CN111672238A - Nozzle anti-blocking device and method of submerged arc furnace flue gas spray dust remover - Google Patents
Nozzle anti-blocking device and method of submerged arc furnace flue gas spray dust remover Download PDFInfo
- Publication number
- CN111672238A CN111672238A CN202010530449.4A CN202010530449A CN111672238A CN 111672238 A CN111672238 A CN 111672238A CN 202010530449 A CN202010530449 A CN 202010530449A CN 111672238 A CN111672238 A CN 111672238A
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- Prior art keywords
- nozzle
- bevel gear
- flue gas
- submerged arc
- rod
- Prior art date
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- Pending
Links
- 239000007921 spray Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 28
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 239000003546 flue gas Substances 0.000 title claims abstract description 27
- 239000000428 dust Substances 0.000 title claims abstract description 24
- 238000005507 spraying Methods 0.000 claims abstract description 18
- 230000000903 blocking effect Effects 0.000 abstract description 14
- 238000004140 cleaning Methods 0.000 description 14
- 238000003723 Smelting Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000005997 Calcium carbide Substances 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 229910000604 Ferrochrome Inorganic materials 0.000 description 1
- 229910000616 Ferromanganese Inorganic materials 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- 229910001145 Ferrotungsten Inorganic materials 0.000 description 1
- 229910000720 Silicomanganese Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/52—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles
- B05B15/522—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles using cleaning elements penetrating the discharge openings
- B05B15/5223—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles using cleaning elements penetrating the discharge openings the cleaning element, e.g. a needle, and the discharge opening being movable relative to each other in a direction substantially parallel to the flow of liquid or other fluent material through said opening
- B05B15/5225—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles using cleaning elements penetrating the discharge openings the cleaning element, e.g. a needle, and the discharge opening being movable relative to each other in a direction substantially parallel to the flow of liquid or other fluent material through said opening the cleaning element being located upstream of the discharge opening or being actuated upstream therefrom
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/025—Other waste gases from metallurgy plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a nozzle anti-blocking device and a method of a submerged arc furnace flue gas spray dust remover, belonging to the technical field of submerged arc furnaces. According to the nozzle anti-blocking device and method for the submerged arc furnace flue gas spraying dust remover, provided by the invention, the blocking object in the spraying port can be removed through the blocking removing block, the nozzle can be effectively prevented from being blocked, the problem that the traditional nozzle cannot be normally used due to easy blocking is solved, the flue gas treatment efficiency can be improved, the driving shaft can be fixed through the fixing mechanism, and the influence on the use of the nozzle due to the rotation of the driving shaft is avoided.
Description
Technical Field
The invention relates to the technical field of submerged arc furnaces, in particular to a nozzle anti-blocking device and method of a submerged arc furnace flue gas spray dust remover.
Background
The ore-smelting furnace is also called electric arc furnace or resistance electric furnace, and is mainly used for reducing and smelting raw materials of ore, carbonaceous reducing agent and solvent, etc. The method is mainly used for producing ferrosilicon, ferromanganese, ferrochromium, ferrotungsten, silicomanganese and other ferroalloys, and is an important industrial raw material in the metallurgical industry and a chemical raw material such as calcium carbide and the like. The transformer of the submerged arc furnace has continuous and stable load, low impedance voltage, more voltage regulation stages, smaller stage difference and strong overload capacity. Can be divided into two types of loaded voltage regulation and non-excited voltage regulation. The constant-capacity output of the first stages and the constant-current output of the last stages are common.
The flue gas that hot stove in ore deposit discharged adopts spray the dust remover to handle mostly, and the nozzle that present spray the dust remover and adopt is at the in-process that uses, the phenomenon of easy emergence jam, and leads to the unable normal use of nozzle for flue gas treatment effeciency greatly reduced.
Disclosure of Invention
The invention aims to provide a nozzle anti-blocking device and a nozzle anti-blocking method for a submerged arc furnace flue gas spraying dust remover, which can remove blocking objects in a spraying port through a blocking removing block, can effectively avoid nozzle blocking, solve the problem that the traditional nozzle cannot be normally used due to easy blocking, improve the flue gas treatment efficiency, fix a driving shaft through a fixing mechanism, and avoid the driving shaft from rotating to influence the use of the nozzle, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a nozzle anti-blocking device of a submerged arc furnace flue gas spraying dust remover comprises a nozzle, wherein a fixed seat is arranged on the inner side of the nozzle, the fixed seat is fixed on the inner wall of the nozzle through a connecting rod, a bevel gear A is arranged on the inner side of the fixed seat, the bevel gear A is arranged on a driving shaft through a spline, the driving shaft sequentially penetrates through the fixed seat and the nozzle to be connected with a handle, the bevel gear A is engaged with a bevel gear B which is arranged on the screw rod through a spline, two ends of the screw rod are connected on the inner wall of the fixed seat through bearings, the screw rod is connected with a movable plate through threads, the movable plate is provided with support rods which are arranged side by side, the support rods penetrate through the fixed seat and are connected with the blockage removing block, the block cleaning device is characterized in that the block cleaning block is also positioned on the inner side of the nozzle, the driving shaft is further fixed on the nozzle through a fixing mechanism, and the fixing mechanism is installed on the outer wall of the nozzle.
Further, fixed establishment includes base, expanding spring, flexible guide post, removes seat, dead lever and pull rod, the pedestal mounting is on the outer wall of nozzle, the inboard of base is provided with removes the seat, it passes through expanding spring and flexible guide post connection on the inner wall of base to remove the seat, remove and install the dead lever on the seat, the dead lever inserts in the drive shaft, still install the pull rod on removing the seat, the pull rod is worn out the outside that the base is located the base.
Furthermore, the inner wall of the fixing seat is provided with limiting blocks which are symmetrically distributed, and the limiting blocks are tightly attached to the moving plate in the original state.
Further, the movable plate is square, and the distance of the movable plate in the vertical direction is greater than the distance between the adjacent limiting blocks.
Furthermore, the blockage removing block is in a round table shape, the blockage removing block is matched with a spraying opening formed in the front end of the nozzle, and the blockage removing block is located at the spraying opening and protrudes out of the spraying opening.
According to another aspect of the invention, a nozzle anti-blocking method of a nozzle anti-blocking device of a submerged arc furnace flue gas spray dust remover is provided, which comprises the following steps:
s1: the movable seat is driven to move by the pull rod, and the telescopic spring and the telescopic guide post are both telescopic until the fixed rod leaves the driving shaft;
s2: the driving shaft and the bevel gear A are driven to rotate by the handle, and the bevel gear A is meshed with the bevel gear B and the bevel gear B is arranged on the screw rod through a spline, so that the bevel gear A can drive the bevel gear B and the screw rod to synchronously rotate in the rotating process;
s3: the screw rod can drive the movable plate and the support rod to horizontally move in the rotating process so as to enable the blockage cleaning block to move along with the movable plate and the support rod until the blockage cleaning block moves to the spray opening and removes blockage in the spray opening.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to a nozzle anti-blockage device and a method of a submerged arc furnace flue gas spray dust remover, wherein a driving shaft and a bevel gear A are driven to rotate by a handle, the bevel gear A is meshed with the bevel gear B, and the bevel gear B is arranged on a screw rod through a spline, so the bevel gear A can drive the bevel gear B and the screw rod to synchronously rotate in the rotating process, the screw rod can drive a movable plate and a support rod to horizontally move in the rotating process, and further a blockage removing block can move along with the movable plate and the support rod until the blockage removing block moves to a spray hole and removes blockages in the spray hole, the blockages in the spray hole can be removed through the blockage removing block, the blockage of a nozzle can be effectively avoided, the problem that the traditional nozzle cannot be normally used due to easy blockage is solved, and.
2. According to the nozzle anti-blocking device and method for the submerged arc furnace flue gas spraying dust remover, after blocking objects in a spraying port are removed, the blocking removing block returns to the original position, at the moment, the pull rod is loosened, and the telescopic spring and the telescopic guide post are not subjected to stretching force any more, so that the telescopic spring and the telescopic guide post are extended to push the fixing rod to be inserted into the driving shaft, the driving shaft can be fixed through the fixing mechanism, and the situation that the use of a nozzle is influenced due to the rotation of the driving shaft is avoided.
Drawings
FIG. 1 is a schematic view of a nozzle anti-clogging device of a submerged arc furnace flue gas spray dust remover according to the invention;
FIG. 2 is a cross-sectional view of the nozzle anti-clogging device of the submerged arc furnace flue gas spray dust remover according to the present invention;
FIG. 3 is a schematic view of the cleaning block of the present invention for removing blockages;
FIG. 4 is a schematic view of a block removing block mounted on the fixing base of the present invention;
FIG. 5 is a schematic view of a clearing block of the present invention;
fig. 6 is an enlarged view of the invention at a.
In the figure: 1. a nozzle; 11. a spray port; 2. a fixed seat; 21. a bevel gear A; 22. a bevel gear B; 23. a screw rod; 231. moving the plate; 24. a limiting block; 3. a connecting rod; 4. a drive shaft; 41. a handle; 5. a support bar; 51. clearing the blockage; 6. a fixing mechanism; 61. a base; 62. a tension spring; 63. a telescopic guide post; 64. a movable seat; 65. fixing the rod; 66. a pull rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a nozzle anti-clogging device of a flue gas spraying dust remover for a submerged arc furnace comprises a nozzle 1, a fixed seat 2 is arranged on the inner side of the nozzle 1, the fixed seat 2 is fixed on the inner wall of the nozzle 1 through a connecting rod 3, a bevel gear A21 is arranged on the inner side of the fixed seat 2, a bevel gear A21 is arranged on a driving shaft 4 through a spline, the driving shaft 4 sequentially penetrates through the fixed seat 2 and the nozzle 1 to be connected with a handle 41, a bevel gear A21 is engaged with a bevel gear B22, the bevel gear B22 is arranged on a lead screw 23 through a spline, two ends of the lead screw 23 are both connected on the inner wall of the fixed seat 2 through bearings, the lead screw 23 is in threaded connection with a moving plate 231, support rods 5 which are arranged side by side are arranged on the moving plate 231, the support rods 5 penetrate through the fixed seat 2 to be connected with a blockage removing block 51 which is, the driving shaft 4 and the bevel gear A21 are driven to rotate by the handle 41, the bevel gear A21 is meshed with the bevel gear B22, and the bevel gear B22 is arranged on the screw rod 23 through a spline, so the bevel gear A21 can drive the bevel gear B22 and the screw rod 23 to synchronously rotate in the rotating process, the screw rod 23 can drive the moving plate 231 and the support rod 5 to horizontally move in the rotating process, the block cleaning block 51 can further move along with the screw rod, until the block cleaning block 51 moves to the spray opening 11 and removes the blockage in the spray opening 11, the blockage in the spray opening 11 can be removed through the block cleaning block 51, the blockage of the nozzle 1 can be effectively avoided, the problem that the traditional nozzle 1 cannot be normally used due to easy blockage is solved, the smoke treatment efficiency can be improved, the block cleaning block 51 is also positioned at the inner side of the nozzle 1, the inner wall of the fixed seat 2 is provided with the limit blocks 24 which are symmetrically distributed, and the limit, the movable plate 231 is square, the distance of the movable plate 231 in the vertical direction is greater than the distance between the adjacent limit blocks 24, after the blockage in the spraying opening 11 is removed, the handle 41 is rotated reversely to further enable the movable plate 231 and the support rod 5 to move horizontally in a reverse direction until the movable plate 231 is tightly attached to the limit blocks 24, the blockage removing block 51 leaves the spraying opening 11 and returns to the original position, the movable plate 231 can be limited by the limit blocks 24, after the movable plate 231 returns to the original position, the fixing rod 65 can be fully ensured to be inserted into the driving shaft 4, the driving shaft 4 is further fixed on the nozzle 1 through the fixing mechanism 6, and the fixing mechanism 6 is installed on the outer wall of the nozzle 1.
Referring to fig. 6, the fixing mechanism 6 includes a base 61, a telescopic spring 62, a telescopic guide post 63, a movable seat 64, a fixing rod 65 and a pull rod 66, the base 61 is installed on the outer wall of the nozzle 1, the movable seat 64 is disposed on the inner side of the base 61, the movable seat 64 is connected to the inner wall of the base 61 through the telescopic spring 62 and the telescopic guide post 63, the fixing rod 65 is installed on the movable seat 64, the fixing rod 65 is inserted into the driving shaft 4, the pull rod 66 is also installed on the movable seat 64, the pull rod 66 penetrates out of the base 61 and is located on the outer side of the base 61, after the blockage in the spraying port 11 is removed, the blockage removing block 51 returns to the original position, the pull rod 66 is released at this time, the telescopic spring 62 and the telescopic guide post 63 are not subjected to the stretching force any more, so that the telescopic spring 62 and the telescopic guide post 63 both extend to push, the driving shaft 4 is prevented from rotating to affect the use of the nozzle 1.
In order to better show the nozzle anti-clogging process of the nozzle anti-clogging device of the submerged arc furnace flue gas spray dust remover, the embodiment now provides a nozzle anti-clogging method of the nozzle anti-clogging device of the submerged arc furnace flue gas spray dust remover, which includes the following steps:
s1: the movable seat 64 is driven to move by the pull rod 66, and the telescopic spring 62 and the telescopic guide column 63 stretch until the fixed rod 65 leaves the driving shaft 4;
s2: the driving shaft 4 and the bevel gear A21 are driven to rotate by the handle 41, and the bevel gear A21 is meshed with the bevel gear B22, and the bevel gear B22 is arranged on the screw rod 23 through a spline, so that the bevel gear A21 can drive the bevel gear B22 and the screw rod 23 to synchronously rotate in the rotating process;
s3: the screw 23 can drive the moving plate 231 and the support rod 5 to move horizontally in the rotating process, so that the blockage cleaning block 51 also moves along with the moving process until the blockage cleaning block 51 moves to the spraying opening 11 and removes the blockage in the spraying opening 11.
In conclusion, the nozzle anti-blocking device and the method of the submerged arc furnace flue gas spray dust remover, disclosed by the invention, have the advantages that the driving shaft 4 and the bevel gear A21 are driven to rotate by the handle 41, the bevel gear A21 is meshed with the bevel gear B22, and the bevel gear B22 is arranged on the screw rod 23 through a spline, so that the bevel gear A21 can drive the bevel gear B22 and the screw rod 23 to synchronously rotate in the rotating process, the screw rod 23 can drive the moving plate 231 and the supporting rod 5 to horizontally move in the rotating process, further the block cleaning block 51 can move along with the screw rod until the block cleaning block 51 moves to the spray opening 11 and removes the blocking objects in the spray opening 11, the blocking objects in the spray opening 11 can be removed through the block cleaning block 51, the blocking of the nozzle 1 can be effectively avoided, the problem that the traditional nozzle 1 cannot be normally used due to easy blocking is solved, the flue gas treatment efficiency can be improved, and the blocking objects, clear jam piece 51 returns to on the primary importance, loosens pull rod 66 this moment, because expanding spring 62 and flexible guide post 63 all no longer receive the tensile force for in expanding spring 62 and flexible guide post 63 all extend and then promote dead lever 65 and insert drive shaft 4, can fix drive shaft 4 through fixed establishment 6, avoid drive shaft 4 rotation and influence the use of nozzle 1.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (6)
1. The utility model provides a nozzle anti-clogging device of submerged arc furnace flue gas spray dust remover, a serial communication port, including nozzle (1), the inboard of nozzle (1) is provided with fixing base (2), fixing base (2) are fixed on the inner wall of nozzle (1) through connecting rod (3), the inboard of fixing base (2) is provided with bevel gear A (21), bevel gear A (21) are installed on drive shaft (4) through the spline, drive shaft (4) are worn out fixing base (2) and nozzle (1) in proper order and are connected with handle (41), bevel gear A (21) meshing has bevel gear B (22), bevel gear B (22) are installed on lead screw (23) through the spline, the both ends of lead screw (23) all are connected on the inner wall of fixing base (2) through the bearing, lead screw (23) threaded connection has movable plate (231), install bracing piece (5) of arranging side by side on movable plate (231), the utility model discloses a nozzle (1) of automobile, including bracing piece (5), fixing base (2), clear stifled piece (51), drive shaft (4) are fixed on nozzle (1) through fixed establishment (6), fixed establishment (6) are installed on the outer wall of nozzle (1).
2. The nozzle anti-clogging device of the submerged arc furnace flue gas spray dust remover according to claim 1, characterized in that the fixing mechanism (6) comprises a base (61), a telescopic spring (62), a telescopic guide post (63), a moving seat (64), a fixing rod (65) and a pull rod (66), the base (61) is installed on the outer wall of the nozzle (1), the moving seat (64) is arranged on the inner side of the base (61), the moving seat (64) is connected to the inner wall of the base (61) through the telescopic spring (62) and the telescopic guide post (63), the fixing rod (65) is installed on the moving seat (64), the fixing rod (65) is inserted into the driving shaft (4), the pull rod (66) is also installed on the moving seat (64), and the pull rod (66) penetrates through the base (61) and is located on the outer side of the base (61).
3. The device for preventing the nozzle of the flue gas spray dust collector of the submerged arc furnace according to claim 1, wherein the inner wall of the fixing base (2) is provided with symmetrically distributed limiting blocks (24), and the limiting blocks (24) are tightly attached to the moving plate (231) in the original state.
4. The anti-clogging device for the nozzle of the flue gas spray dust collector of the submerged arc furnace as claimed in claim 1, wherein the moving plate (231) is square, and the distance of the moving plate (231) in the vertical direction is greater than the distance between the adjacent stopper blocks (24).
5. The nozzle blockage preventing device for the submerged arc furnace flue gas spray dust remover according to claim 1, characterized in that the blockage removing block (51) is in a circular truncated cone shape, the blockage removing block (51) is matched with the spray opening (11) arranged at the front end of the nozzle (1), and the blockage removing block (51) is positioned at the spray opening (11) and protrudes out of the spray opening (11).
6. A method for preventing the nozzle of the nozzle clogging device of the submerged arc furnace flue gas spray dust remover as claimed in any one of the claims 1 to 5, characterized by comprising the steps of:
s1: the movable seat (64) is driven to move through the pull rod (66), and the telescopic spring (62) and the telescopic guide column (63) are both telescopic until the fixed rod (65) leaves the driving shaft (4);
s2: the driving shaft (4) and the bevel gear A (21) are driven to rotate by the handle (41), and the bevel gear A (21) is meshed with the bevel gear B (22) and the bevel gear B (22) is arranged on the screw rod (23) through a spline, so that the bevel gear A (21) can drive the bevel gear B (22) and the screw rod (23) to synchronously rotate in the rotating process;
s3: the screw rod (23) can drive the movable plate (231) and the support rod (5) to horizontally move in the rotating process, so that the blockage clearing block (51) can also move along with the movable plate until the blockage clearing block (51) moves to the spraying opening (11) and blocks in the spraying opening (11) are cleared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010530449.4A CN111672238A (en) | 2020-06-11 | 2020-06-11 | Nozzle anti-blocking device and method of submerged arc furnace flue gas spray dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010530449.4A CN111672238A (en) | 2020-06-11 | 2020-06-11 | Nozzle anti-blocking device and method of submerged arc furnace flue gas spray dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111672238A true CN111672238A (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010530449.4A Pending CN111672238A (en) | 2020-06-11 | 2020-06-11 | Nozzle anti-blocking device and method of submerged arc furnace flue gas spray dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111672238A (en) |
Cited By (2)
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| CN112353233A (en) * | 2020-11-10 | 2021-02-12 | 浙江吉特工贸有限公司 | High-strength pot |
| CN118634598A (en) * | 2024-08-13 | 2024-09-13 | 国能神东煤炭集团有限责任公司 | A cooling and dust removal device for coal electromechanical equipment |
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| CN207798512U (en) * | 2018-01-17 | 2018-08-31 | 赵国程 | Concrete test block maintenance device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112353233A (en) * | 2020-11-10 | 2021-02-12 | 浙江吉特工贸有限公司 | High-strength pot |
| CN118634598A (en) * | 2024-08-13 | 2024-09-13 | 国能神东煤炭集团有限责任公司 | A cooling and dust removal device for coal electromechanical equipment |
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Application publication date: 20200918 |
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| RJ01 | Rejection of invention patent application after publication |