CN208138144U - A kind of performance test experiment table for single screw compressor - Google Patents
A kind of performance test experiment table for single screw compressor Download PDFInfo
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- CN208138144U CN208138144U CN201820245995.1U CN201820245995U CN208138144U CN 208138144 U CN208138144 U CN 208138144U CN 201820245995 U CN201820245995 U CN 201820245995U CN 208138144 U CN208138144 U CN 208138144U
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- single screw
- screw compressor
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Abstract
The utility model relates to a kind of performance test experiment tables for single screw compressor, including：Power unit：It is connect with the main shaft of single screw compressor to be measured, for driving the main shaft of single screw compressor to rotate；Gas-liquid separator：Its import is connect with the outlet of single screw compressor to be measured, its liquid-phase outlet is connect by pipeline with the lubricating fluid import of single screw compressor to be measured, its gaseous phase outlet passes sequentially through air accumulator, airflow measurement unit and surge tank, then connect with the gas access of single screw compressor to be measured；Detection unit：Including for detecting single screw compressor out temperature to be measured and pressure sensor group, for detecting the airflow measurement unit for detecting single screw compressor capacity to be measured.Compared with prior art, the utility model can simulate the working condition of single screw compressor, and analysis obtains the corresponding best hydrojet flow of different model single screw compressor host and hydrojet temperature, obtains optimal performance operating point, accelerate research and development rhythm.
Description
Technical field
The utility model relates to single screw compressor technical fields, and in particular to a kind of performance for single screw compressor
Test experimental bed.
Background technique
Currently, the process gas single screw compressor market demand is increasingly vigorous.However, the compbined test of single screw compressor is ground
Study carefully and still have many blank, directly affects product development process.Especially high-power unit is at various operating conditions
Dry run, reliability, the complete machine of machine chief components are economical, reliability requires further to study, and need big
Power processes gas single screw compressor synthesis experiment platform.
Utility model content
The purpose of this utility model is exactly to provide a kind of for single spiral shell to overcome the problems of the above-mentioned prior art
The performance test experiment table of bar compressor.
The purpose of this utility model can be achieved through the following technical solutions：A kind of performance for single screw compressor
Test experimental bed, the experimental bench include：
Power unit：It is connect with the main shaft of single screw compressor to be measured, for driving the main shaft of single screw compressor to rotate；
Gas-liquid separator：Its import is connect with the outlet of single screw compressor to be measured, liquid-phase outlet by pipeline with to
The lubricating fluid import connection of single screw compressor is surveyed, gaseous phase outlet passes sequentially through air accumulator, airflow measurement unit and surge tank,
Then it is connect with the gas access of single screw compressor to be measured；
Detection unit：Including for detecting single screw compressor out temperature to be measured and pressure sensor group, be used for
Detection detects the airflow measurement unit of single screw compressor capacity to be measured and for detecting single screw compressor shaft work to be measured
The torque sensor of rate.
Before test, single screw compressor to be measured is installed to experimental bench, main shaft is connect with power unit, will be imported and exported
It is connect respectively with gas-liquid separator with surge tank, the liquid-phase outlet connection of lubricating fluid import and gas-liquid separator, then with air
Simulation process gas, turn on the power unit, detects the number such as temperature, pressure, flow of single screw compressor to be measured by detection unit
According to obtain the performance parameter of single screw compressor to be measured, such as shaft power, volume flow, volumetric efficiency, volumetric ratio can.
The power unit is high-pressure frequency-conversion motor, and single screw compressor to be measured is arranged in the torque sensor
Between main shaft and high-pressure frequency-conversion motor.High-pressure frequency-conversion motor may be implemented online compressor host variable speed, become spouting liquid with
And subject is tested in the variable working condition such as cooling fan variable air rate, torque sensor can monitor the rotation of single screw compressor main shaft to be measured
Torque.
Heat exchanger is equipped between the gas-liquid separator and air accumulator to be cooled down.
It is equipped with filter between the gas access of the surge tank and single screw compressor to be measured, avoids carrying in air
Impurity the screw rod and star-wheel of single screw compressor to be measured are caused to wear.
The airflow measurement unit includes the orifice flowmeter and nozzle that multiple groups are arranged in parallel, every group of orifice flowmeter and
The measurement range of nozzle is different and is gradually increased, and the measurement range of airflow measurement unit is 20~120M3/min.Detection data is more
Accurately.
Preferably, the quantity of the orifice flowmeter is 3.
The sensor group include the temperature sensor that single screw compressor inlet and outlet to be measured is set, setting exist
Pressure sensor on single screw compressor outlet to be measured, gas-liquid separator, air accumulator and surge tank.
Between the gas-liquid separator liquid-phase outlet and the lubricating fluid import of single screw compressor to be measured be equipped with heat exchanger into
Row cooling.
It is equipped with evacuation port at the top of the gas-liquid separator, and is equipped with muffler, the gas-liquid separator bottom in evacuation port
Equipped with condensate drain mouth.
The experimental bench is additionally provided with the processor being connect with power unit and detection unit for controlling and collecting data.Such as
PLC controller, and be connected by the fieldbus and processor of industry control host computer, needs are directly inputted on the screen of industrial personal computer
Revolving speed.It realizes online compressor host variable speed, become the variable working condition such as spouting liquid and cooling fan variable air rate test subject.
The test method of the utility model is as follows：
1, according to the suitable orifice flowmeter of single screw compressor type Capacity Selection to be measured, related nameplate parameter is inputted, is done
Electric control valve inside measuring device is adjusted for the evaluation criterion of measurement result, pressure at expulsion is made to reach tested state.
2, it runs to single screw compressor to be measured to steady working condition, starts report capability.All control parameters and test are surveyed
Parameter is measured, is connect by data/address bus with upper industrial personal computer, computer data acquiring and all test contents of monitoring system are constituted
Achievable automatic measurement, calculating, generates the functions such as report and storage at real-time display；
3, it is automatically performed the judgement of test result, the division including efficiency grade.
Compared with prior art, the beneficial effects of the utility model are embodied in following several respects：
(1) can simulate the working condition of single screw compressor, analysis obtain different model single screw compressor host with
Corresponding best hydrojet flow and hydrojet temperature, can not only optimize molded lines of rotor, but also single screw compressor can be optimized
Liquid channel system and external cooling system, obtain optimal performance operating point inside host, improve research and development quality, accelerate research and development section
It plays；
(2) adaptable, and measurement range is wide；
(3) high degree of automation.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of the utility model.
Wherein, 1 is variable-frequency motor, and 2 be torque sensor, and 3 be single screw compressor to be measured, and 4 be gas-liquid separator, and 5 are
Condensate drain mouth, 6 be evacuation port, and 7 be muffler, and 8 be heat exchanger, and 9 be air accumulator, and 10 be detection unit, and 11 be orifice flowmeter, 12
It is filter for surge tank, 13,14 be temperature sensor, and 15 be pressure sensor, and 16 be nozzle.
Specific embodiment
It elaborates below to the embodiments of the present invention, the present embodiment before being with technical solutions of the utility model
It puts and is implemented, the detailed implementation method and specific operation process are given, but the protection scope of the utility model is unlimited
In following embodiments.
Embodiment 1
A kind of performance test experiment table for single screw compressor, structure is as shown in Figure 1, include：
Power unit：It is connect with the main shaft of single screw compressor 3 to be measured, for driving the main shaft of single screw compressor to revolve
Turn；
Gas-liquid separator 4：Its import is connect with the outlet of single screw compressor 3 to be measured, liquid-phase outlet by pipeline with
The lubricating fluid import of single screw compressor 3 to be measured connects, and gaseous phase outlet passes sequentially through air accumulator 9, airflow measurement unit and delays
Tank 12 is rushed, is then connect with the gas access of single screw compressor 3 to be measured；
Detection unit 10：Including sensor group, the use for detecting 3 out temperature of single screw compressor to be measured and pressure
The airflow measurement unit of 3 capacity of single screw compressor to be measured is detected in detection.
Before test, by single screw compressor 3 to be measured installation to experimental bench, main shaft is connect with power unit, will be passed in and out
Mouth is connect with gas-liquid separator 4 with surge tank 12 respectively, and lubricating fluid import is connect with the liquid-phase outlet of gas-liquid separator 4, then
With air simulation process gas, turn on the power unit, by detection unit 10 detect the temperature of single screw compressor 3 to be measured, pressure,
The data such as flow, so that the performance parameter of single screw compressor 3 to be measured is obtained, such as shaft power, volume flow, volumetric efficiency, appearance
Product is than that can wait.
Power unit includes sequentially connected variable-frequency motor 1 and torque sensor 2, torque sensor 2 and single spiral shell to be measured
The main shaft of bar compressor 3 connects.Variable-frequency motor 1 may be implemented online compressor host variable speed, become spouting liquid and cooling
Subject is tested in the variable working condition such as fan variable air rate, and the rotation that torque sensor 2 can monitor 3 main shaft of single screw compressor to be measured is turned round
Square.
Heat exchanger 8 is equipped between gas-liquid separator 4 and air accumulator 9 to be cooled down.
It is equipped with filter 13 between surge tank 12 and the gas access of single screw compressor to be measured 3, avoids carrying in air
Impurity the screw rod and star-wheel of single screw compressor 3 to be measured are caused to wear.
Airflow measurement unit includes 3 nozzles being arranged in parallel 16 and orifice flowmeter 11, different spray nozzles 16 and orifice plate stream
The measurement range of meter 11 is different and is gradually increased, and the measurement range of airflow measurement unit is 20~120M3/min。
Sensor group include the temperature sensor 14 that 3 inlet and outlet of single screw compressor to be measured is set, setting to
Pressure sensor 15 on the survey outlet of single screw compressor 3, gas-liquid separator 4, air accumulator 9 and surge tank 12.
Heat exchanger 8 is equipped between 4 liquid-phase outlet of gas-liquid separator and the lubricating fluid import of single screw compressor to be measured 3 to carry out
It is cooling.
It is equipped with evacuation port 6 at the top of gas-liquid separator 4, and is equipped with muffler 7 in evacuation port 6,4 bottom of gas-liquid separator is equipped with
Condensate drain mouth 5.
Experimental bench is additionally provided with the PLC controller being connect with power unit and detection unit 10 for controlling and collecting data,
And be connected by the fieldbus and processor of industry control host computer, the revolving speed of needs is directly inputted on the screen of industrial personal computer.It is real
The compressor host variable speed of present line becomes the variable working condition such as spouting liquid and cooling fan variable air rate test subject.
Claims (10)
1. a kind of performance test experiment table for single screw compressor, which is characterized in that the experimental bench includes：
Power unit：It is connect with the main shaft of single screw compressor to be measured, for driving the main shaft of single screw compressor to rotate；
Gas-liquid separator：Its import is connect with the outlet of single screw compressor to be measured, and liquid-phase outlet passes through pipeline and list to be measured
The lubricating fluid import of helical-lobe compressor connects, and gaseous phase outlet passes sequentially through air accumulator, airflow measurement unit and surge tank, then
It is connect with the gas access of single screw compressor to be measured；
Detection unit：Including for detecting single screw compressor out temperature to be measured and pressure sensor group, for detecting
Detect the airflow measurement unit of single screw compressor capacity to be measured and for detecting single screw compressor shaft power to be measured
Torque sensor.
2. a kind of performance test experiment table for single screw compressor according to claim 1, which is characterized in that described
Power unit be high-pressure frequency-conversion motor, and the main shaft and high voltage variable of single screw compressor to be measured is arranged in the torque sensor
Between frequency motor.
3. a kind of performance test experiment table for single screw compressor according to claim 1, which is characterized in that described
Gas-liquid separator and air accumulator between be equipped with heat exchanger cooled down.
4. a kind of performance test experiment table for single screw compressor according to claim 1, which is characterized in that described
Surge tank and single screw compressor to be measured gas access between be equipped with filter.
5. a kind of performance test experiment table for single screw compressor according to claim 1, which is characterized in that described
Airflow measurement unit include orifice flowmeter and nozzle that multiple groups are arranged in parallel, the measurement model of every group of orifice flowmeter and nozzle
It encloses difference and is gradually increased, the measurement range of airflow measurement unit is 20~120M3/min。
6. a kind of performance test experiment table for single screw compressor according to claim 5, which is characterized in that described
Orifice flowmeter quantity be 3.
7. a kind of performance test experiment table for single screw compressor according to claim 1, which is characterized in that described
Sensor group include the temperature sensor that single screw compressor inlet and outlet to be measured is set, be arranged in single screw rod pressure to be measured
Pressure sensor on the outlet of contracting machine, gas-liquid separator, air accumulator and surge tank.
8. a kind of performance test experiment table for single screw compressor according to claim 1, which is characterized in that described
Heat exchanger is equipped between gas-liquid separator liquid-phase outlet and the lubricating fluid import of single screw compressor to be measured to be cooled down.
9. a kind of performance test experiment table for single screw compressor according to claim 1, which is characterized in that described
It is equipped with evacuation port at the top of gas-liquid separator, and is equipped with muffler in evacuation port, the gas-liquid separator bottom is equipped with condensate drain mouth.
10. a kind of performance test experiment table for single screw compressor according to claim 1, which is characterized in that institute
It states experimental bench and is additionally provided with the processor being connect with power unit and detection unit for controlling and collecting data.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820245995.1U CN208138144U (en) | 2018-02-11 | 2018-02-11 | A kind of performance test experiment table for single screw compressor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820245995.1U CN208138144U (en) | 2018-02-11 | 2018-02-11 | A kind of performance test experiment table for single screw compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331757A (en) * | 2018-02-11 | 2018-07-27 | 好米动力设备有限公司 | A kind of performance test experiment table for single screw compressor |
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2018
- 2018-02-11 CN CN201820245995.1U patent/CN208138144U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331757A (en) * | 2018-02-11 | 2018-07-27 | 好米动力设备有限公司 | A kind of performance test experiment table for single screw compressor |
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