本文選題：礦井 + 通風(fēng)系統(tǒng)　； 參考：《內(nèi)蒙古科技大學(xué)》2014年碩士論文

【摘要】：礦井火災(zāi)造成的損失和危害極大，為了盡量避免礦井火災(zāi)的發(fā)生，同時在火災(zāi)一旦發(fā)生最大程度撲滅、控制火災(zāi)，有必要建立一個專門針對礦井通風(fēng)系統(tǒng)的抗火災(zāi)能力的評價方法，能全面系統(tǒng)的反映出礦井所處的環(huán)境、人員和設(shè)施對礦井火災(zāi)這一事件的影響，從而驗證通風(fēng)系統(tǒng)中的各個系統(tǒng)的合理性、防火安全管理是否完善，其預(yù)防措施和預(yù)案是否有效，對礦井的日常防火管理工作起到監(jiān)督、指導(dǎo)的作用。 首先，，在研究和選擇通風(fēng)系統(tǒng)抵御火災(zāi)的能力的關(guān)聯(lián)因素時，除了考慮防火措施和防火管理等方面因素外，同時考慮礦井通風(fēng)系統(tǒng)火災(zāi)狀況下穩(wěn)定性和災(zāi)變風(fēng)流流動規(guī)律對通風(fēng)系統(tǒng)的影響。經(jīng)過相應(yīng)的優(yōu)化后，將通風(fēng)系統(tǒng)抗火災(zāi)能力的評價模型構(gòu)造為一個3層的層次分析模型，并由通風(fēng)網(wǎng)絡(luò)穩(wěn)定性、防火措施、防火管理、火災(zāi)救援和火災(zāi)避險這5類中的27個指標(biāo)因素構(gòu)成。在研究其中通風(fēng)系統(tǒng)穩(wěn)定性這一子目標(biāo)時，選取主要通風(fēng)機運行狀況、礦井通風(fēng)難易程度、礦井通風(fēng)阻力分布合理性、礦井通風(fēng)網(wǎng)絡(luò)復(fù)雜程度這4個正常時期通風(fēng)系統(tǒng)穩(wěn)定性因素，并提出將火風(fēng)壓、火災(zāi)節(jié)流效應(yīng)和繼發(fā)災(zāi)變這3個火災(zāi)對通風(fēng)系統(tǒng)造成影響的因素作為通風(fēng)系統(tǒng)的穩(wěn)定性指標(biāo)引入到評價體系中。 再次，對評價模型中各指標(biāo)權(quán)重值的量化處理上，選擇1~9級標(biāo)度比較法對各指標(biāo)的重要度進行比較構(gòu)造判斷矩陣，確定各個指標(biāo)在整個評價模型的所占比例權(quán)重。在評價指標(biāo)得分的界定時分為良好、合格、不合格三個級別，并通過線性隸屬函數(shù)指標(biāo)的得分規(guī)范化便于合成計算。在進行最后的綜合評價時使用模糊綜合評價法，并使用加權(quán)平均型的合算算法，能避免評價時淹沒權(quán)重值較小的指標(biāo)。 最后，在對生產(chǎn)礦井的實際評價中，根據(jù)案例礦井中通風(fēng)系統(tǒng)中的防火設(shè)施、管理的狀況以及測得相應(yīng)通風(fēng)參數(shù)，匯總后確立案例的評價體系中各指標(biāo)的評定值，得出礦井通風(fēng)系統(tǒng)的抗火災(zāi)能力狀況，并從各個指標(biāo)的評定中看出礦井中防火工作需要改進的方面，這驗證了該方法的可操作性和實用性，同時該方法也可驗證不同的網(wǎng)絡(luò)改造方案的合理性。
[Abstract]:The damage and harm caused by mine fire is great. In order to avoid the occurrence of mine fire as far as possible and to control the fire once the fire occurs to the maximum extent, It is necessary to establish an evaluation method specifically for the fire resistance of mine ventilation system, which can comprehensively and systematically reflect the impact of the mine environment, personnel and facilities on the mine fire incident. In order to verify the rationality of each system in the ventilation system, whether the fire safety management is perfect or not, whether the preventive measures and plans are effective or not, it can supervise and guide the daily fire prevention management of the mine. First of all, in studying and selecting the relevant factors of ventilation system's ability to resist fire, in addition to considering fire prevention measures and fire prevention management and other factors, At the same time, the influence of the stability of mine ventilation system and the flow law of catastrophic air flow on the ventilation system is considered. After the corresponding optimization, the evaluation model of ventilation system fire resistance ability is constructed into a three-layer hierarchical analysis model, and the ventilation network stability, fire prevention measures, fire prevention management, There are 27 index factors in the five categories of fire rescue and fire risk avoidance. In the study of the ventilation system stability, the main ventilator operation condition, mine ventilation difficulty degree, mine ventilation resistance distribution rationality, the main ventilator operation condition, the mine ventilation difficulty easy degree, the mine ventilation resistance distribution rationality, The complex degree of mine ventilation network is the factor of ventilation system stability in four normal periods, and the fire wind pressure is put forward. Fire throttling effect and secondary catastrophe are three factors that affect ventilation system as the stability index of ventilation system. Thirdly, on the quantitative processing of the weight value of each index in the evaluation model, we choose the scale comparison method of 1 ~ 9 level to compare the importance of each index to construct the judgment matrix, and determine the proportion weight of each index in the whole evaluation model. The evaluation index scores can be divided into three grades: good, qualified and unqualified, and it is easy to synthesize and calculate through the standardization of the index of linear membership function. The fuzzy comprehensive evaluation method is used in the final comprehensive evaluation and the weighted average algorithm is used to avoid the inundation of the index with small weight value. Finally, in the actual evaluation of the production mine, according to the case of mine ventilation system fire prevention facilities, management conditions and measurement of the corresponding ventilation parameters, summed up to establish the case evaluation system evaluation value of each index. The fire resistance ability of mine ventilation system is obtained, and the aspects of fire prevention need to be improved from the evaluation of each index, which verifies the maneuverability and practicability of this method. At the same time, this method can also verify the rationality of different network reconstruction schemes.
【學(xué)位授予單位】：內(nèi)蒙古科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TD724

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