CN217902732U - Visual water seal pumping and injecting device for nuclear power plant - Google Patents

Abstract

The utility model discloses a visual water seal of nuclear power plant takes out notes device, it includes the telescopic link, takes out notes device and collection system, takes out notes the device including taking out notes pipe and syringe, takes out the first end of notes pipe and the first end fixed connection of telescopic link, takes out the second end of notes pipe and is connected with the syringe, and collection system includes the detection piece and the terminal of being connected with the detection piece communication, the first end fixed connection of detection piece and telescopic link. The visual water seal pumping and injecting device for the nuclear power plant is simple in structure, good in adaptability, capable of simply and reliably carrying out visual water adding on water seals with different heights and different positions, and controllable in process.

Description

Visual water seal pumping and injecting device for nuclear power plant

Technical Field

The utility model relates to a nuclear power technology field especially relates to a visual water seal pump injection device of nuclear power plant.

Background

The water seal is a measure for resisting the change of air pressure in the drain pipe by using hydrostatic pressure with a certain height and preventing air in the pipe from entering a room. When the air pressure inside and outside the equipment is different, the water seal can be used for isolating, and the normal discharge of condensed water in the equipment is ensured. The system that nuclear island fan was equipped with the cooler has DVN, DVL, DCA, DCL, DVE, DWL, DVG, EVC, EVR, RRM, SLT, because the operating parameter requirement, the air temperature and the pressure drop after the cooler export decline more, make the interior negative pressure that forms of cooler, can lead to the comdenstion water discharge not smooth in the cooler, consequently installs the water seal additional at the drain line during the design, prevents to cause the drainage unsmooth because the inside negative pressure of cooler. The cooler mainly comprises a DVL system, a DVN system, an SLT system and a DVG system, wherein the DVL system, the DVN system, the SLT system and the DVG system are provided with water seals on site. The prior experience feedback of water seal failure is carried out, and in 7-18 months in 2020, 8DVN109RF (dynamic digital network) drainage is found to be unsmooth on site, so that the outlet fan blows the pipeline condensate water to downstream equipment 3DEG001MO (steam generator), the plastic cloth is used on site for temporary shielding, professional site treatment is connected, the water seal is recovered, and drainage is promoted.

Some water seals among the field device can go to observe on climbing the vertical ladder, and some water seals can't install the vertical ladder because the restriction in field device and space, look over and all have certain difficulty and risk in the water seal moisturizing actual operation to the water seal on the spot. The water seals are all located at places with higher positions and no ladder to reach, and some water seals have a plurality of pipelines due to the arrangement of a factory building, so that the ladder cannot be well unfolded. Without a ladder, one can only stand on a few pipes to view, increasing the industrial risk to personnel.

And secondly, even if a water seal can be seen, the water seal is arranged in the middle of the drainage platform, and the water seal cup can not be sealed by adding a common mineral water bottle by hand to finish water adding.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in providing a visual water seal pump drainage of nuclear power plant annotates device.

The utility model provides a technical scheme that its technical problem adopted is: constructing a visual water seal pumping and injecting device of a nuclear power plant, wherein the visual water seal pumping and injecting device comprises a telescopic rod, a pumping and injecting device and a collecting device;

the pumping and injecting device comprises a pumping and injecting pipe and an injector, wherein the first end of the pumping and injecting pipe is fixedly connected with the first end of the telescopic rod, and the second end of the pumping and injecting pipe is connected with the injector;

the acquisition device comprises a detection piece and a terminal in communication connection with the detection piece, and the detection piece is fixedly connected with the first end of the telescopic rod.

In some embodiments, the telescoping rod has a hollow lumen through which the aspiration tube is disposed;

the collecting device comprises a collecting line, the collecting line penetrates through the hollow inner cavity, and the first end of the collecting line is fixedly connected with the first end of the telescopic rod.

In some embodiments, the first end of the extension rod is provided with a clamp, the first end of the suction and injection tube is fixed on the clamp, and the first end of the collection wire is fixed on the clamp.

In some embodiments, the clamp includes a main body portion, and the main body portion is provided with a first clamping groove for clamping the first end of the pumping tube, and a second clamping groove for clamping the first end of the collection line.

In some embodiments, the detector is a camera.

In some embodiments, the probe is an endoscope.

In some embodiments, the telescoping pole comprises a plurality of poles connected together by hinges.

In some embodiments, the telescoping rod is a metal rod.

In some embodiments, the syringe is provided with a scale.

In some embodiments, the terminal is a handheld display.

Implement the utility model discloses following beneficial effect has: this visual water seal of nuclear power plant takes out notes device includes the telescopic link, takes out notes device and collection system, takes out notes device and includes taking out notes pipe and syringe, takes out the first end of notes pipe and the first end fixed connection of telescopic link, takes out the second end of notes pipe and is connected with the syringe, collection system including survey the piece and with survey the terminal of a communication connection, survey the first end fixed connection of piece and telescopic link. The visual water seal pumping and injecting device for the nuclear power plant is simple in structure and good in adaptability, can be used for visually adding water to water seals with different heights and different positions simply and reliably, and is controllable in process.

Drawings

In order to explain the technical solution of the present invention more clearly, the present invention will be further described with reference to the accompanying drawings and examples, it should be understood that the following drawings only show some examples of the present invention, and therefore should not be considered as limiting the scope, for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort. In the drawings:

fig. 1 is a schematic structural diagram of a visual water seal pumping and injecting device in a nuclear power plant according to some embodiments of the present invention;

fig. 2 is another angle schematic diagram of the visual water seal pumping and injecting device in the nuclear power plant according to some embodiments of the present invention;

fig. 3 is a schematic structural view of an end of the visual water seal pumping and injecting device in the nuclear power plant according to some embodiments of the present invention;

figure 4 is a schematic view of a clamp according to some embodiments of the present invention;

fig. 5 is a schematic structural diagram of a terminal in some embodiments of the invention;

fig. 6 is a schematic diagram of a syringe in some embodiments of the invention.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "upper", "lower", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", and the like are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present technical solution, and do not indicate that the device or element referred to must have a specific direction, and thus, should not be construed as limiting the present invention.

It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Please refer to fig. 1 to 6, which are the present invention in some embodiments, the visual water seal pumping and injecting device for nuclear power plant includes a telescopic rod 1, a pumping and injecting device 2 and an acquisition device 3, the pumping and injecting device 2 includes a pumping and injecting pipe 21 and an injector 22, the first end of the pumping and injecting pipe 21 is fixedly connected to the first end of the telescopic rod 1, the second end of the pumping and injecting pipe 21 is connected to the injector 22, the acquisition device 3 includes a detecting piece 31 and a terminal 32 communicatively connected to the detecting piece 31, and the detecting piece 31 is fixedly connected to the first end of the telescopic rod 1. The visual water seal pumping and injecting device for the nuclear power plant is simple in structure, good in adaptability, capable of simply and reliably carrying out visual water adding on water seals with different heights and different positions, and controllable in process.

In some embodiments, the telescopic rod 1 has a hollow inner cavity, the pumping tube 21 is disposed through the hollow inner cavity, the collecting device 3 includes a collecting wire 33, the collecting wire 33 is disposed through the hollow inner cavity, and a first end of the collecting wire 33 is fixedly connected to a first end of the telescopic rod 1. It can be understood that the telescopic rod 1 is a cylindrical hollow structure for providing a space for accommodating the pumping tube 21 and the collection line 33 and protecting the pumping tube 21 and the collection line 33. Preferably, the pumping pipe 21 is made of polyethylene, which has light weight, chemical stability, no corrosion, good impact resistance, good transparency and abrasion resistance, and good insulation, and in other embodiments, the pumping pipe 21 may also be made of PVC, PU, or other transparent and flexible materials, which are not limited herein. Still preferably, the collecting wire 33 is made of a TPE material, which is environmentally friendly, easy to process, has good weather resistance and temperature resistance, good elasticity and toughness, and is waterproof and insulating, and in other embodiments, the collecting wire 33 may also be made of a PVC material, a woven material, or other materials, which are not limited herein.

In some embodiments, the first end of the telescopic rod 1 is provided with a clamp 11, the first end of the suction and injection tube 21 is fixed on the clamp 11, and the first end of the collection wire 33 is fixed on the clamp 11. Preferably, the length of the extension of the pumping tube 21 relative to the fixture 11 is greater than the length of the extension of the collection wire 33 relative to the fixture 11, so that the pumping tube 21 can be pumped and filled with water more conveniently.

Referring to fig. 4, the fixture 11 further includes a main body 111, the main body 111 is provided with a first slot 1111 for the first end of the pumping tube 21 to be clamped, and a second slot 1112 for the first end of the collecting wire 33 to be clamped. It is understood that the first slot 1111 and the second slot 1112 are both substantially circular hollow structures, the first slot 1111 is interference fit with the first end of the pumping tube 21, and the second slot 1112 is interference fit with the first end of the collection wire 33. The first slot 1111 and the second slot 1112 form a circular hollow structure with a predetermined gap to form a deformation space, and when the drawing lines or collecting lines 33 with different sizes are clamped on the clamping apparatus 11, the first slot 1111 and the second slot 1112 can be properly deformed, so that the clamping apparatus 11 can clamp the drawing lines or collecting lines 33 with different wire diameter specifications.

In some embodiments, the detecting member 31 may have two structures, and the first structure of the detecting member 31 is a camera for capturing an actual picture of the position of the water seal.

The second configuration of the probe 31 is an endoscope, which is used for illumination and video capture.

In some embodiments, the terminal 32 is a hand-held display. The handheld display instrument can display the real-time condition of the water seal position, and can directly judge whether the water seal position is lack of water or not. Further, the probe 31 can be wired to the terminal 32, and in other embodiments, the probe 31 can also be wirelessly communicatively coupled to the terminal 32, which simplifies assembly requirements. Of course, the terminal 32 may also be a smart phone, a smart tablet, or the like, which may be selected according to the requirement, and only the requirement of displaying the collected graphics is met.

In some embodiments, the extension pole 1 comprises a plurality of poles connected together by hinges 12. It will be appreciated that the extension pole 1 may in some embodiments comprise a first sleeve 13, a second sleeve 14 and a third sleeve 15, the first sleeve 13 being sleeved on the second sleeve 14 by a hinge 12, the second sleeve 14 being sleeved on the third sleeve 15 by another hinge 12. In other embodiments, the number of the sleeves may be selected according to actual conditions, and is not limited specifically herein. Further, the first sleeve 13, the second sleeve 14 and the third sleeve 15 may be cylindrical hollow structures, and in other embodiments, the first sleeve 13, the second sleeve 14 and the third sleeve 15 may be square hollow structures or other types of structures. Wherein the outer diameter of the first sleeve 13 is smaller than the inner diameter of the second sleeve 14, and the outer diameter of the second sleeve 14 is smaller than the inner diameter of the third sleeve 15.

Preferably, the hinge 12 is used for connecting the first sleeve 13 and the second sleeve 14, and the second sleeve 14 and the third sleeve 15, and a fastener for fixing the first sleeve 13 and the second sleeve 14 is arranged on the hinge 12, so that the length of the telescopic rod 1 can be adjusted by loosening the fastener of the hinge 12, and the fastener of the hinge 12 is tightened to ensure that the length of the telescopic rod 1 is fixed. When in use, the telescopic rod 1 is adjusted to a proper length through the two hinges 12. The setting of this hinge 12 also makes telescopic link 1 can be to on-the-spot different height, different positions, and it is flexible that pump and annotate pipe 21 and collection line 33 can pass through this hinge 12, accomplishes to adapt to various scenes.

Further, in some embodiments, one end of the first sleeve 13 may be provided with a first external thread, and one end of the second sleeve 14 sleeved with the first sleeve 13 may be provided with a first internal thread, and the first sleeve 13 is screwed with the second sleeve 14. The end of the second sleeve 14 far away from the end provided with the first internal thread can be provided with a first external thread, the end of the third sleeve 15 sleeved with the second sleeve 14 can be provided with a second internal thread, and the second sleeve 14 is in threaded connection with the third sleeve 15. The threaded connection can enable the operation to be more convenient, and the length of the telescopic rod 1 can be adjusted at any time according to actual conditions. When the first sleeve 13 and the second sleeve 14 are adjusted to a predetermined position, they can be locked and fixed by a fastener provided on the hinge 12.

It can be understood that, this first sleeve pipe 13, second sleeve pipe 14 and third sleeve pipe 15 also can not be equipped with the screw thread, and this first sleeve pipe 13, second sleeve pipe 14 and third sleeve pipe 15 all can be equipped with a plurality of spacing grooves along its axial, and the fastener on this hinge 12 can be the elasticity plunger of activity grafting in the spacing groove for this first sleeve pipe 13 and second sleeve pipe 14 can block in preset position, and the spacing groove is difficult for deviating from to the elasticity plunger, has guaranteed the reliability of location. In other embodiments, the first sleeve 13 and the second sleeve 14 can be fixed in a predetermined position directly by means of fasteners provided on the hinge 12.

Preferably, the joint of the first sleeve 13 and the second sleeve 14 and the joint of the second sleeve 14 and the third sleeve 15 are provided with a limiting member and an elastic ring. It will be appreciated that the stop member serves to prevent the first sleeve 13 or the second sleeve 14 from being removed. The limiting member may be a flange of the second sleeve 14 or the third sleeve 15, and the limiting member may also be a plastic member fixedly connected to the second sleeve 14 or the third sleeve 15. Preferably, the elastic ring is of a circular structure, the size of the supporting force of the telescopic rod 1 can be adjusted by adjusting the thickness of the elastic ring, and the requirements on the telescopic rod 1 under more different conditions can be met.

In some embodiments, the telescopic rod 1 is a metal rod. It can be understood that the telescopic rod 1 can be made of metal with high durability and high strength, and preferably, the telescopic rod 1 can be made of stainless steel, which has good corrosion resistance, heat resistance and high temperature resistance, high mechanical strength and long service life. Of course, the telescopic rod 1 may also be made of other materials, and is not limited herein.

Referring to fig. 6, in some embodiments, the injector 22 is provided with a scale 221, the numerical value of the scale 221 is gradually increased from the lower end of the injector 22 to the upper end of the injector 22, and the scale 221 is convenient for an operator to calculate the water adding amount according to the liquid level scale 221 before and after the water is added to the syringe 222.

Further, the syringe 22 may include a barrel 222, a plunger 223 and a needle 224 in some embodiments, wherein the barrel 222 is a transparent cylinder with a hollow structure for allowing an operator to observe the height of the liquid level. The plunger 223 is sleeved on the syringe 222, and is movably connected with the syringe 222 for adding water to the water seal position or extracting excessive water from the water seal position. The needle 224 is used to connect the syringe 222 and the suction tube 21, and preferably, the needle 224 and the syringe 222 can form an integral structure, so as to effectively reduce the cost, meet the requirement of simplifying the assembly, and make the integral structure more firm and reliable. Furthermore, the integrated structure can be used as a universal standard component, so that various related component types can be effectively reduced, and the universality is improved. In other embodiments, the needle 224 is removably coupled to the barrel 222 and can be easily replaced, replacing the corresponding needle 224 with a different gauge of pump line. Further, a conical sealing ring may be provided in the cylinder 222, and it is understood that one end of the cylinder 222 is in contact with the conical sealing ring to form a seal, so that air in the cylinder 222 may be directly drawn through the plunger 223, thereby making it easier to add water or pump water. In other embodiments, a vacuum extractor may be provided and connected to the withdrawal line for extracting water.

Understandably, the visual water seal pumping and injecting device for the nuclear power plant has the following advantages:

1. visualization: for the places where the water seal is not easy to judge whether the water is deficient or not, the judgment can be intuitively carried out;

2. the telescopic structure is as follows: aiming at different heights and positions on site, the pumping and injecting pipe 21 and the collecting line 33 can be stretched through two hinges 12, so that the device can adapt to various scenes;

3. the water adding amount can be calculated as follows: the water adding amount can be calculated according to the liquid level scales 221 before and after the injector 22 adds water;

4. can suck: suction recovery with syringe 22 may also be performed for excess water in partially inaccessible locations.

It should be understood that the above examples only represent the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (10)

1. A visual water seal pumping and injecting device for a nuclear power plant is characterized by comprising a telescopic rod (1), a pumping and injecting device (2) and a collecting device (3);

the pumping and injecting device (2) comprises a pumping and injecting pipe (21) and an injector (22), wherein the first end of the pumping and injecting pipe (21) is fixedly connected with the first end of the telescopic rod (1), and the second end of the pumping and injecting pipe (21) is connected with the injector (22);

the acquisition device (3) comprises a detection piece (31) and a terminal (32) in communication connection with the detection piece (31), and the detection piece (31) is fixedly connected with the first end of the telescopic rod (1).

2. The nuclear power plant visualization water seal pumping and injecting device according to claim 1, wherein the telescopic rod (1) is provided with a hollow inner cavity, and the pumping and injecting pipe (21) is arranged in the hollow inner cavity in a penetrating manner;

the collecting device (3) comprises a collecting line (33), the collecting line (33) penetrates through the hollow inner cavity, and the first end of the collecting line (33) is fixedly connected with the first end of the telescopic rod (1).

3. The visual water seal pumping and injecting device for nuclear power plant according to claim 2, characterized in that a clamp (11) is arranged at the first end of the telescopic rod (1), the first end of the pumping and injecting pipe (21) is fixed on the clamp (11), and the first end of the collecting line (33) is fixed on the clamp (11).

4. The visual water seal pumping device of nuclear power plant according to claim 3, characterized in that the fixture (11) includes a main body (111), and the main body (111) is provided with a first clamping groove (1111) for clamping the first end of the pumping pipe (21) and a second clamping groove (1112) for clamping the first end of the collection line (33).

5. The visual water seal pumping device of nuclear power plant according to any one of claims 1 to 4, characterized in that the detector (31) is a camera.

6. The visual water seal pumping device of nuclear power plant according to any one of claims 1 to 4, characterized in that the probe (31) is an endoscope.

7. The visual water seal pumping device of nuclear power plant according to any one of claims 1 to 4, characterized in that the telescopic rod (1) comprises a plurality of rods connected together by hinges (12).

8. The visual water seal pumping and injecting device of nuclear power plant according to claim 6, characterized in that the telescopic rod (1) is a metal rod.

9. The visual water seal pumping device of nuclear power plant according to claim 1, characterized in that the injector (22) is provided with a scale (221).

10. The visual water seal pumping installation of nuclear power plant according to any one of claims 1 to 4, characterized in that the terminal (32) is a hand-held display.

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