CN211169919U - Sewage treatment mixer - Google Patents

Abstract

The utility model discloses a sewage treatment stirrer, which comprises a sewage tank, a tank cover and a stirring mechanism, wherein the sewage tank is provided with a sewage inlet, a dosing port and a sewage outlet; the stirring mechanism comprises a driving piece, a planetary gear train, a transmission shaft and a stirring part, wherein the driving piece is fixedly arranged on the tank cover; the planetary gear train comprises a sun gear, a planetary gear, a gear ring and a planetary carrier, wherein the sun gear is connected with an output shaft of the driving piece; the planet wheel is meshed with the sun wheel; the gear ring is meshed with the planet gear; the planet carrier is rotationally connected with the bottom of the sewage tank, and the planet gear is rotationally connected with the planet carrier; one end of the transmission shaft is fixedly arranged in the sun gear in a penetrating way, and a first bevel gear is fixedly arranged on the transmission shaft; the stirring part comprises a stirring shaft and a stirring paddle, a second bevel gear meshed with the first bevel gear is arranged on the stirring shaft, and the stirring paddle is fixedly sleeved on the stirring shaft. The stirring rake just revolves round the transmission shaft at the inclined plane internal rotation, has compromise the stirring on horizontal plane and the height, and the stirring is more abundant even and stirring is efficient, and the region of stirring is big.

Description

Sewage treatment mixer

Technical Field

The utility model belongs to the technical field of sewage treatment, concretely relates to sewage treatment mixer.

Background

Sewage treatment is a process of purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people.

The sewage treatment can be divided into a physical method, a biological method and a chemical method according to the functions of the sewage treatment.

① the physical method mainly utilizes physical action to separate non-soluble substances in sewage without changing chemical properties in the treatment process, and the common methods include gravity separation, centrifugal separation, reverse osmosis, air flotation, etc.

② biological method is to decompose and oxidize the dissolved or colloidal organic substances in sewage into stable inorganic substances by using the metabolism of microbes to purify the sewage.

③ chemical method, which is a method for treating or recovering dissolved substances or colloidal substances of sewage by chemical reaction between chemical chemicals and sewage, and is mainly used for industrial wastewater.

The sewage treatment stirrer is an important device in the sewage treatment process, is mainly used for stirring mechanical equipment for sewage treatment, and is characterized in that under the driving action of the stirrer, stirring liquid generates a rotary jet flow, the stirring liquid is mixed by utilizing the shear stress along the surface of the jet flow, so that the liquid except the jet flow generates a stirring action through friction, and a volume flow is formed while the stirring liquid is extremely mixed, and the stirring plug flow conveying of controlled liquid is obtained by applying a large-volume flow mode, so that the sewage and the chemical drug can be fully mixed, and the effects of preventing precipitation and plug flow are achieved. The effectiveness of the agitation depends on the density and viscosity of the liquid, the volume and shape of the pool, and the power and efficiency of the submersible agitator. Current sewage treatment mixer, its stirring effect all takes place at single horizontal plane or perpendicular, can not compromise high stirring when the horizontal mixing, causes stirring inequality and inefficiency, perhaps, current sewage treatment mixer adopts helical impeller or highly sets up a plurality of impeller, though can compromise level and high stirring, nevertheless because stirring area is big, leads to the drive energy consumption big, is unfavorable for energy saving and consumption reduction.

SUMMERY OF THE UTILITY MODEL

Not enough to above-mentioned prior art, the to-be-solved technical problem of the utility model is to improve the single problem of stirring rake working face, compromise the stirring in level and the height simultaneously, and solve and increase the problem that drives the energy consumption for the increase stirring area, do benefit to energy saving and consumption reduction.

In order to solve the technical problem, the utility model discloses a technical scheme is:

a sewage treatment stirrer comprises a sewage tank, a tank cover and a stirring mechanism, wherein a sewage inlet and a dosing port are formed in the side wall of the sewage tank close to a tank opening, and a sewage outlet is formed in the side wall of the sewage tank close to the tank bottom; the tank cover is covered on the tank opening of the sewage tank; the stirring mechanism includes:

the driving piece is fixedly arranged on the tank cover, and an output shaft of the driving piece penetrates through the tank cover;

the planetary gear train comprises a sun gear, a planetary gear, a gear ring and a planet carrier, wherein the sun gear is connected with an output shaft of the driving piece; the planet wheel is meshed with the sun wheel; the gear ring is an inner gear fixedly arranged on the tank cover and meshed with the planet gear; the planet carrier is rotatably supported by the bottom of the sewage tank, and the planet wheel is rotatably supported by the planet carrier;

one end of the transmission shaft is fixedly arranged in the sun gear in a penetrating way, and a first bevel gear is fixedly arranged on the transmission shaft in a coaxial line manner; and

the stirring portion comprises a stirring shaft and a stirring paddle, one end of the stirring shaft is supported by the planet carrier in a rotating mode, the other end of the stirring shaft is provided with a second bevel gear meshed with the first bevel gear, the stirring shaft is in an acute angle with the axis of the transmission shaft, and the stirring paddle is fixedly sleeved on the stirring shaft.

According to the sewage treatment stirrer, the stirring shaft and the axis of the transmission shaft form an acute angle, so that the stirring paddle can rotate and stir in the inclined plane, and meanwhile, the stirring of the medicines on the horizontal plane and the height in the sewage is considered, so that the stirring is more sufficient and uniform, and the stirring efficiency is high; in addition, the stirring part revolves around the transmission shaft through the planetary gear train while rotating around the axis of the stirring part, so that the stirring paddle revolves along the period, the stirring area is large, and stirring in a larger space is realized on the premise of not increasing the driving energy consumption.

Further, the planet carrier is including the first back shaft that connects gradually, goes up the backup pad, the support column, supporting seat, bottom plate and second back shaft, first back shaft with planet wheel swivelling joint, the supporting seat with (mixing) shaft swivelling joint, the second back shaft with the tank bottoms swivelling joint of sewage jar. The planet carrier is used for supporting the planet wheel and the stirring shaft, is supported by the bottom of the sewage tank and can rotate around the second supporting shaft, and the second supporting shaft is coaxial with the transmission shaft.

In one embodiment, the transmission shaft is rotatably connected with the upper support plate of the planet carrier. Namely, the middle part of the transmission shaft is supported on the planet carrier.

In one embodiment, the transmission shaft is rotatably connected to the bottom plate of the planet carrier. Namely, the bottom end of the transmission shaft is arranged on the planet carrier.

In one embodiment, the drive shaft is rotatably connected to the tank cover. The support of transmission shaft is promptly for the top locate on the planet carrier, the cover includes drive backup pad, transmission shaft backup pad and ring gear backup pad, and drive backup pad detachably installs in the transmission shaft backup pad, and transmission shaft backup pad detachably installs in the ring gear backup pad, and the ring gear backup pad lid closes on the jar mouth of sewage jar.

Furthermore, the planet wheels are at least two and are uniformly distributed along the circumferential direction of the sun wheel. The arrangement of the at least two planetary gears in the circumferential direction is beneficial to uniform stress and non-unbalance loading of the planetary gear system, and the arrangement of the planetary carriers which are symmetrical relative to the transmission shaft is also beneficial, so that the operation is stable, and the vibration is small.

Furthermore, the stirring parts are at least two and are uniformly distributed along the circumferential direction of the transmission shaft. Set up two at least stirring portion circumference evenly arranged and be favorable to the even unbalance loading of planet wheel system atress, and also be favorable to stirring simultaneously a plurality of positions of sewage, improve stirring efficiency.

Further, the tank cover is in threaded connection with the sewage tank. The tank cover is in threaded connection with the sewage tank, so that the tank cover is convenient to disassemble, and a certain sealing effect can be achieved.

Further, the sewage outlet is provided with a valve. The valve is arranged to facilitate the discharge of sewage.

Compared with the prior art, the beneficial effects of the utility model are that:

1. adopt above-mentioned sewage treatment mixer, a plurality of stirring rakes can be in the stirring of inclined plane internal rotation, compromise the stirring of medicine in sewage water level and height simultaneously, compare current sewage mixer, stir abundant even and efficient.

2. Through the revolution of a plurality of stirring portions around the transmission shaft in the rotation for the stirring rake is followed period revolution, and the region of stirring is big, compares current sewage mixer, has realized the stirring in bigger space under the prerequisite that does not increase drive energy consumption.

3. The connection support mode of transmission shaft is various, and the suitability is strong.

Drawings

Fig. 1 is a cross-sectional view of the rotary connection between the planet carrier and the upper support plate of the present invention;

fig. 2 is a cross-sectional view of the rotational connection between the planet carrier and the bottom plate of the present invention;

FIG. 3 is a cross-sectional view of the rotational connection of the planet carrier and the cover of the present invention;

fig. 4 is a schematic diagram of the planetary gear train of the present invention;

fig. 5 is a schematic view of the planet carrier of the present invention.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced components or structures must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be considered as limiting the present invention.

Referring to fig. 1, the sewage treatment mixer provided in this embodiment includes: a sewage tank 1, a tank cover 2 and a stirring mechanism 3.

The side wall of the sewage tank 1 close to the tank opening is provided with a sewage inlet and a dosing opening, the side wall of the sewage tank 1 close to the tank bottom is provided with a sewage outlet, and the sewage outlet can be further provided with a valve 14. Specifically, a sewage inlet is fixedly provided with a sewage inlet pipe 11 which extends into the sewage tank 1 from the side wall close to the tank opening; the dosing opening is fixedly provided with a dosing pipe 12, the dosing pipe 12 extends into the sewage tank 1 from the side wall close to the tank opening, the height difference between the dosing pipe 12 and the sewage inlet pipe 11 is small, and the dosing pipe is arranged on the side wall of the sewage tank 1 at a position of 180 degrees. The sewage outlet is fixedly provided with a sewage discharge pipe 13 which extends into the sewage tank 1 from the side wall close to the bottom of the tank, and the sewage pipe is provided with a valve 14, so that sewage is conveniently discharged.

The tank cover 2 is covered on the tank opening of the sewage tank 1. Specifically, cover 2 and sewage jar 1 threaded connection stable in structure, both convenient the dismantlement can reach certain sealed effect again.

The stirring mechanism 3 includes a driving member 31, a planetary gear train 33, a transmission shaft 32, and a stirring portion 34.

The driving member 31 is fixedly installed on the tank cover 2, and a driving shaft of the driving member 31 penetrates through the tank cover 2. The driving member 31 may be an engine, an electric motor, a hydraulic motor, etc. as long as the output mode is the rotation of the shaft, in this embodiment, the driving member 31 is an electric motor, and the electric motor is fixedly installed on the tank cover 2, and the output shaft of the electric motor passes through the tank cover 2 and faces into the sewage tank 1.

Referring to fig. 4, the planetary gear train 33 includes a sun gear 331, a planet gear 332, a ring gear 333, and a planet carrier 334, wherein the sun gear 331 is connected to the output shaft of the driving member 31; planet gear 332 meshes with sun gear 331; the gear ring 333 is an internal gear fixedly arranged on the tank cover 2 and meshed with the planet gear 332; planet carrier 334 and the tank bottoms swivelling joint of sewage jar 1, by the tank bottoms support of sewage jar 1, planet wheel 332 and planet carrier 334 swivelling joint and by planet carrier 334 support.

In particular, the sun gear 331 is connected to the output shaft of the drive member 31 by a coupling 34. The coupling 34 facilitates the connection of the output shaft of the driving member 31 with the sun gear 331, and the coupling 34 protects the motor when the load is excessive.

Specifically, there are at least two planetary gears 332, and they are uniformly distributed along the circumferential direction of the sun gear 331. The arrangement of the at least two planetary gears 332 in the circumferential direction is beneficial to uniform stress and non-unbalance loading of the planetary gear train 33, and is also beneficial to the arrangement of the planetary carrier 334 which is symmetrical relative to the transmission shaft 32, stable in operation and small in vibration.

Referring to fig. 5, in detail, the planet carrier 334 includes a first supporting shaft 3a, an upper supporting plate 3b, a supporting column 3c, a supporting base 3d, a bottom plate 3e and a second supporting shaft 3f, which are fixedly connected in sequence, the first supporting shaft 3a is rotatably connected to the planet wheel 332, the supporting base 3d is rotatably connected to the stirring shaft 341, and the second supporting shaft 3f is rotatably connected to the bottom of the sewage tank 1. In the specific embodiment, the planet gear 332 and the first support shaft 3a are connected through a waterproof bearing or a self-lubricating bearing, and the second support shaft 3f and the bottom of the sewage tank 1 are connected through a waterproof bearing or a self-lubricating bearing.

One end of the transmission shaft 32 is fixedly inserted into the sun gear 331, and a first bevel gear 321 is fixedly arranged on the transmission shaft 32 in a coaxial manner.

Referring to fig. 1, in an embodiment, the transmission shaft 32 is rotatably connected to the upper support plate 3b of the planet carrier 334. I.e. the drive shaft 32 is supported with its middle portion on the planet carrier 334. The transmission shaft 32 is connected with the upper support plate 3b through a waterproof bearing or a self-lubricating bearing.

Referring to fig. 2, in one embodiment, the transmission shaft 32 is rotatably connected to the bottom plate 3e of the planet carrier 334. I.e., the bottom end of the drive shaft 32 is supported on the planet carrier 334. The transmission shaft 32 is connected to the bottom plate 3e through a waterproof bearing or a self-lubricating bearing.

Referring to FIG. 3, in one embodiment, the shaft 32 is rotatably connected to the can lid 2. Specifically, the transmission shaft 32 penetrates through the sun gear 331 to be connected with the coupler 34, the sun gear 331 is fixedly arranged on the transmission shaft 32 in a penetrating manner, the part of the transmission shaft 32, which is positioned between the sun gear 331 and the coupler 34, is supported on the tank cover 2, the tank cover 2 comprises a driving support plate 21, a transmission shaft support plate 22 and a gear ring support plate 23, the driving support plate 21 is detachably arranged on the transmission shaft support plate 22, the transmission shaft support plate 22 is detachably arranged on the gear ring support plate 23, and the gear ring support plate 23 covers the tank opening of the sewage tank 1. In the embodiment, the driving member 31 is mounted on the driving support plate 21, and the transmission shaft 32 is connected to the tank cover 2 by a waterproof bearing or a self-lubricating bearing.

The stirring part 34 includes a stirring shaft 341 and a stirring paddle 342, one end of the stirring shaft 341 is rotatably connected to the planet carrier 334, the stirring shaft 341 is supported by the planet carrier 334, the other end of the stirring shaft 341 is provided with a second bevel gear 343 engaged with the first bevel gear 321, the stirring shaft 341 and the axis of the transmission shaft 32 form an acute angle, and the stirring shaft 341 is fixedly sleeved with the stirring paddle 342. Specifically, the stirring shaft 341 is connected to the support seat 3d of the carrier 334 through a waterproof bearing or a self-lubricating bearing. The stirring parts 34 are provided at least two and are uniformly distributed along the circumferential direction of the transmission shaft 32. The arrangement of the at least two stirring parts 34 in the circumferential direction is beneficial to uniform stress and non-unbalance loading of the planetary gear train 33, and is also beneficial to simultaneous stirring of multiple parts of sewage, so that the stirring efficiency is improved. The axis of (mixing) shaft 341 and transmission shaft 32 is an acute angle for stirring rake 342 can be at the inclined plane internal rotation stirring, has compromise the stirring of medicine in sewage level and high simultaneously, makes the stirring more abundant even and stir efficiently.

Referring to fig. 1-5, the operation process of the sewage treatment mixer includes:

firstly, the valve 14 on the sewage discharge pipe 13 is closed, sewage is put into the sewage tank 1 through the sewage inlet pipe 11, a proper amount of chemicals are added through the chemical adding pipe 12, then the driving motor drives the sun gear 331 in the planetary gear train 33, further the transmission shaft 32 is driven to rotate, the stirring shaft 341 is driven to rotate through the meshing transmission of the first bevel gear 321 and the second bevel gear 343, further the stirring paddle 342 is driven to rotate and stir in the inclined plane, in addition, the stirring shaft 341 revolves around the transmission shaft 32 through the planetary gear train 33 while rotating around the axis of the stirring shaft 341, so that the stirring paddle 342 revolves along the period, and the stirring area is larger. After the stirring is completed to the required level, the valve 14 on the sewage discharge pipe 13 is opened, and the sewage is discharged to the next process, so that the stirring process is completed.

The sewage treatment stirrer improves the problem of single action surface of the stirring paddle 342, and simultaneously takes account of stirring on the horizontal plane and the height, so that stirring is more sufficient and uniform, and the stirring efficiency is high; the problem that driving energy consumption is increased due to the fact that the stirring area is increased is solved, the stirring part 34 revolves around the transmission shaft 32 through the planetary gear train 33 while rotating around the axis of the stirring part, so that the stirring paddle 342 revolves periodically, the stirring area is large, stirring in a larger space is achieved on the premise that the driving energy consumption is not increased, and energy conservation and consumption reduction are facilitated; the connecting and supporting modes of the transmission shaft 32 are various and the applicability is strong.

It should be noted that the above preferred embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims (9)

1. A sewage treatment stirrer is characterized by comprising a sewage tank, a tank cover and a stirring mechanism, wherein a sewage inlet and a dosing port are formed in the side wall of the sewage tank close to a tank opening, and a sewage outlet is formed in the side wall of the sewage tank close to the tank bottom; the tank cover is covered on the tank opening of the sewage tank; the stirring mechanism includes:

the driving piece is fixedly arranged on the tank cover, and an output shaft of the driving piece penetrates through the tank cover;

the planetary gear train comprises a sun gear, a planetary gear, a gear ring and a planet carrier, wherein the sun gear is connected with an output shaft of the driving piece; the planet wheel is meshed with the sun wheel; the gear ring is an inner gear fixedly arranged on the tank cover and meshed with the planet gear; the planet carrier is rotatably supported by the bottom of the sewage tank, and the planet wheel is rotatably supported by the planet carrier;

one end of the transmission shaft is fixedly arranged in the sun gear in a penetrating way, and a first bevel gear is fixedly arranged on the transmission shaft in a coaxial line manner; and

the stirring portion comprises a stirring shaft and a stirring paddle, one end of the stirring shaft is supported by the planet carrier in a rotating mode, the other end of the stirring shaft is provided with a second bevel gear meshed with the first bevel gear, the stirring shaft is in an acute angle with the axis of the transmission shaft, and the stirring paddle is fixedly sleeved on the stirring shaft.

2. The sewage treatment stirring machine of claim 1, wherein the planet carrier comprises a first support shaft, an upper support plate, a support column, a support base, a bottom plate and a second support shaft which are sequentially connected, the first support shaft is rotatably connected with the planet wheel, the support base is rotatably connected with the stirring shaft, and the second support shaft is rotatably connected with the bottom of the sewage tank.

3. The sewage treatment blender of claim 2 wherein the drive shaft is rotatably coupled to the upper support plate of the planet carrier.

4. The sewage treatment blender of claim 2 wherein the drive shaft is rotatably coupled to the base plate of the planet carrier.

5. The sewage treatment blender of claim 1 wherein the drive shaft is rotatably coupled to the tank cover.

6. The sewage treatment agitator of claim 1, wherein the number of the planet wheels is at least two and the planet wheels are evenly distributed along the circumferential direction of the sun wheel.

7. The sewage treatment agitator of claim 1, wherein the agitating parts are provided in at least two numbers and are uniformly distributed along a circumferential direction of the driving shaft.

8. The sewage treatment blender of claim 1 wherein the tank cover is threadably connected to the sewage tank.

9. The sewage treatment blender of claim 1 wherein the sewage outlet is provided with a valve.

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