CN110030432B - Pipe part device for fast reactor sodium valve - Google Patents

Pipe part device for fast reactor sodium valve Download PDF

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Publication number
CN110030432B
CN110030432B CN201910260744.XA CN201910260744A CN110030432B CN 110030432 B CN110030432 B CN 110030432B CN 201910260744 A CN201910260744 A CN 201910260744A CN 110030432 B CN110030432 B CN 110030432B
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China
Prior art keywords
layer
clamping
fixing
heat insulation
fast reactor
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CN110030432A (en
Inventor
肖常志
杨红义
余华金
侯斌
吴水金
路远
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China Institute of Atomic of Energy
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China Institute of Atomic of Energy
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/08Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
    • F16L3/10Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
    • F16L3/1008Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing with two members engaging the pipe, cable or tubing, both being made of thin band material completely surrounding the pipe
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/02Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/021Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves
    • F16L59/024Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves composed of two half sleeves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/12Arrangements for supporting insulation from the wall or body insulated, e.g. by means of spacers between pipe and heat-insulating material; Arrangements specially adapted for supporting insulated bodies
    • F16L59/135Hangers or supports specially adapted for insulated pipes

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Insulation (AREA)
  • Clamps And Clips (AREA)

Abstract

The invention provides a pipe part device for a fast reactor sodium valve, which comprises a clamping layer, a heat insulation layer, a fixing layer, a high-temperature pipeline, a connecting piece, a mounting piece, a fixing piece and an elastic device, wherein the high-temperature pipeline is positioned in the clamping layer, the clamping layer is positioned in the fixing layer, the heat insulation layer is positioned between the clamping layer and the fixing layer, and the elastic device is positioned between the clamping layer and the fixing layer. This device adopts the centre gripping layer, insulating layer and fixed bed complex mode, the centre gripping layer is used for carrying out the centre gripping to high temperature tube, the fixed bed is used for fixing high temperature tube, the insulating layer is located between centre gripping layer and the fixed bed, reduce the heat transfer outside the high temperature pipeline, under the condition of guaranteeing to the high temperature pipeline is reliably fixed, reduce the influence of high temperature to the pipe end device, be provided with resilient means between centre gripping layer and fixed bed, an intensity for reinforcing the insulating layer, compensate high temperature tube high temperature expansion's size, avoid high temperature tube to bear radial cross-section's shearing force, influence high temperature tube's life.

Description

Pipe part device for fast reactor sodium valve
Technical Field
The invention belongs to the structural design of a fixing device, and particularly relates to a pipe part device for a fast reactor sodium valve.
Background
The pipeline is a pipeline for transmitting working fluid or gas, is a reasonably arranged pipeline system, and comprises a certain pipeline, a valve and a detection device to ensure the rapid and safe transmission of the working fluid or gas, in the existing pipeline installation, the pipeline is often supported and installed to ensure the realization of the pipeline function, in a nuclear fast reactor sodium pipeline, the filling material of the pipeline is liquid sodium, the temperature of the liquid sodium is higher, 250-550 ℃, the temperature change of the sodium pipeline is larger when the sodium pipeline is in a cold state and a hot state, the thermal deformation of the pipeline is larger, extra load is easy to generate, sodium is chemically active alkali metal, air can be rapidly oxidized when the sodium pipeline meets air, water can be violently combusted when the sodium pipeline in any form does not allow trace leakage, therefore, the fixed installation of the sodium pipeline becomes stricter, and the protection of the pipeline heat insulation performance is emphasized in the existing high-temperature pipeline installation, the patent CN206386623U discloses a heat insulation pipe clamp for a high-temperature pipeline, which comprises a suspender and an annular pipe clamp arranged at the lower end of the suspender, wherein the inner side of the pipe clamp is coated with a heat insulation layer, the inner side of the heat insulation layer is coated with an inner heat insulation layer, the heat insulation layer is made of aluminum silicate heat insulation cotton, the outer side of the pipe clamp is coated with an outer heat insulation layer, and the outer heat insulation layer is made of ceramic fiber heat insulation cotton; this thermal-insulated pipe clamp adopts annular pipe clamp, insulating layer and heat preservation complex mode to fix the pipeline, because insulating layer and heat preservation are flexible material, it can't be fixed completely to the pipeline, when the pipeline bears external load, the pipeline takes place the displacement easily, leads to the sodium pipeline to break and reveals, seriously influences the safe and stable operation of the pipeline safety of nuclear power fast reactor sodium valve and whole equipment.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a pipe part device for a fast reactor sodium valve, which can protect the heat insulation performance of a pipeline, can completely fix the pipeline, and ensures the pipeline safety of the fast reactor sodium valve and the operation stability of the whole device.
The technical scheme of the invention is as follows: the utility model provides a pipe portion device for fast reactor sodium valve, includes centre gripping layer, insulating layer, fixed bed, high temperature pipeline, connecting piece, installed part and mounting, high temperature pipeline is located inside the centre gripping layer, the centre gripping layer is located inside the fixed bed, the insulating layer is located between centre gripping layer and the fixed bed, fixed connection can be dismantled through the connecting piece to centre gripping layer, insulating layer and fixed bed, fixed bed passes through the installed part and can dismantle fixed connection with the mounting.
Further, the pipe part device for the fast reactor sodium valve is as described above, wherein the clamping layer comprises a left clamping end and a right clamping end which are symmetrically arranged; the heat insulation layer comprises a left heat insulation end and a right heat insulation end which are symmetrically arranged; the fixed layer comprises a left fixed end and a right fixed end which are symmetrically arranged; the connecting piece passes left stiff end, left side in proper order and separates hot junction, left exposed core, right stiff end and lock nut fixed connection for carry out the centre gripping to high temperature tube, the installed part passes left stiff end, mounting, right stiff end and lock nut fixed connection in proper order, is used for carrying out fixed connection to pipe portion device.
Further, the pipe part device of the fast reactor sodium valve is characterized in that the distance between the left clamping end and the right clamping end is 5-10mm, so that the left clamping end and the right clamping end clamp the high-temperature pipeline.
Further, as above, the pipe portion device for the fast reactor sodium valve, wherein, the length of left stiff end, right stiff end is greater than the length of left centre gripping end, right centre gripping end, left stiff end, right stiff end stretch out the part and the mounting of left centre gripping end, right centre gripping end pass through installed part, lock nut fixed connection.
Further, as mentioned above, the pipe device for the fast reactor sodium valve, wherein the left clamping end, the right clamping end, the left heat isolating end, the right heat isolating end, the left fixed end and the right fixed end are all omega-shaped structures, and the arc degree of the arc-shaped part of the omega-shaped structure is less than 180 °.
Further, the pipe part device for the fast reactor sodium valve is characterized in that the distance between the left clamping end and the right clamping end is larger than the width of the fixing part.
Further, as mentioned above, the pipe device for the fast reactor sodium valve, wherein the inner surfaces of the left clamping end and the right clamping end are provided with a plurality of first grooves, the outer surfaces of the left clamping end and the right clamping end are provided with a plurality of second grooves, and the first grooves and the second grooves are arranged at intervals.
Further, the pipe device for the fast reactor sodium valve further comprises an elastic device, wherein the elastic device is located between the clamping layer and the fixing layer, one end of the elastic device is located in the second groove, and the other end of the elastic device abuts against the inner surface of the fixing layer.
Further, the pipe device for the fast reactor sodium valve is as described above, wherein the elastic devices are multiple and vertically arranged along the outer surface of the clamping layer, and the elastic devices are springs or disc springs.
Further, the pipe part device for the fast reactor sodium valve is characterized in that the heat insulation layer comprises a shaped hole, and the elastic device penetrates through the shaped hole to reinforce the strength of the heat insulation layer.
The invention has the following beneficial effects:
1. this device adopts the clamping layer, insulating layer and fixed bed complex mode, clamping layer and pipeline direct contact, a centre gripping to the pipeline, the fixed bed is used for fixing whole pipe end device, the insulating layer is located between clamping layer and the fixed bed, reduce the external heat transfer of pipeline, the clamping layer, fixed connection can be dismantled through the connecting piece to insulating layer and fixed bed, avoid welding a gallows spare part on high temperature pipeline, under the condition of guaranteeing the reliable centre gripping of high temperature pipeline, the heat transfer of high temperature pipeline has been reduced, the influence of high temperature to the pipe end device has been reduced, the life of pipe end device has been improved.
2. This device is provided with resilient means between clamping layer and fixed bed, resilient means passes the insulating layer, an intensity for reinforcing the insulating layer, when the high temperature tube way thermal expansion, the resilient means shrink compensaties high temperature tube way high temperature expansion's size, avoid the high temperature tube way to bear radial cross-section's shearing force, influence the life of high temperature tube way, when the high temperature tube way cooling shrink, resilient means resets, promote the clamping layer and keep away from the fixed bed, thereby make the clamping layer press from both sides tight high temperature tube way all the time, keep suitable tight dynamics of clamp to high temperature tube way, guarantee the reliability of high temperature tube way centre gripping, prolong the life of high temperature tube way.
3. The inner surface of the clamping layer is provided with the first groove, so that the contact area between the inner surface of the clamping layer and the high-temperature pipeline is reduced, the heat transfer from the high-temperature pipeline to the pipe end device is reduced, and the strength of the clamping layer is kept.
4. This device passes through the installed part at the tip on fixed layer and can dismantle with the mounting and be connected, realizes the fixed to the pipe end device, easy operation, convenient to use to the installed part constitutes dual being connected with the connecting piece, has guaranteed the reliability of connecting.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a left clamping end according to an embodiment of the present invention;
FIG. 3 is a schematic side view of a left insulating end of an embodiment of the present invention;
FIG. 4 is a schematic diagram of a side view of the left fixing end of the embodiment of the present invention;
in the figure: 1. clamping layer, 11, left exposed core, 111, first recess, 112, second recess, 113, clamping layer mounting hole, 12, right exposed core, 2, insulating layer, 21, left insulating end, 211, insulating layer mounting hole, 212, type hole, 22, right insulating end, 3, fixed layer, 31, left stiff end, 311, fixed layer mounting hole, 312, fixed layer fixed orifices, 32, right stiff end, 4, high temperature tube way, 5, connecting piece, 6, installed part, 7, fixed part, 8, resilient means.
Detailed Description
The invention is described in further detail below with reference to specific embodiments and with reference to the following drawings.
As shown in fig. 1-4, the present invention schematically shows a pipe section device applied to a fast reactor sodium valve.
The invention relates to a pipe part device applied to a fast reactor sodium valve, as shown in figure 1, the pipe part device applied to the fast reactor sodium valve comprises a clamping layer 1, a heat insulation layer 2, a fixed layer 3, a high-temperature pipeline 4, a connecting piece 5, a mounting piece 6, a fixing piece 7 and an elastic device 8, wherein the high-temperature pipeline 4 is positioned in the clamping layer 1 and directly contacted with the clamping layer 1, the clamping layer 1 is positioned in the fixed layer 3, the heat insulation layer 2 is positioned between the clamping layer 1 and the fixed layer 3, the clamping layer 1, the heat insulation layer 2 and the fixed layer 3 are detachably and fixedly connected through the connecting piece 5, the fixing piece 7 is positioned in the fixed layer 3, the fixing piece 7 is detachably connected with the fixed layer 3 through the mounting piece 6, and the elastic device 8 is positioned between the clamping layer 1 and the fixed layer 3 and; the clamping layer 1, the heat insulation layer 2 and the fixing layer 3 are mutually matched, the clamping layer 1 is in direct contact with the high-temperature pipeline 4 and is used for clamping the high-temperature pipeline 4, the high-temperature pipeline 4 is prevented from sliding relative to the pipe device, the clamping reliability of the high-temperature pipeline 4 is guaranteed, the fixing layer 3 is connected with the fixing piece 7 and is used for fixing the whole pipe end device, the heat insulation layer 2 is positioned between the clamping layer 1 and the fixing layer 3, the heat transfer between the clamping layer 1 and the fixing layer 3 is reduced, the outward heat transfer of the high-temperature pipeline 4 is reduced under the condition that the high-temperature pipeline 4 is guaranteed to be reliably fixed, the influence of high temperature on the pipe end device is reduced, the clamping layer 1, the heat insulation layer 2 and the fixing layer 3 are connected and fixed into a whole through the connecting piece 5, the clamping layer 1, the heat insulation layer 2 and the fixing layer 3 are prevented from moving between the clamping, a reveal that is used for fixing whole pipe portion device, connecting piece 5 and 6 cooperations of installed part form dual being connected to fixed bed 3, have guaranteed the stability of connecting to guarantee the reliability and the stability that high temperature tube says 4 is fixed, take place the displacement when avoiding the pipeline to bear external load and lead to the sodium pipeline, guarantee the safety and stability operation of sodium pipeline and equipment.
The clamping layer 1 comprises a left clamping end 11 and a right clamping end 12, the left clamping end 11 and the right clamping end 12 are identical in structure and are symmetrically arranged, the left clamping end 11 is in an omega shape, the arc degree of an arc of the omega shape is less than 180 degrees, the inner surface of the arc is matched with the outer surface of the high-temperature pipeline 4 and is used for clamping the high-temperature pipeline 4, the left clamping end 11 comprises a first groove 111 and a second groove 112, as shown in fig. 2, the first grooves 111 are located on the inner surface of the arc, the first grooves 111 are arranged at intervals, the contact area between the arc and the high-temperature pipeline 4 is reduced by the first grooves 111, heat transfer from the high-temperature pipeline 4 to the clamping layer 1 is reduced, the strength of the arc is increased, and the reliability of the clamping layer 1 for clamping the high-temperature pipeline; the second groove 112 is positioned on the outer surface of the circular arc, and the second groove 112 and the first groove 111 are arranged at intervals; the both ends of left clamping end 11 are provided with the centre gripping layer mounting hole 113 that runs through upper and lower surface, centre gripping layer mounting hole 113 and the cooperation of connecting piece 5, connecting piece 5 passes centre gripping layer mounting hole 113 and is connected left clamping end 11 and right clamping end 12, the circular arc internal surface of left clamping end 11 and right clamping end 12 combines, realize centre gripping layer 1 to the centre gripping of high temperature tube way 4, the distance between left clamping end 11 and the right clamping end 12 is 5-10mm, preferred 5mm, thereby guarantee the reliability of centre gripping layer 1 to the centre gripping of high temperature tube way 4.
The outside of centre gripping layer 1 is provided with insulating layer 2, insulating layer 2 includes left thermal-insulated end 21 and right thermal-insulated end 22, left thermal-insulated end 21 is the same with right thermal-insulated end 22 structure, symmetrical arrangement, left thermal-insulated end 21 is located between left centre gripping end 11 and the fixed bed 3, right thermal-insulated end 22 is located between right centre gripping end 12 and the fixed bed 3, left thermal-insulated end 21 is high density high strength insulation material, its structure is omega type, omega type and left centre gripping end 11, fixed bed 3 structural phase-match, as shown in fig. 3, left thermal-insulated end 21's both ends tip is provided with insulating layer mounting hole 211, the axis of insulating layer mounting hole 211 and the axial direction parallel of centre gripping layer mounting hole 113, thereby guarantee that insulating layer 2 is connected through connecting piece 5 with centre gripping layer 1.
The fixed layer 3 is arranged outside the heat insulation layer 2, the fixed layer 3 comprises a left fixed end 31 and a right fixed end 32, the left fixed end 31 and the right fixed end 32 are identical in structure and are symmetrically arranged, the left fixed end 31 is located outside the left heat insulation end 21, the right fixed end 32 is located outside the right heat insulation end 22, the left fixed end 31 is of an omega-shaped structure, the omega-shaped structure is matched with the arc shape of the heat insulation layer 2, as shown in fig. 4, the length of the omega-shaped structure of the left fixed end 31 is longer, the left fixed end 11 extends out of the left clamping end, the part, close to the arc shape, of the left fixed end 31 is provided with a fixed layer mounting hole 311, the fixed layer mounting hole 311 penetrates through the front surface and the rear surface of the left fixed end 31, the position of the fixed layer mounting hole 311 is matched with the heat insulation layer mounting hole 211 and the clamping layer mounting hole 113, the axis of the, The left heat insulation end 21, the left clamping end 11, the right clamping end 12, the right heat insulation end 22 and the right fixing end 32 connect the fixing layer 3, the heat insulation layer 2 and the clamping layer 1, so that the high-temperature pipeline 4 is clamped and insulated, the influence of high temperature on a pipe end device is avoided, and the reliability of fixing the pipe end device is ensured; a fixing layer fixing hole 312 is formed in the end portion of the left fixing end 31, the fixing layer fixing hole 312 penetrates through the left end face and the right end face of the left fixing end 31, and the mounting piece 6 penetrates through the fixing layer fixing hole 312 to connect the left fixing end 31 and the right fixing end 32 together to form a mounting position of the pipe end device; mounting part 6 is axle type part, couple together left stiff end 31 and right stiff end 32 through axial positioning, 6 one end of mounting part is provided with the location boss, the other end is provided with the external screw thread, left stiff end 31 is passed in proper order to the one end that mounting part 6 was equipped with the external screw thread, mounting 7 and right stiff end 32 and lock nut cooperation, thereby with left stiff end 31, mounting 7 and the fixed 32 axial position of right stiff end are fixed, mounting 7 is located between left stiff end 31 and the right stiff end 32, mounting 7 is dull and stereotyped class part, the thickness of panel is less than the distance between left stiff end 31 and the right stiff end 32, be provided with the mounting hole on mounting 7, mounting part 6 passes left stiff end 31 in proper order, mounting 7 and right stiff end 32, thereby couple together mounting 7 and fixed layer 3, the connection stationarity.
An elastic device 8 is arranged between the clamping layer 1 and the fixing layer 3, one end of the elastic device 8 is abutted to the outer surface of the clamping layer 1, the other end of the elastic device 8 is abutted to the inner surface of the fixing layer 3, when the high-temperature pipeline 4 expands under heating, the clamping layer 1 is pushed to move towards the fixing layer 3, the elastic device 8 contracts under the action of the clamping layer 1 and the fixing layer 3, the size of the high-temperature expansion of the high-temperature pipeline 4 is compensated, the high-temperature pipeline 4 is prevented from bearing the shearing force of a radial section, the service life of the high-temperature pipeline 4 is prevented from being influenced, when the high-temperature pipeline 4 contracts under cooling, the elastic device 8 resets, the clamping layer 1 is pushed to be away from the fixing layer 3, so that the clamping layer 1 can clamp the high-temperature pipeline 4 all the; the elastic devices 8 are a plurality of and are arranged along the outer surface of the clamping layer 1; as another embodiment of this embodiment, the elastic device 8 is a disc spring, and one end of the spring close to the clamping layer 1 is located in the second groove 112, so as to position the spring and prevent the spring from being positioned inaccurately and falling off; be provided with type hole 212 on insulating layer 2, type hole 212 is located and is located the circular arc part, and the position and the resilient means 8 position phase-match of type hole 212, the size of type hole 212 and resilient means 8's appearance phase-match, and resilient means 8 passes type hole 212 and supports two surfaces at clamping layer 1 and fixed bed 3, carries out the additional strengthening to insulating layer 2 intensity, avoids insulating layer 2 to bear the atress that external force compression influences clamping layer 1 to the influence adds the holding power to high temperature tube 4.
The installation method comprises the following steps:
the left heat insulation end 21 and the left clamping end 11 are combined together, the elastic device 8 is installed in a second groove 112 of the left clamping end 11, the left fixing end 31 is installed outside the left heat insulation end 21 to complete installation of the left half part, the right half part is installed in the same method, the left half part and the right half part are respectively buckled on the left side and the right side of the high-temperature pipeline 4, then the connecting piece 5 penetrates through the left half part and the right half part in sequence and is fastened through the locking nut to ensure that the left half part and the right half part are parallel to each other, then the installing piece 6 penetrates through the left fixing end 31, the fixing piece 7 and the right fixing end 32 in sequence, and therefore the fixing piece 7 is connected with the fixing layer 3, and installation of the pipe end.
The device adopts a mode that a clamping layer 1, a heat insulation layer 2 and a fixed layer 3 are matched, the clamping layer 1 is in direct contact with a high-temperature pipeline 4 and is used for clamping the high-temperature pipeline 4, the fixed layer 3 is used for fixing the high-temperature pipeline 4, the heat insulation layer 2 is positioned between the clamping layer 1 and the fixed layer 3 and is used for reducing the heat transfer of the high-temperature pipeline 4 to the outside, under the condition of ensuring the reliable fixation of the high-temperature pipeline 4, the influence of high temperature on a pipe end device is reduced, an elastic device 8 is arranged between the clamping layer 1 and the fixed layer 3, the elastic device 8 penetrates through the heat insulation layer 2 and is used for enhancing the strength of the heat insulation layer 2, when the high-temperature pipeline 4 is heated and expanded, the clamping layer 1 is pushed to move towards the direction of the fixed layer 3, the elastic device 8 shrinks to compensate the size of the high-temperature expansion of the high, when the high-temperature pipeline 4 is cooled and contracted, the elastic device 8 resets to push the clamping layer 1 to be far away from the fixed layer 3, so that the clamping layer 1 always clamps the high-temperature pipeline 4, proper clamping force is kept for the high-temperature pipeline 4, the clamping reliability of the high-temperature pipeline 4 is ensured, and the first groove 111 is formed on the inner surface of the clamping layer 1, so that the contact area between the inner surface of the clamping layer 1 and the high-temperature pipeline 4 is reduced, the heat transfer is reduced, and the strength of the clamping layer 1 is kept; simultaneously, the end part of the fixing layer 3 is provided with the mounting part 6 to be connected with the fixing part 7, the connection is more convenient, the mounting part 6 and the connecting part 5 form double connection, the connection reliability of the mounting part 6 is ensured, the operation is simple, and the use is convenient.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (9)

1. The utility model provides a tub of device of portion for fast reactor sodium valve which characterized in that: the heat insulation device comprises a clamping layer (1), a heat insulation layer (2), a fixing layer (3), a high-temperature pipeline (4), a connecting piece (5), an installation piece (6) and a fixing piece (7), wherein the high-temperature pipeline (4) is positioned inside the clamping layer (1), the clamping layer (1) is positioned inside the fixing layer (3), the heat insulation layer (2) is positioned between the clamping layer (1) and the fixing layer (3), the clamping layer (1), the heat insulation layer (2) and the fixing layer (3) are detachably and fixedly connected through the connecting piece (5), and the fixing layer (3) is detachably and fixedly connected with the fixing piece (7) through the installation piece (6);
the clamping layer (1) comprises a left clamping end (11) and a right clamping end (12) which are symmetrically arranged; the heat insulation layer (2) comprises a left heat insulation end (21) and a right heat insulation end (22) which are symmetrically arranged; the fixed layer (3) comprises a left fixed end (31) and a right fixed end (32) which are symmetrically arranged; connecting piece (5) pass left stiff end (31), a left side in proper order and separate hot end (21), left exposed core (11), right exposed core (12), right side in proper order and the lock nut fixed connection who corresponds for carry out the centre gripping to high temperature tube (4), installed part (6) pass left stiff end (31), mounting (7), right exposed core (32) and the lock nut fixed connection who corresponds in proper order, be used for carrying out fixed connection to the pipe portion device.
2. The pipe section apparatus for a fast reactor sodium valve as claimed in claim 1, wherein: the distance between the left clamping end (11) and the right clamping end (12) is 5-10mm, so that the left clamping end (11) and the right clamping end (12) clamp the high-temperature pipeline (4).
3. The pipe section apparatus for a fast reactor sodium valve as claimed in claim 1, wherein: the length of left side stiff end (31), right side stiff end (32) is greater than the length of left side exposed core (11), right side exposed core (12), left side stiff end (31), right side stiff end (32) stretch out the part and mounting (7) of left side exposed core (11), right side exposed core (12) pass through installed part (6), lock nut fixed connection.
4. The pipe section apparatus for a fast reactor sodium valve as claimed in claim 1, wherein: the left clamping end (11), the right clamping end (12), the left heat insulation end (21), the right heat insulation end (22), the left fixing end (31) and the right fixing end (32) are all in omega-shaped structures, and the arc degree of the arc-shaped part of each omega-shaped structure is smaller than 180 degrees.
5. The pipe section apparatus for a fast reactor sodium valve as claimed in claim 1, wherein: the distance between the left clamping end (11) and the right clamping end (12) is larger than the width of the fixing piece (7).
6. The pipe section apparatus for a fast reactor sodium valve as claimed in claim 2, wherein: the inner surfaces of the left clamping end (11) and the right clamping end (12) are provided with a plurality of first grooves (111), the outer surfaces of the left clamping end (11) and the right clamping end (12) are provided with a plurality of second grooves (112), and the first grooves (111) and the second grooves (112) are arranged at intervals.
7. The pipe section apparatus for a fast reactor sodium valve as claimed in claim 6, wherein: still include resilient means (8), resilient means (8) are located between centre gripping layer (1) and fixed layer (3), resilient means (8) one end is located in second recess (112), and the other end top is tightly at the internal surface of fixed layer (3).
8. The pipe section apparatus for a fast reactor sodium valve as claimed in claim 7, wherein: the elastic devices (8) are arranged vertically along the outer surface of the clamping layer (1) and are springs or disc springs.
9. The pipe section apparatus for a fast reactor sodium valve as claimed in claim 8, wherein: the heat insulation layer (2) comprises a hole (212), and the elastic device (8) penetrates through the hole (212) to reinforce the strength of the heat insulation layer (2).
CN201910260744.XA 2019-04-02 2019-04-02 Pipe part device for fast reactor sodium valve Active CN110030432B (en)

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CN2564829Y (en) * 2002-08-21 2003-08-06 石建峰 Clip type heat (cold) insulation pipe bracket
CN203516998U (en) * 2013-07-25 2014-04-02 常州市武进武南管道设备有限公司 Pipe clamp type suspender suspension frame
CN206072534U (en) * 2016-10-12 2017-04-05 常州市武进武南管道设备有限公司 Antistatic is every cold conduit saddle
CN207673960U (en) * 2017-12-29 2018-07-31 青岛永通工程建设有限公司 A kind of ventilation pipe mounting structure of municipal works
KR101948596B1 (en) * 2018-05-31 2019-02-15 임건태 Seismic restraint of gas piping

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5631590A (en) * 1979-08-17 1981-03-30 Tokyo Shibaura Electric Co Pipe suppotrting device
CN2564829Y (en) * 2002-08-21 2003-08-06 石建峰 Clip type heat (cold) insulation pipe bracket
CN203516998U (en) * 2013-07-25 2014-04-02 常州市武进武南管道设备有限公司 Pipe clamp type suspender suspension frame
CN206072534U (en) * 2016-10-12 2017-04-05 常州市武进武南管道设备有限公司 Antistatic is every cold conduit saddle
CN207673960U (en) * 2017-12-29 2018-07-31 青岛永通工程建设有限公司 A kind of ventilation pipe mounting structure of municipal works
KR101948596B1 (en) * 2018-05-31 2019-02-15 임건태 Seismic restraint of gas piping

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