Three selection skills and maintenance tips for chiller equipment

Three selection skills and maintenance tips for chiller equipment

The chiller is a kind of water cooling equipment, by injecting a certain amount of water into the water tank in the machine, the water is cooled by the chiller refrigeration system, and then the low-temperature cooling water is sent to the equipment requiring cooling by the water pump, and the chilled water of the chiller takes the heat After leaving, the temperature rises and returns to the water tank to achieve cooling. In the pharmaceutical industry, chillers are mainly used to control the temperature control of fermented drugs.

　　 Since the 21st century, the market demand for water chillers in my country has been increasing and the scale has been expanding. The chillers have achieved good development and the scope of application has become more and more extensive. However, it is understood that most of the domestic companies that develop chillers only purchase imported compressors and basically have no profit. Foreign centrifuge manufacturers will not easily sell their core technology, so domestic chillers can only take the road of independent development. With the continuous maturity of design and manufacturing technology, it is possible to develop domestic chiller equipment. Pharmaceutical companies should make full use of chiller equipment, continue to strengthen technological innovation based on their advantages, and enhance the cost-effectiveness of chillers, so as to better serve the pharmaceutical sector.

　　With the development of society and the demand for energy saving, the chiller market has shown a good development trend in recent years. However, in the chiller market, whether it is in the past, present, or future, whoever wants to gain an advantage in battle and maintain the lead still depends on real technology. Today's market has a great demand for new technologies and new products. The market needs fresh blood. The chiller equipment industry also needs to continuously develop high-tech and cutting-edge products, and there will be higher requirements for the appearance and manufacturing process of the unit.

　　 In the new round of competition, chiller manufacturers continue to "cut and poke" and actively improve equipment defects, leading to the emergence of various diversified domestic equipment in the market, which can largely meet domestic demand. So, for many buyers who don't know much about chiller equipment, how to select and maintain it is very important. A good choice will help the smooth operation of enterprise production, otherwise it will cause certain losses. In this regard, the editor has compiled some tips on the selection of chillers, as well as common sense of maintenance of cooling tower equipment in chillers, hoping to help chiller buyers.

　　How to select the chiller?

　　1. Temperature control range:

　　 According to different temperature control ranges, chillers are divided into standard chillers and low temperature chillers. The temperature control range of standard chillers is 3-35 degrees, and the temperature control range of low temperature chillers is 0-20 degrees.

　　 2. Type selection:

　　Industrial chillers are mainly divided into water-cooled chillers and air-cooled chillers. Water-cooled chillers need to be equipped with cooling water towers, circulating water pumps, and use water towers for heat dissipation. The air-cooled chiller does not require other equipment, and exchanges heat through its own fan and air.

　　3. Model selection:

　　 After determining the type of chiller, the choice of model is also destined. Because each chiller has many specifications and models. Therefore, when configuring the chiller, you must carefully calculate the cooling capacity and chilled water capacity and other parameters.

　　The specific maintenance method of the cooling tower equipment of the chiller

　　1. Operation record. When the FRP cooling water tower is constructed or installed and put into operation, the design unit or manufacturer shall provide all the characteristic data of the cooling water tower: including thermal characteristics, resistance characteristics, water load, heat load, ambient temperature, cooling range, air flow rate, concentration Multiplying factor, fan power consumption, water pressure entering the tower, etc.

　　2. Measuring instruments and methods. In order to detect the operating effect of the glass fiber reinforced plastic cooling water tower, or to evaluate the size of the cooling capacity, it is necessary to conduct an indoor test or an identification test on the operating cooling water tower at the production site. Therefore, it is not only necessary to have scientific and technical personnel for the cold water tower test and research, but also a complete set of test methods that meet the specifications.

　　 3. Cooling water collection tank. The cold water sump should maintain the water depth of the pool to prevent cavitation. The freeboard height of the sump is 15~30cm, and the following is the effective volume of the pool. The water level of the pool should be maintained at a certain level, otherwise the supplementary water valve needs to be adjusted. For cross-flow cooling water towers, if the operating water level is lower than the design requirements, an air baffle should be installed below the original water surface to prevent air from bypassing.