CN103125315A - Solar supplying geotherm greenhouse gravity drip irrigation system - Google Patents
Solar supplying geotherm greenhouse gravity drip irrigation system Download PDFInfo
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- CN103125315A CN103125315A CN2011103914379A CN201110391437A CN103125315A CN 103125315 A CN103125315 A CN 103125315A CN 2011103914379 A CN2011103914379 A CN 2011103914379A CN 201110391437 A CN201110391437 A CN 201110391437A CN 103125315 A CN103125315 A CN 103125315A
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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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
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
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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
- Y02P60/14—Measures for saving energy, e.g. in green houses
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Abstract
The invention relates to a solar supplying geotherm greenhouse gravity drip irrigation system. The solar supplying geotherm greenhouse gravity drip irrigation system comprises a greenhouse which is provided with a greenhouse wall. The solar supplying geotherm greenhouse gravity drip irrigation system is characterized by further comprising a solar thermal collector and a buried pipeline, wherein the buried pipeline is connected with a drip irrigation tape. The solar thermal collector is fixed on the top of the greenhouse. A water delivering pipe is installed on the top of the solar thermal collector and a water outlet pipe is installed at the bottom of the solar thermal collector. A water tank and a water inlet pipe are respectively connected with the water delivering pipe. The tail end of the water outlet pipe is connected with the water tank. A frame and a main pipe are respectively installed on the bottom of the water tank. The main pipe is connected with the buried pipe. The drip irrigation tape is directly connected with the buried pipe through a locking nut. The solar supplying geotherm greenhouse gravity drip irrigation system utilizes a solar energy system to heat water in the water tank and the hot water is leaded into underground through the buried pipe. Soil is heated through the heat exchanged of the soil and the buried pipe. Thus, soil temperature is increased and the requirements of crop root systems are met. Energy is saved and the purpose that crop is high in yield is achieved.
Description
Technical field
The present invention relates to a kind of greenhouse soil heating system, relate in particular to solar energy for the greenhouse gravitational drip irrigation system of underground heat.
Background technology
The greenhouse is as a kind of special building as crop genetics and growth, and its energy protective plant is avoided the impact of weather, temperature or mosquito, and crop can be grown rapidly.Simultaneously, applying of greenhouse by solar heat is the important symbol of modern agriculture, broken away from the restriction that traditional farming is subjected to natural climate condition, and output is increased substantially, and guaranteed annual vegetables stable market supply.Most of greenhouse by solar heat of China is distributed in the north latitude 35-degree northern area, late autumn, winter and early spring very cold and ground temperature very low, be difficult to satisfy the requirement of plant growth.Its reason is that plant growth is affected by temperature not only, and with ground temperature, much relations is arranged.Ground temperature not only directly affects the growth of plant root and the formation of root system, also affects the absorption of nutrient and moisture, the existence of edaphon, flower bud differentiation and growth and the output of Vegetable.Low temperature can reduce the Photosynthetic rates of vegetable leaf, also postpones simultaneously fertility, reduces the fruit and vegetable quality, and malformed fruit is increased.Temperature is lower, and the low temperature duration is longer, and the degree that postpones fertility is more remarkable.When running into low temperature and suppressing fertility, should improve ground temperature, especially regional to the torrid zone and cool temperate zone, temperature and the humidity of utilizing the greenhouse to provide have significant effect to the growth of plant.In order to satisfy the requirement of plant growth, greenhouse by solar heat is except relying on daytime solar radiation, and also must manually heat night, as flue heat, hot-blast stove is heated etc.These traditional mode of heatings have consumed a large amount of traditional energies, have strengthened the greenhouse cost, and to environment.Solar energy is a kind of clean energy resource, and amount is large to distribute extensively, is applied to greenhouse temperature increasing, replaces non-renewable fossil fuel to heat, and is one of the most promising energy.Low in order to improve greenhouse plant cultivation in winter production ground temperature, have a strong impact on growth and development of plants, affect the problem of hothouse production yield and quality, adopt solar heating system to improve the method for ground temperature, be that new approach is explored in the utilization of hothouse production clean energy resource.
The gravity drip-irrigation technology is uniquely in the world at present can not lean on power-actuated drip irrigation equipment.It is the principle of utilizing gravity, and the pressure by the water source height produces supplies water by trunk line, branch pipe(tube) and water supply network.Will be the in the world advanced irrigation technique of this system combines with traditional irrigation conditions, can make the peasant have spendable a kind of drip irrigation tech in the tillage condition situation now not changing.Its characteristics are as follows: the working head of (1) ultralow pressure: conventional drip irrigation system, the design work head of irrigator is 10 meters, the operating cost of water system is higher, and in gravitational drip irrigation system when operation, only depend on 50 centimetres of drops just can drive whole system to move, it does not need to rely on the kinetic energy running, need not be equipped with expensive pressure system, just the capillary current can be transported to equably any end of system, user-friendly; (2) compare water saving more with general drip irrigation system: the equal flow of gravity drip-irrigation can be irrigated 10 times to the area of general condition of drip irrigation, has greatly saved fertilizer and water consumption; (3) flow is extremely low: the water dropper flow of gravitational drip irrigation system is 1/10th of normal water dropper flow, and the capillary current can continually be provided, and water use efficiency is high; (4) applicability is strong: gravity drip-irrigation is extremely low to the requirement at water source, can be well water, river, rainwater; Requirement to landform is extremely low, and level land, hills and mountain area can be used, and does not need to ask crop strictly to be planted under water dropper, and the drip irrigation pipe of 1 meter 3 water dropper can guarantee a totally continuous humid zone; (5) adopt pieced connected mode, guarantee that the user according to the Different Crop needs, adjusts spacing at any time; (6) strengthen the absorption of root vigor and mineral matter, the optimal proportion of air, water and soil is provided; (7) reduce chamber humidity: adopt technique in the greenhouse, can improve ground temperature, can make the crop ripen in advance, improve the yield and quality of crop; Simultaneously, can effectively reduce the incidence of disease of crop, reduce utilization of pesticides, improve the average quality of crop, make crop reach green grade.Use gravitational drip irrigation system can increase crop yield (generally can increase production more than 30%), labor savings and minimizing labour intensity, and can save liquid manure 60%～90%; (8) scope of application is wide, adapts to existing various irrigation methods, can be connected with robot control system(RCS) and pressure system.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of energy savings, reaches the greenhouse gravitational drip irrigation system that the solar energy that makes the high crop yield purpose supplies underground heat.
For addressing the above problem, solar energy of the present invention comprises for the greenhouse gravitational drip irrigation system of underground heat the greenhouse that is provided with greenhouse wall body, and it is characterized in that: it also comprises solar thermal collector, the buried pipe that is connected with the irrigate band; Described solar thermal collector is fixed on the top in described greenhouse, and its top is provided with described water-supply-pipe, and its underpart is provided with outlet pipe; Described water-supply-pipe is connected with respectively water tank and water inlet pipe; Described outlet pipe end is connected with water tank, and the bottom of this water tank is respectively equipped with support and supervisor; Described supervisor is connected with described buried pipe; Described irrigate band directly is connected with described buried pipe by locknut.
Described supervisor is provided with filter.
Described supervisor between described filter and described water tank is provided with ball valve.
Described supervisor between described filter and described buried pipe is provided with flowmeter.
Described buried pipe is the multilayer circulation pipeline.
The present invention compared with prior art has the following advantages:
1, the present invention utilizes the water in the solar energy system heating water tank, then introduce hot water underground by underground buried tube, heating soil, heat exchange by underground piping and soil, give soil with heat, thereby reach the increase soil temperature, satisfy crop root to the requirement of ground temperature, energy savings reaches the purpose that makes high crop yield.According to
Q＝mc(T
i-T
0)
In formula: Q is the total amount of heat that stores in water tank, and unit is KJ; M is the quality of water, and unit is kg; C is specific heat of water, KJ (kg ℃); T
iTemperature when stopping for storage heat in water tank, unit is ℃; T
0Be the initial temperature of the water storage of water tank, unit is ℃.
Specific heat of water is 4.2KJ (kg ℃), the specific heat of dried earth is 0.84KJ (kg ℃), specific heat of water is 5 times of dried earth specific heat, because heat is to pass to cryogenic substance by the high temperature material, when water temperature during higher than soil temperature, can pass to the more heat of soil, reach the effect that effectively improves crop topsoil temperature, thereby reach the purpose that improves ground temperature.
2, the water tank in the present invention can be determined its capacity according to the chamber crop water requirement, adopts this kind mode to greatly reduce the cost of originally building the pond, and easy care and do corresponding service work.
3, the present invention can be as required in the underground multilayer that arranges.In the situation that the multi-layer underground pipeline, in summer and autumn, in sun-drenched situation, water flowing utilizes deep subsoil distribute heat characteristics slowly to the deep layer underground piping, and the water that makes of long period rests in pipeline, can reach seasonal accumulation of heat, for winter and spring store heat.Heat conduction by pipeline and soil provides ground temperature, satisfies crop root to the requirement of ground temperature, makes the crop ripen in advance, has improved the yield and quality of crop.
Description of drawings
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is structural representation of the present invention.
In figure: the 1-solar thermal collector 2-outlet pipe 3-water tank 4-ball valve 5-filter 6-flowmeter direct 8-of 7-locknut irrigate band 9-buried pipe 10-supervisor 11-support 12-greenhouse wall body 13-water inlet pipe 14-water-supply-pipe.
Embodiment
As shown in Figure 1, solar energy comprises for the greenhouse gravitational drip irrigation system of underground heat the greenhouse, solar thermal collector 1 and the buried pipe 9 that is connected with irrigate band 8 that are provided with greenhouse wall body 12.
Solar thermal collector 1 is fixed on the top in greenhouse, and its top is provided with water-supply-pipe 14, and its underpart is provided with outlet pipe 2; Water-supply-pipe 14 is connected with respectively water tank 3 and water inlet pipe 13; Outlet pipe 2 ends are connected with water tank 3, and the bottom of this water tank 3 is respectively equipped with support 11 and supervisor 10; Supervisor 10 is connected with buried pipe 9; Irrigate band 8 is connected with buried pipe 9 by locknut direct 7.
Wherein: supervisor 10 is provided with filter 5.
Buried pipe 8 is the multilayer circulation pipeline.
During use, according to the required proportioning water yield, at first open the ball valve 4 on water tank 3, make water pass through water inlet pipe 13 and inject the interior approximately cold water of 70% amount of water tank 3, close ball valve 4, make water enter solar thermal collector 1; Recorded stream scale 6 readings; Water enters in water tank 3 by outlet pipe 2 after solar thermal collector 1 heating, when water tank 3 interior water temperature over-high, opens the ball valve 4 on water tank 3, carries out the adjusting of water tank 3 interior water temperatures; When reaching required water temperature after mixing, open ball valve 4 and irrigate; The reading of observed volume table 6 when reaching crop institute water requirement, is closed ball valve 4 and is stopped irrigating.
Claims (5)
1. solar energy for the greenhouse gravitational drip irrigation system of underground heat, comprises the greenhouse that is provided with greenhouse wall body (12), and it is characterized in that: it also comprises solar thermal collector (1), the buried pipe (9) that is connected with irrigate band (8); Described solar thermal collector (1) is fixed on the top in described greenhouse, and its top is provided with described water-supply-pipe (14), and its underpart is provided with outlet pipe (2); Described water-supply-pipe (14) is connected with respectively water tank (3) and water inlet pipe (13); Described outlet pipe (2) end is connected with water tank (3), and the bottom of this water tank (3) is respectively equipped with support (11) and supervisor (10); Described supervisor (10) is connected with described buried pipe (9); Described irrigate band (8) is connected with described buried pipe (9) by locknut direct (7).
2. solar energy as claimed in claim 1 is for the greenhouse gravitational drip irrigation system of underground heat, and it is characterized in that: described supervisor (10) is provided with filter (5).
3. solar energy as claimed in claim 1 is for the greenhouse gravitational drip irrigation system of underground heat, and it is characterized in that: the described supervisor (10) between described filter (5) and described water tank (3) is provided with ball valve (4).
4. solar energy as claimed in claim 1 is for the greenhouse gravitational drip irrigation system of underground heat, and it is characterized in that: the described supervisor (10) between described filter (5) and described buried pipe (9) is provided with flowmeter (6).
5. solar energy as claimed in claim 1 is for the greenhouse gravitational drip irrigation system of underground heat, and it is characterized in that: described buried pipe (8) is the multilayer circulation pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110391437.9A CN103125315B (en) | 2011-11-30 | 2011-11-30 | Solar energy is for the greenhouse gravitational drip irrigation system of underground heat |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110391437.9A CN103125315B (en) | 2011-11-30 | 2011-11-30 | Solar energy is for the greenhouse gravitational drip irrigation system of underground heat |
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| CN103125315A true CN103125315A (en) | 2013-06-05 |
| CN103125315B CN103125315B (en) | 2015-08-12 |
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| CN201110391437.9A Active CN103125315B (en) | 2011-11-30 | 2011-11-30 | Solar energy is for the greenhouse gravitational drip irrigation system of underground heat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115581159A (en) * | 2022-09-30 | 2023-01-10 | 常州大学 | Be suitable for multi-functional coordinated control humiture in agricultural industry garden and intelligent ice and snow removal combined system |
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| CN115581159A (en) * | 2022-09-30 | 2023-01-10 | 常州大学 | Be suitable for multi-functional coordinated control humiture in agricultural industry garden and intelligent ice and snow removal combined system |
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| CN103125315B (en) | 2015-08-12 |
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