CN87216119U - Far-infrared continuous drying oven - Google Patents
Far-infrared continuous drying oven Download PDFInfo
- Publication number
- CN87216119U CN87216119U CN 87216119 CN87216119U CN87216119U CN 87216119 U CN87216119 U CN 87216119U CN 87216119 CN87216119 CN 87216119 CN 87216119 U CN87216119 U CN 87216119U CN 87216119 U CN87216119 U CN 87216119U
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- China
- Prior art keywords
- infrared continuous
- far
- drying oven
- heating element
- heater
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Abstract
The utility model relates to a far-infrared continuous drying oven, which belongs to the improvement of the prior far-infrared continuous drying oven. The far-infrared continuous drying oven is a continuous industry heating device suitable for the range of 50 to 300 DEG. The far-infrared continuous drying oven adopts an SHQ creamy white quartz heating element and a combination reflecting system which is composed of a plurality of parabola reflecting covers and realizes the homogeneity of the temperature field of the drying oven with the outstanding energy-saving effect by the reasonable allocation of the heating element and a reflecting cover and the uneven distribution of the heating element power. The far-infrared continuous drying oven can be widely used for industries such as paint baking and solidify, food processing, printing and dyeing, printing, paper manufacture, etc.
Description
The utility model relates to a kind of far infrared continuous type oven, is a kind of 50-300 of being particularly suitable for ℃ industrial continuous-type furnace.
At present, 50-300 ℃ of industrial heating furnace has two kinds of heating means, i.e. hot blast heating and Far-infrared Heating.Far-infrared Heating is a kind of heating technique that the seventies rises, and can save the energy though it is compared with the hot blast heating technique, has the uneven shortcoming in radiation field and temperature field, is difficult to guarantee the quality of baked goods.As everyone knows, guarantee that the important indicator of baking quality is that thermal field or temperature field are even, meet following process conditions.
（ (dT)/(dt) ）
A、B、C＝0 （ (dT)/(dx) ）
A、B、C＝0
Promptly be heated whole workpiece or a certain surface, though its surface temperature T at heating zone A, flat-temperature zone B or the cooling area C of heating furnace, any position x of any moment t in heating process is uniform.Hot-blast heater satisfies above-mentioned process conditions substantially.Existing far-infrared heating stove radiation field and analysis of temperature field result show:
（ (dT)/(dt) ）
A、B、C≠0 （ (dT)/(dx) ）
A、B、C≠0
Be that radiation field, temperature field all present inhomogeneous feature.
Now, external many countries are for solving the radiation field and the temperature field homogeneity question of far infrared continuous type oven, adopt the method for designing of " high-power ", " large tracts of land ", " large space ", though solved the uniformity in far infrared continuous type oven radiation field and temperature field so basically, energy consumption is very big.The far infrared continuous type oven that China introduces in the finishing line promptly belongs to this example.
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art part, and the far infrared continuous type oven that a kind of temperature field is even, save the energy is provided.
The utility model is made up of body of heater, reflector, reflector support, heating element heater, be characterized in that a plurality of parabola reflectors are installed on the reflector support, constitute the combined type reflecting system, heating element heater adopts quartzy far infrared heating, the power of heating element heater is uneven distribution, first half heater element power accounts for general power 1/3, the Lower Half heater element power accounts for general power 2/3, and heating element heater, reflector and workpiece dispose by the principle of the mutual superposition 25% of radiation energy between radiation source.
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is a far infrared continuous type oven cutaway view.
Fig. 2 is homogeneous radiation field design graphing method.
Parabola reflector, (6) SHQ milky disease quartz far infrared heating, (7) heat-insulation layer of making by bright aluminium sheet of (1) body of heater, (2) overhead chain conveyer, (3) workpiece, (4) reflector support, (5) wherein.
The utility model adopts the optical homogeneity design principle to realize the uniformity of radiation field.When facts have proved between the radiation source the mutual superposition 25% of emittance, it is uniform being considered to radiation field.Available graphing method is tried to achieve the homogeneous radiation field, as shown in Figure 2, (5) be the parabola reflector, its A/F and the degree of depth are 200 * 100mm, and (6) are SHQ milky disease quartz far infrared heating, the vertical height of work is divided into several five equilibriums, cover ratio is 25% technical parameter mapping between the employing radiation source, and position as shown in Figure 2 is if be placed on other position with above-mentioned reflector, for example a, b then can not realize the uniform requirement of radiation field.
For hanging conveying far infrared continuous type oven, because baker is in non-closed state, the existence of thermal convection current in the stove certainly will cause the interior temperature difference up and down of stove, and is as follows:
Apart from central point (mm)+750+500+2500-250-500-750
Temperature difference (℃)+50+30+100-10-25-40
Annotate: the following distance of central point is a negative sign, more than is positive sign, is positive sign than central point temperature height, and low is negative sign.
This shows that it evenly is not enough that radiation field is only arranged, in other words, because thermal convection current exists in the stove, actual temperature field of embodying is uneven on workpiece, is very necessary so how to cause the even temperature field.In order to address this problem, adopted " heterogeneous radiation power distribution ", promptly each heating element heater adopts different power, and the power of the heating element heater of upper of furnace body 1/2 accounts for 1/3 of general power, and bottom 1/2 heater element power accounts for general power 2/3.Representative instance is as follows:
SHQ milky disease quartz heating element heater (φ 18 * 1000mm) arranges from bottom to top, and power distributes:
500、500、400、300、300（W）
In order to reduce the radiation loss of furnace body outer wall, reflector support (4) and inboard wall of furnace body are laid bright aluminium sheet, utilize the reflex of bright aluminium sheet to cause on " black furnace wall ", have promptly reduced the temperature of inboard wall of furnace body.In addition, in body of heater, lay the composite heat-insulating layer of forming by alumina silicate felt and rock wool (7), reduced the heat loss of baker so significantly, improved the thermal efficiency of baker.
Comprehensively above-mentioned, the utility model is compared with prior art (same category of device), and it is even to have a temperature field, saves the advantage of the energy.Can be widely used in industries such as the oven dry of coating and curing, food processing, printing and dyeing, papermaking, chemical industry.
As an embodiment, certain Washing Machine Factory's powder coating solidification far infrared continuous type oven, 103 meters of furnace superintendents, 1.2 * 3.05 meters in cross section, installed power 350KW, 180 ℃ of solidification temperatures, 16 minutes heating-up times (empty stove) were raised to 180 ℃, 3.5 meters/minute of chain speeds, 3/timesharing of two-tub washing machine shell output, holding power 200KW, workpiece environment temperature worst error is ± 3 ℃, solidify quality and meet the requirements no color differnece.The baker thermal efficiency about 35%.
With compare with class C oven C both at home and abroad, important technological parameters is as follows:
| Title | Baker size (m) | Installed power (KW) | Heating-up time | Baker spatial power density KW/M 3 |
| The utility model | 3.05×1.2× 103 | 350 | 180 ℃ 16 minutes | 2.57 |
| Japan's " general " outer case of refrigerator baker | 3.6×1.3× 54 | 991 | 120 ℃ 10 minutes | 6.68 |
| Tianjin Washing Machine Factory baker | 3.05×1.1× 22 | 151.5 | 180 ℃ 33 minutes | 4.46 |
By table as seen, the utility model installed capacity is significantly less than the installed capacity of Japanese fujitsu " general " outcase of refrigerator baker, compares with class C oven C with domestic, and installed capacity reduces 30-50%, programming rate improves 30-50%, energy savings (workpiece single-piece power consumption) 44%.
Claims (4)
1, a kind of far infrared continuous type oven, by body of heater 1., reflector 5., 6. heating element heater form, it is characterized in that 5. a plurality of parabola reflectors are installed in the reflector support and 4. go up, adopt quartzy heating element heater, heating element heater, reflector and workpiece dispose by the principle of the mutual superposition 25% of radiation energy between radiation source, the power skewness of heating element heater, baker top 1/2 heater element power accounts for 1/3 of general power, and bottom 1/2 heater element power accounts for general power 2/3.
2, far infrared continuous type oven according to claim 1 is characterized in that reflector support (4) and inboard wall of furnace body lay bright aluminium sheet.
3,, it is characterized in that parabola reflector (5) made by bright aluminium sheet according to the described far infrared continuous type oven of claim 1.
4,, it is characterized in that body of heater (1) contains the composite heat-insulating layer of being made up of alumina silicate felt and rock wool according to the described far infrared continuous type oven of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87216119 CN87216119U (en) | 1987-12-09 | 1987-12-09 | Far-infrared continuous drying oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87216119 CN87216119U (en) | 1987-12-09 | 1987-12-09 | Far-infrared continuous drying oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87216119U true CN87216119U (en) | 1988-08-10 |
Family
ID=4830120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87216119 Expired - Lifetime CN87216119U (en) | 1987-12-09 | 1987-12-09 | Far-infrared continuous drying oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87216119U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101124448B (en) * | 2004-03-02 | 2010-06-23 | 贝卡尔特股份有限公司 | Drying equipment for drying web |
| CN101633555B (en) * | 2008-07-24 | 2012-05-02 | 洛阳兰迪玻璃机器股份有限公司 | Tempered glass heating furnace |
| CN113042335A (en) * | 2021-03-29 | 2021-06-29 | 三能(广州)环保设备科技有限公司 | Windless infrared oven |
| CN115014071A (en) * | 2022-08-08 | 2022-09-06 | 江苏长海消防装备有限公司 | Color difference preventing dip-dyeing device for producing high-light rescue boots |
-
1987
- 1987-12-09 CN CN 87216119 patent/CN87216119U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101124448B (en) * | 2004-03-02 | 2010-06-23 | 贝卡尔特股份有限公司 | Drying equipment for drying web |
| CN101633555B (en) * | 2008-07-24 | 2012-05-02 | 洛阳兰迪玻璃机器股份有限公司 | Tempered glass heating furnace |
| CN113042335A (en) * | 2021-03-29 | 2021-06-29 | 三能(广州)环保设备科技有限公司 | Windless infrared oven |
| CN115014071A (en) * | 2022-08-08 | 2022-09-06 | 江苏长海消防装备有限公司 | Color difference preventing dip-dyeing device for producing high-light rescue boots |
| CN115014071B (en) * | 2022-08-08 | 2022-10-14 | 江苏长海消防装备有限公司 | Color difference preventing dip-dyeing device for producing high-light rescue boots |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |