CN113393950A - Power adjusting method for auxiliary electric boiler of nuclear power plant - Google Patents
Power adjusting method for auxiliary electric boiler of nuclear power plant Download PDFInfo
- Publication number
- CN113393950A CN113393950A CN202110432819.5A CN202110432819A CN113393950A CN 113393950 A CN113393950 A CN 113393950A CN 202110432819 A CN202110432819 A CN 202110432819A CN 113393950 A CN113393950 A CN 113393950A
- Authority
- CN
- China
- Prior art keywords
- boiler
- water
- conductivity
- power
- liquid level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
- G21D3/08—Regulation of any parameters in the plant
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D1/00—Details of nuclear power plant
- G21D1/02—Arrangements of auxiliary equipment
-
- 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
- Y02E30/00—Energy generation of nuclear origin
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
- Control Of Non-Electrical Variables (AREA)
Abstract
A method for adjusting power of an auxiliary electric boiler of a nuclear power plant comprises the steps of setting an operation liquid level of the boiler, starting a first boiler water dosing pump and a second boiler water dosing pump, and adjusting the conductivity and the pH value of the boiler; starting a boiler to operate, keeping the liquid level of boiler water of the boiler at an operating liquid level, and monitoring the pH value and the conductivity of the boiler water; keeping the liquid level of the boiler constant, adjusting the output power of the boiler by adjusting the conductivity of boiler water of the boiler, wherein the power of the boiler is increased when the conductivity of the boiler water is increased, and the power of the boiler is decreased when the conductivity of the boiler water is decreased; when the boiler needs to be shut down, the boiler blow-down valve and the boiler water replenishing valve are closed when the conductivity of the boiler is adjusted to be reduced to the shutdown conductivity, and the boiler is shut down. The boiler graphite electrode is immersed in boiler water, so that the dry burning phenomenon is avoided, the loss of the graphite electrode and the falling of graphite powder are reduced, the service life of the electrode is prolonged, and the safe, economical and stable operation of the boiler is ensured.
Description
Technical Field
The invention relates to the technical field of water chemistry of a high-temperature gas cooled reactor nuclear power plant, in particular to a method for adjusting the power of an auxiliary electric boiler of a nuclear power plant.
Background
The nuclear power plant is provided with an auxiliary electric boiler system, and a high-voltage electrode boiler is adopted to meet the requirements of unit starting and emergency shutdown. The high voltage electrode boiler load is related to the boiler liquid level and the boiler water conductivity, the higher the boiler liquid level and the higher the conductivity, the higher the power of the electric boiler, and conversely, the lower the power of the electric boiler.
The power of the electric boiler of the nuclear power plant is regulated by adopting a constant conductivity mode, namely, the conductivity is kept constant, and the output power of the boiler is regulated by regulating the liquid level of the boiler. When the liquid level of the boiler is increased, the power of the boiler is increased, and when the liquid level of the boiler is reduced, the power of the boiler is reduced. The adjusting mode has great potential safety hazard when the boiler operates at low power. When the boiler low power (being less than 20% rated power) operation, the liquid level of boiler is in low liquid level, and the boiler graphite electrode most exposes in the air this moment, forms dry combustion method, causes the aggravation of graphite electrode loss, and a large amount of graphite powder drops, and the easy boiler level gauge of sticking causes boiler power to continuously promote, finally jumps.
Disclosure of Invention
The invention aims to provide a method for adjusting the power of an auxiliary electric boiler of a nuclear power plant, which adjusts the power adjustment mode of the electric boiler from a constant conductivity mode to a constant liquid level mode, reduces the loss of a graphite electrode and the falling of graphite powder, prolongs the service life of the electrode, and ensures the safe, economical and stable operation of the boiler.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for adjusting the power of an auxiliary electric boiler of a nuclear power plant is characterized by comprising the following steps:
boiler operation level setting step S110: feeding water to a boiler to a set operation liquid level, starting a water replenishing pump in a linked mode to replenish water when the low liquid level is set, stopping the water replenishing pump in a linked mode when the operation liquid level is reached, starting a boiler blow-down valve in a linked mode to blow down when the high liquid level is set, and closing the boiler blow-down valve in a linked mode when the operation liquid level is reached;
boiler conductivity and pH adjustment step S120: starting a first boiler water dosing pump, adding a conductivity regulator into the boiler, and regulating the conductivity to a starting conductivity control range; starting a second boiler water dosing pump, adding a boiler water pH regulator into the boiler, and regulating the pH value of the boiler water to a starting pH value control range;
boiler start-up operation step S130: starting a boiler to operate, keeping the liquid level of boiler water of the boiler at an operating liquid level, and monitoring the pH value and the conductivity of the boiler water;
boiler power adjustment step S140: the method comprises the steps of increasing the boiler power and reducing the boiler power, when the boiler power needs to be increased, starting a first boiler water dosing pump and a second boiler water dosing pump, adding a conductivity regulator and a pH regulator into boiler water, and stopping the first boiler water dosing pump when the power is increased to a target value; when the power of the boiler needs to be reduced, a boiler blow-down valve is opened to blow down, a boiler water supplementing valve is opened to supplement water, a second boiler water dosing pump is opened to add a pH regulator while supplementing water, and the boiler blow-down valve and the water supplementing valve are closed when the power of the boiler is reduced to a target value.
Boiler shutdown step S150: when the machine needs to be shut down, a boiler blow-down valve is opened to blow down, a boiler water supplementing valve is opened to supplement water, a second boiler water dosing pump is started to add a pH regulator while supplementing water, and when the conductivity of the boiler is reduced to the shutdown conductivity, the boiler blow-down valve and the boiler water supplementing valve are closed, and the boiler is shut down.
Optionally, the step S130 of "monitoring the pH and conductivity of the boiler water" includes: setting an on-line conductivity meter and an on-line pH meter of boiler water to monitor the quality of the boiler water on line; and/or a manual sampling device is arranged for manually monitoring the conductivity and the pH value of the boiler water.
Optionally, in the step S110 of setting the operating liquid level of the boiler, the operating liquid level is 1500mm, the low liquid level is 1400mm, and the high liquid level is 1600 mm.
Optionally, in the boiler conductivity and pH value adjusting step S120, the range of the conductivity is 20 to 30 μ S/cm, and the range of the pH value is 9.5 to 10.0.
Optionally, in the boiler power adjusting step S140, when the boiler power is increased to 50% power, the conductivity is adjusted to 50 to 70 μ S/cm, and the pH value is adjusted to 9.5 to 10.0, and when the boiler power is increased to 100% power, the conductivity is adjusted to 100 to 130 μ S/cm, and the pH value is adjusted to 9.5 to 10.0; and when the boiler power needs to be reduced, starting a second boiler water dosing pump to add the pH regulator, keeping the pH value at 9.5-10.0, and closing a boiler blow-down valve and a water supplementing valve when the boiler power is reduced to 50%.
Optionally, in the boiler shutdown step S150, the pH value is kept at 9.5-10.0, and the shutdown conductivity is 20-30 mu S/cm.
The invention adjusts the power adjusting mode of the electric boiler from a constant conductivity mode to a constant liquid level mode, namely, the liquid level of the boiler is kept constant, the output power of the boiler is adjusted by adjusting the conductivity of boiler water of the boiler, when the conductivity of the boiler water is improved, the power of the boiler is improved, and when the conductivity of the boiler water is reduced, the power of the boiler is reduced. At the moment, the boiler graphite electrode is immersed in the boiler water, so that the dry burning phenomenon can not be generated, the loss of the graphite electrode and the falling of graphite powder are reduced, the service life of the electrode is prolonged, and the safe, economic and stable operation of the boiler is ensured.
Drawings
Fig. 1 is a schematic flow diagram of a method for regulating the power of an auxiliary electric boiler of a nuclear power plant according to the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
The invention is characterized in that: the power regulation mode of the electric boiler is adjusted from a constant conductivity mode to a constant liquid level mode, namely, the liquid level of the boiler is kept constant, the output power of the boiler is adjusted by adjusting the conductivity of boiler water of the boiler, when the conductivity of the boiler water is improved, the power of the boiler is improved, and when the conductivity of the boiler water is reduced, the power of the boiler is reduced. At the moment, the boiler graphite electrode is immersed in the boiler water, so that the dry burning phenomenon can not be generated, the loss of the graphite electrode and the falling of graphite powder are reduced, the service life of the electrode is prolonged, and the safe, economic and stable operation of the boiler is ensured.
In particular, with reference to fig. 1, the specific steps of the method for regulating the power of an auxiliary electric boiler of a nuclear power plant according to the invention are shown
Boiler operation level setting step S110: the boiler is watered to the operation liquid level of setting for to chain start moisturizing pump moisturizing when setting up low liquid level, chain shut down moisturizing pump when reacing the operation liquid level, chain open boiler blowoff valve blowdown when setting up high liquid level, chain close boiler blowoff valve when reacing the operation liquid level.
Boiler conductivity and pH adjustment step S120: starting a first boiler water dosing pump, adding a conductivity regulator into the boiler, and regulating the conductivity to a starting conductivity control range; starting a second boiler water dosing pump, adding a boiler water pH regulator into the boiler, and regulating the pH value of the boiler water to a starting pH value control range;
boiler start-up operation step S130: and starting the boiler to operate, keeping the liquid level of boiler water of the boiler at an operating liquid level, and monitoring the pH value and the conductivity of the boiler water.
The step of monitoring the pH value and the conductivity of the furnace water specifically comprises the following steps: setting an on-line conductivity meter and an on-line pH meter of boiler water to monitor the quality of the boiler water on line; and/or a manual sampling device is arranged for manually monitoring the conductivity and the pH value of the boiler water.
Boiler power adjustment step S140: the method comprises the steps of increasing the power of a boiler and reducing the power of the boiler, starting a first boiler water dosing pump and a second boiler water dosing pump when the power of the boiler needs to be increased, adding a conductivity regulator and a pH regulator into boiler water, and stopping the first boiler water dosing pump when the power is increased to a target value; when the power of the boiler needs to be reduced, a boiler blow-down valve is opened to blow down, a boiler water supplementing valve is opened to supplement water, a second boiler water dosing pump is opened to add a pH regulator while supplementing water, and the boiler blow-down valve and the water supplementing valve are closed when the power of the boiler is reduced to a target value.
Boiler shutdown step S150: when the machine needs to be shut down, a boiler blow-down valve is opened to blow down, a boiler water supplementing valve is opened to supplement water, a second boiler water dosing pump is started to add a pH regulator while supplementing water, and when the conductivity of the boiler is reduced to the shutdown conductivity, the boiler blow-down valve and the boiler water supplementing valve are closed, and the boiler is shut down.
Therefore, according to the method for adjusting the power of the auxiliary electric boiler of the nuclear power plant, the power adjustment mode of the electric boiler is adjusted from the constant conductivity mode to the constant liquid level mode, namely the liquid level of the boiler is kept constant, the output power of the boiler is adjusted by adjusting the conductivity of boiler water of the boiler, when the conductivity of the boiler water is improved, the power of the boiler is improved, and when the conductivity of the boiler water is reduced, the power of the boiler is reduced.
Example (b):
a power adjusting method for an auxiliary electric boiler of a nuclear power plant comprises the following steps:
(1) feeding water to the boiler to reach a set operation liquid level of 1500mm, and setting a low liquid level of 1400mm to start the water replenishing pump in a linked manner for replenishing water, and stopping the water replenishing pump in a linked manner when the low liquid level reaches the operation liquid level of 1500 mm; and when the high liquid level is set to 1600mm, the boiler blow-down valve is opened in a linkage manner to blow down, and when the high liquid level reaches 1500mm, the boiler blow-down valve is closed in a linkage manner.
(2) Starting a first boiler water dosing pump, adding a conductivity regulator into the boiler, and regulating the conductivity to be within the range of 20-30 mu S/cm; and starting a second boiler water dosing pump, and adding a boiler water pH regulator into the boiler to enable the pH value of the boiler water to be within the range of 9.5-10.0.
(3) Starting the boiler to operate, keeping the liquid level of boiler water of the boiler at an operating liquid level of 1500mm, monitoring the pH value of the boiler water within a range of 9.5-10.0, and monitoring the electric conductivity within a range of 20-30 mu S/cm.
(4) And (3) raising the power to 50%, starting a first furnace water dosing pump and a second furnace water dosing pump, adding a conductivity regulator and a pH regulator into the furnace water, regulating the conductivity to 50-70 mu S/cm, regulating the pH value to 9.5-10.0, and stopping the first furnace water dosing pump when the power is raised to 50%.
(5) And (3) raising the power to 100%, starting a first furnace water dosing pump and a second furnace water dosing pump, adding a conductivity regulator and a pH regulator into the furnace water, regulating the conductivity to 100-130 mu S/cm, regulating the pH value to 9.5-10.0, and stopping the first furnace water dosing pump when the power is raised to 100%.
(7) And when the power of the boiler is reduced to 50%, opening a boiler blow-off valve to blow off, simultaneously opening a boiler water supplementing valve to supplement water, simultaneously starting a second boiler water dosing pump to add the pH regulator, keeping the pH value at 9.5-10.0, and closing the boiler blow-off valve and the water supplementing valve when the power of the boiler is reduced to 50%.
(8) And when the boiler is shut down, a boiler blow-down valve is opened to blow down, a boiler water supplementing valve is opened to supplement water, a second boiler water dosing pump is started to add the pH regulator while supplementing water, the pH value is kept at 9.5-10.0, the boiler blow-down valve and the water supplementing valve are closed when the electrical conductivity of the boiler is reduced to 20-30 mu S/cm, and the boiler is shut down.
In summary, the invention adjusts the power adjustment mode of the electric boiler from the constant conductivity mode to the constant liquid level mode, i.e. the liquid level of the boiler is kept constant, the output power of the boiler is adjusted by adjusting the conductivity of the boiler water of the boiler, when the conductivity of the boiler water is improved, the power of the boiler is improved, and when the conductivity of the boiler water is reduced, the power of the boiler is reduced. At the moment, the boiler graphite electrode is immersed in the boiler water, so that the dry burning phenomenon can not be generated, the loss of the graphite electrode and the falling of graphite powder are reduced, the service life of the electrode is prolonged, and the safe, economic and stable operation of the boiler is ensured.
While the invention has been described in further detail with reference to specific preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A method for adjusting the power of an auxiliary electric boiler of a nuclear power plant is characterized by comprising the following steps:
boiler operation level setting step S110: feeding water to a boiler to a set operation liquid level, starting a water replenishing pump in a linked mode to replenish water when the low liquid level is set, stopping the water replenishing pump in a linked mode when the operation liquid level is reached, starting a boiler blow-down valve in a linked mode to blow down when the high liquid level is set, and closing the boiler blow-down valve in a linked mode when the operation liquid level is reached;
boiler conductivity and pH adjustment step S120: starting a first boiler water dosing pump, adding a conductivity regulator into the boiler, and regulating the conductivity to a starting conductivity control range; starting a second boiler water dosing pump, adding a boiler water pH regulator into the boiler, and regulating the pH value of the boiler water to a starting pH value control range;
boiler start-up operation step S130: starting a boiler to operate, keeping the liquid level of boiler water of the boiler at an operating liquid level, and monitoring the pH value and the conductivity of the boiler water;
boiler power adjustment step S140: the method comprises the steps of increasing the boiler power and reducing the boiler power, when the boiler power needs to be increased, starting a first boiler water dosing pump and a second boiler water dosing pump, adding a conductivity regulator and a pH regulator into boiler water, and stopping the first boiler water dosing pump when the power is increased to a target value; when the power of the boiler needs to be reduced, a boiler blow-down valve is opened to blow down, a boiler water supplementing valve is opened to supplement water, a second boiler water dosing pump is opened to add a pH regulator while supplementing water, and the boiler blow-down valve and the water supplementing valve are closed when the power of the boiler is reduced to a target value.
Boiler shutdown step S150: when the machine needs to be shut down, a boiler blow-down valve is opened to blow down, a boiler water supplementing valve is opened to supplement water, a second boiler water dosing pump is started to add a pH regulator while supplementing water, and when the conductivity of the boiler is reduced to the shutdown conductivity, the boiler blow-down valve and the boiler water supplementing valve are closed, and the boiler is shut down.
2. The method for regulating the power of an auxiliary electric boiler of a nuclear power plant according to claim 1,
the step S130 of starting and operating the boiler, in which "monitoring the pH value and the conductivity of the boiler water" specifically includes: setting an on-line conductivity meter and an on-line pH meter of boiler water to monitor the quality of the boiler water on line; and/or a manual sampling device is arranged for manually monitoring the conductivity and the pH value of the boiler water.
3. The method for regulating the power of an auxiliary electric boiler of a nuclear power plant according to claim 2,
in the boiler operation liquid level setting step S110, the operation liquid level is 1500mm, the low liquid level is 1400mm, and the high liquid level is 1600 mm.
4. The method for regulating the power of an auxiliary electric boiler of a nuclear power plant according to claim 2,
in the boiler conductivity and pH value adjusting step S120, the range of the conductivity is 20-30 mu S/cm, and the range of the pH value is 9.5-10.0.
5. The method for regulating the power of an auxiliary electric boiler of a nuclear power plant according to claim 2,
a boiler power adjusting step S140, when the boiler power is increased to 50% power, the conductivity is adjusted to 50-70 mu S/cm, the pH value is adjusted to 9.5-10.0, when the boiler power is increased to 100% power, the conductivity is adjusted to 100-130 mu S/cm, and the pH value is adjusted to 9.5-10.0; and when the boiler power needs to be reduced, starting a second boiler water dosing pump to add the pH regulator, keeping the pH value at 9.5-10.0, and closing a boiler blow-down valve and a water supplementing valve when the boiler power is reduced to 50%.
6. The method for regulating the power of an auxiliary electric boiler of a nuclear power plant according to claim 2,
in the boiler shutdown step S150, the pH value is kept between 9.5 and 10.0, and the shutdown conductivity is 20 to 30 mu S/cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110432819.5A CN113393950B (en) | 2021-04-21 | 2021-04-21 | Power adjusting method for auxiliary electric boiler of nuclear power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110432819.5A CN113393950B (en) | 2021-04-21 | 2021-04-21 | Power adjusting method for auxiliary electric boiler of nuclear power plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113393950A true CN113393950A (en) | 2021-09-14 |
| CN113393950B CN113393950B (en) | 2022-08-19 |
Family
ID=77616719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110432819.5A Active CN113393950B (en) | 2021-04-21 | 2021-04-21 | Power adjusting method for auxiliary electric boiler of nuclear power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113393950B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52149538A (en) * | 1976-06-07 | 1977-12-12 | Combustion Eng | Power plant operation method |
| CN1547032A (en) * | 2003-12-04 | 2004-11-17 | 天津化工研究设计院 | Boiler water treatment medicament performance evaluation device |
| CN101413657A (en) * | 2008-12-03 | 2009-04-22 | 苏州汉风科技发展有限公司 | Automatic control device for intelligent electricity-saving device and control method thereof |
| CN104502556A (en) * | 2014-12-02 | 2015-04-08 | 国家海洋局天津海水淡化与综合利用研究所 | Performance evaluation device and method for seawater circulating cooling water treating agent for electric power system |
| CN105737135A (en) * | 2016-03-28 | 2016-07-06 | 湖北民族学院 | Small boiler water replenishing system |
| CN108415486A (en) * | 2018-01-16 | 2018-08-17 | 南京友智科技有限公司 | A kind of dynamic regulating method of high-field electrode boiler power |
| CN109144150A (en) * | 2018-11-01 | 2019-01-04 | 西安热工研究院有限公司 | Automatic water quality control system of high-temperature high-pressure test device and using method |
| CN110526373A (en) * | 2019-09-12 | 2019-12-03 | 华能山东石岛湾核电有限公司 | A kind of electric boiler furnace water chemistry processing method |
| US20200381132A1 (en) * | 2017-06-30 | 2020-12-03 | Joint Stock Company Scientific Research and Design Institute for Energy Technologies Atomproekt | Power Plant Chemical Control System |
-
2021
- 2021-04-21 CN CN202110432819.5A patent/CN113393950B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52149538A (en) * | 1976-06-07 | 1977-12-12 | Combustion Eng | Power plant operation method |
| CN1547032A (en) * | 2003-12-04 | 2004-11-17 | 天津化工研究设计院 | Boiler water treatment medicament performance evaluation device |
| CN101413657A (en) * | 2008-12-03 | 2009-04-22 | 苏州汉风科技发展有限公司 | Automatic control device for intelligent electricity-saving device and control method thereof |
| CN104502556A (en) * | 2014-12-02 | 2015-04-08 | 国家海洋局天津海水淡化与综合利用研究所 | Performance evaluation device and method for seawater circulating cooling water treating agent for electric power system |
| CN105737135A (en) * | 2016-03-28 | 2016-07-06 | 湖北民族学院 | Small boiler water replenishing system |
| US20200381132A1 (en) * | 2017-06-30 | 2020-12-03 | Joint Stock Company Scientific Research and Design Institute for Energy Technologies Atomproekt | Power Plant Chemical Control System |
| CN108415486A (en) * | 2018-01-16 | 2018-08-17 | 南京友智科技有限公司 | A kind of dynamic regulating method of high-field electrode boiler power |
| CN109144150A (en) * | 2018-11-01 | 2019-01-04 | 西安热工研究院有限公司 | Automatic water quality control system of high-temperature high-pressure test device and using method |
| CN110526373A (en) * | 2019-09-12 | 2019-12-03 | 华能山东石岛湾核电有限公司 | A kind of electric boiler furnace water chemistry processing method |
Non-Patent Citations (1)
| Title |
|---|
| 罗吉江等: "海阳核电辅助电锅炉的煮炉", 《电站辅机》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113393950B (en) | 2022-08-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2015196263A1 (en) | Oxyhydrogen generator and method for producing oxyhydrogen gas | |
| CN114525520B (en) | Hydrogen production system hot standby control method and hydrogen production system | |
| KR20180027682A (en) | Shut down system and control method of fuel cell vehicle | |
| CN113393950B (en) | Power adjusting method for auxiliary electric boiler of nuclear power plant | |
| CN111508620A (en) | Reactor maneuverability self-adjusting method | |
| CN103474685A (en) | Safe hydrogen emission method for fuel cell | |
| CN113436767B (en) | Nuclear reactor primary loop hydrogen control system and method | |
| CN112820913B (en) | Control system under variable load working condition of methanol reforming fuel cell power generation system | |
| CN209071516U (en) | A kind of fuel cell hydrogen feeding mechanism | |
| CN201909989U (en) | Automatically-controlled energy-saving system of boiler | |
| CN102023595A (en) | Automatic control and energy-saving system of boiler | |
| CN110649296A (en) | Self-adaptive power adjustment method for HT-PEM (high-temperature proton exchange membrane) methanol-water fuel cell | |
| JP2002216809A (en) | Dissipating method of residual fuel of fuel cell stack, its system and device | |
| CN112952157B (en) | Fuel cell stack starting method | |
| CN110649282B (en) | HT-PEM methanol-water fuel cell control system and control method | |
| KR100624196B1 (en) | A humidity regulator of the fuel cell | |
| CN115172799A (en) | Open cathode fuel cell temperature control device and method based on FPGA | |
| JP7221641B2 (en) | Solid oxide fuel cell system | |
| JPH01176667A (en) | Fuel cell power generating system | |
| KR100834055B1 (en) | A method for the stable internal pressure of furnace in burning controller of 500mw boiler | |
| CN214196487U (en) | Nitrogen adding device for reducing heat value of natural gas | |
| CN215896466U (en) | Fuel cell voltage control system | |
| CN217324343U (en) | Hydrogen pressure stability control system for electrolysis trough | |
| CN112701329A (en) | Control method for on-load starting of fuel cell system | |
| CN219759627U (en) | Fuel cell pressure maintaining device and fuel cell system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |