A freeze-proof and energy-saving pipeline

Abstract

This application relates to an antifreeze and energy-saving pipeline, including an inlet pipe, a drain pipe, a standby device, and multiple sets of normally open devices. The inlet pipe supplies cooling water to either the normally open or standby devices, and the drain pipe discharges cooling water. A connecting device is provided between the normally open and standby devices, comprising a valve and a connecting pipe. The normally open and standby devices are connected via the connecting pipe, and the valve controls the flow rate from the normally open device to the standby device through the connecting pipe. This application features a connecting pipe between each pump and its outlet valve, allowing cooling water in the normally open device's pipeline to flow to the standby device's pipeline and then back to the inlet pipe via the standby device. This reduces the probability of the standby device's pipeline freezing, thus making the device more energy-efficient.

Description

Technical Field

[0001] This application relates to the technical field of antifreeze and energy saving, and in particular to an antifreeze and energy-saving pipeline. Background Technology

[0002] During production, the condenser of the waste heat generator set is cooled by circulating cooling water pumps. A backup pump is also required to cool the condenser. However, in cold weather, the backup pump and stagnant water in the pipes are prone to freezing. When the pumps need to be turned on, the water flow may be blocked, or even the pumps and pipes may freeze and crack. However, turning on all three pumps at the same time to prevent freezing will increase unnecessary energy consumption. Slightly opening the outlet of the backup pump to allow the cooling water to flow back and circulate to prevent freezing is also an option. However, due to the large pipes and valves, it is difficult to control the flow rate and maximize the utilization of the cooling water. Furthermore, if the original pipes and valves are used and the flow rate is too large, it may cause the waste heat generator set to trip, resulting in more losses. None of these methods can meet the requirements of freezing prevention and energy saving. Utility Model Content

[0003] To address the shortcomings of existing technologies, one of the objectives of this application is to provide an antifreeze and energy-saving pipeline, which features a connecting pipe between each pump and the outlet valve. This allows cooling water in the main pump's pipeline to flow through the connecting pipe to the standby pump's pipeline, and then back through the standby pump to the inlet pipe. This reduces the probability of the standby pump's pipeline freezing, thereby making the device more energy-efficient.

[0004] The above-mentioned objective of this application is achieved through the following technical solution:

[0005] An antifreeze and energy-saving pipeline includes an inlet pipe, a drain pipe, a backup device, and multiple sets of normally open devices. The inlet pipe supplies cooling water to either the normally open device or the backup device, and the drain pipe supplies cooling water for discharge. A connecting device is provided between the normally open device and the backup device. The connecting device includes a valve and a connecting pipe. The normally open device and the backup device are connected through the connecting pipe. The valve is used to control the flow rate from the normally open device to the backup device through the connecting pipe.

[0006] By adopting the above technical solution, cooling water enters the normally open device through the inlet pipe and is discharged from the drain pipe. When the standby device is closed, the valve is in the open state, and the cooling water of the normally open device flows to the standby device through the connecting pipe and then flows back to the inlet pipe through the standby device. This allows the cooling water to flow in the standby device even when it is closed, thereby achieving the purpose of antifreeze and energy saving of the device.

[0007] In a preferred embodiment, this application may be further configured such that: the normally open device includes branch pipe one and water pump one, the standby device includes branch pipe two and water pump two, and the connecting pipe is connected to branch pipe one and branch pipe two.

[0008] By adopting the above technical solution, the connecting pipe is connected to branch pipe one and branch pipe two, so that the cooling water in branch pipe one can flow back to branch pipe two through the connecting pipe.

[0009] In a preferred embodiment, this application may be further configured such that: the connecting device is provided with a valve two, which is used to control the connection status between the connecting pipe and the outside world.

[0010] By adopting the above technical solution, valve two controls the connection between the connecting pipe and the outside world, so that residual water in the connecting device can be discharged.

[0011] In a preferred embodiment, this application can be further configured such that: valve three is provided on both sides of water pump one, and valve four is provided on both sides of water pump two; valve three is used to control the flow rate between branch pipe one and the inlet pipe and the outlet pipe, and valve four is used to control the flow rate between branch pipe two and the inlet pipe and the outlet pipe.

[0012] In a preferred embodiment, this application may be further configured such that: the standby device is provided with a diversion pipe, the diversion pipe is connected to both ends of the water pump, and the diversion pipe is used to guide the cooling water backflow.

[0013] By adopting the above technical solution, the diversion pipe is connected to both ends of the second water pump. The diversion pipe guides the cooling water back, so that the cooling water no longer flows back through the cooling water return, reducing the probability of the second water pump reversing.

[0014] In a preferred embodiment, this application may be further configured such that: a receiving cavity is provided on the drainage pipe, the receiving cavity is connected to the drainage pipe and the second water pump respectively, and the receiving cavity is used to receive the cooling water in the second water pump.

[0015] By adopting the above technical solution, the receiving cavity is connected to the drainage pipe and the second water pump, so that the cooling water in the second water pump is discharged into the receiving cavity under the action of gravity and flows back to the inlet pipe through the drainage pipe.

[0016] In a preferred embodiment, this application may be further configured such that: valve five is provided on the drainage pipe, valve five is located at both ends of the drainage pipe near branch pipe two, and valve five is used to control the connection state between the drainage pipe and branch pipe two.

[0017] By adopting the above technical solution, the drainage pipe and the second branch pipe can be connected or closed.

[0018] In a preferred embodiment, this application may be further configured such that: valves 6 are provided on both sides of the water pump 2 near the diversion pipe, and valves 6 are used to control the connection status between water pump 2 and branch pipe 2.

[0019] By adopting the above technical solution, the water pump 2 and the branch pipe 2 can be connected or closed. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of an embodiment of this application.

[0021] Figure 2 This is a schematic diagram of the structure of other embodiments of this application.

[0022] Attached reference numerals: 1. Normally open device; 11. Branch pipe one; 12. Valve three; 13. Water pump one; 2. Standby device; 21. Branch pipe two; 22. Valve four; 23. Water pump two; 3. Inlet pipe; 4. Drainage pipe; 5. Connecting device; 51. Connecting pipe; 52. Valve one; 53. Valve two; 6. Drainage pipe; 61. Receiving cavity; 62. Valve five; 7. Valve six. Detailed Implementation

[0023] The present application will be further described in detail below with reference to the accompanying drawings.

[0024] Reference Figure 1 and Figure 2 This application discloses an antifreeze and energy-saving pipeline, comprising an inlet pipe 3, a drain pipe 4, a backup device 2, and two sets of normally open devices 1, with attached... Figure 1 and attached Figure 2 In the diagram, the arrows indicate the direction of water flow. The upper two groups are normally open devices 1, and the lower group is a standby device 2. During normal use, the inlet pipe 3 is connected to the normally open device 1 and the standby device 2. Cooling water flows through the inlet pipe 3 to the normally open device 1 and the standby device 2. The drain pipe 4 discharges the cooling water from the normally open device 1 and the standby device 2. When the standby device 2 is in standby mode, the cooling water in the inlet pipe 3 no longer flows to the standby device 2. The normally open device 1 includes a branch pipe 11, a valve 3 12, and a water pump 13. The standby device 2 includes a branch pipe 21, a valve 4 22, and a water pump 23. Valves 3 12 are installed on both sides of the water pump 13, and valves 4 22 are installed on both sides of the water pump 23. Valves 3 12 are used to control the flow rate between the branch pipe 11 and the inlet pipe 3 and the drain pipe 4, and valves 4 22 are used to control the flow rate between the branch pipe 21 and the inlet pipe 3 and the drain pipe 4.

[0025] A connecting device 5 is provided between the normally open device 1 and the standby device 2. The connecting device 5 includes a valve 1 52, a valve 2 53 and a connecting pipe 51. The connecting pipe 51 is connected to the branch pipe 1 11 and the branch pipe 2 21. The valve 1 52 is used to control the flow rate from the branch pipe 1 11 to the branch pipe 2 21. The valve 2 53 is used to control the connection status between the connecting pipe 51 and the outside world.

[0026] When the normally open device 1 is running and the standby device 2 is not in operation, valve 3 12 and water pump 13 are in the open state, valve 4 22 and water pump 23 near the drain pipe 4 are in the closed state, and valve 4 22 and valve 1 52 near the inlet pipe 3 are in the open state. Cooling water enters branch pipe 11 through inlet pipe 3. Adjusting valve 3 12 causes the cooling water in branch pipe 11 to flow to connecting pipe 51, then to branch pipe 21 through connecting pipe 51, and finally back to inlet pipe 3 on the side of branch pipe 21, so that the cooling water flows continuously in branch pipe 21, thereby achieving the purpose of antifreeze and energy saving of this device.

[0027] When both the normally open device 1 and the standby device 2 need to be operated, open valve 22 and water pump 23 on the side near the drain pipe 4, so that cooling water can enter the drain pipe 4 through branch pipe 21. Close valve 52 so that the connecting pipe 51 is not connected to branch pipe 11 and branch pipe 21. Open valve 53 so that the end of the connecting pipe 51 is connected to the outside, so that the residual water in the connecting pipe 51 can be discharged, thereby making the connecting pipe 51 less likely to freeze.

[0028] In another embodiment, the backup device 2 is provided with a diversion pipe 6, which is connected to both ends of the second water pump 23. The diversion pipe 6 is used to guide the cooling water backflow. The diversion pipe 6 is provided with a receiving cavity 61 and a valve 62. The receiving cavity 61 is connected to the diversion pipe 6 and the second water pump 23 respectively. The receiving cavity 61 is used to receive the cooling water in the second water pump 23. The valve 62 is located at both ends of the diversion pipe 6 near the second branch pipe 21. The valve 62 is used to control the connection state between the diversion pipe 6 and the second branch pipe 21, so that the diversion pipe 6 and the second branch pipe 21 can be connected or closed. The second branch pipe 21 is provided with a valve 7, which is located on both sides of the second water pump 23 near the diversion pipe 6. The valve 7 is used to control the connection state between the second water pump 23 and the second branch pipe 21, so that the second water pump 23 and the second branch pipe 21 can be connected or closed.

[0029] Close valves 5 and 62 on both sides of water pump 23, and open valve 6 and 7 on the diversion pipe 6. This allows the cooling water in the connecting pipe 51 to flow through the diversion pipe 6 to the branch pipe 21, and then to the inlet pipe 3. This prevents the cooling water from flowing through water pump 23 to the branch pipe 21, thus reducing the probability of water pump 23 reversing. The receiving cavity 61 on the diversion pipe 6 is connected to both the diversion pipe 6 and water pump 23. This allows the cooling water in water pump 23 to be discharged into the receiving cavity 61 under gravity, and then flow through the receiving cavity 61 to the diversion pipe 6, and finally back to the inlet pipe 3, preventing water pump 23 from freezing.

[0030] The implementation principle of this embodiment is as follows: Cooling water enters the normally open device 1 through the water inlet pipe 3 and is then discharged from the drain pipe 4. When the standby device 2 is closed, valve 52 is in the open state. The cooling water of the normally open device 1 flows to the standby device 2 through the connecting pipe 51 and then flows back to the water inlet pipe 3 through the standby device 2. This allows the cooling water to flow in the standby device 2 even when it is closed, thereby achieving the purpose of antifreeze and energy saving of the device.

[0031] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A freeze-proof and energy-saving pipeline, characterized in that: It includes an inlet pipe (3), a drain pipe (4), a standby device (2), and multiple sets of normally open devices (1). The inlet pipe (3) supplies cooling water to flow to the normally open device (1) or the standby device (2), and the drain pipe (4) supplies cooling water to discharge. A connecting device (5) is provided between the normally open device (1) and the standby device (2). The connecting device (5) includes a valve (52) and a connecting pipe (51). The normally open device (1) and the standby device (2) are connected through the connecting pipe (51). The valve (52) is used to control the flow rate of the normally open device (1) to the standby device (2) through the connecting pipe (51).

2. The antifreeze and energy-saving pipeline according to claim 1, characterized in that: The normally open device (1) includes a branch pipe (11) and a water pump (13), and the standby device (2) includes a branch pipe (21) and a water pump (23). The connecting pipe (51) is connected to the branch pipe (11) and the branch pipe (21).

3. The freeze-proof energy-saving pipeline according to claim 1, characterized in that: The connecting device (5) is equipped with valve two (53), which is used to control the connection status between the connecting pipe (51) and the outside world.

4. The freeze-proof energy-saving pipeline according to claim 1, characterized in that: Both sides of the water pump 1 (13) are equipped with valve 3 (12), and both sides of the water pump 2 (23) are equipped with valve 4 (22). Valve 3 (12) is used to control the flow between branch pipe 1 (11) and water inlet pipe (3) and drainage pipe (4), and valve 4 (22) is used to control the flow between branch pipe 2 (21) and water inlet pipe (3) and drainage pipe (4).

5. The freeze-proofing, energy-saving pipe of claim 2, wherein: The backup device (2) is equipped with a diversion pipe (6), which is connected to both ends of the second water pump (23). The diversion pipe (6) is used to guide the cooling water backflow.

6. The freeze-proofing, energy-saving pipe according to claim 5, characterized in that: The drainage pipe (6) is provided with a receiving cavity (61), which is connected to the drainage pipe (6) and the second water pump (23) respectively. The receiving cavity (61) is used to receive the cooling water in the second water pump (23).

7. The freeze-proofing, energy-saving pipe of claim 5, wherein: A valve (62) is provided on the drainage pipe (6). The valve (62) is located at both ends of the drainage pipe (6) near the branch pipe (21). The valve (62) is used to control the connection between the drainage pipe (6) and the branch pipe (21).

8. The freeze-proofing, energy-saving pipe of claim 6, wherein: Water pump 2 (23) is equipped with valve 6 (7) on both sides near the diversion pipe (6). Valve 6 (7) is used to control the connection status between water pump 2 (23) and branch pipe 2 (21).

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