CN213231860U

CN213231860U - Urban sewage treatment device

Info

Publication number: CN213231860U
Application number: CN202021192791.XU
Authority: CN
Inventors: 陈洁; 赵鹏飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-05-18
Anticipated expiration: 2030-06-24

Abstract

The utility model relates to a municipal sewage treatment device, which comprises a treatment box body, a sewage inlet arranged at the upper end of one side of the treatment box body, and a treated water outlet arranged at the lower end of the other side of the treatment box body; a first partition plate, a first photocatalytic plate, a second partition plate and a second photocatalytic plate are sequentially arranged in the treatment box body; the both sides of second division board are equipped with a plurality of photocatalysis lamps, the photocatalysis face of first photocatalysis board and second photocatalysis board is close to the second division board, the middle part of first division board and first photocatalysis board is equipped with filtering component, moreover, the steam generator is simple in structure, small in size, adopt the reverse osmosis method to carry out sewage filtration, guarantee that sewage can carry out abundant filtration when filtering, and can carry out preliminary sedimentation before filtering, simultaneously can also carry out photocatalysis treatment after filtering, ensure more abundant high-efficient of whole sewage treatment, small in floor area, low in cost, convenient to use can carry out abundant processing to sewage and bring very big convenience for small-scale sewage treatment.

Description

Urban sewage treatment device

Technical Field

The utility model discloses sewage treatment technical field, specificly relates to a municipal sewage treatment plant.

Background

Along with the increase of urban population, the expansion of residential areas and the further concentration of population in China, the domestic water consumption is increased, and the sewage quantity discharged by cities is increased more and more. The urban domestic sewage is mainly composed of kitchen washing, toilet flushing, bathing, laundry water and the like, and organic nitrogen and ammonia nitrogen contained in the sewage are mainly derived from wastes such as feces and the like of protein metabolism in human food. At present, urban domestic sewage becomes a main pollution source of urban water in China, and the existing sewage treatment facilities are difficult to bear increasing sewage treatment amount every day, so that a large amount of domestic sewage is discharged into rivers and lakes without being purified to pollute natural water bodies and surrounding environments. A large amount of sewage is directly discharged, so that not only is the ecology damaged, but also the industrial and agricultural production and the health and the safety of human beings are seriously harmed. Therefore, the treatment of urban domestic sewage is the central importance in the current and future urban water environment protection work, and the standard discharge of the domestic sewage becomes a problem to be solved urgently in the current society.

At present, when urban sewage treatment is carried out, the combined use is carried out through a plurality of devices, the manufacturing cost is too large, the size is large, the occupied area is too large, the combined use is not suitable for and carries out small-scale sewage treatment, and at present, a filtering mode is mainly adopted to carry out sewage treatment during small-scale sewage treatment, the sewage treatment mode can only treat impurities in sewage, and harmful substances in the sewage cannot be effectively treated.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a municipal sewage treatment device which can be small, is suitable for small-scale sewage treatment and can fully treat municipal sewage.

In order to achieve the purpose, the utility model adopts the following technical proposal that the urban sewage treatment device comprises a treatment box body, a sewage inlet arranged at the upper end of one side of the treatment box body and a treated water outlet arranged at the lower end of the other side of the treatment box body;

a first partition plate, a first photocatalytic plate, a second partition plate and a second photocatalytic plate are sequentially arranged in the treatment box body; and the first partition board is close to one end of the sewage inlet; the top parts of the first partition plate and the second partition plate are fixedly and hermetically connected with the treatment box body, gaps are formed between the bottom parts of the first partition plate and the second partition plate and the bottom part of the treatment box body, gaps are formed between the top parts of the first photocatalytic plate and the second photocatalytic plate and the treatment box body, and the bottom parts of the first photocatalytic plate and the second photocatalytic plate are fixedly and hermetically connected with the treatment box body;

the both sides of second division board are equipped with a plurality of photocatalysis lamps, the photocatalysis face of first photocatalysis board and second photocatalysis board is located the both sides of second division board, the middle part of first division board and first photocatalysis board is equipped with filtering component.

A plurality of gas nozzles are respectively arranged on two end faces of the second partition plate, and the gas nozzles are communicated with a hollow cavity arranged in the second partition plate; the top of the processing box body is provided with a blower, and the end part of an air supply pipeline connected with the blower penetrates through the processing box body to be communicated with the hollow cavity in the second separation plate.

The plurality of gas nozzles, the plurality of photocatalytic lamp edges and the second partition plate are horizontally staggered and distributed up and down, and each horizontal line is provided with a gas nozzle or a photocatalytic lamp.

The second division board both sides are equipped with many horizontal installation recesses respectively, are equipped with a plurality of photocatalysis lamps in each horizontal installation recess, the notch sealing connection of horizontal installation recess has printing opacity glass.

The filtering component is sequentially provided with a lower water permeable base layer, a cobble layer, a gravel layer, a filtering net layer, a bamboo charcoal layer and an upper water permeable base layer from bottom to top.

The jet head comprises a jet head body arranged in the second partition plate, an installation cavity is arranged in the jet head body, one end of the installation cavity is communicated with a hollow cavity in the second partition plate through a horn mouth which is arranged on the jet head body and has a small inner part and a large outer part, closed bodies are symmetrically arranged in the installation cavity, the symmetrically arranged closed bodies are connected with the cavity wall of the installation cavity through springs, and the closed bodies are in smooth sealing contact with the cavity wall of the installation cavity;

a fluid channel is formed in the middle of the two symmetrical closing bodies, the fluid channel comprises a straight section communicated with the horn mouth, a necking section extending inwards from the straight section and a closing section communicated with the necking section, and when sent air enters the fluid channel through the horn mouth, the closing section is opened after the air is accelerated by the necking section, the closing section is opened, the whole fluid channel is opened, and the air enters the processing box body.

The lower end of the treatment box body is provided with a back-washing liquid outlet pipe, and the back-washing liquid outlet pipe and the sewage inlet are positioned on the same side.

The utility model has the advantages that: simple structure, small, when carrying out sewage treatment, adopt the reverse osmosis method to carry out sewage filtration, guarantee that sewage can carry out abundant filtration when filtering to can carry out preliminary sedimentation before filtering, can also carry out the photocatalysis simultaneously after filtering and handle, ensure that whole sewage treatment's is abundant high-efficient more, area is little, and is with low costs, and convenient to use can carry out abundant processing to sewage and has brought very big convenience for small-scale sewage treatment.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of a second partition plate of the present invention;

FIG. 3 is a schematic cross-sectional view of a second partition plate according to the present invention;

FIG. 4 is a schematic structural view of a showerhead according to the present invention;

fig. 5 is a schematic structural diagram of the filter assembly of the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Example 1

As shown in figure 1, the municipal sewage treatment plant comprises a treatment tank 1, a sewage inlet 2 arranged at the upper end of one side of the treatment tank 1, and a treated water outlet 3 arranged at the lower end of the other side of the treatment tank 1; the sewage inlet 2 is communicated with an urban sewage pipeline to ensure that the generated sewage can enter the treatment tank body 1 through the sewage inlet 2, the treated water outlet 3 is used for discharging the treated water, and the treatment tank body 1 can be made of stainless steel or polyvinyl chloride materials;

a back-washing liquid outlet pipe 17 is arranged at the lower end of the treatment box body 1, the back-washing liquid outlet pipe 17 and the sewage inlet 2 are positioned at the same side, and the back-washing liquid outlet pipe 17 is used for discharging treatment liquid after back-washing in the treatment box body;

a first partition plate 4, a first photocatalytic plate 5, a second partition plate 6 and a second photocatalytic plate 7 are sequentially arranged in the treatment box body 1; and the first partition plate 4 is close to one end of the sewage inlet 2; the top parts of the first partition plate 4 and the second partition plate 6 are fixedly and hermetically connected with the treatment box body 1, the bottom parts of the first partition plate 4 and the second partition plate 6 are provided with gaps with the bottom part of the treatment box body 1, the top parts of the first photocatalytic plate 5 and the second photocatalytic plate 7 are provided with gaps with the treatment box body 1, and the bottom parts of the first photocatalytic plate 5 and the second photocatalytic plate 7 are fixedly and hermetically connected with the treatment box body 1; the first clapboard 4, the first photocatalytic plate 5, the second clapboard 6 and the second photocatalytic plate 7 divide the treatment box body, so that the sewage entering the treatment box body enters the first clapboard 4 and passes through the bottom of the second clapboard 4 to go upwards, the speed of water flow is slowed down to ensure that the sewage passes through the filtering component 8 arranged in the middle of the first clapboard 4 and the first photocatalytic plate 5 to be more sufficient when being filtered, the filtered sewage rushes through the bottom of the first photocatalytic plate and then flows upwards through the bottom of the second clapboard 6, the sewage entering the space between the first photocatalytic plate and the second clapboard and between the second photocatalytic plate and the second photocatalytic plate passes through a plurality of photocatalytic lamps 12 arranged on two sides of the second clapboard 6 to perform photocatalytic action with the photocatalytic surfaces 9 of the first photocatalytic plate 5 and the second photocatalytic plate 7 to perform secondary photocatalytic action on the filtered sewage, the sewage is more efficient when being subjected to photocatalysis; the photocatalytic surfaces 9 of the first and second

photocatalytic plates

5 and 7 are adjacent to the second separator plate 6.

Specifically, when the sewage is treated, the sewage enters the treatment box body through the sewage inlet, as the entering sewage is increased, the water level on the right side of the first partition plate shown in figure 1 is continuously increased, as the water level is in an increasing state and is slower than the falling speed of water, in the process of water level increase, the sewage is filtered by the filtering component 8, the filtered sewage passes through the top of the first photocatalytic plate and freely falls down to pass through the bottom of the second partition plate to slowly rise, in the process of rising, the photocatalysis is simultaneously carried out on the sewage on two sides of the second partition plate under the action of the photocatalytic lamp and the photocatalytic plate, namely, all the sewage enters the right side to carry out the secondary photocatalysis after the photocatalysis is carried out on the left end, the sewage after the secondary photocatalysis passes through the top of the second photocatalytic plate, enters the rightmost right side and then is treated through the treatment discharge port, in the whole sewage treatment process, sedimentation tanks can be formed at the bottoms of the first partition plate and the second partition plate for sedimentation, so that the sewage treatment is more efficient, meanwhile, the sewage is filtered in the rising process, and a reverse osmosis method is adopted for filtering, so that the filtering is more sufficient (the rising speed is slow, and the filtering is thorough); after a period of time, the backwashing treatment is required, the backwashing pipeline is opened, and the backwashing liquid is discharged.

Example 2

On the basis of the embodiment 1, in order to stir the sewage during the photocatalytic action and ensure the completeness of the photocatalytic treatment, a plurality of gas nozzles 13 are respectively arranged on two end surfaces of the second partition plate 6, and the gas nozzles 13 are communicated with a hollow cavity 15 arranged in the second partition plate 6; the top of the processing box body 1 is provided with a blower 10, and the end part of an air feeding pipeline 11 connected with the blower 10 passes through the processing box body 1 and is communicated with a hollow cavity 15 in the second partition plate 6. High-pressure air is fed into the hollow cavity 15 through the air blower, and enters the sewage on two sides of the second partition plate through the air nozzle 13, so that a large amount of bubbles are generated to drive the sewage to stir, the stirring purpose is realized, stirring blades are not used for stirring, the installation is convenient, the size is small, and the cost is low;

specifically, in order to make it possible to more fully stir and perform the photocatalytic action, as shown in fig. 2, a plurality of gas nozzles 13 and a plurality of photocatalytic lamps 12 are horizontally staggered and distributed along the second partition plate 6, and each horizontal line is provided with a gas nozzle 13 or a photocatalytic lamp 12.

As shown in fig. 3, a plurality of horizontal mounting grooves 14 are respectively formed on two sides of the second partition plate 6, a plurality of photocatalytic lamps 12 are arranged in each horizontal mounting groove 14, and a transparent glass 16 is hermetically connected to a notch of each horizontal mounting groove 14. Inlay photocatalysis lamp 12 in parallel mounting groove 14, seal through printing opacity glass, protect photocatalysis lamp 12, photocatalysis lamp and photocatalysis board all be this technical field commonly used photocatalysis board and rather than complex photocatalysis lamp, do not carry out detailed description to it here, be equipped with same photocatalysis lamp or jet-propelled head on every horizontal line, guarantee its uniformity, can carry out abundant photocatalysis and stirring of carrying on simultaneously.

In order to ensure that the air nozzle is opened when the air blower conveys high-pressure air, and is closed when the air blower does not work, the condition that sewage flows backwards is avoided;

as shown in fig. 4, the showerhead 13 includes a showerhead body 1301 arranged in the second partition plate 6, an installation cavity 1303 is arranged in the showerhead body 1301, one end of the installation cavity 1303 is communicated with a hollow cavity 15 in the second partition plate 6 through a horn mouth 1302 arranged on the showerhead body 1301, the inner part of the horn mouth is small, the outer part of the horn mouth is large, a closing body 1304 is symmetrically arranged in the installation cavity 1303, the symmetrically arranged closing body 1304 is connected with the cavity wall of the installation cavity 1303 through a spring 1308, and the closing body 1304 is in smooth sealing contact with the cavity wall of the installation cavity 1303;

a fluid channel is formed in the middle of the two symmetrical closing bodies 1304, and the fluid channel comprises a straight section 1305 communicated with the bell mouth 1302, a necking section 1306 extending inwards from the straight section 1305, and a closing section 1307 communicated with the necking section 1306, and when the fed air enters the fluid channel through the bell mouth 1302, after the fed air is accelerated by the necking section 1306, the closing section 1307 is opened, the whole fluid channel is opened, and the air enters the treatment box body 1.

When the air blower is used, high-pressure air is fed into the hollow cavity through the air feeding pipeline, the high-pressure air enters the fluid channel through the horn mouth, the air pressure compresses the closing bodies towards two sides along with the increase of the air pressure entering the fluid channel, the symmetrical closing bodies move towards two sides, the closing section in the fluid channel opens the high-pressure air and enters sewage on two sides of the second partition plate through the fluid channel to form bubbles for stirring, when the closing section in the fluid channel is opened, the spring is compressed, when the air blower stops working, the air pressure in the fluid channel is reduced, the compressed spring needs to be reset, the symmetrical closing bodies are closed, the closing section is closed, the backflow of the sewage is avoided, meanwhile, the fluid channel is provided with a straight section and a necking section, the straight section is used for transition, and the necking section is used for increasing the air pressure, so that the closing section is convenient to open.

Example 3

On the basis of embodiment 1, in order to ensure that the filter assembly 8 can filter sewage more thoroughly, as shown in fig. 5, the filter assembly 8 includes, from bottom to top, a lower water permeable base layer 801, a pebble layer 802, a gravel layer 803, a filter mesh layer 804, a bamboo charcoal layer 805, and an upper water permeable base layer 806.

Go up basic unit 806 and basic unit 801 that permeates water down and regard as the basic unit, protect whole filtering component, infiltration filterable water at first carries out coarse filtration through cobblestone layer 802, then enters into the metalling and carries out secondary coarse filtration, enters into the filter screen layer and carries out fine filtration, then adsorbs through the bamboo charcoal layer and filters, makes filterable effect more thorough, and the filter effect is higher, conveniently carries out the back flush simultaneously and washs.

The above illustration is merely an illustration of the present invention, and does not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.

Claims

1. A municipal sewage treatment device is characterized by comprising a treatment tank body (1), a sewage inlet (2) arranged at the upper end of one side of the treatment tank body (1), and a treated water outlet (3) arranged at the lower end of the other side of the treatment tank body (1);

a first partition plate (4), a first photocatalytic plate (5), a second partition plate (6) and a second photocatalytic plate (7) are sequentially arranged in the treatment box body (1); and the first partition plate (4) is close to one end of the sewage inlet (2); the top parts of the first partition plate (4) and the second partition plate (6) are fixedly and hermetically connected with the treatment box body (1), gaps are formed between the bottom parts of the first partition plate (4) and the second partition plate (6) and the bottom part of the treatment box body (1), gaps are formed between the top parts of the first photocatalytic plate (5) and the second photocatalytic plate (7) and the treatment box body (1), and the bottom parts of the first photocatalytic plate (5) and the second photocatalytic plate (7) are fixedly and hermetically connected with the treatment box body (1);

the both sides of second division board (6) are equipped with a plurality of photocatalysis lamps (12), photocatalytic surface (9) of first photocatalysis board (5) and second photocatalysis board (7) are located the both sides of second division board (6), the middle part of first division board (4) and first photocatalysis board (5) is equipped with filtering component (8).

2. The municipal sewage treatment plant according to claim 1, wherein a plurality of jet heads (13) are provided on each of the two end faces of the second partition plate (6), and the jet heads (13) are communicated with a hollow chamber (15) provided in the second partition plate (6); the top of the treatment box body (1) is provided with a blower (10), and the end part of a gas supply pipeline (11) connected with the blower (10) penetrates through the treatment box body (1) to be communicated with a hollow cavity (15) in the second partition plate (6).

3. The municipal sewage treatment plant according to claim 2, wherein the plurality of gas nozzles (13) and the plurality of photocatalytic lamps (12) are horizontally staggered from top to bottom along the second partition plate (6), and each horizontal line is provided with a gas nozzle (13) or a photocatalytic lamp (12).

4. The municipal sewage treatment device according to claim 1, wherein a plurality of horizontal mounting grooves (14) are respectively formed on both sides of the second partition plate (6), a plurality of photocatalytic lamps (12) are arranged in each horizontal mounting groove (14), and a transparent glass (16) is hermetically connected to the opening of each horizontal mounting groove (14).

5. The municipal sewage treatment apparatus according to claim 1, wherein: the filter component (8) is sequentially provided with a lower water permeable base layer (801), a cobblestone layer (802), a gravel layer (803), a filter net layer (804), a bamboo charcoal layer (805) and an upper water permeable base layer (806) from bottom to top.

6. The municipal sewage treatment apparatus according to claim 2, wherein: the air nozzle (13) comprises a nozzle body (1301) arranged in the second partition plate (6), an installation cavity (1303) is arranged in the nozzle body (1301), one end of the installation cavity (1303) is communicated with a hollow cavity (15) in the second partition plate (6) through a horn mouth (1302) which is arranged on the nozzle body (1301) and is small in inside and large in outside, a closed body (1304) is symmetrically arranged in the installation cavity (1303), the symmetrically arranged closed body (1304) is connected with the cavity wall of the installation cavity (1303) through a spring (1308), and the closed body (1304) is in smooth sealing contact with the cavity wall of the installation cavity (1303);

a fluid channel is formed in the middle of the two symmetrical closing bodies (1304), the fluid channel comprises a straight section (1305) communicated with the bell mouth (1302), a necking section (1306) extending inwards from the straight section (1305), and a closing section (1307) communicated with the necking section (1306), when fed air enters the fluid channel through the bell mouth (1302), the fed air is accelerated through the necking section (1306), the closing section (1307) is flushed open, the closing section (1307) is opened, the whole fluid channel is opened, and the air enters the treatment box body (1).

7. The municipal sewage treatment apparatus according to claim 1, wherein: the lower end of the treatment box body (1) is provided with a back-washing liquid outlet pipe (17), and the back-washing liquid outlet pipe (17) and the sewage inlet (2) are positioned on the same side.