Denitrification biological nitrogen removal filter tank

Abstract

The utility model relates to the technical field of sewage treatment, and discloses a denitrification biological nitrogen removal filter tank which comprises a base, a filter tank, a denitrification biological filter tank and a collecting cylinder, and a filter mechanism is arranged in the filter tank; the filtering mechanism comprises a filtering cylinder arranged in the filtering tank, a rotating ring is fixedly arranged at the bottom of the filtering cylinder, and the bottom of the rotating ring rotationally penetrates through the filtering tank and is fixedly sleeved with a gear ring. A motor is started to rotate a rotating rod, the rotating rod can drive a gear to rotate under the transmission action of a first bevel gear transmission assembly, the gear rotates to drive a gear ring to rotate, the gear ring drives a filter cartridge to rotate in a filter tank through a rotating ring, and a limiting ring on the filter cartridge rotates in a limiting groove to improve the stability of the filter cartridge during rotation; when the filter cartridge rotates, sewage can be subjected to solid-liquid separation under the action of centrifugal force, so that the sewage is effectively prevented from carrying impurities to enter the denitrification biofilter, and the denitrification treatment effect of the denitrification biofilter on the sewage is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, concretely is a kind of denitrification biological nitrogen removal filter. BACKGROUND

[0002] Biological membrane method sewage treatment technology has been widely researched and applied, especially denitrification nitrogen removal biological filter has very good denitrification effect on sewage.

[0003] The existing denitrification biological nitrogen removal filter usually does not have the function of filtering impurities in sewage when in use, because sewage can carry some impurities, which causes impurities to directly enter the denitrification biological nitrogen removal filter along with sewage, affecting the effect of sewage treatment, and when the denitrification biological nitrogen removal filter is used for denitrification treatment of sewage, the sewage remains stationary in the denitrification biological nitrogen removal filter for a long time, which causes the sewage and the denitrifying bacteria in the denitrification biological nitrogen removal filter to not fully contact, thereby affecting the denitrification effect of the sewage, so there is a need to provide a denitrification biological nitrogen removal filter. SUMMARY

[0004] The utility model discloses a kind of denitrification biological nitrogen removal filters to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of denitrification biological nitrogen removal filter, including base, filter tank, denitrification biological filter and collection cylinder, the filter tank is provided with filter mechanism in;The filter mechanism includes the filter cylinder being arranged in filter tank, the bottom of the filter cylinder is fixedly arranged with rotating ring, the bottom of the rotating ring is rotatably penetrated through filter tank and is fixedly sleeved with gear ring, the base is fixedly arranged with motor, the output shaft of the motor is fixedly arranged with rotating rod, the base is rotatably arranged with rotating rod, first bevel gear transmission assembly is arranged in drive between the rotating rod and rotating rod, the rotating rod is fixedly arranged with gear ring meshing connection on;Rotating rod is rotatably arranged in the filter cylinder, the bottom of the rotating rod is rotatably penetrated through filter tank and collection cylinder and is arranged in drive between rotating rod with second bevel gear transmission assembly, the surface of the rotating rod in filter cylinder is fixedly sleeved with fixed ring, the fixed ring is fixedly arranged with scraping rod, the surface of the rotating rod in collection cylinder is fixedly sleezed with mounting ring, and the mounting ring is fixedly arranged with scraper.

[0006] Preferably, the filter tank is fixedly provided with a flow guide hopper, a limiting groove is formed in the bottom of the flow guide hopper, a limiting ring is fixedly arranged on the filter cylinder, and the limiting ring is rotatably connected with the limiting groove.

[0007] Preferably, the base is fixedly provided with a fixed seat for supporting the rotating rod, and the rotating rod is rotatably connected with the fixed seat.

[0008] Preferably, the bottom of the filter cartridge is provided with a discharge pipe, and an electromagnetic valve is arranged in the discharge pipe.

[0009] Preferably, a water inlet is arranged on the filter tank, a sewage discharge pipe is arranged on the collecting cylinder in communication, support legs are fixedly arranged between the filter tank and the base, and support columns are fixedly arranged between the collecting cylinder and the base.

[0010] Preferably, the denitrification biological filter is provided with a drain pipe at one end, biological filter material is arranged in the denitrification biological filter, a plurality of connecting pipes are fixedly arranged in the denitrification biological filter below the biological filter material, and a plurality of spray heads are arranged on the connecting pipes in communication.

[0011] Preferably, one end of the connecting pipe penetrates the denitrification biological filter and is provided with a shunt pipe in communication, a water pump is fixedly arranged on the base, the water inlet pipe of the water pump is in communication with the filter tank, and the water outlet pipe of the water pump is in communication with the shunt pipe.

[0012] Compared with the prior art, the denitrification biological filter has the following beneficial effects:

[0013] 1) The denitrification biological nitrogen removal filter, by starting the motor to rotate the rotating rod, under the transmission of the first bevel gear transmission assembly, the rotating rod can drive the gear to rotate, the gear rotation drives the gear ring to rotate, the gear ring drives the filter cartridge to rotate in the filter tank through the rotating ring, the limiting ring on the filter cartridge rotates in the limiting groove to improve the stability of the filter cartridge during rotation, and under the action of centrifugal force, the sewage can be separated from the solid when the filter cartridge rotates, effectively preventing the sewage from carrying impurities into the denitrification biological filter and improving the denitrification treatment effect of the denitrification biological filter on the sewage.

[0014] 2) The denitrification biological nitrogen removal filter, by rotating the rotating rod to drive the rotating rod to rotate, since the rotating direction of the rotating rod and the filter cartridge is opposite, the scraper on the rotating rod can scrape off the impurities adhered to the inner wall of the filter cartridge when rotating, preventing the filter holes of the filter cartridge from being blocked by impurities when the sewage is subjected to solid-liquid separation, improving the filtration effect of the sewage, and the rotating rod can also drive the scraper in the collecting cylinder to rotate when rotating, the scraper can scrape the impurities in the collecting cylinder to the sewage discharge pipe and discharge, preventing the impurities from remaining in the collecting cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective structural schematic view of the denitrification biological nitrogen removal filter in the embodiments of the present utility model;

[0016] Figure 2 It is a sectional view structural schematic view of the filter tank and the denitrification biological filter in the embodiments of the present utility model;

[0017] Figure 3 It is a cross-section structure schematic view of the filter tank and the collecting cylinder in the embodiment of the utility model;

[0018] Figure 4 It is a cross-section structure schematic view of the filter cylinder in the embodiment of the utility model.

[0019] In the drawing: 1, base; 2, filter tank; 3, denitrification biological filter; 4, collecting cylinder; 5, filtering mechanism; 501, filter cylinder; 502, flow guide hopper; 503, limiting groove; 504, limiting ring; 505, rotating ring; 506, gear ring; 507, motor; 508, rotating rod; 509, fixed seat; 510, rotating rod; 511, gear; 512, first bevel gear transmission assembly; 513, rotating rod; 514, second bevel gear transmission assembly; 515, fixed ring; 516, scraping rod; 517, mounting ring; 518, scraper; 519, blanking pipe; 520, electromagnetic valve; 6, water inlet; 7, blow-off pipe; 8, biological filter material; 9, connecting pipe; 10, spray head; 11, shunt pipe; 12, water pump; 13, drain pipe; 14, support column; 15, support leg. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model. EMBODIMENT

[0021] In conjunction with Figures 1-4 A denitrification biological denitrification filter, including base 1, filter tank 2, denitrification biological filter 3 and collecting cylinder 4, be provided with water inlet 6 on filter tank 2, be provided with blow-off pipe 7 in communication on collecting cylinder 4, be fixedly provided with support leg 15 between filter tank 2 and base 1, be fixedly provided with support column 14 between collecting cylinder 4 and base 1, be provided with drain pipe 13 in communication on one end of denitrification biological filter 3, be provided with biological filter material 8 in denitrification biological filter 3, be fixedly provided with multiple connecting pipes 9 in denitrification biological filter 3 below biological filter material 8, be provided with multiple spray heads 10 in communication on connecting pipe 9, one end of connecting pipe 9 penetrates denitrification biological filter 3 and is provided with shunt pipe 11 in communication, be fixedly provided with water pump 12 on base 1, the water inlet of water pump 12 is in communication with filter tank 2, the water outlet of water pump 12 is in communication with shunt pipe 11, be provided with filtering mechanism 5 in filter tank 2.

[0022] Refer to Figure 2 And Figure 3, further get, filter mechanism 5 includes the filter cartridge 501 arranged in the filter tank 2, the bottom of the filter cartridge 501 is fixedly provided with a rotating ring 505, the bottom of the rotating ring 505 is rotatably penetrated through the filter tank 2 and is fixedly sleeved with a gear ring 506, the base 1 is fixedly provided with a motor 507, the output shaft of the motor 507 is fixedly provided with a rotating rod 508, the base 1 is rotatably provided with a rotating rod 510, the rotating rod 508 and the rotating rod 510 are drivingly provided with a first bevel gear transmission assembly 512, the rotating rod 510 is fixedly provided with a gear 511 which is meshingly connected with the gear ring 506; the filter tank 2 is fixedly provided with a flow guide hopper 502, the bottom of the flow guide hopper 502 is provided with a limiting groove 503, the filter cartridge 501 is fixedly provided with a limiting ring 504, the limiting ring 504 is rotatably connected with the limiting groove 503, the base 1 is fixedly provided with a fixed seat 509 for supporting the rotating rod 508, and the rotating rod 508 is rotatably connected with the fixed seat 509.

[0023] Specifically, the rotating rod 508 is rotated by starting the motor 507, the rotating rod 510 can drive the gear 511 to rotate under the transmission action of the first bevel gear transmission assembly 512, the gear 511 drives the gear ring 506 to rotate, the gear ring 506 drives the filter cartridge 501 to rotate in the filter tank 2 through the rotating ring 505, the limiting ring 504 on the filter cartridge 501 rotates in the limiting groove 503 to improve the stability of the filter cartridge 501 when rotating, and the sewage can be separated from the solid under the action of centrifugal force when the filter cartridge 501 rotates, effectively preventing the sewage from carrying impurities into the denitrification biological filter 3 and improving the denitrification treatment effect of the denitrification biological filter 3 on the sewage.

[0024] Referring to Figure 4 , further get, the filter cartridge 501 is rotatably provided with a rotating rod 513, the bottom of the rotating rod 513 is rotatably penetrated through the filter cartridge 501 and the collecting cylinder 4 and is drivingly provided with a second bevel gear transmission assembly 514 between the rotating rod 508, the surface of the rotating rod 513 in the filter cartridge 501 is fixedly sleeved with a fixed ring 515, the fixed ring 515 is fixedly provided with a scraping rod 516, the surface of the rotating rod 513 in the collecting cylinder 4 is fixedly sleeved with a mounting ring 517, the mounting ring 517 is fixedly provided with a scraper 518, the bottom of the filter cartridge 501 is communicatively provided with a discharge pipe 519, the discharge pipe 519 is provided with a solenoid valve 520, and the discharge pipe 519 is located above the collecting cylinder 4.

[0025] Specifically, the rotating rod 508 can drive the rotating rod 513 to rotate when rotating. Since the rotating direction of the rotating rod 513 is opposite to that of the filter cylinder 501, the scraper 516 on the rotating rod 513 can scrape off the impurities attached to the inner wall of the filter cylinder 501 when rotating, preventing the impurities from blocking the filter holes of the filter cylinder 501 when the sewage is subjected to solid-liquid separation, improving the filtration effect of the sewage, and simultaneously driving the scraper 518 in the collecting cylinder 4 to rotate when the rotating rod 513 rotates. The scraper 518 can scrape the impurities in the collecting cylinder 4 to the sewage discharge pipe 7 and discharge them, preventing the impurities from remaining in the collecting cylinder 4.

[0026] In actual operation, the sewage enters the filter tank 2 through the water inlet 6, and flows into the filter cylinder 501 under the guidance of the flow guide 502. The rotating rod 508 is driven to rotate by starting the motor 507, and the rotating rod 510 can drive the gear 511 to rotate under the transmission of the first bevel gear transmission assembly 512. The gear 511 drives the gear ring 506 to rotate, and the filter cylinder 501 is driven to rotate in the filter tank 2 through the rotating ring 505 and the filter cylinder 501. The limiting ring 504 on the filter cylinder 501 rotates in the limiting groove 503 to improve the stability of the filter cylinder 501 when rotating. The sewage can be subjected to solid-liquid separation under the action of centrifugal force when the filter cylinder 501 rotates, so that the impurities in the sewage can be intercepted in the filter cylinder 501. The filtered sewage is thrown into the space between the filter tank 2 and the filter cylinder 501 through the filter holes of the filter cylinder 501. The filtered sewage is pumped into the shunt pipe 11 by starting the water pump 12, and flows into the plurality of connecting pipes 9 after shunting and is sprayed out through the plurality of spray heads 10 on the connecting pipes 9. The biological filter material 8 in the denitrifying biological filter 3 can perform denitrification and nitrogen removal treatment on the sewage, and the treated water is discharged by opening the valve of the drain pipe 13.

[0027] The rotating rod 508 drives the rotating rod 513 to rotate through the transmission of the second bevel gear transmission assembly 514 when rotating. Since the rotating direction of the rotating rod 513 is opposite to that of the filter cylinder 501, the scraper 516 on the rotating rod 513 can scrape off the impurities attached to the inner wall of the filter cylinder 501 when rotating, preventing the impurities from blocking the filter holes of the filter cylinder 501 when the sewage is subjected to solid-liquid separation, improving the filtration effect of the sewage. After the sewage is filtered, the impurities in the filter cylinder 501 are discharged into the collecting cylinder 4 by opening the electromagnetic valve 520 and being scraped by the scraper 516 through the discharging pipe 519. The scraper 518 in the collecting cylinder 4 can be driven to rotate when the rotating rod 513 rotates. The scraper 518 can scrape the impurities in the collecting cylinder 4 to the sewage discharge pipe 7 and discharge them.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and varied in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A denitrifying biological denitrification filter tank comprising a base (1), a filter tank (2), a denitrifying biological filter tank (3) and a collecting cylinder (4), characterized in that: The filter tank (2) is provided with a filtering mechanism (5); The filtering mechanism (5) comprises a filter cylinder (501) arranged in the filter tank (2), the bottom of the filter cylinder (501) is fixedly provided with a rotating ring (505), the bottom of the rotating ring (505) is rotatably penetrated through the filter tank (2) and fixedly sleeved with a gear ring (506), the base (1) is fixedly provided with a motor (507), the output shaft of the motor (507) is fixedly provided with a rotating rod (508), the base (1) is rotatably provided with a rotating rod (510), the rotating rod (508) and the rotating rod (510) are transmissionally provided with a first bevel gear transmission assembly (512), the rotating rod (510) is fixedly provided with a gear (511) which is meshingly connected with the gear ring (506). The filter cylinder (501) is rotatably provided with a rotating rod (513), the bottom of the rotating rod (513) is rotatably penetrated through the filter cylinder (501) and the collecting cylinder (4) and transmissionally provided with a second bevel gear transmission assembly (514) between the rotating rod (508), the surface of the rotating rod (513) in the filter cylinder (501) is fixedly sleeved with a fixed ring (515), the fixed ring (515) is fixedly provided with a scraping rod (516), the surface of the rotating rod (513) in the collecting cylinder (4) is fixedly sleeved with a mounting ring (517), the mounting ring (517) is fixedly provided with a scraping plate (518).

2. The denitrifying biological nitrogen removal filter according to claim 1, characterized in that: The filter tank (2) is fixedly provided with a flow guide hopper (502), the bottom of the flow guide hopper (502) is provided with a limiting groove (503), the filter cylinder (501) is fixedly provided with a limiting ring (504), and the limiting ring (504) is rotatably connected with the limiting groove (503).

3. The denitrifying biological de-nitrification filter according to claim 2, characterized in that: The base (1) is fixedly provided with a fixing seat (509) for supporting the rotating rod (508), and the rotating rod (508) is rotatably connected with the fixing seat (509).

4. The denitrifying biological de-nitrification filter according to claim 3, characterized in that: The bottom of the filter cylinder (501) is communicationally provided with a discharging pipe (519), the discharging pipe (519) is provided with an electromagnetic valve (520), and the discharging pipe (519) is located above the collecting cylinder (4).

5. The denitrifying biological nitrogen removal filter according to claim 1, characterized in that: The filter tank (2) is provided with a water inlet (6), the collecting cylinder (4) is communicationally provided with a sewage pipe (7), the filter tank (2) and the base (1) are fixedly provided with supporting legs (15), and the collecting cylinder (4) and the base (1) are fixedly provided with supporting columns (14).

6. The denitrifying biological de-nitrification filter according to claim 1, characterized in that: One end of the denitrification biological filter (3) is communicationally provided with a drain pipe (13), the denitrification biological filter (3) is provided with biological filter material (8), the denitrification biological filter (3) is fixedly provided with a plurality of connecting pipes (9) located below the biological filter material (8), and the connecting pipes (9) are communicationally provided with a plurality of spray heads (10).

7. The denitrifying biological de-nitrification filter according to claim 6, characterized in that: One end of the connecting pipe (9) penetrates the denitrification biofilter (3) and is communicated with the shunt pipe (11), a water pump (12) is fixedly arranged on the base (1), the water inlet pipe of the water pump (12) is communicated with the filter tank (2), and the water outlet pipe of the water pump (12) is communicated with the shunt pipe (11).

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