薄煤层综采设备的研制及工艺参数优化外文翻译/中英文翻译/外文文献翻译

【外文文献】 1 The thin coal bed synthesis picks the equipment the development and the craft parameter optimization Mainly discussed the thin coal bed synthesis which Zaozhuang Mining industry Group Company independently developed to pick the equipment in Tian the Chen Kuang success application, and to its supplementary equipment technological transformations and the technical characteristic, the working surface geological condition, the synthesis picked the equipment the craft parameter optimization and the working surface working procedure reasonable match safeguard technology measure has carried on the thorough analysis and the introduction. Because the thin coal bed its mining space is narrow, the efficiency is low, the working surface condition is bad, machinery equipment not necessary or mining coal craft imperfect and so on technical questions, difficulty with realizes the mine pit highly effective and the safety in production. Zaozhuang Mining industry Group Company profits from the experience which my guozhong thick above coal bed synthesis picks, picked the supplementary equipment in the thin coal bed synthesis the development and the craft parameter optimization aspect has carried on the beneficial exploration.In October, 2003, ore 531 working surfaces equipped in its Tian the Chen has independently developed and the improvement three machines supplementary equipment, has obtained the tangible effect, realization maximum daily production 3504t, the average month produced 89636t, created the roller thin coal bed synthesis to pick the unit to yearly produce 1,000,000 ton new levels.Equips this working surface equipment fund investment is 1088.10 Yuan, the equipment does not invest into the equipment coal plow surface 1/10. First, the synthesis picks the three machines necessary and the technical characteristic (1) hydraulic pressure support According to the thin coal bed mining characteristic, uses the computer to carry on the movement analysis optimization and the intensity design to the support four link motion gears, satisfies the working condition, optimized the support structure: (1) support for the support shield type, has used the overall top-beam, two column supports has satisfied the big expansion and contraction request； (2) main structural element with the Q550 high strength structure steel plate manufacture, reduced the support weight.Front uses welds preheating, after welds the artificial aging welding craft, the guarantee structural element welding quality； (3) selects the great current capacity hydraulic pressure part, enhances the support the speed of response； (4) reasonable arrangement hydraulic circuit system, has enlarged the human, machine the space. Its development ZY2400/08/19 hydraulic pressure support technical characteristic is as follows: Two column support shield type, support 0.81.9m, support width 1.431.6m, center distance 1.5m, working resistance 2400kN, supports and protections intensity 0.410.46MPa, the adaptation inclination angle is not bigger than highly 35, opera ting mode for neighbour control, support weight 6500kg. (2) coal mining machine  Unifies thin coal bed mining the technical characteristic, has carried on the transformation to the coal mining machine following several aspects: (1) improvement design pump box, the solution gives off heat the question, satisfies the synthesis to pick the operation percentage high operating mode need；  (2) designs a group of tapering spindle rocking shaft specially, causes the drum circle diameter to reduce, increases the leaf blade altitude correspondingly, does an inside job the quantity request satisfiedly； (3) optimized drum design, increases the leaf blade spiral angle of climbing reasonably, the improvement coaling effect； (4) decreases the fuselage suitably highly (824mm), coal mining machine each big joint place has made the corresponding improvement. After the transformation coal mining machine MG200-BW2 technical characteristic is as follows: Picks high scope 1.02.0m, the adaptation inclination angle is not bigger than 35, the adaptation coefficient of hardness f3.5, drum diameter 800/1000mm, machine surface altitude 824mm, does an inside job measures 91mm, the hauling way for the non-chain hauling, biggest force of traction 250kN, hauling speed 06.14m/min, installing equipment power 200kW, voltage rank 660/1140V, machine gross weight 15t, machine total length 7858mm. (3) scraper conveyer Mainly has carried on the transformation to the scraper conveyer in following several aspects: (1) has used in the thin coal bed scraper conveyer the double strand transmission structure, loses the coal condition to be able to improve；   (2) home for the first time used middle the 22E trough section on the thin coal bed scraper conveyer, the complete machine rigidity, the intensity had enhances greatly； (3) reduces the nose, the airplane tail trough highly (is excessively 430mm), improved the coal mining machine to the nose, the airplane tail coal wall cutting condition；  (4) strengthened the shovel board, the cable tank frame, the hauling platoon has sold and so on place the joint structure. After the transformation scraper conveyer SGZ-630/220 technical characteristic is as follows: Completed length 170m, the transportation measures 450t/h, the installing equipment power 2110kW, scraper chain fast 1.07m/s, tight chain way for brake disc tight chain. Second, working surface geological condition  The development synthesis picks the equipment ore 531 working surfaces to apply for the first time in Tian the Chen, the working surface moves towards the long wall type arrangement, moves towards the length is 950m, the inclined length is 156m, coal bed thickness 0.43.0m, average 1.25m, coefficient of hardness f =2, the coal bed inclination angle 1015, average 13, reserves 283,400 t.Coal dust explosion index 31.  9%, is the strong explosive coal bed.The working surface has the mudstone false roof partially, thick 01.8m, soft easy to brave, its upside divides into the iron grey thin silicarenite, about its lower part lamination thick 1.5m for goes against directly, above for average thickness 33.5m, hard, the crevasse growth always goes against.The ledger wall partially has 0.10.4m charcoal mudstone, the direct bottom is the pessimistic siltstone, thick 2.6m, the ins and outs are the pessimistic novaculite, hard, the bedding is clear, thickness 16m. North 531 working surfaces are located five pick lower part the area, the track descends a mountain the left wing, ground table +45m, mine shaft elevation - 722m-768m, the geological condition is complex, tunneling period exposition fault 8, above in which 1.0m fault 4, the F6 reversed fault dropping variance is 4.0m, also has strip width 20m, extends the 220m wash zone along the trend to pass through the entire working surface. Third, working surface craft parameter optimization The working surface reasonable craft parameter determination, is the synthesis picks the supplementary equipment to realize the working surface high production foundation. (1) section of deep choice The overall evaluation coal mining machine power, the anthrax coefficient of hardness, coal bed thickness and pick high, the roof jointing growth situation, the support press forcing crisp coal factor definite truncation depth and so on wall depth, support supports and protections way.Through analyzes the working surface geological condition and the equipment necessary situation earnestly, the definite truncation depth is 0.6m.When roof jointing growth, cave-in of sides of a mine tunnel serious, each knife tries to break up a fight when carries on supports and protects in advance, enhances the circulation per unit area yield. (2) coal mining machine hauling speed  V determination (formula omitted) (3) supports and protections with moves a way Uses a neighbour operation, prompt supports and protections.In the mining coal machine cut from now on, first will move the support to support the roof, then will again move the conveyer.The union coal bed thickness grasping lengthening bar expands and contracts the scope, in order to and supports and protects the roof highly by the reasonable frame position.When roof situation permission, moves in turn and separates the frame to move to unify, guaranteed moves a speed to satisfy the coal mining machine coal cutting speed, realizes continuously the fast coal cutting need. (4) coal mining machine feed way Uses the MG200-BW2 coal mining machine to fall the coal, unidirectional mining coal, middle bevelling feed.The first drum shears goes against the coal, the latter drum shears the bottom coal, from notching. Fourth, working surface working procedure match safeguard measure The thin coal bed synthesis picks the working surface reasonable craft parameter the effective safeguard, mainly includes the working surface each transportation link the intercoordination and the over-load protection, the long distance communication direction, the working surface “three straight one even” and the geologic structure control measure, coal mine has used the home most advanced TK-200 communication control system for this Tian the Chen, strengthened the working surface production management, had guaranteed the working surface various working procedures best match, reduced the working surface failure rate large scale, enables the working surface operation percentage to achieve above 90%. (1) TK-200 communication control system application  (1) system composition The TK-200 communication control system by the TK110 working surface controller, the TK120 power source, the TJ100 mineral product electric current detector set, the TK130 micro telephone, the TK130C multi-purpose telephones, the TK150 intelligent terminal, the TK150E intelligence coupler and the TK130-X five core belt shield mineral product pulling force electric cable is composed. (2) system application effect  The TK-200 communication control system application, fully displays its communication control integration function, reduced the working surface equipment breakdown large scale, maximum limit has realized during various working procedures coordinated operation, raised a working surface man-hour of use factor enormously, had guaranteed powerfully the thin coal bed working surface high production is highly effective.Its application effect mainly manifests in: First, because the TK-200 communication control system has arranged 12 TK130 system telephone in the working surface, is equipped with the control bench on the electric train, between working surface all telephones and the control bench may converse on the telephone willfully, the control bench may realize the working surface all equipment common control, reduced the mechanical and electrical failure rate large scale. Second, because the working surface micro telephone can realize the working surface on all fronts to amplify along the route, therefore enormous place then personal servant party chief, the Leader Ban production control, changed the former personnel back and forth to move the direction, rocks the sending a letter number, the frontline propaganda relation way, strengthened between the working surface each production working procedure coordination and the unification, causes between various working procedures the close coordination, displays in fully the unit time the regular cycle operation validity, enhanced the working efficiency greatly. Third, because has used the common control and the working surface along the route block system, enables the working surface along the route operator only the engine off, cannot starting.If must starting, informs the control bench starting, the control bench when, must carry on the language to report to the police, and is equipped with the delay feature, avoided formerly being blind opens the vehicle to damage the electromechanical device or to create the security accident the phenomenon.If the working surface has the breakdown along the route, the operator may the rapid block system engine off, and informs all operating personnel, like this eliminates the accident in the embryonic stage, thus has guaranteed the safety in production. Fourth, TK-200 communication control system itself has provided the TJ100 electric current examination alarm device, can as necessary uninterrupted carry on the examination to the working surface electric current, once examines the operating current to surpass the setting value, then carries on reports to the police, then the operator may adjust the coal cutting speed and the reduced mining coal quantity promptly, avoided because of the pressure which overloaded creates reduction gear the accident phenomenon and so on sliding, burning the electrical machinery, damages occurrences, not only like this has facilitated the production, enhanced the efficiency, moreover reduced the material and the fitting consumption greatly. Fifth, Tian the Chen ore 531 working surface transportation lane arranges 3 belt conveyers and the slanting lane 1 scraper conveyer, transports the link to restrict the working surface operation percentage directly.After uses this system, through carefully calculates the most appropriate slanting lane scraper conveyer and the belt conveyer load, carried on to the working surface scraper conveyer operating current has reported to the police the hypothesis, thus reduced the slanting lane scraper conveyer and the belt conveyer overload and the time of idle running, not only saved the electrical energy, moreover enhanced the working surface operation percentage. (2) working surface geological condition compatibility control measure  Guarantees the working surface “straight three one even” is realizes the thin coal bed synthesis to pick the working surface regular production the effective method, when especially geologic structures and so on working surface fault or fold, the working surface equipment adapts the geological condition with difficulty, must strengthen the working surface production management, takes the effective control measure, reduces the equipment failure rate, enhances the working surface operation percentage. (1) guarantees the working surface “straight three one even” measure.  The working surface implements the back guy management； The working surface hand illumination lamps and lanterns make the frame of reference； Pushes when slides, guarantees goes against slides the hoisting jack the traveling schedule to meet the standard requirements； If the working surface appears partially time not the straight phenomenon, should move promptly or moves slides； Raises the staff operational level, the enhancement sense of responsibility. (2) working surface fault measure. Adjusts between the working surface and the fault the included angle； The coal mining machine coal cutting will be prompt from now on moves the frame, will manage the good roof； The working surface support carries on supports and protects in advance； Controls the working surface cycle to press； If the nose appears partial braves to go against time, must select promptly goes against protects goes against； The belt pressure scratches goes against moves the frame； The coal wall hits supposes the wooden anchor rod, guards against the cave-in of sides of a mine tunnel； When necessity, hangs the I-steel on the support to be throat Liang； The attention hangs Liang, prevented the support drills the bottom. (3) working surface fold measure.   The adjustment fold axial both sides slope, the government leader when is big to the both sides slope, suitably leaves a stub the coal, when the axial both sides slope is small, should the suitable broken bottom, guarantee the axial both sides slope to be gentle； Adjusts the support as necessary, prevented the support is crooked； Enhancement fold section working surface roof management. (4) prevented the scraper conveyer leaps up moves the measure. The coal mining machine driver, moves a labor, pushes sneaks off one's job should coordinate, to guarantee the working surface “straight closely three one even”； Controls the working surface top and bottom two lanes to push the progress； When the working surface support appears the incline, must square promptly； The working surface discovered when the scraper conveyer has the glide tendency, should fling the knife promptly or catch up with slides； Using the support side guard shield, adjusts the scraper conveyer, above the impediment leaps up glides down； The embedment sells or installs the hoisting jack, prevented the scraper conveyer leaps up moves； Selects the reasonable feed method, prevented on the scraper conveyer flees glides down. Fifth, conclusion (1) this set independently develops and the improvement synthesis picks the equipment the success application, has laid the solid foundation for the thin coal bed synthesis mechanization mining realization high and stable yield. Also equips this equipment fund aspect to invest is 1,088,000,000 Yuan, the equipment does not invest into the equipment coal plow working surface 1/10. (2) optimizes picks the craft parameter, strengthens the scene management, realization maximum daily production 3504t, the average month produces 89636t, created the roller thin coal bed synthesis to pick the unit to yearly produce 1,000,000 ton new levels.  (3) applied the thin coal to pick the synthesis to pick the working surface working procedure reasonable match the safeguard technology measure, has realized the working surface equipment common control, strengthened the production management, the breakdown diagnosis and the accident platoon looks up.Had guaranteed the working surface various working procedures best match, enhanced the working surface operation percentage. 【中文翻译】 1 薄煤层 综采设备的研制及工艺参数优化   主要探讨了枣庄矿业集团公司自行研制的薄煤层综采设备在田陈矿的成功应用，并对其配套设备的技术改造及技术特征、工作面地质条件、综采设备的工艺参数优化及工作面工序合理匹配的保障技术措施进行了深入分析与介绍。  薄煤层由于其开采空间狭窄，效率低，工作面条件差，机械装备不配套或采煤工艺不完善等技术问题，难于实现矿井的高效与安全生产。  枣庄矿业集团公司借鉴我国中厚以上煤层综采的经验，在薄煤层综采配套设备的研制及工艺参数优化方面进行了有益的探索。于 2003 年 10 月，在其田陈矿 531 工作面装备 了自行研制与改进的三机配套设备，取得了明显效果，实现最高日产 3504t，平均月产 89636t，创出了滚筒式薄煤层综采机组年产百万吨的新水平。装备此工作面设备资金投入为 1088.00 万元，设备投入不到装备刨煤机面的十分之一。  一、 综采三机配套及技术特征  (一 )液压支架  根据薄煤层开采的特点，采用计算机对支架四连杆机构进行运动分析寻优与强度设计，满足工作条件，优化了支架结构：  （ 1）支架为支撑掩护式，采用了整体顶梁，二柱支撑满足了大伸缩的要求；   （ 2）主要结构件用 Q550 高强度结构钢板制作，减轻了支架重量。采 用焊前预热，焊后人工时效的焊接工艺，保证结构件焊接质量；  （ 3）选用大流量液压元件，提高支架的响应速度；  （ 4）合理布置液压管路系统，加大了人、机空间。  其研制的 ZY2400/08/19 液压支架的技术特征如下：两柱支撑掩护式，支撑高度 0.8 1.9m，支架宽度 1.43 1.6m，中心距 1.5m，工作阻力 2400kN，支护强度 0.41 0.46MPa，适应倾角不大于 35 ，操作方式为邻架控制，支架重量6500kg。  (二 )采煤机  结合薄煤层开采的技术特点，对采煤机以下几个方面进行了改造：  （ 1）改进设计泵箱， 解决发热问题，以满足综采开机率高的工况需要；   （ 2）专门设计一组锥形轴摇臂，使滚筒圈直径减小，相应增大叶片高度，满足卧底量要求；  （ 3）优化滚筒设计，合理增大叶片螺旋升角，改善装煤效果；  （ 4）适当减低机身高度 (824mm)，采煤机各大联结处作了相应的改进。  改造后的采煤机 MG200-BW2 的技术特征如下：采高范围 1.0 2.0m，适应倾角不大于 35 ，适应硬度系数 f3 .5，滚筒直径 800/1000mm，机面高度 824mm，卧底量 91mm，牵引方式为无链牵引，最大牵引力 250kN，牵引速度 0 6.14m/min，装机功率 200kW，电压等级 660/1140V，机器总重 15t，机器总长 7858mm。  (三 )刮板输送机  对刮板输送机主要在以下几个方面进行了改造：  （ 1）采用了薄煤层刮板输送机中双链传动结构，输煤条件得以改善；   （ 2）国内首次在薄煤层刮板输送机上采用了 22E 型中部槽型钢，整机刚性、强度有较大提高；  （ 3）降低机头、机尾过度槽高度（为 430mm），改善了采煤机对机头、机尾煤壁的截割条件；   （ 4）加强了铲板、电缆槽架、牵引排销等处的联接结构。  改造后的刮板输送机 SGZ-630/220 的技术特征如 下：出厂长度 170m，输送量 450t/h，装机功率 2110kW ，刮板链速 1.07m/s，紧链方式为闸盘紧链。  二、 工作面地质条件   研制的综采设备在田陈矿 531 工作面首次应用，工作面走向长壁式布置，走向长度为 950m，倾斜长度为 156m，煤层厚度 0.4 3.0m，平均 1.25m，硬度系数 f =2，煤层倾角 10 5 ，平均 13 ，储量 28.34 万 t。煤尘爆炸指数31.  9%，属强爆炸性煤层。工作面局部有泥岩伪顶，厚 0 1.8m，松软易冒，其上部分为灰白色细石英砂岩，其下部分层厚 1.5m 左右为直接顶，其 上为平均厚度 33.5m、坚硬、裂隙发育的老顶。底板局部有一层 0.1 0.4m 的炭质泥岩，直接底为灰色粉砂岩，厚 2.6m，老底为灰色细砂岩，坚硬，层理清晰，厚度 16m。  531 工作面位于北五采区下部，轨道下山的左翼，地面标高 +45m，井下标高-722m -768m，  地质条件复杂，掘进期间揭露断层 8 条，其中 1.0m 以上断层4 条， F6 逆断层落差为 4.0m，且有一条宽 20m、沿走向延伸 220m 的冲刷带贯穿全工作面。  三、 工作面工艺参数优化   工作面合理工艺参数的确定，是综采配套设备实现工作面高产的基础。  (一 )截 深的选择  综合考虑采煤机功率、煤质硬度系数、煤层厚度及采高、顶板节理发育情况、支撑压力压酥煤壁深度、支架支护方式等因素来确定截深。通过认真分析工作面地质条件和设备配套情况，确定截深为 0.6m。当顶板节理发育、片帮严重时，每刀拉架时进行超前支护，以提高循环单产。  (二 )采煤机牵引速度 的确定（公式略）   (三 )支护与移架方式   采用邻架操作，及时支护。在采煤机割过后，先移支架撑住顶板，然后再移输送机。结合煤层厚度掌握加长杆伸缩范围，以便以合理架位及高度支护顶板。当顶板情况允许时，顺序移架与隔架移架相结合， 保证移架速度满足采煤机割煤速度，以实现连续快速割煤的需要。  (四 )采煤机进刀方式   采用 MG200-BW2 采煤机落煤，单向采煤，中部斜切进刀。前滚筒割顶煤，后滚筒割底煤，自开缺口。  四、 工作面工序匹配的保障措施   薄煤层综采工作面合理工艺