CN106151176B - The method of work of the temperature control industrial refrigerating plant of hydraulic pressure bypass with ball-type relief valve - Google Patents
The method of work of the temperature control industrial refrigerating plant of hydraulic pressure bypass with ball-type relief valve Download PDFInfo
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- CN106151176B CN106151176B CN201610506428.2A CN201610506428A CN106151176B CN 106151176 B CN106151176 B CN 106151176B CN 201610506428 A CN201610506428 A CN 201610506428A CN 106151176 B CN106151176 B CN 106151176B
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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
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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)
- Power Engineering (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
A kind of method of work of the temperature control industrial refrigerating plant of hydraulic pressure bypass with ball-type relief valve of the present invention, the temperature control industrial refrigerating plant of hydraulic pressure bypass with ball-type relief valve includes a hydraulic oil transfer pipeline, from hydraulic oil oil inlet to being disposed with hydraulic oil transfer pipeline delivery pump between hydraulic oil oil-out on the hydraulic oil transfer pipeline, radiator, tube heater and heat-exchanger rig, the side of radiator is provided with cooling fan, gas-liquid separator is disposed with the coolant outlet of the heat-exchanger rig to the cooling line cooled down between import, compressor, condenser, reservoir, device for drying and filtering, cooling line magnetic valve and throttling arrangement, compressor is to the cooling line and throttling arrangement between condenser to being provided with a cooling line by-passing valve between the cooling line between heat-exchanger rig；Ball-type relief valve has been arranged in parallel on the oil circuit at radiator two ends.The present invention has reliability high, is hardly damaged, it is ensured that the advantage of system stable operation.
Description
Technical field
The present invention relates to a kind of method of work of the temperature control industrial refrigerating plant of the hydraulic pressure bypass with ball-type relief valve.
Background technology
It is well known that oil temperature in hydraulic system optimum temperature is between 35 ~ 55 degrees Celsius, taken the photograph once temperature increases to over 60
Family name's degree, the system of hydraulic system will significantly decline, and its equipment fault continuously emerges, under causing the stability of equipment serious
Drop, it is impossible to ensure that machinery equipment is normally run.Especially season, high oil temperature, or even machinery equipment can be caused usually to locate in full summer
In stopped status.
Therefore the stability of industrial refrigerating plant directly influences the working condition of machinery equipment, traditional industrial refrigeration dress
Put middle fluid pressure it is excessive when, directly result in pressure in heat exchanger it is excessive to radiator cause damage.General radiator be
The collecting tank of radiator has the capacity of a fixed proportion, and fluid has certain big resistance by radiator heat-dissipation channel interior
Power.Its amount of liquid storage is smaller, does not buffer, running into that the temperature difference is big, low temperature environment, flow are uneven, have certain viscosity liquid,
Have under the fluid situations of impulsive force, the pressure of radiator heat-dissipation channel interior also increases therewith, is especially having impulsive force and viscosity
In the case of than larger fluid, because fluid is in the resistance of channel interior, prevent fluid from running through inside radiator passage,
Pressure increase is allowed to, more than the highest operating pressure of radiator, radiator is easy to damage, scrapped.
The content of the invention
It is above-mentioned not enough high there is provided a kind of reliability it is an object of the invention to overcome, it is hardly damaged, it is ensured that system is stable to transport
The method of work of the temperature control industrial refrigerating plant of the capable bypass of the hydraulic pressure with ball-type relief valve.
The object of the present invention is achieved like this：
A kind of method of work of the temperature control industrial refrigerating plant of the hydraulic pressure bypass with ball-type relief valve, with ball-type relief valve
The temperature control industrial refrigerating plant of hydraulic pressure bypass includes from hydraulic oil entering on a hydraulic oil transfer pipeline, the hydraulic oil transfer pipeline
Hydraulic fluid port is to being disposed with hydraulic oil transfer pipeline delivery pump, radiator, tube heater and heat exchange between hydraulic oil oil-out
Device, the side of radiator is provided with cooling fan, and the coolant outlet of the heat-exchanger rig extremely cools down the cooling tube between import
Gas-liquid separator, compressor, condenser, reservoir, device for drying and filtering, cooling line magnetic valve and section are disposed with road
Device is flowed, compressor to the cooling line and throttling arrangement between condenser is set between the cooling line between heat-exchanger rig
There is a cooling line by-passing valve.The tube heater includes being provided with tube heater cylinder, tube heater cylinder
The first liquid port and second liquid mouthful arranged up and down, the main body of electric heating tube are located at tube heater inner barrel center,
Region in the tube heater cylinder on the outside of electric heating tube is provided with the liquid of the mouth from the first liquid port to second liquid
Body runner, the side of the radiator, which is provided with cooling fan, the oil circuit at radiator two ends, has been arranged in parallel ball-type relief valve,
The ball-type relief valve includes the cavity that inverted T-type structure is provided with housing, the housing, and the cavity includes lateral arrangement
Fluid passage and the regulation passage that is vertically arranged, dust cap, sealing are disposed with from top to bottom in the regulation passage
Sliding block, spring, ball support block and spheroid, have a regulation screw mandrel from the top down through dust cap and are connected to sealing sliding block
Top, regulation screw mandrel be threadedly coupled with dust cap, on the regulation screw mandrel above dust cap also revolve be equipped with locking nut, it is described close
The outward flange for sealing sliding block fits with adjusting the inwall of passage, and the upper and lower ends of the spring connect the bottom of sealing sliding block respectively
And the top of ball support block, the spheroid is fixedly installed in the bottom of ball support block, the lower semisection longitudinal direction of the spheroid
The section of section and fluid passage coincide, and nature lower sphere is close to the bottom of fluid passage, and fluid can not be from fluid passage
It is interior carry out laterally across.
The radiator is protecting against shock accumulation of energy radiator, and the radiator includes radiator body and accumulation of energy pipe, described
Radiator body includes the first collecting tank and the second collecting tank that left and right is vertically arranged, between the first collecting tank and the second collecting tank
Many shunting liquid baths of lateral arrangement are connected with, the accumulation of energy pipe is the tubular structure that bottom opening remainder is closed, accumulation of energy
The bottom opening of pipe is connected with the first collecting tank and the second collecting tank.
Step 1: connection equipment heating source and industrial refrigerating plant；
The hydraulic oil oil inlet and hydraulic oil oil-out of the hydraulic oil transfer pipeline of industrial refrigerating plant pass through hydraulic pressure respectively
The hydraulic oil drain line and hydraulic oil return line in oily oil inlet flexible pipe and hydraulic oil oil-out flexible pipe connection equipment heating source；
Step 2: after equipment heating source brings into operation, the hydraulic oil of second fluid chamber of fuel reserve tank goes out by fuel reserve tank
Hydraulic oil in oil pipe line supply arrangement electro-heat equipment, equipment heating device drains into the of fuel reserve tank by fuel reserve tank in-line
One fluid chamber, the hydraulic oil of first fluid chamber sequentially passes through hydraulic oil drain line, hydraulic oil oil inlet flexible pipe, liquid
Force feed transfer pipeline, hydraulic oil oil-out flexible pipe and hydraulic oil return line are back to second fluid chamber of fuel reserve tank；
Equipment heating source initial operating stage, hydraulic fluid temperature is low, and hydraulic oil is direct from liquid in the flowing of hydraulic oil transfer pipeline
Bypass line flowing is pressed oil, hydraulic oil is cooled down without heat-exchanger rig；
The hydraulic fluid temperature that equipment heating plant running can cause it internal for a period of time is also increased, therefore equipment is sent out
The hydraulic fluid temperature for first fluid chamber that thermal is expelled in fuel reserve tank is also raised, fuel reserve tank temperature sensor or liquid
The temperature that force feed transfer pipeline temperature sensor detects hydraulic oil reaches certain high temperature, and hydraulic oil by-passing valve is closed, hydraulic oil
Cooled down, now the cooling line magnetic valve on cooling line starts, cooling line comes into operation, cooled down by heat-exchanger rig
Pipeline carries out heat exchange at heat-exchanger rig with the high temperature hydraulic oil in hydraulic oil transfer pipeline, high temperature hydraulic oil is carried out cold
But so that the low temperature hydraulic oil cooled down by heat-exchanger rig is second liquid for being back to fuel reserve tank again by hydraulic oil transfer pipeline
Continue supply arrangement electro-heat equipment in pumping chamber.
The left and right ends of the fluid passage are provided with connection screw thread.
Dust cap is threadedly coupled with adjusting the top open part of passage.
Sealing ring is provided between the outward flange of sealing sliding block and the inwall for adjusting passage.
When the first, built in accumulation of energy pipe：
When the inlet and liquid outlet of protecting against shock accumulation of energy radiator are located at the top of the first collecting tank and the second collecting tank,
Accumulation of energy pipe is installed on to the inside of the first collecting tank and the second collecting tank；
When the inlet and liquid outlet of protecting against shock accumulation of energy radiator are located at the side of the first collecting tank and the second collecting tank,
Accumulation of energy pipe is installed on to the inside of the first collecting tank and the second collecting tank, if the height of accumulation of energy pipe is higher than inlet and liquid outlet
Height, then other processing need not be done, if height of the height of accumulation of energy pipe less than inlet and liquid outlet, in accumulation of energy pipe
Top installs distributing damper additional, and distributing damper separates the shunting liquid bath of inlet and the corresponding height and position of liquid outlet；
2nd, when accumulation of energy pipe is external：
The bottom opening of accumulation of energy pipe is threadedly coupled with the connector of the first collecting tank and the bottom side of the second collecting tank, institute
The top for stating accumulation of energy pipe is fixedly connected with the installation side of the first collecting tank and the top side of the second collecting tank using bolt.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention has reliability high, is hardly damaged, it is ensured that the advantage of system stable operation.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the internal structure schematic diagram of ball-type relief valve.
Fig. 3 is the contour structures schematic diagram of ball-type relief valve.
Fig. 4 is the schematic diagram of embodiment 1.
Fig. 5 is the schematic diagram of embodiment 2.
Fig. 6 is the structural representation of tube heater.
Fig. 7 is Fig. 6 explosive view.
Fig. 8 is the tube heater sectional view that flow channel for liquids selects spiral separating liquid piece.
Fig. 9 is liquid flow graph of the flow channel for liquids from the tube heater of spiral separating liquid piece.
Figure 10 is the tube heater sectional view that flow channel for liquids selects parallel separating liquid piece.
Figure 11 is liquid flow graph of the flow channel for liquids from the tube heater of parallel separating liquid piece.
Figure 12 is the embodiment A of radiator front view.
Figure 13 is the embodiment A of radiator side view.
Figure 14 is Figure 13 explosive view.
Figure 15 is the embodiment A of radiator three-dimensional semi-cutaway.
Figure 16 is the embodiment A of radiator the first collecting tank schematic internal view.
Figure 17 is the embodiment B of radiator front view.
Figure 18 is the embodiment B of radiator side view.
Figure 19 is Figure 18 explosive view.
Figure 20 is the embodiment B of radiator three-dimensional semi-cutaway.
Figure 21 is the embodiment B of radiator the first collecting tank schematic internal view.
Figure 22 is the embodiment C of radiator front view.
Figure 23 is the embodiment C of radiator side view.
Figure 24 is Figure 23 explosive view.
Figure 25 is the embodiment C of radiator three-dimensional semi-cutaway.
Figure 26 is the embodiment C of radiator the first collecting tank schematic internal view.
Figure 27 is the embodiment D of radiator front view.
Figure 28 is the embodiment D of radiator side view.
Figure 29 is Figure 28 explosive view.
Figure 30 is the embodiment D of radiator three-dimensional semi-cutaway.
Figure 31 is the embodiment D of radiator the first collecting tank schematic internal view.
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
205th, cooling line magnetic valve 206, throttling arrangement 207, cooling line by-passing valve 208
Hydraulic oil bypass line 300, hydraulic oil by-passing valve 301
Tube heater 4, tube heater cylinder 401, the first liquid port 402, second liquid mouthfuls 403, lower flange 404,
Upper flange 405, electric heating tube 406, power protection box 407, installation screw socket 408, crash roll retainer plate 409, tube heater cylinder
Body fixed screw 410, crash roll 411, spiral separating liquid piece 412, parallel separating liquid piece 413
Radiator 5, accumulation of energy pipe 500, the first collecting tank 501, the second collecting tank 502, shunting liquid bath 503, sewage draining exit 504,
Sewage draining exit bolt 505, sewage draining exit sealing gasket 506, distributing damper 507
Ball-type relief valve 8, housing 801, fluid passage 802, regulation passage 803, dust cap 804, sealing sliding block 805, bullet
Spring 806, ball support block 807, spheroid 808, regulation screw mandrel 809, sealing ring 8010, locking nut 8011
Equipment heating source 900, equipment heating device 901, fuel reserve tank 902, fuel reserve tank in-line 903, hydraulic oil oil extraction
Pipeline 904, fuel reserve tank outlet line 905, fuel reserve tank oil-way circulation pump 906, hydraulic oil return line 907, fuel reserve tank temperature are passed
Sensor 908.
Embodiment
Referring to Fig. 1 ~ Figure 31, a kind of temperature control industrial refrigeration dress of the hydraulic pressure bypass with ball-type relief valve of the present invention
Put, it includes from hydraulic oil oil inlet to hydraulic oil going out on a hydraulic oil transfer pipeline 100, the hydraulic oil transfer pipeline 100
Hydraulic oil transfer pipeline delivery pump 101, radiator 5, tube heater and heat-exchanger rig 102 are disposed between hydraulic fluid port, is dissipated
The side of hot device 5 is provided with cooling fan, and the coolant outlet of the heat-exchanger rig 102 extremely cools down the cooling line between import
Gas-liquid separator 201, compressor 202, condenser 203, reservoir 204, device for drying and filtering 205, cooling are disposed with 200
Pipeline electromagnetic valve 206 and throttling arrangement 207, wherein condenser 203 can be one, condenser 203 can also it is in parallel or
It has been arranged in series multiple, compressor 202 to the cooling line 200 and throttling arrangement 207 between condenser 203 to heat-exchanger rig
A cooling line by-passing valve 208 is provided between cooling line 200 between 102.
Hydraulic oil transfer pipeline temperature sensor 103, the heat-exchanger rig are provided with the hydraulic oil transfer pipeline 100
A hydraulic oil bypass line 300, the hydraulic oil bypass pipe have been arranged in parallel on the hydraulic oil transfer pipeline 100 at 102 two ends
Hydraulic oil by-passing valve 301 is provided with road 300.Hydraulic oil transfer pipeline temperature sensor 103 detect temperature it is relatively low when, hydraulic pressure
Oil bypass valve 301 is opened, and hydraulic oil directly flows from hydraulic oil bypass line 300, hydraulic oil transfer pipeline temperature sensor 103
Detect temperature it is higher when, hydraulic oil by-passing valve 301 is closed, and hydraulic oil does not flow from hydraulic oil bypass line 300.
Equipment heating source 900 includes being provided with one in equipment heating device 901 and fuel reserve tank 902, the liquid reserve tank 902
The dividing plate that block is vertically arranged, dividing plate will be respectively two fluid chambers in liquid reserve tank 902, and first fluid chamber is provided with oil storage
The oil inlet of case 902 and the oil discharge outlet of fuel reserve tank 902, second fluid chamber be provided with fuel reserve tank 902 oil-out and
Filter, equipment hair are provided with the oil return opening of fuel reserve tank 902, the oil discharge outlet of fuel reserve tank 902 and the oil-out of fuel reserve tank 902
Fuel reserve tank in-line 903, the row of fuel reserve tank 902 are connected between the oil-out of thermal 901 and the oil inlet of fuel reserve tank 902
Hydraulic fluid port draws hydraulic oil drain line 904, is connected between the oil inlet of equipment heating device 901 and the oil-out of fuel reserve tank 902
Have and be provided with fuel reserve tank oil circuit in fuel reserve tank outlet line 905, fuel reserve tank in-line 903 or fuel reserve tank outlet line 905
Circulating pump 906, the oil return opening of fuel reserve tank 902 is drawn in hydraulic oil return line 907, first fluid chamber of fuel reserve tank 902
It is provided with a fuel reserve tank temperature sensor 908.
The hydraulic oil oil inlet and hydraulic oil oil-out of the hydraulic oil transfer pipeline 100 pass through hydraulic oil oil inlet respectively
Flexible pipe and the hydraulic oil drain line 904 and hydraulic oil return line in hydraulic oil oil-out flexible pipe connection equipment heating source 900
907。
A kind of method of work of the temperature control industrial refrigerating plant of the hydraulic pressure bypass with ball-type relief valve：
Step 1: connection equipment heating source 900 and industrial refrigerating plant；
The hydraulic oil oil inlet and hydraulic oil oil-out of the hydraulic oil transfer pipeline 100 of industrial refrigerating plant pass through liquid respectively
Press oil the hydraulic oil drain line 904 and hydraulic oil in oil inlet flexible pipe and hydraulic oil oil-out flexible pipe connection equipment heating source 900
Return line 907；
Step 2: after equipment heating source 900 brings into operation, the hydraulic oil of 902 second fluid chambers of fuel reserve tank is by storage
Hydraulic oil in the supply arrangement electro-heat equipment 901 of fuel tank outlet line 905, equipment heating device 901 passes through fuel reserve tank oil inlet pipe
Road 903 drains into first fluid chamber of fuel reserve tank 902, and the hydraulic oil of first fluid chamber sequentially passes through hydraulic oil oil exit pipe
Road 904, hydraulic oil oil inlet 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；
The initial operating stage of equipment heating source 900, hydraulic fluid temperature is low, and hydraulic oil is straight in the flowing of hydraulic oil transfer pipeline 100
Connect from hydraulic oil bypass line 300 and flow, 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 is also increased, therefore is set
The hydraulic fluid temperature for first fluid chamber that preparation thermal 901 is expelled in fuel reserve tank 902 is also raised, and fuel reserve tank temperature is passed
The temperature that sensor 908 or hydraulic oil transfer pipeline temperature sensor 103 detect hydraulic oil reaches certain high temperature（Taken the photograph more than 60
Family name's degree）, hydraulic oil by-passing valve 301 closed, and hydraulic oil is cooled down by heat-exchanger rig 102, now cold on cooling line 200
But pipeline electromagnetic valve 206 starts, and cooling line 200 comes into operation, and cooling line 200 is defeated with hydraulic oil at heat-exchanger rig 102
Send the high temperature hydraulic oil in pipeline 100 to carry 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
Equipment heating device 901.
The operation principle of wherein cooling line 200 is：
The high temperature and high pressure gas come out from compressor 202 are changed into cryogenic high pressure gas liquid mixture after condenser 203, so
Gas-liquid separation being carried out by reservoir 204 afterwards and forming cryogenic high pressure liquid, then carrying out water removal by device for drying and filtering 205 removes
Miscellaneous, then by the formation low temperature and low pressure liquid of throttling arrangement 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 process compressor 202 is compressed to form high temperature and high pressure gas low temperature low pressure gas again, back and forth above-mentioned to follow
Ring, so that 200 pairs of hydraulic oil by the hydraulic oil transfer pipeline 100 of heat-exchanger rig 102 of cooling line is cooled down.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 raises and reaches certain value
When, cooling line by-passing valve 208 opens progress pressure release and cooling line 200 is played a protective role；Cooling line magnetic valve 206
Effect is that, when cooling line 200 is inoperative, the liquid for placing the front of cooling line magnetic valve 206 flow to compressor 202 backward
It is interior so that compressor 202 is damaged, and is played a protective role.
Ball-type relief valve 8 has been arranged in parallel on the oil circuit at the two ends of radiator 5.
The ball-type relief valve 8 includes the cavity that inverted T-type structure is provided with housing 801, the housing 1, the sky
The regulation passage 803 that chamber includes the fluid passage 802 of lateral arrangement and is vertically arranged, the left and right two of the fluid passage 802
End is provided with connection screw thread, the regulation passage 803 is disposed with dust cap 804, sealing sliding block 805, bullet from top to bottom
The top open part screw thread of spring 806, ball support block 807 and spheroid 808, wherein dust cap 804 and regulation passage 803 connects
Connect, have a regulation screw mandrel 809 from the top down through dust cap 804 and be connected to the top of sealing sliding block 805, adjust screw mandrel
809 are threadedly coupled with dust cap 804, and also rotation is equipped with locking nut 8011 on the regulation screw mandrel 809 of the top of dust cap 804, described
The outward flange for sealing sliding block 805 fits with adjusting the inwall of passage 803, in the outward flange of sealing sliding block 805 and regulation passage
Sealing ring 8010 is provided between 803 inwall, the upper and lower ends of the spring 806 connect the bottom of sealing sliding block 805 respectively
And the top of ball support block 807, the spheroid 808 is fixedly installed in the bottom of ball support block 807, the spheroid 808
The section of lower semisection longitudinal cross-section and fluid passage 802 coincide, under nature, due to the elastic force of spring 806 so that spheroid
808 when being close to the bottom of fluid passage 802, fluid can not be carried out out of fluid passage 802 laterally across.
The tube heater 4 includes tube heater cylinder 401, be provided with tube heater cylinder 401 above and below cloth
The first liquid port 402 and the second liquid mouth 403 put, the first liquid port 402 and the second liquid mouth 403 is heated in tubular type
It is diagonally arranged on device cylinder 401, first liquid port 402 and second liquid mouthfuls 403 one of them be that inlet one is
Liquid mouthful, and can be with unrestricted choice.The top of tube heater cylinder 401 is provided with lower flange 404, the lower flange 404
Side is provided with upper flange 405, and lower flange 404 and upper flange 405 are screwed on connection, upper flange 405 and be installed with
Many electric heating tubes 406, the main body of electric heating tube 406 is located at the inside center of tube heater cylinder 401 through lower flange 404,
The top of upper flange 405 is covered with power protection box 407, and the power interface of electric heating tube 406 is located at the top of upper flange 405
In power protection box 407.Installation screw socket 408 is provided with the side wall of the tube heater cylinder 401, screw socket 408 is installed and used
In annexes such as installation heating protecting device, heating control apparatus, safe pressure protection devices.The tube heater cylinder 401
Bottom is vertically provided with tube heater cylinder fixed screw 410, the rotation of tube heater cylinder fixed screw 410 be equipped with above and below cloth
The crash roll retainer plate 409 and crash roll 411 put.Crash roll retainer plate 409 is close to the bottom of tube heater cylinder 401,
Crash roll 411 is embedded in crash roll retainer plate 409.Positioned at the outside of electric heating tube 406 in the tube heater cylinder 401
Region is provided with the flow channel for liquids of the mouth 403 from the first liquid port 402 to second liquid, and flow channel for liquids can select spiral liquid
Splitter 412 selects parallel separating liquid piece 413.Wherein spiral separating liquid piece 412 is spiral chip architecture, parallel liquid
Multiple horizontal chip architectures that body splitter 413 is arranged for dislocation.
A kind of method of work of the temperature control industrial refrigerating plant of the hydraulic pressure bypass with ball-type relief valve：
Equipment heating source initial operating stage, fluid temperature is less than 35 degrees Celsius, and cooling fan does not start, and tube heater is opened
It is dynamic, oil temperature is warming up between 35 ~ 55 degrees Celsius, then tube heater is closed, after a period of time is run in equipment heating source,
Temperature sensor detects temperature and then starts cooling fan higher than 60 degrees Celsius.
Regulation screw mandrel is adjusted according to the setting pressure of fluid first, so as to be adjusted come the elastic potential energy to spring
Section, pressure release value of the final control fluid in fluid passage；
When hydraulic pressure main road is unobstructed, the pressure of the left and right ends of ball-type relief valve is equal, and spheroid is in low level, and spheroid is motionless
Make；
Embodiment 1, when liquid flows from left to right and hydraulic pressure main road is obstructed, the left end pressure of ball-type relief valve is more than
Right-hand member pressure, the pressure in the fluid passage on the right side of spheroid is more than due to the pressure in the fluid passage on the left of spheroid, and fluid is pushed away
Dynamic spheroid is moved up, and the space for fluid motion is formed on spheroid bottom, and fluid is moved from left to right in fluid passage, so that
The purpose of pressure release is reached, until equal with the pressure on right side on the left of spheroid, spheroid puts in order original position, and hydraulic pressure main road returns unobstructed.
Embodiment 2, when liquid flows from left to right and hydraulic pressure main road is obstructed, the right-hand member pressure of ball-type relief valve is more than
Left end pressure, the pressure in the fluid passage on the left of spheroid is more than due to the pressure in the fluid passage on the right side of spheroid, and fluid is pushed away
Dynamic spheroid is moved up, and the space for fluid motion is formed on spheroid bottom, and fluid is moved from right to left in fluid passage, so that
The purpose of pressure release is reached, until equal with the pressure on right side on the left of spheroid, spheroid puts in order original position, and hydraulic pressure main road returns unobstructed.
The radiator 5 is protecting against shock accumulation of energy radiator, and the radiator 5 includes radiator body and accumulation of energy pipe 500,
The radiator body includes the first collecting tank 501 and the second collecting tank 502 that left and right is vertically arranged, the He of the first collecting tank 501
Be connected with many of lateral arrangement shunting liquid baths 503 between second collecting tank 502, the accumulation of energy pipe 500 be bottom opening remaining
Partially enclosed tubular structure, the bottom opening of accumulation of energy pipe 500 is connected with the first collecting tank 501 and the second collecting tank 502, described
The bottom side of first collecting tank 501 and the second collecting tank 502 is provided with sewage draining exit 504, and sewage draining exit 504 is when not in use using row
Dirty mouth bolt 505 and sewage draining exit sealing gasket 506 are blocked.
Embodiment A,
Built in accumulation of energy pipe, when the inlet and liquid outlet of protecting against shock accumulation of energy radiator are located at the first collecting tank 501 and second
During the top of collecting tank 502, accumulation of energy pipe 500 is installed on the inside of the first collecting tank 501 and the second collecting tank 502.
Embodiment B,
Built in accumulation of energy pipe, when the inlet and liquid outlet of protecting against shock accumulation of energy radiator are located at the first collecting tank 501 and second
During the side of collecting tank 502, accumulation of energy pipe 500 is installed on to the inside of the first collecting tank 501 and the second collecting tank 502, if stored
Height of the height higher than inlet and liquid outlet of energy pipe 500, then need not do other processing, if the height of accumulation of energy pipe 500 is low
In the height of inlet and liquid outlet, then need to install distributing damper 507 additional at the top of accumulation of energy pipe 500, distributing damper 507 will enter
The shunting liquid bath 503 of liquid mouthful and the corresponding height and position of liquid outlet is separated, it is to avoid the direct impact of liquid enters shunting liquid bath
503。
Embodiment C,
Accumulation of energy pipe is external, and the inlet and liquid outlet of protecting against shock accumulation of energy radiator are located at the first collecting tank 501 and the second collection
The top of liquid bath 502.The bottom side of the bottom opening of the accumulation of energy pipe 500 and the first collecting tank 501 and the second collecting tank 502
Connector threaded connection, the top side of the top of the accumulation of energy pipe 500 and the first collecting tank 501 and the second collecting tank 502
Installation side be fixedly connected using bolt, be easy to dismounting.Because the accumulation of energy pipe 500 of protecting against shock accumulation of energy radiator is arranged at the first collection
The outside of the collecting tank 502 of liquid bath 501 and second so that by fluid flow and the difference of impulsive force can select different capabilities, each
Plant different accumulation of energy pipes.
Embodiment D,
Accumulation of energy pipe is external, and the inlet and liquid outlet of protecting against shock accumulation of energy radiator are located at the first collecting tank 501 and the second collection
The side of liquid bath 502.
The method of work of the radiator：
Equipment heating source initial operating stage, fluid temperature is relatively low, and cooling fan does not start, and liquid enters protecting against shock by inlet
In first collecting tank of accumulation of energy radiator, the shunting liquid bath internal resistance of protecting against shock accumulation of energy radiator is smaller under normal circumstances or nothing
Resistance, then liquid be introduced into the first collecting tank, then by shunting liquid bath during radiated, enter back into the second collection
Liquid bath, finally leaves protecting against shock accumulation of energy radiator from liquid outlet；It is larger in the shunting liquid bath internal resistance of protecting against shock accumulation of energy radiator
When, because the pressure in now accumulation of energy pipe is smaller, some liquid is entered in accumulation of energy pipe, as liquid is in accumulation of energy intraluminal fluid
The rise of position, the air in compress energy storage pipe so that the pressure in accumulation of energy pipe is also raised, the pressure in final accumulation of energy pipe reach with
Pressure at inlet is equal, and now the liquid velocity at inlet slows down, and the pressure at inlet also reduces therewith, with entering
Pressure at liquid mouthful reduces, and into the liquid in accumulation of energy pipe because pressure is higher than at inlet, returns into the first collecting tank
It is interior, then radiated during by shunting liquid bath, enter back into the second collecting tank, finally leave protecting against shock from liquid outlet
Accumulation of energy radiator.
Because the motility of air is good, substantially without hysteresis quality, air, which runs into, in protecting against shock accumulation of energy radiator impact
The moment of power, just compress and act immediately, this action is completed in moment, there will not be hysteresis quality as mechanical damping and be used
Fatigue.
Claims (3)
1. a kind of method of work of the temperature control industrial refrigerating plant of the hydraulic pressure bypass with ball-type relief valve, it is characterised in that band ball-type
The temperature control industrial refrigerating plant of the hydraulic pressure bypass of relief valve include on hydraulic oil transfer pipeline, the hydraulic oil transfer pipeline from
Hydraulic oil oil inlet is heated to hydraulic oil transfer pipeline delivery pump, radiator, tubular type is disposed between hydraulic oil oil-out
Device and heat-exchanger rig, the side of radiator are provided with cooling fan, and the coolant outlet of the heat-exchanger rig is between cooling import
Cooling line on be disposed with gas-liquid separator, compressor, condenser, reservoir, device for drying and filtering, cooling line electromagnetism
Valve and throttling arrangement, compressor to the cooling line and throttling arrangement between condenser to the cooling line between heat-exchanger rig
Between be provided with a cooling line by-passing valve；The tube heater includes tube heater cylinder（401）, tube heater
Cylinder（401）On be provided with the first liquid port arranged up and down（402）And second liquid mouthful（403）, electric heating tube（406）'s
Main body is located at tube heater cylinder（401）Inside center, the tube heater cylinder（401）It is interior to be located at electric heating tube
（406）The region in outside is provided with from the first liquid port（402）To second liquid mouthful（403）Flow channel for liquids, radiator two ends
Oil circuit on be arranged in parallel ball-type relief valve, the ball-type relief valve includes housing（801）, the housing（1）Inside it is provided with
The cavity of inverted T-type structure, the cavity includes the fluid passage of lateral arrangement（802）And the regulation passage being vertically arranged
（803）, the regulation passage（803）Dust cap is inside disposed with from top to bottom（804）, sealing sliding block（805）, spring
（806）, ball support block（807）And spheroid（808）, there is a regulation screw mandrel（809）Dust cap is passed through from the top down（804）
And it is connected to sealing sliding block（805）Top, adjust screw mandrel（809）With dust cap（804）Threaded connection, dust cap（804）On
The regulation screw mandrel of side（809）On also rotation be equipped with locking nut（8011）, the sealing sliding block（805）Outward flange with regulation passage
（803）Inwall fit, the spring（806）Upper and lower ends connect sealing sliding block respectively（805）Bottom and spheroid
Support block（807）Top, the spheroid（808）It is fixedly installed in ball support block（807）Bottom, the spheroid（808）
Lower semisection longitudinal cross-section and fluid passage（802）Section coincide, nature lower sphere（808）It is close to fluid passage
（802）Bottom, fluid can not be from fluid passage（802）It is interior carry out laterally across；
In sealing sliding block（805）Outward flange with regulation passage（803）Inwall between be provided with sealing ring（8010）；
The radiator is protecting against shock accumulation of energy radiator, and the radiator includes radiator body and accumulation of energy pipe, the radiating
Device body includes the first collecting tank and the second collecting tank that left and right is vertically arranged, and is connected between the first collecting tank and the second collecting tank
There are many shunting liquid baths of lateral arrangement, the accumulation of energy pipe is the tubular structure that bottom opening remainder is closed, accumulation of energy pipe
Bottom opening is connected with the first collecting tank and the second collecting tank；
When the first, built in accumulation of energy pipe：
When the inlet and liquid outlet of protecting against shock accumulation of energy radiator are located at the top of the first collecting tank and the second collecting tank, it will store
Energy pipe is installed on the inside of the first collecting tank and the second collecting tank；
When the inlet and liquid outlet of protecting against shock accumulation of energy radiator are located at the side of the first collecting tank and the second collecting tank, it will store
Energy pipe is installed on the inside of the first collecting tank and the second collecting tank, if the height of accumulation of energy pipe is higher than inlet and the height of liquid outlet
Degree, then need not do other processing, if the height of accumulation of energy pipe is less than the height of inlet and liquid outlet, at the top of accumulation of energy pipe
Install distributing damper additional, distributing damper separates the shunting liquid bath of inlet and the corresponding height and position of liquid outlet；
2nd, when accumulation of energy pipe is external：
The bottom opening of accumulation of energy pipe is threadedly coupled with the connector of the first collecting tank and the bottom side of the second collecting tank, described to store
The top of energy pipe is fixedly connected with the installation side of the first collecting tank and the top side of the second collecting tank using bolt；
Step 1: connection equipment heating source and industrial refrigerating plant；
The hydraulic oil oil inlet and hydraulic oil oil-out of the hydraulic oil transfer pipeline of industrial refrigerating plant are entered by hydraulic oil respectively
Hydraulic fluid port flexible pipe and the hydraulic oil drain line and hydraulic oil return line in hydraulic oil oil-out flexible pipe connection equipment heating source；
Step 2: after equipment heating source brings into operation, the hydraulic oil of second fluid chamber of fuel reserve tank passes through fuel reserve tank flowline
Hydraulic oil in road supply arrangement electro-heat equipment, equipment heating device drains into first of fuel reserve tank by fuel reserve tank in-line
Fluid chamber, the hydraulic oil of first fluid chamber sequentially passes through hydraulic oil drain line, hydraulic oil oil inlet flexible pipe, hydraulic oil
Transfer pipeline, hydraulic oil oil-out flexible pipe and hydraulic oil return line are back to second fluid chamber of fuel reserve tank；
Equipment heating source initial operating stage, hydraulic fluid temperature is low, and hydraulic oil is direct from hydraulic oil in the flowing of hydraulic oil transfer pipeline
Bypass line is flowed, and hydraulic oil is cooled down without heat-exchanger rig；
The hydraulic fluid temperature that equipment heating plant running can cause it internal for a period of time is also increased, therefore equipment heating is filled
The hydraulic fluid temperature for putting first fluid chamber being expelled in fuel reserve tank is also raised, fuel reserve tank temperature sensor or hydraulic oil
The temperature that transfer pipeline temperature sensor detects hydraulic oil reaches certain high temperature, and hydraulic oil by-passing valve is closed, and hydraulic oil passes through
Heat-exchanger rig is cooled down, and now the cooling line magnetic valve on cooling line starts, and cooling line comes into operation, cooling line
Heat exchange is carried out with the high temperature hydraulic oil in hydraulic oil transfer pipeline at heat-exchanger rig, high temperature hydraulic oil is cooled down, made
It is second hydraulic oil for being back to fuel reserve tank again by hydraulic oil transfer pipeline to obtain the low temperature hydraulic oil cooled down by heat-exchanger rig
Continue supply arrangement electro-heat equipment in room.
2. a kind of work side of the temperature control industrial refrigerating plant of hydraulic pressure bypass with ball-type relief valve according to claim 1
Method, it is characterised in that the fluid passage（802）Left and right ends be provided with connection screw thread.
3. a kind of work side of the temperature control industrial refrigerating plant of hydraulic pressure bypass with ball-type relief valve according to claim 1
Method, it is characterised in that dust cap（804）With regulation passage（803）Top open part threaded connection.
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| CN106604619B (en) * | 2017-01-20 | 2023-05-30 | 广东西江数据科技有限公司 | Gravity-based oil leaching and separating method and oil separating device thereof |
| CN106704310B (en) * | 2017-02-08 | 2019-08-06 | 徐州工程学院 | Double overload protection multi-cavity oil pressure invariable power heating system device and methods in parallel |
| CN107992121A (en) * | 2017-11-28 | 2018-05-04 | 江苏金荣森制冷科技有限公司 | The temperature control industrial constant-temperature device of hydraulic pressure bypass with ball-type relief valve |
| CN108131362A (en) * | 2017-11-28 | 2018-06-08 | 江苏金荣森制冷科技有限公司 | The method of work of the temperature control industrial constant-temperature machine of hydraulic pressure bypass with ball-type relief valve |
| CN108131363A (en) * | 2017-11-28 | 2018-06-08 | 江苏金荣森制冷科技有限公司 | The method of work of the temperature control industrial constant-temperature device of hydraulic pressure bypass with ball-type relief valve |
| CN115507607B (en) * | 2022-08-22 | 2024-04-09 | 中国飞机强度研究所 | Refrigerating control system for aircraft extreme temperature test experiment and control method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2222274Y (en) * | 1995-06-16 | 1996-03-13 | 王丰南 | Sealing pressure-reducing valve specially for accumulator sealing |
| JP2002503315A (en) * | 1995-01-10 | 2002-01-29 | マスコ コーポレーション オブ インディアナ | Pressure equalizer |
| CN101464104A (en) * | 2009-01-12 | 2009-06-24 | 黄晓军 | Board wing type multi-circulating heat exchanger |
| CN101762111A (en) * | 2009-03-23 | 2010-06-30 | 何岳峰 | Combined air-conditioning system |
| CN201866924U (en) * | 2010-11-22 | 2011-06-15 | 重庆欣雨压力容器制造有限责任公司 | Electric heater |
| CN203272916U (en) * | 2013-05-23 | 2013-11-06 | 张进龙 | Bidirectional drainage stopping valve |
| CN103983041A (en) * | 2014-04-15 | 2014-08-13 | 无锡冠亚恒温制冷技术有限公司 | High-heat-discharge-quantity refrigerating and heating temperature control system for reaction kettle |
-
2016
- 2016-06-30 CN CN201610506428.2A patent/CN106151176B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002503315A (en) * | 1995-01-10 | 2002-01-29 | マスコ コーポレーション オブ インディアナ | Pressure equalizer |
| CN2222274Y (en) * | 1995-06-16 | 1996-03-13 | 王丰南 | Sealing pressure-reducing valve specially for accumulator sealing |
| CN101464104A (en) * | 2009-01-12 | 2009-06-24 | 黄晓军 | Board wing type multi-circulating heat exchanger |
| CN101762111A (en) * | 2009-03-23 | 2010-06-30 | 何岳峰 | Combined air-conditioning system |
| CN201866924U (en) * | 2010-11-22 | 2011-06-15 | 重庆欣雨压力容器制造有限责任公司 | Electric heater |
| CN203272916U (en) * | 2013-05-23 | 2013-11-06 | 张进龙 | Bidirectional drainage stopping valve |
| CN103983041A (en) * | 2014-04-15 | 2014-08-13 | 无锡冠亚恒温制冷技术有限公司 | High-heat-discharge-quantity refrigerating and heating temperature control system for reaction kettle |
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