CN205586811U - Denitration unit air preheater anti -clogging device - Google Patents
Denitration unit air preheater anti -clogging device Download PDFInfo
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- CN205586811U CN205586811U CN201620330056.8U CN201620330056U CN205586811U CN 205586811 U CN205586811 U CN 205586811U CN 201620330056 U CN201620330056 U CN 201620330056U CN 205586811 U CN205586811 U CN 205586811U
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- Prior art keywords
- air preheater
- dry powder
- denitration unit
- powder adsorbent
- flue
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Abstract
The utility model discloses a denitration unit air preheater anti -clogging device, including denitration unit, air preheater, a plurality of injection pipe and dry powder adsorbent raw material tank, the air preheater is located the top of denitration unit, the denitration unit with the air preheater intercommunication, even interval is vertical in the air preheater is equipped with a plurality of flues, the upper end of flue is flue gas inlet, and the lower extreme is the exhanst gas outlet, the dry powder adsorbent raw material tank freely place one side of air preheater, the injection pipe fixed connection be in on the dry powder adsorbent raw material tank, the jet of injection pipe seals to be worn to establish in the flue, the injection pipe is located the side of air preheater, dry powder adsorbent among the dry powder adsorbent raw material tank is basicity. This denitration unit air preheater anti -clogging device can reduce the formation of ammonium hydrogen sulfate, avoids the air preheater to block up, has guaranteed denitration efficiency and denitrification effect.
Description
Technical field
This utility model relates to denitration machine field, particularly relates to a kind of denitration unit air preheater preventing clogging up device.
Background technology
The development history of the nearlyest 40 years of external denitration technology, due to environmental protection pressure, domestic nearly 2 years
The large quantities of denitrification apparatus of coal unit puts into operation, owing to home and abroad unit operation condition difference is big, run the time
Short, denitrating system occurs in that such as air preheater blocking, catalyst abrasion, underload in actual applications
Problems such as moving back is compeled in denitration, and wherein, the reason affecting air preheater blocking is more, becomes more scabrous pass
One of key problem.
Air preheater blocking is mainly caused by the deposition of liquid sulfuric acid hydrogen ammonium, and air preheater blocking causes unit empty pre-
Device fume side pressure reduction increases so that denitration efficiency is low, and denitration effect is poor.
Existing improvement air preheater block general measure include increase air preheater cold end height, use penetrating
Property preferable heat storage plate wave mode, reduce moisture in boiler sootblowing steam and carry, mix burning low-sulfur coal etc., but these measures
All can not thoroughly administer air preheater blocking.
Because above-mentioned defect, the design people, the most in addition research and innovation, to founding a kind of denitration machine
Group air preheater preventing clogging up device so that it is have more the value in industry.
Utility model content
For solving above-mentioned technical problem, the purpose of this utility model is to provide one it can be avoided that air preheater blocks,
Ensure denitration efficiency and the denitration unit air preheater preventing clogging up device of denitration effect.
A kind of denitration unit air preheater preventing clogging up device that the utility model proposes, it is characterised in that: include taking off
Nitre unit, air preheater, some playpipes and dry powder adsorbent material case, described air preheater is positioned at described denitration
The top of unit, described denitration unit connects with described air preheater, and in described air preheater, uniform intervals vertically sets
Having some flues, the upper end of described flue is gas approach, and lower end is exhanst gas outlet, described dry powder adsorbent
Material box is freely placed at the side of described air preheater, and described playpipe is fixedly connected on described dry powder adsorbent
On material box, the jet of described playpipe seals and is located in described flue, and described playpipe is positioned at described
The side of air preheater, the dry powder adsorbent in described dry powder adsorbent material case is alkalescence.
As further improvement of the utility model, described dry powder adsorbent material case is provided with agitator,
Described agitator includes puddler and three stirring vanes, and the vertical rotational positioning of described puddler is at described dry powder
In adsorbent material case, described three stirring vane uniform intervals are fixed on the end portion of described puddler.
As further improvement of the utility model, the quantity of described playpipe is the twice of described flue quantity,
The both sides of each flue are all symmetrical arranged a playpipe.
As further improvement of the utility model, it is former that described playpipe is symmetrically connected to described dry powder adsorbent
The bottom of hopper two side, described playpipe is provided with charging absorption pump.
As further improvement of the utility model, the jet of described playpipe is positioned at the upper end of described flue
Part.
As further improvement of the utility model, described air preheater is plate air preheater.
By such scheme, this utility model at least has the advantage that this denitration unit air preheater blockage resisting
Alkaline adsorbent in dry powder adsorbent material case is ejected in the flue of air preheater by device by playpipe,
During flue gas enters flue, by alkaline adsorbent and the acidic materials (SO in flue gas3、HF、
HCL) adsorb, neutralize, thus the concentration of the acidic materials being greatly lowered in flue gas, reduce ammonium hydrogen sulfate
Formation, thus avoid air preheater to block, it is ensured that denitration efficiency and denitration effect.
Described above is only the general introduction of technical solutions of the utility model, in order to it is new to better understand this practicality
The technological means of type, and can be practiced according to the content of description, below with preferable reality of the present utility model
After executing example and coordinating accompanying drawing to describe in detail such as.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model denitration unit air preheater preventing clogging up device；
Fig. 2 is the schematic top plan view of this utility model denitration unit air preheater preventing clogging up device；
Wherein: 1-denitration unit；2-air preheater；3-playpipe；4-dry powder adsorbent material case；5-flue；
6-agitator；7-charging absorption pump；61-puddler；62-stirring vane.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is described in further detail.
Following example are used for illustrating this utility model, but are not limited to scope of the present utility model.
Embodiment: a kind of denitration unit air preheater preventing clogging up device, if including denitration unit 1, air preheater 2
Dry-spray pipe 3 and dry powder adsorbent material case 4, described air preheater is positioned at the top of described denitration unit, described
Denitration unit connects with described air preheater, and in described air preheater, uniform intervals is vertically provided with some flues 5, described
The upper end of flue is gas approach, and lower end is exhanst gas outlet, and described dry powder adsorbent material case is freely placed at
The side of described air preheater, described playpipe is fixedly connected on described dry powder adsorbent material case, described spray
The jet sealing penetrating pipe is located in described flue, and described playpipe is positioned at the side of described air preheater, institute
The dry powder adsorbent stated in dry powder adsorbent material case is alkalescence.
Being provided with agitator 6 in described dry powder adsorbent material case, described agitator includes puddler 61 and three
Individual stirring vane 62, the vertical rotational positioning of described puddler in described dry powder adsorbent material case, described three
Individual stirring vane uniform intervals is fixed on the end portion of described puddler.
The quantity of described playpipe is the twice of described flue quantity, and the both sides of each flue are all symmetrical arranged one
Playpipe.
Described playpipe is symmetrically connected to the bottom of described dry powder adsorbent material case two side, described playpipe
On charging absorption pump 7 is installed.
The jet of described playpipe is positioned at the upper part of described flue.
Described air preheater is plate air preheater.
Alkalescence in dry powder adsorbent material case is inhaled by this denitration unit air preheater preventing clogging up device by playpipe
Attached dose is ejected in the flue of air preheater, during flue gas enters flue, by alkaline adsorbent and cigarette
Acidic materials (SO in gas3, HF, HCL) adsorb, neutralize, thus the acidity being greatly lowered in flue gas
The concentration of material, reduces the formation of ammonium hydrogen sulfate, thus avoids air preheater block, it is ensured that denitration efficiency with
Denitration effect.
The above is only preferred implementation of the present utility model, is not limited to this utility model, should
When pointing out, for those skilled in the art, without departing from this utility model know-why
On the premise of, it is also possible to making some improvement and modification, these improve and modification also should be regarded as this utility model
Protection domain.
Claims (6)
1. a denitration unit air preheater preventing clogging up device, it is characterised in that: include denitration unit, air preheater,
Some playpipes and dry powder adsorbent material case, described air preheater is positioned at the top of described denitration unit, described
Denitration unit connects with described air preheater, and in described air preheater, uniform intervals is vertically provided with some flues, described
The upper end of flue is gas approach, and lower end is exhanst gas outlet, and described dry powder adsorbent material case is freely placed at
The side of described air preheater, described playpipe is fixedly connected on described dry powder adsorbent material case, described spray
The jet sealing penetrating pipe is located in described flue, and described playpipe is positioned at the side of described air preheater, institute
The dry powder adsorbent stated in dry powder adsorbent material case is alkalescence.
A kind of denitration unit air preheater preventing clogging up device the most according to claim 1, it is characterised in that:
Being provided with agitator in described dry powder adsorbent material case, described agitator includes puddler and three paddles
Sheet, the vertical rotational positioning of described puddler in described dry powder adsorbent material case, described three stirring vanes
Uniform intervals is fixed on the end portion of described puddler.
A kind of denitration unit air preheater preventing clogging up device the most according to claim 1, it is characterised in that:
The quantity of described playpipe is the twice of described flue quantity, and the both sides of each flue are all symmetrical arranged an injection
Pipe.
4., according to a kind of denitration unit air preheater preventing clogging up device described in Claims 2 or 3, its feature exists
In: described playpipe is symmetrically connected to the bottom of described dry powder adsorbent material case two side, described playpipe
On charging absorption pump is installed.
A kind of denitration unit air preheater preventing clogging up device the most according to claim 4, it is characterised in that:
The jet of described playpipe is positioned at the upper part of described flue.
A kind of denitration unit air preheater preventing clogging up device the most according to claim 5, it is characterised in that:
Described air preheater is plate air preheater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620330056.8U CN205586811U (en) | 2016-04-19 | 2016-04-19 | Denitration unit air preheater anti -clogging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620330056.8U CN205586811U (en) | 2016-04-19 | 2016-04-19 | Denitration unit air preheater anti -clogging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205586811U true CN205586811U (en) | 2016-09-21 |
Family
ID=56934440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620330056.8U Expired - Fee Related CN205586811U (en) | 2016-04-19 | 2016-04-19 | Denitration unit air preheater anti -clogging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205586811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923392A (en) * | 2021-03-19 | 2021-06-08 | 苏州西热节能环保技术有限公司 | Method for removing hardened ash scale of boiler air preheater |
-
2016
- 2016-04-19 CN CN201620330056.8U patent/CN205586811U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923392A (en) * | 2021-03-19 | 2021-06-08 | 苏州西热节能环保技术有限公司 | Method for removing hardened ash scale of boiler air preheater |
| CN112923392B (en) * | 2021-03-19 | 2022-05-17 | 苏州西热节能环保技术有限公司 | Method for removing hardened ash scale of boiler air preheater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 3195, Jilin high tech Zone Wei Shan Road, Changchun, Jilin Patentee after: Datang northeast electric power test and Research Institute Co., Ltd. Address before: No. 3195, Jilin high tech Zone Wei Shan Road, Changchun, Jilin Patentee before: DATANG NORTHEAST ELECTRIC POWER TEST RESEARCH INSTITUTE CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Juguo Inventor after: Yang Lizhi Inventor after: Cai Zhen Inventor after: Gu Zengyi Inventor after: Wang Xiaodong Inventor before: Gu Zengyi Inventor before: Wang Xiaodong |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201111 Address after: Gongnong Township, Longshan District, Liaoyuan City, Jilin Province Patentee after: DATANG LIAOYUAN POWER PLANT Address before: 130012 Changchun high tech Zone, Jilin province Wei Shan Road, No. 3195 Patentee before: DATANG NORTHEAST ELECTRIC POWER TEST & RESEARCH INSTITUTE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 Termination date: 20200419 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |