85 efficiency natural gas boiler

85 efficiency natural gas boiler

How to set the height of the 85 efficiency boiler chimney

The coal fired boiler can be divided into two kinds:vertical boiler and horizontal boiler. And the horizontal boiler is very economic because of its long flue gas flow, slow smoke discharge, high heating efficiency. So it is widely sued in the market. After buying a boiler, it is necessary for them to build a boiler room,in the installation the height of the chimney also need to pay attention. According to the ZG engineer, the chimney height should be accordance with the lowest height of GB13271-2001 stipulation. Only one chimney is allowed in a boiler room. The specific requirements was listed below:

1.When the boiler’s output capacity is more than 1t/h or 0.7MW, a permanent thief hatch and relevant facilities should be setted in compliance with the stipulations of measuring method for smoke and dust of boiler emission, and The determination of particulates and sampling methods of gaseous pollutants emitted from exhaust gas of stationary source.

2. The exit diameter of the chimney should be not lower than the largest load. The smoke flow should not be too fast. when the load of the coal fired boiler is at its lowest level, the velocity of the chimney exit should not lower than 2.5~3m/s.

3. If the chimney heat does not reach the height of the above stipulations, the maximum discharge concentration of the dust,sulfur dioxide, nitric dioxide should be carried out at 50% of the corresponding area and time emissions standard .

Recently, we learned: Rugao City, Jiangsu Province Supervisor Bureau Jiang Security Bureau adhere to safety first, prevention first, the principle of comprehensive management of energy saving, in-depth implementation of 85 efficiency boiler production, sale, use, import and other aspects of business within the jurisdiction of the main energy saving responsibility inherent jurisdiction to conduct a hazard investigation work boiler.

Inspection process, City Supervisor Bureau Jiang branch of law enforcement personnel to go to boiler units, key to see whether there are coal-fired boilers, boiler inspection whether, whether for the use of registration, whether special equipment operator certificates, boiler safety management system developed and the status of implementation, boiler employees education and training, and emergency rescue drills to conduct audits, establish inspection records and ledger work, to maximize the elimination of security risks.

Up to now, there were still not found the use of coal-fired boiler of Unit within the jurisdiction. City Supervisor Bureau Jiang Security Bureau will continue to work closely with the various departments work together to advance environmental protection and ecological civilization construction work to further strengthen supervision to achieve a comprehensive cleared coal-fired boilers.

The difference between oil-fired 85 efficiency boilers and gas-fired boilers the fuel of oil-fired boilers is fuel (such as diesel oil, kerosene, etc.), and the fuel of gas-fired boilers is gas (such as natural gas, urban gas, biogas, etc.). Depending on what fuel the boiler burns, the equipment is called the burner, the boiler with gas burner is called gas boiler, the boiler with oil burner is called oil boiler. The difference between oil fired boiler and gas fired boiler lies in what fuel burners are used.

Industrial 85 efficiency 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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