CN108654217A - A kind of granulating device and its working method suitable for enclosed purging - Google Patents
A kind of granulating device and its working method suitable for enclosed purging Download PDFInfo
- Publication number
- CN108654217A CN108654217A CN201810724735.7A CN201810724735A CN108654217A CN 108654217 A CN108654217 A CN 108654217A CN 201810724735 A CN201810724735 A CN 201810724735A CN 108654217 A CN108654217 A CN 108654217A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- layer sleeve
- inner layer
- hole
- particle
- 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.)
- Pending
Links
- 238000010926 purge Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 45
- 239000012530 fluid Substances 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- 235000013339 cereals Nutrition 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/02—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/18—Cleaning-out devices
Abstract
The invention discloses a kind of granulating devices and its working method suitable for enclosed purging, including outer layer sleeve, inner layer sleeve and intermediate sleeve；The front opening of outer layer sleeve, the back-end closure of outer layer sleeve, the back-end closure of intermediate sleeve, the front opening of intermediate sleeve, wherein, the front end of intermediate sleeve passes through the end face of outer layer sleeve rear end to be inserted in outer layer sleeve, and the rear end of inner layer sleeve is connected to external air source, the front end of inner layer sleeve is reached across intermediate sleeve rear end outside the front end of intermediate sleeve, and the front end of inner layer sleeve is spindle structure；In the axial direction, there is no the position of trepanning on side most in the middle part of N number of first through hole face inner layer sleeve of rear side；The bottom of outer layer sleeve rear end side is communicated with outer dirt clean-up port short tube; the bottom of intermediate sleeve rear end side is communicated with intermediate dirt clean-up port short tube, and what the granulating device and its working method can realize larger particles and part smaller particle in working medium does not shut down collection.
Description
Technical field
The invention belongs to thermal power generation fields, are related to a kind of granulating device and its working method suitable for enclosed purging.
Background technology
With science and technology rapid development, supercritical carbon dioxide Brayton cycle etc. with conventional steam Rankine cycle
Competition process in it is ripe day by day, gradually move towards application.Since electricity generation system component devices are complicated, system after installation is complete not
It can avoid ground and form the sundries such as welding slag, scale in system pipeline.Electricity generation system is before putting into operation, it is necessary to which these are miscellaneous
Object is removed clean.
For conventional steam generating set, steam blowing can be directly produced, by eliminating impurities.But for overcritical
For carbon dioxide Brayton cycle, boiler or other heating equipments in unit cannot be used for production steam, be on the one hand because
Not have steam-water separator, feed pump, water treatment system in unit, saturation or superheated steam can not be generated；On the other hand be because
To be difficult to exclude after water inlet in system, it will subsequently mix with operation working medium, have an adverse effect to system.In no external steam
In the case of, supercritical carbon dioxide Brayton cycle can only be purged using carbon dioxide as work, simultaneously as blowing
Working medium flow when sweeping is huge, and working medium can not possibly be emptied directly, so enclosed or half-closed purging scheme can only be used.
In the purge of steam Rankine generating set, granulating device is generally installed between superheater and reheater, is used
It is collected in by bulky grain, prevents the particle blown out in superheater from entering reheater, cause the damage of reheater.Little particle is then
As air-flow is arranged to air.For the enclosed purge of supercritical carbon dioxide Brayton cycle, working medium cannot be a large amount of
Emptying, it is therefore desirable to filtering foreign be got off with filter, filter is removed when shutting down and clears up sundries.Due to passing through
Working medium after filter will enter compressor, and the particle size requirements that compressor carries working medium are very high, and it is micro- to be generally less than 5
Rice, therefore when the resistance for depositing a large amount of particle after-filters on filter will certainly very greatly, it could even be possible to working medium flow is made to reach
It is required less than purging, dismounting filter need to repeatedly be shut down by eventually leading to, and clear up sundries.
In consideration of it, if redesigning granulating device structure, make it that can not only collect bulky grain, it can also be by a part
Little particle is collected, and shares the pressure of filter, and then can reduce Unit Commitment number in purge, when shortening purging
Between and reduce purging cost.
Invention content
It is an object of the invention to overcome the above-mentioned prior art, a kind of collection grain suitable for enclosed purging is provided
Device and its working method, the granulating device and its working method can realize not stopping for larger particles and part smaller particle in working medium
Machine is collected.
In order to achieve the above objectives, the granulating device of the present invention suitable for enclosed purging includes outer layer sleeve, internal layer set
Cylinder and intermediate sleeve；
The front opening of outer layer sleeve, the back-end closure of outer layer sleeve, the back-end closure of intermediate sleeve, before intermediate sleeve
End opening, wherein the front end of intermediate sleeve passes through the end face of outer layer sleeve rear end to be inserted in outer layer sleeve, after inner layer sleeve
End connection external air source, the front end of inner layer sleeve is reached across intermediate sleeve rear end outside the front end of intermediate sleeve, and internal layer set
The front end of cylinder is spindle structure；
Side on front side of intermediate sleeve offers several first through hole；It is logical that the side of inner layer sleeve both sides offers second
Hole, each first through hole and each second through-hole are respectively positioned in outer layer sleeve；
In the axial direction, there is no the position of trepanning on side most in the middle part of N number of first through hole face inner layer sleeve of rear side；
The bottom of outer layer sleeve rear end side is communicated with outer dirt clean-up port short tube, and the bottom of intermediate sleeve rear end side connects
It is connected with intermediate dirt clean-up port short tube.
In the axial direction, there is no the position of trepanning on side in the middle part of 7-11 first through hole face inner layer sleeve of most rear side
It sets.
The aperture of first through hole is 6-14mm；The aperture of second through-hole is 2-8mm.
It is provided with the first valve on the short tube of outer dirt clean-up port.
It is provided with the second valve on the short tube of intermediate dirt clean-up port.
It is provided with reinforcing rib between outer layer sleeve, intermediate sleeve and inner layer sleeve.
The working method sign of granulating device of the present invention suitable for enclosed purging is, includes the following steps：
Rear end of the working medium through inner layer sleeve for carrying particle enters in inner layer sleeve, then the spinning through inner layer sleeve front end
Hammer body structure is oriented to so that the working medium for carrying particle enters outer passage between outer layer sleeve and intermediate sleeve
In, since the density of particle is more than the density of working medium, larger particle and partly smaller particle are under the action of inertia
It enters in the short tube of outer dirt clean-up port, remaining smaller particle then enters intermediate sleeve under the drive of working medium through first through hole
In intermediate channel between cylinder and inner layer sleeve, most fluid and particle lead to by N number of the first of intermediate sleeve most rear side
Hole enters intermediate channel, and strikes on inner layer sleeve and do not have on trepanning wall surface, is then divided into two-way, wherein most of fluid
And particle flow direction intermediate dirt clean-up port short tube, remaining fluid and particle move in the opposite direction, and enter eventually into interior
In layer sleeve.
The invention has the advantages that：
Granulating device and its working method of the present invention suitable for enclosed purging is when specific operation, in normal condition
Under, the working medium for carrying particle is oriented to through spindle structure, then into outer passage, since grain density is more than
The density of working medium, therefore larger particle and partly smaller particle enter outer dirt clean-up port short tube under the action of inertia
In, it is logical that remaining smaller particle then enters the centre between intermediate sleeve and inner layer sleeve under the drive of working medium through the second through-hole
In road, and finally entered in the short tube of intermediate dirt clean-up port under effect of inertia, to realize the collection of particle in working medium, to
Realize the not shutdown purge of particle.The present invention is by collecting most of particle in working medium, to share filter in enclosed purging
Pressure, and then reduce purge in Unit Commitment number, shorten purge time, reduce purging cost.
Description of the drawings
Fig. 1 the structural representation of present invention；
Fig. 2 is the enlarged drawing at A in Fig. 1；
Fig. 3 is the enlarged drawing at B in Fig. 1.
Wherein, 1 it is outer layer sleeve, 2 be reinforcing rib, 3 be intermediate sleeve, 4 be inner layer sleeve, 5 be spindle structure, 6 is
Outer dirt clean-up port short tube, 7 be intermediate dirt clean-up port short tube, 8 be first through hole, 9 be the second through-hole.
Specific implementation mode
The present invention is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1, Figure 2 and Figure 3, it is of the present invention suitable for enclosed purging granulating device include outer layer sleeve 1, it is interior
Layer sleeve 4 and intermediate sleeve 3；The front opening of outer layer sleeve 1, the back-end closure of outer layer sleeve 1, the rear end seal of intermediate sleeve 3
It closes, the front opening of intermediate sleeve 3, wherein the front end of intermediate sleeve 3 passes through the end face of outer layer sleeve rear end to be inserted in outer layer jacket
In cylinder 1, the rear end of inner layer sleeve 4 is connected to external air source, and the front end of inner layer sleeve 4 reaches centre across 3 rear end of intermediate sleeve
Outside the front end of sleeve 3, and the front end of inner layer sleeve 4 is spindle structure 5；The side of the front side of intermediate sleeve 3 offers several the
One through-hole 8；The side of 4 both sides of inner layer sleeve offers the second through-hole 9, and each first through hole 8 and each second through-hole 9 are respectively positioned on outer
In layer sleeve 1；In the axial direction, most there is no trepanning on 8 face inner layer sleeve of N number of first through hole, the 4 middle part side of rear side
Position；The bottom of 1 rear end side of outer layer sleeve is communicated with outer dirt clean-up port short tube 6, and the bottom of 3 rear end side of intermediate sleeve connects
It is connected with intermediate dirt clean-up port short tube 7.Preferably, most on 8 face inner layer sleeve of 7-11 first through hole, the 4 middle part side of rear side
There is no the position of trepanning.
The aperture of first through hole 8 is 6-14mm；The aperture of second through-hole 9 is 2-8mm；It is set on outer dirt clean-up port short tube 6
It is equipped with the first valve；It is provided with the second valve on intermediate dirt clean-up port short tube 7；Outer layer sleeve 1, intermediate sleeve 3 and internal layer set
It is provided with reinforcing rib 2 between cylinder 4.
The working method of granulating device of the present invention suitable for enclosed purging includes the following steps：
The working medium for carrying particle is entered through the rear end of inner layer sleeve 4 in inner layer sleeve 4, then through 4 front end of inner layer sleeve
Spindle structure 5 be oriented to so that carry particle working medium enter it is outer between outer layer sleeve 1 and intermediate sleeve 3
In wing passage, since the density of particle is more than the density of working medium, larger particle and partly smaller particle are in inertia
It is entered under effect in outer dirt clean-up port short tube 6, remaining smaller particle then enters under the drive of working medium through first through hole 8
Into the intermediate channel between intermediate sleeve 3 and inner layer sleeve 4, most fluid and particle pass through the most rear side of intermediate sleeve 3
N number of first through hole 8 enter in intermediate channel, and strike and there is no the wall surface of trepanning on inner layer sleeve 4, be then divided into two-way,
Wherein, most of fluid and particle flow direction intermediate dirt clean-up port short tube 7, remaining fluid and particle move in the opposite direction
It is dynamic, and enter eventually into inner layer sleeve 4, flow to downstream.
When the first valve and the second valve are closed, particle can be in outer dirt clean-up port short tube 6 and intermediate dirt
It is gathered in object clean-up port short tube 7；When the first valve and the second valve are in open state, outer dirt clean-up port short tube 6 is in
Between the particle that gathers in dirt clean-up port short tube 7 can then be discharged.
Claims (7)
1. a kind of granulating device suitable for enclosed purging, which is characterized in that including outer layer sleeve (1), inner layer sleeve (4) and centre
Sleeve (3)；
The front opening of outer layer sleeve (1), the back-end closure of outer layer sleeve (1), the back-end closure of intermediate sleeve (3), intermediate sleeve
The front opening of cylinder (3), wherein the front end of intermediate sleeve (3) passes through the end face of outer layer sleeve (1) rear end to be inserted in outer layer sleeve
(1) in, the rear end of inner layer sleeve (4) is connected to external air source, and the front end of inner layer sleeve (4) passes through the end of intermediate sleeve (3) rear end
Face reaches outside the front end of intermediate sleeve (3), and the front end of inner layer sleeve (4) is spindle structure (5)；
Side on front side of intermediate sleeve (3) offers several first through hole (8)；The side of inner layer sleeve (4) both sides offers
Second through-hole (9), each first through hole (8) and each second through-hole (9) are respectively positioned in outer layer sleeve (1)；
In the axial direction, there is no the position of trepanning on side most in the middle part of N number of first through hole (8) the face inner layer sleeve (4) of rear side
It sets；
The bottom of outer layer sleeve (1) rear end side is communicated with outer dirt clean-up port short tube (6), intermediate sleeve (3) rear end side
Bottom is communicated with intermediate dirt clean-up port short tube (7).
2. the granulating device according to claim 1 suitable for enclosed purging, which is characterized in that in the axial direction, finally
There is no the position of trepanning on side in the middle part of 7-11 first through hole (8) the face inner layer sleeve (4) of side.
3. the granulating device according to claim 1 suitable for enclosed purging, which is characterized in that the aperture of first through hole (8)
For 6-14mm；The aperture of second through-hole (9) is 2-8mm.
4. the granulating device according to claim 1 suitable for enclosed purging, which is characterized in that outer dirt clean-up port short tube
(6) the first valve is provided on.
5. the granulating device according to claim 4 suitable for enclosed purging, which is characterized in that intermediate dirt clean-up port short tube
(7) the second valve is provided on.
6. the granulating device according to claim 1 suitable for enclosed purging, which is characterized in that outer layer sleeve (1), intermediate sleeve
It is provided with reinforcing rib (2) between cylinder (3) and inner layer sleeve (4).
7. being suitable for the working method of the granulating device of enclosed purging described in a kind of claim 1, which is characterized in that including following step
Suddenly：
The working medium of particle is carried to enter in inner layer sleeve (4) through the rear end of inner layer sleeve (4), then through inner layer sleeve (4) before
The spindle structure (5) at end is oriented to so that the working medium for carrying particle enters outer layer sleeve (1) and intermediate sleeve (3)
Between outer passage in, since the density of particle is more than the density of working medium, the smaller particle of larger particle and part
It enters under the action of inertia in outer dirt clean-up port short tube (6), remaining smaller particle is then through the under the drive of working medium
One through-hole (8) enters in the intermediate channel between intermediate sleeve (3) and inner layer sleeve (4), and most fluid and particle are logical
The N number of first through hole (8) for crossing intermediate sleeve (3) most rear side enters in intermediate channel, and strikes and do not opened on inner layer sleeve (4)
On the wall surface in hole, it is then divided into two-way, wherein most of fluid and the intermediate dirt clean-up port short tube (7) of particle flow direction are remaining
Fluid and particle move in the opposite direction, and enter eventually into inner layer sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810724735.7A CN108654217A (en) | 2018-07-04 | 2018-07-04 | A kind of granulating device and its working method suitable for enclosed purging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810724735.7A CN108654217A (en) | 2018-07-04 | 2018-07-04 | A kind of granulating device and its working method suitable for enclosed purging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108654217A true CN108654217A (en) | 2018-10-16 |
Family
ID=63773697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810724735.7A Pending CN108654217A (en) | 2018-07-04 | 2018-07-04 | A kind of granulating device and its working method suitable for enclosed purging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108654217A (en) |
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|---|---|---|---|---|
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Application publication date: 20181016 |
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