CN115195986B - Cabin heat dissipation and ventilation system of hydrogen fuel cell ship - Google Patents
Cabin heat dissipation and ventilation system of hydrogen fuel cell ship Download PDFInfo
- Publication number
- CN115195986B CN115195986B CN202210561126.0A CN202210561126A CN115195986B CN 115195986 B CN115195986 B CN 115195986B CN 202210561126 A CN202210561126 A CN 202210561126A CN 115195986 B CN115195986 B CN 115195986B
- Authority
- CN
- China
- Prior art keywords
- cabin
- heat dissipation
- fan
- hydrogen
- fuel
- 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.)
- Active
Links
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 104
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 61
- 239000001257 hydrogen Substances 0.000 title claims abstract description 61
- 239000000446 fuel Substances 0.000 title claims abstract description 53
- 238000009423 ventilation Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims description 22
- 230000005855 radiation Effects 0.000 claims description 8
- 239000002828 fuel tank Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
- B63J2/02—Ventilation; Air-conditioning
- B63J2/06—Ventilation; Air-conditioning of engine rooms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
- B63J2/02—Ventilation; Air-conditioning
- B63J2/08—Ventilation; Air-conditioning of holds
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses an intra-cabin heat dissipation and ventilation system of a hydrogen fuel cell ship and a method thereof, wherein the intra-cabin heat dissipation and ventilation system comprises a temperature sensor and a heat dissipation fan, the temperature sensor and the heat dissipation fan are respectively arranged in a storage cabin, a fuel cabin, a propulsion cabin and a steering engine cabin, an exhaust fan is arranged at the juncture of adjacent cabins, a hydrogen concentration sensor, a heat dissipation device and a hydrogen fuel cell stack are arranged in the fuel cabin, the temperature sensor and the hydrogen concentration sensor respectively transmit temperature and concentration information to a central controller, the central controller transmits the calculated heat dissipation to a frequency converter, and the frequency converter controls the heat dissipation fan and the exhaust fan to work. The invention provides a good heat dissipation and ventilation environment for the hydrogen fuel cell ship to release the extra heat value during hydrogen combustion, increases the heat dissipation efficiency through the circulation and ventilation of the whole ship, and reduces the overall operation energy consumption cost.
Description
Technical Field
The invention relates to a cabin internal heat dissipation and ventilation system and a method thereof, in particular to a cabin internal heat dissipation and ventilation system of a hydrogen fuel cell ship with high heat dissipation efficiency and low energy consumption cost and a method thereof.
Background
Hydrogen is the cleanest energy source in the currently known energy sources, the combustion product of the hydrogen is only water, carbon dioxide and other pollutants are not generated, and the heat value of the hydrogen is high, so that the hydrogen is an ideal fuel in the long term. The application and popularization of the hydrogen energy source have important strategic significance for energy conservation and emission reduction in the world. Especially has far-reaching significance for industries with relatively large energy consumption, such as the ship industry.
The hydrogen fuel cell ship has the risk of hydrogen fuel leakage when working, when leaked hydrogen gas is gathered or a fire source is encountered, severe explosion can occur, in order to avoid the occurrence and aggravation of hydrogen accidents, a hydrogen concentration sensor is required to be installed in a specific cabin to detect the hydrogen concentration in real time, so that the risk of hydrogen leakage is reduced, meanwhile, the hydrogen fuel cell ship needs a good ventilation and heat dissipation environment to release the extra heat value released when hydrogen fuel is combusted, the energy saving effect is also required to be considered to reduce the useless consumption of ship equipment, and a reasonable ventilation and heat dissipation system is required to be arranged to accelerate the cabin heat dissipation and ventilation, and meanwhile, the whole ship energy consumption is reduced.
Disclosure of Invention
The invention aims to: the invention aims to provide an in-cabin heat dissipation and ventilation system of a hydrogen fuel cell ship, which has high heat dissipation efficiency and low energy consumption cost; another object of the invention is to provide a method of cooling and ventilating the ship.
The technical scheme is as follows: the heat dissipation and ventilation system comprises a temperature sensor and a heat dissipation fan, wherein the temperature sensor and the heat dissipation fan are arranged in a storage cabin, a fuel cabin, a propulsion cabin and a steering engine cabin, an exhaust fan is arranged at the junction of adjacent cabins, a hydrogen concentration sensor, a heat dissipation device and a hydrogen fuel cell stack are arranged in the fuel cabin, the temperature sensor and the hydrogen concentration sensor respectively transmit temperature and concentration information to a central controller, the central controller transmits the calculated heat dissipation capacity to a frequency converter, and the frequency converter controls the heat dissipation fan and the exhaust fan to work.
And when the hydrogen concentration detected by the hydrogen concentration sensor exceeds the standard, regulating the heat dissipation fan to rated power, suspending the reaction of the hydrogen fuel cell stack, closing an air supply pipeline between cabins, and opening a standby exhaust fan for ventilation replacement.
The heat dissipation and ventilation method provided by the invention comprises the following steps:
the exhaust fan carries out heat dissipation adjustment of each cabin through an air supply pipeline so as to realize circulation heat dissipation among the cabins, and the rotating speed calculation formula of the heat dissipation fan is as followsWherein v is the rotating speed of the fan, Q is the heat dissipation capacity of the equipment, Q b K is the conventional ventilation and heat dissipation capacity of the cabin t Let Q be the running coefficient of the heat dissipation fan at t temperature 1 Is (the heat dissipation capacity of) the heat dissipation device, Q 2 、Q 3 、Q 4 、Q 5 The heat dissipation capacity of the heat dissipation fans of the fuel cabin, the storage cabin, the propulsion cabin and the rudder cabin are respectively.
Further, when Q 2max ＞Q 1 +Q b2 Namely, when the sum of the heat dissipation capacity of the heat dissipation device and the conventional ventilation heat dissipation capacity of the cabin is smaller than the rated heat dissipation capacity of the fuel cabin heat dissipation fan, the rotating speed of the fuel cabin heat dissipation fan isAt the moment, the exhaust fans adjacent to the fuel tanks are operated conventionally according to the temperature difference between the tanks, and the rest of the cabin cooling fans are operated conventionally according to the cabin ventilation cooling standard.
Further, when Q 1 +Q b2 ≥Q 2max When the sum of the heat dissipation capacity of the heat dissipation device and the conventional ventilation heat dissipation capacity of the cabin is larger than the rated heat dissipation capacity of the fuel cabin heat dissipation fan, the rotating speed of the fuel cabin heat dissipation fan reaches the rated rotating speed, and at the moment, the exhaust fan adjacent to the fuel cabin starts to work to perform auxiliary heat dissipation after increasing the power, and Q 3 、Q 4 Respectively 0.5 (Q) 1 +Q b2 -Q 2max )+Q b3 、0.5(Q 1 +Q b2 -Q 2max )+Q b4 Radiating fan rotating speed v of propulsion cabin and storage cabin 3 、v 4 Respectively is
Further, when the temperature difference between the rudder cabin and the propulsion cabin reaches a set value, the exhaust fan between the two cabins starts to work to perform auxiliary heat dissipation between the cabins, and the rotating speed of the heat dissipation fan is the same as that of the engine
Further, when the temperature difference between the rudder cabin and the propulsion cabin is lower than a set value, the exhaust fan between the two cabins stops working.
The beneficial effects are that: compared with the prior art, the invention has the following remarkable advantages: the hydrogen fuel cell ship provides a good heat dissipation and ventilation environment to release the extra heat value when hydrogen burns, and when the normal sailing of the hydrogen fuel cell ship is ensured, the heat dissipation efficiency is increased through the circulating ventilation of the whole ship, the energy consumption cost of the whole operation is reduced, the hydrogen concentration in the emergency ventilation dilution cabin can be timely carried out when the emergency hydrogen accident happens, and the further expansion of the hydrogen accident is prevented.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, the cooling and ventilating system in the present invention includes 4 cabin temperature sensors 1,1 hydrogen concentration sensor 2,4 cooling fans 3,3 exhaust fans 4,1 emergency standby exhaust fan 5,1 cooling device 6,1 hydrogen fuel cell stack 7,1 frequency converter 8 and 1 central processing unit 9, the small hydrogen fuel cell ship generally includes a storage cabin, a fuel cabin, a propulsion cabin and a tip cabin, 1 temperature sensor 1 and 1 cooling fan 3 are respectively disposed in the storage cabin, the propulsion cabin and the tip cabin, 1 temperature sensor 1,1 cooling fan 3, 1 hydrogen concentration sensor 2, 1 cooling device 6,1 hydrogen fuel cell stack 7 and 1 standby exhaust fan 5 are disposed in the fuel cabin, the temperature sensor 1 and the hydrogen concentration sensor 2 are respectively connected with the central controller, the temperature and hydrogen concentration information are transmitted to the central controller for recording and analyzing, the central processing unit 9 calculates the temperature information in the cabin, and the cooling fan 3 is required to be controlled by the cooling fans 4 according to the frequency conversion commands of the temperature information, and the cooling fan 3 is required for cooling fan 4.
The heat dissipation and ventilation method provided by the invention comprises the following steps:
the exhaust fan 4 carries out heat dissipation adjustment of each cabin through an air supply pipeline, circulation heat dissipation is realized among the cabins through the exhaust fan 4, and the calculation formula of the rotating speed of the heat dissipation fan 3 is as followsWherein v is the rotating speed of the fan, Q is the heat dissipation capacity of the equipment, Q b K is the conventional ventilation and heat dissipation capacity of the cabin t For the operation coefficient of the heat radiation fan at t temperature, define Q 1 、Q 2 、Q 3 、Q 4 、Q 5 The heat dissipation capacity of the heat dissipation fan 3 of the heat dissipation device 6, the fuel cabin, the storage cabin, the propulsion cabin and the rudder cabin is respectively provided.
The relationship between the rotation speed of the heat radiation fan 3 and the heat radiation amount is as follows:
(1) When Q is 2max ＞Q 1 +Q b2 I.e. the sum of the heat dissipation capacity of the heat dissipation device 6 and the conventional ventilation heat dissipation capacity of the cabin is smaller than the rated heat dissipation capacity of the fuel cabin heat dissipation fan, the rotating speed of the fuel cabin heat dissipation fan 3 isAt the moment, the exhaust fans 4 adjacent to the fuel cabin are operated conventionally according to the temperature difference between cabins, and the rest cabin cooling fans 3 are operated conventionally according to the cabin ventilation and cooling standard;
(2) When Q is 1 +Q b2 ≥Q 2max That is, when the sum of the heat dissipation capacity of the heat dissipation device 6 and the conventional ventilation heat dissipation capacity of the cabin is larger than the rated heat dissipation capacity of the fuel cabin heat dissipation fan 3, the rotating speed of the fuel cabin heat dissipation fan 3 reaches the rated rotating speed, and the exhaust fan 4 adjacent to the fuel cabin begins to work to perform auxiliary heat dissipation after increasing the power at the moment, Q 3 、Q 4 Respectively 0.5 (Q) 1 +Q b2 -Q 2max )+Q b3 、0.5(Q 1 +Q b2 -Q 2max )+Q b4 The rotation speed v of the cooling fan 3 of the propulsion cabin and the storage cabin 3 、v 4 Respectively is
The working power of the exhaust fan 4 is determined by the temperature difference between cabins;
(i) When the temperature difference between the rudder cabin and the propulsion cabin reaches a specified value, the exhaust fan 4 between the two cabins starts to work to perform auxiliary heat dissipation between the cabins, and the rotating speed of the heat dissipation fan is the same as that of the cabin
(ii) When the temperature difference is below the minimum value for the set operation, the suction fan 4 between the two compartments is deactivated.
When the hydrogen concentration sensor 2 detects that the hydrogen concentration in the cabin is too high and exceeds the standard value to reach the warning preset value, the heat radiation fan 3 is regulated to rated power for ventilation treatment, the reaction of the hydrogen fuel cell stack is emergently suspended, the air supply pipelines between the fuel cabin, the storage cabin and the propulsion cabin are closed to prevent hydrogen fuel from leaking and diffusing to other cabins, and the emergency standby exhaust fan 5 is opened to perform ventilation replacement on the cabin.
The small hydrogen fuel cell ship increases heat dissipation efficiency through circulating ventilation of the whole ship while sailing normally, reduces overall operation energy consumption cost, and can timely carry out emergency ventilation to dilute the hydrogen concentration in the cabin when hydrogen accidents occur, so that the hydrogen accidents are prevented from being further expanded.
Claims (1)
1. The utility model provides a cabin internal heat dissipation ventilation method of hydrogen fuel cell ship, it relates to a cabin internal heat dissipation ventilation system of hydrogen fuel cell ship, cabin internal heat dissipation ventilation system includes temperature sensor (1) and radiator fan (3), and storage cabin, fuel cabin, propulsion cabin and rudder cabin all install in the front to back in proper order temperature sensor (1) and radiator fan (3), air exhauster (4) are installed in the juncture of adjacent cabin, installs hydrogen concentration sensor (2), heat abstractor (6) and hydrogen fuel cell stack (7) in the fuel cabin, temperature sensor (1) and hydrogen concentration sensor (2) are respectively with temperature and concentration information transmission for central controller (9), and central controller (9) are with the heat dissipation volume that calculates send to converter (8), and converter (8) control radiator fan (3) and air exhauster (4) work, when hydrogen concentration that hydrogen concentration sensor (2) detected exceeds standard, install air exhauster (3) to hydrogen concentration sensor (7), and install hydrogen concentration sensor (6) and hydrogen concentration sensor (7) and hydrogen fuel cell stack (7) in the fuel stack (5) are passed through, and the air exhauster (5) are adjusted to the air exhauster, and the air exhauster is circulated between each cabin is adjusted, and the air exhauster is realized, and the air exhauster stack is replaced in each cabin, and the air exhauster (5) is kept down, and the air exhauster is cooled down.
The rotating speed calculation formula of the heat radiation fan (3) is as followsWherein v is the rotating speed of the fan, Q is the heat dissipation capacity of the equipment, Q b K is the conventional ventilation and heat dissipation capacity of the cabin t For the operation coefficient of the heat radiation fan at t temperature, define Q 1 For the heat dissipation capacity of the heat dissipation device (6), Q 2 、Q 3 、Q 4 、Q 5 The heat dissipation capacity of the rudder cabin heat dissipation fan (3) is respectively the heat dissipation capacity of the fuel cabin, the heat dissipation capacity of the storage cabin, the heat dissipation capacity of the propulsion cabin and the heat dissipation capacity of the rudder cabin;
when Q is 2max ＞Q 1 +Q b2 When the fuel cabin cooling fan (3) rotates, the speed isQ b2 K is the conventional ventilation and heat dissipation capacity of the fuel tank t2 The operation coefficient of the cooling fan of the fuel cabin at t temperature is that the exhaust fan (4) adjacent to the fuel cabin is operated normally according to the temperature difference between cabins, and the cooling fans (3) of other cabins are operated normally according to the ventilation and cooling standard of the cabin; when Q is 1 +Q b2 ≥Q 2max When Q is 2max For the maximum rated heat dissipation capacity of the fuel tank heat dissipation fan, the rotating speed of the fuel tank heat dissipation fan (3) reaches the rated rotating speed, and at the moment, the adjacent exhaust fans (4) of the fuel tank start to work with increased power to perform auxiliary heat dissipation, Q 3 、Q 4 Respectively 0.5 (Q) 1 +Q b2 -Q 2max )+Q b3 、0.5(Q 1 +Q b2 -Q 2max )+Q b4 The rotation speed v of a heat radiation fan (3) of the storage cabin and the propulsion cabin 3 、v 4 Respectively is K t3 K is the operation coefficient of the heat radiation fan of the storage cabin at t temperature t4 At t for propulsion cabin cooling fanCoefficient of operation at temperature, Q b3 For the conventional ventilation and heat dissipation of the storage cabin, Q b4 In order to drive the cabin to normally ventilate and dissipate heat,
when the temperature difference between the rudder cabin and the propulsion cabin reaches a set value, an exhaust fan (4) between the two cabins starts to work to perform auxiliary heat dissipation between the cabins, and the rotating speed of the rudder cabin heat dissipation fan is the same as that of the rudder cabin heat dissipation fanQ b5 For the conventional ventilation and heat dissipation capacity of the rudder trunk, Q Auxiliary material K for auxiliary heat dissipation under specified temperature difference of propulsion cabin and rudder cabin t5 For the operating coefficient of the rudder cabin cooling fan at t temperature, when the temperature difference between the rudder cabin and the propulsion cabin is lower than a set value, the exhaust fan (4) between the two cabins stops working.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210561126.0A CN115195986B (en) | 2022-05-20 | 2022-05-20 | Cabin heat dissipation and ventilation system of hydrogen fuel cell ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210561126.0A CN115195986B (en) | 2022-05-20 | 2022-05-20 | Cabin heat dissipation and ventilation system of hydrogen fuel cell ship |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115195986A CN115195986A (en) | 2022-10-18 |
| CN115195986B true CN115195986B (en) | 2023-12-22 |
Family
ID=83574706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210561126.0A Active CN115195986B (en) | 2022-05-20 | 2022-05-20 | Cabin heat dissipation and ventilation system of hydrogen fuel cell ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115195986B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116573133B (en) * | 2023-05-06 | 2024-03-29 | 中国长江电力股份有限公司 | Hydrogen fuel cell power ship battery compartment air ventilation system and control method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203414855U (en) * | 2013-07-03 | 2014-01-29 | 北京航天发射技术研究所 | Equipment bay heat dissipation controlling apparatus |
| CN105329433A (en) * | 2015-11-12 | 2016-02-17 | 广州文冲船厂有限责任公司 | Ventilation system of ship cargo hold |
| CN106438000A (en) * | 2016-12-20 | 2017-02-22 | 江苏豪赛科技股份有限公司 | Cooling device and method for generating unit of engine room |
| CN107719619A (en) * | 2017-09-28 | 2018-02-23 | 广船国际有限公司 | Cargo hold method of ventilation and ventilating system |
| CN110335438A (en) * | 2019-06-20 | 2019-10-15 | 武汉理工大学 | A kind of hydrogen fuel cell safety of ship protection system and guard method |
| EP3786055A1 (en) * | 2019-09-02 | 2021-03-03 | Halton Marine Oy | Air conditioning system for a cabin and method for air conditioning a cabin |
| CN213443064U (en) * | 2020-07-14 | 2021-06-15 | 友联船厂（蛇口）有限公司 | Frequency conversion fan for ventilation system of ship engine room |
| WO2021189986A1 (en) * | 2020-03-27 | 2021-09-30 | 上海外高桥造船有限公司 | Dual-fuel bulk cargo ship |
| CN113844615A (en) * | 2021-09-29 | 2021-12-28 | 中船黄埔文冲船舶有限公司 | Ship frequency conversion energy-saving control system |
-
2022
- 2022-05-20 CN CN202210561126.0A patent/CN115195986B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203414855U (en) * | 2013-07-03 | 2014-01-29 | 北京航天发射技术研究所 | Equipment bay heat dissipation controlling apparatus |
| CN105329433A (en) * | 2015-11-12 | 2016-02-17 | 广州文冲船厂有限责任公司 | Ventilation system of ship cargo hold |
| CN106438000A (en) * | 2016-12-20 | 2017-02-22 | 江苏豪赛科技股份有限公司 | Cooling device and method for generating unit of engine room |
| CN107719619A (en) * | 2017-09-28 | 2018-02-23 | 广船国际有限公司 | Cargo hold method of ventilation and ventilating system |
| CN110335438A (en) * | 2019-06-20 | 2019-10-15 | 武汉理工大学 | A kind of hydrogen fuel cell safety of ship protection system and guard method |
| EP3786055A1 (en) * | 2019-09-02 | 2021-03-03 | Halton Marine Oy | Air conditioning system for a cabin and method for air conditioning a cabin |
| WO2021189986A1 (en) * | 2020-03-27 | 2021-09-30 | 上海外高桥造船有限公司 | Dual-fuel bulk cargo ship |
| CN213443064U (en) * | 2020-07-14 | 2021-06-15 | 友联船厂（蛇口）有限公司 | Frequency conversion fan for ventilation system of ship engine room |
| CN113844615A (en) * | 2021-09-29 | 2021-12-28 | 中船黄埔文冲船舶有限公司 | Ship frequency conversion energy-saving control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115195986A (en) | 2022-10-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115195986B (en) | Cabin heat dissipation and ventilation system of hydrogen fuel cell ship | |
| CN111584973B (en) | Ventilating system for open-air storage battery for ship | |
| CN206364154U (en) | A kind of heat abstractor of the cold battery case of electric vehicle liquid | |
| US20120312023A1 (en) | Thermal management systems and methods for auxiliary power units | |
| CN110459781B (en) | Fuel cell water cooling device and system | |
| CN106184690A (en) | A kind of compartment ventilating system | |
| JP2011065903A (en) | Fuel cell system | |
| CN110588439B (en) | Energy source temperature regulating device for motor vehicle and method for controlling the same | |
| CN109466314A (en) | A kind of pure electric vehicle commercial vehicle cooling system and control method | |
| JP2002274492A (en) | Ventilating device to engine room of ship | |
| JP2003252295A (en) | Ventilator to engine room in ship | |
| KR20200127112A (en) | air conditioning device of emergency generator rooms for ships | |
| CN113437328B (en) | Latent multi-module fuel cell thermal management system | |
| CN115009497A (en) | Hydrogen energy ship | |
| CN209972761U (en) | Cabin ventilation partition energy-saving control system | |
| CN109578227A (en) | A kind of pressure cooling system for Wind turbine pitch control cabinet | |
| CN221563413U (en) | Ventilation system for cargo hold of automobile transportation ship | |
| US5479871A (en) | Emergency power system for submarines | |
| CN221400748U (en) | Inland river LNG power cargo ship and double-wall pipe ventilation system of air supply system thereof | |
| TW202127720A (en) | Shutdown method and system of fuel | |
| CN217624069U (en) | Small boat ventilation pipeline structure | |
| KR101628178B1 (en) | Hydrogen storage alloy control system for fuel cell vehicle | |
| CN214625181U (en) | Container energy storage system for centralized heat supply by using heat of PCS (personal communications System) equipment cabin | |
| JP7465172B2 (en) | Fuel Cell Systems | |
| WO2019006949A1 (en) | Ventilation apparatus in stern propeller cabin |
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 |