CN209761878U

CN209761878U - Jet vacuum pump for waste liquid device

Info

Publication number: CN209761878U
Application number: CN201921697127.8U
Authority: CN
Inventors: 李珲; 刘炬; 魏成武; 杨校; 伍剑兵
Original assignee: China Energy Saving (panzhihua) Clean Technology Development Co Ltd
Current assignee: China Energy Saving (panzhihua) Clean Technology Development Co Ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2019-12-10
Anticipated expiration: 2029-10-11

Abstract

The utility model relates to a jet vacuum pump that waste liquid device used, including the pump body, vacuum tank, separator. The pump body comprises a circulating pump, a jet pipe and a circulating water pool; the separator comprises a separator, a medium inlet and a medium outlet; the separator is arranged on a vacuum pipeline at the front end of the vacuum tank, when the jet vacuum pump starts to work, volatile waste liquid which is not completely removed by the front-end condensing equipment in the waste liquid device is sucked into the separator in a gaseous state, further condensed in the separator and accumulated in the condenser; the long-tube filter screen is arranged on the interface of the jet pipe and the circulating water tank, so that incrustation scales and bacterial colonies which are bred due to the fact that volatile waste liquid is sucked into the circulating water tank can be effectively filtered out from jet water flow, the long-tube filter screen is taken out from the upper portion of the circulating water tank and used repeatedly after being cleaned, the normal operation of the jet vacuum pump is guaranteed, circulating water pollution caused by the fact that the volatile waste liquid is sucked into the circulating water tank is reduced, and the treatment pressure of circulating water is reduced.

Description

Jet vacuum pump for waste liquid device

Technical Field

The utility model belongs to the technical field of the vacuum pump, especially a jet vacuum pump that waste liquid device used.

Background

In the industrial waste liquid treatment, liquid is often required to be conveyed, and a common method is to use a centrifugal pump and a vacuum system, wherein the centrifugal pump is generally used for conveying the liquid in a closed system, and the vacuum system is often used for liquid transfer between a container and the system.

The jet vacuum pump is a device for obtaining vacuum degree by utilizing fluid to transfer energy and mass, and utilizes centrifugal pump and jet pipe to make the water flow with a certain pressure be jetted out at high speed in the form of symmetrical uniform distribution, and polymerized on a focus, and the pressure energy of the water flow can be converted into speed energy, so that the pressure of air suction zone can be reduced to produce vacuum, and the water flow can be circularly used by means of pipeline system so as to produce continuous vacuum suction force for object device to attain the goal of transferring fluid in object device. Compared with the traditional piston vacuum pump, the jet vacuum pump has simpler device structure and better continuity and maintainability, and is an ideal choice for transferring a large amount of liquid.

When the jet vacuum pump is used as a power source of the vacuum system, the vacuum pipeline is directly connected with the jet circulation system of the jet vacuum pump, and at the moment, if the jet fluid contains other substances, the jet fluid is also introduced into the pipeline system together for circulation. In the case of industrial waste liquid, volatile components contained in the industrial waste liquid are very easily sucked into a vacuum system along with a pipeline under the negative pressure condition. Once entering a common jet vacuum pump taking water as working fluid, the volatile waste liquid can directly corrode each part of the whole circulating system according to the property of the waste liquid, so that the vacuum pump is damaged; in addition, water entering the circulating pool and the circulating pool along with a small amount of waste liquid is used for a long time, so that scale and bacterial colonies are generated, the quality of circulating water is reduced, the blockage of a pipeline assembly is caused, the circulating efficiency is reduced, the working assembly is seriously or even possibly damaged, and the normal work of the jet vacuum pump is influenced.

SUMMERY OF THE UTILITY MODEL

To the prior art problem, the utility model discloses on current jet vacuum pump basis, through the improvement, a jet vacuum pump that is fit for the use of industrial waste liquid device is proposed, the utility model discloses an according to current jet vacuum pump's use principle, utilize separator and dismantlement formula filter screen, get rid of the pollutant of introducing the vacuum pump circulation system by the waste liquid is volatilized comprehensively, avoid because certain waste liquid gets into the corruption that the circulation system produced work module, the quantity of incrustation scale and bacterial colony in the water has been controlled effectively, whole pump body system's normal work has been guaranteed, the treatment pressure of the sewage of the production when having alleviateed the change circulating water simultaneously.

The utility model provides a technical scheme that above-mentioned problem adopted is: the utility model provides a jet vacuum pump that waste liquid device used, includes the pump body, the vacuum tank, the separator, the pump body includes efflux pipe, circulation pond lid, mouth of pipe joint, circulation pond, filter screen, centrifugal pump and drain pipe, the efflux pipe sets up in circulation pond top, circulation pond lid is established in one side of efflux pipe, the mouth of pipe joint is established inside the circulation pond, is connected with the efflux pipe, the filter screen sets up on the mouth of pipe joint, the centrifugal pump is established in one side of circulation pond to pass through the tube coupling with efflux pipe and circulation pond, the drain pipe sets up in circulation pond bottom, the vacuum tank sets up between the pump body and separator, links to each other with it through vacuum line, the separator includes medium export, pipeline export, separator plate, intermediate layer refrigeration, pipeline import, bleeder line, medium import, the refrigeration intermediate layer is established in the separator casing, with medium import with the medium export communicates respectively, the separator plate is arranged on the inner wall of the separator and inclines towards the bottom of the separator, the pipeline inlet and the pipeline outlet are respectively communicated with an internal vacuum pipeline and an external vacuum pipeline of the separator, the liquid discharge pipe is arranged at the bottom of the separator and is communicated with an internal cavity of the separator, when the jet vacuum pump starts to work, volatile components in waste liquid are sucked into the separator along with the vacuum pipeline, are condensed into liquid under the action of a refrigeration medium on the inner wall of the separator, are drained to the bottom of the separator along with the separator plate, and are discharged and collected from the liquid discharge pipe; between the separator and the pump body, the vacuum tank can buffer and prevent suck-back on one hand, and on the other hand, the vacuum tank can further enable volatile waste liquid to be accumulated in the vacuum tank, so that the amount of the waste liquid entering the circulating pool is further reduced; because of volatilizing impurity such as incrustation scale and bacterial colony that a small amount of volatile waste liquid was inhaled into the circulatory pool and produced because of the long-term use of water, can follow the operation of vacuum pump and be washed into in the middle of the filter screen that the mouth of pipe connects the installation in the efflux pipe, make it can't be in centrifugal pump and each mouth of pipe position accumulation in a large number, in the cleanness of vacuum pump behind, the circulating water is followed the drain pipe and is emitted the back, only need dismantle with trading the filter screen and can clear up the impurity that accumulates in the circulation system, the maintenance of the jet vacuum pump of being convenient for, guarantee the.

Preferably, the aperture specification of the filter screen is more than or equal to 60 meshes, and the filter screen is made of an impact-resistant material.

Preferably, the medium inlet is located below the medium outlet, and the pipeline inlet is located below the pipeline outlet.

To sum up, the utility model has the advantages that:

1. by arranging the condensing equipment, the equipment corrosion caused by the absorption of the volatile waste liquid into the circulating system of the pump body is obviously reduced;

2. Through the use to the filter screen, can clear away incrustation scale and the bacterial colony that pump body circulation system produced because of reasons such as a small amount of waste liquid and water long-term use in the work effectively, guarantee the normal operating of equipment, reduced the water treatment pressure that needs face when changing the circulating water.

Drawings

FIG. 1 is a schematic structural view of the present invention;

In the figure, a jet pipe 1, a circulating tank cover 2, a pipe orifice joint 3, a circulating tank 4, a filter screen 5, a centrifugal pump 6, a water discharge pipe 7, a medium outlet 8, a pipeline outlet 9, a separating plate 10, a refrigerating interlayer 11, a pipeline inlet 12, a liquid discharge pipe 13, a medium inlet 14 and a vacuum tank 15 are arranged.

Detailed Description

the present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto. Example (b):

as shown in fig. 1, a jet pipe 1 is arranged above a circulating tank 4, a circulating tank cover 2 is arranged on one side of the jet pipe 1, a pipe orifice joint 3 is arranged inside the circulating tank 4 and connected with the jet pipe 1, a filter screen 5 is arranged on the pipe orifice joint 4, a centrifugal pump 6 is arranged on one side of the circulating tank 4 and connected with the jet pipe 1 and the circulating tank 4 through pipelines, a drain pipe 7 is arranged at the bottom of the circulating tank 4, a vacuum tank 15 is arranged between a pump body and a separator and connected with the pump body through a vacuum pipeline, a refrigerating interlayer 11 is arranged in a separator shell and respectively communicated with a medium inlet 14 and a medium outlet 8, a separating plate 10 is arranged on the inner wall of the separator and inclined towards the bottom of the separator, a pipeline inlet 12 and a pipeline outlet 9 are respectively communicated with the inside and outside vacuum pipelines, and a liquid discharge pipe 13 is arranged at the bottom of the separator and communicated with the inner.

As a further description of this embodiment, the aperture size of the filter screen is 80 meshes, but the present invention is not limited thereto, and in other embodiments, a filter screen with a suitable aperture size may be selected according to actual situations.

As a further explanation of this embodiment, the material of the filter screen is rigid polyvinyl chloride, but the present invention is not limited thereto, and in other embodiments, a filter screen made of a suitable material may be selected according to actual situations.

As a further explanation of this embodiment, when the jet vacuum pump of this embodiment is used, firstly, the external refrigeration device is started, the cooling medium circulates in the refrigeration interlayer 11 through the medium inlet 14 and the medium outlet 8 on the separator, the temperature of the entire separator starts to decrease, when the temperature of the separator decreases to the working temperature, the centrifugal pump 6 is started, an impact water flow is generated in the jet pipe 1 to drive the air pressure at the branch pipe to decrease, a negative pressure starts to be generated in the pipeline, at this time, the volatile waste liquid is sucked into the separator through the pipeline inlet 12, meets the condensation in the separator, slides down to the bottom of the separator along with the separation plate 10, a very small amount of waste liquid continues to be sucked into the vacuum tank 15, and after further aggregation, impurities such as scale colonies and the like generated in the circulation process of a small amount of volatile waste liquid finally entering the pump body are filtered by the.

After the vacuum pump stops working, the circulating tank cover 2 is opened, the filter screen 5 filled with impurities is taken out, the liquid discharge pipe 13 and the drain pipe 7 of the separator and the circulating tank are respectively opened, waste liquid and circulating water are separately collected, and the filter screen impurities, the waste liquid and the circulating water are sent to a waste treatment device for treatment according to corresponding treatment modes.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the embodiments of the present invention are all covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. the utility model provides a efflux vacuum pump that waste liquid device used, includes the pump body, the vacuum tank, the separator, its characterized in that: the pump body comprises a jet pipe (1), a circulating pool cover (2), a pipe orifice joint (3), a circulating pool (4), a filter screen (5), a centrifugal pump (6) and a drain pipe (7), wherein the jet pipe (1) is arranged above the circulating pool (4), the circulating pool cover (2) is arranged on one side of the jet pipe (1), the pipe orifice joint (3) is arranged inside the circulating pool (4) and connected with the jet pipe (1), the filter screen (5) is arranged on the pipe orifice joint (3), the centrifugal pump (6) is arranged on one side of the circulating pool (4) and connected with the jet pipe (1) and the circulating pool (4) through pipelines, and the drain pipe (7) is arranged at the bottom of the circulating pool (4);

The vacuum tank (15) is arranged between the pump body and the separator and is connected with the separator through a vacuum pipeline;

The separator includes medium export (8), pipeline export (9), separator plate (10), refrigeration intermediate layer (11), pipeline import (12), casting pipe (13), medium import (14), refrigeration intermediate layer (11) are established in the separator casing, with medium import (14) with medium export (8) communicate respectively, separator plate (10) are established on the separator inner wall, slope towards the separator bottom, pipeline import (12) with pipeline export (9) communicate the inside and outside vacuum pipeline of separator respectively, casting pipe (13) are established in the separator bottom, communicate with the inside cavity of separator.

2. A jet vacuum pump for use in a waste device as claimed in claim 1, wherein: the working fluid of the jet vacuum pump is water.

3. A jet vacuum pump for use in a waste device as claimed in claim 1, wherein: the aperture specification of the filter screen (5) is more than or equal to 60 meshes, and the material is a hard impact-resistant material.

4. A jet vacuum pump for use in a waste device as claimed in claim 1, wherein: the medium inlet (14) and the medium outlet (8) are respectively connected with an external refrigeration system, and the inside of the external refrigeration system is filled with a refrigeration medium.

5. A jet vacuum pump for use in a waste device as claimed in claim 1, wherein: the medium inlet (14) is located below the medium outlet (8).

6. a jet vacuum pump for use in a waste device as claimed in claim 1, wherein: the pipeline inlet (12) is located below the pipeline outlet (9).