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| Main technical parameter |
| Term project | It refers to the standard value |
| Rated voltage | 380V 50/60Hz |
| Heating rate | ≤1-40 ℃/min (user- friendly adjustable) |
| Temperature control accuracy | ± 1 ℃ |
| Temperature control method | PID regulation, microcomputer control, programmable temperature curve, without caretaker (automatic heating, insulation, cooling) |
| Double circuit protection | Over-temperature, over-voltage, super-current, short circuit, broken even, power, leakage and so on |
| Thermocouple type | S type |
| Heating element | U -shaped silicon molybdenum rods |
| Furnace material | Furnace imported composite high-temperature fiber material built by the numerical control technology, thermal shock resistance, corrosion resistance, non-collapse, no crystallization, no residue, no pollution, long life |
| Lifting structure | Electric screw up and down, smooth vibration-free, mouth down, heat loss, high temperature state can open the door for recycling |
| surface temperature | ≤45 ℃ |
| Temperature category: 800 ℃ 1000 ℃ 1200 ℃ 1400 ℃ 1600 ℃ 1700 ℃ 1800 ℃ 2200 ℃ | |
| Application |
The equipment is widely used in universities, research institutes, industrial and mining enterprises such as powder, electronics, metallurgy, medicine, ceramics, new materials, chemicals, metal sintering and metal heat treatment experiments and production.
| Technical characteristics |
High temperature energy saving Precision shaft furnace JNL-17MJ series of high temperature energy saving Precision shaft furnace introduced into advanced technology, independent research and development of energy-saving, environmental protection, new elevator shaft furnace, with advanced and reasonable structure, elegant appearance, the shell is made of high quality cold Rolled steel plate, advanced CNC machine tool processing, luxury, beautiful two-color imported epoxy powder electrostatic spray process, processed, high temperature, corrosion resistance, the use of high-quality heating elements, double furnace shell with air-cooled system, Can quickly cool down; the furnace has a temperature field balance, the furnace surface temperature is low, fast heating and lowering speed, energy saving and so on. Furnace imported composite alumina fiber material built by the numerical control process, thermal shock resistance, good corrosion resistance, no collapse, no crystallization, no residue, no pollution, long service life. The control system adopts microcomputer artificial intelligence adjustment technology, with PID regulation, automatic control, self-tuning function, multi-section programming, and can be programmed a variety of heating, insulation, cooling program, high temperature control accuracy; integrated module SCR control, phase shift Trigger, protect the system: the use of independent over-temperature protection, over-voltage, super-current, leakage, short circuit protection. High degree of automation, the indicators reached the advanced level.
| Furnace size |
| Furnace effective use of size ( mm ) | Voltage (v) | Power (kw) | Control accuracy (℃) |
| Φ300 × 300 | 380 | 10 | ± 1 |
| Φ500 × 500 | 380 | 25 | ± 1 |
| Φ700 × 500 | 380 | 30 | ± 1 |
| Φ800 × 500 | 380 | 40 | ± 1 |
| Φ1200 × 800 | 380 | 80 | ± 1 |

List of selectable accessories | ||
Separate control cabinet | Touch screen instrument | Remote auxiliary module |
Observation window | Air-bleed hole and chimneys | Heat fan |
Crucible | Door plugging | Hearth plate |
Alundum tube | Quartz tube | Vacuum pump |



Luoyang Liyu Kiln Co., Ltd. is a large electric furnace manufacturing base integrating R&D, production, sales, and service. Base on professional technology and manufacturing team with over 20 years of manufacturing experience, design and manufacture of various sizes and models, a variety of high-precision electric furnace and kiln for customer according to the user requirements.
Our products mainly include high temperature muffle furnace, frit furnace, vacuum atmosphere furnace, tube furnace, box furnace and vertical furnace, etc. These products are widely used in universities, research institutes, industrial and mining enterprises for experiment and production of powder, military, electronics, metallurgy, medicine, ceramics, glass, machinery, new material development, special materials, refractory materials, building materials, chemicals, metal sintering and metal heat treatment.
We continually develop the new products, and have developed a series of energy-saving JNL furnace, furnace products with more excellent conditions of fast heating, high energy, high precision, high stability, good thermal insulation performance, full microcomputer control, programmable automatic warming, cooling, heat preservation, furnace surface temperature near room temperature etc.
In recent years, Liyu has passed ISO 9001:2008 quality management system certification in 2015, and in product safety, we passed the CE certification.
Sincerely welcome new and old customers to visit and negotiate.



Q: Can I use our country's plug?
A: Yes, we can provide following standard plugs in different countries.
Q: Usually I only need 900℃ to conduct my experiment, can I have a furnace with max temperature of 1000℃?
A: Yes, we can custom-made the furnace according to your need.
Q: How about the temperature/time control?
A: the furnace's temperature and time is controlled by PID touch panel,it is a programmable control type.Easy to operate.
Q: How about the delivery period?
A: The delivery period is depends on the order quantity, in ordinary we have 1~3 sets in stock.It can be delivery within 10 working days.
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