In less than 3 months, it is the heating season in my country. The gas-fired hot water boiler can be said to be the necessary heating and heating equipment for the heating season. Many users of heating companies are also rushing to purchase boilers. For users, the purchase price of gas hot water boilers is more concerned. The corresponding prices of gas hot water boilers of different tonnages are also different. Just listen to Zhengzhou Fangkui Boiler Factory for you.

The price of gas-fired hot water boilers, judging from the current boiler market, the price of the boiler body ranges from tens of thousands to hundreds of thousands, millions, which does not include the cost of product installation and commissioning and the cost of auxiliary equipment such as boiler burners. If these two aspects are added, there may be more. But in general, the larger the tonnage of the boiler, the higher the price; the better the performance of energy saving and environmental protection, the higher the price.

For such boilers as gas-fired hot water boilers to operate properly, some auxiliary equipment is necessary. These auxiliary equipment mainly include burners, various valves and instruments, feed water pumps, sub-cylinders, boiler water samplers, oil tanks, water tanks, oil injection pumps and filters, etc.

The 2100KW gas-fired hot water boiler, specifically speaking, means that the boiler's rated thermal power is 2100MW, or 2.1MW, which is about 3 tons when converted to boiler tonnage.

Steam boiler is a type of boiler that outputs a large amount of steam. It supports the use of coal, biomass, oil, gas, electricity and other fuels. Depending on the fuel, the boiler is also divided into multiple models. In recent years, environmental protection problems have gradually been exposed, and various provinces and cities are also actively managing the atmospheric environment.

From the professional point of view, boilers such as gas-fired steam boilers are an environmentally friendly boiler compared to biomass and coal-fired boilers, because they use gas, and only a small amount of nitrogen oxides and water are produced after combustion. The environmental protection factor is very high. Moreover, the thermal efficiency of this type of boiler is very high, reaching more than 90%. The gas-fired steam boiler introduced by Zhengzhou Fangkui Boiler Factory incorporates international advanced condensing technology, and the thermal efficiency can reach more than 95%, which can save users a fuel cost.

Power steam boiler and gas steam boiler, if the structure of these two boilers are compared, the power steam boiler is simpler, and the boiler price is lower. Since there are gas supply, flue gas and storage systems in the gas steam boiler, its structure is more complicated and the price will be higher. However, considering the situation of electric steam boilers, generally only about 4 tons, you can choose to use multiple electric steam boilers together, or choose a large-tonnage gas steam boiler, this still depends on the actual situation of the company itself decided.

Oil-fired hot water boilers are a common type of boiler equipment in the heating season. The boilers have high operating efficiency and relatively low pollutant emissions. Moreover, oil fuels are easily available in any region of China, and there is no difficulty in using fuel. The problem. So, what problems should be paid attention to when using oil-fired hot water boiler for heating in winter? Let Zhao Gong, a boiler technology expert from Zhengzhou Fangkui Boiler Factory, tell you the answer.

Oil-fired hot water boilers should be noted when heating in winter: the boiler room should take into account the possibility of development and expansion, and the location of its auxiliary room should not hinder the development of the boiler room. If the boiler room is in the plant area and living area, it is generally closed, but it can be arranged in the open air in the dust removal and air induction parts.

Adjustment aspects and adjustment of work size or switching pressure control debugging in oil-fired boilers: under normal circumstances, it is 0.9MPa to small fire, 0.8MPa to big fire. Automatic furnace shutdown and start-up: when the working pressure is 0.8-1MPa, it is adjusted to 1.02MPa to stop the furnace and 0.82NPa to start the furnace.

Overpressure alarm: it is generally 0.05MPa higher than the normal automatic furnace shutdown pressure setting.

High water level alarm: generally set to enter the water level warning state when the distance from the upper part of the water meter is less than 25mm.

Limit low water level shutdown: different boiler manufacturers, their settings will be different, however, the general principle is that the water tube boiler can not be lower than each drop nozzle.

Automatic pump start and stop control: generally set about 25mm above and below the center of the water level gauge.

Fuel pressure setting: heavy oil is 1.8-2.2MPa, light oil is 1.6-1.8MPa.

Fuel temperature setting: if it is light oil, no heating is required, if it is heavy oil, heating control is required. In addition, the daily fuel tank temperature is 60 to 80 degrees, and the burner temperature is controlled within the range of 95 ℃-110 ℃.

Smoke exhaust temperature: The smoke exhaust temperature of the oil-fired boiler is 220℃-240℃, and the super smoke alarm temperature is set at about 280℃.

For industrial boilers, the level of operating efficiency will directly determine the overall cost of operating boiler equipment. The higher the operating efficiency, the lower the operating cost of the boiler, and the higher the operating cost. Most industrial boilers have large tonnages. The larger the tonnage, the greater the difference in operating costs. Therefore, when using industrial boilers, not only do you have to choose good quality boilers, but also pay attention to methods in subsequent operations to improve boiler efficiency.

Zhengzhou Fangkuai Boiler Factory tells you: if you want to improve the efficiency of industrial boilers, you can achieve them in two ways. One is to adjust the operation mode of the boiler to minimize various losses; but to appropriately increase the steam parameters of the boiler, and Appropriately reduce the amount of boiler cooling water and blowdown.

Before the operation of the industrial boiler, the oven operation is also required. This step is to allow the boiler to heat up slowly, so as to avoid excessive temperature difference stress caused by the rapid heating of the bottom of the furnace, and further damage the furnace or cause the furnace to burst. This is also a protection for the boiler.

Industrial boilers are widely used, and can be used normally in these industries such as manufacturing, mining, construction and power heating industries. The factories that can be used include textile mills, garment factories, garment factories, printing and dyeing factories, and beverage factories. , Soy Products Factory, Meat Products Factory, Canned Food Factory, Winery, Pharmaceutical Factory, Packaging Factory, Building Material Factory, Paint Factory, etc. In addition, this kind of boiler can also be used in hospitals, schools, large supermarkets, hotels, restaurants, swimming pools and other places.

From the professional point of view, the boiler ignition of industrial boilers is for heating, combustion and transition to normal combustion. The heating is to heat the material layer to a certain temperature for burning and other work. For all of us, we should know these three stages of boiler ignition, so that the boiler ignition can be carried out smoothly.

The heating season is approaching, and major heating companies are also making adequate preparations for the heating season. Among them, it is essential to be able to deliver warm heating equipment for thousands of households. Common heating equipment on the market includes hot water boilers and hot blast stoves. Are there any differences between these two types of boilers, which one is more suitable for heating and heating? Let Song Gong of Zhengzhou Fangkui Boiler Factory answer it for you.

The hot water boiler is a kind of boiler equipment, which achieves the effect and purpose of heating by heating hot water and circulating and dissipating hot water. Moreover, there are more tonnages and models of boilers, and there are more types for users to choose. It can be used for heating buildings or factories. The hot air stove is heated by air to achieve the purpose of heating. Generally, the tonnage of the hot air stove is relatively small. If it is used for heating, most of it is also home heating, which cannot support large-scale centralized heating and heating. It is often used for drying. aspect.

A 6-ton hot water boiler is a common heating and heating boiler, and its heat output is generally 1.8 million Kcal/H.

If the water is to be heated from 15°C to 100°C, then from the formula of 1.800000÷85=21176.4706L, it can be concluded that the boiler's water output per hour is about 21 tons.

The water tank used for hot water boilers is generally used to make up water for the boiler pipe network and to store demineralized or deoxidized water. And in the volume of the water tank, it should be determined by the amount of water supply and the requirements. In terms of specific types of water tanks, there are two types of softened water tanks and deaerated water tanks.

The burner can be said to be a very important auxiliary equipment in the oil-fired boiler. The quality of the burner can also affect the operation of the boiler and the discharge of pollutants. When equipping an oil-fired boiler with a burner, pay attention to purchasing a burner with a suitable model and capacity to avoid waste of resources caused by the mismatch between the burner and the boiler.

If the oil-fired boiler burns diesel, there are certain requirements when choosing a burner. It is necessary to achieve low energy consumption and small smoke emission, and to avoid the problem of polluting the atmosphere. If one of these points cannot be reached, some processing can be used to achieve the goal. However, at least the quality of the burner should be qualified, and good quality products should be used.

If it is a boiler with a relatively small tonnage, it is a matter of concern for many users to use electricity and oil fuel to save money. Small boilers can use both electricity and oil as fuel energy. However, when comparing the two in terms of consumption, it is still less oil than electricity (in the absence of electricity subsidies); and oil Similar fuels are widely distributed in China, and it is not troublesome to call them.

For a 1 ton oil-fired boiler, if it burns standard diesel, then the boiler's fuel consumption per hour can be calculated to be 65KG. And, the larger the boiler tonnage, the higher the combustion efficiency. This type of boiler is a type of boiler that is often used. In the choice of fuel, it can be light oil or heavy oil.

No matter how intelligent the boiler equipment is, it still needs the boiler operator to operate and maintain the boiler. Only some highly automated boilers only need one boiler worker, but if the boiler is not highly automated, it is necessary. Many furnace workers jointly manage, which will inevitably lead to an increase in labor costs. The boiler intelligence level of Zhengzhou Fangkui Boiler Factory is very high. Generally, only 1-2 boiler workers are required to complete the boiler maintenance and daily operation and maintenance work.

Do boiler operators have different working ranges for different grades?

According to the standard of "Boiler Safety Managers and Operators Assessment Outline", the regulations for boiler operators are divided into three levels of I, II, and III, and each A level of work scope. So, on this question, the answer is yes, and this is no doubt.

Does the boiler's scheduled water belong to boiler water or boiler feedwater?

The boiler's scheduled water belongs to the boiler water, not to the boiler feedwater, and it must be clear to us, so it cannot be sloppy.

What certificate do boiler workers need? How long can it be obtained?

The boiler operator who operates the boiler needs the certificate of the boiler, otherwise he cannot be employed. As for the acquisition method and time, generally speaking, it can be obtained within one week or one month.

At present, centralized heating is the preferred method of heating in most cities and regions. Compared with decentralized heating, it is more convenient and better controlled. The hot water boiler is the main heat energy equipment for central heating. Zhengzhou Fangkui Boiler Factory will come to briefly talk about this type of hot water boiler.

In central heating, if a gas-fired hot water boiler is used, how to select and quote?

In central heating, if a gas-fired hot water boiler is used, the type selection mainly depends on the heating area, and the specific type and specifications of the boiler are determined by the size of the heating area, so that the wrong selection can also be avoided. The quotation of this type of boiler is based on the tonnage of the boiler.

What is the 5 tons of 5 tons hot water boiler? And can the sewage outlet on the hot water boiler be omitted?

For a 5 ton hot water boiler, 5 ton refers to the thermal power of the boiler. If converted, it is equivalent to 3.5 MW. The sewage outlet on the hot water boiler must be connected, and there must be no omissions. Moreover, the location of the sewage is also different and cannot be treated uniformly.

The boiler model, which is expressed as WNS4.2-1.0/115/70-Q, what does it say?

If the boiler model is expressed as WNS4.2-1.0/115/70-Q, it means that this is a horizontal hot water boiler, because W refers to horizontal, N refers to internal combustion, and S refers to the room Burning. In addition, it can also be known that the heating capacity of the boiler is 4.2MW per hour, which is equivalent to 6 tons, and its rated pressure is 1MPa. In addition, the outlet and return water temperatures are 115°C and 70°C, respectively. Fuel is natural gas, liquefied gas, city gas and other gas fuels.

Coal-fired boilers account for half of the number of boilers used in my country, while gas-fired boilers are a rising star in recent years. These two types of boilers have their own advantages and disadvantages. Let's talk about the technical experts of Zhengzhou Fangkui Boiler in terms of performance comparison.

What are the obvious differences between coal-fired and gas-fired boilers?

For coal-fired and gas-fired boilers, if these two common types of boilers are compared, the differences between them are mainly:

Difference one: Coal-fired boilers require coal ash storage sites, while gas-fired boilers do not, because the fuel is gas.

Difference 2: When the coal-fired and gas-fired boilers work normally, their water consumption is almost the same. However, the gas-fired boilers can save on auxiliary water for dust removal and slag removal.

In the gas-fired boiler room, are there any regulations on the number of furnace workers? In addition, how should the comparison be made?

There is no specific requirement on the number of furnace workers in the boiler room of gas boilers. Moreover, this type of boiler can have a high degree of automation, so it can be managed in a unified manner. Therefore, only one furnace worker is required. As for the comparison between gas-fired boilers and other boilers, a comparable standard is required, that is, only two or more types of boilers can be compared before a conclusion can be drawn.

For a gas-fired boiler, if it produces 8.6 tons of hot water, how much natural gas can be saved by raising the boiler feed water temperature by one degree? On a gas boiler, if it is 1 ton of water, then the heat required to raise the temperature by one degree is 1000 kcal, and at this time, the gas consumption can be reduced. If the calorific value of natural gas is 8600 kcal, then for the above problem, the conclusion that can be obtained by calculation is that for every 8.6 tons of hot water produced, the amount of natural gas can be saved is 1 cubic meter.

Industrial boilers can provide a large amount of power output for users in the broad industrial field, but it will also be accompanied by a certain degree of danger. Therefore, when operating and using industrial boilers, certain safety regulations must be followed. In particular, the boiler operator who operates the boiler must have certain professional skills.

The heating value of a 10-ton boiler is equivalent to 6 million kcal. Therefore, if the calorific value of natural gas is calculated according to 8600 calories, then the amount of natural gas consumed per hour is about 700 cubic meters. Different boilers have different auxiliary machines.

In boiler equipment, if the different furnace types are different, then the ratio of fly ash to slag is different, so the answer to question 1 is different. For example, for a pulverized coal furnace, the proportion of fly ash is 90% and the proportion of slag is 10%. The boiler supervisor and boiler water tester must be certified to work, and must not violate this requirement.

In the waste heat boiler, if it is medium-pressure steam, the pressure is 0.93MPa and the temperature is 280°C; if it is low-pressure steam, the pressure is 0.7MPa and the temperature is 260°C. If the temperature of the condensate is too high, it needs to be cooled and treated before entering the boiler.

Electric hot water boilers are now relatively hot boiler equipment, especially at atmospheric pressure, which is safer to use and has no environmental problems. Today, Zhengzhou Fangkuai Boiler Factory will come to briefly talk about what type of boiler equipment the electric hot water boiler is.

Electric hot water boiler, also known as electric heating boiler, electric heating boiler, electric heating boiler, electric bath boiler, and electric bath boiler; this type of boiler uses electric heating technology and control system to produce hot water in order to meet heating or heating demand.

There are several methods for descaling an electric hot water boiler.

If the use of caustic soda, that is, sodium hydroxide, then heating and pressurizing, and to maintain a certain period of time before the waste water can be discharged.

Moreover, on different specifications of electric hot water boilers, the time required for descaling is different, for small boilers it is 24 hours, for large boilers it is more than 36 hours.

The circulating pump in a pressurized hot water boiler generally uses the control cabinet on the boiler, without the need to use a separate control cabinet unless there are special requirements. The 6-ton hot water boiler has a heat production of 1.8 million Kcal/H. However, this is a theoretical value, in actual work, there may be deviations. Therefore, everyone should pay attention.

A steam boiler is a device that outputs high-temperature steam. Regarding the relevant parameters of steam output, users should pay attention to two aspects: one is the rated evaporation, but it will leave a certain margin in the design of the boiler, generally It is 10% to 15%, or 20%. The second is the upper limit of the output, which has a certain relationship with the rated evaporation, but it is not equivalent.

What are the specific requirements for water level protection devices on steam boilers?

On steam boilers, the specific requirements for its water level protection device are: for steam boilers with a rated evaporation capacity of not less than 2t/h, high and low water level alarm devices and low water level interlock protection devices shall be provided. The steam boiler with a rated evaporation capacity of not less than 6t/h, in addition to these two, should also have a steam overpressure alarm and interlock protection device, which are indispensable.

Is there a stipulated requirement for the exhaust temperature of a steam boiler with a rated evaporation capacity of not less than 1t/h? In addition, what is the price of auxiliary equipment for this boiler? For a steam boiler with a rated evaporation capacity of not less than 1t/h, the exhaust temperature of the boiler must not exceed 170°C, and this must be strictly implemented. The basis is TSG G0002-2010.

The auxiliary equipment of the steam boiler is generally in the range of dozens to hundreds of thousands in terms of price. Specifically, it depends on the use requirements, specifications, and the number of uses. Moreover, its configuration is also divided into high-end and low-end.