| Customization: | Available |
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| After-sales Service: | 12 Months |
| Warranty: | 12 Months |
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| Typical application fields | It is mainly used for the annealing heat treatment process of solar cell glass substrate under the condition of air atmosphere |
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| Code | Name | Length | Explain | |
| A | Total length | 28200mm | ||
| B | Import/ export platform | 1500mm | 1350±20mm above the ground,The length of import and export platforms are the same |
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| C | Furnace frame | 25200mm | ||
| D | Import transition section |
900mm | Including air curtain | |
| E | Import insulation transition | 900mm | Ceramic fiber material thermal insulation transition, including exhaust pipe | |
| F | Heating section | 16200mm | There are 18 temperature zones in total.The power is 14kw per zone and the length is 900mm per zone; The total design power is 252kw | |
| G | Free cooling zone | 900mm | No heating element, thermal insulation material | |
| H | Water cooling zone | 4500mm | Four sections water cold steel jacket (water cooling coil type), and the last section of steel jacket contains 350mm air curtain. | |
| I | Forced air cooling section | 1800mm | Forced air cooling with large air volume | |
| K | Equipment height | 2000mm | Excluding chimney, feet and indication light heigh | |
| L | Equipment operation panel layout location | |||
| Furnace structure | Large furnace cavity and ultra light insulation material masonry structure are adopted | |||
| Effective height | 50mm | |||
| Equipment weight | About 27000kg | |||
| Overall dimension | 28200×2600×2000mm(L×W×H),excluding foundation, chimney and indicator light | |||
| Appearance color | The hanging plate adopts high-temperature plastic spraying, the color is camel gray computer color | |||
| Glass specification | 1245×635×3mm;glass size deviation<±2mm,glass warpage degree≤3mm | |||
| Production cycle | ≤60sec | |||
| Feeding mode | Long side feed(1245mm) | |||
| Glass fragmentation rate | <3‰ | |||
| Equipment stability | MTBF(Interval between equipment failures):≥720 hours/time | |||
| MTTR(Maintenance time of equipment failure):≤2hours/time | ||||
| Uptime:≥98% | ||||
| Schedule PM time:<1% | ||||
| Unscheduled maintenance time:<1% | ||||
| Special requirements | The stainless steel tank ceiling device on the upper part of the furnace can effectively prevent the top insulation material from falling and improve the cleanliness of the furnace | |||
| Rated temperature | 300ºC |
| Maximum temperature | 350ºC |
| Heating element | Heating plates |
| Heating power | 252kW |
| Empty furnace insulation power | ≤90KW |
| Number of temperature zones | 18 zones |
| Temperature control points | 54 points(There are left, middle and right temperature control points of each temperature zone, and the upper and lower proportional temperature control) |
| Thermocouple | K type |
| Surface temperature rise | <35ºC |
| Discharge temperature | ≤60ºC(with belt speed 645mm/min) |
| Temperature control stability | ±1ºC |
| Temperature uniformity | ±5ºC(Constant temperature zone, cross section of the same belt) |
| Belt width | 1400mm |
| Belt model | Wire diameter and threading diameter¢2.2*¢2.8,grid 8*16 |
| Belt material | Imported SUS316L |
| Maximum load | 20Kg/m2(excluding the self weight of the belt) |
| Transmission mode | Large wrap angle friction drive |
| Speed regulation range | 300~1200mm/min,Typical belt speed of activation process 645mm/min |
| Driving system | The transmission control adopts the frequency converter to drive the frequency conversion motor, which is controlled by the reducer, and the speed is continuously adjustable. |
| Conveyor structure | The belt conveyor is driven by sprocket and chain to drive the driving and driven wheels, and makes the mesh belt run through the friction between the driving wheel and the mesh belt. Mesh belt deviation correction devices are installed on both sides of the entrance and exit |
| Belt cleaning method | Ultrasonic cleaner |
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| Atmosphere control system | Including air pipe and exhaust system | ||
| Air pipes: the range of flowmeter is 48 ~ 480L / min; glass rotameter control | |||
| A | Entrance air curtain | Entrance air curtain (divided into three rows of air intake), and the range of each flowmeter is 48 ~ 480L / min | |
| B | Air inlet in heating parts | Supplement of fresh air (intake air is divided into three rows), and the range of each flowmeter is 48 ~ 480L / min | |
| C | Rubber exhaust gas | A set of waste gas collection pipeline and filtration system are set, which is controlled by micro pressure negative feedback, connected with the chimney and has the ability of mixing fresh air; Reduce the pipeline temperature; Pumping capacity ≤ 30m3 / min | |
| D | Air inlet in firing parts | One pipe of intake air (divided into three rows). The range of each flow meter is 48 ~ 480L / min, which is distributed in the last water jacket of the water cooling section | |
| E | Exit air curtain | The exit air curtain (divided into three rows of air intake), and the measuring range of each flowmeter is 48 ~ 480L / min | |
| F | Cooling exhaust | In the air cooling area, the blower blows air, and the exhaust volume is about 50m3 / min | |
| Each atmosphere flow meter displays the actual flow | |||
| Cooling mode of water cooling area | The surface of stainless steel cooling jacket is installed with water-cooled coil pipe |
| Cooling mode of air cooling section | Forced air cooling with large air volume |
| Cooling detection | 1 point water temperature detection of cooling water jacket |
| Alarm indication | Low water pressure alarm, overtemperature alarm, exhaust low negative pressure alarm |
| Belt stop button | Two belt stop button is set at the inlet and outlet end plates respectively. One for belt stop,one for power off. |
| Alarm indication | Overtemperature, temperature deviation, frequency converter alarm, thermocouple broken, low gas pressure, low water pressure, discharge audible and visual alarm |
| Temperature measurement | Each control and detection point is measured independently by K-type thermocouple |
| Control instrument | It is controlled by imported intelligent regulation module.It has many alarm protection functions, such as PID parameter self-tuning, high temperature upper limit alarm, thermocouple failure indication and so on |
| Heating control | The heating part is powered by multiple AC contactors in groups to reduce the instantaneous current impact of the equipment on the power grid |
| Control mode | Solid state relay |
| Overtemperature treatment | In case of overtemperature in a certain temperature zone, the temperature overtemperature alarm system of the temperature zone will immediately send out audible and visual alarm signals, cut off the heating in the corresponding temperature zone at the same time, and the buzzer will send out continuous alarm sound |
| Computer control system | DCS (distributed control system) control system is adopted. |
| Lower computer, intelligent instrument control, upper computer monitoring | |
| Friendly man-machine interface, multiple programs are stored, which is convenient for users to edit and call | |
| Real time display of temperature and alarm status.The data can be stored and printed out. | |
| Provide furnace temperature calibration function to better fit process requirements |
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