CN202253575U - Coiled pipe type economizer with concentrically arranged bypass flue - Google Patents
Coiled pipe type economizer with concentrically arranged bypass flue Download PDFInfo
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- CN202253575U CN202253575U CN2011203125640U CN201120312564U CN202253575U CN 202253575 U CN202253575 U CN 202253575U CN 2011203125640 U CN2011203125640 U CN 2011203125640U CN 201120312564 U CN201120312564 U CN 201120312564U CN 202253575 U CN202253575 U CN 202253575U
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- barrel
- inner barrel
- economizer
- coiled
- coil pipe
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Abstract
The utility model belongs to the technical field of boiler energy saving, and particularly relates to a coiled pipe type economizer with a concentrically arranged bypass flue. The coiled pipe type economizer comprises a bottom plate, a top plate, a barrel, water pipes, an inlet header connected to the water inlet end of the water pipes and an outlet header connected to the water outlet end of the water pipes, wherein the barrel comprises an outer hollow barrel and an inner hollow barrel; the water pipes are a plurality of finned coiled pipes arranged between the outer barrel and the inner barrel; the coiled pipes are fixed between the inner and outer barrels; the top plate is arranged at the upper end of the outer barrel and on the outer upper side of the inner barrel; the bottom plate is arranged at the lower end of the outer barrel and on the outer lower side of the inner barrel; a rotating shaft on the lower side of an inner cavity of the inner barrel is fixedly connected with a circular overturning plate; and the size and shape of the circular overturning plate are matched with those of the inner cavity of the inner barrel. The coiled pipe type economizer with the concentrically arranged bypass flue occupies a small area, and has a good heat exchange effect, a good boiler flue gas temperature reduction effect and low manufacture and running cost; and simultaneously, the thermal efficiency of a boiler is improved.
Description
Technical field
The utility model belongs to the boiler energy-saving technical field, is specifically related to the coiled economizer that a kind of concentric type is arranged by-pass flue.
Background technology
Boiler economizer is the waste heat in a kind of traditional recycling boiler smoke tail gas, reduces exhaust gas temperature, improves the energy-saving equipment of boiler overall thermal efficient.For a long time, the boiler that each manufacturing firm is bigger to evaporation capacity can adopt the way of supporting installation economizer to improve boiler thermal output basically; But conventional steel pipe type economizer need be provided with the bigger by-pass flue that is arranged in parallel with the economizer surface steel pipe of a volumes, stops the into stage of water at boiler, lets flue gas flow through from by-pass flue, burns out to prevent that steel tube economizer is overheated; Like this, economizer has just taken bigger boiler room usable floor area, thereby has limited promoting the use of of they after arranging by-pass flue.
Summary of the invention
The utility model is in order to solve defective and the deficiency that above-mentioned prior art exists; Provide a kind of floor space little; The heat exchange effect is effective with the reduction exhaust gas temperature, and it is low to make operating cost, and the concentric type that can improve boiler thermal output is simultaneously arranged the coiled economizer of by-pass flue.
The technical scheme of the utility model: a kind of concentric type is arranged the coiled economizer of by-pass flue; Comprise base plate, top board, cylindrical shell, water pipe, be connected the inlet header case of water pipe water inlet end and be connected the outlet collection case of water pipe water side; Said cylindrical shell comprises the outer cylinder body of hollow and the inner barrel of hollow, and said water pipe is the some finned coil pipe that is arranged between outer cylinder body and the inner barrel, and said coil pipe is fixed between the inside and outside cylindrical shell; The outer upside of the upper end of said outer cylinder body and inner barrel is provided with top board; The outer downside of the lower end of said outer cylinder body and inner barrel is provided with base plate, and said inner barrel inner chamber downside is provided with rotating shaft, is fixedly connected with a circular turnover panel in the said rotating shaft; The size shape of the size shape of said circular turnover panel and inner barrel inner chamber matches, and the inner chamber of said inner barrel is the by-pass flue of economizer.
Said some coil pipes comprise finned outer ring coil pipe, centre circle coil pipe and the inner ring coil pipe that is arranged in on the circumference of same center of circle different-diameter.The number of turns of coil pipe decides with the capacity of size according to supporting boiler.
Preferably, said outer cylinder body outer wall is provided with external thermal insulation.The setting of heat-insulation layer prevents that heat from outwards dispersing.
Preferably, the upper and lower end of said inner barrel is respectively equipped with the mounting flange circle.The mounting flange circle the installation that makes things convenient for economizer is set.
Preferably, be connected with handle in the said rotating shaft.Being provided with of handle makes things convenient for the rotating shaft rotation.
The operation principle of the utility model, when operating personnel were rotated into erectility to the state of circular turnover panel in by-pass flue (inner barrel inner chamber), this by-pass flue was opened, and flue gas is flowed through this by-pass flue row to atmosphere.Also form the exhaust gases passes (cavity that forms between inner barrel and the outer cylinder body) of an annular between the inside and outside cylindrical shell, finned coil pipe is installed in the middle of the exhaust gases passes of annular.When operating personnel are rotated into level to the state of circular turnover panel in by-pass flue; By-pass flue is closed; Flue gas process in the ring smoke passage between the inside and outside cylindrical shell carries out arranging to atmosphere after the heat release to finned coil pipe again, and the boiler feedwater in the coil pipe absorbs the waste heat in the flue gas through the coil pipe outer wall; Thereby reduced exhaust gas temperature, improved boiler thermal output.
The utility model has adopted the coiled layout; Both can play the effect that increases heating surface area, strengthens the flue gas disturbance, improves the heat exchange effect; By-pass flue owing to economizer has adopted and coil pipe concentric type structures arranged form simultaneously; So practiced thrift the required floor space of former tube panel formula steel tube economizer by-pass flue, reduced the manufacturing operating cost of economizer, improved the thermal efficiency of boiler.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the cutaway view of the utility model.
1. outer cylinder bodies among the figure, 2. inner barrel, 3. top board, 4. base plate, 5. outer ring coil pipe, 6. centre circle coil pipe, 7. inner ring coil pipe, 8. circular turnover panel, 9. rotating shaft, 10. inlet header case, 11. outlet collection casees, 12. outer insulations, 13. handles, 14. mounting flange circles, 15. by-pass flues.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed explanation, but be not restriction the utility model protection domain.
As illustrated in fig. 1 and 2; A kind of concentric type is arranged the coiled economizer of by-pass flue; Whole cylindrical; Comprise top board 3, base plate 4, cylindrical shell, water pipe, be connected the inlet header case 10 of water pipe water inlet end and be connected the outlet collection case 11 of water pipe water side, cylindrical shell comprises the outer cylinder body 1 of hollow and the inner barrel 2 of hollow, and the inner chamber of inner barrel 2 is the by-pass flue 15 of economizer.Water pipe is three coil pipes that are arranged between outer cylinder body 1 and the inner barrel 2, comprises the finned outer ring coil pipe 5, centre circle coil pipe 6 and the inner ring coil pipe 7 that are arranged in on the circumference of same center of circle different-diameter.Outer ring coil pipe 5, centre circle coil pipe 6 and inner ring coil pipe 7 are separately fixed between the inside and outside cylindrical shell; The outer upside of the upper end of outer cylinder body 1 and inner barrel 2 is provided with top board 3; The outer downside of the lower end of outer cylinder body 1 and inner barrel 2 is provided with base plate 4; The rotating shaft 9 of inner barrel 2 inner chamber downsides is fixedly connected with a circular turnover panel 8, and the size shape of the size shape of circular turnover panel 8 and inner barrel 2 inner chambers matches.Outer cylinder body 1 outer wall is provided with external thermal insulation 12.The upper and lower end of inner barrel 2 is respectively equipped with mounting flange circle 14.The outside of rotating shaft 9 is connected with handle 13.
The manufacturing process of the utility model and the course of work: at first make each parts such as outer cylinder body 1, inner barrel 2, top board 3, base plate 4, outer ring coil pipe 5, centre circle coil pipe 6, inner ring coil pipe 7, circular turnover panel 8, rotating shaft 9, inlet header case 10, outlet collection case 11.Be assembled and welded together inner barrel 2, outer cylinder body 1 with base plate 4 then; Fix on inner ring coil pipe 7, centre circle coil pipe 6, the 5 dress solid weldings of outer ring coil pipe between inner barrel 2 and the inner barrel 1 successively again, link together inner barrel 2 and outer cylinder body 1 dress weldering from top with top board 3 then; Again respectively the port of export dress weldering of the weldering of the entrance point of inlet header case 10 and coil pipe 5,6,7 dress, outlet collection case 11 and coil pipe 5,6,7; Adorn weldering to the mounting flange circle 14 and the upper and lower end of inner barrel 2 respectively; At last, at outer cylinder body 1 outer package insulation material 12.
During boiler feed water, flue gas gets into from the lower end of inner barrel 2, and at this moment circular turnover panel 8 is rotated into level by manual work; By-pass flue in the middle of the inner barrel 2 is closed condition; Flue gas is just turned back from the outside week of tapping of inner barrel 2 bottoms, gets into the ring-like flue between inner barrel 2, the outer cylinder body 1, heat(ing) coil 5,6,7; Turn back to the center from the tapping on inner barrel 2 tops then, get into chimney row then to atmosphere.
When boiler stops into water; In order to prevent that the economizer steel pipe from being burnt out by overheated; After flue gas got into from the lower end of inner barrel 2, because at this moment circular turnover panel 8 is rotated into erectility by manual work, the by-pass flue in the middle of the inner barrel 2 in opened condition; Flue gas is arranged to atmosphere through chimney just directly from inner barrel 2 intermediate flow mistakes.
The utility model has adopted the coiled layout; Both can play the effect that increases heating surface area, strengthens the flue gas disturbance, improves the heat exchange effect; By-pass flue owing to economizer has adopted and coil pipe concentric type structures arranged form simultaneously; Practice thrift the required floor space of former tube panel formula steel tube economizer by-pass flue, reduced the manufacturing operating cost of economizer, improved the thermal efficiency of boiler.
Claims (5)
1. a concentric type is arranged the coiled economizer of by-pass flue; Comprise base plate, top board, cylindrical shell, water pipe, be connected the inlet header case of water pipe water inlet end and be connected the outlet collection case of water pipe water side; It is characterized in that: said cylindrical shell comprises the outer cylinder body of hollow and the inner barrel of hollow, and said water pipe is the some finned coil pipe that is arranged between outer cylinder body and the inner barrel, and said coil pipe is fixed between the inside and outside cylindrical shell; The outer upside of the upper end of said outer cylinder body and inner barrel is provided with top board; The outer downside of the lower end of said outer cylinder body and inner barrel is provided with base plate, and said inner barrel inner chamber downside is provided with rotating shaft, is fixedly connected with a circular turnover panel in the said rotating shaft; The size shape of the size shape of said circular turnover panel and inner barrel inner chamber matches, and the inner chamber of said inner barrel is the by-pass flue of economizer.
2. a kind of concentric type according to claim 1 is arranged the coiled economizer of by-pass flue, and it is characterized in that: said some coil pipes comprise finned outer ring coil pipe, centre circle coil pipe and the inner ring coil pipe that is arranged in on the circumference of same center of circle different-diameter.
3. a kind of concentric type according to claim 1 is arranged the coiled economizer of by-pass flue, and it is characterized in that: said outer cylinder body outer wall is provided with external thermal insulation.
4. a kind of concentric type according to claim 1 is arranged the coiled economizer of by-pass flue, and it is characterized in that: the upper and lower end of said inner barrel is respectively equipped with the mounting flange circle.
5. a kind of concentric type according to claim 1 is arranged the coiled economizer of by-pass flue, it is characterized in that: be connected with handle in the said rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203125640U CN202253575U (en) | 2011-08-25 | 2011-08-25 | Coiled pipe type economizer with concentrically arranged bypass flue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203125640U CN202253575U (en) | 2011-08-25 | 2011-08-25 | Coiled pipe type economizer with concentrically arranged bypass flue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202253575U true CN202253575U (en) | 2012-05-30 |
Family
ID=46114811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203125640U Expired - Fee Related CN202253575U (en) | 2011-08-25 | 2011-08-25 | Coiled pipe type economizer with concentrically arranged bypass flue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202253575U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954834A (en) * | 2018-09-10 | 2018-12-07 | 浙江特富锅炉有限公司 | The augmentation of heat transfer module of boiler |
| CN109386827A (en) * | 2018-11-29 | 2019-02-26 | 北京富士特锅炉有限公司 | A kind of coil tubes condensing coal economizer |
| CN110410762A (en) * | 2019-09-02 | 2019-11-05 | 扬州凯格节能科技有限公司 | A kind of steam boiler |
-
2011
- 2011-08-25 CN CN2011203125640U patent/CN202253575U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954834A (en) * | 2018-09-10 | 2018-12-07 | 浙江特富锅炉有限公司 | The augmentation of heat transfer module of boiler |
| CN109386827A (en) * | 2018-11-29 | 2019-02-26 | 北京富士特锅炉有限公司 | A kind of coil tubes condensing coal economizer |
| CN110410762A (en) * | 2019-09-02 | 2019-11-05 | 扬州凯格节能科技有限公司 | A kind of steam boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20200825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |