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Vacuum Type Transformer Coil Drying Oven
Description of vacuum type transformer coil drying oven:
This kind of variable-pressure vacuum drying furnace adopts variable-pressure drying principle suggested by Dr. Moll from Germany, specialized for drying transformer bodies. Comparing to conventional vacuum hot air cycling method, drying cycle of this variable-pressure type has been saved about 30-45%.
Clear photo of vacuum type transformer coil drying oven:
Main features of variable-pressure vacuum type transformer coil drying oven:
1) Compact structure, small occupation
2) Heating system is controlled by power control module, assuring even and stable temperature; Real power consumption during temperature-keeping is only about 35% of total power;There is no fluctuation of heating load and thus reduces actual heating power very much.
3) Extreme high vacuity, less than 30Pa under cold condition
4) PLC control, more stable and reliable
5) Special baffle valves for vacuum drying, better vacuuming performance
Buildup of vacuum type transformer coil drying oven:
1) Vacuum drying tank: square shape, one
2) Vacuum system: one
3) Low-temperature condensation filter
4) Heating system: one
5) Water-cooling system: one
6) Compressed air system: one
7) Electric control system
Technical data of vacuum type transformer coil drying oven:
|
Item |
Data |
|
|
Vacuum drying tank |
Tank size |
according to requirement (cutomized) |
|
|
Ultimate vacuity |
<50Pa (unloaded, cold) |
|
|
Vacuum leakage rate |
300Pa·L/S |
|
|
Heating temperature |
130ºC |
|
|
Temperature tolerance |
±2ºC |
|
Vacuum system |
Ultimate vacuity: |
<10Pa (unloaded, cold) |
|
|
Max. extracting speed |
900L/S |
|
Heating system |
Heating method |
Electric heating |
|
|
Heating power |
96kW (based on tank size) |
|
|
Heating media |
Heating oil |
|
Water-cooling system |
Cooling tower or special water cooler |
|
|
Control system |
Siemens PLC, automatic controlling vacuity, heating and cooling |
|
Main use of equipment
The equipment is used for the drying treatment of electrician products of oil-immersed power transformers with voltage levels below 110KV. We guarantee the process requirements and quality requirements of product processing, and provide process treatment schemes of 35KV and 10KV voltage levels and related control program.
Main technical features of the equipment
This equipment has the following technical features:
1 With reasonable vacuum system design, there is enough condensed water in the condenser to effectively avoid the pollution of the vacuum pump during the drying process, which greatly prolongs the service life of the vacuum pump.
2 The heating system control is equipped with a power control module to ensure smooth temperature control, reduce the actual heating power during heating, and prolong the service life of the heating tube.
3 In the heating process, according to the different temperature of the body, the pressure alternating mode is automatically repeated several times to periodically reduce the pressure in the vacuum tank to a certain value, so it can create the most suitable conditions for the evaporation of water in the insulation of the body, it make the water evaporation process of drying process in a reasonable state.
4 The processing time of the equipment for the 110KV grade 63000KVA product can be controlled within 70-80 hours, which can save more than 30% compared with the traditional hot air drying equipment.
5 The equipment is adjusted by variable pressure, which can effectively solve the the iron core rust problem during the drying process.
6 The equipment automation level and the products processing technology level both can reach the domestic advanced level, and the quality of the processed products can reach the level of superior products in the industry.
7 This equipment adopts manual control and automatic control. When it is automatically controlled, it can realize unattended automatic drying of the whole drying process.
Main components of the equipment
|
Item |
Name |
Quantity |
|
1 |
Vacuum drying tank system |
1 set |
|
2 |
Door opening mechanism and door frame |
1 set |
|
3 |
Vacuum system |
1 set |
|
4 |
Condensing system |
1 set |
|
5 |
Heating system |
1 set |
|
6 |
Pneumatic piping system |
1 set |
|
7 |
Cooling water system |
1 set |
|
8 |
Hydraulic system |
1 set |
|
9 |
Control and measurement system |
1 set |
|
10 |
Spare parts |
1 set |
On-site requirements
Rated power: 96kW, 380V, 50Hz, three-phase, power should be connected to the electric control cabinet;
Cooling water: pressure >0.1MPa, circulating pool >3m3
Equipment area dimension: 6000 x 6500mm;
Compressed air: 0.4-0.6Mpa, consumption 0.2 m3/min;
YIBO Machinery Co.,Ltd is a professional enterprise who specialized in manufacturing automatic equipments. It is located in Gaoxin industry area, Pingxiang City, Jiangxi Province, China. It nearby Changsha international airport 1 hour by car. With convenient traffic, and beautiful environment.
YIBO mainly manufacture Vacuum equipment (Oven, VPI, Casting plant), Transformer foil winding machine, HV and LV winding machine, Transformer processing machine, Core winding machine, Silicone steel cutting machine, Busbar processing machine, APG Machine, Casting Mold, CT/PT winding machine, Laser Marking Machine, Testing machine, Electrical procelain insulator production line, vacuum circuit breaker production line.
It is the who specialized in supplying full set of power equipment manufacture. all-around service, professional , technological and scientific enterprise in China.
YIBO has established a professional research team, acquired several patents and owned independent intellectual property rights. With professional staffs service you kinds of consult all day.
Providing one-stop full completely equipments for customers, including installation and debugging, technology training, process guidance. Manufacturing customers satisfied and qualified products.
YIBO products not only meet the domestic customers demands, but also export to the worldwide simultaneously. YIBO has passed SGS and ISO9001:2008 quality system certificate, made scientific modern management model, warmly welcome domestic and abroad customers visit us, sincerely wish to establish friendly cooperation relationship and create brilliancy future together.
Q1: What's your main products?
A: We are professional supplier of Transformer Accessories and Insulation Materials with more than 15 years' experience.
Q2: Can I get some samples?
A: Yes, sample order is available for quality check and market test.
Q3: Does your company accept customization?
A: Yes, we can accept OEM/ODM.
Q4: How can you control your quality?
A: For each production processing, we have complete QC system for the chemical composition, physical and electrical properties.After production, all the goods will be tested according to related standards, and the ex-factory test reports will be sent along with shipment documents.
Q5: What's your payment terms?
A: We can accept the payment through L/C, D/A, D/P, T/T, Western Union, MoneyGram, Paypal, Alibaba Trade Assurance.
Q6: Can we visit your factory?
A: Sure, you are welcome to visit our factory anytime.
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