CN208975448U - A kind of rear of sintering machine dust-extraction unit - Google Patents
A kind of rear of sintering machine dust-extraction unit Download PDFInfo
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- CN208975448U CN208975448U CN201920259715.7U CN201920259715U CN208975448U CN 208975448 U CN208975448 U CN 208975448U CN 201920259715 U CN201920259715 U CN 201920259715U CN 208975448 U CN208975448 U CN 208975448U
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Abstract
The utility model relates to a kind of rear of sintering machine dust-extraction units, belong to sintering machine technical field of environment protection equipment, device includes connected gravity settling chamber, bag-type dust room, gravity settling chamber cone pump is equipped with below gravity settling chamber, scrapper conveyor is equipped with below bag-type dust room, scrapper conveyor is connected by bucket elevator with ash cellar is concentrated, and is concentrated to be equipped with below ash cellar and is concentrated ash cellar pump, gravity settling chamber cone pump is connected with ash cellar pump lower section is concentrated with pneumatic ash conveying pipe, and bag-type dust room is connected to chimney by blower；At least two column chev(e)ron baffles are vertically equipped in gravitational settling room, each column include at least two chev(e)ron baffles, it is staggered in the chev(e)ron baffle projection in the horizontal direction of adjacent two column, chev(e)ron baffle is equipped with arc panel blinds baffle plate between gravity settling chamber outlet；Membrane bag filter is equipped in bag-type dust room, filter efficiency is high, pressure difference is small.This programme high dust collection efficiency, can be in 5mg/m3Left and right, alleviates pollution of the sintering production to environment.
Description
Technical field
The utility model relates to a kind of rear of sintering machine dust-extraction units, belong to sintering machine technical field of environment protection equipment.
Background technique
The object of rear of sintering machine dustproof function include sintering machine tail portion and the production equipment configured against it (as it is broken,
Screening and transporting equipment etc.) dusty gas that is distributed, the characteristics of rear of sintering machine dust pelletizing system: 80~200 DEG C of gas temperature,
5~15g/m of dust content3, dust yield is big, and the mill stronger dust of chiseling property (iron content 50%) meets that water is cementitious and fouling.
The characteristics of due to sinter machine discharge end dedusting dust, become the difficult point of sintering process dedusting, especially in recent years, since atmosphere pollution is (such as ash
Haze) it is in exacerbation trend, national environmental protection requires steel industry Air Pollutant Emission limit value to be less than 10mg/m3, reach ultralow
Discharge standard.Existing rear of sintering machine dust pelletizing system mostly uses electric precipitator or sack cleaner, there are efficiency of dust collection is low (cannot
Qualified discharge), the problems such as maintenance load is big, operating cost is high.The dedusting ash of existing rear of sintering machine dust pelletizing system is more simultaneously
Using humidification automobile outward transport, the secondary pollution of environment is caused in dust wetting, the process of having bad luck, is unable to satisfy existing environmental requirement.
Therefore efficient one kind, stable, economy and the dust-extraction unit of environmental protection are researched and developed, to solve the problems, such as rear of sintering machine dedusting, with ten
Divide important application value.
Utility model content
For the deficiency of existing rear of sintering machine dedusting technology, the utility model provides a kind of rear of sintering machine dedusting dress
It sets.
The technical solution of the utility model is as follows:
A kind of rear of sintering machine dust-extraction unit, including connected gravity settling chamber, bag-type dust room, gravity settling chamber lower section
Equipped with gravity settling chamber cone pump, scrapper conveyor is equipped with below bag-type dust room, scrapper conveyor is connected by bucket elevator with ash cellar is concentrated,
It concentrates ash cellar lower section to be equipped with and concentrates ash cellar pump, gravity settling chamber cone pump pumps lower section and pneumatic ash conveying pipe phase with ash cellar is concentrated
Even, bag-type dust room is connected to chimney by blower；
At least two column chev(e)ron baffles are vertically equipped in gravitational settling room, each column include at least two chev(e)ron baffles,
It is staggered in the chev(e)ron baffle projection in the horizontal direction of adjacent two column, chev(e)ron baffle exports it apart from gravity settling chamber
Between be equipped with arc panel blinds baffle plate；
Membrane bag filter is equipped in bag-type dust room, filter efficiency is high, pressure difference is small.
Gravity settling chamber is connected directly with bag-type dust room, compact-sized, occupied area is few, tail with low investment, to be processed
Gas passes through gravity settling chamber, bag-type dust room, is dusted operation respectively, the dust saved bit by bit is collected by pneumatic ash conveying pipe
Processing, the gas up to standard after dedusting are discharged via blower and chimney.Gravitational settling chamber interior uses chev(e)ron baffle and arc panel
Blinds baffle plate combination, can effectively improve the efficiency of gravitational precipitator, can shorten the length of gravitational precipitator, save space and reduction
Investment.The dedusting ash of gravity settling chamber and the dedusting ash of bag-type dust room are separated and are individually transported, the dedusting ash warp of gravity settling chamber
It is directly connect with pneumatic ash conveying pipe by gravity settling chamber cone pump, the dedusting ash of bag-type dust room uses scrapper conveyor and pneumatic transporting
Ash combination is transported outward, with system is simple, with low investment, compressed air consumption is few, without secondary pollution, economy, environmental advantages.
Preferred according to the utility model, the quantity of the bag-type dust room is three, and three bag-type dust rooms connect side by side
It connects.40 μm of gravity settling chamber collection cut size or more of dust is arranged 1；40 μm of fine solid particles below are collected in bag-type dust room,
It is arranged multiple, has many advantages, such as that high dust collection efficiency, dust emission concentration are low, system resistance is small.Three bag-type dust rooms can reach
Cost is controlled while to preferable dust removing effects.
Preferred according to the utility model, the pneumatic ash conveying pipe is heavy wall wear-resistant steel pipe, is carried out at interval of 4~6 meters
The Condensed transportation technology of tonifying Qi, it can be achieved that dedusting ash long-distance sand transport.
Preferred according to the utility model, the arc panel blinds baffle plate is vertically equipped at least two arc plates in parallel,
Outlet of the arc plate boss towards gravity settling chamber.
The utility model has the beneficial effects that:
1, the sinter machine discharge end dedusting device of the utility model high dust collection efficiency, dust emission in rear of sintering machine dust pelletizing system is dense
Spend it is low, generally in 5mg/m3Left and right, alleviates pollution of the sintering production to environment.
2, the sinter machine discharge end dedusting device of the utility model has system resistance by the way of gravity and cloth bag combined dust removal
It is small, the cloth bag light abrasion service life is long, maintenance load is small, saved a large amount of human cost and maintenance cost；What the two was saved bit by bit removes
Dust is separated and is individually transported, and can be solved since gravity settling chamber dedusting ash particle is big, density weight, if being combined conveying gas consumption
Height, concentrated phase become diluted phase transport pipeline quick abrasion, cause system fluctuation of service, the problems such as maintenance is big.
3, the sinter machine discharge end dedusting device dedusting ash of the utility model is sent outside using Pneumatic ash conveying, and transportation cost is low, reduces dust
Reentrainment of dust environmental protection.
4, the sinter machine discharge end dedusting device of the utility model is compared with electric-bag complex dust collector, has with low investment, and power consumption is few, operation
The advantages that at low cost.
5, the utility model sinter machine discharge end dedusting device design structure is reasonable, and air velocity distribution science, processing and manufacturing are simple, using and
It is easy to maintain, it is significant in rear of sintering machine dust pelletizing system application effect, it is worthy of popularization.
Detailed description of the invention
Fig. 1 is the rear of sintering machine dust-extraction unit system diagram of the utility model；
Wherein: 1 is gravity settling chamber, 1-1 is inlet stub straight tube, 1-2 is gravity settling chamber ontology, 1-3 is that gravity removes
Dirt device room ash bucket, 1-4 are chev(e)ron baffle, 1-5 is arc panel blinds baffle plate, and 1-6 is arc plate, and 2 pump for gravity settling chamber storehouse, 3
Be membrane bag filter for bag-type dust room, 3-1,3-2 is outlet stubs, 4 is scrapper conveyor, 5 be bucket elevator, and 6 is concentrate ash cellar, and 7 are
Ash cellar pump is concentrated, 8 be blower, and 9 be chimney.
Fig. 2 is the gravitational dust collection cell structure schematic top plan view of the utility model；
Fig. 3 is arc panel blinds baffle plate A in Fig. 2 to structural schematic diagram.
Specific embodiment
The utility model is described further by way of example and in conjunction with the accompanying drawings, but not limited to this.
Embodiment 1:
A kind of rear of sintering machine dust-extraction unit, including connected gravity settling chamber 1, bag-type dust room 3, gravity settling chamber 1
Lower section is equipped with gravity settling chamber cone pump 2, scrapper conveyor 4 is equipped with below bag-type dust room 3, scrapper conveyor 4 is by bucket elevator 5 and concentrates
Ash cellar 6 is connected, and equipped with ash cellar pump 7 is concentrated below concentration ash cellar 6, gravity settling chamber cone pump 2 and concentration ash cellar pump 7 lower sections and gas
Power ash conveying pipe is connected, and bag-type dust room 3 is connected to chimney 9 by blower 8.The pneumatic ash conveying pipe is heavy wall abrasion-resistant stee
Pipe, at interval of 4~6 meters carry out a tonifying Qi Condensed transportation technology, it can be achieved that dedusting ash long-distance sand transport.Concentrate ash cellar 6
Using the welding of thickness σ=8mm steel plate, circle.
Gravity settling chamber 1 includes gravity settling chamber ontology 1-2, and gravity settling chamber ontology 1-2 arrival end is equipped with inlet stub
Straight tube 1-1, inlet stub straight tube 1-1 and external cleaning shaft use flanged joint, and inlet stub straight tube 1-1 is rectangular, length
About 150mm is determined using thickness σ=8mm welded steel plate (external reinforcing), its cross dimensions according to inlet velocity 6m/s.Gravity
Gravitational precipitator room ash bucket 1-3 is equipped with below expansion chamber ontology 1-2, gravity settling chamber ontology 1-2 uses thickness σ=8mm steel plate
And fashioned iron welding production, cross dimensions are determined according to flow velocity basic in chamber body less than 2m/s；Gravitational precipitator room ash bucket 1-3 is adopted
It is greater than 60 ° with the cone angle of thickness σ=8mm steel plate and fashioned iron welding production, flue-dust retainer.Two column are vertically equipped in gravity settling chamber 1
Chev(e)ron baffle 1-4, as shown in Figure 1, each column include at least two chev(e)ron baffles, the chev(e)ron baffle of adjacent two column is in water
Square to projection on be staggered, chev(e)ron baffle 1-4 apart from gravity settling chamber outlet between be equipped with arc panel blinds baffle plate
1-5.Chev(e)ron baffle 1-4 is using multilayer angle steel interlaced arrangement, arc panel blinds baffle plate 1-5 using σ=8mm steel plate welding system
Make.
3 shell of bag-type dust room is composed using steel plate and fashioned iron welding, and overlay film is equipped in bag-type dust room 3
Filter bag 3-1, filtration velocity are less than 0.8m/min, and dust emission concentration is less than 10mg/m3, filter efficiency is high, pressure difference is small.Cloth bag removes
The outlet stubs 3-2 of dirt room 3 and external cleaning shaft use flanged joint, are rectangular, length about 150mm, using thickness σ=
8mm welded steel plate (external reinforcing), its cross dimensions are determined according to inlet velocity 10m/s, then reconnect blower and chimney, row
Atmosphere out.
Gravity settling chamber is connected directly with bag-type dust room, compact-sized, occupied area is few, tail with low investment, to be processed
Gas passes through gravity settling chamber, bag-type dust room, is dusted operation respectively, the dust saved bit by bit is collected by pneumatic ash conveying pipe
Processing, the gas up to standard after dedusting are discharged via blower and chimney.Gravitational settling chamber interior uses chev(e)ron baffle and arc panel
Blinds baffle plate combination, can effectively improve the efficiency of gravitational precipitator, can shorten the length of gravitational precipitator, save space and reduction
Investment.The dedusting ash of gravity settling chamber and the dedusting ash of bag-type dust room are separated and are individually transported, the dedusting ash warp of gravity settling chamber
It is directly connect with pneumatic ash conveying pipe by gravity settling chamber cone pump, the dedusting ash of bag-type dust room uses scrapper conveyor and pneumatic transporting
Ash combination is transported outward, with system is simple, with low investment, compressed air consumption is few, without secondary pollution, economy, environmental advantages.
Embodiment 2:
A kind of rear of sintering machine dust-extraction unit, structure is as described in Example 1, the difference is that the bag-type dust room
Quantity be three, three bag-type dust rooms connect side by side, as shown in Figure 1, being all connected with scraper plate below three bag-type dust rooms
Machine is collected the dedusting ash of three bag-type dust rooms to bucket elevator by scrapper conveyor is unified, is brought by bucket elevator to concentrating ash cellar.
Embodiment 3:
A kind of rear of sintering machine dust-extraction unit, structure is as described in Example 1, the difference is that erecting in gravity settling chamber 1
To three column chev(e)ron baffle 1-4 are equipped with, as shown in Figure 2.Arc panel blinds baffle plate is vertically equipped at least two arc plates in parallel
1-6, as shown in figure 3, outlet of the arc plate boss towards gravity settling chamber.
Claims (4)
1. a kind of rear of sintering machine dust-extraction unit, which is characterized in that including connected gravity settling chamber, bag-type dust room, gravity
It is equipped with gravity settling chamber cone pump below expansion chamber, scrapper conveyor is equipped with below bag-type dust room, scrapper conveyor passes through bucket elevator and collection
Middle ash cellar is connected, and concentrates ash cellar lower section equipped with ash cellar pump is concentrated, gravity settling chamber cone pump and concentration ash cellar pump lower section and strength
Ash conveying pipe is connected, and bag-type dust room is connected to chimney by blower；
At least two column chev(e)ron baffles are vertically equipped in gravitational settling room, each column include at least two chev(e)ron baffles, adjacent
It is staggered in the chev(e)ron baffle projection in the horizontal direction of two column, chev(e)ron baffle is set between gravity settling chamber outlet
There is arc panel blinds baffle plate；
Membrane bag filter is equipped in bag-type dust room.
2. rear of sintering machine dust-extraction unit according to claim 1, which is characterized in that the quantity of the bag-type dust room is
Three, three bag-type dust rooms connect side by side.
3. rear of sintering machine dust-extraction unit according to claim 1, which is characterized in that the pneumatic ash conveying pipe is wear-resisting
Steel pipe.
4. rear of sintering machine dust-extraction unit according to claim 1, which is characterized in that the arc panel blinds baffle plate is perpendicular
It is equipped at least two arc plates, outlet of the arc plate boss towards gravity settling chamber in parallel upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920259715.7U CN208975448U (en) | 2019-03-01 | 2019-03-01 | A kind of rear of sintering machine dust-extraction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920259715.7U CN208975448U (en) | 2019-03-01 | 2019-03-01 | A kind of rear of sintering machine dust-extraction unit |
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| Publication Number | Publication Date |
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| CN208975448U true CN208975448U (en) | 2019-06-14 |
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| CN201920259715.7U Active CN208975448U (en) | 2019-03-01 | 2019-03-01 | A kind of rear of sintering machine dust-extraction unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113576112A (en) * | 2020-04-30 | 2021-11-02 | 广东森浩除尘设备有限公司 | Dust removal explosion-proof equipment |
-
2019
- 2019-03-01 CN CN201920259715.7U patent/CN208975448U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113576112A (en) * | 2020-04-30 | 2021-11-02 | 广东森浩除尘设备有限公司 | Dust removal explosion-proof equipment |
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