CN217482836U - Centralized heat exchange and storage system - Google Patents
Centralized heat exchange and storage system Download PDFInfo
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- CN217482836U CN217482836U CN202221506299.4U CN202221506299U CN217482836U CN 217482836 U CN217482836 U CN 217482836U CN 202221506299 U CN202221506299 U CN 202221506299U CN 217482836 U CN217482836 U CN 217482836U
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Abstract
An embodiment of the utility model provides a concentrate heat transfer heat accumulation system, include: each heat source unit is provided with a plurality of first water gaps and a plurality of second water gaps; one end of the water source heat pump unit is communicated to the heat source unit through a first water storage tank, and the other end of the water source heat pump unit is connected to a first water port; the two connectors on the primary side of the heat exchanger are respectively connected with the first water port and the second water port; the cooling tower is provided with a water inlet and a water outlet, and the water inlet and the water outlet are respectively communicated with two pipelines connected with the water source heat pump unit and the first water storage tank; and the indoor unit is communicated with the secondary side of the heat exchanger. The technical scheme of the utility model in, utilize two units of heat source unit and water source heat pump set can provide stable heat for indoor set under different work condition and ambient temperature, but the application environment scope of expanded system is simultaneously owing to set up the cooling tower, applicable under the refrigerated operating mode, enlarges the application scope of product.
Description
Technical Field
The utility model relates to a heating system technical field particularly, relates to a concentrate heat transfer heat accumulation system.
Background
At present, a coal-fired boiler is mainly adopted in a heat supply mode, but the problem of corresponding air pollution is caused, the heat supply mode is in the concepts of environmental protection and sustainable development, and the central heat supply mode is usually adopted in an electric heating mode. However, in the center of the prior art, most of the electric heating is realized by using an air-cooled heat pump, but in an environment with a low outside air temperature, when heating is performed in winter, problems such as compressor burnout, low heating energy efficiency, frosting of a heat exchanger and the like are likely to occur, and stable operation cannot be ensured, and ideal working efficiency cannot be achieved.
SUMMERY OF THE UTILITY MODEL
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
In view of this, the embodiment of the utility model provides a concentrate heat transfer heat accumulation system.
In order to achieve the above object, an embodiment of the present invention provides a concentrated heat exchange and heat storage system, including: each heat source unit is provided with a plurality of first water gaps and a plurality of second water gaps; one end of the water source heat pump unit is communicated to the heat source unit through a first water storage tank, and the other end of the water source heat pump unit is connected to a first water port; the two connectors on the primary side of the heat exchanger are respectively connected with the first water port and the second water port; the cooling tower is provided with a water inlet and a water outlet, and the water inlet and the water outlet are respectively communicated with two pipelines connected with the water source heat pump unit and the first water storage tank; and the indoor unit is communicated with the secondary side of the heat exchanger.
According to the utility model discloses a concentrated heat transfer heat storage system that embodiment provided, including heat source unit, cooling tower, water source heat pump set, first water storage box and heat exchanger and indoor set, wherein, except the indoor set, all the other equipment all set up outdoor, as central heating's terminal. This application utilizes two units of heat source unit and water source heat pump set can provide stable heat for indoor set under different work condition and ambient temperature, and under the effect of cooling tower, can descend the temperature of the water in the pipeline to can realize the refrigerated effect to the interior space, can be so that the season that the system was used is wider, and winter and summer all can be suitable for. Specifically, the heat source unit is as the equipment that mainly generates heat, the cold water in the pipeline that sends can heat the flowing through, can discharge from first mouth of a river after the intensification, the discharged water can flow to different equipment according to the operating mode of difference, for example when direct heating, can be the same with traditional central heating system, direct flow direction indoor unit, and under carrying out the heat accumulation operating mode, then can selectively flow hot water to water source heat pump unit, at water source heat pump unit constantly operation's in-process, can be with in heat transfer to the pipeline of heat supply side, finally flow into first water storage box, or directly flow into first water storage box with the hot water that generates, thereby make and can preserve the heat with the form of hot water. When the outdoor environment is relatively harsh and the heat source unit cannot completely operate, the heating efficiency of the heat source unit is reduced, and at the moment, the heat of the hot water stored in the first water storage tank can be used for being independently supplied to the heat exchanger, so that the indoor unit is heated, or the heat in the first water storage tank and the heat source unit with incomplete power can be used for realizing indoor centralized heating together.
And to the use scene in summer, the higher hot water of temperature is cooled down to the characteristic of this system usable cooling tower, generates cold water, and heat source unit does not work when refrigerating, and cold volume mainly provides through the cooling tower, can save cold volume through pouring into first water storage box into to follow-up transmission to indoor through the heat exchanger, thereby satisfy the refrigeration demand.
It should be noted that the heat source unit may be an electric heating device as a main heat supply device, or may be conventional energy, such as energy generated by solar energy or heat generating devices during operation, and the excess heat may be stored in the first water storage tank through the water source heat pump unit.
If the heat source unit is an electric device, according to power supply policies of different regions, different electricity charges between peak and valley regions can be utilized, the heat source unit can be operated in a time period with lower unit price to store redundant heat energy, the heat source unit can be closed in a time period with higher unit price, and heat is supplied to users only through heat stored in the first water storage tank before, so that a certain effect of reducing cost can be achieved.
The system can have a plurality of heating working modes, such as direct heat supply, heat storage, direct heat supply and heat storage, combined heat supply and heat release.
Specifically, under the condition of direct heat supply, only the heat source unit and the heat exchanger are controlled to operate; under the heat storage working condition, the heat source unit, the first water storage tank and the water source heat pump unit are controlled to operate, so that heat generated by the heat source unit is transferred to the first water storage tank through the water source heat pump unit to be stored; under the working condition of direct heat supply and heat storage, the heat source unit, the first water storage tank and the heat exchanger are controlled to operate, so that redundant hot water can be directly stored into the first water storage tank under the condition of heat supply; under the working conditions of heat supply and heat storage, all equipment can be controlled to operate together, one part of discharged hot water flows to the first water storage tank after being subjected to heat exchange circulation through the water source heat pump unit, the other part of the discharged hot water directly flows into the water storage tank for water storage, and the rest of the discharged hot water flows to the heat exchanger for heat exchange; under the working condition of combined heat supply, all equipment can be controlled to operate together, and at the moment, water flowing into the heat exchanger can be mixed with hot water originally stored in the first water storage tank and the heat source unit; under the working condition of independent heat release, the heat source unit and the water source heat pump unit do not operate, new hot water cannot be generated, and the hot water in the first water storage tank is simply utilized to supply heat to the indoor unit.
Of course, the system may also have multiple cooling modes, such as: direct cold supply, cold accumulation, direct cold supply and cold accumulation, combined cold supply and cold release.
It should be noted that, in any refrigeration mode, the heat source unit does not work, and only the operation of the cooling tower is controlled.
Specifically, under direct cooling, cold water generated by the cooling tower directly flows to the heat exchanger through a pipeline to exchange heat; under the working condition of cold accumulation, cold water only flows to the first water storage tank for storage; under the working condition of direct cold supply and cold accumulation, cold water is divided into two parts, wherein one part flows to the first water storage tank for storage, and the other part transfers cold energy to a main pipeline connected to the heat exchanger under the action of the water source heat pump unit, so that cold accumulation and heat supply are realized; under the working conditions of cold supply and cold accumulation, all devices can be controlled to operate together, part of cold water discharged by the cooling tower flows to the first water storage tank after being subjected to heat exchange circulation through the water source heat pump unit, the other part of cold water directly flows into the first water storage tank for water storage, and the rest of cold water flows to the heat exchanger for heat exchange; under the working condition of combined cooling, all equipment can be controlled to operate together, and at the moment, water flowing into the heat exchanger can be mixed with cold water originally stored in the first water storage tank and the cooling tower; under the working condition of independent cold release, the cooling tower and the water source heat pump unit are not operated, new cold water cannot be generated, and the cold water in the first water storage tank is simply utilized to supply cold for the indoor unit.
The heat exchanger comprises a primary side and a secondary side, wherein the primary side is a heat source side, and the secondary side is a user side.
It needs to be supplemented that each heat source unit is provided with a plurality of first water gaps and a plurality of second water gaps, water flows in through the second water gaps under the action of the heat source unit, and flows out through the first water gaps after being heated inside.
In the above technical solution, further comprising: the second water storage tank is arranged between the water source heat pump unit and the heat source unit and comprises a first side and a second side, the first side is communicated with the heat source unit, and the second side is communicated with the water source heat pump unit; one end of the third branch is connected with a hot water pipeline which is connected with the second side of the second water storage tank and the heat storage side of the water source heat pump unit, and the other end of the third branch is connected with a hot water pipeline which is connected with the heat supply side of the water source heat pump unit and the first water storage tank; and one end of the fourth branch is connected with a cold water pipeline which is connected with the second side of the second water storage tank and the heat storage side of the water source heat pump unit, and the other end of the fourth branch is connected with a cold water pipeline which is connected with the heat supply side of the water source heat pump unit and the first water storage tank.
In the technical scheme, the second water storage tank is arranged between the water source heat pump unit and the heat source unit, under the action of the second water storage tank, the second water storage tank and the first water storage tank can jointly play a role of jointly storing heat for hot water discharged from the heat source unit, namely, for the heat source unit, the first water storage tank and the second water storage tank are respectively arranged on two sides of the first water storage tank and the second water storage tank, and under the condition that pipelines are all communicated, hot water can respectively flow into the first water storage tank and the second water storage tank from two sides, so that joint heat storage is realized.
Wherein, through setting up third branch road and fourth branch road, can be linked together the hot-water line of the heat accumulation side of water source heat pump set and the hot-water line of heat supply side, and will hold the cold water pipe of hot side and the cold water pipe UNICOM of heat supply side also to in cold water in the cooling tower through first main line, thereby realize the circulation, also be convenient for satisfy different operating mode demands.
Specifically, one end of the third branch is connected with a hot water pipeline which is connected with the second side of the second water storage tank and the heat storage side of the water source heat pump unit, and the other end of the third branch is connected with a hot water pipeline which is connected with the heat supply side of the water source heat pump unit and the first water storage tank; one end of the fourth branch is connected with a cold water pipeline which is connected with the second side of the second water storage tank and the heat storage side of the water source heat pump unit, and the other end of the fourth branch is connected with a cold water pipeline which is connected with the heat supply side of the water source heat pump unit and the first water storage tank.
And set up under the condition of solenoid valve and one-way water pump in the pipeline, first water storage box then can play the effect that the stairstepping was impounded with the second water storage box to according to the water storage box of the nimble adjustment operation of the use operating mode of difference, improve the stability of indoor side temperature.
Among the above-mentioned technical scheme, the water inlet is linked together through first oral siphon with a pipeline of connecting water source heat pump set and first water storage box, and the delivery port is linked together through first outlet pipe with another pipeline of connecting water source heat pump set and first water storage box, and concentrated heat transfer heat accumulation system still includes: and the seventh control valve is respectively arranged on the first water inlet pipe, the first water outlet pipe, the third branch and the fourth branch.
In the technical scheme, the water inlet and the water outlet are respectively connected with the first water inlet pipe and the first water outlet pipe through the additional two pipelines, and particularly, when the seventh control valves are arranged on the first water inlet pipe, the first water outlet pipe, the third branch and the fourth branch, the seventh control valves on different pipelines can be controlled to be opened and closed under different working conditions, so that different functions are realized.
In the above technical solution, further comprising: the plurality of second water openings are connected to the first main pipeline; the first water openings are connected to the second main pipeline; one end of the first main pipeline is connected with one interface of the primary side of the heat exchanger, the other end of the first main pipeline is connected to the second water storage tank, one end of the second main pipeline is connected with the other interface of the primary side of the heat exchanger, and the other end of the second main pipeline is connected to the second water storage tank.
In this technical scheme, through setting up two main lines, first main line and second main line promptly, can collect the second mouth of a river and the first mouth of a river on the heat source unit respectively to can make on heat exchanger and the cold water in the water source heat pump set pours into the heat source unit into through first main line, also guarantee that the hot water that the heat source unit produced after the heating can be normal flows into water source heat pump set or heat exchanger department through the second main line. Specifically, for the first main pipeline and the second main pipeline, two ends of the first main pipeline and two ends of the second main pipeline are communicated with the primary side of the heat exchanger and the second water storage tank respectively, so that water supply circulation under different working conditions can be realized.
It should be noted that the primary side of the heat exchanger includes two interfaces, which are respectively connected to the first main pipeline and the second main pipeline.
The other ends of the first main pipeline and the second main pipeline are also connected with two interfaces of a heat supply side of the heat source unit.
Among the above-mentioned technical scheme, the second side of first water storage box includes first interface and second interface, and first interface and second interface all are connected to on the second main pipeline.
In this technical scheme, through setting up two interfaces to the second side of first water storage tank, first interface and second interface promptly, through being connected to two interfaces respectively on the second main pipeline to in the condition that one of them interface is used for inside retaining, the other interface is used for outwards providing the water of circulation, and hot water in the first water storage tank promptly can flow to the heat exchanger through another interface, thereby realizes the heat supply.
In the above technical solution, further comprising: one end of the first branch is connected with the first interface, and the other end of the first branch is connected with the second main pipeline; the fourth control valve is arranged on the second main pipeline, and the fourth control valve is arranged on a pipe section, close to the heat source unit, of the joint of the second main pipeline and the first branch pipeline; and the fifth control valve is arranged on a pipeline connected between the second interface and the second main pipeline.
In this technical scheme, through setting up first branch road to the hot water in the first water storage box flows into second main line department through first branch road, so that follow-up flow direction heat exchanger realizes the heat supply. Furthermore, a fourth control valve is arranged on a pipe section, close to the heat source unit, of the second main pipeline, a fifth control valve is arranged on a pipeline between the second main pipeline and the second interface, and the first water storage tank can be filled and discharged by controlling the fourth control valve and the fifth control valve, so that the first water storage tank is suitable for different working conditions.
Among the above-mentioned technical scheme, water source heat pump set includes heat accumulation side and heat supply side, and the both ends of heat accumulation side are linked together with the second side of second water storage box respectively, and the both ends of heat supply side are linked together with the first side of first water storage box respectively, and the both ends of heat supply side are linked together with water inlet and delivery port respectively.
In this technical scheme, water source heat pump set mainly includes heat accumulation side and heat supply side both sides, and every side is provided with cold water end and hot water end independently to can exchange the heat of the water of heat accumulation side and the heat of the water of heat supply side, and then be convenient for store hot water to first water storage box in.
It needs to explain, because the both ends of heat accumulation side can be linked together with the second side of second water storage box, the hot water that the heat source unit produced promptly can flow into the second water storage box, store some backs in the second water storage box, can flow to heat accumulation side, the temperature of heat accumulation side is because of just having flowed out from the heat source unit this moment, the temperature is higher, under the effect of second water storage box, can store certain hot water, thereby play homothermal effect once, and then carry out the heat exchange under the effect of water source heat pump unit, also can improve certain system stability, the hot water temperature that flows into first water storage box promptly is controllable, thereby can improve and ensure subsequent water supply temperature.
It is also necessary to supplement that two ends of the heat supply side of the water source heat pump unit are respectively communicated with the water inlet and the water outlet of the cooling tower, so as to meet the requirement of cold water flow under different working conditions in the refrigeration mode.
In the above technical solution, further comprising: and the sixth control valves are respectively arranged on the two pipelines connecting the first side of the first water storage tank and the heat supply side, and are also respectively arranged on the two pipelines connecting the heat storage side and the heat source unit.
In the technical scheme, the sixth control valve is arranged, so that the water inlet and outlet at the heat storage side and the water inlet and outlet at the heat supply side of the water source heat pump unit can be controlled, and different working conditions can be met more conveniently.
In the above technical scheme, the heat source unit comprises a plurality of air-cooled heat pump hosts, and each air-cooled heat pump host is provided with a first water gap and a second water gap.
In the technical scheme, each heat source unit comprises a plurality of air-cooled heat pump hosts, the energy efficiency ratio of the air-cooled heat pump hosts is changed very little, the system can be controlled in a partitioned mode, and the power of a water pump is low. The air-cooled heat pump is more suitable for the environment with long-time operation and larger air-conditioning load change under the action of the air-cooled heat pump host, and is more suitable for large-scale central heating.
It can be understood that under the effect of a plurality of air-cooled heat pump host computers, the heat supply capacity of the whole heat source unit can be improved, and the requirement of central heating can be more conveniently met.
In the above technical solution, the first main pipeline includes a first heat storage section, a first transition section and a first heat supply section which are connected in sequence, and the second main pipeline includes a second heat storage section, a second transition section and a second heat supply section which are connected in sequence; the second water port is connected to the first transition section, the first water port is connected to the second transition section, and the first heat supply section and the second heat supply section are connected with the primary side of the heat exchanger.
In this technical scheme, first main pipeline and second main pipeline include heat accumulation section, changeover portion and heat supply section respectively, and first main pipeline includes first heat accumulation section, first changeover portion and the first heat supply section that connects gradually promptly, and the second main pipeline includes second heat accumulation section, second changeover portion and the second heat supply section that connects gradually. Through being connected to second mouth of a river and first mouth of a river respectively on first changeover portion and the second changeover portion to in water inflow and play water flow, thereby improve heat supply capacity.
The first heat supply section and the second heat supply section are respectively connected with the primary side of the heat exchanger, and the first heat storage section and the second heat storage section are respectively connected with the second water storage tank.
Among the above-mentioned technical scheme, be equipped with first control valve on first heat supply section and the second heat supply section respectively, be equipped with the second control valve on first heat accumulation section and the second heat accumulation section respectively.
In this technical scheme, through set up first control valve on first heat supply section and second heat supply section, can control the inner loop of rivers under specific heat accumulation operating mode, promptly under the circumstances of first control valve disconnection, can pour into hot water into in first water storage tank and the second water storage tank, accomplish the retaining, and under the circumstances that first control valve is whole to be communicated, then can normally supply heat to the indoor side. And for the second control valve, it sets up on the heat accumulation section, under the operating mode that does not need the heat accumulation, for example during traditional normal heating, can make the second control valve disconnection, hot water in the heat source unit can direct flow to heat exchanger department.
In the above technical solution, the number of the heat source units is plural, and third control valves are arranged on the first transition section and the second transition section corresponding to any two adjacent heat source units.
In the technical scheme, by arranging the plurality of heat source units, on one hand, switching of different heating efficiencies can be realized to meet different heat supply requirements, on the other hand, when one heat source unit breaks down, for example, when frosting occurs, the heating efficiency of the heat source unit can be obviously reduced, and at the moment, under the operation of other heat source units, the heat supply requirements of users can be met. In addition, when a plurality of heat source units are provided, the operation of different units can be controlled by providing a third control valve, and the flow direction of hot water generated by different units can also be controlled. For example, if the third control valve between the two heat source units controls the two heat source units to be disconnected, under the condition that the two heat source units work normally, hot water generated by the heat source unit close to the heat exchanger can be directly discharged for heat supply, while the heat generated by the heat source unit close to the second water storage tank can be stored through the second water storage tank, and redundant heat is stored in the first water storage tank after being subjected to heat exchange through the water source heat pump unit, so that the effect of heat storage while heat supply is ensured.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 shows a schematic structural diagram of a concentrated heat exchange and storage system according to an embodiment of the present invention;
fig. 2 shows a schematic structural diagram of a concentrated heat exchange and storage system according to an embodiment of the present invention;
fig. 3 shows a schematic structural diagram of a concentrated heat exchange and storage system according to an embodiment of the present invention;
fig. 4 shows a schematic structural diagram of a concentrated heat exchange and storage system according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:
100: a centralized heat exchange and storage system; 102: a heat source unit; 1022: a first nozzle; 1024: a second water gap; 104: a water source heat pump unit; 106: a first water storage tank; 1062: a first interface; 1064: a second interface; 108: a heat exchanger; 110: an indoor unit; 112: a second water storage tank; 114: a first main pipeline; 1142: a first heat storage section; 1144: a first transition section; 1146: a first heat supply section; 116: a second main pipeline; 1162: a second heat storage section; 1164: a second transition section; 1166: a second heat supply section; 118: a first branch; 120: a fourth control valve; 122: a fifth control valve; 124: a first control valve; 126: a second control valve; 128: a third control valve; 130: a one-way pump; 132: a cooling tower; 1322: a water inlet; 1324: a water outlet; 134: a third branch; 136: a fourth branch; 138: a first water inlet pipe; 140: a first water outlet pipe; 142: a seventh control valve; 144: and a sixth control valve.
Detailed Description
In order to make the aforementioned objects, features and advantages of the embodiments of the present invention more clearly understood, embodiments of the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, embodiments of the present invention may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below.
Some embodiments according to the invention are described below with reference to fig. 1 to 4.
Example one
As shown in fig. 1, the concentrated heat exchange and heat storage system 100 according to the embodiment includes a heat source unit 102, a water source heat pump unit 104, a cooling tower, a first water storage tank 106, a heat exchanger 108, and an indoor unit 110, wherein the other devices except the indoor unit 110 are disposed outdoors and used as terminals of central heating. This application utilizes two units of heat source unit 102 and water source heat pump set 104 can provide stable heat for indoor unit 110 under different work condition and ambient temperature, and under cooling tower 132's effect, can descend the temperature of the water in the pipeline to can realize the refrigerated effect to the interior space, can make the season that the system was used wider, and winter and summer all can be suitable for. Specifically, the heat source unit 102 is used as a main heat generating device, the generated heat heats cold water in a pipeline flowing through, the cold water is discharged from the first water gap 1022 after being heated, the discharged water can flow to different devices according to different working conditions, for example, when the heat source unit directly supplies heat, the discharged water can flow to the indoor unit 110 as same as a traditional centralized heating system, and under the working condition of heat storage, hot water can selectively flow to the water source heat pump unit 104, and in the process that the water source heat pump unit 104 is continuously operated, the heat can be transferred to the pipeline on the heat supply side and finally flows into the first water storage tank 106, or the generated hot water can directly flow into the first water storage tank 106, so that the heat can be stored in the form of hot water. When the outdoor environment is severe and the heat source unit 102 cannot operate completely, the heating efficiency is reduced, and at this time, the heat of the hot water in the first water storage tank 106 stored before can be used to be supplied to the heat exchanger 108 separately, so as to heat the indoor unit 110, or the heat in the first water storage tank 106 and the heat source unit 102 with incomplete power can be used together to realize centralized heating indoors.
It should be noted that the heat source unit 102 may be an electric heating device as a main heat supply device, or may be conventional energy source, such as solar energy or energy generated by a heat generating device during operation, and the excess heat may be stored in the first water storage tank 106 through the water source heat pump unit 104.
And to the use scene in summer, the higher hot water of temperature is cooled down to the usable cooling tower 132's of this system characteristic, generates cold water, and heat source unit does not work when refrigerating, and cold volume mainly provides through cooling tower 132, can save cold volume through pouring into first water storage box into to follow-up transmission to indoor through the heat exchanger, thereby satisfy the refrigeration demand.
If the heat source unit 102 is an electric device, according to the power supply policies of different regions, the heat source unit 102 can be turned off at a time with a higher unit price by using different electricity charges between peak and valley regions to operate in a time period with a lower unit price to store redundant heat energy, and the heat source unit 102 can be turned off only by using the heat stored in the first water storage tank 106 so far to supply heat to the user, so that a certain effect of reducing cost can be achieved.
Wherein the first reservoir 106 may have a certain constant pressure.
The heat exchanger 108 includes a primary side and a secondary side, where the primary side is a heat source side and the secondary side is a user side.
It should be added that each heat source unit 102 is provided with a plurality of first water gaps 1022 and a plurality of second water gaps 1024, and water flows in through the second water gaps 1024 under the action of the heat source unit 102 and flows out through the first water gaps 1022 after being heated inside.
The system can have a plurality of heating working modes, such as direct heat supply, heat storage, direct heat supply and heat storage, combined heat supply and heat release.
Specifically, in the case of direct heating, only the heat source unit 102 and the heat exchanger 108 are controlled to operate.
Under the heat storage working condition, the heat source unit 102, the first water storage tank 106 and the water source heat pump unit 104 are controlled to operate, so that heat generated by the heat source unit 102 is transferred to the first water storage tank 106 through the water source heat pump unit 104 to be stored.
Under the direct heat supply and heat storage working condition, the heat source unit 102, the first water storage tank 106 and the heat exchanger 108 are controlled to operate, so that redundant hot water can be directly stored into the first water storage tank 106 under the heat supply condition.
Under the operating mode of heat supply and heat storage, all equipment can be controlled to operate together, after a part of discharged hot water can be subjected to heat exchange circulation through the water source heat pump unit 104, the hot water flows to the first water storage tank 106, the other part of the hot water can directly flow into the water storage tank to store water, and the rest of the hot water can flow to the heat exchanger 108 to exchange heat.
In the combined heating operation, all the devices are also controlled to operate together, and the water flowing into the heat exchanger 108 is the mixture of the heat source unit 102 and the hot water originally stored in the first water storage tank 106.
Under the condition of independent heat release, neither the heat source unit 102 nor the water source heat pump unit 104 operates, new hot water is not generated, and the hot water in the first water storage tank 106 is simply utilized to supply heat to the indoor unit 110.
Of course, the system may also have multiple cooling modes, such as: direct cold supply, cold accumulation, direct cold supply and cold accumulation, combined cold supply and cold release.
It should be noted that, in any refrigeration mode, the heat source unit does not operate, and only the operation of the cooling tower 132 is controlled.
Specifically, under direct cooling, the cold water generated by the cooling tower 132 directly flows to the heat exchanger through the pipeline for heat exchange; under the working condition of cold accumulation, cold water only flows to the first water storage tank for storage; under the working condition of direct cold supply and cold accumulation, cold water is divided into two parts, wherein one part flows to the first water storage tank for storage, and the other part transfers cold energy to a main pipeline connected to the heat exchanger under the action of the water source heat pump unit, so that cold accumulation and heat supply are realized; under the working conditions of cold supply and cold accumulation, all devices can be controlled to operate together, part of cold water discharged by the cooling tower 132 flows to the first water storage tank after being subjected to heat exchange and circulation through the water source heat pump unit, the other part of cold water directly flows into the first water storage tank for water storage, and the rest of cold water flows to the heat exchanger for heat exchange; under the working condition of combined cooling, all the devices are controlled to operate together, and at the moment, the water flowing into the heat exchanger is mixed with the cold water originally stored in the first water storage tank and the cooling tower 132; under the working condition of independent cold release, the cooling tower 132 and the water source heat pump unit are not operated, new cold water cannot be generated, and the cold water in the first water storage tank is simply utilized to supply cold for the indoor unit.
In a more specific embodiment, as shown in fig. 4, the system includes two host modules, i.e., two heat source units 102, and each heat source unit 102 is composed of a plurality of air-cooled heat pump hosts, and can be selected to operate alone or in combination according to actual environmental conditions and system operating conditions. In addition, the system is provided with devices such as a heat storage water tank (namely the first water storage tank 106 and the second water storage tank 112), a water source heat pump unit 104, a plate type heat exchanger (namely the heat exchanger 108) and the like, so that the water supply temperature is increased on the main body system of the wind-powered cold and heat pump unit, the operation stability is guaranteed, and the heat supply range is widened;
the automatic valve group is adopted and combined with a simple control system, complex mode switching is not needed, safety and reliability are achieved, the system has 6 basic modes of direct heat supply, heat storage, direct heat supply and heat storage, combined heat supply, heat release and the like, and the 6 modes need to be configured according to the actual environment temperature in winter and the heat supply requirement, so that stable operation, energy conservation and high efficiency are guaranteed.
In addition, a primary pump, a secondary pump (i.e., a one-way pump 130) and an electric valve group (i.e., a first control valve 124, a second control valve 126, a third control valve 128, a fourth control valve 120 and a fifth control valve 122) for performing related control under different working conditions are arranged in the system. The system is provided with a heat storage water tank, so that heat can be stored and supplied, and a constant pressure effect can be achieved; the system is provided with the water source heat pump unit, so that the water supply temperature can be improved and guaranteed, and the stability of the system is enhanced; the system is provided with the electric valve group, so that the working modes can be accurately switched, the operation flow is simplified, and the safety and reliability of the system operation are ensured; the diversity of the composition and the working mode of the air-cooled heat pump heat supply system not only ensures the stable and efficient operation of the unit, but also is not limited in extreme weather areas, and the application area is widened.
Example two
As shown in fig. 3, the concentrated heat exchange and storage system 100 according to the present embodiment includes a heat source unit 102, a water source heat pump unit 104, a first water storage tank 106, a second water storage tank 112, a heat exchanger 108, and an indoor unit 110, wherein the other devices except the indoor unit 110 are disposed outdoors and used as terminals of central heating. The heat source unit 102 and the water source heat pump unit 104 can provide stable heat for the indoor unit 110 under different working conditions and ambient temperatures, and the applicable environment range of the system can be expanded. Specifically, the heat source unit 102 is used as a main heat generating device, the generated heat heats cold water in a pipeline flowing through, the cold water is discharged from the first water gap 1022 after being heated, the discharged water can flow to different devices according to different working conditions, for example, when the heat source unit directly supplies heat, the discharged water can flow to the indoor unit 110 as same as a traditional centralized heating system, and under the working condition of heat storage, hot water can selectively flow to the water source heat pump unit 104, and in the process that the water source heat pump unit 104 is continuously operated, the heat can be transferred to the pipeline on the heat supply side and finally flows into the first water storage tank 106, or the generated hot water can directly flow into the first water storage tank 106, so that the heat can be stored in the form of hot water. When the outdoor environment is severe and the heat source unit 102 cannot operate completely, the heating efficiency is reduced, and at this time, the heat of the hot water in the first water storage tank 106 stored before can be used to be supplied to the heat exchanger 108 separately, so as to heat the indoor unit 110, or the heat in the first water storage tank 106 and the heat source unit 102 with incomplete power can be used together to realize centralized heating indoors.
The second water storage tank 112 is arranged between the water source heat pump unit 104 and the heat source unit 102, and under the action of the second water storage tank 112, the second water storage tank and the first water storage tank 106 can jointly store heat for hot water discharged from the heat source unit 102, namely, relative to the heat source unit 102, the first water storage tank 106 and the second water storage tank 112 are respectively arranged on two sides of the heat source unit 102, and under the condition that all pipelines are opened, hot water can respectively flow into the first water storage tank 106 and the second water storage tank 112 from two sides, so that the common heat storage is realized.
Wherein, through setting up third branch 134 and fourth branch 136, can be linked together the hot-water line of the heat accumulation side of water source heat pump set and the hot-water line of heat supply side, and will hold the cold water pipe of hot side and the cold water pipe UNICOM of heat supply side also to in cold water with in the cooling tower 132 through first main line, thereby realize the circulation, also be convenient for satisfy different operating mode demands.
Specifically, one end of the third branch 134 is connected to a hot water pipeline connecting the second side of the second water storage tank and the heat storage side of the water source heat pump unit, and the other end is connected to a hot water pipeline connecting the heat supply side of the water source heat pump unit and the first water storage tank; one end of the fourth branch 136 is connected to the cold water pipeline connecting the second side of the second water storage tank and the heat storage side of the water source heat pump unit, and the other end is connected to the cold water pipeline connecting the heat supply side of the water source heat pump unit and the first water storage tank.
Further, by additionally providing two pipelines, the water inlet 1322 and the water outlet 1324 are respectively connected to the first water inlet pipe 138 and the first water outlet pipe 140 through the first water inlet pipe 138, and particularly, when the seventh control valve 142 is provided on the first water inlet pipe 138, the first water outlet pipe 140, the third branch 134 and the fourth branch 136, the seventh control valves 142 on different pipelines can be controlled to be opened and closed under different working conditions, so that different functions are realized.
Under the condition that the electromagnetic valve and the one-way water pump are arranged in the pipeline, the first water storage tank 106 and the second water storage tank 112 can achieve the stepped water storage effect, so that the running water storage tanks can be flexibly adjusted according to different use working conditions, and the stability of the indoor side temperature is improved.
It should be added that the water source heat pump unit 104 mainly includes a heat storage side and a heat supply side, and each side is independently provided with a cold water end and a hot water end, so that the heat of the water at the heat storage side and the heat of the water at the heat supply side can be exchanged, and then the hot water can be stored in the first water storage tank 106.
It should be noted that, since the two ends of the heat storage side are communicated with the second side of the second water storage tank 112, that is, the hot water generated by the heat source unit 102 flows into the second water storage tank 112, and after the second water storage tank 112 stores a part of the heat, the hot water flows to the heat storage side, at this time, the temperature of the heat storage side is higher because the hot water just flows out from the heat source unit 102, and under the action of the second water storage tank 112, a certain amount of hot water can be stored, thereby achieving a constant temperature effect, and further performing heat exchange under the action of the water source heat pump unit 104, and also improving a certain system stability, that is, the temperature of the hot water flowing into the first water storage tank 106 is controllable, thereby improving and ensuring subsequent water supply temperature.
It should be added that two ends of the heat supplying side of the water source heat pump unit are respectively communicated with the water inlet 1322 and the water outlet 1324 of the cooling tower 132, so as to satisfy the flow of cold water under different working conditions in the cooling mode.
Through the arrangement of the sixth control valve 144, the water inlet and outlet at the heat storage side and the water inlet and outlet at the heat supply side of the water source heat pump unit can be controlled, so that different working conditions can be met more conveniently.
It should be noted that the heat source unit 102 may be an electric heating device as a main heat supply device, or may be conventional energy source, such as solar energy or energy generated by a heat generating device during operation, and the excess heat may be stored in the first water storage tank 106 through the water source heat pump unit 104.
If the heat source unit 102 is an electric device, according to the power supply policies of different regions, the heat source unit 102 can be turned off at a time with a higher unit price by using different electricity charges between peak and valley regions to operate in a time period with a lower unit price to store redundant heat energy, and the heat source unit 102 can be turned off only by using the heat stored in the first water storage tank 106 so far to supply heat to the user, so that a certain effect of reducing cost can be achieved.
The heat exchanger 108 includes a primary side and a secondary side, where the primary side is a heat source side and the secondary side is a user side.
It should be added that each heat source unit 102 is provided with a plurality of first water gaps 1022 and a plurality of second water gaps 1024, and water flows in through the second water gaps 1024 under the action of the heat source unit 102 and flows out through the first water gaps 1022 after being heated inside.
The system can have a plurality of working modes, such as direct heat supply, heat storage, direct heat supply and heat storage, combined heat supply and heat release.
EXAMPLE III
As shown in fig. 2, the concentrated heat exchange and storage system 100 according to the present embodiment includes a heat source unit 102, a water source heat pump unit 104, a first water storage tank 106, a heat exchanger 108, and an indoor unit 110, wherein other devices except the indoor unit 110 are disposed outdoors to serve as terminals for central heating. The heat source unit 102 and the water source heat pump unit 104 can provide stable heat for the indoor unit 110 under different working conditions and ambient temperatures, and the applicable environment range of the system can be expanded. Specifically, the heat source unit 102 is used as a main heat generating device, the generated heat heats cold water in a pipeline flowing through, the cold water is discharged from the first water gap 1022 after being heated, the discharged water can flow to different devices according to different working conditions, for example, when the heat source unit directly supplies heat, the discharged water can flow to the indoor unit 110 as same as a traditional centralized heating system, and under the working condition of heat storage, hot water can selectively flow to the water source heat pump unit 104, and in the process that the water source heat pump unit 104 is continuously operated, the heat can be transferred to the pipeline on the heat supply side and finally flows into the first water storage tank 106, or the generated hot water can directly flow into the first water storage tank 106, so that the heat can be stored in the form of hot water. When the outdoor environment is severe and the heat source unit 102 cannot operate completely, the heating efficiency is reduced, and at this time, the heat of the hot water in the first water storage tank 106 stored before can be used to be supplied to the heat exchanger 108 separately, so as to heat the indoor unit 110, or the heat in the first water storage tank 106 and the heat source unit 102 with incomplete power can be used together to realize centralized heating indoors.
By arranging two main pipelines, namely the first main pipeline 114 and the second main pipeline 116, the second water port 1024 and the first water port 1022 on the heat source unit 102 can be respectively collected, so that cold water in the heat exchanger 108 and the water source heat pump unit 104 can be injected into the heat source unit 102 through the first main pipeline 114, and hot water generated after the heat source unit 102 is heated can normally flow into the water source heat pump unit 104 or the heat exchanger 108 through the second main pipeline 116. Specifically, for the first main pipeline 114 and the second main pipeline 116, both ends are respectively communicated with the primary side of the heat exchanger 108 and the second water storage tank 112, so that water supply circulation under different working conditions can be realized.
It should be noted that the primary side of the heat exchanger 108 includes two interfaces, which are connected to the first main line 114 and the second main line 116, respectively.
The other ends of first main pipeline 114 and second main pipeline 116 are also connected to two interfaces of the heat supplying side of heat source unit 102.
And to the use scene in summer, the higher hot water of temperature is cooled down to the usable cooling tower 132's of this system characteristic, generates cold water, and heat source unit does not work when refrigerating, and cold volume mainly provides through cooling tower 132, can save cold volume through pouring into first water storage box into to follow-up transmission to indoor through the heat exchanger, thereby satisfy the refrigeration demand.
Wherein, two interfaces, namely the first interface 1062 and the second interface 1064, are provided on the second side of the first water storage tank 106, and by connecting the two interfaces to the second main pipeline 116 respectively, in order that in the case that one of the interfaces is used for storing water inwards, the other interface is used for providing circulating water outwards, i.e. hot water in the first water storage tank 106 flows to the heat exchanger 108 through the other interface, thereby realizing heat supply.
Furthermore, a first branch 118 is provided to facilitate the flow of hot water from the first reservoir 106 to the second main line 116 via the first branch 118 for subsequent supply to the heat exchanger 108.
Further, a fourth control valve 120 is disposed on a pipe section of the second main pipe 116 close to the heat source unit 102, and a fifth control valve 122 is disposed on a pipe section between the second main pipe 116 and the second port 1064, so that the filling and draining of the first water storage tank 106 can be realized by controlling the fourth control valve 120 and the fifth control valve 122, so as to be suitable for different working conditions.
The first main pipeline 114 and the second main pipeline 116 respectively include a heat storage section, a transition section, and a heat supply section, that is, the first main pipeline 114 includes a first heat storage section 1142, a first transition section 1144, and a first heat supply section 1146, which are sequentially connected, and the second main pipeline 116 includes a second heat storage section 1162, a second transition section 1164, and a second heat supply section 1166, which are sequentially connected. By connecting the second water gap 1024 and the first water gap 1022 to the first transition section 1144 and the second transition section 1164, respectively, the inflow and outflow of water are increased, so that the heating capacity is increased.
The first heat supplying section 1146 and the second heat supplying section 1166 are connected to the primary side of the heat exchanger 108, and the first heat accumulating section 1142 and the second heat accumulating section 1162 are connected to the second water storage tank 112.
Further, the first control valve 124 is disposed on the first heat supplying section 1146 and the second heat supplying section 1166, so that the internal circulation of water flow can be controlled under a specific heat storage condition, that is, when the first control valve 124 is turned off, hot water is injected into the first water storage tank 106 and the second water storage tank 112 to complete water storage, and when the first control valve 124 is fully turned on, heat can be normally supplied to the indoor side. In the case of the second control valve 126, which is disposed on the heat storage section, under the condition that heat storage is not needed, for example, in the case of conventional normal heating, the second control valve 126 is turned off, and the hot water in the heat source unit 102 directly flows to the heat exchanger 108.
It should be noted that the heat source unit 102 may be an electric heating device as a main heat supply device, or may be conventional energy source, such as solar energy or energy generated by a heat generating device during operation, and the excess heat may be stored in the first water storage tank 106 through the water source heat pump unit 104.
If the heat source unit 102 is an electric device, according to the power supply policies of different regions, the heat source unit 102 can be turned off at a time with a higher unit price by using different electricity charges between peak and valley regions to operate in a time period with a lower unit price to store redundant heat energy, and the heat source unit 102 can be turned off only by using the heat stored in the first water storage tank 106 so far to supply heat to the user, so that a certain effect of reducing cost can be achieved.
The heat exchanger 108 includes a primary side and a secondary side, where the primary side is a heat source side and the secondary side is a user side.
It should be added that each heat source unit 102 is provided with a plurality of first water gaps 1022 and a plurality of second water gaps 1024, and water flows in through the second water gaps 1024 under the action of the heat source unit 102 and flows out through the first water gaps 1022 after being heated inside.
The system can have a plurality of working modes, such as direct heat supply, heat storage, direct heat supply and heat storage, combined heat supply and heat release.
Example four
As shown in fig. 4, the concentrated heat exchange and storage system 100 according to the present embodiment includes a plurality of heat source units 102, a water source heat pump unit 104, a first water storage tank 106, a heat exchanger 108, and an indoor unit 110, wherein other devices except the indoor unit 110 are disposed outdoors to serve as terminals for central heating. The heat source unit 102 and the water source heat pump unit 104 can provide stable heat for the indoor unit 110 under different working conditions and ambient temperatures, and the applicable environment range of the system can be expanded. Specifically, the heat source unit 102 is used as a main heat generating device, the generated heat heats cold water in a pipeline flowing through, the cold water is discharged from the first water gap 1022 after being heated, the discharged water can flow to different devices according to different working conditions, for example, when the heat source unit directly supplies heat, the discharged water can flow to the indoor unit 110 as same as a traditional centralized heating system, and under the working condition of heat storage, hot water can selectively flow to the water source heat pump unit 104, and in the process that the water source heat pump unit 104 is continuously operated, the heat can be transferred to the pipeline on the heat supply side and finally flows into the first water storage tank 106, or the generated hot water can directly flow into the first water storage tank 106, so that the heat can be stored in the form of hot water. When the outdoor environment is relatively harsh and the heat source unit 102 cannot operate completely, the heating efficiency may be reduced, and at this time, the heat of the hot water stored in the first water storage tank 106 before may be used to supply the heat to the heat exchanger 108 separately, so as to heat the indoor unit 110, or the heat in the first water storage tank 106 may be used together with the heat source unit 102 with incomplete power to realize centralized heating indoors.
And to the use scene in summer, the higher hot water of temperature is cooled down to the usable cooling tower 132's of this system characteristic, generates cold water, and heat source unit does not work when refrigerating, and cold volume mainly provides through cooling tower 132, can save cold volume through pouring into first water storage box into to follow-up transmission to indoor through the heat exchanger, thereby satisfy the refrigeration demand.
The plurality of heat source units 102 are arranged, so that on one hand, switching of different heating efficiencies can be realized to meet different heat supply requirements, and on the other hand, when one heat source unit 102 breaks down, for example, frosting occurs, the heating efficiency is obviously reduced, and at the moment, under the operation of the other heat source units 102, the heat supply requirements of users can be met. In the case where a plurality of heat source units 102 are provided, the third control valve 128 can control the operation of the different units and also control the flow direction of the hot water generated by the different units. For example, if the third control valve 128 between the two heat source units 102 is controlled to be opened, when the two heat source units 102 are in normal operation, the hot water generated by the heat source unit 102 close to the heat exchanger 108 is directly discharged for heating, while the heat generated by the heat source unit 102 close to the second water storage tank 112 is stored in the second water storage tank 112, and the excess heat is heat-exchanged by the water source heat pump unit 104 and then stored in the first water storage tank 106, thereby ensuring the effects of heat storage and heat supply.
It should be noted that the heat source unit 102 may be an electric heating device as a main heat supply device, or may be energy generated by a conventional energy source, such as solar energy or a heat generating device, when operating, and excess heat may be stored in the first water storage tank 106 through the water source heat pump unit 104.
If the heat source unit 102 is an electric device, according to power supply policies of different regions, different electricity charges between peak and valley regions can be used, the heat source unit 102 can be operated in a time period with a low unit price to store redundant heat energy, the heat source unit 102 can be closed in a time period with a high unit price, heat is supplied to a user only through heat stored in the first water storage tank 106, and a certain effect of reducing cost can be achieved.
The heat exchanger 108 includes a primary side and a secondary side, where the primary side is a heat source side and the secondary side is a user side.
It should be added that each heat source unit 102 is provided with a plurality of first water gaps 1022 and a plurality of second water gaps 1024, and water flows in through the second water gaps 1024 under the action of the heat source unit 102 and flows out through the first water gaps 1022 after being heated inside.
The system can have a plurality of working modes, such as direct heat supply, heat storage, direct heat supply and heat storage, combined heat supply and heat release.
On the basis of any of the above embodiments, each heat source unit 102 includes multiple air-cooled heat pump hosts, the energy efficiency ratio of the air-cooled heat pump hosts changes little, the system can be controlled in a partitioned manner, and the water pump power is low. The air-cooled heat pump is more suitable for the environment with long-time operation and larger air-conditioning load change under the action of the air-cooled heat pump host, and is more suitable for large-scale central heating.
It can be understood that under the action of a plurality of air-cooled heat pump hosts, the heating capacity of the whole heat source unit 102 can be improved, and the requirement of central heating can be more conveniently met.
According to the utility model provides a concentrate heat transfer heat accumulation system utilizes two units of heat source unit and water source heat pump set can provide stable heat for indoor set under different work condition and ambient temperature, and the application environment scope of expanded system is simultaneously owing to set up the cooling tower, and is applicable under refrigerated operating mode, enlarges the application scope of product.
In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are used broadly and should be construed to include, for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; "connected" may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present specification, the terms "one embodiment," "some embodiments," "specific embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A concentrated heat exchange and storage system, comprising:
each heat source unit is provided with a plurality of first water gaps and a plurality of second water gaps;
one end of the water source heat pump unit is communicated to the heat source unit through a first water storage tank, and the other end of the water source heat pump unit is connected to the first water port;
the two connectors on the primary side of the heat exchanger are respectively connected with the first water port and the second water port;
the cooling tower is provided with a water inlet and a water outlet, and the water inlet and the water outlet are respectively communicated with two pipelines connected with the water source heat pump unit and the first water storage tank;
and the indoor unit is communicated with the secondary side of the heat exchanger.
2. The concentrated heat exchange and thermal storage system according to claim 1, further comprising:
the second water storage tank is arranged between the water source heat pump unit and the heat source unit and comprises a first side and a second side, the first side is communicated with the heat source unit, and the second side is communicated with the water source heat pump unit;
one end of the third branch is connected with a hot water pipeline which is connected with the second side of the second water storage tank and the heat storage side of the water source heat pump unit, and the other end of the third branch is connected with a hot water pipeline which is connected with the heat supply side of the water source heat pump unit and the first water storage tank;
and one end of the fourth branch is connected with the cold water pipeline which is connected with the second side of the second water storage tank and the heat storage side of the water source heat pump unit, and the other end of the fourth branch is connected with the heat supply side of the water source heat pump unit and the cold water pipeline of the first water storage tank.
3. The concentrated heat exchange and heat storage system according to claim 2, wherein the water inlet is communicated with one of the pipes connecting the water source heat pump unit and the first water storage tank through a first water inlet pipe, and the water outlet is communicated with the other pipe connecting the water source heat pump unit and the first water storage tank through a first water outlet pipe, the concentrated heat exchange and heat storage system further comprising:
and the seventh control valve is respectively arranged on the first water inlet pipe, the first water outlet pipe, the third branch and the fourth branch.
4. The concentrated heat exchange and storage system according to claim 2, further comprising:
the second water openings are connected to the first main pipeline;
a second main pipeline to which the plurality of first water gaps are connected;
one end of the first main pipeline is connected with one interface of the primary side of the heat exchanger, the other end of the first main pipeline is connected to the second water storage tank, one end of the second main pipeline is connected with the other interface of the primary side of the heat exchanger, and the other end of the second main pipeline is connected to the second water storage tank.
5. The concentrated heat exchange and thermal storage system according to claim 4, wherein the second side of the first reservoir tank comprises a first port and a second port, both the first port and the second port being connected to the second main line.
6. The concentrated heat exchange and thermal storage system according to claim 5, further comprising:
one end of the first branch is connected with the first interface, and the other end of the first branch is connected with the second main pipeline;
the fourth control valve is arranged on the second main pipeline, and the fourth control valve is arranged on a pipe section, close to the heat source unit, of the joint of the second main pipeline and the first branch pipeline;
and the fifth control valve is arranged on a pipeline connected between the second interface and the second main pipeline.
7. The concentrated heat exchange and heat storage system according to claim 4, wherein the first main pipeline comprises a first heat storage section, a first transition section and a first heat supply section which are connected in sequence, and the second main pipeline comprises a second heat storage section, a second transition section and a second heat supply section which are connected in sequence;
the second water port is connected to the first transition section, the first water port is connected to the second transition section, and the first heat supply section and the second heat supply section are both connected with the primary side of the heat exchanger.
8. The concentrated heat exchange and heat storage system according to claim 7, wherein the first heat supply section and the second heat supply section are respectively provided with a first control valve, and the first heat storage section and the second heat storage section are respectively provided with a second control valve.
9. The concentrated heat exchange and heat storage system according to claim 7, wherein the number of the heat source units is plural, and third control valves are provided on the first transition section and the second transition section corresponding to any two adjacent heat source units.
10. The system of any one of claims 2 to 9, wherein the water source heat pump unit comprises a heat storage side and a heat supply side, two ends of the heat storage side are respectively communicated with the second side of the second water storage tank, two ends of the heat supply side are respectively communicated with the first side of the first water storage tank, and two ends of the heat supply side are respectively communicated with the water inlet and the water outlet.
11. The concentrated heat exchange and thermal storage system according to claim 10, further comprising:
and the sixth control valves are respectively arranged on the two pipelines connecting the first side of the first water storage tank with the heat supply side, and are also respectively arranged on the two pipelines connecting the heat storage side with the heat source unit.
12. The concentrated heat exchange and heat storage system according to any one of claims 1 to 9, wherein the heat source unit comprises a plurality of air-cooled heat pump hosts, and each air-cooled heat pump host is provided with one first water gap and one second water gap.
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Effective date of registration: 20230728 Address after: 401336 No. 15 Rose Road, Nanan District, Chongqing Patentee after: CHONGQING MIDEA GENERAL REFRIGERATION EQUIPMENT Co.,Ltd. Patentee after: MIDEA GROUP Co.,Ltd. Patentee after: Meitong Energy Technology (Chongqing) Co.,Ltd. Address before: 401336 No. 15 Rose Road, Nanan District, Chongqing Patentee before: CHONGQING MIDEA GENERAL REFRIGERATION EQUIPMENT Co.,Ltd. Patentee before: MIDEA GROUP Co.,Ltd. |