RU35870U1 - Fireplace stove - Google Patents

Description

The inventive utility model relates to heat generators of low power and is intended for use in everyday life, in particular in household solid fuel heat generators for air heating.

A known furnace containing a furnace with a flat upper wall used for cooking and a hollow body, inside which is located covering the furnace flue for removing flue gases from the furnace into the chimney (US patent No. 4171908, class CL F24B 7/00, 1979)

In this design, the flue gases before going into the chimney pass through the flue, heating the inner walls of the furnace and contributing to the gasification of the fuel and its efficient combustion, as well as the outer walls, which then transfer this heat to the room. At the same time, the upper wall of the furnace is used simultaneously for cooking.

The disadvantage of the furnace is the low efficiency of heating the top wall of the furnace body used for cooking, since in this design flue gases from the furnace are not supplied directly to

MP K 7: F24B 1/18 FURNACE-FIREPLACE

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the upper wall of the furnace body, and only after passing before this some path along the gas duct around the furnace and at the same time transferring part of its heat to the fuel and through other walls of the furnace body into the heated room.

The closest analogue of the claimed utility model in technical essence is a fireplace stove, which includes a firebox made in the form of a body with double side and ceiling walls, a casing, a door, shutters of a furnace and a casing, a smoke pipe, a damper located in the lower ceiling wall, a pipe, communicating the cavity between the casing and the rear wall of the housing with the combustion chamber, and the frying pipe located in the combustion chamber on the rear wall of the housing. At the same time, holes are provided in the inner side walls connecting the lateral inter-wall channels with the frying pipe (RF certificate No. 1731, m.klR24V 1/18, 1996).

The disadvantage of this fireplace stove is its low efficiency due to the location in the immediate vicinity of the nozzle to the frying pipe and the small length of the heat flow, in which a significant part of the thermal energy is lost to the environment.

The task to which the claimed utility model is directed is to increase efficiency.

with double side and ceiling walls, a casing, a door, shutters of a furnace and a casing, a smoke pipe, a damper located in the lower ceiling wall of the casing, two pipes communicating the cavity between the casing and the rear wall of the casing with the combustion chamber, made in the form of an ejector and placed in the area of the holes provided in the inner side walls of the housing for connecting the lateral inter-wall channels with the combustion chamber, a transverse partition located in the combustion chamber indented from the ceiling wall, and in the inner sides On the walls, holes were selected that connect the lateral between the wall channels with the ceiling sinus.

Distinctive features from the prototype (the closest analogue) are the essential features of the claimed utility model - the furnace is equipped with an additional nozzle, each of the nozzles is made in the form of an ejector and placed in the hole zone, the furnace is equipped with a transverse partition located in the combustion chamber indented from the ceiling wall and in the inner side additional holes were selected on the walls, connecting the lateral inter-wall channels with the ceiling sinus.

To prevent soot settling on the inner surface of the door glass, a slit hole was made in the lower ceiling wall of the case, parallel to the door alignment and connecting the ceiling sinus to the combustion chamber, and in the ceiling sinus in the zone

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additional holes mounted partitions at an angle to the alignment of the door.

The utility model is illustrated by drawings, where figure 1 schematically shows the proposed device in the ignition mode, a longitudinal section; Fig.2 is the same in operating mode; in Fig.Z - section aa in Fig.2; figure 4 is a section bB in Fig.Z.

The fireplace stove contains a firebox in the form of a housing 1 with double side and ceiling walls, a casing 2, a door 3 and a smoke

branch pipe 4. At the bottom of the door 3 there are blinds 5 of the furnace, and under the doors there are blinds 6 of the casing. A shutter 7 is located in the lower ceiling wall of the housing 1. Holes 8 are provided in the inner side walls connecting the lateral wall channels to the combustion chamber 9. In the area of the openings 8, nozzles 10 are made in the form of an ejector and communicating the cavity between the housing 2 and the rear wall of the housing 1 with the combustion chamber 9. The furnace is equipped with a transverse partition 11 located in the combustion chamber 9 indented from the ceiling wall. In the inner side walls, additional openings 12 are selected, connecting the lateral inter-wall channels with the ceiling sinus. A slit hole 13 is made in the lower ceiling wall of the housing 1 parallel to the alignment of the door 3, connecting the ceiling sinus to the combustion chamber 9. In the area of the additional openings 11, vertical partitions 14 are installed at an angle to the alignment of the door 3.

The furnace operates as follows.

The fuel loaded into the furnace through the door 3 burns, and the resulting products of combustion and gasification of fuel in the ignition mode are removed into the smoke pipe 4. With the shutter 7 closed (operating mode), the combustion products are burned in the jets of the casing 2 entering the furnace through the blinds 6 and the ejectors 10 of the secondary air through the hole 8, enter the lateral inter-wall channels and through the additional holes 12 into the ceiling sinus. Having walked along its horizontal section, they are removed into the nozzle 4. When opening the door 3 of the furnace in operating mode and when firing up, the slot hole 13, connecting the ceiling bosom to the combustion chamber, by means of vertical partitions facilitates ignition and protects from the release of flue gases into the heated room, and the glass of the door 3 is free of soot. The air heated in the cavity between the casing 2 and the rear wall of the housing 1 heats the upper wall of the casing 2 and the heated room exits through the openings 15.

Thus, the proposed furnace has a higher efficiency and ensures the economical use of fuel.

Claims (2)

1. A fireplace stove containing a firebox made in the form of a casing with double side and ceiling walls, a casing, a door, shutters of the furnace and casing, a smoke pipe, a damper located in the lower ceiling wall of the casing, and a pipe communicating the cavity between the casing and the back the wall of the housing with the combustion chamber, while in the inner side walls there are holes connecting the lateral inter-wall channels with the combustion chamber, characterized in that it is equipped with an additional pipe, each of the pipes being made in the form of an ejection pa and is situated in area of the opening, and the insert is equipped with a transverse partition situated in the combustion chamber with a space from the ceiling wall, wherein in the inner side walls of selected additional apertures connecting the channels with lateral mezhdustennye ceiling plenum. 2. The fireplace stove according to claim 1, characterized in that a slit hole is made in the lower ceiling wall of the housing parallel to the door alignment and connecting the ceiling sinus to the combustion chamber, and vertical partitions are installed in the ceiling sinus in the area of the additional holes at an angle to the door alignment .