About Us

MINEVIK Machinery is a leading and pioneering enterprise with the most advanced international level in R&D, manufacturing and selling of large-scale crushing & screening plants and beneficiation plants.

large-scale crushing & screening plants and beneficiation plants.

All of our equipment have got ISO international quality system certification, European Union CE certification and Russian GOST certification.

  • In central China-Zhengzhou, covering 140 thousand square meters
  • Win-win cooperation and create more value to customers
  • Exported large quantities and high-end mobile crushing plant and milling equipments to Russia, Kazakhstan, Indonesia, Ecuador, South Africa, Nigeria, Turkey more than 100 countries .

Ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum

Our Products

AS a leading global manufacturer of crushing and milling equipment, we offer including quarry, aggregate, grinding production and complete stone crushing plant. We also supply individual crushers and mills as well as spare parts of them.

Services

Our goal is to guarantee the excellent operation equipment with high safety for our customers and minimize the downtime of the machine by predictive maintenance. Kefid service and original accessories can be 100% trusted at the time of maintenance.

SERVICE AND SUPPORT

Minevik service and original accessories can be 100% trusted at the time of maintenance.

ACCESSORIES CENTER

striving to enable customers to get the parts in the nearest place.

SALES MARKET

Our sales market is spread all over more than 100 countries and regions

methodology for bending of the rotary kiln

Rotary kiln Wikipedia

Heat exchange in a rotary kiln may be by conduction, convection and radiation, in descending order of efficiency. In low-temperature processes, and in the cooler parts of long kilns lacking preheaters, the kiln is often furnished with internal heat exchangers to encourage heat exchange between the gas and the feed.

Rotary Kiln Problems and Solution Methods

Dec 20, 2012· Presentation by Zeki Ozek Ozek Makina about basic kiln problems and solution methods by the help of hot kiln alignment measurements and analysis. For more

The method of waste incineration of The Rotary kiln type

The equipment required is incineration rotary kiln. The incineration rotary kiln has the basic characteristics of non-polluting and low energy consumption in the incineration process. It is the exclusive equipment for treating waste.This article will provide a detailed introduction to the equipment for incineration rotary kiln.

Rotary kiln working process

Nov 05, 2016· Rotary kiln is a pyroprocessing equipment used to raise materials to a high temperature (calcinationin) a continuous process, Chaeng has 300-5000 t/d Cement rotray kiln, 150-1000 t/d Lime rotary kiln.

Rotary Kiln – mechanical issues. – Shell deformation

Generally kilns diameter vary from 3 to 6m, and length from 40 to 200m. From maintenance point of view very important parameter is shell thickness: 20mm – small shell thickness; 40mm – standard shell thickness. There is also some useful parameter of rotary kiln design – thickness / diameter ratio. For many kiln producers is around 0,6%.

Cement kiln Wikipedia

Rotary kilns run 24 hours a day, and are typically stopped only for a few days once or twice a year for essential maintenance. One of the main maintenance works on rotary kilns is tyre and roller surface machining and grinding works which can be done while the kiln works in full operation at speeds up to 3.5 rpm.

Modelling and optimization of a rotary kiln direct

A calculation method was developed that allows for the prediction of the bed profile and residence time in a rotary kiln. The method is based on the principle of granular movement in a kiln as described by Saeman (1951) and Scott et al., (2008). It assumes the kiln is operating in the rolling regime, the active layer has zero thickness, and the

Measurement Tools For The Cement Industry

Measurement Tools For The Cement Industry Mechanical condition monitoring on rotary kilns 15.04.2016. Agenda •About TomTom-Tools GmbH •Ovality Sensor •Inductive Distance Measurement (IDM) Tool Kit –Gear Run-Out Measurement –Roller Shaft Bending Measurement •Mechanical Kiln Monitoring (MKM) System •Measuring Wheel •Rotary

International Journal for Research in Applied Science

Rotary kiln is rotary calcine kiln that belongs to building materials equipment, which can be divided into cement kiln, metallurgical and chemical kiln and lime kiln according to different materials. Rotary kiln is used for making of cement clinker and there are dry and wet methods to make cement. There are

Optimization and improvement of rotary kiln hood structure

1 general structural form and construction method of rotary kiln head cover NSP kiln kiln head cover common structure form for use i-steel welding steel structure frame, the steel structure framework laying 6 ~ 10 mm of steel plate, under the uniform anchorage parts, sheet metal castable construction in anchoring a cramp, the root plate surface laid 50 ~ 100 mm calcium

Optimization and improvement of rotary kiln hood structure

1 general structural form and construction method of rotary kiln head cover NSP kiln kiln head cover common structure form for use i-steel welding steel structure frame, the steel structure framework laying 6 ~ 10 mm of steel plate, under the uniform anchorage parts, sheet metal castable construction in anchoring a cramp, the root plate surface laid 50 ~ 100 mm calcium

Everything You Need to Know on Rotary Kiln Refractory

Refractory, or the lining utilized on the interior of rotary kilns, is a critical component in ensuring process efficiency and prolonging the life of a rotary kiln.Here, we’ll discuss everything you need to know about refractory, including how it works, the different types, and best practices for preventative care.

Top Applications for Rotary Kilns FEECO International Inc.

Rotary kilns (also known as rotary calciners) are used to heat solids to a predetermined temperature in order to create a chemical and/or physical reaction.The two basic types of rotary kilns – direct fired and indirect fired (calciners) – can be found supporting processes in mineral, agriculture, and other material processing industries.

The method of ring forming in rotary kiln_cement

The rotary kiln equipment is divided into two kinds of ring forming: front ring forming and back ring forming. Generally, it can be formed only when the rotary kiln speed is slow: (1) front knot processing. When the current lap is not high, it will have little impact on the calcining operation, but it will increase the thickness of the burnt material layer and prolong the residence time of

rotary kiln allowable stress and deformation Home

2016-12-13 country and by rotary kiln manufacturer, despite the fact that most rotary kiln shells are made of low alloy carbon steel. Age of the rotary kiln shell, distance between the tires, and structure of the shell are some important points should be considered before deciding what the maximum allowable temperature for a rotary kiln is.

Cement Kilns: Design features of rotary kilns

Design features of rotary cement kilns. The shell of the kiln is made of mild steel plate. Mild steel is the only viable material for the purpose, but presents the problem that the maximum temperature of the feed inside the kiln is over 1400°C, while the gas temperatures reach 1900°C.

THEORETICAL AND EXPERIMENTAL RESEARCH ON STRESSES

roller. In the ring, the bending stress and stress due to temperature gradient along the section height also exists. Theoretical value of stresses will be compared with experimental ones, obtained for the most loaded, middle ring in Cement factory in Kakanj.. Keywords: rotary kiln, riding ring, Hertz contact stress 1. INTRODUCTION

Static structure analysis of 5000tpd Rotary cement kiln

general analytical solution methods. Following the analyzed results, a relevant conclusion is given where the analysis results would be useful in design of rotary kiln cylinder optimization for excellent performance and scholarly work. Keywords; Rotary kiln, Finite element analysis, von-mises stress, tyre. 1.0 Introduction.

US4193756A Seal assembly and method for providing a seal

A seal assembly and method for providing a contaminant-free, fluid-tight seal in a rotary kiln or similar rotating apparatus. A seal is provided between the rotating surfaces and the stationary surfaces of the kiln by providing an annular seal chamber defined by a rotating, outwardly-facing, U-shaped annular rim integral with the rotating surfaces of the rotary kiln and a stationary

Contribution to Kiln Tyre Contact Stress Analysis | Open

Kiln inlet and kiln outlet do not support kiln shell. To calculate reaction at tyre following loads are considered. A. Refractory load: Kiln is very long and different chemical processes occur at different locations. Temperature inside the kiln vary from point to point, it is higher in burning zone and reduce toward kiln inlet.

THE ROTARY KILN FEECO International Inc.

THE ROTARY KILN HANDBOOK FEECO International was founded in 1951 as an engineering and equipment manufacturer. We quickly became known as the material experts, able to solve all sorts of material processing and handling problems,

Operation method of ignition and heating of cement rotary kiln

Cement rotary kiln ignition heating operation is required certain skills and methods, the following to introduce several kinds of cement rotary kiln ignition heating operation method notes:. 1. Preparation of cement rotary kiln. Upon completion of all preparations, the ignition site shall contact with the central control operator to prepare for ignition, and the central control operator

Rotary Kiln an overview | ScienceDirect Topics

A cement kiln incinerator is an option that can be used to incinerate most hazardous and non-hazardous wastes. The rotary kiln type is the typical furnace used in all cement factories. Rotary kilns used in the cement industry are much larger in diameter and longer in length than the previously discussed incinerator.

Cement Kilns: Firing systems

In rotary kilns, irrespective of the fuel used, the most obvious common feature of the firing system is the firing pipe (burner pipe) which passes through the kiln hood at the kiln's hot end, arranged more or less along the kiln's centre line, and through which the fuel is projected into the kiln at high velocity. The effect is rather like a

THE ROTARY KILN FEECO International Inc.

THE ROTARY KILN HANDBOOK FEECO International was founded in 1951 as an engineering and equipment manufacturer. We quickly became known as the material experts, able to solve all sorts of material processing and handling problems,

Operation method of ignition and heating of cement rotary kiln

Cement rotary kiln ignition heating operation is required certain skills and methods, the following to introduce several kinds of cement rotary kiln ignition heating operation method notes:. 1. Preparation of cement rotary kiln. Upon completion of all preparations, the ignition site shall contact with the central control operator to prepare for ignition, and the central control operator shall

Rotary Kiln an overview | ScienceDirect Topics

A cement kiln incinerator is an option that can be used to incinerate most hazardous and non-hazardous wastes. The rotary kiln type is the typical furnace used in all cement factories. Rotary kilns used in the cement industry are much larger in diameter and longer in

Cement Kilns: Firing systems

In rotary kilns, irrespective of the fuel used, the most obvious common feature of the firing system is the firing pipe (burner pipe) which passes through the kiln hood at the kiln's hot end, arranged more or less along the kiln's centre line, and through which the fuel is projected into the kiln at high velocity. The effect is rather like a

Dynamic Analysis of the Temperature and the Concentration

Rotary kiln data reported by industry. Variables American Units International System Inlet gas temperature 1391.67 ºR 773.15 K Radio of the kiln (r) 7.00 ft 2.15 m Length of the kiln 295.28 ft 90.00 m Outside radius (r2) 2.148 m 7.05 ft Figure 1 Volume control used in the mathematical modelling of the rotary kiln (adapted from Spang 1972).

Rotary Kilns fikcc

Rotary Kilns Transport Phenomena and Transport Processes Akwasi A. Boateng AMSTERDAM •BOSTON HEIDELBERG • LONDON NEW YORK •OXFORD PARIS SAN DIEGO SAN FRANCISCO •SINGAPORE SYDNEY • TOKYO Butterworth-Heinemann is an imprint of Elsevier

Abnormal condition detection in a cement rotary kiln with

Cement rotary kiln is the most vital part of a cement factory which outcome is cement clinker. A rotary kiln is a cylinder with a length of about 70 m and a diameter of about 5 m in a factory with a capacity of producing about 2000 tons of clinker per day. The kiln is rotated by a powerful electrical motor.

Measurements / Rotary Kilns R.A. Ingeniería

Rotary kiln axis hot alignment (Direct method) A kiln’s axis misalignment, both, vertically and horizontally, has a direct impact on the life of the refractory causing refractory failure (breaks and falls), and, because of this, the kiln’s shell can be exposed to excessive heat which can cause permanent deformation, and even breakage due to stress and fatigue.

Keep The Kiln Rotating Rotary Kiln Services Hot Kiln

Zeki Ozek from Ozek Makina Rotary Kiln Services, Turkey, offers some insight into maintaining rotary kilns in a cement plant. A rotating kiln in a cement plant is the same as a beating heart in our body. That is why we all work hard to keep the kiln rotating. It is there to calcine every individual particle in thousands of tonnes of raw mix.

Analytical and numerical analysis of the tire tightening

A rotary kiln is the key rotating machine used in the production of cement. Similar large rotating machines are used in other chemical and metallurgical industries. The tubular geometry of the furnace is represented in Fig. 3. The overall dimensions of the kiln are length of 63 meters and internal diameter 4 meters (Table 1).

MECHANICAL CONDITION MONITORING ON ROTARY KILNS

Kiln Shell Laser The Kiln Shell Laser is a measurement tool, which measures the deformations (roundness, straightness, eccentricity) in shells of rotary kiln and dryer during operation. It measures continuously the distance to the shell and records the deviations. The tool is placed in various positions along the kiln. For evaluation, the shape

Hot Kiln Alignment Geoservex

Measurements of rotary kiln shell deformation constitute a significant part of our extensive offer of kiln inspection. Geoservex was the pioneer in the field of these measurements, covering the scope ranging from simple measurements of distance and geometric approximation of a cross-section shape, to linear laser scanning and unique computer software development enabling the calculation of

Three Quick Tips For Manufacturing Of Cement | Building

Oct 03, 2017· Corrected slurry is fed at the higher end of the inclined rotary kiln (Fig. 5.2) whereas from the lower end of the kiln flame is produced by injecting pulverized coal with a blast of air. Rotary kiln is a steel tube lined inside with free bricks. It is 90 to 120 metres long and from 2.5 to 3.5 meters in diameter.

THE USE OF SCRAP TIRES IN CEMENT ROTARY KILNS©

THE USE OF SCRAP TIRES IN CEMENT ROTARY KILNS© SCRAP TIRE MANAGEMENT COUNCIL . The Use of Scrap Tires in Rotary Cement Kilns Another method of tire shred insertion into the kiln is by a chip cannon. This equipment can handle up to five

Contact

When we get your inquiries, we will send tailored catalogue, pricelist, delivery, payment terms and other,required details to you by email within 24 hours..