CN201555442U

CN201555442U - Reflecting furnace for smelting tin-lead materials

Info

Publication number: CN201555442U
Application number: CN2009202912177U
Authority: CN
Inventors: 陈朴; 张圣南
Original assignee: Chengzhou City Jingui Silver Co Ltd
Current assignee: Chengzhou City Jingui Silver Co Ltd
Priority date: 2009-11-25
Filing date: 2009-11-25
Publication date: 2010-08-18
Anticipated expiration: 2019-11-25

Abstract

The utility model relates to a reflecting furnace for smelting tin-lead materials, which belongs to smelting equipment. The main structure of the reflecting furnace includes a furnace chamber (1), a furnace bottom molten bath (2), a furnace wall (3) and a furnace top (4). The furnace bottom molten bath (2) is arranged below the furnace chamber (1); a low fire stopping wall (6) is arranged between a fire chamber (5) and the furnace chamber (1) inside the furnace wall; a slag tap (12) for discharging tin-lead alloys is arranged on one side wall of a furnace close to the position of a furnace tail; two working doors (13, 14) are arranged on the other side wall of the surface; a flue gas outlet (15) is arranged on the tail-portion furnace wall; a feeding inlet (16) is arranged at the furnace top (4); the arched shape of the furnace top on the low fire stopping wall (6) is in the shape of pressing down two edges; the furnace top is horizontal at the position of the furnace chamber (1); and the furnace top is slantingly pressed down towards the furnace tail when reaching the position of the furnace tail. The reflecting furnace has the advantages of high heat efficiency, rapid material melting, decreased coal consumption, 42-48% coal firing rate and low cost.

Description

The reverberatory furnace of smelting tin lead materials

Technical field

The utility model relates to the reverberatory furnace of smelting tin lead materials, belongs to smelting equipment.

Background technology

Existing 6m ²Reverberatory furnace mainly is that the lead-containing material for the serial output of melting silver designs, and fuel is diesel oil; Its pool depth is big; Stove firebreak height; Burner hearth heats up slower, and the material melted by heat is slow; So hardhead of output in the time of can not being used for the melting refining of lead bullion.

The utility model content

At defective that exists in the prior art and deficiency, the utility model is the transformation to prior art, and a kind of reverberatory furnace of smelting tin lead materials is provided; The hardhead of output when being used for the melting refining of lead bullion, smelted product is a leypewter.

The technical scheme that the utility model is taked is: a kind of reverberatory furnace of smelting tin lead materials, and primary structure is made up of burner hearth, furnace bottom molten bath, furnace wall and furnace roof; The burner hearth below is the furnace bottom molten bath, between fiery chamber in the furnace wall and the burner hearth low firebreak is arranged; The furnace bottom molten bath is to be built by laying bricks or stones and constituted by furnace shell, high aluminium brick layer, packing layer, antiarch bottom brick layer; Whole furnace bottom molten bath is supported on the furnace foundation of casting with concrete and piece stone; The furnace shell thick welded steel plate of 20mm; The thick thick asbestos board of 10mm that is is arranged in the furnace shell and between the high aluminium brick layer; Packing layer is positioned at the inboard of high aluminium brick layer, and tamping becomes antiarch shape, and the antiarch gradient 8% is built antiarch bottom brick layer by laying bricks or stones on it; Described furnace wall is opened a slag tap of discharging leypewter at stove one side wall by stove tail place, and this mouthful position is at the nadir in furnace bottom molten bath; Another side wall of stove is offered two cleaning doors, and the afterbody furnace wall is offered an exhanst gas outlet, is connected with flue; Described furnace roof is built by high-alumina brick is brick; A charge door is arranged on the furnace roof, and the position of charge door is in the center of burner hearth by limit, fiery chamber 1/3; The arch shape of the furnace roof on low firebreak is to be toward both sides to press down shape, to the position of burner hearth, and the furnace roof level, to stove tail position, furnace roof tilts to press down to the stove tail.

Compared with the prior art, the arch shape that the shape of the utility model furnace roof makes the furnace roof on firebreak is to be toward both sides to press down shape, to the position of burner hearth, the furnace roof level, to stove tail position, furnace roof tilts to press down to the stove tail, and this kind top construction mainly is to be used for firepower is pressed to the molten bath, material fully is subjected to radiation of heat, improve the thermal efficiency, material melting is fast, and coal consumption reduces, coal consumption rate is 42-48%, and cost reduces.The utility model furnace bottom molten bath is built by laying bricks or stones and is constituted by furnace shell, high aluminium brick layer, packing layer, antiarch bottom brick layer, and pool depth is shallow than the plumbous dross reverberatory furnace of the melting of prior art, and the burner hearth head room is low, good heat radiation effect in the stove, and material is heated soon, and fusing is soon; In addition, the firebreak of the utility model stove low than the plumbous dross reverberatory furnace of melting; The burner hearth quick heating, melting cycle is short, and every heat only needs 8-10 hour; The siege ability can reach 42-48t/m ².d; The utility model metal direct yield height, direct yield can reach 82-88%.

Description of drawings

Fig. 1 is a structural front view of the present utility model;

Fig. 2 is a structure right view of the present utility model;

Fig. 3 is a structure vertical view of the present utility model.

In the accompanying drawing: 1 burner hearth; 2 furnace bottom molten baths; 3 furnace walls; 4 furnace roofs; Fiery chambers 5; 6 low firebreaks; 7 furnace shells; 8 high aluminium brick layers; 9 packing layers; 10 antiarch bottom brick layers; 11 asbestos boards; 12 slag tap; 13 cleaning doors; 14 cleaning doors; 15 exhanst gas outlets; 16 charge doors.

The specific embodiment

Below in conjunction with embodiment shown in the drawings, the utility model is described in further detail:

With reference to Fig. 1,2 and 3, a kind of reverberatory furnace of smelting tin lead materials, primary structure is made up of burner hearth 1, furnace bottom molten bath 2, furnace wall 3 and furnace roof 4; Burner hearth 1 below is furnace bottom molten bath 2, between fiery chamber 5 in the furnace wall and the burner hearth 1 low firebreak 6 is arranged; Furnace bottom molten bath 2 is to be built by laying bricks or stones and constituted by furnace shell 7, high aluminium brick layer 8, packing layer 9, antiarch bottom brick layer 10; Whole furnace bottom molten bath 2 is supported on the furnace foundation of casting with concrete and piece stone; The high 1.0m of side around the furnace shell 7 is with the thick welded steel plate of 20mm, in case high-temperature liquid state leypewter seepage; The thick thick asbestos board 11 of 10mm that is is arranged in the furnace shell and between the high aluminium brick layer 8; High aluminium brick layer 8 high 200mm; Packing layer 9 is positioned at the inboard of high aluminium brick layer 8, and tamping becomes antiarch shape, the antiarch gradient 8%, and packing layer 9 is thick to be 120-250mm; Build antiarch bottom brick layer 10 on it by laying bricks or stones; Antiarch bottom brick material is a chromium and magnesium brick, by 300 * 150 * 65, two kinds of brick building of 300 * 150 * 55/65mm; Described furnace wall 3 is thick to be 460mm, and the following inside jamb block material of slag line is a chromium and magnesium brick, and other furnace wall material high-alumina brick is built by 230 * 114 * 65mm is brick; Open a slag tap 12 of discharging leypewter at stove one side wall by stove tail 1370mm place, this mouthful position is at the nadir in furnace bottom molten bath 2; Another side wall of stove is offered cleaning door 13 and cleaning door 14, is of a size of 300 * 260mm; The position that two cleaning doors are offered will be convenient to stir the operation of furnace charge and observe the working of a furnace, should leak out less during work, influences furnace temperature in the stove to prevent that cold air from entering; The afterbody furnace wall is offered an exhanst gas outlet 15, is connected with flue; Exhanst gas outlet 15 is of a size of 800 * 360mm; Described furnace roof 4 is by 300 * 150 * 65 and two kinds of brick building of high-alumina brick of 300 * 150 * 55mm; Encircleing thick is 300mm, and sagitta 250mm, vault central angle are 58 degree; A charge door 16 is arranged on the furnace roof 4, be of a size of Φ 360mm, the position of charge door 16 is in the center of burner hearth 1 by 5 limits 1/3, fiery chamber; The furnace roof arch springing is made column by the channel-section steel of stove dual-side again and is reinforced with the supporting of 20# channel-section steel; It is different that the shape of vault and common reflection furnace roof obviously have, and the arch shape of the furnace roof on low firebreak 6 is to be toward both sides to press down shape, to the position of burner hearth 1, and the furnace roof level, to stove tail position, furnace roof tilts to press down to the stove tail.

The relevant parameter of present embodiment is:

1. hearth area: 6m ²

2. stove length-width ratio: 1.80;

3. furnace height: 1105mm;

4. pool depth: 360mm wherein;

5. burner hearth head room: 800mm;

6. exhanst gas outlet area: 0.29m ²

7. fiery chamber area: 2.05m ²

Claims

1. the reverberatory furnace of a smelting tin lead materials, primary structure is made up of burner hearth (1), furnace bottom molten bath (2), furnace wall (3) and furnace roof (4); Burner hearth (1) below is furnace bottom molten bath (2), between fiery chamber (5) in the furnace wall and the burner hearth (1) low firebreak (6) is arranged; It is characterized in that: furnace bottom molten bath (2) are to build formation by laying bricks or stones by furnace shell (7), high aluminium brick layer (8), packing layer (9), antiarch bottom brick layer (10); Whole furnace bottom molten bath (2) is supported on the furnace foundation of casting with concrete and piece stone; Furnace shell (7) the thick welded steel plate of 20mm; The thick thick asbestos board (11) of 10mm that is is arranged in the furnace shell (7) and between the high aluminium brick layer (8); Packing layer (9) is positioned at the inboard of high aluminium brick layer (8), and tamping becomes antiarch shape, and the antiarch gradient 8% is built antiarch bottom brick layer (10) by laying bricks or stones on it; Described furnace wall (3) is opened a slag tap (12) of discharging leypewter at stove one side wall by stove tail place, and this mouthful position is at the nadir of furnace bottom molten bath (2); Another side wall of stove is offered two cleaning doors (13,14), and the afterbody furnace wall is offered an exhanst gas outlet (15), is connected with flue; Described furnace roof (4) is built by high-alumina brick is brick; A charge door (16) is arranged on the furnace roof (4), and the position of charge door (16) is in the center of burner hearth (1) by limit, fiery chamber (5) 1/3; The arch shape of the furnace roof on low firebreak (6) is to be toward both sides to press down shape, to the position of burner hearth (1), furnace roof level; To stove tail position, furnace roof tilts to press down to the stove tail.