礦井通風(fēng)阻力測定(范本)

3礦井通風(fēng)阻力測定報(bào)告范本1.概述礦井通風(fēng)系統(tǒng)現(xiàn)狀礦井運(yùn)轉(zhuǎn)主扇1臺(tái)，主備扇力量一樣。通風(fēng)方式為中心分列式，通風(fēng)方法為抽出式。主要參數(shù)見下表：參數(shù)扇風(fēng)機(jī)額定額定額定電機(jī)額因葉電機(jī)負(fù)壓等級(jí)名稱型號(hào)功率KW電壓電流定轉(zhuǎn)數(shù)r/min數(shù)角片角型號(hào)H2omm孔m2二水平扇風(fēng)機(jī)GAF31·5－20－1GZ〔備扇同〕140063001057400.8-110Y638－82803.815000m3/4000Pa1#9600m3/min，10059m3/min。72萬噸/19738月投產(chǎn)，近年來，因銷售形勢好轉(zhuǎn)，產(chǎn)量有所增加。為了滿足市場需求，礦井將進(jìn)一步擴(kuò)大生目前生產(chǎn)區(qū)域主要布置在二水平。東一采區(qū)布置一個(gè)綜采面、5個(gè)掘進(jìn)隊(duì),下延布置一個(gè)采煤、62500m3/min，885m3/min，礦井總風(fēng)量9600m3/min,。工程實(shí)施背景隨著下延采區(qū)、東一采區(qū)的延長和中部層采區(qū)的連續(xù)開采，使全礦井所需風(fēng)量增120萬噸年。對(duì)礦井通風(fēng)系統(tǒng)的改造勢在必行。因此在現(xiàn)在必需做好前期預(yù)備工作，進(jìn)展礦井通風(fēng)阻力測定。2、平崗煤礦通風(fēng)阻力實(shí)際測定、計(jì)算及分析、通風(fēng)阻力測定的目的礦井通風(fēng)阻力測定是礦井通風(fēng)技術(shù)治理的一項(xiàng)重要內(nèi)容，其主要目的在于：了解礦井通風(fēng)系統(tǒng)的阻力分布狀況；為生產(chǎn)礦井通風(fēng)系統(tǒng)優(yōu)化和合理配風(fēng)供給根底資料和參數(shù)；為礦井井下災(zāi)難防治和風(fēng)流調(diào)整供給必要的根底資料；為保證礦井的正常生產(chǎn)和增產(chǎn)提效供給依據(jù)；為礦井通風(fēng)力量核定供給根底參數(shù)。、通風(fēng)阻力測定的技術(shù)依據(jù)及方法、測定的技術(shù)依據(jù)《煤礦安全質(zhì)量標(biāo)準(zhǔn)化標(biāo)準(zhǔn)及考核評(píng)級(jí)方法》2023年《礦井通風(fēng)阻力測定方法》MT/T440-1995MT/T440-1995(2023119重進(jìn)展礦井通風(fēng)阻力測定。、測定方法錄測定時(shí)間。承受基點(diǎn)法測定時(shí)兩測點(diǎn)間的通風(fēng)阻力計(jì)算公式為： V2 V2 1h PP (11 22) (

Z)Pa 〔1〕12 c1 式中：

2 2 2 1 2 1 2Pc，PcPRPR1 2 1 2的讀數(shù)，Pa；ρ，ρ——分別為測段前、后測點(diǎn)的空氣密度，Kg/m3；1 2V，Vm/s；1 2g——重力加速度，m/s2；Z，Zm。1 2、測定時(shí)間：、通風(fēng)阻力測定的預(yù)備工作風(fēng)設(shè)施和通風(fēng)狀況等。、圖紙資料格尺寸、礦井自然通風(fēng)等資料。依據(jù)有關(guān)圖紙和巷道布置繪出礦井風(fēng)網(wǎng)圖，風(fēng)網(wǎng)圖點(diǎn)同步進(jìn)展。、確定測點(diǎn)和選擇測定路線測點(diǎn)布置下測點(diǎn)要做出明顯的編號(hào)標(biāo)記。風(fēng)流穩(wěn)定的斷面內(nèi)。測定路線測定路線：車場——風(fēng)井測定路線及測點(diǎn)位置見圖2-1所示。、記錄表格據(jù)合有關(guān)狀況，應(yīng)預(yù)備以下記錄表格：基點(diǎn)氣壓變化記錄表井下測定記錄卡測點(diǎn)數(shù)據(jù)匯總表井巷規(guī)格表、儀表與用具一個(gè)測組的儀表與用具應(yīng)有：表2-1 測試儀器儀表名稱、型號(hào)及生產(chǎn)廠家儀表或用具名稱儀表或用具名稱型號(hào)數(shù)量生產(chǎn)廠家備注通風(fēng)多參數(shù)檢測儀JFY-42太原航空儀表高、中、微速風(fēng)表DFA-Ⅱ3鞍山光學(xué)儀表卷尺1零星用品；、參測人員組織分工高質(zhì)、高效完成測定工作。通常，參測人員可劃分4個(gè)小組，各組之間要明確分工、親熱合作。1～2每隔5分鐘測一次氣壓，認(rèn)真記錄；2～3讀數(shù)與攜帶；31～22包括組長1人負(fù)責(zé)指揮、調(diào)度全測組人員的活動(dòng)；向?qū)?人負(fù)責(zé)領(lǐng)路與找測點(diǎn)；測風(fēng)點(diǎn)的位置與編號(hào)以及其他需要記錄和注明的內(nèi)容。、通風(fēng)阻力測定的具體要求、JFY-4用探頭時(shí)要確保傳感器開口充分暴露并且定位槽指向溯流方向。、斷面和風(fēng)量測量5％時(shí)取平均值。準(zhǔn)是其主要緣由。對(duì)巷道斷面和周界承受下面公式計(jì)算：三心拱斷面：S=b(H-0.073b)m2

P4.1 s 〔2〕半圓拱斷面 S=b(H-0.11b)m2 梯形斷面 S=bH 周界：式中：H——巷道全高，m；b——巷道寬度，m。對(duì)于錨噴支護(hù)巷道的斷面其測量的準(zhǔn)確度與施工

P3.84ssP4.16ss

〔3〕〔4〕質(zhì)量有極大的關(guān)系，尤其是裸巷斷面更難測準(zhǔn)。 圖2-1測點(diǎn)四周巷道測風(fēng)位置、監(jiān)測地面氣壓變化化引起井下測點(diǎn)變化值的傳遞。2-22-3測通風(fēng)阻力時(shí)礦井通風(fēng)網(wǎng)絡(luò)圖810表2-2 地面大氣壓監(jiān)測數(shù)據(jù)表序號(hào)時(shí)間時(shí)：分大氣壓數(shù)據(jù)Pa序號(hào)時(shí)間時(shí)：分大氣壓數(shù)據(jù)Pa19：00967302410：559675029：05967402511：009675039：10967602611：059675049109674059：20967702811：159673069：25967702911：209673079：30967703011：259673089：35967703111：309672099：40967703211：3596720109：45967703311：4096710119：50967703411：4596710129：55967703511：50967001310：00967703611：55966901410：05967603712：00966801510：10967503812：0596680161010966701710：2096740401225967404112：20966601910：30967404212：25966502010：35967504312：30966502110：40967504412：35966402210：45967504512：40966302310：50967504612：4596620續(xù)表2-2 地面大氣壓監(jiān)測數(shù)據(jù)表序號(hào)時(shí)間時(shí)：分大氣壓數(shù)據(jù)Pa序號(hào)時(shí)間時(shí)：分大氣壓數(shù)據(jù)Pa4712：50966107014：45965304812：55966107114：50965204913：00966107214：55965205013：05966107315：00965105113：10966107415：0596510521310965105313：2096600761525966007715：20965005513：30965907815：25965005613：35965907915：30964905713：40965808015：35964905813：45965808115：40964805913：50965708215：45964806013：55965708315：50964806114：00965608415：55964706214：05965608516：00964706314：1096550641420965406614：25965406714：30965406814：35965406914：4096530表2-3 通風(fēng)阻力測定測點(diǎn)實(shí)測數(shù)據(jù)序 標(biāo) 氣壓計(jì)相對(duì) 溫節(jié)點(diǎn)高 讀數(shù) 濕度 度名稱號(hào) m Pa Rh% ℃

測點(diǎn) 寬 高 斷風(fēng)速 度 度 形 面m/s m m 式 m2下延采區(qū)338.598.3338.598.357.518.25.024.23.4半圓拱12.5122.0100.879154.144.23.4半圓拱12.5114.5100.879.314.91.053.83.1半圓拱10.4118.7100.885.814.85.844.93.3半圓拱14.2118.5100.881.715.13.884.23.3半圓拱12.1-249.0104.870.719.33.984.83.4半圓拱14.2-250.9104.878.118.23.414.43.2矩形14.1-250.7104.878.018.12.245.13.2矩形16.3-250.5104.879.218.16.984.43.2矩形14.2-250.4104.684.518.21.954.53.1半圓拱12.1-250.2104.685.518.32.244.53.1半圓拱12.2-246.7104.686.518.43.284.63.1半圓拱12.3-246.1103.784.222.56.93.22.7半圓拱7.6-386.2103.596.623.36.73.22.7半圓拱7.6-386.6105.784.220.71.224.22.8半圓拱10.31〔上〕風(fēng)井聯(lián)絡(luò)川4場付提絞車5道付提下車6場井底主運(yùn)7道310場〔1〕下延上車11場〔2〕下延上車12場〔3〕下延絞車13道〔1〕下延絞車14道〔2〕下延下車15場〔1〕續(xù)表2-3 通風(fēng)阻力測定測點(diǎn)實(shí)測數(shù)據(jù)序節(jié)點(diǎn)名稱號(hào)下延下車16場〔2〕下延皮帶17道

標(biāo) 氣壓計(jì)相對(duì) 溫高 讀數(shù) 濕度 度

測點(diǎn) 寬 高 斷風(fēng)速 度 度 形 面mPamPaRh%℃m/smmm2-390.1105.778.822.40.84.22.8半圓拱10.3-391.4105.984.821.13.073.82.5半圓拱8.4-424.6106.088.823.90.984.22.2梯形9.4-409.1105.989.824.62.244.22.2梯形9.4-411.7105.792.226.42.364.22.2梯形9.4-423.8105.793.626.62.403.82.5半圓拱8.2-423.4105.893.826.64.053.82.5半圓拱8.3-423.9105.892.425.15.124.22.8半圓拱10.2-423.6105.892.325.15.204.22.8半圓拱10.1-276.0103.882.523.27.84.22.8半圓拱10.2-243.6103.596.623.39.823.92.4半圓拱8.118 備面下巷備面下巷19〔2〕備面上巷〔1〕〔2〕下延回風(fēng)23道〔1〕下延回風(fēng)24道〔2〕下延回風(fēng)25道〔3〕26 風(fēng)道27立風(fēng)〔1〕-116.6103.398.623.4 9.90

4.9

19.628立風(fēng)〔2〕340.4 96.799.120.430.395.25.0 矩形 26.2東三采東三采區(qū)-250.9102.793.520.23.944.43.2矩形14.2-250.8102.686.120.81.374.22.8半圓拱10.3-246.2102.586.020.81.354.22.8半圓拱10.3暗井上車30場〔1〕暗井上車31場〔2〕續(xù)表2-3 通風(fēng)阻力測定測點(diǎn)實(shí)測數(shù)據(jù)節(jié)節(jié)點(diǎn)點(diǎn)名稱號(hào)

標(biāo)高m-245.

氣壓計(jì)相對(duì) 讀數(shù) 濕度 Pa Rh%

測點(diǎn) 寬 高 斷風(fēng)速 度 度 形 面m/s m m 式 m27-85.6101.987.220.21.453.87-85.6101.987.220.21.453.82.5半圓拱8.1-91.7100.895.619.81.284.22.8半圓拱10.1-93.2100.894.920.60.565.22.8半圓拱12.2-90.8100.894.020.10.816.12.8半圓拱14.2-87.6100.792.920.71.894.02.1梯形8.5-90.3100.79021.12.134.02.1梯形8.5-79.5100.589.620.92.223.82.5半圓拱8.1-92.8100.297.822.85.743.32.2半圓拱6.2-91.798.898.721.712.14.5圓形19.6304.496.799.120.430.45.25.0矩形26.2東一采區(qū)-248.9103.383.121.32.214.43.2矩形14.2-247.6103.383.121.24.064.43.2矩形14.3-245.7103.382.220.84.194.43.2矩形14.3-243.7103.472.6212.183.82.5半圓拱8.2道33暗井一路暗井下車34場機(jī)軌合一35巷東三機(jī)軌36合一巷371202381202東三回風(fēng)39道東三總回40風(fēng)立風(fēng)井41〔1〕立風(fēng)井42〔2〕東一主43〔1〕東一主44〔2〕東一主45〔3〕絞車道46〔1〕續(xù)表2-3 通風(fēng)阻力測定測點(diǎn)實(shí)測數(shù)據(jù)節(jié)節(jié)點(diǎn)點(diǎn)名稱號(hào)絞車道

標(biāo) 氣壓計(jì)相對(duì) 溫高 讀數(shù) 濕度 度m Pa Rh% ℃

測點(diǎn) 寬 高 斷風(fēng)速 度 度 形 面m/s m m 式 m247〔2〕48〔1〕49〔2〕50〔3〕51〔4〕52〔5〕

-244.3103.381.121.5 2.04 3.8 2.5 半圓拱 8.2-237.9102.883.323.52.22-237.9102.883.323.52.223.82.5半圓拱 8.2-156.2102.286.723.31.773.82.5半圓拱8.2-140.7102.089.125.21.823.82.5半圓拱8.1-130.2101.991.223.42.413.82.5半圓拱8.1-116.6101.789.223.91.963.82.5半圓拱8.2-113.2101.790.523.51.424.12.1梯形8.6-142.3101.889.925.11.34.12.1梯形8.6-93.1101.594.226.01.34.12.1梯形8.6-92.1101.796.824.66.664.22.8半圓拱10.1-131.9101.796.424.73.25.22.8半圓拱12.2-127.2101.795.624.83.45.22.8半圓拱12.2-128.1101.794.825.16.25.22.8半圓拱12.2-243.6101.399.123.111.684.9圓形19.6304.496.799.120.430.45.25.0矩形26.2541207551207560-9057〔1〕-9058〔2〕-9059〔3〕立風(fēng)井60〔1〕立風(fēng)井61〔2〕2.5、通風(fēng)阻力測定原始數(shù)據(jù)風(fēng)系統(tǒng)平面圖上確定了61個(gè)測點(diǎn)。通過以上充分預(yù)備，平崗煤礦于2023年8月209101022.6.2、兩測點(diǎn)間的通風(fēng)阻力計(jì)算公式見式〔1〕、測點(diǎn)四周各分支的通風(fēng)風(fēng)量計(jì)算公式2-1二次測風(fēng)，依據(jù)二次測風(fēng)結(jié)果確定巷道平均風(fēng)量。巷道平均風(fēng)量計(jì)算公式為：Q=SVm3/s (10)式中：S——巷道斷面積，m2；V——巷道平均風(fēng)速，m/s。是其主要緣由。對(duì)巷道斷面和周界承受式〔2、式3、式〔4〕計(jì)算。101.293kpa，20℃，1.2kg/m3Q： PQ Q 0.05138 Q

m3/s (11) 0 273.15t 00 dkpammHg0.3855；td、各巷道分支的風(fēng)阻計(jì)算公式如下：各巷道分支的風(fēng)阻：R h12 12

/Q212

(12)式中：h、Q——分別為分支巷道1、2之間的通風(fēng)阻力和風(fēng)量，計(jì)算公式見上，12 12

Pa、m3/s；14.7078213.415615.676814.4705815.6760815.6207914.7078213.415615.676814.4705815.6760815.6207916.7958215.6760814.4750814.5302614.5896811.4683311.46833始點(diǎn)風(fēng)速密度末點(diǎn)風(fēng)速密度斷面周界巷道名稱點(diǎn)m/skg/m3點(diǎn)m/skg/m3m2m1〔下延備用工作面〕風(fēng)井〔1〕15.021.1624.141.2112.5風(fēng)井〔2〕24.141.2131.051.2112.5聯(lián)絡(luò)川31.051.2145.841.2110.4付提上車場45.841.2153.881.2114.2付提絞車道53.881.2163.981.2412.1付提下車場63.981.2473.411.2414.2井底主運(yùn)道73.411.2482.241.2414.1382.241.2496.981.2416.3調(diào)度門前96.981.24101.951.2414.2〔1〕101.951.24112.241.2412.1〔2〕112.241.24122.121.2412.2〔3〕122.121.24131.91.2112.3〔1〕131.91.21143.01.207.616續(xù)表2-5 平崗煤礦通風(fēng)系統(tǒng)通風(fēng)阻力測定計(jì)算機(jī)數(shù)據(jù)處理結(jié)果巷道名稱始點(diǎn)點(diǎn)風(fēng)速m/s密度kg/m3末點(diǎn)點(diǎn)風(fēng)速m/s密度kg/m3斷面m2周界m〔2〕143.01.20242.31.247.613.35094〔1〕242.31.24230.51.2310.3 13.35094〔2〕230.51.23222.711.2410.3 11.46833下延皮帶道222.711.24291.941.238.4 12.75432備面下巷291.941.23372.241.239.4 12.75432〔2〕372.241.23312.361.229.4 12.75432備面上巷312.361.22332.851.229.4 11.91243回風(fēng)川〔1〕332.851.22323.621.228.2 〔2〕323.621.22273.011.228.3 〔1〕273.011.22263.811.2210.2 〔2〕263.811.22254.021.2110.1 〔3〕254.02 1.21345.21 1.20 10.2 11.83957風(fēng)道345.21 1.20608.61.20 8.1 18.41711立風(fēng)井〔1〕608.61.206530.391.14 19.6 21.29335172〔12022〔1202〕14.7078214.7078213.415615.6760814.4705815.6760815.6207916.7952815.6760815.6760813.35094〔2〕131.351.20611.561.2010.313.35094始點(diǎn)風(fēng)速密度末點(diǎn)風(fēng)速密度斷面周界巷道名稱點(diǎn)m/skg/m3點(diǎn)m/skg/m3m2m風(fēng)井〔上〕15.021.1624.141.2112.5風(fēng)井24.141.2131.051.2112.5聯(lián)絡(luò)川31.051.2145.841.2110.4付提上車場45.841.2153.881.2114.2付提絞車道53.881.2163.981.2412.1付提下車場63.981.2473.411.2414.2井底主運(yùn)道73.411.2482.241.2414.1382.241.2496.981.2416.3調(diào)度門前96.981.24103.941.2114.2測風(fēng)站103.941.21111.371.2114.2〔1〕121.371.21131.351.2010.318611.8395713.2206914.5302615.67608611.8395713.2206914.5302615.6760812.1283812.1283811.8395710.3583218.417113〔1207〕12.514.7078212.514.70782巷道名稱始點(diǎn)點(diǎn)風(fēng)速m/s密度kg/m3末點(diǎn)點(diǎn)風(fēng)速m/s密度kg/m3斷面m2周界m井絞車道 61 1.56 1.20 53 1.45 1.19 7.1 11.0846暗暗井一路531.4557571.281.198.1暗井下車場571.281.19560.561.1810.1機(jī)軌合一巷560.561.18300.811.1812.2東三機(jī)軌合一巷300.811.18201.891.1814.21202201.891.18232.131.188.51202232.131.18162.221.188.5東三回風(fēng)道162.221.18154.951.178.1東三總回風(fēng)154.951.173312.11.156.2立風(fēng)井〔1〕3312.11.15658.61.1419.6風(fēng)井〔上〕15.021.1624.141.21風(fēng)井24.141.2131.051.211910.413.415614.215.6760812.114.4705810.413.415614.215.6760812.114.4705814.215.6760814.115.6207916.316.7952814.215.6760814.215.6760814.215.6760814.315.7311814.315.731188.211.912438.28.211.9124311.91243始點(diǎn)風(fēng)速密度末點(diǎn)點(diǎn)風(fēng)速密度斷面周界巷道名稱點(diǎn)m/skg/m3m/skg/m3m2m聯(lián)絡(luò)川31.051.2145.841.21付提上車場45.841.2153.881.21付提絞車道53.881.2163.981.24付提下車場63.981.2473.411.24井底主運(yùn)道73.411.2482.241.24382.241.2496.981.24調(diào)度門前96.981.24103.941.21測風(fēng)站103.941.21112.211.21〔1〕112.211.2194.061.21〔2〕94.061.21104.191.21〔3〕104.191.21182.181.21絞車道〔1〕182.181.21192.041.21絞車道〔2〕192.041.21172.221.19皮帶道〔1〕172.221.19211.771.1920m11.9124311.83957m11.9124311.8395711.8395711.9124312.1995112.1995112.1995113.2206914.5302614.5302614.5302618.41711巷道名稱始點(diǎn)點(diǎn)風(fēng)速m/s密度kg/m3末點(diǎn)點(diǎn)風(fēng)速m/s密度kg/m3斷面m2皮帶道〔2〕211.771.19221.821.188.2皮帶道〔3〕221.821.18272.411.188.1皮帶道〔4〕272.411.18291.961.188.1皮帶道〔5〕291.961.18301.421.188.21207301.421.18311.31.188.61207311.31.18351.31.178.61207351.31.17343.51.188.60343.51.18373.21.1810.1-90〔1〕373.21.18383.41.1812.2-90〔2〕383.41.18396.21.1812.2-90〔3〕396.21.1826