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Fair-current and transverse-flow combined grain drying device

A grain drying and equipment technology, which is applied in grain drying, drying gas arrangement, lighting and heating equipment, etc., can solve the problems of low thermal efficiency and inability to work, and achieve the effect of improving drying quality, improving uniformity, and reducing crack growth rate

Inactive Publication Date: 2018-06-12
TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Description
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AI Technical Summary

Problems solved by technology

Oil-fired hot air stoves can adapt to the southern and northern environments, while heat pumps have such low thermal efficiency that they cannot work in some cases due to the low ambient temperature.

Method used

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  • Fair-current and transverse-flow combined grain drying device

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Embodiment Construction

[0013] like figure 1 The grain drying equipment of a combination of co-current and cross-flow is shown, which is a grain drying equipment combined with co-current drying and cross-flow drying, which includes a dryer and a heating system; The grain drying equipment has a combined dryer and heating system, which can match the structure size of the dryer with the heating capacity of the heating system according to actual needs:

[0014] 1. Grain storage section, 2. First-level downstream drying section, 3. First-level slow drying section, 4. Secondary downstream drying section, 5. Secondary slow drying section, 6. Cross-flow drying section, 7. Grain row section, 8. Elevator, 9. Hot air ducts, 10 heating systems.

[0015] The grain drying equipment described in a combination of downstream and cross flow has a combined dryer and a heating system. The heating system is connected with the hot air pipeline of the combined dryer.

[0016] The working process of a kind of grain dryin...

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Abstract

The present invention discloses a fair-current and transverse-flow combined grain drying device. The grain drying device comprises a dryer and a heat supply system. The dryer mainly comprises a grainstorage section, a first-grade fair-current drying section, a first-grade tempering section, a second-grade fair-current drying section, a second-grade tempering section, a transverse-flow drying section, a grain discharging section, a hoisting machine and a hot air pipeline. A main function of the heat supply system is to provide hot air with high temperature and low humidity, and a fuel oil heatsupply system or a heat pump heat supply system can be equipped according to environmental conditions. The combined drying device has technical advantages of being low in drying energy consumption and adjustable in drying quality. Drying process parameters of drying temperature, drying wind speed and dehydration rate of the drying device can be adjusted.

Description

technical field [0001] The invention relates to the technical field of combined grain drying, in particular to grain drying equipment combined with parallel flow and cross flow. Background technique [0002] The ultimate goal of grain drying is to reduce moisture content and improve drying quality. Therefore, determining the drying process has become a key technical issue. At present, the techniques used in grain drying technology are multi-stage downstream, multi-stage cross-flow, and multi-stage mixed flow. Among them, downflow has the technical advantage of being able to use higher temperature drying media for drying. When the thickness of the valley layer is reasonable, cross-flow drying can be used to increase the dehydration rate; if the above two drying technology advantages are combined, productivity and drying can be improved. purpose of quality. [0003] Various forms of heat sources can be used in the grain drying process, such as coal-fired hot air stoves, oil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B9/08F26B21/00
CPCA23B9/08F26B21/00F26B2200/06Y02A40/90
Inventor 朱恩龙郭红莲景君
Owner TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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