CN214593404U - Soilless culture system suitable for leaf vegetables - Google Patents

Abstract

The utility model discloses a soilless culture system suitable for leafy vegetables, which comprises a circulating water supplementing device, wherein the circulating water supplementing device comprises a circulating pool and a circulating pool cover body, a purifying cavity and a plurality of filtering cavities are divided in the circulating pool, and a water suction pump is correspondingly arranged in the purifying cavity; the water suction pump is connected with the first flow divider through a first electromagnetic valve; the ports at the two sides of the first shunt valve are connected with a plurality of second shunt valves in series; the first flow divider and the second flow divider are communicated with a cultivation pool, and a plurality of cultivation supporting plates are arranged in the cultivation pool in a floating manner; the circulating tank cover body is communicated with a fertilizer dissolving device through a delivery pump; a plurality of overflow assemblies are distributed on the bottom plate in the cultivation pool, and a backflow system communicated with the overflow assemblies and the circulation pool is arranged below the bottom plate of the cultivation pool. The utility model is reasonable and novel, can automatically realize the supplement of the nutrient solution in the cultivation pool, and the circulating pool circularly purifies and filters the used nutrient solution, thereby realizing the repurification of the nutrient solution; the cultivation pond can realize the cultivation of large batch plants, improves the cultivation efficiency of plant.

Description

Soilless culture system suitable for leaf vegetables

Technical Field

The utility model relates to a plant cultivation technical field, concretely relates to soilless culture system suitable for leafy vegetables.

Background

As a large population country and a large agricultural country in China, the number of daily consumed fruits and vegetables is very large, and how to meet the requirements of people in China on fresh fruits and vegetables becomes the focus of attention of people, particularly the requirements on fruits and vegetables in winter.

Soilless culture is a new plant culture technology in recent years, and nutrient solutions are prepared according to various nutrients required by plant growth and development and are used for plants to absorb and grow. Soilless plant cultivation is less limited, and the technology can be used for cultivating plants in any place as long as air and water exist.

At present, soilless culture is mostly carried out in a greenhouse for residents to eat agricultural products such as fruits and vegetables. Existing greenhouse planting generally adopts a support frame type soilless culture system, the system structure is relatively complex, large bottom space needs to be occupied, more infrastructure materials are consumed, the manufacturing cost is high, and efficient greenhouse planting management is not facilitated.

Therefore, there is a need to provide a soilless cultivation system for leafy vegetables to overcome the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the embodiment of the utility model provides a soilless culture system suitable for leaf class vegetables, the utility model discloses a realize through following technical scheme:

a soilless culture system suitable for leafy vegetables comprises a circulating water supplementing device, a fertilizer dissolving device and a culture pond;

the circulating water supplementing device comprises a circulating pool and a circulating pool cover body matched with the circulating pool, the circulating pool is divided into a purifying cavity and a plurality of filtering cavities by a filter plate, and water suction pumps are correspondingly arranged in the purifying cavities; an electric heating plate is arranged in the side wall of the circulating pool and corresponds to the purifying cavity;

the liquid discharge port of the water suction pump is connected with the first flow divider through a first electromagnetic valve and a connecting pipe; the side ports of two sides of the first shunt valve are connected with a plurality of second shunt valves in series, and two adjacent second shunt valves are communicated through a connecting pipe;

the upper ports of the first flow divider and the second flow divider are communicated with a cultivation pool through a third electromagnetic valve and a connecting end arranged on a connecting pipe, and a plurality of cultivation supporting plates are arranged in the cultivation pool in a floating manner;

a liquid level meter and a water inlet pipe which extend into the filtering cavity are arranged on the circulating tank cover body, and a second electromagnetic valve is connected to the water inlet pipe;

still be provided with the delivery pump on the circulation pond lid, the delivery pump passes through pipeline and chemical fertilizer dissolving device intercommunication.

A plurality of liquid feeding rubber pipes are correspondingly connected to a plate body at one end of the cultivation pool and the connecting end, a plurality of overflow assemblies are distributed on a bottom plate in the cultivation pool, and a backflow system communicated with the overflow assemblies and the circulation pool is arranged below the bottom plate of the cultivation pool.

Furthermore, the overflow assembly comprises an overflow pipe fitting and an overflow cap arranged at the upper end of the overflow pipe fitting, the overflow cap is in a trapezoidal hollow arrangement, and a plurality of overflow grooves are formed in the circumference of the upper side of the overflow cap.

Furthermore, the backflow system comprises a backflow main pipe which is transversely arranged and a plurality of backflow branch pipes which are perpendicular to the backflow main pipe, and a plurality of liquid receiving branch pipes which are connected with overflow pipe fittings are arranged on the backflow branch pipes; and the backflow connector is arranged on the backflow main pipe and communicated with a backflow end head arranged on the circulating tank.

Furthermore, a plurality of liquid outlet holes are arranged on the liquid feeding rubber tube at intervals.

Further, a heat-preservation waterproof layer is arranged on the inner wall of the cultivation pool.

Further, cultivate the layer board including cultivating the plate body, cultivate and seted up a plurality of cultivation position holes on the plate body face, cultivate and correspond the cultivation that is provided with the support plant on the position hole and hold in the palm.

Furthermore, four sides of the cultivation plate body are turned upwards to form flanges, and waist-shaped holes are formed in the flanges on each side.

Further, the chemical fertilizer dissolving device comprises a dissolving barrel and a barrel cover assembly matched with the dissolving barrel, the barrel cover assembly comprises a barrel cover and a stirring shaft rotatably arranged in the dissolving barrel on the barrel cover, a stirring mechanism is sleeved on the stirring shaft, and a stirring motor is arranged at the top end of the stirring shaft; the barrel cover is at least provided with a blanking pipe;

the barrel bottom assembly is fixedly connected with the lower end of the material dissolving barrel and the supporting seat, the barrel bottom assembly comprises a conical lower material bin, a material cleaning pipe is correspondingly arranged at the lower end of the conical lower material bin, and a material discharging port connected with a conveying pipeline is arranged on one side of the conical lower material bin.

Furthermore, the stirring mechanism comprises a stirring shaft sleeve, a plurality of first stirring rods and a plurality of second stirring rods, wherein the first stirring rods and the second stirring rods are arranged at intervals along the horizontal plane of the outer circumference of the stirring shaft sleeve; the included angle of two adjacent first stirring rods or second stirring rods is 45 degrees or 90 degrees; the first stirring rod or the second stirring rod is arranged at intervals in a layered mode along the axial direction of the stirring shaft sleeve; the included angle between the first stirring rod and the second stirring rod which are arranged between adjacent layers is 45 degrees.

Furthermore, the material dissolving barrel comprises a barrel body and a first connecting flange arranged at the upper end and the lower end of the barrel body; the inner side of the lower part of the barrel body is connected with a supporting shaft sleeve through a plurality of supporting ribs arranged in the circumferential direction, and the lower end of the stirring shaft is rotatably arranged on the supporting shaft sleeve; and a second connecting flange corresponding to the first connecting flange is arranged at the top end of the conical blanking bin.

Compared with the prior art the embodiment of the utility model provides an at least include following beneficial effect:

1. the circulating water replenishing device in the soilless culture system can automatically realize the supplement of nutrient solution to the soilless culture system, the culture pond can realize the planting of large batch of leaf vegetables, is particularly suitable for the culture of the leaf vegetables such as lettuce and the like, can continuously provide moisture and nutrition for the growth of plants, saves the labor cost and improves the growth efficiency of the leaf vegetables;

2. the circulating pool of the utility model is divided into a purifying cavity and a plurality of filtering cavities by the filtering plate; the collected rainwater, snow water or tap water is pumped into the circulating water replenishing device, and the rainwater, the snow water or the tap water is purified and filtered through the plurality of filter plates and the multistage filter cavities, so that sundries are prevented from blocking the cultivation pond, the maintenance cost is reduced, and the service life is prolonged;

3. the cultivation pool of the utility model can realize the cultivation of large batch of plants, and is especially suitable for the cultivation of leaf vegetables; the nutrient solution in the cultivation pool can automatically overflow into the circulating pool, and the used nutrient solution is purified and filtered through a plurality of filter plates and multistage filter cavities arranged in the circulating pool, so that the re-purification of the nutrient solution is realized; the uniformity and stability of the components of the nutrient solution are ensured, and the requirements of plant growth are met;

4. the cultivation supporting plate of the utility model can be efficiently and conveniently replaced, the cultivation capacity is greatly increased, and the planting density of the cultivation device can be adjusted to adapt to the growth of different plants by arranging cultivation supports with different diameters;

5. the chemical fertilizer dissolving device has compact structure, the stirring mechanism can dissolve the chemical fertilizer in the dissolving barrel to prepare the aqueous solution under the driving of the stirring motor, thereby being convenient for the conveying of the conveying pump; the stirring mechanism can efficiently dissolve the fertilizer, and improve the preparation efficiency of the fertilizer solution.

Drawings

Fig. 1 is a schematic perspective view of a cultivation system according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of the connection state of the circulating water replenishing device and the fertilizer dissolving device in FIG. 1;

FIG. 3 is a schematic view of the internal structure of the circulating water replenishing device in the uncapped state;

fig. 4 is a structural schematic diagram of an explosive state of the fertilizer dissolving device according to the embodiment of the present invention;

FIG. 5 is a perspective view of the cover assembly of FIG. 4;

FIG. 6 is a schematic perspective view of the material dissolving barrel shown in FIG. 4;

FIG. 7 is a perspective view of the bottom assembly of FIG. 4;

FIG. 8 is an enlarged structural view of the front end structure of the cultivation pond in FIG. 1;

FIG. 9 is a schematic view of the installation structure of the cultivation pond and the cultivation plate in FIG. 1;

FIG. 10 is a bottom view of the structure of the cultivation pond in FIG. 9;

FIG. 11 is a schematic view of the overflow assembly of FIG. 9;

FIG. 12 is a first perspective view of the plate of FIG. 9;

fig. 13 is a second perspective view of the cultivation plate shown in fig. 9.

In the figure:

100. a cultivation system; 1. a circulating water replenishing device; 101. a circulation tank cover body; 102. a circulation tank; 103. a liquid discharge port; 104. a first electromagnetic valve; 105. a liquid level meter; 106. a second electromagnetic valve; 107. a water inlet pipe; 108. a delivery pump; 109. a water pump; 110. purifying the cavity; 111. a filter plate; 112. a waste port; 113. a filtering cavity; 114. a reflux end; 2. a fertilizer dissolving device; 210. a barrel cover assembly; 211. a stirring motor; 212. a discharging pipe; 213. a barrel cover; 214. a stirring mechanism; 215. a first stirring rod; 216. a second stirring rod; 217. a stirring shaft; 218. a stirring shaft sleeve; 220. a material dissolving barrel; 221. a barrel body; 222. a first connecting flange; 223. a support rib; 224. a support sleeve; 230. a tub bottom assembly; 231. a second connecting flange; 232. a conical discharging bin; 233. a material cleaning pipe; 234. a discharge port; 3. a delivery conduit; 4. a supporting seat; 5. a first flow divider valve; 6. a connecting pipe; 7. a second flow divider valve; 8. a third electromagnetic valve; 9. connecting the end heads; 10. a reflux system; 1001. a main reflux pipe; 1002. a return joint; 1003. a return branch pipe; 1004. liquid receiving branch pipes; 11. a cultivation pond; 12. a liquid feeding rubber tube; 13. an overflow assembly; 1301. an overflow pipe; 1302. an overflow cap; 1303. an overflow trough; 14. cultivating a supporting plate; 1401. cultivating a plate body; 1402. cultivating and supporting; 1403. flanging; 1404. a waist-shaped hole; 1405. and (5) cultivating position holes.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

Example (b):

referring to fig. 1 to 13, the utility model discloses a soilless cultivation system suitable for leafy vegetables, the cultivation system 100 comprises a circulating water supplementing device 1, a fertilizer dissolving device 2 and a cultivation pool 11; the circulating water supplementing device 1 comprises a circulating pool 102 and a circulating pool cover body 101 matched with the circulating pool, the circulating pool 102 is internally divided into a purifying cavity 110 and a plurality of filtering cavities 113 by a filtering plate 111, a water suction pump 109 is correspondingly arranged in the purifying cavity 110, and a sewage discharge port 112 is correspondingly arranged on the lower side of the circulating pool and the filtering cavities; an electric heating plate is arranged in the side wall of the circulating pool 102 corresponding to the purifying cavity 110; the collected rainwater, snow water or tap water is pumped into the circulating water replenishing device, and the rainwater, the snow water or the tap water is purified and filtered through the plurality of filter plates and the multistage filter cavities, so that sundries are prevented from blocking the cultivation pond, the maintenance cost is reduced, and the service life is prolonged; the temperature of the nutrient solution in the purification cavity can be raised to meet the growth requirement of plants through the electric heating plate, and the growth efficiency of the plants is improved.

The liquid discharge port 103 of the water pump 109 is connected with a first flow divider valve 5 through a first electromagnetic valve 104 and a connecting pipe 6, and the first flow divider valve is a four-way flow divider valve; the ports at two sides of the first shunt valve 5 are connected with a plurality of second shunt valves 7 in series, two adjacent second shunt valves 7 are communicated through a connecting pipe, and the second shunt valves are three-way shunt valves;

the upper ports of the first flow divider valve 5 and the second flow divider valve 7 are communicated with a cultivation pool 11 through a third electromagnetic valve 8 and a connecting end 9 which are arranged on a connecting pipe, and a plurality of cultivation supporting plates 14 are arranged in the cultivation pool 11 in a floating manner; the cultivation supporting plate can be efficiently and conveniently replaced, the cultivation capacity is greatly increased, and the planting density of the cultivation device can be adjusted to adapt to the growth of different plants by arranging cultivation supports with different diameters;

the circulating tank cover body 101 is provided with a liquid level meter 105 and a water inlet pipe 107 extending into the filtering cavity, and the water inlet pipe 107 is connected with a second electromagnetic valve 106; can regulate and control through solenoid valve two and supply rainwater or snow water or running water in to the moisturizing device, still be provided with delivery pump 108 on the circulation pond lid 101, delivery pump 108 is through pipeline 3 and chemical fertilizer dissolving device 2 intercommunication. The utility model discloses a circulation moisturizing device can realize carrying out the replenishment of nutrient solution to soilless culture system automatically, and the cultivation pond can realize the planting of large batch leaf class vegetables, is particularly useful for if leaf class vegetables such as lettuce are cultivated, and sustainable for vegetation provides moisture nutrition, practices thrift the human cost, improves leaf class vegetables's growth efficiency.

A plurality of liquid feeding rubber pipes 12 are correspondingly connected to a plate body at one end of the cultivation pool 11 and the connecting end 9, a plurality of overflow assemblies 13 are distributed on the bottom plate in the cultivation pool 11, and a backflow system 10 communicated with the overflow assemblies 13 and the circulation pool 102 is arranged below the bottom plate of the cultivation pool 11; the utility model discloses an overflow subassembly, return-flow system cooperation can the efficient adjustment cultivate liquid level in the pond to the circulation that realizes on the cooperation circulation moisturizing device that the interior nutrient solution of cultivation pond purifies flows, provides nutrient composition for leaf class vegetables.

In an embodiment, referring to fig. 11, the overflow assembly 13 includes an overflow pipe 1301 and an overflow cap 1302 disposed at an upper end of the overflow pipe, the overflow cap 1302 is in a trapezoidal hollow configuration, and a plurality of overflow grooves 1303 are disposed on an upper circumference of the overflow cap 1302; the overflow assembly that this kind of set up can guarantee the stability of liquid level in the cultivation pond, and convenient realization cultivation pond nutrient solution's circulation purifies the renewal, and is stable provides the nutrition for the growth of vegetables. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.

In a specific embodiment, referring to fig. 8 and 10, the backflow system 10 includes a backflow main pipe 1001 arranged transversely and a plurality of backflow branch pipes 1003 arranged perpendicular to the backflow main pipe, and the backflow branch pipes 1003 are provided with a plurality of liquid receiving branch pipes 1004 connected to overflow pipes 1301; a backflow connector 1002 is arranged on the backflow main pipe 1001, and the backflow connector 1002 is communicated with a backflow end 114 arranged on the circulation tank. The utility model discloses a return-flow system is used for realizing the circulation in nutrient solution and the circulation pond in the cultivation pond. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.

In a specific embodiment, the liquid feeding hose 12 is provided with a plurality of liquid outlet holes at intervals. The liquid feeding rubber tube can evenly convey the purified new liquid to each position in the cultivation pool, and uneven distribution of the nutrient solution in the cultivation pool is avoided. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.

In a specific embodiment, a heat-insulating waterproof layer is arranged on the inner wall of the cultivation pool 11. The heat preservation waterproof layer can realize the waterproof and heat preservation of cultivation pond. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.

In an embodiment, referring to fig. 12 and 13, the cultivation supporting plate 14 includes a cultivation plate 1401, a plurality of cultivation position holes 1405 are opened on the cultivation plate 1401, and cultivation trays 1402 for supporting plant plants are correspondingly disposed on the cultivation position holes 1405. In the embodiment, the cultivation supporting plate can be made of a foaming material, can float on the nutrient solution in the cultivation pool, can efficiently and conveniently plant plants, and can greatly increase cultivation capacity; in addition, through setting up the cultivation of different diameters and holding in the palm, the planting density of adjustable cultivation layer board is adapted to the growth of different plant plants. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.

In a specific embodiment, four sides of the cultivation plate body 1401 are turned upwards to form flanges 1403, and a waist-shaped hole 1404 is formed in each flange 1403. The arranged cultivation supporting plate can be conveniently placed; in addition, can also be convenient combine the cultivation layer board through the instrument, improve cultivation pond space utilization, improve plant cultivation or reap efficiency. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.

In some optional embodiments, referring to fig. 4 to 7, the fertilizer dissolving device 2 includes a dissolving barrel 220 and a barrel cover assembly 210 disposed on the dissolving barrel in a matching manner, the barrel cover assembly 210 includes a barrel cover 213 and a stirring shaft 217 rotatably disposed on the barrel cover in the dissolving barrel, the stirring shaft 217 is sleeved with a stirring mechanism 214, and a stirring motor 211 is disposed at a top end of the stirring shaft 217; at least one blanking pipe 212 is arranged on the barrel cover 213; the lower end of the material dissolving barrel 220 is fixedly connected with a barrel bottom assembly 230 arranged on the supporting seat 4, the barrel bottom assembly 230 comprises a conical lower storage bin 232, the lower end of the conical lower storage bin 232 is correspondingly provided with a material cleaning pipe 233, and one side of the conical lower storage bin 232 is provided with a material discharging port 234 connected with a conveying pipeline. The stirring mechanism can dissolve the fertilizer in the dissolving barrel to prepare into aqueous solution under the driving of the stirring motor, so that the conveying of the conveying pump is facilitated. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.

In a specific embodiment, the stirring mechanism 214 includes a stirring shaft sleeve 218, a plurality of first stirring rods 215 and a plurality of second stirring rods 216 arranged at intervals along the horizontal plane of the outer circumference of the stirring shaft sleeve; the included angle between every two adjacent first stirring rods 215 or second stirring rods 216 is 45 degrees or 90 degrees; the first stirring rod 215 or the second stirring rod 216 is arranged at intervals in layers along the axial direction of the stirring shaft sleeve; the included angle between the first stirring rod and the second stirring rod which are arranged between adjacent layers is 45 degrees. The stirring mechanism can efficiently dissolve the fertilizer, and improve the preparation efficiency of the fertilizer solution. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.

In one embodiment, the material dissolving barrel 220 includes a barrel body 221 and a first connecting flange 222 arranged at the upper end and the lower end of the barrel body; the inner side of the lower part of the barrel body 221 is connected with a supporting shaft sleeve 224 through a plurality of supporting ribs 223 arranged circumferentially, and the lower end of the stirring shaft 217 is rotatably arranged on the supporting shaft sleeve 224; and the top end of the conical lower storage bin 232 is provided with a second connecting flange 231 corresponding to the first connecting flange. The barrel is fixedly connected with the barrel cover and the conical discharging bin through connecting flanges. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, the embodiments in the present specification are all described in a progressive manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the device and system embodiments, since they are basically similar to the method embodiments, the description is simple, and for the relevant points, referring to the partial description of the method embodiments, it is sufficient that the components indicated as units may or may not be physical units, that is, may be located in one place, or may not be divided into a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. Can be understood and implemented by those skilled in the art without inventive effort.

The above description is only one specific implementation method of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A soilless culture system suitable for leafy vegetables is characterized by comprising a circulating water supplementing device (1), a fertilizer dissolving device (2) and a culture pond (11);

the circulating water supplementing device (1) comprises a circulating pool (102) and a circulating pool cover body (101) matched with the circulating pool, the circulating pool (102) is internally divided into a purifying cavity (110) and a plurality of filtering cavities (113) by a filtering plate (111), and a water suction pump (109) is correspondingly arranged in the purifying cavity (110); an electric heating plate is arranged in the side wall of the circulating pool (102) and corresponds to the purifying cavity (110);

a liquid discharge port (103) of the water suction pump (109) is connected with a first flow divider (5) through a first electromagnetic valve (104) and a connecting pipe (6); two side ports of the first shunt valve (5) are connected with a plurality of second shunt valves (7) in series, and two adjacent second shunt valves (7) are communicated through a connecting pipe;

the upper ports of the first flow divider (5) and the second flow divider (7) are communicated with a cultivation pool (11) through a third electromagnetic valve (8) and a connecting end (9) which are arranged on a connecting pipe, and a plurality of cultivation supporting plates (14) are arranged in the cultivation pool (11) in a floating manner;

a liquid level meter (105) and a water inlet pipe (107) extending into the filtering cavity are arranged on the circulating tank cover body (101), and a second electromagnetic valve (106) is connected to the water inlet pipe (107);

the circulating tank cover body (101) is also provided with a delivery pump (108), and the delivery pump (108) is communicated with the fertilizer dissolving device (2) through a delivery pipeline (3);

a plurality of liquid feeding rubber pipes (12) are correspondingly connected to a connecting end (9) on a plate body at one end of the cultivation pool (11), a plurality of overflow assemblies (13) are distributed on a bottom plate in the cultivation pool (11), and a backflow system (10) communicated with the overflow assemblies (13) and the circulation pool (102) is arranged below the bottom plate of the cultivation pool (11).

2. The soilless culture system for leafy vegetables according to claim 1, wherein the overflow assembly (13) comprises an overflow pipe (1301) and an overflow cap (1302) arranged on the upper end of the overflow pipe, the overflow cap (1302) is in a trapezoidal hollow arrangement, and a plurality of overflow grooves (1303) are arranged on the circumference of the upper side of the overflow cap (1302).

3. The soilless cultivation system for leafy vegetables according to claim 2, wherein the backflow system (10) comprises a backflow main pipe (1001) transversely arranged and a plurality of backflow branch pipes (1003) vertically arranged with the backflow main pipe, the backflow branch pipes (1003) are provided with a plurality of liquid receiving branch pipes (1004) connected with the overflow pipe fitting (1301); the backflow main pipe (1001) is provided with a backflow connector (1002), and the backflow connector (1002) is communicated with a backflow end (114) arranged on the circulation tank.

4. The soilless culture system for leafy vegetables according to claim 1, wherein the liquid feeding hose (12) is provided with a plurality of liquid outlet holes at intervals.

5. The soilless culture system for leafy vegetables according to claim 1, wherein the inner wall of the culture pond (11) is provided with a heat-insulating and waterproof layer.

6. The soilless culture system for leafy vegetables according to claim 1, wherein the cultivation pallet (14) comprises a cultivation plate body (1401), a plurality of cultivation position holes (1405) are opened on the cultivation plate body (1401), cultivation trays (1402) for supporting plant plants are correspondingly arranged on the cultivation position holes (1405).

7. The soilless culture system for leafy vegetables according to claim 6, wherein the cultivation plate body (1401) is turned upwards at four sides to form flanges (1403), and each flange (1403) is provided with a waist-shaped hole (1404).

8. The soilless culture system suitable for leafy vegetables according to claim 1, wherein the fertilizer dissolving device (2) comprises a dissolving barrel (220) and a barrel cover component (210) matched with the dissolving barrel, the barrel cover component (210) comprises a barrel cover (213) and a stirring shaft (217) rotatably arranged in the dissolving barrel on the barrel cover, the stirring shaft (217) is sleeved with a stirring mechanism (214), and a stirring motor (211) is arranged at the top end of the stirring shaft (217); the barrel cover (213) is at least provided with a blanking pipe (212);

the bucket bottom component (230) fixed connection that sets up on solvent bucket (220) lower extreme and supporting seat (4), bucket bottom component (230) are including feed bin (232) under the toper, feed bin (232) lower extreme correspondence is provided with material cleaning pipe (233) under the toper, feed bin (232) one side is provided with row material port (234) of being connected with pipeline under the toper.

9. The soilless cultivation system for leafy vegetables as claimed in claim 8, wherein the stirring mechanism (214) comprises a stirring shaft sleeve (218), a plurality of first stirring rods (215) and a plurality of second stirring rods (216) arranged along the horizontal plane of the outer circumference of the stirring shaft sleeve at intervals; the included angle of the first stirring rod (215) or the second stirring rod (216) of two adjacent stirring rods is 45 degrees or 90 degrees; the first stirring rod (215) or the second stirring rod (216) is arranged at intervals in layers along the axial direction of the stirring shaft sleeve; the included angle between the first stirring rod and the second stirring rod which are arranged between adjacent layers is 45 degrees.

10. The soilless culture system for leafy vegetables according to claim 8, wherein the dissolving tank (220) comprises a tank body (221) and a first connecting flange (222) arranged at the upper and lower ends of the tank body; the inner side of the lower part of the barrel body (221) is connected with a supporting shaft sleeve (224) through a plurality of supporting ribs (223) arranged in the circumferential direction, and the lower end of the stirring shaft (217) is rotatably arranged on the supporting shaft sleeve (224); and a second connecting flange (231) corresponding to the first connecting flange is arranged at the top end of the conical lower storage bin (232).

Images