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Device and method for rapid fog dispersal and thermal-cold transformation in leaching dewatering of high-temperature and high-humidity biomass

A high-temperature, high-humidity, cold-to-heat conversion technology, applied in the field of resource utilization of waste biomass, can solve the problems of workshop buildings and equipment corrosion, affecting normal operations, low visibility, etc., and achieves the effect of convenient operation and compact structure

Pending Publication Date: 2019-01-29
山东百川同创能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, when high-temperature and high-humidity materials are poured into the closed material shed workshop for leaching and dehydration, the water vapor carried in the materials will quickly cool down and form mist. Especially in winter, due to the low temperature and fog, the visibility in the workshop is very low, sometimes Even less than 1 meter, and in summer, high-temperature and high-humidity materials will make the temperature in the workshop significantly higher than the outdoor ambient temperature, which not only affects normal operations, but also accelerates the corrosion of workshop buildings and equipment after long-term operation

Method used

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  • Device and method for rapid fog dispersal and thermal-cold transformation in leaching dewatering of high-temperature and high-humidity biomass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Such as figure 1 As shown, a device for quickly eliminating fog and switching between cold and heat during leaching and dehydration of high-temperature and high-humidity biomass, including induced draft fan 1, 2 water curtain injectors, 3-tube bundle demister, wire mesh demister 4, replacement Heater 5, first water pump 6, cooling tower 7, air inlet pipe 8, air suction port 9, air outlet 10, second water pump 11, air outlet pipe 12, sump 13.

[0044] The water curtain injector 2, the tube bundle demister 3, the wire mesh demister 4, and the heat exchanger 5 are integrated and installed in a tower body from bottom to top, and the bottom of the tower body passes through the air inlet pipe 8 and the air suction port. 9 communicates, and after the induced draft fan 1 at the top of the tower body, it communicates with the exhaust outlet 10 through the air outlet duct 12 .

[0045] The connecting end of the air inlet duct 8 and the workshop forms a plurality of branches, and...

Embodiment 2

[0051] A method for quickly eliminating fog and cooling when utilizing the device described in Example 1 to carry out high-temperature and high-humidity biomass leaching and dehydration, comprising the following steps:

[0052] (1) Firstly, the water vapor during the leaching and dehydration of the high-temperature and high-humidity biomass in the workshop is initially cooled and dehumidified through the water curtain formed by the water curtain injector 2; the water injected by the water curtain injector 2 is concentrated in the sump 13 In, then cool down by the cooling tower 7, re-enter the water curtain ejector 2 after cooling, and recycle;

[0053] (2) The water vapor passes through the tube bundle demister 3 and the wire mesh demister 4 successively to remove small-sized droplets and water foam in the water vapor to obtain dry gas;

[0054] (3) The temperature of the dry gas is further lowered through the heat exchanger 5, and the cooled gas enters the workshop.

[0055]...

Embodiment 3

[0059] A method for quickly eliminating fog and heating up when utilizing the device described in Example 1 to carry out high-temperature and high-humidity biomass leaching and dehydration, comprising the steps of:

[0060] (1) First, close the water curtain injector 2, and pass the water vapor during the leaching and dehydration of the high-temperature and high-humidity biomass in the workshop through the tube bundle demister 3 and the wire mesh demister 4 in order to remove the small-sized mist in the water vapor Drops and foam to get dry gas;

[0061] (2) The temperature of the dry gas is further raised through the heat exchanger 5, and the gas enters the workshop after the temperature rise.

[0062] In step (1), the inclination angle of the blades in the tube bundle demister is 30°.

[0063] In step (2), the temperature of the drying gas passing through the heat exchanger is >20° C. and the humidity is <50% RH.

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Abstract

The present invention relates to a device for rapid fog dispersal and thermal-cold transformation in leaching dewatering of high-temperature and high-humidity biomass, and belongs to the technical field of resource utilization of waste biomass. The device comprises a water curtain ejector, a fog dispersal system and a heat exchanger. The water curtain ejector is communicated with a workshop and then sequentially communicated with the fog dispersal system and the heat exchanger, and the heat exchanger is communicated with the workshop. Besides, the heat exchanger is communicated with a heat source or a refrigerant. The device in the present invention can achieve self-circulation fog dispersal and thermal-cold transformation of high-temperature and high-humidity gas within the workshop in the whole process system, and is compact in structure, convenient to operate, and adaptable to various working condition environments. Meanwhile, the device in the present invention can well solve the problem of poor visibility in the workshop resulting from that the water vapor from the leaching dewatering of the high-temperature and high-humidity biomass is prone to fogging in winter, and the problems of affecting normal operation by excessively high temperature in the workshop induced by high-temperature and high-humidity feedstock in summer and accelerating the corrosion of the workshop andequipment with long-time operation.

Description

technical field [0001] The invention relates to the technical field of resource utilization of waste biomass, and in particular to a device and method for eliminating fog and converting heat and cold in a closed environment when high-temperature and high-humidity biomass is leached and dehydrated in a closed environment. Background technique [0002] Solid waste such as traditional Chinese medicine dregs and distiller's grains is the residue produced after cooking, fermenting, and extracting raw materials such as Chinese herbal medicines and grains. It has the characteristics of large and concentrated emissions. Recycling and energy disposal provide favorable conditions. However, such materials have a high initial moisture content (>75%) and a high discharge temperature (>50°C), which determines that they need to be dehydrated before use. In practice, natural leaching, mechanical pressure filtration, and thermal drying are generally used. Chemical and other multi-proc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D47/06B01D50/00
CPCB01D47/06B01D50/60
Inventor 于杰丁军武于圣涛王洪周董磊张兆玲
Owner 山东百川同创能源有限公司
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