CN220931093U - Annular header energy-saving device - Google Patents
Annular header energy-saving device Download PDFInfo
- Publication number
- CN220931093U CN220931093U CN202322512605.6U CN202322512605U CN220931093U CN 220931093 U CN220931093 U CN 220931093U CN 202322512605 U CN202322512605 U CN 202322512605U CN 220931093 U CN220931093 U CN 220931093U
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- China
- Prior art keywords
- pipe
- header
- wall
- communicated
- annular header
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000003546 flue gas Substances 0.000 claims abstract description 31
- 238000011084 recovery Methods 0.000 claims abstract description 23
- 238000010521 absorption reaction Methods 0.000 claims abstract description 22
- 238000002485 combustion reaction Methods 0.000 claims abstract description 12
- 239000000446 fuel Substances 0.000 claims abstract description 4
- 239000000779 smoke Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 56
- 238000005338 heat storage Methods 0.000 claims description 18
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- SAPGTCDSBGMXCD-UHFFFAOYSA-N (2-chlorophenyl)-(4-fluorophenyl)-pyrimidin-5-ylmethanol Chemical compound C=1N=CN=CC=1C(C=1C(=CC=CC=1)Cl)(O)C1=CC=C(F)C=C1 SAPGTCDSBGMXCD-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The annular header economizer comprises a flue gas recovery heat exchange system and a front outer wall heat absorption system, wherein the front outer wall heat absorption system comprises a heat absorption pipe rack surrounding a steam boiler combustion chamber, the heat absorption pipe rack comprises an upper annular header pipe and a lower annular header pipe, the upper annular header pipe and the lower annular header pipe are connected and communicated through a left wall pipe and a right wall pipe and a front wall pipe and a rear wall pipe, and the left wall pipe and the right wall pipe are connected through fins to form a left wall and a right wall of the boiler combustion chamber; the tubes of the front wall tube and the rear wall tube are connected through fins to form the front wall and the rear wall of the boiler combustion chamber; the front wall is provided with a fuel inlet, and the rear wall is provided with a smoke outlet; the furnace exhaust pipe is arranged between the lower middle header and the lower annular header pipe; a ceiling pipe is arranged between the ceiling header pipe and the upper annular header pipe, and a main steam pipe is arranged upwards on the ceiling header pipe; through the reasonable pipeline layout, the flue gas recovery heat exchange system and the front external wall heat absorption system of the steam boiler form an energy-saving device combination. The thermal efficiency of the boiler is improved.
Description
Technical Field
The utility model relates to the technical field of steam boilers, in particular to an annular header energy-saving device.
Background
The energy saver for the steam boiler is generally used for carrying out heat exchange recovery on the waste heat of the flue gas of the boiler and heating the medium water for reuse; the energy-saving effect of the system is achieved. The medium water heated by the energy-saving device is input into the boiler again for reheating until steam is generated, and the energy-saving device has no addition effect on the heat utilization rate of the boiler body. In the prior art, as in the patent application number 2023205827513 of the applicant, it discloses a combined energy-saving device, the water in the flue gas recovery heat exchange system enters the annular header to be heated, then returns to the water chamber of the flue gas recovery heat exchange system, finally enters the steam boiler pipe frame to be heated, and in the production test process, the water in the upper and lower annular headers is found to have vaporization phenomenon, so that the problem of low thermal efficiency exists.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects of the prior art and provides an annular header energy saver for improving the thermal efficiency of a boiler body.
The technical problem to be solved by the utility model is realized by the following technical scheme, and the annular header energy saver comprises a flue gas recovery heat exchange system and a front external wall heat absorption system, and is characterized in that:
the front outer wall heat absorption system comprises a heat absorption pipe rack which is arranged around a steam boiler combustion chamber in a surrounding mode, the heat absorption pipe rack comprises an upper annular collecting box pipe and a lower annular collecting box pipe, the upper annular collecting box pipe and the lower annular collecting box pipe are connected and communicated through a left wall pipe, a right wall pipe and a front wall pipe and a rear wall pipe, and the pipes of the left wall pipe and the right wall pipe are connected through fins to form a left wall and a right wall of the boiler combustion chamber;
The tubes of the front wall tube and the rear wall tube are connected through fins to form the front wall and the rear wall of the boiler combustion chamber;
the front wall is provided with a fuel inlet, and the rear wall is provided with a smoke outlet;
The upper part of the upper annular header pipe is provided with a ceiling header pipe, and the ceiling header pipe is communicated with the header pipes on the two sides of the upper annular header pipe through the ceiling pipe; a through seam for the steam pipe on the boiler pipe rack to pass through is arranged between the adjacent ceiling pipes;
The ceiling header pipe is provided with a main steam pipe which is communicated with a steam drum of the boiler upwards;
the lower middle header is connected and communicated with a heat storage water chamber of the flue gas recovery heat exchange system.
The technical problem to be solved by the utility model can be further solved by the following technical scheme that the upper annular header pipe is provided with a steam outlet pipe communicated with a steam drum of the boiler.
The technical problem to be solved by the utility model can be further solved by the following technical scheme that the flue gas recovery heat exchange system comprises a body shell, wherein the inner cavity of the body shell is provided with a heat storage water chamber, a heat exchange liner is arranged in the heat storage water chamber, closely arranged water passing heat exchange pipes are arranged in the heat exchange liner, two ends of the water passing heat exchange pipes penetrate out of the heat exchange liner and are communicated with the heat storage water chamber, a flue gas inlet connected with the flue gas outlet is arranged on the body shell, the flue gas inlet is communicated with the heat exchange liner, and a flue gas outlet communicated with the heat exchange liner is arranged on the body shell.
The technical problem to be solved by the utility model can be further solved by the following technical scheme that a lower middle header for centralized water supply is arranged at the lower part of the lower annular header pipe, and the lower middle header is connected and communicated with the two side header pipes of the lower annular header pipe through fire grate pipes.
The technical problem to be solved by the utility model can be further solved by the following technical scheme that the lower middle header is connected and communicated with the heat storage water chamber of the flue gas recovery heat exchange system through a water supply pipeline.
The technical problem to be solved by the utility model can be further solved by the following technical scheme that a furnace calandria is arranged in the middle of the lower annular header pipe.
The technical problem to be solved by the utility model can be further solved by the following technical scheme that the grate pipes are transversely arranged, and two ends of the grate pipes are connected and communicated with two side tank pipes of the lower annular header pipe.
The technical problem to be solved by the utility model can be further solved by the following technical scheme that the fire grate pipes are longitudinally arranged, and two ends of the fire grate pipes are communicated with the box pipes at the front end and the rear end of the lower annular box pipe.
The technical problem to be solved by the utility model can be further solved by the following technical scheme that the lower annular header pipe is obliquely arranged left and right or obliquely arranged front and back.
The technical problem to be solved by the utility model can be further solved by the following technical scheme that a water inlet main pipe and a body steam outlet pipe are arranged at the upper part of a body shell of the flue gas recovery heat exchange system.
Compared with the prior art, the utility model forms an energy-saving device combination by reasonably arranging the pipeline layout, and the flue gas recovery heat exchange system and the steam boiler front-mounted outer wall heat absorption system. The boiler has the functions of the traditional energy saver, and in the structure of the boiler, the front-mounted outer wall heat absorption system of the boiler, which extends out of the outer shell of the energy saver body, plays the role of a boiler wall body, heats and vaporizes water in the wall body pipe, and improves the heat utilization efficiency of the boiler body. Has the effects of high efficiency, safety, energy conservation and environmental protection.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a front wall structure;
FIG. 3 is a schematic view of a rear wall structure;
FIG. 4 is a schematic top view of an upper annular header pipe;
FIG. 5 is a schematic top view of the lower annular header pipe;
FIG. 6 is a schematic view of one of the water supply lines;
fig. 7 is a schematic view of an inclined structure of the lower annular header pipe.
Detailed Description
The following further describes the specific technical solutions of the present invention, so that the purpose, technical solutions and advantages of the embodiments of the present invention will be more apparent to those skilled in the art to further understand the present invention, and the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments, but not limitations on the claims thereof. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The annular header economizer comprises a flue gas recovery heat exchange system and a front outer wall heat absorption system, wherein the front outer wall heat absorption system comprises a heat absorption pipe rack which is arranged around a combustion chamber of a steam boiler in a surrounding mode, the heat absorption pipe rack comprises an upper annular header pipe and a lower annular header pipe, the upper annular header pipe and the lower annular header pipe are connected and communicated through a left wall pipe and a right wall pipe and a front wall pipe and a rear wall pipe, and the left wall pipe and the right wall pipe are connected with the pipes through fins to form a left wall and a right wall of the combustion chamber of the boiler;
The upper annular header pipe 6 is formed by connecting two side header pipes with front and rear header pipes end to end, and the lower annular header pipe 1 is also formed by connecting two side header pipes with front and rear header pipes end to end.
The tubes of the front wall tube and the rear wall tube 3 are connected through fins to form the front wall and the rear wall of the boiler combustion chamber;
The front wall is provided with a fuel inlet 20, and the rear wall is provided with a smoke outlet 22;
The upper part of the upper annular header pipe 6 is provided with a ceiling header pipe 8, and the ceiling header pipe is connected and communicated with the header pipes on the two sides of the upper annular header pipe through the ceiling pipe 7; a through seam for the steam pipe on the boiler pipe rack to pass through is arranged between the adjacent ceiling pipes; the pipes of the ceiling pipe without the seam are connected through fins, and the pipes of the ceiling pipe with the seam are sealed through refractory mortar to form the ceiling.
The ceiling header pipe is provided with a main steam pipe 5 which is communicated with a steam drum of the boiler upwards;
the lower middle header is connected and communicated with a heat storage water chamber of the flue gas recovery heat exchange system.
The upper annular header pipe is provided with a steam outlet pipe 4 communicated with a steam pocket 21 of the boiler.
The flue gas recovery heat exchange system comprises a body shell, wherein an inner cavity of the body shell is provided with a heat storage water chamber 12, a heat exchange liner 14 is arranged in the heat storage water chamber, a closely arranged water passing heat exchange pipe 15 is arranged in the heat exchange liner, two ends of the water passing heat exchange pipe penetrate out of the heat exchange liner and are communicated with the heat storage water chamber, a flue gas inlet 10 connected with a flue gas outlet 22 is arranged on the body shell, the flue gas inlet is communicated with the heat exchange liner, and a flue gas outlet 16 communicated with the heat exchange liner is arranged on the body shell.
The upper part of the body shell of the flue gas recovery heat exchange system is provided with a water inlet main pipe 13 and a body steam outlet pipe 11.
The body shell of the flue gas recovery heat exchange system is provided with a water return pipe 25 connected with a steam drum of a steam boiler.
A lower middle header 18 for concentrated water supply is arranged at the lower part of the lower annular header pipe 1, and the lower middle header is connected and communicated with the two side header pipes of the lower annular header pipe through a furnace calandria 19.
The lower middle header is connected and communicated with a heat storage water chamber of the flue gas recovery heat exchange system through a water supply pipeline.
The heat storage water chamber is provided with a left water supply interface and a right water supply interface which are connected with the boiler pipe frame.
The water supply pipeline can be directly connected with a connecting pipe 23 at the heat storage water chamber, the end part of the connecting pipe is connected with a water outlet horizontal tank pipe 24, and the left water supply interface and the right water supply interface are arranged at the two ends of the water outlet horizontal tank pipe.
The lower middle header is connected with the middle part of the water outlet horizontal tank pipe or directly connected with the heat storage water chamber.
Another embodiment may be to provide a furnace gauntlet in the middle of the lower annular header pipe. The furnace gauntlets can be arranged transversely or longitudinally. At this time, the lower annular header pipe is directly communicated with the heat storage water chamber.
The fire grate pipes are transversely arranged, and two ends of the fire grate pipes are connected and communicated with two side tank pipes of the lower annular header pipe.
The fire grate pipes are longitudinally arranged, and two ends of the fire grate pipes are connected and communicated with the box pipes at the front end and the rear end of the lower annular box pipe.
The lower annular header pipe is obliquely arranged towards one side or obliquely arranged towards the rear lower side. The inclined ascending pipe is also formed corresponding to the connected fire grate pipe, so that water in the fire grate pipe can immediately ascend into the lower annular header pipe after being vaporized and then upwards enter into the steam pocket, and the accommodating space of the lower annular header pipe is larger, so that the phenomenon of shock exposure can not occur.
The lower part of the steam pocket is provided with a condensate water downcomer, and the lower end part of the condensate water downcomer is connected with the return pipe 25.
The flue gas-saving recovery heat exchange system is provided with an independent water level gauge system, so that the water level condition is detected constantly, and the safe operation is ensured.
After the flue gas recovery heat exchange system carries out preliminary heating to the water inflow through the recycle of heat in the flue gas, the water is supplied to the boiler pipe frame and the front outer wall heat absorption system respectively, the front outer wall heat absorption system is arranged outside the boiler pipe frame, the boiler pipe frame and the front outer wall heat absorption system are heated simultaneously, two sets of steam generation systems are formed, and the heat efficiency of the boiler is greatly improved.
Claims (10)
1. The utility model provides an annular header energy-saving appliance, includes flue gas recovery heat transfer system and leading outer wall heat absorption system, its characterized in that:
the front outer wall heat absorption system comprises a heat absorption pipe rack which is arranged around a steam boiler combustion chamber in a surrounding mode, the heat absorption pipe rack comprises an upper annular collecting box pipe and a lower annular collecting box pipe, the upper annular collecting box pipe and the lower annular collecting box pipe are connected and communicated through a left wall pipe, a right wall pipe and a front wall pipe and a rear wall pipe, and the pipes of the left wall pipe and the right wall pipe are connected through fins to form a left wall and a right wall of the boiler combustion chamber;
The tubes of the front wall tube and the rear wall tube are connected through fins to form the front wall and the rear wall of the boiler combustion chamber;
the front wall is provided with a fuel inlet, and the rear wall is provided with a smoke outlet;
The upper part of the upper annular header pipe is provided with a ceiling header pipe, and the ceiling header pipe is communicated with the header pipes on the two sides of the upper annular header pipe through the ceiling pipe;
The ceiling header pipe is provided with a main steam pipe which is communicated with a steam drum of the boiler.
2. The annular header economizer of claim 1 wherein: the upper annular header pipe is provided with a steam outlet pipe communicated with a steam drum of the boiler.
3. The annular header economizer of claim 1 wherein: the flue gas recovery heat exchange system comprises a body shell, wherein an inner cavity of the body shell is provided with a heat storage water chamber, a heat exchange liner is arranged in the heat storage water chamber, a close-packed water passing heat exchange pipe is arranged in the heat exchange liner, two ends of the water passing heat exchange pipe penetrate out of the heat exchange liner and are communicated with the heat storage water chamber, a flue inlet is formed in the body shell and is communicated with the heat exchange liner, and a flue outlet communicated with the heat exchange liner is formed in the body shell.
4. A circular header economizer as claimed in claim 1 or 3, wherein: the lower part of the lower annular header pipe is provided with a lower middle header for concentrated water supply, and the lower middle header is communicated with the two side header pipes of the lower annular header pipe through a fire grate pipe.
5. The annular header economizer of claim 4 wherein: the lower middle header is connected and communicated with a heat storage water chamber of the flue gas recovery heat exchange system through a water supply pipeline.
6. The annular header economizer of claim 1 wherein: the middle of the lower annular header pipe is provided with a furnace calandria.
7. The annular header economizer of claim 6 wherein: the fire grate pipes are transversely arranged, and two ends of the fire grate pipes are connected and communicated with two side tank pipes of the lower annular header pipe.
8. The annular header economizer of claim 6 wherein: the fire grate pipes are longitudinally arranged, and two ends of the fire grate pipes are connected and communicated with the box pipes at the front end and the rear end of the lower annular box pipe.
9. The annular header economizer of claim 7 or 8, wherein: the lower annular header pipe is obliquely arranged left and right or obliquely arranged front and back.
10. A circular header economizer as claimed in claim 3, wherein: the upper part of the body shell of the flue gas recovery heat exchange system is provided with a water inlet main pipe and a body steam outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322512605.6U CN220931093U (en) | 2023-09-15 | 2023-09-15 | Annular header energy-saving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322512605.6U CN220931093U (en) | 2023-09-15 | 2023-09-15 | Annular header energy-saving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220931093U true CN220931093U (en) | 2024-05-10 |
Family
ID=90933165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322512605.6U Active CN220931093U (en) | 2023-09-15 | 2023-09-15 | Annular header energy-saving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220931093U (en) |
-
2023
- 2023-09-15 CN CN202322512605.6U patent/CN220931093U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |