TWI737343B - Energy-saving system for refrigeration and heating and energy-saving method using same - Google Patents

Abstract

A energy-saving system for refrigeration and heating includes: a device for refrigeration and heating; a data center generating heat when working; a boiler connected to the device for refrigeration and heating and the data center; a heat exchanger connected to a device for refrigeration and heating and the data center; and a circulating pump connected to the data center, outdoor cold source and the heat exchanger. The boiler is used to collect the heat generated by the data center and the device for refrigeration and heating; and then heats the collected heat to high temperature heat and transfers the high temperature heat to indoor heating devices. The heat exchanger is used to receive heat generated by the device for refrigeration and heating and the data center. The circulating pump is used to receive the heat generated by the data center and transfer the received heat to the outdoor cold source for dissipating heat, and also used to transport the cold source obtained from the outdoor cold source to the heat exchanger, and then the heat exchanger transfers the cold source to indoor devices. The energy-saving system for refrigeration and heating is energy efficient and environmentally friendly, and can effectively use natural energy for refrigeration and heating.

Description

Refrigeration and heating energy-saving system and method for energy-saving using the same

The invention relates to a refrigeration and heating energy-saving system and a method for applying the same for energy-saving.

With the rapid development of communication technology, Internet data centers have developed on a large scale, and the energy consumption of communication enterprises has become more and more prominent. According to statistics, the power consumption of air conditioners in the computer room accounts for more than 50% of the total power consumption in the computer room. Due to the particularity of the air-conditioning environment in the computer room, the data center needs to be cooled continuously throughout the year. Even when the outdoor temperature is low in winter, the computer room still needs to be cooled. The natural cold air outside the computer room is a huge natural cold source. If it can be used reasonably, there will be a lot of room for energy saving of the computer room air conditioner. The low-temperature waste heat generated by the data center has serious impacts and harms on the atmosphere, water bodies, soil, animals and plants. Reusing the waste heat of the data center not only reduces the harm to the environment, but also reduces the consumption of high-level energy and improves the energy efficiency. Utilization rate.

With the rapid development of various industries, the existing technologies also include gas power generation technology, flue gas waste heat utilization technology and outdoor natural cold source utilization technology to make up for the increasing demand for energy consumption. The energy-saving and environmental protection system that seeks to efficiently use energy has attracted much attention. .

In view of this, it is necessary to provide a cooling and heating energy-saving system that effectively solves the above-mentioned problems. The cooling and heating energy-saving system can save energy and effectively perform cooling and heating.

A refrigeration and heating energy-saving system, which connects an outdoor cold source and an outdoor heat source, and includes: a refrigeration and heating device for indoor cooling and heating; a data center, which generates heat when it starts working; and a boiler; , The boiler is in communication with the cooling and heating device and the data center, and the boiler is used to collect the heat generated by the data center and the heat from the cooling and heating device and heat the obtained heat into high-temperature heat , And then transmit high-temperature heat to the indoor devices that need to be heated; a heat exchanger, the heat exchanger is connected to the cooling and heating device and the data center, and the heat exchanger is used to receive from the cooling and heating device And the heat generated by the data center; and a circulating pump, the circulating pump is in communication with the data center, the outdoor cold source is connected with the heat exchanger, and the circulating pump is used to receive the heat generated by the data center And transfer the heat to the outdoor cold source for heat dissipation. The circulating pump is also used to obtain the cold source from the outdoor cold source and transmit it to the heat exchanger, and then the cold source is transferred to the heat exchanger through the heat exchanger. The source is delivered to the indoor device.

The present invention also provides an energy-saving method for applying the refrigeration and heating system, including: outputting the heat generated during the operation of the data center to the boiler and the heat exchanger for recycling; and, by the The circulating pump collects the outdoor cold source and transmits it to the heat exchanger, and the heat exchanger transmits the outdoor cold source to the indoor device for indoor cooling; the heat generated during the operation of the data center is The circulating pump is transferred to the outdoor cold source, and the outdoor cold source is used for heat dissipation.

Compared with the prior art, the refrigeration and heating system uses the refrigeration and heating device and the hot water boiler to perform indoor cooling and heating requirements; at the same time, it recycles the waste heat generated during the operation of the data center; furthermore, Use outdoor heat sources to supplement indoor heat and use the room The external natural cold source performs heat dissipation and cooling. The refrigeration and heating energy-saving system collects low-temperature waste heat in the data center for recycling, and uses outdoor natural cold sources for auxiliary heat dissipation, reducing energy consumption for cooling and heating in order to maintain a comfortable environment. The system is energy-saving and environmentally friendly.

100: Cooling and heating energy-saving system

10: Cooling and heating device

10A: Heating components

10B: Refrigeration components

11: Outdoor heat source

12: Outdoor cold source

13: Data Center

14: Boiler

15: Heat exchanger

16: circulation pump

17: Cold receiving device

18: Devices that need to be heated indoors

19: Indoor devices

Fig. 1 is a schematic diagram of a cooling and heating energy system according to an embodiment of the present invention.

In order to be able to understand the above objectives, features and advantages of the present invention more clearly, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that in the following description, many specific details are set forth in order to fully understand the present invention, and the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of the present invention. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention.

1, the cooling and heating energy-saving system 100 according to the embodiment of the present invention includes a cooling and heating device 10, a data center 13, a boiler 14, a heat exchanger 15 and a circulating pump 16.

In this embodiment, the refrigeration and heating device 10 is in communication with an outdoor heat source 11; the circulation pump 16 is in communication with an outdoor cold source 12. The cooling and heating device 10 performs indoor cooling or heating, and is connected to the outdoor heat source 11 to obtain outdoor heat to supplement the heat of the cooling and heating energy-saving system 100. In this embodiment, when the ambient temperature of the cooling and heating device 10 is lower than At the first preset temperature, the cooling and heating device 10 performs heating; when the temperature of the environment where the cooling and heating device 10 is located is higher than the second temperature, the cooling and heating device 10 performs cooling. In this embodiment, the first preset temperature is 10 degrees Celsius, and the second preset temperature is 25 degrees Celsius. In other embodiments, the first preset temperature is not limited to 10 degrees Celsius, and may exceed or fall below 10 degrees Celsius, and the second preset temperature is not limited to 25 degrees Celsius, and may exceed or fall below 25 degrees Celsius, as long as the It is sufficient that the first preset temperature is lower than the second preset temperature. The outdoor heat source 11 is connected to obtain outdoor heat to supplement the heat of the cooling and heating energy-saving system 100. The data center 13 generates heat when it starts to work. The boiler 14 is in communication with the cooling and heating device 10 and the data center 13, and the boiler 14 is used to collect the heat generated by the data center 13 and the heat from the cooling and heating device 10 and obtain The heat is heated into high-temperature heat, and then the high-temperature heat is transferred to the device 18 that needs to be heated in the room. The heat exchanger 15 is in communication with the cooling and heating device 10 and the data center 13, and the heat exchanger 15 is used to receive heat generated from the cooling and heating device 10 and the data center 13. The circulating pump 16 is in communication with the data center 13, and the outdoor cold source 12 is in communication with the heat exchanger 15. The circulating pump 16 is used to receive the heat generated by the data center 13 and transfer the heat to all The outdoor cold source 12 dissipates heat, and the circulating pump 16 is also used to obtain a cold source from the outdoor cold source 12 and transmit it to the heat exchanger 15, and then transmit the cold source through the heat exchanger 15 To the indoor device 19.

In this embodiment, the refrigeration and heating device 10 includes a heating assembly 10A and a refrigeration assembly 10B. The heat generated by the heating assembly 10A performs indoor heating, and the heating assembly 10A communicates with the boiler 14 and the heat exchanger 15 so that the boiler 14 and the heat exchanger 15 also receive From the heat generated by the heating assembly 10A. The refrigeration assembly 10B is in communication with a cooling capacity receiving device 17, and the cooling capacity receiving device 17 is used to receive the cooling capacity generated by the cooling assembly 10B for indoor cooling.

In this embodiment, the heat exchanger 15 is also used to transfer heat from the heating assembly 10A and the data center 13 to the indoor device 19.

In this embodiment, the cooling capacity receiving device 17 is a blower or an air-conditioning box, but it is not limited to a blower or an air-conditioning box.

In this embodiment, the heating component 10A is preferably a heat pump 101; the refrigeration component 10B is preferably a chiller. In this embodiment, the chiller is preferably a water-cooled chiller.

With further reference to FIG. 1, the boiler 14 is in communication with the indoor device 18 to be heated, the data center 13 and the cooling and heating device 10. The boiler 14 is used to receive the heat transferred from the heating component 10A of the refrigeration and heating device 10 and recover the low-temperature waste heat generated by the data center 13, and heat the obtained heat into high-temperature heat, and then transfer the high-temperature heat The device 18 that needs to be heated in the room is heated, and the heat is transferred to the room after being heated, so as to maintain a comfortable temperature environment in the room.

In this embodiment, the device 18 that needs to be heated indoors can be a reheater or a floor, but is not limited to a reheater and a floor. In the embodiment of the present invention, the reheater may be an air-conditioning box reheater or a blower reheater. The air-conditioning box reheater or the blower reheater is used to receive the high-temperature heat of the boiler 14 and transfer the received heat to the cold air outlet of the air-conditioning box or the blower, so that the cold air outlet Partial heating, to avoid the problem of indoor low temperature condensation, in order to maintain a comfortable indoor temperature environment.

In this embodiment, in addition to consuming electric energy, gas energy or kerosene and other heating energy for heating, the boiler 14 obtains high-temperature heat and transmits the heat to the indoor devices 18 that need to be heated. The boiler 14 also receives The heating component 10A of the refrigeration and heating device 10 transmits heat and recovers the low-temperature waste heat of the data center 13 as preheating before the boiler 14 is heated, so as to reduce the energy required in the heating process of the boiler 14, such as electricity. Heating energy such as measurement, natural gas, kerosene, etc., to achieve energy-saving effects. The low-temperature waste heat recycling and reuse of the data center 13 is reduced This solves the environmental pollution caused by waste heat discharge, so that the refrigeration and heating energy-saving system 100 is energy-saving and environmentally friendly.

1, the heat exchanger 15 is in communication with the data center 13, the circulation pump 16 and the indoor device 19; the circulation pump 16 is in communication with the outdoor cold source 12. The low-temperature waste heat generated during the operation of the data center 13 will not only be recycled and reused by the boiler 14 and the heat exchanger 15 but also cause the temperature of the working environment of the data center 13 to rise. High, the excess low-temperature waste heat of the data center 13 is transferred to the outdoor cold source 12 by the circulating pump 16, and the outdoor cold source 12 is used to assist heat dissipation, reducing the air conditioning system of the data center 13 to maintain comfort Power consumption of the working environment.

In this embodiment, the circulating pump 16 is also used to transmit the outdoor cold source 12 to the heat exchanger 15, and the heat exchanger 15 then transmits the cold source to the indoor device 19, using all The outdoor cold source 12 performs indoor cooling, and the outdoor cooling source 12 performs the cooling to effectively reduce the power consumption of the cooling and heating device 10 during the cooling process, and achieve the system energy saving effect.

In this embodiment, the indoor device 19 is a chilled beam or blower, but is not limited to a chilled beam or blower.

In this embodiment, the boiler 14 is preferably a heat recovery hot water boiler.

In this embodiment, the heat exchanger 15 is a plate heat exchanger.

In this embodiment, the outdoor heat source 11 may be an underground heat source.

In this embodiment, the outdoor cold source 12 may be an outdoor pond.

The embodiment of the present invention also provides a method for applying the cooling and heating energy-saving system for energy saving, including: outputting the heat generated during the operation of the data center 13 to the boiler 14 and the heat exchanger 15 for recycling ； The circulation pump 16 collects the outdoor cold source 12 and transmits it to the heat exchanger 15, and the heat exchanger 15 transmits the outdoor cold source 12 to the indoor device 19 for indoor cooling; The heat generated during the operation of the data center 13 is transferred to the outdoor cold source 12 by the circulating pump 16, and the outdoor cold source 12 is used for heat dissipation.

The refrigeration and heating energy-saving system 100 uses the refrigeration and heating device 10 and the boiler 14 to perform indoor cooling and heating requirements; at the same time, the waste heat generated during the operation of the data center 13 is recycled and reused; , The outdoor heat source 11 is used to supplement indoor heat and the outdoor cold source 12 is used for heat dissipation and cooling. The cooling and heating energy-saving system 100 collects the low-temperature waste heat of the data center 13 for recycling, and uses the outdoor cold source 12 for auxiliary heat dissipation, thereby reducing the energy consumption for cooling and heating in order to maintain a comfortable environment , The system is energy-saving and environmentally friendly.

For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be Modifications or equivalent replacements are made without departing from the scope of the technical proposal of the present invention.

100: Cooling and heating energy-saving system

10: Cooling and heating device

10A: Heating components

10B: Refrigeration components

11: Outdoor heat source

12: Outdoor cold source

13: Data Center

14: Boiler

15: Heat exchanger

16: circulation pump

17: Cold receiving device

18: Devices that need to be heated indoors

19: Indoor devices

Claims (9)

A refrigeration and heating energy-saving system that connects an outdoor cold source and an outdoor heat source. The improvement is that the refrigeration and heating energy-saving system includes: a refrigeration and heating device for indoor cooling and heating; a data center, It will generate heat when it starts working; a boiler, the boiler is connected to the cooling and heating device and the data center, and the boiler is used to collect the heat generated by the data center and the heat from the cooling and heating device And heat the obtained heat into high-temperature heat, and then transmit the high-temperature heat to the devices that need to be heated indoors; a heat exchanger, the heat exchanger is connected to the refrigeration and heating device and the data center, and the heat exchanger is used To receive the heat generated from the refrigeration and heating device and the data center; and a circulating pump that communicates with the data center, the outdoor cold source and the heat exchanger, and the circulating pump is used for In order to receive the heat generated by the data center and transfer the heat to the outdoor cold source for heat dissipation, the circulating pump is also used to obtain the cold source from the outdoor cold source and transmit it to the heat exchanger, and then by The heat exchanger transmits the cold source to the indoor device. The refrigeration and heating energy-saving system according to claim 1, wherein the refrigeration and heating device includes a heating component and a refrigeration component; the boiler and the heat exchanger are used to receive the heat generated by the heating component; The cold energy generated by the refrigeration component is used to transmit the cold energy to the cold energy receiving device. The cooling and heating energy-saving system according to claim 1, wherein the heat exchanger is further used to transfer heat from the cooling and heating device and the data center to indoor devices. The cooling and heating energy-saving system according to claim 3, wherein the indoor device is a cold beam or a blower. The cooling and heating energy-saving system according to claim 2, wherein the heating component is a heat pump. The cooling and heating energy-saving system according to claim 5, wherein the cooling component is a chiller. The cooling and heating energy-saving system according to claim 6, wherein the chiller is a water-cooled chiller. The cooling and heating energy-saving system according to claim 1, wherein the cooling and heating device is connected to the outdoor heat source to supplement indoor heat. An energy-saving method for the refrigeration and heating energy-saving system of any one of application claims 1 to 8, comprising: outputting the heat generated during the operation of the data center to the boiler and the heat exchanger for recycling And the outdoor cold source is collected by the circulating pump and transmitted to the heat exchanger, and the heat exchanger then transmits the outdoor cold source to the indoor device for indoor cooling; the data center working process The heat generated in the heat sink is transferred to the outdoor cold source by the circulating pump, and the outdoor cold source is used to dissipate heat.

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