CN106358556A - Irrigation-fertilization-aerating stirring device and method - Google Patents
Irrigation-fertilization-aerating stirring device and method Download PDFInfo
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- 238000003756 stirring Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000003337 fertilizer Substances 0.000 claims abstract description 173
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 142
- 238000005273 aeration Methods 0.000 claims abstract description 45
- 230000004720 fertilization Effects 0.000 claims abstract description 29
- 238000003973 irrigation Methods 0.000 claims abstract description 28
- 238000013019 agitation Methods 0.000 claims abstract description 26
- 230000002262 irrigation Effects 0.000 claims abstract description 26
- 238000003860 storage Methods 0.000 claims abstract description 14
- 239000007787 solid Substances 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000004927 fusion Effects 0.000 claims description 8
- 210000003437 trachea Anatomy 0.000 claims description 6
- 238000010907 mechanical stirring Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 230000010354 integration Effects 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 3
- 238000004090 dissolution Methods 0.000 description 5
- 239000003621 irrigation water Substances 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000021049 nutrient content Nutrition 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000000447 pesticide residue Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
- A01C23/042—Adding fertiliser to watering systems
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
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Abstract
本发明披露了一种灌溉施肥加气搅拌装置及方法。所述灌溉施肥加气搅拌装置,其特征在于,包括进料部分,气体搅拌部分和出料部分,其中所述气体搅拌部分包括加气装置1,水肥罐4和进气管2;所述进料部分包括进水管3、肥料传送装置和定量存肥装置11;所述出料部分包括出水肥阀门6,出水肥管7和过滤器8。本发明所披露的灌溉施肥加气搅拌装置及方法,通过高压气体搅拌可实现高效率水肥充分融合和过程的自动化控制,可应用于大田灌溉系统的前端,进一步发挥水肥灌溉技术的优势,节约能源,降低成本,提高效率。
The invention discloses an irrigation, fertilization, aeration and stirring device and method. The aeration and agitation device for irrigation and fertilization is characterized in that it includes a feed part, a gas agitation part and a discharge part, wherein the gas agitation part includes an aeration device 1, a water and fertilizer tank 4 and an air inlet pipe 2; the feed The part includes a water inlet pipe 3, a fertilizer conveying device and a quantitative fertilizer storage device 11; The irrigation, fertilization, aeration and agitation device and method disclosed in the present invention can realize full integration of high-efficiency water and fertilizer and automatic control of the process through high-pressure gas agitation, and can be applied to the front end of the field irrigation system to further exert the advantages of water and fertilizer irrigation technology and save energy. , reduce costs and improve efficiency.
Description
技术领域technical field
本发明涉及灌溉水肥一体化技术领域,具体来说,披露了一种灌溉施肥加气搅拌装置及方法。The invention relates to the technical field of irrigation, water and fertilizer integration, and specifically discloses an irrigation, fertilization, aeration and stirring device and method.
背景技术Background technique
灌溉水肥一体化技术是将灌溉与施肥融为一体的农业新技术。水肥一体化是借助压力系统(或地形自然落差),将可溶性固体或液体肥料,按土壤养分含量和作物种类的需肥规律和特点,配兑成的肥液与灌溉水一起,通过可控管道系统供水、供肥,使水肥相融后,通过管道和滴头形成滴灌、均匀、定时、定量,浸润作物根系发育生长区域,使主要根系土壤始终保持疏松和适宜的含水量,同时根据不同的作物的需肥特点,土壤环境和养分含量状况;作物不同生长期需水,需肥规律情况进行不同生育期的需求设计,把水分、养分定时定量,按比例直接提供给作物。The integrated irrigation water and fertilizer technology is a new agricultural technology that integrates irrigation and fertilization. The integration of water and fertilizer is to use the pressure system (or the natural drop of the terrain) to mix the soluble solid or liquid fertilizer according to the soil nutrient content and the law and characteristics of the fertilizer requirement of the crop species, and mix the fertilizer solution together with the irrigation water through the controllable pipeline. The system supplies water and fertilizer. After the water and fertilizer are mixed together, drip irrigation is formed through pipes and drippers, evenly, regularly, and quantitatively, infiltrating the growth area of the root system of the crops, so that the main root system soil is always kept loose and suitable for water content. At the same time, according to different The characteristics of crops' fertilizer requirements, soil environment and nutrient content; crops' water requirements in different growth periods, and the law of fertilizer requirements are designed for different growth periods, and water and nutrients are regularly and quantitatively provided to crops directly in proportion.
灌溉水肥一体化技术具有“三节、一省、四提”的优势。“三节”即可实现节水、节肥和节药。该项技术可由管道及时定量地向作物根层供水,可根据作物需要对局部进行定量灌溉与施肥,大大提高水的利用效率,实现农业水资源大幅节约。“一省”是指省工,由于采用灌溉设备实现自动施肥浇水,可以大量减少以往灌水施肥的劳动投入和劳动强度。“四提”是指该技术可提高水资源利用效率,提高肥料利用效率,同时由于水肥适时合理供给,可显著增加作物产量,提高单位耕地的产出效率,因此也提高了耕地资源利用效率。此外,该技术可以实现肥料利用效率的提高,因此可以减轻甚至避免农业施肥对土壤、水体面源污染的风险,同时,由于水肥的合理使用可以减少病虫害的发生,减少农药使用,提高农产品生产安全水平和农业生态水平,减轻农药残留对环境污染和对人体的危害。The irrigation water and fertilizer integration technology has the advantages of "three sections, one province, and four lifts". "Three festivals" can save water, fertilizer and medicine. This technology can supply water to the root layer of crops in a timely and quantitative manner through pipelines, and can perform quantitative irrigation and fertilization according to the needs of crops, greatly improving the efficiency of water use and saving agricultural water resources. "One province" refers to labor saving. Since the use of irrigation equipment to realize automatic fertilization and watering can greatly reduce the labor input and labor intensity of irrigation and fertilization in the past. "Four improvements" means that this technology can improve the efficiency of water resource utilization and fertilizer utilization. At the same time, due to the timely and reasonable supply of water and fertilizer, it can significantly increase crop yield and increase the output efficiency of a unit of cultivated land, so it also improves the utilization efficiency of cultivated land resources. In addition, this technology can improve the efficiency of fertilizer use, so it can reduce or even avoid the risk of soil and water non-point source pollution caused by agricultural fertilization. At the same time, due to the rational use of water and fertilizer, it can reduce the occurrence of diseases and insect pests, reduce the use of pesticides, and improve the production safety of agricultural products level and agricultural ecological level, and reduce the environmental pollution and harm to human body caused by pesticide residues.
目前,灌溉水肥一体化技术在微灌上已经开始推广使用,而在大田灌溉方面存在施肥量大,液体肥料少,且价格高等诸多因素,大田的水肥一体化,特别是喷灌的水肥一体化很难推广使用。当前,水肥一体化中固体肥料,大多通过水来溶解,因其溶解速度慢,很多装置采用加搅拌器等方式进行搅拌加速溶解,以助于更高效的溶肥、施肥。At present, irrigation water and fertilizer integration technology has begun to be popularized and used in micro-irrigation. However, in field irrigation, there are many factors such as large amount of fertilizer, less liquid fertilizer, and high price. The integration of water and fertilizer in field, especially the integration of water and fertilizer in sprinkler irrigation is very difficult. Difficult to popularize. At present, most solid fertilizers in water and fertilizer integration are dissolved by water. Because of their slow dissolution rate, many devices use agitators and other methods to stir and accelerate dissolution, so as to help more efficient fertilizer dissolution and fertilization.
例如,申请号为201520160775.5和201520923001.3的实用新型都公开了用于微灌系统的水肥机,均主要通过电机驱动机械搅拌装置实现水肥融合。申请号为201510436059.X的发明公开了一种肥料溶解装置,主要是通过螺旋片搅拌装置实现水肥融合。For example, utility models with application numbers 201520160775.5 and 201520923001.3 both disclose water and fertilizer machines for micro-irrigation systems, and both of them realize the fusion of water and fertilizer mainly through a motor-driven mechanical stirring device. The invention with the application number 201510436059.X discloses a fertilizer dissolving device, which mainly realizes the fusion of water and fertilizer through a spiral blade stirring device.
由此可见,目前的搅拌设备多采用电机带动搅拌器,搅动水和肥料进行融合溶解,效率低,搅动不到的地方水流搅动速率不同,溶解速率亦不同,存在效率不高的问题,尤其是在大田灌溉应用中,通过机械搅拌实现水肥融合的效率无法满足大田需求。It can be seen that the current stirring equipment mostly uses a motor to drive the stirrer to stir water and fertilizer for fusion and dissolution, which has low efficiency. The stirring speed of the water flow is different in places where the stirring is not possible, and the dissolution rate is also different, so there is a problem of low efficiency, especially In field irrigation applications, the efficiency of water and fertilizer integration through mechanical agitation cannot meet the needs of the field.
发明内容Contents of the invention
为解决上述技术问题,本发明提出了一种用于大田灌溉施肥的加气搅拌装置及方法。In order to solve the above technical problems, the present invention proposes an aerated stirring device and method for field irrigation and fertilization.
一种灌溉施肥加气搅拌装置,其特征在于,包括进料部分,气体搅拌部分和出料部分,其中所述气体搅拌部分包括加气装置1,水肥罐4和进气管2;所述进料部分包括进水管3、肥料传送装置和定量存肥装置11;所述出料部分包括出水肥阀门6,出水肥管7和过滤器8。A kind of irrigation and fertilization aeration agitation device, it is characterized in that, comprises feed part, gas agitation part and discharge part, wherein said gas agitation part comprises aeration device 1, water and fertilizer tank 4 and inlet pipe 2; Said feed The part includes a water inlet pipe 3, a fertilizer conveying device and a quantitative fertilizer storage device 11;
优选的,在所述灌溉施肥加气搅拌装置中,所述加气装置1是高压气泵,用于向水肥罐4内提供高压气体。Preferably, in the aeration and agitation device for fertigation, the aeration device 1 is a high-pressure air pump for supplying high-pressure gas into the water and fertilizer tank 4 .
优选的,在所述灌溉施肥加气搅拌装置中,所述水肥罐4内部是倒锥形状或直筒形状的,底部设置有鼓泡器,该鼓泡器是一个或多个平列的气管,气管上开有大量小孔,高压气体冲出小孔时形成大量由下而上的高速气泡串,在水肥罐4内部形成射流和湍流,实现快速充气搅拌,使得水肥充分融合;所述进气管2连接鼓泡器。Preferably, in the fertigation and aeration stirring device, the inside of the water and fertilizer tank 4 is in the shape of an inverted cone or a straight cylinder, and a bubbler is provided at the bottom, and the bubbler is one or more parallel air pipes, There are a large number of small holes on the trachea, and when the high-pressure gas rushes out of the small holes, a large number of high-speed bubble strings from bottom to top are formed, forming jets and turbulent flows inside the water and fertilizer tank 4 to realize rapid aeration and stirring, so that the water and fertilizer are fully fused; the air intake pipe 2Connect the bubbler.
优选的,在所述灌溉施肥加气搅拌装置中,所述水肥罐4内还包括水位和肥料浓度传感装置5,用于水位检测和水肥浓度检测。Preferably, in the fertigation and aeration agitation device, the water and fertilizer tank 4 also includes a water level and fertilizer concentration sensing device 5 for water level detection and water and fertilizer concentration detection.
优选的,在所述灌溉施肥加气搅拌装置中,所述进料部分包括进水管3、肥料传送装置和位于肥料传送装置前端的定量存肥装置11,其中,所述肥料传送装置包括肥料传送带9和传送带转送轮10。Preferably, in the fertigation and aeration agitation device, the feeding part includes a water inlet pipe 3, a fertilizer conveying device and a quantitative fertilizer storage device 11 located at the front end of the fertilizer conveying device, wherein the fertilizer conveying device includes a fertilizer conveying belt 9 and conveyor belt transfer wheel 10.
优选的,在所述灌溉施肥加气搅拌装置中,所述出料部分包括出水肥阀门6,出水肥管7和过滤器8,其中所述过滤器8设置在水肥阀门6和出水肥管7之间,或设置在出水肥管7和大田施肥系统之间。Preferably, in the fertigation and aeration stirring device, the discharge part includes a water fertilizer valve 6, a water fertilizer pipe 7 and a filter 8, wherein the filter 8 is arranged on the water fertilizer valve 6 and the water fertilizer pipe 7 Between, or be arranged between water outlet fertilizer pipe 7 and field fertilization system.
优选的,在所述灌溉施肥加气搅拌装置中,在水肥罐4内进一步设置机械搅拌装置。Preferably, in the fertigation and aeration agitation device, a mechanical agitation device is further provided in the water and fertilizer tank 4 .
优选的,在所述灌溉施肥加气搅拌装置中,所述机械搅拌装置是电机驱动的螺旋叶片、搅拌棒或搅拌架。Preferably, in the fertigation and aeration aeration stirring device, the mechanical stirring device is a motor-driven helical blade, a stirring rod or a stirring frame.
一种灌溉施肥加气搅拌方法,其特征在于,使用上述灌溉施肥加气搅拌装置,其中,通过进水管3向水肥罐4内送水,定量存肥装置11根据具体的施肥方案定量存储和定量向肥料传送带9上投放固体肥料,配合合适传送速度的肥料传送装置将固体肥料送入水肥罐4;A fertigation and aeration mixing method, characterized in that the above-mentioned irrigation and fertilization aeration agitation device is used, wherein water is sent to the water and fertilizer tank 4 through the water inlet pipe 3, and the quantitative fertilizer storage device 11 quantitatively stores and directs the fertilizer according to the specific fertilization scheme. Throw in solid fertilizer on the fertilizer conveyor belt 9, and send the solid fertilizer into the water and fertilizer tank 4 with a fertilizer conveyor with a suitable transmission speed;
高压气泵1通过进气管2向水肥罐4内提供高压气体,水肥罐4内部是倒锥形状或直筒形状的,水肥罐4底部设置有鼓泡器,该鼓泡器可以是一个或多个平列的气管,气管上开有大量小孔,高压气体冲出小孔时形成大量由下而上的高速气泡串,配合倒锥形的内部空间,在水肥罐4内部形成射流和湍流,实现快速充气搅拌,实现水肥充分融合;当水肥罐4内的水位达到标定值时,水位和肥料浓度传感装置5发送信息控制进水速率或关闭进水阀门;The high-pressure air pump 1 provides high-pressure gas to the water fertilizer tank 4 through the air inlet pipe 2. The inside of the water fertilizer tank 4 is in the shape of an inverted cone or a straight cylinder. The bottom of the water fertilizer tank 4 is provided with a bubbler, which can be one or more flat There are a large number of small holes on the trachea, and when the high-pressure gas rushes out of the small holes, a large number of high-speed bubble strings from bottom to top are formed. With the inverted cone-shaped internal space, jet flow and turbulent flow are formed inside the water and fertilizer tank 4 to achieve rapid Inflate and stir to realize full fusion of water and fertilizer; when the water level in the water and fertilizer tank 4 reaches the calibration value, the water level and fertilizer concentration sensing device 5 sends information to control the water inlet rate or close the water inlet valve;
当水位和肥料浓度传感装置5检测到达到标定水肥浓度时,停止高压充气和固体肥的投放和传送,肥料传送装置,定量存肥装置11,加气装置1进入待机或空转状态,水位和肥料浓度传感装置5发送信息,打开出水肥阀门6,水肥通过出水肥管7流出,经过过滤器8进入大田施肥系统。When the water level and the fertilizer concentration sensing device 5 detect that the water and fertilizer concentration is reached, the high-pressure aeration and solid fertilizer dropping and transmission are stopped, the fertilizer transmission device, the quantitative fertilizer storage device 11, and the gas filling device 1 enter the standby or idling state, and the water level and The fertilizer concentration sensing device 5 sends information to open the water and fertilizer outlet valve 6, and the water and fertilizer flow out through the water and fertilizer outlet pipe 7, and enter the field fertilization system through the filter 8.
本发明所披露的灌溉施肥加气搅拌装置及方法,通过高压气体搅拌可实现高效率水肥充分融合和过程的自动化控制,可应用于大田灌溉系统的前端,进一步节约能源,降低成本,提高效率。The irrigation, fertilization and aeration agitation device and method disclosed in the present invention can realize full fusion of high-efficiency water and fertilizer and automatic control of the process through high-pressure gas agitation, and can be applied to the front end of a field irrigation system to further save energy, reduce costs, and improve efficiency.
附图说明Description of drawings
图1为本发明实施例中的灌溉施肥加气搅拌装置的结构图,其中:Fig. 1 is the structural diagram of the fertigation and aeration stirring device in the embodiment of the present invention, wherein:
1-加气装置、2-进气管、3-进水管、4-水肥罐、5-水位和肥料浓度传感装置、6-出水肥阀门、7-出水肥管、8-过滤器、9-肥料传送带、10-传送带转动轮、11-定量存肥器。1-Aeration device, 2-Inlet pipe, 3-Inlet pipe, 4-Water fertilizer tank, 5-Water level and fertilizer concentration sensor device, 6-Water fertilizer outlet valve, 7-Water fertilizer outlet pipe, 8-Filter, 9- Fertilizer conveyor belt, 10-conveyor belt rotating wheel, 11-quantitative fertilizer storage device.
具体实施方式detailed description
下面结合具体实施例对本发明所述的灌溉施肥加气搅拌装置及方法做进一步说明,但是本发明的保护范围并不限于此。The fertigation, aeration and stirring device and method of the present invention will be further described below in conjunction with specific embodiments, but the protection scope of the present invention is not limited thereto.
图1为本发明实施例中的灌溉施肥加气搅拌装置的结构图。Fig. 1 is a structural diagram of an irrigation, fertilization and aeration agitation device in an embodiment of the present invention.
本发明所披露的灌溉施肥加气搅拌装置包括进料部分,气体搅拌部分和出料部分。The aeration and agitation device for fertigation and fertigation disclosed by the invention comprises a feed part, a gas agitation part and a discharge part.
如图1中所示,进料部分包括进水管3、肥料传送装置和定量存肥装置11。该肥料传送装置包括肥料传送带9和传送带转送轮10。进水管3负责向水肥罐4内送水。定量存肥装置11位于肥料传送装置前端,根据具体的施肥方案定量存储和定量向肥料传送带9上投放固体肥料,配合合适传送速度的肥料传送装置将固体肥料送入水肥罐4。As shown in FIG. 1 , the feeding part includes a water inlet pipe 3 , a fertilizer conveying device and a quantitative fertilizer storage device 11 . The fertilizer conveying device includes a fertilizer conveyor belt 9 and a conveyor belt transfer wheel 10 . Water inlet pipe 3 is responsible for sending water in water and fertilizer tank 4. Quantitative fertilizer storage device 11 is located at the front end of the fertilizer conveying device, quantitatively stores and quantitatively puts solid fertilizer on the fertilizer conveying belt 9 according to the specific fertilization scheme, and sends the solid fertilizer into the water and fertilizer tank 4 with a fertilizer conveying device with a suitable conveying speed.
气体搅拌部分包括加气装置1,水肥罐4,进气管2。加气装置1可以是高压气泵,用于向水肥罐4内提供高压气体。水肥罐4内部是倒锥形状或直筒形状的,优选倒锥形。水肥罐4底部设置有鼓泡器,该鼓泡器可以是一个或多个平列的气管,气管上开有大量小孔,高压气体冲出小孔时形成大量由下而上的高速气泡串,配合倒锥形的内部空间,在水肥罐4内部形成射流和湍流,实现快速充气搅拌,实现水肥充分融合。进气管2连接鼓泡器,当然,本领域技术人员可以想到鼓泡器也可作为进气管2的一部分。水肥罐4内还包括水位和肥料浓度传感装置5,当水肥罐4内的水位达到标定值时,发送信息控制进水速率或关闭进水阀门。此外,水位和肥料浓度传感装置5可发送检测到的水肥浓度信息,进而实时控制或改变定量存肥装置11的定量存储和定量投放参数,以及传送带的传送效率。当水位和肥料浓度传感装置5检测达到标定水肥浓度时,停止固体肥的投放和传送。The gas stirring part includes an aeration device 1 , a water and fertilizer tank 4 , and an air inlet pipe 2 . The gas filling device 1 can be a high-pressure air pump, which is used to provide high-pressure gas into the water and fertilizer tank 4 . The inside of the water and fertilizer tank 4 is in the shape of an inverted cone or a straight cylinder, preferably an inverted cone. The bottom of the water and fertilizer tank 4 is provided with a bubbler. The bubbler can be one or more parallel air pipes. There are a large number of small holes on the air pipe. When the high-pressure gas rushes out of the small holes, a large number of high-speed bubble strings from bottom to top are formed. , with the inverted cone-shaped inner space, jet flow and turbulent flow are formed inside the water and fertilizer tank 4, so as to realize rapid aeration and stirring, and realize full fusion of water and fertilizer. The air inlet pipe 2 is connected with a bubbler, of course, those skilled in the art can imagine that the bubbler can also be used as a part of the air inlet pipe 2 . The water and fertilizer tank 4 also includes a water level and fertilizer concentration sensing device 5. When the water level in the water and fertilizer tank 4 reaches the calibration value, a message is sent to control the water intake rate or close the water intake valve. In addition, the water level and fertilizer concentration sensing device 5 can send the detected water and fertilizer concentration information, and then control or change the quantitative storage and quantitative delivery parameters of the quantitative fertilizer storage device 11 in real time, as well as the transmission efficiency of the conveyor belt. When the water level and fertilizer concentration sensing device 5 detects that the concentration of water and fertilizer is reached, the dropping and transmission of solid fertilizer is stopped.
出料部分包括出水肥阀门6,出水肥管7和过滤器。当水位和肥料浓度传感装置5检测到达到标定水肥浓度时,停止高压充气和固体肥的投放和传送。此时,肥料传送装置,定量存肥装置11,加气装置1进入待机或空转状态。水位和肥料浓度传感装置5发送信息,打开出水肥阀门6,水肥通过出水肥管7流出,进入大田施肥系统。此外,在水肥进入大田施肥系统前应当设置过滤器8,可以理解,过滤器8可设置在水肥阀门6和出水肥管7之间,也可以设置在出水肥管7和大田施肥系统之间。The discharging part comprises a water and fertilizer outlet valve 6, a water and fertilizer outlet pipe 7 and a filter. When the water level and fertilizer concentration sensing device 5 detects that the concentration of water and fertilizer is reached, the high-pressure aeration and the feeding and transmission of solid fertilizer are stopped. At this time, the fertilizer conveying device, the quantitative fertilizer storage device 11, and the gas filling device 1 enter the standby or idling state. The water level and fertilizer concentration sensing device 5 sends information to open the water and fertilizer outlet valve 6, and the water and fertilizer flow out through the water and fertilizer outlet pipe 7 and enter the field fertilization system. In addition, a filter 8 should be installed before the water and fertilizer enter the field fertilization system. It can be understood that the filter 8 can be installed between the water and fertilizer valve 6 and the water and fertilizer outlet pipe 7, or between the water and fertilizer outlet pipe 7 and the field fertilization system.
此外,还可在水肥罐4内进一步设置机械搅拌装置,进一步提高水肥融合效率。该机械搅拌装置可以是电机驱动的螺旋叶片、搅拌棒或搅拌架。In addition, a mechanical stirring device can be further provided in the water and fertilizer tank 4 to further improve the efficiency of water and fertilizer fusion. The mechanical stirring device may be a motor-driven helical blade, a stirring rod or a stirring stand.
通过上述实施例,通过高压气体搅拌可实现高效率水肥充分融合和过程的自动化控制,可应用于大田灌溉系统的前端,进一步节约能源,降低成本,提高效率。Through the above embodiments, high-efficiency water and fertilizer can be fully integrated and process automatic control can be realized through high-pressure gas stirring, which can be applied to the front end of field irrigation system to further save energy, reduce costs and improve efficiency.
可以理解的是,以上实施方式仅仅是为了说明本发明的原理而采用的示例性实施方式,然而本发明并不局限于此。对于本领域内的普通技术人员而言,在不脱离本发明的精神和实质的情况下,可以做出各种变型和改进,这些变型和改进也视为本发明的保护范围。It can be understood that, the above embodiments are only exemplary embodiments adopted for illustrating the principle of the present invention, but the present invention is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also regarded as the protection scope of the present invention.
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