CN109681724A - A kind of heat insulating block - Google Patents
A kind of heat insulating block Download PDFInfo
- Publication number
- CN109681724A CN109681724A CN201910021734.0A CN201910021734A CN109681724A CN 109681724 A CN109681724 A CN 109681724A CN 201910021734 A CN201910021734 A CN 201910021734A CN 109681724 A CN109681724 A CN 109681724A
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- China
- Prior art keywords
- incubation chamber
- sodium
- electric heating
- heating wire
- heat insulating
- 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.)
- Pending
Links
- 238000011534 incubation Methods 0.000 claims abstract description 87
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 65
- 239000011734 sodium Substances 0.000 claims abstract description 65
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 64
- 238000005485 electric heating Methods 0.000 claims abstract description 54
- 108010052164 Sodium Channels Proteins 0.000 claims abstract description 36
- 102000018674 Sodium Channels Human genes 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 230000008878 coupling Effects 0.000 claims abstract description 26
- 238000010168 coupling process Methods 0.000 claims abstract description 26
- 238000005859 coupling reaction Methods 0.000 claims abstract description 26
- 238000004321 preservation Methods 0.000 claims abstract description 22
- 239000012774 insulation material Substances 0.000 claims abstract description 6
- 238000009529 body temperature measurement Methods 0.000 claims description 16
- 229910001220 stainless steel Inorganic materials 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
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
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/021—Shape 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
-
- 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
- F16L53/35—Ohmic-resistance heating
- F16L53/38—Ohmic-resistance heating using elongate electric heating elements, e.g. wires or ribbons
-
- 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
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/028—Composition or method of fixing a thermally insulating material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
- F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Secondary Cells (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention belongs to reactors to relate to sodium heat preservation technology field, more particularly to a kind of heat insulating block, the heat preservation and heat tracing for relating to sodium channel (10) for sodium-cooled fast reactor, the incubation chamber (7) related on sodium channel (10) is attached to including removably splicing, thermal insulation material is filled inside the incubation chamber (7), incubation chamber inner wall (9) outer surface of the incubation chamber (7) is equipped with electric heating wire (4), the quick coupling (6) of the electric heating wire (4) is connected in the outer surface setting of the heat preservation outer box wall (8) of the incubation chamber (7), for providing power supply for the electric heating wire (4).The present invention realizes that fast reactor relates to sodium channel, the components such as electric heating wire, sodium leakage detection silk, thermocouple and insulation construction module is integrated in device systems, fast reactor high temperature sodium channel integration insulation construction modularized design may be implemented, installation and later maintenance activity can be simplified, cost is reduced, overall economic efficiency is improved.
Description
Technical field
The invention belongs to reactors to relate to sodium heat preservation technology field, and in particular to a kind of heat insulating block.
Background technique
Currently, in reactor thermal-insulating scheme, to the detachable heat-insulation of the heat power equipments such as container, pipeline, valve, flange progress
Measure, mostly uses greatly the incubation chamber package assembly for including different thermal insulation materials, and this insulation box structure is protected similar to overlapped
Warm module, by the block splicing of one piece of scene, to form the insulating layer shell of heat power equipment outer surface.But in sodium-cooled fast reactor
It relates in sodium system equipment, since coolant is sodium, for the specific physical chemical property of sodium, also needs setting auxiliary electrical heater system
With sodium leakage detection device, but detachable heat-insulation scheme cannot integrate above two functions at present, and in actual operation, by
In interfering with each other for the attached device such as heating wire and sodium leak detection module, lead to sodium leak detection module by signal reliability not
It is high.On the other hand, auxiliary electrical heater system and sodium leakage detection device need individually designed arrangement, are unable to satisfy the above-mentioned reality of user
Border needs.
Summary of the invention
Object of the present invention is to solve sodium-cooled fast reactor to relate to sodium channel, electric heating wire, sodium leakage detection silk, heat in device systems
The integration problem of the components such as galvanic couple and insulation construction module.Its modularized design can simplify installation and later maintenance is made
Industry reduces overall cost, improves overall economic efficiency.
To achieve the above objectives, the technical solution adopted by the present invention is that a kind of heat insulating block, relates to sodium pipe for sodium-cooled fast reactor
The heat preservation and heat tracing in road are attached to the incubation chamber related on sodium channel including removably splicing, fill out inside the incubation chamber
Fill thermal insulation material, wherein the incubation chamber inboard wall outer surface of the incubation chamber is equipped with electric heating wire, in the heat preservation of the incubation chamber
The outer surface setting of outer box wall connects the quick coupling of the electric heating wire, for providing power supply for the electric heating wire.
Further, outer surface dense distribution of the electric heating wire in the incubation chamber inner wall；The electric heating wire adds
Hot arc is fixed on the outer surface of the incubation chamber inner wall, the internal work of the electric heating wire by stainless steel metal paillon spot welding
Section point is welded in the inner surface of the incubation chamber inner wall；The both ends of the bringing-up section of the electric heating wire connect across the incubation chamber inner wall
The internal work section is connect, the bringing-up section of the electric heating wire selects twin-core armouring electric heating wire, the inside of the electric heating wire
The two poles of the earth of twin-core armouring electric heating wire are connected in the quick coupling by active section；The electric heating wire can be set by control cabinet
Operating temperature is set, highest can bear 800 DEG C of temperature environments.
Further, porous connector is selected in the quick coupling, and two of them jack connects the electric heating wire, as its confession
Electric jack；The jack that one jack is protected as ground wire needed for the entire heat insulating block；Along described in each incubation chamber
Two quick couplings are arranged in the axial alignment for relating to sodium channel, described fast in two pieces of incubation chambers that circumferential direction is correspondingly connected with
Quick coupling is arranged close to the same overlapping the slot；The cable of the same position of two quick coupling in each incubation chamber
Route is connected, convenient for the connection of external cabling.
Further, the heat insulating block has monolithic detachability, and does not influence other heat insulating blocks after its dismounting
Heat preservation and heat tracing.
Further, the incubation chamber is stainless steel material, using HALF shape, the heat preservation outer box wall of the incubation chamber
Outer surface quick hasp is set, the quick hasp is located at the edge interconnected of two adjacent incubation chambers.
Further, sodium leakage detection silk is additionally provided on the incubation chamber inboard wall outer surface of the incubation chamber；The incubation chamber
The outer surface of the incubation chamber inner wall is equipped with groove, and the sodium leakage detection silk is fixed on institute by stainless steel metal paillon spot welding
It states in groove, is not in contact with the electric heating wire；Two jacks in the quick coupling connect the sodium leakage detection
The two poles of the earth of silk, as it for electric jack；Sodium leakage detection silk, which also passes through external cable and connects external sodium leakage signal, to be connect
Device is received, realizes the transmission of sodium leakage signal.
Further, the sodium leakage detection silk is also fixed on the groove by spaced several ceramic support rings
It is interior.
Further, thermocouple is equipped in the incubation chamber, the thermocouple passes through positioning ring, nut, hollow bolt, the
One fastening nut is threaded through on the heat preservation outer box wall of the incubation chamber, and the thermocouple temperature measurement end of the thermocouple bottom end passes through described
Incubation chamber is simultaneously pierced by from the incubation chamber inner wall；Epistasis spring and weak property spring are equipped in the nut and the hollow bolt,
The thermocouple temperature measurement end is enabled to be tightly attached to described relate on sodium channel when sodium channel shakes in described relate to.
Further, the thermocouple 13 is armoured thermocouple.
Further, it is additionally provided with heat-conducting block on the thermocouple temperature measurement end, for increasing the thermocouple temperature measurement end and institute
State the contact area for relating to sodium channel.
The beneficial effects of the present invention are:
1. realizing fast reactor to relate to sodium channel, the components such as electric heating wire, sodium leakage detection silk, thermocouple and protect in device systems
Integrating for warm construction module, may be implemented fast reactor high temperature sodium channel integration insulation construction modularized design.
2. installation and later maintenance activity can be simplified, overall cost is reduced, improves overall economic efficiency.
Detailed description of the invention
Fig. 1 is the schematic diagram of electrical heat tracing block described in the specific embodiment of the invention；
Fig. 2 is the stereoscopic schematic diagram that electric heating wire described in the specific embodiment of the invention is installed in incubation chamber；
Fig. 3 is the floor map that electric heating wire described in the specific embodiment of the invention is installed in incubation chamber；
Fig. 4 is the schematic diagram of quick coupling described in the specific embodiment of the invention；
Fig. 5 is the schematic diagram of the detection heat insulating block of sodium leakage described in the specific embodiment of the invention；
Fig. 6 is the stereoscopic schematic diagram that sodium leakage silk is installed in incubation chamber described in the specific embodiment of the invention；
Fig. 7 is the floor map that sodium leakage silk is installed in incubation chamber described in the specific embodiment of the invention；
Fig. 8 is the cross-sectional view of the detection heat insulating block of sodium leakage described in the specific embodiment of the invention；
Fig. 9 is the schematic diagram of thermometric heat insulating block described in the specific embodiment of the invention；
Figure 10 is the oblique outer view of thermometric heat insulating block described in the specific embodiment of the invention；
Figure 11 is the schematic diagram of thermocouple described in the specific embodiment of the invention；
Figure 12 is that the circuit connection diagram of heat insulating block described in the specific embodiment of the invention (is arranged in horizontal pipe
On electrical heat tracing block and sodium leakage detect heat insulating block)；
In figure: the quick hasp of 1-, 2- sodium leakage detect silk, 3- thermocouple temperature measurement end, 4- electric heating wire, 5- incubation chamber side
Side fluting, 6- quick coupling, 7- incubation chamber, 8- keep the temperature outer box wall, 9- incubation chamber inner wall, and 10- relates to sodium channel, 11- solder joint, 12-
Stainless steel metal paillon, 13- thermocouple, 14- thermocouple cold junction, 15- nut, 16- epistasis spring, 17- positioning ring, the weak property of 18-
Spring, the first fastening nut of 19-, the first elastomeric pad of 20-, 21- hollow bolt, 22 1 heat-conducting blocks, 23- bolt, 24- second are tight
Gu nut, the second elastomeric pad of 25-, 26- cable connection storehouse.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
A kind of integrated electric heating provided by the invention, thermometric and sodium leakage detecting function heat insulating block, be used for sodium-cooled fast reactor
The heat preservation and heat tracing for relating to sodium channel 10, be specifically divided into electrical heat tracing block, sodium leakage detection heat insulating block, three kinds of thermometric heat insulating block
Type.
Electrical heat tracing block
As shown in Figure 1, Figure 2, Figure 3 shows, if electrical heat tracing block includes removably splicing to be attached to relate on sodium channel 10
Incubation chamber 7 is done, fills thermal insulation material inside incubation chamber 7, wherein two pieces or one ring of composition of muti-piece incubation chamber 7 of corresponding installation
The insulating layer of shape；9 outer surface of incubation chamber inner wall of incubation chamber 7 is equipped with electric heating wire 4, in the heat preservation outer box wall 8 of incubation chamber 7
The quick coupling 6 of outer surface setting connection electric heating wire 4 and sodium leakage detection silk 2, for providing power supply for electric heating wire 4.It protects
Warm box inner wall 9 refer to incubation chamber 7 close to the side for relating to sodium channel 10, keep the temperature outer box wall 8 refer to incubation chamber 7 far from relating to sodium pipe
The side in road 10.
Electric heating wire 4 is by twin-core armouring electric heating wire (i.e. the bringing-up section of electric heating wire 4), cold end connector and cold end power supply line
(i.e. the internal work section of electric heating wire 4) composition, and be connected on cold end power supply line with independent power supply connector；Electric heating
Silk 4 bringing-up section at a certain distance the outer surface dense distribution of incubation chamber inner wall 9 (can also because device requirement using other be laid with
Direction or form)；The bringing-up section of electric heating wire 4 is fixed on the appearance of incubation chamber inner wall 9 by 12 spot welding of stainless steel metal paillon
Face, internal work section are welded in the inner surface of incubation chamber inner wall 9 by nearby principle point；The both ends of the bringing-up section of electric heating wire 4 penetrate
To 9 inside of incubation chamber inner wall, it is connected with internal work section by cold end connector, the internal work section of electric heating wire 4 passes through cold end
The two poles of the earth of twin-core armouring electric heating wire are connected in quick coupling 6 by the power supply connector on power supply line, the arrangement side of electric heating wire 4
To depending on the length of the size of insulation caliber and incubation chamber 7；Operating temperature can be arranged by control cabinet in electric heating wire 4,
Highest can bear 800 DEG C of temperature environments.
As shown in figure 4, port connection box of the quick coupling 6 as electric heating wire 4, and the inside as entire heat insulating block connects
Line apparatus and external power supply route or the Wiring port for detecting route, including the second fastening nut 24, the second elastomeric pad 25, electricity
The components such as cable wiring bin 26；Quick coupling 6 is selected porous connector (such as 5 hole connectors), and two of them jack connects electric heating wire
4, as it for electric jack；The jack that an intermediate jack is protected as ground wire needed for entire heat insulating block；Due to incubation chamber 7
Using two HALF shapes, two quick couplings 6 are set along the axial alignment for relating to sodium channel 10 in each incubation chamber 7, circumferential direction is corresponding
Quick coupling 6 in two pieces of incubation chambers 7 of connection is arranged close to the same overlapping the slot；Two fast quick access in each incubation chamber 7
The cable run of first 6 same position is connected, convenient for the connection of external cabling.
Heat insulating block has monolithic detachability, and does not influence the heat preservation and heat tracing of other heat insulating blocks after its dismounting.
Incubation chamber 7 is stainless steel material, and using HALF shape, the outer surface setting of the heat preservation outer box wall 8 of incubation chamber 7 is quick
Hasp 1, quick hasp 1 are located at the edge interconnected of two adjacent incubation chambers 7.
Sodium leakage detects heat insulating block
As shown in Fig. 5, Fig. 6, Fig. 7, Fig. 8, on the basis of electrical heat tracing block, increases sodium leakage and detect silk 2, constitute sodium
Leak detection heat insulating block.Sodium leakage detects silk 2 when relating to the operation medium sodium in sodium channel 10 and revealing, and can find in time
Alarm.The outer surface that sodium leakage detects the incubation chamber inner wall 9 of the incubation chamber 7 of heat insulating block is equipped with groove, and sodium leakage detection silk 2 passes through
12 spot welding of stainless steel metal paillon is fixed in groove, so that sodium leakage detection silk 2 is not in contact with electric heating wire 4, is being protected
The outer surface of warm box inner wall 9 is also equipped at intervals with the fixation that several ceramic support rings help sodium leakage detection silk 2.Sodium leakage detects silk
2 internal work section includes cold end connector and cold end power supply line, is fixed on 9 inside of incubation chamber inner wall, remaining position is by former recently
Then point is welded in inside incubation chamber 7.The both ends of sodium leakage detection silk 2 are pierced by from the Stainless Steel Shell of incubation chamber 7 is connected to cold end
Connector is connected to independent power supply connector, for being connected to quick coupling 6 on cold end power supply line.Quick coupling 6 is also made
The port connection box of silk 2 is detected for sodium leakage, the two poles of the earth of two jacks connection sodium leakage detection silk 2 in quick coupling 6, as
It is for electric jack.Sodium leakage detection silk 2 also connects external sodium leakage signal receiver by external cable, realizes sodium leakage letter
Number transmission, for monitoring the leakage of sodium.
Thermometric heat insulating block
As shown in Fig. 9, Figure 10, Figure 11, on the basis of electrical heat tracing block, increase thermocouple 13, constitutes thermometric heat preservation
Block.Thermocouple 13 (armoured thermocouple) is mainly used for realizing the measurement to 10 temperature of sodium channel is related to, and passes through positioning ring 17, nut
15, hollow bolt 21, the first fastening nut 19 are threaded through on the heat preservation outer box wall 8 of incubation chamber 7, in nut 15 and hollow bolt 21
Equipped with epistasis spring 16 and weak property spring 18, the thermocouple temperature measurement end 3 of thermocouple 13 passes through incubation chamber 7 and from incubation chamber inner wall 9
It is pierced by, heat-conducting block 22 is additionally provided on thermocouple temperature measurement end 3, the contact surface for increasing thermocouple temperature measurement end 3 Yu relating to sodium channel 10
Product, heat-conducting block 22 and thermocouple temperature measurement end 3 are tightened together by bolt 23.Epistasis spring 16 and weak property spring 18 make thermoelectricity
Even 13 can be axially moveable in hollow bolt 21, so that allowing thermocouple temperature measurement end 3 to be tightly attached to capped relates to sodium channel 10
On.Wherein hollow bolt 21, nut 15 and the first fastening nut 19 play whole fixed function；Positioning ring 17 is directly anchored to heat
On galvanic couple 13, the accurate positioning to thermocouple 13 is realized by the cooperation of strong, weak two springs, and can guarantee the heat of thermocouple 13
Galvanic couple thermometric end 3 is close to pipe surface when relating to sodium channel 10 and shaking always.The thermocouple cold junction 14 of 13 tail end of thermocouple reveals
Nut 15 outside and be connected to temperature measurement signal line.
In concrete application, corresponding different types of heat preservation can be set for the actual conditions and demand for relating to sodium channel 10
Block.For example, relating to sodium channel 10 for horizontally disposed, the top for relating to sodium channel 10, sodium leakage detection is arranged in thermometric heat insulating block
The lower section for relating to sodium channel 10 is arranged in heat insulating block, and sodium leakage detects silk 2 and arranges along the axial of sodium channel 10 is related to, close to relate to sodium channel
10 extreme lower position (as shown in Figure 7, Figure 8), so that the Liquid Sodium of leakage flows through the sodium leakage detection triggering alarm of silk 2；For perpendicular
What is be directly arranged relates to sodium channel 10, and sodium leakage detection heat insulating block is arranged in the bottom end for relating to sodium channel 10, and sodium leakage detects silk 2 along relating to sodium
Pipeline 10 is circumferentially arranged, so that the Liquid Sodium of leakage flows through the sodium leakage detection triggering alarm of silk 2.
The present invention can be made by the following method: progress prerequisite inspection first, including design document, material
Prepare etc., then carry out material blanking, shearing；In desired position aperture, assembly welding is carried out to each panel (removing outer panels)
The shell of heat insulating block is formed, position is laid with electric heating wire as required, sodium leakage detects silk, is then uniformly filled in thermal insulation material
Enclosure interior installs thermocouple, then outer panels is packaged fixation.Quick hasp of incubation chamber etc. is carried out after assembling
It is fixed.Above-mentioned incubation chamber is installed on equipment surface by the present invention as required, is connected and fixed between each piece by quick hasp, by its electricity
The cold end power cord connector that heater strip, sodium leakage detect silk is connect with control cabinet, and temperature measurement signal line is accessed control cabinet, to be debugged
It gets well and it can be allowed to enter working condition as required after having service condition.
Device of the present invention is not limited to embodiment described in specific embodiment, those skilled in the art according to
Technical solution of the present invention obtains other embodiments, also belongs to the scope of the technical innovation of the present invention.
Claims (10)
1. a kind of heat insulating block relates to the heat preservation and heat tracing of sodium channel (10) for sodium-cooled fast reactor, including removably splices attachment
Thermal insulation material is filled inside the incubation chamber (7) related on sodium channel (10), the incubation chamber (7), it is characterized in that: the guarantor
Incubation chamber inner wall (9) outer surface of warm box (7) is equipped with electric heating wire (4), in the heat preservation outer box wall (8) of the incubation chamber (7)
Outer surface setting connect the quick coupling (6) of the electric heating wire (4), for providing power supply for the electric heating wire (4).
2. heat insulating block as described in claim 1, it is characterized in that: the electric heating wire (4) is in the outer of the incubation chamber inner wall (9)
Surface dense distribution；The bringing-up section of the electric heating wire (4) is fixed on the heat preservation by stainless steel metal paillon (12) spot welding
The outer surface of box inner wall (9), the internal work section point of the electric heating wire (4) are welded in the inner surface of the incubation chamber inner wall (9)；
The both ends of the bringing-up section of the electric heating wire (4) pass through the incubation chamber inner wall (9) and connect the internal work section, and the electricity adds
The bringing-up section of heated filament (4) selects twin-core armouring electric heating wire, and the internal work section of the electric heating wire (4) adds twin-core armouring electricity
The two poles of the earth of heated filament are connected on the quick coupling (6)；Operating temperature can be arranged by control cabinet in the electric heating wire (4), most
Height can bear 800 DEG C of temperature environments.
3. heat insulating block as claimed in claim 2, it is characterized in that: porous connector is selected in the quick coupling (6), two of them are inserted
Hole connects the electric heating wire (4), as it for electric jack；One jack is protected as ground wire needed for the entire heat insulating block
Jack；Two quick couplings are set along the axial alignment for relating to sodium channel (10) on each incubation chamber (7)
(6), the quick coupling (6) on circumferential two pieces of incubation chambers (7) being correspondingly connected with is arranged close to the same overlapping the slot；Often
The cable run of the same position of two quick couplings (6) on a incubation chamber (7) is connected, convenient for external cabling
Connection.
4. heat insulating block as claimed in claim 3, it is characterized in that: the heat insulating block has monolithic detachability, and in its dismounting
The heat preservation and heat tracing of other heat insulating blocks are not influenced afterwards.
5. heat insulating block as claimed in claim 4, it is characterized in that: the incubation chamber (7) is stainless steel material, using HALF shape
Quick hasp (1), quick hasp (1) position is arranged in the outer surface of shape, the heat preservation outer box wall (8) of the incubation chamber (7)
In the edge interconnected of two adjacent incubation chambers (7).
6. heat insulating block as claimed in claim 5, it is characterized in that: on incubation chamber inner wall (9) outer surface of the incubation chamber (7) also
Silk (2) are detected equipped with sodium leakage；The outer surface of the incubation chamber inner wall (9) of the incubation chamber (7) is equipped with groove, and the sodium is let out
Leakage detection silk (2) is fixed in the groove by (12) spot welding of stainless steel metal paillon, does not occur with the electric heating wire (4)
Contact；Two jacks on the quick coupling (6) connect the two poles of the earth of sodium leakage detection silk (2), as it for electric jack；
Sodium leakage detection silk (2) also connects external sodium leakage signal receiver by external cable, realizes sodium leakage signal
Transmission.
7. heat insulating block as claimed in claim 6, it is characterized in that: sodium leakage detection silk (2) is if also by spaced
Dry ceramic support ring is fixed in the groove.
8. heat insulating block as claimed in claim 5, it is characterized in that: thermocouple (13) are equipped on the incubation chamber (7), the heat
Galvanic couple (13) is threaded through the incubation chamber by positioning ring (17), nut (15), hollow bolt (21), the first fastening nut (19)
(7) on heat preservation outer box wall (8), the thermocouple temperature measurement end (3) of thermocouple (13) bottom end pass through the incubation chamber (7) and from
The incubation chamber inner wall (9) is pierced by；Epistasis spring (16) and weak property are equipped in the nut (15) and the hollow bolt (21)
Spring (18), so that the thermocouple temperature measurement end (3) can be tightly attached to described relate in described relate to when sodium channel (10) shakes
On sodium channel (10).
9. heat insulating block as claimed in claim 8, it is characterized in that: the thermocouple (13) is armoured thermocouple.
10. heat insulating block as claimed in claim 8, it is characterized in that: being additionally provided with heat-conducting block on the thermocouple temperature measurement end (3)
(22), for increasing the thermocouple temperature measurement end (3) and the contact area for relating to sodium channel (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910021734.0A CN109681724A (en) | 2019-01-09 | 2019-01-09 | A kind of heat insulating block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910021734.0A CN109681724A (en) | 2019-01-09 | 2019-01-09 | A kind of heat insulating block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109681724A true CN109681724A (en) | 2019-04-26 |
Family
ID=66192909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910021734.0A Pending CN109681724A (en) | 2019-01-09 | 2019-01-09 | A kind of heat insulating block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109681724A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200327876Y1 (en) * | 2003-06-24 | 2003-09-26 | 조보행 | Structure of lagging for water leakage confirmation in insulation piping line |
| CN105020541A (en) * | 2015-08-13 | 2015-11-04 | 上海核工程研究设计院 | Slidable heat preservation layer for pipeline |
| CN105240651A (en) * | 2015-11-11 | 2016-01-13 | 浙江创想节能科技有限公司 | Detachable insulation box having temperature measurement and electric heat tracing functions |
| CN206093530U (en) * | 2016-08-18 | 2017-04-12 | 杭州永慧科技有限公司 | Armor optic fibre inlays formula of burying pipeline leakage detection structure |
| CN209839494U (en) * | 2019-01-09 | 2019-12-24 | 中国原子能科学研究院 | Heat insulation block |
-
2019
- 2019-01-09 CN CN201910021734.0A patent/CN109681724A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200327876Y1 (en) * | 2003-06-24 | 2003-09-26 | 조보행 | Structure of lagging for water leakage confirmation in insulation piping line |
| CN105020541A (en) * | 2015-08-13 | 2015-11-04 | 上海核工程研究设计院 | Slidable heat preservation layer for pipeline |
| CN105240651A (en) * | 2015-11-11 | 2016-01-13 | 浙江创想节能科技有限公司 | Detachable insulation box having temperature measurement and electric heat tracing functions |
| CN206093530U (en) * | 2016-08-18 | 2017-04-12 | 杭州永慧科技有限公司 | Armor optic fibre inlays formula of burying pipeline leakage detection structure |
| CN209839494U (en) * | 2019-01-09 | 2019-12-24 | 中国原子能科学研究院 | Heat insulation block |
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