CN201155831Y - Energy storage type temperature-changing air conditioner device adopting groundwater reservoir - Google Patents
Energy storage type temperature-changing air conditioner device adopting groundwater reservoir Download PDFInfo
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- CN201155831Y CN201155831Y CN 200820054528 CN200820054528U CN201155831Y CN 201155831 Y CN201155831 Y CN 201155831Y CN 200820054528 CN200820054528 CN 200820054528 CN 200820054528 U CN200820054528 U CN 200820054528U CN 201155831 Y CN201155831 Y CN 201155831Y
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Abstract
The utility model discloses an energy-storage temperature-changing air conditioner that adopts an groundwater reservoir, comprising one or a plurality of non-excavated groundwater reservoirs with output ends and reflux ends, an energy-storage water tank connected with the output end of the groundwater reservoir, a seasonal energy-storage auxiliary water tank, an air conditioning load connected with the output end of the energy-storage water tank. Each energy-storage water tank is connected with the output end or the reflux end of each groundwater reservoir by at least one gating switch valve, and each energy-storage water tank is connected with the temperature-changing air conditioning load by one output gating switch valve; one or a plurality of energy-storage water tanks are provided, a plurality of energy-storage water tanks are provided with gating switch valves that are connected each other in parallel. Therefore, the system has relatively high heat-source storage capacity and system cold and heat output capacity and relatively high reliability of system operation; in addition, seasonal energy storage can be realized and the energy consumption of operation and the setup cost are reduced; by energy-storage operation, the continuous output and stable output temperature of the temperature-changing air conditioner are ensured.
Description
Technical field
The utility model relates to the energy-accumulating water tank air-conditioning system, especially relates to a kind of energy storage type air conditioner temperature-changing device technique that adopts groundwater reservoir.
Background technology
The air-conditioning system of directly utilizing underground water source heat supply or cooling is a kind of water source heat energy that utilizes, comprise underground water or surface water etc. air-conditioning system, in the process of directly utilizing underground water and earth surface water source heat energy,, heat exchange influenced by environmental temperature because of the expensive problem, the surface water that have underground water well-digging and recharge makes its application be subjected to certain restriction to the problems such as influence of water ecological setting.
Along with the air conditioner energy saving development of technology, people again to the higher occasion of temperature control reliability and standard-required as required the characteristic of temperature control propose in different time sections, to require the air conditioner temperature-changing energy conservation model of the different air-conditioner temperatures of output, when adopting the alternating temperature heating with refrigeration, require the output temperature held stationary, and reliability of system operation height, promptly when the water circulating pump of main conveying heating and kind of refrigeration cycle heat-carrying agent breaks down, system can guarantee that still the temperature control object is unaffected, the situation that is fit to this application scenario comprises the large-size air conditioning engineering of have relatively high expectations temperature control reliability and standard, and require system to have deposit water circulating pump etc., thereby pump power requires big, it is also big that air-conditioning system equipment is provided with investment.
Because water circulating pump is a kind of conveying equipment of clearance-type work, prior art only provides the air conditioner cold-heat energy by the heat exchange mode of the direct delivery cycle heat-carrying agent of clearance-type, be that water tank can not carry out the energy storage operation in heating and refrigerating operaton, thereby can not realize reliable and stable continuous output, be difficult to satisfy the air conditioner temperature-changing energy conservation model requirement of temperature control reliability and the higher occasion of standard-required; In addition, prior art thermal source part capacity is low, system's temperature control difficulty also is the immediate cause that change is big, equipment power dissipation is big that causes importing with output temperature, when carrying out the air conditioner temperature-changing operation for the cycle heat exchange device that adopts existing band underground water source, need increase considerably the underground storage and the supplied capacity of water Cooling and Heat Source, reduce the influence of construction cost and floor space simultaneously, for this reason, need to seek a kind of can the reduction and directly utilize underground water source heat supply or cooling air-conditioning system cost of investment and the approach that improves system's operational reliability under the air conditioner temperature-changing operation.
Summary of the invention
The purpose of this utility model is to provide a kind of and adopts the man-made land lower storage reservoir, directly utilizes the earth surface water source heat supply of underground storage or the energy storage type air conditioner temperature-changing device of cooling, this device can reduce the investment and the operating cost of equipment, improves the non-intermittent temperature stable and continuous output of efficient, reliability and realization of air-conditioning system.
The utility model is achieved through the following technical solutions, by the non-excavation groundwater reservoir of one or more band outputs with the end that refluxes, the energy-accumulating water tank that is connected with this groundwater reservoir output, the seasonal energy storage auxiliary water tank that is connected with this groundwater reservoir backflow end, the compositions such as air-conditioning load that are connected with this energy-accumulating water tank output, it is characterized in that: each energy-accumulating water tank is connected with the output of each groundwater reservoir or the end that refluxes by at least one gating switch valve, and each energy-accumulating water tank is connected with described air conditioner temperature-changing load by an output gating switch valve, described energy-accumulating water tank comprises one or more, the connection parallel with one another between the energy-accumulating water tank of gating switch valve that is connected of a plurality of bands.
Described non-excavation groundwater reservoir comprises that explosive forming groundwater reservoir and level are crept into or the combination of the groundwater reservoir that push pipe is shaped.The groundwater reservoir that described level is crept into or push pipe is shaped is along the setting that connects on the explosive forming groundwater reservoir circumference.The groundwater reservoir that described level is crept into or push pipe is shaped comprises the perforation setting of same layer depth and the perforation setting of different layer depths along the perforation setting on the explosive forming groundwater reservoir circumference.Be communicated with heat exchanger tube through setting between described non-excavation groundwater reservoir with burying and be connected, the described connected loop that is communicated with between heat exchanger tube and non-excavation groundwater reservoir is provided with circulating pump with burying.Described non-excavation groundwater reservoir can be further divided into cold groundwater reservoir of storage and heat accumulation groundwater reservoir, is communicated with being connected communicating pipe of gauge tap valve through having each other.Be provided with the ground heat exchanger of perpendicular buried soil pipe laying between the groundwater reservoir that described non-excavation level is crept into and push pipe is shaped.The degree of depth that is provided with of described non-excavation groundwater reservoir is the degree of depth to first reservoir bed below 6 meters apart from the face of land.Be provided with heat absorbing units and heat-sink unit in the described non-excavation groundwater reservoir, heat absorbing units and heat-sink unit are connected with described energy-accumulating water tank group through selection.Described heat absorbing units and heat-sink unit are to have the heat exchange coil of independent inlet channel separately, wherein, the heat absorption coil pipe is arranged on the top of non-excavation groundwater reservoir, radiator coil tube is arranged on the bottom of non-excavation groundwater reservoir, and heat absorption coil pipe and radiator coil tube have the public circulating reflux pipeline that unites two into one.
The advantage of the utility model device is: because device is by one or more non-excavation groundwater reservoirs, the energy-accumulating water tank that is connected with this groundwater reservoir, the seasonal energy storage auxiliary water tank that is connected with this groundwater reservoir, the compositions such as air-conditioning load that are connected with this energy-accumulating water tank, and each energy-accumulating water tank is connected with described air conditioner temperature-changing load by an output gating switch valve, it is one or more to have adopted energy-accumulating water tank to comprise, connection parallel with one another between a plurality of energy-accumulating water tanks, and each energy-accumulating water tank is connected with the output of described groundwater reservoir by an input gating switch valve, make the storage volume in device underground water source source hot in nature increase, and can realize seasonal energy storage, thereby make the operation energy consumption cost and the cost reduction is set; Because device has adopted each energy-accumulating water tank to be connected with described air conditioner temperature-changing load by an output gating switch valve, make system's output temperature steadily, also can keep output continuously, air conditioner temperature-changing operational reliability height again.
Above and other purpose of the present invention, characteristics and advantage will further be represented by the following detailed description, accompanying drawing and appended claims.
Description of drawings
Fig. 1 is the working cycles schematic flow sheet of energy storage type air conditioner temperature-changing device of the employing groundwater reservoir of the utility model embodiment.
Fig. 2 is the Application Example that a kind of energy storage type air conditioner temperature-changing device that adopts groundwater reservoir of the utility model is applied to an industrialized agriculture.
Fig. 3 is the Application Example that a kind of energy storage type air conditioner temperature-changing device that adopts groundwater reservoir of the utility model is applied to a Civil Buildings in Cities of China.
Fig. 4 is the structural representation that adopts the groundwater reservoir of blast construction forming in the utility model.
Fig. 5 adopts non-excavation level to creep into the structural representation of the groundwater reservoir that is shaped with jacking construction in the utility model.
Concrete implementation
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Air conditioner temperature-changing is the power-saving technology that can export different air-conditioner temperatures according to the needs characteristic of air-conditioning object in different time sections.Bigger as the output that needs by day, the output that need night is less, perhaps opposite, temperature held stationary when requiring alternating temperature output big, usually need dispose the circulating pump of delivery cycle heat-carrying agent according to peak power output, also must increase the setting of deposit circulating pump when the taking into account system operational reliability requires, the typical application operating mode comprises as agricultural buildings such as plant factors.The key that reduces the operating operation energy consumption of air conditioner temperature-changing, raising reliability and output temperature stability etc. is the energy storage characteristic and the stored energy capacitance of raising system, by improving the energy storage characteristic and the capacity of system, can also reduce the configuration quantity or and the allocating power of circulating pump.
As Fig. 1, Fig. 2, shown in Figure 5 be that a kind of energy storage type air conditioner temperature-changing device that adopts groundwater reservoir of the utility model constitutes an embodiment who uses in agricultural building or the agricultural greenhouse, form by non-excavation groundwater reservoir 1, supplementary energy heating or refrigeration plant 2, circulation heat-carrying agent 3, underground heat heat exchange periodical feeding loop 4, air-conditioning load circuit 5, seasonal energy storage auxiliary water tank 6, energy-accumulating water tank group B (comprising energy-accumulating water tank 7), controller 8, automatically controlled and manual gating switch valve group etc.Wherein, groundwater reservoir comprises and creeps into push pipe groundwater reservoir 102, is communicated with heat exchanger tube 111, the soakaway trench 112 of preserving moisture, maintenance manhole 113, adiabator layer 114 with burying; The heat-carrying agent 3 that wherein circulates comprises secondary cycles heat-carrying agent 311 and whole level circulation heat-carrying agent 312; Automatically controlled and manual gating switch valve group comprises groundwater reservoir heating output and backwater path hand switch valve K1-1, K1-2, output of groundwater reservoir refrigeration and backwater path hand switch valve K2-1, K2-2, in addition, the cold and hot input channel selector valve K1-3 that also comprises seasonal energy storage auxiliary water tank, K2-3 and cold and hot output channel selector valve K1-4, K2-4, air-conditioning load heating peripheral passage switch valve K1, air-conditioning load kind of refrigeration cycle channel selector valve K2, automatically controlled gating switch valve Ka1 is imported in energy-accumulating water tank heating, Kb1, Kc1, the automatically controlled gating switch valve Ka2 of energy-accumulating water tank refrigeration input, Kb2, Kc2, energy-accumulating water tank export automatically controlled gating switch valve K3, K4, K5; Comprise groundwater reservoir 1 water supply line 401, decontamination apparatus 411, check valve 412, supply-water pump 413, automatically controlled or manual gating switch valve etc. in the underground heat heat exchange periodical feeding loop 4.
Described energy-accumulating water tank group B is made up of one or more energy-accumulating water tank, each energy-accumulating water tank is connected with the output of each groundwater reservoir or the end that refluxes by at least one gating switch valve, at this, energy-accumulating water tank input gating switch valve Ka1, Kb1, Kc1, output gating switch valve K3, K4, K5 and energy-accumulating water tank 7 become an energy-accumulating water tank unit after interconnecting, the connection parallel with one another between the energy-accumulating water tank unit of gating switch valve that is connected of a plurality of bands, become parallel energy-accumulating water tank group B, wherein, a, b, each energy-accumulating water tank of c all is connected with the refrigeration or the heating output of described groundwater reservoir by an input gating switch valve.
Air-conditioning load circuit 5 comprises general air-conditioning load circuit and adopts the air conditioner temperature-changing load circuit of air conditioner temperature-changing method regulation and control load output temperature that the air conditioner temperature-changing load circuit also comprises the air conditioner temperature-changing load circuit of intermittence work and the air conditioner temperature-changing load circuit of non-continuous operation with gap.Comprise air conditioner temperature-changing circulation line or heating and refrigerating circulation 501 in the air conditioner temperature-changing load circuit, comprise heating circulation pipe 511 and kind of refrigeration cycle pipe 512 or other air-conditioning loads in heating and the refrigerating circulation again.
Comprise underground heat heat exchange periodical feeding loop 4 and non-excavation groundwater reservoir among the underground heat heat exchange closed circuit A, the underground water library tape output and the end that refluxes, this groundwater reservoir is connected with energy-accumulating water tank through underground heat heat exchange periodical feeding loop 4, via controller 8 control heat cycles channel selector valve K1 and energy-accumulating water tank input gating switch valve Ka1, Kb1, Kc1, the heat that groundwater reservoir is gathered in each energy-accumulating water tank 7 storage place lower storage reservoir of energy-accumulating water tank group B, or via controller 8 control kind of refrigeration cycle channel selector valve K2 and energy-accumulating water tank input gating switch valve Ka2, Kb2, Kc2, the cold that groundwater reservoir is gathered in each energy-accumulating water tank 7 storage place lower storage reservoir of energy-accumulating water tank group B, after energy-accumulating water tank and the air-conditioning load heat exchange, circulation heat-carrying agent 3 returns into groundwater reservoir by K1-3 and K2-3 respectively, forms underground heat heat exchange circulation.
Air-conditioning heat exchange closed circuit C comprises air conditioner temperature-changing load circuit 5, automatically controlled and hand switch valve group etc., via controller 8 control heat cycles channel selector valve K-1, energy-accumulating water tank output gating switch valve K4, K5, K6 and variable circulating pump P1 discharge the heat that the alternating temperature operation is supplied in output from the load of energy-accumulating water tank 7 to the air conditioner temperature-changing load circuit; Or via controller 8 control heat cycles channel selector valve K-2, energy-accumulating water tank output gating switch valve K4, K5, K6 and variable circulating pump P2, discharge the cold that output supply alternating temperature moves from the load of energy-accumulating water tank 7 to the air conditioner temperature-changing load circuit, form heat exchange and air conditioner temperature-changing heat exchange circulation.Described output air conditioner temperature-changing energy is to comprise the air conditioner temperature-changing energy of intermittence output and the air conditioner temperature-changing energy that non-intermittence is exported continuously.
Seasonal energy storage closed circuit comprises energy-accumulating water tank, seasonal energy storage auxiliary water tank 6 and groundwater reservoir, warm water behind the heating heat-exchange enters seasonal energy storage auxiliary water tank from the output channel of energy-accumulating water tank bottom through input channel selector valve, K2-3, after natural environment is lowered the temperature down, can under the head pressure effect, carry out the cold circulation of seasonality storage through output channel selector valve K1-4 backflow groundwater reservoir; Warm water after the refrigeration heat exchange enters seasonal energy storage auxiliary water tank from the output channel on energy-accumulating water tank top through input channel selector valve K2-3, after natural environment heats up down, can under the head pressure effect, carry out seasonal heat accumulation circulation through output channel selector valve K2-4 backflow groundwater reservoir.
Adopt flow process between each working cycles of a kind of energy storage type air conditioner temperature-changing device with groundwater reservoir of the present utility model and the correlation between each working cycles loop, can be referring to its circulation process schematic diagram, as shown in Figure 1: the circulatory system comprises underground heat heat exchange closed circuit A, parallel energy-accumulating water tank group B and air conditioner temperature-changing heat exchange closed circuit C.Wherein, comprise underground heat heat exchange periodical feeding loop 4 and non-excavation groundwater reservoir among the underground heat heat exchange closed circuit A, cold and hot energy is gathered in the circulation of underground heat heat exchange closed circuit A from its non-excavation groundwater reservoir, and by its underground heat heat exchange periodical feeding loop 4, each unit of the parallel energy-accumulating water tank group B of postposition cold and hot energy that circulates is respectively stored.Air conditioner temperature-changing heat exchange closed circuit C comprises air conditioner temperature-changing load circuit 5, the circulation of air conditioner temperature-changing heat exchange closed circuit C circulates respectively from each energy-accumulating water tank of preposition parallel energy-accumulating water tank group B and fetches and delivers the cold and hot energy of storage, and to its air conditioner temperature-changing load circuit 5 output air conditioner temperature-changing energy, and underground heat heat exchange circulation and air conditioner temperature-changing heat exchange circulation can be carried out or carry out respectively simultaneously.
Energy storage type in synchronous working is in service continuously, the energy-accumulating water tank group can be as the storage of the cold and hot amount of underground heat heat exchange circle collection, and export Cooling and Heat Source through air conditioner temperature-changing heat exchange circulation to the air conditioner temperature-changing load circuit simultaneously, the high standard temperature requirements and the efficient service requirement of the cold and hot amount supply output of cold and hot amount collection of underground heat heat exchange closed circuit and storage and air conditioner temperature-changing heat exchange closed circuit operation simultaneously, the i.e. continuous output of the non-intermittence of air conditioner temperature-changing can be satisfied, thereby the stability of agricultural greenhouse air conditioner temperature-changing system output temperature can be improved.
In service in the energy storage type gap of working respectively, the energy-accumulating water tank group can be used alone as the storage of the cold and hot amount of underground heat heat exchange circle collection, also can export Cooling and Heat Source through air conditioner temperature-changing heat exchange circulation to the air conditioner temperature-changing load circuit separately.When adopting the peak valley electricity period additionally to lay in the storage of the cold and hot amount of part underground heat heat exchange circle collection, when being made for the cold and hot source of supply of the energy storage in peak electricity consumption period air conditioner temperature-changing when output, can dispose the alternately switch operating operation of the different energy-accumulating water tanks of energy-accumulating water tank group normally being exported energy storage and standby energy storage as the delivery cycle water pump of two or more smaller powers, thus, when having standby delivery cycle water pump and guaranteeing system's operational reliability, can also the reduction system operation energy consumption cost and improve utilization rate of equipment and installations, and reduce the cost of investment of equipment such as delivery cycle water pump.
Under the control of controller 8, underground heat heat exchange closed circuit A is after the energy acquisition circulation is carried out in its underground heat heat exchange periodical feeding loop 4, and carry out energy between the energy-accumulating water tank group and store circulation, simultaneously, air conditioner temperature-changing heat exchange closed circuit C can and energy-accumulating water tank group B between carry out energy and fetch and deliver circulation, and and load between carry out the air conditioner temperature-changing heat exchange circulation of heating and refrigeration.Groundwater reservoir or air conditioner temperature-changing load can respectively or be communicated with switching with a plurality of energy-accumulating water tanks parallel with one another simultaneously, promptly switch connection by automatically controlled mutually with hand switch valve group respectively, wherein all electric control valves by controller 8 by valve switch state of setting under the various operational modes or the switch motion of parameter by-pass valve control, constitute energy acquisition circulation and release cycle thus, both not only can work respectively, but also heating of energy storage type alternating temperature and the refrigeration air-conditioner operation that can work simultaneously, satisfy round the clock between the air-conditioning continual high standard air conditioner temperature-changing service requirement that circulates.When the delivery cycle pump equipment of heating and refrigeration breaks down the needs maintenance, because the energy storage effect of energy-accumulating water tank group, can be so that system stop the air conditioner temperature-changing operation output to load, it is the cold and hot energy reserve that system keeps certain supply period consistently in advance, be used to ensure when the delivery cycle water pump quits work, system's air conditioner temperature-changing output as fault maintenance or peak power supply period, thereby system possesses lower operation energy consumption cost, higher stored energy capacitance and higher system operational reliability, and can make air conditioner temperature-changing keep output continuously steady by the energy storage operation with temperature, variable circulating pump feed flow by the air conditioner temperature-changing load is regulated, can make air conditioner temperature-changing further keep output temperature steady, and delivery cycle water pump allocating power can reduce, the system equipment cost of investment reduces significantly than prior art, and equipment operating efficiency improves than prior art.
In the time of when air conditioner temperature-changing moves, need exporting bigger energy, owing in energy-accumulating water tank, stored the cold and hot energy of enough preparations in advance, select for use the power of delivery cycle water pump to reduce, equipment investment cost reduces significantly than prior art, and energy-accumulating water tank can avoid adopting a large volume water tank to substitute at work, avoid the hot standby that adds when the whole level of upper strata, energy-accumulating water tank unit output circulation heat-carrying agent temperature reaches requirement under the real-time working state, or avoid heating slack-off because of the energy-accumulating water tank unit is excessive, cause the output temperature instability and the situation of needs increase delivery cycle pump power, service efficiency can improve greatly.Except the transportation and the property easy for installation that can increase the energy-accumulating water tank group, can also ensure to a certain extent that when the part accident appearred in the contingency system, standby energy-accumulating water tank unit can continue air conditioner temperature-changing output, improves system's operational reliability.
Described energy-accumulating water tank can be furnished with supplementary energy heating or refrigeration plant 2 and heat exchanger.Constitute as electrical heating energy-accumulating water tank, fuel oil or combustion gas heating energy-accumulating water tank or electricity refrigeration energy-accumulating water tank, fuel oil or gas driven refrigeration energy-accumulating water tank etc.Adopt that the advantage through the collocation and the selective use that is connected in parallel is between one or more different energy-accumulating water tanks, except selecting for use to the bigger low-cost fuel of agricultural greenhouse production cost influence, the energy-accumulating water tank that another kind wherein can also be had supplementary energy heating or refrigeration plant is as standby, in case the influence to producing during accident, further increase the operational support and the reliability of agricultural greenhouse air conditioner temperature-changing system.
Described energy-accumulating water tank is the water tank of thermal-insulating type, can have the phase-change energy-storing thermal insulation material of structural or associativity in the energy-accumulating water tank.In addition, secondary cycles heat-carrying agent 311 in the underground heat heat exchange closed circuit can be the fluid liquid that contains the solid-state phase changes energy storage material in the water or the aqueous solution, eventually level circulation heat-carrying agent 312 in the air conditioner temperature-changing heat exchange closed circuit also can be the liquid etc. that comprises water or alcohols, can contain solid-state phase changes energy storage material fluid liquid in the liquid.
Load in the air conditioner temperature-changing load circuit such as heating or kind of refrigeration cycle pipe 511,512 can be maked somebody a mere figurehead setting in agricultural greenhouse, produce the tube wall heat exchange by the circulation hot and cold water in heating or the refrigerator pipes, and agricultural greenhouse is carried out air conditioner temperature-changing.Except to the air heat, also can adopt the bifurcated in parallel that above-mentioned heating circulation pipe 511 is done as shown in the figure, will be wherein one or more imbed and do hot type soil pipe laying heating heating in the ground in the agricultural greenhouse soil, obtain ground and underground heat difference counterbalance effect in the better agricultural greenhouse, can make seasonal pipeline when freeze summer and switch, the hand switch valve K-1 of soil pipe laying can be closed.
As Fig. 1, Fig. 3, Fig. 4 and shown in Figure 5 be that a kind of energy storage type air conditioner temperature-changing device of groundwater reservoir that adopts of the utility model is used for another embodiment that residential housing or commercial building or industrial building are used, it is made up of groundwater reservoir 1, supplementary energy heating or refrigeration plant 2, circulation heat-carrying agent 3, underground heat heat exchange water supply closed circuit 4, air-conditioning load circuit 5, seasonal energy storage auxiliary water tank 6, energy-accumulating water tank group B (comprising energy-accumulating water tank 7), controller 8, heat absorption and heat-sink unit 9, automatically controlled and hand switch valve group etc.As Fig. 3, Fig. 4 and shown in Figure 5, groundwater reservoir 1 comprises cold groundwater reservoir 121 of storage and heat accumulation groundwater reservoir 122, and underground heat heat exchange periodical feeding loop 4 comprises groundwater reservoir 1, water supply line 401, check valve 412, supply-water pump 413, automatically controlled and manual gating switch valve etc.The air-conditioning load circuit comprises heating and refrigerating circulation 501, comprise again in heating and the refrigerating circulation heating circulation pipe 511, with kind of refrigeration cycle pipe 512; Circulation heat-carrying agent 3 comprises secondary cycles heat-carrying agent 311, whole level circulation heat-carrying agent 312; Groundwater reservoir comprises underground explosion fixed-wall reservoir 101, be attached thereto creeping into push pipe groundwater reservoir 102, being communicated with heat exchanger tube 111, the soakaway trench 112 of preserving moisture, maintenance manhole 113, adiabator layer 114 with burying of connecing.
Automatically controlled and manual gating switch valve group comprises groundwater reservoir heating output and backwater channel selector valve K3-1 in the enclosed underground heat heat exchange closed circuit, output of groundwater reservoir refrigeration and backwater channel selector valve K4-1, automatically controlled gating switch valve Ka-1, Kb-1 are imported in energy-accumulating water tank heating; Groundwater reservoir heating output and backwater channel selector valve K1-1 in the open type underground heat heat exchange closed circuit, Ka-3, Kb-3, K1-2, output of groundwater reservoir refrigeration and backwater path electric-controlled switch valve Ka-2, Kb-2, K2-1, in addition, the cold and hot input channel selector valve K1-3 that also comprises seasonal energy storage auxiliary water tank, K2-2 and cold and hot output channel selector valve K1-4, K2-3, air-conditioning load heating peripheral passage switch valve K1, air-conditioning load kind of refrigeration cycle channel selector valve K2, energy-accumulating water tank heating output gating switch valve Ka1, Kb1, energy-accumulating water tank refrigeration output gating switch valve Ka2, Kb2 stores up and is communicated with control electric switching valve K5 between cold groundwater reservoir and heat accumulation groundwater reservoir.
Underground heat heat exchange and enclosed underground heat heat exchange closed circuit: comprise underground heat heat exchange periodical feeding loop 4, groundwater reservoir 1 among the enclosed underground heat heat exchange closed circuit A.On being arranged on underground heat heat exchange periodical feeding loop with groundwater reservoir in heat absorbing units and heat-sink unit 9 can select to be connected through controlled valve with energy-accumulating water tank group B.Heat absorption can be adopted with heat-sink unit 9 has the heat exchange coil of independent inlet channel separately, wherein, the heat absorption coil pipe is arranged on the top of groundwater reservoir, radiator coil tube is arranged on the bottom of groundwater reservoir, heat absorption coil pipe and radiator coil tube have the public circulating reflux pipeline that unites two into one, and the cold and hot energy of circle collection is provided to the energy-accumulating water tank loop.Via controller 8 control heat cycles channel selector valve K3-1 or kind of refrigeration cycle channel selector valve K4-1, and energy-accumulating water tank input gating switch valve Ka-1, Kb-1, the cold and hot energy of in each energy-accumulating water tank 7 storage place lower storage reservoir of energy-accumulating water tank group B, gathering by underground heat heat exchange periodical feeding loop again, circulation heat-carrying agent 3 returns heat absorbing units or heat-sink unit in the groundwater reservoir through the return line of energy-accumulating water tank, forms enclosed underground heat heat exchange circulation.
Underground heat heat exchange and open type underground heat heat exchange closed circuit: comprise underground heat heat exchange periodical feeding loop 4, cold groundwater reservoir 121 of storage and heat accumulation groundwater reservoir 122 among the open type underground heat heat exchange closed circuit A.Heat accumulation groundwater reservoir 122 is connected with energy-accumulating water tank through underground heat heat exchange periodical feeding loop 4, via controller 8 control heating heat-exchange peripheral passage switch valve K1-1, the heat that the heat accumulation groundwater reservoir is gathered in each energy-accumulating water tank 7 storage place lower storage reservoir of energy-accumulating water tank group B, after energy-accumulating water tank and the air-conditioning load heat exchange, circulation heat-carrying agent 3 returns into the cold groundwater reservoir of storage by energy-accumulating water tank backflow gating switch valve Ka-3, Kb-3 and K1-2 respectively; Perhaps, via controller 8 control refrigeration heat exchange peripheral passage supply-water pumps 413, store up the cold that cold groundwater reservoir 121 is gathered in each energy-accumulating water tank 7 storage place lower storage reservoir of energy-accumulating water tank group B, after energy-accumulating water tank and the air-conditioning load heat exchange, circulation heat-carrying agent 3 returns into the heat accumulation groundwater reservoir by K2-1 respectively, at this, each energy-accumulating water tank is connected with the output of cold groundwater reservoir of storage and heat accumulation groundwater reservoir or the end that refluxes by at least one gating switch valve, so forms open type underground heat heat exchange circulation.
Air-conditioning heat exchange closed circuit C comprises air conditioner temperature-changing load circuit 5, automatically controlled and manual gating switch valve group etc., via controller 8 control heating peripheral passage switch valve K1, energy-accumulating water tank output gating switch valve Ka1, Kb1 and variable circulating pump P1 discharge the heat that the alternating temperature operation is supplied in output from the load of energy-accumulating water tank 7 to the air conditioner temperature-changing load circuit; Or via controller 8 control heat cycles channel selector valve K2, energy-accumulating water tank output gating switch valve Ka2, Kb2 and variable circulating pump P2, discharge the cold that output supply alternating temperature moves from the load of energy-accumulating water tank 7 to the air conditioner temperature-changing load circuit, form heat exchange and air conditioner temperature-changing heat exchange circulation.Described output air conditioner temperature-changing energy is to comprise the air conditioner temperature-changing energy of intermittence output and the air conditioner temperature-changing energy that non-intermittence is exported continuously.
Seasonal energy storage closed circuit comprises energy-accumulating water tank, seasonal energy storage auxiliary water tank 6, cold groundwater reservoir 121 of storage and heat accumulation groundwater reservoir 122, warm water behind the heating heat-exchange enters seasonal energy storage auxiliary water tank from the output channel of energy-accumulating water tank bottom through input channel selector valve K1-3, after natural environment is lowered the temperature down, can under the head pressure effect, carry out the cold circulation of seasonality storage through the cold groundwater reservoir of output channel selector valve K1-4 backflow storage; Warm water after the refrigeration heat exchange enters seasonal energy storage auxiliary water tank from the output channel on energy-accumulating water tank top through input channel selector valve K2-2, after natural environment heats up down, can under the head pressure effect, carry out seasonal heat accumulation circulation through output channel selector valve K2-3 backflow heat accumulation groundwater reservoir.In addition, also can adopt seasonal energy storage auxiliary water tank 6 to be connected, further promote seasonal heat accumulation energy with the heat collector matrix of central solar heating system.In like manner, when adding the ground heat exchanger of perpendicular buried soil pipe laying, then soil pipe laying circulation line can be selected and add the supercharging circulating pump to be connected with seasonal energy storage auxiliary water tank through switch valve, constitute the seasonal energy storage circulation of ground heat exchanger and seasonal energy storage auxiliary water tank.
Load in the air conditioner temperature-changing load circuit can be heat transmission equipments such as fan coil or radiator 511,512, or warm water type air conditioner.Except to the air heat, also can adopt the heating heat-exchange section of above-mentioned heating circulation pipe 511 is made bifurcated in parallel, wherein one or more is imbedded and carries out the floor panel heating heating in the floor of building in each room.In order to regulate the temperature homogeneity of air-conditioning in each room of building better, also can comprise fluid flow distributor in the alternating temperature heating and refrigeration circulation line.When liquid-liquid heat exchanger was set in the energy-accumulating water tank group, secondary cycles heat-carrying agent 311 can be a water, and level circulation heat-carrying agent 312 can be to comprise the fluid liquid that contains the solid-state phase changes energy storage material in the liquid of water or alcohols and the liquid eventually.
Groundwater reservoir can comprise one or more groundwater reservoir, except employing shown in Figure 4 comprises circularly geoheat exchanging underground fixed-wall reservoir 101 through the blast construction forming of non-excavation, also can adopt creeping into or jacking construction mode pipe laying lays as shown in Figure 5 through non-excavation level, be suitable for building diameter greater than the closed tube cavity volume formula circularly geoheat exchanging groundwater reservoir 102 more than 660 millimeters, and comprise that explosive forming groundwater reservoir and level are crept into or the combination of the groundwater reservoir that push pipe is shaped, wherein, level is crept into the groundwater reservoir that is shaped with push pipe can be along the setting that connects on the explosive forming groundwater reservoir circumference, described level is crept into the groundwater reservoir that is shaped with push pipe and is comprised the perforation setting of same layer depth and the perforation setting of different layer depths along the perforation setting on the explosive forming groundwater reservoir circumference, be that level is crept into the groundwater reservoir of push pipe shaping and can be put or the multilayer setting along forming set up on the explosive forming groundwater reservoir depth direction, no matter be the single or multiple lift setting, all on circumference, connect and be connected with the explosive forming groundwater reservoir.When adopting above-mentioned level to creep into the groundwater reservoir that is shaped with jacking construction, be provided with along carrying out alternate up and down multilayer stack on the depth of stratum direction, its levels can be provided with or intersect to setting in the same way, and the best tube wall spacing that stack is provided with between its adjacent two layers is at 3-8 rice.
As shown in Figure 3, groundwater reservoir can be further divided into cold groundwater reservoir 121 of storage and heat accumulation groundwater reservoir 122, be communicated with being connected communicating pipe of gauge tap valve K5 through having each other, when connection gauge tap valve K5 closes, use as cold groundwater reservoir of storage and heat accumulation groundwater reservoir, when being communicated with gauge tap valve K5 and opening, store up cold groundwater reservoir and is communicated with the heat accumulation groundwater reservoir and is integral, conduct further expands the cold groundwater reservoir of storage or the use of heat accumulation groundwater reservoir of capacity respectively.
When the caliber of closed tube cavity volume formula circularly geoheat exchanging groundwater reservoir is big, manhole 113 also can be set on groundwater reservoir be made in the future maintenance maintenance turnover; The underground buried tube that constitutes described closed tube cavity volume can be metal tube or plastic tube or fiberglass pipe or reinforced concrete prefabricated pipe etc. or above-mentioned combination.Shown in Fig. 5 is that a kind of underground fixed-wall reservoir of blast construction forming and closed tube cavity volume formula groundwater reservoir that creeps into through non-excavation level with jacking construction mode pipe laying laying shaping of adopting connects crossing combination, the maintenance people hole path that using the former becomes the latter can reduce the construction operation amount significantly, in addition, the combination that also can adopt non-perforation to intersect connects through being communicated with heat exchanger tube 111 each other with burying.When adopting the underground buried tube of inside and outside sleeve combination, can be provided with adiabator layer 114 between its inner sleeve and outer tube, as the EPS foaming thermal-insulating layer that hard bubbles that links to each other with outer tube with interior pipe, be beneficial to improve the insulating efficiency of energy storage heat preserving type groundwater reservoir, and constitute energy storage heat preserving type groundwater reservoir; When metal tube adopted steel pipe, its inside and outside surface all can be handled through the surface anticorrosion erosion resisting coating.
Groundwater reservoir is communicated with heat exchanger tube 111 with it with burying and forms the soil heat exchange device, be connected through being communicated with heat exchanger tube between groundwater reservoir with burying, the connected loop that is communicated with between heat exchanger tube and non-excavation groundwater reservoir is provided with circulating pump with burying, be communicated with the be provided with position of heat exchanger tube in groundwater reservoir with burying and comprise its bottom and top, be communicated with the scope of the adjacent spaces D between heat exchanger tube at 1.5-6 rice with burying, best adjacent spaces is a 3-4 rice, specifically according to soil constitution and underground humidity controlled condition decision, usually bury underground down under the humidity conditions of layer, be spaced apart 3 meters as selecting, can obtain heat exchange efficiency preferably.
In addition, adopt when on the along continuous straight runs single or multiple lift groundwater reservoir being set, also can between the groundwater reservoir that level is crept into or push pipe is shaped, carry out the Compensation Regulation that cold and hot amount is exported by the alternate ground heat exchanger that adds perpendicular buried soil pipe laying, constitute energy storage insulation field or the energy storage heat exchange field of underground stereo formula with this.The ground heat exchanger of described perpendicular buried soil pipe laying comprises the ground heat exchanger of the soil pipe laying of being announced as Chinese patent ZL200520040450.X " a kind of perpendicular buried ground heat exchanger ".When the underground geotechnical structure of building is comparatively complicated, need adopt the two combination toward contact, increase the stored energy capacitance and the energy storage density of groundwater reservoir with this.
The groundwater reservoir facility is below the G of the face of land, and it is apart from face of land G degree of depth to first reservoir bed below 6 meters that its best is provided with depth H, can obtain comparatively ideal execution conditions and comparatively ideal ground heat exchange layer heat exchange humidity and insulation and heat exchange effect like this.In addition, bury in heat exchanger tube outer wall brill ground, the ground hole filler of preserving moisture that absorbs water can be set, when first reservoir bed is dark, can be in being communicated with the heat exchanger tube heat exchange zone of influence can ram with burying and press or the drilling pipe setting soakaway trench 112 of preserving moisture by certain spacing distance, regularly pouring water from ground is used to keep burying the heat transfer humidity that the ground heat exchanger tube is provided with heat exchange influence area on the degree of depth, is beneficial to improve the underground heat heat exchange efficiency of heat exchange energy storage type groundwater reservoir.Groundwater reservoir can be arranged on the underground of agricultural greenhouse, residential housing, commercial building or industrial building floor space or comprise in the auxiliary floor space on every side, can exempt the harmful effects such as occupation of land to building so fully.
Claims (10)
1. adopt the energy storage type air conditioner temperature-changing device of groundwater reservoir, by the non-excavation groundwater reservoir of one or more band outputs with the end that refluxes, the energy-accumulating water tank that is connected with this groundwater reservoir output, the seasonal energy storage auxiliary water tank that is connected with this groundwater reservoir backflow end, the compositions such as air-conditioning load that are connected with this energy-accumulating water tank output, it is characterized in that: each energy-accumulating water tank is connected with the output of each groundwater reservoir or the end that refluxes by at least one gating switch valve, and each energy-accumulating water tank is connected with described air conditioner temperature-changing load by an output gating switch valve, described energy-accumulating water tank comprises one or more, the connection parallel with one another between the energy-accumulating water tank of gating switch valve that is connected of a plurality of bands.
2. air conditioner temperature-changing device according to claim 1 is characterized in that: described non-excavation groundwater reservoir comprises that explosive forming groundwater reservoir and level are crept into or the combination of the groundwater reservoir that push pipe is shaped.
3. air conditioner temperature-changing device according to claim 1 is characterized in that: the groundwater reservoir that described level is crept into or push pipe is shaped is along the setting that connects on the explosive forming groundwater reservoir circumference.
4. air conditioner temperature-changing device according to claim 3 is characterized in that: the groundwater reservoir that described level is crept into or push pipe is shaped is provided with along connecting on the explosive forming groundwater reservoir circumference and comprises the perforation setting of same layer depth and the perforation setting of different layer depths.
5. air conditioner temperature-changing device according to claim 1, it is characterized in that: described a plurality of non-excavation groundwater reservoirs are further divided into cold groundwater reservoir of storage and heat accumulation groundwater reservoir, store up cold groundwater reservoir and are communicated with being connected communicating pipe of gauge tap valve through having each other with the heat accumulation groundwater reservoir.
6. air conditioner temperature-changing device according to claim 5 is characterized in that: be provided with connection heat exchanger tube and circulating pump between cold groundwater reservoir of described storage or heat accumulation groundwater reservoir with burying.
7. air conditioner temperature-changing device according to claim 5 is characterized in that: cold groundwater reservoir of described storage and heat accumulation groundwater reservoir are selected to be connected with seasonal energy storage auxiliary water tank through switch valve respectively.
8. air conditioner temperature-changing device according to claim 2 is characterized in that: the ground heat exchanger that is provided with perpendicular buried soil pipe laying between the groundwater reservoir that described non-excavation level is crept into or push pipe is shaped.
9. air conditioner temperature-changing device according to claim 1 is characterized in that: be provided with heat absorbing units and heat-sink unit in the described non-excavation groundwater reservoir, heat absorbing units and heat-sink unit are connected with described energy-accumulating water tank group through selection.
10. air conditioner temperature-changing device according to claim 9, it is characterized in that, described heat absorbing units and heat-sink unit are to have the heat exchange coil of independent inlet channel separately, wherein, the heat absorption coil pipe is arranged on the top of non-excavation groundwater reservoir, radiator coil tube is arranged on the bottom of non-excavation groundwater reservoir, and heat absorption coil pipe and radiator coil tube have the public circulating reflux pipeline that unites two into one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200820054528 CN201155831Y (en) | 2008-01-08 | 2008-01-08 | Energy storage type temperature-changing air conditioner device adopting groundwater reservoir |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200820054528 CN201155831Y (en) | 2008-01-08 | 2008-01-08 | Energy storage type temperature-changing air conditioner device adopting groundwater reservoir |
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