CN217988525U

CN217988525U - High-efficient mobile phase seals filter equipment

Info

Publication number: CN217988525U
Application number: CN202222356759.6U
Authority: CN
Inventors: 张相军; 乔峥; 何刚
Original assignee: Jinan Tiangong Instrument Co ltd
Current assignee: Jinan Tiangong Instrument Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2022-12-09
Anticipated expiration: 2032-09-06

Abstract

The utility model relates to a high-efficient mobile phase seals filter equipment belongs to the sealed filtration equipment technical field of solution. Its main in-process to current solution filtration transfer appears spilling easily, volatilizees the scheduling problem, provides following technical scheme, including stock solution bottle, receiving flask, vacuum suction filtration pump and sealed filter piece, sealed filter piece is including filtering the base, and the bottom swing joint that filters the base has the sealed lid of receiving flask, and the inside of the sealed lid of receiving flask is offered the vacuum channel of circulation gas and the filtration passageway of circulation solution. The utility model discloses a set up vacuum filtration pump and sealed filtration piece, and then in taking out the receiving flask with the solution filtration formula in the raw liquid bottle to avoided the use of middle transfer bottle, and then when realizing rejecting the impurity that influences chromatographic column life and system detection precision in the solvent, the sealed problem of guarantee solvent, the overall process is sealed, guarantees the safety of operating personnel and laboratory, avoids the solvent to volatilize.

Description

High-efficient mobile phase seals filter equipment

Technical Field

The utility model relates to a solution seals filtration equipment technical field, especially relates to a high-efficient mobile phase seals filter equipment.

Background

The filter structure commonly used in the laboratory at present is a funnel flask for filtering a filter membrane support and a filter membrane, negative pressure is pumped in a triangular flask for filtering, a mobile phase is firstly filtered into a receiving triangular flask matched with the filter membrane support filter, and then the filtered mobile phase is transferred into a chromatographic mobile phase solvent bottle. In the above transfer process, firstly, because the filter funnel is not sealed, the solution is inevitably volatilized, and a lot of organic solution is harmful to human; secondly, the situation that the mobile phase is scattered to the outside can hardly take place to the mobile phase bottle in the transfer of triangular flask, has caused the waste like this on the one hand, and on the other hand can cause the pollution to the environment because the mobile phase is mostly organic solvent, causes the harm to operating personnel's health. Even if the mobile phase is not scattered in the transferring process, a certain amount of volatile solvent is also generated due to the fact that most of the mobile phase is volatile solvent, so that the environment is polluted, and the health of people is damaged. And the triangular flask for receiving and filtering is a universal flask, and redundant operations and hidden dangers such as repeated washing, unclean washing, test solvent pollution and the like can exist.

Therefore, how to treat the solution sealed filtering equipment is a technical problem which needs to be solved by the technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high-efficient mobile phase seals filter equipment to the problem that exists among the background art.

The technical scheme of the utility model: the utility model provides a high-efficient mobile phase seals filter equipment, includes former liquid bottle, receiving flask, vacuum suction pump and sealed filtration piece, sealed filtration piece is including filtering the base, and the bottom swing joint that filters the base has the sealed lid of receiving flask, and the inside of the sealed lid of receiving flask sets up the gaseous vacuum channel of circulation and the filtration passageway of circulation solution, and the top of filtering the base is equipped with the filter cover, and the pipe joint is installed on the top of filter cover, it holds in the palm and filtration membrane to filter to be provided with the filter membrane between base and the filter cover, threaded connection has vacuum connector on the lateral wall of filter base, and vacuum connector connects in the one end of filtering the base extends into vacuum channel.

Preferably, an infusion tube is connected between the raw liquid bottle and the collecting bottle.

Preferably, one end of the infusion tube is inserted into the pipeline joint, and the other end of the infusion tube extends into the raw liquid bottle.

Preferably, a connecting pipe is connected between the collecting bottle and the vacuum filtration pump, one end of the connecting pipe is inserted into the vacuum joint, and the other end of the connecting pipe is fixedly connected to the vacuum filtration pump.

Preferably, constitute filtration between filter membrane support and the filtration membrane and inlay on filtering the base, and the bottom of filtration is provided with the filtration cavity that is located filtering the base.

Preferably, the filtering base is movably connected with the filtering cover, and a sealing ring is arranged between the filtering base and the collecting bottle sealing cover.

Compared with the prior art, the utility model discloses following profitable technological effect has:

through setting up vacuum filtration pump and sealed filtration piece, and then in taking out the receiving flask with the solution filtration formula in the raw liquid bottle to avoid the use of middle transfer bottle, and then when realizing rejecting the impurity that influences chromatographic column life and system detection precision in the solvent, the sealed problem of guarantee solvent, the overall process is sealed, guarantees the safety of operating personnel and laboratory, avoids the solvent to volatilize. And the independent arrangement of the vacuum channel and the filtering channel in the sealed filtering piece protects the instrument liquid path from being blocked, and meanwhile, the vacuum filter has a certain degassing function and can eliminate the interference of bubbles on a detection system.

Drawings

Fig. 1 is a schematic front sectional view of an embodiment of the present invention;

fig. 2 is a side view of the structure of fig. 1.

Reference numerals: 1. a stock solution bottle; 2. a collection bottle; 3. a vacuum suction filtration pump; 4. sealing the filter member; 41. a filter base; 42. a collection bottle sealing cover; 43. supporting a filter membrane; 44. a filtration membrane; 45. a filter cover; 46. a pipe joint; 47. a vacuum joint; 48. a vacuum channel; 49. a filtration channel; 5. a transfusion tube; 6. and (4) connecting the pipes.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-2, the utility model provides a high-efficient mobile phase seals filter equipment, including raw material bottle 1, receiving flask 2, vacuum suction pump 3 and sealed filter 4, sealed filter 4 is including filtering base 41, the bottom swing joint that filters base 41 has the sealed lid 42 of receiving flask, the inside of the sealed lid 42 of receiving flask is offered the gaseous vacuum channel 48 of circulation and the filtration passageway 49 of circulation solution, and the top of filtering base 41 is equipped with filters lid 45, pipe joint 46 is installed on the top of filtering lid 45, it holds in the palm 43 and filtration membrane 44 to be provided with the filter membrane between filtering base 41 and the filtration lid 45, threaded connection has vacuum joint 47 on the lateral wall of filtering base 41, vacuum joint 47 connects and extends into in vacuum channel 48 in the one end of filtering base 41.

In this embodiment, the filtering base 41 is connected to the sealing cap 42 of the collecting bottle by a screw structure or a reverse connection structure.

In this embodiment, the vacuum channel 48 and the filtering channel 49 are independent from each other and do not interfere with each other, so that the solution is prevented from entering the vacuum pump during the vacuum pumping process and being damaged.

In this embodiment, the filter cover 45 and the pipe joint 46 may be a quick-insertion type combined structure, or may be a threaded connection or an integrated processing structure.

In this embodiment, the whole material of the sealing filter piece 4 is corrosion-resistant material, is difficult for breaking, and is durable.

In this embodiment, contain negative pressure table and negative pressure governing valve on the vacuum filtration pump 3, conveniently observe vacuum in the suction filtration, the user can adjust vacuum and processing speed according to the actual conditions in the suction filtration simultaneously, makes and uses more convenient.

An efficient mobile phase sealed filter device based on the first embodiment works on the principle that the sealed filter element 4 is assembled on the collecting bottle 2 through the collecting bottle sealing cover 42 in the sealed filter element 4. When the filtering membrane 44 needs to be replaced, the filtering cover 45 is opened, the filtering membrane 44 on the filtering membrane holder 43 is replaced, and after the replacement is completed, the filtering cover 45 is connected to the filtering base 41 again, so that the complete sealed filtering piece 4 is formed. When filtering solution, adjust the inside atmospheric pressure of receiving flask 2 through vacuum pump 3, and then make the solution in the stoste bottle 1 enter into receiving flask 2 through the filtration of sealed filter piece 4 to the realization shifts the filtration of solution.

Example two

As shown in fig. 2, the utility model provides a high-efficient mobile phase seals filter equipment compares in embodiment one, and this embodiment still includes: an infusion tube 5 is connected between the raw liquid bottle 1 and the collecting bottle 2, one end of the infusion tube 5 is inserted into the pipeline joint 46, the other end of the infusion tube 5 extends into the raw liquid bottle 1, a connecting tube 6 is connected between the collecting bottle 2 and the vacuum filtration pump 3, one end of the connecting tube 6 is inserted into the vacuum joint 47, and the other end of the connecting tube 6 is fixedly connected to the vacuum filtration pump 3.

In this embodiment, during the filtering and transferring process of the solution, the vacuum-pumping pump 3 adjusts the air pressure in the collection bottle 2 and connects the connection tube 6, and the solution in the raw liquid bottle 1 enters the sealed filtering piece 4 through the infusion tube 5.

EXAMPLE III

As shown in fig. 1, the utility model provides a high-efficient mobile phase seals filter equipment compares in embodiment one or embodiment two, and this embodiment still includes: constitute filtration between filter membrane support 43 and the filtration membrane 44 to inlay on filtering base 41, and the bottom of filtration is provided with the filtration cavity that is located on filtering base 41, filters swing joint between base 41 and the filtration lid 45, is provided with the sealing washer between filtration base 41 and the sealed lid 42 of receiving flask.

In this embodiment, the sealing ring between the filtering base 41 and the sealing cover 42 of the collecting bottle is an O-ring seal or an anaerobic adhesive or other forms of seal.

In this embodiment, the filter holder 43 is made of a sand core or a teflon core.

In this embodiment, the filtering membrane 44 can be used together with the filtering membranes 44 of different materials and different apertures in the using process, so as to meet the requirements of different experiments.

In this embodiment, the mode that the filtration adopted to place is placed in filtering the cavity, and then can realize the dismantlement clearance to filtration after filtering lid 45 and opening.

In this embodiment, the filtering membrane 44 is also placed on the filtering membrane support 43 between the filtering membrane support 43 and the filtering membrane 44 in the filtering structure, so that the filtering membrane support is convenient to disassemble and clean.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. The utility model provides a high-efficient mobile phase seals filter equipment, includes former liquid bottle (1), receiving flask (2), vacuum suction filtration pump (3) and sealed filter piece (4), its characterized in that: sealed filter piece (4) are including filtering base (41), and the bottom swing joint that filters base (41) has sealed lid (42) of receiving flask, and the inside of sealed lid (42) of receiving flask sets up circulation gas's vacuum channel (48) and circulation solution's filtration passageway (49), and the top of filtering base (41) is equipped with filters lid (45), and pipe joint (46) are installed on the top of filtering lid (45), it holds in the palm (43) and filtration membrane (44) to be provided with the filtration membrane between base (41) and filtration lid (45), threaded connection has vacuum joint (47) on the lateral wall of filtering base (41), and vacuum joint (47) are connected in the one end of filtering base (41) extends into vacuum channel (48).

2. A high efficiency mobile phase seal filtration unit as defined in claim 1, wherein: an infusion tube (5) is connected between the stock solution bottle (1) and the collecting bottle (2).

3. A high efficiency mobile phase seal filtration unit as defined in claim 2, wherein: one end of the infusion tube (5) is inserted on the pipeline joint (46), and the other end of the infusion tube (5) extends into the interior of the raw liquid bottle (1).

4. A high efficiency mobile phase seal filtration unit as defined in claim 2, wherein: the vacuum filtration device is characterized in that a connecting pipe (6) is connected between the collecting bottle (2) and the vacuum filtration pump (3), one end of the connecting pipe (6) is inserted into the vacuum joint (47), and the other end of the connecting pipe (6) is fixedly connected onto the vacuum filtration pump (3).

5. A high efficiency mobile phase seal filtration unit as defined in claim 1, wherein: and a filtering structure is formed between the filtering membrane support (43) and the filtering membrane (44) and is embedded on the filtering base (41), and the bottom of the filtering structure is provided with a filtering cavity positioned on the filtering base (41).

6. A high efficiency mobile phase seal filtration unit as defined in claim 1, wherein: the filter base (41) is movably connected with the filter cover (45), and a sealing ring is arranged between the filter base (41) and the collection bottle sealing cover (42).