CN110440355A - Power station temperature adjusting and dehumidifying air-conditioning system and its operation method - Google Patents
Power station temperature adjusting and dehumidifying air-conditioning system and its operation method Download PDFInfo
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- CN110440355A CN110440355A CN201910745052.4A CN201910745052A CN110440355A CN 110440355 A CN110440355 A CN 110440355A CN 201910745052 A CN201910745052 A CN 201910745052A CN 110440355 A CN110440355 A CN 110440355A
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- temperature adjusting
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 83
- 238000001816 cooling Methods 0.000 claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 230000001939 inductive effect Effects 0.000 claims description 20
- 230000005855 radiation Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 16
- 238000007791 dehumidification Methods 0.000 abstract description 14
- 238000009423 ventilation Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 7
- 230000007704 transition Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 8
- 239000003507 refrigerant Substances 0.000 description 8
- 239000002918 waste heat Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000005202 decontamination Methods 0.000 description 3
- 230000003588 decontaminative effect Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 206010009866 Cold sweat Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005399 mechanical ventilation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Classifications
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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
-
- 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
- F24F5/001—Compression cycle type
-
- 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
- F24F5/0046—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 using natural energy, e.g. solar energy, energy from the ground
Abstract
The present invention relates to heat supply and air-conditioning technical field, provides a kind of power station temperature adjusting and dehumidifying air-conditioning system and its operation method, whole year make full use of tailrace tunnel ventilation system to be aerated cooling to the equipment room of golf calorific value；Fresh air dehumidification is carried out to occupied zone using tailrace tunnel ventilation system and temperature adjusting and dehumidifying air treatment system in summer and transition season, and is combined using tail water with indoor end and is cooled down to occupied zone, realizes temperature and humidity independent control；Winter is used for the heating of occupied zone by the heat of high temperature air draft between reclaimer.The system makes full use of the cooling, dehumidifying and heating that each functional area is realized without the natural cold source and power station equipment calorific value for pressing tailrace tunnel, with significant energy-saving effect, while temperature humidity independent control is used, fan energy consumption can be significantly reduced, air-conditioning system occupied area is saved, investment is reduced.
Description
Technical field
The present invention relates to heat supply and air-conditioning technical field, in particular to a kind of power station temperature adjusting and dehumidifying air-conditioning system and its fortune
Row method.
Background technique
China's waterpower resourses are abundant, with the rapid development of economy, hydroelectric development is in the fast-developing phase.Large hydropower station
Mostly use underground powerhouse greatly, it is general it is buried in underground 100m hereinafter, mainly by main building hole, bus tunnel, main transformer room and
The caverns such as down stream surge-chamber composition, cavern's interior spatial structure are complicated, wherein main building, main transformer room and connection are therebetween
The process equipments arrangement such as bus cavern main region, heat-producing device is more.Underground environment winter is cold, summer humid,
Therefore in undergroundhydropower station, the effect of ventilation and air conditioning system mainly has following two points: first is that providing for process equipment suitable
Working environment, guarantee process equipment normal table operation；Second is that improving working environment for personnel.
Undergroundhydropower station uses mechanical ventilation system or ventilation and air conditioning system generally to control the main factory in power station at present
The thermal and humidity environment in room, bus tunnel and main transformer hole and Administrative Area, air conditioning energy consumption is high, and the thermal and humidity environment in workshop guarantees effect not
It is good.
To make full use of power station natural cold source, the prior art provides a kind of water power of variable air-supply dew-point temperature control
It stands special air conditioner and dehumidifier and control method.Its disclosed direct-expansion-type dehumidification air conditioner unit includes that level-one water is cooling
Or heating heat exchange plate pipeline section, second level direct evaporating-cooling coil section, the direct condensation heating coil section of three-level, wherein level-one water is cooling
Or heat exchange coil is heated using reservoir water as natural cold source, fresh air first passes through the cooling of level-one water or adds after mixing with return air
Enter second level direct evaporating-cooling coil section after hot heat exchange coil pre-cooling or preheating and carries out dehumidifying and cooling, it is then directly cold through three-level
Solidifying heating dish pipeline section, is finally sent into conditioned area by pressure fan.
Although the air-conditioner set can cool and heat air using the reservoir water of power station proper temperature, reduce
Air conditioning energy consumption, but there is also following deficiencies:
First, the technical solution do not fully consider the hot humidity load difference of personnel Office Area and golf calorific value equipment room with
And thermal environment builds desired difference, in fact golf calorific value equipment room can be aerated cooling using natural cold source completely,
Therefore the technical solution solves the thermal environment of personnel Office Area and golf calorific value equipment room using a set of air-conditioning system simultaneously, it is difficult to
Natural cold source is made full use of to reduce air conditioning energy consumption.
Second, which is all made of the direct-expansion-type dehumidifier/air-conditioning system in summer and winter and carries out environment battalion
It makes, therefore in order to realize the adjusting in winter with summer difference air supply parameter, it need to be by adjusting fresh air and return air amount ratio, level-one water
Cooling heats the water flow of heat exchange coil to realize, adjusting coupling is strong, it is big to adjust difficulty.
Third, the technical solution use all-air system, and return air is cooling by level-one water after mixing with fresh air or heats
Heat exchange coil, second level direct evaporating-cooling coil section, the direct condensation heating coil section of three-level, cause fan energy consumption huge, wind system
Occupied area of uniting is larger, increases construction cost.
4th, when the technical solution Winter heat supply, although can dehumidify to air, it is directly cold to rely primarily on three-level
The heat air of solidifying heating dish pipeline section release to indoor heating, therefore it is required that the heat pump unit of system configuration larger capacity with
Meet heating demand, leads at high cost, winter heating the problem of energy consumption is high.
Summary of the invention
(1) technical problems to be solved
In view of above-mentioned technological deficiency and application demand, the application proposes a kind of power station temperature adjusting and dehumidifying air-conditioning system and its fortune
Row method, high to solve existing power station air conditioning energy consumption, natural cold source utilizes insufficient, traditional all-air system air quantity
Greatly, fan energy consumption is high, takes up a large area, invests the problem of UTILIZATION OF VESIDUAL HEAT IN deficiency in high and workshop.
(2) technical solution
To solve the above problems, in a first aspect, the present invention provides a kind of power station temperature adjusting and dehumidifying air-conditioning system, comprising: adjust
Warm dehumidified air processing module；The temperature adjusting and dehumidifying air treatment module includes air-conditioner set and steam compressed temperature-adjustable dehumidifier
Group；Air-conditioner set includes being equipped with the cabinet of fresh wind port and hot-air inlets and being arranged in the box house and along air stream
Evaporator, the first condenser and the pressure fan that dynamic direction is set gradually；The steam compressed temperature adjusting and dehumidifying unit includes electronic
Triple valve, throttle valve, the second condenser and compressor；
The outlet end of the evaporator is connected with the input end of the compressor, the outlet end of the compressor respectively with institute
State the input end of the first condenser, the first input end of second condenser is connected, the outlet end of first condenser with
The first end of the electric T-shaped valve is connected, and the first exit end of second condenser and the second of the electric T-shaped valve are led to
End is connected, and the third go side of the electric T-shaped valve is connected by the throttle valve with the input end of the evaporator；
The air outlet of the pressure fan is connected with the air outlet of cubicle, the air outlet of no pressure tailrace tunnel respectively with it is described new
Air port, the air outlet of equipment room are connected；The cubicle is equipped with indoor end, the tail water without pressure tailrace tunnel and the room
Water loop module is provided between interior end；The exhaust outlet of the equipment room respectively with the hot-air inlets, the cubicle
Exhaust outlet be connected.
Wherein, the indoor end is fan coil and/or radiation tail end.
Wherein, the second outlet end of second condenser is connected with the exhalant canal of the water loop module, and described
Second input end of two condensers is connected with the intake tunnel of the water loop module.
Wherein, the second input end of second condenser and the exhaust outlet of the cubicle and/or the equipment room
Exhaust outlet is connected.
Second aspect, the present invention provide a kind of fortune of power station temperature adjusting and dehumidifying air-conditioning system provided by above-mentioned technical proposal
Row method, comprising:
Air inducing without pressure tailrace tunnel is delivered to equipment room, cooling is aerated to the equipment room whole year to realize；
Summer starts air-conditioner set and steam compressed temperature adjusting and dehumidifying unit, and the air inducing without pressure tailrace tunnel is delivered to fresh air
Mouthful, the fresh air after temperature adjusting and dehumidifying is delivered to the air outlet of cubicle by the air outlet of pressure fan；Start water loop module, so that
The tail water without pressure tailrace tunnel removes indoor sensible heat in indoor end and described without circulating between pressure tailrace tunnel；
Winter starts the air-conditioner set and closes the steam compressed temperature adjusting and dehumidifying unit, and equipment room temperature is higher
Air draft the hot-air inlets of air-conditioner set are delivered to by the exhaust outlet of the equipment room, by the air inducing without pressure tailrace tunnel
It is delivered to the fresh wind port, after hot wind is mixed with fresh air, sending for the cubicle is delivered to by the air outlet of the pressure fan
Air port.
Wherein, further includes: it is cold that the tail water without pressure tailrace tunnel by the intake tunnel of water loop module is delivered to second
Second input end of condenser, the tail water after heating are delivered to the water cyclic module by the second outlet end of second condenser
The exhalant canal of block.
Wherein, further includes: wind regime is delivered to institute by the exhaust outlet of the equipment room and/or the exhaust outlet of the cubicle
The second input end for stating the second condenser, the wind regime after heating are discharged by the second outlet end of second condenser.
(3) beneficial effect
Temperature adjusting and dehumidifying air-conditioning system in power station provided by the invention and its operation method, whole year make full use of without pressure tailrace tunnel
Induced draught system is aerated cooling to the equipment room of golf calorific value；Tailrace tunnel ventilation system is utilized in summer and transition season
Fresh air dehumidification is carried out to cubicle with temperature adjusting and dehumidifying air treatment system, and is combined with indoor end to cubicle using tail water
Cool down, realizes temperature and humidity independent control；Winter is by the heat of high temperature air draft between reclaimer for cubicle
Heating.The system make full use of without pressure tailrace tunnel natural cold source and power station equipment calorific value realize each functional area cooling,
Dehumidifying and heating have significant energy-saving effect, while using temperature humidity independent control, can significantly reduce fan energy consumption,
Air-conditioning system occupied area is saved, investment is reduced.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the schematic illustration of temperature adjusting and dehumidifying air-conditioning system in power station provided in an embodiment of the present invention；
Fig. 2 is that second condenser uses water-cooling pattern in temperature adjusting and dehumidifying air-conditioning system in power station provided in an embodiment of the present invention
Schematic illustration；
Fig. 3 is that second condenser uses air cooling way in temperature adjusting and dehumidifying air-conditioning system in power station provided in an embodiment of the present invention
Schematic illustration；
Fig. 4 is the structural block diagram of the operation method of temperature adjusting and dehumidifying air-conditioning system in power station provided in an embodiment of the present invention；
Wherein, A, without pressure tailrace tunnel；B, cubicle；C, equipment room；D, air-conditioner set；E, temperature adjusting and dehumidifying air-treatment mould
Block；1, it stands outer fresh air；2a, the first air-valve；2b, the second air-valve；2c, third air-valve；2d, the 4th air-valve；3, fresh wind port；4, air
Filter；5, evaporator；6, the first condenser；7, pressure fan；8, the air outlet of pressure fan；9, hot-air inlets；10, it compresses
Machine；11, throttle valve；12, electric T-shaped valve；13, the second condenser；14, cooling medium；15, the exhaust outlet of equipment room；16, it sets
Air outlet between standby；17, air-introduced machine；18, the first valve；19, water pump；20, the air outlet of cubicle；21, indoor end；22,
The exhaust outlet of cubicle；23, exhaust blower；24, the second valve.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 is the schematic illustration of temperature adjusting and dehumidifying air-conditioning system in power station provided in an embodiment of the present invention, as shown in Figure 1,
Temperature adjusting and dehumidifying air-conditioning system in power station provided in an embodiment of the present invention, comprising: temperature adjusting and dehumidifying air treatment module E；Temperature adjusting and dehumidifying
Air treatment module E includes air-conditioner set D and steam compressed temperature adjusting and dehumidifying unit；Air-conditioner set D include equipped with fresh wind port 3 and
The cabinet of hot-air inlets 9 and the condensation of evaporator 5, first that box house is set and is set gradually along air-flow direction
Device 6 and pressure fan 7；The left side of cabinet is equipped with opening compatible with the air outlet 8 of pressure fan, the right side of cabinet be equipped with it is new
Air port 3, the upper surface of cabinet are provided with hot-air inlets 9, the surface of pressure fan 7 are located at the setting of hot-air inlets 9；
Steam compressed temperature adjusting and dehumidifying unit includes electric T-shaped valve 12, throttle valve 11, the second condenser 13 and compressor
10；
The outlet end of evaporator 5 is connected with the input end of compressor 10, and the outlet end of compressor 10 is condensed with first respectively
The input end of device 6, the first input end of the second condenser 13 are connected, outlet end and the electric T-shaped valve 12 of the first condenser 6
First end is connected, and the first exit end of the second condenser 13 is connected with the second go side of electric T-shaped valve 12, electric T-shaped valve 12
Third go side be connected with the input end of evaporator 5 by throttle valve 11；
The air outlet 8 of pressure fan is connected with the air outlet 20 of cubicle, the air outlet without pressure tailrace tunnel A being in communication with the outside
It is connected respectively with the air outlet 16 of fresh wind port 3, equipment room.
It should be noted that the air outlet without pressure tailrace tunnel A is connected to by pipeline with the air outlet 16 of equipment room, the first pipe
Road is provided with air-introduced machine 17 and the second air-valve 2b, the second air-valve 2b and is arranged close to 16 side of air outlet of equipment room, air inducing
Machine 17 is provided with the second pipeline between air-introduced machine 17 and the second air-valve 2b close to the air outlet side setting without pressure tailrace tunnel A,
Second pipeline is connected with the first pipeline and fresh wind port 3 respectively, and the first air-valve 2a is provided on the second pipeline.
It should be noted that being additionally provided with air filter 4 between fresh wind port 3 and evaporator 5, entered by fresh wind port 3
Air inducing pass through the filtering of air filter 4 first, pass through evaporator 5.
It is understood that refrigerant absorbs the system for becoming low-temp low-pressure after heat in the evaporator 5 of direct-expansion-type
Refrigerant vapor, subsequently into compressor 10, the refrigerant vapour of boil down to high temperature and pressure, then the refrigerant of high temperature and pressure steams
Gas respectively enters in the first condenser 6 and the second condenser 13, cooling by the air inducing of low temperature and low humidity in the first condenser 6, In
Cooling by corresponding cooling medium 14 in second condenser 13, condensed liquid refrigerant respectively enters electric T-shaped valve 12
In, then enter evaporator 5 after the throttling of throttle valve 11 and constantly recycle, electric T-shaped valve 12 is used to adjust 6 He of the first condenser
The flow of refrigerant in second condenser 13.
In embodiments of the present invention, for works such as main building, the bus cavern of main transformer room and connection therebetween
The equipment room C of the golf calorific value of skill equipment arrangement, since annual equipment heating amount is big, it is therefore desirable to which whole year is cooling, summer high temperature
Fresh air 1, which is first passed around, outside the station of high humidity occurs hot and humid area without pressure tailrace tunnel and the lower tail water of temperature, conveys after cool-down dehumidification
To the air outlet 16 of equipment room, cooling is aerated to the whole year of equipment room C to realize；For personnel concentrate cubicle B,
Since indoor calorific value is relatively small, summer needs cool-down dehumidification, and winter needs heat supply.
On the basis of the above embodiments, cubicle B is equipped with indoor end 21, the tail water of no pressure tailrace tunnel and interior end
Water loop module is provided between end 21.
In embodiments of the present invention, water loop module includes interconnected exhalant canal and intake tunnel.Intake tunnel
On be provided with water pump 19 and the second valve 24, water pump 19 is leaned on close to the tail water side setting without pressure tailrace tunnel, the second valve 24
Nearly 21 side of indoor end setting.Wherein, indoor end is fan coil and/or radiation tail end.
When summer, start air-conditioner set and steam compressed temperature adjusting and dehumidifying unit, air inducing is passed through into the outlet air without pressure tailrace tunnel
Mouth is delivered to fresh wind port, into air-conditioner set D, first by 5 depth of the evaporator of direct-expansion-type except clammy in air-conditioner set D
But, the air outlet 8 then after 6 temperature adjustment of the first condenser to ventilation state point through pressure fan is delivered to the air-supply of cubicle
Mouth 20 carries out temperature adjusting and dehumidifying to cubicle B.Water loop module is opened simultaneously, and tail water enters cubicle B under the action of water pump 19
Indoor end 21 in, sensible heat in decontamination chamber.Water can be according to circumstances closed when indoor excess heat is smaller in transition season
Pump 19.Therefore the embodiment of the present invention cooling season made full use of using independent temperature-humidity control by the way of tail water and without press tail water
The natural cold source combination dehumidification and temperature adjustment air treatment module in hole is handled wet more than the waste heat of cubicle, takes full advantage of water power
Natural cold source of standing carries out heat and wet treatment, and it is big to solve traditional all-air system air quantity, and fan energy consumption is high, air-conditioning system occupied area
Greatly, high problem is invested.
On the basis of the above embodiments, as shown in Fig. 2, the second outlet end of the second condenser 13 and water loop module
Exhalant canal is connected, and the second input end of the second condenser 13 is connected with the intake tunnel of water loop module.
In embodiments of the present invention, it is provided with another intake tunnel between water pump 19 and the second valve 24, another
Intake tunnel is connected to the second input end of intake tunnel and the second condenser 13 respectively, and is provided on another intake tunnel
One valve 18；The second outlet end of second condenser 13 passes through the exhalant canal phase of another exhalant canal and water loop module
Even.
On the basis of the above embodiments, the exhaust outlet 15 of the equipment room exhaust outlet with hot-air inlets 9, cubicle respectively
22 are connected.
In embodiments of the present invention, the exhaust outlet 15 of equipment room is connected by the first air duct with hot-air inlets 9, and first
Third air-valve 2c is provided on air duct, the exhaust outlet 15 of equipment room is also connected by the second air duct with the exhaust outlet 22 of cubicle
It is logical, it is provided with the 4th air-valve 2d on the second air duct, exhaust blower 23 is additionally provided on the second air duct.
Fresh air 1 first passes around wet without the pressure tailrace tunnel tail water progress heat relatively high with temperature outside the lower station of winter temperature
Air inducing is delivered to fresh wind port by the air outlet without pressure tailrace tunnel, the compression of steam compressed temperature adjusting and dehumidifying unit at this time by exchange
Organ closes, and steam compressed temperature adjusting and dehumidifying circulation is not run；Meanwhile the third air-valve 2c on the exhausting duct of equipment room C is opened, it is high-incidence
The air draft of the equipment room C of heat enters in air-conditioner set D through hot-air inlets 9 be mixed into sending with the air inducing after tail water preheating
Cubicle B is sent into indoor carry out heat supply by pressure fan 7 after wind state point, the aperture of third air-valve 2c and the 4th air-valve 2d want root
It is adjusted according to the temperature of cubicle B, water pump 19 is not run at this time.
On the basis of the above embodiments, as shown in figure 3, the air draft of the second input end and cubicle of the second condenser 13
The exhaust outlet 15 of mouth 22 and/or equipment room is connected.
In embodiments of the present invention, it is provided between the air outlet of exhaust blower 23 and the second input end of the second condenser 13
Third air hose.The condenser heat of refrigerant release is drained into outside station by the second outlet end of the second condenser 13 with air draft.
The operation method of temperature adjusting and dehumidifying air-conditioning system in power station provided by the above embodiment, as shown in Figure 4, comprising:
S1, by the air outlet for equipment room of standing outer fresh air by the air outlet without pressure tailrace tunnel and be delivered to, so that realization is to setting
Whole year is aerated cooling between standby；
S2 starts air-conditioner set and steam compressed temperature adjusting and dehumidifying unit, and the outer fresh air that will stand passes through the outlet air without pressure tailrace tunnel
Mouth is delivered to fresh wind port, and the fresh air after temperature adjusting and dehumidifying is delivered to the air outlet of cubicle by the air outlet of pressure fan.
In embodiments of the present invention, for works such as main building, the bus cavern of main transformer room and connection therebetween
The equipment room C of the golf calorific value of skill equipment arrangement, since annual equipment heating amount is big, it is therefore desirable to which whole year is cooling, summer high temperature
Fresh air, which is first passed around, outside the station of high humidity occurs hot and humid area without pressure tailrace tunnel and the lower tail water of temperature, after cool-down dehumidification, will draw
Wind is delivered to the air outlet 16 of equipment room by the air outlet without pressure tailrace tunnel, leads to realize to the whole year of equipment room C
Wind cooling；For the cubicle B that personnel concentrate, since indoor calorific value is relatively small, summer needs refrigerated dehumidification, winter
It needs to room heat supply, to guarantee indoor occupant health and thermal comfort requirement.Starting air-conditioner set and steam compressed temperature adjustment remove
Air inducing is delivered to fresh wind port by the air outlet without pressure tailrace tunnel by wet unit, first in air-conditioner set D into air-conditioner set D
First by the 5 depth dehumidification cooling of evaporator of direct-expansion-type, then pass through after 6 temperature adjustment of the first condenser to ventilation state point
The air outlet 8 of pressure fan is delivered to the air outlet 20 of cubicle, carries out temperature adjusting and dehumidifying to cubicle B.The system makes full use of nothing
The cooling, dehumidifying and heating of each functional area are realized in the natural cold source of pressure tailrace tunnel and power station equipment calorific value, are had significant
Energy-saving effect, while temperature humidity independent control is used, fan energy consumption can be significantly reduced, air-conditioning system occupied area is saved,
Reduce investment.
On the basis of the above embodiments, further includes: starting air-conditioner set simultaneously closes steam compressed temperature adjusting and dehumidifying unit, will
Hot wind is delivered to hot-air inlets by the exhaust outlet of equipment room, and the outer fresh air that will stand is delivered to by the air outlet without pressure tailrace tunnel
After hot wind is mixed with fresh air, the air outlet of cubicle is delivered to by the air outlet of pressure fan for fresh wind port.
In embodiments of the present invention, outside the lower station of winter temperature fresh air 1 first pass around without pressure tailrace tunnel it is opposite with temperature
Higher tail water carries out hot and humid area, and air inducing is delivered to fresh wind port by the air outlet without pressure tailrace tunnel, steam compressed at this time
The compressor of temperature adjusting and dehumidifying unit is closed, and steam compressed temperature adjusting and dehumidifying circulation is not run；Meanwhile on the exhausting duct of equipment room C
Third air-valve 2c is opened, and the air draft of the equipment room C of golf calorific value enters in air-conditioner set D through hot-air inlets 9 to be preheated with tail water
Fresh air, which be mixed into after ventilation state point, outside station afterwards is sent into cubicle B to indoor carry out heat supply, third air-valve by pressure fan 7
The aperture of 2c and the 4th air-valve 2d will be adjusted according to the temperature of cubicle B.
On the basis of the above embodiments, further includes: starting water loop module, so that without the tail water in pressure tailrace tunnel in room
Interior end and without pressure tailrace tunnel between circulate.
In embodiments of the present invention, when summer, start air-conditioner set and steam compressed temperature adjusting and dehumidifying unit, air inducing is passed through
Air outlet without pressure tailrace tunnel is delivered to fresh wind port, into air-conditioner set D, first by direct-expansion-type in air-conditioner set D
Then 5 depth dehumidification cooling of evaporator passes through the air outlet 8 of pressure fan after 6 temperature adjustment of the first condenser to ventilation state point
It is delivered to the air outlet 20 of cubicle, temperature adjusting and dehumidifying is carried out to cubicle B.Water loop module is opened simultaneously, tail water is in water pump 19
Under the action of into cubicle B indoor end 21 in, sensible heat in decontamination chamber.In transition season, when indoor excess heat is smaller,
It can according to circumstances switch off the pump 19.Therefore the present invention makes full use of tail in cooling season by the way of independent temperature-humidity control
Water and natural cold source combination dehumidification and temperature adjustment air treatment module without pressure tailrace tunnel are handled wet more than the waste heat of cubicle, are filled
Power station natural cold source point is utilized and carries out heat and wet treatment, solves that traditional all-air system air quantity is big, and fan energy consumption is high, air-conditioning
System footprint area is big, invests high problem.
On the basis of the above embodiments, further includes: logical by the water inlet of water loop module without the tail water in pressure tailrace tunnel
Road is delivered to the second input end of the second condenser, and the tail water after heating is delivered to water by the second outlet end of the second condenser
The exhalant canal of loop module；
Alternatively, wind regime is delivered to the second of the second condenser by the exhaust outlet of equipment room and/or the exhaust outlet of cubicle
Input end, the wind regime after heating are discharged by the second outlet end of the second condenser.
In embodiments of the present invention, it is provided with another intake tunnel between water pump 19 and the second valve 24, another
Intake tunnel is connected to the second input end of intake tunnel and the second condenser 13 respectively, and is provided on another intake tunnel
One valve 18；The second outlet end of second condenser 13 passes through the exhalant canal phase of another exhalant canal and water loop module
Even.Alternatively, being provided with third air hose between the air outlet of exhaust blower 23 and the second input end of the second condenser 13.Refrigerant is released
The condenser heat put is drained into outside station by the second outlet end of the second condenser 13 with air draft.
In the present invention is implemented, for techniques such as main building, the bus cavern of main transformer room and connection therebetween
The equipment room C of the golf calorific value of equipment arrangement, since annual equipment heating amount is big, it is therefore desirable to which whole year is cooling.Summer high temperature is high
Fresh air, which is first passed around, outside wet station occurs hot and humid area without pressure tailrace tunnel and the lower tail water of temperature, after cool-down dehumidification, by the
Two air-valve 2b adjust air quantity, and equipment room C is entered under the action of air-introduced machine 17, take away it is wet more than the waste heat of equipment room C after by equipment
Between exhaust outlet 15 be discharged, at this time third air-valve 2c close, the 4th air-valve 2d open, air draft enters exhausting duct, in exhaust blower 23
Under the action of be discharged；
Fresh air first passes around wet without the pressure tailrace tunnel tail water progress heat relatively high with temperature outside the lower station of winter temperature
Exchange, temperature, which is increased to after ventilation state point under the effect of air-introduced machine 17, enters equipment room C through the second air-valve 2b, between device for transferring
It is wet more than the waste heat of C, it is increased by the pretreated air inducing temperature of tail water, can be avoided causes to set because newly air temperature is too low outside station
Standby surface sweating phenomenon.Third air-valve 2c on the exhausting duct of equipment room C is opened, and air draft a part of equipment room C is through third wind
Valve 2c enters in air-conditioner set D, and extra air draft is discharged into exhausting duct through the 4th air-valve 2d.
For cubicle B since indoor calorific value is relatively small, to guarantee indoor occupant health and thermal comfort requirement.Summer
Season high temperature and humidity station outside fresh air first pass around without pressure tailrace tunnel, hot and humid area, cool-down dehumidification occurs with the lower tail water of temperature
Afterwards, air inducing adjusts air quantity by the first air-valve 2a, into air-conditioner set D, first by the steaming of direct-expansion-type in air-conditioner set D
5 depth dehumidification cooling of device is sent out, is then sent under the action of pressure fan 7 after 6 temperature adjustment of the first condenser to ventilation state point
Cubicle B dehumidifies to cubicle B.The air draft of cubicle B enters exhausting duct together with the air draft of equipment room C in exhaust blower
It is discharged under the action of 23.Tail water enters under the action of water pump 19 in the indoor end 21 of cubicle B simultaneously, shows in decontamination chamber
Heat.In transition season, when indoor excess heat is smaller, water circulating pump 19 can be according to circumstances closed.Therefore the embodiment of the present invention
It makes full use of tail water and tailrace tunnel ventilation natural cold source to combine by the way of independent temperature-humidity control in cooling season to remove
Wet tempering air processing system is handled wet more than the waste heat of personnel's Administrative Area, take full advantage of power station natural cold source into
Row heat and wet treatment, it is big to solve traditional all-air system air quantity, and fan energy consumption is high, and air-conditioning system takes up a large area, invests high
Problem.Fresh air, which is first passed around, outside the lower station of winter temperature carries out the wet friendship of heat without the relatively high tail water of pressure tailrace tunnel and temperature
It changes, the air inducing after temperature increases enters air-conditioner set D through the first air-valve 2a, at this time the compressor of steam compressed temperature adjusting and dehumidifying unit
It closes, steam compressed temperature adjusting and dehumidifying circulation is not run；Meanwhile the third air-valve 2c on the exhausting duct of equipment room C is opened, equipment room
The air draft of C enters in air-conditioner set D through third air-valve 2c to be carried out being mixed into air-supply with the air inducing after tail water preheating in air-conditioner set D
Cubicle B is sent into indoor carry out heat supply by pressure fan 7 after state point, the aperture of third air-valve 2c and the 4th air-valve 2d will bases
The temperature of cubicle B is adjusted, and water pump 19 is not run at this time.Therefore, power station temperature adjusting and dehumidifying provided in an embodiment of the present invention
The heat that air-conditioning system can make full use of golf calorific value equipment room air draft carries out heat supply to cubicle, saves for thermal energy consumption.
Temperature adjusting and dehumidifying air-conditioning system in power station provided in an embodiment of the present invention, in conjunction with power station golf calorific value equipment room and people
The hot humidity load characteristic of member zone of action office, makes full use of the heat in natural cold source and air draft to construct efficient air-conditioning respectively
System can make full use of natural cold source to carry out annual cooling to golf calorific value equipment room and recycle golf calorific value equipment room
The heat of air draft, the personnel activity region office air-conditioning system that building operation is efficient, regulation performance is excellent；Using without pressure tail water
To standing, outer fresh air is cooled down, dehumidify pretreatment in hole, carries out dehumidifying and reheating to air inducing；Utilize the lower tail water of temperature and interior
End combines the indoor sensible heat of removing, and the embodiment of the present invention is warm and humid using the cooling of dedicated outdoor air system combination tail water indoor end
Independence control air conditioner system is spent, it is big to solve all-air system space occupied, and initial cost is high, the high problem of operation energy consumption；Winter
Using through being mixed with the high temperature air draft of golf calorific value equipment room without fresh air outside the pressure pretreated station of tailrace tunnel to air supply parameter, directly
It picks into Administrative Area, constructs low energy consumption system, have and improve air quality, the advantage of highly effective heating.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member
It is physically separated with being or may not be, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case where, it can understand and implement.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (7)
1. a kind of power station temperature adjusting and dehumidifying air-conditioning system characterized by comprising temperature adjusting and dehumidifying air treatment module；The tune
Warm dehumidified air processing module includes air-conditioner set and steam compressed temperature adjusting and dehumidifying unit；Air-conditioner set include be equipped with fresh wind port with
And hot-air inlets cabinet and the box house is set and set gradually along air-flow direction evaporator, first
Condenser and pressure fan；The steam compressed temperature adjusting and dehumidifying unit include electric T-shaped valve, throttle valve, the second condenser and
Compressor；
The outlet end of the evaporator is connected with the input end of the compressor, and the outlet end of the compressor is respectively with described
The input end of one condenser, second condenser the first input end be connected, the outlet end of first condenser with it is described
The first end of electric T-shaped valve is connected, the first exit end and the second go side phase of the electric T-shaped valve of second condenser
Even, the third go side of the electric T-shaped valve is connected by the throttle valve with the input end of the evaporator；
The air outlet of the pressure fan is connected with the air outlet of cubicle, it is no pressure tailrace tunnel air outlet respectively with the fresh air
Mouth, the air outlet of equipment room are connected；The cubicle is equipped with indoor end, the tail water without pressure tailrace tunnel and the interior
Water loop module is provided between end；The exhaust outlet of the equipment room respectively with the hot-air inlets, the cubicle
Exhaust outlet is connected.
2. temperature adjusting and dehumidifying air-conditioning system in power station according to claim 1, which is characterized in that the indoor end is blower
Coil pipe and/or radiation tail end.
3. temperature adjusting and dehumidifying air-conditioning system in power station according to claim 1, which is characterized in that the of second condenser
Two outlet ends are connected with the exhalant canal of the water loop module, and the second input end and the water of second condenser recycle
The intake tunnel of module is connected.
4. temperature adjusting and dehumidifying air-conditioning system in power station according to claim 1, which is characterized in that the of second condenser
Two input ends are connected with the exhaust outlet of the exhaust outlet of the cubicle and/or the equipment room.
5. a kind of operation method of such as described in any item power station temperature adjusting and dehumidifying air-conditioning systems of Claims 1-4, feature exist
In, comprising:
Air inducing without pressure tailrace tunnel is delivered to equipment room, cooling is aerated to the equipment room whole year to realize；
Summer starts air-conditioner set and steam compressed temperature adjusting and dehumidifying unit, and the air inducing without pressure tailrace tunnel is delivered to fresh wind port, is adjusted
Fresh air after temperature dehumidifying is delivered to the air outlet of cubicle by the air outlet of pressure fan；Start water loop module, so that described
Tail water without pressure tailrace tunnel removes indoor sensible heat in indoor end and described without circulating between pressure tailrace tunnel；
Winter starts the air-conditioner set and closes the steam compressed temperature adjusting and dehumidifying unit, by the higher row of equipment room temperature
Wind is delivered to the hot-air inlets of air-conditioner set by the exhaust outlet of the equipment room, and the air inducing without pressure tailrace tunnel is conveyed
To the fresh wind port, after hot wind is mixed with fresh air, the air outlet of the cubicle is delivered to by the air outlet of the pressure fan.
6. operation method according to claim 5, which is characterized in that further include:
The tail water without pressure tailrace tunnel is delivered to the second input end of the second condenser by the intake tunnel of water loop module,
Tail water after heating is delivered to the exhalant canal of the water loop module by the second outlet end of second condenser.
7. operation method according to claim 5, which is characterized in that further include:
Wind regime is delivered to the of second condenser by the exhaust outlet of the equipment room and/or the exhaust outlet of the cubicle
Two input ends, the wind regime after heating are discharged by the second outlet end of second condenser.
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| CN201910745052.4A CN110440355B (en) | 2019-08-13 | 2019-08-13 | Hydropower station temperature-regulating dehumidifying air-conditioning system and operation method thereof |
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| CN110440355B (en) | 2023-11-17 |
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