CN109028121A - A kind of dust-removing flue reducing coal unit catalyst abrasion - Google Patents
A kind of dust-removing flue reducing coal unit catalyst abrasion Download PDFInfo
- Publication number
- CN109028121A CN109028121A CN201810462580.4A CN201810462580A CN109028121A CN 109028121 A CN109028121 A CN 109028121A CN 201810462580 A CN201810462580 A CN 201810462580A CN 109028121 A CN109028121 A CN 109028121A
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- CN
- China
- Prior art keywords
- economizer
- ash bucket
- denitrification apparatus
- entrance
- particulate matter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention discloses a kind of dust-removing flues for reducing coal unit catalyst abrasion, including boiler, economizer, economizer exit ash bucket, particulate matter deflector, denitrification apparatus, denitration entrance ash bucket, storehouse pump, catalytic unit, economizer is arranged in the boiler tail, economizer exit ash bucket is arranged in the outlet lower part of the economizer, the entrance of the outlet connection denitrification apparatus of the economizer, the outlet of the denitrification apparatus connects catalytic unit, particulate matter deflector is arranged in the inlet of the denitrification apparatus, denitration entrance ash bucket is arranged in the entrance lower part of the denitrification apparatus, the denitration entrance ash bucket connections storehouse pump, the outlet of the storehouse pump connects ash pipeline line；Generally, the present invention has the advantages that good dedusting effect, improves the service life of catalyst.
Description
Technical field
The invention belongs to dedusting technology fields, remove the cloud of dust more particularly to a kind of reduction coal unit catalyst abrasion
Road.
Background technique
Coal unit denitrating system majority is being urged using selective catalytic reduction method by spraying into ammonia in flue
Reaction of nitrogen oxides under the action of agent in ammonia and flue gas produces nitrogen and water.Due to containing a large amount of dust in flue gas
Particulate matter inevitably generates abrasion to catalyst, and fume amount is bigger, wears more severe.
Summary of the invention
The purpose of the present invention is to provide a kind of dust-removing flues for reducing coal unit catalyst abrasion, and the design is to tradition
Flue simply improved, by flue increase particulate matter deflector, so that the dust in flue gas is sunk after water conservancy diversion
Increase denitration entrance ash bucket to flue lower part, then flue lower part, makes dust after the accumulation of denitration entrance ash bucket, will be discharged under dust
Storehouse pump, is discharged into grey library using ash pipeline line.
The object of the present invention is achieved like this: a kind of dust-removing flue reducing coal unit catalyst abrasion, including pot
Furnace, economizer, economizer exit ash bucket, particulate matter deflector, denitrification apparatus, denitration entrance ash bucket, storehouse pump, catalytic unit, institute
The boiler tail setting economizer stated, economizer exit ash bucket, the economizer is arranged in the outlet lower part of the economizer
Outlet connection denitrification apparatus entrance, the outlet of the denitrification apparatus connects catalytic unit, and the denitrification apparatus enters
Particulate matter deflector is set at mouthful, and denitration entrance ash bucket, the denitration entrance is arranged in the entrance lower part of the denitrification apparatus
The outlet of ash bucket connections storehouse pump, the storehouse pump connects ash pipeline line.
The steel plate that the particulate matter deflector is integrally formed, the particulate matter deflector are set as three layers, described
Particulate matter deflector top the circular through hole that is arranged in array is set, filter screen is set in the circular through hole.
The beneficial effect comprise that: first is that, the ash of bulky grain sinks to denitration entrance by particulate matter deflector
Ash bucket.Second is that the biggish ash of little particle density can be deposited on denitration entrance ash bucket.Third is that the ash into denitration entrance ash bucket is logical
It crosses the defeated electric dust removing system storehouse that is fed directly to of ash-transmission system to pump, reduces the power consumption of electric precipitation.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the schematic perspective view of particulate matter deflector.
Fig. 3 is the overlooking structure diagram of particulate matter deflector.
In figure: 1, boiler 2, economizer 3, economizer exit ash bucket 4, particulate matter deflector 5, denitrification apparatus 6, de-
Nitre entrance ash bucket 7, storehouse pump 8, catalytic unit 9, ash pipeline line 10, circular through hole 11, filter screen.
Specific embodiment
With reference to the accompanying drawing to the embodiment of the present invention further instruction.
Embodiment 1
As illustrated in the accompanying drawings from 1 to 3, a kind of dust-removing flue reducing coal unit catalyst abrasion, including boiler 1, economizer 2, province's coal
Device exports ash bucket 3, particulate matter deflector 4, denitrification apparatus 5, denitration entrance ash bucket 6, storehouse pump 7, catalytic unit 8, the boiler 1
Economizer 2 is arranged in tail portion, and economizer exit ash bucket 3 is arranged in the outlet lower part of the economizer 2, and the economizer 2 goes out
The entrance of mouth connection denitrification apparatus 5, the outlet of the denitrification apparatus 5 connect catalytic unit 8, and the denitrification apparatus 5 enters
Particulate matter deflector 4 is set at mouthful, and denitration entrance ash bucket 6 is arranged in the entrance lower part of the denitrification apparatus 5, and the denitration enters
The outlet of mouth 6 connections storehouse of ash bucket pump 7, the storehouse pump 7 connects ash pipeline line 9.
The steel plate that the particulate matter deflector 4 is integrally formed, the particulate matter deflector 4 are set as three layers, institute
The circular through hole 10 being arranged in array is arranged in 4 top of particulate matter deflector stated, and filter screen is arranged in the circular through hole 10
11。
The present invention is when in use: flue gas is discharged by boiler, into economizer, is then entered by particulate matter deflector de-
Nitre device, then enters back into catalytic unit.It designs economizer exit and increases particulate matter deflector, particulate matter deflector is designed as whole
A steel plate designs different circular through holes according to different coals quality on steel plate, can will be under the grey water conservancy diversion to flue of bulky grain
Portion is eventually deposited at denitration entrance ash bucket as flue gas is mobile to denitration direction, and the short grained grey autodeposition in flue gas exists
At denitration entrance ash bucket.
Generally, the present invention has the advantages that good dedusting effect, improves the service life of catalyst.
Claims (2)
1. it is a kind of reduce coal unit catalyst abrasion dust-removing flue, including boiler, economizer, economizer exit ash bucket,
Grain object deflector, denitrification apparatus, denitration entrance ash bucket, storehouse pump, catalytic unit, economizer is arranged in the boiler tail, described
Economizer outlet lower part be arranged economizer exit ash bucket, the economizer outlet connection denitrification apparatus entrance, institute
The outlet for the denitrification apparatus stated connects catalytic unit, it is characterised in that: the inlet setting particulate matter of the denitrification apparatus is led
Denitration entrance ash bucket is arranged in flowing plate, the entrance lower part of the denitrification apparatus, and the denitration entrance ash bucket connections storehouse pump is described
Storehouse pump outlet connect ash pipeline line.
2. a kind of dust-removing flue for reducing coal unit catalyst abrasion according to claim 1, it is characterised in that: described
The steel plate that is integrally formed of particulate matter deflector, the particulate matter deflector is set as three layers, the particulate matter water conservancy diversion
The circular through hole being arranged in array is arranged in plate top, and filter screen is arranged in the circular through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810462580.4A CN109028121A (en) | 2018-05-15 | 2018-05-15 | A kind of dust-removing flue reducing coal unit catalyst abrasion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810462580.4A CN109028121A (en) | 2018-05-15 | 2018-05-15 | A kind of dust-removing flue reducing coal unit catalyst abrasion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109028121A true CN109028121A (en) | 2018-12-18 |
Family
ID=64611776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810462580.4A Pending CN109028121A (en) | 2018-05-15 | 2018-05-15 | A kind of dust-removing flue reducing coal unit catalyst abrasion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109028121A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108304A (en) * | 2021-05-28 | 2021-07-13 | 中国化学赛鼎宁波工程有限公司 | Flue gas outlet device of air preheater and flue gas discharge method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1137448A (en) * | 1997-07-15 | 1999-02-12 | Nippon Soda Co Ltd | Exhaust gas treating method |
| CN202212082U (en) * | 2011-09-14 | 2012-05-09 | 无锡华光新动力环保科技股份有限公司 | Pre-deduster for SCR (Selective Catalytic Reduction) smoke denitration of coal-fired boiler |
| CN102688629A (en) * | 2012-06-04 | 2012-09-26 | 东方电气集团东方锅炉股份有限公司 | SCR (selective catalytic reduction) denitration dedusting device |
| CN103406006A (en) * | 2013-08-30 | 2013-11-27 | 安徽省元琛环保科技有限公司 | SCR (Selective Catalytic Reduction) denitration device for NOx control of rotary cement kiln |
| CN103506005A (en) * | 2013-10-11 | 2014-01-15 | 东南大学 | SCR denitration device and denitration method applicable to middle and small-size boilers |
| CN104208958A (en) * | 2014-08-13 | 2014-12-17 | 国电科学技术研究院 | Evertile pre-dedusting apparatus used for selective catalytic reduction denitration system |
| CN205592980U (en) * | 2016-03-31 | 2016-09-21 | 大唐环境产业集团股份有限公司 | Denitration economizer high temperature bypass device |
-
2018
- 2018-05-15 CN CN201810462580.4A patent/CN109028121A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1137448A (en) * | 1997-07-15 | 1999-02-12 | Nippon Soda Co Ltd | Exhaust gas treating method |
| CN202212082U (en) * | 2011-09-14 | 2012-05-09 | 无锡华光新动力环保科技股份有限公司 | Pre-deduster for SCR (Selective Catalytic Reduction) smoke denitration of coal-fired boiler |
| CN102688629A (en) * | 2012-06-04 | 2012-09-26 | 东方电气集团东方锅炉股份有限公司 | SCR (selective catalytic reduction) denitration dedusting device |
| CN103406006A (en) * | 2013-08-30 | 2013-11-27 | 安徽省元琛环保科技有限公司 | SCR (Selective Catalytic Reduction) denitration device for NOx control of rotary cement kiln |
| CN103506005A (en) * | 2013-10-11 | 2014-01-15 | 东南大学 | SCR denitration device and denitration method applicable to middle and small-size boilers |
| CN104208958A (en) * | 2014-08-13 | 2014-12-17 | 国电科学技术研究院 | Evertile pre-dedusting apparatus used for selective catalytic reduction denitration system |
| CN205592980U (en) * | 2016-03-31 | 2016-09-21 | 大唐环境产业集团股份有限公司 | Denitration economizer high temperature bypass device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108304A (en) * | 2021-05-28 | 2021-07-13 | 中国化学赛鼎宁波工程有限公司 | Flue gas outlet device of air preheater and flue gas discharge method |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181218 |
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| RJ01 | Rejection of invention patent application after publication |