CN209510641U - A kind of control optimization device of open-type Spiral Lobe Refrigeration Compressor rotor chamber distributive value - Google Patents
A kind of control optimization device of open-type Spiral Lobe Refrigeration Compressor rotor chamber distributive value Download PDFInfo
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- CN209510641U CN209510641U CN201821744501.0U CN201821744501U CN209510641U CN 209510641 U CN209510641 U CN 209510641U CN 201821744501 U CN201821744501 U CN 201821744501U CN 209510641 U CN209510641 U CN 209510641U
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Abstract
The utility model discloses a kind of controls of open-type Spiral Lobe Refrigeration Compressor rotor chamber distributive value to optimize device, comprising: electric control valve is installed on rotor chamber injection tubing, is configurable for adjusting the straying quatity of rotor chamber lubricating oil；Temperature sensor is installed on exhaust outlet of compressor, is configurable for the delivery temperature of detection compressor；Electric control box, its input terminal is electrically connected with temperature sensor, output end is electrically connected with electric control valve, and be configurable for presetting reasonable outlet air temperature, the delivery temperature acquired by temperature sensor carries out aperture regulation to electric control valve compared with default outlet air temperature., can be in the case where guaranteeing compressor normal operation by the utilization of the device, the effective lubricants capacity for controlling rotor chamber and spraying into, avoiding excessive lubricating oil penetrating causes the decline of compressor volumetric efficiency and power to increase.
Description
Technical field
The utility model relates to compressed air system technical fields, and in particular to a kind of open-type Spiral Lobe Refrigeration Compressor turn
The control of sub- chamber distributive value optimizes device.
Background technique
A type of the open-type Spiral Lobe Refrigeration Compressor as refrigeration compressor, is assembled by it as core component
All kinds of open-type screw refrigeration compressor units widely apply to each field such as petroleum, chemical industry, metallurgy, thermoelectricity, chemical fibre, pharmacy
In.
Effect of the lubricating oil in refrigeration compressor set is mainly:
1. pair bearing of compressor, mechanical seal etc. carry out fuel feeding, to guarantee the safe handling of compressor；
2. individually setting up rotor chamber injection tubing, lubricating oil is sprayed into compression chamber, compression process is participated in, plays compressed
The cooling effect of sealing, lubrication and the compression process of journey.
General Spiral Lobe Refrigeration Compressor requires to spray into lubricating oil rotor chamber to provide safeguard for compression process, and
For the sealing of compression process and the demand for lubricating oil amount accounting very little of lubrication, it is cold that a large amount of lubricating oil contributes to compression process
But, but compressor of the Spiral Lobe Refrigeration Compressor as fixed volume formula, excessive lubricating oil spray into the volume that can tie up compressor
Space not only results in the decline of compressor volumetric efficiency, and since lubricating oil is incompressible physical with relative high density
Matter, while will cause the increase of compressor horsepower.
And most of open-type screw refrigeration compressor unit existing at present is all only installed on rotor chamber injection tubing
Some manually-operated gates (part of generating units does not have valve) are more that pipeline cutting action is played in unit maintenance, rather than oil spout
Amount is adjusted.
We can judge whether rotor chamber distributive value is excessive by the analysis to delivery temperature in actual motion.So
If be transformed to existing unit, under the premise of guaranteeing the cooling requirement of compression process, and it is avoided that excessive lubricating oil
Penetrating causes compression efficiency to decline, and just seeming is highly desirable.
Utility model content
The utility model provides a kind of open-type Spiral Lobe Refrigeration Compressor rotor chamber to overcome the shortcomings of the above technology
The control of distributive value optimizes device, can be in the case where guaranteeing that compressor operates normally, effectively by the utilization of the device
The lubricants capacity that rotor chamber sprays into is controlled, avoiding excessive lubricating oil penetrating causes the decline of compressor volumetric efficiency and power to increase
Add.
The utility model overcomes the technical solution used by its technical problem to be:
A kind of control optimization device of open-type Spiral Lobe Refrigeration Compressor rotor chamber distributive value, comprising:
Electric control valve is installed on rotor chamber injection tubing, is configurable for adjusting the spray of rotor chamber lubricating oil
Enter amount；
Temperature sensor is installed on exhaust outlet of compressor, is configurable for the delivery temperature of detection compressor；With
And
Electric control box, input terminal is electrically connected with temperature sensor, output end is electrically connected with electric control valve, and is matched
Be set to for presetting outlet air temperature, the delivery temperature acquired by temperature sensor with default outlet air temperature compared with thus
Aperture regulation is carried out to electric control valve.
Further, the electric control box includes:
Signal processing module is electrically connected with the output end of temperature sensor, is configurable for receiving and processing temperature
The exhaust temperature signal of sensor acquisition；
PID adjustment module is electrically connected with the output end of signal processing module, is configurable for default delivery temperature
Value carries out aperture regulation to electric control valve to export regulated value to delivery temperature compared with the outlet air temperature of setting；
And
Motor circuit, input terminal is electrically connected with PID adjustment module, output end is electrically connected with electric control valve, and is matched
It is set to for powering for electric control valve.
Further, the electric control box further includes man-machine interaction unit.
Further, the man-machine interaction unit includes voltage, electric current display instrument and touch screen.
The beneficial effects of the utility model are:
It, can be effective to control rotor chamber spray in the case where guaranteeing that compressor operates normally by the utilization of the device
The lubricants capacity entered, avoiding excessive lubricating oil penetrating causes the decline of compressor volumetric efficiency and power to increase.
Detailed description of the invention
Fig. 1 is that the control of open-type Spiral Lobe Refrigeration Compressor rotor chamber distributive value described in the utility model embodiment optimizes dress
The structural schematic diagram set.
In figure, 11, electric control valve, 12, electric control box, 13, temperature sensor.
Specific embodiment
The utility model is better understood for the ease of those skilled in the art, in the following with reference to the drawings and specific embodiments to this reality
It is described in further details with novel, following be merely exemplary does not limit the protection scope of the utility model.
Optimize dress as shown in Figure 1 for the control of open-type Spiral Lobe Refrigeration Compressor rotor chamber distributive value described in the utility model
Set the structural schematic diagram of preferred embodiment.Control optimization device can be individually arranged in compressor set on the spot, can also collect
At in the PLC of compressor set, the control optimization device includes electric control valve 11, temperature sensor 13 and electric control box
12。
The electric control valve 11 is installed on rotor chamber injection tubing, is configurable for according to electric control box 12
The regulated value of output adjusts the straying quatity for spraying into compressor drum chamber lubricating oil.
The temperature sensor 13 is installed on exhaust outlet of compressor, is configurable for the exhaust temperature of detection compressor
Degree, and temperature signal is converted into standard analog signal.
The input terminal of the electric control box 12 is electrically connected with temperature sensor 13, output end and electric control valve 11 are electrically connected
It connects, is configurable for presetting reasonable outlet air temperature, the delivery temperature acquired by temperature sensor 13 and default row
Temperature value compares to carry out aperture regulation to electric control valve 11.Specifically, the electric control box 12 includes signal
Processing module, PID adjustment module and motor circuit, the signal processing module are electrically connected with the output end of temperature sensor 13,
It is configurable for the exhaust temperature signal for receiving and processing the acquisition of temperature sensor 13；The PID adjustment module, with signal
The output end of processing module is electrically connected, and default outlet air temperature is configurable for, to the exhaust temperature of delivery temperature and setting
Angle value compares, and carries out aperture regulation to electric control valve 11 to export regulated value；The input terminal and PID of the motor circuit
Adjustment module electrical connection, output end are electrically connected with electric control valve 11, are configurable for as the power supply of electric control valve 11.
Further, the electric control box 12 further includes man-machine interaction unit, the man-machine interaction unit include voltage,
Electric current display instrument and touch screen can individually be set up and install on the spot, also can integrate in refrigeration unit PLC, have fine
Flexibility.
The control mode and logic of control optimization device is detailed below.
By taking certain Fu Gui chemical company as an example, it is cold which uses open-type screw refrigeration compressor unit to provide for production technology
But, unit refrigerant is R22.The delivery temperature preset value of electric control box 12 it is following (according to different units, refrigerant and
The difference of live actual motion, the logical value have difference):
1. minimum 65 DEG C of permission delivery temperature lower limit value.
2. 85 DEG C of delivery temperature warning value.
3. 90 DEG C of delivery temperature upper limit value of highest permission (this upper limit value is the upper limit value of the present embodiment described device, rather than
The upper limit value of unit delivery temperature, the upper limit value of the upper limit value > present apparatus of unit delivery temperature).
After the control optimization device for installing the utility model, control mode and logic are as follows:
Unit operates normally, when:
1. 65 DEG C of delivery temperature < that temperature sensor 13 detects, 11 aperture of electric control valve is slowly reduced, when exhaust temperature
65 DEG C of > of degree, aperture are kept；
2. 85 DEG C of delivery temperature > that temperature sensor 13 detects, 11 aperture of electric control valve is slowly increased, when exhaust temperature
85 DEG C of < of degree, aperture are kept；
90 DEG C of delivery temperature > of 3 temperature sensors 13 detection, 11 aperture of electric control valve quicklys increase, to avoid row
Temperature spends height, impacts to stable operation.
Above only describes the basic principle of the utility model and preferred embodiment, those skilled in the art can be according to above-mentioned
Many changes and improvements are made in description, these changes and improvements should belong to the protection scope of the utility model.
Claims (3)
1. a kind of control of open-type Spiral Lobe Refrigeration Compressor rotor chamber distributive value optimizes device characterized by comprising
Electric control valve (11), is installed on rotor chamber injection tubing, is configurable for adjusting the spray of rotor chamber lubricating oil
Enter amount；
Temperature sensor (13), is installed on exhaust outlet of compressor, is configurable for the delivery temperature of detection compressor；With
And
Electric control box (12), input terminal is electrically connected with temperature sensor (13), output end and electric control valve (11) are electrically connected
It connects, and is configurable for default outlet air temperature, the delivery temperature acquired by temperature sensor (13) and default exhaust temperature
Angle value compares to carry out aperture regulation to electric control valve (11)；
The electric control box (12) includes:
Signal processing module is electrically connected with the output end of temperature sensor (13), is configurable for receiving and processing temperature
The exhaust temperature signal of sensor (13) acquisition；
PID adjustment module is electrically connected with the output end of signal processing module, is configurable for default outlet air temperature, right
Delivery temperature carries out aperture regulation to electric control valve (11) compared with the outlet air temperature of setting, to export regulated value；
And
Motor circuit, input terminal is electrically connected with PID adjustment module, output end is electrically connected with electric control valve (11), and is matched
It is set to for powering for electric control valve (11).
2. the control of open-type Spiral Lobe Refrigeration Compressor rotor chamber distributive value according to claim 1 optimizes device, special
Sign is that the electric control box (12) further includes man-machine interaction unit.
3. the control of open-type Spiral Lobe Refrigeration Compressor rotor chamber distributive value according to claim 2 optimizes device, special
Sign is that the man-machine interaction unit includes voltage, electric current display instrument and touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821744501.0U CN209510641U (en) | 2018-10-26 | 2018-10-26 | A kind of control optimization device of open-type Spiral Lobe Refrigeration Compressor rotor chamber distributive value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821744501.0U CN209510641U (en) | 2018-10-26 | 2018-10-26 | A kind of control optimization device of open-type Spiral Lobe Refrigeration Compressor rotor chamber distributive value |
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| Publication Number | Publication Date |
|---|---|
| CN209510641U true CN209510641U (en) | 2019-10-18 |
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| CN201821744501.0U Active CN209510641U (en) | 2018-10-26 | 2018-10-26 | A kind of control optimization device of open-type Spiral Lobe Refrigeration Compressor rotor chamber distributive value |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116624393A (en) * | 2023-05-10 | 2023-08-22 | 北京科力丹迪技术开发有限责任公司 | Roots blower with lubricating oil replacement prompt structure and use method thereof |
| WO2023197944A1 (en) * | 2022-04-13 | 2023-10-19 | 阿特拉斯·科普柯(无锡)压缩机有限公司 | Compressor and additional oil injection system having same |
-
2018
- 2018-10-26 CN CN201821744501.0U patent/CN209510641U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023197944A1 (en) * | 2022-04-13 | 2023-10-19 | 阿特拉斯·科普柯(无锡)压缩机有限公司 | Compressor and additional oil injection system having same |
| CN116624393A (en) * | 2023-05-10 | 2023-08-22 | 北京科力丹迪技术开发有限责任公司 | Roots blower with lubricating oil replacement prompt structure and use method thereof |
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