CN111727955A

CN111727955A - Circulation fumigation machine

Info

Publication number: CN111727955A
Application number: CN202010575390.0A
Authority: CN
Inventors: 林祥恩; 徐誉尘; 林朗
Original assignee: Zhejiang Suifeng Electromechanical Technology Co ltd
Current assignee: Taizhou Zhongsui Technology Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2020-10-02
Anticipated expiration: 2040-06-22
Also published as: CN111727955B

Abstract

The invention relates to the technical field of grain storage, and discloses a circulating fumigation machine which comprises a box body, wherein four running wheels are installed at the bottom of the box body, a pesticide application assembly for applying pesticide is installed in the box body, a top cover is detachably connected to the box body, an exhaust pipe communicated with the interior of the box body and used for toxic gas to flow out is fixed on the top cover, four variable speed motors used for driving the four running wheels are fixed at the bottom of the box body, and a controller electrically connected with the variable speed motors and used for controlling the rotating speed of the running wheels is fixed on one side of the box body. The invention has the following advantages and effects: the scheme utilizes the controller to control the rotating speeds of different variable speed motors so as to control the rotating speeds of different running wheels and further drive the box body to advance and turn; inside the poison gas that the subassembly released of giving medicine to the poor free of charge got into the granary through the blast pipe, the setting of driving wheel had played and has removed in order to release the effect of poison gas fast, evenly in the granary.

Description

Circulation fumigation machine

Technical Field

The invention relates to the technical field of grain storage, in particular to a circular flow fumigator.

Background

Insect damage often occurs to food or other materials during storage, resulting in significant loss of the stored material. In order to ensure the safety of storage, deinsectization treatment is often needed, the current deinsectization means used at home and abroad is fumigation treatment by using phosphine gas, but some application safety problems also occur in production practice, and the traditional grain surface dosing and air duct opening dosing have many potential safety hazards, and accidents such as fire, personnel poisoning and even death are easy to occur. The movable circulation fumigator is characterized in that a phosphine gas generating device is arranged on a movable platform, and the phosphine gas generating device can react while moving in a granary and generate phosphine gas, so that the movable circulation fumigator has the advantage of uniformly diffusing the phosphine gas.

At present, a chinese utility model patent with publication number CN205124902U discloses a movable granary circulation fumigation device, which comprises a movable vehicle body, a pesticide application mechanism installed in the movable vehicle body, and a toxic gas circulation mechanism arranged on the movable vehicle body and composed of a circulation fumigation special fan, a safety valve, a toxic gas outlet and an electric cabinet; the pesticide applying mechanism comprises a pesticide applying vessel arranged in the movable vehicle body through a slideway and a detachable drug supporting net arranged in the pesticide applying vessel through a supporting frame; the air outlet of the special circulating fumigation fan is fixed at one end of the movable vehicle body through the ventilation cylinder and the connecting flange, and the other end of the movable vehicle body is provided with a ventilation door body; the air inlet of the special fan for circulation fumigation is connected with a grain bin wall return pipe through a corresponding pipeline; the toxic gas outlet is connected with the granary ventilation duct opening through a corresponding pipeline. When the special fan for circulation fumigation is started, the special fan for circulation fumigation, the pesticide applying mechanism, the toxic gas circulation mechanism, the air outlet, the air inlet and the circulation reserved opening on the bin wall form a whole through a circulation pipe network, so that toxic gas is circulated and uniformly distributed in a grain stack through the air duct of the grain bin, and the aim of thoroughly treating the pests in the grain bin is fulfilled.

The technical scheme adopts the mode of pesticide application outside the granary, and when the air duct in the granary is blocked or has the defect of tightness, toxic gas cannot be uniformly diffused into the granary, so that the pesticide application effect is influenced. Therefore, a circular flow fumigator which has the characteristic of uniform pesticide application is needed.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the circular flow fumigator which has the characteristic of uniform pesticide application.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a circulation fumigator, includes the box, four wheels of traveling are installed to the bottom half, install the subassembly of giving medicine to the poor free of charge that is used for giving medicine to the poor free of charge in the box, can dismantle on the box and be connected with the top cap, fixed blast pipe with the inside intercommunication of box for the poison gas outflow on the top cap, the bottom half is fixed with four variable speed motor that are used for driving four wheels of traveling, box one side is fixed with and is connected with the controller of the wheel rotational speed of traveling in order to control with the variable speed motor electricity.

By adopting the technical scheme, the controller is utilized to control the rotating speeds of the different variable speed motors so as to control the rotating speeds of the different running wheels and further drive the box body to advance and turn; inside the poison gas that the subassembly released of giving medicine to the poor free of charge got into the granary through the blast pipe, the setting of driving wheel had played and has removed in order to release the effect of poison gas fast, evenly in the granary.

The present invention in a preferred example may be further configured to: the utility model discloses a chemical spraying device, including the box, the box is internal to be fixed with the diaphragm that a level set up, be fixed with the riser of a vertical setting on the diaphragm, the subassembly of giving medicine to poor free of charge is including placing the storage vat that has reaction material on the diaphragm and store, the storage vat is located riser one side and riser opposite side and places the reaction basin that contains reactant, the storage vat top is fixed with the delivery pump that is connected and is used for extracting reaction material in the storage vat with the controller electricity, the intercommunication has the conveying pipeline that runs through the riser and extend to reaction basin top on the delivery pump, install the solenoid valve of being connected with the controller electricity on the conveying pipeline.

By adopting the technical scheme, the reaction materials are pumped into the material conveying pipe from the material storage barrel by the conveying pump and are conveyed into the reaction basin through the material conveying pipe for reaction, so that toxic gas is generated for killing insects in the granary, and the storage life of grains is prolonged; the setting of the electromagnetic valve enables the reaction speed to be controllable, and is convenient for adjusting the generation speed of the toxic gas and the increase speed of the concentration of the toxic gas in the granary.

The present invention in a preferred example may be further configured to: the diaphragm is with the inside cavity that separates and form the bottom of box, set up the hole that communicates with the cavity and be used for placing the reaction basin on the diaphragm, can dismantle on the box lateral wall and be fixed with the gas holder that has deposited combustible gas, the intercommunication has the tip to run through the box and extends to the gas-supply pipe of reaction basin below on the gas holder, install on the gas-supply pipe and be connected and be used for lighting combustible gas's some firearms with the controller electricity, still install the solenoid valve of being connected with the controller electricity on the gas-supply pipe, just the intercommunication has the intake pipe of tip and box outside intercommunication on the cavity.

By adopting the technical scheme, the combustible gas is ignited by the igniter so as to heat the reaction basin, thereby accelerating the reaction speed; and the temperature in the box body rises along with the temperature rise, so that the activity of gas molecules is improved, and the diffusion of toxic gas is facilitated.

The present invention in a preferred example may be further configured to: the utility model discloses a fan filter, including the air inlet pipe, the filter is established including the cover and is used for the shutoff to filter cotton and active carbon piece, the intercommunication has the fan fixed with the box lateral wall in the intake pipe, be equipped with the filter between fan air outlet and the intake pipe, the sleeve on the fan air outlet is established to the filter including the cover, seted up on the sleeve terminal surface and held the chamber, it has filter cotton and active carbon piece to hold the intracavity pile up, just threaded connection has the end cover that is used for the shutoff to filter cotton and active carbon piece on the sleeve terminal.

By adopting the technical scheme, the fan is arranged to provide sufficient oxygen for the combustion of combustible gas, so that the oxygen concentration in the granary is reduced, and the insecticidal effect of toxic gas is enhanced; and the filter cotton and the activated carbon sheets are used for filtering the gas sent by the fan, so that the influence of impurities and moisture in the gas on the combustion of the combustible gas is avoided.

The present invention in a preferred example may be further configured to: hydrocarbon gas is selected for use as the gas of storage in the gas holder, the exhaust pipe has been buried underground in the box lateral wall, exhaust pipe one end extends into the cavity and is the infundibulate, the exhaust pipe other end extends to the box outside.

By adopting the technical scheme, hydrocarbon gas is selected as combustible gas, and products after combustion are water and carbon dioxide, so that products influencing grain storage are prevented from being generated by combustion; and carbon dioxide is discharged into the granary through the steam discharge pipe, so that the concentration of the carbon dioxide in the granary is improved, and pests are stimulated to breathe, thereby being beneficial to absorbing toxic gas by the pests and improving the insecticidal effect.

The present invention in a preferred example may be further configured to: the steam trap is characterized in that a water collecting tank communicated with one exposed end of the steam exhaust pipe is fixed on the outer wall of the tank body, an air outlet pipe communicated with the outside is communicated with the water collecting tank, a wave-shaped baffle plate which is opposite to the outlet of the steam exhaust pipe is fixed on the inner top surface of the water collecting tank, a recovery pipe with the end part extending to the upper part of the reaction basin is further communicated with the water collecting tank, and one end of the recovery pipe communicated with the water collecting tank is lower than one end of the air outlet pipe communicated with the water collecting tank.

Through adopting above-mentioned technical scheme, utilize the wave form baffle to block the exhaust pipe combustion gas, the moisture of being convenient for wherein condenses on the wave form baffle, and wave form baffle and gaseous area of contact are big, are favorable to the moisture to condense, thereby with the moisture recycle of one of combustion products, reduced the use cost of water resource, and avoid moisture to get into the humidity that influences the inside air of granary in the granary.

The present invention in a preferred example may be further configured to: the utility model discloses a box, including top cap, box inside wall, torsional spring, top cap lower surface is fixed with two backup pads, it has two to be used for supporting to articulate on the box inside wall the rotor plate of backup pad, be fixed with on the articulated shaft of rotor plate and be used for restricting the torsional spring that the rotor plate turned over down, it is equipped with the pressure release hole to run through in the backup pad.

Through adopting above-mentioned technical scheme, utilize the rotor plate to support backup pad and top cap, when the blast pipe blockked up or the reaction produces poison gas too much at the excessive speed, the inside atmospheric pressure increase of box lifts up the top cap upwards, and poison gas can be discharged through the pressure release hole this moment, avoids the emergence accident.

The present invention in a preferred example may be further configured to: the improved refrigerator is characterized in that an electric push rod electrically connected with the controller is arranged in the side wall of the box body, the top of the electric push rod is abutted to the lower surface edge of the top cover, and a handle convenient to take and place is fixed on the top cover.

Through adopting above-mentioned technical scheme, when electric putter started, upwards lifted the top cap to this residual poison gas in the box of being convenient for scatters, thereby is convenient for operating personnel to clean after the use, maintain and fill the raw materials.

The present invention in a preferred example may be further configured to: the improved lifting appliance is characterized in that a strip-shaped groove is formed in the vertical plate, a lifting plate is arranged on the strip-shaped groove in a sliding fit mode, a plurality of compression springs are fixed between the lifting plate and the bottom of the strip-shaped groove, a rubber sleeve fixed with the vertical plate is coated on the lifting plate, and the top of the rubber sleeve is tightly supported by the lower surface of the top cover.

By adopting the technical scheme, the interior of the cavity is separated by utilizing the lifting plate and the rubber sleeve, so that the diffusion space of toxic gas in the box body is reduced, and the toxic gas is conveniently and quickly discharged; and has a supporting function for the top cover.

The present invention in a preferred example may be further configured to: and a plurality of gas concentration detectors electrically connected with the controller and used for monitoring the concentration of toxic gas in the granary are fixed on the outer side wall of the box body.

By adopting the technical scheme, the gas concentration detector is utilized to detect the concentration of the toxic gas in the granary, so that the concentration of the toxic gas can be accurately controlled, and the insecticidal effect is improved; and the arrangement of a plurality of gas concentration detectors further improves the detection precision of the toxic gas concentration in the granary.

In summary, the invention includes at least one of the following beneficial technical effects:

1. according to the scheme, the controller is used for controlling the rotating speeds of the different variable speed motors so as to control the rotating speeds of the different driving wheels, further drive the box body to drive, and discharge toxic gas released by the pesticide applying assembly into the granary in the driving process, so that the aim of quickly and uniformly releasing the toxic gas is fulfilled;

2. the scheme utilizes the igniter to ignite the combustible gas so as to heat the reaction basin, thereby accelerating the reaction speed; the temperature in the box body rises along with the temperature rise, so that the activity of gas molecules is improved, and the diffusion of toxic gas is facilitated;

3. according to the scheme, hydrocarbon gas is selected as combustible gas, and products after combustion are water and carbon dioxide, so that the products influencing grain storage are prevented from being generated by combustion; and carbon dioxide is discharged into the granary through the steam discharge pipe, so that the concentration of the carbon dioxide in the granary is improved, and pests are stimulated to breathe, thereby being beneficial to absorbing toxic gas by the pests and improving the insecticidal effect.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is a schematic cross-sectional structure of the present application;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is an enlarged schematic view of the structure at B in FIG. 2;

fig. 5 is a schematic view of the structure of the top of the riser in the present application.

Reference numerals: 1. a box body; 11. a transverse plate; 111. a cavity; 12. a rotating plate; 13. a torsion spring; 14. an electric push rod; 15. a vertical plate; 151. a strip-shaped groove; 152. a lifting plate; 153. a compression spring; 154. a rubber sleeve; 16. a controller; 17. an observation window; 2. a top cover; 21. an exhaust pipe; 22. a support plate; 221. a wedge block; 23. a pressure relief vent; 24. a handle; 31. a fan; 32. an air inlet pipe; 33. a filter; 331. a sleeve; 332. an accommodating chamber; 333. filtering cotton; 334. an activated carbon sheet; 335. an end cap; 336. a filter screen; 34. a steam exhaust pipe; 35. a water collection tank; 351. a recovery pipe; 352. an air outlet pipe; 353. a wave-shaped baffle plate; 4. a heating assembly; 41. a gas storage tank; 42. a gas delivery pipe; 421. an igniter; 5. a dispensing assembly; 51. a storage barrel; 52. a delivery pump; 53. a delivery pipe; 54. a reaction basin; 6. a running wheel; 61. a variable speed motor; 7. a gas concentration detector.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figure 1, the circular current fumigator disclosed by the invention comprises a box body 1, wherein the box body 1 is cuboid and hollow. Referring to fig. 2, a transverse plate 11 is disposed inside the box body 1, the transverse plate 11 is a rectangular plate-shaped structure and is horizontally disposed, and the periphery of the transverse plate 11 is fixed to the inner wall of the box body 1, so as to divide the inside of the box body 1 into an upper cavity and a lower cavity, and a cavity 111 is formed between the transverse plate 11 and the bottom of the box body 1. A vertical plate 15 is fixed on the transverse plate 11, and the vertical plate 15 is vertically arranged to separate the space above the transverse plate 11.

As shown in fig. 2, a drug delivery assembly 5 for generating toxic gas is disposed in the box 1, and the drug delivery assembly 5 includes a storage tank 51, a delivery pump 52, a delivery pipe 53 and a reaction basin 54, wherein the storage tank 51 is located on one side of the vertical plate 15, and the reaction basin 54 is located on the other side of the vertical plate 15. The storage tank 51 stores therein a solid or liquid reaction material, the top of which is closed, and the transfer pump 52 is fixed to the top of the storage tank 51. The feed pipe 53 is fixed to the feed pump 52 and communicates with the feed pump 52, and an electromagnetic valve is installed on the feed pipe 53 to control the flow rate of the medium in the feed pipe 53. One end of the feed delivery pipe 53 penetrates through the vertical plate 15 and extends to the upper part of the reaction basin 54, and the reaction basin 54 contains reaction reagents. When the electromagnetic valve on the delivery pipe 53 and the delivery pump 52 are opened, the reaction material is pumped out of the storage tank 51 and delivered to the reaction basin 54, and the reaction material falls into the reaction basin 54 to react, thereby generating toxic gas. The top of the box body 1 is provided with a top cover 2, the top cover 2 is of a rectangular plate-shaped structure, the lower surface of the top cover 2 is abutted to the top of the side wall of the box body 1, and two handles 24 are fixed on the upper surface of the top cover 2, so that an operator can take and place the box body conveniently. The top cover 2 is communicated with an exhaust pipe 21, and the exhaust pipe 21 is provided with an electromagnetic valve for controlling the flow rate of toxic gas therein. When the toxic gas generated by the pesticide applying assembly 5 reaches the release concentration, the electromagnetic valve on the exhaust pipe 21 is opened, and the toxic gas can be discharged into the granary to kill insects. Be fixed with a plurality of gas concentration detector 7 on the 1 lateral wall of box, gas concentration detector 7 is connected with 16 electricity of controller for monitor granary inside poison gas concentration, so that accurate control poison gas concentration improves the insecticidal effect. In the embodiment, a phosphine fumigation technology is adopted for killing insects, the reaction material in the storage barrel 51 is aluminum phosphide, and clear water is contained in the reaction basin 54, so that phosphine is produced through reaction. Thus, the gas concentration detector 7 is a phosphine gas concentration detector 7.

As shown in fig. 1, four running wheels 6 and four variable speed motors 61 are mounted at the bottom of the box 1, and the variable speed motors 61 are fixed at the bottom of the box 1 and are used for driving the four running wheels 6 to rotate. A controller 16 is fixed on one side of the box body 1, and the controller 16 is electrically connected with a variable speed motor 61 to control the rotating speed of the running wheels 6, so as to control the rotating speed of different running wheels 6 and further drive the box body 1 to move forward and turn. Referring to fig. 2, the controller 16 is also electrically connected to the delivery pump 52, the solenoid valve on the delivery pipe 53 and the solenoid valve on the exhaust pipe 21, so as to control the reaction rate and the increase rate of the toxic gas concentration in the granary.

As shown in FIG. 2, the horizontal plate 11 is provided with a hole for placing the reaction basin 54, and the size of the hole is smaller than that of the reaction basin 54, so as to prevent the reaction basin 54 from falling into the cavity 111. The box body 1 is provided with a heating component 4 for heating the reaction basin 54, and the heating component 4 comprises a gas storage tank 41 and a gas pipe 42. The gas storage tank 41 is detachably fixed on the outer side wall of the box body 1, and combustible gas is stored in the gas storage tank. The gas-supply pipe 42 tip runs through box 1 and extends to reaction basin 54 below, and the gas-supply pipe 42 tip installs some firers 421, and some firers 421 choose for use current coil silicon steel sheet formula some firers 421, and its volume is less, is convenient for install on gas-supply pipe 42, and the power supply wire of some firers 421 lays in the gas-supply pipe 42 and runs through the gas-supply pipe 42 pipe wall and extend to the outside power connection with box 1 of box 1. In this embodiment, a storage battery is detachably fixed on the box 1 for supplying power to the controller 16, the variable speed motor 61, the igniter 421 and the electromagnetic valves.

The cavity 111 is communicated with an air inlet pipe 32, the end part of the air inlet pipe is communicated with the outer side of the box body 1, the air inlet pipe 32 is horizontally arranged, one end of the air inlet pipe exposed out of the box body 1 is communicated with a fan 31, and the fan 31 is fixed with the outer side wall of the box body 1 and used for extracting air and conveying the air to the cavity 111 to be combusted by the heating assembly 4. As shown in fig. 3, a filter 33 is disposed between the air outlet of the fan 31 and the air inlet pipe 32, the filter 33 includes a sleeve 331 sleeved on the air outlet of the fan 31, an outer wall of the sleeve 331 is clamped with an inner wall of the air inlet pipe 32, an accommodating cavity 332 is formed in an end surface of the sleeve 331, a filter cotton 333 and an activated carbon sheet 334 are stacked in the accommodating cavity 332, the filter cotton 333 and the activated carbon sheet 334 are both provided with a plurality of pieces, and the filter cotton 333 and the activated carbon sheet 334 are arranged in. An end cover 335 for plugging the filter cotton 333 and the activated carbon piece 334 is arranged on the end face of the sleeve 331, and the end cover 335 is in threaded connection with the sleeve 331, so that an operator can conveniently replace the filter cotton 333 and the activated carbon piece 334. A filter screen 336 for gas to pass through is fixed in the middle of the end cover 335. The filter cotton 333 and the activated carbon sheet 334 filter the gas sent by the fan 31, so as to prevent impurities and moisture in the gas from influencing the combustion of the combustible gas.

As shown in fig. 2, a steam exhaust pipe 34 is embedded in the inner wall of the box body 1 on the side away from the fan 31, one end of the steam exhaust pipe 34 extends into the cavity 111 and is funnel-shaped, and the other end of the steam exhaust pipe 34 extends to the outside of the box body 1 and is communicated with a water collecting tank 35. The water collecting tank 35 is rectangular and hollow, the water collecting tank 35 is fixed on the outer side wall of the case body 1, and as shown in fig. 4, the water collecting tank 35 is communicated with an air outlet pipe 352 communicated with the outside, so that the burnt gas can be discharged conveniently, and the air pressure inside and outside the cavity 111 can be kept balanced. The wave-shaped baffle 353 which is opposite to the outlet of the steam exhaust pipe 34 is fixed on the inner top surface of the water collection tank 35, the contact area of the wave-shaped baffle 353 and the gas is large, moisture condensation is facilitated, and the moisture is condensed and then falls to the bottom of the water collection tank 35 to be accumulated. The water collecting tank 35 is also communicated with a recovery pipe 351, the end part of which extends to the upper part of the reaction basin 54, and one end of the recovery pipe 351 communicated with the water collecting tank 35 is lower than one end of the air outlet pipe 352 communicated with the water collecting tank 35.

As shown in fig. 2 and 4, two supporting plates 22 are fixed on the lower surface of the top cover 2, and the side walls of the two supporting plates 22 are connected with the two inner walls of the box body 1 in a sliding and sealing manner. Two rotating plates 12 are hinged on the inner side wall of the box body 1, a torsional spring 13 used for limiting the downward turning of the rotating plates 12 is fixed on a hinged shaft of the rotating plates 12, and the bottom of the supporting plate 22 is abutted against the rotating plates 12. The support plate 22 is provided with a pressure relief hole 23 in a penetrating manner, when the exhaust pipe 21 is blocked or the reaction is too fast to generate toxic gas, the air pressure inside the box body 1 is increased to lift the top cover 2 upwards, and the toxic gas can be discharged through the pressure relief hole 23 at the moment, so that accidents are avoided. An electric push rod 14 is further arranged in the side wall of the box body 1, the electric push rod 14 is electrically connected with a controller 16, and the top of the electric push rod 14 is abutted against the edge of the lower surface of the top cover 2. When the electric push rod 14 is started, the top cover 2 is lifted upwards, so that residual toxic gas in the box body 1 can be conveniently released, and an operator can conveniently clean, maintain and fill raw materials after the use.

As shown in fig. 2 and 5, a strip-shaped groove 151 is formed in the vertical plate 15, the length direction of the strip-shaped groove 151 is consistent with the width direction of the box body 1, the strip-shaped groove 151 is in sliding fit with a lifting plate 152, a plurality of compression springs 153 are fixed between the lifting plate 152 and the bottom of the strip-shaped groove 151, the lifting plate 152 is coated with a rubber sleeve 154 fixed with the vertical plate 15, and the top of the rubber sleeve 154 is tightly abutted to the lower surface of the top cover 2.

The implementation principle of the embodiment is as follows: an operator firstly loads sufficient reaction materials into the storage barrel 51, inputs reaction reagents into the reaction basin 54, and then starts the variable speed motor 61 to control the box body 1 to move into the granary. After confirming the sealing of the granary, the blower 31 and the heating assembly 4 are started, at this time, the gas pipe 42 conveys combustible gas to the lower part of the reaction basin 54, the igniter 421 ignites the combustible gas to heat the reaction basin 54, after the combustible gas is heated to a set temperature or time, the electromagnetic valve and the conveying pump 52 on the material conveying pipe 53 are opened, the reaction material is pumped out from the storage barrel 51 and conveyed to the reaction basin 54, and the reaction material falls into the reaction basin 54 to react, so that toxic gas is generated. When the toxic gas generated by the pesticide applying assembly 5 reaches the release concentration, the electromagnetic valve on the exhaust pipe 21 is opened, and the toxic gas can be discharged into the granary to kill insects. At the moment, the variable speed motor 61 continues to work to drive the box body 1 to run in the granary, the pesticide application assembly 5 continuously generates toxic gas, and the toxic gas is quickly and uniformly diffused to all positions of the granary.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a circulation fumigation machine, includes box (1), box (1) bottom is installed four and is gone wheel (6), install the subassembly (5) of giving medicine to the poor free of charge that are used for giving medicine to the poor free of charge that gives medicine to the poor free of charge in box (1), a serial communication port, can dismantle on box (1) and be connected with top cap (2), fixed blast pipe (21) with box (1) inside intercommunication for the poison gas outflow on top cap (2), box (1) bottom is fixed with four variable speed motor (61) that are used for driving four and go wheel (6), box (1) one side is fixed with controller (16) of being connected with variable speed motor (61) electricity in order to control and go wheel (6) rotational speed.

2. The circular flow fumigator according to claim 1, wherein a horizontal plate (11) is fixed in the box body (1), a vertical plate (15) which is vertically arranged is fixed on the transverse plate (11), the pesticide application component (5) comprises a storage barrel (51) which is arranged on the transverse plate (11) and stores reaction materials, the storage barrel (51) is positioned on one side of the vertical plate (15), a reaction basin (54) filled with reaction reagents is arranged on the other side of the vertical plate (15), a delivery pump (52) which is electrically connected with the controller (16) and is used for pumping the reaction materials in the storage barrel (51) is fixed at the top of the storage barrel (51), a material conveying pipe (53) which penetrates through the vertical plate (15) and extends to the upper part of the reaction basin (54) is communicated with the conveying pump (52), and the delivery pipe (53) is provided with an electromagnetic valve which is electrically connected with the controller (16).

3. A circular fumigation machine as claimed in claim 2, characterized in that said transverse plate (11) divides the inside of the box (1) and forms a cavity (111) at the bottom, the transverse plate (11) is provided with a hole which is communicated with the cavity (111) and is used for placing the reaction basin (54), a gas storage tank (41) for storing combustible gas is detachably fixed on the outer side wall of the box body (1), the gas storage tank (41) is communicated with a gas pipe (42) the end part of which penetrates through the tank body (1) and extends to the lower part of the reaction basin (54), an igniter (421) which is electrically connected with the controller (16) and is used for igniting combustible gas is arranged on the gas transmission pipe (42), the air delivery pipe (42) is also provided with an electromagnetic valve which is electrically connected with the controller (16), and the cavity (111) is communicated with an air inlet pipe (32) with the end part communicated with the outer side of the box body (1).

4. The circulation flow fumigation machine of claim 3, characterized in that, the intake pipe (32) is gone up the intercommunication have with the fixed fan (31) of box (1) lateral wall, be equipped with filter (33) between fan (31) air outlet and intake pipe (32), filter (33) are established sleeve (331) on fan (31) air outlet including the cover, seted up on sleeve (331) terminal surface and held chamber (332), it has filter pulp (333) and active carbon piece (334) to hold to stack in chamber (332), just threaded connection has end cover (335) that is used for shutoff filter pulp (333) and active carbon piece (334) on sleeve (331) terminal surface, be fixed with filter screen (336) that the air feed body passes through on end cover (335).

5. The circulation flow fumigator according to claim 3, wherein the gas stored in the gas storage tank (41) is hydrocarbon gas, the steam exhaust pipe (34) is embedded in the side wall of the box body (1), one end of the steam exhaust pipe (34) extends into the cavity (111) and is funnel-shaped, and the other end of the steam exhaust pipe (34) extends to the outside of the box body (1).

6. The circulating current fumigator according to claim 5, wherein a water collecting tank (35) communicated with one end of the exposed steam exhaust pipe (34) is fixed on the outer wall of the box body (1), an air outlet pipe (352) communicated with the outside is communicated with the water collecting tank (35), a wave-shaped baffle (353) facing the outlet of the steam exhaust pipe (34) is fixed on the inner top surface of the water collecting tank (35), a recovery pipe (351) with the end extending to the upper part of the reaction basin (54) is further communicated with the water collecting tank (35), and one end of the communication between the recovery pipe (351) and the water collecting tank (35) is lower than one end of the communication between the air outlet pipe (352) and the water collecting tank (35).

7. The circular flow fumigator according to claim 1, wherein two supporting plates (22) are fixed on the lower surface of the top cover (2), two rotating plates (12) for supporting the supporting plates (22) are hinged on the inner side wall of the box body (1), a torsion spring (13) for limiting the downward turning of the rotating plates (12) is fixed on a hinged shaft of the rotating plates (12), and a pressure relief hole (23) is formed in the supporting plate (22) in a penetrating manner.

8. The circular flow fumigator according to claim 7, wherein an electric push rod (14) electrically connected with the controller (16) is arranged in the side wall of the box body (1), the top of the electric push rod (14) is abutted against the edge of the lower surface of the top cover (2), and a handle (24) convenient for taking and placing is fixed on the top cover (2).

9. The circular flow fumigator according to claim 2, wherein a strip-shaped groove (151) is formed in the vertical plate (15), a lifting plate (152) is slidably fitted on the strip-shaped groove (151), a plurality of compression springs (153) are fixed between the lifting plate (152) and the bottom of the strip-shaped groove (151), a rubber sleeve (154) fixed with the vertical plate (15) is wrapped on the lifting plate (152), and the top of the rubber sleeve (154) is tightly abutted to the lower surface of the top cover (2).

10. The circular current fumigator according to claim 1, wherein a plurality of gas concentration detectors (7) electrically connected with the controller (16) and used for monitoring the concentration of toxic gas in the granary are fixed on the outer side wall of the box body (1).