CN207805980U - A kind of medium recovery device from the gas-solid fluidized bed coal picker of medium - Google Patents
A kind of medium recovery device from the gas-solid fluidized bed coal picker of medium Download PDFInfo
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- CN207805980U CN207805980U CN201720844204.2U CN201720844204U CN207805980U CN 207805980 U CN207805980 U CN 207805980U CN 201720844204 U CN201720844204 U CN 201720844204U CN 207805980 U CN207805980 U CN 207805980U
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Abstract
A kind of medium recovery device from the gas-solid fluidized bed coal picker of medium, including level-one expansion chamber, two level expansion chamber, three-level expansion chamber and bag filter, it is characterized in that, the hanging dedusting plate one in bottom is provided between level-one expansion chamber and two level expansion chamber, the hanging dedusting plate two in top is provided between two level expansion chamber and three-level expansion chamber, the hanging dedusting plate three in bottom is provided between three-level expansion chamber and bag filter, material is from level-one expansion chamber, two level expansion chamber, three-level expansion chamber complications enter bag filter, the utility model takes the principle for carrying out class settling to recycle the autogenous medium drawn from medium gas-particle two-phase fluidisation bed dry coal dressing machine wind turbine, it not only can get preferable recovering effect, and noise and dust pollution will not be caused.
Description
Technical field
The utility model belongs to autogenous medium recovery technology field when the gas-solid fluidized bed dry separation of coal, more particularly to
A kind of medium recovery device from the gas-solid fluidized bed coal picker of medium.
Background technology
With the development of economy, environmental pressure getting worse, novel gas-solid fluid bed dry coal preparation technology become China's coal
One of the important development direction of charcoal washing.Gas-solid fluidized bed dry coal preparation technology has, and coal sorting range is wide, coal separation essence
Degree is high, and coal separation density level range accommodation of the same race is big, and equipment investment construction cost is low, and repair easy to operation, low energy consumption, no
Rely on water resource, fully enclosed operation, outstanding advantages of any pollution is hardly caused to environment.
Gas-solid fluidized bed dry coal preparation, which adds medium, magnetic iron ore, paigeite, vanadium titano-magnetite etc., this medium solid conduct
Coal separation medium, is mainly considered as that magnetic separation de-mediated is more convenient, the disadvantage is that needing stringenter medium size composition, can obtain
Preferable separating effect.And coal dust, the spoil particle etc. generated during autogenous medium, that is, coal separation, using autogenous medium as dry method
Coal separation, which does not need stringent medium size composition, can obtain preferable separating effect, but the recycling of autogenous medium, classify, the side of feeding
Formula relative difficulty, is primarily due to that autogenous medium ingredient is complex, then the difficulty sorted is larger.
Invention content
In order to overcome the disadvantages of the above prior art, it is gas-solid fluidized from medium that the purpose of this utility model is to provide one kind
The medium recovery device of bed coal picker, to fluidizing bed dry coal dressing machine from medium gas-particle two-phase, the autogenous medium that wind turbine is drawn is adopted
It takes the principle for carrying out class settling to be recycled, not only can get preferable recovering effect, but also noise and dust will not be caused
Pollution.
To achieve the goals above, the technical solution adopted in the utility model is：
A kind of medium recovery device from the gas-solid fluidized bed coal picker of medium, including level-one expansion chamber 1, two level expansion chamber 2,
Three-level expansion chamber 3 and bag filter 4, which is characterized in that it is outstanding that bottom is provided between level-one expansion chamber 1 and two level expansion chamber 2
Empty dedusting plate 1 is provided with the hanging dedusting plate 26 in top, three-level sedimentation between two level expansion chamber 2 and three-level expansion chamber 3
Be provided with the hanging dedusting plate 37 in bottom between room 3 and bag filter 4, material from level-one expansion chamber 1, two level expansion chamber 2,
Three-level expansion chamber 3 is tortuous to enter bag filter 4.
The material is sent into level-one expansion chamber 1 by being flared pipeline.
The bottom of the level-one expansion chamber 1 is provided with 1# material-collecting funnels 8, and the bottom of two level expansion chamber 2 is provided with 2# and gathers materials
The bottom of funnel 10, three-level expansion chamber 3 is provided with 3# material-collecting funnels 11.
Each expansion chamber is formed by brick and masonry of cement mortar or lightweight wall is built.
Each dedusting plate is hindered by the wear-resisting steel plate of 0.3~2mm of thickness, polyethylene anti-flaming plate, fire-retardant styrofoam or fiber
Combustion plate is made.
The height of each dedusting plate is 2/3rds of expansion chamber overall height H.
The volume of the level-one expansion chamber 1 is slightly larger than two level expansion chamber 2, and the volume of two level expansion chamber 2 is heavy slightly larger than three-level
Room 3 drops.
The three-level expansion chamber 3 is connected by necking pipeline with bag filter 4.
It is provided with air-introduced machine 9 between the three-level expansion chamber 3 and bag filter 4.
Compared with prior art, the utility model has the beneficial effects that：
(1) the utility model device is gathered dust gravity and is combined with bag type dust collection, is used for the recycling of autogenous medium, has back
Receive efficient feature.
(2) the utility model device investment is smaller, energy consumption is relatively low, and recyclability is stablized.
(3) the utility model device not will produce dust pollution, be conducive to environmental protection.
(4) the utility model device cost is relatively low, operation is achievable automates, and operability is good.
(5) the utility model device, main equipment can be considered that non-moving parts, service life of equipment are long when running.
Description of the drawings
Fig. 1 is the utility model structure diagram.
Specific implementation mode
The embodiment of the utility model is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, the medium recovery device of the utility model from the gas-solid fluidized bed coal picker of medium includes mainly level-one
Expansion chamber 1, two level expansion chamber 2, three-level expansion chamber 3 and bag filter 4.It is set between level-one expansion chamber 1 and two level expansion chamber 2
It is equipped with the hanging dedusting plate 1 in bottom, the hanging dedusting plate two in top is provided between two level expansion chamber 2 and three-level expansion chamber 3
6, it is provided with the hanging dedusting plate 37 in bottom between three-level expansion chamber 3 and bag filter 4, material is from level-one expansion chamber 1, two
Grade expansion chamber 2, three-level expansion chamber 3 are tortuous to enter bag filter 4, and the bottom of each expansion chamber is provided with material-collecting funnel.
The material of main part of each expansion chamber can be formed by brick and masonry of cement mortar, can also use the lightweights such as firm color steel
Wall is built, and each dedusting plate is hindered by the wear-resisting steel plate of 0.3~2mm of thickness, polyethylene anti-flaming plate, fire-retardant styrofoam or fiber
Combustion plate is made.The height of each dedusting plate is 2/3rds or so of expansion chamber overall height H.Bed medium is fluidized from medium gas-particle two-phase
The effective length of retracting device is A (7m~14m), height H (1.5m~3.5m), and according to treating capacity difference, each expansion chamber is specific
Size is also different.The volume of the size of three expansion chambers, level-one expansion chamber 1 is larger than two level expansion chamber 2, two level expansion chamber 2
Volume be larger than three-level expansion chamber 3.
Utility model works principle：
The high-speed air for mixing a large amount of granule materials initially enters level-one expansion chamber 1, due to space open and dedusting suddenly
The flow velocity of the iris action of plate 1, gas can be greatly reduced, and the larger particles carried can be due to dropping to 1# under the action of gravity
In material-collecting funnel 8, it is transported to after collection accordingly from medium feed bin.Air-flow passes through second, third expansion chamber principle and first
Expansion chamber is identical, and the material size range only settled is smaller compared with what the first expansion chamber obtained.It settles and makees by three-level
After becoming very small with the solid particle granularity of, air-flow mixing, it is extracted, is sent to bag type dust collection under the action of air-introduced machine 9
Device 4.
It is that two embodiments of the utility model provide specific parameter in embodiment below.
Embodiment 1
Bed medium retracting device is fluidized from medium gas-particle two-phase, effective length A is 10m, and height H is 3m.Expansion chamber dedusting
Plate uses height for 2m, thickness 1mm, the wear-resisting steel plate of model NM400.Level-one expansion chamber length is 4m, and two level expansion chamber is long
Degree is 3m, and three-level expansion chamber length is 3m.Equipment is in operating status, mixes the air from media particle with the flow velocity of 16m/s
Into in medium recovery device, after three-level expansion chamber, extracted out by air-introduced machine.By the operation of 1 hour, 1# material-collecting funnels
8 receive to obtain material 0.3~1mm of size fraction ranges, weight about 62Kg；2# material-collecting funnels 10 receive to obtain material 0.08~0.5mm of size fraction ranges,
Weight 8.3Kg；3# material-collecting funnels 11 receive to obtain material 0.02~0.2mm of size fraction ranges, weight 1.2Kg.
Embodiment 2
Bed medium retracting device is fluidized from medium gas-particle two-phase, effective length A is 8m, and height H is 2.5m.Expansion chamber dedusting
Plate uses height for 0.8m, thickness 1mm, the wear-resisting steel plate of model NM400.Level-one expansion chamber length is 3m, two level expansion chamber
Length is 3m, and three-level expansion chamber length is 2m.Equipment is in operating status, mixes the air from media particle with the stream of 12m/s
Speed enters in medium recovery device, after three-level expansion chamber, is extracted out by air-introduced machine.By the operation of 1 hour, 1# gathers materials leakage
Bucket 8 receives to obtain material 0.4~1mm of size fraction ranges, weight about 52Kg；2# material-collecting funnels 10 receive material size fraction ranges 0.1~
0.7mm, weight 4.3Kg；3# material-collecting funnels 11 receive to obtain material 0.02~0.3mm of size fraction ranges, weight 0.8Kg.
By experiment, the retracting device of both examples above can obtain preferable recovering effect, and will not cause
Noise and dust pollution.
Claims (9)
1. a kind of medium recovery device from the gas-solid fluidized bed coal picker of medium, including level-one expansion chamber (1), two level expansion chamber
(2), three-level expansion chamber (3) and bag filter (4), which is characterized in that between level-one expansion chamber (1) and two level expansion chamber (2)
It is provided with the hanging dedusting plate one (5) in bottom, it is hanging that top is provided between two level expansion chamber (2) and three-level expansion chamber (3)
Dedusting plate two (6) is provided with the hanging dedusting plate three (7) in bottom, material between three-level expansion chamber (3) and bag filter (4)
It is tortuous into bag filter (4) from level-one expansion chamber (1), two level expansion chamber (2), three-level expansion chamber (3).
2. according to claim 1 from the medium recovery device of the gas-solid fluidized bed coal picker of medium, which is characterized in that the object
Material is sent into level-one expansion chamber (1) by being flared pipeline.
3. according to claim 1 from the medium recovery device of the gas-solid fluidized bed coal picker of medium, which is characterized in that described one
The bottom of grade expansion chamber (1) is provided with 1# material-collecting funnels (8), and the bottom of two level expansion chamber (2) is provided with 2# material-collecting funnels (10),
The bottom of three-level expansion chamber (3) is provided with 3# material-collecting funnels (11).
4. according to claim 1 from the medium recovery device of the gas-solid fluidized bed coal picker of medium, which is characterized in that described each
Expansion chamber is formed by brick and masonry of cement mortar or lightweight wall is built.
5. according to claim 1 from the medium recovery device of the gas-solid fluidized bed coal picker of medium, which is characterized in that described each
Dedusting plate is made of the wear-resisting steel plate of 0.3~2mm of thickness, polyethylene anti-flaming plate, fire-retardant styrofoam or flame-retardant fiber plate.
6. according to claim 1 from the medium recovery device of the gas-solid fluidized bed coal picker of medium, which is characterized in that described each
The height of dedusting plate is 2/3rds of expansion chamber overall height H.
7. according to claim 1 from the medium recovery device of the gas-solid fluidized bed coal picker of medium, which is characterized in that described one
The volume of grade expansion chamber (1) is slightly larger than two level expansion chamber (2), and the volume of two level expansion chamber (2) is slightly larger than three-level expansion chamber (3).
8. according to claim 1 from the medium recovery device of the gas-solid fluidized bed coal picker of medium, which is characterized in that described three
Grade expansion chamber (3) is connected by necking pipeline with bag filter (4).
9. according to claim 1 from the medium recovery device of the gas-solid fluidized bed coal picker of medium, which is characterized in that described three
It is provided with air-introduced machine (9) between grade expansion chamber (3) and bag filter (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720844204.2U CN207805980U (en) | 2017-07-12 | 2017-07-12 | A kind of medium recovery device from the gas-solid fluidized bed coal picker of medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720844204.2U CN207805980U (en) | 2017-07-12 | 2017-07-12 | A kind of medium recovery device from the gas-solid fluidized bed coal picker of medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111715029A (en) * | 2020-07-14 | 2020-09-29 | 江苏南方涂装环保股份有限公司 | Organic waste gas continuous treatment method based on circulating fluidized bed system |
| CN112044764A (en) * | 2020-09-01 | 2020-12-08 | 许婷婷 | Industrial raw material grading dust removal device |
-
2017
- 2017-07-12 CN CN201720844204.2U patent/CN207805980U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111715029A (en) * | 2020-07-14 | 2020-09-29 | 江苏南方涂装环保股份有限公司 | Organic waste gas continuous treatment method based on circulating fluidized bed system |
| CN111715029B (en) * | 2020-07-14 | 2022-07-05 | 江苏南方涂装环保股份有限公司 | Organic waste gas continuous treatment method based on circulating fluidized bed system |
| CN112044764A (en) * | 2020-09-01 | 2020-12-08 | 许婷婷 | Industrial raw material grading dust removal device |
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