CN114956091A - Automatic silicon discharging method for industrial silicon smelting - Google Patents
Automatic silicon discharging method for industrial silicon smelting Download PDFInfo
- Publication number
- CN114956091A CN114956091A CN202210774735.4A CN202210774735A CN114956091A CN 114956091 A CN114956091 A CN 114956091A CN 202210774735 A CN202210774735 A CN 202210774735A CN 114956091 A CN114956091 A CN 114956091A
- Authority
- CN
- China
- Prior art keywords
- furnace
- industrial silicon
- silicon
- mud
- hole
- 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.)
- Pending
Links
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 71
- 239000010703 silicon Substances 0.000 title claims abstract description 71
- 238000007599 discharging Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000003723 Smelting Methods 0.000 title claims abstract description 21
- 239000011435 rock Substances 0.000 claims abstract description 26
- 230000000903 blocking effect Effects 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 239000002893 slag Substances 0.000 claims description 7
- 239000004927 clay Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 9
- 238000010079 rubber tapping Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 241000219122 Cucurbita Species 0.000 description 1
- 235000009852 Cucurbita pepo Nutrition 0.000 description 1
- 206010015946 Eye irritation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
- C01B33/021—Preparation
- C01B33/023—Preparation by reduction of silica or free silica-containing material
- C01B33/025—Preparation by reduction of silica or free silica-containing material with carbon or a solid carbonaceous material, i.e. carbo-thermal process
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention discloses an automatic silicon discharging method for industrial silicon smelting, which adopts an industrial silicon discharging robot system to realize the functions of hole burning, hole opening, hole blocking and furnace hole cleaning, wherein the industrial silicon discharging robot system comprises a discharging robot, a vehicle-mounted control box and an operation table, the discharging robot is in communication connection with the vehicle-mounted control box, the vehicle-mounted control box is in communication connection with the operation table, the discharging robot comprises a mechanical arm, a tool library and a multi-path camera, and the tool library comprises a wooden stick, a burnthrough device, a rock drill and a clay gun. The invention has high automation and intelligence degree, greatly reduces the labor intensity, improves the production efficiency and eliminates the potential safety hazard of high-temperature scalding.
Description
Technical Field
The invention relates to the technical field of industrial silicon smelting, in particular to an automatic silicon discharging method for industrial silicon smelting.
Background
Industrial silicon is a product prepared by reducing silicon dioxide by carbon in a submerged arc furnace, and the silicon discharge in front of the furnace is one of important processes in the smelting process of the industrial silicon, and is to discharge high-temperature silicon melt produced by reduction smelting in the submerged arc furnace out of the furnace through a silicon outlet (furnace eye). Silicon discharging comprises processes of opening and blocking a furnace eye, burning eyes and pulling slag and the like, manual silicon discharging is adopted in traditional industrial silicon smelting, specifically, an operator controls a burner when the furnace eye is opened and blocked, a carbon rod is adopted to burn through the burner, objects such as mud balls blocked in the furnace eye and the like are emptied, high-temperature silicon melt is discharged from a submerged arc furnace, during silicon discharging, the round wood is adopted to pull slag to clean sticky slag blocked in a furnace opening, silicon discharging is finished, the operator cleans the sticky slag around the furnace eye through the burner, and the mud balls are sent into the furnace eye and are deeply blocked at a silicon discharging opening by using special tools (a plug and a blocking gourd ladle) manually. If the furnace eye is difficult to open, oxygen and an oxygen tube are required to be used for blowing and burning the furnace eye in an auxiliary mode, the high-temperature silicon melt splashes in the whole operation, the labor intensity of operators is high, and high-temperature scalding safety risk and occupational health hazard risk exist.
Disclosure of Invention
The invention provides an automatic silicon discharging method for industrial silicon smelting, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an automatic play silicon method of industrial silicon smelting, adopts industrial silicon out of the stove robot system to realize burning eye, open a hole, stifled eye and clearance stove eye function, industrial silicon out of the stove robot system includes out of the stove robot, on-vehicle control box and operation panel, out of the stove robot and on-vehicle control box communication connection, on-vehicle control box and operation panel communication connection, out of the stove robot includes arm, tool magazine and multichannel camera, the tool magazine includes the wooden rod, burns and wears ware, rock drill, mud gun.
As a further improvement scheme of the technical scheme: the multichannel camera quantity is 6 ways, includes wherein: the system comprises 2 paths of cameras for forward observation of a furnace mouth, 1 path of cameras for lateral observation of a furnace tongue, 2 paths of cameras for lateral observation of a furnace eye and a tool magazine, and 1 path of cameras for observation of field global situation.
As a further improvement scheme of the technical scheme: the industrial silicon tapping robot system is specifically operated in a manner that an operation table sends control signals to a mechanical arm and a burner through a vehicle-mounted control box, the mechanical arm automatically grabs the burner and then automatically aligns with a furnace eye, and the furnace eye can be directly burned through the burner after the burner is started.
As a further improvement scheme of the technical scheme: the burnthrough device uses the carbon rod as the whole carbon rod, and the total length of the carbon rod is 2500 plus 2700 mm.
As a further improvement scheme of the technical scheme: the industrial silicon tapping robot system is specifically operated to realize the function of opening the furnace, wherein an operation platform sends control signals to a mechanical arm and a rock drill through a vehicle-mounted control box, the mechanical arm automatically grabs the rock drill firstly, the drill rod of the rock drill is automatically aligned to the furnace eye after the rock drill is grabbed, and the furnace eye can be opened by utilizing the impact and the rotation of the drill rod of the rock drill after the rock drill is started.
As a further improvement scheme of the technical scheme: the diameter of a drill rod of the rock drill is 100mm, and the drilling time of the drill rod of the rock drill is 30-60 seconds.
As a further improvement scheme of the technical scheme: the industrial silicon discharging robot system has the specific operation that the operation platform sends control signals to the mechanical arm and the mud gun through the vehicle-mounted control box, the mechanical arm automatically grabs the mud gun firstly, the gun barrel of the mud gun is automatically aligned to the furnace eye after the mud gun is grabbed, and the mud gun can emit the mud gun to block the furnace eye after the mud gun is opened.
As a further improvement scheme of the technical scheme: the mud loading amount of the mud gun is 80L, and the gun barrel of the mud gun can enter the furnace eye by a depth of 655mm when the hole is blocked; the diameter of a mud outlet of the mud gun is 160 mm.
As a further improvement scheme of the technical scheme: the industrial silicon tapping robot system is specifically operated to realize the function of cleaning the furnace eye, the operation table sends a control signal to the mechanical arm through the vehicle-mounted control box, the mechanical arm automatically grabs the wooden stick to align with the furnace eye, then the wooden stick is controlled to be pulled back and forth in the furnace eye to take out slag in the furnace eye, and further the flow rate is increased.
As a further improvement scheme of the technical scheme: the industrial silicon discharging robot system further comprises a field electric cabinet, wherein the field electric cabinet is provided with an emergency stop button and is used for immediately closing the discharging robot through the field emergency stop button when the discharging robot is suddenly abnormal.
Compared with the prior art, the invention has the beneficial effects that:
according to the method, the automatic silicon discharging operation is realized by using the discharging robot instead of manual operation, the discharging robot is a main body execution mechanism by taking the operation table as a control center, and the functions of burning, opening, blocking and cleaning the furnace eye can be realized.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic view of a system for automatically discharging silicon in industrial silicon smelting according to the present invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, in the embodiment of the invention, an automatic silicon discharging method for industrial silicon smelting is characterized in that an industrial silicon discharging robot system is adopted to realize the functions of hole burning, hole opening, hole blocking and furnace hole cleaning, the industrial silicon discharging robot system comprises a discharging robot, a vehicle-mounted control box and an operation table, the discharging robot is in communication connection with the vehicle-mounted control box, the vehicle-mounted control box is in communication connection with the operation table, the discharging robot comprises a mechanical arm, a tool library and a multi-path camera, and the tool library comprises a stick, a burnthrough device, a rock drill and a clay gun.
Specifically, the multichannel camera quantity is 6 ways, including: the system comprises 2 paths of cameras for forward observation of a furnace mouth, 1 path of camera for lateral observation of a furnace tongue, 2 paths of cameras for lateral observation of a furnace eye and a tool magazine, and 1 path of camera for observation of field global situation, wherein the number of the multiple paths of cameras can transmit shot picture images to an operation console through a vehicle-mounted control box.
Specifically, the industrial silicon tapping robot system further comprises a field electric cabinet, wherein the field electric cabinet is provided with an emergency stop button and used for immediately closing the tapping robot through the field emergency stop button when the tapping robot is suddenly abnormal.
The working principle of the invention is as follows:
in the production process, the operation table is manually controlled, and the operation table sends control signals through the vehicle-mounted control box to control the discharging robot to complete discharging tasks such as burning, opening, blocking, cleaning furnace holes and the like. The specific operation technology is as follows:
when burning holes, the operation panel sends control signals to the mechanical arm and the burner through the vehicle-mounted control box, the mechanical arm automatically grabs the burner firstly and then automatically aligns to the furnace eye, the burner can be directly burned through the burner after being started, and the maximum depth of the burner can reach 2000 mm. In order to protect the bus and the hand (the bus is not arranged above the silicon package, and the bus is prevented from being damaged), the burning hole depth is 1500mm at most after the furnace eye is opened. The total length of the carbon rod used by the burner is 2500-.
When opening the eye, the operation panel sends control signal to arm and rock drill through on-vehicle control box, and the arm snatchs the rock drill earlier automatically, snatchs after the rock drill with the drilling rod automatic alignment stove eye of rock drill, and the rock drill is opened the back, utilizes the impact and the rotation of rock drill drilling rod to open the stove eye, then changes into and burns the operation with burning the ware. The diameter of the drill rod is 100mm, and the drilling time of the drill rod is 30-60 seconds. The loss amount of the drill rod is 50-100mm/15 days.
When the hole is blocked, the industrial silicon discharging robot system realizes the specific operation of the hole blocking function, namely, an operation platform sends a control signal to a mechanical arm and a mud gun through a vehicle-mounted control box, the mechanical arm automatically grabs the mud gun firstly, the gun barrel of the mud gun is automatically aligned to the furnace hole after the mud gun is grabbed, the mud gun can emit the mud gun to block the furnace hole after the mud gun is opened, the mud loading amount of the mud gun is 80L, and the gun barrel of the mud gun can enter the furnace hole for 655mm depth when the hole is blocked; the diameter of a mud outlet of the mud gun is 160 mm. After the clay gun blocks the hole, the mechanical arm can be switched, and the clay gun is tamped by using the mechanical arm gripper to prevent the hole from being missed. The material parameters of the furnace inlet end of the clay gun tube of the furnace discharging robot are as follows: cast iron HT 200. The gun barrel is replaceable, and multiple specifications can be adapted to working conditions with different furnace eye diameters.
When the furnace eye is cleaned, the industrial silicon discharging robot system is specifically operated to realize the function of cleaning the furnace eye, namely, an operating platform sends a control signal to a mechanical arm through a vehicle-mounted control box, the mechanical arm automatically grabs a wooden stick to align with the furnace eye, then the wooden stick is controlled to pull back and forth in the furnace eye to take out slag materials in the furnace eye, the flow rate is further increased, and the depth of the pull eye can reach 2900mm to the maximum extent.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (10)
1. The automatic silicon discharging method for industrial silicon smelting is characterized in that an industrial silicon discharging robot system is adopted to achieve the functions of hole burning, hole opening, hole blocking and furnace hole cleaning, the industrial silicon discharging robot system comprises a discharging robot, a vehicle-mounted control box and an operation platform, the discharging robot is in communication connection with the vehicle-mounted control box, the vehicle-mounted control box is in communication connection with the operation platform, the discharging robot comprises a mechanical arm, a tool library and a plurality of cameras, and the tool library comprises a wooden stick, a burning device, a rock drill and a mud gun.
2. The automatic silicon discharging method for industrial silicon smelting according to claim 1, wherein the number of the multiple cameras is 6, which comprises: the system comprises 2 paths of cameras for forward observation of a furnace mouth, 1 path of cameras for lateral observation of a furnace tongue, 2 paths of cameras for lateral observation of a furnace eye and a tool magazine, and 1 path of cameras for observation of field global situation.
3. The automatic silicon discharging method for industrial silicon smelting according to claim 2, wherein the industrial silicon discharging robot system is specifically operated to realize the eye burning function by sending a control signal to the mechanical arm and the burner through a vehicle-mounted control box, the mechanical arm automatically grabs the burner first and then automatically aligns with the furnace eye, and the furnace eye can be directly burned through the burner after the burner is started.
4. The method as claimed in claim 3, wherein the burner uses a carbon rod as the whole carbon rod, and the total length of the carbon rod is 2500-.
5. The automatic silicon discharging method for industrial silicon smelting according to claim 4 is characterized in that the industrial silicon discharging robot system is specifically operated to realize the function of opening the hole, an operation platform sends control signals to a mechanical arm and a rock drill through a vehicle-mounted control box, the mechanical arm automatically grabs the rock drill firstly, the drill rod of the rock drill is automatically aligned to the furnace hole after the rock drill is grabbed, and the furnace hole can be opened by utilizing the impact and the rotation of the drill rod of the rock drill after the rock drill is started.
6. The automatic silicon discharging method for industrial silicon smelting according to claim 5, wherein the diameter of the drill rod of the rock drill is 100mm, and the open time of the drill rod of the rock drill is 30-60 seconds.
7. The automatic silicon discharging method for industrial silicon smelting according to claim 6 is characterized in that the operation of the industrial silicon discharging robot system for realizing the hole plugging function is that the operation platform sends control signals to the mechanical arm and the mud cannon through the vehicle-mounted control box, the mechanical arm automatically grabs the mud cannon firstly, the cannon barrel of the mud cannon is automatically aligned to the furnace hole after the mud cannon is grabbed, and the mud cannon can shoot the cannon mud to plug the furnace hole after the mud cannon is opened.
8. The automatic silicon discharging method for industrial silicon smelting according to claim 7, wherein the mud loading amount of the mud gun is 80L, and the gun barrel of the mud gun can enter the furnace eye at a depth of 655mm when the hole is blocked; the diameter of a mud outlet of the mud gun is 160 mm.
9. The automatic silicon discharging method for industrial silicon smelting according to claim 8, wherein the industrial silicon discharging robot system is specifically operated to achieve the function of cleaning the furnace eye, the operation table sends a control signal to the mechanical arm through the vehicle-mounted control box, the mechanical arm automatically grabs the wooden stick to align with the furnace eye, and then the wooden stick is controlled to pull back and forth in the furnace eye to take out slag in the furnace eye, so that the flow rate is increased.
10. The automatic silicon discharging method for industrial silicon smelting according to claim 9, wherein the industrial silicon discharging robot system further comprises an on-site electric control box, and the on-site electric control box is provided with an emergency stop button, so that when the discharging robot suddenly goes wrong, the discharging robot can be immediately turned off through the on-site emergency stop button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210774735.4A CN114956091A (en) | 2022-07-01 | 2022-07-01 | Automatic silicon discharging method for industrial silicon smelting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210774735.4A CN114956091A (en) | 2022-07-01 | 2022-07-01 | Automatic silicon discharging method for industrial silicon smelting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114956091A true CN114956091A (en) | 2022-08-30 |
Family
ID=82967959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210774735.4A Pending CN114956091A (en) | 2022-07-01 | 2022-07-01 | Automatic silicon discharging method for industrial silicon smelting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114956091A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108384911A (en) * | 2018-03-09 | 2018-08-10 | 哈尔滨博实自动化股份有限公司 | Full-automatic ferrosilicon goes out furnace system and ferrosilicon is come out of the stove robot |
| CN108413773A (en) * | 2018-03-09 | 2018-08-17 | 哈尔滨博实自动化股份有限公司 | A kind of Fesi Furnace is come out of the stove the operational method of Work robot |
| CN211541235U (en) * | 2019-12-26 | 2020-09-22 | 安徽科钧智能技术有限公司 | Novel intelligence robot of coming out of stove |
| CN216620678U (en) * | 2021-12-27 | 2022-05-27 | 洛阳西仪智能科技有限公司 | Tapping equipment for industrial silicon production |
-
2022
- 2022-07-01 CN CN202210774735.4A patent/CN114956091A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108384911A (en) * | 2018-03-09 | 2018-08-10 | 哈尔滨博实自动化股份有限公司 | Full-automatic ferrosilicon goes out furnace system and ferrosilicon is come out of the stove robot |
| CN108413773A (en) * | 2018-03-09 | 2018-08-17 | 哈尔滨博实自动化股份有限公司 | A kind of Fesi Furnace is come out of the stove the operational method of Work robot |
| CN211541235U (en) * | 2019-12-26 | 2020-09-22 | 安徽科钧智能技术有限公司 | Novel intelligence robot of coming out of stove |
| CN216620678U (en) * | 2021-12-27 | 2022-05-27 | 洛阳西仪智能科技有限公司 | Tapping equipment for industrial silicon production |
Non-Patent Citations (1)
| Title |
|---|
| 段西京: ""工业硅电炉出炉浇注新工艺"", 《2016（首届）全国铁合金热点难点技术交流会论文集》, pages 97 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107254560A (en) | The processing blast furnace crucibe method freezed and the iron mouthful oxygen rifle used | |
| CN108413773B (en) | A kind of Fesi Furnace is come out of the stove the operational method of Work robot | |
| NL8602224A (en) | METHOD AND APPARATUS FOR FORMING FIRE-RESISTANT MASSES | |
| CN114956091A (en) | Automatic silicon discharging method for industrial silicon smelting | |
| CN106591531B (en) | A method of avoiding converter oxygen gun steel bonding slag | |
| CN208269665U (en) | A kind of closed type calcium carbide furnace manipulator | |
| CN111397378A (en) | Automatic calcium carbide discharging method and device | |
| CN219488949U (en) | Lime hydrate feeding device | |
| CN212566894U (en) | Automatic calcium carbide discharging device | |
| CN201217005Y (en) | Coal tube dredging apparatus | |
| CN207514912U (en) | A kind of Anti-backfire oxygen-combustion device | |
| CN105674752B (en) | A kind of furnace of calcium carbide opens stifled eye device | |
| CN101914645A (en) | Method and device for blocking and unchoking blast furnace tuyere | |
| CN211373250U (en) | Lead smelting furnace puts plumbous automatic control device | |
| CN111351364A (en) | Automatic carbide discharging robot | |
| CN211400808U (en) | Lead smelting furnace anaerobic lead discharging automatic control device | |
| CN114959137A (en) | Construction method for maintenance operation safety environment in blast furnace | |
| CN114321889A (en) | Air-cannon type coal boiler slag discharge pipe dredging device and using method thereof | |
| CN212931016U (en) | Automatic carbide discharging robot | |
| CN205537145U (en) | Stifled eye device is opened to carbide stove | |
| CN111023836A (en) | Lead smelting furnace puts plumbous automatic control device | |
| JP2001003061A (en) | Apparatus for cleaning coal charging opening of coke oven | |
| CN217556213U (en) | Emergency blocking device for blast furnace front taphole drilling machine | |
| CN111023835A (en) | Lead smelting furnace anaerobic lead discharging automatic control device | |
| CN209214353U (en) | A kind of welding repair machine with safe anti-explosion function |
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 |