Numerical control continuous steam explosion machine

Abstract

The invention relates to production equipment for performing steam explosion pretreatment on biomass, in particular to pretreatment equipment in biomass utilization industry and provides a numerical control continuous steam explosion machine which can finish a supersonic speed steam explosion process in 8.75milliseconds according to a principle of a sliding sealing cover. The air bleeding section area of the steam explosion machine, namely the section area of the sliding sealing cover is equal to the section area of a high-pressure cylinder body, and the section area is in a fixed proportion with a steam explosion treatment volume, so that the problem that air bleeding time is prolonged along with the increasing of the treatment volume in the conventional hot blow process is solved, the power density of steam explosion is improved by three magnitude orders, the curing degrees of materials which are treated in batches are consistent, and the foundation is laid for the consistency of an industrial biochemical treatment process. Meanwhile, the machine has the fully-automatic feeding and discharging function, so that continuous steam explosion production is realized.

Description

technical field [0001] The invention relates to a production equipment for performing steam explosion pretreatment on biomass, which is the pretreatment equipment in the biomass utilization industry. Background technique [0002] The technical essence of Steam Explosion is to release the steam molecules that have penetrated into the plant tissue in a short period of time, and the purpose is to decompose the raw materials according to the purpose with less energy. The steam explosion machine is to suspend the raw materials and high-pressure steam in the container in the air space in the form of explosion in the range of milliseconds. This process not only utilizes the high-pressure potential energy of the steam, but more importantly, converts the internal energy of the steam into mechanical energy, realizing adiabatic expansion and doing work. Due to its short action time, high energy density and concentrated action position, the water vapor molecules penetrating into the ga...

AI Technical Summary

Problems solved by technology

The main problem of this mode is: because the venting section is much smaller than the volume of the pressure vessel, and the opening speed of the high-pressure valve is limited, the pressure release process of the high-pressure steam takes a long time, usually 3 to 10 seconds, which is difficult to reach the millisecond level, and cannot Realize steam adiabatic expansion to do work, reduce the energy density, and make the material decomposition degree not high

This kind of technological process does not fill explosive compressed gas energy in the way that the gas penetrates into the plant tissue, and makes it explode and release in a short time. Horizontally break the original cellulose macromolecular lattice

The result is a huge power consumption to compress the solid, but does not produce the desired effect of the pretreatment of the cellulosic material, and does not help much in the later enzymatic hydrolysis

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