Company News
How to choose a condensing wall-mounted boiler?
Release Date:
2022/05/26 14:23
Due to excess air and the combustion season, many users pre-combust excess air when installing gas wall-hung boilers for decorative purposes. However, many consumers are confused when choosing a wall-hung boiler. The market offers wall-hung boilers based on European technology, as well as condensing boilers marketed by domestic manufacturers that claim to recover waste heat. So how should users choose between different types of condensing boilers? The principle of a condensing boiler is essentially the same as that of a conventional wall-hung boiler, with an exhaust outlet and a secondary heat-exchange unit; however, the combustion method still relies on traditional gas combustion. Because gas combustion is often incomplete, it can lead to significant fuel wastage or, when there is excess air, to the formation of excessive nitrogen oxides, resulting in efficiency losses in some wall-hung boilers. Therefore, the key to achieving true condensation lies in using a semi-condensing boiler rather than a fully condensing one. In semi-condensing wall-hung boilers, the combustion chamber is typically made of stainless steel or silicon-containing materials, while the heat exchanger is constructed from highly corrosion-resistant stainless steel with excellent acid-corrosion resistance. As a result, such boilers generally have a design life of 15 years or more, and those that incorporate semi-condensing technology significantly outlast conventional fully condensing wall-hung boilers. The core issue in selecting an appropriate condensing wall-hung boiler is that the wider the power-modulation range and the more precise the operating temperature control, the better the overall suitability. A broader power-modulation range reduces frequent boiler start–stop cycles, thereby meeting
Why do so many people prefer to use condensing wall-mounted boilers?
Release Date:
2022/05/26 14:23
Why do so many people choose condensing wall-mounted boilers? Condensing wall-mounted boilers achieve higher efficiency when operating at low temperatures, making them particularly well suited for low-return-water-temperature underfloor radiant heating. This is determined by the condensing nature of these products. Typically, the supply water temperature for underfloor heating should not exceed 6°C; in actual operation, the common supply-and-return water temperature is around 40°C—precisely the temperature range within which condensing wall-mounted boilers can deliver their maximum efficiency. The primary advantage of a high-quality condensing wall-mounted boiler lies in its effectiveness, and all system design and component selection are aimed at maximizing condensation. Whether it’s underfloor heating or radiators, as long as the system’s supply water temperature can be lowered into the effective operating temperature range for condensation, the results will be excellent. Some people question whether condensing radiators can truly deliver effective performance. In fact, the supply water temperature for a condensing wall-mounted boiler can be controlled by selecting low-temperature radiators or by appropriately increasing the surface area of standard radiators in the system configuration; combined with climate-compensation technology and optimized radiator sizing, effective condensing operation can be achieved. Of course, to ensure that condensing wall-mounted boilers are used to their full potential, simply producing high-quality products and ensuring proper installation is far from sufficient—it also depends on consumer support and acceptance. Jiangsu Nuowinte Thermal Energy Equipment Co., Ltd. has developed a line of condensing wall-mounted boilers, including a comprehensive series of condensing wall-mounted boilers.
Release Date:
2022/05/26 14:23
What are the characteristics of a furnace factory? What is the start-up efficiency of a household wall-mounted thermostat? For common wall-mounted thermostats, the start-up efficiency involves fully adjusting the temperature or setting the thermostat to a constant temperature, then lowering the thermostat setting or maintaining a stable temperature. The operating efficiency of a traditional hot-water fireplace is 0%. In contrast, the efficiency of a new condensing boiler is 10%. Compared with electric or frame-based heating systems, gas-fired fireplaces boast an efficiency of 90%, while new condensing boilers achieve an efficiency of 100%. By comparison, electric or frame-based heating systems have an efficiency of only 1%. Thus, gas-fired fireplaces and new condensing boilers significantly outperform electric or frame-based heating in terms of heating efficiency.
Wall-mounted boiler manufacturer: What is the working principle?
Release Date:
2022/05/26 14:23
Wall-Hung Boiler Manufacturers: What Is the Working Principle? A wall-hung boiler is a general term for natural-gas-fired wall-mounted boilers, formally known as gas-fired wall-mounted heating boilers. It is an electric water heater powered by natural gas and incorporates a range of safety protection measures, including freeze protection, overheating protection, emergency shutdown protection, over-temperature protection, centrifugal pump protection, and other safeguards. Natural-gas wall-mounted boilers provide central heating, and models developed by wall-hung boiler manufacturers can meet the heating needs of multiple residential units. Each home can set a comfortable temperature according to its own requirements, and users can independently turn off heating in specific rooms as needed. In addition, these systems offer wide-range flow adjustment and maintain a constant-temperature, hygienic hot-water supply. Wall-Hung Boiler Manufacturers: What Is the Working Principle? Once the wall-hung boiler’s start-up motor is activated, the centrifugal fan starts first, causing the negative pressure in the combustion chamber to drop. The air-pressure switch then sends a signal to the centrifugal pump, which starts up; subsequently, the water-flow switch activates the household electrical components and sends a command to the gas proportional solenoid valve, gradually opening it. As the gas proportional solenoid valve opens and the air-pressure switch closes, the negative pressure in the combustion chamber decreases, the air-pressure switch shuts off, and the air-pressure switch again sends a signal to the centrifugal pump, which starts up. With the centrifugal pump running, the water-flow switch also activates, sending a signal to the household solenoid valve, thereby completing the sequence.
Points to Note When Using a Wall-Mounted Boiler
Release Date:
2022/05/25 14:00
The days when heating relied solely on radiators in the north and fans in the south are gradually fading. Even in regions where central heating is not yet available, wall-mounted gas boilers offer a convenient, flexible, healthy, and comfortable heating solution, making them an ideal choice for homes without centralized heating. As a result, many people opt to install gas-fired wall-mounted boilers in areas without central heating. These boilers are sophisticated, integrated systems that combine water and electricity, so safety is of paramount importance. Today, Brother Song will share some essential safety tips and energy-saving techniques for operating wall-mounted boilers, ensuring you can enjoy a warm and comfortable living environment throughout the upcoming colder months. 1. Always use only the type of gas specified on the product’s nameplate (natural gas, town gas, liquefied petroleum gas, biogas, etc.); do not use other types indiscriminately. 2. Wall-mounted boilers should be installed in the kitchen or on a closed balcony, but never in the bathroom or bedroom. 3. When ambient temperatures may drop below freezing, the boiler must remain powered. In standby mode, as long as the gas supply is unobstructed, the primary circulation piping is clear, and the heating system maintains normal water pressure, the boiler’s freeze-protection feature and the pump’s anti-interference protection will activate. If any of these conditions are not met—whether due to frozen pipes, blocked circulation, or insufficient water pressure—the boiler, piping, and radiators could be damaged by ice formation, potentially leading to safety hazards. During winter, prolonged power outages or extended periods of absence from home can also cause ambient temperatures to fall below freezing, increasing the risk of such damage.
Tips for Using Wall-Hung Boiler Products
Release Date:
2022/05/25 14:00
Wall-hung boiler manufacturers offer products that are flexible, convenient, safe, efficient, energy-saving, and environmentally friendly. In addition, this equipment serves two purposes: it not only provides heating on cold days but also supplies domestic hot water, which many users appreciate. However, when using it in daily life, it is important to be familiar with certain safety guidelines and energy-saving practices, so that the wall-hung boiler can operate more comfortably. Wall-hung boilers are flexible, convenient, safe, efficient, energy-saving, and environmentally friendly. Moreover, they serve two functions: they provide heating in cold weather and supply domestic hot water, making them popular among many households. Yet, when we use them in our everyday lives, we should also understand some safety precautions and energy-saving techniques, ensuring that the wall-hung boiler operates more comfortably. 1. Heating method for wall-hung boiler products: The water pressure must not be too high; the optimal range is 1.2–1.5 bar. At all times, the pressure gauge needle on the wall-hung boiler should never fall below 1 bar or exceed 2 bars. If the pressure drops below 1 bar, it must be replenished to between 1 and 1.5 bar to ensure the boiler’s normal operation and prevent damage under high-temperature conditions. 2. Selecting the appropriate gas: Most households use gas-fired wall-hung boilers, and the gas used must meet the product’s specifications. If you choose a gas-fired wall-hung boiler, you must use fuel gas that complies with the manufacturer’s requirements.
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