CN111773935A - Oxygen adding device for improving dissolved oxygen amount of nutrient solution in water culture system - Google Patents
Oxygen adding device for improving dissolved oxygen amount of nutrient solution in water culture system Download PDFInfo
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- CN111773935A CN111773935A CN202010720605.3A CN202010720605A CN111773935A CN 111773935 A CN111773935 A CN 111773935A CN 202010720605 A CN202010720605 A CN 202010720605A CN 111773935 A CN111773935 A CN 111773935A
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- hollow support
- rotating shaft
- oxygenation device
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- 235000015097 nutrients Nutrition 0.000 title claims abstract description 134
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 40
- 239000001301 oxygen Substances 0.000 title claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 55
- 238000006213 oxygenation reaction Methods 0.000 claims abstract description 35
- 238000005276 aerator Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 description 9
- 210000004209 hair Anatomy 0.000 description 8
- 241000883990 Flabellum Species 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 235000012773 waffles Nutrition 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 230000001706 oxygenating effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008121 plant development Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/55—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers driven by the moving material
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G31/00—Soilless cultivation, e.g. hydroponics
- A01G31/02—Special apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2332—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements the stirrer rotating about a horizontal axis; Stirrers therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
- B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
- B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
- B01F23/237611—Air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/45—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads
- B01F25/452—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces
- B01F25/4521—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces the components being pressed through orifices in elements, e.g. flat plates or cylinders, which obstruct the whole diameter of the tube
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/118—Stirrers in the form of brushes, sieves, grids, chains or springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/91—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with propellers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Chemical & Material Sciences (AREA)
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Abstract
The invention relates to the technical field of soilless culture, in particular to an oxygenation device for improving the dissolved oxygen of nutrient solution in a hydroponic system. The oxygenation device can be clamped in the middle of a pipeline, and fan blades, rotating wheels, grid plates or brush layers are arranged in the oxygenation device, so that nutrient solution is dispersed when flowing through, the contact area of the nutrient solution and air is increased, and the purpose of improving the dissolved oxygen in the nutrient solution is achieved.
Description
Technical Field
The invention relates to the technical field of soilless culture, in particular to an oxygenation device for improving the dissolved oxygen of nutrient solution in a hydroponic system.
Background
Soilless Culture (also called nutrient solution Culture, hydroponic Culture and water Culture) is a Culture technology which does not use natural soil, but uses nutrient solution containing essential elements for plant growth and development to provide nutrition so that plants normally complete the whole life cycle. The soilless culture breaks away from the limitation of soil, greatly expands the space of agricultural production, enables crops to be produced on the green land, and has wide development prospect. The water culture yield is far higher than that of the traditional planting, and the fertilizer and water are saved, so that the method not only has good economic benefit, but also has obvious social benefit and ecological benefit. Nutrient elements required by plant roots in water culture can be maintained by supplementing nutrient solution, but oxygen required by the plant roots is difficult to supplement artificially.
In the prior art, people usually supplement air into the nutrient solution through an external oxygenation pump to maintain a certain oxygen content in the nutrient solution, and the method needs an additional mechanical and electrical device, increases the planting cost and is difficult to realize in a three-dimensional multilayer planting system.
Disclosure of Invention
Therefore, the oxygen adding device for improving the dissolved oxygen amount of the nutrient solution in the water culture system needs to be provided, does not need extra power equipment, is arranged in a nutrient solution pipeline for three-dimensional cultivation, can push the nutrient solution to operate by utilizing the self gravity of the nutrient solution, and achieves the purpose of improving the dissolved oxygen amount of the nutrient solution in the water culture system.
In order to achieve the purpose, the invention provides an oxygenation device for improving the dissolved oxygen of nutrient solution in a hydroponic system, which comprises a hollow support, wherein a top cover and a base are arranged on the upper portion and the lower portion of the hollow support, the top cover is provided with a water inlet, the caliber of the water inlet is smaller than that of the hollow support, a water outlet is arranged on the base, the water inlet, the hollow support and the water outlet are sequentially communicated, and an automatic aerator which utilizes the liquid flow in the hollow support as power to increase the contact area of the liquid and the air is embedded in the hollow support. The device does not need extra power equipment, installs in the nutrient solution pipeline of three-dimensional cultivation, utilizes nutrient solution self gravity to promote automatic oxygenator, perhaps directly passes through the through-hole of grid plate, realizes improving the purpose of nutrient solution dissolved oxygen volume in the water culture system.
Further, the automatic aerator may comprise a stationary automatic aerator or a movable automatic aerator.
Further, fixed automatic oxygenation device includes the waffle slab, the waffle slab level sets up in the cavity support, the waffle slab runs through along the vertical direction and is equipped with a plurality of drainage holes, has the clearance between the adjacent drainage hole, the circulation of water inlet is greater than the circulation in drainage hole.
Furthermore, the fixed automatic oxygen increasing device comprises a plurality of interception plates, the interception plates are fixed in the hollow bracket directly, the interception plates are horizontally or arranged in the hollow bracket at an included angle beta, the included angle beta ranges from 0 to 65 degrees, the area of the interception plates is smaller than that of the water inlet, and the interception plates are alternately arranged in a staggered manner along the length direction of the hollow bracket.
Furthermore, the automatic oxygenator comprises a fan blade and supporting rods, the fan blade comprises a rotating shaft rod and a plurality of blades, the blades are arranged around the rotating shaft rod in a surrounding mode, the blades are provided with roots connected with the rotating shaft rod, the roots of the blades are arranged in an inclined mode relative to the rotating shaft of the rotating shaft rod, the blades are radially twisted and extended from the roots, the blades are rotationally symmetrical and annularly and uniformly distributed, the number of the supporting rods is at least two, the supporting rods are arranged in a crossed mode and fixed in the water outlet, rotating shaft holes are formed in the crossed points of the supporting frames, the rotating shaft rod and the hollow support are coaxially rotated and arranged on the rotating shaft holes of the supporting frames, and the diameter of the outer circumference of the fan blade is smaller than the inner. Thereby the flabellum of fan flabellum can be promoted when the nutrient solution is to the whereabouts for fan flabellum can rotate on the base, and the dispersion nutrient solution increases nutrient solution and air area of contact, and fan flabellum can not touch the inner wall of cavity support when rotating.
Furthermore, the movable automatic oxygenation device comprises a rotating wheel, the rotating wheel comprises a rotating shaft and a plurality of rotating blades, the rotating shaft is perpendicular to the hollow support, two ends of the rotating shaft and two ends of the hollow support are tightly abutted to the inner wall of the hollow support, the rotating blades comprise a rotating cylinder and a rectangular plate, the rectangular plate is circumferentially arranged on the cylinder, the rotating cylinder is sleeved on the rotating shaft, the sum of the lengths of the two rotating blades located on the same surface is smaller than the inner diameter of the hollow support, and one of the rotating blades is located below the water inlet. Thereby the nutrient solution can promote the rotating blade when falling downwards for the rotating blade rotates around the axis of rotation, and the dispersed nutrient solution increases nutrient solution and air area of contact.
Further, automatic oxygenation device of movable includes the brush layer, the brush layer includes fixed frame and rotates a plurality of brushes that set up in fixed frame, fixed frame level is placed, the outer lane wall of fixed frame is supported with the cavity support looks vertical sticis, has the clearance between the adjacent brush. The hairbrush is pushed to rotate by the falling of the nutrient solution due to the gravity of the nutrient solution, and the nutrient solution is cut by the rotation of the hairbrush, so that the contact area of the nutrient solution and air is increased.
Further, the brush includes the dwang, the dwang is parallel with fixed frame to the rotation sets up in fixed frame, circumference evenly is provided with a plurality of brush hair groups on the dwang, brush hair group comprises a plurality of brush hairs of following the even interval arrangement of dwang axial. So that the nutrient solution falls on the bristles and is separated and discharged from the gaps.
Furthermore, a guide plate is arranged in the water inlet, an included angle alpha is formed between the plane of the guide plate and the plane of the water inlet, the angle range of the included angle alpha is 0-65 degrees, and the area of the guide plate is smaller than that of the water inlet. Nutrient solution accessible guide of guide plate accurately flows in the hollow support to the horizontal area of water inlet is less than the horizontal plane of nutrient solution circulating line, has increased the water pressure of nutrient solution a little, makes the power that the nutrient solution was used in fan flabellum, runner, grid plate or brush layer bigger.
Different from the prior art, the technical scheme has the following beneficial effects:
1. the oxygenation device can be clamped in the middle of a pipeline, and fan blades, rotating wheels, grid plates or brush layers are arranged in the oxygenation device, so that nutrient solution is dispersed when flowing through, the contact area of the nutrient solution and air is increased, and the purpose of improving the dissolved oxygen in the nutrient solution is achieved.
2. The oxygen adding device can be placed in one or more pipelines according to actual requirements.
3. The invention is provided with four different oxygen dissolvers, namely fan blades, rotating wheels, grid plates or brush layers, which can be selected and used at will according to the flow rate, the flow velocity and the fluidity of nutrient solution.
4. The invention can guide the nutrient solution into the hollow bracket accurately by the guide plate, and the horizontal area of the water inlet is smaller than the horizontal plane of the nutrient solution circulating pipeline, so that more nutrient solution is gathered on the oxygen dissolving device, and the force of the nutrient solution acting on fan blades, rotating wheels, grid plates or brush layers is larger.
Drawings
FIG. 1 is a schematic structural diagram of an oxygenation device for increasing the dissolved oxygen of nutrient solution in a hydroponic system in the background art;
FIG. 2 is a schematic view of the fan blade of the oxygenation device of embodiment 1;
FIG. 3 is a schematic view of the base and fan blades of embodiment 1;
FIG. 4 is a schematic structural view of a runner of the oxygenating apparatus in accordance with embodiment 2;
FIG. 5 is a schematic structural view of the rotor according to embodiment 2;
FIG. 6 is a schematic structural view of a mesh of the oxygenating apparatus in embodiment 3;
FIG. 7 is a schematic structural view of the grid plate according to embodiment 3;
FIG. 8 is a schematic structural view of the interception plate of embodiment 3;
FIG. 9 is a schematic structural view of a brush layer of the oxygenation apparatus according to embodiment 4;
fig. 10 is a schematic structural view of a brush layer according to embodiment 4.
Description of reference numerals:
1. hollow support, 2, top cap, 3, base, 301, delivery port, 4, water inlet, 5, fan flabellum, 6, runner, 601, axis of rotation, 602, rotating vane, 7, net board, 701, drainage hole, 8, brush layer, 801, fixed frame, 802, brush, 9, bracing piece, 10, guide plate, 11, interception board.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Example 1:
referring to fig. 1, the oxygenation device for increasing the dissolved oxygen of a nutrient solution in a hydroponic system in this embodiment includes a hollow support 1, the hollow support 1 is disposed in a rectangular parallelepiped, and the openings at the upper and lower ends of the hollow support 1 are disposed in a square shape, and in other embodiments, the hollow support 1 may be a cylindrical tube, the top cover 2 and the base 3 are disposed on the upper and lower covers of the hollow support 1 and are matched with the openings at the upper and lower ends of the hollow support 1, a flow guide plate 10 is disposed in the water inlet 4, an included angle α is formed between the horizontal plane of the flow guide plate 10 and the horizontal plane of the water inlet 4, the included angle α is in a range of 0 to 65 °, preferably, the included angle α is 15 °, specifically, the area of the flow guide plate 10 is smaller than the area of the water outlet 301, preferably, the area of the flow guide plate 10 is larger than or smaller than the, therefore, the horizontal area of the water inlet 4 is smaller than the horizontal plane of the nutrient solution flowing pipeline, the water pressure of the nutrient solution is slightly increased, the force of the nutrient solution acting on the automatic oxygenator is larger, the base 3 is provided with the water outlet 301, the water inlet 4, the hollow support 1 and the water outlet 301 are sequentially communicated to form the hollow support, the automatic oxygenator which utilizes the liquid flowing in the hollow support to increase the contact area of the liquid and the air as the power is embedded in the hollow support, the device can be directly installed in the nutrient solution pipeline of three-dimensional cultivation without additional power equipment, and the nutrient solution can flow into the hollow support 1 through the water inlet 4 under pressure by utilizing the self gravity of the nutrient solution to push the automatic oxygenator, so that the contact area of the nutrient solution and the air is increased, the oxygen content of the nutrient.
In this embodiment, as shown in fig. 2 and 3, a fixing ring is protruded from the top of the base 3, an outer wall of the fixing ring and an inner wall of the water outlet 301 are located on the same vertical plane, the fixing ring is embedded in the hollow support 1, and the fixing ring and the hollow support 1 are coaxially and tightly abutted to the inner wall of the hollow support 1, so that the base 3 can be fixedly disposed at the bottom of the hollow support 1 through the sealing ring, specifically, the movable automatic oxygen increasing device includes a fan blade 5 and a support rod 9, the fan blade includes a rotating shaft rod and a plurality of blades, the plurality of blades are arranged around the rotating shaft rod, the blades have roots connected with the rotating shaft rod, the roots of the blades are inclined with respect to the rotating shaft of the rotating shaft rod, the blades extend from the roots in a radial twisting manner, each blade is rotationally symmetric and annularly and uniformly distributed, the number of the support rods 9 is two, the two support rods 9 are perpendicularly and crossly arranged to form a cross-shaped support frame, the cross-shaped support frame is fixedly arranged in the fixing ring, the bottom surface of the cross-shaped support frame is flush with the bottom surface of the fixing ring, a rotating shaft hole is formed in the cross point of the cross-shaped support frame, the rotating shaft rod of the fan blade 5 and the hollow support frame 1 are coaxially and rotatably arranged on the rotating shaft hole of the support rods 9, so that the falling thrust of nutrient solution entering the hollow support frame 1 can act on blades of the fan blade 5, the fan blade 5 can rotate on the base 3 through the matching of the rotating shaft and the rotating shaft hole under the acting force of the nutrient solution, part of the nutrient solution only contacting the blades can be thrown away under the rotation of the fan blade 5, the nutrient solution is dispersed, the contact area of the nutrient solution and air is increased, the dissolved oxygen amount of the nutrient solution is improved, the diameter of a ring drawn by the tail ends of the blades due to the rotation of, and the fan blades 5 do not touch the inner wall of the hollow bracket 1 when rotating.
When the cultivation bed is used specifically, the base 3 is installed to the bottom of the hollow support 1, then the fan blade 5 is rotatably arranged on a rotating shaft hole of a supporting rod of the base 3, the top cover 2 is covered at the top of the hollow support 1, then the hollow support 1 is attached to the inner wall of a nutrient solution circulating pipeline through the outer wall of a sealing ring, so that the hollow support 1 is fixed in the nutrient solution circulating pipeline between two layers of cultivation beds, then the nutrient solution circulating pipeline circulates nutrient solution, the falling thrust after the nutrient solution enters the hollow support 1 can act on blades of the fan blade 5, as the nutrient solution falls from top to bottom, the flowing square of the nutrient solution is vertical to the blade surface, the fan blade 5 can rotate on the base 3 through the matching of the rotating shaft rod and the rotating shaft hole under the action force of the nutrient solution, the nutrient solution contacting the blades flows along the curved surface of the blades under the rotation of the fan blade 5, finally, the rotating force can be thrown away or cut, so that the nutrient solution is dispersed, the contact area between the nutrient solution and the air is increased, the dissolved oxygen of the nutrient solution is increased, and the nutrient solution flows out of the water outlet 301 and enters the lower-layer cultivation bed.
Example 2:
referring to fig. 1, 4 and 5, the present embodiment of an oxygenation device for increasing the dissolved oxygen of a nutrient solution in a hydroponic system is substantially similar to embodiment 1, and the only difference is that the movable automatic oxygenation device includes a rotating wheel 6, the rotating wheel 6 includes a rotating shaft 601 and a plurality of rotating blades 602, the rotating shaft 601 is perpendicularly abutted against the hollow support 1 and is disposed on the inner wall of the hollow support 1, the hollow support 1 is provided with fixing grooves at two ends of the rotating shaft 601, the tops of the fixing grooves extend to the opening of the hollow support 1 along the height direction of the hollow support 1, the rotating shaft 601 is taken out along the fixing grooves and is taken out together with the rotating blades 602 for cleaning, the length direction of the rotating shaft 601 is perpendicular to the flow direction of the hollow support, the rotating blades 602 include a rotating cylinder and a rectangular plate, the rectangular plates are circumferentially arranged on the cylinder, the rotating cylinder is sleeved on the rotating shaft, the length of each rectangular plate is arranged along the axial direction of the rotating cylinder, the sum of the lengths of the two rectangular plates on the same surface is smaller than the inner diameter of the hollow support 1, one rectangular plate is arranged below the water inlet 4, the other rectangular plate is arranged below the guide plate 10, the rotating cylinder of the rotating blade 602 is provided with a through hole in a penetrating manner at the position of the central point along the length direction of the rotating shaft 601, the rotating cylinder is sleeved on the rotating shaft 601 through the through hole, the diameter of the through hole is slightly larger than that of the rotating shaft 601, so that the rotating blade 602 can rotate around the rotating shaft 601 through the through hole, the falling thrust after the nutrient solution enters the hollow support 1 can act on the rectangular plate of the rotating blade 602, the rotating blade 602 rotates around the rotating shaft under the thrust of the nutrient solution, when the nutrient solution pushes one rectangular plate of the rotating blade 602 to swing downwards around the rotating shaft 601, another rectangular plate swings upward around the rotating shaft 601, then beats the falling nutrient solution, and then swings downward around the rotating shaft 601 by virtue of the thrust of the nutrient solution, another rectangular plate swings upward around the rotating shaft 601 to beat the nutrient solution, thereby circularly dispersing the nutrient solution and increasing the contact area of the nutrient solution and the air, specifically, two ends of the rotating cylinder have a gap with the inner wall of the hollow support 1, and the upper end and the lower end of the rotating blade 602 have a distance corresponding to the upper opening and the lower opening of the hollow support 1, so that the rotating blade 602 cannot scratch the hollow support 1 when rotating.
When the cultivation bed is used specifically, the base 3 is firstly installed at the bottom of the hollow support 1, the rotating blades 602 are sleeved on the rotating shaft 601 through the through holes, the rotating shaft 601 is clamped in the fixing groove, the top cover 2 is covered at the top of the hollow support 1, the hollow support 1 is attached to the inner wall of the nutrient solution flowing pipeline through the outer wall of the sealing ring, so that the hollow support 1 is fixed in the nutrient solution flowing pipeline between the two cultivation beds, the nutrient solution flowing pipeline flows nutrient solution, the falling thrust after the nutrient solution enters the hollow support 1 can act on the rectangular plates of the rotating blades 602, the rotating blades 602 rotate around the rotating shaft 601 under the action of the thrust of the nutrient solution, when one rectangular plate of the rotating blades 602 is pushed to swing downwards around the rotating shaft 601 by the nutrient solution, the other rectangular plate swings upwards around the rotating shaft 601, then patting the falling nutrient solution, swinging downwards around the rotating shaft 601 by virtue of the thrust of the nutrient solution, and then swinging upwards around the rotating shaft 601 to pat the nutrient solution by virtue of another rectangular plate, so that the nutrient solution is circularly dispersed, the contact area of the nutrient solution and air is increased, the dissolved oxygen of the nutrient solution is increased, and then the nutrient solution flows out of the water outlet 301 and enters the lower-layer cultivation bed.
Example 3:
referring to fig. 1, 6 and 7, the structure of the oxygenation device for increasing the dissolved oxygen of the nutrient solution in the hydroponic system in this embodiment is substantially similar to that of embodiment 1, and the only difference is that the fixed automatic oxygenation device includes a grid plate 7, the grid plate 7 is vertically abutted to the hollow support 1 and is disposed on the inner wall of the hollow support 1, the grid plate 7 is provided with a plurality of drainage holes 701 along the vertical direction, the drainage holes 701 are equidistantly distributed along the width and length directions of the grid plate 7, the flow direction of the drainage holes 701 is consistent with the flow direction of the hollow support 1, a gap is formed between adjacent drainage holes 701, the flow rate of the water inlet 4 is greater than that of the drainage holes 701, in other embodiments, a plurality of grid plates 7 can be disposed along the height direction of the hollow support 1, so that the nutrient solution can directly pass through the through holes of the grid plates 7 to form a nutrient solution after falling into the plurality of hollow supports 1, thereby increasing the contact area of the nutrient solution and the air.
In other embodiments, as shown in fig. 8, the fixed automatic aerator includes a plurality of interception plates 11, the interception plates 11 are disposed in the hollow frame at an angle β with the water inlet or with the water inlet, the angle β is 0-65 °, the area of the interception plates 11 is smaller than the area of the water inlet, and the interception plates 11 are alternately arranged in a staggered manner along the length direction of the hollow frame 1.
When specifically using, install base 3 to the bottom of cavity support 1 earlier, under the large-traffic condition of nutrition, inlay net board 7 and establish in cavity support 1, establish the top at cavity support 1 with top cap 2 lid again, then laminate the inner wall at nutrient solution circulation pipeline with the outer wall of cavity support 1 through the sealing washer, thereby make cavity support 1 fix in the nutrient solution circulation pipeline between the two-layer cultivation bed, then nutrient solution circulation nutrient solution, the nutrient solution falls into drainage hole 701 that can directly pass net board 7 behind the cavity support 1 and forms stranded nutrient solution, thereby increase nutrient solution and air area of contact, improve the dissolved oxygen volume of nutrient solution, flow out from delivery port 301 and get into lower floor's cultivation bed again.
Example 4:
referring to fig. 1, 9 and 10, the present embodiment of an oxygenation device for increasing the dissolved oxygen of nutrient solution in a hydroponic system is substantially similar to embodiment 1, and the only difference is that the movable automatic oxygenation device includes a brush layer 8, the brush layer 8 includes a fixed frame 801 and eight brushes 802 rotatably disposed in the fixed frame 801, the eight brushes 802 are equidistantly disposed in the fixed frame 801 along the width direction of the water inlet 4, the axial direction of the rotating shaft of the brushes 802 is parallel to the length direction of the water inlet 4, a gap is formed between the adjacent brushes 802, the outer circumferential wall of the fixed frame 801 and the hollow frame 1 are vertically and tightly abutted against the inner wall of the hollow frame 1, in other embodiments, multiple layers of brush layers 8 are disposed along the height direction of the hollow frame 1, so that the pushing force of nutrient solution falling after entering the hollow frame 1 acts on the brushes 802, thereby pushing the brush 802 to rotate, thereby cutting the nutrient solution by the rotation of the brush 802, thereby increasing the contact area of the nutrient solution and the air. Specifically, dwang and fixed frame parallel rotation set up in fixed frame, circumference evenly is provided with a plurality of brush hair groups on the dwang, the brush hair group comprises a plurality of brush hairs of following the even interval arrangement of dwang axial, has the clearance between the adjacent brush hair, and the nutrient solution falls to separate on the brush hair and flows out the dispersion from the clearance.
When the cultivation bed is used specifically, the base 3 is firstly installed at the bottom of the hollow support 1, then the brush 802 is rotatably installed in the fixing frame 801, then the fixing frame 801 is installed in the hollow support 1, then the top cover 2 is covered at the top of the hollow support 1, then the hollow support 1 is attached to the inner wall of the nutrient solution flowing pipeline through the outer wall of the sealing ring, so that the hollow support 1 is fixed in the nutrient solution flowing pipeline between the two cultivation beds, then the nutrient solution flowing pipeline flows nutrient solution, and the falling thrust after the nutrient solution enters the hollow support 1 can act on the fan blades of the fan blades 5, so that the falling thrust can act on the bristles on the brush 802 after the nutrient solution enters the hollow support 1, and the nutrient solution can be separated by the bristles to flow out and disperse, the force of the nutrient solution acting on the bristles can push the brush 802 to rotate, and the nutrient solution can be cut through the rotation of the brush 802, thereby increasing the contact area of the nutrient solution and the air, improving the dissolved oxygen of the nutrient solution, and then flowing out of the water outlet 301 to enter the lower cultivation bed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrases "comprising … …" or "comprising … …" does not exclude the presence of additional elements in a process, method, article, or terminal that comprises the element. Further, herein, "greater than," "less than," "more than," and the like are understood to exclude the present numbers; the terms "above", "below", "within" and the like are to be understood as including the number.
Although the embodiments have been described, once the basic inventive concept is obtained, other variations and modifications of these embodiments can be made by those skilled in the art, so that the above embodiments are only examples of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes using the contents of the present specification and drawings, or any other related technical fields, which are directly or indirectly applied thereto, are included in the scope of the present invention.
Claims (9)
1. The oxygenation device for improving the dissolved oxygen of nutrient solution in a hydroponic system is characterized by comprising a hollow support, wherein a top cover and a base are arranged on the upper portion and the lower portion of the hollow support, a water inlet is formed in the top cover, the caliber of the water inlet is smaller than that of the hollow support, a water outlet is formed in the base, the water inlet, the hollow support and the water outlet are communicated in sequence, and an automatic oxygenator which utilizes the liquid flowing in the hollow support to increase the contact area of liquid and air for power is embedded in the hollow support.
2. The oxygenation device for increasing the dissolved oxygen of nutrient solution in a hydroponic system as claimed in claim 1, wherein the automatic aerator is a fixed automatic aerator or a movable automatic aerator.
3. The oxygenation device for increasing the dissolved oxygen of nutrient solution in a hydroponic system of claim 2, wherein the fixed automatic oxygenation device comprises a grid plate, the grid plate is horizontally arranged in the hollow bracket, the grid plate is provided with a plurality of drainage holes along the vertical direction, and a gap is formed between adjacent drainage holes.
4. The oxygenation device for increasing the dissolved oxygen of nutrient solution in a hydroponic system of claim 2, wherein the fixed automatic oxygenation device comprises a plurality of interception plates fixed in the hollow support, the interception plates have an area smaller than that of the water inlet, and the interception plates are alternately arranged in a staggered manner along the length direction of the hollow support.
5. The oxygenation device for increasing the dissolved oxygen of nutrient solution in a hydroponic system as claimed in claim 2, wherein the movable automatic oxygenation device comprises a fan blade and a support rod, the fan blade comprises a rotating shaft rod and a plurality of blades, the blades are arranged around the rotating shaft rod, the blades are provided with roots connected with the rotating shaft rod, the roots of the blades are arranged in an inclined mode relative to the rotating shaft of the rotating shaft rod, the blades are twisted and extended radially from the roots, the number of the support rods is at least two, the support rods are arranged in a crossed mode and fixed in the water outlet, rotating shaft holes are formed in the cross points of the support rods, and the diameter of the outer circumference of the fan blade is smaller than the inner diameter of the hollow support.
6. The oxygenation device for increasing the dissolved oxygen of nutrient solution in a hydroponic system according to claim 2, wherein the movable automatic oxygenation device comprises a rotating wheel, the rotating wheel comprises a rotating shaft and rotating blades, the rotating shaft is horizontally arranged, the rotating shaft is perpendicular to the hollow support, two ends of the rotating shaft tightly abut against the inner wall of the hollow support, the rotating blades comprise a rotating cylinder and a rectangular plate, the rectangular plate is circumferentially arranged on the cylinder, and the rotating cylinder is sleeved on the rotating shaft.
7. The oxygenation device for increasing the dissolved oxygen of nutrient solution in a hydroponic system according to claim 2, characterized in that the movable automatic oxygenation device comprises a brush layer, the brush layer comprises a fixed frame and a plurality of brushes rotatably arranged in the fixed frame, the fixed frame is horizontally placed, the outer ring wall and the hollow support are vertically and tightly abutted against the hollow support, and a gap is formed between the adjacent brushes.
8. The oxygenation device for increasing the dissolved oxygen of nutrient solution in a hydroponic system according to claim 7, characterized in that the brush comprises a rotating rod, the rotating rod is parallel to a fixed frame and is rotatably arranged in the fixed frame, a plurality of bristle groups are uniformly arranged on the rotating rod in the circumferential direction, and the bristle groups are composed of a plurality of bristles which are uniformly arranged at intervals along the axial direction of the rotating rod.
9. The oxygenation device for increasing the dissolved oxygen of nutrient solution in a hydroponic system according to claim 1, characterized in that a guide plate is arranged in the water inlet, the plane of the guide plate and the plane of the water inlet form an included angle α, the included angle α is in the range of 0-65 degrees, and the area of the guide plate is smaller than the area of the water inlet.
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| CN202010720605.3A CN111773935B (en) | 2020-07-24 | 2020-07-24 | Oxygenation device for improving dissolved oxygen content of nutrient solution in water planting system |
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| CN202010720605.3A CN111773935B (en) | 2020-07-24 | 2020-07-24 | Oxygenation device for improving dissolved oxygen content of nutrient solution in water planting system |
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| CN111773935B CN111773935B (en) | 2024-07-19 |
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| CN113748973A (en) * | 2021-09-10 | 2021-12-07 | 南京工业大学 | Box hydroponic device of detachable for family horticulture |
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