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A Particle Heat Exchanger with Multilayer Distribution and Simultaneous Screening

A technology of heat exchangers and granules, applied in the direction of indirect heat exchangers, heat exchanger types, heat exchanger shells, etc., can solve problems such as heat and water waste, and achieve the effect of improving work efficiency and ensuring reliability

Active Publication Date: 2018-12-11
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After various water quenching processes, only 10% of the total heat of the slag is recovered, and the rest of the heat is discharged into the atmosphere with water vapor, resulting in waste of heat and water resources

Method used

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  • A Particle Heat Exchanger with Multilayer Distribution and Simultaneous Screening
  • A Particle Heat Exchanger with Multilayer Distribution and Simultaneous Screening
  • A Particle Heat Exchanger with Multilayer Distribution and Simultaneous Screening

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Embodiment Construction

[0016] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0017] As shown in the accompanying drawings, the present invention is a granular heat exchanger with multi-layer distribution and simultaneous screening, including a first-level upper tube bundle a1, a first-level lower tube bundle b2, a second-level upper tube bundle c3, a second-level lower tube bundle d4, and a particle outlet a5 , pellet outlet b6, pellet outlet c7, pellet outlet d8, header a9, header b10, header c11, header d12, baffle a13, baffle b14, header e15, header f16, header g17, header Box h18, rotating plate 19, rotating shaft 20, funnel 21, housing 22, primary outlet pipe a23, primary inlet pipe b24, secondary outlet pipe c25, secondary inlet pipe d26, partition 27, fins 28, connection Pipe a29, connecting pipe b30.

[0018] Such as figure 1 As shown, the rotating plate 19 swings intermittently around the rotating s...

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Abstract

The invention discloses a particle heat exchanger capable of realizing multilayer distribution and simultaneous screening, comprising a first-stage upper-layer tube bundle, a first-stage lower-layer tube bundle, a second-stage upper-layer tube bundle, a second-stage lower-layer tube bundle, particle outlets, headers, baffles, a rotating plate, a rotating shaft, a funnel, a shell, a first-stage outlet tube, a first-stage inlet tube, a second-stage outlet tube, a second-stage inlet tube, a partition plate, a fin and connecting tubes. According to the particle heat exchanger, particles can be distributed among different tube bundles by utilizing the rotating plate which intermittently swings, and the particles obtained by distribution on each layer can be continuously and uniformly spread on the tube bundles by a gap between each baffle and each tube bundle, so that heat exchange between particles and the tube bundles can be better realized. The particle heat exchanger can be used for simultaneously sieving and carrying out heat exchange among a plurality of layer of tube bundles, so that the work efficiency of equipment is increased effectively.

Description

technical field [0001] The invention relates to a heat exchanger, in particular to a particle heat exchanger with multi-layer distribution and simultaneous screening. Background technique [0002] The total energy consumption of the iron and steel industry accounts for about 35% of the total energy consumption of the entire process industry. The temperature of the blast furnace slag produced in the ironmaking process is 1450-1650°C, and the heat content of the blast furnace slag is about 1.70-1.87GJ / t, which is equivalent to 0.058-0.06 tons Calorific value of standard coal. The huge amount of sensible heat of slag is an important secondary energy source, and the recovery of waste heat from slag has practical economic significance for energy saving and emission reduction in the iron and steel industry, and for improving energy utilization efficiency. At present, domestic metallurgical enterprises mainly use water quenching process for high temperature slag. After various wa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28D7/16F28F9/22C21B3/08
CPCC21B3/08F28D7/1615F28F9/22F28F2009/228
Inventor 吴东垠孔伟佳
Owner XI AN JIAOTONG UNIV