本文選題：礦井通風(fēng)系統(tǒng) + 巷道斷面優(yōu)化　； 參考：《昆明理工大學(xué)》2014年碩士論文

【摘要】：羅茨鐵礦地采前期工程(13a以前)開采近10個(gè)中段,致使通風(fēng)巷道分布錯(cuò)綜復(fù)雜、通風(fēng)線路過(guò)長(zhǎng)、漏風(fēng)較大等,從而使用風(fēng)地點(diǎn)供風(fēng)越來(lái)越困難,原有的通風(fēng)系統(tǒng)不能滿足現(xiàn)在技改工程生產(chǎn)區(qū)的生產(chǎn)需要。因此,十分有必要對(duì)羅茨鐵礦技改工程進(jìn)行通風(fēng)優(yōu)化研究。 根據(jù)礦方所提供的必要的基礎(chǔ)性資料,本文深入了解了技改工程采礦方法,并對(duì)技改工程開拓系統(tǒng)、生產(chǎn)任務(wù)和布局等進(jìn)行研究,從而利用3Dvent繪制技改工程通風(fēng)系統(tǒng)網(wǎng)絡(luò)圖；確定技改工程需風(fēng)量和總風(fēng)量后,本文對(duì)其風(fēng)量集中的通風(fēng)巷道進(jìn)行斷面優(yōu)化,并結(jié)合該礦的開拓系統(tǒng)和采礦方法,擬定了三對(duì)六個(gè)通風(fēng)可行性方案,并運(yùn)用3Dvent對(duì)各方案進(jìn)行網(wǎng)絡(luò)解算。 本文建立了一個(gè)相對(duì)合理簡(jiǎn)練并適合該礦通風(fēng)系統(tǒng)特點(diǎn)的評(píng)價(jià)指標(biāo)體系,并對(duì)傳統(tǒng)的層次分析法進(jìn)行改進(jìn),提出模糊層次分析法,并選用基于梯形模糊數(shù)的模糊層次分析法確定各指標(biāo)的權(quán)重；本文利用隸屬度法和相對(duì)二元比較法分別對(duì)定量指標(biāo)和定性指標(biāo)進(jìn)行屬性賦值,并對(duì)傳統(tǒng)模糊綜合評(píng)價(jià)法進(jìn)行改進(jìn),引進(jìn)灰色系統(tǒng)理論理念,求出各方案的綜合評(píng)價(jià)值,進(jìn)而確定方案三～擴(kuò)刷為最優(yōu)方案；本文運(yùn)用Markov過(guò)程、冷儲(chǔ)備可修復(fù)系統(tǒng)等理論對(duì)方案三～擴(kuò)刷的以主要通風(fēng)機(jī)DK40-8-No25-35/30為核心的主要通風(fēng)機(jī)系統(tǒng)進(jìn)行可靠性分析,并給出相應(yīng)建議。 本文通過(guò)對(duì)羅茨鐵礦技改工程通風(fēng)系統(tǒng)的優(yōu)化,對(duì)技改工程通風(fēng)系統(tǒng)前期運(yùn)轉(zhuǎn)提供依據(jù),對(duì)實(shí)際生產(chǎn)具有指導(dǎo)意義;在優(yōu)化過(guò)程中,本文建立了一個(gè)新的通風(fēng)系統(tǒng)方案優(yōu)選模型,對(duì)通風(fēng)系統(tǒng)優(yōu)化的進(jìn)一步研究有一定的積極意義。
[Abstract]:About 10 middle sections of Roots iron mine were mined in the early stage of mining, which resulted in complicated distribution of ventilation roadways, long ventilation lines, large air leakage, etc. As a result, it is becoming more and more difficult to use wind sites to supply air. The original ventilation system can not meet the production needs of the current technical transformation project production area. Therefore, it is necessary to study the ventilation optimization of the technical reform project of Roots Iron Mine. According to the necessary basic information provided by the mine, this paper deeply understands the mining method of the technical reform project, and studies the system, production task and layout of the technical reform project, so as to draw the network diagram of the ventilation system of the technical reform project by using 3Dvent. After determining the required air volume and the total air volume of the technical reform project, this paper optimizes the section of the ventilation roadway with concentrated air volume, and in combination with the development system and mining method of the mine, draws up three pairs and six ventilation feasibility schemes. And use 3Dvent to carry on network solution to each scheme. In this paper, a relatively reasonable and concise evaluation index system suitable for the characteristics of ventilation system in the mine is established, and the traditional analytic hierarchy process is improved, and the fuzzy analytic hierarchy process is put forward. The weight of each index is determined by fuzzy analytic hierarchy process based on trapezoid fuzzy number. The traditional fuzzy comprehensive evaluation method is improved, the grey system theory is introduced, the comprehensive evaluation value of each scheme is obtained, and the scheme 3 ~ extension is determined as the optimal scheme. The theory of cold reserve repairable system is used to analyze the reliability of the main fan system with the main fan DK40-8-No25-35/30 as the core, and the corresponding suggestions are given. By optimizing the ventilation system of the technical transformation project of Roots Iron Mine, this paper provides the basis for the early operation of the ventilation system of the technical reform project, and has guiding significance for the actual production. In this paper, a new optimization model of ventilation system scheme is established, which has certain positive significance for further study of ventilation system optimization.
【學(xué)位授予單位】：昆明理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TD724

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