Connecting pipeline for power generation of thermal power plant

Abstract

The utility model relates to the technical field of connecting pipelines, and discloses a connecting pipeline for power generation of a thermal power plant, which comprises a main pipe, a U-shaped pipe is mounted on the outer wall of the main pipe, and a second sealing ring and a first sealing ring are respectively mounted on the inner wall of the main pipe at output ends on two sides of the U-shaped pipe from top to bottom in a sliding manner; a plug is slidably mounted on the inner wall, between the second sealing ring and the first sealing ring, of the main pipe, steam enters the main pipe, the main pipe extrudes the plug, the plug extrudes the spring, then the steam can penetrate through the main pipe, the spring can be continuously extruded when pressure is too large, and therefore the steam can penetrate through the main pipe. Then under the cooperation of a first connecting mechanism and a second connecting mechanism, a first sealing ring and a second sealing ring descend to make contact with blocking of a U-shaped pipe, a gas sensor in the U-shaped pipe senses gas, a buzzer can give an early warning, the U-shaped pipe can play a role in pressure reduction, response time is given to workers, and the valve is closed for maintenance; and installing the protection main pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of connecting pipes, in particular to a connecting pipe used for power generation in a thermal power plant. Background Art

[0002] Thermal power plants generate electricity by using combustible materials (such as coal) as fuel to produce electricity. Its basic production process is: when the fuel burns, it heats water to generate steam, converting the chemical energy of the fuel into thermal energy. The steam pressure drives the turbine to rotate, converting the thermal energy into mechanical energy. The turbine then drives the generator to rotate, converting the mechanical energy into electrical energy. The steam in it needs to be transported through steam pipelines to pass the steam to the turbine and make the turbine rotate.

[0003] When traditional connecting pipes connect two pipes, the joint is more fragile than other parts of the pipe, so a pressure sensor is installed at the joint. When the pressure is too high, if the staff does not repair or close the valve in time, the pipe may be damaged. Utility Model Content

[0004] The utility model aims to provide a connecting pipe for power generation in a thermal power plant, which solves the problem that when two pipes are connected in a traditional connecting pipe, the connection is more fragile than other parts of the pipe, so a pressure sensor is set at the connection, and when the pressure is too high, the staff fails to repair or close the valve in time, which may cause damage to the pipe.

[0005] An embodiment of the present application provides a connecting pipeline for power generation in a thermal power plant, including a main pipe, a U-shaped pipe is installed on the outer wall of the main pipe, a second sealing ring and a first sealing ring are slidably installed on the inner wall of the main pipe located at the output ends on both sides of the U-shaped pipe from top to bottom, respectively, a plug is slidably installed on the inner wall of the main pipe located between the second sealing ring and the first sealing ring, a first connecting mechanism is arranged between the plug and the first sealing ring, a second connecting mechanism is arranged between the plug and the second sealing ring, a fixing ring is fixedly connected to the inner wall of the main pipe located below the plug, a spring is installed on the upper end of the fixing ring, and the upper end of the spring is fixedly connected to the plug, a gas sensor is installed on the outer wall of the U-shaped pipe, the sensing end of the gas sensor extends to the interior of the U-shaped pipe, and a buzzer is installed on the outer wall of the U-shaped pipe located on one side of the gas sensor.

[0006] By adopting the above technical solution, steam enters the main pipe, which squeezes the plug, and the plug squeezes the spring, allowing steam to pass through the main pipe. When the pressure is too high, the spring will continue to be squeezed, and then the first sealing ring and the second sealing ring will drop with the cooperation of the first connecting mechanism and the second connecting mechanism, contacting the blockage of the U-shaped tube. The gas sensor inside the U-shaped tube senses the gas, which can make the buzzer issue an early warning, and the U-shaped tube can play a role in reducing pressure, giving the staff time to react and close the valve for maintenance, thereby protecting the installation of the main pipe.

[0007] Optionally, outer walls of the first sealing ring and the second sealing ring are covered with a silicone sleeve.

[0008] By adopting the above technical solution, the outer walls of the first sealing ring and the second sealing ring are covered with a silicone sleeve, so that the sealing effect of the first sealing ring and the second sealing ring can be enhanced.

[0009] Optionally, receiving grooves are respectively formed on the inner walls at both ends of the main pipe, and rubber rings are clamped and installed on the inner walls of the main pipe located inside the two receiving grooves.

[0010] By adopting the above technical solution, the receiving groove can receive the rubber ring, and the rubber ring can provide sealing when the main pipe is connected to other pipes.

[0011] Optionally, a plurality of ears are respectively installed on the outer walls of both ends of the main pipe.

[0012] By adopting the above technical solution, the lug can be fixed by the main pipe, and the lug can further lock the connected pipe with the cooperation of the bolt and the nut.

[0013] Optionally, the first connecting mechanism includes a connecting rod, the upper end of which is fixedly connected to the lower end of the middle part of the plug.

[0014] By adopting the above technical solution, the connecting rod can be fixed by the plug.

[0015] Optionally, a plurality of first fixing rods are fixedly connected to the outer wall below the connecting rod, and a side of the plurality of first fixing rods away from the connecting rod is fixedly mounted to the inner wall of the first sealing ring.

[0016] By adopting the above technical solution, the connecting rod can fix the first fixing rod, and the first fixing rod can fix the first sealing ring.

[0017] Optionally, the second connection mechanism includes a plurality of second fixing rods, the plurality of second fixing rods are fixedly connected to the upper end of the plug, and the upper ends of the plurality of second fixing rods are fixedly connected to the lower end of the second sealing ring.

[0018] By adopting the above technical solution, the plug can fix the second fixing rod, and the second fixing rod can fix the second sealing ring.

[0019] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0020] The technical solution of the present application allows steam to enter the main pipe, so that the main pipe squeezes the plug, and the plug squeezes the spring, allowing steam to pass through the main pipe. When the pressure is too high, the spring will continue to be squeezed, and then the first sealing ring and the second sealing ring will be lowered with the cooperation of the first connecting mechanism and the second connecting mechanism, contacting the blockage of the U-shaped tube. The gas sensor inside the U-shaped tube senses the gas, which can make the buzzer sound an early warning, and the U-shaped tube can play a role in reducing pressure, giving the staff time to react and close the valve for maintenance, thereby protecting the installation of the main pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0022] Figure 1 This is a front view schematic diagram of a connecting pipeline used for power generation in a thermal power plant according to the utility model;

[0023] Figure 2 This is a front view of a partial cross-sectional view of a connecting pipeline used for power generation in a thermal power plant according to the utility model;

[0024] Figure 3 The utility model is a connecting pipe for power generation in a thermal power plant Figure 2 Enlarged view of point A in the middle;

[0025] Figure 4 The utility model is a connecting pipe for power generation in a thermal power plant Figure 2 Enlarged view of point B in the middle.

[0026] In the figure: 1. main pipe; 2. U-shaped pipe; 3. plug; 4. fixing ring; 5. spring; 6. connecting rod; 7. first fixing rod; 8. first sealing ring; 9. second fixing rod; 10. second sealing ring; 11. gas sensor; 12. buzzer; 13. rubber ring; 14. ear. DETAILED DESCRIPTION

[0027] See also Figure 1-4The utility model provides a technical solution: a connecting pipeline for power generation in a thermal power plant, comprising a main pipe 1, a U-shaped pipe 2 is installed on the outer wall of the main pipe 1, a second sealing ring 10 and a first sealing ring 8 are slidably installed on the inner wall of the main pipe 1 located at the output ends of both sides of the U-shaped pipe 2 from top to bottom, a plug 3 is slidably installed on the inner wall of the main pipe 1 between the second sealing ring 10 and the first sealing ring 8, a first connecting mechanism is arranged between the plug 3 and the first sealing ring 8, a second connecting mechanism is arranged between the plug 3 and the second sealing ring 10, a fixing ring 4 is fixedly connected to the inner wall of the main pipe 1 located below the plug 3, a spring 5 is installed on the upper end of the fixing ring 4, and the upper end of the spring 5 is fixedly connected to the plug 3, a gas sensor 11 is installed on the outer wall of the U-shaped pipe 2, the sensing end of the gas sensor 11 extends to the inside of the U-shaped pipe 2, and a buzzer 12 is installed on the outer wall of the U-shaped pipe 2 located on one side of the gas sensor 11;

[0028] The first connecting mechanism includes a connecting rod 6, the upper end of which is fixedly connected to the lower end of the middle part of the plug 3, and a plurality of first fixing rods 7 are fixedly connected to the outer wall below the connecting rod 6, and the side of the plurality of first fixing rods 7 away from the connecting rod 6 is fixedly installed on the inner wall of the first sealing ring 8, and the second connecting mechanism includes a plurality of second fixing rods 9, and the plurality of second fixing rods 9 are fixedly connected to the upper end of the plug 3, and the upper ends of the plurality of second fixing rods 9 are fixedly connected to the lower end of the second sealing ring 10.

[0029] In the technical solution of the utility model, steam enters the main pipe 1, so that the main pipe 1 squeezes the plug 3, and the plug 3 squeezes the spring 5, so that steam can pass through the main pipe 1, and when the pressure is too high, the spring 5 will continue to be squeezed, and then the first sealing ring 8 and the second sealing ring 10 will be lowered with the cooperation of the first connecting mechanism and the second connecting mechanism, and the contact will block the U-shaped tube 2. The gas sensor 11 inside the U-shaped tube 2 senses the gas, which can make the buzzer 12 issue an early warning, and the U-shaped tube 2 can play a role in reducing the pressure, giving the staff time to react and close the valve for maintenance, thereby protecting the installation of the main pipe 1.

[0030] In addition, the plug 3 can be used to fix the connecting rod 6, the connecting rod 6 can be used to fix the first fixing rod 7, and the first fixing rod 7 can fix the first sealing ring 8, the plug 3 can be used to fix the second fixing rod 9, and the second fixing rod 9 can fix the second sealing ring 10.

[0031] In the technical solution of the utility model, if Figure 2 and Figure 3 As shown, the outer walls of the first sealing ring 8 and the second sealing ring 10 are covered with a silicone sleeve. By covering the outer walls of the first sealing ring 8 and the second sealing ring 10 with the silicone sleeve, the sealing effect of the first sealing ring 8 and the second sealing ring 10 can be enhanced.

[0032] In the technical solution of the utility model, if Figure 2 As shown, receiving grooves are respectively provided on the inner walls at both ends of the main pipe 1, and rubber rings 13 are clamped and installed on the inner walls of the main pipe 1 located inside the two receiving grooves. The receiving grooves can receive the rubber rings 13, and the rubber rings 13 can provide sealing when the main pipe 1 is connected to other pipes.

[0033] In the technical solution of the utility model, if Figure 1 and Figure 2 As shown, the outer walls of both ends of the main pipe 1 are respectively installed with a plurality of lugs 14, and the main pipe 1 can fix the lugs 14, and the lugs 14 can further lock the connected pipes with the cooperation of bolts and nuts.

[0034] When in use, firstly, steam can enter the main pipe 1, so that the main pipe 1 squeezes the plug 3, and the plug 3 squeezes the spring 5, so that the steam can pass through the main pipe 1, and when the pressure is too large, the spring 5 will continue to be squeezed, and then when the plug 3 moves downward, the plug 3 can drive the second sealing ring 10 to descend with the cooperation of the second fixing rod 9, and the plug 3 can also drive the first sealing ring 8 to descend with the cooperation of the connecting rod 6 and the first fixing rod 7, so as to contact the blockage of the U-shaped tube 2, and the gas sensor 11 inside the U-shaped tube 2 senses the gas, which can make the buzzer 12 issue an early warning, and the U-shaped tube 2 can play a role in reducing the pressure, giving the staff time to react and close the valve for maintenance, thereby protecting the installation of the main pipe 1.

Claims

1. A connecting pipeline for power generation in a thermal power plant, characterized in that: The invention comprises a main pipe (1), the outer wall of the main pipe (1) is installed with a U-shaped pipe (2), the inner wall of the main pipe (1) at the output ends on both sides of the U-shaped pipe (2) is slidably installed with a second sealing ring (10) and a first sealing ring (8) from top to bottom, respectively, the inner wall of the main pipe (1) located between the second sealing ring (10) and the first sealing ring (8) is slidably installed with a plug (3), a first connecting mechanism is provided between the plug (3) and the first sealing ring (8), and the plug (3) and the second sealing ring (10) are connected to each other. A second connection mechanism is provided between the two pipes; a fixing ring (4) is fixedly connected to the inner wall of the main pipe (1) below the plug (3); a spring (5) is installed at the upper end of the fixing ring (4); the upper end of the spring (5) is fixedly connected to the plug (3); a gas sensor (11) is installed on the outer wall of the U-shaped pipe (2); the sensing end of the gas sensor (11) extends to the interior of the U-shaped pipe (2); and a buzzer (12) is installed on the outer wall of the U-shaped pipe (2) on one side of the gas sensor (11).

2. A connecting pipeline for power generation in a thermal power plant according to claim 1, characterized in that: The outer walls of the first sealing ring (8) and the second sealing ring (10) are covered with a silicone sleeve.

3. A connecting pipeline for power generation in a thermal power plant according to claim 2, characterized in that: The inner walls at both ends of the main pipe (1) are respectively provided with receiving grooves, and the inner walls of the main pipe (1) located inside the two receiving grooves are clamped and installed with rubber rings (13).

4. A connecting pipeline for power generation in a thermal power plant according to claim 3, characterized in that: The outer walls at both ends of the main pipe (1) are respectively provided with a plurality of lugs (14).

5. The connecting pipeline for power generation in a thermal power plant according to claim 1, characterized in that: The first connecting mechanism comprises a connecting rod (6), the upper end of the connecting rod (6) being fixedly connected to the lower end of the middle part of the plug (3).

6. A connecting pipeline for power generation in a thermal power plant according to claim 5, characterized in that: A plurality of first fixing rods (7) are fixedly connected to the outer wall below the connecting rod (6), and the first fixing rods (7) are fixedly mounted on the inner wall of the first sealing ring (8) at a side away from the connecting rod (6).

7. The connecting pipeline for power generation in a thermal power plant according to claim 1, characterized in that: The second connection mechanism comprises a plurality of second fixing rods (9), the plurality of second fixing rods (9) being fixedly connected to the upper end of the plug (3), and the upper ends of the plurality of second fixing rods (9) being fixedly connected to the lower end of the second sealing ring (10).

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