CN205740735U - A kind of high evenness box-annealing furnace - Google Patents
A kind of high evenness box-annealing furnace Download PDFInfo
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- CN205740735U CN205740735U CN201620591666.3U CN201620591666U CN205740735U CN 205740735 U CN205740735 U CN 205740735U CN 201620591666 U CN201620591666 U CN 201620591666U CN 205740735 U CN205740735 U CN 205740735U
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- box
- annealing furnace
- annealing
- burner hearth
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- 238000000137 annealing Methods 0.000 title claims abstract description 77
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 241000883990 Flabellum Species 0.000 claims description 9
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 9
- 230000003287 optical effect Effects 0.000 abstract description 6
- 230000000630 rising effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 239000011521 glass Substances 0.000 description 9
- 238000009413 insulation Methods 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 4
- 239000005304 optical glass Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 239000005439 thermosphere Substances 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 239000002419 bulk glass Substances 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
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- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
Entitled a kind of high evenness box-annealing furnace of the present utility model.Belong to optical material technical field of heat treatment.The problem that it mainly solves the anneal uniformity difference in existing annealing technology.It is mainly characterized by comprising: described box-annealing furnace be horizontal cross-section be foursquare cubic type box-annealing furnace；Box-annealing furnace burner hearth is provided with heater element along each wall of surrounding, and heater element is externally provided with heat-conducting plate；Being provided with three-dimensional heating post in the middle part of box-annealing furnace burner hearth, heated beam is fixed in the rotary shaft passing through top, rotary shaft with stove outside actuating device be connected.Being greatly improved the warm field uniformity of annealing furnace, when rising gentleness cooling, goods quickly can keep consistent temperature with temperature field, and the center of goods also more they tends to consistent with surface temperature.Using the goods of this utility model annealing, not only individual uniformity is good, and whole stove goods all have high consistency, is suitable for the goods annealing of advanced optical equipment.
Description
Technical field
This utility model belongs to optical material technical field of heat treatment, is specifically related to a kind of first for optical glass or optics
The device of part fine annealing.
Background technology
As goods such as the optical glass of optical system or components and parts, drop to low temperature when producing molding from high temperature, goods
Being restricted by conditions such as shape, cooling rate and ambient temperature differences, the rate of temperature fall at goods edge and center differs greatly, i.e.
The thermal history of each position experience is different, causes existing inside goods thermal stress, there is optical heterogeneity simultaneously, the most same
The stress at goods edge and middle part and refractive index etc. all can there are differences.The internal stress of goods to be eliminated and optical heterogeneity,
Goods edge and middle part must be made again to experience identical thermal history, and this is accomplished by carrying out double annealing.
During double annealing, the most just can ensure that the goods of diverse location can experience identical thermal history in annealing furnace
Always double annealing needs the difficult problem solved.The most frequently used annealing furnace is case structure, and goods load in stove, by annealing
The heater installed on the casing of stove controls the temperature inside the box.Goods basis with the rising of ambient temperature, absorbs heat in stove
Amount heats up, and goods itself are insulated wall, and this can cause the individual quick heating around goods heap, cooling fast, the individuality at center
Intensification is slow, cooling is also slow, and the glass heat historical difference causing center and surrounding is big.
Summary of the invention
The purpose of this utility model is the concordance solving perspective annealing, it is provided that a kind of rational in infrastructure, high
The box-annealing furnace of the uniformity, solves temperature field problem of non-uniform in the annealing furnace after filling glass, by temperature field in annealing furnace
The raising of uniformity, it is achieved the fine annealing of perspective.
The technical solution of this utility model annealing furnace is: a kind of high evenness box-annealing furnace, it is characterised in that: institute
State box-annealing furnace be horizontal cross-section be foursquare cubic type box-annealing furnace；Box-annealing furnace burner hearth sets along each wall of surrounding
Heater element, heater element is had to be externally provided with heat-conducting plate；Being provided with three-dimensional heating post in the middle part of box-annealing furnace burner hearth, heated beam is fixed
In the rotary shaft passing through top, rotary shaft with stove outside actuating device be connected.
Being provided with the second zone of heating in heated beam described in the technical solution of this utility model annealing furnace, second adds
Thermosphere is surrounded by heat conduction cover, and heat is by heat conduction cover to ambient radiation, and heat conduction cover periphery is provided with flabellum, energy when heated beam rotates
Drive the cross-ventilation in burner hearth.
Box-annealing furnace burner hearth bottom described in the technical solution of this utility model annealing furnace is provided with heating unit
Part, heater element is externally provided with heat-conducting plate.
A box-annealing furnace burner hearth center at least heat described in the technical solution of this utility model annealing furnace
Galvanic couple, surrounding each wall upper and lower is respectively distributed a thermocouple.The thermometric of all thermocouples feeds back to control simultaneously
In instrument.
The box-annealing furnace each wall of burner hearth surrounding described in the technical solution of this utility model annealing furnace at least one
Individual face is movable fire door.
Box-annealing furnace combustion space described in the technical solution of this utility model annealing furnace is less than 3 cubic metres,
It is mainly used in be pilot fine annealing.
This utility model is foursquare cubic type box-annealing furnace owing to using in horizontal cross-section, at box-annealing furnace
Burner hearth is provided with heater element along each wall of surrounding, is externally provided with heat-conducting plate at heater element, so can make the heat that heater element produces
Being radiated on heat-conducting plate, heat is radiated in burner hearth by heat-conducting plate more uniformly.It is provided with vertical in the middle part of box-annealing furnace burner hearth
Body heated beam, heated beam is fixed in the rotary shaft passing through top, rotary shaft with stove outside actuating device be connected, actuating device band
Dynamic heated beam rotation, such heated beam rotary heating, by heat-conducting plate by heat to radiation of burner hearth, efficiently solve annealing furnace
The problem that central temperature is low, is greatly improved the warm field uniformity of whole burner hearth.The heating at body of heater four sides uses one group of power supply unit,
Center heated beam is used alone one group of power supply unit, can regulate power respectively.Install in conjunction with the distinctive lehr attendant of this utility model
Standby, goods at least four face to be annealed can be made to be heated the goods layered putting in annealing furnace, such products temperature not only with
Temperature field temperature is highly consistent, and the inside and outside temperature of goods is consistent, and the concordance after goods annealing is annealed far above other
Mode.
This utility model can meet higher annealing temperature, and temperature control is accurate, and temperature field is uniform, is equipped with special frock and annealing
Method, it is possible to achieve optical glass and the fine annealing of components and parts.
Accompanying drawing explanation
Fig. 1 is the annealing furnace structure schematic diagram of this utility model embodiment.
Fig. 2 is the annealing furnace structure schematic top plan view of this utility model embodiment.
Fig. 3 is the heated beam schematic top plan view of this utility model embodiment.
In figure: 1-heat-insulation layer；2-the first zone of heating；3-heat-conducting plate；4-heated beam；5-actuating device；6-the second zone of heating；
7-heat conduction cover；8-flabellum.
Detailed description of the invention
The utility model will be further described with embodiment below in conjunction with the accompanying drawings.
Embodiment is as shown in Figure 1, Figure 2, Figure 3 shows.This utility model high uniformity box-annealing furnace by heat-insulation layer 1, first add
Thermosphere 2, heat-conducting plate 3, heated beam 4 and actuating device 5 are constituted, and wherein heated beam 4 is provided with the second zone of heating 6, heat conduction cover 7 specially
With flabellum 8.Box-annealing furnace be horizontal cross-section be foursquare cubic type box-annealing furnace, heat-insulation layer 1 plays thermal insulation
Effect, prevents heat to scatter and disappear.Box-annealing furnace burner hearth is provided with the first zone of heating 2 along each wall of surrounding, and the first zone of heating 2 is by heating unit
Part connects electrical source of power, carries out heating and lowering the temperature by instrumentation regulation power, and the first zone of heating 2 is at least on four metopes
Arrange, under base plate, be also provided with the first zone of heating 2 if desired.Heat-conducting plate 3 is close to the first zone of heating 2, have the most high temperature resistant and
Thermal conductivity, can absorb rapidly from the heat of the first zone of heating 2 and be radiated in burner hearth by heat, owing to heat-conducting layer 3 is whole
Body, each point is equably to furnace heat transfer.Being provided with three-dimensional heating post 4 in the middle part of box-annealing furnace burner hearth, heated beam 4 is fixed on passes through
In the rotary shaft at top, rotary shaft with stove outside actuating device 5 be connected, actuating device 5 can use motor, same in heated beam 4
It is provided with the second zone of heating 6, is close to heat conduction cover 7 outside the second zone of heating 6, flabellum 8 on heat conduction cover 7, is distributed.The internal diameter of heat conduction cover 7
At 10 ~ 20cm, and heated beam connects as one, and can rotate together along with heated beam.Flabellum 8 is distributed on heat conduction cover 7,
Width 2 ~ the 4cm of flabellum 8, if quantity can freely be designed to dry tablet as required.Heated beam 4 is used for compensating central temperature, simultaneously
Equipped with flabellum 8 on the heat conduction cover 7 of heated beam, heated beam 4 can be rotated by actuating device 5, and such flabellum 8 can promote whole stove
The cross-ventilation of thorax, it is ensured that when rising gentleness cooling, burner hearth central temperature is consistent with peripheral temperature.Box-annealing furnace burner hearth center is extremely
A rare thermocouple, surrounding each wall upper and lower the most at least one thermocouple of distribution, thermocouple assay Temperature Feedback arrives
Control instrument, realizes A.T.C by software.The each wall of a box-annealing furnace burner hearth surrounding at least face is travelling oven
Door.Box-annealing furnace combustion space is less than 3 cubic metres, is mainly used in be pilot fine annealing.
The method for annealing using this utility model high evenness box-annealing furnace comprises the following steps:
1. goods shove charge: during glass shove charge, both bulk glasses uses frock isolation, makes between glass and glass, glass
And there is gap between furnace bottom；Type part uses pallet that small articles is dressed up dish, and during shove charge, every layer of pallet is all kept apart by frock, this
Planting frock isolation can make each face of glass or pallet be heated, and glass temperature and temperature field temperature are highly consistent；
2. heat up: on temperature control instrument, after given heating schedule, instrument automatic control heats up, sending out on each wall of temperature-rise period
Thermal element works simultaneously；Center heated beam has single power supply unit, and instrument is according to the temperature difference regulation of central hot galvanic couple with surrounding
Heated beam power, compensates burner hearth central temperature；10 ~ 80 turns per minute of heated beam 4 velocity of rotation, rotarily driving of heated beam simultaneously
Cross-ventilation, can control the burner hearth temperature difference within 2 DEG C；
3. insulation: can arbitrarily set according to the difference of goods, holding temperature and time, maximum temperature, up to 950 DEG C, is incubated
During cross-ventilation in burner hearth carry out heat exchange, within thermal gradient energy reaches 1 DEG C；
4. cooling: after rate of temperature fall sets according to annealing schedule, instrument controls automatically cooling, center when needing fast cooling
The power of heated beam can regulate to 0, and rotarily drives flabellum work, it is achieved the rate of temperature fall of setting, and keeps the burner hearth temperature difference not
More than 2 DEG C；
5. come out of the stove: with fork truck, frock entirety is removed when coming out of the stove, after cooling, unload glass.
Claims (6)
1. a high evenness box-annealing furnace, including box-annealing furnace, it is characterised in that: described box-annealing furnace is that level is cut
Face is foursquare cubic type box-annealing furnace；Box-annealing furnace burner hearth is provided with heater element, heater element along each wall of surrounding
It is externally provided with heat-conducting plate (3)；Being provided with three-dimensional heating post (4) in the middle part of box-annealing furnace burner hearth, heated beam (4) is fixed on passes through top
Rotary shaft on, rotary shaft with stove outside actuating device (5) be connected.
A kind of high evenness box-annealing furnace the most according to claim 1, it is characterised in that: in described heated beam (4)
Be provided with the second zone of heating (6), outside be glued with heat conduction cover (7), flabellum (8) is distributed on heat conduction cover (7).
A kind of high evenness box-annealing furnace the most according to claim 1 and 2, it is characterised in that: described box annealing
Stove burner hearth bottom is provided with heater element, and heater element is externally provided with heat-conducting plate.
A kind of high evenness box-annealing furnace the most according to claim 1 and 2, it is characterised in that: described box annealing
A stove burner hearth center at least thermocouple, surrounding each wall upper and lower is respectively distributed a thermocouple.
A kind of high evenness box-annealing furnace the most according to claim 1 and 2, it is characterised in that: described box annealing
The each wall of a stove burner hearth surrounding at least face is movable fire door.
A kind of high evenness box-annealing furnace the most according to claim 1 and 2, it is characterised in that: described box annealing
Stove combustion space is less than 3 cubic metres.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620591666.3U CN205740735U (en) | 2016-06-16 | 2016-06-16 | A kind of high evenness box-annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620591666.3U CN205740735U (en) | 2016-06-16 | 2016-06-16 | A kind of high evenness box-annealing furnace |
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| Publication Number | Publication Date |
|---|---|
| CN205740735U true CN205740735U (en) | 2016-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620591666.3U Expired - Fee Related CN205740735U (en) | 2016-06-16 | 2016-06-16 | A kind of high evenness box-annealing furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106116127A (en) * | 2016-06-16 | 2016-11-16 | 湖北新华光信息材料有限公司 | A kind of high evenness box-annealing furnace and method for annealing thereof |
| CN114956532A (en) * | 2022-05-31 | 2022-08-30 | 贵定县恒伟玻璃制品有限公司 | Glass bottle heat treatment device |
-
2016
- 2016-06-16 CN CN201620591666.3U patent/CN205740735U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106116127A (en) * | 2016-06-16 | 2016-11-16 | 湖北新华光信息材料有限公司 | A kind of high evenness box-annealing furnace and method for annealing thereof |
| CN114956532A (en) * | 2022-05-31 | 2022-08-30 | 贵定县恒伟玻璃制品有限公司 | Glass bottle heat treatment device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |