CN213743872U - Energy-saving compressor system - Google Patents
Energy-saving compressor system Download PDFInfo
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- CN213743872U CN213743872U CN202022605288.9U CN202022605288U CN213743872U CN 213743872 U CN213743872 U CN 213743872U CN 202022605288 U CN202022605288 U CN 202022605288U CN 213743872 U CN213743872 U CN 213743872U
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Abstract
The utility model discloses an energy-conserving compressor system, include: a compressor host; the motor is connected with the compressor main machine and used for driving the compressor main machine; the oil-gas separation device is connected with the compressor main machine and used for oil-gas separation; the oil-gas separation device is connected to a compressor main machine through a cooler device, a temperature control valve and an oil injection quantity controller; the oil injection quantity controller is arranged on an oil circuit of the temperature control valve and the compressor main unit and can automatically adjust the oil injection quantity of the compressor main unit according to the working pressure change. The energy-saving compressor system provided by the utility model can stabilize the oil supply of the oil circuit lubrication system and keep the oil temperature constant; the regulation of the fuel injection quantity can be automatically realized, and the internal pressure ratio of the mixture of the oil and the gas is corrected to realize energy conservation; and controlling a discharge temperature of the compressor system. The utility model discloses an energy-conserving compressor system, its pressure adjustment scope is wide, and energy-conserving wide range, the stable performance is reliable, and convenient to use.
Description
Technical Field
The utility model relates to an air compressor machine field especially relates to an energy-saving compressor system.
Background
At present, a two-stage compression main machine is usually selected for a 0.35Mpa-0.45Mpa special energy-saving low-pressure machine in the textile industry. When the working pressure is higher than 0.45MPa, the energy efficiency and oil circuit lubrication can normally operate; when the working pressure is lower than 0.45MPa, the energy efficiency is poor, the problems of serious overpressure compression, high energy consumption, volume flow reduction and the like can occur in an oil way system, and the normal operation of the compressor is seriously influenced.
Therefore, those skilled in the art have devoted themselves to develop an energy-saving compressor system, which has a stable oil-way lubrication system, a constant temperature, a wide pressure regulation range, and can automatically adjust the oil-gas mixture internal pressure ratio according to the gas pressure.
SUMMERY OF THE UTILITY MODEL
In order to achieve the above object, the utility model provides an energy-saving compressor system, include:
a compressor host;
the motor is connected with the compressor main machine and used for driving the compressor main machine;
the oil-gas separation device is connected with the compressor main machine and used for carrying out oil-gas separation and outputting separated air;
the oil-gas separation device is also connected with the compressor main machine through a cooler device, a temperature control valve and an oil injection quantity controller so as to convey the separated oil to the compressor main machine;
the oil injection quantity controller is arranged on an oil circuit between the temperature control valve and the compressor main unit and is configured to be capable of automatically adjusting the oil injection quantity of the compressor main unit according to the change of working pressure.
In some embodiments, optionally, the system further comprises a first frequency converter, wherein the first frequency converter is connected with the motor and configured to be capable of adjusting the rotation speed of the motor according to the fluctuation of the gas consumption to adjust the rotation speed of the compressor main unit.
In some embodiments, optionally, the cooler device includes a cooler connected to the oil passage of the compressor main body, and a cooling blower provided on the cooler.
In some embodiments, optionally, the heat exchanger further comprises a second frequency converter, wherein the second frequency converter is connected with the cooling fan and configured to adjust the rotation speed of the cooling fan so as to keep the heat exchange amount of the cooler device constant.
In some embodiments, optionally, a mixed flow control manner is adopted in an oil path of the energy-saving compressor system, wherein an oil outlet of the oil-gas separator device is connected to a first end of the thermostatic valve and the cooler device, respectively, the cooler device is connected to a second end of the thermostatic valve, and a third end of the thermostatic valve is connected to the compressor main unit.
In some embodiments, optionally, the air conditioner further comprises a filter, wherein the filter is connected with the compressor main body, so that air entering the compressor main body passes through the filter firstly.
In some embodiments, optionally, the compressor main is single-stage.
In some embodiments, optionally, the operating pressure of the economizer compressor system is in the range of 0.35Mpa to 0.45 Mpa.
In some embodiments, optionally, the engine further comprises an oil filter disposed on an oil passage of the compressor main body.
In some embodiments, optionally, the energy-saving compressor system further comprises a sensing component, which is arranged at a preset position of the energy-saving compressor system and is used for collecting temperature and pressure.
The energy-saving compressor system provided by the utility model ensures that the oil supply of the oil circuit lubricating system is stable and the oil temperature is kept constant by reasonably controlling the connection mode of the temperature control valve; by arranging the oil injection quantity controller, the adjustment of the oil injection quantity can be automatically realized, and the internal pressure ratio of oil-gas mixture is corrected to realize energy conservation; through setting up the converter, can carry out frequency conversion control to motor and cooling blower respectively according to the fluctuation of tolerance to realize energy-conservation and control compressor system's exhaust temperature. The utility model discloses an energy-conserving compressor system, its pressure adjustment scope is wide, and energy-conserving wide range, the stable performance is reliable, and convenient to use.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a block schematic diagram of an economizer compressor system of the present invention;
FIG. 2 is a schematic structural diagram of the energy-saving compressor system of the present invention;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a top view of FIG. 2;
fig. 5 is a rear view of fig. 2.
The system comprises a motor 10, a first frequency converter 11, a compressor host 20, a filter 21, an oil-gas separation device 30, a first branch 31, a second branch 32, a cooler 41, a cooling fan 42, a second frequency converter 43, a temperature control valve 50 and an oil injection quantity controller 60.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
Some exemplary embodiments of the invention have been described for illustrative purposes, and it is to be understood that the invention may be practiced otherwise than as specifically described.
In the prior art, a two-stage compression main machine is usually selected for a special energy-saving low-pressure machine of 0.35Mpa to 0.45Mpa in the textile industry. When the working pressure is higher than 0.45MPa, the energy efficiency and oil circuit lubrication can normally operate; when the working pressure is lower than 0.45MPa, the energy efficiency is poor, and an oil circuit system has certain defects: the two-stage compressor main machine is used, namely the two main machines are divided into an upper main machine and a lower main machine, the first-stage main machine compresses air and then enters the second-stage main machine, and the second-stage main machine compresses the air to a set pressure. After two times of compression, the problem of serious overpressure compression can occur, resulting in high energy consumption. Pressure exists between the first stage and the second stage, oil sprayed by lubricating oil can be reduced, lubrication of a screw and a bearing can be affected, internal leakage of the screw is large, air quantity is obviously reduced, and normal operation of a compressor can be affected in severe cases. In order to solve the above problem, the utility model provides an energy-saving compressor system.
As shown in fig. 1 and fig. 2, the utility model provides an energy-saving compressor system, including motor 10, compressor main unit 20, oil-gas separation device 30, cooler device, temperature-sensing valve 50 and oil injection quantity controller 60. The motor 10 is connected with the compressor main unit 20, and the motor 10 is used for driving the compressor main unit 20. In some embodiments, the motor 10 is coaxially connected to the compressor main body 20. The compressor main machine 20 is used for compressing air, the compressor main machine 20 is connected with the oil-gas separation device 30, the compressor main machine 20 conveys the compressed air to the oil-gas separation device 30, and then the separated air is output to a load after oil-gas separation is carried out in the oil-gas separation device 30. The black solid line in fig. 1 shows the flow path and direction of the air path.
Lubrication of the compressor main unit 20 is controlled by an oil passage system, and the flow path and direction of the oil passage are shown by dotted lines in fig. 1. The lubricating oil discharged from the oil outlet of the oil-gas separation device 30 is divided into two branches: the first branch 31 is directly connected to a first end of the temperature control valve 50, and the second branch 32 is connected to a second end of the temperature control valve 50 through a cooler device. The third terminal of the thermo valve 50 is connected to the compressor main unit 20. An oil injection quantity controller 60 can be arranged between the compressor main body 20 and the temperature control valve 50 and used for controlling the oil injection quantity of the main body. The connection between the oil-gas separation device 30, the thermo valve 50 and the cooler device described herein constitutes an oil circuit system using a mixed flow control method. It should be understood that the connection modes of the oil-gas separation device 30, the thermo-valve 50 and the cooler device may be changed to form an oil circuit system adopting a split-flow control mode, that is, the oil outlet of the oil-gas separation device 30 is connected to the first end of the thermo-valve 50, the second end of the thermo-valve 50 is connected to the inlet of the cooler device, the third end of the thermo-valve 50 is connected to the compressor main unit 20, and the outlet of the cooler device is connected to the passages of the thermo-valve 50 and the compressor main unit 20. Or other control methods of the oil circuit system can be adopted. The oil circuit system adopting which control mode can be selected according to actual requirements. The specific control mode of the oil circuit system does not limit the utility model.
As shown in fig. 1 and 5, the oil injection amount controller 60 is disposed on an oil path between the thermo valve 50 and the compressor main unit 20, and the oil injection amount controller 60 may automatically control the size of the oil injection amount according to a change of the operating pressure, and modify the internal pressure ratio of the oil-gas mixture to achieve energy saving. In some embodiments, the fuel injection controller 60 may be an electric control valve, and may be controlled by a control method such as PID control, fuzzy control, expert control, or the like.
In some embodiments, compressor host 20 is a single stage compressor host. Compare prior art's double stage compressor, single stage compressor host computer is selected for use to this application, cooperates other parts, under the condition of guaranteeing the compression capacity, can reduce the volume of system, reduces vulnerable part.
In some embodiments, the economizer compressor system further includes a filter 21, and the filter 21 is connected to an air inlet of the compressor main unit 20. The air introduced into the compressor main unit 20 passes through the filter 21 and then enters the compressor main unit 20. The air taken in by the compressor main unit 20 is air under standard conditions, i.e., air in the environment where the economizer compressor system is located. The filter 21 may be an air filter assembly known in the art.
In some embodiments, as shown in fig. 4, the economizer compressor system further comprises a first inverter 11, and the first inverter 11 is connected to the motor 10. Through the first frequency converter 11, the rotating speed and the output power of the main motor 10 can be controlled, so that the rotating speed of the compressor main machine 20 is adjusted to realize energy conservation. Specifically, the regulation can be performed according to the fluctuation of the gas consumption of the load, and the regulation mode can adopt a PID control method or other intelligent control methods, such as a fuzzy control method, an expert control method, and the like. The selection of the specific control method does not limit the present invention.
In some embodiments, as shown in fig. 2, 4 and 5, the cooler device includes a cooler 41 and a cooling fan 42, and the cooling fan 42 is disposed at an upper portion of the cooler 41. The high-temperature lubricating oil discharged from the oil-gas separation device 30 enters the cooler 41 to be cooled by heat exchange, and the heat exchange amount of the cooler 41 can be controlled by the rotation of the cooling fan 42. In some embodiments, as shown in fig. 4, a second frequency converter 43 is further included, and the second frequency converter 43 is connected to the cooling fan 42, so that the rotation speed of the cooling fan 42 can be adjusted, and thus the heat exchange amount of the cooler device can be constant, so as to control the exhaust temperature of the compressor main unit 20 to reach the normal exhaust temperature.
In some embodiments, an oil filter (not shown) may be further disposed on the oil path between the thermo valve 50 and the compressor main unit 20, and the oil filter may be disposed between the thermo valve 50 and the oil injection amount controller 60, or may be disposed at another suitable position.
In some embodiments, the economizer compressor system further comprises sensing means (not shown) for detecting conditions such as temperature and pressure at predetermined locations. The fuel injection quantity controller 60 can be controlled according to the data collected by the sensing component so as to adjust the oil inlet quantity of the main engine; the rotating speed of the motor 10 and/or the cooling fan 42 can be controlled through the frequency converter according to data collected by the sensing component so as to adjust the rotating speed of the compressor main machine 20 and the heat exchange quantity of the cooler device and realize energy conservation; and whether the system is abnormal or not can be judged according to the data collected by the sensing component, and if the system is abnormal, the alarm is given out and the machine is stopped.
The utility model provides an energy-conserving compressor system operation process as follows:
the motor 10 drives the compressor main machine 20 to operate, so that air under a standard condition enters the compressor main machine 20 through the filter 21, the compressed air enters the oil-gas separation device 30, and the separated air is output to a load;
the oil in the oil-gas separation device 30 passes through the cooler 41 and is radiated by the cooling fan 42; the temperature control valve 50 adopts a mixed flow structure to keep the oil injection temperature constant; when the working pressure of the compressor main machine 20 changes, the oil injection quantity controller 60 automatically adjusts the size of the oil injection quantity, corrects the internal pressure ratio of oil-gas mixture, and realizes energy conservation;
when the gas consumption fluctuates, the rotating speed of the compressor main machine 20 is adjusted by the first frequency converter 11 in a PID mode, so that energy is saved; the second frequency converter 43 is used for adjusting the rotating speed of the cooling fan 42 in a PID mode, so that the heat exchange quantity of the cooler device is constant, and the exhaust temperature of the whole energy-saving compressor system is controlled to be normal.
The utility model provides an energy-conserving compressor system can be applicable to the textile industry for the working pressure that the realization scope is 0.35MPa-0.45 MPa.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. An economizer compressor system, comprising:
a compressor host;
the motor is connected with the compressor main machine and used for driving the compressor main machine;
the oil-gas separation device is connected with the compressor main machine and used for carrying out oil-gas separation and outputting separated air;
the oil-gas separation device is also connected with the compressor main machine through a cooler device, a temperature control valve and an oil injection quantity controller so as to convey the separated oil to the compressor main machine;
the oil injection quantity controller is arranged on an oil circuit between the temperature control valve and the compressor main unit and is configured to be capable of automatically adjusting the oil injection quantity of the compressor main unit according to the change of working pressure.
2. The economizer compressor system of claim 1, further comprising a first inverter coupled to the motor and configured to adjust a speed of the motor to adjust a speed of the compressor main body according to fluctuations in gas usage.
3. The economizer compressor system of claim 1 wherein the chiller means comprises a chiller connected to the oil circuit of the compressor main unit and a cooling fan provided on the chiller.
4. The economizer compressor system of claim 3, further comprising a second inverter coupled to the cooling fan and configured to adjust the speed of the cooling fan to maintain a constant amount of heat exchange in the chiller apparatus.
5. The economizer compressor system of claim 1 wherein the oil path of the economizer compressor system is controlled by mixed flow, wherein the oil outlet of the oil-gas separation device is connected to the first end of the thermostatic valve and the cooler device, respectively, the cooler device is connected to the second end of the thermostatic valve, and the third end of the thermostatic valve is connected to the compressor main unit.
6. The economizer compressor system of claim 1, further comprising a filter connected to the compressor main body such that air entering the compressor main body passes through the filter.
7. The economizer compressor system of claim 1 wherein the compressor main body is single stage.
8. The economizer compressor system of claim 1 having an operating pressure in the range of 0.35Mpa to 0.45 Mpa.
9. The energy saving compressor system of claim 1, further comprising an oil filter provided on an oil passage of the compressor main body.
10. The economizer compressor system of claim 1, further comprising sensing elements disposed at predetermined locations of the economizer compressor system for sensing temperature and pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022605288.9U CN213743872U (en) | 2020-11-12 | 2020-11-12 | Energy-saving compressor system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022605288.9U CN213743872U (en) | 2020-11-12 | 2020-11-12 | Energy-saving compressor system |
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| CN213743872U true CN213743872U (en) | 2021-07-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253422A (en) * | 2020-11-12 | 2021-01-22 | 意朗实业（上海）有限公司 | Energy-saving compressor system |
| CN114857047A (en) * | 2022-04-13 | 2022-08-05 | 高杰 | Phase-change cooling type permanent magnet direct-drive air blower |
-
2020
- 2020-11-12 CN CN202022605288.9U patent/CN213743872U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253422A (en) * | 2020-11-12 | 2021-01-22 | 意朗实业（上海）有限公司 | Energy-saving compressor system |
| CN114857047A (en) * | 2022-04-13 | 2022-08-05 | 高杰 | Phase-change cooling type permanent magnet direct-drive air blower |
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