CN220999780U - Steel hot dip galvanization equipment - Google Patents
Steel hot dip galvanization equipment Download PDFInfo
- Publication number
- CN220999780U CN220999780U CN202322677369.3U CN202322677369U CN220999780U CN 220999780 U CN220999780 U CN 220999780U CN 202322677369 U CN202322677369 U CN 202322677369U CN 220999780 U CN220999780 U CN 220999780U
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- CN
- China
- Prior art keywords
- box
- hot dip
- steel
- fixedly connected
- zinc liquid
- 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.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 42
- 239000010959 steel Substances 0.000 title claims abstract description 42
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 41
- 239000011701 zinc Substances 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 238000005246 galvanizing Methods 0.000 claims description 22
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 10
- 238000007747 plating Methods 0.000 description 14
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 8
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 8
- 239000002904 solvent Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical group Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 235000019270 ammonium chloride Nutrition 0.000 description 4
- 229910001448 ferrous ion Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 235000005074 zinc chloride Nutrition 0.000 description 4
- 239000011592 zinc chloride Substances 0.000 description 4
- 238000007598 dipping method Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 239000008237 rinsing water Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001447 ferric ion Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Coating With Molten Metal (AREA)
Abstract
The utility model relates to the technical field of galvanization, in particular to steel hot dip galvanization equipment. The technical proposal comprises: the zinc liquid pool is placed to the bottom inner wall of box, and inlet fan and exhaust fan are fixed mounting respectively to the left and right sides inner circle of box, and the top fixed mounting of box has the cylinder, and the telescopic shaft of cylinder runs through the roof and the fixedly connected with top cap of box, and the roof inner wall fixedly connected with of top cap a plurality of spliced poles, the board is placed to the common fixedly connected with in bottom of spliced pole, has seted up a plurality of weeping holes on the board of placing, and the inside fixed mounting of top cap has fixture for fix the steel that needs galvanization. According to the utility model, the top cover is pulled up by starting the air cylinder, and the zinc liquid at the top part in the zinc liquid pool flows back to the zinc liquid pool along the top cover to two sides, so that the phenomenon that the scum on the surface of the zinc liquid adheres to the surface of steel is avoided, and the galvanization effect is improved.
Description
Technical Field
The utility model relates to the technical field of galvanization, in particular to steel hot dip galvanization equipment.
Background
Hot dip galvanizing is the process of reacting molten metal with an iron matrix to produce an alloy layer, thereby bonding both the matrix and the coating. The hot dip galvanizing is to firstly acid-wash the steel product, and to remove ferric oxide on the surface of the steel product, after acid-wash, the steel product is washed in an ammonium chloride or zinc chloride aqueous solution or ammonium chloride and zinc chloride mixed aqueous solution tank, and then sent into a hot dip galvanizing tank. The hot galvanizing has the advantages of uniform coating, strong adhesive force, long service life and the like. The current technology commonly adopted in the hot dip galvanizing industry is hydrochloric acid washing, water rinsing, soaking in a plating assisting solvent (zinc chloride and ammonium chloride are added), drying, zinc dipping and passivation, the effect of a solvent film after drying is not very good, quality problems such as plating omission often occur, and the like; after the rinsing water is soaked, the solvent is soaked again, and the effect of the solvent film can be improved.
In the prior art, the patent number is: CN217709637U discloses a hot dip galvanizing apparatus, which includes a base plate, a cylinder, a slide plate, a support plate a, a pressure sensor, and a grid frame; a zinc pot is arranged on the bottom plate; the column is rotatably arranged on the bottom plate, and a support column is arranged on the column; the sliding plate is arranged on the front side surface of the support column in a sliding way, a pull rope is arranged on the sliding plate, and a power assembly b for winding and unwinding the pull rope is arranged at the top of the support column; the support plate a is arranged on the front side surface of the support column; the pressure sensor is arranged at the bottom of the supporting plate a; the grid frame is arranged on the front side surface of the sliding plate in a sliding way, the top of the inner wall of the grid frame is provided with a supporting plate b, the supporting plate b is provided with a hanging ring, and the hanging ring is provided with a pull rope; a control system is arranged on the bottom plate. According to the utility model, an operator only needs to put the workpiece in the grid frame, and then can automatically put the grid frame and the workpiece in the zinc pot together, so that the phenomenon that high-temperature liquid in the zinc pot splashes out to hurt people is avoided, and the use safety is high.
Although the hot dip galvanizing equipment can be used for galvanizing a workpiece through the matching of the grid frame and the zinc pot, in practical application, the following defects still exist: when a workpiece is lifted, the scum is easily attached to the surface of the workpiece to cause plating leakage, so that the zinc plating effect is poor.
Disclosure of utility model
The utility model aims to solve the problems in the background art and provides steel hot dip galvanizing equipment.
To achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a steel hot dip galvanizing equipment, comprises a box body, the zinc liquid bath has been placed to the bottom inner wall of box, the left and right sides inner circle of box is fixed mounting respectively and is advanced fan and exhaust fan, the top fixed mounting of box has the cylinder, the telescopic shaft of cylinder runs through the roof and the fixedly connected with top cap of box, roof inner wall fixedly connected with a plurality of spliced poles of top cap, the board is placed to the common fixedly connected with in bottom of spliced pole, a plurality of weeping holes have been seted up on the board, the inside fixed mounting of top cap has fixture for fix the steel that needs galvanization.
Preferably, the clamping mechanism comprises a sealing shell fixedly installed on the outer wall of the right side of the top cover and a servo motor, the servo motor is located in the sealing shell, the output end of the servo motor penetrates through the right wall of the top cover and is fixedly connected with a left threaded rod and a right threaded rod, the inner wall of the left side of the top cover is fixedly provided with a bearing block, and the left end of the left threaded rod and the right threaded rod are rotationally connected with the bearing block.
Preferably, the left and right inner walls of the top cover are fixedly connected with two slide bars together, the left and right threaded rods are positioned between the two slide bars, and the left and right threaded rods are connected with two clamping plates in a sliding manner together with the peripheries of the slide bars.
Preferably, the clamping plate is provided with a threaded hole and two sliding holes, and the threaded hole and the sliding holes on the clamping plate are respectively matched with the left threaded rod, the right threaded rod and the sliding rod.
Preferably, the filter screen is fixedly arranged on one outward side of the air inlet fan and the exhaust fan.
Preferably, the top fixedly connected with protecting crust of box, the cylinder is located the inside of protecting crust.
Preferably, the front face of the box body is hinged with a box door, and a glass window is fixedly arranged in the box door.
The utility model has the beneficial effects that: the utility model discloses when using, place the steel that needs galvanization at the top of placing the board, start servo motor drives left and right sides threaded rod and rotates, make two splint slide in the periphery of controlling threaded rod and slide bar and be close to, until holding steel, start the cylinder and descend the top cap to the inside zinc liquid of zinc liquid pond, the top cap drives through a plurality of spliced poles and places the board and descend, thereby with steel all submergence in the inside zinc liquid of zinc liquid pond, after the galvanization is accomplished to the steel, start the cylinder and pull up the top cap, the zinc liquid at top can flow back to the zinc liquid pond along the top cap in both sides, start into fan and exhaust fan and cool off the steel that has galvanization, zinc liquid on the board can flow back to the inside of zinc liquid pond through a plurality of weeping holes simultaneously, the dross on the zinc liquid surface has been avoided adhering to the steel surface, the effect of increase galvanization.
Drawings
FIG. 1 is a front view showing the effect of the whole structure of an embodiment of a steel hot dip galvanization apparatus of the present utility model;
FIG. 2 is a schematic view in front cross-section of the overall structure of an embodiment of a steel hot dip galvanization apparatus of the present utility model;
FIG. 3 is a schematic side sectional view showing the overall structure of an embodiment of a steel hot dip galvanization apparatus of the present utility model;
FIG. 4 is a schematic top cut-away view of the overall structure of an embodiment of a steel hot dip galvanization apparatus of this utility model.
Reference numerals: 1. a case; 2. a zinc liquid pool; 3. a protective shell; 4. a cylinder; 5. a top cover; 6. a connecting column; 7. placing a plate; 8. a weeping hole; 9. a sealed housing; 10. a servo motor; 11. a bearing block; 12. a left threaded rod and a right threaded rod; 13. a slide bar; 14. a clamping plate; 15. a wind inlet machine; 16. an exhaust fan; 17. a door; 18. a glazing.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In order to perform plating assisting effect more efficiently, a plating assisting agent (high-aluminum plating assisting agent) can be added into rinse water, and the process comprises hydrochloric acid washing, water rinsing (high-aluminum plating assisting agent is added), soaking in a plating assisting solvent (zinc chloride and ammonium chloride are added), drying, zinc dipping and passivation; after the rinsing water is soaked, the solvent is soaked again, and the effect of the solvent film can be improved. The plating assistant agent used in workshops is mainly used in the pretreatment process of galvanization, and the procedure of dipping the steel pipe with the plating assistant agent is carried out after the pickling procedure, so that after a period of production and use, a great amount of ferrous ions are found in a rinsing pool, the ferrous ions are basically stabilized at 150g/L, the plating assistant effect is influenced, the increase of the iron content in a zinc pot is also influenced, and the slag yield is improved. The less slag is produced, the longer the service life of the zinc pot is, and the cost is reduced.
And pumping liquid in a workshop rinsing pool through a water pump, flowing into a treatment pool, oxidizing ferrous ions into ferric ions by adding hydrogen peroxide for aeration, and conveying the liquid into a workshop after pressure filtration through a pressure filter for use. The iron content of the plating assistant used in workshops can be greatly reduced by the system treatment mode of the oxidation precipitation, and the existence of no ferrous ions is realized.
Wherein, in the galvanizing process, a layer of dross is easy to be generated on the surface of zinc liquid in the existing zinc pot, when a workpiece is lifted, the dross is easy to be adhered on the surface of the workpiece to cause plating leakage, so that the galvanizing effect is poor. Accordingly, the present utility model provides a steel hot dip galvanization apparatus.
Example 1
As shown in fig. 1-4, the steel hot dip galvanizing equipment provided by the utility model comprises a box body 1, wherein a zinc liquid pool 2 is arranged on the inner wall of the bottom of the box body 1, an air inlet fan 15 and an air exhaust fan 16 are respectively fixedly arranged on the inner rings of the left side and the right side of the box body 1, an air cylinder 4 is fixedly arranged at the top of the box body 1, a telescopic shaft of the air cylinder 4 penetrates through the top wall of the box body 1 and is fixedly connected with a top cover 5, a plurality of connecting columns 6 are fixedly connected with the inner wall of the top cover 5, a placing plate 7 is fixedly connected with the bottom ends of the connecting columns 6 together, a plurality of liquid leakage holes 8 are formed in the placing plate 7, and a clamping mechanism is fixedly arranged in the top cover 5 and used for fixing steel needing galvanizing.
In this embodiment: the clamping mechanism comprises a sealing shell 9 and a servo motor 10 which are fixedly arranged on the outer wall of the right side of the top cover 5, the servo motor 10 is positioned in the sealing shell 9, the output end of the servo motor 10 penetrates through the right wall of the top cover 5 and is fixedly connected with a left threaded rod and a right threaded rod 12, the inner wall of the left side of the top cover 5 is fixedly provided with a bearing block 11, and the left end of the left threaded rod and the left threaded rod 12 are rotationally connected with the bearing block 11; the left and right inner walls of the top cover 5 are fixedly connected with two slide bars 13 together, a left and right threaded rod 12 is positioned between the two slide bars 13, the left and right threaded rod 12 and the periphery of the slide bars 13 are connected with two clamping plates 14 in a sliding manner together, and through the arrangement, the two clamping plates 14 can slide on the peripheries of the left and right threaded rod 12 and the slide bars 13 and are close to each other, so that steel to be galvanized is clamped and fixed; screw holes and two sliding holes are formed in the clamping plate 14, the screw holes and the sliding holes in the clamping plate 14 are matched with the left and right threaded rods 12 and the sliding rods 13 respectively, and through the arrangement, the clamping plate 14 can slide on the peripheries of the left and right threaded rods 12 and the sliding rods 13 more stably.
Working principle: when using the utility model discloses a device, place the steel that needs galvanization at the top of placing plate 7, start servo motor 10 drives left and right sides threaded rod 12 and rotates, make two splint 14 slide near the periphery of controlling threaded rod 12 and slide bar 13, until holding steel, start cylinder 4 descends top cap 5 to the inside zinc liquid of zinc liquid pond 2, top cap 5 drives through a plurality of spliced pole 6 and places plate 7 and descend, thereby with steel all submergence in the inside zinc liquid of zinc liquid pond 2, after the galvanization is accomplished to the steel, start cylinder 4 draws top cap 5, the zinc liquid at top in the zinc liquid pond 2 can flow back to the zinc liquid pond 2 along top cap 5 to both sides, start air inlet machine 15 and exhaust fan 16 cool off the steel that has galvanization, the zinc liquid on the board 7 can flow back to the inside of zinc liquid pond 2 through a plurality of weeping holes 8 simultaneously, the dross on the zinc liquid surface has been avoided adhering to the steel surface.
Example two
As shown in fig. 1-4, compared with the first embodiment, the hot dip galvanizing equipment for steel provided by the utility model has the advantages that the filter screens are fixedly arranged on the outward sides of the air inlet machine 15 and the exhaust fan 16, so that external dust is prevented from entering the box body 1, and meanwhile, the gas volatilized by the zinc liquid in the zinc liquid pool 2 can be filtered, so that the threat to human health is avoided; the top of the box body 1 is fixedly connected with the protective shell 3, and the air cylinder 4 is positioned in the protective shell 3, so that the protective shell 3 can be protected, and the service life of the protective shell 3 is prolonged; the front of the box body 1 is hinged with a box door 17, and the inside of the box door 17 is fixedly provided with a glass window 18, so that a worker can conveniently observe the galvanized condition better, and the galvanized quality is controlled.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (7)
1. The hot dip galvanizing equipment for steel comprises a box body (1), and is characterized in that: the zinc liquid pool (2) has been placed to the bottom inner wall of box (1), inlet fan (15) and exhaust fan (16) are fixed mounting respectively to the left and right sides inner circle of box (1), the top fixed mounting of box (1) has cylinder (4), the telescopic shaft of cylinder (4) runs through the roof and the fixedly connected with top cap (5) of box (1), roof inner wall fixedly connected with a plurality of spliced poles (6) of top cap (5), the common fixedly connected with of bottom of spliced pole (6) places board (7), a plurality of weeping holes (8) have been seted up on placing board (7), the inside fixed mounting of top cap (5) has fixture for fix the steel that needs galvanization.
2. A steel hot dip galvanising apparatus according to claim 1, characterized in that said clamping means comprises a sealed housing (9) fixedly mounted on the right outer wall of the top cover (5) and a servo motor (10), and the servo motor (10) is located inside the sealed housing (9), the output end of the servo motor (10) penetrates the right wall of the top cover (5) and is fixedly connected with a left and right threaded rod (12), the left inner wall of the top cover (5) is fixedly mounted with a bearing block (11), and the left end of the left and right threaded rod (12) is rotatably connected with the bearing block (11).
3. A steel hot dip galvanising apparatus according to claim 2, characterized in that the left and right inner walls of the top cover (5) are fixedly connected with two slide bars (13) together, and the left and right threaded bars (12) are located between the two slide bars (13), and the left and right threaded bars (12) are slidably connected with two clamping plates (14) together with the periphery of the slide bars (13).
4. A steel hot dip galvanising apparatus according to claim 3, characterised in that the clamping plates (14) are provided with threaded holes and two slide holes, and the threaded holes and slide holes of the clamping plates (14) are respectively matched with the left and right threaded rods (12) and the slide bars (13).
5. A steel hot dip galvanising apparatus according to claim 1, characterized in that the outward sides of the air intake (15) and the exhaust fan (16) are fixedly provided with filter screens.
6. The steel hot dip galvanizing equipment according to claim 1, wherein the top of the box body (1) is fixedly connected with a protective shell (3), and the air cylinder (4) is positioned in the protective shell (3).
7. A steel hot dip galvanising apparatus according to claim 1, characterised in that the front face of the box (1) is hinged with a box door (17), the interior of the box door (17) being fixedly fitted with a glazing (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322677369.3U CN220999780U (en) | 2023-10-08 | 2023-10-08 | Steel hot dip galvanization equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322677369.3U CN220999780U (en) | 2023-10-08 | 2023-10-08 | Steel hot dip galvanization equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220999780U true CN220999780U (en) | 2024-05-24 |
Family
ID=91113022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322677369.3U Active CN220999780U (en) | 2023-10-08 | 2023-10-08 | Steel hot dip galvanization equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220999780U (en) |
-
2023
- 2023-10-08 CN CN202322677369.3U patent/CN220999780U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240802 Address after: No. 1 Zhongxing Avenue, Shangxing Town, Liyang City, Changzhou City, Jiangsu Province 213300 Patentee after: Jiangsu Youfa Steel Pipe Co.,Ltd. Country or region after: China Address before: 300000 RMB Industrial Zone in Daqiuzhuang Town, Jinghai District, Tianjin City Patentee before: TIANJIN YOUFA STEEL PIPE GROUP Co.,Ltd. Country or region before: China Patentee before: Tianjin steel pipe Group Limited by Share Ltd first branch |