Long-term storage method for lignite blocks
The invention discloses a long-term lignite block storage method which comprises the following steps: step 1, welding a DN100 carbon steel pipeline at a nitrogen tail end contact on a pipe gallery, mounting a valve at a transition point, extending nitrogen to be vertically led to the ground, and mou...
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| creator | GAO QUANLAI JIANG MINGXING ZHAO JIGANG XUE JIAO MA JUN QIAO LIANG WANG YUZHONG YU JIAN |
| description | The invention discloses a long-term lignite block storage method which comprises the following steps: step 1, welding a DN100 carbon steel pipeline at a nitrogen tail end contact on a pipe gallery, mounting a valve at a transition point, extending nitrogen to be vertically led to the ground, and mounting a guide shower before entering the ground; 2, a nitrogen main pipe made of DN100 carbon steel is laid on a shortcut of the coal yard, one gas connecting opening is designed to be reserved every 5-10 m and used for gas connecting of laying pipelines of the coal yard, and the interval is from east to west to the position 50 m away from a wind-shield wall on the west side of the coal yard; nitrogen is self-produced through air separation, is bridged to a coal yard through a pipeline, and is uniformly distributed at the bottom of a coal stack through nitrogen branch pipe holes, so that a nitrogen environment is formed in the coal stack, the tarpaulin covered on the coal stack is windproof, sun-proof and pulveriza |
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2, a nitrogen main pipe made of DN100 carbon steel is laid on a shortcut of the coal yard, one gas connecting opening is designed to be reserved every 5-10 m and used for gas connecting of laying pipelines of the coal yard, and the interval is from east to west to the position 50 m away from a wind-shield wall on the west side of the coal yard; nitrogen is self-produced through air separation, is bridged to a coal yard through a pipeline, and is uniformly distributed at the bottom of a coal stack through nitrogen branch pipe holes, so that a nitrogen environment is formed in the coal stack, the tarpaulin covered on the coal stack is windproof, sun-proof and pulveriza</description><language>chi ; eng</language><subject>BLASTING ; COMBUSTION APPARATUS ; COMBUSTION PROCESSES ; CONVEYING ; FEEDING FUEL TO COMBUSTION APPARATUS ; HANDLING THIN OR FILAMENTARY MATERIAL ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; PACKING ; PERFORMING OPERATIONS ; PNEUMATIC TUBE CONVEYORS ; SHOP CONVEYOR SYSTEMS ; 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2, a nitrogen main pipe made of DN100 carbon steel is laid on a shortcut of the coal yard, one gas connecting opening is designed to be reserved every 5-10 m and used for gas connecting of laying pipelines of the coal yard, and the interval is from east to west to the position 50 m away from a wind-shield wall on the west side of the coal yard; nitrogen is self-produced through air separation, is bridged to a coal yard through a pipeline, and is uniformly distributed at the bottom of a coal stack through nitrogen branch pipe holes, so that a nitrogen environment is formed in the coal stack, the tarpaulin covered on the coal stack is windproof, sun-proof and pulveriza</description><subject>BLASTING</subject><subject>COMBUSTION APPARATUS</subject><subject>COMBUSTION PROCESSES</subject><subject>CONVEYING</subject><subject>FEEDING FUEL TO COMBUSTION APPARATUS</subject><subject>HANDLING THIN OR FILAMENTARY MATERIAL</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>PACKING</subject><subject>PERFORMING OPERATIONS</subject><subject>PNEUMATIC TUBE CONVEYORS</subject><subject>SHOP CONVEYOR SYSTEMS</subject><subject>STORING</subject><subject>TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZND2yc9L1y1JLcpVKC7JL0pMT1XITS3JyE9RSMsvUsjJTM_LLElVSMrJT84u5mFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8c5-hoamhiYGJhbmjsbEqAEAVdYpTA</recordid><startdate>20221004</startdate><enddate>20221004</enddate><creator>GAO QUANLAI</creator><creator>JIANG MINGXING</creator><creator>ZHAO JIGANG</creator><creator>XUE JIAO</creator><creator>MA JUN</creator><creator>QIAO LIANG</creator><creator>WANG YUZHONG</creator><creator>YU JIAN</creator><scope>EVB</scope></search><sort><creationdate>20221004</creationdate><title>Long-term storage method for lignite blocks</title><author>GAO QUANLAI ; 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2, a nitrogen main pipe made of DN100 carbon steel is laid on a shortcut of the coal yard, one gas connecting opening is designed to be reserved every 5-10 m and used for gas connecting of laying pipelines of the coal yard, and the interval is from east to west to the position 50 m away from a wind-shield wall on the west side of the coal yard; nitrogen is self-produced through air separation, is bridged to a coal yard through a pipeline, and is uniformly distributed at the bottom of a coal stack through nitrogen branch pipe holes, so that a nitrogen environment is formed in the coal stack, the tarpaulin covered on the coal stack is windproof, sun-proof and pulveriza</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN115140487A |
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| subjects | BLASTING COMBUSTION APPARATUS COMBUSTION PROCESSES CONVEYING FEEDING FUEL TO COMBUSTION APPARATUS HANDLING THIN OR FILAMENTARY MATERIAL HEATING LIGHTING MECHANICAL ENGINEERING PACKING PERFORMING OPERATIONS PNEUMATIC TUBE CONVEYORS SHOP CONVEYOR SYSTEMS STORING TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING TRANSPORTING WEAPONS |
| title | Long-term storage method for lignite blocks |
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