CN217211266U - A gas tightness detection device for thermal power plant - Google Patents
A gas tightness detection device for thermal power plant Download PDFInfo
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- CN217211266U CN217211266U CN202220446805.9U CN202220446805U CN217211266U CN 217211266 U CN217211266 U CN 217211266U CN 202220446805 U CN202220446805 U CN 202220446805U CN 217211266 U CN217211266 U CN 217211266U
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- pipe
- thermal power
- power plant
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- 238000001514 detection method Methods 0.000 title claims abstract description 38
- 238000005259 measurement Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 15
- 239000011521 glass Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 abstract description 4
- 229910000639 Spring steel Inorganic materials 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910000851 Alloy steel Inorganic materials 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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Abstract
The utility model provides an air tightness detection device for a thermal power plant, which relates to the technical field of the thermal power plant and comprises a movable pipe and a sliding component arranged in the movable pipe; a pipeline penetrates through the moving pipe, two first electric push rods are fixedly mounted on the inner wall of the top of the moving pipe, two second electric push rods are fixedly mounted on the inner wall of the bottom of the moving pipe, a second pipeline is fixedly connected to the top of each second electric push rod, and a detection assembly is arranged at the bottom of each second pipeline; the sliding assembly comprises a support frame, a fixing ring and a pulley, the fixing ring is arranged inside the moving pipe, and a plurality of support frames are fixedly connected between the fixing ring and the moving pipe. The device uses through first pipeline, second pipeline, measurement case, piston and reset spring's cooperation, and the detection that can be accurate whether the pipeline has the condition of gas leakage, uses through the cooperation of support frame, solid fixed ring, pulley and removal pipe, can be convenient for remove the measurement case, improves detection efficiency.
Description
Technical Field
The utility model relates to a technical field of thermal power plant specifically is an air tightness detection device for thermal power plant.
Background
A thermal power plant, called thermal power plant for short, is a plant for producing electric energy by using combustible materials as fuel, and its basic production process is that the fuel is heated to generate steam when burning, and the chemical energy of the fuel is converted into heat energy, and the steam pressure pushes a steam turbine to rotate, and the heat energy is converted into mechanical energy, and then the steam turbine drives a generator to rotate, and the mechanical energy is converted into electric energy.
When thermal power generation is carried out in a thermal power plant, gas generated by combustion can be conveyed to a downward moving link through a gas transmission pipeline to carry out power generation, and after the pipeline in the thermal power plant is used for a long time, the gas transmission pipeline is easy to leak gas, so that steam in the pipeline leaks, the efficiency of the thermal power generation is influenced, and therefore the gas tightness of the pipeline in the thermal power plant needs to be detected.
Carry out the gas tightness to thermal power plant's pipeline and detect, it uses detection device to detect along the pipeline generally to be the detection personnel, whether the damaged condition that leaks gas appears in the detection pipeline, and current detection device is meetting the local unable accurate inspection of the slight gas leakage of pipeline and comes out, detection efficiency is low, the gas tightness detects insufficiently accurately, lead to the pipeline still to have the condition of gas leakage, and detection device detects the back at this section pipeline, need pull down it and remove and detect on another section pipeline, it is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the background art, provide an gas tightness detection device for thermal power plant, use through first pipeline, second pipeline, measurement case, piston and reset spring's cooperation, can be accurate detect out the condition whether there is gas leakage in the pipeline, use through the cooperation of support frame, solid fixed ring, pulley and removal pipe, can be convenient for remove the measurement case, improve detection efficiency.
In order to achieve the purpose, the utility model provides the following technical scheme, a gas tightness detection device for the thermal power plant comprises a movable pipe and a sliding component arranged inside the movable pipe;
a pipeline penetrates through the moving pipe, two first electric push rods are fixedly mounted on the inner wall of the top of the moving pipe, two second electric push rods are fixedly mounted on the inner wall of the bottom of the moving pipe, a second pipeline is fixedly connected to the top of each second electric push rod, and a detection assembly is arranged at the bottom of each second pipeline;
the sliding assembly comprises a support frame, a fixing ring and pulleys, the fixing ring is arranged inside the moving pipe, the fixing ring is fixedly connected with a plurality of support frames between the fixing ring and the moving pipe, and the pulleys are arranged inside the fixing ring.
Furthermore, it is a plurality of the support frame all is ring array evenly distributed with a plurality of the pulley, the pipeline surface is hugged closely to the pulley.
Further, remove a plurality of handles of socle portion fixedly connected with, it is provided with the observation window to remove the tub surface.
Furthermore, first electric putter bottom fixedly connected with first pipeline, first pipeline and second pipeline all are the semicylinder.
Furthermore, a first sealing ring and a second sealing ring are respectively arranged between the first pipeline and the pipeline and between the second pipeline and the pipeline.
Further, a plurality of fixture blocks of first pipeline bottom fixedly connected with, a plurality of draw-in grooves that use with the fixture block is seted up at second pipeline top, just the inside rubber block that is provided with of draw-in groove, just the fixture block is connected with the draw-in groove block, first pipeline passes through fixture block and draw-in groove and constitutes the sealed tube with the second pipeline, second pipeline top is provided with sealed the pad.
Further, the detection assembly comprises an air vent, a measuring box, a reset spring and a piston, the air vent is formed in the bottom of the second pipeline, the measuring box is fixedly connected to the bottom of the second pipeline, the reset spring is fixedly connected to the inside of the measuring box, the piston which is matched with the measuring box is fixedly connected to the top end of the reset spring, and the measuring box is made of a transparent glass plate material.
The utility model provides an air tightness detection device for thermal power plant has following beneficial effect:
1. the utility model discloses the advantage lies in, uses through first pipeline, second pipeline, measuring box, piston and reset spring's cooperation, and the detection that can be accurate whether has the condition of gas leakage in the pipeline, improves the accuracy that the gas tightness detected.
2. Secondly, through the cooperation use of support frame, solid fixed ring, pulley and removal pipe, can directly remove the device to next section pipeline after having detected this section pipeline, need not to dismantle the installation again, improve detection efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a cross-sectional view of the overall structure of the present invention.
Fig. 3 is a half-sectional view of the clean structure of the present invention.
Fig. 4 is a side sectional view of the first pipe structure of the present invention.
Fig. 5 is a side view of the fixing ring structure of the present invention.
Fig. 6 is an enlarged view of a point a in fig. 2 according to the present invention.
Fig. 7 is an enlarged view of the position B in fig. 4 according to the present invention.
In FIGS. 1-7: 1. moving the tube; 101. a support frame; 102. a fixing ring; 103. a pulley; 104. an observation window; 105. a handle; 2. a pipeline; 3. a first electric push rod; 301. a first conduit; 3011. a first seal ring; 302. a second electric push rod; 303. a second conduit; 3031. a second seal ring; 304. a vent hole; 4. a measuring box; 401. a return spring; 402. a piston; 5. a clamping block; 501. a card slot; 502. and a gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example (b):
referring to figures 1-7 of the drawings,
the gas tightness detection device for the thermal power plant provided by the embodiment comprises a movable pipe 1 and a sliding assembly arranged inside the movable pipe 1;
a pipeline 2 penetrates through the moving pipe 1, two first electric push rods 3 are fixedly mounted on the inner wall of the top of the moving pipe 1, two second electric push rods 302 are fixedly mounted on the inner wall of the bottom of the moving pipe 1, a second pipeline 303 is fixedly connected to the top of each second electric push rod 302, and a detection assembly is arranged at the bottom of each second pipeline 303;
the sliding assembly comprises a support frame 101, a fixing ring 102 and pulleys 103, the fixing ring 102 is arranged inside the moving pipe 1, a plurality of support frames 101 are fixedly connected between the fixing ring 102 and the moving pipe 1, and the pulleys 103 are arranged inside the fixing ring 102.
Further, a plurality of support frames 101 and a plurality of pulleys 103 all are annular array evenly distributed, and pipeline 2 surface is hugged closely to pulleys 103, can be convenient for remove pipe 1 through a plurality of pulleys 103 and slide on pipeline 2, will remove pipe 1 and fix outside pipeline 2 through solid fixed ring 102 and support frame 101 simultaneously.
Further, remove a plurality of handles 105 of 1 bottom fixedly connected with of pipe, remove pipe 1 surface and be provided with observation window 104, when needing to remove pipe 1, through handle 105 pulling removal pipe 1 for remove pipe 1 and remove on pipeline 2, can be convenient for the intuitionistic measuring box 4 of seeing removal pipe 1 inside through observation window 104.
Further, 3 bottom fixedly connected with first pipelines 301 of first electric putter, first pipeline 301 and second pipeline 303 all are the semicircle column, advancing to this section pipeline and carry out the gas tightness and detect, start first electric putter 3 and second electric putter 302 for first electric putter 3 and second electric putter 302 drive first pipeline 301 and second pipeline 303 respectively and remove to 2 directions of pipeline.
Further, a first sealing ring 3011 and a second sealing ring 3031 are arranged between the first pipeline 301 and the second pipeline 303 and the pipeline 2 respectively, when the first pipeline 301 and the second pipeline 303 move towards the pipeline 2, the first sealing ring 3011 and the second sealing ring 3031 are extruded by the first pipeline 301 and the second pipeline 303 to generate elastic deformation, gaps between the first pipeline 301 and the second pipeline 303 and the pipeline 2 are filled, and gas leakage through the gaps is avoided, so that the gas tightness detection of the pipeline 2 is influenced.
Further, a plurality of fixture blocks 5 of first pipeline 301 bottom fixedly connected with, a plurality of draw-in grooves 501 that form a complete set with fixture block 5 and use are seted up at second pipeline 303 top, and draw-in groove 501 is inside to be provided with the rubber block, and fixture block 5 is connected with draw-in groove 501 block, first pipeline 301 passes through fixture block 5 and draw-in groove 501 and constitutes the sealed tube with second pipeline 303, second pipeline 303 top is provided with sealed pad 502, make fixture block 5 on first pipeline 301 insert in the draw-in groove 501 on the second pipeline 303, make first pipeline 301 pass through fixture block 5 and draw-in groove 501 and constitute the sealed tube with second pipeline 303, sealed pad 502 receives the extrusion of first pipeline 301 and second pipeline 303 to take place elastic deformation simultaneously, fill up the gap between first pipeline 301 and the second pipeline 303, prevent gas leakage.
Further, the detection component comprises a vent hole 304, a measurement box 4, a return spring 401 and a piston 402, the bottom of the second pipeline 303 is provided with the vent hole 304, the bottom of the second pipeline 303 is fixedly connected with the measurement box 4, the return spring 401 is fixedly connected inside the measurement box 4, the top end of the return spring 401 is fixedly connected with the piston 402 matched with the measurement box 4, the measurement box 4 is made of a transparent glass plate material, because a gas transmission pipeline in a thermal power plant contains a large amount of gas, if the pipeline 2 leaks gas, the gas can be continuously injected into the sealing pipe, so that the gas pressure in the sealing pipe rises, meanwhile, the gas enters the measurement box 4 through the vent hole 304 under the action of the gas pressure, so that the gas pressure above the piston 402 rises continuously, the piston 402 moves downwards under the action of the gas pressure, and the return spring 401 is extruded to generate elastic deformation to generate elastic force, and the generated elastic force acts on the piston 402, so that a detection person can judge whether the section of the pipeline 2 leaks air according to whether the piston 402 moves.
The reset spring 401 is made of a spring steel material, the spring steel material has good elasticity and wear resistance, so that the reset spring 401 can have high elasticity and can elastically deform when being subjected to external force, and the reset spring 401 has the characteristic of good wear resistance, can keep the elasticity after being worn for a long time, and prolongs the service life of the reset spring 401;
meanwhile, the return spring 401 can also be made of alloy steel materials, the alloy steel materials have good elasticity and wear resistance after quenching and tempering, and can meet the manufacturing requirements of the return spring 401, but compared with spring steel materials, the elasticity of the spring steel materials is better than that of the alloy steel materials, the manufacturing process of the alloy steel materials is simpler than that of the spring steel materials, and the elasticity of the return spring 401 is related to that of the manufacturing materials, so that the spring steel materials with good elasticity are selected for manufacturing.
When the utility model is used, the moving pipe 1 is pulled by the handle 105, so that the moving pipe 1 slides on the pipeline 2 through the pulleys 103, and then the pipe moves to a designated position, the air tightness of the pipeline 2 is detected, at the moment, the first electric push rod 3 and the second electric push rod 302 are started, the first electric push rod 3 and the second electric push rod 302 respectively drive the first pipeline 301 and the second pipeline 303 to move towards the pipeline 2, so that the first pipeline 301 and the second pipeline 303 form a sealing pipe through the fixture block 5 and the fixture groove 501, the pipeline 2 is wrapped, and the first pipeline 301 and the second pipeline 303 are extruded by the first pipeline 301 and the second pipeline 303 to generate elastic deformation during the moving process, so that gaps between the first pipeline 301 and the second pipeline 303 and the pipeline 2 are filled, and the gas leakage through the gaps is avoided, the airtightness detection of the pipeline 2 is influenced, meanwhile, the sealing gasket 502 on the second pipeline 303 is elastically deformed by the extrusion of the first pipeline 301 and the second pipeline 303, a gap between the first pipeline 301 and the second pipeline 303 is filled up, gas leakage is prevented, then, because a large amount of high-pressure gas is contained in the pipeline 2 of the thermal power plant, if gas leakage occurs in the section of pipeline 2, the gas can be continuously injected into the sealing pipe, so that the gas pressure in the sealing pipe is increased, meanwhile, the gas enters the measuring box 4 through the vent hole 304 under the action of the gas pressure, so that the gas pressure above the piston 402 is continuously increased, the piston 402 moves downwards under the action of the gas pressure, the reset spring 401 is elastically deformed by the extrusion to generate elastic force, and the generated elastic force acts on the piston 402, so that a detector checks whether the piston 402 moves through the observation window 104 to judge whether the section of the pipeline 2 has gas leakage, if piston 402 does not take place to remove, then open first pipeline 301 and second pipeline 303 to will remove pipe 1 and remove to next section pipeline 2 through handle 105 and a plurality of pulley 103 and carry out the gas tightness and detect, can detect pipeline 2 gas tightness fast through above structure, the detection device of being convenient for simultaneously removes, improves detection efficiency.
The above are only the preferred embodiments of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, a plurality of modifications and improvements can be made, which should also be considered as the protection scope of the present invention, and these will not affect the effect of the present invention and the practicability of the patent.
Claims (7)
1. The air tightness detection device for the thermal power plant is characterized by comprising a moving pipe and a sliding assembly arranged in the moving pipe;
a pipeline penetrates through the moving pipe, two first electric push rods are fixedly mounted on the inner wall of the top of the moving pipe, two second electric push rods are fixedly mounted on the inner wall of the bottom of the moving pipe, a second pipeline is fixedly connected to the top of each second electric push rod, and a detection assembly is arranged at the bottom of each second pipeline;
the sliding assembly comprises a support frame, a fixing ring and pulleys, the fixing ring is arranged inside the moving pipe, the fixing ring is fixedly connected with a plurality of support frames between the fixing ring and the moving pipe, and the pulleys are arranged inside the fixing ring.
2. The airtightness detection apparatus for a thermal power plant according to claim 1, wherein the plurality of support frames and the plurality of pulleys are uniformly distributed in an annular array, and the pulleys are tightly attached to an outer surface of the pipe.
3. The airtightness detection apparatus for a thermal power plant according to claim 1, wherein a plurality of handles are fixedly connected to a bottom portion of the moving pipe, and an observation window is provided on a surface of the moving pipe.
4. The airtightness detection apparatus for a thermal power plant according to claim 1, wherein a first pipeline is fixedly connected to a bottom of the first electric push rod, and the first pipeline and the second pipeline are both semi-cylindrical.
5. The airtightness detection apparatus for a thermal power plant according to claim 4, wherein first and second sealing rings are provided between the first and second pipes and the pipe, respectively.
6. The airtightness detection device for the thermal power plant according to claim 4, wherein a plurality of clamping blocks are fixedly connected to the bottom of the first pipeline, a plurality of clamping grooves matched with the clamping blocks are formed in the top of the second pipeline, a rubber block is arranged inside each clamping groove, the clamping blocks are connected with the clamping grooves in a clamping manner, the first pipeline and the second pipeline form a sealing pipe through the clamping blocks and the clamping grooves, and a sealing gasket is arranged at the top of the second pipeline.
7. The airtightness detection apparatus for a thermal power plant according to claim 1, wherein the detection assembly includes an air vent, a measurement box, a return spring, and a piston, the air vent is formed at the bottom of the second pipeline, the measurement box is fixedly connected to the bottom of the second pipeline, the return spring is fixedly connected to the inside of the measurement box, the piston used in cooperation with the measurement box is fixedly connected to the top end of the return spring, and the measurement box is made of a transparent glass plate material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220446805.9U CN217211266U (en) | 2022-03-03 | 2022-03-03 | A gas tightness detection device for thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220446805.9U CN217211266U (en) | 2022-03-03 | 2022-03-03 | A gas tightness detection device for thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217211266U true CN217211266U (en) | 2022-08-16 |
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ID=82753776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220446805.9U Expired - Fee Related CN217211266U (en) | 2022-03-03 | 2022-03-03 | A gas tightness detection device for thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217211266U (en) |
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2022
- 2022-03-03 CN CN202220446805.9U patent/CN217211266U/en not_active Expired - Fee Related
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Granted publication date: 20220816 |