CN117506456B - Stainless steel welded pipe production system and process - Google Patents
Stainless steel welded pipe production system and process Download PDFInfo
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- CN117506456B CN117506456B CN202311535183.2A CN202311535183A CN117506456B CN 117506456 B CN117506456 B CN 117506456B CN 202311535183 A CN202311535183 A CN 202311535183A CN 117506456 B CN117506456 B CN 117506456B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 24
- 239000010935 stainless steel Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000008569 process Effects 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 138
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 119
- 239000010959 steel Substances 0.000 claims abstract description 119
- 238000001816 cooling Methods 0.000 claims abstract description 57
- 238000005507 spraying Methods 0.000 claims abstract description 34
- 239000000110 cooling liquid Substances 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 239000002826 coolant Substances 0.000 claims description 22
- 239000007921 spray Substances 0.000 claims description 20
- 238000005520 cutting process Methods 0.000 claims description 10
- 238000010791 quenching Methods 0.000 claims description 5
- 230000000171 quenching effect Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000007669 thermal treatment Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 description 8
- 238000003466 welding Methods 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The application relates to a stainless steel welded pipe production system and a process, belonging to the field of welded pipe production and manufacturing, wherein the system comprises a welded pipe machine and a material breaking device, a heat treatment device is arranged between the welded pipe machine and the material breaking device, the heat treatment device comprises a heater and a cooling device, the cooling device comprises a cooling tank body and a liquid spraying mechanism, the cooling tank body is positioned below a steel pipe, the liquid spraying mechanism is used for spraying cooling liquid to the surface of the steel pipe, the liquid spraying mechanism comprises a prisoner liquid bin and a liquid spraying pipe, the prisoner liquid bin is connected with the cooling tank body and positioned above the cooling tank body, a feeding hole for the steel pipe to penetrate and a discharging hole for the steel pipe to penetrate are formed in the side wall of the cooling tank body, the end part of the liquid spraying pipe is connected with the prisoner liquid bin, and the mouth of the liquid spraying pipe is communicated with the inner cavity of the prisoner liquid bin. According to the application, the prisoner liquid bin filled with the cooling liquid is arranged, and the heated steel pipe passes through the prisoner liquid bin to cool the steel pipe, so that the cooling uniformity and the cooling comprehensiveness are improved.
Description
Technical Field
The application relates to the field of welded pipe production and manufacturing, in particular to a stainless steel welded pipe production system and a stainless steel welded pipe production process.
Background
The welded steel pipe is also called a welded pipe, and is a steel pipe manufactured by welding a steel plate or strip steel after being curled and formed, wherein equipment for manufacturing the welded pipe is a pipe welder, the pipe welder sequentially comprises an unreeling frame, a rolling wheel set, an argon arc welding machine and trimming equipment along the conveying direction of the steel belt, the steel belt is bent after passing through the rolling wheel set, the argon arc welding machine welds the steel belt into the steel pipe, and the trimming equipment is used for cutting and leveling welding flux of welding seams on the surface of the steel pipe; and a material cutting device is arranged behind the pipe welding machine and is used for cutting continuous steel pipes in a fixed length.
In order to improve the structural strength of the steel pipe, the steel pipe can be subjected to heat treatment between a pipe welder and a material cutting device. In the related art, the equipment for quenching the steel pipe comprises a heating device and a cooling device, wherein the heating device is usually an electromagnetic induction heater, the cooling device is used for oil cooling the steel pipe and comprises a cooling groove and a spray pipe, the spray pipe is positioned above the steel pipe, the cooling groove is positioned below the steel pipe, the spray pipe sprays cooling liquid to the steel pipe, and the cooling liquid falls into the cooling groove after contacting with the steel pipe.
The steel pipe is unsettled in the top of cooling tank, and the spray tube spouts the coolant liquid to the steel pipe surface through the mode of spraying, and the steel pipe continuously marches, and the coolant liquid is very big, space distribution also has great uncertainty on unsettled steel pipe surface, and under the limited circumstances of spray tube quantity, coolant liquid to the cooling homogeneity or the comprehensively unable assurance of steel pipe.
Disclosure of Invention
In order to solve the problems, the application provides a stainless steel welded pipe production system and a stainless steel welded pipe production process.
The application provides a stainless steel welded pipe production system and a process, which adopt the following technical scheme:
The utility model provides a stainless steel welded tube production system, includes welded tube mill and outage equipment, still be provided with heat treatment facility between welded tube mill and the outage equipment, heat treatment facility includes heater and cooling device, cooling device includes cooling tank body and hydrojet mechanism, the cooling tank body is located the below of steel pipe, hydrojet mechanism is used for like spraying cooling liquid to the steel pipe surface, hydrojet mechanism includes prison liquid storehouse and hydrojet pipe, prison liquid storehouse is connected with the cooling tank body and is located the top of cooling tank body, set up the feed port that supplies the steel pipe to penetrate and the discharge port that supplies the steel pipe to wear out on the cooling tank body lateral wall, the tip and the prison liquid storehouse of hydrojet pipe are connected, the mouth of pipe and the inner chamber intercommunication in prison liquid storehouse of hydrojet pipe.
Through adopting above-mentioned technical scheme, the hydrojet pipe pours into the coolant liquid into prison's liquid storehouse and makes the prison's liquid storehouse be full of the coolant liquid in, and the steel pipe passes the in-process in prison's liquid storehouse also from the more even coolant liquid of spatial distribution, and the coolant liquid is higher to the cooling effect degree of uniformity on steel pipe surface.
Preferably, the spray pipes are arranged in the axial direction and the circumferential direction of the steel pipe, the pipe orifices of the spray pipes face the central axis of the steel pipe, the spray pipes close to the discharge holes incline towards the feed holes, and the spray pipes close to the feed holes incline towards the discharge holes.
Through adopting above-mentioned technical scheme, all hydrojet pipe spun coolant liquid all have to the trend that the middle part in prison liquid storehouse was assembled, and each hydrojet pipe spun coolant liquid forms hedging, interact, improves the flow direction homogeneity in the diffusion process of liquid.
Preferably, the prison liquid bin is connected with the extension pipe on and be located discharge port and feed port department, the extension pipe is coaxial with the steel pipe, be provided with the slow flow subassembly in the extension pipe, the slow flow subassembly is used for reducing the speed that the coolant liquid flows out the prison liquid bin.
Through adopting above-mentioned technical scheme, under the effect of slow flow subassembly, the coolant liquid slows down from the speed of prison's solution storehouse internal outflow, and the water flow can reduce, reduces the splash of production scene coolant liquid.
Preferably, the slow flow component comprises a supporting frame and an elastic ring piece, the elastic ring piece is fixedly connected with the inner wall of the extension pipe coaxially, the supporting frame is positioned on one side of the elastic ring piece, which is away from the prisoner liquid bin, in a natural state, the elastic ring piece is inclined towards the prisoner liquid bin, a gap is reserved between the elastic ring piece and the supporting frame, and a gap is reserved between the elastic ring piece and the side wall of the steel pipe.
Through adopting above-mentioned technical scheme, when the coolant liquid in the prison's liquid storehouse flows to outside through the extension pipe, the contained angle space between elastic ring piece and the extension pipe inner wall can liquid produce certain interception effect, if the velocity of flow of coolant liquid is great, and hydraulic pressure is also great, and its impact force to the elastic ring piece can make the elastic ring piece overturn to the support frame, and the inner edge of elastic ring piece is close to the steel pipe lateral wall more this moment, and the clearance between the two reduces, and its interception effect to the fluid is higher.
Preferably, the extension pipe is provided with a plurality of drain holes, the drain holes are positioned below the extension pipe, and a plurality of drain holes are distributed along the length direction of the extension pipe.
By adopting the technical scheme, the cooling liquid flowing in the extension pipe can directly flow out of the extension pipe through the drain hole and fall into the cooling groove body.
Preferably, the extension pipe is detachably connected with the prison cell, and the inner wall of the extension pipe at the delivery discharge hole is rotationally connected with a delivery wheel, and the wheel surface of the delivery wheel is in rolling contact with the side wall of the steel pipe.
Through adopting above-mentioned technical scheme, at the in-process that the steel pipe constantly marches, the delivery wheel forms the support to the steel pipe, improves the steel pipe at the state stability of removal in-process, because the delivery wheel is located behind the prison's solution storehouse, the contact of delivery wheel and steel pipe lateral wall also can reduce the surface damage of steel pipe as far as this moment.
Preferably, the prison liquid bin comprises a fixed bin shell and an adjusting bin shell, the fixed bin shell is relatively fixed with the cooling groove body, the adjusting bin shell is in sliding connection with the fixed bin shell, the feeding hole is positioned on the fixed bin shell, the discharging hole is positioned on the adjusting bin shell, the sliding direction of the adjusting bin shell relative to the fixed bin shell is consistent with the length direction of the steel pipe, a corrugated pipe is fixedly connected between the fixed bin shell and the adjusting bin shell, and the liquid spraying mechanism further comprises an adjusting source for controlling the movement of the adjusting bin shell.
By adopting the technical scheme, the volume of the prisoner liquid bin is variable, so that on one hand, the contact time between the steel pipe and the cooling liquid can be adjusted, and on the other hand, the speed of filling the prisoner liquid bin with the cooling liquid can be improved in the liquid filling stage.
Preferably, the prison liquid bin is provided with an overflow hole, the position of the drainage hole is higher than that of the steel pipe, and the overflow baffle is fixedly connected to the outer wall of the prison liquid bin and positioned at the overflow hole.
Through adopting above-mentioned technical scheme, when the liquid level in the prison's solution storehouse is higher than the overflow aperture, the coolant liquid alright overflow from the prison's solution storehouse through the overflow aperture, and overflow baffle is used for intercepting the liquid that flows from the overflow aperture simultaneously, reduces its kinetic energy, reduces liquid and splashes.
A stainless steel welded pipe production process adopting the stainless steel welded pipe production system sequentially comprises the following steps:
s1: processing the steel strip by using a pipe welder, and processing the steel strip into a steel pipe;
s2: quenching and heating the steel pipe in the step S1;
S3: cooling the steel pipe in the step S2;
s4, cutting the cooled steel pipe to a fixed length;
Before the steel pipe starts to move in S1, debugging is carried out on the cooling device: firstly, a steel pipe passes through a prison liquid bin, the corrugated pipe is in an elongation state, then, a liquid spraying pipe is used for injecting cooling liquid into the prison liquid bin, when the inlet speed and the outlet speed of the cooling liquid in the prison liquid bin are equal, an adjusting source is started, an adjusting bin shell moves close to a fixed bin shell, the corrugated pipe is compressed, the liquid level in the prison liquid bin is raised, and then, the steel pipe starts to move normally.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the arrangement of the prisoner liquid bin, the liquid spraying pipe injects cooling liquid into the prisoner liquid bin and fills the prisoner liquid bin with the cooling liquid, and the steel pipe passes through the prisoner liquid bin from the cooling liquid with more uniform spatial distribution in the process of passing through the prisoner liquid bin, so that the cooling effect of the cooling liquid on the surface of the steel pipe is more uniform;
2. Through adjusting the setting of storehouse shell and bellows, the volume in prisoner's liquid storehouse is changeable, can realize on the one hand the adjustment to steel pipe and coolant liquid contact time, on the other hand can improve the speed that coolant liquid was full of in the prisoner's liquid storehouse at the liquid filling stage.
Drawings
Fig. 1 is a schematic view of a heat treatment apparatus for embodying a stainless steel welded pipe production system in an embodiment of the present application.
FIG. 2 is a schematic cross-sectional view of a structure for embodying a liquid ejection mechanism in an embodiment of the present application.
Fig. 3 is a partial enlarged view of a portion a in fig. 2.
Fig. 4 is a schematic structural view of an extension tube for embodying the adjustment housing and connecting with the adjustment housing in an embodiment of the present application.
Reference numerals illustrate: 1. a steel pipe; 2. a heater; 3. a cooling device; 31. a cooling tank; 4. a liquid spraying mechanism; 41. a liquid spraying pipe; 42. a prison liquid bin; 421. a bin shell is fixed; 422. adjusting the bin shell; 423. a bellows; 424. an overflow aperture; 425. an overflow baffle; 426. a feed hole; 427. a discharge hole; 43. a regulated source; 431. a slide block; 432. adjusting a screw rod; 433. a motor; 44. an extension tube; 441. a drain hole; 442. a conveying wheel; 45. a slow flow component; 451. a support frame; 452. an elastic ring piece.
Detailed Description
The application is described in further detail below with reference to fig. 1-4.
In a first aspect, an embodiment of the present application discloses a stainless steel welded pipe production system, which sequentially includes a pipe welder, a heat treatment device and a material cutting device along a raw material conveying direction, wherein the pipe welder is used for processing a stainless steel strip into a continuous stainless steel pipe 1 through a pipe welding process, the heat treatment device is used for quenching the steel pipe 1, the heat treatment device includes a heater 2 and a cooling device 3, and the material cutting device is used for cutting the heat treated steel pipe 1 to a fixed length. As shown in fig. 1, the heater 2 is an electromagnetic heater 2, the cooling device 3 comprises a cooling tank 31 and a liquid spraying mechanism 4, the liquid spraying mechanism 4 is used for spraying cooling liquid to the surface of the steel pipe 1, the cooling tank 31 is positioned below the steel pipe 1 and is responsible for recovering the cooling liquid after contacting with the steel pipe 1; the cooling device 3 further comprises a circulating water system (not shown in the figure) for making the cooling liquid in the cooling tank 31 be utilized again by the liquid spraying mechanism 4 after heat exchange treatment.
As shown in fig. 1, the liquid spraying mechanism 4 includes a prison liquid bin 42 and a liquid spraying tube 41, the prison liquid bin 42 is split, and includes a fixed bin shell 421, an adjusting bin shell 422 and a corrugated tube 423, where the fixed bin shell 421 and the adjusting bin shell 422 are hemispherical shells, the fixed bin shell 421 is fixedly connected with the cooling tank body 31 relatively and located above the cooling tank body 31, the adjusting bin shell 422 is slidably connected with the fixed bin shell 421, the sliding direction of the adjusting bin shell 422 relative to the fixed bin shell 421 is consistent with the length direction of the steel tube 1, one end of the corrugated tube 423 is fixedly connected with the fixed bin shell 421, the other end is fixedly connected with the adjusting bin shell 422, and the fixed bin shell 421, the corrugated tube 423 and the adjusting bin shell 422 form an internal space of the prison liquid bin 42 together in the sliding process of the adjusting bin shell 422 relative to the fixed bin shell 421. The fixed bin shell 421 is provided with a feeding hole 426 for the steel pipe 1 to enter the prison cell 42, and the adjusting bin shell 422 is provided with a discharging hole 427 for the steel pipe 1 to move out of the prison cell 42. The liquid spraying mechanism 4 further comprises an adjusting source 43 for controlling the sliding of the adjusting bin shell 422, in this embodiment, the adjusting source 43 is a motor 433, an adjusting screw 432 and a sliding block 431, the sliding block 431 is slidably connected with the cooling tank body 31, the sliding direction is consistent with the advancing direction of the steel pipe 1, the adjusting screw 432 is rotatably connected with the cooling tank body 31, the axis of the adjusting screw 432 is consistent with the advancing direction of the steel pipe 1, the adjusting screw 432 is in threaded connection with the sliding block 431, and the motor 433 is mounted on the cooling tank body 31 and is used for driving the adjusting screw 432 to rotate.
As shown in fig. 1 and 2, the liquid spray pipe 41 is used for injecting a coolant into the trapping liquid chamber 42, and a plurality of liquid spray pipes are provided along the axial direction and the circumferential direction of the steel pipe 1; the tube heads of the liquid spraying tubes 41 are fixedly connected and communicated with the prisoner liquid bin 42, the number of the liquid spraying tubes 41 in the embodiment is eight, four liquid spraying tubes 41 are connected to the fixing bin shell 421 and the adjusting bin shell 422, the four liquid spraying tubes 41 on the fixing bin shell 421 and the adjusting bin shell 422 are annularly arrayed around the steel tube 1 along the axial direction of the steel tube 1, and the liquid spraying tubes 41 face towards the axis of the steel tube 1. The spray pipes 41 close to the discharge holes 427 incline towards the feed holes 426, the spray pipes 41 close to the feed holes 426 incline towards the discharge holes 427, namely, all the cooling liquid sprayed by the spray pipes 41 have a tendency of converging towards the middle part of the prisoner liquid bin 42, and the cooling liquid sprayed by each spray pipe 41 forms opposite impact and interaction, so that the flow direction uniformity in the liquid diffusion process is improved.
As shown in fig. 1, 2 and 3, extension pipes 44 are connected to the prison cell 42 and located at the discharge hole 427 and the feed hole 426, and the extension pipes 44 are coaxially sleeved outside the steel pipe 1 during the process of entering and exiting the prison cell 42. A slow flow component 45 is arranged in the extension pipe 44, and the slow flow component 45 is used for reducing the speed of the cooling liquid flowing out of the prisoner liquid bin 42; the slow flow assembly 45 comprises a supporting frame 451 and elastic ring pieces 452 made of high-temperature resistant rubber, the elastic ring pieces 452 are coaxially and fixedly connected to the inner wall of the extension pipe 44, the supporting frame 451 is located on one side, deviating from the prisoner liquid bin 42, of the elastic ring pieces 452, the supporting frame 451 is composed of a plurality of hard straight rods, the plurality of hard straight rods are annularly arranged in the extension pipe 44 in an array mode, in a natural state, the elastic ring pieces 452 and the hard straight rods incline towards the prisoner liquid bin 42, gaps are reserved between the elastic ring pieces 452 and the hard straight rods, and meanwhile gaps are reserved between the elastic ring pieces 452 and the side wall of the steel pipe 1. When the coolant in the prisoner's liquid storehouse 42 flows to outside through extension pipe 44, the contained angle space between elastic ring piece 452 and the extension pipe 44 inner wall can liquid produce certain interception effect, if the velocity of flow of coolant is great, and hydraulic pressure is also great, and its impact force to elastic ring piece 452 can make elastic ring piece 452 overturn to support frame 451, and the inner edge of elastic ring piece 452 is close to steel pipe 1 lateral wall more this moment, and the clearance between the two reduces, and its interception effect to the fluid is higher. Each hard straight rod of the supporting frame 451 is used for limiting the turning angle of the elastic ring piece 452, so that the risk that the elastic ring piece is in contact with the steel pipe 1 due to overlarge turning angle is reduced. The extension pipe 44 is provided with a plurality of drain holes 441, the drain holes 441 are positioned below the extension pipe 44, and the cooling liquid flowing into the extension pipe 44 can directly flow out of the extension pipe 44 through the drain holes 441 and fall into the cooling tank body 31.
As shown in fig. 2 and 4, the inner wall of the extension pipe 44 at the delivery outlet 427 is rotatably connected with a delivery wheel 442, the wheel surface of the delivery wheel 442 is in rolling contact with the side wall of the steel pipe 1, and the delivery wheel 442 supports the steel pipe 1 in the continuous advancing process of the steel pipe 1, so that the state stability of the steel pipe 1 in the moving process is improved. Since the delivery wheel 442 is located behind the trapping liquid bin 42, the contact between the delivery wheel 442 and the sidewall of the steel tube 1 will also minimize the surface damage of the steel tube 1. The prison's liquid storehouse 42 all forms in feed port 426 and discharge port 427 department has internal thread structure, and extension pipe 44 realizes through screw-thread fit to be connected with the detachable of prison's liquid storehouse 42, to the steel pipe 1 of different pipe diameter sizes, need correspond to change not unidimensional extension pipe 44, improves slow flow subassembly 45 and delivery wheel 442 and the degree of cooperation of steel pipe 1.
As shown in fig. 1 and 2, the prison cell 42 is provided with an overflow hole 424, the position of the overflow hole 424 is higher than that of the steel pipe 1, and an overflow baffle 425 is fixedly connected to the outer wall of the prison cell 42 and positioned at the overflow hole 424; when the liquid level in the prisoner's liquid bin 42 is higher than the overflow aperture 424, the coolant can overflow from the prisoner's liquid bin 42 through the overflow aperture 424, and overflow baffle 425 is used for intercepting the liquid flowing out from the overflow aperture 424, reducing its kinetic energy, reducing liquid splashing.
On the other hand, the application discloses a stainless steel welded pipe production process adopting the stainless steel welded pipe production system, which sequentially comprises the following steps:
s1: processing the steel strip by using a pipe welder, and processing the steel strip into a steel pipe 1;
s2: quenching and heating the processed steel pipe 1 in the step S1;
S3: cooling the steel pipe 1 in the step S2;
S4, cutting the cooled steel pipe 1 to a fixed length.
Before the steel pipe 1 starts to move in S1, the cooling device 3 is first debugged: when the pipe welder is not started, the front end pipe head of the steel pipe 1 firstly passes through the prisoner's liquid bin 42 and the corrugated pipe 423 is in an extending state, then the cooling liquid is injected into the prisoner's liquid bin 42 through the liquid spraying pipe 41, when the cooling liquid entering speed and the cooling liquid exiting speed in the prisoner's liquid bin 42 are equal, the adjusting source 43 is started, the adjusting bin shell 422 moves close to the fixed bin shell 421, the corrugated pipe 423 is compressed, the liquid level in the prisoner's liquid bin 42 is raised, and then the steel pipe 1 starts to move normally. The process of compressing the bellows 423 aims to increase the liquid filling speed in the prisoner's liquid storage 42, and at the same time, the length of the prisoner's liquid storage 42 in the moving direction of the steel pipe 1 can be adjusted according to the specific requirements of the cooling process.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (6)
1. The utility model provides a stainless steel welded tube production system, includes welded tube mill and disconnected material equipment, still be provided with thermal treatment equipment between welded tube mill and the disconnected material equipment, thermal treatment equipment includes heater (2) and cooling device (3), cooling device (3) are including cooling tank body (31) and hydrojet mechanism (4), cooling tank body (31) are located the below of steel pipe (1), hydrojet mechanism (4) are used for like spraying the coolant liquid to steel pipe (1) surface, its characterized in that: the liquid spraying mechanism (4) comprises a prison liquid bin (42) and a liquid spraying pipe (41), the prison liquid bin (42) is connected with the cooling tank body (31) and is positioned above the cooling tank body (31), a feeding hole (426) for penetrating the steel pipe (1) and a discharging hole (427) for penetrating the steel pipe (1) are formed in the side wall of the cooling tank body (31), the end part of the liquid spraying pipe (41) is connected with the prison liquid bin (42), and the pipe orifice of the liquid spraying pipe (41) is communicated with the inner cavity of the prison liquid bin (42);
The device is characterized in that extension pipes (44) are connected to the prisoner liquid bin (42) and located at the discharge holes (427) and the feed holes (426), the extension pipes (44) are coaxial with the steel pipe (1), a slow flow component (45) is arranged in the extension pipes (44), and the slow flow component (45) is used for reducing the speed of cooling liquid flowing out of the prisoner liquid bin (42);
The slow flow assembly (45) comprises a supporting frame (451) and an elastic ring piece (452), the elastic ring piece (452) is fixedly connected with the inner wall of the extension pipe (44) coaxially, the supporting frame (451) is positioned at one side of the elastic ring piece (452) deviating from the prisoner liquid bin (42), in a natural state, the elastic ring piece (452) inclines towards the prisoner liquid bin (42), a gap is reserved between the elastic ring piece (452) and the supporting frame (451), and a gap is reserved between the elastic ring piece (452) and the side wall of the steel pipe (1);
The prison liquid bin (42) comprises a fixed bin shell (421) and an adjusting bin shell (422), the fixed bin shell (421) is relatively fixed with the cooling groove body (31), the adjusting bin shell (422) is slidably connected with the fixed bin shell (421), a feeding hole (426) is formed in the fixed bin shell (421), a discharging hole (427) is formed in the adjusting bin shell (422), the sliding direction of the adjusting bin shell (422) relative to the fixed bin shell (421) is consistent with the length direction of the steel tube (1), a corrugated pipe (423) is fixedly connected between the fixed bin shell (421) and the adjusting bin shell (422), and the liquid spraying mechanism (4) further comprises an adjusting source (43) for controlling the adjusting bin shell (422) to move.
2. A stainless steel welded pipe production system according to claim 1, wherein: the spray pipes (41) are arranged in the axial direction and the circumferential direction of the steel pipe (1), the pipe orifices of the spray pipes (41) face the central axis of the steel pipe (1), the spray pipes (41) close to the discharge holes (427) incline towards the feed holes (426), and the spray pipes (41) close to the feed holes (426) incline towards the discharge holes (427).
3. A stainless steel welded pipe production system according to claim 1, wherein: a plurality of drain holes (441) are formed in the extension pipe (44), the drain holes (441) are located below the extension pipe (44), and the drain holes (441) are distributed along the length direction of the extension pipe (44).
4. A stainless steel welded pipe production system according to claim 1, wherein: the extension pipe (44) is detachably connected with the prison cell (42), a conveying wheel (442) is rotatably connected to the inner wall of the extension pipe (44) at the position of the conveying discharge hole (427), and the wheel surface of the conveying wheel (442) is in rolling contact with the side wall of the steel pipe (1).
5. A stainless steel welded pipe production system according to claim 1, wherein: an overflow hole (424) is formed in the prisoner liquid bin (42), the position of the overflow hole (424) is higher than that of the steel pipe (1), and an overflow baffle (425) is fixedly connected to the outer wall of the prisoner liquid bin (42) and located at the overflow hole (424).
6. A process for producing a stainless steel welded pipe using the stainless steel welded pipe production system according to claim 5, characterized in that: the method sequentially comprises the following steps:
S1: processing the steel strip by using a pipe welder, and processing the steel strip into a steel pipe (1);
s2: quenching and heating the steel pipe (1) in the step S1;
s3: cooling the steel pipe (1) in the step S2;
S4, cutting the cooled steel pipe (1) to a fixed length;
before the steel pipe (1) starts to move in S1, the cooling device (3) is debugged: firstly, a steel pipe (1) passes through a prison liquid bin (42) and a corrugated pipe (423) is in an extension state, then, cooling liquid is injected into the prison liquid bin (42) through a liquid spraying pipe (41), when the cooling liquid in the prison liquid bin (42) enters at the same speed and flows out at the same speed, an adjusting source (43) is started, an adjusting bin shell (422) moves close to a fixed bin shell (421), the corrugated pipe (423) is compressed, the liquid level in the prison liquid bin (42) rises, and then, the steel pipe (1) moves normally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311535183.2A CN117506456B (en) | 2023-11-16 | 2023-11-16 | Stainless steel welded pipe production system and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311535183.2A CN117506456B (en) | 2023-11-16 | 2023-11-16 | Stainless steel welded pipe production system and process |
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| Publication Number | Publication Date |
|---|---|
| CN117506456A CN117506456A (en) | 2024-02-06 |
| CN117506456B true CN117506456B (en) | 2024-06-04 |
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| CN202311535183.2A Active CN117506456B (en) | 2023-11-16 | 2023-11-16 | Stainless steel welded pipe production system and process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200268690Y1 (en) * | 2001-12-18 | 2002-03-18 | (주)퍼니스테크 | heat treatment apparatus |
| CN110890262A (en) * | 2018-09-11 | 2020-03-17 | 北京北方华创微电子装备有限公司 | Chamber cooling device and semiconductor processing equipment |
| CN210524226U (en) * | 2019-07-11 | 2020-05-15 | 无锡俊逸焊管有限公司 | Steel pipe welding cooling device |
| CN115178849A (en) * | 2022-07-15 | 2022-10-14 | 芜湖三江高频焊管有限公司 | Welding cooling device of high-frequency welded pipe unit |
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2023
- 2023-11-16 CN CN202311535183.2A patent/CN117506456B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200268690Y1 (en) * | 2001-12-18 | 2002-03-18 | (주)퍼니스테크 | heat treatment apparatus |
| CN110890262A (en) * | 2018-09-11 | 2020-03-17 | 北京北方华创微电子装备有限公司 | Chamber cooling device and semiconductor processing equipment |
| CN210524226U (en) * | 2019-07-11 | 2020-05-15 | 无锡俊逸焊管有限公司 | Steel pipe welding cooling device |
| CN115178849A (en) * | 2022-07-15 | 2022-10-14 | 芜湖三江高频焊管有限公司 | Welding cooling device of high-frequency welded pipe unit |
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