CN217163506U

CN217163506U - Filtering device for medical intermediate

Info

Publication number: CN217163506U
Application number: CN202220251394.8U
Authority: CN
Inventors: 宋香羿; 王延朋; 邴贵方
Original assignee: Shandong Zhanhua Haohan Pharmaceutical Co ltd
Current assignee: Shandong Zhanhua Haohan Pharmaceutical Co ltd
Priority date: 2022-02-07
Filing date: 2022-02-07
Publication date: 2022-08-12
Anticipated expiration: 2032-02-07

Abstract

The utility model provides a filtering device of a medical intermediate, which comprises a sealing shell, a filtering component and a liquid guiding and exhausting piece; the sealing shell is formed by detachably connecting a sealing cover, a sealing shell main body and a sealing bottom from top to bottom; the seal cover is provided with a liquid inlet and an air outlet; the side wall of the enclosure body is provided with an air outlet pipe; a liquid outlet is arranged on the back cover; the filter assembly comprises a top plate, a bottom plate and a cylindrical annular filter layer arranged between the top plate and the bottom plate; the filter assembly is detachably arranged in the inner cavity of the enclosure; the liquid guide exhaust piece comprises a liquid guide piece and an exhaust pipe; the liquid guide piece is connected with the liquid inlet and can guide the liquid to the inner side wall of the filter layer; one end of the exhaust pipe is communicated with the inner cavity of the filter layer, and the other end of the exhaust pipe penetrates into the exhaust port. Medicine intermediate's filter equipment structural design reasonable, each part can independently dismantle, convenient washing and maintenance.

Description

Filtering device for medical intermediate

Technical Field

The utility model belongs to the technical field of filter, especially, relate to a medical intermediate's filter equipment.

Background

The pharmaceutical intermediates are chemicals synthesized in the process of preparing target drugs. A filtering device is needed in the preparation process of the medical intermediate, and the filtering device intercepts particles and other impurities in the feed liquid through a filtering layer inside the filtering device, so that the aim of clarifying the feed liquid is fulfilled. The traditional medical intermediate filtering device generally comprises a shell provided with a liquid inlet, a liquid outlet and an evacuation port and a filtering membrane package arranged in the shell, and the filtering membrane package of the filtering device is fixed on a corresponding structure, so that the filtering device is not easy to disassemble and assemble, and is inconvenient to clean, maintain and replace parts.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to provide a filtration device for medical intermediates, which has a reasonable structure design, and each component can be detached independently, and is convenient to clean and maintain, so as to solve the above problems.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a filtration device for pharmaceutical intermediates, comprising:

an enclosure comprising an enclosure body, a lid, and a back cover; the capsule main body is of a hollow cylindrical structure with the upper end and the lower end being open, and an air outlet pipe communicated with the inner cavity of the capsule main body is arranged on the side wall of the capsule main body; the sealing cover is detachably arranged at the top of the sealing cover main body, and a liquid inlet and an air outlet are formed in the sealing cover; the back cover is detachably arranged at the bottom of the enclosure main body, and a liquid outlet is formed in the back cover;

the filter assembly comprises a top plate, a bottom plate and a cylindrical annular filter layer which is detachably arranged between the top plate and the bottom plate; the filter assembly is arranged in the inner cavity of the enclosure, and the top plate is detachably connected with the enclosure main body, namely the filter assembly and the enclosure main body are detachably arranged in the inner cavity of the enclosure through the top plate;

the liquid guiding and exhausting part comprises a liquid guiding part and an exhaust pipe; the liquid guide piece is connected with the liquid inlet and can guide liquid to the inner side wall of the filter layer, namely the liquid is guided to the inner side wall of the filter layer by the liquid guide piece, the liquid is filtered by the filter layer, filtrate flows to the outer side of the filter layer through the filter layer, enters the area of the inner cavity of the capsule corresponding to the outer wall of the filter layer and finally flows to the liquid outlet of the back cover; one end of the exhaust pipe is communicated with the inner cavity of the filter layer, the other end of the exhaust pipe is inserted into the exhaust port, and the exhaust pipe is used for exhausting air in the inner cavity space of the filter layer.

Can dismantle the connection between closing cap, the capsule main part, the back cover, dismantle down the closing cap after, can take out filter assembly and drain exhaust, realize the shell core separation, be convenient for wash, maintain, change parts.

Further, the liquid guide part comprises a liquid guide disc and a liquid inlet pipe; the liquid guide disc is positioned at the upper end of the inner cavity of the filter layer, a gap is formed between the edge of the side wall of the liquid guide disc and the inner wall of the filter layer, the liquid guide disc can uniformly guide the liquid to the inner wall of the filter layer, the liquid flows transversely along the inner wall of the filter layer to realize filtration, and the liquid flows vertically along the inner wall of the filter layer to realize uniform guide of the liquid to the whole inner wall of the filter layer; the feed liquor pipe is fixed in on the roof, the one end of feed liquor pipe with the inner chamber intercommunication of leading the liquid dish, intercommunication department are gapped paliform, and the feed liquid is through the clearance inflow in leading the liquid dish, need to pay attention to the velocity of flow of control feed liquid, prevent that the velocity of flow is too fast, and the feed liquid is piled up at the filter layer inner chamber, the other end interlude of feed liquor pipe is gone into the inlet, is connected with external feed liquid supply system.

Further, the exhaust pipe is fixed on the top plate; one end of the exhaust pipe penetrates through the bottom of the liquid guide disc and is communicated with the area, below the liquid guide disc, of the filter layer inner cavity, and the exhaust pipe is used for exhausting gas in the filter layer inner cavity.

Further, the area that the enclosure inner chamber is located filtering component's below is equipped with the backup pad, the backup pad supports the bottom plate, be equipped with the intercommunication in the backup pad the regional liquid hole of crossing of filter layer outside and liquid outlet, on the backup pad was collected to the filterable filtrating shell of filtering component, flowed out through the liquid hole, converged liquid outlet department, flowed out through the liquid outlet and got into outside filtrating collection device.

Further, the capsule main body and the cover and the capsule main body and the back cover are connected in a sealing mode through locking bolts; through at closing cap and enclosure main part, the junction of enclosure main part and back cover sets up the gasket, is consolidated by locking bolt again, realizes the sealing cap and, the sealing connection of enclosure main part, back cover, easy dismounting.

Further, a circle of separation layer is arranged in the inner cavity of the capsule along the circumferential direction of the inner cavity of the capsule, and the separation layer separates the inner cavity of the capsule into two mutually independent parts which are respectively a central area and a peripheral area surrounding the central area; the filter assembly is arranged in the central area; the gas outlet pipe extends into the central area and discharges gas in a space between the filtering component and the separation layer; and a heating pipe is arranged in the peripheral area. When the feed liquid needs to be filtered under the condition of heat preservation, the filtering can be realized by a heating pipe,

furthermore, the upper and lower both ends of separate layer all with the inner wall of capsule main part is connected, and the separate layer is connected with the capsule main part promptly, does not influence the dismantlement of closing cap and back cover.

Furthermore, the heating pipe is a coiled pipe arranged along the annular space of the peripheral area, and a heat preservation liquid inlet and a heat preservation liquid outlet which penetrate through the enclosure main body are formed in the heating pipe.

Compared with the prior art, the intermediate's filter equipment of medicine has following advantage:

(1) medicine midbody's filter equipment, structural design is reasonable, can dismantle the connection between closing cap, capsule main part, back cover, the filter assembly, dismantle down the closing cap after, can take out filter assembly and drain air discharge, realize shell core separation, be convenient for wash, maintain, change parts.

(2) The enclosure inner chamber separate into the peripheral zone that is used for being equipped with the center of filtering component and is equipped with the heating pipe by the separate layer, the heating pipe can keep warm to the feed liquid, applicable filtering process that has the requirement to the temperature, application scope is wide.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic view of an internal structure of a filtering apparatus for a pharmaceutical intermediate according to an embodiment of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is an external schematic view of a filtering apparatus for pharmaceutical intermediates according to an embodiment of the present invention.

Description of reference numerals:

1-enclosure, 2-filter component, 3-liquid guide and exhaust part, 4-heating pipe, 5-enclosure body, 6-enclosure cover, 7-bottom enclosure, 8-separation layer, 9-central region, 10-peripheral region, 11-gas outlet pipe, 12-liquid inlet, 13-gas outlet, 14-liquid outlet, 15-top plate, 16-bottom plate, 17-filter layer, 18-support plate, 19-liquid passing hole, 20-gas outlet pipe, 21-liquid guide disc and 22-liquid inlet pipe.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 3, a filtering device for medical intermediate comprises an enclosure 1, a filtering component 2, a liquid guiding and air exhausting piece 3 and a heating pipe 4;

the capsule 1 comprises a capsule body 5, a cover 6 and a back cover 7; the capsule main body 5 is a hollow cylinder structure with the upper end and the lower end open; the cover 6 is detachably mounted on the top of the capsule body 5 by a locking bolt; the back cover 7 is detachably mounted on the bottom of the enclosure body 5 through a locking bolt; a circle of separation layer 8 is arranged in the inner cavity of the enclosure 1 along the circumferential direction of the enclosure, the upper end and the lower end of the separation layer 8 are both connected with the inner wall of the enclosure main body 5, and the separation layer 8 divides a region enclosed by the inner side of the enclosure main body 5 into two parts which are mutually independent and respectively are a central region 9 and a peripheral region 10 surrounding the central region 9; the side wall of the enclosure main body 5 is provided with an air outlet pipe 11 communicated with the central area 9; a liquid inlet 12 and an air outlet 13 are arranged on the sealing cover 6; a liquid outlet 14 is arranged on the back cover 7;

the filter component 2 comprises a top plate 15, a bottom plate 16 and a cylindrical annular filter layer 17 which is detachably arranged between the top plate 15 and the bottom plate 16, wherein the upper end and the lower end of the filter layer 17 are embedded into channels formed in the top plate 15 and the bottom plate 16, and the filter layer 17 can be inserted into and pulled out through external force; the filter assembly 2 is disposed in the central region 9, and the top plate 15 is removably connected to the enclosure body 5; a support plate 18 is arranged in the area below the filter component 2 in the central area 9, the support plate 18 can support a bottom plate 16, the edge of the support plate 18 is connected with the side wall of the separation layer 8, and a liquid passing hole 19 which is communicated with the area outside the filter layer 17 in the central area 9 and the liquid outlet 14 is arranged on the support plate 18;

the liquid guide exhaust member 3 comprises a liquid guide member and an exhaust pipe 20; the liquid guide part comprises a liquid guide disc 21 and a liquid inlet pipe 22; the liquid guide disc 21 is positioned at the upper end of the inner cavity of the filter layer 17, and a gap is formed between the side wall edge of the liquid guide disc 21 and the inner wall of the filter layer 17; the liquid inlet pipe 22 is fixed on the top plate, one end of the liquid inlet pipe 22 is communicated with the inner cavity of the liquid guide disc 21, the communicated part is in a fence shape with a gap, and the other end of the liquid inlet pipe 22 is inserted into the liquid inlet 12 and is connected with an external liquid supply system; the exhaust pipe 20 is fixed on the top plate 15, one end of the exhaust pipe 20 penetrates through the top plate, the bottom of the liquid guide disc 21 is communicated with the area, below the liquid guide disc 21, of the inner cavity of the filter layer 17, the other end of the exhaust pipe 20 penetrates into the exhaust port 13, and the exhaust pipe 20 is used for exhausting air in the inner cavity space of the filter layer 17;

the heating pipe 4 is arranged in the peripheral area 10, the heating pipe 4 is a coiled pipe arranged along the annular space of the peripheral area 10, and the heating pipe 4 is provided with a heat preservation liquid inlet and a heat preservation liquid outlet which penetrate through the enclosure main body 5.

Medicine intermediate's filter equipment's working process as follows:

the liquid inlet pipe 22 is externally connected with a feed liquid supply system, and the liquid outlet 14 is externally connected with a filtrate collecting system; feed liquid flows into the liquid guide disc 21 through the liquid inlet pipe 22, flows onto the inner side wall of the filter layer 17 through a gap between the side wall edge of the liquid guide disc 21 and the inner wall of the filter layer 17, is filtered by the filter layer 17, passes through the filter layer 17, flows into the outer side of the filter layer 17, is collected on the support plate 18, flows out through the liquid hole 19, is collected at the liquid outlet 14, and flows out through the liquid outlet 14 to enter an external filtrate collecting system; when the device is disassembled, the locking bolt is unscrewed, the sealing cover 6 and the sealing bottom 7 are disassembled, and the filter assembly 2 is taken out, so that the disassembly of each main part can be completed.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A filtering device for a pharmaceutical intermediate, comprising:

the filter assembly comprises a top plate, a bottom plate and a cylindrical annular filter layer which is detachably arranged between the top plate and the bottom plate; the filter assembly is arranged in the inner cavity of the enclosure, and the top plate is detachably connected with the enclosure main body;

the liquid guiding and exhausting part comprises a liquid guiding part and an exhaust pipe; the liquid guide piece is connected with the liquid inlet and can guide liquid to the inner side wall of the filter layer; one end of the exhaust pipe is communicated with the inner cavity of the filter layer, and the other end of the exhaust pipe is inserted into the exhaust port.

2. The filtration device for pharmaceutical intermediates according to claim 1, wherein: the liquid guide part comprises a liquid guide disc and a liquid inlet pipe; the liquid guide disc is positioned at the upper end of the inner cavity of the filter layer, and a gap is formed between the edge of the side wall of the liquid guide disc and the inner wall of the filter layer; the liquid inlet pipe is fixed on the top plate, one end of the liquid inlet pipe is communicated with the inner cavity of the liquid guide disc, the communicated part is in a fence shape with a gap, and the other end of the liquid inlet pipe penetrates into the liquid inlet.

3. The filtration device for pharmaceutical intermediates according to claim 2, wherein: the exhaust pipe is fixed on the top plate; one end of the exhaust pipe penetrates through the bottom of the liquid guide disc and is communicated with the area, below the liquid guide disc, of the inner cavity of the filter layer.

4. The filtration device for pharmaceutical intermediates according to claim 1, wherein: the area of the inner cavity of the enclosure below the filtering component is provided with a supporting plate, the supporting plate supports the bottom plate, and the supporting plate is provided with a liquid passing hole for communicating the area outside the filtering layer with the liquid outlet.

5. The filtration device for pharmaceutical intermediates according to claim 1, wherein: the capsule main body and the cover and the capsule main body and the back cover are connected in a sealing mode through locking bolts.

6. The filtration device for pharmaceutical intermediates according to any one of claims 1 to 5, wherein: the inner cavity of the capsule is provided with a circle of separation layer along the circumferential direction, and the separation layer separates the inner cavity of the capsule into two mutually independent parts which are respectively a central area and a peripheral area surrounding the central area; the filter assembly is arranged in the central area, and the air outlet pipe extends into the central area; and a heating pipe is arranged in the peripheral area.

7. The filtration device for pharmaceutical intermediates according to claim 6, wherein: the upper and lower both ends of separate layer all with the inner wall of enclosure main part is connected.

8. The filtration device for pharmaceutical intermediates according to claim 7, wherein: the heating pipe is a coiled pipe arranged along the annular space of the peripheral area, and a heat preservation liquid inlet and a heat preservation liquid outlet which penetrate through the enclosure main body are formed in the heating pipe.