CN220677136U - Steel smelting waste gas dust removal device capable of reducing dust occupational disease harm - Google Patents
Steel smelting waste gas dust removal device capable of reducing dust occupational disease harm Download PDFInfo
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- CN220677136U CN220677136U CN202322343619.XU CN202322343619U CN220677136U CN 220677136 U CN220677136 U CN 220677136U CN 202322343619 U CN202322343619 U CN 202322343619U CN 220677136 U CN220677136 U CN 220677136U
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- dust removal
- wall
- dust
- waste gas
- removal box
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- 239000000428 dust Substances 0.000 title claims abstract description 144
- 239000002912 waste gas Substances 0.000 title claims abstract description 49
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 34
- 239000010959 steel Substances 0.000 title claims abstract description 34
- 238000003723 Smelting Methods 0.000 title claims abstract description 29
- 208000028571 Occupational disease Diseases 0.000 title claims abstract description 25
- 230000006378 damage Effects 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims description 25
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000003814 drug Substances 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 31
- 229910052742 iron Inorganic materials 0.000 description 16
- 238000001125 extrusion Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 5
- 229910000805 Pig iron Inorganic materials 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to the technical field of steel smelting and discloses a steel smelting waste gas dust removal device for reducing the harm of dust occupational diseases, which comprises a dust removal box, supporting legs fixedly arranged at the bottom of the dust removal box, a box door movably arranged on the front side of the dust removal box through hinging, and a processing assembly arranged in the dust removal box, wherein the processing assembly comprises a filtering mechanism fixedly arranged in the dust removal box, a mixing mechanism is arranged below the filtering mechanism, the filtering mechanism comprises a limiting block fixedly connected with the inner wall of the dust removal box, a filter plate is slidably arranged in the limiting block, a reset spring is fixedly arranged on the right side of the top of the filter plate, dust in the dust removal box can be primarily filtered through arranging the filtering mechanism, waste gas in the dust removal box can be fully mixed with liquid medicine through arranging the mixing mechanism, and the waste gas is discharged after being reacted with the medicine.
Description
Technical Field
The utility model relates to the technical field of steel smelting, in particular to a steel smelting waste gas dust removal device for reducing dust occupational disease harm.
Background
Iron and steel smelting is the general term of the technical process of steel and iron metallurgy. Iron produced industrially is classified into pig iron (carbon content of 2% or more) and steel (carbon content of less than 2%) according to carbon content, and most of modern ironmaking adopts blast furnace ironmaking, and direct reduction ironmaking and electric furnace ironmaking are adopted respectively. The steel-making mainly uses pig iron produced by a blast furnace, sponge iron produced by a direct reduction iron-making method and scrap steel as raw materials, and steel is produced by different methods. The basic production process is that iron ore is smelted into pig iron in an iron-smelting furnace, pig iron is used as raw material, steel is smelted by different methods, and then steel ingot or continuous casting billet is cast.
According to chinese patent CN213590057U, a dust-removing device for waste gas from iron and steel smelting is proposed to reduce dust occupational disease harm, in the device, waste gas is pumped into a dust filtering box through an air inlet pipe and a folding pipe by starting a blower, and after dust in the waste gas is filtered by a filter screen in the dust filtering box, the waste gas enters the inside of a curved pipe in a heat preservation water tank through a connecting pipe.
However, there may be some defects in this patent, when the waste gas passes through the dust filtering box, dust can be filtered, but in the long-time use process of the device, dust on the filtering plate may be accumulated, and dust in the waste gas can not be filtered well, so that the filtering efficiency is affected.
Disclosure of Invention
The utility model aims to provide a dust removal device for waste gas of iron and steel smelting, which reduces the harm of dust occupational diseases and solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a dust removal device for waste gas of iron and steel smelting for reducing dust occupational disease harm comprises a dust removal box;
the supporting legs are fixedly arranged at the bottom of the dust removal box;
the box door is movably arranged on the front surface of the dust removing box through hinge joint;
and the processing assembly is arranged in the dust removal box and comprises a filtering mechanism fixedly arranged in the dust removal box, and a mixing mechanism is arranged below the filtering mechanism.
Preferably, the filter mechanism includes the stopper with the inner wall fixed connection of dust removal case, the inside slip of stopper is provided with the filter, the top right side fixed mounting of filter has reset spring, reset spring's the other end and the inner wall top fixed connection of stopper, the inner wall side movable mounting of dust removal case has first hinge pin, the inside movable mounting of first hinge pin has the swinging plate, the inner wall top fixed mounting of swinging plate has connecting spring, connecting spring's the other end fixed mounting has the movable plate, the bottom fixed mounting of movable plate has the connecting plate, the bottom fixed mounting of connecting plate has the cleaning brush, the bottom of cleaning brush is contacted with the top of filter, through setting up filter mechanism, and the air pump can be opened to the operating personnel, makes the air pump inhale the inside of dust removal case to the discharge pipe through communicating pipe, because can contain a large amount of dust in the waste gas, when waste gas absorbs the inside to the dust removal case, can carry out the filtration of inside dust through the filter, can carry out the fixed sleeve when the driven shaft that rotates, can take the fixed sleeve to change when the fixed sleeve rotates, can take the extrusion pole to rotate, can produce the extrusion pole and shake down the filter in order to make the filter can produce the excessive and shake the filter to the top to the filter when the filter, can shake the top to the top and make the filter to shake.
Preferably, the mixing mechanism includes the mount with the bottom fixed connection of dust removal case, the inside fixed mounting of mount has the motor, the output fixed mounting of motor has the output shaft, the output shaft activity runs through the bottom of dust removal case and extends to the inside of dust removal case, the outer wall movable mounting of output shaft has the second hinge pin, the inside movable mounting of second hinge pin has stirring paddle, stirring paddle's side fixed mounting has vibration spring, vibration spring's the other end and the outer wall fixed connection of output shaft, the fixed cover in top outer wall of output shaft is equipped with first bevel gear, the lateral wall meshing of first bevel gear has the second bevel gear, the fixed cover of inner wall of second bevel gear is equipped with the driven shaft, the other end of driven shaft and the inner wall side rotation of dust removal case are connected, the fixed cover of outer wall of driven shaft is equipped with the fixed cover, the bottom fixed mounting of fixed cover has the squeeze lever, through setting up the mixing mechanism, when needs carry out intensive mixing to waste gas, operating personnel can open the motor, makes the motor drive the output shaft rotate, can take the second hinge pin to rotate when the output shaft rotates, makes stirring paddle rotate through the side through this side at the fixed side of blade that can rotate, and the side can rotate at this side through the fixed side of stirring paddle of blade, the side through setting up the stirring paddle, can improve the stirring efficiency.
Preferably, the left side intercommunication of dust removal case is provided with the feeder hopper, the right side intercommunication of dust removal case is provided with the blast pipe, the top fixed mounting of dust removal case has the air pump, the left side intercommunication of air pump is provided with communicating pipe, the right side intercommunication of air pump is provided with the discharge pipe, the other end of discharge pipe and the top intercommunication setting of dust removal case, through this setting, can absorb waste gas to the inside of dust removal case.
Preferably, a reset spring is fixedly arranged at the top of the inner wall of the limiting block, the other end of the reset spring is fixedly connected with the top of the filter plate, the bottom of the filter plate is in sliding contact with the bottom of the inner wall of the limiting block, and through the arrangement, the filter plate can be vibrated.
Preferably, the number of the supporting legs is four, and the four supporting legs are fixedly arranged at four corners of the bottom of the dust removing box at equal intervals, so that the dust removing box can support the dust removing box.
Preferably, the inner wall of the second bevel gear is fixedly connected with the outer wall of the driven shaft, the right end of the driven shaft is rotationally connected with the inner wall of the dust removal box, and through the arrangement, the driven shaft can rotate with the extrusion rod in the rotating process, so that the extrusion rod extrudes the filter plate, and the filter plate vibrates.
The utility model provides a dust removal device for waste gas of iron and steel smelting, which reduces the harm of dust occupational diseases. The steel smelting waste gas dust removal device for reducing the damage of dust occupational diseases has the following beneficial effects:
(1) This reduce iron and steel smelting waste gas dust collector of dust occupational disease harm through setting up filtering mechanism, operating personnel can open the air pump, make the air pump inhale the inside to the dust removal case from the discharge pipe through communicating pipe, because can contain a large amount of dust in the waste gas, when waste gas absorbs the inside to the dust removal case, can carry out preliminary filtration to inside dust through the filter, can bring fixed cover to go on to when the driven shaft below the filter plate rotates, can bring the extrusion rod to rotate when making fixed cover rotate, can extrude the filter when making the extrusion rod rotate upwards, can make the filter shake under reset spring's effort, in order to shake the dust that produces too much to pile up at filter top and fall;
(2) This iron and steel smelting waste gas dust collector who reduces dust occupational disease harm through setting up mixing mechanism, when needs carry out intensive mixing to waste gas and medicament, operating personnel can open the motor, makes the motor take the output shaft to rotate, can take the second hinge pin to rotate when the output shaft rotates, makes stirring paddle rotate, because stirring paddle's side passes through the side fixed connection of vibrations spring and output shaft, through this setting, at stirring paddle rotation in-process, can improve the mixing efficiency of medicament and waste gas.
Drawings
FIG. 1 is a schematic perspective view of a dust removal device for waste gas from iron and steel smelting, which reduces the damage of dust occupational diseases;
FIG. 2 is a schematic structural view of an internal processing assembly of a dust removal device for steel smelting waste gas, which reduces dust occupational disease damage;
FIG. 3 is a schematic diagram of the internal filter mechanism of the dust removal device for iron and steel smelting waste gas, which reduces the damage of dust occupational diseases;
FIG. 4 is a schematic diagram showing a partial structure of an internal filter mechanism of a dust removing device for waste gas from iron and steel smelting, which reduces the damage of dust occupational diseases;
fig. 5 is a schematic structural diagram of an internal mixing mechanism of the steel smelting waste gas dust removal device for reducing dust occupational disease harm.
In the figure: 1. a dust removal box; 2. support legs; 3. a feed hopper; 4. an exhaust pipe; 5. an air pump; 6. a communicating pipe; 7. processing the assembly; 71. a filtering mechanism; 711. a limiting block; 712. a filter plate; 713. a return spring; 714. a first hinge pin; 715. a swinging plate; 716. a connecting spring; 717. a moving plate; 718. a connecting plate; 719. a cleaning brush; 72. a mixing mechanism; 721. a fixing frame; 722. a motor; 723. an output shaft; 724. a second hinge pin; 725. stirring paddles; 726. a vibration spring; 727. a first bevel gear; 728. a second bevel gear; 729. a driven shaft; 7291. a fixed sleeve; 7292. an extrusion rod; 8. a discharge pipe; 9. a box door.
Detailed Description
For a clearer understanding of technical features, objects, and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings.
Example 1
The preferred embodiment of the dust removal device for waste gas from iron and steel smelting for reducing the damage of dust occupational diseases provided by the utility model is shown in fig. 1 to 5: comprises a dust removing box 1;
support legs 2 fixedly arranged at the bottom of the dust removal box 1;
a box door 9 movably arranged on the front surface of the dust removing box 1 through a hinge;
and set up at the inside processing subassembly 7 of dust removal case 1, processing subassembly 7 includes fixed mounting at the inside filter mechanism 71 of dust removal case 1, and the below of filter mechanism 71 is provided with mixed mechanism 72, through setting up filter mechanism 71, can carry out preliminary filtration to the dust of dust removal case 1, through setting up mixed mechanism 72, can carry out intensive mixing to the inside waste gas of dust removal case 1 and liquid medicine, makes waste gas and medicament react the back discharge.
The filter mechanism 71 includes the stopper 711 with the inner wall fixed connection of dust removal case 1, the inside slip of stopper 711 is provided with filter 712, the top right side fixed mounting of filter 712 has reset spring 713, reset spring 713's the other end and the inner wall top fixed connection of stopper 711, the inner wall side movable mounting of dust removal case 1 has first hinge pin 714, the inside movable mounting of first hinge pin 714 has swinging plate 715, the inner wall top fixed mounting of swinging plate 715 has connecting spring 716, the other end fixed mounting of connecting spring 716 has movable plate 717, the bottom fixed mounting of movable plate 717 has connecting plate 718, the bottom fixed mounting of connecting plate 718 has cleaning brush 719, the bottom of cleaning brush 719 and the top contact of filter 712, through setting up filter mechanism 71, the air pump 5 is opened to the air pump 5, make air inhale to the inside of dust removal case 1 from discharge pipe 8 through communicating pipe 6, can carry out preliminary filtration through inside dust to filter 712 when waste gas absorbs to the inside of dust removal case 1, can take fixed cover 7291 to change when the driven shaft 729 of filter plate 712 below rotates, make the fixed cover 7291 rotate, can make the filter plate 7292 rotate and make the filter plate 7292 to shake and make the top to produce the extrusion force to rotate, can make the filter plate 7292 to make the back to rotate and can produce the impact to the top to shake.
In this embodiment, through setting up filtering mechanism 71, the operating personnel can open air pump 5, make air pump 5 inhale the inside to dust removal case 1 from discharge pipe 8 through communicating pipe 6, because can contain a large amount of dust in the waste gas, when the waste gas absorbs the inside to dust removal case 1, can carry out preliminary filtration to inside dust through filter 712, can carry out the rotation to when the driven shaft 729 of filter 712 below rotates, can carry out the rotation to fixing sleeve 7291 when making fixing sleeve 7291 rotate, can carry out the rotation to extrusion pole 7292, can extrude filter 712 when making extrusion pole 7292 rotate upwards, can make filter 712 produce vibrations under reset spring 713's effort, in order to shake down to the too much dust that produces the pile up in filter 712 top.
Example 2
On the basis of embodiment 1, the preferred embodiment of the dust removal device for waste gas from iron and steel smelting, which reduces the damage of dust occupational diseases, provided by the utility model is shown in fig. 1 to 5: the mixing mechanism 72 comprises a fixing frame 721 fixedly connected with the bottom of the dust removal box 1, a motor 722 is fixedly arranged in the fixing frame 721, an output shaft 723 is fixedly arranged at the output end of the motor 722, the output shaft 723 movably penetrates through the bottom of the dust removal box 1 and extends to the inside of the dust removal box 1, a second hinge pin 724 is movably arranged at the outer wall of the output shaft 723, a stirring blade 725 is movably arranged in the second hinge pin 724, a vibrating spring 726 is fixedly arranged on the side face of the stirring blade 725, the other end of the vibrating spring 726 is fixedly connected with the outer wall of the output shaft 723, a first bevel gear 727 is fixedly sleeved on the outer wall of the top of the output shaft 723, a second bevel gear is meshed with the side wall of the first bevel gear 727, a driven shaft 729 is fixedly sleeved on the inner wall of the second bevel gear, the other end of the driven shaft 729 is rotatably connected with the side face of the inner wall of the dust removal box 1, a fixed sleeve 7291 is fixedly sleeved on the outer wall of the driven shaft 729, an extrusion rod 7292 is fixedly arranged at the bottom of the fixed sleeve 7291, when the waste gas and a medicament are required to be fully mixed, an operator can start the motor 722, the motor 722 rotates along the output shaft 723, the output shaft 723 rotates along with the stirring blade 723, the second hinge pin 724 rotates along the side face of the stirring blade 725, and the stirring efficiency is improved through the stirring blade 725, and the stirring efficiency is fixedly connected with the stirring blade 725 in the stirring process.
In this embodiment, through setting up mixing mechanism 72, when needs fully mix waste gas and medicament, the operating personnel can turn on motor 722, makes motor 722 take output shaft 723 to rotate, and output shaft 723 rotates the time can take second hinge pin 724 to rotate, makes stirring paddle 725 rotate, because stirring paddle 725's side passes through vibration spring 726 and output shaft 723's side fixed connection, through this setting, in stirring paddle 725 rotation in-process, can improve medicament and waste gas's mixing efficiency.
Further, the left side intercommunication of dust removal case 1 is provided with feeder hopper 3, and the right side intercommunication of dust removal case 1 is provided with blast pipe 4, and the top fixed mounting of dust removal case 1 has air pump 5, and the left side intercommunication of air pump 5 is provided with communicating pipe 6, and the right side intercommunication of air pump 5 is provided with discharge pipe 8, and the other end of discharge pipe 8 and the top intercommunication setting of dust removal case 1, through this setting, can absorb waste gas to the inside of dust removal case 1.
Further, the top of the inner wall of the limiting block 711 is fixedly provided with a return spring 713, the other end of the return spring 713 is fixedly connected with the top of the filter plate 712, the bottom of the filter plate 712 is in sliding contact with the bottom of the inner wall of the limiting block 711, and the filter plate 712 can be vibrated through the arrangement.
The number of the supporting legs 2 is four, and the four supporting legs 2 are fixedly arranged at four corners of the bottom of the dust removing box 1 at equal intervals, so that the dust removing box can support the dust removing box.
In addition, the inner wall of the second bevel gear 728 is fixedly connected with the outer wall of the driven shaft 729, and the right end of the driven shaft 729 is rotatably connected with the inner wall of the dust removing box 1, so that the driven shaft 729 can rotate with the extrusion rod 7292 in the rotating process, the extrusion rod 7292 can extrude the filter plate 712, and the filter plate 712 can vibrate.
The foregoing is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model. Any equivalent changes and modifications can be made by those skilled in the art without departing from the spirit and principles of this utility model, and are intended to be within the scope of this utility model. Moreover, it should be noted that the components of the present utility model are not limited to the above-mentioned overall application, and each technical feature described in the specification of the present utility model may be selected to be used alone or in combination of a plurality of options according to actual needs, so that other combinations and specific applications related to the present utility model are covered by the present utility model.
Claims (7)
1. The steel smelting waste gas dust removal device for reducing the damage of dust occupational diseases comprises a dust removal box (1);
the supporting legs (2) are fixedly arranged at the bottom of the dust removal box (1);
a box door (9) movably arranged on the front surface of the dust removing box (1) through a hinge;
and a processing assembly (7) arranged inside the dust removal box (1), characterized in that: the processing assembly (7) comprises a filtering mechanism (71) fixedly installed inside the dust removal box (1), and a mixing mechanism (72) is arranged below the filtering mechanism (71).
2. The steel smelting waste gas dust removal device for reducing dust occupational disease damage according to claim 1, wherein: the utility model provides a dust removal mechanism, including filter mechanism (71), filter mechanism (71) including stopper (711) with the inner wall fixed connection of dust removal case (1), the inside slip of stopper (711) is provided with filter (712), the top right side fixed mounting of filter (712) has reset spring (713), the other end of reset spring (713) and the inner wall top fixed connection of stopper (711), the inner wall side movable mounting of dust removal case (1) has first hinge pin (714), the inside movable mounting of first hinge pin (714) has swinging plate (715), the inner wall top fixed mounting of swinging plate (715) has connecting spring (716), the other end fixed mounting of connecting spring (716) has movable plate (717), the bottom fixed mounting of movable plate (717) has connecting plate (718), the bottom fixed mounting of connecting plate (718) has cleaning brush (719), the bottom of cleaning brush (719) and the top contact of filter (712).
3. The steel smelting waste gas dust removal device for reducing dust occupational disease damage according to claim 1, wherein: the mixing mechanism (72) comprises a fixing frame (721) fixedly connected with the bottom of the dust removal box (1), a motor (722) is fixedly installed in the fixing frame (721), an output shaft (723) is fixedly installed at the output end of the motor (722), the output shaft (723) movably penetrates through the bottom of the dust removal box (1) and extends to the inside of the dust removal box (1), a second hinge pin (724) is movably installed on the outer wall of the output shaft (723), a stirring blade (725) is movably installed in the second hinge pin (724), a vibrating spring (726) is fixedly installed on the side face of the stirring blade (725), the other end of the vibrating spring (726) is fixedly connected with the outer wall of the output shaft (723), a first bevel gear (727) is fixedly sleeved on the top outer wall of the output shaft (723), a second bevel gear (728) is meshed on the side wall of the first bevel gear (727), a driven shaft (729) is movably installed on the inner wall of the second bevel gear (728), a stirring blade (725) is rotatably connected with the side face of the driven shaft (1), and a fixed sleeve (729) is fixedly installed on the outer wall (7291).
4. The steel smelting waste gas dust removal device for reducing dust occupational disease damage according to claim 1, wherein: the dust removal box is characterized in that a feed hopper (3) is arranged on the left side of the dust removal box (1) in a communicating mode, an exhaust pipe (4) is arranged on the right side of the dust removal box (1) in a communicating mode, an air pump (5) is fixedly arranged at the top of the dust removal box (1), a communicating pipe (6) is arranged on the left side of the air pump (5) in a communicating mode, a discharge pipe (8) is arranged on the right side of the air pump (5) in a communicating mode, and the other end of the discharge pipe (8) is communicated with the top of the dust removal box (1).
5. The steel smelting waste gas dust removal device for reducing dust occupational disease damage according to claim 2, wherein: the top of the inner wall of the limiting block (711) is fixedly provided with a return spring (713), the other end of the return spring (713) is fixedly connected with the top of the filter plate (712), and the bottom of the filter plate (712) is in sliding contact with the bottom of the inner wall of the limiting block (711).
6. The steel smelting waste gas dust removal device for reducing dust occupational disease damage according to claim 1, wherein: the number of the supporting legs (2) is four, and the four supporting legs (2) are fixedly arranged at four corners of the bottom of the dust removal box (1) at equal intervals.
7. A steel smelting waste gas dust removal device for reducing dust occupational disease damage according to claim 3, wherein: the inner wall of the second bevel gear (728) is fixedly connected with the outer wall of the driven shaft (729), and the right end of the driven shaft (729) is rotatably connected with the inner wall of the dust removal box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322343619.XU CN220677136U (en) | 2023-08-30 | 2023-08-30 | Steel smelting waste gas dust removal device capable of reducing dust occupational disease harm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322343619.XU CN220677136U (en) | 2023-08-30 | 2023-08-30 | Steel smelting waste gas dust removal device capable of reducing dust occupational disease harm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220677136U true CN220677136U (en) | 2024-03-29 |
Family
ID=90404496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322343619.XU Active CN220677136U (en) | 2023-08-30 | 2023-08-30 | Steel smelting waste gas dust removal device capable of reducing dust occupational disease harm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220677136U (en) |
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2023
- 2023-08-30 CN CN202322343619.XU patent/CN220677136U/en active Active
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