CN210001867U - Closed microalgae green harvesting and drying system - Google Patents
Closed microalgae green harvesting and drying system Download PDFInfo
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- CN210001867U CN210001867U CN201920555072.0U CN201920555072U CN210001867U CN 210001867 U CN210001867 U CN 210001867U CN 201920555072 U CN201920555072 U CN 201920555072U CN 210001867 U CN210001867 U CN 210001867U
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- 238000003306 harvesting Methods 0.000 title claims description 58
- 238000001035 drying Methods 0.000 title claims description 22
- 238000001914 filtration Methods 0.000 claims abstract description 57
- 241000195493 Cryptophyta Species 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 230000005484 gravity Effects 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 239000000945 filler Substances 0.000 claims description 15
- 238000009833 condensation Methods 0.000 claims description 14
- 230000005494 condensation Effects 0.000 claims description 14
- 239000004065 semiconductor Substances 0.000 claims description 11
- 238000005057 refrigeration Methods 0.000 claims description 8
- 239000011358 absorbing material Substances 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 238000000151 deposition Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000011084 recovery Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- -1 filter screen Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an closed little algae green is gathered and is dried by fire system of depositing, including feed liquor pipe and collection case, be provided with gravity filtering area, tension filtering area, dry by fire and deposit district and heat source in the collection case, the feed liquor pipe is used for carrying algae liquid to the gravity filtering area, the gravity filtering area communicates with the tension filtering area, tension filtering area below is provided with two at least cylinders and the filter screen conveyer belt of winding on the cylinder, the conveyer belt below is provided with heat-conducting plate and the cylinder of gathering, it is provided with dries by fire and deposits the district to gather the cylinder below, dries by fire and deposits the district and is provided with the second heat-conducting plate, heat source heating heat-conducting plate and second heat-conducting plate.
Description
Technical Field
The utility model relates to an alga equipment field of gathering especially relates to kinds of high-efficient green systems of gathering of closed little algae.
Background
In the prior art, methods for harvesting microalgae mainly include: the main defects of the harvesting methods include long time consumption, high energy consumption and complex process, can only be used for industrial large-scale harvesting, and is not convenient for small-scale economic application.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide kinds of closed little algae green harvesting and drying system, realize that little algae is automatic, the modularization is gathered on a small scale.
In order to solve the technical problem, the utility model adopts the technical proposal that closed microalgae green harvesting and drying and storing systems comprise a liquid inlet pipe and a harvesting box;
the harvesting box is internally provided with a gravity filtering area, a tension filtering area, a drying and storing area and a heat source, the liquid inlet pipe is used for conveying the algae liquid to the gravity filtering area, and the gravity filtering area is communicated with the tension filtering area;
the tension filtering area is provided with a th filter screen and filler positioned below the th filter screen, and the th filter screen is inclined;
at least two rollers and a conveyor belt wound on the rollers are arranged below the tension filtering area, a th heat-conducting plate and a harvesting roller are arranged below the conveyor belt, the harvesting roller is tangent to the conveyor belt, and the th heat-conducting plate is close to the conveyor belt so as to heat the conveyor belt;
a drying and storing area is arranged below the harvesting roller, and a second heat-conducting plate is arranged in the drying and storing area;
the heat source heats the first and second thermally conductive plates.
The algae liquid reaches the tension filtering area through the gravity filtering area, wherein the water is gradually absorbed by the hydrophilic filler, the viscous algae liquid flows to the conveying belt along the th filter screen and is uniformly spread and thinned on the surface of the conveying belt and is naturally evaporated, the th heat conducting plate heats and dries the naturally evaporated microalgae thin layer on the conveying belt, so that the microalgae thin layer is shrunk and dried, and the dried and cracked microalgae thin layer reaches the harvesting roller and is cleaned and stripped off the conveying belt to fall into the drying area, so that the microalgae is harvested.
, the gravity filtering area comprises a deep water area and a shallow water area, a second filter screen is arranged at the bottom of the deep water area and is finally communicated to the microalgae culture pond through a pipeline, an algae liquid channel is arranged in the shallow water area and is communicated to the tension filtering area, algae liquid entering the gravity filtering area is firstly gathered in the deep water area, smaller microalgae and water flow back to the microalgae culture pond through the second filter screen under the action of gravity, and larger microalgae are retained in the gravity filtering area and are continuously accumulated and diffused to the shallow water area and reach the tension filtering area through the algae liquid channel in the shallow water area.
In order to increase the water filtering capacity of the tension filtering area, the tension filtering area is provided with th pipelines, th pipelines extend into the filler, th pipelines pump air near the tension filtering area into the filler, and the air is used for dredging pores in the filler and breaking the surface tension of the algae liquid on the th filter screen.
, the heat source is a semiconductor refrigeration piece, and the hot end of the semiconductor refrigeration piece heats the heat conduction plate and the second heat conduction plate.
, the harvesting and drying system further comprises a second pipeline, a condensation area is arranged in the harvesting box, the cold end of the semiconductor refrigeration piece is located in the condensation area, the second pipeline passes through the area around the conveyor belt and the condensation area, the cold end of the semiconductor refrigeration piece condenses gas in the second pipeline, the second pipeline is provided with air inlets on the inner side of the conveyor belt and other positions of damp and hot air, the damp and hot air evaporated by the heat conduction plate and the second heat conduction plate enters the second pipeline to heat the microalgae thin layer on the conveyor belt and then reaches the condensation area with lower temperature, water vapor is condensed into water, and the condensed water is stored in the condensation area through a water drainage branch and is discharged timely.
And , the second pipeline extends to the harvesting roller and sprays the condensed dry and cold air to the conveyer belt near the harvesting cylinder, the microalgae on the conveyer belt is heated and dried to crack and is rapidly cooled by the dry and cold air at the harvesting roller, and the microalgae slices are shrunk and dried to crack by steps so as to be conveniently stripped from the conveyer belt.
, the roller is made of or coated with a water-absorbing material.
, the conveyor belt is made of porous material, such as various materials, including filter screen, cloth, etc.
, the harvesting and baking system further comprises a microalgae enrichment pool and a water pump (such as a gas lift pump), the microalgae enrichment pool is communicated with the microalgae culture pool, a third filter screen is arranged at the communication position, the water pump continuously pumps the algae liquid in the microalgae culture into the microalgae enrichment pool, the third filter screen enables the larger microalgae to be gathered in the microalgae enrichment pool for convenient harvesting, the smaller microalgae and the water return to the microalgae culture pool through the third filter screen, and the algae liquid pumped into the gravity filtering area by the liquid inlet pipe comes from the microalgae enrichment pool.
, setting a temperature controller in the baking area, a temperature controller to monitor the temperature of the baking area and control the heating degree of the heat source, and a second temperature controller in the collecting box to monitor the temperature of the heat conducting plate and control the heating degree of the heat source.
The beneficial effects (1) the utility model discloses a closed little algae green harvesting system utilizes a plurality of filtering districts and cylinder and conveyer belt to realize the closed harvesting of little algae, the harvesting process need not to add other materials and does not produce the influence to algae pond and environment, entire system has good automatic characteristic and flexibility, especially adapted small-scale modularization little algae harvesting scene use (2) the utility model discloses a closed little algae green harvesting system sets up the tension filtering district, adopts slope filter screen and hydrophilic filler and inside aeration combined action effectively to break down the surface tension of algae liquid on the filter screen, and the intraformational moisture of quick filtering algae liquid reduces the later stage as far as possible and needs the moisture content (3) the utility model discloses a closed little algae green harvesting system adopts porous conveyer belt and water absorption cylinder, advances steps and reduces little algae thin intraformational moisture (4) the utility model discloses a closed little algae green harvesting system adopts active air circulation system, through the condensation process, will gather the incasement steam that evaporates rapidly and take away and condense and discharge, evaporation process (5) the utility model discloses a little algae green harvesting system adopts closed little algae semiconductor heat of moisture to contain the evaporation efficiency of evaporation and evaporation heat by a wide margin for promoting.
Drawings
FIG. 1 is a schematic diagram of the closed microalgae green harvesting and baking system in example 1.
Fig. 2 is a schematic view of the structure of the recovery tank in example 1.
Fig. 3 is an enlarged view a of fig. 2.
Fig. 4 is a schematic view (another views) of the construction of the harvesting box of example 1.
The microalgae cultivation device comprises a liquid inlet pipe 1, a microalgae enrichment pool 2, a circulating gas lift pump 3, a microalgae cultivation pool 4, a third filter screen 5, a gravity filtering area 6, a deep water area 601, a shallow water area 602, a 6021 algae liquid channel 7, a tension filtering area 8, a drying area 9, a condensation area 10, a second pipeline 11, a second filter screen 12, an filter screen 13, a filler 14, a pipeline 15, a roller 16, a conveyor belt 17, a heat conduction plate 18, a harvesting roller 19, a second heat conduction plate 20 and a temperature controller.
Detailed Description
The present invention will be described in further detail in with reference to specific embodiments.
Example 1
As shown in fig. 1, the closed microalgae green harvesting and drying system of the embodiment includes a liquid inlet pipe 1, a harvesting tank, a microalgae enrichment pool 2 and a circulating gas lift pump 3;
for ease of viewing, the box panels at the top and front of the box are hidden in fig. 1, 2 and 4;
the microalgae enrichment pool 2 is communicated with the microalgae culture pool 4, a third filter screen 5 is arranged at the communicated position, the circulating gas lift pump 3 continuously pumps the algae liquid in the microalgae culture into the microalgae enrichment pool 2, and the third filter screen 5 enables larger microalgae to be gathered in the microalgae enrichment pool 2;
a gravity filtering area 6, a tension filtering area 7, a drying and storing area 8, a condensing area 9 and a semiconductor refrigerating sheet are arranged in the harvesting box, and the algae liquid in the microalgae enrichment pool 2 is conveyed to the gravity filtering area 6 by the liquid inlet pipe 1; as shown in fig. 2, the gravity filtering area 6 includes a deep water area 601 and a shallow water area 602 (in fig. 2, the deep water area 601 is on the left of the right shallow water area 602), and the bottom of the deep water area 601 is provided with a second filter screen 11 and is finally communicated to the microalgae culture pond 4 through a pipeline; the shallow water area 602 is provided with an algae liquid channel 6021 communicated to the tension filtering area 7;
the tension filtering area 7 is provided with an th filter screen 12, a filler 13 positioned below the th filter screen 12 and a th pipeline 14, the th filter screen 12 is inclined, the th pipeline 14 extends into the filler 13, and the th pipeline 14 pumps wet cold air near the tension filtering area 7 into the filler 13;
three rollers 15 and a conveyor belt 16 wound on the rollers 15 are arranged below the tension filtering area 7, the rollers 15 are made of water-absorbing materials or coated with water-absorbing materials, the conveyor belt 16 is made of porous materials, an th heat-conducting plate 17, a second temperature controller and a harvesting roller 18 are arranged below the conveyor belt 16, the harvesting roller 18 is tangent to the conveyor belt 16 (shown in figure 3 in particular), and a th heat-conducting plate 17 is close to the conveyor belt 16 in parallel so as to heat the conveyor belt 16;
a drying and storing area 8 is arranged below the harvesting roller 18, and a second heat conducting plate 19 and a temperature controller 20 are arranged in the drying and storing area 8;
the hot end of the semiconductor refrigeration piece heats the first heat conducting plate 17 and the second heat conducting plate 19, the cold end of the semiconductor refrigeration piece is located in the condensation zone 9, the second pipeline 10 passes through the area below the conveyor belt 16, the condensation zone 9 and extends to the position of the harvesting roller 18, air inlets are formed in the second pipeline 10 below the tension filtering zone 7 and on the inner side of the conveyor belt 16, the second pipeline 10 sprays condensed air to the conveyor belt 16, and a drainage branch of the second pipeline 10 in the condensation zone 9 is inserted below the liquid level of the condensation zone 9.
The working process of the closed microalgae green harvesting and drying system in the embodiment is as follows:
(1) the algae liquid is pumped into the gravity filtering area 6 of the harvesting box from the microalgae enrichment pool 2 by the liquid inlet pipe 1, the smaller microalgae and water pass through the second filter screen 11 and then flow back to the microalgae culture pool 4, the larger microalgae are retained in the gravity filtering area 6, are continuously accumulated and diffused to the shallow water area 602, and reach the tension filtering area 7 through the algae liquid channel 6021 of the shallow water area 602;
(2) in the tension filtering area 7, moisture in the algae liquid is absorbed and drained by the hydrophilic filler 13, the th pipeline 14 pumps air near the tension filtering area 7 into the filler 13 and overflows from the surface of the th filter screen 12, the step is carried out to remove the surface tension formed by the algae liquid on the surface of the th filter screen 12, and the concentrated viscous algae liquid flows to the conveyor belt 16 along the th filter screen 12 and is uniformly spread on the surface of the conveyor belt 16;
(3) the microalgae thin layer uniformly spread on the porous conveyor belt 16 passes through the water absorption roller to be to absorb water therein, and slowly moves along with the conveyor belt to absorb surrounding heat for natural evaporation;
(4) , the heat conducting plate 17 heats and dries the passing microalgae thin layer, the microalgae dehydrates rapidly, shrinks and cracks;
(5) the dried microalgae reaching the harvesting roller 18 are cleaned and stripped off the conveyor belt 16 to fall into the drying and storing area 8, and the dried microalgae are baked and dehydrated by a second heat conduction plate 19 in the drying and storing area 8 in steps, so that the microalgae are harvested.
In this embodiment, the second pipeline 10 circulates gas in the recovery tank, the second pipeline 10 extracts moist air near the tension filtering area 7 and the conveyor belt 16 to accelerate evaporation of the moist air, and the moist air is re-condensed into water in the condensation area 9 and stored in the condensation area 9, and meanwhile, the second pipeline 10 sprays condensed dry and cold air to the heated microalgae thin layer dehydrated and dried on the conveyor belt 16 at the recovery roller 18, so that the shrinkage and drying process of the microalgae thin layer is accelerated, and the microalgae thin layer is conveniently peeled off from the conveyor belt 16.
Although the embodiments of the present invention have been described in the specification, these embodiments are only for the purpose of presentation and should not be construed as limiting the scope of the present invention. Various omissions, substitutions, and changes may be made without departing from the spirit and scope of the invention.
Claims (10)
1, kinds of closed microalgae green harvesting and drying storage systems, which are characterized by comprising a liquid inlet pipe and a harvesting box;
the harvesting box is internally provided with a gravity filtering area, a tension filtering area, a drying and storing area and a heat source, the liquid inlet pipe is used for conveying the algae liquid to the gravity filtering area, and the gravity filtering area is communicated with the tension filtering area;
the tension filtering area is provided with a th filter screen and filler positioned below the th filter screen, and the th filter screen is inclined;
at least two rollers and a conveyor belt wound on the rollers are arranged below the tension filtering area, a th heat-conducting plate and a harvesting roller are arranged below the conveyor belt, and the harvesting roller is tangent to the conveyor belt;
a drying and storing area is arranged below the harvesting roller, and a second heat-conducting plate is arranged in the drying and storing area;
the heat source heats the first and second thermally conductive plates.
2. The closed microalgae green harvesting and baking system of claim 1, characterized in that: the gravity filtering area comprises a deep water area and a shallow water area, and a second filter screen is arranged at the bottom of the deep water area and is finally communicated to the microalgae culture pond through a pipeline; the shallow water area is provided with an algae liquid channel communicated to the tension filtering area.
3. The system for harvesting and baking microalgae in green form as claimed in claim 1, wherein the tension filtering area has th pipeline, th pipeline extends into the filler, th pipeline pumps air around the tension filtering area into the filler.
4. The closed microalgae green harvesting and baking system as claimed in claim 1, wherein the heat source is a semiconductor refrigeration sheet, and the hot end of the semiconductor refrigeration sheet heats the th heat-conducting plate and the second heat-conducting plate.
5. The closed microalgae green harvesting and baking system of claim 4, characterized in that: the device also comprises a second pipeline; a condensing area is arranged in the collecting box, the second pipeline passes through the area around the conveying belt and the condensing area, and the cold end of the semiconductor refrigerating sheet is positioned in the condensing area to condense gas in the second pipeline; the second pipeline is provided with an air inlet at the inner side of the conveyor belt, and a condensed water drainage branch is arranged in the condensation area of the second pipeline.
6. The closed microalgae green harvesting and baking system of claim 5, characterized in that: the second pipeline extends to the harvesting roller and sprays the condensed air to the conveyor belt.
7. The closed microalgae green harvesting and baking system of claim 1, characterized in that: the roller is made of water-absorbing materials or is wrapped by water-absorbing materials.
8. The closed microalgae green harvesting and baking system of claim 1, characterized in that: the conveyor belt is made of a porous material.
9. The closed microalgae green harvesting and baking system of claim 1, characterized in that: the microalgae culture system also comprises a microalgae enrichment pool and a circulating gas lift pump, wherein the microalgae enrichment pool is communicated with the microalgae culture pool, a third filter screen is arranged at the communication position, and the gas lift pump continuously pumps algae liquid in the microalgae culture into the microalgae enrichment pool; the algae liquid pumped into the gravity filtering area by the liquid inlet pipe comes from the microalgae enriching pool.
10. The closed microalgae green harvesting and baking system of claim 1, wherein the baking area is provided with an th temperature controller, the th temperature controller monitors the temperature of the baking area and controls the heating degree of the heat source, and the harvesting box is provided with a second temperature controller which monitors the temperature of the th heat conducting plate and controls the heating degree of the heat source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920555072.0U CN210001867U (en) | 2019-04-23 | 2019-04-23 | Closed microalgae green harvesting and drying system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920555072.0U CN210001867U (en) | 2019-04-23 | 2019-04-23 | Closed microalgae green harvesting and drying system |
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| CN210001867U true CN210001867U (en) | 2020-01-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109971641A (en) * | 2019-04-23 | 2019-07-05 | 胡小军 | Deposit system is dried in the harvesting of sealed microalgae green |
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- 2019-04-23 CN CN201920555072.0U patent/CN210001867U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109971641A (en) * | 2019-04-23 | 2019-07-05 | 胡小军 | Deposit system is dried in the harvesting of sealed microalgae green |
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Denomination of utility model: Closed microalgae green harvesting and drying storage system Effective date of registration: 20231121 Granted publication date: 20200131 Pledgee: Huang Chun Pledgor: Hu Xiaojun Registration number: Y2023980066540 |