Steam differential pressure power generation device

Abstract

The utility model relates to the technical field of power generation devices, and provides a steam differential pressure power generation device which comprises a power generation device body, and further comprises a gas outlet pipe fixedly installed at the end, away from the gas inlet pipe, of the power generation device body, and a gas outlet pipe fixedly installed at the end, away from the gas outlet pipe, of the power generation device body. A turbine is arranged at the end, close to the air inlet pipe, in the power generation device body. The high-speed magnetic suspension generator is fixedly connected to a rotating shaft, away from the air outlet pipe, of the turbine, and radial bearings are arranged at the two ends, away from the high-speed magnetic suspension generator, of the turbine; the axial magnetic bearing is arranged on a rotating shaft of the turbine, and magnetic bearing sensors are arranged at the ends, away from the axial magnetic bearing, of the two radial bearings; when the device is used, the number of times of spraying and pressure reducing is reduced, energy consumption is saved, meanwhile, generated electricity is supplied to a hot water circulating pump of an energy station building for use, the power generation capacity can meet the operation requirement of two 55Kw water pumps, and energy consumption is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of power generation devices, in particular to a steam pressure difference power generation device. Background Art

[0002] A power generation device is a device or system that converts various forms of energy into electrical energy to meet the electricity needs of households, businesses, industries and public service facilities.

[0003] However, the prior art has the following disadvantages when used: the low-pressure steam currently required by the factory is obtained by passing medium- and high-pressure steam through a pressure reducing valve and spray cooling, which causes a large amount of high-quality energy loss in the process of cooling and reducing pressure, and spray cooling requires the use of a water pump, which is not conducive to saving energy consumption. In addition, the existing power generation device needs regular inspection during operation and maintenance when a failure occurs, and the inspection door of the power generation device is generally fixed to the power generation device with multiple screws, which is not conducive to saving time for disassembly and assembly and improving work efficiency. Therefore, a steam pressure difference power generation device is urgently needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that the low-pressure steam required by the current factory is obtained by passing medium and high-pressure steam through a pressure reducing valve and spray cooling, which causes a large amount of high-quality energy loss in the process of cooling and reducing pressure, and the spray cooling requires the use of a water pump, which is not conducive to saving energy consumption. In addition, the existing power generation device needs regular inspection during operation and needs maintenance when a failure occurs, and the inspection door of the power generation device is generally fixed to the power generation device with multiple screws, which is not conducive to saving time for disassembly and assembly work and improving work efficiency.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a steam pressure difference power generation device, comprising: a power generation device body, one end of which is fixedly installed with an air intake pipe, and further comprising:

[0006] An air outlet pipe is fixedly mounted on an end of the power generation device body away from the air inlet pipe, and a turbine is arranged on an end of the power generation device body close to the air inlet pipe;

[0007] A high-speed magnetic levitation generator is fixedly connected to the rotating shaft of the turbine near the air outlet pipe, and radial bearings are arranged at both ends of the rotating shaft of the high-speed magnetic levitation generator;

[0008] An axial magnetic bearing is arranged on the rotating shaft of the turbine, and a magnetic bearing sensor is arranged on one end of the two radial bearings away from the axial magnetic bearing;

[0009] The temperature and pressure reduction device is arranged at the end of the air intake pipe away from the turbine, and a control cabinet is arranged at the end of the power generation device body close to the high-speed magnetic levitation generator.

[0010] Preferably, a grid-connected cabinet is provided at one end of the power generation device body close to the control cabinet, and a communication cabinet is provided at one end of the power generation device body close to the grid-connected cabinet.

[0011] The technical effect of adopting the above further scheme is: medium and high pressure steam enters the turbine in the power generation device through the air intake pipe, drives the impeller in the turbine to rotate, and then the impeller drives the shaft of the turbine to rotate. When the shaft of the turbine rotates, it drives the high-speed magnetic levitation generator to rotate. The high-speed magnetic levitation generator adopts the theory of magnetic levitation technology to suspend the motor coil in a certain space. Without any mechanical friction resistance, the motor rotates and cuts the magnetic lines to generate alternating current. There is no mechanical contact, no lubricating oil system, no wear and energy loss, and low maintenance cost. After the generated electricity is converted by the transformer voltage, it directly enters the power supply system of the energy station through the grid cabinet and the contact cabinet. The high-temperature and high-pressure superheated steam (0.8Mpa) passes through the turbine. Finally, the steam drives the impeller and shaft of the turbine to rotate, and low-pressure steam (0.45Mpa) is discharged through the exhaust pipe. The setting of magnetic bearing sensor, radial bearing and axial magnetic bearing can greatly reduce the friction generated when the turbine shaft rotates. The control cabinet has a built-in programmable logic controller to realize valve opening control, monitor the temperature and pressure of steam entering and leaving the turbine, and measure the speed of the turbine at the same time. The output voltage, current and power generation of the high-speed magnetic levitation generator are monitored, and the power generation is counted to generate energy reports; the condensate discharge of the temperature and pressure reduction device is controlled, etc. The PLC control system of the control cabinet realizes full automatic operation and one-button start. The PLC control system of the control cabinet also includes: overspeed safety device, cooling water protection, temperature protection, etc. Once any of the protection devices fails, a light alarm will be issued at the same time. If necessary, it can automatically shut down and trigger related interlocking controls to ensure equipment safety, reduce the number of spraying and pressure reduction, and save energy. At the same time, the electricity generated is supplied to the hot water circulation pump in the energy station. The power generation can meet the operation of two 55Kw water pumps, which helps to reduce energy consumption.

[0012] Preferably, a transformer is provided at one end of the power generation device body close to the connection cabinet, and the transformer is electrically connected to the external energy station power supply system through a cable.

[0013] The technical effect of adopting the above further solution is: the setting of the transformer makes it easy to convert the voltage of the generated electricity and then transmit it to the external energy station power supply system through cables.

[0014] Preferably, a mounting groove is provided on the outer surface of the power generation device body, and an inspection door is slidably mounted on the inner wall of the mounting groove.

[0015] The technical effect of adopting the above further solution is that the provision of the inspection door facilitates the inspection of the structure inside the power generation device body by opening the inspection door.

[0016] Preferably, limit blocks are fixedly installed at both ends of the inspection door, and two limit plates are slidably installed at one end of the power generation device body close to the installation groove.

[0017] The technical effect of adopting the above further solution is that the limit plate is slidably installed at one end of the power generation device body, which is convenient for enhancing the stability of the limit plate and preventing the limit plate from falling.

[0018] Preferably, one end of the two limit plates close to the inspection door is slidably connected to one end of the two limit blocks respectively, and one end of the two limit blocks close to the limit plates is provided with a limit groove.

[0019] The technical effect of adopting the above further solution is that the two limit plates are slidably connected to the two limit blocks, so that after the inclined surfaces of the limit blocks contact the inclined surfaces of the limit plates, the limit plates are forced to move.

[0020] Preferably, the inner walls of the two limiting grooves are slidably connected to one end of the two limiting plates respectively, and a magnet is fixedly mounted on one end of the two limiting plates close to the limiting block.

[0021] The technical effect of adopting the above further solution is: one end of the limit plate enters the limit groove, which is convenient for limiting the limit block.

[0022] Preferably, a plurality of magnets 2 are fixedly mounted on one end of the power generation device body close to the magnet 1, and the plurality of magnets 2 and the plurality of magnets 1 magnetically repel each other.

[0023] The technical effect of adopting the above further solution is: due to the magnetic repulsion between magnet one and magnet two, magnet one and one end of another limiting plate are pushed into the limiting groove of another limiting block.

[0024] Compared with the prior art, the advantages and positive effects of the utility model are:

[0025] 1. In the utility model, when in use, the pressure difference is used to drive the turbine to generate electricity, the spray pressure reduction is cancelled, and a 15Kw water pump is stopped, which is beneficial to saving energy consumption. At the same time, the electricity generated is supplied to the hot water circulation pump of the energy station. The power generation can meet the operation of two 55Kw water pumps, which is beneficial to reducing energy consumption.

[0026] 2. In the utility model, when in use, the limit plate is pulled to separate the limit plate from the limit slot, and then the inspection door is moved to slide to the other end in the installation slot, which is helpful to avoid the repeated work of disassembling and installing multiple screws, improve the work efficiency of opening the inspection door, and avoid the loss of necessary structures such as screws. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A schematic diagram of the three-dimensional structure of a steam pressure difference power generation device provided by the utility model;

[0028] Figure 2 A schematic cross-sectional plan view of a steam pressure difference power generation device provided by the utility model;

[0029] Figure 3 A schematic diagram of the working path structure of a steam pressure difference power generation device provided by the utility model;

[0030] Figure 4 A partial three-dimensional structural schematic diagram of a steam pressure difference power generation device provided by the utility model;

[0031] Figure 5 A steam pressure difference power generation device provided by the utility model Figure 4 Enlarged view of point A.

[0032] Legend: 1. Generator body; 101. Air inlet pipe; 102. Air outlet pipe; 103. Turbine; 104. Inspection door; 105. Limit block; 1051. Limit slot; 106. Limit plate; 107. Magnet 2; 108. Magnet 1; 109. Mounting slot; 2. Magnetic bearing sensor; 3. Radial bearing; 4. High-speed magnetic levitation generator; 5. Axial magnetic bearing; 6. Cooling and pressure reduction device; 7. Control cabinet; 8. Grid cabinet; 9. Contact cabinet; 10. Transformer. DETAILED DESCRIPTION

[0033] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0034] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0035] Embodiment 1, as Figure 1 - Figure 5 As shown, the utility model provides a steam pressure difference power generation device, comprising: a power generation device body 1, an air intake pipe 101 is fixedly installed at one end of the power generation device body 1, and further comprising:

[0036] An air outlet pipe 102 is fixedly mounted on an end of the power generation device body 1 away from the air inlet pipe 101, and a turbine 103 is disposed on an end of the power generation device body 1 close to the air inlet pipe 101;

[0037] The high-speed magnetic levitation generator 4 is fixedly connected to the rotating shaft of the turbine 103 near the outlet pipe 102, and radial bearings 3 are arranged at both ends of the rotating shaft of the high-speed magnetic levitation generator 4;

[0038] An axial magnetic bearing 5 is arranged on the rotating shaft of the turbine 103, and a magnetic bearing sensor 2 is arranged at one end of two radial bearings 3 away from the axial magnetic bearing 5;

[0039] The temperature and pressure reduction device 6 is arranged at one end of the air intake pipe 101 away from the turbine 103 , and a control cabinet 7 is arranged at one end of the power generation device body 1 close to the high-speed magnetic levitation generator 4 .

[0040] In this embodiment, when in use, medium and high pressure steam enters the turbine 103 in the power generation device body 1 through the air inlet pipe 101, drives the impeller in the turbine 103 to rotate, and then the impeller drives the rotating shaft of the turbine 103 to rotate. When the rotating shaft of the turbine 103 rotates, it drives the high-speed magnetic levitation generator 4 to rotate. The high-speed magnetic levitation generator 4 adopts the theory of magnetic levitation technology to suspend the motor coil in a certain space. Without any mechanical friction resistance, the motor rotates and cuts the magnetic lines to generate alternating current. There is no mechanical contact, no lubricating oil system, no wear and energy loss, and low maintenance cost. After the generated electricity is converted by the transformer 10, it directly enters the power supply system of the energy station through the grid cabinet 8 and the contact cabinet 9. The high-temperature and high-pressure superheated steam 0.8Mpa, after passing through the turbine 103, The steam drives the impeller and the shaft of the turbine 103 to rotate, and at the same time, low-pressure steam of 0.45 MPa is discharged through the exhaust pipe 102. The arrangement of the magnetic bearing sensor 2, the radial bearing 3 and the axial magnetic bearing 5 greatly reduces the friction generated when the shaft of the turbine 103 rotates. The control cabinet 7 has a built-in programmable logic controller to control the valve opening, monitor the temperature and pressure of the steam entering and leaving the turbine 103, and measure the rotation speed of the turbine 103. The output voltage, current and power generation of the high-speed magnetic levitation generator 4 are monitored, and the power generation is counted to generate energy reports; the condensate discharge of the temperature and pressure reduction device 6 is controlled, etc., and the PLC control system of the control cabinet 7 is used to realize full automatic operation and one-button start. The PLC control system of the control cabinet 7 also includes: overspeed safety device, cooling water protection, temperature protection, etc. Once any of the protection devices fails, a light alarm will be issued at the same time. If necessary, it can automatically shut down and trigger related interlocking controls to ensure equipment safety, reduce the number of spraying and pressure reduction, and save energy. At the same time, the electricity generated is supplied to the hot water circulation pump in the energy station. The power generation can meet the operation of two 55Kw water pumps, which helps to reduce energy consumption.

[0041] Embodiment 2, as Figure 1 - Figure 5 As shown, a grid cabinet 8 is arranged at one end of the power generation device body 1 close to the control cabinet 7, a contact cabinet 9 is arranged at one end of the power generation device body 1 close to the grid cabinet 8, a transformer 10 is arranged at one end of the power generation device body 1 close to the contact cabinet 9, and the transformer 10 is electrically connected to the external energy station power supply system through a cable, an installation groove 109 is opened on the outer surface of the power generation device body 1, and an inspection door 104 is slidably installed on the inner wall of the installation groove 109, and both ends of the inspection door 104 are fixedly installed with limit blocks 105, and one end of the power generation device body 1 close to the installation groove 109 is slidably installed with two limit blocks The two limiting plates 106 have one end close to the inspection door 104 and are slidably connected to one end of the two limiting blocks 105, and the two limiting blocks 105 have one end close to the limiting plates 106 and a limiting groove 1051, and the inner walls of the two limiting grooves 1051 are slidably connected to one end of the two limiting plates 106, and the two limiting plates 106 have one end close to the limiting blocks 105 and are fixedly mounted with a magnet 108, and the power generation device body 1 has one end close to the magnet 108 and a plurality of magnets 2 107 fixedly mounted thereon, and the plurality of magnets 2 107 and the plurality of magnets 108 magnetically repel each other.

[0042] In this embodiment, when it is necessary to open the inspection door 104, the limit plate 106 needs to be pulled first to separate the limit plate 106 from the limit slot 1051, and then the inspection door 104 is moved to slide to the other end in the installation slot 109. After the inspection door 104 slides to the other end of the installation slot 109, another limit block 105 contacts another limit plate 106 and pushes the limit plate 106 to move. When the limit plate 106 moves, it drives the magnet 1 108 to move in the direction of the magnet 2 107. When the other limit block 105 is moved, the magnet 108 moves to the direction of the magnet 2 107. When the limiting groove 1051 at one end of the limiting block 105 is located on the same axis as the other limiting plate 106, due to the magnetic repulsion between the magnet 108 and the magnet 2 107, the magnet 108 and one end of the other limiting plate 106 are pushed into the limiting groove 1051 of the other limiting block 105, thereby restricting the inspection door 104 in the other end of the installation groove 109, which is beneficial to avoid the repeated work of disassembling and installing multiple screws, improve the work efficiency of opening the inspection door 104, and avoid the loss of necessary structures such as screws.

[0043] Working principle: When in use, medium and high pressure steam enters the turbine 103 in the main body 1 of the power generation device through the air inlet pipe 101, driving the impeller in the turbine 103 to rotate, and then the impeller drives the rotating shaft of the turbine 103 to rotate. When the rotating shaft of the turbine 103 rotates, it drives the high-speed magnetic levitation generator 4 to rotate. The high-speed magnetic levitation generator 4 adopts the theory of magnetic levitation technology to suspend the motor coil in a certain space. Without any mechanical friction resistance, the motor rotates and cuts the magnetic lines to generate alternating current. There is no mechanical contact, no lubricating oil system, no wear and energy loss, and low maintenance cost. After the generated electricity is converted by the transformer 10, it directly enters the power supply system of the energy station through the grid cabinet 8 and the contact cabinet 9. The high-temperature and high-pressure superheated steam (0.8Mpa) passes through the turbine 103. The steam drives the impeller and the shaft of the turbine 103 to rotate, and low-pressure steam (0.45Mpa) is discharged through the exhaust pipe 102. The arrangement of the magnetic bearing sensor 2, the radial bearing 3 and the axial magnetic bearing 5 greatly reduces the friction generated when the shaft of the turbine 103 rotates. The control cabinet 7 has a built-in programmable logic controller to control the valve opening, monitor the temperature and pressure of the steam entering and leaving the turbine 103, and measure the rotation speed of the turbine 103. The output voltage, current and power generation of the high-speed magnetic levitation generator 4 are monitored, and the power generation is counted to generate energy reports; the condensate discharge of the temperature and pressure reduction device 6 is controlled, etc. The PLC control system of the control cabinet 7 realizes full automatic operation and one-button start. The PLC control system of the control cabinet 7 also includes: overspeed safety device, cooling water protection, temperature protection, etc.Once any of the protection devices fails, a light alarm will be issued at the same time. If necessary, the machine can be automatically shut down and related interlocking controls will be triggered to ensure equipment safety, reduce the number of spray pressure reductions, and save energy. At the same time, the electricity generated is used to supply the hot water circulation pump in the energy station. The power generation can meet the operation of two 55Kw water pumps, which is beneficial to reducing energy consumption. When in use, when it is necessary to open the inspection door 104, it is necessary to first pull the limit plate 106 to separate the limit plate 106 from the limit slot 1051, and then move the inspection door 104 to slide to the other end in the installation slot 109. After the inspection door 104 slides to the other end of the installation slot 109, the other limit block 105 and the other limit plate When the limit plate 106 moves, it drives the magnet one 108 to move in the direction of the magnet two 107. When the limit groove 1051 at one end of the other limit block 105 is located on the same axis as the other limit plate 106, due to the magnetic repulsion between the magnet one 108 and the magnet two 107, the magnet one 108 and one end of the other limit plate 106 are pushed into the limit groove 1051 of the other limit block 105, thereby restricting the inspection door 104 in the other end of the installation groove 109, which is beneficial to avoid the repeated work of disassembling and installing multiple screws, improve the work efficiency of opening the inspection door 104, and avoid the loss of necessary structures such as screws.

[0044] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A steam pressure difference power generation device, comprising a power generation device body (1), an air intake pipe (101) being fixedly mounted on one end of the power generation device body (1), characterized in that: Also includes: An air outlet pipe (102) is fixedly mounted on an end of the power generation device body (1) away from the air inlet pipe (101); a turbine (103) is provided on an end of the power generation device body (1) close to the air inlet pipe (101); A high-speed magnetic levitation generator (4) is fixedly connected to a rotating shaft of the turbine (103) close to the air outlet pipe (102), and radial bearings (3) are arranged at both ends of the rotating shaft of the high-speed magnetic levitation generator (4); An axial magnetic bearing (5) is arranged on the rotating shaft of the turbine (103), and a magnetic bearing sensor (2) is arranged at one end of the two radial bearings (3) away from the axial magnetic bearing (5); A temperature and pressure reduction device (6) is arranged at an end of the air intake pipe (101) away from the turbine (103), and a control cabinet (7) is arranged at an end of the power generation device body (1) close to the high-speed magnetic levitation generator (4).

2. A steam pressure difference power generation device according to claim 1, characterized in that: A grid-connected cabinet (8) is provided at one end of the power generation device body (1) close to the control cabinet (7), and a connection cabinet (9) is provided at one end of the power generation device body (1) close to the grid-connected cabinet (8).

3. A steam pressure difference power generation device according to claim 2, characterized in that: A transformer (10) is provided at one end of the power generation device body (1) close to the connection cabinet (9), and the transformer (10) is electrically connected to an external energy station power supply system via a cable.

4. A steam pressure difference power generation device according to claim 3, characterized in that: An installation groove (109) is provided on the outer surface of the power generation device body (1), and an inspection door (104) is slidably mounted on the inner wall of the installation groove (109).

5. A steam pressure difference power generation device according to claim 4, characterized in that: Limit blocks (105) are fixedly mounted on both ends of the inspection door (104), and two limit plates (106) are slidably mounted on one end of the power generation device body (1) close to the mounting groove (109).

6. A steam pressure difference power generation device according to claim 5, characterized in that: One end of the two limit plates (106) close to the inspection door (104) is slidably connected to one end of the two limit blocks (105), and one end of the two limit blocks (105) close to the limit plates (106) is provided with a limit groove (1051).

7. A steam pressure difference power generation device according to claim 6, characterized in that: The inner walls of the two limiting grooves (1051) are respectively slidably connected to one end of two limiting plates (106), and a magnet 1 (108) is fixedly mounted on one end of the two limiting plates (106) close to the limiting block (105).

8. A steam pressure difference power generation device according to claim 7, characterized in that: A plurality of second magnets (107) are fixedly mounted on one end of the power generation device body (1) close to the first magnet (108), and the plurality of second magnets (107) and the plurality of first magnets (108) magnetically repel each other.

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