Sulfuryl fluoride local fumigation device

Abstract

The utility model discloses a sulfuryl fluoride local fumigation device which comprises a sulfuryl fluoride gas bottle, a flow controller, a gas flow uniformizing part, an electric control cabinet and a local fumigation pesticide applying pipe. The flow controller is communicated with a bottle opening of the sulfuryl fluoride gas bottle through a hose; the gas flow uniformizing part is communicated with the flow controller through a hose; the electric control cabinet is detachably connected to the frame of the gas flow uniformizing part and electrically connected with the flow electric control cabinet and the gas flow uniformizing part. The plurality of local fumigation pesticide application pipes are communicated with the gas flow uniformizing part through hoses; the device has the advantages that the concentration of the introduced sulfuryl fluoride gas is diluted by adopting a mode of mixing the air with the sulfuryl fluoride gas, so that the lethal dose of stored grain pests is accurately reached, the medicament waste is avoided, and compared with the original mode of directly introducing the sulfuryl fluoride gas, the use amount of the sulfuryl fluoride gas is effectively reduced, the fumigation cost is saved, and the environment is protected. And the use amount of the sulfuryl fluoride gas is small, so that the residue of the sulfuryl fluoride gas is avoided, and the quality of grains is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of grain fumigation, in particular to a sulfuryl fluoride local fumigation device. Background Art

[0002] In recent years, the use of sulfuryl fluoride in my country's grain storage industry has increased. The development and promotion of sulfuryl fluoride fumigation technology not only complements phosphine and addresses resistance, but also meets the needs of my country's food safety and grain storage security. Existing sulfuryl fluoride fumigation technology, due to the lack of effective control, often results in excessive sulfuryl fluoride usage, easily leading to waste of the agent and inability to accurately and efficiently kill stored grain pests. It also results in significant residues after fumigation, compromising grain quality. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a sulfuryl fluoride local fumigation device with good insecticide effect and small sulfuryl fluoride consumption.

[0004] In order to solve the above technical problems, the technical solution of the utility model is:

[0005] A sulfuryl fluoride local fumigation device comprises a sulfuryl fluoride gas cylinder, a flow controller, a gas flow equalizer, an electric control cabinet, and a local fumigation and application tube; the flow controller is connected to the mouth of the sulfuryl fluoride gas cylinder via a hose; the gas flow equalizer is connected to the flow controller via a hose; the electric control cabinet is detachably connected to the frame of the gas flow equalizer and is electrically connected to the flow control cabinet and the gas flow equalizer, respectively; a plurality of local fumigation and application tubes are connected to the gas flow equalizer via the hose; and a plurality of holes are vertically formed on the local fumigation and application tubes.

[0006] The gas flow equalizer part includes: a frame, a flow equalizer tube that is detachably connected to the inside of the frame and extends a certain distance from the upper end of the frame, a variable speed fan that is connected to the flow equalizer tube through an intermediate tube and is detachably connected to the bottom end of the frame, a gas diverter that is connected to the air outlet of the variable speed fan and fixedly connected to the lower part of the frame, an air inlet bend pipe that is connected to the upper end of the flow equalizer tube, and a gas inlet pipe that is located on the upper part of the side wall of the flow equalizer tube and is connected to the flow equalizer tube.

[0007] Furthermore, the air inlet bend is connected to the flow equalizer and extends from the upper end of the flow equalizer into the inner center position of the upper end of the flow equalizer; the gas inlet pipe is horizontally connected to the flow equalizer, and its air inlet end is bent downward; the air inlet end of the gas inlet pipe is coaxially opened vertically downward with the air inlet end of the air inlet bend.

[0008] Furthermore, the air inlet end of the air inlet elbow is fixedly connected with a conical air outlet.

[0009] Furthermore, the gas diversion component is horizontally arranged on the frame, and includes a gas diversion cylinder with both ends fixed to the frame, and a plurality of valves evenly connected to the gas diversion cylinder; the valves are connected to the local fumigation and application pipe through a hose.

[0010] Furthermore, the middle section of the intermediate pipe is connected to a vertical hose.

[0011] Furthermore, the air inlet end of the air inlet elbow is detachably connected to a one-way valve.

[0012] Furthermore, an air filter cartridge is fixedly connected to the one-way valve away from the air inlet elbow.

[0013] Furthermore, the variable speed fan is detachably connected to the lower end of the frame by two symmetrically distributed "Z"-shaped fixing parts.

[0014] Furthermore, the four corners of the bottom end of the frame are detachably connected with universal wheels.

[0015] Furthermore, the lower portion of the intermediate tube is connected to a gas concentration detection joint.

[0016] Beneficial effects of the utility model:

[0017] (1) An air inlet bend is connected to the uniform flow tube and extends from the upper end of the uniform flow tube into the inner center of the upper end of the uniform flow tube; the gas inlet pipe is horizontally connected to the uniform flow tube, and its air inlet end is bent downward; the air inlet end of the gas inlet pipe and the air inlet bend are coaxially opened vertically downward. This method can make the incoming air and sulfuryl fluoride gas quickly mixed, ensuring the uniformity of the mixed gas;

[0018] (2) The concentration of sulfuryl fluoride gas introduced is diluted by mixing air with sulfuryl fluoride gas, and the lethal dose for stored grain pests is accurately reached, thus avoiding the waste of pesticides. Compared with the original method of directly introducing sulfuryl fluoride gas, the amount of sulfuryl fluoride gas used is effectively reduced, saving the fumigation cost. Moreover, due to the small amount of sulfuryl fluoride gas used, the residue of sulfuryl fluoride gas is avoided, thus ensuring the quality of grain. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the combined structure of the gas flow equalizer and the electric control cabinet;

[0021] Figure 3 This is a diagram showing the positions of the air inlet elbow and the gas inlet pipe inside the uniform flow cylinder;

[0022] Figure 4 This is a schematic diagram of the local fumigation application pipe structure.

[0023] In the figure,

[0024] 1-Sulfuryl fluoride gas cylinder, 2-flow controller, 3-gas flow equalizer, 4-electric control cabinet, 5-check valve, 6-air filter cartridge, 7-universal wheel, 8-local fumigation application tube;

[0025] 31-frame, 32-flow uniformity tube, 33-intermediate tube, 34-speed variable fan, 35-gas diverter, 36-air inlet elbow, 37-gas inlet pipe;

[0026] 331-vertical hose, 332-gas concentration detection connector;

[0027] 351-gas diversion cylinder, 352-valve;

[0028] 361-conical air outlet;

[0029] 81-hole. DETAILED DESCRIPTION

[0030] The following further describes specific embodiments of the present invention in conjunction with the accompanying drawings. It should be noted that the descriptions of these embodiments are intended to aid understanding of the present invention and do not constitute limitations on the present invention. Furthermore, the technical features involved in the various embodiments of the present invention described below may be combined with one another as long as they do not conflict with one another.

[0031] A sulfuryl fluoride local fumigation device, referring to Figure 1-4 As shown, it includes a sulfuryl fluoride gas cylinder 1, a flow controller 2, a gas flow equalizer 3, an electric control cabinet 4, and a local fumigation and application tube 8; the flow controller 2 is connected to the bottle mouth of the sulfuryl fluoride gas cylinder 1 through a hose; the gas flow equalizer 3 is connected to the flow controller 2 through a hose; the electric control cabinet 4 is detachably connected to the frame of the gas flow equalizer 3, and is electrically connected to the flow controller 2 and the gas flow equalizer 3 respectively; a plurality of local fumigation and application tubes 8 are connected to the gas flow equalizer 3 through the hose; a plurality of holes 81 are vertically opened on the local fumigation and application tube 8;

[0032] It should be noted that the sulfuryl fluoride gas cylinder 1 can provide sulfuryl fluoride gas for grain pest control; the flow controller 2 can adjust the exhaust gas flow of the sulfuryl fluoride gas cylinder 1 so that the flow of sulfuryl fluoride gas entering the gas flow equalizer 3 is stable; the electric control cabinet 4 is used to control the flow controller 2 and the gas flow equalizer 3, which is an existing technology and can be easily understood by those skilled in the art.

[0033] The gas flow equalizer 3 includes: a frame 31, a flow equalizer tube 32 that is detachably connected to the inside of the frame 31 and extends a certain distance from the upper end of the frame 31, a variable speed fan 34 that is connected to the flow equalizer tube 32 through an intermediate tube 33 and is detachably connected to the bottom end of the frame 31, a gas diverter 35 that is connected to the air outlet of the variable speed fan 34 and fixedly connected to the lower part of the frame 31, an air inlet bend 36 that is connected to the upper end of the flow equalizer tube 32, and a gas inlet pipe 37 that is located on the upper part of the side wall of the flow equalizer tube 32 and is connected to the flow equalizer tube 32.

[0034] Obviously, the frame 31 can provide support for the remaining components; the flow-distributing cylinder 32 is a space for mixing air and sulfuryl fluoride gas; the intermediate tube 33 can bring the mixed gas into the gas diverter 35 through the variable-speed fan 34; the air inlet elbow 36 is a pipe for air to enter; the gas inlet pipe 37 is a pipe for sulfuryl fluoride gas to enter; the local fumigation and application pipe 8 with a plurality of holes 81 is used to pass the mixed gas into the grain pile for insecticide.

[0035] Specifically, the air inlet bend 36 is connected with the flow equalizer tube 32 and extends from the upper end of the flow equalizer tube 32 into the inner center position of the upper end of the flow equalizer tube 32; the gas inlet pipe 37 is horizontally connected with the flow equalizer tube 32, and its air inlet end is bent downward; the air inlet end of the gas inlet pipe 37 is coaxially and vertically downwardly opened with the air inlet end of the air inlet bend 36. This method can enable the incoming air and sulfuryl fluoride gas to be quickly mixed, ensuring the uniformity of the mixed gas.

[0036] Specifically, in order to disperse the air entering the uniform flow tube 32 , a conical air outlet tube 361 is fixedly connected to the air inlet end of the air inlet elbow 36 .

[0037] Specifically, the gas diverter 35 is horizontally mounted on the frame 31 and comprises a gas diverter tube 351 fixedly connected to the frame 31 at both ends, and a plurality of valves 352 uniformly connected to the gas diverter tube 351. The valves 352 are connected to the local fumigation and application tube 8 via flexible hoses. The mixed gas discharged from the variable-speed blower 34 is dispersed through the gas diverter tube 351.

[0038] Specifically, in order to prevent gas leakage during the connection process, a vertical hose 331 is connected to the middle section of the intermediate pipe 33 .

[0039] Specifically, in order to prevent the air entering the flow-uniform cylinder 32 from flowing back, a one-way valve 5 is detachably connected to the air inlet end of the air inlet elbow 36 .

[0040] Specifically, in order to prevent impurities and moisture from entering the flow-uniform tube 32 and affecting the insecticide effect, an air filter tube 6 is fixedly connected to the one-way valve 5 away from the air inlet elbow 36 .

[0041] Specifically, in order to further fix the variable speed fan 34 , the variable speed fan 34 is detachably connected to the lower end of the frame 31 by two symmetrically distributed “Z”-shaped fixing members 341 .

[0042] Specifically, in order to facilitate the movement of the gas flow equalization part, the four corners of the bottom end of the frame 31 are detachably connected with universal wheels 7 .

[0043] Specifically, the lower portion of the intermediate tube 33 is connected to a gas concentration detection connector 332 , which can facilitate detection of the gas after mixing.

[0044] The working principle of this utility model:

[0045] When it is necessary to carry out sulfuryl fluoride fumigation to kill insects in the granary, the sulfuryl fluoride local fumigation device is moved to a predetermined position, then the power is connected, the valve of the sulfuryl fluoride cylinder 1 is opened, and the sulfuryl fluoride gas is introduced into the uniform flow tube 32 of the gas uniform flow part 3 according to a predetermined amount through the flow controller 2; at the same time, the air enters the uniform flow tube 32 through the air filter tube 6, the one-way valve 5 and the air inlet bend 36; in the uniform flow tube 32, the air inlet bend 36 is connected with the uniform flow tube 32 and extends from the upper end of the uniform flow tube 32 into the inner center position of the upper end of the uniform flow tube 32; the gas inlet pipe 37 is horizontally connected with the uniform flow tube 32, and its air inlet end is bent downward; the air inlet end of the gas inlet pipe 37 is coaxial with the air inlet end of the air inlet bend 36 and is opened vertically downward. The air and sulfuryl fluoride gas that enter can be quickly mixed to ensure the uniformity of the mixed gas; the mixed gas enters the gas diversion cylinder 351 through the variable speed fan 34 and passes the mixed gas into the local fumigation and pesticide application pipe 8 through the hose connected to the valve 352. The local fumigation and pesticide application pipe 8 can be inserted into the grain pile to fumigate the insect-infested parts of the grain, and the local fumigation and pesticide application pipe 8 can be connected as needed to ensure that the grain pile is fully insecticidal; the method of mixing sulfuryl fluoride gas with air effectively reduces the amount of sulfuryl fluoride gas used and saves fumigation costs compared to the original method of directly introducing sulfuryl fluoride gas. Moreover, due to the small amount of sulfuryl fluoride gas used, the residue of sulfuryl fluoride gas is avoided, ensuring the quality of the grain. The present application adopts a variable speed fan 34 for airflow guidance, which improves the fumigation efficiency. Compared with the original method, the speed is faster and the effect is better.

[0046] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It is apparent to those skilled in the art that various changes, modifications, substitutions, and variations to these embodiments may be made without departing from the principles and spirit of the present invention, and these changes and modifications still fall within the scope of protection of the present invention.

Claims

1. A sulfuryl fluoride local fumigation device, characterized in that: include, Sulfuryl fluoride gas cylinder (1); A flow controller (2), the flow controller (2) being connected to the bottle opening of the sulfuryl fluoride gas cylinder (1) via a hose; A gas flow equalizer (3), the gas flow equalizer (3) being connected to the flow controller (2) via a hose; An electric control cabinet (4), the electric control cabinet (4) being detachably connected to the frame of the gas flow equalizer (3) and electrically connected to the flow controller (2) and the gas flow equalizer (3) respectively; A local fumigation and drug application tube (8), wherein a plurality of the local fumigation and drug application tubes (8) are connected to the gas flow uniformity portion (3) via a hose; a plurality of holes (81) are vertically opened on the local fumigation and drug application tube (8); The gas flow-leveling portion (3) comprises: a frame (31), a flow-leveling cylinder (32) detachably connected to the interior of the frame (31) and extending a certain distance from the upper end of the frame (31), a variable-speed fan (34) connected to the flow-leveling cylinder (32) through an intermediate tube (33) and detachably connected to the bottom end of the frame (31), a gas flow diverter (35) connected to the air outlet of the variable-speed fan (34) and fixed to the lower part of the frame (31), an air inlet bend (36) connected to the upper end of the flow-leveling cylinder (32), and a gas inlet pipe (37) located on the upper part of the side wall of the flow-leveling cylinder (32) and connected to the flow-leveling cylinder (32).

2. The sulfuryl fluoride local fumigation device according to claim 1, characterized in that: The air inlet bend (36) is connected to the flow equalizer (32) and extends from the upper end of the flow equalizer (32) into the inner center position of the upper end of the flow equalizer (32); the gas inlet pipe (37) is horizontally connected to the flow equalizer (32), and its air inlet end is bent downward; the air inlet end of the gas inlet pipe (37) and the air inlet end of the air inlet bend (36) are coaxially opened vertically downward.

3. The sulfuryl fluoride local fumigation device according to claim 2, characterized in that: The air inlet end of the air inlet elbow (36) is fixedly connected to a conical air outlet tube (361).

4. The sulfuryl fluoride local fumigation device according to claim 2, characterized in that: The gas diversion member (35) is horizontally arranged on the frame (31), and comprises a gas diversion cylinder (351) fixedly connected to the frame (31) at both ends, and a plurality of valves (352) uniformly connected to the gas diversion cylinder (351); the valves (352) are connected to the local fumigation and application pipe (8) through a hose.

5. The sulfuryl fluoride local fumigation device according to any one of claims 1 to 4, characterized in that: The middle section of the intermediate tube (33) is connected to a vertical hose (331).

6. The sulfuryl fluoride local fumigation device according to any one of claims 1 to 4, characterized in that: The air inlet end of the air inlet elbow (36) is detachably connected to a one-way valve (5).

7. The sulfuryl fluoride local fumigation device according to claim 6, characterized in that: An air filter cartridge (6) is fixedly connected to the one-way valve (5) away from the air inlet elbow (36).

8. The sulfuryl fluoride local fumigation device according to any one of claims 1 to 4, characterized in that: The variable speed fan (34) is detachably connected to the lower end of the frame (31) by two symmetrically distributed "Z"-shaped fixing members (341).

9. The sulfuryl fluoride local fumigation device according to any one of claims 1 to 4, characterized in that: Universal wheels (7) are detachably connected to the four corners of the bottom end of the frame (31).

10. The sulfuryl fluoride local fumigation device according to any one of claims 1 to 4, characterized in that: The lower portion of the intermediate tube (33) is connected to a gas concentration detection joint (332).

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