CN209379222U - One kind having pressure three products heavy medium cyclone efficient separation cleaned coal discharge nozzle - Google Patents
One kind having pressure three products heavy medium cyclone efficient separation cleaned coal discharge nozzle Download PDFInfo
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- CN209379222U CN209379222U CN201920008817.1U CN201920008817U CN209379222U CN 209379222 U CN209379222 U CN 209379222U CN 201920008817 U CN201920008817 U CN 201920008817U CN 209379222 U CN209379222 U CN 209379222U
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Abstract
The utility model relates to one kind pressure three products heavy medium cyclone efficient separation cleaned coal discharge nozzle, be mounted on one section of cyclone of pressurized feeding heavy medium cyclone, including discharging tube wall and discharging tube cavity two parts；The tube cavity that discharges includes feed zone and discharging section two parts；Discharging tube wall is cylindrical type, and feed zone is pyramid type, and discharging section is cylindrical type, is fixed on the pan feeding orientation barrel of pressurized feeding heavy medium cyclone by discharging section end；There is pressure three products heavy medium cyclone efficient separation discharge nozzle to be inserted into one section of cyclone inside cavity.With the above mentioned technical proposal, there is pressure three products heavy medium cyclone that can reduce 0.02-0.05kg/L compared to density of suspending liquid and practical separation density difference with traditional structure, middle ribbing essence can reduce 30%-50%, substantially increase the clean coal yield of pressure three products heavy medium cyclone coal preparation technique and the overall economic efficiency of coal preparation plant.
Description
Technical field
The utility model relates to a kind of coal separation device, in particular to one kind has pressure three products heavy medium cyclone efficient
Sort cleaned coal discharge nozzle.
Background technique
The utility model relates to coal preparation fields, specifically have pressure using the efficient overflow pipe of special construction
Three products heavy medium cyclone improves the precision of one section of selected separation operation of cyclone, reduces mispairing amount of the cleaned coal in middle coal,
Improve clean coal yield.
Nearly 20 years three products' dense-medias matter coal preparation technology mature is that current coal preparation plant is newly-built or the preferred work of transformation project
Skill, it is realized with single low-density suspension, the low-density sorting of cleaned coal and middle coal and the high density sorting of middle coal and spoil, greatly
Coal preparation technique is simplified greatly, saves capital expenditure, reduced dressing of coal by washing cost, by designing institute's coal preparation in one's power
Enterprise is praised highly.The difference of mode is fed according to raw coal, three products heavy medium cyclone sorting process is divided into pressurized feeding tertiary industry
Product heavy medium cyclone sorting process and pressureless fed three-product dense-medium cyclone, using both cyclones as main equipment
Sorting process has restored a large amount of popularization and application in market.Having pressure three-product HM cyclone first segment is cylinder type or circular cone
Type, second segment are pyramid type, wherein to be divided into one section of barrel diameter, feeding inlet size, cylindrical body long for one section of hydrocyclone structure parameter
The nuclear structures parameter groups such as degree, overflow diameter, overflow port insertion depth, underflow opening size (also known as one or two sections of connector sizes)
At wherein one section of case of low density loads delivery pipe is cylindrical tube, pipe diameter d generally takes 0.3-0.36D, and (D is a Duan Xuanliu
The diameter of device), the depth h that tube body is inserted into one section of cyclone is smaller, generally in 1-1.5d.In order to meet single low-density suspension
The design function for realizing one section of low-density sorting and the sorting of two sections of high density, in the base for guaranteeing that one section of cyclone sorting is met the requirements
On plinth, big overflow bore, but traditional structure ruler for having pressure one section of overflow pipe of three products heavy medium cyclone are used as far as possible
Very little configuration, it is excessive to will cause one section of flooding velocity when overflow port is excessive, influences overflow and stablizes, cause one section of light product (cleaned coal) and
The mutual pollution of heavy product (middle coal and spoil mixture) increases, and eventually leads to the smart higher problem in middle ribbing after two sections of sortings.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model, which is that solution is existing, pressure three-product HM cyclone
Technical deficiency, provide it is novel in one efficiently have pressure one section of overflow pipe of three-product HM cyclone, solving tradition has pressure three
The high problem of middle ribbing essence present in product dense medium cyclone use.By the structure ruler for changing one section of cyclone overflow pipe
Very little, the density for reducing suspension and the separating density of one section of cyclone are poor, improve the sharpness of separation of one section of cyclone, reduce cleaned coal
Loss in heavy product.It is particular technique feature below:
One kind having pressure three products heavy medium cyclone efficient separation cleaned coal discharge nozzle, is mounted on pressurized feeding dense media eddy flow
On the pan feeding orientation barrel of one section of cyclone of device,
Including discharging tube wall and inner cavity two parts；The inner cavity includes feed zone and discharging section two parts；
The discharging tube wall is cylindrical type, and the feed zone is pyramid type, and the discharging section is cylindrical type, the feed zone
The inside of the discharging tube wall is arranged at discharging section；
It is fixed on by the discharging section end on the pan feeding orientation barrel of the pressurized feeding heavy medium cyclone；
It is described to there is pressure three products heavy medium cyclone efficient separation discharge nozzle to be inserted into one section of cyclone inside cavity, three
Product cyclone case of low density loads passes into circle by the conical section of discharge nozzle with the low-density inward eddy at one section of cyclone center
One section of cyclone is discharged in shell of column.
The cone angle of the feed zone is to be less than or equal to 45 ° more than or equal to 0 ° as a preferred technical solution,；Preferably
30°。
The discharging section internal diameter is 0.36-0.44 times of the diameter of one section of cyclone as a preferred technical solution,
Preferably 0.4 times.
The wall thickness to discharge between tube wall and discharging section as a preferred technical solution, is that 10-80mm is preferably 45mm.
The length of the discharging tube wall is the 1.4-3.2 of the diameter of one section of cyclone as a preferred technical solution,
Times, preferably 2.3 times；The length of the discharging section is 0.6-1 times, preferably 0.8 times of the discharging tube wall length.
The discharging section end adds ring flange and is fixed on the pressurized feeding dense medium cyclone as a preferred technical solution,
On the pan feeding orientation barrel for flowing device.
A kind of one section of low-density discharge nozzle having pressure three products heavy medium cyclone efficient separation, overflow port cylindrical section internal diameter
D takes 0.36-0.44D (diameter that D is one section of cyclone), and low-density discharge nozzle is inserted into one section of cyclone cavity depth L=1.4-
3.2d, overflow port end use 0-30 degree pyramidal structure.
A kind of one section of low-density discharge nozzle for having pressure three products heavy medium cyclone efficient separation of the utility model, it has two
Part forms, and pyramid type feed zone and cylindrical discharging section add ring flange by discharging section end and be fixed on pressurized feeding weight
On the pan feeding orientation barrel of medium cyclone.A kind of one section of low-density discharge nozzle having pressure three products heavy medium cyclone efficient separation
One times or more is increased than normal one section of low-density discharge nozzle in the incorporation depth of one section of cyclone, cleaned coal production can be greatly improved
Product improve one section of sharpness of separation in the processing time of cyclone, reduce density of suspending liquid and practical separation density is poor, sorting
The density appropriate for improving suspension in the case that density is constant ensure that the density of one section of cyclone underflow (two sections of pan feedings)
It is unlikely to too low, to reduce loss of the cleaned coal in middle coal, meanwhile, one section of overflow pipe of amplification appropriate, and can be to avoid
Due to the too long reduction for leading to cyclone processing capacity of overflow length of tube.
By adopting the above-described technical solution, one kind has pressure three products heavy medium cyclone efficient separation cleaned coal discharge nozzle,
The utility model has pressure three products heavy medium cyclone can compared to density of suspending liquid and practical separation density difference with traditional structure
To reduce 0.02-0.05kg/L, middle ribbing essence can reduce 30%-50%, substantially increase pressure three products' dense-media matter eddy flow
The clean coal yield of device coal preparation technique and the overall economic efficiency of coal preparation plant.One kind having pressure three products heavy medium cyclone efficient separation
One section of low-density discharge nozzle increase one times or more than normal one section of low-density discharge nozzle in the incorporation depth of one section of cyclone,
Head coal product can be greatly improved in the processing time of cyclone, one section of sharpness of separation is improved, reduce density of suspending liquid and reality
Border separating density is poor, and the density appropriate for improving suspension in the case where separating density is constant ensure that one section of cyclone
The density of underflow (two sections of pan feedings) is unlikely to too low, thus reduce loss of the cleaned coal in middle coal, meanwhile, amplification one appropriate
Section overflow pipe, and can be to avoid due to the too long reduction for leading to cyclone processing capacity of overflow length of tube.
Detailed description of the invention
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, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model embodiment；
In figure: 1- discharging tube wall；2- feed zone；3- discharging section；D- feed zone diameter；D- discharging section diameter；L-
Discharge tube wall insertion depth；L1- discharging segment length；θ-feed zone cone angle.
Specific embodiment
In order to further illustrate the present invention, it is illustrated with reference to the accompanying drawing:
Embodiment:
As shown in Figure 1, one kind has pressure three products heavy medium cyclone efficient separation cleaned coal discharge nozzle, it is mounted on pressurized feeding
On the pan feeding orientation barrel of one section of cyclone of heavy medium cyclone,
Including discharging tube wall 1 and inner cavity two parts；The inner cavity includes 3 two parts of feed zone 2 and discharging section；
The discharging tube wall 1 be cylindrical type, the feed zone 2 be pyramid type, the discharging section 3 be cylindrical type, it is described into
Material section 2 and discharging section 3 are arranged at the inside of the discharging tube wall 1；
It is fixed on the pan feeding orientation barrel of the pressurized feeding heavy medium cyclone by 3 end of discharging section；
It is described to there is pressure three products heavy medium cyclone efficient separation discharge nozzle to be inserted into one section of cyclone inside cavity.Three
Product cyclone case of low density loads passes into circle by the conical section of discharge nozzle with the low-density inward eddy at one section of cyclone center
One section of cyclone is discharged in shell of column.
Further, it is θ that the cone angle of the feed zone 2, which is cone angle, 0 °≤θ≤45 °；Preferably 30 °.
Further, the 3 internal diameter discharge end internal diameter of discharging section is d, then (D is one section of cyclone to d=0.36-0.44D
Diameter).
Further, the wall thickness to discharge between tube wall 1 and discharging section 3 is that 10-80mm is preferably 45mm.
Further, the length of the discharging tube wall 1 is 1.4-3.2 times of the diameter of one section of cyclone, preferably
2.3 again；The length of the discharging section 3 is 0.6-1 times, preferably 0.8 times of discharging 1 length of tube wall.
Further, 3 end of discharging section adds ring flange and is fixed on entering for the pressurized feeding heavy medium cyclone
Expect on orientation barrel.
A kind of one section of low-density discharge nozzle having pressure three products heavy medium cyclone efficient separation, overflow port cylindrical section internal diameter
D takes 0.36-0.44D (diameter that D is one section of cyclone), and low-density discharge nozzle is inserted into one section of cyclone cavity depth L=1.4-
3.2d, overflow port end use 0-30 degree pyramidal structure.
A kind of one section of low-density discharge nozzle for having pressure three products heavy medium cyclone efficient separation of the utility model, it has two
Part forms, and pyramid type feed zone and cylindrical discharging section add ring flange by discharging section end and be fixed on pressurized feeding weight
On the pan feeding orientation barrel of medium cyclone.A kind of one section of low-density discharge nozzle having pressure three products heavy medium cyclone efficient separation
One times or more is increased than normal one section of low-density discharge nozzle in the incorporation depth of one section of cyclone, cleaned coal production can be greatly improved
Product improve one section of sharpness of separation in the processing time of cyclone, reduce density of suspending liquid and practical separation density is poor, sorting
The density appropriate for improving suspension in the case that density is constant ensure that the density of one section of cyclone underflow (two sections of pan feedings)
It is unlikely to too low, to reduce loss of the cleaned coal in middle coal, meanwhile, one section of overflow pipe of amplification appropriate, and can be to avoid
Due to the too long reduction for leading to cyclone processing capacity of overflow length of tube.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. one kind has pressure three products heavy medium cyclone efficient separation cleaned coal discharge nozzle, it is mounted on pressurized feeding heavy medium cyclone
One section of cyclone on, it is characterised in that:
Including discharging tube wall and discharging tube cavity two parts；The discharging tube cavity includes feed zone and discharging section two parts；
The discharging tube wall be cylindrical type, the feed zone be pyramid type, the discharging section be cylindrical type, the feed zone and go out
Material section is arranged at the inside of the discharging tube wall；
It is fixed on by the discharging section end on the pan feeding orientation barrel of the pressurized feeding heavy medium cyclone；
It is described to there is pressure three products heavy medium cyclone efficient separation discharge nozzle to be inserted into one section of cyclone inside cavity.
2. one kind as described in claim 1 has pressure three products heavy medium cyclone efficient separation cleaned coal discharge nozzle, feature exists
In: the cone angle of the feed zone is to be less than or equal to 45 ° more than or equal to 0 °.
3. one kind as described in claim 1 has pressure three products heavy medium cyclone efficient separation cleaned coal discharge nozzle, feature exists
In: the discharging section internal diameter is 0.36-0.44 times of the diameter of one section of cyclone.
4. one kind as described in claim 1 has pressure three products heavy medium cyclone efficient separation cleaned coal discharge nozzle, feature exists
In: the wall thickness between discharging tube wall and discharging section is 10-80mm.
5. one kind as described in claim 1 has pressure three products heavy medium cyclone efficient separation cleaned coal discharge nozzle, feature exists
In: the length of the discharging tube wall is 1.4-3.2 times of the diameter of one section of cyclone, and the length of the discharging section is described
0.6-1 times of the tube wall length that discharges.
6. one kind as described in claim 1 has pressure three products heavy medium cyclone efficient separation cleaned coal discharge nozzle, feature exists
In: the discharging section end is added ring flange and is fixed on the pan feeding orientation barrel of the pressurized feeding heavy medium cyclone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920008817.1U CN209379222U (en) | 2019-01-03 | 2019-01-03 | One kind having pressure three products heavy medium cyclone efficient separation cleaned coal discharge nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920008817.1U CN209379222U (en) | 2019-01-03 | 2019-01-03 | One kind having pressure three products heavy medium cyclone efficient separation cleaned coal discharge nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209379222U true CN209379222U (en) | 2019-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920008817.1U Active CN209379222U (en) | 2019-01-03 | 2019-01-03 | One kind having pressure three products heavy medium cyclone efficient separation cleaned coal discharge nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209379222U (en) |
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2019
- 2019-01-03 CN CN201920008817.1U patent/CN209379222U/en active Active
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