CN206207998U - Oxygen enriched molten bath smelting furnace - Google Patents
Oxygen enriched molten bath smelting furnace Download PDFInfo
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- CN206207998U CN206207998U CN201621134371.XU CN201621134371U CN206207998U CN 206207998 U CN206207998 U CN 206207998U CN 201621134371 U CN201621134371 U CN 201621134371U CN 206207998 U CN206207998 U CN 206207998U
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Abstract
The utility model discloses a kind of oxygen enriched molten bath smelting furnace, including the body of heater with furnace chamber（1）, the body of heater（1）Including top furnace wall（101）, bottom furnace wall（102）And furnace bottom（103）, the top furnace wall（101）It is stove outer covering steel plate, the bottom furnace wall（102）It is the cooling jacket of hollow structure, the bottom furnace wall（102）Inner side be provided with U-shaped refractory concrete liner（2）, the top furnace wall（101）Inner side built high-alumina brick thermal insulation layer by laying bricks or stones（3）, body of heater（1）Furnace chamber in the refractory concrete liner（2）With high-alumina brick thermal insulation layer（3）Inner side built magnesite-chrome brick thermal insulation layer by laying bricks or stones（4）.The oxygen enriched molten bath smelting furnace is molten can to prevent melt leakage, protection cooling jacket, energy-conserving and environment-protective.
Description
Technical field
The utility model is related to technical field of metallurgical equipment, more particularly to a kind of oxygen enriched molten bath smelting furnace.
Background technology
Oxygen enriched molten bath smelting furnace mainly for the treatment of various non-ferrous metal materials, such as cupric, lead, zinc, nickel, tin, bismuth, indium and
The material of gold and silver.
Existing bath smelting furnace typically using up and down be entirely water jacket structure, and its liner simply use mostly it is resistance to
Firebrick, what is had even direct contacts water jacket with high-temperature fusant.Such bath smelting furnace is primarily present following two aspects
Problem：（1）Refractory brick is only set in smelting furnace, refractory brick is easily etched after long-time high melt, causes water jacket to hold
It is fragile, and melt in body of heater is susceptible to seepage；（2）Bath smelting furnace is up and down all using the structure of water jacket, water consumption
Greatly, and body of heater by water jacket cooling energy loss it is big.
Utility model content
Technical problem to be solved in the utility model is to overcome the shortcomings of to be mentioned and defect in background above technology, is carried
For a kind of oxygen enriched molten bath smelting furnace for preventing melt leakage, protecting cooling jacket, energy-conserving and environment-protective.
In order to solve the above technical problems, the utility model proposes technical scheme be：
A kind of oxygen enriched molten bath smelting furnace, including the body of heater with furnace chamber, the body of heater include top furnace wall, bottom furnace wall and
Furnace bottom, the top furnace wall is stove outer covering steel plate, and the bottom furnace wall is the cooling jacket of hollow structure, the bottom furnace wall
Inner side is provided with U-shaped refractory concrete liner, high-alumina brick thermal insulation layer has been built on the inside of the top furnace wall by laying bricks or stones, in the furnace chamber of body of heater
Magnesite-chrome brick thermal insulation layer has been built by laying bricks or stones on the inside of the refractory concrete liner and high-alumina brick thermal insulation layer.
As the further improvement to above-mentioned technical proposal：
Preferably, the refractory concrete liner is the refractory concrete of 1500-1800 DEG C of refractoriness, in refractory concrete
The thickness of lining is 80-300mm.
Preferably, the furnace bottom of the body of heater is the high-alumina brick bed course or clay brick bed course built by laying bricks or stones.
Preferably, high alumina brick masonry of the high-alumina brick thermal insulation layer by refractoriness for 1000-1500 DEG C is formed, the magnesium chromium
Brick thermal insulation layer is built by laying bricks or stones by the magnesite-chrome brick that refractoriness is 1500-1800 DEG C and is formed.
Preferably, multiple being used for oxygen enriched molten bath melting furnace bottom penetrating is installed on the bottom furnace wall of the body of heater
The oxygen rifle of oxygen rich gas, the downward-sloping setting of oxygen rifle.
Preferably, the quantity of the oxygen rifle is 4-36, and multiple oxygen rifles are evenly arranged along the body of heater ring.
Preferably, the oxygen rifle and the vertical axis of the body of heater are in 30 ° of an inclination angle, 90 ° of ＜ α ＜.
Preferably, oxygen air mixing device is installed, the oxygen enriched molten bath smelting furnace also connects on the pipeline of the oxygen rifle
It is connected to a Distributed Control System for being mainly used in adjusting oxygen rich gas oxygen concentration and in-furnace temperature.
Preferably, the furnace chamber of the body of heater is smelting zone at the bottom furnace wall, and furnace chamber is at the top furnace wall
Intermediate zone, the height of the smelting zone is 2-6 meters, and the height of intermediate zone is 3-12 meters.
Preferably, the air port sectional area of the oxygen enriched molten bath smelting furnace is 3-15m2, bell is provided with the top of the body of heater,
The bell is provided with charge door and goes straight up to flue.
Compared with prior art, the utility model has the advantage of：
（1）U-shaped refractory concrete liner is set by the inner side in bottom furnace wall, high alumina is built by laying bricks or stones on the inside of the furnace wall of top
Brick thermal insulation layer, magnesite-chrome brick thermal insulation layer is built by laying bricks or stones in the furnace chamber of body of heater on the inside of refractory concrete liner and high-alumina brick thermal insulation layer,
Wherein, refractory concrete liner and magnesite-chrome brick thermal insulation layer can provide protection for cooling jacket, prevent magnesite-chrome brick thermal insulation layer to be etched
The situation of the melt leakage in rear furnace body occurs, and is effectively reduced heat loss, reduces the consumption of cooling water, more energy-conservation.
（2）Oxygen enriched molten bath smelting furnace of the present utility model uses Distributed Control System（DCS）In dispensing, stove to smelting furnace
Temperature, discharge quantity and oxygen rifle parameter etc. are monitored, and mechanical automation degree is high, are effectively reduced the quantity and drop of staff
Low intensity of workers.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are these
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model oxygen enriched molten bath smelting furnace.
Marginal data：
1st, body of heater；2nd, refractory concrete liner；3rd, high-alumina brick thermal insulation layer；4th, magnesite-chrome brick thermal insulation layer；5th, oxygen rifle；6th, melting
Area；7th, intermediate zone；8th, charge door；9th, flue is gone straight up to；101st, top furnace wall；102nd, bottom furnace wall；103rd, furnace bottom；104th, stove
Lid.
Specific embodiment
For the ease of understanding the utility model, below in conjunction with Figure of description and preferred embodiment to the utility model
Work more comprehensively, is meticulously described, but protection domain of the present utility model is not limited to embodiment in detail below.
It should be strongly noted that when a certain element, to be described as " be fixed on, be fixed in, be connected to or be communicated in " another
When on element, it can be that directly fixed, affixed, connection or connection connect on another element, or by the middle of other
Fitting is indirectly fixed, affixed, connection or connection are on another element.
Unless otherwise defined, the implication that all technical terms used hereinafter are generally understood that with those skilled in the art
It is identical.Technical term used herein is intended merely to describe the purpose of specific embodiment, is not intended to limit this practicality
New protection domain.
Embodiment
A kind of embodiment of the utility model oxygen enriched molten bath smelting furnace, the oxygen enriched molten bath smelting furnace is mainly for the treatment of various
Non-ferrous metal material, such as cupric, lead, zinc, nickel, tin, bismuth, the material of indium and gold and silver, by process reclaim copper therein, lead, zinc,
The rare precious metal such as the non-ferrous metals such as tin, bismuth, nickel and Au Ag Pt Pd, meanwhile, the oxygen enriched molten bath smelting furnace can be used as melting
Stove is alternatively arranged as reduction furnace and uses.The structure of the oxygen enriched molten bath smelting furnace is as shown in figure 1, as seen from Figure 1, it mainly includes body of heater
1, the vertical cross-section of the body of heater 1 is have furnace chamber in rectangle or circle, body of heater 1, and the top of body of heater 1 is provided with bell 104, bell
104 are provided with charge door 8 and go straight up to flue 9.The furnace wall of body of heater 1 is divided into two parts, respectively top furnace wall 101 and bottom furnace wall
102.Wherein, top furnace wall 101 is the stove outer covering being made up of steel plate, and bottom furnace wall 102 is the cooling jacket of hollow structure.Under
The inner side of portion furnace wall 102 is provided with the refractory concrete liner 2 of U-shaped, and it is heat-insulated to have built high-alumina brick by laying bricks or stones in the inner side of top furnace wall 101
Layer 3, magnesite-chrome brick thermal insulation layer 4 has been built by laying bricks or stones in the furnace chamber of body of heater 1 in the inner side of refractory concrete liner 2 and high-alumina brick thermal insulation layer 3.
The lower section of bottom furnace wall 102 is provided with furnace bottom 103, and the furnace bottom 103 is the high-alumina brick bed course or clay brick bed course built by laying bricks or stones, furnace bottom
103 are provided with out metal mouthful and slag notch（Not shown in figure）.U-shaped refractory concrete is set by the inner side in bottom furnace wall 102
Native liner 2, high-alumina brick thermal insulation layer 3 is built by laying bricks or stones in the inner side of top furnace wall 101, in refractory concrete liner 2 in the furnace chamber of body of heater 1
Magnesite-chrome brick thermal insulation layer 4 is built by laying bricks or stones with the inner side of high-alumina brick thermal insulation layer 3, wherein, refractory concrete liner 2 and magnesite-chrome brick thermal insulation layer 4 can
For cooling jacket provides protection, prevent the situation of the melt leakage that magnesite-chrome brick thermal insulation layer is etched in rear furnace body from occurring, and can have
Effect reduces heat loss, reduces the consumption of cooling water, more energy-conservation.
The high-alumina brick thermal insulation layer 3 preferably uses refractoriness to be formed for 1000-1500 DEG C of high alumina brick masonry, and magnesite-chrome brick every
Thermosphere 4 then preferably uses refractoriness to build by laying bricks or stones to be formed for 1500-1800 DEG C of magnesite-chrome brick, and the upper temp of oxygen enriched molten bath smelting furnace is low
In temperature of lower, so the refractoriness requirement to top is lower, its refractoriness is 1000-1500 DEG C, and bottom then requires
Refractoriness is 1500-1800 DEG C；Refractory concrete liner 2 preferably uses refractoriness for 1500-1800 DEG C of refractory concrete, resistance to
The thickness of fiery concrete lining 2 is preferably 80-300mm, so, it can be ensured that effect of heat insulation and antiseep effect.
In the present embodiment, it is provided with the bottom furnace wall 102 of body of heater 1 multiple for being sprayed to the bottom of oxygen enriched molten bath smelting furnace
Enter the oxygen rifle 5 of oxygen rich gas, and the downward-sloping setting of oxygen rifle 5, oxygen rifle 5 is in 30 ° of inclination angle ＜ with the vertical axis of body of heater 1
90 ° of α ＜.The quantity of oxygen rifle 5 is preferably 4-36, and multiple oxygen rifles 5 are evenly arranged along the ring of body of heater 1.By oxygen rifle 5 to having filled
The bottom of the oxygen enriched molten bath smelting furnace of non-ferrous metal material is passed through oxygen rich gas, you can carry out melting to non-ferrous metal material.Using
The layout of above-mentioned oxygen rifle 5 sets and can improve smelting intensity, material burning in stove more fully, is effectively improved Smelting Effect.
Oxygen air mixing device is installed on the pipeline of oxygen rifle 5（Not shown in figure）, the oxygen enriched molten bath smelting furnace is also
It is connected with a Distributed Control System（Not shown in figure）, the Distributed Control System be used for the dispensing of smelting furnace, in-furnace temperature,
Discharge quantity, oxygen rifle parameter etc. are monitored, adjusted in time, and Backup Data, improve the machine of the oxygen enriched molten bath smelting furnace
Tool automaticity, the quantity that staff can be reduced and the labour intensity for reducing staff.By the Distributed Control System
The oxygen concentration of oxygen rich gas is controlled in 21%-50%, and by the temperature control of metalliferous material melt in stove in 1000-1350
In the range of DEG C, the material difference according to melting can be selected within this range.
In the present embodiment, the furnace chamber of body of heater 1 is smelting zone 6 at bottom furnace wall 102, and furnace chamber is at top furnace wall 101
Intermediate zone 7.The height of the smelting zone 6 and intermediate zone 7 can be carried out according to the species of the metalliferous material for needing melting and amount
Selection, the preferably height h1 of smelting zone 6 is 2-6 meters, and the height h2 of intermediate zone 7 is 3-12 meters.The oxygen enriched molten bath smelting furnace
Air port sectional area be preferably 3-15m2。
Oxygen enriched molten bath smelting furnace of the present utility model it is applied widely, can both process sulfur-bearing material high, can also locate
Reason sulfur-bearing is low or material of not sulfur-bearing, can both process primary ore, and secondary material and electronic waste can be processed again.To
The material added in the oxygen enriched molten bath smelting furnace can be powdery, granular or small bulk, eliminate the ball processed of traditional smelting furnace
Group or brickmaking operation.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of oxygen enriched molten bath smelting furnace, including the body of heater with furnace chamber（1）, it is characterised in that：The body of heater（1）Including top
Furnace wall（101）, bottom furnace wall（102）And furnace bottom（103）, the top furnace wall（101）It is stove outer covering steel plate, the bottom furnace wall
（102）It is the cooling jacket of hollow structure, the bottom furnace wall（102）Inner side be provided with U-shaped refractory concrete liner（2）,
The top furnace wall（101）Inner side built high-alumina brick thermal insulation layer by laying bricks or stones（3）, body of heater（1）Furnace chamber in the refractory concrete
Liner（2）With high-alumina brick thermal insulation layer（3）Inner side built magnesite-chrome brick thermal insulation layer by laying bricks or stones（4）.
2. oxygen enriched molten bath smelting furnace according to claim 1, it is characterised in that：The refractory concrete liner（2）For resistance to
The refractory concrete of 1500-1800 DEG C of fiery degree, refractory concrete liner（2）Thickness be 80-300mm.
3. oxygen enriched molten bath smelting furnace according to claim 1, it is characterised in that：The body of heater（1）Furnace bottom（103）To build
The high-alumina brick bed course or clay brick bed course built.
4. oxygen enriched molten bath smelting furnace according to claim 1, it is characterised in that：The high-alumina brick thermal insulation layer（3）By fire resisting
The high alumina brick masonry spent for 1000-1500 DEG C is formed, the magnesite-chrome brick thermal insulation layer（4）By the magnesium that refractoriness is 1500-1800 DEG C
Chrome brick builds by laying bricks or stones to be formed.
5. oxygen enriched molten bath smelting furnace according to claim 1, it is characterised in that：The body of heater（1）Bottom furnace wall（102）
On multiple oxygen rifles for spraying into oxygen rich gas to the oxygen enriched molten bath melting furnace bottom are installed（5）, the oxygen rifle（5）Downwards
It is obliquely installed.
6. oxygen enriched molten bath smelting furnace according to claim 5, it is characterised in that：The oxygen rifle（5）Quantity be 4-36,
Multiple oxygen rifles（5）Along the body of heater（1）Ring is evenly arranged.
7. oxygen enriched molten bath smelting furnace according to claim 5, it is characterised in that：The oxygen rifle（5）With the body of heater（1）'s
Vertical axis are in 30 ° of an inclination angle, 90 ° of ＜ α ＜.
8. oxygen enriched molten bath smelting furnace according to claim 5, it is characterised in that：The oxygen rifle（5）Pipeline on be provided with
Oxygen air mixing device, the oxygen enriched molten bath smelting furnace be also associated with one be mainly used in regulation oxygen rich gas oxygen concentration and
The Distributed Control System of in-furnace temperature.
9. oxygen enriched molten bath smelting furnace according to claim 1, it is characterised in that：The body of heater（1）Furnace chamber under described
Portion furnace wall（102）It is smelting zone to locate（6）, furnace chamber is in the top furnace wall（101）It is intermediate zone to locate（7）, the smelting zone
（6）Height be 2-6 meters, intermediate zone（7）Height be 3-12 meters.
10. the oxygen enriched molten bath smelting furnace according to any one of claim 1-9, it is characterised in that：The oxygen enriched molten bath melts
The air port sectional area of furnace is 3-15m2, the body of heater（1）Top be provided with bell（104）, the bell（104）It is provided with and adds
Material mouth（8）With go straight up to flue（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621134371.XU CN206207998U (en) | 2016-10-19 | 2016-10-19 | Oxygen enriched molten bath smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621134371.XU CN206207998U (en) | 2016-10-19 | 2016-10-19 | Oxygen enriched molten bath smelting furnace |
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| Publication Number | Publication Date |
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| CN206207998U true CN206207998U (en) | 2017-05-31 |
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ID=58758658
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| CN201621134371.XU Active CN206207998U (en) | 2016-10-19 | 2016-10-19 | Oxygen enriched molten bath smelting furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382817A (en) * | 2016-10-19 | 2017-02-08 | 湖南中大联合创新科技发展有限公司 | Oxygen-enriched molten pool melting furnace |
-
2016
- 2016-10-19 CN CN201621134371.XU patent/CN206207998U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382817A (en) * | 2016-10-19 | 2017-02-08 | 湖南中大联合创新科技发展有限公司 | Oxygen-enriched molten pool melting furnace |
| CN106382817B (en) * | 2016-10-19 | 2019-02-15 | 湖南中大联合创新科技发展有限公司 | Oxygen enriched molten bath smelting furnace |
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