阅读说明：本技术 一种食品废水中水回用设备 (Food waste water reuse of reclaimed water equipment ) 是由 严希海 刘木林 刘华霞 于 2021-11-11 设计创作，主要内容包括：本发明提供一种食品废水中水回用设备,属于废水处理设备技术领域,包括过滤桶、进液口、出液口和支撑腿,过滤桶上表面的中部开设有进液口,过滤桶下表面的中部开设有出液口,过滤桶下端的外壁等距固定有支撑腿,过滤桶的中部固定有隔板,隔板的顶部固定有连接环,连接环的内壁通过轴承转动连接有过滤器,本发明能够完成食品废水的预处理过滤工作,而过滤的同时能够避免小颗粒杂质附着在不锈钢滤筒的表面,从而能够延长反冲洗的间隔时间,进而有效地提高了废水处理的效率,同时在进行反冲洗时能够同时完成对过滤桶内壁以及隔板内壁的污垢的刮除工作,从而不需要单独进行污垢的刮除工作,进而进一步的提高了废水处理的效率,方便人们使用。(The invention provides a food wastewater reclaimed water recycling device, which belongs to the technical field of wastewater treatment equipment and comprises a filter vat, a liquid inlet, a liquid outlet and support legs, wherein the middle part of the upper surface of the filter vat is provided with the liquid inlet, the middle part of the lower surface of the filter vat is provided with the liquid outlet, the outer wall of the lower end of the filter vat is equidistantly fixed with the support legs, the middle part of the filter vat is fixed with a partition plate, the top part of the partition plate is fixed with a connecting ring, and the inner wall of the connecting ring is rotatably connected with a filter through a bearing. Further improving the efficiency of wastewater treatment and facilitating the use of people.)

1. The food wastewater reclaimed water recycling equipment comprises a filter barrel (1), a liquid inlet (2), a liquid outlet (3) and support legs (4), wherein the liquid inlet (2) is formed in the middle of the upper surface of the filter barrel (1), the liquid outlet (3) is formed in the middle of the lower surface of the filter barrel (1), the support legs (4) are fixed on the outer wall of the lower end of the filter barrel (1) at equal intervals, the food wastewater reclaimed water recycling equipment is characterized in that a partition plate (5) is fixed in the middle of the filter barrel (1), a connecting ring (6) is fixed at the top of the partition plate (5), a filter (7) is rotatably connected to the inner wall of the connecting ring (6) through a bearing, and a cleaning device (8) for scraping off dirt attached to the inner wall of the filter barrel (1) and the inner wall of the partition plate (5) during backwashing work is fixed at the bottom of the partition plate (5);

the cleaning device (8) comprises a turbine (86), a driving ring (87), a ratchet wheel (88), an elastic sheet (89) and a scraper (810); the turbine (86) is fixed at the bottom of the driving rod (85); the driving ring (87) is rotationally connected with the outer wall of the connecting ring (6); the ratchet wheel (88) is fixed on the outer wall of the upper end of the bottom ring (71), spring plates (89) are fixed on the top of the driving ring (87) at equal intervals, the spring plates (89) are matched with the ratchet wheel (88), a scraper (810) is fixed on one side of the outer wall of the driving ring (87), and the scraper (810) is respectively in sliding connection with the inner wall of the partition plate (5) and the inner wall of the filter barrel (1);

a sweeping device (9) for preventing small particle impurities from being attached to the surface of the filter (7) to cause the blockage of the filter (7) during the filtering work is fixed at the upper end of the filter (7);

the sweeping device (9) comprises a sweeping rod (97), bristles (98) are fixed on the outer wall of the sweeping rod (97) at equal intervals, and the bristles (98) are matched with a stainless steel filter cylinder (72) of the filter (7);

blowhole (10) have been seted up to the lower extreme equidistance of baffle (5) outer loop, the outer loop position equidistance of baffle (5) bottom is fixed with blow off pipe (11), and blow off pipe (11) are linked together with blowhole (10), the one end that blowhole (10) were kept away from in blow off pipe (11) is fixed with filter vat (1), and blow off pipe (11) run through the outside that filter vat (1) extended to filter vat (1), the one end that blowhole (10) were kept away from in blow off pipe (11) is fixed with valve (12).

2. The food wastewater recycling device according to claim 1, wherein the filter (7) comprises a bottom ring (71), a stainless steel filter cartridge (72), a top plate (73) and a reinforcing rod (74), the inner wall of the connecting ring (6) is rotatably connected with the bottom ring (71) through a bearing, the stainless steel filter cartridge (72) is fixed on the top of the bottom ring (71), the top plate (73) is fixed on the top of the stainless steel filter cartridge (72), the reinforcing rod (74) is fixed on the bottom of the top plate (73) at equal intervals, the bottom of the reinforcing rod (74) is fixed with the bottom ring (71), and one side of the reinforcing rod (74) is fixed with the inner wall of the stainless steel filter cartridge (72).

3. The food wastewater recycling device in accordance with claim 2, wherein said cleaning device (8) further comprises a fixing bar (81), a first connecting sleeve (82), a cross bar (83), a second connecting sleeve (84) and a driving rod (85); the bottom equidistance of baffle (5) is fixed with fixed strip (81), and is three be fixed with first adapter sleeve (82) between fixed strip (81), the inner wall equidistance of bottom ring (71) is fixed with horizontal pole (83), and is three be fixed with second adapter sleeve (84) between horizontal pole (83), the inner wall of first adapter sleeve (82) rotates through the bearing and is connected with actuating lever (85), the upper end of actuating lever (85) is fixed with the inner wall of second adapter sleeve (84).

4. The food wastewater reclaimed water recycling device according to claim 3, wherein a snap ring (13) is fixed to the outer wall of the connecting ring (6), an annular clamping groove (14) is formed in the inner wall of the driving ring (87), and the snap ring (13) is rotatably connected with the inner wall of the annular clamping groove (14).

5. The food wastewater reclaimed water reusing device according to claim 2, wherein the sweeping device (9) comprises a driving gear ring (91), a support plate (92), a first rotating shaft (93), a second gear (94), a second rotating shaft (95), a driven gear (96), a sweeping rod (97) and bristles (98), the driving gear ring (91) is fixed on the outer wall of the top plate (73), the support plate (92) is fixed on one side of the upper end of the inner wall of the filter barrel (1), the first rotating shaft (93) is rotatably connected to one side of the support plate (92) close to the driving gear ring (91) through a bearing, the second gear (94) is fixed on the lower end of the first rotating shaft (93), the second gear (94) is meshed with the driving gear ring (91), and the second rotating shaft (95) is rotatably connected to one side of the support plate (92) close to the first rotating shaft (93) through a bearing, a driven gear (96) is fixed at the upper end of the second rotating shaft (95), the driven gear (96) is meshed with the second gear (94), and a cleaning rod (97) is fixed at the bottom of the second rotating shaft (95).

6. The food wastewater reclaimed water reusing device according to claim 5, wherein the stabilizing sleeves (15) are symmetrically fixed on one side of the top of the supporting plate (92), and the first rotating shaft (93) and the second rotating shaft (95) are rotatably connected with the inner walls of the two stabilizing sleeves (15) through bearings respectively.

7. The food wastewater recycling device of claim 2, wherein a hydrophobic cover (16) is fixed on the top of the top plate (73), and the hydrophobic cover (16) is arranged in a conical shape.

8. The food wastewater reclaimed water recycling device according to claim 1, wherein flanges (17) are fixed on the top of the liquid inlet (2) and the bottom of the liquid outlet (3).

9. The food wastewater recycling device of claim 3, wherein the lower end of the driving rod (85) is symmetrically fixed with a rotating column (18), the outer wall of the rotating column (18) is fixed with a roller (19), and both of the rollers (19) are in rolling connection with the surface of the first connecting sleeve (82).

10. The food wastewater reclaimed water reusing device according to claim 4, wherein the cross section of the cross bar (83) is arranged in an I shape.

Technical Field

The invention relates to the technical field of wastewater treatment equipment, in particular to reclaimed water recycling equipment for food wastewater.

Background

In the processing process of a plurality of foods, a large amount of water is needed to be used, so a large amount of waste water is generated in the processing process of the foods, the content of the food industry is extremely complex, the production processes of sugar making, brewing, meat, dairy processing and the like are included, the discharged waste water mostly contains organic matters, has strong oxygen consumption, and a large amount of suspended matters are discharged along with the waste water, the waste water discharged in the processing of animal foods also contains animal excrement, blood, fur, grease and the like, and possibly contains germs, so the oxygen consumption is high, and the pollution of the waste water is much higher than that of the waste water discharged in the processing of vegetable foods, therefore, a corresponding waste water treatment device is arranged in a food processing factory, the waste water is required to be pretreated in the early stage of treatment, the pretreatment of the waste water is usually carried out the preliminary removal work of large-volume impurities through a grating machine, and then small-particle impurities in the waste water are filtered through a filtering device with larger density and smaller filtering holes, after the existing small particle impurity filtering equipment is used for a period of time, small particle impurities are easy to form aggregation and are attached to a filter element of the filtering equipment, so that the trafficability of the filter element is reduced, further frequent back washing is needed, and the efficiency of wastewater pretreatment is greatly reduced in the process of frequent back washing.

Present tiny particle impurity filtration equipment is very easy after long-term use on the inner wall of filter vat one deck dirt that adheres to, and these dirt accumulations will form the corrosive action easily to the inner wall of filter vat too much, thereby make filter equipment life reduce, and through the very trouble of manual cleaning, need shut down the device, and then dismantle the inlet tube position, thereby the dirt to its inner wall is shoveled, and the shoveling time is longer usually, thereby cause down time long, the same decline that has caused waste water treatment efficiency.

Therefore, there is a need to provide a recycling apparatus for food wastewater, which solves the above technical problems.

Disclosure of Invention

In order to solve the technical problems, the invention provides the food wastewater reclaimed water recycling device which can avoid the phenomenon that the trafficability of the stainless steel filter cylinder is reduced due to the accumulation of small-particle impurities on the outer wall of the stainless steel filter cylinder and can automatically clean dirt on the inner wall of the filter barrel.

The food wastewater reclaimed water recycling equipment comprises a filter vat, a liquid inlet, a liquid outlet and supporting legs, wherein the liquid inlet is formed in the middle of the upper surface of the filter vat, the liquid outlet is formed in the middle of the lower surface of the filter vat, the supporting legs are fixed on the outer wall of the lower end of the filter vat at equal intervals, and is characterized in that a partition plate is fixed in the middle of the filter vat, a connecting ring is fixed at the top of the partition plate, a filter is rotatably connected to the inner wall of the connecting ring through a bearing, and a cleaning device for scraping off dirt attached to the inner wall of the filter vat and the inner wall of the partition plate during backwashing is fixed at the bottom of the partition plate;

the cleaning device comprises a turbine, a driving ring, a ratchet wheel, an elastic sheet and a scraper; the turbine is fixed at the bottom of the driving rod; the outer wall of the connecting ring is rotatably connected with a driving ring, the ratchet wheel is fixed on the outer wall of the upper end of the bottom ring, elastic sheets are fixed on the top of the driving ring at equal intervals, the elastic sheets are matched with the ratchet wheel, a scraper is fixed on one side of the outer wall of the driving ring, and the scraper is respectively connected with the inner wall of the partition plate and the inner wall of the filter barrel in a sliding manner;

the upper end of the filter is fixed with a sweeping device for preventing small particle impurities from being attached to the surface of the filter to cause filter blockage during filtering work;

the sweeping device comprises a sweeping rod, wherein bristles are fixed on the outer wall of the sweeping rod at equal intervals, and the bristles are matched with a stainless steel filter cylinder of the filter;

the sewage draining hole has been seted up to the lower extreme equidistance of baffle outer loop, the outer loop position equidistance of baffle bottom is fixed with the blow off pipe, and blow off pipe and sewage draining hole intercommunication, the one end that the blow off hole was kept away from to the blow off pipe is fixed with the filter vat, and the blow off pipe runs through the outside that the filter vat extended to the filter vat, the one end that the blow off hole was kept away from to the blow off pipe is fixed with the valve.

Furthermore, the filter comprises a bottom ring, a stainless steel filter cylinder, a top plate and reinforcing rods, wherein the inner wall of the connecting ring is rotatably connected with the bottom ring through a bearing, the stainless steel filter cylinder is fixed at the top of the bottom ring, the top plate is fixed at the top of the stainless steel filter cylinder, the reinforcing rods are fixed at the bottom of the top plate at equal intervals, the bottom of each reinforcing rod is fixed with the bottom ring, and one side of each reinforcing rod is fixed with the inner wall of the stainless steel filter cylinder.

Furthermore, the cleaning device also comprises a fixed strip, a first connecting sleeve, a cross rod, a second connecting sleeve and a driving rod; the bottom equidistance of baffle is fixed with the fixed strip, and is three be fixed with first adapter sleeve between the fixed strip, the inner wall equidistance of bottom ring is fixed with the horizontal pole, and is three be fixed with the second adapter sleeve between the horizontal pole, the inner wall of first adapter sleeve rotates through the bearing and is connected with the actuating lever, the upper end of actuating lever is fixed with the inner wall of second adapter sleeve.

Furthermore, a clamping ring is fixed on the outer wall of the connecting ring, an annular clamping groove is formed in the inner wall of the driving ring, and the clamping ring is rotatably connected with the inner wall of the annular clamping groove.

Further, sweep the device and include initiative ring gear, backup pad, first pivot, second gear, second pivot, driven gear, cleaning rod and brush hair, the outer wall of top board is fixed with the initiative ring gear, one side of filter vat inner wall upper end is fixed with the backup pad, one side that the backup pad is close to the initiative ring gear is rotated through the bearing and is connected with first pivot, the lower extreme of first pivot is fixed with the second gear, the second gear is connected with initiative ring gear meshing, one side that the backup pad is close to first pivot is connected with the second pivot through the bearing rotation, the upper end of second pivot is fixed with driven gear, driven gear is connected with second gear meshing, the bottom of second pivot is fixed with the cleaning rod.

Furthermore, one side symmetry at backup pad top is fixed with the stabilizing sleeve, first pivot and second pivot are connected with the inner wall rotation of two stabilizing sleeves through the bearing respectively.

Furthermore, a hydrophobic cover is fixed on the top of the top plate and is arranged in a conical shape.

Furthermore, flanges are fixed at the top of the liquid inlet and the bottom of the liquid outlet.

Furthermore, the lower extreme symmetry of actuating lever is fixed with rotates the post, the outer wall that rotates the post is fixed with the gyro wheel, two the gyro wheel all is connected with the surface roll of first connecting sleeve.

Further, the cross section of the cross rod is arranged in an I shape.

Compared with the related art, the food wastewater reclaimed water recycling device provided by the invention has the following beneficial effects:

the invention provides a food wastewater reclaimed water recycling device which comprises the following steps:

1. according to the invention, when the cleaning device is arranged to introduce clean water into the filter barrel through the liquid outlet for backwashing, the turbine can be automatically driven to rotate through the flow energy of the waste water, so that the filter can rotate, the elastic sheet can be clamped by the ratchet wheel to drive the driving ring to rotate, and finally the scraper is driven to scrape dirt on the top of the partition plate and the inner wall of the filter barrel, namely, the dirt on the inner wall of the filter barrel can be simultaneously removed when small-particle impurities on the outer wall of the stainless steel filter barrel are removed through backwashing, the dirt on the inner wall of the filter barrel does not need to be removed independently, and manual cleaning is not needed, so that the cleaning time is saved, and the efficiency of wastewater treatment is greatly improved.

2. According to the invention, the sweeping device is arranged to drive the turbine to rotate through water flow when filtering, namely, the filter is driven to rotate, so that the bristles can be driven to rotate, and then small-particle impurities on the surface of the filter are swept through the bristles, and the phenomenon that the filter trafficability is reduced due to the fact that the small-particle impurities are accumulated on the surface of the filter when filtering is avoided, so that the time interval of backwashing of the filter is greatly prolonged, the wastewater treatment efficiency is improved to a certain extent, and meanwhile, the small-particle impurities on the surface of the filter can be swept simultaneously when backwashing is carried out, and the efficiency and the quality of backwashing are improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the position structure of the partition board of the present invention;

FIG. 3 is a schematic view of the filter construction of the present invention;

FIG. 4 is a schematic structural diagram of a cleaning apparatus according to the present invention;

FIG. 5 is a second schematic structural view of the cleaning device of the present invention;

FIG. 6 is an enlarged view taken at A in FIG. 5;

FIG. 7 is a schematic view showing the installation position of the sweeping device of the present invention;

fig. 8 is an enlarged view of fig. 7 at B.

Reference numbers in the figures: 1. a filter vat; 2. a liquid inlet; 3. a liquid outlet; 4. supporting legs; 5. a partition plate; 6. a connecting ring; 7. a filter; 71. a bottom ring; 72. a stainless steel filter cartridge; 73. a top plate; 74. a reinforcing bar; 8. a cleaning device; 81. a fixing strip; 82. a first connecting sleeve; 83. a cross bar; 84. a second connecting sleeve; 85. a drive rod; 86. a turbine; 87. a drive ring; 88. a ratchet wheel; 89. a spring plate; 810. a squeegee; 9. a sweeping device; 91. a driving gear ring; 92. a support plate; 93. a first rotating shaft; 94. a second gear; 95. a second rotating shaft; 96. a driven gear; 97. a cleaning rod; 98. brushing; 10. a sewage draining hole; 11. a blow-off pipe; 12. a valve; 13. a snap ring; 14. an annular neck; 15. a stabilizing sleeve; 16. a hydrophobic cover; 17. a flange plate; 18. rotating the column; 19. and a roller.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

In the specific implementation process, as shown in fig. 1, fig. 2, fig. 4 and fig. 7, a food wastewater reclaimed water recycling device comprises a filter vat 1, a liquid inlet 2, a liquid outlet 3 and support legs 4, wherein the liquid inlet 2 is arranged in the middle of the upper surface of the filter vat 1, the liquid outlet 3 is arranged in the middle of the lower surface of the filter vat 1, the support legs 4 are fixed on the outer wall of the lower end of the filter vat 1 at equal intervals, a partition plate 5 is fixed on the middle of the filter vat 1, a connecting ring 6 is fixed on the top of the partition plate 5, the inner wall of the connecting ring 6 is rotatably connected with a filter 7 through a bearing, a cleaning device 8 for scraping off dirt attached to the inner wall of the filter vat 1 and the inner wall of the partition plate 5 during backwashing work is fixed at the bottom of the partition plate 5, a sweeping device 9 for preventing small particle impurities from attaching to the surface of the filter 7 to block the filter 7 during filtering work is fixed at the upper end of the filter 7, blowoff hole 10 has been seted up to the lower extreme equidistance of 5 outer loops of baffle, the outer loop position equidistance of 5 bottoms of baffle is fixed with blow off pipe 11, and blow off pipe 11 is linked together with blowoff hole 10, the one end that blowoff hole 10 was kept away from to blow off pipe 11 is fixed with filter vat 1, and blow off pipe 11 runs through the outside that filter vat 1 extended to filter vat 1, the one end that blowoff hole 10 was kept away from to blow off pipe 11 is fixed with valve 12.

Referring to fig. 3, the filter 7 includes a bottom ring 71, a stainless steel filter cartridge 72, a top plate 73, and a reinforcing rod 74, the bottom ring 71 is rotatably connected to the inner wall of the connecting ring 6 through a bearing, the stainless steel filter cartridge 72 is fixed to the top of the bottom ring 71, the top plate 73 is fixed to the top of the stainless steel filter cartridge 72, the reinforcing rods 74 are fixed to the bottom of the top plate 73 at equal intervals, the bottom of the reinforcing rods 74 is fixed to the bottom ring 71, and one side of the reinforcing rods 74 is fixed to the inner wall of the stainless steel filter cartridge 72.

It should be noted that, during filtering, the stainless steel filter cartridge 72 filters small-particle impurities outside the stainless steel filter cartridge 72, and water passes through the stainless steel filter cartridge 72 through the holes on the stainless steel filter cartridge 72, so as to complete the filtering operation, and during filtering, the pressure of the water flow presses on the stainless steel filter cartridge 72, and the pressure-bearing capacity of the stainless steel filter cartridge 72 can be effectively improved through the arranged reinforcing rod 74, so that the service life of the stainless steel filter cartridge 72 is greatly prolonged.

Referring to fig. 3, 4, 5 and 6, the cleaning device 8 includes a fixing strip 81, a first connecting sleeve 82, a cross bar 83, a second connecting sleeve 84, a driving rod 85, a worm gear 86, a driving ring 87, a ratchet 88, a spring sheet 89 and a scraper 810, the fixing strip 81 is fixed at the bottom of the partition board 5 at equal intervals, the first connecting sleeve 82 is fixed between the three fixing strips 81, the cross bar 83 is fixed at the inner wall of the bottom ring 71 at equal intervals, the second connecting sleeve 84 is fixed between the three cross bars 83, the driving rod 85 is rotatably connected to the inner wall of the first connecting sleeve 82 through a bearing, the upper end of the driving rod 85 is fixed to the inner wall of the second connecting sleeve 84, the worm gear 86 is fixed to the bottom of the driving rod 85, the driving ring 87 is rotatably connected to the outer wall of the connecting ring 6, the ratchet 88 is fixed to the outer wall of the upper end of the bottom ring 71, the spring sheet 89 is fixed to the top of the driving ring 87 at equal intervals, the elastic sheet 89 is matched with the ratchet wheel 88, one side of the outer wall of the driving ring 87 is fixed with a scraper 810, and the scraper 810 is respectively connected with the inner wall of the partition plate 5 and the inner wall of the filter barrel 1 in a sliding manner.

It should be noted that, through the cleaning device 8, the dirt on the inner walls of the filter vat 1 and the partition plate 5 can be scraped off while the backwashing work is performed to remove the small-particle impurities on the outer wall of the stainless steel filter drum 72, so that the manual cleaning is avoided, and the dirt on the inner walls of the filter vat 1 and the partition plate 5 does not need to be cleaned separately, and can be performed simultaneously with the backwashing work, so that the time for cleaning the dirt is greatly reduced, and the efficiency of wastewater treatment is greatly improved.

Referring to fig. 6, a snap ring 13 is fixed on the outer wall of the connecting ring 6, an annular groove 14 is formed in the inner wall of the driving ring 87, and the snap ring 13 is rotatably connected with the inner wall of the annular groove 14, so that the rotation of the driving ring 87 and the connecting ring 6 is more stable.

Referring to fig. 5, 7 and 8, the sweeping device 9 includes a driving gear ring 91, a support plate 92, a first rotating shaft 93, a second gear 94, a second rotating shaft 95, a driven gear 96, a sweeping rod 97 and bristles 98, the driving gear ring 91 is fixed on the outer wall of the top plate 73, the support plate 92 is fixed on one side of the upper end of the inner wall of the filter barrel 1, the first rotating shaft 93 is rotatably connected to one side of the support plate 92 close to the driving gear ring 91 through a bearing, the second gear 94 is fixed on the lower end of the first rotating shaft 93, the second gear 94 is in meshing connection with the driving gear ring 91, the second rotating shaft 95 is rotatably connected to one side of the support plate 92 close to the first rotating shaft 93 through a bearing, the driven gear 96 is fixed on the upper end of the second rotating shaft 95, the driven gear 96 is in meshing connection with the second gear 94, the sweeping rod 97 is fixed on the bottom of the second rotating shaft 95, bristles 98 are fixed on the outer wall of the sweeping rod 97 at equal intervals, and the bristles 98 are matched with the stainless steel filter cartridge 72.

It should be noted that the sweeping device 9 can drive the brush bristles 98 to rotate to brush the outer wall of the filter 7 while performing sewage treatment, so as to prevent a large amount of small-particle impurities from attaching to the surface of the filter 7 during filtering, further effectively prolong the backwashing interval, and improve the efficiency of wastewater treatment to a certain extent.

Referring to fig. 5, stabilizing sleeves 15 are symmetrically fixed on one side of the top of the supporting plate 92, and the first rotating shaft 93 and the second rotating shaft 95 are rotatably connected with the inner walls of the two stabilizing sleeves 15 through bearings, so that the connection stability of the first rotating shaft 93 and the supporting plate 92 and the connection stability of the second rotating shaft 95 and the supporting plate 92 can be improved.

Referring to fig. 2, the top of top plate 73 is fixed with hydrophobic cover 16, hydrophobic cover 16 is the toper setting, and when carrying out the waste water treatment work, waste water lets in filter vat 1 through inlet 2 in, rivers can directly strike the surface at top plate 73 to cause certain impact force to whole filter 7, and can carry out certain water conservancy diversion effect to rivers through the hydrophobic cover 16 that sets up, avoid rivers direct impact at the top of top plate 73, thereby can improve filter 7's life effectively.

Referring to fig. 1, flanges 17 are fixed to the top of the liquid inlet 2 and the bottom of the liquid outlet 3, so that the water pipe can be connected to the liquid inlet 2 and the liquid outlet 3.

Referring to fig. 4, the rotating column 18 is symmetrically fixed at the lower end of the driving rod 85, the rollers 19 are fixed on the outer wall of the rotating column 18, both of the rollers 19 are in rolling connection with the surface of the first connecting sleeve 82, when the backwashing operation is performed, water flow impacts the turbine 86 from the bottom, so that an upward acting force is applied to the driving rod 85, the driving rod 85 is in rotating connection with the first connecting sleeve 82 through the bearing, the connecting ring 6 is in rotating connection with the bottom ring 71 through the bearing, the axial pressure bearing capacity of the bearing is not strong, and the acting force of the water flow can be transmitted to the first connecting sleeve 82 through the rollers 19, so that the service life of the bearing can be effectively prolonged.

Referring to fig. 3, the cross section of the cross bar 83 is i-shaped, so that the weight of the cross bar 83 can be reduced, and the strength of the cross bar 83 can be ensured.

The working principle is as follows: when the device is used, the water outlet end of the wastewater conveying equipment is connected with the liquid inlet 2, the wastewater conveying pipeline is connected with the liquid outlet 3, wastewater enters the inside of the filter barrel 1 through the liquid inlet 2, water flow enters the inside of the stainless steel filter barrel 72 through the holes on the surface of the stainless steel filter barrel 72, small particle impurities are blocked on the outer wall of the stainless steel filter barrel 72, the water flow passes through the stainless steel filter barrel 72 and then enters the lower part of the filter barrel 1 through the partition plate 5, the turbine 86 is rotated under the action force of the water flow, the driving rod 85 is driven to rotate, the second connecting sleeve 84 is driven to rotate, the filter 7 is driven to rotate, the driving gear ring 91 is driven to rotate, the second gear 94 is driven to rotate, the second rotating shaft 95 is driven to rotate, the bristles 98 are driven to rotate, and the small particle impurities on the surface of the stainless steel filter barrel 72 are brushed by the bristles 98, through the arrangement of the second gear 94, the rotation directions of the driving gear ring 91 and the driven gear 96 are the same, so that the rotation directions of the stainless steel filter cylinder 72 and the bristles 98 are the same, further the bristles 98 can be more strongly attached to the surface of the stainless steel filter cylinder 72 to brush small particle impurities, at the moment, although the ratchet wheel 88 is driven by the filter 7 to rotate simultaneously, the direction for driving the ratchet wheel 88 to rotate when water flows in from the top is the same as the direction of the narrow end of the elastic sheet 89, namely the ratchet wheel 88 cannot be clamped with the elastic sheet 89, so that the scraper 810 cannot rotate;

when the backwashing operation is carried out, purified water is introduced through the end of the liquid outlet 3, the purified water drives the turbine 86 to rotate reversely, so as to drive the driving rod 85 to rotate, so that the bristles 98 finally rotate reversely, the bristles 98 rotate to brush the surface of the filter 7 again, the purified water is continuously introduced, and finally reaches the outer side of the filter 7 from the inside of the filter 7 through the filter 7, so as to carry out the backwashing operation on the filter 7, the backwashing quality and efficiency can be greatly improved by matching with the bristles 98, and because the filter 7 rotates reversely, the ratchet wheel 88 is driven to rotate, the rotation direction of the ratchet wheel 88 is opposite to the narrow end of the elastic sheet 89, so that the ratchet wheel 88 is clamped with the elastic sheet 89, the driving ring 87 is driven to rotate, the scraper 810 is driven to rotate along the inner wall of the filter barrel 1, and the dirt attached to the inner wall of the partition plate 5 is scraped through the scraper 810, the scraped dirt falls on the partition plate 5 and then is scraped into the sewage discharge hole 10 and flows out of the sewage discharge pipe 11 along with water flow, so that the backwashing work and the dirt removing work of the inner wall of the filter barrel 1 and the inner wall of the partition plate 5 are completed.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.