CN217051955U - Sewage treatment device for denitrification biological filter - Google Patents

Abstract

The utility model discloses a sewage treatment device of a denitrification biological filter. The utility model discloses a: a denitrification biological filter main body, wherein a biological filter material is fixedly arranged in the denitrification biological filter main body, a water inlet pipe is fixedly arranged on the inner wall of the bottom of the denitrification biological filter body through a pipe clamp, by utilizing the driving mechanism and the scraping component, the impurities in the sewage can be quickly and effectively filtered, the sewage carrying the impurities can be prevented from entering the denitrification biological filter main body, and the filtered impurities are conveniently discharged out of the filter box, the sewage can be fully stirred by utilizing the driving mechanism and the stirring mechanism, the contact between the sewage and the denitrifying bacteria is more uniform and comprehensive, thereby improving the effect of the denitrification treatment of the sewage, solving the problems that when the existing denitrification biological filter sewage treatment equipment is used, does not have the function of filtering and removing impurities of impurities carried in the sewage and does not have the function of stirring the sewage.

Description

Sewage treatment device for denitrification biological filter

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment device of a denitrification biological filter.

Background

Nowadays, with the rapid development of society, more and more domestic sewage and industrial sewage are produced, and because the nitrogen content in the sewage is higher, the sewage with high nitrogen content is directly discharged into rivers and lakes, which causes water eutrophication and aggravates water pollution and damages the environment, so that the sewage needs to be discharged after being treated to reduce the pollution to the environment and water quality, and in the process of treating the sewage, the sewage treatment equipment of a denitrification biological filter tank is usually used for carrying out denitrification treatment on the sewage;

however, current denitrification biological filter sewage treatment device is when using, do not have the function of filtering the edulcoration to the impurity that carries in the sewage usually, because can carry some impurity in the sewage, lead to impurity to follow sewage and directly get into denitrification biological filter sewage treatment device when inside, can influence the effect to sewage treatment, and still increased the frequency to the inside abluent of equipment, and do not have and carry out stirring function to sewage, when carrying out denitrification treatment to sewage, because sewage keeps the state of stewing in equipment inside for a long time, can lead to sewage and the inside contact of denitrifying bacteria of equipment is not even enough, and then can lead to the treatment effect to sewage not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a denitrification biological filter sewage treatment plant to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a denitrification biological filter sewage treatment device comprises: a denitrification biological filter main body, wherein a biological filter material is fixedly arranged in the denitrification biological filter main body, a water inlet pipe is fixedly arranged on the inner wall of the bottom of the denitrification biological filter main body through a pipe clamp, a plurality of spray heads are fixedly arranged on the water inlet pipe at equal intervals, a water outlet pipe positioned above the biological filter material is fixedly arranged on the right side of the denitrification biological filter main body, a filter box is fixedly arranged on the outer wall of the left side of the denitrification biological filter main body, a sewage inlet pipe is fixedly arranged at the top of the filter box, a sewage pump is fixedly arranged on the outer wall of the left side of the filter box, one end of the water inlet pipe extends out of the denitrification biological filter main body and is fixedly connected with the discharge end of the sewage pump, a water suction pipe is fixedly arranged at the suction end of the sewage pump, one end of the water suction pipe, far away from the sewage pump, extends into the filter box, a circular table type filter screen is arranged in the filter box, the bottom of sewage admission pipe extends to in the round platform type filter screen, fixed mounting has two support columns, two on the lateral wall of round platform type filter screen the bottom of support column all with the bottom inner wall sliding contact of filter box, be provided with the scraper subassembly in the filter box, the mounting hole has been seted up on the bottom inner wall of filter box, rotate through sealed bearing in the mounting hole and install the scum pipe, the both ends of scum pipe all extend to outside the mounting hole, the top of scum pipe with the bottom fixed connection of round platform type filter screen, the end cover is installed to the bottom screw thread of scum pipe, the bottom of filter box is provided with drive assembly, be provided with rabbling mechanism in the biological filter main part of nitrifying.

Further, scrape the material subassembly and include montant, two down tube and scraper blade, the top of montant with the top inner wall fixed connection of filter box, the bottom of montant extends to in the round platform type filter screen, two the equal fixed mounting of down tube is in on the montant, scraper blade fixed mounting is two the one end of montant is kept away from to the down tube, the scraper blade sets up for the slope, the scraper blade with the inner wall sliding contact of round platform type filter screen.

Further, drive assembly includes motor, initiative spur gear and driven spur gear, motor fixed mounting be in the bottom of filter box, initiative spur gear fixed mounting be in the output axle head of motor, driven spur gear fixed mounting is established on the outer wall of scum pipe, initiative spur gear with driven spur gear meshing.

Further, rabbling mechanism includes reciprocal lead screw, sliding seat, two axle beds, two pivot, two stirring leaves and drive assembly, reciprocal lead screw rotates to be installed nitrify in the biological filter main part and be located the below of biological filter material, the sliding seat threaded sleeve is established reciprocal lead screw is last, two the axle bed respectively fixed mounting be in the top and the bottom of sliding seat, two the pivot rotates respectively to be installed corresponding on the axle bed, two stirring leaves respectively fixed mounting be two the pivot is one end of keeping away from each other.

Further, a guide rod transversely arranged is fixedly installed in the nitrification biological filter main body, the movable seat is slidably sleeved on the guide rod, two baffles are fixedly installed on the guide rod, and the movable seat is located between the two baffles.

Further, drive assembly includes two transmission straight-teeth gears, two racks, drive bevel gear and driven bevel gear, two the transmission straight-teeth gear is fixed the cover respectively and is established correspondingly in the pivot, two the equal fixed mounting of rack is in nitrify biological filter main part, two the transmission straight-teeth gear respectively with corresponding the rack toothing, the fixed cover of drive bevel gear is established on the outer wall of scum pipe, drive bevel gear is located the below of filter box, the left end of reciprocal lead screw extends to outside the nitrify biological filter main part, driven bevel gear fixed mounting is in the left end of reciprocal lead screw, drive bevel gear with driven bevel gear meshes.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an utilize actuating mechanism and scrape the material subassembly, can carry out quick effectual filtration to the impurity in the sewage, can avoid sewage to carry impurity entering denitrification biological filter main part in, and the convenience is crossed outside the impurity discharge filter box that filters out, utilize actuating mechanism and rabbling mechanism to carry out intensive mixing to sewage, can make sewage more even comprehensive with the contact of denitrifying bacteria, and then can improve sewage denitrification treatment's effect, the current denitrification biological filter sewage treatment device of having solved when using, do not have the function of filtering the edulcoration to the impurity that carries in the sewage, and do not have the problem of carrying out stirring function to sewage.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic sectional front view of the embodiment of FIG. 1;

FIG. 3 is an enlarged view of a portion of the location A of FIG. 2;

fig. 4 is a partially enlarged view of a portion B in fig. 2.

Reference numerals: 1. a nitrification biological filter body; 2. biological filter materials; 3. a water inlet pipe; 4. a spray head; 5. a water outlet pipe; 6. a filter box; 7. sewage enters the pipe; 8. a sewage pump; 9. a suction pipe; 10. a round table type filter screen; 11. a support column; 12. a vertical rod; 13. a diagonal bar; 14. a squeegee; 15. a slag discharge pipe; 16. an end cap; 17. a motor; 18. a driving spur gear; 19. a driven spur gear; 20. a reciprocating screw; 21. a movable seat; 22. a shaft seat; 23. stirring blades; 24. a transmission spur gear; 25. a rack; 26. a drive bevel gear; 27. a driven bevel gear; 28. a guide bar; 29. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, in which fig. 1 is a schematic perspective view of an embodiment of the present invention; FIG. 2 is a schematic sectional front view of the embodiment shown in FIG. 1; FIG. 3 is an enlarged view of a portion of the location A of FIG. 2; FIG. 4 is a partial enlarged view of the position B in FIG. 2, and the sewage treatment device of the denitrification biological filter comprises: a denitrification biological filter body 1, wherein a biological filter material 2 is fixedly arranged in the denitrification biological filter body 1, a water inlet pipe 3 is fixedly arranged on the inner wall of the bottom of the denitrification biological filter body 1 through a pipe clamp, a plurality of spray heads 4 are fixedly arranged on the water inlet pipe 3 at equal intervals, a water outlet pipe 5 positioned above the biological filter material 2 is fixedly arranged on the right side of the denitrification biological filter body 1, a filter box 6 is fixedly arranged on the outer wall of the left side of the denitrification biological filter body 1, a sewage inlet pipe 7 is fixedly arranged on the top of the filter box 6, a sewage pump 8 is fixedly arranged on the outer wall of the left side of the filter box 6, one end of the water inlet pipe 3 extends out of the denitrification biological filter body 1 and is fixedly connected with the discharge end of the sewage pump 8, a water suction pipe 9 is fixedly arranged at the suction end of the sewage pump 8, one end of the water suction pipe 9 far away from the sewage pump 8 extends into the filter box 6, a circular table type filter screen 10 is arranged in the filter box 6, the bottom end of the sewage inlet pipe 7 extends into the circular truncated cone type filter screen 10, the outer side wall of the circular truncated cone type filter screen 10 is fixedly provided with two support columns 11, the circular truncated cone type filter screen 10 is utilized to intercept and filter impurities carried in sewage, the impurities are prevented from entering the denitrification biological filter main body 1, the circular truncated cone type filter screen 10 is supported by the two support columns 11, the stability of the circular truncated cone type filter screen 10 is improved, the bottom ends of the two support columns 11 are in sliding contact with the inner wall of the bottom of the filter box 6, a scraping component is arranged in the filter box 6, the impurities adhered to the inner wall of the circular truncated cone type filter screen 10 can be scraped by the scraping component, the impurities are prevented from being adhered to the inner wall of the circular truncated cone type filter screen 10 to block the filter holes of the circular truncated cone type filter screen 10, the inner wall of the bottom of the filter box 6 is provided with mounting holes, a slag discharge pipe 15 is rotatably arranged in the mounting holes through a sealing bearing, and two ends of the slag discharge pipe 15 extend out of the mounting holes, arrange the top of sediment pipe 15 and the bottom fixed connection of round platform type filter screen 10, the end cover 16 is installed to the bottom screw thread of sediment pipe 15, the bottom of filter box 6 is provided with drive assembly, through setting up drive assembly, can control round platform type filter screen 10 and arrange the sediment pipe 15 rotation, can improve the efficiency to the impurity filtration in the sewage, also conveniently discharge impurity from row sediment pipe 15, be provided with rabbling mechanism in the biological nitrification filter main part 1, through setting up the rabbling mechanism, can stir the sewage that gets into in the biological filter main part 1 of denitrification, accelerate the scope of flow of sewage in biological filter main part 1 of denitrification, make the contact of sewage and denitrifying bacteria more evenly comprehensive, improve the effect of sewage denitrification.

In this embodiment, scrape the material subassembly and include montant 12, two down tube 13 and scraper blade 14, the top of montant 12 and the top inner wall fixed connection of filter box 6, the bottom of montant 12 extends to in round platform type filter screen 10, two equal fixed mounting of down tube 13 are on montant 12, the one end of montant 12 is kept away from at two down tube 13 to scraper blade 14 fixed mounting, scraper blade 14 sets up for the slope, scraper blade 14 and round platform type filter screen 10's inner wall sliding contact, round platform type filter screen 10 rotation in-process, utilize scraper blade 14, can scrape the impurity of adhesion on the inner wall of round platform type filter screen 10.

In this embodiment, the driving assembly comprises a motor 17, a driving spur gear 18 and a driven spur gear 19, the motor 17 is fixedly installed at the bottom of the filter box 6, the driving spur gear 18 is fixedly installed at an output shaft end of the motor 17, the driven spur gear 19 is fixedly sleeved on the outer wall of the slag discharge pipe 15, the driving spur gear 18 is meshed with the driven spur gear 19, the driving spur gear 18 can be driven by the motor 17 to rotate, and the slag discharge pipe 15 and the circular truncated cone-shaped filter screen 10 can be controlled to rotate by meshing transmission of the driving spur gear 18 and the driven spur gear 19.

In this embodiment, the stirring mechanism includes reciprocating screw 20, movable seat 21, two shaft seats 22, two rotating shafts 29, two stirring blades 23 and a transmission assembly, reciprocating screw 20 is rotatably installed in nitrifying biological filter main body 1 and is located below biological filter material 2, movable seat 21 is threaded on reciprocating screw 20, two shaft seats 22 are respectively and fixedly installed at the top and the bottom of movable seat 21, two rotating shafts 29 are respectively and rotatably installed on corresponding shaft seats 22, two stirring blades 23 are respectively and fixedly installed at one end of two rotating shafts 29 away from each other, the rotation of reciprocating screw 20 is utilized, and the horizontal reciprocating motion of movable seat 21 can be controlled.

In this embodiment, a guide rod 28 transversely arranged is fixedly installed in the nitrifying biological filter body 1, the movable seat 21 is slidably sleeved on the guide rod 28, two baffles are fixedly installed on the guide rod 28, the movable seat 21 is located between the two baffles, the guide rod 28 is arranged to guide the moving direction of the movable seat 21, and the two baffles are arranged to limit the moving stroke of the movable seat 21.

In the embodiment, the transmission assembly comprises two transmission straight gears 24, two racks 25, a driving bevel gear 26 and a driven bevel gear 27, the two transmission straight gears 24 are respectively fixedly sleeved on corresponding rotating shafts 29, the two racks 25 are both fixedly installed in the nitrification biological filter main body 1, the two transmission straight gears 24 are respectively meshed with the corresponding racks 25, the driving bevel gear 26 is fixedly sleeved on the outer wall of the slag discharge pipe 15, the driving bevel gear 26 is positioned below the filter box 6, the left end of the reciprocating screw rod 20 extends out of the nitrification biological filter main body 1, the driven bevel gear 27 is fixedly installed at the left end of the reciprocating screw rod 20, the driving bevel gear 26 is meshed with the driven bevel gear 27, the two stirring blades 23 can be controlled to rotate by the meshing transmission of the driving bevel gear 26 and the driven bevel gear 27 and the meshing transmission of the two transmission straight gears 24 and the corresponding racks 25, further stirring the sewage.

In this embodiment, the filter box 6 is provided with a control switch, the sewage pump 8, the motor 17 and the control switch are electrically connected with an external power line through wires to form a loop, and the control switch can control the on and off of the sewage pump 8 and the motor 17 respectively.

To sum up, the utility model provides a sewage treatment device of denitrification biological filter, when working, sewage flows into the circular truncated cone type filter screen 10 in the filter box 6 through the sewage inlet pipe 7, the circular truncated cone type filter screen 10 is utilized to intercept and filter impurities carried in the sewage, so that the impurities are remained in the circular truncated cone type filter screen 10, the operation of the starting motor 17 is utilized, the meshing transmission of the driving straight gear 18 and the driven straight gear 19 is utilized, the rotation of the deslagging pipe 15 and the circular truncated cone type filter screen 10 can be controlled, the circular truncated cone type filter screen 10 can scrape the impurities adhered on the inner wall of the circular truncated cone type filter screen 10 by the scraper 14 in the rotating process, the impurities are prevented from adhering on the inner wall of the circular truncated cone type filter screen 10 to block the filter holes of the circular truncated cone type filter screen, the filtering quality and efficiency of the circular truncated cone type filter screen 10 to the impurities can be improved, and then the sewage carrying the impurities can be prevented from entering the denitrification biological filter main body 1, by starting the sewage pump 8 to work, the sewage after filtration and impurity removal can be conveyed into the nitrification biological filter main body 1, the sewage after filtration and impurity removal can be sprayed out from the plurality of spray heads 4, denitrification and nitrogen removal treatment can be carried out on the sewage, by utilizing the meshing transmission of the driving bevel gear 26 and the driven bevel gear 27, the reciprocating screw 20 can be controlled to rotate, in the rotating process of the reciprocating screw 20, the movable seat 21 can be controlled to carry out horizontal reciprocating motion, the movable seat 21 drives the two rotating shafts 29, the two driving straight gears 24 and the two stirring blades 23 to horizontally reciprocate, by utilizing the meshing transmission of the two driving straight gears 24 and the corresponding racks 25 respectively, the two stirring blades 23 can be controlled to rotate, so that the two stirring blades 23 can rotate while horizontally reciprocating, the sewage can be fully stirred, and the flowing range of the sewage in the nitrification biological filter main body 1 is accelerated, can make sewage more even comprehensive with the contact of denitrifying bacteria, and then can improve sewage denitrification's effect, filter edulcoration and stirring completion back to sewage, stop motor 17 and the operation of sewage pump 8, through unscrewing end cover 16, make the impurity of persisting in the round platform type filter screen 10 can follow row's sediment pipe 15 and discharge, arrange the sediment in-process, through starter motor 17, utilize the rotation of row's sediment pipe 15 and round platform type filter screen 10, make impurity arrange the sediment when receiving the centrifugal force of rotatory production more smoothly quick.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A denitrification biological filter sewage treatment device is characterized by comprising: denitrifying biological filter main part (1), fixed mounting has biofilter material (2) in denitrifying biological filter main part (1), there is inlet tube (3) through pipe strap fixed mounting on the bottom inner wall of denitrifying biological filter main part (1), equidistant fixed mounting has a plurality of shower nozzles (4) on inlet tube (3), the right side fixed mounting of denitrifying biological filter main part (1) has outlet pipe (5) that is located biofilter material (2) top, fixed mounting has filter box (6) on the left side outer wall of denitrifying biological filter main part (1), the top fixed mounting of filter box (6) has sewage admission pipe (7), fixed mounting has sewage pump (8) on the left side outer wall of filter box (6), the one end of inlet tube (3) extend to denitrifying biological filter main part (1) outer and with the discharge end fixed connection of sewage pump (8), the sewage treatment device is characterized in that a water suction pipe (9) is fixedly mounted at the suction end of the sewage pump (8), one end, far away from the sewage pump (8), of the water suction pipe (9) extends into the filter box (6), a circular truncated cone-shaped filter screen (10) is arranged in the filter box (6), the bottom end of the sewage inlet pipe (7) extends into the circular truncated cone-shaped filter screen (10), two support columns (11) are fixedly mounted on the outer side wall of the circular truncated cone-shaped filter screen (10), the bottom ends of the two support columns (11) are in sliding contact with the inner wall of the bottom of the filter box (6), a scraping component is arranged in the filter box (6), a mounting hole is formed in the inner wall of the bottom of the filter box (6), a slag discharge pipe (15) is rotatably mounted in the mounting hole through a sealing bearing, the two ends of the slag discharge pipe (15) extend out of the mounting hole, the top end of the slag discharge pipe (15) is fixedly connected with the bottom of the circular truncated cone-shaped filter screen (10), an end cover (16) is installed at the bottom end of the slag discharge pipe (15) in a threaded mode, a driving assembly is arranged at the bottom of the filter box (6), and a stirring mechanism is arranged on the nitrifying biological filter main body (1).

2. The denitrification biological filter sewage treatment device according to claim 1, wherein the scraping component comprises a vertical rod (12), two inclined rods (13) and a scraper (14), the top end of the vertical rod (12) is fixedly connected with the top inner wall of the filter box (6), the bottom end of the vertical rod (12) extends into the circular truncated cone-shaped filter screen (10), both the inclined rods (13) are fixedly mounted on the vertical rod (12), the scraper (14) is fixedly mounted at one end of the two inclined rods (13) far away from the vertical rod (12), the scraper (14) is arranged in an inclined manner, and the scraper (14) is in sliding contact with the inner wall of the circular truncated cone-shaped filter screen (10).

3. The denitrification biological filter sewage treatment device according to claim 1, wherein the driving assembly comprises a motor (17), a driving spur gear (18) and a driven spur gear (19), the motor (17) is fixedly arranged at the bottom of the filter box (6), the driving spur gear (18) is fixedly arranged at an output shaft end of the motor (17), the driven spur gear (19) is fixedly sleeved on the outer wall of the slag discharge pipe (15), and the driving spur gear (18) is meshed with the driven spur gear (19).

4. The denitrification biological filter sewage treatment device according to claim 1, wherein the stirring mechanism comprises a reciprocating screw rod (20), a movable seat (21), two shaft seats (22), two rotating shafts (29), two stirring blades (23) and a transmission component, the reciprocating screw rod (20) is rotatably installed in the nitrification biological filter main body (1) and is located below the biological filter material (2), the movable seat (21) is sleeved on the reciprocating screw rod (20) in a threaded manner, the two shaft seats (22) are respectively and fixedly installed at the top and the bottom of the movable seat (21), the two rotating shafts (29) are respectively and rotatably installed on the corresponding shaft seats (22), and the two stirring blades (23) are respectively and fixedly installed at one ends of the two rotating shafts (29) which are far away from each other.

5. The denitrification biological filter sewage treatment device according to claim 4, wherein a transversely arranged guide rod (28) is fixedly arranged in the nitrification biological filter main body (1), the movable seat (21) is slidably sleeved on the guide rod (28), two baffles are fixedly arranged on the guide rod (28), and the movable seat (21) is positioned between the two baffles.

6. The denitrification biological filter sewage treatment device according to claim 4, wherein the transmission component comprises two transmission straight gears (24), two racks (25), a driving bevel gear (26) and a driven bevel gear (27), the two transmission straight gears (24) are respectively fixedly sleeved on the corresponding rotating shafts (29), the two racks (25) are respectively and fixedly installed in the nitrification biological filter main body (1), the two transmission straight gears (24) are respectively engaged with the corresponding racks (25), the driving bevel gear (26) is fixedly sleeved on the outer wall of the slag discharge pipe (15), the driving bevel gear (26) is located below the filter box (6), the left end of the reciprocating screw rod (20) extends out of the nitrification biological filter main body (1), the driven bevel gear (27) is fixedly installed at the left end of the reciprocating screw rod (20), the driving bevel gear (26) is engaged with the driven bevel gear (27).

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