CN111349792A - Novel lead smelting batching control process - Google Patents
Novel lead smelting batching control process Download PDFInfo
- Publication number
- CN111349792A CN111349792A CN202010343867.2A CN202010343867A CN111349792A CN 111349792 A CN111349792 A CN 111349792A CN 202010343867 A CN202010343867 A CN 202010343867A CN 111349792 A CN111349792 A CN 111349792A
- Authority
- CN
- China
- Prior art keywords
- lead
- content
- input
- preset
- real
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B13/00—Obtaining lead
- C22B13/02—Obtaining lead by dry processes
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16C—COMPUTATIONAL CHEMISTRY; CHEMOINFORMATICS; COMPUTATIONAL MATERIALS SCIENCE
- G16C20/00—Chemoinformatics, i.e. ICT specially adapted for the handling of physicochemical or structural data of chemical particles, elements, compounds or mixtures
- G16C20/10—Analysis or design of chemical reactions, syntheses or processes
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16C—COMPUTATIONAL CHEMISTRY; CHEMOINFORMATICS; COMPUTATIONAL MATERIALS SCIENCE
- G16C60/00—Computational materials science, i.e. ICT specially adapted for investigating the physical or chemical properties of materials or phenomena associated with their design, synthesis, processing, characterisation or utilisation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Bioinformatics & Computational Biology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention provides a novel lead smelting batching control process, which is characterized in that lead concentrate powder with a preset quantity of Q1 is input into a smelting furnace through a feeding hole, oxygen with a preset quantity of X1 is input from a first oxygen input hole, and coal powder with a preset quantity of Y1 is input from a first reducing agent input hole; after full reaction, leading out a lead layer to obtain a slag layer; acquiring the content Z1 of the corresponding lead oxide through a metal detection device, and determining the lead content of the slag layer in unit weight multiplied by the total weight and determining the lead content A1 of the corresponding slag layer; and if the lead content A1 obtained in the process is higher than the preset lead content A0, introducing slag into the smelting furnace through a return pipe, simultaneously inputting a preset amount of lead concentrate powder Q11 into the smelting furnace, inputting a preset amount of oxygen X2 from a second oxygen input port, inputting a preset amount of coal powder Y2 from a second reducing agent input port, and after full reaction, leading out a lead layer to obtain a slag layer.
Description
Technical Field
The invention relates to the technical field of lead smelting, in particular to a novel lead smelting batching control process.
Background
With the development of national economy, the usage amount of lead is more and more, so that lead waste parts and waste materials are increased day by day, the lead waste parts and the waste materials not only bring waste of resources, but also pollute the environment due to the severe toxicity of lead, and directly or indirectly harm the health of people. Therefore, it is particularly necessary to recycle lead scraps and scraps.
The specific smelting method of the traditional lead comprises the following steps: lead metal and lead slag ash are mixed and put into a kiln for smelting, a large amount of lead metal which can be melted at low temperature and fusion-cast lead slag are subjected to high-temperature smelting together, bituminous coal is used as fuel in the smelting process, anthracite and scrap iron are added as ingredients, the feeding amount of each furnace is about 2-4 tons, and the average coal consumption is 560 kilograms of standard coal per ton of lead. In the secondary lead plants with small scale, low yield and simple process and environment-friendly equipment, the recovery rate of metallic lead is only 80 percent, the comprehensive energy consumption is as high as 600kg standard coal/ton lead, more than 8 percent of lead in a large amount of waste slag can not be recycled, and 50 percent of nonferrous metals such as antimony and the like are not recycled. Every year, ten million tons of lead are lost or discharged to the environment, which seriously wastes resources and consumes energy. In the prior art, the smelting process of the secondary lead is difficult to process to meet the requirement of emission standard due to high smelting temperature, low metal recovery rate, high lead content in slag, and large amount of flue gas containing lead, sulfur dioxide and acid mist.
The lead smelting system needs to adjust the structure of materials to ensure the temperature and the fluidity of molten liquid, if the purchased raw material components contain too little Fe, a proper amount of iron powder which is not rich in iron powder needs to be added during the batching, the purchase amount of the iron powder is about 13500 tons every year, and more than 10000 tons of solid waste is produced. Therefore, how to reasonably control the raw materials in lead smelting becomes a technical problem.
Disclosure of Invention
The invention aims to provide a novel lead smelting batching control process to solve the technical problem.
In order to achieve the purpose, the invention provides a novel lead smelting batching control process, which comprises the steps of inputting lead concentrate powder with a preset quantity of Q1 into a smelting furnace through a feeding hole, inputting oxygen with a preset quantity of X1 from a first oxygen input hole, and inputting coal powder with a preset quantity of Y1 from a first reducing agent input hole;
after full reaction, leading out a lead layer to obtain a slag layer;
acquiring the content Z1 of the corresponding lead oxide through a metal detection device, and determining the lead content of the slag layer in unit weight multiplied by the total weight and determining the lead content A1 of the corresponding slag layer;
if the lead content A1 obtained in the process is higher than the preset lead content A0, introducing slag into the smelting furnace through a return pipe, simultaneously inputting lead concentrate powder with a preset amount of Q11 into the smelting furnace, inputting oxygen with a preset amount of X2 from a second oxygen input port, inputting coal powder with a preset amount of Y2 from a second reducing agent input port, and after full reaction, leading out a lead layer to obtain a slag layer;
and if the lead content A1 of the corresponding slag layer is less than the preset lead content A0, the slag layer does not need to be reduced for the second time, and the slag is discharged through a slag discharging port at the lower side of the smelting furnace.
Further, the feed inlet is arranged above the smelting furnace and used for inputting lead concentrate powder into the smelting furnace; arranging a first oxygen input port at the side part of the smelting furnace for inputting oxygen after raw materials are introduced, and a second oxygen input port for inputting oxygen after the raw materials are secondarily input; the below one side of smelting furnace sets up first reductant input port for add the reductant of default behind the input raw materials, and second reductant input port is used for the secondary input raw materials after input oxygen.
Further, a sedimentation tank is arranged at the lower part of the smelting furnace, the sedimentation tank comprises a slag layer at the upper side and a lead layer at the lower side, the reduced lead is deposited at the lower side to form a lead layer, and a lead output port is arranged for discharging the reduced lead; the slag layer one side sets up the connecting pipe, sets up the solenoid valve on the connecting pipe, and a branch and a metal detection device of connecting pipe for detect the zinc oxide in the slag layer and the content of lead oxide, another branch of connecting pipe with the back flow intercommunication, the other end of back flow with the feed inlet intercommunication.
Further, setting a standard input quantity matrix P (Q1, X1, Y1, Q11, X2 and Y2), and determining according to the input quantity when the lead content A1 of the corresponding slag layer is greater than a preset content A0; after the primary charging reduction is completed, determining a real-time lead rate A11 according to the detection result of the metal detection device, and comparing the real-time lead rate A11 with a preset lead rate A0 to determine real-time secondary refined lead ore powder Q12, secondary oxygen input quantity X22 and secondary reducing agent input quantity Y22.
Further, in the standard input quantity matrix P (Q1, X1, Y1, Q11, X2, Y2),
and the secondary lead concentrate powder Q12 is (A11-A0)/A0x Q11, wherein Q11 represents the standard preset secondary oxygen input amount, and A11 represents the real-time lead content.
Further, the secondary oxygen input amount X22 ═ (a11-A0)/A0X X2,
in the formula, X2 represents the preset secondary oxygen input amount, and A11 represents the real-time lead rate.
Further, the input amount of the secondary reducing agent Y22 is (a11-A0)/A0x Y2,
y2 represents the preset secondary reductant input amount, and A11 represents the real-time lead content.
Further, after the real-time lead content is determined by the detection result of the metal detection device, a real-time primary input quantity matrix P1(Q1, X1, Y1, Q12, X22 and Y22) is calculated, and the smelting furnace carries out reduction reaction according to the component content.
Further, after the secondary reduction, the metal detection device obtains a real-time lead rate A12, and compares the real-time lead rate A12 with a preset lead rate A0 and a primary lead rate A1, and if the real-time lead rate is smaller than the preset lead rate, the slag is discharged; if the real-time discharge rate A12 is smaller than the sequential lead rate A1, the smelting furnace performs reduction reaction according to the content of the components according to a newly formed primary input quantity matrix P1(Q1, X1, Y1, Q12, X22 and Y22); if the real-time discharge rate a12 is greater than the primary lead rate a1, the real-time secondary input quantity matrix P is readjusted, wherein,
third-time refined lead ore powder Q13 ═ A12-A0)/A0x Q11
Wherein Q11 represents a standard secondary oxygen input preset amount; wherein the content of the first and second substances,
the three oxygen input amount X23 ═ A13-A0)/A0X X2
X2 represents a preset secondary oxygen input;
wherein the content of the first and second substances,
the input amount of the third reducing agent Y23 is (A13-A0)/A0x Y2,
y2 represents a preset secondary reductant input.
Further, after the real-time lead content is determined through the detection result of the metal detection device, a real-time primary input quantity matrix P2(Q1, X1, Y1, Q13, X23 and Y23) is formed, and the smelting furnace carries out reduction reaction according to the content of the components.
Compared with the prior art, the invention has the technical effects that a preset amount of lead concentrate powder Q1 is input into the smelting furnace through the feed inlet, a preset amount of oxygen X1 is input from the first oxygen input port, a preset amount of coal powder Y1 is input from the first reducing agent input port, after full reaction, the lead layer is led out, the slag layer is obtained, the corresponding content Z1 of lead oxide is obtained through a metal detection device, when the lead content Z1 is obtained, the lead content can be determined by multiplying the lead content of the slag layer by the total weight, meanwhile, the lead content A1 and the zinc content B1 of the corresponding slag layer can be determined, if the lead content A1 is higher than the preset lead content A0, the slag is led into the smelting furnace through the return pipe, meanwhile, a preset amount of lead concentrate powder Q11 is input into the smelting furnace, a preset amount of oxygen X2 is input from the second oxygen input port, a preset amount of coal powder Y2 is input from the second reducing agent, after full reaction, leading out a lead layer to obtain a slag layer; if the lead content A1 of the corresponding slag layer is less than the preset lead content A0, the slag layer does not need to be reduced for the second time. The slag is discharged through a slag discharge 36 at the lower side of the smelting furnace.
Particularly, the lead reduction efficiency can be greatly improved by carrying out secondary reduction on the lead oxide in the slag layer, and meanwhile, in the secondary and more reduction, the lead oxide is added again, and the lead in the slag layer is extracted again by adjusting the adding amount of the lead concentrate powder.
Particularly, when the lead concentrate powder, the oxygen input amount and the reducing agent input amount are determined next time, firstly, the comparison result of the lead content of the slag layer and the preset lead content is referred, then, the new component input amount is determined according to the comparison result of the lead content with the previous lead content, the circulation is continuously performed, the input amount matrix is updated, and the real-time addition amount of various raw materials is determined according to the specific reaction condition of each smelting furnace so as to achieve the optimal lead reduction effect.
Furthermore, the novel lead smelting batching control process of the invention adjusts the material structure during batching, stops the batching of iron powder which is not rich, and ensures the fluidity of molten liquid and the production stability by controlling the oxygen-material ratio and the slag temperature of the bottom blowing furnace. Adjusting the slag type of the furnace according to the structure of the raw materials, and only considering SiO2Adjusting the temperature of the bottom-blown furnace slag without considering Fe; adjusting the temperature of the bottom-blowing furnace slag to ensure the fluidity of the molten liquid; ensuring that the discharged lead content is less than 1 percent.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic front view of a novel lead smelting device according to an embodiment of the present invention.
Detailed Description
Preferred embodiments of the invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the invention, and do not limit the scope of the invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element 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.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 by those skilled in the art according to specific situations.
Referring to fig. 1, which is a schematic structural diagram of a novel lead smelting device according to an embodiment of the present invention, the lead smelting device of the present embodiment includes a smelting furnace 1, and a feeding port 11 is disposed above the smelting furnace 1 for feeding lead concentrate powder into the smelting furnace; a first oxygen input port 12 is provided at the side of the smelting furnace 1 to input oxygen after the raw material is introduced; and a second oxygen input port 22 for inputting oxygen after the secondary input of the raw material; a first reducing agent inlet 13 is arranged on one side below the smelting furnace 1 and used for adding a preset amount of reducing agent after raw materials are input; and a second reducing agent input port 23 for inputting oxygen after the secondary input of the raw material. And the device also comprises a waste gas discharge channel 21 arranged at the upper side of the smelting furnace and used for discharging the generated sulfur dioxide and zinc-containing gas.
With continued reference to fig. 1, the lower part of the smelting furnace 1 according to the embodiment of the present invention is a settling tank, which includes an upper slag layer 2 and a lower lead layer 3, the reduced lead is deposited on the lower side to form a lead layer, and a lead outlet 31 is provided for discharging the reduced lead; the slag layer forms lead oxide and zinc oxide which can be recycled, and the lead content of the slag layer is reduced by re-feeding the lead oxide and the zinc oxide into the smelting furnace for re-reduction. The slag layer 2 is provided with a connecting pipe at one side, the connecting pipe 2 is provided with an electromagnetic valve 32, one branch of the connecting pipe is communicated with a metal detection device 34 for detecting the content of zinc oxide and lead oxide in the slag layer, the other branch of the connecting pipe is communicated with a return pipe 33, the other end of the return pipe 33 is communicated with the feed inlet 11, and after secondary feeding is mixed with slag materials in the return pipe, oxygen and a reducing agent are injected again to reduce the lead again.
Specifically, the metal detection device of this embodiment may be an apparatus capable of emitting the above-mentioned spectrum, such as an atomic fluorescence spectroscopy, an atomic absorption spectroscopy, an inductively coupled plasma emission spectroscopy, a laser-induced breakdown spectroscopy, and an X-ray fluorescence spectroscopy, and may determine the category and the content according to corresponding spectral information or fluorescence intensity information, which is a conventional technique and is not described again.
Specifically, the temperature control range of the smelting furnace of the embodiment is 1000-1200 ℃, the reducing agent adopts calcium oxide, coal powder and the like, and the embodiment adopts coal powder with lower price.
During operation, firstly lead concentrate powder with a preset quantity of Q1 is input into the smelting furnace through the feed inlet, oxygen with a preset quantity of X1 is input from the first oxygen input port, coal powder with a preset quantity of Y1 is input from the first reducing agent input port, after full reaction, the lead layer is led out, the slag layer is obtained, the corresponding lead oxide content Z1 is obtained through a metal detection device, when the lead content of the slag layer is obtained, the lead content can be determined according to the lead content multiplied by the total weight of the slag layer in unit weight, and meanwhile, the lead content A1 and the zinc content B1 of the corresponding slag layer can also be determined, if the lead content A1 is higher than the preset lead content A0, guiding the slag into the smelting furnace through a return pipe, simultaneously inputting lead concentrate powder with a preset quantity of Q11 into the smelting furnace, inputting oxygen with a preset quantity of X2 from a second oxygen input port, inputting coal powder with a preset quantity of Y2 from a second reducing agent input port, and after full reaction, guiding out a lead layer to obtain a slag layer; if the lead content A1 of the corresponding slag layer is less than the preset lead content A0, the slag layer does not need to be reduced for the second time. The slag is discharged through a slag discharge 36 at the lower side of the smelting furnace.
Specifically, the lead reduction efficiency can be greatly improved by carrying out secondary reduction on the lead oxide in the slag layer, and meanwhile, in the secondary and more reduction, the lead oxide is added again, and the lead in the slag layer is extracted again by adjusting the adding amount of the lead concentrate powder.
Specifically, the invention sets a standard input quantity matrix P (Q1, X1, Y1, Q11, X2, Y2) and determines according to the input quantity when the lead content A1 of the corresponding slag layer is more than the preset content A0. In the present example, since the initial raw material charge amounts Q1, X1, and Y1 were determined using a standard smelting furnace apparatus, the lead content and the lead content of the obtained slag layer were substantially changed within the preset ranges, and therefore, it was necessary to newly determine the input amount matrix P after each determination of the lead content and the lead content.
Specifically, after the primary charging reduction of the lead concentrate powder with determined components is completed, the embodiment of the invention determines the real-time lead content rate A11 according to the detection result of the metal detection device, and compares the real-time lead content rate A11 with the preset lead content rate A0 to determine the real-time secondary lead concentrate powder Q12, the secondary oxygen input amount X22 and the secondary reducing agent input amount Y22. Wherein the content of the first and second substances,
secondary lead concentrate powder Q12 ═ a11-A0)/A0x Q11
Where Q11 represents a standard secondary oxygen input preset amount.
In the embodiment, a linear change mode is adopted to control the refined lead ore powder added in real time, and the addition amount of the secondary refined lead ore powder Q12 in real time is determined according to the difference linear relation between the lead content corresponding to the real-time slag layer and the preset lead content.
Wherein the content of the first and second substances,
the input amount of the secondary oxygen X22 is (A11-A0)/A0X X2
In the embodiment, a linear change mode is adopted to control the secondary oxygen input amount added in real time, and X2 represents the preset secondary oxygen input amount.
Wherein the content of the first and second substances,
input amount of secondary reducing agent Y22 ═ A11-A0)/A0x Y2
The embodiment adopts a linear change mode to control the input amount of the secondary reducing agent added in real time, and Y2 represents the preset input amount of the secondary reducing agent.
After the real-time lead content is determined through the detection result of the metal detection device, a real-time primary input quantity matrix P1(Q1, X1, Y1, Q12, X22 and Y22) is formed, and the smelting furnace carries out reduction reaction according to the content of the components.
Specifically, after the secondary reduction, the metal detection device obtains a real-time lead content A12, compares the real-time lead content A12 with a preset lead content A0 and a primary lead content A1, and discharges slag if the real-time lead content is smaller than the preset lead content; if the real-time discharge rate A12 is smaller than the sequential lead rate A1, the smelting furnace performs reduction reaction according to the content of the components according to a newly formed primary input quantity matrix P1(Q1, X1, Y1, Q12, X22 and Y22); if the real-time discharge rate a12 is greater than the primary lead rate a1, the real-time secondary input quantity matrix P is readjusted, wherein,
wherein the content of the first and second substances,
third-time refined lead ore powder Q13 ═ A12-A0)/A0x Q11
Where Q11 represents a standard secondary oxygen input preset amount.
Wherein the content of the first and second substances,
the three oxygen input amount X23 ═ A13-A0)/A0X X2
In the embodiment, a linear change mode is adopted to control the secondary oxygen input amount added in real time, and X2 represents the preset secondary oxygen input amount.
Wherein the content of the first and second substances,
three times of input amount of reducing agent Y23 ═ A13-A0)/A0x Y2
The embodiment adopts a linear change mode to control the input amount of the secondary reducing agent added in real time, and Y2 represents the preset input amount of the secondary reducing agent.
After the real-time lead content is determined through the detection result of the metal detection device, a real-time primary input quantity matrix P2(Q1, X1, Y1, Q13, X23 and Y23) is formed, and the smelting furnace carries out reduction reaction according to the content of the components.
Therefore, when the lead concentrate powder, the oxygen input amount and the reducing agent input amount are determined next time, the comparison result of the lead content of the slag layer and the preset lead content is firstly referred, then the new component input amount is determined according to the comparison result of the lead content with the previous lead content, the input amount matrix is continuously circulated and updated, and the real-time addition amount of various raw materials is determined according to the specific reaction condition of each smelting furnace, so that the optimal lead reduction effect is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A novel lead smelting batching control process is characterized by comprising the following steps:
inputting lead concentrate powder with a preset quantity of Q1 into the smelting furnace through the feeding hole, inputting oxygen with a preset quantity of X1 from the first oxygen input port, and inputting coal powder with a preset quantity of Y1 from the first reducing agent input port;
after full reaction, leading out a lead layer to obtain a slag layer;
acquiring the content Z1 of the corresponding lead oxide through a metal detection device, and determining the lead content of the slag layer in unit weight multiplied by the total weight and determining the lead content A1 of the corresponding slag layer;
if the lead content A1 obtained in the process is higher than the preset lead content A0, introducing slag into the smelting furnace through a return pipe, simultaneously inputting lead concentrate powder with a preset amount of Q11 into the smelting furnace, inputting oxygen with a preset amount of X2 from a second oxygen input port, inputting coal powder with a preset amount of Y2 from a second reducing agent input port, and after full reaction, leading out a lead layer to obtain a slag layer;
and if the lead content A1 of the corresponding slag layer is less than the preset lead content A0, the slag layer does not need to be reduced for the second time, and the slag is discharged through a slag discharging port at the lower side of the smelting furnace.
2. The novel lead smelting burden control process according to claim 1, wherein the feed port is provided above the smelting furnace for feeding lead concentrate powder into the smelting furnace; arranging a first oxygen input port at the side part of the smelting furnace for inputting oxygen after raw materials are introduced, and a second oxygen input port for inputting oxygen after the raw materials are secondarily input; the below one side of smelting furnace sets up first reductant input port for add the reductant of default behind the input raw materials, and second reductant input port is used for the secondary input raw materials after input oxygen.
3. The novel lead smelting burden control process according to claim 2, wherein a settling tank is arranged at the lower part of the smelting furnace, the settling tank comprises a slag layer at the upper side and a lead layer at the lower side, the reduced lead is deposited at the lower side to form the lead layer, and a lead outlet is arranged for discharging the reduced lead; the slag layer one side sets up the connecting pipe, sets up the solenoid valve on the connecting pipe, and a branch and a metal detection device of connecting pipe for detect the zinc oxide in the slag layer and the content of lead oxide, another branch of connecting pipe with the back flow intercommunication, the other end of back flow with the feed inlet intercommunication.
4. The novel lead smelting burden control process according to claim 2, wherein a standard input amount matrix P (Q1, X1, Y1, Q11, X2, Y2) is set, which is determined according to the input amount when the lead content a1 of the corresponding slag layer is greater than a preset content a 0; after the primary charging reduction is completed, determining a real-time lead rate A11 according to the detection result of the metal detection device, and comparing the real-time lead rate A11 with a preset lead rate A0 to determine real-time secondary refined lead ore powder Q12, secondary oxygen input quantity X22 and secondary reducing agent input quantity Y22.
5. The novel lead smelting burden control process of claim 2, wherein in the standard input amount matrix P (Q1, X1, Y1, Q11, X2, Y2),
and (3) the secondary lead concentrate powder Q12 is (A11-A0)/A0x Q11, wherein Q11 represents a standard secondary oxygen input preset amount, and A11 represents the real-time lead rate.
6. The novel lead smelting burden control process according to claim 5,
the input amount of the secondary oxygen X22 is (A11-A0)/A0X X2,
in the formula, X2 represents the preset secondary oxygen input amount, and A11 represents the real-time lead rate.
7. The novel lead smelting burden control process of claim 6, wherein the input amount of the secondary reducing agent Y22 is (A11-A0)/A0x Y2,
y2 represents the preset secondary reductant input amount, and A11 represents the real-time lead content.
8. The novel lead smelting burden control process as claimed in claim 7, wherein after the real-time lead content is determined from the result of the detection by the metal detection device, a real-time primary input amount matrix P1(Q1, X1, Y1, Q12, X22, Y22) is calculated, and the smelting furnace performs reduction reaction according to the content of the component.
9. The novel lead smelting burden control process according to claim 8, wherein after the secondary reduction, the metal detection device obtains a real-time lead content rate A12, compares the real-time lead content rate A12 with a preset lead content rate A0 and a primary lead content rate A1, and discharges slag if the real-time lead content rate is less than the preset lead content rate; if the real-time discharge rate A12 is smaller than the sequential lead rate A1, the smelting furnace performs reduction reaction according to the content of the components according to a newly formed primary input quantity matrix P1(Q1, X1, Y1, Q12, X22 and Y22); if the real-time discharge rate a12 is greater than the primary lead rate a1, the real-time secondary input quantity matrix P is readjusted, wherein,
third-time refined lead ore powder Q13 ═ A12-A0)/A0x Q11
Wherein Q11 represents a standard secondary oxygen input preset amount; wherein the content of the first and second substances,
the three oxygen input quantity X23 ═ A13-A0)/A0X X2
X2 represents a preset secondary oxygen input;
wherein the content of the first and second substances,
the input amount of the three reducing agents Y23 is (A13-A0)/A0x Y2,
y2 represents a preset secondary reductant input.
10. The novel lead smelting burden control process as claimed in claim 9, wherein after the real-time lead content is determined from the result of the detection by the metal detection device, a real-time primary input amount matrix P2(Q1, X1, Y1, Q13, X23, Y23) is formed, and the smelting furnace performs reduction reaction according to the content of the component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010343867.2A CN111349792B (en) | 2020-04-27 | 2020-04-27 | Novel lead smelting batching control process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010343867.2A CN111349792B (en) | 2020-04-27 | 2020-04-27 | Novel lead smelting batching control process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111349792A true CN111349792A (en) | 2020-06-30 |
| CN111349792B CN111349792B (en) | 2021-01-26 |
Family
ID=71191719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010343867.2A Active CN111349792B (en) | 2020-04-27 | 2020-04-27 | Novel lead smelting batching control process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111349792B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509081A (en) * | 2009-03-30 | 2009-08-19 | 安徽铜冠有色金属（池州）有限责任公司九华冶炼厂 | Process for directly reducing liquid high-lead slag by reduction furnace |
| CN102374781A (en) * | 2010-08-17 | 2012-03-14 | 济源市万洋冶炼(集团)有限公司 | Direct lead-smelting comprehensive metallurgical device and smelting process |
| CN102776383A (en) * | 2012-07-04 | 2012-11-14 | 杨龙安 | Method for smelting crude lead in oxygen-enriched side-blowing smelting furnace |
| CN109182779A (en) * | 2018-10-15 | 2019-01-11 | 内蒙古兴安银铅冶炼有限公司 | A kind of new liquid high lead dross reduction technique |
-
2020
- 2020-04-27 CN CN202010343867.2A patent/CN111349792B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509081A (en) * | 2009-03-30 | 2009-08-19 | 安徽铜冠有色金属（池州）有限责任公司九华冶炼厂 | Process for directly reducing liquid high-lead slag by reduction furnace |
| CN102374781A (en) * | 2010-08-17 | 2012-03-14 | 济源市万洋冶炼(集团)有限公司 | Direct lead-smelting comprehensive metallurgical device and smelting process |
| CN102776383A (en) * | 2012-07-04 | 2012-11-14 | 杨龙安 | Method for smelting crude lead in oxygen-enriched side-blowing smelting furnace |
| CN109182779A (en) * | 2018-10-15 | 2019-01-11 | 内蒙古兴安银铅冶炼有限公司 | A kind of new liquid high lead dross reduction technique |
Non-Patent Citations (2)
| Title |
|---|
| 中国机械工程学会，中国机械设计大典编委会编: "《中国机械设计大典》", 31 January 2002, 江西：江西科学技术出版社 * |
| 林星杰等编著: "《铅冶炼企业环境隐患排查及风险评估》", 30 September 2014, 北京：中国环境出版社 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111349792B (en) | 2021-01-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101942575B (en) | Production method of continuous antimony smelting by bottom blowing bath smelting of stibnite and device thereof | |
| CN101200777B (en) | Method and equipment for continuous smelting of lead sulphide concentrate | |
| CN101892388B (en) | Method and device for continuously treating lead anode slime | |
| JP4734415B2 (en) | Method of refining nickel oxide ore containing crystal water into nickel iron in a blast furnace | |
| JP4734414B2 (en) | Method of refining nickel oxide ore containing no crystal water into nickel iron in a blast furnace | |
| KR0159789B1 (en) | A smelting reduction | |
| CN102268557A (en) | One-step oxidizing smelting, retailoring and slag fuming volatilization method for lead sulphide concentrate | |
| CN102912158A (en) | Method for smelting ferrovanadium by fine vanadium slag | |
| CN104946899B (en) | Edge transmission top-blown converter and depleted sedimentation furnace combined lead dross treatment method | |
| CN104232925B (en) | The method of the complicated Treating Low-grade Copper Ores producing white matte by mixed smelting of multi-source | |
| CN111349792B (en) | Novel lead smelting batching control process | |
| CN100451131C (en) | Production and utilization process for making steel using smelting slag | |
| CN109477161A (en) | The method of the nickeliferous copper sulphide material of continuous converting | |
| CN114381568A (en) | Method for improving converter tapping quantity | |
| CN206956120U (en) | Short route copper metallurgy system | |
| CN107858530A (en) | A kind of antimony sulfide ore oxygen-enriched smelting method | |
| CN103146929B (en) | Efficient enrichment and recycling technique of valuable metals in lead smelting slags | |
| CN111334671A (en) | Short-process high-recovery-rate smelting method for chalcocite | |
| CN106544461A (en) | Based on the method that the high-phosphor oolitic hematite of Efco-Northrup furnace prepares conversion pig | |
| CN101270450B (en) | Ferro-nickel alloy and smelting method | |
| Mackey et al. | Modern continuous smelting and converting by bath smelting technology | |
| CN101713013B (en) | Method for using steel slag to produce steel | |
| CN101271095B (en) | Method for detecting scrap steel constituent in stainless steel | |
| Cockcroft et al. | High-pressure coal injection in zinc slag fuming | |
| CN114934190B (en) | Top-blowing cooperative treatment method for copper-containing material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |