CN220012331U - Automatic nitrogen-driving system for denitrification deep bed filter - Google Patents
Automatic nitrogen-driving system for denitrification deep bed filter Download PDFInfo
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- CN220012331U CN220012331U CN202321405588.XU CN202321405588U CN220012331U CN 220012331 U CN220012331 U CN 220012331U CN 202321405588 U CN202321405588 U CN 202321405588U CN 220012331 U CN220012331 U CN 220012331U
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- bed filter
- denitrification deep
- filter tank
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- pipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 105
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000010865 sewage Substances 0.000 claims abstract description 36
- 239000002351 wastewater Substances 0.000 claims abstract description 33
- 239000006004 Quartz sand Substances 0.000 claims abstract description 31
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 23
- 238000011010 flushing procedure Methods 0.000 claims abstract description 22
- 230000000712 assembly Effects 0.000 claims abstract description 9
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 244000309464 bull Species 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- -1 dirt Substances 0.000 abstract description 3
- 239000002912 waste gas Substances 0.000 abstract description 3
- 238000011001 backwashing Methods 0.000 description 13
- 238000001914 filtration Methods 0.000 description 10
- 239000011449 brick Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Abstract
The utility model discloses an automatic nitrogen-driving system for a denitrification deep bed filter, which comprises a skid-mounted base, a denitrification deep bed filter tank and a clear water tank, wherein a sewage inlet pipe and a wastewater outlet pipe are respectively arranged on the side surface of the denitrification deep bed filter tank; the inner cavity of the denitrification deep-bed filter tank is sequentially provided with an air distribution layer, a pebble layer and a quartz sand layer from bottom to top, a rotating motor is arranged on the denitrification deep-bed filter tank, a driving end shaft of the rotating motor is in transmission connection with a rotating rod, and a plurality of rotating vane assemblies are arranged on the outer surface of the rotating rod. According to the utility model, the quartz sand layers can rub against each other to form a scrubbing-like effect by the cooperation of air and water and back flushing, waste gas such as dirt, nitrogen and the like is flushed out, and meanwhile, the quartz sand is stirred by the rotary vane assembly, so that the mutual friction is accelerated, and the nitrogen-driving efficiency of back flushing is improved.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to an automatic nitrogen-driving system for a denitrification deep bed filter.
Background
When the deep bed filter is operated in the denitrification mode, the nitrate in the sewage is changed into nitrogen due to the reaction of an external carbon source and the nitrate nitrogen in the sewage under the action of microorganisms. Nitrogen gradually accumulates in the filter layer, reducing the gap of water flow through the filter layer, and increasing the head loss of the filter tank, which is called air blocking. Therefore, nitrogen among filter materials of the deep bed filter is required to be expelled periodically so as to reduce head loss, ensure the filtering speed of the filter, and an automatic control program for expelling nitrogen formed by denitrification out of the filter is called a nitrogen expelling program, and the nitrogen expelling program not only can expel nitrogen out of the deep bed filter, but also can expel other gases such as carbon dioxide formed by microorganism respiration or hydrogen sulfide and the like out of the filter.
When the existing denitrification deep bed filter is used for nitrogen removal, the air pump and the water pump for backwashing are simultaneously started through program control, quartz sand is rubbed with each other through the air-water synergistic effect, so that the nitrogen removal effect is achieved, but when pure air-water is used for nitrogen removal in a synergistic mode, a plurality of air pump and water pumps are required to operate simultaneously, otherwise, the efficiency of the mutual friction of the quartz sand is low, and therefore equipment energy consumption is increased, and the use cost is increased.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an automatic nitrogen-driving system for a denitrification deep bed filter, which overcomes the defects of the prior art, has reasonable design, ensures that quartz sand layers can rub against each other to form a scrubbing-like effect by gas-water collaborative back flushing, washes out waste gas such as dirt, nitrogen and the like, and simultaneously increases a rotary vane assembly.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the automatic nitrogen driving system for the denitrification deep bed filter comprises a skid-mounted base, a denitrification deep bed filter tank and a clean water tank, wherein the denitrification deep bed filter tank and the clean water tank are detachably arranged on the upper surface of the skid-mounted base, a sewage inlet pipe and a wastewater outlet pipe are respectively arranged in the middle of the side surface of the denitrification deep bed filter tank, the bottom of the denitrification deep bed filter tank is connected with the output end of a backwashing fan through an air pipe, the bottom of the denitrification deep bed filter tank is fixedly communicated with the clean water tank through a connecting pipe, the bottom of the clean water tank is connected with the input end of a backwashing water pump through an input pipe, and the output end of the backwashing water pump is communicated with the connecting pipe through an output pipe; a clear water discharge pipe is fixedly communicated with the side surface of the clear water tank;
the inner cavity of the denitrification deep-bed filter tank is sequentially filled with an air water distribution layer, a pebble layer and a quartz sand layer from bottom to top, the air water distribution layer, the pebble layer and the quartz sand layer are mutually separated through a sieve plate, a rotating motor is fixedly arranged on the upper surface of the denitrification deep-bed filter tank, a driving end shaft of the rotating motor penetrates through the upper surface of the denitrification deep-bed filter tank and is in transmission connection with a rotating rod, a plurality of groups of rotary vane assemblies are fixedly arranged on the outer surface of the rotating rod, and the rotary vane assemblies are located in the quartz sand layer.
Preferably, the upper parts of two sides of the denitrification deep-bed filter tank are respectively provided with a sewage water inlet and a wastewater outlet, the end part of the sewage water inlet pipe is connected with the sewage water inlet, the end part of the wastewater outlet pipe is connected with the wastewater outlet, the sewage water inlet and the wastewater outlet are both positioned above the quartz sand layer, and the sewage water inlet is higher than the wastewater outlet.
Preferably, a water inlet valve is installed at one end of the sewage water inlet pipe, which is close to the denitrification deep bed filter tank, a backwash wastewater valve is installed on the sewage water outlet pipe, a backwash air valve is installed on the air pipe, a water discharge valve is installed at the position, between a connecting port of the output pipe and the clean water tank, of the connecting pipe, a backwash water valve is installed on the output pipe, a PLC (programmable logic controller) is arranged on the skid-mounted base, and a signal output end of the PLC is respectively connected with a backwash fan, a backwash water pump, a rotary motor, the water inlet valve, the backwash wastewater valve, the backwash air valve, the water discharge valve and the backwash water valve through signals.
Preferably, the surface of the sewage inlet pipe is fixedly connected with a dosing pipe through a tee joint.
Preferably, each group of the rotating vane assemblies comprises a plurality of inner rotating vanes and an outer rotating ring, one end of each inner rotating vane is connected with the rotating rod, the other end of each inner rotating vane is fixedly connected with the inner circular surface of the outer rotating ring, the inner rotating vanes form forty-five degree included angles with the diameter surface of the denitrification deep bed filter tank, and the inner rotating vanes She Chengshun are arranged on the inner side of the outer rotating ring at equal angles in a clockwise or anticlockwise manner.
Preferably, a guide frame is fixedly arranged on the upper surface of the inner cavity of the denitrification deep bed filter tank, a guide bearing is arranged in the middle of the guide frame, and the outer surface of the rotating rod is rotationally connected with the guide frame through the guide bearing.
The utility model provides an automatic nitrogen-driving system for a denitrification deep bed filter. The beneficial effects are as follows: the quartz sand layers in the denitrification deep-bed filter tank can rub each other to form a scrubbing-like effect through the air-water collaborative backwashing, waste gases such as dirt, nitrogen and the like are flushed out, the filter tank recovers the filtering function, the sewage filtering effect is improved, the rotary vane component is also added, and the quartz sand is stirred when the denitrification deep-bed filter tank performs the air-water backwashing, so that the mutual friction is accelerated, the nitrogen-expelling efficiency of backwashing is improved, and the use cost is reduced.
Drawings
In order to more clearly illustrate the utility model or the technical solutions in the prior art, the drawings used in the description of the prior art will be briefly described below.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of a denitrification deep-bed filter tank in the utility model;
FIG. 3 is a schematic view of a rotor assembly according to the present utility model;
the reference numerals in the figures illustrate:
1. a skid-mounted base; 2. a denitrification deep bed filtration tank; 3. a clean water tank; 4. a sewage inlet pipe; 5. a waste water discharge pipe; 6. an air pipe; 7. a back flushing fan; 8. back flushing the water pump; 9. a connecting pipe; 10. an input tube; 11. an output pipe; 12. a clear water discharge pipe; 13. a water inlet valve; 14. backwashing the waste water valve; 15. backwashing an air valve; 16. a drain valve; 17. backwashing a water valve; 18. a PLC controller; 19. a dosing tube; 20. a rotary vane assembly; 21. inner rotating leaves; 22. an outer spin ring; 23. a guide frame; 201. a gas-water distribution layer; 202. a pebble layer; 203. a quartz sand layer; 204. a sieve plate; 206. a rotating motor; 207. a rotating rod; 209. a sewage inlet; 210. and a waste water outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
1-3, an automatic nitrogen driving system for a denitrification deep bed filter tank comprises a skid-mounted base 1, a denitrification deep bed filter tank 2 and a clear water tank 3, wherein the denitrification deep bed filter tank 2 and the clear water tank 3 are detachably arranged on the upper surface of the skid-mounted base 1, a sewage inlet pipe 4 and a wastewater outlet pipe 5 are respectively arranged in the middle of the side surface of the denitrification deep bed filter tank 2, the bottom of the denitrification deep bed filter tank 2 is connected with the output end of a backwashing fan 7 through an air pipe 6, the bottom of the denitrification deep bed filter tank 2 is fixedly communicated with the clear water tank 3 through a connecting pipe 9, the bottom of the clear water tank 3 is connected with the input end of a backwashing water pump 8 through an input pipe 10, and the output end of the backwashing water pump 8 is communicated with the connecting pipe 9 through an output pipe 11; a clear water discharge pipe 12 is fixedly communicated with the side surface of the clear water tank 3;
the inner cavity of the denitrification deep-bed filter tank 2 is sequentially filled with an air water distribution layer 201, a pebble layer 202 and a quartz sand layer 203 from bottom to top, the air water distribution layer 201, the pebble layer 202 and the quartz sand layer 203 are mutually separated through a sieve plate 204, a rotating motor 206 is fixedly arranged on the upper surface of the denitrification deep-bed filter tank 2, a driving end shaft of the rotating motor 206 penetrates through the upper surface of the denitrification deep-bed filter tank 2 and is in transmission connection with a rotating rod 207, a plurality of groups of rotary vane assemblies 20 are fixedly arranged on the outer surface of the rotating rod 207, and the rotary vane assemblies 20 are positioned in the quartz sand layer 203.
Wherein, the upper sides of the two sides of the denitrification deep-bed filter tank 2 are respectively provided with a sewage inlet 209 and a wastewater outlet 210, the end part of the sewage inlet pipe 4 is connected with the sewage inlet 209, the end part of the wastewater outlet pipe 5 is connected with the wastewater outlet 210, the sewage inlet 209 and the wastewater outlet 210 are both positioned above the quartz sand layer 203, and the sewage inlet 209 is higher than the wastewater outlet 210. The sewage inlet pipe 4 is close to one end of the denitrification deep bed filter tank 2 and is provided with a water inlet valve 13, the wastewater outlet pipe 5 is provided with a backwash wastewater valve 14, the air pipe 6 is provided with a backwash gas valve 15, the connecting pipe 9 is provided with a water outlet valve 16 at the position between the connecting port of the output pipe 11 and the clean water tank 3, the output pipe 11 is provided with a backwash water valve 17, the skid-mounted base 1 is provided with a PLC (programmable logic controller) 18, and the signal output end of the PLC 18 is respectively connected with the backwash fan 7, the backwash water pump 8, the rotary motor 206, the water inlet valve 13, the backwash wastewater valve 14, the backwash gas valve 15, the water outlet valve 16 and the backwash water valve 17 in a signal mode.
Working principle:
in normal operation, the water inlet valve 13 and the water outlet valve 16 are opened, the backwash wastewater valve 14, the backwash gas valve 15 and the backwash water valve 17 are closed, water to be treated firstly enters the top of the denitrification deep-bed filter tank 2 from the sewage inlet pipe 4, is filtered by the quartz sand layer 203 in the denitrification deep-bed filter tank 2, and then is discharged into the connecting pipe 9 from the gas-water distribution layer 201 at the bottom of the denitrification deep-bed filter tank 2 through gravity after being filtered by the quartz sand layer 203 in the denitrification deep-bed filter tank 2, and is discharged into the clean water tank 3 through the connecting pipe 9. In this embodiment, the filtering principle relies on mechanical filtering deposited and adsorbed on the quartz sand layer 203, so that dirt and attached nitrogen gas can be deposited on the quartz sand layer 203 after a long filtering time, and thus back flushing is required to flush out the deposited dirt, so that the denitrification deep-bed canister 2 recovers the filtering function;
during back flushing, firstly, the water inlet valve 13 and the water outlet valve 16 are closed, the back flushing waste water valve 14 is opened, then the back flushing air valve 15 is opened, the back flushing fan 7 is controlled to operate for 3-5min, then the back flushing air valve 15 and the back flushing water valve 17 are controlled to be opened, the back flushing fan 6 and the back flushing water pump 8 are controlled to operate for 15-20min simultaneously, so that quartz sand in the quartz sand layer 203 can rub against each other to form a scrubbing-like effect through the synergistic effect of air and water, dirt and attached nitrogen are flushed out, the filter tank is enabled to recover the filtering function, finally, the back flushing water valve 17 is controlled to be opened, and the back flushing water pump 8 is controlled to operate for 5min independently, so that the dirt after back flushing is discharged through the waste water outlet pipe 5, and then the back flushing flow is ended, and the normal operation state is switched.
In the back flush nitrogen-driving process, the PLC controller 18 can control the rotating motor 206 to be started, the driving end of the rotating motor 206 drives the rotating rod 207 to rotate, then the rotating rod 207 drives the rotating vane assembly 20 to rotate, and then the quartz sand layer 203 is stirred through the rotation of the rotating vane assembly 20, so that mutual friction is accelerated, and the nitrogen-driving efficiency of back flush is improved.
In this embodiment, the air-water distribution filter bricks 201 include a plurality of air-water distribution filter bricks, the adjacent air-water distribution filter bricks are mutually spliced and fixed, and the specific structure of the air-water distribution filter bricks 201 adopts the scheme described in the application number of CN202122988972.4, and the patent name is "a disc-type air-water distribution filter brick for a filter system", so as to overcome the risk that the conventional filter bricks turn over bricks in the back flushing stage due to the imbalance of the length-width ratio, so that the filter operation is safer, and the water distribution and the air distribution are more uniform. The pebble layer 202 is used as a supporting layer for supporting the quartz sand layer 203, and the quartz sand layer 203 can be used for realizing the filtration treatment of water to be treated so as to filter solid suspended substances SS in sewage.
In the second embodiment, as a further preferable scheme of the first embodiment, the surface of the sewage inlet pipe 4 is fixedly connected with a dosing pipe 19 through a tee joint. So that the carbon source can be added through the dosing tube 19, and the denitrification can be performed to remove the nitrate nitrogen in the water under the condition of adding the carbon source. The denitrification principle is realized by attaching a growing biomembrane on the surface of a filter material in the denitrification deep-bed filter tank 3, nitrate and nitrite in water are adsorbed by the biomembrane when sewage passes through a filter material layer in the denitrification deep-bed filter tank 3, and then reduced into nitrogen by denitrifying bacteria in the sewage, so that the nitrate nitrogen concentration of the effluent is reduced, and the effluent reaches the standard and is discharged.
In the third embodiment, as a further preferable scheme of the first embodiment, each set of vane assemblies 20 includes a plurality of inner rotary vanes 21 and an outer rotary ring 22, one end of each inner rotary vane 21 is connected with the rotary rod 207, the other end of each inner rotary vane 21 is fixedly connected to the inner circular surface of the outer rotary ring 22, the inner rotary vane 21 forms a forty-five degree included angle with the radial surface of the denitrification deep bed filter tank 2, and the inner rotary vanes 21 are arranged at the inner side of the outer rotary ring 22 in a clockwise or anticlockwise equiangular manner. By setting the diameter surface of the inner rotary blade 21 and the denitrification deep-bed filter tank 2 to be forty-five degrees, the stirring effect of the inner rotary blade 21 on the quartz sand layer 203 can be ensured. The stability of the inner rotary blade 21 during stirring is ensured by arranging the outer rotary ring 22.
In the fourth embodiment, as a further preferable scheme of the first embodiment, a guide frame 23 is fixedly installed on the upper surface of the inner cavity of the denitrification deep bed filter tank 2, a guide bearing is arranged in the middle of the guide frame 23, and the outer surface of the rotating rod 207 is rotatably connected with the guide frame 23 through the guide bearing. The guide frame 23 ensures the stability of the entire rotary lever 207 during rotation.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (6)
1. An automatic nitrogen driving system for a denitrification deep bed filter tank comprises a skid-mounted base (1), a denitrification deep bed filter tank (2) and a clear water tank (3), and is characterized in that: the denitrification deep-bed filter tank (2) and the clean water tank (3) are detachably arranged on the upper surface of the skid-mounted base (1), a sewage water inlet pipe (4) and a waste water discharge pipe (5) are respectively arranged in the middle of the side surface of the denitrification deep-bed filter tank (2), the bottom of the denitrification deep-bed filter tank (2) is connected with the output end of a back flushing fan (7) through an air pipe (6), the bottom of the denitrification deep-bed filter tank (2) is fixedly communicated with the clean water tank (3) through a connecting pipe (9), the bottom of the clean water tank (3) is connected with the input end of a back flushing water pump (8) through an input pipe (10), and the output end of the back flushing water pump (8) is communicated with the connecting pipe (9) through an output pipe (11); a clear water discharge pipe (12) is fixedly communicated with the side surface of the clear water tank (3);
the inner cavity of the denitrification deep-bed filter tank (2) is sequentially filled with an air water distribution layer (201), a pebble layer (202) and a quartz sand layer (203) from bottom to top, the air water distribution layer (201), the pebble layer (202) and the quartz sand layer (203) are mutually separated through a sieve plate (204), a rotating motor (206) is fixedly arranged on the upper surface of the denitrification deep-bed filter tank (2), a driving end shaft of the rotating motor (206) penetrates through the upper surface of the denitrification deep-bed filter tank (2) and is in transmission connection with a rotating rod (207), a plurality of groups of rotary vane assemblies (20) are fixedly arranged on the outer surface of the rotating rod (207), and the rotary vane assemblies (20) are positioned in the quartz sand layer (203).
2. An automatic nitrogen driving system for a denitrification deep bed filter according to claim 1, wherein: the denitrification deep bed filter tank is characterized in that a sewage water inlet (209) and a wastewater discharge outlet (210) are respectively arranged above two sides of the denitrification deep bed filter tank (2), the end part of the sewage water inlet pipe (4) is connected with the sewage water inlet (209), the end part of the wastewater discharge pipe (5) is connected with the wastewater discharge outlet (210), the sewage water inlet (209) and the wastewater discharge outlet (210) are both arranged above the quartz sand layer (203), and the sewage water inlet (209) is higher than the wastewater discharge outlet (210).
3. An automatic nitrogen driving system for a denitrification deep bed filter according to claim 2, wherein: the sewage inlet pipe (4) is close to one end of the denitrification deep-bed filter tank (2) and is provided with a water inlet valve (13), a backwash waste water valve (14) is arranged on the waste water outlet pipe (5), a backwash air valve (15) is arranged on the air pipe (6), a water outlet valve (16) is arranged at the position between a connecting port of the output pipe (11) and the clean water tank (3), a backwash water valve (17) is arranged on the output pipe (11), a PLC (18) is arranged on the skid-mounted base (1), and the signal output end of the PLC (18) is respectively connected with a backwash fan (7), a backwash water pump (8), a rotary motor (206), the water inlet valve (13), the backwash waste water valve (14), the backwash air valve (15), the water outlet valve (16) and the backwash water valve (17) in a signal mode.
4. An automatic nitrogen driving system for a denitrification deep bed filter according to claim 1, wherein: the surface of the sewage inlet pipe (4) is fixedly connected with a dosing pipe (19) through a tee joint.
5. An automatic nitrogen driving system for a denitrification deep bed filter according to claim 1, wherein: every group rotary vane assembly (20) all include a plurality of internal rotation leaf (21) and an outer ring (22), the one end of internal rotation leaf (21) is connected with bull stick (207), the other end fixed connection of internal rotation leaf (21) is at the interior round face of outer ring (22), internal rotation leaf (21) are forty-five degrees contained angles with the diameter face of denitrification deep bed filter tank (2), just internal rotation leaf (21) are clockwise or anticlockwise equiangular row in the inboard of outer ring (22).
6. An automatic nitrogen driving system for a denitrification deep bed filter according to claim 1, wherein: the denitrification deep bed filter tank is characterized in that a guide frame (23) is fixedly arranged on the upper surface of the inner cavity of the denitrification deep bed filter tank (2), a guide bearing is arranged in the middle of the guide frame (23), and the outer surface of the rotating rod (207) is rotationally connected with the guide frame (23) through the guide bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321405588.XU CN220012331U (en) | 2023-06-05 | 2023-06-05 | Automatic nitrogen-driving system for denitrification deep bed filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321405588.XU CN220012331U (en) | 2023-06-05 | 2023-06-05 | Automatic nitrogen-driving system for denitrification deep bed filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220012331U true CN220012331U (en) | 2023-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321405588.XU Active CN220012331U (en) | 2023-06-05 | 2023-06-05 | Automatic nitrogen-driving system for denitrification deep bed filter |
Country Status (1)
| Country | Link |
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| CN (1) | CN220012331U (en) |
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2023
- 2023-06-05 CN CN202321405588.XU patent/CN220012331U/en active Active
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