雙出頭秸稈液壓成型機的設(shè)計

摘  要
我國農(nóng)作物秸稈資源非常豐富，但大部分沒有得到合理有效的利用。生物質(zhì)能源轉(zhuǎn)換技術(shù)在使秸稈資源得到充分利用的同時，也增加了農(nóng)民的收入，為促進農(nóng)業(yè)的可持續(xù)發(fā)展做出貢獻。
本論文是通過對HPB-III生物質(zhì)成型機出現(xiàn)的各種問題進行理論分析，并在此基礎(chǔ)上做出改進設(shè)計，設(shè)計出一種新型成型機(雙出頭秸稈液壓成型機)。這種成型機以液壓驅(qū)動、雙向成型為基礎(chǔ)，從產(chǎn)業(yè)化的角度對HPB-III型生物質(zhì)成型機進行了液壓系統(tǒng)和成型部件的改進設(shè)計，采用雙缸雙活塞雙閥，使該成型機運行壓力在8 MPa左右，低壓運行，穩(wěn)定性提高，綜合性能提高，生產(chǎn)率達到500kg/h，單位能耗70kWh/t左右，進一步推動了生物質(zhì)固化成型技術(shù)的發(fā)展。

關(guān)鍵詞:生物質(zhì)(秸稈)，液壓成型機，液壓成型，改進設(shè)計

The Design of Bi- Direction Biomass Briquetting Machine
by Hydraulic Driven
ABSTRACT
Crop residues are very abundant in our country. but most of them haven’t got sufficient use. Biomass energy converting technology make the full use of straw resource become possible, on the same time, it also increase the income of farmer, and pay attribute to the improvement of the agricultural sustainable development.
This paper used theory analysis to analyze all kind problems of HPB-III, used improved design, designed a new briquetting machine (THE BI-DIRECTION BIOMASS (STRAW) BRIQUETTING MACHINE BY HYDRAULIC DRIVEN). Based on the fluid power drive and bi-direction briquetting, the hydraulic system and the HPB-III briquetting machine components were improved on design. Two-cylinder, double-valve, and double-piston technology has been used. After operation test, it showed that the operation pressure has dropped, the stability has enhanced and the overall performance has improved. The productivity achieves 500kg/h, unit energy consumption reaches to 70kWh/t, and the operation pressure was about 8 MPa, basically solved the technical promotion problems of the briquetting machine.

Key words: Biomass (Straw), Briquetting machine by hydraulic piston, Hydraulic press, Improved design

目  錄

1 緒論 1
1.1 研究背景 1
1.2 國內(nèi)外生物質(zhì)成型機研究現(xiàn)狀 1
1.3 秸稈壓縮成型研究現(xiàn)狀 2
1.3.1 秸稈的物理特性 2
1.3.2 秸稈的切碎特性 2
1.3.3 秸稈的壓縮特性 2
1.3.4 壓縮成型工藝 3
1.4 目前主要的成型機類型 3
1.4.1 活塞式成型機 3
1.4.2 螺旋式成型機 3
1.4.3 模壓顆粒成型機 3
1.4.4 各類生物質(zhì)成型機存在的缺陷 4
1.4.5 HPB III型生物質(zhì)成型機 4
1.5 本課題的提出目的及意義 5
1.6 研究思路 5
2 HPB-III型生物質(zhì)成型機運行狀況分析 6
2.1 設(shè)計上的問題分析 6
2. 2 加工上的問題分析 6
3 雙出頭秸稈液壓成型機的設(shè)計 7
3.1 設(shè)計指導(dǎo)思想 7
3.2 液壓系統(tǒng)的設(shè)計 8
3.2.1 主油缸的設(shè)計 8
3.2.2 液壓系統(tǒng)的設(shè)計 8
3.3 成型機結(jié)構(gòu)的設(shè)計 10
3.4 設(shè)計指標(biāo)及設(shè)計參數(shù) 11
3.4.1 設(shè)計指標(biāo) 11
3.4.2 主要設(shè)計參數(shù) 11
3.5 成型機工作流程 12
4 雙出頭秸稈液壓成型機設(shè)計計算過程 13
4.1 擬定液壓系統(tǒng)圖 13
4.2 主要計算過程 13
5 結(jié)束語 18
致謝 20
參考文獻 21