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Allan Smith Engineering Pvt. Ltd.
Thane, Maharashtra, India
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Other Products / Services #652023

Hot Kiln Alignment Services

Allan Smith Engineering Pvt. Ltd. is engaged in providing hot kiln alignment. By utilizing our hot kiln alignment services, you can easily acquire realistic knowledge on the condition of the kiln without hampering the clinker production. Our alignment approach is based on technical and customized hardware/software. Since our professional alignment specialists hold expertise in grasping the root cause of kiln failure. Based on our experience and considering the root cause of kiln failure, we offer the best service at feasible costs.

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Hot Kiln Alignment

Hot kiln alignment is undertaken to ensure parallelism of center axis of kiln and all the support rollers. Measurements are carried out on kiln and support rollers to locate the existing axis. Depending upon analyzed result, correction can be taken up to ensure parallelism in plan and elevation view.

Kiln misalignment influences on load distribution on the rollers. Possibility of load variation exists because of some or other reason like one roller has higher diameter than another roller, rollers with different elevation difference etc. Optimization of kiln load on the rollers helps to reduces differential loading between rollers at same pier.

Problem like hot bearings, overturning of bearings, excessive wear on support rollers, and excessive wear on thrust rollers can be eliminated. Proper kiln alignment ensures proper load sharing on the support rollers.

Features

as a standard procedure, we are carrying out fea analysis to check the kiln stiffness. The stiffness helps to conclude the kiln is stiff or flexible.

We evaluate local slopes of each tire (as shown below) - usp

we optimize loading on the piers, depends upon stresses in the shell.

unique accuracy of our measurements is related to the possibility of access the support roller shaft end during operation.

our precision of the measurement is up to tens of millimeter. What we can see during rollers adjustment when moving the roller of 02 or 03 mm we are shifting for thrust direction.
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Kiln Shell Ovality Analysis

Kiln Shell Ovality is defined as flexing in the shell during the rotation and is a function of clearance between tyre and tyre pads at the instant. By and large, the clearance is a function of kiln operating parameters like shell tyre temperature, material load, feed rate etc.

Shell stresses are concluded from the measurements which upon the exceedance result in shell crack.

Scope of Shell Flexing Analysis:
a. Take kiln shell flexing measurements with high resolution beam, by directly mounting on the shell during normal operation. The flexing analysis is required to evaluate reasons contributing to shell flexing. And, creep is indirect measurement to conclude the shell flexing.
b. Shell flexing is governed by following factors:
i. Beam Strength of Tyre
ii. High air gap between tyre ID & shell OD (tyre creep)
iii. Kiln Shell Thickness
iv. Kiln Shell Misalignment
v. High run-out of kiln shell close to support stations

c. It is mandatory the beam (instrument) installation should be close to tyre preferably on the tyre section on kiln shell. The data collected by the installation, away from tyre section (because of shorter tyre section or thrust roller position) may not be true representation of the load and the graph generated cannot be compared for differential load at piers.
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Kiln Shell Profile Study

Kiln shell deformation attributed to weakening of refractory, holding kiln at a position for extended time. The shell deformations shell bend caused in the kiln increase operating problem and the rectification is obligatory. Shell profile study is a study to conclude deformation bent in the shell section of kiln and correction can be scheduled includes shell replacement with exact determination of the cut line for the replacement.

Usually, following is the scope of measurement:

1. Measurement of axial wobbling of rings (Tyre)
2. Measurement of gear rim mounting (wobbling axial runout, eccentricity and local deformation)
3. Measurement of the shell axis and local deformation preferably every two meter.
4. Determine the distribution map of the vector of eccentricity and local deformation of the shell.
5. Calculations, review of obtained parameters develop corrective actions for the facility
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Kiln Shell Replacement

Decision for kiln shell replacement is taken upon experience of persistent mechanical or operation problem.
usually, operation problem is premature and repeated refractory failure at certain zone of kiln shell. The failure result in reduced campaign life and reduced productivity.
And, repeated hot bearings, convexconcave wear on tyre rollers, erratic kiln axial movement etc as mechanical problems.
Shell replacement at appropriate position is one of solution for the above problems.
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Kiln Installation Services

Acquire the best kiln installation & erection services in Thane (Maharashtra), turn to Allan Smith Engineering. We provide kiln installation & erection services across the city and areas nearby. Owing to the professionalism in the work, we’ve been a prominent choice for people. Our professionals leave no stone unturned in providing the best kiln installation & erection services. For more, get in touch with us today.

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Kiln Shell Analysis Services

Deflection and Bent, we are measuring by standard method of measurement of distance to rotating kiln section. The data analyzed and presents as polar diagram for eccentricity and local deformations. Additionally, we measure roller shaft deflection to conclude hidden cranks of the shell at support roller position. Also, we reverse calculate the shell bent causing shaft deflection and consider this in the real final shell axis shape.rnSupport Roller DeflectionWe carry out support roller deflection measurement, a dynamic deflection during normal kiln operation. Data recorded for complete rotation of kiln using high precision digital dial gauge of accuracy 0.001 mm. The deflection indicate hidden bend in kiln shell, support roller shaft strength under operation load, etc. Kiln shell runout eccentricity and hidden crank induce cyclical shaft deflection and leads to incipient of fatigue crack in the shaft. Static deflection of the shaft will be higher but this we cant measure; we can measure only variation in the deflection during operation. The static deflection can only be measured during shutdown.
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Kiln Alignment Services

The Kiln Alignment services that we offer are reputed for zero error and close tolerances. We offer specialized Kiln Alignment solutions using the latest technology and tools. Our team is proficient and experienced in carrying out Kiln Alignment jobs of any scale, small or large. Our ability to locate the recurring problems and eliminating them enables us to offer dedicated Kiln Alignment.



Why Our Kiln Alignment Service?


We have an expert team of mechanical engineers who are proficient in this domain. They have extensive experience in over hundred slow speed rotary machines which enables them to effectively align and rectify any kind of problems.



What Is Floating Point Alignment?


Designed specially to address the requirements of slow speed rotary machines, this method aligns two pier supported systems thus mechanically stabilizing them. This method is planned after meticulously reviewing and learning the number of pre and post alignment issues in the two pier support systems. This ensures proper and complete alignment. The Floating Point Method is designed to bring the four floating points onto a reference plane with the aim of accomplishing uniform load sharing with support rollers.

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Kiln Tyre Raceway Grinding

Kiln tyre grinding

our company is recognized as one of the proficient service providers involved in rendering services for kiln tyre grinding. Usually, question being asked for need of grinding of tyres and reasons attributed for change in shape of tyre raceways from square to convex concave, the change is because of followings:

abnormalities in kiln operating conditions, like:
high shell runout
high tyre wobble
misalignment in kiln axis
improper support roller axis, etc

tyre wobble also called as tyre axial runout or tyre throw and usually consequence of installation error, kiln shell bend thermal or mechanical, taper wear on chair pad etc

tyre wobble leads to reduced contact between tyre and support roller in part of kiln revolution. The reduced contact result in higher hertz pressure on roller tyre surface and has its own consequence and causes accelerated wear on rolling surface and adversely affects kiln axial balancing as well. From the figure, it is obvious the wear is convex on tyre and concave on support roller. The wear begins series of problems like hot bearings, failure of tyre retainers, accelerated wear of raceways etc. Once wear pattern established, accelerated wear can be expected in order to adjust kiln axial movement by adjustment of the worn out support rollers.
obvious solution for the above anomaly is to restore square tyre and roller raceways.
supports rollers are expected to operate about an axis and the resurfacing is relatively easy.
however, the resurfacing for the tyre is not easy because of wobbling in lateral and axial direction. And, tyre was removed from position and bored in vertical boring machines and reinstalled. As the methodology is not economical, an innovative approach is required beyond normal machining methods and tyre grinding machine is developed for the resurfacing.

tire resurfacing technique
utilizes cup grinding stone
methodology adopted is more
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Specialized Maintenance Services

Specialized maintenance services, offered by Allan Smith Engineering, are widely acknowledged for optimal engineering solutions. Maintenance of cement clinker is essential for prolonged performance and hence, we make sure that the machine performs in the long run. Our professional engineers perform a quality check on the mechanical parts. The hindered equipment is replaced as per the requirement. For further queries, get in touch with our experts.

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Kiln Audit Services

Acquire the best kiln audit services in Thane (Maharashtra) by approaching Allan Smith Engineering. We are backed by a professional staff that holds expertise in kiln auditing. We make sure that no client faces the slightest inconvenience after acquiring our kiln audit service. As per the client requirement, the data is maintained for clinker and cement used. For further queries, feel free to get in touch with us now.

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Precision Repairing Services

Precision maintenance describes the maintenance culture in a facility. Specifically, a precision maintenance plan involves performing maintenance work in a consistent, precise, and industry-accepted way. If properly implemented, this means that the maintenance should yield the exact same results regardless of whosoever is performing the work. At Allan Smith Engineering, were agile at rendering precision repairing services. Feel free to contact us for acquiring precision repairing services in the city.

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Cold Alignment Services

Machines and gears often face alignment problems when not used for a prolonged period or overused. Thermal changes in gearboxes can be especially difficult to calculate. Often the input shaft temperatures will be different from the output shaft temperatures. This causes the gearbox shaft alignments to change in the horizontal plane as well as the vertical plane. Approach us and find the best solution by acquiring cold alignment services offered by Allan Smith Engineering. Our staff provides optimal quality cold alignment services across the region. For further queries, get in touch with us.

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Hot Kiln Alignment Service

We are having expertise, working on similar machines for around 23 years. Engineers had hand on specialized experience in world-class organizations and also have global exposure.
We are committed to increase availability of the machines and thus the reliability of the machine. Our specializations are for following machines;

Slow speed rotary machines.
Rotary Kiln Cooler Granulator Calciner Roaster etc
rnAllan Smith Engineering, the company you can depend upon for improving achieving cent percent productivity.
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Kiln Alignment

Our services of kiln alignment having mission Dynamic analysis of all spare parts of kiln to maintain accuracy in measurement, zero tolerance, by our experienced and specialized team lashed with modernized specific tools to monitor closer observation through latest international technology.



Our services Benefits


Our service team targeted to reduce operating cost and increases the wear life in various kiln design, speed, process, products, and completion of work within the time frame. Our focus to find reason through analytical audit of kiln and its spares to eliminate wear problem with providing suitable solution.



Significant of Floating Point Plane ( FPP) Alignment :-


Alignment is a starting point for any mechanical maintenance program in rotary kiln, it includes all mechanical characteristics of the kiln. Initially we study geometrical status of kiln spares , support system then analyze axis of rotation as accordingly .After collection and analysis of data we stabilize balance on every support station .The floating point method is designed to bring a point on the reference plane with the aim of accomplishing uniform load sharing with all support roller.



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FEA Analysis Services

Now a days Finite Element Analysis is being used to analyze failure analysis. FEA Analysis Services finds extensive application of FEA is in aerospace, automotive industry as well. In FEA, exact virtual model of machine element has been tested under practical conditions. Depending upon the test results, machine element can modify for its best performance in practice. We use FEA to carry out design review of kiln and components under normal operation. The review and corrections ensures reliable and dependable operation,



Recently we had carried out F.E.A. analysis to establish root cause of cement kiln support roller shaft shearing.

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Kiln Shell Analysis

We calculate shell distortion and bend our standard method of shell stress analysis, the data analyzed on base of polar diagram for eccentricity and local deformation. We manure shaft deflection to analyze hidden crank of the shell and support roller position. We have team to weld shell crack /shell change/ Stabilizing circumferential crack. We provide following test for shell.



  • Non destructive testing (NDT)

  • Ultrasonic test (UT)

  • Magnetoscopic test (MT)



Support roller deflection :-



We carry out support roller deflection measurement , a dynamic deflection during normal kiln operation , data recorded for complete operation of kiln with high precision digital dial gauge of accuracy of 0.001mm the deflection indicate hidden bend in kiln shell support roller shaft strength under operation load etc


Kiln shell run out/eccentricity and hidden crank induced cyclical shaft deflection and lead incipient of fatigue crack in the shaft.



Static deflection of shaft will be higher but this we cant measure, we can measure only variation in deflection during operation, the static deflection only can measure only in shut down


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Hot Kiln Alignment

Hot kiln alignment parallelism of centre axis of kiln and all support rollers. Kiln misalignment influence on load distribution on support rollers. Our alignment method applied by precision total station , measurement are taken in kiln normal operation and each measurement taken two times because of we allow to determine kiln axis deformation with a precisian below + / - 1 mm with high reliability.



Problems like hot bearing, excessive wear on roller and tire, excessive wear on thrust roller, Vibration in kiln pair, can be eliminate by carrying out hot kiln alignment. Our company having new technologies devices and software which make easy to procure highly precise and accurate measurement, our most specialized field measurement and analysis of kiln. We process our measurement through automating measurement and calculation analysis which is not only for presentation also provide guideline for aligning and supervising machine repair. We also provide animated rotary kiln shell in report.



Scopes of services



1.Set two horizontal reference line and benchmark on each pair


2.Following measurement is to be carried out


A. kiln axles position vertical and horizontal plane


B.Rollers axles position and skewing and operating angle


C.Rollers inclination and foundation frame axial slop


D.Support rollers profile (Mechanical wear of running surface)


E.Support rollers shaft deflection in reference to the pair (If any crank formation)


F.Thrust roller position with reference to kiln axis


G.Tire and shell temperature


H.Tire migration / air gap


I.Shell profile


J.Wobbling of tire and girth gear


3.General mechanical inspection mesh ( girth gear pinion), bearing and shaft condition, seals , thrust roller assembly , cover and housing


4.Calculation of deviation in axis vertical and horizontal plane and kiln slope.


5.Adjustment program schedule


6.Adjustment as per procedure


7.Survey of final axis position and rollers skewing adjustment.


8.Preparation of complete report with recommendation


9.Elastic shell deformation survey. Shell ovality check.


10.Measurement of kiln drives system equipment.


11. Kiln parameter observation as under.


i.Current load on pairs


ii.Pressure on bearing


iii.Bending stress in the shell


iv.Stress in the tire


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Kiln Shell Analysis

Deflection and Bent, we are measuring by standard method of measurement of distance to rotating kiln section. The data analyzed and presents as polar diagram for eccentricity and local deformations. Additionally, we measure roller shaft deflection to conclude hidden cranks of the shell at support roller position. Also, we reverse calculate the shell bent causing shaft deflection and consider this in the real final shell axis shape.

Support Roller Deflection
We carry out support roller deflection measurement, a dynamic deflection during normal kiln operation. Data recorded for complete rotation of kiln using high precision digital dial gauge of accuracy 0.001 mm. The deflection indicate hidden bend in kiln shell, support roller shaft strength under operation load, etc.

Kiln shell runout eccentricity and hidden crank induce cyclical shaft deflection and leads to incipient of fatigue crack in the shaft.

Static deflection of the shaft will be higher but this we cant measure; we can measure only variation in the deflection during operation. The static deflection can only be measured during shutdown.
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Contact Us

  • Mr. Laxmi Narayan (Allan Smith Engineering Pvt. Ltd.)
  • Unit no. 612- B Wing, Lodha Supremus, Kolshet Road, Near Air force Station, Thane West, Maharashtra - 400607
  • http://www.kiln.co.in
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  • Call 08069247352 Ext. 477