In recent years, some districts in Beijing have some imbalances in water quality and serious thermal imbalance. The loss of resistive force in the near-end residential area is small, and the water supply is short-circuited back to the thermal power station, causing the near-end user room temperature. The incidence of complaints is high. This year, Tongzhou some communities, such a problem occurred, although the design of the pressure balance valve and the flow balance valve, but the proximal room temperature?, Remote low temperature remains unresolved. Thermal balance valve can effectively solve the above problems, the use of some cells excellent results. Its working principle is through the test of hot water temperature through the valve body, the use of thermal expansion and contraction of the characteristics of materials, automatic opening or closing the valve opening, which automatically adjust the water flow, high water temperature, the flow through the valve Small or even closed; water temperature is low, the water flow is large, and even the valve is fully open, this change is with the temperature changes. The heat balance valve is installed on the backwater pipe of the heating system to automatically adjust the water flow according to the backwater temperature to avoid direct short circuit of the high temperature water to the backwater pipe to ensure the hot water in the water supply pipe can reach the far end to fully utilize the heat energy and save energy. And the thermostat valve on the handle can be adjusted and set the backwater temperature at any time, the use of handheld infrared thermometer test return pipe wall temperature can be back to the water temperature data, easy to adjust the backwater temperature. In the past, most of the household pipelines used single-pipe tandem design. The application of self-operated heat balance valve was limited and was mostly used to solve the heat balance problem between buildings. Due to the lack of understanding of the performance of the heat balance valve, heating in the heating system is often not heating After balancing the problem, use it as a remedy. Therefore, the manufacturer only produces more than 40mm large caliber thermal balance valve, used for thermoelectric, pharmaceutical, petrochemical and other industries. Now the home heating system pipelines in parallel implementation of double pipe in the heating system design and more in the water supply pipeline set up a variety of balance valve; in the design, the backwater pipe set heat balance valve, by controlling the temperature and Flow, thereby controlling the inflow, instead of pressure (flow) balance valve, can play a multiplier effect. Please see the following from Beijing New Energy-saving Equipment Co., Ltd. heat balance valve application cases: First, a group of Liaodong camp area, central heating system, residential buildings, office buildings, barracks branch pipeline connection, the design of thermal balance valve, installed in Each branch back to the water pipe, there is no uneven heating after use. Second, the Shenyang Military Region Artillery Academy, central heating system, the design of dormitory area is no thermal balance valve, stamped with two rows of new buildings, heating boiler room near the building thermal balance valve installed, without increasing the heating capacity In the case, guaranteed heating. Third, Jinzhou Teachers College, central heating system, thermal balance valve installed in all teaching buildings, winter vacation when the school holiday, the school building using low-temperature thermal balance valve, the teaching building operation at low temperatures to reduce the pressure on the boiler room, but also to ensure sufficient heat to teach Staff quarters warm through the winter. Fourth, a district of Changchun, central heating system, one of the buildings to install floor heating, each return pipe installation diameter 20mm thermal balance valve to solve the problem of hot water temperature is too high, room temperature control is better. Fifth, a residential building in Shenyang, the vertical layout of single-tube heating, the sun hot, cold shade, the hot vertical pipe at the end of the installation of thermal balance valve, the situation improved. Sixth, Shenyang Meilongjiayuan district, ground source heat pump refrigeration heating system for three buildings heating, three buildings are on the ground 23 layers. One of the buildings was not in good condition for heating and cooling, and the other two were over-crowded. Two large-caliber thermal balance valves were installed on the backwaters of the two buildings to solve the problem of unbalanced cooling and heating. After testing, three buildings backwater temperature difference from the past more than 10 ℃, control to a difference of 1 ℃, to solve the problem of uneven temperature. The heat balance valve can set the valve opening and closing temperature as needed, so it can also be used as a steam trap on the heat exchanger to ensure the condensing water discharge temperature, to maximize the use of heat energy. In the hotel and residential water supply end of the installation of thermal balance valve, you can ensure that the temperature of hot water users do not have to let go of the pipeline of low temperature water, water conservation. Thermal balance valve does not run electricity, no need to install the detection device, installed directly on the pipeline. Temperature sensing device installed in the valve body, the direct induction of water temperature, temperature and temperature materials directly promote the thermal expansion and contraction valve operation, open or close the valve, because it is slow, will not produce water hammer phenomenon, the entire system does not produce adverse influences. In the past, thermal balance valves were widely used in the industrial field. Due to various reasons, the HVAC valve was not widely used in the field of heating for residential buildings. It is hoped that HVAC engineers and parties can understand and research this product to play its due role , To provide the general public with a healthy living environment.
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