CN106122173B - Industrial hydraulic oil refrigeration machine is used for the cool-down method of equipment heat source - Google Patents
Industrial hydraulic oil refrigeration machine is used for the cool-down method of equipment heat source Download PDFInfo
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- CN106122173B CN106122173B CN201610497551.2A CN201610497551A CN106122173B CN 106122173 B CN106122173 B CN 106122173B CN 201610497551 A CN201610497551 A CN 201610497551A CN 106122173 B CN106122173 B CN 106122173B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/003—Filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/04—Refrigeration circuit bypassing means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/06—Damage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/07—Exceeding a certain pressure value in a refrigeration component or cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/28—Means for preventing liquid refrigerant entering into the compressor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2525—Pressure relief valves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Fluid Mechanics (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The cool-down method of a kind of industrial hydraulic oil refrigeration machine of the present invention, it is characterised in that industrial hydraulic oil refrigeration machine includes a hydraulic oil transfer pipeline（100）, the hydraulic oil transfer pipeline（100）On from hydraulic oil oil inlet to being disposed with hydraulic oil transfer pipeline delivery pump between hydraulic oil oil outlet（101）And heat-exchanger rig（102）, the heat-exchanger rig（102）Coolant outlet to cool down import between cooling line（200）On be disposed with gas-liquid separator, compressor, condenser, liquid storage device, device for drying and filtering, cooling line solenoid valve and throttling set, there are one cooling line by-passing valves to setting between the cooling line between heat-exchanger rig for compressor to the cooling line between condenser and throttling set.The advantages of industrial hydraulic oil refrigeration machine of the present invention has for the cool-down method of equipment heat source to hydraulic oil good cooling results, easy to operate, and energy consumption is relatively low.
Description
Technical field
The present invention relates to the cool-down methods that a kind of industrial hydraulic oil refrigeration machine is used for equipment heat source.
Background technology
It is well known that industrial hydraulic system oil temperature optimum working temperature is between 35 ~ 55 degrees Celsius, once temperature increases
To 60 degrees Celsius or more, the performance of hydraulic system will significantly decline, and machinery equipment failure continuously emerges, and causes the steady of equipment
Qualitative degradation can not ensure the normal operation of machinery equipment.Especially in summer, air themperature is higher, the temperature of hydraulic oil
The lasting raising of degree can cause machinery equipment to be usually in shutdown status.Therefore seek a kind of to hydraulic oil good cooling results, operation
Convenient, the relatively low industrial hydraulic oil refrigeration machine of energy consumption is particularly important for the cool-down method of equipment heat source.
Invention content
The purpose of the present invention is to overcome the above shortcomings and to provide a kind of to hydraulic oil good cooling results, easy to operate, energy consumption
Relatively low industrial hydraulic oil refrigeration machine is used for the cool-down method of equipment heat source.
The object of the present invention is achieved like this：
A kind of industrial hydraulic oil refrigeration machine is used for the cool-down method of equipment heat source, and the industrial hydraulic oil refrigeration machine includes one
Root hydraulic oil transfer pipeline is disposed with from hydraulic oil oil inlet between hydraulic oil oil outlet on the hydraulic oil transfer pipeline
Hydraulic oil transfer pipeline delivery pump and heat-exchanger rig, the coolant outlet of the heat-exchanger rig extremely cool down the cooling line between import
On be disposed with gas-liquid separator, compressor, condenser, liquid storage device, device for drying and filtering, cooling line solenoid valve and throttling
Device, compressor to the cooling line between condenser and throttling set are provided between the cooling line between heat-exchanger rig
One cooling line by-passing valve has been arranged in parallel a hydraulic pressure oil bypass on the hydraulic oil transfer pipeline at the heat-exchanger rig both ends
Pipeline is provided with hydraulic oil by-passing valve on the hydraulic oil bypass line, hydraulic oil is provided on the hydraulic oil transfer pipeline
Transfer pipeline sensor；
Industrial hydraulic oil refrigeration machine includes the following steps for the cool-down method of equipment heat source：
Step 1: connection equipment heat source and industrial hydraulic oil refrigeration machine；
The hydraulic oil oil inlet and hydraulic oil oil outlet of the hydraulic oil transfer pipeline of industrial hydraulic oil refrigeration machine pass through respectively
Hydraulic oil oil inlet hose connects the hydraulic oil drain line of equipment heat source and hydraulic oil oil return pipe with hydraulic oil oil outlet hose
Road；
Step 2: after equipment heat source brings into operation, the hydraulic oil of second fluid chamber of fuel reserve tank is fuel-displaced by fuel reserve tank
Pipeline supply arrangement heat generating device, the hydraulic oil in equipment heating device drain into the first of fuel reserve tank by fuel reserve tank oil inlet pipe
A fluid chamber, the hydraulic oil of first fluid chamber is successively by hydraulic oil drain line, hydraulic oil oil inlet hose, hydraulic pressure
Oily transfer pipeline, hydraulic oil oil outlet hose and hydraulic oil oil return line are back to second fluid chamber of fuel reserve tank；
Equipment heat source initial operating stage, hydraulic fluid temperature is low, hydraulic oil hydraulic oil transfer pipeline flowing directly from hydraulic pressure
Oil bypass tube runs, hydraulic oil are cooled down without heat-exchanger rig；
The hydraulic fluid temperature that equipment heating device operation a period of time can cause it internal also increases, therefore equipment is sent out
The hydraulic fluid temperature of first fluid chamber that thermal is expelled in fuel reserve tank also increases, fuel reserve tank temperature sensor or liquid
Pressure oil transfer pipeline sensor detects that hydraulic oil reaches certain high temperature, and hydraulic oil by-passing valve is closed, and hydraulic oil is filled by heat exchange
It puts and is cooled down, the cooling line solenoid valve on cooling line starts at this time, and cooling line starts operation, and cooling line is exchanging heat
Heat exchange is carried out with the high temperature hydraulic oil in hydraulic oil transfer pipeline at device, high temperature hydraulic oil is cooled down so that changed
It is the second fluid chamber continuation for being back to fuel reserve tank again that the low temperature hydraulic oil of thermal cooling, which passes through hydraulic oil transfer pipeline,
Supply arrangement heat generating device.
The operation principle of wherein cooling line is：
The high temperature and high pressure gas come out from compressor becomes cryogenic high pressure gas liquid mixture after condenser, then passes through
Liquid storage device carries out gas-liquid separation and forms cryogenic high pressure liquid, then water removal removal of impurities is carried out by device for drying and filtering, then through celebrating a festival
It flows device and forms low temperature and low pressure liquid, low temperature and low pressure liquid forms low-temp low-pressure gas-liquid mixed in heat-exchanger rig by heat exchange
Body, low-temp low-pressure gas liquid mixture carry out gas-liquid separation by gas-liquid separator and form low temperature low pressure gas, then low-temp low-pressure
Gas carries out compression using compressor and forms high temperature and high pressure gas, reciprocal above-mentioned cycle, so as to which cooling line is to by changing
The hydraulic oil of the hydraulic oil transfer pipeline of thermal is cooled down.The effect of cooling line by-passing valve wherein in cooling line is
Pressure in cooling line persistently increases when reaching certain value, and cooling line by-passing valve, which is opened, to carry out pressure release cooling line is risen
To protective effect；The effect of cooling line solenoid valve is when cooling line is inoperative, is placed in front of cooling line solenoid valve
Liquid is flow in compressor backward so that compressor damage plays a protective role.
Compared with prior art, the beneficial effects of the invention are as follows：
Industrial hydraulic oil refrigeration machine of the present invention has for the cool-down method of equipment heat source to hydraulic oil good cooling results, behaviour
Facilitate, the advantages of energy consumption is relatively low.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Wherein：
Hydraulic oil transfer pipeline 100, hydraulic oil transfer pipeline delivery pump 101, heat-exchanger rig 102, hydraulic oil transfer pipeline
Sensor 103
Cooling line 200, gas-liquid separator 201, compressor 202, condenser 203, liquid storage device 204, device for drying and filtering
205th, cooling line solenoid valve 206, throttling set 207, cooling line by-passing valve 208
Hydraulic oil bypass line 300, hydraulic oil by-passing valve 301
Equipment heat source 900, equipment heating device 901, fuel reserve tank 902, fuel reserve tank oil inlet pipe 903, hydraulic oil oil exit pipe
Road 904, fuel reserve tank oil outlet pipe 905, fuel reserve tank oil-way circulation pump 906, hydraulic oil oil return line 907, fuel reserve tank temperature sensing
Device 908.
Specific embodiment
Referring to Fig. 1, a kind of industrial hydraulic oil refrigeration machine of the present invention, it includes a hydraulic oil transfer pipeline 100,
From hydraulic oil oil inlet to being disposed with hydraulic oil transfer pipeline between hydraulic oil oil outlet on the hydraulic oil transfer pipeline 100
Delivery pump 101 and heat-exchanger rig 102, the coolant outlet of the heat-exchanger rig 102 are extremely cooled down on the cooling line 200 between import
It is disposed with gas-liquid separator 201, compressor 202, condenser 203, liquid storage device 204, device for drying and filtering 205, cooling line
Solenoid valve 206 and throttling set 207, wherein condenser 203 can be one, and condenser 203 can also be in parallel or in series
Be provided with it is multiple, compressor 202 to the cooling line 200 between condenser 203 and throttling set 207 to heat-exchanger rig 102 it
Between cooling line 200 between setting there are one cooling line by-passing valve 208.
Hydraulic oil transfer pipeline sensor 103, the heat-exchanger rig 102 are provided on the hydraulic oil transfer pipeline 100
A hydraulic oil bypass line 300, the hydraulic oil bypass line have been arranged in parallel on the hydraulic oil transfer pipeline 100 at both ends
Hydraulic oil by-passing valve 301 is provided on 300.Hydraulic oil transfer pipeline sensor 103 detects that temperature is less than setting value or pressure
When power is higher than setting value, hydraulic oil by-passing valve 301 is opened, and hydraulic oil is directly flowed from hydraulic oil bypass line 300, and hydraulic oil is defeated
When sending the line sensor 103 to detect that temperature is less than setting value higher than setting value or pressure, hydraulic oil by-passing valve 301 is closed,
Hydraulic oil is not flowed from hydraulic oil bypass line 300.
Equipment heat source 900 includes equipment heating device 901 and fuel reserve tank 902, and one piece is provided in the liquid reserve tank 902
The partition board being vertically arranged, partition board will be respectively two fluid chambers in liquid reserve tank 902, and first fluid chamber is provided with fuel reserve tank
902 oil inlet and the oil discharge outlet of fuel reserve tank 902, second fluid chamber are provided with oil outlet and the storage of fuel reserve tank 902
The oil return opening of fuel tank 902, the oil discharge outlet of fuel reserve tank 902 and the oil outlet of fuel reserve tank 902 are both provided with filter, equipment heating
Fuel reserve tank oil inlet pipe 903, the oil extraction of fuel reserve tank 902 are connected between the oil outlet of device 901 and the oil inlet of fuel reserve tank 902
Mouth draws hydraulic oil drain line 904, is connected between the oil inlet of equipment heating device 901 and the oil outlet of fuel reserve tank 902
Fuel reserve tank oil circuit is provided in fuel reserve tank oil outlet pipe 905, fuel reserve tank oil inlet pipe 903 or fuel reserve tank oil outlet pipe 905 to follow
Ring pump 906, the oil return opening of fuel reserve tank 902 are drawn hydraulic oil oil return line 907, are set in first fluid chamber of fuel reserve tank 902
Fuel reserve tank temperature sensor 908 there are one putting.
The hydraulic oil oil inlet and hydraulic oil oil outlet of the hydraulic oil transfer pipeline 100 pass through hydraulic oil oil inlet respectively
Hose connects the hydraulic oil drain line 904 of equipment heat source 900 and hydraulic oil oil return line 907 with hydraulic oil oil outlet hose.
A kind of industrial hydraulic oil refrigeration machine is used for the cool-down method of equipment heat source：
Step 1: connection equipment heat source 900 and industrial hydraulic oil refrigeration machine；
The hydraulic oil oil inlet and hydraulic oil oil outlet of the hydraulic oil transfer pipeline 100 of industrial hydraulic oil refrigeration machine lead to respectively
Cross hydraulic oil drain line 904 and hydraulic pressure that hydraulic oil oil inlet hose connects equipment heat source 900 with hydraulic oil oil outlet hose
Oily oil return line 907；
Step 2: after equipment heat source 900 brings into operation, the hydraulic oil of 902 second fluid chambers of fuel reserve tank passes through oil storage
905 supply arrangement heat generating device 901 of case oil outlet pipe, the hydraulic oil in equipment heating device 901 pass through fuel reserve tank oil inlet pipe
903 drain into first fluid chamber of fuel reserve tank 902, and the hydraulic oil of first fluid chamber passes through hydraulic oil drain line successively
904th, hydraulic oil oil inlet hose, hydraulic oil transfer pipeline 100, hydraulic oil oil outlet hose and hydraulic oil oil return line 907
It is back to second fluid chamber of fuel reserve tank 902；
900 initial operating stage of equipment heat source, hydraulic fluid temperature is low, and hydraulic oil is direct in the flowing of hydraulic oil transfer pipeline 100
It is flowed from hydraulic oil bypass line 300, hydraulic oil is cooled down without heat-exchanger rig 102；
The hydraulic fluid temperature that the operation a period of time of equipment heating device 901 can cause it internal also increases, therefore set
The hydraulic fluid temperature of first fluid chamber that preparation thermal 901 is expelled in fuel reserve tank 902 also increases, and fuel reserve tank temperature passes
Sensor 908 or hydraulic oil transfer pipeline sensor 103 detect that the temperature of hydraulic oil reaches certain high temperature（It is Celsius more than 60
Degree）, hydraulic oil by-passing valve 301 closes, and hydraulic oil is cooled down by heat-exchanger rig 102, at this time the cooling on cooling line 200
Pipeline electromagnetic valve 206 starts, and cooling line 200 starts operation, and cooling line 200 conveys at heat-exchanger rig 102 with hydraulic oil
High temperature hydraulic oil in pipeline 100 carries out heat exchange, high temperature hydraulic oil is cooled down so that cooled down by heat-exchanger rig 102
Low temperature hydraulic oil by hydraulic oil transfer pipeline 100 be back to again fuel reserve tank 902 second fluid chamber continue supply set
Preparation thermal 901.
The operation principle of wherein cooling line 200 is：
The high temperature and high pressure gas come out from compressor 202 becomes cryogenic high pressure gas liquid mixture after condenser 203, so
Gas-liquid separation is carried out by liquid storage device 204 afterwards and form cryogenic high pressure liquid, then by device for drying and filtering 205 remove
It is miscellaneous, low temperature and low pressure liquid then is formed by throttling set 207, low temperature and low pressure liquid is in heat-exchanger rig 102 by heat exchange shape
Into low-temp low-pressure gas liquid mixture, low-temp low-pressure gas liquid mixture carries out gas-liquid separation by gas-liquid separator 201 and forms low temperature
Low-pressure gas, then low temperature low pressure gas, which using compressor 202 compress, forms high temperature and high pressure gas, back and forth above-mentioned to follow
Ring, so as to which cooling line 200 cools down the hydraulic oil of the hydraulic oil transfer pipeline 100 by heat-exchanger rig 102.It is wherein cold
But the effect of the cooling line by-passing valve 208 in pipeline 200 is that pressure in cooling line 200 persistently increases and reaches certain value
When, cooling line by-passing valve 208 opens progress pressure release and plays a protective role to cooling line 200；Cooling line solenoid valve 206
Effect is when cooling line 200 is inoperative, and the liquid for placing 206 front of cooling line solenoid valve flow to compressor 202 backward
It is interior so that compressor 202 damages, and plays a protective role.
Claims (1)
1. a kind of industrial hydraulic oil refrigeration machine is used for the cool-down method of equipment heat source, it is characterised in that the industrial hydraulic oil refrigeration
Machine includes a hydraulic oil transfer pipeline（100）, the hydraulic oil transfer pipeline（100）On go out from hydraulic oil oil inlet to hydraulic oil
Hydraulic oil transfer pipeline delivery pump is disposed between hydraulic fluid port（101）And heat-exchanger rig（102）, the heat-exchanger rig（102）
Coolant outlet to cool down import between cooling line（200）On be disposed with gas-liquid separator（201）, compressor
（202）, condenser（203）, liquid storage device（204）, device for drying and filtering（205）, cooling line solenoid valve（206）And throttling set
（207）, compressor（202）To condenser（203）Between cooling line（200）And throttling set（207）To heat-exchanger rig
（102）Between cooling line（200）Between setting there are one cooling line by-passing valve（208）, the heat-exchanger rig（102）Two
The hydraulic oil transfer pipeline at end（100）On be arranged in parallel a hydraulic oil bypass line（300）, the hydraulic oil bypass line
（300）On be provided with hydraulic oil by-passing valve（301）, the hydraulic oil transfer pipeline（100）On be provided with hydraulic oil transfer pipeline
Sensor（103）；
Industrial hydraulic oil refrigeration machine includes the following steps for the cool-down method of equipment heat source：
Step 1: connection equipment heat source（900）With industrial hydraulic oil refrigeration machine；
The hydraulic oil transfer pipeline of industrial hydraulic oil refrigeration machine（100）Hydraulic oil oil inlet and hydraulic oil oil outlet pass through respectively
Hydraulic oil oil inlet hose connects equipment heat source with hydraulic oil oil outlet hose（900）Hydraulic oil drain line（904）And liquid
Pressure oil oil return line（907）；
Step 2: equipment heat source（900）After bringing into operation, fuel reserve tank（902）The hydraulic oil of second fluid chamber passes through oil storage
Case oil outlet pipe（905）Supply arrangement heat generating device（901）, equipment heating device（901）Interior hydraulic oil by fuel reserve tank into
Oil pipe line（903）Drain into fuel reserve tank（902）First fluid chamber, the hydraulic oil of first fluid chamber passes through hydraulic pressure successively
Oily drain line（904）, hydraulic oil oil inlet hose, hydraulic oil transfer pipeline（100）, hydraulic oil oil outlet hose and hydraulic pressure
Oily oil return line（907）It is back to fuel reserve tank（902）Second fluid chamber；
Equipment heat source（900）Initial operating stage, hydraulic fluid temperature is low, and hydraulic oil is in hydraulic oil transfer pipeline（100）Flowing it is direct
From hydraulic oil bypass line（300）Flowing, hydraulic oil is without heat-exchanger rig（102）It is cooled down；
Equipment heating device（901）The hydraulic fluid temperature that operation a period of time can cause it internal also increases, therefore equipment
Heat generating device（901）It is expelled to fuel reserve tank（902）The hydraulic fluid temperature of first interior fluid chamber also increases, fuel reserve tank temperature
Sensor（908）Or hydraulic oil transfer pipeline sensor（103）Detect that hydraulic oil reaches certain high temperature, hydraulic oil by-passing valve
（301）It closes, hydraulic oil passes through heat-exchanger rig（102）It is cooled down, at this time cooling line（200）On cooling line solenoid valve
（206）Start, cooling line（200）It starts operation, cooling line（200）In heat-exchanger rig（102）Place and hydraulic oil delivery pipe
Road（100）Interior high temperature hydraulic oil carries out heat exchange, high temperature hydraulic oil is cooled down so that by heat-exchanger rig（102）Cooling
Low temperature hydraulic oil pass through hydraulic oil transfer pipeline（100）To be back to fuel reserve tank again（902）Second fluid chamber continue
Supply arrangement heat generating device（901）；
Wherein cooling line（200）Operation principle be：
From compressor（202）High temperature and high pressure gas out passes through condenser（203）After become cryogenic high pressure gas liquid mixture, so
Afterwards by liquid storage device（204）It carries out gas-liquid separation and forms cryogenic high pressure liquid, then by device for drying and filtering（205）It is removed water
Removal of impurities, then by throttling set（207）Low temperature and low pressure liquid is formed, low temperature and low pressure liquid is in heat-exchanger rig（102）Interior process
Heat exchange forms low-temp low-pressure gas liquid mixture, and low-temp low-pressure gas liquid mixture passes through gas-liquid separator（201）Carry out gas-liquid separation
Low temperature low pressure gas is formed, then low temperature low pressure gas is using compressor（202）It carries out compression and forms high temperature and high pressure gas, it is past
Multiple above-mentioned cycle, so as to cooling line（200）To passing through heat-exchanger rig（102）Hydraulic oil transfer pipeline（100）Hydraulic pressure
Oil is cooled down, wherein cooling line（200）In cooling line by-passing valve（208）Effect be in cooling line（200）In
Pressure persistently increase when reaching certain value, cooling line by-passing valve（208）It opens and carries out pressure release to cooling line（200）It plays
Protective effect；Cooling line solenoid valve（206）Effect be in cooling line（200）When inoperative, cooling line electromagnetism is placed
Valve（206）The liquid in front flow to compressor backward（202）It is interior so that compressor（202）Damage, plays a protective role.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610497551.2A CN106122173B (en) | 2016-06-30 | 2016-06-30 | Industrial hydraulic oil refrigeration machine is used for the cool-down method of equipment heat source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610497551.2A CN106122173B (en) | 2016-06-30 | 2016-06-30 | Industrial hydraulic oil refrigeration machine is used for the cool-down method of equipment heat source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106122173A CN106122173A (en) | 2016-11-16 |
| CN106122173B true CN106122173B (en) | 2018-06-29 |
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| CN201610497551.2A Active CN106122173B (en) | 2016-06-30 | 2016-06-30 | Industrial hydraulic oil refrigeration machine is used for the cool-down method of equipment heat source |
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| CN111536100B (en) * | 2020-04-30 | 2022-09-06 | 肇庆学院 | Temperature control system and temperature control method for high-acceleration test bed of hydraulic element |
| CN114109937B (en) * | 2021-11-26 | 2024-06-04 | 建湖县八达液压机械有限公司 | Portable and cooling rate is fast hydraulic power unit |
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| CN2608736Y (en) * | 2003-03-07 | 2004-03-31 | 朱兵 | Hydropress hydralic medium electric refrigeration cooling device |
| US6993920B2 (en) * | 2004-01-30 | 2006-02-07 | Carrier Corporation | Heater cycling for improved oil return |
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| CN103983041B (en) * | 2014-04-15 | 2016-02-03 | 无锡冠亚恒温制冷技术有限公司 | The reactor refrigeration heated for controlling temperature system of high thermal discharge |
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| CN104848694B (en) * | 2015-05-23 | 2016-08-24 | 锦州天晟重工有限公司 | Ferrosilicon and metal-silicon furnace Special feeding furnace charge stirrer |
| CN105465060B (en) * | 2015-12-31 | 2017-11-10 | 杨成刚 | Intelligent hydraulic tank mounting |
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2016
- 2016-06-30 CN CN201610497551.2A patent/CN106122173B/en active Active
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