CN209952634U

CN209952634U - Hydraulic stirrer

Info

Publication number: CN209952634U
Application number: CN201920219160.3U
Authority: CN
Inventors: 张嘉汇; 尚瑞; 方晨杰; 张海燕
Original assignee: Abundant Energy-Conservation Science And Technology Ltd Of Jiangsu He Haijia
Current assignee: Abundant Energy-Conservation Science And Technology Ltd Of Jiangsu He Haijia
Priority date: 2019-02-21
Filing date: 2019-02-21
Publication date: 2020-01-17
Anticipated expiration: 2029-02-21

Abstract

The utility model discloses a hydraulic mixer, which comprises a hydraulic mixer, a guide rod, a water pump and a turbine, wherein the hydraulic mixer is connected with the guide rod and is arranged below the water surface; the water pump is connected with a turbine through a hose, the turbine is connected with a hydraulic mixer, and the water pump is arranged above the water surface; the hydraulic mixer comprises a main shaft, a guide vane part, a rotating wheel part and a tail water part which are sequentially connected, the main shaft penetrates through the guide vane part, the rotating wheel part and the tail water part and then extends out of the outer side of the tail water part, and an impeller is arranged at the end part of the main shaft; the utility model discloses a water conservancy mixer utilizes plus the water pump to provide the rivers drive that is rich in waterhead energy with it adapts to, replaces former special type motor, not only satisfies its abominable operational environment, has still prolonged service life greatly, greatly reduced operation, the maintenance cost of enterprise, good economic benefits and social have.

Description

Hydraulic stirrer

Technical Field

The utility model relates to a sewage treatment device technical field, concretely relates to hydraulic stirrer.

Background

The hydraulic stirrer used in the sewage treatment plant is a plug flow device in the production flow of sewage treatment, the quantity is numerous and indispensable in the sewage treatment plant, because the hydraulic stirrer works in various sewage throughout the year, and the rotating speed is not synchronous rotating speed mostly, so that a motor directly connected with the hydraulic stirrer is soaked in the sewage throughout the year, a reduction gearbox is required to be equipped, some have special requirements such as explosion prevention, the working environment is harsh, the service life is short, and the enterprise operation and maintenance cost are high.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a hydraulic stirrer, which has the advantages of simple structure, no motor, uneasiness, corrosion resistance, convenient design, manufacture and maintenance, etc.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a hydraulic mixer comprises a hydraulic mixer, a guide rod, a water pump and a turbine, wherein the hydraulic mixer is connected with the guide rod and is arranged below the water surface; the water pump is connected with a turbine through a hose, the turbine is connected with a hydraulic mixer, and the water pump is arranged above the water surface; the hydraulic mixer comprises a main shaft, a guide vane part, a rotating wheel part and a tail water part, wherein the guide vane part, the rotating wheel part and the tail water part are sequentially connected, the main shaft penetrates through the guide vane part, the rotating wheel part and the tail water part and then extends out of the tail water part, and an impeller is arranged at the end part of the main shaft.

As a preferred technical solution of the present invention: a first bearing seat connected with the main shaft through a first bearing is arranged in the guide vane part, a first mechanical sealing seat is arranged on the first bearing seat, and the first mechanical sealing seat is connected with a first mechanical seal arranged on the main shaft; the first mechanical sealing seat and the first bearing seat enclose a first oil chamber, and lubricating grease is filled in the first oil chamber;

the tail water part is provided with a second bearing seat, a second bearing is arranged between the second bearing seat and the main shaft, a second mechanical sealing seat is arranged on the second bearing seat, and the second mechanical sealing seat is connected with a third mechanical seal arranged on the main shaft; the main shaft is further provided with a shaft retainer ring, the shaft retainer ring is located on the outer side of the tail water part, a second mechanical seal is arranged on the main shaft between the tail water part and the shaft retainer ring, a second oil chamber is defined by the second mechanical seal seat and the second bearing seat, and lubricating grease is filled in the second oil chamber.

As a preferred technical solution of the present invention: the guide vane part is connected with a volute of the turbine, a plurality of guide vanes are arranged in the guide vane part, and sealing glue is filled at two ends of each guide vane; the rotating wheel part comprises a surrounding cover, a wheel blade and a rotating wheel body in key connection with the main shaft, the rotating wheel body is connected with the wheel blade, and a gasket is arranged on the side surface of the rotating wheel body facing the first mechanical seal;

the main shaft of the part extending out of the tail water is connected with an impeller key; a cap is arranged at the top of the main shaft, and a small gasket is arranged between the cap and the main shaft.

As a preferred technical solution of the present invention: the side surface of the hydraulic mixer is provided with a lifting ring, and the lifting ring is connected with a cross beam arranged on the guide rod through a rope; a bracket is arranged behind the hydraulic mixer and movably connected to the guide rod; the hose is a metal hose, a rotating speed sensor and a pressure sensor are arranged on the water pump, the rotating speed sensor, the pressure sensor and the power supply device are connected with a control system, and the control system is connected with a display; the impeller consists of at least two blades connected with the main shaft in a key manner.

As a preferred technical solution of the present invention: the lifting ring is a lifting ring screw in threaded connection with the guide vane part shell; the blade is a wide and thin backswept blade with a smooth surface.

The utility model discloses following beneficial effect has:

1. the hydraulic mixer utilizes the additional water pump to provide water flow driving which is suitable for the hydraulic mixer and is rich in water head energy, replaces the original special motor, not only meets the severe working environment, but also greatly prolongs the service life, greatly reduces the operation and maintenance cost of enterprises, and has good economic benefit and social benefit.

2. The hydraulic mixer is of a direct-coupled structure, has the advantages of compact structure, low energy consumption, convenient maintenance and the like, and has good functions of high axial thrust, self-cleaning and winding prevention.

3. The first oil chamber and the second oil chamber store #2 lithium grease which is used for lubricating a bearing and a cooling machine seal and has the function of isolating leakage liquid.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of a configuration of a hydromixer;

FIG. 3 is a cross-sectional view of a water blender;

in fig. 1-3, 1, a hydraulic mixer, 2, a guide rod, 3, a water pump, 4, a turbine, 5, a hose, 6, a guide vane portion, 7, a runner portion, 8, a tail water portion, 9, a main shaft, 10, an impeller, 11, a first bearing, 12, a first bearing seat, 13, a first mechanical seal seat, 14, a first oil chamber, 15, a second bearing seat, 16, a second bearing, 17, a third mechanical seal, 18, a shaft retainer ring, 19, a second mechanical seal, 20, a second mechanical seal seat, 21, a second oil chamber, 22, a first seal ring, 23, an adjustment shaft cover, 24, a second seal ring, 25, a third seal ring, 26, a straight-through cup, 27, a guide vane, 28, a sealant, 29, a shroud, 30, a wheel vane, 31, a runner body, 32, a gasket, 33, a cap, 34, a small gasket, 35, a rope, 36, a blade, 37, a lifting ring, 38, a guide vane, a lifting ring, a water pump, Bracket, 39, first mechanical seal, 40, lid.

Detailed Description

In order to make the objects and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-3, an embodiment of the present invention provides a hydraulic mixer, which includes a hydraulic mixer 1, a guide rod 2, a water pump 3, and a turbine 4, wherein the hydraulic mixer 1 is disposed below the water surface of the water pool through the guide rod 2, the water pump 3 is connected to the turbine 4 through a hose 5, the turbine 4 is connected to the hydraulic mixer 1, the water pump 3 is disposed above the water surface, i.e., above the water pool, and the hose 5 is preferably a metal hose 5; one end of the guide rod 2 extends into the water pool, the other end of the guide rod is arranged above the water pool, a hanging ring 37 is arranged on the side surface of the hydraulic mixer 1, the hanging ring 37 is preferably a hanging ring screw, and the hanging ring screw is connected with a cross beam arranged on the guide rod 2 through a rope 35; a bracket 38 is arranged behind the hydraulic mixer 1, the bracket 38 is movably connected to the guide rod 2, and the hydraulic mixer 1 can be lifted or lowered along the direction of the guide rod 2 by pulling the rope 35; the guide rod 2 is used for guiding the hydraulic mixer 1 to lift or descend, supports the hydraulic mixer 1 when in use, can horizontally adjust the mixing direction, and can disassemble and assemble the hydraulic mixer 1 under the condition of not emptying pool water.

A rotating speed sensor and a pressure sensor are arranged on the water pump 3, the rotating speed sensor and the pressure sensor are connected with a control system, and the control system can also be connected with a power supply device of the water pump 3 and used for controlling the start and stop of the water pump; the control system is a PLC and is connected with the display; the running condition of the hydraulic mixer 1 can be known in real time by monitoring the pressure and the rotating speed of the outlet of the water pump 3 through the display, and once the pressure rises rapidly, whether the hydraulic mixer 1 is locked, locked and rotated or not needs to be considered, so that the hydraulic mixer 1 is prevented from being damaged.

The hydraulic mixer 1 comprises a main shaft 9, a guide vane part 6, a rotating wheel part 7 and a tail water part 8 which are connected in sequence, wherein the main shaft 9 penetrates through the guide vane part 6, the rotating wheel part 7 and the tail water part 8 and then extends out of the tail water part 8, and an impeller 10 is arranged on the main shaft 9 extending out of the tail water part 8; a cap 33 is arranged at the top of the main shaft 9, and a small gasket 34 is arranged between the cap 33 and the main shaft 9; the impeller 10 consists of at least two blades 36 which are connected with the main shaft 9 in a key way; the blades 36 are wide and thin, and the surface of each blade 36 is smooth, so that the impeller 10 runs efficiently without winding; the runner part 7 comprises a surrounding cover 29, vanes 30 and a runner body 31 which is in key connection with the main shaft 9, and the runner body 31 is connected with the vanes 30; the hydraulic mixer has simple structure, no motor, and convenient design, manufacture and maintenance.

The outer part of the guide vane part 6 is connected with a volute of the turbine 4, a plurality of guide vanes 27 are arranged in the guide vane part 6, sealing glue 28 is filled at the joints of two ends of each guide vane 27, a first bearing seat 12 connected with the main shaft 9 through a first bearing 11 is arranged in the guide vane part 6, a first mechanical sealing seat 13 is arranged on the first bearing seat 12, and the first mechanical sealing seat 13 is connected with a first mechanical seal 39 arranged on the main shaft 9; a gasket 32 is arranged on the side surface of the runner body 31 facing the first mechanical seal 39; the first mechanical seal seat 13 and the first bearing seat 12 enclose a first oil chamber 14, and the first oil chamber 14 is filled with lubricating grease.

A second bearing seat 15 is arranged on the tail water part 8, a cover 40 is arranged on the outer side of the second bearing seat 15, a second bearing 16 is arranged between the second bearing seat 15 and the main shaft 9, a second mechanical sealing seat 20 is arranged on the second bearing seat 15, and the second mechanical sealing seat 20 is connected with a third mechanical seal 17 arranged on the main shaft 9; the main shaft 9 is further provided with a shaft retainer ring 18, the shaft retainer ring 18 is positioned on the outer side of the tail water part 8, a second mechanical seal 19 is arranged on the main shaft 9 between the tail water part 8 and the shaft retainer ring 18, a second oil chamber 21 is defined by the second mechanical seal seat 20 and the second bearing seat 15, and lubricating grease is filled in the second oil chamber 21.

A first sealing ring 22 is arranged between the first mechanical sealing seat 13 and the first bearing seat 12, a second sealing ring 24 is arranged between the second mechanical sealing seat 20 and the second bearing seat 15, the first bearing 11 and the second bearing 16 are tapered roller bearings, the tapered roller bearings are disposable lubrication bearings, and the design life is more than 100000 hours; an adjusting shaft cover 23 is arranged on the outer side of the first bearing seat 12, and a third sealing ring 25 is arranged between the adjusting shaft cover 23 and the first bearing seat 12; a straight-through type oil injection cup 26 is arranged on the adjusting shaft cover 23 and the second bearing seat 15, and the lubricating grease is #2 lithium grease which is used for lubricating a bearing and a cooling machine seal and has the function of isolating leakage liquid; the first sealing ring 22, the second sealing ring 24 and the third sealing ring 25 are O-shaped sealing rings, and the bearings, the first oil chamber and the second oil chamber can be sealed by the first sealing ring 22, the second sealing ring 24, the third sealing ring 25, the first mechanical seal 39, the second mechanical seal 19, the third mechanical seal 17 and the sealant 28; the hydraulic stirrer can meet severe working conditions such as sewage, silt and the like, thereby putting an end to major accidents of motor burnout, effectively ensuring the reliability of the hydraulic stirrer and being capable of operating in sewage for a long time.

The working principle of the specific implementation is as follows: pumping water in the water pool into the hydraulic mixer 1 through the water pump 3, and converting kinetic energy of water flow into rotary mechanical energy through a rotating wheel part 7 in a machine shell of the hydraulic mixer 1; the runner 30 transmits mechanical energy to the front impeller 10 through the direct-connected main shaft 9, and then drives the impeller 10 to rotate, so that water flow in the water pool is generated. The stirring effect of the hydromixer 1 depends on the density and viscosity of the liquid and the shape and volume of the basin. One or more mixers should be used as the case may be. In order for the hydromixer 1 to perform its mixing function adequately in a suitable volume, this criterion is generally determined by the flow rate, which is preferably kept between 0.15 and 0.30 m/s.

The utility model utilizes an additional water pump to pump the sewage pool water where the hydraulic mixer is positioned or the qualified water treated by a sewage treatment plant to form high-energy water flow with certain water head and certain flow, and the high-energy water flow is connected into a turbine one by one or more than one by one to drive the hydraulic mixer to rotate according to the designed working condition to replace the original driven motor; the material is made of anticorrosive material, so that the anticorrosive requirement is met; aiming at the design of asynchronous rotating speed of a hydraulic mixer, the requirement of direct connection at the same rotating speed is met; and a design of continuous working for many years is adopted, so that the maintenance is not carried out for several years, such as ten years.

If the hydraulic mixer is adopted, the modification is economically feasible due to the additional cost of consumed electric energy of a water pump and the like and the modification cost such as the arrangement of the water pump, the hose, the runner part and the like which are less than the maintenance, overhaul and replacement cost of a special motor before the modification of an enterprise in the service life of a plurality of years.

According to the input power of 4 kilowatts of a given motor-driven stirring machine and the rotating speed of 680 revolutions per minute, the utility model can be converted into a cylinder-like shape with the unit specific rotating speed of 31.27, the water column height of 20.4 meters of the water head of the hydraulic turbine, the volume flow of 84.45 cubic meters per hour, the efficiency of 85.3 percent, the length of 465 millimeters and the diameter of 352 millimeters, thereby meeting the installation requirement of the hydraulic stirring machine; the utility model can be applied to the occasions which contain suspended matters and need to be mixed and stirred, such as an aeration tank, an anaerobic tank, a sludge tank and the like of a sewage treatment plant; environments with high operational safety in industrial processes, such as water, paper industry, food and chemical industry containing metal salts, pulp and fiber materials; certain industrial sewage treatment processes that contain some abrasive particles, debris, and metal salts; generating water flow in the fishpond and improving the quality of water; water flow is created in the sluice, and suspended matters are effectively prevented from depositing and the like.

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

Claims

1. A hydraulic mixer, characterized by: the water power mixer is connected with the guide rod and arranged below the water surface; the water pump is connected with a turbine through a hose, the turbine is connected with a hydraulic mixer, and the water pump is arranged above the water surface; the hydraulic mixer comprises a main shaft, a guide vane part, a rotating wheel part and a tail water part, wherein the guide vane part, the rotating wheel part and the tail water part are sequentially connected, the main shaft penetrates through the guide vane part, the rotating wheel part and the tail water part and then extends out of the tail water part, and an impeller is arranged at the end part of the main shaft.

2. A hydraulic mixer according to claim 1, wherein: a first bearing seat connected with the main shaft through a first bearing is arranged in the guide vane part, a first mechanical sealing seat is arranged on the first bearing seat, and the first mechanical sealing seat is connected with a first mechanical seal arranged on the main shaft; the first mechanical sealing seat and the first bearing seat enclose a first oil chamber, and lubricating grease is filled in the first oil chamber;

3. A hydraulic mixer according to claim 2, further comprising: a first sealing ring is arranged between the first sealing seat and the bearing seat, a second sealing ring is arranged between the second sealing seat and the second bearing seat, the first bearing and the second bearing are tapered roller bearings, an adjusting shaft cover is arranged on the outer side of the first bearing seat, and a third sealing ring is arranged between the adjusting shaft cover and the first bearing seat; and the adjusting end cover and the second bearing seat are provided with straight-through oil injection cups, and the lubricating grease is #2 lithium-based grease.

4. A hydraulic mixer according to claim 2, further comprising: the guide vane part is connected with a volute of the turbine, a plurality of guide vanes are arranged in the guide vane part, and sealing glue is filled at two ends of each guide vane; the rotating wheel part comprises a surrounding cover, a wheel blade and a rotating wheel body in key connection with the main shaft, the rotating wheel body is connected with the wheel blade, and a gasket is arranged on the side surface of the rotating wheel body facing the first mechanical seal;

the main shaft extending out of the tail water part is connected with the impeller key; a cap is arranged at the top of the main shaft, and a small gasket is arranged between the cap and the main shaft.

5. A hydraulic mixer according to any one of claims 1-4, wherein: the side surface of the hydraulic mixer is provided with a lifting ring, and the lifting ring is connected with a cross beam arranged on the guide rod through a rope; a bracket is arranged behind the hydraulic mixer and movably connected to the guide rod; the hose is a metal hose, a rotating speed sensor and a pressure sensor are arranged on the water pump, the rotating speed sensor, the pressure sensor and the power supply device are connected with a control system, and the control system is connected with a display; the impeller consists of at least two blades connected with the main shaft in a key manner.

6. A hydraulic mixer according to claim 5, wherein: the lifting ring is a lifting ring screw in threaded connection with the guide vane part shell; the blade is a wide and thin backswept blade with a smooth surface.