CN111360049B - Paddy field soil remediation agent spreading equipment and using method - Google Patents

Abstract

The utility model provides a paddy field soil remediation medicament spills equipment of executing, includes compounding device, long suction tube and the conveyor that connects in order, the compounding device includes the compounding case, the compounding case is the empty case of rectangle, and upper portion is equipped with loudspeaker form feed inlet, the feed inlet lower part is provided with feed valve, be equipped with a plurality of intensive arrangement's aperture on the lateral wall of lower part in the compounding case, the lower part is equipped with short suction tube in the compounding case, short suction tube one end is fixed in compounding bottom of the case portion, and the other end exposes in the one end that the compounding case is used for connecting long suction tube outward. The invention adopts the idea of 'equipment is immobile-human-mobile', so that construction operation can be conveniently carried out in a flooded paddy field, the defect that the existing equipment is heavy and needs to carry partial soil remediation agent additionally, so that the equipment is difficult to operate because the equipment is easily sunk into sludge is overcome, and meanwhile, dust dispersion is reduced, and the health and ecological environment of a human body are protected.

Description

Paddy field soil remediation agent spreading equipment and using method

Technical Field

The invention belongs to the technical field of soil remediation appliances, and particularly relates to paddy field soil remediation agent broadcasting equipment and a method.

Background

With the advent and implementation of the action plan for soil pollution control and the law for soil pollution control of the republic of Chinese people, more and more soil remediation projects are being developed in various places. In farmland soil remediation, in order to reduce the content of heavy metals in effective state in soil, a special soil remediation agent is often applied to a farmland by using a spreader.

At present, the application mode of hanging a broadcast bucket behind a tractor is the most common application mode, namely, transporting and broadcasting the soil remediation agent by the power of the tractor. The invention discloses a suspension type soil remediation agent spreading device as the Chinese invention patent with application number 201810836602.9, which comprises a storage hopper, a main body frame, a sprinkler and a power converter, wherein the storage hopper is placed on the main body frame, a discharge hole is formed in the bottom of the storage hopper, a bottom bracket is arranged at the bottom of the main body frame, the sprinkler is installed on the bottom bracket, the top of the sprinkler corresponds to the discharge hole of the storage hopper, the power converter is arranged at the bottom of the sprinkler, a power input roller is installed on the bottom bracket, the power input roller is in power connection with the power converter, and the power converter is used for converting and outputting the power input roller to the sprinkler and driving the sprinkler to work; and one side of the main body frame, which is close to the power input roller, is provided with a plurality of suspension joints.

There are also some push type spreading devices for dry land. If the utility model discloses a chinese utility model patent, application number 201821256248.4 discloses a broadcast application equipment of farmland contaminated soil remediation agent, including the material frame, the feed inlet has been seted up at the top of material frame, the inside of material frame is provided with the discharge roller rather than the looks adaptation, the bottom of discharge roller runs through the material frame and extends to its outside, the blown down tank of equidistance range is seted up on the surface of discharge roller, the equal fixedly connected with roller bearing in the left and right sides of discharge roller, this is novel through the discharge roller, the blown down tank, the roller bearing, the bracing piece, first drive wheel, driving motor, the drive shaft, the second drive wheel, first belt, the connecting rod, the connecting plate, spill the charging tray, spill the material axle, first conical gear, a bearing, second conical gear, the pivot, mutually support between third drive wheel and the second belt, the broadcast application of farmland contaminated soil remediation agent has been realized.

However, the farmland soil restoration and treatment scene is very complicated, and more flooded paddy fields exist in the concrete restoration and treatment practice. The above-mentioned apparatus also has some problems in use in flooded paddy fields: firstly, the soil of the flooded paddy field is soft and has small bearing capacity, so that the equipment is difficult to move in the flooded paddy field; secondly, large-area operation is difficult to carry out; and thirdly, much dust is scattered when the powdery soil remediation agent is applied.

Disclosure of Invention

In order to overcome the problems in the prior art, the invention provides paddy field soil remediation agent spreading equipment and a method which can be applied in a saline paddy field scene, are convenient to operate and have less dust in the operation process.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a paddy field soil remediation agent broadcasting device comprises a mixing device, a long suction pipe and a conveying device which are connected in sequence, wherein the mixing device comprises a mixing box, the mixing box is a rectangular hollow box, a horn-shaped feed port is formed in the upper portion of the mixing box, a feed valve is arranged at the lower portion of the feed port and used for controlling the speed of a soil remediation agent in the feed port falling into the mixing box, a plurality of small holes which are arranged densely are formed in the side wall of the lower portion of the mixing box and mainly used for water in a flooded paddy field to flow into the mixing box, a short suction pipe is arranged at the lower portion of the mixing box, one end of the short suction pipe is fixed to the bottom of the mixing box, and the other end of the short suction pipe is exposed out of the mixing box and used for connecting one end of the long suction pipe;

the using method comprises the following steps:

s1: digging a 5-10cm deep paddy field with an area of 1m at one corner of a flooded paddy field²The mixing box is arranged in the water pit, so that water in the paddy field flows into the mixing box through the small holes;

s2: connecting the mixing box with a conveying device by using a long suction pipe;

s3: closing the feeding valve, pouring the soil remediation agent into the feeding hole, and controlling the speed of the soil remediation agent entering the mixing box through the feeding valve;

s4: and starting the conveying device, opening the feeding valve and conveying the soil remediation agent slurry to the to-be-worked area.

Furthermore, the short suction pipe is 7 types, and its long section stretches into the mixing box and pastes on the mixing box inner wall, and the short section exposes outside the mixing box through the mounting for provide the interface that links to each other with the long suction pipe. Set up short suction tube and fall into and the materials is minimum for 7 style of calligraphy purposes can not block the medicament that gets into from the feed inlet downwards, prevents that short suction tube from causing the bending in the compounding case overlength, makes preliminary mixed medicament unable through short suction tube.

Furthermore, the diameter of the small holes is 3-7mm, the distance between the lowest small hole and the bottom of the mixing box is 5-10cm, and the diameter of the small holes is 3-7mm, so that water in a paddy field can flow into the mixing box conveniently, and mechanical impurities in the water can be filtered.

Furthermore, an opening is formed in the upper portion of the side wall of the mixing box and used for observing the condition in the mixing box.

Furthermore, be equipped with the pole of lifting that is used for removing the mixing box on the mixing box outside lateral wall for lift whole mixing box, play the effect of removing the mixing box.

Further, conveyor includes water pump and injection pipe, the water pump is the fuel self priming pump, and power is 1 ~ 2kw, the water pump includes import and export, the other end of import and long suction tube, the export links to each other with the one end of injection pipe.

Further, conveyor includes the frame, the water pump is fixed in on the frame for protect the water pump and provide the carrier for the water pump.

Further, the injection pipe is a hose or a waterproof bag for folding and series connection of a plurality of pipes.

The specific application method of the paddy field soil remediation agent broadcasting equipment comprises the following steps:

s1 digging a part of the flooded paddy field 5-10cm deeper and 1m in area than the other parts²The mixing box is arranged in the water pit, so that water in the paddy field flows into the mixing box through the small holes;

s2, connecting the mixing box with a water pump by using a long suction pipe, and connecting one end of a spray pipe to the outlet of the water pump;

s3, closing the feeding valve, pouring the soil remediation agent into the feeding hole, and controlling the speed of the soil remediation agent entering the mixing box through the feeding valve;

and S4, dragging the water gap of the injection pipe to the corresponding area to be worked, starting the water pump, opening the feeding valve, and controlling the water outlet of the injection pipe to spray soil remediation agent slurry to the area to be worked.

And after the broadcasting in one construction area is finished, disassembling the long suction pipe and the injection pipe, conveying the equipment to the corresponding position of the next construction unit by using a conveying tool, and repeating the steps.

The working principle of the application is as follows: before the construction, the operation personnel calculate the total amount of soil repairing agent that needs to use per mu, close the feed valve, pour soil repairing agent into tubaeform feed inlet, start the water pump, can carry out preliminary water along with the disturbance of the water in the compounding box after soil repairing agent gets into the compounding box under certain speed and mix, enter into short suction tube and long suction tube afterwards, the secondary mixing under the stirring of turbulence effect and water pump in the pipe, form the thick liquid. In the operation process, the medicament-water slurry can be continuously pumped away by the suction pipe to form negative pressure, so that the outside water can continuously enter the mixing box, the inside water cannot flow outwards, the medicament flows along with the water, and the problem of medicament outflow cannot exist.

The concentration of the soil remediation agent in the application does not need to be accurately controlled to a fixed amount of the soil remediation agent dissolved in a fixed amount of water, because in the operation process, the water only plays a role of a carrier as long as the total amount (dry weight) of the soil remediation agent applied per mu is reached. The operator will decide the staying time in a field according to the amount of the material until the dosage of the medicine reaches the set amount.

The application needs 2 operating personnel altogether in the use, and wherein 1 of controller and material loading person, injection pipe operator 1, the speed that the material loading person controlled soil remediation agent and got into the compounding case, and the material loading stops when the medicament quantity reaches the quantity of settlement simultaneously, realizes continuous operation in fixed construction unit.

The invention has the following beneficial effects:

(1) the paddy field soil remediation agent spreading equipment provided by the invention can be operated in a flooded paddy field, and adopts the idea of 'equipment immobilization-human action', namely, a mixing device and a water pump are fixed in one place and are immobilized, and soil remediation agent slurry can be applied to the corresponding position of a field block by standing a human-controlled spray pipe orifice on a ridge, so that construction operation can be conveniently carried out in the flooded paddy field, and the defect that the equipment is difficult to operate because the existing equipment is heavy and needs to carry part of soil remediation agent in addition, is overcome.

(2) The method adopts multipoint mobile operation, namely, a repair area is divided into a plurality of construction units, and after the construction of each construction unit is finished, the equipment is moved to the next unit for continuous construction. The length of the spray pipe can reach 50m, and the area of each construction unit can reach 11.8 mu according to the application radius. In addition, the equipment is light in total and can move quickly, 6-8 construction units (about 70-94 mu) can be flooded in paddy fields every day, and large-area flooded paddy field operation is realized.

(3) According to the invention, the soil remediation agent is mixed with water in advance through the mixing device, and then is further mixed through the water pipe and the water pump to form slurry, so that the condition of powder dispersion is greatly reduced, and the human health and the ecological environment are protected.

Drawings

FIG. 1 is a schematic structural view of a mixing device;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a schematic diagram of a water pump;

FIG. 4 is a schematic view of a long suction tube;

FIG. 5 is a schematic view of a jet stack arrangement;

the above-mentioned reference numerals:

11. a mixing box; 12. a feed inlet; 13. a feed valve; 14. a small hole; 15. a short suction tube; 16. a fixing member; 17. an opening; 18. lifting the rod;

21. a long suction tube;

31. a water pump; 32. an injection pipe; 33. an inlet; 34. an outlet; 35. a frame.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully and in detail below with reference to the accompanying drawings and examples, but the scope of the present invention is not limited to the following specific examples.

As shown in fig. 1-5, this embodiment provides a paddy field soil remediation agent broadcasting equipment, including the compounding device, long suction pipe 21 and the conveyor that connect in order, wherein the compounding device includes mixing box 11, the mixing box is the rectangle empty box, the upper portion is equipped with tubaeform feed inlet 12, feed inlet 12 lower part is provided with feed valve 13, through the speed that push-and-pull control soil remediation agent falls into mixing box 11 in the feed inlet, be equipped with a plurality of densely arranged apertures 14 on the lower part lateral wall, the lower part is equipped with short suction pipe 15 in the mixing box, wherein short suction pipe 15 is 7 style of calligraphy, its long section stretches into mixing box 11 and pastes on mixing box 11 inner wall, the short section exposes out mixing box 11 through mounting 16 and links to each other with long suction pipe 21.

Preferably, the long section of the short suction tube 15 is fixed in the mixing box 11 with the lowest end 10cm from the bottom of the mixing box 11.

Preferably, apertures 14 are 5mm in diameter and the lowermost aperture is 10cm from the bottom of mixing box 11. these apertures 14 allow water from flooded paddy fields to flow into mixing box 11 and filter out mechanical impurities from the water. An opening 17 is formed in the upper portion of the side wall of the mixing box 11 and is rectangular in shape for observing the conditions in the mixing box 11.

Preferably, the outer side wall of the mixing box 11 is provided with four lifting rods 18 for moving the mixing box, and as a preferred embodiment, the four lifting rods 18 are respectively arranged at four opposite upper corners of the mixing box in a welding manner for lifting the whole mixing box 11.

The conveying device comprises a water pump 31 and an injection pipe 32, wherein the water pump is a fuel oil self-sucking pump, the power is 2kw, the water pump comprises an inlet 33 and an outlet 34, the inlet 33 is connected with the other end of the long suction pipe 21, the outlet 34 is connected with one end of the injection pipe 36, the water pump is fixed on a frame 35, and the frame 35 is formed by welding stainless steel bars and used for protecting the water pump and providing a carrier for the water pump.

In a preferred embodiment, the long suction pipe 21 is made of plastic, has a certain binding strength, can be bent and can bear external pressure caused by negative pressure in the pipe when being sucked by a water pump, and has a length of 3 m. The injection pipe 36 is a hose or a fire hose, and can be folded, and a plurality of pipes can be connected in series, and the total length is 50 m.

The soil remediation agent application test in Jingyan county, Sichuan province: in 2019, in 5 months, 862 acres of soil remediation agent are broadcast by the equipment of the embodiment 1 of the invention in the Kyoho Zhen village in the Jing and research county of Sichuan province. The method comprises the following steps:

s1: digging a spade at one corner (a ridge beside the paddy field is easy to operate and stack soil remediation agent) of a flooded paddy field in a civil village, wherein the depth of the spade is 10cm and the area of the spade is 1m larger than that of other parts of the paddy field²And placing the mixer in this sump.

S2: one end of the short suction pipe of the mixer, which is exposed out of the box body, is connected with the inlet of the water pump by the long suction pipe, the spraying pipe is connected in series according to the required length, and one end of the spraying pipe is connected to the outlet of the water pump.

S3: and closing the feeding valve, pouring the bagged soil remediation agent into the horn-shaped opening of the feeding hole, and controlling the speed of the bagged soil remediation agent entering the mixing box by pushing and pulling the feeding valve.

S4: and dragging the water outlet of the injection pipe to a corresponding construction position, starting a water pump, opening a feeding valve, and controlling the injection water outlet to spray soil remediation agent slurry to the relevant area.

And (4) disassembling the long suction pipe and the injection pipe after one construction unit is completely applied, conveying the equipment to the corresponding position of the next construction unit by using a conveying tool, and repeating the steps until spraying in all areas is completed.

The soil remediation agent application method for the flooded field has the overall operation effects that: the number of operators is 2, wherein the controller is 1 of the loading personnel, and the number of the injection pipe operators is 1. After the repairing agent is applied for 10.5 days, the repairing area is 862 mu, the per-capita working efficiency is 41 mu/day, which is 5.86 times of the traditional manual operation (the average working efficiency is 7 mu/day), and the working efficiency is greatly improved. In addition, in the operation process, secondary dust pollution in the spreading process of the traditional equipment is avoided.

The working principle of the application is as follows: before the construction, the operation personnel calculate the total amount of soil repairing agent that needs to use per mu, close the feed valve, pour soil repairing agent into tubaeform feed inlet, start the water pump, can carry out preliminary water along with the disturbance of the water in the compounding box after soil repairing agent gets into the compounding box under certain speed and mix, enter into short suction tube and long suction tube afterwards, the secondary mixing under the stirring of turbulence effect and water pump in the pipe, form the thick liquid. In the operation process, the medicament-water slurry can be continuously pumped away by the suction pipe to form negative pressure, so that the outside water can continuously enter the mixing box, the inside water cannot flow outwards, the medicament flows along with the water, and the problem of medicament outflow cannot exist.

The concentration of the soil remediation agent in the application does not need to be accurately controlled to a fixed amount of the soil remediation agent redundant fixed amount of water, because in the operation process, as long as the total amount (dry weight) of the soil remediation agent applied per mu reaches, the water only plays a role of a carrier. The operator will decide the staying time in a field according to the amount of the material until the dosage of the medicine reaches the set amount.

In conclusion, the paddy field soil remediation agent spreading equipment provided by the invention adopts the ideas of 'equipment immobilization-human motion' and 'multi-point motion', and overcomes the defect that the existing equipment is not only heavy, but also needs to carry part of soil remediation agent additionally, so that the equipment is difficult to operate because the equipment is easy to sink into silt when the equipment is used in a flooded paddy field.

The foregoing is a further detailed description of the invention in connection with specific preferred embodiments and is not intended to limit the invention to the specific embodiments described. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims (2)

1. A paddy field soil remediation medicament broadcasting device is characterized by comprising a mixing device, a long suction pipe and a conveying device which are connected in sequence, wherein the mixing device comprises a mixing box, the mixing box is a rectangular hollow box, a horn-shaped feed inlet is formed in the upper portion of the mixing box, a feeding valve is arranged at the lower portion of the feed inlet, a plurality of densely arranged small holes are formed in the side wall of the lower portion of the mixing box, the diameter of each small hole is 3-7mm, the distance between the lowest small hole and the bottom of the mixing box is 5-10cm, a short suction pipe is arranged at the lower portion of the mixing box, one end of the short suction pipe is fixed at the bottom of the mixing box, the other end of the short suction pipe is exposed out of the mixing box and is used for connecting one end of the long suction pipe, the short suction pipe is 7-shaped, the long section of the short suction pipe extends into the mixing box and is attached to the inner wall of the mixing box, and the short section of the short suction pipe is exposed out of the mixing box through a fixing piece;

an opening is formed in the upper part of the side wall of the mixing box;

the conveying device comprises a frame, the water pump is fixed on the frame, and the frame is used for protecting the water pump and providing a carrier for the water pump;

a lifting rod for moving the mixing box is arranged on the outer side wall of the mixing box;

the spraying pipe is a hose or a waterproof bag, is 30-50 m long, and is used for folding and connecting a plurality of spraying pipes in series;

the using method comprises the following steps:

s1: digging a 5-10cm deep paddy field with an area of 1m at one corner of a flooded paddy field²The mixing box is arranged in the water pit, so that water in the paddy field flows into the mixing box through the small holes;

s2: connecting the mixing box with a conveying device by using a long suction pipe;

s3: closing the feeding valve, pouring the soil remediation agent into the feeding hole, and controlling the speed of the soil remediation agent entering the mixing box through the feeding valve;

s4: and starting the conveying device, opening the feeding valve and conveying the soil remediation agent slurry to the to-be-worked area.

2. The paddy field soil remediation agent broadcasting equipment as claimed in claim 1, wherein the water pump is a fuel oil self-priming pump, and the power is 1-2 kw.

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