Denitrification deep-bed filter tank treatment device

Abstract

The utility model discloses a denitrification deep bed filter treatment device which comprises a filter body, a water inlet pipe, a water outlet pipe, a filler layer, a gravel layer and a quartz layer, partition plates are uniformly and fixedly connected in the filter body, through holes are uniformly formed in the upper side and the lower side of each partition plate, a dirt scattering channel is formed in each partition plate, and a water collecting pipe is arranged on one side of the filter body. The bottom side in the filter tank body is fixedly connected with a fixing plate, the fixing plate is provided with a groove, a first baffle is fixedly connected in the groove, the bottom end of the first baffle is fixedly connected with a driving motor, and the output end of the driving motor is fixedly connected with a second baffle; according to the utility model, the spacing plates are arranged among the filler layer, the gravel layer and the quartz layer, the through holes are formed in the spacing plates, then the sewage discharge channels are arranged in the spacing plates, and the impurities of the filter material are treated through the water collecting pipe, the water distributing pipe and the nozzles, so that the layering of the filter material can be ensured, and the treatment efficiency of the impurities and sludge is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of denitrification deep bed filter, in particular to a denitrification deep bed filter processing device. Background Art

[0002] The denitrification deep bed filter treatment device is a deep bed filter with fixed biofilm reaction function. It is usually composed of a filter layer, an uneven device and an inlet and outlet water system. The wastewater is passed into the filter layer and nitrate is converted into nitrogen gas. The suspended solids, chemical phosphorus removal, total phosphorus and other pollutants in the wastewater are then filtered through the filter layer. Biological denitrification and total nitrogen removal are achieved at the same time. At the same time, the sludge will fall onto the filter layer and be treated by a backwashing system.

[0003] According to the "New Denitrification Deep Bed Filter Treatment Device" with Chinese Patent Publication No. CN212894098U, it mainly describes that by setting up a new denitrification deep bed filter treatment device, the sewage can fully react with the filler layer, effectively improve the denitrification and phosphorus removal efficiency of the filter, reduce the sewage treatment cost, improve economic benefits, and be suitable for promotion in a wide range. By setting a diffuser on the filter layer, the filter can evenly distribute gas and water during the filtration and backwashing process, effectively improve the denitrification treatment effect of the device, reduce the energy consumption during the operation of the device, and improve the practicability of the device. In this process, the sludge in the denitrification deep bed will make the filter layer layer unclear under the action of the backwashing system, and the impurity and sludge treatment will be complicated.

[0004] Therefore, a denitrification deep bed filter treatment device is proposed to solve the problem that in the process, the sludge in the denitrification deep bed will make the filter layer unclear under the action of the backwashing system, and the impurity and sludge treatment is complicated. Utility Model Content

[0005] The technical problem to be solved by the utility model is that in this process, the sludge in the denitrification deep bed will make the filter material layer unclear under the action of the backwashing system, and the impurity and sludge treatment will be complicated. Therefore, a denitrification deep bed filter treatment device is proposed.

[0006] The technical solution adopted by the utility model to solve the technical problem is: a denitrification deep bed filter treatment device, including a filter body, an inlet pipe, an outlet pipe, a filler layer, a gravel layer and a quartz layer, a partition plate is evenly fixedly connected in the filter body, through holes are evenly opened on the upper and lower sides of the partition plate, a scattered sewage channel is opened in the partition plate, a water collecting pipe is arranged on one side of the filter body, a water distribution pipe is fixedly connected to the water collecting pipe, a nozzle is evenly fixedly connected to the water distribution pipe, a fixed plate is fixedly connected to the bottom side of the filter body, a groove is opened on the fixed plate and a first baffle is fixedly connected in the groove, a driving motor is fixedly connected to the bottom end of the first baffle and a second baffle is fixedly connected to the output end of the driving motor, V-shaped grooves are opened on the first baffle and the second baffle, an electric push rod is fixedly connected to the side of the filter body away from the water collecting pipe, a moving plate is fixedly connected to the output end of the electric push rod, a blocking block is fixedly connected to the moving plate, and the blocking block corresponds to the scattered sewage channel.

[0007] As a preferred technical solution of the utility model, a connecting block is fixedly connected to the blocking block, and the connecting block is fixedly connected to one side of the movable plate. By setting the connecting block, one side of the sewage channel can be closed by a diameter larger than the blocking block.

[0008] As a preferred technical solution of the utility model, a gasket is glued on the connecting block, and the gasket is made of rubber material. The sealing performance is increased by arranging the gasket.

[0009] As a preferred technical solution of the utility model, a protective cover is fixedly connected to the nozzle, and the protective cover is a mesh structure. By providing the protective cover, the nozzle can be less likely to be blocked by filter layer materials.

[0010] As a preferred technical solution of the utility model, the diameters of the through holes on the four partition plates decrease from top to bottom, and the sewage dispersing channel is arranged at an angle, and the gradually decreasing through hole diameters can prevent filter materials from clogging the through holes.

[0011] The utility model has the following advantages: by installing a partition plate between the filler layer, the gravel layer and the quartz layer, and opening a through hole on the partition plate, and then arranging a sewage discharge channel in the partition plate, and treating impurities in the filter material through a water collecting pipe, a water distribution pipe and a nozzle, the stratification of the filter material can be ensured, and the treatment efficiency of impurities and sludge can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a side view cross-sectional structural schematic diagram of a denitrification deep bed filter treatment device of a preferred embodiment of the utility model;

[0013] Figure 2 It is a three-dimensional cross-sectional structural schematic diagram of a denitrification deep bed filter treatment device of a preferred embodiment of the utility model;

[0014] Figure 3 It is an enlarged structural schematic diagram of point A of a denitrification deep bed filter treatment device in a preferred embodiment of the utility model.

[0015] Explanation of the reference numerals in the accompanying drawings: 1. filter tank body; 2. water inlet pipe; 3. water outlet pipe; 4. partition plate; 5. through hole; 6. sewage dispersion channel; 7. water collecting pipe; 8. water distribution pipe; 9. nozzle; 10. protective cover; 11. fixed plate; 12. first baffle plate; 13. second baffle plate; 14. V-shaped groove; 15. electric push rod; 16. movable plate; 17. blocking block; 18. connecting block; 19. gasket; 20. packing layer; 21. gravel layer; 22. quartz layer. DETAILED DESCRIPTION

[0016] The utility model will be further described below in conjunction with the accompanying drawings.

[0017] Please refer to Figure 1-3 The denitrification deep bed filter treatment device shown comprises a filter body 1, an inlet pipe 2, an outlet pipe 3, a packing layer 20, a gravel layer 21 and a quartz layer 22. Wastewater enters the filter body 1 from the inlet pipe 2 and is removed from the outlet pipe 3. The packing layer 20, the gravel layer 21 and the quartz layer 22 cooperate to filter the wastewater. A partition plate 4 is evenly and fixedly connected in the filter body 1. Through holes 5 are evenly provided on the upper and lower sides of the partition plate 4. A sewage dispersing channel 6 is provided in the partition plate 4. A water collecting pipe 7 is provided on one side of the filter body 1. A water distribution pipe 8 is fixedly connected to the filter body 1. The water collecting pipe 7 is connected to an external water supply device through a pipe fitting. The pipe fittings on the inlet pipe 2, the outlet pipe 3 and the water collecting pipe 7 are all provided with control valves. A water distribution pipe 8 is fixedly connected to the water collecting pipe 7. A nozzle 9 is evenly and fixedly connected to the water distribution pipe 8. The bottom side of the filter body 1 is fixedly connected to the filter body 1. A fixed plate 11 is connected, a groove is provided on the fixed plate 11 and a first baffle 12 is fixedly connected in the groove, a driving motor is fixedly connected to the bottom end of the first baffle 12 and a second baffle 13 is fixedly connected to the output end of the driving motor, the driving motor drives the second baffle 13 to rotate, and makes the V-grooves 14 of the first baffle 12 correspond to those of the second baffle 13, so that the water falls, the first baffle 12 and the second baffle 13 are both provided with V-grooves 14, an electric push rod 15 is fixedly connected to the side of the filter tank body 1 away from the water collecting pipe 7, the output end of the electric push rod 15 is fixedly connected to a moving plate 16, a blocking block 17 is fixedly connected to the moving plate 16, the blocking block 17 corresponds to the bulk sewage channel 6, the electric push rod 15 contracts to drive the moving plate 16 and the blocking block 17 to move, at this time the blocking block 17 is plugged into the filter tank body 1, so that the bulk sewage channel 6 is in a closed state.

[0018] One side of the movable plate 16 is fixedly connected to a connecting block 18 , which is fixedly connected to the blocking block 17 . By providing the connecting block 18 , the sewage dispersing channel 6 can be sealed by having a diameter larger than that of the blocking block 17 .

[0019] The gasket 19 is glue-connected to the connecting block 18 . The gasket 19 is made of rubber material. The gasket 19 is provided to increase the sealing performance between the connecting block 18 and the filter tank body 1 .

[0020] The protective cover 10 is fixedly connected to the nozzle 9 , and the protective cover 10 is in a mesh structure, which can prevent the filter materials in the packing layer 20 , the gravel layer 21 and the quartz layer 22 from clogging the nozzle 9 .

[0021] The diameters of the through holes 5 on the four partition plates 4 decrease from top to bottom, and the sewage dispersing channel 6 is arranged at an angle. By setting the gradually decreasing diameters of the through holes 5, it is possible to correspond to different filter material layers and reduce the filter material entering the partition plates 4.

[0022] Working principle: wastewater is put into the filter body 1, and passes through the packing layer 20, the gravel layer 21 and the quartz layer 22, and a through hole 5 and a sewage dispersing channel 6 are set on each filter material layer, so that the impurities in the wastewater are retained in the filter material layer, and the purified water body is removed through the outlet pipe 3. When the impurities in the denitrification deep bed filter need to be treated, the driving motor is started to drive the second baffle 13 to rotate, and the V-shaped grooves 14 of the first baffle 12 and the second baffle 13 are closed and dislocated, and then water is injected into the water collecting pipe 7, and sprayed out through the water distribution pipe 8 and the nozzle 9 to flush the filter material layer, and the impurities pass through the bottom side through holes 5 of multiple partition plates 4 and enter the sewage dispersing channel 6. At this time, the electric push rod 15 can be started intermittently, and the moving plate 16 is driven away from the filter body 1. At this time, the block 17 does not contact the sewage dispersing channel 6, so that the sludge is discharged.

[0023] The above are only preferred implementations of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

[0024] Other parts of the present invention not described in detail belong to the prior art and will not be described in detail here.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A denitrification deep bed filter treatment device, comprising a filter body (1), an inlet pipe (2), an outlet pipe (3), a filler layer (20), a gravel layer (21) and a quartz layer (22), characterized in that: A partition plate (4) is evenly fixedly connected inside the filter tank body (1), through holes (5) are evenly opened on the upper and lower sides of the partition plate (4), a sewage dispersing channel (6) is opened inside the partition plate (4), a water collecting pipe (7) is arranged on one side of the filter tank body (1), a water distribution pipe (8) is fixedly connected to the water collecting pipe (7), a nozzle (9) is evenly fixedly connected to the water distribution pipe (8), a fixing plate (11) is fixedly connected to the bottom side of the filter tank body (1), a groove is opened on the fixing plate (11), and a first stopper is fixedly connected in the groove. The first baffle plate (12) is fixedly connected to a driving motor at the bottom end and the output end of the driving motor is fixedly connected to a second baffle plate (13), the first baffle plate (12) and the second baffle plate (13) are both provided with a V-shaped groove (14), the filter tank body (1) is fixedly connected to an electric push rod (15) on the side away from the water collecting pipe (7), the output end of the electric push rod (15) is fixedly connected to a moving plate (16), the moving plate (16) is fixedly connected to a blocking block (17), and the blocking block (17) corresponds to the sewage dispersing channel (6).

2. The denitrification deep bed filter treatment device according to claim 1, characterized in that: A connecting block (18) is fixedly connected to the blocking block (17), and the connecting block (18) is fixedly connected to one side of the moving plate (16).

3. The denitrification deep bed filter treatment device according to claim 2, characterized in that: The connecting block (18) is glue-connected with a gasket (19), and the gasket (19) is made of rubber material.

4. The denitrification deep bed filter treatment device according to claim 1, characterized in that: A protective cover (10) is fixedly connected to the spray head (9), and the protective cover (10) is in a mesh structure.

5. The denitrification deep bed filter treatment device according to claim 1, characterized in that: The diameters of the through holes (5) on the four partition plates (4) decrease sequentially from top to bottom, and the sewage dispersing channel (6) is arranged at an inclination.

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