Rolair PORTABLE AIR COMPRESSOR Manuel d'utilisateur télécharger pdf

621

Scholars Journal of Engineering and Technology (SJET) ISSN 2321-435X (Online)

Sch. J. Eng. Tech., 2014; 2(4C):621-627 ISSN 2347-9523 (Print)

©Scholars Academic and Scientific Publisher

(An International Publisher for Academic and Scientific Resources)

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Research Article

Maintenance of an Air Compressor Used in Quarries

Ogundele, O. J.,

Osiyoku, D. A.

Braimoh, J., and

Yusuf, I.

1,2,4

Department of Mineral Resources Engineering, Auchi Polytechnic, Auchi, Edo State, Nigeria

Department of Science Laboratory Technology, Auchi Polytechnic, Auchi, Edo State, Nigeria

*Corresponding author

Ogundele, O. J

Email:

Abstract: The research work investigates the maintenance of an air compressor used in quarries. The objectives of the

research were achieved through the selection of a compressor. Reciprocating compressor was selected maintained as it

will give the required volume of air at a very high pressure. It has capacity of 1200 m

/hr which makes it to work with

any types of pneumatic drilling machine at a very high pressure. For every 3000 hours and 6000 hours, the preventive

maintenance is required.

Keywords: Maintenance, reciprocating compressor, high pressure, pneumatic drilling machine, preventive maintenance

INTRODUCTION

An air compressor is a device that converts

power (usually from an electric motor, a diesel engine

or a gasoline engine) into kinetic energy by

compressing and pressurizing air, which, on command,

can be released in quick bursts. There are numerous

methods of air compression, divided into either

positive-displacement or negative-displacement types

[1].

Compressor is a machine that extracts air from

the atmosphere and compresses it into a holding

chamber. The most common use of compressed air is

for the operation of pneumatic tools. Compressed air is

the fluid that has been used as a source of energy in

rock drilling, as much for driving the pneumatic

equipment with the top hammer or down-the-hole

hammer, as for flushing of cuttings when the drilling

with hydraulic or rotary hammers [2].

Compressors are used to increase the pressure

of air from the initial conditions (air intake) to the

discharge conditions (air discharge). Compressors may

be used as vacuum pumps. A vacuum pump has an

intake that is below atmospheric pressure and usually

compresses to no higher than atmospheric pressure. The

degree of vacuum attainable is dependent upon the type

of system, leakage into the system, and limitations of

the equipment. The main types of air compressors are

positive displacement and dynamic as shown in Figure

Fig-1: Types of Compressors (US DOE, 2003)

1 2 3 4 5 6 7

Research Article 1

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Page 1 - Research Article

621 Scholars Journal of Engineering and Technology (SJET) ISSN 2321-435X (Online) Sch. J. Eng. Tech., 2014; 2(4C):621-627

Page 2

Ogundele OJ et al., Sch. J. Eng. Tech., 2014; 2(4C):621-627 622 Most air compressors either are reciprocating pisto

Page 3

Ogundele OJ et al., Sch. J. Eng. Tech., 2014; 2(4C):621-627 623 Safety The safety tips needed during and before operating th

Page 4

Ogundele OJ et al., Sch. J. Eng. Tech., 2014; 2(4C):621-627 624 pressure gauge for proper LOAD/UNLOAD pressures. (vi) Drain con

Page 5

Ogundele OJ et al., Sch. J. Eng. Tech., 2014; 2(4C):621-627 625 5. Pressure switch or magnetic starter chatter. Adjust switc

Page 6

Ogundele OJ et al., Sch. J. Eng. Tech., 2014; 2(4C):621-627 626 Table-3: Cost of Purchasing and Maintenance of Air Compressor S/N

Page 7

Ogundele OJ et al., Sch. J. Eng. Tech., 2014; 2(4C):621-627 627 4. EMGLO; Air Compressor Maintenance and Trouble Shooting, 3

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