CN106089658B - A multifunctional vacuum pumping device for a laboratory - Google Patents

Abstract

The invention relates to the technical field of oil extraction engineering, in particular to a multifunctional vacuum pumping device used in a laboratory, which solves the problem of difficulty in draining liquid from containers in the laboratory. Its liquid discharge pump (1) is connected to the primary storage tank (3) by pipeline and electromagnetic three-way valve (5), and the vacuum pump (2) is connected to the primary storage tank (3) by pipeline and electromagnetic three-way valve (5). ), the vacuum pressure gauge (10) is connected with the vacuum pump (2); the primary storage tank (3) and the secondary storage tank (4) are connected by pipelines, and the primary storage tank (3) is equipped with a primary drain valve (8), the control valve (6) and the secondary drain valve (9) are respectively installed on the upper and lower sides of the secondary storage tank (4). (1), vacuum pump (2), primary storage tank (3), secondary storage tank (4) are connected with the mobile base (11). The invention has the advantages of saving time, complete functions, convenient operation, being movable, improving experiment efficiency and the like.

Description

A multifunctional vacuum pumping device for a laboratory

technical field

The invention relates to the technical field of oil recovery engineering, in particular to a multifunctional vacuum pumping device for a laboratory.

Background technique

At present, the function of the vacuum pump used in the laboratory is relatively simple, and it is mainly used for vacuuming. During the process of using the vacuum pump to pump liquid, it is easy to cause water or other liquids to be sucked into the vacuum pump, causing the vacuum pump to malfunction, and the liquid in the storage tank is naturally absorbed by gravity. The drainage speed is slow, the function is limited, and the operation is cumbersome. At the same time, some containers that need to be drained in the laboratory cannot be moved, and the draining is difficult, which affects the efficiency of the experiment.

Contents of the invention

The purpose of the present invention is to effectively solve the difficulty of draining some fixed containers, prevent the failure of the vacuum pump due to the suction of liquid, and has complete functions, convenient operation and a movable multifunctional vacuum device for laboratories.

The technical solution of the present invention is: it consists of a liquid discharge pump, a vacuum pump, a primary storage tank, a secondary storage tank, a three-way solenoid valve, a control valve, a variable buckle joint, a primary liquid discharge valve, a secondary liquid discharge valve, The vacuum pressure gauge and the mobile base are composed; the drain pump is connected to the primary storage tank by the pipeline and the electromagnetic three-way valve, the vacuum pump is connected to the primary storage tank by the pipeline and the electromagnetic three-way valve, and the vacuum pressure gauge is connected to the vacuum pump; The primary storage tank and the secondary storage tank are connected by pipelines. The primary storage tank is equipped with a primary drain valve, and the secondary storage tank is equipped with a control valve and a secondary liquid discharge valve. The pipelines are connected, and the drainage pump, the vacuum pump, the primary storage tank, and the secondary storage tank are connected to the mobile base.

The pipeline in the primary storage tank adopts a U-shaped design.

Compared with the prior art, the present invention has the following beneficial effects:

The invention has the advantages of simple structure, various functions and convenient operation, can integrate the functions of vacuuming and liquid pumping and draining, improves the experimental efficiency, and has certain popularization and application value.

BRIEF DESCRIPTION OF THE DRAWINGS: Fig. 1 is a schematic structural view of the present invention;

Fig. 2 is a schematic diagram of the vacuum pumping function realized by the present invention;

Fig. 3 is a schematic diagram of realizing the pumping function of the present invention;

Fig. 4 is a schematic diagram of realizing the liquid discharge function of the present invention.

In the drawings: 1-drainage pump, 2-vacuum pump, 3-first-level storage tank, 4-secondary storage tank, 5-three-way solenoid valve, 6-control valve, 7-variable buckle joint, 8-one Stage drain valve, 9-secondary drain valve, 10-vacuum pressure gauge, 11-movable base, 12-outlet control valve, 13-core, 14-core holder, 15-inlet control valve, 16-fixed Container, 17-beaker.

Specific embodiments: The present invention will be further described below in conjunction with the accompanying drawings: it consists of a drain pump 1, a vacuum pump 2, a primary storage tank 3, a secondary storage tank 4, a three-way solenoid valve 5, a control valve 6, and a variable buckle joint. 7. The primary liquid discharge valve 8, the secondary liquid discharge valve 9, the vacuum pressure gauge 10 and the mobile base 11; wherein the liquid discharge pump 1 is connected with the primary storage tank 3 by the pipeline and the electromagnetic three-way valve 5, and the vacuum pump 2 The pipeline and electromagnetic three-way valve 5 are connected to the primary storage tank 3, the vacuum pressure gauge 10 is connected to the vacuum pump 2; The drain valve 8, the control valve 6 and the secondary drain valve 9 are respectively installed on the upper and lower sides of the secondary storage tank 4, the variable buckle joint 7 is connected with the secondary storage tank 4 by pipelines, the liquid drainage pump 1, the vacuum pump 2, the primary storage tank The tank 3 and the secondary storage tank 4 are connected with the mobile base 11 .

The pipeline in the primary storage tank 3 adopts a U-shaped design.

When the core is vacuumed in the laboratory, the control valve 6 is opened, the primary drain valve 8 and the secondary drain valve 9 are closed, the variable button joint 7 is connected to the core holder 14 through the pipeline, the outlet control valve 12 is opened, and the inlet control The valve 15 is closed, the vacuum pump 2 with a power of 1kw is opened, the connection between the three-way solenoid valve 5 and the vacuum pump 2 is opened, and the connection with the drainage pump 1 is closed, and the core 13 is vacuumed, and the vacuum pressure gauge 10 displays data. After the vacuum pressure reaches -0.2MPa, the outlet control valve 12 is closed, and the vacuum pump 2 is closed to complete the vacuuming work.

When the pumping function is applied, the control valve 6 is opened, the primary discharge valve 8 and the secondary discharge valve 9 are closed, the variable buckle joint is connected to the pipeline of the corresponding specification, the fixed container 16 is pumped, the vacuum pump 2 is turned on, and the three-way electromagnetic Open the connection between the valve 5 and the vacuum pump 2, close the connection with the drain pump 1, pump the liquid in the fixed container 16 into the secondary storage tank 4, after the liquid is pumped, close the vacuum pump 2, and close the control valve 6, Finish pumping.

When draining, the control valve 6 and the primary drain valve 8 are closed, the secondary drain valve 9 is opened, the drain pump 1 is turned on, the connection between the three-way solenoid valve 5 and the drain pump 1 is opened, and the connection with the vacuum pump 2 is opened. Close, the secondary drain valve 9 discharges the liquid in the secondary storage tank 4 into the beaker 17 through the connecting pipeline, after all the liquid is discharged, the drain pump 1 is closed, the secondary drain valve 9 is closed, and the draining is completed. Afterwards, the waste liquid in the beaker 17 is poured into the waste liquid barrel for the next step of processing.

Claims (2)

1. A multifunctional vacuum pumping device for laboratories, characterized in that it consists of a drain pump (1), a vacuum pump (2), a primary storage tank (3), a secondary storage tank (4), a tee Solenoid valve (5), control valve (6), variable button joint (7), primary drain valve (8), secondary drain valve (9), vacuum pressure gauge (10) and mobile base (11) ; Among them, the liquid discharge pump (1) is connected with the primary storage tank (3) by the pipeline and the electromagnetic three-way valve (5), and the vacuum pump (2) is connected with the primary storage tank (3) by the pipeline and the electromagnetic three-way valve (5). ), the vacuum pressure gauge (10) is connected to the vacuum pump (2); the primary storage tank (3) and the secondary storage tank (4) are connected by pipelines, and the primary storage tank (3) is equipped with a primary drain valve (8), the control valve (6) and the secondary drain valve (9) are respectively installed on the upper and lower sides of the secondary storage tank (4). (1), vacuum pump (2), primary storage tank (3), secondary storage tank (4) are connected with the mobile base (11). 2. A laboratory multifunctional vacuum pumping device according to claim 1, characterized in that the pipeline in the primary storage tank (3) adopts a U-shaped design.