阅读说明：本技术 多溶液管道静态混肥增压灌溉装置 (Static fertilizer pressure boost irrigation equipment that mixes of many solution pipelines ) 是由 王旭峰 赵鹏飞 胡灿 刘媛媛 邢剑飞 郭文松 王龙 贺小伟 徐征鑫 于 2021-09-15 设计创作，主要内容包括：本发明提供一种多溶液管道静态混肥增压灌溉装置,及施肥灌溉技术领域,具体包括混液管、恒压阀、多通道输液管和静态螺旋件,所述恒压阀设于所述混液管的出液端,所述多通道输液管设于所述混液管的进液端,所述静态螺旋件设于所述混液管内,用以对混肥溶液进行引流混合。本发明实现多种水肥的同步均匀混合,增加混肥溶液的流动压力,节省管路布置,保证混肥溶液压力的稳定,提高混肥效率和施肥效率。(The invention provides a multi-solution pipeline static mixed fertilizer pressurizing irrigation device and belongs to the technical field of fertilization and irrigation. The invention realizes synchronous and uniform mixing of various water fertilizers, increases the flowing pressure of the mixed fertilizer solution, saves pipeline arrangement, ensures the stability of the pressure of the mixed fertilizer solution, and improves the mixed fertilizer efficiency and the fertilizing efficiency.)

1. The utility model provides a fertile pressure boost irrigation equipment is mixed to many solution pipeline static states, a serial communication port, including mixing liquid pipe, constant pressure valve, multichannel transfer line and static spiral, the constant pressure valve is located mix the play liquid end of liquid pipe, the multichannel transfer line is located mix the feed liquor end of liquid pipe, static spiral is located mix in the liquid pipe for carry out the drainage to mixing fertile solution and mix.

2. The multi-solution pipeline static mixed fertilizer pressurized irrigation device according to claim 1, wherein the diameter of the mixed fertilizer pipe is gradually reduced along the flowing direction of the mixed fertilizer solution.

3. The multi-solution-pipeline static fertilizer-mixing pressurized irrigation device according to claim 2, wherein the static screw comprises a static screw fan and a support rod, the static screw fan is arranged on the support rod, and the static screw fan, the support rod and the liquid-mixing pipe are coaxially arranged.

4. The multi-solution-pipe static fertilizer-mixing pressurized irrigation device according to claim 3, wherein the size of the static helical fan is gradually reduced along the flowing direction of the fertilizer-mixing solution in the liquid-mixing pipe and is matched with the liquid-mixing pipe.

5. The multi-solution-pipeline static fertilizer-mixing pressurized irrigation device according to claim 3, wherein the static spiral piece further comprises a support column, and the support column is arranged at the end part of the support rod close to the liquid inlet end of the liquid-mixing pipe and is positioned in the liquid-mixing pipe.

6. The multi-solution pipeline static fertilizer mixing and pressurizing irrigation device as claimed in claim 1, wherein the multichannel liquid conveying pipe comprises a throat pipe section, a liquid inlet is formed in a first end of the throat pipe section, a liquid outlet is formed in a second end of the throat pipe section, a plurality of liquid suction pipes are arranged on the periphery of the throat pipe section, and the liquid suction pipes are communicated with the throat pipe section.

7. The multi-solution pipeline static fertilizer mixing and pressurizing irrigation device as claimed in claim 6, wherein the multi-channel infusion tube further comprises a contraction tube section, the contraction tube section is connected with the first end of the throat tube section, and the diameter of the contraction tube section is gradually reduced along the flowing direction of liquid in the contraction tube section.

8. The multi-solution pipeline static fertilizer mixing and pressurizing irrigation device as claimed in claim 6, wherein the multi-channel infusion tube further comprises a diffuser section, the diffuser section is connected with the second end of the throat section, and the diameter of the diffuser section is gradually enlarged along the flowing direction of liquid in the diffuser section.

9. The multi-solution pipeline static fertilizer mixing and pressurizing irrigation device as claimed in claim 6, wherein the pipette is provided with a flow valve.

10. The multi-solution pipeline static fertilizer mixing and pressurizing irrigation device as claimed in any one of claims 1 to 9, wherein the liquid mixing pipe is a pipeline made of transparent materials.

Technical Field

The invention relates to the technical field of fertilization and irrigation, in particular to a multi-solution pipeline static mixed fertilizer pressurizing irrigation device.

Background

With the development and progress of science and technology, facility agriculture technology is more and more emphasized and applied, and as an artificial technical means, an optimal environment suitable for growth of animals and plants is created by changing natural light and temperature conditions, so that the yield and income of crops are increased.

As a high-efficiency accurate irrigation and fertilization machine, the water and fertilizer integrated fertilizer applicator is increasingly researched and applied, from the earliest single-path fertilization to the current multi-fertilizer split-path dynamic fertilization, the dynamic mixing of various water and fertilizer solutions tends to be great, however, nutrients needed by plant growth are various, the sufficient mixing of various fertilizers is difficult to guarantee only by using more equal-diameter straight-through pipelines at the current stage, the water and fertilizer which are mixed unevenly cannot meet the normal growth of plants, and the crop death is caused by the 'seedling burning' caused by the excessive single fertilizer split, so that the improvement of the water and fertilizer mixing uniformity of the water and fertilizer integrated machine is of vital importance.

The water-fertilizer mixer is characterized in that an existing pipeline mixer is generally disturbed by a pipeline special-shaped plate to promote water-fertilizer mixing, but the existing pipeline mixer is easy to block in actual use and is easy to reduce water flow pressure by too many pipeline special-shaped plates, so that a certain interference is caused to a water-fertilizer all-in-one machine which is far away in transmission distance and lacks constant-pressure equipment.

Disclosure of Invention

The invention provides a multi-solution pipeline static fertilizer mixing and pressurizing irrigation device, which is used for solving the defects that multiple liquid manure solutions are easy to block and flow pressure is unstable in the prior art, realizing uniform mixing of the multiple liquid manure solutions and improving mixing efficiency and solution pressure.

The invention provides a multi-solution pipeline static mixed fertilizer pressurizing irrigation device which comprises a mixed fertilizer pipe, a constant pressure valve, a multi-channel liquid conveying pipe and a static spiral part, wherein the constant pressure valve is arranged at the liquid outlet end of the mixed fertilizer pipe, the multi-channel liquid conveying pipe is arranged at the liquid inlet end of the mixed fertilizer pipe, and the static spiral part is arranged in the mixed fertilizer pipe and used for conducting drainage mixing on mixed fertilizer solution.

According to the static mixed fertilizer pressurizing irrigation device with the multiple solution pipelines, provided by the invention, the diameter of the mixed fertilizer pipe is gradually reduced along the flowing direction of the mixed fertilizer solution.

According to the static multi-solution pipeline fertilizer mixing and pressurizing irrigation device provided by the invention, the static spiral piece comprises the static spiral fan and the supporting rod, the static spiral fan is arranged on the supporting rod, and the static spiral fan, the supporting rod and the liquid mixing pipe are coaxially arranged.

According to the multi-solution pipeline static fertilizer mixing and pressurizing irrigation device provided by the invention, the size of the static spiral fan is gradually reduced along the flowing direction of the fertilizer mixing solution in the liquid mixing pipe, and the static spiral fan is matched with the liquid mixing pipe.

According to the static fertilizer mixing and pressurizing irrigation device with the multiple solution pipelines, which is provided by the invention, the static spiral piece further comprises a supporting column, and the supporting column is arranged at the end part, close to the liquid inlet end of the liquid mixing pipe, of the supporting rod and is positioned in the liquid mixing pipe.

According to the multi-solution pipeline static mixed fertilizer pressurizing irrigation device provided by the invention, the multichannel liquid conveying pipe comprises a throat pipe section, a liquid inlet is formed in the first end of the throat pipe section, a liquid outlet is formed in the second end of the throat pipe section, a plurality of liquid sucking pipes are arranged on the periphery of the throat pipe section, and the liquid sucking pipes are communicated with the throat pipe section.

According to the multi-solution pipeline static fertilizer mixing and pressurizing irrigation device provided by the invention, the multi-channel infusion tube further comprises a contraction tube section, the contraction tube section is connected with the first end of the throat tube section, and the diameter of the contraction tube section is gradually reduced along the flowing direction of liquid in the contraction tube section.

According to the multi-solution pipeline static fertilizer mixing and pressurizing irrigation device provided by the invention, the multi-channel liquid conveying pipe further comprises a diffusion pipe section, the diffusion pipe section is connected with the second end of the throat pipe section, and the diameter of the diffusion pipe section is gradually enlarged along the flowing direction of liquid in the diffusion pipe section.

According to the static fertilizer mixing and pressurizing irrigation device with the multiple solution pipelines, which is provided by the invention, the pipette is provided with the flow valve.

According to the static fertilizer mixing and pressurizing irrigation device with the multiple solution pipelines, provided by the invention, the liquid mixing pipe is a transparent pipeline.

The multi-solution pipeline static mixed fertilizer pressurizing irrigation device comprises a mixed fertilizer pipe, a constant pressure valve, a multi-channel liquid conveying pipe and a static spiral part, wherein the constant pressure valve is arranged at the liquid outlet end of the mixed fertilizer pipe, the multi-channel liquid conveying pipe is arranged at the liquid inlet end of the mixed fertilizer pipe, and the static spiral part is arranged in the mixed fertilizer pipe and used for conducting drainage mixing on mixed fertilizer solution, so that synchronous and uniform mixing of multiple kinds of liquid fertilizers is realized, the flowing pressure of the mixed fertilizer solution is increased, the pipeline arrangement is saved, the stability of the pressure of the mixed fertilizer solution is guaranteed, and the mixed fertilizer efficiency and the fertilizing efficiency are improved.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or 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 it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a multi-solution pipeline static fertilizer mixing and pressurizing irrigation device provided by the invention;

FIG. 2 is a front view of a multi-solution pipeline static fertilizer mixing and pressurizing irrigation device provided by the invention;

FIG. 3 is a schematic structural diagram of a static spiral part in the multi-solution pipeline static fertilizer mixing and pressurizing irrigation device provided by the invention;

FIG. 4 is a schematic structural view of a multi-channel liquid delivery tube in the multi-solution-tube static fertilizer-mixing pressurized irrigation device provided by the invention;

FIG. 5 is a schematic structural diagram of a constant pressure valve in the multi-solution pipeline static fertilizer mixing and pressurizing irrigation device provided by the invention;

reference numerals:

10: a liquid mixing pipe; 20: a constant pressure valve; 21: a quick connector;

22: a pressure regulating switch; 30: a multi-channel infusion tube; 31: a throat section;

32: a pipette; 33: shrinking the pipe section; 34: a diffuser section;

40: a static helix; 41: a static screw fan; 42: a support bar;

43: and (4) a support column.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The multi-solution pipeline static fertilizer mixing and pressurizing irrigation device of the invention is described below with reference to fig. 1 to 5, and includes a liquid mixing pipe 10, a constant pressure valve 20, a multi-channel liquid conveying pipe 30 and a static spiral part 40, wherein the constant pressure valve 20 is disposed at the liquid outlet end of the liquid mixing pipe 10, the multi-channel liquid conveying pipe 30 is disposed at the liquid inlet end of the liquid mixing pipe 10, and the static spiral part 40 is disposed in the liquid mixing pipe 10 and is in a static state for draining and mixing the fertilizer mixing solution. It is understood that the liquid mixing pipe 10 is used to realize the mixing of various liquid fertilizers and solutions. The constant pressure valve 20 is installed at the liquid outlet end of the liquid mixing pipe 10, so that the mixed fertilizer solution uniformly mixed in the liquid mixing pipe 10 flows into the constant pressure valve 20, and a set constant pressure is maintained to flow out of the constant pressure valve 20 for watering. The multi-channel liquid conveying pipe 30 is installed at the liquid inlet end of the liquid mixing pipe 10, so that various liquid fertilizers and solutions are sucked and conveyed into the liquid mixing pipe 10 respectively to complete mixing. Static spiral piece 40 installs in mixing liquid pipe 10 for carry out the water conservancy diversion to multiple liquid manure and solution, and be the vortex form and flow, increase flow path, make multiple liquid manure and solution intensive mixing, improve homogeneity and mixing efficiency.

Specifically, the solution enters from the liquid inlet of the multi-channel liquid conveying pipe 30, the liquid fertilizers enter from the self-suction channels of the multi-channel liquid conveying pipe 30, and the liquid fertilizers and the solution are preliminarily mixed in the multi-channel liquid conveying pipe 30 and then enter the liquid inlet of the liquid mixing pipe 10 from the liquid outlet of the multi-channel liquid conveying pipe 30;

the preliminarily mixed fertilizer solution flows in the liquid mixing pipe 10 in a vortex shape along the length direction of the liquid mixing pipe 10 under the flow guiding action of the static spiral part 40, so that the water fertilizer and the solution are fully mixed to form the uniformly mixed fertilizer solution;

the fertilizer solution that mixes of misce bene gets into the inlet of constant pressure valve 20 by the liquid outlet of mixing liquid pipe 10, sets for the output pressure of constant pressure valve 20 according to actual need, because the liquid of a plurality of pipelines mixes the back flow in and mixes liquid pipe 10 in, has improved the pressure of the solution that gets into by the inlet of multichannel transfer line 30, that is to say, improves the output pressure who mixes fertilizer solution.

It should be noted that the solution delivered by the inlet of the multi-channel infusion tube 30 may be an aqueous solution or a liquid manure.

In this embodiment, the one end of constant pressure valve 20 is equipped with the inlet of being connected with the liquid outlet of muddy liquid pipe 10, and the other end of constant pressure valve 20 is equipped with the liquid outlet, and the liquid outlet of constant pressure valve 20 is provided with quick connector 21, makes things convenient for irrigation line's quick grafting. A pressure regulating switch 22 is arranged between the first end and the second end of the constant pressure valve 20, so that the output pressure of the mixed fertilizer solution of the constant pressure valve 20 can be regulated, and the required pressure can be met.

According to the static mixed fertilizer pressurizing irrigation device with the multiple solution pipelines, provided by the invention, the diameter of the mixed fertilizer solution pipe 10 is gradually reduced along the flowing direction of the mixed fertilizer solution. It can be understood that the liquid mixing pipe 10 has a tapered structure, and the diameter of the liquid mixing pipe 10 gradually decreases along the flowing direction of the mixed fertilizer solution. That is, the diameter of the liquid inlet of the liquid mixing pipe 10 is larger than the diameter of the liquid outlet of the liquid mixing pipe 10.

According to bernoulli's principle, the formula is as follows:

where p is the pressure at a point in the fluid, v is the flow velocity at the point in the fluid, ρ is the density of the fluid, g is the gravitational acceleration, h is the height at the point, const is a constant.

That is, in the equal height flow, the smaller the flow velocity v, the larger the pressure p, the smaller the diameter of the liquid outlet of the liquid mixing pipe 10, the lower the flow velocity of the mixed fertilizer solution, and the higher the pressure of the mixed fertilizer solution.

According to the static fertilizer mixing and pressurizing irrigation device with the multiple solution pipelines, provided by the invention, the static spiral part 40 comprises the static spiral fan 41 and the supporting rod 42, the static spiral fan 41 is arranged on the supporting rod 42, and the static spiral fan 41, the supporting rod 42 and the liquid mixing pipe 10 are coaxially arranged. It will be appreciated that the static screw 40 comprises a static screw fan 41 arranged in a spiral shape and a support bar 42 arranged along the length of the liquid mixing pipe 10. Static state helical fan 41 fixed mounting is on the circumference lateral wall of bracing piece 42, and sets up along the length direction of bracing piece 42, that is to say, bracing piece 42 is used for the installation to support static state helical fan 41, and static state helical fan 41 is used for mixing fertile solution drainage.

Wherein, static state helical fan 41, bracing piece 42 and the coaxial setting of liquid mixing pipe 10, mix fertile solution and flow along the spiral direction of static state helical fan 41, realize the drainage and mix, and then improve mixing efficiency.

According to the multi-solution pipeline static fertilizer mixing and pressurizing irrigation device provided by the invention, along the flowing direction of the fertilizer mixing solution in the liquid mixing pipe 10, the size of the static spiral fan 41 is gradually reduced and is matched with the liquid mixing pipe 10. It can be understood that the size of the static spiral fan 41 is gradually reduced along the flowing direction of the fertilizer mixing solution in the fertilizer mixing pipe 10, the static spiral fan 41 adopts a conical design, and the size of the static spiral fan 41 includes the diameter of the fan blades and the distance between the adjacent fan blades. That is, the diameter of the stationary screw fan 41 and the distance between the adjacent fan blades gradually decrease along the flowing direction of the fertilizer solution in the fertilizer mixing pipe 10. The static screw 40 is adapted to the mixing tube 10 to improve the mixing efficiency and the solution pressure.

According to the multi-solution pipeline static fertilizer mixing and pressurizing irrigation device provided by the invention, the static spiral part 40 further comprises a supporting column 43, and the supporting column 43 is arranged at the end part of the supporting rod 42 close to the liquid inlet end of the liquid mixing pipe 10 and is positioned in the liquid mixing pipe 10. It is understood that the supporting rods 43 are provided in plurality and are provided at the end of the supporting rod 42 near the liquid inlet end of the liquid mixing pipe 10 for stably supporting the supporting rod 42 and keeping it still. Wherein, the inside wall of the liquid inlet end of the liquid mixing pipe 10 is provided with an annular groove for clamping and fixing the support column 43 and forming a limit. The plurality of support columns 43 are uniformly arranged along the circumferential direction of the support rod 42 and arranged along the axial direction perpendicular to the support rod 42, so that the stability of the support rod 42 is improved.

According to the multi-solution pipeline static fertilizer mixing and pressurizing irrigation device provided by the invention, the multi-channel liquid conveying pipe 30 comprises a throat pipe section 31, a liquid inlet is formed in the first end of the throat pipe section 31, a liquid outlet is formed in the second end of the throat pipe section 31, a plurality of liquid suction pipes 32 are arranged on the periphery of the throat pipe section 31, and the liquid suction pipes 32 are communicated with the throat pipe section 31. It is understood that the multichannel infusion tube 30 includes a throat section 31, a first end, i.e., a right end, of the throat section 31 is a liquid inlet, a second end, i.e., a left end, of the throat section 31 is a liquid outlet, and the throat section 31 is a straight tube. The periphery of throat pipe section 31 is equipped with a plurality of pipettes 32, and every pipette 32 corresponds a liquid manure, realizes carrying in the throat pipe section 31 to different kinds of liquid manure in step.

According to the multi-solution pipeline static fertilizer mixing and pressurizing irrigation device provided by the invention, the multi-channel infusion tube 30 further comprises a contraction tube section 33, the contraction tube section 33 is connected with the first end of the throat tube section 31, and the diameter of the contraction tube section 33 is gradually reduced along the flowing direction of liquid in the contraction tube section 33. It can be understood that the contraction pipe section 33 is disposed at the first end of the throat pipe section 31, the right end of the contraction pipe section 33 is provided with a liquid inlet, and the left end of the contraction pipe section is provided with a liquid outlet and is connected with the first end of the throat pipe section 31, i.e. the liquid inlet, so as to realize communication. Along the flowing direction of the liquid in the contraction pipe section 33, namely from right to left, the diameter of the contraction pipe section 33 is gradually reduced, so that the solution flows into the throat pipe section 31 in a depressurization and acceleration manner.

According to the multi-solution pipeline static fertilizer mixing and pressurizing irrigation device provided by the invention, the multi-channel infusion tube 30 further comprises a diffusion tube section 34, the diffusion tube section 34 is connected with the second end of the throat tube section 31, and the diameter of the diffusion tube section 34 is gradually enlarged along the flowing direction of liquid in the diffusion tube section 34. It can be understood that the diffuser section 34 is disposed at the second end of the throat section 31, a liquid inlet is disposed at the right end of the diffuser section 34, a liquid outlet is disposed at the left end of the diffuser section 34, and the liquid inlet of the diffuser section 34 is connected to the liquid outlet of the throat section 31 for communication. Along the flowing direction of the liquid in the diffusion pipe section 34, namely from right to left, the diameter of the diffusion pipe section 34 is gradually enlarged, and the speed reduction and pressurization of the mixed fertilizer liquid flowing into the diffusion pipe section 34 are realized.

That is, the liquid inlet of the contraction pipe section 33 is the liquid inlet pipe of the multi-channel infusion pipe 30, the solution is accelerated and depressurized by the contraction pipe section 33, then enters the throat pipe section 31 and then enters the diffusion pipe section 34, the liquid outlet of the diffusion pipe section 34 is the liquid outlet of the multi-channel infusion pipe 30, and the solution is decelerated and pressurized in the diffusion pipe section 34;

the solution pressure at the liquid outlet of the contraction pipe section 33 is smaller than the solution pressure at the liquid inlet of the diffusion pipe section 34, so that a pressure difference is formed, the suction pipe 32 on the peripheral side of the throat pipe section 31 generates suction force, the suction pipe 32 sucks liquid fertilizer into the throat pipe section 31, and the liquid fertilizer and the solution are preliminarily mixed, and then the liquid fertilizer and the solution sequentially flow into the diffusion pipe section 34 and the liquid mixing pipe 10.

According to the static fertilizer mixing and pressurizing irrigation device with the multi-solution pipeline, provided by the invention, the liquid suction pipe 32 is provided with a flow valve. It can be understood that the liquid suction pipe 32 is provided with a flow valve to control the flow of the liquid fertilizer in the liquid suction pipe 32. It is worth mentioning that the active pumping of the liquid fertilizer to the liquid suction pipe 32 can be realized by arranging a pumping device correspondingly connected with the liquid suction pipe 32.

According to the static fertilizer mixing and pressurizing irrigation device with the multiple solution pipelines, provided by the invention, the liquid mixing pipe 10 is a transparent pipeline. It can be understood that the liquid mixing pipe 10 is a transparent pipeline, which facilitates real-time observation of the state of the fertilizer mixing solution in the liquid mixing pipe 10. The transparent material can be made of glass or polyethylene and has corrosion resistance.

The implementation process of the multi-solution pipeline static mixed fertilizer pressurizing irrigation device provided by the embodiment of the invention is as follows:

the water solution is input from a liquid inlet of the contraction pipe section 33, is subjected to speed increasing and pressure reducing, is further conveyed to the diffusion pipe section 34 through the throat pipe section 31, and is subjected to speed reducing and pressure increasing in the diffusion pipe section 34;

a liquid inlet and a liquid outlet of the throat pipe section 31 generate pressure difference, so that the liquid suction pipe 32 generates suction force, the liquid suction pipe 32 sucks corresponding liquid fertilizer, different liquid fertilizers synchronously enter the throat pipe section 31, and the liquid fertilizer and the water solution are preliminarily mixed to form mixed fertilizer solution;

after the mixed fertilizer solution is subjected to speed reduction and pressurization by the diffusion pipe section 34, the mixed fertilizer solution enters the liquid inlet of the mixed fertilizer pipe 10 from the liquid outlet of the diffusion pipe section 34, and flows through the support columns 43, so that the effect of separation and stirring is achieved, and further, under the drainage action of the static spiral fan 41, the mixed fertilizer solution flows in a vortex shape, and the uniformity of the mixed fertilizer solution is improved;

because the liquid mixing pipe 10 is conical, the pressure of the mixed fertilizer solution is enhanced due to the Bernoulli principle, and the mixed fertilizer solution is conveyed to the constant pressure valve 20 from the liquid outlet of the liquid mixing pipe 10, and the stable high-pressure mixed fertilizer solution is output under the limitation of the constant pressure valve 20;

the liquid outlet of constant pressure valve 20 sets up quick connector 21, conveniently connects irrigation line, accomplishes and irrigates, improves mixing efficiency and irrigation effect.

The multi-solution pipeline static mixed fertilizer pressurizing irrigation device comprises a liquid mixing pipe, a constant pressure valve, a multi-channel liquid conveying pipe and a static spiral part, wherein the constant pressure valve is arranged at the liquid outlet end of the liquid mixing pipe, the multi-channel liquid conveying pipe is arranged at the liquid inlet end of the liquid mixing pipe, and the static spiral part is arranged in the liquid mixing pipe and used for conducting drainage mixing on mixed fertilizer solution, so that synchronous and uniform mixing of various water fertilizers is achieved, the flowing pressure of the mixed fertilizer solution is increased, the pipeline arrangement is saved, the stability of the pressure of the mixed fertilizer solution is guaranteed, and the mixed fertilizer efficiency and the fertilizer application efficiency are improved.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.