Heat regenerative type afterheat steam boiler

A waste heat steam and boiler technology, used in steam boilers, steam boiler accessories, steam boiler components, etc., can solve the problems of extremely poor heat exchange effect, difficult to achieve effective heat recovery, etc., to prevent scaling and facilitate mechanical cleaning. , to enhance the effect of heat transfer

Pending Publication Date: 2017-05-10
侴乔力 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] 3. Many high-viscosity waste heat media such as lubricating oil cannot flow through the inside of the tube in the shell-and-tube heat exchanger, otherwise the heat transfer effect will be extremely poor, and it will be difficult to achieve effective heat recovery

Method used

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  • Heat regenerative type afterheat steam boiler
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  • Heat regenerative type afterheat steam boiler

Examples

Experimental program
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Embodiment Construction

[0042] The embodiment of the heat recovery type waste heat steam boiler proposed by the present invention is attached figure 2 As shown, the description is as follows: It consists of a rising film evaporator 1 with a waste heat recovery capacity of 208kW, vertical installation, and carbon steel pipe siphon circulation countercurrent heating; a stainless steel pipe waste heat medium inlet 1-1 with a diameter of 200mm / wall thickness of 2.5mm; a diameter of 700mm / Hemispherical separation chamber 1-2 with a height of 500mm; inner ring diameter 400mm / height 1500mm / pipe diameter 19mm distributed vertical siphon heating tube clusters 1-3; diameter 700mm / height 250mm hemispherical shunt chamber 1-4; Stainless steel pipe with a diameter of 200mm / wall thickness 2.5mm outlet 1-5 for waste heat medium; stainless steel pipe with a diameter of 20mm / wall thickness 1.5mm / length 200mm for softening water inlet 1-6; stainless steel pipe with a diameter of 200mm / wall thickness 2.5mm for water v...

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Abstract

A heat regenerative type afterheat steam boiler integrates an in-tube siphon circulation counterflow heating climbing-film evaporator, a heat regenerator and a steam jet ejector. The heat regenerative type afterheat steam boiler has the advantages that climbing-film evaporation on the inner side of a circularly-distributed perpendicular heating tube bundle and a central cylinder descending passage form siphon circulation to enhance heat transfer and prevent scaling; by the aid of the heat regenerator, on one hand, steam pressure is enhanced, and on the other hand, afterheat utilization ratio of the boiler is increased; perpendicular washing of the outer side of the circularly-distributed perpendicular heating tube bundle is achieved to enhance heat transfer of high-viscosity afterheat media such as lubricating oil; the heat regenerative type afterheat steam boiler uses overbottom pressure of a steam pipe network for driving the steam jet ejector to compress steam, thereby being highly efficient and simple.

Description

[0001] (1) Technical field [0002] The invention relates to a recuperation type waste heat steam boiler which utilizes various forms of waste heat to directly generate steam. [0003] (2) Background technology [0004] When using industrial waste heat such as the circulating cooling water of the engine cylinder or the circulating cooling lubricating oil of the air compressor to drive the waste heat boiler to generate water vapor: [0005] 1. The waste heat medium can only recover high-temperature sensible heat, and the sensible heat below the saturation temperature of the produced water vapor cannot be effectively recovered. [0006] 2. In order to increase the saturation pressure of the water vapor produced, a circulating pump can be set to drive the softening and replenishing water to circulate between the countercurrent heat exchanger and the steam drum, so as to use the circulating cooling water of the cylinder to heat and replenish the softened water in countercurrent, so...

Claims

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Application Information

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IPC IPC(8): F22B1/16F22B31/08F22B37/02
CPCF22B1/167F22B31/08F22B37/02
Inventor 侴乔力陈江侴雨宏魏蔚
Owner 侴乔力
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