JPH06142647A - Sludge collecting device for suspended matter or the like - Google Patents

Abstract

PURPOSE:To provide the sludge collecting device for suspended matter, etc., by which the suction capacity and the head capacity of a pump can effectively be utilized. CONSTITUTION:The device is provided with a bottomed and cylindrical guide 1, a piston 2 consisting of a floating body 12 moving vertically along the guide 1, and a pump 3 for a suction operation for sludge, and the piston 2 has a suspended matter suction hole communicating the inside and the outside of the guide 1 in the vertical direction and sucking sludge such as suspended matter, scum, etc., and an air vent hole. Also, a sludge storage chamber is formed with a guide side wall 4 part, a guide bottom part 6 and a piston bottom part 10, and this device is constituted so that sludge in the sludge storage chamber can be collected by moving vertically the piston 2 by an operation of the pump 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for recovering filth such as suspended solids, and more particularly, to suspended solids such as water, water surface, and water bottom, which can effectively utilize the suction capacity and the lifting capacity of a pump. The present invention relates to a waste recovery device for recovering waste such as scum, sludge and the like.

[0002]

2. Description of the Related Art Conventionally, there have been various types of devices for collecting suspended matter and the like, and in recent years, a suction port of a pump is provided with a floating substance suction port that opens toward the water surface, and a bypass pipe is provided at the pump discharge port. Provided, the bypass pipe is connected to the pump suction port, a part of the pumped water is circulated to the pump suction port to generate a jet flow, and by the ejector effect of the jet flow, the suspended matter is sucked into the suspended matter suction port. Generate suction power,
A structure has been proposed in which floating substances on the water surface can be collected.

Further, in the case of this recovery device, since the float is fixed to the suction port and the device itself has a levitation structure, even if suspended matter on the water surface, water and air flow in at the same time, a stable suction action is achieved. Can continue.

[0004]

However, the above-mentioned device for recovering suspended matter has the following problems. That is, since the suspended matter suction port is fixed to the “float”, the suction port floats or sinks along the water surface,
When air is sucked, the air acts as buoyancy, so the suction port may be higher or lower than the water surface,
In some cases, it may not match the surface of the water, and it may not be possible to suck in suspended matter. Since half of the suction force of the pump is required to generate the jet flow, the floating energy recovery efficiency of the pump is reduced, the suction amount is reduced by half, and the lifting capacity of the pump is reduced. There is a problem such as.

The present invention has been made in response to the above-mentioned problems, and its object is to make it possible to effectively utilize the suction capacity and the lifting capacity of a pump, such as floating matter. It is to provide a recovery device.

[0006]

In order to achieve the above object, the apparatus for collecting filth such as suspended matter according to the present invention is a bottomed cylindrical guide guide and a floating body that moves up and down along the guide guide. And a pump for sucking in filth, and the piston communicates the inside and outside of the guide vertically with the floating matter suction hole for sucking in filth such as floating matter and scum. A waste collection chamber having an air vent hole, the guide guide sidewall portion, the guide guide bottom portion, and the piston bottom portion, and the piston is moved downward by the operation of the pump, whereby the waste material in the waste collection chamber is reduced. Is configured to be able to be collected.

[0007] Another device for recovering filth such as suspended matter of the present invention is a bottomed cylindrical guide guide, a piston composed of a levitation body that moves up and down along the guide guide, and a filth suction operation. A pump, the guide guide has a bottom suction port for sucking lower dirt such as sludge at the bottom, and the piston vertically connects the inside and the outside of the guide guide to prevent floating matters, scum, etc. It has a floating material suction hole for sucking in upper dirt and an air vent hole, and a mixing chamber for lower dirt and upper dirt is formed by the guide guide side wall portion, the guide guide bottom portion, and the piston bottom portion, and by the operation of the pump, By moving the piston downward, the mixed waste in the mixing chamber can be collected.

In addition, in another embodiment of the present invention, the floating material, sludge and the like waste collecting apparatus has a float provided on the outer peripheral portion of the guide. Further, the other floating matter, sludge and other waste collecting apparatus of the present invention, in each of the above inventions, an opening is provided in an upper portion of the side wall of the guide, and the opening length of the opening is set as an effective stroke length of the piston. It is configured.

[0009]

The operation of the present invention for collecting suspended solids such as sludge and sludge
When it is installed in water and the pump is driven, a piston equipped with a floating material suction hole for sucking in upper dirt such as floating matter and scum moves downward, and water containing the upper dirt flows into the upper part of the piston. , Flowing into the waste collection chamber from the suspended matter suction hole of the piston, collected through the waste collection chamber, and subsequently,
When the drive of the pump is stopped, the piston moves upward,
After returning to the original position, the inflow of filth such as floating material and the vicinity of the water surface stops, and by repeating this process, filth such as floating material can be collected without lowering pump efficiency. Act to be able to.

Further, in the structure having the lower suction port at the bottom of the guide guide, lower waste such as sludge is sucked from the lower suction port of the guide and is mixed with the upper waste in the mixing chamber, and the mixed waste is mixed. It works so that it can be sucked and collected in the direction of the pump outlet. Here, when the piston is moved downward by driving the pump, the upper dirt such as floating matter flows into the guide guide from the upper part, and the upper dirt is sucked into the mixing chamber from the floating matter suction hole of the piston. Then, when the drive of the pump is stopped, the piston moves upward and returns to the original position, and the inflow of upper dirt such as suspended matter is stopped. By repeating this process, the pump efficiency is improved. It works so that it is possible to collect waste such as suspended solids and sludge without lowering the water content.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 5 show an embodiment of the present invention, FIG. 1 is a perspective view, FIG. 2 is a longitudinal sectional view, FIG. 3 is an explanatory view of an operating state, and FIG. 4 is an assembly drawing of another embodiment. 5 shows another embodiment provided with a float, (a) is a plan view and (b) is a longitudinal sectional view.

The filth recovery apparatus for floating matters, sludge and the like according to the present embodiment is roughly summarized as follows: a bottomed cylindrical guide guide 1, a piston 2 composed of a levitation body that moves up and down along the guide guide 1, and filth. Of the pump 3 for suctioning.

The guide guide 1 is formed of a bottomed cylindrical body, and an opening 5 is formed in the upper part of the side wall 4 for allowing the upper dirt such as suspended matter and scum to flow in, and the bottom 6 is formed. A lower suction port 7 for sucking lower waste such as sludge is formed in the. In addition, the bottom 6 of the guide 1
A leg portion 8 is provided in the upper part of the lower part, and a gap 9 is formed between the lower suction port 7 and the installation surface. Here, the bottomed cylinder is usually
It is made of liquid-resistant synthetic resin plate or other FRP.

A piston 2 is vertically movably inserted into the guide guide 1 and a side wall 4 of the guide guide 1 is inserted.
And the bottom 6 of the guide 1 and the bottom 1 of the piston 2.
0 forms a mixing chamber 11 for the lower filth and the upper filth. The pump 3 is connected to the mixing chamber 11.

The piston 2 is formed of a doughnut-shaped levitation body (float) 12, and a skirt portion 13 is connected to the lower portion of the levitation body 12. And the float 12
The central void portion is formed as a suspended matter suction hole 14 that communicates the inside and outside of the guide 1 and sucks in suspended matter such as suspended matter and scum. Also on its side,
Two air vent holes 15 are provided. Here, the opening 5 of the guide 1 is an opening having an effective stroke length of the piston 2, and is formed as a plurality of vertically elongated openings.

When the apparatus for collecting filth such as suspended matter and sludge of the present embodiment is installed in water and the pump 3 is driven, lower filth such as sludge is sucked from the lower suction port 7 of the guide guide 1, and It can be mixed with the upper waste in the mixing chamber 11, and the mixed waste can be sucked and collected toward the discharge port of the pump 3.

When the piston 2 is moved downward by driving the pump 3, upper dirt such as floating matter flows into the guide guide 1 through the opening 5 in the side wall 4, and the floating matter suction hole of the piston 2 is introduced. From 14, the upper waste is sucked into the mixing chamber 11.

Next, when the driving of the pump 1 is stopped, the piston 3 moves upward and returns to its original position, and at the same time, the buoyant body 12 and the skirt portion 13 close the opening 5 so that the upper filth such as floating matter is removed. Inflow stops. Therefore, by repeating this process, it is possible to collect the contaminants such as suspended matter and sludge without lowering the pump efficiency. Also,
In the case of this embodiment, even if air flows in simultaneously with the suspended matter,
Since the air vent hole 15 is formed in the piston 2, the air can be smoothly discharged.

It should be noted that the present invention is not limited to the above-described embodiments, but includes configurations that can be modified and implemented within the scope of the present invention. Incidentally, in the above-mentioned embodiment, the piston 3 is inserted into the guide guide 1,
Although the structure has been described in which the inside is moved up and down, as shown in FIG. 3, the skirt portion 13 of the piston 3 may be covered with the guide guide 1 and moved up and down.

Further, in the above-mentioned embodiment, the apparatus was installed on the bottom surface in water, and the upper filth (floating matter, scum, etc.) and the lower filth (sludge, sand, etc.) were mixed and collected. A float 16 may be provided on the main body of the apparatus, that is, the guide guide 1 so as to float on the water surface. That is, as shown in FIG.
It is good also as a structure which provided 6,16. In the case of this configuration, by providing the pump 3 at the lower suction port 7 of the guide guide 1, it is also possible to adopt a configuration as a device for collecting suspended matter on the water surface and a device for collecting clear water near the water surface. .

In the case of this construction, the suspended matter suction port (guide guide) is fixed to the "float", the suction port floats and sinks along the water surface, and the suction port becomes higher or lower than the water surface. Even if there is a case where it does not coincide with the water surface, the suspended matter is sucked up and down by the up and down movement of the piston, so it can be sucked in without being affected by air and without unstable operation during operation. .

Further, in the above-mentioned embodiment, the bottom of the guide is not provided with a lower suction port for sucking lower dirt such as sludge and sand, and the floating matter collecting device on the water surface It may be configured as a device for collecting clear water. Further, in the above-described embodiment, the donut-shaped piston has been described, but various shapes can be used depending on the shape of the guide. That is, a flat rectangular shape or the like may be used as long as it has a structure in which the suspended matter suction port is formed.

By connecting a fluid separation device to the rear of the device of this embodiment, it is possible to carry out the water purification treatment of the filth continuously with the recovery of the filth. Here, as the fluid separation device, various separation devices can be used, for example,
It is efficient to use a structure as shown in FIG.

The apparatus shown in FIG. 6 is roughly arranged so that the fluid to be treated is injected into the circumferential wall of the fluid separation treatment chamber, which is circular in plan view, along the tangent line or in the vicinity thereof. A processing fluid inlet is provided, and a plurality of fluid processing chambers are concentrically provided inside the processing chamber, and each of the fluid processing units has one or more spirals whose upper side inclines toward the outer side of the processing chamber with respect to the lower side. The inclined slant plate formed in each fluid treatment section causes the treated fluid injected from the treated fluid inlet portion to reduce the negative pressure under pressure, and the removed substance and the purified water fluid due to the difference in specific gravity. It is arranged so that it can be distributed to the center side of the processing chamber while being separated into two parts, and a funnel-shaped fluid filtration separation part (having a funnel-shaped inclined plate is provided) is formed in the center part of the processing chamber by the rotating flow of the fluid to be processed. It is composed of However, other configurations may be used.

[0025]

As is apparent from the above description, according to the apparatus for recovering contaminants such as suspended matter of the present invention, the piston that moves up and down along the guide is provided with the suspended matter suction hole, and Since the floating object is collected by the vertical movement of the piston, in the structure having the lower suction port at the bottom of the guide guide, the lower filth such as sludge is lower than the lower suction port of the guide guide. Is sucked in, mixed with the upper filth in the mixing chamber, and the mixed filth can be sucked and collected in the direction of the pump discharge port. It has the effect that filth can be collected.

Further, in the structure in which the guide guide is provided with the float, the suction port may float along the water surface, and the suction port may become higher or lower than the water surface and may not coincide with the water surface. Also, since the suspended matter is sucked up and down by the vertical movement of the piston, there is an effect that the suspended matter can be sucked in without being affected by air.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention.

FIG. 2 is a vertical sectional view of FIG.

FIG. 3 is an explanatory diagram of an operating state.

FIG. 4 is an assembly view of another embodiment.

5A and 5B show another embodiment in which a float is provided, FIG. 5A is a plan view, and FIG. 5B is a vertical sectional view.

FIG. 6 is a vertical cross-sectional view of an example of a waste separation device.

[Explanation of symbols]

1 ... Bottom-guided guide guide, 2 ... Piston, 3
... Pump, 4 ... Guide guide side wall, 5 ... Opening part, 6 ... Guide guide bottom part, 7 ... Lower suction port, 8 ... Leg part, 9 ... Bottom part Gap between suction port and installation surface, 10 ... bottom of piston, 11 ... Mixing chamber, 12
... Floating body (float), 13 ... Skirt part, 14 ...
..Floating matter suction holes, 15 ... Air vent holes, 16 ...
Floating child

Claims (4)

[Claims] 1. A bottomed cylindrical guide guide, a piston composed of a floating body that moves up and down along the guide guide, and a pump for suctioning dirt, the piston comprising:
It has a floating material suction hole for vertically and vertically communicating the inside and outside of the guide guide to suck in dirt such as floating matter and scum, and an air vent hole, and also has the guide guide side wall portion, the guide guide bottom portion, and the piston bottom portion. A filth collection device for floating matters and the like, wherein a filth collection chamber is formed by and the piston is moved downward by the operation of the pump so that filth in the filth collection chamber can be collected. 2. A bottomed cylindrical guide guide, a piston composed of a floating body that moves up and down along the guide guide, and a pump for sucking in filth, and the guide guide has a sludge at the bottom. Has a lower suction port for sucking in lower waste, and the piston communicates the inside and the outside of the guide vertically with a floating matter suction hole for sucking upper waste such as floating matter and scum, and an air vent hole. In addition, the guide guide side wall portion, the guide guide bottom portion and the piston bottom portion form a mixing chamber for the lower filth and the upper filth, and the piston is moved downward by the operation of the pump, thereby A filth collection device for floating matters and the like, which is capable of collecting mixed filth. 3. The filth recovery device for floating matters and the like according to claim 1 or 2, wherein a float is provided on an outer peripheral portion of the guide. 4. An apparatus for recovering contaminants such as suspended matter according to claim 1, 2 or 3, wherein an opening is provided in an upper portion of a side wall of the guide and the opening length of the opening is an effective stroke length of the piston.