KR100899876B1 - Water horizontal type agitator and apparatus for adjusting direction of agitating - Google Patents

Abstract

Stirring direction reciprocating device according to the invention the housing; A drive unit installed in the housing; A rotary arm rotated by the drive unit; A rack member installed to be linearly movable at a predetermined distance from the rotating arm; A connecting link having one side pinned to the rotary arm and the other side pinned to the rack member; It is engaged with the rack member is installed to be rotatable, the center includes a pinion is formed with a rectangular fastening hole for the rotation of the support shaft of the stirrer.

According to the present invention, since the stirring direction of the stirrer can be reciprocally rotated automatically and continuously, the homogeneous stirring speed of the entire reaction tank is maintained, as well as the dead space is removed to effectively prevent the bulking phenomenon caused by the microbial rot in advance. It can prevent and improve sewage treatment effect.

Stirring, Pin Bonding, Connecting Link, Rack, Pinion

Description

Water Horizontal Type Agitator and Apparatus for Adjusting Direction of Agitating}

The present invention relates to an underwater horizontal stirring device and a stirring direction reciprocating device, which is connected directly to a support shaft supporting a stirrer, to an underwater horizontal stirring device and a stirring direction reciprocating device capable of automatically and continuously reciprocating the stirring direction. It is about.

The sewage treatment method of the sewage treatment plant has been planned and spread mainly by the activated sludge method at the early stage of introduction, but recently, it has been newly established or changed to the advanced treatment method for the improved design of the new sewage treatment plant or the sewage treatment plant under the influence of nitrogen and phosphorus.

The characteristics of the advanced treatment method are mostly composed of anaerobic, anaerobic, and aerobic complex processes for the removal of nitrogen, phosphorus in the sewage and stabilization of biological treatment. More than 30 advanced treatment methods are introduced in Korea. Is operating.

In the treatment method of the advanced treatment method, the agitator of anaerobic tank and anoxic tank is applied and installed in a horizontal stirrer.

The installation method of the underwater horizontal stirring apparatus is installed in the wall side or the corner side, and it is designed so that a stirring direction may be directed only to one direction to the center of a reaction tank.

In order to change the stirring direction (stirring angle), it is common for an operator to operate the handle of the support shaft which supports the stirrer at the upper part of the stirrer (impeller) manually (with a manpower), and to adjust the stirring direction of the stirrer.

1 is a view showing a general underwater transverse stirring device.

Referring to FIG. 1, a support shaft (support shaft) 2 is vertically installed on the wall side of the reactor 1, and an agitator (impeller) 10 is installed on the support shaft 2 so as to be movable up and down. It is. The support shaft 2 is fixed to the ground (or wall) by the support 3.

The support shaft 2 is fixedly provided with a handle 4 for manually adjusting the stirring direction of the stirrer 10. And the upper part of the support shaft 2 is provided with the lifting device 5 for lifting the stirrer 10. As shown in FIG.

However, in the case of the conventional underwater lateral stirring device, since the stirring direction can be changed only by manually adjusting the handle of the support shaft every time, it is difficult to maintain the homogeneous stirring speed of the entire reaction tank because the stirring state or the sedimentation prevention is not solved. There is a disadvantage in that the dead space is not made (Dead Space), the microbial activity is not properly made due to the bulking phenomenon caused by the decay of some microorganisms, the treatment effect is reduced.

The present invention is to solve the above problems, an object of the present invention is to adjust the stirring direction of the stirrer automatically and continuously, to maintain a homogeneous stirring speed of the entire reaction tank as well as to remove the dead space due to microbial decay The present invention provides an underwater horizontal stirring device and a stirring direction reciprocating device that can effectively prevent a bulking phenomenon in advance to increase the sewage treatment effect.

In order to achieve the above object, the present invention provides an underwater horizontal stirring device and a stirring direction reciprocating device.

Underwater transverse stirring device of the present invention is a stirrer installed inside the reactor for the stirring of the reaction tank; A support shaft fixedly installed perpendicular to the reactor to support the stirrer; A stirring direction reciprocating device connected to the support shaft to reciprocate the stirring direction of the stirrer; And a reciprocating bracket fixed to the support shaft for connecting (fastening) the stirring direction reciprocating device to the support shaft.

The reciprocating bracket includes a main bracket having a head portion formed on one side; And an auxiliary bracket for fixing the main bracket to the support shaft through a bolt.

Stirring direction reciprocating device according to a first embodiment of the present invention is a housing; A drive unit installed in the housing; A rotary arm rotated by the drive unit; A rack member installed to be linearly movable at a predetermined distance from the rotating arm; A connecting link having one side pinned to the rotary arm and the other side pinned to the rack member; It is engaged with the rack member is installed rotatably, and includes a pinion in the center is formed a rectangular fastening hole for rotation of the support shaft of the stirrer.

It is preferable that a guide rail for guiding the linear motion of the rack member is installed in the housing.

On the other hand, the stirring direction reciprocating device according to a second embodiment of the present invention is a housing; A drive unit installed in the housing; A first rotating arm connected with the drive unit to be rotated by the drive unit; A rack member installed in a linear motion with a predetermined distance from the first rotating arm; A first connection link having one side pinned to a first rotational arm and the other side pinned to the rack member; A pinion engaged with the rack member and rotatably installed in the housing; A second rotating arm integrally formed with the pinion; A second connecting link pinned to the second rotating arm; One end includes a clevis joint coupled to the end of the second connecting link and the other end coupled to a reciprocating bracket fastened to a support shaft supporting the stirrer.

When the first rotational arm rotates forward 360 °, the pinion and the second rotational arm rotate 360 ° forward or reverse and the reciprocating bracket can rotate up to 120 °.

The clevis joint may be detachably configured from the second connection link.

One end of the clevis joint may be fastened to the second connection link, and the other end of the clevis joint may be fastened to the reciprocating bracket.

As described above, in the related art, the operator rotates the support shaft by moving the handle of the support shaft supporting the stirrer manually (by human force) to the left or right, but the stirring direction of the stirrer (impeller) is adjusted. Not only is it difficult to adjust the stirring direction, but it is difficult to maintain a homogeneous stirring speed of the entire reaction tank, and a problem that a dead space occurs has occurred. In the present invention, a support shaft supporting the existing agitator is provided. The stirring direction reciprocating device can be directly fastened or the reciprocating bracket can be fastened and the stirring direction reciprocating device can be connected (fastened) to the reciprocating bracket to conveniently and accurately adjust the stirring direction of the stirrer. Therefore, in the present invention, it is possible to effectively prevent the bulking phenomenon due to the decay of microorganisms in advance by maintaining the homogeneous stirring speed of the entire reaction tank as well as removing the dead space, thereby improving the sewage treatment effect.

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

2 is a view showing a horizontal lateral stirring device according to a first embodiment of the present invention, Figure 3 is a side view showing a stirring direction reciprocating device according to a first embodiment of the present invention, Figure 4 is 1 is a plan view illustrating a stirring direction reciprocating device according to an embodiment.

2 to 4, the horizontal underwater stirring device of the present invention includes a stirrer (impeller) 10 installed inside the reaction tank 1 for stirring the reaction tank 1; A support shaft (2) fixedly installed perpendicular to the reactor (1) to support and install the stirrer (10); And a stirring direction reciprocating device 100 connected to the support shaft 2 to rotate the stirring direction of the stirrer 10.

The horizontal underwater stirring device of the present invention is a stirring direction reciprocating device 100 for automatically reciprocating the stirring direction of the stirrer (impeller) 10, the support shaft 2 for supporting the stirrer 10 and the stirrer 10 automatically By including all, the stirring direction reciprocating device 100 is additionally installed on the existing support shaft 2, it is possible to reciprocate the stirring direction of the stirrer 10.

Hereinafter, two embodiments will be described. In the first embodiment, a structure in which the stirring direction reciprocating device is directly coupled to the support shaft will be described. In the second embodiment, the support shaft and the stirring direction reciprocating direction are provided through the reciprocating bracket. The structure for fastening the device will be described.

First, referring to FIGS. 3 and 4, the stirring direction reciprocating rotary device 100 according to the first embodiment of the present invention will be described as follows.

Stirring direction reciprocating device 100 according to the first embodiment of the present invention comprises a housing (110); A driving unit 120 installed in the housing 110; A rotary arm 130 rotated by the drive unit 120; A rack member 140 installed in a linear motion with a predetermined distance from the rotation arm 130; One side is connected to the rotary arm 130, the pin (P1), the other side is connected to the rack member 140 and the pin (P2) connecting link 150; And a pinion 160 which is engaged with the rack member 140 and rotatably installed, and has a square fastening hole H1 for rotating the support shaft 2 of the stirrer 10 at the center thereof. Include.

When the pinion 160 is rotated at an angle, the rotational force of the pinion 160 is transmitted to the support shaft 2, so that the stirrer 10 can be reciprocally rotated at an angle.

It is preferable that a guide rail R for guiding the linear motion of the rack member 140 is installed in the housing 110.

The installation and operation of the underwater horizontal stirring device according to the first embodiment of the present invention configured as described above and the stirring direction reciprocating device thereof will be described as follows.

First, the support shaft 2 is inserted into the rectangular fastening hole H1 of the pinion 160. At this time, since the shape of the support shaft 2 is also formed in a square, the pinion 160 and the support shaft 2 is a structure that can rotate in conjunction with the support shaft (2) by the rotation of the pinion (160). Are fastened to each other.

Then, the stirring direction reciprocating device 100 is fixed by conventional fastening means, for example, bolts, welding, or the like so as not to move arbitrarily.

As described above, the operation of automatically adjusting the stirring direction in the state in which the mounting of the stirring direction reciprocating device 100 is completed is as follows.

First, when the driving unit 120 operates to rotate the rotary arm 130, the connection link 150 coupled to the pin P1 to the rotary arm 130 reciprocates in conjunction with the rotary arm 130.

By the operation of the connecting link 150, the rack member 140 coupled to the pin (P2) to the connecting link 150 is guided to the guide rail (R) to reciprocate in a straight line. By the linear reciprocating movement of the rack member 140, the pinion 160 engaged with the rack member 140 reciprocates.

By the reciprocating rotation of the pinion 160, the rotational force of the pinion 160 is reciprocally rotated in conjunction with the support shaft 2 and the stirrer 10. As the pinion 160 is reciprocated at a predetermined angle, for example, 120 °, the stirring direction of the stirrer 10 coupled to the support shaft 2 is also reciprocated at 120 °.

The size of the rotation angle of the pinion 160 can be appropriately adjusted by changing the diameter of the rotation arm 130 and the diameter of the pinion 160.

On the other hand, Figure 5 is a view showing an underwater lateral stirring device according to a second embodiment of the present invention, Figure 6 is a plan view showing a reciprocating bracket of the stirring direction reciprocating rotating device according to a second embodiment of the present invention, 7 and 8 are views for explaining the operation of the stirring direction reciprocating device according to the second embodiment of the present invention.

Referring to FIG. 5, the horizontal underwater stirring device of the present invention includes a stirrer (impeller) 10 installed inside the reactor 1 for agitation of the reactor 1; A support shaft (2) fixedly installed perpendicular to the reactor (1) to support and install the stirrer (10); A stirring direction reciprocating rotating device (200) connected with the support shaft (2) to rotate the stirring direction of the stirrer (10); And a reciprocating bracket 60 fixed to the support shaft 2 to connect the stirring direction reciprocating device 200 to the support shaft 2.

6, the reciprocating bracket 60 of the present invention includes a main bracket 61 having a head portion 61a formed on one side thereof; And an auxiliary bracket 63 which fixes the main bracket 61 to the support shaft 2 through a bolt B.

7 and 8, the stirring direction reciprocating device 200 according to the second embodiment of the present invention includes a housing 210; A driving unit 220 installed in the housing 210; A first rotating arm 230 connected with the driving unit 220 to be rotated by the driving unit 220; A rack member 240 installed in a linear motion with a predetermined distance from the first rotating arm 230; A first connection link 250 having one side coupled to the first rotary arm 230 with a pin P1 and the other side coupled with the rack member 240 and a pin P2; A pinion 260 meshed with the rack member 240 and rotatably installed in the housing 210; A second rotating arm 270 integrally formed with the pinion 260; A second connection link 280 coupled to the second rotary arm 270 with a pin P3; One end is a clevis coupled to the end of the second connecting link 280 pin (P4) and the other end is coupled to the reciprocating bracket (60) fastened to the support shaft (2) supporting the stirrer (10) A joint 290.

A long hole S is formed at an end of the second connection link 280, and the pin P3 is inserted into the long hole S. This is to enable the reciprocating rotational movement of the second connection link 280.

When the first rotating arm 230 rotates forward by 360 °, the pinion 260 and the second rotating arm 270 rotate forward or reverse 360 ° and the reciprocating bracket 60 reciprocates up to 120 °. Can rotate

The clevis joint 290 may be detachably configured from the second connection link 280.

One end of the clevis joint 290 may be fastened to the second connection link 280, and the other end of the clevis joint 290 may be fastened to the reciprocating bracket 60.

The clevis joint 290 is a member for transmitting power, the shape and the material is preferably used by the operator to suit the working conditions.

The installation and operation of the underwater transverse stirring device and its stirring direction reciprocating device according to the second embodiment of the present invention configured as described above are as follows.

First, the stirring direction reciprocating apparatus 200 and the support shaft 2 are connected using the reciprocating bracket 60. More precisely, after the support shaft 2 is positioned at the end section of the main bracket 61, the reciprocating bracket 60 is fastened by fastening the auxiliary bracket 63 with the bolt B on the opposite side thereof. ) Is firmly fixed to the support shaft (2).

Then, the stirring direction reciprocating device 200 is fixed by normal fastening means, for example, bolts, welding, or the like so as not to move arbitrarily.

Here, the installation order of the stirring direction reciprocating device 200 and the reciprocating bracket 60 can be changed according to the working conditions.

Then, one end of the clevis joint 290 is fixed to the head 61a of the reciprocating bracket 60.

As described above, the operation of automatically reciprocating the stirring direction in the state in which the mounting of the stirring direction reciprocating device 200 is completed is as follows.

First, when the driving unit 220 is operated to rotate the first rotary arm 230, the first connection link 250 coupled to the pin P1 to the first rotary arm 230 is the first rotary arm 230. ) Is reciprocated in conjunction with

By the operation of the first connecting link 250, the rack member 240 coupled to the pin (P2) to the first connecting link 250 is guided to the guide rail (R) reciprocating in a straight line. By the linear reciprocating movement of the rack member 240, the pinion 260 and the second rotary arm 270 engaged with the rack member 240 rotate about the central axis 260a.

By rotation of the pinion 260 and the second rotary arm 270, the rotational force of the pinion 260 and the second rotary arm 270 causes the second connecting link 280, clevis joint 290, reciprocating The rotary bracket 60, the support shaft (2) and the stirrer 10 are reciprocally rotated.

 Due to this series of power transmission, the stirring direction of the stirrer 10 is automatically and continuously reciprocatingly rotated.

As described above, in the present invention, by directly fastening the stirring direction rotating device to the support shaft or by using the reciprocating bracket to fasten the stirring direction reciprocating rotating device to the support shaft, the homogeneous stirring speed of the entire reaction tank is of course maintained. By removing the dead space, it is possible to effectively prevent the bulking phenomenon caused by the decay of microorganisms, thereby improving the sewage treatment effect.

In the detailed description of the present invention, a preferred embodiment of the present invention has been described, but those skilled in the art to which the present invention pertains various modifications can be made without departing from the scope of the invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the claims below, but also by the equivalents of the claims.

1 is a view showing a general underwater transverse stirring device.

2 is a view showing an underwater horizontal stirring apparatus according to a first embodiment of the present invention.

3 is a side view showing the stirring direction reciprocating device according to the first embodiment of the present invention.

Figure 4 is a plan view showing a stirring direction reciprocating device of the present invention.

5 is a view showing the installation of the stirring direction reciprocating device according to a second embodiment of the present invention.

Figure 6 is a plan view showing a reciprocating bracket of the stirring direction reciprocating device according to a second embodiment of the present invention.

7 and 8 are views for explaining the operation of the stirring direction reciprocating device according to a second embodiment of the present invention.

* Drawing reference for the main part

2: support shaft

10: stirrer

60: reciprocating bracket

61: main bracket

61a: head of the reciprocating bracket

63: auxiliary bracket

100: stirring direction reciprocating device

110: housing

120: drive unit

130: swivel arm

140: rack member

P1, P2, P3, P4: Pin

R: guide rail

S: Slot

150: connection link

160: pinion

H1: Square fastening hole

200: stirring direction reciprocating device

210: housing

220: drive unit

230: first rotating arm

240: rack member

250: first connection link

260: pinion

270: second rotating arm

280: second connection link

290: clevis joint

Claims (8)

delete delete delete delete A housing 210; A driving unit 220 installed in the housing 210; A first rotating arm 230 connected with the driving unit 220 to be rotated by the driving unit 220; A rack member 240 installed in a linear motion with a predetermined distance from the first rotating arm 230; A first connection link 250 having one side coupled to the first rotary arm 230 with a pin P1 and the other side coupled with the rack member 240 and a pin P2; A pinion 260 meshed with the rack member 240 and rotatably installed in the housing 210; A second rotating arm 270 integrally formed with the pinion 260; A second connection link 280 coupled to the second rotary arm 270 with a pin P3; One end is a clevis coupled to the end of the second connecting link 280 pin (P4) and the other end is coupled to the reciprocating bracket (60) fastened to the support shaft (2) supporting the stirrer (10) Stirring direction reciprocating device of the underwater horizontal stirring device including a joint (290). The method of claim 5, When the first rotating arm 230 rotates forward by 360 °, the pinion 260 and the second rotating arm 270 rotate forward or reverse 360 ° and the reciprocating bracket 60 reciprocates up to 120 °. Stirring direction reciprocating device of the underwater horizontal stirring device, characterized in that it can rotate. The method of claim 5, The clevis joint (290) is a stirring direction reciprocating device of the horizontal lateral stirring device, characterized in that is configured to be detachable from the second connecting link (280). The method of claim 5, One end of the clevis joint 290 is fastened to the second connecting link 280 and the other end of the clevis joint 290 is agitated in the horizontal lateral stirring device, characterized in that fastened to the reciprocating bracket (60) Directional reciprocating device.

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