CN214913480U

CN214913480U - Distillation column for efficiently producing p-benzoquinone

Info

Publication number: CN214913480U
Application number: CN202022816025.2U
Authority: CN
Inventors: 姜红军; 王姗姗; 杨启邦
Original assignee: Weifang Taixing Biological Chemical Co ltd
Current assignee: Weifang Taixing Biological Chemical Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-11-30
Anticipated expiration: 2030-11-30

Abstract

A distillation tower for efficiently producing p-benzoquinone relates to the technical field of distillation towers, and comprises a tower body, wherein a stirring device and a collecting device are arranged inside the tower body, a liquid inlet is arranged on the left side of the tower body and is positioned between the collecting device and the stirring device, an exhaust pipe is arranged at the top of the tower body, an exhaust pipe is arranged at the bottom of the tower body, an exhaust valve is arranged on the exhaust pipe, the collecting device comprises a mounting plate, a plurality of condensing plates are connected to the bottom surface of the mounting plate through bolts, a collector is arranged below the plurality of condensing plates and is connected with the inner wall of the tower body through a supporting component, a liquid discharge pipe is arranged at the bottom of the collector, and a liquid discharge valve is arranged on the liquid discharge pipe, so that the utility model can solve the problems that mixed liquid is heated and evaporated through a heating device, enters the condensing plates for liquefaction and collection, and the occupied space is increased by the condensing plates for subsequent treatment, the investment cost is increased, and the configuration of one condensation plate cannot achieve the ideal condensation effect, so that the production efficiency is low.

Description

Distillation column for efficiently producing p-benzoquinone

Technical Field

The utility model relates to a distillation column technical field, concretely relates to high-efficient production is distillation column for p-benzoquinone.

Background

Distillation is a method for separating homogeneous liquid mixtures, which separates components according to their volatility (or boiling point) difference, and a distillation column for chemical production is a device for distillation purification of liquid raw materials, which is widely used in the field of distillation columns.

The utility model discloses a chinese utility model patent of bulletin number is CN206660635U, the name is "a distillation plant", including heating device, evaporating chamber, condensing plate and even hot chamber, its characterized in that, it is right that the heating device is used for the medium heating in the even hot intracavity, be provided with feed inlet, discharge gate, row's cinder notch on the evaporating chamber, the discharge gate passes through the pipeline and links to each other with the condensing plate, the evaporating chamber outside is provided with the casing, the casing with the evaporating chamber outside forms even hot chamber, just be provided with medium inlet and medium export on the even hot chamber. The utility model discloses a beneficial technological effect does: the mixed material enters the evaporation chamber from the feeding hole, the heat transfer medium enters the uniform heating cavity from the medium inlet to fill the whole uniform heating cavity, the heating device heats the heat transfer medium in the uniform heating cavity, and meanwhile, due to the heat transfer effect, the heat of the heat transfer medium is transferred to the mixed material in the evaporation chamber. The low boiling point substance is separated from the mixed material in a gas form after reaching the boiling point of the low boiling point substance, enters a pipeline after passing through a discharge port, and finally enters a condensing chamber connected with the pipeline for condensation. Because the uniform heat cavity is coated outside the evaporation chamber, the area of heat transfer of the heat transfer medium is increased, so that the heat transfer medium can uniformly transfer heat to the mixed material in the evaporation chamber, and the production efficiency of industrially producing the low-boiling-point substance is improved. But also has certain drawbacks: in use, the liquid is heated and evaporated by the heating device and needs to enter the condensation plate for liquefaction and collection, the condensation plate for subsequent treatment increases the occupied space, increases the investment cost and has certain use limitation; and the configuration of one condensation plate can not achieve the ideal condensation effect, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient production is to distillation column for benzoquinone can solve and heat the evaporation through heating device with liquid, needs follow-up entering condensation plate to liquefy and collects, and the condensation plate that follow-up processing was equipped with has increased occupation space, has increased the input cost, has certain use limitation, and disposes a condensation plate and can not reach the condensation effect of ideal, the technical problem that production efficiency is low.

In order to achieve the above object, the present invention provides the following technical solutions:

a distillation tower for efficiently producing p-benzoquinone comprises a tower body, wherein a stirring device and a collecting device are arranged in the tower body, the collecting device is positioned above the stirring device, the left side of the tower body is provided with a liquid inlet which is positioned between the collecting device and the stirring device, the top of the tower body is provided with an exhaust pipe, the bottom of the tower body is provided with an emptying pipe, the emptying pipe is provided with an emptying valve, the collecting device comprises a mounting plate, two sides of the mounting plate are fixedly connected with the inner wall of the tower body, the bottom surface of the mounting plate is connected with a plurality of condensing plates by bolts, the plurality of condensing plates are parallel to each other and vertical to the bottom surface of the mounting plate, a collector is arranged below the plurality of condensing plates, the collector is connected with the inner wall of the tower body through a supporting component, a liquid discharge pipe is arranged at the bottom of the collector, the output end of the liquid discharge pipe penetrates through the right side wall of the tower body, and a liquid discharge valve is arranged on the liquid discharge pipe.

The emptying pipe is arranged, so that the remaining mixed liquor after distillation can be emptied; be provided with the collector through setting up a plurality of condensing panels and a plurality of condensing panel below, do benefit to and liquefy the collection with the benzoquinone material, the setting up of a plurality of condensing panels does benefit to and condenses the gaseous phase fast, save time raises the efficiency.

Preferably, agitating unit includes motor and stirring subassembly, the motor passes through the shaft coupling and is connected with the stirring subassembly, the motor drives the stirring subassembly and stirs mixed liquid.

Preferably, the stirring subassembly includes rotation axis and evenly distributed at the epaxial multiunit blade of rotation, every group blade is two, two blades use the central line of rotation axis to set up as symmetry point symmetry, the embedded heater strip that is equipped with of multiunit blade, the heater strip couples with the outside switch of tower body.

Preferably, the both ends of rotation axis are equipped with the bearing respectively in the cover, the bearing outside is equipped with the bearing frame, bearing frame and tower body lateral wall fixed connection do benefit to and prevent that the rotation axis from causing the damage to the tower body at the powerful frictional force that the during operation produced through setting up bearing and bearing frame.

Preferably, still be equipped with sealed the pad between rotation axis and the tower body inboard, sealed the pad cover establish the rotation axis both ends and with tower wall sealing connection, through setting up sealed the pad, do benefit to and prevent mixed liquid seepage.

Preferably, the collector is a funnel-shaped structure, and the opening of the collector can wrap the plurality of vertical condensation plates therein, so that the liquid phase condensed by the plurality of condensation plates can be collected.

Preferably, the supporting component comprises a circular ring, the diameter of the circular ring is matched with the outer diameter of the opening of the collector, the collector sleeve is arranged in the circular ring, at least two support rods are uniformly arranged on the circumference of the circular ring, one ends of the two support rods are welded on the circular ring, the other ends of the two support rods are welded on the inner wall of the tower body, reinforcing rods are arranged below the two support rods, one ends of the reinforcing rods are connected with the support rods, and the other ends of the reinforcing rods are connected with the inner wall of the tower body to form a triangular structure.

Through establishing the collector cover in the supporting component, leave the space between supporting component and the tower wall, the low p-benzoquinone of boiling point after the heating gasifies to separate out from mixed liquid, moves upward along the gap between supporting component and the tower wall, and then reaches a plurality of condensing panels, becomes the liquid phase after the condensing panel condensation, finally drips in the collector, and the p-benzoquinone solution in the collector passes through the fluid-discharge tube and discharges.

Preferably, the input end of the liquid discharge pipe is provided with a filter screen.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model provides a distillation column for high-efficient production p-benzoquinone, through setting up agitating unit, agitating unit includes motor and stirring subassembly, the motor passes through the shaft coupling and is connected with the stirring subassembly, the motor drives the stirring subassembly and stirs mixed liquid, the stirring subassembly includes rotation axis and evenly distributed at the rotatory epaxial multiunit blade, the embedded heater strip that is equipped with of multiunit blade, heater strip and the outside switch hookup of tower body, agitating unit and heater strip can make mixed liquid be heated evenly, impels mixed liquid rapid heating up, and gasification after the low p-benzoquinone heating of boiling point becomes the liquid phase after the condensation of condensation plate, finally is concentrated and is collected.

2. Through setting up a plurality of condensation plates, do benefit to and strengthen the condensation effect, improve work efficiency, and a plurality of condensation plate settings are inside the tower body, save space, practice thrift the cost.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

FIG. 1 is a perspective view of a distillation column for efficiently producing p-benzoquinone according to the present invention.

FIG. 2 is a view showing the internal structure of a distillation column for efficiently producing p-benzoquinone according to the present invention.

FIG. 3 is a structural diagram of a supporting component of a distillation tower for efficiently producing p-benzoquinone.

Description of reference numerals:

1-tower body, 2-liquid inlet, 3-exhaust pipe, 4-blow-down pipe, 5-blow-down valve, 6-mounting plate, 7-condensation plate, 8-collector, 9-liquid discharge pipe, 10-liquid discharge valve, 11-motor, 12-rotating shaft, 13-blade, 14-heating wire, 15-bearing, 16-bearing seat, 17-sealing pad, 18-ring, 19-brace rod, 20-reinforcing rod and 21-filter screen.

Detailed Description

The invention will be described in detail below with reference to the drawings attached hereto by way of example, and it will be apparent that the described embodiments are only some, but not all, embodiments of the invention.

As shown in figures 1-3, a distillation tower for efficiently producing p-benzoquinone comprises a tower body 1, wherein a stirring device and a collecting device are arranged inside the tower body 1, the collecting device is arranged above the stirring device, a liquid inlet 2 is arranged on the left side of the tower body 1, the liquid inlet 2 is arranged between the collecting device and the stirring device, an exhaust pipe 3 is arranged at the top of the tower body 1, an exhaust pipe 4 is arranged at the bottom of the tower body 1, an exhaust valve 5 is arranged on the exhaust pipe 4, the collecting device comprises a mounting plate 6, two sides of the mounting plate 6 are fixedly connected with the inner wall of the tower body 1, a plurality of condensing plates 7 are bolted on the bottom surface of the mounting plate 6, the plurality of condensing plates 7 are parallel to each other and perpendicular to the bottom surface of the mounting plate 6, a collector 8 is arranged below the plurality of condensing plates 7, the collector 8 is of a funnel-shaped structure, and the opening of the collector 8 can coat the plurality of vertical condensing plates 7, the liquid phase condensed by the plurality of condensing plates 7 is collected. Collector 8 passes through supporting component and 1 interior wall connection of tower body, supporting component includes ring 18, the diameter and the 8 opening external diameters phase-matchs of collector of

ring

18, 8 covers of collector are established in ring 18, evenly be provided with two at least vaulting poles 19 on the 18 circumference of ring, the welding of two vaulting poles 19 one end is on ring 18, and the other end welding is on 1 inner wall of tower body, two vaulting pole 19 below all is equipped with stiffener 20, stiffener 20 one end links to each other with vaulting pole 19, and the other end links to each other with 1 inner wall of tower body, forms the triangular structure. A liquid discharge pipe 9 is arranged at the bottom of the collector 8, a filter screen 21 is arranged at the input end of the liquid discharge pipe 9, the output end of the liquid discharge pipe 9 penetrates through the right side wall of the tower body 1, and a liquid discharge valve 10 is arranged on the liquid discharge pipe 9.

The stirring device comprises a motor 11 and a stirring assembly, the motor 11 is connected with the stirring assembly through a coupler, the motor 11 drives the stirring assembly to stir the mixed liquid, the stirring assembly comprises a rotating shaft 12 and a plurality of groups of blades 13 uniformly distributed on the rotating shaft 12, each group of blades 13 is two, the two blades 13 are symmetrically arranged by taking the center line of the rotating shaft 12 as a symmetrical point, heating wires 14 are embedded in the plurality of groups of blades 13, and the heating wires 14 are connected with a power switch outside the tower body 1; the two ends of the rotating shaft 12 are respectively sleeved with a bearing 15, a bearing seat 16 is arranged on the outer side of the bearing 15, the bearing seat 16 is fixedly connected with the side wall of the tower body 1, and the arrangement of the bearing 15 and the bearing seat 16 is favorable for preventing the tower body 1 from being damaged by strong friction force generated by the rotating shaft 12 during working; still be equipped with sealed pad 17 between rotation axis 12 and the tower body 1 inboard, sealed pad 17 cover establish rotation axis 12 both ends and with tower wall sealing connection, through setting up sealed pad 17, do benefit to and prevent mixed liquid seepage.

The working principle is as follows: when the distillation tower works, mixed liquor is conveyed into the tower body 1 from the liquor inlet pipe 2, the liquor drainage valve 10 is opened, the motor 11 is electrified to drive the rotating shaft 12 to rotate, the mixed liquor is stirred and heated by the multiple groups of blades 13 on the rotating shaft 12, p-benzoquinone molecules with low boiling points in the mixed liquor are subjected to thermal change of gas phase, move to the tower top from a gap between the supporting component and the tower wall, are cooled by the plurality of condensing plates 7 to become liquid phase and are attached to the condensing plates 7, finally, the liquid phase drops into the collector 8 below the condensing plates 7 to be collected, and the collected p-benzoquinone solution is discharged out of the distillation tower through the liquor drainage pipe 9; after the distillation is finished, opening the vent valve 5, and discharging the residual mixed liquid in the tower body 1 out of the distillation tower along the vent pipe 4.

The utility model discloses an above technical scheme's description can realize heating evaporation through heating device with liquid, needs follow-up condensing panel 7 that gets into to liquefy and collects, and the condensing panel 7 that follow-up processing was equipped with has increased occupation space, has increased the input cost, has certain use limitation, and disposes condensing panel 7 and can not reach the condensation effect of ideal, technical problem that production efficiency is low.

The above description is only 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 can substitute or change the technical solution and the application concept of the present invention within the technical scope disclosed in the present invention.

Claims

1. The utility model provides a high-efficient production is distillation column for p-benzoquinone, includes tower body (1), inside agitating unit and the collection device of being provided with of tower body (1), collection device is located agitating unit's top, tower body (1) left side is provided with inlet (2), inlet (2) are located between collection device and the agitating unit, tower body (1) top is provided with blast pipe (3), and the bottom is provided with blow-down pipe (4), be provided with blow-down valve (5), its characterized in that on blow-down pipe (4): the collecting device comprises a mounting plate (6), mounting plate (6) both sides and tower body (1) inner wall fixed connection, mounting plate (6) bottom surface bolted connection has a plurality of condensation plates (7), a plurality of condensation plates (7) are parallel to each other and perpendicular to mounting plate (6) bottom surface, a plurality of condensation plates (7) below is provided with collector (8), collector (8) are through supporting component and tower body (1) inner wall connection, collector (8) bottom is provided with fluid-discharge tube (9), the output of fluid-discharge tube (9) runs through out tower body (1) right side wall, be provided with flowing back valve (10) on fluid-discharge tube (9).

2. The distillation column for high-efficiency production of p-benzoquinone according to claim 1, wherein: agitating unit includes motor (11) and stirring subassembly, motor (11) pass through the shaft coupling and are connected with the stirring subassembly, motor (11) drive stirring subassembly stirs mixed liquid.

3. The distillation column for high-efficiency production of p-benzoquinone according to claim 2, wherein: the stirring subassembly includes rotation axis (12) and evenly distributed multiunit blade (13) on rotation axis (12), every group blade (13) is two, two blade (13) use the central line of rotation axis (12) to set up as symmetry point symmetry, the embedded heater strip (14) that is equipped with of multiunit blade (13), heater strip (14) and the outside switch hookup of tower body (1).

4. The distillation column for high-efficiency production of p-benzoquinone according to claim 3, wherein: the two ends of the rotating shaft (12) are respectively sleeved with a bearing (15), a bearing seat (16) is arranged on the outer side of the bearing (15), and the bearing seat (16) is fixedly connected with the side wall of the tower body (1).

5. The distillation column for high-efficiency production of p-benzoquinone according to claim 3, wherein: still be equipped with sealed pad (17) between rotation axis (12) and tower body (1) inboard, sealed pad (17) cover is established at rotation axis (12) both ends and with tower wall sealing connection.

6. The distillation column for high-efficiency production of p-benzoquinone according to claim 1, wherein: the collector (8) is of a funnel-shaped structure, and the opening of the collector (8) can wrap a plurality of vertical condensation plates (7) therein.

7. The distillation column for high-efficiency production of p-benzoquinone according to claim 1, wherein: the supporting component comprises a circular ring (18), the diameter of the circular ring (18) is matched with the outer diameter of an opening of the collector (8), the collector (8) is sleeved in the circular ring (18), at least two support rods (19) are evenly arranged on the circumference of the circular ring (18), one ends of the two support rods (19) are welded on the circular ring (18), the other ends of the two support rods (19) are welded on the inner wall of the tower body (1), reinforcing rods (20) are arranged below the two support rods (19), one ends of the reinforcing rods (20) are connected with the support rods (19), and the other ends of the two support rods are connected with the inner wall of the tower body (1) to form a triangular structure.

8. The distillation column for high-efficiency production of p-benzoquinone according to claim 1, wherein: and a filter screen (21) is arranged at the input end of the liquid discharge pipe (9).