A cave-type data center built at a large bend of a river, and its construction method and operation method

Abstract

The present invention discloses a cave-type data center built at a big bend of a river and its construction method and operation method, which belong to the technical field of cave-type data center construction. The data center includes a river, and 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, and the convex mountains outside the river valley are provided with a group of equipment tunnels, and the bottom elevation of the equipment tunnel is higher than the highest water level of the river at the big bend, and the equipment tunnel is provided with an equipment cabinet and a liquid heat exchanger, and the liquid heat exchanger is connected to the equipment cabinet through a coolant conveying component, and the liquid heat exchanger is connected to a river water conveying component, and the river water conveying component is connected to the river valley at the big bend of the river. Water and coolant are used for heat exchange, and the heat exchange efficiency is high, which can improve the heat dissipation and cooling effect of the coolant on the equipment cabinet, and reduce the operating energy consumption of the cave-type data center.

Description

Technical Field

[0001] The present invention relates to a cave - type data center constructed at a large bend of a river, and its construction method and operation method, belonging to the technical field of cave - type data center construction. Background Art

[0002] As a carrier of massive data, the demand for data centers has increased significantly, and its construction market will be in a rapid development stage for a long time. To meet the requirements of the safety performance of data centers, Guizhou region has proposed and constructed a cave - type data center integrally buried inside a mountain. Using the external mountain as a shield, it is significantly superior to other types of data centers in terms of structural protection ability and has become a new direction for the development of data centers. However, the mountain outside the cave - type data center is relatively enclosed and cannot meet the rapid heat dissipation requirements of the IT equipment in the data center.

[0003] To ensure the normal operation of the cave - type data center, an air - cooling heat dissipation solution using a ventilation shaft group has been proposed and successfully implemented. For example, the Chinese patent document with the publication number CN118292682A discloses a combined ecological building complex for a cave - type data center. During operation, when the computers in the horizontal data center chamber are working, heat is continuously generated, causing the air to rise steadily and accumulate in the arch of the horizontal data center chamber. At this time, the ceiling suction fan absorbs the hot air accumulated at the top of the cross - section of the horizontal data center chamber and transmits it through the hot air delivery pipe to the first heat exchanger. 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 relatively evenly diffuses it into the horizontal data center chamber through the side - standing air supply fans arranged at the side wall position of the horizontal data center chamber, thus realizing the temperature control adjustment of the horizontal data center chamber.

[0004] However, this cave - type data center still has the following deficiencies:

[0005] First, by regulating the air temperature in the horizontal data center chamber to achieve the purpose of cooling and dissipating heat from the IT equipment in the data center, this indirect temperature control method has extremely limited effects on the heat dissipation and cooling of the IT equipment.

[0006] Second, the air in the horizontal data center chamber exchanges heat with the IT equipment, the first heat exchanger, and inside the first heat exchanger using air, with low heat exchange efficiency, further reducing the heat dissipation and cooling effects of the air in the horizontal data center chamber on the IT equipment, and causing an increase in the operating energy consumption of the cave - type data center.

[0007] Third, the continuous operation of the additional ceiling suction fans and side - standing air supply fans will also cause an increase in the operating energy consumption of the cave - type data center. Summary of the Invention

[0008] To solve the above technical problems, the present invention provides a cave - type data center built at a large bend of a river, as well as its construction method and operation method.

[0009] The present invention is achieved through the following technical solutions:

[0010] A cave - type data center built at a large bend of a river, including a river. When the river flows through the large bend, the mountains on both sides are divided into a valley - convex mountain and a valley - concave mountain. The two sides of the valley - convex mountain correspond to the upstream and downstream of the river respectively. An equipment tunnel group is arranged in the valley - convex mountain, and the bottom elevation of the equipment tunnel is higher than the highest water level of the river at the large 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 delivery component, and a river water delivery component is connected to the liquid heat exchanger, and the river water delivery component is connected to the river valley at the large bend of the river;

[0011] The river water delivery component includes a cold water inlet component and a hot waste water discharge component. One end of the cold water inlet component is connected to the liquid heat exchanger, and the other end extends into the river valley upstream of the large bend. The hot waste water discharge component is connected to the liquid heat exchanger and extends from the lower end of the equipment tunnel to directly above the river valley downstream of the large bend, or extends into the river valley downstream of the large bend;

[0012] A jacket is provided on the outer wall of the equipment cabinet;

[0013] The coolant delivery component includes a coolant cold pipe and a coolant heat pipe. Both the coolant cold pipe and the coolant heat pipe 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.

[0014] The large bend is U - shaped. The length of the protruding part of the valley - convex mountain is not less than 100 m, the width is not less than 50 m, and the height is at least 50 m higher than the highest water level of the river at the large bend.

[0015] The equipment tunnel group includes a plurality of equipment tunnels arranged side by side, and the equipment tunnels are arranged horizontally along the valley - convex mountain. The longitudinal slope of the equipment tunnel is not less than 0.3%, and its upper end is arranged close to the river valley upstream of the large bend, and the lower end is arranged close to the river valley downstream of the large bend.

[0016] A lining is provided on the inner wall of the equipment tunnel. A partition is provided on the inner wall of the lining, and the partition divides the space inside the lining into upper and lower parts. A support frame is provided above the partition on the inner wall of the lining.

[0017] At a position near the upper end of the bottom of the equipment tunnel, a cold water pipe inlet channel is inclinedly arranged, and the lower end of the cold water pipe inlet channel passes through the convex mountain body outside the river valley and extends into the river valley upstream of the big bend, and the upper end penetrates through the bottom slab of the lining.

[0018] 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 erected on the support frame, the other end is arranged along the equipment tunnel and the cold water pipe inlet channel, and extends into the river valley upstream of the big bend. The water pump is installed on the cold water delivery pipe and is located inside the equipment tunnel.

[0019] The hot waste water discharge assembly includes a hot waste water drainage channel and a hot waste water discharge pipe. The hot waste water drainage channel is arranged on the bottom slab of the lining and is located directly below the partition board. One end of the hot waste water drainage channel extends from the lower end opening of the equipment tunnel to the outside of the equipment tunnel. One end of the hot waste water discharge pipe is connected to the liquid heat exchanger, and the other end extends to directly above the hot waste water drainage channel or extends into the hot waste water drainage channel after penetrating through the partition board.

[0020] A power distribution tunnel is arranged in the convex mountain body outside the river valley, and the power distribution tunnel is located between the inflection point of the equipment tunnel group and the big bend. A voltage conversion device, a power storage device and a distribution box are arranged in the power distribution tunnel. The voltage conversion device is electrically connected to the external high-voltage power grid. Both the distribution box and the power storage device are electrically connected to the voltage conversion device, and the distribution box is electrically connected to the power storage device.

[0021] A connection channel is arranged in the convex mountain body outside the river valley, and the connection channel connects the power distribution tunnel and all the equipment tunnels.

[0022] A civil air defense command center tunnel is arranged in the convex mountain body outside the river valley, and the civil air defense command center tunnel is connected to the connection channel;

[0023] Sealing doors are arranged at both ends of the power distribution tunnel, both ends of the equipment tunnel, and the connection points of the power distribution tunnel and the equipment tunnel with the connection channel.

[0024] A water retaining dam is arranged at the inflection point of the big bend on the river, and the maximum water storage level elevation of the water retaining dam is at least 5 m lower than the bottom surface elevation of the equipment tunnel and the power distribution tunnel;

[0025] A dam external connection channel connecting the power distribution tunnel and the water retaining dam is arranged in the convex mountain body outside the river valley;

[0026] A hydraulic power generation device is arranged in the water retaining dam, and the hydraulic power generation device is electrically connected to the voltage conversion device in the power distribution tunnel through a cable arranged in the dam external connection channel.

[0027] 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;

[0028] 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.

[0029] A construction method for a cavernous data center built at a large bend of a river comprises the following steps:

[0030] 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;

[0031] 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;

[0032] 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;

[0033] 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;

[0034] Step 5: After the first batch of tunnels are completed, the second batch of tunnels will be constructed;

[0035] 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;

[0036] 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;

[0037] 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.

[0038] A method for operating a cavernous data center built at a large bend of a river comprises the following steps:

[0039] 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;

[0040] Step B: Start the coolant circulation pump to make the coolant circulate in the jacket on the outer wall of the equipment cabinet, the coolant cold pipe, the coolant heat pipe and the liquid heat exchanger.

[0041] Step C: Start the water pump to transport the river water in the upper reaches of the river valley outside the convex mountain body of the river valley to the liquid heat exchanger for heat exchange with the coolant. The coolant that has completed heat exchange in the liquid heat exchanger flows back to the jacket on the outer wall of the equipment cabinet to continue cooling and dissipating heat from the equipment cabinet. The water that has completed heat exchange in the liquid heat exchanger is first discharged into the hot waste water drainage channel through the hot waste water discharge pipe, and then discharged into the lower reaches of the river valley outside the convex mountain body of the river valley through the hot waste water drainage channel.

[0042] The non-combustible gas filled in the equipment tunnel is nitrogen, and after filling nitrogen into the equipment tunnel, the oxygen concentration inside is lower than 15%.

[0043] When the equipment tunnel needs to be ventilated, just open the closing doors at both ends of the tunnel.

[0044] The beneficial effects of the present invention are as follows:

[0045] 1. The river water is transported to the liquid heat exchanger through the river water transportation component, and the river water exchanges heat with the coolant in the liquid heat exchanger. The coolant cooled by water is transported to the equipment cabinet through the coolant transportation component to directly cool and dissipate heat from the equipment cabinet. This direct temperature control method significantly improves the heat dissipation and cooling effect on the equipment cabinet.

[0046] 2. Using water to exchange heat with the coolant has a high heat exchange efficiency, which can improve the heat dissipation and cooling effect of the coolant on the equipment cabinet, and also helps to reduce the operating energy consumption of the cave-type data center.

[0047] 3. Making full use of the natural and cold river water around the convex mountain body of the river valley to exchange heat with the coolant in the liquid heat exchanger, and finally realizing heat dissipation and cooling of the equipment cabinet through the coolant, significantly reduces the operating cost of the cave-type data center.

[0048] 4. Set a longitudinal slope of not less than 0.3% to ensure that the hot waste water drainage channel can naturally and smoothly discharge the hot waste water, which helps to reduce the operating cost of the ecological cave-type data center.

[0049] 5. The main structure of the data center is mainly set inside the mountain body, which significantly improves the structural protection ability of the entire data center and can effectively meet the information data security protection requirements.

[0050] 6. One end of the cold water delivery pipe extends into the river valley upstream of the convex mountain outside the river valley through the cold water pipe inlet channel, so as to protect the cold water delivery pipe through the cold water pipe inlet channel and avoid damage to the cold water delivery pipe caused by water waves or human factors, etc.

[0051] 7. The liquid heat exchanger takes water from the river valley upstream of the convex mountain outside the river valley through the cold water inlet assembly and exchanges heat with the coolant flowing through its interior. The formed hot water is discharged into the downstream river valley of the convex mountain outside the river valley through the hot waste water discharge assembly. It can be seen that the water intake point and the drainage point are distributed on both sides of the convex mountain outside the river valley, which can avoid the hot water discharged from the discharge point from causing the water temperature at the water intake point to rise, ensure that the river water delivered by the cold water inlet assembly to the liquid heat exchanger continuously remains at a relatively low temperature, further guarantee the heat exchange effect between the river water and the coolant in the liquid heat exchanger, and ultimately ensure the heat dissipation and cooling effect of the coolant on the equipment cabinet.

[0052] 8. In the daily working mode, the hydroelectric power generation equipment is used to supply power to the cave-type data center. If there is surplus power, it is stored in the battery, and even transmitted to other electrical equipment through the 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 preferentially used for power supply; if there is no external high-voltage power grid or the external high-voltage power grid is powered off, the battery is used for power supply. Ensure the green, low-carbon, continuous, safe and stable operation of the ecological cave-type data center.

[0053] 9. The construction tunnels are divided into the first batch and the second batch according to odd and even numbers to reduce the mutual interference between adjacent tunnels during construction.

[0054] 10. Inert and non-flammable gases such as nitrogen are filled into the equipment tunnel, and it is ensured that the oxygen concentration in the equipment tunnel is lower than 15%, so as to avoid fires in the equipment tunnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0055] Figure 1 It is the plan layout drawing of the equipment tunnel, connecting passage, water retaining dam, external passage of the dam and distribution tunnel of the present invention;

[0056] Figure 2 It is the plan layout drawing of the water retaining dam, data center factory road, road end parking lot, external road of the data center and water transport wharf of the present invention;

[0057] Figure 3 It is the layout drawing along the transverse direction of the equipment tunnel of the present invention;

[0058] Figure 4 It is the layout drawing along the longitudinal direction of the distribution tunnel of the present invention;

[0059] Figure 5 It is the layout drawing along the longitudinal direction of the equipment tunnel of the present invention;

[0060] Figure 6 For Figure 5 Partial enlarged view at I;

[0061] Figure 7 Schematic assembly structure diagram of the lining, partition, support frame, liquid heat exchanger, hot wastewater discharge component and cold water delivery pipe of the present invention;

[0062] Figure 8 Block diagram of the power supply principle of the present invention.

[0063] In the figure: 1 - river, 2 - valley convex mountain body, 3 - valley concave mountain body, 4 - equipment tunnel, 41 - lining, 42 - partition, 43 - support frame, 45 - cold water pipe inlet channel, 5 - connection channel, 6 - water retaining dam, 61 - hydroelectric power generation equipment, 7 - external channel of the dam, 8 - distribution tunnel, 9 - data center factory road, 10 - road end parking lot, 11 - external road of the data center, 12 - voltage conversion equipment, 13 - power storage equipment, 14 - distribution box, 15 - equipment cabinet, 16 - liquid heat exchanger, 161 - coolant delivery component, 1611 - coolant cold pipe, 1612 - coolant heat pipe, 1613 - coolant circulation pump, 163 - river water delivery component, 1631 - cold water inlet component, 16311 - cold water delivery pipe, 16312 - water pump, 1632 - hot wastewater discharge component, 16321 - hot wastewater discharge pipe, 16322 - hot wastewater drainage channel, 17 - external high-voltage power grid, 18 - water transportation terminal. Specific embodiments

[0064] The technical solution of the present invention will be further described below, but the scope of protection is not limited thereto.

[0065] As Figures 1 to 8 shown, a cave-type data center built at a large bend of a river according to the present invention includes a river 1. When the river 1 flows through the large bend, the mountains on both sides are divided into a valley convex mountain body 2 and a valley concave mountain body 3. The upstream and downstream of the river 1 correspond to both sides of the valley convex mountain body 2. An equipment tunnel 4 group is provided in the valley convex mountain body 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. An equipment cabinet 15 and a liquid heat exchanger 16 are provided in the equipment tunnel 4. The liquid heat exchanger 16 is connected to the equipment cabinet 15 through a coolant delivery component 161. A river water delivery component 163 is connected to the liquid heat exchanger 16, and the river water delivery component 163 is connected to the valley of the river 1 at the large bend.

[0066] 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.

[0067] 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.

[0068] 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.

[0069] A jacket is provided on the outer wall of the equipment cabinet 15;

[0070] 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.

[0071] 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.

[0072] The device tunnel group 4 includes a plurality of device tunnels 4 arranged side by side, and the device tunnels 4 are arranged transversely along the valley convex mountain body 2. The longitudinal slope of the device tunnel 4 is not less than 0.3%, and its upper end is arranged near the valley upstream of the large bend, and the lower end is arranged near the valley downstream of the large bend. During use, IT devices such as device cabinets 15 are installed in the device tunnel 4; the device tunnel 4 is provided with a longitudinal slope of not less than 0.3% to ensure that the hot wastewater drainage channel 16322 can naturally and smoothly achieve the drainage of hot wastewater, which helps to reduce the operating cost of the ecological cave data center.

[0073] A lining 41 is provided on the inner wall of the device 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. A support frame 43 is provided above the partition 42 on the inner wall of the lining 41. During use, the partition 42 is used as a stress platform for equipment installation, and equipment such as the liquid heat exchanger 16 and the device 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 device tunnel 4.

[0074] A cold water pipe inlet channel 45 is inclined at the bottom of the device tunnel 4 near its upper end, and the lower end of the cold water pipe inlet channel 45 passes through the valley convex mountain body 2 and extends into the valley upstream of the large bend, and the upper end penetrates the bottom plate of the lining 41.

[0075] 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 mounted on the support frame 43, the other end is arranged along the device tunnel 4 and the cold water pipe inlet channel 45, and extends into the valley upstream of the large bend. The water pump 16312 is installed on the cold water delivery pipe 16311 and is located inside the device tunnel 4. During use, one end of the cold water delivery pipe 16311 extends into the valley upstream of the valley convex mountain body 2 through the cold water pipe inlet channel 45 to protect 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 valley upstream of the valley convex mountain body 2 can be pumped along the cold water delivery pipe 16311 to the liquid heat exchanger 16.

[0076] 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 directly below the partition plate 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 extends to directly above the hot wastewater drainage channel 16322 or into the hot wastewater drainage channel 16322 after passing through the partition plate 42. During use, the cold river water exchanges heat with the coolant in the liquid heat exchanger 16 and then becomes hot river water. Then, the hot river water is discharged into the hot wastewater drainage channel 16322 through the hot wastewater discharge pipe 16321 and flows out of the equipment tunnel 4 through the hot wastewater drainage channel 16322.

[0077] The liquid heat exchanger 16 takes water from the upstream river valley of the convex mountain body 2 outside the river valley through the cold water inlet assembly 1631 and exchanges heat with the coolant flowing through its interior. The formed hot water is then discharged into the downstream river valley of the convex mountain body 2 of the river valley through the hot wastewater discharge assembly 1632. Thus, it can be seen that the water intake point and the drainage point are distributed on both sides of the convex mountain body 2 of the river valley, which can prevent the hot water discharged at the drainage point from causing the water temperature at the water intake point to rise, ensure that the river water delivered by the cold water inlet assembly 1631 to the liquid heat exchanger 16 continuously remains at a relatively low temperature, further guarantee the heat exchange effect between the river water and the coolant in the liquid heat exchanger 16, and ultimately ensure the heat dissipation and cooling effect of the coolant on the equipment cabinet 15.

[0078] A power distribution tunnel 8 is provided inside the convex mountain body 2 of the river valley, and the power distribution tunnel 8 is located between the equipment tunnel 4 group and the inflection point of the large bend. A voltage conversion device 12, a power storage device 13, and a distribution box 14 are provided inside the power distribution tunnel 8. The voltage conversion device 12 is electrically connected to the external high-voltage power grid 17. Both the distribution box 14 and the power storage device 13 are electrically connected to the voltage conversion device 12, and the distribution box 14 is electrically connected to the power storage device 13.

[0079] A connection tunnel 5 is provided inside the convex mountain body 2 of the river valley, and the connection tunnel 5 connects the power distribution tunnel 8 and all the equipment tunnels 4.

[0080] A civil air defense command center tunnel is provided inside the convex mountain body 2 of the river valley, and the civil air defense command center tunnel is connected to the connection tunnel 5;

[0081] Sealing doors are provided at both ends of the power distribution tunnel 8, both ends of the equipment tunnel 4, and the connection points between the power distribution tunnel 8 and the equipment tunnel 4 and the connection tunnel 5.

[0082] A water retaining dam 6 is provided at the inflection point of the large 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;

[0083] A dam external connection channel 7 communicating the power distribution tunnel 8 and the water retaining dam 6 is provided in the valley convex mountain body 2;

[0084] A hydraulic power generation device 61 is provided in the water retaining dam 6, and the hydraulic power generation device 61 is electrically connected to a voltage conversion device 12 in the power distribution tunnel 8 through a cable arranged in the dam external connection channel 7.

[0085] During use, the hydraulic power generation device 61 includes a hydraulic generator set and a step-up transformer, the voltage conversion device 12 is a step-down transformer, and the power storage device 13 includes a rectifier, a storage battery and an inverter. The electricity output by the hydraulic generator set is stepped up by the step-up transformer and transmitted to the step-down transformer through a cable. The electricity stepped down by the step-down transformer is directly transmitted to a distribution box 14 for one path to supply power to the electrical equipment of the present invention, and the other path is transmitted to the rectifier and stored in the storage battery after being rectified by the rectifier. When the hydraulic power generation device 61 has a short-term fault, the direct current output by the storage battery is converted into alternating current by the inverter and transmitted to the distribution box 14 to supply power to the electrical equipment of the present invention, ensuring the continuous, safe and stable operation of the cave depot type data center.

[0086] In addition, as Figure 8 shown, the step-up transformer is also electrically connected to an external high-voltage power grid 17. In the daily working mode, the hydraulic power generation device 61 is used to supply power to the cave depot type data center. If there is surplus power, it is stored in the storage battery and even transmitted to other electrical equipment through the external high-voltage power grid 17; when the hydraulic power generation device 61 fails or the power supply capacity is insufficient, the external high-voltage power grid 17 is preferentially used for power supply; if there is no external high-voltage power grid 17 or the external high-voltage power grid 17 has a power outage, the storage battery is used for power supply. Ensure the green, low-carbon, continuous, safe and stable operation of the ecological cave depot type data center.

[0087] A data center factory area road 9 is provided along the edge of the valley convex mountain body 2. The data center factory area road 9 is U-shaped, and road end parking lots 10 are provided at both ends of the data center factory area road 9 on the valley convex mountain body 2;

[0088] A data center external road 11 is provided on the valley concave mountain body 3, and the data center external road 11 is connected to the data center factory area road 9 through the dam top road of the water retaining dam 6. An access management access control is provided at one end of the dam top road of the water retaining dam 6 close to the valley convex mountain body 2. During use, road end parking lots 10 are arranged at both ends of the data center factory area road 9 to facilitate the parking and turning around of large vehicles.

[0089] A construction method of a cave depot type data center built at a large bend of a river includes the following steps:

[0090] 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.

[0091] 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.

[0092] 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.

[0093] 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.

[0094] 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.

[0095] 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.

[0096] 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 .

[0097] 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.

[0098] 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.

[0099] A method for operating a cavernous data center built at a large bend of a river comprises the following steps:

[0100] 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;

[0101] Step B: Start the coolant circulation pump 1613 to make the coolant 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.

[0102] Step C: Start the water pump 16312 to transport the river water in the upper reaches of the river valley of the valley convex mountain 2 outside the river to the liquid heat exchanger 16 for heat exchange with the coolant. The coolant that has completed heat exchange in the liquid heat exchanger 16 flows back to the jacket on the outer wall of the equipment cabinet 15 to continue cooling and dissipating heat from the equipment cabinet 15. The water that has completed 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 lower reaches of the river valley of the valley convex mountain 2 through the hot wastewater drainage channel 16322.

[0103] The non-combustible gas filled in the equipment tunnel 4 is nitrogen, and after filling nitrogen into the equipment tunnel 4, the internal oxygen concentration is lower than 15%. During use, the minimum oxygen concentration for the combustion of electrical equipment is 15%. The combustion of combustibles is an oxidation process that requires a concentration above the minimum oxygen concentration to occur. When it is lower than 15%, combustion cannot be maintained and the fire is extinguished.

[0104] Therefore, filling harmless non-combustible gases such as nitrogen into the equipment tunnel 4 and ensuring that the oxygen concentration in the equipment tunnel 4 is lower than 15% can prevent fires from occurring in the equipment tunnel 4. There are usually few staff in the data center. If it is necessary to enter the equipment tunnel 4, one can enter after wearing oxygen supply equipment.

[0105] When the equipment tunnel 4 needs to be ventilated, open the closed doors at both ends of the tunnel.

[0106] In addition, as Figure 2 shown, a water transportation terminal 18 is built on the valley convex mountain 2 near the water retaining dam 6, and the water transportation terminal 18 is located on the upstream side of the water retaining dam 6. This facilitates using the water transportation terminal 18 to use water transportation as another means of transporting 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 delivery 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); The equipment tunnel (4) group includes 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; 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 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); The hot wastewater discharge assembly (1632) comprises a hot wastewater drainage channel (16322) and a hot wastewater drainage 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); 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 group (4) and the turning point of the large bend; 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).

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: 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).

4. The cavernous data center built at a big bend of a river 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).

5. The cavernous data center built at a big bend of a river as claimed in claim 1, characterized in that: The distribution tunnel (8) is provided with a voltage conversion device (12), a power storage device (13) and a distribution box (14); 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).

6. The cavernous data center built at a big bend of a river as claimed in claim 1, 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.

7. The cavernous data center built at a big bend of a river as claimed in claim 5, 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.

8. The cavernous data center built at a big bend of a river as claimed in claim 7, 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.

9. 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 8, 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).

10. An operating method of a cavern-type data center built at a large bend of a river as claimed in any one of claims 1 to 8, 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).

11. The method for operating a cavernous data center built at a large bend of a river as claimed in claim 10, 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%.

12. The method for operating a cavernous data center built at a large bend of a river as claimed in claim 10, 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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