RU102757U1 - WATER-HEATING FURNACE FOR AUTONOMOUS HEAT SUPPLY OF “NORTH” BUILDINGS - Google Patents

Abstract

 An autonomous heat supply water heating furnace designed to heat the coolant, characterized in that it is welded from steel, has double walls, a firebox containing a grate of a cooled structure that simultaneously functions as a grate and a heat exchanger, and a hob, as well as a cooled zigzag flue that produces the maximum effective heat exchange between the heat carrier and incandescent products of fuel combustion, the flow of which is regulated by a valve having a loose overlap of the section ha ohoda.

Description

The utility model relates to devices for burning solid, and when equipped with burners and gaseous fuels. Designed for heating coolant and autonomous heating of industrial and residential premises. Objective: increasing the completeness of fuel combustion, increasing the efficiency and thermal power of the furnace while minimizing its metal consumption.

This utility model is based on the invention of CROC (application No. 2006146761 author Koltsov Yu.V.)

Known furnace containing a furnace with a combustion zone located in the lower part, blown, hot water elements installed with the possibility of interaction of gaseous products of combustion with their heating surfaces, and a chimney (I. S. Podgorodnikov. Household stoves M .: Kolos, 1992, p. 125-134, fig. 62).

The disadvantage of this furnace is cumbersome, low efficiency.

Also known is a furnace containing a furnace with grate, blown and a water heating unit, including a water-filled cavity, the heating surface of which is installed with the possibility of interaction of gaseous products of combustion, and a chimney (Album of heating and domestic stoves. 4.1. Heating furnaces, M .: Gosstroyizdat, 1961 sheet 86).

The disadvantage is the insufficient efficiency of fuel combustion, leading to its incomplete combustion and release of unburned combustion products (soot) into the atmosphere and the bulkiness of the entire furnace structure.

The NORTH furnace is new in the field of heat engineering, as The main difference from analogues is that the firebox is equipped with a grate of a cooled structure, which performs not only the grate, but also the functions of a powerful heat exchanger, i.e. the mass of solid fuel heated to 1000 ° C lies directly on the surface of the grate, in which the coolant circulating with the “water jacket” of the furnace circulates, and the heating efficiency of the coolant depends on the mass of the heated solid fuel loaded in the furnace, the power of the furnace as a whole depends on the area the entire grate. And the final technical result consists in efficient heating of the coolant without active mixing of the burning fuel mass - soot emissions are reduced, fuel efficiency is increased, fuel consumption is reduced, which affects the ecology - emissions of unburned products are reduced in the atmosphere and the range of used fuel from traditional coals of all grades is significantly expanded, firewood, when equipped with natural gas burners, to non-traditional ones - peat, wood processing waste. all kinds of combustible garbage. When used in heating residential premises, the furnace is equipped with a cooktop cast iron - energy is saved, i.e. By heating the room, you can prepare food. The zigzag flue allows maximum heat exchange of the coolant with the combustion products of the fuel.

The entire furnace design is made of rolled steel with a thickness of 3-4 (mm) with double walls; the furnace box and the gas duct have a shell - a housing between which a coolant circulates, cooling the design of the gas duct, furnace, and the grate of the cooling structure as a whole. The design of the furnace is equipped with a throttle control valve located at the outlet of the gas duct, which has a loose overlap in the gas duct cross section, which helps to reduce the fuel burning rate, while carbon monoxide poisoning in the room is reduced to zero.

A comparison of the features of the claimed solutions with the features of the prototype and analogues indicates its compliance with the criterion of "novelty."

Features an all-welded furnace made of rolled steel, with a grate of a cooled structure welded into the furnace space, the cavity of which communicates with the cavity of the furnace as a whole, i.e. the coolant circulates in the grate and the cavity of the furnace at the same time, and the zigzag duct (contributes to better heat transfer) between the coolant and the hot gases (combustion products), the option of equipping the stove with a cast iron stove, ultimately saves energy (fuel) when heating residential premises.

The claimed device operates as follows:

When buying a cooled coolant through the inlet pipe located at the lower point of the “water jacket” of the furnace, it is distributed through the pipes of the grate.

When burning fuel, the heating chamber, the grate of the cooled structure, the walls of the zigzag gas duct are heated, and there is intense heat exchange with the heat carrier circulating in the grate of the cooled structure, and the “water jacket” of the furnace — the heat carrier density decreases and it moves in the “water” cavity shirts ”upward relative to the gravity of the earth to the outlet nozzle of the furnace connected to the pipeline of the heating system. And the draft control damper allows you to adjust the burning rate of the fuel in a wide range, from smoldering to active.

Sufficient simplicity and low metal consumption with high efficiency make this utility model one of the most popular for use.

DESCRIPTION OF THE DRAWINGS OF THE POSITION

1. Furnace body

2. Firebox

3. Zigzag flue

4. The cooled registers (pipes)

5. Fire door

6. The inlet pipe of the furnace connected to the return pipe of the heating system

7. Gas burner

8. Ashpit

9. Outlet pipe of the furnace connected to the supply pipe of the heating system

10. Draft control damper

11. Chimney

12. Well cleaning door

13. Water jacket oven

14. A well for collecting soot and ashes

15. The grate of the cooling structure made over the entire area, and welded into the lower part of the furnace

16. The movement of the coolant when it is heated by the energy of a burning fuel

17. The angle of installation of the CROC in the furnace relative to the LEVEL surface determines the natural movement of the coolant when it is heated. It is determined by LEVEL - a device for changing small tilt angles.

18. Cast iron hob

19. Throttle stroke limiter

20. A structural structural element that prevents deformation of the furnace structure by the pressure of the water column of the heating system

21. The movement of incandescent products of combustion of fuel in a cooled flue of a zigzag configuration

Water-heating stove for heating residential premises up to 120 sq.m.

figure 1 oven. front view

figure 2 oven. view from above

figure 3 oven. side view

figure 4 section of the furnace. indicated in FIG. 2 as (AA)

5 is a cross section of the furnace. designated in FIG. 2 as (BB)

Fig.6 section of the furnace. designated in FIG. 3 as (BB)

Water-heating furnace for heating industrial premises up to 1000 sq.m ;.

Fig.7 oven, side view

Fig.8 oven, front view

Fig.9 cross section of the furnace, indicated in Fig.7 as (G-D)

figure 10 section of the furnace, indicated in figure 8 as (DD)

Claims (1)

An autonomous heat supply water heating furnace designed to heat the coolant, characterized in that it is welded from steel, has double walls, a firebox containing a grate of a cooled structure that simultaneously functions as a grate and a heat exchanger, and a hob, as well as a cooled zigzag flue that produces the maximum effective heat exchange between the heat carrier and incandescent products of fuel combustion, the flow of which is regulated by a valve having a loose overlap of the section ha ohoda.