CN207413005U - A kind of dust pelletizing system of alkaline process filter aid - Google Patents
A kind of dust pelletizing system of alkaline process filter aid Download PDFInfo
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- CN207413005U CN207413005U CN201721258842.2U CN201721258842U CN207413005U CN 207413005 U CN207413005 U CN 207413005U CN 201721258842 U CN201721258842 U CN 201721258842U CN 207413005 U CN207413005 U CN 207413005U
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- bag filter
- powder
- dry powder
- pelletizing system
- dust pelletizing
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Abstract
A kind of dust pelletizing system of alkaline process filter aid, belongs to flue gas ash removal technical field.Including bag filter（1）, it is characterised in that：In the bag filter（1）Inlet air stack（5）One side connection provides the powder storehouse of dry powder（10）, in bag filter（1）Discharge port installation screw(-type) feeder（2）, pass through screw(-type) feeder（2）Connect powder dilution device, powder dilution device connection desulfurization pond（6）.The utility model causes flue gas to be mutually mixed before bag filter is entered with dry powder; dry powder can form layer protecting film on the surface of bag filter; absorb a certain amount of sulfur dioxide, tar, moisture etc.; it prevents fouling, blocking, corrosion of the flue gas to the cloth bag of bag filter, improves the service life of cloth bag.The utility model can either use the dry powder collected in bag filter ash bucket using stirring system supply desulfurization pond is diluted, and in turn avoids the one cycle waste of dry powder, reduces the operating cost in dust-removal and desulfurizing pond.
Description
Technical field
A kind of dust pelletizing system of alkaline process filter aid, belongs to flue gas ash removal technical field.
Background technology
In carbon anode production, primary raw material is petroleum coke, makees adhesive with pitch, and mixes recycling anode scrap, anode scrap
Containing fluoride, since 15% or so the pitch mixed in proportioning usually has half coking in roasting process, remaining
Become substantial amounts of tobacco（Glance coal）Discharge makes in baking furnace fume containing harmful substances such as fluorine, sulphur, tar, dust.Glance coal
Different with general flue gas, outside chalk dust removing, also containing raw coke oven gas, tar cigarette etc. in coke oven coal-charging flue gas, this just makes flue gas net
Chemical industry skill becomes complicated.
Bag filter is also referred to as filtration dust catcher, is a kind of dry type high efficiency deduster, it utilizes organic fiber or nothing
The cleaner that the bag type filter elements that machine fibrous braid makes filter out solid particulate matter in dusty gas, it is non-for trapping
The industrial dust of caking property, non-fiber.But when tar content is big, water capacity is higher in the flue gas in flue gas, flue gas passes through
The problems such as causing fouling, blocking, corrosion during cloth bag to cloth bag, reduces the service life of bag filter.
The content of the invention
Technical problem to be solved in the utility model is：Overcoming the deficiencies of the prior art and provide one kind avoids cloth bag from removing
The problem of easy fouling of dirt device, blocking, corrosion, can reduce the dedusting system for the alkaline process filter aid that the dry powder in dust removal process wastes
System.
The utility model solve its technical problem the technical solution adopted is that：The dust pelletizing system of the alkaline process filter aid, including
Bag filter, it is characterised in that：The powder storehouse that dry powder is provided is connected in the inlet air stack one side of the bag filter, in cloth
The discharge port installation screw(-type) feeder of bag dust collector, powder dilution device is connected by screw(-type) feeder, powder dilution device
Discharge port connection desulfurization pond.
The powder storehouse connects inlet air stack by conveying equipment with gas transmission pipeline.
The conveying equipment is pneumatic conveyer or elevator.
Drag conveyor is equipped between the screw(-type) feeder and the outlet of bag filter bottom aggregate bin.Pass through scraper plate
Dust in the ash bucket of bag filter bottom is conveyed to screw conveyor by conveyer, ensures the circulation material conveying of screw conveyor.
The powder dilution device includes agitator tank and chute, and lye, the connection of agitator tank exit are contained in agitator tank
Chute.
The dry powder is magnesia, calcium oxide, calcium carbonate or magnesium carbonate powder.
Compared with prior art, advantageous effect possessed by the utility model is：
The utility model adds a set of powder storehouse in the air inlet of bag filter, utilizes 1 or more Geldart-D particles
Dry powder is transported on the air inlet flue of bag filter by systematic quantification.Dry powder and flue gas are mixed using the suction function of pipeline
It amounts into bag filter, dry powder can absorb sulfur dioxide, tar, moisture in part of smoke etc., mixed flue gas
A dust removal by filtration desulfurization is carried out when by bag filter.Under the pulse jet effect of bag filter, flue dust and dry
Powder is fallen into the ash bucket of bag filter bottom.The bottom side of ash bucket is equipped with dry powder screw(-type) feeder, and screw(-type) feeder will be dry
Powder is transported to dry powder dilution system, stirs lye after curing by dry powder dilution system, is transported to desulfurization pond as needed, supplies
Final dusting desulfurization is carried out to desulfurizing tower.It is mutually mixed before flue gas enters bag filter with dry powder, dry powder can be in cloth bag
The surface of deduster forms layer protecting film, absorbs a certain amount of sulfur dioxide, tar, moisture etc., prevents flue gas to bag-type dust
Structure fouling, blocking, the corrosion of the cloth bag of device improve the service life of cloth bag.The utility model can either be by bag filter
The dry powder collected in ash bucket is used using stirring system supply desulfurization pond is diluted, and in turn avoids the one cycle waste of dry powder, drop
The operating cost in low dust-removal and desulfurizing pond.
Description of the drawings
Fig. 1 is a kind of dust pelletizing system front view schematic diagram of alkaline process filter aid.
Fig. 2 is a kind of dust pelletizing system top view illustration of alkaline process filter aid.
Wherein, 1, bag filter 2, screw(-type) feeder 3, gas transmission pipeline 4, conveying equipment 5, air inlet
Flue 6, desulfurization pond 7, chute 8, agitator tank 9, drag conveyor 10, powder storehouse.
Specific embodiment
Fig. 1 ~ 2 are the most preferred embodiments of the utility model, and 1 ~ 2 pair of the utility model is done furtherly below in conjunction with the accompanying drawings
It is bright.
Referring to the drawings 1 ~ 2：A kind of dust pelletizing system of alkaline process filter aid, including bag filter 1, in bag filter 1
The connection of 5 one side of inlet air stack provides the powder storehouse 10 of dry powder, installs screw(-type) feeder 2 in the discharge port of bag filter 1, passes through
Screw(-type) feeder 2 connects powder dilution device, the discharge port connection desulfurization pond 6 of powder dilution device.
Powder storehouse 10 connects inlet air stack 5 by conveying equipment 4 and gas transmission pipeline 3.Conveying equipment 4 is Geldart-D particle
Machine, can also use elevator, and conveying equipment 4 can be that one or more is set simultaneously.Screw(-type) feeder 2 and bag filter 1
Drag conveyor 9 is equipped between bottom discharge mouth.Powder dilution device includes agitator tank 8 and chute 7, and alkali is contained in agitator tank 8
Liquid, 8 exit of agitator tank connection chute 7.Dry powder is preferably magnesia or calcium oxide powder, other can also be used and absorbs powder,
Such as calcium carbonate, magnesium carbonate.Lined ceramics or bimetal wear resistant elbow are used at dry powder feed system conveying pipeline bend.
Operation principle and the course of work：A set of powder storehouse 10 is installed in the air inlet position of bag filter 1, utilizes 1
Or more air-transport systems are quantitative that dry powder is transported on the air inlet flue of bag filter 1.Made using the negative pressure of pipeline
With mixing dry powder with flue gas jointly into bag filter 1, dry powder can absorb sulfur dioxide, coke in part of smoke
Oil, moisture etc., mixed flue gas carry out a dust removal by filtration desulfurization when by bag filter 1.In the pulse of bag filter 1
Under injection effect, flue dust and dry powder are fallen into ash bucket.The bottom of ash bucket is connected with drag conveyor 9, and drag conveyor 9 will cycle
Dry powder screw(-type) feeder 2, dry powder is transported to dry powder dilution system by screw(-type) feeder 2, is stirred by dry powder dilution system ripe
Lye after change, is transported to desulfurization pond 6 as needed, and supply desulfurizing tower carries out final dusting desulfurization.
A set of powder storehouse 10 in 1 forepart of bag filter is installed, is periodically added using pump truck in powder storehouse 10 dry
Powder connects gas transportation facilities 4 in the bottom in powder storehouse 10, and conveying equipment quantitative as needed can pass through dry powder
Gas transmission pipeline 3 is sent into inlet air stack 5 and is mixed with flue gas, and dry powder can absorb certain two during being mixed with flue gas
Sulfur oxide, tar, moisture etc..After mixed gas enters bag filter 1, the filtration of bag filter 1 will be in flue gas
Dust-filtering, 1 pulse valve blowing of bag filter effect under, dust is fallen into 1 ash bucket of bag filter.At the bottom of ash bucket
Portion is connected with drag conveyor 9, and the flue dust of multiple ash buckets is transported to screw(-type) feeder 2, screw feeder by drag conveyor 9 jointly
Flue dust is sent to agitator tank 8 by machine 2, and mixing is stirred in agitator tank 8, is then supplied to desulfurization pond 6 by chute 7.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of variation.But it is every without departing from the content of the technical scheme of the utility model, the technology according to the utility model is real
Any simple modification, equivalent variations and the remodeling that confrontation above example is made still fall within the guarantor of technical solutions of the utility model
Protect scope.
Claims (6)
1. a kind of dust pelletizing system of alkaline process filter aid, including bag filter（1）, it is characterised in that：In the bag filter
（1）Inlet air stack（5）One side connection provides the powder storehouse of dry powder（10）, in bag filter（1）Discharge port installation spiral
Batcher（2）, pass through screw(-type) feeder（2）Connect powder dilution device, the discharge port connection desulfurization pond of powder dilution device
（6）.
2. a kind of dust pelletizing system of alkaline process filter aid according to claim 1, it is characterised in that：The powder storehouse（10）
Pass through conveying equipment（4）And gas transmission pipeline（3）Connect inlet air stack（5）.
3. a kind of dust pelletizing system of alkaline process filter aid according to claim 2, it is characterised in that：The conveying equipment
（4）For pneumatic conveyer or elevator.
4. a kind of dust pelletizing system of alkaline process filter aid according to claim 1, it is characterised in that：The screw(-type) feeder
（2）With bag filter（1）Bottom is equipped with drag conveyor between aggregate bin outlet（9）.
5. a kind of dust pelletizing system of alkaline process filter aid according to claim 1, it is characterised in that：The powder dilution dress
It puts including agitator tank（8）And chute（7）, agitator tank（8）Interior splendid attire lye, agitator tank（8）Exit connects chute（7）.
6. a kind of dust pelletizing system of alkaline process filter aid according to claim 1, it is characterised in that：The dry powder is oxidation
Magnesium, calcium oxide, calcium carbonate or magnesium carbonate powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721258842.2U CN207413005U (en) | 2017-09-28 | 2017-09-28 | A kind of dust pelletizing system of alkaline process filter aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721258842.2U CN207413005U (en) | 2017-09-28 | 2017-09-28 | A kind of dust pelletizing system of alkaline process filter aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207413005U true CN207413005U (en) | 2018-05-29 |
Family
ID=62314212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721258842.2U Active CN207413005U (en) | 2017-09-28 | 2017-09-28 | A kind of dust pelletizing system of alkaline process filter aid |
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| Country | Link |
|---|---|
| CN (1) | CN207413005U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108384584A (en) * | 2018-07-02 | 2018-08-10 | 上海境业环保能源科技股份有限公司 | A kind of fixed bed coal gas-made technology three-protection design method and system |
| CN112138520A (en) * | 2019-06-27 | 2020-12-29 | 营口市环境工程开发有限公司 | Novel membrane method flue gas desulfurization method and desulfurization device |
-
2017
- 2017-09-28 CN CN201721258842.2U patent/CN207413005U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108384584A (en) * | 2018-07-02 | 2018-08-10 | 上海境业环保能源科技股份有限公司 | A kind of fixed bed coal gas-made technology three-protection design method and system |
| CN112138520A (en) * | 2019-06-27 | 2020-12-29 | 营口市环境工程开发有限公司 | Novel membrane method flue gas desulfurization method and desulfurization device |
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