Hot Water Boiler System
7MW 14MW 21MW Hot Water Boilers Heating System
Hot Sale, Cost-effective products
Features
• Automatic control operation/safety reliable/long service life/High efficiency
• The biggest thermal power up to 116MW(about 154,280HP)
• Thermal power: 7MW-116MW(9,310HP-154,280HP)
• Rated inlet/output water temperature: 70/115℃, 70/130℃
• Application industries: heating, chemical, petroleum, medicine, building materials, wine, agriculture, hospital, etc.
Promise
Description
Reviews
Introduction of Hot Water Boiler System
Overview of the hot water boiler system
Hot water boiler systems can be divided into heating systems and domestic hot water systems according to usage.
The hot water heating system uses water as the heating medium. It is widely used in residential and public buildings and industrial enterprise workshops. According to the heat medium parameters, it can be divided into low-temperature hot water (water supply temperature is lower than 100 ℃) and high-temperature hot water; according to the system circulation power, it can be divided into natural circulation and mechanical circulation; according to the source of hot water, it can be divided into direct supply mode and intermittent supply mode. Most of them choose the mode of supply.
The hot water heating system generally consists of hot water boilers, radiators, water supply pipes, return water pipes, expansion tanks, etc., and is widely used in civil and public buildings as well as factories of industrial and mining enterprises.
Advantage:
·Simple operation and management, low maintenance costs.
·High thermal efficiency, the light Phenomenon of running, popping, dripping, and leaking, can save 20% to 40% energy compared with steam heating. Various adjustment methods can be used, especially suitable for the quality adjustment that changes the heating supply and return water temperature with the change of outdoor temperature.
·The heating effect is good. Continuous heating, small temperature fluctuations, and no noise.
·Pipeline equipment is less rusty and has a long service life.
Shortcoming:
The heat transfer coefficient of the heat dissipation equipment is low, the heating equipment is many, and the cost is high.
Transporting heat medium consumes more electric energy.
The hot water boiler is used in the domestic hot water system and is generally equipped with a volumetric heat exchanger, or a combination of a plate heat exchanger and a hot water storage tank, so as to meet the needs of domestic water. The specific system is as follows:
The hot water boilers' introduction
Hot water boilers are mainly used for heating and bathing. The hot water boiler circulates the hot water in the heat preservation water tank through the hot water circulation pump and heats the hot water in the water tank repeatedly to achieve the purpose of bathing; the hot water boiler circulates the hot water in the heating pipe through the hot water circulation pump and passes through the radiator. It can meet people's heating requirements; hot water boilers and hot water circulation pumps combined with heat exchangers can realize the dual functions of bathing and heating.
Hot water boilers are a double-drum, horizontal, and chamber-fired D-shaped layout structures, with the furnace on the right and convection on the left tube bundles, The upper and lower drums are fixed on the chassis of the main body through movable supports in the middle of the lower pot and at both ends and ensure that the boiler as a whole expands to both ends.
The hot water boilers' features
★ It adopts a double drum arrangement, compact structure, and good flame fullness.
★ The furnace adopts a membrane-type water-cooled wall structure, and the boiler as a whole adopts an air-tight inner guard plate with a fully enclosed welded structure, and the furnace wall is well sealed.
★ The boiler layout has a large heating surface area, and the design has a large enough steam and water space to ensure the stability of the boiler parameters.
★ A smoke condensation recovery device is arranged at the tail, which can effectively control the exhaust gas temperature and the boiler has high thermal efficiency.
★ High heat resistance material is used as the heat insulation layer, and the heat preservation performance is good. The outer layer of the boiler adopts a pressed guard plate, which has a beautiful appearance.
★ There is an inspection hole in the furnace, which provides great convenience for use and maintenance.
★ The fully automatic burner is adopted, and the water supply is continuously adjusted electrically, so the combustion efficiency is high. And has multiple protection functions and safe & reliable operation.
According to different burner configurations, the boiler can burn heavy oil, light oil, natural gas, liquefied gas, and other fuels, and the burner can be controlled by position control and proportional adjustment.
System of Hot Water Boiler System
Composition of Boiler System
·Combustion system
·Water system
·Control system
·Combustion system of the hot water boiler system
The combustion system supplies fuel to the boiler for heat generation. Gas oil fired hot water boilers' combustion system equips with a burner and fuel device according to the fuel properties, steam capacity, and pressure of the boiler.
Burner brands: Baltur, Riello, Weishaupt, Hofamat, Honeywell, Ecoflam, Cavallo, and so on.
·Water system of the hot water boiler system
The water system consists of a make-up water part and a hot water part.
Make-up water part: make-up water refers to the water that is provided to the boiler for hot water conversion. The make-up water channels water into the boiler and automatically controls it to satisfy make-up water requirements for the system.
Hot water part: the hot water is part of the boiler responsible for collecting and regulating the hot water generated by the boiler. Valves and pressure gauges are used to monitor and regulate temperature and pressure.
The water system should be composed of the boiler main body, rear heating surface(such as economizer, condenser and so on which are equipped according to the actual situation of the user), water treatment device, make-up water pump, Make-up pump constant pressure tank, decontamination device, plate heat exchanger, volumetric heat exchanger, circulating water pump, deaerator(choose to match) and so on.
·Control system of the hot water boiler system
The hot water boiler's control system is a collection of boiler electrical control components, a center for collecting and processing boiler operating signals, and an operation platform for sending execution instructions to each execution unit of the boiler.
If you want the hot water boiler system to realize the IoT(Internet of Things) service for the boiler system, we can provide you with this service when designing the control system.
The IoT system for boiler system adopts a layered structure design, namely data collection layer(M BOX), cloud platform(M SERVICE), and application layer(MYZT application system).
Control principle: Through the real-time data collection, monitoring, and processing of boiler water level, pressure, flue temperature, and burner, the purpose of intelligent and safe operation is achieved.
★ Standard Control Content: boiler water level, steam pressure control, alarm, and interlock, and set up an automatic control system for combustion start and stop.
★ Steam Boiler Control Modes of Operation: Automatic and Manual
a) The boiler in automatic mode is in a fully automatic operation state.
b) Manual mode: The operation of the boiler equipment is controlled by manual operation. Under normal circumstances, the boiler should operate in an automatic operation state. In special cases, it will be required to switch to the manual state.
★ Control system detection data sources: burners, temperature sensors, pressure transmitters, pressure controllers, liquid level gauges, flow meters, electric regulating valves, and other remote instrument valves.
★The Main Control Mode of the hot water boiler system: PLC control(programmable), PLC+PC control, and DCS control.
Features of the hot water boiler system
• Indication of operating status, with start/stop button
• Feed water pump interlock
• Scheduled startup of operation
• Display of numbers of ignition and combustion
• High temperature /high pressure/ low pressure/ antifreeze/ burner stop alarm functions
• Display of malfunctions
• Self-interlock during power down for protection
• Date/information collection, analysis, and storage function
• Password protection of controller
• Modbus RS485 interface, connection to upper control system or DCS system of the plant from multiple boilers
Company profile
CN BOILER ENGINEERING SOLUTION LLC is a comprehensive service provider of thermal energy systems in China, devoted to providing customers with one-step thermal energy system solutions by safe, save energy, environmentally, intelligent, and reliable. Main products include industrial boilers(hot water boilers, steam boilers, thermal oil boilers, waste heat boilers, and CFB boilers), steam generators(electric steam generators, electric hot water generators), intelligent control system by PLC control, PLC+PC control or DCS control, remote instrument and valves and so on. The control system includes industrial boiler control system(oil fired boilers, gas fired boilers, biomass fired boilers, coal fired boilers, electric boilers, waster heat boilers, CFB boilers), PLC deaerator control system, condensate recovery system, reactor control system, heating exchanger control system, hot air boiler control system etc.
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