Firefighters deal with the cold weather

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This message is from Eric Haak: I responded to three fires on Wednesday and arrived late at all of them. I thought it would be a good idea to share a few photos from each fire as a tribute to all the first responders who have to work in such tough conditions. The first image shows the front of a building on the 1500 block of Kostner that was completely covered in soot, which tells me the fire must have been pretty intense. In the third photo, you can see a dog being rescued from the scene — a heartening moment amid the chaos. The third and fourth images were taken at another structure on the 9100 block of South Crandon, also a still-and-box style building. These types of structures can be especially dangerous because they’re often older and more vulnerable to rapid fire spread. The last photo captures Engine 38 on the 1400 block of South Ridgeway, where they had their second call of the day. It's always impressive to see how quickly these crews move and how dedicated they are, even when the weather is brutal and the conditions are challenging. These pictures give just a small glimpse into the hard work and bravery of the firefighters who put their lives on the line every day.

Water Cooled Water Chiller

Introduction to water cooled water chiller

Water cooled chiller is a kind of cooling equipment that are widely used in industry, commerce and construction to provide cooling water to adjust temperature or meet process requirements.

Unit classification

According to the different cooling source used by the chilled water Air Conditioning, this kind of commercial water chiller can be divided into water chiller with natural water at normal temperature, such as groundwater, surface runoff, etc. as the cooling source, and water chiller with cooling equipment like cooling tower as the cooling source. Among them, the water source used by the water chiller that uses cooling equipment as the cooling source is tap water.

In the chilled water air conditioning system that uses natural water at normal temperature as the cooling source, the water as the cooling source does not circulate continuously in the unit, but is immediately sucked and discharged, so the temperature of the water participating in the heat exchange as the cooling source is very stable,

In the water cooled water chilling system that uses cooling equipment as the cooling source, the real cooling source is the tap water that has been cooled down after evaporation and heat dissipation by the cooling equipment. The tap water circulates continuously in the unit, and the water will be heated up after participating in the heat exchange, and then it will be cooled down by the cooling equipment, and participate into the circulation again after cooling. Therefore, the temperature of the cooling source is not stable, and it is necessary to replenish water to the cooling equipment to ensure that enough water participates in the circulation, thereby ensuring the cooling effect of the cooled water chiller.

Therefore, users who intend to purchase a water cooled water chiller need to first determine what cooling source is available to you first to choose the suitable air conditioner chiller unit.

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