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CN-224207525-U - Viscous liquid filtering device

CN224207525UCN 224207525 UCN224207525 UCN 224207525UCN-224207525-U

Abstract

The utility model relates to the technical field of detection devices and discloses a viscous liquid filtering device, which comprises a support, wherein the support is sequentially provided with a pressurizing mechanism, a sampling mechanism and a filtering piece which are communicated in a sealing way from top to bottom, and a receiving piece. According to the technical scheme, the viscous liquid is placed in the sample injection mechanism, the sample injection mechanism is communicated with the filtering piece in a sealing way, the viscous liquid is pressurized from the sample injection mechanism through the pressurizing mechanism and is filtered through the filtering piece, so that the time required by filtration is greatly reduced, the filtration is more complete, and the filtering effect is good. The support can be separated from top to bottom, so that the pressurizing mechanism, the filtering piece and the receiving piece can be conveniently installed and replaced.

Inventors

  • YANG HONGYUN
  • GAO ZIKUN
  • YU YA
  • WANG JIAN
  • XU HAIQING
  • ZHANG XIAOLIN
  • KONG LINGJIE

Assignees

  • 国贸食品科学研究院有限公司

Dates

Publication Date
20260508
Application Date
20250422

Claims (10)

  1. 1. The utility model provides a viscous liquid filter equipment, its characterized in that, includes support (1), support (1) top-down is equipped with pressurization mechanism (3), sealed sampling mechanism (2) and filter element (4) of intercommunication in proper order to and receive piece (5), support (1) are including upper bracket (11) and lower carriage (12) of dismantling the connection, sampling mechanism (2) with pressurization mechanism (3) detachably set up on upper bracket (11), filter element (4) with receive piece (5) detachably set up on lower carriage (12), pressurization mechanism (3) can drive viscous liquid in sampling mechanism (2) is through filter element (4) and enter into in receiving piece (5).
  2. 2. The viscous liquid filtering device according to claim 1, wherein the sample feeding mechanism (2) comprises a cylinder (21), a piston (22) and a liquid outlet (23) arranged at the lower end of the cylinder (21), the liquid outlet (23) is communicated with the filtering piece (4) in a sealing way, the piston (22) is connected to the inner wall of the cylinder (21) in a sealing way, and the piston can slide downwards along the inner wall of the cylinder (21) under the driving of the pressurizing mechanism (3) so that the viscous liquid is discharged through the liquid outlet (23).
  3. 3. Viscous liquid filtration apparatus according to claim 2, wherein the piston (22) has a length greater than the length of the cylinder (21) and comprises a piston head (221) and a piston rod (222), the piston rod (222) being arranged above the piston head (221), the piston head (221) being sealingly connected to the inner wall of the cylinder (21), the pressurizing mechanism (3) being connected to the piston rod (222).
  4. 4. Viscous liquid filtration device according to claim 2, characterized in that the outer wall of the cylinder (21) is provided with outwardly protruding fixing blocks (24), the outer wall of the fixing blocks (24) being rough and abutting against the inner wall of the upper bracket (11).
  5. 5. Viscous liquid filtration device according to claim 2, characterized in that the upper end of the upper bracket (11) is provided with a horizontal first support plate (13), the pressurizing mechanism (3) is arranged on the first support plate (13) and comprises a screw rod (31) and a driving piece (32), the screw rod (31) penetrates through the first support plate (13) along the vertical direction and is in threaded connection with the first support plate (13), the top of the screw rod (31) is connected with the driving piece (32) and the bottom of the screw rod is in butt joint with the piston (22), and the screw rod (31) can be driven by the driving piece (32) to rotate and push the piston (22) downwards.
  6. 6. The viscous liquid filtering apparatus according to claim 1, wherein a fastening member (16) is provided at a junction of the upper bracket (11) and the lower bracket (12), and the fastening member (16) includes a magnet fastening groove (161) and a magnet fastening protrusion (162) which are provided at a junction of the upper bracket (11) and the lower bracket (12) and are matched with each other.
  7. 7. The viscous liquid filtering device according to claim 1, wherein the lower bracket (12) is further provided with a second supporting plate (14) horizontally arranged, the second supporting plate (14) is arranged between the filtering piece (4) and the receiving piece (5) and supported below the filtering piece (4), the filtering piece (4) is communicated with the receiving piece (5) through a pipeline, and a through hole is formed in the second supporting plate (14) to allow the pipeline to pass through.
  8. 8. The viscous liquid filtration device according to claim 1, wherein the filter element (4) comprises a housing and a filter membrane (44) arranged in the housing, the housing comprises an upper housing (41), a lower housing (42) and a side housing (43), a sample injection tube (45) is communicated above the upper housing (41), the sample injection tube (45) is communicated with the sample injection mechanism (2) in a sealing manner, a sample outlet tube (46) is communicated below the lower housing (42), and the sample outlet tube (46) is communicated with the receiving element (5).
  9. 9. Viscous liquid filtration device according to claim 1, characterized in that the bottom of the lower bracket (12) is provided with a third support plate (15), the outer edge of the third support plate (15) is provided with an upwardly protruding rim (151), and the receiving member (5) is placed on the third support plate (15) inside the rim (151).
  10. 10. Viscous liquid filtration device according to claim 2, wherein the cartridge (21) and/or the receiving member (5) are provided with graduation marks.

Description

Viscous liquid filtering device Technical Field The utility model relates to the technical field of detection devices, in particular to a viscous liquid filtering device. Background The separation principle of the chromatograph is that different components of the sample in the mobile phase of the chromatograph column and the stationary phase have the functions of adsorption, ion distribution attraction, exclusion, affinity and the like, and the retention time of various components in the stationary phase is different due to the different magnitude and strength of acting force, so that the components flow out of the chromatograph column successively to achieve the separation effect. Through development of technology, chromatograph analysis instruments have played an important role in various fields such as environmental protection and life sciences. In daily detection, a viscous sample or large particulate matters in the sample easily cause problems of peak tailing, widening column pollution, ghost peaks and the like caused by high column efficiency and low system pressure due to chromatographic column blockage. Therefore, the liquid to be detected after pretreatment of the sample to be detected needs to be filtered by a filter membrane and then is detected by a machine, so as to protect the chromatographic column. The syrup sample has the characteristics of high product viscosity, multiple solid particles and the like, when the syrup sample is used for testing substances, even though supernatant fluid is subjected to pretreatment, the viscosity is still high, large-particle substances exist, the solid particles in the syrup sample can be detected by being filtered and removed, the viscous liquid is usually drained onto a filter membrane to be filtered in a traditional mode during filtration, the time consumption is long, and the filtration is insufficient. Disclosure of utility model The utility model aims to solve the problems that in the prior art, the viscous liquid is filtered by adopting a traditional mode when being drained onto a filter membrane, the time is long, and the filtration is insufficient. In order to achieve the above purpose, the utility model provides a viscous liquid filtering device, which comprises a bracket, wherein the bracket is sequentially provided with a pressurizing mechanism, a sampling mechanism and a filtering piece which are communicated in a sealing way from top to bottom, and a receiving piece, the bracket comprises an upper bracket and a lower bracket which are detachably connected, the sampling mechanism and the pressurizing mechanism are detachably arranged on the upper bracket, the filtering piece and the receiving piece are detachably arranged on the lower bracket, and the pressurizing mechanism can drive viscous liquid in the sampling mechanism to pass through the filtering piece and enter the receiving piece. In some embodiments, the sample injection mechanism comprises a cylinder, a piston and a liquid outlet arranged at the lower end of the cylinder, the liquid outlet is communicated with the filtering piece in a sealing way, the piston is connected to the inner wall of the cylinder in a sealing way, and the piston can slide downwards along the inner wall of the cylinder under the driving of the pressurizing mechanism so that viscous liquid is discharged through the liquid outlet. In some embodiments, the piston has a length greater than the length of the barrel and includes a piston head and a piston rod disposed above the piston head, the piston head being sealingly connected to an inner wall of the barrel, and the pressurizing mechanism being connected to the piston rod. In some embodiments, the outer wall of the cylinder is provided with an outwardly protruding fixing block, the outer wall of which is rough and abuts the inner wall of the upper bracket. In some embodiments, the upper end of the upper bracket is provided with a horizontal first supporting plate, the pressurizing mechanism is arranged on the first supporting plate and comprises a screw rod and a driving piece, the screw rod penetrates through the first supporting plate in the vertical direction and is in threaded connection with the first supporting plate, the top of the screw rod is connected with the driving piece, the bottom of the screw rod is in butt joint with the piston, and the screw rod can be driven by the driving piece to rotate and push the piston downwards. In some embodiments, the connection of the upper bracket and the lower bracket is provided with a fastener, and the fastener comprises a magnet buckling groove and a magnet buckling protrusion which are arranged at the connection of the upper bracket and the lower bracket and are matched with each other. In some embodiments, the lower bracket is further provided with a second support plate which is horizontally arranged, the second support plate is arranged between the filter element and the receiving element and is supported be