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two stage shale crusher patent

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  • Hydraulic Fracturing

    2021-9-17 · On December 1949, Farris filed a patent for a process for "increasing the productivity of an oil or gas well", and the patent was issued in 1952. Water was introduced as a fracturing fluid in 1953, and the data shows an increase in the number of records of both hydraulic fracturing with fluid agents and water-based treatments at that time.

  • CN201058302Y

    The utility model relates to a crusher technology, in particular to a vehicle mobile crusher, comprising a preparatory crushing station, a vibrating feeder for material feeding, a jaw crusher, and a belt conveyor towed by a tractor in sequence; the utility model also comprises a secondary crushing station, a fine crusher, and a belt conveyor towed by the tractor in sequence; a …

  • teeth roller coal crusher used in uruguay

    2021-10-2 · US584183A - Cane-crusher - Google Patents. US584183A US584183DA US584183A US 584183 A US584183 A US 584183A US 584183D A US584183D A US 584183DA US 584183 A US584183 A US 584183A Authority US United States Prior art keywords teeth cane rollers roller crusher Prior art date Legal status (The legal status is an assumption …

  • Lorena Gold Project, Queensland

    The company also holds two exploration permits (EPM18189 and EPM18908) in the region. Gold mineralisation at Lorena is hosted within a south-west steeply dipping fault system comprising silicified and brecciated shale and siltstone of …

  • US2919075A

    Dec. 29, 1959 M. A. PFEIFFER TWO STAGE REVERSIBLE CRUSHER'' 2 Sheets-Sheet 2 Filed Dec. 8, 1955 United States Patent TWO STAGE REVERSIBLE CRUSHER Mark A. Pfeifi''er, Phillipsburg, Ohio Application December 8, 1955, Serial No. 551,855 . 6 Claims. (Cl. 241-160) This invention relates to a crusher, and more particularly to a two-stage, reversible ...

  • Impact Crusher Machines

    2021-11-15 ·  Williams Patent Crusher is an industry-leading impact crusher manufacturer, with nearly 150 years in the business to prove it. Since 1871, we''ve been engineering new designs and improving our existing models to deliver the highest-performing impact crusher machines on the market to our clients.::: The models of HD impact crushers are featured …

  • Roll Crushers, Laboratory Roll Crusher, रोल क्रशर in ...

    McLanahan offers belt-driven Roll Crushers in four designs: Single Roll, Double Roll, Triple Roll and Quad Roll Crushers. Roll Crushers are built to handle primary, secondary and tertiary stage crushing of friable materials such as coal, salt, clay, bauxite, limestone and more.Since patenting the first Single Roll Crusher in 1894, McLanahan has become an expert in the design and …

  • Two Stage Hammer Crusher For Shale/coal Gangue ...

    Two-stage fine crusher is particularly suited to crush the bricks and tiles plant slag, shale, coal, coal gangue, construction waste, etc, material. There is no need sieve at the bottom of two-stage fine crusher, it is especially to crush the high-humidity material,soloving the blockage problem with perfect efficent.

  • Double Stage Crusher

    The two-stage crusher can easily crush the material like coal gangue, shale and coal cinder, etc. A two-stage crushing machine is equivalent to the combination of two hammer crushers. Why choose the Fodamon two stage crushing machine? …

  • Products / Mining Crushing Equipment_China made 250 ...

    2019-5-29 · Double Stage Hammer Crusher The two-stage crusher also called the coal pulverizing mill is a new type of patent product for utility models which can easily break materials with high moisture content such as gangue, shale and coal cinder etc.

  • Preheating oil shale prior to pyrolysis thereof

    Oil shale is preheated to temperatures in the order of 400°F to 650°F prior to the pyrolysis thereof in a retort to produce vaporous hydrocarbonaceous products therefrom by entraining the oil shale with hot flue gases in a series of at least two dilute phase fluidized beds having an incineration zone interposed upstream of the final fluidized bed for reheating flue gases threfrom, and for ...

  • Utilization of Waste Rock from Oil Shale Mining

    2012-3-27 · It was determined that impact crusher is the best type of crusher using different schemes of crushing and screening. Impact crusher uses selective crushing, a method that liberates weak oil shale particles from hard limestone waste rock. The first crushing and screening plant with two stage impact crushers was

  • A for axially crushing an empty can of the type having a recessed top and bottom and a pour hole in the top, the pour hole appearing when the tab is removed to empty the can. The present i ... United States Patent 4459905 ... Two-stage : 1982-06-08: Longnecker: 100/902: 4333395: Container crushing device: 1982-06-08 ...

  • Hammer Mill Operating Principle

    2016-2-25 · Hammer Crusher. The Jeffrey Miracle Hammer Crusher is designed for the reduction of large pieces and large capacities of limestone, shale, slag, and cement rock. The larger sizes are built to take steam shovel size limestone, …

  • Portable Crushing & Screening

    2021-11-21 · Astec designs and manufactures a diverse product portfolio of portable crushing and screening plants for increased portability and flexibility on site. Our portable plant configurations feature a variety of components including jaw crushers, cone crushers, impact crushers and a variety of screening plants.

  • Double Roll Crushers | McLanahan

    Double Roll Crushers. Double Roll Crushers typically follow a primary or secondary crusher and are used for secondary and tertiary reduction of various minerals, such as ROM coal, clean coal, limestone, gypsum, trona, shale, bauxite, oil shale, coke, salt, lime, glass, kaolin, brick, shale and wet, sticky feeds.

  • Charles F. Griswold Inventions, Patents and Patent ...

    Abstract: A two-stage process for staged combustion of crushed retorted particles, especially sulfur and nitrogen-bearing shale, provides maximum heat from combustible materials in shale while emissions of carbon monoxide and oxides of sulfur and nitrogen are minimized. In the first stage, combustion is maintained under fluidizing conditions with a substoichiometric amount of …

  • CN104261649A

    The invention discloses a high-efficiency oil sludge pyrolysis oil making method and system and belongs to the technical field of solid waste recycling and environment. Crude oil sludge is subjected to deep drying and breaking treatment by virtue of a two-stage blade-type dryer and then enters a spiral pyrolyzing furnace, and produced pyrolysis gas is subjected to spray …

  • Shale Beneficiation Plant In Australia

    2020-8-11 · Shale Beneficiation Plant In Australia. Shale Ore Hammer Crusher Price In Eritrea Coke crusher wholesale crushers suppliers ore dressing production line factory direct sale double toothed roll crusher tooth roller crusherhard coke crushercoal limestone gypsum coal coke diesel crusher pe150 x 250 mini diesel coke coal hammer crusher pc 400 x 300 hammer crusher …

  • Roll Crusher

    Roll Crusher. For a given reduction ratio, single-roll crushers are capable of reducing ROM material to a product with a top size in the range of 200–18 mm in a single pass, depending upon the top size of the feed coal. Double-roll crushers consist of …

  • mining crusher_price_industry_Dingli crusher

    2019-8-21 · Shape Patent: mining crusher also called horizontal crusher, inspired by the shape of snail, consists of two parts of upper and bottom. And we pay more attention to the upper shell with whole vertical bars and horizontal bars studded with …

  • Ben A. Christolini Inventions, Patents and Patent ...

    1998-11-19 · Date of Patent: May 7, 1991. Assignee: Union Oil Company of California. Inventors: Ben A. Christolini, Kimanh T. Le, Mitchell J. Berndt, Steven E. Howe. Process for staged combustion of retorted oil shale. Patent number: 4543894. Abstract: A two-stage process for staged combustion of crushed retorted particles, especially sulfur and nitrogen ...

  • US2595219A

    A two-stage, jaw type crusher, having, in combination, a frame provided with upstanding s aced sides, an upstanding rimary jaw and a shorter upstanding secondary jaw, said jaws being mounted transversely within said frame and being spaced widely apart in opposed relation, an upstanding pitman mounted medially of said jaws and carrying on one ...

  • Comprehensive Industry Document Stone Crushers

    2018-11-19 · The stone crusher is one such industry that exists in the vicinity of almost all major cities/towns throughout the country in all the states because the construction activities go on throughout the country. As transportation of stone over long distances adds to cost of the crushed stone products, the crushers

  • Process and apparatus for converting oil shale or tar ...

    The shale loading system 200 is shown in FIGS. 2A and 2B, where oil shale from a mine is conveyed to shale preparation unit 218 containing a shale crusher 226, a 4 inch by 4 inch screen 224 and a small shale collection zone 222. Shale that is too large and does not pass through screen 224 is recycled through line 220 for recrushing in crusher 226.

  • In shadow of Texas gas drilling sites, health fears escalate

    2  · In shadow of Texas gas drilling sites, health fears escalate. ARLINGTON, Texas (AP) — At a playground outside a North Texas day care center, giggling preschoolers chase each other into a playhouse. Toddlers scoot by on tricycles. A boy cries as a teacher helps him negotiate over a toy. Uphill from the playground, peeking between trees, is a ...

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  • Two-stage centrifugal dedusting process (Patent) | OSTI.GOV

    @article{osti_5360205, title = {Two-stage centrifugal dedusting process}, author = {York, E D}, abstractNote = {A two-stage dedusting process is provided for dedusting heavy oil derived from solid hydrocarbon-containing material, such as oil shale, coal, or tar sand. In the process, heavy oil is fed to a first centrifuge where it is separated into a purified stream of heavy oil and a …

  • Roll Crushers | McLanahan

    Triple Roll Crushers. Triple Roll Crushers are ideal for producers who want to accomplish two stages of reduction in one pass. They can be used in coal, salt, coke, glass, and trona operations, among others. Triple Roll Crushers combine a Single Roll Crusher with a Double Roll Crusher to form a crusher that is capable of achieving a 6:1 reduction ratio in the primary stage and a 4:1 …

  • US3622089A

    The secondary crusher 20 also has two crushing stages. While the primary crusher has been shown merely by wary of example as comprising a twin-chambered jaw crusher that provides first and second stage crushing devices, the secondary crusher can, for example, comprise a triple roll crusher having coarse first and fine second stage crushing ...

  • Crushers

    A double toggle crusher has two shafts and two toggle plates. The first shaft is a pivoting shaft on the top of the crusher, while the other is an eccentric shaft that drives both toggle plates. The chewing movement, which causes compression at both material intake and discharge, gives the single toggle jaw better capacity, compared to a double ...

  • Flotation type system and method for crushing, separating ...

    Provided are flotation system and method for crushing, separating and washing waste plastics. In a direction of transporting materials, the flotation system includes a crusher, a flotation tank, a multi-functional rubbing and separating device, a washing tank and a dehydrator which are connected in turn; the flotation tank and the washing tank are disposed abreast; the floatation …

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