ZG Best large plant CFB boiler systems design for plant can cope with much higher pressures than pressure cookers.These large plant CFB boilers are welded from thick steel plates that are up to 35 mm thick,making pressures of 30 bar and more possible.CFB boilers have been in operation for many years in industrial steam and power generation applications demonstrating the low SOX and NOX emissions and fuel flexibility of the technology.
DHL series corner tube boiler, has much stronger steam capacity than DZL series and SZL series. Its capacity can reach to 160 ton per hour. This series also can be used in biomass power plant for steam generation. High steam capacity needs higher technology to backup. In DHL series, its has two national patents, like flying ash re-combustion equipment based on the high temperature separation, combustion efficiency is improved. Our ZG manufactured DHL series 30 ton corner tube boiler has exported to South Korea this year.
1, was dissolved gas professional 500kw steam boiler economizer with ce scale in effect: cleaning mainly be described in four aspects gas steam boiler steam boiler descaling pickling with acid. Hydrochloric acid and calcium scale in the steam boiler, carbonates and hydroxide and magnesium chloride to generate easily soluble, so that such a steam boiler scale dissolution. 2, a steam boiler scale peeling effect. Hydrochloride penetrate through the pores of scale inside the surface between the metal and chloride dissolve the scale, so that the scale adhering to the surface of the metal to share, peeled off. 3, loose scale effect in the steam boiler. After the mixing of silicate-containing scale, although they can not be dissolved by the reaction with hydrochloric acid, but the steam boiler scale doping in the carbonate and iron oxide were dissolved in hydrochloric acid solution, the residual scale becomes loose in the case of pickling of flow, they can easily be washed down. 4, the gas lift effect of the gas steam boiler scale. Hydrochloric acid and a large amount of carbon dioxide produced by the action of carbonate scale, in the process of escape for the steam boiler fouling layer dissolves more slowly or hardly soluble in, a certain lifting force, so that falling down from the wall of the steam boiler . The more ingredients carbonate scale, the more intense pickling this gas lift effect.
January first, Henan Province issued "the transformation of traditional coal chemical industry development action plan" (the "Program"), to promote the province's pollution prevention campaign of three-year action plan to speed up the traditional coal chemical industry (ammonia, methanol) industry to green transformation, to achieve high-quality development.
First, strictly control new capacity
Adherence to the red line capacity, traditional coal chemical enterprises prohibit new construction, new capacity expansion projects alone, is strictly prohibited without permission around the building does not meet the requirements of the industrial layout plan of coal chemical project in principle. The province's coal chemical projects and intensive clean-up, but according to the specified time limit has been approved to start construction of the project in principle, to construction, relocation and renovation projects must be upgraded into the base or campus planning. By 2020, the chemical industry out of the fixed bed coal gasifier intermittent exit single set of devices 300,000 tons / year of synthetic ammonia production capacity. Strict safety, fire safety, environmental protection, energy saving, water administrative licensing, implementation of the project safety, environmental protection facilities "three simultaneous" (designed, constructed and put into use) system, and resolutely shut down energy consumption, environmental protection, safety, quality, technical non-compliance enterprise. Strict implementation of the regional total energy consumption, pollutant emissions control requirements, upgrading of coal coal project be implemented reduction or equivalent alternative.
Second, increase the relocation and reconstruction efforts
Further promote the densely populated towns of dangerous chemicals production enterprises and urban built-up areas heavily polluting industrial relocation of enterprises, the implementation of an intensive investigation, the establishment of management accounting, according to "a business a policy" during mode classification advance. Priority to promoting the urban area of coal chemical industry relocation, conversion or quit, not in the urban area but not in the business park to gradually move the park, according to the specified execution be discontinued or phased out. Close to exit the business enterprise to achieve the "two off three clear" (cut industrial water, electricity, removal of raw materials, products, production equipment), select the transformation of the enterprise to implement the upgrading of the standard industry benchmark, to off-site relocation According to large-scale, modern principles move into the province for involving chemical industry gathering area. Relocation upgrading of enterprises, projects and equipment should be encouraged to reach equipment industry access standards and conditions specified in the Guiding Catalog of Industrial Structure Adjustment, the use of large-scale continuous pressurized gasification plant, ammonia production capacity to 300,000 tons / year and above, coal methanol production capacity reached 100 million tons / year and above, the main push large-scale equipment.
Third, the implementation of green transformation
Before the end of 2019, coal chemical enterprises fully completed VOCs governance. And comprehensively promote the chemical industry equipment static and dynamic sealing points, storage, handling, waste water systems, unorganized process emissions and non-normal operating conditions and other root causes of remediation. As requested, the timely completion of the coal chemical industry waste discharge permit issued by the work, companies must comply with the behavior of the sewage discharge permit clear conditions, various types of environmental inspection found violations, strictly and severely investigated and dealt with as soon as possible in place. Based on "clean production audit approach", the implementation of coal chemical enterprises compulsory clean production audit coverage. Required to implement risk control measures to close the relocation of enterprises left over land.
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