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Electroheating fumigating device

A fumigator and electric heating technology, applied in fumigators, devices for capturing or killing insects, applications, etc., can solve the problems of inapplicability, evaporation of pesticides, and few, etc., and achieve the effect of excellent fumigation effect.

Inactive Publication Date: 2002-10-30
BEIJING TAIMING SCI & INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These heating fumigation devices in the prior art are solid at normal temperature, but are liquid pesticides at the heating fumigation temperature.
In addition, the heating temperature of these types of devices is generally between 90-170°C. At this relatively low temperature, it is impossible to evaporate the pesticide in a short time, and some pesticides do not reach the volatilization point at this temperature. Therefore, the desired effect of controlling pests and diseases cannot be obtained quickly
For higher temperatures above 200°C, such as 200-350°C, due to technical and safety reasons such as electrical insulation and heat insulation, as well as materials and accurate temperature control, it is rarely used in practice.

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Electric strength test and heat insulation test of the electric heating fumigator of the present invention.

[0023] The electric heating fumigator of the present invention is subjected to the electric strength test according to the method stipulated in the national standard GB4706.1.

[0024] The heating temperature of the electric heating fumigator of the present invention is 250°C.

[0025] Pilot projects

Test voltage (volts)

Test time (minutes)

test results

cold electric strength

3750

1

No breakdown or flashover

Electric strength at working temperature

3750

1

No breakdown or flashover

Tidal electric strength

3750

1

No breakdown or flashover

[0026] The heating temperature of the electric fumigator of the present invention is 250° C., and the temperature distribution of each part of the fumigator is shown in Table 2.

[0027] Part Name ...

Embodiment 2

[0029] Laboratory control experiment of Periplaneta americana

[0030] The heating temperature of the electric heating fumigator of the present invention is 250°C. The material of the inner cup is aluminum, the diameter of the inner cup is 20mm, and the height is 8mm. The pyrethroid insecticide is etofenprox, the total amount is 600mg, and the dosage is 15mg / m 3 , medicament volatilization 5mg / min. Test insects: Periplaneta americana. For the test method, refer to the national standard GB13917.3-92. Insecticidal effect test conclusions are given in accordance with national standards GB / T17322.3-1998 and GB / T17322.11-1998.

[0031] Table 3 Number of test insects Repeat times KT 50 95% credible limit of KT 48-hour mortality rate (only) (min) (min) (%) 20 3 52.5 33.6-81.9 100

Embodiment 3

[0033] Laboratory Control Test of Blattella germanica

[0034] The heating temperature of the electric heating fumigator of the present invention is 250°C. The material of the inner cup is aluminum, the diameter of the inner cup is 20mm, and the height is 8mm. The pyrethroid insecticide is etofenprox, the total amount is 600mg, and the dosage is 40mg / m 3 , medicament volatilization 5mg / min. Test insects: German cockroach. For the test method, refer to the national standard GB 13917.3-92. Insecticidal effect test conclusions are given in accordance with national standards GB / T17322.3-1998 and GB / T17322.11-1998.

[0035] Table 4 Number of test insects Dosage Experimental time Knockdown rate Mortality (only) (mg / m 3 ) (hour) (%) (%) 20 40 2 100 -

[0036] 24 - 100

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PUM

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Abstract

The electroheating fumigator for fumigating pesticide is formed from internal cup, electric heating component, middle up and middle cup seat, external shell and base, in which the movable internal cup is placed in the middle cup, and directly contacted with the electric heating component built in said middle cup, the middle cup is matched with the middle cup seat, and the latter is connected withthe top end of its external shell. Its fumigating temp, can be up to above 200 deg.C so as to can quickly obtain the effect of volatilizing pesticide, at the same time possess safe and reliable fumigating performance.

Description

technical field [0001] The invention relates to an electric heating fumigator for fumigation of pesticides, in particular to an electric heating fumigator with a fumigation temperature above 200°C. Background technique [0002] There are mainly two types of electric heating fumigation devices in the prior art, one is an electric heating fumigation device for fumigation of liquid, such as the liquid evaporator disclosed in CN88211435, and the other is an electric heating fumigation device for fumigation of solids such as electric mosquito killer sheets, such as the current An electric mosquito killer that fumigates electric mosquito killer sheets commonly used in household. These heating fumigation devices in the prior art are not suitable for pesticides that are solid at normal temperature but liquid at the heating fumigation temperature. In addition, the heating temperature of these types of devices is generally between 90-170°C. At this relatively low temperature, it is i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01M13/00
Inventor 张继宁赵怀国徐谅刘昌基张栩梅韦菁
Owner BEIJING TAIMING SCI & INFORMATION TECH
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