CN209068588U - Data center waste heat recovery system - Google Patents
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- CN209068588U CN209068588U CN201821672834.7U CN201821672834U CN209068588U CN 209068588 U CN209068588 U CN 209068588U CN 201821672834 U CN201821672834 U CN 201821672834U CN 209068588 U CN209068588 U CN 209068588U
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- 239000002918 waste heat Substances 0.000 title claims abstract description 65
- 238000011084 recovery Methods 0.000 title claims abstract description 41
- 238000010438 heat treatment Methods 0.000 claims abstract description 92
- 238000004378 air conditioning Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 239000003507 refrigerant Substances 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 22
- 239000000498 cooling water Substances 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 20
- 238000009434 installation Methods 0.000 abstract description 5
- 238000009423 ventilation Methods 0.000 abstract description 2
- 230000005494 condensation Effects 0.000 description 9
- 238000009833 condensation Methods 0.000 description 9
- 239000012530 fluid Substances 0.000 description 9
- 238000005057 refrigeration Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000008236 heating water Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
本实用新型涉及暖通空调领域，公开了一种数据中心废热回收***，包括：蒸发器、第一换热器、第二换热器和供热末端；第一换热器和第二换热器分别包括内管通道和套设在内管通道外侧的环形通道，在环形通道的外侧设置有风机；蒸发器设置在机房内部，蒸发器与第一换热器的环形通道连通形成回路，第一换热器的内管通道与第二换热器的环形通道连通形成回路，第二换热器的内管通道与供热末端连通形成回路。本实用新型提供的一种数据中心废热回收***，通过在第一换热器和第二换热器中配置风机，当回收的废热量大于周边建筑所需的供暖量时，开启风机可将多余的废热排放至环境中，可避免设置冷却塔等装置，减少设备占地面积，节约***初投资。
The utility model relates to the field of heating, ventilation and air conditioning, and discloses a waste heat recovery system for a data center, comprising: an evaporator, a first heat exchanger, a second heat exchanger and a heating end; a first heat exchanger and a second heat exchange The evaporators respectively include an inner tube channel and an annular channel sleeved outside the inner tube channel, and a fan is arranged on the outer side of the annular channel; the evaporator is arranged inside the machine room, and the evaporator communicates with the annular channel of the first heat exchanger to form a loop. The inner tube channel of the first heat exchanger communicates with the annular channel of the second heat exchanger to form a loop, and the inner tube channel of the second heat exchanger communicates with the heating end to form a loop. The utility model provides a waste heat recovery system for a data center. By arranging fans in the first heat exchanger and the second heat exchanger, when the recovered waste heat is greater than the heating capacity required by the surrounding buildings, the fan can be turned on to remove the excess heat. The waste heat is discharged to the environment, which can avoid the installation of cooling towers and other devices, reduce the area of the equipment, and save the initial investment of the system.
Description
技术领域technical field
本实用新型涉及暖通空调领域，特别是涉及一种数据中心废热回收***。The utility model relates to the field of heating, ventilation and air conditioning, in particular to a waste heat recovery system of a data center.
背景技术Background technique
随着我国大数据、云计算等互联网技术的飞速发展，数据中心的数量也迅速增加，其耗电量已占总社会耗电量的1.5％，并保持快速增长势头。与此同时，我国北方地区正大力推广清洁供暖技术和设备，数据中心常年需要向外散热，是一个稳定的热源。目前，数据中心机房内使用的空调主要形式之一为空气源热泵制冷。数据中心的废热通过空气源热泵的冷凝器端被排放至周围环境，得不到有效利用。并且空气源热泵的性能受室外环境温度影响较大，结霜和除霜都会降低舒适性、增加能耗。With the rapid development of Internet technologies such as big data and cloud computing in my country, the number of data centers has also increased rapidly, and its power consumption has accounted for 1.5% of the total social power consumption, and maintains a rapid growth momentum. At the same time, the northern region of my country is vigorously promoting clean heating technology and equipment. The data center needs to dissipate heat all year round and is a stable heat source. At present, one of the main forms of air conditioners used in data center rooms is air source heat pump cooling. The waste heat of the data center is discharged to the surrounding environment through the condenser end of the air source heat pump and cannot be effectively utilized. In addition, the performance of the air source heat pump is greatly affected by the outdoor ambient temperature. Frosting and defrosting will reduce comfort and increase energy consumption.
为了回收数据中心的废热用以供暖，目前已有采用水冷机组，并利用水-水热泵机组加热供暖热水的废热回收方案。该方案对节能减排、节约水资源和缓解城市热岛效应具有显著的效果。In order to recover the waste heat of the data center for heating, there has been a waste heat recovery scheme that uses a water-cooling unit and a water-water heat pump unit to heat the heating and hot water. The scheme has significant effects on energy conservation and emission reduction, water conservation and mitigation of urban heat island effect.
但现有的数据中心废热回收方案中水冷型机房专用机大多利用冷却塔排出多余的冷凝热，然而冷却塔的安装需要较大的占地面积，且增加了***的初投资。However, in the existing data center waste heat recovery solutions, most of the water-cooled computer room dedicated machines use cooling towers to discharge excess condensation heat. However, the installation of cooling towers requires a large area and increases the initial investment of the system.
实用新型内容Utility model content
(一)要解决的技术问题(1) Technical problems to be solved
本实用新型的目的是提供一种数据中心废热回收***，用于解决或部分解决现有的数据中心废热回收方案中水冷型机房专用机大多利用冷却塔排出多余的冷凝热，冷却塔的安装需要较大的占地面积，且增加了***初投资的问题。The purpose of this utility model is to provide a waste heat recovery system for a data center, which is used to solve or partially solve the problem that most of the water-cooled machine room special machines in the existing data center waste heat recovery scheme use cooling towers to discharge excess condensation heat, and the installation of cooling towers requires Larger floor area, and increase the initial investment of the system.
(二)技术方案(2) Technical solutions
为了解决上述技术问题，本实用新型提供一种数据中心废热回收***，包括：蒸发器、第一换热器、第二换热器和供热末端；所述第一换热器和所述第二换热器分别包括内管通道和套设在所述内管通道外侧的环形通道，在环形通道外侧设置有风机；所述蒸发器设置在机房内部，所述蒸发器与所述第一换热器的环形通道连通形成回路，所述第一换热器的内管通道与所述第二换热器的环形通道连通形成回路，所述第二换热器的内管通道与所述供热末端连通形成回路。In order to solve the above technical problems, the present invention provides a waste heat recovery system for a data center, comprising: an evaporator, a first heat exchanger, a second heat exchanger and a heating end; the first heat exchanger and the first heat exchanger The second heat exchangers respectively include an inner tube channel and an annular channel sleeved on the outside of the inner tube channel, and a fan is arranged outside the annular channel; the evaporator is arranged inside the machine room, and the evaporator is connected to the first heat exchanger The annular channel of the heat exchanger communicates to form a loop, the inner tube channel of the first heat exchanger communicates with the annular channel of the second heat exchanger to form a loop, and the inner tube channel of the second heat exchanger communicates with the supply. The hot ends communicate to form a loop.
在上述方案的基础上，在所述第一换热器和所述第二换热器的环形通道外侧壁上分别设置有翅片。On the basis of the above solution, fins are respectively provided on the outer side walls of the annular passages of the first heat exchanger and the second heat exchanger.
在上述方案的基础上，在所述蒸发器处设置风机。On the basis of the above solution, a fan is provided at the evaporator.
在上述方案的基础上，在所述第一换热器的内管通道出口与所述第二换热器的环形通道入口之间串联设置压缩机；在所述第二换热器的环形通道出口与所述第一换热器的内管通道入口之间串联设置节流器。On the basis of the above solution, a compressor is arranged in series between the outlet of the inner tube passage of the first heat exchanger and the inlet of the annular passage of the second heat exchanger; the annular passage of the second heat exchanger is arranged in series; A restrictor is arranged in series between the outlet and the inlet of the inner tube channel of the first heat exchanger.
在上述方案的基础上，在所述第二换热器的内管通道出口与所述供热末端入口之间串联设置第一阀门和泵；在所述供热末端出口与所述第二换热器的内管通道入口之间串联设置第二阀门。On the basis of the above solution, a first valve and a pump are arranged in series between the outlet of the inner tube channel of the second heat exchanger and the inlet of the heat supply end; the outlet of the heat supply end is connected with the second heat exchanger. A second valve is arranged in series between the inlets of the inner tube passages of the heater.
在上述方案的基础上，在所述第二换热器的内管通道与所述供热末端形成的回路上串联设置储液器，所述储液器顶端连接设置空气分离器和定压装置。On the basis of the above solution, a liquid accumulator is arranged in series on the circuit formed by the inner tube channel of the second heat exchanger and the heating end, and the top of the liquid accumulator is connected with an air separator and a constant pressure device. .
在上述方案的基础上，所述蒸发器包括：热管蒸发器。On the basis of the above solution, the evaporator includes: a heat pipe evaporator.
在上述方案的基础上，所述供热末端包括：暖气片辐射采暖换热器、风机盘管、空调箱和热管换热器以及冷凝末端的至少一种。On the basis of the above solution, the heating end includes at least one of a radiant heating heat exchanger, a fan coil, an air conditioning box, a heat pipe heat exchanger, and a condensing end.
在上述方案的基础上，在所述第二换热器的内管通道出口与所述供热末端入口之间设置分水器；在所述供热末端出口与所述第二换热器的内管通道入口之间设置集水器。On the basis of the above solution, a water separator is arranged between the outlet of the inner tube channel of the second heat exchanger and the inlet of the heating end; between the outlet of the heating end and the second heat exchanger A water collector is arranged between the inlets of the inner pipe channel.
在上述方案的基础上，所述第二换热器内管通道内部介质包括：冷却水或制冷剂。On the basis of the above solution, the internal medium of the inner tube channel of the second heat exchanger includes: cooling water or refrigerant.
(三)有益效果(3) Beneficial effects
本实用新型提供的一种数据中心废热回收***，通过设置第一换热器和第二换热器为三介质换热器，在第一换热器和第二换热器中配置风机，当回收的废热量大于周边建筑所需的供暖量时，开启风机可将多余的废热排放至环境中，可避免设置冷却塔等装置，减少了***设备的占地面积，节约了***的初投资。The utility model provides a waste heat recovery system for a data center. By setting the first heat exchanger and the second heat exchanger as three-medium heat exchangers, a fan is arranged in the first heat exchanger and the second heat exchanger. When the recovered waste heat is greater than the heating capacity required by the surrounding buildings, turning on the fan can discharge the excess waste heat to the environment, avoiding the installation of cooling towers and other devices, reducing the area of the system equipment and saving the initial investment of the system.
附图说明Description of drawings
图1为本实用新型实施例的一种数据中心废热回收***的示意图；1 is a schematic diagram of a data center waste heat recovery system according to an embodiment of the present invention;
图2为本实用新型实施例的一种数据中心废热回收***实施例一的示意图；2 is a schematic diagram of Embodiment 1 of a waste heat recovery system for a data center according to an embodiment of the present invention;
图3为本实用新型实施例的一种数据中心废热回收***实施例二的示意图；3 is a schematic diagram of Embodiment 2 of a waste heat recovery system for a data center according to an embodiment of the present invention;
图4为本实用新型实施例的一种数据中心废热回收***实施例三的示意图；4 is a schematic diagram of Embodiment 3 of a waste heat recovery system for a data center according to an embodiment of the present invention;
图5为本实用新型实施例的一种数据中心废热回收***实施例四的示意图。5 is a schematic diagram of Embodiment 4 of a waste heat recovery system for a data center according to an embodiment of the present invention.
附图标记说明：Description of reference numbers:
1—储液器； 2—空气分离器； 3—定压装置；1—Liquid reservoir; 2—Air separator; 3—Constant pressure device;
4—供热末端； 5—第二换热器； 6—第一换热器；4—Heating end; 5—Second heat exchanger; 6—First heat exchanger;
7—节流器； 8—压缩机； 9—泵；7—restrictor; 8—compressor; 9—pump;
10—蒸发器； 11—第一阀门； 12—第二阀门；10—evaporator; 11—first valve; 12—second valve;
13—机房； 14—周围建筑； 15—集水器；13—machine room; 14—surrounding buildings; 15—water collector;
16—分水器； 17—其他建筑。16—Water separator; 17—Other buildings.
具体实施方式Detailed ways
下面结合附图和实施例，对本实用新型的具体实施方式作进一步详细描述。以下实例用于说明本实用新型，但不用来限制本实用新型的范围。The specific embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
在本实用新型的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本实用新型中的具体含义。In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.
本实施例根据本实用新型提供一种数据中心废热回收***，参考图1，该***包括：蒸发器10、第一换热器6、第二换热器5和供热末端4；第一换热器6和第二换热器5分别包括内管通道和套设在内管通道外侧的环形通道，在环形通道外侧设置有风机；蒸发器10设置在机房13内部，蒸发器10与第一换热器6的环形通道连通形成回路，第一换热器6的内管通道与第二换热器5的环形通道连通形成回路，第二换热器5的内管通道与供热末端4连通形成回路。This embodiment provides a waste heat recovery system for a data center according to the present invention. Referring to FIG. 1, the system includes: an evaporator 10, a first heat exchanger 6, a second heat exchanger 5 and a heat supply terminal 4; a first heat exchanger The heat exchanger 6 and the second heat exchanger 5 respectively include an inner tube channel and an annular channel sleeved outside the inner tube channel, and a fan is arranged outside the annular channel; the evaporator 10 is arranged inside the machine room 13, and the evaporator 10 is connected to the first The annular channel of the heat exchanger 6 is connected to form a loop, the inner tube channel of the first heat exchanger 6 is communicated with the annular channel of the second heat exchanger 5 to form a loop, and the inner tube channel of the second heat exchanger 5 is connected to the heating end 4 Connected to form a loop.
本实施例提供的一种数据中心废热回收***，主要包括三个回路：蒸发器10与第一换热器6相连形成的对机房13的吸热冷却回路，第一换热器6与第二换热器5相连形成的将蒸发器10内部介质的热量传递给第二换热器5内部介质的回路，以及第二换热器5与供热末端4相连形成的供暖回路。A waste heat recovery system for a data center provided in this embodiment mainly includes three circuits: an endothermic cooling circuit for the machine room 13 formed by connecting the evaporator 10 and the first heat exchanger 6, the first heat exchanger 6 and the second heat exchanger 6 The heat exchanger 5 is connected to form a circuit for transferring the heat of the internal medium of the evaporator 10 to the internal medium of the second heat exchanger 5 , and the heating circuit formed by connecting the second heat exchanger 5 to the heat supply terminal 4 .
该废热回收***回收数据中心的废热用于周围建筑14供暖的具体过程为：在机房13内设置蒸发器10，可快速有效吸收机房13内的热量。蒸发器10内的介质流至第一换热器6的环形通道中，与第一换热器6内管通道中的介质换热降温之后流回蒸发器10中。第一换热器6内管通道中的介质吸热后流至第二换热器5的环形通道，与第二换热器5内管通道中的介质换热降温，之后流回第一换热器6中。第二换热器5内管通道中的介质吸热升温流至供热末端4进行供暖，之后流回第二换热器5中。The specific process of recovering the waste heat of the data center for heating the surrounding buildings 14 by the waste heat recovery system is as follows: the evaporator 10 is arranged in the computer room 13 , which can quickly and effectively absorb the heat in the computer room 13 . The medium in the evaporator 10 flows into the annular channel of the first heat exchanger 6 , exchanges heat with the medium in the inner tube channel of the first heat exchanger 6 to cool down, and then flows back to the evaporator 10 . The medium in the inner tube channel of the first heat exchanger 6 absorbs heat and flows to the annular channel of the second heat exchanger 5, exchanges heat with the medium in the inner tube channel of the second heat exchanger 5 to cool down, and then flows back to the first heat exchanger. Heater 6. The medium in the inner tube channel of the second heat exchanger 5 absorbs heat and warms up and flows to the heating end 4 for heating, and then flows back to the second heat exchanger 5 .
第一换热器6和第二换热器5分别主要包括内管通道和环形通道。在第一换热器6和第二换热器5外部分别设置风机。使得第一换热器6和第二换热器5分别形成三介质换热器。三种换热的介质分别为内管通道内部的介质、环形通道内部的介质以及环形通道外部由风机引入的空气。The first heat exchanger 6 and the second heat exchanger 5 mainly include an inner tube channel and an annular channel, respectively. Fans are respectively provided outside the first heat exchanger 6 and the second heat exchanger 5 . The first heat exchanger 6 and the second heat exchanger 5 respectively form a three-medium heat exchanger. The three heat exchange mediums are the medium inside the inner tube channel, the medium inside the annular channel, and the air introduced by the fan outside the annular channel.
通过设置风机，在环形通道的外侧引入空气，可实现第一换热器6和第二换热器5与外界的换热，可直接实现第一换热器6和第二换热器5向外界的散热。设置第一换热器6和第二换热器5分别为三介质换热器，可灵活选择相互换热的介质，以实现该废热回收***的不同功能，使该回收***的使用更加灵活。By arranging a fan and introducing air to the outside of the annular channel, the heat exchange between the first heat exchanger 6 and the second heat exchanger 5 and the outside can be realized, and the direction of the first heat exchanger 6 and the second heat exchanger 5 can be directly realized. External heat dissipation. The first heat exchanger 6 and the second heat exchanger 5 are set as three-medium heat exchangers respectively, and the medium for mutual heat exchange can be flexibly selected to realize different functions of the waste heat recovery system and make the use of the recovery system more flexible.
在供热末端4所需热量较少或者不需要供热时，可启动第一换热器6和第二换热器5中的风机，且通过调节风机运行的功率大小来调节第一换热器6和第二换热器5中向外界散发热量的大小，使得供热末端4的热量满足使用要求，且多余的热量可顺利排至外界。When the heat supply terminal 4 needs less heat or does not need to supply heat, the fans in the first heat exchanger 6 and the second heat exchanger 5 can be started, and the first heat exchange can be adjusted by adjusting the power of the fans. The size of the heat dissipated to the outside in the heat exchanger 6 and the second heat exchanger 5 makes the heat of the heating end 4 meet the requirements of use, and the excess heat can be smoothly discharged to the outside.
本实施例提供的一种数据中心废热回收***，通过设置第一换热器6和第二换热器5为三介质换热器，在第一换热器6和第二换热器5中配置风机，当回收的废热量大于周围建筑14所需的供暖量时，开启风机可将多余的废热排放至环境中，避免了设置现有方案中的冷却塔等装置，减少了***设备的占地面积，节约了***的初投资。In the waste heat recovery system for a data center provided in this embodiment, by setting the first heat exchanger 6 and the second heat exchanger 5 as three-medium heat exchangers, in the first heat exchanger 6 and the second heat exchanger 5 Equipped with a fan, when the recovered waste heat is greater than the heating capacity required by the surrounding buildings 14, the fan can be turned on to discharge the excess waste heat into the environment, avoiding the installation of cooling towers and other devices in the existing scheme, and reducing the occupation of system equipment. Land area, saving the initial investment of the system.
另外，供暖回路中的介质通过第二换热器5吸收热量，即可制备得到供暖用的热流体，减少了现有技术中的水-水源热泵机组，提高了换热效率，减少***投资。In addition, the medium in the heating circuit absorbs heat through the second heat exchanger 5, and the hot fluid for heating can be prepared, which reduces the water-water source heat pump unit in the prior art, improves the heat exchange efficiency, and reduces the system investment.
该数据中心废热回收***，在供暖期内不仅满足了数据中心的供冷需求，并且高效便捷地回收了数据中心机房13制冷***的冷凝废热，将其利用于周边建筑供热。与现有技术相比，该废热回收***不但能够减少周边建筑的供热能耗，而且减少了废热回收***的初投资，适用于周边有冬季供暖需求建筑的数据中心机房13，可以显著节约供暖能耗，带来良好的经济效益。The data center waste heat recovery system not only meets the cooling demand of the data center during the heating period, but also efficiently and conveniently recovers the condensation waste heat of the cooling system in the data center room 13, and uses it to heat the surrounding buildings. Compared with the prior art, the waste heat recovery system can not only reduce the heating energy consumption of the surrounding buildings, but also reduce the initial investment of the waste heat recovery system. It is suitable for the data center room 13 of the surrounding buildings with heating demand in winter, and can significantly save heating. energy consumption and bring good economic benefits.
在上述实施例的基础上，进一步地，在第一换热器6和第二换热器5的环形通道外侧壁上分别设置有翅片。在环形通道的外侧壁上设置翅片，可提高环形通道内介质与外界换热的效率，可加速第一换热器6和第二换热器5向外界散发热量，提高***向外界排放废热的效率。On the basis of the above embodiment, further, fins are provided on the outer side walls of the annular passages of the first heat exchanger 6 and the second heat exchanger 5, respectively. Fins are arranged on the outer side wall of the annular channel, which can improve the heat exchange efficiency between the medium in the annular channel and the outside world, accelerate the heat dissipation of the first heat exchanger 6 and the second heat exchanger 5 to the outside, and improve the system to discharge waste heat to the outside world. s efficiency.
在上述实施例的基础上，进一步地，在蒸发器10处设置风机。可进一步加速蒸发器10吸收机房13内的热量，提高蒸发器10在机房13内的吸热效率，提高数据中心机房13的制冷效率。On the basis of the above embodiment, a fan is further provided at the evaporator 10 . It can further accelerate the evaporator 10 to absorb the heat in the computer room 13 , improve the heat absorption efficiency of the evaporator 10 in the computer room 13 , and improve the cooling efficiency of the data center computer room 13 .
在上述实施例的基础上，进一步地，在第一换热器6的内管通道出口与第二换热器5的环形通道入口之间串联设置压缩机8；在第二换热器5的环形通道出口与第一换热器6的内管通道入口之间串联设置节流器7。On the basis of the above embodiment, further, a compressor 8 is arranged in series between the outlet of the inner tube channel of the first heat exchanger 6 and the inlet of the annular channel of the second heat exchanger 5; A restrictor 7 is arranged in series between the outlet of the annular channel and the inlet of the inner tube channel of the first heat exchanger 6 .
第一换热器6的内管通道、压缩机8、第二换热器5的环形通道和节流器7串联设置，形成蒸汽压缩制冷回路，即热泵回路。蒸发器10内介质降温至所需温度且将热量传递至供暖回路中的介质中，使得供暖回路中介质升温至所需温度。The inner tube channel of the first heat exchanger 6, the compressor 8, the annular channel of the second heat exchanger 5 and the restrictor 7 are arranged in series to form a vapor compression refrigeration circuit, that is, a heat pump circuit. The medium in the evaporator 10 is cooled to a desired temperature and the heat is transferred to the medium in the heating circuit, so that the medium in the heating circuit is heated to the desired temperature.
在热泵回路中，第一换热器6作为蒸发端，第二换热器5作为冷凝端。In the heat pump circuit, the first heat exchanger 6 serves as the evaporating end, and the second heat exchanger 5 serves as the condensing end.
在上述实施例的基础上，进一步地，在第二换热器5的内管通道出口与供热末端4入口之间串联设置第一阀门11和泵9；在供热末端4出口与第二换热器5的内管通道入口之间串联设置第二阀门12。On the basis of the above embodiment, further, a first valve 11 and a pump 9 are arranged in series between the outlet of the inner tube channel of the second heat exchanger 5 and the inlet of the heating end 4; A second valve 12 is arranged in series between the inlets of the inner tube passages of the heat exchanger 5 .
设置第一阀门11和第二阀门12可控制供暖回路中的介质在第二换热器5和供热末端4之间的流动。泵9用于驱动供暖回路中介质的流动。在需要供暖时，可打开第一阀门11和第二阀门12，启动泵9，使得高温介质流至供热末端4进行供暖；在不需要供暖时，可关闭第一阀门11和第二阀门12。The provision of the first valve 11 and the second valve 12 can control the flow of the medium in the heating circuit between the second heat exchanger 5 and the heating terminal 4 . The pump 9 is used to drive the flow of the medium in the heating circuit. When heating is required, the first valve 11 and the second valve 12 can be opened, and the pump 9 can be activated, so that the high-temperature medium flows to the heating end 4 for heating; when heating is not required, the first valve 11 and the second valve 12 can be closed. .
进一步地，第一阀门11、第二阀门12可为电动调节阀或电磁阀，或采用两个流量调节阀为一体的电动三通阀或电磁三通阀。Further, the first valve 11 and the second valve 12 may be an electric regulating valve or an electromagnetic valve, or an electric three-way valve or an electromagnetic three-way valve integrating two flow regulating valves.
进一步地，设置控制器分别与第一阀门11、第二阀门12、泵9以及压缩机8相连，用于对供暖回路以及热泵回路的运行进行智能控制调节。Further, a controller is arranged to be connected with the first valve 11, the second valve 12, the pump 9 and the compressor 8 respectively, for intelligently controlling and adjusting the operation of the heating circuit and the heat pump circuit.
在上述实施例的基础上，进一步地，在第二换热器5的内管通道与供热末端4形成的回路上串联设置储液器1，储液器1顶端连接设置空气分离器2和定压装置3。On the basis of the above embodiment, further, a liquid accumulator 1 is arranged in series on the circuit formed by the inner tube channel of the second heat exchanger 5 and the heating end 4, and the top of the liquid accumulator 1 is connected with an air separator 2 and a Constant pressure device 3.
在上述实施例的基础上，进一步地，第二换热器5的内管通道内部介质包括：冷却水或制冷剂。即供暖回路中的介质，第二换热器5内管通道中的介质可为冷却水或者制冷剂。On the basis of the above embodiment, further, the internal medium of the inner tube channel of the second heat exchanger 5 includes: cooling water or refrigerant. That is, the medium in the heating circuit, and the medium in the inner tube channel of the second heat exchanger 5 may be cooling water or refrigerant.
储液器1可为蓄热水箱或者储液罐。当供暖回路中的介质为水时，在供暖回路上串联设置蓄热水箱，存储多余的热水以供灵活调节。可以改善***性能，在一天或更长的时间内，实现回收冷凝废热和供暖房间所需热量之间的平衡，减少压缩机8的启停次数，可提高***稳定性。The accumulator 1 may be a hot water storage tank or a liquid storage tank. When the medium in the heating circuit is water, a hot water storage tank is arranged in series on the heating circuit to store excess hot water for flexible adjustment. The performance of the system can be improved, and the balance between the waste heat recovered from condensation and the heat required for heating the room can be achieved within a day or longer, the number of times of starting and stopping the compressor 8 can be reduced, and the stability of the system can be improved.
当供暖回路的介质为制冷剂时，在供暖回路上串联设置储液罐，用于收集制冷剂液体。当制冷剂气体在供热末端4放热后，会从气体状态冷凝为液体状态。需要储液罐将冷凝后的制冷剂收集起来，再通过第二换热器5吸收热量变为气体。设置储液罐可以改善***性能，储存多余的冷凝液，避免冷凝液在冷凝器中积存过多而使传热面积变小，影响传热效果。When the medium of the heating circuit is refrigerant, a liquid storage tank is arranged in series on the heating circuit to collect the refrigerant liquid. When the refrigerant gas releases heat at the heating end 4, it will condense from a gaseous state to a liquid state. A liquid storage tank is required to collect the condensed refrigerant, and then through the second heat exchanger 5 to absorb heat and turn it into a gas. Setting a liquid storage tank can improve the performance of the system, store excess condensate, and avoid excessive accumulation of condensate in the condenser, which will reduce the heat transfer area and affect the heat transfer effect.
进一步地，蓄热水箱可设置在第一阀门11与供热末端4的入口之间。储液罐可设置在供热末端4的出口和第二阀门12之间。Further, a hot water storage tank may be provided between the first valve 11 and the inlet of the heating terminal 4 . A liquid storage tank may be provided between the outlet of the heating end 4 and the second valve 12 .
在上述实施例的基础上，进一步地，蒸发器10包括：热管蒸发器。On the basis of the above embodiment, the evaporator 10 further includes: a heat pipe evaporator.
采用热管蒸发器可提高吸热效率，实现数据中心机房13的快速降温。蒸发器10内的介质可为适宜用于热管的介质。Using the heat pipe evaporator can improve the heat absorption efficiency and realize the rapid cooling of the computer room 13 of the data center. The medium in the evaporator 10 may be a medium suitable for use in heat pipes.
进一步地，热泵回路中的介质，即第一换热器6内管通道以及第二换热器5环形通道中的介质可为制冷剂。Further, the medium in the heat pump circuit, that is, the medium in the inner tube channel of the first heat exchanger 6 and the annular channel of the second heat exchanger 5 may be a refrigerant.
在上述实施例的基础上，进一步地，供热末端4包括：暖气片辐射采暖换热器、风机盘管、空调箱和热管换热器与冷凝末端的至少一种。On the basis of the above embodiment, further, the heating end 4 includes at least one of a radiant heating heat exchanger, a fan coil, an air conditioning box, a heat pipe heat exchanger and a condensing end.
在上述实施例的基础上，进一步地，参考图2，在第二换热器5的内管通道出口与供热末端4入口之间设置分水器16；在供热末端4出口与第二换热器5的内管通道入口之间设置集水器15。On the basis of the above embodiment, further, referring to FIG. 2 , a water separator 16 is arranged between the outlet of the inner tube channel of the second heat exchanger 5 and the inlet of the heating end 4; A water collector 15 is arranged between the inlets of the inner tube passages of the heat exchanger 5 .
在供热末端4的入口之前设置分水器16，储液器1中的采暖用水，可通过分水器16被分配到不同的周围建筑14或者其他建筑17中，最终在周边建筑的供热末端4进行供暖。供暖回水通过集水器15被收集起来，再流回第二换热器5中吸热，产生高温供暖热水。A water separator 16 is arranged before the entrance of the heating end 4, and the heating water in the liquid storage tank 1 can be distributed to different surrounding buildings 14 or other buildings 17 through the water separator 16, and finally the heating of the surrounding buildings is provided. End 4 for heating. The heating return water is collected by the water collector 15, and then flows back to the second heat exchanger 5 to absorb heat to generate high-temperature heating hot water.
在上述实施例的基础上，进一步地，一种数据中心废热回收***包括第一换热器6、节流器7、第二换热器5、压缩机8、泵9、储液器1、空气分离器2、定压装置3以及供热末端4；机房13内蒸发器10与第一换热器6的环形通道相连；第一换热器6的内管通道和压缩机8、第二换热器5的环形通道、节流器7串联设置。第二换热器5的内管通道，通过第一阀门11和第二阀门12，与泵9、储液器1和供热末端4串联。On the basis of the above embodiment, further, a waste heat recovery system for a data center includes a first heat exchanger 6, a throttle 7, a second heat exchanger 5, a compressor 8, a pump 9, a liquid accumulator 1, The air separator 2, the constant pressure device 3 and the heating end 4; the evaporator 10 in the machine room 13 is connected to the annular channel of the first heat exchanger 6; the inner tube channel of the first heat exchanger 6 is connected to the compressor 8, the second The annular channel of the heat exchanger 5 and the restrictor 7 are arranged in series. The inner pipe channel of the second heat exchanger 5 is connected in series with the pump 9 , the liquid accumulator 1 and the heating end 4 through the first valve 11 and the second valve 12 .
工质在机房13内蒸发器10中吸收热量，在第一换热器6的环形通道内释放热量；冷却水或制冷剂在第二换热器5的内管通道吸收废热，制得热水或高温制冷剂，经过第一阀门11和泵9，进入储液器1，再进入供热末端4进行散热；降温后的热水或制冷剂经过第二阀门12返回第二换热器5的内管通道中。The working fluid absorbs heat in the evaporator 10 in the machine room 13 and releases heat in the annular channel of the first heat exchanger 6; the cooling water or refrigerant absorbs waste heat in the inner tube channel of the second heat exchanger 5 to produce hot water Or high-temperature refrigerant, passes through the first valve 11 and the pump 9, enters the accumulator 1, and then enters the heating terminal 4 for heat dissipation; the cooled hot water or refrigerant returns to the second heat exchanger 5 through the second valve 12. in the inner tube channel.
第一换热器6和第二换热器5分别为三介质换热器，在第一换热器6和第二换热器5的内部分别设置有风机，用于与外界交流散热。数据中心机房13内蒸发器10为热管蒸发器，且同样设置有风机。在储液器1上部设置有空气分离器2和定压装置3，可保证热水或者高温制冷机的换热效率以及提高***的稳定性。The first heat exchanger 6 and the second heat exchanger 5 are respectively three-medium heat exchangers, and fans are respectively provided inside the first heat exchanger 6 and the second heat exchanger 5 for communicating with the outside for heat dissipation. The evaporator 10 in the data center room 13 is a heat pipe evaporator, and is also provided with a fan. The upper part of the accumulator 1 is provided with an air separator 2 and a constant pressure device 3, which can ensure the heat exchange efficiency of the hot water or high temperature refrigerator and improve the stability of the system.
当周围建筑14需要供暖时，开启第一阀门11和第二阀门12，冷却水或制冷剂在第二换热器5的内管通道吸收废热，制得热水或高温制冷剂。根据周围建筑14所需的供热量和第二换热器5所提供的冷凝废热量，来选择不同的工作模式。When the surrounding building 14 needs to be heated, the first valve 11 and the second valve 12 are opened, and the cooling water or refrigerant absorbs waste heat in the inner pipe channel of the second heat exchanger 5 to produce hot water or high-temperature refrigerant. Different working modes are selected according to the heat supply required by the surrounding buildings 14 and the waste heat of condensation provided by the second heat exchanger 5 .
当周围建筑14所需的供热量约等于回收的冷凝废热量时，开启压缩机8和泵9，开启机房13内部蒸发器10的风机。制得的热水或高温制冷剂通过泵9进入储液器1后，再进入供热末端4进行散热。蓄热水箱的作用是改善***性能，在一天或更长的时间内，实现回收冷凝废热和周围建筑14所需热量之间的平衡，减少压缩机8的启停次数。When the heat supply required by the surrounding buildings 14 is approximately equal to the recovered condensation waste heat, the compressor 8 and the pump 9 are turned on, and the fan of the evaporator 10 in the machine room 13 is turned on. The prepared hot water or high-temperature refrigerant enters the accumulator 1 through the pump 9, and then enters the heating terminal 4 to dissipate heat. The function of the hot water storage tank is to improve the performance of the system, to achieve a balance between the recovered condensation waste heat and the heat required by the surrounding buildings 14, and to reduce the number of starts and stops of the compressor 8 within a day or longer.
当周围建筑14所需的供热量小于回收的冷凝废热量时，可暂时关闭压缩机8和泵9，暂时停止向供热末端4输送热量；同时开启机房13内部蒸发器10的风机和第一换热器6的风机，将机房13内的废热排放至周围环境中。若排热量不足以满足数据中心的散热需求，则再开启压缩机8，获得较低温度的蒸发器10工质，从而提高蒸发器10在机房内的吸热降温效率；且同时开启第二换热器5的风机，将热量散发至周围环境中。When the heat supply required by the surrounding buildings 14 is less than the recovered condensing waste heat, the compressor 8 and the pump 9 can be temporarily turned off, and the heat transfer to the heating terminal 4 can be temporarily stopped; A fan of the heat exchanger 6 discharges the waste heat in the machine room 13 to the surrounding environment. If the exhaust heat is not enough to meet the cooling requirements of the data center, the compressor 8 is turned on again to obtain a lower temperature working fluid of the evaporator 10, thereby improving the heat absorption and cooling efficiency of the evaporator 10 in the machine room; and at the same time, the second compressor is turned on. The fan of the heater 5 dissipates heat to the surrounding environment.
当周围建筑14不需要供暖时，关闭第一阀门11和第二阀门12，根据机房13设定温度和室外温度选择以下不同的工作模式：When the surrounding buildings 14 do not need heating, the first valve 11 and the second valve 12 are closed, and the following different working modes are selected according to the set temperature of the machine room 13 and the outdoor temperature:
当室外温度较高时运行制冷模式：启动压缩机8，启动第二换热器5的风机和机房13内蒸发器10的风机，机械制冷回路内的制冷工质在第一换热器6内从蒸发器10工质吸热；蒸发器10内工质在机房13内吸收排热蒸发后流入第一换热器6的环形通道，向机械制冷回路的制冷工质放热冷凝，冷凝后的冷凝液在重力作用下回流至蒸发器10，以便于继续蒸发。When the outdoor temperature is high, run the cooling mode: start the compressor 8, start the fan of the second heat exchanger 5 and the fan of the evaporator 10 in the machine room 13, and the refrigerant in the mechanical refrigeration circuit is in the first heat exchanger 6. Absorbs heat from the working fluid of the evaporator 10; the working fluid in the evaporator 10 absorbs the exhaust heat and evaporates in the machine room 13 and flows into the annular channel of the first heat exchanger 6, and releases heat and condenses to the refrigerating working fluid of the mechanical refrigeration circuit. The condensate is returned to the evaporator 10 by gravity for continued evaporation.
当在室外温度足够低时运行热管模式：关闭压缩机8，仅开启第一换热器6的风机和机房13内蒸发器10的风机，此时蒸发器10的工质在第一换热器6的环形通道内仅与室外空气通道中的冷空气进行换热冷凝，并在重力作用下回流。When the outdoor temperature is low enough, run the heat pipe mode: turn off the compressor 8, and only turn on the fan of the first heat exchanger 6 and the fan of the evaporator 10 in the machine room 13. At this time, the working fluid of the evaporator 10 is in the first heat exchanger. The annular channel of 6 only conducts heat exchange and condensation with the cold air in the outdoor air channel, and returns under the action of gravity.
在中间温度时运行双启模式：启动压缩机8，开启第一换热器6的风机、第二换热器5的风机和机房13内蒸发器10的风机，利用制冷工质和室外冷空气同时冷却蒸发器10工质，即回路热管制冷量的不足由机械制冷来补充。Run double-start mode at intermediate temperature: start the compressor 8, turn on the fan of the first heat exchanger 6, the fan of the second heat exchanger 5 and the fan of the evaporator 10 in the machine room 13, and use the refrigerant and outdoor cold air. At the same time, the working fluid of the evaporator 10 is cooled, that is, the insufficient cooling capacity of the loop heat pipe is supplemented by mechanical cooling.
该数据中心废热回收***设置的三介质第一换热器6和第二换热器5，可根据不同的需要来灵活选择换热模式，既可不启动风机，单纯使回路内工质间进行换热，也可单纯通过风机与周围环境进行换热，还可同时既通过回路间工质进行换热，又通过风机与周围环境换热，可适应多种需求以及不同的周围环境，提高***的灵活性和适用性。The three-medium first heat exchanger 6 and the second heat exchanger 5 set in the waste heat recovery system of the data center can flexibly select the heat exchange mode according to different needs. It is not necessary to start the fan, and simply exchange the working fluids in the loop. Heat can also be exchanged with the surrounding environment simply through the fan, or through the working medium between the loops and the surrounding environment through the fan at the same time. Flexibility and applicability.
下面结合不同的实施例进一步说明：Describe further below in conjunction with different embodiments:
实施例一，参考图2，采暖的回水在第二换热器5中吸收热量，产生55-60℃的采暖供水，再进入蓄热水箱中进行储存，蓄热水箱中的采暖用水，通过分水器16被分配到不同的周边建筑或者其他建筑17中，最终在周边建筑的供热末端4中进行供暖。供暖回水通过集水器15被收集起来，再经过第二换热器5吸热，产生高温供暖热水。供热末端4为暖气片辐射采暖换热器、风机盘管、空调箱中的一种，或者其中几种的组合。Embodiment 1, referring to FIG. 2 , the heating return water absorbs heat in the second heat exchanger 5 to generate heating water supply at 55-60 ° C, and then enters the hot water storage tank for storage, and the heating water in the hot water storage tank , distributed to different surrounding buildings or other buildings 17 through the water distributor 16, and finally heating is performed in the heating terminal 4 of the surrounding buildings. The heating return water is collected by the water collector 15, and then passes through the second heat exchanger 5 to absorb heat to generate high-temperature heating hot water. The heating end 4 is one of a radiant radiant heating heat exchanger, a fan coil unit, and an air-conditioning box, or a combination of several of them.
实施例二，参考图3，在供暖回路中进行循环的介质为制冷剂。制冷剂在第二换热器5中吸收热量，产生高温制冷剂蒸气，并在供热末端4放热，冷凝为制冷剂液体，回流至储液罐，在制冷剂泵的作用下，重新进入到第二换热器5中吸收热量产生供热用的制冷剂蒸汽。供暖末端采用热管换热器与冷凝末端、或者是配有风机的热管换热器与冷凝末端。冷凝末端与高效传热热管辐射散热器耦合成一体，相较于传统的暖气片辐射换热器，热管可以扩大传热面积，并且削弱多个冷凝器带来的阻力增大问题，具有更高的传热效率。Embodiment 2, referring to FIG. 3 , the medium circulating in the heating circuit is refrigerant. The refrigerant absorbs heat in the second heat exchanger 5, generates high-temperature refrigerant vapor, releases heat at the heating end 4, condenses into refrigerant liquid, returns to the liquid storage tank, and re-enters the liquid storage tank under the action of the refrigerant pump. The heat is absorbed into the second heat exchanger 5 to generate refrigerant vapor for heating. The heating end adopts a heat pipe heat exchanger and a condensing end, or a heat pipe heat exchanger and a condensing end equipped with a fan. The condensing end is coupled with the high-efficiency heat transfer heat pipe radiant radiator. Compared with the traditional radiant heat exchanger, the heat pipe can expand the heat transfer area and reduce the resistance increase caused by multiple condensers. heat transfer efficiency.
实施例三，参考图4，在供暖环路中进行循环的介质为制冷剂。供暖末端采用热管换热器与冷凝末端、或者是配有风机的热管换热器与冷凝末端。供热回路配有一个储液罐。Embodiment 3, referring to FIG. 4 , the medium circulating in the heating loop is refrigerant. The heating end adopts a heat pipe heat exchanger and a condensing end, or a heat pipe heat exchanger and a condensing end equipped with a fan. The heating circuit is equipped with a liquid storage tank.
实施例四，参考图5，在供暖环路中进行循环的介质为制冷剂。供暖末端采用热管换热器与冷凝末端、或者是配有风机的热管换热器与冷凝末端。供暖回路配有一个制冷剂泵。Embodiment 4, referring to FIG. 5 , the medium circulating in the heating loop is refrigerant. The heating end adopts a heat pipe heat exchanger and a condensing end, or a heat pipe heat exchanger and a condensing end equipped with a fan. The heating circuit is equipped with a refrigerant pump.
该数据中心废热回收***，涉及一种回收数据中心废热的供暖***，适用于数据中心附近需要供暖的民用建筑、商用建筑，属于暖通空调领域。The data center waste heat recovery system relates to a heating system for recovering the waste heat of a data center, which is suitable for civil buildings and commercial buildings that need heating near the data center, and belongs to the field of HVAC.
该废热回收***基于三介质换热器的热泵/热管一体式机组，既可以利用室外自然冷源实现数据中心的高效散热，又可以回收数据中心排放的废热，并将其利用在冬季住宅、商用建筑的供暖方面。即在周边建筑需要供热时，通过热泵/热管式一体机组，将数据中心机房13的冷凝器端水温加热到供热热水温度，对周边建筑进行供热；当周边建筑不需要供热时，开启数据中心机房13的第二换热器5处的风机，将冷凝废热排放至外部环境中。The waste heat recovery system is based on a heat pump/heat pipe integrated unit with a three-medium heat exchanger. It can not only use the outdoor natural cold source to achieve efficient heat dissipation of the data center, but also recover the waste heat emitted by the data center and use it in residential and commercial applications in winter. Heating aspects of the building. That is, when the surrounding buildings need heating, the heat pump/heat pipe integrated unit is used to heat the water temperature of the condenser end of the data center computer room 13 to the temperature of the heating hot water to supply heat to the surrounding buildings; when the surrounding buildings do not need heating , the fan at the second heat exchanger 5 of the data center equipment room 13 is turned on, and the waste heat of condensation is discharged to the external environment.
在周围环境温度较低时，还可直接通过启动第一换热器6处的风机对蒸发器10内介质进行降温冷却，不用启动压缩机8，可充分利用外界自然冷源，节约能源消耗。When the ambient temperature is low, the medium in the evaporator 10 can also be directly cooled by starting the fan at the first heat exchanger 6, without starting the compressor 8, the external natural cold source can be fully utilized, and energy consumption can be saved.
采用三介质换热器作为冷凝器端和蒸发器端的换热装置，构建了基于三介质换热器的热泵/热管一体式机组，在蒸气压缩制冷回路和重力热管回路中都无须阀门既可实现蒸气压缩制冷、自然冷源制冷、废热回收等运行模式，保证气液两相制冷剂回路中都保持优化的制冷剂分布状态，达到全年高效运行，特别是提高了机房13废热的品位，可在冬季为建筑高效稳定供暖。The three-medium heat exchanger is used as the heat exchange device at the condenser end and the evaporator end, and a heat pump/heat pipe integrated unit based on the three-medium heat exchanger is constructed, which can be realized without valves in both the vapor compression refrigeration circuit and the gravity heat pipe circuit. Vapor compression refrigeration, natural cold source refrigeration, waste heat recovery and other operation modes ensure that the optimal refrigerant distribution state is maintained in the gas-liquid two-phase refrigerant circuit to achieve high-efficiency operation throughout the year. Efficient and stable heating of buildings in winter.
该废热回收***直接利用第一换热器6对蒸发器10中介质进行换热，可减少回收废热回收过程中的换热环节，提高废热回收效率，减少***的初投资。设置三介质的第一换热器6和第二换热器5，可不用设置冷却塔，减少占地面积。The waste heat recovery system directly utilizes the first heat exchanger 6 to exchange heat with the medium in the evaporator 10, which can reduce the heat exchange links in the process of recycling waste heat, improve the efficiency of waste heat recovery, and reduce the initial investment of the system. By setting the first heat exchanger 6 and the second heat exchanger 5 with three mediums, it is not necessary to install a cooling tower, which reduces the floor space.
可根据数据中心较为稳定的废热量，来匹配计算可进行供热的周围建筑14区域，使得回收的废热与周围建筑14供暖所需的热量相匹配，可无需另外设置辅助供热源，可避免不同热源的耦合，减少供暖热水温度的波动，提高***的稳定性。The area of surrounding buildings 14 that can be heated can be matched and calculated according to the relatively stable waste heat of the data center, so that the recovered waste heat matches the heat required for heating of the surrounding buildings 14, and there is no need to set up additional auxiliary heating sources, which can avoid The coupling of different heat sources reduces the fluctuation of the temperature of the heating hot water and improves the stability of the system.
以上所述仅为本实用新型的较佳实施例而已，并不用以限制本实用新型，凡在本实用新型的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the within the protection scope of the present invention.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282338A (en) * | 2018-10-16 | 2019-01-29 | 中国科学院理化技术研究所 | Data center waste heat recovery system |
| CN110398171A (en) * | 2019-08-21 | 2019-11-01 | 大唐东营发电有限公司 | A kind of power-plant waste-heat recovering device and application method |
| CN113834112A (en) * | 2021-09-06 | 2021-12-24 | 珠海格力电器股份有限公司 | Heat exchange equipment and control method thereof |
| CN114076341A (en) * | 2020-08-12 | 2022-02-22 | 鸿富锦精密电子(天津)有限公司 | Data center heat recovery system |
| CN116293886A (en) * | 2023-03-27 | 2023-06-23 | 北京世纪互联宽带数据中心有限公司 | Heating system, control method and device thereof, electronic equipment and storage medium |
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2018
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282338A (en) * | 2018-10-16 | 2019-01-29 | 中国科学院理化技术研究所 | Data center waste heat recovery system |
| CN110398171A (en) * | 2019-08-21 | 2019-11-01 | 大唐东营发电有限公司 | A kind of power-plant waste-heat recovering device and application method |
| CN114076341A (en) * | 2020-08-12 | 2022-02-22 | 鸿富锦精密电子(天津)有限公司 | Data center heat recovery system |
| CN114076341B (en) * | 2020-08-12 | 2023-10-27 | 富联精密电子(天津)有限公司 | Data center heat recovery system |
| CN113834112A (en) * | 2021-09-06 | 2021-12-24 | 珠海格力电器股份有限公司 | Heat exchange equipment and control method thereof |
| CN116293886A (en) * | 2023-03-27 | 2023-06-23 | 北京世纪互联宽带数据中心有限公司 | Heating system, control method and device thereof, electronic equipment and storage medium |
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