CN215805178U

CN215805178U - Vacuum pump air inlet filter equipment

Info

Publication number: CN215805178U
Application number: CN202122028241.5U
Authority: CN
Inventors: 贾龙娟; 刘薇薇; 胡浩东; 刘铭; 倪锦程; 陈天健
Original assignee: Haolisen Chemical Technology Jiangsu Co ltd
Current assignee: Haolisen Chemical Technology Jiangsu Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-02-11
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a vacuum pump air inlet filtering device which comprises a pump body, wherein an air inlet is formed in the side wall of one side of the pump body, an air outlet is formed in the side wall of the other side of the pump body, a condensing pipe is arranged in the pump body and close to the air inlet, a condensing inner layer is arranged in the condensing pipe, a first rubber pipe is arranged at the upper outlet end of the condensing pipe, a second rubber pipe is arranged at the lower inlet end of the condensing pipe, and an ice water bath cavity is formed in the outer side of the condensing pipe; this vacuum pump air inlet filter equipment is through setting up condenser pipe, condensation inlayer, first rubber tube and second rubber tube, can reach and utilize the position difference that advances to go up and go out under the intermediate layer between condenser pipe and the condensation inlayer to and the difference in temperature of condenser pipe inner wall and exterior wall, make final low boiling point solvent collect in condenser pipe clamp in situ, solvent in the accessible regularly clears up the condenser pipe, in order to avoid low boiling point solvent to cause the influence to the pump oil.

Description

Vacuum pump air inlet filter equipment

Technical Field

The utility model relates to the technical field of chemical industry, in particular to a vacuum pump air inlet filtering device.

Background

The device is matched with a rotary evaporator and a vacuum pump commonly used for removing low-boiling-point solvent components from laboratory liquid materials, when a small amount of desolventizing experiments are carried out in a laboratory, the low-boiling-point solvent in a pre-desolventizing liquid material is easy to suck into a vacuum pump body under negative pressure, the quality of pump oil is reduced, blades in the pump body are corroded, the service life of the vacuum pump is prolonged, the desolventizing efficiency of the vacuum pump is improved, and the conventional improvement method is to replace the pump oil periodically.

The prior art has the following defects or problems:

when a small amount of desolventizing experiments are carried out in the existing experiments, the service lives of the pump oil and the blades are short due to the invasion of a low-boiling-point solvent, the operation of replacing the pump oil is troublesome, the experiment cost is increased, and inconvenience is brought to users.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vacuum pump air inlet filtering device aiming at the defects in the prior art so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a vacuum pump air inlet filter equipment, includes the pump body, pump body one side lateral wall is provided with the air inlet, pump body opposite side lateral wall is provided with the gas vent, be close to air inlet department in the pump body and be provided with the condenser pipe, the condenser pipe is inside to be provided with the condensation inlayer, the exit end is provided with first rubber tube on the condenser pipe, entrance point is provided with the second rubber tube under the condenser pipe, the condenser pipe outside is provided with frozen water bath chamber.

As a preferred technical scheme of the utility model, the condensation pipe is made of a conventional 24# ground material and is movably arranged in the ice water bath cavity.

As a preferable technical scheme of the utility model, an interlayer is formed between the condensation inner layer and the inner wall of the condensation pipe, and the interlayer is respectively communicated with the first rubber pipe and the second rubber pipe.

As a preferred technical scheme of the utility model, two ends of the first rubber pipe are respectively and fixedly connected with the air inlet and the upper outlet end of the condensation pipe, and the condensation pipe is communicated with the air inlet through the first rubber pipe.

As a preferable technical scheme of the utility model, two ends of the second rubber tube are respectively and fixedly connected with the rotary evaporator and the lower inlet end of the condensation tube, and the condensation tube is communicated with the rotary evaporator through the second rubber tube.

Compared with the prior art, the utility model provides a vacuum pump air inlet filtering device, which has the following beneficial effects:

this vacuum pump air inlet filter equipment, through setting up the condenser pipe, the condensation inlayer, first rubber tube and second rubber tube, the exit end is through first rubber tube connection air inlet on the condenser pipe, entrance point passes through second rubber tube connection rotary evaporator under the condenser pipe simultaneously, and the condenser pipe after connecting is arranged in frozen water bath chamber, utilize the position difference of going into and going out under the intermediate layer between condenser pipe and the condensation inlayer, and the difference in temperature of condenser pipe inner wall and exterior wall, make final low boiling point solvent collect in the condenser pipe clamp in situ, solvent in the condenser pipe is regularly cleared up to the accessible, in order to avoid low boiling point solvent to cause the influence to the pump oil.

Drawings

FIG. 1 is a schematic cross-sectional view of a pump body according to the present invention;

fig. 2 is a schematic view of the overall structure of the present invention.

In the figure: 1. a pump body; 2. an air inlet; 3. an exhaust port; 4. a condenser tube; 5. condensing the inner layer; 6. a first rubber tube; 7. a second rubber tube; 8. an ice water bath cavity; 9. and (4) interlayer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, in this embodiment: the utility model provides a vacuum pump air inlet filter equipment, which comprises a

pump body

1, 1 side wall of the pump body is provided with

air inlet

2, 1 opposite side wall of the pump body is provided with gas vent 3, it has been provided with condenser pipe 4 to be close to air inlet 2 department in the pump body 1, a low boiling point solvent to 1 air inlet 2 of the pump body filters, condenser pipe 4 inside is provided with condensation inlayer 5, be convenient for form intermediate layer 9 between condenser pipe 4 and the condensation inlayer 5, the exit end is provided with first rubber tube 6 on the condenser pipe 4, condenser pipe 4 lower extreme is provided with second rubber tube 7, the condenser pipe 4 outside is provided with frozen water bath chamber 8, make 4 inner walls of condenser pipe and exterior wall form the temperature difference.

In the embodiment, the condensation pipe 4 is made of a conventional No. 24 ground material, the condensation pipe 4 is movably arranged in the ice water bath cavity 8, and the low-boiling-point solvent is collected in the interlayer 9 of the condensation pipe 4 by utilizing the temperature difference between the inner wall and the outer surface wall of the condensation pipe 4; an interlayer 9 is formed between the condensation inner layer 5 and the inner wall of the condensation pipe 4, and the interlayer 9 is respectively communicated with the first rubber pipe 6 and the second rubber pipe 7, so that the low-boiling-point solvent can conveniently flow into the interlayer 9 to be collected; two ends of a first rubber pipe 6 are respectively fixedly connected with the air inlet 2 and the upper outlet end of a condensation pipe 4, the condensation pipe 4 is communicated with the air inlet 2 through the first rubber pipe 6, and the first rubber pipe 6 is connected with the air inlet 2 of the pump body 1; the two ends of the second rubber tube 7 are fixedly connected with the lower inlet ends of the rotary evaporator and the condenser tube 4 respectively, the condenser tube 4 is communicated with the rotary evaporator through the second rubber tube 7, the second rubber tube 7 is connected with the rotary evaporator, and meanwhile, the interlayer 9 between the condenser tube 4 and the condensation inner layer 5 is utilized to form a position difference of downward inlet and upward outlet.

The working principle and the using process of the utility model are as follows: the user connects condenser pipe 4 exit end and air inlet 2 on first rubber tube 6 both ends at first, then utilize second rubber tube 7 to connect entrance point and rotary evaporator under condenser pipe 4, place condenser pipe 4 after connecting in frozen water bath chamber 8 again, utilize the position difference of advancing and going out under the intermediate layer 9 between condenser pipe 4 and the condensation inlayer 5, and the difference in temperature of condenser pipe 4 inner wall and exterior surface wall, make final low boiling point solvent collect in condenser pipe 4 intermediate layer 9, solvent in the condenser pipe 4 is regularly cleared up to the accessible, in order to avoid the low boiling point solvent to cause the influence to the pump oil.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A vacuum pump air inlet filter equipment which characterized in that: including the pump body (1), pump body (1) one side lateral wall is provided with air inlet (2), pump body (1) opposite side lateral wall is provided with gas vent (3), be close to air inlet (2) department in the pump body (1) and be provided with condenser pipe (4), condenser pipe (4) inside is provided with condensation inlayer (5), the exit end is provided with first rubber tube (6) on condenser pipe (4), condenser pipe (4) lower extreme is provided with second rubber tube (7), the condenser pipe (4) outside is provided with frozen water bath chamber (8).

2. A vacuum pump intake filtration apparatus as claimed in claim 1, wherein: the condensation pipe (4) is made of a conventional 24# ground material, and the condensation pipe (4) is movably arranged in the ice water bath cavity (8).

3. A vacuum pump intake filtration apparatus as claimed in claim 1, wherein: an interlayer (9) is formed between the inner condensation layer (5) and the inner wall of the condensation pipe (4), and the interlayer (9) is communicated with the first rubber pipe (6) and the second rubber pipe (7) respectively.

4. A vacuum pump intake filtration apparatus as claimed in claim 1, wherein: the two ends of the first rubber tube (6) are fixedly connected with the air inlet (2) and the side wall of the upper outlet end of the condensation tube (4) respectively, and the condensation tube (4) is communicated with the air inlet (2) through the first rubber tube (6).

5. A vacuum pump intake filtration apparatus as claimed in claim 1, wherein: and two ends of the second rubber tube (7) are respectively fixedly connected with the rotary evaporator and the side wall of the lower inlet end of the condensation pipe (4), and the condensation pipe (4) is communicated with the rotary evaporator through the second rubber tube (7).