WO2023230738A1 - Secondary system for heating water that operates simultaneously with a domestic water heater - Google Patents

Secondary system for heating water that operates simultaneously with a domestic water heater Download PDF

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Publication number
WO2023230738A1
WO2023230738A1 PCT/CL2023/050046 CL2023050046W WO2023230738A1 WO 2023230738 A1 WO2023230738 A1 WO 2023230738A1 CL 2023050046 W CL2023050046 W CL 2023050046W WO 2023230738 A1 WO2023230738 A1 WO 2023230738A1
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WO
WIPO (PCT)
Prior art keywords
water
water heater
secondary system
heating
inlet
Prior art date
Application number
PCT/CL2023/050046
Other languages
Spanish (es)
French (fr)
Inventor
Juan Marcelo Edinson POBLETE ROZAS
Original Assignee
Poblete Rozas Juan Marcelo Edinson
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Publication of WO2023230738A1 publication Critical patent/WO2023230738A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
    • F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
    • F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
    • F24H1/16—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form helically or spirally coiled

Definitions

  • the present invention belongs to the supply of domestic hot water, in particular to a domestic water heater that allows solving the problems of water and electrical energy consumption.
  • One of the home devices where both problems are combined corresponds to home water heaters that operate based on electrical energy. Basically, these devices are used to heat water for human consumption, using electrical energy for ignition and some fuel medium (liquefied or natural gas, for example), to generate combustion that allows the heating of the water.
  • some fuel medium liquefied or natural gas, for example
  • document DE2201628 describes a hot water heating system with temperature control in a building, using a hot water boiler and a water tank connected to this boiler through a heat exchanger, which is parallel to the secondary side of the heat exchanger in a service water line leading to the consumer.
  • a water temperature control valve is also provided between the boiler and the service water tank, where the control valve is located in the domestic water line leading through the secondary side of the heat exchanger and is designed to to open when the temperature of the domestic water in the heat exchanger increases.
  • the system comprises a vertical elongated hot water tank having a heat exchange coil for domestic hot water that extends slightly below the water level transversely and restricts vertical flow through the upper middle cross section of the tank. hot water tank so that all the heating water flows down through the tank.
  • the installation further comprises a dip tube that extends vertically in the center of said tank to the bottom and that has a connection at the top of the tank to the hot water heating system, and hot water connections.
  • the system comprises an upper compartment composed of an air expansion chamber above the boiler, a heating hot water inlet chamber below and in direct contact with the air expansion chamber above said coil and a hot water outlet chamber below the flat coil.
  • Document EP2527750 describes a boiler comprising a heating device adapted to produce a hot heating fluid at an outlet of the boiler and to be connected to an inlet of a heating circuit comprising at least one heat exchange device, such as a radiator or a radiating floor.
  • the boiler further comprises a heat pump of the liquid/fluid type, comprising: a primary circuit, an outlet of which is connected to a fluid inlet of the heating device and whose inlet forms a fluid inlet of the boiler adapted to connect to a return outlet of the heating circuit, and a secondary circuit of which an outlet and a fluid inlet are adapted to connect respectively to a fluid inlet and a fluid outlet of a domestic hot water accumulator, the primary circuit being and the secondary circuit thermally coupled so that the primary circuit transmits power to the secondary circuit.
  • a heat pump of the liquid/fluid type comprising: a primary circuit, an outlet of which is connected to a fluid inlet of the heating device and whose inlet forms a fluid inlet of the boiler adapted to connect to a return outlet of the heating circuit, and a secondary circuit of which an outlet and a fluid inlet are adapted to connect respectively to a fluid inlet and a fluid outlet of a domestic hot water accumulator, the primary circuit being and the secondary circuit thermally coupled
  • Another solution is the one disclosed by document GB2237864.
  • Said document describes a domestic hot water system, with a primary circuit heated by a boiler and a secondary circuit that runs from a conventional hot water accumulator to feed hot water outlets such as faucets and showers, which additionally incorporates a subsidiary electric heater in the primary circuit.
  • the subsidiary heater can be controlled by a thermostat located near the bottom against the outer casing of the cylinder. The location of the subsidiary heater allows indirect heating of the secondary water when the boiler is not in use and thus prevents the build-up of hard water deposits in a conventional immersion heater in the secondary water.
  • document CA2182531 an improved pressurized potable water piping system, comprising: a water heater having an inlet and an outlet, said inlet being in communication with a pressurized water supply; a first pipe conduit member having a first end and a second end; said first pipe conduit member being connected at its first end to said outlet of the water heater; a second pipe conduit member having a first end and a second end; said first end of said second pipe conduit member being connected to a water discharge fitting; and wherein said second pipe conduit member is in fluid communication with said first pipe conduit member such that said second end of said first pipe conduit member and said second end of said second conduit member are disposed between said first end of said first conduit pipe member and said first end of said second pipe member; and further comprising a third pipe conduit member having a first end and a second end; and wherein said third pipe conduit member is in fluid communication with said water heater outlet and said second pipe conduit member such that said second end of said third pipe conduit member and said second end of said second pipe conduit member are disposed between said
  • Document GB2266762 describes a heating system comprising a heat exchanger for providing pressurized domestic hot water from the externally installed network and extracting its thermal energy from a thermal accumulator.
  • the thermal accumulator can be heated directly by an immersion heater or indirectly using a heated boiler with a combustion chamber.
  • the primary circuit includes a pump controlled depending on a thermal accumulator thermostat, thermostat and flow sensor in a secondary domestic water circuit.
  • the present invention relates to a home water heater system, which allows solving the problem of water consumption and the problem of electrical energy consumption.
  • the system of the present invention allows operation in parallel with daily home use, consisting of a primary system intended for main consumption, such as a shower or dishwasher, and a secondary system intended for backup consumption. , and which corresponds to an auxiliary water heating system.
  • auxiliary container such as a thermos or water heater
  • the system extracts a minimum part of water from the primary water supply system to a secondary system, allowing permanent water savings without affecting the pressure when using a primary system, such as a shower, for example.
  • the auxiliary water heating system of the present invention uses the same source of heat energy used for the primary system, such as gas, for example, and at the same instant of time in which is used, therefore, does not depend on an external energy source to obtain hot water at 100°, and, consequently, obtain electrical energy savings.
  • Figure 1 represents a diagram of a home water heating system with a secondary system for heating water, according to one embodiment of the invention.
  • Figure 2 represents a diagram of a secondary system for heating water that can be mounted in a home water heater system, according to one embodiment of the invention.
  • the invention relates to a home water heater system (100), which is intended to supply hot water for regular use in a home, and, in turn, define a secondary system that allows hot water to be used for other uses. , in such a way that savings are obtained in the use of water and energy consumption.
  • the water heater system (100), as shown in Figure 1, is covered by a casing (101), and is made up of at least one cold water inlet (1), through which water enters from the home distribution network; a hot water outlet (2) for service, in particular for use in kitchens and showers, which is connected to an intra-home distribution network; and a connector (3) for gas inlet, connected to the gas distribution network or to a gas cylinder.
  • the cold water inlet (1) is connected to a water circulation line (4), which is in thermal contact with a heat exchange device (5) and carries the water to the hot water outlet (2). ).
  • Cold water enters at a temperature that varies between 5 ° and 18° and a pressure that varies between 1.8 to 2.5 bar.
  • the circulation line (4) comprises at least one temperature sensor (6) to determine the temperature of the circulation flow.
  • Said temperature sensor (6) sends the information to a control module (7), which preferably comprises a screen and a button panel that allows the user to control the desired temperature and be informed of the pressure and temperature within the circulation line ( 4).
  • Said control module (7) is electrically powered by an electrical power supply device (8).
  • the electrical energy supply device (8) corresponds to a battery box.
  • the gas inlet connection (3) receives gas from the home network and through a gas distribution line (9) to an injection assembly (10), arranged in the lower part of the water heater (100) and under a burner assembly (11).
  • an injection assembly (10 arranged in the lower part of the water heater (100) and under a burner assembly (11).
  • the gas is injected by the injection assembly (10) to the burner assembly (11) to start the combustion process, where ignition is carried out by means of an ignition and flame detection device (12), which It is preferably arranged on the burner assembly (11).
  • the upper part of the water heater (100) comprises a short draft (13), to allow the exhaust gases to escape from the burner assembly (11).
  • the injection assembly (10) is connected to a safety valve (14), in case there is overpressure in said injection assembly (10), where said safety valve is preferably arranged in a lower part of the water heater (100).
  • the water heater (100) also comprises a secondary system (20) for heating water, as shown in Figure 2, where said secondary system (20) is intended to take advantage of the residual heat produced by the burner assembly (11). , allowing water to be heated to a temperature close to 80° to 100°C.
  • the secondary system (20) consists of a water inlet (21), connected to the circulation line (4), allowing the entry of water by pressure to an inlet line (22), which allows the flow to be directed to a plurality of blades (23), which are arranged just above the burner assembly (11), where the superheating of the water is achieved.
  • the inlet line (22) includes a check valve (24) to prevent the flow from returning.
  • a relief line (25) is derived from the inlet line, which allows the exit of superheated air or steam from the secondary system (20) and preferably directs it towards the short draft (13), where said relief line (25) comprises a check valve (26), to prevent the return of the superheated air/steam flow.
  • the plurality of blades (23) makes it possible to maintain superheated water, taking advantage of the operation of the water heater (100) as a result of the heat generated by the burner assembly (11) during the usual combustion process of the operation of said water heater (100).
  • the secondary system (20) also comprises a temperature sensor (27), arranged in the plurality of slats (23) and which sends the temperature information to a control module (28), which preferably comprises a screen and a button panel that allows the user to control the desired temperature and be informed of the pressure and temperature within the plurality of slats (23).
  • Said control module (28) is electrically powered by the electrical power supply device (8).
  • the plurality of blades (23) comprises a discharge point, which is connected to a discharge line (29).
  • Said discharge line takes the water outside the water heater to a hot water tank (30).
  • Said hot water tank (30) is arranged in such a way that any user can extract hot water for own use, keeping the water in a range of 80° to 100° C.
  • the extraction of water is preferably carried out using a manual valve ( 31).
  • the discharge line (29) comprises a pressure switch valve assembly (32), acting in this way according to the pressure that exists at the same time. interior of the plurality of slats (23) to discharge water to the tank (30).
  • the pressure switch valve assembly (32) acts at a pressure of the order of 0.5 to 1.5 bar, depending on the atmospheric pressure conditions.
  • the secondary system (20) of the invention allows the heating of water by taking advantage of the residual heat obtained from the burner assembly (11) during the normal operation of the water heater (100), bringing the consequent savings of caloric and electrical energy for heating water at home level.
  • the water that is used by the secondary system (20) does not affect the flow and pressure of the water that is distributed from the water heater (100) through the hot water outlet for service (2).

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)

Abstract

The present invention relates to a secondary system (20) for heating water that comprises a water inlet (21) connected to a circulation duct (4) of the water heater (100), an inlet duct (22) that receives the flow and sends it to a plurality of lamellae (23) arranged just above the burner assembly (11) to overheat the water, and a temperature sensor (27) arranged on the plurality of lamellae (23) to determine the temperature of the overheated water, wherein the plurality of lamellae (23) comprises a drainage point, which is connected to a drainage duct (29) that takes the water to a hot water tank (30) by means of hot water extraction by a user, wherein said drainage duct (29) comprises a pressure switch valve assembly (32).

Description

SISTEMA SECUNDARIO PARA CALENTAR AGUA, QUE OPERA SIMULTÁNEAMENTE CON UN CALENTADOR DE AGUA DOMICILIARIO SECONDARY SYSTEM FOR HEATING WATER, WHICH OPERATES SIMULTANEOUSLY WITH A HOME WATER HEATER
CAMPO DE APLICACIÓN SCOPE
La presente invención pertenece al del suministro de agua caliente domiciliaria, en particular a un calentador de agua domiciliario que permita resolver los problemas de consumo de agua y energía eléctrica. The present invention belongs to the supply of domestic hot water, in particular to a domestic water heater that allows solving the problems of water and electrical energy consumption.
ANTECEDENTES BACKGROUND
Dos de los grandes problemas que aquejan en la actualidad al planeta corresponden al consumo de agua y consumo de energía eléctrica. El agua, en particular, se está convirtiendo cada vez más en un bien escaso, llegando a niveles de probables racionamientos para su uso. Por otro lado, el consumo energético es un factor relevante a nivel domiciliario, en cuanto a costos que pueden generarse por su sobre consumo. Two of the major problems that currently plague the planet correspond to water consumption and electricity consumption. Water, in particular, is increasingly becoming a scarce commodity, reaching levels of probable rationing for its use. On the other hand, energy consumption is a relevant factor at the household level, in terms of costs that can be generated by overconsumption.
Uno de los dispositivos domiciliarios donde se conjugan ambos problemas, es decir, consumo de agua y consumo de energía eléctrica, corresponde a los calefones domiciliarios que operan en base a energía eléctricamente. Básicamente, estos dispositivos son utilizados para calentar agua para consumo humando, utilizando energía eléctrica para su encendido y algún medio combustible (gas licuado o natural, por ejemplo), para la generación de combustión que permita el calentamiento del agua. One of the home devices where both problems are combined, that is, water consumption and electrical energy consumption, corresponds to home water heaters that operate based on electrical energy. Basically, these devices are used to heat water for human consumption, using electrical energy for ignition and some fuel medium (liquefied or natural gas, for example), to generate combustion that allows the heating of the water.
En el mercado nacional e internacional existen calentadores de agua de gran volumen, industriales y domiciliarios. La temperatura del agua entregada por este tipo de sistemas no supera los 60°, y generalmente corresponden a sistemas eléctricos con un alto consumo de energía. El estado del arte ha buscado en parte a solucionar estas problemáticas. En este sentido, el documento DE2201628 describe un sistema de calentamiento de agua caliente con control de temperatura en un edificio, mediante una caldera de agua caliente y un tanque de agua conectado a esta caldera a través de un intercambiador de calor, que es paralelo al lado secundario del intercambiador de calor en una línea de agua de servicio que conduce al consumidor. Se dispone además una válvula de control de temperatura del agua entre la caldera y el tanque de agua de servicio, donde la válvula de control está ubicada en la línea de agua sanitaria que conduce a través del lado secundario del intercambiador de calor y está diseñado para que se abra cuando aumenta la temperatura del agua sanitaria en el intercambiador de calor. In the national and international market there are large volume, industrial and home water heaters. The temperature of the water delivered by this type of system does not exceed 60°, and generally corresponds to electrical systems with high energy consumption. The state of the art has sought in part to solve these problems. In this sense, document DE2201628 describes a hot water heating system with temperature control in a building, using a hot water boiler and a water tank connected to this boiler through a heat exchanger, which is parallel to the secondary side of the heat exchanger in a service water line leading to the consumer. A water temperature control valve is also provided between the boiler and the service water tank, where the control valve is located in the domestic water line leading through the secondary side of the heat exchanger and is designed to to open when the temperature of the domestic water in the heat exchanger increases.
Otra solución es la que presenta el documento US3171597, el cual describe una instalación de suministro de agua caliente para calefacción y agua caliente sanitaria para la cocina y el baño del tipo que tiene una caldera de calentamiento de agua caliente con una entrada de agua de calefacción inferior y un suministro de agua de calefacción de salida superior. El sistema comprende un tanque de agua caliente alargado vertical que tiene un serpentín de intercambio de calor para el agua caliente sanitaria que se extiende ligeramente por debajo del nivel del agua de forma transversal y restringe el flujo vertical a través de la sección transversal media superior del tanque de agua caliente de modo que toda el agua de calefacción que fluye hacia abajo a través del tanque. La instalación comprende además un tubo de inmersión que se extiende verticalmente en el centro de dicho tanque hasta el fondo y que tiene una conexión en la parte superior del tanque al sistema de calentamiento de agua caliente, y conexiones de agua caliente. El sistema comprende un compartimento superior compuesto de una cámara de expansión de aire por encima de la caldera, una cámara de entrada de agua caliente de calefacción debajo y en contacto directo con la cámara de expansión de aire por encima de dicho serpentín y una cámara de salida de agua caliente debajo del serpentín plano. Another solution is that presented in document US3171597, which describes a hot water supply installation for heating and domestic hot water for the kitchen and bathroom of the type that has a hot water heating boiler with a heating water inlet and a top outlet heating water supply. The system comprises a vertical elongated hot water tank having a heat exchange coil for domestic hot water that extends slightly below the water level transversely and restricts vertical flow through the upper middle cross section of the tank. hot water tank so that all the heating water flows down through the tank. The installation further comprises a dip tube that extends vertically in the center of said tank to the bottom and that has a connection at the top of the tank to the hot water heating system, and hot water connections. The system comprises an upper compartment composed of an air expansion chamber above the boiler, a heating hot water inlet chamber below and in direct contact with the air expansion chamber above said coil and a hot water outlet chamber below the flat coil.
El documento EP2527750 describe una caldera que comprende un dispositivo calefactor adaptado para producir un fluido calefactor caliente en una salida de la caldera y para ser conectada a una entrada de un circuito calefactor que comprende al menos un dispositivo intercambiador de calor, como un radiador o un suelo radiante. La caldera comprende además una bomba de calor del tipo líquido / fluido, que comprende: un circuito primario, una salida del cual está conectada a una entrada de fluido del dispositivo de calentamiento y cuya entrada forma una entrada del fluido de la caldera adaptada para conectarse a una salida de retomo del circuito de calefacción, y un circuito secundario del cual una salida y una entrada de fluido están adaptadas para conectarse respectivamente a una entrada de fluido y una salida de fluido de un acumulador de agua caliente sanitaria, estando el circuito primario y el circuito secundario acoplados térmicamente para que el circuito primario transmita energía al circuito secundario. Document EP2527750 describes a boiler comprising a heating device adapted to produce a hot heating fluid at an outlet of the boiler and to be connected to an inlet of a heating circuit comprising at least one heat exchange device, such as a radiator or a radiating floor. The boiler further comprises a heat pump of the liquid/fluid type, comprising: a primary circuit, an outlet of which is connected to a fluid inlet of the heating device and whose inlet forms a fluid inlet of the boiler adapted to connect to a return outlet of the heating circuit, and a secondary circuit of which an outlet and a fluid inlet are adapted to connect respectively to a fluid inlet and a fluid outlet of a domestic hot water accumulator, the primary circuit being and the secondary circuit thermally coupled so that the primary circuit transmits power to the secondary circuit.
Otra solución es la divulgada por el documento GB2237864. Dicho documento describe un sistema de agua caliente sanitaria, con un circuito primario calentado por una caldera y un circuito secundario que va desde un acumulador de agua caliente convencional para alimentar salidas de agua caliente como llaves y duchas, que incorpora adicionalmente un calentador eléctrico subsidiario en el circuito primario. El calentador subsidiario puede ser controlado por un termostato ubicado cerca de la parte inferior contra la carcasa exterior del cilindro. La ubicación del calentador subsidiario permite el calentamiento indirecto del agua secundaria cuando la caldera no está en uso y así evita la acumulación de depósitos de agua dura en un calentador de inmersión convencional en el agua secundaria. Por otro lado, el documento CA2182531 un sistema de tuberías de agua potable a presión mejorado, que comprende: un calentador de agua que tiene una entrada y una salida, estando dicha entrada en comunicación con un suministro de agua a presión; un primer miembro de conducto de tubería que tiene un primer extremo y un segundo extremo; estando conectado dicho primer miembro de conducto de tubería en su primer extremo a dicha salida del calentador de agua; un segundo miembro de conducto de tubería que tiene un primer extremo y un segundo extremo; estando conectado dicho primer extremo de dicho segundo miembro de conducto de tubería a un accesorio de descarga de agua; y en el que dicho segundo miembro de conducto de tubería está en comunicación fluida con dicho primer miembro de conducto de tubería de modo que dicho segundo extremo de dicho primer miembro de conducto de tubería y dicho segundo extremo de dicho segundo miembro de conducto están dispuestos entre dicho primer extremo de dicho primer miembro de tubería de conducto y dicho primer extremo de dicho segundo miembro de tubería; y que comprende además un tercer miembro de conducto de tubería que tiene un primer extremo y un segundo extremo; y en el que dicho tercer miembro de conducto de tubería está en comunicación fluida con dicha salida del calentador de agua y dicho segundo miembro de conducto de tubería de modo que dicho segundo extremo de dicho tercer miembro de conducto de tubería y dicho segundo extremo de dicho segundo miembro de conducto de tubería están dispuestos entre dicha salida del calentador de agua y dicho dispositivo de descarga de agua; y en el que dicho primer miembro de conducto de tubería tiene un primer diámetro interior, y dicho segundo miembro de conducto de tubería tiene un segundo diámetro interior, y dicho tercer miembro de conducto de tubería tiene un tercer diámetro; y en el que dicho primer diámetro es mayor que dicho segundo diámetro; y dicho primer diámetro es mayor que dicho tercer diámetro. El documento GB2266762 describe un sistema de calefacción que comprende un intercambiador de calor para proporcionar agua caliente sanitaria a presión de la red instalada externamente y extraer su energía térmica de un acumulador térmico. El acumulador térmico puede ser calentado directamente por un calentador de inmersión o indirectamente usando una caldera calentada con cámara de combustión. El circuito primario incluye una bomba controlada en dependencia de un termostato del acumulador térmico termostato y sensor de caudal en un circuito secundario de agua sanitaria. Another solution is the one disclosed by document GB2237864. Said document describes a domestic hot water system, with a primary circuit heated by a boiler and a secondary circuit that runs from a conventional hot water accumulator to feed hot water outlets such as faucets and showers, which additionally incorporates a subsidiary electric heater in the primary circuit. The subsidiary heater can be controlled by a thermostat located near the bottom against the outer casing of the cylinder. The location of the subsidiary heater allows indirect heating of the secondary water when the boiler is not in use and thus prevents the build-up of hard water deposits in a conventional immersion heater in the secondary water. On the other hand, document CA2182531 an improved pressurized potable water piping system, comprising: a water heater having an inlet and an outlet, said inlet being in communication with a pressurized water supply; a first pipe conduit member having a first end and a second end; said first pipe conduit member being connected at its first end to said outlet of the water heater; a second pipe conduit member having a first end and a second end; said first end of said second pipe conduit member being connected to a water discharge fitting; and wherein said second pipe conduit member is in fluid communication with said first pipe conduit member such that said second end of said first pipe conduit member and said second end of said second conduit member are disposed between said first end of said first conduit pipe member and said first end of said second pipe member; and further comprising a third pipe conduit member having a first end and a second end; and wherein said third pipe conduit member is in fluid communication with said water heater outlet and said second pipe conduit member such that said second end of said third pipe conduit member and said second end of said second pipe conduit member are disposed between said water heater outlet and said water discharge device; and wherein said first pipe conduit member has a first inner diameter, and said second pipe conduit member has a second inner diameter, and said third pipe conduit member has a third diameter; and wherein said first diameter is greater than said second diameter; and said first diameter is greater than said third diameter. Document GB2266762 describes a heating system comprising a heat exchanger for providing pressurized domestic hot water from the externally installed network and extracting its thermal energy from a thermal accumulator. The thermal accumulator can be heated directly by an immersion heater or indirectly using a heated boiler with a combustion chamber. The primary circuit includes a pump controlled depending on a thermal accumulator thermostat, thermostat and flow sensor in a secondary domestic water circuit.
El problema principal que presentan las soluciones antes descritas es que se basan principalmente en la acumulación de aguan en sistemas secundarios, los cuales pueden ser utilizados de manera posterior. Adicionalmente, la operación de los sistemas secundarios requiere que el sistema primario se encuentre en funcionamiento, y no es posible su utilización de manera independiente. The main problem with the solutions described above is that they are mainly based on the accumulation of water in secondary systems, which can be used later. Additionally, the operation of the secondary systems requires that the primary system be in operation, and it is not possible to use it independently.
RESUMEN DE LA INVENCIÓN SUMMARY OF THE INVENTION
La presente invención se refiere con un sistema de calentador de agua domiciliario, el cual permita resolver el problema del consumo de agua y el problema del consumo de energía eléctrica. The present invention relates to a home water heater system, which allows solving the problem of water consumption and the problem of electrical energy consumption.
Para resolver el problema del consumo del agua, el sistema de la presente invención permite el funcionamiento en paralelo al uso cotidiano domiciliario conformado por un sistema primario destinado al consumo principal, como una ducha o lavaplatos, y un sistema secundario destinado a un consumo de respaldo, y que corresponde a un sistema de calentamiento de agua auxiliar. To solve the problem of water consumption, the system of the present invention allows operation in parallel with daily home use, consisting of a primary system intended for main consumption, such as a shower or dishwasher, and a secondary system intended for backup consumption. , and which corresponds to an auxiliary water heating system.
De esta forma, no se requiere del llenado de un recipiente auxiliar, como un termo o calentador de agua, para el consumo de agua caliente. De esta forma, el sistema extrae una mínima parte de agua del sistema primario de alimentación de agua a un sistema secundario, permitiendo ahorro permanente de agua sin afectar la presión en el uso de un sistema primario, como ducha, por ejemplo. In this way, it is not required to fill an auxiliary container, such as a thermos or water heater, for hot water consumption. In this way, the system extracts a minimum part of water from the primary water supply system to a secondary system, allowing permanent water savings without affecting the pressure when using a primary system, such as a shower, for example.
Adicionalmente, para resolver el problema del consumo de energía eléctrica, el sistema de calentamiento de agua auxiliar de la presente invención utiliza la misma fuente de energía calórica utilizado para el sistema primario, como gas, por ejemplo, y en el mismo instante de tiempo en que es utilizado, por tanto, no depende de una fuente de energía externa para obtener agua caliente a 100°, y, consecuentemente, obtener un ahorro de energía eléctrica. Additionally, to solve the problem of electrical energy consumption, the auxiliary water heating system of the present invention uses the same source of heat energy used for the primary system, such as gas, for example, and at the same instant of time in which is used, therefore, does not depend on an external energy source to obtain hot water at 100°, and, consequently, obtain electrical energy savings.
DESCRIPCIÓN DE LAS FIGURAS DESCRIPTION OF THE FIGURES
Para complementar la descripción que se está realizando y con objeto de ayudar a una mejor comprensión de las características del invento, de acuerdo con ejemplos preferentes de realización práctica del mismo, se acompaña como parte integrante de dicha descripción, un juego de dibujos en donde, con carácter ilustrativo y no limitativo, se ha representado lo siguiente: To complement the description that is being made and in order to help a better understanding of the characteristics of the invention, in accordance with preferred examples of practical implementation thereof, a set of drawings is attached as an integral part of said description, where, For illustrative and non-limiting purposes, the following has been represented:
La Figura 1 representa un esquema de un sistema calentador de agua domiciliario con un sistema secundario para calentar agua, de acuerdo a una modalidad de la invención.Figure 1 represents a diagram of a home water heating system with a secondary system for heating water, according to one embodiment of the invention.
La Figura 2 representa un esquema de un sistema secundario para calentar agua que puede ser montado en un sistema de calentador de agua domiciliario, de acuerdo a una modalidad de la invención. DESCRIPCIÓN DETALLADA DE LA INVENCIÓN Figure 2 represents a diagram of a secondary system for heating water that can be mounted in a home water heater system, according to one embodiment of the invention. DETAILED DESCRIPTION OF THE INVENTION
La invención se relaciona con un sistema de calentador de agua domiciliario (100), el cual está destinado para suministrar agua caliente para el uso habitual en un domicilio, y, a su vez, definir un sistema secundario que permite utilizar agua caliente para otros usos, de manera tal que se obtiene un ahorro en el uso de agua y en consumo energético. The invention relates to a home water heater system (100), which is intended to supply hot water for regular use in a home, and, in turn, define a secondary system that allows hot water to be used for other uses. , in such a way that savings are obtained in the use of water and energy consumption.
El sistema de calentador de agua (100), como el mostrado en la Figura 1 , se encuentra cubierto por una carcasa (101), está constituido por al menos una entrada (1) de agua fría, mediante la cual ingresa el agua desde la red domiciliara de distribución; una salida de agua caliente (2) para servicio, en particular para uso en cocinas y duchas, la cual se encuentra conectada a una red de distribución intradomiciliana; y un conectar (3) para entrada de gas, conectado a la red de distribución de gas o a un cilindro de gas. The water heater system (100), as shown in Figure 1, is covered by a casing (101), and is made up of at least one cold water inlet (1), through which water enters from the home distribution network; a hot water outlet (2) for service, in particular for use in kitchens and showers, which is connected to an intra-home distribution network; and a connector (3) for gas inlet, connected to the gas distribution network or to a gas cylinder.
La entrada (1) de agua fría se conecta con una línea de circulación (4) de agua, la cual se encuentra en contacto térmico con un dispositivo de intercambio de calor (5) y lleva el agua hasta la salida de agua caliente (2). El agua fría ingresa a una temperatura que varía entre los 5o y 18° y una presión que varía entre 1 ,8 a 2, 5 bar. La línea de circulación (4) comprende al menos un sensor de temperatura (6), para determinar la temperatura del flujo de circulación. Dicho sensor de temperatura (6) envía la información a un módulo de control (7), el cual comprende preferentemente una pantalla y una botonera que permite al usuario controlar la temperatura deseada e informarse de la presión y temperatura dentro de la línea de circulación (4). Dicho módulo de control (7) es alimentado eléctricamente por un dispositivo de alimentación de energía eléctrica (8). En una modalidad de la invención, el dispositivo de alimentación de energía eléctrica (8) corresponde a una caja de baterías. The cold water inlet (1) is connected to a water circulation line (4), which is in thermal contact with a heat exchange device (5) and carries the water to the hot water outlet (2). ). Cold water enters at a temperature that varies between 5 ° and 18° and a pressure that varies between 1.8 to 2.5 bar. The circulation line (4) comprises at least one temperature sensor (6) to determine the temperature of the circulation flow. Said temperature sensor (6) sends the information to a control module (7), which preferably comprises a screen and a button panel that allows the user to control the desired temperature and be informed of the pressure and temperature within the circulation line ( 4). Said control module (7) is electrically powered by an electrical power supply device (8). In one embodiment of the invention, the electrical energy supply device (8) corresponds to a battery box.
El conectar (3) para entrada de gas recibe el gas desde la red domiciliario y mediante una línea de distribución de gas (9) hacia un conjunto de inyección (10), dispuesto en la parte inferior del calentador de agua (100) y bajo un conjunto quemador (11). De esta forma, el gas es inyectado por el conjunto de inyección (10) al conjunto quemador (11) para iniciar le proceso de combustión, en donde el encendido se realiza mediante un dispositivo de encendido y detección de llama (12), el cual se dispone preferentemente sobre el conjunto quemador (11 ). La parte superior del calentador de agua (100) comprende un corta tiro (13), para permitir la salida de los gases de escape desde el conjunto quemador (11). Por otro lado, el conjunto de inyección (10) se encuentra conectado a una válvula de seguridad (14), en caso de que exista sobrepresión en dicho conjunto de inyección (10), donde dicha válvula de seguridad se dispone preferentemente en una parte inferior del calentador de agua (100). The gas inlet connection (3) receives gas from the home network and through a gas distribution line (9) to an injection assembly (10), arranged in the lower part of the water heater (100) and under a burner assembly (11). In this way, the gas is injected by the injection assembly (10) to the burner assembly (11) to start the combustion process, where ignition is carried out by means of an ignition and flame detection device (12), which It is preferably arranged on the burner assembly (11). The upper part of the water heater (100) comprises a short draft (13), to allow the exhaust gases to escape from the burner assembly (11). On the other hand, the injection assembly (10) is connected to a safety valve (14), in case there is overpressure in said injection assembly (10), where said safety valve is preferably arranged in a lower part of the water heater (100).
El calentador de agua (100) comprende además un sistema secundario (20) para calentar agua, tal como se muestra en la Figura 2, donde dicho sistema secundario (20) está destinado a aprovechar el calor residual producido por el conjunto quemador (11), permitiendo calentar agua a temperatura cercana a las 80° a 100°C. El sistema secundario (20) está constituido por una entrada de agua (21), conectada a la línea de circulación (4), permitiendo el ingreso de agua por presión a una línea de entrada (22), la cual permite dirigir el flujo a una pluralidad de lámelas (23), las cuales se encuentran dispuestas justo sobre el conjunto quemador (11), donde se logra el sobrecalentamiento del agua. La línea de entrada (22) comprende una válvula de retención (24) para impedir el retomo del flujo. En una modalidad de la invención, desde la línea de entrada se deriva una línea de alivio (25), que permite la salida de aire o vapor sobrecalentado desde el sistema secundario (20) y lo dirige preferentemente hacia el corta tiro (13), donde dicha línea de alivio (25) comprende una válvula de retención (26), para impedir el retomo del flujo de aire/vapor sobrecalentado. The water heater (100) also comprises a secondary system (20) for heating water, as shown in Figure 2, where said secondary system (20) is intended to take advantage of the residual heat produced by the burner assembly (11). , allowing water to be heated to a temperature close to 80° to 100°C. The secondary system (20) consists of a water inlet (21), connected to the circulation line (4), allowing the entry of water by pressure to an inlet line (22), which allows the flow to be directed to a plurality of blades (23), which are arranged just above the burner assembly (11), where the superheating of the water is achieved. The inlet line (22) includes a check valve (24) to prevent the flow from returning. In one embodiment of the invention, a relief line (25) is derived from the inlet line, which allows the exit of superheated air or steam from the secondary system (20) and preferably directs it towards the short draft (13), where said relief line (25) comprises a check valve (26), to prevent the return of the superheated air/steam flow.
La pluralidad de lámelas (23) permite mantener agua sobrecalentada, aprovechando la operación del calentador de agua (100) producto del calor generado por el conjunto quemador (11) durante el proceso de combustión habitual del funcionamiento de dicho calentador de agua (100). Para poder determinar la temperatura del agua sobrecalentada en la pluralidad de lámelas (23), el sistema secundario (20) comprende además un sensor de temperatura (27), dispuesto en la pluralidad de lámelas (23) y que envía la información de la temperatura a un módulo de control (28), el cual comprende preferentemente una pantalla y una botonera que permite al usuario controlar la temperatura deseada e informarse de la presión y temperatura dentro de la pluralidad de lámelas (23). Dicho módulo de control (28) es alimentado eléctricamente por el dispositivo de alimentación de energía eléctrica (8). The plurality of blades (23) makes it possible to maintain superheated water, taking advantage of the operation of the water heater (100) as a result of the heat generated by the burner assembly (11) during the usual combustion process of the operation of said water heater (100). In order to determine the temperature of the superheated water in the plurality of slats (23), the secondary system (20) also comprises a temperature sensor (27), arranged in the plurality of slats (23) and which sends the temperature information to a control module (28), which preferably comprises a screen and a button panel that allows the user to control the desired temperature and be informed of the pressure and temperature within the plurality of slats (23). Said control module (28) is electrically powered by the electrical power supply device (8).
La pluralidad de lámelas (23) comprende un punto de descarga, el cual se conecta con una línea de descarga (29). Dicha línea de descarga lleva el agua hacia el exterior del calentador de agua hacia un depósito de agua caliente (30). Dicho depósito de agua caliente (30) se dispone de tal manera que cualquier usuario puede extraer agua caliente para uso propio, mantenido el agua en un rango de 80° a 100° C. La extracción del agua se realiza preferentemente mediante una válvula manual (31). The plurality of blades (23) comprises a discharge point, which is connected to a discharge line (29). Said discharge line takes the water outside the water heater to a hot water tank (30). Said hot water tank (30) is arranged in such a way that any user can extract hot water for own use, keeping the water in a range of 80° to 100° C. The extraction of water is preferably carried out using a manual valve ( 31).
Para poder controlar el paso del agua desde la pluralidad de lámelas (23) hacia el depósito (30), la línea de descarga (29) comprende un conjunto válvula presostato (32), actuando de esta forma de acuerdo a la presión que existe al interior de la pluralidad de lámelas (23) para descargar agua al depósito (30). El conjunto válvula presostato (32) actúa a una presión del orden de los 0, 5 a 1 ,5 bar, dependiendo de las condiciones de presión atmosférica. De esta manera, el sistema secundario (20) de la invención permite el calentamiento de agua aprovechando el calor residual que se obtiene a partir del conjunto quemador (11) durante la operación normal del calentador de agua (100), trayendo el consecuente ahorro de energía calórica y eléctrica para el calentamiento de agua a nivel domiciliario. En efecto, el agua que es utilizada por el sistema secundario (20) no afecta el flujo y presión del agua que es distribuida desde el calentador de agua (100) a través de la salida de agua caliente para servicio (2). In order to control the passage of water from the plurality of blades (23) to the tank (30), the discharge line (29) comprises a pressure switch valve assembly (32), acting in this way according to the pressure that exists at the same time. interior of the plurality of slats (23) to discharge water to the tank (30). The pressure switch valve assembly (32) acts at a pressure of the order of 0.5 to 1.5 bar, depending on the atmospheric pressure conditions. In this way, the secondary system (20) of the invention allows the heating of water by taking advantage of the residual heat obtained from the burner assembly (11) during the normal operation of the water heater (100), bringing the consequent savings of caloric and electrical energy for heating water at home level. In effect, the water that is used by the secondary system (20) does not affect the flow and pressure of the water that is distributed from the water heater (100) through the hot water outlet for service (2).
LISTA DE REFERENCIAS REFERENCE LIST
(100) Calentador de agua (100) Water heater
(101) Carcasa (101) Housing
(1 ) Entrada de agua fría (1) Cold water inlet
(2) Salida de agua caliente para servicio (2) Hot water outlet for service
(3) Conectar para entrada de gas (3) Connect for gas inlet
(4) Línea de circulación (4) Circulation line
(5) Dispositivo de intercambiado de calor (5) Heat exchange device
(6) Sensor de temperatura (6) Temperature sensor
(7) Módulo de control (7) Control module
(8) Dispositivo de alimentación de energía eléctrica (8) Electrical power supply device
(9) Línea de distribución de gas (9) Gas distribution line
(10) Conjunto de inyección (10) Injection assembly
(11) Conjunto quemador (11) Burner assembly
(12) Dispositivo de encendido y detección de llama (12) Ignition and flame detection device
(13) Corta tiro (14) Válvula de seguridad (13) Short shot (14) Safety valve
(20) Sistema secundario para calentar agua(20) Secondary system for heating water
(21) Entrada de agua (21) Water inlet
(22) Línea de entrada de agua (22) Water inlet line
(23) Pluralidad de lámelas (23) Plurality of lamellae
(24) Válvula de retención línea de entrada(24) Inlet line check valve
(25) Línea de alivio (25) Relief line
(26) Válvula de retención línea de alivio(26) Relief line check valve
(27) Sensor de temperatura de lámelas(27) Lamella temperature sensor
(28) Módulo de control (28) Control module
(29) Línea de descarga (29) Discharge line
(30) Depósito de agua caliente (30) Hot water tank
(31) Válvula manual (31) Manual valve
(32) Conjunto válvula presostato (32) Pressure switch valve assembly

Claims

REIVINDICACIONES Un sistema secundario (20) para calentar agua, que opera simultáneamente con un calentador de agua (100) domiciliario, que utiliza calor residual producido por un conjunto quemador (11) de la operación del dicho calentador de agua (100) para ahorro de energía, CARACTERIZADO porque comprende una entrada de agua (21) conectada a una línea de circulación (4) del calentador de agua (100), una línea de entrada (22) que recibe el flujo y lo envía a una pluralidad de lámelas (23) dispuestas justo sobre el conjunto quemador (11) para sobrecalentar el agua, un sensor de temperatura (27) dispuesto en la pluralidad de lámelas (23), para determinar la temperatura del agua sobrecalentada, en donde la pluralidad de lámelas (23) comprende un punto de descarga, el cual se conecta con una línea de descarga (29) lleva el agua hacia un depósito de agua caliente (30), par extracción de agua caliente por un usuario, donde dicha línea de descarga (29) comprende un conjunto válvula presostato (32). El sistema secundario (20) para calentar agua, de acuerdo a la reivindicación 1 , CARACTERIZADO porque la línea de entrada (22) comprende una válvula de retención (24) para impedir el retomo del flujo. El sistema secundario (20) para calentar agua, de acuerdo a la reivindicación 2, CARACTERIZADO, desde la línea de entrada (22) se deriva una línea de alivio (25), que permite la salida de aire o vapor sobrecalentado desde el sistema secundario (20) y lo dirige hacia un corta tiro (13) del calentador de agua (100). El sistema secundario (20) para calentar agua, de acuerdo a la reivindicación 3, CARACTERIZADO, porque dicha línea de alivio (25) comprende una válvula de retención (26), para impedir el retomo del flujo de aire o vapor sobrecalentado. CLAIMS A secondary system (20) for heating water, which operates simultaneously with a home water heater (100), which uses residual heat produced by a burner assembly (11) from the operation of said water heater (100) to save energy. energy, CHARACTERIZED because it comprises a water inlet (21) connected to a circulation line (4) of the water heater (100), an inlet line (22) that receives the flow and sends it to a plurality of blades (23 ) arranged just above the burner assembly (11) to superheat the water, a temperature sensor (27) arranged in the plurality of slats (23), to determine the temperature of the superheated water, where the plurality of slats (23) comprises a discharge point, which is connected to a discharge line (29) carries the water to a hot water tank (30), for extraction of hot water by a user, where said discharge line (29) comprises a set pressure switch valve (32). The secondary system (20) for heating water, according to claim 1, CHARACTERIZED because the inlet line (22) comprises a check valve (24) to prevent the return of the flow. The secondary system (20) for heating water, according to claim 2, CHARACTERIZED, from the inlet line (22) a relief line (25) is derived, which allows the exit of superheated air or steam from the secondary system (20) and directs it towards a short draft (13) of the water heater (100). The secondary system (20) for heating water, according to claim 3, CHARACTERIZED, because said relief line (25) comprises a check valve (26), to prevent the return of the flow of superheated air or steam.
5. El sistema secundario (20) para calentar agua, de acuerdo a cualquiera de las reivindicaciones anteriores, CARACTERIZADO, porque el sensor de temperatura (27) envía información de la temperatura a un módulo de control (28), el cual comprende una pantalla y una botonera que permite al usuario controlar la temperatura deseada e informarse de la presión y temperatura dentro de la pluralidad de lámelas (23). 5. The secondary system (20) for heating water, according to any of the previous claims, CHARACTERIZED, because the temperature sensor (27) sends temperature information to a control module (28), which comprises a screen and a button panel that allows the user to control the desired temperature and be informed of the pressure and temperature within the plurality of slats (23).
6. El sistema secundario (20) para calentar agua, de acuerdo a cualquiera de las reivindicaciones anteriores, CARACTERIZADO porque el depósito de agua caliente (30), comprende una válvula manual (31) para extracción de agua caliente. 6. The secondary system (20) for heating water, according to any of the previous claims, CHARACTERIZED in that the hot water tank (30) comprises a manual valve (31) for hot water extraction.
7. El sistema secundario (20) para calentar agua, de acuerdo a cualquiera de las reivindicaciones anteriores, CARACTERIZADO porque opera a una presión que varía entre 0,5 y 1 ,5 bar y entrega el agua al depósito de agua caliente (30) a una temperatura que varía entre 80 y 100° C. 7. The secondary system (20) for heating water, according to any of the previous claims, CHARACTERIZED in that it operates at a pressure that varies between 0.5 and 1.5 bar and delivers the water to the hot water tank (30). at a temperature that varies between 80 and 100° C.
8. Un calentador de agua (100) para calentar agua a nivel domiciliario, que utiliza calor residual para ahorro de energía, CARACTERIZADO porque comprende: una carcasa (101); al menos una entrada (1) de agua fría; una salida de agua caliente (2) para servicio; un conectar (3) para entrada de gas, conectado a la red de distribución de gas o a un cilindro de gas; una línea de circulación (4) de agua conectada a la entrada (1), dicha línea de circulación (4) estando en contacto térmico con un dispositivo de intercambio de calor (5) y llevando el agua hasta la salida de agua caliente (2); una línea de distribución de gas (9) conectada con el conectar (3) para entrada de gas y que envía el gas hacia un conjunto de inyección (10), dispuesto en la parte inferior del calentador de agua (100), que inyecta gas a un conjunto quemador (11): un dispositivo de encendido y detección de llama (12), el cual se dispone sobre el conjunto quemador (11 ); y un sistema secundario (20) para calentar agua, de acuerdo a las reivindicaciones 1 a 7. El calentador de agua (100) para calentar agua, de acuerdo a la reivindicación 8, CARACTERIZADO porque la línea de circulación (4) comprende al menos un sensor de temperatura (6), para determinar la temperatura del flujo de circulación. El calentador de agua (100) para calentar agua, de acuerdo a la reivindicación 9, CARACTERIZADO porque dicho sensor de temperatura (6) envía la información a un módulo de control (7), el cual comprende una pantalla y una botonera que permite al usuario controlar la temperatura deseada e informarse de la presión y temperatura dentro de la línea de circulación (4). El calentador de agua (100) para calentar agua, de acuerdo a la reivindicación 10, CARACTERIZADO porque dicho módulo de control (7) es alimentado eléctricamente por un dispositivo de alimentación de energía eléctrica (8). El calentador de agua (100) para calentar agua, de acuerdo a cualquiera de las reivindicaciones anteriores, CARACTERIZADO porque una parte superior del calentador de agua (100) comprende un corta tiro (13), para permitir la salida de los gases de escape desde el conjunto quemador (11). El calentador de agua (100) para calentar agua, de acuerdo a cualquiera de las reivindicaciones anteriores, CARACTERIZADO porque el conjunto de inyección (10) se encuentra conectado a una válvula de seguridad (14), en caso de que exista sobrepresión en dicho conjunto de inyección (10), donde dicha válvula de seguridad se dispone preferentemente en una parte inferior del calentador de agua (100). 8. A water heater (100) for heating water at the home level, which uses residual heat to save energy, CHARACTERIZED because it comprises: a casing (101); at least one (1) cold water inlet; a hot water outlet (2) for service; a connector (3) for gas inlet, connected to the gas distribution network or to a gas cylinder; a water circulation line (4) connected to the inlet (1), said circulation line (4) being in thermal contact with a heat exchange device (5) and carrying the water to the hot water outlet (2 ); a gas distribution line (9) connected to the gas inlet connector (3) and which sends the gas to an injection assembly (10), arranged in the lower part of the water heater (100), which injects gas to a burner assembly (11): an ignition and flame detection device (12), which is has on the burner assembly (11); and a secondary system (20) for heating water, according to claims 1 to 7. The water heater (100) for heating water, according to claim 8, CHARACTERIZED in that the circulation line (4) comprises at least a temperature sensor (6), to determine the temperature of the circulation flow. The water heater (100) for heating water, according to claim 9, CHARACTERIZED in that said temperature sensor (6) sends the information to a control module (7), which comprises a screen and a button panel that allows the user control the desired temperature and obtain information on the pressure and temperature within the circulation line (4). The water heater (100) for heating water, according to claim 10, CHARACTERIZED in that said control module (7) is electrically powered by an electrical power supply device (8). The water heater (100) for heating water, according to any of the preceding claims, CHARACTERIZED in that an upper part of the water heater (100) comprises a short draft (13), to allow the exit of exhaust gases from the burner assembly (11). The water heater (100) to heat water, according to any of the previous claims, CHARACTERIZED because the injection assembly (10) is connected to a safety valve (14), in case there is overpressure in said assembly injection (10), where said safety valve is preferably arranged in a lower part of the water heater (100).
PCT/CL2023/050046 2022-05-31 2023-05-31 Secondary system for heating water that operates simultaneously with a domestic water heater WO2023230738A1 (en)

Applications Claiming Priority (2)

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CL2022001427 2022-05-31
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010175185A (en) * 2009-01-30 2010-08-12 Noritz Corp Latent heat recovery type water heating system
JP2010249395A (en) * 2009-04-15 2010-11-04 Takagi Ind Co Ltd Heat source device and its drainage suppressing method
JP5256885B2 (en) * 2008-06-27 2013-08-07 株式会社ノーリツ Latent heat recovery heat source machine
JP2017106662A (en) * 2015-12-09 2017-06-15 株式会社パロマ Hot water supply system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5256885B2 (en) * 2008-06-27 2013-08-07 株式会社ノーリツ Latent heat recovery heat source machine
JP2010175185A (en) * 2009-01-30 2010-08-12 Noritz Corp Latent heat recovery type water heating system
JP2010249395A (en) * 2009-04-15 2010-11-04 Takagi Ind Co Ltd Heat source device and its drainage suppressing method
JP2017106662A (en) * 2015-12-09 2017-06-15 株式会社パロマ Hot water supply system

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