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Boiler model

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1、 Boiler selection

1. Selection of steam boiler

Basic parameters: steam quantity per unit time (power, steam ton), steam temperature (usage), fuel type, boiler room size, etc.

2. Selection of hot water boiler

Basic parameters: unit time hot water quantity (power, kW), whether the boiler is under pressure, hot water temperature (usage), fuel type, boiler room size, etc.

3. Selection of pressure hot water boiler

Basic parameters: unit time hot water quantity (power, kW), hot water temperature (usage), fuel type, boiler room size, etc.

4. Selection of atmospheric pressure hot water boiler

Basic parameter data: unit time hot water quantity (power, kW), hot water temperature (use purpose), fuel type, etc., atmospheric hot water boiler does not need to build a special boiler room.

5. Heat transfer oil boiler (organic heat carrier boiler)

Basic parameters: heat production per unit time (power, kcal / h), output operating temperature, fuel type, boiler room size, etc.

 Boiler model

2、 Meaning of boiler model

What does the boiler model mean? What is the meaning of boiler model? When purchasing boilers, users will inevitably have all kinds of questions about all kinds of boilers. Boiler models are composed of letters and numbers. Users who do not often contact with boilers will find it difficult to understand the specific meaning of boiler models.

In the boiler industry, there are thousands of kinds of boilers. Boiler power, boiler combustion form, boiler fuel form, boiler appearance form, boiler pressure form and other factors determine the different types of boilers, and the significance of boiler models is actually to express the main parameter information of corresponding boilers. In this paper, some common boiler models are illustrated for you, hoping to help you.


Examples of some boiler models and names
Steam boiler Boiler model WNS1-1.25-Q(Y) SZS6-1.25-Q(Y) DZH0.5-1.25-T DZL0.5-1.25-T SZL4-1.25-T LDR0.5-0.7 WDR1.0-0.7
name WNS type 1 ton gas (oil) steam boiler SZS type 6 ton gas (oil) steam boiler DZH type 0.5T biomass steam boiler DZL type 0.5T biomass steam boiler SZL 4 ton biomass steam boiler LDR vertical 0.5T electric steam boiler WDR horizontal 1 ton electric steam boiler
Pressurized hot water boiler Boiler model WNS0.7-0.7-95/70-Q(Y) SZS7-1.0/115/70-Q(Y) DZH0.35-1.0-115/70-T DZL0.35-1.0-115/70-T SZL4.2-1.0-115/70-T WDR0.35-0.7/95/70 WDR0.70-0.7-95/70
name WNS type 1 ton gas (oil) pressure hot water boiler SZS 10 ton gas (oil) pressure hot water boiler DZH type 0.5T pressurized biomass hot water boiler DZL type 0.5T pressurized biomass hot water boiler SZL type 6 t pressure biomass hot water boiler WDR horizontal 0.5T pressure electric hot water boiler WDR horizontal 1 ton pressure electric hot water boiler
Atmospheric pressure hot water boiler Boiler model CWNS0.7-95/70-Q(Y) CWNS1.4-95/70-Q(Y) CDZH0.35-85/60-T CDZL0.35-85/60-T CSZL4.2-85/60-T CLDR0.35-95/70 CWDR0.70-95/70
name WNS (1 ton) gas fired hot water boiler WNS type 2 ton normal pressure gas (oil) hot water boiler DZH type 0.5T normal pressure biomass hot water boiler DZL type 0.5T normal pressure biomass hot water boiler SZL type 6 ton normal pressure biomass hot water boiler LDR vertical 0.5T atmospheric hot water boiler WDR horizontal 1 ton atmospheric electric hot water boiler
Vacuum hot water boiler Boiler model ZZJ30-Q(Y) ZZJ240-Q(Y) ZLJ300-Q(Y) ZLJ600-Q(Y) ZLJ900-Q(Y)    
name 0.5T vacuum gas (oil) hot water boiler 4 ton vacuum gas (oil) hot water boiler 5T vacuum gas (oil) hot water boiler 10 ton vacuum gas (oil) hot water boiler 15t vacuum gas (oil) hot water boiler    
Heat transfer oil boiler (organic heat carrier boiler) Boiler model YQ(Y)W-350-Q(Y) YGL-350T YGL-350MA YLW-1400T YLW-1400MA    
name 300000 kcal gas (oil) heat transfer oil boiler 300000 kcal vertical biomass heat transfer oil boiler 300000 kcal vertical coal fired heat transfer oil boiler 1.2 million kcal horizontal biomass heat transfer oil boiler 1.2 million kcal horizontal coal fired heat transfer oil boiler    

1. WNS boiler

In the model, w means "horizontal", that is to say, the shape of the boiler is horizontal structure, n means "internal combustion", which indicates that the boiler is a chamber fired boiler, and s means "three return passes", which means that the flue gas circulation of the boiler adopts the design principle of three return passes to fully absorb the heat of flue gas, improve the fuel utilization rate of the boiler and reduce the boiler The exhaust gas emission of.

The common WNS type boilers include WNS gas fired boiler and WNS oil fired boiler. They also include WNS gas (oil) steam boiler, WNS gas (oil) atmospheric pressure hot water boiler and WNS gas (oil) pressure hot water boiler respectively

① Wns1-1.25-q (y) is a 1 ton WNS type gas (oil) steam boiler. The number in the model successively indicates the steam output efficiency of 1 steam ton per hour and the rated pressure of the boiler is 1.25mpa. Q refers to gas fuel and Y refers to fuel oil;

② Wns0.7-0.7-95 / 70-q (y) is a 1 ton WNS type gas (oil) pressure hot water boiler. The number in the model is successively expressed as the rated power of the boiler is 0.7mw, the rated pressure of the boiler is 0.7MPa, the rated outlet temperature and return water temperature chamber of the boiler are 95 ℃ and 70 ℃;

③ Cwns0.7-95/70-q (y) is a 1 ton WNS gas (oil) atmospheric pressure hot water boiler, C means "atmospheric pressure". Atmospheric pressure hot water boiler is not pressure bearing, so there is no rated working pressure value.

2. SZS boiler

In the model, the former s refers to the form of "double drum", Z refers to the meaning of "longitudinal type", that is, the appearance of the boiler is longitudinal structure, and the latter s refers to "three return", which is the same as WNS boiler.

The common SZS type boilers include SZS gas fired boilers and SZS oil fired boilers. Referring to WNS boilers, SZS boilers are also divided into steam boilers, atmospheric hot water boilers and pressurized hot water boilers.

3. LDR and WDR electric boilers

The difference between LDR type electric boiler and WDR type electric boiler lies in "L" and "W". L stands for vertical structure and W stands for horizontal structure.

No matter vertical electric boiler or horizontal electric boiler, electric boiler is divided into electric steam boiler, atmospheric pressure electric hot water boiler and pressure electric hot water boiler. The meaning of numbers in different sizes and sizes of boiler models can refer to the explanation in WNS type boiler above.

4. DZH biomass boiler DZL biomass boiler SZL biomass boiler

D means "single drum", the boiler body has only one drum, Z means "longitudinal type", which means the appearance structure of the boiler, H means "movable grate", which means that when the boiler uses movable grate, it is necessary to control the activity of the grate separately to control the combustion of biomass boiler; l refers to the meaning of "chain grate", which is different from the movable grate The chain grate is a mechanized and automatic type of grate. The activity of the grate is integrated with the operation of the boiler without additional control.

Each type of biomass boiler is also divided into corresponding steam boiler, atmospheric pressure hot water boiler and pressure hot water boiler. The numerical meaning of boiler model is the same as that mentioned in WNS boiler above.

5. YY (q) W type heat conducting oil furnace YGL type heat conducting oil furnace YLW type heat conducting oil furnace

Heat conducting oil furnace is also called organic heat carrier boiler. The former y specially guides the hot oil furnace. Y and Q in the middle refer to fuel oil and gas fuel, and G in the middle means "fixed grate", that is to say, the grate of the boiler is not movable. Small vertical heat transfer oil furnaces are of this grate structure. In YGL type and YLW type, l and W of the third letter refer to the appearance of vertical and horizontal boilers respectively Structure.

YY (q) W type heat conducting oil furnace refers to oil fired heat conducting oil furnace and gas heat conducting oil furnace, while YGL type heat conducting oil furnace and YLW type heat conducting oil furnace are both suitable for biomass fuel and coal-fired fuel, namely, they are divided into biomass heat-conducting oil furnace and coal-fired heat-conducting oil furnace.