Non-closed high-temperature hot water boiler

Abstract

A unclosed high-temperature hot water boilers, constructed that the upper and lower central box are connected with the tube and box of water wall and the fore and after wall tube and box, the convection bank is connected with the side-upper and lower box, constitute a natural cycle waterway and convection and radiation heating surface via connectivity, masonry boiler walls and smoke walls to form the hearth box and the three-pass smoke canal. This invention fundamentally change the positive circulation routine of the conventional pipe-rack boiler, totally eliminate the complex exhaust gas and pollution discharge process, contaminant separation difficulties of the box and power outages safeguard, the high temperature hot water can be obtained using static pressure in the invention, the boiler is absolute secure without burst pipe. The invention facilitates the design of the economic velocity and layout of heating area, no need to manufacture boiler tube, substitute with large, medium and small tubes, can significantly increase the thermal efficiency and manufacturing efficiency, reduce original emission concentration, and reduce power and steel consumption. It is energy-efficient with low energy consumption, low emission, environment protection, safe-type boiler.

Description

technical field [0001] The invention relates to a heating boiler, that is, the field of thermal energy engineering. Background technique [0002] At present, the popular heating boilers on the market can be classified into two categories, and there are many kinds. One category is atmospheric pressure boilers. Unequal heating systems are complex and difficult to debug and manage during operation, and the operation is unstable. A large category is pressure boilers, which can be divided into many types, such as water and fire tube boilers, single and double drum water tube boilers, and tube frame water tube boilers. Their common disadvantage is that the original emission concentration of boiler smoke is high. Their different disadvantages are: the main disadvantages of water and fire tube boilers are high steel consumption, large smoke and wind resistance, high power consumption, high failure rate of tube plate cracks and burst tubes; the main disadvantages of single and doubl...

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Problems solved by technology

[0002] At present, the popular heating boilers on the market can be classified into two categories, and there are many kinds. One category is atmospheric pressure boilers. Unequal heating systems, complex and difficult to debug and manage during operation, and unstable operation

A large category is pressure-bearing boilers, which can be divided into many types, such as water-fire tube boilers, single-drum water-tube boilers, and tube-frame water-tube boilers. Their common disadvantages are: the original emission concentration of boiler smoke is high

Their different disadvantages are: the main disadvantages of water and fire tube boilers are high steel consumption, large smoke and wind resistance, high power consumption, high failure rate of tube plate cracks and burst tubes; the main disadvantages of single and double drum water tube boilers are the process Complicated, large in size and high in steel consumption; tube-frame water-tube boilers have three main disadvantages. One is that the water must be fully circulated, which requires high hydrodynamic calculations and water quality. Once the water flow rate and water quality do not meet the requirements, It is prone to burst tubes and difficult to remove the scale in the header. The second is: the operation and management requirements for power failure protection are relatively high. Once the operation is wrong, boiler accidents are likely to occur. The third is that the upper and lower headers are designed with many Partitions, exhaust pipes, and sewage pipes make the manufacturing process and operation management more complicated and troublesome. Originally, the tube-frame boiler has the outstanding advantage of low steel consumption, but due to the impact of the above shortcomings, it is the one with the lowest market share. Furnace type

[0003] At present, domestic high-temperature hot water boilers are all closed pressure-bearing boilers. Their main disadvantages are high boiler design pressure, high steel consumption, and tube burst failures caused by boiler water circulation problems. It is more complicated, and once the operation and management are wrong, it is easy to cause boiler accidents

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