CN115287670A - Seamless steel pipe acid dip pickle - Google Patents
Seamless steel pipe acid dip pickle Download PDFInfo
- Publication number
- CN115287670A CN115287670A CN202211010566.3A CN202211010566A CN115287670A CN 115287670 A CN115287670 A CN 115287670A CN 202211010566 A CN202211010566 A CN 202211010566A CN 115287670 A CN115287670 A CN 115287670A
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- pickling
- brush
- scrubbing
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 74
- 239000010959 steel Substances 0.000 title claims abstract description 74
- 235000021110 pickles Nutrition 0.000 title claims description 3
- JOHZPMXAZQZXHR-UHFFFAOYSA-N pipemidic acid Chemical compound N1=C2N(CC)C=C(C(O)=O)C(=O)C2=CN=C1N1CCNCC1 JOHZPMXAZQZXHR-UHFFFAOYSA-N 0.000 title claims description 3
- 229960001732 pipemidic acid Drugs 0.000 title claims description 3
- 230000007246 mechanism Effects 0.000 claims abstract description 101
- 238000005554 pickling Methods 0.000 claims abstract description 65
- 238000005201 scrubbing Methods 0.000 claims abstract description 33
- 239000007921 spray Substances 0.000 claims abstract description 21
- 239000002253 acid Substances 0.000 claims abstract description 15
- 230000001680 brushing effect Effects 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 15
- 238000005406 washing Methods 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims 4
- 241001330002 Bambuseae Species 0.000 claims 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 4
- 239000011425 bamboo Substances 0.000 claims 4
- 238000005507 spraying Methods 0.000 abstract description 18
- 238000011010 flushing procedure Methods 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- 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
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/04—Apparatus for cleaning or pickling metallic material for cleaning pipes
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention provides a seamless steel pipe pickling device which comprises a shell, a steel pipe conveying mechanism and an acid supply system, wherein an input port and an output port are respectively arranged at two ends of the shell, the steel pipe conveying mechanism is respectively arranged in the input port and the output port, a first pickling spraying mechanism, a first scrubbing mechanism, a second pickling spraying mechanism and a second scrubbing mechanism are sequentially arranged in the shell along the conveying direction of a steel pipe, a plurality of groups of first spray heads which are uniformly distributed along an annular shape are respectively arranged in the first pickling spraying mechanism and the second pickling spraying mechanism, a first hairbrush assembly and flushing mechanisms symmetrically arranged at two sides of the first hairbrush assembly are arranged in the first scrubbing mechanism, a second hairbrush assembly is arranged in the second scrubbing mechanism, and the acid supply system is connected with the first pickling spraying mechanism, the second pickling spraying mechanism and the flushing mechanisms. The acid cleaning device can remove the oxide corroded by acid on the surface of the steel pipe in time, so that the acid cleaning on the surface of the steel pipe is more thorough.
Description
[ technical field ] A
The invention relates to the technical field of seamless steel pipe processing, in particular to a pickling device for a seamless steel pipe.
[ background of the invention ]
Seamless steel pipes are steel pipes made of a single piece of metal, without seams on the surface, and are called seamless steel pipes. In the process of processing the seamless steel pipe, the steel pipe with the oxidized outer surface needs to be subjected to acid cleaning, the oxide on the surface of the steel pipe is cleaned, and the service life of the steel pipe is prolonged.
The existing pickling method for processing the steel pipe is generally to immerse the steel pipe in a pickling bath until oxides on the surface of the steel pipe are completely removed. However, in the pickling process of the steel pipe, oxide corroded by acid on the surface of the steel pipe still remains on the surface of the steel pipe, so that the pickling on the surface of the steel pipe is incomplete, the pickling efficiency of the steel pipe is greatly reduced, and a seamless steel pipe pickling device is provided.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides a seamless steel tube pickling device which can remove acid-corroded oxides on the surface of a steel tube in time so as to ensure that the surface of the steel tube is pickled more thoroughly.
In order to achieve the purpose, the invention provides a seamless steel pipe pickling device which comprises a shell, a steel pipe conveying mechanism and an acid supply system, wherein an input port and an output port are respectively arranged at two ends of the shell, the steel pipe conveying mechanism is respectively arranged in the input port and the output port, a first pickling spraying mechanism, a first scrubbing mechanism, a second pickling spraying mechanism and a second scrubbing mechanism are sequentially arranged in the shell along the conveying direction of steel pipes, a plurality of groups of first spray heads uniformly distributed along an annular shape are respectively arranged in the first pickling spraying mechanism and the second pickling spraying mechanism, a first brush assembly and washing mechanisms symmetrically arranged at two sides of the first brush assembly are arranged in the first scrubbing mechanism, a second brush assembly is arranged in the second scrubbing mechanism, and the acid supply system is connected with the first pickling spraying mechanism, the second pickling spraying mechanism and the washing mechanisms.
Preferably, a plurality of groups of second spray heads are uniformly distributed in the washing mechanism along the annular direction, and the nozzles of the second spray heads are obliquely arranged towards the side where the first brush assembly is located.
Preferably, the first brush assembly comprises two symmetrically arranged semi-arc-shaped brush plates and at least one elastic telescopic bracket arranged on the semi-arc-shaped brush plates, and the semi-arc-shaped brush plates are arranged on the first brushing mechanism through the elastic telescopic brackets.
Preferably, the first brushing mechanism further comprises an installation supporting cylinder, the first brush assembly is installed in the middle of the installation supporting cylinder, the two ends of the installation supporting cylinder are symmetrically provided with the washing mechanisms, two sides of the inner ring of the installation supporting cylinder are provided with liquid drainage conical surface cavities, the washing mechanisms are connected with the liquid drainage conical surface cavities through a plurality of connecting rods, and liquid drainage notches are formed between every two adjacent connecting rods.
As preferred, the second scrubbing mechanism still includes mount pad, fixed sleeve, compresses tightly endotheca and spring, the second brush subassembly sets up in the mount pad, fixed sleeve installs the one side at the mount pad, compress tightly the endotheca and install in fixed sleeve through a plurality of spring, the one end that the second brush subassembly orientation compressed tightly the endotheca has toper brush cover, the inner wall of toper brush cover has the brush hair, the circumference equipartition has a plurality of open slot on the toper brush cover, the inner circle that compresses tightly the endotheca has the interior edge of pressing that leans on with toper brush cover outer wall counterbalance.
Preferably, the second scrubbing mechanism further comprises an end plate, a step mounting groove is formed in the mounting seat, and the second brush assembly is mounted in the step mounting groove and fixed through the end plate.
The invention has the beneficial effects that: the steel pipe conveying mechanism is arranged to convey the steel pipe into the shell, and the two pickling spraying mechanisms are used for carrying out secondary pickling treatment on the surface of the steel pipe; the steel pipe after the first pickling is scrubbed through the first scrubbing mechanism, wherein the first brush assembly can be used for brushing off oxides on the surface of the steel pipe after the pickling, and the brushed-off oxides can be timely washed away by matching with the scrubbing mechanisms on the two sides, so that the scrubbing effect is improved; the second scrubbing mechanism can remove the oxide on the surface of the steel pipe subjected to secondary pickling again, and the conical brush sleeve and the surface of the steel pipe can be kept in a leaning state by additionally arranging the pressing inner sleeve, so that the oxide is completely removed, and the pickling effect of the steel pipe is improved.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic diagram of the internal structure of a seamless steel tube pickling device according to the present invention;
FIG. 2 is a schematic cross-sectional view of the internal structure of a seamless steel pipe pickling apparatus according to the present invention;
FIG. 3 is a schematic left view of a first brushing mechanism of a seamless steel tube pickling apparatus according to the present invention;
FIG. 4 is a schematic cross-sectional view of a first brushing mechanism of a seamless steel tube pickling apparatus according to the present invention;
FIG. 5 is a schematic cross-sectional view of a second brushing mechanism of the pickling apparatus for seamless steel pipes according to the present invention;
FIG. 6 is a right side view of a second brushing mechanism of the seamless steel pipe pickling apparatus according to the present invention.
[ detailed description ] embodiments
Referring to fig. 1 to 6, the seamless steel tube pickling apparatus of the present invention includes a casing 1, a steel tube conveying mechanism 2, and an acid supply system (not shown in the drawings), wherein an input port 11 and an output port 12 are respectively disposed at two ends of the casing 1, a liquid discharge port is further disposed at the bottom of the casing, the steel tube conveying mechanism 2 is respectively disposed in the input port 11 and the output port 12, a first pickling spray mechanism 3, a first scrubbing mechanism 4, a second pickling spray mechanism 5, and a second scrubbing mechanism 6 are sequentially disposed in the casing 1 along a conveying direction of a steel tube 10, a plurality of groups of first nozzles 7 uniformly distributed along an annular shape are disposed in each of the first pickling spray mechanism 3 and the second pickling spray mechanism 5, a first scrubbing mechanism 42 is disposed in the first scrubbing mechanism 4, and a second scrubbing brush assembly 62 is disposed in the second scrubbing mechanism 6, and the acid supply system is connected to the first pickling spray mechanism 3, the second pickling spray mechanism 5, and the scrubbing mechanism 43 for supplying liquid.
Further, referring to fig. 4, a plurality of groups of second spray heads 431 are uniformly distributed in the washing mechanism 43 along the ring shape, and the nozzles of the second spray heads 431 are inclined toward the side where the first brush assembly 42 is located, so that the oxides adhered to the surface of the brush can be washed away in time.
Further, referring to fig. 3 and 4, the first brush assembly 42 includes two half arc-shaped brush plates 421 symmetrically disposed, and at least one elastic telescopic bracket 422 disposed on the half arc-shaped brush plates 421, and the half arc-shaped brush plates 421 are mounted on the first brushing mechanism 4 through the elastic telescopic bracket 422. In this embodiment, two elastic telescopic supports 422 are disposed on each semi-arc-shaped brush plate 421, a spring is disposed on each elastic telescopic support 422, and the additional elastic telescopic supports 422 can keep the arc-shaped brush plate 421 attached to the surface of the steel pipe 100, thereby improving the brushing effect.
Further, referring to fig. 3 and 4, the first brushing mechanism 4 further includes an installation support cylinder 41, the first brush assembly 42 is installed in the middle of the installation support cylinder 41, two ends of the installation support cylinder 41 are symmetrically provided with flushing mechanisms 43, two sides of the inner ring of the installation support cylinder 41 are provided with a drainage conical cavity 411, the flushing mechanisms 43 are connected with the drainage conical cavity 411 through a plurality of connecting rods 410, and a drainage notch 4100 is formed between two adjacent connecting rods 410, so as to facilitate discharging acid liquor and washed oxides.
Further, the second scrubbing mechanism 6 further includes a mounting seat 61, a fixing sleeve 64, a pressing inner sleeve 65 and a spring 66, the second brush assembly 62 is arranged in the mounting seat 61, the fixing sleeve 64 is arranged on one side of the mounting seat 61, the pressing inner sleeve 65 is arranged in the fixing sleeve 64 through a plurality of springs 66, the second brush assembly 62 is provided with a tapered brush sleeve 621 towards one end of the pressing inner sleeve 65, bristles are arranged on the inner wall of the tapered brush sleeve 621, a plurality of opening grooves 620 are evenly distributed on the tapered brush sleeve 621 in the circumferential direction, and an inner ring of the pressing inner sleeve 65 is provided with a pressing inner edge 651 abutting against the outer wall of the tapered brush sleeve 621.
Further, the second brushing mechanism 6 further includes an end plate 63, a step mounting groove 611 is formed in the mounting seat 61, and the second brush assembly 62 is mounted in the step mounting groove 611 and fixed by the end plate 63.
Furthermore, a plurality of conveying guide roller assemblies 13 are further arranged in the shell 1, and the steel pipe conveying mechanism 2 comprises two conveying rollers which are arranged in parallel and a power driving device for driving each conveying roller to rotate.
Further, a first connecting support frame 14 and a second connecting support frame 15 are further arranged in the shell 1, the first pickling spraying mechanism 3, the first scrubbing mechanism 4 and the second pickling spraying mechanism 5 are installed below the first connecting support frame 14, and the second scrubbing mechanism 6 is installed below the second connecting support frame 15.
The working process of the invention is as follows:
the invention relates to a seamless steel pipe pickling device, which is characterized in that when the seamless steel pipe pickling device works, a steel pipe 100 is conveyed to a shell 1 from an input port 11 through a steel pipe conveying mechanism 2, and the steel pipe 100 sequentially passes through a first pickling spraying mechanism 3, a first scrubbing mechanism 4, a second pickling spraying mechanism 5 and a second scrubbing mechanism 6, is subjected to secondary pickling and scrubbing and then is output from an output port 12. Firstly, the first pickling spray mechanism 3 performs primary pickling treatment on the outer surface of the steel pipe 100; then the first brushing mechanism 4 brushes the surface of the steel pipe 100 after the first pickling, the oxide on the surface of the steel pipe after the pickling can be brushed away through the first brush assembly 42, and the brushed-away oxide is timely flushed away by matching with the flushing mechanisms 43 on the two sides, so that the brushing effect is improved; then, carrying out secondary acid washing treatment on the outer surface of the steel pipe 100 of the second acid washing and spraying mechanism 5; finally, the second brushing mechanism 6 removes oxides on the surface of the steel pipe 100 after the second pickling, and the additional pressing inner sleeve 65 can keep the conical brush sleeve 621 against the outer surface of the steel pipe 100, so that the oxides are completely removed, and the pickling effect of the steel pipe is improved.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (6)
1. The utility model provides a seamless steel pipe acid dip pickle, includes casing (1), steel pipe conveying mechanism (2) and supplies sour system, the both ends of casing (1) are equipped with input port (11) and output port (12) respectively, be equipped with steel pipe conveying mechanism (2), its characterized in that in input port (11), the output port (12) respectively: it sprays mechanism (3), first scrubbing mechanism (4), second scrubbing mechanism (6) to be equipped with first pickling in proper order along steel pipe (10) direction of delivery in casing (1), first pickling sprays mechanism (3) second pickling sprays mechanism (5), the second pickling sprays and all is equipped with along the first shower nozzle (7) of a plurality of groups of annular evenly distributed in mechanism (5), be equipped with first brush subassembly (42) in first scrubbing mechanism (4) to and the symmetry set up in washing mechanism (43) of first brush subassembly (42) both sides, be equipped with second brush subassembly (62) in second scrubbing mechanism (6), the confession acid system sprays mechanism (3) with first pickling second pickling sprays mechanism (5), washes mechanism (43) and is connected.
2. The pickling device for the seamless steel pipe as claimed in claim 1, wherein: a plurality of groups of second spray heads (431) are uniformly distributed in the washing mechanism (43) along the annular direction, and the nozzles of the second spray heads (431) are obliquely arranged towards the side where the first brush assembly (42) is located.
3. The pickling device for the seamless steel pipe as claimed in claim 1, wherein: the first brush assembly (42) comprises two symmetrical semi-arc-shaped brush plates (421) and at least one elastic telescopic support (422) arranged on the semi-arc-shaped brush plates (421), and the semi-arc-shaped brush plates (421) are installed on the first brushing mechanism (4) through the elastic telescopic supports (422).
4. The pickling apparatus for a seamless steel pipe as claimed in any one of claims 1 to 3, wherein: first scrubbing mechanism (4) still include an installation support section of thick bamboo (41), first brush subassembly (42) are installed the intermediate position of an installation support section of thick bamboo (41), the both ends symmetry of an installation support section of thick bamboo (41) is installed and is washed mechanism (43), the inner circle both sides of an installation support section of thick bamboo (41) are equipped with flowing back conical surface chamber (411), it is connected with flowing back conical surface chamber (411) through a plurality of connecting rod (410) to wash mechanism (43), forms flowing back notch (4100) between two adjacent connecting rod (410).
5. The pickling device for the seamless steel pipe as claimed in claim 1, wherein: the second scrubbing mechanism (6) further comprises a mounting seat (61), a fixing sleeve (64), a pressing inner sleeve (65) and a spring (66), the second brush component (62) is arranged in the mounting seat (61), the fixing sleeve (64) is arranged on one side of the mounting seat (61), the pressing inner sleeve (65) is arranged in the fixing sleeve (64) through a plurality of springs (66), the second brush component (62) is provided with a conical brush sleeve (621) towards one end of the pressing inner sleeve (65), the inner wall of the conical brush sleeve (621) is provided with bristles, the conical brush sleeve (621) is uniformly provided with a plurality of opening grooves (620) in the circumferential direction, and the inner ring of the pressing inner sleeve (65) is provided with a pressing inner edge (651) which is abutted against the outer wall of the conical brush sleeve (621).
6. The pickling device for the seamless steel pipe as claimed in claim 5, wherein: the second brushing mechanism (6) further comprises an end plate (63), a step installation groove (611) is formed in the installation seat (61), and the second brush assembly (62) is installed in the step installation groove (611) and fixed through the end plate (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211010566.3A CN115287670A (en) | 2022-08-23 | 2022-08-23 | Seamless steel pipe acid dip pickle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211010566.3A CN115287670A (en) | 2022-08-23 | 2022-08-23 | Seamless steel pipe acid dip pickle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115287670A true CN115287670A (en) | 2022-11-04 |
Family
ID=83829865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211010566.3A Pending CN115287670A (en) | 2022-08-23 | 2022-08-23 | Seamless steel pipe acid dip pickle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115287670A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207358817U (en) * | 2017-10-17 | 2018-05-15 | 湖北省水安建设有限公司 | A kind of hydraulic engineering pipeline external surface derusting device |
| CN211311609U (en) * | 2020-01-03 | 2020-08-21 | 天津市中朗博钢铁有限公司 | Pickling device for producing seamless steel pipes |
| CN213495406U (en) * | 2020-07-31 | 2021-06-22 | 佛山市利广名不锈钢有限公司 | Seamless steel tube production equipment |
| CN214168153U (en) * | 2020-12-10 | 2021-09-10 | 江苏开来钢管有限公司 | Corrosion-resistant seamless steel pipe surface pickling equipment for conveying fluid |
-
2022
- 2022-08-23 CN CN202211010566.3A patent/CN115287670A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207358817U (en) * | 2017-10-17 | 2018-05-15 | 湖北省水安建设有限公司 | A kind of hydraulic engineering pipeline external surface derusting device |
| CN211311609U (en) * | 2020-01-03 | 2020-08-21 | 天津市中朗博钢铁有限公司 | Pickling device for producing seamless steel pipes |
| CN213495406U (en) * | 2020-07-31 | 2021-06-22 | 佛山市利广名不锈钢有限公司 | Seamless steel tube production equipment |
| CN214168153U (en) * | 2020-12-10 | 2021-09-10 | 江苏开来钢管有限公司 | Corrosion-resistant seamless steel pipe surface pickling equipment for conveying fluid |
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