A Compressed Air Aftercooler Water - Cooled operates through a heat - exchange process.When compressed air enters the aftercooler, it is at a high temperature due to the work done during compression. The aftercooler contains a network of tubes or a heat - exchanger core. Cool water circulates around these tubes or through the heat - exchanger in a separate chamber.As the hot compressed air passes through the internal passages of the aftercooler, heat is transferred from the air to the cooler water. The temperature of the compressed air drops rapidly as a result. The warm water that has absorbed the heat from the air is usually discharged, and fresh, cool water is continuously supplied to maintain the cooling effect. This process not only cools the air but also causes moisture in the air to condense. The condensed water can then be drained from the system, improving the quality of the compressed air by reducing its humidity.
| Model | Nominal flow rate | Air connection | Cooling water connection | Dimensions (mm) | weight (kg) | ||
| m3/min | L | w | H | ||||
| RSHS-100 | 10 | DN50 | Rc 1" | 1372 | 250 | 250 | 65 |
| RSHS-170 | 17 | DN65 | Rc 1-1/2" | 1401 | 285 | 285 | 90 |
| RSHS-220 | 22 | DN65 | Rc 1-1/2" | 1401 | 285 | 285 | 100 |
| RSHS-270 | 27 | DN80 | Rc 2" | 1427 | 340 | 340 | 145 |
| RSHS-350 | 35 | DN80 | Rc 2" | 1427 | 340 | 340 | 160 |
| RSHS-400 | 40 | DN100 | DN65 | 1776 | 405 | 547 | 225 |
| RSHS-500 | 50 | DN100 | DN65 | 1776 | 405 | 547 | 240 |
| RSHS-600 | 60 | DN100 | DN65 | 1776 | 405 | 547 | 260 |
| RSHS-700 | 70 | DN125 | DN65 | 2306 | 405 | 577 | 285 |
| RSHS-1000 | 100 | DN150 | DN80 | 2896 | 520 | 689 | 520 |
| RSHS-1200 | 120 | DN150 | DN80 | 2896 | 520 | 689 | 530 |
| RSHS-1500 | 150 | DN200 | DN80 | 2896 | 520 | 689 | 550 |
| RSHS-2000 | 200 | DN200 | DN125 | 3405 | 580 | 801 | 740 |
| RSHS-2500 | 250 | DN200 | DN125 | 3405 | 580 | 801 | 810 |
| RSHS-3000 | 300 | DN250 | DN150 | 3663 | 680 | 923 | 1130 |
| RSHS-3500 | 350 | DN250 | DN150 | 3663 | 680 | 923 | 1245 |
| RSHS-4000 | 400 | DN300 | DN150 | 3703 | 730 | 1016 | 1350 |
Applications
1. Rubber industry: In the process of rubber mixing, vulcanization and other processing, compressed air is needed to drive various equipment, such as vulcanization machines. The cooled compressed air can better control the processing temperature, prevent the rubber from overheating and other quality problems, to ensure the performance of rubber products.
2. Paper industry: In the papermaking process, compressed air is used for paper drying, wrinkling and other processes. The use of cooled compressed air can precisely control the drying speed and quality of the paper, avoid the paper due to overheating and brittle or produce uneven folds, and improve the quality of the paper.
3. Painting industry: Whether it is furniture painting or industrial equipment painting, compressed air is used to drive the spray gun. The cooled compressed air can make the coating better atomized, ensure the coating effect is uniform and smooth, and prevent the coating defects such as orange peel and flow hanging caused by the rapid drying of the coating due to the overheating of the air.
4. Sewage treatment industry: In sewage treatment plants, compressed air is used in the aeration process in the aeration tank to provide oxygen for microorganisms. Compressed air at the right temperature helps to maintain microbial activity, improve the efficiency of sewage treatment, and also extend the service life of aeration equipment.
5. Power industry: In the pulverized coal conveying system of thermal power stations, compressed air is used to transport pulverized coal. The cooled compressed air can avoid the spontaneous combustion of pulverized coal due to high temperature and ensure the safety of the transportation process. And in the cooling system of some electrical equipment, the compressed air after cooling water cooler can also provide cooling air at the right temperature.
6. Food packaging: Provide stable cooling air for food and beverage packaging equipment, prevent the deformation and damage of packaging materials due to overheating, ensure the sealing and integrity of the packaging, and extend the shelf life of food and beverage.
FAQ：
1. How to ensure the stability of the cooling effect?
First of all, ensure the stable supply of cooling water, including stable water pressure, water temperature and flow. At the same time, the regular maintenance of the equipment is also very important, such as cleaning the scale and impurities inside the cooler, checking whether the heat exchange tube is blocked or damaged, etc., to ensure that the heat exchange efficiency is always in good condition.
2. What should I pay attention to during use?
It is necessary to check the water quality of cooling water regularly to prevent scale, microbial breeding and other problems affecting the heat transfer effect. Pay attention to the pressure and temperature changes of compressed air and cooling water, and check the cause in time if there are abnormal fluctuations. In addition, it is necessary to correctly start and stop the cooler according to the operating procedures of the equipment to avoid frequent emergency stop and emergency start to cause damage to the equipment.
3. If we need to increase the flow of compressed air in the future, is it possible to upgrade or expand this cooler?
Product modular design, some models can improve the flow processing capacity by adding heat exchange modules, such as upgrade technical team will provide solution support, just add modules and adjust the control system parameters.
4. How much pressure loss will compressed air produce after passing through the cooler? How much does this pressure loss affect subsequent gas-using equipment?
Compressed air pressure loss by the cooler 0.02MPa-0.05MPa, in the industry standard, the impact on most gas equipment is small, sensitive equipment can be set at the outlet pressure adjustment device compensation.
