CN118437096A - Blast furnace ironmaking dust removal device and working method - Google Patents
Blast furnace ironmaking dust removal device and working method Download PDFInfo
- Publication number
- CN118437096A CN118437096A CN202410555147.0A CN202410555147A CN118437096A CN 118437096 A CN118437096 A CN 118437096A CN 202410555147 A CN202410555147 A CN 202410555147A CN 118437096 A CN118437096 A CN 118437096A
- Authority
- CN
- China
- Prior art keywords
- blast furnace
- filter screen
- vibrating
- dust
- furnace ironmaking
- 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
- 239000000428 dust Substances 0.000 title claims abstract description 120
- 238000000034 method Methods 0.000 title claims abstract description 24
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000003546 flue gas Substances 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 239000012535 impurity Substances 0.000 claims abstract description 22
- 239000002245 particle Substances 0.000 claims abstract description 19
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 206010044048 Tooth missing Diseases 0.000 claims description 7
- 239000000779 smoke Substances 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000002956 ash Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/88—Replacing filter elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/90—Devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration or maintenance
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention relates to the technical field of blast furnace flue gas treatment, and particularly discloses a blast furnace ironmaking dust removing device and a working method thereof, wherein the blast furnace ironmaking dust removing device comprises a filtering dust removing mechanism, a vibrating mechanism and a dust removing tank with an opening at the top, the filtering dust removing mechanism is provided with two groups of filter screens, a connecting plate is connected between the two groups of filter screens, the middle part of the connecting plate is connected with a rotating motor, one group of the two groups of filter screens is controlled by the rotating motor to enter the dust removing tank, a hydraulic cylinder is arranged below the rotating motor, and the hydraulic cylinder controls the filter screens to integrally lift; the vibrating mechanism is provided with a vibrating rod and a lifting motor, the vibrating rod is arranged above the filter screen, and the lifting motor controls the vibrating rod to lift and impact the filter screen; the blast furnace ironmaking dust removing device and the working method thereof can remove the particle impurities attached to the filter element while removing dust, thereby greatly reducing the middle downtime and improving the dust removing efficiency of the flue gas.
Description
Technical Field
The invention relates to the technical field of blast furnace flue gas treatment, in particular to a blast furnace ironmaking dust removal device and a working method thereof.
Background
The blast furnace ironmaking is a method for continuously producing liquid pig iron in a blast furnace by using coke, iron-containing ore and flux, and benefits from the advantages of relatively simple process, high yield, high labor productivity, low energy consumption and the like, so that the traditional blast furnace ironmaking is still a main method for modern ironmaking, and a large amount of flue gas is generated in the ironmaking process, and the flue gas contains more carbon dioxide, carbon monoxide, nitrogen oxides, water vapor, other organic substances, solid smoke dust and the like, wherein the solid smoke dust contains more iron, iron oxide, limestone, coal ash and other particulate matters, and therefore, when the flue gas is treated, dust removal treatment is needed to be carried out on the flue gas, the particulate impurities in the flue gas are removed firstly, and then desulfurization and denitration, acid-base neutralization and the like are carried out on the removed flue gas.
In the present stage, the common dust removing mode is to filter the flue gas by using filter elements such as a filter screen and a filter bag, but the treatment mode is found when in use, on one hand, in the long-term dust removing process, more particle impurities are adhered to the filter element, and the particle impurities can easily block the filter holes, so that the filtering performance of the filter element is reduced, the filter element needs to be cleaned for many times, on the other hand, when the filter element is cleaned, the filter element needs to be stopped firstly, then the filter element is taken out for cleaning, and the whole stage needs to wait for cleaning to finish to continuously start the equipment for dust removing treatment, so that the dust removing efficiency is greatly reduced.
Therefore, a blast furnace ironmaking dust removing device and a working method are needed to be designed, so that the problem that the normal production efficiency is affected due to low dust removing efficiency caused by the need of shutdown cleaning of the existing flue gas dust removing equipment is solved.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a blast furnace ironmaking dust removal device and a working method, which can remove particle impurities attached to a filter element while removing dust, thereby improving dust removal efficiency.
The technical scheme adopted for solving the technical problems is as follows: the blast furnace ironmaking dust collector comprises a filtering dust removing mechanism, a vibrating mechanism and a dust removing tank with an opening at the top, wherein the filtering dust removing mechanism is provided with two groups of filter screens, a connecting plate is connected between the two groups of filter screens, the middle part of the connecting plate is connected with a rotating motor, the rotating motor controls one of the two groups of filter screens to enter the dust removing tank, a hydraulic cylinder is arranged below the rotating motor, and the hydraulic cylinder controls the filter screens to integrally lift;
the vibrating mechanism is provided with a vibrating rod and a lifting motor, the vibrating rod is arranged above the filter screen, and the lifting motor controls the vibrating rod to lift and impact the filter screen.
Specifically, dust removal jar fixed mounting is on the base, and the bottom fixed mounting of dust removal jar has the ash discharge pipe, and the screw thread cover is equipped with to the cover of screw thread on the ash discharge pipe, and fixed mounting has the intake pipe on the dust removal jar.
Specifically, the pneumatic cylinder is installed on the base, fixed mounting has the support frame on the output shaft of pneumatic cylinder, the top fixed mounting of support frame has the mounting bracket, the rotation axis is installed in the mounting bracket internal rotation, the top fixed mounting of rotation axis has the joint board, the bottom fixed mounting of joint board has two connecting rods, the bottom of one of them connecting rod extends to in the dust removal jar, all fixed cover is equipped with the apron on two connecting rods, two apron all with dust removal jar looks adaptation, and the bottom of one of them apron contacts with the top of dust removal jar, all fixed mounting has the blast pipe on two apron.
Specifically, the bottom fixed mounting of mounting bracket has the rotating electrical machines, and the rotating electrical machines is located the support frame, and the output shaft of rotating electrical machines and the bottom fixed connection of rotation axis.
Specifically, the bottom of connecting rod is equal fixed mounting has 冂 type frame one, and the bottom of two 冂 type frames one all is fixed with 冂 type frame two, and the bottom of two 冂 type frames two all has the go-between through bolt fixed mounting, and the intake pipe is located the below of go-between, and equal fixed mounting has the filter screen in two go-between, and the go-between of dust removal jar inside contacts with the inner wall of dust removal jar, all is equipped with vibration mechanism on two 冂 type frames two, and vibration mechanism shakes the granule impurity that attaches on the filter screen.
Specifically, vibrating mechanism still is equipped with two slide bars, the bottom fixed mounting of two slide bars has same cross, the equal fixed mounting in bottom of cross has four vibrating bars, the vibrating bar is inconsistent with the filter screen, the equal fixed mounting in top of two slide bars has the cover plate, all the cover is equipped with reset spring on two slide bars, reset spring's top and cover plate fixed connection, reset spring's bottom and 冂 type second fixed connection, the top fixed mounting of cross has the tooth post, tooth post runs through 冂 type second's top and with 冂 type second's top swing joint, 冂 type second's top fixed mounting has the backplate, rotate on the backplate and install the connecting rod, the fixed cover is equipped with the tooth wheel that lacks on the connecting rod, tooth gear and tooth post mesh.
Specifically, a lifting motor is fixedly arranged on one side of the backboard, and an output shaft of the lifting motor is fixedly connected with one end of the connecting rod.
Specifically, the four vibrating bars are distributed in an annular array.
Specifically, a movable opening is formed in the top of the 冂 type rack II, and the tooth column penetrates through the movable opening and is movably connected with the inner wall of the movable opening.
The working method of the blast furnace ironmaking dust collector comprises the following steps:
s1, before dust removal, placing an ash receiving box below a dust removal tank;
S2, when dust is removed from the blast furnace flue gas, the flue gas is firstly discharged into a dust removal tank through an air inlet pipe, the flue gas with the particle impurities ascends to pass through a filter screen in the dust removal tank, the particle impurities in the flue gas are intercepted by the filter screen, a part of the particle impurities directly fall on the bottom of the dust removal tank, and some particle impurities are directly attached to the bottom of the filter screen, and the filtered flue gas enters the next treatment process through an air outlet pipe;
S3, in order to ensure the filtering performance of the filter screen, starting a lifting motor, wherein an output shaft of the lifting motor drives a connecting rod and a tooth-missing wheel to rotate and drive a tooth column and a cross, taking a vibrating rod away from the filter screen, and enabling a reset spring to be in a stretching state;
S4, when the filter screen needs to be replaced, the output shaft of the hydraulic cylinder is started to extend, the connecting ring in the dust removal tank is taken out, the rotating motor is started, the output shaft of the rotating motor drives the rotating shaft to rotate, after the connecting plate rotates 180 degrees, the rotating motor is closed, at the moment, the two connecting rings alternate in position, then the output shaft of the hydraulic cylinder is started to retract, the unused filter screen is taken into the dust removal tank, dust removal treatment is continuously carried out on smoke, and the filter screen after use is detached from the corresponding 冂 type frame II with the connecting rings and replaced with a new one.
The invention has the following beneficial effects:
According to the blast furnace ironmaking dust removing device and the working method, the vibrating mechanism is arranged to form a vibrating mode on the filter screen in the flue gas dust removing process, and particle impurities attached to the filter screen and blocked in the filter holes are vibrated down, so that the filter screen can always keep good filtering performance in the dust removing process, and when the filter screen is replaced, the two connecting rings can be alternately positioned by rotating the connecting plates, then dust removing can be continuously carried out on one side, and the filter screen after being used is replaced on the other side, so that the middle downtime is greatly reduced, and the flue gas dust removing efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a blast furnace ironmaking dust collector.
Fig. 2 is a schematic diagram of the structure of the connection ring and the dust removal tank detached.
Fig. 3 is a schematic diagram of the connection structure of the rotation shaft, the engagement plate and the two connection rods.
Fig. 4 is a schematic diagram of the connection structure of the 冂 type rack one, the 冂 type rack two and the connection ring.
Fig. 5 is a schematic view of the rear view structure shown in fig. 4.
In the figure: 1-a base; 2-a dust removal tank; 3-an air inlet pipe; 4-a hydraulic cylinder; 5-supporting frames; 6-mounting rack; 7-rotating shaft; 8-a connector plate; 9-connecting rods; 10-cover plate; 11-an exhaust pipe; 12- 冂 type I; 13- 冂 second rack; 14-connecting rings; 15-filtering the mixture; 16-slide bar; 17-cross; 18-vibrating rod; 19-cover plate; 20-a reset spring; 21-tooth column; 22-a back plate; 23-connecting rod; 24-tooth-missing gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described in further detail below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one.
As shown in fig. 1-5, a blast furnace ironmaking dust collector comprises a base 1 and a dust removing tank 2 with an opening at the top, wherein the dust removing tank 2 is fixed on the base 1, a dust discharging pipe is fixed at the bottom of the dust removing tank 2, a screw cap is sleeved on the dust removing pipe in a screw thread manner, the dust discharging pipe is convenient to be opened to pour out granular impurities, an air inlet pipe 3 is fixed on the dust removing tank 2, a hydraulic cylinder 4 is fixed at the top of the base 1, a supporting frame 5 is fixed on an output shaft of the hydraulic cylinder 4, a mounting frame 6 is fixed at the top of the supporting frame 5, a rotating shaft 7 is rotatably mounted in the mounting frame 6, a rotating motor positioned in the supporting frame 5 is fixed at the bottom of the mounting frame 6, the output shaft is fixedly connected with the bottom end of the rotating shaft 7, a connecting plate 8 is fixed at the top end of the rotating shaft 7, two connecting rods 9 are fixed at the bottom of the connecting plate 8, the bottom end of one connecting rod 9 extends into the dust removing tank 2, cover plates 10 are fixedly sleeved on the two connecting rods 9, the two cover plates 10 are matched with the dust collection tank 2, the bottom of one cover plate 10 is contacted with the top of the dust collection tank 2, thus the top of the dust collection tank 2 can be sealed, after the opening of the dust collection tank 2 is sealed, in order to discharge the dust collection fume, the two cover plates 10 are fixedly provided with exhaust pipes 11, the exhaust pipes 11 can be communicated with the next treatment process through external pipelines, so that the dust collection fume can be conducted, 冂 type frames I12 are fixedly arranged at the bottom ends of the two connecting rods 9, 冂 type frames II 13 are fixedly arranged at the bottoms of the two 冂 type frames I12, connecting rings 14 are fixedly arranged at the bottoms of the two 冂 type frames II 13 through bolts, filter screens 15 are fixedly arranged in the two connecting rings 14, the connecting rings 14 and the 冂 type frames II 13 are detachably connected, the filter screen 15 is convenient to replace subsequently, the air inlet pipe 3 is arranged below the connecting ring 14, so that air can be guaranteed to flow from bottom to top and can pass through the filter screen 15 to be filtered, the connecting ring 14 inside the dust removal tank 2 is contacted with the inner wall of the dust removal tank 2, the entering smoke can be thoroughly filtered, and the two 冂 frames 13 are respectively provided with a vibrating mechanism for vibrating off particles and impurities attached to the filter screen 15.
In the two vibrating mechanisms arranged as described above, each vibrating mechanism comprises two slide bars 16, the bottom ends of the two slide bars 16 are fixed with the same cross 17, the bottoms of the cross 17 are fixed with four vibrating bars 18 distributed in an annular array, the vibrating bars 18 are abutted against the filter screen 15, the top ends of the two slide bars 16 are fixed with cover plates 19, the two slide bars 16 are sleeved with reset springs 20, the top ends of the reset springs 20 are fixedly connected with the cover plates 19, the bottom ends of the reset springs 20 are fixedly connected with the 冂 type rack two 13, the top of the cross 17 is fixed with tooth columns 21, the top of the 冂 type rack two 13 is provided with a movable opening, the set tooth columns 21 penetrate through the movable opening and are movably connected with the inner wall of the movable opening, so that the tooth columns 21 and the 冂 type rack two 13 are in movable relation, the top of the 冂 type rack two 13 is fixed with a backboard 22, the backboard 22 is rotatably provided with a connecting rod 23, the connecting rod 23 is fixedly sleeved with a tooth-lacking wheel 24, the tooth columns 24 are meshed with the tooth columns 21, and one end of the tooth columns 22 is fixedly connected with one end of a lifting motor.
In the second embodiment, the working principle of the blast furnace ironmaking dust collector in the first structural form is adopted.
Before dust removal, an ash receiving box is placed below the dust removal tank 2;
when the blast furnace flue gas is dedusted, the flue gas is firstly discharged into the dedusting tank 2 through the air inlet pipe 3, the flue gas with the particle impurities rises and passes through the filter screen 15 in the dedusting tank 2, when the flue gas passes through the filter screen, the particle impurities in the flue gas are intercepted, one part of the flue gas directly falls on the bottom of the dedusting tank 2 and is also directly attached to the bottom of the filter screen 15, and then the filtered flue gas is discharged into the next treatment process through the exhaust pipe 11;
In the process of filtering and dedusting, in order to ensure the filtering performance of the filter screen 15, a corresponding lifting motor can be started, an output shaft of the lifting motor drives a corresponding connecting rod 23 to rotate, and then the lifting motor can drive a tooth-missing wheel 24 to rotate, when teeth on the lifting motor are meshed with teeth on a tooth column 21, the lifting motor can drive the tooth column 21 and a corresponding cross 17 to lift, and the corresponding four vibrating rods 18 are brought away from the filter screen 15, and at the moment, the corresponding reset springs 20 are in a stretching state, when teeth on the tooth-missing wheel 24 are separated from teeth on the tooth column 21, the stretched reset springs 20 pull back, the cross 17 and the vibrating rods 18 are quickly brought down, finally the vibrating rods 18 collide with the filter screen 15, so that vibration can be formed on the filter screen 15, particle impurities attached to the vibrating rods and dust impurities blocked in a filter hole are vibrated down until the tooth-missing wheel 24 is meshed with the tooth column 21 again, and the vibrating rods 18 are brought up, and when the tooth-missing teeth are separated from the tooth column 21, the vibrating rods 18 are directly arranged on the filter screen 15, and dust can be continuously removed in a reciprocating manner, and the dust removing performance of the filter screen 15 can be continuously guaranteed, and the dust can be continuously removed, and the dust can be continuously discharged on the filter screen 15;
In the subsequent use, when the filter screen 15 needs to be replaced, the output shaft of the hydraulic cylinder 4 can be started to extend, the connecting ring 14 in the dust removal tank 2 is taken out, then the rotating motor is started, the output shaft of the rotating motor drives the rotating shaft 7 to rotate, after the connecting plate 8 rotates 180 degrees, the rotating motor is closed, at the moment, the two connecting rings 14 are mutually alternated, then the output shaft of the hydraulic cylinder 4 is started to retract, the filter screen 15 which is not used is taken into the dust removal tank 2, dust removal treatment can be continuously carried out on smoke, and the filter screen 15 after use can be detached from the corresponding 冂 type rack II 13 with the connecting ring 14 on the other side and replaced with a new one.
Compared with the related art, the blast furnace ironmaking dust collector provided by the invention has the advantages that the vibrating mechanism is arranged to form a vibrating mode on the filter screen 15 in the flue gas dust collection process, the particle impurities adhered to the filter screen 15 and blocked in the filter holes are vibrated down, so that the filter screen 15 can always keep good filtering performance in the dust collection process, in addition, when the filter screen 15 is replaced, the two connecting rings 14 can be alternately positioned by the rotation of the connecting plate 8, then the dust collection work can be continuously carried out on one side, and the filter screen 15 after use is replaced on the other side, so that the middle downtime is greatly reduced, and the flue gas dust collection efficiency is improved.
The present invention is not limited to the above embodiments, and any person who can learn the structural changes made under the teaching of the present invention can fall within the scope of the present invention if the present invention has the same or similar technical solutions.
The technology, shape, and construction parts of the present invention, which are not described in detail, are known in the art.
Claims (10)
1. The blast furnace ironmaking dust collector is characterized by comprising a filtering dust collection mechanism, a vibrating mechanism and a dust collection tank with an opening at the top, wherein the filtering dust collection mechanism is provided with two groups of filter screens, a connecting plate is connected between the two groups of filter screens, the middle part of the connecting plate is connected with a rotating motor, one group of the two groups of filter screens is controlled by the rotating motor to enter the dust collection tank, a hydraulic cylinder is arranged below the rotating motor, and the whole lifting of the filter screens is controlled by the hydraulic cylinder;
the vibrating mechanism is provided with a vibrating rod and a lifting motor, the vibrating rod is arranged above the filter screen, and the lifting motor controls the vibrating rod to lift and impact the filter screen.
2. The blast furnace ironmaking dust collector of claim 1, wherein the dust collection tank is fixedly installed on the base, an ash discharge pipe is fixedly installed at the bottom of the dust collection tank, a screw cap is sleeved on the ash discharge pipe, and an air inlet pipe is fixedly installed on the dust collection tank.
3. The blast furnace ironmaking dust collector of claim 1, wherein the hydraulic cylinder is mounted on the base, a supporting frame is fixedly mounted on an output shaft of the hydraulic cylinder, a mounting frame is fixedly mounted on the top of the supporting frame, a rotating shaft is mounted in the mounting frame in a rotating mode, a connecting plate is fixedly mounted on the top of the rotating shaft, two connecting rods are fixedly mounted on the bottom of the connecting plate, the bottom end of one connecting rod extends into the dust collection tank, cover plates are fixedly sleeved on the two connecting rods, the two cover plates are matched with the dust collection tank, the bottom of one cover plate is contacted with the top of the dust collection tank, and exhaust pipes are fixedly mounted on the two cover plates.
4. The blast furnace ironmaking dust collector according to claim 3, wherein the bottom of the mounting frame is fixedly provided with a rotating motor, the rotating motor is positioned in the supporting frame, and an output shaft of the rotating motor is fixedly connected with the bottom end of the rotating shaft.
5. The blast furnace ironmaking dust collector of claim 3, wherein the bottom of the connecting rod is fixedly provided with 冂 type frames one, the bottoms of the two 冂 type frames one are fixedly provided with 冂 type frames two, the bottoms of the two 冂 type frames two are fixedly provided with connecting rings through bolts, the air inlet pipe is positioned below the connecting rings, the filter screens are fixedly arranged in the two connecting rings, the connecting rings in the dust collection tank are contacted with the inner wall of the dust collection tank, the two 冂 type frames two are provided with vibrating mechanisms, and the vibrating mechanisms are used for vibrating off particles attached to the filter screens.
6. The blast furnace ironmaking dust collector of claim 5, wherein the vibrating mechanism is further provided with two sliding rods, the bottom ends of the two sliding rods are fixedly provided with a same cross, the bottoms of the cross are fixedly provided with four vibrating rods which are in contact with a filter screen, the top ends of the two sliding rods are fixedly provided with cover plates, the two sliding rods are sleeved with reset springs, the top ends of the reset springs are fixedly connected with the cover plates, the bottom ends of the reset springs are fixedly connected with a 冂 type frame II, the top of the cross is fixedly provided with tooth columns, the tooth columns penetrate through the top of the 冂 type frame II and are movably connected with the top of the 冂 type frame II, the top of the 冂 type frame II is fixedly provided with a back plate, a connecting rod is rotatably arranged on the back plate, a tooth-lacking wheel is fixedly sleeved on the connecting rod, and the tooth-lacking gear is meshed with the tooth columns.
7. The blast furnace ironmaking dust collector according to claim 6, wherein a lifting motor is fixedly installed on one side of the back plate, and an output shaft of the lifting motor is fixedly connected with one end of the connecting rod.
8. The blast furnace ironmaking dust collector of claim 6, wherein the four vibrating bars are distributed in a circular array.
9. The blast furnace ironmaking dust collector of claim 6, wherein the top of the 冂 rack II is provided with a movable opening, and the tooth column penetrates through the movable opening and is movably connected with the inner wall of the movable opening.
10. The method for operating a blast furnace ironmaking dust collector according to any one of claims 1-9, comprising the steps of:
s1, before dust removal, placing an ash receiving box below a dust removal tank;
S2, when dust is removed from the blast furnace flue gas, the flue gas is firstly discharged into a dust removal tank through an air inlet pipe, the flue gas with the particle impurities ascends to pass through a filter screen in the dust removal tank, the particle impurities in the flue gas are intercepted by the filter screen, a part of the particle impurities directly fall on the bottom of the dust removal tank, and some particle impurities are directly attached to the bottom of the filter screen, and the filtered flue gas enters the next treatment process through an air outlet pipe;
S3, in order to ensure the filtering performance of the filter screen, starting a lifting motor, wherein an output shaft of the lifting motor drives a connecting rod and a tooth-missing wheel to rotate and drive a tooth column and a cross, taking a vibrating rod away from the filter screen, and enabling a reset spring to be in a stretching state;
S4, when the filter screen needs to be replaced, the output shaft of the hydraulic cylinder is started to extend, the connecting ring in the dust removal tank is taken out, the rotating motor is started, the output shaft of the rotating motor drives the rotating shaft to rotate, after the connecting plate rotates 180 degrees, the rotating motor is closed, at the moment, the two connecting rings alternate in position, then the output shaft of the hydraulic cylinder is started to retract, the unused filter screen is taken into the dust removal tank, dust removal treatment is continuously carried out on smoke, and the filter screen after use is detached from the corresponding 冂 type frame II with the connecting rings and replaced with a new one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410555147.0A CN118437096A (en) | 2024-05-07 | 2024-05-07 | Blast furnace ironmaking dust removal device and working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410555147.0A CN118437096A (en) | 2024-05-07 | 2024-05-07 | Blast furnace ironmaking dust removal device and working method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118437096A true CN118437096A (en) | 2024-08-06 |
Family
ID=92313927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410555147.0A Pending CN118437096A (en) | 2024-05-07 | 2024-05-07 | Blast furnace ironmaking dust removal device and working method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118437096A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119186175A (en) * | 2024-11-29 | 2024-12-27 | 江苏鹏飞集团股份有限公司 | Flue gas dust removal equipment and method for low-rank coal calcination |
| CN119246627A (en) * | 2024-09-30 | 2025-01-03 | 武汉捷福斯特电子技术工程有限公司 | Gas detector and detection method |
-
2024
- 2024-05-07 CN CN202410555147.0A patent/CN118437096A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119246627A (en) * | 2024-09-30 | 2025-01-03 | 武汉捷福斯特电子技术工程有限公司 | Gas detector and detection method |
| CN119186175A (en) * | 2024-11-29 | 2024-12-27 | 江苏鹏飞集团股份有限公司 | Flue gas dust removal equipment and method for low-rank coal calcination |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN118437096A (en) | Blast furnace ironmaking dust removal device and working method | |
| CN113663353B (en) | Steam recycling device for petroleum coke calcination | |
| CN218130639U (en) | Waste gas purification equipment in cement production | |
| CN111450650A (en) | Multinomial combination formula industrial dust removal equipment | |
| CN222219009U (en) | A blast furnace ironmaking dust removal device | |
| CN110665308A (en) | A bag collector for exhaust-gas treatment has and prevents blockking up function | |
| CN118874072A (en) | A bag dust collector for environmental protection | |
| CN118179158A (en) | Industrial silicon smelting flue gas treatment equipment | |
| CN212309130U (en) | Pulse bag type dust collector for semi-brittle corundum production | |
| CN212855015U (en) | Jetting device of bag-type dust remover | |
| CN222777836U (en) | A multi-stage exhaust gas purification device for a combustion furnace | |
| CN222111270U (en) | A cartridge dust collector with back-blowing function | |
| CN216963976U (en) | Purification and dust removal device for micro silicon powder | |
| CN217646035U (en) | Small-sized movable bag-type dust collector | |
| CN219043196U (en) | Pulse ash-cleaning bag type dust remover | |
| CN218282636U (en) | Filtration equipment for desulfurization catalyst production | |
| CN115888302A (en) | A dust removal device for furniture production workshop | |
| CN223448964U (en) | Flue gas collecting device of calciner | |
| CN117959811B (en) | Isothermal graded quenching oil production and filtration equipment for new energy automobile gear | |
| CN218687369U (en) | Novel pulse dust collector | |
| CN222092785U (en) | A pulse dust collector for pharmaceutical production workshop | |
| CN207769468U (en) | A kind of environmental protection and energy saving spraying and dedusting degraded equipment | |
| CN216677392U (en) | Special sack cleaner of integral type | |
| CN222984586U (en) | Flue gas desulfurization dust removal all-in-one | |
| CN222153322U (en) | A dust removal device for mining and quarrying |
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 |