For the gas boiler, sewage is a very important operation step, the natural gas boiler drainage is an important link to ensure that the use of continuous sewage discharge discharge of some salt dissolved in water, in order to maintain the boiler water salinity, alkalinity. Emissions are continuously expelled from the evaporation surface, which has the highest salt concentration in the pot water, also known as surface drainage.

Gas boiler sewage is also certain requirements and operation sequence, specific let Zhengzhou fangkuai boiler factory technical engineers to tell you the answer.

1. When sewage is discharged, it must be of high water level and low load (small external load). Steam pressure ≤kg/c; After the water level pump is started, replenish the furnace water to the high water level, and put the pump rotation button in the automatic position.

2. Open the quick discharge valve first, then open the slow discharge valve (slowly) to discharge; Switch between quick discharge valves several times (oscillate from bottom of furnace, discharge with water).

3. The pump will start (light) automatically in the sewage process and stop. First, close the drainage valve. When the quick drain valve is closed, hands must not be removed from the lever. Sewage may be repeated. When only two fixed drain valves are installed and no quick drain valves are available, open the right Angle valve first and then the fixed valve. When closed, note that there is no residual pressure between the two drain valves. Two methods of sewage. But the same furnace must be consistent, not one method today, tomorrow, one method, in order to protect a drainage valve in good condition, ensure safety.

Which enterprises need to use oil and gas steam boiler? The application of steam boiler is very wide, the output of high temperature steam plays an important role in production and use. But a lot of business units in the first contact with the boiler, for whether the need to use steam boiler is not very sure, let Zhengzhou fang fast boiler manufacturers to tell you the answer.

Oil and gas steam boiler is through the heat exchanger, the steam heat exchange to water, and then the water heating, can be used for heating, heating, bathing, production and other purposes.

Food industry: food processing, medicine industry and hospital bottle disinfection, food industry can be used for steamed meat, meals. Steam is also used to make wine.

In the petrochemical industry, steam can heat oil to a certain extent to increase good liquidity. Steam is also used in petrochemical production.

In production enterprises, the use of steam is relatively extensive, such as insulation foam board, production with steam heating raw materials for production. Furniture wood must be steam - dried to make furniture. The construction aerated brick also wants to use steam to dry, can also generate electricity, and so on.

Washing and ironing industry: dry washing machine, drying machine, laundry equipment, dehydrator, ironing machine, iron and other supporting equipment use.

Packaging machinery industry: labeling machine, set of labeling machine supporting the use.

Biochemical industrial manufacturers: food fermentation, reaction kettle, sandwich pot, mixer, emulsifier and other equipment supporting use.

Steam boiler and hot water boiler are two different types of boiler equipment, many users may use steam boiler in the early stage, later need to use hot water boiler, think of steam boiler can be changed into hot water boiler. Here, Zhengzhou fast boiler manufacturers solemnly tell you that this approach is not desirable, there are very big safety problems.

Problems existing in the conversion of steam boiler to hot water boiler:
       1. Cracks occur in the high temperature area of the tube plate
       After the reform, the hot water boiler usually forms a stagnant water flow at the back tube plate of the pot barrel, and becomes a stagnant water area. As a result, subcooled boiling and steam film are generated on the rear tube plate, leading to scale and cracking on the tube plate.
       2. Unreasonable installation of inlet pipe leads to bias flow and thermal deviation
       Due to the unreasonable layout of the return water pipeline into the boiler, such as the water inflow in the single header causes the flow deviation of each loop, which results in the thermal and hydraulic imbalance, resulting in the thermal deviation of the hot water boiler. Because the backwater only comes from the side head, and there is no water on the other side, the existence of thermal deviation will lead to short circuit flow, small resistance, flow pressure, large flow distribution.
       The other circuit can only rely on severe water differentials to keep the water circulating. The difference between hot and cold water in hot water boiler is small, so it is difficult to maintain the natural circulation of the loop and overcome the resistance of water flow, which leads to boiler water vaporization on the side of the water cooling wall, and even leads to the failure of water circulation and pipeline explosion.
       3, the flow of water resistance is too large, easy to vaporize
       Hot water from the boiler cannot be adequately fed into the system because of high water resistance. To reduce the flow resistance of boiler water. The original equipment in the drum, such as steam separator, baffle and device, should be removed to prevent the flow of media.

Whether it is an industrial steam boiler or an industrial hot water boiler, a large amount of water is used during operation. Reasonable selection of the water flowing into the boiler can effectively avoid the boiler scale phenomenon and prolong the service life of the boiler, which is enough to see the importance of water to industrial boilers. So, what are the requirements for the water used in an industrial boiler during operation? Let Song Gong from Zhengzhou Fangkuai Boiler Factory answer it for you.

Ordinary heating boilers can use tap water. The tap water can be produced by softening equipment, which can reduce the content of calcium and magnesium ions in the water, effectively prevent the formation of scale and extend the service life of the boiler!

Moreover, the use of water treatment facilities in the boiler has more than this benefit. The internal scale of the boiler is less, and the cleaning and maintenance costs will be reduced accordingly, so as to achieve the purpose of saving costs.

Condensing gas boiler, also known as condensing gas boiler, is a type of industrial boiler. It is a boiler that condenses the water vapor in the flue gas so that the latent heat of vaporization can be used to improve thermal efficiency. Condensing gas boilers are different from traditional boilers. , Especially there are big differences in design ideas and process principles.

Condensing steam boilers have extremely high operating efficiency and long service life. The condensing steam boilers of the Zhengzhou Fangkuai boiler manufacturer have been recognized and used by a large number of users once they were introduced into the market.

Industrial boilers are special equipment. During operation and user operation, if they are well maintained in operation, the service life of the boiler will be effectively extended, thereby improving the cost-effectiveness of the boiler. So, how many years is the service life of an industrial boiler considered normal? This is the doubt in the minds of many users. After all, everyone doesn't want to buy a new boiler, but it was suddenly scrapped after several years.

In fact, if you want to look at the service life of industrial boilers, the main factor is the overall quality of the boiler and the degree of user maintenance of the boiler.

Generally speaking, the industrial boilers on the market, according to the actual use effect, say that the steam boiler is about 8 years, the service life of high-pressure hot water is between 10-12 years, and the service life of atmospheric hot water is 3-5 years.

The actual life span is directly related to actual use and maintenance. Some atmospheric hot water can be used for more than 20 years if it is well maintained, but boilers that are not well maintained may be scrapped for a short time.

The industrial boilers of Zhengzhou Fangkuai Boiler Factory have Grade A production qualification and Grade 1 installation qualification. The steam boiler equipment provided by Sankeshu Paint Co., Ltd. has been used for 17 years. This number is very high in the entire boiler industry. Up.

The 8-ton steam boiler can output 8 tons of high-temperature steam per hour, and is used in chemical plants, food processing plants, pharmaceutical plants and other industries. The Zhengzhou Fangkuai boiler manufacturer reminds everyone that the 8 ton steam boiler is a special equipment, and safety must be put in the first place during use to avoid casualties and property losses.

Be sure to use demineralized water when the 8-ton steam boiler is in operation. The specific reasons are as follows:

To burn an 8-ton steam boiler, salt is used to soften the water. Boiler water generally contains a lot of impurities, mainly calcium and magnesium salts. Water that contains more calcium salt, magnesium salt, and hardness above 8 degrees is called hard water. Boil the boiler with hard water, it is easy to generate hard scale. The ability of scale to conduct heat is relatively poor. It hinders the conduction of heat to hot water and increases energy consumption. According to estimates, when the scale thickness is 5 mm, fuel consumption needs to increase by 15%. Scale has a corrosive effect on the boiler tube wall, and can also bulge due to overheating and deformation, or even burst the tube, causing serious equipment accidents; sometimes explosions occur, causing casualties to boiler workers and people near the factory. Therefore, when the boiler is in use, we must try to reduce the hardness of the water and turn it into soft water. This is the water treatment of the boiler.

It seems that water treatment facilities cost more money to run the boiler, but in fact, these inputs are ultimately returned to the user and the boiler itself. If the overall condition of the boiler is good, the operating condition will be very good, and the high operating efficiency will be maintained all the time, thus saving the user input costs.

From the names of atmospheric hot water boilers and non-pressure hot water boilers, we can distinguish that the former does not carry pressure and the latter carries pressure. This is a simple and intuitive difference. But in fact, there are many differences between the two types of boilers, and the applicable industry fields and operating locations are also different. Everyone should choose the appropriate boiler model according to their own needs for the hot water boiler, so that the boiler can work better for us. Xie Gong from Zhengzhou Fangkuai Boiler Factory introduced these two types of boilers to help everyone understand them more comprehensively.

In my country, atmospheric hot water boiler is also called pressureless hot water boiler, which means that the top of the boiler usually does not bear the static pressure of the water column of the heating system, which is equivalent to an "open hot water tank".

The meaning of atmospheric hot water boiler is that the opening of the boiler body communicates with the atmosphere. Under any working conditions, the boiler whose gauge pressure is zero at the boiler water level line; the boiler product model of atmospheric boiler is composed of three parts, and each part is connected by a short horizontal line.

Pressurized hot water boilers are the closed boilers we usually see. The steam and water system in the boiler is composed of closed containers and pipes, heated by flames, and subjected to fluid pressure during work, and belongs to special equipment.

The standard steam of the boiler refers to controlling the pressure and flow rate of the boiler in strict accordance with the process indicators. Steam includes saturated steam and superheated steam, which are divided into low pressure, medium pressure and high pressure steam.

For every user who uses a gas boiler, the operating efficiency is a very important figure, which is related to the operating status of the boiler and the input cost of each boiler user. Zhengzhou Fangkuai boiler manufacturer reminds you to ensure that the boiler can be completely burned, so as to ensure that the gas boiler has high efficiency.

For gas boiler equipment, complete combustion means that all combustible components in the fuel produce combustion products that can no longer be oxidized after combustion, which is called complete combustion.

Since there is complete combustion, it corresponds to incomplete combustion. Incomplete combustion refers to the combustion of combustible components in the combustion products produced by the fuel after combustion.

If the fuel is incompletely burned, not only will it not exert all the fuel's heat energy, but the incomplete combustion will bring about very serious pollution, which is bad for the environment and the users themselves.

Therefore, the two manufacturers in Zhengzhou Fangkuai once again remind you that you must pay attention to the fuel combustion state of the gas boiler during operation, avoid incomplete combustion, and improve the efficiency of the boiler.

According to the different steam output status of the steam boiler, the steam boiler is divided into saturated steam and superheated steam. The boiler equipment selected by users under different needs is also different. If you want to choose a suitable boiler model, you must first have an understanding of these two types of boilers.

First of all, the saturated steam boiler refers to: when water is heated to boiling under a certain pressure, the water begins to vaporize and gradually becomes steam. At this time, the temperature of the steam is equal to the saturation temperature. The steam in this state is called Saturated Vapor.

Water under a certain pressure corresponds to a saturation temperature. This temperature is related to the pressure. The higher the pressure, the higher the saturation temperature; on the contrary, the lower the pressure, the lower the saturation temperature. For example, when the pressure is 0.10MPa (1atm), its saturation temperature is 99.09°C; when the pressure is 4.05MPa (40atm), its saturation temperature is 249.18°C; when the pressure is 10.13MPa (100atm), its saturation temperature is 309.53°C .

The superheated steam boiler means that if the saturated steam continues to be heated, its temperature will rise and exceed the saturation temperature under the pressure. This kind of steam exceeding the saturation temperature is called superheated steam.

Therefore, when selecting steam boilers, you may wish to have a certain understanding of the steam temperature you need, so that you can quickly and accurately screen out a steam boiler that is really suitable for you.

Steam boilers and hot water boilers are two different types of boilers. The former outputs high-temperature steam and the latter outputs high-temperature hot water. The user groups and uses are also different. When our Zhengzhou Fangkuai boiler manufacturer was docking with many users, we received feedback from users: The hot water boiler used before is no longer needed, can it be directly changed to a steam boiler to continue using it.

Here, Song Gong, the boiler technical engineer of the Zhengzhou Fangkuai boiler manufacturer, solemnly responded to everyone that this is not allowed, and it is very dangerous for the operation of the boiler and the users themselves.

First of all, the safety and technical specifications of hot water boilers and steam boilers are different, and the design and manufacturing standards are different. If the hot water boiler is changed to a steam boiler without authorization, it is easy to cause poor operation of the boiler, thereby harming it. To the operating effect of the boiler.

In addition, the structures of hot water boilers and steam boilers are different. If they have to be changed, many parts will be subjected to different pressures, which will also harm each part of the boiler.

Therefore, everyone should pay attention not to change the hot water boiler and steam boiler without authorization. If your boiler does not want to be used, you can sell it as a second-hand boiler and save part of the input cost.

Depending on the medium, gas boilers can output high-temperature steam or high-temperature hot water, but the same thing is that all boilers use gas fuel as the main fuel. In this way, the safe operation of the boiler is involved. The after-sales service engineer of the Zhengzhou Fangkuai boiler manufacturer deliberately summarized the implementation standards for the safe operation of gas boilers, hoping to help everyone.

First of all, all personnel operating boilers must be familiar with the performance of the boiler they operate and relevant safety knowledge, and hold a certificate to work; non-personnel are strictly prohibited to operate. The personnel on duty shall strictly follow the regulations and carefully prepare the operation records and shift records. The shift shall clarify the safety conditions of equipment and operations. Check whether the boiler is in good condition during the shift.

It is necessary to ensure that the boiler and safety accessories shall be qualified and within the validity period.

Preparation work before starting gas boiler:
       ① Check whether the gas pressure of the gas stove is normal, not too high or too low, and open the oil and gas supply throttle;
       ② Check whether the water pump is filled with water, otherwise open the air release valve until the pump is filled with water. Open each section of the water supply system (including the front and back of the pump and the water supply section of the boiler);
       ③ Check the water level gauge, the water level should be in the normal position, the water level gauge and the water level color plug should be in the open position to prevent false water level, if there is water shortage, the water can be filled manually;
       ④ Check the valves on the pressure pipes, they must be opened, and all the wind deflectors on the flue must be opened; ⑤ Check that each knob on the control cabinet is in the normal position;
       ⑥ Check that the outlet valve of the steam boiler should be closed, and the outlet valve of the circulating water pump of the hot water boiler should also be closed;
       ⑦ Check whether the water softening equipment is operating normally and whether the various indexes of the soft water produced meet the national standards.

Start-up work of gas boiler:
       ① Turn on the main power supply;
       ② Start the burner;
       ③ The air release valve on the drum is closed when all steam is coming out;
       ④ Check boiler manholes, hand-hole flanges and valves, and tighten the leaks. If there is leakage after tightening, stop the furnace for maintenance.

Gas boilers are divided into gas-fired hot water boilers and gas-fired steam boilers. Depending on the output medium, the two are also used in different industries. After we purchase the gas boiler, it may not be operated 24 hours a day, 365 days a year. The boiler may be temporarily shut down due to the construction period or other aspects. The Zhengzhou Fangkuai boiler manufacturer summarized the shutdown treatment of the two types of gas boilers, hoping to help everyone's boiler equipment to run more durable.

1. Normal shutdown operation of gas hot water boiler:
       ①Turn the "Load high fire/small fire" nob to "Small fire";
       ②Turn off the burner;
       ③ Close the fuel supply valve;
       ④ Closed flue baffle;
       ⑤ After the boiler outlet water temperature drops to 50℃, close the outlet valve of the circulating pump;
       ⑥ Stop the circulating pump.

2. Emergency shutdown operation of gas hot water boiler:
       ①Close the inlet and outlet valves of the boiler;
       ②Open the emergency discharge valve and emergency water supply valve;
       ③Turn off the main power switch;
       ④Notify superiors.