CN106015189A - Cooling method of heating industrial hydraulic oil refrigeration machine for equipment heat source - Google Patents

Cooling method of heating industrial hydraulic oil refrigeration machine for equipment heat source Download PDF

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Publication number
CN106015189A
CN106015189A CN201610497329.2A CN201610497329A CN106015189A CN 106015189 A CN106015189 A CN 106015189A CN 201610497329 A CN201610497329 A CN 201610497329A CN 106015189 A CN106015189 A CN 106015189A
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China
Prior art keywords
hydraulic oil
heat
cooling line
liquid
temperature
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Application number
CN201610497329.2A
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Chinese (zh)
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CN106015189B (en
Inventor
黄晓军
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Jiangsu Jinrongsen Refrigeration Technology Co Ltd
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Jiangsu Jinrongsen Refrigeration Technology Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04Special measures taken in connection with the properties of the fluid
    • F15B21/042Controlling the temperature of the fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/18Water-storage heaters
    • F24H1/20Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
    • F24H1/201Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/18Arrangement or mounting of grates or heating means
    • F24H9/1809Arrangement or mounting of grates or heating means for water heaters
    • F24H9/1818Arrangement or mounting of electric heating means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • F25B29/003Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/30Expansion means; Dispositions thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/003Filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/006Accumulators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00General 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
    • F25B2400/04Refrigeration circuit bypassing means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/06Damage
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/07Exceeding a certain pressure value in a refrigeration component or cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/28Means for preventing liquid refrigerant entering into the compressor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00Control issues
    • F25B2600/25Control of valves
    • F25B2600/2525Pressure relief valves

Abstract

The invention relates to a cooling method of a heating industrial hydraulic oil refrigeration machine. The method is characterized in that the heating industrial hydraulic oil refrigeration machine comprises a hydraulic oil conveying pipeline (100); a hydraulic oil conveying pipeline conveying pump (101), a heat exchange device (102) and a pipe type heater are sequentially arranged at the position, from a hydraulic oil inlet to a hydraulic oil outlet, of the hydraulic oil conveying pipeline (100); a gas and liquid separator, a compressor, a condenser, a liquid storage device, a drying filter, a cooling pipeline electromagnetic valve and a throttling device are sequentially arranged on a cooling pipeline (200), between a cooling outlet to a cooling inlet, of the heat exchange device (102); and a cooling pipeline bypass valve is arranged between a cooling pipeline between the compressor and the condenser and a cooling pipeline between the throttling device and the heat exchange device. The cooling method of the heating industrial hydraulic oil refrigeration machine for an equipment heat source has the beneficial effects of being good in hydraulic oil cooling effect, convenient to operate and low in energy consumption.

Description

Hot type industrial hydraulic oil refrigeration machine is for the cool-down method of equipment thermal source
Technical field
The present invention relates to a kind of hot type industrial hydraulic oil refrigeration machine cool-down method for equipment thermal source.
Background technology
It is known that, industrial hydraulic system oil temperature optimum working temperature is between 35 ~ 55 degrees Celsius, once temperature is increased to more than 60 degrees Celsius, the performance of hydraulic system will significantly decline, machinery equipment fault constantly occurs, cause the stability degradation of equipment, it is impossible to ensure the properly functioning of machinery equipment.Especially in summer, air themperature is higher, and the constant temperature rising of hydraulic oil can make machinery equipment usually be in stopped status.Therefore seeking a kind of to hydraulic oil good cooling results, easy to operate, the relatively low hot type industrial hydraulic oil refrigeration machine of energy consumption is particularly important for the cool-down method of equipment thermal source.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency, it is provided that a kind of to hydraulic oil good cooling results, easy to operate, the relatively low hot type industrial hydraulic oil refrigeration machine of energy consumption is for the cool-down method of equipment thermal source.
The object of the present invention is achieved like this:
nullA kind of hot type industrial hydraulic oil refrigeration machine is for the cool-down method of equipment thermal source,Described hot type industrial hydraulic oil refrigeration machine includes a hydraulic oil transfer pipeline,Between hydraulic oil oil-in to hydraulic oil oil-out, hydraulic oil transfer pipeline delivery pump and heat-exchanger rig it is disposed with on this hydraulic oil transfer pipeline,The coolant outlet of described heat-exchanger rig is disposed with gas-liquid separator to the cooling line cooled down between import、Compressor、Condenser、Reservoir、Device for drying and filtering、Cooling line electromagnetic valve and throttling arrangement,Compressor to the cooling line between condenser and throttling arrangement to heat-exchanger rig between cooling line between be provided with a cooling line bypass valve,A hydraulic oil bypass line it has been arranged in parallel on the hydraulic oil transfer pipeline at described heat-exchanger rig two ends,It is provided with hydraulic oil bypass valve on described hydraulic oil bypass line,Hydraulic oil transfer pipeline temperature sensor it is provided with on described hydraulic oil transfer pipeline;
Hot type industrial hydraulic oil refrigeration machine comprises the following steps for the cool-down method of equipment thermal source:
Step one, connection equipment thermal source and hot type industrial hydraulic oil refrigeration machine;
The hydraulic oil oil-in of the hydraulic oil transfer pipeline of hot type industrial hydraulic oil refrigeration machine and hydraulic oil oil-out are respectively by hydraulic oil oil-in flexible pipe and the hydraulic oil drain line of hydraulic oil oil-out hose connection equipment thermal source and hydraulic oil return line;
After step 2, equipment thermal source bring into operation, the hydraulic oil of second fluid chamber of fuel reserve tank is through fuel reserve tank outlet line supply arrangement electro-heat equipment, hydraulic oil in equipment heating device drains into first fluid chamber of fuel reserve tank by fuel reserve tank in-line, and the hydraulic oil of first fluid chamber sequentially passes through hydraulic oil drain line, hydraulic oil oil-in flexible pipe, hydraulic oil transfer pipeline, hydraulic oil oil-out flexible pipe and hydraulic oil return line and is back to second fluid chamber of fuel reserve tank;
Equipment thermal source initial operating stage, hydraulic fluid temperature is low, hydraulic oil directly flows from hydraulic oil bypass line in the flowing of hydraulic oil transfer pipeline, hydraulic oil cools down without heat-exchanger rig, equipment heating plant running a period of time can cause its internal hydraulic fluid temperature also to increase, therefore the hydraulic fluid temperature of first fluid chamber that equipment heating device is expelled in fuel reserve tank also raises, fuel reserve tank temperature sensor or hydraulic oil transfer pipeline temperature sensor detect that the temperature of hydraulic oil reaches certain high temperature, hydraulic oil bypass valve cuts out, heat-exchanger rig starts, hydraulic oil cools down through heat-exchanger rig;
Or equipment thermal source initial operating stage, hydraulic oil bypass valve cuts out, heat-exchanger rig cuts out, heat pipe-type heater starting thus improve the temperature of hydraulic oil in hydraulic oil transfer pipeline, until fuel reserve tank temperature sensor or hydraulic oil transfer pipeline temperature sensor detect that the temperature of hydraulic oil reaches certain high temperature, heat pipe-type heater cuts out, and heat-exchanger rig starts, and hydraulic oil cools down through heat-exchanger rig;
Hydraulic oil cools down through heat-exchanger rig, cooling line electromagnetic valve on cooling line starts, cooling line comes into operation, cooling line carries out heat exchange with the high-temperature liquid force feed in hydraulic oil transfer pipeline at heat-exchanger rig, high-temperature liquid force feed is cooled down so that the low temperature hydraulic oil cooled down by heat-exchanger rig is that second fluid chamber being again back to fuel reserve tank continues supply arrangement electro-heat equipment through hydraulic oil transfer pipeline.
Wherein the operation principle of cooling line is:
After condenser, cryogenic high pressure gas liquid mixture is become from compressor high temperature and high pressure gas out, it is then passed through reservoir and carries out gas-liquid separation formation cryogenic high pressure liquid, it is then passed through device for drying and filtering and carries out except water remove impurity, it is then passed through throttling arrangement and forms Low temperature low pressure liquid, Low temperature low pressure liquid forms low-temp low-pressure gas liquid mixture through heat exchange in heat-exchanger rig, low-temp low-pressure gas liquid mixture carries out gas-liquid separation through gas-liquid separator and forms low temperature low pressure gas, then low temperature low pressure gas is compressed forming high temperature and high pressure gas through compressor again, the most above-mentioned circulation, thus the hydraulic oil of the hydraulic oil transfer pipeline through heat-exchanger rig is cooled down by cooling line.Wherein the effect of the cooling line bypass valve in cooling line is that the pressure in cooling line persistently raises when reaching certain value, and cooling line bypass valve is opened and carried out pressure release and play a protective role cooling line;The effect of cooling line electromagnetic valve is when cooling line is inoperative, and the liquid placing cooling line electromagnetic valve front flow in compressor backward so that compressor damage, plays a protective role.
Compared with prior art, the invention has the beneficial effects as follows:
Hot type industrial hydraulic oil refrigeration machine of the present invention has hydraulic oil good cooling results for the cool-down method of equipment thermal source, easy to operate, the advantage that energy consumption is relatively low.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of tube heater.
Fig. 3 is the explosive view of Fig. 2.
Fig. 4 is the tube heater sectional view that flow channel for liquids selects spiral separating liquid sheet.
Fig. 5 is the liquid flow graph that flow channel for liquids selects the tube heater of spiral separating liquid sheet.
Fig. 6 is the tube heater sectional view that flow channel for liquids selects parallel separating liquid sheet.
Fig. 7 is the liquid flow graph that flow channel for liquids selects the tube heater of parallel separating liquid sheet.
Wherein:
Hydraulic oil transfer pipeline 100, hydraulic oil transfer pipeline delivery pump 101, heat-exchanger rig 102, hydraulic oil transfer pipeline temperature sensor 103
Cooling line 200, gas-liquid separator 201, compressor 202, condenser 203, reservoir 204, device for drying and filtering 205, cooling line electromagnetic valve 206, throttling arrangement 207, cooling line bypass valve 208
Hydraulic oil bypass line 300, hydraulic oil bypass valve 301
Tube heater 400, tube heater cylinder 401, first liquid mouth 402, second liquid mouth 403, lower flange 404, upper flange 405, electric heating tube 406, power protection box 407, installation screw socket 408, crash roll ring for fixing 409, tube heater cylinder fixed screw 410, crash roll 411, spiral separating liquid sheet 412, parallel separating liquid sheet 413
Equipment thermal source 900, equipment heating device 901, fuel reserve tank 902, fuel reserve tank in-line 903, hydraulic oil drain line 904, fuel reserve tank outlet line 905, fuel reserve tank oil-way circulation pump 906, hydraulic oil return line 907, fuel reserve tank temperature sensor 908.
Detailed description of the invention
nullSee Fig. 1 ~ Fig. 7,A kind of hot type industrial hydraulic oil refrigeration machine that the present invention relates to,It includes a hydraulic oil transfer pipeline 100,Between hydraulic oil oil-in to hydraulic oil oil-out, hydraulic oil transfer pipeline delivery pump 101 it is disposed with on this hydraulic oil transfer pipeline 100、Heat-exchanger rig 102 and tube heater 400,The coolant outlet of described heat-exchanger rig 102 is disposed with gas-liquid separator 201 to the cooling line 200 cooled down between import、Compressor 202、Condenser 203、Reservoir 204、Device for drying and filtering 205、Cooling line electromagnetic valve 206 and throttling arrangement 207,Wherein condenser 203 can be one,Condenser 203 can also be provided with multiple in parallel or in series,It is provided with a cooling line bypass valve 208 between the cooling line 200 between cooling line 200 and throttling arrangement 207 to heat-exchanger rig 102 between compressor 202 to condenser 203.
Hydraulic oil transfer pipeline temperature sensor 103 it is provided with on described hydraulic oil transfer pipeline 100, it is arranged in parallel a hydraulic oil bypass line 300 on the hydraulic oil transfer pipeline 100 at described heat-exchanger rig 102 two ends, described hydraulic oil bypass line 300 has been provided with hydraulic oil bypass valve 301.Hydraulic oil transfer pipeline temperature sensor 103 detects when temperature is relatively low, hydraulic oil bypass valve 301 is opened, hydraulic oil directly flows from hydraulic oil bypass line 300, hydraulic oil transfer pipeline temperature sensor 103 detects when temperature is higher, hydraulic oil bypass valve 301 cuts out, and hydraulic oil does not flows from hydraulic oil bypass line 300.
nullEquipment thermal source 900 includes equipment heating device 901 and fuel reserve tank 902,One piece of dividing plate being vertically arranged it is provided with in described reserving liquid tank 902,Dividing plate is respectively two fluid chambers by reserving liquid tank 902,First fluid chamber is provided with oil-in and the oil drain out of fuel reserve tank 902 of fuel reserve tank 902,Second fluid chamber is provided with oil-out and the oil return opening of fuel reserve tank 902 of fuel reserve tank 902,It is provided with filter at the oil drain out of fuel reserve tank 902 and the oil-out of fuel reserve tank 902,It is connected between the oil-out of equipment heating device 901 and the oil-in of fuel reserve tank 902 and has fuel reserve tank in-line 903,The oil drain out of fuel reserve tank 902 draws hydraulic oil drain line 904,It is connected between the oil-in of equipment heating device 901 and the oil-out of fuel reserve tank 902 and has fuel reserve tank outlet line 905,It is provided with fuel reserve tank oil-way circulation pump 906 on fuel reserve tank in-line 903 or fuel reserve tank outlet line 905,The oil return opening of fuel reserve tank 902 draws hydraulic oil return line 907,It is provided with a fuel reserve tank temperature sensor 908 in first fluid chamber of fuel reserve tank 902.
The hydraulic oil oil-in of described hydraulic oil transfer pipeline 100 and hydraulic oil oil-out are respectively by hydraulic oil oil-in flexible pipe and the hydraulic oil drain line 904 of hydraulic oil oil-out hose connection equipment thermal source 900 and hydraulic oil return line 907.
Described tube heater 400 includes tube heater cylinder 401, the first liquid mouth 402 and second liquid mouth 403 arranged up and down it is provided with on tube heater cylinder 401, described first liquid mouth 402 and second liquid mouth 403 diagonal angle on tube heater cylinder 401 is arranged, described first liquid mouth 402 and second liquid mouth 403 one of them be inlet one be liquid outlet, and can be with unrestricted choice.The top of tube heater cylinder 401 is provided with lower flange 404; described lower flange 404 is provided above upper flange 405; lower flange 404 and upper flange 405 are screwed connection; many electric heating tubes 406 it are installed with on upper flange 405; the main body of electric heating tube 406 is positioned at tube heater cylinder 401 inside center through lower flange 404; being covered with power protection box 407 above described upper flange 405, the power interface of electric heating tube 406 is positioned at the power protection box 407 above upper flange 405.It is provided with installation screw socket 408 on the sidewall of described tube heater cylinder 401, screw socket 408 is installed and is used for the adnexaes such as heating protecting device, heating control apparatus, safe pressure protection device are installed.Down-set bottom described tube heater cylinder 401 have tube heater cylinder fixed screw 410, and the rotation of tube heater cylinder fixed screw 410 is equipped with the crash roll ring for fixing 409 and crash roll 411 arranged up and down.Crash roll ring for fixing 409 is close to the bottom of tube heater cylinder 401, and crash roll 411 is embedded in crash roll ring for fixing 409.Being positioned at the region outside electric heating tube 406 in described tube heater cylinder 401 and be provided with the flow channel for liquids from first liquid mouth 402 to second liquid mouth 403, flow channel for liquids can be selected spiral separating liquid sheet 412 or select parallel separating liquid sheet 413.Wherein spiral separating liquid sheet 412 is flight structure, and parallel separating liquid sheet 413 is multiple horizontal plate structures that dislocation is arranged.
Spiral separating liquid sheet or parallel separating liquid sheet is added so that it is liquid is hankered effective adding, and homogeneous heating, volume are little, it is not easy to play dirt, will not make the fatefulue gel of liquid oil, carbonization in heated Tube cartridge heater body.It is greatly prolonged liquid, adds use time of heat pipe, substantially increase the machining accuracy of the service life of plant equipment, stability, product;Reduce operation and maintenance cost.Heating protecting device, heating control apparatus, safe pressure protection device etc. can be installed on this tube heater.This tube heater can be installed on any pipeline, installs and safeguards and change fairly simple.It is good that tube heater the most of the present invention has liquid heats, is greatly prolonged liquid, adds use time of heat pipe, is greatly improved the machining accuracy of the service life of plant equipment, stability, product;The advantage reducing operation and maintenance cost.
A kind of hot type industrial hydraulic oil refrigeration machine is for the cool-down method of equipment thermal source:
Step one, connection equipment thermal source 900 and hot type industrial hydraulic oil refrigeration machine;
The hydraulic oil oil-in of the hydraulic oil transfer pipeline 100 of hot type industrial hydraulic oil refrigeration machine and hydraulic oil oil-out are respectively by hydraulic oil oil-in flexible pipe and the hydraulic oil drain line 904 of hydraulic oil oil-out hose connection equipment thermal source 900 and hydraulic oil return line 907;
After step 2, equipment thermal source 900 bring into operation, the hydraulic oil of 902 second fluid chambers of fuel reserve tank is through fuel reserve tank outlet line 905 supply arrangement electro-heat equipment 901, hydraulic oil in equipment heating device 901 drains into first fluid chamber of fuel reserve tank 902 by fuel reserve tank in-line 903, and the hydraulic oil of first fluid chamber sequentially passes through hydraulic oil drain line 904, hydraulic oil oil-in flexible pipe, hydraulic oil transfer pipeline 100, hydraulic oil oil-out flexible pipe and hydraulic oil return line 907 and is back to second fluid chamber of fuel reserve tank 902;
Equipment thermal source 900 initial operating stage, hydraulic fluid temperature is low, and hydraulic oil directly flows from hydraulic oil bypass line 300 in the flowing of hydraulic oil transfer pipeline 100, and hydraulic oil cools down without heat-exchanger rig 102;
nullEquipment heating device 901 runs a period of time and its internal hydraulic fluid temperature can be caused also to increase,The hydraulic fluid temperature of first fluid chamber in therefore equipment heating device 901 is expelled to fuel reserve tank 902 also raises,Fuel reserve tank temperature sensor 908 or hydraulic oil transfer pipeline temperature sensor 103 detect that the temperature of hydraulic oil reaches certain high temperature (more than 60 degrees Celsius),Hydraulic oil bypass valve 301 cuts out,Hydraulic oil cools down through heat-exchanger rig 102,Now the cooling line electromagnetic valve 206 on cooling line 200 starts,Cooling line 200 comes into operation,Cooling line 200 carries out heat exchange with the high-temperature liquid force feed in hydraulic oil transfer pipeline 100 at heat-exchanger rig 102,High-temperature liquid force feed is cooled down,Making the low temperature hydraulic oil cooled down by heat-exchanger rig 102 is that second fluid chamber being again back to fuel reserve tank 902 continues supply arrangement electro-heat equipment 901 through hydraulic oil transfer pipeline 100.
Equipment thermal source 900 initial operating stage, can also close by hydraulic oil bypass valve 301, heat-exchanger rig 102 cuts out, heat pipe-type heater starting thus improve the temperature of hydraulic oil in hydraulic oil transfer pipeline, until fuel reserve tank temperature sensor 908 or hydraulic oil transfer pipeline temperature sensor 103 detect that the temperature of hydraulic oil reaches certain high temperature (more than 60 degrees Celsius), heat pipe-type heater cuts out, and heat-exchanger rig 102 starts.
Wherein the operation principle of cooling line 200 is:
After condenser 203, cryogenic high pressure gas liquid mixture is become from compressor 202 high temperature and high pressure gas out, it is then passed through reservoir 204 and carries out gas-liquid separation formation cryogenic high pressure liquid, it is then passed through device for drying and filtering 205 and carries out except water remove impurity, it is then passed through throttling arrangement 207 and forms Low temperature low pressure liquid, Low temperature low pressure liquid forms low-temp low-pressure gas liquid mixture through heat exchange in heat-exchanger rig 102, low-temp low-pressure gas liquid mixture carries out gas-liquid separation through gas-liquid separator 201 and forms low temperature low pressure gas, then low temperature low pressure gas is compressed forming high temperature and high pressure gas through compressor 202 again, the most above-mentioned circulation, thus the hydraulic oil of the hydraulic oil transfer pipeline 100 through heat-exchanger rig 102 is cooled down by cooling line 200.Wherein the effect of the cooling line bypass valve 208 in cooling line 200 is that the pressure in cooling line 200 persistently raises when reaching certain value, and cooling line bypass valve 208 is opened and carried out pressure release and play a protective role cooling line 200;The effect of cooling line electromagnetic valve 206 is when cooling line 200 is inoperative, and the liquid placing cooling line electromagnetic valve 206 front flow in compressor 202 backward so that compressor 202 damages, and plays a protective role.

Claims (9)

  1. null1. a hot type industrial hydraulic oil refrigeration machine is for the cool-down method of equipment thermal source,It is characterized in that described hot type industrial hydraulic oil refrigeration machine includes a hydraulic oil transfer pipeline (100),Between hydraulic oil oil-in to hydraulic oil oil-out, hydraulic oil transfer pipeline delivery pump (101) it is disposed with on this hydraulic oil transfer pipeline (100)、Heat-exchanger rig (102) and tube heater,The coolant outlet of described heat-exchanger rig (102) is disposed with gas-liquid separator (201) to the cooling line (200) cooled down between import、Compressor (202)、Condenser (203)、Reservoir (204)、Device for drying and filtering (205)、Cooling line electromagnetic valve (206) and throttling arrangement (207),Compressor (202) to the cooling line (200) between condenser (203) and throttling arrangement (207) to heat-exchanger rig (102) between cooling line (200) between be provided with a cooling line bypass valve (208),A hydraulic oil bypass line (300) it has been arranged in parallel on the hydraulic oil transfer pipeline (100) at described heat-exchanger rig (102) two ends,It is provided with hydraulic oil bypass valve (301) on described hydraulic oil bypass line (300),It is provided with hydraulic oil transfer pipeline temperature sensor (103) on described hydraulic oil transfer pipeline (100);
    Hot type industrial hydraulic oil refrigeration machine comprises the following steps for the cool-down method of equipment thermal source:
    Step one, connection equipment thermal source (900) and hot type industrial hydraulic oil refrigeration machine;
    The hydraulic oil oil-in of the hydraulic oil transfer pipeline (100) of hot type industrial hydraulic oil refrigeration machine and hydraulic oil oil-out are respectively by hydraulic oil oil-in flexible pipe and the hydraulic oil drain line (904) of hydraulic oil oil-out hose connection equipment thermal source (900) and hydraulic oil return line (907);
    Step 2, after equipment thermal source (900) brings into operation, the hydraulic oil of (902) second fluid chambers of fuel reserve tank is through fuel reserve tank outlet line (905) supply arrangement electro-heat equipment (901), hydraulic oil in equipment heating device (901) drains into first fluid chamber of fuel reserve tank (902) by fuel reserve tank in-line (903), the hydraulic oil of first fluid chamber sequentially passes through hydraulic oil drain line (904), hydraulic oil oil-in flexible pipe, hydraulic oil transfer pipeline (100), hydraulic oil oil-out flexible pipe and hydraulic oil return line (907) are back to second fluid chamber of fuel reserve tank (902);
    Equipment thermal source (900) initial operating stage, hydraulic fluid temperature is low, hydraulic oil directly flows from hydraulic oil bypass line (300) in the flowing of hydraulic oil transfer pipeline (100), hydraulic oil cools down without heat-exchanger rig (102), equipment heating device (901) operation a period of time can cause its internal hydraulic fluid temperature also to increase, the hydraulic fluid temperature of first fluid chamber in therefore equipment heating device (901) is expelled to fuel reserve tank (902) also raises, fuel reserve tank temperature sensor (908) or hydraulic oil transfer pipeline temperature sensor (103) detect that the temperature of hydraulic oil reaches certain high temperature, hydraulic oil bypass valve (301) cuts out, heat-exchanger rig (102) starts, hydraulic oil cools down through heat-exchanger rig (102);
    Or equipment thermal source (900) initial operating stage, hydraulic oil bypass valve (301) cuts out, heat-exchanger rig (102) cuts out, heat pipe-type heater starting thus improve the temperature of hydraulic oil in hydraulic oil transfer pipeline, until fuel reserve tank temperature sensor (908) or hydraulic oil transfer pipeline temperature sensor (103) detect that the temperature of hydraulic oil reaches certain high temperature, heat pipe-type heater cuts out, and heat-exchanger rig (102) starts, and hydraulic oil cools down through heat-exchanger rig (102);
    Hydraulic oil cools down through heat-exchanger rig (102), cooling line electromagnetic valve (206) on cooling line (200) starts, cooling line (200) comes into operation, the cooling line (200) high-temperature liquid force feed in heat-exchanger rig (102) place with hydraulic oil transfer pipeline (100) carries out heat exchange, high-temperature liquid force feed is cooled down so that the low temperature hydraulic oil cooled down by heat-exchanger rig (102) is that second fluid chamber being again back to fuel reserve tank (902) continues supply arrangement electro-heat equipment (901) through hydraulic oil transfer pipeline (100).
  2. The cool-down method of a kind of hot type industrial hydraulic oil refrigeration machine the most according to claim 1, it is characterised in that wherein the operation principle of cooling line (200) is:
    nullAfter condenser (203), cryogenic high pressure gas liquid mixture is become from compressor (202) high temperature and high pressure gas out,It is then passed through reservoir (204) and carries out gas-liquid separation formation cryogenic high pressure liquid,It is then passed through device for drying and filtering (205) to carry out except water remove impurity,It is then passed through throttling arrangement (207) and forms Low temperature low pressure liquid,Low temperature low pressure liquid forms low-temp low-pressure gas liquid mixture through heat exchange in heat-exchanger rig (102),Low-temp low-pressure gas liquid mixture carries out gas-liquid separation through gas-liquid separator (201) and forms low temperature low pressure gas,Then low temperature low pressure gas is compressed forming high temperature and high pressure gas through compressor (202) again,The most above-mentioned circulation,Thus the hydraulic oil of the hydraulic oil transfer pipeline (100) through heat-exchanger rig (102) is cooled down by cooling line (200),Wherein the effect of the cooling line bypass valve (208) in cooling line (200) is that the pressure in cooling line (200) persistently raises when reaching certain value,Cooling line bypass valve (208) is opened and is carried out pressure release and play a protective role cooling line (200);The effect of cooling line electromagnetic valve (206) is when cooling line (200) is inoperative, and the liquid placing cooling line electromagnetic valve (206) front flow in compressor (202) backward so that compressor (202) damages, and plays a protective role.
  3. A kind of hot type industrial hydraulic oil refrigeration machine the most according to claim 1 is for the cool-down method of equipment thermal source, it is characterized in that tube heater includes tube heater cylinder (401), the first liquid mouth (402) and second liquid mouth (403) arranged up and down it is provided with on tube heater cylinder (401), the main body of electric heating tube (406) is positioned at tube heater cylinder (401) inside center, the region being positioned at electric heating tube (406) outside in described tube heater cylinder (401) is provided with the flow channel for liquids from first liquid mouth (402) to second liquid mouth (403).
  4. A kind of hot type industrial hydraulic oil refrigeration machine the most according to claim 1 is for the cool-down method of equipment thermal source, it is characterised in that flow channel for liquids is spiral separating liquid sheet (412) or parallel separating liquid sheet (413).
  5. A kind of hot type industrial hydraulic oil refrigeration machine the most according to claim 1 is for the cool-down method of equipment thermal source, it is characterised in that described first liquid mouth (402) and second liquid mouth (403) are arranged at the upper diagonal angle of tube heater cylinder (401).
  6. A kind of hot type industrial hydraulic oil refrigeration machine the most according to claim 1 is for the cool-down method of equipment thermal source, it is characterized in that the top of tube heater cylinder (401) is provided with lower flange (404), described lower flange (404) is provided above upper flange (405), being installed with many electric heating tubes (406) on upper flange (405), the main body of electric heating tube (406) is positioned at tube heater cylinder (401) inside center through lower flange (404).
  7. A kind of hot type industrial hydraulic oil refrigeration machine the most according to claim 6 is for the cool-down method of equipment thermal source; it is characterized in that described upper flange (405) top is covered with power protection box (407), the power interface of electric heating tube (406) is positioned at the power protection box (407) of upper flange (405) top.
  8. A kind of hot type industrial hydraulic oil refrigeration machine the most according to claim 1 is for the cool-down method of equipment thermal source, it is characterised in that be provided with installation screw socket (408) on the sidewall of described tube heater cylinder (401).
  9. A kind of hot type industrial hydraulic oil refrigeration machine the most according to claim 1 is for the cool-down method of equipment thermal source, it is characterized in that described tube heater cylinder (401) bottom is down-set and have tube heater cylinder fixed screw (410), tube heater cylinder fixed screw (410) rotation is equipped with the crash roll ring for fixing (409) and crash roll (411) arranged up and down, crash roll ring for fixing (409) is close to the bottom of tube heater cylinder (401), and crash roll (411) is embedded in crash roll ring for fixing (409).
CN201610497329.2A 2016-06-30 2016-06-30 Hot type industrial hydraulic oil refrigeration machine is used for the cool-down method of equipment thermal source Active CN106015189B (en)

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WO2020171778A1 (en) * 2019-02-20 2020-08-27 Sp Innovation Pte. Ltd. Improved chiller and method of use

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