boiler objective questions and answers

The most important two parameters of boiler objective questions and answers fuel cost calculation are fuel consumption and fuel unit cost. The calculation of fuel consumption has been mentioned above, and the acquisition of fuel unit cost information is mainly described here.

First, wet maintenance 1, generally applicable to the shutdown period not exceeding one month of maintenance. 2, shutdown after the stipulated time exhausted furnace water, scale, slag, ash clean and clear. 3. Close all manholes, hand holes, valves, etc., and the boiler objective questions and answers is completely isolated. 4, the resist solution prepared by passing an alkaline demineralized water, boiler water was added per ton of sodium hydroxide Na (OH) 8kg ~ 10kg, plus or sodium carbonate (NaC03) 20kg, plus or sodium (Na2P03) 20kg. 5, with special care and pump the prepared alkaline solution into the boiler. 6, when the protection solution is injected into all the open valve to the qualified demineralized water filled boiler, until the water overflows from the air valve, and then closing the air valve and the supply valve to open a dedicated pump cycle, a uniform mixed solution. 7, during the entire maintenance, should be periodically maintained with Weihuo drying oven outer heating surface, periodically turn the pump cycle, the concentration of the solution was consistent throughout, but also regularly take the solution assay and the replenishment solution, the PH value of the solution was ~ 10 between 12 to ensure that the alkalinity boiler water. 8, in the winter to take appropriate measures freezing. Second, the maintenance of a dry, apply a long shutdown period, usually for more than a month, especially in summer to disable heating and hot water boiler. 2, after the shutdown, the boiler water exhausted, clearly soot scale furnace, and the heating surface of the slag. 3, the choice of an appropriate amount of drying agent: anhydrous calcium chloride and commonly used desiccant quicklime. 4, off the boiler supply pipe, water supply, the valve on the outfall, or blocked by the separator Yan, completely isolated from the other operation of the boiler. 5, open manhole, hand hole, the boiler naturally dried if wet boiler, and with a slow fire the boiler furnace wall flue drying. 6, the boiler drying, the tray containing a desiccant into the furnace and the steam drum to absorb moisture, not in direct contact with the desiccant required boiler heating surface. 7, desiccant should be placed once, to see whether the heating surface corrosion regular weekly inspection of the boiler month, the timely replacement of the desiccant failure, a month later inspected once every two weeks.

Third, the auxiliary mobile device is ready to put in place

Condensing gas boiler body is much larger tonnage are relatively large and difficult to move, move, or just rely on manual handling basic unrealistic. Only by means of some large hook hanging class machinery and equipment to be placed in the appropriate boiler installation location, so before installing the boiler, we need to move these auxiliary equipment ready.

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Steam Boiler Questions and Answers

Question: Boiler manholes Why are boiler manholes elliptical in shape? Answer: The boiler manhole-lids are mounted from the inside of the boiler so that the boiler pressure will help to keep them tight. Hence the manholes have to be elliptical in shape to make it possible to take the lid out from the boiler. Boiler Questions and Answers

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power plant boiler quation and answers quation CFBC Boiler

Test concepts of Generation of Electric Power by solving Objective Questions > multiple choice questions (MCQ's) related to Generation of Get Answer. C In a power plant, coal is carried from storage place to boilers generally by means of. Test concepts of Generation of Electric Power by solving Objective Questions (A) Boiler. (B) Super-heater.

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STEAM BOILER QUESTION AND ANSWER - Steam boiler question and answer - Digital library is a good source of information for everyone who studies, strive for improving his skills, broadening the mind, learning more about unknown fields of science or want spend an hour reading a good novel. we offer you such opportunity. you can download Steam boiler

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Boiler Questions and Answers regarding Your Boiler

Let me know if we can answer any other questions for you. Question 7. I observed that some industrial plants having small package boilers do not practice deaerator system. What should be the boiler rating requirement to have deaerator. Answer. Thank you for your question. We suggest using a deaerator when: 1. Your boiler plant operates over 75 psig

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Boiler Questions and Answers with PDF for Operator 1. A wet vapor can be completely specified by (a) pressure only (b) temperature only (c) dryness fraction only (d) specific volume only (e) pressure and dryness fraction. Ans: e 2. On Mollier chart, the constant pressure lines (a) diverge from left to right (b) diverge from right to left

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Boiler Questions and Answers with PDF for Operator

Boiler Questions and Answers with PDF for Operator 1. A wet vapor can be completely specified by (a) pressure only (b) temperature only (c) dryness fraction only (d) specific volume only (e) pressure and dryness fraction. Ans: e 2. On Mollier chart, the constant pressure lines (a) diverge from left to right (b) diverge from right to left

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Multiple Choice Questions on Steam Boilers and . 2019-6-4 · Multiple Choice Questions on Steam Boilers and Engines - Set 16 MCQ Steam Boilers Edit Practice Test: Question Set - 16. 1. The air pressure at the fuel bed is reduced below that of atmosphere by means of a fan placed at or near the bottom of the chimney to produce a . Get a quote

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