CN210492009U - Negative pressure formula circulating device and negative pressure pipeline formula infiltrating irrigation equipment - Google Patents
Negative pressure formula circulating device and negative pressure pipeline formula infiltrating irrigation equipment Download PDFInfo
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- CN210492009U CN210492009U CN201920853990.1U CN201920853990U CN210492009U CN 210492009 U CN210492009 U CN 210492009U CN 201920853990 U CN201920853990 U CN 201920853990U CN 210492009 U CN210492009 U CN 210492009U
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Abstract
The utility model relates to a negative pressure type circulating device and negative pressure pipeline type filtration irrigation equipment, the negative pressure type circulating device comprises a closed water storage tank and a vertical pipe with an opening at the top, a third water service pipe and a fourth water service pipe are communicated between the water storage tank and the vertical pipe, a water pump is arranged on the third water service pipe, and a control valve is arranged on the fourth water service pipe; a first water pipe is arranged at the upper end of the water storage tank, and a second valve is arranged on the first water pipe; and a water pipe II is arranged at the upper part of the vertical pipe, and a valve III is arranged on the water pipe II. The negative pressure pipeline type infiltrating irrigation equipment comprises an infiltrating irrigation device and the negative pressure type circulating device, wherein the water pipe I is communicated with a vent pipe in the infiltrating irrigation device, and the water pipe II is communicated with a water storage container in the infiltrating irrigation device.
Description
Technical Field
The utility model relates to a farmland negative pressure irrigation technical field especially relates to a negative pressure formula circulating device and negative pressure pipeline formula infiltrating irrigation equipment.
Background
China is a country which is quite lack of land resources and fresh water resources, various negative pressure type infiltrating irrigation devices are appeared in order to solve the problem of agricultural irrigation water conservation, for example, a negative pressure pipeline type infiltrating irrigation device is disclosed as CN2870448Y, the device is a pipeline low pressure and trace infiltrating irrigation device, and is characterized in that: the air inlet is continuously closed and opened like an automatic switch by utilizing the mutual balance of five forces of naturally existing atmospheric pressure, negative pressure, water column pressure, soil water absorption and water holding capacity of the water seeping device, the switch can lead the irrigation system to automatically work in principle, can lead the water content of the soil to be stably kept in a set range, and is beneficial to realizing automatic irrigation according to the soil humidity. However, air is dissolved in water under normal pressure, and this air is precipitated under negative pressure, and forms air bubbles in the infiltrating irrigation pipe. The existence of air bubbles blocks continuous water tension between the water storage container and the water seeping device, and directly influences the working state of the negative pressure accurate irrigation device, so that the problem of air exhaust must be solved in practical application. The utility model provides a negative pressure formula circulating device is exactly in order to solve this problem, closes valve 8, opens valve two 10-1 and valve three 12-1, negative pressure formula circulating device forms a circulation circuit with water container 1, raceway 2, infiltration pipe 3 and breather pipe 4, opens the exhaust work that water pump 13-1 power can carry out the pipeline. After the water pump 13-1 in the circulating device starts to work, a negative pressure cavity II 9-1 is formed at the upper part in the water storage tank 9, the control valve 15 is adjusted according to the reading of the barometer 16, so that the air pressure of the negative pressure cavity II 9-1 is stable, the suction force generated on the vent pipe 4 is stable, and the phenomenon that when water circulation is directly carried out through the water pump, the water flow velocity is unstable due to reasons such as unstable voltage and the like, and air bubbles are generated in a pipeline is prevented.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a negative pressure formula circulating device and negative pressure pipeline formula infiltrating irrigation equipment that simple structure, suction are stable, remove the air bubble effectual is provided.
In order to solve the above problems, the utility model adopts the following technical proposal:
the utility model provides a negative pressure type circulating device, which comprises a closed water storage tank and a vertical pipe with an opening at the top, wherein a third water service pipe and a fourth water service pipe are communicated between the water storage tank and the vertical pipe, a water pump is arranged on the third water service pipe, and a control valve is arranged on the fourth water service pipe; a first water pipe is arranged at the upper end of the water storage tank, and a second valve is arranged on the first water pipe; and a water pipe II is arranged at the upper part of the vertical pipe, and a valve III is arranged on the water pipe II.
As a further improvement of the utility model, the top of the water storage tank is provided with a barometer.
As a further improvement of the utility model, the top of the water storage tank is provided with a deflation valve.
As a further improvement of the utility model, the third water service pipe and the fourth water service pipe are arranged on the lower part of the water storage tank and the vertical pipe.
As a further improvement of the utility model, the height of the vertical pipe is higher than that of the water storage tank.
As a further improvement of the utility model, the control valve is a manual control valve.
The utility model also provides a negative pressure pipeline formula filtration irrigation equipment, it includes filtration irrigation device and above negative pressure formula circulating device, water service pipe one with breather pipe among the filtration irrigation device is linked together, water service pipe two with water container among the filtration irrigation device is linked together.
As a further improvement of the utility model, a valve I is arranged at the lower reaches of the joint of the breather pipe and the water service pipe.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the utility model provides a negative pressure formula circulating device, among the circulating device water pump begin the work after, upper portion has formed negative pressure chamber two in the water storage tank, according to the reading of barometer, the adjustment control valve makes the atmospheric pressure in negative pressure chamber two is stable, and is stable to the suction that the breather pipe produced, when preventing directly to carry out hydrologic cycle through the water pump, because reasons such as voltage unstability cause the velocity of water unstable, lead to producing the air bubble in the pipeline. The utility model also provides a negative pressure pipeline formula filtration irrigation equipment, will be above-mentioned negative pressure formula circulating device connect the back on the filtration irrigation device, close valve one, open valve two and valve three backs, negative pressure formula circulating device and water container, raceway, infiltration pipe and breather pipe have constituteed a circulation circuit, open the exhaust work that the pipeline can be carried out to the water pump power, have realized the accurate control of negative pressure irrigation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the present invention in operation.
Wherein: 1 water storage container, 1-1 negative pressure cavity I, 2 water delivery pipe, 3 water seepage pipe, 3-1 water seepage device, 4 vent pipe, 5 ventilation and pressure regulation pipe, 6 pressure regulator, 7 water replenishing mechanism, 8 valve I, 9 water storage tank, 9-1 negative pressure cavity II, 10 water delivery pipe I, 10-1 valve II, 11 vertical pipe, 12 water delivery pipe II, 12-1 valve III, 13 water delivery pipe III, 13-1 water pump, 14 water delivery pipe IV, 15 control valve, 16 barometer and 17 air release valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following description of the present invention with reference to the accompanying drawings and specific embodiments is provided for clarity and completeness.
The utility model provides a negative pressure formula circulating device as shown in fig. 1-2, it includes inclosed water storage tank 9 and open-top's standpipe 11, the intercommunication has three 13 of water service pipes and four 14 of water service pipes between water storage tank 9 and the standpipe 11, three 13 of water service pipes and four 14 of water service pipes locate water storage tank 9 and 11 lower parts of standpipe, standpipe 11 highly be higher than the height of water storage tank 9. And a water pump 13-1 is arranged on the third water pipe 13, and when the water pump 13-1 works, the water in the water storage tank 9 is pumped into the vertical pipe 11. The fourth water pipe 14 is provided with a control valve 15, and in the embodiment, the control valve 15 is a manual control valve. A water pipe I10 is arranged at the upper end of the water storage tank 9, and a valve II 10-1 is arranged on the water pipe I10; a second water pipe 12 is arranged at the upper part of the vertical pipe 11, and a third valve 12-1 is arranged on the second water pipe 12. The top of the water storage tank 9 is provided with a barometer 16 and a deflation valve 17. Before the water pump 13-1 works, the water storage tank 9 is filled with water in advance, and the vertical pipe 11 is filled with a proper amount of water which is higher than the liquid level of the water stored in the water storage tank 9 as much as possible, so that after the control valve 15 is opened, the water in the water pipe four 14 flows from the vertical pipe 11 to the water storage tank 9.
After the water pump 13-1 in the circulating device starts to work, a second negative pressure cavity 9-1 is formed at the upper part in the water storage tank 9, the control valve 15 is adjusted according to the reading of the barometer 16, the flow rate of water flowing towards the water storage tank 9 from the vertical pipe 11 in the water through pipe four 14 is controlled, the air pressure of the second negative pressure cavity 9-1 in the water storage tank 9 is stable, the suction force generated on the vent pipe 4 is stable, and the phenomenon that when water circulation is directly carried out through the water pump 13-1, the water flow rate is unstable due to reasons such as unstable voltage, and air bubbles are generated in a pipeline is prevented.
The utility model also provides a negative pressure pipeline formula filtration irrigation equipment, it includes filtration irrigation device, voltage regulator 6 and above negative pressure formula circulating device, the filtration irrigation device is including consecutive water storage container 1, raceway 2, infiltration pipe 3 and breather pipe 4, be equipped with the infiltration ware 3-1 on the infiltration pipe 3. The pressure regulator 6 is communicated with the water storage container 1 of the infiltrating irrigation device through a ventilation and pressure regulating pipe 5, the first water pipe 10 is communicated with the ventilation pipe 4 in the infiltrating irrigation device, and the second water pipe 12 is communicated with the water storage container 1 in the infiltrating irrigation device. And a first valve 8 is arranged on the lower stream of the joint of the vent pipe 4 and the first water pipe 10.
The specific working process is as follows:
under normal pressure, air is dissolved in water, and the air can be separated out under the negative pressure state, and air bubbles can be formed in the infiltrating irrigation pipeline. The existence of the air bubbles blocks the continuous water tension between the water storage container 1 and the water seeping device 3-1, directly influences the working state of the negative pressure precise irrigation device, and at the moment, the negative pressure type circulating device is required to exhaust.
After the negative pressure type circulating device is connected to the infiltrating irrigation device, the first valve 8 is closed, the second valve 10-1 and the third valve 12-1 are opened, the negative pressure type circulating device, the water storage container 1, the water delivery pipe 2, the water seepage pipe 3 and the vent pipe 4 form a circulating loop, the control valve 15 and the vent valve 17 are opened, water is added into the vertical pipe 11, the water storage tank 9 is filled with the water, the control valve 15 and the vent valve 17 are closed, appropriate water is also stored in the vertical pipe 11 and is higher than the liquid level of the water stored in the water storage tank 9 as much as possible, and after the control valve 15 is opened, the water in the fourth water delivery pipe 14 flows into the water storage tank 9 from the vertical pipe 11.
And turning on a power supply of a water pump 13-1 to perform exhaust work of a pipeline in the circulation loop, wherein water in the water storage container 1 sequentially passes through the water conveying pipe 2, the water seepage pipe 3, the vent pipe 4, the water storage tank 9, the third water through pipe 13 and the vertical pipe 11 and then flows back into the water storage container 1 from the second water through pipe 12 on the upper part of the vertical pipe 11. Under the action of the water pump 13-1, the water outlet speed of the water storage tank 9 is higher than the water inlet speed of the water through pipe I10, a negative pressure cavity II 9-1 is formed at the upper part of the water storage tank 9, and water in the vent pipe 4 enters the water storage tank 9 under the action of negative pressure. Observing the reading of the barometer 16, and when the negative pressure in the negative pressure cavity II 9-1 reaches a set value, opening the control valve 15 to enable water in the vertical pipe 11 to enter the water storage tank 9 through the water pipe IV 14, so that the negative pressure in the water storage tank 9 is constant; when the negative pressure in the water storage tank 9 is too large or too small, the flow of the control valve 15 is adjusted, so that the liquid level in the water storage tank 9 rises or falls, the negative pressure in the negative pressure cavity 9-1 is reduced or raised, the negative pressure in the negative pressure cavity 9-1 is constant, and the accurate control of negative pressure irrigation is realized. After air bubbles are removed, the second valve 10-1 and the third valve 12-1 are closed, the air release valve 17 is opened, water is added into the vertical pipe 11, air in the water storage tank 9 is exhausted and filled with water, and then the control valve 15 and the air release valve 17 are screwed down. The negative pressure type circulation device operates only when air bubbles are removed, and stops operating after the air bubbles are removed, and the amount of the air bubbles in the pipeline is limited, so that the water storage tank 9 is not filled with air.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; 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 technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (8)
1. The negative pressure type circulating device is characterized by comprising a closed water storage tank (9) and a vertical pipe (11) with an opening at the top, wherein a third water pipe (13) and a fourth water pipe (14) are communicated between the water storage tank (9) and the vertical pipe (11), a water pump (13-1) is arranged on the third water pipe (13), and a control valve (15) is arranged on the fourth water pipe (14); a first water pipe (10) is arranged at the upper end of the water storage tank (9), and a second valve (10-1) is arranged on the first water pipe (10); and a second water pipe (12) is arranged at the upper part of the vertical pipe (11), and a third valve (12-1) is arranged on the second water pipe (12).
2. A negative pressure type circulation device according to claim 1, wherein a barometer (16) is arranged on the top of the water storage tank (9).
3. A negative pressure type circulation device according to claim 1, characterized in that the top of the water storage tank (9) is provided with a release valve (17).
4. The negative pressure type circulation device according to claim 1, wherein the third (13) and fourth (14) water pipes are provided at lower portions of the water storage tank (9) and the vertical pipe (11).
5. A negative pressure type circulation device according to claim 4, wherein the height of the standpipe (11) is higher than the height of the water storage tank (9).
6. A negative pressure type circulation device according to claim 1, wherein the control valve (15) is a manual control valve.
7. A negative pressure pipeline type infiltrating irrigation equipment, characterized in that, it comprises infiltrating irrigation equipment and the negative pressure type circulating device of any claim 1 to 6, the first water pipe (10) is connected with the vent pipe (4) in the infiltrating irrigation equipment, the second water pipe (12) is connected with the water storage container (1) in the infiltrating irrigation equipment.
8. A negative pressure ducted filtration irrigation apparatus as in claim 7, wherein a first valve (8) is provided on the vent pipe (4) downstream of the connection with the first water pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920853990.1U CN210492009U (en) | 2019-06-06 | 2019-06-06 | Negative pressure formula circulating device and negative pressure pipeline formula infiltrating irrigation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920853990.1U CN210492009U (en) | 2019-06-06 | 2019-06-06 | Negative pressure formula circulating device and negative pressure pipeline formula infiltrating irrigation equipment |
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| CN210492009U true CN210492009U (en) | 2020-05-12 |
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| CN201920853990.1U Active CN210492009U (en) | 2019-06-06 | 2019-06-06 | Negative pressure formula circulating device and negative pressure pipeline formula infiltrating irrigation equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114027062A (en) * | 2021-10-28 | 2022-02-11 | 青岛农业大学 | Intelligent water fertilizer pesticide gas decision method for greenhouse matrix cultivation |
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2019
- 2019-06-06 CN CN201920853990.1U patent/CN210492009U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114027062A (en) * | 2021-10-28 | 2022-02-11 | 青岛农业大学 | Intelligent water fertilizer pesticide gas decision method for greenhouse matrix cultivation |
| CN114027062B (en) * | 2021-10-28 | 2023-01-24 | 青岛农业大学 | Intelligent water fertilizer pesticide gas decision method for greenhouse matrix cultivation |
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