Pipeline integrated type hydroelectric generation device and method

Abstract

The invention discloses a pipeline integrated type hydroelectric generation device which comprises a draft tube, a water inlet pipe fixedly connected to one end of the draft tube, a support fixedly connected to the inner wall of the water inlet pipe, a bulb body fixedly connected to the center of the support, a generator fixedly connected into the bulb body, a rotating wheel shaft fixedly connected to an output shaft of the generator and penetrating out of the end, close to the draft tube, of the bulb body. The end, away from the draft tube, of the bulb body is sealed through a sealing device, a plurality of guide vanes are fixedly connected to the outer wall of the bulb body in the circumferential direction, a through hole is formed in the outer wall of the water inlet tube, and a wire of the generator penetrates through the water inlet tube through the support and the through hole. The invention further discloses a pipeline integrated type hydroelectric generation method. According to the pipeline integrated type hydraulic power generation device and the power generation method, the construction difficulty and the transformation cost of installation and transformation of an existing residual pressure power generation system are reduced, and the energy recycling efficiency is greatly improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of residual pressure power generation, and in particular relates to a pipeline-integrated hydropower generation device, and also relates to a pipeline-integrated hydropower generation method. Background Art

[0002] In the current industrial, steel, metallurgical, chemical and other industries, there is redundant pressure energy in a small number of pipelines during the production process. Since the traditional throttling and pressure reduction method is direct discharge, it is not utilized, resulting in waste of residual pressure energy. Pipeline residual pressure power generation technology can reduce the consumption of fossil energy, enhance energy recycling, and accelerate the construction of ecological civilization and high-quality development. The industrial circulating water system residual pressure power generation uses a forward-extended shaft-type tubular turbine placed in the upper tower pipeline of the circulating water system cooling tower, and uses excess pressure energy to drive the turbine unit to generate electricity, thereby realizing energy recycling and achieving the purpose of energy conservation and emission reduction.

[0003] Most of the existing pipeline residual pressure power generation technologies adopt an external volute, forward-extended shaft cross-flow turbine layout, placing the generator outside the pipeline, which has a complex structure, large size, complex installation and low efficiency. In addition, traditional turbines with adjustable guide vane opening, adjustable runner blade angle and relays have complex adjustment and control systems. Summary of the invention The purpose of the present invention is to provide a pipeline-integrated hydroelectric power generation device, which reduces the construction difficulty and transformation cost of the installation and transformation of the existing residual pressure power generation system and greatly improves the energy recovery efficiency.

[0004] Another object of the present invention is to provide a pipeline-integrated hydroelectric power generation method.

[0005] The technical solution adopted by the present invention is a pipeline-integrated hydroelectric power generation device, including a tailwater pipe, one end of the tailwater pipe is fixedly connected to an inlet pipe, a bracket is fixedly connected to the inner wall of the inlet pipe, a bulb body is fixedly connected to the center of the bracket, a generator is fixedly connected to the bulb body, a runner shaft is fixedly connected to the output shaft of the generator, the runner shaft passes through one end of the bulb body close to the tailwater pipe, a runner is sleeved on the outer wall of the other end of the runner shaft, the end of the bulb body away from the tailwater pipe is sealed by a sealing device, a plurality of guide vanes are fixedly connected to the outer wall of the bulb body along the circumferential direction, a through hole is opened on the outer wall of the inlet pipe, and the wires of the generator pass through the bracket and the through hole to pass through the inlet pipe.

[0006] The present invention is also characterized in that: The tailwater pipe is composed of a tailwater pipe linear section and a tailwater pipe conical section, and one end of the tailwater pipe linear section is connected to the large-mouth end of the tailwater pipe conical section.

[0007] The water inlet pipe is composed of a water inlet pipe linear section and a water inlet pipe conical section. One end of the water inlet pipe linear section is connected with the large-mouth end of the water inlet pipe conical section.

[0008] The small-mouth end of the tapered section of the tailwater pipe is connected to the small-mouth end of the tapered section of the inlet pipe.

[0009] The guide vanes are all negative curvature airfoils, are arranged on the outer wall of the bulb body corresponding to the conical section of the water inlet pipe, and the other ends of the guide vanes are fixedly connected to the inner wall of the conical section of the water inlet pipe.

[0010] The runner is arranged on the outer wall of the runner shaft corresponding to the connection between the tapered section of the tailwater pipe and the tapered section of the inlet pipe.

[0011] The impeller is designed by using a wooden model to outline the blade profile. The outer surface of the impeller is coated with a smooth layer. The impeller includes a hub, which is sleeved on the outer wall of the impeller shaft. Six blades are evenly fixed to the outer wall of the hub along the circumferential direction. The six blades are arranged at the connection between the tapered section of the tailwater pipe and the tapered section of the inlet pipe.

[0012] Another technical solution adopted by the present invention is a pipeline integrated hydroelectric power generation method, comprising the following steps: Step 1: Let the water flow along the water inlet pipe toward the tailwater pipe; Step 2: The water flows through the bracket for preliminary diversion, and then enters the runner at a certain speed and direction after being guided by the guide vane; Step 3: The impeller starts to rotate, converting the kinetic energy of the water into rotational mechanical energy and transmitting it to the generator through the impeller shaft, and the generator starts to generate electricity.

[0013] The beneficial effects of the present invention are: The pipeline integrated hydroelectric power generation device and power generation method provided by the present invention have high operating stability, high reliability, low device production cost, small investment and high return, convenient installation, considerable economic benefits, high promotion and application value, and play a positive role in promoting the modern industrial construction system, promoting the transformation and upgrading of energy structure and the development of smart energy; the present invention places the generator in the bulb cavity behind the rotor, and designs a bracket on the cavity to play a supporting role and lead out the wires; the whole device is integrated, which greatly reduces the construction difficulty and transformation cost of the installation and transformation of the residual pressure power generation system; the guide vane opening is not adjustable, the rotor blade angle is not adjustable, There is no relay, so there is no turbine regulation and control system, and the mechanical regulation and control system is simple; there is a good sealing device, which seals the DC generator in the bulb body to ensure that water will not leak into the generator cavity, eliminate the occurrence of safety hazards, and has high safety performance; the device is small in size, low in investment cost, and stable in equipment operation. It can convert pipeline surplus energy into high-quality electrical energy, which greatly improves the energy recovery efficiency compared with the traditional water discharge without any pressure reduction measures; no pollutants are discharged during use, which reduces carbon emissions and is green and environmentally friendly; this device can produce considerable electricity in specific application scenarios, and the energy saving and emission reduction effect is obvious. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the pipeline integrated hydroelectric power generation device of the present invention.

[0015] In the figure, 1. tailwater pipe, 101. tailwater pipe linear section, 102. tailwater pipe conical section, 2. water inlet pipe, 201. water inlet pipe linear section, 202. water inlet pipe conical section, 3. runner shaft, 4. bracket, 5. generator, 6. runner, 601. wheel hub, 602. blade, 7. guide vane, 8. bulb body, 9. sealing device, DETAILED DESCRIPTION The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0016] The pipeline integrated hydroelectric power generation device provided by the present invention is as follows: Figure 1 As shown, it includes a tailwater pipe 1, one end of the tailwater pipe 1 is fixedly connected to an inlet pipe 2, the inner wall of the inlet pipe 2 is fixedly connected to a bracket 4, a bulb body 8 is fixedly connected to the center of the bracket 4, a generator 5 is fixedly connected to the bulb body 8, the output shaft of the generator 5 is fixedly connected to a runner shaft 3, the runner shaft 3 passes through the bulb body 8 close to the end of the tailwater pipe 1, and the outer wall of the other end of the runner shaft 3 is sleeved with a runner 6 to realize energy conversion, and the end of the bulb body 8 away from the tailwater pipe 1 is sealed by a sealing device 9, and the bulb body 8 and the sealing device 9 together form a closed space. , the generator 5 is sealed therein to avoid the occurrence of safety hazards. The outer wall of the bulb body 8 is fixedly connected with a plurality of guide vanes 7 along the circumferential direction. A through hole is opened on the outer wall of the water inlet pipe 2. The wire of the generator 5 passes through the bracket 4 and the through hole to pass through the water inlet pipe 2; the tailwater pipe 1 is composed of a tailwater pipe linear section 101 and a tailwater pipe conical section 102. One end of the tailwater pipe linear section 101 is connected to the large end of the tailwater pipe conical section 102. The water flow inside is uniform and the resistance is small; the water inlet pipe 2 is composed of a water inlet pipe linear section 201 and a water inlet pipe conical section 202. The water inlet pipe linear section 201 is connected to the large end of the water inlet pipe conical section 202 at one end; the small end of the tailwater pipe conical section 102 is connected to the small end of the water inlet pipe conical section 202, which can ensure that the water flow has no large turning angle in the flow channel, thereby improving the flow capacity and hydraulic efficiency; a plurality of guide vanes 7 are all negative curvature airfoils, which are conducive to diversion. A plurality of guide vanes 7 are arranged on the outer wall of the bulb body 8 corresponding to the water inlet pipe conical section 202, and the other ends of a plurality of guide vanes 7 are fixedly connected to the inner wall of the water inlet pipe conical section 202, so as to change the water flow speed and direction. Direction; the runner 6 is arranged on the outer wall of the runner shaft 3 corresponding to the connection between the tailwater pipe conical section 102 and the inlet pipe conical section 202; the runner 6 is designed by using the method of outlining the blade profile with a wooden model, and the outer surface of the runner 6 is coated with a smooth layer. The runner 6 includes a hub 601, which is sleeved on the outer wall of the runner shaft 3. Six blades 602 are evenly fixed to the outer wall of the hub 601 along the circumferential direction. The six blades 602 are arranged at the connection between the tailwater pipe conical section 102 and the inlet pipe conical section 202, and are key components for energy conversion.

[0017] The pipeline integrated hydroelectric power generation device provided by the present invention has the following working principle: the whole device is placed in the pipeline, water flows in from the water inlet pipe 2 from right to left, first flows through the bracket 4 which plays a guiding support role, the water flow is divided, and then flows through the guide vane 7 which has a guiding support role, and the water flow enters the impeller 6 at a certain speed and direction after the guiding water flow, and the impeller 6 starts to rotate after the impact of the water flow, and the kinetic energy of the water flow is converted into rotational mechanical energy. Since the generator 5 and the impeller 6 are connected through the impeller shaft 3, the generator 5 starts to rotate to generate electricity, converting the rotational mechanical energy into electrical energy, and the wires of the engine 5 are connected to the LED bulb, and the reliable operation of the device is checked by observing whether the LED bulb lights up.

[0018] Example 1 The pipeline integrated hydroelectric power generation device proposed in this embodiment is as follows: Figure 1 As shown, it includes a tailwater pipe 1, one end of the tailwater pipe 1 is fixedly connected to an inlet pipe 2, the inner wall of the inlet pipe 2 is fixedly connected to a bracket 4, a bulb body 8 is fixedly connected to the center of the bracket 4, a generator 5 is fixedly connected to the bulb body 8, the output shaft of the generator 5 is fixedly connected to a runner shaft 3, the runner shaft 3 passes through the bulb body 8 at one end close to the tailwater pipe 1, a runner 6 is sleeved on the outer wall of the other end of the runner shaft 3, the end of the bulb body 8 away from the tailwater pipe 1 is sealed by a sealing device 9, a plurality of guide vanes 7 are fixedly connected to the outer wall of the bulb body 8 along the circumferential direction, a through hole is opened on the outer wall of the inlet pipe 2, and the wire of the generator 5 passes through the bracket 4 and the through hole to pass through the inlet pipe 2.

[0019] Example 2 The pipeline integrated hydroelectric power generation device proposed in this embodiment is as follows: Figure 1 As shown, it includes a tailwater pipe 1, one end of the tailwater pipe 1 is fixedly connected to an inlet pipe 2, the inner wall of the inlet pipe 2 is fixedly connected to a bracket 4, a bulb body 8 is fixedly connected to the center of the bracket 4, a generator 5 is fixedly connected to the bulb body 8, the output shaft of the generator 5 is fixedly connected to a runner shaft 3, the runner shaft 3 passes through the bulb body 8 at one end close to the tailwater pipe 1, and a runner 6 is sleeved on the outer wall of the other end of the runner shaft 3, the end of the bulb body 8 away from the tailwater pipe 1 is sealed by a sealing device 9, a plurality of guide vanes 7 are fixedly connected to the outer wall of the bulb body 8 along the circumferential direction, a through hole is opened on the outer wall of the inlet pipe 2, and the wire of the generator 5 passes through the bracket 4 and the through hole to pass through the inlet pipe 2; the tailwater pipe 1 is composed of a tailwater pipe linear section 101 and a tailwater pipe conical section 102, and one end of the tailwater pipe linear section 101 is connected to the large-mouth end of the tailwater pipe conical section 102.

[0020] Example 3 The pipeline integrated hydroelectric power generation device proposed in this embodiment is as follows: Figure 1As shown, it comprises a tailwater pipe 1, one end of the tailwater pipe 1 is fixedly connected to an inlet pipe 2, the inner wall of the inlet pipe 2 is fixedly connected to a bracket 4, a bulb body 8 is fixedly connected to the center of the bracket 4, a generator 5 is fixedly connected to the bulb body 8, a runner shaft 3 is fixedly connected to the output shaft of the generator 5, the runner shaft 3 passes through the end of the bulb body 8 close to the tailwater pipe 1, a runner 6 is sleeved on the outer wall of the other end of the runner shaft 3, the end of the bulb body 8 away from the tailwater pipe 1 is sealed by a sealing device 9, and the outer wall of the bulb body 8 is fixedly connected to the tailwater pipe 1 along the circumferential direction. There are a number of guide vanes 7, and a through hole is opened on the outer wall of the water inlet pipe 2. The wire of the generator 5 passes through the bracket 4 and the through hole to pass through the water inlet pipe 2; the tailwater pipe 1 is composed of a tailwater pipe linear section 101 and a tailwater pipe conical section 102, and one end of the tailwater pipe linear section 101 is connected to the large end of the tailwater pipe conical section 102; the water inlet pipe 2 is composed of a water inlet pipe linear section 201 and a water inlet pipe conical section 202, and one end of the water inlet pipe linear section 201 is connected to the large end of the water inlet pipe conical section 202.

[0021] Example 4 The pipeline integrated hydroelectric power generation device proposed in this embodiment is as follows: Figure 1 As shown, it comprises a tailwater pipe 1, one end of the tailwater pipe 1 is fixedly connected to an inlet pipe 2, an inner wall of the inlet pipe 2 is fixedly connected to a bracket 4, a bulb body 8 is fixedly connected to the center of the bracket 4, a generator 5 is fixedly connected to the bulb body 8, a runner shaft 3 is fixedly connected to the output shaft of the generator 5, the runner shaft 3 passes through the bulb body 8 at one end close to the tailwater pipe 1, a runner 6 is sleeved on the outer wall of the other end of the runner shaft 3, the end of the bulb body 8 away from the tailwater pipe 1 is sealed by a sealing device 9, a plurality of guide vanes 7 are fixedly connected to the outer wall of the bulb body 8 along the circumferential direction, and the outer wall of the inlet pipe 2 is opened. A through hole is provided, and the wire of the generator 5 passes through the bracket 4 and the through hole to pass through the water inlet pipe 2; the tailwater pipe 1 is composed of a tailwater pipe linear section 101 and a tailwater pipe conical section 102, and one end of the tailwater pipe linear section 101 is connected to the large end of the tailwater pipe conical section 102; the water inlet pipe 2 is composed of a water inlet pipe linear section 201 and a water inlet pipe conical section 202, and one end of the water inlet pipe linear section 201 is connected to the large end of the water inlet pipe conical section 202; the small end of the tailwater pipe conical section 102 is connected to the small end of the water inlet pipe conical section 202.

[0022] Example 5 The pipeline integrated hydroelectric power generation device proposed in this embodiment is as follows: Figure 1As shown, it comprises a tailwater pipe 1, one end of the tailwater pipe 1 is fixedly connected to an inlet pipe 2, an inner wall of the inlet pipe 2 is fixedly connected to a bracket 4, a bulb body 8 is fixedly connected to the center of the bracket 4, a generator 5 is fixedly connected to the bulb body 8, an output shaft of the generator 5 is fixedly connected to a runner shaft 3, the runner shaft 3 passes through an end of the bulb body 8 close to the tailwater pipe 1, a runner 6 is sleeved on the outer wall of the other end of the runner shaft 3, an end of the bulb body 8 away from the tailwater pipe 1 is sealed by a sealing device 9, a plurality of guide vanes 7 are fixedly connected to the outer wall of the bulb body 8 along the circumferential direction, a through hole is opened on the outer wall of the inlet pipe 2, and the wire of the generator 5 passes through the bracket 4 and the through hole to pass through the inlet pipe 2; the tailwater pipe 1 is formed by a tailwater pipe 1 and a tailwater pipe 1 is provided with a tailwater pipe 1. The water pipe linear section 101 is composed of a tailwater pipe conical section 102, and one end of the tailwater pipe linear section 101 is connected to the large end of the tailwater pipe conical section 102; the water inlet pipe 2 is composed of a water inlet pipe linear section 201 and a water inlet pipe conical section 202, and one end of the water inlet pipe linear section 201 is connected to the large end of the water inlet pipe conical section 202; the small end of the tailwater pipe conical section 102 is connected to the small end of the water inlet pipe conical section 202; a plurality of guide vanes 7 are all negative curvature airfoils, and a plurality of guide vanes 7 are arranged on the outer wall of the bulb body 8 corresponding to the water inlet pipe conical section 202, and the other ends of a plurality of guide vanes 7 are fixedly connected to the inner wall of the water inlet pipe conical section 202.

[0023] Example 6 The pipeline integrated hydroelectric power generation device proposed in this embodiment is as follows: Figure 1 As shown, it comprises a tailwater pipe 1, one end of the tailwater pipe 1 is fixedly connected to an inlet pipe 2, an inner wall of the inlet pipe 2 is fixedly connected to a bracket 4, a bulb body 8 is fixedly connected to the center of the bracket 4, a generator 5 is fixedly connected to the bulb body 8, an output shaft of the generator 5 is fixedly connected to a runner shaft 3, the runner shaft 3 passes through an end of the bulb body 8 close to the tailwater pipe 1, a runner 6 is sleeved on the outer wall of the other end of the runner shaft 3, an end of the bulb body 8 away from the tailwater pipe 1 is sealed by a sealing device 9, a plurality of guide vanes 7 are fixedly connected to the outer wall of the bulb body 8 along the circumferential direction, a through hole is opened on the outer wall of the inlet pipe 2, and the wire of the generator 5 passes through the bracket 4 and the through hole to pass through the inlet pipe 2; the tailwater pipe 1 is formed by a tailwater pipe 1 and a tailwater pipe 1 is provided with a tailwater pipe 1. The water pipe linear section 101 is composed of a tailwater pipe conical section 102, and one end of the tailwater pipe linear section 101 is connected to the large end of the tailwater pipe conical section 102; the water inlet pipe 2 is composed of a water inlet pipe linear section 201 and a water inlet pipe conical section 202, and one end of the water inlet pipe linear section 201 is connected to the large end of the water inlet pipe conical section 202; the small end of the tailwater pipe conical section 102 is connected to the small end of the water inlet pipe conical section 202; a plurality of guide vanes 7 are all negative curvature airfoils, and a plurality of guide vanes 7 are arranged on the outer wall of the bulb body 8 corresponding to the water inlet pipe conical section 202, and the other ends of a plurality of guide vanes 7 are fixedly connected to the inner wall of the water inlet pipe conical section 202. Example 7 The pipeline integrated hydroelectric power generation device proposed in this embodiment is as follows: Figure 1As shown, it includes a tailwater pipe 1, one end of the tailwater pipe 1 is fixedly connected to an inlet pipe 2, the inner wall of the inlet pipe 2 is fixedly connected to a bracket 4, a bulb body 8 is fixedly connected to the center of the bracket 4, a generator 5 is fixedly connected to the bulb body 8, the output shaft of the generator 5 is fixedly connected to a runner shaft 3, the runner shaft 3 passes through the bulb body 8 close to the end of the tailwater pipe 1, the outer wall of the other end of the runner shaft 3 is sleeved with a runner 6, the end of the bulb body 8 away from the tailwater pipe 1 is sealed by a sealing device 9, a plurality of guide vanes 7 are fixedly connected to the outer wall of the bulb body 8 along the circumferential direction, a through hole is opened on the outer wall of the inlet pipe 2, and the wire of the generator 5 passes through the bracket 4 and the through hole to pass through the inlet pipe 2; the tailwater pipe 1 is composed of a tailwater pipe linear section 101 and a tailwater pipe conical section 102, one end of the tailwater pipe linear section 101 is connected to the large end of the tailwater pipe conical section 102; the inlet pipe 2 is composed of an inlet pipe linear section 201 and an inlet pipe conical section 202, One end of the pipeline section 201 is connected to the large end of the water inlet conical section 202; the small end of the tailwater pipe conical section 102 is connected to the small end of the water inlet conical section 202; a plurality of guide vanes 7 are all negative curvature airfoils, a plurality of guide vanes 7 are arranged on the outer wall of the bulb body 8 corresponding to the water inlet conical section 202, and the other ends of a plurality of guide vanes 7 are fixedly connected to the inner wall of the water inlet conical section 202; the runner 6 is arranged on the outer wall of the runner shaft 3 corresponding to the connection between the tailwater pipe conical section 102 and the water inlet conical section 202; the runner 6 is designed by using a method of outlining the blade profile of a wooden model, and a smooth layer is coated on the outer surface of the runner 6, and the runner 6 includes a hub 601, which is sleeved on the outer wall of the runner shaft 3, and six blades 602 are evenly fixedly connected to the outer wall of the hub 601 along the circumferential direction, and the six blades 602 are arranged at the connection between the tailwater pipe conical section 102 and the water inlet conical section 202.

[0024] Example 8 The pipeline integrated hydropower generation method proposed in this embodiment specifically includes the following steps: Step 1: Let the water flow along the water inlet pipe toward the tailwater pipe; Step 2: The water flows through the bracket for preliminary diversion, and then enters the runner at a certain speed and direction after being guided by the guide vane; Step 3: The impeller starts to rotate, converting the kinetic energy of the water into rotational mechanical energy and transmitting it to the generator through the impeller shaft, and the generator starts to generate electricity.

Claims

1. A pipeline integrated hydroelectric power generation device, characterized in that: The invention comprises a tailwater pipe (1), wherein one end of the tailwater pipe (1) is fixedly connected to an inlet pipe (2), the inner wall of the inlet pipe (2) is fixedly connected to a bracket (4), a bulb body (8) is fixedly connected to the center of the bracket (4), a generator (5) is fixedly connected to the bulb body (8), an output shaft of the generator (5) is fixedly connected to a runner shaft (3), the runner shaft (3) passes through one end of the bulb body (8) close to the tailwater pipe (1), a runner (6) is sleeved on the outer wall of the other end of the runner shaft (3), an end of the bulb body (8) away from the tailwater pipe (1) is sealed by a sealing device (9), a plurality of guide vanes (7) are fixedly connected to the outer wall of the bulb body (8) along the circumferential direction, a through hole is opened on the outer wall of the inlet pipe (2), and a wire of the generator (5) passes through the bracket (4) and the through hole and passes through the inlet pipe (2).

2. The pipeline integrated hydroelectric power generation device according to claim 1, characterized in that: The tailwater pipe (1) is composed of a tailwater pipe linear section (101) and a tailwater pipe conical section (102), and one end of the tailwater pipe linear section (101) is connected to the large end of the tailwater pipe conical section (102).

3. The pipeline integrated hydroelectric power generation device according to claim 2, characterized in that: The water inlet pipe (2) is composed of a water inlet pipe linear section (201) and a water inlet pipe conical section (202); one end of the water inlet pipe linear section (201) is connected to the large end of the water inlet pipe conical section (202).

4. The pipeline integrated hydroelectric power generation device according to claim 3, characterized in that: The small-mouth end of the tailwater pipe conical section (102) is connected to the small-mouth end of the water inlet pipe conical section (202).

5. The pipeline integrated hydroelectric power generation device according to claim 3, characterized in that: The plurality of guide vanes (7) are all in the form of negative curvature airfoils, the plurality of guide vanes (7) are arranged on the outer wall of the bulb body (8) corresponding to the conical section (202) of the water inlet pipe, and the other ends of the plurality of guide vanes (7) are fixedly connected to the inner wall of the conical section (202) of the water inlet pipe.

6. The pipeline integrated hydroelectric power generation device according to claim 4, characterized in that: The runner (6) is arranged on the outer wall of the runner shaft (3) corresponding to the connection between the tailwater pipe conical section (102) and the inlet pipe conical section (202).

7. The pipeline integrated hydroelectric power generation device according to claim 4, characterized in that: The impeller (6) is designed by using a method of outlining blade profiles using a wooden model. The outer surface of the impeller (6) is coated with a smooth layer. The impeller (6) comprises a hub (601). The hub (601) is sleeved on the outer wall of the impeller shaft (3). Six blades (602) are evenly fixedly connected to the outer wall of the hub (601) along a circumferential direction. The six blades (602) are arranged at the connection between the tailwater pipe conical section (102) and the inlet pipe conical section (202).

8. A pipeline integrated hydroelectric power generation method, characterized in that: Using the pipeline integrated hydroelectric power generation device as described in any one of claims 1 to 7 specifically comprises the following steps: Step 1: Let the water flow along the water inlet pipe toward the tailwater pipe; Step 2: The water flows through the bracket for preliminary diversion, and then enters the runner at a certain speed and direction after being guided by the guide vane; Step 3: The impeller starts to rotate, converting the kinetic energy of the water into rotational mechanical energy and transmitting it to the generator through the impeller shaft, and the generator starts to generate electricity.

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