CN203327636U - Green house air circulation device capable of preventing water and soil pollution - Google Patents
Green house air circulation device capable of preventing water and soil pollution Download PDFInfo
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- CN203327636U CN203327636U CN2013203431077U CN201320343107U CN203327636U CN 203327636 U CN203327636 U CN 203327636U CN 2013203431077 U CN2013203431077 U CN 2013203431077U CN 201320343107 U CN201320343107 U CN 201320343107U CN 203327636 U CN203327636 U CN 203327636U
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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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Abstract
The utility model discloses a green house air circulation device capable of preventing water and soil pollution. The green house air circulation device comprises a green house, an air dividing pipe is paved under the planting ground in the green house, a plurality of underground condensing pipes are evenly connected to the air dividing pipe at a certain space distance, an air collecting pipe is arranged close to the top position in the green house, a plurality of air inlets are formed in the air collecting pipe, and the air collecting pipe is communicated with the air dividing pipe through a vertical pipeline. Compared with the prior art in which soil fumigating relies on pesticides, deep layer pollution cannot be controlled, temperature and moisture of the green house are adjusted only by ventilation, and sterilization relies on pesticides, the green house air circulation device has the advantages of being low in cost, good in effect and environmentally friendly.
Description
Technical field
The present invention relates to a kind of air circulation device; relate to specifically and a kind ofly prevent and stop the greenhouse air EGR that deep soil pollutes, reduces air humidity in greenhouse, controls germ reproduction in greenhouse, minimizing agricultural chemicals and irrigation water, belong to industrialized agriculture field and environment protection equipment field.
Background technology
Having the problem of the following aspects in industrialized agriculture is produced, is to need to solve in following facility development:
One, high investment high production in greenhouse, remaining fertilizer and agricultural chemicals are more, and these residual most of can slowly decomposition, small part can, with water slowly to subsurface wastewater infiltration system, form the agricultural pollution to underground water and deep soil.
Need wet down when two, in greenhouse, humidity is excessive, but the illumination deficiency on daytime in winter often is difficult to ventilation dewetting, so, caused the interior disease of winter greenhouse more, medication is more, especially the Huanghe valley and northern area thereof.This is difficult to carry out pollution-free food production, is also unallowed in organic foodstuff production.
Three, in the greenhouse soil of plantation, a lot of damage by disease and insect is arranged year after year, even carry out vexed canopy processing in the megathermal period of seven Augusts, soil temperature below 10cm is still lower than 40 ℃, be difficult to process the pest of deep subsoil, so the most effective existing way is that soil-fumigating is processed, and can process the soil layer of about 20 centimetres, but cost is too high like this, also not environmental protection.
Four, plant wants transpiration to fall a large amount of moisture every day, and the luxuriant plant of 0.07 hectare can transpiration fall water more than one ton in one day, and the great majority of these water supplement so need to water a large amount of water in can when ventilating, being lost to atmosphere, lower to water resource utilization efficiency.
Overcome the above problems, usually need plurality of devices and technology to implement respectively, effect is still barely satisfactory.
Summary of the invention
The problem to be solved in the present invention is to provide and a kind ofly prevents and stop the greenhouse air EGR that deep soil pollutes, reduces air humidity in greenhouse, controls germ reproduction in greenhouse, minimizing agricultural chemicals and irrigation water.Pollute, reduce three aspects such as leaves of plants section and root medication from water resource utilization, control deep layer water and soil and realized environment protecting.
In order to address the above problem, the present invention by the following technical solutions:
A kind of water and soil pollution greenhouse air EGR that prevents, comprise greenhouse, and the plantation below ground in described greenhouse is equipped with gas-distributing pipe, keeps at a certain distance away on gas-distributing pipe and evenly is connected with some underground condenser pipes; Be provided with discharge near the position at top in described greenhouse, described discharge is provided with several air admission holes, between described discharge and gas-distributing pipe, by vertical pipe, is communicated with.
Below further improvement of these options of the present invention:
A wherein end of underground condenser pipe is communicated with gas-distributing pipe, the other end has exhaust outlet, and the bottom surface of underground condenser pipe is provided with several leaking holes.
Further improve: in described vertical pipe, blower fan is installed.
Further improve: the end that underground condenser pipe has exhaust outlet is bent upwards and leans out plantation ground in the edge, greenhouse.
Further improve: several leaking holes are evenly distributed.
Further improve: described underground condenser pipe is embedded in plantation 30-50 centimetre of depths of below ground.
Further improve: the air admission hole diameter of discharge is 2-10cm, from the position away from vertical pipe to the position near vertical pipe, diminishes gradually.
Further improve: described greenhouse is provided with the automatic controller be electrically connected to blower fan.
The present invention is when using condensed water to prevent that deep layer water and soil from polluting, also reduced irrigation water, reduced air humidity, make leaf diseases be difficult for occurring, can also be at high temperature season to the effective sterilizing of soil, a construction investment, reuse for many years, need not human intervention, very easy to use.With existing soil-fumigating by agricultural chemicals, deep layer pollute uncontrollable, regulate the greenhouse temp. and humidity and only depend on ventilation, sterilizing to compare by agricultural chemicals, have that cost is low, effective, the characteristics of environmental protection.
Below in conjunction with drawings and Examples, the invention will be further described.
The accompanying drawing explanation
The structural representation that accompanying drawing 1 is the embodiment of the present invention.
In figure: the 1-gas-distributing pipe; The 2-discharge; The 3-vertical pipe; The 4-blower fan; The 5-automatic controller; 6 leaking holes; The underground condenser pipe of 7-; The 8-exhaust outlet; The 9-air admission hole.
Embodiment
Embodiment, as shown in Figure 1, a kind of greenhouse multi-functional air EGR, comprise greenhouse, plantation below ground 40cm in described greenhouse is equipped with at least one gas-distributing pipe made from PVC 1 deeply, the diameter of gas-distributing pipe 1 is that 20cm, length are 20m, keep at a certain distance away on gas-distributing pipe 1 and evenly be connected with the underground condenser pipe 7 of some diameter 1-5mm, a wherein end of described underground condenser pipe 7 is communicated with gas-distributing pipe 1, the other end has exhaust outlet 8, and the end that underground condenser pipe 7 has exhaust outlet 8 is bent upwards and leans out plantation ground in the edge, greenhouse;
Position near top in described greenhouse is provided with the discharge 2 made from PVC along east-west direction, the diameter of discharge 2 is that 20cm, length are 50m, described discharge 2 is provided with several air admission holes 9, and the vertical pipe 3 of making by the PVC material between described discharge 2 and gas-distributing pipe 1 is communicated with.The diameter of vertical pipe 3 is 20cm.
The air admission hole diameter of discharge 2 is 2-10cm, from the position away from vertical pipe 3 to the position near vertical pipe 3, diminishes gradually.
In described vertical pipe 3, blower fan 4 is installed; Air quantity is per hour 500 cubic metres; Blower fan by automatic measuring and controlling system according to temperature conditions controlling run in greenhouse.
The vegetation period, indoor temperature brings into operation higher than 32 ℃, lower than 28 ℃, stops; During the vexed canopy of high temperature, indoor temperature brings into operation higher than 60 ℃, lower than 50 ℃, stops.
According to the greenhouse size, can be equipped with a set of or a few cover of contrive equipment.
During the contrive equipment operation, the condensed water seepage is discharged into the aspect of the following 40cm in earth's surface, every mu every day 250-500kg, the soil that the thickness that can drench is 1-2mm, can remain the wettable layer of 5cm left and right under its accumulation, the infiltration that can make progress conversely of portion of water wherein, while especially coordinating pipeline irrigation, its osmosis that makes progress is more obvious.Thereby stop that irrigation water permeates with pollutant downwards, the protection deep soil.Simultaneously, moisture has been carried out partly recycling, also reduced air humidity, controlled the generation of plant leaf diseases.Pollute, reduce three aspects such as leaves of plants section and root medication from water resource utilization, control deep layer water and soil and realized environment protecting.
At high temperature season, greenhouse by solar heat has bimestrial lay-up period usually, the vexed canopy of the high temperature that generally takes this opportunity, and the canopy temperature can surpass 70 ℃, but deep ground temperature is difficult to raising, sterilizing deinsectization weak effect.At this moment apply apparatus of the present invention, can increase substantially the temperature of soil in the 10-60cm depth bounds, make it to approach air themperature in greenhouse, reach more than 55 ℃, this is fatal concerning nematode and multiple germ, can greatly improve vexed canopy effect.
According to us, in experiment station, national bulk vegetable industrial technology system Shouguang (CARS-25), test, air in greenhouse is saturated basically, after damp-heat air enters soil, meeting decline 8-15 ℃, moisture wherein can condense away 25-55%, these condensate moisture recycle in soil, can reduce irrigation volume, water saving; In greenhouse, disease obviously reduces, and medication significantly reduces more than 70%; The pipe laying layer forms comparatively clean soil layer up and down, and moisture is diffusion upwards, has effectively stoped pollutant to permeate downwards; During the vexed canopy of high temperature, 20cm ground temperature reaches more than 55 ℃.
Claims (9)
1. one kind prevents that water and soil from polluting the greenhouse air EGR, comprise greenhouse, it is characterized in that: the plantation below ground in described greenhouse is equipped with gas-distributing pipe (1), keep at a certain distance away on gas-distributing pipe (1) and evenly be connected with some underground condenser pipes (7), the bottom surface of underground condenser pipe (7) is provided with several leaking holes (6).
2. according to claim 1ly a kind ofly prevent that water and soil from polluting the greenhouse air EGR, it is characterized in that: a wherein end of underground condenser pipe (7) is communicated with gas-distributing pipe (1), the other end has exhaust outlet (8).
3. according to claim 1 and 2ly a kind ofly prevent that water and soil from polluting the greenhouse air EGR, it is characterized in that: several leaking holes (6) are evenly distributed.
4. according to claim 3ly a kind ofly prevent that water and soil from polluting the greenhouse air EGR, it is characterized in that: the position near top in described greenhouse is provided with discharge (2), described discharge (2) is provided with several air admission holes (9), between described discharge (2) and gas-distributing pipe (1), by vertical pipe (3), is communicated with.
5. according to claim 4ly a kind ofly prevent that water and soil from polluting the greenhouse air EGR, is characterized in that: the end that underground condenser pipe (7) has exhaust outlet (8) is bent upwards and leans out plantation ground in the edge, greenhouse.
6. a kind of water and soil pollution greenhouse air EGR that prevents according to claim 5, is characterized in that: blower fan (4) is installed in described vertical pipe (3).
7. according to claim 6ly a kind ofly prevent that water and soil from polluting the greenhouse air EGR, is characterized in that: described underground condenser pipe (7) is embedded in plantation 30-50 centimetre of depths of below ground.
8. according to claim 7ly a kind ofly prevent that water and soil from polluting the greenhouse air EGR, it is characterized in that: the air admission hole diameter of discharge (2) is 2-10cm, and the position from the position away from vertical pipe (3) to close vertical pipe (3) diminishes gradually.
9. according to claim 8ly a kind ofly prevent that water and soil from polluting the greenhouse air EGR, it is characterized in that: described greenhouse is provided with the automatic controller (5) be electrically connected to blower fan (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203431077U CN203327636U (en) | 2013-06-17 | 2013-06-17 | Green house air circulation device capable of preventing water and soil pollution |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013203431077U CN203327636U (en) | 2013-06-17 | 2013-06-17 | Green house air circulation device capable of preventing water and soil pollution |
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| CN203327636U true CN203327636U (en) | 2013-12-11 |
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| CN2013203431077U Expired - Fee Related CN203327636U (en) | 2013-06-17 | 2013-06-17 | Green house air circulation device capable of preventing water and soil pollution |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108029379A (en) * | 2017-11-17 | 2018-05-15 | 西安理工大学 | A kind of salt-soda soil crop rhizosphere soils oxygen automatic update system |
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2013
- 2013-06-17 CN CN2013203431077U patent/CN203327636U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108029379A (en) * | 2017-11-17 | 2018-05-15 | 西安理工大学 | A kind of salt-soda soil crop rhizosphere soils oxygen automatic update system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20140617 |
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| EXPY | Termination of patent right or utility model |