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Fruit and vegetable cleaning machine

A technology of fruit and vegetable cleaning machine and water-permeable diaphragm, which is applied in water/sewage treatment, food treatment, water/sludge/sewage treatment, etc. It can solve the problems of poor removal effect of heavy metals in ozone and pungent odor, etc., to achieve The oxidative degradation reaction is sufficient and comprehensive, the effect of preventing the deterioration of biological indicators and increasing the contact area

Active Publication Date: 2014-07-23
DALIAN SHUANGDI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the fatal problem of ozone oxidation is that it is accompanied by pungent odor, especially the possible generation of strong carcinogen - bromate
In addition, ozone is not effective for the removal of residual heavy metals in fruits and vegetables

Method used

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  • Fruit and vegetable cleaning machine
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The fruit and vegetable cleaning machine of this embodiment, see figure 1 and figure 2 , comprising a water container 10 and an electrolysis power supply. One electrolysis unit 20 is arranged in the water container 10 of this embodiment.

[0039] Such as image 3 and Figure 4 As shown, the electrolysis unit 20 includes a pair of cathode electrode 2 and anode electrode 3 . The electrolysis power supply is used to supply power to the cathode electrode 2 and the anode electrode 3 . A water-permeable diaphragm 4 is arranged between the cathode electrode 2 and the anode electrode 3 of each pair.

[0040] The water-permeable diaphragm 4 of this embodiment adopts a single-layer PVDF ultrafiltration membrane (polyvinylidene fluoride membrane) with an average water-permeable pore diameter of 0.03 micron; of course, the water-permeable diaphragm 4 of this embodiment can also adopt other materials. The water-permeable pore diameter can be between less than or equal to 2 mi...

Embodiment 2

[0078] The fruit and vegetable cleaning machine of this embodiment is basically the same as that of Embodiment 1, and the changes different from Embodiment 1 are: 1) The electrolysis unit 20 includes two pairs of cathode electrodes 2 and anode electrodes 3; 2) The water-permeable diaphragm 4 and the cathode and anode electrodes 3) The two ends of the water-permeable diaphragm 4 respectively exceed the cathode and anode electrodes by a short distance; 4) Each pair of cathode electrodes 2 and anode electrodes 3 are placed parallel to each other and horizontally in the water quality adjustment unit 20, and the two pairs of cathode electrodes 2 and the anode 3 are located on the upper and lower sides of the separator (not shown in the figure).

Embodiment 3

[0080] The fruit and vegetable cleaning machine of this embodiment is basically the same as Embodiment 1, and the changes different from Embodiment 1 are: 1) the positive electrode 3 is an inert electrode made of carbonaceous materials such as graphite and activated carbon; 2) the water-permeable diaphragm 4 is A single-layer water-permeable diaphragm made of carbonaceous materials such as graphite and activated carbon; 3) The distance δ1 between the water-permeable diaphragm 4 and the anode electrode 3 is 8mm; 4) The distance δ2 between the water-permeable diaphragm 4 and the cathode electrode 2 is 0.05mm.

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Abstract

The invention relates to a fruit and vegetable cleaning machine and belongs to the technical field of electrolysis equipment. The fruit and vegetable cleaning machine comprises a water container and an electrolysis source. At least one electrolysis unit is arranged in the water container. The electrolysis unit comprises at least one pair of negative electrode and positive electrode. The electrolysis source is used for supplying electricity to the negative electrode and the positive electrode. A water-permeable membrane is arranged between the negative electrode and the positive electrode in pair. The water permeating bore diameter of the water-permeable membrane is less than or equal to two millimeters and greater than or equal to one nanometer. By means of the fruit and vegetable cleaning machine, source water can be made into hydrogen-enriched water which contains a large number of ultra-micro hydrogen bubbles and has high reducing capacity and bactericidal ability, residual pesticide and insecticide in food such as fruits and vegetables can be degraded efficiently and safely, and therefore health is benefited.

Description

technical field [0001] The invention relates to a fruit and vegetable cleaning machine, which belongs to the technical field of electrolysis equipment. Background technique [0002] Pesticides and toxic heavy metals or inorganic substances remaining in vegetables and fruits are increasingly a concern to the public. That's why organic vegetables are sold and sought after. However, the price of organic vegetables is 3-10 times that of ordinary vegetables. For ordinary people, the economic pressure to eat organic vegetables all year round is too great. On the other hand, the state does not have uniform standards for organic vegetables, and most of the sellers who claim to be organic vegetables are individual businesses. Whether it's actually "organic" is confusing. [0003] Accompanied by the needs of the market, and to meet the needs of the consumer public. The market has launched a washing machine for vegetables and fruits that can degrade pesticides. There are two main ...

Claims

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Application Information

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IPC IPC(8): A23N12/02C02F1/461
CPCA23N12/02C02F1/46104C02F1/4672C02F2001/46133C02F2201/46115C02F2201/4617
Inventor 肖志邦
Owner DALIAN SHUANGDI TECH
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