Automatic pressure regulating valve for sewage treatment

Abstract

The utility model discloses an automatic pressure regulating valve for sewage treatment. The automatic pressure regulating valve comprises a valve body and a sealing plate, a partition plate is fixed in the valve body and divides an inner cavity of the valve body into a water inlet cavity and a water outlet cavity, the valve body is provided with a water inlet connector communicated with the water inlet cavity, the valve body is provided with a water outlet connector communicated with the water outlet cavity, and two pressure sensors are installed on the valve body. The detection ends of the pressure sensors are respectively positioned in the water inlet cavity and the water outlet cavity; a pressure reducing opening is formed in the partition plate, a sealing plate is arranged in the water outlet cavity of the valve body and right faces the pressure reducing opening, the size of the sealing plate is larger than that of the pressure reducing opening, and a moving structure used for driving the sealing plate to move is installed in the valve body. The automatic pressure regulating valve for sewage treatment has the advantages of being convenient to disassemble, assemble, overhaul and use and high in automation degree.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure regulating valves, in particular to an automatic pressure regulating valve for sewage treatment. Background Art

[0002] At present, the pumps used for wastewater and sewage treatment in the market have short service life due to the unstable water pressure. Most of them are used in conjunction with the sewage pump through a pressure regulating valve to ensure a certain output pressure and reduce the pressure of sewage on the sewage pump. The pressure regulating valve, also known as the pressure reducing valve, is a valve that reduces the inlet pressure to a certain required outlet pressure by adjusting it, and automatically maintains a stable outlet pressure by relying on the energy of the medium itself. The working principle of the pressure reducing valve is that the high-pressure medium is filled into a relatively large cavity through a small hole to achieve pressure reduction, which is actually pressure reduction by interception.

[0003] The pressure regulating valve currently in use has a strong integrity and is difficult to disassemble and clean after being blocked, which affects the sewage treatment effect of the pressure regulating valve and leads to a short service life of the pressure regulating valve. Summary of the invention

[0004] In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by this patent application is how to provide an automatic pressure regulating valve for sewage treatment that is easy to disassemble, repair, use, and has a high degree of automation.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] An automatic pressure regulating valve for sewage treatment, comprising a valve body and a sealing plate;

[0007] A partition is fixed in the valve body, and the partition divides the inner cavity of the valve body into a water inlet cavity and a water outlet cavity. The valve body is provided with a water inlet joint connected to the water inlet cavity, and the valve body is provided with a water outlet joint connected to the water outlet cavity. Two pressure sensors are installed on the valve body, and the detection ends of the pressure sensors are respectively located in the water inlet cavity and the water outlet cavity;

[0008] A pressure reducing port is provided on the partition, a sealing plate is provided in the water outlet cavity of the valve body, the sealing plate is arranged opposite to the pressure reducing port and has a size larger than the pressure reducing port, and a moving structure for driving the sealing plate to move is installed in the valve body.

[0009] In this way, the water inlet joint is connected to the water inlet pipe, the water outlet joint is connected to the water outlet pipe, the water reaches the water inlet chamber, the pressure sensor detects the pressure of the water inlet chamber, the sealing plate is driven to move by the moving structure, and automatic pressure regulation is realized. The water reaches the water outlet chamber through the pressure reducing port on the partition and is discharged from the water outlet pipe. Pressure sensors are provided in both the water inlet chamber and the water outlet chamber to facilitate pressure detection and realize pressure regulation in coordination with the movement of the sealing plate.

[0010] Wherein, the moving structure includes an electric push rod, a cover shell is fixed in the valve body, the electric push rod is fixedly installed in the cover shell, and a telescopic rod of the electric push rod passes through the cover shell and is fixedly connected to the sealing plate.

[0011] The valve body includes a shell and a shell cover, the shell is provided with an opening opposite to the shell cover, a plurality of ears with perforations are fixed opposite to the shell and the shell cover, and bolts pass through the perforations of the ears opposite to the shell and the shell cover and are connected with nuts.

[0012] Wherein, the shell body is concave opposite to the shell cover to form a groove, and a sealing gasket is fixed in the groove.

[0013] Wherein, two arc-shaped water guide plates are fixed in the water inlet cavity of the valve body.

[0014] Wherein, a rubber ring is fixed to the cover shell directly facing the telescopic rod of the electric push rod, and the rubber ring is in contact with the telescopic rod of the electric push rod.

[0015] Wherein, the valve body is provided with an inspection hole in the cover cavity facing the cover shell, and the cover shell is fixed with a cover plate facing the inspection hole.

[0016] In summary, the automatic pressure regulating valve for sewage treatment has the advantages of being easy to disassemble, install and repair, convenient to use and having a high degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of an automatic pressure regulating valve for sewage treatment described in the utility model, in which the rocker arm is in a locked state.

[0018] Figure 2 for Figure 1 Another schematic diagram.

[0019] Figure 3 for Figure 1 Schematic diagram after removing the shell cover.

[0020] Figure 4 for Figure 3 Another schematic diagram. DETAILED DESCRIPTION

[0021] The present invention is further described in detail below in conjunction with the accompanying drawings. In the description of the present invention, it should be understood that the directions or positional relationships indicated by directional words such as "upper, lower" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description. Unless otherwise stated, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present invention; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0022] like Figure 1-3 As shown, an automatic pressure regulating valve for sewage treatment includes a valve body and a sealing plate 1;

[0023] A partition 2 is fixed in the valve body, and the partition divides the inner cavity of the valve body into a water inlet cavity and a water outlet cavity. The valve body is provided with a water inlet joint 3 connected to the water inlet cavity, and the valve body is provided with a water outlet joint 4 connected to the water outlet cavity. Two pressure sensors 5 are installed on the valve body, and the detection ends of the pressure sensors are respectively located in the water inlet cavity and the water outlet cavity.

[0024] A pressure relief port is provided on the partition, a sealing plate 6 is provided in the water outlet cavity of the valve body, the sealing plate is arranged opposite to the pressure relief port and has a size larger than the pressure relief port 10, and a moving structure for driving the sealing plate to move is installed in the valve body.

[0025] In this way, the water inlet joint is connected to the water inlet pipe, the water outlet joint is connected to the water outlet pipe, the water reaches the water inlet chamber, the pressure sensor detects the pressure of the water inlet chamber, the sealing plate is driven to move by the moving structure, and automatic pressure regulation is realized. The water reaches the water outlet chamber through the pressure reducing port on the partition and is discharged from the water outlet pipe. Pressure sensors are provided in both the water inlet chamber and the water outlet chamber to facilitate pressure detection and realize pressure regulation in coordination with the movement of the sealing plate.

[0026] During implementation, the moving structure includes an electric push rod, a cover 7 is fixed in the valve body, the electric push rod is fixedly installed in the cover, and the telescopic rod 8 of the electric push rod passes through the cover and is fixedly connected to the sealing plate. The telescopic rod of the electric push rod drives the sealing plate to move to achieve pressure regulation, and the cover shields the electric push rod.

[0027] During implementation, the valve body includes a shell 11 and a shell cover 12, the shell is provided with an opening opposite to the shell cover, a plurality of ears with perforations are fixed opposite to the shell and the shell cover, and bolts pass through the perforations of the ears opposite to the shell and the shell cover and are connected with nuts, so as to facilitate maintenance and disassembly.

[0028] During implementation, the shell body is concavely opposite to the shell cover to form a groove, and a sealing gasket is fixed in the groove to prevent the pressure relief valve from leaking water from the valve body.

[0029] During implementation, two arc-shaped water guide plates 13 are fixed in the water inlet cavity of the valve body, so as to guide the water entering the water inlet cavity and make the water reach the pressure reducing port better.

[0030] During implementation, the cover is fixed with a rubber ring facing the telescopic rod of the electric push rod, and the rubber ring fits the telescopic rod of the electric push rod, so as to seal the telescopic rod of the electric push rod and prevent water from entering the cover.

[0031] During implementation, the valve body is provided with an inspection hole facing the housing cavity of the housing, and a cover plate 14 is fixed to the housing facing the inspection hole for easy inspection.

[0032] Specifically, it also includes a controller, which is connected to the processor and the control unit, and is connected to the electric push rod and the pressure sensor, so as to realize automatic pressure regulation.

[0033] Finally, it should be noted that those skilled in the art may make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include these modifications and variations.

Claims

1. An automatic pressure regulating valve for sewage treatment, characterized in that: Including valve body and sealing plate; A partition is fixed in the valve body, and the partition divides the inner cavity of the valve body into a water inlet cavity and a water outlet cavity. The valve body is provided with a water inlet joint connected to the water inlet cavity, and the valve body is provided with a water outlet joint connected to the water outlet cavity. Two pressure sensors are installed on the valve body, and the detection ends of the pressure sensors are respectively located in the water inlet cavity and the water outlet cavity; A pressure reducing port is provided on the partition, a sealing plate is provided in the water outlet cavity of the valve body, the sealing plate is arranged opposite to the pressure reducing port and has a size larger than the pressure reducing port, and a moving structure for driving the sealing plate to move is installed in the valve body.

2. The automatic pressure regulating valve for sewage treatment according to claim 1, characterized in that: The moving structure comprises an electric push rod, a cover shell is fixed in the valve body, the electric push rod is fixedly installed in the cover shell, and a telescopic rod of the electric push rod passes through the cover shell and is fixedly connected to the sealing plate.

3. The automatic pressure regulating valve for sewage treatment according to claim 2, characterized in that: The valve body comprises a shell and a shell cover, wherein the shell is provided with an opening opposite to the shell cover, and a plurality of ear seats with perforations are fixed opposite to the shell and the shell cover, and bolts pass through the perforations of the ear seats opposite to the shell and the shell cover and are connected with nuts.

4. The automatic pressure regulating valve for sewage treatment according to claim 3, characterized in that: The shell body is concave opposite to the shell cover to form a groove, and a sealing gasket is fixed in the groove.

5. The automatic pressure regulating valve for sewage treatment according to claim 1, characterized in that: Two arc-shaped water guide plates are fixed in the water inlet cavity of the valve body.

6. The automatic pressure regulating valve for sewage treatment according to claim 2, characterized in that: The cover shell is fixed with a rubber ring facing the telescopic rod of the electric push rod, and the rubber ring is fitted with the telescopic rod of the electric push rod.

7. The automatic pressure regulating valve for sewage treatment according to claim 1, characterized in that: The valve body is provided with an inspection hole facing the cover cavity of the cover shell, and a cover plate is fixed on the cover shell facing the inspection hole.

Images