CN210583990U

CN210583990U - Filtering device

Info

Publication number: CN210583990U
Application number: CN201921314006.0U
Authority: CN
Inventors: 周婧; 王俊芳; 郭峰
Original assignee: Suzhou Jiuzhi New Energy Technology Co ltd
Current assignee: Suzhou Jiuzhi New Energy Technology Co ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-05-22
Anticipated expiration: 2029-08-13

Abstract

The utility model discloses a filtering device, which comprises a valve body, a water inlet arranged at the top of the valve body, a drain arranged at the bottom of the valve body, a water outlet arranged on the side wall of the valve body, a filter screen arranged in the inner cavity of the valve body, a sewage discharging unit, a first sensor and a second sensor; the filter screen comprises a first port communicated with the water inlet and a second port communicated with the sewage outlet, the outer side wall of the first port is abutted against the inner side wall of the water inlet, and a plurality of drain holes communicated with the water outlet are formed in the side wall of the filter screen; the sewage discharge unit comprises a pipeline communicated with the sewage discharge port and an opening and closing device arranged on the pipeline; the valve body is provided with a first interface for installing the first sensor, and the pipeline is provided with a second interface for installing the second sensor. This scheme can improve liquid and pass through the area, reduces the liquid resistance, reduces water pump power.

Description

Filtering device

Technical Field

The utility model relates to a pipeline filter technical field, specific is a filter equipment.

Background

The filter is also called a dirt separator and a filter valve, is widely applied to the fields of metallurgy, chemical industry, petroleum, paper making, medicine, food, mining, electric power and urban water supply, and is an indispensable device for a pipeline system for conveying media. The buffer tank is used for filtering mechanical impurities in a medium, and can filter rust, sand grains, a small amount of solid particles in liquid and the like in sewage to protect fittings on equipment pipelines from being abraded and blocked and protect the normal work of the equipment.

Common filters include Y-filters, basket filters, T-filters. Generally speaking, in order to ensure the top end of the filter screen of the traditional filter to be attached to the inner wall of the filter, a bridge wall is usually arranged on the inner wall of the filter, and the arrangement of the bridge wall can lead to the reduction of the passing sectional area of fluid, so that the fluid resistance is increased, the pressure drop after flowing through the filter is increased, the power of a water pump is increased, and the electric energy is wasted.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the embodiment of the utility model provides a filtering device, it is used for solving at least one in the above-mentioned problem.

The embodiment of the application discloses: a filtering device comprises a valve body with an inner cavity, a water inlet arranged at the top of the valve body, a sewage discharge outlet arranged at the bottom of the valve body, a water outlet arranged on the side wall of the valve body, a filter screen arranged in the inner cavity of the valve body, a sewage discharge unit, a first sensor and a second sensor; the filter screen comprises a first port communicated with the water inlet and a second port communicated with the sewage outlet, the outer side wall of the first port is abutted against the inner side wall of the water inlet, and a plurality of drain holes communicated with the water outlet are formed in the side wall of the filter screen; the sewage discharge unit comprises a pipeline communicated with the sewage discharge port and an opening and closing device arranged on the pipeline; the valve body is provided with a first interface for installing the first sensor, and the pipeline is provided with a second interface for installing the second sensor.

Specifically, the pipeline is made of a perspective material.

Specifically, the opening and closing device is of a manual mechanical type.

Specifically, the opening and closing device is electrically controlled.

Specifically, the filtering device further comprises a control unit, the control unit is respectively connected with the first sensor, the second sensor and the opening and closing device, and the control unit is used for controlling the opening and closing device to be opened or closed according to a difference value between a pressure value detected by the first sensor and a pressure value detected by the second sensor.

Specifically, the filtering precision of the filter screen is 200 holes/cm²。

The utility model has the advantages as follows:

1. the bridge wall can be omitted inside the valve body in a mode that the outer side wall of the first port of the filter screen is abutted to the inner side wall of the water inlet, and the water flow area of the water inlet is increased; in addition, the drain holes on the whole side surface of the filter screen are used for circulating liquid, so that the passing area of the liquid is further increased, the liquid flow resistance is reduced, and the power of the water pump is reduced.

2. The opening and closing device of the pipeline is controlled by the control unit, or the pipeline is made of transparent materials, so that timeliness and reliability of pipeline sewage discharge are guaranteed, the pipeline is prevented from being blocked by impurities, the efficiency of the filtering device is improved, and the power of the water pump is further reduced.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the filtering apparatus according to the embodiment of the present invention.

Reference numerals of the above figures: 1-valve body, 2-water inlet, 3-sewage outlet, 4-water outlet, 5-filter screen, 6-pipeline, 7-first interface and 8-second interface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the filtering apparatus of this embodiment includes a valve body 1 having an inner cavity, a water inlet 2 disposed at the top of the valve body 1, a sewage outlet 3 disposed at the bottom of the valve body 1, a water outlet 4 disposed on the sidewall of the valve body 1, a filter screen 5 disposed in the inner cavity of the valve body 1, a sewage discharging unit, a first sensor (not shown in the figure), and a second sensor (not shown in the figure). Wherein, the filter screen 5 including be used for with the first port of 2 intercommunications of water inlet and be used for with the second port of 3 intercommunications of drain, the lateral wall of first port with the inside wall butt of water inlet 2, that is to say, need not additionally to set up again in the inner chamber of valve body 1 and be used for the installation the bridge wall of filter screen 5, the lateral wall of filter screen 5 is directly laminating the inside wall setting of valve body 1, the cross-sectional area of the first port of filter screen 5 almost with the cross-sectional area of water inlet 2 is equally big to increase water flow area, improve the velocity of water flow. And a plurality of drain holes communicated with the water outlet 4 are formed in the side wall of the filter screen 5. The sewage discharging unit includes a pipe 6 communicating with the sewage discharging port 3 and an opening and closing device (not shown in the drawing) provided on the pipe 6. The valve body 1 is provided with a first connector 7 for installing the first sensor, and the pipeline 6 is provided with a second connector 8 for installing the second sensor. The first sensor is used for detecting the water pressure near the water inlet 2, the second sensor is used for detecting the water pressure in the pipeline 6, when the water pressure values detected by the first sensor and the second sensor are larger than a preset value, the situation that impurities accumulated in the pipeline 6 are too much is shown, and the opening and closing device needs to be opened in time to discharge the sewage, so that the influence on the water outlet efficiency of the filtering device is avoided.

Specifically, pipeline 6 adopts the perspective material to make to the personnel observe the accumulation volume of impurity in the pipeline 6, thereby judge the opportunity of opening switching device and carrying out the blowdown, be favorable to in time the blowdown in order to improve filter equipment's play water efficiency. Further, the transparent material for forming the duct 6 includes transparent materials such as transparent glass and transparent plastic.

Specifically, the opening and closing device may be a manual mechanical type or an electric control type. Further, the filtering device further comprises a control unit (not shown in the figure) to realize the electric control of the opening and closing device. Specifically, the control unit is electrically connected to the first sensor, the second sensor, and the opening/closing device, respectively. The first sensor feeds the detected water pressure value near the water inlet 2 back to the control unit, the second sensor feeds the detected water pressure value in the pipeline 6 back to the control unit, the control unit calculates the difference between the water pressure value near the water inlet 2 and the water pressure value in the pipeline 6, when the difference between the water pressure value and the water pressure value is larger than a preset value, the control unit controls the opening and closing device to be opened for sewage disposal, and after the sewage disposal is finished, the control unit controls the opening and closing device to be closed. By adopting the scheme, the electric control type opening and closing device can realize automatic filtration and improve the working efficiency of the filtering device.

Specifically, as shown in fig. 1, the valve body 1 is substantially a rotator structure, the strainer 5 is substantially cylindrical, a plurality of drainage holes are formed on the entire side surface of the strainer 5, and the axis of the strainer 5 preferably coincides with the axis of the valve body 1. The center of water inlet 2 with the center coincidence of filter screen 5, consequently the center of water inlet 2 with the axis coincidence of valve body 1, the center of delivery port 4 with the axis of valve body 1 is perpendicular. By adopting the scheme, the water flow stroke is favorably shortened, and the water outlet speed is improved. In addition, the filter screen 5 is arranged in the valve body 1 along the axial direction of the valve body 1, so that all the drain holes on the whole side surface of the filter screen 5 can be used for water entering from the water inlet 2 to pass through to enter the inner cavity of the valve body 1, and the flow area of liquid such as water is greatly increased. The central line of drain 3 with the axis of valve body 1 also coincides, just the bottom of valve body 1 is the arc form, is favorable to impurity to be discharged from drain 3.

Specifically, the filtering precision of the filter screen 5 is 200 holes/cm²That is, 200 standard holes are formed in the area of each square centimeter of the filter screen 5, so that fine impurities in the liquid can be effectively filtered.

Compared with the prior art, the filtering device of the embodiment has the following advantages:

1. by means of the mode that the outer side wall of the first port of the filter screen 5 is abutted against the inner side wall of the water inlet 2, a bridge wall can be omitted inside the valve body 1, and the water flow area at the water inlet 2 is increased; in addition, the drain holes on the whole side surface of the filter screen 5 are used for flowing liquid, so that the passing area of the liquid is further increased, the liquid flow resistance is reduced, and the power of the water pump is reduced.

2. Adopt opening and closing of switching device on the control unit control pipeline 6, or adopt the pipeline 6 of transparent material preparation, all be favorable to guaranteeing the promptness and the reliability of blowdown in the pipeline 6, avoid the impurity to cause the jam to pipeline 6, improved filter equipment's efficiency, further reduce water pump power.

The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. A filtering device is characterized by comprising a valve body with an inner cavity, a water inlet arranged at the top of the valve body, a sewage discharge outlet arranged at the bottom of the valve body, a water outlet arranged on the side wall of the valve body, a filter screen arranged in the inner cavity of the valve body, a sewage discharge unit, a first sensor and a second sensor; the filter screen comprises a first port communicated with the water inlet and a second port communicated with the sewage outlet, the outer side wall of the first port is abutted against the inner side wall of the water inlet, and a plurality of drain holes communicated with the water outlet are formed in the side wall of the filter screen; the sewage discharge unit comprises a pipeline communicated with the sewage discharge port and an opening and closing device arranged on the pipeline; the valve body is provided with a first interface for installing the first sensor, and the pipeline is provided with a second interface for installing the second sensor.

2. The filtration device of claim 1, wherein the conduit is made of a see-through material.

3. The filtration device of claim 1, wherein the opening and closing device is of the manual mechanical type.

4. The filtration device of claim 1, wherein the opening and closing device is electrically controlled.

5. The filtering device according to claim 1, further comprising a control unit connected to the first sensor, the second sensor and the opening and closing device, respectively, for controlling the opening and closing device to open or close according to a difference between a pressure value detected by the first sensor and a pressure value detected by the second sensor.

6. The filtration device of claim 1, wherein the screen has a filtration accuracy of 200 holes/cm²。