1、Leaders: provincial agricultural work Conference held in XX, which is our concern and love, will greatly promote XX agricultural and rural economic development. First of all, I am representing XX municipal party Committee and Government, extend a warm welcome to the attending leaders! XX has been gi
2、ven support and assistance to the province of agriculture, provincial agricultural Office, and expressed heartfelt thanks to all the friends! below, I XX with a brief report. A basic XX of XX municipality located (cities, omitted). One is the superior ecological environment. XX blue, clear, green, w
3、ater, air, 70% of land in the territory is covered with forests, grasslands, wetlands and waters, built 7 thousands of square kilometers of the total area of nature reserves. Within major industrial pollution sources, air quality at the national level, national levels, water quality, soil pollution,
4、 “pure land“ reputation, was heralded by the United Nations environmental officials “the most suitable place for human survival.“ Second, the enrichment of natural resources. A total area of more than 5 million mu of arable land (which owned 1.53 million acres), the annual grain output of more than
5、2 million tons and is located in the internationally recognized gold “cattle“, there should be more than 400,000 acres of grazing grassland, developing animal husbandry conditions; a total area of 4.1 million acres of forest land, rich in precious wood such as pine, ash, yellow pineapple, standing t
6、imber volume of more than 26 million cubic meters. Forest Xia has hundreds of species precious wildlife, more than 200 more species precious herbs, annual Super thousand tons of wild mushroom and reserves Super 100,000 tons of mountain dish; nectar plant throughout, can bee 100,000 group, is China “
7、bee of Xiang“, and national Northeast black bee reserves and important of bee products production base; can using water 2.5 billion cubic metres, should be fishing water 460,000 acres, rich big salmon, and “three spent five Luo“, North cold water specialty fish; found and proved reserves of mineral
8、resources has 36 species. Third, geopolitical advantages. XX open midpoint is located in the eastern part of the province along the border, 264 km long border, with national road passenger and freight transport port, built on the border between China and Russia has the largest permanent boundary Riv
9、er Bridge, running at full capacity the annual cargo capacity of up to 2.6 million tons. Russia two (HABA and Marina), two cities (Iman and Lesozavodsk) is the Russian Far East in developed areas. Lesozavodsk is only 8 km from XX port corresponding to the port of markovo, Lu Rinuo station is one of
10、three railway marshalling yards in the far East, the far East-Siberian railway and a parallel road runs through the pass. By rail and road, to the North by HABA capital Khabarovsk, the Russian hinterland, radiation in the CIS and Eastern European countries; to the South through the port of Vladivost
11、ok and the nahuo card on the sea, to reach South Korea, Japan and other Pacific Rim countries and regions. Four is rich in tourism resources. XX tourist resources types, many attractions, beautiful scenery of the Sino-Russian border-river-wusuli River, a famous treasure island, known as the “Orienta
12、l Maginot line“ of the Japanese invading army Tiger underground fortress ruins, General Chi某 LPG 地下储库工程独头通风设计与管理周生喜 郭得福摘要： LPG 工程在国外应用较广泛，在国内尚属于新型工程。本文对国内某 LPG 地下储库工程多工作面、多条巷道相互连通情况下的独头通风从通风设计、管理方面进行了论述，解决了施工中通风的难题，具有一定的参考价值。关键词：LPG 洞库 通风 设计 管理1、工程概况某 LPG 地下储库工程采用地下水封岩洞储存 LPG（液化石油气） 。主要包括 LPG洞库、丙烷洞库
13、、气体接收设施、汽车装车设施及公用工程和辅助设施。LPG 洞库位于地下-90m 以下的岩体中，容积为 35104m3；丙烷洞库位于地下-130m 以下的岩体中，容积为 15104m3，见硐库示意图一图一 硐库示意图Leaders: provincial agricultural work Conference held in XX, which is our concern and love, will greatly promote XX agricultural and rural economic development. First of all, I am representing
14、XX municipal party Committee and Government, extend a warm welcome to the attending leaders! XX has been given support and assistance to the province of agriculture, provincial agricultural Office, and expressed heartfelt thanks to all the friends! below, I XX with a brief report. A basic XX of XX m
15、unicipality located (cities, omitted). One is the superior ecological environment. XX blue, clear, green, water, air, 70% of land in the territory is covered with forests, grasslands, wetlands and waters, built 7 thousands of square kilometers of the total area of nature reserves. Within major indus
16、trial pollution sources, air quality at the national level, national levels, water quality, soil pollution, “pure land“ reputation, was heralded by the United Nations environmental officials “the most suitable place for human survival.“ Second, the enrichment of natural resources. A total area of mo
17、re than 5 million mu of arable land (which owned 1.53 million acres), the annual grain output of more than 2 million tons and is located in the internationally recognized gold “cattle“, there should be more than 400,000 acres of grazing grassland, developing animal husbandry conditions; a total area
18、 of 4.1 million acres of forest land, rich in precious wood such as pine, ash, yellow pineapple, standing timber volume of more than 26 million cubic meters. Forest Xia has hundreds of species precious wildlife, more than 200 more species precious herbs, annual Super thousand tons of wild mushroom a
19、nd reserves Super 100,000 tons of mountain dish; nectar plant throughout, can bee 100,000 group, is China “bee of Xiang“, and national Northeast black bee reserves and important of bee products production base; can using water 2.5 billion cubic metres, should be fishing water 460,000 acres, rich big
20、 salmon, and “three spent five Luo“, North cold water specialty fish; found and proved reserves of mineral resources has 36 species. Third, geopolitical advantages. XX open midpoint is located in the eastern part of the province along the border, 264 km long border, with national road passenger and
21、freight transport port, built on the border between China and Russia has the largest permanent boundary River Bridge, running at full capacity the annual cargo capacity of up to 2.6 million tons. Russia two (HABA and Marina), two cities (Iman and Lesozavodsk) is the Russian Far East in developed are
22、as. Lesozavodsk is only 8 km from XX port corresponding to the port of markovo, Lu Rinuo station is one of three railway marshalling yards in the far East, the far East-Siberian railway and a parallel road runs through the pass. By rail and road, to the North by HABA capital Khabarovsk, the Russian
23、hinterland, radiation in the CIS and Eastern European countries; to the South through the port of Vladivostok and the nahuo card on the sea, to reach South Korea, Japan and other Pacific Rim countries and regions. Four is rich in tourism resources. XX tourist resources types, many attractions, beaut
24、iful scenery of the Sino-Russian border-river-wusuli River, a famous treasure island, known as the “Oriental Maginot line“ of the Japanese invading army Tiger underground fortress ruins, General Chi2表一 各硐室主要结构尺寸项目名称 尺寸 (宽高 m) 面积（m 2） 长度（m）交通巷道 87 49.1 1351水幕巷道 66 32.1 1194LPG 1826 393.1 937主洞库丙烷 182
25、6 393.1 369LPG 4.0 13.85 142作业竖井丙烷 4.0 13.85 101采用钻爆法施工。交通巷道、水幕巷道、主硐库采用三臂液压凿岩台车钻孔，装 碴与运输均采用内燃机械，初支喷砼采用机械手式湿喷机，2、通风原理本工程的特点是大断面、高污染、多工作面、多条巷道互相连通、结构复杂，这种 硐室最佳的通风方式为采用多个通风竖井辅助通风，但从硐库的密封性、投资等因素考虑，仍设计为独头压入式通风，这就增加了通风的难度。硐室施工采用无轨内燃机械运输，要想达到快速施工，需从增加作业面的新鲜空气量和降低洞内粉尘污染两方面着手。增加新鲜空气又从采用先进的大功率通风机、管路损失小的优质通风管和
26、精细的通风管理三方面着手；降低洞内粉尘污染的措施主要有抑制爆破粉尘的扩散和控制装碴粉尘的污染。3、国内通风设计采用的劳动卫生标准根据我国铁路、厂矿、企业及有关劳动卫生标准的规定，隧道内施工作业段的空气必须符合下列卫生标准： 一氧化碳最高允许浓度 30mg/m3。二氧化碳不得大于 0.5%（按体积计）。氮氧化物为 5mg/m3 以下。洞内最高平均温度不大于 28。噪音不得大于 90dB（A）。Leaders: provincial agricultural work Conference held in XX, which is our concern and love, will greatl
27、y promote XX agricultural and rural economic development. First of all, I am representing XX municipal party Committee and Government, extend a warm welcome to the attending leaders! XX has been given support and assistance to the province of agriculture, provincial agricultural Office, and expresse
28、d heartfelt thanks to all the friends! below, I XX with a brief report. A basic XX of XX municipality located (cities, omitted). One is the superior ecological environment. XX blue, clear, green, water, air, 70% of land in the territory is covered with forests, grasslands, wetlands and waters, built
29、 7 thousands of square kilometers of the total area of nature reserves. Within major industrial pollution sources, air quality at the national level, national levels, water quality, soil pollution, “pure land“ reputation, was heralded by the United Nations environmental officials “the most suitable
30、place for human survival.“ Second, the enrichment of natural resources. A total area of more than 5 million mu of arable land (which owned 1.53 million acres), the annual grain output of more than 2 million tons and is located in the internationally recognized gold “cattle“, there should be more tha
31、n 400,000 acres of grazing grassland, developing animal husbandry conditions; a total area of 4.1 million acres of forest land, rich in precious wood such as pine, ash, yellow pineapple, standing timber volume of more than 26 million cubic meters. Forest Xia has hundreds of species precious wildlife
32、, more than 200 more species precious herbs, annual Super thousand tons of wild mushroom and reserves Super 100,000 tons of mountain dish; nectar plant throughout, can bee 100,000 group, is China “bee of Xiang“, and national Northeast black bee reserves and important of bee products production base;
33、 can using water 2.5 billion cubic metres, should be fishing water 460,000 acres, rich big salmon, and “three spent five Luo“, North cold water specialty fish; found and proved reserves of mineral resources has 36 species. Third, geopolitical advantages. XX open midpoint is located in the eastern pa
34、rt of the province along the border, 264 km long border, with national road passenger and freight transport port, built on the border between China and Russia has the largest permanent boundary River Bridge, running at full capacity the annual cargo capacity of up to 2.6 million tons. Russia two (HA
35、BA and Marina), two cities (Iman and Lesozavodsk) is the Russian Far East in developed areas. Lesozavodsk is only 8 km from XX port corresponding to the port of markovo, Lu Rinuo station is one of three railway marshalling yards in the far East, the far East-Siberian railway and a parallel road runs
36、 through the pass. By rail and road, to the North by HABA capital Khabarovsk, the Russian hinterland, radiation in the CIS and Eastern European countries; to the South through the port of Vladivostok and the nahuo card on the sea, to reach South Korea, Japan and other Pacific Rim countries and regio
37、ns. Four is rich in tourism resources. XX tourist resources types, many attractions, beautiful scenery of the Sino-Russian border-river-wusuli River, a famous treasure island, known as the “Oriental Maginot line“ of the Japanese invading army Tiger underground fortress ruins, General Chi3洞内最小排尘风速不得小
38、于 0.25m/s。粉尘浓 度小于 2mg/m3（含有 10%以上游离 SiO2 的粉尘）,水泥尘小于 6mg/m3 （含有 10%以下游离 SiO2 水泥粉尘）。瓦斯 浓度小于 1%。4、通风方案4.1、风量计算4.1.1、一个工作面运碴车辆数计算运碴车辆数与装碴时间、车辆行走速度、硐室长度等有关。计算可以采用公路隧道运营通风交通量来推算。N=2(S1/V1)/Tz+1N -运碴车辆台数；S1-平均隧道掘进长度；V1-运碴车辆洞内行走速度；Tz-平均装 碴时间。表二 各巷道运碴车辆数按照施工计划的 6 个阶段，各作业面在同时放炮、同时出碴时洞内的空气质量最差，也是需风量最大的时候。按最大需风
39、量时 6 个施工阶段分别投入的车辆数为 5 台（4 台汽车+1 台装载机）、8 台（6 台汽车+2 台装载机）、12 台（ 9 台汽车+3 台装载机）、 20 台（16 台汽车+4 台装载机）、 21 台工 况 平均装碴时 间 (min) 行走速度 (Km/h) 平均隧道掘进 长度 S1(m) 洞内运碴车辆 台数(辆)交通巷道 15 2.3 500 3LPG 水幕巷道 20 3 600 3丙烷水幕巷道 20 2.5 1000 4LPG 洞库 10 2.5 800 5丙烷洞库 10 2.5 1100 7Leaders: provincial agricultural work Conferenc
40、e held in XX, which is our concern and love, will greatly promote XX agricultural and rural economic development. First of all, I am representing XX municipal party Committee and Government, extend a warm welcome to the attending leaders! XX has been given support and assistance to the province of a
41、griculture, provincial agricultural Office, and expressed heartfelt thanks to all the friends! below, I XX with a brief report. A basic XX of XX municipality located (cities, omitted). One is the superior ecological environment. XX blue, clear, green, water, air, 70% of land in the territory is cove
42、red with forests, grasslands, wetlands and waters, built 7 thousands of square kilometers of the total area of nature reserves. Within major industrial pollution sources, air quality at the national level, national levels, water quality, soil pollution, “pure land“ reputation, was heralded by the Un
43、ited Nations environmental officials “the most suitable place for human survival.“ Second, the enrichment of natural resources. A total area of more than 5 million mu of arable land (which owned 1.53 million acres), the annual grain output of more than 2 million tons and is located in the internatio
44、nally recognized gold “cattle“, there should be more than 400,000 acres of grazing grassland, developing animal husbandry conditions; a total area of 4.1 million acres of forest land, rich in precious wood such as pine, ash, yellow pineapple, standing timber volume of more than 26 million cubic mete
45、rs. Forest Xia has hundreds of species precious wildlife, more than 200 more species precious herbs, annual Super thousand tons of wild mushroom and reserves Super 100,000 tons of mountain dish; nectar plant throughout, can bee 100,000 group, is China “bee of Xiang“, and national Northeast black bee
46、 reserves and important of bee products production base; can using water 2.5 billion cubic metres, should be fishing water 460,000 acres, rich big salmon, and “three spent five Luo“, North cold water specialty fish; found and proved reserves of mineral resources has 36 species. Third, geopolitical a
47、dvantages. XX open midpoint is located in the eastern part of the province along the border, 264 km long border, with national road passenger and freight transport port, built on the border between China and Russia has the largest permanent boundary River Bridge, running at full capacity the annual
48、cargo capacity of up to 2.6 million tons. Russia two (HABA and Marina), two cities (Iman and Lesozavodsk) is the Russian Far East in developed areas. Lesozavodsk is only 8 km from XX port corresponding to the port of markovo, Lu Rinuo station is one of three railway marshalling yards in the far East
49、, the far East-Siberian railway and a parallel road runs through the pass. By rail and road, to the North by HABA capital Khabarovsk, the Russian hinterland, radiation in the CIS and Eastern European countries; to the South through the port of Vladivostok and the nahuo card on the sea, to reach South Korea, Japan and other Pacific Rim countries and regions. Four is rich in tourism resources. XX tourist resources types, many attractions, beautiful scenery of the Sino-Russian border-river-wusuli River, a famous treasure island, known as the “Ori
