CN206430086U - A kind of boiler economizer structure - Google Patents
A kind of boiler economizer structure Download PDFInfo
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- CN206430086U CN206430086U CN201621175860.XU CN201621175860U CN206430086U CN 206430086 U CN206430086 U CN 206430086U CN 201621175860 U CN201621175860 U CN 201621175860U CN 206430086 U CN206430086 U CN 206430086U
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- economizer
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Abstract
The utility model provides a kind of boiler economizer structure applied to power plant boiler component technology field, described boiler economizer structure includes bypass economizer (1), subordinate's economizer (2), described bypass economizer (1) includes extended surface tube I (3), bypass economizer (1) is set to by the structure of many extended surface tube being arranged side by side I (3) bending arrangements, every extended surface tube I (3) is set to the reciprocally bending structure arranged into multilayer pipeline, every layer of pipeline of extended surface tube I (3) is disposed as horizontally disposed structure, the water inlet (4) of extended surface tube I (3) is connected with boiler, boiler economizer structure described in the utility model, it is simple in construction, manufacturing cost is low, the flue gas flow rate by economizer can effectively be reduced, reduce ash cutting of the flue gas to economizer, finally being prevented effectively from economizer there is booster leakage problem, improve economizer service life, reduce maintenance replacement cost.
Description
Technical field
The utility model belongs to power plant boiler component technology field, more specifically, is to be related to a kind of boiler economizer
Structure.
Background technology
Generation current factory boiler design is typically all standard design, and main flow boiler design is general to be faced by super critical boiler, pressure
Boundary's boiler, superpressure boiler and high-pressure boiler are designed, and the boiler design of power system is comparative maturity, are not had big
Design problem.But in the power plant for self-supply of metallurgical system, blast furnace rich in steel production has been burnt due to being mixed in thermal coal
Coal gas, coke-stove gas and coal gas of converter, because the combustion characteristics and thermal coal of coal gas are very different, a boiler multifuel combustion
Various kinds of coal gas is a huge test for the heating surface arrangement of boiler, it is necessary to economizer in the case of design ＆ check is a variety of
Heating surface is arranged, once the arrangement of heating surface, particularly back-end surfaces occurs in that small deviation, for the operation of whole boiler
Efficiency, service life can all produce unpredicted influence.Boiler factory is passed through in terms of the boiler of design metallurgical system power plant for self-supply
Production needs can not be met sometimes by testing in deficiency, design.The thing of tube bursting and leakage often occurs for boiler economizer in production practices,
The production that have impact on metallurgical power plant for self-supply is stable, causes very big loss.Many units are carried out to boiler economizer system
Transformation, but be due to lack to consider the overall air and flue system change in flow of boiler and economizer exit water temperature, transformation effect
It is really barely satisfactory, without solving practical problems.
Utility model content
Technical problem to be solved in the utility model is：There is provided a kind of simple in construction, energy in view of the shortcomings of the prior art
Enough effectively reductions reduce flue gas to the ash cutting of economizer, are finally prevented effectively from economizer by the flue gas flow rate of economizer
There is booster problem, improve the boiler economizer structure of economizer service life.
Techniques discussed above is solved the problems, such as, the technical scheme that the utility model is taken is：
The utility model is a kind of boiler economizer structure, described boiler economizer structure include bypass economizer, under
Level economizer, described bypass economizer includes extended surface tube I, and bypass economizer is set to by many extended surface tubes being arranged side by side I
Bend arrangement structure, every extended surface tube I be set to it is reciprocally bending into multilayer pipeline arrange structure, extended surface tube I it is every
Layer pipeline is disposed as horizontally disposed structure, and the water inlet of extended surface tube I is connected with boiler.
Described bypass economizer includes upper strata pipeline and lower floor's pipeline, the reciprocally bending multilayer in the every top of extended surface tube I
Pipeline formation upper strata pipeline, the pipeline formation lower floor pipeline of the every reciprocally bending multilayer in the bottom of extended surface tube I, upper strata pipeline and lower floor
People's aperture of door is set between pipeline.
The structure of arrangement, every fin are provided parallel between described every extended surface tube I and another adjacent extended surface tube I
The transverse pitch of interstitial structure is set between piece pipe I and another adjacent extended surface tube I.
The water inlet of the every extended surface tube I of described bypass economizer is set to the structure connected with intake antrum, every fin
The delivery port of piece pipe I is set to the structure connected with water chamber.
The quantity setting 3-6 of the extended surface tube I of described bypass economizer, every extended surface tube I and another adjacent fin
The size of the transverse pitch of piece pipe I is arranged on the structure between 200mm-300mm.
Wearing-resistant tile is also set up on described every extended surface tube I, wearing-resistant tile is wrapped in the outer layer of extended surface tube I.
Described subordinate's economizer includes many extended surface tubes II, and extended surface tube II is set to reciprocally bending formation multilayer pipeline
Structure, every layer of pipeline of extended surface tube II is disposed as horizontally disposed structure.
Using the technical solution of the utility model, following beneficial effect can be obtained：
Boiler economizer structure described in the utility model, passes through the fin of the bypass economizer to boiler economizer structure
The structure and arrangement of pipe I are changed, by the way that bypass economizer to be set to bend arrangement by many extended surface tubes being arranged side by side I
Structure, and every extended surface tube I be set to it is reciprocally bending into multilayer pipeline arrange structure, every layer of pipeline of extended surface tube I
It is disposed as horizontally disposed structure.Such structure setting, can be to the flue gas formation resistance by economizer, so that effectively
The flow velocity that flue gas passes through economizer is reduced, after flue gas flow rate reduction, flue gas will not produce flying dust mill to the surface of extended surface tube I again
Damage, effectively reduce the damage of extended surface tube I, improve the service life of extended surface tube I, and the extended surface tube during economizer use
I is not in frequent tube bursting and leakage problem, it is not necessary to frequently maintenance change, improve efficiency, reduce maintenance more exchange device into
This.Boiler economizer structure described in the utility model, simple in construction, manufacturing cost is low, can effectively reduce by economizer
Flue gas flow rate, reduction flue gas to the ash cutting of economizer, be finally prevented effectively from economizer and booster leakage problem occur, improve
Economizer service life, reduces maintenance replacement cost.
Brief description of the drawings
Brief description is made to the content expressed by each accompanying drawing of this specification and the mark in figure below：
Fig. 1 is the structural representation of the bypass economizer of boiler economizer structure described in the utility model；
Fig. 2 is the structural representation of subordinate's economizer of boiler economizer structure described in the utility model；
Accompanying drawing acceptance of the bid note be respectively：1st, economizer is bypassed；2nd, subordinate's economizer；3rd, extended surface tube I；4th, water inlet；5th, upper strata
Pipeline；6th, lower floor's pipeline；7th, people's aperture of door；8th, transverse pitch；9th, intake antrum；10th, delivery port；11st, water chamber；12nd, wearing-resistant tile；
13rd, extended surface tube II.
Embodiment
Below against accompanying drawing, by the description to embodiment, to embodiment of the present utility model as involved
Mutual alignment and annexation, the effect of each several part and operation principle between the shape of each component, construction, each several part etc. make into
The detailed description of one step：
As shown in accompanying drawing 1, accompanying drawing 2, the utility model is a kind of boiler economizer structure, described boiler economizer structure
Including bypass economizer 1, subordinate's economizer 2, described bypass economizer 1 includes extended surface tube I 3, bypass economizer 1 be set to by
The structure that many bendings of extended surface tube I 3 being arranged side by side are arranged, every extended surface tube I 3 is set to reciprocally bending into multilayer pipeline
The structure of arrangement, every layer of pipeline of extended surface tube I 3 is disposed as horizontally disposed structure, and water inlet 4 and the boiler of extended surface tube I 3 connect
It is logical.Said structure is set, and is changed by the structure and arrangement of the extended surface tube I 3 of the bypass economizer 1 to boiler economizer structure
Become, be set to by the way that economizer 1 will be bypassed by the structure of many bending arrangements of the extended surface tube being arranged side by side I 3, and every fin
Piece pipe I 3 is set to the reciprocally bending structure arranged into multilayer pipeline, and every layer of pipeline of extended surface tube I 3 is disposed as horizontally disposed
Structure.Such structure setting, can be to the flue gas formation resistance by economizer, so that effectively reduction flue gas passes through economizer
Flow velocity, after flue gas flow rate reduction, flue gas will not produce ash cutting to the surface of extended surface tube I again, effectively reduce fin
The damage of pipe I, improves the service life of extended surface tube I, and extended surface tube I is not in frequent booster during economizer use
Leakage problem, this way it is not necessary to which frequently maintenance is changed, improves efficiency, reduces maintenance and changes equipment cost, effect is notable.
Boiler economizer structure described in the utility model, simple in construction, manufacturing cost is low, can effectively reduce the cigarette by economizer
Gas velocity, reduction flue gas is finally prevented effectively from economizer and booster leakage problem occurs, improve and save coal to the ash cutting of economizer
Device service life, reduces maintenance replacement cost.
Described bypass economizer 1 includes upper strata pipeline 5 and lower floor's pipeline 6, and the every top of extended surface tube I 3 is reciprocally bending
Multilayer pipeline formation upper strata pipeline 5, the pipeline formation lower floor pipeline 6 of the every reciprocally bending multilayer in the bottom of extended surface tube I 3, upper strata pipe
People's aperture of door 7 is set between road 5 and lower floor's pipeline 6.Such structure setting, bypass economizer 1 can be reduced effectively by saving coal
The flow velocity of the flue gas of device, and when entering aperture of door setting, entering aperture of door is set to interstitial structure, so, easy access personnel are convenient to be entered
Overhauled, improve convenience.
The structure of arrangement, every are provided parallel between described every extended surface tube I 3 and another adjacent extended surface tube I 3
The transverse pitch 8 of interstitial structure is set between extended surface tube I 3 and another adjacent extended surface tube I 3.Described bypass economizer 1
The water inlet 4 of every extended surface tube I 3 is set to the structure connected with intake antrum 9, the delivery port 10 of every extended surface tube I 3 be set to
The structure that water chamber 11 is connected.
The quantity of the extended surface tube I 3 of the bypass economizer 1 sets 3-6, every extended surface tube I 3 with adjacent another
The size of the transverse pitch 8 of extended surface tube I 3 is arranged on the structure between 200mm-300mm.
Wearing-resistant tile 12 is also set up on described every extended surface tube I 3, wearing-resistant tile 12 is wrapped in the outer layer of extended surface tube I 3.Wearing-resistant tile
12 are played a protective role in extended surface tube I, and when flue gas passes through economizer, flue gas is acted on wearing-resistant tile, without directly connecing
Contact on extended surface tube I, until flue gas is carried out after erosion corrosion to wearing-resistant tile, flue gas can be just acted on extended surface tube I, so as to alleviate
Loss to extended surface tube, extends the life-span.
Described subordinate's economizer 2 includes many extended surface tubes II 13, and extended surface tube II 13 is set to reciprocally bending formation multilayer
The structure of pipeline, every layer of pipeline of extended surface tube II 13 is disposed as horizontally disposed structure.The structure setting of subordinate's economizer 2,
It is corresponding with the structure for bypassing economizer.After improving the structure for bypassing economizer, bypass economizer area is reduced a lot, meeting
Cause the flue-gas temperature rise by bypassing economizer, it is necessary to increase subordinate's economizer area, reduce exhaust gas temperature, improve effect
Rate, it is ensured that economizer reliably working.
Boiler economizer structure described in the utility model, passes through the fin of the bypass economizer to boiler economizer structure
The structure and arrangement of pipe I are changed, by the way that bypass economizer to be set to bend arrangement by many extended surface tubes being arranged side by side I
Structure, and every extended surface tube I be set to it is reciprocally bending into multilayer pipeline arrange structure, every layer of pipeline of extended surface tube I
It is disposed as horizontally disposed structure.Such structure setting, can be to the flue gas formation resistance by economizer, so that effectively
The flow velocity that flue gas passes through economizer is reduced, after flue gas flow rate reduction, flue gas will not produce flying dust mill to the surface of extended surface tube I again
Damage, effectively reduce the damage of extended surface tube I, improve the service life of extended surface tube I, and the extended surface tube during economizer use
I is not in frequent tube bursting and leakage problem, it is not necessary to frequently maintenance change, improve efficiency, reduce maintenance more exchange device into
This.Boiler economizer structure described in the utility model, simple in construction, manufacturing cost is low, can effectively reduce by economizer
Flue gas flow rate, reduction flue gas to the ash cutting of economizer, be finally prevented effectively from economizer and booster leakage problem occur, improve
Economizer service life, reduces maintenance replacement cost.
Exemplary description is carried out to the utility model above in conjunction with accompanying drawing, it is clear that the utility model concrete implementation is simultaneously
Do not limited by aforesaid way, if the various improvement that method design of the present utility model and technical scheme are carried out are employed, or
It is not improved that design of the present utility model and technical scheme are directly applied into other occasions, in protection of the present utility model
In the range of.
Claims (7)
1. a kind of boiler economizer structure, described boiler economizer structure includes bypass economizer (1), subordinate's economizer (2),
It is characterized in that：Described bypass economizer (1) includes extended surface tube I (3), and bypass economizer (1) is set to by many and arranged
Put extended surface tube I (3) bending arrangement structure, every extended surface tube I (3) be set to it is reciprocally bending into multilayer pipeline arrange
Structure, every layer of pipeline of extended surface tube I (3) is disposed as horizontally disposed structure, and water inlet (4) and the boiler of extended surface tube I (3) connect
It is logical.
2. boiler economizer structure according to claim 1, it is characterised in that：Described bypass economizer (1) includes upper
Layer pipeline (5) and lower floor's pipeline (6), the reciprocally bending multilayer pipeline formation upper strata pipeline (5) in every extended surface tube I (3) top, often
Pipeline formation lower floor's pipeline (6) of the reciprocally bending multilayer in root extended surface tube I (3) bottom, upper strata pipeline (5) and lower floor's pipeline (6) it
Between set people's aperture of door (7).
3. boiler economizer structure according to claim 1, it is characterised in that：Described every extended surface tube I (3) with it is adjacent
Another extended surface tube I (3) between be provided parallel to the structure of arrangement, every extended surface tube I (3) and another adjacent extended surface tube
The transverse pitch (8) of interstitial structure is set between I (3).
4. boiler economizer structure according to claim 1, it is characterised in that：Every of described bypass economizer (1)
The water inlet (4) of extended surface tube I (3) is set to the structure connected with intake antrum (9), and the delivery port (10) of every extended surface tube I (3) is set
It is set to the structure connected with water chamber (11).
5. boiler economizer structure according to claim 3, it is characterised in that：The fin of described bypass economizer (1)
The quantity setting 3-6 of pipe I (3), every extended surface tube I (3) and the transverse pitch (8) of another adjacent extended surface tube I (3)
Size is arranged on the structure between 200mm-300mm.
6. boiler economizer structure according to claim 1, it is characterised in that：Also set on described every extended surface tube I (3)
Wearing-resistant tile (12) is put, wearing-resistant tile (12) is wrapped in extended surface tube I (3) outer layer.
7. boiler economizer structure according to claim 1, it is characterised in that：Described subordinate's economizer (2) includes many
Root extended surface tube II (13), extended surface tube II (13) be set to it is reciprocally bending formation multilayer pipeline structure, extended surface tube II (13) it is every
Layer pipeline is disposed as horizontally disposed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621175860.XU CN206430086U (en) | 2016-10-26 | 2016-10-26 | A kind of boiler economizer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621175860.XU CN206430086U (en) | 2016-10-26 | 2016-10-26 | A kind of boiler economizer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206430086U true CN206430086U (en) | 2017-08-22 |
Family
ID=59589268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621175860.XU Active CN206430086U (en) | 2016-10-26 | 2016-10-26 | A kind of boiler economizer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206430086U (en) |
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2016
- 2016-10-26 CN CN201621175860.XU patent/CN206430086U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 243003 Department of intellectual property right of Hunan West Road No. 8 technology center, Ma'anshan City, Anhui Province Patentee after: Ma'anshan Iron and Steel Co., Ltd. Address before: 243003 Hunan Anhui West Road, No. 8 technology center, Intellectual Property Department Patentee before: Ma'anshan Iron and Steel Co., Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 243003 8 Jiuhua Road, Yushan, Ma'anshan, Anhui Patentee after: Ma'anshan Iron and Steel Co., Ltd. Address before: 243003 intellectual property department, technology center, No. 8 Hunan West Road, Yushan, Ma'anshan, Anhui Patentee before: Ma'anshan Iron and Steel Co., Ltd. |
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| CP02 | Change in the address of a patent holder |