CN219136607U

CN219136607U - Denitrification biological filter

Info

Publication number: CN219136607U
Application number: CN202320193838.1U
Authority: CN
Inventors: 王小利; 李鑫; 刘建强
Original assignee: Shanxi Jincheng Environmental Engineering Co ltd
Current assignee: Shanxi Jincheng Environmental Engineering Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-06-06
Anticipated expiration: 2033-02-13

Abstract

The utility model discloses a denitrification biological filter, in particular to the technical field of sewage treatment equipment, which comprises a filter tank, wherein an inclined filter screen is fixed in the filter tank, and a linkage cleaning assembly is arranged on an upper inclined surface of the inclined filter screen; the linkage cleaning component comprises an inclined flow guiding scraper blade arranged on an inclined plane of the inclined filter screen, and a linkage support plate is welded at one side position of the inclined flow guiding scraper blade. According to the utility model, the linkage cleaning assembly is arranged, the servo gear motor is started to drive the driving screw to realize forward rotation, the driving screw drives the threaded sleeve ring block to move downwards along the inner wall of the rectangular guide frame plate under the action of threads, the inclined flow guiding scraper blade is scraped along the upper inclined surface of the inclined filter screen, larger impurities adhered to the upper surface of the inclined filter screen can be moved downwards in an inclined manner and discharged, the inclined filter screen is not required to be disassembled, the installation is required in the later stage, and the later stage maintenance is more time-saving and labor-saving, and is convenient and rapid.

Description

Denitrification biological filter

Technical Field

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

Background

With the increasingly prominent problem of water pollution in China, the improvement of the discharge standard of town sewage treatment is a trend. From the current requirement of improving the quality of water environment, the effluent water treated by many urban sewage treatment plants is often discharged into urban rivers and becomes the water body of the rivers. The existing sewage treatment plant effluent in China needs to use a denitrification biological filter to realize the filtering operation.

According to the prior art, patent publication No. CN208980537U discloses a biological filter denitrification treatment system, which comprises a cylinder, the inside surface fixedly connected with sewage pipe of front lower extreme of drum, the inside surface fixedly connected with first plectane of lower extreme of drum, the inside surface of first plectane is equipped with the water distribution pipe, the inside surface fixedly connected with first filter screen of water distribution pipe, the cobblestone layer has been laid to the upper surface of first plectane, the inside surface fixedly connected with supporting shoe of front end of drum, the shell has been placed to the upper end surface of supporting shoe, the inside surface fixedly connected with second filter screen of lower extreme opening part of shell, the inside surface of shell has laid biological haydite layer, the inside surface sliding connection of upper end of shell has the second plectane, the inside surface fixedly connected with activated carbon block in mouth of pipe department of second plectane, this biological filter denitrification treatment system improves sewage treatment degree, conveniently maintains.

According to the denitrification filter, in the use process, larger particles are arranged in the whole sewage, so that the whole filter screen is blocked after the denitrification filter is used for a long time, impurities can be removed only after the denitrification filter is disassembled and cleaned, and the later maintenance is more time-consuming and labor-consuming.

Disclosure of Invention

The technical scheme of the utility model aims at the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and provides the denitrification biological filter for overcoming the defects of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the denitrification biological filter comprises a filter tank, wherein an inclined filter screen is fixed in the filter tank, and a linkage cleaning assembly is arranged on an upper inclined surface of the inclined filter screen;

the linkage cleaning assembly comprises an inclined flow guiding scraper plate arranged on an inclined plane of the inclined filter screen, a linkage support plate is welded at one side position of the inclined flow guiding scraper plate, a threaded sleeve ring block is fixed at the top end of the linkage support plate, a drive screw in threaded connection is inserted into the threaded sleeve ring block, a servo gear motor is fixed on the top end of the drive screw in a coaxial transmission manner, and a rectangular guide frame plate fixedly connected to the filter tank is sleeved on the outer wall of the threaded sleeve ring block.

Preferably, the inclined flow guiding scraper blade is in sliding connection along the upper inclined surface of the inclined filter screen, one side of the inclined flow guiding scraper blade is polished, the threaded sleeve ring block is in inclined sliding along the inner wall of the rectangular guide frame plate, and the outer wall of the threaded sleeve ring block and the inner wall of the rectangular guide frame plate are polished.

Preferably, the inner wall of the filter tank and the position close to the bottom end of the inner wall of the filter tank are fixedly provided with activated carbon adsorption plates for adsorbing sewage, the outer wall of the filter tank is fixedly connected with a control switch through bolts, pushing air cylinders are fixed on the two sides of the filter tank and the position above the control switch, the pushing ends of the pushing air cylinders are welded with linked support blocks, and an upper sealing cover plate is fixed at the position between the two linked support blocks.

Preferably, the lower surface mounting of slope filter screen has the biological haydite plywood of fixing in the filter vat inner wall position department, and the lower surface of biological haydite plywood is fixed with a plurality of support axostylus axostyles from front to back equidistance in proper order, and the outer wall of every support axostylus axostyle all rotates through the bearing and connects the rotatory flabellum, and the department all overlaps in the below position of every rotatory flabellum is equipped with the last spray tube that is used for the aeration, the welding of the tip intercommunication of going up the spray tube has the booster fan that is used for the outside air that pressurizes.

The utility model has the technical effects and advantages that:

1. through setting up the linkage clearance subassembly, start servo gear motor and drive the drive screw and realize corotation, the drive screw drives the screw thread collar piece and moves down along the inner wall slope of rectangle guide frame board under the effect of screw thread, the slope water conservancy diversion scraper blade is realized scraping along the upper inclined plane of slope filter screen, the great impurity of the upper surface adhesion of slope filter screen can move down the discharge obliquely, need not to dismantle the slope filter screen, still need install in the later stage, later stage maintenance is got up labour saving and time saving more, convenient and fast;

2. the booster fan is started to compress external air and then enters the upper spray pipe, the upper spray pipe can spray and aerate the air, the rotary fan blades can rotate and disperse bubbles, water flow after dispersion is more dispersed, and the air fully realizes uniform aeration on the biological ceramsite laminate, so that the uniformity of oxygen distribution is improved.

Drawings

FIG. 1 is a schematic diagram of a denitrification biological filter in a front view.

FIG. 2 is a schematic diagram of a vertical cross-section structure of a denitrification biological filter according to the present utility model.

Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

Fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.

The reference numerals are: 1. a filtering tank; 2. tilting the filter screen; 3. tilting a diversion scraper; 4. a linkage support plate; 5. a threaded collar block; 6. a drive screw; 7. a servo gear motor; 8. rectangular guide frame plates; 9. an activated carbon adsorption plate; 10. a control switch; 11. a pushing cylinder; 12. a linkage support block; 13. sealing the cover plate; 14. biological haydite laminate; 15. a support shaft; 16. rotating the fan blades; 17. an upper spray pipe; 18. a booster fan.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

1-4, be provided with the linkage clearance subassembly on this denitrification biological filter, the setting of linkage clearance subassembly can need not to dismantle the slope filter screen, still need install in the later stage, and later stage maintenance gets up labour saving and time saving more, convenient and fast, and the concrete structure of linkage clearance subassembly sets up as follows:

in some embodiments, as shown in fig. 1-3, the linkage cleaning assembly comprises an inclined flow guiding scraper 3 arranged on an inclined plane on the inclined filter screen 2, a linkage support plate 4 is welded at one side position of the inclined flow guiding scraper 3, a threaded collar block 5 is fixed at the top end of the linkage support plate 4, a transmission screw 6 in threaded connection is inserted into the threaded collar block 5, a servo gear motor 7 is coaxially driven and fixed at the top end of the transmission screw 6, and a rectangular guide frame plate 8 fixedly connected to the filter tank 1 is sleeved on the outer wall of the threaded collar block 5.

The principle of use of this embodiment denitrification biological filter can be with inside whole sewage is leading-in filtering ponds 1, can realize filtering great impurity through slope filter screen 2, and sewage passes through biological haydite plywood 14 and realizes handling operation, can realize impurity adsorption operation through activated carbon adsorption plate 9, start after finishing sewage treatment and promote cylinder 11 and drive the linkage supporting shoe 12 and promote, the linkage supporting shoe 12 drives the sealed apron 13 and opens the open position on the filtering ponds 1 after realizing the left shift, then start servo gear motor 7 and drive screw 6 and realize corotation, drive screw 6 drives screw collar piece 5 and moves down along the slope of the inner wall of rectangle guide frame board 8 under the effect of screw thread, screw collar piece 5 can drive linkage supporting shoe 4 like this and realize moving down, linkage supporting shoe 4 drives slope water conservancy diversion scraper 3 and realizes scraping along the upper inclined plane of slope filter screen 2, the great impurity of slope filter screen 2 upper surface adhesion can move down and discharge.

In some embodiments, as shown in fig. 1-2, an activated carbon adsorption plate 9 for adsorbing sewage is fixed on the inner wall of the filter tank 1 and near the bottom end of the inner wall of the filter tank 1, so that the activated carbon adsorption plate 9 can adsorb sewage impurities in the filter tank 1, the treatment is more convenient, the outer wall of the filter tank 1 is fixedly connected with a control switch 10 through bolts, pushing air cylinders 11 are fixed on two sides of the filter tank 1 and above the control switch 10, pushing ends of the pushing air cylinders 11 are welded with linkage support blocks 12, a sealing cover plate 13 is fixed between the two linkage support blocks 12, so that the control switch 10 is started, the control switch 10 can start the pushing air cylinders 11 to drive the linkage support blocks 12 to push, and the linkage support blocks 12 drive the sealing cover plates 13 to open the opening positions on the filter tank 1 after the left movement is realized.

In some embodiments, as shown in fig. 2-4, the lower surface of the inclined filter screen 2 is provided with a biological haydite layer plate 14 fixed at the position of the inner wall of the filter tank 1, the lower surface of the biological haydite layer plate 14 is sequentially and equidistantly arranged and fixed with a plurality of support shafts 15 from front to back, the outer wall of each support shaft 15 is rotationally connected with an upper rotary fan blade 16 through a bearing, an upper spray pipe 17 for aeration is sleeved at the position below each rotary fan blade 16, and one end part of the upper spray pipe 17 is welded and communicated with a booster fan 18 for boosting external air;

when the embodiment is used, the booster fan 18 is started to compress external air and then enters the upper spray pipe 17, the upper spray pipe 17 can spray the air upwards for aeration, the water flow after spraying upwards can drive the rotary fan blades 16 to rotate, the rotary fan blades 16 realize rotary operation on the outer wall of the supporting shaft rod 15, the rotary fan blades 16 can rotate and disperse bubbles, the water flow after the dispersion is more dispersed, and the air fully realizes uniform aeration on the biological ceramsite laminate 14.

Finally: the foregoing is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the utility model, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.

Claims

1. The utility model provides a denitrification biological filter, includes filtering ponds (1), the inside of filtering ponds (1) is fixed with slope filter screen (2), its characterized in that: a linkage cleaning assembly is arranged on the upper inclined surface of the inclined filter screen (2);

linkage clearance subassembly is including setting up slope water conservancy diversion scraper blade (3) on slope filter screen (2), has welded linkage extension board (4) in one side position department of slope water conservancy diversion scraper blade (3), and the top of linkage extension board (4) is fixed with screw thread collar piece (5), screw thread collar piece (5)'s inside has inserted threaded connection's drive screw (6), and the coaxial transmission in top of drive screw (6) is fixed with servo gear motor (7), the outer wall suit of screw thread collar piece (5) is fixed connection's rectangle guide frame board (8) on filtering ponds (1).

2. A denitrification biological filter according to claim 1, wherein: the inclined flow guiding scraper (3) is connected with the inclined filter screen (2) in a sliding manner along the upper inclined surface, and one side of the inclined flow guiding scraper (3) is polished.

3. A denitrification biological filter according to claim 1, wherein: the thread collar block (5) slides obliquely along the inner wall of the rectangular guide frame plate (8), and the outer wall of the thread collar block (5) and the inner wall of the rectangular guide frame plate (8) are polished.

4. A denitrification biological filter according to claim 1, wherein: an activated carbon adsorption plate (9) used for adsorbing sewage is fixed on the inner wall of the filter tank (1) and is close to the bottom end of the inner wall.

5. A denitrification biological filter according to claim 1, wherein: the outer wall of the filter tank (1) is fixedly connected with a control switch (10) through bolts, pushing air cylinders (11) are fixed on two sides of the filter tank (1) and above the control switch (10), linkage support blocks (12) are welded at pushing ends of the pushing air cylinders (11), and an upper sealing cover plate (13) is fixed between the two linkage support blocks (12).

6. A denitrification biological filter according to claim 1, wherein: the biological haydite plywood (14) of the lower surface mounting of slope filter screen (2) fixing in filtering ponds (1) inner wall position department, and the lower surface of biological haydite plywood (14) is fixed with a plurality of support axostylus axostyles (15) from front to back equidistance range in proper order, and the outer wall of every support axostylus axostyle (15) all rotates through the bearing and connects rotatory flabellum (16), all overlaps in the below position department of every rotatory flabellum (16) and is equipped with last spray tube (17) that are used for the aeration, the welding of one end intercommunication of going up spray tube (17) has booster fan (18) that are used for the outside air of pressure boost.