KR101643949B1 - Protection and prevention clogging apparatus for head of water pump - Google Patents

Abstract

The present invention relates to a head protection and clog prevention device for a submersible pump, and more particularly, to a pump head which protects a pump head for taking samples of ground water, river water or seawater through the vacuum pressure of an underwater pump, And more particularly, to a head protection and an anti-clogging device for an underwater pump.
In accordance with the present invention, since the pump head is received in the filter net so as to be able to communicate therewith, foreign matter can be prevented from being inflowed while the head is protected. In particular, since the pump head and the filter net are detachably coupled by the filter net fastener, In addition, since a plurality of filter nets are composed of different diameters, it is possible to attach a filter net corresponding to the inner diameter of the nasal filter.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a head protection device for a submersible pump,

The present invention relates to a head protection and clog prevention device for a submersible pump, and more particularly, to a pump head which protects a pump head for taking samples of ground water, river water or seawater through the vacuum pressure of an underwater pump, And more particularly, to a head protection and an anti-clogging device for an underwater pump.

Generally, in order to investigate the water quality of ground water, river water or seawater, a water pump is put in and the water sample is taken through the pump head and examined.

For example, when the groundwater sample is canceled, the submerged pump is put into the groundwater of the groundwater, and the underwater pump is operated to collect the groundwater through the vacuum pressure of the pump head.

At this time, there are problems such as clay, sludge, sand, and gravel, which are not only ground water but also cause a problem that the pump head is clogged by foreign matter.

If the clogging of the pump head occurs as described above, the user must remove the foreign substance from the pump head by removing the submerged pump from the tank, and then insert the pump into the tank, which is very troublesome.

In addition, there is also a problem that the pump head breaks due to the collision with the inner wall of the vessel during the process of inputting the pump head into the vessel.

Accordingly, there is a demand for a technique capable of preventing clogging of the pump head and protecting the pump head.

As a prior art of the present invention, there is a sand filtration and protection device for a submersible pump proposed in Korean Patent No. 10-0335230.

1, the hoppers 9, 11 and 12, which are formed of a mesh body, are embedded in the absorption pipe 105 constituting the end portion of the underwater pump 100, Thereby preventing inflow.

However, this prior art has a problem in that it is impossible to use existing equipment because it is not applicable to a conventional pump because a member for filtering foreign matters is built in the same body as a pump.

Korean Patent No. 10-0335230

SUMMARY OF THE INVENTION The present invention has been made in order to solve the problems of the prior art as described above, and it is an object of the present invention to provide a pump head which can shield a head of a submersible pump, It is an object of the present invention to provide a head protection and clogging preventing device for a submersible pump which can be applied to an existing submersible pump and can replace the filtration member in accordance with the inner diameter of the foundation.

Another object is to provide a head protection and clogging prevention device for an underwater pump which can buffer the pump head through an elastic force while easily centering the pump head on the filtration member.

It is still another object to provide a head protection and clogging prevention device for an underwater pump which is capable of backwashing a filtration member while removing foreign matter adsorbed on the filtration member by providing a fluid pressure inside the filtration member.

In order to accomplish the above object, the present invention provides a head protection and clogging preventing device for a submersible pump, comprising: a tank for receiving water in the tank through the pneumatic pressure introduced into the tank, or a tank for receiving river water or seawater, A head protection and clogging prevention device for preventing clogging of a head while protecting the head of a pump, comprising: a cylindrical mesh body having one side opened and filtering the foreign substances while receiving the pump head in a communicable manner; A filter network having an inner diameter that is changed according to an inner diameter of the duct; And a filter net fastener detachably fixing the filter net to the pump head.

For example, the filter net fastener includes at least a pair of pressure bolts threaded through the filter net to provide a pressing force by rotation; And a split clamp rotatably coupled to a front end of the pressure bolt in a state of being disposed inside the filter net and clamping the pump head while being closely attached to the outer circumferential surface of the pump head by rotation of the pressure bolt .

Alternatively, the filter net fastener may include: a male screw portion provided along an outer circumferential surface of the pump head; And a female threaded portion provided at an opening of the filter net and screwed into the male threaded portion.

The present invention may further comprise a buffer member provided on the filter net to elastically support the pump head while centering the filter net on the end of the pump head.

For example, the cushioning member may include a coil spring installed at an inner end of the filter net to provide an elastic force while supporting the end of the pump head in a seated state.

In addition, the present invention may further comprise a backwashing member for removing foreign substances from the filter net by supplying a fluid pressure to the inside of the filtering net.

For example, the backwashing member may include a spraying pipe extending along the longitudinal direction of the pump head and disposed inside the filter net, and having a spraying nozzle for spraying a high-pressure fluid; And a fluid supplier for supplying a high pressure gas or liquid to the spray tube.

For example, the fluid feeder may be configured as one of a high-pressure compressor and a high-pressure pump.

The backwashing member may further include an inner tube inserted along the longitudinal direction of the pump head while being spaced apart from the inner circumferential surface of the filter net and having a plurality of communication holes communicating water to the pump head, The spray tube may extend in the form of being wound around the outer circumferential surface of the inner tube.

In addition, the injection tube may have a curved shape with the distal end extending to the end of the filter net.

Further, the present invention may further comprise a shielding film provided at an opening of the filter net and shielding the opening while closely adhering to the outer circumferential surface of the pump head.

Further, the present invention may further comprise a reinforcement pipe inserted along the inner circumferential surface of the filter net to form an identical body with the filter net, and a plurality of communication holes formed to reinforce the filter net to be able to communicate with the filter net.

According to the head protection and clogging prevention device for a submersible pump according to the present invention, the pump head is received in the filter net so as to be able to communicate therewith, so that the head can be protected and the foreign matter can be prevented from being inflowed. Since the conventional submersible pump can be used because the filter network is detachably coupled to the filter network fastener, and a plurality of filter networks are formed with different diameters, the filter network matching the inner diameter of the filter can be attached and used.

In addition, since the cushioning member composed of the coil spring is provided on the filter net and the end portion of the pump head is elastically supported, the pump head can be easily centered while being inserted into the filter net, and the impact applied to the filter net is buffered to protect the pump head.

Further, since the high-pressure fluid supplied from the fluid supply unit constituting the backwashing member is supplied to the inside of the filter net through the jetting line, the foreign matter adsorbed to the filter net is easily removed, so that the pump head can smoothly take the sample.

When the backwashing member is provided with the inner tube, the injection tube extends around the outer circumferential surface of the inner tube so that the high-pressure fluid supplied from the fluid supplier is sprayed along the periphery of the filter network, Further, when the end of the injection pipe is formed in a curved shape, a foreign matter may be more easily removed while a vortex is generated in the interior of the filter net.

The reinforcing pipe is inserted into the filter net so that the inner circumferential surface of the filter net is communicably supported, so that the rigidity of the filter net can be reinforced.

1 is an exploded perspective view showing a submersible pump according to the prior art;
2 is a perspective view showing a head protection and clogging preventing device for an underwater pump according to the present invention.
3 is a longitudinal sectional view showing a head protection and clog prevention device for an underwater pump according to the present invention.
Fig. 4 is a longitudinal sectional view showing another embodiment of the filter net fastener shown in Fig. 3; Fig.
5 is a longitudinal sectional view showing the buffer member and the backwashing member of the present invention.
Fig. 6 is a longitudinal sectional view showing another embodiment of the backwashing member shown in Fig. 5; Fig.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted.

2, the head protection and clogging prevention device for a submersible pump according to the present invention is connected to a submerged pump P to protect the head H and prevent foreign matter from entering, And a filter net fastener 300.

Here, the submerged pump (P) to which the present invention is applied is a conventional member that is put into a vessel of a groundwater as shown in FIG. 2, which is not shown, and is put into the water of the river or ocean to collect the sample.

Specifically, the submerged pump P incorporates a drive unit for providing a vacuum pressure by a power source, so that water is introduced through the head H in accordance with the operation of the drive unit and discharged to a discharge pipe connected to the opposite side of the head H, Lt; / RTI >

The filtering net 200 is a member for filtering foreign matters while protecting the head H by receiving the head H of the submerged pump P in a communicable state.

As shown in FIG. 2, the filtering net 200 has a cylindrical shape having an opening 210 at one side thereof, and shields the head H so as to communicate therewith, as shown in FIG. 3 and FIG.

Here, it is preferable that the filtering net 200 has a plurality of different diameters, as shown in FIGS. 3 and 4.

That is, the filter net 200 may be selected as the diameter corresponding to the size of the tube, and may be coupled to the head H.

In addition, as shown in FIG. 4, the filtering net 200 may include a corrugated tube 220 in a part of the body.

That is, the filter net 200 is configured to be stretchable by the corrugated tube 220 so that the length of the filter network 200 can be varied depending on the shape of the head H.

2 and 3, the present invention may further include a reinforcement pipe 250. [

The reinforcing pipe 250 is a member for reinforcing the rigidity of the filter net 200 made of a net so as to be able to communicate therewith. The reinforcing pipe 250 is inserted along the inner circumferential surface of the filter net 200 with the plurality of communication holes 251 formed, Through the press bolt 310 constituting the filter net fastener 300 described later.

The reinforcing pipe 250 is preferably made of a cushioning material having a buffering force. Alternatively, the reinforcing pipe 250 may be made of a synthetic resin or a metal material.

The filter net fastener 300 is a component for detachably fixing the filter net 200 to the pump head H.

For example, the filter net fastener 300 may include a press bolt 310 and a split clamp 320, as shown in FIGS. 2 and 3.

As shown in the drawing, the pressing bolts 310 are disposed along the periphery of the filtering net 200 and are screwed into the filtering net 200 and are moved toward the inside of the filtering net 200 by rotation While providing a pressing force.

The split clamp 320 is a member that fixes the filter net 200 to the head H while clamping the head H in accordance with the pressure of the press bolt 310.

3, the split clamp 320 is rotatably coupled to the distal end of the pressing bolt 310 and moves by the rotation of the pressing bolt 310 to rotate the head H, So that the head H is clamped.

When the filter net fastener 300 is composed of the press bolt 310 and the split clamp 320, the filter net 200 is inserted into the pump head H and the head H is attached to the buffer member 400, It is preferable to fix the outer circumferential surface of the head H to the split clamp 320 while rotating the pressing bolts 310 sequentially.

4, the filter network fastener 300 may include a male threaded portion 330 and a female threaded portion 340. As shown in FIG.

The male screw portion 330 is formed along the outer circumferential surface of the pump head H.

4, the female threaded portion 340 is provided in the opening 210 of the filtering net 200 and is screwed to the male threaded portion 330.

When the filter network fastener 300 is composed of the male threaded portion 330 and the female threaded portion 340 as described above, the filter net 200 can be more easily attached to the head 300 than the compression bolt 310 and the split clamp 320 described above. (H).

Meanwhile, the present invention may be configured to further include the buffer member 400 as shown in FIG.

The buffer member 400 is a member that buffers the impact applied to the head H by centering the pump head H fitted in the filter net 200 on the filter net 200 and supporting the pump head H in a resilient manner.

For example, the buffer member 400 may be composed of a coil spring installed at an inner end of the filter net 200 as shown in FIG.

That is, the pump head H is inserted into the filtering net 200 and is centered with its end seated on the coil spring, and the impact can be buffered as the elastic force is provided by the coil spring.

It is preferable that the buffer member 400 is provided when the filter net fastener 300 is composed of the press bolt 310 and the split clamp 320. When the filter net fastener 300 is inserted into the male screw portion 330, And the female screw portion 340. [0064]

5, the present invention may further include the backwashing member 500.

The backwashing member 500 is a component that removes foreign matter adsorbed to the filter net 200 by providing high pressure fluid pressure inside the filter net 200.

For example, the backwashing member 500 may be configured to include the spray tube 510 and the fluid supplier 520 as shown in FIG.

5, the jetting tube 510 is disposed inside the filter net 200 while extending in the longitudinal direction of the pump head H, and the high-pressure fluid is supplied to the jetting nozzle 511).

5, the fluid supplier 520 is embedded in the submerged pump P to supply a high-pressure liquid or a high-pressure gas to the spraying pipe 510.

For example, the fluid supplier 520 may be composed of a high-pressure compressor for supplying a high-pressure gas or a high-pressure pump for supplying a high-pressure liquid.

The backwashing member 500 may further include an inner tube 550 as shown in FIG.

The inner tube 550 is inserted along the longitudinal direction of the pump head H while being separated from the inner circumferential surface of the filter net 200 or the inner circumferential surface of the reinforcing tube 250 as shown in the figure, As shown in FIG.

A plurality of communication holes 551 are formed along the circumference of the inner tube 550 to communicate the water inside the filter net 200 with the pump head H. [

6, the injection pipe 510 may be wound around the outer circumferential surface of the inner pipe 550 and may inject a high-pressure fluid along the inner circumference of the filter network 200. [

In addition, the injection tube 510 can extend to the end of the filtering net 200 with the distal end forming a curled shape.

Accordingly, the high-pressure fluid ejected from the ejection pipe 510 can backwash the filter net 200 while generating a vortex inside the filter net 200.

The present invention may further include a shielding film 600 as shown in FIG.

The shielding film 600 is a member for shielding the opening 210 of the filter net 200.

The shielding film 600 is formed of the same mesh as the filter net 200 and can shield the opening 210. The shielding film 600 is formed in a sleeve 610 and is tightly attached to the pump P and is taped through the sealing tape 650 Can be fixed.

Alternatively, the shielding film 600 may be made of a stretchable fiber material.

It is preferable that the shielding film 600 is provided in the opening 210 of the filtering net 200 when the filtering net fastener 300 is composed of the pressing bolt 310 and the separating clamp 320, Is omitted in the case of being composed of the male screw portion 330 and the female screw portion 340.

The operation and operation of the present invention including the above-described components will be described.

For example, when a sample of groundwater is taken, the filter net 200 is selected to have a size corresponding to the diameter of the groundwater well and is coupled to the pump head H.

4, when the filter net fastener 300 is composed of the male screw part 330 and the female screw part 340, the head H is screwed into the male screw part 330 and the female screw part 340, And is then introduced into the tunnel.

Alternatively, when the fastener 300 is composed of the press bolt 310 and the split clamp 320, the head H is fitted to the filter net 200, is seated on the coil spring installed on the filter net 200, Clamped by the split clamp 320 through the rotation of the filter 310 and fixed to the filter net 200,

At this time, since the rigidity is reinforced by the reinforcement pipe 250 provided along the inner circumferential surface of the filter net 200, the filter net 200 is not deformed or damaged even when it hits the obstacle of the tunnel.

Then, the submerged pump (P) operates in the well and supplies vacuum pressure through the head (H) to introduce groundwater and collect the sample.

At this time, since the head H is received in the filtering net 200 and the groundwater flows in, the foreign matter is not filtered and is not introduced.

On the other hand, when the filtering net 200 is blocked by the foreign substance and the groundwater is not collected, the user operates the fluid supplier 520 to supply the high-pressure fluid to the inside of the filtering net 200.

Accordingly, the filter net 200 is removed by the high-pressure fluid ejected from the injection pipe 510 by the adsorbed foreign matter.

As described above, in the head protection and clogging prevention apparatus for a submersible pump according to the present invention, since the pump head H is received in the filter net 200 in a communicable manner, the head H can be protected, In particular, since the pump head H and the filter net 200 are detachably coupled to each other by the filter net fastener 300, the conventional submersible pump can be utilized. In addition, the plurality of filter nets 200 have different diameters So that the filter 200 can be attached to the inner surface of the tube.

The cushioning member 400 constituted by the coil spring is provided in the filter net 200 and the end of the pump head H is resiliently supported so that the pump head H can be easily centered while being inserted into the filter net, So that the pump head H can be protected.

As the high-pressure fluid supplied from the fluid supply unit 520 constituting the backwashing member 500 is supplied to the interior of the filtering net 200 through the injection pipe 510, the foreign matter adsorbed on the filtering net 200 So that the pump head H can smoothly collect the sample.

When the inner tube 550 is provided in the backwashing member 500, since the spray tube 510 extends around the outer circumferential surface of the inner tube 550, the high-pressure fluid supplied from the fluid supplier 520 When the end of the spraying tube 520 is formed in a curved shape, a vortex is generated in the inside of the filtering net 200, and foreign matter is generated in the filtering net 200 Can be more easily removed.

Since the reinforcing pipe 250 is inserted into the filter net 200 to support the inner circumferential surface of the filter net 200 in a communicable manner, the rigidity of the filter net 200 can be reinforced.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be apparent to those skilled in the art that various changes, substitutions, and alterations can be made therein without departing from the spirit of the invention.

200: filter net 210: opening
220: corrugated pipe 250: reinforcing pipe
251: communicating ball
300: filter net fastener 310: pressure bolt
320: split clamp 330: male thread
340: female screw part 400: buffer member
500: backwashing member 510:
511: Injection nozzle 520: Fluid feeder
550: Inner tube 551:
600: shielding film 610: sleeve
650: Sealed tape
P: Submersible pump H: Head

Claims (12)

A head protection and clogging prevention device for preventing clogging of a head while protecting the head of a submersible pump for taking in water in a canal through a pneumatic pressure inputted to a canal or entering a river or the ocean and taking in river water or seawater,
A filter net made of a cylindrical mesh body having one side opened to filter the foreign substances while receiving the pump head in a communicable manner and having a plurality of different diameters and being replaced according to an inner diameter of the pipe; And
And a filter net fastener detachably fixing the filter net to the pump head,
And a buffer member provided on the filter net to elastically support the pump head while centering the filter net on an end of the pump head.
The method according to claim 1,
The filter-
At least a pair of pressure bolts threaded through the filter net to provide a pressing force by rotation; And
And a split clamp rotatably coupled to the tip of the pressure bolt in a state of being disposed inside the filter net and being clamped to the outer circumferential surface of the pump head by rotation of the press bolt while clamping the pump head And a head protection and clogging prevention device for an underwater pump.
The method according to claim 1,
The filter-
A male screw portion provided along an outer peripheral surface of the pump head; And
And a female threaded portion provided at an opening of the filter net and screwed to the male threaded portion.
delete The method according to claim 1,
The cushioning member,
And a coil spring installed at an inner end of the filter net to provide an elastic force while supporting an end portion of the pump head in a seated state.
The method according to claim 1,
Further comprising a backwashing member for removing foreign matters from the filter net by supplying a fluid pressure to the inside of the filtering net.
The method of claim 6,
The back-
A spray tube extending along the longitudinal direction of the pump head and disposed inside the filter net, and having a spray nozzle for spraying a high-pressure fluid; And
And a fluid supplier for supplying a high pressure gas or liquid to the jetting pipe.
The method of claim 7,
The fluid supply device includes:
Pressure compressor, a high-pressure compressor, and a high-pressure pump.
The method of claim 7,
The back-
And an inner tube inserted in the longitudinal direction of the pump head while being spaced apart from an inner circumferential surface of the filter net and having a plurality of communication holes communicating water to the pump head,
The injection pipe
And extends in the form of being wound around the outer peripheral surface of the inner tube.
The method of claim 9,
The injection pipe
And an end portion of the filter is formed in a curved shape while extending to an end portion of the filter net.
The method according to claim 1,
Further comprising a shielding film provided at an opening of the filter net to shield the opening while closely contacting the outer circumferential surface of the pump head.
The method according to any one of claims 1 to 3, claim 5,
And a reinforcement pipe inserted along the inner circumferential surface of the filter net to form an identical body with the filter net and having a plurality of communication holes to reinforce the filter net so as to communicate with the filter net.

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