CN112361816A - Metallurgical furnace for metallurgy - Google Patents
Metallurgical furnace for metallurgy Download PDFInfo
- Publication number
- CN112361816A CN112361816A CN202011271795.1A CN202011271795A CN112361816A CN 112361816 A CN112361816 A CN 112361816A CN 202011271795 A CN202011271795 A CN 202011271795A CN 112361816 A CN112361816 A CN 112361816A
- Authority
- CN
- China
- Prior art keywords
- box
- metallurgical furnace
- bottom end
- cylinder
- communicated
- 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
- 238000005272 metallurgy Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000005192 partition Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 12
- 238000001179 sorption measurement Methods 0.000 claims description 12
- 238000000746 purification Methods 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 238000011068 loading method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 6
- 239000011707 mineral Substances 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 6
- 239000002912 waste gas Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000001354 calcination Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000009853 pyrometallurgy Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/02—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of bagasse, megasse or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses a metallurgical furnace for metallurgy, which comprises an incineration box, wherein four supporting legs are fixedly arranged at the bottom end of the incineration box, a groove is formed in one side of the incineration box, a collecting mechanism is fixedly arranged at the bottom end of the incineration box and comprises a connecting frame and a collecting box, and the top end of the connecting frame is arranged at the bottom end of the incineration box and is communicated with the inside of the groove. This kind of be used for metallurgical stove, bottom through burning the case sets up collects the mechanism, and the connection frame of collecting in the mechanism is located the recess under, be provided with the chamber door simultaneously in the bottom of collecting box, place the comburent and burn the mineral substance in the metallurgical stove in the recess and calcine, the waste residue that takes place in the combustion process can drop to the collecting box in, collect the waste residue, directly open the chamber door that is located on the collecting box, can directly handle the waste residue, handle the dregs in the recess, adopt this kind of treatment mode clearance of not only being convenient for, also reduce technical staff's work load simultaneously.
Description
Technical Field
The invention relates to a metallurgical furnace, in particular to a metallurgical furnace for metallurgy.
Background
Metallurgy is the process and technology of extracting metals or metal compounds from minerals and making metals into metallic materials with certain properties by various processing methods; the metallurgical technology mainly comprises pyrometallurgy, hydrometallurgy and electrometallurgy. With the successful application of physical chemistry in metallurgy, metallurgy goes from technology to science, and thus has the metallurgical engineering specialty in universities. Metallurgy is a process of removing impurities (unintended elements) in a metal solution by melting (heating above a melting point) for slagging and deslagging, and obtaining relatively pure alloy components from certain chemical components by deslagging, decarburization, deoxidation and the like. The refining process is generally carried out in a metal foundry.
At present, metallurgical furnaces are used in metallurgical industry, the metallurgical furnaces calcine mineral substances at high temperature to improve the purity of the mineral substances, waste residues generated after combustion in combustion chambers need to be treated after the metallurgical furnaces work, most of the existing metallurgical furnaces are treated by shovels, the cleaning effect is not ideal, and therefore the treatment needs to be carried out for many times, and the workload of technicians is increased. There is therefore a need for a metallurgical furnace for metallurgy.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to a metallurgical furnace for metallurgy, which comprises an incineration box, wherein four supporting legs are fixedly arranged at the bottom end of the incineration box, a groove is formed in one side of the incineration box, a collecting mechanism is fixedly arranged at the bottom end of the incineration box and comprises a connecting frame and a collecting box, the top end of the connecting frame is arranged at the bottom end of the incineration box and is communicated with the inside of the groove, the top end of the collecting box is fixedly communicated with the bottom end of the connecting frame, a box door is arranged at the bottom end of the collecting box, a metallurgical furnace is fixedly arranged at the top end of the incineration box, a feeding mechanism is arranged at one side of the top of the metallurgical furnace and comprises a box body, a feeding hopper, a hopper and a second partition plate, one side of the box body is fixedly arranged at one side of the incineration box, the bottom end of the feeding hopper is communicated with the top end of the box body, the feeding hopper is arranged at one side of the box and is communicated with the inside, one side of the second partition plate is inserted into the top of the box body, and a door body is arranged at the bottom of one side of the metallurgical furnace.
As a preferable technical scheme of the invention, the four supporting legs are distributed on the incineration box in a rectangular shape, and the outer wall of the connecting frame is fixedly arranged among the four supporting legs.
In a preferred embodiment of the present invention, a sealing mechanism is disposed on one side of the incineration chamber to face the groove, and the sealing mechanism includes a frame, a rectangular opening, an insertion opening, and a first partition plate, one side of the frame is fixedly mounted on one side of the incineration chamber, the rectangular opening is formed on the front surface of the frame and penetrates through the frame, the insertion opening is formed on one side of the frame, and the first partition plate is inserted into the rectangular opening.
As a preferable technical scheme of the invention, one side of the first partition plate is provided with a handle, and the outer wall of the handle is provided with a rubber sleeve.
As a preferable technical scheme of the invention, the top end of the incineration box is fixedly communicated with a plurality of purification mechanisms, each purification mechanism comprises an exhaust pipe, a first cylinder, a second cylinder, a rubber pipe, a filter screen and an adsorption pad, the bottom end of the exhaust pipe is communicated with the interior of the metallurgical furnace, the top end of the first cylinder is connected with the bottom end of the second cylinder, a sealing ring is arranged between the first cylinder and the second cylinder, and the end part of the rubber pipe is communicated with the top end of the second cylinder.
As a preferable technical solution of the present invention, the filter screen and the adsorption pad are respectively disposed inside the first cylinder and the second cylinder, and the adsorption pad is located right below the filter screen.
As a preferable technical scheme of the invention, the front surface of the box body is provided with a square groove, the end part of the second partition board penetrates through the square groove and is positioned inside the box body, and a sealing gasket is arranged between the second partition board and the square groove.
The invention has the beneficial effects that: a metallurgical furnace of this kind for metallurgy;
1. the bottom end of the incineration box is provided with the collecting mechanism, the connecting frame in the collecting mechanism is positioned under the groove, the bottom end of the collecting box is provided with the box door, the combustion materials are placed in the groove to be combusted to calcine mineral substances in the metallurgical furnace, waste residues generated in the combustion process can fall into the collecting box to be collected, the box door positioned on the collecting box is directly opened, the waste residues can be directly treated, and the residues in the groove are treated, so that the treatment mode is convenient to clean, and the workload of technicians is reduced;
2. be provided with a plurality of purification mechanism through the top of burning the case, wherein filter screen and adsorption pad in purification mechanism install in first drum and second drum, and the adsorption pad is located the filter screen under, to the harmful absorption in the waste gas that produces among the calcination process, then accomplish filterable effect again, prevent that the harmful gas in the waste gas from shining certain pollution to the environment to protect the environment, and improve metallurgical stove's practicality.
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 specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a metallurgical furnace for metallurgy according to the present invention;
FIG. 2 is a schematic structural view of a metallurgical furnace vessel for metallurgy according to the present invention;
FIG. 3 is a schematic view showing the structure of a metallurgical furnace collection box for metallurgy according to the present invention;
FIG. 4 is a schematic structural view of a metallurgical furnace sealing mechanism for metallurgy according to the present invention;
FIG. 5 is a schematic structural view of a charging mechanism of a metallurgical furnace for metallurgy according to the present invention;
FIG. 6 is a schematic structural view of a metallurgical furnace cleaning mechanism for metallurgy according to the present invention.
In the figure: 1. an incineration box; 2. supporting legs; 3. a groove; 4. a connecting frame; 5. a collection box; 6. a frame body; 7. a rectangular opening; 8. an insertion opening; 9. a first separator; 10. a metallurgical furnace; 11. a box body; 12. a hopper; 13. a chute; 14. a second separator; 15. an exhaust pipe; 16. a first cylinder; 17. a second cylinder; 18. a rubber tube; 19. a filter screen; 20. a door body; 21. an adsorption pad.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1, 2, 3, 4, 5 and 6, the metallurgical furnace for metallurgy comprises a burning box 1, four supporting legs 2 are fixedly arranged at the bottom end of the burning box 1, a groove 3 is arranged at one side of the burning box 1, a collecting mechanism is fixedly arranged at the bottom end of the burning box 1 and comprises a connecting frame 4 and a collecting box 5, the top end of the connecting frame 4 is arranged at the bottom end of the burning box 1 and is communicated with the inside of the groove 3, the top end of the collecting box 5 is fixedly communicated with the bottom end of the connecting frame 4, a box door is arranged at the bottom end of the collecting box 5, a metallurgical furnace 10 is fixedly arranged at the top end of the burning box 1, a feeding mechanism is arranged at one side of the top of the metallurgical furnace 10 and comprises a box body 11, a feeding hopper 12, a feeding hopper 13 and a second partition plate 14, one side of the box body 11 is fixedly arranged at one side of the burning box 1, the bottom end of the feeding hopper 12 is communicated with the top end of the box body 11, the loading hopper 13 is opened at one side of the box body 11 and communicated with the inside of the metallurgical furnace 10, one side of the second partition plate 14 is inserted into the top of the box body 11, and the bottom of one side of the metallurgical furnace 10 is provided with a door body 20.
Wherein, four supporting legs 2 are the rectangle distribution on burning case 1, and the outer wall fixed mounting of connecting frame 4 is between four supporting legs 2, installs connecting frame 4 between four supporting legs 2, can play the fixed effect of installation to connecting frame 4.
Wherein, one side of burning box 1 sets up the sealing mechanism relative with recess 3, and sealing mechanism includes framework 6, rectangle mouth 7, inserted hole 8 and first baffle 9, and one side fixed mounting of framework 6 is in burning box 1's one side, and rectangle mouth 7 is seted up in the front of framework 6 and is run through framework 6, and the opening 8 is seted up in one side of framework 6, and first baffle 9 inserts in rectangle mouth 7, through set up sealing mechanism in one side of burning box 1, seals the combustion chamber, prevents the mars blowout.
Wherein, one side of first baffle 9 is provided with the handle, and the outer wall of handle is provided with the rubber sleeve, through set up the handle that has the rubber sleeve on first baffle 9, is convenient for take out first baffle 9 from inserted hole 8 to add the comburent in to recess 3 through rectangle mouth 7.
Wherein, the fixed intercommunication in top of burning box 1 has a plurality of purification mechanism, and purification mechanism includes blast pipe 15, first drum 16, second drum 17, rubber tube 18, filter screen 19 and adsorption pad 21, the bottom of blast pipe 15 is linked together with metallurgical stove 10's inside, the top of first drum 16 is connected with the bottom of second drum 17, and be provided with the sealing washer between first drum 16 and the second drum 17, the tip of rubber tube 18 is linked together with the top of second drum 17, through set up purification mechanism at burning box 1, can purify the waste gas that the metallurgical in-process produced.
Wherein, filter screen 19 and absorption pad 21 set up respectively in the inside of first drum 16 and second drum 17, and absorption pad 21 is located filter screen 19 under, is provided with filter screen 19 and absorption pad 21 in first drum 16 and second drum 17, can purify the filtration to waste gas, prevents that waste gas from causing the pollution to the environment.
Wherein, square groove has been seted up in the front of box 11, and the tip of second baffle 14 passes square groove and is located the inside of box 11, and is provided with sealed the pad between second baffle 14 and the square groove, through the sealed pad that sets up installation second baffle 14 on box 11, can play sealed effect, prevents that waste gas from flowing in through box 11.
When the device works, when a metallurgical furnace needs to be used, mineral substances are firstly put into a feeding hopper 12 and enter a metallurgical furnace 10 through a feeding hopper 13, after the feeding is finished, a second clapboard 14 is inserted into a box body 11, then a handle positioned on a first clapboard 9 is manually pulled, the first clapboard 9 is taken out from an insertion opening 8 and a rectangular opening 7, fuel is put into a groove 3 for combustion, dregs after the combustion fall into a collecting box 5 through the groove 3, waste gas generated in the calcining process flows through a plurality of purifying mechanisms, the waste gas is treated through a filter screen 19 and an adsorption pad 21 and is directly discharged through a rubber pipe 18, when the filter screen 19 and the adsorption pad 21 need to be replaced, the first cylinder 16 and the second cylinder 17 are manually separated, the filter screen 19 and the adsorption pad 21 are directly taken out, the filter screen 19 and the adsorption pad 21 are replaced, when the dregs in the collecting box 5 need to be treated, the door on the collecting box 5 is directly opened, the dregs in the collecting box 5 are treated, and when the dregs in the metallurgical furnace 10 need to be treated, the door on one side of the metallurgical furnace 10 is opened, and the dregs in the metallurgical furnace 10 are treated.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred 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.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A metallurgical furnace for metallurgy comprises a burning box (1) and is characterized in that four supporting legs (2) are fixedly mounted at the bottom end of the burning box (1), a groove (3) is formed in one side of the burning box (1), a collecting mechanism is arranged at the bottom end of the burning box (1) and comprises a connecting frame (4) and a collecting box (5), the top end of the connecting frame (4) is mounted at the bottom end of the burning box (1) and communicated with the inside of the groove (3), the top end of the collecting box (5) is communicated with the bottom end of the connecting frame (4), a box door is arranged at the bottom end of the collecting box (5), a metallurgical furnace (10) is fixedly mounted at the top end of the burning box (1), a feeding mechanism is arranged at one side of the top of the metallurgical furnace (10), and comprises a box body (11), a feeding hopper (12), a feeding hopper (13) and a second partition plate (14), one side of the box body (11) is fixedly installed on one side of the incineration box (1), the bottom end of the loading hopper (12) is communicated with the top end of the box body (11), the loading hopper (13) is arranged on one side of the box body (11) and communicated with the interior of the metallurgical furnace (10), one side of the second partition plate (14) is inserted into the top of the box body (11), and a door body (20) is arranged at the bottom of one side of the metallurgical furnace (10).
2. A metallurgical furnace for metallurgy according to claim 1, characterized in that four of the supporting legs (2) are arranged in a rectangular shape on the incineration chamber (1), and the outer wall of the connection frame (4) is fixedly mounted between the four supporting legs (2).
3. A metallurgical furnace for metallurgy according to claim 1, characterized in that the burning box (1) is provided on one side with a sealing means opposite to the groove (3) and comprising a frame (6), a rectangular opening (7), an insertion opening (8) and a first partition (9), the frame (6) being fixedly mounted on one side of the burning box (1), the rectangular opening (7) being provided on the front side of the frame (6) and penetrating the frame (6), the insertion opening (8) being provided on one side of the frame (6), the first partition (9) being inserted into the rectangular opening (7).
4. A metallurgical furnace for metallurgy according to claim 3, characterized in that the first partition (9) is provided with a handle on one side and the outer wall of the handle is provided with a rubber sleeve.
5. The metallurgical furnace for metallurgy according to claim 1, wherein the top end of the burning box (1) is fixedly communicated with a plurality of purification mechanisms, each purification mechanism comprises an exhaust pipe (15), a first cylinder (16), a second cylinder (17), a rubber pipe (18), a filter screen (19) and an adsorption pad (21), the bottom end of the exhaust pipe (15) is communicated with the inside of the metallurgical furnace (10), the top end of the first cylinder (16) is connected with the bottom end of the second cylinder (17), a sealing ring is arranged between the first cylinder (16) and the second cylinder (17), and the end part of the rubber pipe (18) is communicated with the top end of the second cylinder (17).
6. A metallurgical furnace for metallurgy according to claim 5, characterized in that the filtering screen (19) and the absorption pad (21) are arranged inside the first cylinder (16) and the second cylinder (17), respectively, and the absorption pad (21) is located directly below the filtering screen (19).
7. The metallurgical furnace for metallurgy according to claim 1, wherein the front face of the box body (11) is provided with a square groove, the end of the second partition plate (14) passes through the square groove and is positioned inside the box body (11), and a sealing gasket is arranged between the second partition plate (14) and the square groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011271795.1A CN112361816A (en) | 2020-11-13 | 2020-11-13 | Metallurgical furnace for metallurgy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011271795.1A CN112361816A (en) | 2020-11-13 | 2020-11-13 | Metallurgical furnace for metallurgy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112361816A true CN112361816A (en) | 2021-02-12 |
Family
ID=74515597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011271795.1A Pending CN112361816A (en) | 2020-11-13 | 2020-11-13 | Metallurgical furnace for metallurgy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112361816A (en) |
-
2020
- 2020-11-13 CN CN202011271795.1A patent/CN112361816A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112361816A (en) | Metallurgical furnace for metallurgy | |
| CN106679442A (en) | Smelting furnace flue gas treatment device with raw material preheating function | |
| CN212988048U (en) | Metallurgical equipment capable of removing dust and degassing | |
| CN216726457U (en) | Coke oven top waste heat recovery mechanism | |
| CN209991802U (en) | Fume extractor for aluminum alloy smelting furnace | |
| CN101812563A (en) | High-temperature dust-removing device for processing converter gas | |
| CN210663945U (en) | Water quenching slag discharging device of boiling chlorination furnace | |
| CN220892287U (en) | Smelting furnace with sufficient combustion | |
| CN206803735U (en) | Lifting type intermediate frequency furnace with purification device | |
| CN207487394U (en) | Metal smelting-furnace | |
| CN103191619B (en) | Device and method for filtering and removing dust inside small flue | |
| CN207667354U (en) | Oil smoke piece-rate system | |
| CN213803622U (en) | Smoke guide device on top of coke oven | |
| CN209944985U (en) | Clean energy reverberatory furnace device | |
| CN212655630U (en) | Solid-liquid separation device for electric metallurgy metal precipitation | |
| CN209399374U (en) | A kind of garbage combustion device that heating furnace CO discharge amount is effectively reduced | |
| CN214115670U (en) | Heating device for noble metal smelting | |
| CN219231870U (en) | Ore smelting furnace tail gas harmless treatment device | |
| CN220062616U (en) | Waste heat utilization device of submerged arc furnace | |
| CN211462640U (en) | Slag waste gas treatment equipment | |
| CN219797502U (en) | Heating furnace for tar production and processing | |
| CN214914582U (en) | Smelting electric furnace for brake disc production | |
| CN218846923U (en) | Smelting furnace | |
| CN217058382U (en) | Slag discharging device for front slag hole of bismuth smelting furnace | |
| CN210845601U (en) | Bag type dust collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210212 |