CN215627181U - Filtration treatment device for online recovery of printing and dyeing rinse water - Google Patents

Filtration treatment device for online recovery of printing and dyeing rinse water Download PDF

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Publication number
CN215627181U
CN215627181U CN202122100410.1U CN202122100410U CN215627181U CN 215627181 U CN215627181 U CN 215627181U CN 202122100410 U CN202122100410 U CN 202122100410U CN 215627181 U CN215627181 U CN 215627181U
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filter
ultrafiltration
reverse osmosis
filtration
water tank
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陈林飞
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Zhejiang Xinrui Environmental Protection Technology Co ltd
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Zhejiang Xinrui Environmental Protection Technology Co ltd
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Abstract

The utility model discloses a filtration treatment device, aiming at providing a filtration treatment device for on-line recovery of printing and dyeing rinse water, which comprises a sewage tank, a filter-pressing system, an ultrafiltration system, a reverse osmosis system, a reflux system, a rough filtration water tank, an ultrafiltration water tank, a pure water tank, a lift pump and a filtration pump, wherein the filter-pressing system is communicated with the sewage tank; the utility model has the advantages of modular design, small occupied area, short treatment period and instant effect, and is suitable for the technical field of sewage treatment.

Description

Filtration treatment device for online recovery of printing and dyeing rinse water
Technical Field
The utility model belongs to the technical field of sewage treatment, and particularly relates to a filtering treatment device for online recovery of printing and dyeing rinse water.
Background
In the fields of sewage treatment and water resource recycling, the sewage treatment process is gradually mature, but the sewage efficiency is low, and the treatment processes aiming at the printing, dyeing and rinsing sewage in the prior art are roughly as follows: 1. dynamic micro-electrolysis, hydrolytic acidification and aerobic biochemical method; 2. an adsorption precipitation + hydrolytic acidification + deep well aeration + coagulation precipitation + YQAS system; 3. an interception tank, a hydrolytic acidification tank, an aerobic tank, a contact oxidation tank and a coagulating sedimentation tank; 4. hydrolysis acidification, CASS, coagulating sedimentation, iron and manganese removal and filtration tank; 5. the method adopts a biochemical method (surface aeration is used as primary treatment, and ozone is reserved as secondary treatment) + chemical flotation; 6. process wastewater → grille → adjusting tank → air flotation tank A (composite iron salt) → anaerobic hydrolysis → biological contact oxidation → secondary sedimentation tank → air flotation tank B (PAC) → outer discharge nano-tube; micro-electrolysis-coagulating sedimentation-hydrolytic acidification-EHBR; 8. air floatation, hydrolytic acidification, contact oxidation and secondary sedimentation tank; 9. hydrolysis acidification, aerobic treatment and MBR; 10. primary anaerobic treatment, secondary anaerobic treatment, SBR, coagulating sedimentation and oxidation decoloration; 11. coagulating sedimentation, hydrolytic acidification, a biochemical tank, a secondary sedimentation tank and an oxidation pond; 12. biochemistry, materialization, SMF and HAPRO have the defects of large occupied area, long treatment period and the like, and most of processes mainly adopt nitrification and denitrification routes, so that waste is caused under the condition of insufficient ammonia nitrogen in sewage, and the surfactant, dye and heavy metal cannot be really removed from the aspect of filtration precision.
Although MBR technology appears in the prior art, namely a novel water treatment technology combining a membrane separation unit and a biological treatment unit, a reverse osmosis membrane has very high requirements on the quality of inlet water, the quality of produced outlet water cannot meet the standard, and higher turbidity and colloid cause the blockage of a reverse osmosis system in a short time, so that ultrafiltration is increasingly widely used as pretreatment of reverse osmosis on the basis.
For example, chinese patent application No. (CN2020209736670) discloses a reclaimed water recycling system for sewage treatment, which comprises an inclined tube sedimentation system, wherein a reverse osmosis system communicated with an inclined tube sedimentation system phase pipeline is arranged on a side of the inclined tube sedimentation system, a sand filtration system is arranged between the reverse osmosis system and the inclined tube sedimentation system, an ultrafiltration system is arranged between the sand filtration system and the reverse osmosis system, and the reverse osmosis system comprises a primary RO mechanism and a secondary RO mechanism.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide the filtering treatment device for online recovery of printing and dyeing rinse water, which has small floor area and short treatment period.
In order to achieve the purpose, the utility model provides the following technical scheme: a filtering treatment device for online recovery of printing and dyeing rinse water comprises a sewage tank and further comprises:
the filter pressing system is communicated with the sewage tank;
the ultrafiltration system is positioned on one side of the filter pressing system, which is far away from the sewage tank;
the reverse osmosis system is positioned on one side of the ultrafiltration system, which is far away from the filter pressing system;
the two lifting pumps are respectively positioned between the sewage tank and the filter pressing system and between the filter pressing system and the ultrafiltration system;
and the two filter pumps are respectively positioned between the filter pressing system and the ultrafiltration system and between the ultrafiltration system and the reverse osmosis system.
The utility model is further configured to further include:
the backflow system comprises a backflow pipe and is respectively communicated with the filter pressing system, the ultrafiltration system and the reverse osmosis system;
the rough filtering water tank is positioned between the filter pressing system and the ultrafiltration system and is respectively communicated with the lifting pump and the filter pump;
the ultrafiltration water tank is positioned between the ultrafiltration system and the reverse osmosis system and is respectively communicated with the ultrafiltration system and the filter pump;
and the pure water tank is communicated with one side of the reverse osmosis system, which is far away from the ultrafiltration water tank.
The utility model further provides that the filter pump comprises:
a housing;
the motor is arranged on the upper end surface of the shell;
the conveying shaft is positioned in the shell, extends out of the upper end surface of the motor and is fixedly connected with an output shaft of the motor;
the spiral blade is fixedly arranged on the outer surface of the conveying shaft;
the filter cartridge is arranged in the shell, and both ends of the filter cartridge are fixedly connected with the upper end and the lower end of the shell;
the water inlet is formed in the side face, close to the bottom end, of the shell, penetrates through the filter cylinder and extends into the filter cylinder;
and the water outlet is formed in the side surface, close to the top end, of the shell.
The utility model further provides that the filter pump further comprises:
the cleaning assemblies are arranged, one ends of the cleaning assemblies are fixedly arranged on the outer surface of the conveying shaft, and the other ends of the cleaning assemblies are abutted against the inner wall of the filter cylinder;
wherein, the clearance subassembly includes:
the connecting columns are arranged in a plurality of numbers, and one ends of the connecting columns are fixedly connected with the outer surface of the conveying shaft;
the hanging rods are arranged and are fixedly arranged at one end of the connecting column far away from the conveying shaft;
the wearing layer, the wearing layer is a plurality of, and fixed establishing respectively in the one end that a plurality of peg are close to the cartridge filter inner wall.
The utility model further provides that the filter pump further comprises:
a flush port comprising an upper inlet and a lower outlet;
the two sealing plugs are respectively arranged in the upper inlet and the lower outlet;
the upper inlet is formed in the side face, close to the top end, of the shell, and the lower outlet is formed in the bottom face of the shell.
The utility model further provides that the filter cartridge comprises:
the small filter cylinder is arranged in the shell, and both ends of the small filter cylinder are fixedly connected with the upper end and the lower end in the shell;
the large filter cylinder is sleeved on the outer surface of the small filter cylinder, and both ends of the large filter cylinder are fixedly connected with the upper end and the lower end in the shell;
wherein the diameter of the filter hole of the small filter cylinder is larger than that of the filter hole of the large filter cylinder.
The utility model has the beneficial effects that:
1. the modular design is adopted, the occupied area is small, further adjustment can be made according to a certain process step requirement on the site, and later equipment maintenance is facilitated;
2. the treatment period is short, and the effect of instant effect can be achieved;
3. the rinsing sewage is filtered and treated in a pure physical mode, and the phase change of the sewage cannot occur in the treatment process.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the utility model at A in FIG. 1;
in the drawings: 1. a sewage tank; 2. a filter pressing system; 3. an ultrafiltration system; 4. a reverse osmosis system; 5. a lift pump; 6. a filter pump; 60. a housing; 61. a motor; 62. a delivery shaft; 63. a helical blade; 64. a filter cartridge; 65. a water inlet; 66. a water outlet; 67. cleaning the assembly; 670. connecting columns; 671. a hanging rod; 672. A wear layer; 68. flushing the opening; 680. an upper inlet; 681. a lower outlet; 69. a sealing plug; 7. a return pipe; 8. a coarse filtration water tank; 9. an ultrafiltration water tank; 10. a pure water pool; 11. an ultrafiltration membrane backwashing pump; 12. a reverse osmosis membrane backwash pump; 13. a medicine adding barrel; 14. a dosing pump; 15. a first stirring device; 16. a second stirring device; 17. a liquid level sensor; 170. an upper liquid level sensor; 171. a lower liquid level sensor; 18. a UV germicidal lamp; 19. and (7) a water outlet.
Detailed Description
The utility model is further described in the following with reference to fig. 1 to 2 in a specific embodiment:
example 1:
the embodiment provides a filtering treatment device for online recovery of printing and dyeing rinse water, which comprises a sewage tank 1 and further comprises:
the filter pressing system 2 is communicated with the sewage tank 1;
the ultrafiltration system 3 is positioned on one side of the filter pressing system 2, which is far away from the sewage tank 1;
the reverse osmosis system 4 is positioned on one side of the ultrafiltration system 3 away from the filter pressing system 2;
the two lifting pumps 5 are respectively positioned between the sewage tank 1 and the filter pressing system 2 and between the filter pressing system 2 and the ultrafiltration system 3;
and two filter pumps 6 are provided, and are respectively positioned between the filter pressing system 2 and the ultrafiltration system 3 and between the ultrafiltration system 3 and the reverse osmosis system 4.
The embodiment has the advantages that the modular design is adopted, the occupied area is small, further adjustment can be made according to a certain process step requirement on the site, and the later-stage equipment maintenance is facilitated; the treatment period is short, and the effect of instant effect can be achieved; the rinsing sewage is filtered and treated in a pure physical mode, and the phase change of the sewage cannot occur in the treatment process.
The rinsing sewage is filtered through the filter pressing system 2, and the filter pressing system 2 can effectively extract solid in the mixed liquid, so that a good solid-liquid separation effect is realized, and the rinsing sewage is well pretreated; the ultrafiltration system 3 enables the water solution to flow through the surface of the ultrafiltration membrane under the pushing of certain pressure, the solvent and the small-molecule solute permeable membrane which are smaller than the membrane pores become ultrafiltration water, the solute and solute groups which are larger than the membrane pores are intercepted and discharged with water flow to become concentrated water, and then the concentrated water returns to the sewage tank 1 through the reflux system; and finally, applying pressure to the rinsing sewage through reverse osmosis, wherein when the pressure exceeds the osmotic pressure of a reverse osmosis membrane, the rinsing sewage is subjected to reverse osmosis along the direction against natural osmosis, so that the permeated rinsing sewage is obtained on the pressing side of the reverse osmosis membrane, namely, the water medium flows into the pure water tank 10, concentrated water is obtained on the high-pressure side and returns to the sewage tank 1 through a reflux system, and meanwhile, a lifting pump 5 and a filter pump 6 are adopted, so that the rinsing sewage among the modules can be conveniently conveyed.
Example 2:
in this embodiment, in addition to the structural features of embodiment 1, the present invention further includes:
the backflow system comprises a backflow pipe 7 and is respectively communicated with the filter pressing system 2, the ultrafiltration system 3 and the reverse osmosis system 4;
a rough filtration water tank 8, wherein the rough filtration water tank 8 is positioned between the filter pressing system 2 and the ultrafiltration system 3 and is respectively communicated with the lifting pump 5 and the filter pump 6;
the ultrafiltration water tank 9 is positioned between the ultrafiltration system 3 and the reverse osmosis system 4, and is respectively communicated with the ultrafiltration system 3 and the filter pump 6;
and the pure water tank 10 is communicated with one side of the reverse osmosis system 4 far away from the ultrafiltration water tank 9.
According to the embodiment, the backflow system is arranged, so that rinsing sewage flows back to the sewage tank 11 conveniently, the sewage tank is filtered again, the filtering effect is improved, the coarse filtering water tank 8, the ultrafiltration water tank 9 and the pure water tank 10 can temporarily store water media, and the whole system is convenient to operate and has high efficiency.
Example 3:
in this embodiment, in addition to the structural features of embodiment 1, the filter pump 6 further includes:
a housing 60;
the motor 61, the said motor 61 is installed and set up in the upper end of the body 60;
the conveying shaft 62 is positioned in the shell 60, extends out of the upper end face of the motor 61 and is fixedly connected with the output shaft of the motor 61;
a helical blade 63, wherein the helical blade 63 is fixedly arranged on the outer surface of the conveying shaft 62;
the filter cartridge 64 is installed in the housing 60, and both ends of the filter cartridge 64 are fixedly connected with the upper end and the lower end of the housing 60;
the water inlet 65 is formed in the side surface of the shell 60 close to the bottom end, penetrates through the filter cartridge 64 and extends into the filter cartridge 64;
a water outlet 1966, wherein the water outlet 1966 is arranged on the side surface of the shell 60 close to the top end;
the filter cartridge 64 may be made of activated carbon, a coupling is provided between the transmission shaft 62 and the motor, and a shaft seal and a sealing sleeve are provided at the connection.
In this embodiment, it can be seen that the motor 61 drives the conveying shaft 62 to operate, so that the helical blade 63 rotates along with the conveying shaft 62, and under the driving of the rotating blade, the water medium is input from the water inlet 65, and is output from the water outlet 1966 after being filtered by the filter cartridge 64, so as to have a filtering effect on the flowing rinsing sewage medium, and if the filter cartridge 64 made of materials with odor removal effects such as activated carbon is adopted, the odor removal and purification effects on the rinsing sewage medium can be achieved.
Example 4:
in this embodiment, in addition to the structural features of embodiment 3, the filter pump 6 further includes:
a plurality of cleaning assemblies 67, wherein one end of each cleaning assembly 67 is fixedly arranged on the outer surface of the conveying shaft 62, and the other end of each cleaning assembly 67 is abutted against the inner wall of the filter cartridge 64;
wherein the cleaning assembly 67 comprises:
a plurality of connecting columns 670, wherein one end of each connecting column 670 is fixedly connected with the outer surface of the conveying shaft 62;
the hanging rods 671 are arranged in a plurality and are all fixedly arranged at one end, far away from the conveying shaft 62, of the connecting column 670;
the wear-resistant layers 672 are arranged in a plurality and are respectively and fixedly arranged at one ends, close to the inner wall of the filter cylinder 64, of the hanging rods 671;
among them, wear-resistant layer 672 preferably adopts polytetrafluoroethylene material.
This embodiment can see out, through setting up the cleaning assembly, can be at the filter pump 6 during operation, the effect of clearance is played to the inner wall of cartridge filter 64, avoid leading to cartridge filter 64 to block up because of piling up by the filter, influence its filter effect, adopt the wearing layer 672 of polytetrafluoroethylene material simultaneously, not only make peg 671 have better wearability, can also provide comparatively outstanding lubricity, improve the work efficiency and the working effect who washs the assembly promptly, the interval cycle that 6 maintenances of extension filter pump, and the service life is prolonged.
Example 5:
in this embodiment, in addition to the structural features of embodiment 4, the filter pump 6 further includes:
a flushing port 68, the flushing port 68 including an upper inlet 680 and a lower outlet 681;
two sealing plugs 69, wherein the two sealing plugs 69 are respectively arranged in the upper inlet 680 and the lower outlet 681;
the upper inlet 680 is opened at a side surface of the housing 60 near the top end, and the lower outlet 681 is opened at a bottom surface of the housing 60.
In this embodiment, it can be seen that, by providing the flushing port 68, the filter cartridge 64 can be further cleaned, and the filtered object can be discharged from the filter cartridge 64, so as to effectively improve the working efficiency and working effect of the filter pump 6, and further prolong the service life of the filter pump 6.
Example 6:
in this embodiment, in addition to the structural features of embodiment 2, the method further includes:
the ultrafiltration membrane backwashing pump 11 is arranged below the ultrafiltration system 3 and is respectively communicated with the ultrafiltration system 3 and the ultrafiltration water tank 9;
and the reverse osmosis membrane backwashing pump 12 is arranged below the reverse osmosis system 4 and is respectively communicated with the reverse osmosis system 4 and the pure water tank 10.
This embodiment can be seen from, be convenient for extract the aqueous medium in the ultrafiltration pond 9 through setting up milipore filter backwash pump 11 and carry out the backwash to ultrafiltration system 3, it carries out the backwash to reverse osmosis system 4 to set up the aqueous medium in the reverse osmosis membrane backwash pump 12 is convenient for extract pure water pond 10, combine just to wash and backwash, can effectively wash ultrafiltration system 3 and reverse osmosis system 4, guarantee ultrafiltration system 3 and reverse osmosis system 4's work efficiency, and effectively prolong ultrafiltration system 3 and reverse osmosis system 4's life.
Example 7:
in this embodiment, in addition to the structural features of embodiment 6, the method further includes:
the dosing barrel 13 is arranged on one side of the sewage tank 1, which is far away from the filter pressing system 2, and a dosing pump 14 is arranged between the dosing barrel 13 and the sewage tank 1;
wherein, be equipped with first agitating unit 15 in the bucket 13 of adding medicine, be equipped with second agitating unit 16 in effluent water sump 1.
Example 8:
in this embodiment, in addition to the structural features of embodiment 7, the present invention further includes:
liquid level inductor 17, liquid level inductor 17 is a plurality of, and all includes liquid level inductor 170 and lower liquid level inductor 171 to install respectively and establish in effluent water sump 1, coarse filtration pond 8, ultrafiltration pond 9 and pure water tank 10.
In the embodiment, the liquid level sensor 17 is arranged and comprises the upper liquid level sensor 170 and the lower liquid level sensor 171, so that the sewage lifting pump 5, the filter-pressing water lifting pump 5, the ultrafiltration membrane filter pump 6 and the reverse osmosis membrane filter pump 6 can be conveniently controlled, the liquid level heights in the sewage tank 1, the rough filtration water tank 8, the ultrafiltration water tank 9 and the pure water tank 10 are reasonably controlled, and the whole recovery system is orderly operated.
Example 9:
in this embodiment, in addition to the structural features of embodiment 8, the method further includes:
the UV sterilizing lamp 18UV is arranged on the bottom surface of the pure water pool 10;
a water outlet 1966, wherein the water outlet 1966 is arranged on the side of the pure water tank 10 far away from the reverse osmosis system 4.
In this embodiment, it can be seen that a better sterilization effect can be achieved by the UV germicidal lamp 18UV in the pure water tank 10, and the water outlet 1966 facilitates the reuse of the water medium in the pure water tank 10 to the production line.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the utility model is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (5)

1. The utility model provides a filtration processing apparatus that printing and dyeing rinsing water was retrieved on line, includes effluent water sump (1), characterized by still includes:
the filter pressing system (2), the filter pressing system (2) is communicated with the sewage pool (1);
the ultrafiltration system (3), the ultrafiltration system (3) is positioned on one side of the filter pressing system (2) far away from the sewage tank (1);
the reverse osmosis system (4), the reverse osmosis system (4) is positioned on one side of the ultrafiltration system (3) far away from the filter pressing system (2);
the device comprises two lifting pumps (5), wherein the two lifting pumps (5) are respectively positioned between a sewage tank (1) and a filter pressing system (2) and between the filter pressing system (2) and an ultrafiltration system (3);
the filter device comprises two filter pumps (6), wherein the two filter pumps (6) are respectively positioned between the filter pressing system (2) and the ultrafiltration system (3) and between the ultrafiltration system (3) and the reverse osmosis system (4).
2. The filtration treatment apparatus for on-line recovery of printing and dyeing rinse water according to claim 1, further comprising:
the backflow system comprises a backflow pipe (7) and is respectively communicated with the filter pressing system (2), the ultrafiltration system (3) and the reverse osmosis system (4);
the coarse filtration water tank (8), the coarse filtration water tank (8) is positioned between the filter pressing system (2) and the ultrafiltration system (3) and is respectively communicated with the lifting pump (5) and the filtration pump (6);
the ultrafiltration water tank (9), the ultrafiltration water tank (9) is positioned between the ultrafiltration system (3) and the reverse osmosis system (4) and is respectively communicated with the ultrafiltration system (3) and the filter pump (6);
the pure water tank (10), the pure water tank (10) is communicated with one side of the reverse osmosis system (4) far away from the ultrafiltration water tank (9).
3. The filtration treatment apparatus for on-line recovery of printing and dyeing rinse water according to claim 1, wherein the filtration pump (6) comprises:
a housing (60);
the motor (61), the said motor (61) is installed and set up in the upper end of the body (60);
the conveying shaft (62) is positioned in the shell (60), extends out of the upper end face of the motor (61) and is fixedly connected with an output shaft of the motor (61);
the spiral blade (63), the said spiral blade (63) is fixed to the external surface of the transport shaft (62);
the filter cartridge (64) is arranged in the shell (60), and two ends of the filter cartridge (64) are fixedly connected with the upper end and the lower end of the shell (60);
the water inlet (65) is formed in the side face, close to the bottom end, of the shell (60), penetrates through the filter cartridge (64) and extends into the filter cartridge (64);
and the water outlet (66) is formed in the side surface, close to the top end, of the shell (60).
4. The filtration treatment apparatus for on-line recovery of printing and dyeing rinse water according to claim 3, wherein the filtration pump (6) further comprises:
the cleaning assemblies (67) are provided in number, one end of each cleaning assembly (67) is fixedly arranged on the outer surface of the conveying shaft (62), and the other end of each cleaning assembly (67) is abutted against the inner wall of the filter cylinder (64);
wherein the cleaning assembly (67) comprises:
the number of the connecting columns (670) is several, and one end of each connecting column (670) is fixedly connected with the outer surface of the conveying shaft (62);
the hanging rods (671) are arranged in a plurality of numbers and are all fixedly arranged at one end of the connecting column (670) far away from the conveying shaft (62);
wearing layer (672), wearing layer (672) are a plurality of, and fixed the establishing respectively in the one end that is close to cartridge filter (64) inner wall of a plurality of peg (671).
5. The filtration treatment apparatus for on-line recovery of printing and dyeing rinse water according to claim 4, wherein the filtration pump (6) further comprises:
a flushing port (68), the flushing port (68) including an upper inlet (680) and a lower outlet (681);
two sealing plugs (69), wherein the two sealing plugs (69) are respectively arranged in the upper inlet (680) and the lower outlet (681);
the upper inlet (680) is arranged on the side surface, close to the top end, of the shell (60), and the lower outlet (681) is arranged on the bottom surface of the shell (60).
CN202122100410.1U 2021-09-01 2021-09-01 Filtration treatment device for online recovery of printing and dyeing rinse water Active CN215627181U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122100410.1U CN215627181U (en) 2021-09-01 2021-09-01 Filtration treatment device for online recovery of printing and dyeing rinse water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122100410.1U CN215627181U (en) 2021-09-01 2021-09-01 Filtration treatment device for online recovery of printing and dyeing rinse water

Publications (1)

Publication Number Publication Date
CN215627181U true CN215627181U (en) 2022-01-25

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ID=79905671

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122100410.1U Active CN215627181U (en) 2021-09-01 2021-09-01 Filtration treatment device for online recovery of printing and dyeing rinse water

Country Status (1)

Country Link
CN (1) CN215627181U (en)

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