CN211697205U - Pneumatic cooling device for steel sample - Google Patents
Pneumatic cooling device for steel sample Download PDFInfo
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- CN211697205U CN211697205U CN202020220560.9U CN202020220560U CN211697205U CN 211697205 U CN211697205 U CN 211697205U CN 202020220560 U CN202020220560 U CN 202020220560U CN 211697205 U CN211697205 U CN 211697205U
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Abstract
The utility model provides a pneumatic cooling device of steel sample, belongs to ferrous metallurgy technical field, this pneumatic cooling device of steel sample, including the cooling chamber, amortization room and intake pipe, the equal opening setting in both ends of cooling chamber and amortization room, the outside and the amortization room of cooling chamber cup joint and link to each other, wear out the amortization room after the intake pipe is fixed with the one end of cooling chamber, be provided with the steel sample locating rack in the cooling chamber and with the gas deflector on gas inlet pipe spun gas direction to steel sample surface, the beneficial effects of the utility model are that, this cooling device overall structure is simple, convenient operation has reduced operating personnel's intensity of labour, and small in noise during the cooling, improved operational environment, realized the quick even cooling of steel sample, shortened sample analysis cycle time, be favorable to the molten steel composition quick, accurate adjustment to and the continuity of actual production.
Description
Technical Field
The utility model relates to a ferrous metallurgy technical field especially relates to a pneumatic cooling device of steel sample.
Background
In the steel smelting process, the composition of molten steel is one of important factors for judging whether the molten steel or a steel billet finished product is qualified, a sample is generally taken in the molten steel smelting process or the casting process, the taken steel sample is generally round, rod-shaped, barrel-shaped, thick-thin and the like, chemical analysis is carried out on the steel sample by adopting a special instrument and a special method after cooling, and an analysis result represents the average chemical composition of the molten steel in the same furnace or the same tank and is used as one of the bases for judging whether the quality of the molten steel or the steel billet is qualified.
In the production practice, the steel sample taken in the molten steel smelting process, especially the process steel sample during the molten steel smelting process, has the reference and guidance functions for the subsequent adjustment of the components of the molten steel in the whole furnace or the whole tank, so that the result needs to be analyzed quickly on line, and the newly taken molten steel sample has high temperature and needs to be subjected to sample delivery analysis after being cooled quickly. The cooling method of the molten steel sample is generally air cooling and water cooling. The air cooling standing mode has long cooling time and is not suitable for on-line rapid analysis. The cooling speed of the water cooling mode is high, but for common carbon and medium-carbon steel samples, the phenomena of steel sample cracks, serious carbon segregation, large surface water content and the like are easily caused, the detection instrument is abnormally shut down, and the detection analysis result has large error, so that the steel sample is judged to be a waste sample, and the component adjustment in the refining treatment process is influenced. Some workers clamp the steel sample and blow the steel sample by using a compressed air pipe, and the method has the advantages of high operation intensity, low efficiency, high noise during operation and uneven cooling of the steel sample.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a pneumatic cooling device of steel sample, under the prerequisite that does not reduce, does not influence steel sample performance and testing result, the device convenient to use can reduce operating personnel's intensity of labour, and small in noise during the cooling has improved operational environment, can realize the quick cooling of molten steel sample, has shortened steel sample analysis cycle time, is favorable to the molten steel composition quick, the accurate adjustment to and the continuity of actual production.
In order to achieve the above object, the present invention provides a technical solution for solving the technical problem: the pneumatic cooling device for the steel sample comprises a cooling chamber, a silencing chamber and an air inlet pipe, wherein openings are formed in two ends of the cooling chamber and the silencing chamber, the outside of the cooling chamber is connected with the silencing chamber in a sleeved mode, the air inlet pipe penetrates out of one end of the cooling chamber after being fixed, and a steel sample positioning frame and a gas guide plate for guiding gas sprayed out of the air inlet pipe to the surface of the steel sample are arranged in the cooling chamber.
Furthermore, the device also comprises an operation platform, wherein a positioning hole is formed in the operation platform, the bottom end of the cooling chamber penetrates through the silencing chamber and then is connected with the air outlet pipe, and the air outlet pipe penetrates through the positioning hole and then extends into the lower portion of the operation platform.
Furthermore, the air inlet pipe comprises a transmission section and a flaring section connected with the transmission section, the end part of the transmission section is provided with a threaded connection part connected with the air source pipeline, and the flaring section is arranged above the air guide plate.
Furthermore, the cooling chamber and the silencing chamber are both provided with cylindrical pipe fittings, and a noise reduction structure is pasted on the inner wall of the silencing chamber.
Furthermore, a throwing opening convenient for placing the steel sample on the steel sample positioning frame is formed in the side wall of the cooling chamber, and a sealing movable door opposite to the throwing opening is arranged on the side wall of the silencing chamber.
Furthermore, a steel sample inlet is formed in the side wall of the anechoic chamber, one side of the steel sample inlet is hinged with the movable sealing door, and the other side of the steel sample inlet is tightly connected with the movable sealing door.
Further, the gas deflector is provided with two and sets up with the central axis symmetry of cooling chamber, the one end of two gas deflectors with the inner wall of cooling chamber is fixed continuous and with contained angle between the inner wall of cooling chamber is the acute angle.
Furthermore, the steel sample locating rack comprises two reinforcing steel bars, the two reinforcing steel bars are connected between the two gas guide plates in parallel, and the two reinforcing steel bars are clamped with the steel sample to be supported.
Further, the steel sample includes steel sample detection portion and the caudal peduncle portion that sets up on it, steel sample detection portion sets up to the cake form, caudal peduncle portion sets up to cylindrical and connects the peripheral direction of steel sample detection portion, caudal peduncle portion joint is between two reinforcing bars.
The utility model has the advantages that:
1. the utility model relates to a device is through placing the steel sample on the steel sample locating rack of cooling chamber, the air supply leads to compressed air in the cooling chamber through the intake pipe, partly gaseous outer fringe to the high temperature steel sample that blows, partly gaseous through the gas deflector direction to the steel sample surface, evenly cool down to the steel sample surface, make the whole operation process simple and convenient, reduced staff's intensity of labour, and improved the cooled efficiency of steel sample, the cooling is more even, prevented steel sample crackle, phenomenon such as carbon segregation is serious, the steel sample analysis cycle time has been shortened, be favorable to the quick, accurate adjustment of molten steel composition, and the continuity of actual production; and most of the generated noise is absorbed by the silencing chamber in the process of blowing the compressed air into the cooling chamber, so that the operation environment for cooling the steel sample is improved.
2. In addition, when the steel sample is placed, the sealing movable door of the silencing chamber is opened and is placed between the two reinforcing steel bars in sequence through the steel sample inlet of the silencing chamber and the placing opening of the cooling chamber for positioning, so that the steel sample is placed simply and conveniently, the sealing movable door is closed after the steel sample is placed, only the air outlet pipe at the bottom of the cooling chamber is communicated with the outside, the steel sample is cooled in a relatively sealed silencing space, the compressed air is prevented from diffusing to the periphery, the amount of compressed air required by cooling the steel sample is less, and the cooling efficiency is higher; the air inlet pipe comprises a flaring section, compressed air can be diffused outwards, the surface of the steel sample is contacted with more compressed air, and the cooling effect is further improved; wherein the steel sample comprises the steel sample detection portion and the columniform caudal peduncle portion of cake form, when placing the steel sample, with the vertical place of steel sample, make caudal peduncle portion card go into between two reinforcing bars, make steel sample detection portion up, make the location of steel sample more stable, and make some compressed air blow in the marginal part of steel sample, some compressed air flows along the round surface of steel sample, after gas meets the gas deflector that has inclination in the cooling chamber, the air current flow direction returns, blow to steel sample cake on the surface, the quick cooling of steel sample detection portion has been realized.
In conclusion, the cooling device is simple in overall structure and convenient to operate, reduces the labor intensity of operators, is low in noise during cooling, improves the operation environment, realizes quick and uniform cooling of a steel sample, shortens the analysis period time of the steel sample, and is beneficial to quick and accurate adjustment of molten steel components and continuity of actual production.
Drawings
The contents of the various figures of the specification and the labels in the figures are briefly described as follows:
FIG. 1 is a schematic structural view of a pneumatic cooling device for steel samples in the present invention;
FIG. 2 is a schematic structural view of the intake pipe of FIG. 1;
FIG. 3 is a schematic view of the cooling chamber of FIG. 1;
FIG. 4 is a schematic view of the muffler chamber of FIG. 1;
FIG. 5 is a schematic structural diagram of a steel sample to be cooled according to the present invention;
the labels in the above figures are: 1. the steel sample positioning device comprises a cooling chamber, 11 a feeding port, 2 a silencing chamber, 21 a sealing movable door, 22 a steel sample inlet, 3 an air inlet pipe, 31 a transmission section, 32 a flaring section, 4 a steel sample positioning frame, 5 a steel sample, 51 a steel sample detection part, 52 a tail handle part, 6 an air guide plate, 7 an operation platform and 8 an air outlet pipe.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses specific embodiment does: as shown in figure 1, a pneumatic cooling device for a steel sample comprises a cooling chamber 1, a silencing chamber 2 and an air inlet pipe 3, wherein two ends of the cooling chamber 1 and the silencing chamber 2 are respectively provided with an opening, the outside of the cooling chamber 1 is connected with the silencing chamber 2 in a sleeved mode and then is positioned and fixed in a welding mode, the air inlet pipe 3 is welded and fixed with one end of the cooling chamber 1 and then penetrates out of the silencing chamber 2, the extending end of the air inlet pipe 3 is connected with an air source pipeline, a steel sample positioning frame 4 and an air guide plate 6 for guiding air sprayed out of the air inlet pipe 3 to the surface of the steel sample 5 are arranged in the cooling chamber 1, the steel sample is placed on the steel sample positioning frame 4 of the cooling chamber 1, compressed air is guided into the cooling chamber 1 through the air inlet pipe 3 by the air source, part of the air is blown to the outer edge of the high-temperature steel sample 5, part of the air is guided to the surface of the steel sample 5 through the air guide plate, the labor intensity of workers is reduced, the cooling efficiency of the steel sample is improved, the cooling is more uniform, the phenomena of steel sample cracks, serious carbon segregation and the like are prevented, the analysis period time of the steel sample is shortened, and the rapid and accurate adjustment of the components of the molten steel and the continuity of actual production are facilitated; and most of the noise generated in the process of blowing the compressed air into the cooling chamber 1 is absorbed by the silencing chamber 2, thereby improving the operation environment of steel sample cooling.
In addition, as shown in fig. 1, the device further comprises an operating platform 7, the operating platform 7 is provided with a positioning hole, the bottom end of the cooling chamber 1 penetrates through the silencing chamber 2 and then is connected with an air outlet pipe 8, the air outlet pipe 8 can be made of a common round pipe with the diameter of 600mm, the air outlet pipe 8 penetrates through the positioning hole and then extends into the lower portion of the operating platform 7, and the air outlet pipe 8 is communicated with the atmosphere, so that compressed air passes through the cooling chamber 1 and then is discharged to the lower portion of the operating platform 7 through the air outlet pipe 8, and the noise of an operating station is reduced to the maximum.
Specifically, as shown in fig. 1 and fig. 2, the air inlet pipe 3 may be made of a common stainless steel circular pipe with a diameter of 20mm, and includes a transmission section 31 and a flaring section 32 connected thereto, the end of the transmission section 31 is provided with a threaded connection portion connected to an air source pipeline, which is convenient for disassembly and assembly, the flaring section 32 is disposed above the air guide plate 6, and the flaring section 32 may be in a horn or pyramid structure, which can diffuse compressed air outwards, so that the surface of the steel sample is in contact with more compressed air, and the cooling effect is further improved.
Specifically, as shown in fig. 1, 3 and 4, the cooling chamber 1 and the muffling chamber 2 are both cylindrical pipe fittings, the cooling chamber 1 can be made of a common round pipe with a diameter of 600mm, the muffling chamber can be made of a common round pipe with a diameter of 1500mm, a noise reduction structure is adhered to the inner wall of the muffling chamber 2, the noise reduction structure can be made of asbestos-like substances with holes, and the muffling chamber 2 wraps the cooling chamber 1 integrally to achieve the purpose of reducing noise; the side wall of the cooling chamber 1 is provided with a putting-in opening 11 which is convenient for placing the steel sample 5 on the steel sample positioning frame 4, the shape of the putting-in opening 11 is designed according to the structure of the steel sample 5, the side wall of the anechoic chamber 2 is provided with a sealing movable door 21 which is opposite to the putting-in opening 11, concretely, the side wall of the anechoic chamber 2 is provided with a steel sample inlet 22, the steel sample inlet 22 is opposite to the putting-in opening 11, one side of the steel sample inlet 22 is hinged and connected with the sealing movable door 21, the other side of the steel sample inlet 22 is locked and connected with the sealing movable door 21 through a movable pin or a lock, a sealing strip is additionally arranged on the door edge of the sealing movable door 21 to play a role in sealing and noise reduction, the effects of noise reduction are further improved, when the steel sample 5 is placed, the sealing movable door 21 of the anechoic chamber 2 is opened and is placed on the steel sample positioning frame 4 through the steel sample inlet 22 of the anechoic, make placing of steel sample 5 simple and convenient, will seal the dodge gate 21 after placing in addition and close, only have the outlet duct 8 of 1 bottom in cooling chamber to communicate with each other with the external world, make steel sample 5 at the relatively sealed amortization space internal cooling, prevented that compressed air from to diffusion all around, make the steel sample required compressed air volume that cools off still less, cooling efficiency is higher moreover.
Specifically, as shown in fig. 3, two gas guide plates 6 are arranged and symmetrically arranged with respect to the central axis of the cooling chamber 1, the gas guide plates 6 are made of thin steel plate and have a shape close to a semicircular shape, one end of each of the two gas guide plates 6 is fixedly connected with the inner wall of the cooling chamber 1 by welding, and the included angle between the two gas guide plates and the inner wall of the cooling chamber 1 is an acute angle; the steel sample positioning frame 4 is composed of two steel bars, the two steel bars are connected between the two gas guide plates 6 in parallel, and are supported by clamping with the steel sample 5, as shown in fig. 5, the steel sample 5 includes a steel sample detection portion 51 and a tail handle portion 52 arranged thereon, the steel sample detection portion 51 is arranged in a round cake shape, the tail handle portion 52 is arranged in a cylindrical shape and is connected in the peripheral direction of the steel sample detection portion 51, and the tail handle portion 52 is clamped between the two steel bars. When placing steel sample 5, with the vertical placement of steel sample 5, make tail handle 52 card go into between two reinforcing bars, make steel sample detection portion 51 up, make the location of steel sample 5 more stable, and make some compressed air blow in the edge part of steel sample 5, some compressed air flows along the round surface of steel sample 5, gaseous meet the gaseous deflector 6 back that has inclination in the cooling chamber 1, the air current flow direction returns, blow to the steel sample cake on the surface, the quick cooling of steel sample detection portion 51 has been realized.
The use method of the pneumatic cooling device for the steel sample comprises the following steps:
1) connecting the air inlet pipe 3 with an air source pipeline, and ensuring that the air source pressure meets the working pressure requirement;
2) taking a steel sample 5 from molten steel by adopting a special steel sample 5 sampler for a steel mill, removing a shell of the sampler, clamping a high-temperature tail handle part 52 by using pliers, opening a sealing movable door 21 of a silencing chamber 2, vertically placing the steel sample 5 on a steel sample positioning frame 4 after sequentially passing through the sealing movable door 21 and a putting-in hole 11, and closing the sealing movable door 21;
3) opening a control valve switch of an air source to blow compressed air into the surface of the steel sample 5 in the cooling chamber 1 through an air inlet pipe 3, simultaneously pressing a timer configured on an operation site, and closing the air source control valve after the timing is finished;
4) opening the sealing movable door 21, and taking out the steel sample 5 cooled to room temperature;
5) the end shank 52 of the steel sample 5 is cut off by a cutter, and the steel sample detection part 51 of the steel sample 5 is sent to a laboratory for testing the steel sample 5.
The cooling device improves the cooling speed of the steel sample by changing the cooling mode of the molten steel sample; the pneumatic cooling mode utilizes the accuracy of the steel sample detection result. After the device is adopted to carry out cooling treatment on the steel sample, the cooling effect of the steel sample is improved, and meanwhile, the cooling time of the steel sample can be controlled within 50-60 seconds, so that the shortening of the analysis period time of the steel sample is facilitated, and the device has good popularization value.
In conclusion, the cooling device is simple in overall structure and convenient to operate, reduces the labor intensity of operators, is low in noise during cooling, improves the operation environment, realizes quick and uniform cooling of a steel sample, shortens the analysis period time of the steel sample, and is beneficial to quick and accurate adjustment of molten steel components and continuity of actual production.
The foregoing is merely illustrative of some of the principles of the present invention and the description is not intended to limit the invention to the specific constructions and applications shown, so that all modifications and equivalents that may be utilized are within the scope of the invention.
Claims (9)
1. The utility model provides a pneumatic cooling device of steel sample, its characterized in that, includes cooling chamber (1), amortization room (2) and intake pipe (3), the equal opening setting in both ends of cooling chamber (1) and amortization room (2), the outside of cooling chamber (1) with amortization room (2) cup joint and link to each other, intake pipe (3) with wear out after the one end of cooling chamber (1) is fixed amortization room (2), be provided with steel sample locating rack (4) in cooling chamber (1) and with gas direction to the gas deflector (6) on steel sample (5) surface of spun gas in intake pipe (3).
2. The pneumatic steel sample cooling device according to claim 1, wherein: the device further comprises an operation platform (7), wherein a positioning hole is formed in the operation platform (7), the bottom end of the cooling chamber (1) penetrates through the silencing chamber (2) and then is connected with the air outlet pipe (8), and the air outlet pipe (8) penetrates through the positioning hole and then extends into the position below the operation platform (7).
3. The pneumatic steel sample cooling device according to claim 1, wherein: the gas inlet pipe (3) comprises a transmission section (31) and an expansion section (32) connected with the transmission section, a threaded connection part connected with a gas source pipeline is arranged at the end part of the transmission section (31), and the expansion section (32) is arranged above the gas guide plate (6).
4. The pneumatic steel sample cooling device according to claim 1, wherein: the cooling chamber (1) and the silencing chamber (2) are both provided with cylindrical pipe fittings, and a noise reduction structure is pasted on the inner wall of the silencing chamber (2).
5. The pneumatic steel sample cooling device according to claim 4, wherein: the side wall of the cooling chamber (1) is provided with a putting-in opening (11) which is convenient for placing the steel sample (5) on the steel sample positioning frame (4), and the side wall of the anechoic chamber (2) is provided with a sealing movable door (21) opposite to the putting-in opening (11).
6. The pneumatic steel sample cooling device according to claim 5, wherein: a steel sample inlet (22) is formed in the side wall of the anechoic chamber (2), one side of the steel sample inlet (22) is hinged to the movable sealing door (21), and the other side of the steel sample inlet (22) is connected with the movable sealing door (21) in a locking mode.
7. The pneumatic cooling device for the steel sample according to any one of claims 1 to 6, wherein: the gas guide plate (6) is provided with two and sets up with the central axis symmetry of cooling chamber (1), the one end of two gas guide plates (6) with the inner wall of cooling chamber (1) is fixed continuous and with contained angle between the inner wall of cooling chamber (1) is the acute angle.
8. The pneumatic steel sample cooling device according to claim 7, wherein: and the steel sample positioning frame (4) consists of two steel bars which are connected between the two gas guide plates (6) in parallel and are supported with the steel sample (5) in a clamping way.
9. The pneumatic steel sample cooling device of claim 8, wherein: the steel sample (5) include steel sample detection portion (51) and tail stalk portion (52) that set up on it, steel sample detection portion (51) set up to the cake form, tail stalk portion (52) set up to cylindrical and connect the peripheral direction of steel sample detection portion (51), tail stalk portion (52) joint is between two reinforcing bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020220560.9U CN211697205U (en) | 2020-02-27 | 2020-02-27 | Pneumatic cooling device for steel sample |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020220560.9U CN211697205U (en) | 2020-02-27 | 2020-02-27 | Pneumatic cooling device for steel sample |
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| CN211697205U true CN211697205U (en) | 2020-10-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111198121A (en) * | 2020-02-27 | 2020-05-26 | 马鞍山钢铁股份有限公司 | Pneumatic cooling device for steel sample and using method thereof |
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2020
- 2020-02-27 CN CN202020220560.9U patent/CN211697205U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111198121A (en) * | 2020-02-27 | 2020-05-26 | 马鞍山钢铁股份有限公司 | Pneumatic cooling device for steel sample and using method thereof |
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