normal pressure nutshell steam boiler

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Gas-fired normal pressure nutshell steam boiler which needed to do the preparatory work before use: preparation and method of operation before the water table and put into use fuel gas steam boiler, the scope of fuel gas steam boiler in our daily lives is very extensive, a lot of occasions can be seen . Because now gas steam boiler various types of products, have been well spread, and even many types of products, has entered the homes of ordinary people, yet special products already covered large, medium and small three types of large Some models, small series here today to introduce you to what preparatory work needs to be done before the official use of gas-fired boiler. What preparatory work needs to be done before the official use of fuel gas steam boiler: 1, fuel gas steam boiler and using the system should have qualified installation qualification units installed, installed according to the national quality inspection and acceptance criteria. 2, safety valve, ground fault protection and other safety equipment fuel gas steam boiler must be complete and effective, regular inspection, calibration. 3, boiler room fuel gas steam boiler should be someone on duty, and the duty to make records. 4, fuel gas steam boiler power supply capacity should match the boiler capacity. 5, according to the requirements of gas overpressure on the adjusted gauge, the lower limit (0.28-0.4MPa), normal pressure, the pressure gauge, the lower limit (0.2-0.3MPa). Fuel gas steam boiler water level gauge operating daily use of fuel gas steam boilers are common in everyday use, in order to ensure the safety of gas-fired boiler fireman who needs access to the city quality Bureau of Technical Supervision issued a certificate before operating fireman (the mass acceptance of this request boiler Technical Supervision Bureau have already stressed). While the water table should always be kept clean, to avoid affecting the inspection and purify water level convergence and scale revenue backlog Dusseldorf and the emergence of false water level sight incurred attack Incident gas boiler. To this end should be a review scour every day. Gas boiler water level meter operating daily use problems need to pay attention what fuel gas steam boiler water level gauge operating daily use problems need to pay attention what:? 1, open the drain valve of the water table, even the steam pipe, even water pipes, water level It was itself water vapor and scouring; 2, the closed water pipe connected valves, and the level indicator of the vapor itself even brushing steam pipe receiving; 3, close the gas valve with tube steam boiler water, even steam pipe valve closed, the water even water pipes were flushed; 4, SAIC union off valve, turn on the water closed the door, scour the end of the task, restoring the normal operation of the gauge. Environmental precautions necessary to run the boiler precipitator

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.

Vertical gas normal pressure nutshell steam boiler system control principle of vertical gas steam boiler control system power switch is off principle, click the open position the pump control switch, for boiler feed water rises to the normal position, the burner power switch click, click on the Start button, open Control the power supply system of the burner into the working state, according to the workflow programmable controller, the first small-burning fire, the fire and then enters the combustion state, the boiler and then enters the normal operation phase. Fuel gas boiler is not only fuel but also refers to the gas boiler. Previously no such dual-fuel boiler, burner because either fuel or gas, no dual fuel burners. With the rapid development of the world energy equipment, some European countries begin production and sales of fuel gas burner, dual fuel burner and boiler combination of organic birth of a new breed of boiler - fuel gas-fired boiler. Steam boiler is an energy conversion device, the energy input to the boiler fuel chemical energy, electrical energy, thermal energy and other forms of high temperature flue gas, and after converting the boiler, the steam output having a certain outside thermal energy, high-temperature hot water or an organic carrier. When the water level rises to a high level, a high level alarm signal output indicator lights, with bells, to achieve protection shutdown, power controller. When the water level rises to + 30mm, the pump stops when the water level drops to -30mm, the pump automatically restarts. When the water level dropped to 50mm, high and low water level indicator outputs an alarm signal lights, together with the bell, and implementation of protection, the furnace closed, cutting off the power supply controller. When the pressure rises to 0.72 MPa, the overvoltage signal is sent, the bell, alarm, turn off the power control system to achieve the emergency stop. Regulating the pressure when the pressure exceeds the upper limit, the controller outputs a signal to fire small fire valve closed and valve open small fire ignition burner. When the pressure drops below the lower limit adjusting pressure, the controller outputs a signal to open the fire damper for combustion. When the burner failure occurs, the combustion controller automatically closes the valve to stop the combustion. When the exhaust gas temperature is higher than 250 deg.] C, there is a blue light, along with bell sound, and protection off, the power cut controller

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