normal pressure cwns oil or gas fired hot water boiler

A customer in Bangladesh chose a 4 ton natural gas steam boiler produced by ZG boiler for the production of the enterprise. This boiler belongs to the wns series oil and gas boiler produced by ZG boiler. The tail of the wns series of oil and gas boilers produced by ZG boiler has a flue gas condensation recovery device, which can effectively control the exhaust gas temperature and has high boiler thermal efficiency. The boiler design has many protection functions such as over-temperature, over-pressure, water shortage, leak detection and flameout, and the operation is safe and reliable. Moreover, the oil and gas boiler adopts a fully automatic burner, and the feed water adopts continuous electric regulation, and the boiler has high automation degree and convenient operation.

Boiler basic knowledge and principle: as a heat carrier, pump forced circulation of liquid phase, then return to reheating, direct-flow special industrial furnace. Widely used in foundry sand molds such as petrochemical, textile, printing and dyeing, plastics, rubber, food processing, wood processing, asphalt heat, carton production, vegetable dehydration, drying and so on. Boiler is an energy, safe, heating equipment, is an ideal alternative to steam boiler products. The working principle is that the oil heater (endothermic) (organic heat) which is transported to the various thermal equipment after heating, the heat conduction (heat energy release), and then back to the furnace, forming a closed circle in the sense of meaning. In order to achieve the purpose of heating in the process of education. Performance and characteristics: 1, low pressure and high temperature. With the increase of temperature, the viscosity of the oil will continue to decrease the resistance of the system, but also reduce the working pressure, more conducive to safe operation and safe operation. Steam boiler is a high temperature and high pressure plume. 2 the heating system adopts hot water and equipment inlet and outlet temperature of 20? 30 degrees closed-circuit forced circulation heat can be recycled repeatedly there is no waste thermal efficiency is high energy-saving effect is remarkable. (3) the pressure of the heating system is low and the requirements of the pressure equipment and its system will also be reduced accordingly. Therefore, the steam pot required by the production process is accordingly reduced. The furnace is simple and the investment cost is low. 4, the thermal efficiency of various loads can be maintained at an optimal level, and can be adapted to the production of heat load requirements of the following types of 320 degrees, temperature can be accurately adjusted and controlled. 5, heaters to increase two to three times the cycle can provide a wide range of temperature processes for a variety of equipment to meet different temperatures that greatly reduce the need for equipment investment.

Coal-fired boilers, fuel shots are fired, coal in the combustion chamber after the combustion heat release, the heating medium water or other organic heat (e.g., heat transfer oil, etc.) heated to a temperature (or pressure) of the thermal power plant. Coal is our energy use accounted for first, with a mature mining, transportation and sales channels, and the price is relatively low; but it also has many defects, low efficiency, resource utilization imbalance, burning emit large amounts of carbon dioxide and other harmful gases and dust, the larger impact on the environment pollution and high environmental costs.

It is understood that in order to successfully promote the transformation and development of traditional coal chemical industry, January 1, 2019, letter to the Office of Henan Province workers released a special action program (hereinafter referred to as the "Program"), to promote pollution prevention campaign of Henan Province, three-year action implementation of the scheme, to speed up the traditional coal chemical industry (ammonia, methanol) industry green transformation, to achieve high-quality development. "Program" details are as follows.

First, the key tasks

1, and 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.

2, 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 to achieve the "two off three clear" (cut industrial water, electricity, removal of raw materials, products, production equipment), in situ transformation of the company to implement the upgrading of the standard industry benchmark, off-site relocation of enterprises to According to large-scale, modern principles move into the province for involving chemical industry gathering area.

3, 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. In accordance with national requirements, 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.

Second, the organization and implementation

1, roles and responsibilities. Relevant provincial jurisdiction over municipal government on the development of local coal chemical industry restructuring and overall responsibility, strengthen organizational leadership, with local conditions, the development of coal chemical industry restructuring and development program implementation, implementation tasks initiatives. Coal chemical industry is the main responsibility for the implementation of the restructuring and development, to strictly implement the main responsibility for production safety and environmental protection, the implementation of the relocation of the green transformation. Provincial Industry and Information Technology Department, Development and Reform Commission, the ecological environment, the Office of Emergency Management and other provincial departments according to the division of responsibilities, strengthen guidance and improve relevant policies and measures.

2, strictly implement the policy. Comprehensive use of market mechanisms, economic instruments, legal and necessary administrative means to approach, to promote enterprise restructuring and development. Strict implementation of China's industrial policy, strictly enforce the standards of environmental protection, quality, energy consumption, safety and technology. Relocation and reconstruction of urban population centers dangerous chemicals production enterprises and urban built-up area of ​​relocation and reconstruction project focused on heavy polluting industrial enterprises, shall be given support in terms of fiscal policy, tax incentives, financial support, land policies.

3, strengthen supervision and accountability. Strengthen supervision of new capacity alone, without approval of the establishment of Chemical Industry Park, unauthorized implementation does not meet the industrial layout planning requirements of coal chemical projects, in violation of the registration and management of hazardous chemicals and construction projects "three simultaneous" (also designed, constructed, and concurrent use of illegal activities) system, etc., must be severely accountable accountability.

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