CN105673951B - A kind of laying apparatu of sodium channel - Google Patents
A kind of laying apparatu of sodium channel Download PDFInfo
- Publication number
- CN105673951B CN105673951B CN201610040674.3A CN201610040674A CN105673951B CN 105673951 B CN105673951 B CN 105673951B CN 201610040674 A CN201610040674 A CN 201610040674A CN 105673951 B CN105673951 B CN 105673951B
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- CN
- China
- Prior art keywords
- limiting
- roller
- guide groove
- fixing device
- sodium channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/0243—Laying or reclaiming pipes on land, e.g. above the ground above ground
- F16L1/0246—Laying or reclaiming pipes on land, e.g. above the ground above ground at a certain height off the ground
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
- F16L53/34—Heating of pipes or pipe systems using electric, magnetic or electromagnetic fields, e.g. using induction, dielectric or microwave heating
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of Resistance Heating (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention discloses a kind of laying apparatu for being used for sodium channel electrical heating elements and thermocouple through walls in sodium-cooled fast reactor, including guide rod, limiting and fixing device, limiting and fixing device is fixed by guide rod, limiting and fixing device is exterior buckle type structure, including framework and position-limiting unit, position-limiting unit is mainly by pedestal, spring, roller bearing, roller, guide groove, C-shaped ring forms, pedestal is fixed on framework, C-shaped ring is fixed on the inside of guide groove, roller and guide groove are Elastic Contact, spring makes the distance between pedestal and roller bearing movable within the specific limits, roller can freely roll on guide groove along guide direction, roller is connected on pedestal by roller bearing.The present invention provides the parts such as a kind of achievable electrical heating elements, thermocouple and is evenly arranged along sodium channel is through walls, whole reliable contacts, the laying apparatu of convenient disassembly.
Description
Technical field
It is more particularly to a kind of to add for sodium channel electricity through walls in sodium-cooled fast reactor the invention belongs to reactor engineering technical field
The laying apparatu of thermal element and thermocouple.
Background technology
Existing sodium-cooled fast reactor sodium channel through walls is limited by civil engineering condition, and operating space is extremely narrow, can not carry out electricity
The laying installation work of heating element heater and thermocouple, but sodium channel through walls can cause the section if electrical heating elements are not installed
Pipe temperature is relatively low or even causes the blocking of sodium loop.Prior art employs Fig. 1 shown devices and method to sodium channel through walls
Heated and thermometric, the device by stainless steel thin slice by pipeline outer wall size rolls circlewise, then by electrical heating elements in ring
It is fastened on the outside of piece, thermocouple for measuring temperature is fixed in ring plate in the lump, finally ring plate by electrical heating elements, thermocouple and together
Stretched into along pipeline and laying is completed inside wall.The device can improve asking for sodium channel electrical heating power deficiency through walls to a certain extent
Topic, but many deficiencies also be present：
1. to ensure that stainless steel ring plate can be stretched into smoothly in wall, it is necessary to leave sky between stainless steel ring plate and tube wall
Gap, after installation, it is contact to be affected by gravity between ring plate and tube wall only top, and the efficiency of heating surface is low.
2. the electrical heating elements of wall inside pipeline lay for winding, the electrical heating elements of wall outer side pipeline apply to be straight
If two sections of electrical heating elements are independent of one another, heating uniformity is affected；Two sets of control loops need to be set to control interior outside respectively
The heating of pipeline, adds system scale and equipment investment cost.
The content of the invention
(1) goal of the invention
Instant invention overcomes the deficiencies in the prior art, there is provided the part such as a kind of achievable electrical heating elements, thermocouple is along sodium
Pipeline through-wall is evenly arranged, whole reliable contacts, the laying apparatu of convenient disassembly.
(2) technical scheme
In order to solve the problems of prior art, technical scheme provided by the invention is as follows：
A kind of laying apparatu of sodium channel includes guide rod, limiting and fixing device, and limiting and fixing device is consolidated by guide rod
It is fixed, it is critical that limiting and fixing device is exterior buckle type structure, including framework and position-limiting unit, position-limiting unit is mainly by pedestal, bullet
Spring, roller bearing, roller, guide groove, C-shaped ring composition, pedestal are fixed on framework, and C-shaped ring is fixed on the inside of guide groove, and roller is with leading
Be Elastic Contact to groove, spring makes the distance between pedestal and roller bearing movable within the specific limits, roller can on guide groove edge
Guide direction is freely rolled, and roller is connected on pedestal by roller bearing.
Further, exterior buckle type limiting and fixing device as described above uses hollow hinge for the framework of two semicircular structures
The mode of chain links together, and is fixed by bolt.
Further, C-shaped ring as described above is fixed on guide groove by spot welding.
Further, C-shaped ring length as described above is 10mm-20mm.
Further, one C-shaped ring is set every 100mm-200mm on the inside of guide groove as described above.
(3) beneficial effect
The present invention is compact-sized, installation and removal are simple, greatly facilitates the laying to electrical heating elements or thermocouple
And replacing.The present apparatus makes electrical heating elements and thermocouple close with pipeline fitting, realizes wall internal pipeline electrical heating elements
With the reliable laying of thermocouple, the heating efficiency of electrical heating elements can be played completely, reflects tube wall temperature true and reliablely, prevents
The generation of pipeline cold spot, avoids sodium channel from blocking, and ensures the stable operation of sodium loop.Outside electrical heating elements need not divide in wall
From outside is consistent in pipeline heating power, preferably ensure that the uniformity of heating, and electricity can be added using a set of control loop
Thermal element is controlled, and reduces the quantity of control loop so that economy is also improved.
Brief description of the drawings
The existing sodium channel electrical heating elements laying apparatu schematic diagrames through walls of Fig. 1
The structural representation of Fig. 2 laying apparatus
The structural side view of Fig. 3 laying apparatus
Fig. 4 position-limiting unit structural representations
Fig. 5 guide grooves and C-shaped ring and electrical heating elements installation diagram
1 guide rod, 2 frameworks, 3 bolts, 4 position-limiting units, 5 pedestals, 6 springs, 7 roller bearings, 8 rollers, 9 guide grooves, 10C types
Ring, 11 electrical heating elements or thermocouple
Embodiment
Below in conjunction with specification drawings and specific embodiments, the present invention is further elaborated.
A kind of laying apparatu of sodium channel, as shown in Figure 2,3, the device include guide rod 1, limiting and fixing device, wherein
Limiting and fixing device is exterior buckle type structure, is connected and composed by the framework 2 of two semicircular structures by the way of hollow hinge, and
Position is carried out by guide rod 1 to fix.The framework 2 of two semicircular structures is fixedly connected by bolt 3, solid on framework 2
Surely position-limiting unit 4 is connected, the structural representation of position-limiting unit 4 is illustrated in figure 4, mainly by pedestal 5, spring 6, roller bearing 7, roller
8th, guide groove 9, C-shaped ring 10 are formed, and wherein C-shaped ring 10 is fixed on guide groove 9 by spot welding, and guide groove 9 is rigid metal, C
The length of type ring 10 is 10mm-20mm, and the inner side of guide groove 9 sets a C-shaped ring 10 every 100mm-200mm, as shown in Figure 5；Rolling
Wheel 8 is Elastic Contact with guide groove 9, and spring 6 makes the distance between pedestal 5 and roller bearing 7 movable within the specific limits, spring 6
Elastic force is calculated according to the distance of sodium channel and laying apparatu, ensures moderate pressure so that device can be along guide rod 1 axially
Translation and can radially has enough pressure in pipeline to electrical heating elements or thermocouple 11, so as to ensure electrical heating elements or thermoelectricity
Idol 11 and tube wall whole process reliable contacts；Roller 8 can freely be rolled on guide groove 9 along guide direction, and roller 8 is connected by roller bearing 7
It is connected on 5 on pedestal.
Limiting and fixing device can need to set multiple position-limiting units 4, the C-shaped ring of position-limiting unit 4 according to heating or thermometric
Electrical heating elements or thermocouple 11 can be installed, the position-limiting unit 4 for electrical heating elements 11 need to be along the cambered surface of framework 2 uniformly in 10
Distribution, for the position-limiting unit 4 of thermocouple 11, then positioned at the centre of any two groups position-limiting units 4 for being used for electrical heating elements 11
Position.The outside of guide groove 9 sets a limiting and fixing device every 200mm -300mm.The main body of guide groove 9 is rigid metal, institute
There is its material of part to be respectively provided with preferable radiation hardness and resistance to elevated temperatures.
The application method of the present apparatus is as follows：
1. the electrical heating elements that need to be stretched into wall or thermocouple 11 are arranged in C-shaped ring 10, electrical heating must be ensured
The 11 straight placement of element or thermocouple, as shown in Figure 5；Electrical heating elements or thermocouple 11, C-shaped ring 10 can be placed in C-shaped ring 10
Electrical heating elements or thermocouple 11 can be played with constraint and fixation so that electrical heating elements or thermocouple 11 are inside wall
It can axially retain straight along pipeline；
2. being directed to groove 9 and electrical heating elements or thermocouple 11 axially being stretched into wall along pipeline together, ensure it as far as possible
Parallel with pipeline, the particular location of installation can carry out mark on pipeline in advance, be led for fixing the multigroup of electrical heating elements 11
It must be evenly arranged on tube wall to groove 9, the single group guide groove 9 for fixing thermocouple 11 is located at two adjacent groups electrical heating elements
The centre position of 11 guide grooves 9.After installation, guide groove 9 is fixed in wall outer side part with metal clip；
3. limiting and fixing device is buckled on fixed guide groove 9, ensure position-limiting unit 4 with guide groove 9 as shown in Figure 4
Reliable contacts, bolt 3 is screwed, guide rod 1 inserts hinge hollow part；
4. by limiting and fixing device and guide rod 1, along pipeline, axially push-in wall inner side, first group of limiting and fixing device push away
Enter bosom, follow-up limiting and fixing device is pushed into outer position successively, and adjacent limiting and fixing device spacing is in 200mm -300mm
Between, it is both needed to hinge hollow part inserting guide rod 1 before all limiting and fixing device push-in walls, ensures that institute's limited location is fixed
The installation site of device is consistent and can reduce the frictional resistance of push-in wall process.
Obviously, the above embodiments are to preferably explain the present invention, rather than protect model to the claims in the present invention
The limitation enclosed, if those skilled in the art is made according to the design of the present invention using description of the invention and accompanying drawing content
Equivalent structure transformation, fall within the claimed scope of the present invention.
Claims (6)
1. a kind of laying apparatu of sodium channel, including guide rod, limiting and fixing device, limiting and fixing device are consolidated by guide rod
It is fixed, it is characterised in that limiting and fixing device is exterior buckle type structure, is mainly made up of framework and position-limiting unit, position-limiting unit is main
It is made up of pedestal, spring, roller bearing, roller, guide groove, C-shaped ring, pedestal is fixed on framework, and C-shaped ring is fixed in guide groove
Side, roller and guide groove are Elastic Contact, and roller freely rolls on guide groove along guide direction, and spring is located at pedestal and roller bearing
Between, roller is connected on pedestal by roller bearing.
2. the laying apparatu of a kind of sodium channel according to claim 1, it is characterised in that described limiting and fixing device is
The framework of two semicircular structures is linked together by the way of hollow hinge.
3. the laying apparatu of a kind of sodium channel according to claim 1, it is characterised in that described limiting and fixing device leads to
Bolt is crossed to be fixed.
4. the laying apparatu of a kind of sodium channel according to claim 1, it is characterised in that described C-shaped ring passes through spot welding
It is fixed on guide groove.
5. the laying apparatu of a kind of sodium channel according to claim 1, it is characterised in that described C-shaped ring length is
10mm-20mm。
A kind of 6. laying apparatu of sodium channel according to claim 1, it is characterised in that on the inside of described guide groove every
100mm-200mm sets a C-shaped ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610040674.3A CN105673951B (en) | 2016-01-21 | 2016-01-21 | A kind of laying apparatu of sodium channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610040674.3A CN105673951B (en) | 2016-01-21 | 2016-01-21 | A kind of laying apparatu of sodium channel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105673951A CN105673951A (en) | 2016-06-15 |
| CN105673951B true CN105673951B (en) | 2018-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610040674.3A Active CN105673951B (en) | 2016-01-21 | 2016-01-21 | A kind of laying apparatu of sodium channel |
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| CN (1) | CN105673951B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799683A (en) * | 2018-06-06 | 2018-11-13 | 苏州耀水源环境科技有限公司 | A kind of environmental protection equipment pipeline symmetrical expression heating device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106287096A (en) * | 2016-10-13 | 2017-01-04 | 广汉市思科信达科技有限公司 | Pipeline adds heat wax preventing device |
| CN106352190A (en) * | 2016-10-13 | 2017-01-25 | 广汉市思科信达科技有限公司 | Pipeline paraffin control part |
| CN106321019A (en) * | 2016-10-13 | 2017-01-11 | 广汉市思科信达科技有限公司 | Heating paraffin-control ring |
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|---|---|---|---|---|
| US5331676A (en) * | 1993-12-06 | 1994-07-19 | Westinghouse Electric Corp. | Calibration fixture for induction furnace |
| CN201129591Y (en) * | 2007-12-11 | 2008-10-08 | 中国原子能科学研究院 | Sodium cold fast stacking pipeline structure |
| CN201902757U (en) * | 2010-12-27 | 2011-07-20 | 重庆金鸿电气工程有限公司 | Fast reactor sodium loop pipe heating device |
| US8640997B1 (en) * | 2010-09-28 | 2014-02-04 | Robert Caskey | Sensor harness clamp for continuous casting sensors |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE525808C2 (en) * | 2002-10-30 | 2005-05-03 | Westinghouse Atom Ab | Process, use and device for nuclear fuel casing and a fuel cartridge for a nuclear pressurized water reactor |
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2016
- 2016-01-21 CN CN201610040674.3A patent/CN105673951B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5331676A (en) * | 1993-12-06 | 1994-07-19 | Westinghouse Electric Corp. | Calibration fixture for induction furnace |
| CN201129591Y (en) * | 2007-12-11 | 2008-10-08 | 中国原子能科学研究院 | Sodium cold fast stacking pipeline structure |
| US8640997B1 (en) * | 2010-09-28 | 2014-02-04 | Robert Caskey | Sensor harness clamp for continuous casting sensors |
| CN201902757U (en) * | 2010-12-27 | 2011-07-20 | 重庆金鸿电气工程有限公司 | Fast reactor sodium loop pipe heating device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799683A (en) * | 2018-06-06 | 2018-11-13 | 苏州耀水源环境科技有限公司 | A kind of environmental protection equipment pipeline symmetrical expression heating device |
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| Publication number | Publication date |
|---|---|
| CN105673951A (en) | 2016-06-15 |
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