This message is from Eric Haak:
Monday, February 15th was a hectic morning for southside fire companies. Around 1:30 AM, a fatal pin-in accident occurred at the intersection of 85th Street and the Dan Ryan Expressway. Just a short time later, Engine 49 responded to an automatic alarm at 43rd and Packers. Upon arrival, they found a light haze in an industrial building. The situation eventually escalated into a still and box fire with stacks of cardboard burning, though the sprinkler system kept it under control. Firefighters remained on scene for over three hours.
At 3:45 AM, Engine 101 arrived at a working fire at 76th and Artesian. An hour later, another still and box fire broke out at 5141 S. Princeton, where these photos were taken. Due to battalion chiefs being occupied at the earlier incidents, Battalion 7 was on scene as the incident commander. Several hydrants were frozen, and the fire spread to an occupied home on the “D†side. The original structure was a frame house that had been converted into a church. I’m not 100% certain, but I believe the spare engine was Engine 122, while the second box engine was Engine 5.
Eric Haak photo
Eric Haak photo
Eric Haak photo
Eric Haak photo
Eric Haak photo
Eric Haak photo
Eric Haak photo
Eric Haak photo
Eric Haak photo
Heat exchanger with spiral plate design is formed by steel plate bundle as a whole, forming two identical spiral channels. Two heat transfer medium are meant to meet a counter-current flow, to greatly enhance the heat exchange effect.
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