CN211531894U

CN211531894U - Allicin fumigation device of gland grain stack

Info

Publication number: CN211531894U
Application number: CN201922383276.3U
Authority: CN
Inventors: 王达能; 邓树华; 吴树会; 杨振和; 周剑宇; 黄力; 张晓燕; 黄卫
Original assignee: Hunan Grain And Oil Product Quality Monitoring Center
Current assignee: Hunan Grain And Oil Product Quality Monitoring Center
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-09-22
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a gland grain stack's allicin fumigation apparatus, it relates to grain storage technical field, and it contains explosive box, evaporation structure, blast pipe, air supply fan, dispersed structure, return air fan, return air pipe, tee bend, one-level desorption pipe, second grade desorption pipe and valve, through control flap, solves volatility, penetrability, homogeneity and the exhaust emissions problem of allicin fumigation in-process, is suitable for gland grain stack and the stifling use of allicin.

Description

Allicin fumigation device of gland grain stack

Technical Field

The utility model relates to an allicin fumigation apparatus of gland grain heap belongs to grain storage technical field.

Background

The prevention and control of the stored grain pests in domestic grain depots mainly takes hydrogen phosphide fumigation as a main measure, and the problems of pest resistance, pest resurgence, pesticide residue and the like are increasingly serious since the hydrogen phosphide is a highly toxic pesticide and is continuously and repeatedly used for 50 years since the last 60 years introduced into China, so that the replacement technology of the hydrogen phosphide is an important direction for the research of the grain storage field all the time. Allicin, one of the main effective components of garlic, has been widely applied to the fields of food additives, medical intermediates, cultural relic mildew prevention and the like, has good control effects on common grain storage pests such as corn weevil, triboliucharide and the like, and the development of a green grain storage fumigant by using allicin and derivatives thereof becomes one of the hotspots of the current research. Therefore, the design and development of the allicin fumigation device suitable for pressing the grains are important contents for researching the popularization and application of the allicin fumigant in the grain industry.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a gland grain stack's allicin fumigation apparatus, its structure is simple relatively, has solved volatility, penetrability, homogeneity and the exhaust emissions problem of the stifling in-process of allicin, is suitable for the stifling use of gland grain stack allicin.

A allicin fumigation apparatus of gland grain heap, it contains the explosive box, evaporation structure, the blast pipe, air supply fan, the dispersed structure, the return air fan, the return air pipe, the tee bend, the one-level desorption pipe, second grade desorption pipe and valve, explosive box and evaporation structure are located the granary outside, explosive box passes through the pipeline with evaporation structure and links to each other, the blast pipe links to each other with evaporation structure upper portion, air supply fan is located inside the blast pipe, the dispersed structure is located the end of blast pipe, return air pipe one end links to each other with the granary vent, the other end links to each other with the explosive box, the return air fan is located the return air pipe, the return air pipe is being connected respectively to three interface, valve and explosive box, valve control one-level desorption pipe and second grade desorption pipe, one-level desorption pipe and second grade desorption pipe pass through the pipeline and link to each other.

The explosive box is double-deck stainless steel material, has and puts the medicine control valve.

The evaporation structure is electrothermal evaporation, and the evaporation capacity of the medicament per hour is 500mL-2000 mL.

The dispersing structure is composed of a cone and a plurality of radial stainless steel pipes which are uniformly arranged, the cone is sleeved on the blast pipe, dispersing holes are formed in the stainless steel pipes, and the opening rate of the stainless steel pipes is 20% -40%.

The filler of the primary desorption pipe is activated carbon.

The filler of the secondary desorption pipe is sodium bicarbonate.

The utility model has the advantages that: the novel allicin fumigation device is relatively simple in structure and convenient to use, solves the problems of volatility, penetrability, uniformity and tail gas emission in the allicin fumigation process, is suitable for the use of allicin fumigation in a pressed grain stack, and lays a foundation for the popularization and the use of the allicin fumigation in a large grain stack.

Drawings

For ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.

Fig. 1 is a schematic view of the overall plane structure of the present invention.

1-a medicine storage box; 2-an evaporation structure; 3-blast pipe; 4-air supply fan; 5-a dispersed structure; 6-air return pipe; 7-return air fan; 8-a tee joint; 9-first-stage desorption pipe; 10-secondary desorption tube; 11-valve.

Detailed Description

The present invention will be further described with reference to the following drawings.

As shown in the figures, the specific embodiment of the present invention adopts the following technical solutions: the device comprises a medicine storage box 1, an evaporation structure 2, an air supply pipe 3, an air supply fan 4, a dispersion structure 5, a return air pipe 6, a return air fan 7, a tee joint 8, a primary desorption pipe 9, a secondary desorption pipe 10 and a valve 11, wherein the medicine storage box 1 and the evaporation structure 2 are positioned outside a granary, the medicine storage box 1 is connected with the evaporation structure 2 through a pipeline, the air supply pipe 3 is connected with the upper part of the evaporation structure 2, the air supply fan 4 is positioned inside the air supply pipe 3, the dispersion structure 5 is positioned at the tail end of the air supply pipe 3, one end of the return air pipe 6 is connected with a granary ventilation opening, the other end of the return air pipe is connected with the medicine storage box 1, the return air fan 7 is positioned in the return air pipe 6, the tee joint 8 is positioned on the return air pipe 6, the three interfaces are respectively connected with the return air pipe 6, the valve 11 and the medicine storage box 1, the valve 11 controls the.

The medicine storage box 1 is made of double-layer stainless steel and is provided with a medicine placing control valve.

The evaporation structure 2 is electrothermal evaporation, and the evaporation amount of the medicament per hour is 1000 mL.

The dispersing structure 5 is composed of a cone and six radial stainless steel pipes, the cone is sleeved on the blast pipe 3, dispersing holes are formed in the stainless steel pipes, and the opening rate of the stainless steel pipes is 25%.

The filler of the primary desorption pipe 9 is activated carbon.

The filler of the secondary desorption pipe 10 is sodium bicarbonate.

The utility model discloses a concrete application method: the utility model is arranged in a granary which is going to carry out the fumigation of the allicin, the dispersion structure 5 is arranged in the grain pile, and the tee joint 8, the return air pipe 6 and the medicine storage box 1 are in a communicated state and are not communicated with the primary desorption pipe 9 through the control valve 11; opening a medicine placing control valve of a medicine storage box 1, placing an allicin fumigant, starting an evaporation structure 2, then opening an air supply fan 4 and an air return fan 7, wherein the allicin fumigant is heated and evaporated into a gaseous state, enters a dispersion structure 5 through an air supply pipe 3 and the air supply fan 4 under the action of wind power, gradually diffuses and permeates in a grain pile, and the gas at the lower layer of the grain pile enters the medicine storage box 1, the evaporation structure 2, the air supply pipe 3, the air supply fan 4 and the dispersion structure 5 under the action of the air return fan 7, and the steps are repeated in such a circulating way to form circulating fumigation; when the container is sealed for a certain time, a fumigating effect is achieved, the desorption work of allicin (equivalent to the ventilation and air dissipation of fumigation) is carried out, the tee joint 8, the air return pipe 6 and the medicine storage box 1 are in a non-communicated state and are in a communicated state with the primary desorption pipe 9 through the control valve, the air return fan 7 is started, allicin gas desorbed from grain particles enters the air return pipe 6, the air return fan 7 and the tee joint 8 along with wind power, then enters the primary desorption pipe 9, is adsorbed by activated carbon and then enters the secondary desorption pipe 10, water vapor and other acidic gases are adsorbed by sodium bicarbonate, and the up-to-standard tail gas is discharged into the air or is collected by a tail gas collecting device.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A allicin fumigation device for capping a grain pile is characterized by comprising a medicine storage box (1), an evaporation structure (2), an air supply pipe (3), an air supply fan (4), a dispersion structure (5), an air return fan (7), an air return pipe (6), a tee joint (8), a primary desorption pipe (9), a secondary desorption pipe (10) and a valve (11), wherein the medicine storage box (1) and the evaporation structure (2) are positioned outside the grain pile, the medicine storage box (1) is connected with the evaporation structure (2) through a pipeline, the air supply pipe (3) is connected with the upper part of the evaporation structure (2), the air supply fan (4) is positioned inside the air supply pipe (3), the dispersion structure (5) is positioned at the tail end of the air supply pipe (3), one end of the air return pipe (6) is connected with the grain pile, the other end of the air return pipe is connected with the medicine storage box (1), and the air return fan (7) is positioned in the air return pipe (6), the tee joint (8) is positioned on the air return pipe (6), the three connectors are respectively connected with the air return pipe (6), the valve (11) and the medicine storage box (1), the valve (11) controls the first-stage desorption pipe (9) and the second-stage desorption pipe (10), and the first-stage desorption pipe (9) is connected with the second-stage desorption pipe (10) through a pipeline.

2. The allicin fumigation device for capping a grain pile as claimed in claim 1, wherein the dispersion structure (5) is composed of a cone and a plurality of radial stainless steel pipes which are uniformly arranged, the cone is sleeved on the blast pipe (3), the stainless steel pipes are provided with dispersion holes, and the aperture ratio of the stainless steel pipes is 20% -40%.