CN219149304U - Purification equipment for the production of tetrachlorophthalic anhydride - Google Patents

Abstract

The utility model belongs to the technical field of tetrachlorophthalic anhydride and discloses a purification equipment for tetrachlorophthalic anhydride production. The purification equipment for the production of tetrachlorophthalic anhydride includes a box body, a feed pipe is fixedly connected to the center of the upper surface of the box body, and a telescopic tube is fixedly connected to the bottom end of the feed pipe inside the box body. The purification equipment for the production of tetrachlorophthalic anhydride, after the liquid enters the cylinder and pours into the corresponding capacity, the telescopic tube moves upward and resets, the motor starts to drive the transmission rod to rotate, and the circular tube rotates horizontally. When rotating, the cylinder passes through The rotating rod rotates vertically, and the speed of the motor controls its two horizontal and vertical rotation speeds, thereby speeding up the mixing of the two liquids. After mixing, the impurities in tetrachlorophthalic anhydride are not soluble in ethanol, and the impurities float in the mixed liquid. After the discharge valve is discharged, the mixed liquid enters the drying box after being filtered through the filter screen, and the ethanol is evaporated to complete the purification, which improves the purification efficiency and quality.

Description

A kind of purification equipment for tetrachlorophthalic anhydride production

technical field

The utility model relates to the technical field of tetrachlorophthalic anhydride, in particular to a purification equipment for tetrachlorophthalic anhydride production.

Background technique

White crystal or colorless prismatic needle crystal. Soluble in dioxane, insoluble in ether, insoluble in cold water, decomposed into tetrachlorophthalic acid in hot water. The melting point is 254-256°C. The boiling point is 371°C. Mainly used in medicine, pesticide, dye, pigment and other intermediates, resin flame retardant, plastic reinforcing agent.

But now the purification efficiency of the equipment produced in p-tetrachlorophthalic anhydride is too low, and the purification quality is poor, and impurities cannot be removed well. Therefore, we are in urgent need of a kind of purification equipment for the production of tetrachlorophthalic anhydride to solve the above problems.

Utility model content

The purpose of the utility model is to provide a purification equipment for the production of tetrachlorophthalic anhydride, which improves the quality and efficiency of purification of tetrachlorophthalic anhydride.

In order to achieve the above object, the utility model is realized through the following technical solutions: a kind of purification equipment for the production of tetrachlorophthalic anhydride, including a box body, the center position of the upper surface of the box body is fixedly connected with a feed pipe, and the feed pipe The bottom end of the box is fixedly connected with a telescopic tube;

The left and right sides of the inner wall of the box are fixedly equipped with brackets, and the opposite sides of the two brackets are fixedly equipped with a protective box, and a motor is fixedly installed in the protective box, and the output end of the motor is fixed by a coupling The bottom end of the transmission rod is installed, and the top end of the transmission rod extends upwards and is fixedly installed with a turret, and the left and right sides of the turret are fixedly installed with horizontal plates on the front and rear sides.

Preferably, the bottom end of the telescopic tube is fixedly connected with the top end of the shunt pipe, and a one-way valve is fixedly installed at the bottom end of the shunt pipe.

Preferably, the bearings between the two horizontal plates are rotatably connected with rotating rods, fixed plates are fixedly installed on the front and rear sides of the two rotating rods, and a cylinder is arranged between the two fixed plates, and The left and right sides of the cylinder are fixedly connected with the corresponding fixing plates, the upper surface of the cylinder is fixedly equipped with a feed valve, and the left end of the cylinder is provided with a discharge valve.

Preferably, an inspection opening is provided in the box and on the left side of the bracket, and a support rod is rotatably connected to a support rod through a bearing in the inspection port, and a filter screen is fixedly installed on one side of the support rod and located in the box body, and the filter screen Located below the discharge valve, a round pipe is fixedly installed in the box and below the filter screen through a connecting rod, and a drying box is fixedly installed on the bottom wall of the box.

Preferably, the bottom end of the round pipe communicates with the drying box, and the left and right sides of the box are fixedly connected with water outlet valves, and the water outlet valve communicates with the drying box.

By adopting the aforementioned technical scheme, the beneficial effects of the utility model are:

1. The purification equipment for the production of tetrachlorophthalic anhydride. The operator initially mixes ethanol and tetrachlorophthalic anhydride and pours it into the feed pipe. After the mixed liquid enters the shunt pipe, the telescopic pipe moves downward and aligns the one-way valve with the cylinder. After the upper feed valve is docked with it, after docking, the one-way valve is opened, after the liquid enters the cylinder and pours into the corresponding capacity, the telescopic tube moves upward and resets, the motor starts to drive the transmission rod to rotate, and the round tube rotates horizontally , when rotating, the cylinder rotates longitudinally through the rotating rod, and the speed of the motor controls its two horizontal and vertical rotation speeds, thereby speeding up the mixing of the two liquids. After mixing, because the impurities in tetrachlorophthalic anhydride are not soluble in ethanol, Impurities float in the mixed liquid, and after being discharged through the discharge valve, filtered through the filter, the mixed liquid enters the drying box, and the ethanol is evaporated to complete the purification, which improves the purification efficiency and quality.

2. The purification equipment for the production of tetrachlorophthalic anhydride, when the filter screen needs to be cleaned, open the inspection port, and after the support rod is rotated with the bearing connected to it, the impurities on the filter screen are removed and then reset, so as to realize the purity of tetrachlorophthalic anhydride improve.

Description of drawings

Fig. 1 is a schematic diagram of a full section structure of the utility model;

Fig. 2 is the enlarged view of place A in Fig. 1 of the utility model;

Fig. 3 is a schematic diagram of the cylinder structure of the utility model.

In the figure: 1 box body, 2 feed pipe, 3 telescopic pipe, 4 shunt pipe, 5 one-way valve, 6 bracket, 7 protective box, 8 motor, 9 transmission rod, 10 turret, 11 horizontal plate, 12 rotating rod , 13 fixed plate, 14 cylinder, 15 inlet valve, 16 outlet valve, 17 inspection port, 18 support rod, 19 filter screen, 20 round pipe, 21 drying box, 22 outlet valve.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-3, the utility model provides a technical solution: a purification equipment for the production of tetrachlorophthalic anhydride, including a box body 1, the center position of the upper surface of the box body 1 is fixedly connected with a feed pipe 2, and the feed pipe The bottom end of 2 and located in the box body 1 is fixedly connected with the telescopic tube 3, and the bottom end of the telescopic tube 3 is fixedly connected with the top end of the shunt pipe 4, and the bottom end of the shunt pipe 4 is fixedly installed with a one-way valve 5, and the inner wall of the box body 1 Supports 6 are fixedly installed on the left and right sides, and a protective box 7 is fixedly installed on the opposite sides of the two brackets 6. A motor 8 is fixedly installed in the protective box 7, and the output end of the motor 8 is fixedly installed with a transmission rod through a coupling. 9, and the top of the transmission rod 9 extends upwards and is fixedly installed with a turret 10. The bearing is rotatably connected with a rotating rod 12, the front and rear sides of the two rotating rods 12 are fixedly equipped with a fixed plate 13, and a cylinder 14 is arranged between the two fixed plates 13, and the left and right sides of the cylinder 14 are all aligned with the corresponding The fixed plate 13 is fixedly connected, the upper surface of the cylinder 14 is fixedly installed with a feed valve 15, the left end of the cylinder 14 is provided with a discharge valve 16, and an inspection port 17 is provided in the box body 1 and on the left side of the bracket 6 for maintenance. A support rod 18 is connected to the mouth 17 through bearing rotation, and a filter screen 19 is fixedly installed on the side of the support rod 18 and located in the box body 1. The filter screen 19 is located below the discharge valve 16, and the filter screen is located in the box body 1. A round pipe 20 is fixedly installed below 19 through a connecting rod, and a drying box 21 is fixedly installed on the inner bottom wall of the box body 1. There is a water outlet valve 22, and the water outlet valve 22 communicates with the drying box 21.

When the purification equipment for the production of tetrachlorophthalic anhydride is working, the operator initially mixes ethanol and tetrachlorophthalic anhydride and pours it into the feed pipe 2. After the mixed liquid enters the shunt pipe 4, the telescopic pipe 3 moves downward, and the one-way valve 5 Align the feeding valve 15 on the cylinder 4 and dock with it. After docking, the one-way valve 5 is opened. After the liquid enters the cylinder 14 and pours into the corresponding capacity, the telescopic tube 3 moves upward and resets, and the motor 8 starts Drive the transmission rod 9 to rotate, and the circular tube 4 to rotate horizontally. When rotating, the cylinder 14 rotates longitudinally through the rotating rod 12, and the speed of the motor 8 controls its two horizontal and vertical rotation speeds, thereby speeding up the mixing of the two liquids. , after mixing, because the impurity in the tetrachlorophthalic anhydride is not soluble in ethanol, the impurity floats in the mixed liquid, after being discharged by the discharge valve 16, after filtering by the filter screen 19, the mixed liquid enters the drying box 21, after the ethanol is evaporated Carry out discharge, when filter screen 19 needs cleaning, open inspection port 17, after supporting bar 18 is rotated with the bearing that is connected with it, reset after the impurity on filter screen 19 is removed.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. Purification equipment for producing tetrachlorophthalic anhydride, which comprises a box body (1), and is characterized in that: the central position of the upper surface of the box body (1) is fixedly communicated with a feeding pipe (2), and the bottom end of the feeding pipe (2) is positioned in the box body (1) and fixedly communicated with a telescopic pipe (3);

the utility model discloses a motor, including box (1) inner wall, including box (1) and fixed mounting, the left and right sides of box (1) inner wall is all fixed mounting has support (6), and two the opposite side fixed mounting of support (6) has protective housing (7), fixed mounting has motor (8) in protective housing (7), and the output of motor (8) has the bottom of transfer line (9) through shaft coupling fixed mounting, and the top of transfer line (9) upwards extends and fixed mounting has rotating frame (10), both sides all fixed mounting have diaphragm (11) around rotating frame (10) left and right sides.

2. The purification apparatus for producing tetrachlorophthalic anhydride according to claim 1, wherein: the bottom end of the telescopic pipe (3) is fixedly communicated with the top end of the shunt pipe (4), and the bottom end of the shunt pipe (4) is fixedly provided with a one-way valve (5).

3. The purification apparatus for producing tetrachlorophthalic anhydride according to claim 1, wherein: the bearing rotation is connected with bull stick (12) between two diaphragm (11), two the front and back both sides of bull stick (12) are all fixed mounting has fixed plate (13), and two be provided with drum (14) between fixed plate (13), and the left and right sides of drum (14) all with correspond fixed plate (13) fixed connection, the upper surface fixed mounting of drum (14) has feed valve (15), the left end of drum (14) is provided with bleeder valve (16).

4. The purification apparatus for producing tetrachlorophthalic anhydride according to claim 1, wherein: the novel drying box comprises a box body (1), wherein an overhaul hole (17) is formed in the box body (1) and located on the left side of a support (6), a support rod (18) is connected in the overhaul hole (17) through a bearing in a rotating mode, a filter screen (19) is fixedly arranged on one side of the support rod (18) located in the box body (1), the filter screen (19) is located below a discharge valve (16), a round pipe (20) is fixedly arranged in the box body (1) and located below the filter screen (19) through a connecting rod, and a drying box (21) is fixedly arranged on the inner bottom wall of the box body (1).

5. A purification apparatus for producing tetrachlorophthalic anhydride according to claim 4, wherein: the bottom of pipe (20) communicates with stoving case (21) each other, the left and right sides of box (1) all is fixed to be linked together and is had outlet valve (22), and outlet valve (22) communicate with stoving case (21) each other.

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