Cavern type data center built at river turning and construction method and operation method of cavern type data center

Abstract

The invention discloses a cave depot type data center built at a river corner and a construction method and an operation method of the cave depot type data center, and belongs to the technical field of cave depot type data center construction. The data center comprises a river, when the river flows through a large turn, mountain bodies on the two sides of the river are divided into a river valley convex mountain body and a river valley concave mountain body, the two sides of the river valley convex mountain body correspond to the upstream and the downstream of the river, and an equipment tunnel group is arranged in the river valley convex mountain body; the elevation of the bottom surface of the equipment tunnel is higher than the highest water level of the river at the large corner, an equipment cabinet and a liquid heat exchanger are arranged in the equipment tunnel, the liquid heat exchanger is connected with the equipment cabinet through a cooling liquid conveying assembly, and a river water conveying part is connected to the liquid heat exchanger; and the river water conveying component is connected with the river valley of the river at the large turning. Water and cooling liquid are adopted for heat exchange, the heat exchange efficiency is high, the heat dissipation and cooling effects of the cooling liquid on the equipment cabinet can be improved, and the operation energy consumption of the cave depot type data center is reduced.

Description

Technical Field

[0001] The invention relates to a cavern-type data center built at a big bend of a river and a construction method and an operation method thereof, belonging to the technical field of cavern-type data center construction. Background Art

[0002] As a carrier of massive data, the demand for data centers has increased significantly, and the construction market will be in a rapid development stage for a long period of time. In order to meet the needs of data center security performance, Guizhou Province proposed and built a cave-type data center that is completely buried inside the mountain. It uses the external mountain as a shelter, which is significantly better than other types of data centers in terms of structural protection capabilities and has become a new direction for the development of data centers. However, the mountain outside the cave-type data center is relatively closed and cannot meet the rapid heat dissipation needs of the data center's IT equipment.

[0003] In order to ensure the normal operation of the cavern-type data center, an air-cooling and heat dissipation solution using a ventilation shaft group has been proposed and successfully implemented. For example, a Chinese patent document with publication number CN118292682A discloses a combined ecological building complex of a cavern-type data center. During operation, the computers inside the cavern of the horizontal data center continuously generate heat when working, causing the air to rise steadily and gather in the arch of the cavern of the horizontal data center. At this time, the hot air gathered at the top of the cross-section of the cavern of the horizontal data center is absorbed by the ceiling suction fan, and transmitted to the first heat exchanger through the hot air delivery pipe. The first heat exchanger converts the hot air into cold air through heat absorption treatment, and transmits it outward through the cold air delivery pipe, and then diffuses it relatively evenly into the cavern of the horizontal data center through the side vertical blower arranged on the side wall of the cavern of the horizontal data center, thereby realizing temperature control and regulation of the cavern of the horizontal data center.

[0004] However, the cave-type data center still has the following shortcomings: First, the air temperature in the horizontal data center cave is regulated to dissipate heat and cool down the IT equipment in the data center. This indirect temperature control method has a very limited effect on the heat dissipation and cooling of IT equipment. Second, the air in the horizontal data center cavern is used for heat exchange with IT equipment, the first heat exchanger, and inside the first heat exchanger, which has low heat exchange efficiency, further reducing the heat dissipation and cooling effect of the air in the horizontal data center cavern on IT equipment, and will lead to an increase in the energy consumption of the cavern-type data center; Third, the continuous operation of the added ceiling suction fans and side supply fans will also lead to an increase in the operating energy consumption of the cave-type data center. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a cave-type data center built at a large bend of a river and a construction method and an operation method thereof.

[0006] The present invention is achieved through the following technical solutions: A cavern-type data center built at a big bend of a river comprises a river. When the river flows through the big bend, the mountains on both sides thereof are divided into convex mountains outside the river valley and concave mountains inside the river valley, and the two sides of the convex mountains outside the river valley correspond to the upstream and downstream of the river. A group of equipment tunnels are arranged in the convex mountains outside the river valley, and the bottom elevation of the equipment tunnels is higher than the highest water level of the river at the big bend. An equipment cabinet and a liquid heat exchanger are arranged in the equipment tunnel. The liquid heat exchanger is connected to the equipment cabinet through a coolant conveying component. A river water conveying component is connected to the liquid heat exchanger, and the river water conveying component is connected to the river valley at the big bend of the river. The river water conveying component includes a cold water inlet assembly and a hot waste water discharge assembly, one end of the cold water inlet assembly is connected to the liquid heat exchanger, and the other end extends to the river valley upstream of the big bend, and the hot waste water discharge assembly is connected to the liquid heat exchanger and extends from the lower end of the equipment tunnel to just above the river valley downstream of the big bend, or extends to the river valley downstream of the big bend; A jacket is provided on the outer wall of the equipment cabinet; The coolant delivery assembly includes a coolant cold pipe and a coolant heat pipe, both of which are connected to the liquid heat exchanger and the jacket on the outer wall of the equipment cabinet, and a coolant circulation pump is provided on the coolant cold pipe.

[0007] The big bend is U-shaped, and the protruding part of the mountain outside the river valley is not less than 100m in length, not less than 50m in width, and at least 50m higher than the highest water level of the river at the big bend.

[0008] The equipment tunnel group includes multiple equipment tunnels arranged side by side, and the equipment tunnels are arranged horizontally along the protruding mountain outside the river valley. The longitudinal slope of the equipment tunnel is not less than 0.3%, and the upper end is arranged close to the river valley upstream of the big bend, and the lower end is arranged close to the river valley downstream of the big bend.

[0009] The inner wall of the equipment tunnel is provided with a lining, the inner wall of the lining is provided with a partition, and the partition divides the space inside the lining into an upper part and a lower part. The inner wall of the lining is provided with a support frame above the partition.

[0010] The bottom of the equipment tunnel is provided with a cold water pipe inlet channel at an angle near its upper end, and the lower end of the cold water pipe inlet channel passes through the protruding mountain outside the valley and extends to the valley upstream of the big bend, and the upper end passes through the lining bottom plate.

[0011] The cold water inlet assembly includes a cold water delivery pipe and a water pump. One end of the cold water delivery pipe is connected to the liquid heat exchanger, the middle part is mounted on a support frame, and the other end is arranged along the equipment tunnel and the cold water pipe inlet channel, and extends to the river valley upstream of the big bend. The water pump is installed on the cold water delivery pipe and is located in the equipment tunnel.

[0012] The hot wastewater discharge assembly includes a hot wastewater drainage channel and a hot wastewater drainage pipe. The hot wastewater drainage channel is arranged on the lined bottom plate and is located directly below the partition. One end of the hot wastewater drainage channel extends from the lower end opening of the equipment tunnel to the outside of the equipment tunnel. One end of the hot wastewater drainage pipe is connected to the liquid heat exchanger, and the other end passes through the partition and extends to directly above the hot wastewater drainage channel or into the hot wastewater drainage channel.

[0013] A distribution tunnel is provided in the protruding mountain outside the river valley, and the distribution tunnel is located between the equipment tunnel group and the turning point of the big bend. Voltage conversion equipment, power storage equipment and distribution box are provided in the distribution tunnel. The voltage conversion equipment is electrically connected to the external high-voltage power grid, and the distribution box and the power storage equipment are both electrically connected to the voltage conversion equipment, and the distribution box is electrically connected to the power storage equipment.

[0014] A communication channel is provided in the protruding mountain outside the river valley, and the communication channel connects the power distribution tunnel and all the equipment tunnels.

[0015] A civil air defense command center tunnel is provided in the protruding mountain outside the river valley, and the civil air defense command center tunnel is connected to the communication channel; Both ends of the power distribution tunnel, both ends of the equipment tunnel, and the connection between the power distribution tunnel and the equipment tunnel and the communication channel are all provided with closed doors.

[0016] A water retaining dam is provided at the turning point of the big bend on the river, and the maximum water storage level of the water retaining dam is at least 5m lower than the bottom elevation of the equipment tunnel and the power distribution tunnel; The convex mountain outside the river valley is provided with a dam external connection passage connecting the power distribution tunnel and the water retaining dam; The water retaining dam is provided with a hydroelectric generating device, and the hydroelectric generating device is electrically connected to a voltage conversion device in a power distribution tunnel via a cable arranged in an external connection channel of the dam.

[0017] A data center factory road is provided along the edge of the convex mountain outside the river valley, the data center factory road is U-shaped, and road end parking lots are provided at both ends of the data center factory road on the convex mountain outside the river valley; An external road for the data center is provided on the concave mountain in the river valley, and is connected to the data center factory road through the dam top road of the water retaining dam. An access management gate is provided on one end of the dam top road of the water retaining dam close to the protruding mountain outside the river valley.

[0018] A construction method for a cavernous data center built at a large bend of a river comprises the following steps: Step 1: Select the river, the convex mountain outside the river valley and the concave mountain inside the river valley where the cave-type data center is to be built through survey, and build the external road of the data center; Step 2: Use the external road of the data center as a channel for transporting construction materials, build a water retaining dam, and reserve a channel inside the water retaining dam to connect it with the external channel of the dam; Step 3: After the water retaining dam is built, build the data center factory road and the parking lot at the end of the road, and connect the data center factory road with the external road of the data center through the dam top road; Step 4: Uniformly number the power distribution tunnels and all equipment tunnels, and then divide them into the first and second batches of tunnel construction according to odd and even numbers. During construction, the external roads of the data center and the factory roads of the data center are used as channels for transporting construction materials; Step 5: After the first batch of tunnels are completed, the second batch of tunnels will be constructed; Step 6: Start construction of the communication channel from the equipment tunnel, and start construction of the dam external channel from the power distribution tunnel; Step 7: Complete the installation and connection of equipment in the power distribution tunnel and the equipment tunnel, and electrically connect the hydropower equipment to the voltage conversion equipment; Step 8. Install closed doors at both ends of the distribution tunnel, both ends of the equipment tunnel, and at the connection points between the distribution tunnel and the equipment tunnel and the communication channel, and install access control on the dam top road of the water retaining dam.

[0019] A method for operating a cavernous data center built at a large bend of a river comprises the following steps: Step A, closing the closed door at the entrance of the equipment tunnel and the closed door at the connection between the equipment tunnel and the communication channel, and filling the equipment tunnel with non-flammable gas; Step B, start the coolant circulation pump to circulate the coolant in the jacket on the outer wall of the equipment cabinet, the coolant cold pipe, the coolant heat pipe and the liquid heat exchanger; Step C, start the water pump to transport the river water in the upstream valley of the protruding mountain outside the valley to the liquid heat exchanger for heat exchange with the coolant, the coolant that has completed the heat exchange in the liquid heat exchanger flows back to the jacket on the outer wall of the equipment cabinet to continue to cool and dissipate the equipment cabinet, the water that has completed the heat exchange in the liquid heat exchanger is first discharged into the hot wastewater drainage channel through the hot wastewater discharge pipe, and then discharged into the downstream valley of the protruding mountain outside the valley through the hot wastewater drainage channel.

[0020] The non-flammable gas filled into the equipment tunnel is nitrogen, and after the nitrogen is filled into the equipment tunnel, the internal oxygen concentration is lower than 15%.

[0021] When the equipment tunnel needs to be ventilated, the closed doors at the openings at both ends thereof can be opened.

[0022] The beneficial effects of the present invention are: 1. The river water is transported to the liquid heat exchanger through the river water transport component. The river water exchanges heat with the coolant in the liquid heat exchanger. The coolant after water cooling is transported to the equipment cabinet through the coolant transport component to directly cool and dissipate the heat of the equipment cabinet. This direct temperature control method significantly improves the heat dissipation and cooling effect of the equipment cabinet.

[0023] 2. Using water and coolant for heat exchange has high heat exchange efficiency, which can improve the heat dissipation and cooling effect of the coolant on the equipment cabinet, and also help to reduce the operating energy consumption of the cave-type data center.

[0024] 3. Make full use of the natural, cold river water around the protruding mountains outside the valley to exchange heat with the coolant in the liquid heat exchanger, and finally use the coolant to dissipate heat and cool the equipment cabinets, significantly reducing the operating costs of the cave-type data center.

[0025] 4. Set a longitudinal slope of not less than 0.3% to ensure that the hot wastewater drainage channel can naturally and smoothly drain the hot wastewater, which will help reduce the operating costs of the ecological cavern-type data center.

[0026] 5. The main structure of the data center is mainly set inside the mountain, which significantly improves the structural protection capability of the entire data center and can effectively meet the needs of information data security protection.

[0027] 6. One end of the cold water delivery pipe extends through the cold water pipe inlet channel to the river valley upstream of the protruding mountain outside the river valley, so as to protect the cold water delivery pipe through the cold water pipe inlet channel to prevent the cold water delivery pipe from being damaged by water waves or human factors.

[0028] 7. The liquid heat exchanger takes water from the upstream valley of the convex mountain outside the valley through the cold water inlet component to exchange heat with the coolant flowing through it, and the formed hot water is discharged to the downstream valley of the convex mountain outside the valley through the hot wastewater discharge component. It can be seen that the water intake point and the discharge point are distributed on both sides of the convex mountain outside the valley, which can avoid the hot water discharged from the discharge point causing the water temperature at the water intake point to rise, ensuring that the river water transported to the liquid heat exchanger by the cold water inlet component continues to maintain a low temperature, further ensuring the heat exchange effect between the river water and the coolant in the liquid heat exchanger, and ultimately ensuring the heat dissipation and cooling effect of the coolant on the equipment cabinet.

[0029] 8. In the daily working mode, hydroelectric power generation equipment is used to power the cavern-type data center. If there is excess power, it is stored in batteries and even transmitted to other power-consuming equipment through an external high-voltage power grid. When the hydroelectric power generation equipment fails or the power supply capacity is insufficient, the external high-voltage power grid is used first for power supply. If there is no external high-voltage power grid or the external high-voltage power grid is out of power, batteries are used for power supply. Ensure the green, low-carbon, continuous, safe and stable operation of the ecological cavern-type data center.

[0030] 9. Construct tunnels in the first and second batches according to odd and even numbers to reduce mutual interference between adjacent tunnels during construction.

[0031] 10. Fill the equipment tunnel with harmless and non-flammable gases such as nitrogen, and ensure that the oxygen concentration in the equipment tunnel is less than 15% to avoid fire in the equipment tunnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a plan layout diagram of the equipment tunnel, communication channel, water retaining dam, dam external channel and power distribution tunnel of the present invention; Figure 2 It is a plan layout of the water retaining dam, data center plant roads, road end parking lots, data center external roads and water transport docks of the present invention; Figure 3 This is a layout diagram of the present invention along the horizontal direction of the equipment tunnel; Figure 4 This is a layout diagram of the invention along the longitudinal direction of the power distribution tunnel; Figure 5 This is a layout diagram of the equipment tunnel along the longitudinal direction of the present invention; Figure 6 for Figure 5 A local enlarged view at position I; Figure 7 It is a schematic diagram of the assembly structure of the lining, baffle, support frame, liquid heat exchanger, hot wastewater discharge assembly and cold water delivery pipe of the present invention; Figure 8 This is a block diagram of the power supply principle of the present invention.

[0033] In the figure: 1- river, 2- convex mountain outside the river valley, 3- concave mountain inside the river valley, 4- equipment tunnel, 41- lining, 42- partition, 43- support frame, 45- cold water pipe inlet channel, 5- communication channel, 6- water retaining dam, 61- hydroelectric power generation equipment, 7- dam external channel, 8- power distribution tunnel, 9- data center factory road, 10- road end parking lot, 11- data center external road, 12- voltage conversion equipment, 13- power storage equipment, 14- distribution box, 15-equipment cabinet, 16-liquid heat exchanger, 161-coolant delivery assembly, 1611-coolant cold pipe, 1612-coolant heat pipe, 1613-coolant circulation pump, 163-river water delivery component, 1631-cold water inlet assembly, 16311-cold water delivery pipe, 16312-water pump, 1632-hot wastewater discharge assembly, 16321-hot wastewater discharge pipe, 16322-hot wastewater drainage channel, 17-external high-voltage power grid, 18-water transport terminal. DETAILED DESCRIPTION

[0034] The technical solution of the present invention is further described below, but the scope of protection claimed is not limited to the description.

[0035] like Figures 1 to 8 As shown, a cave-type data center built at a big bend of a river described in the present invention comprises a river 1. When the river 1 flows through the big bend, the mountains on both sides thereof are divided into a convex mountain 2 outside the river valley and a concave mountain 3 inside the river valley, and the two sides of the convex mountain 2 outside the river valley correspond to the upstream and downstream of the river 1. A group of equipment tunnels 4 are arranged in the convex mountain 2 outside the river valley, and the bottom elevation of the equipment tunnel 4 is higher than the highest water level of the river 1 at the big bend. An equipment cabinet 15 and a liquid heat exchanger 16 are arranged in the equipment tunnel 4. The liquid heat exchanger 16 is connected to the equipment cabinet 15 through a coolant conveying component 161. A river water conveying component 163 is connected to the liquid heat exchanger 16, and the river water conveying component 163 is connected to the river valley of the river 1 at the big bend.

[0036] When in use, the bottom elevation of the equipment tunnel 4 is higher than the highest water level of the river 1 at the big bend, so as to prevent the river water from entering the equipment tunnel 4, and effectively ensure the safe operation of the equipment installed in the equipment tunnel 4. The river water is transported to the liquid heat exchanger 16 through the river water transport component 163, and the river water exchanges heat with the coolant in the liquid heat exchanger 16. The coolant after water cooling is transported to the equipment cabinet 15 through the coolant transport component 161, and the equipment cabinet 15 is directly cooled and dissipated. This direct temperature control method significantly improves the heat dissipation and cooling effect of the equipment cabinet 15. Compared with the method of using air to exchange heat with air in the prior art, the heat exchange efficiency is high when water and coolant are used for heat exchange, which can improve the heat dissipation and cooling effect of the coolant on the equipment cabinet 15, and also helps to reduce the operating energy consumption of the cave-type data center. There is no need to add suction fans and air supply fans and other equipment to continuously operate to dissipate heat and cool the equipment cabinet 15, which further reduces the operating energy consumption of the cave-type data center.

[0037] The natural, cold river water around the protruding mountain 2 outside the river valley is fully utilized to exchange heat with the coolant in the liquid heat exchanger 16, and finally the equipment cabinet 15 is cooled and cooled by the coolant, which significantly reduces the operating cost of the cave-type data center.

[0038] The river water conveying component 163 includes a cold water inlet component 1631 and a hot waste water discharge component 1632. One end of the cold water inlet component 1631 is connected to the liquid heat exchanger 16, and the other end extends to the river valley upstream of the big bend. The hot waste water discharge component 1632 is connected to the liquid heat exchanger 16 and extends from the lower end of the equipment tunnel 4 to just above the river valley downstream of the big bend, or extends to the river valley downstream of the big bend. When in use, the river water in the upstream river valley of the convex mountain 2 outside the river valley is conveyed to the liquid heat exchanger 16 through the cold water inlet component 1631 to exchange heat with the coolant, and the hot water formed by the heat exchange in the liquid heat exchanger 16 is discharged to the outside of the equipment tunnel 4 through the hot waste water discharge component 1632.

[0039] A jacket is provided on the outer wall of the equipment cabinet 15; The cooling liquid delivery component 161 includes a cooling liquid cooling pipe 1611 and a cooling liquid heat pipe 1612. The cooling liquid cooling pipe 1611 and the cooling liquid heat pipe 1612 are both connected to the liquid heat exchanger 16 and the jacket on the outer wall of the equipment cabinet 15, and a cooling liquid circulation pump 1613 is provided on the cooling liquid cooling pipe 1611.

[0040] The big bend is U-shaped, and the protruding part of the protruding mountain 2 outside the river valley is not less than 100m in length, not less than 50m in width, and at least 50m higher than the highest water level of the river 1 at the big bend.

[0041] The equipment tunnel 4 group includes a plurality of equipment tunnels 4 arranged side by side, and the equipment tunnels 4 are arranged horizontally along the convex mountain 2 outside the river valley, and the longitudinal slope of the equipment tunnel 4 is not less than 0.3%, and the upper end thereof is arranged near the river valley upstream of the big bend, and the lower end thereof is arranged near the river valley downstream of the big bend. When in use, IT equipment such as equipment cabinets 15 are installed in the equipment tunnel 4; the equipment tunnel 4 is set with a longitudinal slope of not less than 0.3% to ensure that the hot wastewater drainage channel 16322 can naturally and smoothly realize the hot wastewater drainage, which helps to reduce the operating cost of the ecological cavern-type data center.

[0042] The inner wall of the equipment tunnel 4 is provided with a lining 41, and the inner wall of the lining 41 is provided with a partition 42, and the partition 42 divides the space inside the lining 41 into two parts, an upper part and a lower part, and a support frame 43 is provided on the inner wall of the lining 41 above the partition 42. When in use, the partition 42 is used as a force-bearing platform for equipment installation, and equipment such as the liquid heat exchanger 16 and the equipment cabinet 15 are installed on the partition 42. The support frame 43 is used to support the cold water delivery pipe 16311 and other pipelines passing through the equipment tunnel 4.

[0043] A cold water pipe inlet channel 45 is inclined at the bottom of the equipment tunnel 4 near its upper end, and the lower end of the cold water pipe inlet channel 45 passes through the protruding mountain 2 outside the valley and extends to the valley upstream of the big bend, and the upper end passes through the bottom plate of the lining 41.

[0044] The cold water inlet assembly 1631 includes a cold water delivery pipe 16311 and a water pump 16312. One end of the cold water delivery pipe 16311 is connected to the liquid heat exchanger 16, the middle part is erected on the support frame 43, and the other end is arranged along the equipment tunnel 4 and the cold water pipe inlet channel 45, and extends to the river valley upstream of the big bend. The water pump 16312 is installed on the cold water delivery pipe 16311 and is located in the equipment tunnel 4. When in use, one end of the cold water delivery pipe 16311 extends to the river valley upstream of the outer convex mountain 2 of the river valley through the cold water pipe inlet channel 45, so as to form a protection for the cold water delivery pipe 16311 through the cold water pipe inlet channel 45, and prevent the cold water delivery pipe 16311 from being damaged by water waves or human factors. After starting the water pump 16312, the river water in the river valley upstream of the outer convex mountain 2 of the river valley can be pumped to the liquid heat exchanger 16 along the cold water delivery pipe 16311.

[0045] The hot wastewater discharge assembly 1632 includes a hot wastewater drainage channel 16322 and a hot wastewater discharge pipe 16321. The hot wastewater drainage channel 16322 is provided on the bottom plate of the lining 41 and is located directly below the partition 42. One end of the hot wastewater drainage channel 16322 extends from the lower end opening of the equipment tunnel 4 to the outside of the equipment tunnel 4. One end of the hot wastewater discharge pipe 16321 is connected to the liquid heat exchanger 16, and the other end passes through the partition 42 and extends to the top of the hot wastewater drainage channel 16322 or to the inside of the hot wastewater drainage channel 16322. When in use, the cold river water is converted into hot river water after heat exchange with the coolant in the liquid heat exchanger 16. Then, the hot river water is discharged into the hot wastewater drainage channel 16322 through the hot wastewater discharge pipe 16321, and flows to the outside of the equipment tunnel 4 through the hot wastewater drainage channel 16322.

[0046] The liquid heat exchanger 16 takes water from the upstream valley of the convex mountain 2 outside the valley through the cold water inlet component 1631 to exchange heat with the coolant flowing through it, and the formed hot water is discharged into the downstream valley of the convex mountain 2 outside the valley through the hot wastewater discharge component 1632. It can be seen that the water intake point and the discharge point are distributed on both sides of the convex mountain 2 outside the valley, which can avoid the hot water discharged from the discharge point causing the water temperature at the water intake point to rise, and ensure that the river water transported to the liquid heat exchanger 16 by the cold water inlet component 1631 continues to maintain a low temperature, further ensuring the heat exchange effect between the river water and the coolant in the liquid heat exchanger 16, and ultimately ensuring the heat dissipation and cooling effect of the coolant on the equipment cabinet 15.

[0047] A distribution tunnel 8 is provided in the protruding mountain 2 outside the river valley, and the distribution tunnel 8 is located between the equipment tunnel group 4 and the turning point of the big bend. A voltage conversion device 12, a power storage device 13 and a distribution box 14 are provided in the distribution tunnel 8. The voltage conversion device 12 is electrically connected to the external high-voltage power grid 17, and the distribution box 14 and the power storage device 13 are both electrically connected to the voltage conversion device 12, and the distribution box 14 is electrically connected to the power storage device 13.

[0048] A communication channel 5 is provided in the protruding mountain body 2 outside the river valley, and the communication channel 5 connects the power distribution tunnel 8 and all the equipment tunnels 4 .

[0049] A civil air defense command center tunnel is provided in the convex mountain 2 outside the river valley, and the civil air defense command center tunnel is connected to the communication channel 5; Both ends of the power distribution tunnel 8 , both ends of the equipment tunnel 4 , and the connection between the power distribution tunnel 8 , the equipment tunnel 4 and the communication channel 5 are all provided with closed doors.

[0050] A water retaining dam 6 is provided at the turning point of the big bend on the river 1, and the maximum water storage level elevation of the water retaining dam 6 is at least 5m lower than the bottom elevation of the equipment tunnel 4 and the power distribution tunnel 8; The convex mountain 2 outside the river valley is provided with a dam external connection channel 7 connecting the power distribution tunnel 8 and the water retaining dam 6; The water retaining dam 6 is provided with a hydroelectric generating device 61 , and the hydroelectric generating device 61 is electrically connected to the voltage conversion device 12 in the power distribution tunnel 8 via a cable arranged in the external connection channel 7 of the dam.

[0051] When in use, the hydroelectric generating equipment 61 includes a hydroelectric generating set and a step-up transformer, the voltage conversion equipment 12 is a step-down transformer, and the power storage equipment 13 includes a rectifier, a battery, and an inverter. The power outputted by the hydroelectric generating set is stepped up by the step-up transformer and transmitted to the step-down transformer through a cable. The power stepped down by the step-down transformer is directly transmitted to the distribution box 14 in one way to supply power to the power-consuming equipment of the present invention, and is transmitted to the rectifier in the other way, and is rectified by the rectifier and stored in the battery. When a short-term fault occurs in the hydroelectric generating equipment 61, the DC power outputted by the battery is converted into AC power by the inverter and then transmitted to the distribution box 14 to supply power to the power-consuming equipment of the present invention, so as to ensure the continuous, safe, and stable operation of the cave-type data center.

[0052] In addition, if Figure 8 As shown, the step-up transformer is also electrically connected to the external high-voltage power grid 17. In the daily working mode, the hydroelectric power generation equipment 61 is used to power the cavern-type data center. If there is excess power, it is stored in the battery and even transmitted to other power-consuming equipment through the external high-voltage power grid 17. When the hydroelectric power generation equipment 61 fails or the power supply capacity is insufficient, the external high-voltage power grid 17 is used for power supply first; if there is no external high-voltage power grid 17 or the external high-voltage power grid 17 is out of power, the battery is used for power supply. Ensure the green, low-carbon, continuous, safe and stable operation of the ecological cavern-type data center.

[0053] A data center factory road 9 is provided along the edge of the convex mountain 2 outside the river valley. The data center factory road 9 is U-shaped, and road end parking lots 10 are provided at both ends of the data center factory road 9 on the convex mountain 2 outside the river valley. The concave mountain 3 in the river valley is provided with an external data center road 11, and the external data center road 11 is connected to the data center plant road 9 through the dam crest road of the water retaining dam 6. An access control door is provided at one end of the dam crest road of the water retaining dam 6 near the convex mountain 2 outside the river valley. When in use, road end parking lots 10 are provided at both ends of the data center plant road 9 to facilitate parking and U-turn of large vehicles.

[0054] A construction method for a cavernous data center built at a large bend of a river comprises the following steps: Step 1: Select the river 1, the protruding mountain 2 outside the river valley and the concave mountain 3 inside the river valley where the cave-type data center is to be built through investigation, and build the external road 11 of the data center.

[0055] Step 2: Using the external road 11 of the data center as a channel for transporting construction materials, a water retaining dam 6 is constructed, and a channel is reserved inside the water retaining dam 6 for connecting it with the external channel 7 of the dam.

[0056] Step 3: After the water retaining dam 6 is built, the data center factory road 9 and the road end parking lot 10 are built, and the data center factory road 9 is connected with the data center external road 11 through the dam top road of the water retaining dam 6.

[0057] Step 4: Uniformly number the power distribution tunnel 8 and all equipment tunnels 4, and then divide the tunnels into the first batch and the second batch according to odd and even numbers. During construction, the data center external road 11 and the data center factory road 9 are used as the transportation channels for construction materials. Divide the tunnels into the first batch and the second batch according to odd and even numbers to reduce mutual interference between adjacent tunnels during construction.

[0058] Step 5: After the first batch of tunnels are connected, the second batch of tunnels can be constructed. Due to the terrain restrictions of the convex mountain 2 outside the river valley, the length of the tunnel is relatively limited. Therefore, the second batch of tunnels can be constructed after the first batch of tunnels are connected.

[0059] Step 6: Start constructing the communication channel 5 from the equipment tunnel 4, and start constructing the dam external channel 7 from the power distribution tunnel 8.

[0060] Step 7: Complete the installation and connection of equipment in the power distribution tunnel 8 and the equipment tunnel 4 , and electrically connect the hydroelectric power generation equipment 61 with the voltage conversion equipment 12 .

[0061] Step 8: Install closed doors at both ends of the distribution tunnel 8, both ends of the equipment tunnel 4, and at the connection between the distribution tunnel 8 and the equipment tunnel 4 and the communication channel 5, and install access control on the dam top road of the water retaining dam 6.

[0062] During construction, the equipment tunnel 4 and the power distribution tunnel 8 are excavated simultaneously from both ends and penetrated in the middle of the protruding mountain 2 outside the river valley, and the penetration time of the same batch of tunnels should be staggered.

[0063] A method for operating a cavernous data center built at a large bend of a river comprises the following steps: Step A, closing the closed door at the opening of the equipment tunnel 4 and the closed door at the connection between the equipment tunnel 4 and the communication channel 5, and filling the equipment tunnel 4 with non-flammable gas; Step B, start the coolant circulation pump 1613 to circulate the coolant in the jacket on the outer wall of the equipment cabinet 15, the coolant cold pipe 1611, the coolant heat pipe 1612 and the liquid heat exchanger 16; Step C, start the water pump 16312 to transport the river water in the upstream valley of the protruding mountain 2 outside the valley to the liquid heat exchanger 16 for heat exchange with the coolant. The coolant that has completed the heat exchange in the liquid heat exchanger 16 flows back to the jacket on the outer wall of the equipment cabinet 15 to continue to cool and dissipate the equipment cabinet 15. The water that has completed the heat exchange in the liquid heat exchanger 16 is first discharged into the hot wastewater drainage channel 16322 through the hot wastewater discharge pipe 16321, and then discharged into the downstream valley of the protruding mountain 2 outside the valley through the hot wastewater drainage channel 16322.

[0064] The non-combustible gas filled into the equipment tunnel 4 is nitrogen, and after the nitrogen is filled into the equipment tunnel 4, the internal oxygen concentration is lower than 15%. When in use, the minimum oxygen concentration for combustion of electrical equipment is 15%. The combustion of combustibles is an oxidation reaction, which requires an oxygen concentration above the minimum to proceed. When it is lower than 15%, the combustion cannot be maintained and the fire is extinguished.

[0065] Therefore, nitrogen and other harmless and non-flammable gases are filled into the equipment tunnel 4, and the oxygen concentration in the equipment tunnel 4 is ensured to be less than 15%, thereby avoiding fire in the equipment tunnel 4. There are usually fewer staff in the data center, and if they need to enter the equipment tunnel 4, they can enter after wearing oxygen supply equipment.

[0066] When the equipment tunnel 4 needs to be ventilated, the closed doors at the openings at both ends thereof can be opened.

[0067] In addition, if Figure 2 As shown, a water transport wharf 18 is built on the convex mountain 2 outside the river valley near the water retaining dam 6, and the water transport wharf 18 is located on the upstream side of the water retaining dam 6. In order to use the water transport wharf 18 as another mode of transportation for data center materials, large equipment, etc.

Claims

1. A cavernous data center built at a large bend in a river, characterized by: The invention comprises a river (1), wherein the mountains on both sides of the river (1) are divided into a convex mountain outside the river valley (2) and a concave mountain inside the river valley (3) when the river (1) flows through a large bend, and the two sides of the convex mountain outside the river valley (2) correspond to the upstream and downstream of the river (1), and a group of equipment tunnels (4) are arranged in the convex mountain outside the river valley (2), and the bottom elevation of the equipment tunnel (4) is higher than the highest water level of the river (1) at the large bend, and the equipment tunnel (4) is arranged in the equipment cabinet (15) and a liquid heat exchanger (16), and the liquid heat exchanger (16) is connected to the equipment cabinet (15) through a coolant conveying component (161), and the liquid heat exchanger (16) is connected to a river water conveying component (163), and the river water conveying component (163) is connected to the river valley of the river (1) at the large bend; The river water transport component (163) comprises a cold water inlet component (1631) and a hot waste water discharge component (1632); one end of the cold water inlet component (1631) is connected to the liquid heat exchanger (16), and the other end extends to the river valley upstream of the big bend; the hot waste water discharge component (1632) is connected to the liquid heat exchanger (16), and extends from the lower end of the equipment tunnel (4) to just above the river valley downstream of the big bend, or extends to the river valley downstream of the big bend; The outer wall of the equipment cabinet (15) is provided with a jacket; The cooling liquid transport component (161) comprises a cooling liquid cooling pipe (1611) and a cooling liquid heat pipe (1612); the cooling liquid cooling pipe (1611) and the cooling liquid heat pipe (1612) are both connected to the liquid heat exchanger (16) and the jacket on the outer wall of the equipment cabinet (15); and a cooling liquid circulation pump (1613) is provided on the cooling liquid cooling pipe (1611).

2. The cavernous data center built at a big bend of a river as claimed in claim 1, characterized in that: The big bend is U-shaped, and the protruding part of the convex mountain (2) outside the river valley is not less than 100m in length, not less than 50m in width, and at least 50m higher than the highest water level of the river (1) at the big bend.

3. The cavernous data center built at a big bend of a river as claimed in claim 1, characterized in that: The equipment tunnel (4) group comprises a plurality of equipment tunnels (4) arranged side by side, and the equipment tunnels (4) are arranged transversely along the convex mountain (2) outside the river valley, the longitudinal slope of the equipment tunnel (4) is not less than 0.3%, and the upper end is arranged close to the river valley upstream of the big bend, and the lower end is arranged close to the river valley downstream of the big bend.

4. The cavernous data center built at a big bend of a river as claimed in claim 3, characterized in that: A lining (41) is provided on the inner wall of the equipment tunnel (4), a partition (42) is provided on the inner wall of the lining (41), and the partition (42) divides the space inside the lining (41) into upper and lower parts, and a support frame (43) is provided on the inner wall of the lining (41) above the partition (42).

5. The cavernous data center built at a big bend of a river as claimed in claim 4, characterized in that: A cold water pipe inlet channel (45) is provided at an angle at the bottom of the equipment tunnel (4) near its upper end, and the lower end of the cold water pipe inlet channel (45) passes through the convex mountain (2) outside the river valley and extends into the river valley upstream of the big bend, and the upper end passes through the bottom plate of the lining (41).

6. The cavernous data center built at a river bend as claimed in claim 1, characterized in that: The cold water inlet assembly (1631) comprises a cold water delivery pipe (16311) and a water pump (16312); one end of the cold water delivery pipe (16311) is connected to the liquid heat exchanger (16); the middle portion is mounted on a support frame (43); the other end is arranged along the equipment tunnel (4) and the cold water pipe inlet channel (45), and extends to the river valley upstream of the big bend; the water pump (16312) is installed on the cold water delivery pipe (16311) and is located in the equipment tunnel (4).

7. The cavernous data center built at a big bend of a river as claimed in claim 1, characterized in that: The hot wastewater discharge assembly (1632) comprises a hot wastewater drainage channel (16322) and a hot wastewater discharge pipe (16321). The hot wastewater drainage channel (16322) is arranged on the bottom plate of the lining (41) and is located directly below the partition (42). One end of the hot wastewater drainage channel (16322) extends from the lower end opening of the equipment tunnel (4) to the outside of the equipment tunnel (4). One end of the hot wastewater drainage pipe (16321) is connected to the liquid heat exchanger (16), and the other end passes through the partition (42) and then extends to directly above the hot wastewater drainage channel (16322) or to the inside of the hot wastewater drainage channel (16322).

8. The cavernous data center built at a big bend of a river as claimed in claim 1, characterized in that: A power distribution tunnel (8) is provided in the convex mountain (2) outside the river valley, and the power distribution tunnel (8) is located between the equipment tunnel (4) group and the turning point of the large bend. A voltage conversion device (12), a power storage device (13) and a distribution box (14) are provided in the power distribution tunnel (8). The voltage conversion device (12) is electrically connected to an external high-voltage power grid (17), the distribution box (14) and the power storage device (13) are both electrically connected to the voltage conversion device (12), and the distribution box (14) is electrically connected to the power storage device (13).

9. The cavern-type data center built at a big bend of a river as claimed in claim 8, characterized in that: A communication channel (5) is provided in the convex mountain body (2) outside the river valley, and the communication channel (5) is connected to the power distribution tunnel (8) and all the equipment tunnels (4).

10. The cavern-type data center built at a big bend of a river as claimed in claim 9, characterized in that: A civil air defense command center tunnel is provided in the protruding mountain (2) outside the river valley, and the civil air defense command center tunnel is connected to the communication channel (5); Both ends of the power distribution tunnel (8), both ends of the equipment tunnel (4), and the connection between the power distribution tunnel (8) and the equipment tunnel (4) and the communication channel (5) are all provided with closed doors.

11. The cavern-type data center built at a big bend of a river as claimed in claim 8, characterized in that: A water retaining dam (6) is provided at the turning point of the big bend on the river (1), and the maximum water storage level elevation of the water retaining dam (6) is at least 5 m lower than the bottom elevation of the equipment tunnel (4) and the power distribution tunnel (8); The convex mountain body (2) outside the river valley is provided with a dam external connection passage (7) connecting the power distribution tunnel (8) and the water retaining dam (6); The water retaining dam (6) is provided with a hydroelectric power generation device (61), and the hydroelectric power generation device (61) is electrically connected to a voltage conversion device (12) in a power distribution tunnel (8) via a cable arranged in an external channel (7) of the dam.

12. The cavern-type data center built at a big bend of a river as claimed in claim 11, characterized in that: A data center factory road (9) is provided along the edge of the convex mountain (2) outside the river valley, the data center factory road (9) is U-shaped, and road end parking lots (10) are provided at both ends of the data center factory road (9) on the convex mountain (2) outside the river valley; An external data center road (11) is provided on the concave mountain (3) in the river valley, and the external data center road (11) is connected to the data center factory road (9) via a dam crest road of a water retaining dam (6). An access control gate is provided on the dam crest road of the water retaining dam (6) at one end close to the convex mountain (2) outside the river valley.

13. A construction method for a cavernous data center built at a large bend of a river as claimed in any one of claims 1 to 12, characterized in that: The following steps are involved: Step 1: Select the river (1), the convex mountain outside the river valley (2), and the concave mountain inside the river valley (3) where the cave-type data center is to be built through survey, and build an external road for the data center (11); Step 2: Using the external road (11) of the data center as a channel for transporting construction materials, a water retaining dam (6) is constructed, and a channel is reserved inside the water retaining dam (6) for connecting it with the external channel (7) of the dam; Step 3: After the water retaining dam (6) is completed, a data center factory road (9) and a parking lot (10) at the end of the road are constructed, and the data center factory road (9) is connected to the data center external road (11) through the dam top road of the water retaining dam (6); Step 4: uniformly number the power distribution tunnel (8) and all equipment tunnels (4), and then divide the tunnels into the first batch and the second batch according to the odd and even numbers. During the construction, the data center external road (11) and the data center factory road (9) are used as the transportation channels for construction materials; Step 5: After the first batch of tunnels are completed, the second batch of tunnels will be constructed; Step 6: Start construction of the communication channel (5) from the equipment tunnel (4), and start construction of the dam external channel (7) from the power distribution tunnel (8); Step 7: Complete the installation and connection of equipment in the power distribution tunnel (8) and the equipment tunnel (4), and electrically connect the hydroelectric power generation equipment (61) and the voltage conversion equipment (12); Step 8: Install closed doors at both ends of the power distribution tunnel (8), at both ends of the equipment tunnel (4), and at the connection between the power distribution tunnel (8) and the equipment tunnel (4) and the communication channel (5), and install access control on the dam crest road of the water retaining dam (6).

14. A method for operating a cavernous data center built at a large bend of a river as claimed in any one of claims 1 to 12, characterized in that: The following steps are involved: Step A, closing the closed door at the opening of the equipment tunnel (4) and the closed door at the connection point between the equipment tunnel (4) and the communication channel (5), and filling the equipment tunnel (4) with non-flammable gas; Step B, starting the coolant circulation pump (1613) to allow the coolant to circulate in the jacket on the outer wall of the equipment cabinet (15), the coolant cold pipe (1611), the coolant heat pipe (1612) and the liquid heat exchanger (16); Step C, start the water pump (16312) to transport the river water in the upstream river valley of the convex mountain (2) outside the river valley to the liquid heat exchanger (16) for heat exchange with the coolant. The coolant in the liquid heat exchanger (16) that has completed the heat exchange flows back to the jacket on the outer wall of the equipment cabinet (15) to continue cooling and dissipating the heat of the equipment cabinet (15). The water in the liquid heat exchanger (16) that has completed the heat exchange is first discharged into the hot wastewater drainage channel (16322) through the hot wastewater discharge pipe (16321), and then discharged into the downstream river valley of the convex mountain (2) outside the river valley through the hot wastewater drainage channel (16322).

15. The method for operating a cavernous data center built at a large bend of a river as claimed in claim 14, characterized in that: The non-flammable gas filled into the equipment tunnel (4) is nitrogen, and after the nitrogen is filled into the equipment tunnel (4), the oxygen concentration inside the equipment tunnel (4) is lower than 15%.

16. The method for operating a cavernous data center built at a large bend of a river as claimed in claim 14, characterized in that: When the equipment tunnel (4) needs to be ventilated, the closed doors at the openings at both ends thereof can be opened.

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