KR940003729B1 - Gate pump equipment and operating method thereof - Google Patents

Abstract

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Description

Gate pump facility and its operation method

1 and 2 are front views showing a first embodiment of the present invention, in which FIG. 1 is a natural oil discharge (at natural discharge), and FIG. 2 is a state at drainage operation.

3 and 4 are front views showing a second embodiment of the present invention, in which FIG. 3 shows spontaneous discharge and FIG. 4 shows drainage operation.

5 and 6 are front views showing a third embodiment of the present invention, and FIG. 5 is a diagram showing a state of spontaneous discharge and FIG. 6 of a drainage operation.

7 to 10 are views showing a fourth embodiment of the present invention, 7 and 8 are a front view and a side view respectively showing a natural discharge, and 9 and 10 are a front view showing a state during drain operation, respectively. And side view.

11 to 13 are front views showing a fifth embodiment of the present invention, in which FIG. 11 is a natural discharge state, FIG. 12 is a state at the time of switching between natural discharge and drainage operation, and FIG. 13 is a state at the time of drainage operation Are respectively shown.

BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to a gate pump facility and an operation method applied to a channel drainage, such as a small stream, and is particularly suitable for a drain pump installation of a small stream in a city where space saving is required.

Conventional apparatuses of this kind include those described in JP-A-52-136401 and JP-A-56-5883.

In the above-mentioned Japanese Patent Application Laid-Open No. 52-136401, since a screen is provided at the pump suction portion, foreign matter easily adheres to the screen, and a screen clogging occurs, thereby preventing pump operation for a long time. In particular, when a large amount of foreign matter is introduced as in the case of absorption, clogging of the screen by the foreign matter becomes remarkable, and the amount of drainage is reduced or becomes impossible. In addition, when the water flowing through the water channel is contaminated, the position of the screen is unknown, and since the screen is spherical, it is difficult to remove foreign matter from the screen.

In addition, the Japanese Unexamined Patent Application Publication No. 56-5883 sets up a screen independently upstream of the gate pump, but since the screen is always set in the channel, foreign matter in the water flowing through the channel is always captured on the screen. Had a flaw that the clogging soon occurred.

SUMMARY OF THE INVENTION An object of the present invention is to obtain a gate pump facility and an operation method thereof, which can easily remove foreign substances from the screen even during pump operation, and can automatically retract the screen from waterways during natural discharge that does not require pump operation. have.

In order to achieve the above object, a feature of the gate pump facility of the present invention is a gate that opens and closes a water channel installed to be movable up and down, and a pump installed at the gate to discharge water from one side of the gate to the other side of the gate, And a planar screen installed at an upstream side and set in the waterway in conjunction with the downward movement of the gate and retracted upward in the waterway in conjunction with the upward movement of the gate.

In addition, another feature of the present invention is a gate for opening and closing a water channel installed to be movable up and down, a pump installed in the gate for discharging water on one side of the gate to the other side of the gate and upstream of the pump and the upper and lower sides of the gate The screen is provided in the gate pump installation which has a screen which moves up and down in association with a movement, and the screen has the shape which the lower end is located upstream rather than the upper end in the state set in the channel.

Another feature of the present invention is a gate which is installed to be movable up and down to open and close the water, a pump which is installed on the gate to discharge water on one side of the gate to the other side of the gate and upstream of the pump A pump which is set or retracted from the channel in conjunction with the shanghai-dong of the gate, a damper attached to the screen to remove foreign substances from the screen, and an inclined plate installed at the rear of the screen, always pumps foreign substances removed by the damper The gate pump installation is provided with a foreign matter discharge plate discharged to the downstream side of the.

Another feature of the present invention is a gate freely installed to open and close the waterway, a pump installed at the gate to discharge water from one side of the gate to the other side of the gate, and integrally installed at the gate and upstream of the pump. The screen is provided with a damper for removing foreign matters attached to the screen from the screen when the screen is set in the waterway, and a foreign matter discharge plate installed in the gate and for discharging the foreign matter removed by the damper to the downstream side of the pump. There is a gate pump facility.

Another feature of the present invention is a channel opening and closing means for opening and closing a waterway and a pump for discharging water from one side of the waterway opening and closing means to the other side when the waterway opening and closing means is set in the waterway and installed upstream of the pump and opening and closing the waterway. The foreign matter removing means set in the waterway or retracted from the waterway in conjunction with the opening and closing operation of the means, the foreign material scraper means for scraping off the foreign matter attached to the foreign matter removing means, and the foreign matter scraped by the scraper means of the pump A gate pump facility is provided with a foreign matter discharge means discharged to the downstream side.

In addition, the operation method of the gate pump equipment of the present invention is characterized in that the gate having the pump is set in the channel and the screen is set upstream of the gate in conjunction with the movement of the gate, and then the pump is driven to drive the water upstream of the gate. It discharges to the downstream side of the gate and scrapes foreign matter adhering to the screen during operation of the pump to discharge to the downstream side of the gate.

In addition, another feature of the operation method of the present invention is to freely install a gate pump facility incorporating a screen, which is inclined so that the gate, the pump, and the lower end is upstream on the scaffold on the waterway, and one scraper part is parallel to the front of the screen. Install the vibration damper on the scaffold to scrape off the foreign matter attached to the front of the gate pump equipment, discharge the scraped foreign material to the downstream side of the gate and then move the scraper up to fix the upper pump pump equipment Move upward to evacuate the channel upwards.

According to the present invention, the pump can be automatically installed in the channel upstream of the pump to remove the foreign matter from the running water during operation during the pump operation, it is possible to drain water by the pump.

If the screen is flat or the screen is placed in a channel, the lower end of the screen is located upstream from the upper end, so that when the foreign matter adheres to the screen, the foreign material is removed from the water surface by a scraper mechanism or the like. It is easy to remove. Particularly, in the case where the gate pump equipment is provided with a vibration damper to automatically remove foreign matters attached to the screen, foreign matters attached to the screen can be reliably removed even if the position of the screen is unknown due to turbidity of the flowing water. In addition, by providing a foreign matter discharge plate for discharging the foreign matter removed by the vibration damper and the dust removal machine to the downstream side of the pump, it is possible to automatically send the foreign matter scraped by the vibration damper to the downstream side, so that there is no need to deal with the foreign matter scraped separately do.

On the other hand, during natural discharge, the gate moves upwards, but the screen also retracts upwards in the direction of the water in conjunction with the upward movement of the gate, so during natural discharge, there is no need to periodically remove the vibration from the screen. It is possible to reduce the operating costs and to extend the service life of the gate pump equipment.

Other features, objects, and advantages of the invention will become apparent from the following description with reference to the accompanying drawings.

Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 1 to 13.

A first embodiment of the present invention will be described with reference to FIGS. 1 and 2.

In the drawing, 1 is a submersible motor pump, 2 is a gate in which the submersible motor pump is integrally installed, 3 is a gate driver for moving the gate 2 up and down, and 4 is a flap provided in the discharge casing of the pump 1. A flap valve 5 is a screen provided upstream of the pump 1 and integrally installed in the gate 2.

FIG. 1 shows the state at the time of natural discharge, and the pump 1, the gate 2, and the screen 5 are all retracted upward of the channel 10 so that the flowing channel naturally discharges as a normal channel.

2 shows the state at the time of drainage operation. In order to change from the natural discharge shown in FIG. 1 to the drainage operation shown in FIG. 2, the gate driving unit is driven to move the gate downward and set in the waterway. The pump 1 and the screen 5, which are integrally installed with the gate, are also set in the waterway by moving downward as the gate moves downward. When the pump 1 is driven, foreign matter in the flowing water is trapped in the screen 5 and the water from which the foreign matter has been removed is drained by the pump 1 toward the gate downstream. Since the screen 5 is set in the channel and the lower end thereof is a flat screen positioned upstream from the upper end, even when the pump is in use, the scaffold having the foreign matter attached to the screen 5 installed on the upper part of the gate ( 11) can be easily removed by a worker using a scraper.

When the water channel is returned to the natural discharge state, the pump 1 and the screen 5 integrally formed with the gate 2 are also moved upward by moving the gate 2 upward by the gate driver 3. The screen can be retracted automatically. In the case of natural discharge, the screen can be retracted from the waterway to prevent foreign matter from adhering to the screen, thus eliminating the need for removing foreign matter from the screen.

Next, a second embodiment of the present invention will be described with reference to FIG. 3 and FIG. Subsequent to the drawings, portions denoted by the same reference numerals as those in FIGS. 1 and 2 denote the same or equivalent portions. In the present embodiment, the screen 5 is freely rotated about the point a in the drawing on the scaffold 12 fixed on the waterway, and the lower end and the rod 2a of the gate 2 are moved to the pulley 6. It is connected by the wire rope 7 via. As a result, when the gate 2 is moved up and down, the screen 5 rotates around the point a and is evacuated from the set or the channel 10 in the channel 10. Now, in the state in which the gate 2 is closed (during drainage operation) as shown in FIG. 4, the length of the wire rope 7 is adjusted so that the screen 5 is set in the channel, and the gate 2 is moved by moving the gate 2 upward. In the open state (at the time of natural discharge), as shown in FIG. 3, the screen 5 is evacuated to the upper side of the channel.

Also in this embodiment, the same working effects as in the first embodiment can be obtained.

A third embodiment of the present invention will be described with reference to FIGS. 5 and 6. In the drawings, parts denoted by like reference numerals in the drawings of the above embodiments represent the same or corresponding parts. 9 is an automatic vibration damper for removing foreign matters attached to the screen 5 from the screen, and 8 is a screen rear foreign matter discharge plate for discharging foreign matters scraped by the automatic vibration damper to the downstream side of the pump. The foreign matter discharge plate 8 is composed of an inclined plate provided on the rear side (downstream side) of the screen 5, and the upper end of the foreign matter discharge plate 8 is connected to the upper end of the screen 5, and the surface of the screen 5 is closed. And the surface of the foreign matter discharge plate 8 are configured to be continuous. The vibrator 9 scrapes the foreign matter attached to the screen by moving the scraper portion 9a close to the surface of the screen 5 and moving up and down in parallel with the screen surface. In this embodiment, the state in which the gate 2 is retracted to the upper side (at the time of natural discharge), as shown in FIG. 5, the vibration damper 9 is installed in parallel with the screen at the rear side (downstream side) of the screen 5, In the state where the gate is set in the channel 10 (during drainage operation), when the vibration damper 9 is operated as shown in FIG. 6, the scraper portion 9a moves the front surface (upstream side) of the screen 5 up and down. It is installed to move. At the time of drainage operation, as shown in FIG. 6, the foreign matters picked up by the automatic vibration damper are discharged to the wake side by the screen rear foreign matter discharge plate 8 inclined to the wake side.

In spontaneous discharge, as shown in FIG. 5, the scraper portion of the automatic vibration damper is moved to the uppermost end, and then the screen 5 and the gate 2 of the integrated structure are moved upward of the water channel 10.

According to this embodiment, in addition to the effects of the first and second embodiments, foreign matters picked up at the time of drainage operation can be automatically discharged to the downstream side, which makes it unnecessary to process foreign matters.

A fourth embodiment of the present invention will be described with reference to FIGS. 7 to 10. In the drawings, the same reference numerals as the drawings of the above embodiment indicate the same or corresponding parts. In the present embodiment, the pump 1 'is a horizontal submersible motor pump, and the pump 1' is fixed to the channel 10. Channels 10a and 10b are formed at both sides of the pump 1 ', and water flows through these channels 10a and 10b during natural discharge. The gate (water channel opening and closing means) 2 has a gate shape as shown in the drawing, and is configured to open and close the water channels 10a and 10b by moving them up and down. 7 to 10, although components such as screens are not shown, the screen 5 shown in FIGS. 5 and 6, the foreign matter discharge plate 8, and the vibration damper 9 are provided. The illustration is omitted since the configuration is the same.

In the present embodiment, during the natural discharge, only the gate and the screen are moved upwards to the channel, and the natural discharge is performed by the opening channels 10a and 10b on both sides of the pump. In the drainage operation, the normal drainage operation is performed by tightening the gate 2.

According to this embodiment, in addition to the effects of the first, second and third embodiments, the capacity of the gate driver 3 can be reduced by the weight of the submersible pump 1 '.

A fifth embodiment of the present invention will be described with reference to FIGS. 11 to 13. In the drawings, portions denoted by like reference numerals in the drawings of the above embodiment indicate the same or corresponding portions. In the present embodiment, in addition to the gate driver 3a for driving the gate 2, a vertical drive part 3b for moving the pump 1 up and down is provided separately from the vertical movement of the gate 2. The discharge casing 1a for inserting and installing the pump 1 is integrally provided in the gate 2, and the said pump 1 is the structure which can be inserted and taken out in this discharge casing 1a. 11 to 13, the same components as those of the fourth embodiment are not shown, but the screen 5 and the foreign matter discharge plate 8 shown in FIGS. 5 and 6 are not shown. Since the structure of this part is the same as that of 3rd Embodiment, since the damper 9 is provided, illustration is abbreviate | omitted.

In this embodiment, the natural motor discharge moves the submersible motor pump 1 and the gate 2 upward as shown in FIG.

When switching from natural discharge to drainage operation, as shown in FIG. 12, first, the gate 2 is moved downward to tighten the water channel 10, and then the submersible motor pump 1 is moved downward to discharge the two discharge casings 1a. ), And the drainage operation is started after making the state as shown in FIG.

According to this embodiment, the same effects as in the third embodiment can be obtained, and the submersible motor pump 1 and the gate 2 can be enlarged because the gate driver and the vertical drive part of the pump are separated. The effect that a gate pump facility is realizable is acquired.

According to the gate pump equipment of the present invention, it is possible to easily remove the foreign matter from the screen even during the drainage operation by the pump, and especially in the case of having the foreign matter discharge plate, the foreign matter that has been scraped can be discharged to the downstream side. It becomes unnecessary.

In addition, according to the present invention, since the screen is moved up and down in conjunction with the shanghai east of the gate, the screen can be automatically set and retracted to the water channel only by operating the gate, so that a special device for driving the screen is unnecessary. do. In particular, when the natural discharge does not require pump operation, the screen can be automatically evacuated from the water channel, thereby preventing foreign matter from adhering to the screen and eliminating regular foreign matter removal from the screen.

In addition, with a vibration damper and a debris discharge plate, it is possible to reliably and automatically remove debris attached to the screen even if the location of the screen is unknown due to turbid water flow. In other words, since the discharge can be automatically discharged to the downstream side of the gate, it is possible to prevent foreign matters from accumulating on the screen surface and to eliminate the need to deal with the scraped foreign matters.

Claims (14)

A gate (2) installed to be movable up and down and opening and closing the waterway; A pump (1) installed integrally with the gate to discharge water from one side of the gate to the other side of the gate; And a planar screen (5) installed at an upstream side of said pump and set in said channel in conjunction with a downward movement of said gate and retracted upward in a channel in conjunction with an upward movement of said gate. A gate (2) for opening and closing a waterway provided to be movable up and down; A pump (1) installed at the gate to discharge water from one side of the gate to the other side of the gate; It is provided on the upstream side of the pump and has a screen (5) to move up and down in conjunction with the shanghai east of the gate, the lower end is in the shape of the upper position than the upper end in the state that the screen is set in the waterway Gate pump equipment characterized in that. 3. The gate pump facility as claimed in claim 2, further comprising an automatic damper for removing foreign matter attached to the screen (5). A gate 2 installed to move up and down to open and close a waterway, a pump 1 installed at the gate to discharge water from one side of the gate to the other side of the gate, and an upstream side of the pump, The screen 5, which is set or retracted from the waterway in conjunction with the shanghai east, a vibration damper 9 for removing the foreign matter attached to the screen from the screen, and the inclined plate installed in the rear of the screen And a foreign matter discharge plate (8) for discharging the removed foreign matter to the downstream side of the pump. The gate pump facility according to claim 4, wherein an upper end of the foreign matter discharge plate is connected to an upper end of the screen, and the surface of the screen and the surface of the foreign matter discharge plate are continuous. A gate installed freely up and down to open and close the water channel, a pump installed at the gate to discharge water from one side of the gate to the other side of the gate, a screen integrally installed at the gate and installed upstream of the pump; Gate pump provided with a damper for removing the foreign matter attached to the screen from the screen when the screen is set in the water channel and a foreign matter discharge plate installed in the gate and the foreign matter discharge plate discharged to the downstream side of the pump equipment. According to claim 6, wherein the vibration damper is installed on the scaffold above the waterway and when the screen is set in the waterway to move the surface of the screen up and down to scrape the foreign matter attached to the surface of the screen and onto the foreign matter discharge plate Gate pump equipment, characterized in that configured to discharge to. When the channel opening and closing means for opening and closing the channel and the channel opening and closing means are set in the channel, a pump for discharging water from one of the channel opening and closing means to the other side, and provided upstream of the pump, The foreign matter removing means set in the waterway or retracted from the waterway in conjunction with the opening and closing operation, the foreign matter scraper means 9a for scraping the foreign matter attached to the foreign matter removing means, and the foreign matter scraped by the scraper means downstream of the pump. A gate pump facility having a foreign matter discharge means (8) discharged to the side. The gate pump facility according to claim 8, wherein the pump is fixedly installed in the water channel, and the water channel opening and closing means is a gate for opening and closing the water channel formed on both sides of the pump by moving up and down. 10. The method of claim 8, further comprising: a gate serving as a channel opening and closing means for opening and closing a channel, a gate driver 3a for moving the gate up and down, and a discharge casing 1a for inserting and installing a pump in the gate. And a pump (1) inserted and taken out in the discharge casing, and a vertical pump (3b) for moving the pump up and down independently of the vertical movement of the gate. A gate having a pump is set in the channel, and a screen is set upstream of the gate in conjunction with the movement of the gate, and then the pump is driven to discharge the water upstream of the gate downstream of the gate and during the operation of the pump. A method of operating a gate pump facility comprising scraping foreign matter attached to a screen and discharging it to a downstream side of the gate. The method of operating a gate pump facility according to claim 11, wherein said pump is set at a predetermined position of said gate after said gate is set in a water channel. A gate pump facility incorporating a gate, a pump, and a screen inclined so that the lower end is upstream is installed freely in Shanghai, and a vibration damper is installed on the scaffold so that one scraper portion moves up and down in parallel with the front of the screen. After setting the gate pump equipment in the water channel, the scraper part of the vibration damper is stretched to scrape the foreign matter attached to the front surface of the screen, and the scraped foreign material is discharged to the downstream side of the gate, and then the scraper part is moved upward to fix the upper part. Operating method of the gate pump facility, characterized in that for moving the gate pump facility up and retracted upwards. A gate 2 installed to be movable up and down to open and close the water channel, and a pump 1 installed integrally with the upper and lower gates to discharge water from one side of the gate to the other side of the gate; And a screen (5) connected by a wire rope fixed to an upstream side of the pump to be rotated in the shanghai east of the gate to set or evacuate the waterway.

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