Active safety detection method for dry cleaning machine

An active safety and detection method technology, applied in dry cleaning equipment, washing equipment, textiles and papermaking, etc., can solve problems such as high concentration of dry cleaning solvents, flash explosions, etc., and achieve the effect of avoiding flash explosions and ensuring safety

Inactive Publication Date: 2021-07-09
济南汇捷智能科技有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the deficiencies in the prior art, the present invention provides an active safety detection method for dry cleaning machines, which is used to solve the technical defect that the concentration of dry cleaning solvent in the high temperature mixed steam in the existing dry cleaning machines is too high to easily cause flash explosion

Method used

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  • Active safety detection method for dry cleaning machine
  • Active safety detection method for dry cleaning machine
  • Active safety detection method for dry cleaning machine

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Embodiment Construction

[0030] figure 1 , figure 2 It is the working flow chart of the present invention. After the clothes are washed, the centrifugal fan 01 is started to circulate the air in the washing drum 02 and the drying circulation air duct. After the refrigerator 03 is started, the temperature of the low-temperature coil of the condenser 04 is reduced. The humid air from the washing drum 02 is condensed here, and the mixture of water and dry cleaning solvent obtained by the condensation is captured by the drain channel under the condenser and then discharged, and the dried air continues backward through the subsequent evaporator 05 , the evaporator 05 is heated by the steam boiler 06, the air is heated to form hot air, the hot air is hot dry air, and the hot air continues to pass through the centrifugal fan 01 and then enters the washing tub to dry the clothes. During the cycle, the laundry is dried.

[0031] The technical problem in the prior art is that in the drying process, the mixed...

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Abstract

The invention discloses an active safety detection method for a dry cleaning machine. A dry cleaning solvent concentration detection sensor detects the concentration of steam in a drying circulating air duct or a washing drum and controls the opening and closing of a nitrogen supplementing device and/or an electronic safety valve through an electric signal; the nitrogen supplementing device and/or the electronic safety valve are/is mounted in the drying circulating air duct; moreover, in a drying procedure, the dry cleaning solvent concentration detection sensor detects the concentration value of dry cleaning solvent steam in the drying circulating air duct; and the nitrogen supplementing device is controlled to be started and stopped according to comparison between the steam concentration with a first threshold value A and a second threshold value B. The nitrogen supplementing device and the dry cleaning solvent concentration detection sensor are arranged in the drying circulating air duct, so that the functions of automatic concentration detection and automatic nitrogen supplementing are achieved; the method belongs to an active intervention safety measure; the active anti-explosion safety of the dry cleaning machine with the drying function is achieved; and the method is an active safety measure.

Description

technical field [0001] The invention relates to the technical field of dry cleaning machine drying. Background technique [0002] The current dry cleaning solvents are generally divided into three types according to different materials, synthetic hydrocarbon solvents, for example, isododecane. The second is a chlorofluorosolvent, a typical representative of which is trichlorotrifluoroethane (CFC-113). The third is petroleum solvents, such as D40, D60, etc. [0003] In the drying process, the mixed vapor formed after the dry cleaning solvent evaporates has a flash point, which is the lowest temperature when there is enough fuel in the air to evaporate and dry and start to burn. The flash point is related to the concentration of dry cleaning solvent vapor, internal pressure, temperature and so on. For example, as the temperature inside a dry cleaning machine increases, so does the steam pressure. As the vapor pressure increases, the concentration of flammable liquids evapo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06F43/00
CPCD06F43/005
Inventor 谭江
Owner 济南汇捷智能科技有限公司
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