CN217600516U

CN217600516U - A sewage treatment plant for town domestic sewage purification treatment

Info

Publication number: CN217600516U
Application number: CN202221182538.5U
Authority: CN
Inventors: 苏倚; 荆秀林
Original assignee: Qingdao Green Water Water Co ltd
Current assignee: Qingdao Green Water Water Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-10-18
Anticipated expiration: 2032-05-17

Abstract

The utility model belongs to the technical field of sewage treatment devices, and discloses a sewage treatment device for urban domestic sewage purification treatment, which comprises a main body, wherein a scraper blade, a grid, an aeration tank and a settling bin are sequentially arranged in the main body along the sewage flow direction; a rotatable screw is arranged in the main body, the scraper is sleeved on the screw in a rotating mode, and the scraper can reciprocate on the surface of the grating in a direction perpendicular to the flow direction of the sewage; follow the moving direction of scraper blade is in two drain have been seted up to the symmetry in the main part, the utility model discloses under the drive of motor, through the effect of closing soon between screw rod and the scraper blade for linear motion is made to the scraper blade, passes through the inside that the drain released the main part with the debris that are detained on the grid, through the positive and negative rotation of control motor, can change the direction of motion of scraper blade, and this structure can replace the manual work to carry out periodic cleaning to the grid, and reduces staff's working strength.

Description

A sewage treatment plant for town domestic sewage purification treatment

Technical Field

The utility model belongs to the technical field of sewage treatment unit, concretely relates to a sewage treatment unit for town domestic sewage purification treatment.

Background

Domestic sewage is wastewater discharged in daily life of residents and mainly comes from residential buildings and public buildings, and pollutants contained in the domestic sewage are mainly organic matters and a large amount of pathogenic microorganisms; organic matters existing in the domestic sewage are extremely unstable and are easy to decay to generate stink, and bacteria and pathogens propagate in large quantities by taking the organic matters in the domestic sewage as nutrition, so that infectious diseases can be spread and popularized; therefore, domestic sewage must be treated before being discharged.

In sewage treatment process, at first can make sewage pass in the grid gets into processing apparatus, carry out tentatively holding back by the great impurity of grid subassembly diameter in to the water, but present grid blocks and need artifical regularly to clear up it behind the impurity, otherwise can lead to the grid to block up, in sewage treatment process, can carry out a lot of filtration moreover, but present filtration mode mainly relies on the gravity of water self to permeate, and efficiency is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewage treatment plant for town domestic sewage purification treatment to need artifical periodic cleaning and current filtration mode to it to permeate, the lower problem of efficiency mainly rely on the gravity of water self to solve behind the grid that provides stops impurity among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sewage treatment device for urban domestic sewage purification treatment comprises a main body, wherein a scraper, a grid, an aeration box and a settling bin are sequentially arranged in the main body along the sewage flow direction; a rotatable screw is arranged in the main body, the scraper is sleeved on the screw in a rotating mode, and the scraper can move on the surface of the grating in a reciprocating mode in the direction perpendicular to the flow direction of the sewage; two sewage discharge outlets are symmetrically formed in the main body along the moving direction of the scraper, and the two sewage discharge outlets are respectively matched with the two sides of the scraper; the bottom of the precipitation bin is connected with a drain pipe, a valve is installed on the drain pipe, one side of the precipitation bin is connected with a water pipe, and the water pipe is located above the drain pipe.

Preferably, two slide carriages are symmetrically arranged on the main body and are respectively positioned below the two sewage outlets.

Preferably, a detachable box cover is connected to the water inlet side of the main body, and a water inlet is formed in the box cover.

Preferably, two mounting grooves are symmetrically formed in the main body, and the grating is detachably fitted between the two mounting grooves.

Preferably, a water channel which can be communicated with the settling bin is formed in the water outlet side of the aeration tank, and an opening and closing valve is installed in the water channel.

Preferably, a filtering chamber is arranged between the aeration tank and the sedimentation bin, a filtering net and a supporting plate are sequentially arranged in the filtering chamber along the sewage flow direction, and a plurality of water holes are formed in the supporting plate.

Preferably, a support plate is rotatably connected to the support plate, the filter screens are fixed to the support plate and are enclosed by at least one filter screen to form a filter inner cavity, and the water channel extends into the filter inner cavity.

Preferably, a disinfection box is fixed on the main body, a water pump is installed on the disinfection box, and the water inlet end of the water pump is communicated with the water pipe; one side of the sterilizing box is fixedly connected with a medicine injection pipe, and the bottom of the sterilizing box is provided with a water outlet.

Preferably, a plurality of exhaust pipes are arranged on both sides of the aeration tank, and a support is fixedly connected below the main body.

Preferably, an access panel is rotatably connected to one side of the main body at a position corresponding to the filter chamber, a handle is fixedly connected to the access panel, and the access panel is located at one side adjacent to the sterilizing box.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model discloses under the drive of motor, through the close effect soon between screw rod and the scraper blade, make linear motion be made to the scraper blade, and at the in-process of motion, pass through the inside that the main part was released to the debris that is detained on the grid through the drain, through the positive and negative rotation of control motor, can change the direction of motion of scraper blade, and all have the drain in two directions of scraper blade motion, this structure principle is simple, high durability and convenient use, can replace the manual work to carry out periodic cleaning to the grid, thereby can avoid the grid to block up, and reduce staff's working strength.

(2) The utility model discloses under micro motor's drive, make the extension board drive the high-speed rotation of filter screen, meanwhile, sewage after the aeration gets into between the filter screen, the centrifugal force that utilizes rotatory production makes it pass the filter screen fast, fall on in the backup pad, sewage passes the water hole in the backup pad afterwards and can flow in and deposit the storehouse, at this in-process, the filter screen can intercept some impurity, this structure sieves out impurity through the centrifugal force that high-speed rotation produced to accelerate sewage filterable speed, and can improve filterable effect.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a top view of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

FIG. 5 is an enlarged view of a portion of FIG. 2 at C;

in the figure: 1. a main body; 2. a box cover; 3. a water inlet; 4. mounting grooves; 5. a grid; 6. an aeration tank; 7. a water channel; 8. opening and closing a valve; 9. an exhaust pipe; 10. a filtering chamber; 11. a support plate; 12. a support plate; 13. filtering with a screen; 14. a water pore; 15. a settling bin; 16. a sewage discharge pipe; 17. a valve; 18. a sterilizing box; 19. a water pump; 20. a water pipe; 21. a water discharge port; 22. a support; 23. a handle; 24. a screw; 25. a squeegee; 26. a sewage draining outlet; 27. a slide carriage; 28. a medicine injection tube; 29. and (7) overhauling the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a sewage treatment device for purification treatment of urban domestic sewage comprises a main body 1, and a scraper 25, a grid 5, an aeration tank 6 and a settling bin 15 are sequentially arranged in the main body 1 along a sewage flow direction; a rotatable screw 24 is arranged in the main body 1, a scraper 25 is sleeved on the screw 24 in a rotating manner, and the scraper 25 can reciprocate on the surface of the grating 5 along the direction vertical to the sewage flow direction; two sewage discharge ports 26 are symmetrically formed in the main body 1 along the moving direction of the scraper 25, and the two sewage discharge ports 26 are respectively matched with the two sides of the scraper 25; the bottom of the settling bin 15 is connected with a sewage discharge pipe 16, a valve 17 is arranged on the sewage discharge pipe 16, one side of the settling bin 15 is connected with a water pipe 20, and the water pipe 20 is positioned above the sewage discharge pipe 16.

Specifically, when the technical scheme disclosed above is used for executing the treatment of domestic sewage:

the sewage that gets into main part 1 passes grid 5 in mounting groove 4 at first, stay major diameter granule impurity above grid 5, sewage falls into aeration tank 6 afterwards, a large amount of aerobic floras have been placed in aeration tank 6, the oxygen in the bacterium absorption sewage, the organic matter in the sewage is finally decomposed into carbon dioxide and is discharged, sewage gets into and deposits the storehouse 15, and add the flocculating agent in the storehouse, so that deposit and go on fast, after the layering, pass through water pipe 20 with the supernatant in the storehouse and pull out main part 1, and the precipitate is then under valve 17's control, discharge along blow off pipe 16, screw rod 24 selects motor drive, through the mutual spiral-closure effect between screw rod 24 and scraper 25, can make scraper 25 make rectilinear motion, and in the course of moving, the debris that are detained on grid 5 are discharged through drain 26, and can realize the change of scraper 25 moving direction through the positive and negative rotation of control motor.

In the above, further, two slide carriages 27 are symmetrically arranged on the main body 1, and the two slide carriages 27 are respectively positioned below the two sewage outlets 26. Preferably, a certain included angle is set between the slide carriage 27 below the sewage draining outlet 26 and the main body 1, and the included angle can be adjusted, so that the discharged impurities are effectively prevented from being attached to the outer wall of the main body 1, and the cleanness of the outer wall is guaranteed.

From the above, the above technical scheme in sewage carry out steps such as 5 filtration of grid, 6 aeration oxidation treatment of aeration tank, deposit 15 sediment separation processes in storehouse, further in the utility model discloses in still provide a further preferred processing structure:

a filter chamber 10 is arranged between the aeration tank 6 and the sedimentation bin 15, a filter screen 13 and a support plate 11 are sequentially arranged in the filter chamber 10 along the sewage flow direction, and a plurality of water holes 14 are formed in the support plate 11;

a support plate 12 is rotatably connected to the support plate 11, and the filter screens 13 are fixed on the support plate 12 and form a filter inner cavity by enclosing at least one filter screen 13;

a water channel 7 is arranged at the water outlet side of the aeration tank 6, the water channel 7 extends into the filtering inner cavity, and an opening and closing valve 8 is arranged in the water channel 7.

In the above further preferred processing structure, the sewage is sequentially subjected to the steps of filtering by the grating 5, aeration and oxidation treatment by the aeration box 6, filtering by the filter screen 13, filtering by the support plate 11, precipitation and separation treatment by the precipitation bin 15 and the like, so that the multistage filtering of the sewage is realized by reasonable assembly among the structures, and the aim of improving the treatment effect is fulfilled.

Specifically, an opening and closing valve 8 is installed in the water channel 7 so as to control the communication state between the aeration tank 6 and the filtering chamber 10 by using the opening and closing valve 8, and aeration oxidation treatment at different times is sequentially and conveniently performed according to different pollution degrees of sewage.

Specifically, the support plate 12 is preferably driven by a micro motor, and the filter inner cavity formed by enclosing the filter screens 13 may have a circular cross section when only one or two filter screens 13 are provided, a triangular cross section when three filter screens 13 are provided, or a quadrangular cross section when four filter screens 13 are provided.

Further, an access panel 29 is rotatably connected to a side of the main body 1 corresponding to the position of the filtering chamber 10, a handle 23 is fixedly connected to the access panel 29, and the access panel 29 is located at a side adjacent to the sterilizing chamber 18. Particularly, the access panel 29 can be conveniently switched by the handle 23, and after the access panel 29 is opened, the maintenance can be carried out on some parts in the filtering chamber 10, mainly the filtering inner chamber formed by the filtering net 13 is cleaned, and the access panel 29 needs to be closed when filtering, so that the overflow of sewage is effectively avoided.

In summary, further preferred structures are also provided for the specific processing structure disclosed above:

two mounting grooves 4 are symmetrically formed in the main body 1, and the grating 5 is detachably fitted between the two mounting grooves 4. Based on this, the quick assembly disassembly and the change of different grade type grid 5 are carried out according to the filtration demand of difference to the convenience.

A disinfection box 18 is fixed on the main body 1, a water pump 19 is arranged on the disinfection box 18, and the water inlet end of the water pump 19 is communicated with a water pipe 20; a drug injection tube 28 is fixedly connected to one side of the sterilization case 18, and a drain port 21 is provided at the bottom of the sterilization case 18. Specifically, can be with depositing in the storehouse 15 supernatant along water pipe 20 fast pump send to disinfect box 18 in through water pump 19, be provided with one injection pipe 28 on disinfect box 18 at least, can inject disinfection material such as chlorine into disinfect box 18 through injection pipe 28, water after the disinfection alright discharge through outlet 21.

In addition, a bracket 22 is fixedly connected below the main body 1, a detachable box cover 2 is connected to the water inlet side of the main body 1, and a water inlet 3 is arranged on the box cover 2. Specifically, support 22 is used for supporting overall structure, and water inlet 3 is provided with one at least, and can connect the external pipe through water inlet 3 and be used for concentrating leading-in main part 1 with sewage in. The box cover 2 is preferably detachably provided to the main body 1, thereby facilitating the disassembly and maintenance of the internal components of the main body 1.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sewage treatment plant for town domestic sewage purification treatment which characterized in that: comprises a main body (1), and a scraper (25), a grating (5), an aeration box (6) and a settling bin (15) are sequentially arranged in the main body (1) along the sewage flow direction;

a rotatable screw (24) is arranged in the main body (1), the scraper (25) is sleeved on the screw (24) in a rotating mode, and the scraper (25) can move on the surface of the grating (5) in a reciprocating mode in the direction perpendicular to the flow direction of sewage;

two sewage outlets (26) are symmetrically formed in the main body (1) along the moving direction of the scraper (25), and the two sewage outlets (26) are respectively matched with the two sides of the scraper (25);

the bottom of the settling bin (15) is connected with a drain pipe (16), a valve (17) is installed on the drain pipe (16), one side of the settling bin (15) is connected with a water pipe (20), and the water pipe (20) is located above the drain pipe (16).

2. The sewage treatment device for the purification treatment of urban domestic sewage according to claim 1, wherein: the main body (1) is symmetrically provided with two slide carriages (27), and the two slide carriages (27) are respectively positioned below the two sewage outlets (26).

3. The sewage treatment device for the purification treatment of urban domestic sewage according to claim 1, wherein: the water inlet side of the main body (1) is connected with a detachable box cover (2), and a water inlet (3) is formed in the box cover (2).

4. The sewage treatment device for the purification treatment of the urban domestic sewage according to claim 1, wherein: two mounting grooves (4) are symmetrically formed in the main body (1), and the grating (5) is detachably matched between the two mounting grooves (4).

5. The sewage treatment device for the purification treatment of the urban domestic sewage according to claim 1, wherein: a water channel (7) which can be communicated with the sedimentation bin (15) is formed in the water outlet side of the aeration tank (6), and an opening and closing valve (8) is arranged in the water channel (7).

6. The sewage treatment device for the purification treatment of the urban domestic sewage according to claim 5, wherein: a filter chamber (10) is arranged between the aeration tank (6) and the sedimentation bin (15), a filter screen (13) and a support plate (11) are sequentially arranged in the filter chamber (10) along the sewage flow direction, and a plurality of water holes (14) are formed in the support plate (11).

7. The sewage treatment device for the purification treatment of urban domestic sewage according to claim 6, wherein: it is connected with extension board (12) to rotate on backup pad (11), filter screen (13) are fixed in on extension board (12), and enclose through at least one filter screen (13) and close and form one and filter the inner chamber, water course (7) extend to and filter in the inner chamber.

8. The sewage treatment device for the purification treatment of the urban domestic sewage according to claim 1, wherein: a disinfection box (18) is fixed on the main body (1), a water pump (19) is installed on the disinfection box (18), and the water inlet end of the water pump (19) is communicated with a water pipe (20); a drug injection pipe (28) is fixedly connected to one side of the sterilizing box (18), and a water outlet (21) is arranged at the bottom of the sterilizing box (18).

9. The sewage treatment device for the purification treatment of the urban domestic sewage according to claim 1, wherein: a plurality of exhaust pipes (9) are arranged on two sides of the aeration box (6), and a support (22) is fixedly connected below the main body (1).

10. The sewage treatment device for the purification treatment of urban domestic sewage according to claim 6, wherein: an access panel (29) is rotatably connected to one side of the main body (1) corresponding to the position of the filter chamber (10), a handle (23) is fixedly connected to the access panel (29), and the access panel (29) is located on one side adjacent to the disinfection box (18).