An energy-saving water pump for cooling water circulation

Abstract

This invention relates to the field of energy-saving equipment technology, specifically to an energy-saving water pump for cooling water circulation, used to transport cooling medium to cool a heating device. The energy-saving water pump includes a pump motor, heat exchange pipes, a cooling tower, and connecting pipes. The pump motor includes a first gear and an impact turbine assembly. The heat exchange pipes are vertically arranged, and the cooling water circulation is filled with a cooling medium containing dissolved air. The impact turbine assembly includes a second gear that meshes with the first gear. The heating device includes multiple heat exchange sleeves, which are sealed and spaced around the outer periphery of the heat exchange pipes. This invention uses a pump motor, vertical heat exchange pipes, and multiple heat exchange sleeves to intermittently heat the heat exchange pipes, creating alternating cold and hot zones. In the hot zone, the vertical heat exchange pipes can form an air film on the inner wall of the cooling pipes, reducing resistance and achieving energy saving. Through the meshing of the first and second gears, wasted gravitational potential energy is reused, achieving secondary energy saving.

Description

Technical Field

[0001] This invention relates to the field of energy-saving equipment technology, and specifically to an energy-saving water pump for cooling water circulation. Background Technology

[0002] Cooling water circulation systems, as an important supporting system, are used in various sectors of the national economy, including steel, petrochemical, and thermal power, to cool various heat-generating devices. Currently, they are largely operated in an inefficient manner, resulting in significant energy waste. The resistance in cooling water circulation systems mainly comes from pipe friction, turbulence and / or flow at bends, which causes fluctuations in pump power and wastes some of the pump's work. Therefore, there is a need for energy-saving pumps for cooling water circulation that can reduce energy consumption during operation. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide an energy-saving water pump for cooling water circulation that can reduce the energy consumption of the water pump when it is working in cooling water circulation.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is as follows:

[0005] An energy-saving water pump for cooling water circulation is used to transport cooling medium to cool a heating device. The energy-saving water pump includes a pump motor, a heat exchange pipe, a cooling tower, and connecting pipes. The connecting pipes include straight pipes and bent pipes. The heat exchange pipe is a circular pipe.

[0006] The pump includes a first inlet, a first outlet, a pump shaft, a first gear, and an impact turbine assembly; the first gear is connected to the pump shaft; the first inlet and the first outlet are perpendicular to each other, and the first outlet is vertically upward; the heat exchange pipe is vertically arranged, the first outlet is located at the bottom of the heat exchange pipe and is directly connected to the heat exchange pipe; the first inlet is connected to the cooling tower through a bend pipe, and the cooling tower is connected to the first inlet through a straight pipe to form a cooling water circulation, the cooling water circulation is filled with a cooling medium, and the cooling medium contains dissolved air;

[0007] The impeller assembly includes a shaft, an impeller, a housing, and a second gear. The housing has a second inlet and a second outlet that are perpendicular to each other. The shaft passes through the housing. The impeller is located on the portion of the shaft inside the housing. The second gear is located on the portion of the shaft outside the housing. The first gear and the second gear mesh.

[0008] The heating device includes a heating body, a circulating pump, and a heat exchanger. The heating body includes a third inlet and a third outlet. The heat exchanger includes an inlet manifold, an outlet manifold, and multiple heat exchange sleeves. The multiple heat exchange sleeves are sealed and fitted around the outer periphery of the heat exchange pipe, and there is a gap between the multiple heat exchange sleeves. Each heat exchange sleeve includes an inlet and an outlet. The inlet is connected to the inlet manifold, and the outlet is connected to the outlet manifold. The outlet manifold is connected to a second inlet. The second outlet is connected to the third inlet via the circulating pump. The third outlet is connected to the inlet manifold via a bend pipe to form a heat cycle. The heat cycle contains circulating liquid.

[0009] When the energy-saving water pump is working, the circulating pump is started simultaneously to initiate the hot water circulation and cooling water circulation. The heating device heats the circulating liquid, which intermittently heats the heat exchange pipes through multiple heat exchange sleeves, forming alternating cold and hot zones. In the hot zone, the cooling medium in the heat exchange pipes is uniformly heated, causing dissolved air to precipitate and flow through the cold zone under the action of the cooling medium, forming an air film on the inner wall of the heat exchange pipes. This reduces the resistance between the cooling medium and the inner wall of the cold zone. In the cold zone, the air film is broken down due to the temperature change of the cooling medium and flows through the hot zone under the action of the cooling medium, contacting the inner wall and improving the heat exchange effect. After being cooled through the heat exchange pipes, the circulating liquid passes through the outlet manifold and impacts the impeller under the action of gravitational potential energy, driving the first gear to rotate and thus driving the pump shaft to do work.

[0010] Preferably, when the heat exchange pipe is arranged with its lowest point as the starting point and its highest point as the ending point, and with alternating cold and hot zones, the hot zone is the starting point and the cold zone is the ending point.

[0011] Preferably, the heat exchange sleeve has two or more inlets.

[0012] Preferably, the inlet and outlet of the heat exchange sleeve are arranged in a circumferential array.

[0013] Preferably, the inlet and outlet of the heat exchange sleeve are inclined, and the inclination directions of the inlet and outlet are opposite.

[0014] Preferably, the surface of the heat exchange pipe corresponding to the heat zone is provided with multiple layers of heat exchange thin rings arranged vertically.

[0015] Preferably, the energy-saving water pump further includes a clutch, a controller, and an impact sensor. The pump, clutch, and impact sensor are electrically connected to the controller, and the first gear and the second gear are connected through the clutch.

[0016] The impact sensor is installed inside the second water inlet. The controller determines the impact power based on the impact sensor. If the impact power is greater than a preset value, the controller controls the clutch to separate the first gear and the second gear.

[0017] Preferably, the energy-saving water pump further includes a storage battery and a generator, the storage battery and the generator being electrically connected to the controller; the generator has a third gear, and the first gear and the third gear are connected by a clutch;

[0018] If the impact power is greater than the preset value, the controller controls the clutch to separate the first and second gears and engage with the third gear to input kinetic energy into the generator. The electrical energy generated by the generator enters the battery through the controller or is directly supplied to the water pump.

[0019] Preferably, the first gear, the second gear, the third gear, and the clutch are housed within the same protective housing.

[0020] Preferably, the straight pipe and the bent pipe are provided with heat dissipation fins.

[0021] The beneficial effects of this invention are as follows: By setting up a pump, vertical heat exchange pipes, and multiple heat exchange sleeves to intermittently heat the heat exchange pipes, alternating cold and hot zones are formed. In the hot zone, the vertical heat exchange pipes can form an air film on the inner wall of the cooling heat exchange pipes (the formation of the air film requires time, and combined with the flow rate of the cooling medium, the air film in the hot zone can be completely formed in the cold zone). Furthermore, since the heat exchange pipes are circular, the air film, under the influence of gravity and buoyancy, combined with the circular pipe shape, ensures uniform pressure on the same cross-section of the inner wall of the heat exchange pipe, thus forming a uniform air film. This uniform air film reduces the resistance of the cooling medium, thereby reducing the power consumption of the pump and achieving energy savings. Moreover, since existing heating elements, such as various blast furnaces and refining towers used in steel and petrochemical industries, are inherently... All components are vertically arranged. The circulating pump of the heating pump itself needs to overcome gravitational potential energy. Currently, this energy is wasted. However, through the meshing of the first and second gears, the wasted gravitational potential energy can be reused as the energy source of the pump, achieving secondary energy saving. At the same time, because the gravitational potential energy is utilized, the pressure difference inside the pipes in the heat circulation tends to be balanced, avoiding the impact of the coolant's gravity on the circulating pump, and further extending the service life of the circulating pump. The cooling water is connected to the cooling tower through the first inlet and a bend pipe. There is only one bend in the cooling water circulation. Other bends are achieved through the structural design of each device, which can greatly reduce the bends in the cooling water circulation, thereby reducing the chance of turbulence and thus achieving drag reduction, and thus achieving tertiary energy saving. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of an energy-saving water pump for cooling water circulation according to a specific embodiment of the present invention;

[0023] Figure 2 This is an enlarged view of part A of an energy-saving water pump for cooling water circulation according to a specific embodiment of the present invention;

[0024] Figure 3 This is a schematic cross-sectional view of a heat exchange pipe of an energy-saving water pump for cooling water circulation according to a specific embodiment of the present invention.

[0025] Figure 4 This is a partial schematic diagram of the heat exchange pipeline of an energy-saving water pump for cooling water circulation according to a specific embodiment of the present invention.

[0026] Labeling Explanation: 1. Energy-saving water pump; 11. Pump; 111. First inlet; 112. First outlet; 113. First gear; 12. Heat exchange pipe; 121. Cold zone; 122. Hot zone; 123. Heat exchange thin ring; 13. Cooling tower; 14. Impact turbine assembly; 141. Second inlet; 142. Second outlet; 143. Second gear; 2. Heating device; 21. Heating body; 22. Circulating pump; 23. Heat exchanger; 231. Main inlet pipe; 2331. Inlet; 2332. Outlet; 232. Main outlet pipe; 233. Heat exchange sleeve; 3. Straight pipe; 4. Bent pipe; 5. Clutch; 6. Generator; 61. Third gear. Detailed Implementation

[0027] To explain in detail the technical content, objectives, and effects of the present invention, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0028] Please refer to Figures 1 to 4 An energy-saving water pump 1 for cooling water circulation is used to transport cooling medium to cool a heating device 2. The energy-saving water pump 1 includes a pump motor 11, a heat exchange pipe 12, a cooling tower 13, and a connecting pipe. The connecting pipe includes a straight pipe 3 and a bent pipe 4. The heat exchange pipe 12 is a circular pipe.

[0029] The pump 11 includes a first inlet 111, a first outlet 112, a pump shaft, a first gear 113, and an impact turbine assembly 14; the first gear 113 is connected to the pump shaft; the first inlet 111 and the first outlet 112 are perpendicular to each other, and the first outlet 112 is vertically upward; the heat exchange pipe 12 is vertically arranged, the first outlet 112 is located at the bottom of the heat exchange pipe 12 and is directly connected to the heat exchange pipe 12; the first inlet 111 is connected to the cooling tower 13 through a bend pipe 4, and the cooling tower 13 is connected to the first inlet 111 through a straight pipe 3 to form a cooling water circulation, the cooling water circulation is filled with a cooling medium, and the cooling medium contains dissolved air;

[0030] The impeller assembly 14 includes a shaft, an impeller, a housing, and a second gear 143. The housing has a second inlet 141 and a second outlet 142 that are perpendicular to each other. The shaft passes through the housing. The impeller is located on the portion of the shaft inside the housing. The second gear 143 is located on the portion of the shaft outside the housing. The first gear 113 and the second gear 143 mesh.

[0031] The heating device 2 includes a heating body 21, a circulating pump 22, and a heat exchanger 23. The heating body 21 includes a third inlet and a third outlet. The heat exchanger 23 includes an inlet manifold 231, an outlet manifold 232, and multiple heat exchange sleeves 233. The multiple heat exchange sleeves 233 are sealed around the outer periphery of the heat exchange pipe 12 and are spaced apart. Each heat exchange sleeve 233 includes an inlet 2331 and an outlet 2332. The inlet 2331 is connected to the inlet manifold 231, and the outlet 2332 is connected to the outlet manifold 232. The outlet manifold 232 is connected to a second inlet 141. The second outlet 142 is connected to the third inlet via the circulating pump 22. The third outlet is connected to the inlet manifold 231 via a bend pipe 4 to form a heat cycle. The heat cycle contains circulating liquid.

[0032] When the energy-saving water pump 1 is working, the circulating pump 22 is started simultaneously to start the hot water circulation and cooling water circulation; the heating device 2 heats the circulating liquid, and the circulating liquid intermittently heats the heat exchange pipe 12 through multiple heat exchange sleeves 233 to form alternating cold zones 121 and hot zones 122. In the hot zone 122, the cooling medium in the heat exchange pipe 12 is uniformly heated, causing dissolved air to precipitate and flow through the cold zone 121 under the action of the cooling medium flow, forming an air film on the inner wall of the heat exchange pipe 12, so that the resistance between the cooling medium and the inner wall of the cold zone 121 is reduced; in the cold zone 121, the air film is destroyed due to the temperature change of the cooling medium and flows through the hot zone 122 under the action of the cooling medium flow, contacting the inner wall and improving the heat exchange effect; after the circulating liquid is cooled by the heat exchange pipe 12, it passes through the liquid outlet main pipe 232 and impacts the impeller under the action of gravitational potential energy, driving the first gear 113 to rotate, which in turn drives the pump shaft of the pump 11 to do work.

[0033] As described above, by setting up a pump 11, a vertical heat exchange pipe 12, and multiple heat exchange sleeves 233 to intermittently heat the heat exchange pipe 12, alternating cold zones 121 and hot zones 122 are formed. In the hot zone 122, the vertical heat exchange pipe 12 can form an air film on the inner wall of the cooling heat exchange pipe 12 (the formation of the air film takes time, and combined with the flow rate of the cooling medium, the air film in the hot zone 122 can be completely formed in the cold zone 121). Furthermore, since the heat exchange pipe 12 is a circular pipe, the air film, under the influence of gravity downwards and buoyancy upwards, combined with the circular pipe, ensures that the pressure on the inner wall of the heat exchange pipe 12 is uniform across the same cross-section, thus forming a uniform air film. This uniform air film reduces the resistance of the cooling medium, thereby reducing the power consumption of the pump 11 and achieving energy saving. Moreover, since existing heating elements 21, such as those used in steel and petrochemical industries, are of various high-temperature resistant properties... The furnace and refining tower are originally vertically installed, and the circulating pump 22 of the heating pump body itself needs to overcome the gravitational potential energy. In the present, this part of the energy is wasted. However, through the meshing of the first gear 113 and the second gear 143, the wasted gravitational potential energy can be reused as the energy source of the pump 11, achieving secondary energy saving. At the same time, because the gravitational potential energy is utilized, the pressure difference inside the pipe in the heat circulation tends to be balanced, avoiding the impact of the coolant gravity on the circulating pump 22, and further extending the service life of the circulating pump 22. The first inlet 111 is connected to the cooling tower 13 through the bend pipe 4. There is only one bend in the cooling water circulation. The other bends are achieved by the structural design of each piece of equipment, which can greatly reduce the bends in the cooling water circulation, thereby reducing the chance of turbulence and thus achieving drag reduction, and thus achieving tertiary energy saving.

[0034] Furthermore, when the heat exchange pipe 12 is arranged with the lowest point as the starting point and the highest point as the ending point, and the cold zone 121 and hot zone 122 are arranged in an alternating manner, the hot zone 122 is the starting point and the cold zone 121 is the ending point.

[0035] As can be seen from the above description, by using the hot zone 122 as the lowest starting point and the highest ending point, it can be ensured that the subsequent heat exchange pipes 12 can form bubbles in the interlacing. At the same time, the cold zone 121 is set at the end point to ensure that there are no bubbles on the inner wall of the pipe after the bend, thus avoiding aggravating the formation of turbulence or turbulent flow at the bend.

[0036] Furthermore, the heat exchange sleeve 233 has two or more inlets 2331.

[0037] As can be seen from the above description, the contact area between the cooling water and the heat exchange pipe 12 can be guaranteed by having two or more inlets 2331. Since the heat exchange pipe 12 is circular, it can achieve uniform heating.

[0038] Furthermore, the inlet 2331 and outlet 2332 of the heat exchange sleeve 233 are arranged in a circumferential array.

[0039] As can be seen from the above description, circumferential array arrangement can further ensure uniform heating.

[0040] Furthermore, the inlet 2331 and outlet 2332 of the heat exchange sleeve 233 are inclined, and the inclination directions of the inlet 2331 and outlet 2332 are opposite.

[0041] As can be seen from the above description, the inclined inlet 2331 and outlet 2332 can increase the flow rate and ensure rapid heat exchange.

[0042] Furthermore, the surface of the heat exchange pipe 12 corresponding to the heat zone 122 is provided with multiple layers of heat exchange thin rings 123 arranged vertically.

[0043] As can be seen from the above description, the heat exchange effect can be improved by using the heat exchange thin ring 123.

[0044] Furthermore, the energy-saving water pump 1 also includes a clutch 5, a controller, and an impact sensor. The pump 11, clutch 5, and impact sensor are electrically connected to the controller, and the first gear 113 and the second gear 143 are connected through the clutch 5.

[0045] The impact sensor is installed inside the second inlet 141. The controller determines the impact power based on the impact sensor. If the impact power is greater than a preset value, the controller controls the clutch 5 to separate the first gear 113 and the second gear 143.

[0046] As can be seen from the above description, clutch 5 can prevent the water pump from being subjected to excessive impact, thus ensuring the service life of the water pump.

[0047] Furthermore, the energy-saving water pump 1 also includes a storage battery and a generator 6, which are electrically connected to the controller respectively; the generator 6 has a third gear 61, and the first gear 113 and the third gear 61 are connected by a clutch 5;

[0048] If the impact power is greater than the preset value, the controller controls the clutch 5 to separate the first gear 113 and the second gear 143 and mesh with the third gear 61 to input kinetic energy into the generator 6. The electrical energy generated by the generator 6 enters the battery through the controller or is directly supplied to the water pump.

[0049] As can be seen from the above description, since the water pressure of cooling water is not constant in actual production and fluctuates to some extent, the generator 6 can absorb the impact that the water pump cannot withstand, generate electricity, and then supply the water pump, thus achieving four energy savings.

[0050] Furthermore, the first gear 113, the second gear 143, the third gear 61, and the clutch 5 are housed within the same protective housing.

[0051] Furthermore, the straight pipe 3 and the bent pipe 4 are provided with heat dissipation fins.

[0052] As can be seen from the above description, heat dissipation fins can be used to simultaneously dissipate heat in the pipes, thereby improving the heat dissipation effect and reducing the water pump load.

[0053] Example 1

[0054] An energy-saving water pump 1 for cooling water circulation is used to transport cooling medium to cool a heating device 2. The energy-saving water pump 1 includes a pump motor 11, a heat exchange pipe 12, a cooling tower 13, and connecting pipes. The connecting pipes include straight pipes 3 and bent pipes 4. The heat exchange pipe 12 is a circular pipe.

[0055] The pump 11 includes a first inlet 111, a first outlet 112, a pump shaft, a first gear 113, and an impact turbine assembly 14; the first gear 113 is connected to the pump shaft; the first inlet 111 and the first outlet 112 are perpendicular to each other, and the first outlet 112 is vertically upward; the heat exchange pipe 12 is vertically arranged, the first outlet 112 is located at the bottom of the heat exchange pipe 12 and is directly connected to the heat exchange pipe 12; the first inlet 111 is connected to the cooling tower 13 through a bend pipe 4, and the cooling tower 13 is connected to the first inlet 111 through a straight pipe 3 to form a cooling water circulation, the cooling water circulation is filled with a cooling medium, and the cooling medium contains dissolved air;

[0056] The impeller assembly 14 includes a shaft, an impeller, a housing, and a second gear 143. The housing has a second inlet 141 and a second outlet 142 that are perpendicular to each other. The shaft passes through the housing. The impeller is located on the portion of the shaft inside the housing. The second gear 143 is located on the portion of the shaft outside the housing. The first gear 113 and the second gear 143 mesh.

[0057] The heating device 2 includes a heating body 21, a circulating pump 22, and a heat exchanger 23. The heating body 21 includes a third inlet and a third outlet. The heat exchanger 23 includes an inlet manifold 231, an outlet manifold 232, and multiple heat exchange sleeves 233. The multiple heat exchange sleeves 233 are sealed around the outer periphery of the heat exchange pipe 12 and are spaced apart. Each heat exchange sleeve 233 includes an inlet 2331 and an outlet 2332. The inlet 2331 is connected to the inlet manifold 231, and the outlet 2332 is connected to the outlet manifold 232. The outlet manifold 232 is connected to a second inlet 141. The second outlet 142 is connected to the third inlet via the circulating pump 22. The third outlet is connected to the inlet manifold 231 via a bend pipe 4 to form a heat cycle. The heat cycle contains circulating liquid.

[0058] When the energy-saving water pump 1 is working, the circulating pump 22 is started simultaneously to start the hot water circulation and cooling water circulation; the heating device 2 heats the circulating liquid, and the circulating liquid intermittently heats the heat exchange pipe 12 through multiple heat exchange sleeves 233 to form alternating cold zones 121 and hot zones 122. In the hot zone 122, the cooling medium in the heat exchange pipe 12 is uniformly heated, causing dissolved air to precipitate and flow through the cold zone 121 under the action of the cooling medium flow, forming an air film on the inner wall of the heat exchange pipe 12, so that the resistance between the cooling medium and the inner wall of the cold zone 121 is reduced; in the cold zone 121, the air film is destroyed due to the temperature change of the cooling medium and flows through the hot zone 122 under the action of the cooling medium flow, contacting the inner wall and improving the heat exchange effect; after the circulating liquid is cooled by the heat exchange pipe 12, it passes through the liquid outlet main pipe 232 and impacts the impeller under the action of gravitational potential energy, driving the first gear 113 to rotate, which in turn drives the pump shaft of the pump 11 to do work.

[0059] When the heat exchange pipe 12 is arranged with the lowest point as the starting point and the highest point as the ending point, and the cold zone 121 and hot zone 122 are arranged in an alternating manner, the hot zone 122 is the starting point and the cold zone 121 is the ending point.

[0060] The heat exchange sleeve 233 has two or more inlets 2331.

[0061] The inlet 2331 and outlet 2332 of the heat exchange sleeve 233 are arranged in a circumferential array.

[0062] The inlet 2331 and outlet 2332 of the heat exchange sleeve 233 are inclined, and the inclination directions of the inlet 2331 and outlet 2332 are opposite.

[0063] The surface of the heat exchange pipe 12 corresponding to the heat zone 122 is provided with multiple layers of heat exchange thin rings 123 arranged vertically.

[0064] The energy-saving water pump 1 also includes a clutch 5, a controller and an impact sensor. The pump 11, clutch 5 and impact sensor are electrically connected to the controller. The first gear 113 and the second gear 143 are connected through the clutch 5.

[0065] The impact sensor is installed inside the second inlet 141. The controller determines the impact power based on the impact sensor. If the impact power is greater than a preset value, the controller controls the clutch 5 to separate the first gear 113 and the second gear 143.

[0066] The energy-saving water pump 1 also includes a storage battery and a generator 6, which are electrically connected to the controller respectively; the generator 6 has a third gear 61, and the first gear 113 and the third gear 61 are connected by a clutch 5;

[0067] If the impact power is greater than the preset value, the controller controls the clutch 5 to separate the first gear 113 and the second gear 143 and mesh with the third gear 61 to input kinetic energy into the generator 6. The electrical energy generated by the generator 6 enters the battery through the controller or is directly supplied to the water pump.

[0068] The first gear 113, the second gear 143, the third gear 61, and the clutch 5 are housed in the same protective housing.

[0069] The straight pipe 3 and the bent pipe 4 are equipped with heat dissipation fins.

[0070] Example 2

[0071] An energy-saving water pump 1 for cooling water circulation is used to transport cooling medium to cool a heating device 2. The energy-saving water pump 1 includes a pump motor 11, a heat exchange pipe 12, a cooling tower 13, and connecting pipes. The connecting pipes include straight pipes 3 and bent pipes 4. The heat exchange pipe 12 is a circular pipe.

[0072] The pump 11 includes a first inlet 111, a first outlet 112, a pump shaft, a first gear 113, and an impact turbine assembly 14; the first gear 113 is connected to the pump shaft; the first inlet 111 and the first outlet 112 are perpendicular to each other, and the first outlet 112 is vertically upward; the heat exchange pipe 12 is vertically arranged, the first outlet 112 is located at the bottom of the heat exchange pipe 12 and is directly connected to the heat exchange pipe 12; the first inlet 111 is connected to the cooling tower 13 through a bend pipe 4, and the cooling tower 13 is connected to the first inlet 111 through a straight pipe 3 to form a cooling water circulation, the cooling water circulation is filled with a cooling medium, and the cooling medium contains dissolved air;

[0073] The impeller assembly 14 includes a shaft, an impeller, a housing, and a second gear 143. The housing has a second inlet 141 and a second outlet 142 that are perpendicular to each other. The shaft passes through the housing. The impeller is located on the portion of the shaft inside the housing. The second gear 143 is located on the portion of the shaft outside the housing. The first gear 113 and the second gear 143 mesh.

[0074] The heating device 2 includes a heating body 21, a circulating pump 22, and a heat exchanger 23. The heating body 21 includes a third inlet and a third outlet. The heat exchanger 23 includes an inlet manifold 231, an outlet manifold 232, and multiple heat exchange sleeves 233. The multiple heat exchange sleeves 233 are sealed around the outer periphery of the heat exchange pipe 12 and are spaced apart. Each heat exchange sleeve 233 includes an inlet 2331 and an outlet 2332. The inlet 2331 is connected to the inlet manifold 231, and the outlet 2332 is connected to the outlet manifold 232. The outlet manifold 232 is connected to a second inlet 141. The second outlet 142 is connected to the third inlet via the circulating pump 22. The third outlet is connected to the inlet manifold 231 via a bend pipe 4 to form a heat cycle. The heat cycle contains circulating liquid.

[0075] When the energy-saving water pump 1 is working, the circulating pump 22 is started simultaneously to start the hot water circulation and cooling water circulation; the heating device 2 heats the circulating liquid, and the circulating liquid intermittently heats the heat exchange pipe 12 through multiple heat exchange sleeves 233 to form alternating cold zones 121 and hot zones 122. In the hot zone 122, the cooling medium in the heat exchange pipe 12 is uniformly heated, causing dissolved air to precipitate and flow through the cold zone 121 under the action of the cooling medium flow, forming an air film on the inner wall of the heat exchange pipe 12, so that the resistance between the cooling medium and the inner wall of the cold zone 121 is reduced; in the cold zone 121, the air film is destroyed due to the temperature change of the cooling medium and flows through the hot zone 122 under the action of the cooling medium flow, contacting the inner wall and improving the heat exchange effect; after the circulating liquid is cooled by the heat exchange pipe 12, it passes through the liquid outlet main pipe 232 and impacts the impeller under the action of gravitational potential energy, driving the first gear 113 to rotate, which in turn drives the pump shaft of the pump 11 to do work.

[0076] When the heat exchange pipe 12 is arranged with the lowest point as the starting point and the highest point as the ending point, and the cold zone 121 and hot zone 122 are arranged in an alternating manner, the hot zone 122 is the starting point and the cold zone 121 is the ending point.

[0077] The heat exchange sleeve 233 has two or more inlets 2331.

[0078] The inlet 2331 and outlet 2332 of the heat exchange sleeve 233 are arranged in a circumferential array.

[0079] The inlet 2331 and outlet 2332 of the heat exchange sleeve 233 are inclined, and the inclination directions of the inlet 2331 and outlet 2332 are opposite.

[0080] The surface of the heat exchange pipe 12 corresponding to the heat zone 122 is provided with multiple layers of heat exchange thin rings 123 arranged vertically.

[0081] The energy-saving water pump 1 also includes a clutch 5, a controller and an impact sensor. The pump 11, clutch 5 and impact sensor are electrically connected to the controller. The first gear 113 and the second gear 143 are connected through the clutch 5.

[0082] The impact sensor is installed inside the second inlet 141. The controller determines the impact power based on the impact sensor. If the impact power is greater than a preset value, the controller controls the clutch 5 to separate the first gear 113 and the second gear 143.

[0083] The straight pipe 3 and the bent pipe 4 are equipped with heat dissipation fins.

[0084] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent modifications made based on the content of the present invention specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of the present invention.

Claims

1. An energy-saving water pump for cooling water circulation, used to transport cooling medium for cooling a heating device, characterized in that, The energy-saving water pump includes a pump motor, heat exchange pipes, a cooling tower, and connecting pipes. The connecting pipes include straight pipes and bent pipes. The heat exchange pipes are circular pipes. The pump includes a first inlet, a first outlet, a pump shaft, a first gear, and an impact turbine assembly; the first gear is connected to the pump shaft; the first inlet and the first outlet are perpendicular to each other, and the first outlet is vertically upward; the heat exchange pipe is vertically arranged, the first outlet is located at the bottom of the heat exchange pipe and is directly connected to the heat exchange pipe; the first inlet is connected to the cooling tower through a bend pipe, and the cooling tower is connected to the first inlet through a straight pipe to form a cooling water circulation, the cooling water circulation is filled with a cooling medium, and the cooling medium contains dissolved air; The impeller assembly includes a shaft, an impeller, a housing, and a second gear. The housing has a second inlet and a second outlet that are perpendicular to each other. The shaft passes through the housing. The impeller is located on the portion of the shaft inside the housing. The second gear is located on the portion of the shaft outside the housing. The first gear and the second gear mesh. The heating device includes a heating body, a circulating pump, and a heat exchanger. The heating body includes a third inlet and a third outlet. The heat exchanger includes an inlet manifold, an outlet manifold, and multiple heat exchange sleeves. The multiple heat exchange sleeves are sealed and fitted around the outer periphery of the heat exchange pipe, and there is a gap between the multiple heat exchange sleeves. Each heat exchange sleeve includes an inlet and an outlet. The inlet is connected to the inlet manifold, and the outlet is connected to the outlet manifold. The outlet manifold is connected to a second inlet. The second outlet is connected to the third inlet via the circulating pump. The third outlet is connected to the inlet manifold via a bend pipe to form a heat cycle. The heat cycle contains circulating liquid. When the energy-saving water pump is working, the circulating pump is started simultaneously to initiate the hot water circulation and cooling water circulation. The heating device heats the circulating liquid, which intermittently heats the heat exchange pipes through multiple heat exchange sleeves, forming alternating cold and hot zones. In the hot zone, the cooling medium in the heat exchange pipes is uniformly heated, causing dissolved air to precipitate and flow through the cold zone under the action of the cooling medium, forming an air film on the inner wall of the heat exchange pipes. This reduces the resistance between the cooling medium and the inner wall of the cold zone. In the cold zone, the air film is broken down due to the temperature change of the cooling medium and flows through the hot zone under the action of the cooling medium, contacting the inner wall and improving the heat exchange effect. After being cooled through the heat exchange pipes, the circulating liquid passes through the outlet manifold and impacts the impeller under the action of gravitational potential energy, driving the first gear to rotate and thus driving the pump shaft to do work.

2. The energy-saving water pump for cooling water circulation according to claim 1, characterized in that, With the lowest point of the heat exchange pipeline as the starting point and the highest point as the ending point, when the cold and hot zones are arranged in an alternating manner, the hot zone is the starting point and the cold zone is the ending point.

3. The energy-saving water pump for cooling water circulation according to claim 1, characterized in that, The heat exchange sleeve has two or more inlets.

4. The energy-saving water pump for cooling water circulation according to claim 3, characterized in that, The inlet and outlet of the heat exchange sleeve are arranged in a circumferential array.

5. The energy-saving water pump for cooling water circulation according to claim 4, characterized in that, The inlet and outlet of the heat exchange sleeve are inclined, and the inclination directions of the inlet and outlet are opposite.

6. The energy-saving water pump for cooling water circulation according to claim 1, characterized in that, The surface of the heat exchange pipe corresponding to the hot zone is provided with multiple layers of heat exchange thin rings arranged vertically.

7. The energy-saving water pump for cooling water circulation according to claim 1, characterized in that, The energy-saving water pump also includes a clutch, a controller, and an impact sensor. The pump, clutch, and impact sensor are electrically connected to the controller, and the first gear and the second gear are connected through the clutch. The impact sensor is installed inside the second water inlet. The controller determines the impact power based on the impact sensor. If the impact power is greater than a preset value, the controller controls the clutch to separate the first gear and the second gear.

8. The energy-saving water pump for cooling water circulation according to claim 7, characterized in that, The energy-saving water pump also includes a storage battery and a generator, which are electrically connected to the controller; the generator has a third gear, and the first gear and the third gear are connected by a clutch; If the impact power is greater than the preset value, the controller controls the clutch to separate the first and second gears and engage with the third gear to input kinetic energy into the generator. The electrical energy generated by the generator enters the battery through the controller or is directly supplied to the water pump.

9. The energy-saving water pump for cooling water circulation according to claim 8, characterized in that, The first gear, the second gear, the third gear, and the clutch are housed within the same protective housing.

10. The energy-saving water pump for cooling water circulation according to claim 1, characterized in that, The straight and bent pipes are equipped with heat dissipation fins.

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