Vacuum degassing unit with constant pressure and water supply

1. Product Introduction
With the rapid economic development, the urban industrialization process is accelerating rapidly, and the market continuously requires more advanced and more technologically optimized equipment to be invested in the urban industrialization construction.
In this regard, our company combined with years of experience in automatic water supply control, using international advanced technology, the first domestic research and development of central heating and central air conditioning system constant pressure, expansion, water replenishment, vacuum degassing four-in-one equipment. The device is highly integrated and intelligent, and integrates computer technology, network communication technology, remote measurement and control, detection, monitoring and other patented technologies. It plays a role of stabilizing in the system, automatically replenishing water, expanding and automatically draining water, and removing free gas and dissolved gas in the system. Keep the system in a state of high efficiency, environmental protection and energy saving.

2. Equipment working principle
Vacuum constant pressure water replenishment exhaust device uses the adjustable capacity of the air pressure tank to automatically adjust the changes in the user's water volume. When the water consumption is reduced or not used, the water pump can not be started for a long time to achieve energy saving. Compared with water tower and high-level water tank, investment can be saved by about 40% -60%. The equipment has a compact structure, compared with other traditional water supply devices, it reduces the floor space and saves land resources. This equipment is fully automatic operation, without the need for special personnel management, reliable work. At the same time in the water circulation system: on the one hand, there is a large amount of gas. If it is not removed, it will easily cause gas resistance, resulting in poor circulation of the local or entire system and uneven heating and cooling, as well as damage to equipment and pipes; on the other hand, the water contains Oxygen causes corrosion of end equipment such as heating (cooling) equipment, pipelines and steel radiators. Perforation and water leakage directly affect the safety of the entire system. The degassing equipment in this unit is based on the law of Henry: That is, a certain amount of gas is dissolved in water at a certain temperature and pressure. When the temperature increases or the pressure decreases, the dissolved gas in water will decrease. The principle of passing without changing the water temperature The equipment generates a vacuum to release free gas and dissolved gas in the water, and then exit the system through an automatic exhaust valve. The unsaturated water after degassing will absorb the gas in the system to seek gas-water balance. This cycle removes all gases from the system water and ensures stable and safe operation of the system.

3. Main features

1. Automatic constant pressure, automatic water supplement, automatic water release, automatic removal of free gas and dissolved gas in the system.

2. The operation parameters can be set arbitrarily, which is suitable for any closed constant pressure water supply place.

3. Energy saving: automatically read the system information, and start the equipment operation only when necessary.

4. Degassing efficiency and deoxidizing efficiency are more than 99%.

5. It can greatly shorten the exhaust time after the first water injection of heating or cooling system, which is very conducive to the first commissioning of the system.

6. Remove the gas in the system, prevent gas resistance, and ensure the stability and reliability of the system during normal operation.

7. Eliminate water pump cavitation and reduce system operation noise.

8. As the oxygen in the water is removed, the aerobic corrosion of the system will be reduced and the service time of the equipment will be prolonged.

9. As the gas in water is removed, there is no gas bubble on the surface of the heat exchanger, which improves the heating efficiency.

10. The working time and cycle of degasser can be adjusted as required.

11. The capacity of single applicable system can be up to 350m & sup3; and multiple units can be used in parallel.

12. Small floor area, convenient installation and use, fully automatic operation, safe and reliable, easy to maintain.

4. Performance parameter
◆ Adapt to system pressure: 0.1-2.0Mpa
◆ Water supply pressure: ≥0.1Mpa
◆ Ambient temperature: + 5 ℃ ～ + 40 ℃
◆ Power supply: 380V / 50Hz
◆ Installation place: indoor

5. Device function
◆ It integrates four functions of automatic constant pressure, expansion, water supplement and vacuum degassing.
◆ Eliminate expansion water tank and large-scale air pressure water tank, simplify the system
◆ Extend the service life of equipment and pipelines
◆ Improve the heat transfer efficiency of the equipment to eliminate pipeline noise and gas resistance in the system
◆ The volume of single degassing water treatment system can be up to 150m³
◆ One use, one backup, double vertical pump water replenishment function
◆ Optional frequency conversion control and general control method
◆ Reliable mechanical performance, full Chinese operation interface

6. Installation diagram

7. Equipment model table