CN211311144U

CN211311144U - Multistage sewage treatment system

Info

Publication number: CN211311144U
Application number: CN201922067782.1U
Authority: CN
Inventors: 吴金; 关建磊
Original assignee: Shandong Hailin Environmental Protection Equipment Engineering Co ltd
Current assignee: Shandong Hailin Environmental Protection Equipment Engineering Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-08-21
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a multistage sewage treatment system, which belongs to the field of sewage treatment and comprises a pretreatment tank, wherein the upper end of the pretreatment tank is fixedly connected with a liquid inlet pipe, the pretreatment tank is hinged with a first sealing door, the pretreatment tank is internally fixedly connected with a plurality of evenly distributed placing frames, a plurality of placing frames are respectively clamped with filter screens with different apertures, the lower end of the pretreatment tank is fixedly connected with a second-stage treatment tank, two pairs of connecting pipes are connected between the pretreatment tank and the second-stage treatment tank, the second-stage treatment tank is hinged with a second sealing door, a baffle plate is fixedly connected in the second-stage treatment tank, an active carbon filter element is clamped between the baffle plate and the top end of the inner wall of the second-stage treatment tank, a water guide pipe matched with the active carbon filter element is fixedly connected on the baffle plate, the lower end of the second-stage treatment tank is fixedly connected with a settling chamber, the maintenance and the disassembly and the assembly of the filtering mechanism are convenient.

Description

Multistage sewage treatment system

Technical Field

The utility model relates to a sewage treatment field, more specifically say, relate to a multistage sewage treatment system.

Background

Sewage treatment refers to a process in which sewage is purified to meet the water quality requirements for drainage or reuse. The sewage treatment is generally classified into production sewage treatment and domestic sewage treatment according to the classification of sewage sources. The domestic sewage treatment generally comprises the steps of filtration, aeration, precipitation and the like. Aeration is a process of forcibly transferring oxygen in the air into liquid, and aims to make the sewage obtain dissolved oxygen so as to ensure that microorganisms in the sewage have sufficient dissolved oxygen when decomposing organic matters.

The sewage treatment mode of the current sewage treatment system comprises the following steps: firstly, a sewage collecting device collects discharged sewage and then inputs the sewage into a filtering device; secondly, oxidizing the sewage by using an oxidizing device after the sewage is filtered by a filtering device; thirdly, inputting the sewage after oxidation treatment into a sedimentation tank for sedimentation; fourthly, disinfecting the sewage in the sedimentation tank, and finally discharging the sewage.

The filter equipment among the current domestic sewage treatment system is a lower pond that has the filter screen usually, and domestic sewage emptys and carries out the preliminary treatment of sewage in having the lower pond of filter screen to great pollutant in the sewage is got rid of to this, and long-time filtration can make the dirt on the filter screen pile up, blocks up the filtration passageway easily, so need often clear up the filter residue in the filter screen, and is very inconvenient.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a multistage sewage treatment system, it is through setting up two treatment tank, set up multistage filter screen and a filter core in two treatment tank respectively to this carries out multistage filtration to sewage, the filter screen setting is on the mounting bracket in a treatment tank simultaneously, can dismantle, the filter core joint is in another treatment tank, the sewage after being filtered directly falls to the drip chamber and subsides, can realize carrying out multistage filtration to sewage, make things convenient for filtering mechanism's maintenance and dismouting.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A multi-stage sewage treatment system comprises a pretreatment tank, wherein the upper end of the pretreatment tank is fixedly connected with a liquid inlet pipe, the pretreatment tank is hinged with a first sealing door, the pretreatment tank is internally and fixedly connected with a plurality of uniformly distributed placing frames, the placing frames are respectively clamped with filter screens with different apertures, the lower end of the pretreatment tank is fixedly connected with a secondary treatment tank, two pairs of connecting pipes are connected between the pretreatment tank and the secondary treatment tank, the secondary treatment tank is hinged with a second sealing door, the secondary treatment tank is internally and fixedly connected with a partition plate, an activated carbon filter element is clamped between the partition plate and the top end of the inner wall of the secondary treatment tank, the partition plate is fixedly connected with a water guide pipe matched with the activated carbon filter element, the lower end of the secondary treatment tank is fixedly connected with a settling chamber, and the water guide pipe is communicated with the inner cavity of the settling chamber, the sedimentation chamber is fixedly connected with a liquid discharge pipe, so that sewage can be subjected to multistage filtration, and the filter mechanism is convenient to maintain, disassemble and assemble.

Further, it is a plurality of the filter screen is arranged from top to bottom according to the aperture from big to little, easily filters sewage step by step, prevents that the filter screen from being stifled by the impurity in the sewage and dies, prevents that the preliminary treatment jar from blockking up.

Further, the outside fixedly connected with collar of filter screen, fixedly connected with and rack phase-match rubber sealing ring on the collar easily improves the leakproofness of filter screen and rack junction.

Further, the inlet of connecting pipe is located the inner wall bottom of preliminary treatment jar, the liquid outlet of connecting pipe is located the inner wall bottom of secondary treatment jar, conveniently with in the preliminary treatment jar by filterable liquid leading-in secondary treatment jar.

Furthermore, one end of the connecting pipe close to the secondary treatment tank is fixedly connected with a one-way valve, so that liquid backflow is easily prevented.

Furthermore, the equal fixedly connected with rubber snap ring in upper and lower both ends of active carbon filter core, all open on the inner wall of secondary treatment jar and the baffle chisel have with rubber snap ring assorted ring channel, the location when making things convenient for the installation of active carbon filter core.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can realize carrying out the multistage filtration to sewage, makes things convenient for filtering mechanism's maintenance and dismouting.

(2) A plurality of filter screens are arranged from top to bottom according to the aperture from big to small, easily filter sewage step by step, prevent that the filter screen from being stifled by the impurity in the sewage and dying, prevent that the preliminary treatment jar from blockking up.

(3) The outside fixedly connected with collar of filter screen, fixedly connected with and rack phase-match rubber seal circle on the collar easily improve the leakproofness of filter screen and rack junction.

(4) The inlet of connecting pipe is located the inner wall bottom of preliminary treatment jar, and the liquid outlet of connecting pipe is located the inner wall bottom of secondary treatment jar, conveniently with in the preliminary treatment jar by filterable liquid leading-in secondary treatment jar.

(5) One end of the connecting pipe close to the secondary treatment tank is fixedly connected with a one-way valve, so that liquid backflow is easily prevented.

(6) The equal fixedly connected with rubber snap ring in upper and lower both ends of active carbon filter core, all open on the inner wall of secondary treatment jar and the baffle chisel have with rubber snap ring assorted ring channel, the location when making things convenient for the installation of active carbon filter core.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a perspective view of the first sealing door and the second sealing door of the present invention;

fig. 3 is a cross-sectional view of the present invention.

The reference numbers in the figures illustrate:

1 pretreatment tank, 101 first sealing door, 102 placing rack, 103 filter screen, 2 liquid inlet pipe, 3 secondary treatment tank, 301 second sealing door, 302 active carbon filter element, 303 baffle, 4 connecting pipes, 5 settling chamber, 6 aqueduct, 7 drain pipe and 8 one-way valve.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected with each other or indirectly through an intermediate medium, or they may be connected with each other through the inside of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

please refer to fig. 1-3, a multistage sewage treatment system, including pretreatment tank 1, the upper end fixedly connected with feed liquor pipe 2 of pretreatment tank 1, hinge connection has first sealing door 101 on pretreatment tank 1, a plurality of evenly distributed's rack 102 of fixedly connected with in the pretreatment tank 1, the filter screen 103 in different apertures has been blocked respectively on a plurality of racks 102, a plurality of filter screens 103 arrange from top to bottom according to the aperture from big to little, easily filter sewage step by step, prevent that filter screen 103 from being stifled by the impurity in the sewage and die, prevent that pretreatment tank 1 from blockking up, the outside fixedly connected with collar of filter screen 103, fixedly connected with and rack 102 phase-match rubber seal ring on the collar, easily improve the leakproofness of filter screen 103 and rack 102 junction.

Referring to fig. 2-3, a secondary treatment tank 3 is fixedly connected to the lower end of a pretreatment tank 1, two pairs of connecting pipes 4 are connected between the pretreatment tank 1 and the secondary treatment tank 3, a liquid inlet of the connecting pipe 4 is located at the bottom end of the inner wall of the pretreatment tank 1, a liquid outlet of the connecting pipe 4 is located at the bottom end of the inner wall of the secondary treatment tank 3, so that the filtered liquid in the pretreatment tank 1 can be conveniently guided into the secondary treatment tank 3, a check valve 8 is fixedly connected to one end of the connecting pipe 4 close to the secondary treatment tank 3, so that the liquid backflow can be easily prevented, a second sealing door 301 is hinged to the secondary treatment tank 3, a partition plate 303 is fixedly connected to the secondary treatment tank 3, an activated carbon filter element 302 is clamped between the partition plate 303 and the top end of the inner wall of the secondary treatment tank 3, a water guide pipe 6 matched with the activated carbon filter element 302 is fixedly connected, the inner wall of the secondary treatment tank 3 and the partition plate 303 are both provided with annular grooves matched with the rubber snap rings, so that the activated carbon filter element 302 can be conveniently positioned during installation, the lower end of the secondary treatment tank 3 is fixedly connected with a settling chamber 5, the water guide pipe 6 is communicated with the inner cavity of the settling chamber 5, and the settling chamber 5 is fixedly connected with a liquid discharge pipe 7.

This device is when using, the technical staff through feed liquor pipe 2 with the leading-in preliminary treatment jar 1 of sewage in, carry out filtration treatment to sewage through a plurality of filter screens 103 in preliminary treatment jar 1, sewage after being filtered flows into secondary treatment jar 3 through connecting pipe 4, sewage piles up and is further filtered by active carbon filter 302 in secondary treatment jar 3, it deposits in getting into deposit room 5 through baffle 303 at last to be passed by filterable sewage, the technical staff can be connected the liquid that extracts in the deposit room 5 with water pump and fluid-discharge tube 7.

When needing to maintain, the technical staff can open first sealing door 101 and second sealing door 301, and filter screen 103 and active carbon filter core 302 expose this moment, can clear up filter screen 103 and active carbon filter core 302, and the technical staff still can take off filter screen 103 from rack 102 and clear up, and the technical staff also can place the filter screen 103 of different apertures and kind on rack 102 as required, convenient maintenance.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A multi-stage sewage treatment system comprises a pretreatment tank (1), and is characterized in that: the upper end of the pretreatment tank (1) is fixedly connected with a liquid inlet pipe (2), the pretreatment tank (1) is hinged with a first sealing door (101), the pretreatment tank (1) is internally and fixedly connected with a plurality of uniformly distributed placing frames (102), the placing frames (102) are respectively connected with filter screens (103) with different apertures in a clamping manner, the lower end of the pretreatment tank (1) is fixedly connected with a secondary treatment tank (3), two pairs of connecting pipes (4) are connected between the pretreatment tank (1) and the secondary treatment tank (3), the secondary treatment tank (3) is hinged with a second sealing door (301), the secondary treatment tank (3) is internally and fixedly connected with a partition plate (303), an activated carbon filter element (302) is clamped between the partition plate (303) and the top end of the inner wall of the secondary treatment tank (3), and a water guide pipe (6) matched with the activated carbon filter element (302) is fixedly connected onto the partition plate (303), the lower end of the secondary treatment tank (3) is fixedly connected with a settling chamber (5), the water guide pipe (6) is communicated with the inner cavity of the settling chamber (5), and the settling chamber (5) is fixedly connected with a liquid discharge pipe (7).

2. The multi-stage wastewater treatment system according to claim 1, wherein: the plurality of filter screens (103) are arranged from top to bottom according to the pore size from big to small.

3. The multi-stage wastewater treatment system according to claim 1, wherein: the outer side of the filter screen (103) is fixedly connected with a mounting ring, and a rubber sealing ring matched with the placing rack (102) is fixedly connected onto the mounting ring.

4. The multi-stage wastewater treatment system according to claim 1, wherein: the liquid inlet of connecting pipe (4) is located the inner wall bottom of preliminary treatment jar (1), the liquid outlet of connecting pipe (4) is located the inner wall bottom of secondary treatment jar (3).

5. The multi-stage wastewater treatment system according to claim 1, wherein: one end of the connecting pipe (4) close to the secondary treatment tank (3) is fixedly connected with a one-way valve (8).

6. The multi-stage wastewater treatment system according to claim 1, wherein: the equal fixedly connected with rubber snap ring in upper and lower both ends of active carbon filter core (302), all open the chisel on the inner wall of secondary treatment jar (3) and baffle (303) have with rubber snap ring assorted ring channel.