Singapore Steam Boiler

Singapore Steam Boiler

First, when the need for boiler pressure test? 1, the newly installed boiler when put into operation. 2, more than a year boiler outage and resume operation. 3, boiler, pressure member after significant repair or replacement, such as the number of water wall tubes in the replacement number of more than 50%, superheater, reheater, economizer other group member replacement, a significant repairs performed drum Time. 4, severe boiler overpressure 1.25 times the working pressure up to and above. 5, when a large heating surface area of ​​the boiler water after severe deformation. 6, according to operation, safety and reliability of equipment operation when there is doubt. Second, the method of pressure testing a boiler water pressure test should be carried out when the ambient temperature is higher than 5 ℃, antifreeze measures must be less than 5 ℃. 2, the water pressure test should be maintained above the ambient dew point temperature, to prevent surface condensation boilers, water seepage and the like will not occur closely confusion, difficulty increases inspection; but it should not cause high temperature to prevent vaporization (so difficult to find the leak) and excessive temperature stress, usually 20 ℃ ~ 70 ℃. 3, the water is full, pressure is gradually increased to 0.4MPa, namely a tight check, if necessary, be tightened once the flange, and hand Manhole cover bolt hole. 4, water pressure test, pressure should slow down, when the pressure rises to the pressure of work, should be suspended boost, check for leaks or anomalies, and then boosted to the test pressure for 20 minutes, if the pressure It did not decline, that is, down to the working pressure checked. 5, find any leaks should cook the recording, in order to reduce the time to repair the atmospheric pressure.

Recently, the issuance of Shanxi "Shanxi Air Pollution Control 2018 Action Plan." Plan put forward, to continue to carry out "dirty scattered" corporate investigation and remediation. Implementation of industrial enterprise environmental upgrade project, complete transformation of ultra-low emission coal-fired units, key industrial enterprises fugitive emission control; the end of June 2018, the basic completion of coal chemicals, fine chemicals, packaging, printing, industrial coating, rubber products manufacturing VOCs pollution control and other key industries. Meanwhile, further strict environmental standards, Beijing, Tianjin and the surrounding national "26 + 2" requires the implementation of urban air pollutants emission limits in particular the standard extended to the whole province, 11 municipal power (other than coal), iron and steel, nonferrous metals , cement, chemical industry since existing enterprises October 1, 2018, the coking industry since October 1, 2019, emissions of sulfur dioxide, nitrogen oxides, particulate matter and volatile organic air pollutants special discharge limit execution value standard. Pilot ultra-low emissions of air pollutants transformation in steel and other non-electric industry. Coal-fired power plants, iron and steel enterprises should take effective measures to eliminate rain gypsum, colored misty rain and other phenomena, reduce flue gas soluble salt, sulfuric acid mist, organic matter and so on.

We attach great importance to the provincial government, through the joint efforts of the whole province, in 2017 the successful completion of the first phase goal, "Air Pollution Prevention Action Plan." But the air quality situation is still grim, uncompromising determination to be the most strict system, the most effective measures to further promote the further air pollution control tough fight, winning the 2018 Blue Sky Battle. Action Plan formulated as follows:

(PM10) average concentration, and the ratio of the total fine days major air pollutants emissions of fine particulate matter in ambient air to complete the tasks assigned country. The average sulfur dioxide concentration of about 45 micrograms / cubic meter.

1. Vigorously promote clean winter heating engineering. According to "enterprise-based, government promotion, residents can bear" principle, promote co-ordinate the urban area, county and urban-rural, rural area clean heating three types of work.

2. make every effort to guarantee the power supply gas source. Around the "coal to gas coal to electricity" project must be able "to plan, the first contract, after the transformation," the village does indeed complete the household work before the end of May 2018.

3. Increase coal-fired heating facilities environmental standards. October 1, 2018, all in particular to achieve the emission limits of air pollutants emission standards with coal-fired boilers, 20 tons of steam / hour and above all boilers installed on-line monitoring facilities and networking with the environmental protection department.

4. eliminate scattered coal-fired boilers. October 1, 2018, 11 municipalities and districts built-up area basically out of 35 steam tons / hour and less than the cogeneration except coal-fired boilers (including pulverized coal boilers), the county built-up areas and further eliminate scattered coal-fired furnace, stove , switch to clean energy.

5. strengthen "ban on coal zone." Before the end of September 2018, 11 municipalities and districts were designated as urban area you want to "ban on coal zone", combined with improved air quality requirements of the suburban areas into the scope of "no coal zone", the implementation of joint chip control.

6. Strengthening quality control. Prohibit the use of more than 1% sulfur, 16% higher than the ash of coal bulk of the civilian, according to the actual municipalities and improving coal quality control standards. To strengthen the management and control of coal sales circulation, strengthening coal random testing, unit sales of low quality coal to be investigated and dealt with according to law.

8. continuing to promote "scattered dirt" comprehensive improvement of enterprise. Continue to carry out "dirty messy" business dragnet investigation of verified "scattered pollution" enterprises to implement classification disposal.

9. The implementation of industrial enterprise environmental upgrade project. Full completion of coal

10. strengthen key industries VOCS emission control. VOCs emissions units to carry out the screening, the establishment of key units List VOCS emissions before the end of May 2018. Strengthen the architectural, automotive, retrieving and dismantling automobiles, dry cleaning, catering and other non-point source VOCS governance and control.

11. strictly implement the industrial fugitive emissions control requirements. Before the end of May 2018, industrial enterprises and yard materials handling, transport, production process fugitive emissions comprehensive treatment.

12. Strengthen vehicle fuel quality control. General ban on the sale of diesel and lower than the Six Nations of motor gasoline and diesel fuel. Ongoing fight against the production and sale of counterfeit car oil special action.

14. accelerate remote monitoring and network platform. Before the end of 2018, municipal environmental protection, transportation, public security and traffic control departments should actively cooperate with the installation of remote monitoring equipment in the city's main crossing, and the achievement of national, provincial and municipal networking.

15. Strengthening of heavy-duty diesel vehicles joint law enforcement. All the manufacture, import, sale and registration of heavy-duty diesel vehicles must meet national standards. No vehicle emissions inspection report on a regular basis, the public security authorities may issue safety and technical inspection.

16. Strengthening non-road mobile machinery pollution control. Before the end of 2018, municipalities should designate and publish the ban on the use of high emissions of non-road mobile machinery space, environmental protection department in conjunction with transportation, housing and urban construction, water conservancy, agriculture and other relevant departments, non-road mobile machinery emissions of atmospheric pollutants supervision and inspection establishment of the province's non-road mobile machinery emissions database.

17. Strengthening freight restructuring. Cargo accelerate the construction of the railway station, railway transportation facilities improve, encourage and guide enterprises focus on car transportation by rail.

18. Strengthening the construction dust control. Construction unit should be released on the construction site dust pollution prevention and control measures, information on the person in charge, dust supervision and management authorities, to ensure Weidang do around the site, stockpiling cover, wet earth excavation work, road hardening, cleaning out the vehicle, slag soil transport vehicles sealed "to fly more than six hundred percent the size of earth and stone construction sites have been installed on-line monitoring and video surveillance.

19. The overall strengthening of urban roads and transportation dust remediation. Enhance road transport dust control. Transportation departments must formulate policies to encourage and guide enterprises to accelerate the development of a closed box-type truck, container carrier, container transport and actively explore the dense ask hard measures transporting heavy goods vehicles or bulk materials.

20. comprehensively strengthen all kinds of open-air yard, bare ground and public facilities dust remediation. Comprehensive clean urban fringe and villages demolition and construction waste muck, not timely clean-up must be taken to cover the pain and other dust suppression measures.

21. Measures to strengthen the ban on burning ban. Xuan is strictly prohibited open burning straw. Strengthen local people's governments at all levels straw Jinshao main responsibility Xuan, Xuan prohibiting the straw in forest fire prevention system, strengthen policy advocacy, to carry out special inspections straw Jin Shao Xuan.

Municipalities in accordance with the level of emissions performance of enterprises, autumn and winter peak load shifting production of industrial enterprises classified management, the pollution and promote green civilization construction, manufacturing, transportation combined, reflecting the difference, to avoid simplistic, absolute, "one size fits all." Since October 1, 2018, sulfur dioxide, nitrogen oxides, volatile organic compounds and particulate matter emission limits can not be achieved in particular electric power (other than coal) atmospheric pollutants, steel, petrochemical, chemical, colored (free of alumina), cement and other industries and enterprises with existing coal-fired boilers, industrial enterprises and unfinished fugitive emission control requirements, all to be discontinued treatment; achieve particular emission limits of air pollutants and related trades completed unorganized emission control requirements by according to local city and county government to improve ambient air quality objectives and requirements to protect people's livelihood, under the premise of peak load shifting production in line with national regulations, the self-heating of reasonable discretion determine the peak load shifting production requirements.

Strengthen air quality monitoring and early warning system and team capacity building, improve regional air quality forecasting consultation mechanism to further strengthen the research environment and meteorology mechanism, comprehensively improve ambient air quality forecasting ability, scientific judgment heavily polluting process, strictly from the high start-up warning response.

Municipal people's government is the main responsibility for improving air quality, pollution prevention and control organizations to further strengthen the leadership of the atmosphere; the departments concerned to strictly implement the division of responsibilities in accordance with mission requirements.

Overall increase air pollution control funds to support efforts to clean the focus for heating, replace coal-fired boilers, industrial pollution control, elimination of old cars and support scientific research and technology and other fields.

Efforts were dissemination of environmental information, media coverage, public opinion to guide work, timely release of environmental protection policies and heavy pollution weather warning information, take the initiative to respond to hot issues of public concern, to protect the public's right to know.

Hot water boiler deaerator works: the primary condensate from the low pressure heater (including supplement water) by adjusting the control valve inlet into the deaerator, hydrophobic mixed with the other in the brightest deaerator, upon spin discharging the film porous tube, skirt forming a water film, mixing and heat transfer and mass transfer with the bottom of the heating steam, water quickly reaches the saturated temperature at the operating pressure. In this case, most of oxygen and other gases in water are parsed substantially achieve the purpose of removing oxygen. The precipitated oxygen from the water and other gases are continuously removed from the outer tube with the top of the exhaust vapors deaerator.

Select a reputation gas boiler can start from what now need to focus on the production of heating scenes of life increasing, many businesses seek to meet the heating needs of its own gas-fired boiler, gas boilers but face everywhere gem on the market, how can rapidly selection to the good reputation and excellent service gas boiler? To solve these problems we will encounter widespread, greatly accelerates the discussion that follows is our in-depth analysis again. First, the heat transfer rate from the start for the business in terms of the usual heating demand time-sensitive, which is a mandatory requirement for the heat transfer rate provided by the merchant gas-fired boiler. When selected, the sample may be a gas boiler with a test word, experience the heat transfer rate of the gas boiler, and then determined according to their own requirements for heat transfer rate, and then decides not to purchase commercially available. Second, starting from the safety of security for many people to buy any product will take into account factors, so customers are interested in buying the gas boiler inspection carried out when the details, should conduct a comprehensive observation of its security facilities, see what security safeguards, the availability of practical operation, this is a very crucial point, able to respond to emergency needs in various situations. Third, start with the demand for heat from the length of life is the day of the year, so it should start from the life of the gas boiler focus of study of this element can start from the customer's reputation and product parameters, the longer the life of the gas boiler more can guarantee persistence heating, we can provide customers with a steady stream of heat supply, provide a reliable guarantee for the production and life of central heating. This article provides on the selection of a number of gas-fired boiler for reference standards, customers can choose the time from the start focused on the heat transfer rate of the gas boiler, and then the security configuration of the facility to conduct a comprehensive investigation, when necessary, can personally sample operation, Further inquiry length of life to a number of users have purchased, so as to carry out in-depth consideration and their suitability and fit of the product on.

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