CN206731138U - A kind of back-blowing dust removing device - Google Patents
A kind of back-blowing dust removing device Download PDFInfo
- Publication number
- CN206731138U CN206731138U CN201720484612.1U CN201720484612U CN206731138U CN 206731138 U CN206731138 U CN 206731138U CN 201720484612 U CN201720484612 U CN 201720484612U CN 206731138 U CN206731138 U CN 206731138U
- Authority
- CN
- China
- Prior art keywords
- pulse compression
- compression air
- catalyst
- container
- air hose
- 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.)
- Expired - Fee Related
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- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model discloses a kind of back-blowing dust removing device, is related to the ash-clearing technology used in thermal power generation production, and in particular to a kind of back-blowing dust removing device for deashing in catalyst life management storehouse.Container, smoke exhaust pipe, pulse compression air leading-in conduit, pulse compression air hose, pulse compression air nozzle and diaphragm seal are placed including wind-collecting cover, catalyst；Catalyst is placed and is provided with wind-collecting cover directly over container, and gas skirt top surface is connected with smoke exhaust pipe；There is pulse compression air leading-in conduit in the bottom access that catalyst places container, pulse compression air hose is horizontally installed to the bottom that catalyst places container, pulse compression air leading-in conduit connection pulse compression air hose；Pulse compression air nozzle is provided with above pulse compression air hose, pulse compression air nozzle port is provided with diaphragm seal.The utility model solves the problems, such as that existing similar technique easily causes the efficiency decline of catalyst, retardance flue gas circulation.
Description
Technical field
It the utility model is related to the ash-clearing technology used in thermal power generation production, and in particular to one kind is used for catalyst life
Manage the back-blowing dust removing device of deashing in storehouse.
Background technology
At present, it is domestic in order to reduce NOx discharge in coal fired power plant, Benitration reactor is largely installed, denitrating catalyst can
It is N2 by the NOX oxidation generated in boiler, the removing to NOx plays an important roll, but cost of investment is high, and catalyst has use
Life-span is limited, and the catalyst for installing additional or more renewing is needed after expiring, adds cost of investment.Therefore should be by strengthening catalyst tube
The life-cycle management process such as reason, specification installation, operation, detection and maintenance, extends catalyst service life.
SCR（Selective catalytic reduction gas denitrifying technology）Flying dust of the reactor in operation in flue gas is attached to catalysis
The surface of agent, catalyst and smoke gas isolating are opened, and are declined the efficiency of catalyst, are blocked flue gas circulation.
The content of the invention
The utility model provides a kind of back-blowing dust removing device, and the utility model, which solves existing similar technique and easily caused, urges
The problem of efficiency of agent declines, retardance flue gas circulation.
To solve the above problems, the utility model adopts the following technical scheme that：A kind of back-blowing dust removing device, including collection wind
Cover, catalyst place container, smoke exhaust pipe, pulse compression air leading-in conduit, pulse compression air hose, pulse compression air nozzle and
Diaphragm seal；Catalyst is placed and is provided with wind-collecting cover directly over container, and gas skirt top surface is connected with smoke exhaust pipe；Place and hold in catalyst
The bottom access of device has pulse compression air leading-in conduit, and pulse compression air hose is horizontally installed to the bottom that catalyst places container
Portion, pulse compression air leading-in conduit connection pulse compression air hose；Pulse compression air is provided with above pulse compression air hose
Nozzle.
The advantages of the utility model：The deashing by the way of reverse gas cleaning.It is provided with pulse compression air nozzle, pulse pressure
Contracting air nozzle places the upward moment ejection large quantity of air of container bottom in catalyst, blows out dust stratification in duct.The utility model
Back-blowing dust removing device improve the efficiency of catalyst, flue gas it is unobstructed.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is diaphragm seal structural representation.
Symbol description in figure：Wind-collecting cover 1, catalyst place container 2, smoke exhaust pipe 3, pulse compression air leading-in conduit 4, pulse
Compressed air hose 5, pulse compression air nozzle 6, diaphragm seal 7.
Embodiment
The utility model is described in detail with optimal embodiment below.
As shown in Figure 1-2, the selective catalytic reduction method denitrating flue gas skill of equipment that a kind of back-blowing dust removing device matches
The reactor of art；Selective catalytic reduction gas denitrifying technology reactor includes carbon steel-made tower, flue gas with reinforcing rib
Inlet and outlet, catalyst place container 2, manhole door, inspection door, flange, catalyst installation aperture of door, guide vane and necessary company
Connected components.
A kind of back-blowing dust removing device includes wind-collecting cover 1, catalyst places container 2, smoke exhaust pipe 3, pulse compression air import
Pipe 4, pulse compression air hose 5, pulse compression air nozzle 6 and diaphragm seal 7；Catalyst is placed and is provided with collection directly over container 2
Fan housing 1, gas skirt 1 are the small truncated rectangular pyramids shape structures in the big top of lower port, and the top surface of gas skirt 1 is connected with smoke exhaust pipe 3；In catalyst
Placing the bottom access of container 2 has pulse compression air leading-in conduit 4, and pulse compression air hose 5 is horizontally installed to catalyst placement
The bottom of container 2, pulse compression air leading-in conduit 4 connect pulse compression air hose 5；Pulse compression air hose 5 is provided with above
Pulse compression air nozzle 6.
The port of pulse compression air nozzle 6 is provided with diaphragm seal 7, has M shape opening, diaphragm seal among the diaphragm seal 7
7 form six valve structures, and after compressed air blowout, diaphragm seal 7 is opened, and diaphragm seal 7 is closed and forms plane during no Air blowing
Structure, prevent dust from entering.
Finally it should be noted that：Obviously, above-described embodiment is only intended to clearly illustrate the utility model example,
And the restriction not to embodiment.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.And thus
Among the obvious changes or variations amplified out is still in the scope of protection of the utility model.
Claims (2)
1. a kind of back-blowing dust removing device, it is characterised in that place container, smoke exhaust pipe, pulse compression sky including wind-collecting cover, catalyst
Gas ingress pipe, pulse compression air hose, pulse compression air nozzle and diaphragm seal；Catalyst is placed and is provided with collection directly over container
Fan housing, gas skirt top surface are connected with smoke exhaust pipe；There are pulse compression air leading-in conduit, arteries and veins in the bottom access that catalyst places container
Rush compressed air hose and be horizontally installed to the bottom that catalyst places container, pulse compression air leading-in conduit connection pulse compression air
Pipe；Pulse compression air nozzle is provided with above pulse compression air hose.
2. a kind of back-blowing dust removing device as claimed in claim 1, it is characterised in that pulse compression air nozzle port is provided with close
Mounting, there is M shape opening among the diaphragm seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720484612.1U CN206731138U (en) | 2017-05-04 | 2017-05-04 | A kind of back-blowing dust removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720484612.1U CN206731138U (en) | 2017-05-04 | 2017-05-04 | A kind of back-blowing dust removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206731138U true CN206731138U (en) | 2017-12-12 |
Family
ID=60563729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720484612.1U Expired - Fee Related CN206731138U (en) | 2017-05-04 | 2017-05-04 | A kind of back-blowing dust removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206731138U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613170A (en) * | 2018-12-29 | 2019-04-12 | 浙江浙能兰溪发电有限责任公司 | A kind of denitrating catalyst performance monitoring device |
-
2017
- 2017-05-04 CN CN201720484612.1U patent/CN206731138U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613170A (en) * | 2018-12-29 | 2019-04-12 | 浙江浙能兰溪发电有限责任公司 | A kind of denitrating catalyst performance monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 |