CN111910031A - Hanging adjusting device for tapping machine of blast furnace and using method - Google Patents
Hanging adjusting device for tapping machine of blast furnace and using method Download PDFInfo
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- CN111910031A CN111910031A CN202010718646.9A CN202010718646A CN111910031A CN 111910031 A CN111910031 A CN 111910031A CN 202010718646 A CN202010718646 A CN 202010718646A CN 111910031 A CN111910031 A CN 111910031A
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- 238000010079 rubber tapping Methods 0.000 title claims abstract description 155
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000010935 stainless steel Substances 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 32
- 230000008569 process Effects 0.000 description 17
- 229910052742 iron Inorganic materials 0.000 description 16
- 239000003921 oil Substances 0.000 description 13
- 238000005452 bending Methods 0.000 description 11
- 239000002893 slag Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 244000137852 Petrea volubilis Species 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
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- 238000005553 drilling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- 238000011900 installation process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/12—Opening or sealing the tap holes
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- Materials Engineering (AREA)
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- Organic Chemistry (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention provides a hanging adjusting device of a blast furnace tapping machine and a using method thereof, wherein the hanging adjusting device of the blast furnace tapping machine comprises: the U-shaped structure comprises a U-shaped frame and a nut, the U-shaped frame comprises a U-shaped frame bottom and two U-shaped frame side portions, and the U-shaped frame bottom is connected to the bottom ends of the two U-shaped frame side portions; the U-shaped frame is sleeved outside the tapping machine main body when in use; the thread part is arranged at the top ends of the side parts of the two U-shaped frames; the threaded part is arranged in a circular hole of the bottom plate of the tapping machine in a penetrating mode in use; the nut is in threaded connection with the threaded portion, and the nut limits the bottom plate of the tapping machine. According to the invention, only 2 nuts need to be disassembled and assembled, so that the disassembling and assembling time can be greatly shortened, the disassembling and assembling time of the tapping machine device can be shortened by 2/3, and the tapping machine can be replaced and maintained through online maintenance, so that the flexibility is better.
Description
Technical Field
The invention belongs to the technical field of tapping machine adjustment, and particularly relates to a hanging adjusting device for a tapping machine of a blast furnace and a using method.
Background
In the production process of the blast furnace, the tapping machine device is a key device in the production of the blast furnace, the tapping machine is arranged near the taphole and is baked by high-temperature iron slag at the taphole for a long time, and the working condition is extremely poor. Some parts of the tapping machine are exposed in a high-temperature environment and can be deformed when being heated, such as an internal screw of the tapping machine. The working condition of the tapping machine directly influences the discharge amount of molten iron and slag during tapping of the blast furnace. When the tapping machine works abnormally, the tapped iron notch is shallow, and can not be opened to cause oxygen burning at the iron notch when the tapping machine works abnormally, slag iron in the furnace can not be discharged effectively in time, and the wind in the furnace is severe; if the abnormality of the multi-furnace tapping machine cannot be processed in time, the long-term discharge of slag iron in the furnace is not smooth, the condition of the blast furnace is abnormal, and the technical and economic indexes are deteriorated. When the tapping machine fails and cannot work normally, the tapping machine device needs to be overhauled and replaced immediately.
At present, 6 inscription screws are usually adopted to fix the tapping machine device, and the tapping machine device is fixed through the inscription screws, so that the structure is simple, and the production requirements can be met. However, when the tapping machine is overhauled and disassembled, the internal screw of the tapping machine is easy to deform and is extremely difficult to disassemble. Even if corresponding maintenance is carried out after the disassembly, the situation that the screw is deformed and extremely difficult to fix when the opener device is repaired and returned can be found. Therefore, the fixing mode of the existing tapping machine device makes the whole dismounting and mounting process very time-consuming, and further causes that the blast furnace can not be opened in time to discharge iron, and the blast furnace is forced to be slow-ventilated, thereby generating adverse effect on production.
To these drawbacks, the connection fixed mode of tapping machine urgent need to change to can dismantle, overhaul and install the tapping machine device fast, reach the purpose of quick replacement fault equipment, furthest's reduction fault equipment is to the influence of production.
Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
Disclosure of Invention
The invention aims to provide a hanging adjusting device of a tapping machine of a blast furnace and a using method thereof, which are used for solving the technical problems when the tapping machine is fixed by an internal screw in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
a hanging adjusting device for a blast furnace tapping machine comprises:
a U-shaped structure, the U-shaped structure comprising:
the U-shaped frame comprises a U-shaped frame bottom and two U-shaped frame side parts, and the U-shaped frame bottom is connected to the bottom ends of the two U-shaped frame side parts; the U-shaped frame is sleeved outside the tapping machine main body when in use;
the thread parts are arranged at the top ends of the side parts of the two U-shaped frames; the threaded part is arranged in a circular hole of the bottom plate of the tapping machine in a penetrating mode in use;
the nut is in threaded connection with the threaded portion, and the nut limits the bottom plate of the tapping machine.
Preferably, the hanging and adjusting device of the blast furnace tapping machine further comprises a backing plate, the backing plate is used for being fixed on the base plate of the tapping machine, two holes are formed in the backing plate, the holes are communicated with the round holes of the base plate of the tapping machine to form communicating holes, the communicating holes are sleeved on the threaded portions, and the nuts are matched with the backing plate in a blocking mode.
Preferably, the threaded part is a threaded rod, and the threaded rod and the side part of the U-shaped frame are formed in a split mode and fixedly connected.
Preferably, the fixed connection of the threaded rod and the side part of the U-shaped frame is tangent plane contact welding.
Preferably, the welding is carried out at the fixed connection position of the threaded rod and the U-shaped frame.
Preferably, the U-shaped frame is made of round steel made of common materials; the threaded rod and the nut are stainless steel.
Preferably, a hanging rod is arranged on the base plate of the tapping machine, one end of the hanging rod is connected with the base plate of the tapping machine, the other end of the hanging rod is connected with a pulley, and the pulley is arranged in a track; the pulley slides in the track to drive the opening machine bottom plate to move.
The invention also provides a using method of the hanging adjusting device of the blast furnace tapping machine, which comprises the following steps:
step 1, manufacturing a U-shaped structure, wherein the U-shaped structure comprises a U-shaped frame and a threaded part, the U-shaped frame comprises a U-shaped frame bottom and two U-shaped frame side parts, and the U-shaped frame bottom is connected to the bottom ends of the two U-shaped frame side parts; the thread part is arranged at the top ends of the side parts of the two U-shaped frames;
step 2, the threaded part is arranged in a circular hole of the bottom plate of the tapping machine in a penetrating mode;
and 3, connecting a nut with the thread part in a threaded manner, and limiting and fixing the bottom plate of the tapping machine by the nut.
Preferably, in step 3, a backing plate is fixed on the bottom plate of the tapping machine, and then a nut is screwed with the threaded part.
Compared with the closest prior art, the technical scheme provided by the invention has the following excellent effects:
1. according to the hanging adjusting device for the tapping machine of the blast furnace, the internal connection type fixing of the tapping machine device in the prior art is changed into the external connection type fixing, so that the hanging adjusting device is simple in structure, when the hanging adjusting device is disassembled and assembled, compared with the hanging adjusting device which is formed by 6 internal connection screw adjusting devices, only 2 screw caps are required to be disassembled and assembled, the disassembling and assembling time can be greatly shortened, 2/3 can be shortened, the tapping machine can be replaced and overhauled through online overhauling, and therefore the hanging adjusting device is better in flexibility.
2. The hanging adjusting device of the blast furnace tapping machine is fixed on the bottom plate of the tapping machine by additionally arranging the base plate, so that a good fixing effect can be achieved, and the bottom plate is ensured not to deform easily.
3. The utility model provides a threaded rod and the fashioned fixed connection mode of U type frame lateral part components of a whole that can function independently for structure processing is convenient, and in the time of processing production, different materials are used to different parts of assurance that can be fine, thereby reduces holistic manufacturing cost. And the welding is carried out at the fixed connection part of the two parts, so that the stability and the reliability of the fixation can be further ensured.
4. The hanging adjusting device of the tapping machine of the blast furnace has the advantages of simple structure, simple process of disassembling and assembling the tapping machine, less time consumption and flexible adjustment. The maintenance work of the blast furnace tapping machine device can be completed on line in the production process of the blast furnace, a technical means of quick and efficient maintenance is provided for the blast furnace tapping machine, the guarantee is improved for the normal work of the tapping machine and the smooth discharge of slag iron in the blast furnace, and the support is provided for the stable production and smooth running of the blast furnace.
Drawings
While the accompanying drawings, which form a part of this application and are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, it is to be understood that the drawings described herein are for illustrative purposes only and are not intended to limit the invention to the precise embodiments disclosed. Wherein:
FIG. 1 is a cross-sectional view of a hanging adjustment device of a tapping machine according to the present invention;
FIG. 2 is a partial schematic view of a hanging adjustment device of a tapping machine according to the present invention.
Description of reference numerals: 1. a base plate; 2. a tapping machine bottom plate; 3. a threaded rod; 4. a tapping machine body; 5. a U-shaped frame; 51. the bottom of the U-shaped frame; 52. a U-shaped frame side part; 6. an oil valve; 7. an oil delivery pipe; 8. pulley, 9, boom, 10, rail.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. The various examples are provided by way of explanation of the invention, and not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit thereof. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected," "connected," and "disposed" as used herein are intended to be broadly construed, and may include, for example, fixed and removable connections; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.
The technical scheme of the application is described in detail in the following with reference to the attached drawings 1 and 2:
the utility model provides a blast furnace tapping machine hangs adjusting device, the tapping machine device that adjusts includes tapping machine main part 4 and tapping machine bottom plate 2, and the tapping machine bottom plate is in the tapping machine frame below, so called the bottom plate. The tapping machine body 4 is fixed on the tapping machine bottom plate 2 by using a U-shaped structure, so that the tapping machine body 4 is fastened. The tapping machine is positioned near the blast furnace taphole, the tapping machine main body 4 provides power for the tapping machine, and the tapping machine smoothly opens the blast furnace taphole under the action of the tapping machine main body 4; a tapping machine base plate 2 is arranged below a tapping machine frame, and a tapping machine main body 4 is fixed on the base plate 2 through a U-shaped frame made of phi 30 round steel, so that locking and fixing of the tapping machine main body are achieved. The utility model provides a tapping machine device bottom is provided with pulley 8, and is concrete, and tapping machine bottom plate 2 passes through jib 9 and pulley 8 fixed connection, and pulley 8 sets up in track 10, along with pulley 8 moves in track 10, and the tapping machine device also moves under the linkage effect of jib 9 to accomplish the opening of iron mouthful, close the motion.
The tapping machine device still includes oil valve 6 and defeated oil pipe 7, oil valve 6 sets up the left lower extreme at tapping machine main part 4, it is even as an organic whole with tapping machine main part 4, in this embodiment, because the hydraulic system that uses, consequently, the oil in the defeated oil pipe 7 is hydraulic oil, hydraulic system is provided with the corresponding oil pump in the control chamber, hydraulic oil motion in defeated oil pipe 7 of oil pump work drive, oil valve 6 opens this moment, flow into the tapping machine main part with the hydraulic oil in defeated oil pipe 7 in, the pivot of drive tapping machine main part right-hand member rotates, thereby it is axial motion to drive the tapping machine main part, bore the stemming of iron notch department, simultaneously through the chain on tapping machine main part 4, drive tapping machine device moves forward, the hydraulic oil that provides through the oil pump promptly provides driven power for tapping machine device work.
The hanging adjusting device of the blast furnace tapping machine shown in figure 1 comprises a U-shaped structure, a base plate and a nut; the U-shaped structure comprises a U-shaped frame 5 and a threaded rod 3.
The U-shaped frame 5 is made by bending round steel, the bent U-shaped frame 5 comprises a U-shaped frame bottom 52 and two U-shaped frame side parts 51, and the U-shaped frame bottom 52 is connected to the bottom ends of the two U-shaped frame side parts 51. The U-shaped frame sides 51 have a length L2 and the U-shaped frame bottom 52 has a length L3, wherein L2 × 2+ L3 is L, and L is the total length of the U-shaped frame 5. Generally, a technician selects the U-shaped frame 5 with the length of L0, and L0 is greater than L, so that the operability of the worker can be improved on the basis of meeting the relationship, namely, when the U-shaped frame 5 selects the length of L0, the length of the U-shaped frame 5 has safety margin, the requirement on the worker can be reduced, and when the bending is finished, the extra length is sawn off. In other embodiments, round steel with a length of L may be used as it is for bending, which requires a high industrial requirement for bending and requires a corresponding bending process at a precise position.
In the embodiment of the invention, the U-shaped frame 5 is made of round steel made of common materials, so that the cost can be saved. The round steel made of the common material has the diameter D of phi 30 and the length L0 of 700 mm. The specific bending process of the U-shaped frame 5 is as follows:
(1) selecting a common phi 30 round steel, and cutting out the round steel to obtain a length L0 of 700 mm;
(2) bending the round steel 200mm away from the two ends of the round steel respectively, and ensuring that the length L3 of the bottom 52 of the U-shaped frame is 300mm in the bending process;
(3) after the round steel is bent, sawing off redundant parts at two ends of the side part 51 of the U-shaped frame by using a hacksaw, and ensuring that the length L2 of the side part 51 of the U-shaped frame is 175 mm; i.e. the horizontal distance from the two ends of the U-shaped frame side 51 to the U-shaped frame bottom 52 is 175 mm.
Through the above bending process, the total length L of the U-shaped frame 5 in this embodiment is 650mmm, wherein the length L2 of the side portion 51 of the U-shaped frame is 175mm, and the length L3 of the bottom portion 52 of the U-shaped frame is 300 mm.
It should be understood that the above description of the bending process of the U-shaped frame 5 is only exemplary, and the bending process is not limited in the embodiments of the present application as long as the size of the bent U-shaped frame meets the actual requirement.
In the embodiment, the U-shaped frame 5 is an integrally formed structure, the integrally formed structure has good stability, and a fixing part is not required to be connected, so that the cost can be saved; as another embodiment, the three parts of the U-shaped frame 5 may also be three mutually independent parts, and the three independent parts are connected and fixed to form a complete U-shaped frame 5, so that the time and the production cost of the installation process are increased by the fixed connection, but the three independent structures are convenient to process.
It should be noted that the length L and the diameter D of the U-shaped frame 5 may meet the size requirement of the structure of the opening machine device used cooperatively, that is, the length L and the diameter D of the U-shaped frame 5 which can meet the adjustment requirement are set according to the size of the adjusted structure of the opening machine device. In this application, the round steel chooses for use ordinary material, as other embodiments, also can choose for use alloy steel etc..
The top end of the side part 51 of the U-shaped frame is provided with a threaded part, and the threaded part can be directly arranged on the outer circular surface of the top end of the side part of the U-shaped frame 5, namely the threaded part and the U-shaped frame 5 are of an integrally formed U-shaped structure; the screw portion may be a screw structure having a screw, and may be a U-shaped structure formed separately from the U-shaped frame 5.
In this embodiment, screw portion is the threaded rod, threaded rod and U type frame lateral part components of a whole that can function independently fixed connection, two U type frame lateral part 51's top respectively with two 3 fixed connection of threaded rod promptly, threaded rod 3 is tangent plane contact welding with U type frame lateral part 51's junction, then uses the billet to add the welding to U type frame lateral part 51 and 3 junctions of threaded rod, guarantees that U type frame 5 and threaded rod 3's welding department is firmer, and then makes the U type structure of tapping machine hanging adjusting device more stable. Wherein, the length of the threaded rod is L1.
Specifically, an example of the procedure for fixing the top end of the side portion 51 of the U-shaped frame to the two threaded rods 3 is given below, with the length L1 of the threaded rod being 145mm as a standard, and the procedure is as follows:
(1) a4 stainless steel material is selected for use, the specification is threaded rod 3 of M30, and the intercepting length is 180 mm.
(2) The top ends of the two U-shaped frame side parts 51 are respectively welded with the two threaded rods 3 in a tangent contact mode.
(3) And then four steel bars with the specification of 10mm multiplied by 5mm and A4 stainless steel are used for welding the contact part of the U-shaped frame side part 51 and the threaded rod 3, so as to ensure that the welding part is firmer.
(4) And after welding, sawing off the redundant part of the threaded rod 3 connected with the top end of the side part 51 of the U-shaped frame by using a hacksaw, and ensuring that the length of the threaded rod 3 is 145 mm.
(5) After the cutting of the threaded rod 3 is finished, the saw cut end of the threaded rod 3 is polished by using sand paper, and the port is guaranteed to be smooth.
Because the threaded rod chooses the stainless steel for use, so the screw (line part) of threaded rod 3 does not take place deformation under high temperature state, makes threaded rod 3's welding quality good, and the nut can carry out better connection and separation, dismantlement and simple to operate with threaded rod 3's screw moreover.
It is to be understood that the above description of the connection fixing process is only exemplary, and the connection fixing process is not limited by the embodiments of the present application.
The U-shaped structure is fixed on a base plate 2 of the opening machine device, namely the U-shaped structure is fixed on the base plate 2 of the opening machine device through two nuts and a base plate 1, and the nuts limit the base plate of the opening machine device. Wherein, the backing plate 1 is made of stainless steel with the specification of 350mm multiplied by 60mm multiplied by 5 mm. At horizontal direction apart from both ends 25mm, vertical direction apart from both ends 30mm department, use phi 30's electric drill trompil to it is smooth to use abrasive paper to polish the drilling. The hole that sets up on backing plate 1 is the threaded rod 3 that is used for wearing to establish U type structure, and simultaneously, two round holes have also been seted up to tapping machine bottom plate 2, and the round hole on tapping machine bottom plate 2 communicates with the hole correspondence of backing plate 1.
The tapping machine main body 4 of the tapping machine device is positioned in the U-shaped structure, and the tapping machine base plate 2 is close to the opening end of the U-shaped structure, namely, the U-shaped structure and the tapping machine base plate 2 form a square-shaped structure after being fixed, and the tapping machine main body 4 is fixed in the square-shaped structure. Backing plate 1 sets up on tapping machine bottom plate 2, then twists on threaded rod 3 through the nut, makes the nut compress tightly on backing plate 1 to realize the fixed of U type structure and tapping machine bottom plate 2.
In this embodiment, the backing plate 1 is stainless steel, and the backing plate 1 made of stainless steel can not deform under the high temperature state, and the round hole does not have the phenomenon of zooming, so that the threaded rod 3 can be ensured to smoothly pass through the gap of the backing plate 1. The nut is made of A4 stainless steel with the specification of M30, and the inner thread of the nut can be guaranteed not to deform at a high temperature.
Preferably, two stainless steel gaskets are placed at the positions of the nut and the threaded rod, specifically, the stainless steel gaskets are placed on the base plates 1 of the nut and the threaded rod, and the stainless steel gaskets are arranged to play a role in fixing.
It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention, as long as the deformation is not easy or even not occurred.
The application of hanging adjusting device is when fixing the opening machine device:
firstly, fixing a base plate on a base plate of the tapping machine through a gap on the base plate, wherein a communicating hole is formed between the hole on the base plate and a round hole on the base plate of the tapping machine;
then, the U-shaped structure is sleeved outside the tapping machine main body, namely, the threaded part of the U-shaped structure is arranged in a communicating hole formed by a gap between a circular hole of the tapping machine bottom plate and the backing plate in a penetrating manner;
and finally, connecting two nuts with the thread part of the U-shaped structure, and locking and fixing the bottom plate of the opening machine through the nuts. This application is locked fixedly to the opening machine device through U type structure, and reduction coupling nut quantity that can furthest reduces the dismantlement installation time of opening machine device nut during overhauing.
The cable suspension device based on the application is examining and repairing the opening machine device and is changed:
firstly, two nuts of M30 are disassembled by using a spanner;
then, the pulley 8 of the shedding machine is taken off from the pulley rail, so that the shedding machine body 4 can be separated from the shedding machine bottom plate 2.
This rectification maintenance process shortens to 35min, puts the iron clearance through this application at the blast furnace and can accomplish the maintenance change to the tapping machine device, need not reduce oxygen or stop the wind because of overhauing tapping machine main part 4 slow breeze, can complete tapping machine device on-line maintenance, rectification process, and whole process safe and reliable.
The technical scheme of the invention is analyzed by combining the prior art:
the operating environment of the tapping machine is severe, in the tapping process, high-temperature molten iron splashed from an iron notch is directly poured on the baffle plate of the tapping machine and is influenced by the heat radiation of the molten iron, the tapping machine fixed by the internally-connected screw and the fastening part of the tapping machine are high in temperature in the prior art, and the originally internally-connected screw expands due to heating and is very difficult to disassemble. The hanging adjusting device of the tapping machine of the blast furnace simplifies the fixing mode of the tapping machine device, reduces the number of threaded connections and can realize the quick replacement of the tapping machine device by selecting excellent threaded rod and nut materials.
That is to say, change the fixed mode of tapping machine device from the internal connection formula to external connection formula, succeed in changing 6 internal connection screws into 2 external screw caps, furthest's reduction change tapping machine device in-process dismantle with the installation nut quantity, reached the purpose of quick replacement tapping machine device. Therefore, unqualified quality of the taphole caused by abnormal operation of the tapping machine can be effectively avoided, and furnace condition fluctuation and abnormal furnace condition accidents caused by incomplete discharge of slag iron in the furnace are also avoided.
The existing tapping machine device is very time-consuming to disassemble due to the fact that the fastening part deforms at high temperature, and the tapping machine device can be disassembled and maintained only during blowing down and production halt overhaul of a blast furnace, so that the tapping machine device is very inconvenient. The hanging adjusting device of the blast furnace tapping machine is fixed in an external connection mode by adopting two nuts, and the production in the tapping machine device is not influenced, so that the tapping machine device can be disassembled, maintained and installed when the tapping machine device works on line.
In summary, compared with the original internal connection and fixation mode of the tapping machine, the hanging adjusting device of the tapping machine of the blast furnace provided by the invention has the advantages that the structure is simple, the cost is low, the dismounting/fastening adjusting process of the hanging adjusting device during the maintenance of the tapping machine device is simpler, more convenient and more flexible, and the overall efficiency can be improved.
Specifically, the internal connection type fixing of the tapping machine device in the prior art is changed into the external connection type, so that the structure is simple, when the tapping machine is disassembled and assembled, compared with the method that 2 nuts are disassembled and assembled when 6 internal connection screw adjusting devices are used, the disassembling and assembling time can be greatly shortened, the disassembling and assembling time of the tapping machine device can be shortened by 2/3, and the tapping machine can be replaced and maintained through online maintenance, so that the tapping machine is better in flexibility.
The hanging adjusting device of the tapping machine of the blast furnace has the advantages of simple structure, simple process of disassembling and assembling the tapping machine, less time consumption and flexible adjustment. The maintenance work of the blast furnace tapping machine device can be completed on line in the production process of the blast furnace, a technical means of quick and efficient maintenance is provided for the blast furnace tapping machine, the guarantee is improved for the normal work of the tapping machine and the smooth discharge of slag iron in the blast furnace, and the support is provided for the stable production and smooth running of the blast furnace.
The above description of embodiments may be used in the same or similar way in one or more other embodiments and/or in combination with or instead of the features in the other embodiments.
It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps, components or groups thereof.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a blast furnace tapping machine hangs adjusting device which characterized in that, blast furnace tapping machine hangs adjusting device includes:
a U-shaped structure, the U-shaped structure comprising:
the U-shaped frame comprises a U-shaped frame bottom and two U-shaped frame side parts, and the U-shaped frame bottom is connected to the bottom ends of the two U-shaped frame side parts; the U-shaped frame is sleeved outside the tapping machine main body when in use;
the thread parts are arranged at the top ends of the side parts of the two U-shaped frames; the threaded part is arranged in a circular hole of the bottom plate of the tapping machine in a penetrating mode in use;
the nut is in threaded connection with the threaded portion, and the nut limits the bottom plate of the tapping machine.
2. The hanging and adjusting device for the tapping machine of the blast furnace as claimed in claim 1, further comprising a backing plate, wherein the backing plate is fixed on the base plate of the tapping machine, two holes are formed in the backing plate, the holes are communicated with the round holes of the base plate of the tapping machine to form communicating holes, the communicating holes are sleeved on the threaded portions, and the nuts are in stop fit with the backing plate.
3. The hanging and adjusting device of the blast furnace tapping machine as claimed in claim 2, wherein the threaded portion is a threaded rod, and the threaded rod is separately molded and fixedly connected with the side portion of the U-shaped frame.
4. The hanging and adjusting device of claim 3, wherein the fixed connection between the threaded rod and the side of the U-shaped frame is tangent contact welding.
5. The hanging and adjusting device of claim 4, wherein the threaded rod is welded to the fixed connection of the U-shaped frame.
6. The hanging and adjusting device for the tapping machine of the blast furnace as claimed in claim 5, wherein the U-shaped frame is made of round steel made of common materials; the threaded rod and the nut are stainless steel.
7. The hanging and adjusting device of the tapping machine of the blast furnace as claimed in claim 1, wherein a suspension rod is arranged on the tapping machine bottom plate, one end of the suspension rod is connected with the tapping machine bottom plate, the other end of the suspension rod is connected with a pulley, and the pulley is arranged in a track; the pulley slides in the track to drive the opening machine bottom plate to move.
8. The use method of the hanging adjusting device of the blast furnace tapping machine is characterized by comprising the following steps:
step 1, manufacturing a U-shaped structure, wherein the U-shaped structure comprises a U-shaped frame and a threaded part, the U-shaped frame comprises a U-shaped frame bottom and two U-shaped frame side parts, and the U-shaped frame bottom is connected to the bottom ends of the two U-shaped frame side parts; the thread part is arranged at the top ends of the side parts of the two U-shaped frames;
step 2, the threaded part is arranged in a circular hole of the bottom plate of the tapping machine in a penetrating mode;
and 3, connecting a nut with the thread part in a threaded manner, and limiting and fixing the bottom plate of the tapping machine by the nut.
9. The use method according to claim 8, wherein in step 3, a backing plate is fixed on the bottom plate of the tapping machine, and then a nut is screwed with the threaded part.
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| CN202010718646.9A CN111910031B (en) | 2020-07-23 | 2020-07-23 | Hanging adjusting device of blast furnace tapping machine and using method |
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| CN202010718646.9A CN111910031B (en) | 2020-07-23 | 2020-07-23 | Hanging adjusting device of blast furnace tapping machine and using method |
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| CN111910031B CN111910031B (en) | 2024-05-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114877683A (en) * | 2022-05-31 | 2022-08-09 | 金川集团股份有限公司 | Metallurgical stove fuse-element discharging equipment |
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| US5020780A (en) * | 1990-04-04 | 1991-06-04 | Woodings Industrial Corporation | Quick connect-disconnect coupling for blast furnace tap hole drill bit |
| US20070090265A1 (en) * | 2005-09-20 | 2007-04-26 | Carl Fasano | Easel |
| CN102230044A (en) * | 2010-07-23 | 2011-11-02 | 北京首钢机电有限公司 | Four-bucket bell-less charging device |
| CN105671244A (en) * | 2016-03-24 | 2016-06-15 | 莱芜钢铁集团有限公司 | Spherical hinge support replacement method for 120-ton or above converter |
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| CN114877683A (en) * | 2022-05-31 | 2022-08-09 | 金川集团股份有限公司 | Metallurgical stove fuse-element discharging equipment |
| CN114877683B (en) * | 2022-05-31 | 2024-05-03 | 金川集团镍钴有限公司 | Metallurgical furnace melt discharge device |
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|---|---|
| CN111910031B (en) | 2024-05-17 |
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