CN207429951U - Based on the expanding dust-extraction unit of the separation of dust thickness and particle dust - Google Patents
Based on the expanding dust-extraction unit of the separation of dust thickness and particle dust Download PDFInfo
- Publication number
- CN207429951U CN207429951U CN201721130401.4U CN201721130401U CN207429951U CN 207429951 U CN207429951 U CN 207429951U CN 201721130401 U CN201721130401 U CN 201721130401U CN 207429951 U CN207429951 U CN 207429951U
- Authority
- CN
- China
- Prior art keywords
- dust
- expanding
- particle
- thickness
- separation
- 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
Links
Landscapes
- Electrostatic Separation (AREA)
Abstract
The utility model discloses a kind of high effect dust cleaners expanding based on the separation of dust thickness and particle dust, belong to field of environment engineering.The utility model ash-laden gas enters dust particles thickness separating mechanism by ash-laden gas entrance, is handled through dust particles thickness separating mechanism, and the coarse granule of 23 μm of grain size or more directly enters dedusting mechanism by crude particle dust pipeline；Fine grained below 23 μm of grain size enters the expanding room of dust by particle dust pipeline, and expanding dose of steam condensation of dust makes fine grained grain size become larger, particle dust is after expanding processing, into deduster on fine grained surface；Deduster to original crude particle dust and it is expanding after dust particles processing after, clean flue gas by clean flue gas export discharge.The utility model can handle the dust that grain size is less than 2 μm, and efficiency of dust collection significantly improves；The discharge of little particle flue dust can be greatly reduced, improves the PM2.5 of air, there is apparent social benefit.
Description
Technical field
It is more particularly to a kind of to be expanded based on the separation of dust thickness and particle dust the utility model is related to field of environment engineering
The high effect dust cleaner in footpath.
Background technology
Ash-laden gas is often discharged in industrial processes, it is very big to health and environmental hazard if being discharged into air,
Through the primary pollutant for becoming China various regions air, it is therefore desirable to carry out dust separation.Industry-wide deduster bag
Include cyclone separator, electrostatic precipitator and bag filter etc..
Cyclone separator efficiency of dust collection is low, and it is not high to be commonly used in dust removal requirement almost without effect for the dust to being less than 5 μm
In back yard industry equipment.
Electrostatic precipitator is now widely used cleaner, has very high total efficiency of dust collection, but to being less than 2.5
μm ultrafine dust, it is less efficient, and efficiency of dust collection is easily influenced be subject to physical characteristics such as the specific resistances of dust.
Bag filter also has very high efficiency of dust collection, but equally poor to the dust removing effects of ultra-fine grain dust,
And resistance is larger, effect is deteriorated after running a period of time, and cloth bag needs to regularly replace.
Therefore, it is increasingly strict in environmental requirement, in the case of especially PM2.5 is very high at this stage, make in industry
Conventional dust removal device cannot meet the needs of minimum discharge, and there is an urgent need for develop the novel deduster skill with higher efficiency
Art especially will have higher efficiency of dust collection to particle dust.
Utility model content
In order to make up for the deficiencies of the prior art, ultra-fine grain dust can not be removed by solving cleaner in the prior art, be removed
The problem of dirt is relatively inefficient, the utility model provide a kind of height expanding based on the separation of dust thickness and particle dust
Imitate dust-extraction unit.
The technical solution of the utility model is：
It is a kind of based on the separation of dust thickness and the expanding high effect dust cleaner of particle dust, including ash-laden gas entrance,
Dust particles thickness separating mechanism, the expanding mechanism of dust, dedusting mechanism and clean flue gas outlet；The dust particles thickness separation
Mechanism connection particle dust pipeline and crude particle dust pipeline, the crude particle dust pipeline are directly connected to dedusting mechanism；
The particle dust pipeline is connected by the expanding mechanism of the dust with the dedusting mechanism；The expanding mechanism of dust includes
The expanding room of dust, the expanding agent container of dust of expanding dose of built-in dust and the heater for heating expanding dose of dust；It is described
The expanding room of dust is connected with the expanding agent container of dust.
Preferably, the dust particles thickness separating mechanism is cyclone separator.
Further, the cyclone separator be by dust be divided into particle dust below 2-3 μm of grain size and 2-3 μm with
The cyclone separator of upper crude particle dust.
Preferably, the heater is located in the expanding agent container of the dust.
Preferably, the dedusting mechanism is electrostatic precipitator.Since electrostatic precipitator is industrial more
Deduster, and electrostatic precipitator is poor to PM2.5 ultra-fine grain dust effects, the dedusting mechanism in the utility model is preferably quiet
Electric precipitator.
Using the dust removal method of the high effect dust cleaner expanding based on the separation of dust thickness and particle dust, open
Heater heats expanding dose of dust, and expanding dose of steam of dust is made to be full of the expanding room of the dust；Ash-laden gas is entered by ash-laden gas
Mouth enters the dust particles thickness separating mechanism, is handled through the dust particles thickness separating mechanism, 2-3 μm of grain size or more
Crude particle dust directly by crude particle dust pipeline enter the dedusting mechanism；Particle dust below 2-3 μm of grain size
By particle dust pipeline into the expanding room of the dust, expanding dose of steam condensation of dust makes thin on particle dust surface
Granule dust grain size becomes larger, and particle dust is after expanding processing, into dedusting mechanism；Dedusting mechanism device is to original coarse granule
Dust and it is expanding after dust particles processing after, clean flue gas by clean flue gas export discharge.
Preferably, expanding dose of the dust is sodium hydroxide, potassium hydroxide, the mixture of calcium oxide.
Preferably, sodium hydroxide, potassium hydroxide, the weight ratio of calcium oxide are 2-5 in expanding dose of the dust:2-
5:1-2。
Preferably, the particle dust below 2-3 μm of the grain size is in the residence time of the expanding room of the dust
For 2-5 seconds.
Preferably, the temperature for heating expanding dose of dust is 1000-1200 DEG C.As long as expanding dose of generation of dust can be made
Inorganic Vapor.At this temperature, expanding effect is good enough.
The beneficial effects of the utility model are：
1st, the utility model carries out thickness separation to the dust in flue gas, only to ultra-fine grain dust（Grain size is less than 2-3 μ
m）Carrying out expanding processing makes the distribution of ultra-fine grain dust size become larger, and crude particle dust is not handled then, more targetedly, energy
Enough energy saving and operating costs.
2nd, using expanding dose of dust, steam condenses on ultra-fine grain dust surface, increases ultra-fine grain dust size,
The shortcomings that dedusting mechanism is not high to ultra-fine grain dust efficiency of dust collection can just be eliminated.
3rd, the utility model on original dust catcher foundation, it is thick can to increase dust with amplitude peak using existing equipment
Thin separating mechanism and the expanding mechanism of dust, just can greatly improve flue gas ash removal efficiency, have the advantages that improvement expenses is low.
4th, compared with traditional deduster, the efficiency of dust collection of the utility model increases significantly, and efficiency of dust collection is almost
100%.The discharge of little particle dust is greatly reduced, improves the PM2.5 of air, there is apparent social benefit.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is that the structure for the high effect dust cleaner that the utility model is separated based on dust thickness and particle dust is expanding is shown
It is intended to；
When Fig. 2 is using the utility model device, the expanding grain size distribution before and after the processing of particle dust flue dust；
Fig. 3 is the SEM figures of particle dust before the expanding chamber inlet of dust；
Fig. 4 is the SEM figures of particle after the expanding expanding processing in room exit of dust.
Specific embodiment
Embodiment 1
As shown in Figure 1, a kind of high effect dust cleaner expanding based on the separation of dust thickness and particle dust, including dust-laden
Smoke inlet 1, dust particles thickness separating mechanism 7, the expanding mechanism of dust, dedusting mechanism 4 and clean flue gas outlet 5.
Dust particles thickness separating mechanism 7 connects particle dust pipeline 2 and crude particle dust pipeline 6, crude particle dust
Pipeline 6 is directly connected to dedusting mechanism 4；Particle dust pipeline 2 is connected by the expanding mechanism of dust with dedusting mechanism 4；Dust
Expanding mechanism includes the expanding room 3 of dust, the expanding agent container 8 of the dust of expanding dose of built-in dust and for heating expanding dose of dust
Heater 9；Heater 9 is located in the expanding agent container 8 of dust.The expanding room 3 of dust agent container 8 expanding with dust is connected.
Wherein, dedusting mechanism 4 is traditional deduster, such as separation cyclone scrubber, electrostatic precipitator and bag filter
Deng；Due to electrostatic precipitator be industrial more deduster, and electrostatic precipitator to PM2.5 ultra-fine grains dust effect compared with
Difference, the dedusting mechanism 4 in the utility model are preferably electrostatic precipitator.Dust particles thickness separating mechanism fills for cyclonic separation
It puts.Dust can be divided into particle dust below 2-3 μm of grain size and 2-3 μm or more crude particle dust by the cyclone separator.
Embodiment 2
Using dust removal method of the embodiment 1 based on the expanding high effect dust cleaner of the separation of dust thickness and particle dust：
1）Prepare expanding dose of dust
Sodium hydroxide, potassium hydroxide, the weight ratio of calcium oxide are 2:1:1；
2）Heater is opened, heating temperature is 1150 DEG C, heats expanding dose of dust, expanding dose of steam of dust is made to be full of dust
Expanding room；
3）Ash-laden gas（Burned-coal fly ash）Dust particles thickness separating mechanism is entered by ash-laden gas entrance, through dust particles
The crude particle dust of the processing of thickness separating mechanism, 2-3 μm of grain size or more directly enters dedusting mechanism by crude particle dust pipeline
4（Electrostatic precipitator）；Particle dust below 2-3 μm of grain size enters the expanding room of dust by particle dust pipeline；
4）Particle dust below 2-3 μm of grain size is in the expanding indoor stop 2.3s of dust, then by pipeline into removing
Dirt mechanism 4（Electrostatic precipitator）
5）Crude particle dust and it is expanding after particle after bag filter is handled, clean flue gas is exported by clean flue gas
Discharge.
After testing, the total efficiency of dust collection of the present embodiment is almost 100%；Wherein, particle dust efficiency of dust collection is 99.9%；It is right
The efficiency of dust collection of crude particle dust is 99.99%.
Using multistage dust sampler（FA-3 types）To carrying out the survey of particle diameter distribution into the particle before and after the expanding room of dust
Amount and dust sampling, the results are shown in Figure 2, the results showed that is entering expanding before processing, the average grain diameter of dust is 2.5 μm；Through
After crossing expanding processing, the grading curve of dust is whole toward moving right, and shows that grain size increases, average grain diameter has reached 5.3 μ
M, it is expanding with obvious effects.
Seen by the scanning electron microscope result of Fig. 3, Fig. 4, it is expanding after particle diameter become larger, surface is smooth, is expanding dose of dust
Steam condenses what is formed.
Embodiment 3
Using dust removal method of the embodiment 1 based on the expanding high effect dust cleaner of the separation of dust thickness and particle dust：
1）Prepare expanding dose of dust
Sodium hydroxide, potassium hydroxide, the weight ratio of calcium oxide are 2:2:1；
2）Heater is opened, heating temperature is 1100 DEG C, heats expanding dose of dust, expanding dose of steam of dust is made to be full of dust
Expanding room；
3）Ash-laden gas（Burned-coal fly ash）Dust particles thickness separating mechanism is entered by ash-laden gas entrance, through dust particles
The crude particle dust of the processing of thickness separating mechanism, 2-3 μm of grain size or more directly enters dedusting mechanism by crude particle dust pipeline
4（Electrostatic precipitator）；Particle dust below 2-3 μm of grain size enters the expanding room of dust by particle dust pipeline；
4）Particle dust below 2-3 μm of grain size is in the expanding indoor stop 2.5s of dust, then by pipeline into removing
Dirt mechanism 4（Electrostatic precipitator）
5）Crude particle dust and it is expanding after particle after bag filter is handled, clean flue gas is exported by clean flue gas
Discharge.
After testing, the total efficiency of dust collection of the present embodiment is almost 100%；Wherein, particle dust efficiency of dust collection is 99.9%；It is right
The efficiency of dust collection of crude particle dust is 99.99%.
Embodiment 4
Using dust removal method of the embodiment 1 based on the expanding high effect dust cleaner of the separation of dust thickness and particle dust：
1）Prepare expanding dose of dust
Sodium hydroxide, potassium hydroxide, the weight ratio of calcium oxide are 3:2:1；
2）Heater is opened, heating temperature is 1050 DEG C, heats expanding dose of dust, expanding dose of steam of dust is made to be full of dust
Expanding room；
3）Ash-laden gas（Burned-coal fly ash）Dust particles thickness separating mechanism is entered by ash-laden gas entrance, through dust particles
The crude particle dust of the processing of thickness separating mechanism, 2-3 μm of grain size or more directly enters dedusting mechanism by crude particle dust pipeline
4（Separation cyclone scrubber）；Particle dust below 2-3 μm of grain size enters the expanding room of dust by particle dust pipeline；
4）Then particle dust below 2-3 μm of grain size enters dedusting in the expanding indoor stop 3s of dust by pipeline
Mechanism 4（Separation cyclone scrubber）
5）Crude particle dust and it is expanding after particle after bag filter is handled, clean flue gas is exported by clean flue gas
Discharge.
After testing, the total efficiency of dust collection of the present embodiment is almost 100%；Wherein, particle dust efficiency of dust collection is 99.9%；It is right
The efficiency of dust collection of crude particle dust is 99.99%.
Embodiment 5
Using dust removal method of the embodiment 1 based on the expanding high effect dust cleaner of the separation of dust thickness and particle dust：
1）Prepare expanding dose of dust
Sodium hydroxide, potassium hydroxide, the weight ratio of calcium oxide are 4:3:2；
2）Heater is opened, heating temperature is 1050 DEG C, heats expanding dose of dust, expanding dose of steam of dust is made to be full of dust
Expanding room；
3）Ash-laden gas（Burned-coal fly ash）Dust particles thickness separating mechanism is entered by ash-laden gas entrance, through dust particles
The crude particle dust of the processing of thickness separating mechanism, 2-3 μm of grain size or more directly enters dedusting mechanism by crude particle dust pipeline
4（Bag filter）；Particle dust below 2-3 μm of grain size enters the expanding room of dust by particle dust pipeline；
4）Then particle dust below 2-3 μm of grain size enters dedusting in the expanding indoor stop 3s of dust by pipeline
Mechanism 4（Bag filter）
5）Crude particle dust and it is expanding after particle after bag filter is handled, clean flue gas is exported by clean flue gas
Discharge.
After testing, the total efficiency of dust collection of the present embodiment is almost 100%；Wherein, particle dust efficiency of dust collection is 99.9%；It is right
The efficiency of dust collection of crude particle dust is 99.99%.
Comparative example 1
Only with embodiment 2 used in the identical electrostatic precipitator of dedusting mechanism handle burned-coal fly ash.
It will（Burned-coal fly ash）Electrostatic precipitator is passed directly into, after processing, flue gas is discharged by exhanst gas outlet.
After testing, simple electrostatic precipitator is 98.1% to total efficiency of dust collection of dust in flue gas, wherein to fine grained powder
The efficiency of dust collection of dirt is only 90.0%, and the efficiency of dust collection to crude particle dust is 99.99%.Grain size is less than 3 μm of dust particles phase
When a part is discharged by exhanst gas outlet.
Traditional electrostatic precipitator, efficiency of dust collection is low, lower particularly with particle dust efficiency of dust collection, adds air
Middle PM2.5, seriously affects air quality.Therefore traditional electrostatic precipitator is unsuitable for handling the more flue gas of particle dust.
Claims (5)
1. a kind of high effect dust cleaner expanding based on the separation of dust thickness and particle dust, it is characterised in that：Including dust-laden
Smoke inlet, dust particles thickness separating mechanism, the expanding mechanism of dust, dedusting mechanism and clean flue gas outlet；The dust
Grain thickness separating mechanism connection particle dust pipeline and crude particle dust pipeline, the crude particle dust pipeline are directly connected to
Dedusting mechanism；The particle dust pipeline is connected by the expanding mechanism of the dust with the dedusting mechanism；The dust expands
Footpath mechanism includes the expanding room of dust, the expanding agent container of dust of expanding dose of built-in dust and for heating adding for expanding dose of dust
Hot device；The expanding room of dust is connected with the expanding agent container of dust.
2. as described in claim 1 based on the expanding high effect dust cleaner of the separation of dust thickness and particle dust, feature exists
In：The dust particles thickness separating mechanism is cyclone separator.
3. as claimed in claim 2 based on the expanding high effect dust cleaner of the separation of dust thickness and particle dust, feature exists
In：The cyclone separator is that dust is divided into particle dust below 2-3 μm of grain size and 2-3 μm or more crude particle dust
Cyclone separator.
4. based on the separation of dust thickness and the expanding high effect dust cleaner of particle dust as described in claim any one of 1-3,
It is characterized in that：The heater is located in the expanding agent container of the dust.
5. based on the separation of dust thickness and the expanding high effect dust cleaner of particle dust as described in claim any one of 1-3,
It is characterized in that：The dedusting mechanism is electrostatic precipitator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721130401.4U CN207429951U (en) | 2017-09-05 | 2017-09-05 | Based on the expanding dust-extraction unit of the separation of dust thickness and particle dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721130401.4U CN207429951U (en) | 2017-09-05 | 2017-09-05 | Based on the expanding dust-extraction unit of the separation of dust thickness and particle dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207429951U true CN207429951U (en) | 2018-06-01 |
Family
ID=62302138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721130401.4U Expired - Fee Related CN207429951U (en) | 2017-09-05 | 2017-09-05 | Based on the expanding dust-extraction unit of the separation of dust thickness and particle dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207429951U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469536A (en) * | 2017-09-05 | 2017-12-15 | 浙江省能源与核技术应用研究院 | Based on the expanding dust arrester of the separation of dust thickness and particle dust and method |
-
2017
- 2017-09-05 CN CN201721130401.4U patent/CN207429951U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469536A (en) * | 2017-09-05 | 2017-12-15 | 浙江省能源与核技术应用研究院 | Based on the expanding dust arrester of the separation of dust thickness and particle dust and method |
| CN107469536B (en) * | 2017-09-05 | 2022-11-25 | 浙江省能源与核技术应用研究院 | Dust removal device and method based on dust thickness separation and fine particle dust diameter expansion |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203687563U (en) | Pneumatic drying device for material breaking | |
| CN106362880B (en) | Bipolar charge-cyclone separator and technique for flue gas dedusting | |
| CN209406608U (en) | A kind of cyclone dust collectors air purge set | |
| CN109663449A (en) | A kind of wet type inertial dust separator | |
| CN207429951U (en) | Based on the expanding dust-extraction unit of the separation of dust thickness and particle dust | |
| CN103406270A (en) | Dry method selective solid material two-stage separation device | |
| CN103252146A (en) | Vertical type electric dust collector integrated with gravity and cyclone dust collection | |
| CN205613163U (en) | Inertia dust collector is condensed in granule preliminary treatment | |
| CN2576316Y (en) | Novel bag-type composite duster | |
| CN201558749U (en) | A cyclone dust collector | |
| Lee et al. | Cyclone performance on removing fibrous particles generated from terry-towels and cotton clothes | |
| CN205762869U (en) | A kind of dust separation system of ceramic production line | |
| CN107469536A (en) | Based on the expanding dust arrester of the separation of dust thickness and particle dust and method | |
| CN216639554U (en) | Device for collecting and recycling diffused gas at top of blast furnace | |
| CN207886819U (en) | A kind of efficient cyclone dust-extraction unit | |
| CN205948567U (en) | Be applied to biofuel's negative pressure discharging equipment | |
| CN202490694U (en) | Electric spray dust collector | |
| CN216395754U (en) | Multifunctional industrial dust remover | |
| CN102861490A (en) | Atomizing spinning dust removing device | |
| CN203235383U (en) | Horizontal electrostatic precipitator integrating gravity and cyclone dust removal | |
| CN103263815B (en) | Horizontal electric dust collector with integrated gravity cyclone dust collection function | |
| CN204891506U (en) | Aluminium is multiple -effect dust collector for lime -ash | |
| CN206746225U (en) | A kind of Novel dust collection device | |
| CN207576046U (en) | A kind of NEW TYPE OF COMPOSITE dedusting takes off mist device | |
| CN111773871A (en) | A waste gas treatment device containing oil-water mixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |