cwns horizontal gas or oil hot water boiler

7MW YQW series gas-fired thermal oil heater for chemical industryAs one piece of important equipment for the water purification material production line, the thermal oil heater plays the role of providing heat energy in the production process of the water purification agent. Chongqing Lanjie Guangshun Water Purification Materials Co., Ltd. was established in 2009, mainly producing and selling industrial water chemical treatment agents and urban sewage chemical treatment agents. With the continuous expansion of production scale, the company urgently needed to upgrade the boiler equipment on the existing production line. Meanwhile, in the face of increasingly severe environmental pressures, the company decided to purchase environmentally friendly thermal oil heater which uses clean energy natural gas as fuel. In the market research process, the project manager of the company found that the ZOZEN thermal oil heater had outstanding advantages in terms of product quality, performance and environmental protection effects, then the company decided to purchase a set of 7MW horizontal gas-fired thermal oil heater from ZOZEN. This kind of heater adopts three pass circular tube design for sufficient heating surface, and the waste heat boiler and energy-saving device disposed at the tail of the heater can greatly reduce the loss of thermal energy, the thermal efficiency can be as high as 95% or more. Advanced low NOx burner can achieve NOx emissions below 30mg/Nm³. And the operation of the thermal oil heater can realize full automatic control, and can automatically adjust the combustion, high tank level, outlet temperature and flow to ensure the safe operation.

After the boiler put into use, such as the hotel responsible person to give us feedback: fast boiler advanced product design, simple and intuitive operation, the most critical is energy saving, low NOx emissions, can be used in the Beijing area. Compared with other boiler brands, fast Boiler made us worry. --customer feedback

WNS type gas steam boiler system control principle: ①, after WNS type gas steam boiler on the power switch, click on the pump control switch open position, after boiler feed water rises to the normal position, click-burner power switch, clicking the start button, the control system power is on, the burner into the working state, according to the operation program for the controller, to be re-ignition burner fires into the combustion state, the boiler enters normal operation this stage. ②, high output level when the water level rose to a high level alarm signal indicator light, when the water level rises to the pump stops running + 25mm, the water pump when the water level falls -25mmm automatic restart, when the water level falls -50mm, outputs a low level alarm indicator light, with bell sound, and cut off the power to the controller to achieve protection shutdown, -75 mm when the water level falls, the output signal of low water level indicator light. ③, when the pressure is raised 0.73MPa, the output signal of the first indicator light overpressure, combustion conditions and off the controller circuit, the controller stops the shutdown. Output when the pressure rises above a second overpressure 0.75MPa signal issued bell sound, alarm and cut off the power supply control system implemented emergency stop. Regulating the pressure when the pressure exceeds the upper limit, the controller output signal of a small fire fire closed valve, a valve to open the small kerosene ignition burner. When the lower limit pressure drops below the regulated pressure, the controller outputs the fire signal to open fuel valve fire, the fire to burn. ④, after the failure of the burner failure occurs, the burner control valve is automatically shut down to stop the oil combustion. Vertical coal-fired steam boiler structural features

Vertical pressure steam boiler component damage cause an explosion in the explosion normal working pressure: the pressure receiving member defective or damaged vertical steam boiler, and gradually developed to a certain extent. There are heating and cwns horizontal or oil hot water boiler bath for two purposes. Hot water boiler by circulating hot water circulation pump hot water holding tank, the tank hot water heating cycle can be achieved bath object; hot water boiler by circulating hot water circulation pump heating conduit, through the heat sink (radiator) people can achieve heating requirements; hot water boiler and hot water circulating pump with heat exchanger can be achieved bathing and heating dual function. Biomass boiler is a kind of boiler to biomass energy as a boiler fuel called biomass boilers, steam boilers into biomass, biomass hot water boiler, biomass stove, biomass thermal oil heaters, vertical raw biomass boilers, biomass boilers and other horizontal. The erosion of the steel sheet, equipment for manufacturing and testing of weld defects, vertical steam boiler accumulation of dirt poor heat transfer, rapid cooling apparatus taking water caused when vertical steam boiler water. Combustion furnace explosion: mainly vertical steam boiler explosion instantaneous deflagration of combustible gases in the furnace and the liquid concentration reaches a certain limit. Explosion in the furnace depends on the concentration and the heated mixed gas premise. Vertical steam boiler furnace if not cleared before starting or ignition failure is not required to operate, blind firing, furnace explosion is likely to occur. Operating pressure exceeds the design pressure: vertical steam boiler pressure gauge failure, the safety valve does not work after overpressure, boiler workers from work, supervision is not enough, the main steam valve is closed, the relief valve malfunction. Vertical steam boiler design is unreasonable, different manufacturing quality, the material does not meet the requirements, poor weld quality, maintenance is not timely, long downtime, resulting in corrosion vertical steam boiler, reducing the carrying capacity of the steam boiler explosion caused by overpressure.

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