CN218442223U - Three-return-stroke full-film wall-structure self-contained water pipe boiler - Google Patents
Three-return-stroke full-film wall-structure self-contained water pipe boiler Download PDFInfo
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- CN218442223U CN218442223U CN202222510347.3U CN202222510347U CN218442223U CN 218442223 U CN218442223 U CN 218442223U CN 202222510347 U CN202222510347 U CN 202222510347U CN 218442223 U CN218442223 U CN 218442223U
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Abstract
The utility model relates to a full membrane wall structure's of three return strokes complete water pipe boiler, the complete water pipe boiler of full membrane wall structure of three return strokes includes boiler body, energy-saving appliance and condenser set gradually in boiler body rear end, boiler body includes furnace and convection bank district, convection bank district sets up in the furnace left side, wherein, convection bank district is provided with the diaphragm type wall, convection bank district rear end is equipped with the outlet flue, energy-saving appliance and outlet flue intercommunication, the diaphragm type wall is divided into first flue and second flue with convection bank, the flue gas is in proper order through furnace, first flue, the second flue, the outlet flue, energy-saving appliance and condenser discharge. The utility model discloses a three-pass full membrane wall structure's self-contained water pipe boiler, simple structure is reasonable, has solved the problem of D type water pipe boiler installation of not being convenient for in long and narrow boiler room.
Description
Technical Field
The utility model relates to a boiler technical field, concretely relates to full membrane wall structure's of three return strokes complete dress water pipe boiler.
Background
The water tube boiler is an industrial boiler which is provided with a combustion chamber and a heating surface outside the boiler to cause water and steam to flow in a tube, the structure of the water tube boiler is complex, a steam-water system mainly comprises a boiler barrel, a header, a water-cooled wall, a convection tube bundle, an economizer, a superheater and the like, and a combustion system mainly comprises a combustor, a hearth, a flue, an air preheater and the like. Because the inner cross section of the water pipe boiler pipe is smaller than that of the pipe, the flow velocity of steam and water is greatly increased, and steam generated on the heating surface is immediately washed away, so that the heat absorption rate of boiler water is improved. Compared with a shell type boiler, the water pipe boiler has the advantages of small diameter of the boiler barrel, high working pressure, small boiler water capacity, light disaster in case of accident, good boiler water circulation, high evaporation efficiency, better performance of adapting to load change and higher thermal efficiency.
The commonly used D-type boiler is a water tube boiler, and is a schematic diagram of a common D-type boiler as shown in fig. 1, smoke in a hearth passes through a convection tube bundle and then flows out of the left side of the boiler and enters an economizer and a condenser, the width of the boiler is wide, the requirement on the width of a boiler room is high, and in the actual installation process, some boiler rooms are of long and narrow structures, the width is narrow, the length is long, and the common D-type boiler cannot be installed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a three return strokes are whole membrane wall structure's dress water pipe boiler, solve the problem that present D type boiler is not convenient for install in the narrower boiler room of width.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a self-contained water tube boiler with a three-return-stroke full-film wall structure comprises a boiler body, an energy saver and a condenser, wherein the energy saver and the condenser are sequentially arranged at the rear end of the boiler body; the boiler body includes furnace and convection bank district, the convection bank district sets up the furnace left side, wherein, the convection bank district is provided with the diaphragm type wall, convection bank district rear end is equipped with the outlet flue, the economizer with the outlet flue intercommunication, the diaphragm type wall will first flue and second flue are divided into to the convection bank district, and the flue gas is discharged through furnace, first flue, second flue, outlet flue, economizer and condenser in proper order.
Further, convection bank district includes the multirow convection bank that the interval set up, and the flat steel welding has between one of them row of convection bank, forms the diaphragm type wall.
Further, a smoke channel is arranged in the front of the convection bank area.
Further, the membrane wall is spaced from the front end of the convection bank zone to form the flue gas channel.
Furthermore, a flow guide area is arranged on the rear part of the boiler body.
Furthermore, no convection bank is arranged at the positions of the convection bank area and the rear end of the boiler body close to the hearth, so that the flow guide area is formed.
Furthermore, an access door is further arranged on the rear wall of the boiler body.
The utility model has the advantages that:
the utility model discloses a full membrane wall structure's of three return strokes complete dress water pipe boiler is through arranging economizer and condenser in boiler body rear end to through setting up the diaphragm type wall in convection bank district, the diaphragm type wall divides into first flue and second flue with convection bank, thereby changes the circulation route of flue gas, makes the flue gas can follow convection bank district rear end and discharges, thereby makes the boiler can adapt to the installation demand in long and narrow boiler room.
Drawings
FIG. 1 is a schematic view of a prior art D-tube boiler;
fig. 2 is a schematic view of the self-contained water tube boiler with a three-pass full-film wall structure according to the present invention.
Names corresponding to the marks in the figure:
1. boiler body, 11, furnace, 12, convection bank district, 121, membrane wall, 122, first flue, 123, second flue, 124, flue gas passageway, 125, convection bank, 13, diversion district, 14, outlet flue, 2, economizer, 3, condenser.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
as shown in fig. 1, the schematic diagram of the existing D-type water tube boiler includes a boiler body 1, an economizer 2 and a condenser 3, the economizer 2 and the condenser 3 are sequentially disposed on the left side of the boiler body 1, the boiler body 1 includes a furnace 11 and a convection bank zone 12, the convection bank zone 12 is disposed on the left side of the furnace 11, a smoke outlet 14 is disposed on the side of the convection bank zone 12, when in use, smoke enters the convection bank zone 12 through the furnace 11, and is finally discharged through the economizer 2 and the condenser 3, and the structure cannot meet the installation requirements of a long and narrow boiler room.
The embodiment of the utility model provides an in the self-contained water pipe boiler of three return strokes holofilm wall structures, through setting up the diaphragm type wall in convection bank district, change the flow direction of flue gas, set up economizer and condenser in boiler body rear end to the installation demand in long and narrow boiler room of adaptation.
Specifically, as shown in fig. 2, the self-contained water tube boiler of the three-pass full-film wall structure includes a boiler body 1, an economizer 2 and a condenser 3, the economizer 2 and the condenser 3 are sequentially arranged at the rear end of the boiler body 1, the boiler body 1 includes a furnace 11 and a convection bank area 12, the convection bank area 12 is arranged at the left side of the furnace 11, in the embodiment, a film wall 121 is arranged in the convection bank area 12, a smoke outlet 14 is arranged at the rear end of the convection bank area 12, the economizer 2 is communicated with the smoke outlet 14, and the convection bank area 12 is divided into a first flue 122 and a second flue 123 by arranging the film wall 121, so that the smoke outlet direction is changed.
Through the arrangement, in actual use, the flue gas is discharged through the hearth 11, the first flue 122, the second flue 123, the smoke outlet 14, the energy saver 2 and the condenser 3 in sequence, so that the boiler can adapt to the installation requirement of a long and narrow boiler room.
In this embodiment, convection bank district 12 includes multirow convection bank 125 that the interval set up, welds the band steel between one of them row convection bank 125, makes it form membrane wall 121 to reach the mesh to the flue gas direction, and this kind of setting can reform transform current D type boiler, can reduction in production cost.
In order to ensure smooth flue gas circulation, in the present embodiment, a flue gas channel 124 is provided at the front of the convection bank region 12, so that flue gas can flow from the first flue 122 to the second flue 123, in the present embodiment, the membrane wall 121 is not provided at the front end of the convection bank region 12, so that a certain distance is provided between the membrane wall 121 and the front end of the convection bank region 12, thereby forming the flue gas channel 124, and in actual production, flat steel is not welded on a part of the convection bank 125 at the front of the convection bank region 12.
Meanwhile, the flow guide area 13 is arranged at the rear part of the boiler body 1, so that the resistance of the circulation of the flue gas can be reduced, and the heat efficiency of the boiler can be improved.
In this embodiment, still be equipped with the access door on boiler body 1 back wall, be convenient for inspect the boiler is inside.
The working principle is as follows:
in actual production, flat steel is welded between one row of the convection bank 125 of the convection bank section 12 of the existing D-type boiler to form the membrane wall 121, and no flat steel is welded to a portion of the convection bank 125 at the front of the convection bank section 12 to form the flue gas channel 124. In actual use, the flue gas is reversed through the furnace 11, the first flue 122 and the flue gas channel 124, and is discharged through the second flue 123, the smoke outlet 14, the economizer 2 and the condenser 3.
The utility model discloses a three return strokes are full of membrane formula wall structure's complete dress water pipe boiler, simple structure is reasonable, has solved D type water pipe boiler and has not been convenient for the problem of installation in long and narrow boiler room.
Claims (7)
1. The utility model provides a three return strokes are whole membrane wall structure's self-contained water pipe boiler which characterized in that: the energy-saving boiler comprises a boiler body, an energy saver and a condenser, wherein the energy saver and the condenser are sequentially arranged at the rear end of the boiler body; the boiler body includes furnace and convection bank district, the convection bank district sets up the furnace left side, wherein, the convection bank district is provided with the diaphragm type wall, convection bank district rear end is equipped with the outlet flue, the economizer with the outlet flue intercommunication, the diaphragm type wall will first flue and second flue are divided into to the convection bank district, and the flue gas is discharged through furnace, first flue, second flue, outlet flue, economizer and condenser in proper order.
2. The three-pass full-membrane wall structured self-contained water tube boiler of claim 1, wherein: convection bank district includes the multirow convection bank that the interval set up, and the welding has the band steel between one of them row of convection bank, forms the diaphragm type wall.
3. The three-pass full-film wall structured self-contained water tube boiler according to claim 2, wherein:
and a smoke channel is arranged in the front of the convection bank area.
4. A three-pass full-membrane wall structured self-contained water tube boiler as claimed in claim 3, wherein: the membrane wall is spaced from the front end of the convection bank section to form the flue gas passage.
5. The three-pass full-film wall structured self-contained water tube boiler according to claim 4, wherein:
and a flow guide area is arranged on the rear part of the boiler body.
6. The three-pass full-film wall structured self-contained water tube boiler according to claim 5, wherein: and convection tubes are not arranged at the positions of the convection tube bundle area and the rear end of the boiler body, which are close to the hearth, so that the flow guide area is formed.
7. The three-pass full-film wall structured self-contained water tube boiler according to claim 6, wherein:
and an access door is further arranged on the rear wall of the boiler body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222510347.3U CN218442223U (en) | 2022-09-21 | 2022-09-21 | Three-return-stroke full-film wall-structure self-contained water pipe boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222510347.3U CN218442223U (en) | 2022-09-21 | 2022-09-21 | Three-return-stroke full-film wall-structure self-contained water pipe boiler |
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| Publication Number | Publication Date |
|---|---|
| CN218442223U true CN218442223U (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222510347.3U Active CN218442223U (en) | 2022-09-21 | 2022-09-21 | Three-return-stroke full-film wall-structure self-contained water pipe boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218442223U (en) |
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- 2022-09-21 CN CN202222510347.3U patent/CN218442223U/en active Active
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