CN103851929A - Steam mixed-type heating mixed flow apparatus - Google Patents
Steam mixed-type heating mixed flow apparatus Download PDFInfo
- Publication number
- CN103851929A CN103851929A CN201210496126.3A CN201210496126A CN103851929A CN 103851929 A CN103851929 A CN 103851929A CN 201210496126 A CN201210496126 A CN 201210496126A CN 103851929 A CN103851929 A CN 103851929A
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- China
- Prior art keywords
- cone structure
- circular cone
- steam
- type heating
- big
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
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- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a steam mixed-type heating mixed flow apparatus, which comprises a short truncated cone structure with a reduction shape from up to down, a circular ring bench structure, a long truncated cone structure with a reduction shape from down to up, and a pedestal connection support part; the short truncated cone structure with the reduction shape from up to down is connected to the circular ring bench structure, the circular ring bench structure is connected to the long truncated cone structure with the reduction shape from down to up, the long truncated cone structure with the reduction shape from down to up is connected to the pedestal connection support part, and the pedestal connection support part is connected to an equipment pedestal. The steam mixed-type heating mixed flow apparatus has the advantages of reasonable structure, fast and convenient installation, high processing quality, rapid heat exchange of gas and water, good work environment, safety and reliability.
Description
Technical field
The present invention relates to a kind of steam mixing type heating flow mixing device, be particularly applicable to thermal power plant air preheater flush box hot-water heating system.
Background technology
To be exactly flue gas in boiler back end ductwork will enter air preheat before the boiler heating surface to uniform temperature by inner fin with the air preheater of thermal power plant coal-fired power station boiler.And flue gas contains a large amount of dust, these dust stick on fin non-quantitative, in running, reach the cleaning of dust by soot blower, but clear up not thoroughly, facts have proved, the deposit being attached on preheater heating surface strengthens blowing ash in any case, also can not remove, and in the time that preheater flue gas resistance exceeds 70～100 millimeter of water than design load, just need blowing out, preheater is once cleaned.When cleaning, require the every about 4600kg/min rinse water of scavenge pipe flow temperature between 70 DEG C ~ 80 DEG C, pH value is greater than 11(and adds caustic soda and reach), noise is less than 85 decibels.
In order to reach the requirement of above-mentioned rinse water, the air preheater flush box that present most occasions are used is all to adopt to get steam turbine low pressure (LP) cylinder auxiliary steam and heat, and is mixed heating mode and mode of heating adopts.Adopt supervisor to coordinate arm steam directly to spray into cold water and carry out Hybrid Heating.Extensive like this mode often causes heating inhomogeneous, and when heating process steam-water mixing, noise is large, makes caustic soda can not fully dissolve mixing, and consumption increases, and pH value is unstable.Above-mentioned these defects have greatly affected cleaning performance and efficiency, even may cause the major accidents such as cleaning is not so good as not clean.
Summary of the invention
The present invention has developed a kind of steam mixing type heating flow mixing device, its objective is a kind of facility rational in infrastructure, quick for installation is provided, crudy is high, steam-water heat exchanging is fast, good work environment, safe and reliable steam mixing type heating flow mixing device.
For achieving the above object, apparatus of the present invention are achieved through the following technical solutions, steam mixing type heating flow mixing device, comprise short up big and down small circular cone structure, annulus platform structure, long up-small and down-big circular cone structure, subbase connection support component combination forms, short up big and down small circular cone structure is connected with annulus platform structure, annulus platform structure is connected with long up-small and down-big circular cone structure, long up-small and down-big circular cone structure is connected with subbase connection support parts, and subbase connection support parts are connected with equipment base.The high-temperature-hot-water stream that this combination forms nozzle is up, stirs flow mixing device periphery and makes it, centered by mixed flow frustum, to have formed within the specific limits swirling body.This swirling body will drive periphery current to flow in tank body, reach and mix heating soon.The steam due to flow mixing device, nozzle being sprayed has again been limited in a little space, makes exchange heat fast, and the time is short, and noise content is low, then drives the heat flow that adds of whole tank body by adopting Multipoint Uniform to arrange.
The invention has the beneficial effects as follows that fast steam conversion is formed flow of hot water by the little space that forms by the frustum of a cone, and determining to present eddy current trend in region, under inwardly projecting orifice device coordinates in addition, reach unpowered stirring current, make exchange heat fast, short time, low noise volume.
Brief description of the drawings
Fig. 1 is the structural representation of steam mixing type heated nozzle device of the present invention.
detailed description of the invention:
below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
As shown in Figure 1, a kind of steam mixing type heating flow mixing device, comprise short up big and down small circular cone structure 1, annulus platform structure 2, long up-small and down-big circular cone structure 3, subbase connection support parts 4, short up big and down small circular cone structure 1 is connected with annulus platform structure 2, annulus platform structure 2 is connected with long up-small and down-big circular cone structure 3, long up-small and down-big circular cone structure 3 is connected with subbase connection support parts 4, subbase connection support parts 4 are connected with equipment base, the high-temperature-hot-water stream that this combination forms nozzle is up, stirring flow mixing device periphery makes it centered by mixed flow frustum, form within the specific limits swirling body.This swirling body will drive periphery current to flow in tank body, reach and mix heating soon.The steam due to flow mixing device, nozzle being sprayed has again been limited in a little space, makes exchange heat fast, and the time is short, and noise content is low, then drives the heat flow that adds of whole tank body by adopting Multipoint Uniform to arrange.
Claims (2)
1. a steam mixing type heating flow mixing device, comprise short up big and down small circular cone structure (1), annulus platform structure (2), long up-small and down-big circular cone structure (3), subbase connection support parts (4), it is characterized in that: short up big and down small circular cone structure (1), annulus platform structure (2), it is main assembly that long up-small and down-big circular cone structure (3) is in turn connected into.
2. a kind of steam mixing type heating flow mixing device according to claim 1, it is characterized in that: short up big and down small circular cone structure (1), annulus platform structure (2), large mouthful of bottom and long end that long up-small and down-big circular cone structure (3) forms, middle part reducing is reduced to straight section, and top is at hole enlargement shedding motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210496126.3A CN103851929A (en) | 2012-11-29 | 2012-11-29 | Steam mixed-type heating mixed flow apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210496126.3A CN103851929A (en) | 2012-11-29 | 2012-11-29 | Steam mixed-type heating mixed flow apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103851929A true CN103851929A (en) | 2014-06-11 |
Family
ID=50859884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210496126.3A Pending CN103851929A (en) | 2012-11-29 | 2012-11-29 | Steam mixed-type heating mixed flow apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103851929A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154775A (en) * | 2014-08-15 | 2014-11-19 | 哈尔滨宏万智科技开发有限公司 | A wind power steam mixing device |
-
2012
- 2012-11-29 CN CN201210496126.3A patent/CN103851929A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154775A (en) * | 2014-08-15 | 2014-11-19 | 哈尔滨宏万智科技开发有限公司 | A wind power steam mixing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140611 |