CN208058413U - A kind of 3000 type hydraulic substation of discharge capacities double pump such as not - Google Patents
A kind of 3000 type hydraulic substation of discharge capacities double pump such as not Download PDFInfo
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- CN208058413U CN208058413U CN201721892297.2U CN201721892297U CN208058413U CN 208058413 U CN208058413 U CN 208058413U CN 201721892297 U CN201721892297 U CN 201721892297U CN 208058413 U CN208058413 U CN 208058413U
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Abstract
The utility model provides a kind of 3000 type hydraulic substation of discharge capacities double pump such as not, including hydraulic substation skid body, hydraulic substation trailer, natural gas surge flask, filling machine, hydraulic substation skid body is connected with hydraulic substation trailer by hydraulic high-pressure hose, hydraulic substation trailer is connected by natural gas high pressure hose with natural gas surge flask, natural gas surge flask is connect with filling machine by export pipeline, the unlatching that hydraulic substation passes through PLC automatic control system control valve；Hydraulic substation skid body includes hydraulic oil container, the first hydraulic pump, the second hydraulic pump, the first valve block, the second valve block and commutation valve group, the discharge capacity of first hydraulic pump is less than the discharge capacity of the second hydraulic pump, and pressure sensor is equipped on the first valve block, the second valve block and export pipeline.Two hydraulic pumps of the utility model can isolated operation can also run simultaneously, when avoiding gas station aerating load variations, two hydraulic pump frequent startings are greatly reduced power consumption, improve substation aerating speed and working efficiency.
Description
Technical field
The utility model belongs to natural gas gasification device technical field, more particularly, to a kind of 3000 type of discharge capacities double pump such as not
Hydraulic substation.
Background technology
Hydraulic natural gas automobile secondary gas filling station is since few with number of devices, floor space is small, the construction period is short and drags
The advantages that vehicle unloading rate is up to 95%-97%, is used widely in China.
As natural gas automobile secondary gas filling station runs the increase of quantity, the competition between gas station grows in intensity.To shorten
The refueling time simultaneously reduces the aerating stand-by period, especially meets the large capacities natural gas vehicle such as bus and intercity bus
The demand of aerating, huge discharge hydraulic pressure natural gas vehicle gas station technology are come into being.
Capacity 3000Nm3It is maximum to become capacity instantly for the pump hydraulic gas filling sub-station system of/hour
Hydraulic substation system.In existing disclosed 3000 type pump hydraulic natural gas automobile secondary gas filling station technologies, two are generally used
Etc. displacement hydraulic pumps form double pump system, the inlet port of two hydraulic pumps is connected on the same oil outlet of hydraulic oil container, two
The high-pressure oil outlet of hydraulic pump is connected on the same pressure elements assemblage block, and the high-pressure oil outlet of block is connected to commutation valve group
On, commutation valve group is connected using high-pressure hose with hydraulic substation trailer.
The method of operation of the discharge capacities pump hydraulic natural gas automobile secondary gas filling station technology such as existing 3000 type, by PLC automatic controls system
System starts a hydraulic pump in two first, and after hydraulic pressure pump startup stabilization, second hydraulic pump obtains instruction and then open
It is dynamic, the hydraulic medium oil in the skid body fuel tank of substation is injected into first steel cylinder of hydraulic substation trailer by two hydraulic pumps,
And release the natural gas in steel cylinder, natural gas vehicle aerating is given through filling machine, PLC robot control system(RCS)s, which monitor, in fueling process adds
The variation of atmospheric pressure, after pressure reaches default upper pressure limit value, PLC sends out two hydraulic pumps of instruction and successively stops fortune
Row, after pressure drop system sets low pressure limit value, PLC sends out two hydraulic pumps of instruction and successively starts by sequence, continue by
Hydraulic medium oil in the skid body fuel tank of substation is injected into first steel cylinder of hydraulic substation trailer, and the natural gas in steel cylinder is pushed away
Go out, when remaining natural gas reaches setting value in first steel cylinder of hydraulic substation trailer, PLC sends out two hydraulic pumps of instruction
Successively out of service, hydraulic medium oil pressure in steel cylinder is returned to substation skid body by remaining partial gas pressure in first steel cylinder
In fuel tank, when hydraulic medium oil returns at oil tank liquid level 1/3, PLC sends out two hydraulic pumps of instruction and successively starts by sequence, will
Hydraulic medium oil in the skid body fuel tank of substation is injected into second steel cylinder of hydraulic substation trailer, and second steel cylinder initially enters
Working cycles, and the natural gas in steel cylinder is released, give natural gas vehicle aerating through filling machine.When hydraulic pressure is situated between in first steel cylinder
Matter oil empties back into the fuel tank of substation skid body, and first steel cylinder exits working cycles.And so on, until hydraulic substation trailer
All steel cylinders in natural gas be all pushed out, hydraulic medium oil empties back into the fuel tank of substation.
The discharge capacities double pump such as use forms substation pressure charging system in the prior art, and the inlet port of two hydraulic pumps is connected on hydraulic oil
On the same oil outlet of case, the high-pressure oil outlet of two hydraulic pumps is connected on the same pressure elements assemblage block.Etc. discharge capacities
Double pump forms substation pressure charging system, and the discharge capacity of every hydraulic pump is 1500Nm3/h, when gas station aerating load is relatively low, hydraulic pressure
Pump startup and stopping are frequent, and power consumption is excessively high；Due to the limitation of control mode, hydraulic pressure natural gas vehicle gas station system cannot be single
Platform hydraulic pressure pump operation, no matter the aerating load condition of gas station is high or low, two hydraulic pumps are all first after PLC control system operation
After be activated and deactivated sequentially, hydraulic pressure pump startup and stop it is very frequent, cause a large amount of power wastage and working efficiency be low.Two
In the process of running, inlet line will produce bubble to platform hydraulic pump, gently then generate vibration and noise, heavy then cavitation occurs and makes
At the damage of hydraulic pump and hydraulic valve, i.e. the service life of shortening hydraulic pump and hydraulic valve reduces the capacity of hydraulic substation again.Two
The high-pressure oil outlet of hydraulic pump is connected on the same pressure elements assemblage block, and two hydraulic pumps are unable to isolated operation, pressure member
When part assemblage block repairs when breaking down, two hydraulic pumps cannot all operate, and gas station needs stoppage in transit to handle.
Invention content
In view of this, the utility model is directed to a kind of 3000 type hydraulic substation of discharge capacities double pump such as not, two hydraulic pumps
Can isolated operation can also run simultaneously.When avoiding gas station aerating load variations, two hydraulic pump frequent startings are greatly reduced
Power consumption reduces substation operation energy consumption, reduces substation operating cost, improves substation aerating speed and working efficiency.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of 3000 type hydraulic substation of discharge capacities double pump such as not, including hydraulic substation skid body, hydraulic substation trailer, natural gas are slow
Bottle, filling machine are rushed, hydraulic substation skid body is connected with hydraulic substation trailer by hydraulic high-pressure hose, and hydraulic substation trailer passes through day
Right gas high-pressure hose is connected with natural gas surge flask, and natural gas surge flask is connect with filling machine by export pipeline, hydraulic substation
Pass through the unlatching of PLC automatic control system control valve；
Hydraulic substation skid body includes hydraulic oil container, the first hydraulic pump, the second hydraulic pump, the first valve block, the second valve block and changes
To valve group, A oil outlets and the first hydraulic pump, the first valve block of hydraulic oil container are sequentially connected, the B oil outlets of hydraulic oil container and second
Hydraulic pump, the second valve block are sequentially connected, and the first valve block is connected with the inlet tube of commutation valve group with the second valve block, the first hydraulic pump
It is unequal with the second hydraulic pump discharge, and the discharge capacity of the first hydraulic pump is less than the discharge capacity of the second hydraulic pump, the first valve block, the second valve
First pressure sensor, second pressure sensor and third pressure sensor, the first pressure are respectively set on block and export pipeline
Force snesor, second pressure sensor and third pressure sensor are connect with PLC automatic control system；
The valve group that commutates includes inlet tube, and the end of inlet tube is separately connected the first feed liquor branch pipe and the second feed liquor branch pipe, the
One feed liquor branch pipe is connected close to the side of hydraulic substation trailer with first time liquid branch pipe, and the other end of first time liquid branch pipe is passed through liquid
Pressure oil case is connected between the second feed liquor branch pipe and first time liquid branch pipe by second time liquid branch pipe；
Hydraulic substation trailer includes several steel cylinders, and steel cylinder is divided into two groups, first group of steel cylinder by the first hydraulic oil pipeline and
First CNG pipelines are connected with the first feed liquor branch pipe and natural gas high pressure hose respectively；Second group of steel cylinder passes through the second hydraulic oil pipe
Road and the 2nd CNG pipelines are connected with the second feed liquor branch pipe and natural gas high pressure hose respectively.
Further, on the first feed liquor branch pipe and positioned at the first feed liquor branch pipe and the second feed liquor branch pipe tie point and
Pipeline section between first feed liquor branch pipe and first time liquid branch pipe tie point is provided with the first feed liquor manifold valve, on the second feed liquor branch pipe
Be provided with the second feed liquor manifold valve, on first time liquid branch pipe and positioned at the tie point of first time liquid branch pipe and the first feed liquor branch pipe with
And first time liquid manifold valve is equipped between first time liquid branch pipe and the tie point of second time liquid branch pipe, it is arranged on second time liquid branch pipe
There is second time liquid manifold valve.
Further, the first hydraulic high-pressure hose is equipped between the first hydraulic oil pipeline and the first feed liquor branch pipe；The
The second hydraulic high-pressure hose is equipped between two hydraulic oil pipelines and the second feed liquor branch pipe.
Further, it is provided with the first bottle inlet pneumatic control valve on the first hydraulic oil pipeline, the first CNG pipelines are set
It is equipped with the first bottle outlet pneumatic control valve；The second bottle inlet pneumatic control valve is provided on second hydraulic oil pipeline, the 2nd CNG pipelines are set
It is equipped with the second bottle outlet pneumatic control valve.
Further, liquid level gauge is installed on the hydraulic oil container.
Further, one end on first time liquid branch pipe close to hydraulic oil container is provided with Self controlling valve.
Further, the PLC automatic control system by CPU, analog module, switching value module, conversion circuit, soft open
The dynamic compositions such as device and frequency converter.
Further, first hydraulic pump is connected to the A of hydraulic oil container by inlet filter, pipeline, the first valve
Oil outlet；Second hydraulic pump is connected to the B oil outlets of hydraulic oil container by inlet filter, pipeline, the first valve.
The application method of the utility model：
Steel cylinder is divided into two groups first, and the number of first group of steel cylinder is respectively C1, C3, C5 ..., the number of second group of steel cylinder
Respectively C2, C4, C6 ...；First hydraulic pump discharge is equivalent to 1000Nm3/h, and the second hydraulic pump discharge is equivalent to 2000Nm3/
h；
Control soft strater starts the first small hydraulic pump of discharge capacity, A oil outlet of first hydraulic pump from hydraulic oil container first
Suck hydraulic medium oil, hydraulic medium oil by the first feed liquor manifold valve on the first valve block, inlet tube, the first feed liquor branch pipe,
The first bottle inlet pneumatic control valve on first hydraulic high-pressure hose, the first hydraulic oil pipeline is injected into steel cylinder C1, and by steel cylinder
Natural gas in C1 is released by the first bottle outlet pneumatic control valve on the first CNG pipelines, and is entered through natural gas high pressure hose
Natural gas surge flask gives natural gas vehicle aerating by filling machine.At this point, the second hydraulic pump of discharge capacity greatly is in standby.
The CPU of PLC robot control system(RCS)s collects analog module and collects positioned at the outlet of natural gas surge flask in the process
Third pressure sensor on pipeline, and the first pressure sensor in the first valve block, the second valve block and second pressure biography
Pressure signal on sensor.
When from third pressure sensor gas pressure and come from first pressure sensor and second pressure sensor
Hydraulic pressure reach CPU setting upper pressure limit values after, the CPU of PLC sends out instruction, and the first small hydraulic pump of discharge capacity stops being pressurized
Switch to no-load run, substation hydraulic pressure boosting system is in standby.
PLC control system passes through certain delay, gas pressure from third pressure sensor and from the first pressure
The hydraulic pressure of force snesor and second pressure sensor does not decline, and the CPU of PLC sends out instruction robot control system(RCS) and opens hydraulic subsidiary
The second bottle outlet pneumatic control valve on the 2nd CNG pipelines of the steel cylinder C2 to stand in second group of trailer.
The steel cylinder C1 and steel cylinder C2 of hydraulic substation trailer pass through the first bottle outlet pneumatic control valve, the second bottle outlet pneumatic control
Valve is connected to, and executes the concora crush operation of natural gas in steel cylinder C1 and steel cylinder C2；
During this, passed such as the gas pressure of third pressure sensor and from first pressure sensor and second pressure
The hydraulic pressure of sensor still remains unchanged, and the CPU of PLC sends out instruction robot control system(RCS) and opens the first of hydraulic substation trailer steel cylinder C3
Bottle outlet pneumatic control valve executes the concora crush operation of steel cylinder C1, steel cylinder C2 and steel cylinder C3, and so on, until robot control system(RCS) is opened
The upper bottle outlet pneumatic control valve of the last one steel cylinder of hydraulic substation trailer.
In substation aerating and hydraulic substation trailer steel cylinder concora crush operating process, when the CPU of PLC monitors to come from third pressure
The gas pressure of force snesor and hydraulic pressure from first pressure sensor and second pressure sensor have downward trend
When, the CPU of PLC sends out the second big hydraulic pump of instruction discharge capacity and starts simultaneously low speed operation by frequency converter,
Second hydraulic pump is oily from the B oil outlets of hydraulic oil container sucking hydraulic medium,
Hydraulic medium oil passes through the first feed liquor manifold valve on the second valve block, inlet tube, the first feed liquor branch pipe, the first hydraulic pressure
The first bottle inlet pneumatic control valve on high-pressure hose, the first hydraulic oil pipeline is injected into steel cylinder C1, and by the day in steel cylinder C1
Right gas is released by the first bottle outlet pneumatic control valve on the first CNG pipelines, and is entered natural gas through natural gas high pressure hose and delayed
Bottle is rushed, natural gas vehicle aerating is given by filling machine.
When the CPU of PLC monitors the gas pressure of third pressure sensor and is sensed from first pressure during this
When the hydraulic pressure of device and second pressure sensor still has downward trend, the CPU of PLC sends out the second big hydraulic pressure of instruction discharge capacity
Pump is run by Frequency Converter Control motor middling speed.
When the CPU of PLC monitors the gas pressure of third pressure sensor and comes from first pressure sensor and second
When the hydraulic pressure of pressure sensor continues to have downward trend,
The CPU of PLC sends out the second big hydraulic pump of instruction discharge capacity and passes through Frequency Converter Control high speed operation of motor, hydraulic substation
System reaches maximum load, continues the hydraulic medium oil in the hydraulic oil container in hydraulic substation skid body being injected into hydraulic substation and drag
In the steel cylinder C1 of vehicle, and the natural gas in steel cylinder C1 is released, natural gas vehicle aerating is given through filling machine.
When the CPU of PLC monitors the gas pressure of third pressure sensor and comes from first pressure sensor and second
When the hydraulic pressure of pressure sensor reaches setting upper limit value, the CPU of PLC sends out the second big hydraulic pump of instruction discharge capacity and passes through change
Frequency device controls motor and switchs to middling speed operation by high-speed cruising；During this；
Such as the gas pressure of third pressure sensor and the liquid from first pressure sensor and second pressure sensor
When pressure pressure remains to reach setting upper limit value, PLC send out the second big hydraulic pump of instruction discharge capacity by Frequency Converter Control motor by
Middling speed operation switchs to low speed operation；
During this, passed such as the gas pressure of third pressure sensor and from first pressure sensor and second pressure
When the hydraulic pressure of sensor continues to reach setting upper limit value, the CPU of PLC sends out the second big hydraulic pump of instruction discharge capacity and stops fortune
Row；
During this, passed such as the gas pressure of third pressure sensor and from first pressure sensor and second pressure
When the hydraulic pressure of sensor continues to reach setting upper limit value, it is also out of service that PLC sends out the first small hydraulic pump of instruction discharge capacity,
Hydraulic substation system is in standby.
When remaining natural gas reaches setting minimum value in the steel cylinder C1 of hydraulic substation trailer, the CPU of PLC sends out finger
Enable the hydraulic pump being currently running out of service, the first bottle outlet pneumatic control valve of steel cylinder C1 is closed, at this point, steel cylinder C2, steel cylinder C3,
To the last the first bottle outlet pneumatic control valve of steel cylinder and the second bottle outlet pneumatic control valve are in open state, ensure aerating
Continuity.
Hydraulic medium oil in steel cylinder C1 is passed through the first bottle inlet pneumatic control by remaining partial gas pressure in steel cylinder C1
Valve, the first hydraulic high-pressure hose, first time liquid branch pipe in the valve group that commutates, Self controlling valve enters in hydraulic oil container；
When hydraulic medium oil returns at the 1/3 of the liquid level gauge of hydraulic oil container, the CPU of PLC sends out two hydraulic pumps of instruction
The first small hydraulic pressure pump startup of middle discharge capacity, the first hydraulic pump is oily from the A oil outlets of hydraulic oil container sucking hydraulic medium, hydraulic medium
Oil by the second feed liquor manifold valve on the first valve block, inlet tube, the second feed liquor branch pipe by hydraulic medium oil, the second hydraulic high-pressure
The second bottle inlet pneumatic control valve on hose, the second hydraulic oil pipeline is injected into steel cylinder C2, and steel cylinder C2 initially enters work and follows
Ring, and by the natural gas in steel cylinder C2 through the second bottle outlet pneumatic control valve release on the 2nd CNG pipelines and through natural gas high pressure
After natural gas surge flask, natural gas vehicle aerating is given by filling machine for hose.
In the process, the CPU of PLC collects analog module and collects the gas pressure of third pressure sensor and come
From the hydraulic pressure variation tendency of first pressure sensor and second pressure sensor, when the CPU of PLC monitors to come from third
The gas pressure of pressure sensor and hydraulic pressure from first pressure sensor and second pressure sensor, reach CPU
After setting upper pressure limit value, the CPU of PLC sends out instruction, and the first small hydraulic pump of discharge capacity stops supercharging and switchs to no-load run,
Substation hydraulic pressure boosting system is in standby.At this point, the second hydraulic pump is in halted state is such as by certain delay
System pressure does not have downward trend, the first hydraulic pump out of service.
In the first hydraulic pump pressurization, sensed such as the gas pressure of third pressure sensor and from first pressure
The hydraulic pressure of device and second pressure sensor cannot reach the setting value upper limit, and the CPU of PLC sends out big second of instruction discharge capacity
Hydraulic pump is started by frequency converter and low speed is run, and the second hydraulic pump is oily from the B oil outlets of hydraulic oil container sucking hydraulic medium, liquid
Press Medium Oil by the second feed liquor manifold valve on the second valve block, inlet tube, the second feed liquor branch pipe, the second hydraulic high-pressure hose,
The second bottle inlet pneumatic control valve on second hydraulic oil pipeline is injected into steel cylinder C2, and by the natural gas in steel cylinder C2 by the
The second bottle outlet pneumatic control valve on two CNG pipelines is released, and enters natural gas surge flask by adding through natural gas high pressure hose
Mechanism of qi gives natural gas vehicle aerating.
When the CPU of PLC monitors the gas pressure of third pressure sensor and is sensed from first pressure during this
When the hydraulic pressure of device and second pressure sensor still has downward trend, the CPU of PLC sends out the second big hydraulic pressure of instruction discharge capacity
Pump is run by Frequency Converter Control motor middling speed.
When the CPU of PLC monitors that aerating pressure and hydraulic line pressure continue to have downward trend, the CPU of PLC is sent out
For the second hydraulic pump for instructing discharge capacity big by Frequency Converter Control high speed operation of motor, hydraulic substation system reaches maximum load, after
It is continuous that hydraulic medium oil in the hydraulic oil container of hydraulic substation skid body is injected into the steel cylinder C2 of hydraulic substation trailer, and by steel cylinder
Natural gas in C2 is released, and natural gas vehicle aerating is given through filling machine.
During this, when the CPU of PLC monitors the gas pressure of third pressure sensor and is sensed from first pressure
When the hydraulic pressure of device and second pressure sensor reaches setting upper limit value, the CPU of PLC sends out the second big liquid of instruction discharge capacity
Press pump switchs to middling speed operation by Frequency Converter Control motor by high-speed cruising；
When remaining to reach setting upper limit value such as aerating pressure and hydraulic line pressure, PLC sends out big second of instruction discharge capacity
Hydraulic pump switchs to low speed operation by Frequency Converter Control motor by middling speed operation；
Such as the gas pressure of third pressure sensor and the liquid from first pressure sensor and second pressure sensor
When pressure pressure continues to reach setting upper limit value, the CPU of PLC, which is sent out, instructs the second hydraulic pump of discharge capacity greatly out of service；
During this, if aerating pressure and hydraulic line pressure continue to reach when setting upper limit value, PLC sends out instruction
The first small hydraulic pump of discharge capacity is also out of service, and hydraulic substation system is in standby.
When hydraulic medium oil empties back into the hydraulic oil container of hydraulic substation skid body in steel cylinder C1, steel cylinder C1 first into
Bottle pneumatic control valve is closed, and the first time liquid manifold valve and Self controlling valve on first time liquid branch pipe are closed, and steel cylinder C1 exits work
It recycles.
And so on, until natural gas is all pushed out in all steel cylinders of hydraulic substation trailer, hydraulic medium oil is all
It returns in the fuel tank of substation.
Compared with the existing technology, the 3000 type hydraulic substation of discharge capacities double pump such as not described in the utility model has following excellent
Gesture：
The 3000 type hydraulic substation of discharge capacities double pump such as not described in the utility model：
In order to overcome problem of the prior art and disadvantage, first technical problem that the utility model solves to be to disclose
A kind of 3000 type hydraulic pressure air entraining substation system of discharge capacities double pump and the gas charging control method such as not；To ensure that substation 3000Nm3/h is vented
The practical tonnage capacity of amount improves substation system gas supply capacity；When avoiding that double pump works at the same time caused by circuit design is unreasonable,
Generate the damage that cavitation causes hydraulic pump and hydraulic valve；
Second technical problem solved is, provides a kind of side of the combination of the displacement hydraulic pumps such as not double pump substation system
Method reduces substation operating cost to reduce substation operation energy consumption, improves working efficiency；
The third technical problem of solution is, provides a kind of discharge capacities double pump substation combined method and the pipe-line system such as not,
Two hydraulic pumps can isolated operation, system can repair in the case that non-stop-machine；
The 4th technical problem solved be, provides a kind of discharge capacities double pump substation system gas charging control method such as not, two
Platform hydraulic pump can isolated operation can also run simultaneously, when avoiding gas station aerating load variations, two hydraulic pump frequent startings,
Power consumption is greatly reduced.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.?
In attached drawing：
Fig. 1 is the simple structure signal of the 3000 type hydraulic substation of discharge capacities double pump such as not described in the utility model embodiment
Figure.
Reference sign：
1- hydraulic substation skid bodys；2- hydraulic substation trailers；3- natural gas surge flasks；4- filling machines；5- natural gas high pressures are soft
Pipe；6- export pipelines；7- hydraulic oil containers；The first hydraulic pumps of 8-；The second hydraulic pumps of 9-；The first valve blocks of 10-；The second valve blocks of 11-；
12- commutation valve groups；13- inlet tubes；14- the first feed liquor branch pipes；15- the second feed liquor branch pipes；16- first returns liquid branch pipe；17-
Two times liquid branch pipes；18- the first hydraulic oil pipelines；The first CNG pipelines of 19-；20- the second hydraulic oil pipelines；The 2nd CNG pipelines of 21-；
22- the first feed liquor manifold valves；23- the second feed liquor manifold valves；24- first returns liquid manifold valve；25- second returns liquid manifold valve；26-
One hydraulic high-pressure hose；27- the second hydraulic high-pressure hoses；28- the first bottle inlet pneumatic control valves；29- the first bottle outlet pneumatic controls
Valve；30- the second bottle inlet pneumatic control valves；31- the second bottle outlet pneumatic control valves；32- liquid level gauges；33- Self controlling valves；34- first
Pressure sensor；35- second pressure sensors；36- third pressure sensors.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more this feature.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, a kind of 3000 type hydraulic substation of discharge capacities double pump such as not, including hydraulic substation skid body 1, hydraulic substation drag
Vehicle 2, natural gas surge flask 3, filling machine 4, hydraulic substation skid body 1 and hydraulic substation trailer 2 are connected by hydraulic high-pressure hose, liquid
Pressure substation trailer 2 is connected by natural gas high pressure hose 5 with natural gas surge flask 3, and natural gas surge flask 3 passes through with filling machine 4
Export pipeline 6 connects, the unlatching that hydraulic substation passes through PLC automatic control system control valve；
Hydraulic substation skid body 1 includes hydraulic oil container 7, the first hydraulic pump 8, the second hydraulic pump 9, the first valve block 10, the second valve
Block 11 and commutation valve group 12, the A oil outlets of hydraulic oil container 7 are sequentially connected with the first hydraulic pump 8, the first valve block 10, hydraulic oil container 7
B oil outlets be sequentially connected with the second hydraulic pump 9, the second valve block 11, the first valve block 10 and the second valve block 11 with commutation valve group
12 inlet tube 13 is connected, and the first hydraulic pump 8 and 9 discharge capacity of the second hydraulic pump are unequal, and the discharge capacity of the first hydraulic pump 8 is less than the
The discharge capacity of two hydraulic pumps 9, be respectively set on the first valve block 10, the second valve block 11 and export pipeline 6 first pressure sensor 34,
Second pressure sensor 35 and third pressure sensor 36, first pressure sensor 34, second pressure sensor 35 and third pressure
Force snesor 36 is connect with PLC automatic control system；PLC automatic control system is received from first pressure sensor 34, the
The signal of two pressure sensors 35 and third pressure sensor 36, and control unlatching and the closure of each valve and valve block.
The valve group 12 that commutates includes inlet tube 13, the end of inlet tube 13 be separately connected the first feed liquor branch pipe 14 and second into
Liquid branch pipe 15, the first feed liquor branch pipe 14 are connected close to the side of hydraulic substation trailer 2 with first time liquid branch pipe 16, first time liquid branch
The other end of pipe 16 is passed through hydraulic oil container 7, passes through second time liquid branch pipe between the second feed liquor branch pipe 15 and first time liquid branch pipe 16
17 connections；
Hydraulic substation trailer 2 includes several steel cylinders, and steel cylinder is divided into two groups, and first group of steel cylinder passes through the first hydraulic oil pipeline 18
It is connected respectively with the first feed liquor branch pipe 14 and natural gas high pressure hose 5 with the first CNG pipelines 19；Second group of steel cylinder passes through second
Hydraulic oil pipeline 20 and the 2nd CNG pipelines 21 are connected with the second feed liquor branch pipe 15 and natural gas high pressure hose 5 respectively.
On above-mentioned first feed liquor branch pipe 14 and positioned at the first feed liquor branch pipe 14 and 15 tie point of the second feed liquor branch pipe and the
Pipeline section between one feed liquor branch pipe 14 and first time 16 tie point of liquid branch pipe is provided with the first feed liquor manifold valve 22, the second feed liquor branch
It is provided with the second feed liquor manifold valve 23 on pipe 15, on first time liquid branch pipe 16 and is located at first time liquid branch pipe 16 and the first feed liquor branch
First time liquid manifold valve is equipped between the tie point of pipe 14 and first time liquid branch pipe 16 and the tie point of second time liquid branch pipe 17
24, second time liquid manifold valve 25 is provided on second time liquid branch pipe 17.
The first hydraulic high-pressure hose 26 is equipped between above-mentioned first hydraulic oil pipeline 18 and the first feed liquor branch pipe 14；Second
The second hydraulic high-pressure hose 27 is equipped between hydraulic oil pipeline 20 and the second feed liquor branch pipe 15.
It is provided with the first bottle inlet pneumatic control valve 28 on above-mentioned first hydraulic oil pipeline 18, the first CNG pipelines 19 are provided with
First bottle outlet pneumatic control valve 29；The second bottle inlet pneumatic control valve 30, the 2nd CNG pipelines are provided on second hydraulic oil pipeline 20
21 are provided with the second bottle outlet pneumatic control valve 31.
Liquid level gauge 32 is installed, liquid level gauge 32 is connected with PLC automatic control system on above-mentioned hydraulic oil container 7.
One end of hydraulic pressure oil tank 7 is provided with Self controlling valve 33 on above-mentioned first time liquid branch pipe 16.
Above-mentioned PLC automatic control system is by CPU, analog module, switching value module, conversion circuit, soft strater and change
The compositions such as frequency device.
Above-mentioned first hydraulic pump 8 is connected to the A oil outlets of hydraulic oil container 7 by inlet filter, pipeline, the first valve；
Second hydraulic pump 9 is connected to the B oil outlets of hydraulic oil container 7 by inlet filter, pipeline, the first valve.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of 3000 type hydraulic substation of discharge capacities double pump such as not, it is characterised in that：Including hydraulic substation skid body (1), hydraulic substation
Trailer (2), natural gas surge flask (3), filling machine (4), hydraulic substation skid body (1) and hydraulic substation trailer (2) pass through hydraulic pressure height
Hose is pressed to be connected, hydraulic substation trailer (2) is connected by natural gas high pressure hose (5) with natural gas surge flask (3), and natural gas is slow
It rushes bottle (3) to connect by export pipeline (6) with filling machine (4), hydraulic substation is opened by PLC automatic control system control valve
It opens；
Hydraulic substation skid body (1) include hydraulic oil container (7), the first hydraulic pump (8), the second hydraulic pump (9), the first valve block (10),
Second valve block (11) and commutation valve group (12), the A oil outlets and the first hydraulic pump (8) of hydraulic oil container (7), the first valve block (10) according to
Secondary connection, B oil outlets and the second hydraulic pump (9), the second valve block (11) of hydraulic oil container (7) are sequentially connected, the first valve block (10)
It is connected with the inlet tube (13) of commutation valve group (12) with the second valve block (11), the first hydraulic pump (8) and the second hydraulic pump (9) row
Measure it is unequal, and the discharge capacity of the first hydraulic pump (8) be less than the second hydraulic pump (9) discharge capacity, the first valve block (10), the second valve block
(11) and on export pipeline (6) first pressure sensor (34), second pressure sensor (35) and third pressure is respectively set
Sensor (36), first pressure sensor (34), second pressure sensor (35) and third pressure sensor (36) with PLC from
Autocontrol system connects；
The valve group that commutates (12) includes inlet tube (13), and the end of inlet tube (13) is separately connected the first feed liquor branch pipe (14) and second
Feed liquor branch pipe (15), the first feed liquor branch pipe (14) are connected close to the side of hydraulic substation trailer (2) with first time liquid branch pipe (16),
The other end of first time liquid branch pipe (16) is passed through hydraulic oil container (7), the second feed liquor branch pipe (15) and first time liquid branch pipe (16) it
Between pass through the connection of second time liquid branch pipe (17)；
Hydraulic substation trailer (2) includes several steel cylinders, and steel cylinder is divided into two groups, and first group of steel cylinder passes through the first hydraulic oil pipeline (18)
It is connected respectively with the first feed liquor branch pipe (14) and natural gas high pressure hose (5) with the first CNG pipelines (19)；Second group of steel cylinder passes through
Second hydraulic oil pipeline (20) and the 2nd CNG pipelines (21) respectively with the second feed liquor branch pipe (15) and natural gas high pressure hose (5)
It is connected.
2. the 3000 type hydraulic substation of discharge capacities double pump such as not according to claim 1, it is characterised in that：First feed liquor branch pipe
(14) on and positioned at the first feed liquor branch pipe (14) and the second feed liquor branch pipe (15) tie point and the first feed liquor branch pipe (14) and the
Pipeline section between time liquid branch pipe (16) tie point is provided with the first feed liquor manifold valve (22), is arranged on the second feed liquor branch pipe (15)
There is the second feed liquor manifold valve (23), on first time liquid branch pipe (16) and positioned at first time liquid branch pipe (16) and the first feed liquor branch pipe
(14) first time liquid branch is equipped between tie point and first time liquid branch pipe (16) and the tie point of second time liquid branch pipe (17)
Pipe valve (24) is provided with second time liquid manifold valve (25) on second time liquid branch pipe (17).
3. the 3000 type hydraulic substation of discharge capacities double pump such as not according to claim 1, it is characterised in that：First hydraulic oil pipeline
(18) the first hydraulic high-pressure hose (26) is equipped between the first feed liquor branch pipe (14)；Second hydraulic oil pipeline (20) with second into
The second hydraulic high-pressure hose (27) is equipped between liquid branch pipe (15).
4. the 3000 type hydraulic substation of discharge capacities double pump such as not according to claim 1, it is characterised in that：First hydraulic oil pipeline
(18) the first bottle inlet pneumatic control valve (28) is provided on, the first CNG pipelines (19) are provided with the first bottle outlet pneumatic control valve
(29)；The second bottle inlet pneumatic control valve (30) is provided on second hydraulic oil pipeline (20), the 2nd CNG pipelines (21) are provided with
Two bottle outlet pneumatic control valves (31).
5. the 3000 type hydraulic substation of discharge capacities double pump such as not according to claim 1, it is characterised in that：On hydraulic oil container (7)
Liquid level gauge (32) is installed.
6. the 3000 type hydraulic substation of discharge capacities double pump such as not according to claim 1, it is characterised in that：First time liquid branch pipe
(16) one end on close to hydraulic oil container (7) is provided with Self controlling valve (33).
7. the 3000 type hydraulic substation of discharge capacities double pump such as not according to claim 1, it is characterised in that：First hydraulic pump (8)
The A oil outlets of hydraulic oil container (7) are connected to by inlet filter, pipeline, the first valve；Second hydraulic pump (9) passes through entrance
Filter, pipeline, the first valve are connected to the B oil outlets of hydraulic oil container (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721892297.2U CN208058413U (en) | 2017-12-28 | 2017-12-28 | A kind of 3000 type hydraulic substation of discharge capacities double pump such as not |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721892297.2U CN208058413U (en) | 2017-12-28 | 2017-12-28 | A kind of 3000 type hydraulic substation of discharge capacities double pump such as not |
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| Publication Number | Publication Date |
|---|---|
| CN208058413U true CN208058413U (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332047A (en) * | 2017-12-28 | 2018-07-27 | 天津良华新能源科技有限公司 | A kind of hydraulic substation |
-
2017
- 2017-12-28 CN CN201721892297.2U patent/CN208058413U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332047A (en) * | 2017-12-28 | 2018-07-27 | 天津良华新能源科技有限公司 | A kind of hydraulic substation |
| CN108332047B (en) * | 2017-12-28 | 2023-09-19 | 天津良华新能源科技股份有限公司 | Hydraulic substation |
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