WO2017201631A1 - System for domestic decontamination and improved combustion in wick stoves, with a kerosene fuel tank - Google Patents

Abstract

The invention relates to a system for domestic decontamination and improved combustion performance in wick stoves, with a paraffin or kerosene fuel tank. The system is characterised in that it comprises a casing (1) having a hollow, flat-faced prismatic body (8), the upper and lower walls of the casing being provided with smaller peripheral openings (9) for dissipating heat and two lower front windows, one (10) for the fuel load and the other (11) for verifying the fuel measurement. The central area of the casing (1) also comprises a double air chamber (12) for air produced by a forced-air turbine (13), the air being distributed along the entire central perimeter and subsequently rising, thereby ventilating a hood (2), extracting the heat and cooling the casing (1). The air chamber (12) is formed by another short laminar body (14) having the same configuration as the casing (1) in which is produced the forced air flow for lowering the temperature of the stove and, at the same time, producing a better distribution of heat toward the outside by means of a forced-air turbine (13), the front lower zone also comprising a door (15) for performing maintenance and replacement operations. The system further includes a heat-dissipating hood (2), an anti-radiation disc (3), a protective cover or lid (7) for preventing sparks from the burner from reaching the fuel tank (20), a bimetal protective part (6), and a thermal switch (31) for controlling the forced-air turbine (13).

Description

 TITLE: "SYSTEM FOR DESCO ICILIARY INTR AD TAMINATION AND IMPROVEMENT IN COMBUSTION IN STOVES BY MACHINE, WITH CHEESE FUEL POND" A system for intra-residential decontamination and improvement of combustion performance in fuse stoves, with fuel tank to paraffin or kerosene, provided with means that allow to improve the combustion performance, retaining eliminating fine particulate material, carbon monoxide, nitrogen oxide and sulfur dioxide, provided with a forced air system, which can be activated by Will increasing the heat delivery performance of the stove, which also has safety means for the user. A recent study by the Directorate of Investigations

Scientific and Technological of the Catholic University (DICTUC), carried out in several cities in Chile, indicates that paraffin stoves are the most polluting at the intra-residential level. Paraffin stoves are those that produce the greatest amount of fine particulate material, carbon monoxide, nitrogen oxide and sulfur dioxide than all other competitors, such as liquefied gas or electric heaters. These high rates are very harmful for people, especially for the elderly, children under 5 and newborns. We must consider that in recent years, these stoves have the greatest commercial success and their Sales have grown considerably. As precautionary measures, it is advisable to avoid, use these devices in enclosed spaces, such as rooms and ventilate homes.

The particulate material (PM) is a mixture of organic compounds, acids, metals, dust and other elements, which when breathed reach the pulmonary alveoli and blood, and can be the cause of multiple respiratory diseases, including cancer.

As stated above, the invention was created with the intention of overcoming all the inconveniences that currently exist in wick stoves that are used to heat fuel with paraffin or kerosene.

The advantages of this system are: a) it allows to evacuate the fine particulate that produces the burning of the hydrocarbon in the wick and water vapor resulting from the combustion of the hydrocarbon which causes humidity and deterioration of the house, b) improve the heating system radiating greater heat in the environment by convection, c) improves forced ventilation, d) includes temperature control means thereby increasing the performance and heat delivery by convection of the stove, thus causing better heat distribution in your home.

Regarding the state of the art specifically, for systems to decotaminate kerosene stoves, we can mention the Patent Application for

Invention No. 0936-2004, which refers to a set of Kerosene stove by wick and main body that in its upper part contains a heat and gas dissipative hood, feeding air for combustion through a pipe connected to the outside of the enclosure, thus reducing pollution.

Another patent of invention is ES1010497, which refers to an improved support for regulators of fuel stoves and the like, characterized in that it is constituted by a carrier structure of the regulator itself, structure that is guided on a fixed part corresponding to the structure general of the stove, a fixed part that is preferably constituted by a plate in which two constituent profiles of respective guides are supported on which a plate that forms part of that general structure constituting the support of the regulator slides.

Another patent is ES1027496, which refers to a fuel fluidizing device for stoves, characterized by having the fuel tank (1) laterally to the stove body, in a vertical rotating panel (2), which conforms to this side (3) and introduces it into a bedroom (5) that has conventional closing means, provided between the side (3) and the wall (4) of the home, incorporating the tank (1), superiorly, a generous plug (8) for its most comfortable filling and connecting with the metering valve (6) by means of the metal mesh hose (7) that feeds the reactor, while the wall (4) of the home, conveniently heat insulated, allows an optimum temperature Identification flu inside the chamber (5). Another patent is ES1117105, which refers to a heating unit (1) for exterior or interior spaces comprising a support body (2) provided with an inlet and outlet of hot air from a biofuel burner (3). , such as bioethanol, characterized in that said burner (3) is housed in a non-removable manner inside said support body (2), said support body (2) including a hole (10) configured to introduce a fuel injection conduit (11a), said orifice (9) allowing fuel recharge from the outside without the need to remove said burner (3) from the body (2) of the furniture support (1).

Brief description of the figures

To better understand the invention, a system to decontaminate and improve the performance of stoves by wick, with a paraffin or kerosene fuel tank, we will describe it based on the figures that are an integral part of this invention, without this meaning restricting it to obvious modifications. , which could arise, where: Figure 1 shows an exploded view of the means, for intra-home decontamination, of a wick stove and improved combustion of the invention.

Figure 2 shows a front elevation view of the stove by wick, provided in its interior with the decontamination system and improved combustion of the invention.

Figure 3 shows a front view of the fuel tank with the burner and a disc anti-radiation and cover or cover for protection of sparks to the fuel tank, of the decontamination system of the invention.

Figure 4 shows a rear elevation view of the housing, showing a forced air turbine and thermal control switch, of the forced air turbine of the invention.

Figure 5 shows a view of the stove housing, with the double chamber and a sheet heat dissipation hood, to form a tunnel or forced air chamber inside the housing and produced by the forced air turbine .

Figure 6 shows a top floor of the heat dissipation hood inside the top of the stove housing, and with the installation of a bimetal control piece in the spout of said hood.

Figure 7 shows a view of the lower floor of the heat sink hood.

Description of the Invention According to Figures 1 to 7, the invention is a system for intra-home decontamination and improvement in combustion in wick stoves, with a kerosene fuel tank, said system comprises a cabinet formed by a housing ( 1), provided inside with a heat dissipating hood (2); an anti-radiation disk (3), an upper cover (4), an anti-spill tray (5), a bimetal control piece (6) and a protective cover (7). The housing (1) is constituted by a steel sheet body, provided in its interior walls with heat-reflective aluminum insulation, preventing heat from diffusing to the interior walls; said steel sheet body, forms a prismatic hollow hexagonal cross-sectional body with flat faces (8), provided both in its upper and lower walls, with smaller perimeter openings (9), for heat dissipation, and two lower windows front one for the fuel load (10) and the other for the fuel measurement verification (11); in addition, it has in the middle area of the housing (1), a double chamber for forced air fluid (12), produced by a forced air turbine (13), said air fluid is distributed throughout the middle perimeter and towards the upper area and ventilating the heat sink hood (2) and extracting the heat and also cooling inside the walls of the housing (1), said air flow chamber, is formed by a laminar body (14) , of the same configuration as the housing (1), where said forced air flow system is produced, to dissipate the temperature of the stove and at the same time produce better heat distribution to the outside, by means of the ventilation or air turbine forced air (13) and finally has in the lower frontal area, a maintenance and replacement door (15), formed by a perimeter frame and inside with a metal grid (15a).

The heat-dissipating bell (2) is made up of two prismatic bodies; an outer body (16) provided with an upper spout (17) and an inner body (17a) of smaller diameter than the first, which has an upper wall (18), both bodies form a chamber for ventilation fluid, where the flow of combustion gases dissipates, towards an upper outer pipe (19); In said hood (2) it is fixed in the upper interior of the housing (1) and also has a lower cover (2a), covered by the inner plant with ceramic fiber (2b), to avoid radiation to the fuel tank (20) . The anti-radiation disk (3), serves as a means to prevent heat from going down to a fuel tank (20), which is formed by a laminar body of circular cross-section, covered by the bottom surface, with a refractory ceramic fiber ( twenty-one); In addition, it has a front perimeter cut (22) and provided with an upper sight glass (23), which allows the user to verify the status of the burner flame (24). Said anti-radiation disk (3), is arranged under the burner (24), and on the fuel tank (20) and allows directing or radiating the heat of said burner (24), towards the upper area of the housing (1) and towards the outside, preventing the fuel from heating up, and in the same way said anti-radiation disk (3), has in its rear zone, a thermal insulation reinforcement (3a), with the purpose of protecting the batteries of the electronic ignition system of the stove (not illustrated).

The upper cover (4), is formed by a body of the same conformation as the housing (1), which is fixed in the upper perimeter area of the housing (1), said upper cover (4), has a perimeter frame (25) and wall perimeter (26), followed by a central mesh (27), which allows heat to escape from the heat dissipating hood (2). The protective cover (7) is shaped to separate the burner (24) from the fuel tank (20), as a means of protection against possible burner sparks (24), which enter said fuel tank (20). In addition, it is used to fix the anti-radiation disk (3) by bolts.

The bimetal control piece (6) is made up of four pieces, an outer ring (28), which is supported on the base of the pipe (17) of the heat sink bell (2) and serves to contain an axis transverse (29), where in its center is a bimetal spiral (30) with a disc or central cover (31), which rotates and causes the stove to run down, once the stove comes into operation. The purpose of the bimetal control piece (6), allows to reduce the smell of combustion gases that escape from the heat sink hood (2), given the low initial circulation of this type of stove (type B), which They are characterized because, they take out air for combustion from inside the heated enclosure and evacuate to the outside of it, and on the other hand, by slowing down the velocity of the exhaust gases, once it enters the regime, causing them to circulate at a lower speed. allowing heat transfer to the heat sink hood (2) and extractor of combustion gases, increasing the efficiency of the stove. The bimetal control piece (6) pivots horizontally when closed and at an angle of 45 ° when open, closes or opens according to the temperature, because it is driven by the bimetal spiral (30). In this way, when the stove is operating at full capacity, the bimetal control piece (6) closes the passage of gases, maximizing the efficiency of the heating system. The forced air turbine (14) is electrically activated, by a thermal switch (31), which is located, in the rear area of the forced air chamber, specifically, in the sheet (13), allowing when if the stove is turned on, increase the heat, after a while said thermal switch (31), electrically feed the forced air turbine (13), in the same way when the stove is turned off, said forced air turbine (13) continues to operate by time, until the temperature drops below enough for said thermal switch (31) to be disconnected, this system has the purpose of extracting hot air from the outer body of the heat sink hood (2), which allows to increase the performance of the stove.

Claims

1.- System for intra-residential decontamination and improvement of combustion performance, in wicks, with paraffin fuel tank or kerosene CHARACTERIZED because it comprises a housing (1), which is constituted by a steel sheet body, provided in its interior walls with heat-reflective aluminum insulation, preventing heat from diffusing to the interior walls; said steel sheet body, forms a hollow prismatic body with flat faces (8), provided both in its upper and lower walls, with smaller perimetral openings (9), for heat dissipation, also of two lower front windows; one for the fuel load (10) and the other for the fuel measurement verification (11); in addition, it has in the middle area of said housing (1), a double chamber for air fluid (12), produced by a forced air turbine (13). which is distributed throughout the middle perimeter and then rising, ventilating the hood (2) and extracting heat and also cooling the carcasses (1), said fluid chamber. of air (12), is formed by another short sheet body (14), of the same configuration as the housing (1), where said forced air flow system is produced, to dissipate the temperature of the stove and at the same time Producing a better distribution of heat to the outside, by means of a forced air turbine (13), also has a maintenance and replacement door (15) in the lower frontal area, formed by a perimeter frame and inside with a metal grid (15a); It also has a heat dissipating hood (2); an anti-radiation disk (3); a cover or protective cover (7) of burner sparks to the fuel tank (20), a bimetal protection piece (6) and a thermal switch (31), for forced air turbine control (13). 2. - System for intra-residential decontamination and improvement of combustion performance, in fuse stoves, with a paraffin or kerosene fuel tank, according to claim 1, CHARACTERIZED because the heat dissipating hood (2), is shaped with two prismatic bodies; an outer body (16) provided with an upper pipe (17) and an inner body (17a) of smaller diameter than the first, which has an upper wall (18), both bodies form a chamber for ventilation fluid, where dissipates the flow of combustion gases, towards an upper outer pipe (19); said heat dissipation hood (2), is fixed in the upper interior of the housing (1) and also has a lower cover (2a), covered by the inner plant with ceramic fiber (2b), to avoid radiation to the deposit of fuel (20). 3. - System for intra-residential decontamination and improvement of combustion performance, in fuse stoves, with a paraffin or kerosene fuel tank, according to claim 1, CHARACTERIZED because the anti-radiation disk (3), serves as a means for avoid heat go down to a fuel tank (20), which is formed by a laminar body of circular cross section, covered by the bottom surface, with a fiber refrectarian ceramics (21); In addition, it has a front perimeter cut (22) and an upper sight glass (23), which allows the user to verify the status of the burner flame (24); said anti-radiation disk (3), is arranged under the burner (24), and on the fuel tank (20) and allows directing or radiating the heat of the burner (24), towards the upper area of the housing (1) and towards the outside, preventing the fuel from heating up, and in the same way said anti-radiation disk (3), has in its rear area, a thermal insulation reinforcement (3a), with the purpose of protecting the batteries of the electronic ignition system of the stove.  4. - System for intra-residential decontamination and improvement of combustion performance, in fuse stoves, with a paraffin or kerosene fuel tank, according to claim 1, CHARACTERIZED because the upper cover (4) is formed by a body of the same conformation as the carcass (1), which is fixed in the upper perimeter area of the carcass (1), said upper cover (4), has a perimeter frame (25) and perimeter wall (26), followed by a central mesh (27), which allows heat to escape from the heat sink hood (2). 5. - System for intra-residential decontamination and improvement of combustion performance, in wicks, with paraffin fuel tank or kerosene CHARACTERIZED because the protective cover (7) is shaped to separate the burner (24) from the tank of fuel (20), as a means of protection against possible burner sparks (24), which enter said fuel tank fuel (20); In addition, it is used to fix the anti-radiation disk (3) by bolts.  6. - System for intra-residential decontamination and improvement of combustion performance, in fuse stoves, with a paraffin or kerosene fuel tank, according to claim 1, CHARACTERIZED because the bimetal control part (6), is formed by four pieces, an outer ring (28), which is supported on the base of the pipe (17) of the heat sink bell (2) and serves to contain a transverse axis (29), where in its center is a bimetal spiral (30) with a disc or central cover (31), which rotates and causes the stove to run down, once the stove comes into operation; which allows reducing the smell of combustion gases that escape from the heat sink hood (2), given the low initial circulation of this type of stove (type B) and on the other hand, by slowing down the velocity of the gases of Exhaust, once it enters the regime, causing them to circulate at a lower speed allowing heat to be transferred to the heat sink hood (2) and extractor of combustion gases, increasing the efficiency of the stove. 7. - System for intra-residential decontamination and improvement of combustion performance, in fuse stoves, with a paraffin or kerosene fuel tank, according to claim 1, CHARACTERIZED because the forced air turbine (13) is electrically activated , by a thermal switch (31), which is located, in the rear area of the housing (1), allowing when the stove is turned on the heat increases, after a while said thermal switch (31), feed electrically the turbine, in the same way when the stove is turned off, the turbine continues to run for a period of time, until the temperature goes down enough for said thermal switch (31) to be disconnected, this system has the purpose of extracting hot air from the outer bell body heat sink (2), which allows to increase the efficiency of the stove.