本文選題：水力通風(fēng)換熱機(jī) + 動力源��； 參考：《中南大學(xué)》2014年碩士論文

【摘要】：摘要：在深部開采過程中需發(fā)展人工降溫技術(shù),依據(jù)水能利用理論,提出了在深井或超深井礦山采掘工作面采用水力驅(qū)動通風(fēng)機(jī)(局部),實現(xiàn)通風(fēng)降溫高效聯(lián)合的設(shè)想,并已成功試制實驗室樣機(jī)一臺。水力通風(fēng)換熱機(jī)進(jìn)行現(xiàn)場應(yīng)用試驗前,水是其關(guān)鍵性因素,既是風(fēng)機(jī)的動力來源,又是通風(fēng)換熱發(fā)揮降溫效能的冷載體,還是裝置濕式除塵的洗劑。基于此,本文對礦山的供排水系統(tǒng)及水能情況進(jìn)行了研究。研究的主要工作有： (1)在課題組前期研究基礎(chǔ)上,介紹了水力通風(fēng)換熱機(jī)的工作原理,從能量轉(zhuǎn)化角度分析了水力通風(fēng)換熱機(jī),將水力通風(fēng)換熱機(jī)劃分為動力系統(tǒng)、機(jī)械能轉(zhuǎn)換系統(tǒng)、氣液換熱系統(tǒng)、排水系統(tǒng)4個能量子系統(tǒng),尋得評價各能量子系統(tǒng)性能好壞的指標(biāo)。 (2)選定風(fēng)量、風(fēng)速、干球溫降、制冷量、第一換熱效率作為水力通風(fēng)換熱機(jī)的主要輸出參數(shù),水量、水壓、水溫、水質(zhì)作為水力通風(fēng)換熱機(jī)的主要用水參數(shù)。針對水力通風(fēng)換熱機(jī)的這些參數(shù),設(shè)計了實驗室模擬條件下水力通風(fēng)換熱機(jī)改進(jìn)后性能參數(shù)的測定實驗。通過實驗,測得水力通風(fēng)換熱機(jī)各性能參數(shù)的數(shù)值。 (3)根據(jù)實驗數(shù)據(jù),分析了改進(jìn)后樣機(jī)的運(yùn)行狀況。針對裝置存留問題如：風(fēng)量偏小、動力效率分析誤差較大、風(fēng)機(jī)靜壓不足等,分析了樣機(jī)存在問題的原因,形成進(jìn)一步解決方案。 (4)分析了水力通風(fēng)換熱機(jī)的用水要求,基于假定條件,建立了水力通風(fēng)換熱機(jī)的主要用水參數(shù)和主要輸出參數(shù)的數(shù)學(xué)關(guān)系。利用實驗數(shù)據(jù),確立了水力通風(fēng)換熱機(jī)上述參數(shù)間存在的統(tǒng)計學(xué)關(guān)系。 (5)根據(jù)文獻(xiàn)和現(xiàn)場資料,分析了深井或超深井礦山的水源,并計算水量。分析了礦山用水的構(gòu)成,總結(jié)了礦山的各用水地點。研究了礦山的給排水系統(tǒng),總結(jié)了供水、排水管網(wǎng)的類型及功能,并進(jìn)行了水力和水量計算。 (6)根據(jù)對礦山水源、用水的構(gòu)成、給排水系統(tǒng)進(jìn)行研究的結(jié)果,分析了礦山深部開采水能資源的來源,計算了水能資源的蘊(yùn)藏量；分析了水能資源的存在形式、應(yīng)用方式及可用性,著重分析了其中可用于水力通風(fēng)換熱機(jī)的水能資源,并進(jìn)行了相關(guān)計算。具體到研究設(shè)備上就是,明確了哪些水能在水力通風(fēng)換熱機(jī)現(xiàn)場應(yīng)用試驗中可以加以利用,且容易利用。 (7)分析了實驗室模擬實驗和現(xiàn)場應(yīng)用試驗的不同,總結(jié)了水力通風(fēng)換熱機(jī)進(jìn)行現(xiàn)場應(yīng)用試驗所需要的試驗條件。結(jié)合從某些深井礦山收集的現(xiàn)場資料,分析了水力通風(fēng)換熱機(jī)在進(jìn)行現(xiàn)場應(yīng)用試驗時,可能出現(xiàn)、面臨的問題。 (8)根據(jù)分析結(jié)果,提出了分期漸進(jìn)進(jìn)行現(xiàn)場應(yīng)用試驗的設(shè)想,初步擬定了水力通風(fēng)換熱機(jī)現(xiàn)場應(yīng)用試驗的試驗方案。在現(xiàn)場應(yīng)用階段,還可以改進(jìn)和研究除濕,除塵等問題。
[Abstract]:Abstract: it is necessary to develop artificial cooling technology in deep mining process. According to the theory of water energy utilization, the idea of adopting hydraulic driven ventilator (local fan) in deep or ultra-deep mining face is put forward to realize the combination of ventilation, cooling and cooling efficiency.And has successfully produced a prototype laboratory.Before the field application test of hydraulic ventilation heat exchanger, water is the key factor, which is not only the power source of fan, but also the cold carrier of ventilation heat transfer to play the cooling effect, and the washing agent of wet dust removal device.Based on this, the mine water supply and drainage system and the situation of water energy are studied in this paper.The main tasks of the study are:1) on the basis of the previous research of the research group, the working principle of the hydraulic ventilation heat exchanger is introduced, and the hydraulic ventilation heat exchanger is analyzed from the angle of energy conversion. The hydraulic ventilation heat exchanger is divided into power system and mechanical energy conversion system.Four energy subsystems of gas-liquid heat transfer system and drainage system were used to evaluate the performance of each energy quantum system.2) selecting air volume, wind speed, dry ball temperature drop, refrigerating capacity, first heat transfer efficiency as the main output parameters of hydraulic ventilation heat exchanger, water quantity, water pressure, water temperature and water quality as the main water use parameters of hydraulic ventilation heat exchanger.Aiming at these parameters of hydraulic ventilation heat exchanger, an experiment was designed to measure the improved performance parameters of hydraulic ventilation heat exchanger under the condition of laboratory simulation.The parameters of hydraulic ventilation heat exchanger were measured by experiments.According to the experimental data, the operation status of the improved prototype is analyzed.In view of the problems such as small air volume, large error in dynamic efficiency analysis and insufficient static pressure of fan, the causes of the problems in the prototype are analyzed, and further solutions are formed.4) the water requirement of hydraulic ventilation heat exchanger is analyzed. Based on the assumption condition, the mathematical relationship between the main water consumption parameters and the main output parameters of the hydraulic ventilation heat exchanger is established.Based on the experimental data, the statistical relationship between the above parameters of hydraulic ventilation heat exchanger is established.According to the literature and field data, the water source of deep or ultra deep mine is analyzed, and the water quantity is calculated.The composition of mine water use is analyzed, and the water use sites of mine are summarized.The water supply and drainage system of mine is studied, the types and functions of water supply and drainage pipe network are summarized, and the hydraulic and water quantity calculation is carried out.Based on the results of the research on mine water source, water use composition and water supply and drainage system, the source of deep mining water resources in mine is analyzed, the reserves of water energy resources are calculated, and the existing forms of water energy resources are analyzed.The application mode and availability of hydraulic energy resources which can be used in hydraulic ventilation heat exchanger are analyzed and the relevant calculation is carried out.On the research equipment, it is clear which water can be used in the field application test of hydraulic ventilation heat exchanger, and it is easy to use.This paper analyzes the difference between the laboratory simulation experiment and the field application test, and summarizes the test conditions needed for the field application test of the hydraulic ventilation heat exchanger.Based on the field data collected from some deep well mines, the problems that may arise and face when the hydraulic ventilation heat exchanger is tested in the field are analyzed.Based on the analysis results, the tentative plan of field application test of hydraulic ventilation heat exchanger is put forward.In the field application stage, we can also improve and study dehumidification, dust removal and other problems.
【學(xué)位授予單位】：中南大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TD724

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相關(guān)期刊論文 前2條

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本文編號：1756326