阅读说明：本技术 一种集成太阳能烟囱的数据中心强化通风及余热回收系统 (Data center enhanced ventilation and waste heat recovery system integrated with solar chimney ) 是由 高阳 于 2019-11-08 设计创作，主要内容包括：本发明专利涉及一种集成太阳能烟囱的数据中心强化通风及余热回收系统,属于数据中心气流组织优化及热回收技术领域,其特点在于,主要包括：机房精密空调、封闭冷通道、热通道、太阳能烟囱、气动风机、三通调节阀I、三通调节阀II、活塞式空气压缩机、高效压缩空气余热回收器、空气调节阀、空气过滤器I、三通调节阀III、空气过滤器II、值班室(会议室)、加压水泵、油余热回收系统、电动温控阀、水净化器、三通调节阀IV、储水箱I、电辅助加热器、储水箱II。本发明可同时实现数据中心气流组织优化和余热回收再利用,分别为封闭冷通道和值班室输送冷热风,并给值班室提供生活热水；可避免直接将余热排入空气中,造成能源浪费和环境污染问题。(The invention relates to a data center enhanced ventilation and waste heat recovery system integrated with a solar chimney, belonging to the technical field of data center airflow organization optimization and heat recovery, and being characterized by mainly comprising the following components: the system comprises a machine room precision air conditioner, a closed cold channel, a hot channel, a solar chimney, a pneumatic fan, a three-way regulating valve I, a three-way regulating valve II, a piston type air compressor, a high-efficiency compressed air waste heat recoverer, an air regulating valve, an air filter I, a three-way regulating valve III, an air filter II, a duty room (conference room), a pressure water pump, an oil waste heat recovery system, an electric temperature control valve, a water purifier, a three-way regulating valve IV, a water storage tank I, an electric auxiliary heater and a water storage tank II. The invention can simultaneously realize the optimization of the airflow organization and the recycling of waste heat of the data center, respectively convey cold and hot air for the closed cold channel and the duty room, and provide domestic hot water for the duty room; can avoid the problems of energy waste and environmental pollution caused by directly discharging the waste heat into the air.)

1. The utility model provides an intensive ventilation of data center and waste heat recovery system of integrated solar chimney which characterized in that includes: the system comprises a machine room precision air conditioner (1), a closed cold channel (2), a hot channel (3), a solar chimney (4), a pneumatic fan (5), a three-way regulating valve I (6), a three-way regulating valve II (7), a piston type air compressor (8), a high-efficiency compressed air waste heat recoverer (9), an air regulating valve (10), an air filter I (11), a three-way regulating valve III (12), an air filter II (13), a duty room (meeting room) (14), a pressurized water pump (15), an oil waste heat recovery system (16), an electric temperature control valve (17), a water purifier (18), a three-way regulating valve IV (19), a water storage tank I (20), an electric auxiliary heater (21) and a water storage tank II (22);

wherein, the solar chimney (4) comprises a heat insulation wall (4-1), a heat collection plate (4-2), a glass plate (4-3) and an air valve (4-4); the three-way regulating valve I (6) is provided with a first port (6-1), a second port (6-2) and a third port (6-3); the three-way regulating valve II (7) is provided with a first port (7-1), a second port (7-2) and a third port (7-3); the piston type air compressor (8) is provided with an air inlet (8-1), a hot air outlet (8-2), a cold oil inlet (8-3) and a hot oil outlet (8-4); the high-efficiency compressed air waste heat recoverer (9) is provided with an air inlet (9-1), a cold air outlet (9-2), a cold water inlet (9-3) and a hot water outlet (9-4); the three-way regulating valve III (12) is provided with a first port (12-1), a second port (12-2) and a third port (12-3); the oil waste heat recovery system (16) is provided with a low-temperature hot water inlet (16-1), a cold oil outlet (16-2), a hot oil inlet (16-3) and a high-temperature hot water outlet (16-4); the three-way regulating valve IV (19) is provided with a first port (19-1), a second port (19-2) and a third port (19-3);

cold air sent out from a machine room precision air conditioner (1) sequentially passes through a closed cold channel (2) and a hot channel (3), the hot channel (3) is connected with a solar chimney (4), hot air in the solar chimney (4) is connected with a first port (6-1) of a three-way regulating valve I (6) through a pneumatic fan (5), a second port (6-2) of the three-way regulating valve I (6) is connected with a first port (7-1) of a three-way regulating valve II (7), a second port (7-2) of the three-way regulating valve II (7) is connected with an air compressing inlet (8-1) of a piston type air compressor (8), a hot air outlet (8-2) of the piston type air compressor (8) is connected with an air inlet (9-1) of a high-efficiency compressed air waste heat recoverer (9), and a cold air outlet (6-2) of the high-efficiency compressed air waste heat recoverer (6) is connected with a section of an air regulating valve (10) The other end of the air regulating valve (10) is connected with one end of an air filter I (11), and the other end of the air filter I (11) is connected with the closed cold channel (3);

a third port of the three-way regulating valve I (6) is connected with a first port (12-1) of a three-way regulating valve III (12), a second port (12-2) of the three-way regulating valve III (12) is connected with a duty room (conference room) (14) through an air filter II (13), and a third port (12-3) of the three-way regulating valve III (12) is connected with an air inlet (8-1) of the piston type air compressor (8) through a third port (7-3) and a second port (7-2) of the three-way regulating valve II (7);

tap water sent from a municipal pipe network is connected with a cold water inlet (9-3) of a high-efficiency compressed air compressor (9) through a pressurizing water pump (12), a hot water outlet (9-4) of the high-efficiency compressed air waste heat recoverer (9) is connected with a low-temperature hot water inlet (16-1) of an oil waste heat recovery system (16), a cold oil outlet (16-2) of the oil waste heat recovery system (16) is connected with a cold oil inlet (8-3) of a piston type air compressor (8), and a hot oil inlet (8-4) of the piston type air compressor (8) is connected with a hot oil inlet (16-3) of the oil waste heat recovery system (16) through an electric temperature control valve (17); a high-temperature hot water outlet (16-4) of the oil waste heat recovery system (16) is connected with a first port (19-1) of a three-way regulating valve IV (19) through a water purifier (18), a second port (19-2) of the three-way regulating valve IV (19) is connected with a water storage tank I (20), and a third port (19-3) of the three-way regulating valve IV (19) is connected with a water storage tank II (22) through an electric auxiliary heater (21).

2. The solar chimney integrated data center enhanced ventilation and waste heat recovery system as claimed in claim 1, comprising the process of:

under the working condition of summer, a first port (6-1) and a second port (6-2) of a three-way regulating valve I (6) are regulated to be communicated, cold air sent out from a machine room precision air conditioner (1) sequentially passes through a closed cold channel (2) and a hot channel (3) and is finally sucked into a solar chimney (4), in the solar chimney (4), a heat collecting plate (4-2) collects solar radiation energy penetrating through a glass plate (4-3), so that the temperature of the heat collecting plate (4-2) is increased to heat air in the solar chimney (4), the temperature difference between the inside and the outside of the solar chimney (4) is increased to increase hot pressing, meanwhile, the pumping effect of the solar chimney (4) is utilized to increase the turbulence ventilation effect, and the heat in a heat carrying channel (3) is accelerated; the hot air of 40 ℃ to 80 ℃ discharged from the solar chimney (4) sequentially passes through a first port (6-1) and a second port (6-2) of a three-way regulating valve I (6), a first port (7-1) and a second port (7-2) of a three-way regulating valve II (7) under the action of a pneumatic fan (5) to flow into a piston type air compressor (8) in an accelerating way, the hot air and hot oil are generated under the action of the piston type air compressor (8), the hot oil enters an oil waste heat recovery system (16) through an electric temperature control valve (17), the hot air generated in the piston type air compressor (8) is discharged from a hot air outlet (8-2) to enter a high-efficiency compressed air waste heat recoverer (9) to generate low-temperature hot water and cold air, and the cold air is sent out from a cold air outlet (9-2) of the high-efficiency compressed air waste heat recoverer (9), the air enters an air filter I (11) under the control of an air regulating valve (10), and the cold air is finally sent into a closed cold channel (2) after being filtered; the low-temperature hot water from the high-efficiency compressed air waste heat recoverer (9) enters an oil waste heat recovery system (16), hot water and cold oil at about 60 ℃ are generated under the action of the oil waste heat recovery system (16), and the cold oil returns to the piston type air compressor (8) through a cold oil outlet (16-2) of the oil waste heat recovery system (16); and hot water at about 60 ℃ coming out of the oil waste heat recovery system (16) enters a first port (16-1) of a three-way regulating valve IV (19) through a water purifier (18), the hot water at 60 ℃ is shunted at a second port (19-2) and a third port (19-3) of the three-way regulating valve IV (19), the hot water passing through the second port (19-2) of the three-way regulating valve IV (19) finally enters a water storage tank I (20) to be used as domestic hot water, the hot water passing through the third port (19-3) of the three-way regulating valve IV (19) reaches 100 ℃ under the heating of an electric auxiliary heater (21), and the hot water enters a water storage tank II (22) to be used as drinking hot water.

Under the working condition in winter, the first port (6-1) and the third port (6-3) of the regulating three-way regulating valve I (6) are communicated, and the second port (7-2) and the third port (7-3) of the three-way regulating valve II (7) are regulated to be communicated, cold air sent out from the machine room precision air conditioner (1) passes through the closed cold channel (2) and the hot channel (3) in sequence and is finally sucked into the solar chimney (4), in the solar chimney (4), the heat collecting plate (4-2) collects the solar radiation energy transmitted through the glass plate (4-3), so that the temperature of the heat collecting plate (4-2) is increased to heat the air in the solar chimney (4), the temperature difference between the inside and the outside of the solar chimney (4) is increased to increase the hot pressing, meanwhile, turbulent flow is increased by utilizing the suction effect of the solar chimney (4), the ventilation effect is enhanced, and the heat in the hot channel (3) is accelerated to be taken away; hot air at 40-80 ℃ discharged from a solar chimney (4) flows in an accelerated manner under the action of a pneumatic fan (5) and sequentially enters a first port (12-1) of a three-way regulating valve III (12) through a first port (6-1) and a third port (6-3) of the three-way regulating valve I (6), is shunted at a second port (12-2) and a third port (12-3) of the three-way regulating valve III (12), and the air passing through the second port (12-2) is filtered in an air filter II (13) and then is sent to a duty room (conference room) (14); the air passing through the third port (12-3) sequentially passes through the third port (7-3) of the three-way regulating valve II (7) and the compressed air inlet (8-1) of the second port (7-2) from the piston type air compressor (8) to enter the piston type air compressor (8); hot air and hot oil are generated under the action of a piston type air compressor (8), the hot oil enters an oil waste heat recovery system heat (16) through an electric temperature control valve (17), the hot air generated by the piston type air compressor (8) is discharged from a hot air outlet (8-2) to enter a high-efficiency compressed air waste heat recoverer (9) and generate low-temperature hot water and cold air, the cold air is sent out from a cold air outlet (9-2) of the high-efficiency compressed air waste heat recoverer (9) and is controlled by an air regulating valve (10) to enter an air filter I (11), and the cold air is finally sent into a closed cold channel (2) after being filtered; the low-temperature hot water from the high-efficiency compressed air waste heat recoverer (9) enters an oil waste heat recovery system (16), hot water and cold oil at about 60 ℃ are generated under the action of the oil waste heat recovery system (16), and the cold oil returns to the piston type air compressor (8) through a cold oil outlet (16-2) of the oil waste heat recovery system (16); and hot water at about 60 ℃ coming out of the oil waste heat recovery system (16) enters a first port (16-1) of a three-way regulating valve IV (19) through a water purifier (18), the hot water at 60 ℃ is shunted at a second port (19-2) and a third port (19-3) of the three-way regulating valve IV (19), the hot water passing through the second port (19-2) of the three-way regulating valve IV (19) finally enters a water storage tank I (20) to be used as domestic hot water, the hot water passing through the third port (19-3) of the three-way regulating valve IV (19) reaches 100 ℃ under the heating of an electric auxiliary heater (21), and the hot water enters a water storage tank II (22) to be used as drinking hot water.

3. The solar chimney integrated data center enhanced ventilation and waste heat recovery system as claimed in claim 1, wherein:

the adjustment of the three-way adjusting valve I (5) is adjusted according to the change of winter and summer seasons.

4. The solar chimney integrated data center enhanced ventilation and waste heat recovery system as claimed in claim 1, wherein:

the system is not only suitable for a data center with an on-duty room or a conference room, but also suitable for a general data machine room without the on-duty room or the conference room, and at the moment, only the three-way regulating valve I (6) and the three-way regulating valve II (7) are required to be replaced by straight-through valves.

5. The solar chimney integrated data center enhanced ventilation and waste heat recovery system as claimed in claim 1, wherein:

in summer, due to the abundant solar energy resources, the capacity of the solar chimney (4) for taking away heat in the data center hot channel (3) is greatly enhanced, and the strengthened ventilation effect is greatly increased; meanwhile, the heat generated by the solar chimney (4) is very large, and the amount of cold air finally sent into the closed cold channel (2) through the waste heat recovery system is increased sharply, so that the air flow organization in the data center is further improved, and the thermal safety is improved.

6. The solar chimney integrated data center enhanced ventilation and waste heat recovery system as claimed in claim 1, wherein:

the solar chimney (4) comprises a heat insulation wall (4-1), a heat collection plate (4-2), a glass plate (4-3) and an air valve (4-4), and is arranged at the roof position above the heat channel (3); one side is a heat insulation wall (4-1), a heat collection plate (4-2) is tightly attached to the heat insulation wall (4-1), the middle is a chimney channel, the other side is a glass plate (4-3), and the top of the channel is an air valve (4-4).

7. The solar chimney integrated data center enhanced ventilation and waste heat recovery system as claimed in claim 1, wherein:

the system can be suitable for a data center of a hot channel and a data center of an open hot channel, but in the data center of the hot channel, the strengthening ventilation effect is better, and the waste heat recovery efficiency is higher.

Technical Field

The invention relates to a data center enhanced ventilation and waste heat recovery system integrated with a solar chimney, and belongs to the technical field of data center airflow organization optimization and heat recovery.

Background

With the advent of the 5G era, internet technology has become a preferred target of global competition, the requirements for processing speed and processing capacity of data information are increasing, and the construction of data centers is expanding. By the end of 2017, the number of global data centers has reached 860 million, and the annual consumption of electricity in excess of 416 terawatts corresponds to 2% of the world's energy production. In a data center, about 40% of energy consumption is used for IT equipment, and the equipment can generate a large amount of heat when running at a high speed, so that an air conditioning system is needed to dissipate heat to ensure the server to run healthily and stably, and the energy consumption of the air conditioning system accounts for about 40% of the total energy consumption of the data center. In the data computer lab of high performance, the temperature of computer lab hot aisle can reach 40 degrees, if directly arrange to outdoor, not only cause the energy waste, still can influence the environment, therefore data center waste heat recovery has great research meaning.

In recent years, there are many researchers for recovering waste heat of data centers, and research manners are diverse, for example, a functional system for recovering waste heat of a data center provided by patent CN205299850U, a waste heat recovery system of a data machine room provided by patent N201510778693.1, and the like, the heat dissipated by a server is recovered and utilized, the form is single, and the recovery efficiency is not significant. The data center can utilize clean energy such as solar energy and the like to strengthen ventilation, so that heat emitted by the server and solar radiation heat are accumulated and utilized.

In order to improve the heat distribution of the data center, patent CN206709299U proposes a ventilation system integrated with a solar chimney, which disturbs the hot air flow by the action of solar radiation to accelerate the heat discharge, and under the action of solar radiation, the air temperature of the hot channel can reach 60-80 degrees, and how to use this heat becomes the key of research.

Disclosure of Invention

The invention aims to provide a data center enhanced ventilation and waste heat recovery system integrated with a solar chimney, which can simultaneously realize the optimization of the airflow organization and the waste heat recovery of a data center; the heat in a hot channel of the data center can be taken away in an accelerated manner through the thermal disturbance effect in the solar chimney, the part of heat and solar radiation heat generated by the solar chimney are converted into cold and hot air and hot water through a waste heat recovery system, the cold and hot air is respectively sent into a closed cold channel and a duty room after being filtered, and the hot water can be used as domestic hot water in places where people are located, such as the duty room of the data center and the like; the problems of energy waste and environmental pollution caused by directly discharging the waste heat into the air are avoided.

The invention provides a data center enhanced ventilation and waste heat recovery system integrated with a solar chimney, which is characterized by comprising the following components: the system comprises a machine room precision air conditioner, a closed cold channel, a hot channel, a solar chimney, a pneumatic fan, a three-way regulating valve I, a three-way regulating valve II, a piston type air compressor, a high-efficiency compressed air waste heat recoverer, an air regulating valve, an air filter I, a three-way regulating valve III, an air filter II, a duty room (conference room), a pressure water pump, an oil waste heat recovery system, an electric temperature control valve, a water purifier, a three-way regulating valve IV, a water storage tank I, an electric auxiliary heater and a water storage tank II;

in the data center enhanced ventilation and waste heat recovery system integrated with the solar chimney, the solar chimney comprises a heat insulation wall, a heat collection plate, a glass plate and an air valve; the three-way regulating valve I is provided with a first port, a second port and a third port; the three-way regulating valve II is provided with a first port, a second port and a third port; the piston type air compressor is provided with an air inlet, a hot air outlet, a cold oil inlet and a hot oil outlet; the high-efficiency compressed air waste heat recoverer is provided with an air inlet, a cold air outlet, a cold water inlet and a hot water outlet; the three-way regulating valve III is provided with a first port, a second port and a third port; the oil waste heat recovery system is provided with a low-temperature hot water inlet, a cold oil outlet, a hot oil inlet and a high-temperature hot water outlet; the three-way regulating valve IV is provided with a first port, a second port and a third port;

in the data center enhanced ventilation and waste heat recovery system integrated with the solar chimney, cold air sent out from a machine room precision air conditioner passes through a closed cold channel and a hot channel in sequence, the hot channel is connected with a solar chimney, hot air in the solar chimney is connected with a first port of a three-way regulating valve I through a pneumatic fan, a second port of the three-way regulating valve I is connected with a first port of a three-way regulating valve II, a second port of the three-way regulating valve II is connected with an air compressing inlet of a piston type air compressor, a hot air outlet of the piston type air compressor is connected with an air inlet of a high-efficiency compressed air waste heat recoverer, a cold air outlet of the high-efficiency compressed air waste heat recoverer is connected with one section of the air regulating valve, the other end of the air regulating valve is connected with one end of an air filter I, and the other end of the air filter I is connected with the closed cold channel;

in the data center enhanced ventilation and waste heat recovery system integrated with the solar chimney, a third port of a three-way regulating valve I is connected with a first port of a three-way regulating valve III, a second port of the three-way regulating valve III is connected with an on-duty room (conference room) through an air filter II, and a third port of the three-way regulating valve III is connected with an air inlet of a piston type air compressor through a third port and a second port of the three-way regulating valve II;

in the data center enhanced ventilation and waste heat recovery system integrated with the solar chimney, tap water sent out from a municipal pipe network is connected with a cold water inlet of a high-efficiency compressed air compressor through a pressurizing water pump, a hot water outlet of a high-efficiency compressed air waste heat recoverer is connected with a low-temperature hot water inlet of an oil waste heat recovery system, a cold oil outlet of the oil waste heat recovery system is connected with a cold oil inlet of a piston type air compressor, and a hot oil inlet of the piston type air compressor is connected with a hot oil inlet of the oil waste heat recovery system through an electric temperature control valve; the high-temperature hot water outlet of the oil waste heat recovery system is connected with the first port of the three-way regulating valve IV through the water purifier, the second port of the three-way regulating valve IV is connected with the water storage tank I, and the third port of the three-way regulating valve IV is connected with the water storage tank II through the electric auxiliary heater.

In the data center enhanced ventilation and waste heat recovery system integrated with the solar chimney, under the working condition of summer, a first port and a second port of a three-way regulating valve I are regulated to be communicated, cold air sent out from a machine room precision air conditioner passes through a closed cold channel and a closed hot channel in sequence and is finally sucked into the solar chimney, in the solar chimney, a heat collecting plate collects solar radiation energy penetrating through a glass plate, the temperature of the heat collecting plate is increased to heat air in the solar chimney, the temperature difference between the inside and the outside of the solar chimney is increased to increase hot pressing, meanwhile, turbulent flow is increased by utilizing the suction effect of the solar chimney, the ventilation effect is enhanced, and the heat in the hot channel is accelerated to be taken away; hot air of 40-80 ℃ discharged from a solar chimney sequentially flows into a piston type air compressor through a first port and a second port of a three-way adjusting valve I and a first port and a second port of a three-way adjusting valve II under the action of a pneumatic fan in an accelerating manner, hot air and hot oil are generated under the action of the piston type air compressor, the hot oil enters an oil waste heat recovery system through an electric temperature control valve, the hot air generated by the piston type air compressor is discharged from a hot air outlet to enter a high-efficiency compressed air waste heat recoverer to generate low-temperature hot water and cold air, the cold air is sent out from a cold air outlet of the high-efficiency compressed air waste heat recoverer and is controlled by an air adjusting valve to enter an air filter I, and the cold air is finally sent into a closed cold channel after being filtered; the low-temperature hot water from the high-efficiency compressed air waste heat recoverer enters an oil waste heat recovery system, hot water and cold oil at about 60 ℃ are generated under the action of the oil waste heat recovery system, and the cold oil returns to the piston type air compressor through a cold oil outlet of the oil waste heat recovery system; and the hot water of about 60 ℃ that comes out from oil waste heat recovery system gets into the first port of three way control valve IV through the water purifier, and 60 ℃ hot water shunts at the second port and the third port of three way control valve IV, and the hot water through three way control valve IV second port finally gets into water storage tank I and uses as life hot water, and the hot water through three way control valve IV third port reaches 100 ℃ under the heating of electric auxiliary heater, gets into water storage tank II and uses as drinking hot water.

Under the working condition in winter, a first port of the three-way regulating valve I is regulated to be communicated with a third port, a second port of the three-way regulating valve II is regulated to be communicated with a third port, cold air sent out from a machine room precision air conditioner sequentially passes through the closed cold channel and the closed hot channel and is finally sucked into the solar chimney, in the solar chimney, the heat collecting plate collects solar radiation energy penetrating through the glass plate, the temperature of the heat collecting plate is increased, so that air in the solar chimney is heated, the temperature difference between the inside and the outside of the solar chimney is increased, hot pressing is increased, meanwhile, turbulence is increased by utilizing the suction effect of the solar chimney, the ventilation effect is strengthened, and heat in the hot channel is accelerated to be taken away; the hot air of 40 ℃ to 80 ℃ discharged from the solar chimney is accelerated to flow under the action of a pneumatic fan and sequentially enters a first port of a three-way regulating valve III through a first port and a third port of the three-way regulating valve I, the hot air is shunted at a second port and the third port of the three-way regulating valve III, and the air passing through the second port is filtered in an air filter II and then is sent to an on-duty room (conference room); the air passing through the third port sequentially passes through the third port of the three-way regulating valve II and the compressed air inlet of the second port from the piston type air compressor to enter the piston type air compressor; hot air and hot oil are generated under the action of a piston type air compressor, the hot oil enters an oil waste heat recovery system through an electric temperature control valve for heat, the hot air generated by the piston type air compressor is discharged from a hot air outlet and enters a high-efficiency compressed air waste heat recoverer to generate low-temperature hot water and cold air, the cold air is sent out from a cold air outlet of the high-efficiency compressed air waste heat recoverer and is controlled by an air regulating valve to enter an air filter I, and the cold air is finally sent into a closed cold channel after being filtered; the low-temperature hot water from the high-efficiency compressed air waste heat recoverer enters an oil waste heat recovery system, hot water and cold oil at about 60 ℃ are generated under the action of the oil waste heat recovery system, and the cold oil returns to the piston type air compressor through a cold oil outlet of the oil waste heat recovery system; and the hot water of about 60 ℃ that comes out from oil waste heat recovery system gets into the first port of three way control valve IV through the water purifier, and 60 ℃ hot water shunts at the second port and the third port of three way control valve IV, and the hot water through three way control valve IV second port finally gets into water storage tank I and uses as life hot water, and the hot water through three way control valve IV third port reaches 100 ℃ under the heating of electric auxiliary heater, gets into water storage tank II and uses as drinking hot water.

In the data center enhanced ventilation and waste heat recovery system integrated with the solar chimney, the adjustment of the three-way adjusting valve I (5) is adjusted according to the change of seasons in winter and summer.

The data center enhanced ventilation and waste heat recovery system integrated with the solar chimney is not only suitable for a data center with an on-duty room or a conference room, but also suitable for a general data machine room without the on-duty room or the conference room, and at the moment, only the three-way regulating valve I (6) and the three-way regulating valve II (7) are required to be replaced by straight-through valves.

In the data center enhanced ventilation and waste heat recovery system integrated with the solar chimney, the capacity of the solar chimney (4) for taking away heat in the data center hot channel (3) is greatly enhanced due to abundant solar energy resources in summer, and the enhanced ventilation effect is greatly increased; meanwhile, the heat generated by the solar chimney (4) is very large, and the amount of cold air finally sent into the closed cold channel (2) through the waste heat recovery system is increased sharply, so that the air flow organization in the data center is further improved, and the thermal safety is improved.

In the data center enhanced ventilation and waste heat recovery system integrated with the solar chimney, the solar chimney (4) comprises a heat insulation wall (4-1), a heat collection plate (4-2), a glass plate (4-3) and an air valve (4-4), and is arranged at the roof position above a heat channel (3); one side is a heat insulation wall (4-1), a heat collection plate (4-2) is tightly attached to the heat insulation wall (4-1), the middle is a chimney channel, the other side is a glass plate (4-3), and the top of the channel is an air valve (4-4).

The data center of integrated solar chimney reinforce ventilation and waste heat recovery system can be applicable to the data center of hot aisle, also is applicable to the data center of opening hot aisle, but in the data center of hot aisle, reinforce the ventilation effect more, and waste heat recovery efficiency is higher.

Drawings

FIG. 1 is a schematic diagram of the present invention;

reference designations in FIG. 1: the system comprises a machine room precision air conditioner 1, a closed cold channel 2, a hot channel 3, a solar chimney 4, a pneumatic fan 5, a three-way regulating valve I6, a three-way regulating valve II7, a piston type air compressor 8, a high-efficiency compressed air waste heat recoverer 9, an air regulating valve 10, an air filter I11 three-way regulating valve III12, an air filter II13, a duty room (conference room) 14, a pressure water pump 15, a 1 oil waste heat recovery system 16, an electric temperature control valve 17, a water purifier 18, a three-way regulating valve IV19, a water storage tank I20, an electric auxiliary heater 21 and a water storage tank II 22.

FIG. 2 is a diagram showing the arrangement position of equipment in a data center, wherein the solar chimney 4 comprises a heat insulation wall 4-1, a heat collection plate 4-2, a glass plate 4-3 and an air valve 4-4.

FIG. 3 is a control flow diagram of an embodiment of the present invention.

Detailed Description

As shown in fig. 1, the data center enhanced ventilation and waste heat recovery system integrated with a solar chimney according to the present invention is characterized by comprising: the system comprises a machine room precision air conditioner (1), a closed cold channel (2), a hot channel (3), a solar chimney (4), a pneumatic fan (5), a three-way regulating valve I (6), a three-way regulating valve II (7), a piston type air compressor (8), a high-efficiency compressed air waste heat recoverer (9), an air regulating valve (10), an air filter I (11), a three-way regulating valve III (12), an air filter II (13), a duty room (meeting room) (14), a pressurized water pump (15), an oil waste heat recovery system (16), an electric temperature control valve (17), a water purifier (18), a three-way regulating valve IV (19), a water storage tank I (20), an electric auxiliary heater (21) and a water storage tank II (22);

in the data center enhanced ventilation and waste heat recovery system integrated with the solar chimney, the solar chimney (4) comprises a heat insulation wall (4-1), a heat collection plate (4-2), a glass plate (4-3) and an air valve (4-4); the three-way regulating valve I (6) is provided with a first port (6-1), a second port (6-2) and a third port (6-3); the three-way regulating valve II (7) is provided with a first port (7-1), a second port (7-2) and a third port (7-3); the piston type air compressor (8) is provided with an air inlet (8-1), a hot air outlet (8-2), a cold oil inlet (8-3) and a hot oil outlet (8-4); the high-efficiency compressed air waste heat recoverer (9) is provided with an air inlet (9-1), a cold air outlet (9-2), a cold water inlet (9-3) and a hot water outlet (9-4); the three-way regulating valve III (12) is provided with a first port (12-1), a second port (12-2) and a third port (12-3); the oil waste heat recovery system (16) is provided with a low-temperature hot water inlet (16-1), a cold oil outlet (16-2), a hot oil inlet (16-3) and a high-temperature hot water outlet (16-4); the three-way regulating valve IV (19) is provided with a first port (19-1), a second port (19-2) and a third port (19-3);

in the data center enhanced ventilation and waste heat recovery system integrating the solar chimney, cold air sent out from a machine room precise air conditioner (1) sequentially passes through a closed cold channel (2) and a hot channel (3), the hot channel (3) is connected with a solar chimney (4), hot air in the solar chimney (4) is connected with a first port (6-1) of a three-way regulating valve I (6) through a pneumatic fan (5), a second port (6-2) of the three-way regulating valve I (6) is connected with a first port (7-1) of a three-way regulating valve II (7), a second port (7-2) of the three-way regulating valve II (7) is connected with a compressed air inlet (8-1) of a piston type air compressor (8), a hot air outlet (8-2) of the piston type air compressor (8) is connected with an air inlet (9-1) of a high-efficiency compressed air waste heat recoverer (9), a cold air outlet (6-2) of the high-efficiency compressed air waste heat recoverer (6) is connected with one section of an air regulating valve (10), the other end of the air regulating valve (10) is connected with one end of an air filter I (11), and the other end of the air filter I (11) is connected with the closed cold channel (3);

in the data center enhanced ventilation and waste heat recovery system integrated with the solar chimney, a third port of a three-way regulating valve I (6) is connected with a first port (12-1) of a three-way regulating valve III (12), a second port (12-2) of the three-way regulating valve III (12) is connected with a duty room (meeting room) (14) through an air filter II (13), and a third port (12-3) of the three-way regulating valve III (12) is connected with an air inlet (8-1) of a piston type air compressor (8) through a third port (7-3) and a second port (7-2) of a three-way regulating valve II (7);

in the data center enhanced ventilation and waste heat recovery system integrated with the solar chimney, tap water sent out from a municipal pipe network is connected with a cold water inlet (9-3) of a high-efficiency compressed air compressor (9) through a pressurizing water pump (12), a hot water outlet (9-4) of the high-efficiency compressed air waste heat recoverer (9) is connected with a low-temperature hot water inlet (16-1) of an oil waste heat recovery system (16), a cold oil outlet (16-2) of the oil waste heat recovery system (16) is connected with a cold oil inlet (8-3) of a piston type air compressor (8), and a hot oil inlet (8-4) of the piston type air compressor (8) is connected with a hot oil inlet (16-3) of the oil waste heat recovery system (16) through an electric temperature control valve (17); a high-temperature hot water outlet (16-4) of the oil waste heat recovery system (16) is connected with a first port (19-1) of a three-way regulating valve IV (19) through a water purifier (18), a second port (19-2) of the three-way regulating valve IV (19) is connected with a water storage tank I (20), and a third port (19-3) of the three-way regulating valve IV (19) is connected with a water storage tank II (22) through an electric auxiliary heater (21).

The working method of the data center enhanced ventilation and waste heat recovery system integrated with the solar chimney is as follows: under the working condition of summer, a first port (6-1) and a second port (6-2) of a three-way regulating valve I (6) are regulated to be communicated, cold air sent out from a machine room precision air conditioner (1) sequentially passes through a closed cold channel (2) and a hot channel (3) and is finally sucked into a solar chimney (4), in the solar chimney (4), a heat collecting plate (4-2) collects solar radiation energy penetrating through a glass plate (4-3), so that the temperature of the heat collecting plate (4-2) is increased to heat air in the solar chimney (4), the temperature difference between the inside and the outside of the solar chimney (4) is increased to increase hot pressing, meanwhile, the pumping effect of the solar chimney (4) is utilized to increase the turbulence ventilation effect, and the heat in a heat carrying channel (3) is accelerated; the hot air of 40 ℃ to 80 ℃ discharged from the solar chimney (4) sequentially passes through a first port (6-1) and a second port (6-2) of a three-way regulating valve I (6), a first port (7-1) and a second port (7-2) of a three-way regulating valve II (7) under the action of a pneumatic fan (5) to flow into a piston type air compressor (8) in an accelerating way, the hot air and hot oil are generated under the action of the piston type air compressor (8), the hot oil enters an oil waste heat recovery system (16) through an electric temperature control valve (17), the hot air generated in the piston type air compressor (8) is discharged from a hot air outlet (8-2) to enter a high-efficiency compressed air waste heat recoverer (9) to generate low-temperature hot water and cold air, and the cold air is sent out from a cold air outlet (9-2) of the high-efficiency compressed air waste heat recoverer (9), the air enters an air filter I (11) under the control of an air regulating valve (10), and the cold air is finally sent into a closed cold channel (2) after being filtered; the low-temperature hot water from the high-efficiency compressed air waste heat recoverer (9) enters an oil waste heat recovery system (16), hot water and cold oil at about 60 ℃ are generated under the action of the oil waste heat recovery system (16), and the cold oil returns to the piston type air compressor (8) through a cold oil outlet (16-2) of the oil waste heat recovery system (16); and hot water at about 60 ℃ coming out of the oil waste heat recovery system (16) enters a first port (16-1) of a three-way regulating valve IV (19) through a water purifier (18), the hot water at 60 ℃ is shunted at a second port (19-2) and a third port (19-3) of the three-way regulating valve IV (19), the hot water passing through the second port (19-2) of the three-way regulating valve IV (19) finally enters a water storage tank I (20) to be used as domestic hot water, the hot water passing through the third port (19-3) of the three-way regulating valve IV (19) reaches 100 ℃ under the heating of an electric auxiliary heater (21), and the hot water enters a water storage tank II (22) to be used as drinking hot water.

Under the working condition in winter, the first port (6-1) and the third port (6-3) of the regulating three-way regulating valve I (6) are communicated, and the second port (7-2) and the third port (7-3) of the three-way regulating valve II (7) are regulated to be communicated, cold air sent out from the machine room precision air conditioner (1) passes through the closed cold channel (2) and the hot channel (3) in sequence and is finally sucked into the solar chimney (4), in the solar chimney (4), the heat collecting plate (4-2) collects the solar radiation energy transmitted through the glass plate (4-3), so that the temperature of the heat collecting plate (4-2) is increased to heat the air in the solar chimney (4), the temperature difference between the inside and the outside of the solar chimney (4) is increased to increase the hot pressing, meanwhile, turbulent flow is increased by utilizing the suction effect of the solar chimney (4), the ventilation effect is enhanced, and the heat in the hot channel (3) is accelerated to be taken away; hot air at 40-80 ℃ discharged from a solar chimney (4) flows in an accelerated manner under the action of a pneumatic fan (5) and sequentially enters a first port (12-1) of a three-way regulating valve III (12) through a first port (6-1) and a third port (6-3) of the three-way regulating valve I (6), is shunted at a second port (12-2) and a third port (12-3) of the three-way regulating valve III (12), and the air passing through the second port (12-2) is filtered in an air filter II (13) and then is sent to a duty room (conference room) (14); the air passing through the third port (12-3) sequentially passes through the third port (7-3) of the three-way regulating valve II (7) and the compressed air inlet (8-1) of the second port (7-2) from the piston type air compressor (8) to enter the piston type air compressor (8); hot air and hot oil are generated under the action of a piston type air compressor (8), the hot oil enters an oil waste heat recovery system heat (16) through an electric temperature control valve (17), the hot air generated by the piston type air compressor (8) is discharged from a hot air outlet (8-2) to enter a high-efficiency compressed air waste heat recoverer (9) and generate low-temperature hot water and cold air, the cold air is sent out from a cold air outlet (9-2) of the high-efficiency compressed air waste heat recoverer (9) and is controlled by an air regulating valve (10) to enter an air filter I (11), and the cold air is finally sent into a closed cold channel (2) after being filtered; the low-temperature hot water from the high-efficiency compressed air waste heat recoverer (9) enters an oil waste heat recovery system (16), hot water and cold oil at about 60 ℃ are generated under the action of the oil waste heat recovery system (16), and the cold oil returns to the piston type air compressor (8) through a cold oil outlet (16-2) of the oil waste heat recovery system (16); and hot water at about 60 ℃ coming out of the oil waste heat recovery system (16) enters a first port (16-1) of a three-way regulating valve IV (19) through a water purifier (18), the hot water at 60 ℃ is shunted at a second port (19-2) and a third port (19-3) of the three-way regulating valve IV (19), the hot water passing through the second port (19-2) of the three-way regulating valve IV (19) finally enters a water storage tank I (20) to be used as domestic hot water, the hot water passing through the third port (19-3) of the three-way regulating valve IV (19) reaches 100 ℃ under the heating of an electric auxiliary heater (21), and the hot water enters a water storage tank II (22) to be used as drinking hot water.

In the data center enhanced ventilation and waste heat recovery system integrated with the solar chimney, the adjustment of the three-way adjusting valve I (5) is adjusted according to the change of winter and summer seasons; the system is not only suitable for a data center with an on-duty room or a conference room, but also suitable for a general data machine room without the on-duty room or the conference room, and at the moment, only the three-way regulating valve I (6) and the three-way regulating valve II (7) are required to be replaced by straight-through valves; in summer, due to the abundant solar energy resources, the capacity of the solar chimney (4) for taking away heat in the data center hot channel (3) is greatly enhanced, and the strengthened ventilation effect is greatly increased; meanwhile, the heat generated by the solar chimney (4) is very large, and the amount of cold air finally sent into the closed cold channel (2) through the waste heat recovery system is increased sharply, so that the air flow organization in the data center is further improved, and the thermal safety is improved; the solar chimney (4) comprises a heat insulation wall (4-1), a heat collection plate (4-2), a glass plate (4-3) and an air valve (4-4), and is arranged at the roof position above the heat channel (3); one side is a heat insulation wall (4-1), a heat collection plate (4-2) is tightly attached to the heat insulation wall (4-1), the middle part is a chimney channel, the other side is a glass plate (4-3), and the top of the channel is an air valve (4-4); the system can be suitable for a data center of a hot channel and a data center of an open hot channel, but in the data center of the hot channel, the strengthening ventilation effect is better, and the waste heat recovery efficiency is higher.