CN217219984U - Nuclear power plant foam tank capsule supporting device - Google Patents

Nuclear power plant foam tank capsule supporting device Download PDF

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Publication number
CN217219984U
CN217219984U CN202220979855.3U CN202220979855U CN217219984U CN 217219984 U CN217219984 U CN 217219984U CN 202220979855 U CN202220979855 U CN 202220979855U CN 217219984 U CN217219984 U CN 217219984U
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China
Prior art keywords
pipe
longitudinal
foam
connecting piece
tank body
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Active
Application number
CN202220979855.3U
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Chinese (zh)
Inventor
张晓磊
刘佳冰
冉小林
杜洪浪
翟传光
冯建华
安泽宇
段游
汪兴业
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China General Nuclear Power Corp
CGN Power Co Ltd
Yangjiang Nuclear Power Co Ltd
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China General Nuclear Power Corp
CGN Power Co Ltd
Yangjiang Nuclear Power Co Ltd
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Application filed by China General Nuclear Power Corp, CGN Power Co Ltd, Yangjiang Nuclear Power Co Ltd filed Critical China General Nuclear Power Corp
Priority to CN202220979855.3U priority Critical patent/CN217219984U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

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Abstract

The utility model discloses a nuclear power plant foam tank capsule supporting device, which is used for leading a capsule in a foam tank to be tightly attached to the inner wall of a tank body, and comprises a longitudinal pipe longitudinally arranged in the tank body, two transverse pipes respectively and transversely connected with side flanges on two sides of the tank body, and a connecting piece which detachably connects the longitudinal pipe with the two transverse pipes; through holes for enabling foam liquid to flow are formed in the outer walls of the longitudinal pipes and the outer walls of the two transverse pipes; the longitudinal pipe is communicated with a liquid inlet flange at the top of the tank body and a liquid outlet flange at the bottom of the tank body to form a foam liquid discharge channel; the utility model discloses a strutting arrangement can fix a support capsule, and when replenishing the foam liquid after foam liquid discharges or the evacuation, the capsule can in time accurately reset to paste tight jar body, realize violently managing, the connection of dismantling of vertical pipe through setting up the connecting piece, but the whole strutting arrangement of quick assembly disassembly, and simple structure, easily operation realize the quick replacement capsule, shorten the repair time, save a large amount of human costs, time cost.

Description

Nuclear power plant foam tank capsule supporting device
Technical Field
The utility model relates to a nuclear power plant's auxiliary instrument field especially relates to a foam tank capsule strutting arrangement of nuclear power plant.
Background
Diesel foam fire extinguishing systems (JPV) are distributed in emergency diesel workshops, mainly used for providing fire extinguishing protection measures for generators and oil tanks, and AFFF water film-forming foam spraying is adopted. The maintenance work of the horizontal foam tank of the diesel engine foam fire extinguishing system (JPV), the foam tank is made up of inner tank (rubber capsule) and a carbon steel made outer tank made of flexible material, the rated working pressure of the foam tank is 1.2Mpa, the foam concentrate is stored in the rubber capsule, utilize the water intake pressure between carbon steel tank and the foam tank to extrude the foam concentrate to the proportioner, mainly used for putting out the diesel generator apparatus and storing the possible fire that the oil apparatus is located in the factory building; the diesel engine foam fire extinguishing system (JPV) horizontal tank internal support device is arranged in a foam tank capsule and can prevent the foam tank capsule from being replaced. Due to space limitation, if the supporting device needs to be pulled out, all connecting pipelines and anchor bolts of the tank body need to be dismantled, the tank body can be pulled out after inclined displacement, the supporting device is of an integral structure, an internal pipeline can not be segmented, the maintenance problem is not considered, the tank body cannot be dismantled, meanwhile, on-site dismantling is achieved because the number of the connecting pipelines of the foam tank is large, the space of an installation room is limited, the pipeline is required to be dismantled and the tank body is required to be moved for capsule replacement, the construction period is long, the risk is high, and the fire fighting is not available for a long time.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to prior art's defect, provide a foam tank capsule strutting arrangement of nuclear power plant, but quick assembly disassembly, and simple structure, easily operation realize the quick replacement capsule, shorten repair time, save a large amount of human costs, time cost.
The utility model provides a technical scheme that its technical problem adopted is: a capsule supporting device for a foam tank of a nuclear power plant is used for enabling a capsule in the foam tank to be tightly attached to the inner wall of a tank body and comprises a longitudinal pipe longitudinally arranged in the tank body, two transverse pipes respectively and transversely connected to flanges on the two side surfaces of the tank body, and a connecting piece detachably connecting the longitudinal pipe and the two transverse pipes;
through holes for enabling the foam liquid to flow are formed in the outer walls of the longitudinal pipes and the outer walls of the two transverse pipes;
the longitudinal pipe is communicated with a liquid inlet flange at the top of the tank body and a liquid outlet flange at the bottom of the tank body to form a foam liquid discharge channel.
Further, it is preferable that the longitudinal pipes and the transverse pipes are communicated with each other through a connecting member so that the foamed liquid enters the longitudinal pipes from the transverse pipes.
Further, it is preferable that the plurality of through holes are regularly arranged, or the plurality of through holes are irregularly arranged.
Further, preferably, the longitudinal pipe and the connecting piece are in plug-in sealing, or the longitudinal pipe and the connecting piece are in clearance fit.
Further, preferably, a sealing ring is arranged at the joint of the longitudinal pipe and the connecting piece.
Preferably, the number of the longitudinal pipes is one, the longitudinal pipes are inserted into the connecting pieces, and through holes are formed in the insertion positions of the longitudinal pipes and the connecting pieces, so that the foam liquid can enter the longitudinal pipes from the transverse pipes.
Preferably, the number of the longitudinal pipes is two, one longitudinal pipe is connected to a liquid inlet flange at the top of the tank body, the other longitudinal pipe is connected to a liquid outlet flange at the bottom of the tank body, and the two longitudinal pipes are mutually communicated through a connecting piece so that foam liquid enters the longitudinal pipes from the transverse pipes.
Preferably, the connecting piece is a four-way pipe, the longitudinal pipe is inserted into two pipe orifices which are longitudinally arranged in the four-way pipe, and the two transverse pipes are detachably connected with the pipe orifices which are transversely arranged in the four-way pipe respectively.
Further, the transverse pipe is preferably connected with the pipe orifice transversely arranged on the connecting piece in at least one of a screw joint, a pin joint, an insertion joint and a tight fit mode.
Further, preferably, the transverse pipe comprises a perforated pipe provided with a through hole, a positioning sleeve sleeved at one end of the perforated pipe, and a sleeve pipe pin for connecting the positioning sleeve with the perforated pipe;
the positioning sleeve is connected with a flange on the side surface of the tank body, the positioning sleeve can rotate around the sleeve pipe pin to be positioned and fixed on the porous pipe, and the other end of the porous pipe is connected in the connecting piece.
The utility model discloses following beneficial effect has: the utility model provides a pair of foam tank capsule strutting arrangement of nuclear power plant can fix and support the capsule, and when replenishing the foam liquid after foam liquid discharges or the evacuation, the capsule can in time accurately reset to paste tight jar body, realize violently managing, the connection of dismantling of vertical pipe through setting up the connecting piece, but the whole strutting arrangement of quick assembly disassembly, and simple structure, easily operation realize the quick replacement capsule, shorten repair time, save a large amount of human costs, time cost.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic structural view of a first embodiment of the supporting device of the present invention;
fig. 2 is a schematic structural view of a first embodiment of the support device of the present invention applied to a foam tank;
fig. 3 is a schematic structural view of a second embodiment of the supporting device of the present invention;
fig. 4 is a schematic structural view of a second embodiment of the supporting device of the present invention applied to a foam tank.
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.
An element is said to be "secured to" or "disposed on" another element, either directly or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
The terms "upper," "lower," "left," "right," "front," "back," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to an orientation or position based on the orientation or position shown in the drawings.
The terms "axial" and "radial" refer to the length of the entire device or component as "axial" and the direction perpendicular to the axial direction as "radial".
The terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
The above terms are for convenience of description only and are not to be construed as limiting the present technical solution.
Example 1, as shown in fig. 1 to 4, a capsule supporting device for a foam tank of a nuclear power plant, which is used for making a capsule in the foam tank 10 tightly attached to the inner wall of a tank body, is used for supporting a foam liquid capsule and enabling the foam liquid to smoothly fill and discharge the tank body, and comprises a longitudinal pipe 1 longitudinally arranged in the tank body, two transverse pipes 2 respectively transversely connected to side flanges 20 at two sides of the tank body, and a connecting piece 3 for detachably connecting the longitudinal pipe 1 with the two transverse pipes 2; the outer walls of the longitudinal pipe 1 and the two transverse pipes 2 are respectively provided with a through hole 4 for enabling the foam liquid to flow; the longitudinal pipe 1 is communicated with a liquid inlet flange 30 at the top of the tank body and a liquid outlet flange 40 at the bottom of the tank body to form a foam liquid discharge channel, namely foam liquid is discharged from the longitudinal pipe 1 through the liquid outlet flange 40, the longitudinal pipe 1 is fixedly installed with the liquid inlet flange 30 through the liquid outlet flange 40, and the length of the longitudinal pipe 1 is matched with the tank body structure of the foam tank 10; the transverse pipe 2, the longitudinal pipe 1 and the connecting piece 3 are made of PVC materials, so that the foam liquid environment can be well adapted, the service life of the PVC materials is long, and the replacement times are reduced; the utility model discloses a strutting arrangement fixable support capsule, when replenishing the foam liquid after foam liquid discharges or the evacuation, the capsule can in time accurately reset to paste tight jar body, realize violently managing 2, the connection of dismantling of vertical pipe 1 through setting up connecting piece 3, but the whole strutting arrangement of quick assembly disassembly, simple structure, easily operation reduce the dismouting degree of difficulty, dismouting work load by a wide margin, realize the quick replacement capsule, shortened the maintenance time limit for a project, saved a large amount of human costs, time cost.
The longitudinal pipe 1 and the transverse pipe 2 are mutually communicated through the connecting piece 3, so that the foam liquid can enter the longitudinal pipe 1 from the transverse pipe 2, the speed of the foam liquid in the transverse pipe 2 flowing to the longitudinal pipe 1 can be accelerated, and the foam liquid is finally discharged from the longitudinal pipe 1 because the longitudinal pipe 1 is connected with the liquid outlet flange 40, so that the discharge speed of the foam liquid in the transverse pipe 2 is accelerated.
The number and diameter of the through holes 4 can be increased or decreased according to the container of the foam tank 10, so that the foam liquid can flow in the foam tank 10 after passing through the through holes 4, the through holes 4 can be regularly arranged, or the through holes 4 are irregularly arranged, for example, the diameters of the through holes 4 on the longitudinal pipe 1 near the liquid inlet flange 30, the liquid outlet flange 40 and the connection part 3 are larger than the diameters of the through holes 4 on other positions on the longitudinal pipe 1, and/or the through holes 4 on the longitudinal pipe 1 near the liquid inlet flange 30, the liquid outlet flange 40 and the connection part 3 are more densely arranged than other positions on the longitudinal pipe 1, because the liquid inlet flange 30 is a liquid inlet, the liquid outlet flange 40 is a foam liquid outlet, and the connection part 3 is a convergence part of the transverse pipe 2 and the longitudinal pipe 1, the through holes 4 at the positions are set to have larger diameters and more densely arranged so as to accelerate the liquid entering speed into the tank body, The flow rate of the foam liquid in the transverse pipe 2 and the longitudinal pipe 1 is increased, and the discharge speed of the foam liquid is increased; meanwhile, the diameter of the through hole 4 close to the longitudinal pipe 1 on the transverse pipe 2 is larger than the diameter of the through holes 4 at other positions of the transverse pipe 2, and/or the through holes 4 close to the longitudinal pipe 1 on the transverse pipe 2 are distributed more densely than the through holes 4 at other positions of the transverse pipe 2, so that the design is to accelerate the flow rate of the foam liquid in the transverse pipe 2 and the longitudinal pipe 1 and accelerate the flow speed of the foam liquid in the tank body.
Furthermore, the connection mode of the longitudinal pipe 1 and the connecting piece 3 has various implementation modes, the longitudinal pipe 1 and the connecting piece 3 can be in plug-in sealing, the longitudinal pipe 1 is inserted into the connecting piece 3, a sealing ring (not shown) is arranged at the connection position of the longitudinal pipe 1 and the connecting piece 3, and the longitudinal pipe 1 and the connecting piece 3 are connected more tightly due to the arrangement of the sealing ring; or the longitudinal pipe 1 and the connecting piece 3 are in clearance fit; the connection between the longitudinal tube 1 and the connecting piece 3 can realize the support of the capsule and the quick assembly and disassembly at the same time.
Furthermore, the connecting piece 3 is a four-way pipe, the longitudinal pipe 1 is inserted into two pipe orifices which are arranged in the longitudinal direction of the four-way pipe, and the two transverse pipes 2 are respectively detachably connected with the pipe orifices which are arranged in the transverse direction of the four-way pipe; the connecting mode of the transverse pipe 2 and the pipe orifice transversely arranged on the connecting piece 3 is at least one of screw joint, pin joint, insertion and close fit, so that the transverse pipe 2 and the longitudinal pipe 1 can be fixed and can be quickly disassembled and assembled; when violently managing 2 and connecting piece 3 four-way pipe for the spiro union, set up the mouth of pipe inner wall that the four-way pipe transversely set up and be helicitic texture, violently manage 2 one end and be connected with the mouth of pipe screw thread assorted screwed joint of four-way pipe, perhaps, violently manage 2 one end outer wall and be the mouth of pipe screw thread assorted screwed structure with the four-way pipe.
Further, the horizontal tube 2 comprises a perforated tube 21 provided with a through hole 4, a positioning sleeve 22 sleeved at one end of the perforated tube 21, and a sleeve tube pin (not shown) connecting the positioning sleeve 22 and the perforated tube 21; the positioning sleeve 22 is connected with the side flange 20 of the tank body, the positioning sleeve 22 is fixed by the side flange 20, the positioning sleeve 22 can rotate around a sleeve pipe pin to be fixed on the perforated pipe 21 in a positioning mode, the perforated pipe 21 is connected with the positioning sleeve 22 through the sleeve pipe pin, and therefore the positioning sleeve is convenient to install, automatic position finding is achieved, positioning and installation requirements are lowered, and the other end of the perforated pipe 21 is connected into the connecting piece 3.
In a specific embodiment, as shown in fig. 1-2, there is one longitudinal pipe 1, the longitudinal pipe 1 is inserted into the connecting member 3, and a through hole 4 is formed at the insertion position of the longitudinal pipe 1 and the connecting member 3, so that the foam liquid can enter the longitudinal pipe 1 from the transverse pipe 2, which means that the supporting device has one longitudinal pipe 1 and two transverse pipes 2, and the longitudinal pipe 1 and the two transverse pipes 2 are fixed in communication through the connecting member 3.
In another embodiment, as shown in fig. 3-4, the longitudinal pipes 1 are provided with two, one longitudinal pipe 1 is connected to the inlet flange 30 at the top of the tank body, and the other longitudinal pipe 1 is connected to the outlet flange 40 at the bottom of the tank body, which means that the support device has two longitudinal pipes 1 and two transverse pipes 2, and the two longitudinal pipes 1 and the two transverse pipes 2 are communicated with each other through the connecting piece 3 so that the foam liquid can enter the longitudinal pipes 1 from the transverse pipes 2.
The foam tank 10 capsule supporting device implements the following processes: the positioning sleeve 22 and the perforated pipe 21 in the transverse pipe 2 are fixed through sleeve pipe pins, the two transverse pipes 2 are connected with the connecting piece 3, the side flanges 20 on two sides of the tank body are installed, the two transverse pipes 2 are fixed, the longitudinal pipe 1 is inserted into the connecting piece 3, the upper liquid inlet flange 30 and the lower liquid outlet flange 40 are installed to fix the longitudinal pipe 1 through the flanges, the effect of fixing the foam tank 10 into a capsule is achieved, water enters the tank body, the capsule is extruded by water pressure, foam concentrate is extruded to form foam liquid, the foam liquid flows in the tank body through the transverse pipe 2 and the through hole 4 in the longitudinal pipe 1, a valve at the liquid outlet flange 40 is opened, the foam liquid is discharged through the liquid outlet flange 40 through the longitudinal pipe 1, and the capsule is timely and accurately reset and tightly attached to the tank body. During disassembly, the liquid inlet flange 30 is disassembled firstly, the longitudinal pipe 1 is drawn out from the connecting piece 3, one or two side flanges 20 are disassembled, one transverse pipe 2 is screwed out from the connecting piece 3, and finally the other transverse pipe 2 and the connecting piece 3 are integrally taken out, so that the purpose of step-by-step disassembly is achieved.

Claims (10)

1. A capsule supporting device for a foam tank of a nuclear power plant is used for enabling capsules in the foam tank (10) to be tightly attached to the inner wall of a tank body, and is characterized by comprising a longitudinal pipe (1) longitudinally arranged in the tank body, two transverse pipes (2) respectively and transversely connected to side flanges (20) on two sides of the tank body, and a connecting piece (3) for detachably connecting the longitudinal pipe (1) and the two transverse pipes (2);
through holes (4) for enabling foam liquid to flow are formed in the outer walls of the longitudinal pipe (1) and the two transverse pipes (2);
the longitudinal pipe (1) is communicated with a liquid inlet flange (30) at the top of the tank body and a liquid outlet flange (40) at the bottom of the tank body to form a foam liquid discharge channel.
2. The nuclear power plant foam tank capsule supporting device according to claim 1, characterized in that the longitudinal pipe (1) and the transverse pipe (2) are communicated with each other through a connecting piece (3) so that foam liquid enters the longitudinal pipe (1) from the transverse pipe (2).
3. The nuclear power plant foam tank capsule supporting device as claimed in claim 1, wherein the plurality of through holes (4) are regularly arranged, or the plurality of through holes (4) are irregularly arranged.
4. The nuclear power plant foam tank capsule supporting device as claimed in claim 1, wherein the longitudinal pipe (1) and the connecting piece (3) are in plug-in sealing, or the longitudinal pipe (1) and the connecting piece (3) are in clearance fit.
5. The nuclear power plant foam tank capsule supporting device as claimed in claim 1, characterized in that a sealing ring is arranged at the joint of the longitudinal pipe (1) and the connecting piece (3).
6. The nuclear power plant foam tank capsule supporting device is characterized in that one longitudinal pipe (1) is arranged, the longitudinal pipe (1) is inserted into a connecting piece (3), and a through hole (4) is formed in the insertion position of the longitudinal pipe (1) and the connecting piece (3) so that foam liquid can enter the longitudinal pipe (1) from a transverse pipe (2).
7. The nuclear power plant foam tank capsule supporting device is characterized in that two longitudinal pipes (1) are arranged, one longitudinal pipe (1) is connected to a liquid inlet flange (30) at the top of the tank body, the other longitudinal pipe (1) is connected to a liquid outlet flange (40) at the bottom of the tank body, and the two longitudinal pipes (1) are communicated with each other through a connecting piece (3) so that foam liquid enters the longitudinal pipes (1) from a transverse pipe (2).
8. The nuclear power plant foam tank capsule supporting device as claimed in claim 6, wherein the connecting piece (3) is a four-way pipe, the longitudinal pipe (1) is inserted into two pipe orifices which are longitudinally arranged in the four-way pipe, and the two transverse pipes (2) are respectively detachably connected with the pipe orifices which are transversely arranged in the four-way pipe.
9. The nuclear power plant foam tank capsule supporting device as claimed in claim 8, wherein the transverse pipe (2) is connected with the pipe opening transversely arranged on the connecting piece (3) in a mode of at least one of screwing, pin joint, insertion and tight fit.
10. The nuclear power plant foam tank capsule supporting device as claimed in claim 1, wherein the cross pipe (2) comprises a perforated pipe (21) provided with a through hole (4), a positioning sleeve (22) sleeved on one end of the perforated pipe (21), and a sleeve pipe pin connecting the positioning sleeve (22) and the perforated pipe (21);
the positioning sleeve (22) is connected with a side flange (20) of the tank body, the positioning sleeve (22) can rotate around the sleeve pin to be positioned and fixed on the porous pipe (21), and the other end of the porous pipe (21) is connected into the connecting piece (3).
CN202220979855.3U 2022-04-26 2022-04-26 Nuclear power plant foam tank capsule supporting device Active CN217219984U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220979855.3U CN217219984U (en) 2022-04-26 2022-04-26 Nuclear power plant foam tank capsule supporting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220979855.3U CN217219984U (en) 2022-04-26 2022-04-26 Nuclear power plant foam tank capsule supporting device

Publications (1)

Publication Number Publication Date
CN217219984U true CN217219984U (en) 2022-08-19

Family

ID=82821823

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220979855.3U Active CN217219984U (en) 2022-04-26 2022-04-26 Nuclear power plant foam tank capsule supporting device

Country Status (1)

Country Link
CN (1) CN217219984U (en)

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