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A large-area factory building sterilization and disinfection device

A sterilization and disinfection device, a large-area technology, applied in disinfection, water supply devices, buildings, etc., can solve the problems of troublesome subsequent treatment of hydrogen peroxide, uneven dispersion of disinfectants, incomplete sterilization, etc., to improve the resistance to hydrogen peroxide. The ability to corrode, reduce maintenance costs, and improve the effectiveness of disinfection efficiency

Active Publication Date: 2020-10-09
ZHEJIANG TAILIN BIOENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to overcome the problems of uneven dispersion of disinfectant in the prior art, poor bactericidal effect, and troublesome hydrogen peroxide follow-up treatment, and provides a sterilizing and disinfection device that can make the disinfectant disperse evenly, have good bactericidal effect, and simplify the follow-up treatment of hydrogen peroxide
[0007] The uneven concentration of hydrogen peroxide in the plant will cause incomplete sterilization

Method used

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  • A large-area factory building sterilization and disinfection device
  • A large-area factory building sterilization and disinfection device
  • A large-area factory building sterilization and disinfection device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] like figure 1 A schematic diagram of the invention of the present embodiment, the factory building is provided with 7 rooms 23 and 1 corridor 24, the left side of the corridor is provided with 4 rooms, and the right side of the corridor is provided with 3 rooms; the factory building sterilization and disinfection device includes distribution control Unit 1, data acquisition unit 2, the distribution control unit includes a PLC controller 11, a vaporized hydrogen peroxide generator 12, a delivery pipeline 13, a plurality of parallel air supply units 14, and each of the 7 rooms and corridors is provided with one The air supply unit, the gas outlet of the vaporized hydrogen peroxide generator is connected to the air supply unit through the delivery pipeline, and the air supply unit includes a high-efficiency filter I141, a fan 142 and an air supply volume regulating valve 143 connected in series through the pipeline, and the hydrogen peroxide After the gas is output from th...

Embodiment 2

[0045] The difference between Embodiment 2 and Embodiment 1 is that an exhaust unit 3 is provided in each of the 7 rooms and corridors, and each exhaust unit is connected in parallel on the exhaust pipeline 4, and the exhaust unit includes a pipeline connected in series through the pipeline. High-efficiency filter II 31 and one-way check valve 32, and the gas outlet of the exhaust pipe is provided with a manganese dioxide decomposer 41.

[0046] The composite material layer is made of the following raw materials in parts by weight: 50 parts of modified polyurethane, 4 parts by weight of titanium dioxide, 0.6 parts of glycidylmioxypropyl trimethoxysilane, 5 parts of polycarboxylic acid, 2-tert-butyl 12 parts of base-4-methyl-6 ethylphenol, 5 parts of dioctadecyl thiodipropionate and 5 parts of triethyl citrate.

[0047] The preparation method of modified polyurethane comprises the following steps:

[0048] 1) Add 0.38mol ethylene glycol into a four-necked flask, heat to 105°C,...

Embodiment 3

[0053] The difference between Example 3 and Example 2 is that the composite material layer is made of the following raw materials in proportions by weight: 60 parts by weight of modified polyurethane, 6 parts by weight of titanium dioxide, 0.8 parts by weight of glycidylmethoxypropyltrimethoxysilane 8 parts, 8 parts of polycarboxylic acid, 15 parts of 2-tert-butyl-4-methyl-6 ethylphenol, 7 parts of dioctadecyl thiodipropionate and 8 parts of triethyl citrate.

[0054] The preparation method of modified polyurethane comprises the following steps:

[0055] 1) Add 0.4mol ethylene glycol into a four-neck flask, heat to 110°C, dehydrate under reduced pressure for 2 hours using a vacuum pump, cool down to 40°C, add 0.15mol triethylenediamine, stir and mix evenly, and then add 0.55 mol toluene diisocyanate, heated up to 70°C, and reacted for 50 minutes under the protection of nitrogen to obtain a polyurethane prepolymer;

[0056] 2) Add 0.45mol novolac epoxy resin to another four-ne...

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Abstract

The invention relates to the technical field of disinfection and discloses a sterilization and disinfection device for a large-area workshop. The sterilization and disinfection device comprises a distribution control unit and a plurality of parallelly-connected data acquisition units, wherein the distribution control unit comprises a PLC (programmable logic controller), a vaporized hydrogen peroxide generator, a delivery pipe and a plurality of parallelly-connected gas delivery units; a gas outlet of the vaporized hydrogen peroxide generator is connected with the gas delivery units through thedelivery pipe; each gas delivery unit comprises a high-efficiency filter I, a fan and a gas supply amount regulation valve which are connected in series sequentially through a pipe; the PLC is connected with the vaporized hydrogen peroxide generator, the data acquisition units and the gas supply amount regulation valves; each data acquisition unit comprises a hydrogen peroxide concentration sensor arranged in a disinfection field as well as a microbial sampler. The sterilization and disinfection device can keep concentration of hydrogen peroxide gas in the workshop in a certain range and hasthe advantages of better sterilization effect and short follow-up hydrogen peroxide residue discharge time.

Description

technical field [0001] The invention relates to the technical field of disinfection, in particular to a sterilization and disinfection device for a large-area workshop. Background technique [0002] Hydrogen peroxide fumigation is an efficient and environmentally friendly disinfection method, and gaseous hydrogen peroxide fumigation is used for high-level disinfection in sterile drug production workshops, biosafety laboratories, and intensive care units, and has become a well-received method. Disinfection measures that are increasingly used. However, this disinfection method has many problems in specific applications. Although the concentration of hydrogen peroxide is too high to kill bacteria, it takes a long time to decompose the residual hydrogen peroxide gas after the sterilization is completed. The cycle is long; the concentration of hydrogen peroxide is too low not only can't kill bacteria, but also can make bacteria develop certain drug resistance, which makes it dif...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61L2/20A61L2/24A61L2/26A61L101/22
CPCA61L2/208A61L2/24A61L2/26A61L2202/13A61L2202/14A61L2202/25
Inventor 叶大林夏信群谢景欣王建锋
Owner ZHEJIANG TAILIN BIOENG
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