CN218064853U

CN218064853U - Hearth

Info

Publication number: CN218064853U
Application number: CN202222370923.9U
Authority: CN
Inventors: 李雷
Original assignee: Sinochem Huanxin Environmental Engineering Shanghai Co ltd
Current assignee: Sinochem Huanxin Environmental Engineering Shanghai Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2022-12-16
Anticipated expiration: 2032-09-06

Abstract

The utility model provides a hearth, which comprises a combustion chamber formed by refractory bricks, a cone hopper arranged below the combustion chamber and a fire grate arranged below the bottom of the cone hopper; a plurality of through holes are formed in the side wall of the conical hopper; a first air supply chamber is arranged below the grate, the grate is slidably arranged in grate guide rails arranged on the inner walls of two sides of the first air supply chamber, and a second air supply chamber is arranged at the periphery of the first air supply chamber; the igniter penetrates through the second air supply chamber and the first air supply chamber, so that the ignition end of the igniter is positioned in the first air supply chamber, and the control end of the igniter is positioned outside the second air supply chamber. The furnace chamber of the utility model adopts the fin type fire grate and the fire grate guide rail, so that the heat dissipation is fast, the coking is avoided, and the furnace chamber can be easily pulled out for cleaning and replacement; the fire grate and the first air supply chamber arranged at the bottom dry the fuel, so that the fuel is convenient to ignite; the second air supply chamber and the cone hopper are matched with each other, so that the ignited fuel is blown to boil, and the full combustion is facilitated.

Description

Hearth

Technical Field

The utility model relates to a technical field of stove especially relates to a furnace.

Background

The cast iron fire grate adopted by the traditional hearth has the problems of poor heat dissipation, easy coking, difficult cleaning, difficult replacement and the like, and secondly, in order to ensure that the fuel is boiled, the air volume of primary air is large, the air speed is high, the combustion starts to boil under the non-ignition state, the ignition point is difficult to reach, the combustion is insufficient, and the problems of backfire and the like of a feeding pipe exist.

SUMMERY OF THE UTILITY MODEL

The utility model discloses not enough to above-mentioned prior art provides a furnace, adopts fin formula grate and grate guide rail, its heat dissipation fast, not coking, easy-to-draw clearance and change, and the pan feeding pipe does not store up fuel, does not temper.

The utility model discloses a solve the not enough following technical scheme that adopts of above-mentioned technique:

providing a hearth, which comprises a combustion chamber formed by refractory bricks, a cone hopper arranged below the combustion chamber and a grate arranged below the bottom of the cone hopper; a plurality of through holes are formed in the side wall of the conical hopper; a first air supply chamber is arranged below the grate, the grate is slidably arranged in grate guide rails arranged on the inner walls of two sides of the first air supply chamber, and a second air supply chamber is arranged around the first air supply chamber; the igniter penetrates through the second air supply chamber and the first air supply chamber, so that the ignition end of the igniter is positioned in the first air supply chamber, and the control end of the igniter is positioned outside the second air supply chamber.

Further, furnace still include with the unloading pipe of combustion chamber intercommunication, the unloading pipe other end is connected to the hopper through the feeding auger.

Furthermore, the fire grate consists of a pull rod and a fire grate piece, and reinforcing ribs are welded on the fire grate piece.

Further, the cone angle of the cone bucket is 40 +/-5 degrees.

Further, the blanking pipe is arranged in an inclined mode, and the inclined angle is 40 +/-2 degrees.

Furthermore, the fire grate is a fin type fire grate and is made of stainless steel materials.

The utility model adopts the above technical scheme, compare with prior art, have following technical advantage:

the furnace chamber of the utility model adopts the finned grate and the grate guide rail, so that the heat dissipation is fast, the coking is avoided, and the furnace chamber is easy to pull out, clean and replace; the fire grate and the first air supply chamber arranged at the bottom dry the fuel, so that the fuel can be conveniently ignited; the second air supply chamber and the cone hopper are matched with each other, so that the ignited fuel is blown to boil, and the full combustion is facilitated; the blanking pipe is obliquely arranged, so that fuel is not accumulated in the blanking pipe, and the problem of tempering is avoided.

Drawings

Fig. 1 is a schematic view of the structure of the hearth of the present invention;

FIG. 2 is a schematic top view of a cone hopper in a furnace according to the present invention;

FIG. 3 is a schematic view of the structure of the cone hopper in the furnace chamber;

FIG. 4 is a schematic top view of the grate in the furnace of the present invention;

FIG. 5 is a schematic view of the grate in the furnace according to the present invention;

wherein the reference numerals are:

a hopper 1; a feeding auger 2; a blanking pipe 3; a refractory brick 4; a cone hopper 5; a second air blowing chamber 6; a grate guide rail 7; a first blowing chamber 8; a grate 9; a pull rod 91; grate segments 92; a reinforcing rib 93; an igniter 10; fuel 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 5, the present embodiment provides a hearth, which includes a combustion chamber formed by refractory bricks 4, a cone hopper 5 disposed below the combustion chamber, and a grate 9 disposed below the bottom of the cone hopper 5; a plurality of through holes are formed in the side wall of the conical hopper 5; a first air supply chamber 8 is arranged below the grate 9, the grate 9 is slidably arranged in grate guide rails 7 arranged on the inner walls of two sides of the first air supply chamber 8, and a second air supply chamber 6 is arranged on the periphery of the first air supply chamber 8; the igniter 10 passes through the second air supply chamber 6 and the first air supply chamber 8, so that the ignition end is positioned inside the first air supply chamber 8, and the control end is positioned outside the second air supply chamber 6.

In a preferred embodiment of this embodiment, the furnace further includes a discharging pipe 3 communicated with the combustion chamber, and the other end of the discharging pipe 3 is connected to the hopper 1 through a feeding auger 2.

In a preferred embodiment of the present invention, the fire grate 9 is composed of a pull rod 91 and a fire grate segment 92, and the fire grate segment 92 is welded with a reinforcing rib 93.

In a preferred embodiment of the present embodiment, the cone 5 has a taper angle of 40 ± 5 ° so that the fuel 11 is not accumulated on the cone 5 and the burnt fuel 11 is blown up.

In a preferred embodiment of the present invention, the feeding pipe 3 is disposed in an inclined manner, the inclined angle is 40 ± 2 °, so that the fuel 11 is not accumulated and is not easily tempered.

In a preferred embodiment of this embodiment, the grate 9 is a finned grate, and is made of stainless steel, so that the heat dissipation is fast and coking is avoided.

The furnace that this embodiment provided uses the process as follows:

when the device is used, fuel 11 enters from the hopper 1, enters the hearth from the discharging pipe 3 through the feeding flood dragon 2, falls onto the fire grate 9, primary air is fed into the first air supply chamber 8 below the fuel 11, the fuel 11 is dried on the fire grate 9, the igniter 10 ignites the fuel to ignite the fuel 11, the secondary air is fed into the second air supply chamber 6 through the through hole in the cone hopper 5 to boil the ignited fuel 11, and the ignited fuel 11 is fully combusted.

The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.

Claims

1. A hearth is characterized by comprising a combustion chamber formed by refractory bricks (4), a cone hopper (5) arranged below the combustion chamber, and a grate (9) arranged below the bottom of the cone hopper (5); the side wall of the cone hopper (5) is provided with a plurality of through holes; a first air supply chamber (8) is arranged below the grate (9), the grate (9) is slidably arranged in grate guide rails (7) arranged on the inner walls of two sides of the first air supply chamber (8), and a second air supply chamber (6) is arranged on the periphery of the first air supply chamber (8); the igniter (10) penetrates through the second air supply chamber (6) and the first air supply chamber (8), so that the ignition end of the igniter is positioned in the first air supply chamber (8), and the control end of the igniter is positioned outside the second air supply chamber (6).

2. The hearth according to claim 1, characterized in that the hearth further comprises a blanking pipe (3) communicated with the combustion chamber, and the other end of the blanking pipe (3) is connected to the hopper (1) through a feeding auger (2).

3. The hearth according to claim 1, characterized in that the grate (9) is composed of tie rods (91) and grate segments (92), and the grate segments (92) are welded with reinforcing ribs (93).

4. The furnace according to claim 1, characterized in that the cone angle of the cone hopper (5) is 40 ± 5 °.

5. A hearth according to claim 2, characterised in that said down-comer (3) is inclined with an angle of inclination of 40 ± 2 °.

6. The furnace according to claim 1, characterized in that the grate (9) is a finned grate made of stainless steel.