CN114506921A - A top-valve decanter - Google Patents

Abstract

The invention discloses a top valve type decanter which comprises a top valve component and a sliding rail component, wherein the sliding rail component is arranged in a water tank and extends along the depth direction of the water tank; a float assembly, the top valve assembly being connected to the float assembly; the buoy assembly is connected with the slide rail assembly in a matched manner; a lift pump assembly comprising an associated lift pump body and a connection hose. The application provides a top valve formula decanter adopts flotation pontoon and top valve to realize intaking from the surface of water, effectively prevents to take out impurity, blocks up the condition emergence of bottom valve, pipeline, and the top valve adopts hollow ball as the sealing member, floats in top valve top and closely laminates with the top valve water inlet, prevents that the hose normal water refluence from causing not to take out the water supply. Meanwhile, the slide rail is adopted for fixing, so that the floating barrel device is effectively prevented from being stressed and swinging in the operation process of the pump, and the slide rail is fixed at the lowest position of the water tank, so that the cleaning of the bottom of the water tank is facilitated. Is worthy of large-area popularization and application.

Description

A top-valve decanter

technical field

The invention relates to the technical field of sewage sludge treatment equipment, in particular to a top-valve type decanter that feeds water from close to the water surface.

Background technique

The SBR method adopts batch reaction, and water inflow, reaction, precipitation and drainage are completed in the same tank, and there is no need for secondary sedimentation tank and sludge return equipment. The decanter is turned on in the re-draining stage and gradually descends to discharge the supernatant without reducing the concentration of activated sludge. Decanter is the main equipment in SBR sewage treatment process. At present, SBR sewage treatment process is widely used. It has the advantages of small footprint, low investment in plant construction, low operating cost, and small on-site management space.

There are many types of decanters in the prior art, for example, a pontoon-type decanter, a rotary-type decanter, and the like. However, the decanters in the prior art all rely on self-flowing water, so the water outlet is required to be lower than the liquid level in the pool, which is not suitable for sinking pools.

In addition, there are many impurities in the collection tank and adjustment tank of the sewage plant station. During the upward pumping process of the lift pump, it is easy to pump up impurities, and the bottom valve and pipeline are blocked from time to time, and even the pump is blocked and the pump is burned.

SUMMARY OF THE INVENTION

The invention provides a top-valve type water decanter. The top valve assembly is located at the top of the water surface, which greatly reduces the blockage of the bottom valve, pipeline and lift pump. The buoy is fixed on the slide rail to prevent the top valve type decanter from being damaged and reduce the disturbance of the buoy in the pool, so as to achieve a high level of decanting. effect.

The present invention provides following scheme:

A top-valve decanter, comprising:

A top valve assembly, the top valve assembly includes a valve body and a hollow sphere; the interior of the valve body is hollow, one end of the valve body forms the water inlet, and the other end of the valve body forms a water outlet; the hollow The sphere is located inside the valve body, and the diameter of the hollow sphere is larger than the inner diameter of the water inlet;

a slide rail assembly, the slide rail assembly is arranged in the pool and extends along the depth direction of the pool;

a buoy assembly, the top valve assembly is connected with the buoy assembly; the buoy assembly is connected with the slide rail assembly;

a lift pump assembly, the lift pump assembly comprising a connected lift pump body and a connecting hose;

Wherein, the water inlet of the top valve assembly faces upwards and is located below the water surface; one end of the connecting hose is connected to the lower end of the top valve assembly.

Preferably, the slide rail assembly includes two slide rails, and one end of each of the two slide rails is located at the lowest position of the pool.

Preferably, the connecting hose is connected to the water outlet, and the water outlet is provided with a partition screen protruding toward the water inlet.

Preferably: a filter screen is provided at the water inlet.

Preferably, the float assembly includes two floats, and the two floats are connected by a connecting rod; the valve body is located between the two floats and is connected with the connecting rod.

Preferably: the water inlet faces upwards and is located 18-22 cm below the water surface.

Preferably: the main body of the lift pump is located on the top of the pool.

Preferably: the pool is a submerged pool.

Preferably, the water inlet is provided with an arc-shaped grid net of the same size as the hollow sphere.

According to the specific embodiments provided by the present invention, the present invention discloses the following technical effects:

Through the present invention, a top-valve type decanter can be realized. In one implementation, the decanter can include a top-valve assembly, and the top-valve assembly includes a valve body and a hollow sphere; the inside of the valve body Hollow, one end of the valve body forms the water inlet, and the other end of the valve body forms the water outlet; the hollow sphere is located inside the valve body, and the diameter of the hollow sphere is larger than the inner diameter of the water inlet , the water inlet of the top valve is made into an arc-shaped grille with the same size as the hollow sphere; the slide rail assembly is arranged in the pool and extends along the depth direction of the pool; the buoy assembly, the top valve The assembly is connected with the float assembly; the float assembly is connected with the slide rail assembly; a lift pump assembly includes a connected lift pump main body and a connecting hose; wherein, the inlet of the top valve assembly The water outlet faces upward and is located below the water surface; one end of the connecting hose is connected with the lower end of the top valve assembly. The top-valve decanter provided by this application adopts a buoy and a top valve to realize water inflow from the water surface, which can effectively prevent impurities from being pumped and block the bottom valve and pipeline. The top valve uses a hollow ball as a seal, floating on the top The top of the valve is tightly fitted with the water inlet of the top valve to prevent the backflow of water in the hose, resulting in the inability to pump water. At the same time, the slide rail is used for fixing, which can effectively prevent the buoy device from swinging under force during the operation of the pump, and the slide rail is fixed at the lowest part of the pool, which is convenient for cleaning the bottom of the pool. It is worthy of widespread use.

Of course, it is not necessary for any product embodying the present invention to achieve all of the advantages described above simultaneously.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some of the present invention. In the embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is the structural representation of a kind of top valve type water decanter provided by the embodiment of the present invention;

FIG. 2 is an enlarged schematic diagram of part A according to an embodiment of the present invention.

In the figure: slide rail assembly 1, buoy assembly 2, buoy 21, connecting rod 22, top valve assembly 3, valve body 31, hollow sphere 32, partition screen 33, filter screen 34, grid net 35, lift pump main body 4, Connect the hose 5 and the pool 6.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art fall within the protection scope of the present invention.

Example

Referring to FIG. 1 and FIG. 2 , a top-valve decanter provided in an embodiment of the present invention, as shown in FIG. 1 and FIG. 2 , the device may include:

The top valve assembly 3, the top valve assembly 3 is connected with the buoy assembly 2;

A slide rail assembly 1, the slide rail assembly 1 is disposed in the pool 6 and extends along the depth direction of the pool 6;

The buoy assembly 2, the buoy assembly 2 is matched and connected with the slide rail assembly 1;

A lift pump assembly, the lift pump assembly includes a connected lift pump body 4 and a connecting hose 5;

Wherein, the water inlet of the top valve assembly 3 faces upwards and is located below the water surface; one end of the connecting hose 5 is connected to the lower end of the top valve assembly 3 .

The top-valve decanter provided by the embodiment of the present application adopts a buoy assembly to form a supporting device, lifts the top-valve assembly to a position close to the water surface, and arranges the water inlet of the top-valve assembly upward. This arrangement can It ensures that the main body of the lift pump absorbs water smoothly, and at the same time, it can prevent the impurities at the bottom of the pool from being sucked in, causing the valve body and the pipeline to be blocked. The buoy assembly can move up and down along the rail assembly with the change of the water surface. In addition, the slide rail assembly can also prevent the hose from swinging in the pool during the working process of the lift pump body, which may cause the risk of damage.

It can be understood that, the slide rail assembly provided in the embodiment of the present application can be used to limit the top valve assembly to always move along the extension direction of the slide rail, and will not swing randomly. In practical applications, the slide rail assembly may take various forms. For example, in an implementation manner, the embodiment of the present application may provide that the slide rail assembly 1 includes two slide rails, each of which has two slide rails. Both ends are located at the lowest position of the pool. Two slide rails can be set up, and one end of the slide rail is fixed at the bottom of the pool, in order to drain the water in the pool as much as possible, therefore, in the embodiment of the present application, the slide rail can be installed at the lowest position of the pool, so that It can ensure that the top valve assembly can sink to the lowest point of the pool, so that the main body of the lift pump can drain the water in the pool as much as possible.

In practical applications, the embodiments of the present application may provide that the top valve assembly 3 includes a valve body 31 and a hollow sphere 32; the interior of the valve body 31 is hollow, and one end of the valve body 31 forms the water inlet, the The other end of the valve body 31 forms a water outlet; the hollow sphere 32 is located inside the valve body 31 , and the diameter of the hollow sphere 32 is larger than the inner diameter of the water inlet. The hollow sphere is placed in the valve body in a free state. When the main body of the water pump is not working, the hollow sphere can move upward under the action of buoyancy to block the water inlet and prevent the water in the connecting hose from flowing backwards. When the main body of the water pump is working, the hollow sphere can move downward under the action of the suction of the pump to open the water inlet. At this time, it is necessary to ensure that the hollow sphere will not block the inlet of the connecting hose.

In order to prevent the hollow sphere from blocking the inlet of the connecting hose under the action of the negative pressure of the main body of the water pump, the embodiment of the present application may provide that the connecting hose is connected to the water outlet, and the water outlet is provided with a convex toward the water inlet. Separator 33. The raised screen is provided with water flow holes, which will not affect the passage of water, and at the same time can effectively prevent the hollow sphere from blocking the inlet of the connecting hose.

In order to further prevent dirt from entering the top valve assembly, the embodiment of the present application may provide that a filter screen 34 is provided at the water inlet. Further, the water inlet is provided with an arc-shaped grid 35 of the same size as the hollow sphere. The water inlet of the top valve can also be made into an arc-shaped grille mesh with the same size as the hollow sphere, which is convenient for sealing and enables the mesh mesh to filter impurities.

The buoy assembly provided in the embodiment of the present application can constitute a supporting mechanism to realize the supporting of the ejector valve assembly. The buoy assembly may take various forms. For example, in an implementation manner, the embodiment of the present application may provide that the buoy assembly 2 includes two buoys 21, and the two buoys 21 are connected by a connecting rod 22; the valve The body 31 is located between the two pontoons 21 and is connected to the connecting rod 22 . The design of two buoys can ensure that the buoy assembly runs more smoothly when it moves up and down with the change of the water surface.

It can be understood that, the water inlet of the top valve assembly provided in the embodiment of the present application is arranged upward, which can effectively prevent the dirt deposited at the bottom of the pool from entering the top valve. At the same time, in order to ensure that water can be absorbed smoothly, it is necessary to ensure that the water inlet is always below the water surface. By adjusting the buoyancy of the buoy assembly, the water inlet is always below the water surface. In practical applications, the embodiments of the present application may provide that the water inlet is upward and located 18-22 centimeters below the water surface. More preferably, the water inlet is located 20 cm below the water surface.

The installation position of the lift pump main body provided in the embodiment of the present application can be selected according to on-site construction requirements. For example, the lift pump main body 4 is located on the top of the pool 6 . The main body of the lift pump can be arranged on the top of the pool, which is convenient for use and maintenance, and the length of the connecting hose can meet the requirements of the water depth in the pool to ensure that the water in the pool is drained.

In practical applications, the device is suitable for use in various types of pools, for example, the pool is a submerged pool. Since the installation position of the slide rail assembly provided by the embodiments of the present application is not limited, when the submerged pool is used, the slide rail assembly can be installed at the lowest position of the pool, thereby ensuring that the water in the submerged pool can be pumped Dry.

In practical application, the decanter provided in this application uses two buoys as a supporting device, and fixes the top valve assembly (inverted bottom valve) in the middle of the two buoys (the top of the top valve assembly is about 20cm away from the water surface). The lower end of the component is connected to the lift pump by a hose, and a smooth hollow ball is placed inside the top valve as a water stop device. When the lift pump is not working, the hollow ball floats on the top of the top valve due to the effect of buoyancy and seals with the upper part. The surface is tightly fitted to prevent the backflow of water in the pipe and ensure that the hose in front of the lift pump is always filled with water. When the lift pump is working, the lower end of the ball is in negative pressure, the ball is pushed open by atmospheric pressure, the top valve enters water, and the lift pump realizes pumping.

The slide rail is installed in the pool, and the supporting device is fixed on the slide rail to prevent the hose from swinging under force in the pool during the working process of the lift pump, which may damage the top-valve decanter, and can realize the relative stillness of the water surface to achieve the decanter Function, the slide rail is installed at the lowest part of the pool, so that the pool can be drained as much as possible when the pool is cleaned.

This decanter is different from the conventional decanter, it can be applied to the sinking pool, the conventional decanter drains by gravity, the drain must be lower than the water outlet, not suitable for the sinking pool, only suitable for setting on the ground The pool above is used. In addition, the water inlet method is different from the water inlet valve of ordinary centrifugal pump from the bottom of the water. The decanter adopts a buoy and a top valve to enter water from the water surface, which can effectively prevent impurities from being pumped and block the bottom valve and pipeline. The top valve adopts The hollow ball is used as a seal, which floats on the top of the top valve and closely fits with the water inlet of the top valve to prevent the backflow of water in the hose, resulting in the inability to pump water. The decanter is fixed by the slide rail, which can effectively prevent the buoy device from swinging under force during the operation of the pump. The slide rail is fixed at the lowest part of the pool, which is convenient for cleaning the bottom of the pool. Since the top valve is at the top of the water surface, the blockage of the bottom valve, pipeline and lift pump can be greatly reduced. The buoy is fixed on the slide rail to prevent the top-valve decanter from being damaged and reduce the disturbance of the buoy in the pool to achieve decanting. effect.

In a word, the top-valve decanter provided by this application adopts a buoy and a top valve to achieve water inflow from the water surface, effectively preventing impurities from being pumped and blocking the bottom valve and pipeline. The top of the top valve is tightly fitted with the water inlet of the top valve to prevent the backflow of water in the hose, resulting in the inability to pump water. At the same time, the slide rail is used for fixing, which can effectively prevent the buoy device from swinging under force during the operation of the pump, and the slide rail is fixed at the lowest part of the pool, which is convenient for cleaning the bottom of the pool. It is worthy of widespread use.

It should be noted that, in this document, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims (9)

1. a top-valve type water decanter, is characterized in that, comprises: A top valve assembly, the top valve assembly includes a valve body and a hollow sphere; the interior of the valve body is hollow, one end of the valve body forms a water inlet, and the other end of the valve body forms a water outlet; the hollow sphere is located at Inside the valve body, the diameter of the hollow sphere is larger than the inner diameter of the water inlet; a slide rail assembly, the slide rail assembly is arranged in the pool and extends along the depth direction of the pool; a buoy assembly, the top valve assembly is connected with the buoy assembly; the buoy assembly is connected with the slide rail assembly; a lift pump assembly, the lift pump assembly comprising a connected lift pump body and a connecting hose; Wherein, the water inlet of the top valve assembly faces upwards and is located below the water surface; one end of the connecting hose is connected to the lower end of the top valve assembly. 2 . The top-valve decanter according to claim 1 , wherein the slide rail assembly comprises two slide rails, and one end of each of the two slide rails is located at the lowest position of the pool. 3 . 3 . The top-valve decanter according to claim 1 , wherein the connecting hose is connected to the water outlet, and the water outlet is provided with a partition screen that protrudes toward the water inlet. 4 . 4 . The top-valve type water decanter according to claim 3 , wherein a filter screen is provided at the water inlet. 5 . 5 . The top-valve type decanter according to claim 1 , wherein the float assembly comprises two floats, and the two floats are connected by connecting rods; the valve body is located between the two floats. 6 . and connected to the connecting rod. 6 . The top-valve decanter according to claim 1 , wherein the water inlet faces upward and is located 18-22 cm below the water surface. 7 . 7 . The top-valve decanter according to claim 1 , wherein the main body of the lift pump is located on the top of the pool. 8 . 8 . The top-valve type water decanter according to claim 1 , wherein the pool is a sinking pool. 9 . 9 . The top-valve type water decanter according to claim 1 , wherein the water inlet is provided with an arc-shaped grille having the same size as the hollow sphere. 10 .

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