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Large box type high-temperature material heat exchanger

A high-temperature material, heat exchanger technology, applied in the direction of heat exchanger type, indirect heat exchanger, mobile duct heat exchanger, etc. Poor fluidity and other problems, to achieve the effect of high material cooling intensity, increase material flow cross-sectional area, and increase material cooling capacity

Active Publication Date: 2015-06-10
SHANDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the poor fluidity of solid materials and the existence of stacking angles, the flow section of the heat exchanger cannot be too large within a limited height, so the cooling capacity of each heat exchanger is relatively small

Method used

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  • Large box type high-temperature material heat exchanger
  • Large box type high-temperature material heat exchanger
  • Large box type high-temperature material heat exchanger

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1: Refer to Figure 1-2, the large box-type high-temperature material heat exchanger is composed of a feed inlet 1, a water-cooled box cover 2, a water-cooled screw distributor 3, a heat exchange box 6 and an impeller discharge valve 8. The heat exchange box 6 is a rectangular shell enclosed by two inner end plates 601 at both ends and two inner plates 611 at both sides. The upper end of the rectangular shell is provided with the upper flange 610 of the heat exchange box, and the lower end is provided with three closing-type hoppers composed of two inner plates 611 and six oblique sealing plates 604, and one The lower flange 606 of the heat exchange box. An outer end plate 602 is arranged on the outer side of the two inner end plates 601, and the two outer end plates 602, the two inner end plates 601 and the upper flange 610 of the heat exchange box together form two closed end water chambers. An outer plate 612, two outer plates 612, two inner plates 611, ...

Embodiment 2

[0038] Embodiment 2: refer to image 3 The difference between this embodiment and Embodiment 1 is that: the feed port 1 of the large-scale box-type high-temperature material heat exchanger is located at one end of the water-cooled tank cover 2; When working, the material enters one end of the water-cooled box cover 2 from the feed port 1, and then moves to the other end of the water-cooled box cover 2 under the rotation of the spiral blade of the water-cooled spiral body 301, and at the same time moves downward by gravity to make the material uniform Fill the heat exchange box6. All the other are identical with embodiment 1.

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Abstract

The invention provides a large box type high-temperature material heat exchanger, and belongs to the field of high-temperature solid material cooling equipment. The large box type high-temperature material heat exchanger is characterized by sequentially comprising a water cooling box cover (2), a heat exchanging box (6) and necking-down type hoppers from top to bottom, wherein a water cooling jacket is arranged on a wall of the water cooling box cover (2); end water cavities and / or side water cavities are formed in the wall of the heat exchanging box (6) and the walls of the necking-down hoppers; a plurality of heat exchanging pipelines are respectively arranged in the water cooling box cover (2), the heat exchanging box (6) and cavities of the necking-down type hoppers; a feeding opening (1) is formed in the upper portion of the water cooling box cover (2); a water cooling spiral distributor (3) which can convey and cool down materials is arranged in the water cooling box cover (2); the necking-down type hoppers are arranged side by side; and an impeller discharging valve (8) is arranged at an outlet of the bottom of each necking-down type hopper. The large box type high-temperature material heat exchanger is large in material cooling amount, low in energy consumption and long in service life; and abrasion of heat exchanging components is small.

Description

technical field [0001] A large-scale box-type high-temperature material heat exchanger belongs to the field of high-temperature solid material cooling equipment, and is mainly used for centralized airtight cooling and waste heat recovery of small granular and powdery high-temperature materials. Background technique [0002] In industrial production, there are many high-temperature solid materials that need to be cooled, such as ash discharged from circulating fluidized bed, calcined coke formed by calcination of petroleum coke, semi-coke produced by low-temperature dry flow, powder coke formed by pyrolysis of pulverized coal, etc. The existing high-temperature solid cooling equipment mainly includes slag cooler and some special heat exchangers. The slag cooler can be divided into drum type, vibrating box type and turntable type. The common feature is that the heat exchange parts and materials move and exchange heat under the action of mechanical power, and the energy consump...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D11/00
Inventor 刘永启王延遐郑斌孙鹏刘瑞祥
Owner SHANDONG UNIV OF TECH
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