潘家窑14号煤层开采设计.docx

1、摘 要本次设计是开采潘家窑煤矿14#煤层，设计图纸共4张，说明书共八章。根据矿井原始资料，计算出矿区面积为10566648m2，矿井的地质储量为51.53Mt，矿井的设计可采储量为44.92Mt。矿井设计工作制度为四六制，即三采一准。矿井生产能力为0.9Mt/a，服务年限为55年。根据煤层埋藏深度确定井田开拓方式为斜井开拓，只划分为单水平。整个矿井划分为4个盘区，主副斜井各一个，风井布置一个。该矿井可采煤层14#煤平均厚度为3.33米、容重为1.45t/m3，井型初步定位0.9Mt/a。据井田调查结果，该矿井为低瓦斯矿井。瓦斯涌出量1.16m3/t。采煤方法选为一次采全厚综采采煤方法，工作面长

2、150米，推进长度为1346米，采煤机型号MG250/600系列电牵引采煤机为型的双滚筒采煤机，工作面回采率为95%，采掘比为1:2。井下运输均采用皮带运输，实现连续运输出煤，矿井通风系统为中央并列式，通风方式为抽出.关键词：瓦斯；双滚筒采煤机；综采放顶煤AbstractThe design is the exploitation of coal minePanJiayao14 # coal seam, a total of seven design drawings, ten chapters Manual. Mining engineering in accordance with the

3、 needs and characteristics, underground transport and lifting equipment selection generally only do the calculation. According to raw data, an area of10.56square kilometers,geological reserves of 142.59Mt, recoverable reserves of51.53 Mt is calculated for mining. The designed working system for the

4、mine is 46 system, that is, three for production，one for preparation. Mine production capacity of 0.9Mt / a, length of service is 55 years. The deapth of coal buried underground decided that slope is adopted and the mine is divided into single-level only. The entire mine is divided into four mining

5、area, three subshafts are chosen ，providing two intakes one layout. The mine is located in Taiyuan coal seam, a total of two seams. The design is for 14 # coal seam , and their average thickness of 3.33 meters, the density of 1.45. Two seams is parting for 3.33 meters.Both seams are stable. Roof and

6、 floor conditions were better, easier to support. Well-type initial positioning 0.9M / a. According to the findings ,the mineis of low gas. Gas emission 1.16m3 / t. Tully-mechanized top-coal caving mining method selected as the integrated mining, 150 meters long face, and promote a length of 1346 me

7、ters, Shearer model MG250/600WD type double drum shearer, face extraction rate of 95%, the extraction ratio of 1: 2. Underground transport are the transport belt, the realization of a continuous transport of coal, Finally, the economic part of the cost of construction of the mine the initial budget,

8、 so that a more reasonable design specification. Key words: mine development, mining methods, mechanized mining.目 录1 井田概况及地质特征11.1井田概况11.1.1井田位置及范围11.1.2交通位置21.1.3水系21.1.4气象与地震31.1.5电源条件31.1.6水源条件31.2矿井建设的资源条件31.2.1构造31.2.2煤层41.3水文地质51.3.1矿井水文地质51.3.2矿井涌水量预测51.4煤层顶底板条件51.4.1煤层顶、底板岩性及力学性质51.4.2瓦斯、煤尘、

9、煤层自燃性及地温62 井田储量及服务年限72.1 矿井工业储量72.1.1储量计算方法72.1.2储量主要参数的确定72.2 矿井可采储量72.2.1矿井设计储量计算72.2.2矿井设计可采储量82.3 矿井设计生产能力及服务年限82.3.1 矿井的工作制度82.3.2矿井设计生产能力确定82.3.3同时生产的水平数目的确定82.3.4矿井及水平服务年限的计算93矿井开拓103.1 矿井开拓方式的确定103.1.1井田开拓方案103.1.2井田开拓方案的确定103.1.3. 工业场地的置103.2方案比较143.2.1.技术比较144 盘区巷道布置及装备174.1 带区巷道布置及生产系统174

10、.1.1带区数目和位置174.1.2.带区运煤、辅助运输、通风及排水系统(附图如下)174.2盘区生产能力及采出率184.2.1.采区生产能力184.2.2.准备掘进和端头生产能力194.2.3带区采出率195 大巷运输及设备的选择195.1采煤方法选择195.1.1工作面长度的确定205.1.2大巷运输方式的选择205.1.3辅助运输方式的选择215.1.4工作面运输方式215.1.5采煤机割煤方式215.1.6采煤机型号215.1.7采煤机进刀方式235.1.8拉移支架255.1.9工作面支护选型及顶板管理255.2工作面循环方式和循环作业图表的编制315.2.1工作面循环方式315.3回

11、采巷道布置325.3.1回采巷道布置方式325.3.2回采巷道支护方式355.3.3.端头支护及安全出口顶板管理:36 6 矿井通风及安全技术386.1 风量的计算386.2 矿井通风系统和风量分配426.2.1矿井通风系统426.2.2风量分配436.3 计算负压及等积孔446.3.1计算原则446.3.2计算方法456.4 选取扇风机496.4.1选择主扇506.4.2选择电动机516.4.3反风措施：516.5 安全生产技术措施516.5.1预防瓦斯爆炸的措施526.5.2预防煤尘爆炸的措施536.5.3预防火灾的措施536.5.4预防水灾的措施546.5.5预防顶板事故的措施546.5

12、.6煤及瓦斯突出的预防措施556.5.7避灾路线556.5.8矿山救护557 设计矿井基本技术指标55参考文献58致 谢591 井田概况及地质特征1.1井田概况1.1.1井田位置及范围山西煤炭运销集团潘家窑煤业有限责任公司位于位于大同市左云县城14km，马道头乡东段. 。北5km,行政区划隶属左云县马道头乡管辖,其地理坐标为:北纬39度530239 55 5521。东经：11246171125032西安80坐标系（国家6带）坐标拐点编号XY拐点编号XY14419959.4919653716.6384420260.4919656712.6424419976.4919654716.63944217

13、09.5019656688.6434418476.4819654741.64104421694.5019655780.6344418501.4919656241.64114422495.5019655767.6354418254.4919656996.65124422468.5019654174.6264419594.4919657563.65134421468.4919654189.6374420274.5019657552.64144421460.4919653691.62北京54坐标系（国家6带）坐标拐点编号XY拐点编号XY14420006196537888442030719656784

14、244200231965478894421756196567603441852319654813104421741196558524441854819656313114422542196558395441830119657068124422515196542466441964119657635134421515196542617442032119657624144421507196537631.1.2交通位置铁路：东距大同至乔村运煤专线12km，大（同）乔（村）线全长45 km，大同市枢纽站在South北通浦线、大秦线、太原至东、秦皇岛、济宁、湖北、大连和东大北京通过大同市北部交汇。公路：北距109国道大（同）左（云）公路段17 km，向东12 km可接大同至乔村矿区公路，该区有大(塘)-云(市)高速公路。交通十分便利。地形特征: 最高点位于井田东北边界的西侧,高海拔1835m,最低点位于井田南界,高1560m,最大相对高度差为27.5m。1.1.3水系 这一地区属于海河永定河系,艾达境内没有大峡谷。老毛窑沟、花园窑洞、牛斗沟、老马家沟。每条沟都是一个多雨的汛期沟沟,通常没有