CN107285537B - Integrated sewage treatment system and method thereof - Google Patents
Integrated sewage treatment system and method thereof Download PDFInfo
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- CN107285537B CN107285537B CN201710414094.0A CN201710414094A CN107285537B CN 107285537 B CN107285537 B CN 107285537B CN 201710414094 A CN201710414094 A CN 201710414094A CN 107285537 B CN107285537 B CN 107285537B
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- 238000011282 treatment Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 151
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 238000006243 chemical reaction Methods 0.000 claims abstract description 57
- 238000001125 extrusion Methods 0.000 claims abstract description 50
- 238000005189 flocculation Methods 0.000 claims abstract description 7
- 230000016615 flocculation Effects 0.000 claims abstract description 7
- 238000001556 precipitation Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 74
- 230000000694 effects Effects 0.000 claims description 31
- 239000008394 flocculating agent Substances 0.000 claims description 23
- 239000000701 coagulant Substances 0.000 claims description 21
- 239000000126 substance Substances 0.000 claims description 19
- 239000012535 impurity Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 15
- 230000009471 action Effects 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 11
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- 239000000645 desinfectant Substances 0.000 claims description 8
- 230000001965 increasing effect Effects 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 8
- 231100000331 toxic Toxicity 0.000 claims description 7
- 230000002588 toxic effect Effects 0.000 claims description 7
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 6
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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
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
-
- 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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
- Physical Water Treatments (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention mainly discloses an integrated sewage treatment system, which adopts the technical scheme that: including the filtering area, settling zone and disinfection district, be equipped with extrusion filter equipment and vibration filter equipment in the filtering area, vibration filter equipment is located extrusion filter equipment's below, the settling zone is connected with the filtering area through first honeycomb duct, be equipped with in the settling zone and throw material device, agitating unit and rotary filter equipment, it is connected with agitating unit to throw the material device, rotary filter equipment includes the cartridge filter, reaction cylinder and rotating electrical machines, the inside at the cartridge filter is connected through the cylinder to the reaction cylinder, rotating electrical machines's pivot is connected with the bottom of cartridge filter, the disinfection district is connected with the settling zone through the second honeycomb duct, the top of second honeycomb duct is equipped with the water jet, still be equipped with baffling board and ultraviolet lamp in the disinfection district. The invention purifies the sewage through extrusion filtration, vibration filtration, flocculation precipitation and disinfection treatment, thereby achieving the purposes of simplifying the process, reducing the investment, enhancing the treatment efficiency, reducing the treatment cost and reducing the occupied area.
Description
Technical Field
The invention relates to an integrated sewage treatment system and a method thereof.
Background
Water is a non-renewable resource and also an essential important resource in the sustainable development of society, urban domestic sewage and industrial sewage are the main reasons for water pollution, and domestic sewage and industrial sewage contain a large amount of toxic and harmful microorganisms and chemical substances, more than 80% of the global wastewater is directly discharged without being effectively treated, so that the water area and the ecological environment are greatly polluted, the water safety of human beings and the water ecological environment are seriously damaged, the health and normal life of people are threatened, therefore, how to remove harmful substances in the wastewater by a sewage treatment means becomes beneficial, and the method is a common problem to be solved urgently in the current society. However, the existing domestic sewage treatment device has a large integral structure, large facility investment, high operation cost, wide occupied area, complex operation management, high cost and poor sewage treatment effect, along with the development of economy and the advance of urbanization, the discharge amount of industrial sewage is greatly increased, the urban population is rapidly increased, so that the sewage amount and the water quality entering the urban sewage treatment plant are greatly changed, mainly expressed by the large increase of the sewage amount and the improvement of the sewage inflow pollutant indexes.
Disclosure of Invention
The invention aims to provide an integrated sewage treatment system and a method thereof aiming at the defects of the prior art, and the integrated sewage treatment system and the method thereof achieve the purposes of simplifying the process, reducing the investment, enhancing the treatment efficiency, reducing the treatment cost and reducing the occupied area through multiple filtration, sedimentation and disinfection treatment.
In order to solve the technical problems, the invention adopts the following technical scheme:
an integrated sewage treatment system comprises a filtering area, a settling area and a disinfecting area, wherein an extrusion filtering device and a vibration filtering device are arranged in the filtering area, the extrusion filtering device comprises a movable air cylinder, an extrusion plate and a filtering layer, the movable air cylinder is connected to the top of the filtering area, a piston rod of the movable air cylinder is connected with the extrusion plate, the vibration filtering device is positioned below the extrusion filtering device, the settling area is connected with the filtering area through a first guide pipe, a feeding device, a stirring device and a rotary filtering device are arranged in the settling area, the feeding device is connected with the stirring device, the rotary filtering device comprises a filter cylinder, a reaction cylinder and a rotary motor, the reaction cylinder is connected inside the filter cylinder through an air cylinder, a rotating shaft of the rotary motor is connected with the bottom of the filter cylinder, the disinfecting area is connected with the settling area through a second guide pipe, the second guide pipe is arranged in the disinfecting area in a bending and upward manner, and, the disinfection area is also provided with a baffle plate and an ultraviolet lamp. The sewage enters the treatment system and is subjected to multiple treatment in three areas, namely a filtering area, a settling area and a disinfecting area, so that the sewage treatment effect is good, toxic and harmful substances in the sewage are effectively reduced, the water quality is improved, the sewage is convenient to reuse, and the water resource utilization rate is improved; the sewage is subjected to extrusion filtration and vibration filtration in the filtration area through the extrusion filtration device and the vibration filtration device respectively, the burden of a single device is reduced through double filtration, impurities contained in the sewage are effectively removed, and the filtration effect is improved; in the sewage settling zone, a feeding device is utilized to add a flocculating agent and a coagulant aid into the sewage to enable the sewage to react with the sewage, pollutants in the sewage are settled or flocculent suspended matters are formed, then the sewage is filtered and separated by a rotary filtering device to remove flocculent sediments, and the feeding device is connected with a stirring device, so that the flocculating agent and the coagulant aid are discharged from the stirring device, the contact area between the medicament and the sewage is increased, the utilization rate of the medicament is improved, the stirring device feeds the sewage while stirring, the medicament is enabled to be more uniformly contacted with the sewage, the diffusion area of the medicament is enlarged, and the flocculation reaction effect is improved; sewage is in the disinfection district, through crooked second honeycomb duct, prolongs the flow time of sewage in the disinfection district to further increase the time of sewage and ultraviolet lamp contact, improve the disinfection effect, then sewage from the water jet blowout, through the water jet with sewage atomization, enlarge the surface area of sewage, rethread baffling board changes the flow route of sewage, makes sewage and ultraviolet lamp contact range wider, and reaction effect is better.
Furthermore, the top of the filtering area is provided with a water inlet which is respectively positioned at the left side and the right side of the movable cylinder, and the top of the sterilizing area is provided with a feed inlet. The arranged water inlets enable the sewage to enter the filtering area for filtering treatment more quickly and uniformly, so that the treatment speed and the treatment effect are accelerated; the feed inlet that sets up is convenient for let in disinfectant and air to the disinfection district, improves disinfection treatment efficiency.
Furthermore, the filter layer is of a concave arc shape, the upper surface of the extrusion plate is of an umbrella shape, the lower surface of the extrusion plate is of a convex arc shape, the lower surface of the extrusion plate is matched with the filter layer, and the lower surface of the extrusion plate is provided with capillary fibers. The filtering layer is arranged in a concave arc shape, so that the sewage falling onto the filtering layer is concentrated on the concave part of the filtering layer, thereby facilitating the extrusion action of the extrusion plate; set up the upper surface of stripper plate to the umbrella-type, make the sewage that falls into on the stripper plate can be along umbrella-type face whereabouts, thereby drop on the filter layer, prevent that sewage from being detained on the stripper plate, thereby lead to handling not thorough, set up the lower surface and the filter layer phase-match of stripper plate, make stripper plate and filter layer more laminate, improve extrusion performance, the capillary fiber of setting is used for dispersing the granule impurity that glues together in the sewage, isolate the moisture that contains in impurity, improve dewatering efficiency.
Further, vibration filter equipment includes vibration board, coupling spring and vibrating motor, and the vibration board passes through coupling spring to be installed in the below of filter layer, and the below of vibration board is equipped with the link, and vibrating motor installs on the link. Vibrating motor drives the vibration board vibration to the sewage that makes to fall on the vibration board further filters and purifies, disperses the impurity that the adhesion is in the same place simultaneously, is convenient for break away from of moisture.
Further, the cross section of cartridge filter is the oval form of annular, and the reaction cylinder includes first arc and the second arc of mutual symmetry, connects through folding filter screen between first arc and the second arc, and first arc and second arc all are connected with the inside wall of cartridge filter through the cylinder. Drive being close to each other and keeping away from between first arc and the second arc through the cylinder to folding or the expansion of folding filter screen, be convenient for connection and separation between first arc and the second arc, thereby realize the encapsulated situation and the filtration state of reaction cylinder, be convenient for sewage and flocculating agent's reaction and filtration.
Furthermore, a first filtering hole is formed in the filter cartridge, a second filtering hole is formed in the folding filter screen, and the aperture of the second filtering hole is larger than that of the first filtering hole. The aperture of folding filter screen and the aperture setting on the cartridge filter for precipitate in the sewage carries out coarse filtration through folding filter screen earlier, then carries out the fine filtration through the cartridge filter, through secondary filter, improves the filter effect, alleviates cartridge filter and folding filter screen's work burden, increase of service life.
Furthermore, the feeding device comprises a feeding box, a first feeding pipe and a second feeding pipe, the feeding box is arranged at the top of the sedimentation area, the first feeding pipe is respectively connected with the feeding box and the second feeding pipe, and the second feeding pipe is connected with the stirring device. And a flocculating agent and a coagulant aid are placed in the feeding box, the flocculating agent and the coagulant aid are fed into the reaction cylinder through the first feeding pipe and the second feeding pipe, and the flocculating agent and the coagulant aid are fed while being stirred by the stirring device, so that the reaction speed is accelerated.
Further, agitating unit includes agitator motor, (mixing) shaft and stirring leaf, and agitator motor is connected with the agitator shaft, and the stirring leaf is installed on the (mixing) shaft, is equipped with first flow channel on the (mixing) shaft, and first flow channel is linked together with the second dog-house, is equipped with second flow channel and liquid outlet on the stirring leaf, and second flow channel is linked together with first flow channel, and the liquid outlet is located the upper surface and the lower surface of stirring leaf, and the liquid outlet is linked together with second flow channel. The stirring motor drives the stirring blades to rotate through the stirring shaft, and meanwhile, the flocculating agent and the coagulant aid in the feeding box enter the first flow channel from the second feeding pipe, then enter the second flow channel from the first flow channel, are discharged from the liquid outlet and enter the reaction cylinder to be fully contacted with sewage, so that the contact area is enlarged, and the reaction efficiency is improved.
The treatment method adopting the integrated sewage treatment system comprises the following steps:
(1) extrusion filtration
Adding original sewage into the filtering area through the two water inlets, enabling the sewage to fall onto the extrusion plate and the filtering layer, enabling the sewage falling onto the upper surface of the extrusion plate to slide downwards along the inclined radian of the umbrella-shaped surface of the extrusion plate and fall onto the filtering layer, enabling the sewage on the filtering layer to be accumulated to a concave part along the concave arc-shaped surface of the filtering layer, then starting the moving cylinder, enabling the extrusion plate to move downwards by the moving cylinder to enable the extrusion plate to be extruded at the concave part of the filtering layer, enabling substances smaller than the aperture of the filtering layer to pass through the filtering layer, and blocking the substances larger than the aperture of the filtering layer on the;
(2) vibration filtering
The sewage filtered by the filter layer falls onto the vibrating plate, the vibrating motor is started, and the vibrating motor drives the vibrating plate to vibrate, so that water flows through the vibrating plate, and particle impurities are left on the vibrating plate;
(3) flocculation precipitation
a. Starting the air cylinder, wherein the air cylinder respectively pushes the first arc-shaped plate and the second arc-shaped plate to be close to each other until the first arc-shaped plate and the second arc-shaped plate are tightly connected, so that the reaction cylinder is in a sealed state, and sewage storage and reaction between the sewage and a medicament are facilitated;
b. starting a water pump on the first flow guide pipe, and spraying the sewage filtered in the step (2) into the reaction cylinder from the filtering area along the first flow guide pipe from the spray head;
c. starting a feeding pump, enabling a flocculating agent and a coagulant aid in a feeding box to enter a first flow channel in a stirring shaft along a first feeding pipe and a second feeding pipe, then enter a second flow channel along the first flow channel, and respectively flow out of a liquid outlet of a stirring blade to penetrate into a water body, so that the contact range is enlarged, and the reaction efficiency is improved;
d. starting a stirring motor, wherein the stirring motor drives a stirring shaft and stirring blades to rotate, so that the flocculating agent and the coagulant aid are fully contacted with the sewage, the reaction speed is accelerated, and under the action of the flocculating agent and the coagulant aid, toxic and harmful substances dissolved in the sewage become precipitates or suspended matters and are separated from a water body;
e. after the reactor is settled, the cylinder is started again to enable the cylinder to push the first arc-shaped plate and the second arc-shaped plate to be away from each other respectively, so that the folding filter screen is unfolded, and the sewage in the reactor can flow out from the second filter holes to a position between the reactor and the filter cylinder;
f. simultaneously starting the rotating motor, driving the filter cylinder and the reaction cylinder to rotate simultaneously by the rotating motor, allowing the sewage to pass through the filtering action of the reaction cylinder under the centrifugal action, leaving the impurities with the particles larger than the second filtering holes in the reaction cylinder, discharging the substances with the particles smaller than the second filtering holes between the filter cylinder and the reaction cylinder, further filtering by the filter cylinder, leaving the impurities with the particles larger than the first filtering holes in the filter cylinder, discharging the substances with the particles smaller than the first filtering holes out of the filter cylinder and entering a settling zone, and increasing the filtering speed and improving the filtering effect by rotation;
(4) disinfection treatment
a. Starting a water pump on a second guide pipe, enabling the sewage filtered in the step (3) to enter a disinfection area from the settling area in a winding manner through the second guide pipe, prolonging the flowing time and route of the sewage, improving the ultraviolet disinfection effect, irradiating the sewage in the second guide pipe by an ultraviolet lamp, killing germs and bacteria in the sewage by using ultraviolet rays, and then spraying the sewage from a water spraying opening to atomize the sewage and increase the reaction area of the sewage;
b. in the sewage that enters into the disinfection district from the water jet spun, the baffling board plays and blocks, the guide effect to rivers, makes the velocity of flow slow down, and the flow increases, and ultraviolet sterilization disinfection processing is carried out once more to rivers in the disinfection district to the ultraviolet lamp simultaneously, through many times disinfection processing, improves the disinfection effect.
Further, in the step (4), after the sewage is sprayed out of the water spray opening to the disinfection area, a disinfectant is put into the disinfection area through the feed opening, the sewage is disinfected by the disinfectant, or air is introduced into the disinfection area through the feed opening, the air is photolyzed into oxygen atoms under the ultraviolet radiation emitted by the ultraviolet lamp, the oxygen atoms further react with oxygen to form ozone, and the sewage is disinfected and disinfected by the ozone.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. the sewage enters the treatment system and is subjected to multiple treatment in three areas, namely a filtering area, a settling area and a disinfecting area, so that the sewage treatment effect is good, toxic and harmful substances in the sewage are effectively reduced, the water quality is improved, the sewage is convenient to reuse, and the water resource utilization rate is improved;
2. the sewage is subjected to extrusion filtration and vibration filtration in the filtration area through the extrusion filtration device and the vibration filtration device respectively, the burden of a single device is reduced through double filtration, impurities contained in the sewage are effectively removed, and the filtration effect is improved;
3. in the sewage settling zone, a feeding device is utilized to add a flocculating agent and a coagulant aid into the sewage to enable the sewage to react with the sewage, pollutants in the sewage are settled or flocculent suspended matters are formed, then the sewage is filtered and separated by a rotary filtering device to remove flocculent sediments, and the feeding device is connected with a stirring device, so that the flocculating agent and the coagulant aid are discharged from the stirring device, the contact area between the medicament and the sewage is increased, the utilization rate of the medicament is improved, the stirring device feeds the sewage while stirring, the medicament is enabled to be more uniformly contacted with the sewage, the diffusion area of the medicament is enlarged, and the flocculation reaction effect is improved;
4. sewage is in the disinfection district, through crooked second honeycomb duct, prolongs the flow time of sewage in the disinfection district to further increase the time of sewage and ultraviolet lamp contact, improve the disinfection effect, then sewage from the water jet blowout, through the water jet with sewage atomization, enlarge the surface area of sewage, rethread baffling board changes the flow route of sewage, makes sewage and ultraviolet lamp contact range wider, and reaction effect is better.
The invention achieves the purposes of simplifying the process, reducing the investment, enhancing the treatment efficiency, reducing the treatment cost and reducing the occupied area through multiple filtration, sedimentation and disinfection treatment.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic view of an integrated sewage treatment system according to the present invention;
FIG. 2 is a schematic structural view of a filter cartridge according to the present invention;
FIG. 3 is a schematic structural view of a reaction cartridge according to the present invention;
FIG. 4 is a schematic view of the connection structure of the feeding device and the stirring device in the present invention;
FIG. 5 is a flow chart of a processing method in the present invention.
Reference numerals: 1. a filtration zone; 11. a water inlet; 2. a settling zone; 21. a first draft tube; 3. a sterile area; 31. a second draft tube; 32. a water jet; 33. a baffle plate; 34. an ultraviolet lamp; 35. a feed inlet; 4. an extrusion filter device; 41. a moving cylinder; 42. a pressing plate; 421. a capillary fiber; 43. a filter layer; 5. a vibration filter device; 51. a vibrating plate; 52. a connecting spring; 53. a vibration motor; 54. a connecting frame; 6. a feeding device; 61. a feeding box; 62. a first feeding pipe; 63. a second feeding pipe; 7. a stirring device; 71. a stirring motor; 72. a stirring shaft; 73. stirring blades; 74. a first flow channel; 75. a second flow path; 76. a liquid outlet; 8. rotating the filter device; 81. a filter cartridge; 811. a first filtering hole; 82. a reaction cylinder; 83. a rotating electric machine; 84. a cylinder; 85. a first arc-shaped plate; 86. a second arc-shaped plate; 87. folding the filter screen; 871. a second filtering hole.
Detailed Description
As shown in fig. 1-5, the integrated sewage treatment system of the present invention comprises a filtering zone 1, a settling zone 2 and a disinfecting zone 3, wherein sewage enters the treatment system and is subjected to multiple treatments in three areas, namely the filtering zone 1, the settling zone 2 and the disinfecting zone 3, such that a sewage treatment effect is good, and the three areas are integrated, such that capital investment is reduced, floor area is reduced, toxic and harmful substances in sewage are effectively reduced, water quality is improved, sewage can be reused conveniently, and water resource utilization rate is improved. The filtering area 1 is internally provided with an extrusion filtering device 4 and a vibration filtering device 5, the extrusion filtering device 4 comprises a moving cylinder 41, an extrusion plate 42 and a filtering layer 43, the moving cylinder 41 is connected to the top of the filtering area 1, a piston rod of the moving cylinder 41 is connected with the extrusion plate 42, the filtering layer 43 is in a concave arc shape, the upper surface of the extrusion plate 42 is in an umbrella shape, the lower surface of the extrusion plate 42 is in a convex arc shape, the lower surface of the extrusion plate 42 is matched with the filtering layer 43, and the lower surface of the extrusion plate 42 is provided with capillary fibers 421. The filter layer 43 is provided in a concave arc shape so that the contaminated water dropped onto the filter layer 43 is collected into the concave shape of the filter layer 43, thereby facilitating the pressing action of the pressing plate 42; set up the upper surface with stripper plate 42 to the umbrella-type, make the sewage that falls into on stripper plate 42 can fall along umbrella-type face, thereby drop on filter layer 43, prevent that sewage from being detained on stripper plate 42, thereby lead to handling thoroughly, set up stripper plate 42's lower surface and filter layer 43 phase-match, make stripper plate 42 and filter layer 43 more laminate, improve extrusion performance, the capillary fiber 421 of setting is used for dispersing the granule impurity that glues together in the sewage, isolate the moisture that contains in impurity, improve dewatering efficiency, still be used for dredging filter layer 43 simultaneously, prevent the jam of filter layer 43, guarantee the filter effect of filter layer 43. The vibration filter device 5 is positioned below the extrusion filter device 4, the vibration filter device 5 comprises a vibration plate 51, a connecting spring 52 and a vibration motor 53, the vibration plate 51 is arranged below the filter layer 43 through the connecting spring 52, a connecting frame 54 is arranged below the vibration plate 51, and the vibration motor 53 is arranged on the connecting frame 54. Vibrating motor 53 drives vibration board 51 vibration to the sewage that makes to fall on vibration board 51 further filters and purifies, disperses the impurity that the adhesion is together simultaneously, is convenient for breaking away from of moisture. The top of the filtering area 1 is provided with a water inlet 11, and the water inlet 11 is respectively positioned at the left side and the right side of the movable cylinder 41. A plurality of water inlets 11 that set up for sewage can enter into filtration district 1 more fast, more evenly and carry out filtration for processing speed and treatment effect. Sewage is in filtering area 1, carries out extrusion filtration and vibration filtration to sewage through extrusion filter equipment 4 and vibration filter equipment 5 respectively, through dual filtration, alleviates single device burden, effectively gets rid of the impurity that contains in the sewage, improves the filter effect.
Settling zone 2 is connected with filtering area 1 through first honeycomb duct 21, be equipped with in settling zone 2 and throw material device 6, agitating unit 7 and rotary filter 8, it is connected with agitating unit 7 to throw material device 6, rotary filter 8 includes cartridge filter 81, reaction cylinder 82 and rotating electrical machines 83, reaction cylinder 82 passes through cylinder 84 and connects the inside at cartridge filter 81, rotating electrical machines 83's pivot is connected with cartridge filter 81's bottom, cartridge filter 81's cross section is the oval form of annular, reaction cylinder 82 includes first arc 85 and the second arc 86 of mutual symmetry, connect through folding filter screen 87 between first arc 85 and the second arc 86, first arc 85 and second arc 86 all are connected with cartridge filter 81's inside wall through cylinder 84. Drive mutual being close to and keeping away from between first arc 85 and the second arc 86 through cylinder 84 to fold or expand folding filter screen 87, be convenient for first arc 85 and the second arc 86 between be connected and the separation, thereby realize the encapsulated situation and the filtration state of reaction cylinder 82, be convenient for sewage and flocculating agent's reaction and filtration. The filter cylinder 81 is provided with a first filtering hole 811, the folding filter screen 87 is provided with a second filtering hole 871, and the aperture of the second filtering hole 871 is larger than that of the first filtering hole 811. The aperture of folding filter screen 87 and the aperture setting on the cartridge filter 81 for precipitate in the sewage carries out coarse filtration through folding filter screen 87 earlier, then carries out the fine filtration through cartridge filter 81, through secondary filter, improves the filter effect, alleviates cartridge filter 81 and folding filter screen 87's work burden, increase of service life.
The feeding device 6 comprises a feeding box 61, a first feeding pipe 62 and a second feeding pipe 63, the feeding box 61 is arranged at the top of the sedimentation area 2, the first feeding pipe 62 is respectively connected with the feeding box 61 and the second feeding pipe 63, and the second feeding pipe 63 is connected with the stirring device 7. The flocculating agent and the coagulant aid are put into the feeding box 61, and are put into the reaction cylinder 82 through the first feeding pipe 62 and the second feeding pipe 63, and are stirred and fed by the stirring device 7, so that the reaction speed is accelerated. The stirring device 7 comprises a stirring motor 71, a stirring shaft 72 and a stirring blade 73, wherein the stirring motor 71 is connected with the stirring shaft 72, the stirring blade 73 is installed on the stirring shaft 72, a first flow channel 74 is arranged on the stirring shaft 72, the first flow channel 74 is communicated with the second feeding pipe 63, a second flow channel 75 and a liquid outlet 76 are arranged on the stirring blade 73, the second flow channel 75 is communicated with the first flow channel 74, the liquid outlet 76 is arranged on the upper surface and the lower surface of the stirring blade 73, and the liquid outlet 76 is communicated with the second flow channel 75. When the stirring motor 71 drives the stirring blades 73 to rotate through the stirring shaft 72, the flocculating agent and the coagulant aid in the feeding box 61 enter the first flow channel 74 from the second feeding pipe 63, then enter the second flow channel 75 from the first flow channel 74, and then are discharged from the liquid outlet 76 and enter the reaction cylinder 82 to be fully contacted with sewage, so that the contact area is enlarged, and the reaction efficiency is improved. Sewage enters the settling zone 2 through the first guide pipe 21, a flocculating agent and a coagulant aid are added into the sewage by using the feeding device 6, the sewage and the sewage react in the reaction cylinder 82, pollutants in the sewage are settled or flocculent suspended matters are formed, the sewage is filtered and separated by using the rotary filtering device 8, the reaction cylinder 82 and the filtering cylinder 81 are driven to rotate simultaneously by using the rotary motor 83, flocculent accumulated matters are removed, and the filtering speed is increased; through throwing material device 6 and agitating unit 7 and linking together to make flocculating agent and coagulant aid discharge from agitating unit 7 in, increased the area of contact between medicament and the sewage, improve the utilization ratio of medicament, agitating unit 7 throws the material while stirring, makes medicament and sewage contact more even, increases the diffusion area of medicament, improves the flocculation reaction effect.
The disinfection area 3 is connected with the sedimentation area 2 through a second guide pipe 31, the second guide pipe 31 is upwards arranged in the disinfection area 3 in a bending mode, a water spray opening 32 is formed in the top of the second guide pipe 31, a baffle plate 33 and an ultraviolet lamp 34 are further arranged in the disinfection area 3, a feed opening 35 is formed in the top of the disinfection area 3, and the feed opening 35 is convenient for introducing disinfectant and air into the disinfection area 3, so that the disinfection treatment efficiency is improved. Sewage is in disinfection district 3, through crooked second honeycomb duct 31, prolongs the flow time of sewage in disinfection district 3 to further increase the time of sewage and the 34 contact of ultraviolet lamp, improve the disinfection effect, then sewage is followed water jet 32 blowout, atomizes sewage through water jet 32, enlarges the surface area of sewage, and rethread baffling board 33 changes the flow path of sewage, makes sewage and the 34 contact range of ultraviolet lamp wider, and reaction effect is better.
The treatment method adopting the integrated sewage treatment system comprises the following steps:
(1) extrusion filtration
Adding original sewage into the filtering area 1 through the two water inlets 11, enabling the sewage to fall onto the extrusion plate 42 and the filtering layer 43, enabling the sewage falling onto the upper surface of the extrusion plate 42 to slide downwards along the inclined radian of the umbrella-shaped surface of the extrusion plate 42 and fall onto the filtering layer 43, enabling the sewage on the filtering layer 43 to be accumulated on a concave part along the concave arc-shaped surface of the filtering layer 43, then starting the moving cylinder 41, enabling the moving cylinder 41 to drive the extrusion plate 42 to move downwards, enabling the extrusion plate 42 to be extruded on the concave part of the filtering layer 43, enabling substances smaller than the aperture of the filtering layer 43 to pass through the filtering layer 43, and blocking the substances larger than the aperture of the filtering layer 43 on.
(2) Vibration filtering
The sewage filtered by the filter layer 43 falls on the vibration plate 51, the vibration motor 53 is started, the vibration plate 51 is driven by the vibration motor 53 to vibrate, so that the water flow passes through the vibration plate 51, and the particle impurities are left on the vibration plate 51.
(3) Flocculation precipitation
a. Starting the air cylinder 84, wherein the air cylinder 84 respectively pushes the first arc-shaped plate 85 and the second arc-shaped plate 86 to approach each other until the first arc-shaped plate 85 and the second arc-shaped plate 86 are tightly connected, so that the reaction cylinder 82 forms a sealed state, and is convenient for storing sewage and performing a reaction between the sewage and a medicament;
b. starting a water pump on the first draft tube 21, and spraying the sewage filtered in the step (2) into the reaction cylinder 82 from the filtering area 1 along the first draft tube 21 from a spray head;
c. starting a feeding pump, enabling the flocculating agent and the coagulant aid in the feeding box 61 to enter a first flow channel 74 in a stirring shaft 72 along a first feeding pipe 62 and a second feeding pipe 63, then enter a second flow channel 75 along the first flow channel 74, and then respectively flow out of a liquid outlet 76 of a stirring blade 73 to go deep into the water body, so that the contact range is enlarged, and the reaction efficiency is improved;
d. starting the stirring motor 71, driving the stirring shaft 72 and the stirring blades 73 to rotate by the stirring motor 71, so that the flocculating agent and the coagulant aid are fully contacted with the sewage, the reaction speed is accelerated, and under the action of the flocculating agent and the coagulant aid, toxic and harmful substances dissolved in the sewage become precipitates or suspended matters and are separated from the water body;
e. after the settling and standing, the air cylinder 84 is started again, so that the air cylinder 84 pushes the first arc-shaped plate 85 and the second arc-shaped plate 86 to be away from each other, the folded filter screen 87 is unfolded, and the sewage in the reaction cylinder 82 can flow out from the second filter hole 871 to the space between the reaction cylinder 82 and the filter cylinder 81;
f. start rotating electrical machines 83 simultaneously, rotating electrical machines 83 drives cartridge filter 81 and reaction section of thick bamboo 82 and rotates simultaneously, sewage is under centrifugal action, earlier through the filtering action of reaction section of thick bamboo 82, the impurity that is greater than the second filtration pore 871 with the granule is stayed in the reaction section of thick bamboo 82, discharge the material that the granule is less than the second filtration pore 871 between cartridge filter 81 and the reaction section of thick bamboo 82, then the further filtering action of cartridge filter 81, stay the impurity that the granule is greater than first filtration pore 811 in cartridge filter 81, discharge cartridge filter 81 with the substance that the granule is less than first filtration pore 811 and enter into settling zone 2, through rotatory, accelerate filter speed, improve the filter effect.
(4) Disinfection treatment
a. Starting a water pump on the second guide pipe 31, enabling the sewage filtered in the step (3) to enter the disinfection area 3 from the settling area 2 in a winding manner through the second guide pipe 31, prolonging the flowing time and route of the sewage, improving the ultraviolet disinfection effect, irradiating the sewage in the second guide pipe 31 by using an ultraviolet lamp 34, utilizing ultraviolet rays to eliminate germs and bacteria in the sewage, and then spraying the sewage from a water spraying opening 32 to atomize the sewage and increase the reaction area of the sewage;
b. from 32 spun sewage of water jet into disinfection district 3 in, baffling board 33 plays to block rivers, the guide effect, make the rivers velocity of flow slow down, the flow increases, ultraviolet lamp 34 carries out ultraviolet sterilization disinfection again to the rivers in disinfection district 3 simultaneously, put into disinfectant in 3 to disinfection district through feed inlet 35, utilize disinfectant to carry out disinfection treatment to sewage, perhaps let in the air to disinfection district 3 through feed inlet 35, the air photodissociation becomes the oxygen atom under the ultraviolet irradiation that ultraviolet lamp 34 sent, the oxygen atom further reacts with oxygen and forms ozone, utilize ozone to carry out sterilization disinfection treatment to sewage. The disinfection effect is improved by multiple disinfection treatments by multiple means.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.
Claims (8)
1. The utility model provides an integral type sewage treatment system, includes filtering zone, settling zone and disinfection district, its characterized in that: the device comprises a filtering area, a vibration filtering device, a squeezing plate, a settling area, a feeding device, a stirring device and a rotary filtering device, wherein the filtering area is internally provided with the squeezing plate, the vibration filtering device is positioned below the squeezing filtering device, the settling area is connected with the filtering area through a first guide pipe, the settling area is internally provided with the feeding device, the stirring device and the rotary filtering device, the feeding device is connected with the stirring device, the rotary filtering device comprises a filter cylinder, a reaction cylinder and a rotary motor, the reaction cylinder is connected inside the filter cylinder through an air cylinder, a rotating shaft of the rotary motor is connected with the bottom of the filter cylinder, the sterilizing area is connected with the settling area through a second guide pipe, and the second guide pipe is upwards arranged in the sterilizing area in a bending way, the top of the second flow guide pipe is provided with a water spray opening, the disinfection area is further provided with a baffle plate and an ultraviolet lamp, the cross section of the filter cylinder is in an annular elliptical shape, the reaction cylinder comprises a first arc-shaped plate and a second arc-shaped plate which are symmetrical to each other, the first arc-shaped plate and the second arc-shaped plate are connected through a folding filter screen, the first arc-shaped plate and the second arc-shaped plate are connected with the inner side wall of the filter cylinder through the air cylinder, the filter cylinder is provided with a first filter hole, the folding filter screen is provided with a second filter hole, and the aperture of the second filter hole is larger than that of the first filter hole.
2. The integrated sewage treatment system of claim 1, wherein: the top of filtering area is equipped with the water inlet, the water inlet is located respectively the left and right sides of moving the cylinder, the top of disinfection district is equipped with the feed inlet.
3. The integrated sewage treatment system of claim 1, wherein: the filter layer is concave arc, the upper surface of stripper plate is the umbrella-type, the lower surface of stripper plate is convex arc down, the lower surface of stripper plate with the filter layer phase-match, the lower surface of stripper plate is equipped with capillary fiber.
4. The integrated sewage treatment system of claim 1, wherein: the vibration filtering device comprises a vibration plate, a connecting spring and a vibration motor, the vibration plate is installed below the filter layer through the connecting spring, a connecting frame is arranged below the vibration plate, and the vibration motor is installed on the connecting frame.
5. The integrated sewage treatment system of claim 1, wherein: the feeding device comprises a feeding box, a first feeding pipe and a second feeding pipe, the feeding box is installed at the top of the settling area, the first feeding pipe is respectively connected with the feeding box and the second feeding pipe, and the second feeding pipe is connected with the stirring device.
6. The integrated sewage treatment system of claim 5, wherein: the stirring device comprises a stirring motor, a stirring shaft and a stirring blade, wherein the stirring motor is connected with the stirring shaft, the stirring blade is arranged on the stirring shaft, a first flow channel is arranged on the stirring shaft, the first flow channel is communicated with the second feeding pipe, a second flow channel and a liquid outlet are arranged on the stirring blade, the second flow channel is communicated with the first flow channel, the liquid outlet is arranged on the upper surface and the lower surface of the stirring blade, and the liquid outlet is communicated with the second flow channel.
7. The treatment method of the integrated sewage treatment system according to claim 1, wherein: the method comprises the following steps:
(1) extrusion filtration
Adding original sewage into the filtering area through the two water inlets, enabling the sewage to fall onto the extrusion plate and the filtering layer, enabling the sewage falling onto the upper surface of the extrusion plate to slide downwards along the inclined radian of the umbrella-shaped surface of the extrusion plate and fall onto the filtering layer, enabling the sewage on the filtering layer to be accumulated to a concave part along the concave arc-shaped surface of the filtering layer, then starting the moving cylinder, enabling the extrusion plate to move downwards by the moving cylinder to enable the extrusion plate to be extruded at the concave part of the filtering layer, enabling substances smaller than the aperture of the filtering layer to pass through the filtering layer, and blocking the substances larger than the aperture of the filtering layer on the;
(2) vibration filtering
The sewage filtered by the filter layer falls onto the vibrating plate, the vibrating motor is started, and the vibrating motor drives the vibrating plate to vibrate, so that water flows through the vibrating plate, and particle impurities are left on the vibrating plate;
(3) flocculation precipitation
a. Starting the air cylinder, wherein the air cylinder respectively pushes the first arc-shaped plate and the second arc-shaped plate to be close to each other until the first arc-shaped plate and the second arc-shaped plate are tightly connected, so that the reaction cylinder is in a sealed state;
b. starting a water pump on the first flow guide pipe, and spraying the sewage filtered in the step (2) into the reaction cylinder from the filtering area along the first flow guide pipe from the spray head;
c. starting a feeding pump to enable the flocculating agent and the coagulant aid in the feeding box to enter a first flow channel in the stirring shaft along a first feeding pipe and a second feeding pipe, then enter a second flow channel along the first flow channel, and then respectively flow out of a liquid outlet of the stirring blade to go deep into the water body;
d. starting a stirring motor, wherein the stirring motor drives a stirring shaft and stirring blades to rotate, so that the flocculating agent and the coagulant aid are fully contacted with the sewage, the reaction speed is accelerated, and under the action of the flocculating agent and the coagulant aid, toxic and harmful substances dissolved in the sewage become precipitates or suspended matters and are separated from a water body;
e. after the reactor is settled, the cylinder is started again to enable the cylinder to push the first arc-shaped plate and the second arc-shaped plate to be away from each other respectively, so that the folding filter screen is unfolded, and the sewage in the reactor can flow out from the second filter holes to a position between the reactor and the filter cylinder;
f. simultaneously starting the rotating motor, driving the filter cylinder and the reaction cylinder to rotate simultaneously by the rotating motor, allowing the sewage to pass through the filtering action of the reaction cylinder under the centrifugal action, leaving the impurities with the particles larger than the second filtering holes in the reaction cylinder, discharging the substances with the particles smaller than the second filtering holes between the filter cylinder and the reaction cylinder, further filtering by the filter cylinder, leaving the impurities with the particles larger than the first filtering holes in the filter cylinder, and discharging the substances with the particles smaller than the first filtering holes out of the filter cylinder and entering a settling zone;
(4) disinfection treatment
a. Starting a water pump on a second guide pipe, enabling the sewage filtered in the step (3) to enter a disinfection area from the settling area in a winding and upward mode through the second guide pipe, irradiating the sewage in the second guide pipe by an ultraviolet lamp, killing germs and bacteria in the sewage by using ultraviolet rays, and then spraying the sewage from a water spray port;
b. the sewage sprayed from the water spray opening enters the disinfection area, the baffle plate has the effects of blocking and guiding the water flow, the flow speed of the water flow is reduced, the flow is increased, and meanwhile, the ultraviolet lamp carries out ultraviolet sterilization and disinfection treatment on the water flow in the disinfection area again.
8. The integrated sewage treatment system treatment method according to claim 7, wherein: in the step (4), after the sewage is sprayed out of the water spray opening to the disinfection area, a disinfectant is put into the disinfection area through the feed opening, the sewage is disinfected by the disinfectant, or air is introduced into the disinfection area through the feed opening, the air is photolyzed into oxygen atoms under the ultraviolet radiation emitted by the ultraviolet lamp, the oxygen atoms further react with oxygen to form ozone, and the sewage is disinfected and disinfected by the ozone.
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