Fluid drive centrifuge
阅读说明：本技术 一种流体驱动离心机 (Fluid drive centrifuge ) 是由 许水电 李延福 许涛 于 2018-08-19 设计创作，主要内容包括：本发明公开一种的流体驱动离心机,使用流体,如液压油、水或压缩空气为能源,驱动分离装置运动,其结构简单,扭矩大,转速高,传递效率高,能耗低,且振动小,可很好的满足离心机对转矩、转速以及运转平稳性的要求；同时流体动力装置,包括外圈和芯体,芯体的外环面的喷口和排口之间设有至少一阶以上的次冲流道,流体从进流通道进入,通过芯体的喷口及次冲流道的逐阶喷出,作用于外圈周向上的至少二驱动凹部,对这些驱动凹部产生推力推动外圈旋转做功,实现动力输出,最后,流体通过芯体的排口经排流通道排出。(The invention discloses a fluid-driven centrifugal machine, which uses fluid, such as hydraulic oil, water or compressed air as energy to drive a separation device to move, has simple structure, large torque, high rotating speed, high transmission efficiency, low energy consumption and small vibration, and can well meet the requirements of the centrifugal machine on the torque, the rotating speed and the running stability; meanwhile, the fluid power device comprises an outer ring and a core body, at least one-stage or more secondary flushing flow channel is arranged between the nozzle and the discharge port of the outer ring surface of the core body, fluid enters from the inflow channel, is sprayed out step by step through the nozzle and the secondary flushing flow channel of the core body, acts on at least two driving concave parts on the periphery of the outer ring, generates thrust on the driving concave parts to push the outer ring to rotate and do work, power output is achieved, and finally, the fluid is discharged through the discharge port of the core body through the discharge channel.)
1. A fluid driven centrifuge, characterized by: including separator and the fluid power device who drives this separator, its characterized in that, this fluid power device includes:
the outer ring is provided with a plurality of driving concave parts on the circumferential direction of the inner ring surface;
the core body is coaxially arranged in the outer ring and can rotate relative to the outer ring, and the outer ring surface of the core body is provided with at least one nozzle, at least one row of ports and at least one flushing channel positioned between the nozzle and the row of ports;
at least one inflow channel which is communicated with at least one nozzle; and
at least one row of flow channels communicated to the at least one row of ports;
fluid enters from the flow inlet channel, is sprayed out step by step through the nozzles of the core body and the secondary flushing flow channel, acts on at least two driving concave parts on the periphery of the outer ring, generates thrust on the driving concave parts to push the outer ring to rotate and do work, power output is achieved, and finally, the fluid is discharged through the discharge port of the core body through the discharge channel.
2. The fluid driven centrifuge of claim 1, wherein: the fluid power device comprises at least one independent work unit, wherein the independent work unit is formed by at least one inflow channel, at least one nozzle, at least two driving concave parts, at least one primary flushing channel, at least one row of ports and at least one row of flow channels.
3. The fluid driven centrifuge of claim 1, wherein: the inlet channel and the discharge channel are formed in the core body, the nozzle and the secondary flushing channel on the core body are communicated with the driving concave part corresponding to the outer ring, and the secondary flushing channel is arranged along the circumferential direction of the core body or the outer ring.
4. The fluid driven centrifuge of claim 3, wherein: on the core body comprises
The inlet channel is provided with a nozzle on the circumferential surface of the core body, the direction of the inlet channel is an arc line extending outwards from the middle, and the nozzle is communicated with the driving concave part corresponding to the outer ring to form a 1 st-step flow channel;
the secondary flushing flow channel is an arc line which extends from the edge of the core body to the edge of the core body in a bending mode, each secondary flushing flow channel is communicated with the front driving concave part and the rear driving concave part corresponding to the outer ring, and an N-step flow channel is formed along the circumferential direction of the core body, wherein N is a natural number larger than or equal to 2;
each step flow channel and the corresponding drive concave part of the outer ring are matched to form a multi-step stroke structure with the energy of the fluid decreasing progressively.
5. The fluid driven centrifuge of claim 3, wherein: the flow inlet channel of the core body is in a logarithmic spiral line extending outwards from the middle, the pole of the logarithmic spiral line is arranged on the central axis of the core body, and the trend angle of the logarithmic spiral line is 15-45 degrees.
6. The fluid driven centrifuge of claim 1, wherein: the fluid power device also comprises a shaft, the outer ring and the core body are coaxially arranged on the shaft, and the shaft is provided with a flow inlet channel and a flow outlet channel which are respectively communicated to the flow inlet channel and the flow discharge channel of the core body.
7. The fluid driven centrifuge of claim 2, wherein: the fluid power device comprises more than two independent acting units to form a multi-stage driving structure and is arranged along the circumferential direction of the core body or the outer ring.
8. The fluid driven centrifuge of any of claims 1 to 7, wherein: the inner ring surface of the outer ring is provided with more than 2 driving concave parts, each driving concave part is provided with a profile bottom surface and a driving surface, the profile line of the profile bottom surface is a logarithmic spiral line, and the pole of the logarithmic spiral line is arranged at the center of the core body.
9. The fluid driven centrifuge of any of claims 1 to 7, wherein: the separation device comprises a separation cover and a rotary impeller arranged in the separation cover, wherein the fluid power device is in transmission connection with the rotary impeller through a transmission mechanism, or the rotary impeller is integrally formed/fixedly connected to an outer ring of the fluid power device.
Technical Field
The invention discloses a fluid-driven centrifuge, belonging to the technical field of industrial mechanical devices according to the classification of International Patent Classification (IPC).
Background
The existing various centrifuges mostly adopt an engine and a centrifugal device, and the centrifugal device needs higher rotating speed and larger torque when rotating at high speed, and needs to isolate the vibration of the engine to the maximum extent, while the existing engine, no matter an electric motor or an internal combustion engine, can not well meet the actual use requirement.
The current research direction of a pneumatic engine in the engine is to develop a small engine with compact structure, high efficiency and reliability, most of the small engines are in the test stage, namely the trial-production stage, and large-scale commercial application is not yet available. At present, most of gas engine design prototypes are based on piston engines or vane pumps, energy conversion is realized through heat exchange, and power output is achieved.
The hydraulic energy is converted into mechanical energy mainly by a hydraulic engine and a hydraulic pump, and the hydraulic energy is mainly converted by a piston structure, a blade, a gear or other structures, so that the output of torque and speed is obtained. Due to the limitation of the original structure and principle, the existing device has the defects of multiple parts, complex structure, low efficiency and difficulty in obtaining larger torque and rotating speed simultaneously.
In order to further improve the performance of an engine, meet the working requirements of a centrifugal machine and realize compact-structure, efficient and reliable power generation and output, the inventor of the invention has been developed and researched for many years, so that the invention is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the fluid-driven centrifugal machine, the energy of the fluid is repeatedly utilized through the multi-stage flow channels arranged on the core body of the fluid power device in the circumferential direction, the outer ring is driven to rotate through the core body, the power output is realized, and the fluid-driven centrifugal machine has the advantages of compact structure, large torque, high rotating speed, high transmission efficiency, energy conservation, environmental protection and the like.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a fluid driven centrifuge, characterized by: including separator and the fluid power device who drives this separator, its characterized in that, this fluid power device includes:
the outer ring is provided with a plurality of driving concave parts on the circumferential direction of the inner ring surface;
the core body is coaxially arranged in the outer ring and can rotate relative to the outer ring, and the outer ring surface of the core body is provided with at least one nozzle, at least one row of ports and at least one flushing channel positioned between the nozzle and the row of ports;
at least one inflow channel which is communicated with at least one nozzle; and
at least one row of flow channels communicated to the at least one row of ports;
fluid enters from the flow inlet channel, is sprayed out step by step through the nozzles of the core body and the secondary flushing flow channel, acts on at least two driving concave parts on the periphery of the outer ring, generates thrust on the driving concave parts to push the outer ring to rotate and do work, power output is achieved, and finally, the fluid is discharged through the discharge port of the core body through the discharge channel.
Furthermore, at least one inflow channel, at least one nozzle, at least two driving concave parts, at least one primary flushing channel, at least one row of ports and at least one row of flow channels form an independent work unit, and the fluid power device comprises at least one independent work unit.
Further, the nozzle and the secondary flushing flow channel on the core body are communicated with the corresponding driving concave part of the outer ring, the secondary flushing flow channel and the corresponding driving concave part are arranged in a staggered mode and communicated in sequence, and the secondary flushing flow channel is arranged along the circumferential direction of the core body or the outer ring.
Further, the inlet passage and the outlet passage are formed in the core.
Further, the core body comprises:
the inlet channel is provided with a nozzle on the circumferential surface of the core body, the direction of the inlet channel is an arc line extending outwards from the middle, and the nozzle is communicated with the driving concave part corresponding to the outer ring to form a 1 st-step flow channel;
the secondary flushing flow channel is an arc line which extends from the edge of the core body to the edge of the core body in a bending mode, each secondary flushing flow channel is communicated with the front driving concave part and the rear driving concave part corresponding to the outer ring, and an N-step flow channel is formed along the circumferential direction of the core body, wherein N is a natural number larger than or equal to 2;
each step flow channel and the corresponding drive concave part of the outer ring are matched to form a multi-step stroke structure with the energy of the fluid decreasing progressively.
Further, the secondary flushing flow passage comprises a return passage and a communicated stroke passage, the return passage is communicated with the corresponding driving concave part of the outer ring, and the stroke passage is communicated with the other driving concave part.
Furthermore, the flow inlet channel of the core body extends to form a logarithmic spiral line from the middle to the outside, the pole of the logarithmic spiral line is arranged on the central axis of the core body, and the trend angle of the logarithmic spiral line is 15-45 degrees.
Furthermore, the core body is provided with a flow inlet channel, the trend of the flow inlet channel is a logarithmic spiral extending outwards from the middle, the trend of the stroke channel of the secondary flushing channel is a logarithmic spiral, and the trend of the logarithmic spiral of the stroke channel of the secondary flushing channel is approximately the same as the trend of the logarithmic spiral of the flow inlet channel.
Furthermore, the fluid power device also comprises a shaft, and the outer ring and the core body are coaxially arranged on the shaft.
Furthermore, the fluid power device also comprises a shaft, the outer ring and the core body are coaxially arranged on the shaft, and the shaft is provided with a flow inlet channel and a flow outlet channel which are communicated with the core body respectively.
The inlet and outlet channels in the shaft form an inlet and an outlet, and the inlet and outlet channels are of a non-communicated structure.
Furthermore, the outer ring is matched with the shaft through the side plate to form a closed space, and the core body is arranged in the closed space and is fixedly connected with the shaft.
Furthermore, the flow inlet channel, the nozzle, the driving concave part, the secondary flushing channel, the discharge port and the discharge channel in the independent power unit form a fluid flow path.
Furthermore, the fluid power device comprises more than two independent acting units to form a multi-stage driving structure and is arranged along the circumferential direction of the core body or the outer ring.
Furthermore, more than 2 driving concave parts are arranged on the inner ring surface of the outer ring, each driving concave part is provided with a profile bottom surface and a driving surface, the profile line of the profile bottom surface is a logarithmic spiral line, and the pole of the profile bottom surface is arranged at the center of the core body.
Furthermore, the separation device comprises a separation cover and a rotating impeller arranged in the separation cover, wherein the fluid power device is in transmission connection with the rotating impeller through a transmission mechanism, or the rotating impeller is integrally formed/fixedly connected to an outer ring of the fluid power device.
The fluid-driven centrifugal machine uses fluid, such as hydraulic oil, water or compressed air, as energy to drive the separation device to move, has the advantages of simple structure, large torque, high rotating speed, high transmission efficiency, low energy consumption and small vibration, and can well meet the requirements of the centrifugal machine on the torque, the rotating speed and the running stability.
The fluid power device of the invention has the following beneficial effects on the fluid centrifugal machine:
1. the multi-stage flow channels arranged on the core body are used, namely the inflow channel is used as a 1 st-stage flow channel, each time of flushing flow channels are used as 2 nd, 3 rd and 4 … … th-stage flow channels, fluid acts on the driving concave part of the outer ring from the 1 st-stage flow channel, the driving concave part is communicated with the 2 nd-stage flow channel and then returns to the 2 nd-stage flow channel and acts on the other driving concave part of the outer ring, the operation is repeated until the fluid is discharged from the drainage channel, the whole process is carried out along the forward direction of the rotation direction of the outer ring, the torque is large, the transmission efficiency is high, the utilization rate of the fluid is high, and the output torque is further increased along; the rotation requirement of the separation device is met.
2. The flow channels distributed in the circumferential direction of the core body effectively reduce the volume of the whole device, can be flexibly matched with power generation or output equipment in various fields, and meanwhile, the more the flow channels are arranged on the core body, the overall weight is reduced, and the output speed and the output efficiency of the device are further improved; the separation efficiency is higher, and the separation effect is better.
Drawings
FIG. 1 is a side view of a fluid centrifuge of
FIG. 2 is a partial cross-sectional view of a fluid centrifuge of
fig. 3 is a schematic view of a fluid dynamic device according to
Fig. 4 is a side view of the shaft a of the fluid dynamic device according to
Fig. 5 is a side view of the shaft B of the fluid dynamic device of
Fig. 6 is a sectional view of a fluid dynamic device according to
Fig. 7 is another layout view of the fluid dynamic device according to
Fig. 8 is a schematic view of a fluid dynamic device according to
Fig. 9 is a side view of the fluid dynamic device of
Fig. 10 is a side view of a shaft D of a fluid dynamic device according to
Fig. 11 is a radial cross-sectional view of a fluid dynamic device of
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
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