CN202759934U - Constant pressure device for agricultural irrigation system - Google Patents
Constant pressure device for agricultural irrigation system Download PDFInfo
- Publication number
- CN202759934U CN202759934U CN 201220447931 CN201220447931U CN202759934U CN 202759934 U CN202759934 U CN 202759934U CN 201220447931 CN201220447931 CN 201220447931 CN 201220447931 U CN201220447931 U CN 201220447931U CN 202759934 U CN202759934 U CN 202759934U
- Authority
- CN
- China
- Prior art keywords
- filter
- pipeline
- agricultural irrigation
- air inlet
- swirler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A constant pressure device for an agricultural irrigation system is used for agricultural irrigation. The constant pressure device for the agricultural irrigation system comprises a swirler and a filter. A water inlet mouth is arranged on the swirler, the swirler and the filter are connected through a pipeline, and an air inlet and outlet valve is arranged on the pipeline connected by the swirler and the filter. The pipeline connected by the swirler and the filter is higher than the swirler and the filter, so the air inlet and outlet valve arranged on the pipeline is located on the highest point of the system. The constant pressure device for the agricultural irrigation system has the advantages that due to the fact that the air inlet and outlet valve is arranged, when the system supplies water or stops the water, air in the system can be exhausted through the air inlet and outlet valve and air can be added into the system, pressure in the system can be kept balanced, and damages caused by excessive pressure or negative pressure can be prevented from occurring to the system and the pipeline.
Description
Technical field
The utility model relates to a kind of agricultural irrigation systems.
Background technology
Owing in the agricultural irrigation systems, because feed pressure is larger, the air of reserving in the pipeline can't be discharged fast, to giving the water generates resistance, affect the flow process of water, increased the burden of system, wasted a large amount of electric power energies.In addition, when stopping to feed water, owing to producing the moment vacuum in the pipeline, very easily cause the aqueduct deformation fracture.
Summary of the invention
The purpose of this utility model provides a kind of agricultural irrigation systems constant-voltage equipment, and is simple in structure, improves efficient and the unlikely deformation fracture of protection pipeline of carrying wetting system.
In order to achieve the above object, the technical solution adopted in the utility model is:
A kind of agricultural irrigation systems constant-voltage equipment comprises cyclone and filter, it is characterized in that: described cyclone is provided with water inlet, and cyclone is connected by pipeline with filter, and the pipeline that is connected with filter at described cyclone is provided with air inlet and exhaust valve.
The pipeline that above-described cyclone is connected with filter is higher than cyclone and filter, and the air inlet and exhaust valve that pipeline is provided with is in the peak of system.
The utility model beneficial effect is, owing to being provided with air inlet and exhaust valve, when system water supply with when cutting off the water, inflate to the discharge of air in the system with to system by air inlet and exhaust valve, the pressure balance of keeping system, when preventing that pressure is excessive or producing negative pressure to the harm of system and pipeline.
Description of drawings
Fig. 1 is the utility model structural representation.
Among the figure: 1. water inlet; 2. cyclone; 3. air inlet and exhaust valve; 4. filter.
Embodiment
By accompanying drawing 1 as can be known, the utility model comprises cyclone 2 and filter 4, and described cyclone 2 is provided with water inlet 1, and cyclone 2 and filter 4 are connected by pipeline, is connected the pipeline that connects with filter at described cyclone 2 and is provided with air inlet and exhaust valve 3.Above-described cyclone 2 is connected the pipeline that connects and is higher than cyclone 2 and filter 4 with filter, the air inlet and exhaust valve 3 that pipeline is provided with is in the peak of system.
Operation principle of the present utility model is that because usually all be dissolved with certain air in the water, water gas in the process of circulation is got together gradually and formed large bubble even gas column like this, because replenishing of water arranged, so γ-ray emission is often arranged.When in the system gas overflowing being arranged, gas can be climb along pipeline, finally is gathered in the peak of system, is connected with filter on the pipeline that connects when gas is gathered in the utility model cyclone 2 gradually, make the air inlet and exhaust valve 3 interior gases that are arranged on the pipeline increase pressure rise.When gas pressure during greater than system pressure, the Exhaust Open on the air inlet and exhaust valve 3, after gas drains, the exhaust close on the air inlet and exhaust valve 3.Same reason produces negative pressure in system, Exhaust Open because this moment, external atmosphere pressure force rate system pressure was large, so atmosphere can enter system by exhaust outlet, prevents the harm of negative pressure.
Should be noted that embodiment described in the utility model only is its optimal way, only is apparent change to belonging to technical solutions of the utility model, all should belong within the protection domain of the present utility model.
Claims (2)
1. an agricultural irrigation systems constant-voltage equipment comprises cyclone and filter, it is characterized in that: described cyclone is provided with water inlet, and cyclone is connected by pipeline with filter, and the pipeline that is connected with filter at described cyclone is provided with air inlet and exhaust valve.
2. agricultural irrigation systems constant-voltage equipment according to claim 1, it is characterized in that: the pipeline that described cyclone is connected with filter is higher than cyclone and filter, and the air inlet and exhaust valve that pipeline is provided with is in the peak of system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220447931 CN202759934U (en) | 2012-09-05 | 2012-09-05 | Constant pressure device for agricultural irrigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220447931 CN202759934U (en) | 2012-09-05 | 2012-09-05 | Constant pressure device for agricultural irrigation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202759934U true CN202759934U (en) | 2013-03-06 |
Family
ID=47766553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220447931 Expired - Fee Related CN202759934U (en) | 2012-09-05 | 2012-09-05 | Constant pressure device for agricultural irrigation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202759934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103651047A (en) * | 2013-12-20 | 2014-03-26 | 中国农业科学院农田灌溉研究所 | Self-filtering negative-pressure irrigation device |
-
2012
- 2012-09-05 CN CN 201220447931 patent/CN202759934U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103651047A (en) * | 2013-12-20 | 2014-03-26 | 中国农业科学院农田灌溉研究所 | Self-filtering negative-pressure irrigation device |
| CN103651047B (en) * | 2013-12-20 | 2015-04-29 | 中国农业科学院农田灌溉研究所 | Self-filtering negative-pressure irrigation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20160905 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |