Anti-blocking sulfur autotrophic denitrification nitrogen removal filter

Abstract

The utility model provides an anti-blocking sulfur autotrophic denitrification nitrogen removal filter tank which comprises a filter tank body, a sewage inlet tank is arranged on the surface of one side of the filter tank body, a flushing water pipe is arranged on the surface above the sewage inlet tank, an alternate filter device is arranged on the surface above the filter tank body, and a water outlet pipe is arranged on the surface above the alternate filter device. A particle adsorption device is arranged on the surface of the other side of the filter tank body, and denitrification equipment is arranged on one side of the particle adsorption device and is used for solving the problems that in addition to nitrogen-containing compounds, a large number of large-size impurities exist in sewage, the impurities need to be filtered and cleaned and then subjected to denitrification operation, and when an existing denitrification filter tank is subjected to denitrification operation, the nitrogen removal efficiency is high. And narrow positions such as a reactor and the like are easily blocked.

Description

Technical Field

[0001] The utility model mainly relates to the field of sewage denitrification treatment, and in particular to an anti-clogging type sulfur autotrophic denitrification filter tank. Background Art

[0002] Nitrogen can cause eutrophication of the water environment, so denitrification must be carried out before nitrogen-containing wastewater is discharged into the water body. In untreated raw wastewater, nitrogen-containing compounds mainly exist in the form of organic nitrogen such as protein, urea, amine compounds, nitro compounds and amino acids.

[0003] In the invention patent application with application number CN201922319594.3, publication date 2020.10.09, and titled "A High-efficiency Nitrification / denitrification Denitrification Filter", a filter is included, wherein a water outlet is provided at the top of the filter, a water outlet trough is provided outside the water outlet, and the water outlet trough is not arranged higher than the water outlet, a water inlet is provided at the bottom of the filter, a water inlet valve is provided outside the water inlet, and a water distribution trough connected to the water inlet is provided outside the filter, and the water distribution trough is not arranged lower than the top of the filter. The device makes full use of the multi-point balanced water distribution of the baffle micro-resistance large pore water distribution filter head and the microporous water outlet filter head through the upper filter and the lower filter plates, fully combines the principles of fluid mechanics, improves the interphase mass transfer efficiency, and improves the efficiency of water distribution, water distribution, mixing, and water collection.

[0004] However, in the actual process of sewage treatment, in addition to nitrogen-containing compounds, there are also a large number of large debris in the sewage, which requires filtering and cleaning these debris before denitrification operations. The existing denitrification filter tank is prone to blockage in narrow locations such as its reactor during denitrification operations. Utility Model Content

[0005] 1. Technical problems to be solved by the utility model:

[0006] The utility model provides an anti-clogging sulfur autotrophic denitrification filter tank, which is used to solve the problem that in addition to nitrogen-containing compounds, there are a large number of large debris in sewage, which requires filtering and cleaning these debris before denitrification operations. The existing denitrification filter tank is prone to blockage in narrow locations such as its reactor during denitrification operations.

[0007] 2. Technical solution:

[0008] In order to achieve the above-mentioned purpose, the technical solution provided by the utility model is: a blockage-proof sulfur autotrophic denitrification filter tank, comprising a filter tank body, a sewage inlet tank is arranged on one side surface of the filter tank body, a flushing water pipe is arranged on the upper surface of the sewage inlet tank, a rotation filtering device is arranged on the upper surface of the filter tank body, a particle adsorption device is arranged on the other side surface of the filter tank body, and a denitrification device is arranged on one side of the particle adsorption device.

[0009] Furthermore, two of the rotation filtering devices are arranged above the filter tank body, and a closing water valve is arranged at the top of the flushing water pipe. The flushing water pipe is movably connected to one side surface of the filter tank body and is connected to the upper end of the inner surface of the filter tank body through the closing water valve.

[0010] Furthermore, the alternating filtering device includes a flip net frame, a filter screen 1 is arranged on the upper end of the flip net frame, a filter screen 2 is arranged on the lower end surface of the flip net frame, a transmission gear is arranged on the surface of one side of the flip net frame, one side of the transmission gear is meshingly connected with a transmission end, one side of the flip net frame is movably connected with a swing plate on the inner side of the filter tank body, an "L"-shaped plate is fixedly connected to the surface of the swing plate, torque springs are arranged on both sides of the swing plate on the surface of the filter tank body, and guide grooves are arranged on both sides of the "L"-shaped plate.

[0011] Furthermore, the flip screen frame and filter screens 1 and 2 on its surface form a transmission structure through a transmission gear and a transmission end, and the flip screen frame forms a flip structure on the surface of the filter pool body through the rotation of the transmission gear, one end of the torque spring fixes the surface of the filter pool body, the "L"-shaped plate and the swing plate form an elastic structure on the surface of the filter pool body through the torque spring, and the flip screen frame forms a resettable swinging structure on the surface above the filter pool body through the "L"-shaped plate.

[0012] Furthermore, the particle adsorption device includes a sewage pump, a particle filter tube is fixedly connected to one side of the sewage pump, a water suction pipe is arranged at the lower end of the particle filter tube, a tubular filter screen is arranged inside the particle filter tube, and a sealing threaded cover is arranged on one side surface of the particle filter tube.

[0013] Furthermore, the water suction pipe is arranged inside the filter tank body, the particle filter tube is movably connected inside the particle filter tube, and the water suction pipe extracts the sewage after preliminary filtration inside the filter tank body through a sewage pump.

[0014] 3. Beneficial effects:

[0015] The utility model has a reasonable design. When the sewage denitrification operation is carried out, the sewage is discharged into the filter tank body through the sewage inlet trough. At this time, one side of the filter screen two in the rotation filter device filters large pieces of debris in the sewage. The initially filtered sewage is filtered by the second rotation filter device and then transmitted to the denitrification equipment through the sewage pump in the particle adsorption device for denitrification operation. When there are more debris on the surface of one side of the filter screen two, the starting transmission end drives the transmission gear to rotate, and then drives the flip screen frame to rotate on the surface of the filter tank body, and rotates the filter screen one above it to the inside of the filter tank body. On the one hand, the clean filter screen one is used to filter the sewage, so as to avoid the situation that it takes a long time to replace the filter screen during the working process. On the other hand, it is rotated to the upper filter screen two and flushed through the flushing water pipe to flush the debris on the surface of the filter screen two to the surface of the "L"-shaped plate. Finally, the debris is discharged through the guide grooves on both sides thereof. After cleaning, it can be repeatedly rotated and replaced for use, so as to avoid the problem of clogging of the denitrification filter tank.

[0016] When the sewage that has been filtered twice is sucked into the suction pipe and the particle filter tube through the sewage pump, the fine particles in the sewage are adsorbed and filtered through the tubular filter in the particle filter tube, further avoiding the blockage of the pipes inside the denitrification equipment. The tubular filter can be quickly replaced by twisting the sealing threaded cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the utility model's alternating filtering device;

[0019] Figure 3 This is a schematic diagram of the flip screen frame of the utility model;

[0020] Figure 4 It is a three-dimensional schematic diagram of the particle adsorption device of the utility model.

[0021] Reference numerals:

[0022] 1. Filter tank body; 2. Sewage inlet tank; 3. Flushing water pipe; 4. Alternating filtration device; 401. Flipping screen frame; 402. Filter screen one; 403. Filter screen two; 404. Transmission gear; 405. Transmission end; 406. Swing plate; 407. "L" type plate; 408. Torque spring; 409. Guide trough; 5. Particle adsorption device; 501. Sewage pump; 502. Particle filter tube; 503. Suction pipe; 504. Tubular filter screen; 505. Sealing threaded cover; 6. Denitrification equipment. DETAILED DESCRIPTION

[0023] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", "provided with", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example

[0027] Refer to the attached Figure 1-4, including a filter tank body 1, a sewage inlet trough 2 is arranged on one side surface of the filter tank body 1, a flushing water pipe 3 is arranged on the upper surface of the sewage inlet trough 2, a rotation filtering device 4 is arranged on the upper surface of the filter tank body 1, a particle adsorption device 5 is arranged on the other side surface of the filter tank body 1, a denitrification device 6 is arranged on one side of the particle adsorption device 5, two rotation filtering devices 4 are arranged above the filter tank body 1, a closing water valve is arranged on the top of the flushing water pipe 3, the flushing water pipe 3 is movably connected to the surface of one side of the filter tank body 1, and is connected to the upper end of the inner surface of the filter tank body 1 through the closing water valve. The device realizes the purpose of rapid replacement and filtration of the filter screen and cleaning of the filter screen through the rotation filtering device 4.

[0028] The rotating filtering device 4 includes a flip net frame 401, a filter screen 1 402 is arranged on the upper end of the flip net frame 401, a filter screen 2 403 is arranged on the lower end surface of the flip net frame 401, a transmission gear 404 is arranged on one side of the flip net frame 401, and a transmission end 405 is meshed and connected to one side of the transmission gear 404, and a swing plate 406 is movably connected to the inner side of the filter tank body 1 on one side of the flip net frame 401, and an "L"-shaped plate 407 is fixedly connected to the surface of the swing plate 406, and torque springs 408 are arranged on both sides of the swing plate 406 on the surface of the filter tank body 1. 07. Guide grooves 409 are arranged on the surfaces of both sides, and the flip screen frame 401 and the filter screen 1 402 and the filter screen 2 403 on its surface form a transmission structure through a transmission gear 404 and a transmission end 405, and the flip screen frame 401 forms a flip structure on the surface of the filter tank body 1 through the rotation of the transmission gear 404, and one end of the torque spring 408 is fixed to the surface of the filter tank body 1, and the "L"-shaped plate 407 and the swing plate 406 form an elastic structure on the surface of the filter tank body 1 through the torque spring 408, and the flip screen frame 401 forms a resettable swinging structure on the upper surface of the filter tank body 1 through the "L"-shaped plate 407.

[0029] In this embodiment, when the sewage is denitrified, the sewage is discharged into the filter tank body 1 through the sewage inlet tank 2. At this time, the filter screen 2 403 in the rotation filter device 4 filters the large debris in the sewage. The initially filtered sewage is filtered by the second rotation filter device 4 and then transmitted to the denitrification equipment 6 through the sewage pump 501 in the particle adsorption device 5 for denitrification. When there are more debris on the surface of the filter screen 2 403, the transmission end 405 is started to drive the transmission gear 404 to rotate, thereby driving the flip screen frame 401 in the filter tank body 1. The surface of the filter 402 above it is rotated to the inside of the filter tank body 1. On the one hand, the sewage is filtered with the clean filter 402 to avoid the situation that the filter needs more time to be replaced during the working process. On the other hand, it is rotated to the upper filter 403 and flushed through the flushing water pipe 3 to flush the debris on the surface of the filter 403 to the surface of the "L"-shaped plate 407 and finally discharged through the guide grooves 409 on both sides thereof. After cleaning, it can be repeatedly rotated and replaced for use, thereby avoiding the problem of clogging of the denitrification filter tank.

[0030] In this embodiment, when it is necessary to clean filter screen 1 402 and filter screen 2 403 on the surface of the second rotating filter device 4, the closed water valve at one end of the flushing water pipe 3 can be pulled from the surface of the filter tank body 1 to the surface of the second rotating filter device 4 to complete the cleaning of filter screen 1 402 and filter screen 2 403.

[0031] The particle adsorption device 5 includes a sewage pump 501, a particle filter tube 502 is fixedly connected to one side of the sewage pump 501, a water suction pipe 503 is arranged at the lower end of the particle filter tube 502, a tubular filter screen 504 is arranged inside the particle filter tube 502, a sealing threaded cover 505 is arranged on the surface of one side of the particle filter tube 502, the water suction pipe 503 is arranged inside the filter tank body 1, the particle filter tube 502 is movably connected inside the particle filter tube 502, and the water suction pipe 503 extracts the sewage after preliminary filtration inside the filter tank body 1 through the sewage pump 501.

[0032] In this embodiment, after the sewage that has been filtered twice is sucked into the suction pipe 503 and the particle filter tube 502 through the sewage pump 501, the fine particles in the sewage are adsorbed and filtered by the tubular filter screen 504 in the particle filter tube 502, thereby further avoiding the blockage of the pipeline inside the denitrification equipment 6. The tubular filter screen 504 can be quickly replaced by twisting the sealing threaded cover 505.

[0033] It should be noted that the denitrification equipment 6 is a mature technical solution on the market, which mainly denitrifies sewage through high-performance aeration, and will not be elaborated here.

[0034] The above-described embodiments only express a certain implementation method of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the patent of the utility model shall be based on the attached claims.

Claims

1. A clogging-proof sulfur autotrophic denitrification filter, characterized in that The invention comprises a filter tank body (1), a sewage inlet tank (2) being arranged on one side surface of the filter tank body (1), a flushing water pipe (3) being arranged on the upper surface of the sewage inlet tank (2), a rotating filtering device (4) being arranged on the upper surface of the filter tank body (1), a particle adsorption device (5) being arranged on the other side surface of the filter tank body (1), and a denitrification device (6) being arranged on one side of the particle adsorption device (5).

2. The anti-clogging sulfur autotrophic denitrification filter according to claim 1, characterized in that: Two of the rotating filtering devices (4) are arranged above the filter tank body (1), and a closing water valve is arranged at the top end of the flushing water pipe (3). The flushing water pipe (3) is movably connected to a surface of one side of the filter tank body (1) and is engaged with the upper end of the inner surface of the filter tank body (1) through the closing water valve.

3. The anti-clogging sulfur autotrophic denitrification filter according to claim 1, characterized in that: The alternating filtering device (4) comprises a flipping net frame (401), a filter screen 1 (402) being arranged at the upper end of the flipping net frame (401), a filter screen 2 (403) being arranged at the lower end surface of the flipping net frame (401), a transmission gear (404) being arranged at one side surface of the flipping net frame (401), a transmission end (405) being meshingly connected at one side of the transmission gear (404), a swing plate (406) being movably connected at one side of the flipping net frame (401) to the inner side of the filter pool body (1), an "L"-shaped plate (407) being fixedly connected to the surface of the swing plate (406), torque springs (408) being arranged at both sides of the swing plate (406) on the surface of the filter pool body (1), and guide grooves (409) being arranged at both sides of the "L"-shaped plate (407).

4. The anti-clogging sulfur autotrophic denitrification filter according to claim 3, characterized in that: The flip screen frame (401) and the filter screen 1 (402) and the filter screen 2 (403) on the surface thereof form a transmission structure through a transmission gear (404) and a transmission end (405), and the flip screen frame (401) forms a flip structure on the surface of the filter pool body (1) through the rotation of the transmission gear (404), one end of the torque spring (408) is fixed to the surface of the filter pool body (1), the "L"-shaped plate (407) and the swing plate (406) form an elastic structure on the surface of the filter pool body (1) through the torque spring (408), and the flip screen frame (401) forms a resettable swing structure on the upper surface of the filter pool body (1) through the "L"-shaped plate (407).

5. The anti-clogging sulfur autotrophic denitrification filter according to claim 1, characterized in that: The particle adsorption device (5) comprises a sewage pump (501), one side of the sewage pump (501) is fixedly connected to a particle filter tube (502), the lower end of the particle filter tube (502) is provided with a water suction pipe (503), the interior of the particle filter tube (502) is provided with a tubular filter screen (504), and one side surface of the particle filter tube (502) is provided with a sealing threaded cover (505).

6. The anti-clogging sulfur autotrophic denitrification filter according to claim 5, characterized in that: The water suction pipe (503) is arranged inside the filter tank body (1), the particle filter tube (502) is movably connected inside the particle filter tube (502), and the water suction pipe (503) extracts the sewage after preliminary filtration inside the filter tank body (1) through the sewage pump (501).

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