CN219585946U - Small-size integrated full-automatic sewage treatment system - Google Patents

Abstract

The utility model discloses a small integrated full-automatic sewage treatment system which comprises at least four stages of treatment units, realizes the integration and miniaturization of a treatment device, has high automation degree and does not need personnel cleaning. Because the occupied area is small and the construction condition is not limited, the application is flexible, and the construction method can be built on various needed occasions and sites; in addition, the system has higher integration level, simple structure, low construction cost, small investment, short period and quick response, and can bring higher social and economic benefits. In the process of centralized recycling of wastewater, multistage filtration, sterilization and disinfection of wastewater can be realized, the system can realize automatic cleaning and pollution discharge of each device, the filtration effect and the filtration efficiency are high, the sewage recovery rate is high, the water-saving effect is obvious, and the system has huge market application prospect.

Description

Small-size integrated full-automatic sewage treatment system

Technical Field

The utility model relates to the technical field of water treatment, in particular to a small integrated full-automatic sewage treatment system.

Background

The current society is forced to be under the pressure of water crisis, the country gradually develops towards the clean production direction of rationalization of water resource utilization, reduction of wastewater generation, no pollution or little pollution, and the active application and development of the water-saving technology with advantages are the key directions of research. The reuse technology of reclaimed water is a new product which is in compliance with the situation.

The reclaimed water recycling refers to recycling various drainage such as domestic drainage, cooling water, rainwater and the like after being used in civil buildings or residential communities after being properly treated, and the reclaimed water is used in the buildings or the residential communities as a water supply system of miscellaneous water, and also comprises recycling treatment and reuse in the professional fields such as industrial water, commercial water and the like. The reclaimed water recycling can effectively utilize and save limited and precious fresh water resources, can reduce the discharge of sewage and wastewater, reduce the pollution of water environment and can also relieve the overload phenomenon of urban sewer. Has obvious social benefit, environmental benefit and economic benefit.

The common domestic sewage treatment at present generally carries out unified recovery treatment through a sewage treatment plant or a medium water station, but the construction period of the sewage treatment plant and the medium water station is long, the occupied area is large, the cost is high, and not all places are suitable for factory construction, so that the application is not flexible. In addition, the recycling through the intermediate water station sometimes causes a problem that the scale of design and construction is not matched with the actual water consumption and the recycling water quantity. In addition, the treatment equipment required by the reclaimed water station is numerous, the energy consumption is high, and the reclaimed water station is matched with manual on-duty cleaning and the transportation of filtered sundries, so that the reclaimed water station has the problems of large investment, unstable operation and high operation and maintenance cost.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a small integrated full-automatic sewage treatment system, so as to solve the problems of high construction cost, long period, inflexible construction and the like of the sewage treatment system.

In order to solve the technical problems, the utility model adopts a technical scheme that: provided is a small-sized integrated full-automatic sewage treatment system, comprising at least four stages of treatment units:

the first-stage treatment unit is a multi-stage filtering device and comprises a first water tank, at least one stage of filtering unit is arranged at the upper part in the first water tank, each stage of filtering unit comprises a filter screen and a corresponding scraper mechanism, each stage of scraper mechanism is synchronously driven by the same scraper driving mechanism so as to scrape impurities on the filter screen, and filtered water is conveyed to the second-stage treatment unit;

the second-stage treatment unit is an aeration foam removing device and comprises a second water tank, an aerator and the foam removing device are arranged in the second water tank, and water after aeration foam removal is conveyed to the third-stage treatment unit;

the third-stage treatment unit is a sterilization and disinfection device and comprises a third water tank, a sterilization assembly is arranged in the third water tank, and sterilized water is conveyed to the fourth-stage treatment unit;

the fourth-stage treatment unit is a purification and filtration device and comprises a fourth water tank, a filter is arranged at the upper part of the fourth water tank, and purified and filtered water is stored in the fourth water tank and is used for being conveyed to each recycling water for reuse.

In another embodiment of the utility model, the system further comprises at least one dosing and stirring mechanism.

In another embodiment of the utility model, the quantitative dosing stirring mechanism comprises a vertical type cartridge, a dosing tube is arranged at the bottom outlet end of the cartridge, a rotary dosing roller which is in sealing fit with the bottom outlet of the cartridge and is rotationally assembled with the dosing tube is arranged in the dosing tube, the rotary dosing roller is driven to rotate by a dosing driving assembly, and quantitative grooves are uniformly distributed on the surface of the rotary dosing roller; the lower part of the dosing tube is provided with a stirring tube, the side wall of the stirring tube is provided with a water inlet hole, and a stirring component is arranged in the stirring tube for stirring and mixing the medicinal powder and water.

In another embodiment of the present utility model, a flushing mechanism is respectively disposed below each stage of filter screen in the multi-stage filtering device, so as to be used for synchronously flushing the filter screen in the filtering process, and the flushing mechanism is also driven by the scraper driving mechanism and synchronously moves with the scraper mechanism.

In another embodiment of the utility model, each stage of filter units in the multi-stage filter device is provided with a baffle plate hinged at the upper part at two ends of the movement direction of the corresponding scraper mechanism, and the baffle plate is used for being opened to discharge impurities when the scraper mechanism moves to the baffle plate; a partition plate connected with the inner side wall of the water tank is arranged below the baffle plates at the two ends of the last stage of filtering unit in the water tank, and the partition plate is used for separating two sewage discharging cavities at the upper parts of the two sides of the interior of the water tank; and a drain outlet for discharging impurities out of the water tank is formed in the bottom of the drain cavity on the side wall of the water tank.

In another embodiment of the utility model, the foam removing device comprises a foam lifting mechanism and a foam scraping mechanism, the foam lifting mechanism comprises a lifting plate and a lifting driving assembly for driving the lifting plate to move up and down, the foam scraping mechanism comprises a scraping plate and a translation driving assembly for driving the scraping plate to move in a translation mode, the foam lifting mechanism is used for scraping foam to be scraped to a set position in a translation mode through the foam scraping mechanism, and the lifting plate is a mesh plate.

In another embodiment of the present utility model, the sterilization and disinfection device is an ultraviolet lamp.

In another embodiment of the present utility model, the purifying and filtering device includes at least one horizontal filter body, one end of the horizontal filter body is connected with the water inlet, the end surface of the other end is in a closed structure, the filter body includes an outer filter shell and an inner filter shell with uniformly distributed mesh holes, a filter cavity is formed between the outer filter shell and the inner filter shell, a filter material is filled in the filter cavity, and the filter material does not completely fill the filter cavity; the inner filter shell is surrounded to form a water inlet channel which is communicated with the water inlet; the filter body is also provided with a driving device for driving the filter body to rotate, and the driving device drives the filter cavity body to rotate so as to drive the filter materials to mutually roll and rub in the filter cavity, thereby realizing self-cleaning of the filter.

In another embodiment of the present utility model, the fourth stage treatment unit further comprises a dosing device, the outlet end of the dosing device is connected to the fourth water tank, and the added powder is active chlorine agent for eliminating bacteria and microorganisms in water

In another embodiment of the utility model, the upper parts of the second water tank, the third water tank and the fourth water tank are also provided with rotary jet pipes for carrying out turnover cleaning on the corresponding water tanks.

The beneficial effects of the utility model are as follows: the small integrated full-automatic sewage treatment system realizes the integration and miniaturization of the treatment device, intelligently combines the multistage physical filtration and the chemical filtration mode of adding the chemical agents through the control system, can regularly and quantitatively control the added chemical agents, and can meet the treatment requirements of different sewage qualities. In addition, the system can regularly carry out automatic cleaning to filtering devices at all levels, and is high in automation degree and free of personnel cleaning. Because the occupied area is small and the construction condition is not limited, the application is flexible, and the construction method can be built on various needed occasions and sites; in addition, the system has higher integration level, simple structure, low construction cost, small investment, short period and quick response, and can bring higher social and economic benefits.

In the process of centralized recycling of wastewater, multistage filtration, sterilization and disinfection of wastewater can be realized, the filtration effect and the filtration efficiency of the system are both higher, the sewage recovery rate is high, the water-saving effect is obvious, and the system has huge market application prospect.

Drawings

FIG. 1 is a schematic diagram of a compact integrated fully automatic sewage treatment system of the present utility model;

FIG. 2 is a schematic structural view of a dosing and stirring device;

FIG. 3 is a schematic view of the structure of a rotary applicator roll;

FIG. 4 is a schematic view of a multi-stage filtration device;

FIG. 5 is a side view of FIG. 4;

FIG. 6 is a schematic view of the structure of the aeration foam removing apparatus;

FIG. 7 is a schematic structural view of a foam lifting mechanism;

FIG. 8 is a schematic view of the construction of the scraping mechanism;

FIG. 9 is a schematic view of a filter;

FIG. 10 is a top view of FIG. 9;

fig. 11 is a schematic view of the structure of the inner end surface of the filter body.

Detailed Description

In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items. The orientation or positional relationship indicated by the terms "center", "bottom", "top", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description and to simplify the description, and are not intended to indicate or imply that the components referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the protection of the present utility model.

As shown in fig. 1, the utility model discloses a small integrated full-automatic sewage treatment system, which comprises at least four stages of treatment units:

the first-stage treatment unit is a multi-stage filtration device 1 and comprises a first water tank 11, at least one-stage filtration unit is arranged at the upper part in the first water tank, each stage filtration unit comprises a filter screen and a corresponding scraper mechanism, each stage of scraper mechanism is synchronously driven by the same scraper driving mechanism so as to scrape impurities on the filter screen, and filtered water is conveyed to the second-stage treatment unit;

the second stage treatment unit is an aeration foam removing device 2, and comprises a second water tank 21, wherein an aerator (not shown in the figure) and the foam removing device are arranged in the second water tank, and the water after aeration foam removal is conveyed to the third stage treatment unit;

the third-stage treatment unit is a sterilization and disinfection device 3 and comprises a third water tank 31, a sterilization component is arranged in the third water tank, and sterilized water is conveyed to the fourth-stage treatment unit;

the fourth-stage treatment unit is a purifying and filtering device 4, and comprises a fourth water tank 41, wherein a filter is arranged at the upper part of the fourth water tank, and purified and filtered water is stored in the fourth water tank and is used for being conveyed to each recycling water for recycling.

Preferably, the system further comprises at least one dosing and stirring mechanism 5, which is used in cooperation with each stage of treatment unit, to be added to the corresponding water tank of each stage of treatment unit to be subjected to chemical treatment. According to different water qualities of wastewater and requirements on the water quality of treatment, different chemicals are added into corresponding water tanks in the treatment process through quantitative dosing stirring mechanisms so as to meet the treatment requirements on different water qualities of sewage.

In this embodiment, two quantitative medicine adding stirring mechanisms are preferably provided, and different medicine powders are respectively added, wherein the added medicine powders are flocculants, and the two medicine powders can be added into water at certain intervals according to the characteristics of the added medicine powders. The outlet ends of the two quantitative dosing stirring mechanisms are communicated with the water tank of the first-stage treatment unit or the second-stage treatment unit. Because the added powder acts when the second water tank is aerated to remove foam, both powders can be added to the water filtered by the first water tank or directly added to the second water tank.

Considering the synchronous effect of multiple flocculating agents, the mixing of multiple medicaments can achieve good effect only by stirring, so that the medicinal powder is added into the water filtered by the first water tank, the filtered water is discharged from the bottom of the second water tank to the second water tank by the lifting water pump arranged in the first water tank through the conveying pipeline, and the medicinal powder is uniformly stirred and dissolved into the water under the action and in the conveying process of the lifting water pump, so that the stirring process and equipment are omitted.

As shown in fig. 2-3, the quantitative dosing stirring mechanism of the embodiment comprises a vertical cartridge 51, a dosing tube is arranged at the bottom outlet end of the cartridge, a rotary dosing roller 52 which is in sealing fit with the bottom outlet of the cartridge and is rotationally assembled with the dosing tube is arranged in the dosing tube, quantitative grooves 53 are uniformly distributed on the surface of the rotary dosing roller, and the rotary dosing roller is driven to rotate by a dosing driving assembly. The dosing driving assembly is preferably driven by a motor 54, the rotary dosing roller is connected to the output end of the motor, the rotary dosing roller rotates under the action of the motor, the medicine powder in the medicine cartridge falls down after being rotated through the dosing groove, and the dosing quantity is quantitatively controlled by controlling the working time of the motor and the size of the groove.

In addition, in order to be convenient for add the powder, the top of cartridge is set to detachable apron 55 structure, when needs add the powder, open the cartridge apron 55 at top and mend the medicine, after mending, fixed apron again can.

The lower part of the medicine adding pipe is provided with a stirring pipe 56, the side wall of the stirring pipe is provided with a water inlet 57 for introducing clean water to dissolve the medicine powder, and a stirring component is arranged in the stirring pipe for stirring and mixing the medicine powder and the water. The stirring assembly adopts a stirring motor 58 and a stirring blade or a stirring rod driven by the stirring motor, the stirring motor is arranged at the top of the stirring pipe, a connecting rod 59 is arranged at the output end of the motor, the connecting rod extends into the stirring pipe until the lower part of the water inlet hole, and the stirring blade 591 or the stirring rod is arranged on the connecting rod to stir water and medicinal powder under the driving rotation action of the stirring motor so as to accelerate the dissolution of the medicinal powder.

As shown in fig. 4-5, a flushing mechanism 12 is respectively arranged below each stage of filter screen in the multi-stage filter device and is used for synchronously flushing the filter screen in the filtering process, and the flushing mechanism is also driven by a scraper driving mechanism 13 and synchronously moves with a scraper mechanism 14. The number of stages of the filter unit and the number of the filter screen of each layer in the device are adjusted and determined according to actual conditions, the filtering precision can be improved step by step according to the water quality requirement, and the two-stage filter unit shown in the figure is taken as an example for the following detailed description.

The upper part in the first water tank is sequentially provided with a coarse filter unit and a fine filter unit, the side wall of the water tank is provided with a water inlet 15 above the coarse filter unit, the coarse filter unit comprises a coarse filter screen and a corresponding first scraping plate mechanism, the fine filter unit comprises a fine filter screen and a corresponding second scraping plate mechanism, and the first scraping plate mechanism and the second scraping plate mechanism are synchronously driven by a scraping plate driving mechanism; the lower parts of the coarse filter screen and the fine filter screen are respectively provided with a flushing mechanism for flushing the coarse filter screen and the fine filter screen synchronously in the filtering process.

The flushing mechanism of the embodiment is driven by the scraper driving mechanism and synchronously moves with each level of scraper mechanism, so that the device can synchronously flush the thick filter screen and the thin filter screen while scraping impurities, the possibility of blocking the filter screen is greatly reduced, and the normal operation of the filter device is ensured, and the filtering effect and the filtering efficiency are not influenced.

The flushing mechanism comprises a water inlet pipe 121 and a water spraying pipe 122 which are communicated, wherein the water inlet pipe is used for being connected with an external clean water source, the water spraying pipe is respectively arranged below the coarse filter screen and the fine filter screen, an upper spray head 123 and a lower spray head 124 are respectively arranged on the water spraying pipe below the coarse filter screen so as to be used for flushing the lower screen surface of the coarse filter screen and the upper screen surface of the fine filter screen respectively, and an upper spray head is arranged on the water spraying pipe below the fine filter screen so as to be used for flushing the lower screen surface of the fine filter screen, so that the flushing effect is guaranteed.

The baffle plates 18 hinged to the upper parts are arranged at the two ends of each stage of filtering unit in the movement direction of the corresponding scraping plate mechanism, so that sewage is prevented from being discharged from two sides directly without filtering after entering from the water inlet. The baffle is used for being rotated upwards to be opened when the scraping plate mechanism moves to the baffle to discharge impurities, and the baffle is automatically closed downwards when no pollution is discharged.

The bottom of each baffle is provided with a silica gel strip so as to form soft contact with the filter screen, and friction and abrasion to the baffle and the filter screen are reduced.

A partition plate 17 which is matched and connected with the inner side wall of the water tank is respectively fixed below the baffle plates at the two ends of the last stage of filtering unit in the first water tank, and is used for separating two sewage chambers at the upper positions of the two sides of the interior of the water tank, and the rest parts are water storage chambers; a drain 19 for discharging impurities out of the water tank is arranged on the side wall of the water tank at the bottom of the drain cavity.

The partition plate 17 includes a bottom plate and side plates, which are similar in section toThe bottom plate extends obliquely downwards to the inner side wall of the water tank so as to facilitate the natural downwards movement of impurities to the drain outlet 19 at the bottom.

The scraper driving mechanism 13 adopts a motor and gear rack driving mode, and specifically comprises a driving motor 131, the output end of the driving motor is connected with a gear, the gear is driven through a rack meshed with the gear, a sliding rail is further arranged on a rack mounting frame, a sliding block matched with the sliding rail in a fit mode is fixedly connected with the driving motor mounting frame, and all levels of scraper mechanisms are fixed with the driving motor mounting frame together to move synchronously with the driving motor.

Considering that when the water quantity to be treated is large, water is convenient to enter and treat, the water tank of this embodiment is provided with two water inlets, and the upper portions of two opposite side walls of the water tank are respectively arranged, and the aperture of the water inlet can be determined according to actual conditions.

Preferably, in order to realize automatic control, in this embodiment, an induction mechanism for inducing water inflow is disposed at each water inlet, the induction mechanism includes a water inlet cover plate 111 hinged to the upper portion, a vertical induction plate 112 and an induction sensor 113 correspondingly assembled with the induction plate are disposed at the top end of the cover plate, and the induction plate can be in inductive contact with the induction sensor along with the opening and closing of the cover plate.

The inductive sensor of this embodiment is non-contact type, can adopt photoelectric sensor or hall sensor, and the upper portion of inductive plate is fan-shaped structure, has rivers to get into from the water inlet time, can strike the apron of water inlet, and the apron upwards rotates to drive inductive plate and inductive sensor response contact, inductive sensor will respond to signal transmission to the controller in, and controller control scraper blade actuating mechanism begins work, has reached automatic control's purpose. Of course, the induction sensor can also adopt non-contact type, such as micro-switch, etc., to achieve the induction effect, and similar transformation falls within the protection scope of the utility model.

The scraper mechanism comprises a scraper, and a silica gel strip is arranged at the bottom of the scraper to form soft contact with the filter screen, so that friction and abrasion to the filter screen are reduced.

The upper part of the scraper is also provided with a water hole 16 to avoid influencing the water flow to the side when the water quantity is large.

A lift pump 115 is also provided in the first tank for lifting the filtered water from the tank to the next stage of filter.

The first tank bottom is also provided with a first sewage pump 114 for discharging the impurities precipitated to the first tank bottom after filtration. Preferably, the sewage drain pipe connected with the first sewage drain pump is communicated to the sewage drain cavity of the treatment device and is discharged along with the filtered impurities, and the design also increases the water pressure in the sewage drain cavity, so that sewage is better discharged from the sewage drain outlet.

Preferably, the drain 19 of this embodiment is connected to a municipal drain, facilitating subsequent sewage treatment.

The working principle of the multistage filtering water treatment device is as follows: the sewage to be treated flows into the first water tank 11 from the water inlet of the water tank, sequentially passes through the filtering units at all levels, the scraping plate mechanism 14 moves repeatedly all the time in the filtering process, and the impurities such as hair, dirt and the like in the sewage are scraped into the sewage discharging cavities at the two sides from the filter screen and then discharged into the municipal sewage discharging pipeline from the sewage discharging outlet; when scraping dirty, the washing mechanism that filter screen below set up is also washing the filter screen in step, can avoid impurity to jam the filter screen like this the biggest possible, guarantees filtration efficiency and filter effect.

As shown in fig. 6 to 8, the foam removing apparatus includes a foam lifting mechanism 22 including a lifting plate 221 and a lifting drive assembly 24 for driving the lifting plate to move up and down, and a foam scraping mechanism 23 including a foam scraping plate 231 and a translational drive assembly 25 for driving the foam scraping plate to move in translation, the foam lifting mechanism being used for scraping the foam to be scraped in translation by the foam scraping mechanism after lifting it to a set position.

The lifting plate 221 of this embodiment is a mesh plate that more conveniently moves the foam and gathers the foam for removal.

The lifting driving assembly 24 of this embodiment adopts motor and rack and pinion driven mode, specifically includes lifting motor 241, and lifting motor's output is connected with gear 244, and the gear is connected with lifting plate transmission through rather than the rack 242 of meshing, still is fixed with slide rail 243 on the mounting bracket of rack, and the slider and lifting motor's the mounting bracket fixed connection of coincide assembly with the slide rail.

The rack of this embodiment and the mounting bracket of slide rail are integrated into one piece structure, have guaranteed overall structure's stability and fastness. The mounting frame is fixedly connected with the lifting plate through the adapter, the adapter comprises an L-shaped connecting rod and a connecting plate, one end of the L-shaped connecting rod is fixedly connected with the top end of the rack, the other end of the L-shaped connecting rod is fixedly connected with the connecting plate, and the connecting plate is vertically and fixedly connected with the lifting plate.

The translation driving assembly 25 of the present embodiment is also driven by a motor and a rack and pinion, and specifically includes a translation motor 251, a foam scraping plate 231 fixed on a mounting frame of the translation motor to move synchronously with the translation motor 251, an output end of the translation motor connected with a gear 252, and the gear is driven by a rack engaged with the gear to drive the foam scraping plate 231 to move in a translation manner; the rack is also fixed with a sliding rail 253 on the mounting frame, and a sliding block 254 assembled in fit with the sliding rail is fixedly connected with the mounting frame of the translation motor.

The rack of this embodiment is integrated with the mounting bracket of slide rail, scrapes the bubble board through L shaped plate and translation motor's mounting bracket fixed connection, and one of them board of L shaped plate links firmly with translation motor's mounting bracket 255, and another board links firmly with scraping the bubble board 231.

The device still includes an integral frame, and the rack mounting bracket of lifting motor and translation drive assembly all is with integral frame fixed connection.

In order to control the up-down movement position of the lifting driving assembly, the embodiment sets a corresponding limit switch at the set position of the rack mounting frame of the lifting driving assembly so as to stop at the set position.

In order to control the up-and-down movement position of the translation driving assembly, the embodiment is provided with a corresponding limit switch at the set position of the rack mounting frame of the translation driving assembly.

Preferably, the bottom of the scraping plate of the embodiment is provided with a silica gel strip, so that friction and abrasion between the scraping plate and the lifting plate can be prevented.

In addition, in this embodiment, the lifting driving assembly and the translation driving assembly are driven by a motor and a gear rack, and of course, other driving modes such as hydraulic driving or driving modes such as sprocket and chain driving and belt pulley driving can also be adopted, which fall within the protection scope of the present utility model.

The working principle of the aeration foam removing device is as follows: the sewage to be treated in the second water tank is high generally not reaching the top of water tank, generally only in the well upper portion of water tank, when needs aeration removes foam, open the aerator that water tank bottom set up and foam, a large amount of foams that produce gather on the surface of water, start foam elevating system, drive the lifting plate and move to the surface of water below, wait after the foam gathers on the lifting plate, drive the lifting plate and rise, drive the foam that gathers together upwards to move to the top of water tank, start and scrape the work of bubble mechanism, drive and scrape bubble plate lateral shifting, scrape the foam on the lifting plate to the foam collection container that water tank one side set up in unified discharge.

The sterilizing component of the third-stage treatment unit is preferably an ultraviolet lamp, and can effectively irradiate the water to be treated, so that the aim of strong sterilization and disinfection is fulfilled. In addition, the lower part of the third water tank is of a conical table structure, so that the sediment collection of impurities in water is facilitated, and the precipitated impurities fall into the bottom of the conical table and are discharged through a drain pipe.

The water outlet 32 of the third tank is located at the upper part of the conical structure of the third tank, and in addition, for the convenience of automatic control, a solenoid valve 33 is provided on the water outlet pipe thereof.

As shown in fig. 9-11, the filter comprises a bracket 42, on which at least one horizontal filter body 43 (2 are shown) is fixed, each filter body has the same structure, one end of each filter body is connected with a water inlet, and the end face of the other end of each filter body is a closed structure; the filter body in this embodiment is a hollow cylindrical structure, including an outer filter shell 44 and an inner filter shell 45 with uniformly distributed mesh holes, and a filter cavity 46 is formed between the outer filter shell and the inner filter shell, and the filter cavity is filled with a filter material, so that the filter material in this embodiment does not completely fill the filter cavity for the purpose of self-cleaning. The inner filter housing encloses a water inlet channel 471 which communicates with the water inlet 47 so that the sewage to be filtered flows into the water inlet channel 471 from the water inlet, and then sequentially passes through the inner filter housing, the filter material and the outer filter housing, and the filtered water flows out of the mesh holes of the outer filter housing into the fourth water tank 41.

In addition, still be equipped with the drive arrangement who is used for driving its rotation on the filter body, when needs carry out self-cleaning, drive arrangement drive filter chamber body is rotatory, because the filter material is not fully filled up the filter chamber, so when the filter chamber body rotates, all have the clearance between the filter material granule, under the effect of sparge water, filter material granule roll friction each other in the filter chamber, also can produce friction collision between filter material granule and outer filtration shell, the interior filtration shell, make granule and outer filtration shell, interior filtration shell on the absorptive suspended solid break away from, the sewage after the washing is discharged from outer filtration shell, thereby realized the self-cleaning of filter.

Preferably, in this embodiment, 80% -95% of filter material is filled in the filter cavity, so that the self-cleaning effect is better, and meanwhile, the filtering effect is not affected.

The driving device of this embodiment is a motor 48, and in order to save space, and at the same time, consider the rationality of structural design, it is convenient to drive the filter body, so the motor is fixed at the outer end face of the closed end of the filter body.

In order to better drive the filter body in rotation, the output end of the motor of this embodiment is connected to the filter body 43 by a bearing structure.

If the water quantity to be treated is relatively large, a plurality of horizontal filter bodies can be designed in parallel, and the specific quantity is determined according to actual conditions. If the number of the horizontal filter bodies is more than or equal to 2, the horizontal filter bodies are driven to rotate by the same motor and are in transmission connection through a transmission mechanism for saving cost.

Preferably, the transmission mechanism of the present embodiment is belt driven, each filter body 43 is connected to a belt pulley 481 through a bearing, each belt pulley is connected by a belt 482 in a transmission manner, and the output end of the motor is connected to a belt pulley on one of the filter bodies in a driving manner. Of course, the number of pulleys 483 guiding the transmission may be appropriately increased in order to enhance the driving and transmission effect. Besides belt transmission, chain transmission can be adopted, and the specific structure is not repeated.

Both end surfaces of the filter body adopt plate structures, and are detachably connected with the outer filter shell and the inner filter shell. The structure is convenient for disassembling and replacing the filter material when the filter is used for a certain time and the filter material particles are worn greatly and need to be replaced.

The detachable connection structure of this embodiment is: a plurality of connecting rods 49 are circumferentially arranged in the filter cavity in a penetrating manner, penetrate through two end faces of the filter body and are respectively fixed on the outer sides of the two end faces through bolts, and the two end faces of the filter body can be tightly pressed between the outer filter shell and the inner filter shell in a screwing manner, so that axial movement of the outer filter shell and the inner filter shell is avoided.

In order to prevent radial movement of the outer filter shell and the inner filter shell, in this embodiment, two circles of circumferentially uniformly distributed limit terminals are respectively arranged on the inner side plate surfaces of two end surfaces of the filter body, the limit terminal 431 of the outer ring is located at the inner side of the outer filter shell, and the limit terminal 432 of the inner ring is located at the inner side of the inner filter shell.

Of course, the fixing modes of the outer filter shell and the inner filter shell and the two end surfaces are various, for example, the two end surfaces are extended and provided with turning edges, or the outer filter shell is provided with radial turning edges, and the turning edges are used for detachably fixing the outer filter shell or the two end surfaces, so that similar detachable structures fall into the protection scope of the utility model.

The filter works as follows: when the water tank is in normal operation, the driving motor does not work, water to be filtered flows into the water inlet channel through the water inlet, then sequentially passes through the inner filter shell, the filter material and the outer filter shell, and the filtered water flows out of the fourth water tank through meshes of the outer filter shell.

When the filter is required to be cleaned, the driving motor works to drive the filter body to rotate, because the filter material is incompletely filled in the filter cavity, filter material particles are all gapped, under the action of flushing water, the filter material is rubbed in the filter cavity in a rolling way, meanwhile, friction collision can be generated between the filter material particles and the shell walls of the outer filter shell and the inner filter shell, so that particles, suspended matters adsorbed on the outer filter shell and the inner filter shell are separated, and the flushed sewage is discharged from the outer filter shell, so that the self cleaning of the filter is realized.

In addition, the fourth-stage processing unit also comprises a quantitative dosing device, the structure of the quantitative dosing device is the same as that of the quantitative dosing part of the quantitative dosing stirring device, the outlet end of the quantitative dosing stirring device is connected to the fourth water tank, and the added medicinal powder is an active chlorine medicament for eliminating bacteria and microorganisms in water.

The outside of the fourth water tank is provided with a variable-frequency water pump so as to be used for conveying the completely treated water to recycling points of different floors for recycling.

In order to facilitate cleaning of the side walls of the water tanks, the upper parts of the second water tank, the third water tank and the fourth water tank of the embodiment are also provided with rotary jet pipes for carrying out turnover cleaning on the corresponding water tanks, and the rotary jet pipes are used for regularly flushing the water tanks.

The bottom of the fourth water tank is provided with a second sewage pump which is used for discharging the impurities which are filtered and deposited at the bottom of the water tank.

Preferably, in order to facilitate unified sewage disposal, the sewage disposal pipeline at the bottom of the second water tank, the sewage disposal pipeline at the bottom of the third water tank and the sewage disposal pipe connected with the second sewage disposal pump in the fourth water tank are all communicated together, and the sewage is discharged along with impurities in the sewage disposal cavity of the first water tank in the sewage disposal cavity connected with the sewage disposal cavity of the first water tank through the control of the sewage disposal valve, so that the water pressure in the sewage disposal cavity is increased simultaneously, and sewage is discharged from the sewage outlet better.

The first water tank is buried underground and basically flush with the ground, the fourth water tank is buried underground, the second water tank and the third water tank are arranged above the first water tank and the fourth water tank through the mounting frame, and the mounting height and the mounting field of each water tank are not required.

For the safety and the cleanliness of the system, an outer plate surface is arranged on the periphery of the whole system, all devices are arranged inside in a surrounding mode to form a closed structure, and a door capable of being opened and closed is reserved for replacement or overhaul.

The integrated full-automatic sewage treatment system utilizes the controller and the sensor to automatically control the motor and the electromagnetic valve in each level of filtering units and each component, thereby realizing the automatic work of the system, and timing cleaning and pollution discharge. The system can intelligently combine multistage physical filtration and chemical filtration modes of adding medicaments through motor control so as to meet the treatment requirements of different sewage qualities.

The working principle and the working process of the small integrated full-automatic sewage treatment system are as follows:

the wastewater to be treated flows in through the water inlet of the first water tank, is subjected to multistage filtration through the filtering unit, firstly, the impurities such as hair, dirt and the like are removed by screening, the treated water is conveyed into the second water tank through the water pump, the aeration machine is used for blasting under the action of the flocculating agent, fine suspended impurities are stuck on bubbles and gathered together, and the gathered bubbles are scraped by the bubble removing device so as to achieve the aim of removing the impurities; then, the water after aeration and bubble removal is conveyed into a third water tank through a pipeline, the water is treated by a sterilizing and disinfecting device, the treated water flows into a filter above a fourth water tank through the pipeline, overflows into the fourth water tank after the filtering action of the filter, and after the fourth water tank is further sterilized and decontaminated, the water in the water tank is pressurized and lifted to recycling points of different floors by a variable-frequency water pump for recycling.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the present utility model and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present utility model.

Claims (10)

1. A small-sized integrated full-automatic sewage treatment system is characterized by comprising at least four stages of treatment units:

the first-stage treatment unit is a multi-stage filtering device and comprises a first water tank, at least one stage of filtering unit is arranged at the upper part in the first water tank, each stage of filtering unit comprises a filter screen and a corresponding scraper mechanism, each stage of scraper mechanism is synchronously driven by the same scraper driving mechanism so as to scrape impurities on the filter screen, and filtered water is conveyed to the second-stage treatment unit;

the second-stage treatment unit is an aeration foam removing device and comprises a second water tank, an aerator and the foam removing device are arranged in the second water tank, and water after aeration foam removal is conveyed to the third-stage treatment unit;

the third-stage treatment unit is a sterilization and disinfection device and comprises a third water tank, a sterilization assembly is arranged in the third water tank, and sterilized water is conveyed to the fourth-stage treatment unit;

the fourth-stage treatment unit is a purification and filtration device and comprises a fourth water tank, a filter is arranged at the upper part of the fourth water tank, and purified and filtered water is stored in the fourth water tank and is used for being conveyed to each recycling water for reuse.

2. The miniature integrated fully automatic sewage treatment system of claim 1, further comprising at least one dosing and stirring mechanism.

3. The small integrated full-automatic sewage treatment system according to claim 2, wherein the quantitative dosing stirring mechanism comprises a vertical cartridge, a dosing tube is arranged at the bottom outlet end of the cartridge, a rotary dosing roller which is in sealing fit with the bottom outlet of the cartridge and is rotationally assembled with the dosing tube is arranged in the dosing tube, the rotary dosing roller is driven to rotate by a dosing driving assembly, and quantitative grooves are uniformly distributed on the surface of the rotary dosing roller; the lower part of the dosing tube is provided with a stirring tube, the side wall of the stirring tube is provided with a water inlet hole, and a stirring component is arranged in the stirring tube for stirring and mixing the medicinal powder and water.

4. A miniature integrated full-automatic sewage treatment system according to claim 3, wherein a flushing mechanism is respectively arranged below each stage of filter screen in the multi-stage filter device for synchronously flushing the filter screen in the filtering process, and the flushing mechanism is also driven by a scraper driving mechanism and synchronously moves with the scraper mechanism.

5. The small-sized integrated full-automatic sewage treatment system according to claim 4, wherein each stage of the filtering units in the multi-stage filtering device is provided with a baffle plate hinged at the upper part at the two ends of the corresponding scraper mechanism in the moving direction, and the baffle plate is used for being opened to discharge impurities when the scraper mechanism moves to the baffle plate; a partition plate connected with the inner side wall of the water tank is arranged below the baffle plates at the two ends of the last stage of filtering unit in the water tank, and the partition plate is used for separating two sewage discharging cavities at the upper parts of the two sides of the interior of the water tank; and a drain outlet for discharging impurities out of the water tank is formed in the bottom of the drain cavity on the side wall of the water tank.

6. The system of claim 5, wherein a water inlet is formed in the side wall of the fourth water tank of the multi-stage filtering device above the first-stage filtering unit, an induction mechanism for inducing water inflow is arranged at the water inlet, the induction mechanism comprises a water inlet cover plate hinged to the upper portion, an induction plate perpendicular to the cover plate and an induction sensor correspondingly assembled with the cover plate are arranged at the top end of the cover plate, and the induction plate can be in inductive contact with the induction sensor when the cover plate is opened.

7. The miniature integrated full-automatic sewage treatment system according to claim 6, wherein the foam removing device comprises a foam lifting mechanism and a foam scraping mechanism, the foam lifting mechanism comprises a lifting plate and a lifting driving assembly for driving the lifting plate to move up and down, the foam scraping mechanism comprises a scraping plate and a translation driving assembly for driving the scraping plate to move in a translation mode, the foam lifting mechanism is used for scraping foam to be scraped in a translation mode by the foam scraping mechanism after the foam to be scraped is lifted to a set position, and the lifting plate is a mesh plate.

8. The miniature integrated fully automatic sewage treatment system according to claim 7, wherein said sterilizing and disinfecting means is an ultraviolet lamp.

9. The small integrated full-automatic sewage treatment system according to claim 8, wherein the purifying and filtering device comprises at least one horizontal filter body, one end of the horizontal filter body is connected with the water inlet, the end face of the other end is of a closed structure, the filter body comprises an outer filter shell and an inner filter shell, the outer filter shell and the inner filter shell are uniformly distributed with mesh holes, a filter cavity is formed between the outer filter shell and the inner filter shell, filter materials are filled in the filter cavity, and the filter materials are not completely filled in the filter cavity; the inner filter shell is surrounded to form a water inlet channel which is communicated with the water inlet; the filter body is also provided with a driving device for driving the filter body to rotate, and the driving device drives the filter cavity body to rotate so as to drive the filter materials to mutually roll and rub in the filter cavity, thereby realizing self-cleaning of the filter.

10. The small-sized integrated full-automatic sewage treatment system according to claim 9, wherein the upper parts of the second water tank, the third water tank and the fourth water tank are further provided with rotary spray pipes for performing turnover cleaning on the corresponding water tanks.