Double Roll Crusher Machine Design - Free download as PDF File (.pdf), Text File (.txt) or read online for free. ... minimized. They are widely employed on friable materials such as coal, lime, limestone, petroleum coke, and ... MACHINE DESIGN 2 49 Table 1 Power versus torque and motor velocity in electric motors Table 8.2 Variation Of ...

valuable volatiles and petroleum coke. The coke is formed in drums and removed using a hydraulic decoking system. Hydraulic decoking employs high velocity water jets, produced by the decoking tool from water at pressures up to 415 bar (6000 psi). A special purpose double-casing pump, rated up to 3500 kW (4700 hp), supplies the high-pressure water.

However, when the replacement ratio was high and exceeded 10%, the strength of the petroleum coke residue concrete decreased sharply with the replacement ratio, decreasing by about 30%, much lower than that of ordinary concrete. Therefore, the replacement rate of 10% is reasonable for improving the strength of petroleum coke …

Petroleum coke crushers typically employ a combination of compression and impact forces to achieve the desired size reduction. There are several types of petroleum coke …

of calcined petroleum coke porosity which affects its suitability for use in pitch-bonded carbon applications. 3.2 WARNING - Vibrated bulk density for a sample of calcined petroleum coke is strongly ... 4.1 Jaw Crusher - Laboratory type; jaw opening, approximately 50 by 200 mm; jaws may be set to gaps of approximately 3'2 to 12'7 mm ...

The results showed that the effect of petroleum coke on strength was not noticeable up to a content of 20%. The reduction in the 28- day of compressive strength was approximately 14% lower at the petroleum coke content of 20%, compared to the control case. However, the reduction was approximately 38% in the case of 40% …

coke producers strive to obtain a maximum yield of 3/4" x 1/8" size, or a similar size acceptable to the customer, and a minimum yield of the less valuable fines. Coke fines can be kept at a minimum by choosing the proper coal, or coal blend, and by using a coke crusher designed to produce a minimum of screenings.

Petroleum coke is a waste material from the refining process but has favor as a fuel. All of the major suppliers of coking technology use TerraSource Global crushers, including …

Petroleum coke is a combustible solid product obtained from coking of petroleum residue and petroleum asphalt. Black porous, the main element is carbon, ash content is very low, generally less ...

The results show that the maximum equivalent stress can reach the yield strength of the coke drum material. This concludes that the bulges are mainly initiated by thermal stresses. Discover the ...

Estimating compressive strength. General rock failure criterion can be reduced to a few parameters dependent on lithology (m) and the uniaxial compressive strength (C 0).Lithology is commonly derived during log analysis, so m may be estimated (Table 1).What is needed still is an initial measure of rock strength provided by C 0. C 0 …

coke producers strive to obtain a maximum yield of 3/4" x 1/8" size, or a similar size acceptable to the customer, and a minimum yield of the less valuable fines. Coke fines …

Given the great difference in properties of the sam- ples considered in different studies, it seems reason- able to assume that the ability to withstand crushing forces (the …

Once the coke has been steamed and cooled, high pressure water jets are used to loosen the coke and wash it out of the bottom of the drum. Jet cutting pumps are high pressure units, around 4'300 psi (300 bar) with a flow rate typically 150 m3/hr (660 GPM) to 300 m3/hr (1320 GPM) and therefore require multi-stage, barrel type diffuser …

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Four Roll Crusher Compressive Strength . Four Toothed Roll Crusher is suitable for the hard and soft material that compressive strength less than 240Mpa, humidity less than 30%,for less powdery and more granular crushing situation,Such as: crush coal, coke, fertilizer raw materials, petroleum coke, glass, chemicals, etc., or ....

Slag cement is known for its high compressive strength, low permeability, and durability. ... Mobile Concrete Crusher ... What steps are required to make graphite from calcined petroleum coke？ ...

The results of this study are presented and the potential to enhance the VBD of shaft/non-shaft calcined coke blends by modifying particle shape with different …

crushing strength of calcined petroleum coke. crushing petroleum coke. Petroleum coke (both green and calcined) is a black colored solid produced by the.Bulk.A new method for dete

4.8.1.2 Type 2 Backfill Material. Backfill should be petroleum coke calcined (heat treated) to remove all other petroleum products, other than carbon, and should be supplied in granular form. Lime in a proportion of 10% by weight of coke breeze should be added to the product. The proposed material should have the properties of Table 4.7.

Rock hardness refers to the resistance of a rock to scratching. Its value equals the uniaxial compressive strength (MPa) of the rock divided by 10. Rock hardness and compressive strength have a certain connection, but also have big differences. Rock hardness is the resistance of a part of the rock surface when it is pressed into another …

Calcined petroleum coke (CPC) replaced a certain volume of the FAC and was employed as the fine aggregate of the matrix. The carbon content of CPC is 99.92 % [72]. Compressive strength and density. Oven-dry density and apparent density of each ULW-ECC specimen after 28d curing were measured according to BS EN 12390-7 [89].

Hammermills. Horizontal Shaft Impact Crushers. Sizers. Roll Crushers. Cone Crushers. Feeder-Breakers. Gyratory Crushers are an excellent choice for a primary crusher, as they can handle very hard and …

Once the coke has been steamed and cooled, high pressure water jets are used to loosen it and wash it out of the bottom of the drum. Jet cutting pumps are high pressure units, around 4,300 psi (300 bar) with a flow rate typically 150m3/hr to 300m3/hr and therefore require multi-stage, barrel type diffuser design, API 610 type BB5.

Pre-screening before crushers. ... The operating variable is the compacting energy applied and the relevant mechanical properties are compressive strength and shear strength. ... In some plant, coal blend includes petroleum coke and coke fines. The advantages of stamp charging are (i) increased throughput of 8 % to 10 % due to higher …

The material exhibiting twice as much displacement under compression will normally require twice as much power to be crushed. A.S.T.M. Method C-170-50 is used to obtain the highest accuracy in measuring compressive strength. However, the Pennsylvania Crusher laboratory has developed a procedure that is more practical for crusher selection.

Single Roll Crusher Models: Type K – suited for the size reduction of materials having a compressive strength of 8,000 p.s.i. or less. Materials crushed typically include coal, petroleum coke, lignite and other friable …

Petroleum Coke: Petcoke generally has a higher energy content (calorific value) compared to coal on a per-unit-mass basis. Coal: The energy content of coal can vary depending on its type and grade. 5. Applications: Petroleum Coke: Petcoke is often used as a fuel source in power plants, cement kilns, and industrial processes. It is also utilized ...

Self-sintering of green petroleum coke (GPC) offers a critical approach to prepare high performance carbon blocks owing to its remarkable homogeneity and high stability. ... . 1.7 times larger flexural strength, as well as 1.9 times higher compressive strength is found for DCMI-C compared to GPC-C, indicating that the DCM soluble …