low pressure 0 7Mpa central heating steam boiler

A decentralized heating heating mode and centralized heating in two categories. In the user local decentralized heating, for heating the size limit, only the low thermal efficiency parameter.Small CFBC boiler rate is not high (the thermal efficiency is about 50%). However, by thermal power plant heating central heating area is formed. Due to the large scale heating, the parameters of high efficient large CFBC boiler (thermal efficiency is up to 85%), so that the energy utilization efficiency greatly improve, saving fuel.

Measures to improve the thermal efficiency of the boiler plant food which measures to improve the thermal efficiency of the boiler plant foods What? Many food factory in boiler production process, due to the thermal efficiency of the boiler has not improved, or thermal efficiency of the boiler has been in a low stage of words. For productivity improvement and waste of resources but also have a very large loss. So be sure to conduct a detailed understanding of how the method for improving the thermal efficiency of the boiler plant is for food. 1) The flue gas heat recovery techniques to reduce exhaust smoke heat loss of the main factors affecting the exhaust gas temperature is lost. The higher the exhaust gas temperature, exhaust heat loss will be. Now, when most of the new boiler factory is equipped with flue gas heat recovery equipment, such as economizers, half or full condensation condensing flue gas heat recovery device, these measures can effectively reduce the exhaust gas temperature and improve the thermal efficiency of the boiler. 2) reasonable control air-fuel ratio, to optimize combustion and reduce the loss of incomplete combustion when the heat losses and the excess air coefficient is too high, corresponding to the remaining inhaled cold air into the furnace, the remaining part of the cool air which does not participate in the combustion, but vain drained after being heated, the heat loss of exhaust gas is increased; cold air into the furnace as to continue to increase beyond a certain limit, the furnace temperature will drop, will not constitute a complete loss of combustion increases. When the excess air coefficient is too low, because the fuel can not get enough oxygen to completely burn incomplete combustion loss increases configuration. The prolonged severe incomplete combustion, boiler heating surface will result in carbon, influence the efficiency of heat transfer, exhaust loss continues to increase. Thus, the reasonable control of air-fuel ratio, exhaust heat loss q2 try to drop and incomplete combustion loss q3, is to improve the thermal efficiency of the boiler of the other key points.

Gas-fired low pressure 0 7mpa central heating steam boiler which needed to do the preparatory work before use: preparation and method of operation before the water table and put into use fuel gas steam boiler, the scope of fuel gas steam boiler in our daily lives is very extensive, a lot of occasions can be seen . Because now gas steam boiler various types of products, have been well spread, and even many types of products, has entered the homes of ordinary people, yet special products already covered large, medium and small three types of large Some models, small series here today to introduce you to what preparatory work needs to be done before the official use of gas-fired boiler. What preparatory work needs to be done before the official use of fuel gas steam boiler: 1, fuel gas steam boiler and using the system should have qualified installation qualification units installed, installed according to the national quality inspection and acceptance criteria. 2, safety valve, ground fault protection and other safety equipment fuel gas steam boiler must be complete and effective, regular inspection, calibration. 3, boiler room fuel gas steam boiler should be someone on duty, and the duty to make records. 4, fuel gas steam boiler power supply capacity should match the boiler capacity. 5, according to the requirements of gas overpressure on the adjusted gauge, the lower limit (0.28-0.4MPa), normal pressure, the pressure gauge, the lower limit (0.2-0.3MPa). Fuel gas steam boiler water level gauge operating daily use of fuel gas steam boilers are common in everyday use, in order to ensure the safety of gas-fired boiler fireman who needs access to the city quality Bureau of Technical Supervision issued a certificate before operating fireman (the mass acceptance of this request boiler Technical Supervision Bureau have already stressed). While the water table should always be kept clean, to avoid affecting the inspection and purify water level convergence and scale revenue backlog Dusseldorf and the emergence of false water level sight incurred attack Incident gas boiler. To this end should be a review scour every day. Gas boiler water level meter operating daily use problems need to pay attention what fuel gas steam boiler water level gauge operating daily use problems need to pay attention what:? 1, open the drain valve of the water table, even the steam pipe, even water pipes, water level It was itself water vapor and scouring; 2, the closed water pipe connected valves, and the level indicator of the vapor itself even brushing steam pipe receiving; 3, close the gas valve with tube steam boiler water, even steam pipe valve closed, the water even water pipes were flushed; 4, SAIC union off valve, turn on the water closed the door, scour the end of the task, restoring the normal operation of the gauge. Environmental precautions necessary to run the boiler precipitator

Guangdong Provincial Quality and Technical Supervision regarding the development of biomass briquette boilers special work

Recently, Guangdong Province issued "Notice on biomass briquette boilers special work" (the "Notice"), requiring the province since the beginning of July biomass briquette boilers carpet Mocha by three months the complete list of developed and complete the scattered dirt biomass boilers in the province before the end of 2019, direct combustion, such as non-compliance out of chaos and rectification.

First, remediation objects

According to "People's Republic of China Air Pollution Prevention Law" and "Guangdong process boilers pollution remediation plan (2016-2018 years)", (Guangdong ring [2016] No. 12), this special work-out and the quality of the main targets include: direct burning biomass boiler, the boiler does not meet the high-pollution fuel combustion zone ban management requirements, central heating boilers dispersed within the heating network coverage, the boiler gas pipeline network coverage, the use of coal and its products the dual-fuel or multi-fuel biomass fired boiler, coal-fired boiler into a biomass briquette boilers do not meet the legal reform program, it has been approved by the people's government the right to shut down the boiler and other companies.

Second, the remediation measures

(A) strengthen the management of biomass briquette boiler

New boilers should biomass briquette Briquette dedicated biomass boilers (or dual-fuel fuel designs allowed). For the latter meet the conditions for registration of quality supervision departments also must apply for environmental procedures according to law, be put into use.

(B) strictly regulated pollutants raw material is fired boiler

Environmental protection departments should strengthen supervision of pollutant emission biomass-fired boilers molding, organize supervision and monitoring of the discharge port of inspection car, pollutant emission concentration of biomass fired boiler to reach or better than the current corresponding to the natural gas boiler emissions standard (conversion 9% oxygen content reference emission concentration), the concentration of carbon monoxide emissions of less than equal to 200 mg / cubic meter, the feed inlet video surveillance facilities biomass fired boiler is to be networked and environmental protection sector, more than 20 tons of steam biomass molded fuel boiler to be installed on-line monitoring equipment, and networking with the environmental protection departments to encourage 20 tons of steam biomass fired boiler to install online monitoring equipment. For pollutant emissions are out or do not meet the requirements dealt with by the environmental protection department according to the law, the quality supervision department cooperate with law scrapped boiler, write-offs.

Third, the time node

"Notice" announced the schedule for the remediation activities: biomass briquette boiler before June carding meet the special requirements of the boiler, the development of monitoring plans by the local environmental protection department, by supervisory monitoring, enterprise self-monitoring measures to ensure that in 2018 exhaust gas monitoring complete biomass fired boiler is in the list before the end of the boiler to investigate and punish excessive emissions.

7 to 10 months focusing on remediation biomass briquette boilers do not meet the special requirements of the boiler. Since August, the quality supervision departments throughout the province last month to the cancellation of the 5th of each month, scrap, corrective actions and a list of biomass briquette boiler re-enable the exchange to the same level of environmental protection department, the environmental protection department of the list with boiler organizations atmospheric monitoring pollutants.

In addition, quality inspection departments to be before the end of 2018, before the end of 62,019 years to complete before the end of October 2019 were 30%, 70%, to urge the rectification work 100% of the boiler problem.

After you have a list of remediation raw material briquette boilers, by supervisory monitoring, self-monitoring and other measures to organize corporate environmental protection departments in the country to receive quality supervision departments to provide complete exhaust gas monitoring within two months, to ensure that all students complete before the end of 2019 material fired boiler emissions monitoring.

Fourth, the work requirements

(A) submit the required work ledger

Listing biomass briquette boilers local quality supervision departments to the end of June 2018, is currently in line with energy-saving features of the device and safety requirements submitted to the Provincial Quality Supervision Bureau, the Provincial Quality Supervision Bureau to exchange Provincial Environmental Protection Office. The second half of 2018 --2019 end of each quarter, the environmental protection departments throughout the progress of work on the 5th an accumulation of sound required to submit the Environmental Protection Agency.

(B) a comprehensive inventory, leaving

To work closely local quality supervision departments and environmental protection departments, clear name and contact details, according to "local management, levels of responsibility, seamless, comprehensive coverage of" principle, carpet-Mocha, timely updated sound biomass briquette boiler list, the implementation of ledger-style, pin number management. A complete rectification, a pin number.

(C) strict law enforcement, supervision of implementation

Local quality supervision departments and environmental protection departments according to their respective functions, like take the time node, according to the law to carry out renovation work on the investigation, to ban the work may not be implemented, to promote the progress has lagged far behind, regulatory serious dereliction of duty, serious accountability related personnel responsibility. Provincial Environmental Protection Bureau, Quality Supervision Bureau will form a joint inspection teams fired boiler renovation work carried out around the biomass conduct spot checks, reporting the progress of work.

Overall, the Guangdong Province to seize the chaos veered to burn biomass briquette industry in recent years in existence, the name of biomass, coal and other solid chaos, both for air pollution control pollution, but also conducive to purifying biomass briquettes industry ecosystem, promote the healthy development of the industry norm.

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