阅读说明：本技术 一种提高水培系统中营养液溶氧量的加氧装置 (Oxygen adding device for improving dissolved oxygen amount of nutrient solution in water culture system ) 是由 不公告发明人 于 2020-07-24 设计创作，主要内容包括：本发明涉及无土栽培技术领域,特别涉及一种提高水培系统中营养液溶氧量的加氧装置,包括中空支架,所述中空支架上下盖设有顶盖和底座,所述顶盖设有进水口,所述底座上设有一出水口,所述进水口、中空支架和出水口依次连通,所述中空支架内嵌设利用中空支架内液体流动为动力增加液体与空气接触面积的自动增氧器。本发明的加氧装置可以卡在管道的中间,装置内部设有风扇扇叶、转轮、网格板或毛刷层,使营养液流经时被分散开,增加营养液与空气的接触面积,提高营养液中溶氧量的目的。(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.)

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.

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.

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.