CN218672145U - Boiler pipe frame structure - Google Patents
Boiler pipe frame structure Download PDFInfo
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- CN218672145U CN218672145U CN202222945380.9U CN202222945380U CN218672145U CN 218672145 U CN218672145 U CN 218672145U CN 202222945380 U CN202222945380 U CN 202222945380U CN 218672145 U CN218672145 U CN 218672145U
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Abstract
A boiler pipe frame structure comprises a boiler barrel and a hearth pipe frame, wherein a front smoke box and a rear smoke box are respectively arranged at the front and the rear of the boiler barrel, the front smoke box and the rear smoke box are connected through a plurality of smoke passing pipes which penetrate through the boiler barrel, the rear smoke box is connected with a smoke outlet pipe, and the hearth pipe frame comprises a main frame consisting of a left lower collecting pipe, a right lower collecting pipe, a left upper collecting pipe, a right upper collecting pipe, a front lower transverse pipe, a rear lower transverse pipe and a front upper transverse pipe; left and right outer wall pipe rows are wrapped on the left and right sides of the main frame; a middle lower header pipe and a middle upper header pipe are arranged in the main frame; the upper and lower header pipes are connected with the boiler barrel upwards through a plurality of boiler barrel connecting pipes, the left and right outer wall pipe rows and the fins connected between the pipe rows form a left and right outer wall, and a blocking structure for preventing smoke from rising is arranged between the left and right outer wall pipe rows and the adjacent left and right upper header pipes; the main frame is arranged in the first flue gas return passage and the second flue gas return passage, so that the radiation heating surface of the hearth is greatly increased, the heat absorption effect is improved, and the main frame has the characteristics of small volume, large output, energy conservation and high efficiency.
Description
Technical Field
The utility model relates to a steam generation equipment, especially a boiler tube rack structure.
Background
The traditional gas-fired boiler, especially a large-tonnage boiler, is generally large in volume; in the prior art, a frame type boiler with a single-layer tubular outer wall structure is mostly adopted, but the heat is heated by radiation in a small area, and the heat efficiency is generally low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to prior art not enough, provided a small, exert oneself big, boiler tube rack structure that the thermal efficiency is high.
The to-be-solved technical problem of the utility model is realized through following technical scheme, a boiler pipe support structure, including drum and furnace pipe support, smoke box and back smoke box before being equipped with respectively around the drum, connect through a plurality of tobacco pipes to the passing in the drum between preceding smoke box and the back smoke box, the tobacco pipe is connected out to the back smoke box, and its characteristics are:
the hearth pipe frame comprises a main frame consisting of a left lower header pipe, a right lower header pipe, a left upper header pipe, a right upper header pipe, a front lower transverse pipe, a rear upper transverse pipe and a front upper transverse pipe; the left side and the right side of the main frame are coated with left and right outer wall tube rows;
a middle lower header pipe and a middle upper header pipe are arranged in the main frame; the upper middle header pipe is upwards connected with the boiler barrel through a plurality of boiler barrel connecting pipes, a water supply pipe is arranged at the rear part of the main frame, and the water supply pipe is provided with a left section and a right section and is respectively connected between the left lower header pipe and the right lower header pipe and the middle lower header pipe;
a lower wall pipe is connected between a left lower header pipe and a middle lower header pipe, a ceiling pipe is connected between a left upper header pipe and a left upper header pipe, a left wall pipe is connected between the left lower header pipe and the left upper header pipe, a right wall pipe is connected between the right lower header pipe and the right upper header pipe, a front wall pipe is connected between a front lower transverse pipe and a front upper transverse pipe (the left side and the right side between the front lower transverse pipe and the front upper transverse pipe), a rear wall pipe is connected between the rear lower transverse pipe and the rear upper transverse pipe, a rear upper wall pipe is connected between the rear upper transverse pipe and a boiler barrel upwards, the lower ends of the left and right outer wall pipe rows are respectively connected and communicated with the left and right lower header pipes, the upper ends of the left and right outer wall pipe rows are respectively connected with the left and right outer wall upper header pipes, and the left and right outer wall upper header pipes are respectively connected and communicated with the boiler barrel through a plurality of connecting pipes;
fins are connected between the pipe tubes of the ceiling pipe to form a flue gas separation wall, an upward flue gas passing opening is formed at the position of the ceiling pipe close to the rear part of the hearth, a first flue gas return Cheng Tongdao for fuel combustion is arranged below the flue gas separation wall, and a second flue gas return channel is arranged between the upward flue gas separation wall and the boiler barrel;
fins are connected between the tubes of the front wall tube, the rear wall tube and the rear upper wall tube to form a front tube wall and a rear tube wall, the front smoke box is arranged above the front tube wall, and a smoke inlet communicated with the second return channel of smoke is downwards arranged on the front smoke box;
the left and right outer wall tube rows and the fins connected between the tube rows form a left and right outer wall, and a blocking structure for preventing smoke from rising is arranged between the left and right outer wall tube rows and the adjacent left and right upper header tubes;
the front pipe wall is provided with a fuel inlet, the right or left outer wall is provided with a door hole, the right or left wall pipe of the hearth pipe frame corresponding to the door hole is lost, and an inner door hole is formed after the loss.
The to-be-solved technical problem of the utility model can also further realize through following technical scheme, be equipped with between drum and the furnace pipe support before, after three groups support the downtake, every group supports the downtake and all sets up two downtake including bilateral symmetry, the downtake is connected respectively between drum and left and right sides lower header pipe.
The utility model discloses the technical problem who solves can also further realize through following technical scheme, preceding smoke box is equipped with a smoke box collector, and the smoke box collector is located preceding smoke box top, and the both sides of smoke box collector are connected with a plurality of water side pipes of crossing, crosses the outer wall of smoke box before connecting through fin between the pipe of water side pipe and constituting, in the smoke box collector stretched into the boiler section of thick bamboo to extend to the boiler section of thick bamboo other end, it has a plurality of mouths of crossing to open on the pipe wall of the part that the smoke box collector is located the boiler section of thick bamboo.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, the water side pipe that crosses of preceding smoke box both sides respectively with control the outer wall header pipe and meet the intercommunication.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, and lower wall pipe is equipped with the support fin who is used for supporting the fuel burning towards one side in the furnace.
Compared with the prior art, the utility model, set up the outer tube wall outside the main frame, the main frame setting has so greatly increased furnace's radiation heating surface in first return passage of flue gas and flue gas second return passage, has improved heat absorption effect, has small simultaneously and exerts oneself greatly, energy-conserving efficient characteristics.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a structural view with the right wall tube removed;
FIG. 3 is a side view of the main frame left and right exterior wall tube row connections;
FIG. 4 is a structural view of the supporting connection of the drum and the downcomer;
FIG. 5 is a schematic view of a front wall structure;
FIG. 6 is a schematic view of a rear wall structure;
FIG. 7 is a view showing the connection between the upper header pipe and the drum;
FIG. 8 is an enlarged view of the lower wall tube connecting fin;
FIG. 9 is a front view of a lower wall tube fin connection.
Detailed Description
The embodiments of the present invention will be described in detail below, so that the objects, technical solutions and advantages of the embodiments of the present invention will be more clearly understood by those skilled in the art, and it will be apparent that the embodiments of the present invention are described in detail below in conjunction with the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A boiler pipe frame structure comprises a boiler barrel 2 and a hearth pipe frame, wherein a front smoke box and a rear smoke box 1 are arranged in the front of and behind the boiler barrel respectively, the front smoke box and the rear smoke box are connected through a plurality of pairs of smoke passing pipes in the boiler barrel, and the rear smoke box is connected with a smoke outlet pipe.
The hearth pipe frame comprises a main frame consisting of a left lower header pipe 29, a right lower header pipe 30, a left upper header pipe 21, a right upper header pipe 25, front and rear lower transverse pipes 28 and front and rear upper transverse pipes 22; left and right outer wall tube rows 5 are coated on the left and right sides of the main frame,
a middle lower header pipe 27 and a middle upper header pipe 23 are arranged in the main frame; the upper middle header pipe is connected with the boiler barrel upwards through a plurality of boiler barrel connecting pipes 20, a water supply pipe 12 is arranged at the rear part of the main frame, and the water supply pipe is provided with a left section and a right section and is respectively connected between the left lower header pipe and the right lower header pipe and between the middle lower header pipe and the lower header pipe;
a lower wall pipe 14 is connected between the left lower header pipe and the middle lower header pipe, a ceiling pipe 9 is connected between the left upper header pipe and the middle upper header pipe, a left wall pipe 15 is connected between the left lower header pipe and the left upper header pipe, a right wall pipe 26 is connected between the right lower header pipe and the right upper header pipe, a front wall pipe 32 is connected between the front lower cross pipe and the front upper cross pipe (on the left and right sides therebetween), a rear wall pipe 34 is connected between the rear lower cross pipe and the rear upper cross pipe, a rear upper wall pipe 33 is connected between the rear upper cross pipe and the boiler barrel, the lower ends of the left and right outer wall pipe rows are respectively connected and communicated with the left and right lower header pipes, the upper ends of the left and right outer wall pipe rows are respectively connected with the left and right outer wall upper header pipes 18, and the left and right outer wall upper header pipes are respectively connected and communicated with the boiler barrel through a plurality of connecting pipes 16;
fins are connected between the pipe tubes of the ceiling pipe to form a flue gas separation wall, an upward flue gas passing opening 10 is formed at the position of the ceiling pipe close to the rear part of the hearth, a first flue gas return Cheng Tongdao for fuel combustion is arranged below the flue gas separation wall, and a second flue gas return channel is formed between the upward flue gas separation wall and the boiler barrel;
fins are connected between the tubes of the front wall tube, the rear wall tube and the rear upper wall tube to form a front tube wall and a rear tube wall, the front smoke box is arranged above the front tube wall, and a smoke inlet communicated with the second return channel of smoke is downwards arranged on the front smoke box;
the left and right outer wall tube rows and the fins connected between the tube rows form a left and right outer wall, and a blocking structure 19 for preventing smoke from rising is arranged between the left and right outer wall tube rows and the adjacent left and right upper header tubes;
the front pipe wall is provided with a fuel inlet 31, the right (or left) outer wall is provided with a door hole 6, the right (or left) wall pipe of the hearth pipe frame corresponding to the door hole is lost, and an inner door hole 13 is formed after the loss.
Due to the arrangement of the middle header pipe, water in the pipe support can be directly upwards introduced into the boiler barrel after being heated, and the overall strength of the pipe support is increased.
Front, middle and rear three groups of supporting descending pipes 7, 8 and 11 are arranged between the boiler barrel and the hearth pipe frame, each group of supporting descending pipes comprises two descending pipes which are arranged in bilateral symmetry, and the descending pipes are respectively connected between the boiler barrel and the left and right lower header pipes.
The front and middle two groups of supporting downcomers are all connected by a lower header pipe upwards and then turning to the drum, thus avoiding the structure of a hearth. And the other group of supporting downcomers are two inclined supporting straight pipes. Three groups of descending pipes which are arranged symmetrically left and right play a role in bearing and supporting the upper drum, so that the bearing safety of the hearth pipe frame is ensured.
The front smoke box is provided with a smoke box collecting pipe 3, the smoke box collecting pipe is located at the top of the front smoke box, a plurality of water passing side pipes 4 are connected to two sides of the smoke box collecting pipe, the pipe pipes of the water passing side pipes are connected through fins to form the outer wall of the front smoke box, the smoke box collecting pipe extends into the boiler barrel and extends to the other end of the boiler barrel, and a plurality of water passing openings are formed in the pipe wall of the part, located in the boiler barrel, of the smoke box collecting pipe.
The water passing side pipes on the two sides of the front smoke box are respectively connected and communicated with the left outer wall header pipe and the right outer wall header pipe.
And one side of the lower wall pipe facing the inside of the hearth is provided with a supporting fin 35 for supporting the combustion of fuel. The supporting fins are welded on the upper surfaces of the lower wall pipe and the middle lower header pipe.
Claims (5)
1. The utility model provides a boiler pipe support structure, includes drum and furnace pipe support, is equipped with preceding smoke box and back smoke box around the drum respectively, connects through a plurality of tobacco pipes of crossing in the drum between preceding smoke box and the back smoke box, and the tobacco pipe is connected out to the back smoke box, its characterized in that:
the hearth pipe frame comprises a main frame consisting of a left lower header pipe, a right lower header pipe, a left upper header pipe, a right upper header pipe, a front lower transverse pipe, a rear upper transverse pipe and a front upper transverse pipe; left and right outer wall tube rows are coated on the left and right sides of the main frame,
a middle lower header pipe and a middle upper header pipe are arranged in the main frame; the upper middle header pipe is upwards connected with the boiler barrel through a plurality of boiler barrel connecting pipes, a water supply pipe is arranged at the rear part of the main frame, and the water supply pipe is provided with a left section and a right section and is respectively connected between the left lower header pipe and the right lower header pipe and the middle lower header pipe;
a lower wall pipe is connected between a left lower header pipe and a middle lower header pipe, a ceiling pipe is connected between a left upper header pipe and a left upper header pipe, a right wall pipe is connected between a right lower header pipe and a right upper header pipe, a front wall pipe is connected between a front lower transverse pipe and a front upper transverse pipe, a rear wall pipe is connected between a rear lower transverse pipe and a rear upper transverse pipe, a rear upper wall pipe is connected between a rear upper transverse pipe and a boiler barrel, the lower ends of a left outer wall pipe row and a right outer wall pipe row are respectively communicated with the left lower header pipe and the right lower header pipe, the upper ends of the left outer wall pipe row and the right outer wall pipe row are respectively connected with the left upper header pipe and the right upper header pipe, and the left upper header pipe and the right outer wall pipe are respectively communicated with the boiler barrel through a plurality of connecting pipes;
fins are connected between the pipe tubes of the ceiling pipe to form a flue gas separation wall, an upward flue gas passing hole is formed at the position, close to the ceiling pipe at the rear part of the hearth, of the ceiling pipe, a first flue gas return Cheng Tongdao for fuel combustion is arranged below the flue gas separation wall, and a second flue gas return channel is formed between the upward flue gas separation wall and the boiler barrel;
fins are connected between the tubes of the front wall tube, the rear wall tube and the rear upper wall tube to form a front tube wall and a rear tube wall, the front smoke box is arranged above the front tube wall, and a smoke inlet communicated with the second return channel of smoke is downwards arranged on the front smoke box;
the left and right outer wall tube rows and the fins connected between the tube rows form a left and right outer wall, and a blocking structure for preventing smoke from rising is arranged between the left and right outer wall tube rows and the adjacent left and right upper header tubes;
the front pipe wall is provided with a fuel inlet, the right or left outer wall is provided with a door hole, the right or left wall pipe of the hearth pipe frame corresponding to the door hole is lost, and an inner door hole is formed after the loss.
2. The boiler tube rack structure according to claim 1, wherein: front, middle and rear three groups of supporting descending pipes are arranged between the boiler barrel and the hearth pipe frame, each group of supporting descending pipes comprises two descending pipes which are arranged in bilateral symmetry, and the descending pipes are respectively connected between the boiler barrel and the left and right lower header pipes.
3. The boiler tube rack structure according to claim 1, wherein: the front smoke box is provided with a smoke box collecting pipe, the smoke box collecting pipe is positioned at the top of the front smoke box, two sides of the smoke box collecting pipe are connected with a plurality of water passing side pipes, the pipe pipes of the water passing side pipes are connected through fins to form the outer wall of the front smoke box, the smoke box collecting pipe extends into the boiler barrel and extends to the other end of the boiler barrel, and a plurality of water passing openings are formed in the pipe wall of the part, positioned in the boiler barrel, of the smoke box collecting pipe.
4. The boiler tube rack structure according to claim 3, wherein: the water passing side pipes on the two sides of the front smoke box are respectively connected and communicated with the header pipes on the left outer wall and the right outer wall.
5. The boiler tube rack structure according to claim 1, wherein: one side of the lower wall pipe facing the inside of the hearth is provided with a supporting fin for supporting the combustion of fuel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222945380.9U CN218672145U (en) | 2022-11-06 | 2022-11-06 | Boiler pipe frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222945380.9U CN218672145U (en) | 2022-11-06 | 2022-11-06 | Boiler pipe frame structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218672145U true CN218672145U (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222945380.9U Active CN218672145U (en) | 2022-11-06 | 2022-11-06 | Boiler pipe frame structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218672145U (en) |
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2022
- 2022-11-06 CN CN202222945380.9U patent/CN218672145U/en active Active
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