In order to reduce carbon emission, KITO has made great efforts during the process of porcelain tiles production, consequently saving energy, reducing emission and improving environmental quality. Then, what are these efforts?
Sulfur and Dust Removal
KITO took the lead in implementing technical transformation of sulfur and dust removal to the roller kiln. As a result, the sulfur dioxide emissions have been reduced from 800 mg/m3 to more than 30 mg/m3. And, the minimum emissions are just one out of ten of the national standard.
KITO is the first one in China building ceramic enterprises to take this measure by the minimum investment but obtaining the maximum return, thus winning high recognition by municipal environmental protection agency and science and technology bureau. In addition, this measure is widely promoted as a great example in environment protection.
The source of pollution in porcelain tiles production is mainly concentrated on two links. The first one is spray tower where sulfur dioxide and dust will be generated due to combustion of large amount of CWS (Coal Water Slurry). The second one is roller kiln where carbon dioxide and dust will be produced in that diesel oil is burnt.
KITO creatively installs a sulfur and dust removing equipment on the roller kiln, which on the one hand extracts sulfur dioxide and dust from the kiln and on the other hand injects atomized whitewash. Through neutralization and dissolution, emissions can be greatly reduced.
Thanks to the technology of waste-heat utilization, KITO can take full advantages of the waste heat, thus achieving cyclic utilization of heat energy. Every day, we can reduce large amount of energy consumption which is worth more than 40,000 RMB. This can considerably reduce production cost and sets a great example for enterprises.
During the production of ceramic tile, the heat energy of dry kiln is mainly provided by burning diesel oil. One production line will consume 1.5t diesel oil in this link every day. 1t diesel oil is worth 4600 RMB, thus 4900 RMB will be spent for each production line per day. Due to the technology of waste-heat utilization, we can save almost 14 million RMB a year.
Specifically, we will firstly extract the high temperature gas (Max. 1170-1200℃) from the roller kiln and then inject into the dry kiln. In this case, diesel oil can be saved.
Installation of FM Power Saving Devices
In the production of ceramic, ball mill will consume a large amount of power. From 2006, KITO invested millions to install FM power saving devices and thereby reduce power consumption by 13%-15%. 240,000 RMB can be actually saved in a year.
Utilization of Waste Products
KITO established an art processing factory mainly used for implementing further processes such as cutting, carving, splicing, etc. to abandoned tiles, thus manufacturing some new product series such as "civilization debris". This is great for enlarging source of profit and increasing resource utilization rate.