation, in particular to a paraxylene adsorption type separation device.

Background

The p-xylene is a colorless transparent liquid, has aromatic smell, has the specific gravity of 0.861, the melting point of 13.2 ℃, the boiling point of 138.5 ℃ and the flash point of 25 ℃, can be mixed and dissolved with organic solvents such as ethanol, ether, acetone and the like, is combustible, has slightly higher toxicity than ethanol, can form an explosive mixture by vapor and air, is used for producing terephthalic acid, and further produces polyester resins such as ethylene glycol terephthalate, butanediol ester and the like, and the polyester resins are raw materials for producing polyester fibers, polyester sheets and polyester hollow containers.

When paraxylene is produced, paraxylene is often adsorbed by an adsorption separation method, at present, a placing plate for placing an adsorbent is mostly directly fixed in an adsorption tower and cannot be adjusted when the paraxylene is adsorbed and separated, the adsorption effect on the paraxylene is poor, and inconvenience is brought to the production of the paraxylene.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides the paraxylene adsorption type separation device, the power is provided by the motor, the nut is driven to move up and down along the screw rod, the inclination angle of the placing plate is further adjusted, the flowing speed of the material on the placing plate can be adjusted, the material is ensured to be in full contact with the adsorbent by controlling the flowing speed of the material, the adsorbent is enabled to better adsorb paraxylene in the material, and the adsorption effect is improved.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a paraxylene adsorption type separation device comprises a tank body, wherein a plurality of placing plates are respectively arranged on two sides in the tank body, the placing plates are distributed at intervals, each placing plate is rotatably connected with the tank body through a connecting rod, strip-shaped grooves are respectively formed in the inner walls of two sides of the tank body, a motor is fixedly installed at the top of one strip-shaped groove, a first chain wheel is installed at the bottom end of a rotating shaft of the motor, a second chain wheel is installed at the top of the other strip-shaped groove in a rotating mode, the first chain wheel and the second chain wheel are positioned on the same horizontal plane, the first chain wheel and the second chain wheel are connected through chain meshing, lead screws are installed on the bottom surfaces of the first chain wheel and the second chain wheel, the bottom end of each lead screw is rotatably connected with the bottom of the corresponding strip-shaped groove through a bearing, a plurality of nuts which are distributed up and down are arranged on, every place the board top surface and all place the adsorbent, jar body one side lower part installation control box, motor and control box line connection.

Further, both sides all set up the spout that the cross-section is the dovetail around placing the board bottom surface, every all be equipped with the slider that the cross-section is the dovetail in the spout, the slider homoenergetic is followed corresponding spout horizontal slip, every the equal fixed mounting of slider bottom surface bracing piece that inclines, every bracing piece one end all with jar body fixed connection.

Further, the adsorbent is placed on a flower plate, and the flower plate and the placing plate are detachably mounted.

Further, the adsorbent is Y-type molecular sieve, specifically Y-type zeolite.

Further, jar body top is equipped with the inlet pipe, the inlet pipe bottom is located between the chain and is located the top and place the board top, the discharge gate is seted up to jar body below.

Further, the inclination angle of the placing plate is 0-30 degrees.

Furthermore, the control box comprises a display screen, keys and a control panel.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the motor provides power to drive the nut to move up and down along the screw rod, so that the inclination angle of the placing plate is adjusted, the flowing speed of the material on the placing plate can be adjusted, and the material is ensured to be fully contacted with the adsorbent by controlling the flowing speed of the material, so that the adsorbent can better adsorb paraxylene in the material, and the adsorption effect is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a view in the direction A of FIG. 1;

FIG. 3 is a view from the direction B of FIG. 1;

FIG. 4 is a view in the direction C of FIG. 1;

reference numerals shown in the drawings: 1. a tank body; 2. placing the plate; 3. a connecting rod; 4. a strip-shaped groove; 5. a motor; 6. a first sprocket; 7. a second sprocket; 8. a chain; 9. a screw rod; 10. a nut; 11. a chute; 12. a slider; 13. a support bar; 14. a feed pipe; 15. and a control box.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.

As shown in figures 1-4, the paraxylene adsorption type separation device comprises a tank body 1, a plurality of placing plates 2 are respectively arranged on two sides inside the tank body 1, the placing plates 2 are distributed at intervals, each placing plate 2 is rotatably connected with the tank body 1 through a connecting rod 3, strip-shaped grooves 4 are respectively formed in the inner walls of two sides of the tank body 1, a motor 5 is fixedly installed on the top of one strip-shaped groove 4, a first chain wheel 6 is installed at the bottom end of a rotating shaft of the motor 5, a second chain wheel 7 is rotatably installed at the top of the other strip-shaped groove 4, the first chain wheel 6 and the second chain wheel 7 are located on the same horizontal plane, the first chain wheel 6 is meshed with the second chain wheel 7 through a chain 8, a screw rod 9 is installed on the bottom surfaces of the first chain wheel 6 and the second chain wheel 7, and the bottom end of each screw rod 9 is rotatably connected with the bottom of the corresponding strip-shaped groove, every 9 peripheries of lead screw all are equipped with the nut 10 that the several distributes from top to bottom, every nut 10 all with the board 2 articulated of placing that corresponds, every place the board 2 top surface and all place the adsorbent, 1 one side lower part installation control box 15 of the jar body,

motor

5 and 15 line connection of control box.

Specifically, place 2 bottom surfaces of board both sides around and all set up the spout 11 that the cross-section is the dovetail, every all be equipped with the slider 12 that the cross-section is the dovetail in the spout 11, slider 12 all can be followed corresponding spout 11 horizontal slip, every the bracing piece 13 of the equal fixed mounting slope in slider 12 bottom surface, every bracing piece 13 one end all with jar body 1 fixed connection. Bracing piece 13 has a supporting role to placing board 2, when the inclination of placing board 2 is being adjusted, slider 12 can be according to the motion of placing board 2 and do corresponding slip along spout 11, and then remains bracing piece 13 throughout and plays the supporting role to placing board 2.

Specifically, the adsorbent is placed on a flower plate, and the flower plate and the placing plate 2 are detachably mounted. The flower plate can be detached, which is convenient for desorbing the paraxylene adsorbed on the adsorbent.

Specifically, the adsorbent is Y-type molecular sieve, specifically Y-type zeolite. The Y-type zeolite has the advantages of high adsorption selectivity difference, large adsorption capacity and high adsorption-desorption mass transfer rate, and can improve the adsorption effect of paraxylene.

Specifically, the 1 top of the jar body is equipped with inlet pipe 14, the 14 bottom of inlet pipe is located between the chain 8 and is located the top and places board 2 top, the discharge gate is seted up to the 1 below of the jar body. Can cross to adding the raw materials in jar body 1 through inlet pipe 14, can discharge the absorption clout from jar body 1 in through the discharge gate.

Specifically, the inclination angle of the placing plate 2 is 0-30 degrees. The inclination angle of the placing plate 2 is 0-30 degrees, so that the retention time of the material on the placing plate 2 can be well met, the adsorbent can be fully contacted with the material, and the paraxylene can be adsorbed.

Specifically, the control box 15 includes a display screen, keys and a control panel. The display screen can show data, and the operating personnel of being convenient for observes, and the button can be to control panel internal input data.

Example (b):

when the device is used, firstly, a material is added into the tank body 1 through the feeding pipe 14, then the motor 5 is controlled to rotate through the control box 15, the motor 5 drives the screw rod 9 to rotate through the matching transmission of the first chain wheel 6 and the second chain wheel 7 with the chain 8, the screw rod 9 rotates to enable the nut 10 to move downwards along the corresponding screw rod 9, the nut 10 moves to drive one end of the placing plate 2 to move downwards, the other end of the placing plate 2 moves upwards around the connecting rod 3, further, the inclination angle of the placing plate 2 is adjusted according to the using condition, the flowing speed of the material on the placing plate 2 is controlled, the material can be in better contact with the adsorbent on the placing plate 2, and the adsorbent can better adsorb paraxylene; according to the invention, the motor provides power to drive the nut to move up and down along the screw rod, so that the inclination angle of the placing plate is adjusted, the flowing speed of the material on the placing plate can be adjusted, and the material is ensured to be fully contacted with the adsorbent by controlling the flowing speed of the material, so that the adsorbent can better adsorb paraxylene in the material, and the adsorption effect is improved.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a p-xylene adsorption separation device, includes jar body (1), its characterized in that: the tank is characterized in that a plurality of placing plates (2) are respectively arranged on two sides in the tank body (1), the placing plates (2) are distributed at intervals, each placing plate (2) is rotatably connected with the tank body (1) through a connecting rod (3), strip-shaped grooves (4) are respectively formed in the inner walls of two sides of the tank body (1), a motor (5) is fixedly installed at the top of one strip-shaped groove (4), a first chain wheel (6) is installed at the bottom end of a rotating shaft of the motor (5), a second chain wheel (7) is rotatably installed at the top of the other strip-shaped groove (4), the first chain wheel (6) and the second chain wheel (7) are located on the same horizontal plane, the first chain wheel (6) is meshed with the second chain wheel (7) through a chain (8), lead screws (9) are installed on the bottom surfaces of the first chain wheel (6) and the second chain wheel (7), and the bottom ends of the lead screws (9) are rotatably connected with the bottoms of the, every lead screw (9) periphery all is equipped with nut (10) that the several distributes from top to bottom, every nut (10) all with corresponding place board (2) articulated, every place board (2) top surface and all place the adsorbent, jar body (1) one side lower part installation control box (15), motor (5) and control box (15) line connection.

2. The para-xylene adsorptive separation device according to claim 1, wherein: place board (2) bottom surface front and back both sides all set up spout (11) that the cross-section is the dovetail, every all be equipped with slider (12) that the cross-section is the dovetail in spout (11), slider (12) homoenergetic is followed corresponding spout (11) horizontal slip, every bracing piece (13) of the equal fixed mounting slope in slider (12) bottom surface, every bracing piece (13) one end all with jar body (1) fixed connection.

3. The para-xylene adsorptive separation device according to claim 1, wherein: the adsorbent is placed on the flower plate, and the flower plate and the placing plate (2) are detachably mounted.

4. The para-xylene adsorptive separation device according to claim 1, wherein: the adsorbent is Y-type molecular sieve, specifically Y-type zeolite.

5. The para-xylene adsorptive separation device according to claim 1, wherein: the jar body (1) top is equipped with inlet pipe (14), inlet pipe (14) bottom is located between chain (8) and is located the top and places board (2) top, the discharge gate is seted up to the jar body (1) below.

6. The para-xylene adsorptive separation device according to claim 1, wherein: the inclination angle of the placing plate (2) is 0-30 degrees.

7. The para-xylene adsorptive separation device according to claim 1, wherein: the control box (15) comprises a display screen, keys and a control panel.