CN104689586B - Grid-type feeding concentration device - Google Patents
Grid-type feeding concentration device Download PDFInfo
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- CN104689586B CN104689586B CN201510064363.6A CN201510064363A CN104689586B CN 104689586 B CN104689586 B CN 104689586B CN 201510064363 A CN201510064363 A CN 201510064363A CN 104689586 B CN104689586 B CN 104689586B
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- housing
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- annular chamber
- distribution
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Abstract
The invention relates to a grid-type feeding concentration device. The grid-type feeding concentration device comprises a shell, wherein the upper part of the shell is provided with a distribution cavity, the distribution cavity is provided with an annular cavity, a feeding opening is connected with the annular cavity, a plurality of distribution grids are arranged on the inner wall of the annular cavity, and a gap between two adjacent distribution grids is communicated with the annular cavity and the inner wall of the shell. The grid-type feeding concentration device is provided with a grid-type feeder, so that the defect of the prior art that the material is likely to splash in an centrifugal feeding way can be overcome, the material can be prevented from being accumulated on a movable part in the shell, and thus the quality of a finished product can be improved.
Description
Technical field
The present invention relates to the concentrator field being used in biochemical industry production, particularly a kind of grating charging enrichment facility.
Background technology
Existing concentrator feed, more using material is fallen on a centrifugal pan, by the rotation of centrifugal pan, material is got rid of
To inner walls, the problem that the structure is present is that sputtering is easily formed in centrifugal process, and the material of sputtering is easily coated on scraping blade
Inner side, and on power transmission shaft, it is difficult to clear up, and be not easy to drop, and long-time is once dropped into in the material in cylinder
In product, the quality of finished product is influenced whether.
Existing concentrator for material is concentrated in the short period of time, so as to obtain finished product.Such as existing falling liquid film
Formula concentrator, the scraping blade of housing, heater and rotation with cylinder.Formed in inner walls by making the material of liquid
Thin film, so as to put forward highly enriched speed.Defect is that the gap in existing concentrator between scraping blade and inner walls is difficult to adjust
Section, and due to mismachining tolerance and service wear, the uneven problem of film forming thickness is there is also, especially for the material of thermal sensitivity,
The natural pigment such as such as microorganism or lycopene, Radix Dauci Sativae red pigment, easily causes the prolongation of heat time heating time, so as to affect finished product
Quality.
The content of the invention
The technical problem to be solved is to provide a kind of grating charging enrichment facility, charging will not be subject to sputtering because
The impact of element, will not pollute the part in concentrator, improve quality of finished；In preferred scheme, can be according to the concentration of material
The gap in scraping blade and cylinder is automatically adjusted with viscosity, and is not affected by small mismachining tolerance.
To solve above-mentioned technical problem, the technical solution adopted in the present invention is：A kind of grating feeds enrichment facility, including
Housing, housing upper are provided with distribution cavity, and distribution cavity is provided with annular chamber, and charging aperture is connected with annular chamber, and the inwall of annular chamber sets
There are a plurality of distribution grid, the gap distributed between grid connects annular chamber and inner walls.
In preferred scheme, distribution cavity upper end is provided with upper flange, and lower end is provided with lower flange, and distribution cavity passes through lower flange and shell
Body connects, and distribution cavity is connected with end cap by upper flange.
In preferred scheme, described distribution grid are located at the bottom of annular chamber, are additionally provided with distribution grid water conservancy diversion along distribution grid
Groove, distributes the side that grid guiding gutter is located at inner walls.
In preferred scheme, charging aperture is located at the top of annular chamber, and charging aperture is tangentially connected with annular chamber.
In preferred scheme, rotary scraping device in housing, is additionally provided with, its structure is：Rotating shaft and the driving for driving its rotation
Device connect, rotating shaft is provided with multiple connecting rods, and in connecting rod, fixed connecting rod is connected with rotating shaft, movable connecting rod with scrape
Piece connects, and is slidably connected between fixed connecting rod and movable connecting rod.
In optional scheme, extension spring between fixed connecting rod and movable connecting rod, is provided with；
In another optional scheme, or connecting rod is in tilted layout upward, so that under gravity, scraping blade leaves housing
Inwall, and under the action of the centrifugal force, scraping blade presses close to the inwall of housing.
In preferred scheme, counterweight is provided with scraping blade.
In preferred scheme, described scraping blade working surface is provided with inclined guiding gutter.
In preferred scheme, housing bottom is provided with straight-through heating medium entrance, and air vent, housing bottom are provided with the top of distribution cavity
Portion is additionally provided with discharge port.
In preferred scheme, heating mantle is provided with the outer wall of housing, heating mantle is provided with heating medium entrance and heating is situated between
Matter is exported, and air vent is provided with the top of distribution cavity；
Housing bottom is provided with discharge port.
A kind of grating charging enrichment facility that the present invention is provided, by the grating feeder for arranging, in overcoming prior art
Centrifugal charging easily sputtering defect, it is to avoid solid accumulation improves quality of finished on the movable part in housing.Arrange
The connecting rod being slidably matched, realization automatically adjusts the effect in gap between scraping blade and cylinder inboard wall using centrifugal force.And can be with
Film forming thickness, further Improving The Quality of Products are adjusted automatically according to technological requirement.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is the schematic front view of the present invention.
A-A cross-sectional schematics of the Fig. 2 for Fig. 1.
Fig. 3 is the schematic diagram of scraping blade work surface in the present invention.
Fig. 4 is the schematic front view of preferred structure of the present invention.
Fig. 5 is the schematic front view of another preferred structure of the invention.
Fig. 6 is the structural representation of rotary scraping device in the present invention.
Fig. 7 is the schematic diagram of connecting rod cross section in the present invention.
Fig. 8 is the schematic diagram of another optional cross section of connecting rod in the present invention.
Fig. 9 is the partial enlarged drawing at B in Fig. 2.
Figure 10 is the expanded view of distribution cavity in the present invention.
In figure：Housing 1, heating mantle 101 heat medium entrance 102, and Crude product input 103 leads directly to heating medium entrance
104, discharge port 105, discharge rolls 106, sealing member 107, discharging rotating shaft 108, vacuum extractor 109, material-storing box 110, rotation is scraped
Sheet devices 2, scraping blade 21, connecting rod 22, movable connecting rod 221, fixed connecting rod 222, limiting card 223, support card 224, water conservancy diversion
Groove 23, rotating shaft 24, distribution cavity 3, annular chamber 31 distribute grid 32, distribution grid guiding gutter 321, lower flange 33, upper flange 34, inflection
Section 35, extension slot 36, driving means 4, charging aperture 5, heat-exchange device 51, air vent 6.
Specific embodiment
In Fig. 1,4 ~ 6, a kind of grating feeds enrichment facility, including housing 1, is provided with rotary scraping device 2 in housing 1,
In described rotary scraping device 2, rotating shaft 24 is connected with the driving means for driving its rotation, and the driving means in this example are frequency conversion
Motor is connected with decelerator, and usual driving means are located at the top of housing 1, and rotating speed is controllable, and rotating shaft 24 is provided with multiple connecting rods
22, from top to bottom into radial distribution, in connecting rod 22, fixed connecting rod 222 is connected connecting rod 22 with rotating shaft 24, and activity is even
Extension bar 221 is connected with scraping blade 21, is slidably connected between fixed connecting rod 222 and movable connecting rod 221.By adjusting driving means
Speed so that scraping blade 21 is adjacent to 1 inwall of housing under the action of the centrifugal force.Preferred rotating shaft 24 adopts hollow rotating shaft or caged
Rotating shaft.It is further preferred that the working surface of scraping blade 21 is arcuate structure, the working surface is from terms of the cross section of housing 1 such as Fig. 9
Shown in, mid portion is closer to the distance with 1 inwall of housing, and front part is distant with inner walls, i.e., in work
During, material is pressed on the inwall of housing by uniform film-like, due to the presence of material, in certain rotary speed,
Scraping blade 21 is swum on material, and friction will not be formed between inner walls.
Distribution cavity 3 is provided with 1 top of housing, the annular chamber 31 around housing 1 is provided with distribution cavity 3, in annular chamber 31
Wall is provided with a plurality of distribution grid 32, and the gap distributed between grid 32 connects 1 inwall of annular chamber 31 and housing, charging aperture 5 and annular chamber
31 is tangentially connected.Compared with centrifugal pan of the prior art, the scheme of a plurality of distribution grid 32 is provided with using 31 inwall of annular chamber, is entered
Material is more uniformly distributed, it is to avoid the problem for occurring sputtering, and improves end product quality.According to different materials can change differing heights and
The distribution grid 32 of different gap widths, so that it is guaranteed that charging is smooth, and match with production capacity.Distribution cavity 3 in this example is tied
Structure, is connected with housing 1 using lower flange 33, is connected with the end cap on top using upper flange 34, and driving means are fixedly mounted on end
Cover, consequently facilitating the dismounting and replacing of distribution cavity.Between upper flange 34 and annular chamber 31, lower flange 33 and annular chamber 31 it
Between be provided with curved segment 35 in so that mounting structure is more compact.
In further preferred scheme such as Figure 10, distribute the bottom that grid 32 are located at annular chamber 31, between distributing between grid 32
Gap connects 1 inwall of annular chamber 31 and housing, and the material of slurry is entered from the gap between distribution grid 32, due to using between slit
Gap, the material of slurry will not form splash, but trickle along 1 inwall of housing.In scheme still more preferably, along point
Distribution grid guiding gutter 321 is additionally provided with the gap between grid 32, distributes the side that grid guiding gutter 321 is located at 1 inwall of housing.Thus
Structure, is easy to the material of slurry to trickle along distribution grid guiding gutter 321, without forming splash, until the scraping blade for being rotated
21 spread to thin film in the inwall of housing 1.
In optional scheme, between fixed connecting rod 222 and movable connecting rod 221, extension spring is provided with.Thus structure, works as work
After the completion of, or the speed of rotating shaft 24 declines, the pulling force of extension spring overcomes centrifugal force to withdraw scraping blade 21.So as to expand scraping blade 21
With the gap of 1 inwall of housing, it is easy to cleaning.The structure is applied to non-corrosive material.
Another optional scheme as in Fig. 6 ~ 8, described 22 free end of connecting rod being in tilted layout upward, so that in gravity
Under effect, scraping blade 21 voluntarily leaves the inwall of housing 1, and under the action of the centrifugal force, scraping blade 21 presses close to the inwall of housing 1.This example
In, connecting rod 22 is preferably 24 ~ 55 ° with the angle of 24 axis of rotating shaft, further preferred for 30 ~ 45 °, adopts 36 ° in this example.
Thus structure, need not adopt extension spring, so as under gravity, scraping blade 21 voluntarily can withdraw, be easy to cleaning.The structure due to
More simplify, be particularly suited for corrosive material production.In preferred scheme, according to the viscosity of different materials, in scraping blade
21 are provided with counterweight, the counterweight of centrifugal force size addition Different Weight that can be as needed.In this example, fixed connecting rod
222 with 221 relative displacement of movable connecting rod generally within 1cm, it is less for the impact of component.
In preferred scheme such as Fig. 7,8, it is provided between fixed connecting rod 222 and movable connecting rod 221 along connecting rod 22
The support card 224 of length direction.High-abrasive material of the support card 224 using self-lubricating, such as material of polytetrafluoro series.To reduce
Frictional force between fixed connecting rod 222 and movable connecting rod 221.Optionally, the cross section of fixed connecting rod 222 is triangle
And circle, and the cross section of movable connecting rod 221 is inverted " v " or circular arc, it would however also be possible to employ other shapes, such as six sides
Shape.Above-mentioned shape is easy to movable connecting rod 221 to slide on 222 top of fixed connecting rod, and movable connecting rod 221 is put up and fixed
In connecting rod 222, it is to avoid material falls to affecting the slip of movable connecting rod 221 on fixed connecting rod 222.
In preferred scheme such as Fig. 7,8, it is additionally provided between fixed connecting rod 222 and movable connecting rod 221 for preventing
Fixed connecting rod 222 and 221 detached limiting card 223 of movable connecting rod.Thus structure, it is to avoid be fixedly connected in normal work
Bar 222 is disengaged with movable connecting rod 221, using the structure, also allows for dismantling movable connecting rod 221, relatively simple so as to keep in repair.
That is the replacing of movable connecting rod 221 and scraping blade need not dismantle whole rotating shaft 24.
As in Fig. 3, described 21 surface of scraping blade is provided with inclined guiding gutter 23 to preferred scheme.Thus structure, is easy to
The material of 1 inwall of housing is promoted to flow downward in rotary course.
In preferred scheme such as Fig. 4,5, housing 1 is connected with heater, and described heater is heating mantle 101, plus
Hot jacket 101 is provided with heating medium entrance 102 and Crude product input 103, and heating medium is free gas and water or oil；The structure is more
Suitable for microorganism or the preparation flow of pigment.
As in Fig. 4, in the scheme heated using heating mantle 101, the top of distribution cavity 3 is located at 3 bottom of distribution cavity
Lower section.Thus structure, the material of slurry just starts to be concentrated in 1 inwall of housing being located through heating mantle 101, so as to avoid
Gap between the feed blocking distribution grid 32 of concentration.
In preferred scheme, be provided with heat-exchange device 51 on charging aperture 5, Crude product input 103 or air vent 6 with
Heat-exchange device 51 connects, to make material just be preheated before into housing 1 using waste heat.
In another preferred scheme such as Fig. 5, described heater is straight-through heating medium entrance 104, heats medium and enters
Mouth 104 is tangentially connected with housing 1, is provided with air vent 6 on 1 top of housing, and the heating medium in this example is hot blast, along housing 1
Inwall rotation rise hot blast concentrate material, then finished product is discharged from discharge port 105, and hot blast and steam are from 6 row of air vent
Go out.In preferred scheme, heat-exchange device 51 is provided with charging aperture 5, air vent 6 is connected with heat-exchange device 51, to utilize
Waste heat makes material just be preheated before into housing 1.The structure is more suitable for the preparation flow of inorganic material.
Preferred scheme is provided with discharge port 105 in 1 bottom of housing as in Fig. 6, and the bottom of discharge port 105 is turned by discharging
Axle 108 is provided with discharge rolls 106, and 106 outer wall of discharge rolls is uniformly distributed with multiple material-storing boxs 110 along the circumference, unloads in 105 bottom of discharge port
The position of 106 both sides of material roller is additionally provided with sealing member 107.Thus structure, realizes sealing discharging, consequently facilitating realizing in housing 1
Negative pressure is concentrated.Preferably, air vent 6 is connected with vacuum extractor 109.It is further preferred that vacuum extractor 109 is by heat friendship
The shell side of changing device 51 is connected with air vent 6, and charging aperture 5 is connected with the tube side of heat-exchange device 51, and realization makes thing using waste heat
Material preheating.
Above-mentioned preferred version, on the premise of mutually not conflicting, can be combined with each other.
By taking the combination in preferred structure Fig. 5 and Fig. 6 as an example, the device using method of the present invention is as follows, the material of slurry
Enter from charging aperture 5, by 51 preliminary heating of heat-exchange device, generally increasing extent of temperature is less than 30 degrees Celsius herein, to avoid thing
Expect to be crystallized in heat-exchange device 51 so as to block the tube side of heat-exchange device 51.Material is tangentially into distribution cavity 3
In annular chamber 31, and from distribution grid 32 between gap overflow, rotary scraping device 2 by driving means driving under in housing 1
Rotation, scraping blade 21 under the action of the centrifugal force, material is pressed in inner walls it is membranaceous, and 21 surface guiding gutter 23 of scraping blade and weight
Power effect is lower to be declined, and behind the position of lower flange 33, material is heated in inner walls, and the moisture evaporation in material is from aerofluxuss
Mouth 6 is discharged, and finished product materials fall to discharge port 105, with the rotation of discharging rotating shaft 108, storage of the finished product materials from discharge rolls 106
Magazine 110 is discharged, and the sealing member 107 of setting avoids negative pressure from losing.The vacuum extractor 109 of setting can improve concentration effect
Rate.The waste gas of discharge enters into the shell side of heat-exchange device 51, preheats material, subsequently into condensation recovery process.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as the restriction of the present invention, this
Technical characteristic in the technical scheme that bright protection domain should be recorded with claim, including the technical scheme of claim record
Equivalents are protection domain.Equivalent i.e. within this range is improved, also within protection scope of the present invention.
Claims (7)
1. a kind of grating feeds enrichment facility, including housing（1）, it is characterized in that：Housing（1）Top is provided with distribution cavity（3）, distribution
Chamber（3）It is provided with annular chamber（31）, charging aperture（5）With annular chamber（31）Connection, annular chamber（31）Inwall be provided with a plurality of distribution
Grid（32）, distribute grid（32）Between gap connection annular chamber（31）And housing（1）Inwall；
Distribution cavity（3）Upper end is provided with upper flange（34）, lower end is provided with lower flange（33）, distribution cavity（3）By lower flange（33）With
Housing（1）Connection, distribution cavity（3）By upper flange（34）It is connected with end cap；
Charging aperture（5）Positioned at annular chamber（31）Top, charging aperture（5）With annular chamber（31）Tangentially connect；
Described distribution grid（32）Positioned at annular chamber（31）Bottom, along distribution grid（32）It is additionally provided with distribution grid guiding gutter
（321）, distribute grid guiding gutter（321）Positioned at housing（1）The side of inwall.
2. a kind of grating according to claim 1 feeds enrichment facility, it is characterized in that：Housing（1）Inside it is additionally provided with rotation to scrape
Sheet devices（2）, its structure is：Rotating shaft（24）It is connected with the driving means of its rotation are driven, rotating shaft（24）It is provided with multiple connections
Bar（22）, in connecting rod（22）In, fixed connecting rod（222）With rotating shaft（24）Connection, movable connecting rod（221）With scraping blade（21）
Connection, fixed connecting rod（222）With movable connecting rod（221）Between be slidably connected.
3. a kind of grating according to claim 2 feeds enrichment facility, it is characterized in that：Fixed connecting rod（222）With activity
Connecting rod（221）Between be provided with extension spring；
Or connecting rod（22）It is in tilted layout upward, so that under gravity, scraping blade（21）Leave housing（1）Inwall, and
Under the action of the centrifugal force, scraping blade（21）Press close to housing（1）Inwall.
4. a kind of grating according to claim 3 feeds enrichment facility, it is characterized in that：In scraping blade（21）It is provided with counterweight.
5. a kind of grating according to claim 3 feeds enrichment facility, it is characterized in that：Described scraping blade（21）Working surface
It is provided with inclined guiding gutter（23）.
6. a kind of grating according to claim 1 feeds enrichment facility, it is characterized in that：Housing（1）Bottom is provided with straight-through adding
Thermal medium inlet（104）, distribution cavity（3）Top is provided with air vent（6）, housing（1）Bottom is additionally provided with discharge port（105）.
7. a kind of grating according to claim 1 feeds enrichment facility, it is characterized in that：In housing（1）Outer wall be provided with plus
Hot jacket（101）, heating mantle（101）It is provided with heating medium entrance（102）And Crude product input（103）, distribution cavity（3）Top
It is provided with air vent（6）；Housing（1）Bottom is provided with discharge port（105）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510064363.6A CN104689586B (en) | 2015-02-09 | 2015-02-09 | Grid-type feeding concentration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510064363.6A CN104689586B (en) | 2015-02-09 | 2015-02-09 | Grid-type feeding concentration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104689586A CN104689586A (en) | 2015-06-10 |
| CN104689586B true CN104689586B (en) | 2017-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510064363.6A Active CN104689586B (en) | 2015-02-09 | 2015-02-09 | Grid-type feeding concentration device |
Country Status (1)
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109224499B (en) * | 2018-09-18 | 2021-01-15 | 广东省盐业集团广州有限公司 | Production method of edible salt |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3130108A (en) * | 1960-11-07 | 1964-04-21 | Blaw Knox Co | Rotating blade type evaporators |
| US4065346A (en) * | 1975-11-26 | 1977-12-27 | Ivan Frolovich Evkin | Roter thin-film evaporator |
| JPS61220701A (en) * | 1985-03-25 | 1986-10-01 | Hitachi Ltd | Centrifugal thin film evaporator |
| CN201692673U (en) * | 2010-05-21 | 2011-01-05 | 中国石油化工股份有限公司 | Falling film type heat exchanger in multi-vapor-liquid parallel distribution |
| CN102125769B (en) * | 2010-12-17 | 2012-10-31 | 郭德豪 | Vacuum evaporator |
| CN102805949A (en) * | 2012-08-17 | 2012-12-05 | 无锡市华立石化工程有限公司 | Efficient falling film evaporator for tangentially feeding materials |
| CN204563637U (en) * | 2015-02-09 | 2015-08-19 | 三峡大学 | Grating charging enrichment facility |
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2015
- 2015-02-09 CN CN201510064363.6A patent/CN104689586B/en active Active
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