CN114517912A - High-efficiency steam boiler structure with large heat exchange area - Google Patents
High-efficiency steam boiler structure with large heat exchange area Download PDFInfo
- Publication number
- CN114517912A CN114517912A CN202210354256.7A CN202210354256A CN114517912A CN 114517912 A CN114517912 A CN 114517912A CN 202210354256 A CN202210354256 A CN 202210354256A CN 114517912 A CN114517912 A CN 114517912A
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- China
- Prior art keywords
- steam
- water
- heat exchange
- furnace body
- header
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000012528 membrane Substances 0.000 claims abstract description 29
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 33
- 239000003546 flue gas Substances 0.000 abstract description 33
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000001704 evaporation Methods 0.000 abstract description 3
- 230000008020 evaporation Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
- F22B31/08—Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/06—Flue or fire tubes; Accessories therefor, e.g. fire-tube inserts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/22—Drums; Headers; Accessories therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a high-efficiency steam boiler structure with a large heat exchange area, which belongs to the technical field of steam boilers and comprises a boiler body, a burner and a chimney, wherein the burner is fixed at one end of the boiler body and extends into the boiler body in a penetrating manner, the chimney is fixed at the other end of the boiler body and is communicated with the interior of the boiler body, a water-cooled wall pipe is fixedly arranged in the boiler body, a water header and a steam-water header are fixedly arranged in the boiler body, and the water header is arranged on the left side of the steam-water header. The invention improves the heating surface by arranging the membrane type wall, the first fin tubes, the fins, the light tubes and the second fin tubes in the furnace body, has very compact structure, sufficient evaporation capacity, fast steam discharge, energy conservation and environmental protection, fully utilizes the respective characteristics of a flue gas flow and a steam-water flow, combines the respective characteristics for effective integration, and is assisted by a large number of high-efficiency heating surfaces, so that the flue gas is fully cooled, and the steam-water fully absorbs heat to form high-quality steam.
Description
Technical Field
The invention relates to the technical field of steam boilers, in particular to a high-efficiency steam boiler structure with a large heat exchange area.
Background
In the prior art, a boiler is a mechanical device which heats water into hot water or steam by using heat energy of fuel or other energy sources, the hot water or steam generated in the boiler can be directly produced to provide required heat energy and can also be converted into mechanical energy through a steam power device, and the like.
The existing boiler structure is not efficient enough due to arrangement of heating surfaces, and the problems of large device structure and high steam water content can be caused due to insufficient heat absorption in a steam-water flow.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a high efficiency steam boiler structure with a large heat exchange area, so as to solve the above-mentioned problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a large high efficiency steam boiler structure of heat transfer area, includes furnace body, combustor and chimney, the combustor is fixed in furnace body one end, and runs through inside the furnace body extends to the furnace body, the chimney is fixed at the furnace body other end and is linked together with the furnace body is inside, the inside fixed water wall pipe that is equipped with of furnace body, inside fixed water header and the soda header of being equipped with of furnace body, the water header is established in soda header left side, water header and soda header all are linked together with the water wall pipe, turn right from a left side and be equipped with first heat exchange assemblies, second heat exchange assemblies, third heat exchange assemblies in proper order inside the furnace body, first heat exchange assemblies includes membrane wall and a plurality of first fin pipe, the second heat exchange assemblies includes a plurality of fins and a plurality of fluorescent lamp, third heat exchange assemblies includes a plurality of second fin pipe.
In a preferred embodiment, the membrane wall, the fins and the second finned tube are fixedly connected with the inner wall of the furnace body through the support, so that the stability of the membrane wall, the fins and the second finned tube in use is improved.
In a preferred embodiment, the membrane wall is arranged inside the water wall tubes, the first fin tubes are arranged inside the membrane wall and fixedly connected with the membrane wall, the membrane wall and the first fin tubes are arranged on the left side of the water header, and the first fin tubes and the membrane wall are used for absorbing heat of the flue gas fully.
In a preferred embodiment, a plurality of fins are arranged on the inner side of the water wall tube, a plurality of light tubes are fixed on the fins, a plurality of fins and a plurality of light tubes are arranged between the water header and the steam-water header, and the plurality of fins and the plurality of light tubes are used for carrying out secondary heat absorption on the smoke, so that the heat absorption effect on the smoke is further improved.
In a preferred embodiment, the plurality of second fin tubes are arranged on the right side of the steam-water header, and the plurality of second fin tubes are used for absorbing heat of the flue gas at the tail end of the furnace body, so that the heat in the flue gas is fully utilized.
In a preferred embodiment, the plurality of first fin tubes, the plurality of fins, the plurality of light tubes and the plurality of second fin tubes are distributed in an annular array in the furnace body, so that the absorption effect of the heat of the flue gas is improved, and the heat exchange efficiency can be increased.
In a preferred embodiment, a plurality of supporting seats are fixedly arranged at the bottom end of the furnace body, a steam header is fixedly arranged on one side of the bottom end of the furnace body, and one end of the water wall tube penetrates through the furnace body and is communicated with the top end of the steam header for collecting steam.
The invention has the technical effects and advantages that:
1. the invention improves the heating surface by arranging the membrane type wall, the first fin tubes, the fins, the light tubes and the second fin tubes in the furnace body, has very compact structure, sufficient evaporation capacity, fast steam discharge, energy conservation and environmental protection, fully utilizes the respective characteristics of a flue gas flow and a steam-water flow, combines the respective characteristics for effective integration, and is assisted by a large number of high-efficiency heating surfaces, so that the flue gas is fully cooled, and the steam-water fully absorbs heat to form high-quality steam.
2. Through setting up a plurality of first finned tubes at the diaphragm type wall inboard, can improve the absorption effect to the heat of flue gas, utilize a plurality of fluorescent tubes and a plurality of fin to constitute high heat-absorbing surface, it is better to the cooling effect of flue gas, recycle a plurality of second finned tubes at last and absorb the heat of flue gas, make the heat in the flue gas obtain make full use of, reduce the heat of flue gas waste.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the furnace body of the present invention;
FIG. 3 is a membrane wall structure of the present invention;
FIG. 4 is a diagram of the fin structure of the present invention;
FIG. 5 is a diagram of a second finned tube according to the present invention.
The reference signs are: 1. a furnace body; 2. a burner; 3. a chimney; 4. a water wall tube; 5. a water header; 6. a steam-water header; 7. a membrane wall; 8. a first finned tube; 9. a fin; 10. a light pipe; 11. a second finned tube; 12. a support; 13. a supporting seat; 14. and (4) a steam header.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings 1-5 in the specification, the high-efficiency steam boiler structure with a large heat exchange area of the embodiment comprises a boiler body 1, a burner 2 and a chimney 3, wherein the burner 2 is fixed at one end of the boiler body 1 and extends into the boiler body 1 through the boiler body 1, the chimney 3 is fixed at the other end of the boiler body 1 and is communicated with the interior of the boiler body 1, a water wall pipe 4 is fixedly arranged in the boiler body 1 and is used for conveying water for heat exchange, a water header 5 and a steam-water header 6 are fixedly arranged in the boiler body 1, the water header 5 is arranged at the left side of the steam-water header 6, the water header 5 and the steam-water header 6 are both communicated with the water wall pipe 4, a first heat exchange assembly, a second heat exchange assembly and a third heat exchange assembly are sequentially arranged in the boiler body 1 from left to right, the first heat exchange assembly comprises a membrane wall 7 and a plurality of first fin pipes 8, the second heat exchange assembly comprises a plurality of fins 9 and a plurality of light pipes 10, the third heat exchange assembly comprises a plurality of second fin tubes 11, the membrane wall 7, the fins 9 and the second fin tubes 11 are fixedly connected with the inner wall of the furnace body 1 through a support 12, the stability of the membrane wall 7, the fins 9 and the second fin tubes 11 in use is improved, the plurality of first fin tubes 8, the plurality of fins 9, the plurality of light tubes 10 and the plurality of second fin tubes 11 are distributed in an annular array mode inside the furnace body 1, the absorption effect of flue gas heat is improved, the heat exchange efficiency can be increased, the bottom end of the furnace body 1 is fixedly provided with a plurality of supporting seats 13, a steam header 14 is fixedly arranged on one side of the bottom end of the furnace body 1, and one end of each water cooling wall tube 4 penetrates through the furnace body 1 to be communicated with the top end of the steam header 14 for collecting steam.
The implementation scenario is specifically as follows: after gas and combustion-supporting air are mixed by the burner 2, the gas and the combustion-supporting air are fully combusted in the furnace body 1, flue gas generated by combustion firstly passes through the membrane wall 7 and the first fin tubes 8 to release heat, the membrane wall 7 and the first fin tubes 8 absorb the heat to heat water in the water-cooled wall tubes 4, then the flue gas continuously flows towards the right side of the furnace body 1, when the flue gas passes through the space between the fins 9 and the light tubes 10, the fins 9 and the light tubes 10 continuously absorb the heat in the flue gas, then the water in the water-cooled wall tubes 4 is heated by the absorbed heat, finally the second fin tubes 11 absorb the heat in the flue gas, the cooled flue gas is finally discharged from the flue tube 3 to realize the heat exchange process of the flue gas, the water in the water-cooled wall tubes 4 is heated by the second fin tubes 11 to absorb the heat to form a steam-water mixture, and then the steam-water mixture flows into the steam-water header 6 to continuously flow towards the water-cooled wall tubes 4 on the left side, the steam flows into the first box body to form steam with certain dryness after being heated by the plurality of fins 9 and the plurality of light tubes 10, the steam continues to flow, finally flows into the third box body to form steam with high dryness after being deeply heated by the membrane wall 7 and the plurality of first fin tubes 8, the whole steam-water heat exchange process is completed, the arrangement of the first heat exchange assembly, the second heat exchange assembly and the third heat exchange assembly is very compact in structure, sufficient in evaporation capacity, fast in steam discharge, energy-saving and environment-friendly, the respective characteristics of a flue gas flow and a steam-water flow are fully utilized, the respective characteristics are combined to be effectively integrated, a large number of efficient heating surfaces are supplemented, the flue gas is fully cooled, and the steam-water fully absorbs heat to form high-quality steam.
Referring to the attached drawings 3-5 in the specification, in the embodiment of the high-efficiency steam boiler structure with a large heat exchange area, the membrane wall 7 is arranged on the inner side of the water-cooled wall tube 4, the plurality of first fin tubes 8 are arranged on the inner side of the membrane wall 7 and fixedly connected with the membrane wall 7, the membrane wall 7 and the plurality of first fin tubes 8 are arranged on the left side of the water header 5, the plurality of first fin tubes 8 and the membrane wall 7 are used for fully absorbing heat of flue gas, the plurality of fins 9 are arranged on the inner side of the water-cooled wall tube 4, the plurality of light tubes 10 are all fixed on the fins 9, the plurality of fins 9 and the plurality of light tubes 10 are all arranged between the water header 5 and the steam-water header 6, the plurality of fins 9 and the plurality of light tubes 10 are used for carrying out secondary heat absorption on flue gas, so as to further improve the absorption effect on heat of flue gas, the plurality of second fin tubes 11 are arranged on the right side of the steam-water header 6, the plurality of second fin tubes 11 are used for absorbing heat of flue gas at the tail end of the boiler body 1, the heat in the flue gas is fully utilized.
The implementation scenario is specifically as follows: through setting up a plurality of first fin pipes 8 at diaphragm type wall 7 inboardly, can improve the absorption effect to the heat of flue gas, utilize a plurality of fluorescent tubes 10 and a plurality of fin 9 to constitute high heat-absorbing surface, it is better to the cooling effect of flue gas, recycle a plurality of second fin pipes 11 at last and absorb the heat of flue gas, make the heat in the flue gas obtain make full use of, reduce the waste of the heat of flue gas.
And finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. The utility model provides a high efficiency steam boiler structure that heat transfer area is big, includes furnace body (1), combustor (2) and chimney (3), combustor (2) are fixed in furnace body (1) one end, and run through inside furnace body (1) extends to furnace body (1), chimney (3) are fixed at the furnace body (1) other end and are linked together its characterized in that with furnace body (1) inside: furnace body (1) inside fixed water wall pipe (4) that is equipped with, furnace body (1) inside fixed water header (5) and soda header (6) of being equipped with, establish in soda header (6) left side water header (5), water header (5) and soda header (6) all are linked together with water wall pipe (4), turn right from a left side and be equipped with first heat exchange assembly, second heat exchange assembly, third heat exchange assembly in proper order in furnace body (1) inside, first heat exchange assembly includes membrane wall (7) and a plurality of first fin pipe (8), second heat exchange assembly includes a plurality of fins (9) and a plurality of fluorescent lamp (10), third heat exchange assembly includes a plurality of second fin pipe (11).
2. The high efficiency steam boiler structure with large heat exchange area of claim 1, wherein: the membrane type wall (7), the fins (9) and the second fin tube (11) are fixedly connected with the inner wall of the furnace body (1) through a support (12).
3. The high efficiency steam boiler structure with large heat exchange area of claim 1, wherein: the membrane type wall (7) is arranged on the inner side of the water wall pipe (4), the first fin pipes (8) are arranged on the inner side of the membrane type wall (7) and fixedly connected with the membrane type wall (7), and the membrane type wall (7) and the first fin pipes (8) are arranged on the left side of the water header (5).
4. The high efficiency steam boiler structure with large heat exchange area of claim 1, wherein: a plurality of fins (9) are arranged on the inner side of the water wall pipe (4), a plurality of light pipes (10) are fixed on the fins (9), and the plurality of fins (9) and the plurality of light pipes (10) are arranged between the water header (5) and the steam-water header (6).
5. The high efficiency steam boiler structure with large heat exchange area of claim 1, wherein: the second fin tubes (11) are arranged on the right side of the steam-water header (6).
6. The high efficiency steam boiler structure with large heat exchange area of claim 1, wherein: the multiple first fin tubes (8), the multiple fins (9), the multiple light tubes (10) and the multiple second fin tubes (11) are distributed in an annular array in the furnace body (1).
7. The high efficiency steam boiler structure with large heat exchange area of claim 1, wherein: the steam furnace is characterized in that a plurality of supporting seats (13) are fixedly arranged at the bottom end of the furnace body (1), a steam header (14) is fixedly arranged on one side of the bottom end of the furnace body (1), and one end of the water wall tube (4) penetrates through the furnace body (1) and is communicated with the top end of the steam header (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210354256.7A CN114517912A (en) | 2022-04-03 | 2022-04-03 | High-efficiency steam boiler structure with large heat exchange area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210354256.7A CN114517912A (en) | 2022-04-03 | 2022-04-03 | High-efficiency steam boiler structure with large heat exchange area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114517912A true CN114517912A (en) | 2022-05-20 |
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ID=81600106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210354256.7A Pending CN114517912A (en) | 2022-04-03 | 2022-04-03 | High-efficiency steam boiler structure with large heat exchange area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114517912A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743095A (en) * | 2014-01-24 | 2014-04-23 | 上海工业锅炉研究所 | Self-supporting single-channel fuel oil/gas corner tube type hot water boiler |
| CN103868045A (en) * | 2014-04-01 | 2014-06-18 | 刘权升 | Movable type oil field steam generator with spiral square film type wall |
| CN112393214A (en) * | 2020-11-17 | 2021-02-23 | 西安交通大学 | Premixing water-cooling combustion corner tube steam boiler |
-
2022
- 2022-04-03 CN CN202210354256.7A patent/CN114517912A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743095A (en) * | 2014-01-24 | 2014-04-23 | 上海工业锅炉研究所 | Self-supporting single-channel fuel oil/gas corner tube type hot water boiler |
| CN103868045A (en) * | 2014-04-01 | 2014-06-18 | 刘权升 | Movable type oil field steam generator with spiral square film type wall |
| CN112393214A (en) * | 2020-11-17 | 2021-02-23 | 西安交通大学 | Premixing water-cooling combustion corner tube steam boiler |
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