Search

CN-224207596-U - Multistage fine filtering device for biological enzyme preparation

CN224207596UCN 224207596 UCN224207596 UCN 224207596UCN-224207596-U

Abstract

The utility model relates to the technical field of filtering devices, and particularly discloses a biological enzyme preparation multistage fine filtering device which comprises a prefilter, a coarse filter and a fine filter which are sequentially arranged, wherein a steam filter is arranged between the coarse filter and the fine filter, the prefilter, the coarse filter and the fine filter comprise a base, a cover body arranged at the top of the base, a locking piece used for fixing the cover body at the top of the base, and a microporous membrane filter element arranged at the top of the base and arranged in the cover body, the top of the base is provided with an input port communicated with an input cavity in the base.

Inventors

  • LI WANGLONG
  • ZHANG BING
  • LI HUAN

Assignees

  • 湖南利尔康生物股份有限公司

Dates

Publication Date
20260508
Application Date
20250603

Claims (8)

  1. 1. The biological enzyme preparation multistage fine filtering device comprises a prefilter (1), a coarse filter (2) and a fine filter (3) which are sequentially arranged, and is characterized in that a steam filter (4) is arranged between the coarse filter (2) and the fine filter (3); The prefilter (1), the coarse filter (2) and the fine filter (3) comprise a base (11), a cover body (12) arranged at the top of the base (11), a locking piece (19) used for fixing the cover body (12) at the top of the base (11) and a microporous membrane filter element (15) arranged at the top of the base (11) and arranged in the cover body (12), an input port (111) communicated with an input cavity in the base (11) is arranged at the top of the base (11), a liquid inlet pipe (13) communicated with the input cavity is connected at the bottom of the base (11), an output port (112) is arranged at the top of the base (11), an abutting joint (151) abutted with the output port (112) is connected at the bottom of the microporous membrane filter element (15), and a liquid outlet pipe (14) communicated with the output cavity is arranged at the bottom of the base (11). A positioning disc (16) is arranged at the top of the microporous membrane filter element (15), and a detection tube (122) capable of pressing the positioning disc (16) is arranged at the top of the cover body (12); The steam outlet end of the steam filter (4) is arranged between the liquid inlet pipe (13) and the liquid outlet pipe (14).
  2. 2. The multistage fine filtering device for biological enzyme preparation according to claim 1, wherein the steam filter (4) comprises a steam filter main body (41) and a conveying pipeline (42) connected to the steam outlet end of the steam filter main body (41), a control valve (43) is arranged on the conveying pipeline (42), and one end, far away from the control valve (43), of the coarse filter (2) is connected with a mounting pipe (44).
  3. 3. The multistage fine filtration device of biological enzyme preparation of claim 2, wherein one end of the liquid inlet pipe (13) far away from the base (11) is connected with a detection valve (131), the installation pipe (44) is connected between the detection valve (131) and the liquid outlet pipe (14), and the bottom of one end of the liquid inlet pipe (13) close to the base (11) is also connected with a waste liquid pipe (132).
  4. 4. The multistage fine filtration device for biological enzyme preparations according to claim 1, wherein the positioning plate (16) is provided with a fixing hole (161) which can be inserted into the top of the microporous membrane filter element (15), the inner diameter of the fixing hole (161) is smaller than the outer diameter of the microporous membrane filter element (15), the center of the positioning plate (16) is provided with a through hole (163), and the center of the top of the base (11) is provided with a positioning screw (17) which can pass through the through hole (163).
  5. 5. The multistage fine filtration device for biological enzyme preparations according to claim 4, wherein the positioning plate (16) is provided with two groups of detection holes (162) communicated with the detection tube (122), the top of the cover body (12) is provided with a detection cavity communicated with the detection tube (122), and the top of the cover body (12) is provided with a pressure detection component (121) corresponding to the detection cavity.
  6. 6. The multistage fine filtration device for the biological enzyme preparation, which is disclosed in claim 1, is characterized in that a protective piece (18) is further arranged on the top of the base (11), the protective piece (18) comprises a sealing plate (181) and a pressing plate (182), an angle between the sealing plate (181) and the pressing plate (182) is 90-120 degrees, the top of the base (11) is fixedly connected with a rotating block (183), the connecting part of the sealing plate (181) and the pressing plate (182) is rotationally connected with the rotating block (183), and one side end part of the pressing plate (182) far away from the sealing plate (181) is contacted with the bottom of the cover body (12).
  7. 7. The multistage fine filtration device of biological enzyme preparation of claim 1, wherein the locking piece (19) comprises a rotating seat (191) fixedly connected to the bottom of the outer ring of the base (11), the rotating seat (191) is rotationally connected with a rotating rod (192), the rotating rod (192) is in threaded connection with a threaded sleeve (194), a limiting block (193) is rotationally connected to the threaded sleeve (194), and one side extension part of the limiting block (193) is in contact with the outer ring of the bottom of the cover body (12).
  8. 8. The multistage fine filtration device for biological enzyme preparation according to claim 1, wherein the pore diameters of the microporous membrane filter cores (15) in the prefilter (1), the coarse filter (2) and the fine filter (3) are gradually reduced.

Description

Multistage fine filtering device for biological enzyme preparation Technical Field The utility model relates to the technical field of filtering devices, in particular to a biological enzyme preparation multistage fine filtering device. Background The biological enzyme liquid produced by enterprises is subjected to rough filtration to obtain enzyme rough liquid, and the enzyme rough liquid is subjected to fine filtration, filtration and sterilization to obtain the biological enzyme preparation product meeting the technical standard requirements. The existing filtering system can not meet the requirements of filtering precision and sterilization, and further the filtered enzyme preparation product can not meet the technical standard requirements and the sterilization requirements, and the quality of the product is affected. For example, in the prior art, the multistage screening device for the stock solution of the biological enzyme preparation disclosed by the publication No. CN221618755U comprises a fixed half tank and a movable tank cover, wherein the movable tank cover is hinged to one side of the fixed half tank, a dispersing plate is fixedly arranged at the position, close to the top, of the inner side of the fixed half tank, a sealing sheet area is transversely arranged at the middle position of the dispersing plate, a dispersing through hole is formed in the outer side of the sealing sheet area, a screening plate is arranged at the bottom of the dispersing plate at intervals and is fixedly connected with the fixed half tank, a stirring shaft piece is arranged at the inner side of the fixed half tank and penetrates through the middle of the dispersing plate and the screening plate through a water seal bearing, three groups of screening holes of notch filter paper layers in the three groups of screening plates are respectively provided with a quick hole, a medium speed hole and a slow speed hole from top to bottom. Among the above-mentioned screening device, accessible three groups of filter plates are filtered, but lack multistage gradient filtration design, lead to large granule impurity insufficient interception, follow-up fine filtration filter core is easy to block up, and filtration efficiency is low, can not satisfy filtration precision and sterile requirement, remains tiny particle or microorganism in the final product, needs to improve. Aiming at the problems, a multi-stage fine filtration device for a biological enzyme preparation is provided. Disclosure of utility model The utility model aims to provide a biological enzyme preparation multistage fine filtration device so as to solve the problems in the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: The biological enzyme preparation multistage fine filtering device comprises a prefilter, a coarse filter and a fine filter which are sequentially arranged, wherein a steam filter is arranged between the coarse filter and the fine filter; The prefilter, the coarse filter and the fine filter comprise a base, a cover body arranged at the top of the base, a locking piece for fixing the cover body at the top of the base and a microporous membrane filter element arranged at the top of the base and arranged in the cover body, wherein the top of the base is provided with an input port communicated with an input cavity in the base, the bottom of the base is connected with a liquid inlet pipe communicated with the input cavity, the top of the base is provided with an output port, the bottom of the microporous membrane filter element is connected with a butt joint head butted with the output port, the output port is communicated with an output cavity in the base, and the bottom of the base is provided with a liquid outlet pipe communicated with the output cavity; the top of the microporous membrane filter element is provided with a positioning disc, and the top of the cover body is provided with a detection tube capable of pressing the positioning disc; The steam outlet end of the steam filter is arranged between the liquid inlet pipe and the liquid outlet pipe. In an alternative scheme, the steam filter comprises a steam filter main body and a conveying pipeline connected to the steam outlet end of the steam filter main body, a control valve is arranged on the conveying pipeline, and one end, far away from the control valve, of the coarse filter is connected with a mounting pipe. In an alternative scheme, one end of the liquid inlet pipe far away from the base is connected with the detection valve, the installation pipe is connected between the detection valve and the liquid outlet pipe, and the bottom of the liquid inlet pipe close to one end of the base is also connected with the liquid waste pipe. In an alternative scheme, a fixed hole which can be inserted into the top of the microporous membrane filter element is formed in the positioning disc, the inner diameter of t