industry natural gas fire tube boiler

industry natural gas fire tube boiler

Differences and characteristics of vertical and horizontal industrial industry fire tube boilers industrial boilers: with respect to the vertical boiler, many customers are more inclined to horizontal boiler, and why? In large part because all that space boiler room. Another reason is the customer's misunderstanding that is long sideways horizontal boiler, is standing vertical boiler, for example, many customers believe that large-scale bulk fluidized bed boiler is vertical, but for this boiler, the and no vertical or horizontal points. Boiler industry-specific vertical and horizontal boiler boiler two words, speaking from the model, such as gas-fired boiler fuel WNS is horizontal, that is, "W" of the content, which is a horizontal furnace oil and gas products; standing the boiler is LSG vertical "L" of pressure boilers.

Guangdong Provincial Quality and Technical Supervision regarding the development of biomass briquette industry fire tube 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.

Gas industry fire tube boiler room gas leak serious harm to the increasingly tense in recent years as the price of coal and coal supply more of our day to rise, more and more companies turning to heating gas heating from conventional coal-fired heating, gas supply heat its environmental protection, energy conservation in the country has been more widely used, especially gas central heating boiler room the most popular. So gas boiler room safety management has also become an important issue in the heating industry attention. In recent years, Nansen boiler room with heating company EMS / OSH / HSE management system as the carrier continued analysis of hazards and risks boiler room gas leak, the development of effective preventive measures, the use of a number of advanced new technologies at home and abroad, new technology and new equipment to ensure the safe and stable operation of the boiler room. The main component of natural gas we use are: methane content 98, the content of 0.3 propane, butane content of 0.3, 1 and the nitrogen content of other substances, high calorific value 9650 kcal / standard side, the low calorific value 8740 kcal / standard side, explosion limit: 5-15. We call regional gas may leak means natural gas pipeline, a valve table, fitting between the regulator from the station to the boiler (including boilers) and the like. Wherein the regulator station for the fan to between buried pipeline between the boiler to fan out to the overhead line. Gas explosion in an instant, (the number of thousandths of a second) the production of high-temperature (up to 3000 deg.] C), high-pressure combustion process, explosion velocity of up to 300m / s, resulting in a great destructive power. If a natural gas leak encountered fire, static electricity, lightning or improper operation such as an explosion, a fire in a confined space will make people hypoxia, asphyxia and even death, to production safety and the state and the people incalculable loss of life and property .

Industrial industry fire tube boilers and control systems of foreign countries: (1) is designed to not only focus on boiler heating systems also pay attention to both attach importance to the development and integration of hardware, pay more attention to the boiler control model and control software research and development; (2) pay attention to the reliability of the control device , economy, such as small oil, gas boiler still use many relays, contactors logic control; (3) control the boiler operation is fully automated, requires less or no operator; (4) larger capacity boiler widespread installation of combustion optimization system based on an online industrial control computer; (5) the use of group control technology while controlling put into operation and out of multiple boiler according to the actual load; the use of (6) information technology continues to improve, medium and small boilers can be transmitted via the mobile Internet managers to operate the boiler boiler operating conditions, overload alarm and other critical information, and to accept operator performs the operation command, the boiler operating data may also be connected to the building automation system via a local area network, the Internet ( BA), the wisdom of the factory system to go; (7) Internet-based remote monitoring system boiler was Development and application. Compared with the boiler control technology and equipment abroad, mainly in the following gaps: ① slow combustion control technology, especially coal-fired boiler combustion control technology development; compared to the presence of on-line monitoring and sensor technology for combustion control developed ② large boiler the gap; the presence of reliability and developed sensor ③ boiler combustion control, actuators and control equipment compared to a big gap; ④ light weight hardware-oriented software for boiler control there is the negative impact of technological development; ⑤ remote operation and control, monitoring system still in its infancy, there is a large distance away from the application; ⑥ majority control equipment still in operation control based on boiler safety level, based on a handful of boiler control equipment taking into account the number of energy-saving, environmental protection and performance of the system control. 3 standardized "Twelfth Five-Year" period, the standardization of industrial boilers has made considerable progress to revise the "Boiler Safety Technology Supervision" of TSGG0001 and TSGG0002 formulate "energy-saving boiler technology Supervision" as the starting point, through the development of core boiler product standard GB / T16507-2013 "water-tube boilers", GB / T16508-2013 "shell boilers", on the basis of gradually straighten out the boiler standards with international standards and further amendments, including one after another on the GB / T10180 "industrial boilers thermal performance testing procedures "and other issues involving the boiler and related components, ancillary equipment design, manufacture, use and inspection of industry regulations and standards 62 (six of which industry technical regulations, national standards and industry standards 30 26, see Appendix H) and universal implementation, technical specifications and standards revised on the basis of implementing the security, the energy requirements of the market fully reflects the principles and spirit of the WTO, which greatly helps regulate and improve the overall technological level of industrial technology and competitiveness of the industry.

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