piping type for dewatering from coal mine

Coal log pipeline system and method of operation

Aug 07, 1990Coal log crushers 22, coal pulverizers 23, and water storage systems 24 are optional features. The coal log fabrication unit 12, in the present embodiment, may be located near a coal mine. The coal is crushed to crushed coal 32 a predetermined size for fabrication of coal logs 34 which are transported through the pipeline 16.

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1.1 PHASES OF A MINING PROJECT

of water (a process called 'hydraulic mining') are used to extract the ore. Placer mining is usually aimed at removing gold from stream sediments and floodplains. Because placer mining often occurs within a streambed, it is an environmentally-destructive type of mining, releasing large quantities of

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Mine Dewatering

mine in northern Ontario contacted Aquatech in search of an emergency mine dewatering system to fight off a prospective site flood. Aquatech took immediate action, designing a dewatering system that would pump at three separate locations throughout the mine using the client's HDPE pipe-lines. The system designs were quick-

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Filter press

An industrial filter press is a tool used in separation processes, specifically to separate solids and liquids.The process uses the principle of pressure drive, [clarification needed] as provided by a slurry pump.Among other uses, filter presses are utilized in marble factories in order to separate water from mud in order to reuse the water during the marble cutting process.

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Dewatering Drilling Services for high

Boart Longyear Drilling Services operates the exclusive LR™90H Horizontal Drilling Rig for mine dewatering. This FOPS Level II certified rig drills a hole at a 5-degree angle for self-draining dewatering – directly against a high-wall face for the best productivity.

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Pipe Conveyor, Pipe Conveyor System, Pipe Belt Conveyor

Pipe conveyor is an important bulk material conveying equipment, widely used in mining, coal, cement,Metallurgical and other industries. Playing an important role in industrial production and bulk transportation. Pipe conveyor is a kind of special belt conveyor which developed on the basis of traditional belt conveyor.

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Mine back filling with ash slurry at TTPS.

Ash pipe laid along the coal conveyor with in limited space, very difficult to carry out maintenance work. Due to space constraint the lines are laid in earth in many places. These lines are going through villages on the way to mines hence little pipe failure are leading to pollution issues and very difficult to resolve.

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Mine dewatering pumps

Mine dewatering pumps can be used as main drainage pump when being installed in mine. Because of submersible motor installed inside, it can also be used as rescue and emergency pump. Two kinds of pumps can be used as mine dewatering pumps. One is bottom suction submersible pump, mainly used along with protection tube under water.

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Coal waste management practices in the USA: an overview

Oct 11, 2014These are based on visits to both underground and surface coal mining facilities to survey the coal waste management practices as well as based on a review of their mine permits. These visits were made to observe mining, processing, and coarse/fine coal processing coal waste disposal operations and water management at the sites.

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FGD gypsum dewatering

Consequently, he too has been using this belt type in various vacuum belt filters for FGD gypsum dewatering since 2009 already: in the Rheinhafen-Dampfkraftwerk Karlsruhe, Datteln 4 and Maasvlakte (Netherlands) mineral coal power stations and in the Belchatov (Poland), Turcini (Romania) and Maritza II (Bulgaria) brown coal power stations.

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TRKİYE 8. KMR KONGRESİ BİLDİRİLER KİTABI /

on the depth and width of the mine. Dry installed, clean-water pumps continue to dominate the main pumping stations. In spite of this, in recent years more powerful submersible pumps have come on the market. This paper will cover all the various major applications of pumps within a mine. The explosion-proof pumps for the coal mining is covered as well.

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training.gov.au

Unit Descriptor. This unit covers the conduct of dewatering operations in underground coal and metalliferous mining operations. It includes: the planning and preparing for dewatering activities; installing, operating and recovering dewatering equipment; and carrying out operator maintenance.

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FEASIBILITY STUDY OF THE VERTICAL TRANSPORT OF COAL

2.2.1 Types of Systems ., 2.2.2 Power Requirements . 2.3 Transporting Media . 2.4 Characteristics of Solids Being Transported . 2.5 Pipe Requirements, . CONVENTIONAL HOISTING OF COAL 3.1 Types of Mine Entries and Their Relative Use in Pennsylvania .. . 3.2 Conveying Methods and Costs ..

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Comparison of Designs for the Dewatering of Coal, Gold and

rainy season. Mine dewatering is done through the use of sump pumps located in the lowest point of the pit, but preferably off the contact zone with country rock or regional lineaments that could be water bearing. Plates 1, 2, 3 and 4 are of sump pumping from Grootgeluk coal mine in the North West of South Africa. Plate 1 Plate 2

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Mine Water Management Overview Report

For the purpose of this report, the term 'mine' water is adopted from the contemporary definition of 'mine affected water' as documented in the EHP (2013) Model Water Conditions for Coal Mines in the Fitzroy Basin. This adopted definition of mine water is: • Pit water, tailings dam water, processing plant water.

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coal mining dewatering scheme pdf

3.0 Existing Mine Water Management System - Ulan Coal systems, water storages, the Bobadeen Irrigation Scheme, a water treatment facility divert clean water around mining operations to prevent the contamination by .. water storage and will require dewatering to allow for the construction of two

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Underground Mining Transportation Systems

mining operation, and we must take into account the number of possible steps from the extraction site (stope/face) to the shaft or ramp portal. The total system has been established - as a combination of various types of equipment - such that it is most applicable to the ore deposits being mined, the mining methods employed and the mine layout. 1.

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Handbook for Methane Control in Mining

Other coal mine chapters deal with methane emission forecasting and predicting the excess gas from troublesome geologic features like faults. Additional coal chapters contain methane controls for shaft sinking and shaft filling, for surface highwall mines, and for coal storage silos. Major coal mine explosion disasters have always involved the

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Dewatering in Open Pit Mining: Concern or Benefit? Coal

Jun 24, 2008Mine dewatering is usually undertaken for a variety of geo-technical (material strength considerations), mining and safety reasons: Geo-technical Issues • Increased material strength; • Reduction in seepage forces; • Decreased hydrostatic pressure; • Reduce chance of piping failure; • Increased wall and bench stability;

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ASTM D7780

1. Scope. 1.1 This practice defines a set of terms, procedures, and data required to define the accurate location and description of geospatial data for surface coal mining operations (CMO), underground coal mining extents, land reclamation and performance bond statuses, lands unsuitable for mining petitions (LUMP) and designated areas, coal spoil and refuse features, coal preparation plants

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Dewatering: a vital part of mining?

Mar 21, 2017Dewatering: a vital part of mining? - Weir Minerals The answer to this question – of course! As mining works get deeper to provide access to ever diminishing supplies of minerals, mine dewatering is more in demand and the need to provide individual solutions to meet the unique operating characteristics of mines is greater.

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Mine dewatering techniques

Nov 23, 2013Underground Mine Dewatering Techniques • Shaft sinking for underground mines presents certain challenges: • • • Great depth (which makes pumping more challenging) Limited space and complex working sequence of shaft sinking and lining May pass through multiple aquifers • Common to use groundwater exclusion • • Cementitious grouting (cover grouting) Artificial ground freezing •

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Coal Slurry Pumps

Description: cast or ductile iron Heavy duty bearing frame construction with double angular contact thrust bearing. Oil or grease lubricated Benefits Mine dewatering Coal production Sand pumping Gravel transport Manure slurry Aggregate Tailings Oil sands Discharge Size: 4 to 8 inch; Maximum Discharge Flow: 9000 GPM

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Weir Minerals's Essack on end

From dewatering to transport, disposal, and the conversion of tailings into a resource, we can provide customers with an end-to-end tailings and pipeline solution. which can include dewatering equipment, piping, pumps, valves and instrumentation. NA Coal's Freedom mine

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Tips on Investigating Stream Dewatering from

Tips on Investigating Stream Dewatering from Underground Mines . U.S. Office of Surface Mining Reclamation and Enforcement 03/27/2013 . Investigation of stream dewatering incidents with regard to underground mining activities can be challenging for a variety of reasons. Not the least of which is there is often a lack of pre-mining data with

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Coal Mining and Preparation Mineral Industry Solutions

Coal Dewatering; Tailings Treatment and Water Clarification; Tailings Treatment and Water Clarification. The majority of coal preparation processes require large quantities of water. Exceptions to this include crushing, screening, and transportation. Coal is separated from inert materials using flotation. This yields wastewater rich in coal fines.

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Clean and economical solutions for conveying different

Clean and economical solutions for conveying different types of materials. 2 IP 1318-12 GB Content Applications Mining / Backfilling 5 This is particularly true of coal mining companies. Potential application sites for the BSM 1002 6 8 Creating linings „Mine dewatering"

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Mining/Oil Gas

Slurry pumps, centrifugal pumps, magnetic drive pumps, submersible pumps, borehole pumps, diaphragm pumps and self-priming pumps are all used in the mining industry, depending on the fluid transfer and application needed. Mining pumps work for abrasive sludge dewatering, mineral processing, slurry transfer, reagent (acid and chemical) dosing, water supply and boosting, and waste water and

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Dewatering

's vertical plate pressure filter (VPA) has been developed to meet increasing demands for higher efficiency and automation in industrial and mining dewatering applications. The new VPA is a heavy-duty machine suitable for metallic minerals, industrial minerals, and coal and tailings.

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MINE PUMP APPROVALS APPROVAL NO COMPANY ISSUE

mine pump approvals approval no company issue date description last updated 07/18/16 1 . 2g-2630 ricks mfg and 05/08/73 model 253, 250 vdc with one supply company 2 hp motor, mine gathering pump . 2g-2658a flygt corp 04/10/73 type dbf-75-gh, 440/575 vac, (name changed to itt water wastewater ab) 3 ph, 60 hz with one 5 hp motor,

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