CN215951068U - Oil system for distributed phase modulator - Google Patents
Oil system for distributed phase modulator Download PDFInfo
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- CN215951068U CN215951068U CN202121732039.4U CN202121732039U CN215951068U CN 215951068 U CN215951068 U CN 215951068U CN 202121732039 U CN202121732039 U CN 202121732039U CN 215951068 U CN215951068 U CN 215951068U
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Abstract
The utility model discloses an oil system for a distributed phase modulator, which relates to the field of phase modulators and comprises an oil tank, a lubricating oil supply system, a top shaft oil system, an air-cooled oil cooling system and an integral protection structure, wherein the air-cooled oil cooling system comprises two air-cooled oil coolers connected in parallel, a temperature control valve and inlet and outlet stop valves; the whole system is integrated on a foundation slab, and a protective structure is arranged outside the container to form a container type device, so that the field installation workload is reduced, the requirement of outdoor operation is met, the construction of the structure of the project is reduced, the construction period is shortened, and the project investment is saved.
Description
Technical Field
The utility model relates to the field of phase modulators, in particular to an oil system for a distributed phase modulator.
Background
The phase modulator is used as a synchronous motor without mechanical load and in a special working state, can quickly provide dynamic reactive compensation for a power grid, and plays an important role in stable operation of the power grid. With the continuous increase of the scale of direct current power transmission and new energy power stations, the problem of electric energy quality is increasingly prominent, and the demand of a power grid on reactive power is increasing day by day. The rapid dynamic response characteristic of the phase modulator can be utilized to realize the universal improvement of the voltage level of each key node of the transmitting end and the receiving end, reduce the overvoltage level and the off-line risk of a new energy station and improve the ultra-high voltage direct current transmission power.
In order to maintain the normal operation of the phase modifier, the phase modifier system needs to be matched with a plurality of auxiliary systems, and an oil system is one of important auxiliary systems, is used for lubricating and cooling a bearing of the phase modifier and can ensure the safe and reliable operation of the phase modifier only by stable work.
The existing large phase modulator is mostly arranged in a converter station of a direct current transmission line, a phase modulator oil system is subjected to module design according to different functional partitions, is preliminarily assembled into a plurality of modules in an equipment factory, and then is integrally connected and assembled on a construction site. The type selection and the integral design of the oil system equipment are carried out according to the indoor operation environment, the influence of outdoor factors such as wind, sand, rain, snow and the like on the equipment is not considered, and the oil system equipment cannot be used outdoors. The cooling of oil adopts the water-cooling mode, needs the cooling water that flow, quality of water and temperature satisfied the requirement, and oil system can normally work. The working states of the two coolers are switched by adopting a three-way switching valve, so that the two coolers cannot be put into use at the same time.
The prior art has the following defects: the water-cooled plate cooler is adopted to cool oil liquid, continuous cooling water supply is needed, 1 set of off-station water supply system and 1 set of circulating cooling water device are needed to be configured in a phase modifier station, so that the construction investment of engineering is increased, certain water resource waste is caused, and the station is extremely uneconomical especially for some stations which are difficult to take water; the working states of the two coolers are switched by adopting a three-way switching valve, so that the two coolers cannot be put into use at the same time, and the hidden trouble of insufficient cooling capacity of the system under extreme conditions exists; the whole protective facilities are not arranged, the equipment is designed and supplied in a plurality of modules, the equipment can only be arranged indoors, a special concrete plant needs to be built, then the equipment is arranged in the plant to be connected and assembled, the field construction quantity is large, and the whole engineering construction cost is high and the period is long.
The prior art proposes a Chinese patent document with an authorization publication number of CN111092437A and a publication date of 2020, 5 and 1, and the patent document discloses the following technical scheme:
a pre-installed phase modulator system comprises a phase modulator module arranged on an integrated chassis, wherein the phase modulator module comprises a phase modulator body, a dragging motor and a cooling system; the integrated cartridge type lubricating oil module is arranged; the control module is arranged in the secondary prefabricated cabin and comprises a monitoring system, an excitation system, a protection system, a fault recording system, a power supply system, a selective PMU system and a time synchronization system. The phase modulator system can be assembled on site in a modularized mode after being preassembled and debugged, and the construction period is shortened.
According to the comparison document, the modules of the phase modifier are arranged on the integrated chassis to reduce the field installation workload and achieve the purpose of shortening the construction period of the transformer substation, the problem that a water-cooled plate cooler is adopted to cool oil liquid and needs continuous cooling water supply cannot be solved, and 1 set of off-station water supply system and 1 set of circulating cooling water device need to be configured in a phase modifier station, so that the construction investment of engineering is increased, certain water resource waste can be caused, and the phase modifier station is particularly uneconomical for some stations which are difficult to take water; the working states of the two coolers are switched by the three-way switching valve, the two coolers cannot be put into use at the same time, the hidden trouble problem that the cooling capacity of the system is insufficient under extreme conditions exists, and the problem that the phase modulator cannot be used outdoors cannot be solved.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems that the existing phase modulator oil system is limited in use condition and high in requirements for plant construction, the oil system for the distributed phase modulator, which can be arranged outdoors and does not need cooling water, is realized by adopting the following technical scheme:
an oil system for a distributed phase modulator comprises an oil tank, a lubricating oil supply system, a top shaft oil system, an air-cooled oil cooling system and an integral protection structure, wherein the oil tank comprises an electric heater, a liquid level transmitter, a thermoelectric unit and a thermometer;
the lubricating oil supply system comprises a lubricating oil pump set, an oil filter set and a lubricating oil pipeline;
the lubricating oil pipeline comprises a lubricating oil supply pipeline and a lubricating oil return pipeline, the lubricating oil supply pipeline is connected with a lubricating oil pump set, an oil filter and an oil cooler in sequence and then is connected with a phase modulator, one end of the return pipeline is connected with the phase modulator, and the other end of the return pipeline is connected with an oil tank;
the jacking shaft oil system comprises a jacking shaft oil pump set and a jacking shaft oil pipeline;
the jacking oil pipeline is divided into a jacking pump inlet pipeline and a jacking pump outlet pipeline, the jacking pump inlet pipeline is connected with the oil tank and the jacking oil pump, and the jacking oil pump and the phase modulator are connected with the outlet pipeline;
the air-cooled oil cooling system comprises two air-cooled oil coolers connected in parallel, a temperature control valve and inlet and outlet stop valves, wherein the temperature control valve is arranged at the outlet end of the cooler, and the inlet and outlet stop valves of the two coolers are independently arranged.
The lubricating oil pump group comprises a lubricating oil pump A and a lubricating oil pump B, wherein the two lubricating oil pumps are driven by an alternating current motor, and the outlets of the lubricating oil pumps are respectively provided with a check valve, a stop valve and a pressure gauge.
The oil filter group consists of two oil filters A and B which are connected in parallel, the oil filters are provided with three-way switching valves, and a differential pressure switch is arranged between an inlet and an outlet of each oil filter.
The jacking oil pump set comprises an alternating-current jacking oil pump A and a direct-current jacking oil pump B, and an outlet pipeline of the jacking oil pump is provided with a regulating valve block, a pressure gauge and a pressure switch.
The regulating valve block is a cartridge valve block.
The oil tank also comprises a smoke exhaust fan, an oil return magnetic filter screen, an oil-water mixing alarm device, an air respirator and a vacuum pressure gauge, and a connector which can be connected with a temporary oil filtering device is reserved.
The whole protection structure comprises a structure that the periphery of the whole protection structure is surrounded by shutters, the top of the whole protection structure is a thin steel plate, and a filter screen is arranged on the inner side of each shutter, so that external sand and dust are prevented from entering the inside of the device while the heat dissipation of the oil tank is guaranteed.
The air-cooled oil cooler is controlled by frequency conversion.
The oil tank, the lubricating oil supply system, the top shaft oil system, the air-cooled oil cooling system and the whole protection structure are integrated on a chassis to form a whole packaging device.
The oil tank, the lubricating oil supply system, the top shaft oil system and the integral protection structure are all surrounded and completely surrounded on the top surface, no enclosure is arranged on the periphery of the air-cooled oil cooler, and only the protection steel plate is arranged on the top of the air-cooled oil cooler, so that the cooling efficiency of the system is ensured.
The beneficial effects of the utility model include:
1. the utility model arranges a temperature regulating valve at the outlet of the cooler to ensure that the oil temperature is still controllable under the condition of the failure of the preceding stage control.
2. The two cooler inlet and outlet stop valves are independently arranged, and the coolers are switched or put into use at the same time under extreme conditions by different opening and closing combined states of different valves.
3. The utility model adopts the air-cooled oil cooler, the frequency conversion control of the cooling fan is realized, the rotating speed of the fan is controlled at any time according to the oil temperature, and the electric energy is saved.
4. The two coolers are respectively and independently provided with the inlet and outlet stop valves to realize the switching of the coolers, and the two coolers can be put into the system at the same time under extreme conditions to ensure the cooling capacity of the system.
5. The utility model adopts an air-cooled cooling mode, does not need cooling water, does not need a cooling circulating cooling water system, and is not limited by the conditions of a water source of a using place.
6. The regulating valve block is a cartridge valve block and integrates the functions of check, flow regulation and overflow.
7. The utility model integrates the whole system design on a foundation slab, arranges a protective structure outside the container to form a container type device, reduces the field installation workload, adapts to the requirement of outdoor operation, reduces the construction of the engineering structure, shortens the construction period and saves the project investment.
8. The periphery of the integral protection structure is surrounded by the shutters, the top of the integral protection structure is a thin steel plate, and the filter screen is arranged on the inner side of the shutters, so that the heat dissipation of the oil tank is ensured, and external sand and dust are prevented from entering the device.
9. The periphery of the air-cooled oil cooler is not provided with an enclosure, and the top of the air-cooled oil cooler is only provided with a protective steel plate so as to ensure the cooling efficiency of the system.
10. The utility model enlarges the application range of the phase modifier oil system, is not limited to indoor operation environment any more, does not need continuous cooling water supply any more, reduces the early investment and the field construction amount of a project, and also reduces the workload of equipment operation and maintenance.
Drawings
The utility model will be described in further detail with reference to the following description taken in conjunction with the accompanying drawings and detailed description, in which:
FIG. 1 is a schematic diagram of the system of the present invention;
fig. 2 is an appearance schematic diagram of the present invention.
The labels in the figure are:
1. lubricating oil supply port, 2, excitation end jacking shaft oil supply port, 3, jigger end jacking shaft oil supply port, 4, pressure switch, 5, oil return port, 6, oil cooler, 7, blowdown, 8, duplex filter, 9, alternating-current lubricating oil pump, 10, alternating-current high-pressure oil pump, 11, direct-current high-pressure oil pump, 12, oil mist removing equipment, 13, self-bypass filter, 14, to bypass filter, 15, electric heater, 16, oil mixing water alarm switch, 17, liquid level display, 18, oil level switch, 19, oil level transmitter, 20, bearing oil return port, 21, lubricating oil tank, 22, oil tank drain.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Example 1
As a preferred embodiment of the present invention, the present embodiment includes an oil tank, a lubricating oil supply system, a top shaft oil system, an air-cooled oil cooling system, and an overall protection structure, wherein the oil tank includes an electric heater 15, a liquid level transmitter, a thermoelectric unit, and a thermometer;
the lubricating oil supply system comprises a lubricating oil pump set, an oil filter set and a lubricating oil pipeline;
the lubricating oil pipeline comprises a lubricating oil supply pipeline and a lubricating oil return pipeline, the lubricating oil supply pipeline is connected with a lubricating oil pump set, an oil filter and an oil cooler 6 in sequence and then is connected with a phase modulator, one end of the return pipeline is connected with the phase modulator, and the other end of the return pipeline is connected with an oil tank;
the jacking shaft oil system comprises a jacking shaft oil pump set and a jacking shaft oil pipeline;
the jacking oil pipeline is divided into a jacking pump inlet pipeline and a jacking pump outlet pipeline, the jacking pump inlet pipeline is connected with the oil tank and the jacking oil pump, and the jacking oil pump and the phase modulator are connected with the outlet pipeline;
the air-cooled oil cooling system comprises two air-cooled oil coolers 6 which are connected in parallel, a temperature control valve and inlet and outlet stop valves, wherein the temperature control valve is arranged at the outlet end of the cooler, and the inlet and outlet stop valves of the two coolers are independently arranged.
Example 2
Referring to the attached fig. 1, the present invention includes an oil tank, a lubricating oil supply system, a top shaft oil system, an air-cooled oil cooling system and an integral protection structure, all of which are integrated on a chassis to form an integral container.
The lubricating oil supply system is used for taking oil from an oil tank, pressurizing the oil, cooling the oil by the air-cooled oil cooling system and then supplying the oil to a bearing lubricating oil interface of the phase modulator, the top shaft oil system is used for taking oil from an outlet of the air-cooled cooling system, pressurizing the oil and then supplying the oil to a high-pressure oil interface of the bearing, the oil fume exhaust system is used for carrying out fume emission treatment on the reflowed high-temperature oil, and the oil tank is provided with a fume exhaust fan, an electric heater 15, a liquid level transmitter, a thermoelectric group, a thermometer, an oil return magnetic filter screen, an oil-water mixing alarm device, an air respirator and a vacuum pressure gauge and is provided with an interface which can be connected with a temporary oil filtering device.
The lubricating oil supply system comprises a lubricating oil pump group, an oil filter group and a lubricating oil pipeline, wherein the lubricating oil pump group comprises a lubricating oil pump A and a lubricating oil pump B which are connected with an oil tank, the two lubricating oil pumps are driven by an alternating current motor, the outlet of each lubricating oil pump is respectively provided with a check valve, a stop valve and a pressure gauge, the oil filter group comprises two oil filters A and B which are connected in parallel, the filter is provided with a three-way switching valve, and a pressure difference switch is arranged between the inlet and the outlet of each oil filter. The lubricating oil pipeline comprises a lubricating oil supply pipeline and a lubricating oil return pipeline, the lubricating oil supply pipeline is connected with the lubricating oil pump set, the oil filter and the oil cooler 6 in sequence and then is connected with the phase modulator, one end of the return pipeline is connected with the phase modulator, and the other end of the return pipeline is connected with the oil tank.
The air-cooled oil cooling system comprises two air-cooled oil coolers 6 which are connected in parallel, a temperature control valve and inlet and outlet stop valves, wherein the cooling fan adopts frequency conversion control, the oil temperature is controlled by controlling the rotating speed of the fan, the temperature control valve is arranged at the outlet end of the cooler, the oil temperature can be controlled by ensuring the frequency conversion control failure of the fan, the inlet and outlet stop valves of the two coolers are independently arranged, and the coolers are switched or simultaneously put into extreme conditions by different opening and closing combined states of different valves.
The jacking shaft oil system is composed of a jacking shaft oil pump set, a regulating valve block and a jacking shaft oil pipeline, the jacking shaft oil pump set comprises an alternating-current jacking shaft oil pump A and a direct-current jacking shaft oil pump B, the jacking shaft oil pipeline is divided into a jacking shaft pump inlet pipeline and a jacking shaft oil pump outlet pipeline, the inlet pipeline is connected with an oil tank and a jacking shaft oil pump, an outlet pipeline is connected with the jacking shaft oil pump and a phase modulator, the jacking shaft oil pump outlet pipeline is provided with the regulating valve block, a pressure gauge and a pressure switch 4, the regulating valve block is a cartridge valve block, and functions of non-return, flow regulation and overflow are integrated.
The whole protection structure is surrounded by the louver, the top is a thin steel plate, the filter screen is arranged on the inner side of the louver, external sand and dust are prevented from entering the device while heat dissipation of the oil tank is guaranteed, all equipment on the oil tank and the upper portion are surrounded and the top surface is completely surrounded, the air-cooled oil cooler is not surrounded, the protection steel plate is arranged only on the top to guarantee cooling efficiency of the system, the side-by-side doors are arranged on two sides of the protection structure, and the observation window is arranged on the surface of a gauge panel of the pressure gauge.
Example 3
The oil tank is provided with a smoke exhaust fan, an electric heater 15, a liquid level transmitter, a thermoelectric group, a thermometer, an oil return magnetic filter screen, an oil mixing alarm device, an air respirator and a vacuum pressure gauge, and an interface capable of being connected with a temporary oil filtering device is reserved.
The lubricating oil supply system is composed of a lubricating oil pump group, an oil filter group and a lubricating oil pipeline, wherein the lubricating oil pump group comprises a lubricating oil pump A and a lubricating oil pump B which are connected with an oil tank, the outlet of the lubricating oil pump is respectively provided with a check valve, a stop valve and a pressure gauge, the oil filter group is composed of an oil filter A and an oil filter B which are connected in parallel, the filter is provided with a three-way switching valve, and a differential pressure switch is arranged between the inlet and the outlet of the oil filter. The lubricating oil pipeline comprises a lubricating oil supply pipeline and a lubricating oil return pipeline, the lubricating oil supply pipeline is connected with the lubricating oil pump set, the oil filter and the oil cooler 6 in sequence and then is connected with the phase modulator, one end of the return pipeline is connected with the phase modulator, and the other end of the return pipeline is connected with the oil tank.
The air-cooled oil cooling system comprises two air-cooled oil coolers 6 which are connected in parallel, a temperature control valve and inlet and outlet stop valves, wherein the temperature control valve is arranged at the outlet end of the cooler, the oil temperature can be guaranteed to be controlled when the frequency conversion control of a fan fails, the inlet and outlet stop valves of the two coolers are independently arranged, and the coolers are switched or simultaneously put into extreme conditions through different valve opening and closing combination states.
The jacking shaft oil system is composed of a jacking shaft oil pump set, a regulating valve block and a jacking shaft oil pipeline, wherein the jacking shaft oil pump set comprises an alternating-current jacking shaft oil pump A and a direct-current jacking shaft oil pump B, the jacking shaft oil pipeline is divided into a jacking shaft pump inlet pipeline and a jacking shaft oil pump outlet pipeline, the inlet pipeline is connected with an oil tank and a jacking shaft oil pump, an outlet pipeline is connected with a jacking shaft oil pump and a phase modulator, and the jacking shaft oil pump outlet pipeline is provided with a regulating valve block, a pressure gauge and a pressure switch 4.
The whole protection structure is surrounded by the shutters, the top is a thin steel plate, the filter screen is arranged on the inner side of the shutters, so that external sand and dust are prevented from entering the device while heat dissipation of the oil tank is guaranteed, all the equipment on the oil tank and the upper portion and the top surface are completely protected, no protection is arranged around the air-cooled oil cooler, and the protection steel plate is only arranged on the top to guarantee cooling efficiency of the system.
Example 4
Referring to fig. 2 of the drawings, the present invention comprises an oil tank, a lubricating oil supply system, a top shaft oil system, an air-cooled oil cooling system and an integral protection structure, all of which are integrated on a chassis to form an integral container.
The lubricating oil supply system is used for taking oil from an oil tank, pressurizing the oil, cooling the oil by the air-cooled oil cooling system and then supplying the oil to a bearing lubricating oil interface of the phase modulator, the top shaft oil system is used for taking oil from an outlet of the air-cooled cooling system, pressurizing the oil and then supplying the oil to a high-pressure oil interface of the bearing, the oil fume exhaust system is used for carrying out fume emission treatment on the reflowed high-temperature oil, and the oil tank is provided with a fume exhaust fan, an electric heater 15, a liquid level transmitter, a thermoelectric group, a thermometer, an oil return magnetic filter screen, an oil-water mixing alarm device, an air respirator and a vacuum pressure gauge and is provided with an interface which can be connected with a temporary oil filtering device.
The lubricating oil supply system is composed of a lubricating oil pump group, an oil filter group and a lubricating oil pipeline, wherein the lubricating oil pump group comprises a lubricating oil pump A and a lubricating oil pump B which are connected with an oil tank, the outlet of the lubricating oil pump is respectively provided with a check valve, a stop valve and a pressure gauge, the oil filter group is composed of an oil filter A and an oil filter B which are connected in parallel, the filter is provided with a three-way switching valve, and a differential pressure switch is arranged between the inlet and the outlet of the oil filter. The lubricating oil pipeline comprises a lubricating oil supply pipeline and a lubricating oil return pipeline, the lubricating oil supply pipeline is connected with the lubricating oil pump set, the oil filter and the oil cooler 6 in sequence and then is connected with the phase modulator, one end of the return pipeline is connected with the phase modulator, and the other end of the return pipeline is connected with the oil tank.
The air-cooled oil cooling system comprises two air-cooled oil coolers 6 which are connected in parallel, a temperature control valve and inlet and outlet stop valves, wherein the cooling fan adopts frequency conversion control, the oil temperature is controlled by controlling the rotating speed of the fan, the temperature control valve is arranged at the outlet end of the cooler, the oil temperature can be controlled by ensuring the frequency conversion control failure of the fan, the inlet and outlet stop valves of the two coolers are independently arranged, and the coolers are switched or simultaneously put into extreme conditions by different opening and closing combined states of different valves.
The jacking shaft oil system is composed of a jacking shaft oil pump set, a regulating valve block and a jacking shaft oil pipeline, the jacking shaft oil pump set comprises an alternating-current jacking shaft oil pump A and a direct-current jacking shaft oil pump B, the jacking shaft oil pipeline is divided into a jacking shaft pump inlet pipeline and a jacking shaft oil pump outlet pipeline, the inlet pipeline is connected with an oil tank and a jacking shaft oil pump, an outlet pipeline is connected with the jacking shaft oil pump and a phase modulator, the jacking shaft oil pump outlet pipeline is provided with the regulating valve block, a pressure gauge and a pressure switch 4, the regulating valve block is a cartridge valve block, and functions of non-return, flow regulation and overflow are integrated.
The whole protective structure is surrounded by the louver, the top is a thin steel plate, the filter screen is arranged on the inner side of the louver, so that external sand and dust are prevented from entering the device while the heat dissipation of the oil tank is guaranteed, the periphery and the top surface of all equipment on the oil tank and the upper part are completely enclosed, the two sides of the protective structure are provided with the split doors, and the surface of a gauge panel is provided with the observation window.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. An oil system for a distributed phase modulator, comprising: the oil tank comprises an electric heater (15), a liquid level transmitter, a thermoelectric unit and a thermometer;
the lubricating oil supply system comprises a lubricating oil pump set, an oil filter set and a lubricating oil pipeline; the lubricating oil pipeline comprises a lubricating oil supply pipeline and a lubricating oil return pipeline, the lubricating oil supply pipeline is connected with a lubricating oil pump set, an oil filter and an oil cooler (6) in sequence and then is connected with a phase modulator, one end of the return pipeline is connected with the phase modulator, and the other end of the return pipeline is connected with an oil tank;
the jacking shaft oil system comprises a jacking shaft oil pump set and a jacking shaft oil pipeline;
the jacking oil pipeline is divided into a jacking pump inlet pipeline and a jacking pump outlet pipeline, the jacking pump inlet pipeline is connected with the oil tank and the jacking oil pump, and the jacking oil pump and the phase modulator are connected with the outlet pipeline;
the air-cooled oil cooling system comprises two air-cooled oil coolers (6) connected in parallel, a temperature control valve and inlet and outlet stop valves, wherein the temperature control valve is arranged at the outlet end of the cooler, and the inlet and outlet stop valves of the two coolers are independently arranged.
2. An oil system for a distributed phase modulator according to claim 1, wherein: the lubricating oil pump group comprises a lubricating oil pump A and a lubricating oil pump B, wherein the two lubricating oil pumps are driven by an alternating current motor, and the outlets of the lubricating oil pumps are respectively provided with a check valve, a stop valve and a pressure gauge.
3. An oil system for a distributed phase modulator according to claim 1, wherein: the oil filter group consists of two oil filters A and B which are connected in parallel, the oil filters are provided with three-way switching valves, and a differential pressure switch is arranged between an inlet and an outlet of each oil filter.
4. An oil system for a distributed phase modulator according to claim 1, wherein: the jacking oil pump set comprises an alternating-current jacking oil pump A and a direct-current jacking oil pump B, and an outlet pipeline of the jacking oil pump is provided with a regulating valve block, a pressure gauge and a pressure switch (4).
5. An oil system for a distributed phase modulator according to claim 4, wherein: the regulating valve block is a cartridge valve block.
6. An oil system for a distributed phase modulator according to claim 1, wherein: the oil tank also comprises a smoke exhaust fan, an oil return magnetic filter screen, an oil-water mixing alarm device, an air respirator and a vacuum pressure gauge, and a connector which can be connected with a temporary oil filtering device is reserved.
7. An oil system for a distributed phase modulator according to claim 1, wherein: the whole protection structure comprises a shutter, wherein the periphery of the shutter is surrounded by the shutter, the top of the shutter is a thin steel plate, and a filter screen is arranged on the inner side of the shutter.
8. An oil system for a distributed phase modulator according to claim 1, wherein: the air-cooled oil cooler (6) is controlled by frequency conversion.
9. An oil system for a distributed phase modulator according to claim 1, wherein: the oil tank, the lubricating oil supply system, the top shaft oil system, the air-cooled oil cooling system and the whole protection structure are integrated on a chassis to form a whole packaging device.
10. An oil system for a distributed phase modulator according to claim 1, wherein: the periphery and the top surface of the oil tank, the lubricating oil supply system, the top shaft oil system and the integral protection structure are completely enclosed, no enclosure is arranged on the periphery of the air-cooled oil cooler, and only the top of the air-cooled oil cooler is provided with a protection steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121732039.4U CN215951068U (en) | 2021-07-28 | 2021-07-28 | Oil system for distributed phase modulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121732039.4U CN215951068U (en) | 2021-07-28 | 2021-07-28 | Oil system for distributed phase modulator |
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| Publication Number | Publication Date |
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| CN215951068U true CN215951068U (en) | 2022-03-04 |
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| CN202121732039.4U Active CN215951068U (en) | 2021-07-28 | 2021-07-28 | Oil system for distributed phase modulator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114923104A (en) * | 2022-06-15 | 2022-08-19 | 宁波德曼压缩机有限公司 | Control method for lubrication circulation system of gear speed-increasing type centrifugal air compressor |
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2021
- 2021-07-28 CN CN202121732039.4U patent/CN215951068U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114923104A (en) * | 2022-06-15 | 2022-08-19 | 宁波德曼压缩机有限公司 | Control method for lubrication circulation system of gear speed-increasing type centrifugal air compressor |
| CN114923104B (en) * | 2022-06-15 | 2024-04-09 | 宁波德曼压缩机有限公司 | Control method of lubrication circulation system of gear acceleration type centrifugal air compressor |
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