CN109208018B - Pickling process of copper and copper alloy special pipe - Google Patents
Pickling process of copper and copper alloy special pipe Download PDFInfo
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- CN109208018B CN109208018B CN201811312311.6A CN201811312311A CN109208018B CN 109208018 B CN109208018 B CN 109208018B CN 201811312311 A CN201811312311 A CN 201811312311A CN 109208018 B CN109208018 B CN 109208018B
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
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Abstract
The invention belongs to the technical field of copper pipe pickling processes, and particularly relates to a pickling process for a copper and copper alloy special pipe, which comprises the following steps: adding a plurality of copper pipes into a material loading module of copper and copper alloy special pipe production equipment; the surfaces of a plurality of wave-type absorption plates which are arranged at the positions of air outlets of a protective cover covering the top of a pickling tank of copper and copper alloy special pipe production equipment are coated with sodium carbonate coatings to absorb acid gas generated by pickling; placing a plurality of acid-resistant rubber balls filled with acid pickling powder into a channel with the wall thickness of the protective cover; a push rod is arranged at the position of a channel opening of the wall thickness of the protective cover, a cutter point is fixed at the top end of the push rod and is positioned below an acid-resistant rubber ball at the bottom opening of the channel, and the acid-resistant rubber ball is punctured by the movement of the push rod; the invention absorbs acid gas generated by acid cleaning, reduces the harm of the acid gas to workers and improves the safety factor of the acid cleaning; and acid-washing substances are supplemented in time, so that the acid-washing quality of the copper pipe is improved.
Description
Technical Field
The invention belongs to the technical field of copper pipe pickling processes, and particularly relates to a pickling process for copper and copper alloy special pipes.
Background
The production process of the copper pipe generally comprises batching, smelting, horizontal continuous casting, extruding, pickling, rolling and the like, wherein the pickling has the function of removing oxide skin and rusty materials on the surface of the copper by utilizing an acid solution, and is a method for cleaning the surface of metal. As acids commonly used for pickling, there are inorganic acids such as hydrochloric acid, sulfuric acid, phosphoric acid, hydrofluoric acid, sulfamic acid and the like, and organic acids such as citric acid, EDTA and the like. However, since acid has a corrosive effect on metal equipment, particularly inorganic acid is more severely corroded, and simultaneously, the released hydrogen diffuses into the metal, so that hydrogen embrittlement occurs in the washed equipment. In addition, the large amount of acid gas deposited deteriorates the working conditions. Acid gas generated by acid washing is not absorbed, and harm is generated to physical health of workers when the acid gas is directly discharged.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides the pickling process for the copper and copper alloy special pipe, which aims to prevent the copper pipe matrix in the pickling tank from being excessively corroded, so that the pickling quality is improved, the gas generated by pickling is absorbed, the harm to workers caused by the fact that acid gas is diffused in the air is avoided, and the pickling safety is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a pickling process for a copper and copper alloy special pipe, which comprises the following steps:
s1: adding a plurality of copper pipes into a material loading module of copper and copper alloy special pipe production equipment;
s2: the surfaces of a plurality of wave-type absorption plates arranged at the positions of air outlets of the protective covers covering the tops of the pickling boxes of the copper and copper alloy special pipe production equipment in the S1 are coated with sodium carbonate coatings to absorb acid gas generated by pickling; the acid gas generated by pickling is absorbed by the sodium carbonate coated on the wave-shaped absorption plate, so that the harm to workers caused by the acid gas diffused in the air is avoided, and the pickling safety is improved;
s3: placing a plurality of acid-resistant rubber balls filled with acid-washing powder into a channel with the wall thickness of the protective cover in S2; an inclined angle is formed between the channel and the horizontal central line of the protective cover, so that the acid-resistant rubber ball can roll in the channel conveniently, and the inner diameter of the bottom opening of the channel is smaller than the outer diameter of the acid-resistant rubber ball, so that the acid-resistant rubber ball is prevented from falling off;
s4: a push rod is arranged at the position of a channel opening of the wall thickness of the protective cover in S3, a cutter point is fixed at the top end of the push rod and is positioned below the acid-resistant rubber ball at the bottom opening of the channel, and the acid-resistant rubber ball is punctured by the movement of the push rod; when the material loading module moves upwards to push the push rod to move upwards, the push rod punctures the acid-resistant rubber ball at the position of the bottom opening of the channel, the acid-resistant rubber ball adjacent to the push rod rolls to perform position supplement, the scattered pickling powder is mixed with the pickling solution, the acid substances are supplemented in time, and the pickling efficiency of the copper pipe is improved;
the production equipment of the copper and copper alloy special pipe in the steps S1 to S4 comprises a pickling tank, an ultrasonic generator, a stand column, an annular air bag and a material loading module; two ultrasonic generators are arranged on the inner walls of two sides of the pickling box and used for accelerating the pickling progress of the copper pipe, an air pump is arranged at the bottom of the pickling box, and an upright post is fixed at the central position inside the pickling box; the material loading module is sleeved in the middle of the upright post, the bottom of the material loading module is symmetrically connected with two annular air bags, the annular air bags are used for floating the material loading module, exhaust valves are embedded and connected in the inner sides of the annular air bags, the material loading module is used for loading copper pipes, and annular magnets are sleeved in the inner sides of the material loading module; the bottom of the upright post is provided with an air passage which is of a T-shaped structure, two ends of the horizontal section of the air passage are respectively communicated with the two annular air bags, and the top of the upright post is provided with an electromagnet; the electromagnet is of a cylindrical structure, and one side of the electromagnet adjacent to the annular magnet is a synonym magnetic pole. When the pickling tank works, the pickling solution is added into the pickling tank, the pickling solution is filled in seventy five percent of the cavity in the pickling tank, the copper pipe is placed in the material carrying module, the material carrying module moves downwards along the upright post under the action of gravity, when the annular air bag at the bottom of the material carrying module is communicated with the air passage at the bottom of the upright post, the air pump leads the outside air into the annular air bag through the air passage, the annular air bag expands, the material carrying module moves upwards under the action of the annular air bag, when the material carrying module moves upwards to the top of the upright post, the electromagnet is magnetically attracted with the annular magnet, the position of the material carrying module is fixed, the exhaust valve at the inner side of the annular air bag is opened for deflation, after the deflation is finished, the electromagnet is closed, the material carrying module moves downwards under the action of gravity, so that the material carrying module does reciprocating motion in the vertical direction on the upright post to accelerate the flow of the pickling solution, the ultrasonic wave acts on the copper pipe, the copper pipe is treated by the pickling solution, and the pickling efficiency of the copper pipe is improved.
Two L-shaped handles are clamped at the top opening of the pickling box, and annular U-shaped covers are welded at the bottom ends of the two L-shaped handles; annular U type cover includes inside and outside two-layer filtering wall, wherein, has all seted up a plurality of filtration holes on two-layer filtering wall, and the top on annular U type cover inlayer is the equal angle embedding of annular and is connected with four elastic connection boards. During operation, when the material loading module upwards moves on the stand, the inside part pickling solution that carries with of material loading module, when annular magnet and electromagnetism ferromagnetism attract each other on the material loading module, the material loading module stops shifting up, the inside pickling solution of material loading module is arranged to the inboard of cyclic annular U type cover, at this moment, the impurity that will follow the pickling solution that the material loading module shifted up is filtered jointly to the inside and outside two-layer filtering wall of cyclic annular U type cover, when the inboard impurity accumulation of cyclic annular U type cover is to a certain amount, with two L type handles and pickling tank separation, it can to take out the clearance with cyclic annular U type cover, the content of impurity in the pickling solution has effectively been reduced like this, be convenient for clear up cyclic annular U type cover simultaneously, make the pickling solution keep pure, be favorable to pickling copper pipe.
The material loading module comprises a material loading basket, an extrusion air bag and a deformation air bag; the four extrusion air bags are arranged at four corner positions at the top of the material carrying basket, and correspond to the four elastic connecting plates one by one; the inner side of the material carrying basket is provided with a plurality of deformation air bags. During operation, the material carrying basket in the material carrying module moves upwards, the extrusion air bag contacts with the inner filtering wall of the annular U-shaped cover, the elastic connecting plate on the inner filtering wall is extruded by the extrusion air bag and moves towards the outer filtering wall of the annular U-shaped cover, and when the elastic connecting plate moves, pickling liquid between the inner and outer filtering walls of the annular U-shaped cover is shaken, so that the flowability of the pickling liquid is improved, the blockage of the filtering holes of the annular U-shaped cover is avoided, and the impurity removal efficiency of the annular U-shaped cover is further enhanced.
The number of the deformation air bags is four, the positions of the four deformation air bags correspond to the positions of the four extrusion air bags one by one, the four extrusion air bags are respectively communicated with the four deformation air bags through guide pipes, and the guide pipes are soft guide pipes; an extrusion spring is placed in the extrusion air bag, and the extrusion spring enables the extrusion air bag to rebound rapidly. When the copper pipe pickling device works, when the extrusion air bag is in contact with the annular U-shaped cover, the volume of the extrusion air bag is reduced, gas in the extrusion air bag flows to the deformation air bag through the guide pipe, the volume of the deformation air bag is increased, the deformation air bag pushes the copper pipe in the material carrying basket to move upwards, relative positions between the copper pipes are changed, when the extrusion air bag is separated from the annular U-shaped cover, the extrusion spring is opened again, the volume of the extrusion air bag is increased, the gas in the deformation air bag is sucked to the inside of the extrusion air bag again, the volume of the deformation air bag is reduced, the copper pipe in the material carrying basket moves downwards, the relative positions between the copper pipes are changed again, so that pickling liquid can pickle the part, which is not pickled, of the copper pipe.
The bottom symmetric connection of deformation gasbag has two elastic connection ropes, and the one end of two elastic connection ropes all links to each other with the inner wall of year material basket, and the vertical length of elastic connection rope is less than the degree of depth of carrying the material basket, and the elastic connection rope is used for the pulling to warp the gasbag and resets. The during operation, when extrusion gasbag and elastic connection board separation, the gaseous inside transferring to extrusion gasbag in the gasbag that warp, warp the gasbag volume and reduce, and elastic connection rope will warp the gasbag and draw to the bottom of carrying the material basket this moment, and the copper pipe at deformation gasbag top moves down thereupon, is convenient for like this change the relative position between the copper pipe, is favorable to the pickle to carry out comprehensive washing to the copper pipe for the pickling speed.
A cavity is formed in the deformable air bag, a plurality of cavities are formed in the outer wall of the deformable air bag, and the cavities enable gas in the cavity in the deformable air bag to be discharged and float. During operation, when extrusion gasbag and cyclic annular U type cover separation, the gaseous part of warping in the gasbag in the cavity shifts to the inside of extrusion gasbag, and a cavity reduces, warp the gasbag volume and reduces, and the showy effect of gasbag self warp weakens like this, utilizes No. two cavities can strengthen the showy effect of warping the gasbag, is favorable to warping the gasbag and promotes the copper pipe and remove, improves the pickling effect.
The invention has the following beneficial effects:
1. according to the pickling tank, the protective cover covers the top of the pickling tank, when the elastic connecting plate is pushed by the extrusion air bag to move, the pickling solution on the inner side of the annular U-shaped cover is shaken by the elastic connecting plate, so that the pickling solution impacts the filtering holes, the filtering holes are prevented from being blocked, the pickling solution collides with the annular U-shaped cover to generate spray, the conical protective cover is used for carrying out safety protection on the opening position at the top of the pickling tank, and the pickling solution is prevented from splashing; the acid gas generated by pickling is absorbed by the sodium carbonate coated on the wave-shaped absorption plate, so that the contact area between the acid gas and the sodium carbonate coating is increased by the wave-shaped absorption plate, the absorption efficiency of the acid gas is improved, the harm to workers caused by the fact that the acid gas is diffused in the air is avoided, and the pickling safety is improved;
2. according to the invention, a plurality of acid-resistant rubber balls filled with pickling powder are added into the protective cover, when the material loading module moves upwards, the material loading module pushes the push rod to move upwards, the knife tip at the top end of the push rod punctures the acid-resistant rubber balls at the bottom opening of the channel, the scattered pickling powder is mixed with pickling solution, and the acid-resistant rubber balls adjacent to the acid-resistant rubber balls roll to perform position supplement, so that acid substances can be supplemented in time, and the pickling efficiency of the copper pipe is improved;
3. the annular air bag is ventilated through the air pump, the material loading module moves upwards in the pickling solution through the annular air bag, when the electromagnet is closed, the electromagnet is separated from the annular magnet, the material loading module moves downwards into the pickling solution under the action of gravity, and the material loading module moves on the upright post in a reciprocating mode to accelerate the flow of the pickling solution in the pickling tank, so that pickling powder and the pickling solution are fully mixed, and the pickling efficiency of the copper pipe is improved.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic view of the construction of the pickling tank of the invention;
FIG. 3 is a top view of the loading module of the present invention;
FIG. 4 is a schematic cross-sectional view of a loading module of the present invention;
FIG. 5 is a schematic structural view of a deformation bladder of the present invention;
in the figure: the pickling tank comprises a pickling tank 1, an ultrasonic generator 2, an air pump 3, an annular air bag 4, a material carrying module 5, a material carrying basket 51, a deformation air bag 52, a connecting rope 521, a first cavity 522, a second cavity 523, an extrusion air bag 53, an extrusion spring 531, a stand column 6, an air duct 61, an electromagnet 7, an annular U-shaped cover 8, an elastic connecting plate 81, an L-shaped handle 9 and an annular magnet 10.
Detailed Description
The pickling process of a copper and copper alloy profile pipe according to the present invention will be described below with reference to fig. 1 to 5.
As shown in fig. 1 to 5, the pickling process for copper and copper alloy special pipes according to the present invention comprises the following steps:
s1: adding a plurality of copper pipes into a material loading module of copper and copper alloy special pipe production equipment;
s2: the surfaces of a plurality of wave-type absorption plates arranged at the positions of air outlets of the protective covers covering the tops of the pickling boxes of the copper and copper alloy special pipe production equipment in the S1 are coated with sodium carbonate coatings to absorb acid gas generated by pickling; the acid gas generated by pickling is absorbed by the sodium carbonate coated on the wave-shaped absorption plate, so that the harm to workers caused by the acid gas diffused in the air is avoided, and the pickling safety is improved;
s3: placing a plurality of acid-resistant rubber balls filled with acid-washing powder into a channel with the wall thickness of the protective cover in S2; an inclined angle is formed between the channel and the horizontal central line of the protective cover, so that the acid-resistant rubber ball can roll in the channel conveniently, and the inner diameter of the bottom opening of the channel is smaller than the outer diameter of the acid-resistant rubber ball, so that the acid-resistant rubber ball is prevented from falling off;
s4: a push rod is arranged at the position of a channel opening of the wall thickness of the protective cover in S3, a cutter point is fixed at the top end of the push rod and is positioned below the acid-resistant rubber ball at the bottom opening of the channel, and the acid-resistant rubber ball is punctured by the movement of the push rod; when the material loading module moves upwards to push the push rod to move upwards, the push rod punctures the acid-resistant rubber ball at the position of the bottom opening of the channel, the acid-resistant rubber ball adjacent to the push rod rolls to perform position supplement, the scattered pickling powder is mixed with the pickling solution, the acid substances are supplemented in time, and the pickling efficiency of the copper pipe is improved;
as shown in fig. 2 to 5, the copper and copper alloy special pipe production equipment in S1 to S4 comprises a pickling tank 1, an ultrasonic generator 2, a stand column 6, an annular air bag 4 and a loading module 5; two ultrasonic generators 2 are arranged on the inner walls of two sides of the pickling tank 1, the ultrasonic generators 2 are used for accelerating the pickling progress of the copper pipe, an air pump 3 is arranged at the bottom of the pickling tank 1, and an upright post 6 is fixed at the central position inside the pickling tank 1; the material loading module 5 is sleeved at the middle part of the upright post 6, the bottom of the material loading module 5 is symmetrically connected with two annular air bags 4, the annular air bags 4 are used for floating the material loading module 5, exhaust valves are embedded and connected at the inner sides of the annular air bags 4, the material loading module 5 is used for loading copper pipes, and the inner side of the material loading module 5 is sleeved with an annular magnet 10; the bottom of the upright post 6 is provided with an air passage 61, the air passage 61 is of a T-shaped structure, two ends of the horizontal section of the air passage 61 are respectively communicated with the two annular air bags 4, and the top of the upright post 6 is provided with an electromagnet 7; the electromagnet 7 is of a cylindrical structure, and one side of the electromagnet 7, which is adjacent to the annular magnet 10, is a synonym magnetic pole. When the pickling tank works, firstly, the pickling solution is added into the pickling tank 1, so that the pickling solution is filled in seventy five percent of the cavity in the pickling tank 1, the copper pipe is placed in the material carrying module 5, the material carrying module 5 moves downwards along the upright post 6 under the action of gravity, when the annular air bag 4 at the bottom of the material carrying module 5 is communicated with the air passage 61 at the bottom of the upright post 6, the air pump 3 leads the outside air to the inside of the annular air bag 4 through the air passage 61, the annular air bag 4 expands, the material carrying module 5 moves upwards under the action of the annular air bag 4, when the material carrying module 5 moves upwards to the top of the upright post 6, the electromagnet 7 is magnetically attracted with the annular magnet 10, the position of the material carrying module 5 is fixed, the exhaust valve at the inner side of the annular air bag 4 is opened for air discharge, after the air discharge is finished, the electromagnet 7 is closed, the material carrying module 5 moves downwards under the action of gravity, so that the material carrying, the flow of the pickling solution is accelerated, the ultrasonic generator 2 generates ultrasonic waves, and the ultrasonic waves act on the copper pipe, so that the copper pipe can be treated by the pickling solution, and the pickling efficiency of the copper pipe is improved.
As shown in fig. 2 to 4, two L-shaped handles 9 are clamped at the top opening of the pickling tank 1, and the bottom ends of the two L-shaped handles 9 are welded with an annular U-shaped cover 8; annular U type cover 8 includes inside and outside two-layer filtering wall, wherein, has all seted up a plurality of filtration holes on two-layer filtering wall, and the top on annular U type cover 8 inlayer is the equal angle embedding of annular and is connected with four elastic connection boards 81. During operation, when carrying material module 5 upward movement on stand 6, carry partial pickling solution inside the material carrying module 5, when annular magnet 10 and 7 magnetism attract each other on the material carrying module 5, the material carrying module 5 stops shifting up, the inside pickling solution of material carrying module 5 is arranged to the inboard of cyclic annular U type cover 8, at this moment, the impurity that will follow the pickling solution that the material carrying module 5 moved up is filtered jointly to the inside and outside two-layer filtering wall of cyclic annular U type cover 8, when the inboard impurity accumulation of cyclic annular U type cover 8 is to a certain amount, separate two L type handles 9 and pickling tank 1, it can to take out the clearance with cyclic annular U type cover 8, effectively reduced the content of impurity in the pickling solution like this, be convenient for clear up cyclic annular U type cover 8 simultaneously, make the pickling solution keep pure, be favorable to the pickling of copper pipe.
As shown in fig. 3 and 4, the material loading module 5 comprises a material loading basket 51, a squeezing air bag 53 and a deforming air bag 52; the four extrusion air bags 53 are arranged at the four corners of the top of the material carrying basket 51, and the four extrusion air bags 53 correspond to the four elastic connecting plates 81 in position one by one; the inner side of the material carrying basket 51 is provided with a plurality of deformation air bags 52. During operation, carry the material basket 51 among the material module 5 and move up, extrusion gasbag 53 contacts with the interior filter wall of cyclic annular U type cover 8, the elastic connection board 81 on the interior filter wall receives the extrusion of extrusion gasbag 53, elastic connection board 81 removes to the outer filter wall direction of cyclic annular U type cover 8, make cyclic annular U type cover 8 inside and outside two-layer pickler between the filter wall take place to rock when elastic connection board 81 removes, the mobility of pickler has been improved, thereby the filtration pore blocking of having avoided cyclic annular U type cover 8, and then the edulcoration efficiency of reinforcing cyclic annular U type cover 8.
As shown in fig. 3 and 4, the number of the deformable balloons 52 is four, the positions of the four deformable balloons 52 correspond to the positions of the four squeeze balloons 53 one by one, and the four squeeze balloons 53 are respectively communicated with the four deformable balloons 52 through catheters which are soft catheters; the pressing air bag 53 is internally provided with a pressing spring 531, and the pressing spring 531 enables the pressing air bag 53 to rapidly rebound. When the device works, when the extrusion air bag 53 is in contact with the annular U-shaped cover 8, the volume of the extrusion air bag 53 is reduced, gas in the extrusion air bag 53 flows into the deformation air bag 52 through the guide pipe, the volume of the deformation air bag 52 is increased, the deformation air bag 52 pushes the copper pipe in the material carrying basket 51 to move upwards, the relative position between the copper pipes is changed, when the extrusion air bag 53 is separated from the annular U-shaped cover 8, the extrusion spring 531 is opened again, the volume of the extrusion air bag 53 is increased, the gas in the deformation air bag 52 is sucked into the extrusion air bag 53 again, the volume of the deformation air bag 52 is reduced, the copper pipe in the material carrying basket 51 moves downwards, and the relative position between the copper pipes is changed again, so that the pickling liquid can pickle the part of the copper pipe which is not pickled, and.
As shown in fig. 3 to 5, two elastic connection ropes 521 are symmetrically connected to the bottom end of the deformable airbag 52, one ends of the two elastic connection ropes 521 are connected to the inner wall of the material carrying basket 51, the vertical length of the elastic connection ropes 521 is smaller than the depth of the material carrying basket 51, and the elastic connection ropes 521 are used for pulling the deformable airbag 52 to reset. During operation, when extrusion gasbag 53 and elastic connection board 81 separation, the gas in the gasbag 52 that warp shifts to the inside of extrusion gasbag 53, warp gasbag 52 volume and reduce, and elastic connection rope 521 will warp gasbag 52 and draw to the bottom of carrying material basket 51 this moment, warp the copper pipe at gasbag 52 top and move down thereupon, be convenient for like this change the relative position between the copper pipe, be favorable to the pickle to carry out comprehensive washing to the copper pipe for the pickling speed.
As shown in fig. 3 and 5, the first cavity 522 is formed inside the deformable airbag 52, a plurality of second cavities 523 are formed inside the outer wall of the deformable airbag 52, and the second cavities 523 allow the gas in the first cavity 522 of the deformable airbag 52 to float when being discharged. When the deformation air bag 53 works, when the extrusion air bag 53 is separated from the annular U-shaped cover 8, the gas part in the first cavity 522 of the deformation air bag 52 is transferred to the inside of the extrusion air bag 53, the first cavity 522 is reduced, the volume of the deformation air bag 52 is reduced, the floating effect of the deformation air bag 52 is weakened, the floating effect of the deformation air bag 52 can be enhanced by utilizing the second cavity 523, the deformation air bag 52 is favorable for pushing the copper pipe to move, and the pickling effect is improved.
The specific use flow is as follows:
when the pickling tank is used, firstly, the pickling solution is added into the pickling tank 1, so that the pickling solution is filled in seventy five percent of the cavity in the pickling tank 1, at the moment, the liquid level of the pickling solution is positioned at the half position of the annular U-shaped cover 8, the annular U-shaped cover 8 is convenient to filter, a copper pipe is placed in the loading module 5, the loading module 5 moves downwards along the upright post 6 under the action of gravity, when the annular air bag 4 at the bottom of the loading module 5 is communicated with the air channel 61 at the bottom of the upright post 6, the air pump 3 leads outside air to the inside of the annular air bag 4 through the air channel 61, the annular air bag 4 expands, the loading module 5 moves upwards under the action of the annular air bag 4, when the loading module 5 moves upwards to the top of the upright post 6, the electromagnet 7 is magnetically attracted with the annular magnet 10, the position of the loading module 5 is fixed, the exhaust valve at the inner side of the annular air bag 4 is, after the air release is finished, the electromagnet 7 is closed, the material carrying module 5 moves downwards under the action of gravity, so that the material carrying module 5 does reciprocating motion in the vertical direction on the upright post 6 to accelerate the flow of pickling solution, the ultrasonic generator 2 generates ultrasonic waves to act on the copper pipe, when the annular magnet 10 on the material carrying module 5 is magnetically attracted with the electromagnet 7, the material carrying module 5 stops moving upwards, the pickling solution in the material carrying module 5 is discharged to the inner side of the annular U-shaped cover 8, at the moment, the annular U-shaped cover 8 filters impurities in the pickling solution moving upwards along with the material carrying module 5, when the impurities in the inner side of the annular U-shaped cover 8 are accumulated to a certain amount, the annular U-shaped cover 8 is taken out through the L-shaped handle 9 to be cleaned, when the material carrying module 5 drives the material carrying basket 51 to move upwards, the extrusion air bag 53 is in contact with the inner filter wall of the annular U-shaped cover 8, the elastic connecting plate 81 on the inner filter wall is extruded, the elastic connecting plate 81 moves to enable pickling solution on the inner side of the annular U-shaped cover 8 to shake, filter holes of the annular U-shaped cover 8 are prevented from being blocked, meanwhile, the volume of the extrusion air bag 53 changes, gas in the extrusion air bag 53 flows into the deformation air bag 52 through the guide pipe, the volume of the deformation air bag 52 changes, the deformation air bag 52 pushes a copper pipe in the material carrying basket 51 to move, when the extrusion air bag 53 is separated from the elastic connecting plate 81, the gas in the deformation air bag 52 is transferred to the inside of the extrusion air bag 53, the volume of the deformation air bag 52 is reduced, at the moment, the elastic connecting rope 521 pulls the deformation air bag 52 to the bottom of the material carrying basket 51, the copper pipe on the top of the deformation air bag 52 moves downwards, the relative position between the copper pipes changes, when the material carrying basket 51 is separated from the pickling solution, the deformation air bag 52 moves downwards, the copper pipe moves downwards along with the copper pipe, the relative, the deformation bladder 52 is facilitated to push the copper tube to move.
While one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications can be made without departing from the scope of the present invention.
Industrial applicability
According to the invention, the acid gas is absorbed by the sodium carbonate coated on the wavy absorption plate, and the wavy absorption plate increases the contact area between the acid gas and the sodium carbonate coating, improves the absorption efficiency of the acid gas, avoids the harm to workers caused by the acid gas diffused in the air, and improves the safety of acid washing; the push rod is pushed to move upwards through the material loading module, the acid-resistant rubber ball at the position of the bottom opening of the channel is punctured, and the scattered pickling powder is mixed with the pickling solution, so that the acid substances can be supplemented in time, and the pickling efficiency of the copper pipe is improved; therefore, the copper and copper alloy special pipe pickling process is useful in the technical field of copper pipe pickling processes.
Claims (1)
1. A pickling process for copper and copper alloy special pipes is characterized by comprising the following steps:
s1: adding a plurality of copper pipes into a material loading module of copper and copper alloy special pipe production equipment;
s2: the surfaces of a plurality of wave-type absorption plates arranged at the positions of air outlets of the protective covers covering the tops of the pickling boxes of the copper and copper alloy special pipe production equipment in the S1 are coated with sodium carbonate coatings to absorb acid gas generated by pickling;
s3: placing a plurality of acid-resistant rubber balls filled with acid-washing powder into a channel with the wall thickness of the protective cover in S2;
s4: a push rod is arranged at the position of a channel opening of the wall thickness of the protective cover in S3, a cutter point is fixed at the top end of the push rod and is positioned below the acid-resistant rubber ball at the bottom opening of the channel, and the acid-resistant rubber ball is punctured by the movement of the push rod;
the production equipment of the copper and copper alloy special pipe in the steps S1 to S4 comprises a pickling tank (1), an ultrasonic generator (2), a stand column (6), an annular air bag (4) and a material loading module (5); the inner walls of two sides of the pickling tank (1) are provided with two ultrasonic generators (2), the ultrasonic generators (2) are used for accelerating the pickling progress of the copper pipe, the bottom of the pickling tank (1) is provided with an air pump (3), and an upright post (6) is fixed at the central position inside the pickling tank (1); the material carrying module (5) is sleeved in the middle of the upright post (6), the bottom of the material carrying module (5) is symmetrically connected with two annular air bags (4), the annular air bags (4) are used for floating the material carrying module (5), exhaust valves are embedded and connected on the inner sides of the annular air bags (4), the material carrying module (5) is used for loading copper pipes, and annular magnets (10) are sleeved on the inner sides of the material carrying module (5); the bottom of the upright post (6) is provided with an air passage (61), the air passage (61) is of a T-shaped structure, two ends of the horizontal section of the air passage (61) are respectively communicated with the two annular air bags (4), and the top of the upright post (6) is provided with an electromagnet (7); the electromagnet (7) is of a cylindrical structure, and one side, adjacent to the annular magnet (10), of the electromagnet (7) is a synonym magnetic pole;
two L-shaped handles (9) are clamped at the top opening of the pickling box (1), and annular U-shaped covers (8) are welded at the bottom ends of the two L-shaped handles (9); the annular U-shaped cover (8) comprises an inner layer of filtering wall and an outer layer of filtering wall, wherein a plurality of filtering holes are formed in the two layers of filtering walls, and four elastic connecting plates (81) are embedded and connected at the top of the inner layer of the annular U-shaped cover (8) in an annular equal-angle mode;
the material loading module (5) comprises a material loading basket (51), an extrusion air bag (53) and a deformation air bag (52); the four extrusion air bags (53) are arranged at four corner positions at the top of the material carrying basket (51), and the four extrusion air bags (53) are in one-to-one correspondence with the four elastic connecting plates (81); a plurality of deformation air bags (52) are arranged on the inner side of the material carrying basket (51);
the number of the deformed airbags (52) is four, the positions of the four deformed airbags (52) correspond to the positions of the four extrusion airbags (53) one by one, the four extrusion airbags (53) are respectively communicated with the four deformed airbags (52) through guide pipes, the guide pipes are soft guide pipes, extrusion springs (531) are arranged in the extrusion airbags (53), and the extrusion airbags (53) are quickly rebounded by the extrusion springs (531);
the bottom end of the deformation air bag (52) is symmetrically connected with two elastic connecting ropes (521), one ends of the two elastic connecting ropes (521) are connected with the inner wall of the material carrying basket (51), the vertical length of each elastic connecting rope (521) is smaller than the depth of the material carrying basket (51), and each elastic connecting rope (521) is used for pulling the deformation air bag (52) to reset;
a first cavity (522) is formed in the deformable air bag (52), a plurality of second cavities (523) are formed in the outer wall of the deformable air bag (52), and the second cavities (523) enable gas in the first cavity (522) in the deformable air bag (52) to float when being discharged;
when the pickling tank is used, firstly, pickling solution is added into the pickling tank (1), so that the pickling solution is filled in seventy-five percent of the cavity in the pickling tank (1), at the moment, the liquid level of the pickling solution is positioned at the half position of the annular U-shaped cover (8), the annular U-shaped cover (8) is convenient to filter, a copper pipe is placed in the loading module (5), the loading module (5) moves downwards along the upright post (6) under the action of gravity, when the annular air bag (4) at the bottom of the loading module (5) is communicated with the air channel (61) at the bottom of the upright post (6), the air pump (3) leads outside air to the inside of the annular air bag (4) through the air channel (61), the annular air bag (4) expands, the loading module (5) moves upwards under the action of the annular air bag (4), and when the loading module (5) moves upwards to the top of the upright post (6), the electromagnet (7) and the annular magnet (10) are magnetically attracted, the position of the material carrying module (5) is fixed, an exhaust valve on the inner side of the annular air bag (4) is opened to deflate, after deflation is finished, the electromagnet (7) is closed, the material carrying module (5) moves downwards under the action of gravity, so that the material carrying module (5) does reciprocating motion in the vertical direction on the upright post (6) to accelerate the flow of pickling solution, the ultrasonic generator (2) generates ultrasonic waves to act on a copper pipe, when the annular magnet (10) on the material carrying module (5) is magnetically attracted with the electromagnet (7), the material carrying module (5) stops moving upwards, the pickling solution in the material carrying module (5) is discharged to the inner side of the annular U-shaped cover (8), at the moment, the annular U-shaped cover (8) filters impurities in the pickling solution moving upwards along with the material carrying module (5), and when the impurities on the inner side of the annular U-shaped cover (8) are accumulated to a certain amount, the annular U-shaped cover (8) is taken out of cleaning through the L-shaped handle (9), when the material carrying module (5) drives the material carrying basket (51) to move upwards, the extrusion air bag (53) is in contact with the inner filter wall of the annular U-shaped cover (8), the elastic connecting plate (81) on the inner filter wall is extruded by the extrusion air bag (53), the elastic connecting plate (81) moves to enable pickling liquid on the inner side of the annular U-shaped cover (8) to shake, the filter hole blockage of the annular U-shaped cover (8) is avoided, meanwhile, the volume of the extrusion air bag (53) changes, gas in the extrusion air bag (53) flows into the deformation air bag (52) through a conduit, the volume of the deformation air bag (52) changes, the deformation air bag (52) pushes a copper pipe in the material carrying basket (51) to move, when the extrusion air bag (53) is separated from the elastic connecting plate (81), the gas in the deformation air bag (52) is transferred to the interior of the extrusion air bag (53), the volume of the deformation air bag (52) is reduced, and at the moment, the elastic connecting rope (521) pulls the deformation air bag (52) to the, the copper pipe on the top of the deformation air bag (52) moves downwards along with the copper pipe, the relative position between the copper pipes changes, when the material carrying basket (51) is separated from the pickling solution, the deformation air bag (52) moves downwards, the copper pipe moves downwards along with the copper pipe, so that the relative position between the copper pipes changes, the buoyancy of the deformation air bag (52) can be enhanced by utilizing the cavity II (523), and the deformation air bag (52) is convenient to push the copper pipe to move.
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| CN111501054B (en) * | 2020-06-17 | 2022-03-22 | 成都先进金属材料产业技术研究院股份有限公司 | Equipment and method for continuous pickling of titanium and titanium alloy oil pipes |
| CN112126873A (en) * | 2020-09-18 | 2020-12-25 | 余兆勇 | Quenching method of copper alloy |
| CN113584500B (en) * | 2021-07-31 | 2022-03-22 | 江苏正泰不锈钢产业有限公司 | Stainless steel pipe surface treatment process |
| CN116123368B (en) * | 2023-01-30 | 2023-09-12 | 无锡市金都波纹管有限公司 | High-strength metal corrugated pipe and preparation process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204138776U (en) * | 2014-10-09 | 2015-02-04 | 四川法拉特不锈钢铸造有限公司 | A kind of valve foundry goods pickler |
| CN107268012A (en) * | 2017-06-13 | 2017-10-20 | 浙江协和陶瓷有限公司 | Manufacturing process is rolled up in pickling |
| CN207347662U (en) * | 2017-09-11 | 2018-05-11 | 苏州吴江春宇电子股份有限公司 | One kind is used for the clean descaling bath of hardware products |
| CN108707861A (en) * | 2018-07-26 | 2018-10-26 | 天津鹏宇兴业五金制品有限公司 | A kind of powder zincizing degreasing unit |
-
2018
- 2018-11-06 CN CN201811312311.6A patent/CN109208018B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204138776U (en) * | 2014-10-09 | 2015-02-04 | 四川法拉特不锈钢铸造有限公司 | A kind of valve foundry goods pickler |
| CN107268012A (en) * | 2017-06-13 | 2017-10-20 | 浙江协和陶瓷有限公司 | Manufacturing process is rolled up in pickling |
| CN207347662U (en) * | 2017-09-11 | 2018-05-11 | 苏州吴江春宇电子股份有限公司 | One kind is used for the clean descaling bath of hardware products |
| CN108707861A (en) * | 2018-07-26 | 2018-10-26 | 天津鹏宇兴业五金制品有限公司 | A kind of powder zincizing degreasing unit |
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