Primary frequency modulation power correction device

Abstract

The utility model discloses a primary frequency modulation power correction device, relates to the technical field of frequency modulation power correction, and aims to solve the problems that an existing correction device is insufficient in fuel oil filtering and multiple adjustment modes and needs to be improved in practicability. Two second liquid inlet pipes are fixedly connected to the outer surface of one side of the tank body, one end of each second liquid inlet pipe is provided with a third liquid inlet pipe, one end of each third liquid inlet pipe is communicated with two first liquid inlet pipes, one end of each first liquid inlet pipe is sleeved with a movable pipe base in a sliding mode, and an oil filter element is installed in each movable pipe base; and the other end of the movable tube seat is sleeved outside one end of the second liquid inlet tube in a threaded manner. And the effects that the fuel oil can be effectively filtered, the filtering structure can be flexibly and conveniently replaced, adjustment operation in multiple modes can be carried out, and practicability is high are achieved.

Description

Technical Field

[0001] This utility model relates to the field of frequency modulation power correction technology, and in particular to a primary frequency modulation power correction device. Background Technology

[0002] Primary frequency regulation power correction is a key technology for ensuring the stable operation of the power system. When the grid frequency deviates from the rated value, the generator set will automatically adjust the active power through primary frequency regulation to quickly suppress frequency fluctuations. During frequency regulation correction, the flow rate and velocity of fuel can be controlled by adjusting the impeller speed and the opening degree of the valves.

[0003] Existing correction devices have shortcomings in fuel filtration and multiple adjustment methods, and their practicality needs to be improved. Utility Model Content

[0004] The purpose of this invention is to provide a primary frequency modulation power correction device that can effectively filter fuel, flexibly and conveniently replace the filter structure, and perform various adjustment operations, making it highly practical.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A primary frequency modulation power correction device includes a tank. Two second inlet pipes are fixedly connected to the outer surface of one side of the tank. A third inlet pipe is provided at one end of each of the second inlet pipes. One end of the third inlet pipe is connected to two first inlet pipes. A movable pipe seat is slidably sleeved on the outside of one end of each of the first inlet pipes. An oil filter element is installed inside the movable pipe seat. The other end of the movable pipe seat is threaded onto the outside of one end of each of the second inlet pipes. A control valve is installed in each of the first and second inlet pipes.

[0007] By adopting the above technical solution, fuel can be filtered, and the filter element can be easily replaced after a period of filtration.

[0008] Furthermore, a return pipe is fixedly connected to the upper surface of the tank, and a first flow regulating valve is installed in the return pipe.

[0009] By adopting the above technical solution, the opening and closing of the return pipe can be controlled by the first flow regulating valve, thus conveniently regulating the fuel supply.

[0010] Furthermore, a liquid guide pipe is fixedly connected to the lower edge of the outer surface of one side of the tank, and a flow meter and a second flow regulating valve are installed in the liquid guide pipe.

[0011] By adopting the above technical solution, a feasible method can be provided for adjusting the position of the second flow regulating valve.

[0012] Furthermore, the upper surface of the tank is provided with a mounting hole, and a pressure gauge is fixedly installed inside the mounting hole.

[0013] By adopting the above technical solution, the internal oil pressure of the tank can be effectively detected, providing feedback data for the control system.

[0014] Furthermore, a delivery pump is installed in the pipeline of the third inlet pipe, and a speed regulator is provided outside the delivery pump, and the delivery pump is electrically connected to the speed regulator.

[0015] By adopting the above technical solution, the speed of the delivery pump can be controlled using a speed regulator.

[0016] Furthermore, the outer cover of the oil filter element is fitted with a housing, and the end of the housing is provided with multiple through holes.

[0017] By adopting the above technical solution, the stability of the filter element can be adjusted.

[0018] In summary, the beneficial technical effects of this utility model are as follows:

[0019] 1. In use, the two control valves on the first and second inlet pipes on the same side can be opened. At this time, the fuel for the fuel generator set enters the tank after passing through the first and second inlet pipes. During this process, the filter element installed inside the movable pipe seat can filter the fuel used by the fuel generator set, filtering out internal impurities and improving the operating stability of the fuel generator set. After a period of operation, the control valve can be closed, and the two control valves on the other first and second inlet pipes can be opened at the same time to ensure the continuous supply of fuel. Then, the movable pipe seat to be repaired can be turned, and then the movable pipe seat can be slid outside the first inlet pipe. Then, the internal filter element can be taken out and replaced. The replacement operation is flexible and convenient, and it is highly practical.

[0020] 2. This utility model can adjust the speed of the delivery pump by using an external speed controller during a frequency adjustment correction, thereby adjusting the speed of the fuel unit, providing an operation method for correction. Since a return pipe is fixedly connected to the upper surface of the tank, and a first flow regulating valve is installed in the return pipe, the flow rate of the first flow regulating valve can be adjusted during correction, thereby indirectly adjusting the amount of fuel in the guide pipe, providing another adjustment method for correction operation. Furthermore, since a second flow regulating valve is installed in the guide pipe, the opening and closing degree of the second flow regulating valve can be adjusted when the adjustment limits of other methods are reached, at which point a third adjustment operation can be performed, providing multiple correction methods for the entire device, making it highly practical. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0022] Figure 2 This is a diagram of the internal structure of this utility model.

[0023] In the diagram: 1. Tank body; 2. First inlet pipe; 3. Control valve; 4. Second inlet pipe; 5. Movable pipe seat; 6. Transfer pump; 7. Return pipe; 8. Pressure gauge; 9. First flow regulating valve; 10. Guide pipe; 11. Flow meter; 12. Second flow regulating valve; 13. Third inlet pipe; 14. Oil filter element. Detailed Implementation

[0024] The method of this utility model will be further described in detail below with reference to the accompanying drawings.

[0025] Reference Figure 1 , Figure 2 A primary frequency modulation power correction device includes a tank body 1. Two second inlet pipes 4 are fixedly connected to the outer surface of one side of the tank body 1. A third inlet pipe 13 is provided at one end of the second inlet pipe 4. One end of the third inlet pipe 13 is connected to two first inlet pipes 2. A movable pipe seat 5 is slidably sleeved on the outside of one end of the first inlet pipe 2. An oil filter element 14 is installed inside the movable pipe seat 5. The other end of the movable pipe seat 5 is threaded onto the outside of one end of the second inlet pipe 4. A control valve 3 is installed in each of the first inlet pipe 2 and the second inlet pipe 4. The oil filter element 14 is covered by a housing, and the end of the housing is provided with multiple through holes, among which two control valves on the first inlet pipe 2 and the second inlet pipe 4 on the same side can be opened during use. Valve 3 allows fuel for the generator set to enter the tank 1 through the first inlet pipe 2 and the second inlet pipe 4. During this process, the filter element 14 installed inside the movable pipe seat 5 filters the fuel used by the generator set, removing impurities and improving the operational stability of the generator set. After a period of operation, control valve 3 can be closed, and two control valves 3 on the other first inlet pipe 2 and the second inlet pipe 4 can be opened to ensure continuous fuel delivery. Then, the movable pipe seat 5 to be inspected is turned, and the movable pipe seat 5 is slid outside the first inlet pipe 2. The filter element 14 inside is then removed and replaced. The replacement operation is flexible, convenient, and highly practical.

[0026] Reference Figure 1A return pipe 7 is fixedly connected to the upper surface of the tank body 1. A first flow regulating valve 9 is installed in the return pipe 7. A guide pipe 10 is fixedly connected to the lower edge of the outer surface of one side of the tank body 1. A flow meter 11 and a second flow regulating valve 12 are installed in the guide pipe 10. A delivery pump 6 is installed in the third inlet pipe 13. A speed governor is externally installed on the delivery pump 6, and the delivery pump 6 is electrically connected to the speed governor. During a frequency regulation correction, the speed of the delivery pump 6 can be adjusted using the external speed governor, thereby adjusting the speed of the fuel unit and providing an operational method for correction. The method involves a return pipe 7 fixedly connected to the upper surface of the tank 1, with a first flow regulating valve 9 installed in the return pipe 7. During correction, the flow rate of the first flow regulating valve 9 can be adjusted, thereby indirectly regulating the amount of fuel in the guide pipe 10, providing another adjustment method for correction operations. Furthermore, since a second flow regulating valve 12 is installed in the guide pipe 10, the opening and closing degree of the second flow regulating valve 12 can be adjusted when the other methods reach the adjustment limit, enabling a third adjustment operation. This provides multiple correction methods for the entire device, making it highly practical.

[0027] Reference Figure 1 The upper surface of the tank 1 is provided with a mounting hole, and a pressure gauge 8 is fixedly installed inside the mounting hole. The pressure gauge 8 can be used to detect the pressure inside the tank 1 and provide feedback data for the control system.

[0028] Working Principle: In use, the device is first installed in the designated location. During a frequency adjustment correction, the speed of the delivery pump 6 is adjusted using an external speed controller, thereby regulating the speed of the fuel unit and providing one adjustment method. Since a return pipe 7 is fixedly connected to the upper surface of the tank 1, and a first flow regulating valve 9 is installed in the return pipe 7, the flow rate of the first flow regulating valve 9 can be adjusted during correction, indirectly regulating the amount of fuel in the guide pipe 10, providing another adjustment method for correction. Furthermore, since a second flow regulating valve 12 is installed in the guide pipe 10, the opening degree of the second flow regulating valve 12 can be adjusted when the other methods reach their adjustment limits, enabling a third adjustment method. During the correction process, the same side is opened... The first inlet pipe 2 and the second inlet pipe 4 have two control valves 3. At this time, the fuel used by the fuel generator set enters the tank 1 after passing through the first inlet pipe 2 and the second inlet pipe 4. During this process, the oil filter element 14 installed inside the movable pipe seat 5 can filter the fuel used by the fuel generator set, filter out internal impurities, and improve the operating stability of the fuel generator set. After a period of operation, the control valve 3 can be closed, and the two control valves 3 on the other first inlet pipe 2 and the second inlet pipe 4 can be opened at the same time to ensure the continuous supply of fuel. Then, the movable pipe seat 5 to be repaired is turned, and then the movable pipe seat 5 is slid outside the first inlet pipe 2. Then, the internal oil filter element 14 is taken out and replaced. The replacement operation is flexible, convenient and practical.

[0029] The embodiments described herein are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape, and principle of this utility model should be included within the scope of protection of this utility model.

Claims

1. A primary frequency modulation power correction device, comprising a tank (1), characterized in that: Two second inlet pipes (4) are fixedly connected to one side of the outer surface of the tank (1). A third inlet pipe (13) is provided at one end of the second inlet pipe (4). One end of the third inlet pipe (13) is connected to two first inlet pipes (2). A movable pipe seat (5) is slidably sleeved on the outside of one end of the first inlet pipe (2). An oil filter element (14) is installed inside the movable pipe seat (5). The other end of the movable pipe seat (5) is threaded onto the outside of one end of the second inlet pipe (4). A control valve (3) is installed in the pipelines of the first inlet pipe (2) and the second inlet pipe (4).

2. The primary frequency modulation power correction device according to claim 1, characterized in that: A return pipe (7) is fixedly connected to the upper surface of the tank (1), and a first flow regulating valve (9) is installed in the pipeline of the return pipe (7).

3. The primary frequency modulation power correction device according to claim 1, characterized in that: A liquid guide pipe (10) is fixedly connected to the lower edge of the outer surface of one side of the tank (1), and a flow meter (11) and a second flow regulating valve (12) are installed in the pipeline of the liquid guide pipe (10).

4. The primary frequency modulation power correction device according to claim 1, characterized in that: The upper surface of the tank (1) is provided with an installation hole, and a pressure gauge (8) is fixedly installed inside the installation hole.

5. The primary frequency modulation power correction device according to claim 1, characterized in that: A delivery pump (6) is installed in the pipeline of the third inlet pipe (13). A speed regulator is provided on the outside of the delivery pump (6), and the delivery pump (6) is electrically connected to the speed regulator.

6. The primary frequency modulation power correction device according to claim 1, characterized in that: The oil filter element (14) is covered by a housing, and the end of the housing is provided with multiple through holes.

Images