CN208474066U - Hydrogenation stations hydraulic piston type hydrogen gas compressor - Google Patents
Hydrogenation stations hydraulic piston type hydrogen gas compressor Download PDFInfo
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- CN208474066U CN208474066U CN201821074991.8U CN201821074991U CN208474066U CN 208474066 U CN208474066 U CN 208474066U CN 201821074991 U CN201821074991 U CN 201821074991U CN 208474066 U CN208474066 U CN 208474066U
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Abstract
The utility model provides a kind of hydrogenation stations hydraulic piston type hydrogen gas compressor, it includes hydrogen compression cylinder, drive the hydraulic system of hydrogen compression cylinder movement, it is characterised in that: the hydrogen compression cylinder includes the cylinder I being sequentially connected, separate cavities I, hydraulic cylinder, separate cavities II and the cylinder II of horizontal distribution.The piston in the piston and cylinder II in piston, hydraulic cylinder in cylinder I is linked together by piston rod, becomes an entirety, linkage.Hydrogen in air accumulator enters in cylinder I through the air inlet of cylinder I；The piston of cylinder I moves under Driven by Hydraulic Cylinder, and the hydrogen in compression cylinder I, compressed hydrogen enters in cylinder II；The piston motion of Driven by Hydraulic Cylinder cylinder II, the hydrogen in second-compressed cylinder II form high pressure hydrogen, the gas outlet discharge through cylinder II；It and so on moves, the hydrogen in air accumulator is after the compression of cylinder I, discharge, into cylinder II, forms high pressure hydrogen discharge through II second-compressed of cylinder.
Description
Technical field
The utility model relates to a kind of hydrogen gas compressor, the hydraulic piston type hydrogen gas compressor of espespecially a kind of hydrogenation stations.
Background technique
Hydrogen Energy refers to that hydrogen and oxygen carry out the chemical energy that chemical reaction releases, and is a kind of clean secondary energy sources, has energy
Metric density is big, combustion heat value is high, source is wide, can store, is renewable, can the advantages that electricity is flammable, no pollution, zero carbon row, facilitate
The problems such as solving energy crisis and environmental pollution, is known as " ultimate energy " of 21 century.According to "<made in China 2025>weight
Point field Technology Roadmap ", new-energy automobile development priority product includes fuel cell car, it is clear with city private car,
Based on the batch application of public service vehicle, the popularization and application of fuel cell technology are realized.What fuel cell technology is not
Fresh-core technique, basic principle is just being had found by scientist at the end of the 19th century, and it is applied on vehicle be then upper
The end of the sixties in century.At that time, the performance and manufacturing cost of fuel cell car all can not be with the vapour of carrying petrol engine at that time
Vehicle compares favourably.But continuously improving with fuel cell technology, in addition car manufactures are in fuel cell car research and development
Constantly investment, fuel cell car have obtained development at full speed！
Fuel cell car needs to fill high pressure hydrogen in hydrogenation stations, and hydrogen is fired as a kind of clean energy resource by burning
Chemical energy is converted electric energy by material battery, and then drives fuel cell car.
Hydrogenation stations are for hydrogen energy fuel battery car or Hydrogen Energy internal-combustion engines vehicle or hydrogen gas natural gas mixed fuel automobile etc.
Hydrogen storage bottle fill the special field of hydrogen fuel, hydrogen gas compressor is the core equipment of hydrogenation stations.For guarantee hydrogen purity and
Compression ratio, the hydrogen gas compressor that country's hydrogenation stations use now is metallic membrane diaphragm type compressor.Metallic membrane membrane compresses
Machine is a kind of mechanical piston formula compressor, it pushes hydraulic oil by piston, and then metallic membrane is driven to make in the cylinder back and forth
Movement is to compress and convey hydrogen.Structure is complicated for this metallic membrane diaphragm type compressor, and diaphragm service life is low, cover board it is vaulted
Surface is special type face, processing difficulties, manufacturing price height.
Utility model content
In view of the foregoing, simple, easy to maintenance, service life that the purpose of the utility model is to provide a kind of processing and fabricatings
Long hydrogenation stations hydraulic piston type hydrogen gas compressor.
To achieve the above object, the utility model uses a kind of following technical scheme: hydrogenation stations hydraulic piston type hydrogen
Compressor, it includes pedestal, hydraulic system, hydrogen compression cylinder and the gas heat-exchange system being set on the base, and hydraulic system is driven
The intracorporal hydrogen of piston back-and-forth movement compression cylinder in dynamic hydrogen compression cylinder, it is characterised in that:
The hydrogen compression cylinder is made of the cylinder I of horizontal distribution, separate cavities I, hydraulic cylinder, separate cavities II and cylinder II；
Cylinder I and cylinder II are located at the two sides of hydraulic cylinder, and cylinder I is connected by separate cavities I with hydraulic cylinder, and cylinder II passes through separate cavities II
It is connected with hydraulic cylinder；
Be provided with piston in the cylinder I, which divides cylinder I for compression air cavity and nitrogen chamber, nitrogen chamber be isolated
Chamber I is adjacent；
Be also equipped with piston in the cylinder II, the piston by cylinder II divide for nitrogen chamber and compression air cavity, nitrogen chamber with
Separate cavities II are adjacent；The compression air cavity is compression hydrogen chamber, and the nitrogen is intracavitary filled with nitrogen, is used for air-isolation and hydrogen
Gas；
Piston in the cylinder I, the piston in hydraulic cylinder and the piston in cylinder II by through the cylinder I, every
Piston rod from chamber I, hydraulic cylinder, separate cavities II and cylinder II links together, and becomes an entirety, linkage；
The hydraulic system drives the reciprocating motion of the pistons in the hydraulic cylinder, and the piston in hydraulic cylinder passes through the piston
Bar drives the reciprocating motion of the pistons in piston and cylinder II in cylinder I, and hydrogen is through the cylinder I and the compression output of cylinder II.
Preferably, the cavity length of the separate cavities I and separate cavities II is at least more than 0.34 meter of the hydraulic cylinder travel.
Preferably, lower outlet is equipped in the lower part of the separate cavities I and separate cavities II and connects hydraulic oil tank, and liquid spy is installed
Survey device；It is equipped with upper outlet on the top of the separate cavities I and separate cavities II, is connected to atmosphere.
Preferably, the internal diameter of the cylinder I is more than or equal to the internal diameter of the cylinder II.
Preferably, the cylinder I and cylinder II by cylinder head, cylinder jacket, cylinder block, be built in the intracorporal piston of cylinder and
It covers the water jacket outside cylinder jacket to constitute, cylinder I and cylinder II are a closed cylinder body；In the cylinder head be equipped with air inlet and
Gas outlet, and check valve is provided at air inlet and air outlet；The water jacket, water are equipped in the outside of the cylinder jacket
It puts on and is equipped with inlet and outlet, flowing has cooling water in water jacket；The piston that is built in the cylinder I and it is built in institute
It is that contact is connect that the piston in cylinder II, which is stated, with the piston rod end face, respectively the high pressure gas pressure intracavitary by the compressed gas
Power is attached in the piston rod end face；Be built on the piston in the cylinder I and cylinder II equipped with the continuous piston ring of multiple tracks and
Support ring guarantees gas No leakage；Nitrogen mouth is provided on the cylinder block, external nitrogen passes through after being depressurized to 0.2MPa
Nitrogen mouth enters the nitrogen chamber of the cylinder I and cylinder II, makes intracavitary full of low-pressure nitrogen.
Preferably, the hydraulic system includes fuel tank, oil pump, motor, reversal valve, oil heat exchanger and return filter；Institute
It states motor to be connected by shaft coupling with oil pump, drives operation of oil pump, hydraulic oil is drawn out of fuel tank；Piston in the hydraulic cylinder
The hydraulic cylinder is separated into left oil pocket and right oil pocket, hydraulic cylinder is equipped with hydraulic oil and imports and exports A mouthful and B mouthfuls, A mouthfuls with left oil pocket phase
Even, B mouthfuls are connected with right oil pocket；The reversal valve, oil heat exchanger and return filter are connected in hydraulic oil circuit；In fuel tank
Hydraulic oil is connected with the A of hydraulic cylinder mouth and B mouthfuls in turn through hydraulic pump, oil circuit, reversal valve, B mouthfuls of oil returns when A mouthfuls of oil inlets, B mouthfuls of oil inlets
When A mouthfuls of oil returns, oil return returns to fuel tank by oil heat exchanger and return filter.
Preferably, it is respectively equipped with one stroke switch at the hydraulic cylinder both ends, for monitoring the piston motion in hydraulic cylinder
Position.
Preferably, gas heat exchanger is provided on the outlet tube road of the cylinder I and cylinder II；Described in hydrogen warp
Cylinder I, cylinder II are cooling through gas heat exchanger after compressing.
Preferably, it is additionally provided with a surge tank between the cylinder I and cylinder II, through the compressed hydrogen of the cylinder I
Entered in surge tank after cooling, then, then from surge tank enter the cylinder II.
Detailed description of the invention
Figure 1A is one main view of the utility model hydraulic piston type hydrogen gas compressor embodiment；
Figure 1B is the utility model hydraulic piston type hydrogen gas compressor embodiment side view diagram；
Fig. 1 C is one top view of the utility model hydraulic piston type hydrogen gas compressor embodiment；
Fig. 2 is the structural schematic diagram for constituting the hydrogen compression cylinder of the utility model；
Fig. 3 is the utility model hydraulic piston type hydrogen gas compressor process flow chart；
Fig. 4 A is two main view of the utility model hydraulic piston type hydrogen gas compressor embodiment；
Fig. 4 B is two side view of the utility model hydraulic piston type hydrogen gas compressor embodiment；
Fig. 4 C is two top view of the utility model hydraulic piston type hydrogen gas compressor embodiment；
Wherein:
1, pedestal；
2, hydraulic system；21, fuel tank；22, oil pump；23, motor；24, reversal valve；25, oil heat exchanger；26, oil strainer；
3, hydrogen compression cylinder；31, the piston in cylinder I；32, the piston in hydraulic cylinder；33, the piston in cylinder II；34,
Piston rod；35, check valve；36, travel switch；37, cylinder head；38, cylinder jacket；39, cylinder block；310, water jacket；311, piston
Ring；312, support ring；313, nut；314, sealing ring；
4, gas converting heat system；41, heat exchanger bracket；42, gas heat exchanger；
5, pneumatic filter；6, surge tank.
Specific embodiment
The structure of the utility model and feature are described in detail with reference to the accompanying drawings and examples.It needs to illustrate
It is that disclosed embodiments can be made with various modifications, therefore, embodiment disclosed in specification should not be considered as to this
The limitation of utility model, and only as the example of embodiment, the purpose is to keep the feature of the utility model apparent.
As shown in figures 1A-c, hydrogenation stations hydraulic piston type hydrogen gas compressor provided by the utility model includes pedestal
1, hydraulic system 2, hydrogen compression cylinder 3 and gas heat-exchange system 4 on pedestal 1 are set.
Hydraulic system 2 includes fuel tank 21, oil pump 22, motor 23, reversal valve 24, oil heat exchanger 25 and return filter 26.
Motor 23 is connected by shaft coupling with oil pump 22, is driven oil pump 22 to work, is drawn hydraulic oil out of fuel tank 21.Reversal valve 24, oil
Heat exchanger 25 and return filter 26 are connected in hydraulic oil circuit.The effect of hydraulic system 2 is that driving constitutes hydrogen compression cylinder 3
Hydraulic cylinder in reciprocating motion of the pistons, and then drive hydrogen compression cylinder in reciprocating motion of the pistons, compression hydrogen.
Gas converting heat system 4 includes heat exchanger bracket 41 and gas heat exchanger 42, and heat exchanger bracket 41 is arranged in the base
Between, gas heat exchanger 42 is arranged on heat exchanger bracket 41.For hydrogen after the compression of hydrogen compression cylinder 3, temperature is higher, to guarantee peace
Entirely, the compressed hydrogen of hydrogen compression cylinder 3 is cooling through gas heat exchanger 42, cools down.
Fig. 2 is the hydrogen compression cylinder structural schematic diagram for constituting the utility model.As shown, constituting the hydrogen of the utility model
Gas compression cylinder 3 is made of the cylinder I of horizontal distribution, separate cavities I, hydraulic cylinder, separate cavities II and cylinder II.Cylinder I and cylinder II
Positioned at the two sides of hydraulic cylinder, cylinder I is connected by separate cavities I with hydraulic cylinder, and cylinder II is connected by separate cavities II with hydraulic cylinder.
Be provided with piston 31 in cylinder I, piston 31 by cylinder I divide for compression air cavity A1 and nitrogen chamber A2, nitrogen chamber A2 with
Separate cavities I are adjacent.Piston 32 is provided in hydraulic cylinder, hydraulic cylinder is divided into left oil pocket A3 and right oil pocket A4 by piston 32.Cylinder II
It is inside provided with piston 33, it is that nitrogen chamber A5 and compression air cavity A6, nitrogen chamber A5 are adjacent with separate cavities II that piston 33, which divides cylinder II,.
Wherein, compression air cavity A1 and A6 is used for compression hydrogen chamber, and left oil pocket A3 and right oil pocket A4 are hydraulic fluid chamber, nitrogen chamber A2 and A5
It is interior filled with nitrogen, air-isolation and hydrogen are used for, to ensure safety when compression hydrogen.
The piston 33 in the piston 32 and cylinder II in piston 31, hydraulic cylinder in cylinder I passes through through cylinder I, isolation
Chamber I, hydraulic cylinder, separate cavities II and cylinder II piston rod 34 link together, become an entirety, link.Hydraulic system is driven
Piston 32 in hydrodynamic cylinder pressure moves back and forth, and the piston in hydraulic cylinder drives the piston 31 in cylinder I gentle by piston rod 34
Piston 33 in cylinder II moves back and forth, to realize the purpose of compression hydrogen.
It is communicated as shown in Fig. 2, cylinder I is equipped with air inlet C and gas outlet D, air inlet C and gas outlet D with compression air cavity A1,
Check valve 35 is equipped at air inlet C and gas outlet D.Similarly, cylinder II be equipped with air inlet E and gas outlet F, air inlet E and
Gas outlet F is communicated with compression air cavity A6, is equipped with check valve 35 at air inlet E and gas outlet F.
Hydraulic cylinder is equipped with hydraulic oil and imports and exports A and B, and hydraulic oil inlet and outlet A is communicated with left oil pocket A3, hydraulic oil inlet and outlet
B is communicated with right oil pocket A4.
As shown in figure 3, hydraulic oil in fuel tank 21 through hydraulic pump 22, oil circuit, reversal valve 24 in turn with the A of hydraulic cylinder mouth and
B mouthfuls are connected, B mouthfuls of oil returns when A mouthfuls of oil inlets, and A mouthfuls of oil returns when B mouthfuls of oil inlets, oil return is returned to through oil heat exchanger 25 and return filter 26
Fuel tank.
Hydraulic oil in fuel tank 21 enters the left oil pocket A3 of hydraulic cylinder through oil pump 22, reversal valve 24, hydraulic oil inlet and outlet A
In, the hydraulic oil in right oil pocket A4 returns in fuel tank 21 through reversal valve 24, oil heat exchanger 25 and return filter 26.At this point, liquid
Pressure oil pushes the piston 32 in hydraulic cylinder to move right, so that the piston 33 in cylinder II moves right, the compressed gas of cylinder II
Chamber A6 cavity volume is reduced, and the hydrogen in cylinder II is compressed, and compressed hydrogen is discharged from F mouthfuls, into gas heat exchanger 42, warp
Gas heat exchanger 42 cools down, and filters and exports through pneumatic filter 5, and cylinder II completes hydrogen compression procedure；Entrance pressure hydrogen simultaneously
Gas by inlet pneumatic filter 5, check valve 35, by C mouthfuls enter cylinder I compression air cavity A1, due to piston 32 to
Move right drive cylinder I in piston 31 also move right, the compression air cavity A1 volume of cylinder I becomes larger, cylinder I complete air-breathing into
Journey；When hydraulic oil enters the right oil pocket A4 of hydraulic cylinder by B mouthfuls, the hydraulic oil in left oil pocket A3 returns to fuel tank, at this time cylinder I
Piston 31 under the promotion of hydraulic cylinder piston rod 34 toward left movement, compression air cavity A1 cavity volume becomes smaller, the hydrogen quilt in cylinder I
Hydrogen compression procedure is completed in compression, and compressed hydrogen is discharged by check valve 35, gas outlet D, is cooled down through gas heat exchanger 42,
It is cached into surge tank 6, while the piston 33 in cylinder II also moves downward together under the drive of piston rod 34, surge tank 6
Interior hydrogen with cylinder II compression air cavity A6 cavity volume to expand into A6 intracavitary, cylinder II completes air-breathing process；Then,
Hydraulic oil enters hydraulic cylinder A3 chamber by A mouthfuls, and the hydraulic oil of A4 chamber returns to fuel tank, and the piston rod of hydraulic cylinder drives cylinder II at this time
Piston turn right movement, A1 chamber air inlet, the compression hydrogen that A1 chamber is discharged in A6 chamber carries out two-stage compression, and cylinder II completes hydrogen pressure
It is retracted journey；Then hydraulic oil enters A4 chamber again by B mouthfuls, and the hydraulic oil of A3 chamber returns to fuel tank, so that the hydrogen quilt in cylinder I
Compression, II air-breathing of cylinder.So again and again under the driving of hydraulic cylinder, reciprocating motion of the pistons in cylinder I and cylinder II,
Hydrogen in air accumulator is after the compression of cylinder I, discharge, into cylinder II, forms high pressure hydrogen discharge through II two-stage compression of cylinder.
As shown in figure 3, motive force is hydraulic cylinder and high pressure when the piston 31 in Driven by Hydraulic Cylinder cylinder I moves downward
Hydrogen is applied to the piston force of the piston face of cylinder II；When the piston 33 in Driven by Hydraulic Cylinder cylinder II moves right, push away
Power is the piston force that hydraulic cylinder and high pressure hydrogen are applied to I surface of cylinder.The utility model is respectively arranged in the two sides of hydraulic cylinder
The purpose of one cylinder allows the piston force in piston force and cylinder II in cylinder I mutually to balance the consumption for reducing function.
Hydraulic oil enters hydraulic cylinder inlet and outlet A and B in turn to be realized by reversal valve 24, and commutation instruction passes through installation
The movement position of travel switch 36 at hydraulic cylinder both ends monitoring hydraulic cylinder piston 32 (as shown in Figure 2) determines.When hydraulic
The cylinder piston 32 is compressed to position, and travel switch 36 issues instruction by PLC and allows commutation valve events.
In the utility model specific embodiment, the reversal valve 24 can be commutated by pressure or electromagnetic switch or row
Journey commutates close to switch control.The hydraulic pump 22 can be variable pump, by adjusting the flow of pump discharge hydraulic oil, so that living
Plug movement speed is accelerated or is slowed down, to adjust the discharge capacity of compression hydrogen.
Hydraulic pump can also be duplex pump, and when compression initial stage pressure is lower, high-pressure pump and low-lift pump work together, obtain
Biggish discharge capacity obtains higher compressed gas and does not have to use very big function in compression latter stage high pressure pump work low-lift pump off-load
The motor of rate.
As shown in Fig. 2, to prevent hydraulic fluid leak in hydraulic cylinder from polluting hydrogen, the utility model is in cylinder I and hydraulic
Setting is equipped with separate cavities I between cylinder, and separate cavities II, the piston rod band of such hydraulic cylinder are provided between cylinder II and hydraulic cylinder
Micro hydraulic oil out will not enter cylinder, to ensure to leak even if hydrogen or hydraulic oil, also not pollute mutually each other,
So that it is guaranteed that the purity of hydrogen.
In specific embodiment of the utility model, the cavity length of separate cavities I and separate cavities II is at least more than hydraulic cylinder
0.34 meter of stroke, so that piston rod portion by hydraulic oil lubrication will not enter in cylinder I and cylinder II, it is ensured that will not be because of
The micro hydraulic oil of hydraulic cylinder piston rod band is volatized into cylinder pollution compression hydrogen, guarantees the purity of compression hydrogen.
As shown in Fig. 2, the utility model, which is equipped with lower outlet L and M in the lower part of separate cavities I and separate cavities II, connects hydraulic oil
Tank, and detector liquid is installed, if there is the leakage of hydraulic oil, detector liquid sounds an alarm immediately, maintenance down.It is being isolated
The top of chamber I and separate cavities II is equipped with upper outlet N and O, is connected to atmosphere, the piston rod of hydraulic cylinder part extend out to separate cavities
When, the viscous micro volatilization of hydraulic oil on the piston rod is glued, the oil gas of volatilization is discharged into atmosphere through upper outlet N and O.
As shown in Fig. 2, the cylinder I and cylinder II that constitute the utility model hydrogen compression cylinder are by cylinder head 37, cylinder jacket
38, cylinder block 39, the water jacket 310 for being built in the intracorporal piston of cylinder and covering outside cylinder jacket are constituted, and cylinder I and cylinder II are one
Closed cylinder body.
Air inlet C and E, gas outlet D and F are arranged in the cylinder head 37 of cylinder head, and in air inlet and air outlet
Place is provided with check valve 35, and this design can reduce the clearance of hydrogen compression cylinder, improves compression efficiency.
The utility model is equipped with one layer of water jacket 310 in the outside of cylinder jacket 38, and water jacket 310 is equipped with water inlet G and J, goes out
The mouth of a river H and K, flowing has cooling water in water jacket.When piston moves back and forth in cylinder, amount of heat can be generated, is filled in
Cooling water in water jacket can cool down cylinder body, guarantee safety, and extend the service life of piston.
The piston 31 being built in cylinder I and the piston 33 being built in cylinder II and 34 end face of piston rod are contact company
It connects, is attached on piston rod 34 by compressing the high-pressure gas pressure of air cavity A1 and A6 respectively, so that maintenance is extremely convenient.When need more
When changing piston, need to only dismantle nut 313, remove cylinder head 37, can take out piston 31 and 33 with tool, carry out more to piston ring
It changes.
In addition, being equipped on the piston 31 and 33 that the utility model is built in cylinder I and cylinder II to prevent hydrogen gas leakage
The continuous piston ring 311 of multiple tracks and support ring 312, guarantee gas No leakage, and the operating pressure of piston ring reaches 90MPa, piston ring
For Self-lubrication Piston Ring, when work, does not need plus lubricating oil, will not pollute to hydrogen.
To prevent the hydraulic oil adhered on piston rod from entering separate cavities I and II, cylinder I and II, upper cover of piston rod has several
A sealing ring 314.
As shown in Fig. 2, the utility model is provided with nitrogen mouth P and Q on cylinder block 38, external nitrogen is through being depressurized to 0.2MPa
Afterwards, nitrogen the chamber A2 and A5 that cylinder I and cylinder II are entered by nitrogen mouth P and Q make intracavitary full of low-pressure nitrogen, isolation compression
A possibility that hydrogen and air in hydrogen chamber A1 and A6 contact, it is ensured that the operational safety of hydrogen gas compressor.Air cavity is compressed simultaneously
A1 and A6 can also monitor micro gas flow by P/Q mouthfuls of connection flowmeters, if because piston ring occurs abrasion and causes
Hydrogen leaks, and exceeds limit value, and alarm is shut down, meanwhile, the hydrogen of leakage can also be discharged by P/Q mouthfuls.
As shown in Fig. 2, the internal diameter of the utility model cylinder I can be more than or equal to the internal diameter of cylinder II, when the internal diameter of cylinder I
Equal to cylinder II internal diameter when, hydrogen is by one stage of compression.When the internal diameter of cylinder I is equal to the internal diameter of cylinder II, hydrogen is by second level
Compression, hydrogen is after the compression of cylinder I, into cylinder II, after cylinder II further compression, discharge.Cylinder I and cylinder II it is interior
Diameter is depending on design requirement.
As shown in figure 3, the utility model is provided with gas heat exchanger on the outlet tube road of cylinder I and cylinder II
42.Hydrogen is cooling through gas heat exchanger 42 after cylinder I, cylinder II compress.The effect of gas heat exchanger 42 is after cooling is compressed
Hydrogen, so that the hydrogen temperature being discharged through cylinder I and cylinder II is maintained at lower level, guarantee the safety fortune of entire compressor
Row.
In specific embodiment of the utility model, the gas heat exchanger 42 is pipe heat exchanger, is coated with cold
But water pipe, after compressed hydrogen flows through gas heat exchanger, the cooling water that the heat in hydrogen is cooled in water pipe absorbs.
As shown in figure 3, the utility model is additionally provided with a surge tank 6 between cylinder I and cylinder II, through I level-one pressure of cylinder
It is entered after hydrogen_cooling after contracting in surge tank 6, then, then from surge tank enters cylinder II.The purpose of this design makes
Compression process is steady, reduces gas pulses.
As shown in figures 1A-c, the utility model hydrogen gas compressor is designed using skid structure, and all component layouts are the bottom of at
On seat 1；Heat exchanger bracket 41 is arranged in the centre of pedestal 1, and hydraulic system 2 and hydrogen compression cylinder 3 are arranged in the two sides of pedestal, cloth
Office is clear, facilitates installation, maintenance.
In particular, the utility model hydraulic piston type hydrogen gas compressor uses flexible design, power of motor, compression cylinder and change
Hot device etc. is expansible, meet more huge discharge requirement, as shown in Fig. 4 A- Fig. 4 C, can to arrange multiple oil pumps and motor on pedestal,
Multiple rows of compression cylinder is arranged on pedestal, realizes the requirement of compressor different capacity and discharge capacity.
The advantages of the utility model: 1, the utility model hydraulic piston type hydrogen gas compressor, hydraulic cylinder and cylinder by every
It is separated from chamber, guarantees that compressed gas not by hydraulic oil pollution, guarantees the purity of gas.2, compared with traditional diaphragm type compressor,
Without mechanical compression crankcase and connecting rod, no diaphragm sheet metal, compression cylinder structure is simpler, and easy to maintain, overall cost is low.3, originally
Utility model is designed using skid structure, and layout is clear, facilitates installation, maintenance.4, the utility model uses flexible design, motor
Power, compression cylinder and heat exchanger etc. are expansible, meet the requirement of more huge discharge.
Finally, it should be noted that above-described each embodiment is merely to illustrate the technical solution of the utility model, rather than
It is limited；Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art
It is understood that it can still modify to technical solution documented by previous embodiment, or to part of or whole
Technical characteristic is equivalently replaced；And these modifications or substitutions, it does not separate the essence of the corresponding technical solution the utility model
The range of each embodiment technical solution.
Claims (9)
1. a kind of hydrogenation stations hydraulic piston type hydrogen gas compressor, it includes pedestal, the hydraulic system that is set on the base, hydrogen
Compression cylinder and gas heat-exchange system, hydraulic system drive the intracorporal hydrogen of piston back-and-forth movement compression cylinder in hydrogen compression cylinder,
It is characterized by:
The hydrogen compression cylinder is made of the cylinder I of horizontal distribution, separate cavities I, hydraulic cylinder, separate cavities II and cylinder II；Cylinder I
It is located at the two sides of hydraulic cylinder with cylinder II, cylinder I is connected by separate cavities I with hydraulic cylinder, and cylinder II passes through separate cavities II and liquid
Cylinder pressure is connected；
It is provided with piston in the cylinder I, which divides cylinder I for compression air cavity and nitrogen chamber, nitrogen chamber and I phase of separate cavities
It is adjacent；
Be also equipped with piston in the cylinder II, the piston by cylinder II divide for nitrogen chamber and compression air cavity, nitrogen chamber be isolated
Chamber II is adjacent；The compression air cavity is compression hydrogen chamber, and the nitrogen is intracavitary filled with nitrogen, is used for air-isolation and hydrogen；
Piston in the cylinder I, the piston in hydraulic cylinder and the piston in cylinder II are by running through the cylinder I, separate cavities
I, the piston rod of hydraulic cylinder, separate cavities II and cylinder II links together, and becomes an entirety, linkage；
The hydraulic system drives the reciprocating motion of the pistons in the hydraulic cylinder, and the piston in hydraulic cylinder passes through the piston rod band
The reciprocating motion of the pistons in piston and cylinder II taken offence in cylinder I, hydrogen is through the cylinder I and the compression output of cylinder II.
2. hydrogenation stations according to claim 1 hydraulic piston type hydrogen gas compressor, it is characterised in that: the separate cavities I
Cavity length with separate cavities II is at least more than 0.34 meter of the hydraulic cylinder travel.
3. hydrogenation stations according to claim 2 hydraulic piston type hydrogen gas compressor, it is characterised in that: in the separate cavities
I and the lower parts of separate cavities II be equipped with lower outlet and connect hydraulic oil tank, and detector liquid is installed；In the separate cavities I and separate cavities
II top is equipped with upper outlet, is connected to atmosphere.
4. hydrogenation stations according to claim 3 hydraulic piston type hydrogen gas compressor, it is characterised in that: the cylinder I
Internal diameter is more than or equal to the internal diameter of the cylinder II.
5. hydrogenation stations according to claim 4 hydraulic piston type hydrogen gas compressor, it is characterised in that: I He of cylinder
Cylinder II is made of cylinder head, cylinder jacket, cylinder block, the water jacket for being built in the intracorporal piston of cylinder and covering outside cylinder jacket,
Cylinder I and cylinder II are a closed cylinder body；
It is equipped with air inlet and air outlet in the cylinder head, and is provided with check valve at air inlet and air outlet；
It is equipped with the water jacket in the outside of the cylinder jacket, water jacket is equipped with inlet and outlet, and flowing has cold in water jacket
But water；
The piston being built in the cylinder I and the piston being built in the cylinder II and the piston rod end face are contact
Connection is attached in the piston rod end face by the intracavitary high-pressure gas pressure of the compressed gas respectively；
It is built on the piston in the cylinder I and cylinder II equipped with the continuous piston ring of multiple tracks and support ring, guarantees gas without letting out
Leakage；
Nitrogen mouth is provided on the cylinder block, external nitrogen enters the cylinder I after being depressurized to 0.2MPa, through nitrogen mouth
With the nitrogen chamber of cylinder II, make intracavitary full of low-pressure nitrogen.
6. hydrogenation stations according to claim 5 hydraulic piston type hydrogen gas compressor, it is characterised in that: the hydraulic system
Including fuel tank, oil pump, motor, reversal valve, oil heat exchanger and return filter；
The motor is connected by shaft coupling with oil pump, drives operation of oil pump, hydraulic oil is drawn out of fuel tank；
The hydraulic cylinder is separated into left oil pocket and right oil pocket by the piston in the hydraulic cylinder, and hydraulic cylinder is imported and exported equipped with hydraulic oil
A mouthfuls and B mouthfuls, A mouthfuls are connected with left oil pocket, and B mouthfuls are connected with right oil pocket；
The reversal valve, oil heat exchanger and return filter are connected in hydraulic oil circuit；Hydraulic oil in fuel tank through hydraulic pump,
Oil circuit, reversal valve are connected with the A of hydraulic cylinder mouth and B mouthfuls in turn, B mouthfuls of oil returns when A mouthfuls of oil inlets, A mouthfuls of oil returns when B mouthfuls of oil inlets, oil return
Fuel tank is returned to by oil heat exchanger and return filter.
7. hydrogenation stations according to claim 6 hydraulic piston type hydrogen gas compressor, it is characterised in that: in the hydraulic cylinder
Both ends are respectively equipped with one stroke switch, for monitoring the piston motion position in hydraulic cylinder.
8. hydrogenation stations according to claim 7 hydraulic piston type hydrogen gas compressor, it is characterised in that: in the cylinder I
Gas heat exchanger is provided with the outlet tube road of cylinder II；Hydrogen changes after the cylinder I, cylinder II compress through gas
Hot device is cooling.
9. hydrogenation stations according to claim 8 hydraulic piston type hydrogen gas compressor, it is characterised in that: in the cylinder I
It is additionally provided with a surge tank between cylinder II, is entered in surge tank after the compressed hydrogen_cooling of the cylinder I, then,
Enter the cylinder II from surge tank again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821074991.8U CN208474066U (en) | 2018-07-06 | 2018-07-06 | Hydrogenation stations hydraulic piston type hydrogen gas compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821074991.8U CN208474066U (en) | 2018-07-06 | 2018-07-06 | Hydrogenation stations hydraulic piston type hydrogen gas compressor |
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| Publication Number | Publication Date |
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| CN208474066U true CN208474066U (en) | 2019-02-05 |
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| CN201821074991.8U Active CN208474066U (en) | 2018-07-06 | 2018-07-06 | Hydrogenation stations hydraulic piston type hydrogen gas compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591008A (en) * | 2018-07-06 | 2018-09-28 | 北京普发动力控股股份有限公司 | Hydrogenation stations hydraulic piston type hydrogen gas compressor |
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2018
- 2018-07-06 CN CN201821074991.8U patent/CN208474066U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591008A (en) * | 2018-07-06 | 2018-09-28 | 北京普发动力控股股份有限公司 | Hydrogenation stations hydraulic piston type hydrogen gas compressor |
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