CN112783114A - Method and system for one-key starting hydrogen pump sequential control of hydrogen water-ring compressor - Google Patents
Method and system for one-key starting hydrogen pump sequential control of hydrogen water-ring compressor Download PDFInfo
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- CN112783114A CN112783114A CN202011446714.7A CN202011446714A CN112783114A CN 112783114 A CN112783114 A CN 112783114A CN 202011446714 A CN202011446714 A CN 202011446714A CN 112783114 A CN112783114 A CN 112783114A
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 172
- 239000001257 hydrogen Substances 0.000 title claims abstract description 172
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 172
- 238000000034 method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000005406 washing Methods 0.000 claims abstract description 25
- 230000000087 stabilizing effect Effects 0.000 claims description 28
- 230000001276 controlling effect Effects 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 20
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 238000010926 purge Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000012163 sequencing technique Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41845—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by system universality, reconfigurability, modularity
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/33—Director till display
- G05B2219/33273—DCS distributed, decentralised controlsystem, multiprocessor
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Materials Engineering (AREA)
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- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
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- General Physics & Mathematics (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a method for one-key starting hydrogen pump sequential control of a hydrogen water ring compressor, which comprises the following steps: s1, detecting the current sum of the three-phase device and enabling the current sum to be within a preset value, enabling the parameters of the hydrogen pumps to be in preset values, and enabling the opening degrees of a return valve, an emptying valve and an adjusting valve in each hydrogen pump to be within a preset range; s2, after the hydrogen pump and the water ring pump are started by one key, the vent valve of the washing tower is closed, whether the state feedback of the vent cut valve of the washing tower is closed or not is judged, when the state feedback of the vent cut valve is closed, the second hydrogen pump is adjusted to be in a manual state, and the first hydrogen pump is adjusted to be in an automatic state; and further judging whether the pressure in the hydrogen pump is more than 75KPa, and judging that at least two of the water ring pumps are in the running state: the invention can realize one-key start of the hydrogen pump and the water ring pump, so that the hydrogen pump and the water ring pump can automatically switch the states, and the pressure of the hydrogen pump and the opening of the automatic control valve in the hydrogen pump can be automatically adjusted; the unified monitoring of a plurality of hydrogen pumps and a plurality of water ring pumps is realized.
Description
Technical Field
The invention relates to the technical field of hydrogen pump control, in particular to a method and a system for one-key starting of a hydrogen pump sequence control of a hydrogen water ring compressor.
Background
Aiming at the 4.0 propelling scheme of the company industry, the hydrogen water ring compressor of the chlorine-hydrogen workshop needs to be modified so as to achieve the aim of one-key starting.
At present, the water ring pump is operated by manually starting and stopping, and manual adjustment is needed on the spot when the fluctuation is large; through transforming, the operating mode is confirmed to the field outer operation, and in addition, a plurality of water ring pumps and a plurality of hydrogen pumps all are independent control, need establish a plurality of DCS picture control.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, the present invention provides a method for controlling a hydrogen pump sequence by starting a hydrogen pump with one key in a hydrogen-water ring compressor.
The technical scheme adopted for solving the technical problems is a method for controlling the hydrogen pump sequence by starting the hydrogen pump by one key of the hydrogen water ring compressor, which comprises the following steps:
s1, detecting the current sum of the three-phase device and enabling the current sum to be within a preset value, enabling the parameters of the hydrogen pumps to be in preset values, and enabling the opening degrees of a return valve, an emptying valve and an adjusting valve in each hydrogen pump to be within a preset range; the plurality of hydrogen pumps includes a first hydrogen pump and a second hydrogen pump;
s2, after the hydrogen pump and the water ring pump are started by one key, the purge valve of the washing tower is closed, whether the state feedback of the purge cut valve of the washing tower is closed or not is judged, and if not, the pump is stopped in an interlocking manner; if so, adjusting the second hydrogen pump to be in a manual state, and adjusting the first hydrogen pump to be in an automatic state;
s3, when the state of the washing tower emptying cut-off valve is closed, further judging whether the pressure in the hydrogen pump is more than 75KPa, and judging that at least two of the water ring pumps are in the running state:
if so, adjusting the inlet pressure of the hydrogen pump and stabilizing the pressure at 1.5KPa for 2 minutes, and controlling the outlet pressure of the hydrogen pump to be equal to the outlet pressure of the gas-liquid separator of the hydrogen pump and stabilizing the outlet pressure for 2 minutes; regulating the automatic control valve to be in a manual state and slowly opening the automatic control valve at the speed of 1%/3S; when the opening of the automatic control valve is larger than 50%, the automatic control valve is controlled to be slowly closed to 0 at the speed of 1%/S;
if not, adjusting the inlet pressure of the hydrogen pump and stabilizing the pressure at 1.5KPa for 2 minutes, and controlling the outlet pressure of the hydrogen pump to be equal to the outlet pressure of the gas-liquid separator of the hydrogen pump and stabilizing the outlet pressure for 2 minutes; regulating the automatic control valve to be in a manual state and slowly opening the automatic control valve at the speed of 1%/3S; when the opening degree of the automatic control valve is larger than 50%, the automatic control valve is controlled to be slowly closed to 0 at the speed of 1%/S, and the pressure of the hydrogen pump is set to be 75 Kpa.
Preferably, in S1, the three-phase device current sum is between 45KA and 65 KA.
Preferably, in S1, when the parameters of the plurality of hydrogen pumps are adjusted, the hydrogen pump inlet is set to 1Kpa or higher and the gas-liquid separator liquid level is set to 45% to 55%.
Preferably, in S2, when the second hydrogen pump is adjusted to be in the "manual" state, the total current is electrolyzed for three periods with the MV value K coefficient.
A system for key-start hydrogen pump sequencing for a hydrogen-in-water ring compressor, comprising:
the detection module is used for detecting the current sum of the three-phase device and enabling the current sum to be within a preset value, enabling the parameters of the hydrogen pumps to be within the preset value, and enabling the opening degrees of the return valve, the emptying valve and the regulating valve in each hydrogen pump to be within a preset range; the plurality of hydrogen pumps includes a first hydrogen pump and a second hydrogen pump;
the control module prompts the washing tower emptying valve to be closed after the hydrogen pump and the water ring pump are started by one key, judges whether the state feedback of the washing tower emptying cut-off valve is closed or not, and interlocks and stops the pump if the state feedback of the washing tower emptying cut-off valve is not closed; if so, adjusting the second hydrogen pump to be in a manual state, and adjusting the first hydrogen pump to be in an automatic state;
and the judgment module is used for judging whether the pressure in the hydrogen pump is more than 75KPa when the state of the emptying cut-off valve of the washing tower is closed, and judging that at least two of the water ring pumps are in an operating state:
if so, adjusting the inlet pressure of the hydrogen pump and stabilizing the pressure at 1.5KPa for 2 minutes, and controlling the outlet pressure of the hydrogen pump to be equal to the outlet pressure of the gas-liquid separator of the hydrogen pump and stabilizing the outlet pressure for 2 minutes; regulating the automatic control valve to be in a manual state and slowly opening the automatic control valve at the speed of 1%/3S; when the opening of the automatic control valve is larger than 50%, the automatic control valve is controlled to be slowly closed to 0 at the speed of 1%/S;
if not, adjusting the inlet pressure of the hydrogen pump and stabilizing the pressure at 1.5KPa for 2 minutes, and controlling the outlet pressure of the hydrogen pump to be equal to the outlet pressure of the gas-liquid separator of the hydrogen pump and stabilizing the outlet pressure for 2 minutes; regulating the automatic control valve to be in a manual state and slowly opening the automatic control valve at the speed of 1%/3S; when the opening degree of the automatic control valve is larger than 50%, the automatic control valve is controlled to be slowly closed to 0 at the speed of 1%/S, and the pressure of the hydrogen pump is set to be 75 Kpa.
The invention can realize one-key start of the hydrogen pump and the water ring pump, so that the hydrogen pump and the water ring pump can automatically switch the states, and the pressure of the hydrogen pump and the opening of the automatic control valve in the hydrogen pump can be automatically adjusted; the unified monitoring of a plurality of hydrogen pumps and a plurality of water ring pumps is realized.
Drawings
Fig. 1 is a schematic main flow chart of a method for controlling a hydrogen pump by key start of a hydrogen-gas-water ring compressor disclosed in embodiment 1.
Fig. 2 is a sub-flow schematic diagram of a method for one-key start hydrogen pump sequence control of a hydrogen-gas water-ring compressor disclosed in embodiment 1.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Referring to fig. 1-2, the present invention discloses a method and system for one-key starting hydrogen pump sequence control of a hydrogen-water ring compressor;
example 1
A method for one-key starting hydrogen pump sequential control of a hydrogen water ring compressor comprises the following steps:
s1, detecting the current sum of the three-phase device and enabling the current sum to be within a preset value, enabling the parameters of the hydrogen pumps to be in preset values, and enabling the opening degrees of a return valve, an emptying valve and an adjusting valve in each hydrogen pump to be within a preset range; the plurality of hydrogen pumps includes a first hydrogen pump and a second hydrogen pump;
s2, after the hydrogen pump and the water ring pump are started by one key, the purge valve of the washing tower is closed, whether the state feedback of the purge cut valve of the washing tower is closed or not is judged, and if not, the pump is stopped in an interlocking manner; if so, adjusting the second hydrogen pump to be in a manual state, and adjusting the first hydrogen pump to be in an automatic state;
s3, when the state of the washing tower emptying cut-off valve is closed, further judging whether the pressure in the hydrogen pump is more than 75KPa, and judging that at least two of the water ring pumps are in the running state:
if so, adjusting the inlet pressure of the hydrogen pump and stabilizing the pressure at 1.5KPa for 2 minutes, and controlling the outlet pressure of the hydrogen pump to be equal to the outlet pressure of the gas-liquid separator of the hydrogen pump and stabilizing the outlet pressure for 2 minutes; regulating the automatic control valve to be in a manual state and slowly opening the automatic control valve at the speed of 1%/3S; when the opening of the automatic control valve is larger than 50%, the automatic control valve is controlled to be slowly closed to 0 at the speed of 1%/S;
if not, adjusting the inlet pressure of the hydrogen pump and stabilizing the pressure at 1.5KPa for 2 minutes, and controlling the outlet pressure of the hydrogen pump to be equal to the outlet pressure of the gas-liquid separator of the hydrogen pump and stabilizing the outlet pressure for 2 minutes; regulating the automatic control valve to be in a manual state and slowly opening the automatic control valve at the speed of 1%/3S; when the opening degree of the automatic control valve is larger than 50%, the automatic control valve is controlled to be slowly closed to 0 at the speed of 1%/S, and the pressure of the hydrogen pump is set to be 75 Kpa.
In the method for controlling the hydrogen pump sequence in the hydrogen water ring compressor by one-key starting, before the one-key starting, the preparation work of one-key starting is needed; turning ON an electrical signal of the hot standby; the sum of the currents of the devices in the third period is more than or equal to 45KA and less than 65 KA; the inlet pressure of the hydrogen pump is more than or equal to 1 Kpa; switching ON a motor for driving a hydrogen pump and displaying as ON; the emergency stop button is reset to display ON; the scrubber vent valve is shown as ON; the electric heating signal is displayed as OFF; the liquid level of the gas-liquid separator is 45-55 percent. Starting a hydrogen pump and a water ring pump by one key, prompting to close a washing tower emptying stop valve, judging whether the feedback of the washing tower emptying stop valve is 'off' or not through a judging module, interlocking and stopping the pump when the feedback is 'off', and setting a return valve in a first hydrogen pump to be 'manual' when the feedback is 'off', and slowly closing the pump at the speed of 1%/3S by taking the MV value as the K coefficient and the three-stage electrolysis total current as the target (the K coefficient is led out and adjusted); the return valve in the first hydrogen pump was set to "automatic" and the set pressure was 1.5 KPa.
Whether the pressures in the first hydrogen pump and the second hydrogen pump are both larger than 70Kpa is judged by the judging module, and at least 2 running signals in 5 water ring pumps are 'running':
if so, adjusting the inlet pressure of the hydrogen pump and stabilizing the pressure at 1.5KPa for 2 minutes, and controlling the outlet pressure of the hydrogen pump to be equal to the outlet pressure of the gas-liquid separator of the hydrogen pump and stabilizing the outlet pressure for 2 minutes; regulating the automatic control valve to be in a manual state and slowly opening the automatic control valve at the speed of 1%/3S; when the opening of the automatic control valve is larger than 50%, the automatic control valve is controlled to be slowly closed to 0 at the speed of 1%/S; and finishing the work of the first hydrogen pump and the second hydrogen pump.
If not, adjusting the inlet pressure of the hydrogen pump and stabilizing the pressure at 1.5KPa for 2 minutes, and controlling the outlet pressure of the hydrogen pump to be equal to the outlet pressure of the gas-liquid separator of the hydrogen pump and stabilizing the outlet pressure for 2 minutes; regulating the automatic control valve to be in a manual state and slowly opening the automatic control valve at the speed of 1%/3S; and when the opening degree of the automatic control valve is more than 50%, controlling the automatic control valve to be slowly closed to 0 at the speed of 1%/S, setting the pressure of the hydrogen pump to be 75KPa, and finishing the work execution of the first hydrogen pump and the second hydrogen pump.
Example 2
A system for key-start hydrogen pump sequencing for a hydrogen-in-water ring compressor, comprising:
the detection module is used for detecting the current sum of the three-phase device and enabling the current sum to be within a preset value, enabling the parameters of the hydrogen pumps to be within the preset value, and enabling the opening degrees of the return valve, the emptying valve and the regulating valve in each hydrogen pump to be within a preset range; the plurality of hydrogen pumps includes a first hydrogen pump and a second hydrogen pump;
the control module prompts the washing tower emptying valve to be closed after the hydrogen pump and the water ring pump are started by one key, judges whether the state feedback of the washing tower emptying cut-off valve is closed or not, and interlocks and stops the pump if the state feedback of the washing tower emptying cut-off valve is not closed; if so, adjusting the second hydrogen pump to be in a manual state, and adjusting the first hydrogen pump to be in an automatic state;
and the judgment module is used for judging whether the pressure in the hydrogen pump is more than 75KPa when the state of the emptying cut-off valve of the washing tower is closed, and judging that at least two of the water ring pumps are in an operating state:
if so, adjusting the inlet pressure of the hydrogen pump and stabilizing the pressure at 1.5KPa for 2 minutes, and controlling the outlet pressure of the hydrogen pump to be equal to the outlet pressure of the gas-liquid separator of the hydrogen pump and stabilizing the outlet pressure for 2 minutes; regulating the automatic control valve to be in a manual state and slowly opening the automatic control valve at the speed of 1%/3S; when the opening of the automatic control valve is larger than 50%, the automatic control valve is controlled to be slowly closed to 0 at the speed of 1%/S;
if not, adjusting the inlet pressure of the hydrogen pump and stabilizing the pressure at 1.5KPa for 2 minutes, and controlling the outlet pressure of the hydrogen pump to be equal to the outlet pressure of the gas-liquid separator of the hydrogen pump and stabilizing the outlet pressure for 2 minutes; regulating the automatic control valve to be in a manual state and slowly opening the automatic control valve at the speed of 1%/3S; when the opening degree of the automatic control valve is larger than 50%, the automatic control valve is controlled to be slowly closed to 0 at the speed of 1%/S, and the pressure of the hydrogen pump is set to be 75 Kpa.
The invention can realize one-key start of the hydrogen pump and the water ring pump, so that the hydrogen pump and the water ring pump can automatically switch the states, and the pressure of the hydrogen pump and the opening of the automatic control valve in the hydrogen pump can be automatically adjusted; the unified monitoring of a plurality of hydrogen pumps and a plurality of water ring pumps is realized.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (5)
1. A method for controlling a hydrogen pump sequence by starting a hydrogen water ring compressor by one key is characterized by comprising the following steps:
s1, detecting the current sum of the three-phase device and enabling the current sum to be within a preset value, enabling the parameters of the hydrogen pumps to be in preset values, and enabling the opening degrees of a return valve, an emptying valve and an adjusting valve in each hydrogen pump to be within a preset range; the plurality of hydrogen pumps includes a first hydrogen pump and a second hydrogen pump;
s2, after the hydrogen pump and the water ring pump are started by one key, the purge valve of the washing tower is closed, whether the state feedback of the purge cut valve of the washing tower is closed or not is judged, and if not, the pump is stopped in an interlocking manner; if so, adjusting the second hydrogen pump to be in a manual state, and adjusting the first hydrogen pump to be in an automatic state;
s3, when the state of the washing tower emptying cut-off valve is closed, further judging whether the pressure in the hydrogen pump is more than 75KPa, and judging that at least two of the water ring pumps are in the running state:
if so, adjusting the inlet pressure of the hydrogen pump and stabilizing the pressure at 1.5KPa for 2 minutes, and controlling the outlet pressure of the hydrogen pump to be equal to the outlet pressure of the gas-liquid separator of the hydrogen pump and stabilizing the outlet pressure for 2 minutes; regulating the automatic control valve to be in a manual state and slowly opening the automatic control valve at the speed of 1%/3S; when the opening of the automatic control valve is larger than 50%, the automatic control valve is controlled to be slowly closed to 0 at the speed of 1%/S;
if not, adjusting the inlet pressure of the hydrogen pump and stabilizing the pressure at 1.5KPa for 2 minutes, and controlling the outlet pressure of the hydrogen pump to be equal to the outlet pressure of the gas-liquid separator of the hydrogen pump and stabilizing the outlet pressure for 2 minutes; regulating the automatic control valve to be in a manual state and slowly opening the automatic control valve at the speed of 1%/3S; when the opening degree of the automatic control valve is larger than 50%, the automatic control valve is controlled to be slowly closed to 0 at the speed of 1%/S, and the pressure of the hydrogen pump is set to be 75 Kpa.
2. The method of claim 1, wherein in S1, the sum of the three-phase device currents is between 45KA and 65 KA.
3. The method of claim 1, wherein in step S1, when parameters of the hydrogen pump are adjusted, the inlet of the hydrogen pump is greater than or equal to 1Kpa, and the liquid level of the gas-liquid separator is 45% -55%.
4. The method of claim 1, wherein in step S2, when the second hydrogen pump is adjusted to be in a "manual" state, the total current is electrolyzed for three periods with an MV of K.
5. A system for controlling a hydrogen pump sequence by starting a hydrogen pump with one key of a hydrogen water ring compressor is characterized by comprising:
the detection module is used for detecting the current sum of the three-phase device and enabling the current sum to be within a preset value, enabling the parameters of the hydrogen pumps to be within the preset value, and enabling the opening degrees of the return valve, the emptying valve and the regulating valve in each hydrogen pump to be within a preset range; the plurality of hydrogen pumps includes a first hydrogen pump and a second hydrogen pump;
the control module prompts the washing tower emptying valve to be closed after the hydrogen pump and the water ring pump are started by one key, judges whether the state feedback of the washing tower emptying cut-off valve is closed or not, and interlocks and stops the pump if the state feedback of the washing tower emptying cut-off valve is not closed; if so, adjusting the second hydrogen pump to be in a manual state, and adjusting the first hydrogen pump to be in an automatic state;
and the judgment module is used for judging whether the pressure in the hydrogen pump is more than 75KPa when the state of the emptying cut-off valve of the washing tower is closed, and judging that at least two of the water ring pumps are in an operating state:
if so, adjusting the inlet pressure of the hydrogen pump and stabilizing the pressure at 1.5KPa for 2 minutes, and controlling the outlet pressure of the hydrogen pump to be equal to the outlet pressure of the gas-liquid separator of the hydrogen pump and stabilizing the outlet pressure for 2 minutes; regulating the automatic control valve to be in a manual state and slowly opening the automatic control valve at the speed of 1%/3S; when the opening of the automatic control valve is larger than 50%, the automatic control valve is controlled to be slowly closed to 0 at the speed of 1%/S;
if not, adjusting the inlet pressure of the hydrogen pump and stabilizing the pressure at 1.5KPa for 2 minutes, and controlling the outlet pressure of the hydrogen pump to be equal to the outlet pressure of the gas-liquid separator of the hydrogen pump and stabilizing the outlet pressure for 2 minutes; regulating the automatic control valve to be in a manual state and slowly opening the automatic control valve at the speed of 1%/3S; when the opening degree of the automatic control valve is larger than 50%, the automatic control valve is controlled to be slowly closed to 0 at the speed of 1%/S, and the pressure of the hydrogen pump is set to be 75 Kpa.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011446714.7A CN112783114A (en) | 2020-12-09 | 2020-12-09 | Method and system for one-key starting hydrogen pump sequential control of hydrogen water-ring compressor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011446714.7A CN112783114A (en) | 2020-12-09 | 2020-12-09 | Method and system for one-key starting hydrogen pump sequential control of hydrogen water-ring compressor |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253101A (en) * | 2018-08-22 | 2019-01-22 | 西安陕鼓动力股份有限公司 | Pipeline compressor pressure release stops in emergency, one-key start control method after orderly shutdown |
| US20190316603A1 (en) * | 2018-04-16 | 2019-10-17 | Panasonic Intellectual Property Management Co., Ltd. | Electrochemical hydrogen pump and method for operating electrochemical hydrogen pump |
| CN110528012A (en) * | 2018-05-24 | 2019-12-03 | 松下知识产权经营株式会社 | The method of operation of hydrogen supply system and hydrogen supply system |
| CN111287977A (en) * | 2020-02-28 | 2020-06-16 | 万华化学(宁波)氯碱有限公司 | One-key driving under sequential control of hydrogen water ring pump |
| CN111644019A (en) * | 2020-06-10 | 2020-09-11 | 湖北东方化工有限公司 | Production method of nitrogen oxide gas full-automatic pressure absorption process |
-
2020
- 2020-12-09 CN CN202011446714.7A patent/CN112783114A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190316603A1 (en) * | 2018-04-16 | 2019-10-17 | Panasonic Intellectual Property Management Co., Ltd. | Electrochemical hydrogen pump and method for operating electrochemical hydrogen pump |
| CN110528012A (en) * | 2018-05-24 | 2019-12-03 | 松下知识产权经营株式会社 | The method of operation of hydrogen supply system and hydrogen supply system |
| CN109253101A (en) * | 2018-08-22 | 2019-01-22 | 西安陕鼓动力股份有限公司 | Pipeline compressor pressure release stops in emergency, one-key start control method after orderly shutdown |
| CN111287977A (en) * | 2020-02-28 | 2020-06-16 | 万华化学(宁波)氯碱有限公司 | One-key driving under sequential control of hydrogen water ring pump |
| CN111644019A (en) * | 2020-06-10 | 2020-09-11 | 湖北东方化工有限公司 | Production method of nitrogen oxide gas full-automatic pressure absorption process |
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Application publication date: 20210511 |