CN112495948A - Heat-resisting method for stainless steel seamless steel pipe - Google Patents
Heat-resisting method for stainless steel seamless steel pipe Download PDFInfo
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- CN112495948A CN112495948A CN202011168425.5A CN202011168425A CN112495948A CN 112495948 A CN112495948 A CN 112495948A CN 202011168425 A CN202011168425 A CN 202011168425A CN 112495948 A CN112495948 A CN 112495948A
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- seamless steel
- steel pipe
- driving device
- groove
- stainless steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 196
- 239000010959 steel Substances 0.000 title claims abstract description 196
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 63
- 239000010935 stainless steel Substances 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000000428 dust Substances 0.000 claims abstract description 115
- 230000009471 action Effects 0.000 claims abstract description 34
- 238000004140 cleaning Methods 0.000 claims abstract description 28
- 239000012535 impurity Substances 0.000 claims abstract description 26
- 230000002441 reversible effect Effects 0.000 claims description 10
- 238000007790 scraping Methods 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 10
- 239000007789 gas Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/023—Cleaning the external surface
Abstract
The invention belongs to the technical field of seamless steel pipes, and particularly relates to a heat-resisting method of a stainless steel seamless steel pipe, wherein a cleaning device used in the method comprises a seamless steel pipe, a first driving device, a second driving device, a dust removing ring, a first rope and an arc-shaped clamping block; the first driving device and the second driving device are completely the same, the first driving device and the second driving device are respectively embedded on the outer surface of the seamless steel pipe through elastic arc plates arranged at the bottoms of the first driving device and the second driving device, and the dust removing ring is formed by splicing two dust removing semi-rings; according to the invention, the dust removing ring can slide between the first driving device and the second driving device along the outer surface of the seamless steel pipe in a reciprocating manner under the action of the first driving device and the second driving device, so that impurities attached to the outer surface of the stainless steel seamless steel pipe are removed, the heat dissipation capability of the stainless steel seamless steel pipe is improved, and the heat resistance of the stainless steel seamless steel pipe is improved.
Description
Technical Field
The invention belongs to the technical field of seamless steel pipes, and particularly relates to a heat-resisting method of a stainless steel seamless steel pipe.
Background
A Seamless Steel pipe (Seamless Steel Tube) is a long Steel material having a hollow cross section and no seam at the periphery. The general manufacturing method of the seamless steel pipe is as follows: the steel ingot or solid pipe blank is made into a tubular billet through perforation, and then the tubular billet is made into a tubular billet through hot rolling, cold rolling or cold drawing. Seamless steel pipes have a hollow cross section and are widely used as pipelines for transporting fluids, such as pipelines for transporting oil, natural gas, coal gas, water and certain solid materials.
However, in the use process of the stainless steel seamless steel pipe, a part of the stainless steel seamless steel pipe is installed in a severe environment such as underground or outdoors, in which impurities such as dust are more, and a large amount of impurities are accumulated on the outer surface of the stainless steel seamless steel pipe; the stainless steel seamless steel pipes are low in efficiency and high in labor cost when cleaned manually, and the outer surfaces of the stainless steel seamless steel pipes are often not cleaned completely manually, so that a large amount of sundries are accumulated on the outer surfaces of the stainless steel seamless steel pipes after long-term use, heat dissipation is uneven, the materials inside the stainless steel seamless steel pipes are affected, the heat resistance of the stainless steel seamless steel pipes is reduced, and the service life of the stainless steel seamless steel pipes is affected.
In view of the above, the first driving device and the second driving device are respectively arranged at the end part of the stainless steel seamless steel tube, and the dust removing ring slides back and forth between the first driving device and the second driving device along the outer surface of the seamless steel tube under the action of the first driving device and the second driving device, so that sundries attached to the outer surface of the stainless steel seamless steel tube are effectively removed on the premise of saving a large amount of manpower, the heat dissipation capacity of the stainless steel seamless steel tube is improved, and the heat resistance of the stainless steel seamless steel tube is improved.
Disclosure of Invention
The invention provides a heat-resisting method of a stainless steel seamless steel pipe, which aims to make up for the defects of the prior art and solve the problem that the heat radiation of the stainless steel seamless steel pipe is influenced due to the fact that a large amount of sundries are attached to the outer surface of the existing stainless steel seamless steel pipe, so that the heat resistance of the stainless steel seamless steel pipe is influenced.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a heat-resisting method of a stainless steel seamless steel pipe, which is characterized by comprising the following steps: the method comprises the following steps:
s1: firstly, dismantling a heat-resistant stainless steel seamless steel pipe with excessive impurities accumulated on the surface from a working environment, then fixing the stainless steel seamless steel pipe, installing a cleaning device on the outer surface of the heat-resistant stainless steel seamless steel pipe, and inspecting the cleaning device;
s2: after the cleaning device is determined to be normal, the cleaning device is started to effectively clean the outer surface of the stainless steel seamless steel pipe, the cleaning device is detached and the stainless steel seamless steel pipe is cleaned after the cleaning device works for 30-40min, then the stainless steel seamless steel pipe is placed in a natural environment to be dried, and the stainless steel seamless steel pipe is put into use again after being completely dried;
the cleaning device adopted in the S1 comprises a seamless steel pipe, a first driving device, a second driving device, a dust removing ring, a first rope and an arc-shaped fixture block; the first driving device and the second driving device are completely identical, and are respectively embedded on the outer surface of the seamless steel pipe through elastic arc plates arranged at the bottoms; the dedusting ring is formed by splicing two dedusting semi-rings, the dedusting ring is nested at the position of the outer surface of the seamless steel pipe between the first driving device and the second driving device, and the inner surface of the dedusting ring is in close contact with the outer surface of the seamless steel pipe; the top of the dust removing ring is embedded into a first groove formed in the lower surface of the arc-shaped clamping block, so that the dust removing ring is tightly combined with the arc-shaped clamping block; the first driving device comprises a protection shell, a protective cover, a driving roller and a forward and reverse rotation motor, wherein the protective cover is arranged at the top of the protection shell, the driving roller is rotatably connected with the protection shell through a supporting rod, a limiting groove is formed in the middle of the driving roller, and one end of the driving roller is fixedly connected with the forward and reverse rotation motor arranged on the inner surface of the side wall of the protection shell; the middle part of the first rope is fixed at the top of the arc-shaped fixture block, two ends of the first rope are respectively wound in limiting grooves on driving rollers of the first driving device and the second driving device, and the first rope is in a tightening state; through the action of the first driving device and the second driving device, the dust removing ring can move back and forth between the first driving device and the second driving device so as to remove sundries attached to the outer surface of the seamless steel pipe.
When the rope winding device is used, the positive and negative rotating motors on the first driving device and the second driving device are respectively started, and the output shafts of the positive and negative rotating motors on the first driving device and the second driving device synchronously rotate, so that the driving roller on the first driving device positively rotates and starts to wind up, and the driving roller on the second driving device positively rotates and starts to pay off, so that the first rope moves from the first driving device to the second driving device; because the bottom of the arc-shaped clamping block is fixedly connected with the first rope and the bottom is tightly combined with the dust removal ring through the first groove, the first rope moves and pulls the arc-shaped clamping block, so that the arc-shaped clamping block drives the dust removal ring to relatively slide on the outer surface of the seamless steel pipe; when the arc-shaped clamping block drives the dust removing ring to contact with the first driving device, the rotation directions of forward and reverse rotating motors on the first driving device and the second driving device are changed, at the moment, the driving roller on the first driving device reverses and starts to pay off, and the driving roller on the second driving device reverses and starts to take up, so that the first rope starts to move from the first driving device to the second driving device, and the dust removing ring moves to the second driving device along the outer surface of the seamless steel pipe under the action of the arc-shaped clamping block; the dust removing ring slides on the outer surface of the seamless steel pipe in a reciprocating manner along with the change of the steering periodicity of the forward and reverse rotating motor; because the inner surface of the dust removing ring is in close contact with the outer surface of the seamless steel pipe, the dust removing ring removes impurities attached to the outer surface of the seamless steel pipe while sliding on the outer surface of the seamless steel pipe; in addition, the dust removing ring is formed by splicing the two dust removing semi-rings, so that the dust removing ring is very convenient to install and dismantle, and the installation of the first driving device and the second driving device cannot be influenced.
Preferably, an annular plate with a triangular section is arranged at a position, close to the outer surface of the seamless steel pipe, on the side surface of the dust removal ring, and the end part of the annular plate is in close contact with the outer surface of the seamless steel pipe; impurities attached to the outer surface of the seamless steel pipe are further removed under the action that the annular plate moves back and forth between the first driving device and the second driving device along with the dust removing ring; during the use, when the dust ring slides along seamless steel pipe surface reciprocating along the effect of a rope along with arc fixture block, the annular plate slides at seamless steel pipe surface along with dust ring is synchronous for annular plate tip acts on seamless steel pipe surface along with dust ring is gliding, and because the annular plate cross-section is triangle-shaped and the tip of annular plate and seamless steel pipe surface in close contact with, make the stress concentration between annular plate tip and the seamless steel pipe surface, thereby make the adnexed debris of seamless steel pipe surface further detached.
Preferably, the outer surface of the seamless steel pipe is uniformly provided with a second groove, the inner surface of the dust removing ring is provided with a first lug at a position corresponding to the second groove, and the first lug is in close contact with the inner surface of the second groove; the first lug moves along the second groove, so that the dust removal ring relatively slides on the outer surface of the steel pipe and keeps a stable motion track; during the use, because a lug that dust removal intra-annular surface set up has all been embedded into No. two grooves that correspond for the dust removal ring is along No. two grooves all the time along the gliding while of arc clamp splice along with, thereby makes the dust removal ring receive the limiting displacement and keep a comparatively stable movement track, thereby avoids taking place the dislocation when the dust removal ring is gliding, thereby influences the cleaning action of dust removal ring to seamless steel pipe surface.
Preferably, a third groove is formed in the middle of the first bump, a first wheel is arranged in the third groove, the first wheel is rotatably connected with the side face of the third groove through a rotating shaft, and the first wheel is in close contact with the inner surface of the second groove; the friction resistance of the first lug sliding in the second groove is reduced through the rolling action of the first wheel along the inner surface of the second groove; during the use, when a lug reciprocates along with removing dust and encircles in No. two grooves, No. one wheel in No. three grooves on a lug receives frictional force in the contact with No. two inslot surfaces for a wheel rolls for No. two inslot surfaces, thereby makes some change into rolling friction in the sliding friction that receives in a lug, thereby makes the frictional resistance that receives when a lug slides in No. two grooves reduce, thereby makes the ring that removes dust slide more smoothly at seamless steel pipe surface.
Preferably, the first wheel is fixedly connected with the rotating shaft, scraping plates are uniformly arranged on the outer surface of the rotating shaft between the side surface of the second groove and the first wheel, and the end parts of the scraping plates are conical and are in contact with the inner surface of the second groove; the first wheel drives the rotating shaft to rotate, so that the end part of the scraper on the rotating shaft acts on the inner surface of the second groove and removes impurities attached to the inner surface of the second groove; when the rotary type groove is used, the rotary shaft is fixedly connected with the first wheel, so that the rotary shaft is driven to rotate relative to the side wall of the second groove while the first wheel rotates; therefore, the scrapers uniformly arranged on the outer surface of the rotating shaft rotate along with the rotating shaft and act on the inner surface of the second groove, so that impurities attached to the inner surface of the second groove are removed; in addition, the scraper rotates along with the rotating shaft and simultaneously acts on air near the surface of the scraper, so that the air flow velocity is accelerated and air flow is generated, the sundries removed by the scraper are blown out of the second groove under the action of the air flow, and the removed sundries are prevented from being attached to the inner surface of the second groove again.
Preferably, the inner surface of the elastic arc plate is provided with a first bag, the outer surface of the first bag is uniformly provided with rough patterns and is in close contact with the outer surface of the seamless steel pipe, the first bag is provided with a first pipe, and the first pipe is internally provided with a one-way valve; the elastic arc plate is tightly combined with the seamless steel pipe through the action of the first bag, so that the first driving device and the second driving device are firmly fixed on the outer surface of the seamless steel pipe; when in use, the first pocket is arranged on the inner surface of the elastic arc plate, and the rough patterns are uniformly arranged on the outer surface of the first pocket, so that the relative friction between the inner surface of the elastic arc plate and the outer surface of the seamless steel pipe is larger under the action of the first pocket; in the process of mounting and dismounting the elastic arc plate, the part of the outer surface of the seamless steel pipe, which is in contact with the elastic arc plate, is subjected to larger friction force, so that sundries attached to the part of the outer surface of the seamless steel pipe, which is in contact with the elastic arc plate, are removed, and the cleaning effect on the outer surface of the seamless steel pipe is more thorough; in addition, when the elastic arc plate is arranged on the outer surface of the seamless steel pipe, air can be introduced into the first bag from the first pipe, and the first bag is expanded, so that the elastic arc plate and the seamless steel pipe are combined more stably, and the first driving device and the second driving device are fixed on the outer surface of the seamless steel pipe more firmly.
Preferably, the end part of the first bag extends out of the gap between the elastic circular arc plate and the seamless steel tube, and air outlet holes are uniformly formed in the outer surface of the part of the first bag extending out of the gap between the elastic circular arc plate and the seamless steel tube, and the diameter of each air outlet hole is 1-2 mm; the first bag is enabled to eject gas and blow off sundries attached to the annular plate under the action of extruding the first bag by the end part of the annular plate on the dust removing ring; when the dust removing ring is used, the end part of the first bag extends out of the gap between the elastic arc plate and the seamless steel pipe, so that before the dust removing ring slides under the action of the arc-shaped clamping block and is contacted with the first driving device or the second driving device, the part of the first bag extending out of the gap between the elastic arc plate and the seamless steel pipe is firstly contacted with the annular plate on the side surface of the dust removing ring, and the first bag is deformed under pressure and sprays gas from the gas outlet hole; on one hand, the dust removing ring is subjected to a buffering action under the action of the first bag, so that the dust removing ring is prevented from directly colliding with the first driving device or the second driving device and being damaged; on the other hand, because the diameter of venthole is less, consequently the gas velocity of flow that No. one bag spouts from the venthole is great for dust removal ring side and annular plate side all receive stronger impact, thereby make the attached debris of dust removal ring side and annular plate side break away from seamless steel pipe under the impact of air current.
Preferably, a group of through holes are uniformly formed in the side surface of the arc-shaped clamping block close to the bottom, a limiting rod is embedded in each through hole, and two end parts of each limiting rod are fixedly connected with the first driving device and the second driving device respectively; the limiting rod is connected with the through hole in a sliding mode, and the limiting rod is parallel to the first rope; during the use, when the arc clamp splice drives the dust removal ring and when seamless steel pipe surface slides under No. one rope effect, the through-hole that the arc clamp splice side evenly set up removes for the gag lever post to make the arc clamp splice remain stable movement track when gliding, thereby avoid the arc clamp splice to take place the clean effect of dislocation influence dust removal ring to seamless steel pipe surface.
The invention has the following beneficial effects:
1. according to the heat-resisting method for the stainless steel seamless steel tube, the first driving device and the second driving device are respectively arranged at the end part of the stainless steel seamless steel tube, and the dust removing ring slides back and forth between the first driving device and the second driving device along the outer surface of the stainless steel seamless steel tube under the action of the first driving device and the second driving device, so that impurities attached to the outer surface of the stainless steel seamless steel tube are removed, the heat-radiating capacity of the stainless steel seamless steel tube is improved, the heat resistance of the stainless steel seamless steel tube is improved, and the service life of the stainless steel seamless steel tube is prolonged.
2. According to the heat-resisting method for the stainless steel seamless steel tube, the second groove is formed in the outer surface of the seamless steel tube, the first lug is arranged on the inner surface of the dust removing ring, the first lug moves along the second groove, the dust removing ring keeps a stable motion track while moving on the outer surface of the seamless steel tube, and therefore dislocation of the dust removing ring during sliding is avoided and normal work of the dust removing ring is prevented from being influenced.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
in the figure: the seamless steel tube comprises a seamless steel tube 1, a second groove 11, a first driving device 2, an elastic arc plate 21, a first bag 211, a first tube 212, an air outlet hole 213, a protective shell 22, a protective cover 23, a driving roller 24, a supporting rod 241, a limiting groove 242, a second driving device 3, a dust removal ring 4, a dust removal semi-ring 41, an annular plate 42, a first bump 43, a third groove 431, a first wheel 432, a rotating shaft 433, a scraping plate 434, a first rope 5, an arc-shaped fixture block 6, a first groove 61, a first through hole 62 and a limiting rod 63.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, the heat resisting method of the stainless steel seamless steel tube of the present invention is characterized in that: the method comprises the following steps:
s1: firstly, dismantling a heat-resistant stainless steel seamless steel pipe with excessive impurities accumulated on the surface from a working environment, then fixing the stainless steel seamless steel pipe, installing a cleaning device on the outer surface of the heat-resistant stainless steel seamless steel pipe, and inspecting the cleaning device;
s2: after the cleaning device is determined to be normal, the cleaning device is started to effectively clean the outer surface of the stainless steel seamless steel pipe, the cleaning device is detached and the stainless steel seamless steel pipe is cleaned after the cleaning device works for 30-40min, then the stainless steel seamless steel pipe is placed in a natural environment to be dried, and the stainless steel seamless steel pipe is put into use again after being completely dried;
the cleaning device adopted in the S1 comprises a seamless steel tube 1, a first driving device 2, a second driving device 3, a dust removing ring 4, a first rope 5 and an arc-shaped fixture block 6; the first driving device 2 and the second driving device 3 are completely the same, and the first driving device 2 and the second driving device 3 are respectively embedded on the outer surface of the seamless steel tube 1 through an elastic arc plate 21 arranged at the bottom; the dedusting ring 4 is formed by splicing two dedusting semi-rings 41, the dedusting ring 4 is nested at the position of the outer surface of the seamless steel pipe 1 between the first driving device 2 and the second driving device 3, and the inner surface of the dedusting ring 4 is in close contact with the outer surface of the seamless steel pipe 1; the top of the dust removing ring 4 is embedded into a first groove 61 arranged on the lower surface of the arc-shaped fixture block 6, so that the dust removing ring 4 is tightly combined with the arc-shaped fixture block 6; the first driving device 2 comprises a protection shell 22, a protection cover 23, a driving roller 24 and a forward and backward rotation motor, wherein the protection cover 23 is arranged at the top of the protection shell 22, the driving roller 24 is rotatably connected with the protection shell 22 through a supporting rod 241, a limiting groove 242 is arranged in the middle of the driving roller 24, and one end of the driving roller 24 is fixedly connected with the forward and backward rotation motor arranged on the inner surface of the side wall of the protection shell 22; the middle part of the first rope 5 is fixed at the top of the arc-shaped fixture block 6, two ends of the first rope 5 are respectively wound in the limiting grooves 242 on the driving rollers 24 of the first driving device 2 and the second driving device 3, and the first rope 5 is in a tightened state; through the action of the first driving device 2 and the second driving device 3, the dust removing ring 4 reciprocates between the first driving device 2 and the second driving device 3 so as to remove impurities attached to the outer surface of the seamless steel pipe 1.
When the rope winding machine is used, the positive and negative rotating motors on the first driving device 2 and the second driving device 3 are respectively started, and the output shafts of the positive and negative rotating motors on the first driving device 2 and the second driving device 3 synchronously rotate, so that the driving roller 24 on the first driving device 2 positively rotates and starts to wind up, the driving roller 24 on the second driving device 3 positively rotates and starts to pay off, and the first rope 5 moves from the first driving device 2 to the second driving device 3; because the bottom of the arc-shaped fixture block 6 is fixedly connected with the first rope 5 and the bottom is tightly combined with the dust removal ring 4 through the first groove 61, the first rope 5 moves and pulls the arc-shaped fixture block 6, so that the arc-shaped fixture block 6 drives the dust removal ring 4 to relatively slide on the outer surface of the seamless steel pipe 1; when the arc-shaped clamping block 6 drives the dedusting ring 4 to contact with the first driving device 2, the rotation directions of forward and reverse rotating motors on the first driving device 2 and the second driving device 3 are changed, at the moment, the driving roller 24 on the first driving device 2 reverses and starts to pay off, and the driving roller 24 on the second driving device 3 reverses and starts to take up, so that the first rope 5 starts to move from the first driving device 2 to the second driving device 3, and the dedusting ring 4 moves towards the second driving device 3 along the outer surface of the seamless steel pipe 1 under the action of the arc-shaped clamping block 6; the rotation direction of the forward and reverse rotating motor is changed periodically, so that the dust removing ring 4 slides on the outer surface of the seamless steel pipe 1 in a reciprocating manner; because the inner surface of the dust removing ring 4 is in close contact with the outer surface of the seamless steel tube 1, the dust removing ring 4 removes impurities attached to the outer surface of the seamless steel tube 1 while sliding on the outer surface of the seamless steel tube 1; in addition, the dust removing ring 4 is formed by splicing two dust removing semi-rings 41, so that the dust removing ring 4 is very convenient to install and remove, and the installation of the first driving device 2 and the second driving device 3 cannot be influenced.
As a specific embodiment of the present invention, a ring-shaped plate 42 with a triangular cross section is disposed on a position of the side surface of the dust removing ring 4 close to the outer surface of the seamless steel pipe 1, and the end of the ring-shaped plate 42 is in close contact with the outer surface of the seamless steel pipe 1; impurities attached to the outer surface of the seamless steel pipe 1 are further removed under the action that the annular plate 42 moves back and forth between the first driving device 2 and the second driving device 3 along with the dust removing ring 4; when the seamless steel tube dust removing device is used, when the dust removing ring 4 slides along the outer surface of the seamless steel tube 1 in a reciprocating mode under the action of the first rope 5 along with the arc-shaped clamping block 6, the annular plate 42 slides on the outer surface of the seamless steel tube 1 along with the dust removing ring 4 synchronously, the end portion of the annular plate 42 acts on the outer surface of the seamless steel tube 1 along with the sliding of the dust removing ring 4, the cross section of the annular plate 42 is triangular, the end portion of the annular plate 42 is in close contact with the outer surface of the seamless steel tube 1, stress between the end portion of the annular plate 42 and the outer surface of the seamless steel tube 1 is concentrated, and accordingly sundr.
As a specific embodiment of the present invention, the outer surface of the seamless steel tube 1 is uniformly provided with a second groove 11, a first projection 43 is arranged at a position on the inner surface of the dust removing ring 4 corresponding to the second groove 11, and the first projection 43 is in close contact with the inner surface of the second groove 11; through the action that the first lug 43 moves along the second groove 11, the dust removing ring 4 keeps a stable motion track while relatively sliding on the outer surface of the steel pipe; during the use, because No. two grooves 11 that correspond have all been embedded into to a lug 43 that the internal surface of dust ring 4 set up for dust ring 4 is along No. two grooves 11 all the time along the gliding while of arc clamp splice, thereby makes dust ring 4 receive the limiting displacement and keep a comparatively stable motion trail, thereby avoids taking place the dislocation when dust ring 4 is gliding, thereby influences the cleaning action of dust ring 4 to seamless steel pipe 1 surface.
As a specific embodiment of the present invention, a third groove 431 is formed in the middle of the first projection 43, a first wheel 432 is arranged inside the third groove 431, the first wheel 432 is rotatably connected to the side surface of the third groove 431 through a rotating shaft 433, and the first wheel 432 is in close contact with the inner surface of the second groove 11; the friction resistance of the first bump 43 sliding in the second groove 11 is reduced by the rolling action of the first wheel 432 along the inner surface of the second groove 11; when the first lug 43 slides in the second groove 11 in a reciprocating manner along with the dust removing ring 4, the first wheel 432 in the third groove 431 on the first lug 43 is subjected to friction force in contact with the inner surface of the second groove 11, so that the first wheel 432 rolls relative to the inner surface of the second groove 11, a part of sliding friction borne by the first lug 43 is converted into rolling friction, the friction resistance borne by the first lug 43 in the sliding process in the second groove 11 is reduced, and the dust removing ring 4 slides more smoothly on the outer surface of the seamless steel pipe 1.
As a specific embodiment of the present invention, the first wheel 432 is fixedly connected to the rotating shaft 433, and a scraping plate 434 is uniformly disposed on a portion of the outer surface of the rotating shaft 433, which is located between the side surface of the second groove 11 and the first wheel 432, and an end of the scraping plate 434 is tapered and contacts with the inner surface of the second groove 11; the first wheel 432 drives the rotating shaft 433 to rotate, so that the end part of the scraping plate 434 on the rotating shaft 433 acts on the inner surface of the second groove 11 and removes impurities attached to the inner surface of the second groove 11; when in use, the rotating shaft 433 is fixedly connected with the first wheel 432, so that the first wheel 432 rotates and simultaneously drives the rotating shaft 433 to rotate relative to the side wall of the second groove 11; therefore, the scrapers 434 uniformly arranged on the outer surface of the rotating shaft 433 rotate along with the rotating shaft 433 and act on the inner surface of the second groove 11, so that impurities attached to the inner surface of the second groove 11 are removed; in addition, the air near the surface of the scraper 434 is acted on while the scraper 434 rotates along with the rotating shaft 433, so that the air flow velocity is increased and the air flow is generated, so that the foreign matters removed by the scraper 434 are blown out of the second groove 11 under the action of the air flow, and the removed foreign matters are prevented from adhering to the inner surface of the second groove 11 again.
As a specific embodiment of the present invention, a first bag 211 is disposed on an inner surface of the elastic arc plate 21, a rough pattern is uniformly disposed on an outer surface of the first bag 211 and is in close contact with an outer surface of the seamless steel tube 1, a first tube 212 is disposed on the first bag 211, and a check valve is disposed in the first tube 212; the elastic arc plate 21 is tightly combined with the seamless steel tube 1 through the action of the first pocket 211, so that the first driving device 2 and the second driving device 3 are firmly fixed on the outer surface of the seamless steel tube 1; when in use, the first pocket 211 is arranged on the inner surface of the elastic arc plate 21, and the rough patterns are uniformly arranged on the outer surface of the first pocket 211, so that the relative friction between the inner surface of the elastic arc plate 21 and the outer surface of the seamless steel pipe 1 is larger under the action of the first pocket 211; in the process of mounting and dismounting the elastic arc plate 21, the part of the outer surface of the seamless steel pipe 1, which is in contact with the elastic arc plate 21, is subjected to larger friction force, so that impurities attached to the part of the outer surface of the seamless steel pipe 1, which is in contact with the elastic arc plate 21, are removed, and the cleaning effect on the outer surface of the seamless steel pipe 1 is more thorough; in addition, when the elastic circular arc plate 21 is installed on the outer surface of the seamless steel tube 1, air can be introduced into the first bag 211 from the first tube 212, and the first bag 211 is expanded, so that the combination between the elastic circular arc plate 21 and the seamless steel tube 1 is more stable, and the first driving device 2 and the second driving device 3 are more firmly fixed on the outer surface of the seamless steel tube 1.
As a specific embodiment of the present invention, the end of the first bladder 211 extends out of the gap between the elastic circular arc plate 21 and the seamless steel tube 1, and the outer surface of the portion of the first bladder 211 extending out of the gap between the elastic circular arc plate 21 and the seamless steel tube 1 is uniformly provided with air outlets 213, and the diameter of each air outlet 213 is 1-2 mm; the first bag 211 is enabled to eject gas and blow off sundries attached to the annular plate 42 through the action that the end part of the annular plate 42 on the dust removing ring 4 presses the first bag 211; when the dust removing device is used, the end part of the first bag 211 extends out of the gap between the elastic circular arc plate 21 and the seamless steel tube 1, so that before the dust removing ring 4 slides under the action of the arc-shaped fixture block 6 and is contacted with the first driving device 2 or the second driving device 3, the part of the first bag 211 extending out of the gap between the elastic circular arc plate 21 and the seamless steel tube 1 is firstly contacted with the annular plate 42 on the side surface of the dust removing ring 4, and the first bag 211 is deformed under pressure and sprays gas from the gas outlet hole 213; on one hand, the dust removing ring 4 is subjected to a buffering action under the action of the first bag 211, so that the dust removing ring 4 is prevented from directly colliding with the first driving device 2 or the second driving device 3 and being damaged; on the other hand, because the diameter of the air outlet hole 213 is smaller, the flow velocity of the gas ejected from the air outlet hole 213 by the first bag 211 is larger, so that the side surface of the dust removing ring 4 and the side surface of the annular plate 42 are both subjected to stronger impact, and the impurities attached to the side surface of the dust removing ring 4 and the side surface of the annular plate 42 are separated from the seamless steel tube 1 under the impact of the air flow.
As a specific embodiment of the present invention, a group of first through holes 62 is uniformly formed in a portion of the side surface of the arc-shaped fixture block 6 close to the bottom, a limiting rod 63 is embedded in each first through hole 62, and two end portions of each limiting rod 63 are fixedly connected to the first driving device 2 and the second driving device 3 respectively; the limiting rod 63 is connected with the first through hole 62 in a sliding mode, and the limiting rod 63 is parallel to the first rope 5; during the use, when the arc clamp splice drives under the effect of a rope 5 and removes dust ring 4 and when the surface of seamless steel pipe 1 slides, a through-hole 62 that the arc clamp splice side evenly set up removes for gag lever post 63 to make the arc clamp splice remain stable movement track in gliding, thereby avoid the arc clamp splice to take place the clean effect of dislocation influence dust ring 4 to seamless steel pipe 1 surface.
When the rope winding machine is used, the positive and negative rotating motors on the first driving device 2 and the second driving device 3 are respectively started, and the output shafts of the positive and negative rotating motors on the first driving device 2 and the second driving device 3 synchronously rotate, so that the driving roller 24 on the first driving device 2 positively rotates and starts to wind up, the driving roller 24 on the second driving device 3 positively rotates and starts to pay off, and the first rope 5 moves from the first driving device 2 to the second driving device 3; because the bottom of the arc-shaped fixture block 6 is fixedly connected with the first rope 5 and the bottom is tightly combined with the dust removal ring 4 through the first groove 61, the first rope 5 moves and pulls the arc-shaped fixture block 6, so that the arc-shaped fixture block 6 drives the dust removal ring 4 to relatively slide on the outer surface of the seamless steel pipe 1; when the arc-shaped clamping block 6 drives the dedusting ring 4 to contact with the first driving device 2, the rotation directions of forward and reverse rotating motors on the first driving device 2 and the second driving device 3 are changed, at the moment, the driving roller 24 on the first driving device 2 reverses and starts to pay off, and the driving roller 24 on the second driving device 3 reverses and starts to take up, so that the first rope 5 starts to move from the first driving device 2 to the second driving device 3, and the dedusting ring 4 moves towards the second driving device 3 along the outer surface of the seamless steel pipe 1 under the action of the arc-shaped clamping block 6; the rotation direction of the forward and reverse rotating motor is changed periodically, so that the dust removing ring 4 slides on the outer surface of the seamless steel pipe 1 in a reciprocating manner; because the inner surface of the dust removing ring 4 is in close contact with the outer surface of the seamless steel tube 1, the dust removing ring 4 removes impurities attached to the outer surface of the seamless steel tube 1 while sliding on the outer surface of the seamless steel tube 1; in addition, the dust removing ring 4 is formed by splicing two dust removing semi-rings 41, so that the dust removing ring 4 is very convenient to install and remove, and the installation of the first driving device 2 and the second driving device 3 cannot be influenced; when the dust removing ring 4 slides back and forth along the outer surface of the seamless steel tube 1 along with the arc-shaped clamping block 6 under the action of the first rope 5, the annular plate 42 slides on the outer surface of the seamless steel tube 1 along with the dust removing ring 4 synchronously, so that the end part of the annular plate 42 slides along with the dust removing ring 4 and acts on the outer surface of the seamless steel tube 1 simultaneously, and because the section of the annular plate 42 is triangular and the end part of the annular plate 42 is in close contact with the outer surface of the seamless steel tube 1, the stress between the end part of the annular plate 42 and the outer surface of the seamless steel tube 1 is concentrated, and therefore sundries attached to the outer; because the first convex blocks 43 arranged on the inner surface of the dust removing ring 4 are all embedded into the corresponding second grooves 11, the dust removing ring 4 slides along the arc-shaped clamping blocks and simultaneously always follows the second grooves 11, the dust removing ring 4 is limited and keeps a stable motion track, and the dust removing ring 4 is prevented from being misplaced while sliding, so that the cleaning effect of the dust removing ring 4 on the outer surface of the seamless steel pipe 1 is influenced; when the first lug 43 slides back and forth in the second groove 11 along with the dust removing ring 4, the first wheel 432 in the third groove 431 on the first lug 43 is subjected to friction force in contact with the inner surface of the second groove 11, so that the first wheel 432 rolls relative to the inner surface of the second groove 11, a part of the sliding friction in the first lug 43 is converted into rolling friction, the friction resistance when the first lug 43 slides in the second groove 11 is reduced, and the dust removing ring 4 slides more smoothly on the outer surface of the seamless steel pipe 1; because the rotating shaft 433 is fixedly connected with the first wheel 432, the rotating shaft 433 is driven to rotate relative to the side wall of the second groove 11 when the first wheel 432 rotates; therefore, the scrapers 434 uniformly arranged on the outer surface of the rotating shaft 433 rotate along with the rotating shaft 433 and act on the inner surface of the second groove 11, so that impurities attached to the inner surface of the second groove 11 are removed; in addition, the scraper 434 rotates along with the rotating shaft 433, and simultaneously acts on the air near the surface of the scraper 434, so that the air flow speed is increased, and an air flow is generated, so that the impurities removed by the scraper 434 are blown out of the second groove 11 under the action of the air flow, and the removed impurities are prevented from being attached to the inner surface of the second groove 11 again; because the first pocket 211 is arranged on the inner surface of the elastic arc plate 21 and the rough patterns are uniformly arranged on the outer surface of the first pocket 211, the relative friction between the inner surface of the elastic arc plate 21 and the outer surface of the seamless steel pipe 1 is larger under the action of the first pocket 211; in the process of mounting and dismounting the elastic arc plate 21, the part of the outer surface of the seamless steel pipe 1, which is in contact with the elastic arc plate 21, is subjected to larger friction force, so that impurities attached to the part of the outer surface of the seamless steel pipe 1, which is in contact with the elastic arc plate 21, are removed, and the cleaning effect on the outer surface of the seamless steel pipe 1 is more thorough; in addition, when the elastic circular arc plate 21 is installed on the outer surface of the seamless steel tube 1, air can be introduced into the first bag 211 from the first tube 212, and the first bag 211 is expanded, so that the combination between the elastic circular arc plate 21 and the seamless steel tube 1 is more stable, and the first driving device 2 and the second driving device 3 are more firmly fixed on the outer surface of the seamless steel tube 1.
The front, the back, the left, the right, the upper and the lower are all based on the figure 2 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A heat-resisting method of a stainless steel seamless steel pipe is characterized by comprising the following steps: the method comprises the following steps:
s1: firstly, dismantling a heat-resistant stainless steel seamless steel pipe with excessive impurities accumulated on the surface from a working environment, then fixing the stainless steel seamless steel pipe, installing a cleaning device on the outer surface of the heat-resistant stainless steel seamless steel pipe, and inspecting the cleaning device;
s2: after the cleaning device is determined to be normal, the cleaning device is started to effectively clean the outer surface of the stainless steel seamless steel pipe, the cleaning device is detached and the stainless steel seamless steel pipe is cleaned after the cleaning device works for 30-40min, then the stainless steel seamless steel pipe is placed in a natural environment to be dried, and the stainless steel seamless steel pipe is put into use again after being completely dried;
the cleaning device adopted in the S1 comprises a seamless steel pipe (1), a first driving device (2), a second driving device (3), a dust removing ring (4), a first rope (5) and an arc-shaped clamping block (6); the first driving device (2) and the second driving device (3) are completely the same, and the first driving device (2) and the second driving device (3) are respectively embedded on the outer surface of the seamless steel pipe (1) through elastic arc plates (21) arranged at the bottoms; the dedusting ring (4) is formed by splicing two dedusting semi-rings (41), the dedusting ring (4) is nested at the position, located between the first driving device (2) and the second driving device (3), of the outer surface of the seamless steel pipe (1), and the inner surface of the dedusting ring (4) is in close contact with the outer surface of the seamless steel pipe (1); the top of the dust removing ring (4) is embedded into a first groove (61) formed in the lower surface of the arc-shaped fixture block (6), so that the dust removing ring (4) is tightly combined with the arc-shaped fixture block (6); the first driving device (2) comprises a protection shell (22), a protection cover (23), a driving roller (24) and a forward and reverse rotation motor, wherein the protection cover (23) is arranged at the top of the protection shell (22), the driving roller (24) is rotatably connected with the protection shell (22) through a supporting rod (241), a limiting groove (242) is formed in the middle of the driving roller (24), and one end of the driving roller (24) is fixedly connected with the forward and reverse rotation motor arranged on the inner surface of the side wall of the protection shell (22); the middle part of the first rope (5) is fixed at the top of the arc-shaped fixture block (6), two ends of the first rope (5) are respectively wound in limiting grooves (242) on driving rollers (24) of the first driving device (2) and the second driving device (3), and the first rope (5) is in a tightened state; through the action of the first driving device (2) and the second driving device (3), the dust removing ring (4) moves between the first driving device (2) and the second driving device (3) in a reciprocating mode, and therefore impurities attached to the outer surface of the seamless steel pipe (1) are removed.
2. The heat resisting method for the stainless steel seamless steel pipe according to claim 1, characterized in that: an annular plate (42) with a triangular section is arranged at a position, close to the outer surface of the seamless steel pipe (1), of the side surface of the dust removing ring (4), and the end part of the annular plate (42) is in close contact with the outer surface of the seamless steel pipe (1); impurities attached to the outer surface of the seamless steel pipe (1) are further removed through the reciprocating movement of the annular plate (42) between the first driving device (2) and the second driving device (3) along with the dust removing ring (4).
3. The heat resisting method for the stainless steel seamless steel pipe according to claim 2, characterized in that: the outer surface of the seamless steel pipe (1) is uniformly provided with a second groove (11), the inner surface of the dust removing ring (4) is provided with a first lug (43) at a position corresponding to the second groove (11), and the first lug (43) is tightly contacted with the inner surface of the second groove (11); the first lug (43) moves along the second groove (11) so that the dust removing ring (4) keeps a stable motion track while relatively sliding on the outer surface of the steel pipe.
4. The heat resisting method for the stainless steel seamless steel pipe according to claim 3, characterized in that: a third groove (431) is formed in the middle of the first bump (43), a first wheel (432) is arranged in the third groove (431), the first wheel (432) is rotatably connected with the side surface of the third groove (431) through a rotating shaft (433), and the first wheel (432) is tightly contacted with the inner surface of the second groove (11); the friction resistance of the first bump (43) sliding in the second groove (11) is reduced by the rolling action of the first wheel (432) along the inner surface of the second groove (11).
5. The heat resisting method for the stainless steel seamless steel pipe according to claim 4, characterized in that: the first wheel (432) is fixedly connected with the rotating shaft (433), scraping plates (434) are uniformly arranged on the outer surface of the rotating shaft (433) between the side surface of the second groove (11) and the first wheel (432), and the end parts of the scraping plates (434) are conical and are in contact with the inner surface of the second groove (11); the first wheel (432) drives the rotating shaft (433) to rotate, so that the end part of the scraper (434) on the rotating shaft (433) acts on the inner surface of the second groove (11) and removes impurities attached to the inner surface of the second groove (11).
6. The heat resisting method for the stainless steel seamless steel pipe according to claim 5, characterized in that: a first bag (211) is arranged on the inner surface of the elastic arc plate (21), rough patterns are uniformly arranged on the outer surface of the first bag (211) and are in close contact with the outer surface of the seamless steel pipe (1), a first pipe (212) is arranged on the first bag (211), and a check valve is arranged in the first pipe (212); the elastic arc plate (21) is tightly combined with the seamless steel pipe (1) through the action of the first pocket (211), so that the first driving device (2) and the second driving device (3) are firmly fixed on the outer surface of the seamless steel pipe (1).
7. The heat resisting method for the stainless steel seamless steel pipe according to claim 6, characterized in that: the end part of the first air bag (211) extends out of the gap between the elastic circular arc plate (21) and the seamless steel pipe (1), air outlet holes (213) are uniformly formed in the outer surface of the part of the first air bag (211) extending out of the gap between the elastic circular arc plate (21) and the seamless steel pipe (1), and the diameter of each air outlet hole (213) is 1-2 mm; the first bag (211) is extruded by the end part of the annular plate (42) on the dust removing ring (4), so that the first bag (211) sprays gas and blows off sundries attached to the annular plate (42).
8. The heat resisting method for the stainless steel seamless steel pipe according to claim 7, characterized in that: a group of first through holes (62) are uniformly formed in the side surface of the arc-shaped clamping block (6) close to the bottom, a limiting rod (63) is embedded in each first through hole (62), and two end parts of each limiting rod (63) are fixedly connected with the first driving device (2) and the second driving device (3) respectively; the limiting rod (63) is connected with the first through hole (62) in a sliding mode, and the limiting rod (63) is parallel to the first rope (5).
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| CN202011168425.5A CN112495948A (en) | 2020-10-28 | 2020-10-28 | Heat-resisting method for stainless steel seamless steel pipe |
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| CN202011168425.5A CN112495948A (en) | 2020-10-28 | 2020-10-28 | Heat-resisting method for stainless steel seamless steel pipe |
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Application publication date: 20210316 |