CN214485793U

CN214485793U - Active carbon filter equipment is used in hydroxypropyl betacyclodextrin production

Info

Publication number: CN214485793U
Application number: CN202120573357.4U
Authority: CN
Inventors: 顾秋香; 梁宁宁; 申健; 王波
Original assignee: Shandong Binzhou Zhiyuan Biotechnology Co ltd
Current assignee: Shandong Binzhou Zhiyuan Biotechnology Co ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-10-26
Anticipated expiration: 2031-03-22

Abstract

The utility model provides an active carbon filter equipment is used in hydroxypropyl betacyclodextrin production. The technical scheme improves the assembly structure of the filter element and is additionally provided with a bypass pipe capable of executing reverse pumping. Particularly, the utility model keeps the incoming material pipeline and the filtering component at the upper end of the device, wherein the filtering component is supported by a double-layer base, and the external end cover not only plays a role in fixing the filtering component, but also encloses a filtering channel; when the double-layer base is used, the material liquid is connected into the interlayer of the double-layer base through the joint and the pipeline in sequence, then flows upwards, is guided to the upper part of the cylinder body, finally flows through the cylinder body, and is discharged after being filtered by the activated carbon filter element inside the cylinder body. When the filter element is replaced, the filter element can be replaced only by opening the end cover, and the operation is simple and rapid; when the flow rate is reduced, the feed liquid input can be suspended, the pipe plug is pulled down to perform reverse pumping, so that part of impurities attached to the outer layer of the filter element are removed, and then the filtration is continued, so that the problem of filter element blockage can be relieved.

Description

Active carbon filter equipment is used in hydroxypropyl betacyclodextrin production

Technical Field

The utility model relates to a chemical industry technical field, concretely relates to active carbon filter equipment is used in hydroxypropyl betacyclodextrin production.

Background

Hydroxypropyl-beta-cyclodextrin is an ideal solubilizer and pharmaceutical excipient for injection. The introduction of the hydroxypropyl breaks the intramolecular cyclic hydrogen bond of the beta-cyclodextrin, and overcomes the main defect of poor water solubility of the beta-cyclodextrin while maintaining the cyclodextrin cavity. Is one of the most extensively studied and widely used cyclodextrin derivatives. Is mainly applied to the industries of food, medicine and cosmetics.

In the prior art, hydroxypropyl-beta-cyclodextrin is mainly prepared by condensation reaction of beta-cyclodextrin and propylene oxide in an alkaline medium, and a crude product contains a certain amount of solid impurities, so that filtration treatment is required before discharging. The activated carbon filter element is an ideal filter material for executing the filtration, however, the installation of the activated carbon filter element in the conventional filter is inconvenient, so that the filter element is time-consuming to replace and disassemble. In addition, the filtering speed of the activated carbon filter element is reduced after the activated carbon filter element is used for a period of time, and the filtering speed can be overcome only by a pressurization mode at the moment, but the effect is still not ideal.

Disclosure of Invention

The utility model discloses aim at to prior art's technical defect, provide an active carbon filter equipment is used in hydroxypropyl betacyclodextrin production to solve the inconvenient technical problem of active carbon filter core dismouting in the conventional filter.

The utility model discloses another technical problem that solve is that conventional filter takes place certain degree jam at the filter core and is lack effectual solution.

In order to realize the technical purpose, the utility model adopts the following technical scheme:

an active carbon filtering device for producing hydroxypropyl betadex comprises a body, a pipeline, a pipe plug, a double-layer base, a cylinder body, an O-shaped ring, an end cover, a pressing hole plate, an active carbon filter element, a joint and a gasket, wherein the pipeline is fixedly connected at the lower end of the body, the pipe plug is fixedly connected at one end of the pipeline, the double-layer base is positioned on the body, a screw thread is arranged on the outer side of the outer layer of the double-layer base, a through hole is arranged on the inner layer of the double-layer base, an interlayer is arranged between the inner layer and the outer layer of the double-layer base, the other end of the pipeline is connected into the interlayer, the cylinder body is positioned inside the inner layer of the double-layer base, the O-shaped ring is arranged on the outer wall of the cylinder body, the end cover is fixedly connected onto the outer layer of the double-layer base through the screw thread, the pressing hole plate is arranged at the lower end of the end cover, the pressing hole plate is pressed at the upper end of the cylinder body, a plurality of holes are arranged on the lower end surface of the cylinder body, the active carbon filter element is filled in the cylinder body, the upper end of the pipeline is provided with a bypass pipe, the bypass pipe is provided with a joint, and a gasket is arranged in the joint in a cushioning mode.

Preferably, the liquid inlet pipe is connected to the bypass pipe through a joint, and the bypass pipe is provided with a valve.

Preferably, a gas pipeline is used for replacing the pipe plug, a valve is arranged at the joint of the gas pipeline and the pipeline, and the gas pipeline is connected to a vacuum pump.

Preferably, the lower end of the body has a drain pipe located below the cylinder.

Preferably, a sealing ring is arranged between the inner wall of the end cover and the outer wall of the outer layer of the double-layer base in a cushioning mode.

In the above technical solution, the body is the main structure of the utility model, which mainly plays the roles of constructing the channel and bearing; the pipeline is used for connecting incoming materials into the interlayer of the double-layer base, and meanwhile, is used for connecting negative pressure when reverse pumping is executed; the pipe plug is sealed in daily use, and is connected with a vacuum pipe when reverse pumping is executed; the double-layer base is used for accommodating the cylinder body, fixing the end cover and constructing an interlayer to guide materials above the cylinder body; the cylinder body is used for filling the active carbon filter element therein, and the holes on the bottom surface of the cylinder body are used for discharging filtered liquid; the O-shaped ring is used for preventing the feed liquid from being directly discharged through a gap between the cylinder and the inner layer of the double-layer base, so that the feed liquid is ensured to flow through the cylinder; the end cover is used for constructing a liquid circulation channel on one hand and is used for bearing a pressing pore plate on the other hand so as to press and fix the upper end of the active carbon filter element; the activated carbon filter element is a conventional activated carbon filter material and is used for filtering large granular solids flowing through the activated carbon filter element; the joint is used for connecting the feed liquid pipe, and the gasket is used for ensuring the joint is sealed.

Drawings

FIG. 1 is a perspective view of the whole body of the utility model in a cutting state;

FIG. 2 is an exploded view of the present invention after the activated carbon filter element is removed;

fig. 3 is a cross-sectional view of the present invention as a whole;

in the figure:

1. body 2, pipeline 3, pipe plug 4, double-deck base

5. Barrel 6, O-shaped ring 7, end cover 8 and pressing pore plate

9. Active carbon filter element 10, joint 11, packing ring.

Detailed Description

The following will describe in detail specific embodiments of the present invention. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Example 1

An active carbon filtering device for producing hydroxypropyl betadex comprises a body 1, a pipeline 2, a pipe plug 3, a double-layer base 4, a cylinder 5, an O-shaped ring 6, an end cover 7, a pressing hole plate 8, an active carbon filter element 9, a joint 10 and a gasket 11, wherein the lower end of the body 1 is fixedly connected with the pipeline 2, one end of the pipeline 2 is fixedly connected with the pipe plug 3, the double-layer base 4 is positioned on the body 1, the outer side of the outer layer of the double-layer base 4 is provided with a screw thread, the inner layer of the double-layer base 4 is provided with a through hole, an interlayer is arranged between the inner layer and the outer layer of the double-layer base 4, the other end of the pipeline 2 is connected into the interlayer, the cylinder 5 is positioned in the inner layer of the double-layer base 4, the outer wall of the cylinder 5 is provided with the O-shaped ring 6, the end cover 7 is fixedly connected on the outer layer of the double-layer base 4 through the screw thread, the lower end of the end cover 7 is provided with the pressing hole plate 8, the pressing hole plate 8 is pressed on the upper end of the cylinder 5, the lower end face of the cylinder 5 is provided with a plurality of holes, the cylinder 5 is filled with an active carbon filter element 9, the upper end of the pipeline 2 is provided with a bypass pipe, the bypass pipe is provided with a joint 10, and a gasket 11 is arranged in the joint 10 in a cushioning mode.

The device has the following structural characteristics: the body 1 is the main structure of the utility model, which mainly plays the roles of constructing the channel and bearing; the pipeline 2 is used for connecting incoming materials into an interlayer of the double-layer base 4 and is used for connecting negative pressure when reverse pumping is performed; the pipe plug 3 is closed in daily use, and is connected with a vacuumizing pipe when reverse vacuumizing is performed; the double-layer base 4 is used for accommodating the cylinder 5 on one hand, fixing the end cover 7 on the other hand, and constructing an interlayer to guide incoming materials above the cylinder 5 on the other hand; the cylinder body 5 is used for filling the activated carbon filter element 9 therein, and the holes on the bottom surface of the cylinder body are used for discharging filtered liquid; the O-shaped ring 6 is used for preventing the feed liquid from being directly discharged through a gap between the cylinder 5 and the inner layer of the double-layer base 4, so that the feed liquid is ensured to flow through the cylinder 5; the end cover 7 is used for constructing a liquid circulation channel on one hand and is used for bearing a pressing pore plate 8 on the other hand so as to play a role in pressing and fixing the upper end of the active carbon filter element 9; the activated carbon filter element 9 is a conventional activated carbon filter material and is used for filtering large granular solids flowing through the activated carbon filter element; the joint 10 is used for connecting a feed pipe and the gasket 11 is used for ensuring the seal at the joint.

Example 2

An active carbon filtering device for producing hydroxypropyl betadex comprises a body 1, a pipeline 2, a pipe plug 3, a double-layer base 4, a cylinder 5, an O-shaped ring 6, an end cover 7, a pressing hole plate 8, an active carbon filter element 9, a joint 10 and a gasket 11, wherein the lower end of the body 1 is fixedly connected with the pipeline 2, one end of the pipeline 2 is fixedly connected with the pipe plug 3, the double-layer base 4 is positioned on the body 1, the outer side of the outer layer of the double-layer base 4 is provided with a screw thread, the inner layer of the double-layer base 4 is provided with a through hole, an interlayer is arranged between the inner layer and the outer layer of the double-layer base 4, the other end of the pipeline 2 is connected into the interlayer, the cylinder 5 is positioned in the inner layer of the double-layer base 4, the outer wall of the cylinder 5 is provided with the O-shaped ring 6, the end cover 7 is fixedly connected on the outer layer of the double-layer base 4 through the screw thread, the lower end of the end cover 7 is provided with the pressing hole plate 8, the pressing hole plate 8 is pressed on the upper end of the cylinder 5, the lower end face of the cylinder 5 is provided with a plurality of holes, the cylinder 5 is filled with an active carbon filter element 9, the upper end of the pipeline 2 is provided with a bypass pipe, the bypass pipe is provided with a joint 10, and a gasket 11 is arranged in the joint 10 in a cushioning mode. Wherein, the liquid inlet pipe is connected on the bypass pipe through a joint 10, and a valve is arranged on the bypass pipe. And a gas pipeline is used for replacing the pipe plug 3, a valve is arranged at the joint of the gas pipeline and the pipeline 2, and the gas pipeline is connected to a vacuum pump. A drain pipe is provided at the lower end of the body 1, and is located below the cylinder 5. A sealing ring is arranged between the inner wall of the end cover 7 and the outer wall of the outer layer of the double-layer base 4 in a cushioning mode.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the scope of the present invention should be included in the protection scope of the present invention.

Claims

1. The active carbon filtering device for producing hydroxypropyl betadex is characterized by comprising a body (1), a pipeline (2), a pipe plug (3), a double-layer base (4), a cylinder body (5), an O-shaped ring (6), an end cover (7), a pressing hole plate (8), an active carbon filter element (9), a joint (10) and a gasket (11), wherein the pipeline (2) is fixedly connected to the lower end of the body (1), the pipe plug (3) is fixedly connected to one end of the pipeline (2), the double-layer base (4) is positioned on the body (1), a screw thread is arranged on the outer side of the outer layer of the double-layer base (4), a through hole is arranged on the inner layer of the double-layer base (4), an interlayer is arranged between the inner layer and the outer layer of the double-layer base (4), the other end of the pipeline (2) is connected into the interlayer, the cylinder body (5) is positioned inside the inner layer of the double-layer base (4), the O-shaped ring (6) is arranged on the outer wall of the cylinder body (5), end cover (7) pass through screw thread fixed connection has the pressure to put orifice plate (8) at the lower extreme of end cover (7) on the skin of double-deck base (4), presses and puts orifice plate (8) roof pressure in barrel (5) upper end, and the lower terminal surface of barrel (5) has a plurality of holes, has activated carbon filter core (9) in barrel (5), has bypass pipe in the upper end of pipeline (2) be equipped with on the bypass pipe and connect (10), has filled up packing ring (11) in connecting (10).

2. The activated carbon filtering device for producing hydroxypropyl betadex according to claim 1, characterized in that a liquid inlet pipe is connected to the bypass pipe through a joint (10), and a valve is arranged on the bypass pipe.

3. The activated carbon filtering device for producing hydroxypropyl betadex according to claim 1, characterized in that a pipe plug (3) is replaced by a gas pipeline, a valve is arranged at the joint of the gas pipeline and the pipeline (2), and the gas pipeline is connected to a vacuum pump.

4. The activated carbon filtering device for producing hydroxypropyl betadex according to claim 1, characterized in that the lower end of the body (1) is provided with a drain pipe which is positioned below the cylinder body (5).

5. The activated carbon filtering device for producing hydroxypropyl betadex according to claim 1, characterized in that a sealing ring is padded between the inner wall of the end cap (7) and the outer wall of the outer layer of the double-layer base (4).