CN111328669B - Cotton-flax infiltrating irrigation pipeline and processing method thereof - Google Patents
Cotton-flax infiltrating irrigation pipeline and processing method thereof Download PDFInfo
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- CN111328669B CN111328669B CN202010153090.3A CN202010153090A CN111328669B CN 111328669 B CN111328669 B CN 111328669B CN 202010153090 A CN202010153090 A CN 202010153090A CN 111328669 B CN111328669 B CN 111328669B
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- A—HUMAN NECESSITIES
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- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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Abstract
The invention relates to a cotton-flax infiltrating irrigation pipeline and a processing method thereof, the cotton-flax infiltrating irrigation pipeline is of a tubular structure, a pipe body is made of waste cotton and waste flax, and micropores which are uniformly distributed and have uncertain directions are formed in the pipeline, so that water can uniformly permeate from inside to outside through the micropores; the cotton-flax infiltrating irrigation pipeline comprises an inner pipe and an outer pipe, wherein the inner pipe is a hollow pipe formed by bonding cotton plates formed by low-temperature hot pressing of waste cotton; the outer pipe is formed by winding and bonding a fiber band on the outer surface of the inner pipe. The cotton and hemp infiltrating irrigation pipeline is environment-friendly, low in cost and degradable in material, and by using the product, fertilizer application can be reduced, water is saved by more than 40% compared with sprinkling irrigation, irrigation efficiency is high, and crop growth can be promoted. In addition, the cotton and hemp infiltrating irrigation pipeline is buried underground for use, and does not need to be taken out of the underground every year, so that labor force is saved.
Description
Technical Field
The invention relates to the technical field of agricultural irrigation, in particular to a cotton-flax infiltrating irrigation pipeline and a processing method thereof.
Background
With the steady increase of population, water becomes more and more important, water resources become more and more scarce, and the price becomes more and more expensive.
In the prior art, agricultural irrigation mostly adopts overground irrigation modes such as flood irrigation, spray irrigation or drip irrigation and adopts irrigation modes such as flood irrigation and spray irrigation, most of water is lost into air or seeps into deep soil due to evaporation, and plant roots cannot absorb the water, so that a large amount of waste is caused; and the large water flood irrigation can also have adverse effects on the soil, resulting in soil erosion and saline-alkali accumulation. The irrigation mode of drip irrigation is adopted, although the water-saving effect is better than that of flood irrigation and spray irrigation, part of water is lost to the air due to evaporation, and the problem of deep leakage exists near a dripper due to high water content.
Underground filtration irrigation can directly carry the crop root with moisture, reduces the evaporation loss of moisture, solves the problem of water waste, ultraviolet ray damage, artificial pipeline damage and soil erosion, but the filtration irrigation pipeline among the prior art uses PVC, PE material as the main, adopts to bury the easy jam of underground irrigation mode, and need take out washing, recovery from the underground every year, and the labour cost is high.
In addition, after the infiltrating irrigation pipeline is buried underground, the roots of the plants can gradually grow towards the infiltrating irrigation pipeline due to the instinct of absorbing water, and the roots of the plants can tightly wrap the infiltrating irrigation pipeline after a long time, so that the infiltrating irrigation pipeline is blocked.
Disclosure of Invention
The invention aims to provide a cotton and linen infiltrating irrigation pipeline, and the technical problems to be solved at least comprise how to avoid the infiltrating irrigation pipeline from being blocked and the labor cost consumed by taking out the infiltrating irrigation pipeline from the ground every year.
In order to achieve the purpose, the invention provides a cotton and linen infiltrating irrigation pipeline which is of a tubular structure, a pipe body is made of waste cotton and waste linen, micropores which are uniformly distributed and have uncertain directions are formed in the pipeline, and water can uniformly permeate through the micropores from inside to outside.
The cotton and linen infiltrating irrigation pipeline comprises an inner pipe and an outer pipe, wherein the inner pipe is a hollow pipe formed by bonding cotton plates formed by low-temperature hot pressing of waste cotton; the outer pipe is formed by winding and bonding a fiber band on the outer surface of the inner pipe.
The fiber belt is woven by waste hemp materials; the fiber tape has 30 warp yarns and 5 weft yarns.
A wedge-shaped gasket is arranged between the inner pipe and the outer pipe.
A plurality of concentration sensors are arranged between the inner pipe and the outer pipe; the concentration sensor is used for detecting the concentration of the root system growth inhibitor.
The water inlet of the cotton and linen infiltrating irrigation pipeline is also connected with the medicine storage tank through a medicine supply pipe; the medicine storage tank is filled with a root growth inhibitor; the medicine supply pipe is provided with a control valve for controlling the on-off of the medicine supply pipe; the control valve and the plurality of concentration sensors are electrically connected with the controller; the concentration sensors are used for detecting the concentration of the root growth inhibitor in the cotton and linen infiltrating irrigation pipeline and transmitting the detection result to the controller, a concentration standard value is preset in the controller, and when the concentration value detected by any one of the concentration sensors is greater than the concentration standard value, the controller immediately sends a control signal to the control valve on the pesticide supply pipe to control the control valve to be closed immediately; when the concentration values detected by all the concentration sensors are smaller than the concentration standard value, after a preset time, the controller sends a control signal to the control valve on the medicine supply pipe to control the control valve to open until the concentration values detected by all the concentration sensors are close to the concentration standard value, and the controller controls the control valve to stabilize the opening at the moment.
The controller still is connected with the power, the controller passes through power supply circuit and is connected with the power, power supply circuit includes:
a ninth resistor, a first end of which is connected with the positive electrode of the controller power supply, a second end of which is connected with one end of an eighth resistor, and the other end of the eighth resistor is grounded;
a tenth resistor, a first end of which is connected with the positive electrode of the controller power supply;
a reference electrode of the voltage stabilizing integrated chip is connected with the second end of the ninth resistor, a cathode of the voltage stabilizing integrated chip is connected with the second end of the tenth resistor, and an anode of the voltage stabilizing integrated chip is grounded;
one end of the eleventh resistor is connected with the second end of the tenth resistor, and the other end of the eleventh resistor is grounded;
the negative input end of the second operational amplifier is connected with the second end of the tenth resistor;
one end of the twelfth resistor is connected with the positive input end of the second operational amplifier, and the other end of the twelfth resistor is grounded;
one end of the sixth resistor is connected with the positive input end of the second operational amplifier, and the other end of the sixth resistor is connected with the power supply positive electrode of the controller;
one end of the third capacitor is connected with the positive input end of the second operational amplifier, and the other end of the third capacitor is connected with the power supply end of the second operational amplifier;
the base electrode of the transistor is connected with the output end of the second operational amplifier, and the emitting electrode of the transistor is grounded;
the input end of the third voltage-stabilizing integrated chip is connected with the collector of the transistor, and the reference voltage end of the third voltage-stabilizing integrated chip is connected with the positive electrode of the power supply of the controller;
the input end of the second integrated chip is connected with the output end of the third voltage-stabilizing integrated chip;
one end of the fifth capacitor is connected with the input end of the second integrated chip, and the other end of the fifth capacitor is grounded;
the cathode of the third diode is connected with the output end of the second integrated chip;
one end of the inductor is connected with the output end of the second integrated chip;
and one end of the fuse link is connected with the other end of the inductor, and the other end of the fuse link is connected with a power supply end of the controller.
Preferably, the third voltage stabilization integrated chip is integrated with a current conversion circuit, and the current conversion circuit is used for converting the current of the controller power supply into a proper current for the controller to use.
A plurality of the concentration sensor respectively through the conditioning circuit connection controller, the conditioning circuit includes:
a second diode, a cathode of which is connected to the concentration sensor;
one end of the first resistor is connected with a first power supply, and the other end of the first resistor is connected with the anode of the second diode;
a first end of the second resistor is connected with the anode of the second diode;
the cathode of the first diode is connected with the second end of the second resistor, and the anode of the first diode is grounded;
one end of the third resistor is connected with the second end of the second resistor;
the negative input end of the first operational amplifier is connected with the other end of the third resistor, and the output end of the first operational amplifier is connected with the controller;
one end of the second capacitor is connected with the negative input end of the first operational amplifier, and the other end of the second capacitor is connected with the positive input end of the first operational amplifier;
one end of the fourth capacitor is connected with the second end of the second resistor, and the other end of the fourth capacitor is grounded;
one end of the fifth resistor is connected with the positive input end of the first operational amplifier, and the other end of the fifth resistor is grounded;
one end of the fourth resistor is connected with the first power supply, and the other end of the fourth resistor is connected with the positive input end of the first operational amplifier;
one end of the seventh resistor is connected with the positive input end of the first operational amplifier, and the other end of the seventh resistor is connected with the output end of the first operational amplifier;
and one end of the first capacitor is connected with a first power supply, and the other end of the first capacitor is connected with the output end of the first operational amplifier.
The invention also provides a processing method of the cotton and linen infiltrating irrigation pipeline, which comprises the following steps:
firstly, adding a biological adhesive into waste cotton, and carrying out hot pressing at low temperature (below 60 ℃ but generally higher than 40 ℃) to form a cotton plate; micropores which are uniformly distributed and have indefinite directions are formed on the cotton board by puncture; cutting a cotton plate into a proper width according to the required diameter of the inner pipe, rolling the cotton plate into a cylinder shape before curing, and bonding the joints through a bonding agent to form a hollow pipe, namely the inner pipe;
secondly, weaving a fiber tape with 30 warps and 5 wefts by using waste hemp materials, wherein the width of the fiber tape is not less than 70cm (because the fiber tape needs to provide structural strength in the axial direction of the cotton and hemp infiltrating irrigation pipeline, the overall strength of the cotton and hemp infiltrating irrigation pipeline is affected by too small width);
thirdly, coating adhesive on the outer surface of the inner pipe, winding the fiber belt at a constant speed and bonding the fiber belt on the outer surface of the inner pipe to form an outer pipe, and adding a wedge-shaped gasket 5 between the inner pipe and the fiber belt in the winding process to avoid the fiber belt from forming wrinkles in the winding process; meanwhile, a concentration sensor is arranged between the adjacent wedge-shaped gaskets, and the wiring terminal of the concentration sensor is reserved to have enough length;
fourthly, after winding, drying in the shade for more than 12 hours at room temperature, sending the cotton and hemp infiltrating irrigation pipeline into a heater, and drying for 2 to 4 hours at a low temperature of less than 70 ℃.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that: the cotton-flax infiltrating irrigation pipeline adopts the cotton-flax material as the organic substance, is degraded after 2 years of use, can change waste into valuable, does not pollute the environment, can improve the organic matter content of soil by using the fertilizer generated by degradation, can increase the yield and the income by more than 20 percent, and has remarkable economic benefit. The product of the invention can reduce fertilizer application, saves water by more than 40% compared with spray irrigation, has high irrigation efficiency and can promote the growth of crops. In addition, compared with pipelines made of rubber, plastic and the like, the cost of the cotton and hemp raw materials is low; meanwhile, the cotton and hemp infiltrating irrigation pipeline is buried underground for use, and does not need to be taken out of the underground every year, so that labor force is saved.
In addition, the cotton and hemp infiltrating irrigation pipeline provided by the invention fully considers the influence of the growth of the plant root hairs on the infiltrating irrigation pipeline, inhibits the growth trend of the plant root hairs towards the infiltrating irrigation pipeline by an automatic means, does not damage the normal growth of the plant root hairs, and solves the technical problem of blockage of the infiltrating irrigation pipeline caused by the wrapping of the plant root hairs.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic structural view of the cotton and linen infiltrating irrigation pipeline of the present invention.
FIG. 2 is a cross-sectional view of the cotton-flax infiltration irrigation pipeline of the present invention.
Fig. 3 is a circuit diagram of the controller of the present invention.
Detailed Description
The present invention is described in more detail below to facilitate an understanding of the present invention.
As shown in fig. 1 and 2, the cotton and hemp infiltrating irrigation pipeline of the present invention is a tubular structure, the pipe body is made of waste cotton and waste hemp, the pipeline forms micropores with uniform distribution and irregular direction, the formed pipeline is not easy to break when bending, and the water content permeates uniformly from inside to outside.
Preferably, the cotton and linen infiltrating irrigation pipeline comprises an inner pipe 1 and an outer pipe 2, wherein the inner pipe is a hollow pipe formed by bonding cotton plates formed by low-temperature hot pressing of waste cotton; the outer tube is formed by winding and bonding a fiber tape 3 on the outer surface of the inner tube.
The fiber belt is woven by waste hemp materials.
The fiber tape has 30 warps and 5 wefts to ensure sufficient strength of the fiber tape.
The micropores 4 are uniformly distributed on the wall of the inner pipe.
Preferably, a fiber tape 3 is also bonded on the inner wall of the inner tube 1. The fiber band 3 is bonded on the inner wall, which is helpful for improving the structural strength of the inner pipe and avoiding the fracture of the cotton and linen infiltrating irrigation pipeline when the pipeline is bent.
A wedge-shaped gasket 5 is also arranged between the inner pipe 1 and the outer pipe 2. If do not set up wedge gasket 5, the fibre area inevitably can form sharp-pointed fold in the winding, sets up wedge gasket 5 and can avoid the fibre area to form the fold at the winding in-process effectively, guarantees that the fibre area closely laminates on the surface of inner tube 1.
When the cotton and linen infiltration irrigation pipeline is used, the cotton and linen infiltration irrigation pipeline is buried underground, a water inlet of the cotton and linen infiltration irrigation pipeline is communicated with a water supply port of a water source, and water enters the hollow pipe of the inner pipe 1 and uniformly permeates from inside to outside through the micropores 4.
After the cotton and hemp infiltrating irrigation pipeline is buried underground, the plant root hairs can gradually grow towards the infiltrating irrigation pipeline due to the instinct of absorbing water, and the infiltrating irrigation pipeline can be tightly wrapped by the plant root hairs after the time is long, so that the infiltrating irrigation pipeline is blocked.
In order to avoid the tight wrapping of the infiltrating irrigation pipeline by the root hairs of the plants, the applicant finds that the tendency of the root hairs of the plants towards the growing of the infiltrating irrigation pipeline can be inhibited by introducing a certain amount of root growth inhibitor into the cotton-flax infiltrating irrigation pipeline through a large number of experiments and combining with the working experience of many years. However, the type and concentration of the root growth inhibitor must be strictly limited, otherwise damage to the plant may occur.
In the test process, the applicant finds that dinitroaniline, trifluralin or pendimethalin have good root growth inhibition effect and can be used as a root growth inhibitor. The root growth inhibitor can be contained in the drug storage tank, and is fed into the water through the drug supply pipe connected between the drug storage tank and the water inlet of the cotton-flax infiltration irrigation pipeline, and the root growth inhibitor and the water enter the cotton-flax infiltration irrigation pipeline together and uniformly permeate from inside to outside through the micropores 4 together with the water.
In order to strictly control the concentration of the root growth inhibitor, a plurality of concentration sensors 7 are arranged between the inner pipe 1 and the outer pipe 2; the concentration sensor is used for detecting the concentration of the root system growth inhibitor.
The medicine supply pipe is provided with a control valve for controlling the on-off of the medicine supply pipe; control valve and a plurality of concentration sensor 7 with all be connected with the controller electricity, the controller still is connected with the power, the controller passes through power supply circuit and is connected with the power, as shown in figure 3, power supply circuit includes:
a ninth resistor R9, a first end of which is connected to the positive electrode of the controller power supply, a second end of which is connected to one end of an eighth resistor R8, and the other end of the eighth resistor R8 is grounded;
a tenth resistor R10, a first end of which is connected to the controller power supply positive electrode;
a reference electrode of the voltage stabilizing integrated chip is connected with the second end of the ninth resistor R9, a cathode of the voltage stabilizing integrated chip is connected with the second end of the tenth resistor R10, and an anode of the voltage stabilizing integrated chip is grounded;
an eleventh resistor R11, one end of which is connected to the second end of the tenth resistor R10, and the other end of which is grounded;
a negative input terminal of the second operational amplifier U2 connected to the second terminal of the tenth resistor R10;
a twelfth resistor R12, one end of which is connected to the positive input end of the second operational amplifier U2, and the other end of which is grounded;
a sixth resistor R6, one end of which is connected to the positive input end of the second operational amplifier U2, and the other end of which is connected to the positive electrode of the controller power supply;
a third capacitor C3, one end of which is connected to the positive input end of the second operational amplifier U2, and the other end of which is connected to the power supply end of the second operational amplifier U2;
a base electrode of the transistor Q is connected with the output end of the second operational amplifier U2, and an emitting electrode of the transistor Q is grounded;
the input end of the third voltage-stabilizing integrated chip is connected with the collector of the transistor Q, and the reference voltage end of the third voltage-stabilizing integrated chip is connected with the positive electrode of the power supply of the controller; preferably, the third voltage stabilization integrated chip may be integrated with a current conversion circuit, and convert the current to a suitable current for the controller to use.
The input end of the second integrated chip U4 is connected with the output end of the third voltage-stabilizing integrated chip U5;
a fifth capacitor C5, one end of which is connected to the input terminal of the second integrated chip U4, and the other end of which is grounded;
a cathode of the third diode D3 is connected with the output end of the second integrated chip U4;
an inductor L, wherein one end of the inductor L is connected with the output end of the second integrated chip U4;
one end of the fuse link F is connected with the other end of the inductor L, and the other end of the fuse link F is connected with a power supply end of the controller;
a plurality of the concentration sensor respectively through the conditioning circuit connection controller, the conditioning circuit includes:
a second diode D2 having a cathode connected to the concentration sensor;
a first resistor R1, one end of which is connected to the first power source V1 and the other end of which is connected to the anode of the second diode D2;
a second resistor R2, a first end of which is connected to the anode of the second diode D2;
a first diode D1, the cathode of which is connected to the second end of the second resistor R2, and the anode of which is grounded;
a third resistor R3, one end of the third resistor being connected to the second end of the second resistor R2;
the negative input end of the first operational amplifier U1 is connected with the other end of the third resistor R3, and the output end of the first operational amplifier U1 is connected with the controller;
a second capacitor C2, one end of which is connected to the negative input terminal of the first operational amplifier U1, and the other end of which is connected to the positive input terminal of the first operational amplifier U1;
a fourth capacitor C4, one end of which is connected to the second end of the second resistor R2, and the other end of which is grounded;
a fifth resistor R5, one end of which is connected to the positive input terminal of the first operational amplifier U1, and the other end of which is grounded;
a fourth resistor R4, one end of which is connected to the first power supply V1, and the other end of which is connected to the positive input terminal of the first operational amplifier U1;
a seventh resistor R7, one end of which is connected to the positive input terminal of the first operational amplifier U1, and the other end of which is connected to the output terminal of the first operational amplifier U1;
and a first capacitor C1, one end of which is connected to the first power supply V1, and the other end of which is connected to the output terminal of the first operational amplifier U1.
The working principle and the beneficial effects of the technical scheme are as follows: the concentration sensors are used for detecting the concentration of the root growth inhibitor in the cotton-flax infiltrating irrigation pipeline and transmitting the detection result to the controller, a concentration standard value is preset in the controller, and when the concentration value detected by any one of the concentration sensors is greater than the concentration standard value, the controller immediately sends a control signal to the control valve on the pesticide supply pipe to control the control valve to be closed immediately. The flowing water can dilute the root growth inhibitor due to continuous supply of the water, when concentration values detected by all the concentration sensors are smaller than a concentration standard value, after a preset time, the controller sends a control signal to the control valve on the medicine supply pipe to control the control valve to be opened slowly, and until the concentration values detected by all the concentration sensors are close to the concentration standard value, the controller controls the control valve to stabilize the opening at the moment.
In the power supply circuit, the voltage stabilization function is realized through U3, U4, U5 and D3, low-frequency filtering and high-frequency filtering are realized through C5, C3 and C4, overvoltage protection is realized through U3 and R8-13, and overcurrent protection is realized through L, F. The conditioning circuit realizes filtering and denoising through C1, C2 and C4, and realizes signal amplification and hysteresis comparison through U1, thereby ensuring reliable signal transmission.
The invention also provides a processing method of the cotton and linen infiltrating irrigation pipeline, which comprises the following steps:
firstly, adding a biological adhesive into waste cotton, and carrying out hot pressing at low temperature (below 60 ℃ but generally higher than 40 ℃) to form a cotton plate; micropores which are uniformly distributed and have indefinite directions are formed on the cotton board by puncture; cutting a cotton plate into a proper width according to the required diameter of the inner pipe, rolling the cotton plate into a cylinder shape before curing, and bonding the joints through a bonding agent to form a hollow pipe, namely the inner pipe;
secondly, weaving a fiber tape with 30 warps and 5 wefts by using waste hemp materials, wherein the width of the fiber tape is not less than 70cm (because the fiber tape needs to provide structural strength in the axial direction of the cotton and hemp infiltrating irrigation pipeline, the overall strength of the cotton and hemp infiltrating irrigation pipeline is affected by too small width);
thirdly, coating adhesive on the outer surface of the inner pipe, winding the fiber belt at a constant speed and bonding the fiber belt on the outer surface of the inner pipe to form an outer pipe, and adding a wedge-shaped gasket 5 between the inner pipe and the fiber belt in the winding process to avoid the fiber belt from forming wrinkles in the winding process; meanwhile, a concentration sensor is arranged between the adjacent wedge-shaped gaskets, and the wiring terminal of the concentration sensor is reserved to have enough length;
fourthly, after winding, drying in the shade for more than 12 hours at room temperature, sending the cotton and hemp infiltrating irrigation pipeline into a heater, and drying for 2 to 4 hours at a low temperature of less than 70 ℃.
Preferably, the biological binder is a starch-based binder, such as flour, glutinous rice flour or corn starch.
Further preferably, after the first step of hot pressing to form the cotton board, directly coating an adhesive on one surface of the cotton board, adhering a layer of flat fiber tape by using the adhesive, and then forming micropores which are uniformly distributed and have uncertain directions on the cotton board and the flat fiber tape by puncturing; cutting the cotton board bonded with the flat fiber belt into a proper width according to the required diameter of the inner pipe, rolling the cotton board into a cylinder shape before curing, and forming a hollow pipe at the joint through bonding agent to form the inner pipe.
The cotton and linen infiltrating irrigation pipeline disclosed by the invention is green and environment-friendly, low in cost and degradable in material.
In the actual use process, the infiltrating irrigation pipeline is not similar to a common PVC water conveying pipeline, and in order to ensure the water conveying uniformity and the pressure stability, the laying length of the existing infiltrating irrigation pipeline in the field is within 200m, and most of the existing infiltrating irrigation pipeline is within 100 m. Need install many filtration irrigation pipelines in an irrigation district, if set up a plurality of consistency transmitter at every pipeline body, because consistency transmitter is close to the root system, measuring result can be more accurate, but correspondingly makes irrigation system slightly show complicacy, implements to have certain degree of difficulty.
In order to simplify the irrigation system, as a parallel alternative, a representative infiltrating irrigation pipeline can be selected in each irrigation cell, for example, 1 pipe closest to the water source, 1 pipe in the middle and 1 pipe at the tail end are selected as representative installation concentration sensors to control the application concentration.
The invention also provides another alternative parallel technical scheme, namely, a position for installing the concentration sensor is reserved in the infiltrating irrigation pipeline, when a client installs the infiltrating irrigation pipeline in the field, the pipeline provided with the sensor can be installed in an area where the concentration sensor needs to be arranged, and the pipeline without the sensor is installed in an area where the concentration sensor does not need to be arranged, so that the infiltrating irrigation pipeline is more economical.
The foregoing describes preferred embodiments of the present invention, but is not intended to limit the invention thereto. Modifications and variations of the embodiments disclosed herein may be made by those skilled in the art without departing from the scope and spirit of the invention.
Claims (5)
1. A cotton-flax infiltrating irrigation pipeline is characterized in that the cotton-flax infiltrating irrigation pipeline is of a tubular structure, a pipe body is made of waste cotton and waste flax, micropores which are uniformly distributed and have uncertain directions are formed in the pipeline, and water can uniformly permeate through the micropores from inside to outside;
the cotton and linen infiltrating irrigation pipeline comprises an inner pipe and an outer pipe, wherein the inner pipe is a hollow pipe formed by bonding cotton plates formed by low-temperature hot pressing of waste cotton; the outer pipe is formed by winding and bonding a fiber band on the outer surface of the inner pipe;
the fiber belt is woven by waste hemp materials; the fiber tape has 30 warps and 5 wefts;
a wedge-shaped gasket is arranged between the inner pipe and the outer pipe;
a plurality of concentration sensors are arranged between the inner pipe and the outer pipe; the concentration sensor is used for detecting the concentration of the root growth inhibitor;
the water inlet of the cotton and linen infiltrating irrigation pipeline is also connected with the medicine storage tank through a medicine supply pipe; the medicine storage tank is filled with a root growth inhibitor; the medicine supply pipe is provided with a control valve for controlling the on-off of the medicine supply pipe; the control valve and the plurality of concentration sensors are electrically connected with the controller; the concentration sensors are used for detecting the concentration of the root growth inhibitor in the cotton and linen infiltrating irrigation pipeline and transmitting the detection result to the controller, a concentration standard value is preset in the controller, and when the concentration value detected by any one of the concentration sensors is greater than the concentration standard value, the controller immediately sends a control signal to the control valve on the pesticide supply pipe to control the control valve to be closed immediately; when the concentration values detected by all the concentration sensors are smaller than the concentration standard value, after a preset time, the controller sends a control signal to the control valve on the medicine supply pipe to control the control valve to open until the concentration values detected by all the concentration sensors are close to the concentration standard value, and the controller controls the control valve to stabilize the opening at the moment.
2. The infiltration irrigation pipeline of cotton-flax of claim 1, characterized in that the controller is still connected with the power, the controller passes through power supply circuit and is connected with the power, power supply circuit includes:
a ninth resistor, a first end of which is connected with the positive electrode of the controller power supply, a second end of which is connected with one end of an eighth resistor, and the other end of the eighth resistor is grounded;
a tenth resistor, a first end of which is connected with the positive electrode of the controller power supply;
a reference electrode of the voltage stabilizing integrated chip is connected with the second end of the ninth resistor, a cathode of the voltage stabilizing integrated chip is connected with the second end of the tenth resistor, and an anode of the voltage stabilizing integrated chip is grounded;
one end of the eleventh resistor is connected with the second end of the tenth resistor, and the other end of the eleventh resistor is grounded;
the negative input end of the second operational amplifier is connected with the second end of the tenth resistor;
one end of the twelfth resistor is connected with the positive input end of the second operational amplifier, and the other end of the twelfth resistor is grounded;
one end of the sixth resistor is connected with the positive input end of the second operational amplifier, and the other end of the sixth resistor is connected with the power supply positive electrode of the controller;
one end of the third capacitor is connected with the positive input end of the second operational amplifier, and the other end of the third capacitor is connected with the power supply end of the second operational amplifier;
the base electrode of the transistor is connected with the output end of the second operational amplifier, and the emitting electrode of the transistor is grounded;
the input end of the third voltage-stabilizing integrated chip is connected with the collector of the transistor, and the reference voltage end of the third voltage-stabilizing integrated chip is connected with the positive electrode of the power supply of the controller;
the input end of the second integrated chip is connected with the output end of the third voltage-stabilizing integrated chip;
one end of the fifth capacitor is connected with the input end of the second integrated chip, and the other end of the fifth capacitor is grounded;
the cathode of the third diode is connected with the output end of the second integrated chip;
one end of the inductor is connected with the output end of the second integrated chip;
and one end of the fuse link is connected with the other end of the inductor, and the other end of the fuse link is connected with a power supply end of the controller.
3. The infiltration irrigation pipeline of cotton and linen according to claim 2, wherein the third voltage-stabilizing integrated chip is integrated with a current conversion circuit, and the current conversion circuit is used for converting the current of the controller power supply into a proper current for the controller to use.
4. The infiltration irrigation pipeline of cotton and linen according to claim 2, wherein a plurality of said concentration sensors are connected to the controller through conditioning circuits respectively, said conditioning circuits comprising:
a second diode, a cathode of which is connected to the concentration sensor;
one end of the first resistor is connected with a first power supply, and the other end of the first resistor is connected with the anode of the second diode;
a first end of the second resistor is connected with the anode of the second diode;
the cathode of the first diode is connected with the second end of the second resistor, and the anode of the first diode is grounded;
one end of the third resistor is connected with the second end of the second resistor;
the negative input end of the first operational amplifier is connected with the other end of the third resistor, and the output end of the first operational amplifier is connected with the controller;
one end of the second capacitor is connected with the negative input end of the first operational amplifier, and the other end of the second capacitor is connected with the positive input end of the first operational amplifier;
one end of the fourth capacitor is connected with the second end of the second resistor, and the other end of the fourth capacitor is grounded;
one end of the fifth resistor is connected with the positive input end of the first operational amplifier, and the other end of the fifth resistor is grounded;
one end of the fourth resistor is connected with the first power supply, and the other end of the fourth resistor is connected with the positive input end of the first operational amplifier;
one end of the seventh resistor is connected with the positive input end of the first operational amplifier, and the other end of the seventh resistor is connected with the output end of the first operational amplifier;
and one end of the first capacitor is connected with a first power supply, and the other end of the first capacitor is connected with the output end of the first operational amplifier.
5. The method for processing the cotton and hemp infiltrating irrigation pipeline according to any one of claims 1-4, wherein the method comprises the following steps:
firstly, adding a biological adhesive into waste cotton, and performing low-temperature hot pressing to form a cotton board; micropores which are uniformly distributed and have indefinite directions are formed on the cotton board by puncture; cutting a cotton plate into a proper width according to the required diameter of the inner pipe, rolling the cotton plate into a cylinder shape before curing, and bonding the joints through a bonding agent to form a hollow pipe, namely the inner pipe;
secondly, weaving a fiber tape with 30 warps and 5 wefts by using waste hemp materials, wherein the width of the fiber tape is not less than 70 cm;
thirdly, coating adhesive on the outer surface of the inner pipe, winding the fiber belt at a constant speed and bonding the fiber belt on the outer surface of the inner pipe to form an outer pipe, and adding a wedge-shaped gasket between the inner pipe and the fiber belt in the winding process to prevent the fiber belt from forming wrinkles in the winding process; meanwhile, a concentration sensor is arranged between the adjacent wedge-shaped gaskets, and the wiring terminal of the concentration sensor is reserved to have enough length;
fourthly, after winding, drying in the shade for more than 12 hours at room temperature, sending the cotton and hemp infiltrating irrigation pipeline into a heater, and drying for 2 to 4 hours at a low temperature of less than 70 ℃.
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