CN105043594B - Air-cooled electric thermo-couple test furnace of heat-insulation layer and preparation method thereof - Google Patents
Air-cooled electric thermo-couple test furnace of heat-insulation layer and preparation method thereof Download PDFInfo
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- CN105043594B CN105043594B CN201510573553.0A CN201510573553A CN105043594B CN 105043594 B CN105043594 B CN 105043594B CN 201510573553 A CN201510573553 A CN 201510573553A CN 105043594 B CN105043594 B CN 105043594B
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Abstract
The present invention provides a kind of air-cooled electric thermo-couple test furnace of heat-insulation layer and preparation method thereof, including calibrating body of heater, furnace tube, insulation isolated tube, heating wire, heat-insulation layer, forced air cooled tube, high speed ventilating fan, exhausting window, air intake window.It the advantage is that：4 forced air cooled tubes are symmetrical arranged in heat-insulation layer, each forced air cooled tube one end sets high speed ventilating fan, the amount of stored heat in electric thermo-couple test furnace heat-insulation layer can efficiently be discharged, so as to the in-furnace temperature of rapid reduction electric thermo-couple test furnace, utilization rate of equipment and installations is improved, thermocouple calibration operating efficiency is substantially increased, and it is easy to manufacture, easy to use, without any attached operation, be conducive to Automation of Manufacturing Process.
Description
Technical field
Patent of the present invention belongs to temperature measurement technical field, more particularly to a kind of air-cooled electric thermo-couple test furnace of heat-insulation layer.
Background technology
Assay furnace is common temperature element (TE calibration equipment.Currently, assay furnace be widely used in industrial and agricultural production field and
Field is tested in scientific research.The basic structure of traditional assay furnace is to wind heating wire outside furnace tube to cover insulation isolated tube again, is protected
Insulation material is filled between warm isolated tube and shell, heat-insulation layer is formed.In order that the temperature of the thermal field in furnace tube is constant, change
Rate is small, and heat-insulation layer is specially designed in certain thickness and using the heat-barrier material of low heat transfer coefficient.However, when pre- according to one group
If during calibrating point calibrating, inspection set point temperature is gradually improved, and is completed until peak temperature is examined and determine.If thinking to start next group inspection as early as possible
It is fixed, natural cooling cooling very slow problem will be run into.Completed generally in 2 hours after verification task, furnace temperature may rise to very
Elevated operating temperature, such as 1000 DEG C.To cool by natural cooling, furnace temperature is down to 50 DEG C from 1000 DEG C, 8 hours may be spent
Time above.Therefore, necessary research and solve the problem of cooling of assay furnace natural cooling is too slow.
It is proposed that crossing " furnace for verification use of energy-efficient air-cooled thermocouple ", the assay furnace packs into one equivalent to traditional assay furnace
In individual big shell, its bottom is blown equipped with blower fan against traditional calibrating stove outer covering, and two sides of big shell are provided with vent window.By
First to be passed in the accumulation of heat in the cooling that this is mainly designed to strengthen calibrating stove outer covering, furnace tube with heat-insulation layer outside assay furnace
Shell, then could be air-cooled.Cooling effectiveness is not high.
It is proposed that crossing " special temperature-reduction accelerator for horizontal type thermocouple testing furnace ".The cooling tube for the accelerator that cools is injected and treats cold
But in electric thermo-couple test furnace furnace tube, start blower fan and begin to accelerate cooling.The accumulation of heat of furnace tube and heat-insulation layer is first transmitted to cold
But manage, then taken away by cold wind stream.Due to being the higher temperature area inside assay furnace at furnace tube, so its air-cooled efficiency far is high
In the device that the progress at calibrating stove outer covering is air-cooled.The accumulation of heat of this cooling accelerator heat-insulation layer will first pass to furnace tube, then pass
Could be air-cooled to cooling tube, a process being manually intubated is needed although cooling effectiveness is very high, when using.
" Wind cooling temperature reducing device of electric thermo-couple test furnace ".The device is also cooled hearth pipe, but the device has used micro-
Type blower fan, to prevent hyperthermia radiation damages blower fan from also needing using bend pipe structure design.And the device is not cooled down with penetration type
Pipe, needs alignment furnace tube port blowing when using, working chamber earthenware easily bursts.
At present, this several device not can solve the problem of natural cooling cooling is too slow.
The content of the invention
Cause the problem of operational efficiency is low slowly very much to solve the cooling of electric thermo-couple test furnace natural cooling, patent of the present invention
Purpose be that there is provided a kind of air-cooled electric thermo-couple test furnace of new heat-insulation layer come solve above-mentioned prior art presence lack
Fall into.
The present invention provides a kind of air-cooled electric thermo-couple test furnace of heat-insulation layer, including calibrating body of heater, furnace tube, insulation isolation
Pipe, heating wire, heat-insulation layer, forced air cooled tube, high speed ventilating fan, exhausting window, air intake window；Examining and determine body of heater includes inner casing, shell and pillar,
Shell chamber is formed in the middle of inner casing and shell to be supported with pillar；Wind heating wire outside furnace tube, outside set insulation isolated tube through
Examine and determine and working chamber is formed on the inside of body of heater center, furnace tube, heat-insulation layer is formed between insulation isolated tube and inner casing；It is symmetrical in heat-insulation layer
4 forced air cooled tubes are set, and each forced air cooled tube one end sets high speed ventilating fan, and high speed ventilating fan is located at shell intracavitary；Positioned at high speed air draft
Air intake window is set on the shell for fanning one end, and the other end sets exhausting window.
Further, the present invention provides a kind of air-cooled electric thermo-couple test furnace of heat-insulation layer, can also have the feature that：4
Individual forced air cooled tube is positioned at the southeast of radial section, northeast, northwest, southwestern four direction.
Further, the present invention provides a kind of air-cooled electric thermo-couple test furnace of heat-insulation layer, can also have the feature that：4
Individual forced air cooled tube is arranged on to be incubated in the near same radius round wires of isolated tube at a distance apart from shell.
Further, the present invention provides a kind of air-cooled electric thermo-couple test furnace of heat-insulation layer, can also have the feature that：Protect
Warm layer fills the heat-barrier material of low heat transfer coefficient.
In addition, the present invention provides a kind of preparation method of the air-cooled electric thermo-couple test furnace of heat-insulation layer, comprise the following steps：Step
Rapid A:Heating wire is wound outside furnace tube, and is lived with insulation isolation pipe sleeve；Step B:The furnace tube that will be lived with insulation isolation pipe sleeve
It is fixed on assay furnace body Nei Kezhou centers；Insulation material is filled in heat-insulation layer between inner casing and insulation isolated tube；Step
C：In embedded 4 forced air cooled tubes through calibrating body of heater of heat-insulation layer；Step D：High speed air draft is installed in same one end of each forced air cooled tube
Fan；Step E：The shell of calibrating body of heater is installed, inner casing and shell is fixed with pillar.
Further, the present invention provides a kind of preparation method of the air-cooled electric thermo-couple test furnace of heat-insulation layer, can also have this
The feature of sample：In step E exhausting window and air intake window are provided with shell.
The beneficial effect of invention
The present invention provides a kind of air-cooled electric thermo-couple test furnace of heat-insulation layer, and the heat-insulation layer of assay furnace has been arranged symmetrically 4 wind
Cold pipe a, side of each forced air cooled tube is equipped with high speed ventilating fan, and high speed ventilating fan can efficiently discharge electric thermo-couple test furnace insulation
Amount of stored heat in layer, so as to the in-furnace temperature of rapid reduction electric thermo-couple test furnace, improves utilization rate of equipment and installations, substantially increases
Thermocouple calibration operating efficiency.
The present invention provides a kind of air-cooled electric thermo-couple test furnace of heat-insulation layer, designed heat-insulation layer wind cooling temperature lowering thermocouple inspection
It is the scientific design that heat-insulation layer Wind cooling temperature reducing device and electric thermo-couple test furnace combine together to determine stove, easy to manufacture, easy to use,
Without any attached operation, be conducive to Automation of Manufacturing Process.
The present invention provides a kind of air-cooled electric thermo-couple test furnace of heat-insulation layer, and the Wind cooling temperature reducing device is not located at assay furnace
At furnace tube, it can ensure not produce added influence to Measurement Verification Work during wind cooling temperature lowering.For example, without taking out tested thermoelectricity
It is even, without emptying the temperature element in furnace tube.
The present invention provides a kind of air-cooled electric thermo-couple test furnace of heat-insulation layer, and the heat-insulation layer wind cooling temperature lowering electric thermo-couple test furnace is set
Meter is simple, be easily achieved.High speed ventilating fan is the energy-saving product of high-quality, strong wind, high temperature resistant, low noise, high life.
So, the present invention provides a kind of air-cooled electric thermo-couple test furnace of heat-insulation layer, can reduce electric thermo-couple test furnace oneself
Right temperature fall time, can guarantee that and does not produce added influence to Measurement Verification Work during wind cooling temperature lowering, substantially increase thermocouple inspection again
Determine operating efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of heat-insulation layer wind cooling temperature lowering electric thermo-couple test furnace.
Embodiment
The present invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As illustrated, heat-insulation layer wind cooling temperature lowering electric thermo-couple test furnace includes calibrating body of heater 10, furnace tube 1, heating wire 2, guarantor
Warm isolated tube 3, heat-insulation layer 9, forced air cooled tube 5, high speed ventilating fan 6, exhausting window 7, air intake window 8.
Calibrating body of heater 10 is made up of inner casing 10-1, shell 10-2 and pillar 10-3, is used between inner casing 10-1 and shell 10-2
Pillar 10-3 is supported, and middle formation shell chamber 10-4.
The outside of furnace tube 1 winding heating wire 2 is simultaneously entangled with insulation isolated tube 3.Isolated tube 3 is incubated through assay furnace
The center of body 10.The inner side of furnace tube 1 forms working chamber, for examining and determine the validity of temperature element.It is incubated isolated tube 3 and calibrating body of heater
Heat-insulation layer 9 is formed between 10 inner casing 10-1, the heat-barrier material of low heat transfer coefficient is filled in heat-insulation layer 9, it is ensured that in furnace tube
The temperature of thermal field is constant, rate of change is small.
The southeast, northeast, northwest, west that 4 forced air cooled tubes, 5,4 forced air cooled tubes 5 are located at radial section are symmetrical arranged in heat-insulation layer 9
On southern four direction, it is incubated at a distance in the near same radius round wires of isolated tube 3 apart from shell 10-2.Forced air cooled tube 5 is led using height
Hot material is made, and efficiently transfers out the accumulation of heat of heat-insulation layer 9.The caliber of forced air cooled tube 5 and be incubated isolated tube 3 distance parameter value be
Determined by multiple radiating effect Optimum Experiment.One end of each forced air cooled tube 5 sets high speed ventilating fan 6, high speed ventilating fan 6
In shell chamber 10-4.High speed ventilating fan 6 is the energy-saving product using high-quality, strong wind, high temperature resistant, low noise, height
Life-span.Air intake window 7 is set on the shell 10-2 of the one end of high speed ventilating fan 6, and the other end sets exhausting window 8.When high speed air draft
After fan 6 starts, ambient wind is discharged into by forced air cooled tube 5 by air intake window 7, cold wind stream converges by forced air cooled tube 5 and along journey absorption forced air cooled tube 5
Amount of stored heat in the heat-insulation layer 9 of collection, is discharged, the thermal current that forced air cooled tube 5 is discharged passes through tubular again by the another port of forced air cooled tube 5
Radial and axial many air draft shutters of shell 10-2 exhausting window 8 are discharged to outside assay furnace.Thermocouple inspection can be reduced rapidly
The in-furnace temperature for determining stove reaches the effect of fast cooling, improves utilization rate of equipment and installations, substantially increases thermocouple calibration work effect
Rate.
The preparation method of heat-insulation layer wind cooling temperature lowering electric thermo-couple test furnace, comprises the following steps：
Step A:Entangled in the outer winding heating wire 2 of furnace tube 1, and with insulation isolated tube 3.
Step B:The furnace tube 1 entangled with insulation isolated tube 3 is fixed on calibrating body of heater 10 inner casing 10-1 axle center,
Heat-barrier material of the filling with low heat transfer coefficient in heat-insulation layer 9 between inner casing 10-1 and insulation isolated tube 3, it is ensured that furnace tube 1
The temperature of interior thermal field is constant, rate of change is small.
Step C：In embedded 4 forced air cooled tubes 5 through calibrating body of heater of heat-insulation layer 9.
4 embedded forced air cooled tubes 5 are outer in distance on the southeast of radial section, northeast, northwest, southwestern four direction
Shell 10-2 is away from the near same radius round wires of insulation isolated tube 3, and the parameter value of distance is true by multiple radiating effect Optimal Experimental
It is fixed.
Step D：High speed ventilating fan 6 is installed in same one end of each forced air cooled tube 5.
Forced air cooled tube 5 is made of highly heat-conductive material, efficiently to transfer out the accumulation of heat of heat-insulation layer.The caliber of forced air cooled tube 5 passes through
Multiple radiating effect Optimum Experiment is determined.
Step E：The shell 10-2 of calibrating body of heater 10 is installed, air intake window 7 and exhausting window are set respectively at shell 10-2 two ends
8, and fixed inner casing 10-1 and shell 10-2 with pillar 10-3.
Claims (5)
1. a kind of air-cooled electric thermo-couple test furnace of heat-insulation layer, it is characterised in that：Including calibrating body of heater, furnace tube, heating wire, insulation
Isolated tube, heat-insulation layer, forced air cooled tube, high speed ventilating fan, exhausting window, air intake window；
The calibrating body of heater includes forming the shell chamber pillar in the middle of inner casing, shell and pillar, the inner casing and the shell
Support；
The heating wire is wound outside the furnace tube, outside sets the insulation isolated tube through the calibrating body of heater center,
Working chamber is formed on the inside of the furnace tube, the heat-insulation layer is formed between the insulation isolated tube and the inner casing；
4 forced air cooled tubes are symmetrical arranged in the heat-insulation layer, described each forced air cooled tube one end sets the high speed ventilating fan, institute
High speed ventilating fan is stated positioned at the shell intracavitary；4 forced air cooled tubes are arranged on apart from the remote insulation isolation of the shell
In the near same radius round wires of pipe, the air intake window is set on the shell of described high speed ventilating fan one end, the other end is set
Put the exhausting window.
2. the air-cooled electric thermo-couple test furnace of heat-insulation layer according to claim 1, it is characterised in that：4 forced air cooled tube positions
In the southeast of radial section, northeast, northwest, southwestern four direction.
3. the air-cooled electric thermo-couple test furnace of heat-insulation layer according to claim 1, it is characterised in that：The heat-insulation layer filling is low
The heat-barrier material of heat transfer coefficient.
4. a kind of preparation method of the air-cooled electric thermo-couple test furnace of heat-insulation layer, it is characterised in that comprise the following steps：
Step A:Heating wire is wound outside furnace tube, and is lived with insulation isolation pipe sleeve；
Step B:The furnace tube lived with the insulation isolation pipe sleeve is fixed on the assay furnace body Nei Kezhou centers；
Insulation material is filled in heat-insulation layer between the inner casing and the insulation isolated tube；
Step C：In embedded 4 forced air cooled tubes through the calibrating body of heater of the heat-insulation layer；4 forced air cooled tubes are arranged on distance
In the near same radius round wires of the remote insulation isolated tube of shell,
Step D：High speed ventilating fan is installed in same one end of each forced air cooled tube；
Step E：The shell of calibrating body of heater is installed, the inner casing and shell is fixed with pillar.
5. the preparation method of the air-cooled electric thermo-couple test furnace of heat-insulation layer according to claim 4, it is characterised in that：
Described in step E exhausting window and air intake window are provided with shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510573553.0A CN105043594B (en) | 2015-09-10 | 2015-09-10 | Air-cooled electric thermo-couple test furnace of heat-insulation layer and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510573553.0A CN105043594B (en) | 2015-09-10 | 2015-09-10 | Air-cooled electric thermo-couple test furnace of heat-insulation layer and preparation method thereof |
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| CN105043594A CN105043594A (en) | 2015-11-11 |
| CN105043594B true CN105043594B (en) | 2017-10-13 |
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| CN201510573553.0A Expired - Fee Related CN105043594B (en) | 2015-09-10 | 2015-09-10 | Air-cooled electric thermo-couple test furnace of heat-insulation layer and preparation method thereof |
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| CN110017917A (en) * | 2018-01-09 | 2019-07-16 | 北京康斯特仪表科技股份有限公司 | A kind of low temperature stem body temperature checker |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101639390A (en) * | 2009-09-07 | 2010-02-03 | 上海量值测控仪器科技有限公司 | Novel vertical type thermocouple detecting furnace |
| CN102252782A (en) * | 2011-05-10 | 2011-11-23 | 上海量值测控仪器科技有限公司 | Special temperature-reduction accelerator for horizontal type thermocouple testing furnace |
| EP2498074A1 (en) * | 2011-03-07 | 2012-09-12 | Bronlund, Ole Einar | Temperature Calibrator further Development |
| EP2835623A1 (en) * | 2013-08-08 | 2015-02-11 | Tradinco Instrumenten-Apparaten B.V. | Temperature calibration arrangement and calibration oven comprising such an arrangement |
| CN104502000A (en) * | 2014-12-26 | 2015-04-08 | 上海市计量测试技术研究院 | Shallow-type micro temperature calibration furnace and calibration method |
-
2015
- 2015-09-10 CN CN201510573553.0A patent/CN105043594B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101639390A (en) * | 2009-09-07 | 2010-02-03 | 上海量值测控仪器科技有限公司 | Novel vertical type thermocouple detecting furnace |
| EP2498074A1 (en) * | 2011-03-07 | 2012-09-12 | Bronlund, Ole Einar | Temperature Calibrator further Development |
| CN102252782A (en) * | 2011-05-10 | 2011-11-23 | 上海量值测控仪器科技有限公司 | Special temperature-reduction accelerator for horizontal type thermocouple testing furnace |
| EP2835623A1 (en) * | 2013-08-08 | 2015-02-11 | Tradinco Instrumenten-Apparaten B.V. | Temperature calibration arrangement and calibration oven comprising such an arrangement |
| CN104502000A (en) * | 2014-12-26 | 2015-04-08 | 上海市计量测试技术研究院 | Shallow-type micro temperature calibration furnace and calibration method |
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