KR102349497B1 - Submersible mixer - Google Patents

Abstract

An underwater agitator according to one embodiment of the present invention comprises: a lifting platform provided to be rotatable around a longitudinal central axis as an axis of rotation since both ends thereof are connected with a storage tank to be rotatable; an agitation unit connected with the lifting platform to be liftable; and a stopper connected with the lifting platform to be liftable and selectively coming in contact with a lower side of the agitation unit to restrict downward movement of the agitation unit. The agitation unit can be connected with the lifting platform to be rotatable in twin axis. The underwater agitator is easily installed in a variety of storage tank environments.

Description

Submersible Mixer {SUBMERSIBLE MIXER}

The present invention relates to an underwater stirrer.

In general, domestic wastewater or industrial wastewater is stored in a large storage tank for purification treatment. In such a wastewater storage tank, various sludges contained in wastewater have a heavier specific gravity than water (wastewater), so they naturally settle to the bottom and aggregate or harden. There was a problem with sticking.

To solve this, an underwater agitator is installed to prevent sludge from being deposited to the bottom while allowing oxygen to be supplied to the water. The submersible agitator is installed inside the storage tank to generate water flow, thereby preventing sludge from settling on the bottom.

However, the conventional underwater agitator is difficult to install on the bottom surface of the inclined storage tank, it is difficult to control the direction of the water flow formed by the underwater agitator, as well as there was a problem that it is not easy to adjust the elevation of the underwater agitator.

Therefore, recently, research on an underwater stirrer that can be easily installed in a storage tank and can easily control the direction of water flow has been demanded.

In addition, depending on the environment in which the submersible agitator is installed, a separate aeration tank may be required. When air is supplied to the contaminated water by the aeration tank, the amount of dissolved oxygen in the contaminated water is increased, thereby improving the purification efficiency.

In this regard, an ultra-fine bubble (UFB) refers to a bubble with a diameter of less than 1 μm, particularly tens to hundreds of nm, and due to its characteristics, water containing a lot of ultra-fine bubbles is cleaned , sterilization, and the like, and can exhibit various advantages due to high oxygen saturation.

Therefore, recently, research for supplying ultrafine bubbles to the contaminated water accommodated in the storage tank is required.

The present invention has been devised to solve the above-mentioned problems, and it is an object of the invention to provide an underwater agitator that is easy to install in various storage tank environments.

In addition, it is an object of the present invention to provide an underwater stirrer that can easily control the direction of the generated water flow.

Another object of the present invention is to provide an underwater agitator capable of supplying ultrafine bubbles to contaminated water.

The underwater agitator according to an embodiment of the present invention includes: a lifting platform having both ends rotatably connected to the storage tank and rotatably provided with a longitudinal central axis as a rotation axis; a stirring unit connected to the lifting platform to be lifted; and a stopper connected to the lifting platform to be elevating and selectively contacting the lower side of the stirring unit to limit the downward movement of the stirring unit, wherein the stirring unit is rotatably connected to the lifting unit in two axes. can

In the underwater agitator according to an embodiment of the present invention, the stirring unit includes: an elevating bracket for elevating along the lifting platform; a rotation bracket rotatably connected to the lifting bracket; and a motor fixed to the rotating bracket, wherein the rotating shaft of the rotating bracket may be provided to be alternate with the rotating shaft of the lifting table.

In the submerged agitator according to an embodiment of the present invention, the lifting bracket includes: a side panel disposed on both sides of the lifting table and rotatably connected to the rotating bracket; a first roller having both ends connected to the front upper portion of the side panel and in contact with the front surface of the lifting platform; a second roller having both ends connected to the front lower portion of the side panel and contacting the front surface of the lifting platform; a third roller having both ends connected to the rear upper portion of the side panel and contacting the rear surface of the lifting platform; and a binding pin for binding the side panel and the rotation bracket.

In the underwater stirrer according to an embodiment of the present invention, a plurality of first angle adjustment holes are formed through the side panel, and a plurality of second angle adjustment holes are formed through the rotation bracket to correspond to the first angle adjustment hole. The binding pin may be coupled through the first angle adjustment hole and the second angle adjustment hole corresponding thereto to bind the side panel and the rotation bracket.

In the underwater agitator according to an embodiment of the present invention, the rotation bracket includes a binding part connected to the motor; an angle adjustment part protrudingly bent from both sides of the binding part and having a plurality of second angle adjustment holes formed therein; and a shaft coupling part protruding and bent parallel to the angle control part from the inside of the coupling part; It may include a; side panel coupling shaft to which both ends are connected to the shaft coupling part and the side panel is rotatably connected.

In the underwater stirrer according to an embodiment of the present invention, both ends of the side panel coupling shaft are connected to the angle adjustment part through the angle adjustment part, and the plurality of the first angle adjustment hole and the second angle adjustment The holes may be disposed on the same virtual circle with respect to both ends of the shaft.

In the underwater stirrer according to an embodiment of the present invention, a rotary joint capable of adjusting an angle may be provided at a lower portion of the lifting table to correspond to the shape of the bottom surface of the storage tank.

In the underwater agitator according to an embodiment of the present invention, the stopper includes: a stopper elevating bracket that is provided to be elevating on the lifting platform; and a support bar connected to the stopper lifting bracket and contacting the stirring unit to limit the downward movement of the stirring unit.

The submerged agitator according to an embodiment of the present invention further includes an ultrafine bubble generating device provided at the front end of the support bar, the ultrafine bubble generating device is screwed to the support bar, and suction passes through the rear end of the outer circumferential surface a first case in which a ball is formed and a discharge through-hole is formed at the front end of the outer circumferential surface; a second case connected to the first case and provided with a driving source inside; a rotating body provided inside the first case and connected to the driving source to rotate when the driving source is driven; and an air supply pipe receiving compressed air from an external compressed air generating device and supplying compressed air to the rear end of the rotating body, wherein the rotating body includes: a rotating shaft connected to the driving source; an ultra-fine bubble supply impeller provided on the outer peripheral surface of the rear end of the rotating shaft; and a plurality of brush strands provided on the outer peripheral surface of the front end of the rotation shaft.

Underwater agitator according to another embodiment of the present invention is a stirring unit to form a water flow; and a lifting stand on which the stirring unit is capable of lifting and lowering, wherein the stirring unit includes: a motor connected to an external power source and driven; and an impeller connected to the motor to generate a water flow when the motor rotates, wherein the impeller includes: a boss connected to the shaft of the motor; a blade provided on the outer circumferential surface of the boss and including a spoiler bent to the front; and a winglet protruding from the rear surface of the blade.

In addition, the winglet may be provided at the outer circumferential end of the blade, extend from the leading edge of the blade to the spoiler, and include at least a portion of a height increasing section in which the height is increased.

In addition, the height increase section may be formed on the rear surface of the spoiler.

In addition, a stopper connected to the lifting platform to be elevating and selectively contacting the lower side of the stirring unit to limit the downward movement of the stirring unit; may further include.

In addition, a fixing piece coupled to the lower surface of the motor and provided with an inner surface corresponding to the outer surface of the stopper to be seated on the upper surface of the stopper when the motor descends by a predetermined distance or more to limit the movement of the motor; may include more.

In addition, the stopper may include: a stopper elevating bracket provided to be elevated on the lifting platform; and a support bar connected to the stopper lifting bracket and contacting the stirring unit to limit the downward movement of the stirring unit.

In addition, an ultra-fine bubble generating rotating body may be inserted and coupled to the front portion of the impeller.

In addition, the ultra-fine bubble generating rotating body may include an ultra-fine bubble generating rotating shaft inserted into the front part of the impeller; and a plurality of brushes connected to an outer circumferential surface of the ultrafine bubble generating rotation shaft.

The underwater agitator according to another embodiment of the present invention includes: a lifting platform having both ends rotatably connected to a storage tank in which contaminated water is accommodated and rotatably provided with a longitudinal central axis as a rotation axis; a stirring unit connected to the lifting platform to be lifted; and an elevating module provided at an upper portion of the storage tank and connected to the stirring unit through an opening provided at the upper portion of the storage tank to elevate the stirring unit; and a stopper connected to the lifting platform to be elevating and selectively contacting the lower side of the stirring unit to limit the downward movement of the stirring unit.

The underwater agitator according to an embodiment of the present invention has the effect of easy installation in various storage tank environments.

In addition, the underwater agitator according to an embodiment of the present invention has the effect of easy control of the direction of the generated water flow.

In addition, the underwater agitator according to an embodiment of the present invention has the effect of supplying ultra-fine bubbles to the contaminated water.

1 is a schematic partial perspective view of a storage tank installed with an underwater agitator according to an embodiment of the present invention.
Figure 2 is a schematic partial perspective view of a storage tank installed with an underwater agitator according to an embodiment of the present invention viewed from an angle different from Figure 1 .
Figure 3 is a schematic perspective view showing the coupling relationship of the stirring unit and the lifting rod of the underwater stirrer according to an embodiment of the present invention.
Fig. 4 is a schematic side view of Fig. 3;
5 is a schematic bottom perspective view of a stirring unit according to an embodiment of the present invention.
6 is a schematic plan view of a stirring unit according to an embodiment of the present invention.
7 is a schematic bottom view of a stirring unit according to an embodiment of the present invention.
8 is a schematic exploded perspective view of a stirring unit according to an embodiment of the present invention.
9 is a schematic exploded bottom perspective view of a stirring unit according to an embodiment of the present invention.
10 is a schematic perspective view of an impeller provided in a stirring unit according to another embodiment of the present invention.
11 is a schematic perspective view of an impeller provided in a stirring unit according to another embodiment of the present invention.
12 is a schematic exploded perspective view of FIG. 11 ;
13 is a schematic cross-sectional view of an apparatus for generating ultrafine bubbles according to an embodiment of the present invention.

Hereinafter, specific embodiments for implementing the spirit of the present invention will be described in detail with reference to the drawings.

In addition, in the description of the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

In addition, when it is said that a component is 'connected', 'supported', or 'contacted' to another component, it may be directly connected, supported, or contacted with the other component, but it is understood that other components may exist in the middle. it should be

The terminology used herein is only used to describe specific embodiments and is not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise.

In addition, in the present specification, the expressions of the upper side, the lower side, the side, etc. are described with reference to the drawings, and it is to be noted in advance that if the direction of the corresponding object is changed, it may be expressed differently. For the same reason, some components are exaggerated, omitted, or schematically illustrated in the accompanying drawings, and the size of each component does not fully reflect the actual size.

Also, terms including an ordinal number such as 1st, 2nd, etc. may be used to describe various components, but the components are not limited by these terms. These terms are used only for the purpose of distinguishing one component from another.

The meaning of "comprising," as used herein, specifies a particular characteristic, region, integer, step, operation, element and/or component, and other specific characteristic, region, integer, step, operation, element, component, and/or group. It does not exclude the existence or addition of

1 is a schematic partial perspective view of a reservoir in which an underwater agitator is installed according to an embodiment of the present invention, and FIG. 2 is a schematic perspective view of an opening of a reservoir in which an underwater agitator is installed according to an embodiment of the present invention as viewed from a different angle from FIG. to be.

1 and 2, the underwater agitator 1 according to an embodiment of the present invention may be installed in the storage tank 100 in which the contaminated water is introduced and accommodated, and both ends are rotatable in the storage tank 100. The lifting table 200 is connected, the stirring unit 300 connected to the lifting platform 200 to be elevating, and the stirring unit 300 connected to the lifting stand 200 and selectively contacting the lower side of the stirring unit 300 ( The stopper 400 for limiting the downward movement of 300 and the stirring unit 300 are connected to the stirring unit 300 through the opening 110 provided at the top of the storage tank 100 and provided at the top of the storage tank 100 . ) may include an elevating module 500 for elevating.

The storage tank 100 may refer to various facilities into which a purification target fluid, such as contaminated water and wastewater, flows. The storage tank 100 may include an internal space S1 in which wastewater is accommodated, and the wastewater flows into the storage tank 100 or discharged from the storage tank 100 through a separate inlet (not shown) and an outlet (not shown). can be

The lifting table 200 may be provided to guide the lifting movement of the stirring unit 300 or to rotate the stirring unit 300 . The lifting table 200 includes, as an example, a rotary joint 210 fixedly installed on the bottom surface of the storage tank 100 , a guide pillar 220 for guiding the lifting and lowering movement of the stirring unit 300 , a rotary joint 210 and It may include a first connector 230 rotatably connecting one end of the guide pillar 220 and a second connector 240 rotatably connecting the other end of the guide pillar 220 and the reservoir 100 . (See Fig. 3).

The rotary joint 210 may be fixedly installed on the bottom surface of the storage tank 100 . For example, the rotary joint 210 may be screwed to the bottom surface of the storage tank 100 . The first connector 230 may be rotatably connected to the rotation joint 210 . Also, the first connector 230 may be rotatably connected to a lower end of the guide pillar 220 . In this case, the rotational shaft on which the rotary joint 210 rotates with respect to the first connector 230 and the rotational shaft on which the first connector 230 rotates with respect to the guide pillar 220 may be alternately provided. can be perpendicular to each other.

As such, by providing the rotation joint 210 rotatably with respect to the first connector 230 and rotatably with the first connector 230 with respect to the guide pillar 220 , the rotation joint 210 is coupled. The surface 211 may be provided to be rotatable in two axes. Therefore, by adjusting the angle of the coupling surface 211 of the rotary joint 210 in response to the inclination of the bottom surface of the storage tank 100, the rotary joint 210 can be easily fixed to the bottom surface of the storage tank 100. .

The guide pillar 220 may be disposed to extend in the vertical direction of the storage tank 100 . The stirring unit 300 may be connected to the guide pillar 220 to be liftable. The stirring unit 300 may ascend or descend along the guide pillar 220 . One end of the guide pillar 220 may be rotatably connected to the first connector 230 , and the other end of the guide pillar 220 may be rotatably connected to the second connector 240 . Both ends of the guide pillar 220 are rotatably connected to the storage tank 100 so that the guide pillar 220 can rotate. In this case, the rotation axis is in the longitudinal direction of the guide pillar 220, that is, based on It may be parallel to the z-axis direction.

Figure 3 is a schematic perspective view showing the coupling relationship of the agitation unit and the lifting rod of the underwater stirrer according to an embodiment of the present invention, Figure 4 is a schematic side view of Figure 3, Figure 5 is a stirring unit according to an embodiment of the present invention is a schematic bottom perspective view of, FIG. 6 is a schematic plan view of a stirring unit according to an embodiment of the present invention, FIG. 7 is a schematic bottom view of a stirring unit according to an embodiment of the present invention, and FIG. 8 is an embodiment of the present invention A schematic exploded perspective view of the stirring unit according to the embodiment, Figure 9 is a schematic exploded bottom perspective view of the stirring unit according to an embodiment of the present invention.

Hereinafter, the detailed configuration of the stirring unit 300 will be described with further reference to FIGS. 3 to 9 .

The agitation unit 300 may be connected to the lifting table 200 to be liftable. The stirring unit 300 may be provided to generate a water flow in the fluid accommodated in the storage tank 100 . The stirring unit 300 is, for example, an elevating bracket 310 elevating along the lifting table 200, a rotating bracket 320 rotatably connected to the elevating bracket 310, and fixed to the rotating bracket 320 and external It may include a motor 330 connected to a power source to drive, and an impeller 340 connected to the motor 330 to generate a water flow in the storage tank 100 when the motor 330 rotates.

The lifting bracket 310 is disposed on both sides of the lifting platform 200 , that is, on both sides of the guide pillar 220 , the side panel 311 to which the rotation bracket is rotatably connected, and both ends are the front upper portion of the side panel 311 . A first roller 312 connected to and in contact with the front surface of the lifting platform 200, both ends of which are connected to the lower front of the side panel 311 and a second roller 313 contacting the front surface of the lifting platform 200 , a third roller 314 having both ends connected to the rear upper portion of the side panel 311 and contacting the rear surface of the lifting table 200 and a binding pin 315 for binding the side panel 311 and the rotation bracket 320 . ) may be included.

The side panel 311 may be provided as a pair of plates having shapes corresponding to each other. The pair of plates may be connected by a first roller 312 , a second roller 313 , and a third roller 314 . In other words, since both ends of the first roller 312 , the second roller 313 , and the third roller 314 are coupled to the side panel 311 , the pair of side panels 311 may be connected to each other.

A plurality of first angle adjusting holes 311a may be formed through the side panel 311 , and a plurality of second angle adjusting holes 322a may be formed in the rotation bracket 320 to correspond to the first angle adjusting hole 311a. This through can be formed. The first angle adjusting hole 311a and the second angle adjusting hole 322a may be formed on an imaginary circumference having the same diameter. The binding pin 315 may be coupled through the first angle adjustment hole 311a and the second angle adjustment hole 322a to bind the side panel 311 and the rotation bracket 320 .

The rotation bracket 320 may be rotatably connected to the side panel 311 . At this time, when the rotation bracket 320 rotates with respect to the side panel 311 , the rotation axis may be provided to be staggered from the rotation axis of the lifting table 200 . The rotation bracket 320 is rotatable in association with the rotational movement of the lifting table 200, and is rotatable with respect to the side panel 311, so it may be rotatable in two axes. At this time, the motor 330 connected to the rotation bracket 320 may also be capable of two-axis rotation together with the rotation bracket 320 , and as a result, the stirring unit 300 may perform a two-axis rotation movement. In other words, by rotating the lifting table 200 to which the stirring unit 300 is connected, the stirring unit 300 is rotated about the z-axis, or the stirring unit 300 is rotated about the y-axis by rotating the rotating bracket 320 It can be done (see FIG. 3). By rotating the stirring unit 300 in this way, the underwater agitator 1 according to an embodiment of the present invention has an effect of facilitating the direction control of the water flow generated in the storage tank 100 .

The rotation bracket 320 includes a binding part 321 connected to the motor 330, an angle adjusting part 322 protrudingly bent from both sides of the binding part 321 and having a plurality of second angle adjusting holes 322a formed therein, binding. Both ends are connected to the shaft coupling part 323 and the shaft coupling part 323 protruding and bent parallel to the angle adjustment part 322 from the inside of the part 321 and the side panel 311 is rotatably connected A panel coupling shaft 324 may be included.

Both ends of the side panel coupling shaft 324 may pass through the angle adjustment part 322 and be connected to the angle adjustment part 322 . In this case, the first angle adjusting hole 311a and the second angle adjusting hole 322a may be disposed on the same virtual circle centering on both ends of the side panel coupling shaft 324 .

The motor 330 may be driven by being connected to a separate external power source. For example, an external power connector 331 may be provided on the upper surface of the motor 330 , and cable power is connected to the external power connector 331 to drive the motor 330 .

The lower surface of the motor 330 is provided in a shape corresponding to the outer surface of the stopper 400 and is seated on the upper surface of the stopper 400 when the motor 330 descends by a predetermined distance or more to limit the movement of the motor fixing piece 360 ) may be provided.

The motor 330 may include an impeller 340 and an impeller case 350 provided to surround the impeller 340 . The impeller 340 may pressurize the fluid contained in the storage tank 100 by rotating when the motor 330 is driven to generate a water flow. The impeller case 350 may be provided to surround the impeller 340 to protect the impeller 340 , and may determine the direction of the water flow generated by the impeller 340 .

The impeller case 350 is connected to the upper part of the motor 330 to cover the upper case 351, the front end of the motor 330, and the front case 352 to surround the impeller 340 and determine the direction of the water flow. ) and may include a leg 353 connected to the lower portion of the motor 330 . The upper case 351 may be connected to the motor 330 by a separate connecting member 351a. A plurality of through-holes may be formed in the connecting member 351a to be connected to the elevating module 500 by a separate cable. A cutout 351b may be formed in the upper case 351 . The cutout 351b may prevent the cable of the elevating module 500 from interfering with the upper case 351 when it is connected to the connecting member 351a. The leg 353 may prevent the stirring unit 300 from rolling when the stirring unit 300 is separated from the lifting table 200 for reasons such as maintenance/repair.

The structure of the impeller 340 is changeable. Referring to FIG. 10 , the impeller 340 may include a winglet 343 . For example, the impeller 340 is a boss 341 connected to the shaft of the motor, a blade 342 including a spoiler 342a provided on the outer circumferential surface of the boss 341 and bent to the front, and the blade 342 of the It may include a winglet 343 protruding from the rear surface. The winglet 343 may be provided at the outer circumferential end of the blade 342 . The winglet 343 may extend from the leading edge 342b of the blade 342 to the spoiler 342a, and may partially include a height increase section t1 in which the height increases. In this case, the height increase section t1 may mean a section of the winglet 343 formed on the rear surface of the spoiler 342a.

11 and 12 , the impeller 340 may include an ultra-fine bubble generating rotor 344 . The ultra-fine bubble generation rotating body 344 may form an ultra-fine bubble by hitting the air contained in the fluid pressurized by the impeller 340 .

The ultra-fine bubble generating rotor 344 is, for example, an ultra-fine bubble generating rotation shaft 344a inserted into the front end of the impeller 340 and a plurality of brushes 344b provided on the outer circumferential surface of the ultra-fine bubble generating shaft 344a ) may be included. When the impeller 340 rotates, the brush 344b strikes/pulverizes air bubbles to form ultra-fine bubbles.

On the other hand, the stopper 400 may be connected to the lifting platform 200 to be elevating. The stopper 400 may be disposed under the stirring unit 300 to limit the downward movement of the stirring unit 300 . In other words, when the stirring unit 300 descends more than a predetermined depth, the fixing piece 360 of the stirring unit 300 is in contact with the stopper 400, the downward movement of the stirring unit 300 may be limited.

The stopper 400 is, for example, connected to the stopper elevating bracket 410 and the stopper elevating bracket 410 provided to be elevated on the lifting table 200 and is connected to the stirring unit 300, more specifically the stirring unit 300. It may include a support bar 420 that selectively contacts the fixing piece 360 to limit the downward movement of the stirring unit 300 .

Referring to FIG. 13 , the support bar 420 may limit the downward movement of the stirring unit 300 , and at the front end of the support bar 420 , ultra-fine bubbles supplying ultra-fine bubbles to the stirring unit 300 . A generator 430 may be provided.

13, the ultrafine bubble generating device 430 is screwed to the support bar 420, the suction through hole 431a is formed at the rear end of the outer circumferential surface, and the discharge through hole 431b is formed at the front end of the outer circumferential surface. A first case 431 , a second case 432 connected to the first case 431 and provided with a driving source 432a inside, a driving source provided inside the first case 431 and connected to the driving source 432a (432a) may include an air supply pipe 434 for supplying compressed air to the rear end of the rotating body 433 by receiving compressed air from the rotating body 433 and an external compressed air generating device that rotates when driving.

A sealing plate 431c may be provided between the first case 431 and the second case 432 . The rotating shaft 433a of the rotating body 433 may be rotatably connected through the sealing plate 431c.

A suction through-hole 431a may be formed at the rear end of the outer peripheral surface of the first case 431, and the fluid accommodated in the reservoir 100 may be introduced into the first case 431 through the suction through-hole 431a. . The rotating body 433 may be connected to the driving source 432a to be rotatable at high speed. The rotating body 433 may pulverize the air supplied to the fluid flowing into the first case 431 to generate ultra-fine bubbles.

The rotating body 433 is, for example, a rotating shaft 433a having one end connected to the driving source 432a, an ultrafine bubble supply impeller 433b provided on the outer peripheral surface of the rear end of the rotating shaft 433a, and the front end of the rotating shaft 433a. It may include a plurality of sole strands 433c provided on the outer circumferential surface.

A compressed air generating device (not shown) is a member for supplying compressed air, and may be provided outside the storage tank 100 or connected to one side of the storage tank 100 . The compressed air generating device may be connected to the ultrafine bubble generating device 430 through a separate pipe member p, and the pipe member p is, for example, the inner space of the lifting table 200 and the inside of the support bar 420 . Can be installed in space. At this time, the power cable for driving the driving source 432a may also extend through the inner space of the lifting table 200 and the support bar 420 to be connected to the driving source 432a.

The ultrafine bubbles generated by the ultrafine bubble generating device 430 may be introduced into the front case 352 and be included in the water flow generated by the impeller 340 .

When the process in which the ultrafine bubbles are supplied to the stirring unit 300 by the ultrafine bubble generating device 430 is described, the first case 431 through the suction through hole 431a when the driving source 432a is driven into the inside. The fluid of the storage tank 100 may be introduced, and air may be supplied to the introduced fluid through an air supply pipe 434 . Then, as the rotating body 433 rotates, it is possible to generate ultra-fine bubbles by striking and pulverizing the air contained in the fluid, and the fluid in which the ultra-fine bubbles are generated is discharged through the discharge through-hole 431b, and the stirring unit 300 ) can be supplied.

On the other hand, the upper portion of the storage tank 100 may be provided with a lifting module 500. The lifting module 500 is rotatably connected to a handle 520 for winding or unwinding a cable and a storage tank 100 by rotating a pulley 510 and a pulley 510 on which the cable is wound, and the pulley 510 and the handle 520 ) may include a post 530 installed. A cable (not shown) wound around the pulley 510 may be connected to the stirring unit 300 . For example, the cable may pass through the cutout 351b and be connected to the through hole of the connecting member 351a.

The user may rotate the handle 520 of the elevating module 500 to elevate the stirring unit 300 . In addition, the user can adjust the rotation angle about the z-axis of the stirring unit 300 by rotating the elevating module (500).

Although the embodiments of the present invention have been described as specific embodiments, these are merely examples, and the present invention is not limited thereto, and should be construed as having the widest scope according to the basic idea disclosed in the present specification. A person skilled in the art may implement a pattern of a shape not specified by combining/substituting the disclosed embodiments, but this also does not depart from the scope of the present invention. In addition, those skilled in the art can easily change or modify the disclosed embodiments based on the present specification, and it is clear that such changes or modifications also fall within the scope of the present invention.

1: submersible agitator 100: reservoir
200: lifting platform 210: rotary joint
220: guide pillar 230: first connector
240: second connector 300: stirring unit
310: lifting bracket 320: rotating bracket
330: motor 340: impeller
350: impeller case 360: fixed piece
400: stopper 410: stopper lifting bracket
420: support bar 430: ultra-fine bubble generating device
500: elevating module 510: pulley
520: handle 530: holding

Claims (7)

a lifting table having both ends rotatably connected to a storage tank in which the contaminated water is accommodated and rotatably provided with a longitudinal central axis as a rotation axis;
a stirring unit connected to the lifting platform to be elevating;
a lifting module provided in the upper part of the storage tank and connected to the stirring unit through an opening provided in the upper part of the storage tank to elevate the stirring unit; and
A stopper connected to the lifting platform so as to be elevating and selectively contacting the lower side of the stirring unit to limit the downward movement of the stirring unit;
The elevating module is
a pulley on which the cable is wound;
a handle for winding or unwinding a cable by rotating the pulley; and
Including; is rotatably connected to the storage tank and the pulley and the handle is installed;
The stirring unit is
Elevating bracket for elevating along the lifting platform;
a rotation bracket rotatably connected to the lifting bracket; and
It is fixed to the rotation bracket and includes an impeller and a motor including an impeller case provided to surround the impeller.
underwater agitator. delete delete According to claim 1,
The impeller case may include an upper case connected to an upper portion of the motor and covering an upper portion of the motor;
a front case connected to the front end of the motor to surround the impeller and determine the direction of the water flow; and
Including; a leg connected to the lower part of the motor
submersible agitator 5. The method of claim 4,
The upper case includes a connecting member having a plurality of through holes to be connected to the elevating module and the cable,
A cutout is formed in the upper case to prevent interference with the cable of the elevating module,
underwater agitator. According to claim 1,
The stopper is
a stopper elevating bracket provided so as to elevate the lifting platform; and
A support bar connected to the stopper elevating bracket and in contact with the stirring unit to limit the downward movement of the stirring unit; including,
submersible agitator 7. The method of claim 6,
Further comprising an ultra-fine bubble generating device provided at the front end of the support bar,
The ultrafine bubble generating device,
a first case screw-coupled to the support bar, a suction through-hole formed at a rear end of an outer circumferential surface, and a discharge through-hole formed at a front end of the outer circumferential surface;
a second case connected to the first case and provided with a driving source inside;
a rotating body provided inside the first case and connected to the driving source to rotate when the driving source is driven; and
Includes; an air supply pipe for receiving compressed air from an external compressed air generating device and supplying compressed air to the rear end of the rotating body;
The rotating body is
a rotating shaft connected to the drive source;
an ultra-fine bubble supply impeller provided on the outer peripheral surface of the rear end of the rotating shaft; and
A plurality of brush strands provided on the outer peripheral surface of the front end of the rotation shaft;
underwater agitator.

Images