Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides an organic wastewater and sewage pretreatment device.
The utility model aims at achieving the purposes, and adopts the following technical scheme that the organic wastewater sewage pretreatment device comprises a mixing box and a filtering box, wherein a stirring mechanism is arranged in the mixing box, one end of the top of the mixing box is provided with a medicine adding port, the filtering box is arranged at the other end of the top of the mixing box, one side wall of the mixing box is provided with a plurality of water outlets from top to bottom, the bottom of one side wall is provided with a sewage outlet, the outer side wall of the mixing box is provided with a transparent observation window, the bottom of the filtering box is provided with a water outlet pipe, one side of the water outlet pipe is provided with a water guide pipe penetrating into the mixing box, the bottom of the water outlet pipe is provided with a discharge port, the inner wall of the filtering box is provided with a filter screen, one side of the filter screen is provided with a slot, the center of the filter screen is rotationally connected with a sleeve, the inner wall of the sleeve is fixedly provided with a rotating shaft, the cover of the filter screen is provided with a box cover, the outer wall of the sleeve positioned at the lower part of the filter screen is detachably provided with a backwash pipe, the inner wall of the sleeve is provided with a hollow cavity between the inner wall of the sleeve, the backwash pipe is communicated with the cavity, the upper end of the filter screen is fixedly connected with the inner wall of the filter screen, the filter screen is provided with the filter plate, and the filter screen is in a sealed space is in a sealed joint between the sealed top and the sealed top wall is arranged, and the sealed top is sealed and sealed by the sealed top cover.
In particular, the stirring mechanism comprises a first motor, a stirring shaft and stirring blades, wherein the stirring shaft is rotationally connected between the inner walls of the two sides of the mixing box, a plurality of pairs of stirring blades are arranged on the outer wall of the stirring shaft, and the first motor is arranged on the outer wall of the mixing box and drives the stirring shaft to rotate.
In particular, the bottom of the water outlet pipe is an inclined plane, and the bottom of the filter tank is arranged in a downward inclined way towards the direction of the water outlet pipe.
In particular, the outer wall of the sleeve is fixedly provided with a horizontal inserted bar, the scraping plate is provided with a jack corresponding to the inserted bar, and the scraping plate is inserted on the inserted bar through the jack.
Specifically, the power unit includes the support of falling U type, second motor, and the support sets firmly at the case lid top, and the second motor is installed at the support top, and in the pivot top was worn into the support, through gear drive between the main shaft of pivot and second motor, the inlet pipe that is the shape of falling L was installed to support side wall, and the exit end and the pivot top rotation of inlet pipe are connected.
In particular, the outer wall of the sealing cover is provided with a first handle.
In particular, a second handle is arranged on the side wall of one end of the baffle, which penetrates through the sealing cover.
The utility model has the advantages that the utility model is convenient for scraping and cleaning the filter screen by arranging the groove, the rotating shaft, the sleeve, the inserted link, the scraping plate, the back flushing pipe, the baffle, the mounting plate, the sealing cover and the power mechanism, the residue in the screen mouth of the filter screen can be cleaned, the cleaning efficiency is higher, the cleaning effect is better, the scraping plate and the back flushing pipe are convenient to disassemble and assemble, the later maintenance is convenient, and the sealing cover can prevent waste water from splashing and is convenient to use.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
As shown in figures 1-2, an organic wastewater sewage pretreatment device comprises a mixing box 1 and a filtering box 7, wherein a stirring mechanism is arranged in the mixing box 1, one end of the top of the mixing box 1 is provided with a dosing port 6, the filtering box 7 is arranged at the other end of the top of the mixing box 1, a water outlet pipe 21 is arranged at the bottom of the filtering box 7, a water guide pipe 23 penetrating into the mixing box 1 is arranged at one side of the water outlet pipe 21, a plurality of water outlets 4 are arranged on one side wall of the mixing box 1 from top to bottom, a sewage drain 24 is arranged at the bottom of one side wall, a transparent observation window is arranged on the outer side wall of the mixing box 1, the stirring mechanism comprises a first motor 2, a stirring shaft 3 and stirring blades 5, the stirring shaft 3 is rotatably connected between the inner walls of the two sides of the mixing box 1, a plurality of pairs of stirring blades 5 are arranged on the outer wall of the stirring shaft 3, the first motor 2 is arranged on the outer wall of the mixing box 1 and drives the stirring shaft 3 to rotate, specifically, when wastewater is flocculated and settled, the flocculant enters the mixing box 1 from the dosing port 6, the wastewater subjected to preliminary filtration through the filtering box 1 enters the water outlet pipe 21 and the water guide pipe 23, the water outlet pipe 4 rotates under the action of the first motor 2, the stirring shaft 3 rotates under the action of the first motor 2, the stirring blades 5 and the action of the water drain 4, the water outlet 4 and the transparent observation window is arranged at the water drain window, and the water drain layer is completely, and the sewage layer is completely sedimented, and the sewage layer is discharged from the sewage layer, namely the sewage layer is completely.
The bottom of the water outlet pipe 21 is provided with a discharge opening 22, the bottom of the water outlet pipe 21 is inclined, the bottom of the filter tank 7 is downwards inclined towards the direction of the water outlet pipe 21, waste water is discharged completely when the filter tank 7 is cleaned, the inner wall of the filter tank 7 is provided with a filter screen 8, one side of the filter screen 8 is provided with a slot 17, the center of the filter screen 8 is rotationally connected with a sleeve 25, the inner wall of the sleeve 25 is fixedly provided with a rotating shaft 13, a box cover 9 at the top of the filter tank 7 is provided with a power mechanism for driving the rotating shaft 13 to rotate, the power mechanism comprises an inverted U-shaped support 10 and a second motor 11, the support 10 is fixedly arranged at the top of the box cover 9, the second motor 11 is arranged at the top of the support 10, the top of the rotating shaft 13 penetrates into the support 10, a main shaft of the second motor 11 is transmitted through gears, one side wall of the support 10 is provided with a feed pipe 12 in the shape of a horizontal L, and the outlet end of the feed pipe 12 is rotationally connected with the top of the rotating shaft 13;
The outer wall of a sleeve 25 positioned at the upper part of the filter screen 8 is inserted with a scraping plate 15, the outer wall of the sleeve 25 is fixedly provided with a horizontal inserted rod 16, the scraping plate 15 is provided with an inserting hole corresponding to the inserted rod 16, and the scraping plate 15 is inserted on the inserted rod 16 through the inserting hole;
The outer wall of the sleeve 25 positioned at the lower part of the filter screen 8 is detachably provided with a back flushing pipe 19, for example, the back flushing pipe 19 can be connected to the outer wall of the sleeve 25 in a threaded manner, the top of the back flushing pipe 19 is provided with a plurality of nozzles 20, the inside of the rotating shaft 13 is arranged in a hollow manner, a cavity is reserved between the rotating shaft 13 and the inner bottom of the sleeve 25, and the back flushing pipe 19 is communicated with the cavity;
The top and the bottom of the sleeve 25 are correspondingly provided with mounting plates 14 fixedly connected with the inner walls of the filter box 7, one side wall of the filter box 7 is provided with openings corresponding to the upper mounting plate 14 and the lower mounting plate 14, a sealing cover 28 is arranged in each opening, the outer wall of the sealing cover 28 is provided with a first handle 18, a pair of baffles 26 are inserted on the sealing cover 28 in a sliding manner, the side wall of one end of each baffle 26 penetrating out of the sealing cover 28 is provided with a second handle 27, the top and the bottom of each baffle 26 are arranged between the opposite surfaces of the upper mounting plate 14 and the lower mounting plate 14 in a sliding manner, the baffles 26 are abutted with the front wall and the rear wall of the sleeve 25, the baffle 26, the mounting plates 14, the sleeve 25 and the sealing cover 28 jointly form a closed space communicated with the grooves 17, and the scraping plates 15 and the backwashing pipes 19 are positioned in the closed space.
The center of the top of the mounting plate 14 positioned below can also be arranged in a protruding way, namely the longitudinal section of the mounting plate 14 positioned below is triangular, and the protruding part is not contacted with the backwashing pipe 19, so that the wastewater can slide from the mounting plate 14 conveniently during cleaning, and the wastewater is prevented from being trapped on the mounting plate 14.
Specifically, when the filter screen 8 in the filter box 7 needs to be cleaned, the second handle 27 is pulled outwards, interference caused by the baffle 26 to the circular motion of the scraping plate 15 and the backwashing pipe 19 is avoided, the second motor 11 is started, the rotating shaft 13 drives the sleeve 25 to rotate, the sleeve 25 drives the scraping plate 15 and the backwashing pipe 19 to rotate, the scraping plate 15 starts to scrape residues on the upper surface of the filter screen 8, the feeding pipe 12 can be filled with air or water according to requirements, the filter screen 8 is backwashed, residues blocked in the mesh of the filter screen 8 are flushed out, then the scraping plate 15 is scraped away, when the scraping plate 15 scrapes to the slot 17, waste water and waste materials fall into the filter box 7 through the slot 17, then are discharged through the water outlet pipe 21 and the discharge pipe 22, and when cleaning and maintenance of the scraping plate 15 and the backwashing pipe 19 are needed, the sealing cover 28 and the baffle 26 are taken out by holding the first handle 18, and then the scraping plate 15 is directly rotated out.
The utility model has better cleaning effect on the filter screen 8, and the scraper 15 and the back flushing pipe 19 are convenient to disassemble and assemble and flexible to use.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or communicable with each other, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interactive relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is intended to cover various modifications, either made by the method concepts and technical solutions of the utility model, or applied directly to other applications without modification, within the scope of the utility model.