Industrial sewage denitrification filtering device

Abstract

The utility model belongs to the technical field of sewage treatment, and particularly relates to an industrial sewage denitrification filter device which comprises a filter cartridge, a filter element is arranged in the filter cartridge, the interior of the filter element is connected with a sewage inlet pipe, the filter cartridge is connected with a sewage outlet pipe, a cleaning assembly is arranged in the filter element, and the cleaning assembly is connected with the filter element. The cleaning assembly moves in the axial direction of the filter element to clean the filter element, the filter cartridge is communicated with the settling cylinder through a sewage outlet pipe, and sewage and a flocculating agent are fully mixed in the settling cylinder through stirring. A large number of impurities in the sewage are filtered through the filter element, so that the chemical settling effect is improved; the cleaning assembly is arranged in the filter element, so that the filter element can be regularly cleaned, the filter element can be effectively prevented from being blocked, and the denitrification efficiency of sewage is improved.

Description

TECHNICAL FIELD

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

[0002] Industrial sewage denitrification is the process that wastewater is treated by denitrification to prevent water body eutrophication. Generally divided into physical chemistry method and biological denitrification method two kinds. At present, when chemical precipitation method is used to carry out industrial sewage denitrification, because sewage contains more impurities, the effect of denitrification is affected, so before carrying out denitrification by chemical precipitation method, the sewage needs to be filtered by filter screen, but filter screen is easily blocked by surface accumulated precipitate in long time use process, so filter screen needs to be disassembled regularly for cleaning, and frequent operation also affects the efficiency of sewage treatment, for this purpose, we provide a kind of industrial sewage denitrification filter device. SUMMARY

[0003] In order to overcome the above-mentioned defects existing in the prior art, the utility model provides a kind of industrial sewage denitrification filter device.

[0004] A kind of industrial sewage denitrification filter device, including filter cartridge, the filter cartridge is equipped with filter core, the inside of the filter core is connected with sewage inlet pipe, the filter cartridge is connected with sewage outlet pipe, the filter core is equipped with cleaning assembly, the cleaning assembly is cleaned to filter core by moving along the axial direction of filter core, the filter cartridge is communicated with settling cylinder by sewage outlet pipe, and the settling cylinder is fully mixed by stirring sewage and flocculating agent.

[0005] Further, the cleaning assembly includes an annular brush handle, the outer wall of the brush handle is provided with bristles, the inner wall of the brush handle is provided with an insertion block, the brush handle is inserted with the fixed ring through the insertion block, and the insertion block and the fixed ring are fixedly connected through a fastener.

[0006] Further, the inner wall of the fixed ring is connected with a fixed plate through a connecting rod, the fixed plate is connected with a lifting rod, the top of the lifting rod is rotatably connected with a lifting frame through the filter cartridge, one end of the lifting frame is connected with the output end of an electric telescopic rod, the other end of the lifting frame is connected with a guide rod, and the electric telescopic rod and the guide rod are fixedly installed on the outer wall of the filter cartridge.

[0007] Further, the outer wall of the lifting rod is spline-connected with a rotating sleeve, the rotating sleeve is rotatably installed on the top of the filter cartridge, a first gear is sleeved on the outer wall of the rotating sleeve, the first gear is engaged with a second gear, the output end of a rotating motor is connected with the second gear, and the rotating motor is fixedly installed on the top of the filter cartridge.

[0008] Further, the bottom of the filter cartridge is provided with airtight disc valve.

[0009] Further, the settling cylinder is provided with a rotating shaft, and a plurality of stirring rod groups are arranged on the outer wall of the rotating shaft along the length direction of the rotating shaft, each of the stirring rod groups is arranged in the circumferential direction and takes the central axis of the rotating shaft as the center, and the top of the rotating shaft extends out of the settling cylinder and is connected with a driving motor.

[0010] Further, the top of the settling cylinder is provided with a flocculating agent inlet, and the bottom is provided with a filter disc valve.

[0011] Thanks to the above technical scheme, the sewage is filtered by the filter core to remove a large amount of impurities, so that the effect of chemical sedimentation is improved, the filter core can be regularly cleaned by the cleaning assembly arranged in the filter core, so that the filter core is effectively prevented from being blocked, and the nitrogen removal efficiency of the sewage is improved, when the cleaning assembly is not in operation, the cleaning assembly is located at the top of the filter core and does not interfere with the normal filtering work, when the cleaning work is performed, the cleaning assembly moves in the vertical direction to clean the side wall of the filter core, and the filtered sewage enters the settling cylinder to be fully combined with the flocculating agent, so that the nitrogen removal of the sewage is realized. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 Fig. 1 is a structural schematic view of the industrial sewage nitrogen removal filter device;

[0013] Figure 2 Fig. 2 is a front view of the industrial sewage nitrogen removal filter device;

[0014] Figure 3 Fig. 3 is a sectional structure schematic view of the industrial sewage nitrogen removal filter device in the front view direction;

[0015] Figure 4 Fig. 4 is an installation structure schematic view of the cleaning assembly in the utility model;

[0016] Figure 5 Fig. 5 is an exploded schematic view of the cleaning assembly in the utility model.

[0017] In the drawing, 1 is a filter cylinder, 2 is a filter core, 3 is a sewage inlet pipe, 4 is a sewage outlet pipe, 5 is a settling cylinder, 6 is a brush handle, 7 is a brush, 8 is an insertion block, 9 is a fixing ring, 10 is a fastening bolt, 11 is a connecting rod, 12 is a fixing plate, 13 is a lifting rod, 14 is a lifting frame, 15 is an electric telescopic rod, 16 is a guide rod, 17 is a rotating sleeve, 18 is a first gear, 19 is a second gear, 20 is a rotating motor, 21 is a sealed disc valve, 23 is a flocculating agent inlet, 24 is a filter disc valve, 25 is a rotating shaft, and 26 is a driving motor. DETAILED DESCRIPTION

[0018] In order to more clearly illustrate the technical scheme of the utility model, the utility model will be further described below in combination with the drawings. Obviously, the drawings described below are only one embodiment of the utility model, and for those skilled in the art, other embodiments can be obtained according to the drawings and the embodiment without creative labor, and all belong to the protection scope of the utility model.

[0019] According to Figures 1-5 As shown in the figure, an industrial wastewater denitrification filter device, including filter cartridge 1, the filter cartridge 1 inside is equipped with filter core 2, the inside of filter core 2 is connected with wastewater inlet pipe 3, the filter cartridge 1 is connected with wastewater outlet pipe 4, the filter core 2 is equipped with cleaning assembly, the cleaning assembly is cleaned to filter core 2 by moving along the axial direction of filter core 2, the filter cartridge 1 is communicated with settling cylinder 5 through wastewater outlet pipe 4, the wastewater and flocculating agent are fully mixed in settling cylinder 5 by stirring.

[0020] In the above specific technical scheme, wastewater is filtered by filter core 2 to filter a large amount of impurities in it, which is conducive to improving the effect of chemical sedimentation, by setting cleaning assembly in filter core 2, filter core 2 can be cleaned regularly, filter core 2 can be effectively prevented from being blocked, and the denitrification efficiency of wastewater is improved, when the cleaning assembly does not work, it is located at the top of filter core 2, and does not interfere with normal filtration work, when cleaning work is carried out, the cleaning assembly moves in the vertical direction, so that the side wall of filter core 2 is cleaned, and the filtered wastewater enters settling cylinder 5, and is fully combined with flocculating agent in settling cylinder 5, so that the denitrification of wastewater is realized.

[0021] The cleaning assembly includes annular brush handle 6, the outer side wall of brush handle 6 is provided with brush 7, the inner side wall of brush handle 6 is provided with plug 8, brush handle 6 is inserted with fixed ring 9 through plug 8, plug 8 and fixed ring 9 are fixedly connected through fastening bolt 10, when brush 7 is worn out after long-term use, the fastening bolt 10 is disassembled, the new brush handle 6 is replaced, and the replacement of brush 7 can be realized.

[0022] The inner wall of fixed ring 9 is connected with fixed plate 12 through connecting rod 11, the fixed plate 12 is connected with lifting rod 13, the top of lifting rod 13 passes through filter cartridge 1 and is rotationally connected with lifting frame 14, one end of lifting frame 14 is connected with the output end of electric telescopic rod 15, the other end of lifting frame 14 is connected with guide rod 16, and electric telescopic rod 15 and guide rod 16 are fixedly installed on the outer wall of filter cartridge 1.

[0023] The outer wall of the lifting rod 13 is connected with the rotating sleeve 17 in a spline connection, the rotating sleeve 17 is rotatably installed on the top of the filter cartridge 1, a first gear 18 is sleeved on the outer wall of the rotating sleeve 17, the first gear 18 is engaged with a second gear 19, the second gear 19 is connected with the output end of a rotating motor 20, and the rotating motor 20 is fixedly installed on the top of the filter cartridge 1.

[0024] In the above specific technical scheme, the electric telescopic rod 15 is started to drive the lifting frame 14 to move downwards, so that the brush 7 moves downwards, and at the same time, the rotating motor 20 drives the rotating sleeve 17 to rotate, the rotating sleeve 17 drives the lifting rod 13 to rotate synchronously, so that the cleaning brush moves downwards and rotates at the same time, which is beneficial to improve the cleaning effect of the filter element 2.

[0025] The bottom of the filter cartridge 1 is provided with a sealed disc valve 21, the filtered sewage flows into the settling cylinder 5 through the sewage outlet pipe 4, the impurities in the sewage fall into the sealed disc valve 21 along the filter element 2, after a period of sewage filtration, the sewage inlet pipe 3 is closed, the sealed disc valve 21 is opened, and the impurities in the sewage fall through the sealed disc valve 21.

[0026] The settling cylinder 5 is provided with a rotating shaft 25, a plurality of stirring rod groups are arranged on the outer wall of the rotating shaft 25 along the length direction of the rotating shaft 25, each stirring rod group is arranged in a circumferential direction with the center axis of the rotating shaft 25 as the center, the top of the rotating shaft 25 extends out of the settling cylinder 5 and is connected with a driving motor 26, and the stirring rod is beneficial to the full mixing of the sewage and the flocculating agent and improves the denitrification effect of the sewage.

[0027] The top of the settling cylinder 5 is provided with a flocculating agent inlet 23, and the bottom is provided with a filter disc valve 24, a through hole is arranged on the valve plate of the filter disc valve 24, the denitrified sewage flows out of the settling cylinder 5 through the through hole, and it is worth noting that the speed of the sewage entering the settling cylinder 5 is greater than the flow-out speed of the sewage, and after the sewage is discharged, the inside of the settling cylinder 5 is cleaned by periodically opening the filter disc valve 24.

[0028] The above embodiments are only exemplary embodiments of the present application and are not used to limit the present application, the protection scope of the present application is defined by the claims, and those skilled in the art can make various modifications or equivalent replacements to the present application within the spirit and protection scope of the present application, and such modifications or equivalent replacements should also be regarded as falling within the protection scope of the present application.

Claims

1. An industrial wastewater denitrification filtration device, comprising a filter cylinder (1), characterized in that, The filter cylinder (1) is equipped with a filter element (2). The interior of the filter element (2) is connected to the sewage inlet pipe (3). The filter cylinder (1) is connected to the sewage outlet pipe (4). The filter element (2) is equipped with a cleaning component. The cleaning component cleans the filter element (2) by moving along the axial direction of the filter element (2). The filter cylinder (1) is connected to the sedimentation cylinder (5) through the sewage outlet pipe (4). The sewage and flocculant are fully mixed in the sedimentation cylinder (5) by stirring.

2. The industrial wastewater denitrification and filtration device according to claim 1, characterized in that, The cleaning assembly includes an annular brush handle (6), with bristles (7) on the outer side wall of the brush handle (6) and a plug (8) on the inner side wall of the brush handle (6). The brush handle (6) is inserted into a fixing ring (9) via the plug (8), and the plug (8) and fixing ring (9) are fixedly connected by a fastening bolt (10).

3. The industrial wastewater denitrification and filtration device according to claim 2, characterized in that, The inner wall of the fixed ring (9) is connected to the fixed plate (12) via the connecting rod (11). The fixed plate (12) is connected to the lifting rod (13). The top of the lifting rod (13) passes through the filter cylinder (1) and is rotatably connected to the lifting frame (14). One end of the lifting frame (14) is connected to the output end of the electric telescopic rod (15). The other end of the lifting frame (14) is connected to the guide rod (16). The electric telescopic rod (15) and the guide rod (16) are fixedly installed on the outer wall of the filter cylinder (1).

4. The industrial wastewater denitrification and filtration device according to claim 3, characterized in that, The outer wall of the lifting rod (13) is splinedly connected to the rotating sleeve (17). The rotating sleeve (17) is rotatably mounted on the top of the filter cylinder (1). A first gear (18) is sleeved on the outer wall of the rotating sleeve (17). The first gear (18) meshes with a second gear (19). The second gear (19) is connected to the output end of the rotary motor (20). The rotary motor (20) is fixedly mounted on the top of the filter cylinder (1).

5. The industrial wastewater denitrification and filtration device according to claim 4, characterized in that, The bottom of the filter cartridge (1) is provided with a sealed disc valve (21).

6. The industrial wastewater denitrification and filtration device according to claim 5, characterized in that, The settling cylinder (5) is provided with a rotating shaft (25). The outer wall of the rotating shaft (25) is provided with a number of stirring rod groups along its length. Each stirring rod group is arranged circumferentially with the central axis of the rotating shaft (25) as the center. The top of the rotating shaft (25) extends out of the settling cylinder (5) and is connected to the drive motor (26).

7. An industrial wastewater denitrification and filtration device according to claim 6, characterized in that, The settling cylinder (5) is provided with a flocculant inlet (23) at the top and a filter disc valve (24) at the bottom.

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