CN212436798U

CN212436798U - Cultivation device with nutrient solution closed running and cyclic utilization

Info

Publication number: CN212436798U
Application number: CN202020946575.3U
Authority: CN
Inventors: 郭芳; 王铁臣; 徐进; 赵鹤; 李云飞; 侯爽
Original assignee: BEIJING AGRICULTURE TECHNOLOGY PROMOTION STATION
Current assignee: BEIJING AGRICULTURE TECHNOLOGY PROMOTION STATION
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-02-02
Anticipated expiration: 2030-05-29

Abstract

The utility model provides a nutrient solution closed operation cyclic utilization's cultivation device, it is including cultivation cell body, drip irrigation zone, seedling, return liquid collecting tank, ultraviolet disinfection lamp, main water source, proportion fertilization pump, mother's liquid bucket and working solution bucket. During irrigation, nutrient solution in the working solution barrel is conveyed to plants through a drip irrigation tape, redundant nutrient solution is collected into the liquid return collecting barrel through a backflow pipeline, and when the liquid level of the liquid return collecting barrel reaches a certain height, the nutrient solution is automatically pumped into the working solution barrel through the ultraviolet disinfection lamp by the water pump and is mixed with irrigation solution, so that the cyclic utilization of the nutrient solution is realized; meanwhile, the working liquid barrel has an automatic liquid supplementing function so as to guarantee enough liquid amount when irrigation is carried out at every time, and timing and quantitative irrigation is achieved through time sequence setting. The device is simple and easy practical, reduces intensity of labour, has improved labor efficiency, has realized the zero release of liquid that returns among the soilless culture simultaneously, has improved water utilization ratio, has avoided water waste and the problem that high salinity returns liquid and pollutes soil, groundwater.

Description

Cultivation device with nutrient solution closed running and cyclic utilization

Technical Field

The utility model relates to a vegetables soilless culture technical field especially relates to a nutrient solution seals operation cyclic utilization's cultivation device.

Background

With the progress of the technological level, the soilless culture technology is rapidly popularized in China, and the industrial culture facilities and the technology of the multi-span glass greenhouse are introduced in a complete set by developed countries of facilities such as the Netherlands and the like, so that the technology is mature.

In recent years, the industrialized soilless culture technology is gradually introduced into simple facilities such as a sunlight greenhouse, a plastic greenhouse and the like, which also accords with the national situation of agricultural production in China, wherein the substrate culture is a mode of largest popularization area in the soilless culture, the root system of a crop is fixed in an organic or inorganic substrate through culture, and water and nutrient required by the growth of the plant are supplied by utilizing a drip irrigation or trickle irrigation mode.

At present, matrix cultivation modes in a sunlight greenhouse and a plastic greenhouse mainly comprise support rock wool cultivation, a simple folding cultivation tank, a semi-underground cultivation tank, bag cultivation and the like, most of the modes are characterized in that liquid return open type backflow causes high humidity in facilities and easily causes plant diseases and insect pests, backflow liquid is directly discharged into the environment, the utilization rate is low, water and fertilizer resources are wasted, and the environment is polluted.

Therefore, it is very necessary to provide a cultivation device which is simple and practical and can realize the closed operation and cyclic utilization of the nutrient solution in the soilless cultivation.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at disclosing a nutrient solution seals operation cyclic utilization's cultivation device, during the irrigation, the nutrient solution passes through the water pump extraction by the above-ground working solution bucket, and supply moisture and nutrient for the plant root via the drip irrigation zone, liquid collecting tank is returned in collection of unnecessary nutrient solution via the backflow pipeline of cultivation device, when the liquid level of returning liquid collecting tank reachs a take the altitude, through the water pump via the automatic working solution bucket that takes out of ultraviolet disinfection lamp and irrigation liquid mixture, thereby realize the cyclic utilization of nutrient solution. Meanwhile, the working liquid barrel has an automatic liquid supplementing function so as to guarantee enough liquid amount when irrigation is carried out at every time, and timing and quantitative irrigation is achieved through time sequence setting.

The utility model adopts the technical proposal that:

a cultivation device with nutrient solution closed running and cyclic utilization comprises a cultivation groove body, a mother solution barrel and a return solution collecting barrel, wherein the cultivation groove body is divided into an upper space and a lower space through a water seepage partition plate, the upper space is used for filling and containing a cultivation matrix, and the lower space is used for return seepage and collection of irrigation solution; the mother liquid barrel is provided with a proportional fertilizing pump, a main water source is connected with the end A of the mother liquid barrel, the end B of the mother liquid barrel is connected with the end C of the working liquid barrel, the end D of the working liquid barrel is connected with the first end of the cultivation tank body, the second end of the cultivation tank body is connected with the end E of the return liquid collecting barrel, and the end F of the return liquid collecting barrel is connected with the end G of the working liquid barrel through an ultraviolet disinfection lamp; the bung hole of returning liquid collecting barrel is less than back liquid return line, returns liquid collecting barrel and is equipped with first controller, first water level controller and liquid water pump back, and when the water level reachd the settlement position in returning liquid collecting barrel, first water level controller transmits water level signal to first controller, and first controller control returns liquid water pump and starts, and irrigation liquid arranges to the working solution bucket after the disinfection of ultraviolet disinfection lamp, realizes the cyclic utilization of nutrient solution.

Preferably, a second controller, a second water level controller, an irrigation water pump, an irrigation electromagnetic valve and a liquid supplementing electromagnetic valve are arranged in the working liquid barrel, and the irrigation water pump is connected with the irrigation electromagnetic valve in series.

Preferably, the irrigation water pump, the irrigation electromagnetic valve and the second controller are arranged in a linkage mode, and the second water level controller and the liquid supplementing electromagnetic valve are arranged in a linkage mode, so that automatic liquid supplementing of the working liquid barrel is achieved.

Preferably, the main water source supplies irrigation liquid to the working liquid barrel through 3 fertilizer proportioning pumps connected in parallel or in series according to a set fertilizer-water ratio.

Furthermore, the water seepage partition plate is provided with an insect-proof net, and the insect-proof net is provided with holes of 20-30 meshes.

Compared with the prior art, the utility model have following advantage:

(1) the cultivation device for closed operation and cyclic utilization of nutrient solution has high practicability, can reduce the labor intensity of vegetable production and improve the labor efficiency;

(2) the device has realized the zero release of liquid that returns among the soilless culture, has both improved the moisture utilization ratio, has avoided the water waste, has solved the problem that high salinity liquid that returns pollutes soil, groundwater again, has protected the ecological environment.

Drawings

FIG. 1 is a schematic view of the whole structure of the cultivation device for closed operation and cyclic utilization of nutrient solution of the present invention;

FIG. 2 is a schematic view of the structure of the cultivation trough of the present invention;

FIG. 3 is a schematic structural view of the mother liquid tank of the present invention;

FIG. 4 is a schematic structural view of the working fluid barrel of the present invention; and

fig. 5 is a schematic structural view of the liquid return collecting tank of the utility model.

Reference numerals:

1. cultivating a trough body; 2. a drip irrigation tape; 3. seedling; 4. a liquid return and collection barrel; 5. an ultraviolet disinfection lamp; 6. a primary water source; 7. a proportional fertilization pump; 8. a mother liquor barrel; 9. a working fluid barrel;

41. a first controller; 42. a first water level controller; 43. a liquid return water pump; 91. a second controller; 92. a second water level controller; 93. an irrigation water pump; 94. an irrigation solenoid valve; 95. a liquid supplementing electromagnetic valve;

101. a water seepage partition plate; 102. an upper space; 103. a lower space.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs. For the reader's understanding, the device is described in terms of its orientation in fig. 1.

As shown in fig. 1-5, the utility model discloses an overall system includes cultivation cell body 1, drip irrigation zone 2, seedling 3, return liquid collecting tank 4, ultraviolet disinfection lamp 5, main water source 6, proportion fertilization pump 7, female liquid bucket 8 and working solution bucket 9, seedling 3 plants in cultivation cell body 1, be provided with drip irrigation zone 2 on cultivation cell body 1, main water source 6 keeps normally open state and links to each other with female liquid bucket 8's A end, female liquid bucket 8's B end links to each other with working solution bucket 9's C end, working solution bucket 9's D end links to each other with cultivation cell body 1's first end, cultivation cell body 1's second end links to each other with the E end that returns liquid collecting tank 4, the F end that returns liquid collecting tank 4 links to each other via ultraviolet disinfection lamp 5 and working solution bucket 9's G end, the arrow point direction is the rivers direction promptly.

As shown in figure 2, the cultivation tank body 1 has various forms and has the function of liquid return and closed backflow. Cultivation cell body 1 is divided into upper space 102 and lower part space 103 through infiltration baffle 101, and upper space 102 is used for filling and holds culture medium, and lower part space 103 is used for unnecessary irrigation solution to return the infiltration, collect, and the residual liquid that returns the infiltration flows back liquid collecting tank 4 through the backflow pipeline. When the cultivation tank body 1 is filled with a cultivation medium, a layer of insect-proof net is laid on the water seepage partition plate 101 to prevent the cultivation medium from leaking and keep return liquid clean, and the insect-proof net is provided with 20-30 meshes.

As shown in figure 3, the proportional fertilization pumps 7 and the mother liquid barrel 8 are connected into a group, the proportional fertilization pumps 7 convey the mother liquid in the corresponding mother liquid barrel 8 into the working liquid barrel 9, a plurality of the proportional fertilization pumps 8 can be connected in parallel or in series, the group number of the proportional fertilization pumps 7 is selected according to the formula requirement of the used nutrient solution, the mother liquid barrel 8 can select the volume specification of 200 plus 500L according to the cultivation scale, and the color is black or blue.

As shown in fig. 4, a second controller 91, a second water level controller 92, an irrigation water pump 93, an irrigation electromagnetic valve 94 and a liquid supplementing electromagnetic valve 95 are arranged in the working liquid barrel 9, and the irrigation water pump 93 is connected in series with the irrigation electromagnetic valve 94. The irrigation water pump 93 and the irrigation electromagnetic valve 94 are linked with the second controller 91, and the second water level controller 92 is linked with the liquid supplementing electromagnetic valve 95, so that automatic liquid supplementing of the working liquid barrel 9 is realized. When the irrigation liquid in the working liquid barrel 9 is insufficient, the second water level controller 92 is opened, and the linkage liquid supplementing electromagnetic valve 95 is opened at the same time, the main water source 6 supplements the irrigation liquid to the working liquid barrel 9 according to the set fertilizer-water proportion through the 3 parallel proportional fertilizing pumps 7, and when the water level in the working liquid barrel 9 reaches the protection height, the liquid supplementing is automatically stopped. The color of the barrel body of the working liquid barrel 9 is preferably blue or black, the proper working liquid barrel specification is selected according to the cultivation scale, a subarea rotation irrigation mode is adopted, and the 800L working liquid barrel 9 can meet the production water of 5000 plants.

As shown in fig. 5, the liquid return collecting tank 4 should be placed underground, the tank mouth is lower than the liquid return backflow pipeline, a first controller 41, a first water level controller 42 and a liquid return water pump 43 are arranged in the liquid return collecting tank 4, when the water level in the liquid return collecting tank 4 reaches a set position, the first water level controller 42 transmits a signal to the first controller 41, the first controller 41 controls the liquid return water pump 43 to start, the irrigation liquid is disinfected by the ultraviolet disinfection lamp 5 and then discharged to the working liquid tank 9, so that the nutrient solution is recycled, the specification of the liquid return collecting tank 4 is reasonably selected according to the actual cultivation scale, the irrigation mode of partitioned rotation irrigation is generally adopted, and the volume of 800L can supply 5000 cultivation scales.

According to field test data show, use the utility model discloses carry out cucumber production, average mu water consumption 97.2 cubic meters, folk prescription aquatic products produce cucumber 34.3 kilograms, and other mode average mu water yield 310.5 cubic meters, water conservation 68.7%, ecological benefits are showing.

The above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A cultivation device with closed operation and cyclic utilization of nutrient solution comprises a cultivation tank body, a mother solution barrel and a return solution collecting barrel, and is characterized in that,

the cultivation tank body is divided into an upper space and a lower space through a water seepage partition plate, the upper space is used for filling and containing a cultivation substrate, and the lower space is used for back seepage and collection of irrigation liquid;

the mother liquid barrel is provided with a proportional fertilizing pump, a main water source is connected with the end A of the mother liquid barrel, the end B of the mother liquid barrel is connected with the end C of the working liquid barrel, the end D of the working liquid barrel is connected with the first end of the cultivation tank body, the second end of the cultivation tank body is connected with the end E of the return liquid collecting barrel, and the end F of the return liquid collecting barrel is connected with the end G of the working liquid barrel through an ultraviolet disinfection lamp;

the bung hole of returning liquid collecting barrel is less than back liquid return line, returns liquid collecting barrel and is equipped with first controller, first water level controller and liquid water pump back, and when the water level reachd the settlement position in returning liquid collecting barrel, first water level controller transmits water level signal to first controller, and first controller control returns liquid water pump and starts, and irrigation liquid arranges to the working solution bucket after the disinfection of ultraviolet disinfection lamp, realizes the cyclic utilization of nutrient solution.

2. The cultivation device for the closed operation and the cyclic utilization of the nutrient solution as claimed in claim 1, wherein a second controller, a second water level controller, an irrigation water pump, an irrigation electromagnetic valve and a liquid supplementing electromagnetic valve are arranged in the working solution barrel, and the irrigation water pump is connected with the irrigation electromagnetic valve in series.

3. The cultivation device for the closed operation and the cyclic utilization of the nutrient solution as claimed in claim 2, wherein the irrigation water pump, the irrigation electromagnetic valve and the second controller are arranged in a linkage manner, and the second water level controller and the liquid supplementing electromagnetic valve are arranged in a linkage manner, so that the automatic liquid supplementing of the working liquid barrel is realized.

4. The cultivation device with the closed-operation and cyclic utilization of the nutrient solution as claimed in claim 3, wherein the main water source supplies irrigation solution to the working solution barrel through 3 proportional fertilization pumps connected in parallel or in series according to a set fertilizer-water ratio.

5. The cultivation device with the nutrient solution closed for operation and cyclic utilization as claimed in claim 2, wherein the water seepage partition plate is provided with an insect-proof net, and the insect-proof net is provided with 20-30 mesh holes.