CN107764436A - A kind of calibrating installation of Wolfram rhenium heat electric couple - Google Patents
A kind of calibrating installation of Wolfram rhenium heat electric couple Download PDFInfo
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- CN107764436A CN107764436A CN201711071980.4A CN201711071980A CN107764436A CN 107764436 A CN107764436 A CN 107764436A CN 201711071980 A CN201711071980 A CN 201711071980A CN 107764436 A CN107764436 A CN 107764436A
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Abstract
The calibrating installation of Wolfram rhenium heat electric couple provided by the invention, described device include：Standard Wolfram rhenium heat electric couple component, furnace protection pipe, horizontal electric thermo-couple test furnace, Wolfram rhenium heat electric couple component to be calibrated；The standard Wolfram rhenium heat electric couple component is set with the Wolfram rhenium heat electric couple component reverse symmetry to be calibrated；The through hole for the insertion of standard Wolfram rhenium heat electric couple protection pipe is provided with the standard Wolfram rhenium heat electric couple component；The through hole for Wolfram rhenium heat electric couple protection pipe to be calibrated insertion is provided with the Wolfram rhenium heat electric couple component to be calibrated；The standard Wolfram rhenium heat electric couple component is tightly connected by the furnace protection pipe and the Wolfram rhenium heat electric couple component to be calibrated；The furnace protection pipe is located in the horizontal electric thermo-couple test furnace.Using the calibrating installation of Wolfram rhenium heat electric couple provided in an embodiment of the present invention, the calibration to bushing type Wolfram rhenium heat electric couple can be realized.
Description
Technical field
The present embodiments relate to the collimation technique field of Wolfram rhenium heat electric couple, more particularly to a kind of calibration of Wolfram rhenium heat electric couple
Device.
Background technology
It is more next to the calibration requirements of (300~1500) DEG C oxidisability Wolfram rhenium heat electric couple with the progress of industrial technology
It is more.
The Wolfram rhenium heat electric couple of censorship in recent years is generally bushing type (i.e. Wolfram rhenium heat electric couple covering is equipped with protection pipe) W-Re heat
Galvanic couple, temperature range be (300~1500) DEG C and most of (1500~2300) DEG C, protection pipe external diameter between 3~φ of φ 12,
Length is more than 300mm, and protection pipe used is alumina tube, tungsten and other oxidizable material protection pipes, bushing type W-Re used
Thermocouple needs periodic calibration.
The content of the invention
The embodiments of the invention provide a kind of calibrating installation of Wolfram rhenium heat electric couple, to realize to bushing type Wolfram rhenium heat electric couple
Calibration.
To reach above-mentioned purpose, the embodiments of the invention provide a kind of calibrating installation of Wolfram rhenium heat electric couple, described device bag
Include：Standard Wolfram rhenium heat electric couple component, furnace protection pipe, horizontal electric thermo-couple test furnace, Wolfram rhenium heat electric couple component to be calibrated；
The standard Wolfram rhenium heat electric couple component is set with the Wolfram rhenium heat electric couple component reverse symmetry to be calibrated；
The through hole for the insertion of standard Wolfram rhenium heat electric couple protection pipe is provided with the standard Wolfram rhenium heat electric couple component；
The through hole for Wolfram rhenium heat electric couple protection pipe to be calibrated insertion is provided with the Wolfram rhenium heat electric couple component to be calibrated；
The standard Wolfram rhenium heat electric couple component is close by the furnace protection pipe and the Wolfram rhenium heat electric couple component to be calibrated
Envelope connection；
The furnace protection pipe is located in the horizontal electric thermo-couple test furnace.
Further, the Wolfram rhenium heat electric couple component to be calibrated includes：First lock nut, sealing flange, on first
Once sealing flange, the first water collar flange；
It is provided with screw thread on the inwall of first lock nut, is set on described first on the outer wall of one end of sealing flange
Screw thread is equipped with, first lock nut connects with the threaded one end of sealing flange on described first；
One end of the other end of sealing flange and first time sealing flange is tightly connected on first；
The internal diameter of the other end of first time sealing flange is identical with the external diameter size of the furnace protection pipe；
The center of the first water collar flange is hollow ledge structure, the internal diameter of the first stage of the hollow ledge structure
It is identical with the external diameter size of the furnace protection pipe, the internal diameter of the second stage of the hollow ledge structure and described first time sealing
The external diameter size of flange is identical；The other end of first time sealing flange is inserted in the first water collar flange, and with institute
State the connection of the first water collar flange seal；The furnace protection pipe is inserted in first water-cooling flange.
Further, the Wolfram rhenium heat electric couple component to be calibrated also includes：First unilateral conical surface gasket ring, at least one first
Bilateral conical surface gasket ring, at least one first O-ring；
The external diameter of each first O-ring, each first bilateral conical surface gasket ring and the first unilateral conical surface gasket ring is with described
Once the internal diameter size of sealing flange is identical；Each first O-ring, each first bilateral conical surface gasket ring and the first unilateral conical surface pad
The internal diameter of ring is identical with the external diameter size of Wolfram rhenium heat electric couple protection pipe to be calibrated；
The center of sealing flange is hollow ledge structure on first, the internal diameter of the first stage of the hollow ledge structure and
The external diameter size of one unilateral conical surface gasket ring is identical, the internal diameter of the second stage of the hollow ledge structure and Wolfram rhenium heat electric couple to be calibrated
The external diameter size of protection pipe is identical；
It is identical with the external diameter size of Wolfram rhenium heat electric couple protection pipe to be calibrated that the center of first locking nut is provided with internal diameter
, for Wolfram rhenium heat electric couple protection pipe to be calibrated insertion through hole；
On described first between sealing flange and first lock nut it is close abutted at least one first O-ring,
At least one first bilateral conical surface gasket ring and the first unilateral conical surface gasket ring.
Further, close abut is provided with the first O-ring, the first bilateral conical surface successively in sealing flange on described first
Gasket ring, the first O-ring and the first unilateral conical surface gasket ring, the first unilateral conical surface gasket ring closely support with first lock nut
Connect.
Further, the Wolfram rhenium heat electric couple component to be calibrated also includes：At least one second bilateral conical surface gasket ring, at least
One the second O-ring；
The external diameter size of each second bilateral conical surface gasket ring, the external diameter of each second O-ring with first time sealing flange
It is identical, the internal diameter size phase of each second bilateral conical surface gasket ring, the internal diameter of each second O-ring with first time sealing flange
Together；
Close abut is provided with least between the first water collar flange and the other end of first time sealing flange
One the second O-ring and at least one second bilateral conical surface gasket ring.
Further, closely supported successively between the other end of the first water collar flange and first time sealing flange
Connect and be provided with the second O-ring, the second bilateral conical surface gasket ring, the second O-ring.
Further, the first water collar flange both sides are provided with hollow inside groove, and the both ends of inside groove stretch out hollow
Stage structure.
Further, the first water collar flange is fixedly connected with first time sealing flange by screw.
Further, the first water collar flange bracket is fixedly installed on the first water collar flange.
Further, it is installed with first support seat on the first water collar flange bracket.
Further, the standard Wolfram rhenium heat electric couple component includes：Second lock nut, sealing flange, second on second
Lower sealing flange, the second water collar flange；
It is provided with screw thread on the inwall of second lock nut, is set on described second on the outer wall of one end of sealing flange
Screw thread is equipped with, second lock nut connects with the threaded one end of sealing flange on described second；
One end of the other end of sealing flange and second time sealing flange is tightly connected on second；
The internal diameter of the other end of second time sealing flange is identical with the external diameter size of the furnace protection pipe；
The center of the second water collar flange is hollow ledge structure, the internal diameter of the first stage of the hollow ledge structure
It is identical with the external diameter size of the furnace protection pipe, the internal diameter of the second stage of the hollow ledge structure and described second time sealing
The external diameter size of flange is identical；The other end of second time sealing flange is inserted in the second water collar flange, and with institute
State the connection of the second water collar flange seal；The furnace protection pipe is inserted in second water-cooling flange.
Further, one end of the other end and second time sealing flange of sealing flange is transferred by threeway on described second
Head connection, the threeway adapter are connected with argon inlet mouth；Pin is provided between the threeway adapter and argon inlet mouth
Valve.
Further, the standard Wolfram rhenium heat electric couple component also includes：It is second unilateral conical surface gasket ring, at least one 3rd pair
Side conical surface gasket ring, at least one 3rd O-ring；
The external diameter of each 3rd O-ring, each 3rd bilateral conical surface gasket ring and the second unilateral conical surface gasket ring is with described
The internal diameter size of two times sealing flanges is identical；Each 3rd O-ring, each 3rd bilateral conical surface gasket ring and the second unilateral conical surface pad
The internal diameter of ring is identical with the external diameter size of standard Wolfram rhenium heat electric couple protection pipe；
The center of sealing flange is hollow ledge structure on second, the internal diameter of the first stage of the hollow ledge structure and
The external diameter size of two unilateral conical surface gasket rings is identical, and internal diameter and the standard Wolfram rhenium heat electric couple of the second stage of the hollow ledge structure are protected
The external diameter size of pillar is identical；
External diameter size identical of the center of second locking nut provided with internal diameter and standard Wolfram rhenium heat electric couple protection pipe,
Through hole for the insertion of standard Wolfram rhenium heat electric couple protection pipe；
On described second between sealing flange and second lock nut it is close abutted at least one 3rd O-ring,
At least one 3rd bilateral conical surface gasket ring and the second unilateral conical surface gasket ring.
Further, close abut is provided with the 3rd O-ring, the 3rd bilateral conical surface successively in sealing flange on described second
Gasket ring, the 3rd O-ring and the second unilateral conical surface gasket ring, the second unilateral conical surface gasket ring closely support with second lock nut
Connect.
Further, the standard Wolfram rhenium heat electric couple component also includes：At least one 4th bilateral conical surface gasket ring, at least one
Individual 4th O-ring；
Each 4th bilateral conical surface gasket ring, external diameter size of the external diameter of each 4th O-ring with second time sealing flange
It is identical, each 4th bilateral conical surface gasket ring, internal diameter size phase of the internal diameter of each 4th O-ring with second time sealing flange
Together；
Close abut is provided with least between the second water collar flange and the other end of second time sealing flange
One the 4th O-ring and at least one 4th bilateral conical surface gasket ring.
Further, closely supported successively between the other end of the second water collar flange and second time sealing flange
Connect and be provided with the 4th O-ring, the 4th bilateral conical surface gasket ring, the 4th O-ring.
Using the calibrating installation of Wolfram rhenium heat electric couple provided in an embodiment of the present invention, can realize to bushing type Wolfram rhenium heat electric couple
Calibration.
Brief description of the drawings
Fig. 1 is the structural representation of the calibrating installation of Wolfram rhenium heat electric couple provided in an embodiment of the present invention；
Fig. 2 is the structural representation at the end to be calibrated of the calibrating installation of Wolfram rhenium heat electric couple；
Fig. 3 is the structural representation of upper sealing flange；
Fig. 4 is the structural representation of lock nut；
Fig. 5 is the structural representation of lower sealing flange；
Fig. 6 is the planing surface figure of water collar flange；
Fig. 7 is the structural representation of unilateral conical surface gasket ring；
Fig. 8 is the structural representation of bilateral conical surface gasket ring；
Fig. 9 is the installation diagram of upper sealing flange, lock nut, O-ring, bilateral conical surface gasket ring and unilateral conical surface gasket ring；
Figure 10 is the structural representation of water collar flange；
Figure 11 is the structural representation of support frame；
Figure 12 is the profile of support frame；
Figure 13 is water collar flange and water collar flange bracket assembling section；
Figure 14 is water collar flange and water collar flange bracket assembling structure schematic diagram；
Figure 15 is the structural representation of carrier base；
Figure 16 is the structural representation of the normal end of the calibrating installation of Wolfram rhenium heat electric couple.
Drawing reference numeral explanation：1st, Wolfram rhenium heat electric couple to be calibrated；2nd, standard Wolfram rhenium heat electric couple；3rd, Wolfram rhenium heat electric couple to be calibrated is protected
Pillar；4th, standard Wolfram rhenium heat electric couple protection pipe；5th, the first lock nut；6th, the second lock nut；7th, sealing flange on first；8、
Sealing flange on second；9th, first time sealing flange；10th, second time sealing flange；11st, threeway adapter；12nd, the first water collar
Flange；13rd, the second water collar flange；141st, the first O-ring；142nd, the second O-ring；143rd, the 3rd O-ring；144th, the 4th is O-shaped
Circle；15th, first support seat；16th, second support seat；17th, horizontal electric thermo-couple test furnace；18th, furnace protection pipe；19th, water cooling tube connects
Head；20th, the second bilateral conical surface gasket ring；21st, the first unilateral conical surface gasket ring；22nd, the second unilateral conical surface gasket ring；23rd, the first bilateral is bored
Face gasket ring；24th, the 3rd bilateral conical surface gasket ring；25th, argon inlet mouth；26th, needle-valve；27th, the 4th bilateral conical surface gasket ring；28th, first
Water collar flange bracket；29th, the second water collar flange bracket.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
To reach above-mentioned purpose, the embodiments of the invention provide a kind of calibrating installation of Wolfram rhenium heat electric couple.
As described in Figure 1, described device includes：Standard Wolfram rhenium heat electric couple component, furnace protection pipe 18, horizontal thermocouple calibration
Stove 17, Wolfram rhenium heat electric couple component to be calibrated；
The standard Wolfram rhenium heat electric couple component is set with the Wolfram rhenium heat electric couple component reverse symmetry to be calibrated；
The through hole inserted for standard Wolfram rhenium heat electric couple protection pipe 4 is provided with the standard Wolfram rhenium heat electric couple component；
It is provided with the Wolfram rhenium heat electric couple component to be calibrated for the logical of Wolfram rhenium heat electric couple protection pipe 3 to be calibrated insertion
Hole；
The standard Wolfram rhenium heat electric couple component passes through the furnace protection pipe 18 and the Wolfram rhenium heat electric couple component to be calibrated
It is tightly connected；
The furnace protection pipe 18 is located in the horizontal electric thermo-couple test furnace 17.
In actual alignment Wolfram rhenium heat electric couple 1 to be calibrated, standard Wolfram rhenium heat electric couple protection pipe 4 can be inserted the standard tungsten
In through hole on rhenium thermocouple assembly, Wolfram rhenium heat electric couple protection pipe 3 to be calibrated is inserted into the Wolfram rhenium heat electric couple component to be calibrated
On through hole in, realize that standard Wolfram rhenium heat electric couple 2 and the reverse symmetry of Wolfram rhenium heat electric couple to be calibrated 1 are set, utilize standard W-Re heat
The temperature change of diverse location on galvanic couple 2, to calibrate Wolfram rhenium heat electric couple 1 to be calibrated.
For the temperature long-term use temperature of the horizontal electric thermo-couple test furnace 18 up to 1500 DEG C, its length can be with 600mm, its
Uniform temperature field length can be not less than 40mm, and maximum temperature point deviates geometric center distance≤20mm, from stove maximum temperature point edge
The thermal field distribution of stove both sides is consistent, thermograde≤0.5 DEG C/10mm.
The furnace protection pipe 18 can be alundum tube, tubular zirconium-oxide or BN pipes etc., and it can be length ＞ 700mm, outside
Footpath ＜ φ 40mm both ends open formula siphunculus.
Using the calibrating installation of Wolfram rhenium heat electric couple provided in an embodiment of the present invention, can realize to bushing type Wolfram rhenium heat electric couple
Calibration.
As shown in Fig. 2,3,4,5,6, the Wolfram rhenium heat electric couple component to be calibrated includes：It is close on first lock nut 5, first
Seal flange 7, first time sealing flange 9, the first water collar flange 12；
Screw thread is provided with the inwall of first lock nut 5, on described first on the outer wall of one end of sealing flange 7
Screw thread is provided with, first lock nut 5 connects with the threaded one end of sealing flange 7 on described first；
One end of the other end of sealing flange 7 and first time sealing flange 9 is tightly connected on first；
The internal diameter of the other end of first time sealing flange 9 is identical with the external diameter size of the furnace protection pipe 18；
The center of the first water collar flange 12 is hollow ledge structure, the first stage of the hollow ledge structure it is interior
Footpath is identical with the external diameter size of the furnace protection pipe 18, under the internal diameter of the second stage of the hollow ledge structure and described first
The external diameter size of sealing flange 9 is identical；The other end of first time sealing flange 9 inserts the first water collar flange 12
It is interior, and be tightly connected with the first water collar flange 12；The furnace protection pipe 18 is inserted in first water-cooling flange.
Wherein, first time sealing flange 9 is in " ten " word structure, and it is hollow circuit cylinder, hollow circuit cylinder internal diameter and burner hearth that it is internal
The external diameter size of protection pipe 18 is identical；Top is KF joints (purpose is to coordinate sealing flange 7 on first), and top port is provided with the conical surface
Groove (purpose is to place O-ring), on both sides of the middle is equipped with internal thread hole.
As shown in Fig. 7,8,9, the Wolfram rhenium heat electric couple component to be calibrated also includes：First unilateral conical surface gasket ring 21, at least
One the first bilateral conical surface gasket ring 23, at least one first O-ring 141.
Each first O-ring 141,23 and first unilateral conical surface gasket ring 21 of each first bilateral conical surface gasket ring external diameter with
The internal diameter size of first time sealing flange 9 is identical；Each first O-ring 141, each first bilateral conical surface gasket ring 23 and
The internal diameter of one unilateral conical surface gasket ring 21 is identical with the external diameter size of Wolfram rhenium heat electric couple protection pipe 3 to be calibrated；
The center of sealing flange 7 is hollow ledge structure on first, the internal diameter of the first stage of the hollow ledge structure with
The external diameter size of first unilateral conical surface gasket ring 21 is identical, the internal diameter of the second stage of the hollow ledge structure and W-Re to be calibrated heat
The external diameter size of galvanic couple protection pipe 3 is identical；
The center of first locking nut 5 is provided with internal diameter and the external diameter size phase of Wolfram rhenium heat electric couple protection pipe 3 to be calibrated
Through hole same, for Wolfram rhenium heat electric couple protection pipe 3 to be calibrated insertion；
On described first closely at least one first O-ring has been abutted between sealing flange 7 and first lock nut 5
141st, at least one first bilateral conical surface gasket ring, 23 and first unilateral conical surface gasket ring 21.
Specifically, close abut is provided with the first O-ring 141, the first bilateral cone successively in sealing flange 7 on described first
Face gasket ring 23, the first O-ring 141 and the first unilateral conical surface gasket ring 21, the first unilateral conical surface gasket ring 21 and the described first lock
Tight nut 5 closely abuts, so as to reach sealing effectiveness good between the lock nut 5 of sealing flange 7 and first on first.
As shown in Fig. 2 the Wolfram rhenium heat electric couple component to be calibrated also includes：At least one second bilateral conical surface gasket ring 20,
At least one second O-ring 142；
Each second bilateral conical surface gasket ring 20, the external diameter of each second O-ring 142 are outer with first time sealing flange 9
Footpath size is identical, each second bilateral conical surface gasket ring 20, each second O-ring 142 internal diameter with first time sealing flange 9
Internal diameter size is identical；
Between the first water collar flange 12 and the other end of first time sealing flange 9 it is close abut be provided with to
Few second O-ring 142 and at least one second bilateral conical surface gasket ring 20.
Specifically, it is close successively between the first water collar flange 12 and the other end of first time sealing flange 9
Abutting is provided with the second O-ring 142, the second bilateral conical surface gasket ring 20, the second O-ring 142, so as to reach first time sealing flange
9 and first sealing effectiveness good between water collar flange 12.Wherein, fluorine cushion rubber or silica gel ring etc. can be selected in O-ring.
As shown in Fig. 6,10, the both sides of the first water collar flange 12 are provided with hollow inside groove, and the both ends of inside groove are stretched out
Hollow ledge structure, form water-cooled pipe joint 19.Two water-cooled pipe joints 19 are equipped with internal thread, and (purpose is that connection is threaded fast
Connection-peg, and then connect water cooling plant, and is circulated in inside groove by cooling water and takes away heat, avoid due under high temperature this
The deterioration modification of place's O-ring causes the generation of seal leakage phenomenon).The back of first water collar flange 12 is laid with interior along annulus
Screwed hole (purpose is to coordinate the internal thread hole of first time on both sides of the middle of sealing flange 9), it is therefore an objective to external tool can be inserted
The further rotating bolt of screwed hole, the first water collar flange 12 is connected with first time sealing flange 9, and then make under first
Conical surface groove at sealing flange 9 compresses the second O-ring 142, then by the second bilateral conical surface gasket ring 20 to compress another layer second O-shaped
The structural ledge enclosed at 142 to the first water collar flanges 12, so as to compress the outer wall of furnace protection pipe 18.Further, it is described
First water collar flange 12 can be fixedly connected with first time sealing flange 9 by screw.
As shown in Figure 11,12,13,14, the first water collar flange branch is fixedly installed on the first water collar flange 12
Frame 28.
Specifically, the upper end of the first water collar flange bracket 28 is annulus, the annulus and the first water collar flange 12
Top match, the top of the first water collar flange bracket 28 and the first water collar flange 12 can weld together.
Further, it is installed with first support seat 15 on the first water collar flange bracket 28.
The other end of the first water collar flange bracket 28 is provided with least two straight troughs on the vertical direction of bottom
Mouthful, the first support seat 15 is overall in " T " structures, upper end is correspondingly provided with least two straight trough mouths, and (purpose is cooperation first
Water collar flange bracket 28), by straight trough mouth, the first water collar flange bracket 28 utilizes spiral shell with the first support seat 15
Bolt is fixedly connected.In addition, at least two straight trough mouths on the other end for passing through the first water collar flange bracket 28, pass through bolt
Turn and be connected with least two straight trough mouths of first support seat 15, can adjust up and down whole Wolfram rhenium heat electric couple calibrating installation hang down
Straight height, thermocouple in calibration process is set to be in the center of the burner hearth of horizontal electric thermo-couple test furnace 17 in vertical aspect.
The lower end of first support seat 15 is subbase, and subbase center bottom is provided with internal thread holes, and (purpose is can be
Operating table surface is punched, and it is fixedly secured in operating table surface by bolt), subbase can be square or circular.
As shown in figure 16, the standard Wolfram rhenium heat electric couple component includes：Sealing flange 8 on second lock nut 6, second,
Second time sealing flange 10, the second water collar flange 13；
Screw thread is provided with the inwall of second lock nut 6, on described second on the outer wall of one end of sealing flange 8
Screw thread is provided with, second lock nut 6 connects with the threaded one end of sealing flange 8 on described second；
One end of the other end of sealing flange 8 and second time sealing flange 10 is tightly connected on second；
The internal diameter of the other end of second time sealing flange 10 is identical with the external diameter size of the furnace protection pipe 18；
The center of the second water collar flange 13 is hollow ledge structure, the first stage of the hollow ledge structure it is interior
Footpath is identical with the external diameter size of the furnace protection pipe 18, under the internal diameter of the second stage of the hollow ledge structure and described second
The external diameter size of sealing flange 10 is identical；The other end of second time sealing flange 10 inserts the second water collar flange 13
It is interior, and be tightly connected with the second water collar flange 13；The furnace protection pipe 18 is inserted in second water-cooling flange.
Further, the standard Wolfram rhenium heat electric couple component also includes：Second unilateral conical surface gasket ring 22, at least one 3rd
Bilateral conical surface gasket ring 24, at least one 3rd O-ring 143；
Each 3rd O-ring 143,24 and second unilateral conical surface gasket ring 22 of each 3rd bilateral conical surface gasket ring external diameter with
The internal diameter size of second time sealing flange 10 is identical；Each 3rd O-ring 143, each and of 3rd bilateral conical surface gasket ring 24
The internal diameter of second unilateral conical surface gasket ring 22 is identical with the external diameter size of standard Wolfram rhenium heat electric couple protection pipe 4；
The center of sealing flange 8 is hollow ledge structure on second, the internal diameter of the first stage of the hollow ledge structure with
The external diameter size of second unilateral conical surface gasket ring 22 is identical, internal diameter and the standard W-Re thermoelectricity of the second stage of the hollow ledge structure
The external diameter size of even protection pipe 4 is identical；
It is identical with the external diameter size of standard Wolfram rhenium heat electric couple protection pipe 4 that the center of second locking nut is provided with internal diameter
, for standard Wolfram rhenium heat electric couple protection pipe 4 insert through hole；
On described second closely at least one 3rd O-ring has been abutted between sealing flange 8 and second lock nut 6
143rd, at least one 3rd bilateral conical surface gasket ring, 24 and second unilateral conical surface gasket ring 22.
Specifically, close abut is provided with the 3rd O-ring 143, the 3rd bilateral cone successively in sealing flange 8 on described second
Face gasket ring 24, the 3rd O-ring 143 and the second unilateral conical surface gasket ring 22, the second unilateral conical surface gasket ring 22 and the described second lock
Tight nut 6 closely abuts, so as to reach sealing effectiveness good between the lock nut 6 of sealing flange 8 and second on second.
Further, the standard Wolfram rhenium heat electric couple component also includes：At least one 4th bilateral conical surface gasket ring 27, at least
One the 4th O-ring 144；
Each 4th bilateral conical surface gasket ring 27, the external diameter of each 4th O-ring 144 are outer with second time sealing flange 10
Footpath size is identical, each 4th bilateral conical surface gasket ring 27, each 4th O-ring 144 internal diameter with second time sealing flange 10
Internal diameter size it is identical；
Close abut is provided between the second water collar flange 13 and the other end of second time sealing flange 10
At least one 4th O-ring 144 and at least one 4th bilateral conical surface gasket ring 27.
Specifically, it is close successively between the second water collar flange 13 and the other end of second time sealing flange 10
Abutting is provided with the 4th O-ring 144, the 4th bilateral conical surface gasket ring 27, the 4th O-ring 144, so as to reach second time sealing flange
10 and second sealing effectiveness good between water collar flange 13.
Further, the both sides of the second water collar flange 13 are provided with hollow inside groove, and the both ends of inside groove are stretched out hollow
Ledge structure.
The second water collar flange 13 is fixedly connected with second time sealing flange 10 by screw.
The second water collar flange bracket 29 is fixedly installed on the second water collar flange 13.
Second support seat 16 is installed with the second water collar flange bracket 29.
As shown in figure 16, the other end of sealing flange 8 and one end of second time sealing flange 10 pass through three on described second
Logical adapter 11 is connected, and the threeway adapter 11 is connected with the 3rd bilateral conical surface gasket ring 24；The threeway adapter 11 and
Needle-valve 26 is provided between three bilateral conical surface gasket rings 24, to reach the purpose of control gas flow.In the present embodiment, by marking
The quasi- side of Wolfram rhenium heat electric couple 2 evacuates air and argon filling gas shielded, and the threeway adapter 11 is connected into sealing flange 8 on second
Between second time sealing flange 10, by evacuating simultaneously argon filling gas shielded before calibration, calibrated with reaching Wolfram rhenium heat electric couple 1 to be calibrated
Shi Suoxu ar gas environment, improve the degree of accuracy of calibration process.
The present invention is by designing sealing device, using standard Wolfram rhenium heat electric couple 2 and Wolfram rhenium heat electric couple 1 to be calibrated in burner hearth two
End insertion makes its measurement end be in relative status and the method calibrated in same point, utilizes the structure platform inside upper sealing flange
Rank, and coordinate unilateral conical surface gasket ring, bilateral conical surface gasket ring, the mode fit sealing Wolfram rhenium heat electric couple of lock nut compression O-ring
The outer wall of protection pipe, using the structural ledge inside water collar flange, and bilateral conical surface gasket ring, lower sealing flange is coordinated to compress O
The mode of the outer wall of mode fit sealing furnace protection pipe 18 of type circle, realizes the vacuum sealing of calibrating installation, and coordinate outside
Vacuumizing applying argon gas mode realizes in Wolfram rhenium heat electric couple calibration process from body of heater and air pollution.The present invention substantially reduces
Calibration result uncertainty, have low structure simple with installation, calibration efficiency height, cost, strong applicability, reliability height etc. excellent
Point.
The present invention has also endured a kind of assemble flow：
The first step：First water collar flange 12 and the second water collar flange 13 are attached on furnace protection sleeve pipe, according to
Electric thermo-couple test furnace furnace height adjustment first support seat 15, second support seat 16, the first water collar support, the second water collar branch
The vertical height of frame, make straight trough mouth corresponding, and locked with fixing bolt.
Second step：From the second O-ring 142 matched with the external diameter of furnace protection pipe 18 and the second bilateral conical surface gasket ring 20,
Successively furnace protection pipe 18 is filled to according to the order set of the second O-ring 142, the second bilateral conical surface gasket ring 20, the second O-ring 142
One end, the other end of furnace protection pipe 18 is similarly.
3rd step：First time sealing flange 9 is taken, makes the conical surface groove alignment sleeve on the first time top of sealing flange 9 mounted in protection
Second O-ring 142 of sleeve pipe one end, compressed along burner hearth direction, make the internal thread through hole pair of first time on both sides of the middle of sealing flange 9
The internal thread hole of quasi- water collar flange annulus, and locked by bolt.Second time sealing flange 10 is installed similarly.
4th step：First time sealing flange 9 is connected with sealing flange on first 7 by KF joints.
5th step：Threeway adapter 11 is passed through into KF joints with sealing flange on second 8, second time sealing flange 10 respectively
Connection.
6th step：The standard Wolfram rhenium heat electric couple protection pipe 4 that outside dimension is φ 6 or φ 8, one end are cecum is chosen, is carried
Before measure position, the cecum position of standard Wolfram rhenium heat electric couple protection pipe 4 is in electric thermo-couple test furnace after ensureing the installation of all seals
Center, choose sealing flange 8 on the second lock nut 6 and second corresponding with its outside dimension.Successively according to the 3rd O-ring
143rd, the 3rd bilateral conical surface gasket ring 24, the 3rd O-ring 143, the second unilateral conical surface gasket ring 22 sequentially cover and are filled to standard W-Re thermoelectricity
The even outer wall of protection pipe 4, by rotating the second lock nut 6, make sealing flange 8 on the internal thread and second of the second lock nut 6
External screw thread coordinate close, pass through the 3rd bilateral conical surface again so as to compress the 3rd O-ring 143 by the second unilateral conical surface gasket ring 22
The structural ledge that gasket ring 24 is compressed on the 3rd O-ring 143 to the second at sealing flange 8 reaches the protection of seal standard Wolfram rhenium heat electric couple
Pipe 4.
7th step：According to the Wolfram rhenium heat electric couple of various outer diameter size requirement, from the He of the first lock nut 5 of correspondingly-sized
Sealing flange 7 on first.It is unilateral according to the first O-ring 141, the first bilateral conical surface gasket ring 23, the first O-ring 141, first successively
Conical surface gasket ring 21, which sequentially covers, is filled to the outer wall of Wolfram rhenium heat electric couple 1 to be calibrated, ensures the measurement end and standard of Wolfram rhenium heat electric couple 1 to be calibrated
The cecum of Wolfram rhenium heat electric couple protection pipe 4 is relative to be contacted, make sealing flange 7 on the internal thread and first of the first lock nut 5 outside
Screw thread coordinates closely, passes through the first bilateral conical surface gasket ring again so as to compress the first O-ring 141 by the first unilateral conical surface gasket ring 21
Structural ledge on 23 the first O-rings 141 to the first of compression at sealing flange 7 reaches Wolfram rhenium heat electric couple protection pipe 3 to be calibrated.
8th step：Two-way water inlet pipe, which is drawn, from external water cooling unit delivery port is respectively connecting to the first water collar flange 12 and the
The water inlet interface position of two water collar flanges 13, connect from the delivery port of the first water collar flange 12 and the second water collar flange 13
Outlet pipe is drawn respectively and is connected to water cooling unit water return outlet in mouth position.
9th step：Argon bottle export pipeline is connected to one end of threeway adapter 11.
Tenth step：Simultaneously argon filling gas shielded is vacuumized to device, is rinsed repeatedly several times.Then electric thermo-couple test furnace is heated up into
Row subsequent calibrations work.
The verification experimental verification of the present invention：
1) from the furnace protection pipe 18 that outside dimension is φ 14mm, the W-Re to be calibrated that an outside dimension is φ 6mm
Protecting tube, standard Wolfram rhenium heat electric couple protection pipe are selected φ 8mm, vacuumized after encapsulation, vacuum can reach 2.9*10-
Below 3Pa.
2) when body of heater is warming up to 1500 DEG C of highest test temperature, with land surface pyrometer monitoring and test end close to fire door opening position
Water-cooling flange sleeving temperature is 72 DEG C, far smaller than O-ring operating limit temperature.
3) horizontal-type high temperature electric thermo-couple test furnace its both sides thermal field uniformity, makes standard tungsten centered on maximum temperature point
The measurement end both sides thermal field uniformity of rhenium thermocouple and Wolfram rhenium heat electric couple to be calibrated.Verification experimental verification：Electric thermo-couple test furnace heats up
To 1500 DEG C of stabilizations, vacuumize and assay furnace maximum temperature point is in body of heater geometric center under applying argon gas guard mode, (- 20
~20) each point potential difference values put potential difference values with " 0 " in mm, after being converted into temperature, are followed successively by along both sides thermal field distribution situation
1499.76℃、1499.83℃、1500.02℃、1499.81℃、1499.73℃.Further instruction, vacuumize under state,
1499.75 DEG C, 1499.83 DEG C, 1500.04 DEG C, 1499.81 DEG C, 1499.74 DEG C are followed successively by along both sides thermal field distribution situation.
4) according to JJG141-2013《Work calibrates code with noble metal》, it is second-class mark from Wolfram rhenium heat electric couple to be calibrated
Quasi- Type B thermocouple, calibration temperature spot is 1100 DEG C, 1300 DEG C, 1500 DEG C, passes through traditional stove and W-Re provided by the invention
The calibrating installation of thermocouple compares, and in three temperature spot correction values is respectively 1.3 DEG C during traditional stove alignment, 1.3 DEG C, and 1.8
DEG C (U=0.1 DEG C, k=2)；In three temperature spot correction values it is respectively 1.2 DEG C in this calibrating installation alignment, 1.4 DEG C, 1.8
DEG C (U=0.1 DEG C, k=2).As can be seen here,Based on the calibrating mode, W-Re provided by the invention
The calibrating installation of thermocouple can perform.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (16)
1. a kind of calibrating installation of Wolfram rhenium heat electric couple, it is characterised in that described device includes：Standard Wolfram rhenium heat electric couple component, stove
Thorax protection pipe, horizontal electric thermo-couple test furnace, Wolfram rhenium heat electric couple component to be calibrated；
The standard Wolfram rhenium heat electric couple component is set with the Wolfram rhenium heat electric couple component reverse symmetry to be calibrated；
The through hole for the insertion of standard Wolfram rhenium heat electric couple protection pipe is provided with the standard Wolfram rhenium heat electric couple component；
The through hole for Wolfram rhenium heat electric couple protection pipe to be calibrated insertion is provided with the Wolfram rhenium heat electric couple component to be calibrated；
The standard Wolfram rhenium heat electric couple component is connected by the furnace protection pipe and the Wolfram rhenium heat electric couple component sealing to be calibrated
Connect；
The furnace protection pipe is located in the horizontal electric thermo-couple test furnace.
2. device according to claim 1, it is characterised in that the Wolfram rhenium heat electric couple component to be calibrated includes：First lock
Tight nut, sealing flange, first time sealing flange, the first water collar flange on first；
It is provided with screw thread on the inwall of first lock nut, is provided with described first on the outer wall of one end of sealing flange
Screw thread, first lock nut connect with the threaded one end of sealing flange on described first；
One end of the other end of sealing flange and first time sealing flange is tightly connected on first；
The internal diameter of the other end of first time sealing flange is identical with the external diameter size of the furnace protection pipe；
The center of the first water collar flange is hollow ledge structure, the internal diameter of the first stage of the hollow ledge structure and institute
It is identical to state the external diameter size of furnace protection pipe, the internal diameter of the second stage of the hollow ledge structure and first time sealing flange
External diameter size it is identical；The other end of first time sealing flange is inserted in the first water collar flange, and with described the
One water collar flange seal connects；The furnace protection pipe is inserted in first water-cooling flange.
3. device according to claim 2, it is characterised in that the Wolfram rhenium heat electric couple component to be calibrated also includes：First is single
Side conical surface gasket ring, at least one first bilateral conical surface gasket ring, at least one first O-ring；
The external diameter of each first O-ring, each first bilateral conical surface gasket ring and the first unilateral conical surface gasket ring with described first
The internal diameter size of sealing flange is identical；Each first O-ring, each first bilateral conical surface gasket ring and the first unilateral conical surface gasket ring
Internal diameter is identical with the external diameter size of Wolfram rhenium heat electric couple protection pipe to be calibrated；
The center of sealing flange is hollow ledge structure, the internal diameter of the first stage of the hollow ledge structure and the first list on first
The external diameter size of side conical surface gasket ring is identical, and the internal diameter of the second stage of the hollow ledge structure is protected with Wolfram rhenium heat electric couple to be calibrated
The external diameter size of pipe is identical；
The center of first locking nut is provided with the external diameter size identical of internal diameter and Wolfram rhenium heat electric couple protection pipe to be calibrated, used
In the through hole of Wolfram rhenium heat electric couple protection pipe to be calibrated insertion；
Close at least one first O-ring, at least of having abutted between sealing flange and first lock nut on described first
One the first bilateral conical surface gasket ring and the first unilateral conical surface gasket ring.
4. device according to claim 3, it is characterised in that
Close abut is provided with the first O-ring, the first bilateral conical surface gasket ring, first O-shaped successively in sealing flange on described first
Circle and the first unilateral conical surface gasket ring, the first unilateral conical surface gasket ring closely abut with first lock nut.
5. device according to claim 2, it is characterised in that the Wolfram rhenium heat electric couple component to be calibrated also includes：At least one
Individual second bilateral conical surface gasket ring, at least one second O-ring；
Each second bilateral conical surface gasket ring, the external diameter of each second O-ring are identical with the external diameter size of first time sealing flange,
Each second bilateral conical surface gasket ring, the internal diameter of each second O-ring are identical with the internal diameter size of first time sealing flange；
Between the first water collar flange and the other end of first time sealing flange it is close abut be provided with it is at least one
Second O-ring and at least one second bilateral conical surface gasket ring.
6. device according to claim 5, it is characterised in that
Close abut is provided with the 2nd O successively between the first water collar flange and the other end of first time sealing flange
Type circle, the second bilateral conical surface gasket ring, the second O-ring.
7. device according to claim 2, it is characterised in that the first water collar flange both sides are provided with hollow inside groove,
Hollow ledge structure is stretched out at the both ends of inside groove.
8. device according to claim 2, it is characterised in that the first water collar flange and first time sealing flange
It is fixedly connected by screw.
9. device according to claim 2, it is characterised in that be fixedly installed the first water cooling on the first water collar flange
Cover flange bracket.
10. device according to claim 9, it is characterised in that is installed with the first water collar flange bracket
One carrier base.
11. device according to claim 1, it is characterised in that the standard Wolfram rhenium heat electric couple component includes：Second locking screw
Cap, sealing flange, second time sealing flange, the second water collar flange on second；
It is provided with screw thread on the inwall of second lock nut, is provided with described second on the outer wall of one end of sealing flange
Screw thread, second lock nut connect with the threaded one end of sealing flange on described second；
One end of the other end of sealing flange and second time sealing flange is tightly connected on second；
The internal diameter of the other end of second time sealing flange is identical with the external diameter size of the furnace protection pipe；
The center of the second water collar flange is hollow ledge structure, the internal diameter of the first stage of the hollow ledge structure and institute
It is identical to state the external diameter size of furnace protection pipe, the internal diameter of the second stage of the hollow ledge structure and second time sealing flange
External diameter size it is identical；The other end of second time sealing flange is inserted in the second water collar flange, and with described the
Two water collar flange seals connect；The furnace protection pipe is inserted in second water-cooling flange.
12. according to claim 11 described device, it is characterised in that on described second the other end of sealing flange with it is close under second
One end of envelope flange is connected by threeway adapter, and the threeway adapter is connected with argon inlet mouth；The threeway adapter
Needle-valve is provided between argon inlet mouth.
13. according to claim 12 described device, it is characterised in that the standard Wolfram rhenium heat electric couple component also includes：Second is single
Side conical surface gasket ring, at least one 3rd bilateral conical surface gasket ring, at least one 3rd O-ring；
The external diameter of each 3rd O-ring, each 3rd bilateral conical surface gasket ring and the second unilateral conical surface gasket ring with described second
The internal diameter size of sealing flange is identical；Each 3rd O-ring, each 3rd bilateral conical surface gasket ring and the second unilateral conical surface gasket ring
Internal diameter is identical with the external diameter size of standard Wolfram rhenium heat electric couple protection pipe；
The center of sealing flange is hollow ledge structure, the internal diameter of the first stage of the hollow ledge structure and the second list on second
The external diameter size of side conical surface gasket ring is identical, internal diameter and the standard Wolfram rhenium heat electric couple protection pipe of the second stage of the hollow ledge structure
External diameter size it is identical；
The center of second locking nut is provided with the external diameter size identical of internal diameter and standard Wolfram rhenium heat electric couple protection pipe, is used for
The through hole of standard Wolfram rhenium heat electric couple protection pipe insertion；
Close at least one 3rd O-ring, at least of having abutted between sealing flange and second lock nut on described second
One the 3rd bilateral conical surface gasket ring and the second unilateral conical surface gasket ring.
14. according to claim 13 described device, it is characterised in that
Close abut is provided with the 3rd O-ring, the 3rd bilateral conical surface gasket ring, the 3rd O-shaped successively in sealing flange on described second
Circle and the second unilateral conical surface gasket ring, the second unilateral conical surface gasket ring closely abut with second lock nut.
15. according to claim 12 described device, it is characterised in that the standard Wolfram rhenium heat electric couple component also includes：At least one
Individual 4th bilateral conical surface gasket ring, at least one 4th O-ring；
Each 4th bilateral conical surface gasket ring, the external diameter of each 4th O-ring are identical with the external diameter size of second time sealing flange,
Each 4th bilateral conical surface gasket ring, the internal diameter of each 4th O-ring are identical with the internal diameter size of second time sealing flange；
Between the second water collar flange and the other end of second time sealing flange it is close abut be provided with it is at least one
4th O-ring and at least one 4th bilateral conical surface gasket ring.
16. according to claim 15 described device, it is characterised in that
Close abut is provided with the 4th O successively between the second water collar flange and the other end of second time sealing flange
Type circle, the 4th bilateral conical surface gasket ring, the 4th O-ring.
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|---|---|---|---|
| CN201711071980.4A CN107764436B (en) | 2017-11-03 | 2017-11-03 | Tungsten-rhenium thermocouple calibration device |
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|---|---|---|---|
| CN201711071980.4A CN107764436B (en) | 2017-11-03 | 2017-11-03 | Tungsten-rhenium thermocouple calibration device |
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| CN107764436B CN107764436B (en) | 2020-03-20 |
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| CN107764436B (en) | 2020-03-20 |
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