SHX Circulating Fluidized Bed(CFB) Hot Water Boiler

SHX CFB Hot Water Boiler

The SHX series circulating fluidized bed hot water boiler 7-58Mw, the water supply temperature is 115 degrees -130, the backwater temperature is 70 degrees -90, and the working pressure is 1.0-1.6Mpa. Circulating fluidized bed combustion (CFB) technology, as a new mature, efficient, low pollution and energy-saving new product, has many advantages of other combustion modes.

  1. 1, High temperature Cyclone separator
  2. 2, Large furnace Design
  3. 3, Bell hood
  4. 4, Low Bed pressure operation
SHX Circulating Fluidized Bed(CFB) Hot Water Boiler

Technical Advantage Of SHX CFB Hot Water Boiler

  1. 1, The circulating fluidized bed belongs to low temperature combustion, so NOx emission is much lower than pulverized coal stove, only about 200ppm, and can realize the direct desulfurization in the combustion process, and the desulfurization efficiency is high. and the technical equipment economy is simple, its desulfurization initial investment and the operating cost is far lower than the pulverized coal stove and the flue gas desulfurization (PC+FCD).
  2. 2, The fuel is wide in adaptability and high in combustion efficiency. It is especially suitable for low-grade coal with low calorific value.
  3. 3, The discharged ash has good activity and is easy to realize comprehensive utilization without two times of ash pollution.
  4. 4, The load adjustment range is big, the low load can reduce to the full load 30% or so. In our country, environmental protection requirements are increasingly stringent. The circulating fluidized bed boiler has become the preferred high efficiency and low pollution new combustion technology under the condition that the power plant load regulation scope is big, the coal variety is changeable, the direct burning proportion of the raw coals is high, the national economy development level is unbalanced, the coal-burning and the environmental protection are increasingly prominent.

Model Parameter Of SHX CFB Hot Water Boiler

The basic flow of the circulating fluidized bed boiler is that the coal and the desulfurizer are sent into the furnace, and are rapidly surrounded by a large number of inert high temperature materials, burning and burning. At the same time, the desulfurization reaction is carried out at the same time, and it moves to the top of the furnace under the action of rising smoke flow, and heat the water wall and other heat surface arranged in the furnace. When the coarse particles enter the suspended area, they deviate from the main air stream under the action of gravity and external force, thus sticking down the wall. The gas-solid mixture enters the high temperature cyclone separator after leaving the furnace, and a large number of solid particles (coal particles and desulfurizer) are separated and sent back to the furnace for circulating combustion. The fine particles that are not separated are discharged into the tail flue with the flue gas to heat the superheater, economizer and air preheater, and then drain through the dust collector to the atmosphere.

Boiler Model Boiler capacity(MW) Working Pressure(MPa) Outlet temperature(°C) Return water temperature(°C)
SHX7-1.0/115/70-AⅠ 7 1.0 115 70
SHX10.5-1.0/115/70-AⅠ 10.5 1.0 115 70
SHX14-1.0/115/70-AⅠ 14 1.0 115 70
SHX17.5-1.0/115/70-AⅠ 17.5 1.0 115 70
SHX21-1.25/115/70-AⅠ 21 1.25 115 70
SHX29-1.25/130/70-AⅠ 29 1.25 130 70
SHX46-1.25/130/70-AⅠ 46 1.25 130 70
SHX58-1.25/130/70-AⅠ 58 1.25 130 70

Factory Equipment

In order to build first-class industrial boiler products, the company's production workshops all adopt internationally advanced large-scale cross-span steel structure workshops, covering an area of 120,000 square meters, with good lighting and reasonable layout.

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Zozen after years of rapid development, and actively promote the innovation technology, quality management, standardize the operation of service mode, and in the industry took the lead in the establishment of Computing center and local network, the full implementation of computerized information management.

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