RU198894U1 - Household stove for a fuel briquette of fossil coal with gas ignition - Google Patents

Abstract

A household stove for a fuel briquette of fossil coal with gas ignition belongs to the municipal economy, in particular to stoves for burning solid fuels, and at the same time to the coal industry for the production of coal briquettes, which are intended for use in special household stoves, and can be used for cooking and heating the room.

Currently, there are no household stoves that are designed specifically for burning coal briquettes, and there is also no production of fuel briquettes from mined coal, designed specifically for domestic stoves.

This utility model eliminates this gap with a new design of the furnace, which consists of a body divided by a partition into two compartments, each of which can burn simultaneously two coal briquettes, installed on special trays, with gas ignition, including a gas burner and a gas ignition device. The stove also has a hob for placing up to four units of cooking utensils, in the central part of the hob there is a built-in gas burner, isolated from the compartments where fuel briquettes are burned, which provides quick heating of food or cooking with a short cooking time (3-5 minutes) without ignition of the furnace. At the same time, a new fuel briquette was proposed, which consists of 85% of fossil coal, 5% of sawdust and 10% of a binder.

This furnace design eliminates the disadvantages of existing furnaces due to the fact that low-cost fuel briquettes are used during gas ignition, which can be stored indefinitely in sealed packaging and distributed through conventional retail channels, including online stores with home delivery. A five-liter gas cylinder can provide ignition of the stove for 6-12 months, depending on whether the stove is used only for cooking, or also for heating the room and other household needs. With a short-term absence of fossil coal fuel briquettes, the furnace can operate on any solid fuel. The production of fuel briquettes and their packaging significantly reduces the loss of mined coal during transportation, and its storage is not limited by the time frame and storage conditions. The ignition of the stove becomes fast and reliable, and the consumption of flammable fuel for ignition is reduced. The ecological situation is radically improved due to the absence of losses during the transportation and storage of coal, as well as more complete combustion of fuel with a minimum yield of carbon monoxide, soot and ash per unit of fuel consumed. 6 ill.

Description

A household stove for a fuel briquette of fossil coal with gas ignition belongs to the municipal economy, in particular to stoves for burning solid fuels, and at the same time to the coal industry for the production of coal briquettes, which are intended for use in special household stoves, and can be used for cooking and heating the room.

Known household stoves (soldier, garden, as well as "Fireplaces and Stoves" in the book of the firm "Adamant" Moscow (publishing house Moscow, firm "Adamant", 2002)) for burning solid fuel (anthracite, coal, brown coal, oil shale, peat, firewood). All known household stoves with any type of fuel have the following disadvantages: heavy flammability of less expensive types of fuel, which requires a significant consumption of flammable fuel to ignite the stove; low efficiency, that is, a much higher fuel consumption per unit of heat transfer than that of specialized furnaces; significant damage to the environment due to incomplete combustion of fuel, which causes a large content of incomplete combustion products in smoke (including carbon monoxide and soot) and a high ash yield per unit of fuel consumed.

The closest in technical essence is the invention "Furnace for burning low-grade coal" (RF patent No. 2306487), including a body made with a narrowing in the upper part, windows and doors for loading fuel and unloading ash, grates forming blast channels for burning solid fuel in the furnace. Disadvantages - the difficulty of procurement, storage of fuel, the duration of ignition, which requires a significant consumption of flammable fuel, the need for regular cleaning of chimneys.

Known invention "Burner with piezoelectric ignition" (and.with. SU 1657881) for a gas stove, including a housing with a drive element installed in it, a discharge chamber, a block of piezoelements with electrodes brought into the discharge chamber.

Known invention "Layered fuel briquette" (and.with. SU 1759857), which has a base layer consisting of coal and peat, and an incendiary layer consisting of coal, peat, potassium nitrate and barium nitrate. The briquette has longitudinal holes. The main disadvantages of this briquette are unreliable connection of layers, unreliable ignition of the main layer, low moisture resistance, a relatively large mass of the incendiary layer, which increases the cost of the briquette.

The noted disadvantages of stoves and briquettes are eliminated by the fact that the proposed household stove for a fuel briquette of fossil coals with gas ignition, consisting of a body on legs with a truncated trapezoidal upper part with a chimney pipe and a hob, with grates, windows and doors for loading fuel and unloading ash , the body is divided by a partition into two compartments, has guides for pallets with the ability to install fuel briquettes of fossil coals on them, in the center of each of which gas combustion devices (burners) with piezo ignition are fixed on the grates, used to ignite fuel briquettes of fossil coals, while in The central part of the hob is equipped with a built-in gas burner isolated from the compartments where fuel briquettes are burned, which provides quick heating of food or cooking with a short cooking time (3-5 minutes) without igniting fuel briquettes, while the fuel briquette of fossil coal is cylindrical th form with a hole along the axis of the cylinder, consisting of fossil coal and a binder, contains sawdust to intensify the combustion process when the particle size of ground coal is not more than 5 mm.

The design of the furnace is illustrated by the figures:

FIG. 1 - front view

FIG. 2 - side view

FIG. 3 - top view

FIG. 4 - a pallet for fuel briquettes of fossil coal

FIG. 5 - oven with an additional gas burner, front view

FIG. 6 - furnace with an additional gas burner top view

A body on legs 1 with a truncated trapezoidal top with a chimney 2 and a hob 3, a partition 4 dividing the body into two identical compartments, a window with a door for loading fuel 5, a window with a door for unloading ash and blowing (intake) air 6, grate 7, forming a blowing channel 8 with a window 6, guides 9 are fixed above the grate, along which pallets 10 with fuel briquettes of fossil coal 11 are installed into the furnace 11. Gas burners 12 are located under the fuel briquettes on the grate, to which pipes 13 from piezo ignition devices 14, fixed on the partition 4. Pipes 15 from the gas reducer with a tee 16 of the gas cylinder 17 installed between the legs of the body and the switching system 18 are connected to the incendiary devices; in the central part of the hob 3 there is a built-in isolated from the compartments where fuel is burned briquettes, gas burner 19, providing direct heating of cooking utensils with a flame.

Using the proposed oven for cooking and heating the premises is as follows. The door of the window for loading fuel 5 is opened, fuel briquettes of fossil coal 11 are installed on the pallet 10, and the pallet through the window 5 moves along the guides 9 until it stops against the rear wall of the housing 1. In total, from one to four fuel briquettes of fossil coal are installed in the furnace, depending on how many cooking utensils are used for cooking at the same time. Gas is supplied from a gas cylinder 17 through a gas reducer with a tee 16 through pipes 15 to piezo ignition devices 14 and then through pipes 13 to gas burners 12. The ignition system 18 provides gas supply to burners 12 and ignition of the supplied gas by piezo ignition devices 14. After ignition of fuel briquettes fossil coals, the gas supply to the burners is stopped. Further combustion of the fuel briquette of fossil coals is provided by the air flow coming from the window with a door for unloading ash and blowing (intake) air 6 through the blowing channel 8 and the grate 7. The combustion products of the briquettes heat the hob 3 and are removed through the truncated trapezoidal upper part with a pipe chimney 2. On the hob there are marked zones of maximum heating, on which the cookware should be placed. At the end of the cooking process, air access is stopped by closing the windows with doors for unloading ash and blowing (intake) air 6, which causes the cessation of combustion of fuel briquettes of fossil coals. In the case of incomplete combustion of fossil coal fuel briquettes, the next cooking cycle begins with their ignition and subsequent combustion until complete combustion. If the cooking cycle is longer than the burning time of the fuel briquettes of fossil coals, new briquettes are installed when the pallets are pulled out of the furnace through the open windows for loading fuel 5, followed by ignition of the newly installed briquettes with gas burners. If it is necessary to use the oven for a short time (for heating food or cooking dishes with a short cooking time (3-5 minutes)), a gas burner 19 is used without igniting the oven. The fuel briquette of fossil coal has a cylindrical shape with a diameter in the range from 80 to 100 mm and a height in the range of 100-150 mm with a hole along the axis of the cylinder with a diameter of 20 mm, composition: 85% of fossil coal with a particle size of less than 5 mm, 5% of sawdust and 10% binder.

This furnace design eliminates the disadvantages of existing furnaces, described above, due to the fact that low cost fuel briquettes are used during gas ignition, which can be stored indefinitely in sealed packaging and distributed through conventional retail channels, including online stores with home delivery. When using a five-liter gas cylinder, it can provide ignition of the stove for 6-12 months, depending on whether the stove is used only for cooking, or also for heating the room and other household needs. With a short-term absence of fossil coal fuel briquettes, the furnace can operate on any solid fuel. The production of fuel briquettes and their packaging significantly reduces the loss of mined coal during transportation, and its storage is not limited by the time frame and storage conditions. The ignition of the stove becomes fast and reliable, and the consumption of flammable fuel for ignition is reduced. The ecological situation is radically improved due to the absence of losses during the transportation and storage of coal, as well as more complete combustion of fuel with a minimum yield of carbon monoxide, soot and ash per unit of fuel consumed.

Claims (2)

1. Household stove for a fuel briquette of fossil coals with gas ignition, including a body on legs with a truncated trapezoidal upper part with a chimney pipe and a hob, with grates, windows and doors for loading fuel and unloading ash, characterized in that the body is divided by a partition into two compartments, has guides for pallets with the ability to install fuel briquettes of fossil coals on them, in the center of each of which gas combustion devices are fixed on the grates - burners used to ignite fuel briquettes of fossil coals, pipes from piezo ignition devices fixed on the partition are connected to the burners , pipes from a gas reducer with a tee are connected to the piezo ignition devices. 2. Household stove for a fuel briquette of fossil coals with gas ignition according to claim 1, characterized in that in the central part of the hob there is a built-in gas burner isolated from the compartments where fuel briquettes are burned, which provides quick heating of food or cooking with a short time readiness 3-5 minutes, without igniting fuel briquettes.

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