CN218465609U

CN218465609U - Sewage aeration tank

Info

Publication number: CN218465609U
Application number: CN202222409173.1U
Authority: CN
Inventors: 涂德贵; 黄文财; 沈顺喜; 付豪; 姜毅
Original assignee: Fujian Minhuan Intelligent Technology Co ltd
Current assignee: Fujian Minhuan Intelligent Technology Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-02-10
Anticipated expiration: 2032-09-09

Abstract

The utility model provides a sewage aeration tank, including aeration tank, support and impeller, the bottom of the pool department of aeration tank is provided with the aeration subassembly, the support lateral sliding installs in the aeration tank, vertical slidable mounting has two sliders on the support, the impeller passes through the hollow shaft and rotates and install two between the slider, the impeller is connected with motor drive, the impeller includes the impeller barrel and installs the blade in the impeller barrel periphery, the hollow barrel of impeller barrel, the week side of impeller barrel is provided with a plurality of aeration holes, and the impeller barrel passes through the hollow shaft and is connected with the slider rotation of both sides, and one of them hollow shaft is switching sealed axle, the support includes roof and two curb plates, the roof is along vertical flat, curb plate fixed mounting is in the both sides of roof and downwardly extending to in the aeration tank, set up the vertical groove that extends from top to bottom on the curb plate, slider slidable mounting is in vertical inslot.

Description

Sewage aeration tank

Technical Field

The utility model relates to a sewage treatment field, in particular to a sewage aeration tank.

Background

The aeration tank is a biochemical reactor designed by people according to the characteristics of microorganisms, the degradation degree of organic pollutants is mainly determined by the aeration reaction conditions designed by people, the aeration tank carries out sewage treatment by utilizing an activated sludge method, certain sewage retention time is provided in the tank, the oxygen quantity required by aerobic microorganisms and the mixing condition of full contact of sewage and activated sludge are met, the aeration tank mainly comprises a tank body, an aeration system and a water inlet and a water outlet, the tank body is generally made of reinforced concrete, the plane shape of the tank body is rectangular, square, circular and the like, aeration is a means for enabling air to be in strong contact with water, the aeration tank aims to dissolve oxygen in the air into the water, the existing aeration modes mainly comprise two categories, mechanical aeration and air blowing.

Aeration equipment among the present common aeration tank is fixed knot structure usually, can not remove in the aeration tank, to great aeration tank or the deep aeration tank of degree of depth can not be fine make activated sludge combine with the impurity in the sewage in the aeration tank, the dissolved oxygen volume in the aeration tank has not only been reduced, make sewage treatment's effect not high and the cost consume great moreover, especially to the aeration tank that produces the foam more, the effect is worse, for this reason we propose a sewage station aeration tank in order to solve above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

Therefore, aiming at the problems, the utility model provides a sewage aeration tank.

In order to realize the technical problem, the utility model discloses the solution who takes does:

the sewage aeration tank comprises an aeration tank, a support and an impeller, wherein an aeration component is arranged at the bottom of the aeration tank, the support is transversely slidably mounted in the aeration tank, two sliding blocks are vertically slidably mounted on the support, the impeller is rotatably mounted between the two sliding blocks through a pipe shaft, and the impeller is in driving connection with a motor.

The further improvement is that: the impeller comprises an impeller barrel and blades arranged on the periphery of the impeller barrel, the impeller barrel is hollow, a plurality of aeration holes are formed in the peripheral side of the impeller barrel, the impeller barrel is rotatably connected with the sliding blocks on the two sides through pipe shafts, and one of the pipe shafts is a switching sealing shaft.

The further improvement is that: the support comprises a top plate and two side plates, the top plate is horizontally arranged along the longitudinal direction, the side plates are fixedly installed on two sides of the top plate and extend downwards into the aeration tank, vertical grooves extending up and down are formed in the side plates, and the sliding blocks are slidably installed in the vertical grooves.

The further improvement is that: and transverse grooves which transversely extend are formed in two inner side walls of the aeration tank, and the bottoms of the side plates are arranged in the transverse grooves in a sliding manner.

The further improvement is that: still including the first drive arrangement who is used for driving two slider synchronous slides, first drive arrangement includes lead screw, hold-in range and synchronous pulley, the lead screw rotates to be installed vertical inslot, lead screw top screw thread passes the slider is worn out extremely outside the curb plate, synchronous pulley fixed mounting is on the lead screw top, around being equipped with the hold-in range between two synchronous pulley.

The further improvement is that: still including being used for driving the second drive arrangement that the support slided in step, second drive arrangement includes the threaded rod, the threaded rod rotates to be installed in the transverse groove, the threaded rod with curb plate threaded connection.

The further improvement is that: the aeration component comprises an air guide pipe and microporous aeration disks, the air guide pipe is an S-shaped pipe body, the air guide pipe is laid at the bottom of the aeration tank in a roundabout mode, and the microporous aeration disks are uniformly and fixedly installed on the air guide pipe.

By adopting the technical scheme, the beneficial effects of the utility model are that:

the utility model discloses simple structure, convenient to use through with support lateral sliding install in the aeration tank, vertical slidable mounting has two sliders on the support, the impeller passes through the hollow shaft and rotates to be installed two between the slider, the impeller is connected with motor drive. When aerating sewage, the impeller is driven to rotate by a motor, in the rotating process, blades on the impeller drive the sewage to be quickly stirred, and the sewage is lifted forwards and upwards to fall down after forming a water curtain, so that air is drawn into the aeration tank from the water curtain, the aeration tank has a certain depth, an aeration component at the bottom of the tank aerates from bottom to top, the air is drawn into the tank from top to bottom by rotating the impeller, and then the upper-layer sewage and the lower-layer sewage can be fully contacted with oxygen in a space.

Drawings

FIG. 1 is a schematic structural view of a sewage aeration tank according to an embodiment of the present invention.

FIG. 2 is a side sectional view of a sewage aeration tank according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of an aeration assembly in a sewage aeration tank according to an embodiment of the present invention.

In the figure: aeration tank 1, transverse groove 11, threaded rod 12, aeration component 2, air duct 21, micropore aeration disc 22, impeller cylinder 3, aeration hole 31, tubular shaft 32, switching seal shaft 32a, blade 33, support 4, roof 41, curb plate 42, vertical groove 43, synchronous pulley 5, synchronous belt 51, slider 6, lead screw 61.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

The first embodiment is as follows:

referring to fig. 1-3, the embodiment of the utility model discloses a sewage aeration tank is disclosed, including aeration tank 1, support 4 and impeller, aeration tank 1 is the rectangle cell body to aeration tank 1's length direction table footpath is horizontal, and its width direction table footpath is vertical, and its direction of height table footpath is vertical to, aeration tank 1's bottom of the pool department is provided with aeration component 2, and this aeration component 2 is connected with outside air compressor machine, makes in the air admission aeration component 2 and discharges from bottom to top, makes the interior sewage of aeration tank 1 fully contact with the oxygen in the air.

The bracket 4 is transversely slidably mounted in the aeration tank 1, two sliding blocks 6 are vertically slidably mounted on the bracket 4, and the impeller is rotatably mounted between the two sliding blocks 6 through a pipe shaft 32. When aerating sewage, the impeller is driven to rotate by a motor (not shown in the figure), in the rotating process, the blades 33 on the impeller drive the sewage to be quickly stirred, and meanwhile, the sewage is lifted forwards and upwards to fall down after forming a water curtain, so that air is drawn into the aeration tank 1 from the water curtain, the aeration tank has a certain depth, the aeration component 2 at the bottom of the tank aerates from bottom to top, the air is drawn into the tank from top to bottom by rotating the impeller, and then the upper-layer sewage and the lower-layer sewage can be fully contacted with oxygen in the space.

The impeller moves in a transverse reciprocating manner along with the support 4 in the aeration tank 1, and the impeller synchronously rotates so as to stir the sewage in the aeration tank 1 back and forth, thereby further improving the sewage aeration effect.

The impeller slides vertically on the bracket 4 along with the slide block 6, so that the immersion height of the impeller immersed in the sewage can be adjusted to adapt to the change of the sewage level in the aeration tank 1.

In this embodiment, the impeller includes an impeller cylinder 3 and blades 33 installed on the periphery of the impeller cylinder 3, the impeller cylinder 3 is a hollow cylinder, and a plurality of aeration holes 31 are provided on the periphery of the impeller cylinder 3. In order to reduce the overall weight of the impeller, the impeller cylinder 3 is rotatably connected to the sliders 6 on both sides through the pipe shafts 32, one of the pipe shafts 32 is a transfer seal shaft 32a, the transfer seal shaft 32a is used for connecting an external air source, so that the impeller cylinder 3 allows air to enter the cylinder in a state that rotation is guaranteed, and the structure of the transfer seal shaft 32a is the prior art and is not described herein again. An external air source is connected with the switching sealing shaft 32a, so that air enters the impeller cylinder 3 in a rotating state and is discharged from the aeration holes 31 on the surface of the impeller cylinder 3, the lower half part of the impeller cylinder 3 goes deep into sewage, the upper half part of the impeller cylinder realizes water throwing, after the air is discharged from the aeration holes 31 on the surface of the impeller cylinder, one part of the air directly enters middle-layer sewage in the pool to improve air inflow, the other part of the air is in full contact with a water curtain thrown out, so that the aeration efficiency is further improved, and the hollow cylinder structure adopted by the impeller cylinder 3 can greatly reduce the weight of the impeller to reduce energy consumption.

In this embodiment, the support 4 includes a top plate 41 and two side plates 42, the top plate 41 is disposed horizontally along a longitudinal direction, the side plates 42 are fixedly installed on two sides of the top plate 41 and extend downward into the aeration tank 1, so that the top plate 41 and the two side plates 42 form a door-shaped support structure, vertical grooves 43 extending up and down are formed in the side plates 42, and the sliding blocks 6 are slidably installed in the vertical grooves 43, thereby improving the stability of the sliding blocks 6 in sliding up and down. Two inner side walls of the aeration tank 1 are provided with transverse grooves 11 which extend transversely, the bottoms of the side plates 42 are arranged in the transverse grooves 11 in a sliding way,

in this embodiment, still including the first drive arrangement who is used for driving two slider 6 synchronous slippage, first drive arrangement includes lead screw 61, hold-in range 51 and hold-in range 51 wheel 5, lead screw 61 rotates to be installed in the vertical groove 43, lead screw 61 top screw thread passes slider 6 and wear out extremely outside the curb plate 42, hold-in range 51 wheel 5 fixed mounting is on lead screw 61 top, around being equipped with hold-in range 51 between two hold-in range 51 wheels 5. One of the screw rods 61 is driven to rotate by a motor (not shown in the figure), and the other screw rod 61 is driven to synchronously rotate under the action of the synchronous belt 51, so that the two sliding blocks 6 synchronously slide up and down.

In this embodiment, the device further comprises a second driving device for driving the bracket 4 to synchronously slide, the second driving device comprises a threaded rod 12, the threaded rod 12 is rotatably installed in the transverse groove 11, and the threaded rod 12 is in threaded connection with the side plate 42. The threaded rod 12 is driven in the same manner as the threaded rod 61 and will not be described in detail here. The two threaded rods 12 rotate synchronously to realize the transverse sliding of the bracket 4.

In this embodiment, the aeration assembly 2 includes an air duct 21 and a microporous aeration plate 22, the air duct 21 is an S-shaped tube, the air duct 21 is laid on the bottom of the aeration tank 1 in a winding manner, and the microporous aeration plates 22 are uniformly and fixedly mounted on the air duct 21. The air duct 21 is connected with an external air source, so that air is uniformly sprayed out through the microporous aeration disc 22 after entering the air duct 21, and formed micro bubbles emerge from bottom to top to realize aeration.

The modifications and variations of the present invention are within the scope of the claims and should not be limited by the disclosure of the embodiments.

Claims

1. A sewage aeration tank is characterized in that: the aeration device comprises an aeration tank, a support and an impeller, wherein an aeration component is arranged at the bottom of the aeration tank, the support is transversely slidably mounted in the aeration tank, two sliding blocks are vertically slidably mounted on the support, the impeller is rotatably mounted between the two sliding blocks through a pipe shaft, and the impeller is in driving connection with a motor.

2. The sewage aeration tank of claim 1, wherein: the impeller comprises an impeller barrel and blades arranged on the periphery of the impeller barrel, the impeller barrel is hollow, a plurality of aeration holes are formed in the peripheral side of the impeller barrel, the impeller barrel is rotatably connected with the sliding blocks on the two sides through pipe shafts, and one of the pipe shafts is a switching sealing shaft.

3. The sewage aeration tank of claim 2, wherein: the support comprises a top plate and two side plates, the top plate is horizontally arranged along the longitudinal direction, the side plates are fixedly installed on two sides of the top plate and extend downwards into the aeration tank, vertical grooves extending up and down are formed in the side plates, and the sliding block is slidably installed in the vertical grooves.

4. The sewage aeration tank of claim 3, wherein: and transverse grooves which transversely extend are formed in two inner side walls of the aeration tank, and the bottoms of the side plates are arranged in the transverse grooves in a sliding manner.

5. The sewage aeration tank of claim 3, wherein: still including the first drive arrangement who is used for driving two slider synchronous slippage, first drive arrangement includes lead screw, hold-in range and synchronous pulley, the lead screw rotates to be installed vertical inslot, lead screw top screw thread passes the slider is worn out extremely outside the curb plate, synchronous pulley fixed mounting is on the lead screw top, around being equipped with the hold-in range between two synchronous pulley.

6. The sewage aeration tank of claim 4, wherein: still including being used for driving the second drive arrangement that the support slided in step, second drive arrangement includes the threaded rod, the threaded rod rotates to be installed in the transverse groove, the threaded rod with curb plate threaded connection.

7. The sewage aeration tank of claim 1, wherein: the aeration component comprises an air guide pipe and microporous aeration disks, the air guide pipe is an S-shaped pipe body, the air guide pipe is laid at the bottom of the aeration tank in a roundabout mode, and the microporous aeration disks are uniformly and fixedly installed on the air guide pipe.