Mr. Ije Cho (917-669-5469) is at the Classic Cleaners in Upper Montclair, NJ for its annual boiler inspection. He is there to clean the boiler before the inspector arrives. In part 2, he completely opens the boiler and removes sensors.
Plant Maintenance, Boiler inspection, part 2 Read More »
Mr. Ije Cho (917-669-5469) is at the Classic Cleaners in Upper Montclair, NJ for its annual boiler inspection. He is there to clean the boiler before the inspector arrives. In part 1, he opens all the handholes and clean the inside.
Plant Maintenance, Boiler inspection, part 1 Read More »
There is a long list of impurities to be found in water entering a boiler. However, in the dry cleaning and laundry industries, the major ones effecting the operation of boilers are dissolved solids (known as TDS, or total solids) and oxygen which is dissolved in the new, city water entering the return tank. This
보일러로 들어오는 물에는 다양한 불순물이 포함돼 있다. 하지만 드라이클리닝과 론드리 산업에서 가장 신경 써야 하는 불순물은 전용해물질(TDS: Total Dissolved Solids)과 산소로 리턴탱크로 들어오는 상수도 물에 녹아 있다. 물속의 산소는 이산화탄소와 결합해 탄산(carbonic acid)을 형성하는데, 이것이 보일러는 물론 스팀 시스템 배관까지 부식시킨다. 보일러 용수에 녹아있는 산의 농도는 pH 계수로 표시한다. TDS와 pH를 측정하면 플랜트로 들어오는 물과