CN215197640U - Cooling system of overweight centrifugal machine - Google Patents
Cooling system of overweight centrifugal machine Download PDFInfo
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- CN215197640U CN215197640U CN202121183111.2U CN202121183111U CN215197640U CN 215197640 U CN215197640 U CN 215197640U CN 202121183111 U CN202121183111 U CN 202121183111U CN 215197640 U CN215197640 U CN 215197640U
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Abstract
The utility model provides a cooling system of an overweight centrifuge, which comprises a pipeline for connecting each part, a water supply component and a centrifuge cooling component; the water supply assembly comprises a water supply pump and a water filter; the centrifugal machine cooling assembly is positioned below the centrifugal machine cabin and comprises a motor air cooler and a bearing oil cooling system; the bearing oil cooling system comprises a bearing oil return pipe, a bearing oil cooler, an oil return tank and a bearing oil supply pipe, wherein the bearing oil return pipe, the bearing oil cooler, the oil return tank and the bearing oil supply pipe are connected in sequence; the cold water flowing out of the water filter is respectively subjected to heat exchange with the motor hot air of the motor air cooler and the bearing hot oil of the bearing oil cooler and then discharged through a pipeline. This technical scheme is through flowing cold water respectively to hypergravity centrifuge bearing and motor cooling, can effectively avoid hypergravity centrifuge operation in-process bearing to burn and motor temperature high grade trouble, guarantee hypergravity centrifuge's safe operation, extension equipment life.
Description
Technical Field
The utility model relates to a centrifuge refrigerated technical field.
Background
The centrifuge used in scientific experiments is equipment which is used for scientific researchers to develop scientific researches and experimental construction by generating high centrifugal acceleration to simulate a centrifugal force environment which is multiple of gravity through rotating a rotating arm at a high speed. The centrifugal machine for carrying out scientific experiments in the world at present mainly comprises: centrifuges tested in military industries such as aerospace and aviation; geotechnical centrifuge for engineering industry test of traffic, water conservancy, geotechnical, etc.; manned centrifuges for pilot or astronaut training, and precision centrifuges in the metering field.
The construction and the test of the large-capacity centrifuge in China are started in the last 60 th century, the key technology of the centrifuge is mastered through the development and the accumulation of decades, and the capacity of the operated centrifuge reaches 500 g.t. However, with the development needs of the large-scale engineering and the cross test of development multiple disciplines of the times, the existing centrifugal machine cannot simulate the large-scale or huge engineering, the capacity needs to be improved from hundred grades of g.t to thousand g.t, the experimental function is compounded from single to composite, and particularly, the space and time scale can be compressed, the physical movement time is shortened, and the effect of space-time compression is generated by stacking the extreme environments and performing geotechnical tests, deep sea tests, geotechnical seismic tests and the like. Therefore, the demand of scientific experiments has brought forth the rapid development of high-capacity hypergravity centrifuges.
The supergravity centrifugal machine is composed of motor drive (including motor air cooler), main shaft, bearing seat, rotating arm, hanging basket, auxiliary equipment and control system, and its capacity is closely related to the diameter of rotating arm, weight of hanging basket (including model device) and rotating speed. Along with the increase of capacity, the problems of the structure, strength, safety, temperature rise, an ultra-high power motor and the like of a centrifuge host need to be solved urgently. In the rotating process of the supergravity centrifugal machine, along with the increase of capacity, the friction loss of a bearing generates a large amount of heat, so that the temperature of a bearing bush is increased, and the safe operation of a main machine is seriously influenced; similarly, the high-power driving motor is nearly 9MW, and the traditional natural ventilation cooling method cannot meet the operation requirement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the shortcoming that exists among the prior art, provide a simple structure, the cooling effect is good and energy-concerving and environment-protective super large capacity centrifuge cooling system.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a cooling system of an overweight centrifugal machine comprises a pipeline, a water supply assembly and a centrifugal machine cooling assembly, wherein the pipeline is used for connecting all the parts; the water supply assembly comprises a water supply pump and a water filter; the centrifugal machine cooling assembly is positioned below the centrifugal machine cabin and comprises a motor air cooler and a bearing oil cooling system; the bearing oil cooling system comprises a bearing oil return pipe, a bearing oil cooler, an oil return tank and a bearing oil supply pipe, wherein the bearing oil return pipe, the bearing oil cooler, the oil return tank and the bearing oil supply pipe are connected with the bearing pedestal in sequence; the cold water flowing out of the water filter is respectively subjected to heat exchange with the motor hot air of the motor air cooler and the bearing hot oil of the bearing oil cooler and then discharged through a pipeline.
Furthermore, the technical scheme also comprises a collecting tank for collecting hot water after heat exchange, wherein the collecting tank is provided with a water supply pipe connected with the water using end and an overflow pipe for adjusting the height of the water level of the collecting tank.
Furthermore, the water supply assemblies are two groups, and the water filters are respectively and correspondingly connected with the motor air cooler and the bearing oil cooler through pipelines.
Furthermore, a water pump control valve is arranged between the water supply pump and the water filter, and an electric water control valve is arranged at a water inlet of the water supply pump.
Furthermore, the inlet and outlet ends of the water supply pump and the water filter are respectively provided with a pressure gauge and a differential pressure transmitter.
Furthermore, the inlet and outlet of the motor air cooler and the bearing oil cooler are respectively provided with a temperature transmitter, a pressure transmitter and a flow regulating valve.
The utility model discloses a flowing cold water is respectively to hypergravity centrifuge bearing and motor cooling, can effectively avoid hypergravity centrifuge operation in-process bearing to burn out and motor temperature high grade trouble, guarantee hypergravity centrifuge's safe operation, extension equipment life. Meanwhile, the cooling water source can be a nearby reservoir, a lake or a tap water pipe network and the like, water taking is convenient, water taking is low in cost, hot water generated after heat exchange is conducted is led to a proper area through the collecting pool to be used as a production or living heat source, recycling is achieved, and energy conservation and environmental protection are achieved.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic layout diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Reference is made to the accompanying drawings. The utility model discloses a pipeline 1, water supply assembly and centrifuge cooling module of connecting each part. Wherein, the water supply assembly includes a water supply pump 2 and a full-automatic water filter 3. The supergravity centrifuge is arranged in layers and is divided into a centrifuge cabin on the upper part and a driving chamber on the lower part, and the centrifuge cooling assembly is positioned in the driving chamber and comprises a motor air cooler 4 and a bearing oil cooling system. The bearing oil cooling system comprises a bearing oil return pipe 5, a bearing oil cooler 6, an oil return tank 7 and a bearing oil supply pipe 8 connected to a bearing seat 9, wherein the bearing oil return pipe 5, the bearing oil cooler 6 and the oil return tank are connected in sequence. In general, in order to facilitate the circulation of bearing lubricating oil, the oil return box 7 and the cooler 6 of the bearing of the supergravity centrifugal machine are arranged outside a driving chamber pier with a slightly lower elevation, and the oil supply and discharge pipe 8 of the bearing is sealed and plugged. The solution also comprises a collecting tank 10 for collecting the hot water after heat exchange.
The water supply assemblies are two groups, the water filters are respectively and correspondingly connected with the motor air cooler 4 and the bearing oil cooler 6 through pipelines, so that cold water flowing out of the water filters 3 is respectively subjected to heat exchange with motor hot air of the motor air cooler 4 and bearing hot oil of the bearing oil cooler 6 and then is discharged into the collecting pool 10 through the pipelines. The collecting pool 10 is located at a position lower than an air cooler of a motor of the supergravity centrifugal machine, and the collecting pool 10 is provided with a water supply pipe 11 connected with a water using end and an overflow pipe 12 used for adjusting the water level height of the collecting pool 10, so that hot water can be recycled conveniently. If the water level in the collection basin 10 is too high, it can be directed to the appropriate location via overflow pipe 12.
A water pump control valve 13 is arranged between the water supply pump 2 and the water filter 3, and an electric water control valve 14 is arranged at a water inlet of the water supply pump; the inlet and outlet ends of the water supply pump 2 and the water filter 3 are respectively provided with a pressure gauge and a differential pressure transmitter 15; the inlet and outlet of the motor air cooler 4 and the bearing oil cooler 6 are respectively provided with a temperature transmitter, a pressure transmitter and a flow regulating valve 16. In particular, all valves and equipment in this case can be controlled or operated in situ by the control panel cabinet to optimize cooling water supply and to optimize operation of the bearing pads and generator stator. Whether normal operating, for preventing bearing temperature high fever tile or motor temperature too high, influence unit safety through pressure transmitter and flow switch monitoring system water supply condition, if necessary, automatic component feedback signal on the pipeline can be used to hypergravity centrifuge emergency shutdown.
The working principle of the embodiment is as follows:
before the hypergravity centrifugal machine is started, the cooling system is put into operation in advance.
System investment: and opening the electric valve 14, starting the cooling water supply pump 2, opening the water pump control valve 13, enabling cooling water to flow through the cooling water supply pump 2 and the full-automatic water filter 3 through the pipeline 1, and leading the cooling water to the hypergravity centrifugal machine bearing oil cooler 6 and the hypergravity centrifugal machine motor air cooler 4 through the pipeline 1 respectively.
And (3) exiting the system: the cooling water supply pump 2 is closed firstly, the hydraulic control valve 17 is closed slowly in order to prevent water hammer in the pipeline, finally the electric ball valve 14 is closed, the system is withdrawn, and water supply is stopped.
It should be noted that the above describes exemplifying embodiments of the invention. However, it should be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, which are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the scope of the present invention, and the changes and modifications are intended to fall within the scope of the present invention as claimed.
Claims (6)
1. A cooling system of an overweight centrifuge is characterized by comprising a pipeline for connecting all parts, a water supply assembly and a centrifuge cooling assembly; the water supply assembly comprises a water supply pump and a water filter; the centrifugal machine cooling assembly is positioned below the centrifugal machine cabin and comprises a motor air cooler and a bearing oil cooling system; the bearing oil cooling system comprises a bearing oil return pipe, a bearing oil cooler, an oil return tank and a bearing oil supply pipe, wherein the bearing oil return pipe, the bearing oil cooler, the oil return tank and the bearing oil supply pipe are connected with the bearing pedestal in sequence; and cold water flowing out of the water filter is respectively subjected to heat exchange with motor hot air of the motor air cooler and bearing hot oil of the bearing oil cooler and then discharged through a pipeline.
2. A cooling system for a centrifuge of the type defined in claim 1, further comprising a collection tank for collecting the heat-exchanged hot water, said collection tank being provided with a water supply pipe connected to the water usage end and an overflow pipe for adjusting the height of the water level in said collection tank.
3. The cooling system of claim 1 or 2, wherein the water supply assemblies are provided in two groups, and the water filters are respectively connected to the motor air cooler and the bearing oil cooler through pipes.
4. The cooling system of claim 3, wherein a water pump control valve is provided between the water supply pump and the water filter, and an electric water control valve is provided at the water inlet of the water supply pump.
5. A cooling system for a centrifuge of the type defined in claim 4 wherein the water supply pump and the water filter are provided with a pressure gauge and a pressure differential transmitter at the inlet and outlet ends.
6. A cooling system of an ultraheavy centrifuge as recited in claim 3, wherein the inlet and outlet of the motor air cooler and the bearing oil cooler are each provided with a temperature transmitter, a pressure transmitter and a flow regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121183111.2U CN215197640U (en) | 2021-05-28 | 2021-05-28 | Cooling system of overweight centrifugal machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121183111.2U CN215197640U (en) | 2021-05-28 | 2021-05-28 | Cooling system of overweight centrifugal machine |
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| Publication Number | Publication Date |
|---|---|
| CN215197640U true CN215197640U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121183111.2U Active CN215197640U (en) | 2021-05-28 | 2021-05-28 | Cooling system of overweight centrifugal machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024013068A1 (en) * | 2022-07-12 | 2024-01-18 | Gea Westfalia Separator Group Gmbh | Method for monitoring and controlling the coolant temperature of a drive device of a separator |
-
2021
- 2021-05-28 CN CN202121183111.2U patent/CN215197640U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024013068A1 (en) * | 2022-07-12 | 2024-01-18 | Gea Westfalia Separator Group Gmbh | Method for monitoring and controlling the coolant temperature of a drive device of a separator |
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