CN220416238U - Combined sealing device of matte grinding disc - Google Patents
Combined sealing device of matte grinding disc Download PDFInfo
- Publication number
- CN220416238U CN220416238U CN202321681114.8U CN202321681114U CN220416238U CN 220416238 U CN220416238 U CN 220416238U CN 202321681114 U CN202321681114 U CN 202321681114U CN 220416238 U CN220416238 U CN 220416238U
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- CN
- China
- Prior art keywords
- sealing
- matte
- grinding disc
- steel brush
- air outlet
- Prior art date
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- 238000007789 sealing Methods 0.000 title claims abstract description 119
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 239000002893 slag Substances 0.000 claims abstract description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 28
- 229910052802 copper Inorganic materials 0.000 claims description 25
- 239000010949 copper Substances 0.000 claims description 25
- 238000007599 discharging Methods 0.000 abstract description 10
- 239000003570 air Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model discloses a combined sealing device of a matte mill grinding disc, which comprises a grinding disc and a matte mill shell outside the grinding disc, wherein a slag discharging scraper is circumferentially arranged in the middle of the grinding disc, a sealing cover is arranged outside the grinding disc, the top end of the sealing cover is fixed on the matte mill shell, a steel brush sealing mechanism is circumferentially arranged at the bottom of the sealing cover, a positive pressure sealing mechanism is arranged at the lower part outside the sealing cover, the positive pressure sealing mechanism comprises a sealing fan, a sealing connecting pipeline and a sealing ring pipe, an air outlet of the sealing fan is connected with an inlet of the sealing connecting pipeline, an outlet of the sealing connecting pipeline is connected with the sealing ring pipe, a sealing ring pipe is sleeved at the outer side of the lower part of the sealing cover, an air outlet pipe is circumferentially arranged on the sealing ring pipe, the air outlet pipe penetrates through the sealing cover so that the air outlet of the air outlet pipe is positioned in the sealing cover, and a matte blanking opening is arranged on the side wall of the sealing cover. And steel brush sealing, labyrinth sealing and positive pressure sealing combined sealing are adopted. The sealing device adopts combined multi-stage sealing to ensure that slag discharged by the matte mill cannot scatter outside the matte mill.
Description
Technical Field
The utility model belongs to the field of nonferrous metal smelting, and particularly relates to a combined sealing device of a matte grinding disc.
Background
The nonferrous smelting enterprises, in particular to a system adopting a flash converting process by a pyrometallurgical system, wherein the flash converting furnace adopts 200-mesh copper powder, oxygen and air which are mixed according to a certain proportion and enter the furnace through a nozzle for reaction, most of the copper powder is 3-5mm and cannot be directly added into the flash converting furnace, after the copper powder is required to be ground into about 200-mesh fine powder, the fine powder is collected by a dust collecting system, and then the fine powder is added into the converting furnace through conveying equipment.
The matte mill is a fine powder vertical mill capable of crushing and grinding 3-5mm granular matte into about 200 meshes (80%), during the grinding process, large particles can be separated by a powder selecting machine and fall into a millstone again when the large particles are not ground into the required granularity at one time, and a part of the granular matte is thrown to a wind ring through the centrifugal force of the millstone, scraped into a bucket elevator through a mill scraper, enters a conveying belt through the bucket elevator and reenters the millstone for grinding, and the process is called slag discharging process.
In the deslagging process, particles can be scattered outside the matte mill, so that the field environment is bad, granular matte can be attached to external equipment, such as a motor covered with matte, heat dissipation of the motor is poor, service life of the motor is influenced, and the like, and sealing effect is poor due to frequent faults of sealing between a grinding disc (a rotating part) and an external shell (a static fixed part) on the field, so that the granular matte is scattered outside the matte mill.
Therefore, the design of the grinding disc sealing device with safety, reliability and low failure rate is a problem worthy of research.
Disclosure of Invention
The utility model aims to provide a combined sealing device of a matte grinding disc.
Based on the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a combined sealing device of copper matte mill, includes the copper matte mill casing in mill and the mill outside, and mill middle part circumference is equipped with slag tap, and the mill outside is equipped with the sealed cowling, and the top of sealed cowling is fixed on the copper matte mill casing, and the bottom circumference of sealed cowling is equipped with steel brush sealing mechanism, and the lower part in the sealed cowling outside is equipped with positive pressure sealing mechanism, positive pressure sealing mechanism includes sealed fan, sealed connecting pipe and sealed ring pipe, and sealed fan's air outlet and sealed connecting pipe's access connection, sealed connecting pipe's export and sealed ring pipe are connected, and sealed ring pipe covers the lower part outside of locating the sealed cowling, thereby the last circumference of sealed ring pipe is equipped with out the tuber pipe, goes out the tuber pipe and passes the sealed cowling thereby makes the air outlet of out the tuber pipe and is located the sealed cowling, is equipped with copper matte feed opening on the lateral wall of sealed cowling, and copper matte feed opening and slag tap's level are unanimous.
Further, the steel brush sealing mechanism comprises a steel brush and a steel brush clamping plate, the inner end of the steel brush is tightly contacted with the bottom of the grinding disc, the outer section of the steel brush is fixed in the steel brush clamping plate through bolts, and the lower end face of the sealing cover is fixed on the steel brush clamping plate.
Further, a heater is arranged on the sealing connection pipeline so as to heat wind from the sealing fan.
Further, the lower part of the sealing cover is of a U-shaped structure, and the structure forms labyrinth seal with the scraper and the millstone.
Further, the air outlet pipes are uniformly distributed in the circumferential direction, the air outlet pipes are obliquely arranged, and the included angle alpha between the air outlet pipes and the diameter of the sealing ring pipe at the position is 25-35 degrees.
The arrangement of the heater ensures that the outlet temperature of the fan is between 90 and 100 ℃ so as to ensure that the matte grinding system cannot enter cold air to reduce the temperature of the system and influence the yield.
The contact mode of the steel brush sealing mechanism and the millstone is non-pressure contact, so that the millstone rotation efficiency is not influenced, and no cold air enters the system from the part.
The beneficial effects of the utility model are as follows:
after the utility model is installed and used, firstly, no copper matte particles are scattered outside, the field environment is good, the auxiliary equipment of the copper matte mill, especially the equipment such as a motor, an oil station and the like which need to be cooled, the copper matte powder does not appear on the surface, and the good heat dissipation of the equipment is ensured. Secondly, a large amount of manpower and material resources are saved, the copper matte powder scattered outside needs to be cleaned every day and is added into the copper matte mill again, about 1% of copper matte particles are scattered outside every hour according to the treatment capacity of the copper matte mill of 100t/h, about 24t of copper matte is required to be cleaned again and is added into the mill, and the sealing device saves 24t of copper matte particles for cleaning work in the following day. And thirdly, the problem of poor sealing in the slag discharging process of the matte mill is fundamentally solved, the fault rate of a matte mill system is reduced, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural view of a seal cap;
FIG. 3 is a schematic diagram of a positive pressure seal mechanism;
FIG. 4 is a schematic structural view of a steel brush sealing mechanism;
in the figure: 1. the slag discharging device comprises a sealing cover, a slag discharging scraper, a steel brush sealing mechanism, a bolt, a steel brush clamping plate, a steel brush, a sealing fan, a grinding disc, a sealing connecting pipeline, a sealing ring pipe, a 71, an air outlet pipe, a heater and a matte mill shell, wherein the sealing cover is arranged on the sealing ring pipe, the slag discharging scraper is arranged on the sealing ring pipe, the steel brush sealing mechanism is arranged on the sealing ring pipe, the steel brush clamping plate is arranged on the sealing ring pipe, the sealing ring pipe is arranged on the sealing ring pipe, and the sealing ring pipe is arranged on the sealing ring pipe, the sealing ring pipe is connected with the sealing ring fan, the sealing ring pipe is arranged on the sealing ring pipe, the sealing ring pipe is connected with the slag discharging scraper, the heater and the heater is arranged on the sealing ring.
Detailed Description
The following describes the technical scheme of the present utility model in further detail with reference to specific examples, but the scope of the present utility model is not limited thereto.
The utility model provides a combined sealing device of copper matte mill, is shown in fig. 1, including mill 5 and copper matte mill casing 9 in the mill 5 outsides, mill 5 middle part circumference is equipped with four slag tap scrapers 2, and the mill 5 outsides are equipped with sealed cowling 1, and sealed cowling 1's top is fixed on copper matte mill casing 9, and sealed cowling 1's bottom circumference is equipped with steel brush sealing mechanism 3, and sealed cowling 1 outside lower part is equipped with positive pressure sealing mechanism, positive pressure sealing mechanism includes sealed fan 4, sealed connecting pipe 6 and sealed ring canal 7, and sealed fan 4's air outlet and sealed connecting pipe 6's access connection, sealed connecting pipe 6's export and sealed ring canal 7 are connected, and sealed ring canal 7 cover is located sealed cowling 1's lower part outside, and sealed ring canal 7 is gone up circumference and is equipped with out tuber pipe 71, thereby the air outlet that goes out tuber pipe 71 is located sealed cowling 1, is equipped with copper matte feed opening on sealed cowling 1's the lateral wall, and the level of copper matte feed opening and slag tap 2 is unanimous.
The steel brush sealing mechanism comprises a steel brush 3-3 and a steel brush clamping plate 3-2, wherein the inner end of the steel brush 3-3 is tightly contacted with the bottom of the grinding disc 5, the outer section of the steel brush 3-3 is fixed in the steel brush clamping plate 3-2 through a bolt 3-1, and the lower end face of the sealing cover 1 is fixed (particularly welded) on the steel brush clamping plate 3-2.
The sealing connection pipeline 6 is provided with a heater 8 so as to heat the wind coming out of the sealing fan 4.
The lower part of the sealing cover 1 is of a U-shaped structure, the structure forms labyrinth seal with the slag discharging scraper 2 of the grinding disc 5 and the grinding disc 5, and specifically, the sealing cover 1 is inclined planes on the inner side and the outer side of the slag discharging scraper 2 so as to form a barrier for copper matte.
The air outlet pipes 71 are uniformly distributed along the circumferential direction, the air outlet pipes 71 are obliquely arranged, and the included angle alpha between the air outlet pipes 71 and the diameter of the sealing ring pipe 7 at the position is 30 degrees.
In practice, the sealing cover 1 is first installed by a processing machine, and as shown in fig. 2, the lower part of the sealing cover 1 has a U-shaped structure, and the structure forms labyrinth seal with the slag discharging scraper 2 and the grinding disc 5. The sealing cover 1 is uniformly divided into three parts in the circumferential direction, so that the sealing cover is convenient to install on the outer side of the grinding disc 5, and welding is used for fixing each part, so that the strength of the sealing cover 1 is ensured. The connection mode of the sealing ring pipe 7 and the sealing connecting pipe 6 is shown in fig. 3, the air inlet of the sealing ring pipe 7 is connected with the outlet of the sealing connecting pipe 6, and 4 air outlet pipes 71 which are uniformly distributed are connected with the lower part of the sealing cover 1. The outlet of the fan is provided with a heater 8, the fan is connected with the sealing connecting pipe 6 after being heated by the heater 8, the temperature of wind provided by the positive pressure sealing mechanism is 90-100 ℃, and the pressure is 2000Pa (the pressure in the matte grinding system is-4000 Pa during working). The steel brush sealing structure is shown in fig. 4, the steel brush clamping plate 3-2 is fixedly connected with the sealing cover 1 and the steel brush clamping plate 3-2, the steel brush clamping plate 3-2 and the steel brush 3-3 are fixed together through the bolt 3-1, and the inner end of the steel brush 3-3 is close to the lower side part of the grinding disc 5.
In the working process of the matte grinding, as shown in fig. 1, matte particles enter a gap between the grinding disc 5 and the sealing cover 1 from the upper side of the grinding disc 5 and are stored between the grinding disc 5 and the sealing mechanism, cleaning is carried out from a matte outlet of the sealing cover 1 at regular time, daily cleaning is not needed, and when cleaning is carried out, the matte is scraped out from a matte blanking opening through the slag tapping scraper 2.
Finally, it should be noted that: the above examples are provided for illustrating the technical solution of the present utility model and are not to be construed as limiting the present utility model, and it should be understood by those skilled in the art that any equivalent or obvious modification of the embodiments of the present utility model without changing the performance or use thereof without departing from the spirit of the present utility model is intended to be included in the scope of the present utility model as claimed.
Claims (5)
1. The utility model provides a combined sealing device of copper matte mill, includes the copper matte mill casing in mill and the mill outside, and mill middle part circumference is equipped with slag tap, its characterized in that, the mill outside is equipped with the sealed cowling, and the top of sealed cowling is fixed on the copper matte mill casing, and the bottom circumference of sealed cowling is equipped with steel brush sealing mechanism, and the lower part in the sealed cowling outside is equipped with positive pressure sealing mechanism, positive pressure sealing mechanism includes sealed fan, sealing connection pipeline and sealing ring pipe, sealing fan's air outlet and sealing connection pipeline's access connection, sealing connection pipeline's export and sealing ring pipe connection, sealing ring pipe cover locates the lower part outside of sealed cowling, thereby the last circumference of sealing ring pipe is equipped with out the tuber pipe, goes out the tuber pipe and passes the sealed cowling and thereby makes the air outlet of tuber pipe be located the sealed cowling, is equipped with copper matte feed opening on the lateral wall of sealed cowling, and copper matte feed opening and slag tap's level are unanimous.
2. The combined sealing device of the matte grinding disc according to claim 1, wherein the steel brush sealing mechanism comprises a steel brush and a steel brush clamping plate, the inner end of the steel brush is tightly contacted with the bottom of the grinding disc, the outer section of the steel brush is fixed in the steel brush clamping plate through bolts, and the lower end face of the sealing cover is fixed on the steel brush clamping plate.
3. The combined sealing device of the matte grinding disc according to claim 1, wherein a heater is arranged on the sealing connection pipeline so as to heat wind coming out of the sealing fan.
4. The combined sealing device of the matte grinding disc according to claim 1, wherein the lower part of the sealing cover is of a U-shaped structure, and the structure forms labyrinth seal with a scraper and the grinding disc of the grinding disc.
5. The combined sealing device of the matte grinding disc according to claim 1, wherein the air outlet pipes are uniformly distributed in the circumferential direction, the air outlet pipes are obliquely arranged, and an included angle alpha between the air outlet pipes and the diameter of the sealing ring pipe at the air outlet pipes is 25-35 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321681114.8U CN220416238U (en) | 2023-06-29 | 2023-06-29 | Combined sealing device of matte grinding disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321681114.8U CN220416238U (en) | 2023-06-29 | 2023-06-29 | Combined sealing device of matte grinding disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220416238U true CN220416238U (en) | 2024-01-30 |
Family
ID=89650928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321681114.8U Active CN220416238U (en) | 2023-06-29 | 2023-06-29 | Combined sealing device of matte grinding disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220416238U (en) |
-
2023
- 2023-06-29 CN CN202321681114.8U patent/CN220416238U/en active Active
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