CN107575735A - Automatic control system and control method with hydrogen recovery function hydrogenation plant - Google Patents
Automatic control system and control method with hydrogen recovery function hydrogenation plant Download PDFInfo
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- CN107575735A CN107575735A CN201710857917.7A CN201710857917A CN107575735A CN 107575735 A CN107575735 A CN 107575735A CN 201710857917 A CN201710857917 A CN 201710857917A CN 107575735 A CN107575735 A CN 107575735A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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Abstract
The invention discloses a kind of automatic control system and its control method with hydrogen recovery function hydrogenation plant, it includes controller, and charging line pressure-detecting device, charging line flow detector, low-voltage emergency block valve, the anxious block valve of middle compression, high pressure emergency block valve, remaining hydrogen diffusion valve, recovery valve, operation input equipment and screen display equipment are connected with the controller；The operation input equipment, which is used to input, to be started aerating signal, stops aerating signal, set adding amount, set filling amount of money etc.；The screen display equipment is used to show the information such as the open and close state of adding amount, the filling amount of money, current adding amount, each valve.The system and method energy Europe solves the problems, such as that remaining hydrogen can only be diffused from hydrogenation rifle in the prior art；Solve the problems, such as that existing hydrogenation rifle is high in complicated, manufacture difficulty, cost；The energy is saved simultaneously, ensures that hydrogen diffuses the safety of process.
Description
Technical field
The present invention relates to hydrogen fill field, refer in particular to a kind of automatic control system with hydrogen recovery function hydrogenation plant and
Its control method.
Background technology
Hydrogen belongs to low molecular weight gas, and explosion limit scope is：4.1%~74.2% volumetric concentration, easily explodes,
Cause security incident.
Hydrogenation plant in the market mainly has two pressure ratings of 35MPa and 70MPa, belongs to operation with high pressure, pressure
Power is higher higher to the sealing of hydrogenation plant and security requirement；Ensure zero leakage, it is desirable to which having in hydrogen filling process can
By sealing；After the completion of filling, the residual high pressure hydrogen in hydrogenation plant can diffuse safely, ensure hydrogenation plant to target pair
As（The storage tank of hydrogen powered vehicle, ship etc.）Safety during hydrogenation.
Hydrogenation plant in the market can not solve the problems, such as that residual high pressure hydrogen diffuses, and pass through in the market
Rifle is hydrogenated with to diffuse the remaining hydrogen inside hydrogenation plant.Diffusion mouth is opened up on hydrogenation rifle, by the residual hydrogen inside hydrogenation plant
Gas is discharged by being hydrogenated with rifle.
Diffusion mouth is opened up on hydrogenation rifle, causes to be hydrogenated with the complicated of rifle；And remaining hydrogen is gases at high pressure, if hydrogenation rifle
Off quality, hydrogenation rifle is easy to burst, therefore is hydrogenated with rifle manufacturing process and requires high, and manufacture difficulty is big, and cost is high.
The content of the invention
It is an object of the invention to：For above-mentioned problem, there is provided a kind of to reclaim function hydrogenation plant with hydrogen
Automatic control system and its control method, solve the problems, such as that remaining hydrogen can only be diffused from hydrogenation rifle in the prior art；Solve existing
There is hydrogenation rifle in the problem of complicated, manufacture is difficult, cost is high；The energy is saved simultaneously, ensures that hydrogen diffuses the safety of process.
The technical solution adopted by the present invention is as follows：
The invention discloses a kind of automatic control system with hydrogen recovery function hydrogenation plant, it includes controller, the control
It is anxious that charging line pressure-detecting device, charging line flow detector, low-voltage emergency block valve, middle compression are connected with device processed
Block valve, high pressure emergency block valve, remaining hydrogen diffusion valve, recovery valve, operation input equipment and screen display equipment；The operation is defeated
Enter equipment be used for input start aerating signal, stop aerating signal, adding amount is set, setting and fill the amount of money；The screen display equipment
For showing the open and close state of adding amount, the filling amount of money, each valve.
Further, it is also associated with filling branch pressure detection means, the detection of filler pipe bypass flow on the controller
Anxious block valve, branch road high pressure emergency block valve, branch road remnants hydrogen is compressed in device, branch road low-voltage emergency block valve, branch road to put
Dissipate valve and branch road recovery valve.
The invention discloses a kind of autocontrol method of band remnants hydrogen diffusion function hydrogenation plant, the step of this method
It is as follows：
Step 1：Controller receives the beginning aerating signal of operation input equipment input, and controller opens source of the gas, makes source of the gas to mesh
Mark object filling hydrogen；
Step 2：After the completion of filling, controller control recovery valve is opened, and the remaining hydrogen in charging line is passed through into remaining hydrogen
Recovery pipe is recycled in remaining hydrogen recycling can；
Step 3：After the completion of recovery, controller controls remaining hydrogen diffusion valve to open, and the remaining part in charging line is remaining
Hydrogen is diffused by remaining hydrogen exhaust stack road；
Step 4：When filling again, controller first controls recovery valve to open, by the hydrogen in remaining hydrogen recycling can to target pair
As filling；
Step 5：After the completion of remaining hydrogen recycling can fills to destination object, 1 to 4 is repeated the above steps.
The existing mode of diffusing is diffused by being hydrogenated with rifle, after remaining hydrogen diffuses, is just directly emptied, remaining hydrogen is not done
Method continues filling when filling next time to destination object.And after this method reclaims the hydrogen in charging line, can be in next time
Continue filling during filling to destination object, avoid hydrogen from wasting.In remaining hydrogen recycling can, most residual hydrogen has been reclaimed
Gas, the remaining hydrogen of remainder are directly diffused by diffusing pipeline, are reduced amount of diffusin, are avoided energy waste, diffuse simultaneously
When, Hydrogen Vapor Pressure reduces, safer.In the prior art, substantial amounts of remaining hydrogen is directly diffused by being hydrogenated with rifle, and hydrogenation rifle is held
The pressure received is very high, if hydrogenation rifle is off quality, it is easy to burst, cause potential safety hazard.
Solve the problems, such as that existing hydrogenation plant can not diffuse remaining hydrogen；Simultaneously as hydrogen passes through remaining hydrogen
Pipeline discharge is diffused, then is hydrogenated with rifle It is not necessary to open up and diffuses hole, simplify the structure of hydrogenation rifle, be simple to manufacture, reduce into
This.Common hydrogenation rifle is set directly to use.Remaining hydrogen exhaust stack road is set up on charging line, makes original hydrogenation dress
It is easy to put transformation, and cost is low, more securely and reliably, the problem of will not being burst as hydrogenation rifle.
Further, in step 1, after controller receives the beginning aerating signal of operation input equipment, controller control
Low-voltage emergency block valve is opened, and the hydrogen in low pressure storage tank is filled after low pressure supply air line, charging line to destination object；
Now, charging line flow detector is used for the instantaneous delivery value Vd1 for detecting low pressure supply air line, when the low pressure detected supplies
When the instantaneous delivery value Vd1 of air pipe is less than the setting flow value Vd of the low pressure supply air line of setting in controller, controller control
Low-voltage emergency block valve processed is closed, and is stopped low pressure storage tank and is supplied to destination object；
Then, compress anxious block valve in controller control to open, make the hydrogen in middle pressure storage tank through medium pressure supply pipeline, filler pipe
Filled behind road to destination object；Now, charging line flow detector is used for the instantaneous delivery value for detecting medium pressure supply pipeline
Vz1, when the instantaneous delivery value Vz1 of the medium pressure supply pipeline detected is less than the setting of the medium pressure supply pipeline set in controller
Anxious block valve is compressed during flow value Vz, in controller control to close, and presses storage tank to be supplied to destination object in stopping；
Finally, controller control high pressure emergency block valve is opened, and makes the hydrogen in high pressure storage tank through high-pressure air feed pipeline, filler pipe
Filled behind road to destination object；Now, charging line flow detector is used for the instantaneous delivery value for detecting high-pressure air feed pipeline
Vg1, when the instantaneous delivery value Vg1 of the high-pressure air feed pipeline detected is less than the setting of the high-pressure air feed pipeline set in controller
During flow value Vg, controller control high pressure emergency block valve is closed, and is stopped high pressure storage tank and is supplied to destination object, filling is completed.
During existing gas source feed, the gas that storage tank comes out is conveyed to destination object again after force (forcing) pump, in filling process
In, force (forcing) pump, which needs to work always, can ensure enough filling pressure, waste electric energy.
And this method, pressurizeed step by step by the storage tank of different pressure ratings, after low pressure storage tank internal pressure reduces, middle pressure
After storage tank is to pressurize, middle pressure tank internal pressure reduces, high pressure storage tank pressurizes, and is pressurizeed by the differential pressure step by step between each storage tank,
It ensure that the pressure needed for gas filling process.In filling process, system reasonably controls high, medium and low air accumulator gas defeated
Destination object is sent to, saves electric energy.
Further, in step 2, controller control recovery valve is opened, and the remaining hydrogen in charging line is passed through residual
Remaining hydrogen recovery pipe is recycled in remaining hydrogen recycling can；When the charging line that detects of charging line pressure-detecting device
Do not changing after pressure duration T, then controller control recovery valve is closed, and remaining hydrogen recovery is completed.
Further, in step 3, controller controls remaining hydrogen diffusion valve to open, by the remaining portion in charging line
Remaining hydrogen is divided to be diffused by remaining hydrogen exhaust stack road；When pressure filling loine pressure detection means detects charging line
Pressure be less than controller in when diffusing pressure value；Controller controls remaining hydrogen diffusion valve to close, and diffuses completion.
Further, in step 4, controller control recovery valve is opened, and the hydrogen in it is filled to destination object, when
Do not changing after the pressure duration T2 for detecting charging line of charging line pressure-detecting device, then controller controls back
Receive valve to close, remaining hydrogen recycling can is filled to destination object and completed.
Further, before step 1, first pass through operation input equipment and adding amount Vs is set, it is defeated that controller receives operation
Enter the adding amount Vs of equipment input and store；Or the filling amount of money is set by operating input equipment, controller receives operation input
The filling amount of money of equipment input is simultaneously converted into adding amount Vs according to unit price, by adding amount Vs storages in the controller；Filling
Cheng Zhong, controller accumulates actual filling value Vj by charging line flow detector, when actual filling value Vj is equal to controller
During the adding amount Vs of interior setting, controller control low-voltage emergency block valve, the anxious block valve of middle compression and high pressure emergency block valve close
Close.
Further, in filling process, after controller receives the stopping aerating signal of operation input equipment；Controller
Control low-voltage emergency block valve, the anxious block valve of middle compression and high pressure emergency block valve to close, stop filling.
The invention discloses a kind of autocontrol method of band remnants hydrogen diffusion function hydrogenation plant, the step of this method
It is as follows：
Step 1：Controller receive operation input equipment input beginning aerating signal one, controller open source of the gas, make source of the gas to
Destination object one fills hydrogen；And/or controller receives the beginning aerating signal two of operation input equipment input, controller is opened
Source of the gas, source of the gas is set to fill hydrogen to destination object two；
Step 2：After the completion of filling, controller control recovery valve is opened, and the remaining hydrogen in charging line is passed through into remaining hydrogen
Recovery pipe is recycled in remaining hydrogen recycling can；It is residual in branch road by filling and/or controller controlling brancher recovery valve is opened
Remaining hydrogen is recycled in remaining hydrogen recycling can by branch road remnants hydrogen recovery pipes；
Step 3：After the completion of recovery, controller controls remaining hydrogen diffusion valve to open, and the remaining part in charging line is remaining
Hydrogen is diffused by remaining hydrogen exhaust stack road；And/or controller controlling brancher remnants hydrogen diffusion valve is opened, and will fill branch road
In remaining part remnants hydrogen diffused by branch road remnants hydrogen exhaust stacks road；
Step 4：When filling again, controller first controls recovery valve to open, by the hydrogen in remaining hydrogen recycling can to target pair
As a filling；And/or controller controlling brancher recovery valve is opened, the hydrogen in remaining hydrogen recycling can is added to destination object two
Note；
Step 5：After the completion of remaining hydrogen recycling can fills to destination object one and/or destination object two, repeat the above steps 1 to
4。
This method can be that multiple destination objects are filled.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
This method can solve the problems, such as that remaining hydrogen can only be diffused from hydrogenation rifle in the prior art；Existing hydrogenation rifle is solved in structure
Complexity, manufacture the problem of difficult, cost is high；It is easy to the direct transformation of existing hydrogenation plant, improvement cost is low, makes common hydrogenation
Rifle can be used directly.The method of the present invention can be reclaimed remaining hydrogen, remaining hydrogen is filled again to mesh
Mark object.Solve the problems, such as that existing hydrogenation plant can not reclaim remaining hydrogen.Meanwhile diffused after hydrogen major part recovery, protect
Demonstrate,prove and diffused safety；Avoid in the prior art, high pressure hydrogen directly discharges at hydrogenation rifle, because hydrogenation rifle processing technology is not up to standard
It is described to bring the danger for collapsing rifle.
Brief description of the drawings
Fig. 1 is the structure chart of embodiment 1；
Fig. 2 is the structure chart of embodiment 2;
Fig. 3 is automatic control system structure chart.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment 1
For one kind with remaining hydrogen diffusion function hydrogenation plant, it includes charging line 101, described one end of charging line 101 and gas
Source is connected, and the other end is connected with hydrogenation rifle 201；Remaining hydrogen exhaust stack road 301 is connected with the charging line 101, it is described
Remaining hydrogen diffusion valve 401 is provided with remaining hydrogen exhaust stack road 301.
Due to the hydrogen that said structure, source of the gas provide, through charging line, filled by being hydrogenated with rifle to destination object；Filling
After the completion of, remaining hydrogen diffusion valve is opened, high pressure hydrogen remaining in charging line is discharged from remaining hydrogen exhaust stack road；Solution
The problem of existing hydrogenation plant of having determined can not diffuse remaining hydrogen；Simultaneously as hydrogen is arranged by remaining hydrogen exhaust stack road
Go out, be then hydrogenated with rifle It is not necessary to open up and diffuse hole, simplify the structure of hydrogenation rifle, be simple to manufacture, reduce cost.Make common
Hydrogenation rifle can be used directly.Remaining hydrogen exhaust stack road is set up on charging line, makes original hydrogenation plant transformation easy,
And cost is low, more securely and reliably, the problem of will not being burst as hydrogenation rifle.
Remaining hydrogen recovery pipe 901 is connected with the charging line 101, the remaining hydrogen recovery pipe 901 connects
Remaining hydrogen recycling can 10 is connected to, recovery valve 1101 is provided with the remaining hydrogen recovery pipe 901.
Due to said structure, after the completion of filling, recovery valve is opened, the remaining hydrogen in charging line is entered residual hydrogen
Stored in gas recycling can；Most of hydrogen in charging line is all entered in remaining hydrogen recycling can, also fraction
Hydrogen is remained in charging line, is now diffused the residual hydrogen of fraction in the remaining hydrogen diffusion valve of opening.Next time adds
During note, first the gas in remaining hydrogen recycling can is released, for being filled to destination object, then opens gas source feed again
To destination object.
Remaining hydrogen recycling can reclaim the remaining hydrogen in charging line, remaining hydrogen is avoided energy in secondary utilization
Source wastes；And the existing mode of diffusing is diffused by being hydrogenated with rifle, after remaining hydrogen diffuses, the sky that runs in is straightened, remaining hydrogen does not have
Method continues filling to destination object when filling next time.Hydrogen diffuses again after first reclaiming, and can reduce diffusing for remaining hydrogen
Amount, ensure remaining hydrogen diffuse during safety.Hydrogen directly largely discharges at hydrogenation rifle, the pressure that hydrogenation rifle is born
It is very high, if hydrogenation rifle is off quality, it is easy to burst, cause potential safety hazard.
Charging line flow detector 601, charging line control valve 701 are provided with charging line 101；The filling
Pipeline 101 is connected by snap joint 8 with hydrogenation rifle 201.
The source of the gas includes low pressure storage tank, middle pressure storage tank, high pressure storage tank, and the low pressure storage tank exit is provided with low pressure confession
Air valve 1201, middle press are provided with medium pressure supply valve 1202 at outlet, and high pressure storage tank exit is provided with high-pressure air feed valve
1203；The low pressure steam supply valve 1201 is connected to charging line 101 by low pressure supply air line 1301；Medium pressure steam supply valve
1202 are connected to charging line 101 by medium pressure supply pipeline 1401；The high-pressure air feed valve 1203 passes through high-pressure air feed pipeline
1501 are connected to charging line 101.
Due to said structure, during gas source feed, the low-pressure gas in low pressure storage tank is first passed through into charging line and hydrogenation rifle
Fill to destination object, when pressure balance in the pressure in destination object and low pressure storage tank, low pressure storage tank stops filling, switching
Supplied to middle pressure storage tank for destination object, when the pressure in destination object is with middle pressure tank inner pressure balance, middle pressure storage tank stops
Only fill, be switched to high pressure storage tank and supplied for destination object, until the pressure in the pressure and high pressure storage tank in destination object is put down
Untill during weighing apparatus.
During existing gas source feed, the gas that storage tank comes out is conveyed to destination object again after force (forcing) pump, in filling process
In, force (forcing) pump, which needs to work always, can ensure enough filling pressure, waste electric energy.
And it is of the invention, pressurizeed step by step by the storage tank of different pressure ratings, after low pressure storage tank internal pressure reduces, middle pressure
After storage tank is to pressurize, middle pressure tank internal pressure reduces, high pressure storage tank pressurizes, and is pressurizeed by the differential pressure step by step between each storage tank,
It ensure that the pressure needed for gas filling process.In filling process, force (forcing) pump, saves electric energy.Meanwhile pressure by
Level increase, ensure that the safety in gas filling process.
From source of the gas to charging line 101 with low pressure supply air line 1301, medium pressure supply pipeline 1401 and high-pressure air feed pipeline
At 1501 tie point, low-voltage emergency block valve 1601, low pressure check valve 1901 are disposed with low pressure supply air line 1301；
The anxious block valve 1701 of middle compression, middle pressure check valve 2001 are disposed with medium pressure supply pipeline 1401；High-pressure air feed pipeline
High pressure emergency block valve 1801, high pressure check valve 2101 are disposed with 1501；Filling is provided with the charging line 101
Loine pressure detection means 501.
Due to said structure, whether the pressure that charging line pressure-detecting device is used in detected target object stores up with low pressure
Tank, middle pressure storage tank, the pressure balance in high pressure storage tank；Check valve and the quick action emergency valve cut-out for being easy to control on each supply air line
Each pipeline supply, while ensure supply safety.
High-voltage safety is also associated with the charging line 101 and diffuses pipeline 2201, the high-voltage safety diffuses pipeline
It is provided with stop valve 2301 and safety valve 2401 on 2201, the high-voltage safety, which diffuses pipeline 2201 and is connected to compressor and concentrates, to be put
Blank pipe；The remaining hydrogen exhaust stack road 301 is also connected to compressor and concentrates blow-down pipe.
Due to said structure, when the hypertonia in charging line, more than safety valve setting safety value when, safety valve is beaten
Open, diffuse the gases at high pressure in charging line, concentrate blow-down pipe to discharge by compressor.Ensure charging line internal pressure just
Often, the security and stability of work is improved.
Described also to include automatic control system with hydrogen recovery function hydrogenation plant, the automatic control system, it is wrapped
Controller is included, charging line pressure-detecting device, charging line flow detector, low-voltage emergency are connected with the controller
Block valve, the anxious block valve of middle compression, high pressure emergency block valve, remaining hydrogen diffusion valve, recovery valve, operation input equipment and screen display
Equipment；The operation input equipment, which is used to input, to be started aerating signal, stops aerating signal, set adding amount Vs, set filling
The amount of money；The screen display equipment is used to show adding amount Vs, the actual adding amount Vj of display, the open and close for filling the amount of money, each valve
State etc..
The valve not being connected in the present embodiment with controller can manually cut-off.Ensure pipeline safety.
The control method of the control system is as follows：
Step 1：Controller receives the beginning aerating signal of operation input equipment input, and controller opens source of the gas, makes source of the gas to mesh
Mark object filling hydrogen；
Wherein, after controller receives the beginning aerating signal of operation input equipment, controller control low-voltage emergency block valve is opened,
The hydrogen in low pressure storage tank is set to be filled after low pressure supply air line, charging line to destination object；Now, charging line flow is examined
Survey the instantaneous delivery value Vd1 that device is used to detect low pressure supply air line（Because low pressure supply air line connects with charging line, so
The flow of charging line is equal to the flow of low pressure supply air line）, when the instantaneous delivery value Vd1 of the low pressure supply air line detected is small
When the setting flow value Vd of the low pressure supply air line set in controller, controller control low-voltage emergency block valve is closed, and is stopped
Only low pressure storage tank supplies to destination object；
Then, compress anxious block valve in controller control to open, make the hydrogen in middle pressure storage tank through medium pressure supply pipeline, filler pipe
Filled behind road to destination object；Now, charging line flow detector is used for the instantaneous delivery value for detecting medium pressure supply pipeline
Vz1（Because medium pressure supply pipeline connects with charging line, so the flow of charging line is equal to the flow of medium pressure supply pipeline）,
When the instantaneous delivery value Vz1 of the medium pressure supply pipeline detected is less than the setting flow of the medium pressure supply pipeline set in controller
Anxious block valve is compressed during value Vz, in controller control to close, and presses storage tank to be supplied to destination object in stopping；
Finally, controller control high pressure emergency block valve is opened, and makes the hydrogen in high pressure storage tank through high-pressure air feed pipeline, filler pipe
Filled behind road to destination object；Now, charging line flow detector is used for the instantaneous delivery value for detecting high-pressure air feed pipeline
Vg1（Because high-pressure air feed pipeline connects with charging line, so the flow of charging line is equal to the flow of high-pressure air feed pipeline）,
When the instantaneous delivery value Vg1 of the high-pressure air feed pipeline detected is less than the setting flow of the high-pressure air feed pipeline set in controller
During value Vg, controller control high pressure emergency block valve is closed, and is stopped high pressure storage tank and is supplied to destination object, filling is completed.
Step 2：After the completion of filling, controller control recovery valve is opened, and the remaining hydrogen in charging line is passed through into remnants
Hydrogen recovery pipe is recycled in remaining hydrogen recycling can；
Wherein, controller control recovery valve is opened, and the remaining hydrogen in charging line is reclaimed by remaining hydrogen recovery pipe
Into remaining hydrogen recycling can；After the pressure duration T for detecting charging line of charging line pressure-detecting device not
Changing, then controller control recovery valve is closed, and remaining hydrogen recovery is completed.
Step 3：After the completion of recovery, controller controls remaining hydrogen diffusion valve to open, by the remaining part in charging line
Remaining hydrogen is diffused by remaining hydrogen exhaust stack road；
Wherein, controller controls remaining hydrogen diffusion valve to open, and the remaining part remnants hydrogen in charging line is passed through into remnants
Hydrogen diffuses pipeline and diffused；When pressure filling loine pressure detection means detects that the pressure of charging line is less than in controller
When diffusing pressure value；Controller controls remaining hydrogen diffusion valve to close, and diffuses completion.
Step 4：When filling again, controller first controls recovery valve to open, by the hydrogen in remaining hydrogen recycling can to mesh
Mark object filling；
Wherein, controller control recovery valve is opened, and the hydrogen in it is filled to destination object, when charging line pressure detecting fills
Do not changing after the pressure duration T2 for detecting charging line put, then controller control recovery valve is closed, remaining hydrogen
Recycling can is filled to destination object and completed.
Step 5：After the completion of remaining hydrogen recycling can fills to destination object, 1 to 4 is repeated the above steps.
Before step 1, first pass through operation input equipment and adding amount Vs is set, controller receives operation input equipment input
Adding amount Vs and store；Or the filling amount of money is set by operating input equipment, controller receives operation input equipment input
The filling amount of money is simultaneously converted into adding amount Vs according to unit price, by adding amount Vs storages in the controller；
In filling process, controller accumulates actual filling value Vj by charging line flow detector, when actual filling value
When Vj is equal to the adding amount Vs of setting in controller, controller control low-voltage emergency block valve, the anxious block valve of middle compression and high pressure
Urgent block valve is closed.
In filling process, after controller receives the stopping aerating signal of operation input equipment；Controller controls low pressure
Urgent block valve, the anxious block valve of middle compression and high pressure emergency block valve are closed, and stop filling.
Embodiment 2
For one kind with remaining hydrogen diffusion function hydrogenation plant, it includes charging line 101, described one end of charging line 101 and gas
Source is connected, and the other end is connected with hydrogenation rifle 201；Remaining hydrogen exhaust stack road 301 is connected with the charging line 101, it is described
Remaining hydrogen diffusion valve 401 is provided with remaining hydrogen exhaust stack road 301.
Remaining hydrogen recovery pipe 901 is connected with the charging line 101, the remaining hydrogen recovery pipe 901 connects
Remaining hydrogen recycling can 10 is connected to, recovery valve 1101 is provided with the remaining hydrogen recovery pipe 901.
Charging line flow detector 601, charging line control valve 701 are provided with charging line 101；The filling
Pipeline 101 is connected by snap joint 8 with hydrogenation rifle 201.
The source of the gas includes low pressure storage tank, middle pressure storage tank, high pressure storage tank, and the low pressure storage tank exit is provided with low pressure confession
Air valve 1201, middle press are provided with medium pressure supply valve 1202 at outlet, and high pressure storage tank exit is provided with high-pressure air feed valve
1203；The low pressure steam supply valve 1201 is connected to charging line 101 by low pressure supply air line 1301；Medium pressure steam supply valve
1202 are connected to charging line 101 by medium pressure supply pipeline 1401；The high-pressure air feed valve 1203 passes through high-pressure air feed pipeline
1501 are connected to charging line 101.
From source of the gas to charging line 101 with low pressure supply air line 1301, medium pressure supply pipeline 1401 and high-pressure air feed pipeline
At 1501 tie point, low-voltage emergency block valve 1601, low pressure check valve 1901 are disposed with low pressure supply air line 1301；
The anxious block valve 1701 of middle compression, middle pressure check valve 2001 are disposed with medium pressure supply pipeline 1401；High-pressure air feed pipeline
High pressure emergency block valve 1801, high pressure check valve 2101 are disposed with 1501；Filling is provided with the charging line 101
Loine pressure detection means 501.
High-voltage safety is also associated with the charging line 101 and diffuses pipeline 2201, the high-voltage safety diffuses pipeline
It is provided with stop valve 2301 and safety valve 2401 on 2201, the high-voltage safety, which diffuses pipeline 2201 and is connected to compressor and concentrates, to be put
Blank pipe；The remaining hydrogen exhaust stack road 301 is also connected to compressor and concentrates blow-down pipe.
In the present embodiment, hydrogenation plant it also include the filling branch road 102 in parallel with charging line 101；The filling branch
Road 102 can be 1,2,3, even more more, and in the present embodiment, filling branch road 102 only has 1, therefore the filling
The one end of branch road 102 is connected to source of the gas, and branch road hydrogenation rifle 202 is connected with the other end；Branch road is connected with the filling branch road 102
Remaining hydrogen exhaust stack road 302, branch road remnants hydrogen diffusion valve 402 is provided with the branch road remnants hydrogen exhaust stacks road 302,
The branch road remnants hydrogen exhaust stacks road 302 is connected to compressor and concentrates blow-down pipe.
Branch road remnants hydrogen recovery pipe 902, the branch road remnants hydrogen recovery pipes are connected with the filling to road
902 are connected to remaining hydrogen recycling can 10, and branch road recovery valve 1102 is provided with the branch road remnants hydrogen recovery pipe 902.
Filling bypass flow detection means 602, filling branch road control valve 702 are provided with filling branch road 102；The filling
Branch road 102 is hydrogenated with rifle 202 with branch road by snap joint and is connected.
The filling branch road 102 is high by branch road low pressure supply air line 1302, branch road medium pressure supply pipeline 1402 and branch road
Pressure supply air line 1502 is connected with source of the gas, wherein, the one end of branch road low pressure supply air line 1302 is connected in parallel on low pressure supply air line 1301
On, between low pressure steam supply valve 1201 and low-voltage emergency block valve 1601；The one end of branch road medium pressure supply pipeline 1402 is connected in parallel on
On medium pressure supply pipeline 1401, between medium pressure supply valve 1202 and the middle anxious block valve 1701 of compression；Branch road high-pressure air feed pipe
The one end of road 1502 is connected in parallel on low pressure supply air line 1301, positioned at high-pressure air feed valve 1203 and high pressure emergency block valve 1801 it
Between；
From source of the gas to filling branch road 102 and branch road low pressure supply air line 1302, branch road medium pressure supply pipeline 1402 and branch road high pressure
At the tie point of supply air line 1502, branch road low-voltage emergency block valve is disposed with branch road low pressure supply air line 1302
1602nd, branch road low pressure check valve 1902；It is disposed with branch road medium pressure supply pipeline 1402 in branch road and compresses anxious block valve
1702nd, check valve 2002 is pressed in branch road；Branch road high pressure emergency block valve is disposed with branch road high-pressure air feed pipeline 1502
1802nd, branch road high pressure check valve 2102；
Filling branch pressure detection means 502 is provided with the filling branch road 102.
Branch road high-voltage safety is also associated with the filling branch road 102 and diffuses pipeline 2202, and the branch road high-voltage safety is put
Branch road stop valve 2302 and branch road safety valve 2402 are provided with separate tube road 2202, the branch road high-voltage safety diffuses pipeline 2202
It is connected to compressor and concentrates blow-down pipe.
It is described also to include automatic control system, the automatic control with hydrogen recovery function hydrogenation plant in the present embodiment
System processed, it includes controller, and charging line pressure-detecting device, charging line flow detection dress are connected with the controller
Put, low-voltage emergency block valve, middle to compress anxious block valve, high pressure emergency block valve, remaining hydrogen diffusion valve, recovery valve, operation defeated
Enter equipment and screen display equipment；The operation input equipment, which is used to input, to be started aerating signal, stops aerating signal, sets filling
Amount, the filling amount of money is set；The screen display equipment is used to showing that adding amount, the actual adding amount of display, the filling amount of money, each valve to be opened
Open closed mode etc..
It is also associated with filling branch pressure detection means, filler pipe bypass flow detection means, branch road on the controller
Anxious block valve, branch road high pressure emergency block valve, branch road remnants hydrogen diffusion valve and branch road are compressed in low-voltage emergency block valve, branch road
Recovery valve.
In the present embodiment, the hydrogenation plant can be that two destination objects are filled.
In the present embodiment, the control method step of automatic control system is as follows：
Step 1：Controller receive operation input equipment input beginning aerating signal one, controller open source of the gas, make source of the gas to
Destination object one fills hydrogen；And/or controller receives the beginning aerating signal two of operation input equipment input, controller is opened
Source of the gas, source of the gas is set to fill hydrogen to destination object two；
Step 2：After the completion of filling, controller control recovery valve is opened, and the remaining hydrogen in charging line is passed through into remaining hydrogen
Recovery pipe is recycled in remaining hydrogen recycling can；It is residual in branch road by filling and/or controller controlling brancher recovery valve is opened
Remaining hydrogen is recycled in remaining hydrogen recycling can by branch road remnants hydrogen recovery pipes；
Step 3：After the completion of recovery, controller controls remaining hydrogen diffusion valve to open, and the remaining part in charging line is remaining
Hydrogen is diffused by remaining hydrogen exhaust stack road；And/or controller controlling brancher remnants hydrogen diffusion valve is opened, and will fill branch road
In remaining part remnants hydrogen diffused by branch road remnants hydrogen exhaust stacks road；
Step 4：When filling again, controller first controls recovery valve to open, by the hydrogen in remaining hydrogen recycling can to target pair
As a filling；And/or controller controlling brancher recovery valve is opened, the hydrogen in remaining hydrogen recycling can is added to destination object two
Note；
Step 5：After the completion of remaining hydrogen recycling can fills to destination object one and/or destination object two, repeat the above steps 1 to
4。
In step 1, after controller receives the beginning aerating signal one of operation input equipment, controller control low-voltage emergency
Block valve is opened, and the hydrogen in low pressure storage tank is filled after low pressure supply air line, charging line to destination object one；Now,
Charging line flow detector is used for the instantaneous delivery value Vd1 for detecting low pressure supply air line, when the low pressure air supply pipe detected
When the instantaneous delivery value Vd1 on road is less than the setting flow value Vd of the low pressure supply air line of setting in controller, controller control is low
Compress anxious block valve to close, stop low pressure storage tank and supplied to destination object；
And/or after controller receives the beginning aerating signal two of operation input equipment, controller controlling brancher low-voltage emergency blocks
Valve is opened, and the hydrogen in branch road low pressure storage tank is filled after branch road low pressure supply air line, filling branch road to destination object two；This
When, filling bypass flow detection means is used for the instantaneous delivery value Vd2 of detection branch low pressure supply air line, when the branch road detected
When the instantaneous delivery value Vd2 of low pressure supply air line is less than the setting flow value Vd of the low pressure supply air line of setting in controller, control
Device controlling brancher low-voltage emergency block valve processed is closed, and is stopped low pressure storage tank and is supplied to destination object；
Then, compress anxious block valve in controller control to open, make the hydrogen in middle pressure storage tank through medium pressure supply pipeline, filler pipe
Filled behind road to destination object one；Now, charging line flow detector is used for the instantaneous delivery for detecting medium pressure supply pipeline
Value Vz1, when the instantaneous delivery value Vz1 of the medium pressure supply pipeline detected is less than setting for the medium pressure supply pipeline set in controller
Anxious block valve is compressed during constant current value Vz, in controller control to close, and presses storage tank to be supplied to destination object one in stopping；
And/or anxious block valve is compressed in controller controlling brancher and is opened, make the hydrogen in middle pressure storage tank through branch road medium pressure supply pipe
Filled after road, filling branch road to destination object two；Now, filling bypass flow detection means is used for detection branch medium pressure supply pipe
The instantaneous delivery value Vz2 on road, when the instantaneous delivery value Vz2 of the branch road medium pressure supply pipeline detected is less than what is set in controller
During the setting flow value Vz of medium pressure supply pipeline, anxious block valve is compressed in controller controlling brancher and is closed, pressed in stopping storage tank to
Destination object supplies；
Finally, controller control high pressure emergency block valve is opened, and makes the hydrogen in high pressure storage tank through high-pressure air feed pipeline, filler pipe
Filled behind road to destination object one；Now, charging line flow detector is used for the instantaneous delivery for detecting high-pressure air feed pipeline
Value Vg1, when the instantaneous delivery value Vg1 of the high-pressure air feed pipeline detected is less than setting for the high-pressure air feed pipeline set in controller
During constant current value Vg, controller control high pressure emergency block valve is closed, and is stopped high pressure storage tank and is supplied to destination object one, has been filled
Into.
And/or controller controlling brancher high pressure emergency block valve is opened, the hydrogen in high pressure storage tank is set to be supplied through branch road high pressure
Filled after air pipe, filling branch road to destination object two；Now, bypass flow detection means is filled to supply for detection branch high pressure
The instantaneous delivery value Vg1 of air pipe, set when the instantaneous delivery value Vg1 of the branch road high-pressure air feed pipeline detected is less than in controller
During the setting flow value Vg of fixed high-pressure air feed pipeline, controller controlling brancher high pressure emergency block valve is closed, and stops high pressure storage
Tank is supplied to destination object two, and filling is completed.
In step 2, controller control recovery valve is opened, and the remaining hydrogen in charging line is reclaimed by remaining hydrogen
Pipeline is recycled in remaining hydrogen recycling can；When the pressure for detecting charging line of charging line pressure-detecting device continues
Between do not changing after T11, then controller control recovery valve is closed, and remaining hydrogen recovery is completed.
And/or controller controlling brancher recovery valve is opened, the remaining hydrogen filled in branch road is passed through into branch road remnants hydrogen
Recovery pipe is recycled in remaining hydrogen recycling can；When the pressure for detecting charging line of filling branch pressure detection means is held
Do not changing after continuous time T12, then controller controlling brancher recovery valve is closed, and remaining hydrogen recovery is completed.
In step 3, controller controls remaining hydrogen diffusion valve to open, by the remaining part remnants hydrogen in charging line
Diffused by remaining hydrogen exhaust stack road；When pressure filling loine pressure detection means detects that the pressure of charging line is less than control
In device processed when diffusing pressure value；Controller controls remaining hydrogen diffusion valve to close, and diffuses completion；
And/or controller controlling brancher remnants hydrogen diffusion valve is opened, the remaining part remnants hydrogen filled in branch road is passed through
Diffuse on branch road remnants hydrogen exhaust stacks road；When filling branch pressure detection means detects that the pressure of filling branch road is less than controller
It is interior when diffusing pressure value；Controller controlling brancher remnants hydrogen diffusion valve is closed, and diffuses completion.
In step 4, controller control recovery valve is opened, and the hydrogen in it is filled to destination object one, works as filler pipe
Road pressure-detecting device is not changing after detecting the pressure duration T21 of charging line, then controller control recovery valve closes
Close, remaining hydrogen recycling can is filled to destination object one and completed；
Controller controlling brancher recovery valve is opened, and the hydrogen in it is filled to destination object two, when filling branch pressure detection
Device is not changing after detecting the pressure duration T22 of filling branch road, then controller controlling brancher recovery valve is closed, remaining
Hydrogen recycling can is filled to destination object two and completed.
Before step 1, the adding amount Vs1 that operation input equipment sets destination object one is first passed through, controller receives behaviour
Make the adding amount Vs1 of input equipment input and store；Or the filling amount of money of destination object one is set by operating input equipment, control
Device processed receives the filling amount of money of operation input equipment input and is converted into adding amount Vs1 according to unit price, and adding amount Vs1 is stored in
In controller；In filling process, controller accumulates actual filling value Vj1 by charging line flow detector, works as reality
When filling value Vj1 is equal to the adding amount Vs of setting in controller, controller control low-voltage emergency block valve, the middle anxious block valve of compression
Closed with high pressure emergency block valve；
And/or the adding amount Vs2 of destination object two is set by operating input equipment, controller receives operation input equipment input
Adding amount Vs2 and store；Or the filling amount of money of destination object two is set by operating input equipment, it is defeated that controller receives operation
Enter the filling amount of money of equipment input and adding amount Vs2 is converted into according to unit price, by adding amount Vs2 storages in the controller；Adding
During note, controller accumulates actual filling value Vj2 by charging line flow detector, when actual filling value Vj2 is equal to
In controller during the adding amount Vs2 of setting, anxious block valve and branch are compressed in controller controlling brancher low-voltage emergency block valve, branch road
Road high pressure emergency block valve is closed.
In filling process, after controller receives stopping aerating signal one of operation input equipment；Controller control is low
Compress anxious block valve, the anxious block valve of middle compression and high pressure emergency block valve to close, stop the filling to destination object one.
In filling process, after controller receives stopping aerating signal two of operation input equipment；Controller control branch
Anxious block valve and branch road high pressure emergency block valve is compressed in road low-voltage emergency block valve, branch road to close, and is stopped to destination object two
Filling.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. automatic control system with hydrogen recovery function hydrogenation plant, it is characterised in that：It includes controller, the control It is anxious that charging line pressure-detecting device, charging line flow detector, low-voltage emergency block valve, middle compression are connected with device processed Block valve, high pressure emergency block valve, remaining hydrogen diffusion valve, recovery valve, operation input equipment and screen display equipment.
- 2. the automatic control system according to claim 1 with hydrogen recovery function hydrogenation plant, it is characterised in that：It is described Filling branch pressure detection means, filler pipe bypass flow detection means, branch road low-voltage emergency is also associated with controller to block Anxious block valve, branch road high pressure emergency block valve, branch road remnants hydrogen diffusion valve and branch road recovery valve are compressed in valve, branch road.
- A kind of 3. autocontrol method of band remnants hydrogen diffusion function hydrogenation plant, it is characterised in that：Step 1：Controller receives the beginning aerating signal of operation input equipment input, and controller opens source of the gas, makes source of the gas to mesh Mark object filling hydrogen；Step 2：After the completion of filling, controller control recovery valve is opened, and the remaining hydrogen in charging line is passed through into remaining hydrogen Recovery pipe is recycled in remaining hydrogen recycling can；Step 3：After the completion of recovery, controller controls remaining hydrogen diffusion valve to open, and the remaining part in charging line is remaining Hydrogen is diffused by remaining hydrogen exhaust stack road；Step 4：When filling again, controller first controls recovery valve to open, by the hydrogen in remaining hydrogen recycling can to target pair As filling；Step 5：After the completion of remaining hydrogen recycling can fills to destination object, 1 to 4 is repeated the above steps.
- 4. band remnants hydrogen diffusion function hydrogenation plant according to claim 3, it is characterised in that：In step 1, after controller receives the beginning aerating signal of operation input equipment, controller control low-voltage emergency block valve Open, the hydrogen in low pressure storage tank is filled after low pressure supply air line, charging line to destination object；Now, charging line Flow detector is used to detect the instantaneous delivery value Vd1 of low pressure supply air line, instantaneous when the low pressure supply air line detected When flow value Vd1 is less than the setting flow value Vd of the low pressure supply air line of setting in controller, controller control low-voltage emergency is cut Disconnected valve is closed, and is stopped low pressure storage tank and is supplied to destination object；Then, compress anxious block valve in controller control to open, make the hydrogen in middle pressure storage tank through medium pressure supply pipeline, filler pipe Filled behind road to destination object；Now, charging line flow detector is used for the instantaneous delivery value for detecting medium pressure supply pipeline Vz1, when the instantaneous delivery value Vz1 of the medium pressure supply pipeline detected is less than the setting of the medium pressure supply pipeline set in controller Anxious block valve is compressed during flow value Vz, in controller control to close, and presses storage tank to be supplied to destination object in stopping；Finally, controller control high pressure emergency block valve is opened, and makes the hydrogen in high pressure storage tank through high-pressure air feed pipeline, filler pipe Filled behind road to destination object；Now, charging line flow detector is used for the instantaneous delivery value for detecting high-pressure air feed pipeline Vg1, when the instantaneous delivery value Vg1 of the high-pressure air feed pipeline detected is less than the setting of the high-pressure air feed pipeline set in controller During flow value Vg, controller control high pressure emergency block valve is closed, and is stopped high pressure storage tank and is supplied to destination object, filling is completed.
- 5. band remnants hydrogen diffusion function hydrogenation plant according to claim 3, it is characterised in that：In step 2, controller control recovery valve is opened, and the remaining hydrogen in charging line is passed through into remaining hydrogen recovery pipe It is recycled in remaining hydrogen recycling can；As the pressure duration T for detecting charging line of charging line pressure-detecting device Do not changing afterwards, then controller control recovery valve is closed, and remaining hydrogen recovery is completed.
- 6. band remnants hydrogen diffusion function hydrogenation plant according to claim 3, it is characterised in that：In step 3, controller controls remaining hydrogen diffusion valve to open, and the remaining part remnants hydrogen in charging line is passed through Diffuse on remaining hydrogen exhaust stack road；When pressure filling loine pressure detection means detects that the pressure of charging line is less than controller It is interior when diffusing pressure value；Controller controls remaining hydrogen diffusion valve to close, and diffuses completion.
- 7. band remnants hydrogen diffusion function hydrogenation plant according to claim 3, it is characterised in that：In step 4, controller control recovery valve is opened, and the hydrogen in it is filled to destination object, when charging line pressure Do not changing after the pressure duration T2 for detecting charging line of detection means, then controller control recovery valve is closed, residual Remaining hydrogen recycling can is filled to destination object and completed.
- 8. the autocontrol method of band remnants hydrogen diffusion function hydrogenation plant according to claim 3, it is characterised in that： Before step 1, first pass through operation input equipment and adding amount Vs is set, controller receives the adding amount of operation input equipment input Vs is simultaneously stored；Or the filling amount of money is set by operating input equipment, controller receives the filling amount of money of operation input equipment input And adding amount Vs is converted into according to unit price, by adding amount Vs storages in the controller；In filling process, controller passes through filling Piping flow detection means accumulates actual filling value Vj, when actual filling value Vj is equal to the adding amount Vs set in controller, Controller control low-voltage emergency block valve, the anxious block valve of middle compression and high pressure emergency block valve are closed.
- 9. the autocontrol method of band remnants hydrogen diffusion function hydrogenation plant according to claim 9, it is characterised in that： In filling process, after controller receives the stopping aerating signal of operation input equipment；Controller control low-voltage emergency blocks Valve, the anxious block valve of middle compression and high pressure emergency block valve are closed, and stop filling.
- A kind of 10. autocontrol method of band remnants hydrogen diffusion function hydrogenation plant, it is characterised in that：Step 1：Controller receive operation input equipment input beginning aerating signal one, controller open source of the gas, make source of the gas to Destination object one fills hydrogen；And/or controller receives the beginning aerating signal two of operation input equipment input, controller is opened Source of the gas, source of the gas is set to fill hydrogen to destination object two；Step 2：After the completion of filling, controller control recovery valve is opened, and the remaining hydrogen in charging line is passed through into remaining hydrogen Recovery pipe is recycled in remaining hydrogen recycling can；It is residual in branch road by filling and/or controller controlling brancher recovery valve is opened Remaining hydrogen is recycled in remaining hydrogen recycling can by branch road remnants hydrogen recovery pipes；Step 3：After the completion of recovery, controller controls remaining hydrogen diffusion valve to open, and the remaining part in charging line is remaining Hydrogen is diffused by remaining hydrogen exhaust stack road；And/or controller controlling brancher remnants hydrogen diffusion valve is opened, and will fill branch road In remaining part remnants hydrogen diffused by branch road remnants hydrogen exhaust stacks road；Step 4：When filling again, controller first controls recovery valve to open, by the hydrogen in remaining hydrogen recycling can to target pair As a filling；And/or controller controlling brancher recovery valve is opened, the hydrogen in remaining hydrogen recycling can is added to destination object two Note；Step 5：After the completion of remaining hydrogen recycling can fills to destination object one and/or destination object two, repeat the above steps 1 to 4。
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Application publication date: 20180112 |