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Q & a series of technical problems of air compressor (ten)
Author: 志和      Release Date:2014/5/14      View Count:1938
 

"Q & a series of technical problems of air compressor (nine)" refer to: http://www.dg-zhihe.com/cn/newsshow.asp? Id=429

Small make up: daily cleaning and maintenance procedures of screw type air compressor removing grease what good method?

Chi and Technology Master: about removing air compressor oil, here to introduce you to two kinds of commonly used methods and convenient:

Method: with kerosene, oil removal. Brushing should be washed first order parts, main parts, after washing the main parts; wash clean, wash the dirty. (note that cleaning isnot put together to avoid bruising.) Parts cleaning after use clean compressed airdrying or dry cotton cloth, not just the cleaned parts directly installed, or the air pressure opportunity deflagration.

Method two: alkali washing. Sodium hydroxide solution with concentration of 10%commonly used, heating to 70 ~ 90 degrees for cleaning, so that the oil soluble in water, and then hot water or cold water rinse. Aluminum alloy parts are available with 0.15% sodium carbonate and 0.05% potassium dichromate solution, or 0.4% sodiumcarbonate and 0.15 sodium silicate solution cleaning. After cleaning the parts with compressed air dryer or cotton cloth to wipe.

Small make up: screw type air compressor clear what good method of carbon deposition?

Chi and technology is the master: Method: mechanical method. For thicker carbon deposit concentrated, use a soft scraper scraping.

Method two: chemical method. The parts in NaOH solution, is to dissolve the greaseemulsification parts, carbon become soft, easy to scrape. The parts removed, the removal of carbon deposition, to blow dry with compressed air. Tang Xoceco three Air Compressor Co., Ltd. over the years to provide clean gas source optimization scheme, while also providing compressed air system optimization design andinstallation service pipeline, and energy saving of the air, compressor screw air compressor waste heat recovery hot water project.

Small make up: to improve the exhaust air compressor is to increase the outputcoefficient, what method can improve the exhaust air compressor? Chi andTechnology Master: increasing the discharge quantity of air compressor usually pay attention to the following points: first, we must correctly choose the clearance volumesize; keep the tightness of the piston ring; tight gas cutting and packing box: keep thesensitivity of suction and exhaust valve; reducing gas inhalation resistance duringinhalation; should the drier and cooler gas; keep the output pipeline, gas cutting, tightgas tank and cooler; increasing the speed of the compressor; cooling system using the advanced is also very important;

When necessary, can also choose to clean up the cylinder and other parts.

Small make up: we often see in the air compressor for exhaust temperature limitrequirements are very strict, but why is this what? What effect is there?

Chi and Technology Master: air compressor exhaust temperature limit is very strict on why. As for the compressor lubricant is, if the exhaust temperature is too high, willmake the oil viscosity reduction, performance degradation of lubricating oil; the oil in the light fraction of volatile capital quickly, and the cause of "coke" phenomenon. In practice, when the exhaust temperature is over 20 degrees, "coke" is very serious,even can make the exhaust valve seat and a spring seat (cutting speed) of thechannel and the exhaust pipe blocked, the channel resistance.

Small make up: So that is what it is., so air compressor cause carbon depositionphenomenon in general have what harm?

Chi and Technology Master: "coke" can make the piston ring stuck in the piston ring groove, losing the sealing effect; if the static effect will make "deposits" explosion, the exhaust temperature of the compressor cooling water for the power of no more than160 degrees, not more than 180 of the wind cooling.

Small make up: what are the causes of mechanical crack? How to check?

Chi and Technology Master:: common causes crack parts produced by the following:the cooling water in the cylinder head, in winter park not timely drain and freezing; due to the stress produced during casting, vibration in use after gradually expandobviously;

M, echanical accident, such as piston connecting rod screw break, rupture, causing the connecting rod is broken off, or balance iron crankshaft flying out of the broken bodyparts or gas cutting off bad cylinder head top.

Small make up: we know the reason for parts crack, but how do we know or decide?

Chi and Technology Master: generally we contact the decades of master someactually can be very easy to distinguish out, when it comes to the concrete inspection method about the following:

Method: osmotic kerosene method: check, first wipe with cotton soaked in kerosenehead body and cylinder head, suspected crack in place, and then use dry cotton yarn is Jiang kerosene wipe, and immediately drawing pigment, at this time, a crack in place, kerosene is penetrated into powder, crack location and length grain is clearly displayed.

Method two: pressure: pressure is by increasing the pressure of cooling water to check the crack position.

Reminder.

Chronicles and the electromechanical device limited company to recommend air compressor, water heater, air compressor heat recovery equipment, as long as youhave the air compressor factory, can 0 operation cost of producing hot water andheating.

See details > >

(this paper mainly analyzes the series of technical problems of air compressor quiz,but in actual in the problem solving process is for reference only.)

 
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