KR101804111B1 - a Water treatment system including pump - Google Patents

Abstract

The present invention relates to a water treatment apparatus to purify wastewater. According to an embodiment of the present invention, the water treatment apparatus having a foreign substance-removable pump comprises: a wastewater tank where wastewater is introduced; a purification tank purifying wastewater introduced into the wastewater tank; a transfer pipe connecting the wastewater tank and the purification tank; and a pump forcibly transferring wastewater accommodated in the wastewater tank into the purification tank through the transfer pipe.

Description

The present invention relates to a water treatment system including a pump,

The present invention relates to a water treatment apparatus for purifying wastewater.

Generally, when wastewater is simply discarded, it becomes a main cause of environmental pollution, so some wastewater is purified and reused.

Meanwhile, in order to purify wastewater, various stages of the water tank are forcedly transferred and cleaned by the pump. Especially when the wastewater is transferred from the wastewater tank containing the first wastewater, foreign matter is contained in the wastewater, .

In order to solve this problem, a "channel type pump" of Korean Patent Registration No. 10-1537714 (published on July 13, 2015) has been disclosed.

The conventional channel type pump includes a drive motor, an impeller provided in a drive shaft of the drive motor and having a channel formed therein for sucking fluid to a lower center and discharging the fluid laterally, a pump casing for supporting the impeller, The present invention relates to a channel type pump having a self-cleaning function, which is provided between a casing and a wear ring that prevents discharge of a part of fluid in a direction in which the fluid is sucked, wherein the impeller is formed on a circumferential surface on which the wear ring is fitted, And a discharge guide groove formed in an inner circumferential surface of the impeller to receive the foreign matter inserted into the foreign matter insertion groove and discharge the foreign matter to the outside.

The conventional channel-type pump having such a configuration can easily remove foreign matters sandwiched between the impeller and the wear ring, thereby preventing damage to the pump.

However, in the conventional channel type pump, only the impurities sandwiched between the impeller and the wear ring can be removed, and the wastewater containing foreign substances is introduced into the inside of the pump, thereby damaging the pump due to the foreign matter .

In addition, since the conventional channel type pump only performs the function of transferring water, sediments due to foreign substances accumulate in the waste water tank, and the waste water tank must be periodically cleaned.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to minimize the inflow of foreign matter into the inside of a pump, And a pump capable of removing the foreign matter from the pump, thereby preventing the efficiency of the pump from being lowered.

In addition, it is possible to minimize the cleaning of the wastewater by the sediment by flocculating sediments from the wastewater containing foreign matter in the wastewater tank and transporting the sediment together.

According to an aspect of the present invention, there is provided a water treatment apparatus including a pump capable of removing foreign matter, including a waste water tank into which wastewater is introduced, a purified water tank that purifies wastewater introduced into the waste water tank, And a pump connected to the transfer pipe located in the wastewater tank for forcibly transferring wastewater stored in the wastewater tank through the transfer pipe to the septic tank, A suction casing having a suction port for sucking the wastewater contained in the wastewater tank and an outlet for discharging the fluid sucked into the suction port to the transfer pipe, and a suction casing installed inside the suction casing, Single-vane impeller installed in the suction casing A pump motor portion for rotating the single vane impeller, a cylindrical sieve filter installed at the suction port for filtering out foreign substances to be sucked into the suction hole, A cutter blade which rotates together and cuts foreign matter passing through the sieve net by interacting with the sieve net, a foreign matter slidable up and down on an outer surface of the sieve net, A scraper driving unit that receives the driving force of the pump motor unit and rotates the scraper up and down, and a scraper driving unit that is connected to the scraper and is flexibly bent in the wastewater tank as the scraper rotates up and down when sliding up and down, And the wastewater To extend from the swinging wing, and the suction casing to provide for sitting precipitate sink comprises a blade support on which the oscillating blade is rotatably supported.

An inlet for introducing the wastewater from the wastewater tank is formed between the discharge port and the transfer pipe so as to discharge the fluid back to the suction port to remove the foreign matter caught outside the filtering cell, And a reverse discharge valve unit including an opening and closing door for selectively opening and closing the transfer pipe.

The scraper driving unit includes a power transmitting member connected to the rotating shaft of the pump motor unit and rotating together with the rotating shaft, an eccentric plate rotating by the power transmitting member, and a scraper connecting the eccentrically- And a power converting link that converts the rotational motion of the scraper into an upward and downward reciprocating motion and slides the scraper up and down.

According to the present invention, not only a sieve for filtering out foreign matter is installed in the suction port, but also when the foreign substance is caught on the outside of the sieve network, the scraper slides up and down and is removed to prevent the efficiency of the pump have.

Further, since the cutter blade is provided and the foreign matter is finely cut, the wastewater can be transferred together with the foreign matter.

In addition, the swinging wing for swinging the wastewater along with the scraper is operated to float the sediment and transfer the wastewater together with the wastewater, thereby minimizing the accumulation of the wastewater in the wastewater tank, thereby minimizing the cleaning of the wastewater.

In addition, the scraper and the swinging blade are operated by the pump motor portion to minimize the drive means, thereby reducing the manufacturing cost.

FIG. 1 is a side view schematically showing a water treatment apparatus having a foreign material removing pump according to an embodiment of the present invention.
FIG. 2 is a side cross-sectional view schematically showing a pump constituting a water treatment apparatus having a foreign material removing pump according to an embodiment of the present invention.
3 is a side cross-sectional view enlarging a portion where a water purifier is installed, which constitutes a water treatment apparatus having a foreign material removing pump according to an embodiment of the present invention.
FIG. 4 is a side sectional view schematically showing a pump constituting a water treatment apparatus having a foreign material removing pump according to an embodiment of the present invention, and shows an operating state thereof.
FIG. 5 is a side cross-sectional view schematically showing a pump constituting a water treatment apparatus having a foreign material removing pump according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

1, a water treatment apparatus 200 including a foreign matter removing pump 100 according to an embodiment of the present invention includes a wastewater treatment tank 210, a purification tank (not shown), and a transfer pipe 230 can do.

First, the wastewater tank 210 can receive and receive wastewater, and the purified water tank can receive wastewater stored in the wastewater.

Meanwhile, the purification tank may include a plurality of purification tanks having different functions for purifying the wastewater, and the purification tank may be configured to purify the wastewater by sequentially passing through the plurality of purification tanks.

Here, the plurality of the purification tanks can be configured to perform purification using various known purification methods, and the technology for purifying the wastewater through the plurality of purification tanks is a well-known technology, and a detailed description thereof will be omitted.

The transfer pipe 230 connects the wastewater tank 210 and the septic tank to transfer wastewater from the wastewater tank 210 to the septic tank.

Meanwhile, one end of the transfer pipe 230 may extend to the bottom of the wastewater tank 210, and the other end of the transfer pipe 230 may be located at the upper part of the septic tank.

As shown in FIGS. 1 to 3, the pump 100 may include a pump 100 according to an embodiment of the present invention.

The pump 100 is connected to a transfer pipe 230 located in the wastewater tank 210 to transfer wastewater stored in the wastewater tank 210 to the septic tank.

Meanwhile, the pump 100 may include a suction casing 110.

The suction casing 110 is formed with a suction port 111 for sucking wastewater from the wastewater tank 210. A discharge port 113 for discharging wastewater sucked is formed around the suction casing 110. The discharge port 113 is connected to a transfer pipe The wastewater sucked through the suction port 111 can be discharged to the transfer pipe 230 through the discharge port 113. [

In addition, the pump 100 may include a single vane impeller 120.

The single vane impeller 120 can rotate inside the suction casing 110 to suck and discharge the fluid.

Meanwhile, the single vane impeller 120 may be a centrifugal impeller for sucking the wastewater into the center and discharging the sucked fluid to the periphery. The impeller for generating the suction power and the discharge power at the same time is a single vane impeller (120).

Here, since the single vane impeller 120 having a single vane can discharge the vanes without being impregnated with foreign matter in the process of sucking and discharging the fluid, the unturned impeller and the output of the impeller due to foreign matter are lowered Can be prevented.

The pump 100 may include a pump motor unit 130.

The pump motor unit 130 can rotate the single vane impeller 120.

The pump motor unit 130 is installed on the upper portion of the suction casing 110 so that the rotary shaft 131 is coupled to the single vane impeller 120 positioned in the suction casing 110, To rotate the single vane impeller 120 according to the rotation of the single vane impeller 120.

Here, the pump motor unit 130 may have the same configuration as that of the electric motor that is rotated by electricity. The pump motor unit 130 is surrounded by the pump casing 100 to hermetically seal the inside of the suction casing 110, As shown in FIG.

The pump motor unit 130 may be provided with a mechanical seal for performing airtightness at a portion of the rotating shaft 131 coupled to the single vane impeller 120 in the suction casing 110.

In addition, the pump 100 may include a filtering network 140.

The filtering body (140) is installed in a suction port (111) where the wastewater is sucked in the suction casing (110), so that foreign matter contained in the wastewater can be filtered.

In this case, the sieve body 140 may be formed in the form of a net having an inlet hole having a predetermined size so that only a foreign substance having a predetermined size can pass through, or a grid interval formed so as to pass only predetermined foreign substances.

At this time, the bottom of the sieve body 140 may be configured to be closed without forming an inflow hole or a lattice, so that the wastewater can be sucked only around the sieve 140 and sucked into the inlet 111 of the pump 100.

Meanwhile, the filter screen 140 may be formed in a cylindrical shape having only a portion connected to the suction port 111 opened.

In addition, the pump 100 may include a cutter blade 150.

The cutter blade 150 passes through the rotary anti-fouling network 140 inside the filter 140 and can cut off the foreign matter.

The cutter blade 150 may be coupled to the rotating shaft 131 of the pump motor unit 130 together with the single vane impeller 120 so as to rotate together with the single vane impeller 120.

A plurality of cutter blades 150 may be formed radially in the sieve 140 so that the cutter blades 150 are positioned close to the inside of the sieve 140 so that the inflow of the sieve 140 It can be passed through a ball or a lattice to cut and suck in foreign matter.

In the embodiment, the cutter blade 150 is formed to be perpendicular to the sieve 140, but the cutter blade 150 may be formed in a helical shape to improve cutting efficiency through point contact with foreign matter.

In addition, the pump 100 may include a scraper 160 (scraper).

This scraper 160 can remove foreign matter caught on the outside of the sieving unit 140 from the sieving unit 140.

If the foreign matter is caught on the outside of the sieve 140, the amount of wastewater sucked into the sludge reducing unit 140 may be reduced and the efficiency of the pump 100 may be reduced. In order to prevent this, the scraper 160 may remove foreign matter in the form of scratching the foreign matter caught on the outside of the sieve body 140 up and down.

The inner circumference of the scraper 160 may be formed in a ring shape larger than the outer circumference of the sieve 140 so that the sieve 140 can be inserted into the center of the sieve 140, A plurality of guide rods 141 may be provided radially and the scraper 160 may be guided by the guide rods 141 so as to move up and down.

A ring formed of a ring-shaped brush or an elastic material or a ring made of a Teflon material having a low degree of abrasion is provided on the inner circumference of the scraper 160 so as to remove foreign matter caught on the outer surface of the sieve 140 by contacting the outer surface of the sieve 140. [ Can be installed.

In addition, the pump 100 may include a scraper driving unit 170.

The scraper driving unit 170 can slide the scraper 160 up and down in the screening unit 140.

The scraper driving unit 170 can slide the scraper 160 up and down by the driving force of the pump motor unit 130. The scraper driving unit 170 includes the power transmitting member 171, And a power conversion link 175.

The power transmitting member 171 may be connected to each other by a bevel gear so as to be rotated by the rotating shaft 131 of the driving motor unit to receive the rotational force of the rotating shaft 131.

The eccentric plate 173 may be rotatably coupled to the power transmitting member 171 in accordance with the rotation of the power transmitting member 171 and the eccentric plate 173 may be provided at a position eccentric to the power converting link 175 And the other end of the power converting link 175 may be configured to be coupled to the scraper 160. [

At this time, a bevel gear for engaging with the bevel gear of the power transmitting member 171 is formed on one surface of the eccentric plate 173, and the power converting link 175 may be connected to the other surface of the eccentric plate 173.

When the drive motor unit is operated to operate the single vane impeller 120, the rotating force of the drive motor unit rotates the one end plate 173 through the power transmitting member 171, The power conversion link 175 coupled to the power conversion link 175 converts the rotary motion of the eccentric plate 173 into a reciprocating motion so that the scraper 160 coupled to the power conversion link 175 is moved up and down As shown in Fig.

In addition, the pump 100 may include a wing support 185.

The wing support 185 can support the swinging blade 180, which will be described later.

The wing support 185 may be formed to extend from the suction casing 110 in a direction in which the scraper driving unit 170 is positioned and may be configured to rotatably support the swinging blade 180 coupled to the end of the scraper 160 can do.

In addition, the pump 100 may include a swinging blade 180.

The swinging blade 180 swings the wastewater in the wastewater tank 210 to float the wastewater in order to prevent sediment from depositing in the wastewater tank 210.

On the other hand, the swinging blade 180 may be formed of a material that can be bent flexibly, and may be formed in a shape similar to a flap used for swimming.

The other end of the swinging vane 180 is connected to the power conversion link 175 of the scraper 160 or the scraper driving unit 170. The swinging vane 180 may swing freely in the wastewater tank 210 to float the sediment, As shown in FIG.

A wing shaft is formed at the other end portion connected to the scraper 160 in the swinging wing 180 so that the wing shaft can be coupled to the wing support 185 so as to be rotatable up and down.

4, when the scraper driving unit 170 slides the scraper 160 to the upper and lower sides of the sieve 140, the swinging vane 180 connected to the scraper 160 rotates, And the free end of the swinging vane 180 can float the sediment in such a manner that one end swings the wastewater.

In addition, the pump 100 may include a back discharge valve unit 190.

5, the single-vane impeller 120 discharges the wastewater into the suction port 111 provided with the sieve body 140 instead of the normal forward rotation, as shown in FIG. 5, When the single vane impeller 120 is rotated in the reverse direction to discharge the wastewater to the outside from the inside of the filtering apparatus 140 and to remove the foreign substances caught on the outside of the filtering apparatus 140, The wastewater contained in the wastewater tank 210 can be selectively supplied to the discharge port 113 instead of supplying the wastewater.

The reverse discharge valve unit 190 may be installed between the discharge port 113 of the suction casing 110 and the transfer pipe 230. The reverse discharge valve unit 190 may be provided with a waste water tank 210 housed in the waste water tank 210, An inlet 191 may be formed to supply the gas to the outlet 113 directly.

The inlet 191 is provided with a filter for filtering foreign substances contained in the wastewater flowing into the inlet 191 to prevent foreign matter from entering the inside of the suction casing 110.

The reverse discharge valve unit 190 may be provided with an opening and closing door 193 for selectively opening and closing the transfer pipe 230 or opening and closing the inlet 191 according to the rotational direction of the single vane impeller 120.

The opening and closing door 193 is provided so as to be rotatable between a portion where the transfer pipe 230 is installed and the inlet 191 so that the inlet 191 is opened when the transfer pipe 230 is closed, 191), it is possible to seal the transfer pipe (230).

At this time, when the single vane impeller 120 rotates in the forward direction, the opening / closing door 193 rotates so as to open the transfer pipe 230 and close the inlet 191, and the single vane impeller 120 is rotated by the sieve member 140 It may be rotated so as to close the transfer tube 230 and open the inlet 191. In this case,

On the other hand, the opening / closing door 193 of the back discharge valve unit 190 can be automatically operated by the drive motor by electronic control according to the rotating direction of the single vane impeller 120.

The operation and effect between the above-described respective constitutions will be described.

The water treatment apparatus 200 including the foreign matter removing pump 100 according to the embodiment of the present invention is provided with the pump 100 at the end of the transfer pipe 230 located in the wastewater tank 210.

When the pump 100 is operated to transfer the wastewater from the wastewater tank 210 to the septic tank, the pump 100 operates the pump motor 130 to rotate the single vane impeller 120, (120) sucks the fluid to the suction port (111) and discharges the fluid to the discharge port (113), and transfers the waste water to the septic tank through the transfer pipe (230).

At this time, a filter screen 140 is installed in the suction port 111 to filter foreign substances contained in the wastewater to be sucked into the suction port 111. The foreign matter passing through the filter screen 140 is rotated together with the single vane impeller 120 And is then sucked into the suction port 111. The suction port 111 is provided with a cutter blade 150,

When the single vane impeller 120 is driven by the pump motor unit 130, the scraper 160 reciprocates vertically on the outer surface of the sieving unit 140 and moves the outer surface of the sieving unit 140 Remove.

When the single vane impeller 120 is rotated by the pump motor unit 130, the power transmitting member 171 for transmitting the power from the rotating shaft 131 of the pump motor unit 130 is connected to the scraper 160, The eccentric plate 173 rotates the rotary motion by the power conversion link 175 into vertical reciprocating motion and continuously slides up and down from the outside of the sieve 140 to remove foreign matter .

When the scraper 160 is operated by the pump motor unit 130, the swinging wings 180 connected to the ends of the scraper 160 rotate upward and downward about the wing axis, The other end floats the sediment deposited in the wastewater tank 210 (see FIG. 4).

The floated precipitate is sucked into the pump 100 to prevent accumulation of deposits in the wastewater tank 210.

When the scrapers 160 are operated but the foreign substances trapped in the sieve 140 are not easily removed, the wastewater is sprayed from the sieve 140 into the sieve 140, And the single vane impeller 120 is rotated in the reverse direction by the motor unit 130.

At this time, when the single vane impeller 120 rotates reversely, the opening / closing door 193 of the back discharge valve unit 190 opens the inlet 191 and closes the transfer pipe 230 to discharge the waste water The foreign matter caught on the outside of the sieve body 140 is removed (see FIG. 5) in such a manner that the foreign matter is sucked into the inlet 191 and discharged again through the outlet 113 through the inlet 113.

Here, the user may selectively perform cleaning of the sieve body 140 according to the reverse rotation of the single vane impeller 120.

Therefore, in the water treatment apparatus 200 having the foreign substance removing pump 100 according to the embodiment of the present invention, the foreign matter is finely cut by the cutter blade 150 so that the efficiency of the pump 100 due to foreign matter is prevented from being lowered In addition, since the scrapers 160 repeatedly remove the foreign matter caught on the outside of the sieve 140, the efficiency of the pump 100 due to clogging of the foreign matter can be prevented from being lowered.

In addition, when foreign matter is not removed by the operation of the scraper 160, the wastewater can be discharged backward to improve the removal effect of the foreign matter.

In addition, when the scraper 160 is operated, the swing wings 180 are also operated to prevent deposits from accumulating in the wastewater tank 210.

Further, the scraper 160 and the swinging vane 180 are operated by the pump motor unit 130 to minimize the driving means, thereby reducing manufacturing costs.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, And all changes and modifications to the scope of the invention.

100: pump 110: suction casing
111: inlet 113: outlet
120: single vane impeller 130: pump motor part
131: rotating shaft 140:
141: guide rod 150: cutter blade
160: Scraper 170: Scraper driving part
171: Power transmitting member 173:
175: power conversion link 180: swing wing
185: wing support 190: reverse discharge valve
191: inlet 193: opening / closing door
200: water treatment apparatus 210: waste water tank
230: transfer pipe

Claims (3)

Wastewater from which wastewater flows,
A purification tank for purifying the wastewater introduced into the wastewater tank,
A transfer pipe connecting the septic tank and the septic tank to transfer the wastewater stored in the septic tank to the septic tank,
And a pump connected to the transfer pipe located in the wastewater tank for forcibly transferring wastewater stored in the wastewater tank to the septic tank through the transfer pipe,
The pump
A suction port for sucking the wastewater contained in the wastewater tank, a suction port for discharging the fluid sucked into the suction port to the transfer pipe,
A single vane impeller installed in the suction casing and sucking the wastewater into the lower center of the impeller and discharging the wastewater to the periphery,
A pump motor installed in the suction casing to rotate the single vane impeller,
A cylindrical sieve filter installed at the suction port to filter the foreign substances sucked into the suction hole,
A cutter blade rotating together with the single vane impeller by the pump motor unit inside the sieve body and cutting off foreign matter passing through the sieve body by interacting with the sieve body,
A scraper which is installed on the outer surface of the screening apparatus so as to be slidable up and down and removes a foreign matter caught on an outer surface of the screening apparatus from the screening apparatus,
A scraper driving unit that receives the driving force of the pump motor unit and rotates the scraper up and down,
A swinging blade that is connected to the scraper and flexibly flexes in the wastewater tank as the scraper rotates up and down when the scraper is slid up and down to swing the wastewater to float the sediment that has settled in the wastewater tank,
And a wing support extending from the suction casing and rotatably supported by the swinging blade,
An inlet for introducing the wastewater from the wastewater tank is formed between the discharge port and the transfer pipe so as to discharge the fluid back to the suction port to remove the foreign matter caught outside the filtering cell, And a reverse discharge valve unit including an opening / closing door for selectively opening and closing the transfer pipe. delete The method according to claim 1,
The scraper driving unit
A power transmission member connected to the rotation shaft of the pump motor unit and rotated together with the rotation shaft,
An armature plate rotated by the power transmitting member, and
And a power converting link for connecting the scraper to the eccentric portion of the eccentric end plate to convert the rotary motion of the eccentric end plate into an upward and downward reciprocating motion to thereby slide the scraper up and down. Water treatment apparatus.

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