Environment-friendly equipment for treating sewage
Technical Field
The application relates to the technical field of sewage treatment equipment, in particular to environment-friendly equipment for treating domestic sewage.
Background
Domestic sewage is waste water discharged in daily life of residents, and mainly originates from residential buildings and public buildings, such as houses, institutions, schools, hospitals, shops, public places, industrial enterprise toilets and the like. The pollutants contained in domestic sewage are mainly organic matters and a large number of pathogenic microorganisms. Organic matters existing in domestic sewage are extremely unstable and are easy to be decomposed to generate malodor. Bacteria and pathogens are propagated in large quantities by taking organisms in domestic sewage as nutrients, and can lead to epidemic spread of infectious diseases. Therefore, the domestic sewage must be treated before being discharged.
With the development of society, the water pollution problem is more and more serious, and people begin to use sewage treatment environmental protection equipment to treat domestic sewage.
The main purpose of the domestic sewage treatment device is to treat the wastewater of families, communities or industrial areas and remove harmful substances in the wastewater so as to achieve the water quality standard capable of being safely and hygienically discharged or recycled. The necessity is obvious, the influence of sewage on the environment can be reduced, the environmental protection and ecological civilization construction are promoted, and the water resource can be fully utilized and saved.
Chinese patent CN112062415a discloses a domestic sewage treatment system comprising an anaerobic treatment system, an aerobic treatment system, a sedimentation system, a disinfection system, a sludge storage system and a distribution room; the anaerobic treatment system is additionally provided with the filler baffle plate and the rotary filler box, so that the contact time and the contact area of domestic sewage and filler are increased, and the starting time is reduced; the subsurface flow stirrer is additionally arranged, so that the problems of short flow, dead angles and the like are reduced; the volumes of all compartments of the reactor are different, and the degradation efficiency is improved by utilizing the difference of microbial communities; the aerobic treatment system increases the dissolved oxygen by adding the flow baffle plate and using a mechanical mode, thereby saving the running cost; the different wave baffle plates are utilized, so that the water inlet residence time is prolonged, the baffle plates are rough in surface and easy to hang films on the baffle plates, and the treatment efficiency is improved; the modified combined suspended filler is added, so that the film forming efficiency of the filler is improved; the method for treating the domestic sewage by using the domestic sewage treatment system is also disclosed, and the whole-course biochemical treatment is carried out, so that no medicament is input, and secondary pollution is reduced. However, the sewage treatment equipment has a huge and complex structure, the space utilization in the equipment is poor, and meanwhile, the sewage treatment is complex, so that the treatment efficiency has a certain problem.
Chinese patent CN108554270B discloses a domestic sewage pretreatment device. The application aims to solve the technical problems that sewage is difficult to clean completely and is difficult to carry out secondary dirt treatment. In order to solve the technical problem, the application provides a domestic sewage pretreatment device which comprises a container, wherein supporting legs are fixedly connected to four right-angle positions of the bottom of the container, a U-shaped mounting plate is fixedly connected to the top of the container, a preliminary premixing device is arranged at the bottom of the U-shaped mounting plate, the bottom of the preliminary premixing device is positioned in the container, and a secondary mixing filter device is arranged in the container and in an interval in the middle of the preliminary premixing device. According to the application, through improvement of the preliminary premixing device, when the servo motor is started, the two rotating shafts can respectively drive the mixing barrel to rotate, the purifying agent can flow into the mixing barrel from the agent conveying pipe, and the purifying agent can be quickly and completely fused into sewage along with the back and forth rotation of the mixing barrel. However, the sewage treatment device has the condition of incomplete sewage treatment, and the sewage treatment mode is single, so that the follow-up unnecessary trouble can be caused.
Disclosure of Invention
The application aims at: the environmental protection equipment for treating the domestic sewage solves the problems of huge and complex structure, poor sewage treatment efficiency and incomplete domestic sewage treatment of the traditional sewage treatment equipment.
The technical scheme of the application is as follows:
an environment-friendly device for treating sewage comprises a shell and a centrifugal treatment bin, a flocculation treatment bin, a microporous filtering membrane, a detention bin and a drainage bin in the shell, wherein the centrifugal filtering bin is positioned at a position close to the top of the inner wall of the shell, the lower part of the centrifugal filtering bin is provided with the flocculation treatment bin, the centrifugal treatment bin is arranged at the upper part of the detention bin, the centrifugal treatment bin and the flocculation treatment bin are separated by the microporous filtering membrane, the detention bin is internally provided with an active adsorption filtering component, and the drainage bin is positioned at the lower part of the detention bin;
the centrifugal filter assembly comprises a second motor arranged at the bottom of the microporous filter membrane and a vertical rod connected with the second motor in a key manner, wherein the vertical rod penetrates through the microporous filter membrane and stretches into the upper portion of the microporous filter membrane, the vertical rod is connected with the microporous filter membrane through a waterproof rotating shaft, a support frame and an annular vertical plate fixedly connected with the support frame are arranged at the middle section of the vertical rod, an annular transverse plate is arranged on the outer wall of the annular vertical plate in the vertical direction, a first through hole vertical plate is arranged on the top end face of the annular transverse plate, a second through hole vertical plate is arranged on the periphery of the first through hole vertical plate, the second through hole vertical plate is connected with the bottom end face of the annular transverse plate, and a sand-stone adsorption layer is arranged on one face, opposite to the first through hole vertical plate and the second through hole vertical plate.
The centrifugal filter component carries out centrifugal preliminary filtration on domestic sewage in the annular transverse plate matched with the sand and stone adsorption layer. Compared with the slow filtration of sewage under the action of gravity, the application adopts the centrifugal force to give the domestic sewage a certain pressure and then cooperates with the sand and stone adsorption layer to carry out filtration, thus the sewage filtration efficiency is higher and the time is saved.
Furthermore, a plurality of through holes are formed in the annular transverse plate, and a sand and stone adsorption layer is arranged in the annular transverse plate.
The first through hole vertical plate and the second through hole vertical plate are respectively provided with a plurality of tiny through holes, a sand-stone adsorption layer is arranged at an interlayer formed by the first through hole vertical plate and the second through hole vertical plate, and when the second motor drives sewage on the annular transverse plate to perform centrifugal motion, the centrifugal force generated by the second motor can give a certain compression force to the sewage, so that the sewage is forced to pass through the sand-stone adsorption layer; when the centrifugal force influences sewage, the sewage is not completely clung to the first through hole riser, and a part of the sewage is inclined at a certain angle with the first through hole riser, so that the centrifugal filtration efficiency is ensured, and the sand and stone adsorption layer is also arranged in the annular transverse plate for saving the centrifugal filtration time.
Still further, the top of montant is provided with the direction conical plate, the outer wall of direction conical plate is provided with four connecting rods, the direction conical plate passes through four connecting rods and shell inner wall fixed connection, the inner wall of direction conical plate is provided with the bearing, the bearing cup joints with the top of montant, the outer wall of second thru hole riser is provided with the driven lever, the one end and the shell inner wall sliding connection of second thru hole riser are kept away from to the driven lever.
When centrifugal preliminary filtration work is carried out, domestic sewage firstly enters the equipment through the water inlet, and is split under the action of the guide conical plate, and the split sewage falls into a containing bin formed by the annular vertical plate, the annular transverse plate and the first through hole vertical plate; meanwhile, the second motor is started, and the sewage in the holding bin is continuously influenced by centrifugal force under the driving of the second motor and is subjected to preliminary filtration in combination with the sand and stone adsorption layer.
Still further, the well hypomere of montant is provided with a plurality of main stirring roller, main stirring roller is located flocculation treatment storehouse, be provided with a plurality of secondary stirring roller on the main stirring roller, the outer wall of second motor is provided with the motor casing, the motor casing is connected with micro-filtration membrane's bottom.
The sewage subjected to centrifugal preliminary treatment falls into a flocculation treatment bin, and a worker inputs a flocculating agent from a flocculating agent inlet pipe and accelerates the mixing of the flocculating agent and the sewage under the cooperation of a main stirring roller and a secondary stirring roller; the secondary treated sewage is concentrated in the flocculation treatment bin, and impurities precipitated by mixing the sewage and the flocculant fall on the microporous filtering membrane and are further filtered under the action of the microporous filtering membrane.
Wherein, when the second motor drive carries out centrifugal dialysis to sewage, the lower extreme owner in the montant with second motor output key connection, secondary stirring roller also can rotate in step, carries out synchronous handling promptly after the sewage after sand and stone adsorbed layer handles falls into flocculation treatment storehouse, has improved sewage treatment's efficiency (it should be known, all be provided with fixed microporous filtration membrane's shell at microporous filtration membrane's top and bottom, and offered a plurality of through-hole on the shell).
In addition, when equipment maintenance is required, the internal sediment can be cleaned out by opening the sealed bin, so that blockage caused by sediment accumulation is avoided.
Still further, the active absorption filter component is including setting up a plurality of hollow cylinder shell that is matrix arrangement in detaining the storehouse, the inside of hollow cylinder shell is provided with spiral thru hole shell, the inside of spiral thru hole shell is provided with the active carbon adsorbed layer, the top of hollow cylinder shell is provided with the direction ring, the direction ring is the back-off round platform shape, the top outer wall of direction ring and adjacent direction ring top outer wall connection, the outer wall of hollow cylinder shell is provided with the connecting block, adjacent hollow cylinder shell passes through connecting block fixed connection.
The active adsorption filter component carries out the final treatment of the sewage so as to further remove peculiar smell, bacteria and the like in the sewage. Sewage passing through the microporous filtering membrane can fall into the detention bin, and meanwhile, the active adsorption filtering component can immediately filter the sewage, and as the spiral through hole shell in the hollow cylindrical shell is spiral, the active carbon adsorption layer arranged in the spiral through hole shell can filter the sewage layer by layer. The space occupied by the treatment filter layer is smaller than that of the water purifying device with multiple layers. In addition, the water flow can relatively uniformly fall into the plurality of hollow cylindrical shells due to the flow guiding effect of the guiding circular ring, so that the activated carbon adsorption layer of each spiral can be used for efficiently filtering the sewage during filtering, and the filtering is cleaner.
Furthermore, the adjacent guide rings are provided with guide blocks at gaps, and the guide blocks are conical.
The guide blocks arranged at the gaps between the adjacent guide circular rings can prevent sewage from falling into the drainage bin from the gaps, so that the clean water in the drainage bin is polluted.
Furthermore, the bottom of hollow cylinder shell is provided with the catchment shell, the catchment shell is coniform, a plurality of through-hole has been seted up to the last circumference array of catchment shell. Clear water filtered by the activated carbon adsorption layer can fall into the drainage bin below through the through hole of the water collecting shell.
Still further, transversely be provided with the screw roll in the drainage storehouse, the one end of screw roll is provided with first motor, the output and the screw roll key-type connection of first motor, the outside of shell is located to first motor.
The first motor and the spiral roller cooperate to accelerate the discharge of clear water in the drainage bin, so that excessive accumulation of water in the drainage bin is avoided.
Still further, the top of shell is provided with the water inlet, the bottom of shell is provided with the outlet, the shell outer wall that is located flocculation treatment storehouse place is provided with flocculating agent income pipe and sealed bin gate, flocculating agent income pipe is located the upper portion of sealed bin gate.
Compared with the prior art, the application has the beneficial effects that:
1. the centrifugal filter component of the application carries out centrifugal preliminary filtration on domestic sewage in the annular transverse plate matched with the sand and stone adsorption layer. Compared with the slow filtration of sewage under the action of gravity, the application adopts the centrifugal force to give the domestic sewage a certain pressure and then cooperates with the sand and stone adsorption layer to carry out filtration, thus the sewage filtration efficiency is higher and the time is saved.
2. According to the application, when centrifugal filtration is carried out, sewage which rapidly falls into the flocculation treatment bin can be rapidly mixed and separated out to form precipitate under the cooperation of the flocculant, the main stirring roller and the secondary stirring roller, and centrifugal preliminary filtration and rotation of the stirring roller are simultaneously carried out by the second motor, so that the power is saved, and the treatment efficiency is further improved.
3. Compared with the water purifying equipment provided with a plurality of treatment filter layers, the water purifying equipment provided by the application has smaller space, higher efficiency and better filtering effect, and meanwhile, the sewage can be thoroughly treated through the multi-stage treatment bin without affecting the efficiency of sewage treatment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, in which the drawings are only some embodiments of the present application, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a planar cross-sectional view structure according to the present application;
FIG. 2 is a schematic view of a perspective view of a centrifugal filter assembly according to the present application;
FIG. 3 is a schematic side cross-sectional view of a centrifugal filter assembly of the present application;
FIG. 4 is a schematic view of the perspective structure of the active adsorption filter assembly according to the present application;
FIG. 5 is a schematic diagram of a side view structure of an active adsorption filtration element according to the present application;
FIG. 6 is a schematic diagram of a side slope structure of an active adsorption filtration assembly according to the present application;
FIG. 7 is a schematic view of a water-collecting shell structure according to the present application;
wherein: 1. a housing; 2. centrifugal treatment bin; 3. a centrifugal filtration assembly; 4. a flocculation treatment bin; 5. a microfiltration membrane; 6. a retention bin; 7. an active adsorption filtration assembly; 8. a drainage bin; 9. a spiral roller; 10. a first motor; 11. a water inlet; 12. a water outlet; 13. a flocculant inlet pipe; 14. sealing the bin gate; 301. a second motor; 302. a support frame; 303. an annular riser; 304. an annular cross plate; 305. a first through hole riser; 306. a second through hole riser; 307. a sand-stone adsorption layer; 308. a main stirring roller; 309. a secondary agitating roller; 310. a motor housing; 311. a guide cone plate; 312. a connecting rod; 313. a vertical rod; 314. a driven rod; 401. a hollow cylindrical shell; 402. a guide ring; 403. a guide block; 404. a connecting block; 405. a spiral through-hole shell; 406. an activated carbon adsorption layer; 407. a water collecting shell; 408. and a through hole.
Detailed Description
The above-described aspects are further described below in conjunction with specific embodiments. It should be understood that these examples are illustrative of the present application and are not intended to limit the scope of the present application. The implementation conditions employed in the examples may be further adjusted according to specific conditions, and the implementation conditions not specified are generally those in routine experiments.
As shown in fig. 1, 2 and 3, the environment-friendly equipment for treating domestic sewage comprises a shell 1, a centrifugal treatment bin 2, a flocculation treatment bin 4, a micro-pore filter membrane 5, a detention bin 6 and a drainage bin 8, wherein the centrifugal filtration bin is positioned near the top of the inner wall of the shell 1, the lower part of the centrifugal filtration bin is the flocculation treatment bin 4, a centrifugal filtration component 3 is arranged in the centrifugal treatment bin 2, the flocculation treatment bin 4 is positioned at the upper part of the detention bin 6, the centrifugal treatment bin 4 and the detention bin are separated by the micro-pore filter membrane 5, an active adsorption filtration component 7 is arranged in the detention bin 6, and the drainage bin 8 is positioned at the lower part of the detention bin 6;
the centrifugal filter assembly 3 comprises a second motor 301 arranged at the bottom of the micro-filtration membrane 5 and a vertical rod 313 connected with the second motor 301 in a key manner, the vertical rod 313 penetrates through the micro-filtration membrane 5 and stretches into the upper portion of the micro-filtration membrane 5, the vertical rod 313 is connected with the micro-filtration membrane 5 through a waterproof rotating shaft, a support frame 302 and an annular vertical plate 303 fixedly connected with the support frame 302 are arranged at the middle section of the vertical rod 313, an annular transverse plate 304 is arranged on the outer wall of the annular vertical plate 303 in the vertical direction, a first through hole vertical plate 305 is arranged on the top end face of the annular transverse plate 304, a second through hole vertical plate 306 is arranged on the periphery of the first through hole vertical plate 305, the second through hole vertical plate 306 is connected with the bottom end face of the annular transverse plate 304, and a sand and stone adsorption layer 307 is arranged on the opposite face of the first through hole vertical plate 305 and the second through hole vertical plate 306.
The annular transverse plate 304 is provided with a plurality of through holes, and a sand and stone adsorption layer 307 is arranged inside the annular transverse plate 304. The top of montant 313 is provided with direction taper plate 311, and the outer wall of direction taper plate 311 is provided with four connecting rods 312, and direction taper plate 311 passes through four connecting rods 312 and shell 1 inner wall fixed connection, and the inner wall of direction taper plate 311 is provided with the bearing, and the bearing cup joints with the top of montant 313, and the outer wall of second thru hole riser 306 is provided with driven lever 314, and driven lever 314 keeps away from the one end and shell 1 inner wall sliding connection of second thru hole riser 306.
The top of shell 1 is provided with water inlet 11, and the bottom of shell 1 is provided with outlet 12, and the outer wall of shell 1 that is located flocculation treatment storehouse 4 place is provided with flocculant income pipe 13 and sealed bin gate 14, and flocculant income pipe 13 is located the upper portion of sealed bin gate 14.
When centrifugal preliminary filtration work is carried out, domestic sewage firstly enters the equipment through the water inlet, and is split under the action of the guide conical plate, and the split sewage falls into a containing bin formed by the annular vertical plate, the annular transverse plate and the first through hole vertical plate; meanwhile, the second motor is started, and the sewage in the holding bin is continuously influenced by centrifugal force under the driving of the second motor and is subjected to preliminary filtration in combination with the sand and stone adsorption layer.
Wherein, a plurality of tiny through holes are arranged on the first through hole vertical plate and the second through hole vertical plate, a sand-stone adsorption layer is arranged at an interlayer formed by the first through hole vertical plate and the second through hole vertical plate, when the second motor drives the sewage on the annular transverse plate to perform centrifugal motion, the generated centrifugal force can give a certain compression force to the sewage, so that the sewage is forced to pass through the sand-stone adsorption layer; when the centrifugal force influences sewage, the sewage is not completely clung to the first through hole riser, and a part of the sewage is inclined at a certain angle with the first through hole riser, so that the centrifugal filtration efficiency is ensured, and the sand and stone adsorption layer is also arranged in the annular transverse plate for saving the centrifugal filtration time.
As shown in fig. 2 and 3, a plurality of main stirring rollers 308 are arranged at the middle lower section of the vertical rod 313, the main stirring rollers 308 are positioned in the flocculation treatment bin 4, a plurality of secondary stirring rollers 309 are arranged on the main stirring rollers 308, a motor shell 310 is arranged on the outer wall of the second motor 301, and the motor shell 310 is connected with the bottom of the micro-pore filtration membrane 5.
The sewage subjected to centrifugal preliminary treatment falls into a flocculation treatment bin, and a worker inputs a flocculating agent from a flocculating agent inlet pipe and accelerates the mixing of the flocculating agent and the sewage under the cooperation of a main stirring roller and a secondary stirring roller; the secondary treated sewage is concentrated in the flocculation treatment bin, and impurities precipitated by mixing the sewage and the flocculant fall on the microporous filtering membrane and are further filtered under the action of the microporous filtering membrane.
The second motor is started to drive the sewage to carry out centrifugal dialysis, and meanwhile, the main stirring roller and the secondary stirring roller at the middle lower end of the vertical rod which are connected with the output end of the second motor are synchronously rotated, namely, the sewage treated by the sand and stone adsorption layer falls into the flocculation treatment bin to be synchronously treated, so that the sewage treatment efficiency is improved. In addition, when equipment maintenance is required, the internal sediment can be cleaned out by opening the sealed bin, so that blockage caused by sediment accumulation is avoided.
As shown in fig. 4, 5, 6 and 7, the active adsorption filtering component 7 comprises a plurality of hollow cylindrical shells 401 arranged in a matrix in the detention bin 6, a spiral through hole shell 405 is arranged in the hollow cylindrical shells 401, an active carbon adsorption layer 406 is arranged in the spiral through hole shells 405, a guide circular ring 402 is arranged at the top of the hollow cylindrical shells 401, the guide circular ring 402 is in a reverse-buckling truncated cone shape, the top outer wall of the guide circular ring 402 is connected with the top outer wall of the adjacent guide circular ring 402, a connecting block 404 is arranged on the outer wall of the hollow cylindrical shells 401, and the adjacent hollow cylindrical shells 401 are fixedly connected through the connecting block 404.
A guide block 403 is arranged at a gap between adjacent guide rings 402, and the guide block 403 is conical. A spiral roller 9 is transversely arranged in the drainage bin 8, one end of the spiral roller 9 is provided with a first motor 10, the output end of the first motor 10 is in key connection with the spiral roller 9, and the first motor is arranged outside the shell.
The active adsorption filter component carries out the final treatment of the sewage so as to further remove peculiar smell, bacteria and the like in the sewage. Sewage passing through the microporous filtering membrane can fall into the detention bin, and meanwhile, the active adsorption filtering component can immediately filter the sewage, and as the spiral through hole shell in the hollow cylindrical shell is spiral, the active carbon adsorption layer arranged in the spiral through hole shell can filter the sewage layer by layer. The space occupied by the treatment filter layer is smaller than that of the water purifying device with multiple layers. In addition, the water flow can relatively uniformly fall into the plurality of hollow cylindrical shells due to the flow guiding effect of the guiding circular ring, so that the activated carbon adsorption layer of each spiral can be used for efficiently filtering the sewage during filtering, and the filtering is cleaner.
The foregoing is merely a specific application example of the present application, and the protection scope of the present application is not limited in any way. In addition to the embodiments described above, other embodiments of the application are possible. All technical schemes formed by equivalent substitution or equivalent transformation fall within the scope of the application.