CN220214108U - Vacuum suction filtration column - Google Patents

Abstract

The utility model discloses a vacuum suction filtration column, which relates to the technical field of pharmaceutical devices and comprises a filtration column main body and a reciprocating vacuum pump, wherein the filtration column main body comprises an upper cylinder body, a lower cylinder body and a middle cylinder body, one end of the upper cylinder body, which is opposite to the lower cylinder body, is in threaded connection with the inner wall of the middle cylinder body, the inner wall of the middle cylinder body is fixedly provided with a bearing ring, the upper end surface of the bearing ring is provided with a groove ring, the lower end of the upper cylinder body is fixedly connected with a sealing ring, filter paper is clamped between the sealing ring and the groove ring, and an air inlet pipe and an air outlet pipe of the reciprocating vacuum pump are respectively communicated with the lower cylinder body and the upper cylinder body; when installing filter paper, filter paper is placed on the bearing ring, and after upper cylinder and middle cylinder are installed, the sealing ring is pressed into the groove ring, so that the position of the filter paper is fixed, after the filter column is used, the inner wall of the filter column is cleaned by disassembling the upper cylinder, the lower cylinder and the middle cylinder, and meanwhile, the filter paper is also convenient to replace by an operator.

Description

Vacuum suction filtration column

Technical Field

The utility model relates to the technical field of pharmaceutical devices, in particular to a vacuum filtration column.

Background

The vacuum suction filtration equipment is equipment for realizing solid-liquid separation by taking vacuum negative pressure as a driving force, and can continuously finish the operations of filtration, washing, drying by suction, filter cloth regeneration and the like. The vacuum filtration equipment is used for forming negative pressure at the outlet of filtrate as the driving force of filtration. The filter is divided into batch operation and continuous operation. The intermittently operated vacuum filter can filter suspensions of various concentrations, and the continuously operated vacuum filter is suitable for filtering thick suspensions containing a large amount of solid particles.

The existing vacuum filtration column has the following problems in the use process: 1. the filter paper is positioned in the cylinder, so that an operator can not conveniently replace the filter paper with a new filter paper; 2. the filter column is in an integral communication state, so that the filter column is inconvenient for an operator to clean the inside of the filter column.

Disclosure of Invention

The utility model aims at: in order to solve the technical problems, the utility model provides the vacuum suction filtration column, which can be convenient for replacing filter paper in the suction filtration column and is convenient for an operator to clean the interior of the suction filtration column.

The utility model adopts the following technical scheme for realizing the purposes: the utility model provides a vacuum suction filtration post, includes filtration post main part and reciprocal vacuum pump, the filtration post main part includes upper portion barrel, lower part barrel and middle part barrel, the upper portion barrel all with the relative one end of lower part barrel with the inner wall threaded connection of middle part barrel, the inner wall of middle part barrel is fixed with and accepts the circle, accept the up end of circle and seted up the recess circle, the lower extreme fixedly connected with sealing washer of upper portion barrel, the centre gripping has filter paper between sealing washer and the recess circle, intake pipe and outlet duct are installed respectively to the air inlet and the gas outlet of reciprocal vacuum pump, the outer wall of lower part barrel and upper portion barrel is fixed with first fixed pipe and second fixed pipe respectively, the other end of intake pipe and outlet duct is installed with first fixed pipe and second fixed pipe respectively.

In order to ensure the tightness of the joint between the air inlet pipe and the second fixed pipe at the same time, the vacuum filtration column is preferable, the end head of the air inlet pipe is inserted into the second fixed pipe, and the outer wall of the joint between the air inlet pipe and the second fixed pipe is connected with a connecting cylinder in a threaded manner.

In order to facilitate connection of the air outlet pipe and the first fixed pipe, the vacuum filtration column is preferable, the end head of the air outlet pipe is inserted into the first fixed pipe, a plurality of limit grooves are formed in the inner wall of the first fixed pipe, and a plurality of limit blocks matched with the limit grooves are fixedly connected to the outer wall of the air outlet pipe.

In order to facilitate cleaning of the inside of the upper cylinder, the vacuum filtration column is preferable, the upper end of the outer wall of the upper cylinder is in threaded connection with an upper cover body, and the upper end face of the upper cover body is provided with a liquid inlet.

In order to prevent dust from entering the filter column in the stage of inapplicability of the filter column, the vacuum filter column is preferably provided with the protective plug in the liquid inlet.

In order to facilitate cleaning of the inside of the lower cylinder, the vacuum filtration column is preferable, the lower end of the outer wall of the lower cylinder is in threaded connection with a lower cover body, and the lower end face of the lower cover body is provided with a liquid outlet.

In order to facilitate the introduction of filtrate into the liquid containing bottle, the vacuum filtration column is preferably adopted, and the liquid outlet is detachably connected with the liquid containing bottle through a pipeline.

In order to enable the sealing ring to be located inside the groove ring, the diameter of the inner ring of the sealing ring is preferably larger than that of the inner ring of the groove ring as a vacuum filtration column.

The beneficial effects of the utility model are as follows:

1. when the filter paper is installed, the round filter paper is placed on the receiving ring, after the upper cylinder and the middle cylinder are installed, the sealing ring is pressed into the groove ring, so that the position of the filter paper is fixed, then the lower cylinder and the middle cylinder are installed, the installation is completed, after the filter column is used, the inner wall of the filter column is cleaned by disassembling the upper cylinder, the lower cylinder and the middle cylinder, and meanwhile, the filter paper is convenient to replace by an operator;

2. before the upper cylinder and the lower cylinder are disassembled, the connecting cylinder is screwed to separate the connecting cylinder from the second fixed pipe, then the reciprocating vacuum pump is moved to drive the air inlet pipe to be drawn out from the second fixed pipe, and simultaneously the air outlet pipe is driven to be drawn out from the first fixed pipe, so that the reciprocating vacuum pump and related components are disassembled, and an operator can disassemble the filter column main body and clean the inner wall of the filter column main body.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram at A of FIG. 1;

FIG. 3 is a schematic diagram at B of FIG. 1;

FIG. 4 is a schematic diagram at C of FIG. 1;

FIG. 5 is a schematic view of the structure of the middle cylinder and the filter paper separated;

fig. 6 is a schematic view of the structure of the reciprocating vacuum pump, the air inlet pipe and the air outlet pipe.

Reference numerals: 1. a filter column body; 2. an upper cylinder; 201. a first fixed tube; 2011. a limit groove; 202. a seal ring; 3. a lower cylinder; 301. a second fixed tube; 4. a middle cylinder; 401. a receiving ring; 402. a groove ring; 5. a reciprocating vacuum pump; 501. an air inlet pipe; 5011. a connecting cylinder; 502. an air outlet pipe; 5021. a limiting block; 6. a filter paper; 7. an upper cover; 701. a liquid inlet; 702. a protective plug; 8. a lower cover; 801. a liquid outlet; 9. a liquid bottle.

Detailed Description

The present utility model will now be described in detail with reference to the drawings and the specific embodiments thereof, wherein the illustrative embodiments and descriptions of the utility model are for illustration, but not for limitation.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-6, the present utility model provides the following technical solutions: the utility model provides a vacuum suction filtration post, including straining post main part 1 and reciprocal vacuum pump 5, straining post main part 1 includes upper portion barrel 2, lower part barrel 3 and middle part barrel 4, upper portion barrel 2 and the relative one end of lower part barrel 3 all with the inner wall threaded connection of middle part barrel 4, the inner wall of middle part barrel 4 is fixed with and accepts circle 401, accept the up end of circle 401 and set up fluted circle 402, the lower extreme fixedly connected with sealing washer 202 of upper portion barrel 2, the inner circle diameter of sealing washer 202 is greater than the inner circle diameter of fluted circle 402, the centre gripping has filter paper 6 between sealing washer 202 and the fluted circle 402, intake pipe 501 and outlet duct 502 are installed respectively to the air inlet and the gas outlet of reciprocal vacuum pump 5, the outer wall of lower part barrel 3 and upper portion barrel 2 is fixed with first fixed pipe 201 and second fixed pipe 301 respectively, the other end and first fixed pipe 201 and second fixed pipe 301 of intake pipe 501 and outlet duct 502 are installed respectively.

In this embodiment: when installing filter paper 6, place circular filter paper 6 on accepting circle 401, after installation upper portion barrel 2 and middle part barrel 4, sealing washer 202 is impressed inside recess circle 402, and then with filter paper 6 fixed in position, install lower part barrel 3 and middle part barrel 4 again, pour the solution into upper portion barrel 2, start reciprocating vacuum pump 5 and inhale the air in the lower part barrel 3 to upper portion barrel 2, make solution flow downwards through reciprocating vacuum pump 5's suction, the solution filters through filter paper 6 and leaves the filter residue on filter paper 6 upper surface this moment, after the filter cylinder uses, through dismantling upper portion barrel 2, lower part barrel 3 and middle part barrel 4, and then clear up the filter cylinder inner wall, also make things convenient for operating personnel to change filter paper 6 simultaneously.

As a technical optimization scheme of the utility model, the end of the air inlet pipe 501 is spliced with the second fixed pipe 301, the outer wall of the joint of the air inlet pipe 501 and the second fixed pipe 301 is in threaded connection with the connecting cylinder 5011, the end of the air outlet pipe 502 is spliced with the first fixed pipe 201, the inner wall of the first fixed pipe 201 is provided with a plurality of limit grooves 2011, and the outer wall of the air outlet pipe 502 is fixedly connected with a plurality of limit blocks 5021 matched with the limit grooves 2011.

In this embodiment: the connecting cylinder 5011 is arranged to conveniently connect the air inlet pipe 501 with the second fixed pipe 301, the limiting block 5021 is arranged to be clamped with the limiting groove 2011, the air outlet pipe 502 is further fixed at the position in the first fixed pipe 201, the connecting cylinder 5011 is screwed to be separated from the second fixed pipe 301 before the upper cylinder 2 and the lower cylinder 3 are disassembled, then the reciprocating vacuum pump 5 is moved to drive the air inlet pipe 501 to be pulled out of the second fixed pipe 301, and the air outlet pipe 502 is driven to be pulled out of the first fixed pipe 201, so that the reciprocating vacuum pump 5 and related components are disassembled, and an operator can conveniently disassemble the filter column main body 1 and clean the inner wall of the filter column main body.

As a technical optimization scheme of the utility model, an upper cover body 7 is connected to the upper end of the outer wall of an upper cylinder body 2 in a threaded manner, a liquid inlet 701 is formed in the upper end face of the upper cover body 7, and a protective plug 702 is clamped in the liquid inlet 701.

In this embodiment: after the filter column is used, the upper cylinder 2 can be cleaned by removing the upper cover body 7, and after the cleaning is finished, the filter column is clamped with the liquid inlet 701 through the protective plug 702, so that dust can be prevented from falling into the device during idling.

As a technical optimization scheme of the utility model, the lower end of the outer wall of the lower cylinder body 3 is connected with a lower cover body 8 in a threaded manner, the lower end surface of the lower cover body 8 is provided with a liquid outlet 801, and the liquid outlet 801 is detachably connected with a liquid containing bottle 9 through a pipeline.

In this embodiment: the solution is filtered by the filter paper 6, the filtered filtrate enters the lower cylinder 3 and then enters the liquid containing bottle 9 through the liquid outlet 801, thereby achieving the effect of conveniently collecting the filtrate.

The working principle and the using flow of the utility model are as follows: the solution is poured into the upper cylinder 2, the reciprocating vacuum pump 5 is started to suck the air in the lower cylinder 3 into the upper cylinder 2, the solution flows downwards through the suction force of the reciprocating vacuum pump 5, at the moment, the solution is filtered through the filter paper 6, filter residues are left on the upper surface of the filter paper 6, filtered filtrate enters the lower cylinder 3 and then enters the liquid containing bottle 9 through the liquid outlet 801, and therefore the filtrate is collected.

While the foregoing has been provided by embodiments of the present utility model with particularity, the principles and modes of carrying out the embodiments of the present utility model have been described in detail by reference to specific examples, which are merely intended to assist in understanding the principles of the embodiments of the present utility model, those skilled in the art should not be limited to the details of this utility model, since modifications in light of the principles and modes of carrying out the embodiments of the present utility model may be made by those skilled in the art.

Claims (6)

1. The utility model provides a vacuum suction filtration post, includes filtration post main part (1) and reciprocal vacuum pump (5), its characterized in that: the filter column main body (1) comprises an upper cylinder body (2), a lower cylinder body (3) and a middle cylinder body (4), one ends of the upper cylinder body (2) opposite to the lower cylinder body (3) are in threaded connection with the inner wall of the middle cylinder body (4), a receiving ring (401) is fixed on the inner wall of the middle cylinder body (4), a groove ring (402) is formed in the upper end face of the receiving ring (401), a sealing ring (202) is fixedly connected with the lower end of the upper cylinder body (2), filter paper (6) is clamped between the sealing ring (202) and the groove ring (402), an air inlet pipe (501) and an air outlet pipe (502) are respectively arranged at the air inlet and the air outlet of the reciprocating vacuum pump (5), a first fixed pipe (201) and a second fixed pipe (301) are respectively fixed on the outer walls of the lower cylinder body (3) and the upper cylinder body (2), a connecting cylinder (5011) is connected with the outer wall of the connecting end of the air inlet pipe (501) and the second fixed pipe (301) in a threaded connection mode, a plurality of limit grooves (201) are formed in the inner wall of the first fixed pipe (201), the outer wall of outlet duct (502) fixedly connected with a plurality of stopper (5021) with spacing groove (2011) assorted.

2. A vacuum filtration column according to claim 1, wherein: the upper end of the outer wall of the upper cylinder body (2) is connected with an upper cover body (7) in a threaded mode, and a liquid inlet (701) is formed in the upper end face of the upper cover body (7).

3. A vacuum filtration column according to claim 2, wherein: the inside joint of inlet (701) has protection stopper (702).

4. A vacuum filtration column according to claim 1, wherein: the lower end thread of lower part barrel (3) outer wall is connected with lower part lid (8), the lower terminal surface of lower part lid (8) is provided with liquid outlet (801).

5. A vacuum filtration column according to claim 4, wherein: the liquid outlet (801) is detachably connected with a liquid containing bottle (9) through a pipeline.

6. A vacuum filtration column according to claim 1, wherein: the inner ring diameter of the sealing ring (202) is larger than that of the groove ring (402).