| 1 |
Natural gas |
Top coating air-conditioner |
- 1. Connection between vapor supply and conveyor and adjustment to vapor supply timing
- 2. Reduction of the spraying room temperature from 21° C to 19.7° C and reduction of vapor supply volume
|
43.456 |
710.224 |
| 2 |
Natural gas |
Surfacer air-conditioner |
- 1. Building the surfacer air-conditioner’s ability to increase temperature under various environmental temperatures
- 2. Adjustment to vapor supply condition: when outside air>19° C, no vapor supply; when outside air ≦ 19° C, the spraying room temperature is set at 17.5° C
|
30.271 |
494.734 |
| 3 |
Electricity |
Paint recycling system at the paint mixing room |
- 1. The tested optimal pumping frequency is 13.5–15 times in production or 10–11 times off production, such frequencies can match the production demand and keep the Reynolds number above 2100 avoiding sedimentation in the pipeline;
- 2. Adjustment to the number of running hydraulic motors during production hours
|
97.423 |
0.121 |
| 4 |
Electricity |
Water pumps at Dormitories B.C.F |
- 1. Replacement of old models with high-performance motors
- 2. Upgrade of plumbing system to lower pipe flow and loss from leakage
- 3. Improvement of motor efficiency and flow (from 17.8M3/H to 31.2M3/H) and change of the water pumping time to offpeak hours
|
32.438 |
0.040 |
| 5 |
Electricity |
Energy efficiency improvement of fans and lighting at RING 3 and RING 4 of the body shop |
Division of fan and lighting control by regions (switch integration) |
11.312 |
0.014 |
| 6 |
Electricity |
Paint mixer at the paint mixing room |
- 1. Optimization of the paint mixing time of the secondary barrel
- 2. Optimization of the paint mixing speed of the primary circulation barrel and reduction of the total electricity consumption of the air compressor by 14.7%
|
13.557 |
0.017 |
| 7 |
Electricity |
Merger of transformers in the vehicle assembly shop/ air compressor room/towed power feeder |
- 1. Removal of transformers with a 0% load
- 2. Merger of transformers with a 70% or below load
- 3. Merged 11 sets of transformers in total (car assembly*7, engine* 3, air-compressor*1)
|
13.592 |
0.017 |
| 8 |
Electricity |
Air-conditioner at the large paint mixing room |
- 1. Adjustment to the frequency of air blower & ventilator at the large paint mixing room
- 2. Adjustment to the humidity through the frequency adjustment to the circulation water pump
|
12.874 |
0.016 |
| 9 |
Electricity |
Reduction of electricity consumption at the nonactive press line |
Turning the power of transformer of a presser off when a job ends to eliminate energy waste of the transformer |
10.56 |
0.013 |
| 10 |
Electricity |
NIMS PSW spot welding gun at the body shop |
- 1. Analysis on optimization of the transformer efficiency of the 5 sets of spot welding gun at the PSW station, the pole grinding frequency and the resistivity parameter of water cooled cables
- 2. The threshold for the changes of water cooled cable was reduced from the current 700μΩ to 500μΩ resulting in an average of 0.0044kWh/point power saving.
|
7.663 |
0.010 |
