CN220623694U - Flow stabilizer and sewage treatment system - Google Patents

Abstract

The utility model provides a flow stabilizer and a sewage treatment system, wherein the flow stabilizer comprises a rotational flow limiting valve and an overflow container, the overflow container is provided with an overflow area and a water storage area, the overflow area is communicated with the rotational flow limiting valve to obtain liquid discharged by the rotational flow limiting valve, the liquid in the overflow area can overflow into the water storage area, the side wall of the overflow container is provided with an overflow outlet, and the overflow outlet is communicated with the overflow area to enable the liquid in the overflow area to be discharged from the overflow container through the overflow outlet. The flow stabilizer regulates and controls the liquid flow flowing through the flow stabilizer through the rotational flow limiting valve and the overflow container, so that the liquid flow discharged from the overflow outlet is constant and is not influenced by the liquid level of upstream equipment of the rotational flow limiting valve.

Description

Flow stabilizer and sewage treatment system

Technical Field

The utility model relates to the field of sewage treatment, in particular to a flow stabilizer and a sewage treatment system.

Background

The sewage first needs to pass through the equalizing basin before entering sewage treatment equipment, the water yield and the quality of water of sewage are adjusted through the equalizing basin, then the sewage in the equalizing basin flows to sewage treatment equipment through the water pump in comparatively balanced flow, but because the lift of water pump needs to satisfy the lift that the minimum water level of equalizing basin promoted required, and the flow of water pump risees along with the lift reduces, consequently in the in-process that sewage in the equalizing basin falls to low liquid level from high liquid level, the actual flow of water pump is greater than sewage treatment equipment's demand flow, thereby cause water yield impact load to sewage treatment equipment.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the utility model provides a flow stabilizer, which regulates and controls the liquid flow through the flow stabilizer through a rotational flow limiting valve and an overflow container so that the liquid flow discharged from an overflow outlet is constant and is not influenced by the liquid level of equipment upstream of the rotational flow limiting valve.

The embodiment of the utility model also provides a sewage treatment system.

The current stabilizer of the embodiment of the utility model comprises:

a swirl restrictor valve;

the overflow container, the overflow container has overflow district and water storage district, the overflow district with the whirl flow limiting valve intercommunication is in order to obtain the liquid that the whirl flow limiting valve discharged, the liquid in the overflow district can overflow to in the water storage district, the lateral wall of overflow container is equipped with the overflow export, the overflow export with the overflow district intercommunication, so that the liquid in the overflow district is by the overflow export discharge the overflow container.

According to the flow stabilizing device provided by the embodiment of the utility model, the flowing liquid is initially limited and stabilized through the rotational flow limiting valve, so that the liquid enters the overflow container at a relatively constant flow, the overflow container further limits and stabilizes the flowing liquid, so that the liquid in the overflow area is discharged from the overflow outlet at a relatively high constant flow, and the rest liquid exceeding the limited flow at the overflow outlet in the overflow area enters the water storage area for storage, so that the influence on the constant flow state at the overflow outlet is avoided. At the same time, the flow restriction of the flowing liquid through the cyclone flow restriction valve and the overflow container is not influenced by the liquid level change and fluctuation of upstream equipment.

In some embodiments, the overflow vessel comprises:

the overflow area is formed above the horizontal partition plate, and the water storage area is formed below the horizontal partition plate;

the overflow weir is arranged on the horizontal partition plate, and a water drop hole is formed by encircling the overflow weir, and the water drop hole is communicated with the overflow area and the water storage area;

and the water outlet is communicated with the water storage area.

In some embodiments, the overflow container further has a water inlet region, a scum region and a water distribution region sequentially separated in a horizontal direction, the water inlet region is communicated with the swirl restrictor valve, the top of the scum region is communicated with the top of the water inlet region, the bottom of the scum region is communicated with the bottom of the water distribution region, and the water distribution region is communicated with the overflow region.

In some embodiments, the flow stabilizer further comprises an adjusting member, wherein the adjusting member is stopped at the overflow outlet and can move along the vertical direction relative to the overflow outlet so as to adjust the overflow height of the liquid in the overflow area at the overflow outlet.

In some embodiments, the adjustment member is a triangular weir plate; and/or

The flow stabilizing device further comprises a water collecting container, the water collecting container is connected with the overflow container, the inner cavity of the water collecting container is communicated with the overflow outlet, and the water collecting container is provided with a water outlet.

In some embodiments, the swirl restrictor valve comprises:

the bottom of the valve cylinder is provided with an outlet of the rotational flow limiting valve;

the sealing plate is arranged at the top of the valve cylinder so as to seal the top cylinder opening of the valve cylinder, and is provided with air holes;

the water distribution pipes are arranged on the valve cylinder and extend along the tangential direction of the valve cylinder so as to be used for supplying liquid to the interior of the valve cylinder, and the number of the water distribution pipes is at least two, and the at least two water distribution pipes are distributed at intervals along the circumferential direction of the valve cylinder.

In some embodiments, the water distribution pipe is provided with a valve for adjusting the flow rate of the water distribution pipe and a pressure gauge for displaying the liquid pressure in the water distribution pipe.

In some embodiments, the valve cylinder comprises a cylindrical section and a conical section, the water distribution pipe is arranged on the cylindrical section, one end of the conical section with a larger diameter is connected with the bottom end of the cylindrical section, and the other end of the conical section with a smaller diameter is provided with an outlet of the rotational flow limiting valve;

the sealing plate is provided with an air inlet pipe extending along the vertical direction, and the cavity of the air inlet pipe forms the air hole.

In some embodiments, the swirl restrictor valve further comprises a water inlet pipe, the water inlet pipe is provided with a water inlet, at least part of the water inlet pipe is annular and surrounds the periphery of the valve cylinder, and the water distribution pipe is connected between the water inlet pipe and the valve cylinder.

The sewage treatment system of the embodiment of the utility model comprises:

an adjusting tank;

the flow stabilizer is any one of the flow stabilizers in the embodiment, the rotational flow limiting valve is communicated with the regulating tank to obtain liquid discharged by the regulating tank, the overflow container is provided with a water outlet communicated with the water storage area, and the water outlet is communicated with the regulating tank;

and the sewage treatment equipment is communicated with the overflow outlet so as to obtain liquid discharged from the overflow outlet.

The sewage treatment system provided by the embodiment of the utility model utilizes the current stabilizer provided by the embodiment of the utility model to stabilize the sewage flow between the regulating tank and the sewage treatment equipment, so that the sewage flow entering the sewage treatment equipment is constant and cannot be influenced by the change and fluctuation of the sewage liquid level in the regulating tank, the sewage treatment equipment is prevented from being impacted by the water quantity, meanwhile, the sewage in the water storage area is returned to the regulating tank through the water outlet, the current stabilizing effect of the current stabilizer is prevented from being influenced due to the fact that the sewage capacity in the water storage area exceeds a limit value, and the sewage treatment system can continuously and continuously run for a long time.

Drawings

FIG. 1 is a top view of a current stabilizer according to an embodiment of the utility model;

FIG. 2 is a partial cross-sectional view of the flow stabilizer of FIG. 1;

FIG. 3 is a B-B cross-sectional view of the flow stabilizer of FIG. 1;

FIG. 4 is a C-C cross-sectional view of the flow stabilizer of FIG. 1;

fig. 5 is an enlarged schematic view of a portion D in fig. 1.

Reference numerals:

1. a swirl restrictor valve; 11. a valve cylinder; 111. a cylindrical section; 112. a conical section; 12. a sealing plate; 121. an air inlet pipe; 13. a water distribution pipe; 131. a valve; 132. a pressure gauge; 14. a water inlet pipe; 141. a water inlet; 2. an overflow container; 21. an overflow area; 22. a water storage area; 23. an overflow outlet; 24. a horizontal partition; 25. an overflow weir; 26. a water inlet area; 27. a dross region; 28. a water distribution area; 29. a water outlet; 3. an adjusting member; 4. a water collecting container; 41. and a water outlet.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

A flow stabilizer and a sewage treatment system according to an embodiment of the present utility model are described below with reference to fig. 1 to 5.

As shown in fig. 1 to 5, the flow stabilizer of the embodiment of the present utility model includes a swirl restrictor 1 and an overflow vessel 2.

The overflow container 2 is provided with an overflow area 21 and a water storage area 22, the overflow area 21 is communicated with the rotational flow limiting valve 1 to obtain liquid discharged by the rotational flow limiting valve 1, the liquid in the overflow area 21 can overflow into the water storage area 22, the side wall of the overflow container 2 is provided with an overflow outlet 23, and the overflow outlet 23 is communicated with the overflow area 21 so that the liquid in the overflow area 21 can be discharged from the overflow container 2 through the overflow outlet 23.

Specifically, as shown in fig. 1 to 5, the inside of the overflow container 2 includes a separated overflow area 21 and a water storage area 22, the overflow area 21 is communicated with the swirl restrictor valve 1 for obtaining the liquid discharged by the swirl restrictor valve 1, the side wall of the overflow container 2 is provided with an overflow outlet 23, the overflow outlet 23 is communicated with the overflow area 21, so that the liquid in the overflow area 21 is discharged from the overflow outlet 23 to the overflow container 2 at a constant flow rate, and the rest of the liquid in the overflow area 21 beyond the limited flow rate at the overflow outlet 23 overflows into the water storage area 22. Preferably, the overflow outlet 23 has a triangular weir shape, and since the amount of overflow water from the triangular weir is related to only the water head on the weir, the liquid in the overflow area 21 can be discharged from the overflow outlet 23 at a constant flow rate through the overflow outlet 23.

According to the flow stabilizing device provided by the embodiment of the utility model, the flowing liquid is initially limited and stabilized through the rotational flow limiting valve, so that the liquid enters the overflow container at a relatively constant flow, the overflow container further limits and stabilizes the flowing liquid, so that the liquid in the overflow area is discharged from the overflow outlet at a relatively high constant flow, and the rest liquid exceeding the limited flow at the overflow outlet in the overflow area enters the water storage area for storage, so that the influence on the constant flow state at the overflow outlet is avoided. At the same time, the flow restriction of the flowing liquid through the cyclone flow restriction valve and the overflow container is not influenced by the liquid level change and fluctuation of upstream equipment.

In some embodiments overflow vessel 2 includes horizontal partition 24, overflow weir 25, and drain 29. The overflow area 21 is formed above the horizontal partition 24, and the water storage area 22 is formed below the horizontal partition 24. The overflow weir 25 is arranged on the horizontal partition plate 24, and the overflow weir 25 surrounds to form a water drop hole which is communicated with the overflow area 21 and the water storage area 22. The drain opening 29 communicates with the water storage area 22.

As shown in fig. 1 to 5, the overflow container 2 is preferably an overflow tank with an open top, the left side wall of the overflow container 2 is provided with an overflow outlet 23, the right side wall of the overflow container 2 is provided with a container inlet, and the container inlet is communicated with the cyclone restrictor valve 1 through a pipeline for obtaining liquid discharged by the cyclone restrictor valve 1.

The overflow container 2 is internally provided with a horizontal partition plate 24, the inner cavity of the overflow container 2 is divided into an upper space and a lower space by the horizontal partition plate 24, wherein the upper space forms an overflow area 21, the lower space forms a water storage area 22, the horizontal partition plate 24 is provided with an overflow weir 25 extending upwards, the overflow weir 25 is preferably rectangular and surrounds to form a water drop hole, the water drop hole extends along the up-down direction and penetrates through the horizontal partition plate 24 so as to be communicated with the overflow area 21 and the water storage area 22, and preferably, the overflow weir 25 is a plurality of overflow weirs 25 which are arranged in a rectangular array. The weir upper head height of the triangular weir-shaped overflow outlet 23 is level with the top of the overflow weir 25 so that the remaining liquid in the overflow region 21 beyond the defined flow at the overflow outlet 23 overflows through the overflow weir 25 into the water storage region 22.

The left side wall of the overflow container 2 is further provided with a water outlet 29, and the water outlet 29 is communicated with the water storage area 22 to be used for discharging the liquid in the water storage area 22, so that the situation that the water storage area 22 is full, the liquid in the overflow area 21 cannot overflow into the water storage area 22, and the flow rate at the overflow outlet 23 is affected is avoided.

It will be appreciated that the structure of the overflow vessel is not limited to being an overflow trough, and in other embodiments the overflow vessel is a tank.

It will be appreciated that the overflow and water storage areas are not limited to being separated by a horizontal partition, and in other embodiments, the overflow and water storage areas are separated by a vertically disposed partition, the top edge of which forms an overflow weir to allow liquid in the overflow area to overflow into the water storage area through the top of the partition.

It will be appreciated that the overflow container is not limited to having a drain, and in other embodiments the water storage area has a larger capacity when no drain is provided.

In some embodiments, the overflow container 2 further has a water inlet region 26, a scum region 27 and a water distribution region 28 which are sequentially separated in a horizontal direction, the water inlet region 26 is communicated with the swirl restrictor valve 1, the top of the scum region 27 is communicated with the top of the water inlet region 26, the bottom of the scum region 27 is communicated with the bottom of the water distribution region 28, and the water distribution region 28 is communicated with the overflow region 21.

As shown in fig. 1 and 2, a first partition plate, a second partition plate and a third partition plate are sequentially arranged in the overflow container 2 at intervals along the right-to-left direction, and the first partition plate, the second partition plate and the third partition plate extend along the vertical direction and are connected between the front side wall and the rear side wall of the overflow container 2.

The first partition extends upwards from the bottom surface of the overflow container 2, and has a first channel with the top of the overflow container 2, meanwhile, a water inlet area 26 is formed between the first partition and the right side wall of the overflow container 2, the container inlet is located at the bottom of the right side wall of the overflow container 2 and opposite to the first partition in the left-right direction, and the liquid entering the overflow container 2 from the container inlet first enters the water inlet area 26 and flows upwards under the stop of the first partition.

The second partition plate extends downwards from the top of the overflow container 2 and is provided with a second channel with the bottom surface of the overflow container 2, the bottom of the second partition plate is positioned between the top of the first partition plate and the bottom surface of the overflow container 2, a scum area 27 is formed between the second partition plate and the first partition plate, liquid in the water inlet area 26 overflows into the scum area 27 through the first channel above the first partition plate, then flows downwards in the scum area 27, lighter impurities in the liquid stay on the liquid surfaces of the scum area 27 and the water inlet area 26 under the stop action of the second partition plate, and cannot enter the second channel along with the liquid, meanwhile, the liquid entering the overflow container 2 from the inlet of the container cannot directly enter the second channel due to the stop action of the first partition plate, and the liquid must pass through the water inlet area 26 and the scum area 27 so as to keep the lighter impurities in the liquid in the scum area 27, and a certain filtering effect is achieved on the liquid.

The third baffle extends upwards from the bottom surface of the overflow container 2 and is provided with a third channel with the top of the overflow container 2, the top of the third baffle is positioned between the bottom of the second baffle and the top of the overflow container 2, a water distribution area 28 is formed between the third baffle and the second baffle, a horizontal baffle 24 is connected between the third baffle and the left side wall of the overflow container 2, liquid enters the water distribution area 28 through the second channel and flows upwards in the water distribution area 28, and overflows into the overflow area 21 through the third channel above the third baffle, and preferably, the top of the third baffle is flush with the top of the overflow weir 25.

Preferably, the water distribution area 28, the overflow area 21 and the water storage area 22 have the same size in the front-rear direction and are larger than the size of the water inlet area 26 in the front-rear direction, the size of the scum area 27 in the front-rear direction is increased along the direction from right to left, preferably, the horizontal projection of the scum area 27 is trapezoid, the flow speed and the pressure of the liquid in the water inlet area 26 are reduced when the liquid passes through the scum area 27, and then the liquid enters the water distribution area 28 more gradually, the water distribution area 28 further smoothes the liquid and evenly enters the overflow area 21, on one hand, the liquid level in the overflow area 21 is prevented from shaking to influence the liquid to be discharged from the overflow outlet 23 at a constant flow rate, and on the other hand, the liquid level in the overflow area 21 is prevented from shaking, so that additional liquid enters the water drop holes due to the liquid level sloshing and enters the water storage area 22 to influence the utilization rate of the water storage area 22.

It will be appreciated that the structure of the overflow vessel is not limited to that shown in fig. 1, and in other embodiments, the overflow vessel does not have a water inlet zone, a scum zone, and a water distribution zone, and liquid entering the overflow vessel from the vessel inlet is directly introduced into the overflow zone, or the overflow vessel does not have a water inlet zone and a first baffle, and the vessel inlet is provided in the middle of the right side wall of the overflow vessel and opposite to a second baffle, and stops lighter impurities by the second baffle, and stops liquid from directly entering the water distribution zone.

In some embodiments, the flow stabilizer of the present utility model further includes an adjusting member 3, where the adjusting member 3 is stopped at the overflow outlet 23 and is movable in a vertical direction relative to the overflow outlet 23, so as to adjust the overflow height of the liquid in the overflow area 21 at the overflow outlet 23.

As shown in fig. 1 to 5, an adjusting member 3 is disposed on the left side wall of the overflow container 2, the adjusting member 3 is stopped at the overflow outlet 23 and can move vertically relative to the overflow outlet 23, and under the action of the stopping member 3, the liquid discharged from the overflow outlet 23 needs to overflow and be discharged from the upper part of the adjusting member 3, so that the overflow height of the liquid in the overflow area 21 at the overflow outlet 23 can be adjusted by adjusting the position of the adjusting member 3 in the vertical direction, thereby adjusting the flow rate of the liquid discharged at the overflow outlet 23, and when the adjusting member 3 is at any height position, the water head height on the weir is flush with the top surface of the overflow weir 25, so that the rest of the liquid exceeding the limited flow rate at the overflow outlet 23 in the overflow area 21 overflows into the water storage area 22.

Preferably, the adjusting member 3 is a triangular weir plate. More preferably, the adjusting member 3 is a 90 ° triangular weir plate.

Preferably, the overflow outlet 23 is a rectangular opening, and in the projection plane in the vertical direction, the projection of the horizontal partition 24 is located below the projection of the overflow outlet 23, and the projection of the top surface of the overflow weir 25 is located in the middle of the projection of the overflow outlet 23. Two clamping grooves are formed in the left side wall of the overflow container 2, the clamping grooves extend in the vertical direction, the two clamping grooves are oppositely distributed in the front-rear direction, the front end of the adjusting piece 3 is clamped in the clamping groove on the front side, and the rear end of the adjusting piece 3 is clamped in the clamping groove on the rear side, so that the position of the adjusting piece 3 in the upper-lower direction is limited through the two clamping grooves. When the position of the adjusting piece 3 in the up-down direction needs to be changed, the adjusting piece 3 is manually applied with a pulling force in the vertical direction, so that the adjusting piece 3 moves in the up-down direction in the two clamping grooves, the position of the adjusting piece 3 is changed, and when the pulling force is removed, the position of the adjusting piece 3 is fixed. Meanwhile, the clamping groove also applies rightward pressure to the adjusting piece 3, so that the right end face of the adjusting piece 3 is abutted against the left end face of the overflow container 2, and liquid is prevented from flowing out from between the adjusting piece 3 and the left end face of the overflow container 2.

It will be appreciated that the mounting structure of the adjustment member is not limited to that shown in fig. 5, and in other embodiments, the adjustment member is a shutter embedded in the wall surface of the overflow container and moves in the up-down direction by the drive of, for example, a screw or a telescopic cylinder.

In some embodiments, the flow stabilizer further comprises a water collecting container 4, the water collecting container 4 is connected with the overflow container 2, the inner cavity of the water collecting container 4 is communicated with the overflow outlet 23, and the water collecting container 4 is provided with a water outlet 41.

As shown in fig. 1 and 2, the water collecting container 4 is preferably a water collecting tank with an open top, and the water collecting tank is preferably fixedly connected with the left end face of the overflow container 2, or integrally connected with the water collecting tank, or welded to the water collecting tank, the overflow outlet 23 is communicated with the inner cavity of the water collecting container 4, the liquid discharged from the overflow outlet 23 enters the inner cavity of the water collecting container 4, the water collecting container 4 is provided with a water outlet 41, and the liquid in the water collecting container 4 is discharged through the water outlet 41. The water collecting container 4 functions to receive the liquid discharged from the overflow outlet 23 and can discharge the liquid at the same flow rate at the overflow outlet 23 through the water outlet 41.

It will be appreciated that the flow stabilizer is not limited to having a water collection container, in other embodiments, the flow stabilizer does not have a water collection container, the left end surface of the overflow container is provided with a drain pipe, the pipe wall of the drain pipe is arranged around the overflow outlet and the adjusting member, and the liquid discharged from the overflow outlet directly enters the drain pipe, preferably, the drain pipe is made of a transparent material or is provided with an observation window so as to observe the position of the adjusting member.

In some embodiments, the swirl restrictor valve 1 comprises a valve barrel 11, a sealing plate 12 and a water distribution pipe 13. The bottom of the valve cylinder 11 is provided with an outlet of the rotational flow limiting valve 1. A sealing plate 12 is arranged at the top of the valve cylinder 11 to seal the top cylinder opening of the valve cylinder 11, and the sealing plate 12 is provided with air holes. The water distribution pipes 13 are arranged on the valve cylinder 11 and extend along the tangential direction of the valve cylinder 11 so as to be used for supplying liquid into the valve cylinder 11, and at least two water distribution pipes 13 are arranged at intervals along the circumferential direction of the valve cylinder 11.

As shown in fig. 1 and 2, the valve cylinder 11 is arranged in a vertical direction, a top cylinder opening of the valve cylinder 11 is closed by a sealing plate 12, a bottom cylinder opening of the valve cylinder 11 is provided with a flange to form an outlet of the rotational flow restriction valve 1, and the outlet of the rotational flow restriction valve 1 is communicated with a container inlet of the overflow container 2 through a pipeline. The middle part of the sealing plate 12 is provided with air holes penetrating the sealing plate 12 in the up-down direction so that air can enter the valve cylinder 11 through the air holes, and preferably the air holes are provided in the extending direction of the center line of the valve cylinder 11. The top of the valve cylinder 11 is provided with at least two water distribution pipes 13, preferably eight, and eight water distribution pipes 13 are arranged at intervals along the circumferential direction of the valve cylinder 11, preferably eight water distribution pipes 13 are uniformly arranged along the circumferential direction of the valve cylinder 11, and each water distribution pipe 13 is communicated with the interior of the valve cylinder 11 and extends along the tangential direction of the valve cylinder 11 for supplying liquid to the interior of the valve cylinder 11.

Liquid enters the valve cylinder 11 through the water distribution pipe 13, when the flow rate of the liquid is small, the liquid passes through the valve cylinder 11 in a gravity flow mode, then enters the overflow container 2 through the outlet and the pipeline of the rotational flow limiting valve 1, enters the water collecting container 4 through the overflow outlet 23 at a constant flow rate under the current limiting and steady flow actions of the overflow area 21 and the water storage area 22, and is discharged from the water outlet 41 at a constant flow rate. When the liquid flow of the water distribution pipe 13 is large, air outside the rotational flow limiting valve 1 enters the valve cylinder 11 through the air hole, water flow formed by liquid is blocked to enable the water flow to form axisymmetric rotational flow, high-speed tangential speed is formed in the valve cylinder 11, and meanwhile, an air column is formed in the middle part of the valve cylinder 11, so that the water cross-section area of an outlet of the rotational flow limiting valve 1 is reduced, most of water is blocked, the flow limiting and stabilizing effects on the liquid are achieved, the liquid discharged from the rotational flow limiting valve 1 is further limited and stabilized after entering the overflow container 2, then enters the water collecting container 4 through the overflow outlet 23 at a constant flow, and is discharged from the water outlet 41 at a constant flow.

At least two water distribution pipes 13 are arranged at intervals along the circumferential direction of the valve cylinder 11, so that on one hand, the treatment capacity of the rotational flow limiting valve 1 on liquid can be improved, and on the other hand, the water inlet of the valve cylinder 11 is uniform, and rotational flow is generated conveniently.

It will be appreciated that the swirl restrictor valve is not limited to having at least two water distribution pipes, and in other embodiments, the swirl restrictor valve has only one water distribution pipe.

In some embodiments, the water distribution pipe 13 has a valve 131 and a pressure gauge 132, the valve 131 is used for adjusting the flow rate of the water distribution pipe 13, and the pressure gauge 132 is used for displaying the liquid pressure in the water distribution pipe 13.

As shown in fig. 1, each water distribution pipe 13 is provided with a corresponding valve 131 and a pressure gauge 132, the valve 131 is used for adjusting the flow of the water distribution pipe 13, and the pressure gauge 132 is used for displaying the liquid pressure in the water distribution pipe 13, so that all the water distribution pipes 13 supply liquid into the valve cylinder 11 at the same flow and pressure through the valve 131 and the pressure gauge 132 on each water distribution pipe 13, so that the water inflow of the valve cylinder 11 is uniform, and swirling flow is generated conveniently.

In some embodiments, the swirl restrictor valve 1 further comprises a water inlet pipe 14, the water inlet pipe 14 having a water inlet 141, at least part of the water inlet pipe 14 being annular and surrounding the periphery of the valve cylinder 11, a water distribution pipe 13 being connected between the water inlet pipe 14 and the valve cylinder 11.

As shown in fig. 1 and 2, a portion of the water inlet pipe 14 is provided in a ring shape and surrounds the outer circumference of the valve cartridge 11, and preferably, the ring-shaped portion of the water inlet pipe 14 is provided in a ring shape having a polygonal shape. The water distribution pipe 13 is connected between the annular portion of the water inlet pipe 14 and the valve cylinder 11, and the other portion of the water inlet pipe 14 is a mouthpiece provided on the annular portion to form the water inlet 141. Liquid enters the water inlet pipe 14 from the water inlet 141 and circulates in the annular part, and part of the liquid enters the valve cylinder 11 through the at least two water distribution pipes 13. The water inlet pipe 14 plays a role in facilitating connection of the two water distribution pipes 13 with upstream equipment, and also plays a role in fixing the water distribution pipes 13.

In some embodiments, the valve barrel 11 comprises a cylindrical section 111 and a conical section 112, the water distribution pipe 13 is arranged on the cylindrical section 111, one end of the conical section 112 with a larger diameter is connected with the bottom end of the cylindrical section 111, and the end of the conical section 112 with a smaller diameter is provided with an outlet of the rotational flow limiting valve 1.

As shown in fig. 2, the valve cylinder 11 includes a cylindrical section 111 and a conical section 112, the top opening of the cylindrical section 111 is closed by the sealing plate 12, the bottom end of the cylindrical section 111 is connected to the end with the larger diameter of the conical section 112, the diameter of the conical section 112 decreases in the direction from top to bottom, the end with the smaller diameter of the conical section 112 is provided with the outlet of the swirl flow restriction valve 1, in other words, the bottom end of the conical section 112 is provided with the outlet of the swirl flow restriction valve 1. The water distribution pipe 13 is connected with the cylindrical section 111.

In some embodiments, the sealing plate 12 has an air inlet pipe 121 extending in a vertical direction, and a cavity of the air inlet pipe 121 forms an air hole.

As shown in fig. 1 and 2, the sealing plate 12 includes a plate body and an air inlet pipe 121, the plate body is horizontally arranged and sealed at the top cylinder opening of the cylindrical section 111, and an interface is arranged in the middle of the plate body and is connected with the air inlet pipe 121 to form an air hole, so that the valve cylinder 11 can form an air column conveniently.

As shown in fig. 1 to 5, the sewage treatment system according to the embodiment of the present utility model includes an adjusting tank, a flow stabilizer, and sewage treatment equipment.

The flow stabilizer is the flow stabilizer of the embodiment of the utility model, the rotational flow limiting valve 1 is communicated with the regulating tank to obtain liquid discharged by the regulating tank, the overflow container 2 is provided with a water outlet 29 communicated with the water storage area 22, and the water outlet 29 is communicated with the regulating tank. The sewage treatment apparatus communicates with the overflow outlet 23 to obtain the liquid discharged from the overflow outlet 23.

Specifically, as shown in fig. 1 to 5, the outlet of the regulating tank (not shown) is connected to the water inlet 141 through a pipeline, so as to discharge the sewage discharged from the regulating tank to the flow stabilizer, and sequentially passes through the rotational flow limiting valve 1 and the overflow container 2, so that the sewage is limited and stabilized, and enters the water collecting container 4 through the overflow outlet 23 at a constant flow rate, and is discharged from the water outlet 41 at a constant flow rate, the water outlet 41 is connected to the inlet of the sewage treatment device (not shown) through a pipeline, so that the sewage discharged from the water outlet 41 is supplied to the sewage treatment device for sewage treatment, such as anaerobic reaction, aerobic reaction, etc., and the water outlet 29 of the overflow container 2 is connected to the regulating tank through a pipeline, so that the sewage collected and stored in the water storage area 22 is supplied back to the regulating tank, thereby avoiding that the water storage area 22 is full, and the sewage in the overflow area 21 cannot overflow into the water storage area 22, thereby affecting the flow rate at the overflow outlet 23.

The sewage treatment system provided by the embodiment of the utility model utilizes the current stabilizer provided by the embodiment of the utility model to stabilize the sewage flow between the regulating tank and the sewage treatment equipment, so that the sewage flow entering the sewage treatment equipment is constant and cannot be influenced by the change and fluctuation of the sewage liquid level in the regulating tank, the sewage treatment equipment is prevented from being impacted by the water quantity, meanwhile, the sewage in the water storage area is returned to the regulating tank through the water outlet, the current stabilizing effect of the current stabilizer is prevented from being influenced due to the fact that the sewage capacity in the water storage area exceeds a limit value, and the sewage treatment system can continuously and continuously run for a long time.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between and not for indicating or implying a relative importance or an implicit indication of the number of features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.

Claims (10)

1. A current stabilizer, comprising:

a swirl flow limiting valve (1);

the overflow container (2), overflow container (2) have overflow district (21) and water storage district (22), overflow district (21) with whirl flow limiting valve (1) intercommunication is in order to obtain the liquid of whirl flow limiting valve (1) exhaust, liquid in overflow district (21) can overflow to in water storage district (22), the lateral wall of overflow container (2) is equipped with overflow export (23), overflow export (23) with overflow district (21) intercommunication, so that liquid in overflow district (21) is by overflow export (23) discharge overflow container (2).

2. A flow stabilizer according to claim 1, characterized in that the overflow vessel (2) comprises:

a horizontal partition plate (24), wherein the overflow area (21) is formed above the horizontal partition plate (24), and the water storage area (22) is formed below the horizontal partition plate (24);

the overflow weir (25) is arranged on the horizontal partition plate (24), and the overflow weir (25) surrounds to form a water drop hole which is communicated with the overflow area (21) and the water storage area (22);

-a drain opening (29), said drain opening (29) being in communication with said water storage area (22).

3. The flow stabilizer according to claim 1, characterized in that the overflow container (2) further has a water inlet zone (26), a scum zone (27) and a water distribution zone (28) which are separated in sequence in the horizontal direction, the water inlet zone (26) is communicated with the swirl flow limiting valve (1), the top of the scum zone (27) is communicated with the top of the water inlet zone (26), the bottom of the scum zone (27) is communicated with the bottom of the water distribution zone (28), and the water distribution zone (28) is communicated with the overflow zone (21).

4. The flow stabilizer according to claim 1, characterized in that it further comprises an adjusting element (3), which adjusting element (3) is stopped at the overflow outlet (23) and is movable in a vertical direction with respect to the overflow outlet (23) for adjusting the overflow height of the liquid in the overflow area (21) at the overflow outlet (23).

5. The flow stabilizer according to claim 4, characterized in that the regulating member (3) is a triangular weir plate; and/or

The flow stabilizing device further comprises a water collecting container (4), the water collecting container (4) is connected with the overflow container (2), the inner cavity of the water collecting container (4) is communicated with the overflow outlet (23), and the water collecting container (4) is provided with a water outlet (41).

6. A flow stabilizer according to claim 1, characterized in that the swirl restrictor valve (1) comprises:

the bottom of the valve cylinder (11) is provided with an outlet of the rotational flow limiting valve (1);

the sealing plate (12) is arranged at the top of the valve cylinder (11) so as to seal the top cylinder opening of the valve cylinder (11), and the sealing plate (12) is provided with air holes;

the water distribution pipes (13) are arranged on the valve cylinder (11) and extend tangentially to the valve cylinder (11) so as to be used for supplying liquid to the interior of the valve cylinder (11), and the number of the water distribution pipes (13) is at least two, and the at least two water distribution pipes (13) are distributed at intervals along the circumferential direction of the valve cylinder (11).

7. The flow stabilizer according to claim 6, characterized in that the water distribution pipe (13) is provided with a valve (131) and a pressure gauge (132), the valve (131) is used for adjusting the flow of the water distribution pipe (13), and the pressure gauge (132) is used for displaying the liquid pressure in the water distribution pipe (13).

8. The flow stabilizer according to claim 6, characterized in that the valve cylinder (11) comprises a cylindrical section (111) and a conical section (112), the water distribution pipe (13) is arranged on the cylindrical section (111), one end with a larger diameter of the conical section (112) is connected with the bottom end of the cylindrical section (111), and one end with a smaller diameter of the conical section (112) is provided with an outlet of the rotational flow limiting valve (1);

the sealing plate (12) is provided with an air inlet pipe (121) extending along the vertical direction, and the air holes are formed in the pipe cavity of the air inlet pipe (121).

9. The flow stabilizer according to claim 6, characterized in that the swirl flow limiting valve (1) further comprises a water inlet pipe (14), the water inlet pipe (14) is provided with a water inlet (141), at least part of the water inlet pipe (14) is annular and surrounds the periphery of the valve cylinder (11), and the water distribution pipe (13) is connected between the water inlet pipe (14) and the valve cylinder (11).

10. A sewage treatment system, comprising:

an adjusting tank;

the flow stabilizer is the flow stabilizer according to any one of claims 1-9, the rotational flow limiting valve (1) is communicated with the regulating tank to obtain liquid discharged by the regulating tank, the overflow container (2) is provided with a water outlet (29) communicated with the water storage area (22), and the water outlet (29) is communicated with the regulating tank;

and the sewage treatment equipment is communicated with the overflow outlet (23) so as to obtain liquid discharged by the overflow outlet (23).