Gas boiler Three control technology to achieve low nitrogen: from the current form, the gas-fired boilers achieve low NOx combustion is the trend of social development, but also an important step to reduce air pollutant emissions.
In early November, Luyi County, Henan Province Quality Supervision Bureau organized a safety inspection activities on the boiler in the area, ensure the safe use within the jurisdiction of the boiler in winter.
The main focus of inspection units use boilers to see through the following points:
First, the use of registration, maintenance, periodic testing situation.
Second, the establishment and implementation of the system and the rescue plan.
Third, if the boiler worker certificates.
Fourth, the operation of the boiler water treatment facilities.
To date, Luyi County Quality Supervision Bureau has complete supervision and inspection work on 11 units in the boiler, the inspection found problems and risks, monitor the instruction issued according to the law, clearly boiler rectification matter and time.
Determination of Gas boiler water on a gas introduced through a gas boiler incineration operations: incineration of carbon-based fuels thereof containing oxygen, carbon dioxide and steam occurs, escape from the top or the side of the stack, it referred to as a flue. Such planning trouble is that a lot of heat can escape from the exhaust gas. Escape the heat means wasting energy, it will cost you money. Another system is known as the condensing gas boiler, the flue gas passing through a heat exchanger, which heats cold water from the heat sink back, the exhaust gas temperature after the recovery of only about 60 ℃, so heat power probably increased by about 10%, savings of natural gas by about 10%, while the energy recovery process, you can also reduce harmful gas emissions, reduce environmental pollution. Condensing gas boilers like this can reach more than 90% power (more than 90% of the original energy into energy to heat your room or hot water). How to compare the traditional and the modern, non-condensing gas boiler condensing gas boiler 1, different incineration technology. Condensing boiler operation under normal operating conditions, gas and fresh air was mixed burning, burning completely high power, low emission targets. However, the practice is not possible to reach the gas-fired boiler burning thorough mixing ratio, a large heat loss, but condensing boiler does not present this problem. Condensing boiler with a new technology, high cost, so its price will be higher than the average boiler. 2, the use of different age. Since the conventional gas boiler incinerator, burning chamber and other key components, plus water quality and other issues, will make use of the product life decline. With inlet incinerator normally condensing boiler service life due to its advanced technology, the use life is generally greater than a conventional gas boiler. 3, different energy saving. Usually conventional gas boiler heating power can reach only 92%, because the conventional high-temperature exhaust gas boiler, the fuel burned in the water occurs when superheated steam conditions in the flue gas, is lost with the flue gas from the stack, reducing thermal power. Condensation boiler thermal power is greater than 95%. During incineration may be the exhaust gas temperature is reduced to 50 ~ 70 ℃, it is very energy efficient. Water quality measurement process and the measurement gas boiler 1 chloride specification taken in boiler water 100ML measuring cylinder 250ml conical flask, to participate in 2-3 drops of phenolphthalein indicator, was pink, then titrated with sulfuric acid to colorless, participate 2-3 dropwise potassium network indicator, standardized silver nitrate solution was titrated to red jujube, the volume number of the silver nitrate consumed record, namely 35.5 multiplied chloride specification: 4002 Determination of chloride less alkalinity boiler water take measuring cylinder 100ml to 250ml conical flask, to participate in 2-3 drops of phenolphthalein indicator, the solution was pink, was titrated with sulfuric acid to regulate just colorless, then add 2-3 titration methyl orange indicator, titrated with sulfuric acid continued to orange red stopped, the volume of sulfuric acid consumed number record, the size of this measured value is equal to 3 hardness alkalinity boiler water 100ml measuring cylinder taken to a 250ml Erlenmeyer flask, to participate in a few grains Los black T indicator, then add 2 -3 dropwise ammonia - ammonium chloride buffer solution with standardized EDTA solution was titrated to a wine red solution turns blue end record number EDTA solution volume consumed, this value is equivalent to the size of the boiler water hardness. Specification: Hardness: Determination steam oven 0.6mmol per liter or less per liter of the water heater 4 pH measured 0.03mmol Specification PH test paper: PH value: 10-12
Gas-fired steam boiler steam boiler is the main boiler gas residential and commercial water boiler water is a major commercial and residential water water. However, in recent years, from the perspective of a boiler explosion and boiler corrosion point of view, a lot of steam 9900 kw vertical hot water boiler prices workers in the Year of the maintenance and use of mechanical and electrical boilers or aging boiler is not very familiar with. Therefore, mechanical and electrical technicians paper introduces the steam hot water boiler water quality standards. 1. Installation Requirements Before installing the unit must have the technical strength, installation construction design, installation and construction to develop network solutions. Supervision Engineer organizational design, manufacture and construction units, technical exchanges and coordination in accordance with the specific circumstances of the pumping station. Installation construction design approval after the start supervising engineer will issue an order allowing the construction unit to enter the construction site for installation. The establishment of the construction unit, the establishment of a single person in charge of the project, clear terms of reference, unified command. The installer should carefully study information technology, familiar with the drawings in procedures, standards and relevant technical regulations, master installation steps, methods and requirements, the quality of the installation meets the design requirements. 2. Install the program installation program is a major part of the construction work. Content includes: installation, installation plans. Installation should be clearly defined plan and construction schedule in the installation program. The entire project individual items, sub-items and quantities should be listed. Lord, in a second phase should be separated, and then arrange the construction period, personnel structure and the various stages of construction. The main task is to work together to make progress of each project and interrelated. The main requirement gas steam boiler is as follows: 1. When the rated boiler evaporation is greater than or equal to 6t / h, degassed respond boiler. If the amount is less than rated evaporation gas steam boiler 6t h /, if found localized corrosion, water should be used deoxy measures the oxygen content of boiler feed water and steam turbine. Should be less than or equal to 0.05mg / L.2. If it is difficult to determine the dissolved solids, by measuring the conductivity or chloride ions (C1) indirect control, but the relationship between the dissolved solids or conductivity and of Cl- chloride It should be based on the proportion in the test. determine. The relationship between the ratio should be periodically retested and corrected. 3. You can control the relative basicity of the whole welded structure of the boiler. 4. evaporation rated less than or equal 2t / h, rated steam pressure is 1.0MPa or less hot water boilers and steam boilers dual water steam (e.g., steam and no special requirements for the water quality) may also be used treatment pot. However, it is necessary to supervise scaling, corrosion and water steam hot water boiler, and make ingredients, water and cleaning.
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