Continuous steam explosion device for plant fibers

A plant fiber and steam technology, applied in the direction of raw material separation, can solve the problems of less continuous processing equipment, expensive equipment, and increase the total cost of steam explosion treatment, and achieves strong positive displacement conveying capacity, high-efficiency conveying capacity, and difficult to transport. lingering effect

Active Publication Date: 2015-01-28
SOUTH CHINA UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are fewer equipment for continuous processing, and the equipment is expensive
In addition, the steam used in the existing continuous steam explosion equipment needs to be provided by other auxiliary equipment
This requires that in addition to the steam explosion equipment itself, it must be equipped with auxiliary equipment, thus increasing the total cost of steam explosion treatment

Method used

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  • Continuous steam explosion device for plant fibers
  • Continuous steam explosion device for plant fibers
  • Continuous steam explosion device for plant fibers

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Embodiment

[0025] The continuous steam explosion device for plant fibers of the present invention comprises a sequentially connected material barrel, transmission mechanism and drive mechanism. Such as figure 1 with figure 2 As shown, the barrel 14 is provided with a feed port 18 and a discharge die 15, and the feed port 18 is provided with a hopper 13; The discharge port 19 is vertically downward, and the continuous steam explosion device discharges material along the radial direction of the screw. The geometric shape parameters of the three screws are the same, and the adjacent screws mesh with each other in the radial direction, but the rotation directions of the helices of the adjacent screws are different, and the screw rotation directions are also different. The cross-sectional area of ​​each screw at the end close to the feed port is greater than that at the end close to the discharge port, and has a continuously changing compression ratio. The transmission mechanism includes ...

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Abstract

The invention discloses a continuous steam explosion device for plant fibers. The continuous steam explosion device comprises a barrel, a transmission mechanism and a driving mechanism which are sequentially connected, a feed inlet and a discharge outlet are arranged on the barrel, three screws located on the same horizontal plane are disposed in the barrel, the adjacent screws are radially meshed mutually, the cross sectional area of the end, which is close to the feed inlet, of each screw is larger than that of the end, which is close to the discharge outlet, of the screw, and the driving mechanism is connected with the screws and drives each two adjacent screws to rotate in opposite directions. The continuous steam explosion device can realize continuous steam explosion for materials, and has the advantages of simple structure, low manufacturing cost, fine steam explosion effect and high yield.

Description

technical field [0001] The invention relates to a steam explosion device in the biomass pretreatment process, in particular to a continuous steam explosion device for plant fibers. Background technique [0002] Many productions require pretreatment of biomass, such as paper pulping, alcohol production by fermentation, wood-based panels, fiberboards, and wood-plastic composite materials. The pretreatment of plant fibers usually includes physical methods, chemical methods and biological methods. The steam explosion treatment method belongs to one of the physical methods. The advantage of this method is that it does not need to add any chemical agents during the treatment process, the cost is low, and it will not pollute the environment. [0003] With the development of science and technology, steam explosion equipment is also continuously improved and perfected. The forms of steam explosion equipment mainly include intermittent and continuous. Batch processing has the charac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21B1/36
Inventor 瞿金平冯彦洪何和智
Owner SOUTH CHINA UNIV OF TECH
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