CN109368875B - Sewage filtering treatment device for removing suspended matters in water body and treatment method thereof - Google Patents
Sewage filtering treatment device for removing suspended matters in water body and treatment method thereof Download PDFInfo
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- CN109368875B CN109368875B CN201811508205.5A CN201811508205A CN109368875B CN 109368875 B CN109368875 B CN 109368875B CN 201811508205 A CN201811508205 A CN 201811508205A CN 109368875 B CN109368875 B CN 109368875B
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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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- 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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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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
- 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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Abstract
The invention discloses a sewage filtering treatment device for removing suspended matters in water and a treatment method thereof, the sewage filtering treatment device comprises a filtering outer cylinder container, a flocculation device, a centrifugal filtering component, a filtrate collecting cylinder, a sewage inlet pipe and a filtrate outlet pipe, wherein the filtering outer cylinder container is of an inner cavity structure, the filtrate collecting cylinder and the flocculation device are arranged in the filtering outer cylinder container, the centrifugal filtering component is arranged in the filtrate collecting cylinder, the centrifugal filtering component is rotatably arranged at an opening at the top end of the filtrate collecting cylinder, the sewage inlet pipe penetrates through the filtering outer cylinder container and is communicated with the flocculation device, the filtrate outlet pipe is communicated with the filtrate collecting cylinder and extends out of the filtering outer cylinder container, the flocculation device flocculates and settles the suspended matters in the water, the centrifugal filtering component centrifugally filters the water solution passing through the flocculation device, the filtrate collecting cylinder collects the water solution filtered by the centrifugal filtering component, can effectively remove suspended substances in the water body and deeply purify and treat sewage solution.
Description
Technical Field
The invention belongs to the field of sewage treatment, and particularly relates to a sewage filtering treatment device for removing suspended matters in a water body and a treatment method thereof.
Background
The municipal sewage treatment process generally determines the treatment degree of sewage and a corresponding treatment process according to the utilization or discharge direction of the municipal sewage and considering the natural purification capacity of a water body. The treated sewage, whether used for industrial, agricultural or recharge for groundwater, must meet the relevant water quality standards issued by the state. Modern sewage treatment technology is divided into primary, secondary and tertiary treatment technologies according to treatment degree. The first-stage sewage treatment uses physical methods, such as screening, sedimentation and the like, to remove insoluble suspended solids and floating substances in sewage, but in the current sewage treatment process, suspended solids in a water body are difficult to treat cleanly, and certain negative effects are generated in industrial recycling, so that the recycling effect is poor.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a sewage filtering treatment device for removing suspended matters in a water body and a treatment method thereof, which can effectively remove the suspended matters in the water body and deeply purify a sewage solution.
The technical scheme is as follows: in order to achieve the purpose, the technical scheme of the invention is as follows:
a sewage filtering treatment device for removing suspended matters in water comprises a filtering outer cylinder container, a flocculation device, a centrifugal filtering component, a filtrate collecting cylinder, a sewage inlet pipe and a filtrate outlet pipe, the filtering outer cylinder container is of an inner cavity structure, the filtrate collecting cylinder and the flocculation device are arranged in the filtering outer cylinder container, the centrifugal filtering component is arranged in the filtrate collecting cylinder, the centrifugal filtering component is rotationally arranged at an opening at the top end of the filtrate collecting cylinder, the sewage inlet pipe passes through the filtering outer cylinder container and is communicated with the inside of the flocculation device, the filtrate outlet pipe is communicated with the filtrate collecting cylinder and extends out of the container of the filtering outer cylinder, the flocculation device flocculates and settles suspended matters in the water body, the centrifugal filtering component centrifugally filters the water solution which passes through the flocculation device, and the filtrate collecting cylinder collects the water solution which is filtered by the centrifugal filtering component.
Furthermore, the filtrate collecting cylinder and the flocculation device are arranged in the filtering outer cylinder container at an upper-lower interval, the filtrate collecting cylinder is of a cylinder structure with an open top, the flocculation device comprises a flocculation precipitation cylinder, the flocculation precipitation cylinder is of a cylinder structure with an open top, the filtrate collecting cylinder and the flocculation precipitation cylinder are respectively coaxial with and arranged at an interval with the wall of the filtering outer cylinder container, and an annular filtrate circulating cavity is formed among the flocculation precipitation cylinder, the filtrate collecting cylinder and the filtering outer cylinder container; suspended matter in the flocculation precipitation cylinder forms supernatant after the flocculation precipitation, and the supernatant overflows to the filtrate circulation intracavity, and the supernatant overflows to the centrifugal filter assembly through the filtrate circulation intracavity.
Further, the top opening of a flocculation precipitation section of thick bamboo is conical shape's throat structure, the bottom of filtrating collecting vessel is provided with the annular ring that chokes the flow, the top at a flocculation precipitation section of thick bamboo is established to choked inter-annular distance cover, the chamber is overflowed to the space constitution supernatant that chokes the flow ring, the diapire of filtrating collecting vessel, flocculation precipitation section of thick bamboo, the supernatant spills over the chamber and is linked together with the filtrating circulation chamber.
Furthermore, the filtering outer cylinder container is of a convex structure, the filtering outer cylinder container comprises a first outer cylinder part with a small diameter at the upper part and a second outer cylinder part with a large diameter at the lower part, the flow blocking ring is arranged in the second outer cylinder part close to the turning point of the first outer cylinder part and the second outer cylinder part, the outer wall of the flow blocking ring is far away from the outer wall of the filtrate collecting cylinder and is biased to one side of the second outer cylinder part, and the flow blocking ring, the filtering outer cylinder container and the filtrate collecting cylinder form a step-shaped slow flow channel;
the plane of the turning position of the first outer cylinder part and the second outer cylinder part is provided with a filter ring, the filter ring is provided with a plurality of filter micropores in a penetrating manner, the filter ring is arranged in the filtrate circulation cavity, and the filter ring is positioned above the slow flow channel.
Further, still include the splitter ring of loop configuration, the splitter ring sets up in the bottom of choking the ring, the outside at a flocculation and precipitation section of thick bamboo is established to splitter ring interval cover, the diapire setting of urceolus container is filtered to splitter ring's bottom interval, and forms and strain the clear liquid passageway, the first filtrating circulation chamber and the second filtrating circulation chamber of inside and outside overall arrangement are separated into through the splitter ring to the filtrating circulation chamber, just first filtrating circulation chamber is through straining clear liquid passageway and second filtrating circulation chamber intercommunication setting.
Furthermore, the flow passage sectional area of the second filtrate circulation cavity is smaller than that of the first filtrate circulation cavity.
Furthermore, it is the tubular structure to filter the urceolus container, just the bottom of filtering the urceolus container is the inverted cone boss column structure, forms flocculent water conservancy diversion portion, flocculent water conservancy diversion portion and reposition of redundant personnel ring interval set up, just the top of flocculent water conservancy diversion portion is located the below of second filtrating circulation chamber.
Further, the centrifugal filter assembly comprises a rotating support plate and a rotating filter cylinder arranged below the rotating support plate, the rotating support plate is rotatably arranged on an opening at the top end of the filtrate collecting cylinder, a rotating shaft is coaxially arranged on the rotating support plate and extends out of the top end of the filtering outer cylinder container, at least one filtrate liquid inlet is formed in the rotating support plate in a penetrating manner, and the rotating filter cylinder is arranged corresponding to the filtrate liquid inlet; the rotary filter cylinder is of a cylinder structure with an opening at the top and filtrate micropores on the peripheral wall body, and the rotary filter cylinder separates the water solution flowing into the filtrate channel again through centrifugal filtration.
Furthermore, the flocculation device also comprises a coagulation component, the coagulation component comprises a stirring rod, a connecting rod, a circulating liquid outlet pipe, a circulating liquid inlet pipe and a medicament adding hopper, the stirring rod is of a rod body structure transversely arranged in the flocculation precipitation cylinder, the stirring rod is connected to the centrifugal filtering component through the connecting rod, and the stirring rod coaxially rotates in the flocculation precipitation cylinder at a high speed and disturbs the sewage solution in the flocculation precipitation cylinder to generate vortex water flow; circulation drain pipe intercommunication flocculation and precipitation section of thick bamboo and stretch out to filter the urceolus container outside, the solution in the flocculation and precipitation section of thick bamboo is taken out to the circulation drain pipe, circulation feed liquor pipe intercommunication flocculation and precipitation section of thick bamboo and stretch out to filter the urceolus container outside, just the circulation feed liquor pipe is sent back to the flocculation and precipitation section of thick bamboo with the solution that the circulation drain pipe was taken out in, the medicament adds to fight and sets up on circulation feed liquor pipe.
A sewage filtering treatment method for removing suspended matters in a water body comprises the following steps:
s1: sewage solution containing suspended matters is introduced into the flocculation precipitation cylinder from the sewage inlet pipe, the sewage solution is subjected to layered sedimentation in the flocculation precipitation cylinder, meanwhile, supernatant in the flocculation precipitation cylinder is pumped out by the circulating liquid outlet pipe through the water pump and is sent back into the flocculation precipitation cylinder again through the circulating liquid inlet pipe, a chemical agent adding hopper is arranged on the circulating liquid inlet pipe, chemical agents for enabling suspended matters in the solution to flocculate are continuously or intermittently added into the circulating liquid inlet pipe through the chemical agent adding hopper, and the chemical agents flow into the flocculation precipitation cylinder along with water in the circulating liquid inlet pipe, so that the chemical agents are mixed with the sewage solution in the flocculation precipitation cylinder and enable suspended matters in the sewage to flocculate;
s2: meanwhile, the rotating shaft rotates at a high speed, the centrifugal filtering component rotates at a high speed, the stirring rod synchronously rotates through the connecting rod, the stirring rod disturbs the sewage solution in the flocculation and precipitation cylinder to generate vortex-shaped water flow, and flocculated suspended matters and supernatant liquor form a state of upper and lower layers;
s3: with the continuous increase of the water solution of the sewage solution in the flocculation and precipitation cylinder, the supernatant which is subjected to primary sedimentation and stratification and sedimentation overflows the top opening of the flocculation and precipitation cylinder, and flows downwards to the first filtrate circulation cavity through the supernatant overflow cavity, and then flows to the static sedimentation cavity which is arranged at the bottom of the filtering outer cylinder container and is positioned below the flocculation and precipitation cylinder, and the supernatant naturally sediments in the static sedimentation cavity; standing the settled floccule and keeping the floccule in a static settling cavity, and allowing the layered aqueous solution to flow into a second filtrate channel through a filtrate channel;
s4: when the liquid capacity in the static precipitation cavity is gradually increased, the liquid at the bottom of the filtering outer cylinder container rises and is gradually filled into the supernatant fluid circulation cavity and the filtrate fluid circulation cavity, when the aqueous solution passes through the second filtrate fluid circulation cavity and the filtering ring, the flow speed of the aqueous solution is reduced through the slow flow channel, the aqueous solution is filtered again when passing through the filtering ring, the filtered floccule gradually falls downwards on the floccule guide part and finally falls into the static precipitation cavity, and meanwhile, the total path of the upward flow of the aqueous solution is prolonged through the vertically arranged second filtrate fluid circulation cavity, so that the floccule in the aqueous solution can be fully settled downwards under the action of self weight;
and when the water solution in the second filtrate flow cavity overflows upwards to the top end of the filtrate collecting cylinder, the water solution flows into the rotary filter cylinder, the water solution is filtered again under the high-speed rotation of the rotary filter cylinder, and the water solution passing through the rotary filter cylinder falls into the inner cavity of the filtrate collecting cylinder and is finally filtered.
Has the advantages that: according to the invention, the flocculation device, the filtering outer cylinder container and the centrifugal filtering component are used for flocculating, filtering, precipitating and centrifugally filtering the aqueous solution respectively, and suspended matters in the sewage are flocculated and then sequentially pass through the filtrate channels among the devices, so that not only can the precipitation path of the aqueous solution be prolonged and the sufficiency of precipitation be ensured, but also the effective separation of the suspended matters from the aqueous solution is ensured through filtration at all levels, and the rapid and high-quality deep purification treatment of the sewage solution is realized.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the overall structure of the present invention;
FIG. 3 is a schematic half-section of the overall structure of the present invention;
FIG. 4 is a state diagram of the overall wastewater treatment process of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 4, a sewage filtering treatment device for removing suspended matters in a water body comprises a filtering outer cylinder container 10, a flocculation device 11, a centrifugal filter assembly 13, a filtrate collecting cylinder 12, a sewage inlet pipe 15 and a filtrate outlet pipe 16, wherein the filtering outer cylinder container 10 is a cylinder structure with an inner cavity, the top end of the filtering outer cylinder container is openable, the filtrate collecting cylinder 12 and the flocculation device 11 are arranged in the filtering outer cylinder container 10, the centrifugal filter assembly 13 is arranged in the filtrate collecting cylinder 12, the filtrate collecting cylinder 12 is a cylinder container with an open top end, the centrifugal filter assembly 13 is rotatably arranged at the open top end of the filtrate collecting cylinder 12, the centrifugal filter assembly 13 is located inside the filtering outer cylinder container 10, the sewage inlet pipe 15 passes through the filtering outer cylinder container 10 and is communicated with the flocculation device 11, the filtrate outlet pipe 16 is communicated with the filtrate collecting cylinder 12 and extends out of the filtering outer cylinder container 10, the flocculation device 11 flocculates and settles suspended matters in the water body, the centrifugal filter assembly 13 centrifugally filters the water solution passing through the flocculation device 11, and the filtrate collecting cylinder 12 collects the water solution filtered by the centrifugal filter assembly 13. Carry out flocculation, filtration, sediment and centrifugal filtration to aqueous solution respectively through flocculation device, filtration urceolus container and centrifugal filtration subassembly, behind the suspended solid flocculation in the sewage, loop through the filtrating passageway between each device, guarantee the sufficiency of sediment to still filter through at different levels, guarantee the effective separation of suspended solid and aqueous solution, in order to carry out quick, high-quality deep purification to sewage solution.
Wherein, the arrangement mode of filtrating collection 12 and flocculation device 11 divide into two kinds, and one embodiment is, filtrating collection cylinder 12 is located the below of flocculation device 11, then after flocculation device 11 flocculates sewage solution, can form upper clear liquid and the deposit of layering from top to bottom, and direct the falling centrifugal filtration that carries out in the centrifugal filter subassembly behind the supernatant fluid spills over the flocculation device, and this kind of layout mode structure and overall arrangement are all comparatively simple, convenient.
The second embodiment is: the upper and lower intervals between the filtrate collection cylinder 12 and the flocculation device 11 are arranged in the filtering outer cylinder container 10, the filtrate collection cylinder 12 is of a cylinder structure with an open top, the flocculation device 11 comprises a flocculation precipitation cylinder 110, the flocculation precipitation cylinder 110 is of a cylinder structure with an open top, the filtrate collection cylinder 12 and the flocculation precipitation cylinder 110 are respectively coaxial with and spaced apart from the wall body of the filtering outer cylinder container 10, and an annular filtrate circulation cavity 20 is formed among the flocculation precipitation cylinder 110, the filtrate collection cylinder 12 and the filtering outer cylinder container 10; suspended matters in the flocculation precipitation cylinder 110 flocculate and precipitate to form supernatant, and the supernatant continuously overflows into the filtrate circulation cavity 20 along with the increase of the sewage solution in the flocculation precipitation cylinder, and overflows into the centrifugal filter assembly 13 through the filtrate circulation cavity 20; after the suspended solid in sewage flocculates, through the filtrate passageway 20 of vertical setting, not only can prolong the precipitation route of the suspended solid of the flocculation in the aqueous solution, guarantee the sufficiency that the suspended solid deposits, and still filter through at different levels, guarantee the effective separation of suspended solid and aqueous solution, from upwards rising gradually and overflowing from the lower of supernatant that overflows in the flocculation precipitation device 11, in this process, can prolong the route that the suspended solid subsides, simultaneously for the subsidence of suspended solid provides sufficient settling time, the suspended solid content that the reduction that can be by a wide margin flowed into in the solution in centrifugal filter subassembly 13.
The top opening of a section of thick bamboo 110 is conical shape's throat structure, the bottom of filtrating collecting vessel 12 is provided with annular choked flow ring 23, choked flow ring 23 interval cover is established in the top of a section of thick bamboo 110 that deposits that flocculates, choked flow ring 23, the diapire of filtrating collecting vessel 12, the space between a section of thick bamboo 110 that deposits that flocculates constitute the supernatant and spill over chamber 24, the supernatant spills over chamber 24 and filtrate circulation chamber 20 intercommunication. Through choking ring 23, can make the supernatant fluid that overflows from flocculation precipitation section of thick bamboo 110 top end opening part flow downwards, puddler 45 produces water vortex when the inside rotation of flocculation precipitation section of thick bamboo 110, throat column structure through the top opening part, can reduce the rivers disturbance that the supernatant fluid spills over the chamber, prevent its rivers disturbance that drives filtration liquid circulation chamber 20, guarantee the subsidence of flocculation thing, and the suspended solid of the flocculation in the aqueous solution is through blockking and colliding with choking ring 23, can accelerate the adhesion between the flocculation thing and subside, and through conical structure, make the flocculation thing fall into in filtration liquid circulation chamber 20 along with the circular cone inclination, and finally subside in the bottom of filtering outer cylinder container 10.
In a section of thick bamboo 110 is precipitated to flocculation, and the interval diapire is provided with layering filter plate 113, and this layering filter plate 113 is located the below of puddler 45, and the layering filter plate that separates is the filter plate structure that contains 1-5mm filtration pore, and under the high-speed rotation state of puddler, the solution in the section of thick bamboo is the vortex form disturbance to the flocculation, and the liquid that can make the bottommost through layering filter plate 113 is a relatively steady liquid environment, when the suspended solid of flocculation deposits the region below layering filter plate 113, can effectually prevent that the thing of flocculation that has deposited from being disturbed excessively.
The filtering outer cylinder container 10 is in a convex structure, the filtering outer cylinder container 10 comprises a first outer cylinder part 101 with a small diameter at the upper part and a second outer cylinder part 102 with a large diameter at the lower part, the flow blocking ring 23 is arranged in the second outer cylinder part 102 close to and spaced from the turning part of the first outer cylinder part 101 and the second outer cylinder part 102, the outer wall of the flow blocking ring 23 is offset towards one side of the second outer cylinder part 102 far away from the outer wall of the filtrate collecting cylinder 12, and the flow blocking ring 23 and the filtrate collecting cylinder 12 are in a convex structure, so that the flow blocking ring 23, the filtering outer cylinder container 10 and the filtrate collecting cylinder 12 form a step-shaped slow flow passage 103; when the water solution passes through the slow flow channel 103, a certain slow flow effect can be generated on the rising water flow, so that the water solution can rise and flow upwards very stably, the influence on flocculated suspended matters when the water flows fast is prevented, the flocculated suspended matters can be guaranteed to be settled stably, moreover, a filtering ring 17 is arranged on the plane of the turning position of the first outer cylinder part 101 and the second outer cylinder part 102, a plurality of filtering micropores 18 are formed in the filtering ring 17 in a penetrating manner, the filtering ring 17 is arranged in the filtrate circulating cavity 20 and is positioned above the slow flow channel 103, the filtering ring 17 is an annular plate with the filtering micropores, the aperture of the filtering micropores 18 is between 0.45 and 10 microns, and most suspended matters can be filtered.
Still include annular structure's splitter ring 21, splitter ring 21 sets up in the bottom of choking ring 23, the outside at a flocculation and precipitation section of thick bamboo 110 is established to splitter ring 21 interval cover, the diapire setting of urceolus container 10 is filtered to splitter ring 21's bottom interval, and forms and strain clear liquid passageway 22, first filtrating circulation chamber 201 and second filtrating circulation chamber 202 of inside and outside overall arrangement are separated into through splitter ring 21 to filtrating circulation chamber 20, just first filtrating circulation chamber 201 is through straining clear liquid passageway 22 and second filtrating circulation chamber 202 intercommunication setting. As the aqueous solution of the sewage solution in the flocculation and precipitation cylinder 110 continuously increases, the supernatant which is primarily stratified and settled overflows the top opening of the flocculation and precipitation cylinder 110, and flows downwards to the first filtrate circulation chamber 201 through the supernatant overflow chamber 24, and then flows to the static precipitation chamber 112 which is arranged at the bottom of the filtration outer cylinder container 10 and below the flocculation and precipitation cylinder 110, and the supernatant naturally settles in the static precipitation chamber 112; the settled floc is still and remains in the static settling chamber 112, and the layered aqueous solution flows into the second filtrate channel 202 through the filtrate channel 22; when the liquid capacity in the static precipitation chamber 112 is gradually increased, the liquid level at the bottom of the filter outer cylinder container is increased and gradually filled with the supernatant liquid circulation chamber 24 and the filtrate circulation chamber 20, and then the liquid level in the second filtrate circulation chamber 202 is only increased until the aqueous solution can flow into the centrifugal filter assembly 13, and the aqueous solution passing through the second filtrate circulation chamber 202 is settled aqueous solution with less suspended matter content in the water body; the cross-sectional area of the flow channel of the second filtrate circulation chamber 202 is smaller than that of the first filtrate circulation chamber 201, and due to the fact that the aqueous solution overflows from the top end of the flocculation precipitation cylinder, most of the flocculation suspended matters are settled in the first filtrate circulation chamber 201, the effective settling time and the effective settling channel of the aqueous solution containing flocculation need to be ensured, the width of the channel of the second filtrate circulation chamber 202 can be properly reduced, and the settled solution can flow upwards quickly. And the total upward flow path of the aqueous solution is prolonged by the first filtrate circulation chamber 201 and the vertically arranged second filtrate circulation chamber 202, so that the floccules in the aqueous solution can be fully settled downwards under the action of the self weight.
A sediment outlet 19 is formed on the bottom wall of the static sedimentation chamber 112, and when the content of the sediment in the static sedimentation chamber 112 is increased to a certain degree, the sediment is discharged through the sediment outlet.
The outer barrel container 10 is of a cylindrical structure, the bottom end of the outer barrel container 10 is of an inverted-cone boss-shaped structure, a floccule flow guide portion 25 is formed, the floccule flow guide portion 25 is arranged at a distance from the diverter ring 21, and the top end of the floccule flow guide portion 25 is located below the second filtrate circulation cavity 202. The aqueous solution is filtered again as it passes through the filter ring 17 and the filtered flocs gradually fall down onto the floc guide 25 and finally into the static settling chamber 112.
The centrifugal filter assembly 13 comprises a rotation support plate 31 and a rotation filter cylinder 33 arranged below the rotation support plate 31, the rotation support plate 31 is rotatably arranged on an opening at the top end of the filtrate collection cylinder 12, a rotating shaft 26 is coaxially arranged on the rotation support plate 31, the rotating shaft 26 extends out of the top end of the filter outer cylinder container 10, at least one filtrate liquid inlet 32 is arranged on the rotation support plate 31 in a penetrating manner, the rotation filter cylinder 33 is arranged corresponding to the filtrate liquid inlet 32, in this embodiment, three filtrate liquid inlets 32 are arranged at equal intervals, so that the rotation filter cylinder can rapidly filter aqueous solution; the rotary filter drum 33 is a hard cylinder structure with an open top and peripheral walls comprising filtrate micropores with a size less than 0.45 μm, and the rotary filter drum 33 separates the water solution flowing into the filtrate channel 20 again through centrifugal filtration, so that suspended matters in the water body can be trapped in the rotary filter drum 33.
The flocculation device 11 further comprises a coagulation component, the coagulation component accelerates the generation of flocculation of the aqueous solution in the flocculation precipitation cylinder, the coagulation component comprises a stirring rod 45, a connecting rod 46, a circulating liquid outlet pipe 41, a circulating liquid inlet pipe 42 and a chemical adding hopper 44, the stirring rod 45 is of a rod body structure transversely arranged in the flocculation precipitation cylinder 110, the stirring rod 45 is connected to the centrifugal filter component 13 through the connecting rod 46, that is, the connecting rod is coaxially connected with the rotating shaft 26, the stirring rod 45 coaxially rotates in the flocculation precipitation cylinder 110 at a high speed, and disturbs the sewage solution in the flocculation precipitation cylinder 110 to generate a vortex water flow; circulation drain pipe 41 communicates flocculation and deposits a section of thick bamboo 110 and stretches out to the outside of filtering urceolus container 10, circulation drain pipe 41 takes out the solution in the flocculation and deposits a section of thick bamboo 110, be provided with water pump 43 on the light path of circulation drain pipe 41 for make sewage liquid advance in the circulation, circulate between the drain pipe, circulation feed liquor pipe 42 communicates flocculation and deposits a section of thick bamboo 110 and stretch out to the outside of filtering urceolus container 10, just circulation feed liquor pipe 42 returns the solution that circulation drain pipe 41 was taken out to flocculation and deposits a section of thick bamboo 110 in, the medicament adds fill 44 and sets up on circulation feed liquor pipe 42. All be provided with the valve on the pipeline of circulation feed liquor pipe 42, circulation drain pipe 41, when adding the fill to the medicament and adding the medicament, close each valve, pause the pipeline circulation, open the medicament and add the fill and add the medicament, after adding the medicine, the opening that the closed sealed medicament added the fill opens the valve of pipeline, and the medicament then flows in following flowing liquid to the flocculation precipitation section of thick bamboo.
A sewage filtering treatment method for removing suspended matters in a water body comprises the following steps:
s1: sewage solution containing suspended matters is introduced into the flocculation and precipitation cylinder 110 from the sewage inlet pipe 15, the sewage solution is subjected to layered sedimentation in the flocculation and precipitation cylinder 110, meanwhile, supernatant in the flocculation and precipitation cylinder 110 is pumped out by the circulating liquid outlet pipe 41 through the water pump 43 and is sent back into the flocculation and precipitation cylinder 110 again through the circulating liquid inlet pipe 42, the circulating liquid inlet pipe 42 is provided with a reagent adding hopper 44, chemical reagents for enabling suspended matters in the solution to flocculate are continuously or intermittently added into the circulating liquid inlet pipe 42 through the reagent adding hopper 44, and the chemical reagents flow into the flocculation and precipitation cylinder 110 along with water in the circulating liquid inlet pipe 42, so that the chemical reagents and the sewage solution in the flocculation and precipitation cylinder 110 are mixed and flocculated;
s2: meanwhile, the rotating shaft 26 rotates at a high speed, the centrifugal filtering component 13 rotates at a high speed, the stirring rod 45 synchronously rotates through the connecting rod 46, the stirring rod 45 disturbs the sewage solution in the flocculation and precipitation cylinder 110 to generate vortex-shaped water flow, and the flocculated suspended matters and the supernatant form a state of upper and lower layering;
s3: as the aqueous solution of the sewage solution in the flocculation and precipitation cylinder 110 continuously increases, the supernatant which is primarily stratified and settled overflows the top opening of the flocculation and precipitation cylinder 110, and flows downwards to the first filtrate circulation chamber 201 through the supernatant overflow chamber 24, and then flows to the static precipitation chamber 112 which is arranged at the bottom of the filtration outer cylinder container 10 and below the flocculation and precipitation cylinder 110, and the supernatant naturally settles in the static precipitation chamber 112; the settled floc is still and remains in the static settling chamber 112, and the layered aqueous solution flows into the second filtrate channel 202 through the filtrate channel 22;
s4: when the liquid capacity in the static precipitation cavity 112 is gradually increased, the liquid at the bottom of the filtering outer cylinder container rises and is gradually filled with the supernatant liquid circulation cavity 24 and the filtrate circulation cavity 20, when the aqueous solution passes through the second filtrate circulation cavity 202 and the filtering ring 17, the flow rate of the aqueous solution is reduced through the slow flow channel 103, the aqueous solution is filtered again when passing through the filtering ring 17, the filtered floccule gradually falls downwards on the floccule guide part 25 and finally falls into the static precipitation cavity 112, and meanwhile, the total upward flow path of the aqueous solution is prolonged through the vertically arranged second filtrate circulation cavity 202, so that the floccule in the aqueous solution can be fully settled downwards under the action of self weight;
and when the aqueous solution in the second filtrate circulation chamber 102 overflows upwards to the top end of the filtrate collection cylinder 12, the aqueous solution flows into the rotary filter cylinder 33, the aqueous solution is filtered again under the high-speed rotation of the rotary filter cylinder 33, and the aqueous solution passing through the rotary filter cylinder 33 falls into the inner chamber of the filtrate collection cylinder 12 and is finally filtered.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (3)
1. The utility model provides a get rid of sewage filtration treatment device of water suspended solid which characterized in that: comprises a filtering outer cylinder container (10), a flocculation device (11), a centrifugal filtering component (13), a filtrate collecting cylinder (12), a sewage inlet pipe (15) and a filtrate outlet pipe (16), wherein the filtering outer cylinder container (10) is of an inner cavity structure, the filtrate collecting cylinder (12) and the flocculation device (11) are arranged in the filtering outer cylinder container (10), the centrifugal filtering component (13) is arranged in the filtrate collecting cylinder (12), the centrifugal filtering component (13) is rotatably arranged at the top opening of the filtrate collecting cylinder (12), the sewage inlet pipe (15) penetrates through the filtering outer cylinder container (10) and is communicated to the inside of the flocculation device (11), the filtrate outlet pipe (16) is communicated with the filtrate collecting cylinder (12) and extends out of the filtering outer cylinder container (10), the flocculation device (11) flocculates and settles suspended substances in water, the centrifugal filtering component (13) centrifugally filters the water solution passing through the flocculation device (11), the filtrate collecting cylinder (12) collects the water solution filtered by the centrifugal filter assembly (13);
the centrifugal filter assembly (13) comprises a rotating support disc (31) and a rotating filter cylinder (33) arranged below the rotating support disc (31), the rotating support disc (31) is rotatably arranged on an opening at the top end of the filtrate collecting cylinder (12), a rotating shaft (26) is coaxially arranged on the rotating support disc (31), the rotating shaft (26) extends out of the top end of the filter outer cylinder container (10), at least one filtrate liquid inlet (32) is formed in the rotating support disc (31) in a penetrating manner, and the rotating filter cylinder (33) and the filtrate liquid inlet (32) are correspondingly arranged; the rotary filter cylinder (33) is of a cylinder structure with an open top and filtrate micropores on the peripheral wall body, and the rotary filter cylinder (33) separates the water solution flowing into the filtrate channel (20) again through centrifugal filtration;
the filtrate collecting barrel (12) and the flocculation device (11) are arranged in the filtering outer barrel container (10) at intervals from top to bottom, the filtrate collecting barrel (12) is of a barrel structure with an open top, the flocculation device (11) comprises a flocculation precipitation barrel (110), the flocculation precipitation barrel (110) is of a barrel structure with an open top, the filtrate collecting barrel (12) and the flocculation precipitation barrel (110) are respectively coaxial with and arranged at intervals with the wall body of the filtering outer barrel container (10), and an annular filtrate circulation cavity (20) is formed among the flocculation precipitation barrel (110), the filtrate collecting barrel (12) and the filtering outer barrel container (10); suspended matters in the flocculation precipitation cylinder (110) flocculate and precipitate to form supernatant, the supernatant overflows into the filtrate circulating cavity (20), and the supernatant overflows into the centrifugal filtering component (13) through the filtrate circulating cavity (20);
the flocculation device (11) further comprises a coagulation component, the coagulation component comprises a stirring rod (45), a connecting rod (46), a circulating liquid outlet pipe (41), a circulating liquid inlet pipe (42) and a medicament adding hopper (44), the stirring rod (45) is of a rod body structure transversely arranged in the flocculation precipitation cylinder (110), the stirring rod (45) is connected to the centrifugal filtering component (13) through the connecting rod (46), the stirring rod (45) coaxially rotates in the flocculation precipitation cylinder (110) at a high speed, and the sewage solution in the flocculation precipitation cylinder (110) is disturbed to generate vortex water flow; the circulating liquid outlet pipe (41) is communicated with the flocculation and precipitation cylinder (110) and extends out of the filtering outer cylinder container (10), the circulating liquid outlet pipe (41) pumps out the solution in the flocculation and precipitation cylinder (110), the circulating liquid inlet pipe (42) is communicated with the flocculation and precipitation cylinder (110) and extends out of the filtering outer cylinder container (10), the circulating liquid inlet pipe (42) returns the solution pumped out by the circulating liquid outlet pipe (41) into the flocculation and precipitation cylinder (110), and the reagent adding hopper (44) is arranged on the circulating liquid inlet pipe (42);
an opening at the top end of the flocculation precipitation cylinder (110) is of a conical necking structure, an annular flow blocking ring (23) is arranged at the bottom of the filtrate collection cylinder (12), the flow blocking ring (23) is sleeved above the flocculation precipitation cylinder (110) at intervals, a supernatant overflowing cavity (24) is formed by the flow blocking ring (23), the bottom wall of the filtrate collection cylinder (12) and a space between the flocculation precipitation cylinder (110), and the supernatant overflowing cavity (24) is communicated with the filtrate circulating cavity (20);
the filtering outer cylinder container (10) is of a convex structure, the filtering outer cylinder container (10) comprises a first outer cylinder part (101) with a small upper part diameter and a second outer cylinder part (102) with a large lower part diameter, the flow blocking ring (23) is arranged in the second outer cylinder part (102) close to the turning point of the first outer cylinder part (101) and the second outer cylinder part (102), the outer wall of the flow blocking ring (23) is offset towards one side of the second outer cylinder part (102) far away from the outer wall of the filtrate collecting cylinder (12), and the flow blocking ring (23), the filtering outer cylinder container (10) and the filtrate collecting cylinder (12) form a step-shaped slow flow passage (103);
a filtering ring (17) is arranged on the plane of the turning position of the first outer tube part (101) and the second outer tube part (102), a plurality of filtering micropores (18) are arranged on the filtering ring (17) in a penetrating way, the filtering ring (17) is arranged in the filtrate circulation cavity (20), and the filtering ring (17) is positioned above the slow flow channel (103);
the device is characterized by further comprising a shunting ring (21) of an annular structure, wherein the shunting ring (21) is arranged at the bottom of the flow blocking ring (23), the shunting ring (21) is sleeved on the outer side of the flocculation precipitation cylinder (110) at intervals, the bottom end of the shunting ring (21) is arranged at the bottom wall of the outer filtering cylinder container (10) at intervals, a filtrate channel (22) is formed, the filtrate circulation cavity (20) is divided into a first filtrate circulation cavity (201) and a second filtrate circulation cavity (202) which are arranged inside and outside through the shunting ring (21), and the first filtrate circulation cavity (201) is communicated with the second filtrate circulation cavity (202) through the filtrate channel (22);
the flow passage sectional area of the second filtrate circulation cavity (202) is smaller than that of the first filtrate circulation cavity (201).
2. The sewage filtering treatment device for removing suspended matters in water body according to claim 1, which is characterized in that: filter urceolus container (10) and be the tubular structure, just the bottom of filtering urceolus container (10) is inverted cone boss column structure, forms flocculent water conservancy diversion portion (25), flocculent water conservancy diversion portion (25) and diffluent ring (21) interval set up, just the top of flocculent water conservancy diversion portion (25) is located the below of second filtrating circulation chamber (202).
3. The method for treating the sewage filtering treatment device for removing the suspended matters in the water body according to claim 2, wherein the method comprises the following steps: the method comprises the following steps:
s1: sewage solution containing suspended matters is introduced into the flocculation and precipitation cylinder (110) from the sewage inlet pipe (15), the sewage solution is subjected to layered sedimentation in the flocculation and precipitation cylinder (110), meanwhile, a circulating liquid outlet pipe (41) pumps supernatant in the flocculation and precipitation cylinder (110) through a water pump (43) and sends the supernatant back to the flocculation and precipitation cylinder (110) again through a circulating liquid inlet pipe (42), a chemical agent adding hopper (44) is arranged on the circulating liquid inlet pipe (42), a chemical agent for flocculating suspended matters in the solution is continuously or intermittently added into the circulating liquid inlet pipe (42) through the chemical agent adding hopper (44), and the chemical agent flows into the flocculation and precipitation cylinder (110) along with water in the circulating liquid inlet pipe (42), so that the chemical agent is mixed with the sewage solution in the flocculation and precipitation cylinder (110) and suspended matters in the flocculation sewage;
s2: meanwhile, the rotating shaft (26) rotates at a high speed, the centrifugal filtering component (13) rotates at a high speed, the stirring rod (45) synchronously rotates through the connecting rod (46), the stirring rod (45) disturbs the sewage solution in the flocculation and precipitation cylinder (110) to generate vortex-shaped water flow, and flocculated suspended matters and supernatant liquor form a state of upper and lower layers;
s3: as the water solution of the sewage solution in the flocculation and precipitation cylinder (110) continuously increases, supernatant which is initially layered and settled overflows the top opening of the flocculation and precipitation cylinder (110), and flows downwards to the first filtrate circulation cavity (201) through the supernatant overflow cavity (24), and then flows to the static precipitation cavity (112) which is arranged at the bottom of the filtering outer cylinder container (10) and is positioned below the flocculation and precipitation cylinder (110), and the supernatant naturally settles in the static precipitation cavity (112); the settled floccule is static and left in the static precipitation cavity (112), and the layered water solution flows into the second filtrate channel (202) through the filtrate channel (22);
s4: when the liquid capacity in the static precipitation cavity (112) is gradually increased, the liquid at the bottom of the filtering outer cylinder container rises and is gradually filled into the supernatant liquid circulation cavity (24) and the filtrate circulation cavity (20), when the aqueous solution passes through the second filtrate circulation cavity (202) and passes through the filtering ring (17), the flow rate of the aqueous solution is firstly reduced through the slow flow channel (103), the aqueous solution is filtered again when passing through the filtering ring (17), the filtered floccule gradually falls downwards on the floccule guide part (25) and finally falls into the static precipitation cavity (112), and meanwhile, the total upward flowing path of the aqueous solution is prolonged through the second filtrate circulation cavity (202) which is vertically arranged, so that the floccule in the aqueous solution can fully fall downwards under the action of self weight;
and when the water solution in the second filtrate circulating cavity (102) overflows upwards to the top end of the filtrate collecting cylinder (12), the water solution flows into the rotary filter cylinder (33), the water solution is filtered again under the high-speed rotation of the rotary filter cylinder (33), and the water solution passing through the rotary filter cylinder (33) falls into the inner cavity of the filtrate collecting cylinder (12) and is the final filtered water solution.
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| CN201811508205.5A CN109368875B (en) | 2018-12-11 | 2018-12-11 | Sewage filtering treatment device for removing suspended matters in water body and treatment method thereof |
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| CN201811508205.5A CN109368875B (en) | 2018-12-11 | 2018-12-11 | Sewage filtering treatment device for removing suspended matters in water body and treatment method thereof |
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| CN110627254A (en) * | 2019-09-27 | 2019-12-31 | 朱兆明 | Industrial sewage treatment system and industrial sewage treatment method thereof |
| CN111517529A (en) * | 2020-05-20 | 2020-08-11 | 杭州富阳宣星智能科技有限公司 | Sewage detection clarified liquid extraction element with self-cleaning function |
| CN111760339B (en) * | 2020-06-28 | 2022-05-27 | 宁波纬诚科技股份有限公司 | Centrifugal separation device for suspended substances in continuous flowing liquid and chemical nickel plating liquid |
| CN113877500B (en) * | 2021-10-09 | 2023-02-07 | 江西华明纳米碳酸钙有限公司 | Stirring formula nanometer calcium carbonate preparation equipment |
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| JP2007319740A (en) * | 2006-05-30 | 2007-12-13 | Creator:Kk | Rotative filter for purifying polluted water |
| CN102745788B (en) * | 2012-07-25 | 2013-11-27 | 北京朗新明环保科技有限公司南京分公司 | Automatic integrated coagulation clarification and filtering device |
| CN206103506U (en) * | 2016-08-24 | 2017-04-19 | 广东润田高新科技有限公司 | Centrifugal filter |
| CN108264162B (en) * | 2018-04-08 | 2019-01-18 | 绍兴洁彩坊印染有限公司 | A kind of circulating sewage water treatment facilities and its method |
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Effective date of registration: 20211216 Address after: 163000 deligor Industrial Park, economic development zone, duerbert Mongolian Autonomous County, Daqing City, Heilongjiang Province Applicant after: Longwo Technology Development Co.,Ltd. Address before: 226100 m-1532, 101 Fangxing Road, Nantong Economic and Technological Development Zone, Jiangsu Province Applicant before: Lu Jiong |
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