CN113248042B - Distributed domestic sewage high-efficiency nitrogen and phosphorus removal treatment system and treatment process thereof - Google Patents
Distributed domestic sewage high-efficiency nitrogen and phosphorus removal treatment system and treatment process thereof Download PDFInfo
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- CN113248042B CN113248042B CN202110489355.1A CN202110489355A CN113248042B CN 113248042 B CN113248042 B CN 113248042B CN 202110489355 A CN202110489355 A CN 202110489355A CN 113248042 B CN113248042 B CN 113248042B
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- 239000010865 sewage Substances 0.000 title claims abstract description 66
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 50
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 25
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 25
- 239000011574 phosphorus Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000008569 process Effects 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 238000001914 filtration Methods 0.000 claims abstract description 32
- 239000012535 impurity Substances 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 18
- 230000009471 action Effects 0.000 claims description 8
- 239000003814 drug Substances 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000007858 starting material Substances 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
- B01D29/965—Device for changing the inclination of the filtering element
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the field of domestic sewage treatment, in particular to a distributed domestic sewage high-efficiency nitrogen and phosphorus removal treatment system and a sewage treatment process, wherein a sewage filtering device comprises a box body, a water inlet assembly, a first filtering assembly and a first transmission device; the subassembly of intaking includes the water inlet, be located the rotation of water inlet below and fight, rotatory fighting passes through the articulated shaft and rotationally sets up in the box, rotatory fighting is including controlling first guiding gutter and the second guiding gutter of separating, first filtering component rotationally sets up in the box, first filtering component includes first filter, first rotor plate and second rotor plate, be provided with a plurality of waist shape holes on the first filter, the left end of first rotor plate is articulated with the left end of first filter, the right-hand member of second rotor plate is articulated with the right-hand member of first filter, the upper surface of first rotor plate and the upper surface of second rotor plate set up a plurality of cylinders, first rotor plate and second rotor plate evenly are provided with a plurality of limbers, in order to improve nitrogen and phosphorus removal processing system filtration efficiency.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to a distributed efficient domestic sewage nitrogen and phosphorus removal treatment system and a treatment process thereof.
Background
Domestic sewage is wastewater discharged in daily life of residents and mainly comes from residential buildings and public buildings, such as houses, institutions, schools, hospitals, shops, public places, industrial enterprise toilets and the like. One of the hazards brought by domestic sewage is eutrophication pollution, namely water quality pollution caused by excessive content of plant nutrient substances such as nitrogen, phosphorus and the like. In vast rural areas which account for nearly 90% of the total area of the country, 96% of villages do not have drainage channels and sewage treatment systems. A large amount of untreated domestic sewage is discharged through point sources and non-point sources, various pollutants are brought into rivers, various water sources are seriously polluted, and a plurality of ecological problems including cyanobacterial bloom and the like are caused.
Generally, a nitrogen and phosphorus removal treatment system is adopted to treat domestic sewage, and the nitrogen and phosphorus removal treatment system firstly filters all visible impurities of the sewage and then removes harmful substances such as nitrogen and phosphorus in the sewage. However, the existing nitrogen and phosphorus removal treatment system cannot filter impurities with small volume, and is easy to block during filtering, so that the treatment efficiency of the nitrogen and phosphorus removal treatment system is low.
Disclosure of Invention
The invention provides a distributed domestic sewage high-efficiency nitrogen and phosphorus removal treatment system and a treatment process thereof, which aim to solve the problem of low sewage filtration efficiency of the conventional nitrogen and phosphorus removal treatment system.
The invention relates to a distributed domestic sewage high-efficiency nitrogen and phosphorus removal treatment system and a treatment process thereof, which adopt the following technical scheme:
a distributed domestic sewage high-efficiency nitrogen and phosphorus removal treatment system comprises a sewage filtering device and a sewage nitrogen and phosphorus removal device, wherein the sewage filtering device comprises a box body, a water inlet assembly, a first filtering assembly and a first transmission device; the water inlet assembly comprises a water inlet and a rotary hopper positioned below the water inlet, the rotary hopper is rotatably arranged in the box body through a hinged shaft, the axis of the hinged shaft extends along the front-back direction, the rotary hopper comprises a first water chute and a second water chute which are separated from each other left and right, and a first stop block and a second stop block which are respectively positioned below the first water chute and the second water chute are arranged on the box body; the first filter assembly is rotatably arranged in the box body and comprises a first filter plate, a first rotating plate and a second rotating plate, a plurality of waist-shaped holes are formed in the first filter plate, the first rotating plate and the second rotating plate are arranged below the first filter plate, the left end of the first rotating plate is hinged to the left end of the first filter plate, the right end of the second rotating plate is hinged to the right end of the first filter plate, a plurality of cylinders are arranged on the upper surface of the first rotating plate and the upper surface of the second rotating plate, the plurality of cylinders are inserted into the corresponding waist-shaped holes in the rotating process, and a plurality of water through holes are uniformly formed in the first rotating plate and the second rotating plate; the first transmission device is configured to drive the corresponding first rotating plate or the second rotating plate to rotate upwards when the rotating bucket rotates towards the left side and the right side respectively.
Further, the first transmission device comprises a rope, a first fixing rod, two positioning shafts and a fixing block; the front end face of the articulated shaft is positioned in front of the box body and has a preset distance with the front side face of the box body; rope one end is fixed in first rotor plate other end and is fixed in the second rotor plate, and two location axles set up in the leading flank of box and about the vertical direction symmetry setting through the articulated shaft, and two location axles are walked around to the rope, and the fixed block sets up with the rope is fixed, and the fixed block is located between two location axles, and first dead lever one end is connected in the front end other end and the fixed block of articulated shaft and is connected.
The second filtering component comprises two upper bracket components which are arranged in front and back, a plurality of filter screens and filter screen frames which are arranged at intervals, the plurality of filter screens are connected through the filter screen frames to form an annular belt, the annular belt rotates around the two upper bracket components, the distance between the two upper bracket components is greater than the width of the filter screens, and the first filter plate penetrates through the annular belt; the second transmission device is configured to drive the annular belt to rotate in one direction when the rotating hopper rotates towards two sides; the agitating device is configured to cause floe within the housing to adhere to the filter screen.
Further, the upper bracket component comprises a support and a rotatable fixed shaft and two turnplates which are horizontally arranged, and the second filtering component further comprises a transmission shaft which is positioned on the front side of the box body and can drive the fixed shaft to rotate.
Further, the device also comprises a shell; the second transmission device also comprises a second fixed rod, a third fixed rod, a sliding block, a fixed frame, a cylindrical guide rail and a directional device; the shell is connected with the box body and is positioned below the box body; the one end that the second dead lever one end is fixed in the articulated shaft other end and is articulated with the one end of third dead lever, the other end and the slider of third dead lever articulate the setting, the mount sets up in the casing upper surface, the cylinder guide rail sets up on the mount, the cylinder guide rail includes rotation portion and spout, rotation portion is the cylinder, the spout is seted up in all sides and end-to-end connection of cylinder, the cylinder is connected with the transmission shaft, the slider is located the spout, orienting device sets up so that the slider unidirectional movement just drives the cylinder guide rail rotation and then drives the transmission shaft rotation on the spout in the spout.
Further, the orientation device comprises a stop block, a spring and a stop block rotating shaft; spring one end is connected the other end with the dog and is connected with the cylinder, the dog pivot sets up on the spout, the dog rotationally sets up in the dog pivot, the dog is provided with the spigot surface and blocks the face, the slider is through orienting device, at first extrudees the spigot surface and makes the spring compression, the slider resets through the back spring, blocks face and cylinder contact, can not take place to rotate under the cylinder barrier action when the slider extrusion blocks the face, and then makes the slider remove to the direction of keeping away from the dog.
Further, the stirring device comprises a motor, a power shaft, a first bevel gear, a second bevel gear, a driving shaft and a plurality of stirring paddles; the motor sets up in the side of casing, and the power shaft is located the casing and the level sets up one end and is connected the other end and be connected with first conical gear with the motor, and the vertical setting of driving shaft, the upper end of driving shaft are provided with second conical gear, second conical gear and the meshing of first conical gear, and a plurality of stirring rakes use the driving shaft as the even setting of center along the screw direction.
Furthermore, the two side faces of the inner wall of the box body are provided with water baffles inclining downwards, one ends of the water baffles are arranged on the inner wall of the box body, and the other ends of the water baffles extend towards the direction close to the central line of the shell body, so that water in the first water storage cavity and the second water storage cavity cannot flush garbage close to the inner wall of the box body.
Further, four side settings of first filter all are provided with the mounting panel, and the lower surface of the mounting panel of first filter front side and rear side is provided with the backup pad, and the right-hand member of first rotor plate and the left end of second rotor plate are supported to the backup pad.
A sewage treatment process of a distributed domestic sewage high-efficiency nitrogen and phosphorus removal treatment system comprises the following steps:
(1) sewage enters the rotary hopper from the water inlet, and when the sewage in the corresponding water guide groove is accumulated to a certain degree, the rotary hopper rotates to the position of the limiting block to drive the articulated shaft to rotate clockwise for a certain angle, the sewage flows out of the rotary hopper, flows to the first filter plate after the direction of the sewage is changed by the water baffle, and flows out along the inclined direction; the hinge shaft rotates and simultaneously drives the first fixed rod to rotate, and simultaneously drives the fixed block to move for a certain distance, so that the corresponding rotating plate rotates upwards for a certain angle, the first filter plate rotates, and then impurities on the other rotating plate move towards the inner wall close to the box body; along with the continuous rotation of the rotating hopper to the two sides, impurities on the first filter plate can be concentrated to the two sides of the first filter plate; the sewage after the filtration of the filter screen of first filter gets into the casing.
(2) After the starter motor, it is rotatory to drive the stirring rake, and the mixture of sewage after first filter filters and medicament, and the floccule body of production adsorbs on the filter screen, and the rotation of articulated shaft drives the rotation of girdle through second transmission and transmission shaft, and a plurality of filter screens that are stained with the floccule are rotated the top to first filter in proper order, are washed away the back by the rivers next time, filter on first filter plate once more.
The invention has the beneficial effects that: the distributed efficient domestic sewage nitrogen and phosphorus removal treatment system comprises a first filter assembly and a first filter assembly, wherein the first filter assembly rotates left and right within a preset range under the action of a first transmission device, so that impurities on the first filter plate are all accumulated on two sides of the first filter plate, the system is convenient to clean, the blocking probability is reduced, the filtering efficiency of a filter screen is improved, and the efficiency of the nitrogen and phosphorus removal treatment system is further improved.
Further, first filtering component at first carries out the prefilter and filters most impurity to sewage, is favorable to strengthening follow-up sewage flocculation's effect, makes the water filtration in the casing more abundant.
Further, utilize a plurality of filter screens in the clean second filtering component of sewage impact force, avoid a plurality of filter screens to glue the filtration efficiency who has too much impurity in order to improve the filter screen.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a perspective view of an embodiment of a distributed domestic sewage high efficiency denitrification and dephosphorization treatment system according to the present invention;
FIG. 2 is a front view of an embodiment of the system for high efficiency denitrification and dephosphorization of decentralized domestic sewage according to the present invention;
FIG. 3 is a left side view of an embodiment of the distributed domestic sewage high efficiency denitrification and dephosphorization treatment system of the present invention;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;
FIG. 5 is a perspective view of a first filter assembly in an embodiment of the system for high efficiency denitrification and dephosphorization treatment of decentralized domestic sewage according to the present invention;
FIG. 6 is an enlarged view at B of FIG. 5 showing a plurality of cylinders and a plurality of kidney-shaped holes when the second water chute impounds water;
FIG. 7 is a schematic view of the enlarged view at B of FIG. 5 showing a plurality of cylinders and a plurality of slots when the rotating bucket rotates clockwise;
FIG. 8 is a schematic view of a plurality of cylinders and a plurality of slots enlarged at B in FIG. 5 when the rotating bucket contacts the second stopper;
FIG. 9 is a perspective view of a cylindrical guide rail in an embodiment of the system for high efficiency denitrification and dephosphorization treatment of decentralized domestic sewage according to the present invention;
FIG. 10 is a side view of a cylindrical guide rail in an embodiment of the high efficiency denitrification and dephosphorization treatment system for decentralized domestic sewage according to the present invention;
FIG. 11 is a partial cross-sectional view taken along line B-B of FIG. 10;
fig. 12 is an enlarged view at C in fig. 11.
In the figure: 1. a water intake assembly; 101. a water inlet; 102. a box body; 103. a second stopper; 109. a first stopper; 104. a water baffle; 105. hinging a shaft; 106. rotating the bucket; 2. a first filter assembly; 201. a cover plate; 202. a first filter plate; 2021. a waist-shaped hole; 203. a first rotating plate; 204. a first rotating shaft; 205. a second rotating plate; 206. a second rotation shaft; 208. a screen shaft; 301. a first fixing lever; 302. a fixed block; 303. positioning the shaft; 304. a rope; 305. a second fixing bar; 306. a third fixing bar; 307. a slider; 308. a cylindrical guide rail; 309. a fixed mount; 310. a stopper; 311. a stopper rotating shaft; 312. a spring; 4. a second filter assembly; 401. a filter screen; 402. a turntable; 403. a screen frame; 404. an upper bracket assembly; 405. a drive shaft; 5. a stirring device; 501. a stirring paddle; 502. a motor; 503. a first conical tooth; 6. a medicament chamber; 313. a guide surface; 314. a blocking surface; 209. and a support plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the decentralized domestic sewage high-efficiency nitrogen and phosphorus removal treatment system comprises a sewage filtering device and a sewage nitrogen and phosphorus removal device (not shown in the figures), and as shown in fig. 1 to 12, the sewage filtering device comprises a box body 102, a water inlet assembly 1, a first filtering assembly 2 and a first transmission device. The water inlet assembly 1 comprises a water inlet 101 and a rotating bucket 106 positioned below the water inlet 101, the water inlet 101 is arranged at the geometric center of the upper surface of the box body 102, the rotating bucket 106 is rotatably arranged in the box body 102 through a hinge shaft 105, the axis of the hinge shaft 105 extends along the front-rear direction, the rotating bucket 106 comprises a first water chute and a second water chute which are separated from each other left and right, a first stop block 109 and a second stop block 103 which are respectively positioned below the first water chute and the second water chute are arranged on the box body 102, and the first stop block 109 and the second stop block 103 are used for limiting the angle of the rotating bucket 106 rotating towards two sides, so that the stop block cannot turn over after the bottom plate of the rotating bucket 106 contacts with the first stop block 109 or the second stop block 103. The first filter assembly 2 is rotatably disposed in the box 102, the first filter assembly 2 includes a first filter plate 202, a first rotating plate 203 and a second rotating plate 205, a plurality of waist-shaped holes 2021 are disposed on the first filter plate 202, the left end of the first rotating plate 203 is hinged to the left end of the first filter plate 202, the first rotating plate 203 can rotate relative to the first filter plate 202, the right end of the second rotating plate 205 is hinged to the right end of the first filter plate 202, the second rotating plate 205 can rotate relative to the first filter plate 202, a plurality of cylinders are disposed on the upper surface of the first rotating plate 203 and the upper surface of the second rotating plate 205, the diameter of each cylinder is smaller than the length of each waist-shaped hole 2021 and can contact with the arc-shaped surfaces at the two ends of each waist-shaped hole 2021, the plurality of cylinders are inserted into the corresponding waist-shaped holes 2021 during the rotation, and a plurality of water through holes are uniformly disposed on the first rotating plate 203 and the second rotating plate 205. The first transmission device is configured to drive the right end of the corresponding first rotating plate 203 and the left end of the corresponding second rotating plate 205 to rotate upwards when the rotating bucket 106 rotates towards the left and right sides.
In this embodiment, mounting plates are provided on four sides of the first filter plate 202, and support plates 209 are connected to the lower surfaces of the mounting plates on the front and rear sides of the first filter plate 202, and the support plates 209 can support the right end of the first rotating plate 203 or the left end of the second rotating plate 205. The mounting plates of the front and rear sides of the first filter plate 202 are each provided with a screen shaft 208, the axes of the two screen shafts 208 extend in the front-rear direction, and the two screen shafts 208 are rotatably connected within the case 102. The first filter plate 202 includes left and right two downwardly extending fixed plates, the first rotating plate 203 is hinged to the fixed plate located at the left side of the first filter plate 202 by a first rotating shaft 204, and the second rotating plate 205 is hinged to the fixed plate located at the right side of the first filter plate 202 by a second rotating shaft 206.
In this embodiment, the device further includes a housing, which is connected to the box 102 and located below the box 102. The filter is characterized by further comprising a second filter component 4 and a stirring device 5 which are arranged below the first filter component 2, the second filter component 4 and the stirring device 5 are partially positioned in the shell, the second filter component 4 comprises two upper support components 404 which are arranged front and back, a plurality of filter screens 401 and a filter screen frame 403 which are arranged at intervals, the plurality of filter screens 401 are connected through the filter screen frame 403 to form an annular belt, the annular belt rotates around the two upper support components 404, the distance between the two upper support components 404 is larger than the width of the filter screens 401, the first filter plate 202 penetrates through the annular belt, the lower part of the annular belt is positioned in the shell, the upper support components 404 are arranged on the bottom wall surface of the shell, and the upper support components 404 are connected with the lower part of the annular belt to position the lower end of the annular belt and enable the annular belt to rotate. The second transmission device is configured to drive the endless belt to rotate in one direction under the action of the second transmission device when the rotating bucket 106 rotates towards two sides. The agitator 5 is configured to cause floe within the housing to be drawn onto the filter screen 401.
In this embodiment, the first transmission device includes a rope 304, a first fixing rod 301, two positioning shafts 303 and a fixing block 302. The hinge shaft 105 extends forward out of the case 102 with a predetermined distance from the front surface of the case 102. Rope 304 one end is fixed in first rotor 203 other end and is fixed in second rotor 205, and two location axles 303 set up in the leading flank of box 102 and about being located the left and right sides of articulated shaft 105, and two location axles 303 are walked around to rope 304, and fixed block 302 is fixed with rope 304 and sets up, and fixed block 302 is located between two location axles 303, and first dead lever 301 one end is fixed on articulated shaft 105, and the other end is connected with fixed block 302. The rotation of the rotating bucket 106 can drive the fixed block 302 to move leftwards or rightwards through the first fixed rod 301, the fixed block 302 moves leftwards to drive the second rotating plate 205 to rotate upwards when the rotating bucket 106 rotates clockwise, and the fixed block 302 moves rightwards to drive the first rotating plate 203 to rotate upwards when the rotating bucket 106 rotates anticlockwise. The first rotation plate 203 and the second rotation plate 205 can drive the rotation of the first filter plate 202 when rotating to a preset angle, the first rotation plate 203 rotates to a preset angle, the left end of the first filter plate 202 is higher than the right end, and then impurities on the second rotation plate 205 move to the right side, the second rotation plate 205 rotates to a preset angle, the left end of the first filter plate 202 is lower than the right end, and then impurities on the first rotation plate 203 move to the left side, and the impurities on the first filter plate 202 are concentrated at the left end and the right end of the first filter plate 202 repeatedly. The mounting panel of the first filter 202 left and right sides is provided with detachable apron 201, can clear up when the impurity of first filter 202 is more. In the initial state, the tilting state of the rotating bucket 106 and the first filter plate 202 is reversed.
In this embodiment, the upper bracket assembly 404 includes a bracket and two rotating discs 402 horizontally disposed with a rotatably fixed shaft. The fixed axle sets up on the support, and two carousels set up on the fixed axle, and second filtering component 4 still includes the transmission shaft 405 that can drive the fixed axle pivoted that is located the box front side.
In this embodiment, the second transmission device further comprises a second fixed rod 305, a third fixed rod 306, a sliding block 307, a fixed frame 309, a cylindrical guide rail 308 and an orientation device. Second dead lever 305 one end is fixed in articulated shaft 105 other end and is articulated with the one end of third dead lever 306, the other end and the slider 307 of third dead lever 306 are articulated to be set up, mount 309 sets up in the casing upper surface, cylindrical guide 308 sets up on mount 309, cylindrical guide 308 includes rotation post and spout, the spout is seted up in the week side of rotation post and end to end connection, it is coaxial fixed with transmission shaft 405 to rotate the post, slider 307 is located the spout, orienting device sets up in the spout so that slider 307 unidirectional movement on the spout, second dead lever 305, third dead lever 306, slider 307 forms crank slider mechanism, when making 105 rotate, slider 307 removes, the cooperation of slider and spout drives cylindrical guide 308 rotatory and then drives transmission shaft 405 rotatory.
In this embodiment, the orientation device includes a stopper 310, a spring 312, and a stopper rotation shaft 311. One end of a spring 312 is connected with a stop block 310, the other end of the spring is connected with a cylinder, a stop block rotating shaft 311 is arranged on a sliding groove, the stop block 310 is rotatably arranged on the stop block rotating shaft 311, the stop block 310 is provided with a guide surface 313 and a stop surface 314 which are adjacent to each other, a slider 307 passes through an orienting device to form a structure similar to a ratchet wheel, the guide surface 313 is firstly extruded to compress the spring 312, the slider 307 is reset through a rear spring 312, the stop surface 314 is contacted with the cylinder, the slider 307 can not rotate under the action of cylinder blocking when extruding the stop surface 314, and then the slider 307 moves towards the direction far away from the stop block 310.
In the present embodiment, the stirring device 5 includes a motor 502, a power shaft, a first bevel gear 503, a second bevel gear, a drive shaft, and a plurality of stirring paddles 501. Motor 502 sets up in the side of casing, the power shaft is located the casing and the level sets up one end and is connected the other end with motor 502 and be connected with first conical gear 503, the vertical setting of driving shaft, the upper end of driving shaft is provided with second conical gear, second conical gear and the meshing of first conical gear 503, a plurality of stirring rake 501 are evenly set up along the helical direction of driving shaft, the driving shaft rotation drives a plurality of stirring rakes 501 rotations, and then the rotation that drives the casing water-logging makes the floccule body in the aquatic adsorb on the filter screen 401.
In this embodiment, the two side surfaces of the inner wall of the box 102 are both provided with water baffles 104 inclined downwards, one end of each water baffle 104 is arranged on the inner wall of the box 102, and the other end of each water baffle 104 extends towards the direction close to the center line of the shell, so that the water in the first water chute and the second water chute is prevented from directly flushing the garbage close to the inner wall of the box 102, the water can be guided to flow towards the lower part of the filter plate, and the garbage collection is facilitated. The shell is used for collecting the filtered domestic sewage, the lower end of the shell is provided with a water pump (not shown in the figure), and the water pump is used for pumping the water in the shell into a sewage nitrogen and phosphorus removal device (not shown in the figure).
The working process of the embodiment is as follows:
during initial state, rotatory fill 106 inclines to the left, and in the sewage got into the second guiding gutter from water inlet 101 at the beginning, after second guiding gutter sewage accumulation to a certain extent, rotatory fill 106 clockwise rotation to second stopper 103 department, sewage flowed out from the first guiding gutter, flowed to first filter 202 department after breakwater 104 redirecting, flowed out along the direction of slope, and impurity in the sewage drives first filter 202.
The rotating bucket 106 rotates clockwise and simultaneously drives the hinge shaft 105 to rotate clockwise for a certain angle, the hinge shaft 105 rotates and simultaneously drives the first fixing rod 301 to rotate clockwise for a certain angle, the first fixing rod 301 rotates clockwise for a certain angle and drives the fixing block 302 to move leftwards, the rope 304 is tensioned to the left side and drives the second rotating plate 205 to rotate upwards, the second rotating plate 205 rotates to a preset angle, the right end of the first filter plate 202 is higher than the left end, at the moment, the upper surfaces of a plurality of cylinders on the second rotating plate 205 are positioned above the upper surface of the first filter plate 202, impurities on the right side of the upper cylinders on the second rotating plate 205 cannot move to the left side of the cylinders, the upper surfaces of the plurality of cylinders on the first rotating plate 203 are flush with the upper surface of the first filter plate 202, the impurities of the first rotating plate 203 are moved to the left side of the first rotating plate 203 by the impulsive force of the water.
Because the rotating bucket 106 rotates clockwise to enable the partition board to rotate through the water inlet, the first water chute accumulates water, and after the sewage in the first water chute is accumulated to a certain degree, the rotating bucket 106 rotates anticlockwise to drive the hinge shaft 105 to rotate anticlockwise by a certain angle, the hinge shaft 105 rotates to drive the first fixing rod 301 to rotate anticlockwise by a certain angle, the first fixing rod 301 rotates anticlockwise by a certain angle to drive the fixing block 302 to move rightwards, the rope 304 is tensioned to the right side to drive the first rotating plate 203 to rotate upwards, the first rotating plate 203 rotates to a preset angle, so that the left end of the first filter plate 202 is higher than the right end, at the moment, the upper surfaces of a plurality of cylinders on the first rotating plate 203 are positioned above the upper surface of the first filter plate 202, so that impurities on the left sides of the plurality of cylinders on the first rotating plate 203 cannot move to the right side of the cylinders under the action of the impulsive force of water, and the upper surfaces of the plurality of cylinders on the second rotating plate 205 are flush with the upper surface of the first filter plate 202, the foreign matter on the second rotating plate 205 moves to the right side by the impulsive force of water. The impurities on the first filter plate 202 are concentrated to both sides by a plurality of times of reciprocating.
The water filtered by the first filter plate 202 enters the housing through the water holes on the first rotating plate 203 and the second rotating plate 205, the medicine chamber 6 is filled with the related medicine, the motor 502 is started, the motor 502 drives the stirring paddles 501 on the driving shaft to rotate, the medicine and the sewage are combined to generate floccules, and the stirring paddles 501 rotate to enable the floccules of the housing to be adsorbed on the filter screens 401.
The rotating bucket 106 rotates clockwise and then rotates anticlockwise, the sliding block 307 is driven to move left and right at the fixing frame 309, the sliding block 307 enables the sliding groove to move in a single direction under the action of the orienting device along the sliding groove in the cylindrical guide rail 308, the cylindrical guide rail 308 is driven to rotate in a single direction, the cylindrical guide rail 308 drives the transmission shaft 405 to rotate in a single direction, the annular belt is driven to rotate through the fixing shaft and the rotating disc 402, flocculent objects on the annular belt pass through the upper part of the first filter plate 202, and the flocculent objects on the annular belt are filtered by the first filter plate 202 again under the action of impulsive force of sewage of the rotating bucket 106.
After the sewage is completely filtered, the water pump is started to pump the water in the shell into a sewage denitrification and dephosphorization device (not shown in the figure). The cover plate 201 is periodically opened to clean impurities accumulated on the left and right sides of the first filter plate 202.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a high-efficient nitrogen and phosphorus removal processing system of distributed domestic sewage, includes sewage filter equipment and sewage nitrogen and phosphorus removal device, its characterized in that: the sewage filtering device comprises a box body, a water inlet assembly, a first filtering assembly and a first transmission device; the water inlet assembly comprises a water inlet and a rotary hopper positioned below the water inlet, the rotary hopper is rotatably arranged in the box body through a hinged shaft, the axis of the hinged shaft extends along the front-back direction, the rotary hopper comprises a first water chute and a second water chute which are separated from each other left and right, and a first stop block and a second stop block which are respectively positioned below the first water chute and the second water chute are arranged on the box body; the first filter assembly is rotatably arranged in the box body and comprises a first filter plate, a first rotating plate and a second rotating plate, a plurality of waist-shaped holes are formed in the first filter plate, the first rotating plate and the second rotating plate are arranged below the first filter plate, the left end of the first rotating plate is hinged to the left end of the first filter plate, the right end of the second rotating plate is hinged to the right end of the first filter plate, a plurality of cylinders are arranged on the upper surface of the first rotating plate and the upper surface of the second rotating plate, the plurality of cylinders are inserted into the corresponding waist-shaped holes in the rotating process, and a plurality of water through holes are uniformly formed in the first rotating plate and the second rotating plate; the first transmission device is configured to drive the corresponding first rotating plate or the second rotating plate to rotate upwards when the rotating hopper rotates towards the left side and the right side respectively; the first transmission device comprises a rope, a first fixed rod, two positioning shafts and a fixed block; the front end face of the articulated shaft is positioned in front of the box body and has a preset distance with the front side face of the box body; rope one end is fixed in first rotor plate other end and is fixed in the second rotor plate, and two location axles set up in the leading flank of box and about the vertical direction symmetry setting through the articulated shaft, and two location axles are walked around to the rope, and the fixed block sets up with the rope is fixed, and the fixed block is located between two location axles, and first dead lever one end is connected in the front end other end and the fixed block of articulated shaft and is connected.
2. The system of claim 1, wherein the system comprises: the second filtering component comprises two upper bracket components which are arranged in front and back, a plurality of filtering nets and filtering net racks which are arranged at intervals, the plurality of filtering nets are connected through the filtering net racks to form an annular belt, the annular belt rotates around the two upper bracket components, the distance between the two upper bracket components is larger than the width of the filtering nets, and the first filtering plate penetrates through the annular belt; the second transmission device is configured to drive the annular belt to rotate in one direction when the rotating hopper rotates towards two sides; the agitating device is configured to cause floe within the housing to adhere to the filter screen.
3. The system of claim 2, wherein the system comprises: the upper bracket component comprises a bracket and a rotatable fixed shaft and two turnplates which are horizontally arranged, and the second filtering component also comprises a transmission shaft which is positioned at the front side of the box body and can drive the fixed shaft to rotate.
4. The system of claim 2, wherein the system comprises: the device also comprises a shell; the second transmission device also comprises a second fixed rod, a third fixed rod, a sliding block, a fixed frame, a cylindrical guide rail and a directional device; the shell is connected with the box body and is positioned below the box body; the one end that the second dead lever one end is fixed in the articulated shaft other end and is articulated with the one end of third dead lever, the other end and the slider of third dead lever articulate the setting, the mount sets up in the casing upper surface, the cylinder guide rail sets up on the mount, the cylinder guide rail includes rotation portion and spout, rotation portion is the cylinder, the spout is seted up in all sides and end-to-end connection of cylinder, the cylinder is connected with the transmission shaft, the slider is located the spout, orienting device sets up so that the slider unidirectional movement just drives the cylinder guide rail rotation and then drives the transmission shaft rotation on the spout in the spout.
5. The system of claim 4, wherein the system comprises: the orientation device comprises a stop block, a spring and a stop block rotating shaft; spring one end is connected the other end with the dog and is connected with the cylinder, the dog pivot sets up on the spout, the dog rotationally sets up in the dog pivot, the dog is provided with the spigot surface and blocks the face, the slider is through orienting device, at first extrudees the spigot surface and makes the spring compression, the slider resets through the back spring, blocks face and cylinder contact, can not take place to rotate under the cylinder barrier action when the slider extrusion blocks the face, and then makes the slider remove to the direction of keeping away from the dog.
6. The system of claim 2, wherein the system comprises: the stirring device comprises a motor, a power shaft, a first bevel gear, a second bevel gear, a driving shaft and a plurality of stirring paddles; the motor sets up in the side of casing, and the power shaft is located the casing and the level sets up one end and is connected the other end and be connected with first conical gear with the motor, and the vertical setting of driving shaft, the upper end of driving shaft are provided with second conical gear, second conical gear and the meshing of first conical gear, and a plurality of stirring rakes use the driving shaft as the even setting of center along the screw direction.
7. The system of claim 1, wherein the system comprises: the two side faces of the inner wall of the box body are provided with water baffles inclining downwards, one ends of the water baffles are arranged on the inner wall of the box body, and the other ends of the water baffles extend towards the direction close to the central line of the shell body, so that water in the first water storage cavity and the second water storage cavity cannot flush garbage close to the inner wall of the box body.
8. The system of claim 1, wherein the system comprises: four side settings of first filter all are provided with the mounting panel, and the lower surface of the mounting panel of first filter front side and rear side is provided with the backup pad, and the right-hand member of first rotor plate and the left end of second rotor plate are supported to the backup pad.
9. The treatment process of the distributed efficient domestic sewage nitrogen and phosphorus removal treatment system according to any one of claims 1 to 8, wherein: the method comprises the following steps:
(1) sewage enters the rotary hopper from the water inlet, and when the sewage in the corresponding water guide groove is accumulated to a certain degree, the rotary hopper rotates to the position of the limiting block to drive the articulated shaft to rotate clockwise for a certain angle, the sewage flows out of the rotary hopper, flows to the first filter plate after the direction of the sewage is changed by the water baffle, and flows out along the inclined direction; the hinge shaft rotates and simultaneously drives the first fixed rod to rotate, and simultaneously drives the fixed block to move for a certain distance, so that the corresponding rotating plate rotates upwards for a certain angle, the first filter plate rotates, and then impurities on the other rotating plate move towards the inner wall close to the box body; along with the continuous rotation of the rotating hopper to the two sides, impurities on the first filter plate can be concentrated to the two sides of the first filter plate; the sewage filtered by the filter screen of the first filter plate enters the shell;
(2) after the starter motor, it is rotatory to drive the stirring rake, and the mixture of sewage after first filter filters and medicament, and the floccule body of production adsorbs on the filter screen, and the rotation of articulated shaft drives the rotation of girdle through second transmission and transmission shaft, and a plurality of filter screens that are stained with the floccule are rotated the top to first filter in proper order, are washed away the back by the rivers next time, filter on first filter plate once more.
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Denomination of invention: A decentralized high efficiency nitrogen and phosphorus removal treatment system for domestic sewage and its treatment process Effective date of registration: 20221210 Granted publication date: 20220329 Pledgee: Jiangsu Yixing Rural Commercial Bank Co.,Ltd. Heqiao Sub branch Pledgor: RUISHENG ENVIRONMENT CO.,LTD. Registration number: Y2022980026638 |
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