Reactor for removing total nitrogen in sewage

Abstract

The utility model relates to the technical field of sewage treatment, and discloses a sewage total nitrogen removal reactor, which comprises a denitrification reaction tank and an anti-blocking component, the denitrification reaction tank is fixedly connected with a sewage pump through a bracket, one side of the denitrification reaction tank is fixedly connected with a filter tank, and the other side of the denitrification reaction tank is fixedly connected with a sewage pump. A filter plate and an ion exchange resin filter plate are fixedly connected to the interior of the filter box through bolts. The anti-blocking assembly comprises an impeller rotationally connected to the interior of the filter box, a circular rotating disc is arranged outside the filter box, the circular rotating disc and the impeller are coaxially and fixedly connected, a column rod is arranged outside the circular rotating disc, a rectangular strip frame is movably connected to the exterior of the column rod, and a scraping plate is arranged at the top of a filter plate. And a connecting frame is fixedly connected between the scraping plate and the rectangular strip frame. According to the utility model, the problem that the sewage filtering effect is low due to the fact that floccules adhered to the surface of the filter element are difficult to clean is effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field especially relates to a sewage total nitrogen removal reactor. BACKGROUND

[0002] Sewage total nitrogen removal refers to the process of reducing the total nitrogen (TN) content in sewage to meet the emission standard through a series of treatment processes. Sewage total nitrogen removal usually requires the use of a special reactor.

[0003] The Chinese utility model patent with publication number CN221479633U discloses a total nitrogen removal reactor. The device controls the discharge of sewage in the ion exchange tank through the liquid discharge mechanism, then injects brine into another ion exchange tank using the brine circulation mechanism, so as to regenerate the ion exchange resin filter plate filter core in the ion exchange tank by slow flushing with brine, and then injects clean water into the ion exchange tank using the water washing mechanism, so as to flush the regenerated ion exchange resin filter plate filter core, thereby ensuring the total nitrogen adsorption removal effect of the reactor. However, when the device is actually used, although it can regenerate the ion exchange resin filter plate filter core by flushing with brine and clean water, it is difficult to clean the flocculent material adhering to the surface of the filter core. The flocculent material adhering to the filter core will block the pores of the filter core, which will affect the filtration effect of the sewage. Therefore, the utility model aims to provide a sewage total nitrogen removal reactor to better meet the actual needs. SUMMARY

[0004] To solve the problem of low filtration effect of sewage due to the difficulty in cleaning the flocculent material adhering to the surface of the filter core in the background art, the utility model provides a sewage total nitrogen removal reactor.

[0005] The utility model adopts the following technical solutions:

[0006] A sewage total nitrogen removal reactor, comprising a denitrification reaction tank and a anti-blocking assembly, a sewage pump is fixedly connected to the denitrification reaction tank through a support, a filter box is fixedly connected to one side of the denitrification reaction tank, a filter plate and an ion exchange resin filter plate are fixedly connected to the inside of the filter box through bolts, a water outlet pipe is fixedly connected to the bottom of the filter box, a water suction pipe is fixedly connected to the inlet end of the sewage pump, and the outlet end of the sewage pump is connected to the filter box through a drain pipe.

[0007] The anti-blocking assembly comprises an impeller rotatably connected to the inside of the filter box, a circular turntable is arranged outside the filter box and coaxially fixedly connected between the circular turntable and the impeller, a column is arranged outside the circular turntable, a rectangular frame is movably connected to the outside of the column, a scraper is arranged on the top of the filter plate, and a connecting frame is fixedly connected between the scraper and the rectangular frame.

[0008] Further, the lower part of the filter plate is provided with a frame, the top of the frame is fixedly connected with a dredging rod corresponding to the filter hole position on the filter plate, both sides of the upper part of the filter plate are provided with a track with an inclined surface, two groups of connecting rods are fixedly connected between the track and the frame and the connecting rods are slidingly connected between the filter plate, the top of the scraper is symmetrically rotatably connected with two groups of rollers, the top of the track is symmetrically fixedly connected with two groups of vertical rods and the vertical rods are slidingly connected between the filter box, the outside of the vertical rod is sleeved with a spring and one end of the spring is fixedly connected between the top of the filter box.

[0009] Further, the impeller is directly below the water outlet of the water suction pipe.

[0010] Further, the column rod is fixedly connected at the position close to the edge outside the circular turntable.

[0011] Further, the outside of the filter box is fixedly connected with a guide and the guide is slidingly connected between the connecting frame.

[0012] Further, the diameter of the dredging rod is smaller than the diameter of the filter hole on the filter plate.

[0013] Further, the top end of the vertical rod is fixedly connected with a limiting plate and the limiting plate is fixedly connected with the other end of the spring.

[0014] Beneficial effects:

[0015] The sewage total nitrogen removal reactor has the advantages that the filter plate is arranged to filter flocculent impurities in sewage, prevents the flocculent impurities from directly adhering to the ion exchange resin filter plate, and when the sewage flows into the filter box, the flocculent impurities impact the impeller to make the impeller rotate, the rotation of the impeller drives the circular turntable to rotate, the rotation of the circular turntable drives the column rod to make a circular motion, the sliding cooperation between the column rod and the rectangular frame and the sliding cooperation between the connecting frame and the guide enable the scraper to make horizontal reciprocating movement to scrape the flocculent impurities on the top of the filter plate to prevent the flocculent impurities from accumulating, so that the filtration effect of the sewage is ensured and the practicability is high.

[0016] The sewage total nitrogen removal reactor has the advantages that the scraper moves to drive the rollers to roll on the track, when the rollers contact the inclined surface on the track, the sliding cooperation between the vertical rod and the filter box and the sliding cooperation between the connecting rod and the filter plate enable the rollers to extrude the track upwards, the upward movement of the track drives the frame to move upwards, so that the dredging rod is moved upwards to dredge the flocculent impurities in the filter hole of the filter plate, and the anti-blocking effect of the device is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1This is a three-dimensional structural diagram of the present invention;

[0018] Fig. 2 This is a longitudinal section three-dimensional structural diagram of the filter box of this utility model;

[0019] Fig. 3 This is a three-dimensional schematic diagram of the connection structure of the unblocking rod of this utility model.

[0020] The components include: 1. Denitrification reactor; 2. Sewage pump; 3. Filter box; 4. Filter plate; 5. Ion exchange resin filter plate; 101. Impeller; 102. Circular turntable; 103. Column; 104. Rectangular frame; 105. Scraper; 106. Connecting frame; 201. Frame; 202. Unblocking rod; 203. Track; 204. Connecting rod; 205. Roller; 206. Vertical rod; 207. Spring. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0022] Example 1:

[0023] Please combine Figs. 1-3 The wastewater total nitrogen removal reactor described in this embodiment includes a denitrification reaction tank 1. A wastewater pump 2 is fixedly connected to the denitrification reaction tank 1 via a bracket. A filter box 3 is fixedly connected to one side of the denitrification reaction tank 1. Filter plates 4 and ion exchange resin filter plates 5 are fixedly connected to the inside of the filter box 3 via bolts. An outlet pipe is fixedly connected to the bottom of the filter box 3. A pumping pipe is fixedly connected to the inlet end of the wastewater pump 2. The outlet end of the wastewater pump 2 is connected to the filter box 3 via a drain pipe.

[0024] An anti-clogging component is used to prevent the filter plate 4 from clogging. The anti-clogging component includes an impeller 101 rotatably connected inside the filter box 3. A circular turntable 102 is provided on the outside of the filter box 3, and the circular turntable 102 is coaxially fixedly connected to the impeller 101. A column rod 103 is provided on the outside of the circular turntable 102, and the column rod 103 is fixedly connected to the outside of the circular turntable 102 near the edge. A rectangular frame 104 is movably connected to the outside of the column rod 103. A scraper 105 is provided on the top of the filter plate 4. A connecting frame 106 is fixedly connected between the scraper 105 and the rectangular frame 104. The impeller 101 is located directly below the outlet of the water pipe, which facilitates the water flow to impact the impeller 101. A guide is fixedly connected to the outside of the filter box 3, and the guide is slidably connected to the connecting frame 106, which can guide the horizontal movement of the scraper 105.

[0025] The lower part of the filter plate 4 is provided with a frame 201, the top of the frame 201 is fixedly connected with a dredging rod 202 corresponding to the filter hole position on the filter plate 4, the upper part of the filter plate 4 is provided with a track 203 with an inclined surface on both sides, two groups of connecting rods 204 are fixedly connected between the track 203 and the frame 201 and are slidingly connected between the connecting rod 204 and the filter plate 4, the top of the scraper 105 is symmetrically rotatably connected with two groups of rollers 205, the top of the track 203 is symmetrically fixedly connected with two groups of vertical rods 206 and is slidingly connected between the vertical rod 206 and the filter box 3, the outer part of the vertical rod 206 is sleeved with a spring 207 and one end of the spring 207 is fixedly connected between the top of the filter box 3, the top end of the vertical rod 206 is fixedly connected with a limiting plate and the other end of the spring 207 is fixedly connected with the limiting plate, which can prevent the vertical rod 206 from being separated from the filter box 3.

[0026] The preliminary treated sewage in the denitrification reaction tank 1 can be delivered to the filter box 3 by the sewage pump 2, the filter plate 4 in the filter box 3 can filter the solid impurities such as flocculation in the sewage, the ion exchange resin filter plate 5 can adsorb the total nitrogen in the sewage, then the filtered sewage is discharged through the outlet pipe, and when the sewage flows into the filter box 3, it also impacts the impeller 101 to make it rotate, the rotation of the impeller 101 drives the circular turntable 102 to rotate, the rotation of the circular turntable 102 drives the column rod 103 to make a circular motion, by the movable cooperation between the column rod 103 and the rectangular strip frame 104 and the sliding cooperation between the connecting frame 106 and the guide, the scraper 105 can be driven to move horizontally and reciprocally to scrape the flocculation and other impurities on the top of the filter plate 4 to prevent the accumulation, so as to ensure the filtration effect of the sewage, at the same time, the rollers 205 also roll on the track 203 in the process of moving of the scraper 105, when the rollers 205 contact with the inclined surface on the track 203, by the sliding cooperation between the vertical rod 206 and the filter box 3 and the sliding cooperation between the connecting rod 204 and the filter plate 4, the rollers 205 can extrude the track 203 upward, the upward movement of the track 203 can drive the frame 201 to move upward, so as to drive the dredging rod 202 to move upward to dredge the flocculation and other impurities in the filter hole of the filter plate 4, further improve the anti-blocking effect of the device, at this time the spring 207 is compressed, when the rollers 205 roll away from the inclined surface, under the rebounding action of the spring 207, the dredging rod 202 is automatically reset, after long-term use of the device, the staff can open the filter box 3 to replace the filter plate 4 and the ion exchange resin filter plate 5 in the filter box 3.

[0027] Embodiment 2:

[0028] The further improvement of this embodiment based on the embodiment 1 is that the diameter of the dredging rod 202 is smaller than the diameter of the filter hole on the filter plate 4, which avoids hindering the filtration of sewage when cleaning the filter hole.

[0029] The above embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application. Any non-essential changes and substitutions made by those skilled in the art on the basis of the present application belong to the scope of protection of the present application.

Claims

1. A total nitrogen removal reactor for sewage, characterized by comprising: Include: The denitrification reaction tank (1) is fixedly connected with a sewage pump (2) through a support, one side of the denitrification reaction tank (1) is fixedly connected with a filter box (3), the inside of the filter box (3) is fixedly connected with a filter plate (4) and an ion exchange resin filter plate (5) through bolts, respectively, the bottom of the filter box (3) is fixedly communicated with a water outlet pipe, the inlet end of the sewage pump (2) is fixedly communicated with a water suction pipe, and the outlet end of the sewage pump (2) is communicated with the filter box (3) through a drain pipe; The anti-blocking assembly comprises an impeller (101) rotatably connected inside the filter box (3), a circular turntable (102) is arranged outside the filter box (3) and coaxially fixedly connected between the circular turntable (102) and the impeller (101), a column (103) is arranged outside the circular turntable (102), a rectangular strip frame (104) is movably connected outside the column (103), and a scraper (105) is arranged on the top of the filter plate (4). The scraper (105) and the rectangular strip frame (104) are fixedly connected with a connecting frame (106).

2. The total nitrogen removal reactor for sewage water according to claim 1, wherein A frame (201) is arranged below the filter plate (4), a dredging rod (202) is fixedly connected to the top of the frame (201) corresponding to the filter hole position on the filter plate (4), inclined surface tracks (203) are arranged on both sides above the filter plate (4), two groups of connecting rods (204) are fixedly connected between the tracks (203) and the frame (201), and the connecting rods (204) are slidably connected with the filter plate (4), two groups of rollers (205) are rotatably connected to the top of the scraper (105), two groups of vertical rods (206) are fixedly connected to the top of the track (203) and slidably connected between the vertical rods (206) and the filter box (3), and springs (207) are arranged outside the vertical rods (206) and fixedly connected between one end of the springs (207) and the top of the filter box (3).

3. The total nitrogen removal reactor for sewage water according to claim 1, wherein The impeller (101) is located directly below the water outlet of the water suction pipe.

4. The total nitrogen removal reactor for sewage water according to claim 1, wherein The column (103) is fixedly connected to the outside of the circular turntable (102) near the edge.

5. The total nitrogen removal reactor for sewage water according to claim 1, wherein The filter box (3) is fixedly connected with a guide outside and slidably connected between the guide and the connecting frame (106).

6. The total nitrogen removal reactor for sewage water according to claim 2, wherein The diameter of the dredging rod (202) is smaller than the diameter of the filter hole on the filter plate (4).

7. The total nitrogen removal reactor for sewage water according to claim 2, wherein The vertical rods (206) are fixedly connected with limit plates at the top ends, and the limit plates are fixedly connected with the other end of the spring (207).

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