PH determination methods By pH meter

ph meter HI 8314 HANNA

Theory of PH The quantitative measurement of the acidity or basicity of a solution is called pH of the solution. It is defined as the negative logarithm of hydrogen ion concentration of a solution. pH       =       -log    [ H+ ] If the pH of a solution is 7, the solution is called neutral. The …

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Steam Blowing Procedure

Steam Blowing procedure target plate

This Steam Blowing procedure is intended to provide general application guidance and establish controls during Steam Blowing of piping and equipment. The purpose of steam blowing, prior to start-up of a new unit, is to remove any foreign material in the superheater and steam piping after the erection completion. Considerable damage could result, if such foreign material is allowed to …

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Steam Boiler Alkali Boil out Procedure

steam Boiler alkali boil out procedure

Boiler Alkali boil out is carried out to remove material such as lubricants, oil, and rust. During the manufacturing of seamless steel tubes, mill scales are bound to be formed, and some of these can remain inside. During fabrication and erection of the pressure parts, some amount of oil and lubricants can also. get into the tube surface apart from …

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Boiler gas tightness test procedure

boiler gas tightness test

We will discuss important steps involved in Boiler gas tightness test procedure. -Close all the dampers in the grate hopper of the boiler. -Run the FD fan and open all the dampers excluding the dampers in the grate hopper. Keep air pressure and running time as approved by design. Detect leakage by soap solution /smoke test. Vital points for leakage …

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Boiler refractory dry out procedure

Boiler refractory dry out

Boiler Refractory dry out is to ensure proper drying, curing of refractory applied on furnace and other components. The refractory usually undergoes considerable chemical changes, during initial heating. Controlled heating, through these reactions ensures maximum strength. While heating, there must be free air flow over the system to ensure removal of moisture. In order to commence refractory dry out, the …

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Water tube Boiler Commissioning Procedure and Checklists

Water tube Boiler Commissioning

The operation of checking the equipment and tuning them before putting into commercial operation is commonly termed as ‘commissioning’. The boiler commissioning activity includes the following: Boiler Inspection, pre-operation checking and preparation of the equipment including specialized cleaning. Trial run, initial operation and performance monitoring. Many of the equipment including auxiliaries, such as fans, ESP, handling system, etc., are engineered …

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Boiler Hydrostatic testing procedure

Boiler pressure test

This procedure defines the requirement and procedure of hydrostatic testing of the boiler pressure parts after completing the assembly of all the boiler high pressure and temperature components. Hydrostatic testing Objective Hydrostatic testing in the boiler is carried out to check the following: Leakages in the boiler pressure parts (Tubes, headers and Pipes). To test the soundness of welded joints …

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How to increase boiler efficiency without any investment

increase boiler efficiency

Boiler engineers can increase boiler efficiency up to 10% without even spending any penny or up to 15% with spending some money. Take these steps on your steam boiler and you can save a lot of energy, fuel, and money.  25 ways to increase boiler efficiency Control excess air in your boiler. A 5% Reduction in the Excess air can …

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Pressure Safety Valve theory and PSV Valve Mechanism

Boiler safety valve psv

Pressure Safety valve or PSV Valve is the most important valve on a boiler used to relief excess pressure to atmosphere let’s see how psv valve is important, Let’s discuss about Pressure safety valve theory installation rules and PSV valve mechanism, Sv setting, testing and the types. Purpose and safety PSV Valve The maximum allowable working pressure (MAWP) for the …

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Deaerator Working Principle

Deaerator Working Principle

What is Deaeration? The process through which the dissolved corrosive gases are removed from the Boiler Feed water is called deaeration. The equipment, which is used in this method, is called Deaerator. Today we will discuss Boiler Deaerator Working Principle. The necessity of deaeration: Deaeration is needed to control the corrosion processes in the downstream system. In water, the presence …

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Fire Tube Boiler

package boiler

The basic principles on which a boiler operates remains the same. Boilers also have different models, today we will talk about “fire tube boiler”. What is a Fire tube boiler? The universal type of steam boilers is the smoke tube or fire tube boiler where the heat and gases of combustion (from furnace) pass through tubes that are enclosed by …

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Water Tube Boiler Parts and Functions

water tube boiler design

What is a water tube boiler? Water tube boilers were developed for a variety of reasons, including the need for higher steam pressures, higher steam generation rate, superheated steam. these types of boilers have quicker response to load changes. We briefly discuss about Water tube boiler parts and functions. In the water tube boiler, the water and steam flow inside …

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