CN207350637U - Data center standpipe indirect evaporating-cooling and mechanical refrigeration combined air conditioning system - Google Patents

Abstract

The utility model discloses an air-conditioning system combined with vertical pipe indirect evaporative cooling and mechanical refrigeration for a data center. The computer room is connected; there are two rows of server cabinets in the computer room, and the air outlet sides of the two rows of server cabinets are opposite to each other. A closed hot channel is formed between the air outlet sides of the two rows of server cabinets. The unit is also connected to the closed hot aisle through the return air duct. The data center of the utility model combines indirect evaporative cooling with mechanical refrigeration combined with an air-conditioning system, which can not only realize the full utilization of natural cold sources, but also avoid the mixing of cold and heat in the machine room.

Description

Indirect evaporative cooling and mechanical refrigeration combined air conditioning system for data center

technical field

The utility model belongs to the technical field of air-conditioning systems, in particular to an air-conditioning system combined with indirect evaporative cooling and mechanical refrigeration for data centers.

Background technique

With the advent of the big data era, the IDC computer room has become an important part of the national economic development, and is the main pillar to promote the informatization and digitization of the national science and technology industry. With the development of the scale and integration of data centers, the power density of IT equipment in servers is increasing day by day, and the heat density is increasing rapidly; on the one hand, the electric power consumed by refrigeration equipment is increasing rapidly, and the energy consumption of computer rooms has attracted more and more attention; on the other hand, On the other hand, the heat dissipation problem of servers is becoming more and more serious, and may even cause equipment downtime due to equipment heating at the cost of consuming a lot of energy and operating costs. In addition, the energy waste caused by the mixing of cold and heat in the computer room is also part of the energy consumption of the computer room. It can be seen that it is very necessary to develop a computer room air conditioning system suitable for solving the above problems.

Utility model content

The purpose of the utility model is to provide an air conditioning system combined with indirect evaporative cooling and mechanical refrigeration for data centers, which can not only realize the full use of natural cold sources, but also avoid the mixing of cold and heat in the machine room.

The technical scheme adopted by the utility model is that the combined air conditioning system of standpipe indirect evaporative cooling and mechanical refrigeration for the data center includes an integrated air conditioner unit combined with standpipe indirect and mechanical refrigeration, and an integrated air conditioner unit combined with standpipe indirect and mechanical refrigeration It is connected with the computer room through the air supply pipe; there are two rows of server cabinets in the computer room, and the air outlet sides of the two rows of server cabinets are oppositely arranged, and a closed hot passage is formed between the air outlet sides of the two rows of server cabinets, and the standpipe is indirectly connected to the machine room. The combined refrigeration and integrated air-conditioning unit is also connected to the closed hot aisle through the return air pipe.

The utility model is also characterized in that:

The integrated air-conditioning unit with standpipe indirect and mechanical refrigeration includes an organic unit shell, and the primary air inlet and air supply port are respectively arranged on the opposite side walls of the unit shell; The standpipe indirect evaporative cooler, the surface cooler and the primary fan, and the top wall of the unit housing above the standpipe indirect evaporative cooler is provided with a secondary air outlet.

A filter is arranged in the casing of the unit near the primary air inlet.

An air valve is arranged in the air inlet of the primary air.

An exhaust fan is arranged in the secondary air outlet.

Vertical tube indirect evaporative cooler, including a vertical heat exchange tube group, a water shower device is installed above the vertical heat exchange tube group, and a circulating water tank is installed below the vertical heat exchange tube group, and the water shower device passes through the water supply pipe Connect with circulating water tank.

The vertical heat exchange tube group is composed of multiple vertically arranged heat exchange tubes.

A circulating water pump is arranged on the water supply pipe.

The beneficial effects of the utility model are:

(1) The combined air-conditioning system of standpipe indirect evaporative cooling and mechanical refrigeration used in the data center of the utility model combines evaporative cooling technology, mechanical refrigeration technology, and the airflow organization form of the closed hot channel of the computer room, which can realize the maximization of the energy of the computer room Utilization can meet the energy-saving requirements of the computer room;

(2) The data center of the utility model uses the vertical pipe indirect evaporative cooling and mechanical refrigeration combined air conditioning system, wherein the vertical pipe indirect and mechanical refrigeration combined integrated air conditioning unit adopts the vertical pipe type indirect evaporative cooler, and the primary air flows outside the heat exchange tube , the secondary air flows through the heat exchange tubes, on the one hand, the circulating water forms a water film in the heat exchange tubes to cool the secondary air;

(3) In the data center of the utility model, the air-conditioning system combined with vertical pipe indirect evaporative cooling and mechanical refrigeration is used. In the hot summer, when the vertical pipe indirect evaporative cooler cannot meet the cooling capacity demand of the computer room, the surface cooler can be turned on to keep the computer room for one year. Demand for continuous cooling in all seasons;

(4) In the data center of the utility model, the air-conditioning system combined with standpipe indirect evaporative cooling and mechanical refrigeration is used. In winter, the primary air of the standpipe indirect evaporative cooler is indoor return air, and the secondary air is outdoor fresh air. Closed, using the natural cooling capacity of the outdoor air to indirectly cool the primary air, so as to realize the full use of the natural cooling source;

(5) In the data center of the utility model, the indirect evaporative cooling and mechanical refrigeration combined with the air conditioning system of the standpipe, the machine room adopts the form of a closed hot channel, which isolates the cold and hot air, and avoids the waste of cooling capacity caused by the phenomenon of mixing hot and cold and local formation of hot spots;

(6) The data center of the utility model uses the combined air-conditioning system of standpipe indirect evaporative cooling and mechanical refrigeration, and the air supply form of the machine room adopts the form of air supply on the air duct, which saves investment and space compared with the air supply mode of the raised floor .

Description of drawings

Fig. 1 is a structural schematic diagram of the combined air conditioning system of indirect evaporative cooling and mechanical refrigeration for the data center of the utility model;

Fig. 2 is a structural schematic diagram of an air-conditioning unit integrated with a standpipe indirect evaporative cooling and mechanical refrigeration combined air conditioning system for a data center of the present invention.

In the figure, 1. Vertical pipe indirect and mechanical refrigeration combined integrated air conditioning unit, 2. Secondary air outlet, 3. Filter, 4. Primary air inlet, 5. Circulating water tank, 6. Heat exchange tube, 7. Circulating water pump, 8. Surface cooler, 9. Primary fan, 10. Air supply outlet, 11. Return air duct, 12. Air supply duct, 13. Server cabinet, 14. Machine room, 15. Closed hot aisle.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

The data center of the utility model uses the air-conditioning system combined with vertical pipe indirect evaporative cooling and mechanical refrigeration, as shown in Figure 1, including an integrated air-conditioning unit 1 with vertical pipe indirect and mechanical refrigeration combined, and an integrated air-conditioning unit with vertical pipe indirect and mechanical refrigeration combined 1. It communicates with the computer room 14 through the air supply pipe 12; two rows of server cabinets 13 are arranged in the computer room 14, and the air outlet sides of the two rows of server cabinets 13 are oppositely arranged, and a closed heat is formed between the air outlet sides of the two rows of server cabinets 13. The channel 15 and the standpipe are indirectly connected with the integrated mechanical refrigeration unit 1 and the closed hot channel 15 through the return air pipe 11 .

Standpipe indirect and mechanical refrigeration combined integrated air conditioning unit 1, as shown in Figure 2, includes an organic unit casing, and the opposite side walls of the unit casing are respectively provided with a primary air inlet 4 and an air supply port 10, inside the unit casing A filter 3, a standpipe indirect evaporative cooler, a surface cooler 8, and a primary fan 9 are arranged in sequence according to the air flow direction after the air enters, and a secondary Exhaust outlet 2.

A damper is arranged in the air inlet 4 of the primary air.

An exhaust fan is arranged in the secondary air outlet 2 .

The vertical pipe type indirect evaporative cooler, as shown in Figure 2, includes a vertical heat exchange tube group, a water spraying device is arranged above the vertical heat exchange tube group, and a circulating water tank 5 is arranged below the vertical heat exchange tube group , the shower device is connected with the circulating water tank 5 through the water supply pipe, and the water supply pipe is provided with a circulating water pump 7.

Wherein, the vertical heat exchange tube group is composed of a plurality of vertically arranged heat exchange tubes 6 .

The airflow organization in the computer room 14 adopts the form of a closed hot aisle 15, the hot air after absorbing the heat of the server enters the closed hot aisle 15, and then enters the standpipe through the return air pipe 11 connected with the closed hot aisle 15 In the air-conditioning unit 1 integrated with indirect and mechanical refrigeration, the return air is processed by the standpipe and indirectly processed with the integrated air-conditioning unit 1 of mechanical refrigeration, and then sent into the machine room 14 through the air supply pipe 12 connected to the air supply port 10, which is used to clean the machine room. 14 for cooling, and so on.

The working process of the utility model data center combined air conditioning system with indirect evaporative cooling and mechanical refrigeration is as follows:

(1) Summer operation mode: In the hot summer, when the standpipe type indirect evaporative cooler cannot meet the cooling capacity demand in the machine room 14, the surface cooler 8 is turned on; In the channel 15, through the return air pipe 11 connected to the closed hot channel 15, it enters the air conditioning unit 1 integrated with the vertical pipe indirect and mechanical refrigeration; the return air enters the vertical pipe through the primary air inlet 4 and is indirectly integrated with the mechanical refrigeration In the chemical air conditioning unit 1, it is first filtered by the filter 3 and then enters the standpipe indirect evaporative cooler for cooling. The secondary air of the standpipe indirect evaporative cooler flows through each heat exchange tube 6, and the primary air flows through each Outside the first heat exchange tube 6, the secondary air exchanges heat and moisture with the water film inside the heat exchange tube 6, and then exchanges heat with the primary air outside the heat exchange tube 6, and then continues cooling through the surface cooler 8, vertical pipe type The secondary air of the indirect evaporative cooler is discharged through the secondary air outlet 2 under the action of the exhaust fan. After the return air is processed to the air supply state, cold air is sent in through the air supply pipe 12 under the action of the primary fan 9 Inside the machine room 14, used for cooling the inside of the machine room 14.

(2) Transitional season operation mode: in the spring and autumn transitional season, the surface cooler 8 is closed, and the return air enters the vertical pipe indirect and mechanical refrigeration integrated air conditioning unit 1 from the primary air inlet 4, and is first filtered by the filter 3 before entering the vertical air conditioner. In the tube-type indirect evaporative cooler, the secondary air of the vertical tube-type indirect evaporative cooler flows through each heat exchange tube 6, the primary air flows through each heat exchange tube 6 outside, and the secondary air flows through each heat exchange tube 6 After heat and moisture exchange, the water film of the water film exchanges heat with the primary air outside the heat exchange tube 6, and then continues cooling through the surface cooler 8, and the secondary air of the standpipe indirect evaporative cooler is discharged through the secondary air under the action of the exhaust fan. The air outlet 2 is discharged, and the cooled air enters the air supply pipe 12 through the air outlet 10 under the action of the primary fan 9, and finally is sent into the machine room 14. The primary air of the standpipe indirect evaporative cooler is the indoor return air, and the secondary Secondary air is outdoor fresh air.

(3) Winter operation mode: in the transition season of spring and autumn, the surface cooler 8 is closed, and the return air enters the standpipe indirect and mechanical refrigeration integrated air conditioning unit 1 through the primary air inlet 4, and then enters the standpipe indirect evaporation after being filtered by the filter 3 In the cooler, after the air is processed to the air supply state, it enters the air supply pipe 12 through the air supply port 10 under the action of the primary fan 9, and finally sends it into the machine room 14. The primary air of the standpipe indirect evaporative cooler is the indoor return air. Wind, the secondary air is the natural cold wind outside, the shower device is closed, and the natural cooling capacity of the outdoor air is used to indirectly cool the primary air, so as to realize the full use of the natural cooling source, and so on.

The data center of the utility model uses the vertical pipe indirect evaporative cooling and mechanical refrigeration combined air conditioning system, adopts the vertical pipe indirect and mechanical refrigeration combined air conditioning unit 1 to provide cooling for the machine room 14, and the machine room 14 adopts a closed hot channel return air, and the air pipe is sent up The form of the wind.

The utility model data center uses standpipe indirect evaporative cooling and mechanical refrigeration combined air conditioning system, which combines evaporative cooling technology, mechanical refrigeration technology, and the airflow organization form of the closed hot channel in the machine room, wherein the standpipe is indirectly integrated with mechanical refrigeration The air conditioning unit 1 adopts a standpipe type indirect evaporative cooler, the primary air flows through the heat exchange tube 6, the secondary air flows through the heat exchange tube 6, and the circulating water forms a water film in the heat exchange tube 6 on the one hand, and the secondary air flows through the heat exchange tube 6. The air is cooled, and on the other hand, it has a flushing effect on the heat exchange tube 6, so as to alleviate the problem of dirty and blocked tubes.

In the data center of the utility model, the vertical pipe indirect evaporative cooling and mechanical refrigeration combined air conditioning system is used. In winter, the primary air of the vertical pipe type indirect evaporative cooler is the indoor return air, and the secondary air is the outdoor natural cold wind. The water shower device is closed. , use the natural cooling capacity of the outdoor air to indirectly cool the primary air, and realize the full utilization of the natural cooling source; in the hot summer, when the standpipe indirect evaporative cooler cannot meet the cooling capacity demand of the machine room 14, turn on the surface cooler 8 , It can maintain the continuous cooling demand of the computer room all year round.

Claims (8)

1. The combined air-conditioning system of riser indirect evaporative cooling and mechanical refrigeration for data centers, which is characterized in that it includes an integrated air-conditioning unit (1) combining standpipe indirect and mechanical refrigeration, and the integrated air-conditioning unit of riser indirect and mechanical refrigeration The unit (1) communicates with the machine room (14) through the air supply pipe (12); two rows of server cabinets (13) are arranged in the machine room (14), and the air outlet sides of the two rows of server cabinets (13) are in the shape of Relatively arranged, a closed hot aisle (15) is formed between the air outlet sides of the two rows of server cabinets (13), and the standpipe is indirectly combined with the mechanical refrigeration integrated air conditioning unit (1) through the return air duct (11) Connect with closed hot passage (15). 2. The combined air-conditioning system of riser indirect evaporative cooling and mechanical refrigeration for data centers according to claim 1, characterized in that the integrated air conditioning unit (1) of standpipe indirect and mechanical refrigeration combination includes an organic unit casing , the opposite side walls of the unit housing are respectively provided with a primary air inlet (4) and an air supply outlet (10); the unit housing is provided with vertical tube type indirect evaporative coolers in sequence according to the flow direction of the air after entering , a surface cooler (8) and a primary fan (9), and a secondary air exhaust port (2) is provided on the top wall of the unit housing corresponding to the top of the standpipe type indirect evaporative cooler. 3. The combined air-conditioning system for standpipe indirect evaporative cooling and mechanical refrigeration for data centers according to claim 2, characterized in that a filter (3) is provided in the casing of the unit near the primary air inlet (4). 4. The combined air-conditioning system for riser indirect evaporative cooling and mechanical refrigeration for data centers according to claim 2 or 3, characterized in that a damper is arranged in the primary air inlet (4). 5 . The data center riser indirect evaporative cooling and mechanical refrigeration combined air conditioning system according to claim 2 , wherein an exhaust fan is arranged in the secondary air outlet ( 2 ). 6. The combined air-conditioning system for vertical pipe indirect evaporative cooling and mechanical refrigeration for data centers according to claim 2, wherein the vertical pipe-type indirect evaporative cooler includes a vertical heat exchange tube group, and the vertical pipe A water shower device is provided above the vertical heat exchange tube group, and a circulating water tank (5) is provided below the vertical heat exchange tube group, and the water shower device is connected to the circulating water tank (5) through a water supply pipe. 7. The combined air-conditioning system for data centers with riser indirect evaporative cooling and mechanical refrigeration according to claim 6, characterized in that, the vertical heat exchange tube group is composed of a plurality of vertically arranged heat exchange tubes (6) . 8 . The data center riser indirect evaporative cooling and mechanical refrigeration combined air conditioning system according to claim 6 , wherein a circulating water pump ( 7 ) is arranged on the water supply pipe.