CN104390291A - Positive-pressure ventilation system used for seaborne booster station - Google Patents
Positive-pressure ventilation system used for seaborne booster station Download PDFInfo
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- CN104390291A CN104390291A CN201410553826.0A CN201410553826A CN104390291A CN 104390291 A CN104390291 A CN 104390291A CN 201410553826 A CN201410553826 A CN 201410553826A CN 104390291 A CN104390291 A CN 104390291A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Ventilation (AREA)
Abstract
The invention relates to a positive-pressure ventilation system used for a seaborne booster station. The invention aims to provide the positive-pressure ventilation system used for the seaborne booster station; electric equipment is prevented from being exposed in a corrosive environment on the basis of guaranteeing effective ventilation and heat radiation, the electric equipment does not lose efficiency due to corrosion, and the seaborne booster station can be operated normally for a long time. According to the technical scheme, the positive-pressure ventilation system is composed of a salt mist removing system, a ventilation pipeline system, room pressure leaking devices, room air conditioning systems and monitoring systems, wherein the salt mist removing system is communicated with each equipment room by the ventilation pipeline system; each equipment room is internally provided with one room pressure leaking device, one room air conditioning system and one monitoring system; the salt mist removing system is used for introducing filtered air into each closed equipment room of the seaborne booster station by the ventilation pipeline system so that air pressure in each equipment room is improved; each room pressure leaking device is used for discharging air in the corresponding equipment room so that the positive pressure being 30Pa-50Pa is maintained in the room relative to the outdoor. The positive-pressure ventilation system used for the seaborne booster station is applied to the field of seaborne wind power generation.
Description
Technical field
The present invention relates to a kind of positive pressure ventilation system for offshore boosting station.Be applicable to Oversea wind power generation field.
Background technology
In China, Oversea wind power generation is an emerging industry, and after 2007, China starts progressively to develop Oversea wind power generation industry.In order to offshore wind generating electricity can be delivered to land, offshore boosting station must be built, the offshore boosting station that current China does not also build up or building.
Offshore boosting station is marine wind electric field boosting, distribution and control centre, the various electrical equipments such as main transformer, high-low voltage electric power distribution cabinet, GIS, communication relay protection devices are generally furnished with in offshore boosting station, and these electrical equipments are arranged in closed room, equipment can produce a large amount of heats when running, for being unlikely to overheated when guarantee equipment runs, need supporting ventilating system, the heat produced when equipment runs by ventilating system is in time taken away.
Offshore boosting station is generally positioned at sea that is coastal or coastal waters; its ambient air has the feature of high humility, high salt fog; the electrical equipment of offshore boosting station is comparatively accurate, requires higher, be easy to be corroded and cannot run in the corrosive atmosphere of high humility, high salt fog running environment.Conventional ventilating system is made up of ventilation blower, ventilation shaft etc., discharge in direct for outdoor air suction chamber again, such air circulation effectively can take away the heat produced when equipment runs, but the ventilating system of routine is while ventilation, high humility, high salt fog air in outdoor environment are directly introduced indoor, easily cause equipment corrosion, make the service life of equipment only have the several years even to only have the several months.The runtime of marine wind electric field is generally 20 ~ 30 years, offshore boosting station is the center of whole wind energy turbine set, the equipment fault of offshore boosting station will cause whole wind energy turbine set electric energy to send, therefore need to seek a kind of suitable ventilating system, can available ventilation heat radiation basis on, avoid electrical equipment to be exposed in corrosive atmosphere, ensure that electrical equipment did not lose efficacy because of corrosion, normally run for a long time to maintain offshore boosting station.
Summary of the invention
The technical problem to be solved in the present invention is: for above-mentioned Problems existing, a kind of positive pressure ventilation system for offshore boosting station is provided, on the basis ensureing effective ventilation and heat, electrical equipment is avoided to be exposed in corrosive atmosphere, ensure that electrical equipment did not lose efficacy because of corrosion, maintain offshore boosting station and normally run for a long time.
The technical solution adopted in the present invention is: a kind of positive pressure ventilation system for offshore boosting station, it is characterized in that: be made up of salt mist system, ventiduct system, room pressure relief device, room air conditioning system and monitoring system, salt mist system is communicated with respectively with between each equipment room by ventiduct system, installs room pressure relief device, room air conditioning system and monitoring system in each equipment room; Air after filtration passes in each closed equipment room of offshore boosting station by ventiduct system by described salt mist system, improves internal gas pressure between equipment room; Room pressure relief device discharges the air in each equipment room, makes the malleation of relatively outdoor maintenance 30 ~ 50Pa in room.
The room internal gas pressure of harm gas is produced lower than other room internal gas pressures adjacent between each equipment room.
Described salt mist system is made up of salt spray filter and temperature regulating dehumidifier, and salt spray filter gas outlet is communicated with temperature regulating dehumidifier air inlet, and Electric air valve installed by temperature regulating dehumidifier air inlet, and volume damper is installed in gas outlet.
Described salt spray filter comprises gas-liquid separation device and first effect, the efficient three layer filtration device of middle effect and Asia.
Described medium effeciency filter and inferior high efficiency filter adopt bag filter.
Described ventiduct system is made up of airduct, fire resisting damper, volume damper and air port, and wherein air port is installed in each equipment room, and airduct is communicated with air port and salt mist system, airduct is installed fire resisting damper and volume damper.
Described room pressure relief device is the excess pressure valve or the Electric air valve that are communicated with indoor and outdoor between each equipment room.
The invention has the beneficial effects as follows: 1, adopt positive pressure ventilation system, make the malleation maintaining 30 ~ 50Pa between equipment room all the time, due to the existence of continuous positive pressure, extraneous corrosive atmosphere is difficult to enter indoor, the equipment that ensures is from corrosion.2, filtered by salt spray filter and the air salt content that enters after temperature-adjustable dehumidifier cooling and dehumidifying in equipment room low, guarantee that in room, equipment is in low corrosion environment, is conducive to the service life that equipment normally runs and improves equipment.3, medium effeciency filter and inferior high efficiency filter adopt bag filter, can reduce filtration velocity, reduce over filter flowing resistance, reduce forced draft system power consumption.Bag filter also has the high feature of dust containing capacity, can improve its replacement cycle, reduces maintenance workload, adapts to the feature of offshore boosting station " unmanned ".4, each equipment room temperature adopts split-type air conditioner machine to regulate, and the carry heat produced when equipment runs by detachable air conditioner, to outdoor, realizes proper heat reduction when equipment runs.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
As shown in Figure 1, the present embodiment is the offshore boosting station of a 300MW scale, be provided with the equipment such as the main transformer of two 150MW and corresponding switch cubicle, ground connection change, distribution board, GIS, relay protection room, communication equipment, battery, each equipment is installed on separately in corresponding equipment room.Also be provided with a set of positive pressure ventilation system in the present embodiment, make the malleation maintaining 30 ~ 50Pa between equipment room all the time, due to the existence of continuous positive pressure, extraneous corrosive atmosphere is difficult to enter indoor, make indoor equipment be in low corrosion environment always, avoid equipment corrosion, guarantee equipment normally runs.
The positive pressure ventilation system of the present embodiment is made up of salt mist system, ventiduct system, room pressure relief device, room air conditioning system and monitoring system.Salt mist system is communicated with respectively with between each equipment room by ventiduct system, installs room pressure relief device, room air conditioning system and monitoring system in each equipment room.
In this example, salt mist system is made up of salt spray filter 1 and temperature-adjustable dehumidifier 2, arranges Electric air valve 3 at temperature-adjustable dehumidifier air inlet, arranges volume damper 4 at temperature-adjustable dehumidifier air outlet.The salt spray filter 1 of the present embodiment arranges a set of, and design treatment air quantity is 40000CMH.The temperature-adjustable dehumidifier 2 (this product is commercial, and the model adopting Guangdong Shenling Air Conditioning Equipment Co., Ltd. to produce in this example is the temperature-adjustable dehumidifier of CLFHZ) of the present embodiment arranges four covers altogether, dual-purpose two standby, design air flow 19000CMH, blast 1400Pa.
(this product is commercial to salt spray filter 1, the multistage salt spray filter that An Saipasaike Far East Co., Ltd produces is adopted in this example) be made up of Multistage filtering device, comprise gas-liquid separation device, just effect, middle effect and sub-effective filter, wherein medium effeciency filter and inferior high efficiency filter adopt bag filter.Temperature-adjustable dehumidifier 2 can control temperature and the relative humidity of air, and the cooling for air removes temperature.Temperature-adjustable dehumidifier 2 condenser adopts water-cooled or air-cooled.Temperature-adjustable dehumidifier 2 blower fan adopts centrifugal type efficient, joins variable-frequency motor, can adjust the running frequency of motor, realize energy-saving run according to the malleation value in room and temperature by automatic control system.
In the present embodiment, ventiduct system is made up of airduct 5, fire resisting damper 6, volume damper 4 and air port 8, wherein air port 8 is installed in each equipment room, airduct 5 is communicated with the air port 8 in temperature-adjustable dehumidifier 2 air outlet and each equipment room, and airduct is installed fire resisting damper 6 and volume damper 4.
Room pressure relief device adopts excess pressure valve 10 or Electric air valve, and when room pressure is higher than setting value, valve can be opened automatically, and when room pressure is lower than setting value, valve can be closed automatically.Monitoring system gathers the signal such as the running status of pressure reduction, equipment and valve, the temperature and humidity of outdoor air before and after the temperature in room, humidity malleation value, filter, to ensure that room malleation and humiture carry out centralized Control for each system all devices of principle.Room air conditioning system adopts modular air cooling air conditioner device 9, the refrigerating capacity of air-conditioner is determined according to the heat dissipation capacity of each equipment and room heat transfer across wall amount, wherein transformer chamber I configures 2 cover refrigerating capacitys is the air-conditioner of 50kW, it is the air-conditioner of 50kW that transformer chamber II configures 2 cover refrigerating capacitys, switch cabinet chamber configuration 2 cover refrigerating capacity is the air-conditioner of 13kW, ground connection becomes the air-conditioner that room configuration 2 cover refrigerating capacity is 35kW, relay protection room configuration 2 cover refrigerating capacity is the air-conditioner of 20kW, communications equipment room configuration 2 cover refrigerating capacity is the air-conditioner of 12kW, battery room configuration 2 cover refrigerating capacity is the air-conditioner of 5kW, switchboard room's configuration 2 cover refrigerating capacity is the air-conditioner of 6kW, GIS room configuration 2 cover refrigerating capacity is the air-conditioner of 12kW.Above-mentioned all air-conditioners are 1 standby with 1.
For the room that GIS room and battery room etc. have harm gas to produce in the present embodiment, adopt the control mode of negative relative, namely room pressure is higher than outdoor air pressure, lower than adjacent room pressure, to guarantee having harm gas can not enter other room adjacent, outdoor air can be stoped to enter in room simultaneously, make equipment from the corrosion of outdoor air.Electric air valve 3 is being installed with having to endanger on airduct 5 that gas produces in this example.
Claims (7)
1. the positive pressure ventilation system for offshore boosting station, it is characterized in that: be made up of salt mist system, ventiduct system, room pressure relief device, room air conditioning system and monitoring system, salt mist system is communicated with respectively with between each equipment room by ventiduct system, installs room pressure relief device, room air conditioning system and monitoring system in each equipment room; Air after filtration passes in each closed equipment room of offshore boosting station by ventiduct system by described salt mist system, improves internal gas pressure between equipment room; Room pressure relief device discharges the air in each equipment room, makes the malleation of relatively outdoor maintenance 30 ~ 50Pa in room.
2. the positive pressure ventilation system for offshore boosting station according to claim 1, is characterized in that: produce the room internal gas pressure of harm gas between each equipment room lower than other room internal gas pressures adjacent.
3. the positive pressure ventilation system for offshore boosting station according to claim 1 and 2, it is characterized in that: described salt mist system is made up of salt spray filter (1) and temperature regulating dehumidifier (2), salt spray filter gas outlet is communicated with temperature regulating dehumidifier air inlet, Electric air valve (3) installed by temperature regulating dehumidifier air inlet, and volume damper (4) is installed in gas outlet.
4. the positive pressure ventilation system for offshore boosting station according to claim 3, is characterized in that: described salt spray filter (1) comprises gas-liquid separation device and first effect, the efficient three layer filtration device of middle effect and Asia.
5. the positive pressure ventilation system for offshore boosting station according to claim 4, is characterized in that: described medium effeciency filter and inferior high efficiency filter adopt bag filter.
6. the positive pressure ventilation system for offshore boosting station according to claim 1 and 2, it is characterized in that: described ventiduct system is made up of airduct (5), fire resisting damper (6), volume damper (4) and air port (8), wherein air port (8) are installed in each equipment room, airduct (5) is communicated with air port (8) and salt mist system, airduct is installed fire resisting damper (6) and volume damper (4).
7. the positive pressure ventilation system for offshore boosting station according to claim 1 and 2, is characterized in that: described room pressure relief device is the excess pressure valve (10) or the Electric air valve that are communicated with indoor and outdoor between each equipment room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410553826.0A CN104390291B (en) | 2014-10-17 | 2014-10-17 | Positive pressure ventilation system for offshore boosting station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410553826.0A CN104390291B (en) | 2014-10-17 | 2014-10-17 | Positive pressure ventilation system for offshore boosting station |
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| Publication Number | Publication Date |
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| CN104390291A true CN104390291A (en) | 2015-03-04 |
| CN104390291B CN104390291B (en) | 2017-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410553826.0A Active CN104390291B (en) | 2014-10-17 | 2014-10-17 | Positive pressure ventilation system for offshore boosting station |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405153A (en) * | 2018-09-18 | 2019-03-01 | 中广核研究院有限公司 | A kind of small-sized heap main control room emergency can reside ventilating system |
| CN110021893A (en) * | 2019-05-17 | 2019-07-16 | 华电重工股份有限公司 | A kind of offshore boosting station |
| CN112902395A (en) * | 2021-01-13 | 2021-06-04 | 河南平高电气股份有限公司 | Electrical equipment prefabricated cabin for offshore booster station |
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| DE202014003243U1 (en) * | 2014-04-15 | 2014-05-14 | Abb Technology Ag | Device for the generation, distribution and / or use of electrical energy or a component of such a connection |
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2014
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405153A (en) * | 2018-09-18 | 2019-03-01 | 中广核研究院有限公司 | A kind of small-sized heap main control room emergency can reside ventilating system |
| CN110021893A (en) * | 2019-05-17 | 2019-07-16 | 华电重工股份有限公司 | A kind of offshore boosting station |
| CN110021893B (en) * | 2019-05-17 | 2024-07-02 | 华电重工股份有限公司 | Offshore booster station |
| CN112902395A (en) * | 2021-01-13 | 2021-06-04 | 河南平高电气股份有限公司 | Electrical equipment prefabricated cabin for offshore booster station |
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| Publication number | Publication date |
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| CN104390291B (en) | 2017-12-05 |
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