CN114887510A

CN114887510A - Automatic stirring device for sewage pool

Info

Publication number: CN114887510A
Application number: CN202210564358.1A
Authority: CN
Inventors: 李丰登; 孙长城; 赵永松; 陈利伟; 张明磊; 史亚丽
Original assignee: Henan Hongkang Environmental Protection Technology Co ltd
Current assignee: Henan Hongkang Environmental Protection Technology Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-08-12

Abstract

The invention relates to the technical field of sewage treatment, and discloses an automatic stirring device for a sewage pool, which comprises: the drainage tube, first barrel and second barrel, the inside circulation of drainage tube has the fluid, first barrel is inside to be provided with the rotor, the inside agitator that is provided with of second barrel, the exit end of drainage tube stretches into the inside of first barrel, the rotatable setting in the inside of first barrel of one end of rotor, the other end stretches into in the second barrel, and with agitator detachable fixed connection, the exit end of drainage tube is provided with the throat, just be provided with a plurality of pressure-bearing pieces along its circumferencial direction on the lateral wall of rotor, spout to at least partial pressure-bearing piece through throat spun fluid. The outlet end of the drainage tube is provided with the necking to realize secondary pressurization of the fluid, the pressurized fluid has higher pressure, and can generate larger driving force to the pressure bearing sheet of the rotating body to accelerate the rotating speed of the rotating body, thereby accelerating the stirring speed of the stirrer.

Description

Automatic stirring device for sewage pool

Technical Field

The invention relates to the technical field of sewage treatment, in particular to an automatic stirring device for a sewage pool.

Background

In the sewage treatment process, raw water in an anaerobic tank is fully fused with returned activated sludge, the more uniform the mixing is, the higher the anaerobic reaction efficiency of the sewage is, and the better the water treatment effect is.

Generally, a sewage stirring device is arranged at the bottom of an anaerobic tank, so that water enters the anaerobic tank and is stirred at the bottom, sludge is prevented from being deposited, and the conventional sewage stirring device generally comprises: drainage pipeline, rotatory barrel and agitator, drainage pipeline spouts the fluid of drainage to rotatory barrel, and then drives rotatory barrel and rotate, and then drives the agitator through rotatory barrel and stir in the sewage pond.

However, the pressure of the fluid sprayed to the rotary cylinder through the drainage pipeline is low, the pressure of the fluid sprayed through the drainage pipeline is low, the fluid with a low flow rate cannot apply enough pressure to the rotary cylinder, and the flow rate of the fluid needs to be increased to generate enough pressure to the rotary cylinder, so that the rotary cylinder can rotate effectively.

Disclosure of Invention

The purpose of the invention is: the utility model provides an automatic agitating unit of effluent water sump, aims at solving the problem that the fluid pressure that the drainage pipeline spouts to rotatory barrel among the prior art is not enough.

In order to achieve the above object, the present invention provides an automatic stirring apparatus for a wastewater tank, comprising: drainage tube, first barrel and second barrel, the inside circulation of drainage tube has the fluid, first barrel is inside to be provided with the rotor, the inside agitator that is provided with of second barrel, the exit end of drainage tube stretches into the inside of first barrel, the rotatable setting of one end of rotor is in the inside of first barrel, the other end stretch into in the second barrel, and with agitator detachable fixed connection, wherein, the exit end of drainage tube is provided with the throat just be provided with a plurality of pressure-bearing pieces along its circumferencial direction on the lateral wall of rotor, the warp the throat spun the fluid spouts to at least part the pressure-bearing piece.

In the automatic stirring device for a sewage tank, each pressure-bearing plate has an inner concave surface, and the fluid ejected from the necking is ejected to at least part of the inner concave surface of the pressure-bearing plate.

The automatic agitating unit of effluent water sump of the aforesaid, wherein, first barrel includes: first cylinder and first round platform body, the one end of first cylinder with second cylinder fixed connection, the other end of first cylinder with the one end fixed connection of first round platform body, just the internal diameter of first round platform body is along keeping away from the direction linearity of first cylinder intermediate position reduces, the exit end of drainage tube stretches into the inside of first cylinder, the rotatable setting of one end of rotor is in the inside of first round platform body.

In the automatic stirring device for the sewage tank, the end, far away from the first column body, of the circular truncated cone body is provided with the water outlet holes.

The automatic agitating unit of effluent water sump of foretell, wherein, the second barrel includes: second cylinder and second round platform body, the one end of second cylinder with the one end fixed connection of first cylinder, the other end of second cylinder with the one end fixed connection of second round platform body, the other end of second round platform body sets up to the opening, just the internal diameter of second round platform body is followed and is kept away from the direction linear increase of second cylinder body intermediate position, the rotatable setting of agitator is in the inside of second cylinder body, the other end of rotor stretches into the inside of second cylinder body, and with agitator detachable fixed connection.

The axis of the first cylinder coincides with the axis of the second cylinder, the axis of the first cylinder coincides with the axis of the first circular truncated cone, and the axis of the second cylinder coincides with the axis of the second circular truncated cone.

The automatic stirring device for the sewage pool comprises a first cylinder, a second cylinder, a first circular truncated cone, a second cylinder and a third cylinder, wherein the first cylinder and the second cylinder are arranged in a circular arc shape, and the first cylinder and the second cylinder are arranged in a circular arc shape.

The automatic stirring device for the sewage pool is characterized in that a valve body is arranged on the drainage tube, a valve controller is arranged on the valve body, a floating ball sensor is arranged inside the first round platform body, and the floating ball sensor is in signal connection with the valve controller.

Compared with the prior art, the invention has the beneficial effects that:

the outlet end of the drainage tube is provided with the necking to realize secondary pressurization of the fluid, the pressurized fluid has higher pressure, and can generate larger driving force to the pressure bearing sheet of the rotating body, so that the rotating speed of the rotating body is increased, and the stirring speed of the stirrer is increased.

Drawings

FIG. 1 is a schematic view of the automatic stirring apparatus for a wastewater tank according to the present invention;

FIG. 2 is a schematic structural view of a stirrer of the automatic stirring device for a sewage tank of the present invention;

fig. 3 is a schematic structural view of a first cylinder and a second cylinder of the automatic stirring device for a wastewater tank of the present invention.

In the figure: 1. a drainage tube; 11. necking; 2. a first cylinder; 21. a first column; 22. a first circular truncated cone; 23. a water outlet hole; 3. a second cylinder; 31. a second cylinder; 32. a second truncated cone; 4. a rotating body; 41. a pressure bearing sheet; 42. an inner concave surface; 5. a stirrer; 51. a rotating shaft; 52. a blade; 6. a float ball sensor; 7. a valve body; 8. a booster pump; 9. a filter; and A represents the flow direction of the fluid.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

As shown in fig. 1, the automatic stirring apparatus for a wastewater tank of the present invention comprises: the drainage tube comprises a drainage tube 1, a first barrel 2 and a second barrel 3, pressurized fluid (liquid or gas) flows through the interior of the drainage tube 1, a reducing opening 11 with the inner diameter smaller than that of the drainage tube 1 is arranged at the outlet end of the drainage tube 1, a rotor 4 is arranged inside the first barrel 2, the rotor 4 is integrally cylindrical, one end of the rotor 4 is rotatably arranged inside the first barrel 2, a rotatable stirrer 5 is arranged inside the second barrel 3, the other end of the rotor 4 extends into the second barrel 3 and is connected with the stirrer 5 in an inserting manner, a plurality of pressure bearing sheets 41 are arranged on the outer side wall of the rotor 4 at equal intervals along the circumferential direction, the outlet end of the drainage tube 1 extends into the first barrel 2, and when the pressurized fluid passes through the reducing opening 11, the sectional area of the reducing opening 11 perpendicular to the fluid flowing direction is rapidly reduced, so that the fluid sprayed from the reducing opening 11 has larger pressure, realize the secondary pressurization of the fluid, the fluid after the secondary pressurization spouts partial or whole pressure-bearing piece 41 to rotor 4, thereby drive rotor 4 and rotate along the direction of fluid velocity of flow, thereby it rotates to drive the inside agitator 5 of second barrel 3 through rotor 4, because second barrel 3 sets up in effluent water sump (not shown in the figure), thereby it fully fuses with raw water to drive active sludge in the effluent water sump through agitator 5, form the vortex flow and fully stir the mixed liquid in the effluent water sump, avoid the silt deposit in the effluent water sump, the mass transfer effect of mud and waste water has been increased, make the mixed liquid mix more evenly, this kind of continuous vortex flow state makes active particle mud be in the active state, effectively utilize the biomass in the anaerobism pond, accelerate the decomposition of the organic matter in the effluent water sump.

Further, as a preferred embodiment, the automatic stirring device for a sewage pool further comprises a pressurizing device, and the pressurizing device comprises: the outlet of the booster pump 8 is hermetically connected with the inlet end of the filter 9 through a flange, the outlet end of the filter 9 is hermetically connected with the inlet end of the drainage tube 1 through a flange, when fluid flows into the inlet end of the booster pump 8, the pressure is low, the booster pump 8 pressurizes the fluid, the fluid is filtered by the filter 9 and then is input into the drainage tube 1, so that the primary pressurization of the fluid is realized, the secondary pressurization of the fluid is realized after passing through the necking 11 of the drainage tube 1, the pressure of the fluid on the pressure bearing sheet 41 of the rotating body 4 is increased through the multiple pressurization of the fluid, the rotating speed of the rotating body 4 and the stirring speed of the stirrer 5 can be increased, and in addition, the pressurized fluid has larger pressure, can make rotor 1 take place faster rotation through the fluid of less flow, and then drive agitator 5 and stir, save fluid flow to a certain extent.

The booster pump 8 may be suitably selected in consideration of whether the fluid may be selected from a gas (e.g., compressed air, etc.) or a liquid (e.g., water, etc.), i.e., when the fluid is selected from a gas, the booster pump 8 is preferably a vacuum pump, and when the fluid is selected from a liquid, the booster pump 8 is preferably a hydraulic pump.

Further, as a preferred embodiment, each of the pressure-bearing plates 41 has an inner concave surface, and when the rotating body 4 rotates, at least a part of the inner concave surface of the pressure-bearing plate 41 faces the notch 11 of the drainage tube 1, so that the fluid ejected from the notch 11 is ejected to at least a part of the inner concave surface of the pressure-bearing plate 41, thereby increasing the impact force of the fluid on the pressure-bearing plate 41, accelerating the rotation of the rotating body 4, and accelerating the stirring speed of the stirrer 5.

Further, as a preferred embodiment, as shown in fig. 3, the first cylinder 2 includes: a first cylinder 21 and a first circular truncated cone 22, one end of the first cylinder 21 is fixedly connected with the second cylinder 3, the other end of the first cylinder 21 is opposite to one end of the first circular truncated cone 22 and then welded together, the inner diameter of the first circular truncated cone 22 is linearly reduced along the direction far away from the middle position of the first cylinder 21 (namely the middle part of the height of the first cylinder 21), the outlet end of the drainage tube 1 extends into the first cylinder 21, one end of the rotator 4 is rotatably arranged in the first circular truncated cone 22, one end of the rotator 4 is detachably and fixedly connected with the stirrer 5, the rotator 4 rotates to drive the stirrer 5 to rotate, so that the stirrer 5 can stir in the sewage pool, when fluid is sprayed into the first cylinder 21 through the drainage tube 1, because the inner diameter of the first circular truncated cone 22 is linearly reduced, the fluid does centrifugal motion in the first cylinder 21 along the rotator 4, meanwhile, under the action of the gravity of the fluid, the fluid flows into the first truncated cone 22 from the first cylinder 21, so that the fluid performs a downward spiral motion along the inner walls of the first cylinder 21 and the first truncated cone 22, and when the fluid moves to the bottom end of the first truncated cone 22, the fluid is thrown out through the plurality of water outlets of the first truncated cone 22.

Further, as a preferred embodiment, the second cylinder 3 includes: second cylinder 31 and second round platform body 32, the one end of second cylinder 31 is just right and the welding is in the same place with the one end of first cylinder 21, the other end of second cylinder 31 is just right and the welding is in the same place with the one end of second round platform body 32, the internal diameter of second round platform body 32 is along keeping away from the direction linear increase of second cylinder 31 intermediate position (the middle part of the height of second cylinder 31 promptly), and the other end of second round platform body 32 is uncovered to be set up, because second round platform body 32 sets up to the big shape of the little other end of one end, when agitator 5 stirs in second cylinder 31, can drive the mixed liquid in more sewage ponds and participate in the rotation, improve stirring efficiency.

Further, as a preferred embodiment, the axis of the first cylinder 21 coincides with the axis of the second cylinder 31, the axis of the first cylinder 21 coincides with the axis of the first truncated cone 22, and the axis of the second cylinder 31 coincides with the axis of the second truncated cone 32.

Further, as a preferred embodiment, the inner diameter of the first cylinder 21 is equal to the inner diameter of the second cylinder 31, the inner diameter of the first cylinder 21 is equal to the maximum inner diameter of the first truncated cone 22, and the inner diameter of the second cylinder 31 is equal to the minimum inner diameter of the second truncated cone 32, if the connection position between the first cylinder 21 and the first truncated cone 22 is not opposite to each other and the inner diameter of the first cylinder 21 is not equal to the inner diameter of the first truncated cone 22, the connection position between the first cylinder 21 and the first truncated cone 22 is dislocated, so that the fluid flowing in the first cylinder 21 in the direction of the internal rotation can not smoothly flow into the first truncated cone 22, which may cause the fluid in the rotational motion to reversely rotate, thereby affecting the rotation of the rotating body 4.

Further, as a preferred embodiment, the rotating body 4 is fixedly connected with the first truncated cone 22 and the first cylinder 21 through shaft sleeves, and a sealing ring is arranged at the joint of the other end of the rotating body 4 and the stirrer 5 to realize the sealing connection of the two.

Further, as a preferred embodiment, as shown in fig. 2, the agitator 5 includes: the rotating shaft 51 is connected with the other end of the first cylinder 21 in a sealing manner, and the plurality of blades 52 are inserted on the peripheral side of the rotating shaft 51 at equal intervals along the circumferential direction of the rotating shaft 51.

The working process of the application is as follows: after the fluid is pressurized once by the booster pump 8, the fluid enters the drainage tube 1 through the filter 9 in a filtering manner, and is sprayed into the first cylinder 21 from the outlet end of the drainage tube 1, because the outlet end of the drainage tube 1 is provided with the reducing opening 11, the fluid sprayed into the first cylinder 21 has higher pressure, the secondary pressurization of the fluid is realized, the fluid is sprayed onto a plurality of pressure bearing sheets 41 of the rotating body 4 to drive the rotating body 4 to rotate, the rotating body 4 drives the stirrer 5 which is inserted together with the rotating body 4 to rotate together, so that the mixing of the mixed liquid in the sewage tank is realized, and the fluid sprayed onto the plurality of pressure bearing sheets 41 is in downward spiral motion along the inner walls of the first cylinder 21 and the first circular truncated cone 22 under the action of centrifugal force and gravity until the fluid moves to the bottom end of the first circular truncated cone 22 and is thrown out through a plurality of water outlet holes at the bottom end of the first circular truncated cone 22.

In summary, the present invention uses the booster pump 8 to pressurize the fluid for one time, the outlet end of the draft tube 1 is provided with the reducing opening 11 to pressurize the fluid for two times, the fluid pressurized for two times has higher pressure, and can generate larger driving force to the plurality of pressure-bearing pieces 41 of the rotating body 4, and accelerate the rotating speed of the rotating body 4, so as to accelerate the stirring speed of the stirrer 5, in addition, the inner diameter of the first truncated cone 22 of the first cylinder 2 changes linearly, so that the fluid sprayed on the plurality of pressure-bearing pieces 41 of the rotating body 4 rotates downwards along the inner wall of the first cylinder 2, and can be discharged from the first cylinder 2 rapidly, without affecting the rotation of the rotating body 4, furthermore, the inner diameter of the second truncated cone 32 of the second cylinder 3 changes linearly, so that more mixed liquid can be contained in the second truncated cone 32, and when the stirrer 5 stirs, more mixed liquid can be driven to stir, the stirring efficiency is accelerated.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. An automatic stirring device for a sewage pool, comprising: drainage tube, first barrel and second barrel, the inside circulation of drainage tube has the fluid, first barrel is inside to be provided with the rotor, the inside agitator that is provided with of second barrel, the exit end of drainage tube stretches into the inside of first barrel, the rotatable setting of one end of rotor is in the inside of first barrel, the other end stretch into in the second barrel, and with agitator detachable fixed connection, its characterized in that, the exit end of drainage tube is provided with the throat just be provided with a plurality of bearing pieces along its circumferencial direction on the lateral wall of rotor, the warp the throat spun the fluid spouts to at least part the bearing piece.

2. The automatic stirring device for a sewage pool of claim 1, wherein each of said pressure-bearing pieces has an inner concave surface, and said fluid injected through said throat is injected toward at least a part of said inner concave surface of said pressure-bearing piece.

3. The automatic stirring device for sewage tanks according to claim 1 or 2, characterized in that said first cylinder comprises: first cylinder and first round platform body, the one end of first cylinder with second cylinder fixed connection, the other end of first cylinder with the one end fixed connection of first round platform body, just the internal diameter of first round platform body is along keeping away from the direction linearity of first cylinder intermediate position reduces, the exit end of drainage tube stretches into the inside of first cylinder, the rotatable setting of one end of rotor is in the inside of first round platform body.

4. The automatic stirring device for sewage tanks of claim 3, wherein the end of the circular truncated cone away from the first cylinder is provided with a plurality of water outlet holes.

5. The automatic stirring device for a wastewater tank of claim 4, wherein the second cylinder comprises: second cylinder and second round platform body, the one end of second cylinder with the one end fixed connection of first cylinder, the other end of second cylinder with the one end fixed connection of second round platform body, the other end of second round platform body sets up to the opening, just the internal diameter of second round platform body is followed and is kept away from the direction linear increase of second cylinder body intermediate position, the rotatable setting of agitator is in the inside of second cylinder body, the other end of rotor stretches into the inside of second cylinder body, and with agitator detachable fixed connection.

6. The automatic stirring device for a wastewater tank of claim 5, wherein the axis of the first cylinder coincides with the axis of the second cylinder, the axis of the first cylinder coincides with the axis of the first circular truncated cone, and the axis of the second cylinder coincides with the axis of the second circular truncated cone.

7. The automatic stirring device for a wastewater tank of claim 5 or 6, wherein the first cylinder has an inner diameter equal to that of the second cylinder, the first cylinder has an inner diameter equal to a maximum inner diameter of the first truncated cone, and the second cylinder has an inner diameter equal to a minimum inner diameter of the second truncated cone.

8. The automatic stirring device for the sewage pool of claim 7, wherein a valve body is arranged on the drainage tube, a valve body controller is arranged on the valve body, a floating ball sensor is arranged inside the first round platform body, and the floating ball sensor is in signal connection with the valve body controller.