CN201731770U - Pressure-resistant flange for mounting and fixing thermocouple on industrial furnace - Google Patents
Pressure-resistant flange for mounting and fixing thermocouple on industrial furnace Download PDFInfo
- Publication number
- CN201731770U CN201731770U CN2010202063479U CN201020206347U CN201731770U CN 201731770 U CN201731770 U CN 201731770U CN 2010202063479 U CN2010202063479 U CN 2010202063479U CN 201020206347 U CN201020206347 U CN 201020206347U CN 201731770 U CN201731770 U CN 201731770U
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- CN
- China
- Prior art keywords
- thermocouple
- flange
- blind flange
- rubber plug
- guide head
- 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.)
- Expired - Fee Related
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- 229920002379 silicone rubber Polymers 0.000 claims abstract description 40
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 21
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052750 molybdenum Inorganic materials 0.000 abstract description 7
- 239000011733 molybdenum Substances 0.000 abstract description 7
- 238000005245 sintering Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000004945 silicone rubber Substances 0.000 abstract 3
- 230000001681 protective effect Effects 0.000 abstract 2
- 238000009413 insulation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 229920001342 Bakelite® Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000004637 bakelite Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses a pressure-resistant flange for mounting and fixing a thermocouple on an industrial furnace. The pressure-resistant flange comprises a thermocouple-fixing high pressure-resistant flange cover, a baffle flange cover, a thermocouple wire front end guide head, a silicone rubber plug, a thermocouple high temperature-resistant porcelain protective sleeve and a thermocouple wire guide head mounted on the baffle flange cover. A hole is formed on the thermocouple-fixing high pressure-resistant flange cover and sealed by the silicone rubber plug, and a thermocouple wire passes through the silicone rubber plug. Due to the enormous pressure inside the industrial furnace, the hole through which the thermocouple wire passes can be ignored, thereby forming seal. The pressure-resistant flange solves the problem of pressure resistance of the temperature-measuring thermocouple molybdenum protective sleeve of the pressure vacuum sintering furnace, lowers the requirement for mechanical structure and strength of the temperature-measuring thermocouple, reduces the use cost of the temperature-measuring thermocouple and improves the economic benefit and the reliability of the measuring element. Besides, the pressure-resistant flange reduces the technical difficulty of on-site equipment maintenance, reduces the easily-worn part for pressure bearing on the furnace body and improves the operating reliability of the whole equipment.
Description
Technical field
The utility model relates to industrial furnace device structure technical field, installs and fixes the withstand voltage method of thermocouple on particularly a kind of industrial furnace.
Background technology
At present, known pressure vacuum sintering furnace temperature thermocouple mainly is that the WRe-526 silk is encapsulated in molybdenum and manages and protects in the cover, by the flange of a perforate, inserts in the stove.Its installation process is as follows, and the opening diameter of flange is managed and protected the big 0.5mm of cover diameter than thermocouple molybdenum, is about 5mm.Manage and protect between the cover and the perforated wall of flange at the thermocouple molybdenum and to settle sealing shroud, make thermocouple become as a whole with flange.Flange is fixed on the body of heater, owing to when stove is worked, 50 atmospheric pressures are arranged in the stove, parts all on the stove housing all need bear 50 atmospheric pressures, and thermocouple and flange are no exception.The pressure-bearing of flange is easy to solve, and technology and design go up to be very easy to realize, and the pressure-bearing portion of thermocouple is for being that molybdenum is managed and protected cover, and be operated under the condition of high temperature, molybdenum is managed and protected the material of cover and is processed with quite high requirement, and difficult technically, homemade thermocouple does not reach specification requirement.The high voltage bearing thermocouple of present domestic use is the product of import U.S. thermocouple company, costs an arm and a leg.
The utility model content
At the problems referred to above, the utility model discloses the withstand voltage flange that installs and fixes thermocouple on a kind of industrial furnace, this flange is made up of the thermocouple wire guide head on the high pressure resistant blind flange of stationary heat galvanic couple, baffle plate blind flange, thermocouple wire front end guide head, silicon rubber plug, thermocouple is high temperature resistant porcelain protecting pipe, the baffle plate blind flange;
The high pressure resistant blind flange of stationary heat galvanic couple center has a hole, this perforate is communicated with card pipe on the high pressure resistant blind flange of stationary heat galvanic couple, thermocouple is high temperature resistant, and the porcelain protecting pipe places the card pipe of the high pressure resistant blind flange of stationary heat galvanic couple, and thermocouple wire front end guide head, the silicon rubber plug all places the perforate on the high pressure resistant blind flange of stationary heat galvanic couple, wherein silicon rubber plug size is mated with this perforate, when placing perforate, the silicon rubber plug just forms a seal with the high pressure resistant blind flange of stationary heat galvanic couple, thermocouple is high temperature resistant porcelain protecting pipe and the thermocouple wire front end first end that leads is right after, the thermocouple wire front end guide head other end then is right after the silicon rubber plug, the silicon rubber plug other end again with the baffle plate blind flange on the thermocouple wire guide head be right after, this thermocouple wire guide head exceeds the high pressure resistant blind flange of stationary heat galvanic couple, and baffle plate blind flange center then is provided with the hole corresponding with this thermocouple wire guide head.
Wherein, the thick 20mm of the high pressure resistant blind flange of described stationary heat galvanic couple, the perforate of place, center is divided into three sections, and two ends are cylindrical, the middle truncated cone-shaped that is, are 5mm, highly are 2mm with a card tube aperture, junction; Other end aperture then is 10mm, highly for 5mm;
Described baffle plate blind flange thickness is 10mm, and perforate aperture, center is 5mm;
Described thermocouple wire front end guide head is divided into two sections, and two sections all cylindrical, and one section its bottom surface diameter that is right after with the silicon rubber plug is 7mm, highly is that 1mm, another section bottom surface diameter are 5mm, highly are 2mm;
Thermocouple wire guide head on the described baffle plate blind flange is divided into two sections, and two sections all cylindrical, and one section its bottom surface diameter that is right after with the silicon rubber plug is 10mm, highly is that 2mm, another section bottom surface diameter are 5mm, highly are 10mm;
Described thermocouple is high temperature resistant, and the porcelain protecting pipe is cylindrical, and the bottom surface diameter is 5mm, highly for 600mm.
The beneficial effects of the utility model are: the pressure vacuum sintering furnace temperature thermocouple molybdenum that has solved present existence is managed and protected the withstand voltage technical problem of cover, frame for movement and mechanical strength specification requirement to temperature thermocouple reduce, use the cost of temperature thermocouple to descend, improved the reliability of economic benefit and detecting element.Make the technical difficulty of field device maintenance also descend thereupon.Reduce a withstand voltage easily worn part on the body of heater, improved equipment operation whole reliability.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the high pressure resistant blind flange structural representation of stationary heat galvanic couple in the utility model;
Fig. 3 is a thermocouple wire front end guide head structural representation in the utility model;
Fig. 4 is the thermocouple wire guide head structural representation on the baffle plate blind flange in the utility model;
Fig. 5 is a baffle plate blind flange structural representation in the utility model.
The specific embodiment
For the easier quilt of the utility model is understood, below in conjunction with the specific embodiment and accompanying drawing the utility model is done to be described in more detail.
Consult Fig. 1 to Fig. 5, install and fix the withstand voltage flange of thermocouple on a kind of industrial furnace, this flange is made up of the thermocouple wire guide head 6 on the high pressure resistant blind flange 1 of stationary heat galvanic couple, baffle plate blind flange 2, thermocouple wire front end guide head 3, silicon rubber plug 4, thermocouple is high temperature resistant porcelain protecting pipe 5, the baffle plate blind flange.
The high pressure resistant blind flange of stationary heat galvanic couple 1 center has a hole 8, this perforate is communicated with card pipe 9 on the high pressure resistant blind flange of stationary heat galvanic couple, thermocouple is high temperature resistant, and porcelain protecting pipe 5 places the card pipe 9 of the high pressure resistant blind flange of stationary heat galvanic couple, and thermocouple wire front end guide head 3, silicon rubber plug 4 all place the perforate 8 on the high pressure resistant blind flange of stationary heat galvanic couple, wherein silicon rubber plug 4 sizes and this perforate coupling just form a seal with the high pressure resistant blind flange of stationary heat galvanic couple when silicon rubber plug 4 places perforate 8.Thermocouple is high temperature resistant, and porcelain protecting pipe 5 is right after with thermocouple wire front end guide head 3 one ends, thermocouple wire front end guide head 3 other ends then be right after silicon rubber plug 4, silicon rubber plug 4 other ends again with the baffle plate blind flange on thermocouple wire guide head 6 be right after, this thermocouple wire guide head exceeds the high pressure resistant blind flange 1 of stationary heat galvanic couple, and baffle plate blind flange 2 centers then are provided with the hole corresponding with this thermocouple wire guide head 10.
Wherein, the high pressure resistant blind flange 1 of described stationary heat galvanic couple, material is a steel, thick 20mm, place, center perforate 8 is divided into three sections, and two ends are cylindrical, the middle truncated cone-shaped that is, are 5mm, highly are 2mm with a card tube aperture, 9 junction; Other end aperture then is 10mm, highly for 5mm.Be used as fixedly thermocouple wire 7 and the high temperature resistant porcelain protecting pipe 5 of thermocouple, and seal, bear furnace pressure.
Described baffle plate blind flange 2 thickness also have steel material to make, and are 10mm, and perforate aperture, center is 5mm.Be used as the fixedly high temperature resistant porcelain protecting pipe 5 of thermocouple wire 7, silicon rubber plug 4 and thermocouple equally, and seal, bear furnace pressure.
Described thermocouple wire front end guide head 3 is made by bakelite, be divided into two sections, two sections all cylindrical, one section its bottom surface diameter that is right after with silicon rubber plug 4 is 7mm, highly is 1mm, another section bottom surface diameter is 5mm, highly is to be enclosed within 2mm and to play insulation guiding and top silicon rubber plug 4 on the thermocouple wire 7.
Thermocouple wire guide head 6 on the described baffle plate blind flange is also made by bakelite, be divided into two sections, two sections all cylindrical, one section its bottom surface diameter that is right after with silicon rubber plug 4 is 10mm, highly is 2mm, another section bottom surface diameter is 5mm, highly is to be enclosed within 10mm and to play insulation guiding and top silicon rubber plug 4 on the thermocouple wire 7.
Described thermocouple is high temperature resistant porcelain protecting pipe 5 is made by porcelain, and cylindrical, the bottom surface diameter is 5mm, height 600mm, is enclosed within and plays protection and fixation on the thermocouple wire 7.
What adopt among the utility model embodiment is Re-526 thermocouple wire 7,0～1600 ℃ of temperature-measuring range.
During use, at first Re-526 thermocouple wire 7 is penetrated the high temperature resistant porcelain protecting pipe 5 of thermocouple, to penetrate in the card pipe 9 that the high temperature resistant porcelain protecting pipe 5 of the thermocouple of thermocouple wire 7 inserts the high pressure resistant blind flange 1 of stationary heat galvanic couples fixing again, the thermocouple wire 7 that grows the high temperature resistant porcelain protecting pipe 5 of thermocouple just passes high pressure flange, on thermocouple wire 7, put thermocouple wire front end guide head 3 then successively, silicon rubber plug 5, the thermocouple wire guide head 4 of fixing glue plug baffle plate flange, compress one by one, buckle baffle plate blind flange 2 at last.Its operation principle is: when the Re-526 thermocouple wire 7 in the stove is drawn out to outside the stove, the high pressure resistant blind flange 1 of stationary heat galvanic couple has a perforate 8, stove is interlinked to the outside in the stove, be enclosed within the size and the high pressure resistant blind flange 1 bore size coupling of stationary heat galvanic couple of the silicon rubber plug 5 of thermocouple wire 7, picture " stopper " is blocked the flange perforate, with baffle plate blind flange 2 " stopper " pushed down again, the high pressure resistant flange of whole stationary heat galvanic couple has just become a seal, simultaneously, the Re-526 thermocouple wire in the stove has been drawn out to outside the stove.
For the stressed calculating of pressure-containing member: the diameter of silicon rubber plug is 1cm, and area is S=0.5cm
2* π=0.78539815cm
2, the power that acts on whole silicon rubber plug place is for (to press furnace pressure 50Kg/cm
2Meter) F=0.78539815 (cm
2) * 50Kg/cm
2≈ 40Kg, promptly the baffle plate blind flange is stressed is 40Kg.The seal face diameter of the high pressure resistant blind flange of stationary heat galvanic couple is 2.5cm, and area is S=1.25cm
2* π=4.90625cm
2, the power that acts on the high pressure resistant flange of whole stationary heat galvanic couple is for (to press furnace pressure 50Kg/cm
2Meter) F=4.90625 (cm
2) * 50Kg/cm
2≈ 250Kg, the power that is assigned to each set bolt is about 65Kg.
State of temperature about temperature-measuring part: the front end of the front end of thermocouple wire 7 and thermocouple are high temperature resistant porcelain protecting pipe 5 is inserted into high-temperature region in the heat-insulation layer, heat-insulation layer then is a low temperature to the stiff end of high pressure flange outward, therefore, the parts silicon rubber plug 4 of thermocouple wire 7 rear ends and the thermocouple wire guide head 6 on the baffle plate blind flange temperature of bearing is not more than 100 ℃.
Because silicon rubber plug 4 is compressible distortion, very tiny thermocouple wire 7 as Φ 0.2mm passes silicon rubber plug 4 and can cause damage to it hardly, in the perforate of high pressure flange after the compression, all slits can be filled full, thereby make the high pressure resistant flange of whole stationary heat galvanic couple just become a seal, furnace pressure is all born by high pressure flange, and the high temperature resistant porcelain protecting pipe 5 of thermocouple wire 7 and thermocouple structurally becomes the parts that are enclosed in the stove, no longer pressure-bearing.
Claims (6)
1. install and fix the withstand voltage flange of thermocouple on the industrial furnace, it is characterized in that: this flange is made up of the thermocouple wire guide head on the high pressure resistant blind flange of stationary heat galvanic couple, baffle plate blind flange, thermocouple wire front end guide head, silicon rubber plug, thermocouple is high temperature resistant porcelain protecting pipe, the baffle plate blind flange;
The high pressure resistant blind flange of stationary heat galvanic couple center has a hole, this perforate is communicated with card pipe on the high pressure resistant blind flange of stationary heat galvanic couple, thermocouple is high temperature resistant, and the porcelain protecting pipe places the card pipe of the high pressure resistant blind flange of stationary heat galvanic couple, and thermocouple wire front end guide head, the silicon rubber plug all places the perforate on the high pressure resistant blind flange of stationary heat galvanic couple, wherein silicon rubber plug size is mated with this perforate, when placing perforate, the silicon rubber plug just forms a seal with the high pressure resistant blind flange of stationary heat galvanic couple, thermocouple is high temperature resistant porcelain protecting pipe and the thermocouple wire front end first end that leads is right after, the thermocouple wire front end guide head other end then is right after the silicon rubber plug, the silicon rubber plug other end again with the baffle plate blind flange on the thermocouple wire guide head be right after, this thermocouple wire guide head exceeds the high pressure resistant blind flange of stationary heat galvanic couple, and baffle plate blind flange center then is provided with the hole corresponding with this thermocouple wire guide head.
2. according to the withstand voltage flange that installs and fixes thermocouple on the described a kind of industrial furnace of claim 1, it is characterized in that: the thick 20mm of the high pressure resistant blind flange of described stationary heat galvanic couple, the perforate of place, center is divided into three sections, two ends are cylindrical, the middle truncated cone-shaped that is, are 5mm, highly are 2mm with a card tube aperture, junction; Other end aperture then is 10mm, highly for 5mm.
3. according to the withstand voltage flange that installs and fixes thermocouple on the described a kind of industrial furnace of claim 1, it is characterized in that: described baffle plate blind flange thickness is 10mm, and perforate aperture, center is 5mm.
4. according to the withstand voltage flange that installs and fixes thermocouple on the described a kind of industrial furnace of claim 1, it is characterized in that: described thermocouple wire front end guide head is divided into two sections, two sections all cylindrical, one section its bottom surface diameter that is right after with the silicon rubber plug is 7mm, highly is that 1mm, another section bottom surface diameter are 5mm, highly are 2mm.
5. according to the withstand voltage flange that installs and fixes thermocouple on the described a kind of industrial furnace of claim 1, it is characterized in that: the thermocouple wire guide head on the described baffle plate blind flange is divided into two sections, two sections all cylindrical, one section its bottom surface diameter that is right after with the silicon rubber plug is 10mm, highly is that 2mm, another section bottom surface diameter are 5mm, highly are 10mm.
6. according to the withstand voltage flange that installs and fixes thermocouple on the described a kind of industrial furnace of claim 1, it is characterized in that: described thermocouple is high temperature resistant, and the porcelain protecting pipe is cylindrical, and the bottom surface diameter is 5mm, highly for 600mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202063479U CN201731770U (en) | 2010-05-26 | 2010-05-26 | Pressure-resistant flange for mounting and fixing thermocouple on industrial furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202063479U CN201731770U (en) | 2010-05-26 | 2010-05-26 | Pressure-resistant flange for mounting and fixing thermocouple on industrial furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201731770U true CN201731770U (en) | 2011-02-02 |
Family
ID=43522927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202063479U Expired - Fee Related CN201731770U (en) | 2010-05-26 | 2010-05-26 | Pressure-resistant flange for mounting and fixing thermocouple on industrial furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201731770U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136321A (en) * | 2015-09-11 | 2015-12-09 | 河南省天利工业炉有限公司 | Integrally-brick-plugged type thermocouple of induction heating furnace |
| CN106568713A (en) * | 2015-10-12 | 2017-04-19 | 宝钢特钢有限公司 | High temperature laser confocal microscope apparatus with temperature calibration device and temperature calibration method thereof |
| WO2020007162A1 (en) * | 2018-07-04 | 2020-01-09 | Wika Alexander Wiegand Se & Co. Kg | Thermocouple structure |
-
2010
- 2010-05-26 CN CN2010202063479U patent/CN201731770U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136321A (en) * | 2015-09-11 | 2015-12-09 | 河南省天利工业炉有限公司 | Integrally-brick-plugged type thermocouple of induction heating furnace |
| CN106568713A (en) * | 2015-10-12 | 2017-04-19 | 宝钢特钢有限公司 | High temperature laser confocal microscope apparatus with temperature calibration device and temperature calibration method thereof |
| WO2020007162A1 (en) * | 2018-07-04 | 2020-01-09 | Wika Alexander Wiegand Se & Co. Kg | Thermocouple structure |
| US12072247B2 (en) | 2018-07-04 | 2024-08-27 | Wika Alexander Wiegand Se & Co. Kg | Thermocouple structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20120526 |