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A high temperature multi-stage turbulent vortex indirect heating hot air boiler

A hot air boiler, multi-stage technology, applied in the field of thermal engineering, can solve the problem of poor heat exchange effect of the heater, and achieve the effect of promoting heat exchange, strengthening stirring, and making full use of heat energy

Active Publication Date: 2018-04-24
哈尔滨俄拉诺特科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem of poor heat exchange effect in existing heaters

Method used

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  • A high temperature multi-stage turbulent vortex indirect heating hot air boiler
  • A high temperature multi-stage turbulent vortex indirect heating hot air boiler
  • A high temperature multi-stage turbulent vortex indirect heating hot air boiler

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Experimental program
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Effect test

specific Embodiment approach 1

[0015] Specific implementation mode one: combine Figure 1-Figure 4 , Figure 9 with Figure 10 Describe this embodiment, a high-temperature multi-stage turbulent vortex indirect heating hot air boiler of this embodiment includes a blower 5, a preheater 4, a flue 10, a main pipeline 15, a filter 9, a vertical box 20, multiple a heat exchanger and gas-liquid fuel burners 2 having the same number as the plurality of heat exchangers,

[0016] A plurality of heat exchangers are connected sequentially from top to bottom and installed in the vertical box body 20, each heat exchanger is connected with a gas-liquid fuel burner 2, and the air blower 5 is installed in the vertical box body 20 and located in multiple Above the uppermost heat exchanger in the heat exchanger, the preheater 4 is installed on the outside of the vertical casing 20, and the top of the preheater 4 passes through the vertical casing 20 and is connected with the vertical casing 20 The blower 5 is connected, th...

specific Embodiment approach 2

[0020] Specific implementation mode two: combination Figure 4 This embodiment will be described. The turbulent flow rotating guide vane 13 of the exchanger in this embodiment is made of a steel bar that is twisted counterclockwise. It is so set that the medium fluid passing through the pipeline is transformed into a continuous turbulent state, so the agitation of the heat transfer medium is strengthened, and the heat exchange between the inside of the medium and the external pipeline is promoted. The heat of the heat exchanger under such high-intensity heat exchange conditions The efficiency reaches 95-98%. Other compositions and connections are the same as in the first embodiment.

specific Embodiment approach 3

[0021] Specific implementation mode three: combination Figure 4 Describe this embodiment, the exchanger turbulent flow rotating guide vane 13 of this embodiment is installed in the horizontal heat exchange tube 3 with an inclination angle of 0-90° to the horizontal plane, and the optimal inclination angle is 10-50°. It is so set that the medium fluid passing through the pipeline is transformed into a continuous turbulent state, so the agitation of the heat transfer medium is strengthened, and the heat exchange between the inside of the medium and the external pipeline is promoted. The heat of the heat exchanger under such high-intensity heat exchange conditions The efficiency reaches 95-98%. Other compositions and connections are the same as those in Embodiment 1 or Embodiment 2.

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Abstract

The invention relates to a hot blast boiler and particularly relates to a high-temperature and multi-stage turbulent vortex indirect heating hot blast boiler, and aims to solve the problem of poor heat exchange effect of a conventional heater. According to the hot blast boiler provided by the invention, a plurality of heat exchangers are connected in sequence from the top to the bottom, each heat exchanger is connected with a gas-liquid fuel burner (2), an air blower (5) is mounted in one heat exchanger, on the topside, of the heat exchangers, a filter (9) is mounted on a preheater (4), the upper end of the preheater (4) is connected with a blast blower (5), the upper end of the preheater (4) is connected with a smoke flue (10), the lower end of the preheater (4) is connected with a main pipeline (15), and the main pipeline (15) is respectively communicated with the heat exchangers. The high-temperature multi-stage turbulent vortex indirect heating hot blast boiler provided by the invention is applicable to industrial drying, drying equipment, industrial heat resources, coal, mining and mineral dressing industries, mining and washing industry, as well as the field of gasification of coal, and other organic raw materials, metallurgy, chemical engineering and the like.

Description

technical field [0001] The invention relates to a hot air boiler, in particular to a hot air boiler indirectly heated by a high-temperature multi-stage turbulent vortex, which belongs to the field of thermal engineering and is suitable for drying in a wide range of industries, drying equipment, industrial heat sources, coal, mining and mineral processing industries and washing machines. Dressing industry, coal and other organic raw material gasification, metallurgy, chemical industry. Background technique [0002] Existing heaters generally include a box body, a combustion chamber with a burner, a fuel pipeline, a heat exchanger provided with a main pipeline, an external air intake pipe, and a flue exhaust duct provided with a butterfly valve. The box with the flue is a vertical structure, the main pipe is composed of several circles of vertical pipes evenly distributed, the combustion chamber and the exhaust flue are connected by vertical pipes, and the combustion chamber i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H3/08F24H3/10F24H9/00F24H9/18
CPCF24H3/087F24H3/105F24H9/0052F24H9/1881F24H2210/00Y02P80/10
Inventor 王雪
Owner 哈尔滨俄拉诺特科技有限公司