CN207850059U - A kind of novel cooling characteristics tester heating furnace chamber structure - Google Patents
A kind of novel cooling characteristics tester heating furnace chamber structure Download PDFInfo
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- CN207850059U CN207850059U CN201721875432.2U CN201721875432U CN207850059U CN 207850059 U CN207850059 U CN 207850059U CN 201721875432 U CN201721875432 U CN 201721875432U CN 207850059 U CN207850059 U CN 207850059U
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- heating furnace
- refractory brick
- cooling characteristics
- chamber structure
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Abstract
The utility model discloses a kind of novel cooling characteristics tester heating furnace chamber structures, belong to cooling technical field of measurement and test, including top refractory brick, refractory brick bottom plug and the heating furnace core being arranged between top refractory brick and refractory brick bottom plug, heating furnace core is silicon carbide external fiber tube, it is wound with heater strip on silicon carbide external fiber tube, it is arranged with heat-preservation cotton outside heating furnace core and heater strip, heat-preservation cotton is arranged between top refractory brick and refractory brick bottom plug, and silicon carbide external fiber tube uses silicon carbide ceramic.The utility model has heating power high when being heated to probe, and the heating-up time is short, the good requirement of temperature uniformity, ensures that the temperature difference is less than 5 DEG C in uniform temperature zone, prevents burner hearth blunt temperature excessively high, influences the accuracy of test.
Description
Technical field
The utility model is related to a kind of heating furnace burner hearths, more particularly to a kind of novel cooling characteristics tester heating-furnace
Thorax structure belongs to cooling technical field of measurement and test.
Background technology
Currently, it is by analyzing hardening media cooling towers group, state to judge the effective method of hardening media cooling performance
Family has formulated the standard of related fields,《GB/T 30823-2014 measure the nickel alloy probe experiments of industry quenching oil cooling performance
Method》, and the purpose of heating furnace is will to pop one's head in be heated to set temperature, is required in this standard criterion：Probe is heated to 850
DEG C ± 5 DEG C, heating furnace burner hearth need to use resistance tube furnace, can horizontally or vertically, can be in the heating zone not less than 120mm
Constant temperature is kept, probe should be placed on heating district center, and in 60mm length ranges, the temperature change of probe is no more than ± 2.5 DEG C, but
The portable cooling characteristics tester heating furnace burner hearth that the country uses at present is difficult to ensure that effective samming region, or even some are deposited
In serious blunt temperature phenomenon, test probe, such as 860 DEG C of set temperature are easily damaged, serious meeting blunt temperature is to 900 DEG C or more.
Utility model content
The main purpose of the utility model is to provide for a kind of novel cooling characteristics tester heating furnace chamber structure, leads to
The structure for crossing optimization heating furnace burner hearth furnace core makes heating furnace when being heated to probe, realizes that heating power is high, the heating-up time
It is short, the good purpose of temperature uniformity.
The purpose of this utility model can reach by using following technical solution：
A kind of novel cooling characteristics tester heating furnace chamber structure, including top refractory brick, refractory brick bottom plug and
The heating furnace core being arranged between the top refractory brick and the refractory brick bottom plug, the heating furnace core are carbonization
Silicon external fiber tube is wound with heater strip on the silicon carbide external fiber tube, guarantor is arranged with outside the heating furnace core and the heater strip
Wen Mian, the heat-preservation cotton are arranged between the top refractory brick and the refractory brick bottom plug, the silicon carbide external fiber tube
It is more than the silicon carbide ceramic of 35mm using diameter, wall thickness is more than 3.0mm, and the diameter of the heater strip is less than 10mm, to carry
The high heating-furnace in-core heat radiation surface, the refractory brick bottom plug is for preventing from radiating.
Preferable scheme is that the heating-furnace in-core is equipped with hearth thermocouple temperature measuring point and probe thermocouple temperature measurement point,
The hearth thermocouple temperature measuring point and the probe thermocouple temperature measurement point are in same level height, for ensureing testing setup temperature
Degree is consistent with actual temperature.
In any of the above-described scheme preferably, the junction of the top refractory brick and the heating furnace core is equipped with recessed
Slot, for the top refractory brick with the heating furnace core by the groove clamping, the groove depth of the groove is more than 3mm.
In any of the above-described scheme preferably, the middle part of the top refractory brick is equipped with stainless steel metal pullover, described
The diameter of stainless steel metal pullover is more than 18mm.
In any of the above-described scheme preferably, the top of the top refractory brick is the circle that diameter is more than 150mm, the circle
Wall thickness be more than 15mm.
In any of the above-described scheme preferably, the heating furnace core be the burner hearth with through-hole, the burner hearth it is interior
Diameter is more than 35mm, and the wall thickness of the burner hearth is more than 3.0mm.
In any of the above-described scheme preferably, the outer ring of the heating furnace core is uniformly equipped with rotating gravure, described
Heater strip is uniformly wrapped in the rotating gravure.
In any of the above-described scheme preferably, the diameter of the heater strip is less than 10mm.
In any of the above-described scheme preferably, the middle part of the refractory brick bottom plug is equipped with groove, and the groove is used
It is unlikely to tilt in keeping the heating furnace core vertical.
In any of the above-described scheme preferably, the pedestal of the refractory brick bottom plug is the circle that diameter is more than 150mm.
The advantageous effects of the utility model：According to the novel cooling characteristics tester heating furnace burner hearth of the utility model
Structure, novel cooling characteristics tester heating furnace chamber structure provided by the utility model, by optimizing heating furnace burner hearth furnace core
Structure design, reach heating furnace when being heated to probe, have heating power high, the heating-up time is short, temperature uniformity
Good requirement ensures that out of probe bottommost 120mm, 5 DEG C of temperature difference ＜ in uniform temperature zone prevents burner hearth blunt temperature excessively high, influences
The accuracy of test, the effective length of probe is from least significant end up 70mm length, and the probe temperature of heating is from the positions 70mm of low side
Place is set, temperature uniformity is within 5 DEG C, and actual temperature is consistent with the temperature of setting.
Description of the drawings
Fig. 1 is the preferred embodiment according to the novel cooling characteristics tester heating furnace chamber structure of the utility model
Overall structure diagram；
Fig. 2 is the preferred embodiment according to the novel cooling characteristics tester heating furnace chamber structure of the utility model
Heating furnace burner hearth top structure schematic diagram；
Fig. 3 is the preferred embodiment according to the novel cooling characteristics tester heating furnace chamber structure of the utility model
Heating furnace core structural schematic diagram；
Fig. 4 is the preferred embodiment according to the novel cooling characteristics tester heating furnace chamber structure of the utility model
Heating furnace bottom plug structural schematic diagram.
In figure：Refractory brick at the top of 1-, 2- heater strips, 3- heat-preservation cottons, 4- heating furnace cores, 5- refractory brick bottom plugs, 6-
Furnace core.
Specific implementation mode
To make the more clear and clear the technical solution of the utility model of those skilled in the art, with reference to embodiment and
Attached drawing is described in further detail the utility model, and however, the embodiments of the present invention are not limited thereto.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of novel cooling characteristics tester heating furnace burner hearth provided in this embodiment
Structure, including top refractory brick 1, refractory brick bottom plug 5 and setting are stifled in the top refractory brick 1 and the refractory brick bottom
Heating furnace core 4 between first 5, it is characterised in that：The heating furnace core 4 is silicon carbide external fiber tube, the outer silk of the silicon carbide
It is wound with heater strip 2 on pipe, heat-preservation cotton 3 is arranged with outside the heating furnace core 4 and the heater strip 2, the heat-preservation cotton 3 is arranged
Between the top refractory brick 1 and the refractory brick bottom plug 5, the silicon carbide external fiber tube is using diameter more than 35mm's
Silicon carbide ceramic, wall thickness are more than 3.0mm, and the diameter of the heater strip 2 is less than 10mm, to improve the heating furnace core 4
Interior heat radiation surface, the refractory brick bottom plug 5 is for preventing from radiating.
Further, in the present embodiment, hearth thermocouple temperature measuring point and probe thermoelectricity are equipped in the heating furnace core 4
Even temperature measuring point, the hearth thermocouple temperature measuring point and the probe thermocouple temperature measurement point are in same level height, for ensureing
Testing setup temperature is consistent with actual temperature.
Further, in the present embodiment, as shown in Fig. 2, the company of the top refractory brick 1 and the heating furnace core 4
It meets place and is equipped with groove, the top refractory brick 1 passes through the groove clamping, the groove depth of the groove with the heating furnace core 4
More than 3mm, the middle part of the top refractory brick 1 is equipped with stainless steel metal pullover, and the diameter of the stainless steel metal pullover is more than
18mm, the top of the top refractory brick 1 are the circle that diameter is more than 150mm, and the wall thickness of the circle is more than 15mm, using refractory brick material
Matter, top are the circles that diameter is more than 150mm, and wall thickness is more than 15mm, and increasing the thickness of wall can prevent heating furnace from radiating outward, prevents
Only furnace wall surface temperature is excessively high, and centre uses stainless steel metal pullover, and the diameter of metal pullover is more than 18mm, and the diameter popped one's head in
For 12.5mm, can prevent from popping one's head in into flake hearth-tapping scratch surface, there are one the grooves that thickness is more than 3mm for bottom, for fixation
Heating furnace core prevents burner hearth from shaking in heating furnace.
Further, in the present embodiment, described as shown in figure 3, the heating furnace core 4 is the burner hearth with through-hole
The internal diameter of burner hearth is more than 35mm, and the wall thickness of the burner hearth is more than 3.0mm, and the outer ring of the heating furnace core 4 is uniformly equipped with rotation
Turn groove, the heater strip 2 is uniformly wrapped in the rotating gravure, and the diameter of the heater strip 2 is less than 10mm, in burner hearth
Diameter is more than the silicon carbide ceramic of 35mm, and wall thickness is more than 3.0mm, and the outer silk diameter of spiral is less than 10mm, using the burner hearth of major diameter
Inner wall can effectively improve the region of heat radiation, can be radiated to burner hearth non-uniform areas, improve the stove in burner hearth
The furnace wall of warm uniformity, burner hearth uses silicon carbide material, and silicon carbide stable chemical performance, thermal coefficient is high, and coefficient of thermal expansion is small,
Intensity is high, good energy-conserving effect, and the silicon carbide of recrystallization can be used to 1650 DEG C, and the uniform outer wall external fiber tube of structure winds shape
Formula ensure that heater strip is evenly distributed in hearth outer wall, improve the efficiency of production.
Further, in the present embodiment, as shown in figure 4, the middle part of the refractory brick bottom plug 5 is equipped with groove, institute
It states groove to be unlikely to tilt for keeping the heating furnace core 4 vertical, the pedestal of the refractory brick bottom plug 5 is diameter
Circle more than 150mm, the pedestal of bottom plug are the circle that diameter is more than 150mm, and centre is opened up there are one groove, for the ease of visiting
It keeps vertical when head is inserted into burner hearth and is unlikely to tilt, bottom plug can prevent burner hearth bottom from quickly radiating.
Further, in the present embodiment, the outer wall of the main furnace core of groove card of top refractory brick prevents heating furnace core from shaking
Dynamic, for heating wire winding outside heating furnace core, the refractory brick plug of heating furnace is inserted into heating-furnace in-core, prevents temperature from dissipating
Heat carries out insulation using heat-preservation cotton.
In conclusion in the present embodiment, according to the novel cooling characteristics tester heating furnace chamber structure of the present embodiment,
Novel cooling characteristics tester heating furnace chamber structure provided in this embodiment, the structure by optimizing heating furnace burner hearth furnace core are set
Meter reaches heating furnace when being heated to probe, has heating power high, and the heating-up time is short, the good requirement of temperature uniformity,
Ensure out of probe bottommost 120mm, 5 DEG C of temperature difference ＜ in uniform temperature zone prevent burner hearth blunt temperature excessively high, influence the accurate of test
Property, the effective length of probe is from least significant end up 70mm length, and for the probe temperature of heating from the positions 70mm of low side, temperature is equal
Even property is within 5 DEG C, and actual temperature is consistent with the temperature of setting.
The above, only the utility model further embodiment, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art is according to the present utility model in range disclosed in the utility model
Technical solution and its design are subject to equivalent substitution or change, belong to the scope of protection of the utility model.
Claims (10)
1. a kind of novel cooling characteristics tester heating furnace chamber structure, including top refractory brick (1), refractory brick bottom plug
(5) and heating furnace core (4) between the top refractory brick (1) and the refractory brick bottom plug (5), feature be set
It is：The heating furnace core (4) is silicon carbide external fiber tube, and heater strip (2) is wound on the silicon carbide external fiber tube, described to add
Heat-preservation cotton (3) is arranged with outside hot stove furnace core (4) and the heater strip (2), the heat-preservation cotton (3) is arranged in the top refractory brick
(1) between the refractory brick bottom plug (5), the silicon carbide external fiber tube is more than the silicon carbide ceramics of 35mm using diameter
Pipe, wall thickness are more than 3.0mm, and the diameter of the heater strip (2) is less than 10mm, to improve hot spoke in the heating furnace core (4)
Face is penetrated, the refractory brick bottom plug (5) is for preventing from radiating.
2. a kind of novel cooling characteristics tester heating furnace chamber structure according to claim 1, it is characterised in that：It is described
Be equipped with hearth thermocouple temperature measuring point and probe thermocouple temperature measurement point in heating furnace core (4), the hearth thermocouple temperature measuring point and
The probe thermocouple temperature measurement point is in same level height, for ensureing that testing setup temperature is consistent with actual temperature.
3. a kind of novel cooling characteristics tester heating furnace chamber structure according to claim 1, it is characterised in that：It is described
The junction of top refractory brick (1) and the heating furnace core (4) is equipped with groove, the top refractory brick (1) and the heating
Stove furnace core (4) is more than 3mm by the groove clamping, the groove depth of the groove.
4. a kind of novel cooling characteristics tester heating furnace chamber structure according to claim 1, it is characterised in that：It is described
The middle part of top refractory brick (1) is equipped with stainless steel metal pullover, and the diameter of the stainless steel metal pullover is more than 18mm.
5. a kind of novel cooling characteristics tester heating furnace chamber structure according to claim 1, it is characterised in that：It is described
The top of top refractory brick (1) is the circle that diameter is more than 150mm, and the wall thickness of the circle is more than 15mm.
6. a kind of novel cooling characteristics tester heating furnace chamber structure according to claim 1, it is characterised in that：It is described
Heating furnace core (4) is the burner hearth with through-hole, and the internal diameter of the burner hearth is more than 35mm, and the wall thickness of the burner hearth is more than 3.0mm.
7. a kind of novel cooling characteristics tester heating furnace chamber structure according to claim 1, it is characterised in that：It is described
The outer ring of heating furnace core (4) is uniformly equipped with rotating gravure, and the heater strip (2) is uniformly wrapped in the rotating gravure
It is interior.
8. a kind of novel cooling characteristics tester heating furnace chamber structure according to claim 1, it is characterised in that：It is described
The diameter of heater strip (2) is less than 10mm.
9. a kind of novel cooling characteristics tester heating furnace chamber structure according to claim 1, it is characterised in that：It is described
The middle part of refractory brick bottom plug (5) is equipped with groove, and the groove is unlikely to for keeping the heating furnace core (4) vertical
It tilts.
10. a kind of novel cooling characteristics tester heating furnace chamber structure according to claim 1, it is characterised in that：Institute
The pedestal for stating refractory brick bottom plug (5) is the circle that diameter is more than 150mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721875432.2U CN207850059U (en) | 2017-12-28 | 2017-12-28 | A kind of novel cooling characteristics tester heating furnace chamber structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721875432.2U CN207850059U (en) | 2017-12-28 | 2017-12-28 | A kind of novel cooling characteristics tester heating furnace chamber structure |
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| Publication Number | Publication Date |
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| CN207850059U true CN207850059U (en) | 2018-09-11 |
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ID=63419487
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721875432.2U Active CN207850059U (en) | 2017-12-28 | 2017-12-28 | A kind of novel cooling characteristics tester heating furnace chamber structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074553A (en) * | 2021-03-30 | 2021-07-06 | 马鞍山钢铁股份有限公司 | Metal bath electric heating furnace for measuring fluidity of coking coal |
-
2017
- 2017-12-28 CN CN201721875432.2U patent/CN207850059U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074553A (en) * | 2021-03-30 | 2021-07-06 | 马鞍山钢铁股份有限公司 | Metal bath electric heating furnace for measuring fluidity of coking coal |
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