ES1174234U - Ethylene anti-humidity elimination filter (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Anti-humidity ethylene removal filter manufactured in a cylindrical grid tube as support, being based on an ethylene absorber compound characterized by being protected with a high perspiration and liquid repellent wrapping, which allows to guarantee an effectiveness in terms of the absorption of ethylene and at the same time the cleaning of the air. (Machine-translation by Google Translate, not legally binding)

Description

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DESCRIPTION

ANTIHUMEDAD ETHYLENE ELIMINATION FILTER INDUSTRIAL APPLICATION FIELD

This invention tries to solve the problems that are generated in all enclosures where fresh fruits and vegetables are stored or transported. Volatile gases are concentrated in them, especially ethylene, which are responsible for their maturation and aging, even rotting. It also tries to avoid that the condensation of the humidity of the surroundings can affect those products.

In a work carried out by the University of Valencia entitled "The role of Ethylene Absorbers based on Potassium Permanganate on the Physicochemical properties during the storage of Five Varieties of Tomatoes" it is stated that, although tomatoes must ripen at room temperature to obtain the better taste, most consumers who keep food at home store the tomatoes in the fridge for 4-7 days and some people even keep the tomatoes for up to 3 weeks in these conditions.In this work the effects of storage time were evaluated and the potassium permanganate ethylene absorption bags under refrigerated conditions on physicochemical properties, ascorbic acid content and antioxidant capacity of five tomato varieties (Cherry, Cherry Pear, Rama, Raf and Pear) After 25 days of storage at 4 +/- 2 ° C an increase in the pH of the fruit was observed for the five varieties without and with abs envelopes ethylene orbitors. The increase in pH was parallel to a decrease in titratable acidity. Ascorbic acid degradation during storage time with and without ethylene absorber envelopes followed a first-order kinetic model. Overall, the percentage of loss of ascorbic acid and antioxidant capacity measured was significantly lower in tomatoes stored with ethylene absorber sachets compared to tomatoes preserved without them. The results of this work can be applied practically to all vegetables and vegetables.

STATE OF THE PREVIOUS TECHNIQUE

At present, the ethylene absorption filters that are marketed use practically the same packaging system. These filters are similar since the support tube is a grid, the differences are small, a tube has a greater light than others, but they all have the same problem, they are affected by condensations that can be generated inside the trucks or containers

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The filters are placed in two ways.

1 ° In the return of the cold equipment air, taking advantage of the air flow that is generated in the return and this is passed through the filters. This usually generates a problem when the fruits are loaded into the truck or container without precooling, causing an excess of humidity, this humidity is transferred by the air flow generated by the cold equipment forcing it to pass through the filters and coming into contact with the ethylene absorber. The ethylene absorbers are formulated with potassium permanganate which, when it comes into contact with excess moisture, stains purple and it travels through the air staining the fruits, this generates an enormous damage to the exporters since the stained fruits are not Suitable for sale.

2 ° The second arrangement of the filters is to put 2 in the front on the floor and another 2 in the rear. This continues to create the same problem because moisture condensations are deposited on the ground staining this purple color and causing the air generated inside the container or truck to get stained equally as it is wet and causes the stain the fruits with the corresponding damage to the exporter.

There are several patents related to the elimination of ethylene in these environments. For a long time, the product has been put in thermo-sealed food paper bags of adequate size for its use, which produces the desired effect simply and efficiently. Examples of this use are reflected in the Spanish patents P2233200 and P 2235644. Also the utility model U201630344 claims a filter of similar characteristics, but with the difference that it allows water vapor to pass, with the drawback that we have already mentioned .

EXPLANATION OF THE INVENTION

The filters that exist in the market for the elimination of ethylene are cylindrical in shape with different measures. The material used is usually both rigid and flexible plastic coated by very small light grids to prevent the exit of dust and others without coatings. These types of filters are effective in normal conservation situations where the fruits have been pre-cooled and do not produce exudation in the course of transport time. When the vegetables have not been precooled in the course of transport, exudation occurs, which causes the excess water in the environment to be transported by the air of the cold equipment and pass through the filters soaking the product they contain in its interior; This product based on potassium permanganate gets wet and stains the water that circulates through it, dying purple and reaching, at

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through the recirculation of the cold equipment, to be deposited on the vegetables, causing stains and with it the rejection of the product.

The filter we claim is protected with a high-breathable and liquid-repellent wrap, which guarantees an effectiveness in terms of ethylene absorption and at the same time cleaning in the air. For this we use different means of high permeability to ethylene and liquid repellent, guaranteeing the cleaning in the absorption of ethylene during the transport of containers or refrigerated trucks

BRIEF DESCRIPTION OF THE DRAWINGS

In Figure 1 you can see the representations of the filter, uncovered in perspective a and covered in its wrapper in b.

DETAILED EXHIBITION OF AN EMBODIMENT

As we have mentioned, in the course of the transport of fruits and vegetables, exudation occurs, which causes the excess water in the environment to be transported by the air of the cold equipment and pass through the filters wetting the product they contain in its interior. This product based on potassium permanganate gets wet and stains the water that circulates through it in purple, reaching through the recirculation of the cold equipment to be deposited on vegetables, causing stains.

The solution of the problem is a cylindrical filter, figure 1, or in the form of C, S or V or any shape that allows a wide air flow using plastic materials, fibers and even being able to use cardboard, containing inside an absorber of ethylene composed of a sepiolite impregnated with potassium permanganate.

This filter will be completely covered with a non-woven fabric, figure 2, of high breathability and liquid repellent, with laser microperforated polypropylene or any other material of high breathability and waterproofing. In this way the passage of air is allowed, but not that of water, thus avoiding the problem of stains on the vegetables and with it the claims.

Claims (1)

10 fifteen 1- Anti-humidity ethylene elimination filter manufactured in a cylindrical grid tube as a support, being based on an ethylene absorbing compound characterized by being protected with a high-breathable and liquid-repellent wrap, which guarantees an effectiveness in terms of ethylene absorption and at the same time air cleaning. 2- Removal filter of ethylene moisture according to claim 1, characterized by allowing a wide air flow, using plastic materials, fibers and even cardboard. 3- Anti-humidity ethylene removal filter according to claim 1, characterized in that it contains inside an ethylene absorber composed of a sepiolite impregnated with potassium permanganate. 4- Anti-humidity ethylene removal filter according to claim 1, characterized in that the filter is completely covered with a non-woven fabric, high breathability and liquid repellent. 5- Anti-humidity ethylene removal filter according to claim 4, characterized in that the coating is based on laser microperforated polypropylene.