CN212955196U - Weighing device for blast furnace coal powder injection - Google Patents
Weighing device for blast furnace coal powder injection Download PDFInfo
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- CN212955196U CN212955196U CN202021290894.XU CN202021290894U CN212955196U CN 212955196 U CN212955196 U CN 212955196U CN 202021290894 U CN202021290894 U CN 202021290894U CN 212955196 U CN212955196 U CN 212955196U
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Abstract
The utility model belongs to the technical field of weighing device, in particular to a weighing device for blast furnace coal powder injection, which aims at the problems that the prior weighing device is not simple and convenient enough in the using process and needs to be repeatedly weighed to reach more accurate coal powder amount, and the weighed coal powder is easy to be attached to the bucket wall, so that the weighed amount has deviation with the actually used amount and the smelting quality is reduced, the utility model provides a scheme which comprises a weighing bucket and two supporting columns arranged at the outer side of the weighing bucket, wherein one sides of the two supporting columns which are close to each other are respectively provided with a first chute and a second chute, a first slide block and a second slide block are respectively arranged in the first chute and the second chute in a sliding way, the utility model has the advantages of accurate and simple weighing, no need of repeated weighing, and the coal powder is vibrated down from the bucket wall through vibration, so that the weighed amount is consistent with the actually used amount, the smelting quality is improved.
Description
Technical Field
The utility model relates to a weighing device technical field especially relates to a weighing device of blast furnace jetting buggy.
Background
The blast furnace coal powder injection technology is characterized in that cheap non-coking coal is used for partially replacing expensive metallurgical coke, the strengthening smelting and the smooth operation of a blast furnace are facilitated, the technical and economic indexes of the blast furnace can be greatly improved, the obvious economic benefit is achieved, the demand on the coke can be alleviated, the coke consumption is reduced, the pollution of coking production to the environment is reduced, and the like, the quantity of coal powder injected into the blast furnace each time needs to be controlled, and a weighing device is usually used for weighing the coal powder to achieve the purpose of controlling the quantity of the injected coal powder;
however, the existing weighing device is not simple and convenient enough in the using process, the coal powder amount is accurate due to repeated weighing, and the weighed coal powder is easy to attach to the wall of the hopper, so that the weighed amount is deviated from the actually used amount, and the smelting quality is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the current weighing device and often not being simple and convenient enough in the use, need relapse to weigh and reach comparatively accurate buggy volume, and the buggy after weighing is attached to on the wall of a dipper easily to make the volume of weighing out and the volume of in-service use have the deviation, lead to smelting the shortcoming that the quality reduces, and the weighing device of blast furnace jetting buggy that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a weighing device for blast furnace coal powder injection comprises a weighing hopper and two supporting columns arranged on the outer side of the weighing hopper, wherein one side, close to each other, of each supporting column is provided with a first sliding groove and a second sliding groove respectively, a first sliding block and a second sliding block are arranged in each first sliding groove and the second sliding groove in a sliding mode respectively, one side, close to each other, of each first sliding block and one side, close to each second sliding block, of each second sliding block are fixedly connected with the two sides of the weighing hopper respectively, one side, far away from each other, of each supporting column is fixedly connected with a same supporting frame, the top of each supporting frame is fixedly provided with a storage bin, the bottom of each storage bin is communicated with a conveying pipe, the bottom of each conveying pipe extends into the weighing hopper, the outer side of each conveying pipe is provided with a first electromagnetic valve, the bottom of the weighing hopper is communicated with one end of a telescopic material pipe, the other end of the telescopic material pipe, the outside of discharging pipe is provided with second solenoid valve, the one end of the equal fixedly connected with connecting rod in one side that two support columns are close to each other, the same bearing of the other end fixedly connected with of two connecting rods, fixed mounting has the threaded rod on the bearing, the bottom of threaded rod extends to in the weighing hopper and fixedly connected with horizontal pole, a plurality of vibration bars of fixedly connected with on the inner wall of weighing hopper, the vibration bar cooperatees with the horizontal pole, one side fixed mounting of support frame has the PLC controller.
Preferably, the top of the first sliding block and the top of the second sliding block are fixedly connected with one end of a seven-shaped connecting rod, the other end of each of the two seven-shaped connecting rods is fixedly connected with the same threaded block, a threaded hole is formed in the threaded block, a threaded rod is installed in the threaded hole in a threaded mode, and the threaded block can drive the threaded rod to rotate through the threaded hole during displacement.
Preferably, both ends of the cross rod are rotatably connected with the knocking rods, the two knocking rods are fixedly connected with one ends of the first springs, the other ends of the two first springs are fixedly connected with both ends of the cross rod respectively, the knocking rods are matched with the vibration bars, and the first springs can drive the knocking rods to reset.
Preferably, the bottom inner walls of the first sliding groove and the second sliding groove are fixedly connected with one end of a second spring, the other ends of the two second springs are fixedly connected with the bottoms of the first sliding block and the second sliding block respectively, and the two second springs can drive the first sliding block and the second sliding block to reset respectively.
Preferably, a third sliding groove communicated with the second sliding groove is formed in the supporting column, a first contact electrode is fixedly connected to the inner wall of the top of the third sliding groove, a second contact electrode is fixedly connected to the inner wall of the bottom of the third sliding groove, a third contact electrode and a fourth contact electrode are fixedly connected to the other side of the second sliding block, the first contact electrode and the third contact electrode are matched with the second electromagnetic valve, the second contact electrode and the fourth contact electrode are matched with the first electromagnetic valve and the second electromagnetic valve, the first contact electrode and the third contact electrode are in contact, the second electromagnetic valve can be closed through the PLC, and the second contact electrode and the fourth contact electrode are in contact, so that the first electromagnetic valve can be closed through the PLC and the second electromagnetic valve can be opened.
Compared with the prior art, the utility model has the advantages of:
(1) according to the scheme, the spring is matched with the first sliding block and the second sliding block, and the second contact electrode and the fourth contact electrode are matched with the PLC, so that when the weight of the pulverized coal in the weighing hopper reaches a specified amount, the first electromagnetic valve can be automatically closed and the second electromagnetic valve can be opened through the PLC, and the use is convenient;
(2) according to the scheme, the vibrating bar is matched with knocking, and the threaded block is matched with the threaded rod through the threaded hole, so that the knocking block can knock the vibrating bar continuously along with the ascending or descending of the weighing hopper, the weighing hopper is vibrated, and pulverized coal is prevented from being attached to the wall of the hopper to influence the smelting of a blast furnace;
the utility model discloses weigh comparatively accurate and simple and convenient, need not relapse to weigh, and shake the buggy from the fill wall through the vibration and fall to make the volume of weighing out unanimous with the volume that the in-service use used, promote the quality of smelting.
Drawings
FIG. 1 is a schematic structural view of a weighing device for pulverized coal injection in a blast furnace according to the present invention;
FIG. 2 is an enlarged schematic structural view of the portion A in FIG. 1 of the weighing device for injecting pulverized coal into a blast furnace according to the present invention;
fig. 3 is a schematic structural view of a cross bar of the weighing device for blowing pulverized coal in a blast furnace.
In the figure: the device comprises a weighing hopper 1, a supporting column 2, a first sliding block 3, a second sliding block 4, a supporting frame 5, a bin 6, a material conveying pipe 7, a first electromagnetic valve 8, a telescopic material pipe 9, a material discharging pipe 10, a pulverized coal spraying pipe 11, a blowing fan 12, a connecting rod 13, a bearing 14, a threaded rod 15, a cross rod 16, a vibrating rod 17, a PLC (programmable logic controller) 18, a connecting rod shaped like a Chinese character 'qi', a threaded block 20, a knocking rod 21, a first spring 22, a second spring 23, a first contact electrode 24, a second contact electrode 25, a third contact electrode 26, a fourth contact electrode 27 and a second electromagnetic valve 28.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Example one
Referring to fig. 1-3, a weighing device for blast furnace coal powder injection comprises a weighing hopper 1 and two supporting columns 2 arranged outside the weighing hopper 1, wherein one side of each supporting column 2, which is close to each other, is respectively provided with a first chute and a second chute, a first sliding block 3 and a second sliding block 4 are respectively arranged in the first chute and the second chute in a sliding manner, one side of each first sliding block 3 and one side of each second sliding block 4, which are close to each other, are respectively fixedly connected with two sides of the weighing hopper 1, one side of each supporting column 2, which is far away from each other, is fixedly connected with a same supporting frame 5, the top of the supporting frame 5 is fixedly provided with a bin 6, the bottom of the bin 6 is communicated with a material conveying pipe 7, the bottom end of the material conveying pipe 7 extends into the weighing hopper 1, a first electromagnetic valve 8 is arranged outside the material conveying pipe 7, the bottom of the weighing hopper 1 is communicated with one end of a telescopic material pipe 9, and the other, another end of discharging pipe 10 is led to and is had jetting buggy pipe 11, the one end of jetting buggy pipe 11 is provided with jetting fan 12, the outside of discharging pipe 10 is provided with second solenoid valve 28, the one end of the equal fixedly connected with connecting rod 13 in one side that two support columns 2 are close to each other, the same bearing 14 of the other end fixedly connected with of two connecting rod 13, fixed mounting has threaded rod 15 on the bearing 14, the bottom of threaded rod 15 extends to in the weighing hopper 1 and fixedly connected with horizontal pole 16, a plurality of vibrating bars 17 of fixedly connected with on the inner wall of weighing hopper 1, vibrating bar 17 cooperatees with horizontal pole 16, one side fixed mounting of support frame 5 has PLC controller 18.
In this embodiment, the top of the first slider 3 and the top of the second slider 4 are fixedly connected with one end of the seven-shaped connecting rod 19, the other end of the two seven-shaped connecting rods 19 is fixedly connected with the same threaded block 20, a threaded hole is formed in the threaded block 20, the threaded rod 15 is installed in the threaded hole in a threaded manner, and the threaded rod 15 can be driven to rotate through the threaded hole when the threaded block 20 displaces.
In this embodiment, both ends of horizontal pole 16 all rotate to be connected with strikes pole 21, and equal fixedly connected with first spring 22's one end is beaten on two strike poles 21, and two first spring 22's the other end respectively with the both ends fixed connection of horizontal pole 16, strikes pole 21 and vibration bar 17 and cooperatees, and first spring 22 can drive strikes pole 21 and resets.
In this embodiment, equal fixedly connected with second spring 23's one end on the bottom inner wall of first spout and second spout, two second spring 23's the other end respectively with first slider 3 and second slider 4's bottom fixed connection, two second springs 23 can drive first slider 3 and second slider 4 respectively and reset.
In this embodiment, the supporting column 2 is provided with a third sliding groove communicated with the second sliding groove, the top inner wall of the third sliding groove is fixedly connected with a first contact electrode 24, the bottom inner wall of the third sliding groove is fixedly connected with a second contact electrode 25, the other side of the second sliding block 4 is fixedly connected with a third contact electrode 26 and a fourth contact electrode 27, the first contact electrode 24 and the third contact electrode 26 are matched with a second electromagnetic valve 28, the second contact electrode 25 and the fourth contact electrode 27 are matched with a first electromagnetic valve 8 and a second electromagnetic valve 28, the first contact electrode 24 and the third contact electrode 26 are in contact, the second electromagnetic valve 28 can be closed through the PLC controller 18, and the second contact electrode 25 and the fourth contact electrode 27 are in contact, the first electromagnetic valve 8 can be closed through the PLC controller 18, and the second electromagnetic valve 28 can be opened.
Example two
Referring to fig. 1-3, a weighing device for blast furnace coal powder injection comprises a weighing hopper 1 and two supporting columns 2 arranged outside the weighing hopper 1, wherein one side of each supporting column 2, which is close to each other, is respectively provided with a first chute and a second chute, a first sliding block 3 and a second sliding block 4 are respectively arranged in the first chute and the second chute in a sliding manner, one side of each first sliding block 3 and one side of each second sliding block 4, which are close to each other, are respectively fixedly connected with two sides of the weighing hopper 1 through welding, one side of each supporting column 2, which is far away from each other, is fixedly connected with a same supporting frame 5 through welding, the top of the supporting frame 5 is fixedly provided with a bin 6 through bolts, the bottom of the bin 6 is communicated with a feed pipe 7, the bottom end of the feed pipe 7 extends into the weighing hopper 1, the outer side of the feed pipe 7 is provided with a first electromagnetic valve 8, the bottom of the weighing hopper 1 is, the other end of flexible material pipe 9 is led to the one end that has discharging pipe 10, the other end of discharging pipe 10 is led to has jetting buggy pipe 11, the one end of jetting buggy pipe 11 is provided with jetting fan 12, the outside of discharging pipe 10 is provided with second solenoid valve 28, the equal fixedly connected with connecting rod 13's in one side that two support columns 2 are close to each other one end, the same bearing 14 of the other end of two connecting rods 13 through welded fastening connection, there is threaded rod 15 through welded fastening installation on the bearing 14, the bottom of threaded rod 15 extends to in the weighing hopper 1 and through welded fastening connection have horizontal pole 16, through a plurality of vibrating bars 17 of welded fastening connection on the inner wall of weighing hopper 1, vibrating bar 17 cooperatees with horizontal pole 16, there is PLC controller 18 one side of support frame 5 through screw fixed mounting.
In this embodiment, the top of first slider 3 and second slider 4 is all through the one end of welded fastening connection seven font connecting rod 19, and the other end of two seven font connecting rods 19 is through the same thread piece 20 of welded fastening connection, has seted up threaded hole on the thread piece 20, and threaded rod 15 threaded mounting can drive threaded rod 15 through the threaded hole and rotate during the displacement of thread piece 20 in the threaded hole.
In this embodiment, both ends of horizontal pole 16 all are connected with through articulated rotation and strike pole 21, all pass through welded fastening and be connected with the one end of first spring 22 on two strike poles 21, and the other end of two first springs 22 passes through welded fastening with the both ends of horizontal pole 16 respectively and is connected, strikes pole 21 and vibration bar 17 and cooperatees, and first spring 22 can drive strikes pole 21 and resets.
In this embodiment, all be connected with the one end of second spring 23 through welded fastening on the bottom inner wall of first spout and second spout, the other end of two second springs 23 respectively with the bottom of first slider 3 and second slider 4 through welded fastening is connected, two second springs 23 can drive first slider 3 and second slider 4 respectively and reset.
In this embodiment, the supporting column 2 is provided with a third sliding groove communicated with the second sliding groove, the top inner wall of the third sliding groove is fixedly connected with a first contact electrode 24, the bottom inner wall of the third sliding groove is fixedly connected with a second contact electrode 25, the other side of the second sliding block 4 is fixedly connected with a third contact electrode 26 and a fourth contact electrode 27, the first contact electrode 24 and the third contact electrode 26 are matched with a second electromagnetic valve 28, the second contact electrode 25 and the fourth contact electrode 27 are matched with a first electromagnetic valve 8 and a second electromagnetic valve 28, the first contact electrode 24 and the third contact electrode 26 are in contact, the second electromagnetic valve 28 can be closed through the PLC controller 18, and the second contact electrode 25 and the fourth contact electrode 27 are in contact, the first electromagnetic valve 8 can be closed through the PLC controller 18, and the second electromagnetic valve 28 can be opened.
In the embodiment, when the weighing system is used, the first electromagnetic valve 8 is opened through the PLC controller 18, so that coal powder in the bin 6 enters the weighing hopper 1 through the conveying pipe 7, the weighing hopper 1 moves downwards along with the increase of the coal powder and drives the first sliding block 3 and the second sliding block 4 to move downwards in the first sliding chute and the second sliding chute, and the second spring 23 is deformed, meanwhile, the first sliding block 3 and the second sliding block 4 drive the seven-shaped connecting rod 19 to move, the seven-shaped connecting rod 19 drives the threaded block 20 to move, the threaded block 20 drives the threaded rod 15 to rotate through the threaded hole, the threaded rod 15 drives the cross rod 16 to rotate, the cross rod 16 drives the knocking rod 21 to continuously collide with the vibrating rod 17 and reset through the deformation of the first spring 22, simultaneously, the vibration generated by the vibrating rod 17 is transmitted to the weighing hopper 1, the coal powder in the weighing hopper 1 is prevented from being attached to the hopper wall until the fourth contact electrode 27 is contacted with the second contact electrode 25, and an electric signal is transmitted to the PLC controller 18, the PLC 18 controls the first electromagnetic valve 8 to be closed and the second electromagnetic valve 28 to be opened, coal powder falls into the coal powder injection pipe 11 through the telescopic material pipe 9 and the discharge pipe 10, the weight of the weighing hopper 1 is reduced, the second spring 23 indirectly drives the weighing hopper 1 to move upwards and reset, the cross rod 16 rotates reversely at the moment and enables the knocking rod 21 to collide with the vibrating rod 17, vibration is generated to prevent the coal powder from attaching to the wall of the hopper until the coal powder completely enters the coal powder injection pipe 11, the third contact electrode 26 is in contact with the first contact electrode 24 and generates an electric signal at the moment, the PLC 18 controls the second electromagnetic valve 28 to be closed, and the coal powder is injected into the blast furnace through the injection fan 12.
The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.
Claims (5)
1. A weighing device for blast furnace coal powder injection comprises a weighing hopper (1) and two supporting columns (2) arranged on the outer side of the weighing hopper (1), and is characterized in that one side, close to each other, of each of the two supporting columns (2) is respectively provided with a first sliding chute and a second sliding chute, a first sliding block (3) and a second sliding block (4) are respectively arranged in the first sliding chutes and the second sliding chutes in a sliding manner, one side, close to each other, of each of the first sliding blocks (3) and the second sliding blocks (4) is respectively fixedly connected with two sides of the weighing hopper (1), one side, far away from each other, of each of the two supporting columns (2) is fixedly connected with a same supporting frame (5), the top of each supporting frame (5) is fixedly provided with a bin (6), the bottom of each bin (6) is communicated with a conveying pipe (7), the bottom end of each conveying pipe (7) extends into the weighing hopper (1), and the outer side of each conveying, the bottom of the weighing hopper (1) is communicated with one end of a telescopic material pipe (9), the other end of the telescopic material pipe (9) is communicated with one end of a discharge pipe (10), the other end of the discharge pipe (10) is communicated with an injection pulverized coal pipe (11), one end of the injection pulverized coal pipe (11) is provided with an injection fan (12), the outer side of the discharge pipe (10) is provided with a second electromagnetic valve (28), one sides of two support columns (2) which are close to each other are fixedly connected with one end of a connecting rod (13), the other ends of the two connecting rods (13) are fixedly connected with the same bearing (14), a threaded rod (15) is fixedly installed on the bearing (14), the bottom end of the threaded rod (15) extends into the weighing hopper (1) and is fixedly connected with a cross rod (16), the inner wall of the weighing hopper (1) is fixedly connected with a plurality of vibration bars (17), and the vibration bars (17), one side of the support frame (5) is fixedly provided with a PLC (programmable logic controller) (18).
2. The weighing device for the pulverized coal injected into the blast furnace according to claim 1, wherein the tops of the first sliding block (3) and the second sliding block (4) are fixedly connected with one end of a seven-shaped connecting rod (19), the other ends of the two seven-shaped connecting rods (19) are fixedly connected with the same threaded block (20), a threaded hole is formed in the threaded block (20), and the threaded rod (15) is installed in the threaded hole in a threaded manner.
3. The weighing device for the pulverized coal injected into the blast furnace according to claim 1, wherein knocking rods (21) are rotatably connected to both ends of the cross rod (16), one ends of first springs (22) are fixedly connected to both knocking rods (21), the other ends of the first springs (22) are fixedly connected to both ends of the cross rod (16), and the knocking rods (21) are matched with the vibration bars (17).
4. The weighing device for the pulverized coal injected into the blast furnace according to claim 1, wherein one end of each of the second springs (23) is fixedly connected to the inner walls of the bottoms of the first chute and the second chute, and the other ends of the two second springs (23) are fixedly connected to the bottoms of the first sliding block (3) and the second sliding block (4) respectively.
5. The weighing device for the pulverized coal injected into the blast furnace according to claim 1, wherein a third chute communicated with the second chute is formed in the supporting column (2), a first contact electrode (24) is fixedly connected to the inner wall of the top of the third chute, a second contact electrode (25) is fixedly connected to the inner wall of the bottom of the third chute, a third contact electrode (26) and a fourth contact electrode (27) are fixedly connected to the other side of the second slider (4), the first contact electrode (24) and the third contact electrode (26) are matched with the second electromagnetic valve (28), and the second contact electrode (25) and the fourth contact electrode (27) are matched with the first electromagnetic valve (8) and the second electromagnetic valve (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021290894.XU CN212955196U (en) | 2020-07-03 | 2020-07-03 | Weighing device for blast furnace coal powder injection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021290894.XU CN212955196U (en) | 2020-07-03 | 2020-07-03 | Weighing device for blast furnace coal powder injection |
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| CN212955196U true CN212955196U (en) | 2021-04-13 |
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| CN202021290894.XU Active CN212955196U (en) | 2020-07-03 | 2020-07-03 | Weighing device for blast furnace coal powder injection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116875751A (en) * | 2023-09-08 | 2023-10-13 | 稷山县铭福钢铁制品有限公司 | Device for reducing coke ratio of blast furnace and operation method thereof |
-
2020
- 2020-07-03 CN CN202021290894.XU patent/CN212955196U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116875751A (en) * | 2023-09-08 | 2023-10-13 | 稷山县铭福钢铁制品有限公司 | Device for reducing coke ratio of blast furnace and operation method thereof |
| CN116875751B (en) * | 2023-09-08 | 2023-11-14 | 稷山县铭福钢铁制品有限公司 | Device for reducing coke ratio of blast furnace and operation method thereof |
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Address after: 265600 1-105, West linmen City, Haiyue City, 289 Nanguan Road, Dengzhou street, Penglai District, Yantai City, Shandong Province Patentee after: Shandong Kunxiang Energy Co.,Ltd. Address before: 265600 1-105, West linmen City, Haiyue City, 289 Nanguan Road, Dengzhou street, Penglai City, Yantai City, Shandong Province Patentee before: Penglai Kunxiang Energy Technology Co.,Ltd. |