CN105972001A - Industrial refrigeration device for hydraulic bypass with adjustable pressure relief valve - Google Patents
Industrial refrigeration device for hydraulic bypass with adjustable pressure relief valve Download PDFInfo
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- CN105972001A CN105972001A CN201610506700.7A CN201610506700A CN105972001A CN 105972001 A CN105972001 A CN 105972001A CN 201610506700 A CN201610506700 A CN 201610506700A CN 105972001 A CN105972001 A CN 105972001A
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- collecting tank
- accumulation
- radiator
- relief valve
- shell body
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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
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid Mechanics (AREA)
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Abstract
The invention relates to an industrial refrigeration device for a hydraulic bypass with an adjustable pressure relief valve, which comprises a hydraulic oil delivery pipeline, wherein a hydraulic oil delivery pipeline conveying pump, radiators and a heat exchange device are arranged sequentially on the hydraulic oil delivery pipeline from a hydraulic oil inlet to a hydraulic oil outlet; a cooling fan is arranged on one side of each radiator; a gas-liquid separator, a compressor, condensers, a liquid storage device, a dry filter, a cooling pipeline electromagnetic valve, and a throttling device are arranged sequentially on a cooling pipeline between a cooling outlet to a cooling inlet of the heat exchange device; a cooling pipeline bypass valve is arranged between a cooling pipeline I between the compressor and the condenser, and a cooling pipeline II between the throttling device and the heat exchange device; and the adjustable pressure relief valve is connected in parallel with oil paths at both ends of each radiator. The industrial refrigeration device has the advantages of being high in reliability, free from damage, and stable in running.
Description
Technical field
The present invention relates to the industrial refrigerating plant of a kind of hydraulic pressure with adjustable relief valve bypass.
Background technology
It is known that oil temperature in hydraulic system optimum temperature is between 35 ~ 55 degrees Celsius, once temperature increases to over 60 degrees Celsius, the system of hydraulic system will significantly decline, and equipment fault constantly occurs, cause the stability degradation of equipment, it is impossible to ensure that machinery equipment is properly functioning.Season the most in full summer, high oil temperature, even can cause machinery equipment to be usually in stopped status.
Therefore the stability of industrial refrigerating plant directly influences the duty of machinery equipment, when fluid pressure is excessive in traditional industrial refrigerating plant, directly results in heat exchanger that pressure is excessive causes damage to radiator.General radiator is the capacity having a fixed proportion at the collecting tank of radiator, and fluid has the biggest resistance by radiator heat-dissipation channel interior.Its liquid storage amount is less, not buffering, running into the temperature difference is big, low temperature environment, flow uneven, have certain viscosity liquid, under the fluid situations that has impulsive force, the pressure of radiator heat-dissipation channel interior increases the most therewith, especially in the case of having impulsive force and the bigger fluid of ratio of viscosities, owing to fluid is at the resistance of channel interior, make fluid can not run through inside radiator passage, being allowed to pressure increase, exceed the highest operating pressure of radiator, radiator is easy to damage, scrap.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency, it is provided that a kind of reliability is high, is hardly damaged, it is ensured that the industrial refrigerating plant of the bypass of the hydraulic pressure with adjustable relief valve of system stable operation.
The object of the present invention is achieved like this:
A kind of industrial refrigerating plant of the hydraulic pressure bypass with adjustable relief valve, it includes a hydraulic oil transfer pipeline, between hydraulic oil oil-in to hydraulic oil oil-out, hydraulic oil transfer pipeline delivery pump it is disposed with on this hydraulic oil transfer pipeline, radiator and heat-exchanger rig, the side of radiator is provided with cooling fan, the coolant outlet of described heat-exchanger rig is disposed with gas-liquid separator to the cooling line cooled down between import, compressor, condenser, reservoir, device for drying and filtering, cooling line electromagnetic valve and throttling arrangement, compressor to the cooling line between condenser and throttling arrangement to heat-exchanger rig between cooling line between be provided with a cooling line bypass valve.nullAdjustable relief valve it has been arranged in parallel on the oil circuit at radiator two ends，Described adjustable relief valve includes shell body、Inner housing、Piston、Two springs、Two regulating blocks and two adjusting nuts，Described shell body lateral arrangement，The shell body fluid passage of a lateral direction penetrating is formed in described shell body，The middle part of described shell body is provided with Fluid passageways chamber，The internal diameter in Fluid passageways chamber is more than the external diameter of shell body fluid passage，Fluid passageways intracavity is fixedly installed one piece and separates ring flat-plate，Separate ring flat-plate and Fluid passageways chamber is separated to form two Fluid passageways half chambeies, left and right，Left section of described shell body is symmetrically arranged with a nut groove with right section，Described piston is horizontally set at the middle part of shell body fluid passage，Spring is the most from inside to outside set gradually in the shell body fluid passage of the piston left and right sides、Regulating block and inner housing，The outer end of two springs connects the inner of two regulating blocks respectively，In the outer section of two regulating blocks, rotation is equipped with two adjusting nuts respectively，Regulating block and adjusting nut threaded engagement，Adjusting nut is limited in nut groove，Gap is left between inner face and the shell body of regulating block，Gap is left between outer face and the inner housing of regulating block，Described piston is the hollow structure of left and right both ends open，Described piston includes piston shell，The middle part of described piston shell is provided with one piece of dividing plate being vertically arranged，The inside of piston is divided into two the piston fluid passages being in communication with the outside respectively in left and right by dividing plate，It is positioned at and on the piston shell of the dividing plate left and right sides, is provided with the fluid bore being arranged symmetrically with.
Described radiator is protecting against shock accumulation of energy radiator, described radiator includes radiator body and accumulation of energy pipe, described radiator body includes the first collecting tank of being vertically arranged of left and right and the second collecting tank, the many shunting liquid baths having lateral arrangement are connected between first collecting tank and the second collecting tank, described accumulation of energy pipe is the tubular structure that bottom opening remainder is closed, the bottom opening of accumulation of energy pipe and the first collecting tank and the connection of the second collecting tank.
One, when accumulation of energy pipe is built-in:
When the inlet of protecting against shock accumulation of energy radiator and liquid outlet are positioned at the top of the first collecting tank and the second collecting tank, accumulation of energy pipe is installed on the first collecting tank and the inside of the second collecting tank；
When the inlet of protecting against shock accumulation of energy radiator and liquid outlet are positioned at the side of the first collecting tank and the second collecting tank, accumulation of energy pipe is installed on the first collecting tank and the inside of the second collecting tank, if the height of accumulation of energy pipe is higher than inlet and the height of liquid outlet, then without doing other process, if the height of accumulation of energy pipe is less than inlet and the height of liquid outlet, then the top at accumulation of energy pipe installs distributing damper additional, and the shunting liquid bath of corresponding to inlet and liquid outlet height and position is separated by distributing damper；
Two, when accumulation of energy pipe is external:
The connector of the bottom opening of accumulation of energy pipe and the bottom side of the first collecting tank and the second collecting tank is threaded, and the top of described accumulation of energy pipe is fixing with the installation limit employing bolt of the first collecting tank and the top side of the second collecting tank to be connected.
Hollow out at the shell body of adjusting nut front and rear surfaces, the outer surface of adjusting nut is provided with graduation mark.
The internal diameter separating ring flat-plate is consistent with the internal diameter of shell body fluid passage.
The external diameter of spring mates with the internal diameter of shell body fluid passage.
Described fluid bore is circular layout on piston shell.
The fluid bore of the every side of dividing plate is provided with multi-turn.
The fluid bore of high order end is not more than the lateral separation in Fluid passageways half chamber to the lateral separation between the fluid bore of low order end.
Described piston. two ends, left and right be provided with the step coordinated with spring.
It is provided with inner seal ring between inner segment outer wall and the shell body of regulating block, between the outer section inwall inner housing of regulating block, is provided with exterior seal ring.
Compared with prior art, the invention has the beneficial effects as follows:
It is high that the present invention has reliability, is hardly damaged, it is ensured that the advantage of system stable operation.
Accompanying drawing explanation
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 contour structures schematic diagram of adjustable relief valve.
Fig. 4 is the section plan of housing.
Fig. 5 is the section plan of piston.
Fig. 6 is that the plane of adjustable relief valve partly cuts open explosive view.
Fig. 7 is that the solid of adjustable relief valve partly cuts open explosive view.
Fig. 8 is the schematic diagram of embodiment 1.
Fig. 9 is the schematic diagram of embodiment 2.
Figure 10 is the front view of the embodiment one of radiator.
Figure 11 is the side view of the embodiment one of radiator.
Figure 12 is the explosive view of Figure 11.
Figure 13 is the three-dimensional semi-cutaway of the embodiment one of radiator.
Figure 14 is the first collecting tank schematic internal view of the embodiment one of radiator.
Figure 15 is the front view of the embodiment two of radiator.
Figure 16 is the side view of the embodiment two of radiator.
Figure 17 is the explosive view of Figure 16.
Figure 18 is the three-dimensional semi-cutaway of the embodiment two of radiator.
Figure 19 is the first collecting tank schematic internal view of the embodiment two of radiator.
Figure 20 is the front view of the embodiment three of radiator.
Figure 21 is the side view of the embodiment three of radiator.
Figure 22 is the explosive view of Figure 21.
Figure 23 is the three-dimensional semi-cutaway of the embodiment three of radiator.
Figure 24 is the first collecting tank schematic internal view of the embodiment three of radiator.
Figure 25 is the front view of the embodiment four of radiator.
Figure 26 is the side view of the embodiment four of radiator.
Figure 27 is the explosive view of Figure 26.
Figure 28 is the three-dimensional semi-cutaway of the embodiment four of radiator.
Figure 29 is the first collecting tank schematic internal view of the embodiment four of radiator.
Wherein:
Hydraulic oil transfer pipeline 100, hydraulic oil transfer pipeline delivery pump 101, heat-exchanger rig 102, hydraulic oil transfer pipeline temperature sensor 103
Cooling line 200, gas-liquid separator 201, compressor 202, condenser 203, reservoir 204, device for drying and filtering 205, cooling line electromagnetic valve 206, throttling arrangement 207, cooling line bypass valve 208
Hydraulic oil bypass line 300, hydraulic oil bypass valve 301
Radiator 5, accumulation of energy pipe the 500, first collecting tank the 501, 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 701.3, nut groove 701.4, inner housing 702, piston 703, piston shell 703.1, dividing plate 703.2, fluid bore 703.3, step 703.4, piston fluid passage 703.5, spring 704, regulating block 705, adjusting nut 706, connecting bolt 707, inner seal ring 708, exterior seal ring 709
Equipment heating source 900, equipment heating device 901, fuel reserve tank 902, fuel reserve tank in-line 903, hydraulic oil drain line 904, fuel reserve tank outlet line 905, fuel reserve tank oil-way circulation pump 906, hydraulic oil return line 907, fuel reserve tank temperature sensor 908.
Detailed description of the invention
nullSee Fig. 1 ~ Figure 29，The industrial refrigerating plant of a kind of hydraulic pressure bypass with adjustable relief valve that the present invention relates to，It includes a hydraulic oil transfer pipeline 100，Between hydraulic oil oil-in to hydraulic oil oil-out, hydraulic oil transfer pipeline delivery pump 101 it is disposed with on this hydraulic oil transfer pipeline 100、Radiator 5 and heat-exchanger rig 102，The side of radiator 5 is provided with cooling fan，The coolant outlet of described heat-exchanger rig 102 is disposed with gas-liquid separator 201 to the cooling line 200 cooled down between import、Compressor 202、Condenser 203、Reservoir 204、Device for drying and filtering 205、Cooling line electromagnetic valve 206 and throttling arrangement 207，Wherein condenser 203 can be one，Condenser 203 can also be provided with multiple in parallel or in series，It is provided with a cooling line bypass valve 208 between the cooling line 200 between cooling line 200 and throttling arrangement 207 to heat-exchanger rig 102 between compressor 202 to condenser 203.
Hydraulic oil transfer pipeline temperature sensor 103 it is provided with on described hydraulic oil transfer pipeline 100, it is arranged in parallel a hydraulic oil bypass line 300 on the hydraulic oil transfer pipeline 100 at described heat-exchanger rig 102 two ends, described hydraulic oil bypass line 300 has been provided with hydraulic oil bypass valve 301.Hydraulic oil transfer pipeline temperature sensor 103 detects when temperature is relatively low, hydraulic oil bypass valve 301 is opened, hydraulic oil directly flows from hydraulic oil bypass line 300, hydraulic oil transfer pipeline temperature sensor 103 detects when temperature is higher, hydraulic oil bypass valve 301 cuts out, and hydraulic oil does not flows from hydraulic oil bypass line 300.
nullEquipment heating source 900 includes equipment heating device 901 and fuel reserve tank 902，One piece of dividing plate being vertically arranged it is provided with in described reserving liquid tank 902，Dividing plate is respectively two fluid chambers by reserving liquid tank 902，First fluid chamber is provided with oil-in and the oil drain out of fuel reserve tank 902 of fuel reserve tank 902，Second fluid chamber is provided with oil-out and the oil return opening of fuel reserve tank 902 of fuel reserve tank 902，It is provided with filter at the oil drain out of fuel reserve tank 902 and the oil-out of fuel reserve tank 902，It is connected between the oil-out of equipment heating device 901 and the oil-in of fuel reserve tank 902 and has fuel reserve tank in-line 903，The oil drain out of fuel reserve tank 902 draws hydraulic oil drain line 904，It is connected between the oil-in of equipment heating device 901 and the oil-out of fuel reserve tank 902 and has fuel reserve tank outlet line 905，It is provided with fuel reserve tank oil-way circulation pump 906 on fuel reserve tank in-line 903 or fuel reserve tank outlet line 905，The oil return opening of fuel reserve tank 902 draws hydraulic oil return line 907，It is provided with a fuel reserve tank temperature sensor 908 in first fluid chamber of fuel reserve tank 902.
The hydraulic oil oil-in of described hydraulic oil transfer pipeline 100 and hydraulic oil oil-out are respectively by hydraulic oil oil-in flexible pipe and the hydraulic oil drain line 904 in hydraulic oil oil-out hose connection equipment heating source 900 and hydraulic oil return line 907.
A kind of method of work of the industrial refrigerating plant of the hydraulic pressure bypass with adjustable relief valve:
Step one, connection equipment heating source 900 and industrial refrigerating plant；
The hydraulic oil oil-in of the hydraulic oil transfer pipeline 100 of industrial refrigerating plant and hydraulic oil oil-out are respectively by hydraulic oil oil-in flexible pipe and the hydraulic oil drain line 904 in hydraulic oil oil-out hose connection equipment heating source 900 and hydraulic oil return line 907；
After step 2, equipment heating source 900 bring into operation, the hydraulic oil of 902 second fluid chambers of fuel reserve tank is through fuel reserve tank outlet line 905 supply arrangement electro-heat equipment 901, hydraulic oil in equipment heating device 901 drains into first fluid chamber of fuel reserve tank 902 by fuel reserve tank in-line 903, and the hydraulic oil of first fluid chamber sequentially passes through hydraulic oil drain line 904, hydraulic oil oil-in flexible pipe, hydraulic oil transfer pipeline 100, hydraulic oil oil-out flexible pipe and hydraulic oil return line 907 and is back to second fluid chamber of fuel reserve tank 902；
Equipment heating source 900 initial operating stage, hydraulic fluid temperature is low, and hydraulic oil directly flows from hydraulic oil bypass line 300 in the flowing of hydraulic oil transfer pipeline 100, and hydraulic oil cools down without heat-exchanger rig 102；
nullEquipment heating device 901 runs a period of time and its internal hydraulic fluid temperature can be caused also to increase，The hydraulic fluid temperature of first fluid chamber in therefore equipment heating device 901 is expelled to fuel reserve tank 902 also raises，Fuel reserve tank temperature sensor 908 or hydraulic oil transfer pipeline temperature sensor 103 detect that the temperature of hydraulic oil reaches certain high temperature (more than 60 degrees Celsius)，Hydraulic oil bypass valve 301 cuts out，Hydraulic oil cools down through heat-exchanger rig 102，Now the cooling line electromagnetic valve 206 on cooling line 200 starts，Cooling line 200 comes into operation，Cooling line 200 carries out heat exchange with the high-temperature liquid force feed in hydraulic oil transfer pipeline 100 at heat-exchanger rig 102，High-temperature liquid force feed is cooled down，Making the low temperature hydraulic oil cooled down by heat-exchanger rig 102 is that second fluid chamber being again back to fuel reserve tank 902 continues supply arrangement electro-heat equipment 901 through hydraulic oil transfer pipeline 100.
Wherein the operation principle of cooling line 200 is:
After condenser 203, cryogenic high pressure gas liquid mixture is become from compressor 202 high temperature and high pressure gas out, it is then passed through reservoir 204 and carries out gas-liquid separation formation cryogenic high pressure liquid, it is then passed through device for drying and filtering 205 and carries out except water remove impurity, it is then passed through throttling arrangement 207 and forms Low temperature low pressure liquid, Low temperature low pressure liquid forms low-temp low-pressure gas liquid mixture through heat exchange in heat-exchanger rig 102, low-temp low-pressure gas liquid mixture carries out gas-liquid separation through gas-liquid separator 201 and forms low temperature low pressure gas, then low temperature low pressure gas is compressed forming high temperature and high pressure gas through compressor 202 again, the most above-mentioned circulation, thus the hydraulic oil of the hydraulic oil transfer pipeline 100 through heat-exchanger rig 102 is cooled down by cooling line 200.Wherein the effect of the cooling line bypass valve 208 in cooling line 200 is that the pressure in cooling line 200 persistently raises when reaching certain value, and cooling line bypass valve 208 is opened and carried out pressure release and play a protective role cooling line 200；The effect of cooling line electromagnetic valve 206 is when cooling line 200 is inoperative, and the liquid placing cooling line electromagnetic valve 206 front flow in compressor 202 backward so that compressor 202 damages, and plays a protective role.
It is arranged in parallel adjustable relief valve 7 on the oil circuit at radiator 5 two ends, on oil circuit or on reserving liquid tank 2, temperature sensor has been set.
nullDescribed adjustable relief valve 7 includes shell body 701、Inner housing 702、Piston 703、Two springs 704、Two regulating blocks 705 and two adjusting nuts 706，Described shell body 701 lateral arrangement，The shell body fluid passage 701.1 of a lateral direction penetrating is formed in described shell body 701，The middle part of described shell body 701 is provided with Fluid passageways chamber 701.2，The internal diameter in Fluid passageways chamber 701.2 is more than the external diameter of shell body fluid passage 701.1，It is fixedly installed one piece in Fluid passageways chamber 701.2 and separates ring flat-plate 701.3，The internal diameter separating ring flat-plate 701.3 is consistent with the internal diameter of shell body fluid passage 701.1，Separate ring flat-plate 701.3 and Fluid passageways chamber 701.2 is separated to form two Fluid passageways half chambeies, left and right，Left section of described shell body 701 is symmetrically arranged with a nut groove 701.4 with right section.Described piston 703 is horizontally set at the middle part of shell body fluid passage 701.1, the most from inside to outside setting gradually spring 704, regulating block 705 and inner housing 702 in the shell body fluid passage 701.1 of piston 703 left and right sides, the external diameter of spring 704 mates with the internal diameter of shell body fluid passage 701.1.The outer end of two springs 704 connects the inner of two regulating blocks 705 respectively, in the outer section of two regulating blocks 705, rotation is equipped with two adjusting nuts 706 respectively, hollow out at the shell body 701 of adjusting nut 706 front and rear surfaces, the outer surface of adjusting nut 706 is provided with graduation mark, regulating block 705 and adjusting nut 706 threaded engagement, adjusting nut 706 is limited in nut groove 701.4, put adjusting nut 706 by rotation and can regulate the lateral separation of regulating block 705, thus regulate the elastic potential energy of spring 704, the pressure release value in fluid shell fluid passage 701.1 outside can be controlled.Inner housing 702 is fixed by connecting bolt 707 with shell body 701, the outer end inner wall of inner housing 702 is provided with connection screw thread, it is provided with inner seal ring 708 between inner segment outer wall and the shell body 701 of regulating block 705, it is provided with exterior seal ring 709 between the outer section inwall inner housing 702 of regulating block 705, leave gap between inner face and the shell body 701 of regulating block 705, between outer face and the inner housing 702 of regulating block 705, leave gap.
nullDescribed piston 703 is the hollow structure of left and right both ends open，Described piston 703 includes piston shell 703.1，The middle part of described piston shell 703.1 is provided with one piece of dividing plate being vertically arranged 703.2，The inside of piston 703 is divided into two the piston fluid passages 703.5 being in communication with the outside respectively in left and right by dividing plate 703.2，It is positioned at and on the piston shell 703.1 of dividing plate 703.2 left and right sides, is provided with the fluid bore 703.3 being arranged symmetrically with，Described fluid bore 703.3 is circular layout on piston shell 703.1，The fluid bore 703.3 of the every side of dividing plate 703.2 can be provided with multi-turn，Lateral separation between one circle fluid bore 703.3 of one circle fluid bore 703.3 to low order end of high order end is not more than the lateral separation in Fluid passageways half chamber.The two ends, left and right of described piston 703 are provided with the step 703.4 coordinated with spring 704.
The method of work of adjustable relief valve:
First according to the setting pressure of fluid, adjusting nut is adjusted, thus the elastic potential energy of spring is adjusted, the final pressure release value controlled in fluid shell fluid passage outside；
When hydraulic pressure main road is unobstructed, the pressure at the two ends, left and right of adjustable relief valve is equal, and piston is in housing center position, and the partition position of piston is corresponding with the position separating ring flat-plate of housing, and piston does not do action；
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 more than right-hand member pressure, owing to the pressure in the piston fluid passage on the left of dividing plate is more than the pressure in the piston fluid passage on the right side of dividing plate, fluid forces dividing plate moves right, so that piston also moves right, when the fluid bore on the left of dividing plate is positioned at Fluid passageways half intracavity on right side, the fluid that pressure is bigger flows out to Fluid passageways half intracavity on right side in the piston fluid passage in left side by fluid bore, it flow to the most again in the piston fluid passage on right side, thus reach the purpose of pressure release, now the spring in left side is in extended state, the spring on right side is in compressive state, until the pressure on the left of dividing plate and right side is equal, piston is put in order in situ, 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 more than left end pressure, owing to the pressure in the piston fluid passage on the right side of dividing plate is more than the pressure in the piston fluid passage on the left of dividing plate, fluid forces dividing plate is moved to the left, so that piston is also moved to the left, when the fluid bore on the right side of dividing plate is positioned at Fluid passageways half intracavity in left side, the fluid that pressure is bigger flows out to Fluid passageways half intracavity in left side in the piston fluid passage on right side by fluid bore, it flow to the most again in the piston fluid passage in left side, thus reach the purpose of pressure release, now the spring on right side is in extended state, the spring in left side is in compressive state, until the pressure on the left of dividing plate and right side is equal, hydraulic pressure main road returns unobstructed.
Described radiator 5 is protecting against shock accumulation of energy radiator, described radiator 5 includes radiator body and accumulation of energy pipe 500, described radiator body includes the first collecting tank 501 and the second collecting tank 502 that left and right is vertically arranged, the many shunting liquid baths 503 having lateral arrangement are connected between first collecting tank 501 and the second collecting tank 502, the tubular structure that described accumulation of energy pipe 500 is closed for bottom opening remainder, the bottom opening of accumulation of energy pipe 500 and the first collecting tank 501 and the second collecting tank 502 connect, the bottom side of described first collecting tank 501 and the second collecting tank 502 is provided with sewage draining exit 504, sewage draining exit bolt 505 and sewage draining exit sealing gasket 506 is used to block when sewage draining exit 504 does not uses.
Embodiment one,
Accumulation of energy pipe is built-in, and when the inlet of protecting against shock accumulation of energy radiator and liquid outlet are positioned at the top of the first collecting tank 501 and the second collecting tank 502, accumulation of energy pipe 500 is installed on the first collecting tank 501 and inside of the second collecting tank 502.
Embodiment two,
Accumulation of energy pipe is built-in, when the inlet of protecting against shock accumulation of energy radiator and liquid outlet are positioned at the side of the first collecting tank 501 and the second collecting tank 502, accumulation of energy pipe 500 is installed on the first collecting tank 501 and inside of the second collecting tank 502, if the height of accumulation of energy pipe 500 is higher than inlet and the height of liquid outlet, then without doing other process, if the height of accumulation of energy pipe 500 is less than inlet and the height of liquid outlet, then need to install distributing damper 507 additional at the top of accumulation of energy pipe 500, the shunting liquid bath 503 of corresponding to inlet and liquid outlet height and position is separated by distributing damper 507, the directly impact avoiding liquid enters shunting liquid bath 503.
Embodiment three,
Accumulation of energy pipe is external, and the inlet of protecting against shock accumulation of energy radiator and liquid outlet are positioned at the first collecting tank 501 and top of the second collecting tank 502.The connector of the bottom opening of described accumulation of energy pipe 500 and the bottom side of the first collecting tank 501 and the second collecting tank 502 is threaded, the top of described accumulation of energy pipe 500 is fixing with the installation limit employing bolt of the first collecting tank 501 and the top side of the second collecting tank 502 to be connected, it is simple to dismounting.Owing to the accumulation of energy pipe 500 of protecting against shock accumulation of energy radiator is arranged at the first collecting tank 501 and outside of the second collecting tank 502 so that different capabilities, various different accumulation of energy pipe can be selected by fluid flow and the difference of impulsive force.
Embodiment four,
Accumulation of energy pipe is external, and the inlet of protecting against shock accumulation of energy radiator and liquid outlet are positioned at the first collecting tank 501 and side of the second collecting tank 502.
The method of work of protecting against shock accumulation of energy radiator:
Equipment heating source initial operating stage, temperature of liquid is relatively low, cooling fan does not starts, liquid is entered in the first collecting tank of protecting against shock accumulation of energy radiator by inlet, the shunting liquid bath internal resistance of protecting against shock accumulation of energy radiator is less under normal circumstances or non-resistance, then, in liquid is introduced into the first collecting tank, then dispelling the heat during shunting liquid bath, enter back into the second collecting tank, finally leave protecting against shock accumulation of energy radiator from liquid outlet；When the shunting liquid bath internal resistance of protecting against shock accumulation of energy radiator is bigger, owing to the pressure in now accumulation of energy pipe is less, enter in accumulation of energy pipe with regard to some liquid, along with liquid is in the rising of accumulation of energy intraluminal fluid position, air in compress energy storage pipe, pressure in accumulation of energy pipe is also raised, pressure in final accumulation of energy pipe reaches equal with the pressure at inlet, now the liquid velocity at inlet slows down, pressure at inlet reduces the most therewith, along with the pressure at inlet reduces, enter the liquid in accumulation of energy pipe owing to pressure is higher than at inlet, return in the first collecting tank, then dispelling the heat during shunting liquid bath, enter back into the second collecting tank, finally leave protecting against shock accumulation of energy radiator from liquid outlet.
Because the mobility of air is good, substantially not having hysteresis quality, in protecting against shock accumulation of energy radiator, air runs into the moment of impulsive force, the most immediately compression and action, and this action completed in moment, will not have hysteresis quality and use fatigue as mechanical damping.
Claims (10)
1. the industrial refrigerating plant of the hydraulic pressure bypass with adjustable relief valve, it is characterized in that it includes a hydraulic oil transfer pipeline, between hydraulic oil oil-in to hydraulic oil oil-out, hydraulic oil transfer pipeline delivery pump it is disposed with on this hydraulic oil transfer pipeline, radiator and heat-exchanger rig, the side of radiator is provided with cooling fan, the coolant outlet of described heat-exchanger rig is disposed with gas-liquid separator to the cooling line cooled down between import, compressor, condenser, reservoir, device for drying and filtering, cooling line electromagnetic valve and throttling arrangement, compressor to the cooling line between condenser and throttling arrangement to heat-exchanger rig between cooling line between be provided with a cooling line bypass valve；nullAdjustable relief valve it has been arranged in parallel on the oil circuit at radiator two ends，Described adjustable relief valve includes shell body (701)、Inner housing (702)、Piston (703)、Two springs (704)、Two regulating blocks (705) and two adjusting nuts (706)，Described shell body (701) lateral arrangement，The shell body fluid passage (701.1) of a lateral direction penetrating is formed in described shell body (701)，The middle part of described shell body (701) is provided with Fluid passageways chamber (701.2)，The internal diameter in Fluid passageways chamber (701.2) is more than the external diameter of shell body fluid passage (701.1)，It is fixedly installed one piece in Fluid passageways chamber (701.2) and separates ring flat-plate (701.3)，Separate ring flat-plate (701.3) and Fluid passageways chamber (701.2) are separated to form two Fluid passageways half chambeies, left and right，Left section of described shell body (701) is symmetrically arranged with a nut groove (701.4) with right section，Described piston (703) is horizontally set at the middle part of shell body fluid passage (701.1)，Spring (704) is the most from inside to outside set gradually in the shell body fluid passage (701.1) of piston (703) left and right sides、Regulating block (705) and inner housing (702)，The outer end of two springs (704) connects the inner of two regulating blocks (705) respectively，In the outer section of two regulating blocks (705), rotation is equipped with two adjusting nuts (706) respectively，Regulating block (705) and adjusting nut (706) threaded engagement，Adjusting nut (706) is limited in nut groove (701.4)，Gap is left between inner face and the shell body (701) of regulating block (705)，Gap is left between outer face and the inner housing (702) of regulating block (705)，Described piston (703) is the hollow structure of left and right both ends open，Described piston (703) includes piston shell (703.1)，The middle part of described piston shell (703.1) is provided with one piece of dividing plate being vertically arranged (703.2)，The inside of piston (703) is divided into two the piston fluid passages (703.5) being in communication with the outside respectively in left and right by dividing plate (703.2)，It is positioned on the piston shell (703.1) of dividing plate (703.2) left and right sides and is provided with the fluid bore (703.3) being arranged symmetrically with；
Described radiator is protecting against shock accumulation of energy radiator, described radiator includes radiator body and accumulation of energy pipe, described radiator body includes the first collecting tank of being vertically arranged of left and right and the second collecting tank, the many shunting liquid baths having lateral arrangement are connected between first collecting tank and the second collecting tank, described accumulation of energy pipe is the tubular structure that bottom opening remainder is closed, the bottom opening of accumulation of energy pipe and the first collecting tank and the connection of the second collecting tank.
The industrial refrigerating plant of a kind of hydraulic pressure bypass with adjustable relief valve the most according to claim 1, it is characterised in that:
One, when accumulation of energy pipe is built-in:
When the inlet of protecting against shock accumulation of energy radiator and liquid outlet are positioned at the top of the first collecting tank and the second collecting tank, accumulation of energy pipe is installed on the first collecting tank and the inside of the second collecting tank；
When the inlet of protecting against shock accumulation of energy radiator and liquid outlet are positioned at the side of the first collecting tank and the second collecting tank, accumulation of energy pipe is installed on the first collecting tank and the inside of the second collecting tank, if the height of accumulation of energy pipe is higher than inlet and the height of liquid outlet, then without doing other process, if the height of accumulation of energy pipe is less than inlet and the height of liquid outlet, then the top at accumulation of energy pipe installs distributing damper additional, and the shunting liquid bath of corresponding to inlet and liquid outlet height and position is separated by distributing damper；
Two, when accumulation of energy pipe is external:
The connector of the bottom opening of accumulation of energy pipe and the bottom side of the first collecting tank and the second collecting tank is threaded, and the top of described accumulation of energy pipe is fixing with the installation limit employing bolt of the first collecting tank and the top side of the second collecting tank to be connected.
The industrial refrigerating plant of a kind of hydraulic pressure bypass with adjustable relief valve the most according to claim 1, it is characterised in that shell body (701) the place hollow out of adjusting nut (706) front and rear surfaces, the outer surface of adjusting nut (706) is provided with graduation mark.
The industrial refrigerating plant of a kind of hydraulic pressure bypass with adjustable relief valve the most according to claim 1, it is characterised in that the internal diameter separating ring flat-plate (701.3) is consistent with the internal diameter of shell body fluid passage (701.1).
The industrial refrigerating plant of a kind of hydraulic pressure bypass with adjustable relief valve the most according to claim 1, it is characterised in that the external diameter of spring (704) mates with the internal diameter of shell body fluid passage (701.1).
The industrial refrigerating plant of a kind of hydraulic pressure bypass with adjustable relief valve the most according to claim 1, it is characterised in that described fluid bore (703.3) is circular layout on piston shell (703.1).
The industrial refrigerating plant of a kind of hydraulic pressure bypass with adjustable relief valve the most according to claim 1, it is characterised in that the fluid bore (703.3) of the every side of dividing plate (703.2) is provided with multi-turn.
The industrial refrigerating plant of a kind of hydraulic pressure bypass with adjustable relief valve the most according to claim 1, it is characterised in that the lateral separation between the fluid bore (703.3) of the fluid bore (703.3) of high order end to low order end is not more than the lateral separation in Fluid passageways half chamber.
The most according to claim 1 a kind of with adjustable relief valve hydraulic pressure bypass industrial refrigerating plant, it is characterised in that described piston (703). two ends, left and right be provided with the step (703.4) coordinated with spring (704).
The industrial refrigerating plant of a kind of hydraulic pressure bypass with adjustable relief valve the most according to claim 1, it is characterized in that being provided with between the inner segment outer wall of regulating block (705) and shell body (701) inner seal ring (708), between outer section inwall inner housing (702) of regulating block (705), be provided with exterior seal ring (709).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610506700.7A CN105972001B (en) | 2016-06-30 | 2016-06-30 | The industrial refrigerating plant of hydraulic pressure bypass with adjustable relief valve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610506700.7A CN105972001B (en) | 2016-06-30 | 2016-06-30 | The industrial refrigerating plant of hydraulic pressure bypass with adjustable relief valve |
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| CN105972001A true CN105972001A (en) | 2016-09-28 |
| CN105972001B CN105972001B (en) | 2017-10-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108119437A (en) * | 2017-11-28 | 2018-06-05 | 江苏金荣森制冷科技有限公司 | The industrial constant-temperature device of hydraulic pressure bypass with adjustable relief valve |
| CN108131357A (en) * | 2017-11-28 | 2018-06-08 | 江苏金荣森制冷科技有限公司 | The tubing type industrial constant-temperature machine of hydraulic pressure bypass with adjustable relief valve |
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| GB746441A (en) * | 1954-05-03 | 1956-03-14 | Howard Andrew Droitcour | Relief valve |
| US4033375A (en) * | 1976-05-07 | 1977-07-05 | J. I. Case Company | Two-way fluid pressure relief valve |
| DE3916260A1 (en) * | 1989-05-19 | 1990-11-22 | Voss Richard Grubenausbau | Small pressure restricting valve with high rate of flow - has tubular sleeve forming valve piston containing interconnecting throttle bore |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108119437A (en) * | 2017-11-28 | 2018-06-05 | 江苏金荣森制冷科技有限公司 | The industrial constant-temperature device of hydraulic pressure bypass with adjustable relief valve |
| CN108131357A (en) * | 2017-11-28 | 2018-06-08 | 江苏金荣森制冷科技有限公司 | The tubing type industrial constant-temperature machine of hydraulic pressure bypass with adjustable relief valve |
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|---|---|
| CN105972001B (en) | 2017-10-27 |
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