1. How to prevent vacuum damage?
Answer: 1. For the leakage of the furnace body, the detection of the production process is very important. The vacuum boiler adopts the “氦-mass spectrometry leak detection 氦 mass spectrometer leak detection†in the production process, mainly including parts leak detection (dissolving plug) and semi-finished product inspection. Leakage (welding part of the furnace body) and leak detection of the whole machine. High detection accuracy (氦 molecular level), thorough detection, completely preventable.
2. During the operation of the vacuum boiler, the non-condensable gas must be pumped out, that is, the vacuum is said.
2. Why do you have to vacuum during the operation of the vacuum hot water boiler?
Answer: When a non-condensable gas is generated inside the vacuum boiler, the pressure will rise accordingly, that is, the vacuum degree is destroyed. The effect of non-condensable gases generated inside the vacuum boiler on heat exchange efficiency is very serious. When the volume content of the non-condensable gas reaches 0.2%, the thermal efficiency is reduced by 20 to 30%, the outlet water temperature is not improved, and the boiler output is reduced. Therefore, when the vacuum boiler is operated, the non-condensable gas must be extracted.
3. What is zui's advanced vacuum maintenance method?
A: The advanced vacuum degree maintenance method of vacuum hot water boiler is the patented technology of Japan TAKUMA (Tian Xiong) company - the temperature difference type automatic intelligent air pumping device, which is a fully intelligent automatic pumping device. The control system diagnoses and pumps itself as needed, without human control.
4. Thermoelectric automatic pumping device?
A: Non-condensable gas collector, vacuum check valve, three-way valve, two-way valve, vacuum pump, exhaust pipe, temperature sensor and control system (see *page drawing).
5. How does the temperature difference automatic pumping device work?
Answer: Working principle: When non-condensable gas is generated inside the unit, the non-condensable gas (hydrogen) gradually accumulates in the gas collecting tank during operation. Since the non-condensable gas does not participate in heat exchange, the temperature of the gas collecting tank slowly decreases. . When the temperature difference between the gas tank temperature and the heat medium water temperature reaches 10 degrees, the control system issues an air pump operation command. When the non-condensable gas is pumped away, the negative pressure steam reaches the gas collecting tank, the temperature of the gas collecting tank rises, the temperature difference becomes small, the control system issues a command to stop the operation of the pump, and the pump operation stops.
6. What is the heat medium water?
Answer: The heat medium water is a kind of clean water that has been specially removed, deoxidized and softened by the manufacturing plant. It can be infused once in the production and can be recycled during operation. Generally, there is no need to add any special conditions.
7. What is the material of the heat exchanger in the vacuum hot water boiler?
A: The heat exchanger in the boiler is made of SUS304 stainless steel. The pipe is not easy to scale, has high heat transfer efficiency, does not rust, and is superior to ordinary heat exchange tubes in terms of water quality and flow rate limitation.
8. What are the main features of vacuum hot water boilers?
Answer: 1. No need to install monitoring, installation can be used; 2. Multi-purpose machine, save investment; 3. No corrosion, no crack, no drumstick, no squib, long life; 4. High efficiency, energy saving, operation, management Low cost; 5. High security performance.
9. What is the national regulatory policy for vacuum boilers?
A: The General Administration of Quality Supervision, Inspection and Quarantine issued a document in May 2002 [National Quality Inspection Pot Letter No. 288], which clearly stipulates the use of vacuum boilers: vacuum phase change boilers have lower pressure than atmospheric pressure due to the pressure of their medium circulation system. There will be no explosions. The manufacturing enterprise shall manufacture the vacuum phase change boiler according to the standard, and bear the legal responsibility of informing the user (including the boiler installer) to ensure the boiler system is always in a vacuum state. The installation unit of the vacuum phase change boiler is responsible for the installation quality in accordance with the installation requirements of the manufacturing enterprise. The vacuum phase change boiler that meets the above requirements does not need to be confirmed by the boiler and pressure vessel safety supervision agency of the quality and technical supervision administrative department, and it is not necessary to apply for registration.
10. Does the vacuum hot water boiler require annual inspection during the service life, and does the user need to pay the annual inspection fee?
A: There is no need to report, inspect, boiler house project, annual inspection (payment for annual inspection).
Answer: 1. For the leakage of the furnace body, the detection of the production process is very important. The vacuum boiler adopts the “氦-mass spectrometry leak detection 氦 mass spectrometer leak detection†in the production process, mainly including parts leak detection (dissolving plug) and semi-finished product inspection. Leakage (welding part of the furnace body) and leak detection of the whole machine. High detection accuracy (氦 molecular level), thorough detection, completely preventable.
2. During the operation of the vacuum boiler, the non-condensable gas must be pumped out, that is, the vacuum is said.
2. Why do you have to vacuum during the operation of the vacuum hot water boiler?
Answer: When a non-condensable gas is generated inside the vacuum boiler, the pressure will rise accordingly, that is, the vacuum degree is destroyed. The effect of non-condensable gases generated inside the vacuum boiler on heat exchange efficiency is very serious. When the volume content of the non-condensable gas reaches 0.2%, the thermal efficiency is reduced by 20 to 30%, the outlet water temperature is not improved, and the boiler output is reduced. Therefore, when the vacuum boiler is operated, the non-condensable gas must be extracted.
3. What is zui's advanced vacuum maintenance method?
A: The advanced vacuum degree maintenance method of vacuum hot water boiler is the patented technology of Japan TAKUMA (Tian Xiong) company - the temperature difference type automatic intelligent air pumping device, which is a fully intelligent automatic pumping device. The control system diagnoses and pumps itself as needed, without human control.
4. Thermoelectric automatic pumping device?
A: Non-condensable gas collector, vacuum check valve, three-way valve, two-way valve, vacuum pump, exhaust pipe, temperature sensor and control system (see *page drawing).
5. How does the temperature difference automatic pumping device work?
Answer: Working principle: When non-condensable gas is generated inside the unit, the non-condensable gas (hydrogen) gradually accumulates in the gas collecting tank during operation. Since the non-condensable gas does not participate in heat exchange, the temperature of the gas collecting tank slowly decreases. . When the temperature difference between the gas tank temperature and the heat medium water temperature reaches 10 degrees, the control system issues an air pump operation command. When the non-condensable gas is pumped away, the negative pressure steam reaches the gas collecting tank, the temperature of the gas collecting tank rises, the temperature difference becomes small, the control system issues a command to stop the operation of the pump, and the pump operation stops.
6. What is the heat medium water?
Answer: The heat medium water is a kind of clean water that has been specially removed, deoxidized and softened by the manufacturing plant. It can be infused once in the production and can be recycled during operation. Generally, there is no need to add any special conditions.
7. What is the material of the heat exchanger in the vacuum hot water boiler?
A: The heat exchanger in the boiler is made of SUS304 stainless steel. The pipe is not easy to scale, has high heat transfer efficiency, does not rust, and is superior to ordinary heat exchange tubes in terms of water quality and flow rate limitation.
8. What are the main features of vacuum hot water boilers?
Answer: 1. No need to install monitoring, installation can be used; 2. Multi-purpose machine, save investment; 3. No corrosion, no crack, no drumstick, no squib, long life; 4. High efficiency, energy saving, operation, management Low cost; 5. High security performance.
9. What is the national regulatory policy for vacuum boilers?
A: The General Administration of Quality Supervision, Inspection and Quarantine issued a document in May 2002 [National Quality Inspection Pot Letter No. 288], which clearly stipulates the use of vacuum boilers: vacuum phase change boilers have lower pressure than atmospheric pressure due to the pressure of their medium circulation system. There will be no explosions. The manufacturing enterprise shall manufacture the vacuum phase change boiler according to the standard, and bear the legal responsibility of informing the user (including the boiler installer) to ensure the boiler system is always in a vacuum state. The installation unit of the vacuum phase change boiler is responsible for the installation quality in accordance with the installation requirements of the manufacturing enterprise. The vacuum phase change boiler that meets the above requirements does not need to be confirmed by the boiler and pressure vessel safety supervision agency of the quality and technical supervision administrative department, and it is not necessary to apply for registration.
10. Does the vacuum hot water boiler require annual inspection during the service life, and does the user need to pay the annual inspection fee?
A: There is no need to report, inspect, boiler house project, annual inspection (payment for annual inspection).
Bosgoo(China)Tecgnology Co., Ltd , http://www.laohuang.com