RU138705U1 - BATH FURNACE - Google Patents

Abstract

Welded metal bath furnace, comprising a housing, a combustion chamber with a chimney, a heater, a water tank, a grate and a bowl for holding fuel, a fuel loading door, a retractable ash pan, a chimney, a drain valve for releasing heated water, characterized in that it has built-in tank for heating water with a water convector passing through the combustion chamber, at least two taps for taking hot water, at least two hatches for filling water with at least two sides in the steam room and in the dressing room, monitoring device beyond the water level in the water tank, the casing is equipped with legs, has a rectangular section and is divided into parts, one of which is a combustion chamber and the other is a smoke chamber, while the furnace and smoke chambers are connected by a chimney, the casing has a built-in upper and lower heater, lower heater located in the smoke chamber, the chimney is built into the smoke chamber and passes through the upper heater.

Description

The utility model relates to household appliances, namely to heating devices intended for heating rooms of small baths with simultaneous production of hot water and steam, and is used in individual baths.

Known technical solution according to the patent RU 2471123 C1 F24B 7/00 F24B 1/24 publ. 12/27/2012, in which the BATTERY FURNACE contains a housing in which a furnace with a grate and an ash pan is placed, and above the furnace there is a closed container with heat-accumulating elements and an opening for pouring water, adapted to release steam, a chimney and a supply and exhaust device ventilation. Means for supply and exhaust ventilation are made in the form of a central duct located under the ash pan with a door connected by a mechanical rod with a rotary air valve mounted on its opposite end, and side ducts with doors located to the left and right of the ash pan. Disadvantages: lack of a water tank, i.e. heating of washing water is not provided, heats only one room, for supply and exhaust ventilation a mechanical draft with a valve is also required, i.e. requires constant attention during the washing and steam bath process.

Known technical solution according to patent RU 46561 U1 F24B 5/00, F24C 13/00, publ. 07/10/2005, in which the BATH FURNACE, which is a welded metal structure, contains a housing with a furnace, in which burners of a gas burner are installed, and a pipe for removing gaseous products of fuel combustion, a heater, a water heater heat exchanger introduced into the furnace cavity, and flues in in the form of labyrinths, the entrances of which communicate with the cavity of the furnace, and the exits with a pipe for the removal of gaseous products of combustion of fuel. The heater is installed so that its bottom is buried in the furnace cavity, and the ducts adjacent to the side walls are formed by means of guide baffles-cutoffs installed on the inner side of the side walls of the housing. On the outer side of the side walls of the housing additionally installed heat transfer elements, made, for example, in the form of ribs. The sauna stove is equipped with a enclosure having through-holes in the upper part. The furnace furnace is made with a pre-heating tunnel and may have a cylindrical shape or the shape of a multifaceted prism. The heat exchanger of the water heater is made in the form of a U-shaped pipe connected to a removable water tank. Disadvantages: high danger, since gas burner devices in the bathhouse are unacceptable, the enclosing casing with through windows in the upper part prevents the heat transfer of the side surfaces, heats only one room: the steam room, the cylindrical shape of the furnace and the shape of the multi-faceted prism of the furnace are not technological, significantly complicate the manufacture, welding, require several grades of metal, which leads to high complexity of manufacturing and high cost of the product. In addition, the furnace requires an additional product - a removable water tank.

Known technical solution according to patent RU 47494 U1 F24H 1/00, F24H 1/14, F24H 1/32, publ. 08/27/2005, according to which the BATTERY FURNACE WITH A WATER CAPACITY contains a base, a casing made of heat-resistant material, inside of which there is a firebox and heater, a grate and grates for accommodating firewood or wood briquettes, a door for loading fuel, a chimney passing through a water-heating tank , a nozzle for the release of heated water, a stainless steel hot water tank in the form of two cylinders, the inner of which serves as a chimney for the furnace and a heater for water entering the outer cylinder through the lower cold water nozzle, and the upper hot water pipe is connected by an independent pipeline to the atmosphere, and a valve is installed at the inlet of the hot water tank to regulate the pressure and flow of cold water. Disadvantages: a chimney passing through a water tank reduces draft, combustion products are deposited on the walls of the pipe; two-cylinder water tanks are low-tech, difficult to maintain, and require constant attention to adjust the pressure and flow rate of cold water.

Closest to the claimed is a technical solution according to patent RU 104674 U1 F24B 9/00, publ. 05/20/2011, in which the BATH FURNACE, which is a welded metal structure, contains a body with a furnace, a pipe for removing gaseous products of fuel combustion, a heater, a pre-heating external tunnel, a removable water tank, and a water heater heat exchanger; while the furnace is formed by the walls of parts of different thicknesses, creating inclined surfaces; the plate under the grate is made in the entire length of the furnace; there is a frame around the grate that prevents the complete removal of solid fuel combustion products from the grate plate; removable panels are used in the casing design; a heat exchanger with two threaded nozzles located respectively in the upper and lower parts, is made in the form of a duct rigidly fixed to one of the walls of the product body; the heater and the top of the furnace, made in the form of a prism with a section of a trapezoid, form a system of self-cleaning chimneys; the bottom of the firebox also has the shape of a prism with a section of a trapezoid; chimney windows at the top of the furnace are triangular; on the top of the furnace there are pads. Disadvantages: complex design, not technologically advanced, requires metal parts of different thicknesses, hinged water tanks reduce the heat transfer of the furnace, heats one room, the bottom of the body does not participate in convection heat transfer, which reduces the heating efficiency of the room, only one heater is used, which also reduces the efficiency the operation of the furnace and increases the time of heating the room.

These shortcomings are solved by the claimed utility model. The design of the welded metal sauna stove with legs, rectangular shape, with a built-in stainless steel water tank, a water convector and two heaters, the upper and lower, is claimed. The lower heater is used to produce superheated steam, the upper as an additional heat accumulator. The heater is heated due to the exhaust gas chimney provided by the design of the chimney and smoke chamber. Accelerated heating of water in the tank occurs due to the flame of the furnace and the water convector. The furnace is designed for any type of solid fuel (firewood, briquettes, pellets, bulk fuel), and is made from the dressing room.

The furnace heats two rooms - a relaxation room (dressing room) with a volume of 8-15 cubic meters, and a steam room with a volume of 10-18 cubic meters.

The high efficiency of the furnace is ensured by the heat transfer from the bottom and walls of the furnace, smoke chamber, upper heater, water tank and part of the chimney located in the steam room. For the furnace operation comfort, the following are provided: furnace furnace from the waiting room, cold water pouring into the tank through the hatches in the steam room and in the waiting room, a water meter in the waiting room, the possibility of cleaning the water tank, furnace and chimneys of the furnace, full draining of water from the convector and tank, a retractable ash pan, selection hot water in the sink and in the dressing room. The durability of the furnace is ensured by the use of 5 mm sheet steel (furnace compartment), 3 mm stainless steel for the water tank and stainless pipes for the water convector. Steel chimney with a diameter of, for example, 115 mm with a wall thickness of 5 mm.

Depending on the volumes of the rooms of the dressing room and the steam room, modifications to the dimensions of the furnace and options for the location of the lower heater for the release of superheated steam in the right direction are possible.

The advantages of the claimed utility model: a case in the form of a parallelepiped with a rectangular cross-section on all planes, which gives the manufacturability of manufacturing all the parts, compact design and reduces cost; the presence of an integrated tank for heating large volumes of water, fast heating due to a convector located in the furnace; the presence of a lower heater, which increases the rate of formation of superheated steam and heating the washing room. High efficiency is ensured by the heat transfer of all structural elements of the furnace, water tank, and top heater. The design of the inventive utility model provides low fuel consumption, economic operation.

Convenience in operation of the claimed utility model: heating of two rooms of the bath is provided, while the furnace is made from the dressing room, hot water is drained from 2 rooms, the water is poured into the tank also from two rooms, safe control of the water level in the tank (water tanks ), it is possible to clean the smoke chamber from soot, a retractable ash pan. The lower heater gives superheated steam, the upper heater acts as a heat convector for heating the room.

The technical result is an increase in the efficiency of the product, the heating rate of large volume water and the formation of superheated steam, the convenience and efficiency of operation. The technical result is achieved in that the design of the sauna furnace, welded metal, contains a housing, a combustion chamber with a chimney, a stove, a water tank, a grate and a bowl for placing fuel, a door for loading fuel, a retractable ash pan (ash pan), a chimney, a drain a faucet for discharging heated water, characterized in that it has a built-in tank for heating water with a water convector passing through the combustion chamber, at least two taps for taking hot water, at least two hatches for filling water with at least two sides in the steam room and in the dressing room, a device for monitoring the water level in the water tank, the body is equipped with legs, has a rectangular section and is divided into parts, one of which is a combustion chamber and the other a smoke chamber, while the furnace and smoke chamber are connected by a chimney , the casing has a built-in upper and lower heater, the lower heater is located in the smoke chamber, the chimney is built into the smoke chamber and passes through the upper heater.

The essence of the proposed technical solution is illustrated by the images in figures 1-3.

Figure 1. - Sauna stove front view.

Figure 2. - side facade.

Figure 3. - sectional side facade (view along Α-A), where

1 - furnace furnace;

2 - a tank for water;

3 - water convector with drain tap;

4 - firebox bowl;

5 - grate;

6 - box ash pan (ash pan);

7 - firebox door;

8 - collapsible faucet of hot water;

9 - a tube of a water meter;

10 - a large hatch for water;

11 - a small hatch for water inlet;

12 - lower heater;

13 - upper heater;

14 - chimney with a coupling;

15 - valve for cleaning;

16 - legs of the furnace;

17 - smoke chamber.

An example implementation.

The bath furnace is manufactured using sheet steel with a thickness of, for example, 5-7 mm (furnace compartment), stainless steel with a thickness of, for example, 3-5 mm for a water tank and stainless pipes for a water convector. All parts have a rectangular perimeter, which increases the manufacturability and efficiency of cutting. Assembly is carried out by welding. Steel chimney with a diameter of, for example, 110-120 mm with a wall thickness of for example 5-7 mm.

A metal bath stove on legs 16, of rectangular shape, with a built-in water tank 2 made of stainless steel, a water convector 3 and two heaters - the upper 13 and lower 12. The lower heater 12 is used to produce superheated steam, the upper 13 - as an additional heat accumulator . The heater is heated due to the exhaust gas smoke passing through the chimney into the smoke chamber 17. The accelerated heating of the water in the tank 2 is due to the flame of the furnace 1 and the water convector 3. The furnace furnace 1 is designed for any type of solid fuel (firewood, briquettes, pellets, bulk fuel), and its filling is made from the dressing room. The furnace heats two rooms - a relaxation room (dressing room) with a volume of 8 to 16 cubic meters, and a steam room with a volume of 10-20 cubic meters.

High efficiency of the furnace is ensured by the heat transfer from the bottom and walls of the furnace 1, the smoke chamber 17, the upper heater 13, the water tank 2 and the chimney 14 located in the steam room.

For the furnace operation comfort, the following are provided: furnace furnace from the dressing room, cold water pouring into the tank 2 through the large hatch 10 in the steam room and the small hatch 11 in the waiting room, water meter 9 in the waiting room, the possibility of cleaning the water tank, furnace and chimneys of the furnace, the complete discharge of water from the convector 3 and tank 2, retractable ash pan 6, the selection of hot water in the sink and in the dressing room. The longevity of the furnace is ensured by the use of sheet steel (furnace compartment), stainless steel for the water tank and stainless pipes for the water convector, and the chimney is made of steel.

Claims (1)

Welded metal bath furnace, comprising a housing, a combustion chamber with a chimney, a heater, a water tank, a grate and a bowl for holding fuel, a fuel loading door, a retractable ash pan, a chimney, a drain valve for releasing heated water, characterized in that it has built-in tank for heating water with a water convector passing through the combustion chamber, at least two taps for taking hot water, at least two hatches for filling water with at least two sides in the steam room and in the dressing room, monitoring device beyond the water level in the water tank, the casing is equipped with legs, has a rectangular section and is divided into parts, one of which is a combustion chamber and the other is a smoke chamber, while the furnace and smoke chambers are connected by a chimney, the casing has a built-in upper and lower heater, lower heater located in the smoke chamber, the chimney is built into the smoke chamber and passes through the upper heater.

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