CN117213927A - Nuclear power station wastewater sampling device capable of being remotely operated and application method thereof - Google Patents
Nuclear power station wastewater sampling device capable of being remotely operated and application method thereof Download PDFInfo
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- CN117213927A CN117213927A CN202311190264.3A CN202311190264A CN117213927A CN 117213927 A CN117213927 A CN 117213927A CN 202311190264 A CN202311190264 A CN 202311190264A CN 117213927 A CN117213927 A CN 117213927A
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- 238000005070 sampling Methods 0.000 title claims abstract description 91
- 239000002351 wastewater Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 238000003825 pressing Methods 0.000 claims description 22
- 230000005855 radiation Effects 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 229910052778 Plutonium Inorganic materials 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 238000009206 nuclear medicine Methods 0.000 description 1
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 239000002901 radioactive waste Substances 0.000 description 1
- 239000002354 radioactive wastewater Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
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Abstract
The application provides a remotely-operable nuclear power station wastewater sampling device and a use method thereof, and belongs to the technical field of nuclear power station wastewater sampling. The application not only can remotely sample, but also can automatically seal the sampling liquid after sampling, and can seal the collecting pipe for sampling, thereby having the advantage of safer use.
Description
Technical Field
The application relates to the technical field of nuclear power station wastewater sampling, in particular to a nuclear power station wastewater sampling device capable of being operated remotely and a using method thereof.
Background
The nuclear power plant is a facility for generating electricity by nuclear energy, releases the nuclear energy by using a nuclear reaction, and converts the nuclear energy into electric energy, the core part of the nuclear power plant is a nuclear reactor, which contains nuclear fuel, such as uranium or plutonium, and the like, and is used for inducing a nuclear fission reaction or a nuclear fusion reaction, the nuclear reaction generates huge energy, heat energy is used for steam power circulation to drive a steam turbine to rotate a generator, electric energy is finally generated, waste water generated by the nuclear power plant can influence the environment and public health, and therefore, a waste water sampling device is required to be used for detection when the waste water is treated, and the existing waste water sampling device of the nuclear power plant has some defects when in use.
For example, the sampling device and the sampling method for nuclear medicine radioactive wastewater disclosed in publication No. CN115452478A adopt a closed loop passage of a field sampling device formed by connecting two pump groups by a charging direct current power supply, and realize the functions of non-contact sampling and laboratory semiautomatic sample division sampling. The closed-loop sampling path and the non-contact liquid level sensor control switch group effectively control the liquid level of the sample in the sampling process, and stop the phenomenon of 'running, falling and leaking'; the sampling site is not added with other radioactive wastes, and only one sampling hose is reserved in the decay tank for subsequent sampling and repeated use, so that the use efficiency is improved, and the cost is saved. The device can realize the anti-drip function, but in actual use, can not carry out long-range sample to the waste water of nuclear power station, can not utilize the removal of sample framework to collect liquid and gas in step in addition when sampling liquid, current sampling device is when taking a sample, can not be after the sample is accomplished self-closing and the closed radiation shield cover to current nuclear power station waste water sampling device can not be in the state of keeping nuclear radiation shielding convenient realization sample function, exists the security risk.
Disclosure of Invention
The application is provided in view of the problems existing in the existing nuclear power station waste water sampling device.
In order to solve the technical problems, the application provides the following technical scheme: the utility model provides a but remote operation's nuclear power station waste water sampling device, includes the pipeline, the below of pipeline is from front to back fixedly connected with fixed cover, shell and connecting tube in proper order, the inside of pipeline is from front to back seted up flutedly, first spread groove, inside groove and second spread groove in proper order, the inside of recess is provided with the swash plate, the below fixedly connected with head rod of swash plate, the bottom of head rod is fixedly provided with connecting block, be fixed connection between fixed cover and the pipeline, the rear side of swash plate is fixedly provided with second connecting rod, the rear side fixedly connected with connecting frame of second connecting rod, the connecting frame is located the inside groove, the below fixedly connected with connecting tube of shell, gas collecting component is installed to the below of connecting tube, the bottom fixedly connected with overlap plate of fixed cover, fixedly connected with bracing piece on the overlap plate, the top of bracing piece is provided with the connecting plate, the equal fixedly connected with collecting pipe in the left and right sides of connecting plate articulates on the collecting pipe has the second shielding lead cover, and the outside of collecting pipe is provided with the connecting shell, and the inside of connecting shell and the automatic lead shielding cover is installed to the side of inside and the collecting pipe and the connecting shell is connected with the lead shielding cover in the first movable mounting platform.
As a preferential scheme of the application, the pipeline, the shell, the fixed sleeve, the connecting pipe and the connecting cylinder are integrally formed, convex plates are arranged in the shell at equal intervals, and the convex plates and the connecting pipe are distributed in a staggered mode.
As a preferential scheme of the application, the inclined plate, the first connecting rod, the connecting block, the second connecting rod and the connecting frame are integrated, a gap exists between the connecting block and the fixed sleeve, and the height of the inclined plate is gradually decreased from front to back.
As a preferred embodiment of the present application, the inner wall of the inner tank and the outer wall of the connection frame are bonded to each other, and the inner tank is communicated with the connection cylinder through the second communication tank.
As a preferential scheme of the application, the gas collecting assembly comprises a first fixed cylinder fixedly arranged below a connecting cylinder, a second fixed cylinder is fixedly arranged inside the connecting cylinder, a piston plate is slidably arranged inside the first fixed cylinder, a sliding rod is fixedly arranged below the piston plate, a first spring is sleeved outside the sliding rod, the upper side and the lower side of the first spring are respectively connected with the piston plate and a connecting plate, a shielding cover is arranged below the first fixed cylinder in a threaded manner, a shielding bottom plate is fixedly arranged at the bottom of the shielding cover, a shielding block is fixedly arranged in the middle of the shielding bottom plate, and sliding connection is realized between the sliding rod and the connecting plate.
As a preferential scheme of the application, the central axes of the first fixed cylinder, the shielding cover, the shielding bottom plate and the shielding block are collinear, and the shielding block is made of flexible lead glue.
As a preferential scheme of the application, the automatic sampling assembly comprises a first through hole arranged in the middle of a collecting pipe, a first rubber pad and a second rubber pad are arranged on two sides of the inside of the first through hole, a second spring is fixedly arranged on two sides of the bottom of the collecting pipe, a storage groove is formed in the connecting shell, a fixed block is fixedly arranged at the bottom of the storage groove, a second through hole is formed in the middle of the fixed block, a fixed rod is fixedly connected to the inner wall of the second through hole, and a top block is fixedly connected to the fixed rod.
As a preferential scheme of the application, the pressing component comprises a pressing block which is slidably arranged on the first shielding lead cover, an extension plate is fixedly connected to the pressing block, a third spring is fixedly connected between the extension plate and the first shielding lead cover, and a first vortex spring is fixedly arranged between the first shielding lead cover and the connecting shell.
As a preferential scheme of the application, a second vortex spring is arranged between the second shielding lead cover and the collecting pipe, and the second shielding lead cover and the collecting pipe are made of flexible lead adhesive.
The application method of the remotely-operable nuclear power station wastewater sampling device comprises the following steps of:
s1: when wastewater flows to the rear side from the front end of the pipeline, water flow can impact the lower surface of the inclined plate, the inclined plate can be subjected to lifting force when being impacted by the water flow, the second connecting rod and the connecting frame are driven to move upwards, after the wastewater enters the inside of the connecting frame, the weight of the connecting frame is increased and the connecting frame moves downwards, at the moment, the air pressure in the inner groove is increased, the air flow can enter the inside of the connecting cylinder through the second communicating groove, and the air pressure is increased, so that the air collecting assembly collects the air;
s2: after the connecting frame moves to the lowest part, sampled liquid flows into the shell through the first communication groove, flows into the connecting pipe along the inclined plane of the inner wall of the shell, and finally is stored into the collecting pipe to finish sampling, and the connecting shell and the collecting pipe are driven to integrally move through the moving trolley, so that the collecting pipe is separated from the lower part of the connecting pipe;
s3: in the process that the collecting pipe moves to the rear side, the connecting plate moves above the supporting rod, the second shielding lead cover is closed after the collecting pipe is separated from the connecting pipe, the function of automatically shielding radiation after sampling is completed, after the connecting plate is separated from the supporting rod, the collecting pipe moves downwards under the action of gravity, the first shielding lead cover is closed, and the closed shielding collecting pipe is moved to a designated area by the moving trolley, so that the remote operation function is realized;
s4: after the first shielding lead cover is closed, the collecting pipe is pressed down by the pressing component, and when the collecting pipe moves downwards, a small amount of sampling objects flow out from the lower part of the automatic sampling component by the automatic sampling component, so that sampling work is completed, and gas generated during liquid sampling is sampled and detected from the bottom of the gas collecting component by the needle tube.
Compared with the prior art, the application has the beneficial effects that:
through bracing piece, collecting pipe and the connecting plate that set up, the device can be at the in-process of work, drives collecting pipe and the whole backward movement of coupling shell through the travelling bogie for the collecting pipe breaks away from the below of connecting pipe, and then realizes long-range automatic sampling function, has promoted the result of use of device, has solved the defect that current nuclear power station waste water sampling device can not long-range sample, and the device has the advantage that the functionality is stronger.
The device utilizes the flow of rivers to strike the swash plate when the sample, makes the automatically lifting of connecting frame to realize the function of automatic sampling, and when rivers stop removing, the connecting frame is automatic to fall, has realized the function of a small amount of samplings, avoids the excessive volume of samplings, and the sample liquid in the connecting frame can flow to shell, connecting pipe and collecting pipe's inside along first intercommunication groove and accomplish the sample work.
3. Through bracing piece and the connection shell on the device, the device can be when moving the connection shell backward, make the connecting plate between two adjacent collecting pipes break away from the bracing piece, thereby make the collecting pipe move down voluntarily under self gravity effect, when the collecting pipe moves down, first shielding plumbous lid is automatic closed under first scroll spring's effect, second shielding plumbous lid is automatic closed under second scroll spring's effect, not only realized the closed function to the sample liquid, can also seal the collecting pipe that is used for the sample, and first shielding plumbous lid and second shielding plumbous lid can shield nuclear radiation, reduce the security risk, can not be when taking a sample at current sampling device and close the defect of radiation shielding cover after the sample is accomplished, the device has the advantage that uses safelyr.
4. Through inside groove, second intercommunication groove and the linking box that sets up for the device when rivers stop flowing, the linking box whereabouts, the inside of second intercommunication groove and first intercommunication groove can be flowed into to the gas in the inside groove, and the inside of connecting cylinder and gas collection subassembly can be got into to the gas in the second intercommunication groove, realizes automatic sampling liquid and automatic sampling to gas, has solved current sampling device and can not utilize the removal of sampling frame body to carry out synchronous collection's defect to liquid and gas voluntarily when sampling liquid, and the device has the advantage of using more various.
5. Through the pressing component that sets up, after the plumbous lid of second shielding and the plumbous lid of first shielding are closed, make the briquetting can dock the upper and lower two parts of automatic sampling component through pressing the briquetting, follow-up can be at the external shielding sampling tube in the bottom of coupling shell, realized conveniently realizing the sample function under the state that keeps nuclear radiation shielding, and after the sample is accomplished, stop pressing the briquetting, make the collecting pipe automatic upward movement under the effect of second spring, keep the closed state of collecting pipe bottom again, the security when having guaranteed the device use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following detailed description will be given with reference to the accompanying drawings and detailed embodiments, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort to a person of ordinary skill in the art. Wherein:
FIG. 1 is a schematic diagram of the whole structure of a remotely operable waste water sampling device of a nuclear power plant;
FIG. 2 is a schematic view of the structure of FIG. 1 at A;
FIG. 3 is a schematic view of the internal structure of the pipeline according to the present application;
FIG. 4 is a schematic view of the internal structure of the housing of the present application;
FIG. 5 is a schematic view of the structure at B in FIG. 4;
FIG. 6 is a schematic view of the structure of FIG. 4 at C;
FIG. 7 is a schematic view of the internal structure of the connection housing of the present application;
FIG. 8 is a schematic view of the structure of FIG. 7 at D;
FIG. 9 is a schematic view of the structure at E in FIG. 7;
FIG. 10 is a schematic view of the structure shown at F in FIG. 7;
FIG. 11 is a schematic view of the structure at G in FIG. 7;
FIG. 12 is a schematic view of the structure of the header and second shield lead cap of the present application;
fig. 13 is a schematic view of the structure H in fig. 12.
Reference numerals: 1. a pipe; 2. a housing; 3. a sloping plate; 4. a first connecting rod; 5. a connecting block; 6. a fixed sleeve; 7. a second connecting rod; 8. a connection frame; 9. an inner tank; 10. a first communication groove; 11. a second communication groove; 12. a convex plate; 13. a connecting pipe; 14. a connecting cylinder; 15. a gas collection assembly; 1501. a first fixed cylinder; 1502. a second fixed cylinder; 1503. a piston plate; 1504. a slide bar; 1505. a first spring; 1506. a splice plate; 1507. a shield; 1508. a shielding bottom plate; 1509. a shielding block; 16. a groove; 17. a lapping plate; 18. a support rod; 19. a collection pipe; 20. a connecting plate; 21. a connection housing; 22. an automatic sampling assembly; 2201. a first rubber pad; 2202. a second rubber pad; 2203. a second spring; 2204. a first through hole; 2205. a storage groove; 2206. a fixed block; 2207. a top block; 2208. a second through hole; 2209. a fixed rod; 23. a first scroll spring; 24. a first shielding lead cover; 25. a pressing assembly; 2501. briquetting; 2502. an extension plate; 2503. a third spring; 26. a second shielding lead cover; 27. a second scroll spring; 28. and (5) moving the trolley.
Detailed Description
In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
Next, the present application will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present application. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1-13, a remotely operable waste water sampling device for a nuclear power station comprises a pipeline 1, wherein a fixed sleeve 6, a shell 2 and a connecting cylinder 14 are fixedly connected from front to back under the pipeline 1, a groove 16, a first communicating groove 10, an inner groove 9 and a second communicating groove 11 are sequentially formed in the pipeline 1 from front to back, an inclined plate 3 is arranged in the groove 16, a first connecting rod 4 is fixedly connected under the inclined plate 3, a connecting block 5 is fixedly arranged at the bottom of the first connecting rod 4, the fixed sleeve 6 is fixedly connected with the pipeline 1, a second connecting rod 7 is fixedly arranged at the rear side of the inclined plate 3, a connecting frame 8 is fixedly connected at the rear side of the second connecting rod 7, the inclined plate 3 can European drive the connecting frame 8 to move upwards when water flows backwards, the connecting block 5 can restrict the distance that connecting frame 8 upwards moved, avoid connecting frame 8 to break away from inside groove 9, lead to the sample volume too much, the below fixedly connected with connecting pipe 13 of shell 2, gas collection subassembly 15 is installed to the below of connecting cylinder 14, connecting frame 8 is located inside groove 9, when connecting frame 8 moves down, the atmospheric pressure of inside groove 9 increases, after connecting frame 8 moves to first intercommunication groove 10 upper left open-ended below (can see in combination with fig. 4 and 5), when connecting frame 8 continues to move down, first intercommunication groove 10 upper left open-ended is in closed state, can make the air current can get into the inside of connecting cylinder 14 and gas collection subassembly 15 through second intercommunication groove 11, realize the function of taking a sample with the sample liquid simultaneously automatic to gas. The bottom fixedly connected with lapping plate 17 of fixed cover 6, fixedly connected with bracing piece 18 on the lapping plate 17, the top of bracing piece 18 is provided with connecting plate 20, the equal fixedly connected with collecting pipe 19 of left and right sides of connecting plate 20, it has second shielding plumbous lid 26 to articulate on the collecting pipe 19, the outside of collecting pipe 19 is provided with the connection shell 21, bracing piece 18 can carry out auxiliary stay to collecting pipe 19 and connecting plate 20, after collecting pipe 19 keeps moving backward until connecting plate 20 breaks away from bracing piece 18, collecting pipe 19 can be accomodate to the inside of connection shell 21 automatically, thereby realize self-closing and automatic shielding nuclear radiation's function, automatic sampling subassembly 22 is installed to the inside of connection shell 21 and the below of collecting pipe 19, articulated on the connection shell 21 has first shielding plumbous lid 24, install pressing component 25 in the first shielding plumbous lid 24, the outside fixed mounting of connection shell 21 has mobile trolley 28, mobile trolley 28 can drive connection shell 21 and remove, so that follow-up automatic sampling and automatic closing after the sampling.
In this example, pipeline 1, shell 2, fixed cover 6, connecting pipe 13 and connecting cylinder 14 integrated into one piece guarantee the holistic stability of device, and protruding board 12 is installed to the inside equidistance of shell 2, and protruding board 12 and connecting pipe 13 crisscross distribution, protruding board 12 and connecting pipe 13 of crisscross distribution can realize the function of taking a sample simultaneously through a plurality of connecting pipes 13 to follow-up contrast detection.
In this example, swash plate 3, head rod 4, connecting block 5, second connecting rod 7 and connecting frame 8 are an entity, exist the space between connecting block 5 and the fixed cover 6, and swash plate 3 is highly progressively decreased from front to back, and swash plate 3 can produce the lift when receiving backward impact of rivers, and swash plate 3, head rod 4, connecting block 5, second connecting rod 7 and connecting frame 8 wholly upwards move this moment, intercept partial liquid through connecting frame 8 and take a sample the work.
In this example, the inner wall of the inner tank 9 and the outer wall of the connecting frame 8 are attached to each other, the inner tank 9 is communicated with the connecting cylinder 14 through the second communicating groove 11, after the water flow stops flowing, the connecting frame 8 is not lifted, at this time, the connecting frame 8 moves downwards in the inner tank 9, the air pressure in the inner tank 9 is increased, automatic gas can flow into the connecting cylinder 14, and the function of sampling the gas while sampling the liquid is achieved.
In this example, the gas collecting assembly 15 includes a first fixed cylinder 1501 fixedly installed below the connecting cylinder 14, a second fixed cylinder 1502 is fixedly installed inside the connecting cylinder 14, a piston plate 1503 is fixedly installed inside the first fixed cylinder 1501 in a sliding manner, a sliding rod 1504 is fixedly installed below the piston plate 1503, a first spring 1505 is sleeved outside the sliding rod 1504, the first spring 1505 is a spring with a smaller stiffness coefficient, the first spring 1505 is ensured to be contracted to a higher degree when the air pressure is increased, thereby ensuring the gas sampling effect, the upper side and the lower side of the first spring 1505 are respectively connected with the piston plate 1503 and a connecting plate 1506, a shielding cover 1507 is installed below the first fixed cylinder 1501 in a threaded manner, a shielding bottom plate 1508 is fixedly installed at the bottom of the shielding cover 1507, a shielding block 1509 is fixedly installed in the middle of the shielding bottom plate 1508, when the air pressure in the second fixed cylinder 1502 is increased when the air pressure in the connecting cylinder 1504 is increased, the piston plate 1503 is moved downwards, the sliding rod 1503 slides on the connecting plate, the first spring 1505 is compressed into the first fixed cylinder 1507, and the shielding cover 1507 is compressed.
In this example, the central axes of the first fixed cylinder 1501, the shielding cover 1507, the shielding bottom plate 1508 and the shielding block 1509 are collinear, the shielding block 1509 is made of flexible lead glue, and the shielding block 1509 can be punctured by a needle tube to perform gas sampling detection work, so that the safety of the device in use is ensured by the shielding cover 1507, the shielding bottom plate 1508 and the shielding block 1509.
In this example, automatic sampling assembly 22 is including seting up in the first through-hole 2204 in the middle of collecting pipe 19, first rubber pad 2201 and second rubber pad 2202 are installed to the inside both sides of first through-hole 2204, collecting pipe 19 bottom's both sides are fixed to be provided with the second spring 2203, collecting groove 2205 has been seted up to the inside of coupling shell 21, collecting groove 2205's bottom is fixed to be provided with fixed block 2206, the second through-hole 2208 has been seted up in the centre of fixed block 2206, fixedly connected with dead lever 2209 on the inner wall of second through-hole 2208, fixedly connected with kicking block 2207 on the dead lever 2209, sealing effect can not only be guaranteed to first rubber pad 2201 and second rubber pad 2202, moreover can be after kicking up first rubber pad 2201 and second rubber pad 2202, can open confined passageway, realize closed sampling function, the second spring 2203 makes collecting pipe 19 can automatic re-setting, thereby realize the function of sealing collecting pipe 19 again after the sample.
In this example, the pressing component 25 includes a pressing block 2501 slidably mounted on the first shielding lead cover 24, an extension plate 2502 is fixedly connected to the pressing block 2501, a third spring 2503 is fixedly connected between the extension plate 2502 and the first shielding lead cover 24, a communication channel can be opened to perform sampling operation after the pressing block 2501 is pressed, a first vortex spring 23 is fixedly mounted between the first shielding lead cover 24 and the connection shell 21, the first vortex spring 23 enables the first shielding lead cover 24 to be automatically closed (the first vortex spring 23 is in a normal state when the first shielding lead cover 24 is closed, and the first vortex spring 23 is in a compressed state when the first shielding lead cover 24 is opened, so that the first shielding lead cover 24 is automatically closed after being opened), thereby realizing the functions of sealing a sample and shielding nuclear radiation, and ensuring the safety of the device in use.
In this example, a second vortex spring 27 is installed between the second shielding lead cover 26 and the collecting pipe 19, the second vortex spring 27 enables the collecting pipe 19 and the second shielding lead cover 26 to be automatically closed when the second shielding lead cover 26 is not blocked, so that safety of the device in use is guaranteed, materials of the second shielding lead cover 26 and the collecting pipe 19 are flexible lead glue, the second shielding lead cover 26 and the collecting pipe 19 can be extruded, so that the second shielding lead cover 26 and the collecting pipe 19 can be integrally separated and closed (when the second shielding lead cover 26 is closed, the second vortex spring 27 is in a normal state, and when the second shielding lead cover 26 is opened, the second vortex spring 27 is in a compressed state, so that the second shielding lead cover 26 can be automatically closed after being opened).
It should be noted that, in the application, as shown in fig. 1-7, 12 and 13, when waste water flows from the front end of the pipeline 1 to the rear side, the water flow will impact the lower surface of the inclined plate 3, the inclined plate 3 will be lifted when being impacted by the water flow, so as to drive the second connecting rod 7 and the connecting frame 8 to move upwards, the waste water enters the inside of the connecting frame 8, the weight of the connecting frame 8 increases, after the water flow stops, the connecting frame 8 moves downwards, at this time, the air pressure in the inner tank 9 increases, the air flow enters the inside of the connecting cylinder 14 through the second communicating groove 11 (as shown in fig. 5), when the air pressure in the connecting cylinder 14 increases, the air pressure in the second fixed cylinder 1502 increases, the sliding rod 1504 moves downwards, and the connecting plate 1506 is in a straight shape (as can be seen in fig. 6), so that the air can flow downwards through the connecting plate 1506, so as to realize the gas collecting function subsequently, the first spring 1505 is compressed, the air can enter the first fixed cylinder 1507 with larger inner diameter, the shielding member 1507, the air can enter the inside of the first fixed cylinder 1507 with larger inner diameter, the shielding member 1507, the air collecting block 1507 can be collected through the piston 1507, and the shielding effect can be guaranteed, the radiation shielding effect can be guaranteed, and the shielding effect of the piston tube 1509 can be ensured. After the connection frame 8 moves to the lowest position, the sampled liquid flows into the housing 2 through the first communication groove 10 (as can be seen in fig. 5, the internal space of the housing 2 and the first communication groove 10 are communicated with each other, so that when the connection frame 8 moves to the lowest position, the liquid is communicated with the first communication groove 10, flows into the connecting pipe 13 along the inclined plane of the inner wall of the housing 2, and finally is stored into the collecting pipe 19, the sampling work is completed, and the movable trolley 28 drives the connection shell 21 and the collecting pipe 19 to integrally move, so that the collecting pipe 19 is separated from the lower part of the connecting pipe 13. During the backward movement of the collection tube 19 and the second shielding lead cover 26, the second vortex spring 27 enables the second shielding lead cover 26 to be automatically closed, so that the function of automatically closing the top opening of the collection tube 19 after sampling is realized.
As shown in fig. 1-5 and fig. 7-11, in the process of moving the collecting pipe 19 to the rear side, the connecting plate 20 moves above the supporting rod 18, the collecting pipe 19 is separated from the connecting pipe 13, the second shielding lead cover 26 is closed, the function of automatically shielding radiation after sampling is completed, after the connecting plate 20 is separated from the supporting rod 18, the collecting pipe 19 moves downwards under the action of gravity, the first shielding lead cover 24 is automatically closed under the action of the first vortex spring 23, and the moving trolley 28 moves the closed shielded collecting pipe 19 to a designated area, so that the remote operation function is realized. After the first shielding lead cover 24 is closed, the pressing block 2501 on the pressing component 25 presses down the collecting pipe 19, the third spring 2503 on the extension plate 2502 is compressed, when the collecting pipe 19 moves downwards, the first rubber pad 2201 and the second rubber pad 2202 in the first through hole 2204 not only can ensure sealing effect, but also can open a closed channel after the jacking block 2207 pushes the first rubber pad 2201 and the second rubber pad 2202 when the collecting pipe 19 is pressed downwards by the pressing block 2501, sampling liquid flows into an external shielding sampling tube through the second through hole 2208 to realize a closed sampling function, when the pressing block 2501 is not pressed down any more, the collecting pipe 19 can be automatically reset, so that the function of closing the collecting pipe 19 again after sampling is realized, and the automatic sampling component 22 enables a small amount of sampling objects to flow out from the lower part of the automatic sampling component 22 to finish sampling work.
Although the application has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the application. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the application not be limited to the particular embodiment disclosed, but that the application will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. But remote operation's nuclear power station waste water sampling device, including pipeline (1), its characterized in that: the utility model discloses a pipeline (1) with a connecting rod, including pipeline (1) and connecting rod (1), fixed cover (6), shell (2) and connecting tube (14) are fixedly connected with in proper order from front to back to the below of pipeline (1), recess (16), first intercommunication groove (10), inside groove (9) and second intercommunication groove (11) are seted up in proper order from front to back to the inside of pipeline (1), the inside of recess (16) is provided with swash plate (3), the below fixedly connected with head rod (4) of swash plate (3), the bottom fixedly connected with connecting block (5) of head rod (4), be fixedly connected with between fixed cover (6) and pipeline (1), the rear side fixedly connected with second connecting rod (7) of swash plate (3), rear side fixedly connected with connecting frame (8) of second connecting rod (7), connecting frame (8) are located inside groove (9), the below fixedly connected with connecting tube (13) of shell (2), the below of connecting tube (14) is installed gas collection subassembly (15), the bottom fixedly connected with head rod (17) of fixed with connecting cover (6), connecting rod (18) are connected with connecting plate (20) on the left side fixedly connected with connecting rod (18) of lap (20), the collecting pipe (19) is hinged with a second shielding lead cover (26), the outer side of the collecting pipe (19) is provided with a connecting shell (21), an automatic sampling assembly (22) is arranged in the connecting shell (21) and below the collecting pipe (19), the connecting shell (21) is hinged with a first shielding lead cover (24), a pressing assembly (25) is arranged in the first shielding lead cover (24), and a movable trolley (28) is fixedly arranged on the outer side of the connecting shell (21).
2. A remotely operable nuclear power plant wastewater sampling device as claimed in claim 1, wherein: the pipeline (1), the shell (2), the fixed sleeve (6), the connecting pipe (13) and the connecting cylinder (14) are integrally formed, the convex plates (12) are arranged in the shell (2) at equal intervals, and the convex plates (12) and the connecting pipe (13) are distributed in a staggered mode.
3. A remotely operable nuclear power plant wastewater sampling device as claimed in claim 1, wherein: the inclined plate (3), the first connecting rod (4), the connecting block (5), the second connecting rod (7) and the connecting frame (8) are integrated, a gap exists between the connecting block (5) and the fixed sleeve (6), and the height of the inclined plate (3) decreases from front to back.
4. A remotely operable nuclear power plant wastewater sampling device as claimed in claim 1, wherein: the inner wall of the inner groove (9) is attached to the outer wall of the connecting frame (8), and the inner groove (9) is communicated with the connecting cylinder (14) through the second communicating groove (11).
5. A remotely operable nuclear power plant wastewater sampling device as claimed in claim 1, wherein: the gas collection assembly (15) comprises a first fixed cylinder (1501) fixedly arranged below a connecting cylinder (14), a second fixed cylinder (1502) is fixedly arranged inside the connecting cylinder (14), a piston plate (1503) is slidably arranged inside the first fixed cylinder (1501), a sliding rod (1504) is fixedly arranged below the piston plate (1503), a first spring (1505) is sleeved outside the sliding rod (1504), the upper side and the lower side of the first spring (1505) are respectively connected with the piston plate (1503) and a connecting plate (1506), a shielding cover (1507) is arranged below the first fixed cylinder (1501) in a threaded mode, a shielding bottom plate (1508) is fixedly arranged at the bottom of the shielding cover (1507), a shielding block (1509) is fixedly arranged in the middle of the shielding bottom plate (1508), and sliding connection is achieved between the sliding rod (1504) and the connecting plate (1506).
6. A remotely operable nuclear power plant wastewater sampling apparatus as recited in claim 5 wherein: the first fixed cylinder (1501), the shielding cover (1507), the shielding bottom plate (1508) and the central axes of the shielding block (1509) are collinear, and the shielding block (1509) is made of flexible lead glue.
7. A remotely operable nuclear power plant wastewater sampling device as claimed in claim 1, wherein: the automatic sampling assembly (22) comprises a first through hole (2204) formed in the middle of a collecting pipe (19), first rubber pads (2201) and second rubber pads (2202) are arranged on two sides of the inner portion of the first through hole (2204), second springs (2203) are fixedly arranged on two sides of the bottom of the collecting pipe (19), a containing groove (2205) is formed in the inner portion of a connecting shell (21), a fixing block (2206) is fixedly arranged on the bottom of the containing groove (2205), a second through hole (2208) is formed in the middle of the fixing block (2206), a fixing rod (2209) is fixedly connected to the inner wall of the second through hole (2208), and a top block (2207) is fixedly connected to the fixing rod (2209).
8. A remotely operable nuclear power plant wastewater sampling device as claimed in claim 1, wherein: the pressing assembly (25) comprises a pressing block (2501) which is slidably mounted on a first shielding lead cover (24), an extension plate (2502) is fixedly connected to the pressing block (2501), a third spring (2503) is fixedly connected between the extension plate (2502) and the first shielding lead cover (24), and a first vortex spring (23) is fixedly mounted between the first shielding lead cover (24) and the connecting shell (21).
9. A remotely operable nuclear power plant wastewater sampling device as claimed in claim 1, wherein: a second vortex spring (27) is arranged between the second shielding lead cover (26) and the collecting pipe (19), and the second shielding lead cover (26) and the collecting pipe (19) are made of flexible lead adhesive.
10. A method of using a remotely operable nuclear power plant wastewater sampling device of claim 1, comprising the steps of:
s1: when wastewater flows to the rear side from the front end of the pipeline (1), water flow can impact the lower surface of the inclined plate (3), the inclined plate (3) can be subjected to lifting force when being impacted by the water flow, the second connecting rod (7) and the connecting frame (8) are driven to move upwards, after the wastewater enters the inside of the connecting frame (8), the weight of the connecting frame (8) is increased and the wastewater moves downwards, at the moment, the air pressure in the inner groove (9) is increased, the air flow can enter the inside of the connecting cylinder (14) through the second communication groove (11), and the air pressure is increased, so that the air collection assembly (15) collects the air;
s2: after the connecting frame (8) moves to the lowest part, sampled liquid flows into the shell (2) through the first connecting groove (10), flows into the connecting pipe (13) along the inclined plane of the inner wall of the shell (2), and finally is stored into the collecting pipe (19), so that the sampling work is completed, and the connecting shell (21) and the collecting pipe (19) are driven to integrally move through the moving trolley (28), so that the collecting pipe (19) is separated from the lower part of the connecting pipe (13);
s3: in the process that the collecting pipe (19) moves towards the rear side, the connecting plate (20) moves above the supporting rod (18), the second shielding lead cover (26) is closed after the collecting pipe (19) is separated from the connecting pipe (13), the function of automatically shielding radiation after sampling is finished, after the connecting plate (20) is separated from the supporting rod (18), the collecting pipe (19) moves downwards under the action of gravity, the first shielding lead cover (24) is closed, and the closed shielding collecting pipe (19) is moved to a designated area by the moving trolley (28), so that the remote operation function is realized;
s4: after the first shielding lead cover (24) is closed, the collecting pipe (19) is pressed down by the pressing component (25), when the collecting pipe (19) moves downwards, the automatic sampling component (22) enables a small amount of sampling substances to flow out from the lower part of the automatic sampling component (22), sampling work is completed, and gas generated during liquid sampling can be sampled and detected from the bottom of the gas collecting component (15) through the needle tube.
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| CN202311190264.3A CN117213927B (en) | 2023-09-15 | 2023-09-15 | Nuclear power station wastewater sampling device capable of being remotely operated and application method thereof |
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| CN202311190264.3A CN117213927B (en) | 2023-09-15 | 2023-09-15 | Nuclear power station wastewater sampling device capable of being remotely operated and application method thereof |
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| CN117213927B (en) | 2024-04-23 |
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