CN102721128B - Hydropower air-conditioning system enabling reservoir water to serve as cold source or heat source - Google Patents
Hydropower air-conditioning system enabling reservoir water to serve as cold source or heat source Download PDFInfo
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- CN102721128B CN102721128B CN201210212523.3A CN201210212523A CN102721128B CN 102721128 B CN102721128 B CN 102721128B CN 201210212523 A CN201210212523 A CN 201210212523A CN 102721128 B CN102721128 B CN 102721128B
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Abstract
The invention discloses a hydropower air-conditioning system enabling reservoir water to serve as a cold source or a heat source. The hydropower air-conditioning system comprises a backwater supply system and a hydropower air-conditioning cold/hot water machine set. The backwater supply system is used for enabling the reservoir water to be pumped out to serve as the cold source or the heat source of the air-conditioning machine set, and the air-conditioning cold/hot water machine set comprises a compressor, a shell and tube evaporator, an expansion valve, a shell and tube condenser and eight function converting water valves. The reservoir water is utilized to serve as the cold source or the low-temperature heat source, and chilled water or heating medium water is provided through reverse Carnot cycle of the machine set. The hydropower air-conditioning system can simultaneously have energy-saving modes such as a transition season and winter refrigeration energy-saving mode, a winter heating energy-saving mode, a summer refrigeration energy-saving mode and a summer fresh air precooling energy-saving mode.
Description
Technical field
The present invention relates to air-conditioning technical field, in particular a kind of water power air-conditioning system of utilizing reservoir water to make low-temperature receiver or thermal source.
Background technology
Most power station air-conditioning system is still by traditional thinking and design, the same with other building, be designed to general common air-conditioning system, as common air-cooled cold (heat) water unit adds the central air conditioner system that end or the cold handpiece Water Chilling Units of light water add end, its operational efficiency is low, energy consumption is large.Environment and the resource of power station uniqueness do not considered in the design of this system completely, only consider how to realize air-conditioning system, and do not consider to utilize unique environments and resource to realize the problem of air conditioner energy saving, thereby cause power station keeping inexhaustible renewable resource---" deep layer thermostated reservoir water " need not, and adopt other not energy-conservation cooling or mode of heating.The common air-conditioning system of these types of cooling, can not meet " energy-saving and emission-reduction " policy that current country advocates, and the requirement of construction of energy economizing type, friendly environment society.
Power station itself has advantageous renewable resource " deep layer reservoir water ", its water temperature is between 7-25 DEG C (15-25 DEG C of summer, winter 7-15 DEG C) throughout the year, the reservoir water of this temperature is extremely suitable for air conditioner system energy saving application, if obtain good application, can save in a large number the power station heating ventilation air-conditioning system required electric energy that turns round.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The object of the present invention is to provide a kind of water power air-conditioning system of utilizing reservoir water to make low-temperature receiver or thermal source, be intended to solve unique environments and the resource that existing power station air-conditioning system do not make full use of self and realize the problem of air conditioner energy saving.
Technical scheme of the present invention is as follows:
A kind of water power air-conditioning system of utilizing reservoir water to make low-temperature receiver or thermal source, wherein, comprise water supply and return system and water power air-conditioning cold (heat) water unit, described water supply and return system is for extracting reservoir water out low-temperature receiver or thermal source as air-conditioning, described water power air-conditioning cold (heat) water unit is used for by utilizing reservoir water freeze or heat as low-temperature receiver or thermal source, described water power air-conditioning cold (heat) water unit comprises compressor, shell-tube evaporator, expansion valve, Shell-tube Condenser, 8 function conversion water valves, described Shell-tube Condenser water inlet connects one end of the second function conversion water valve and one end of the 4th function conversion water valve by threeway, described Shell-tube Condenser delivery port connects one end of five-function conversion water valve and one end of the 7th function conversion water valve by threeway, shell-tube evaporator water inlet connects one end of the first function conversion water valve and one end of the 3rd function conversion water valve by threeway, the delivery port of described shell-tube evaporator connects one end of the 6th function conversion water valve and one end of the 8th function conversion water valve by threeway, and chilled water (hot water) return pipe of water power air-conditioning connects the other end of the 3rd function conversion water valve and the other end of the 4th function conversion water valve by threeway, chilled water (hot water) feed pipe of water power air-conditioning connects the other end of the 7th function conversion water valve and the other end of the 8th function conversion water valve by threeway, three-way control valve connects the other end of the first function conversion water valve and the other end of the second function conversion water valve by threeway, common water valve connects the other end of five-function conversion water valve and the other end of the 6th function conversion water valve by threeway, three-way control valve connects the feed water inlet of the water supply and return system of water power air-conditioning, common water valve connects the water return outlet of the water supply and return system of water power air-conditioning.
The described reservoir water of utilizing is made the water power air-conditioning system of low-temperature receiver or thermal source, wherein, described water supply and return system is the water supply and return system that directly uses reservoir water, it comprises screen pack, suction pump, insulation feed pipe and check-valves, on the delivery port of described screen pack, suction pump and check-valves, be all provided with gate valve, between each assembly, be communicated with by insulation feed pipe; Screen pack connects suction pump, and suction pump connects the check-valves composition assembly that draws water, described in the assembly that draws water at least a set of; The water of extracting out is sent into reservoir water dirt separator and is carried out precipitation process, then through electric water treatment device and y-type filter purify, output after softening processing.
The described reservoir water of utilizing is made the water power air-conditioning system of low-temperature receiver or thermal source, wherein, on the delivery port of described water supply and return system, be provided with plate type heat exchanger, plate type heat exchanger connects water circulating pump, reservoir water is directly returned in reservoir in plate type heat exchanger with after recirculated water heat exchange, recirculated water is under the effect of water circulating pump, for water power air-conditioning equipment provides required low-temperature receiver or thermal source.
The described reservoir water of utilizing is made the water power air-conditioning system of low-temperature receiver or thermal source, and wherein, described system also comprises water power air conditioning terminal unit, and described water power air conditioning terminal unit comprises air outlet, new wind entrance and return air entrance, and return air air-valve is arranged on return air entrance, new wind air-valve, new wind filter and desuperheating coil are arranged on new wind entrance successively, and new wind is first by new wind air-valve, in air outlet, be disposed with surface air cooler and manger board segment, air-treatment section and air supply section, the chilled water of water power air-conditioning or hot water feeding pipe and chilled water or hot water return pipe are connected on surface air cooler and manger board segment, the return pipe that supplies of desuperheating coil is connected on three-way control valve and is changed in the parallel connected end of water valve with the first function conversion water valve and the second function by precooling water intaking valve and precooling back-water valve (BWV) respectively, change in the parallel connected end of the first function conversion water valve and the second function conversion water valve and five-function conversion water valve and the 6th function between the parallel connected end of water valve and be provided with water valve, the end coil pipe back-water valve (BWV) of described new blower fan group and end disk water inlet tube valve are connected on the delivery port and water inlet of common water valve, the water inlet pipe of described end coil pipe is also connected chilled water or hot water inlet pipe and chilled water or hot water return pipe by end coil pipe chilled water or hot water water intaking valve respectively with outlet pipe with end coil pipe chilled water or hot water backwater's valve.
The described reservoir water of utilizing is made the water power air-conditioning system of low-temperature receiver or thermal source, wherein, also comprise water power air conditioner fresh air unit, described new blower fan group comprises an air outlet and two air inlets, breeze fan is arranged on air outlet, and return air filter, end coil pipe and return air air-valve are arranged in return air inlet successively; The first new wind air-valve, new wind filter and the second new wind air-valve are arranged in new wind air port successively, and described end coil pipe is connected to chilled water or hot water inlet pipe and chilled water or hot water return pipe by end coil pipe chilled water or hot water water intaking valve, end coil pipe chilled water or hot water backwater's valve; And be connected on water supply and return system by end disk water inlet tube valve and end coil pipe back-water valve (BWV).
Beneficial effect of the present invention: the unreasonable part of design that the present invention does not consider power station unique environments and resource by abandoning existing general common air-conditioning system, suit measures to local conditions land productivity with the advantageous renewable resource in power station " deep layer thermostated reservoir water ", as the low-temperature receiver of air-conditioning system refrigeration or the thermal source of heating, compared with adding with common air-cooled cold (heat) water unit the central air conditioner system that end or the cold handpiece Water Chilling Units of light water add end, shorten the opening time of air-conditioner host, condensation temperature or the evaporating temperature of air-conditioner host are reduced, save cooling tower, thereby improve main frame operational efficiency, when greatly saving energy consumption, also promoted the feature of environmental protection.Power station employing can make full use of power station " deep layer thermostated reservoir water " and realize energy-efficient, reliable water power air-conditioning system, thereby realizes the energy-conservation of power station air-conditioning system refrigeration and heat supply running.
Brief description of the drawings
Fig. 1 is the water power air-conditioning water supply and return system structural representation that directly uses reservoir water in the present invention.
Fig. 2 is the water power air-conditioning water supply and return system structural representation that indirect of the present invention is used reservoir water.
Fig. 3 is water power air-conditioning new blower fan group structural representation in transition season and winter refrigeration pattern in the present invention.
Fig. 4 is the water power air-conditioning system architecture schematic diagram under heating and refrigerated energy-saving pattern in the winter time in the present invention.
Fig. 5 is the system architecture schematic diagram of water power air-conditioning under summer pre-cooling of fresh air and refrigerated energy-saving pattern in the present invention.
Detailed description of the invention
For making object of the present invention, technical scheme and advantage clearer, clear and definite, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.
Water power air-conditioning system composition comprises power station deep layer reservoir water water supply and return system and realizes the air-conditioning equipment of water power air-conditioning system function.Air-conditioning equipment in this water power air-conditioning system comprises: the equipment such as energy-efficient water power air conditioner fresh air unit, energy-efficient water power air-conditioning cold (heat) water unit and energy-efficient water power air conditioning terminal unit.
Referring to Fig. 1, the water supply and return system that power station deep layer reservoir water is directly used provided by the invention, this system comprises: screen pack 11, suction pump 12, insulation feed pipe, check-valves 13 and gate valve 14, on the delivery port of described screen pack 11, suction pump 12 and check-valves 13, be all provided with gate valve 14, between each assembly, be communicated with by insulation feed pipe, screen pack connects suction pump, and suction pump connects check-valves and forms the assembly that draws water.Power station deep layer thermostated reservoir water 10 is under suction pump 12 effects, after water suction screen pack 11, insulation feed pipe, suction pump 12 and check-valves 13, also need to send into reservoir water dirt separator 15 and carry out precipitation process, again through the equipment clean such as electric water treatment device 16 and y-type filter 17, softening processing, and after provide summer refrigeration and the required Cooling and Heat Source of Winter heat supply through water supply outlet valve 18 for power station, finally heat exchange end loop is returned in Hydropower Plant Reservoir.
If reservoir water water supply and return system adopts the pattern indirectly using referring to Fig. 2, the water supply and return system that described reservoir water is used has indirectly increased plate type heat exchanger J1, water circulating pump J2 and circulating-water valve J3 on the system architecture basis of above-mentioned direct use, on the delivery port of described plate type heat exchanger J1, water circulating pump J2 and circulating-water valve J3, be all provided with gate valve 14, the delivery port of the water supply and return system directly using connects described plate type heat exchanger J1.Reservoir water is directly returned in reservoir in plate type heat exchanger J1 with after recirculated water heat exchange, and recirculated water is under the effect of water circulating pump J2, constantly for the energy-efficient water power air-conditioning equipment in power station provides required low-temperature receiver or thermal source.The detailed description of the invention of energy-efficient water power air conditioner energy saving pattern is directly to describe with reservoir water device a below.
Embodiment mono-
Transition season power station personnel office can directly window and ventilate, and do not consider for cold-peace heating, and annual 24 hours running generating mode of operations are implemented in power plant building, even if at nice and cool transition season, generator in power plant building also can produce a large amount of heats, need to adopt air-conditioning system heat radiation.
Described water power air-conditioning mainly comprises Hydropower Plant Reservoir water water supply and return system and water power air conditioner fresh air unit in transition season and winter refrigeration pattern.Referring to Fig. 3, the invention provides water power air conditioner fresh air unit and comprise: described new blower fan group comprises an air outlet and two air inlets.Breeze fan 21 is arranged on air outlet, and return air filter 24, end coil pipe 23 and return air air-valve 22 are arranged in return air inlet successively; The first new wind air-valve 25, new wind filter 27 and the second new wind air-valve 26 are arranged in new wind air port successively.Described end coil pipe 23 is connected to chilled water (hot water) water inlet pipe C and chilled water (hot water) return pipe D by end coil pipe chilled water (hot water) water intaking valve 53, end coil pipe chilled water (hot water) back-water valve (BWV) 52; And be connected on the water pipe of water supply and return system by end disk water inlet tube valve 51 and end coil pipe back-water valve (BWV) 50.
This advantageous renewable resource in power station in season " deep layer thermostated reservoir water " temperature is in 7-15 DEG C, open end coil pipe back-water valve (BWV) 50 and end disk water inlet tube valve 51 in accompanying drawing 3, in power plant building, end can adopt primary retirn air system, close the first new wind air-valve 25 and the second new wind air-valve 26, open return air air-valve 22.Power station deep layer reservoir water water supply and return system provides required cold water by the mode of operation of accompanying drawing 1 for power plant building end coil pipe in conjunction with power plant building institute chilling requirement, and reservoir water is returned in reservoir water after end coil pipe 23 and room return air heat exchange.Factory building return air after end coil pipe 23, pressure fan 21 for power plant building provides required cold wind, to ensure the normal operation of power plant building equipment.In winter, outside air temperature is lower, can meet the cooling requirement of hydropower station factory building, closes return air air-valve 22, opens the first new wind air-valve 25 and the second new wind air-valve 26, newly wind after newly wind filter 27, breeze fan 21 directly for power plant building provides cold wind; In addition, also can realize by the suitable adjusting of air-valve 25,26,22 the mixed ventilation pattern of new wind, return air.
In the winter time, except power plant building still needs cooling, power station office needs heat supply heating owing to there being personnel to handle official business.This season, the advantageous renewable resource in power station " deep layer thermostated reservoir water " temperature is in 7-15 DEG C, adopt energy-efficient water power air-conditioning system, low-temperature heat source using reservoir water as energy-efficient water power air-conditioning cold (heat) water unit evaporimeter, consume a small amount of electric energy by contrary Carnot cycle, low-grade thermostated reservoir hydro-thermal amount is transferred in high-grade air conditioning hot, and then be the heating of power station office, energy-conserving and environment-protective more.In addition, low-grade thermostated reservoir water also can be used as the low-temperature receiver of power plant building new blower fan group cooling after evaporimeter heat release, to reach making full use of of cold resource.Source pump operation in winter only needs to consume a small amount of electric energy just can realize room heating, without boiler and air source heat pump, has avoided the pollution to environment, has reached the object of energy-conserving and environment-protective.
Embodiment bis-
Referring to Fig. 4, water power air-conditioning in the winter time in heating and refrigeration mode main frame be water power air-conditioning cold (heat) water unit III, and water power air conditioning terminal unit IV and water power air conditioner fresh air unit II are optional unit.
Described water power air-conditioning cold (heat) water unit III comprises compressor 31, shell-tube evaporator 32, expansion valve 33,34,8 function conversion water valve F1-F8 of Shell-tube Condenser; The first function conversion water valve F1 connects the 3rd function conversion water valve F3 and forms the first pipeline; The second function conversion water valve F2 connects the 4th function conversion water valve F4 and forms second pipe; Five-function conversion water valve F5 connects the 7th function conversion water valve F7 and forms the 3rd pipeline; The 6th function conversion water valve F6 connects the 8th function conversion water valve F8 and forms the 4th pipeline; The first pipeline is in parallel with second pipe; The 3rd pipeline is in parallel with the 4th pipeline.Described Shell-tube Condenser 34 water inlets are connected between the second function conversion water valve F2 and the 4th function conversion water valve F4; Described Shell-tube Condenser 34 delivery ports are connected between five-function conversion water valve F5 and the 7th function conversion water valve F7; Shell-tube evaporator 32 water inlets are connected between the first function conversion water valve F1 and the 3rd function conversion water valve F3; The delivery port of described shell-tube evaporator 32 is connected between the 6th function conversion water valve F6 and the 8th function conversion water valve F8.Described the 3rd function conversion water valve F3 is connected chilled water (hot water) the return pipe B of water power air-conditioning with the parallel connected end of the 4th function conversion water valve F4; Described the 7th function conversion water valve F7 is connected chilled water (hot water) the feed pipe A of water power air-conditioning with the parallel connected end of the 8th function conversion water valve F8; The parallel connected end that the first function conversion water valve F1 and the second function are changed water valve F2 is connected the feed water inlet of the water supply and return system of water power air-conditioning by three-way control valve 58; The parallel connected end that five-function conversion water valve F5 and the 6th function are changed water valve F6 is connected the water return outlet of the water supply and return system of water power air-conditioning by common water valve 54.The end coil pipe back-water valve (BWV) 50 of described new blower fan group and end disk water inlet tube valve 51 are connected on the delivery port and water inlet of common water valve 54 in the present embodiment.The water inlet pipe of described end coil pipe 23 is also connected respectively chilled water (hot water) water inlet pipe C and chilled water (hot water) return pipe D with outlet pipe with end coil pipe chilled water (hot water) back-water valve (BWV) 52 by end coil pipe chilled water (hot water) water intaking valve 53.
Described water power air conditioning terminal unit IV comprises air outlet, new wind entrance and return air entrance, and return air air-valve 41 is arranged on return air entrance; New wind air-valve 42, new wind filter 43 and desuperheating coil 44 are arranged on new wind entrance successively, and new wind is first by new wind air-valve 42; In air outlet, be disposed with surface air cooler and manger board segment 45, air-treatment section 46 and air supply section 47.Chilled water (hot water) the feed pipe A of water power air-conditioning and chilled water (hot water) return pipe B are connected on surface air cooler and manger board segment 45.The return pipe that supplies of desuperheating coil 44 is connected on three-way control valve 58 and is changed in the parallel connected end of water valve F2 with the first function conversion water valve F1 and the second function by precooling water intaking valve 56 and precooling back-water valve (BWV) 57 respectively.Change in the parallel connected end of the first function conversion water valve F1 and the second function conversion water valve F2 and five-function conversion water valve F5 and the 6th function between the parallel connected end of water valve F6 and be provided with water valve 55.
The all water valves of water power air-conditioning system are adjusted to and are communicated with or closed condition by accompanying drawing 4, three-way control valve 58, end coil pipe back-water valve (BWV) 50 and end disk water inlet tube valve 51 are opened, the first function conversion water valve F1, the 4th function conversion water valve F4, the 6th function conversion water valve F6, the 7th function conversion water valve F7 open, all the other valve closings.
Water power air-conditioning cold (heat) water unit is normally worked, and cold-producing medium enters Shell-tube Condenser 34 and carries out heat release after compressor 31 compression, then after expansion valve 33 reducing pressure by regulating flows, enters shell-tube evaporator 32 and absorbs heat, then enter compressor and carry out refrigerant circulation.Power station deep layer reservoir water water supply and return system is normally worked by the mode of operation of accompanying drawing 1 in conjunction with power station institute calorific requirement, reservoir water enters shell-tube evaporator 32 after three-way control valve 58, the first function conversion water valve F1, serve as low-temperature heat source and to the low-temperature refrigerant heat release in package, the reservoir water completing after heat release is returned in reservoir through the 6th function conversion water valve F6, common water valve 54, completes reservoir water circulation.And the required heat medium water of heat supply is first changed common water valve F4 and enters Shell-tube Condenser and absorb the heat of high temperature refrigerant through function, high temperature heat medium water after heat exchange carries out heat supply through the backward equipment that needs hot water of function conversion water valve F7, after heat exchange, enter Shell-tube Condenser heat absorption, complete heat medium water circulation.
Winter, power station office needed heat supply, if joining energy-efficient water power air conditioning terminal unit IV, energy-efficient water power air-conditioning cold (heat) water unit III carries out the heat supply of power station Administrative Area, need close precooling water intaking valve 56 and precooling back-water valve (BWV) 57, air-supply requires suitably to regulate according to room for return air air-valve 41 and new wind air-valve 42.The heat medium water that cold (heat) water unit provides carries out heat treated to air after unit surface air cooler and manger board segment 45, then completes the heat supply to Administrative Area after other air-treatment section 46, air supply section 47 and ajutage.If office's matching device is energy-efficient water power air conditioner fresh air unit (office) II, close end coil pipe back-water valve (BWV) 50, end disk water inlet tube valve 51, open end coil pipe chilled water (hot water) back-water valve (BWV) 52 and end coil pipe chilled water (hot water) water intaking valve 53, and cold (heat) water unit III chilled water (hot water) is entered to return pipe C, D with end coil pipe chilled water (hot water) and is communicated with for return pipe A, B, provide heat medium water by cold (heat) water unit for end coil pipe.Close new wind air-valve 25,26, open return air air-valve 22, office room air provides required hot blast through return air filter 24, end coil pipe 23 and breeze fan 21 to indoor, reach Administrative Area in winter for heat request.
And winter, hydropower station factory building still needed cooling, it is energy-efficient water power air conditioner fresh air unit (power plant building) II that institute arranges standby, because of winter outside air temperature lower, can meet the cooling requirement of hydropower station factory building, close end coil pipe back-water valve (BWV) 50, end disk water inlet tube valve 51, end coil pipe chilled water (hot water) back-water valve (BWV) 52, end coil pipe chilled water (hot water) water intaking valve 53, return air air-valve 22, open new wind air-valve 25,26, new wind after newly wind filter 27, breeze fan 21 and ajutage directly for power plant building provides cold wind.In addition, when cold (heat) water unit III provides heat medium water, reservoir water temperature after shell-tube evaporator 32 further reduces, also the chilled water of end unit while can be used as power plant building cooling, it is common water valve 54, end coil pipe chilled water (hot water) back-water valve (BWV) 52, end coil pipe chilled water (hot water) water intaking valve 53 is adjusted to closed condition, end coil pipe back-water valve (BWV) 50, end disk water inlet tube valve 51 is adjusted to connected state, reservoir water enters power plant building end coil pipe 23 through end disk water inlet tube valve 51 again and carries out heat exchange after function conversion water valve F6, for room provides cold, and reservoir water is returned in reservoir through end coil pipe back-water valve (BWV) 50 after coil pipe 23 heat exchange endways, complete reservoir water circulation.
Referring to Fig. 5, system architecture in water power air-conditioning pre-cooling of fresh air in summer and refrigerated energy-saving pattern is consistent with embodiment bis-, main frame is energy-efficient water power air-conditioning cold (heat) water unit III, and cooling room cold wind can be provided by energy-efficient water power air conditioning terminal unit IV and energy-efficient water power air conditioner fresh air unit (power plant building or office) II.The all water valves of water power air-conditioning system are pressed accompanying drawing 5 in being communicated with or closed condition, three-way control valve 58, end coil pipe chilled water (hot water) water intaking valve 53, end coil pipe chilled water (hot water) back-water valve (BWV) 52, precooling water intaking valve 56, precooling back-water valve (BWV) 57, common water valve 54, the second function conversion water valve F2, the 3rd function conversion water valve F3, five-function conversion water valve F5, the 8th function conversion water valve F8 open, all the other valve closings.
Water power air-conditioning cold (heat) water unit is normally worked, and cold-producing medium enters Shell-tube Condenser 34 and carries out heat release after compressor 31 compression, then after expansion valve 33 reducing pressure by regulating flows, enters shell-tube evaporator 32 and absorbs heat, then enter compressor and carry out refrigerant circulation.Power station deep layer reservoir water water supply and return system is normally worked by the mode of operation of accompanying drawing 1 in conjunction with power station institute in summer chilling requirement, reservoir water enters Shell-tube Condenser 34 after three-way control valve 58, function conversion water valve F2, serve as the heat that cooling water absorbs the high temperature refrigerant in package, the reservoir water completing after heat absorption is returned in reservoir through function conversion water valve F5, common water valve 54, completes cooling water circulation.And the required chilled water of summer cooling first enters shell-tube evaporator through function conversion water valve F3 and lowers the temperature to low-temperature refrigerant heat release, then low temperature chilled water provides cold through the backward equipment that needs chilled water (chilled water) of function conversion water valve F8, after heat exchange, enter again shell-tube evaporator heat release cooling, complete chilled water (chilled water) circulation.
Summer, power station office and power plant building all needed cooling, if air-conditioning equipment configures energy-efficient water power air conditioning terminal unit IV, reservoir water enters desuperheating coil 44 after three-way control valve 58, precooling water intaking valve 56, new wind is carried out to precooling treatment, reservoir water after heat exchange is converged after precooling back-water valve (BWV) 57 Yu by the reservoir water of three-way control valve 58, and enter Shell-tube Condenser through function conversion water valve F2 and serve as cooling water, after heat exchange, return in reservoir water through function conversion water valve F5, common water valve 54, complete cooling water circulation.And end unit IV can suitably regulate return air air-valve 41 and new wind air-valve 42 according to the requirement of power plant building and office's air-supply, new wind after precooling is lowered the temperature at surface air cooler and manger board segment 45 again, and then after other air-treatment section 46, air supply section 47 and ajutage, completes the cooling air-supply to office and power plant building.Wherein the cold of surface air cooler and manger board segment 45 derives from the chilled water that cold (heat) water unit III provides.
If power station office or power plant building apolegamy equipment are energy-efficient water power air conditioner fresh air unit II, close end coil pipe back-water valve (BWV) 50, end disk water inlet tube valve 51, open end coil pipe chilled water (hot water) back-water valve (BWV) 52 and end coil pipe chilled water (hot water) water intaking valve 53, and cold (heat) water unit III chilled water (hot water) is entered to return pipe C, D with end coil pipe chilled water (hot water) and is communicated with for return pipe A, B, provide circulated refrigerated water by cold (heat) water unit for end coil pipe 23.Close new wind air-valve 25,26, open return air air-valve 22, office room air provides required cold wind through return air filter 24, end coil pipe 23, breeze fan 21 and air supply duct to indoor, completes the cooling of Office or power plant building.
Water power air-conditioning system provided by the invention possesses the energy saver modes such as transition season and winter refrigeration energy saver mode, winter heating energy saver mode, summer refrigerated energy-saving pattern, summer pre-cooling of fresh air energy saver mode simultaneously.The land productivity power station advantageous deep layer thermostated reservoir water of suiting measures to local conditions is made low-temperature receiver or thermal source, reduces greatly the energy consumption of power station air-conditioning system, has reached the object of energy-conserving and environment-protective, has higher economic and social benefit.Power station deep layer reservoir coolant-temperature gage is relatively stable throughout the year, its fluctuation range is much smaller than the variation of air, it is the ideal chose of air conditioner refrigerating low-temperature receiver and heat source, the more stable characteristic of water temperature makes the operation of water power air-conditioning system more reliable and stable, has also ensured high efficiency and the economy of system.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (1)
1. a water power air-conditioning system of utilizing reservoir water to make low-temperature receiver or thermal source, it is characterized in that, comprise water supply and return system and water power air-conditioning cold or Hot water units, described water supply and return system is for extracting reservoir water out low-temperature receiver or thermal source as air-conditioning, described water power air-conditioning cold or Hot water units are used for by utilizing reservoir water freeze or heat as low-temperature receiver or thermal source, described water power air-conditioning cold or Hot water units comprise compressor, shell-tube evaporator, expansion valve, Shell-tube Condenser, 8 function conversion water valves, described Shell-tube Condenser water inlet connects one end of the second function conversion water valve and one end of the 4th function conversion water valve by threeway, described Shell-tube Condenser delivery port connects one end of five-function conversion water valve and one end of the 7th function conversion water valve by threeway, shell-tube evaporator water inlet connects one end of the first function conversion water valve and one end of the 3rd function conversion water valve by threeway, the delivery port of described shell-tube evaporator connects one end of the 6th function conversion water valve and one end of the 8th function conversion water valve by threeway, and the chilled water of water power air-conditioning or hot water return pipe connect the other end of the 3rd function conversion water valve and the other end of the 4th function conversion water valve by threeway, the chilled water of water power air-conditioning or hot water feeding pipe connect the other end of the 7th function conversion water valve and the other end of the 8th function conversion water valve by threeway, three-way control valve connects the other end of the first function conversion water valve and the other end of the second function conversion water valve by threeway, common water valve connects the other end of five-function conversion water valve and the other end of the 6th function conversion water valve by threeway, three-way control valve connects the feed water inlet of the water supply and return system of water power air-conditioning, common water valve connects the water return outlet of the water supply and return system of water power air-conditioning,
Described water supply and return system is the water supply and return system that directly uses reservoir water, it comprises screen pack, suction pump, insulation feed pipe and check-valves, on the delivery port of described screen pack, suction pump and check-valves, be all provided with gate valve, between each assembly, be communicated with by insulation feed pipe; Screen pack connects suction pump, and suction pump connects the check-valves composition assembly that draws water, described in the assembly that draws water at least a set of; The water of extracting out is sent into reservoir water dirt separator and is carried out precipitation process, then through electric water treatment device and y-type filter purify, output after softening processing;
On the delivery port of described water supply and return system, be provided with plate type heat exchanger, plate type heat exchanger connects water circulating pump, reservoir water is directly returned in reservoir in plate type heat exchanger with after recirculated water heat exchange, recirculated water is under the effect of water circulating pump, for water power air-conditioning equipment provides required low-temperature receiver or thermal source.
2. the water power air-conditioning system of utilizing reservoir water to make low-temperature receiver or thermal source according to claim 1, it is characterized in that, described system also comprises water power air conditioning terminal unit, and described water power air conditioning terminal unit comprises air outlet, new wind entrance and return air entrance, and return air air-valve is arranged on return air entrance, new wind air-valve, new wind filter and desuperheating coil are arranged on new wind entrance successively, and new wind is first by new wind air-valve, in air outlet, be disposed with surface air cooler and manger board segment, air-treatment section and air supply section, the chilled water of water power air-conditioning or hot water feeding pipe and chilled water or hot water return pipe are connected on surface air cooler and manger board segment, the return pipe that supplies of desuperheating coil is connected on three-way control valve and is changed in the parallel connected end of water valve with the first function conversion water valve and the second function by precooling water intaking valve and precooling back-water valve (BWV) respectively, change in the parallel connected end of the first function conversion water valve and the second function conversion water valve and five-function conversion water valve and the 6th function between the parallel connected end of water valve and be provided with water valve, the end coil pipe back-water valve (BWV) of described new blower fan group and end disk water inlet tube valve are connected on the delivery port and water inlet of common water valve, the water inlet pipe of described end coil pipe is also connected chilled water or hot water inlet pipe and chilled water or hot water return pipe by end coil pipe chilled water or hot water water intaking valve respectively with outlet pipe with end coil pipe chilled water or hot water backwater's valve.
3. the water power air-conditioning system of utilizing reservoir water to make low-temperature receiver or thermal source according to claim 1, it is characterized in that, also comprise water power air conditioner fresh air unit, described new blower fan group comprises an air outlet and two air inlets, breeze fan is arranged on air outlet, and return air filter, end coil pipe and return air air-valve are arranged in return air inlet successively; The first new wind air-valve, new wind filter and the second new wind air-valve are arranged in new wind air port successively, and described end coil pipe is connected to chilled water or hot water inlet pipe and chilled water or hot water return pipe by end coil pipe chilled water or hot water water intaking valve, end coil pipe chilled water or hot water backwater's valve; And be connected on water supply and return system by end disk water inlet tube valve and end coil pipe back-water valve (BWV).
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| CN104101040B (en) * | 2014-07-30 | 2017-01-25 | 广东申菱环境***股份有限公司 | Efficient and energy-saving water-electricity air-conditioning system and control method thereof |
| CN105202630A (en) * | 2015-08-28 | 2015-12-30 | 中山市绿涛电子科技有限公司 | Energy-saving air conditioner cooling system |
| CN110440355B (en) * | 2019-08-13 | 2023-11-17 | 清华大学 | Hydropower station temperature-regulating dehumidifying air-conditioning system and operation method thereof |
| CN113864920B (en) * | 2021-09-24 | 2022-09-02 | 珠海格力电器股份有限公司 | Dehumidification heat pump air conditioning system |
| CN114938611B (en) * | 2022-06-08 | 2023-02-21 | 中国矿业大学 | Multi-energy complementary disaster recovery backup data center thermal management system |
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Address after: 528313 Shunde City, Foshan province Chencun town machinery and equipment Park, No. ten, No. Road, No. 8 Patentee after: GUANGDONG SHENLING AIR-CONDITIONING EQUIPMENT CO., LTD. Address before: 528313 Shunde City, Foshan province Chencun town machinery and equipment Park, No. ten, No. Road, No. 8 Patentee before: Guangdong Shenling Air Conditioning Equipment Co., Ltd. |