WO2016189177A1

WO2016189177A1 - Improvements made to the patent of invention p200931042 by: apparatus for air purification

Info

Publication number: WO2016189177A1
Application number: PCT/ES2016/070300
Authority: WO
Inventors: Eusebio Moro Franco
Original assignee: Ginsa Electronic, S.L.
Priority date: 2015-05-28
Filing date: 2016-04-25
Publication date: 2016-12-01
Also published as: ES2595478B1; ES2595478A1; WO2016189177A8

Abstract

The apparatus comprises a vertical hollow structure having a first perforated side surface as a purified air inlet (1), (2) and a second perforated side surface as a clean air outlet (3), (4). The vertical hollow structure contains filtering units and a ventilator (6), (7) for forcing the passage of air between the air inlet and the air outlet, eliminating the impalpable components, the reaction with the impure gases also eliminating same. The improvements centre around the filtering units comprising a highly efficient air filter (8), a first filtering tray (9) carrying a granulated calcium oxide material, and at least one second filtering tray (10) carrying a granulated active carbon material.

Description

IMPROVEMENTS INTRODUCED IN THE PATENT OF INVENTION P200931042 BY: AIR CLEANING EQUIPMENT

OBJECT OF THE INVENTION

The present invention, as expressed in the statement of this specification, refers to improvements introduced in the invention patent P 200931042 by: air purification equipment, where the equipment basically comprises a support structure that incorporates units inside Filters sandwiched between a dirty air inlet and an outlet of that already clean air, whose impurities have been neutralized and retained by the referred filter units. It is intended to purify the outside environment, especially the urban environment, such as areas of parks, roads, roundabouts etc.

Starting from this premise, the object of the invention are improvements that consist essentially of a new arrangement and composition of the filter part that improves its durability, performance and cost.

TECHNICAL PROBLEM TO BE SOLVED AND BACKGROUND OF THE INVENTION

Currently, different air purification equipment is known, which are designed to purify air from indoor spaces, so that in all cases dirty air enters through an inlet and exits through an outlet, retaining particles within such equipment through different filtration units.

Particularly, the patent with application number P 200931042 refers to an equipment for air purification comprising a vertical hollow structure that is covered by a protective cover, being arranged outside it decorative elements that totally or partially hide said vertical hollow structure, the interior of said hollow structure being incorporated vertical filter units, as well as a fan to force the passage of air between an air inlet and outlet, eliminating impalpable components and the reaction with impure gases eliminating them as well. These air purification equipment are expensive and have a relatively low performance and need frequent maintenance, especially since the filter units need to be changed every little time due to their premature sealing. DESCRIPTION OF THE INVENTION

The equipment for air purification with the improvements of the invention comprises at least one vertical hollow structure that incorporates a first perforated lateral surface as an inlet for purification of air and a second perforated lateral surface as an already clean air outlet; wherein said vertical hollow structure is covered by a protective cover, filtering units being incorporated into said hollow structure, as well as a fan to force the passage of air between the air inlet and outlet, eliminating the impalpable components and the reaction with impure gases eliminating them too.

The filter units comprise a high efficiency air filter, a first filter tray that supports a calcium oxide material in granules, and at least a second filter tray that supports an active carbon material in the form of granules as well.

The contaminated air stream passes first through the high efficiency air filter, then through the first filter pan and then through the second filter pan.

The calcium oxide material comprises ball-shaped granules. between 3 and 8 mm. in diameter, while the active carbon comprises granules having a combined configuration formed by pellets in pellet format and other granules in the form of balls. Some activated carbon granules are impregnated with a bituminous material and the rest of active carbon granules are impregnated with adjuvant compounds such as potassium permanganate and activated alumina.

In one embodiment, the active carbon in pellet format is impregnated with the bituminous material, while the active carbon in the form of balls is impregnated with the adjuvant compounds such as potassium permanganate and activated alumina.

The filter trays incorporate dry path reagents determined by some capture compounds such as calcium oxide and activated carbon, and a photocatalyst compound to remove NO _x , both in powder form.

Each 2 kg of photocatalyst compound includes: - Between 2 and 4 kg of titanium isopropoxide.

- Between 1, 5 and 3 kg of TEOS.

- Between 0.4 and 1 kg of copper phthalocyanine.

In one embodiment, the air inlet is in a lower zone while the air outlet is in a higher zone, in correspondence with which the fan is located.

The vertical hollow structure incorporates side covers for access to the high efficiency air filter and filter trays.

In another embodiment, the air inlet corresponds to a surface upper perforated, while the air outlet corresponds to a lower perforated surface, also incorporating an upper filter unit and a lower filter unit, while the fan is arranged in a central area between the lower and lower filtration units. higher.

The lower filter unit incorporates a heating element to burn captured particles. The equipment incorporates a lower tank arranged in the lower part of the vertical hollow structure that collects particles by gravity, such deposit incorporating a front access cover.

The equipment also incorporates a source of ultraviolet (UV) radiation located before the upper air outlet. It also incorporates a source of ultraviolet (UV) radiation located before the lower air outlet.

It should be noted that the equipment of the invention also includes:

- An air analyzer system that has sensors to control the quality of the purified air.

- A computer system to provide real-time information for various uses.

- A communication with a remote base station for sending and receiving data.

- An interactive screen to act on the team.

On the other hand, the advantages of the filter unit that integrates the granules of activated carbon in pallet format are the following: - It is not flammable.

- It is not toxic. - It is specially designed for acid gases.

- It is easy to eliminate, being completely incinerable.

The advantages of the filter unit that integrates the granules of active carbon in the form of balls, are the following:

- It is not flammable,

- It is not toxic or dangerous.

- It is easy to verify the remaining useful life.

- Inhibits the growth of bacteria and fungi.

- Easy removal.

In an embodiment of the invention, additional filter units are also located within the vertical hollow structure comprising a sulfur dioxide filter, a carbon dioxide filter, a first nitrogen oxide filter, a second oxide filter nitrogen, a first particle filter smaller than 2.5 microns, a second particle filter smaller than 10 microns and a coarse particle filter. Said additional filter units are arranged in order from top to bottom, sandwiched between the air inlet and the air outlet; and where the stream of dirty air entering through the air inlet passes through said additional filter units and also through the rest of the filter units that are within the vertical hollow structure described above.

In one embodiment, the new additional filter units are placed in a first position in which the dirty air stream to be purified first passes through the initial filter units and then passes through the new additional filter units. In another embodiment, the new additional filter units are placed in a second position in which the stream of dirty air to be purified first passes through the new additional filter units and then passes through the initial filter units.

In another embodiment, it is also envisioned that the vertical hollow structure includes only additional filter units in its interior space.

The vertical hollow structure has an upper opening that is closed by a removable cover; where through this mouthpiece you can access the interior space of the vertical hollow structure.

Next, in order to facilitate a better understanding of this descriptive report and forming an integral part thereof, some figures are attached in which the object of the invention has been shown as an illustrative and non-limiting nature.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1.- Shows a front view of the equipment for air purification, with the improvements of the invention.

Figure 2.- Shows a view similar to that shown in figure 1.

Figure 3.- Shows another view of the equipment with the improvements of the invention, where another embodiment is shown different from that shown in the previous figure.

Figure 4.- Shows another view of the team with the improvements, where sculptural elements have also been incorporated.

Figure 5.- Shows another perspective view of the equipment of the invention according to another embodiment different from that shown in the previous figures. DESCRIPTION OF THE PREFERRED EMBODIMENT Considering the numbering adopted in the figures, the air purification equipment with the improvements of the invention comprises a vertical hollow structure that incorporates a first perforated side surface with a multitude of holes as an air inlet (1, 2) to be purified and a second lateral surface also perforated as an already clean air outlet (3, 4), whose impurities have been retained and neutralized inside the equipment of the invention by at least one lower filter unit (5) and other filter units that will be further defined forward attending two different realizations.

Inside the equipment of the invention a fan (6), (7) is also incorporated to force the passage of air in order to achieve greater effectiveness and filtration efficiency. In a first embodiment shown in Figures 1, 2 and 4, the air inlet (1) is in a lower area while the air outlet (3) is located in a higher area. Corresponding to this air outlet (3) is the fan (6), while the lower filter unit (5) is arranged in correspondence with the air inlet (1).

In this first embodiment, a high efficiency air filter (8) (EPA) is located within the vertical hollow structure, above which a first filter tray (9) with calcium oxide in the form of balls is placed between 3 and 8 mm. in diameter, preferably having a diameter of 5mm; and above that first filter tray (9) there is at least a second filter tray (10) with a mixture of active carbon in pellet format (activated palletized carbon) and some activated carbon balls, in a proportion around fifty%. However, this proportion may vary, regardless of active carbon in pallet format and active carbon in balls.

The high efficiency air filter (8) captures solid elements present in the stream of air to be purified, thus preventing said solid elements from saturating the following filtration phases.

The calcium oxide material contained in the first filter tray (9) neutralizes the acidic compounds present in the air stream to be purified, without exerting a high pressure drop in said air stream.

In one embodiment, two second trays (10) are arranged, one above the other and both obviously arranged above the first filter tray (9).

In one embodiment, the activated carbon in pellet format is impregnated with a bituminous material to improve its ability to capture the harmful gases contained in the air stream to be purified. In practice, a product of bituminous material commercially known as SAAFCARBMA is used.

Ball-shaped active carbon is also impregnated with adjuvant compounds such as potassium permanganate and activated alumina. In this case, in practice, a product commercially known as SAAFOXIDANT is also used.

In practice, activated carbon in any of its two presentations can be impregnated with any substance that improves its neutralization capacity of toxic gases. However, in the tests carried out, the most optimal is to use the products with the aforementioned trademarks, and with them the best results have been obtained in combination with the high efficiency air filter and with calcium oxide. The filter trays: first (9) and second (10), support the aforementioned materials and / or catalysts to neutralize the uncaptured harmful compounds per lower filter unit (5).

On the other hand, the lower filter unit (5) incorporates a heating element (1 1) to burn the captured particles thereby improving performance and thus eliminating the most harmful particles.

In this first described embodiment, there is in the lower part of the vertical structure below the lower filter unit (5), a tank (12) for collecting some particles fallen down by gravity, said tank (12) incorporating a front cover (13) access.

In a second embodiment shown in Figure 3, the air inlet (2) corresponds to the upper perforated surface, while the air outlet (4) corresponds to the lower perforated surface.

Furthermore, in this second embodiment, the high efficiency filter (8) and the filter trays (9, 10) are dispensed with, the corresponding fan (7) and also a top filter unit (14) complemented with the lower filter unit (5).

The set of sculptural equipment of the invention in its two versions, is hidden behind decorative exterior pieces (15) that make up a decorative sculpture itself. The equipment of the invention incorporates, preferably in the second embodiment, an ultraviolet (UV) emitting source (16) located before the upper air outlet (2). This ultraviolet (UV) radiation improves the removal of contaminants, as it is an advanced oxidation or photocatalysis mode.

The equipment of the invention also incorporates an analyzer system (17) for control, by sensors, the air quality after purification, a computer system (18) to provide real-time information for various uses (street, Internet, cultural information, etc.) a communication (19) with a remote base station (20) for sending and receiving data and an interactive screen (21) to act on the equipment.

In the first embodiment of the invention, access side covers (22) are provided to be able to extract and / or introduce both the high efficiency air filter (8) and the filter trays (9), (10).

On the other hand, in a preferred embodiment the compounds of the reagents to be used are applied using known techniques, such as the dry route. Thus, a pickup compound and another photocatalyst compound that are both incorporated in the filter units according to the example described below will be used.

Thus, in the first place, the collecting compound comprises the elements mentioned above, such as calcium oxide supported by the first filter tray (9) and active carbon supported by the second filter trays (10).

Secondly, the photocatalyst compound for the elimination of NO _x comprises for each load of 2 kg of catalyst compound the following elements with the proportions by weight indicated below:

- 3 kg of titanium isopropoxide.

- 2.2 kg of TEOS.

- 0.6 kg of copper phthalocyanine. This mixture is stirred for one hour and then dried on trays (deposit 0.5 kg per tray in a well ventilated area). Later it proceeds to the manual shredding of the drying lumps and finally the photocatalyst compound obtained in powder form is deposited on the filter units. In a third embodiment of the invention (Figure 5), an air purification device is provided comprising a vertical hollow structure with a prismatic configuration of rectangular section formed by side walls, a lower base that rests on the floor and a base Removable upper, through which you can access the interior space of the vertical hollow structure.

In a lower part of the vertical hollow structure there is a grouping of perforations that constitute the air inlet to be purified, while in a higher part of said vertical hollow structure there is another grouping of perforations that constitute the already clean air outlet.

Within the vertical hollow structure shown in Figure 5, the elements of the first embodiment shown in Figures 1, 2 and 4 are located in combination with a sulfur dioxide filter (23), a carbon dioxide filter (24 ), a first nitrogen oxide filter (25), a second nitrogen oxide filter (26), a first particle filter (27) smaller than 2.5 microns, a second particle filter (28) smaller than 10 myras and a coarse particle filter (29). These new elements described in the previous paragraph are arranged in order from top to bottom, sandwiched between the air inlet (1) and the air outlet (2), so that the dirty air stream entering through the air inlet (1) passes through the new elements mentioned in the previous paragraph and also through the rest of the initial filter units that are inside the vertical hollow structure of the equipment of the invention, to Finally, the flow of air already clear of impurities through the air outlet (3) goes out.

The vertical hollow structure shown in Figure 5, has an upper opening (30) that is closed by a detachable (31) that is fixed; where, through said mouth, the interior space of the vertical hollow structure where the filter elements are located can be accessed.

Claims

1. - IMPROVEMENTS INTRODUCED IN THE PATENT OF INVENTION P200931042 BY: AIR CLEANING EQUIPMENT, where the equipment comprises at least one vertical hollow structure that incorporates a first perforated side surface as an air inlet (1), (2) to be purified and a second perforated side surface as an air outlet (3), (4) already clean; wherein said vertical hollow structure is covered by a protective cover, filtering units as well as a fan (6), (7) being incorporated inside said hollow structure to force the passage of air between the air inlet and outlet, eliminating the impalpable components and the reaction with impure gases eliminating them as well; characterized in that the filter units comprise:

- a first filter unit consisting of a high efficiency air filter (8);

- a second filter unit consisting of a first filter tray that supports a calcium oxide material in granules (9);

- at least a third filter unit consisting of a second filter tray (10) that supports an active carbon material in the form of granules; where the stream of contaminated air passes first through the high efficiency air filter (8), then through the first filter tray (9) and then through the second filter tray (10).

2. - IMPROVEMENTS INTRODUCED IN THE PATENT OF INVENTION P200931042 BY: AIR CLEANING EQUIPMENT, according to claim 1, characterized in that the calcium oxide material of the second filter tray (9) comprises granules in the form of balls between 3 and 8 mm. diameter.

3.- IMPROVEMENTS INTRODUCED IN THE PATENT OF INVENTION

P200931042 BY: AIR CLEANING EQUIPMENT, according to the claim 1, characterized in that the active carbon of the second filter tray (10) comprises granules having a combined configuration formed by pellets in pellet format and other granules in the form of balls.

4. - IMPROVEMENTS INTRODUCED IN THE INVENTION PATENT P200931042 BY: AIR CLEANING EQUIPMENT, according to claim 1, characterized in that some activated carbon granules are impregnated with a bituminous material and the rest of active carbon granules are impregnated with compounds adjuvants such as potassium permanganate and activated alumina.

5. - IMPROVEMENTS INTRODUCED IN THE PATENT OF INVENTION P200931042 BY: AIR CLEANING EQUIPMENT, according to claims 3 and 4, characterized in that:

- active carbon in pellet format is impregnated with bituminous material;

- Ball-shaped active carbon is impregnated with the adjuvant compounds such as potassium permanganate and activated alumina.

6. - IMPROVEMENTS INTRODUCED IN THE PATENT OF INVENTION P200931042 BY: AIR CLEANING EQUIPMENT, according to the preceding claim, characterized in that the filter trays (9), (10) incorporate dry path reagents determined by collecting compounds such as the calcium oxide and activated carbon, and a photocatalyst compound to remove NO _x , both in powder form.

7. - IMPROVEMENTS INTRODUCED IN THE INVENTION PATENT P200931042 BY: AIR CLEANING EQUIPMENT, according to claim 6, characterized in that every 2 kg of photocatalyst compound is included: - between 2 and 4 kg of titanium isopropoxide;

- between 1, 5 and 3 kg of TEOS;

- between 0.4 and 1 kg of copper phthalocyanine.

8. IMPROVEMENTS INTRODUCED IN THE PATENT OF INVENTION P200931042 BY: AIR CLEANING EQUIPMENT, according to claim 1, characterized in that the air inlet (1) is in a lower area while the air outlet (3) is it is located in a sub-zone, in correspondence with which the fan is located (6).

9. IMPROVEMENTS INTRODUCED IN THE PATENT OF INVENTION P200931042 BY: AIR CLEANING EQUIPMENT, according to claim 8, characterized in that the vertical hollow structure incorporates access side covers (22) to the high efficiency air filter (8) and to the filter trays (9), (10).

10. IMPROVEMENTS INTRODUCED IN THE PATENT OF INVENTION P200931042 BY: AIR CLEANING EQUIPMENT, according to claim 1, characterized in that the air inlet (2) corresponds to an upper perforated surface, while the air outlet (4 ) corresponds to a lower perforated surface, incorporating also a sump filter unit (14) and a lower filter unit (5), while the fan (7) is arranged in a central area between the lower filtration units (5) and higher (14).

11.- IMPROVEMENTS INTRODUCED IN THE PATENT OF INVENTION

P200931042 BY: AIR CLEANING EQUIPMENT, according to claim 10, characterized in that the lower filter unit (5) incorporates a heating element (1 1) to burn captured particles.

12.- IMPROVEMENTS INTRODUCED IN THE PATENT OF INVENTION

P200931042 BY: AIR CLEANING EQUIPMENT, according to the claim 1, characterized in that it incorporates a lower tank (12) disposed in the lower part of the vertical hollow structure that collects particles by gravity, said tank incorporating an access front cover (13).

13. - IMPROVEMENTS INTRODUCED IN THE PATENT OF INVENTION P200931042 BY: AIR CLEANING EQUIPMENT, according to claim 8, characterized in that it incorporates an emitting source of ultraviolet (UV) radiation (16) located before the upper air outlet (2 ).

14. - IMPROVEMENTS INTRODUCED IN THE PATENT OF INVENTION P200931042 BY: AIR CLEANING EQUIPMENT, according to claim 10, characterized in that it incorporates an emitting source of ultraviolet (UV) radiation located before the lower air outlet.

15. - IMPROVEMENTS INTRODUCED IN THE PATENT OF INVENTION P200931042 BY: AIR CLEANING EQUIPMENT, according to claim 1, characterized in that the improvements further include:

- an air analyzer system (17) that has sensors to control the quality of the purified air;

- a computer system (18) to provide real-time information for various uses;

- a communication (19) with a remote base station (20) for sending and receiving data;

- an interactive screen (21) to act on the equipment.

16. - IMPROVEMENTS INTRODUCED IN THE PATENT OF INVENTION P200931042 BY: AIR CLEANING EQUIPMENT, according to claim 1, characterized in that additional filter units comprising a sulfur dioxide filter are also located within the vertical hollow structure (23 ), a carbon dioxide filter (24), a first nitrogen oxide filter (25), a second nitrogen oxide filter (26), a first particle filter (27) smaller than 2.5 microns, a second particle filter (28) smaller than 10 microns and a coarse particle filter (29); wherein said additional filter units (23, 24, 25, 26, 27, 28, 29) are arranged in order from top to bottom, sandwiched between the air inlet (1) and the air outlet (2); and where the dirty air stream entering through the air inlet (1) passes through said additional filter units (23, 24, 25, 26, 27, 28, 29) and also through the other filter units ( 8, 9, 10) found within the vertical hollow structure.

17. - IMPROVEMENTS INTRODUCED IN THE INVENTION PATENT P200931042 BY: AIR CLEANING EQUIPMENT, according to claim 16, characterized in that the additional filter units (23, 24, 25, 26, 27, 28, 29) are placed in a first position in which the dirty air stream to be purified first passes through the filter units (8, 9, 10) and then passes through said additional filter units (23, 24, 25, 26, 27, 28, 29).

18. - IMPROVEMENTS INTRODUCED IN THE INVENTION PATENT P200931042 BY: AIR CLEANING EQUIPMENT, according to claim 16, characterized in that the additional filter units (23, 24, 25, 26, 27, 28, 29) are placed in a second position in which the stream of dirty air to be purified first passes through said additional filter units and then passes through the filter units (8, 9, 10).

19. - IMPROVEMENTS INTRODUCED IN THE INVENTION PATENT P200931042 BY: AIR CLEANING EQUIPMENT, according to claim 16, characterized in that the vertical hollow structure has an upper mouth (30) which is closed by a removable cover (31); where the interior space of the vertical hollow structure is accessed through said opening (30)