A power plant unit peak period precise temperature control energy-saving device

Abstract

The utility model proposes a kind of power plant unit peak period accurate temperature control energy-saving device, including body, inlet pipe, outlet pipe, the side fixedly connected with inlet pipe of body, the side fixedly connected with outlet pipe of body, the end fixedly connected with unit coolant inlet of inlet pipe, the end fixedly connected with unit coolant outlet of outlet pipe.The utility model has the advantages that: cooling liquid is fully shunted to numerous cooling pipes, cooling pipe surface is connected with numerous fins again, and the area of heat dissipation is large, and it is directly blown with fan, to carry away the heat on cooling pipe, fin with high-speed airflow, to achieve the purpose of realizing rapid cooling liquid cooling with small volume device, the heat dissipation area is expanded many times by the shunt design of multiple cooling pipes, and the effective heat dissipation area is greatly improved by combining dense fins, which is greatly improved compared with single pipe structure, and the device realizes energy saving and consumption reduction: directional high-speed airflow accurately covers radiating surface, without high-power fan, and comprehensive energy consumption is greatly reduced.

Description

Technical Field

[0001] This utility model relates to the field of heat dissipation technology for power plant units, and in particular to a precise temperature control and energy-saving device for power plant units during peak periods. Background Technology

[0002] During peak load operation, power plant units experience a rapid increase in coolant temperature. Traditional cooling systems, due to limited heat dissipation area and low airflow efficiency, often suffer from delayed heat dissipation and high energy consumption. Current technologies primarily employ single-tube cooling structures with short coolant flow channels and insufficient heat dissipation area, requiring high-power fans or additional water-cooling systems for cooling, resulting in bulky devices and high operating costs. Furthermore, conventional finned cooling structures are prone to uneven airflow distribution, creating localized hotspots and affecting overall heat dissipation. Therefore, there is an urgent need for a highly efficient, compact, and energy-saving cooling system to meet the rapid temperature control requirements of units during peak periods. Utility Model Content

[0003] The purpose of this invention is to at least solve one of the aforementioned technical defects.

[0004] Therefore, one objective of this utility model is to propose a precise temperature control and energy-saving device for power plant units during peak hours, so as to solve the problems mentioned in the background art and overcome the shortcomings of the existing technology.

[0005] To achieve the above objectives, one embodiment of the present invention provides a precise temperature control and energy-saving device for power plant units during peak hours, comprising a body, an inlet pipe, and an outlet pipe, wherein the inlet pipe is fixedly connected to one side of the body and the outlet pipe is fixedly connected to one side of the body;

[0006] The end of the inlet pipe is fixedly connected to the organic coolant inlet, and the end of the outlet pipe is fixedly connected to the organic coolant outlet.

[0007] Several cooling pipes are fixedly connected to the inner side of the machine body, and the cooling pipes pass through the machine body multiple times;

[0008] The outer surface of the cooling pipe is fixedly connected with several fins, and the top and bottom surfaces of the body are fixedly connected with bridges.

[0009] A fan is fixedly connected to one end of the bridge, a mounting bracket is fixedly connected to the inside of the fan, a motor is fixedly connected to the front of the mounting bracket, and several fan blades are fixedly connected to the output end of the motor.

[0010] Preferably, in any of the above schemes, the body is made of aluminum alloy, and the inlet and outlet pipes are parallel.

[0011] The above technical solution is adopted: This device is specifically used for temperature control and energy saving of power plant units. Specifically, it is an auxiliary cooling and temperature control device for power plant units, and it also needs to be used in conjunction with a pump.

[0012] After the coolant in the unit is heated, it enters the inlet pipe through the unit's coolant inlet. Powered by an external pump, the coolant is diverted and passes through numerous cooling pipes before entering the outlet pipe. Finally, it is output from the unit's coolant outlet and then pumped back into the unit. At this point, the coolant has been sufficiently cooled, thus achieving adequate cooling of the power plant's generating unit.

[0013] The cooling principle involves distributing the coolant fully into numerous cooling pipes, each with a large finned surface for heat dissipation. Combined with the direct airflow from a fan, the high-speed airflow quickly removes heat from the cooling pipes and fins, thus achieving rapid coolant cooling with a small device.

[0014] Preferably, in any of the above solutions, the inlet pipe, outlet pipe, cooling pipe, and fins are all made of copper.

[0015] Preferably, in any of the above schemes, the unit coolant inlet and coolant outlet are threaded, and the cooling pipe is divided into a flat section and a U-shaped section.

[0016] The above technical solution is adopted: This device includes the following core components: Body: A sealed box made of aluminum alloy, with multiple sets of cooling pipes arranged inside; Inlet and outlet pipes: Parallel copper main pipes, which are respectively connected to the coolant inlet and outlet of the unit; Cooling pipes: Multiple copper pipes are wound around the body, forming a serpentine flow channel composed of alternating straight sections and U-shaped sections; Fins: Copper sheets vertically welded to the surface of the cooling pipes, arranged in an array; Fan: Fixed to the top and bottom of the body through a bridge, with the air outlet blowing directly onto the fins.

[0017] Workflow:

[0018] Coolant circulation: High-temperature coolant enters the inlet pipe from the unit's coolant inlet and is then distributed to multiple cooling pipes by an external pump.

[0019] Multi-stage heat dissipation: When the coolant flows inside the serpentine cooling pipe, heat is transferred to the fins through the pipe wall;

[0020] Forced convection: After the fan starts, high-speed airflow blows vertically onto the fin surface, quickly carrying away heat;

[0021] Low-temperature reflux: The cooled coolant flows into the outlet pipe and returns to the unit for recycling from the unit's coolant outlet.

[0022] Key design parameters:

[0023] The number of cooling pipes is 20-30, with a single pipe length ≥8m and a pipe diameter of Φ12mm; the fin spacing is 5mm, the single fin height is 50mm, and it covers more than 90% of the surface area of ​​the cooling pipe; the fan is an axial flow type with a wind speed ≥8m / s and a spacing of 30-50mm between it and the fins.

[0024] Preferably, in any of the above embodiments, the fins are welded to the surface of the cooling pipe, and the fins are arranged vertically.

[0025] Preferably, in any of the above solutions, the bridge is connected to the body by screws, and a gap is left between the fan and the body.

[0026] The multi-pipe cooling design increases the heat dissipation area many times over, and the dense fins further enhance the effective heat dissipation area, resulting in a significant improvement over the single-pipe structure.

[0027] Energy saving and consumption reduction: Directional high-speed airflow precisely covers the heat dissipation surface, eliminating the need for high-power fans and greatly reducing overall energy consumption;

[0028] Preferably, in any of the above solutions, the air outlet of the fan faces the machine body.

[0029] Compared with the prior art, the advantages and beneficial effects of this utility model are as follows:

[0030] This power plant unit's peak-hour precise temperature control and energy-saving device, through the coordinated arrangement of inlet pipes, outlet pipes, unit coolant inlet, unit coolant outlet, cooling pipes, fins, bridges, fans, mounting brackets, motors, and fans, fully distributes the coolant into numerous cooling pipes. The surface of the cooling pipes is connected to numerous fins, resulting in a large heat dissipation area. Combined with the direct blowing of the fan, the high-speed airflow quickly removes heat from the cooling pipes and fins, thereby achieving the purpose of rapid coolant cooling with a small-volume device. The multi-cooling-pipe distribution design expands the heat dissipation area many times over, and the combination of dense fins greatly increases the effective heat dissipation area, which is a significant improvement over the single-pipe structure.

[0031] This device achieves energy saving and consumption reduction: directional high-speed airflow accurately covers the heat dissipation surface, eliminating the need for high-power fans and greatly reducing overall energy consumption.

[0032] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0033] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0034] Figure 1 This is a schematic diagram of the structure of this utility model;

[0035] Figure 2 This is a schematic diagram of the structure of the fan of this utility model;

[0036] Figure 3 This is a schematic diagram of the structure of the cooling pipe of this utility model;

[0037] Figure 4 This utility model Figure 3 A magnified structural diagram of point A in the middle.

[0038] In the diagram: 1-body, 2-inlet pipe, 3-outlet pipe, 4-coolant inlet of the unit, 5-coolant outlet of the unit, 6-cooling pipe, 7-fins, 8-bridge, 9-fan, 10-mounting bracket, 11-motor, 12-fan blade. Detailed Implementation

[0039] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0040] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0041] like Figure 1-4 As shown, the power plant unit's precise temperature control and energy-saving device during peak hours includes a body 1, an inlet pipe 2, and an outlet pipe 3. The inlet pipe 2 is fixedly connected to one side of the body 1, and the outlet pipe 3 is fixedly connected to one side of the body 1.

[0042] The end of the inlet pipe 2 is fixedly connected to the organic coolant inlet 4, and the end of the outlet pipe 3 is fixedly connected to the organic coolant outlet 5.

[0043] Several cooling pipes 6 are fixedly connected to the inner side of the body 1, and the cooling pipes 6 pass through the body 1 multiple times;

[0044] Several fins 7 are fixedly connected to the outer surface of the cooling pipe 6, and bridges 8 are fixedly connected to the top and bottom of the body 1.

[0045] A fan 9 is fixedly connected to the end of the bridge 8. A mounting bracket 10 is fixedly connected to the inner side of the fan 9. A motor 11 is fixedly connected to the front of the mounting bracket 10. Several fan blades 12 are fixedly connected to the output end of the motor 11.

[0046] Example 1: The body 1 is made of aluminum alloy, and the inlet pipe 2 and outlet pipe 3 are parallel. The inlet pipe 2, outlet pipe 3, cooling pipe 6, and fins 7 are all made of copper. The unit's coolant inlet 4 and coolant outlet 5 are threaded, and the cooling pipe 6 is divided into a flat section and a U-shaped section.

[0047] Example 2: This device is specifically designed for temperature control and energy saving in power plant units. Specifically, it is an auxiliary cooling and temperature control device for power plant units and must be used in conjunction with a pump.

[0048] After the coolant in the unit is heated, it enters the inlet pipe 2 through the unit coolant inlet 4. Powered by an external pump, it is diverted and passes through numerous cooling pipes 6 before entering the outlet pipe 3. Finally, it is output from the unit coolant outlet 5 and then pumped back into the unit. At this point, the coolant has been sufficiently cooled, thus achieving sufficient cooling of the power plant unit.

[0049] The cooling principle involves distributing the coolant extensively into numerous cooling pipes 6, each with a surface covered by numerous fins 7. This large heat dissipation area, combined with the direct airflow from the fan 9, rapidly removes heat from the cooling pipes 6 and fins 7, achieving rapid coolant cooling within a small device. The fins 7 are welded to the surfaces of the cooling pipes 6 and are vertically oriented. The connecting bridge 8 is connected to the body 1 via screws, and a gap is left between the fan 9 and the body 1.

[0050] Example 3: This device includes the following core components: Body 1: A sealed box made of aluminum alloy, with multiple sets of cooling pipes 6 arranged inside; Inlet pipe 2 and outlet pipe 3: Parallel copper main pipes, respectively connected to the unit's coolant inlet 4 and outlet 5; Cooling pipe 6: Multiple copper pipes winding around the body 1, forming a serpentine flow channel composed of alternating straight sections and U-shaped sections; Fins 7: Copper sheets vertically welded to the surface of the cooling pipes 6, arranged in an array; Fan 9: Fixed to the top and bottom of the body 1 via a bridge 8, with the air outlet blowing directly onto the fins 7.

[0051] Key design parameters: 20-30 cooling pipes 6, single pipe length ≥8m, pipe diameter Φ12mm; fin spacing 7 5mm, single fin height 50mm, covering more than 90% of the cooling pipe surface area; fan 9 is axial flow type, wind speed ≥8m / s, and the distance between it and fin 7 is 30-50mm.

[0052] Example 4: This device includes a body 1 cast from 6061-T6 aluminum alloy. The inlet pipe 2 and outlet pipe 3 are made of TP2 oxygen-free copper tubing, with a parallel spacing of 300mm, and are connected to the unit's coolant inlet 4 and outlet 5 via flanges. The cooling system consists of a serpentine flow channel composed of 28 C1220 copper tubes, with an effective length of 9.2m per tube, employing a 5-fold U-shaped winding design, resulting in a total heat dissipation area of ​​35.8m². 2 Fin 7 is a 0.3mm thick copper stamped sheet, which is vertically fixed to the surface of the cooling tube by laser welding. It is arranged in a comb-like pattern with a spacing of 5mm, and the height of a single sheet is 60mm, covering 95% of the tube surface area.

[0053] The cooling system comprises four axial fans 9, mounted on the top and bottom of the chassis via aluminum bridges 8. The bridges utilize a bridge-type support structure, maintaining a 40mm ventilation gap with the chassis. The fan exhaust outlets are 35mm from the fin surface, achieving a CFD-optimized airflow speed of 12m / s, creating a vertically penetrating airflow. The intelligent temperature control system includes a PT100 temperature sensor, automatically activating the fans when the coolant temperature exceeds 65℃, enabling gradient speed control with three fan speed settings.

[0054] Thermodynamic tests show that, under operating conditions at an ambient temperature of 35℃, this device can achieve a flow rate of 120m³ / h. 3 The ethylene glycol coolant temperature was reduced from 72°C to 48°C per hour, achieving a heat dissipation power of 2.8MW, which is 41% more energy-efficient than the traditional single-tube structure. The surface temperature distribution uniformity of the fins was improved by 60%, and no local hot spots were generated.

[0055] Example 5:

[0056] This embodiment upgrades the materials and structure based on embodiment 4, and adopts a composite heat dissipation technology:

[0057] Cooling pipe optimization: Cooling pipe 6 was replaced with a C70600 copper-nickel alloy pipe (Φ14×1.2mm) with spiral microgrooves on the inner wall, with a groove depth of 0.4mm and a pitch of 8mm, which creates a swirling effect in the coolant and greatly improves the heat transfer coefficient.

[0058] The working principle of this utility model is as follows:

[0059] Coolant circulation: High-temperature coolant enters the inlet pipe 2 from the unit's coolant inlet 4, and is then distributed to multiple cooling pipes 6 by an external pump.

[0060] Multi-stage heat dissipation: When the coolant flows inside the serpentine cooling pipe 6, heat is transferred to the fins 7 through the pipe wall;

[0061] Forced convection: After fan 9 starts, high-speed airflow blows vertically onto the surface of fin 7, quickly carrying away heat;

[0062] Low-temperature reflux: The cooled coolant flows into the outlet pipe 3 and returns to the unit for recycling from the unit's coolant outlet 5.

[0063] Compared with the prior art, the present invention has the following advantages:

[0064] The power plant unit's peak-hour precise temperature control and energy-saving device, through the coordinated arrangement of inlet pipe 2, outlet pipe 3, unit coolant inlet 4, unit coolant outlet 5, cooling pipe 6, fins 7, bridge 8, fan 9, mounting bracket 10, motor 11 and fan 12, fully distributes the coolant to numerous cooling pipes 6. The surface of the cooling pipes 6 is connected to numerous fins 7, resulting in a large heat dissipation area. Combined with the direct airflow of the fan 9, the high-speed airflow quickly removes the heat from the cooling pipes 6 and fins 7, thereby achieving the purpose of rapid coolant cooling with a small volume device. The multi-cooling pipe 6 diversion design expands the heat dissipation area many times over, and the dense fins 7 significantly increase the effective heat dissipation area, which is a significant improvement over the single-pipe structure.

[0065] This device achieves energy saving and consumption reduction: directional high-speed airflow accurately covers the heat dissipation surface, eliminating the need for high-power fans and greatly reducing overall energy consumption.

Claims

1. A precise temperature control and energy-saving device for power plant units during peak hours, characterized in that, It includes a body (1), an inlet pipe (2), and an outlet pipe (3). The inlet pipe (2) is fixedly connected to one side of the body (1), and the outlet pipe (3) is fixedly connected to one side of the body (1). The end of the inlet pipe (2) is fixedly connected to the organic coolant inlet (4), and the end of the outlet pipe (3) is fixedly connected to the organic coolant outlet (5). The inner side of the body (1) is fixedly connected with several cooling pipes (6), which pass through the body (1) multiple times; the outer surface of the cooling pipes (6) is fixedly connected with several fins (7), and the top and bottom surfaces of the body (1) are fixedly connected with bridges (8). A fan (9) is fixedly connected to the end of the bridge (8), a mounting bracket (10) is fixedly connected to the inner side of the fan (9), a motor (11) is fixedly connected to the front side of the mounting bracket (10), and a plurality of fan blades (12) are fixedly connected to the output end of the motor (11).

2. The power plant unit peak-hour precise temperature control and energy-saving device as described in claim 1, characterized in that: The body (1) is made of aluminum alloy, and the inlet pipe (2) and outlet pipe (3) are parallel.

3. The power plant unit peak-hour precise temperature control and energy-saving device as described in claim 2, characterized in that: The inlet pipe (2), outlet pipe (3), cooling pipe (6), and fins (7) are all made of copper.

4. The power plant unit peak-hour precise temperature control and energy-saving device as described in claim 3, characterized in that: The unit's coolant inlet (4) and coolant outlet (5) are threaded, and the cooling pipe (6) is divided into a flat section and a U-shaped section.

5. The power plant unit peak-hour precise temperature control and energy-saving device as described in claim 4, characterized in that: The fins (7) are welded to the surface of the cooling pipe (6), and the fins (7) are arranged vertically.

6. The power plant unit peak-hour precise temperature control and energy-saving device as described in claim 5, characterized in that: The bridge (8) is connected to the body (1) by screws, and there is a gap between the fan (9) and the body (1).

7. The power plant unit peak-hour precise temperature control and energy-saving device as described in claim 6, characterized in that: The air outlet of the fan (9) faces the body (1).

Images