JP2608697B2 - Soil spraying equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to relates to a soil spraying apparatus, the inner
Mixing seeds, fertilizers, etc. with exhaust gas discharged from the combustion engine
About what to spray the combined soil.

[0002]

2. Description of the Related Art Conventionally, as this type of spraying apparatus, for example, as described in Japanese Patent Application Laid-Open No. Hei 5-276819, one end of a transfer pipe is connected to an internal combustion engine via cooling means. A spray nozzle is connected to the other end of the transfer pipe, and a discharge pipe for discharging the load and a bypass pipe for supplying exhaust gas are connected between the middle of the transfer pipe and the container that stores the load. The exhaust pipe is provided with a flow controller, and the exhaust gas discharged from the internal combustion engine is cooled by cooling means and transported by the transport pipe, and a part of the exhaust gas is supplied from the bypass pipe into the container. In addition, a configuration is known in which the conveyed object discharged from the discharge pipe is conveyed by the exhaust gas and supplied to the spray nozzle.

[0003]

In the spraying device described in the above-mentioned publication, when the object to be conveyed contained in the container, that is, the object to be sprayed by the spraying nozzle has a high fluidity, the container is placed in the container. Although it is smoothly discharged from the discharge pipe and flow controller to the transport pipe, if the scattered material is low in fluidity or easily solidified, these scattered materials are blocked in the discharge pipe and flow controller. It is not easy to smoothly discharge to the transport pipe, and when the spray nozzle breaks down and the spread object cannot be sprayed, the spread object easily flows back to the discharge pipe and the flow rate controller. There's a problem.

[0004] The present invention has been made in view of these points, the fluidity is high soil as well fluidity is low soil and lumps easily soil in exhaust gas discharged from an internal combustion engine
Soil from the discharge pipe and the flow control valve can be discharged smoothly to the distribution conduit without clogging, also or spraying nozzles
Can prevent the soil from flowing back to the discharge pipe and the flow control valve even in the event that the soil cannot be sprayed.
Or spray nozzle the soil to be discharged from the discharge pipe in the exhaust gas
It is an object to provide a soil spraying device capable of al sufficiently sprayed.

[0005]

SUMMARY OF THE INVENTION The soil spraying apparatus comprising an internal combustion engine and, seeds, and a closable container for containing the soil mixed with fertilizer, contained soil in the container <br And a discharge pipe communicating with the bottom of the container and discharging the soil in the container, and guiding exhaust gas discharged from the internal combustion engine through the discharge pipe. > the spraying conduit for supplying the soil discharged from the discharge pipe in the exhaust gas is led to the spray nozzle, set in the discharge pipe
Of soil discharged from the container to the spraying conduit
Adjust the emissions and allow the soil to flow back
A flow control valve to reduce adjusting the emissions, guide the container
A compressor for supplying compressed air to pressurize the soil communicated with the container via a tube, provided in the conduit the
The pressure of the compressed air supplied from the compressor into the vessel
Adjust the pressure and the internal pressure of this vessel to above the set pressure
A pressure regulating valve for regulating the pressure in the container when the pressure is increased .

[0006] The soil spraying device according to the second aspect is the first aspect.
In the described soil spraying device, the spraying conduit is communicated with a cooling means for cooling exhaust gas discharged from the internal combustion engine ,
Part of the exhaust gas discharged from the internal combustion engine
It has a bypass pipe provided with a check valve for supplying .

[0007]

[Action] In the soil spray device according to claim 1, by the compressed air is supplied into the sealed containers from the compressor, seeds housed in the vessel at the compressed air, fertilizer
With soil is pressurized mixed with, the soil containers
Is forcibly discharged from the discharge pipe connected to the bottom of the hopper toward the spraying conduit. At this time, the location adjusted by the flow control valve
A fixed amount of soil is discharged from the discharge pipe into the spray conduit.

[0008] Another aspect of the compressed air is supplied into the container
On the other hand, when the exhaust gas discharged from the internal combustion engine is led to the spray nozzle by the spray pipe, the soil discharged from the discharge pipe to the spray pipe by the exhaust gas is supplied to the spray nozzle, and the spray nozzle supplies the soil to the spray nozzle. The soil is sprayed with the exhaust gas .

At this time, the soil in the closed container is pressurized by compressed air supplied from a compressor, so that not only soil having high fluidity but also soil having low fluidity and soil which is easy to solidify can be obtained. These soils are discharged from the discharge pipe to the spray pipe without being clogged in the discharge pipe, and are smoothly supplied to the spray nozzle by the exhaust gas.

In addition, the spray nozzle is clogged and
The situation where the soil cannot be sprayed and the
When the excavated soil is going to flow backward,
The Rukoto to reduce adjust emissions, given the spraying conduit
Quantity of soil is released and this soil flows back into the drain
The soil is sprayed together with the exhaust gas at the spray nozzle .

Further, by adjusting the pressure of the pressure adjusting valve, compressed air having an optimum pressure for pressurizing the soil is supplied into the container, thereby preventing occurrence of an unexpected situation. Sand
When the internal pressure of the container rises above the set pressure,
Unexpected by adjusting the pressure inside the container with the pressure control valve
Is prevented from occurring.

[0012] In the soil spray apparatus of claim 2 wherein the spraying conduit by being communicated with the cooling means for cooling the exhaust gas discharged from an internal combustion engine, the exhaust gas in the cooling means is sufficiently cooled Soil is fed to the spraying nozzle and the cooled exhaust gas feeds the soil without adverse thermal effects. Therefore, it is preferable in the case of soil which is easily affected by thermal effects.

Further, spraying conduit by having a bypass pipe provided with a check valve to be supplied to the container part of the exhaust gas discharged from an internal combustion engine, sealed at the exhaust gas supplied from the bypass pipe The soil in the container is fluidized,
This soil becomes in a state easily discharged from the discharge pipe.

At this time, even if compressed air is supplied from the compressor into the closed container, the bypass pipe has a check valve for preventing exhaust gas from flowing back to the spraying conduit side. This prevents the compressed air in the container from leaking.

[0015]

An embodiment of the present invention will be described below with reference to the drawings.

1 is a powdery soil A obtained by mixing seeds, fertilizers , aqueous solutions of water and pesticides, soil improvers, artificial soils and the like.
The container 1 is formed so as to be hermetically sealable,
An outlet 3 is formed on one side of the bottom 2 so as to open.

Further, a discharge pipe 4 communicating with the discharge port 3 is connected to the discharge port 3 in an airtight manner.
Has a flow control valve 5 for adjusting the discharge amount (outflow amount) of the soil A in which the seeds, fertilizer and the like in the container 1 are mixed . By adjusting the discharge opening of the flow control valve 5,
The discharge amount of the soil A in the container 1 is set , and
When the discharged soil A flows backward, throttle the flow control valve 5
It has become so that you at least adjust the emissions of write soil.

An inlet 6 is formed at the other side of the bottom 2 of the container 1 so as to be open. One end of a bypass pipe 7 communicating with the inlet 6 is airtightly integrated with the inlet 6. The bypass pipe 7 is provided with a check valve 8 having an operation portion 8a. The check valve 8 allows the exhaust gas to flow toward the inflow port 6 and exhausts the exhaust gas from the inflow port 6. Gas distribution is disabled.

The top plate 9 of the container 1 has an inlet 10
There is formed an opening, this is the inlet 10 at one end of the conduit 11 communicating with the inlet port 10 is integrally connected to the airtight soil A in the container 1 to the other end of the conduit 11 A compressor 12 for supplying compressed air to be pressurized is connected. Further, the conduit 11 is connected to the container 1 by the compressor 12.
A pressure adjusting valve 13 having an operating section 13a for adjusting the pressure of the compressed air supplied to the inside is provided.

A safety valve 15 having an operation portion 15a is connected to the pressure regulating valve 13 via a conduit 14. The safety valve 15 has a pressure of compressed air higher than the pressure set by the pressure regulating valve 13. When it rises, it exhausts . That is, the internal pressure of the container 1 is
When the pressure rises above the set pressure, the pressure inside the container 1 is reduced.
Adjustments are made.

Reference numeral 16 denotes an internal combustion engine. One end of an exhaust pipe 18 connected to the exhaust port 17 is connected to an exhaust port 17 for discharging exhaust gas of the internal combustion engine 16. Cooling means 19 communicates with the section and is connected in a liquid-tight manner.

The cooling means 19 has a water tank 20 containing water or an aqueous solution to which chemicals such as agricultural chemicals and fertilizers are added. In this water tank 20, a cooling pipe 21 bent in a spiral shape is provided. Have been. The other end of the exhaust pipe 18 communicates with one end of the cooling pipe 21 and is airtightly connected. The other end of the cooling pipe 21 is air-tightly connected to a spraying pipe 22 communicating with the cooling pipe 21.
A spray nozzle 23 communicates with the end of the airtight nozzle and is airtightly connected.

Further, the spraying conduit 22 is provided with the cooling means.
19 with other ends of the positioned tub 20 side is connected to the container 1 bar <br/> bypass pipe 7 is connected hermetically in communication of, positioned on the side spraying nozzles 23 the into contact with the container 1
Other end of the discharge pipe 4 connection has been is hermetically connected to communicate with each other.

Further, a pump for supplying the aqueous solution in the water tank 20 to the container 1 is provided between the water tank 20 and the container 1.
Feed water pipe 25 having 24 is connected to the liquid-tight communication with, the pump 24 has a switching valve (not shown) to open and close the water supply pipe 25.

Reference numeral 26 denotes a working drive driven by the internal combustion engine 16. Note that the compressor 12 and the pump 24 are remotely operated by the working drive or the like.

Next, the operation of the above embodiment will be described.

The sealed container 1 by operating the compressor 12
When compressed air is supplied into the container, the compressed air
The soil A for spraying stored in the inside is pressurized,
The soil A is forcibly discharged toward the spraying conduit 22 via the flow control valve 5 of the discharge pipe 4 connected to the bottom 2 of the container 1.

At this time, by adjusting the discharge opening of the flow control valve 5 of the discharge pipe 4, the container 1 is controlled by the flow control valve 5.
The discharge amount of the soil A in the container is easily set , and a predetermined amount of the soil A from the container 1 is discharged from the discharge pipe 4 to the spray conduit 22.

Also, by starting the internal combustion engine 16 while operating the compressor 12, the exhaust gas discharged from the internal combustion engine 16 passes through the exhaust pipe 18 to the cooling pipe 21 of the cooling means 19. And cooled. Then, the cooled exhaust gas is led out from the cooling pipe 21 to the spraying pipe 22,
The exhaust gas is guided to the spray conduit 22 and is led out to the spray nozzle 23 by the spray conduit 22, and the soil A which is sequentially discharged from the discharge pipe 4 to the spray conduit 22 by the exhaust gas is forced by the spray nozzle 23. And this soil A is exhaust gas
It is sprayed from the spray nozzle 23 at.

[0030] At this time, the soil A of sealed container 1 can be pressurized by compressed air supplied from the compressor 12, a high fluidity soil A as well fluidity is low soil
Even in the soil A and chunks easy soil A, these soil A
Is discharged from the discharge pipe 4 to the spraying conduit 22 without being clogged with the discharge pipe 4, and is smoothly supplied to the spray nozzle 23 by the exhaust gas.

The exhaust gas is sufficiently cooled by the cooling means 19 before the soil A is discharged to the spray conduit 22 and is supplied to the spray conduit 22.
Soil A is supplied to Rukoto phrase scatterplot nozzles 23 subjected to thermal adverse. Therefore, seeds and the like that are
This is preferable in the case of mixed soil A.

A part of the cooled exhaust gas is supplied from the bypass pipe 7 branched from the spray pipe 22 into the closed bottom portion 2 of the container 1 via the check valve 8 so that the exhaust gas is cooled. soil a in the container 1 Te is fluidized, the soil a becomes prone state is discharged from the discharge pipe 4, the discharge pipe I that coupled with the soil a is pressurized by the compressed air from the compressor 12 4 easily discharged.

At this time, even if compressed air is supplied from the compressor 12 into the closed container 1, the bypass pipe 7 is provided with the check valve 8 for preventing the exhaust gas from flowing back to the spray conduit 22.
Thus, the check valve 8 prevents the compressed air in the container 1 from leaking to the spray conduit 22 side, and prevents the compressed air from impairing the pressurizing effect on the soil A.

Further, the Soil A of sealed container 1 can be pressurized by compressed air supplied from the compressor 12, the soil when the situation can not be sprayed soil A spray nozzle 23 has failed has occurred A is prevented from flowing back to the discharge pipe 4, and the discharge pipe 4 and the flow control valve 5 are prevented from being clogged with the soil A.

That is, the soil A is clogged in the spray nozzle 23.
When the situation that the soil A cannot be spread enough due to
Since the internal pressure of the spray conduit 22 on the spray nozzle 23 side increases in
The soil A discharged from the discharge pipe 4 to the spray conduit 22 flows backward
At this time, the flow control valve 5 is squeezed and the soil A
Spray from the discharge pipe 4 by adjusting the discharge amount
When the soil A reduced to a predetermined amount is discharged into the conduit 22,
In addition, the exhaust gas flows from the bypass pipe 7 into the container 1.
The pressure in the spraying conduit 22 is regulated, so that the soil A is discharged.
Backflow to the outlet pipe 4 is prevented, and
The soil A is prevented from clogging the pipe 4 and the flow control valve 5.
You.

Further, by adjusting the pressure of the pressure adjusting valve 13 provided in the conduit 11 of the compressor 12, compressed air having an optimum pressure for pressurizing the soil A is supplied into the closed vessel 1. Then, when the pressure of the compressed air increases above the pressure set by the pressure regulating valve 13, the safety valve 15 operates,
The gas is exhausted from the safety valve 15 to prevent an unexpected situation from occurring, thereby ensuring safety.

That is, the soil A is clogged in the spray nozzle 23.
By narrowing the flow control valve 5 by, for example,
The internal pressure has risen above the pressure set by the pressure regulating valve 13.
When the pressure in the container 1 is reduced by the pressure regulating valve 13,
The safety valve 15 is activated and exhausted from the safety valve 15,
Therefore, the optimum pressure for pressurizing the soil A is set in the container 1.
Compressed air is supplied to prevent accidents from occurring and is safe
Nature is secured.

Further, depending on the soil A to be stored in the container 1, the pump 24 is operated as necessary to connect the water supply pipe 25 to the water tank.
The water in 20 is supplied into the container 1.

In the above embodiment, the container is stored in the container 1.
Some soil A, may be to provide a stirring means for soil A mix in the container 1.

[0040]

According to the first aspect of the present invention, the discharge pipe communicating with the container is communicated with the spraying pipe which supplies and discharges the soil discharged from the discharge pipe to the spray nozzle by the exhaust gas discharged from the internal combustion engine. And into this container via a conduit to the container
Seeds, so communicated compressor for supplying compressed air for pressurizing the soil mixed with fertilizers, soil has high fluidity in the compressed air supplied from the compressor into the container as well tends low soil and mass flow properties sprayed discharged smoothly to the spraying conduit from the discharge pipe without soil also clog
It can be supplied to the nozzle .

The conduit is provided with compressed air supplied into the container.
The pressure at which the air pressure is adjusted and the internal pressure of this container is set
A pressure regulating valve that adjusts the pressure inside the container when it rises above
The pressure inside the container with the pressure regulating valve.
Supply compressed air adjusted to the optimum pressure
As a result, the occurrence of an unexpected situation can be reliably prevented.

Also, the discharge pipe is discharged from the container to the spraying conduit.
The amount of soil released and the amount of soil drained back
Flow control valve to reduce the amount of soil discharged
Since girder, emissions soil in the container at the flow rate adjusting valve
It can be easily adjusted and a certain amount of soil can be discharged to the spraying conduit,
If the spray nozzle is clogged and the soil cannot be sprayed, adjust the flow control valve to reduce the amount of soil discharged.
This can prevent the soil from flowing back to the discharge pipe.

Therefore, it is possible to sufficiently spray the soil in the container supplied from the discharge pipe to the spraying conduit with the exhaust gas from the spraying nozzle.

[0044] According to the invention of claim 2, since the spraying conduit was <br/> communicating with cooling means for cooling the exhaust gas discharged from an internal combustion engine, the spray nozzle the soil at the cooled exhaust gas in can be derived supply, it can be reliably prevented that give the thermal adverse effect on the soil in the exhaust gas. In addition, the spraying conduit supplies a part of the exhaust gas discharged from the internal combustion engine into the container through a bypass pipe, so that the soil in the container can be easily discharged from the discharge pipe to discharge the soil . The check valve prevents exhaust gas from flowing back.
Can be stopped, and when the spray nozzle is clogged,
Exhaust gas flows into the vessel and adjusts the pressure inside the spray conduit.
Can be.

[Brief description of the drawings]

FIG. 1 is a block diagram showing one embodiment of a spraying device of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Container 4 Discharge pipe 5 Flow control valve 7 Bypass pipe 8 Check valve 11 Conduit 12 Compressor 13 Pressure control valve 16 Internal combustion engine 19 Cooling means 22 Spray pipe 23 Spray nozzle A soil

Claims (2)

(57) [Claims] 1. A soil obtained by mixing an internal combustion engine, seeds, fertilizer, and the like.
And closable container for containing the soil, and spray nozzle for spraying a receiving soil into the container, in communication with the bottom of the container and discharge pipe for discharging the soil in the container, communicates to the discharge pipe Guiding exhaust gas discharged from the internal combustion engine
And spraying conduit for supplying the soil discharged from the discharge pipe in the exhaust gas of Sico derive the spray nozzle, the discharge
Provided in a tube and discharged from the container to the spraying conduit
Regulate the amount of soil released and when this discharged soil flows back
Is a flow control valve for adjusting the amount of discharged soil , a compressor connected to the container via a conduit , and supplying compressed air for pressurizing the soil into the container, and a compressor provided on the conduit.
Compressed air supplied from the compressor into the container.
The pressure at which the air pressure is adjusted and the internal pressure of this container is set
A pressure regulating valve that adjusts the pressure inside the container when it rises above
And a soil spraying device comprising: 2. The spraying conduit is connected to cooling means for cooling exhaust gas discharged from the internal combustion engine.
Check valve that supplies part of the exhaust gas discharged from the container into the container
The soil spraying device according to claim 1, further comprising a bypass pipe provided with: