CN105060674B - A kind of blue-green algae squeezing dehydration device - Google Patents
A kind of blue-green algae squeezing dehydration device Download PDFInfo
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- CN105060674B CN105060674B CN201510456442.1A CN201510456442A CN105060674B CN 105060674 B CN105060674 B CN 105060674B CN 201510456442 A CN201510456442 A CN 201510456442A CN 105060674 B CN105060674 B CN 105060674B
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- filter screen
- blue
- green algae
- extrusion dehydration
- algae
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- 230000018044 dehydration Effects 0.000 title claims abstract description 102
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 102
- 241000192700 Cyanobacteria Species 0.000 title claims abstract description 54
- 238000001125 extrusion Methods 0.000 claims abstract description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 241000195493 Cryptophyta Species 0.000 claims abstract description 16
- 238000010926 purge Methods 0.000 claims abstract description 3
- 238000007664 blowing Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 6
- 238000009827 uniform distribution Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 235000015895 biscuits Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 235000008935 nutritious Nutrition 0.000 description 1
- 230000000243 photosynthetic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Edible Seaweed (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention belongs to water-surface blue-green algae processing technology field, and in particular to a kind of device for extruding blue-green algae filtering means dehydration.The present apparatus includes being equipped with filter screen mechanism, extrusion dehydration part and the blower mechanism of filter screen；On the filter screen, it is provided with and pushes blue-green algae or algae water and moved ahead on filter screen, or the filter screen for making to fill blue-green algae or algae water moves ahead, and the extrusion dehydration part that the moisture in blue-green algae or algae water discharged by filter screen is made by extruding；The blower mechanism for purging the filter screen blocked by blue-green algae is additionally provided with the present apparatus.Low manufacture cost of the present invention and efficiency high, without the contaminative to environment, while the facilitation processing intent of blue-green algae can be effectively realized again, working stability and it is reliable.
Description
Technical field
The invention belongs to water-surface blue-green algae processing technology field, and in particular to a kind of blue-green algae squeezing dehydration device.
Background technology
Blue-green algae is earliest photosynthetic oxygen evolution biology, huge from the atmospheric environment of anaerobic is changed into aerobic environment to earth surface
Big effect.But because blue-green algae reproduction speed is exceedingly fast, vitality is again strong, in some nutritious water bodys, blue-green algae Chang Yu
Summer amount reproduction, and form one layer of blue-green in the water surface and have the offscum of bad smell, cause wawter bloom phenomenon.Large-scale blue-green algae
Outburst, can cause water quality deterioration, may exhaust water oxygen when serious and cause the death of fish, very harmful.
In order to avoid the above-mentioned harm of blue-green algae, the main method that blue-green algae is administered at present includes artificial salvaging, water diversion and renewal, bottom
Mud dredging etc., wherein being even more to be most widely used with the mode of operation manually salvaged.In current maturing technique, artificial
After the blue algae collecting, fishing assembled in water, it will usually which algal biscuit is made in filter-press dehydration after adding flocculant again, delivers to treatment plant and enters
Row landfill, burning or even fermented manure processing etc..It should be noted, however, that due to blue-green algae surface texturisation closely without
Destructible, even if carrying out moisture removal by flocculant, flocculant effectively can not be also penetrated into blue-green algae at all, the work(naturally it absorbs water
Effect is had a greatly reduced quality, and causes the moisture content of algal biscuit finished product still high, difficult so as to come for follow-up algal biscuit completed belt.How to seek
One kind operates practical and reliable processing mode, can realize the facilitation treatment effect of blue-green algae, to solve at this stage at blue-green algae
The bottleneck of reason, so as to provide that moisture content is lower and more tractable blue-green algae finished product for subsequent treatment process, for this area in recent years
Technical barrier urgently to be resolved hurrily.
The content of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of blue-green algae extruding rational in infrastructure and practical
The device of filtering means dehydration, the facilitation processing intent of blue-green algae can be effectively realized, it is aqueous so as to be provided for subsequent treatment process
Rate is lower and more tractable blue-green algae mud, and its is stable and reliable in work and treatment effeciency is high.
To achieve the above object, present invention employs following technical scheme：
A kind of blue-green algae squeezing dehydration device, the present apparatus include being equipped with the filter screen mechanism of filter screen, extrusion dehydration part and
Blower mechanism；On the filter screen, it is provided with and pushes blue-green algae or algae water and moved ahead on filter screen, or makes to fill blue-green algae or algae water
Filter screen moves ahead, and by extruding the extrusion dehydration part for making the moisture in blue-green algae or algae water be discharged by filter screen；In the present apparatus
It is additionally provided with the blower mechanism for purging the filter screen blocked by blue-green algae.
The present invention can also further be realized by following technical measures.
Preferably, the filter screen is collodion or silk screen.
Preferably, the side towards filter screen of the extrusion dehydration part, provided with multiple extrusion dehydration blocks；The extruding is de-
Water block is using the material for being easy to water suction.
Further, the material of the extrusion dehydration block is collodion.
Further, the spacing between filter screen and the extrusion dehydration block is adjustable.
Preferably, the blowing mouth of the blower mechanism is located at the centre of extrusion dehydration block or its front and rear place, blowing mouth go out
Wind end is set towards filter screen, and the other end of blowing mouth is connected with blower fan by airduct.
Preferably, extruding groove is provided with the filter screen mechanism, the filter screen is laid in extruding groove；Described extrusion dehydration
Block is located at the top of filter screen and moved along the direction that filter screen is set, or the direction that filter screen is set along extrusion dehydration block is transported
It is dynamic；Described extrusion dehydration block completely or partially sticks together with filter screen；The upside of the filter screen is provided with charging aperture；Described
Filter screen is provided with discharge gate.
As one of preferred scheme of the present invention, the filter screen mechanism includes being arranged on cylindric first ring of inner side
Shape baffle plate and cylindric second ring baffle for being arranged on outside, are surrounded between the first annular baffle plate and the second ring baffle
Circular extruding groove；The top of the first annular baffle plate and the second ring baffle offers charging aperture；The extrusion dehydration
Part is fixedly connected between first annular baffle plate and the second ring baffle, and the extrusion dehydration part is arranged to multiple, multiple
Extrusion dehydration part is circumferentially evenly spaced in the upside of filter screen.
As another preferred scheme of the present invention, the extrusion dehydration part is arranged to multiple, multiple extrusion dehydration portions
Part is fixedly installed in rotational band, and the rotational band is around being located on two rollers and the reciprocating rotation under the drive of roller；It is described
Filter screen mechanism comprises at least the filter screen for being arranged on upside rotational band underside plan shape, the extrusion dehydration on the extrusion dehydration part
Block is arranged to abut on filter screen.
Preferably, the rotational band is provided with feed pieces, the charging of the feed pieces on front side of its rotation direction
Mouth is provided towards the upside of rotational band, and the setting of charging aperture causes width uniform distribution of the blue-green algae along belt；This
Device is provided with discharge groove in filter screen along on rear side of rotational band rotation direction.
The beneficial effects of the present invention are：
1) extrusion dehydration and cleaning filter screen are combined together by the present invention so that blue algae dewatering and the cleaning same stepping of filter screen
OK.Because extrusion dehydration block and the filter screen are close together, formed between the extrusion dehydration block and filter screen of extrusion dehydration part
Extrusion dehydration, the closing space of cleaning.When extrusion dehydration block, which pushes algae water, to be moved ahead on filter screen, the moisture in blue-green algae is extruding
A part has been arranged by filter screen and gone out in the presence of power, and another part then converges in the surface of filter screen, is located in extrusion dehydration block
Between the blowing mouth wind of being sent blower fan by airduct be continuously transported between filter screen and extrusion dehydration block, now water and
Gas mixes, therefore is formed the blue-green algae similar to the same cleaning performance of giant, being blocked in filter screen mesh very
Just rushed soon out, and as extrusion dehydration block moves ahead together.So repeatedly extruding and kneading, algae water will quickly become algae
Mud.Algal gel discharges finally by the discharge gate being located on filter screen.
From the foregoing, low manufacture cost of the present invention and efficiency high, can be effectively real without the contaminative to environment, while again
The facilitation processing intent of existing blue-green algae, working stability and it is reliable.
2) spacing in the present invention between the extrusion dehydration block of extrusion dehydration part and the filter screen is adjustable, so as to when extruding
Dehydration block be worn either caused by other reasonses between extrusion dehydration block and filter screen spacing increase or need change filter screen
When, extrusion dehydration part or filter screen mechanism need to only lower or risen by operating personnel, it is thereby advantageously ensured that the present apparatus
Performance it is unaffected.
3) filter screen in the present invention and extrusion dehydration block use collodion, and the stomata of collodion is small, and water imbibition is stronger, collodion
Setting significantly enhance the water absorbing properties of extrusion dehydration block and filter screen so that extrusion dehydration block and filter screen are in the course of the work
Cells of Blue-green Algae can be absorbed to extrude and caused moisture, so as to effectively increase treatment effeciency of the present apparatus to blue-green algae.
4) the extrusion dehydration part in the present invention and filter screen have a variety of implementations, for example extrusion dehydration part can serve as reasons
The endless member that more pressure rams or compression roller are formed, and filter screen is then the recipient being engaged with above-mentioned endless member；Compare again
If extrusion dehydration part is square or rectangular-shape pressure ram, and filter screen with pressure ram or compression roller then for ease of being engaged
Planar or tabular；Therefore the present invention is easily achieved, and is easy to produce, has larger application value.
Brief description of the drawings
Fig. 1,2 be the present invention first preferred scheme structural representation.
Fig. 3 is the structural representation for of the invention first preferred scheme for removing feed pieces.
Fig. 4 is the structural representation for of the invention first preferred scheme for removing extrusion dehydration part.
Fig. 5,6a, 6b are the structural representation of blower mechanism.
Fig. 7 is the structural representation of feed pieces.
Fig. 8 is the structural representation of second preferred scheme of the present invention.
The implication of label symbol is as follows in figure：
First annular the second ring baffles of the baffle plate 20- 30- feed pieces of 10-
31- charging aperture 40- filter screen 50- extrusion dehydration part 51- extrusion dehydration blocks
52- blowing mouth 60- discharge groove 70- belt 71- roller 80- airducts
81- annular aid distributing pipes
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Embodiment 1
As shown in Figure 1, 2, the filter screen mechanism in the present embodiment includes horizontally disposed circular filter screen 40, the filter screen
10 are folded between the cylindric first annular baffle plate 10 in inner side and cylindric second ring baffle 20 in outside, and
Filter screen 10 is arranged on the bottom of the first annular ring baffle 20 of baffle plate 10 and second；The annular of first annular baffle plate 10 and second
The top of baffle plate 20 is arranged to charging aperture；The extrusion dehydration part 50 is arranged to multiple, and multiple extrusion dehydration parts 50 are along ring
To the upside for being evenly spaced in filter screen 40.
As shown in Fig. 5,6a, extrusion dehydration part 50 follows the first annular ring baffle 20 of baffle plate 10 and second around filter screen 40
Center rotating；Now, the blowing mouth 52 of the blower mechanism is located at the middle part of extrusion dehydration block 51, is connected with blowing mouth 52
Airduct 80 enter through first annular baffle plate 10 inside first annular baffle plate 10, airduct 80 with the first annular baffle plate 10
Annular aid distributing pipe 81 be connected, blower fan is by active joint to the annular air feed of aid distributing pipe 81.
As shown in Figure 6 b, the first annular ring baffle 20 of baffle plate 10 and second and filter screen 40 do not rotate during work, extruding
Dehydration part 50 is then along the surface pivots of filter screen 40；Now, the blowing mouth 52 of the blower mechanism is located in extrusion dehydration block 51
Portion, the airduct 80 being connected with blowing mouth 52 are upwardly extended and bent and stretch into the first annular inside of baffle plate 10 or the second annular gear
Outside plate 20, airduct 80 can equally be connected with annular aid distributing pipe (not shown in Fig. 6 b), blower fan again by active joint to
Annular aid distributing pipe air feed.
As shown in Fig. 1,2,7, the top of the first annular ring baffle 20 of baffle plate 10 and second is provided with feed pieces
30, charging aperture 31 is provided with feed pieces 30.The arrangement of charging aperture 31 is varied, the charging aperture as shown in Figure 1
31 set location causes rotation direction uniform distribution of the blue-green algae along extrusion dehydration part 50, i.e. charging aperture 31 is along filter screen 40
Radial direction arrangement；Certain charging aperture 31 can also arrange along the circumferencial direction of filter screen 40, as shown in Figure 2.
As shown in figures 1-4, it is provided with discharge groove 60 on the filter screen 40, and the discharge groove 60 is along extrusion dehydration portion
The rotation direction of part 50 is disposed remotely from the side of charging aperture 31.
As shown in Figure 5,6, the side towards filter screen 40 of the extrusion dehydration part 50 is provided with multiple extrusion dehydration blocks 51,
The filter screen 40 is collodion or silk screen；The material of the extrusion dehydration block 51 is collodion.
As shown in Figure 5,6, the blowing mouth 52 of the blower mechanism is located at the middle part of extrusion dehydration block 51, i.e. blowing mouth 52
The week side of boss is disposed as collodion, and the outlet air end of blowing mouth 52 is set towards filter screen 40, and the other end and the blower fan of blowing mouth 52 pass through wind
Pipe 80 is connected.
Embodiment 2
As shown in figure 8, the extrusion dehydration part 50 is arranged to multiple, multiple extrusion dehydration parts 50, which are fixedly installed on, to be turned
On dynamic band 70, the rotational band 70 is around being located on two rollers 71 and the reciprocating rotation under the drive of roller 71；The filter screen machine
Structure comprises at least the filter screen 40 for being arranged on the upside underside plan shape of rotational band 70, and the extrusion dehydration part 50 is provided with multiple squeeze
The side of press-dehydrating block 51 is through rotational band 70 and is arranged to abut on filter screen 40.
As shown in figure 8, the filter screen mechanism is the rectangular-shape being made up of filter screen 40, and filter screen mechanism is fixedly installed on and turned
In the space that dynamic band 70 is rotated and surrounded.
The present apparatus is provided with feed pieces 30, the charging aperture of the feed pieces 30 on front side of the rotation direction of rotational band 70
The upside of rotational band 70 is provided towards, and the setting of charging aperture causes width uniform distribution of the blue-green algae along belt；This
Device is provided with discharge groove 60 in filter screen 40 along on rear side of the rotation direction of rotational band 70.
In the above two embodiments, the extrusion dehydration part 50 is in flat bulk or in riser shape；It is described to squeeze
Press-dehydrating block 51 is arranged to be easy to the fibre of water suction, and the fibre includes but is not limited to sponge or collodion, so as to
Increase filtering means dehydration performance.
Likewise, in the above two embodiments, the extrusion dehydration block 51 of extrusion dehydration part 50 and the filter screen 40 it
Between spacing it is adjustable, advantageously ensure that the stability and reliability of extrusion dehydration performance.
The course of work of the present invention is elaborated by taking Fig. 1 as an example below.
During real work of the present invention, first annular gear is put into by blue-green algae and at the charging aperture 31 of feed pieces 30 first
In the cavity that the ring baffle 20 of plate 10 and second surrounds, with the uniform velocity turning for the first annular ring baffle 20 of baffle plate 10 and second
Dynamic, the extrusion dehydration part 50 being fixedly installed between the first annular ring baffle 20 of baffle plate 10 and second also begins to rotate.By
There is certain elasticity in collodion material, therefore the extrusion dehydration region between extrusion dehydration block 51 and filter screen 40 is at work just
Swallowed wherein in by blue-green algae, also just due to the glue closely against each other and flexible between extrusion dehydration block 51 and filter screen 40
The double action of cotton, into the blue-green algae in extrusion dehydration region or algae shipwreck to depart from, therefore, in continuing for extrusion dehydration part 50
Under rotation, constantly it will be extruded and be dehydrated under the rubbing repeatedly of collodion into the blue-green algae in extrusion dehydration region or algae water, and
Algal gel is ultimately formed, the moisture being squeezed out in the process is then directly excluded by filter screen 40.
Algal gel under the promotion of extrusion dehydration part 50 constantly advance by rolling, finally falls into discharge groove 60 and is excluded.
Claims (7)
- A kind of 1. blue-green algae squeezing dehydration device, it is characterised in that：The present apparatus includes being equipped with the filter screen mechanism of filter screen (40), extruding Dehydration part (50) and blower mechanism；On the filter screen (40), it is provided with and pushes blue-green algae or algae water and gone forward in filter screen (40) OK, or make to fill blue-green algae or the filter screen (40) of algae water moves ahead, and the moisture in blue-green algae or algae water is passed through filter screen by extruding (40) the extrusion dehydration part (50) discharged；It is additionally provided with the present apparatus for purging blowing for filter screen (40) that are blocked by blue-green algae Wind mechanism；The side towards filter screen (40) of the extrusion dehydration part (50), provided with multiple extrusion dehydration blocks (51)；The extruding Dehydration block (51) is using the material for being easy to water suction；The blowing mouth (52) of the blower mechanism is located at the centre or its front and rear place of extrusion dehydration block (51), and blowing mouth (52) go out Wind end is set towards filter screen (40), and the other end of blowing mouth (52) is connected with blower fan by airduct (80)；Extruding groove is provided with the filter screen mechanism, the filter screen (40) is laid in extruding groove；Described extrusion dehydration block (51) The direction for being located at the top of filter screen (40) and being set along filter screen (40) is moved, or filter screen (40) is along extrusion dehydration block (51) The direction motion of setting；Described extrusion dehydration block (51) completely or partially sticks together with filter screen (40)；The filter screen (40) upside is provided with charging aperture；Described filter screen (40) is provided with discharge groove (60).
- A kind of 2. blue-green algae squeezing dehydration device as claimed in claim 1, it is characterised in that：The filter screen (40) is collodion or silk Net.
- A kind of 3. blue-green algae squeezing dehydration device as claimed in claim 1, it is characterised in that：The material of the extrusion dehydration block (51) Expect for collodion.
- A kind of 4. blue-green algae squeezing dehydration device as claimed in claim 1, it is characterised in that：The filter screen (40) and extrusion dehydration Spacing between block (51) is adjustable.
- A kind of 5. blue-green algae squeezing dehydration device as claimed in claim 1, it is characterised in that：The filter screen mechanism includes being arranged on The cylindric first annular baffle plate (10) of inner side and cylindric second ring baffle (20) for being arranged on outside are described first annular The extruding groove of annular shape is surrounded between baffle plate (10) and the second ring baffle (20)；The first annular baffle plate (10) and the second ring The top of shape baffle plate (20) offers charging aperture；The extrusion dehydration part (50) be fixedly connected in first annular baffle plate (10) and Between second ring baffle (20), the extrusion dehydration part (50) is arranged to multiple, and multiple extrusion dehydration parts (50) are along ring To the upside for being evenly spaced in filter screen (40).
- A kind of 6. blue-green algae squeezing dehydration device as claimed in claim 1 or 2, it is characterised in that：The extrusion dehydration part (50) it is arranged to multiple, multiple extrusion dehydration parts (50) are fixedly installed in rotational band (70), rotational band (70) winding On two rollers (71) and the reciprocating rotation under the drive of roller (71)；The filter screen mechanism, which comprises at least, is arranged on upside turn The filter screen (40) of dynamic band (70) underside plan shape, the extrusion dehydration block (51) on the extrusion dehydration part (50) are arranged to recline On filter screen (40).
- A kind of 7. blue-green algae squeezing dehydration device as claimed in claim 6, it is characterised in that：The rotational band (70) rotates at it Feed pieces (30) are provided with front side of direction, the charging aperture of the feed pieces (30) is provided towards the upper of rotational band (70) Side, and the setting of charging aperture causes width uniform distribution of the blue-green algae along belt；The present apparatus rotates on the edge of filter screen (40) Discharge groove (60) is provided with rear side of band (70) rotation direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510456442.1A CN105060674B (en) | 2015-07-28 | 2015-07-28 | A kind of blue-green algae squeezing dehydration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510456442.1A CN105060674B (en) | 2015-07-28 | 2015-07-28 | A kind of blue-green algae squeezing dehydration device |
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| Publication Number | Publication Date |
|---|---|
| CN105060674A CN105060674A (en) | 2015-11-18 |
| CN105060674B true CN105060674B (en) | 2017-12-19 |
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| CN201510456442.1A Active CN105060674B (en) | 2015-07-28 | 2015-07-28 | A kind of blue-green algae squeezing dehydration device |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108455749B (en) * | 2017-02-22 | 2024-04-26 | 郑百祥 | Sewage treatment equipment for containing solids |
| CN107056010B (en) * | 2017-05-08 | 2023-06-30 | 江苏涞森环保设备有限公司 | Worm extrusion type dehydrator |
| CN107098515B (en) * | 2017-07-07 | 2023-06-16 | 长江水利委员会长江科学院 | Integrated device and method for adsorbing, killing and concentrating water bloom blue algae |
| CN109336360A (en) * | 2018-11-08 | 2019-02-15 | 江苏省农业科学院 | Cyanobacteria deep dehydration method and its power generation energy resource method |
| CN113101726B (en) * | 2021-02-26 | 2023-03-24 | 暨南大学 | Suction-blowing filtering system |
| CN113101727B (en) * | 2021-02-26 | 2023-03-24 | 暨南大学 | Suction-blowing filtering system and suction-blowing filtering method using same |
| CN114208657B (en) * | 2021-12-10 | 2024-03-01 | 深圳市永泼生物科技有限公司 | Cultivation device for batch green chlorella for algae cultivation |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102754862B (en) * | 2011-10-14 | 2013-09-25 | 连云港富安紫菜机械有限公司 | Cake water absorption disc device for algae processing and dewatering equipment |
| CN205011599U (en) * | 2015-07-28 | 2016-02-03 | 龚正圣 | Blue alga squeezing dehydration device |
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