本文關(guān)鍵詞： 建筑垃圾 移動(dòng)篩分站 方案設(shè)計(jì) 動(dòng)力學(xué)分析 多目標(biāo)優(yōu)化　出處：《山東大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

【摘要】：隨著我國城市化進(jìn)程迅速發(fā)展,產(chǎn)生了巨大的建筑垃圾,建筑垃圾的傳統(tǒng)處理方式存在環(huán)境污染大、資源浪費(fèi)嚴(yán)重等問題,已然不符合節(jié)能環(huán)保發(fā)展政策要求。從國外最新發(fā)展現(xiàn)狀來看,建筑垃圾資源化是建筑垃圾處理最有效途徑,而建筑垃圾資源化裝備的落后嚴(yán)重阻礙了我國建筑垃圾資源化進(jìn)程,所以新型建筑垃圾資源化裝備的創(chuàng)新研制成為建筑垃圾資源化綠色發(fā)展迫切需要解決的問題。課題介紹了建筑垃圾資源化的相關(guān)概念,分析了國內(nèi)外建筑垃圾資源化的研究現(xiàn)狀,指出建筑垃圾資源化缺少專用篩分裝備,針對(duì)不足研制了適合建筑垃圾資源化的移動(dòng)篩分裝備,并對(duì)其結(jié)構(gòu)進(jìn)行優(yōu)化。課題研究提出了一種建筑垃圾資源化篩分裝備設(shè)計(jì)及優(yōu)化的新方法,對(duì)提高建筑垃圾骨料處理效率具有重大意義。運(yùn)用功能分析的方法進(jìn)行移動(dòng)篩分站的結(jié)構(gòu)方案設(shè)計(jì),結(jié)合方案設(shè)計(jì)原則,確定了兩組結(jié)構(gòu)方案；建立了模糊綜合評(píng)價(jià)的數(shù)學(xué)模型,運(yùn)用熵權(quán)的模糊綜合評(píng)價(jià)法對(duì)以上兩組結(jié)構(gòu)方案進(jìn)行評(píng)價(jià),最終確定了最佳結(jié)構(gòu)方案(履帶式移動(dòng)篩分站)；同時(shí)評(píng)價(jià)出了各指標(biāo)的優(yōu)劣,引出了該裝備后續(xù)的研究方向,即振動(dòng)篩的優(yōu)化設(shè)計(jì)。通過對(duì)振動(dòng)篩工作原理、運(yùn)動(dòng)學(xué)、動(dòng)力學(xué)分析,完成了200t/h振動(dòng)篩的結(jié)構(gòu)性能參數(shù)的設(shè)計(jì)�；诙嗄繕�(biāo)優(yōu)化方法對(duì)振動(dòng)篩振動(dòng)特性參數(shù)進(jìn)行優(yōu)化設(shè)計(jì),得到了最佳的振動(dòng)篩振動(dòng)特性參數(shù)。經(jīng)過優(yōu)化后的振動(dòng)篩功率消耗降低了13%,篩面面積減少了11%,篩箱質(zhì)量降低了10%。運(yùn)用ANSYS有限元分析軟件,對(duì)振動(dòng)篩箱結(jié)構(gòu)進(jìn)行模態(tài)分析,得到前十階的固有頻率與振型,發(fā)現(xiàn)振動(dòng)篩箱有產(chǎn)生共振的危險(xiǎn),對(duì)此展開振動(dòng)篩箱的結(jié)構(gòu)優(yōu)化,從而避免共振；由于振動(dòng)篩存在外激力的作用,對(duì)振動(dòng)篩箱進(jìn)行諧響應(yīng)分析,觀察篩箱關(guān)鍵節(jié)點(diǎn)的幅頻曲線,得到在外激力的作用下亦不會(huì)發(fā)生共振,說明振動(dòng)篩箱結(jié)構(gòu)優(yōu)化合理。從而避免了振動(dòng)篩箱的疲勞破壞,降低了工作噪聲,提升了建筑垃圾資源化移動(dòng)篩分站的綜合性能。
[Abstract]:With the rapid development of China's city development, produced a huge construction waste, the traditional way of building waste pollution problems, serious waste of resources, already does not meet the development policy of energy saving and environmental protection requirements. Based on the current development of the latest foreign, building garbage recycling is the most effective way of building garbage disposal, and behind the waste recycling equipment construction has seriously hindered China's construction waste resource process, so the innovation of new building waste resources equipment development become a problem of green construction waste resource development needs to solve urgently. The thesis introduces related concepts of construction waste resources, analyzes the present research situation of building garbage resources at home and abroad. It points out the special screening equipment, lack of construction waste resources, aiming at the shortage of the mobile screening equipment for construction waste recycling is developed, and its structure. For the optimization. The research proposes a new method of screening equipment design and optimization of a construction waste resources, is of great significance to improve the efficiency of building rubbish aggregate processing. Using the method of functional analysis and design scheme of mobile screening station, combined with the design principle, the two groups to determine the structure of the program; established the mathematical model of fuzzy comprehensive evaluation, evaluation of the above two group structure scheme of the fuzzy comprehensive evaluation method using entropy, and ultimately determine the best structure scheme (tracked mobile screening station); at the same time, the evaluation indexes of the advantages and disadvantages, leads to the further research direction of the equipment, the optimization design of the working principle of vibrating screen. The vibration sieve, kinematics, dynamics analysis, completed the design of the structure parameters of 200t/h vibrating screen. Based on the multi-objective optimization method of vibrating screen vibration parameters in the optimization Design, obtained the optimal parameters of the vibration characteristics of vibrating screen. After optimization of the vibration sieve power consumption reduced by 13%, the screen surface area decreased by 11%, reduce the quality of screen box 10%. using finite element analysis software ANSYS, the vibration sieve box structure modal analysis, get the first ten order natural frequency and vibration mode. That is dangerous to produce resonance vibration sieve box, which started to optimize the structure of vibrating screen box, so as to avoid resonance; because of the vibration sieve external excitation force of vibration sieve box by harmonic analysis, amplitude frequency curve of observation screen box of key nodes, in the external force will not resonate note, vibration sieve box structure optimization. In order to avoid the fatigue failure of vibration sieve box, reduce noise, enhance the comprehensive performance of construction waste recycling mobile screening station.

【學(xué)位授予單位】：山東大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：X799.1

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