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395 results about "Cook stove" patented technology

A biomass cook stove is heated by burning wood, charcoal, animal dung or crop residue. Cook stoves are commonly used for cooking and heating food in rural households. Nearly half of the world's population, approximately 3 billion people, use solid fuels such as coal, wood, animal dung, and crop residues for their domestic energy needs. Among those who use indoor cooking stoves, the poorest families living in rural areas most frequently use solid fuels, where it continues to be relied on by up to 90% of households. Households in developing countries consume significantly less energy than those in developed countries; however, over 50% of the energy is for cooking food. The average rural family spends 20% or more of its income purchasing wood or charcoal for cooking. The urban poor also frequently spend a significant portion of their income on the purchase of wood or charcoal. Deforestation and erosion often result from harvesting wood for cooking fuel. The main goal of most improved cooking stoves is to reduce the pressure placed on local forests by reducing the amount of wood the stoves consume, and to reduce the negative health impacts associated with exposure to toxic smoke from traditional stoves.

Induction Cook-Top Apparatus

An induction stove assembly that utilizes pads between the cook-top of the stove and cooking vessels placed on the stove for heating. The pads are easily removable and interchangeable with other similar pads. The pads help protect the cook-top from damage, make clean-up more efficient, and insulate the cook-top from excessive heating.
Owner:KENYON INT

System and method for monitoring range hood and cooking stove in remote mode based on mobile phone

The invention relates to mobile phone remote monitoring technologies, and discloses a system and method for monitoring a range hood and a cooking stove in a remote mode based on a mobile phone. The range hook and the cooking stove can be monitored according to needs in a remote mode, or the working state of the range hook and the working state of the cooking stove can be controlled in a remote mode, and therefore the using safety of fuel gas is improved. According to the system and method, when a user needs to conduct state inquiry or control on the range hood and / or the cooking stove, a control instruction is sent to a cloud server, the cloud server inquires the range hood matched with a mobile phone terminal, the control instruction is forwarded, the range hood sends the control instruction specific for the cooking stove to the cooking stove through a radio frequency emission module, the cooking stove feeds information back to the range hood according to the control instruction, after the range hood conducts corresponding operation according to the instruction specific for the range hood, the state information of the range hood and the feedback information of the cooking stove are together sent to the cloud server, and then the cloud server sends the information to the mobile phone terminal. The system and method are suitable for conducting remote monitoring on the range hood and the cooking stove in a family.
Owner:SICHUAN CHANGHONG ELECTRIC CO LTD

Wet process for building 3t intermediate frequency electric furnace

The invention relates to a wet process for building a 3t intermediate frequency electric furnace. By the process, 3t of materials can be melted, and the service life is prolonged. The process comprises the following steps of: (1) manufacturing a steel crucible die which has a shape of a truncated hollow cone; (2) paving an insulation layer and a thermal insulation layer by using two layers of asbestos cloth; (3) paving a furnace bottom, namely paving two layers of asbestos cloth at the furnace bottom in a staggered mode; (4) paving a furnace wall, namely paving two layers of asbestos cloth next to the inner wall of an induction coil from top to bottom, ensuring that each layer is flat and does not have any wrinkle, adhering longitudinal joints for lapping by using water glass, staggering joints of two adjacent layers, and adhering the asbestos cloth which stretches out of the upper plane to a fireproof brick plane at an upper opening of the furnace by using the water glass; (5) preparing a furnace lining material from refined quartz sand; (6) manually knotting a furnace lining, brushing a layer of water glass before filling, and tamping a filler; and (7) baking the furnace and sintering, namely baking only by using firewood after the furnace is built by the wet process, adding 50 to 60kg of firewood into a hearth for several times, and completely combusting to bake the furnace lining.
Owner:HANGZHOU ZHONGQIANG ROLLER

Heating method for controlling decarburization in heavy rail billet furnace

The invention provides a heating method for controlling decarburization in a heavy rail billet furnace in a heat accumulation heating mode. The heating process comprises a pre-heating section, a heating section and a soaking section. A furnace pressure measurement point is positioned at the pre-heating section; the full furnace is controlled at positive pressure; when the billet temperature is controlled to be less than 1,000 DEG C, the atmosphere in the furnace is oxidizing atmosphere, and the air consumption coefficient is between 1.05 and 1.25; and when the billet temperature is controlledto be more than or equal to 1,000 DEG C, the atmosphere in the furnace is weak reducing atmosphere, the air consumption coefficient is between 0.9 and 1.0. Aiming at the operation and decarburizationcharacteristics of the heat accumulation heating furnace different from the traditional heating furnace, the segment control method is adopted on the control aspects of atmosphere in the furnace and temperature, and a limit low-oxygen concentration burning process is realized. The method has the advantages of low heated billet surface decarburization, low oxidized burning loss, high furnace energy utilization, low pollutant discharge, low production cost and the like, is simple, convenient and feasible, and can achieve good effect of saving materials and energy at the same time of improving the heating quality of products.
Owner:武钢集团有限公司

Modular outdoor kitchen apparatus and methods

A unitary kitchen assembly and method is provided. A method comprises the steps of tooling an expanded polystyrene member to have circumferential surfaces and recessed surfaces, the recessed surfaces comprising a compartment for accepting a stove element, insulating the compartment in the expanded polystyrene member such that the stove element is sufficiently insulated with respect to the compartment to protect the heat integrity of the member at temperatures that the stove element operates, and providing at least one of structural load points or a urethane / quartz aggregate exterior coating for supporting the expanded polystyrene member for providing structural integrity to the member such that the member can receive weighted objects thereupon without compromising the structural integrity of the expanded polystyrene member. A unitary kitchen assembly is provided comprising an expanded polystyrene member comprising a plurality of circumferential surfaces having a plurality of extremities remote one from the other, a plurality of interior surfaces, the interior surfaces for accepting an element selected from the group consisting of shelves, refrigerators, warmers, drawers and storage spaces, and a plurality of recessed surfaces, the recessed surfaces comprising a compartment for accepting a stove element. An insulation for engaging the stove element and the compartment sufficient to protect the heat integrity of the member at temperatures that the stove element operates. And, at least one of a plurality of structural load point supports extending through the expanded polystyrene member, or a urethane / quartz aggregate exterior coating for supporting the expanded polystyrene member for providing structural integrity to the member.
Owner:OPS

Outdoor Cook Stove

A portable outdoor stove is provided which includes a burner primarily comprising an outer and inner pieces bolted tightly to form a small gas / air mixture chamber for accepting and maintaining high pressure gaseous fuel, a wind guard of cylinder shape capable of tightly coupled with a cooking vessel and possessing slot opening of less than 180° toward its top for exhaust outlet, adjustable means for supporting the burner and positioning flame from burner onto bottom of cooking vessel, short or long legs to support the wind guard and the cooking vessel. A protection guard can be put around the first wind guard preventing an operator accidentally touching the wind guard during cooking.
Owner:ZHOU DONGSHENG

Multi-functional food cooking stove

The invention relates to a multi-functional food cooking stove, which comprises a pedestal, a swing frame, a swing motor and a rotating motor, wherein the swing motor is used for driving the swing frame to swing upwards and downwards; the rotating motor is used for driving a stove body to rotate; the stove body is arranged on the swing frame and is in a hollow cylindrical shape approximately; the first end of the stove body is provided with a sealing stove door, and the second end is provided with a flange with a smoke vent and a first bearing connected with the flange; the stove body also comprises a seasoning inlet supporting pipe; one end of the seasoning inlet supporting pipe is fixed on the swing frame, while the other end extends into an inner stove; the first bearing is sleeved on the seasoning inlet supporting pipe; a heating device is used for heating the stove body; and an auxiliary device is arranged closed to the second end of the stove body and used for venting smoke and throwing seasonings and water. The stove body of the multi-functional food cooking stove can rotate and can swing upwards and downwards. The multi-functional food cooking stove is suitable for cooking various foods, integrates multiple functions, such as frying, steaming, baking, braising and the like, can produce various dishes in batches in a standardized way, and also has the advantages of energy conservation, environmental protection and the like.
Owner:马鞍山市中亚机床制造有限公司

Burner system employing flue gas recirculation

System for reducing NOx emissions from burners of furnaces such as those used in steam cracking. The system includes a furnace having at least one burner, the at least one burner including a primary air chamber; a burner tube including a downstream end, an upstream end in fluid communication with the primary air chamber for receiving air, flue gas or mixtures thereof and fuel, a venturi portion positioned between the downstream end and the upstream end, and a burner tip mounted on the downstream end of the burner tube adjacent the first opening in the furnace for combusting the fuel downstream of the burner tip; and a fuel orifice located adjacent the upstream end of the burner tube for introducing fuel into the burner tube; a source of flue gas, said source positioned so as to enable the flue gas to achieve a temperature of less than 2000° F. at least one passageway for conducting flue gas from the source to the primary air chamber; and inspirating means, the inspirating means including the venturi portion effective for drawing flue gas from the source, through the at least one passageway and the primary air chamber in response to an inspirating effect of uncombusted fuel exiting the fuel orifice, the uncombusted fuel flowing through the burner tube from its upstream end towards its downstream end, whereby the flue gas is mixed with air at the upstream end of the burner tube prior to the zone of combustion of the fuel.
Owner:EXXONMOBIL CHEM PAT INC

Oxyfuel combusting boiler system and a method of generating power by using the boiler system

Carbonaceous fuel is combusted with an oxidant gas in a furnace of a boiler system to generate power. Oxidant gas is fed into the furnace for combusting the fuel to produce exhaust gas, the exhaust gas is discharged from the furnace via an exhaust gas channel, a stream of feedwater is conveyed from a final economizer arranged in the exhaust gas channel to evaporating and superheating heat exchange surfaces arranged in the furnace and in the exhaust gas channel for converting the feedwater to superheated steam, the superheated steam is converted in a high-pressure steam turbine for generating power, a first portion of steam is extracted from the high-pressure steam turbine for preheating the feedwater, a second portion of steam is conveyed from the high-pressure steam turbine to reheating heat exchange surfaces arranged in the exhaust gas channel for generating reheated steam, and the reheated steam is expanded in an intermediate pressure steam turbine for generating power. The oxidant gas can be a mixture of substantially pure oxygen and recycled exhaust gas, and the ratio of the first and second portions of steam can be controlled to obtain a desired flue gas temperature in the exhaust gas channel downstream of the final economizer.
Owner:KAUTEX TEXTRON GMBH & CO KG

Method for recovering waste heat of high-temperature fuel gas of smelting furnace

The invention relates to a method for recovering waste heat of high-temperature fuel gas of a smelting furnace. The method is characterized in that a conventional heat exchanging type combustion mode is operated when the furnace is started or in low-temperature combustion, and a thermal storage type combustion mode is operated when the temperature of the furnace is higher than 950 DEG C. The method is realized through a system for recovering waste heat of high-temperature fuel gas of the smelting furnace. The system comprises the smelting furnace, a thermal storage type regenerative burner system, a fume exhaust induced draft fan, a fuel gas circulation fan and a convection and radiation heat exchanger. According to the waste heat gradient utilization principle and difference of heating loads of the furnace, waste heat resources of fuel gas are recovered in the thermal storage mode and the heat exchanging mode properly, the advantages of the two modes are fully utilized, the waste heat recovery methods are automatically switched according to different temperatures of fuel gas in the furnace, the fuel gas is preheated and returns to the furnace through a flowing fire blocking wall in the furnace, high-temperature fuel gas waste heat is recycled to the maximum extent, waste heat recovery efficiency is improved, energy is effectively conserved, and it is guaranteed that the system can safely and stably operate.
Owner:SINOSTEEL ANSHAN RES INST OF THERMO ENERGY CO LTD

Fire suppression device

The system of the present invention is comprised of the following: a fire extinguisher; solenoid adapted to release said extinguisher; a flexible conduit adapted to direct the contents of the extinguisher to the stove; a linear heat detector for sensing fire; a disconnecting box adapted to disconnect the cooking gas or electricity from stove at the event of fire; a second CO2 gas or equivalent gas container that is connected to the disconnecting box; another solenoid adapted to release said gas container; more conduits connected to each of the burners in the stove. In this configuration, fire suppression, and gas cutoff are effected simultaneously. Additionally to the above mentioned effects, the system further simultaneously injects CO2 or similar extinguishing gas instead of natural gas straight to the burner itself suffocating the fire at the source.
Owner:BEN NERIA SHAVIV
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