CN213362712U - Heating/cooling system - Google Patents
Heating/cooling system Download PDFInfo
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- CN213362712U CN213362712U CN202022351468.9U CN202022351468U CN213362712U CN 213362712 U CN213362712 U CN 213362712U CN 202022351468 U CN202022351468 U CN 202022351468U CN 213362712 U CN213362712 U CN 213362712U
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Abstract
The utility model discloses a heating/refrigerating system, including graphite alkene ground-buried pipe network, ground source heat pump, indoor end and heating equipment, graphite alkene ground-buried pipe network contacts the heat transfer with the shallow layer soil, and graphite alkene ground-buried pipe network includes many graphite alkene ground-buried pipes, and graphite alkene ground-buried pipe network includes first inlet pipe and first discharging pipe; the ground source heat pump is respectively connected with the first feeding pipe and the first discharging pipe; the indoor tail end comprises a second feeding pipe and a second discharging pipe, and the second feeding pipe and the second discharging pipe are connected with a ground source heat pump; the heating equipment comprises a third feeding pipe and a third discharging pipe, the third discharging pipe is connected with the second feeding pipe, and the third feeding pipe is connected with the second discharging pipe. The system reduces the number of well drilling, reduces the initial investment cost and shortens the cost recovery period under the condition of ensuring normal heat supply in extremely cold weather in winter in the heating mode; when the system is in a refrigeration mode, the heat exchange efficiency of the heat exchange medium and soil in the pipe network can be improved, and therefore the operation cost can be reduced.
Description
Technical Field
The utility model belongs to the technical field of the heat transfer, concretely relates to heating/refrigerating system.
Background
For a long time, the mode of directly burning coal as a heating source in winter in northern areas of China has become one of important causes of regional haze pollution. If the direct coal-fired heating mode is continuously adopted, the haze pollution is further aggravated undoubtedly, meanwhile, the serious influence is brought to clothes, eating and housing, physical and mental health of the social people, and the direct coal-fired heating mode becomes an obstacle factor influencing social development and economic stability. Therefore, clean heating in northern areas has become a prominent issue of general government and social concern in recent years, and is included in the major engineering project of the national "thirteen-five" program. The promotion of clean heating in winter in northern areas is important content related to the warmth and overwintering of the masses in northern areas, incapability of reducing haze in relation to the mass, energy production and consumption revolution and rural life style revolution. According to the guidelines of enterprises as the main, government promotion and bearable residents, gas is generated when gas is supplied, and electricity is generated when electricity is supplied, so that clean energy is utilized as far as possible, and the specific gravity of clean heating is accelerated to be improved.
Shallow geothermal energy is a typical clean energy form, and is an intangible natural resource accumulated underground (0-200 m) and is a product of the combined action of heat conduction and heat convection at the deep part of the earth and solar radiation. The shallow geothermal energy has the characteristics of cyclic regeneration, cleanness, environmental protection, wide distribution, huge reserve, shallow burial, capability of being developed and utilized nearby and the like, and can reduce the emission of pollutants as a substitute resource of fossil energy.
The ground source heat pump is only a carrier of shallow geothermal heat, 4-5 parts of clean energy (heat/cold) is extracted from underground exchange by using one part of electric energy, and zero emission and no pollution are realized in the physical process of heat exchange. A traditional ground source heat pump system generally consists of an outdoor buried pipe (polyethylene pipe), a heat pump host, an indoor terminal (heat exchange terminal: fan coil, ground heating pipe, capillary network gravity cabinet) and an outdoor/indoor side circulating pump. The ground source heat pump can realize the utilization of low-grade shallow geothermal energy, can obtain multiple times of energy benefits only by using a small amount of electric energy, completely accords with the basic principles of scientific energy utilization and energy level matching, is suitable for not only scattered users but also centralized users, is suitable for urban centralized heat supply and is also suitable for the current rural coal-to-electricity conversion.
In urban central heating, a ground source heat pump is used for extracting shallow geothermal energy for heating, although the operation cost is low, a large well-digging area is needed, wells are dug and buried pipes are laid, in order to guarantee the heating of extremely cold weather in winter, the number of the wells is higher than that of the wells required by normal use, so that the initial investment cost is higher, and the cost recovery period is long. If the gas boiler is used for centralized heat supply, although the initial investment cost is low, the operation cost is higher and even higher than the heating cost regulated by the government, and the loss is caused.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the present invention is to provide a heating/cooling system, which reduces the number of wells, reduces the initial investment cost, shortens the cost recovery period, and greatly reduces the operation cost compared with the single gas heating when ensuring the normal heating in the extremely cold weather in winter in the heating mode; when the system is in a refrigeration mode, the heat exchange efficiency of the heat exchange medium and soil in the pipe network can be improved, and therefore the operation cost can be reduced.
In one aspect of the present invention, the present invention provides a heating/cooling system. According to the utility model discloses an embodiment, the system includes:
the graphene underground pipe network is in contact with shallow soil for heat exchange, comprises a plurality of graphene underground pipes, and comprises a first feeding pipe and a first discharging pipe;
the ground source heat pump is respectively connected with the first feeding pipe and the first discharging pipe;
the indoor tail end comprises a second feeding pipe and a second discharging pipe, and the second feeding pipe and the second discharging pipe are respectively connected with the ground source heat pump;
and the heating equipment comprises a third feeding pipe and a third discharging pipe, the third discharging pipe is connected with the second feeding pipe, and the third feeding pipe is connected with the second discharging pipe.
According to the utility model discloses heating/refrigerating system buries the pipe network through adopting graphite alkene, because graphite alkene ground buries the pipe and has higher coefficient of heat conductivity, it can improve heat exchange efficiency when contacting the heat transfer with shallow soil, simultaneously when this system is in the heating mode, adopt the central heating mode of geothermal energy and heating equipment coupling, can be under the condition of guaranteeing the normal heat supply of extremely cold weather in winter, reduce the well drilling quantity, reduce initial stage input cost, shorten the cost recovery cycle, the more independent gas heat supply simultaneously, can greatly reduced operation cost, and when this system is in the refrigeration mode, the heat exchange efficiency of heat transfer medium and soil in the pipe network can be improved equally, thereby also can reduce the operation cost.
In addition, the heating/cooling system according to the above embodiment of the present invention may further have the following additional technical features:
in some embodiments of the utility model, the buried pipe network of graphite alkene buries underground 100 ~ 150 m.
In some embodiments of the present invention, the ground source heat pump includes a water source heat pump, a sewage source heat pump, a river source heat pump, a sea water source heat pump or an air source heat pump.
In some embodiments of the present invention, the heating/cooling system includes a plurality of indoor ends.
In some embodiments of the present invention, the heating/cooling system includes three indoor ends.
In some embodiments of the present invention, the indoor end includes at least one of a graphene capillary tube, a graphene capillary network gravity tank, and a graphene ground heating pipe. Therefore, the system operation cost can be improved and reduced.
In some embodiments of the invention, the heating device comprises at least one of a gas boiler, a vacuum gas boiler, a gas heat pump and a gas turbine.
In some embodiments of the present invention, the heating/cooling system further comprises: and the control device is respectively connected with the heating equipment and the indoor tail end, and the control device opens or closes the heating equipment based on the load of the indoor tail end.
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
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of a heating/cooling system according to an embodiment of the present invention;
fig. 2 is a schematic view showing a heating/cooling system according to still another embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. 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 present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In one aspect of the present invention, the present invention provides a heating/cooling system. According to the embodiment of the present invention, referring to fig. 1, the heating/cooling system includes a graphene buried pipe network 100, a ground source heat pump 200, an indoor end 300, and a heating apparatus 400.
According to the embodiment of the utility model, refer to fig. 1, bury pipe network 100 and shallow soil contact heat transfer graphene, bury pipe network 100 including many graphite alkene ground pipe 10 graphene, and bury pipe network 100 including first inlet pipe 11 and first discharging pipe 12 graphene, supply with heat medium promptly to burying pipe network 100 through first inlet pipe 11 and first discharging pipe 12 to graphene ground, because graphite alkene ground pipe 10 has higher coefficient of heat conductivity (more than 0.6 w/m.k), carry out the heat transfer in-process at this graphite alkene ground pipe 10 and shallow soil, can improve the heat exchange efficiency of the two, compare with the ground pipe of ordinary material, improve the heat exchange efficiency of single-ported well, reduce the number of taking a well, reduce man-hour, the reduction of erection time, reduce initial stage input cost. Preferably, the graphene underground pipe network 100 is buried in the ground for 100-150 m. The inventor finds that if the buried depth of the graphene underground pipe network 100 is too high, well drilling cost is increased, and construction is not facilitated; and if the buried depth of the graphene underground pipe network 100 is too low, namely the well drilling depth is too low, heat exchange of the graphene underground pipe network is not facilitated, and the heat exchange efficiency is reduced. Specifically, when the system is in a heating mode or a cooling mode, the heat exchange efficiency of the heat exchange medium and soil in the pipe network can be improved, so that the well drilling quantity and the operation cost are reduced.
According to the embodiment of the present invention, referring to fig. 1, the ground source heat pump 200 is connected to the first inlet pipe 11 and the first outlet pipe 12, respectively, that is, the power is provided for the circulation of the heat transfer medium in the system. Preferably, the ground source heat pump 200 includes a water source heat pump, a sewage source heat pump, a river source heat pump, a seawater source heat pump or an air source heat pump, that is, the heat exchange medium in the graphene buried pipe network may be ordinary water, sewage, river water, seawater or air, and those skilled in the art can select the heat exchange medium according to actual needs. Specifically, the ground source heat pump 200 may perform cooling and heating, and when the system is in the heating mode, the ground source heat pump 200 starts the heating mode, that is, after the heat exchange between the heat exchange medium and the soil is completed, the heat is heated by the ground source heat pump 200 and then supplied to the subsequent indoor end 300; when the system is in the cooling mode, the ground source heat pump 200 starts the cooling mode, that is, after the heat exchange between the heat exchange medium in the pipe network and the soil is completed, the ground source heat pump 200 is cooled and then supplied to the subsequent indoor end 300.
According to the utility model discloses an indoor end 300 includes second inlet pipe 31 and second discharging pipe 32, and second inlet pipe 31 and second discharging pipe 32 link to each other with ground source heat pump 200 respectively, supplies with the medium after the heat transfer in the graphite alkene ground pipe network 100 to indoor end 300 through ground source heat pump 200 promptly and heats or refrigerates indoor. According to the utility model discloses an embodiment, indoor end 300 includes at least one of graphite alkene capillary, graphite alkene capillary network gravity cabinet and graphite alkene ground heating coil, from this through adopting graphite alkene capillary, capillary network gravity cabinet and/or graphite alkene ground heating coil as indoor end 300, can improve equipment energy efficiency ratio, reduces the working costs. Preferably, the heating/cooling system includes a plurality of indoor ends 300, more preferably three indoor ends 300.
According to the utility model discloses an embodiment, refer to fig. 1, firing equipment 400 includes third inlet tube 41 and third discharging pipe 42, third discharging pipe 42 links to each other with second inlet tube 31, third inlet tube 41 links to each other with second discharging pipe 32, adopt the centralized heating mode of geothermal energy and firing equipment coupling promptly, can be under the condition of guaranteeing the normal heat supply of extremely cold weather in winter, reduce the well drilling quantity, reduce initial stage input cost, shorten the cost recovery cycle, the gas heat supply more alone simultaneously, can greatly reduced operating cost. Preferably, the heating apparatus 400 includes at least one of a gas boiler, a vacuum gas boiler, a gas heat pump, and a gas turbine.
Further, referring to fig. 2, the heating/cooling system further includes a control device 500, the control device 500 is connected to the heating apparatus 400 and the indoor terminal 300, respectively, and the control device 500 turns on or off the heating apparatus 400 based on a load of the indoor terminal 300. Specifically, the heating device 400 is used as an auxiliary device and is turned on only in extremely cold weather, and the load information of the indoor terminal 300 can be obtained by testing the indoor temperature thereof, for example, in winter, when the indoor temperature does not reach the standard when the graphene-based underground pipe network 100 is used for supplying heat, the heating device 400 is controlled to be turned on, and if the indoor temperature reaches the standard, the heating device 400 is turned off. It should be noted that, a person skilled in the art may select the control device 500 according to actual needs as long as the above functions can be achieved, and details are not described herein.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (8)
1. A heating/cooling system, comprising:
the graphene underground pipe network is in contact with shallow soil for heat exchange, comprises a plurality of graphene underground pipes, and comprises a first feeding pipe and a first discharging pipe;
the ground source heat pump is respectively connected with the first feeding pipe and the first discharging pipe;
the indoor tail end comprises a second feeding pipe and a second discharging pipe, and the second feeding pipe and the second discharging pipe are respectively connected with the ground source heat pump;
and the heating equipment comprises a third feeding pipe and a third discharging pipe, the third discharging pipe is connected with the second feeding pipe, and the third feeding pipe is connected with the second discharging pipe.
2. The heating/cooling system according to claim 1, wherein the graphene underground pipe network is buried under the ground for 100 to 150 m.
3. The heating/cooling system of claim 1, wherein the ground source heat pump comprises a water source heat pump, a sewage source heat pump, a river source heat pump, a sea source heat pump, or an air source heat pump.
4. The heating/cooling system as recited in claim 1 including a plurality of said indoor ends.
5. The heating/cooling system as recited in claim 1 including three of said indoor ends.
6. The heating/cooling system of claim 4 or 5, wherein the indoor end comprises at least one of a graphene capillary tube, a graphene capillary network gravity cabinet, and a graphene floor heating tube.
7. The heating/cooling system as claimed in claim 1, wherein the heating apparatus includes at least one of a gas boiler, a vacuum gas boiler, a gas heat pump, and a gas turbine.
8. The heating/cooling system of claim 1, further comprising: and the control device is respectively connected with the heating equipment and the indoor tail end, and the control device opens or closes the heating equipment based on the load of the indoor tail end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022351468.9U CN213362712U (en) | 2020-10-21 | 2020-10-21 | Heating/cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022351468.9U CN213362712U (en) | 2020-10-21 | 2020-10-21 | Heating/cooling system |
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| Publication Number | Publication Date |
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| CN213362712U true CN213362712U (en) | 2021-06-04 |
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| CN202022351468.9U Active CN213362712U (en) | 2020-10-21 | 2020-10-21 | Heating/cooling system |
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Effective date of registration: 20221123 Address after: 014300 Room 102, Office Building, Xin'ao Industrial Park, Wangaizhao Town, Dalate Banner, Ordos, Inner Mongolia Autonomous Region Patentee after: Inner Mongolia Xinminhui Nanotechnology Co.,Ltd. Address before: 065001 East Huaxiang Road, North Hongrun Road, Langfang Economic and Technological Development Zone, Hebei Province Patentee before: ENN GRAPHENE TECHNOLOGY Co.,Ltd. |