CN220951870U - Pressing working platform of blast furnace air supply device - Google Patents
Pressing working platform of blast furnace air supply device Download PDFInfo
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- CN220951870U CN220951870U CN202321767145.5U CN202321767145U CN220951870U CN 220951870 U CN220951870 U CN 220951870U CN 202321767145 U CN202321767145 U CN 202321767145U CN 220951870 U CN220951870 U CN 220951870U
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- air supply
- movable plate
- support frame
- working platform
- ejector rod
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- 238000003825 pressing Methods 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 23
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 238000005728 strengthening Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Auxiliary Methods And Devices For Loading And Unloading (AREA)
Abstract
The utility model relates to a blast furnace air supply device pressing working platform, which comprises a working platform, wherein a first movable plate and a second movable plate are arranged on the surface of the working platform, the first movable plate and the second movable plate are movably connected along the surface of the working platform, the bottom surfaces of the first movable plate and the second movable plate are arranged in a chute, and the chute is arranged on the surface of the working platform; a first support frame and a second support frame are fixedly arranged between the first movable plate and the second movable plate, telescopic rods are fixedly arranged on the bottom surfaces of the first support frame and the second support frame, the bottom ends of the telescopic rods are movably connected with fixing seats, and the fixing seats are fixedly arranged on the surface of the working platform; the side wall fixedly connected with ejector pin I of first fly leaf, the side wall fixedly connected with ejector pin II of second fly leaf. The utility model has the beneficial effects that: the structure design is reasonable, the conception is novel, the operation is convenient, the pressing leakage detection is carried out on the air supply device before the wire feeding, the used air supply device is ensured to be free from flaws, the wire feeding is not hidden, and the safe and stable operation of the blast furnace air supply device is ensured.
Description
Technical Field
The utility model relates to the technical field of auxiliary equipment of a blast furnace air supply device, in particular to a pressurizing working platform of the blast furnace air supply device.
Background
With the improvement of the conditions of the blast furnace bodies, the high air temperature, the oxygen enrichment rate and the coal injection amount are greatly improved, the smelting strength of the blast furnace is continuously enhanced, particularly the highest air temperature of the improved blast furnace is used to 1250 ℃, the iron works need to consider for long-life furnace protection of the blast furnace, the highest daily output and the utilization coefficient are controlled, the average air temperature is stabilized at about 1210 ℃, with the improvement and progress of the smelting strength and the cost reduction and efficiency improvement technical indexes, particularly the enhancement of smelting, the use of the high air temperature, the oxygen enrichment rate and the top pressure level and the improvement of the furnace body condition, the surface temperature of the blast furnace air supply belly pipe is often increased to more than 350-400 ℃, the phenomenon that the surface temperature of the air supply belly pipe is increased or red is more commonly occurs, the phenomenon that the flange leaks air and redness is often caused by the air supply branch pipe, and the measures such as external air blowing, water cooling and the like are adopted to maintain the production after the whole welding collar is dead and packaging operation only under the condition of reducing air pressure and forced cushion measures are adopted. In the face of the problems of the air supply device, technicians and production backbone personnel analyze and demonstrate the reasons of air leakage, air leakage and blowing pipe redness, and finally find out the reasons of the problems: the current used air supply device is knotted, and the existing construction process does not meet the use requirement of high air temperature.
Disclosure of utility model
The utility model aims to provide the blast furnace air supply device pressurizing working platform which has the advantages of reasonable structural design, novel conception, convenience in operation and capability of pressurizing and detecting leakage on the air supply device before the wire feeding, ensuring that the used air supply device is free from flaws and hidden trouble wire feeding and ensuring the safe and stable operation of the blast furnace air supply device.
The utility model relates to a pressing working platform of a blast furnace air supply device, which comprises a working platform 1, wherein a first movable plate 5 and a second movable plate 15 are fixedly arranged on the surface of the working platform 1, the bottom surfaces of the first movable plate 5 and the second movable plate 15 are arranged in a chute 21, and the chute 21 is arranged on the surface of the working platform 1; a first support frame 10 and a second support frame 13 are fixedly arranged between the first movable plate 5 and the second movable plate 15, a telescopic rod 12 is fixedly arranged on the bottom surfaces of the first support frame 10 and the second support frame 13, the bottom end of the telescopic rod 12 is movably connected with a fixing seat 11, and the fixing seat 11 is fixedly arranged on the surface of the working platform 1; the side wall of the first movable plate 5 is fixedly connected with a mandril I3, and the side wall of the second movable plate 15 is fixedly connected with a mandril II 17.
The surface of the working platform 1 is provided with a first supporting frame 10 and a second supporting frame 13, the surfaces of the first supporting frame 10 and the second supporting frame 13 are used for placing an air supply device 20, and a first movable plate 5 and a second movable plate 15 which are arranged on two sides are used for fixing the air supply device 20, so that the fixing is safe and stable; the bottom end of the telescopic rod 12 is movably connected with a fixed seat 11 which can be used for adjusting the heights of the first support frame 10 and the second support frame 13 respectively, and the proper positions can be adjusted according to the air supply devices 20 with different size requirements, so that the requirements of the air supply devices 20 with different size designs can be met; the first movable plate 5 and the second movable plate 15 can move along the chute 21 at the bottom to fix the air supply device 20 with different size requirements.
The surface of the working platform 1 is fixedly provided with a push rod supporting plate I2 and a push rod supporting plate II 16; the ejector rod I3 penetrates through the ejector rod supporting plate I2 and is in threaded connection with the ejector rod supporting plate I2, and a manual rotating wheel I7 is fixedly arranged at the end part of the ejector rod I3; the ejector rod II 17 penetrates through the ejector rod supporting plate II 16 and is in threaded connection with the ejector rod supporting plate II 16, and a manual rotating wheel II 18 is fixedly arranged at the end part of the ejector rod II 17.
The ejector rod support plate I2 and the ejector rod support plate II 16 that set up can play the effect of supporting ejector rod I3 and ejector rod II 17, improve ejector rod I3 and ejector rod II 17 job stabilization nature, when rotating ejector rod I3 and ejector rod II 17 respectively, ejector rod I3 and ejector rod II 17 rotate along the screw hole that ejector rod support plate I2 and ejector rod support plate II 16 surface set up respectively, first fly leaf 5 and second fly leaf 15 that are connected respectively with ejector rod I3 and ejector rod II 17 tip remove along the spout 21 of bottom for fixing the air supply arrangement 20 of different size requirements, use manpower sparingly simultaneously, save operating time, make the operation more convenient.
The telescopic rod 12 is in threaded connection with the fixed seat 11.
The side wall of the second movable plate 15 is fixedly connected with a sealing rubber plate II 14, and the side wall of the first movable plate 5 is fixedly connected with a sealing rubber plate I6.
The sealing rubber plate II 14 and the sealing rubber plate I6 can be used for fixing the two ends of the air supply device 20, increasing the sealing effect, improving the sealing performance of the air supply device 20 and the detection accuracy, protecting the two ends of the air supply device 20 and preventing the air supply device 20 from being damaged due to rigid collision.
The side walls of the working platform 1 are respectively and fixedly connected with two reinforcing lacing wires I4, the number of the reinforcing lacing wires I4 is two, the reinforcing lacing wires I4 are respectively arranged on two sides of the working platform 1, and the reinforcing lacing wires I are symmetrically arranged along the horizontal central line of the working platform 1; the lateral wall of work platform 1 is fixedly connected with strengthening rib II 19 respectively, and the quantity of strengthening rib II 19 is two, sets up respectively in work platform 1's both sides, sets up along work platform 1's horizontal central line symmetry.
The reinforcing lacing wire I4 and the reinforcing lacing wire II 19 that set up can improve work platform 1's operating stability, plays the effect of stable support to ejector pin backup pad I2 and ejector pin backup pad II 16 simultaneously, has guaranteed the job stabilization nature of ejector pin backup pad I2 and ejector pin backup pad II 16.
The baffle plates 9 are fixedly arranged on the surfaces of the first support frame 10 and the second support frame 13, the number of the baffle plates 9 is four, the number of the surfaces of the first support frame 10 is two, and the number of the surfaces of the second support frame 13 is two.
The baffle plate 9 can protect the air supply device 20, and prevent the air supply device 20 positioned on the surfaces of the first support frame 10 and the second support frame 13 from rolling down to two sides.
The bottom surface of work platform 1 fixed mounting have supporting leg 8.
The surfaces of the first support frame 10 and the second support frame 13 are provided with an air supply device 20, and the surface of the air supply device 20 is fixedly connected with a flange plate 22.
The surface of the first support frame 10 and the surface of the second support frame 13 are provided with an air supply device 20, the surface of the air supply device 20 is fixedly connected with an air supply device gun channel 23, and the end part of the air supply device gun channel 23 is fixedly connected with a flange plate 22.
The arranged air supply device gun channel 23 can be used for coal injection and oxygen delivery; the flange plate 22 is connected with a compressed air soft connecting pipeline in a flange manner, bolts are used for fastening, after connection is finished, compressed air is slowly opened according to the indication of a pressure gauge, after a certain pressure value is reached, pressure maintaining is carried out for 15 minutes, and whether leakage points exist at all positions or not is checked by using soapy water, so that the sealing performance of the air supply device 20 is detected.
The beneficial effects of the utility model are as follows:
1) The surface of the working platform 1 is provided with a first supporting frame 10 and a second supporting frame 13, the surfaces of the first supporting frame 10 and the second supporting frame 13 are used for placing an air supply device 20, and a first movable plate 5 and a second movable plate 15 which are arranged on two sides are used for fixing the air supply device 20, so that the fixing is safe and stable; the bottom end of the telescopic rod 12 is movably connected with a fixed seat 11 which can be used for adjusting the heights of the first support frame 10 and the second support frame 13 respectively, and the proper positions can be adjusted according to the air supply devices 20 with different size requirements, so that the requirements of the air supply devices 20 with different size designs can be met; the first movable plate 5 and the second movable plate 15 can move along the chute 21 at the bottom to fix the air supply device 20 with different size requirements.
2) The ejector rod support plate I2 and the ejector rod support plate II 16 that set up can play the effect of supporting ejector rod I3 and ejector rod II 17, improve ejector rod I3 and ejector rod II 17 job stabilization nature, when rotating ejector rod I3 and ejector rod II 17 respectively, ejector rod I3 and ejector rod II 17 rotate along the screw hole that ejector rod support plate I2 and ejector rod support plate II 16 surface set up respectively, first fly leaf 5 and second fly leaf 15 that are connected respectively with ejector rod I3 and ejector rod II 17 tip remove along the spout 21 of bottom for fixing the air supply arrangement 20 of different size requirements, use manpower sparingly simultaneously, save operating time, make the operation more convenient.
3) The sealing rubber plate II 14 and the sealing rubber plate I6 can be used for fixing the two ends of the air supply device 20, increasing the sealing effect, improving the sealing performance of the air supply device 20 and the detection accuracy, protecting the two ends of the air supply device 20 and preventing the air supply device 20 from being damaged due to rigid collision.
4) The reinforcing lacing wire I4 and the reinforcing lacing wire II 19 that set up can improve work platform 1's operating stability, plays the effect of stable support to ejector pin backup pad I2 and ejector pin backup pad II 16 simultaneously, has guaranteed the job stabilization nature of ejector pin backup pad I2 and ejector pin backup pad II 16.
5) The baffle plate 9 can protect the air supply device 20, and prevent the air supply device 20 positioned on the surfaces of the first support frame 10 and the second support frame 13 from rolling down to two sides.
6) The device has reasonable structural design, low processing and manufacturing cost and good use effect, can press the blast furnace air supply device, improves the use ratio of the air supply device by pressing and detecting leakage, and reduces the production cost; the online safe and stable operation is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
Fig. 2 is a schematic diagram illustrating the connection between the first movable plate and the chute according to the present utility model.
In the figure: work platform 1, ejector pin backup pad I2, ejector pin I3, strengthening tie bar I4, first fly leaf 5, sealing rubber board I6, manual swiveling wheel I7, supporting leg 8, baffle 9, first support frame 10, fixing base 11, telescopic link 12, second support frame 13, sealing rubber board II 14, second fly leaf 15, ejector pin backup pad II 16, ejector pin II 17, manual swiveling wheel II 18, strengthening tie bar II 19, air supply arrangement 20, spout 21, ring flange 22.
Detailed Description
Example 1.
The utility model will be further described with reference to fig. 1 and 2.
The utility model comprises a working platform 1, a push rod supporting plate I2, a push rod I3, a first movable plate 5, a sealing rubber plate I6, a manual rotating wheel I7, a first supporting frame 10, a fixed seat 11, a telescopic rod 12, a second supporting frame 13, a sealing rubber plate II 14, a second movable plate 15, a push rod supporting plate II 16, a push rod II 17, a manual rotating wheel II 18, an air supply device 20, a chute 21 and a flange 22, wherein the specific structure comprises the working platform 1, the surface of the working platform 1 is fixedly provided with the first movable plate 5 and the second movable plate 15, the bottom surfaces of the first movable plate 5 and the second movable plate 15 are arranged in the chute 21, and the chute 21 is arranged on the surface of the working platform 1; a first support frame 10 and a second support frame 13 are fixedly arranged between the first movable plate 5 and the second movable plate 15, a telescopic rod 12 is fixedly arranged on the bottom surfaces of the first support frame 10 and the second support frame 13, the bottom end of the telescopic rod 12 is movably connected with a fixing seat 11, and the fixing seat 11 is fixedly arranged on the surface of the working platform 1; the side wall of the first movable plate 5 is fixedly connected with a mandril I3, and the side wall of the second movable plate 15 is fixedly connected with a mandril II 17.
The surface of the working platform 1 is fixedly provided with a push rod supporting plate I2 and a push rod supporting plate II 16; the ejector rod I3 penetrates through the ejector rod supporting plate I2 and is in threaded connection with the ejector rod supporting plate I2, and a manual rotating wheel I7 is fixedly arranged at the end part of the ejector rod I3; the ejector rod II 17 penetrates through the ejector rod supporting plate II 16 and is in threaded connection with the ejector rod supporting plate II 16, and a manual rotating wheel II 18 is fixedly arranged at the end part of the ejector rod II 17.
The telescopic rod 12 is in threaded connection with the fixed seat 11.
The side wall of the second movable plate 15 is fixedly connected with a sealing rubber plate II 14, and the side wall of the first movable plate 5 is fixedly connected with a sealing rubber plate I6.
The surfaces of the first support frame 10 and the second support frame 13 are provided with an air supply device 20, and the surface of the air supply device 20 is fixedly connected with a flange plate 22.
The using method comprises the following steps: the air supply device 20 is arranged on the surfaces of the first support frame 10 and the second support frame 13, and the first movable plate 5 and the second movable plate 15 which are arranged on the two sides of rotation are used for fixing the air supply device 20, so that the fixing is safe and stable; the telescopic link 12 bottom swing joint has fixing base 11, can be used for adjusting the height of first support frame 10 and second support frame 13 respectively, the air supply device 20 according to different size requirements adjusts suitable position, can satisfy the requirement of different size designs's air supply device 20, when rotatory ejector pin I3 and ejector pin II 17 respectively, ejector pin I3 and ejector pin II 17 rotate along the screw hole that ejector pin backup pad I2 and ejector pin backup pad II 16 surface set up respectively, first fly leaf 5 and second fly leaf 15 that are connected respectively with ejector pin I3 and ejector pin II 17 tip remove along the spout 21 of bottom, be used for fixing the air supply device 20 of different size requirements, the sealed rubber board II 14 and the sealed rubber board I6 that set up this moment can increase sealed effect when fixing the both ends of air supply device 20, carry out sealed fixed through first fly leaf 5 and second fly leaf 15 and sealed rubber board I6 and sealed rubber board II 14, carry out the flange 22 and compressed air soft connection pipeline flange joint, use the bolt fastening, after the connection is accomplished, instruct according to the pressure, open after the pressure gauge, the pressure is reached and the place is used for a little, the pressure is reached and the soap is used for checking the place is reached.
Example 2.
The utility model comprises a working platform 1, an ejector rod supporting plate I2, an ejector rod I3, a reinforcing lacing wire I4, a first movable plate 5, a sealing rubber plate I6, a manual rotating wheel I7, supporting legs 8, a baffle 9, a first supporting frame 10, a fixed seat 11, a telescopic rod 12, a second supporting frame 13, a sealing rubber plate II 14, a second movable plate 15, an ejector rod supporting plate II 16, an ejector rod II 17, a manual rotating wheel II 18, a reinforcing lacing wire II 19, an air supply device 20, a sliding groove 21 and a flange 22, wherein the surface of the working platform 1 is fixedly provided with the first movable plate 5 and the second movable plate 15, the bottom surfaces of the first movable plate 5 and the second movable plate 15 are arranged in the sliding groove 21, and the sliding groove 21 is arranged on the surface of the working platform 1; a first support frame 10 and a second support frame 13 are fixedly arranged between the first movable plate 5 and the second movable plate 15, a telescopic rod 12 is fixedly arranged on the bottom surfaces of the first support frame 10 and the second support frame 13, the bottom end of the telescopic rod 12 is movably connected with a fixing seat 11, and the fixing seat 11 is fixedly arranged on the surface of the working platform 1; the side wall of the first movable plate 5 is fixedly connected with a mandril I3, and the side wall of the second movable plate 15 is fixedly connected with a mandril II 17.
The surface of the working platform 1 is fixedly provided with a push rod supporting plate I2 and a push rod supporting plate II 16; the ejector rod I3 penetrates through the ejector rod supporting plate I2 and is in threaded connection with the ejector rod supporting plate I2, and a manual rotating wheel I7 is fixedly arranged at the end part of the ejector rod I3; the ejector rod II 17 penetrates through the ejector rod supporting plate II 16 and is in threaded connection with the ejector rod supporting plate II 16, and a manual rotating wheel II 18 is fixedly arranged at the end part of the ejector rod II 17.
The telescopic rod 12 is in threaded connection with the fixed seat 11.
The side wall of the second movable plate 15 is fixedly connected with a sealing rubber plate II 14, and the side wall of the first movable plate 5 is fixedly connected with a sealing rubber plate I6.
The surfaces of the first support frame 10 and the second support frame 13 are provided with an air supply device 20, and the surface of the air supply device 20 is fixedly connected with a flange plate 22.
The side walls of the working platform 1 are respectively and fixedly connected with two reinforcing lacing wires I4, the number of the reinforcing lacing wires I4 is two, the reinforcing lacing wires I4 are respectively arranged on two sides of the working platform 1, and the reinforcing lacing wires I are symmetrically arranged along the horizontal central line of the working platform 1; the lateral wall of work platform 1 is fixedly connected with strengthening rib II 19 respectively, and the quantity of strengthening rib II 19 is two, sets up respectively in work platform 1's both sides, sets up along work platform 1's horizontal central line symmetry.
The baffle plates 9 are fixedly arranged on the surfaces of the first support frame 10 and the second support frame 13, the number of the baffle plates 9 is four, the number of the surfaces of the first support frame 10 is two, and the number of the surfaces of the second support frame 13 is two.
The bottom surface of work platform 1 fixed mounting have supporting leg 8.
The use method is the same as that of the embodiment 1, the arranged reinforcing lacing wires I4 and II 19 can improve the operation stability of the working platform 1, and meanwhile, the ejector rod supporting plate I2 and the ejector rod supporting plate II 16 are stably supported, so that the working stability of the ejector rod supporting plate I2 and the ejector rod supporting plate II 16 is ensured. The baffle plate 9 can protect the air supply device 20, and prevent the air supply device 20 positioned on the surfaces of the first support frame 10 and the second support frame 13 from rolling down to two sides.
Claims (8)
1. Work platform is suppressed to blast furnace air supply arrangement, its characterized in that: the device comprises a working platform (1), wherein a first movable plate (5) and a second movable plate (15) are arranged on the surface of the working platform (1), the first movable plate (5) and the second movable plate (15) are movably connected along the surface of the working platform (1), the bottom surfaces of the first movable plate (5) and the second movable plate (15) are arranged in a sliding groove (21), and the sliding groove (21) is arranged on the surface of the working platform (1); a first support frame (10) and a second support frame (13) are fixedly arranged between the first movable plate (5) and the second movable plate (15), a telescopic rod (12) is fixedly arranged on the bottom surfaces of the first support frame (10) and the second support frame (13), a fixed seat (11) is movably connected with the bottom end of the telescopic rod (12), and the fixed seat (11) is fixedly arranged on the surface of the working platform (1); the side wall of the first movable plate (5) is fixedly connected with a push rod I (3), and the side wall of the second movable plate (15) is fixedly connected with a push rod II (17).
2. The blast furnace air supply unit pressing work platform of claim 1, wherein: the surface of the working platform (1) is fixedly provided with a push rod supporting plate I (2) and a push rod supporting plate II (16); the ejector rod I (3) penetrates through the ejector rod supporting plate I (2) and is in threaded connection with the ejector rod supporting plate I (2), and a manual rotating wheel I (7) is fixedly arranged at the end part of the ejector rod I (3); the ejector rod II (17) penetrates through the ejector rod supporting plate II (16) and is in threaded connection with the ejector rod supporting plate II (16), and a manual rotating wheel II (18) is fixedly arranged at the end part of the ejector rod II (17).
3. The blast furnace air supply unit pressing work platform of claim 2, wherein: the telescopic rod (12) is in threaded connection with the fixed seat (11).
4. A blast furnace air supply unit pressing work platform as set forth in claim 3, wherein: the side wall of the second movable plate (15) is fixedly connected with a sealing rubber plate II (14), and the side wall of the first movable plate (5) is fixedly connected with a sealing rubber plate I (6).
5. The blast furnace air supply unit of claim 4, wherein the pressing platform comprises: the side walls of the working platform (1) are respectively and fixedly connected with two reinforcing lacing wires I (4), and the reinforcing lacing wires I (4) are respectively arranged at two sides of the working platform (1) and symmetrically arranged along the horizontal central line of the working platform (1); the lateral wall of work platform (1) is fixedly connected with strengthening rib II (19) respectively, and the quantity of strengthening rib II (19) is two, sets up in the both sides of work platform (1) respectively, sets up along the horizontal central line symmetry of work platform (1).
6. The blast furnace air supply unit of claim 5, wherein the pressing platform comprises: the surface of first support frame (10) and second support frame (13) fixed mounting have baffle (9), and the quantity of baffle (9) is four, and the surface of first support frame (10) sets up to two, and the surface of second support frame (13) sets up to two.
7. The blast furnace air supply unit pressing work platform of claim 6, wherein: the bottom surface of work platform (1) fixedly mounted with supporting leg (8).
8. The blast furnace air supply unit pressing work platform of claim 6, wherein: the surface of first support frame (10) and second support frame (13) be provided with air supply arrangement (20), the surface of air supply arrangement (20) is fixedly connected with ring flange (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321767145.5U CN220951870U (en) | 2023-07-06 | 2023-07-06 | Pressing working platform of blast furnace air supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321767145.5U CN220951870U (en) | 2023-07-06 | 2023-07-06 | Pressing working platform of blast furnace air supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220951870U true CN220951870U (en) | 2024-05-14 |
Family
ID=91009171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321767145.5U Active CN220951870U (en) | 2023-07-06 | 2023-07-06 | Pressing working platform of blast furnace air supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220951870U (en) |
-
2023
- 2023-07-06 CN CN202321767145.5U patent/CN220951870U/en active Active
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