CN110917811A - Treatment device and process for copper recovery hazardous waste gas - Google Patents
Treatment device and process for copper recovery hazardous waste gas Download PDFInfo
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- CN110917811A CN110917811A CN201911252797.3A CN201911252797A CN110917811A CN 110917811 A CN110917811 A CN 110917811A CN 201911252797 A CN201911252797 A CN 201911252797A CN 110917811 A CN110917811 A CN 110917811A
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- waste gas
- hazardous waste
- copper recovery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/88—Replacing filter elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/025—Other waste gases from metallurgy plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40084—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by exchanging used adsorbents with fresh adsorbents
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a treatment device and a treatment process for copper recovery hazardous waste gas, and relates to the technical field of waste gas treatment. The technical key points are as follows: the utility model provides a processing apparatus of danger waste gas is retrieved to copper, includes the frame, it is provided with the carousel to rotate in the frame, still be provided with drive carousel intermittent type pivoted drive assembly in the frame, can dismantle along its circumference on the carousel and be connected with a plurality of active carbon filter assembly, the both sides of carousel are provided with intake pipe and outlet duct respectively, intake pipe and outlet duct are corresponding with active carbon filter assembly's position, be provided with seal assembly between intake pipe, outlet duct and the active carbon filter assembly. The invention has the advantages of continuously treating waste gas and improving the treatment efficiency.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a treatment device and a treatment process for copper recovery hazardous waste gas.
Background
The circuit board structure is mainly formed by sticking a copper foil on a glass fiber board by resin adhesive, and a large amount of cutting waste is generated when the circuit board is used, so that a plurality of copper foils with extremely high economic value are worth recycling on the waste circuit boards. In the prior art, the waste circuit board reaches the optional particle size by three-stage crushing and airflow separation; separating organic matters and metals by an electrostatic separator to separate copper-containing powder from non-metals (epoxy resin powder) to obtain copper-containing powder, and feeding the copper-containing powder to a brick making system for smelting.
The chinese invention patent with publication number CN110170242A discloses an electronic waste and waste gas treatment system, which is sequentially connected with the electronic waste smelting device, the quenching device, the cloth bag dust collecting device, the activated carbon adsorption device, the alkali liquor spraying device and the waste gas discharge chimney according to any one of claims 1 to 4. The activated carbon adsorption device is composed of two or more than three layers of activated carbon fiber cotton.
The above prior art solution has the following drawbacks: although the active carbon can adsorb waste gas and dust, the active carbon adsorption needs to be changed after reaching the saturated state, and the exhaust treatment system needs to be shut down when changing the active carbon, and then influences the exhaust treatment work, reduces exhaust treatment efficiency.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a device and a process for treating hazardous waste gas from copper recovery, which have the advantages of continuously treating waste gas and improving treatment efficiency.
The invention aims to provide a treatment process for copper recovery hazardous waste gas, which has the advantages of continuously treating waste gas and improving treatment efficiency.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a processing apparatus of danger waste gas is retrieved to copper, includes the frame, it is provided with the carousel to rotate in the frame, still be provided with drive carousel intermittent type pivoted drive assembly in the frame, can dismantle along its circumference on the carousel and be connected with a plurality of active carbon filter assembly, the both sides of carousel are provided with intake pipe and outlet duct respectively, intake pipe and outlet duct are corresponding with active carbon filter assembly's position, be provided with seal assembly between intake pipe, outlet duct and the active carbon filter assembly.
By adopting the technical scheme, the smelting flue gas is cooled to about 150 ℃ through the quenching tower, enters the activated carbon filtering component from the air inlet pipe, harmful gas and dust are adsorbed by activated carbon, and the purified gas is discharged to the next procedure from the air outlet pipe for treatment. Because the active carbon is replaced regularly, whether the active carbon is saturated or close to saturation can be judged according to the use duration, when the active carbon is saturated, the driving assembly drives the rotating disc to rotate, the sealing assembly can avoid gas leakage, and the next active carbon assembly rotates to a position between the gas inlet pipe and the gas outlet pipe, so that automatic replacement is completed.
The present invention in a preferred example may be further configured to: the seal assembly comprises a seal block and a seal ring, annular grooves are formed in the two side walls of the rotary table towards the air inlet pipe and the air outlet pipe along the circumferential direction of the rotary table, the seal block is located in the annular grooves and connected with the annular grooves in a sliding mode, the seal block is fixedly connected with the air inlet pipe and the air outlet pipe respectively, and the seal ring is located between the seal block and the inner wall of the annular groove.
Through adopting above-mentioned technical scheme, when the sealing block slided in the annular, the sealing washer can seal the clearance of sealing block and annular inner wall to avoid gas leakage.
The present invention in a preferred example may be further configured to: the active carbon filter component comprises a barrel, active carbon particles and a filter screen, wherein the filter screen is positioned at two ends of the barrel and is in threaded connection with the barrel, the active carbon particles are filled in a space enclosed by the barrel and the filter screen, and the barrel is detachably connected with the rotary table.
Through adopting above-mentioned technical scheme, the filter screen can be with the inside of active carbon restriction at the barrel, and filter screen and barrel threaded connection pull down the barrel after, conveniently take out inside active carbon particle and regenerate.
The present invention in a preferred example may be further configured to: the sealing block is annular, the annular is close to a lateral wall at carousel center and sets up the spacing groove with sealing block sliding connection, the carousel edge can be dismantled and be connected with the spacing ring, the sealing block is located between spacing ring and the annular diapire.
Through adopting above-mentioned technical scheme, spacing groove and spacing ring play the restriction to the motion of sealed piece, prevent that sealed piece from breaking away from the annular to guarantee sealed stability.
The present invention in a preferred example may be further configured to: a plurality of baffle plates are arranged in the cylinder at intervals, and the baffle plates are fixedly connected with the inner wall of the cylinder and distributed in a staggered manner.
By adopting the technical scheme, the gas flow path is changed into a curve from a straight line by the baffle plate, so that the adsorption time is prolonged, and the adsorption effect is good.
The present invention in a preferred example may be further configured to: the outer wall that frame one end was kept away from to the barrel extends outward and is provided with the collar, be equipped with on the carousel with collar complex mounting groove, be equipped with on the collar pass the collar and with carousel threaded connection's locking bolt.
Through adopting above-mentioned technical scheme, when only remaining a barrel on the carousel and using, unscrew the locking bolt on other barrels, take out the barrel and change convenient operation to the active carbon.
The present invention in a preferred example may be further configured to: the driving assembly comprises a driving motor, a grooved pulley, a rotating arm, a cylindrical pin and a notched disc, a shell of the driving motor is fixedly connected with the rack, the notched disc is coaxial and fixedly connected with a rotating shaft of the driving motor, one end of the rotating arm is fixedly connected with the notched disc, the other end of the rotating arm is fixedly connected with the cylindrical pin, the grooved pulley is coaxial and fixedly connected with the rotating shaft of the turntable, and the cylindrical pin is meshed with a groove of the grooved pulley.
Through adopting above-mentioned technical scheme, when the active carbon adsorption saturation, driving motor drives the breach disc and rotates, and the breach disc drives rocking arm and cylindric lock and rotates, drives the sheave again and rotates for the carousel rotates certain angle, thereby accomplishes automatic change.
The second purpose of the invention is realized by the following technical scheme:
the utility model provides a processing technology of copper recovery danger waste gas, adopts the processing apparatus of copper recovery danger waste gas as in purpose one to carry out adsorption treatment to the waste gas after the cooling.
By adopting the technical scheme, when the adsorption of the activated carbon is saturated, the driving assembly drives the rotary table to rotate, the sealing assembly can avoid gas leakage, and the next activated carbon assembly rotates to a position between the gas inlet pipe and the gas outlet pipe, so that automatic replacement is completed.
In summary, the invention includes at least one of the following beneficial technical effects:
1. when the activated carbon is saturated in adsorption, the driving assembly drives the rotary table to rotate, so that the next activated carbon assembly rotates to a position between the air inlet pipe and the air outlet pipe, and automatic replacement is finished.
2. The baffle plate changes the gas flowing path from a straight line to a curve, so that the adsorption time is prolonged, and the adsorption effect is good.
3. When the sealing block slides in the annular groove, the sealing ring can seal the gap between the sealing block and the inner wall of the annular groove, so that gas leakage is avoided.
Drawings
FIG. 1 is a schematic structural diagram of a treatment device for copper recovery hazardous waste gas;
FIG. 2 is a left side view of a copper recovery hazardous waste gas treatment device;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is an enlarged schematic view of a portion B in fig. 3.
Reference numerals: 1. a frame; 2. a turntable; 3. an activated carbon filter assembly; 31. a barrel; 32. activated carbon particles; 33. filtering with a screen; 4. an air inlet pipe; 5. an air outlet pipe; 6. a sealing block; 7. a seal ring; 8. a ring groove; 9. a limiting groove; 10. a limiting ring; 11. a baffle plate; 12. a mounting ring; 13. mounting grooves; 14. locking the bolt; 15. a drive motor; 16. a grooved wheel; 17. a rotating arm; 18. a cylindrical pin; 19. a notched disc.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows: referring to fig. 1 and 2, the copper recovery hazardous waste gas treatment device disclosed by the invention comprises a triangular frame 1 arranged along a vertical direction, a circular turntable 2 is rotatably arranged at the top end of the frame 1, the axis of the turntable 2 is horizontally arranged, a driving assembly for driving the turntable 2 to intermittently rotate is further arranged on the frame 1, the driving assembly comprises a driving motor 15, a sheave 16, a rotating arm 17, a cylindrical pin 18 and a notch disc 19, a shell of the driving motor 15 is fixedly connected with the frame 1 through a bolt, the notch disc 19 is coaxial and fixedly connected with a rotating shaft of the driving motor 15, the fixed connection can be made by welding or key connection, one end of the swivel arm 17 is welded with the notched disc 19, the other end of the groove wheel is welded with a cylindrical pin 18, the groove wheel 16 is coaxial and fixedly connected with the rotating shaft of the turntable 2, the fixed connection may be by welding or by keyed connection, with the cylindrical pin 18 engaging the groove of the sheave 16.
Referring to fig. 3 and 4, a plurality of activated carbon filter assemblies 3 are detachably connected to the rotary table 2 along the circumferential direction of the rotary table, the number of the activated carbon filter assemblies 3 is equal to that of the grooves of the grooved pulleys 16, in this embodiment, the number of the activated carbon filter assemblies 3 is 4 groups and is distributed at equal intervals, an air inlet pipe 4 and an air outlet pipe 5 are horizontally arranged on two sides of the rotary table 2 respectively, and the air inlet pipe 4 and the air outlet pipe 5 correspond to the position of the activated carbon filter assemblies 3.
The smelting flue gas is cooled to about 150 ℃ through a quench tower, enters the activated carbon filtering component 3 from the gas inlet pipe 4, harmful gas and dust are adsorbed by activated carbon, and the purified gas is discharged to the next procedure from the gas outlet pipe 5 for treatment. When the activated carbon is adsorbed to saturation, the driving assembly drives the rotary table 2 to rotate, the sealing assembly can avoid gas leakage, and the next activated carbon assembly rotates to a position between the gas inlet pipe 4 and the gas outlet pipe 5, so that automatic replacement is completed.
In order to avoid gas leakage, the intake pipe 4, be provided with seal assembly between outlet duct 5 and the active carbon filter assembly 3, seal assembly includes sealed piece 6 and sealing washer 7, annular 8 has been seted up along its circumference to carousel 2 towards the both sides wall of intake pipe 4 and outlet duct 5, sealed piece 6 be located annular 8 and with annular 8 sliding connection, sealed piece 6 respectively with intake pipe 4 and 5 fixed connection of outlet duct, sealing washer 7 is located between sealed piece 6 and the 8 inner walls of annular, sealing washer 7 can seal the clearance of sealed piece 6 and the 8 inner walls of annular.
The sealing block 6 is annular, the annular groove 8 is close to one side wall at the center of the turntable 2 and is provided with a limiting groove 9 which is connected with the sealing block 6 in a sliding manner, the edge of the turntable 2 is detachably connected with a limiting ring 10 through a bolt, and the sealing block 6 is located between the limiting ring 10 and the bottom wall of the annular groove 8. The limiting groove 9 and the limiting ring 10 play a limiting role in the movement of the sealing block 6, and the sealing block 6 is prevented from being separated from the ring groove 8, so that the sealing stability is ensured.
The activated carbon filtering component 3 comprises a cylinder 31, activated carbon particles 32 and a filter screen 33, wherein the filter screen 33 is positioned at two ends of the cylinder 31 and is in threaded connection with the cylinder 31, the activated carbon particles 32 are filled in a space enclosed by the cylinder 31 and the filter screen 33, and the cylinder 31 is detachably connected with the rotary table 2. The outer wall of barrel 31, the one end of keeping away from frame 1, outwards extends integrated into one piece and has collar 12, be equipped with on the carousel 2 with collar 12 complex mounting groove 13, be equipped with on the collar 12 and pass collar 12 and with carousel 2 threaded connection's locking bolt 14, locking bolt 14 is countersunk head bolt and its head does not exceed the surface of collar 12. When only one cylinder 31 is left on the rotary table 2 and is used, the locking bolts 14 on other cylinders 31 are loosened, the cylinder 31 is taken out, and the activated carbon is replaced, so that the operation is convenient. The filter screen 33 is in threaded connection with the cylinder 31, and after the cylinder 31 is detached, the activated carbon particles 32 inside the cylinder can be conveniently taken out for regeneration.
A plurality of baffle plates 11 are arranged in the cylinder 31 at intervals, in the embodiment, the number of the baffle plates 11 is three, and the baffle plates 11 are welded with the inner wall of the cylinder 31 and distributed in a staggered manner. The baffle plate 11 changes the gas flowing path from a straight line to a curve, so that the adsorption time is prolonged, and the adsorption effect is good.
Example two: a treatment process for copper recovery hazardous waste gas adopts a treatment device for copper recovery hazardous waste gas as in the first embodiment to carry out adsorption treatment on cooled waste gas.
The implementation principle of the first embodiment and the second embodiment is as follows: during operation, smelting flue gas is cooled to about 150 ℃ through the quench tower, enters the activated carbon filtering component 3 from the air inlet pipe 4, harmful gas and dust are adsorbed by activated carbon, and purified gas is discharged to the next procedure from the air outlet pipe 5 for treatment. When the activated carbon adsorption is saturated, the driving motor 15 drives the notch disc 19 to rotate, the notch disc 19 drives the rotating arm 17 and the cylindrical pin 18 to rotate, and then the grooved wheel 16 is driven to rotate, so that the turntable 2 rotates by a certain angle, the next activated carbon component rotates to a position between the air inlet pipe 4 and the air outlet pipe 5, the automatic replacement of the activated carbon filtering component 3 is completed, when only one barrel 31 is left on the turntable 2 and is in use, the locking bolts 14 on other barrels 31 are unscrewed, the barrel 31 is taken out, and the activated carbon is replaced, and the operation is convenient. The invention can replace the active carbon without stopping the machine, can continuously treat the waste gas and improve the treatment efficiency.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides a processing apparatus of danger waste gas is retrieved to copper, includes frame (1), its characterized in that, it is provided with carousel (2) to rotate in frame (1), still be provided with drive carousel (2) intermittent type pivoted drive assembly in frame (1), can dismantle along its circumference on carousel (2) and be connected with a plurality of active carbon filter assembly (3), the both sides of carousel (2) are provided with intake pipe (4) and outlet duct (5) respectively, intake pipe (4) and outlet duct (5) are corresponding with the position of active carbon filter assembly (3), be provided with seal assembly between intake pipe (4), outlet duct (5) and the active carbon filter assembly (3).
2. The device for treating hazardous waste gas in copper recovery according to claim 1, wherein the sealing assembly comprises a sealing block (6) and a sealing ring (7), two side walls of the rotary disc (2) facing the air inlet pipe (4) and the air outlet pipe (5) are provided with annular grooves (8) along the circumferential direction of the rotary disc, the sealing block (6) is located in the annular grooves (8) and is in sliding connection with the annular grooves (8), the sealing block (6) is fixedly connected with the air inlet pipe (4) and the air outlet pipe (5) respectively, and the sealing ring (7) is located between the sealing block (6) and the inner wall of the annular groove (8).
3. The device for treating hazardous waste gas in copper recovery according to claim 2, wherein the activated carbon filter assembly (3) comprises a cylinder (31), activated carbon particles (32) and a filter screen (33), the filter screen (33) is located at two ends of the cylinder (31) and is in threaded connection with the cylinder (31), the activated carbon particles (32) are filled in a space surrounded by the cylinder (31) and the filter screen (33), and the cylinder (31) is detachably connected with the rotary table (2).
4. The device for treating hazardous waste gas generated in copper recovery according to claim 2, wherein the sealing block (6) is annular, a limiting groove (9) slidably connected with the sealing block (6) is formed in one side wall of the annular groove (8) close to the center of the rotary table (2), a limiting ring (10) is detachably connected to the edge of the rotary table (2), and the sealing block (6) is located between the limiting ring (10) and the bottom wall of the annular groove (8).
5. The device for treating hazardous waste gas generated in copper recovery according to claim 3, wherein a plurality of baffle plates (11) are arranged in the cylinder (31) at intervals, and the baffle plates (11) are fixedly connected with the inner wall of the cylinder (31) and are distributed in a staggered manner.
6. The device for treating copper recovery hazardous waste gas according to claim 5, characterized in that the outer wall of the barrel (31) far away from one end of the rack (1) extends outwards to form a mounting ring (12), the turntable (2) is provided with a mounting groove (13) matched with the mounting ring (12), and the mounting ring (12) is provided with a locking bolt (14) penetrating through the mounting ring (12) and in threaded connection with the turntable (2).
7. The device for treating hazardous waste gas in copper recovery according to claim 6, characterized in that the driving assembly comprises a driving motor (15), a sheave (16), a rotating arm (17), a cylindrical pin (18) and a notched disc (19), the housing of the driving motor (15) is fixedly connected with the frame (1), the notched disc (19) is coaxial and fixedly connected with the rotating shaft of the driving motor (15), one end of the rotating arm (17) is fixedly connected with the notched disc (19), the other end of the rotating arm is fixedly connected with the cylindrical pin (18), the sheave (16) is coaxial and fixedly connected with the rotating shaft of the turntable (2), and the cylindrical pin (18) is meshed with the groove of the sheave (16).
8. A treatment process of copper recovery hazardous waste gas, characterized in that the cooled waste gas is subjected to adsorption treatment by using the treatment device of copper recovery hazardous waste gas as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911252797.3A CN110917811B (en) | 2019-12-09 | 2019-12-09 | Treatment device and process for copper recovery hazardous waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911252797.3A CN110917811B (en) | 2019-12-09 | 2019-12-09 | Treatment device and process for copper recovery hazardous waste gas |
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| Publication Number | Publication Date |
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| CN110917811A true CN110917811A (en) | 2020-03-27 |
| CN110917811B CN110917811B (en) | 2022-03-04 |
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| CN201911252797.3A Active CN110917811B (en) | 2019-12-09 | 2019-12-09 | Treatment device and process for copper recovery hazardous waste gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111544983A (en) * | 2020-05-19 | 2020-08-18 | 梁鲁波 | Comprehensive treatment device for dust-containing waste gas based on large discharge capacity absorption |
| CN115400543A (en) * | 2022-09-29 | 2022-11-29 | 广州福麟环保科技有限公司 | VOCs exhaust treatment device |
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| CN207286868U (en) * | 2017-08-03 | 2018-05-01 | 浙江格凌实业有限公司 | A kind of vacuum Filter for pump |
| CN208390615U (en) * | 2018-05-07 | 2019-01-18 | 包头市泽润机械设备有限责任公司 | A kind of smoke collecting device for flue gas trapping of driving a vehicle |
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| US5057128A (en) * | 1990-07-03 | 1991-10-15 | Flakt, Inc. | Rotary adsorption assembly |
| EP0832679A2 (en) * | 1996-09-27 | 1998-04-01 | The Boc Group, Inc. | Process and apparatus for gas separation |
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| CN115400543A (en) * | 2022-09-29 | 2022-11-29 | 广州福麟环保科技有限公司 | VOCs exhaust treatment device |
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| CN110917811B (en) | 2022-03-04 |
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