CN106015195B - Temperature control industrial refrigerating plant with the bypass of adjustable relief valve hydraulic pressure - Google Patents
Temperature control industrial refrigerating plant with the bypass of adjustable relief valve hydraulic pressure Download PDFInfo
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- CN106015195B CN106015195B CN201610510343.1A CN201610510343A CN106015195B CN 106015195 B CN106015195 B CN 106015195B CN 201610510343 A CN201610510343 A CN 201610510343A CN 106015195 B CN106015195 B CN 106015195B
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- Prior art keywords
- collecting tank
- piston
- shell body
- hydraulic oil
- relief valve
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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
Abstract
A kind of temperature control industrial refrigerating plant of the adjustable relief valve hydraulic pressure bypass of band of the present invention, it 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 between condenser and throttling arrangement to being provided with a cooling line by-passing valve between the cooling line between heat-exchanger rig；Adjustable relief valve has been arranged in parallel on the oil circuit at radiator both ends.The present invention has reliability high, is hardly damaged, the advantages of ensureing system stable operation.
Description
Technical field
The present invention relates to a kind of temperature control industrial refrigerating plant of the adjustable relief valve hydraulic pressure bypass of band.
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, can not ensure machinery equipment normal operation.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 that pressure in heat exchanger is excessive to be caused to damage to radiator.In 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, run into 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 bigger 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 an object of the invention to overcome above-mentioned deficiency, there is provided a kind of reliability is high, is hardly damaged, and ensures that system is stable and transports
The temperature control industrial refrigerating plant of the adjustable relief valve hydraulic pressure bypass of capable band.
The object of the present invention is achieved like this：
A kind of temperature control industrial refrigerating plant of the adjustable relief valve hydraulic pressure bypass of band, it includes a hydraulic oil delivery pipe
Road, from hydraulic oil oil inlet to being disposed with hydraulic oil transfer pipeline between hydraulic oil oil-out on the hydraulic oil transfer pipeline
Delivery pump, radiator, tube heater and heat-exchanger rig, the side of radiator are provided with cooling fan, the heat-exchanger rig
Coolant outlet to cool down import between cooling line on be disposed with gas-liquid separator, compressor, condenser, reservoir,
Device for drying and filtering, cooling line magnetic valve and throttling arrangement, compressor 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.The tube heater adds including tubular type
Hot device cylinder, the first liquid port and second liquid mouth arranged up and down are provided with tube heater cylinder, electric heating tube
Main body is located at tube heater inner barrel center, and the region on the outside of electric heating tube is located in the tube heater cylinder and is set
There is the flow channel for liquids from the first liquid port to second liquid mouth, adjustable pressure release has been arranged in parallel on the oil circuit at radiator both ends
Valve, the adjustable relief valve include shell body, inner housing, piston, two springs, two regulating blocks and two regulation spiral shells
Mother, the shell body lateral arrangement, the interior shell body fluid passage for forming a lateral direction penetrating of the shell body, the shell body
Middle part be provided with Fluid passageways chamber, the internal diameter of Fluid passageways chamber is more than the external diameter of shell body fluid passage, Fluid passageways intracavitary
One piece of separation ring flat-plate is fixedly installed, separates ring flat-plate and Fluid passageways chamber is separated to form two chambers of Fluid passageways half in left and right, it is described
Left section and right section of shell body is symmetrically arranged with a nut groove, and the piston is horizontally set in shell body fluid passage
Portion, sets gradually spring, regulating block and inner housing in the shell body fluid passage at left and right sides of piston from inside to outside respectively, and two
The outer end of individual spring connects the inner of two regulating blocks respectively, is revolved respectively in the outer section of two regulating blocks and is equipped with two regulation spiral shells
Mother, regulating block coordinate with adjusting nut screw thread, and adjusting nut is limited in nut groove, between the inner face and shell body of regulating block
Gap is left, gap is left between the outer face of regulating block and inner housing, the piston is the hollow structure of left and right ends opening,
The piston includes piston shell, is provided with one piece of dividing plate being vertically arranged in the middle part of the piston shell, and dividing plate is by piston
Inside is divided into the two piston fluid passages being in communication with the outside respectively in left and right, is set on the piston shell at left and right sides of dividing plate
It is equipped with the fluid bore being arranged symmetrically.
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
It is connected with more shunting liquid baths of lateral arrangement, the tubular structure that the accumulation of energy pipe is closed for bottom opening remainder, accumulation of energy
The bottom opening of pipe connects 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,
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.
The outer end inner wall of inner housing is provided with connection screw thread.
Hollow out at the shell body of adjusting nut front and rear surfaces, the outer surface of adjusting nut are provided with graduation mark.
The internal diameter for separating ring flat-plate is consistent with the internal diameter of shell body fluid passage.
The external diameter of spring matches with the internal diameter of shell body fluid passage.
The fluid bore is circular layout on piston shell.
Fluid bore of the dividing plate per side is provided with multi-turn.
The fluid bore of high order end is not more than the transverse direction of the chamber of Fluid passageways half to the lateral separation between the fluid bore of low order end
Distance.
The left and right ends of the piston are provided with the step coordinated with spring.
Inner seal ring is provided between the inner segment outer wall and shell body of regulating block, between the outer section inwall inner housing of regulating block
It is provided with exterior seal ring.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention has reliability high, is hardly damaged, the advantages of ensureing system stable operation.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the internal structure schematic diagram of adjustable relief valve.
Fig. 3 is the outline structural diagram of adjustable relief valve.
Fig. 4 is the section plan of housing.
Fig. 5 is the section plan of piston.
Fig. 6 is the half-sectional explosive view of plane of adjustable relief valve.
Fig. 7 is the three-dimensional half-sectional explosive view of adjustable relief valve.
Fig. 8 is the schematic diagram of embodiment 1.
Fig. 9 is the schematic diagram of embodiment 2.
Figure 10 is the structural representation of tube heater.
Figure 11 is Figure 10 explosive view.
Figure 12 is the tube heater sectional view that flow channel for liquids selects spiral separating liquid piece.
Figure 13 is liquid flow graph of the flow channel for liquids from the tube heater of spiral separating liquid piece.
Figure 14 is the tube heater sectional view that flow channel for liquids selects parallel separating liquid piece.
Figure 15 is liquid flow graph of the flow channel for liquids from the tube heater of parallel separating liquid piece.
Figure 16 is the embodiment A of radiator front view.
Figure 17 is the embodiment A of radiator side view.
Figure 18 is Figure 17 explosive view.
Figure 19 is the embodiment A of radiator three-dimensional semi-cutaway.
Figure 20 is the embodiment A of radiator the first collecting tank schematic internal view.
Figure 21 is the embodiment B of radiator front view.
Figure 22 is the embodiment B of radiator side view.
Figure 23 is Figure 22 explosive view.
Figure 24 is the embodiment B of radiator three-dimensional semi-cutaway.
Figure 25 is the embodiment B of radiator the first collecting tank schematic internal view.
Figure 26 is the embodiment C of radiator front view.
Figure 27 is the embodiment C of radiator side view.
Figure 28 is Figure 27 explosive view.
Figure 29 is the embodiment C of radiator three-dimensional semi-cutaway.
Figure 30 is the embodiment C of radiator the first collecting tank schematic internal view.
Figure 31 is the embodiment D of radiator front view.
Figure 32 is the embodiment D of radiator side view.
Figure 33 is Figure 32 explosive view.
Figure 34 is the embodiment D of radiator three-dimensional semi-cutaway.
Figure 35 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 mouth 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
Adjustable relief valve 7, shell body 701, shell body fluid passage 701.1, Fluid passageways chamber 701.2, separation ring flat-plate
701.3rd, nut groove 701.4, inner housing 702, piston 703, piston shell 703.1, dividing plate 703.2, fluid bore 703.3, step
703.4th, piston fluid passage 703.5, spring 704, regulating block 705, adjusting nut 706, connecting bolt 707, inner seal ring
708th, exterior seal ring 709
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 pass
Sensor 908.
Embodiment
Referring to Fig. 1 ~ Figure 35, a kind of temperature control industrial refrigeration dress of the adjustable relief valve hydraulic pressure bypass of band of the present invention
Put, it includes a hydraulic oil transfer pipeline 100, goes out on the hydraulic oil transfer pipeline 100 from hydraulic oil oil inlet to hydraulic oil
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 between condenser 203 and throttling arrangement 207 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 both ends
Hydraulic oil by-passing valve 301 is provided with road 300.When hydraulic oil transfer pipeline temperature sensor 103 detects that temperature is relatively low, 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
When detecting that temperature is higher, 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 equipment heating device 901 and fuel reserve tank 902, and one is provided with 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
There is fuel reserve tank outlet line 905, fuel reserve tank oil circuit is provided with 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 draw hydraulic oil return line 907, in 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 connects the hydraulic oil drain line 904 and hydraulic oil return line in equipment heating source 900 with hydraulic oil oil-out flexible pipe
907。
A kind of method of work of the temperature control industrial refrigerating plant of the adjustable relief valve hydraulic pressure bypass of band：
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
Force feed oil inlet flexible pipe connects the hydraulic oil drain line 904 and hydraulic oil in equipment heating source 900 with hydraulic oil oil-out flexible pipe
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
The supply arrangement electro-heat equipment 901 of fuel tank outlet line 905, the hydraulic oil in equipment heating device 901 pass 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 passes through hydraulic oil oil exit pipe successively
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 also increases, therefore sets
The hydraulic fluid temperature for first fluid chamber that preparation thermal 901 is expelled in fuel reserve tank 902 also raises, and fuel reserve tank temperature passes
Sensor 908 or hydraulic oil transfer pipeline temperature sensor 103 detect that the temperature of 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 to be back to second fluid chamber of fuel reserve tank 902 again to continue to 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 is carried out by reservoir 204 afterwards and form cryogenic high pressure liquid, then carry out water removal by device for drying and filtering 205 and remove
It is miscellaneous, low temperature and low pressure liquid then is formed by 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 low temperature low pressure gas be compressed to form high temperature and high pressure gas by compressor 202 again, it is reciprocal above-mentioned to follow
Ring, so as to which cooling line 200 cools down to the hydraulic oil of the hydraulic oil transfer pipeline 100 by heat-exchanger rig 102.It is wherein cold
But the effect of the cooling line by-passing valve 208 in pipeline 200 is that pressure in cooling line 200 persistently 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 when cooling line 200 is inoperative, and the liquid for placing the front of cooling line magnetic valve 206 flow to compressor 202 backward
It is interior so that compressor 202 damages, and plays a protective role.
Adjustable relief valve 7 has been arranged in parallel on the oil circuit at the both ends of radiator 5.
The adjustable relief valve 7 includes shell body 701, inner housing 702, the regulation of 703, two, piston, 704, two, spring
Block 705 and two adjusting nuts 706, the lateral arrangement of shell body 701, one transverse direction of the interior formation of the shell body 701 are passed through
Logical shell body fluid passage 701.1, the middle part of the shell body 701 are provided with Fluid passageways chamber 701.2, Fluid passageways chamber
701.2 internal diameter is more than the external diameter of shell body fluid passage 701.1, and one piece of separation is fixedly installed in Fluid passageways chamber 701.2
Ring flat-plate 701.3, the internal diameter of separation ring flat-plate 701.3 is consistent with the internal diameter of shell body fluid passage 701.1, and separating ring flat-plate 701.3 will
Fluid passageways chamber 701.2 is separated to form two chambers of Fluid passageways half in left and right, and left section and right section of the shell body 701 is symmetrical arranged
There is a nut groove 701.4.The piston 703 is horizontally set at the middle part of shell body fluid passage 701.1, piston 703 or so
Set gradually spring 704, regulating block 705 and inner housing in the shell body fluid passage 701.1 of both sides from inside to outside respectively
702, the external diameter of spring 704 matches with the internal diameter of shell body fluid passage 701.1.The outer end of two springs 704 connects two respectively
The inner of individual regulating block 705, rotation is equipped with two adjusting nuts 706, adjusting nut 706 respectively in the outer section of two regulating blocks 705
Hollow out at the shell body 701 of front and rear surfaces, the outer surface of adjusting nut 706 are provided with graduation mark, regulating block 705 and adjusting nut
706 screw threads coordinate, and adjusting nut 706 is limited in nut groove 701.4, and regulating block can be adjusted by putting adjusting nut 706 by rotation
705 lateral separation, so as to adjust the elastic potential energy of spring 704, fluid can be controlled in outer shell fluid passage 701.1
Pressure release value.Inner housing 702 is fixed with shell body 701 by connecting bolt 707, and the outer end inner wall of inner housing 702 is provided with connection
Screw thread, inner seal ring 708, the outer section inwall of regulating block 705 are provided between the inner segment outer wall and shell body 701 of regulating block 705
Exterior seal ring 709 is provided between inner housing 702, gap is left between the inner face and shell body 701 of regulating block 705, is adjusted
Gap is left between the outer face of block 705 and inner housing 702.
The piston 703 is the hollow structure of left and right ends opening, and the piston 703 includes piston shell 703.1, described
The middle part of piston shell 703.1 is provided with one piece of dividing plate being vertically arranged 703.2, dividing plate 703.2 by the inside points of piston 703 every
For the piston fluid passage 703.5 being in communication with the outside respectively of left and right two, the piston shell positioned at the left and right sides of dividing plate 703.2
It is provided with the fluid bore 703.3 being arranged symmetrically on 703.1, the fluid bore 703.3 is circular layout on piston shell 703.1,
Fluid bore 703.3 of the dividing plate 703.2 per side can be provided with multi-turn, and the one of high order end encloses fluid bore 703.3 to low order end
Lateral separation between one circle fluid bore 703.3 is not more than the lateral separation of the chamber of Fluid passageways half.The left and right two of the piston 703
End is provided with the step 703.4 coordinated with spring 704.
The tube heater 4 includes tube heater cylinder 401, and cloth up and down is provided with tube heater cylinder 401
The first liquid port 402 and second liquid mouth 403 put, first liquid port 402 and second liquid mouth 403 heat in tubular type
It is diagonally arranged on device cylinder 401, first liquid port 402 and second liquid mouth 403 one of them be that inlet one is
Liquid mouth, and can be with unrestricted choice.The top of tube heater cylinder 401 is provided with lower flange 404, on the lower flange 404
Side is provided with upper flange 405, and lower flange 404 and upper flange 405 are screwed connection, be installed with upper flange 405
More electric heating tubes 406, the main body of electric heating tube 406 are 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, installation screw socket 408 is 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, and the rotation of tube heater cylinder fixed screw 410 is equipped with cloth up and down
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 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 from the first liquid port 402 to second liquid mouth 403, 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 hydraulic system of the hydraulic pressure bypass of the adjustable relief valve of band：
Equipment heating source initial operating stage, fluid temperature are less than 35 degrees Celsius, and cooling fan does not start, and tube heater opens
Dynamic, between oil temperature is warming up into 35 ~ 55 degrees Celsius, then tube heater is closed, after a period of time is run in equipment heating source,
Temperature sensor detects that temperature then starts cooling fan higher than 60 degrees Celsius.
First adjusting nut is adjusted according to the setting pressure of fluid, so as to be adjusted to the elastic potential energy of spring
Section, the final pressure release value for controlling fluid in outer shell fluid passage；
When hydraulic pressure main road is unobstructed, the pressure of the left and right ends of adjustable relief valve is equal, and piston is in housing center
The position correspondence of position, the partition position of piston and the separation ring flat-plate of housing, piston do not act；
Embodiment 1, when liquid flows from left to right and hydraulic pressure main road is obstructed, the left end pressure of adjustable relief valve is big
In right-hand member pressure, the pressure being more than due to the pressure in the piston fluid passage on the left of dividing plate in the piston fluid passage on the right side of dividing plate
Power, fluid forces dividing plate moves right, so that piston also moves right, the fluid bore on the left of dividing plate is located at the one of right side
During individual half intracavitary of Fluid passageways, the larger fluid of pressure flows out to right side out of left side piston fluid passage by fluid bore
One intracavitary of Fluid passageways half, then flow to again right side piston fluid passage in, so as to reach the purpose of pressure release, now left side
Spring be in extended state, the spring on right side is in compressive state, until dividing plate on the left of it is equal with the pressure on right side, piston is returned
Original position is put, 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 adjustable relief valve is big
In left end pressure, the pressure being more than due to the pressure in the piston fluid passage on the right side of dividing plate in the piston fluid passage on the left of dividing plate
Power, fluid forces dividing plate is moved to the left, so that piston is also moved to the left, the fluid bore on the right side of dividing plate is located at the one of left side
During individual half intracavitary of Fluid passageways, the larger fluid of pressure flows out to left side out of right side piston fluid passage by fluid bore
One intracavitary of Fluid passageways half, then flow to again left side piston fluid passage in, so as to reach the purpose of pressure release, now right side
Spring be in extended state, the spring in left side is in compressive state, until dividing plate on the left of, Hydraulic Main equal with the pressure on right side
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 more 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 connects 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
The height of energy pipe 500 need not then do other processing, if the height of accumulation of energy pipe 500 is low higher than the height of inlet and liquid outlet
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 mouth and the corresponding height and position of liquid outlet separates, and avoids the direct impact of liquid from entering 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 positioned at the first collecting tank 501 and the second collection
The top of liquid bath 502.The bottom opening of the accumulation of energy pipe 500 and the bottom side of 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 dismount.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 different capabilities, each can be selected by fluid flow and the difference of impulsive force
The different accumulation of energy pipe of kind.
Embodiment D,
Accumulation of energy pipe is external, and the inlet and liquid outlet of protecting against shock accumulation of energy radiator are positioned 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 through shunting liquid bath during radiated, enter back into the second collection
Liquid bath, finally leave 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 now in 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 also raises, 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 mouth 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, will not there is hysteresis quality and use as mechanical damping
Fatigue.
Claims (8)
1. a kind of temperature control industrial refrigerating plant of the adjustable relief valve hydraulic pressure bypass of band, it is characterised in that it includes a hydraulic oil
Transfer pipeline, it is defeated from hydraulic oil oil inlet to hydraulic oil is disposed between hydraulic oil oil-out on the hydraulic oil transfer pipeline
Pipeline transport pump, radiator, tube heater and heat-exchanger rig are sent, the side of radiator is provided with cooling fan, the heat exchange
Gas-liquid separator, compressor, condenser, storage are disposed with the coolant outlet of device to the cooling line cooled down between import
Liquid device, device for drying and filtering, cooling line magnetic valve and throttling arrangement, compressor to the cooling line between condenser and throttling
Device is to being provided with a cooling line by-passing valve between the cooling line between heat-exchanger rig；The tube heater includes pipe
Formula heater cylinder（401）, tube heater cylinder（401）On be provided with the first liquid port arranged up and down（402）And the
Two liquid ports（403）, electric heating tube（406）Main body be located at tube heater cylinder（401）Inside center, the tubular type heating
Device 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 mouth
（403）Flow channel for liquids, be arranged in parallel adjustable relief valve on the oil circuit at radiator both ends, the adjustable relief valve includes
Shell body（701）, inner housing（702）, piston（703）, two springs（704）, two regulating blocks（705）And two regulation spiral shells
It is female（706）, the shell body（701）Lateral arrangement, the shell body（701）The interior shell body fluid for forming a lateral direction penetrating
Passage（701.1）, the shell body（701）Middle part be provided with Fluid passageways chamber（701.2）, Fluid passageways chamber（701.2）'s
Internal diameter is more than shell body fluid passage（701.1）External diameter, Fluid passageways chamber（701.2）Inside it is fixedly installed one piece of separation ring flat-plate
（701.3）, separate ring flat-plate（701.3）By Fluid passageways chamber（701.2）Two chambers of Fluid passageways half in left and right are separated to form, it is described outer
Housing（701）Left section and right section be symmetrically arranged with a nut groove（701.4）, the piston（703）It is horizontally set at shell
Body fluid passage（701.1）Middle part, piston（703）The shell body fluid passage of the left and right sides（701.1）Inside respectively from introversion
Set gradually spring outside（704）, regulating block（705）And inner housing（702）, two springs（704）Outer end connect two respectively
Individual regulating block（705）The inner, two regulating blocks（705）Outer section on respectively rotation be equipped with two adjusting nuts（706）, regulating block
（705）With adjusting nut（706）Screw thread coordinates, adjusting nut（706）It is limited in nut groove（701.4）It is interior, regulating block（705）'s
Inner face and shell body（701）Between leave gap, regulating block（705）Outer face and inner housing（702）Between leave gap,
The piston（703）For the hollow structure of left and right ends opening, the piston（703）Including piston shell（703.1）, the work
Fill in housing（703.1）Middle part be provided with one piece of dividing plate being vertically arranged（703.2）, dividing plate（703.2）By piston（703）It is interior
Part is divided into the two piston fluid passages being in communication with the outside respectively in left and right（703.5）, positioned at dividing plate（703.2）The left and right sides
Piston shell（703.1）On be provided with the fluid bore being arranged symmetrically（703.3）；
Adjusting nut（706）The shell body of front and rear surfaces（701）Locate hollow out, adjusting nut（706）Outer surface be provided with scale
Line；
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, 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, 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, the storage
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.
2. a kind of temperature control industrial refrigerating plant of the adjustable relief valve hydraulic pressure bypass of band according to claim 1, its feature
It is to separate ring flat-plate（701.3）Internal diameter and shell body fluid passage（701.1）Internal diameter it is consistent.
3. a kind of temperature control industrial refrigerating plant of the adjustable relief valve hydraulic pressure bypass of band according to claim 1, its feature
It is spring（704）External diameter and shell body fluid passage（701.1）Internal diameter matching.
4. a kind of temperature control industrial refrigerating plant of the adjustable relief valve hydraulic pressure bypass of band according to claim 1, its feature
It is the fluid bore（703.3）It is circular layout in piston shell（703.1）On.
5. a kind of temperature control industrial refrigerating plant of the adjustable relief valve hydraulic pressure bypass of band according to claim 1, its feature
It is dividing plate（703.2）Fluid bore per side（703.3）It is provided with multi-turn.
6. a kind of temperature control industrial refrigerating plant of the adjustable relief valve hydraulic pressure bypass of band according to claim 1, its feature
It is the fluid bore of high order end（703.3）To the fluid bore of low order end（703.3）Between lateral separation be not more than Fluid passageways
The lateral separation of half chamber.
7. a kind of temperature control industrial refrigerating plant of the adjustable relief valve hydraulic pressure bypass of band according to claim 1, its feature
It is the piston（703）Left and right ends be provided with and spring（704）The step of cooperation（703.4）.
8. a kind of temperature control industrial refrigerating plant of the adjustable relief valve hydraulic pressure bypass of band according to claim 1, its feature
It is regulating block（705）Inner segment outer wall and shell body（701）Between be provided with inner seal ring（708）, regulating block（705）It is outer
Section inwall inner housing（702）Between be provided with exterior seal ring（709）.
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| 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 |
| CN110462547B (en) * | 2017-02-23 | 2023-05-30 | 福马有限公司 | Flow regulator |
| CN108167275A (en) * | 2017-11-28 | 2018-06-15 | 江苏金荣森制冷科技有限公司 | Temperature control industrial constant-temperature device with adjustable relief valve hydraulic pressure bypass |
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