CN113683223A - Municipal administration sewage treatment plant - Google Patents

Abstract

The application relates to a municipal sewage treatment device, which belongs to the field of wastewater treatment. It is including filtering ponds, sedimentation tank and the disinfection pond that sets gradually, the sedimentation tank is provided with and is used for the silt hoist mechanism of transporting silt out from the sedimentation tank, silt hoist mechanism includes the support frame, locates tractor on the support frame and the grab bucket that is used for snatching the silt in the sedimentation tank, the haulage rope of tractor with the grab bucket is connected. When silt in the sedimentation tank needs to be cleared up, the tractor grabs the silt in the sedimentation tank to the grab bucket below the sedimentation tank through the grab bucket, and the grab bucket is lifted by the tractor, so that the grab bucket grabs the silt in the sedimentation tank and takes out the silt.

Description

Municipal administration sewage treatment plant

Technical Field

The application relates to the field of wastewater treatment, in particular to a municipal sewage treatment device.

Background

Sewage treatment is a process of purifying water to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage.

In the correlation technique, sewage treatment includes steps such as filtration, sediment and disinfection, filters the large granule impurity in the sewage through the filtering ponds earlier, and rethread sedimentation tank makes the silt in the sewage subside, and through chemical disinfection at last, makes quality of water meet the demands.

In view of the above-mentioned related art, the inventor thinks that in the sewage treatment process, the sedimentation tank can deposit more silt, if not handle silt in the sedimentation tank and can make silt pile up in the sedimentation tank to influence the capacity of sewage in the sedimentation tank.

Disclosure of Invention

In order to clear up the silt in the sedimentation tank, this application provides a municipal sewage treatment plant.

The application provides a municipal administration sewage treatment plant adopts following technical scheme:

the utility model provides a municipal administration sewage treatment plant, is including filtering ponds, sedimentation tank and the disinfection pond that sets gradually, the sedimentation tank is provided with and is used for the silt hoist mechanism of transporting silt out from the sedimentation tank, silt hoist mechanism includes the support frame, locates tractor on the support frame and the grab bucket that is used for snatching the silt in the sedimentation tank, the haulage rope of tractor with the grab bucket is connected.

Through adopting above-mentioned technical scheme, when silt in the sedimentation tank needs to be cleared up, through the tractor to sedimentation tank below grab bucket, snatch the silt in the sedimentation tank through the grab bucket, rethread tractor promotes the grab bucket, makes the grab bucket grab out silt in with the sedimentation tank.

Optionally, the sedimentation tank still is provided with the dewatering mechanism who is used for silt dehydration, dewatering mechanism includes a plurality of live rollers of arranging the setting, adjacent two the mutual butt of lateral wall of live roller, the inside heating member that is used for giving the live roller heating that is provided with of live roller.

Through adopting above-mentioned technical scheme, on the silt of grabbing out from the sedimentation tank put into the live-rollers, dewater for silt through the heating member on the live-rollers.

Optionally, the rotating roller includes a driving roller, a first driven roller and a second driven roller, the first driven roller and the second driven roller are respectively located on two sides of the driving roller, and the driving roller is connected with a driving motor.

Through adopting above-mentioned technical scheme, the drive roll drives first driven voller and second driven voller and rotates, and the drive roll passes through driving motor again and drives for a driving motor drives three live-rollers and rotates.

Optionally, a support plate is arranged on one side of the rotating roller, a heating lamp is arranged on one side of the support plate facing the rotating roller, and a solar panel electrically connected with the heating lamp is arranged on one side of the support plate away from the heating lamp.

Through adopting above-mentioned technical scheme, the heat lamp generates heat through the solar panel power supply, and the heat lamp is close to the live-rollers setting, makes the heat lamp for the silt heating on the live-rollers, improves the dehydration efficiency of silt.

Optionally, a conveyor belt for receiving silt is arranged below the rotating roller, and a mud scraping piece abutted against the rotating roller is arranged above the conveyor belt.

Through adopting above-mentioned technical scheme, easy adhesion is on the live-rollers after silt dehydration, scrapes off silt on the live-rollers through scraping mud spare for on silt falls into the conveyer belt, transports to next step through the conveyer belt, and this silt granule is less, can be used to agricultural soil.

Optionally, the mud scraping piece comprises two baffles arranged on the conveying belt and a scraper arranged between the two baffles, one end, far away from the conveying belt, of each baffle is abutted against the corresponding rotating roller, and the scraper is abutted against the corresponding rotating roller.

By adopting the technical scheme, the scraper is abutted against the rotating roller, and the sediment on the rotating roller is scraped off by the scraper; and the baffle also with live-rollers looks butt, through the effect of blockking of baffle, make the silt of scraping be difficult for being blown away, make silt can fall on the conveyer belt steadily.

Optionally, the scraper blade is arranged obliquely towards the rotating direction of the rotating roller, and the heating wire is arranged in the scraper blade.

By adopting the technical scheme, the silt scraped by the scraper falls on the scraper, and then slides to the conveyor belt from the scraper; the heating wire heats the scraper, and when silt falls on the scraper, the scraper heats the silt and further dehydrates the silt.

Optionally, the sedimentation tank still is provided with screening mechanism, screening mechanism include with live-rollers coaxial coupling's screening roller and be used for collecting the collection storehouse of screening granule, the live-rollers sets up downwards to the slope of screening roller, adjacent two the screening roller has the clearance, the collection storehouse is located the below of screening roller.

Through adopting above-mentioned technical scheme, because the live-rollers sets up to screening roller slope, silt after the heating slips to the screening roller along the live-rollers on the live-rollers, later falls into the collecting bin from the clearance between two adjacent screening rollers in, collects silt through the collecting bin.

Optionally, two adjacent screening rollers have an included angle, just the included angle is from being close to the one side of live-rollers to keeping away from the one side of live-rollers increases gradually.

Through adopting above-mentioned technical scheme, the contained angle explains that the clearance between two adjacent live rollers is big more greatly more, and not equidimension silt can fall from two adjacent screening rollers in the position of difference.

Optionally, the screening roller includes first screening section and the second screening section that sets gradually, collect the storehouse including locate first screening section below first collecting vat and locate second screening section below second collecting vat.

Through adopting above-mentioned technical scheme, divide into first sieve subsection and second sieve subsection with the screening roller to collect the silt of first sieve subsection and second sieve subsection respectively through first collecting vat and second collecting vat, make not equidimension silt collect respectively.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the silt in the sedimentation tank needs to be cleaned, grabbing the silt in the sedimentation tank through a grab bucket below the sedimentation tank through a tractor, and lifting the grab bucket through the tractor to enable the grab bucket to grab the silt in the sedimentation tank out;

2. the heating lamps are powered by the solar panel to generate heat, and are arranged close to the rotating roller, so that the heating lamps heat the silt on the rotating roller, and the dehydration efficiency of the silt is improved;

3. the bigger the included angle is, the bigger the gap between two adjacent rotating rollers is, and the sediment with different sizes can fall from two adjacent screening rollers from different positions.

Drawings

FIG. 1 is a schematic view of the overall structure of a sewage treatment apparatus according to an embodiment of the present application.

Fig. 2 is a sectional view of a settling tank according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a sediment lift mechanism according to an embodiment of the present application.

Fig. 4 is a schematic structural view of a dewatering mechanism according to an embodiment of the present application.

Fig. 5 is a schematic structural view of a plate according to an embodiment of the present application.

Fig. 6 is a plan view of the dewatering mechanism according to the embodiment of the present application.

Fig. 7 is a cross-sectional view a-a of fig. 6.

Fig. 8 is a schematic structural diagram of a conveyor belt according to an embodiment of the present application.

Fig. 9 is a schematic structural view of a screening mechanism according to an embodiment of the present application.

Description of reference numerals: 1. a filtration tank; 2. a sedimentation tank; 21. a protrusion; 22. a settling tank; 3. a disinfection tank; 4. a silt lifting mechanism; 41. a support frame; 42. a tractor; 43. a grab bucket; 44. erecting a rod; 45. a suspension rod; 5. a dewatering mechanism; 51. a support; 52. a rotating roller; 521. a drive roll; 522. a first driven roller; 523. a second driven roller; 53. a support plate; 531. a heating lamp; 532. a solar panel; 54. a conveyor belt; 55. a mud scraping member; 551. a baffle plate; 552. a squeegee; 553. an arc-shaped recess; 56. a feeding plate; 57. a drive motor; 6. a screening mechanism; 61. a screening roller; 62. a collection bin; 63. a first screening section; 64. a second screening section; 65. a first holding tank; 66. a second holding tank; 67. a first hopper; 68. a second hopper; 7. and (4) rolling.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

The embodiment of the application discloses municipal sewage treatment plant.

Referring to fig. 1, sewage treatment plant is including filtering ponds 1, sedimentation tank 2 and the disinfection pond 3 that set gradually, and the bottom of the pool of filtering ponds 1 highly is higher than sedimentation tank 2, and the bottom of the pool of sedimentation tank 2 highly is higher than the height of disinfection pond 3, and sewage gets into filtering ponds 1 earlier, gets into sedimentation tank 2 after filtering of filtering ponds 1, gets into disinfection pond 3 again after the sediment of sedimentation tank 2.

Referring to fig. 1 and 2, a protrusion 21 with a triangular cross section is arranged in the middle of the sedimentation tank 2, both side surfaces of the protrusion 21 are inclined surfaces, sedimentation tanks 22 are arranged on both sides of the protrusion 21 of the sedimentation tank 2, and silt in the sedimentation tank 2 is precipitated in the sedimentation tanks 22.

Referring to fig. 3, silt lifting mechanisms 4 are arranged on two sides of the sedimentation tank 2, and silt in the sedimentation tank 22 is taken out through the silt lifting mechanisms 4. Silt hoist mechanism 4 includes support frame 41, tractor 42 and grab bucket 43, and support frame 41 includes pole setting 44 and overhanging rod 45, and pole setting 44 is vertical to be connected in the pond limit of sedimentation tank 2, and the one end fixed connection on ground is kept away from to overhanging rod 45 and pole setting 44, and overhanging rod 45 is mutually perpendicular with pole setting 44 to the tip that pole setting 44 was kept away from to overhanging rod 45 is located the top of sedimentation tank 2.

The tractor 42 is connected to the overhanging rod 45 in a sliding manner, so that the tractor 42 can move along the length direction of the overhanging rod 45, a traction rope of the tractor 42 is fixedly connected with the grab bucket 43, and the grab bucket 43 is driven to move up and down by the tractor 42.

When silt hoist mechanism 4 uses, tractor 42 drives grab bucket 43 and removes in 2 to sedimentation tank, snatchs the silt in sedimentation tank 2 through grab bucket 43, then tractor 42 drives the rotary bucket and rises, and tractor 42 slides on overhanging rod 45, makes the rotary bucket leave sedimentation tank 2 to grab the silt in 2 with sedimentation tank and takes out.

Referring to fig. 4 and 5, the sedimentation tank 2 is further provided with a dewatering mechanism 5, the dewatering mechanism 5 is located at the side of the sedimentation tank 2, and the silt taken out is dewatered by the dewatering mechanism 5.

The dewatering mechanism 5 includes a bracket 51 and a plurality of rotating rollers 52 provided on the bracket 51, the plurality of rotating rollers 52 are arranged in a row, and outer side walls of two adjacent rotating rollers 52 are abutted against each other. The end of the bracket 51 is provided with a feed plate 56, and the feed plate 56 is inclined toward the rotating roller 52. When the dewatering mechanism 5 is loaded, silt in the grab bucket 43 is put on the feed plate 56, and the silt slides to the rotating roller 52 from the feed plate 56.

Each live-rollers 52's inside all is provided with the heating member, and the heating member is the heater strip in this embodiment, and for live-rollers 52 heating through the heating member, make live-rollers 52 generate heat, and when live-rollers 52 drove silt and remove, live-rollers 52 heated for silt, made the evaporation of steam in the silt to make silt dehydration.

Referring to fig. 6 and 7, it is noted that each three of the rotating rollers 52 are in one group, each group includes a driving roller 521, a first driven roller 522 and a second driven roller 523, the driving roller 521 is connected with a driving motor 57, the driving roller 521 is driven to rotate by the driving motor 57, and the first driven roller 522 and the second driven roller 523 are respectively located at two sides of the driving roller 521, so that the driving roller 521 drives the first driven roller 522 and the second driven roller 523 to rotate.

Wherein the rotation direction of the driving roller 521 is opposite to the rotation direction of the first driven roller 522 and the second driven roller 523, for example, the driving roller 521 rotates clockwise, and both the first driven roller 522 and the second driven roller 523 rotate counterclockwise; the drive roller 521 rotates counterclockwise, and both the first driven roller 522 and the second driven roller 523 rotate clockwise.

The rotation directions of the drive roller 521 of the two adjacent sets of rotating rollers 52 are also different, for example, the drive roller 521 of the former set of rotating rollers 52 rotates clockwise, and the drive roller 521 of the latter set of rotating rollers 52 rotates counterclockwise, so that the rotation directions of the two successive sets of rotating rollers 52 are counterclockwise (first driven roller 522), clockwise (drive roller 521), counterclockwise (second driven roller 523), clockwise (first driven roller 522), counterclockwise (drive roller 521), and clockwise (second driven roller 523), and the plurality of rotating rollers 52 are arranged as described above.

Referring to fig. 5, the support 51 is connected with a support plate 53 vertically arranged, the support plate 53 extends along the arrangement direction of the plurality of rotating rollers 52, a heating lamp 531 is arranged on one side of the support plate 53 close to the rotating rollers 52, the heating lamp 531 can be an infrared lamp or an incandescent lamp, and silt on the rotating rollers 52 is heated by the heating lamp 531, so that dehydration of the silt is accelerated.

One side of the support plate 53 far away from the heating lamps 531 is provided with a solar panel 532, the solar panel 532 is connected with a power supply, the power supply is connected with the heating lamps 531, heat energy is converted into electric energy through the solar panel 532, the electric energy is stored in the power supply, and the power supply is used for supplying power for the heating lamps 531.

A conveyor belt 54 is provided below the rotating rollers 52, and the conveying direction of the conveyor belt 54 is the same as the extending direction of the plurality of rotating rollers 52. When the rotating roller 52 drives the silt to move, the silt is easily adhered to the rotating roller 52, and when the heating element of the rotating roller 52 is heated, the silt adhered to the rotating roller 52 can be changed into dust particles adhered to the rotating roller 52; generally, the sand is located above the rotating roller 52, and when the rotating roller 52 rotates, dust particles attached to the rotating roller 52 easily fall from below the rotating roller 52, and then the dust particles are received and collected by the conveyor belt 54.

Referring to fig. 7 and 8, a scraper 55 is provided above the conveyor belt 54, and dust on the rotating roller 52 is scraped off by the scraper 55. The mud scraping piece 55 comprises two baffle plates 551 and a scraper 552, the two baffle plates 551 are oppositely arranged, one side of the baffle plate 551, which is far away from the conveyor belt 54, is abutted with the rotating roller 52, and the two baffle plates 551 and the conveyor belt 54 form a collecting cavity; the longitudinal direction of blade 552 is the same as the longitudinal direction of rotating roller 52, one side of blade 552 abuts against rotating roller 52, and both ends of blade 552 are fixedly connected to baffle 551, respectively, so that dust particles on rotating roller 52 are scraped off by blade 552.

Referring to fig. 7 and 8, in order to make the baffle 551 stably abut against the rotating roller 52, an arc recess 553 is formed in a side of the baffle 551 away from the conveyor belt 54 into which the rotating roller 52 is fitted, and when the baffle 551 abuts against the rotating roller 52, the rotating roller 52 is fitted into the arc recess 553.

In order to scrape off dust particles on rotating roller 52, scraper 552 is disposed obliquely between two blocking plates 551, and since rotating roller 52 has both clockwise and counterclockwise directions, the side of scraper 552 away from conveyor belt 54 is inclined toward the rotating direction of rotating roller 52, so that dust particles scraped off from rotating roller 52 fall onto scraper 552 and along scraper 552 onto conveyor belt 54.

In addition, a heating wire is also provided inside the scraper 552, the scraper 552 is heated by the heating wire, and when dust particles fall onto the scraper 552, the dust particles are heated by the scraper 552; at the same time, the heat emitted from the blade 552 is also transferred to the rotating roller 52, so that the heat is provided below the rotating roller 52, and the heat of the rotating roller 52 is not easily dissipated.

Referring to fig. 6 and 9, the sedimentation tank 2 is further provided with a screening mechanism 6, the screening mechanism 6 comprises a plurality of screening rollers 61 and a collection bin 62, the screening rollers 61 are provided, the screening rollers 61 correspond to the rotating rollers 52 one by one, in this embodiment, the screening rollers 61 and the rotating rollers 52 are integrally arranged, so that the screening rollers 61 rotate along with the rotating rollers 52; a collection bin 62 is located below the screening roller 61 for collecting soil falling from the screening roller 61.

The screening roller 61 and the rotating roller 52 are integrally formed into a roller wheel 7, the roller wheel 7 is obliquely arranged from the rotating roller 52 to the screening roller 61, so that when silt on the rotating roller 52 moves on the rotating roller 52, the silt can enter the screening roller 61 along the rotating roller 52; and an included angle is formed between two adjacent rollers 7, the included angle is gradually increased from one side close to the rotating roller 52 to one side far away from the rotating roller 52, the two adjacent rollers 7 are mutually abutted at the rotating roller 52, a gap is formed between the two adjacent rollers 7 at the sieving roller 61, and the gap is gradually increased from one end of the sieving roller 61 close to the rotating roller 52 to one end of the sieving roller 61 far away from the rotating roller 52.

Silt can become not of uniform size's earth granule through the heating of live-rollers 52 back, because running roller 7 slope sets up, the earth granule easily removes to screening roller 61 department from live-rollers 52, makes the earth granule drop to in collecting bin 62 from the clearance between two adjacent screening rollers 61.

Referring to fig. 9, the screen roller 61 includes a first screen section 63 and a second screen section 64 arranged in sequence, and a gap between two adjacent first screen sections 63 is smaller than a gap between two adjacent second screen sections 64, so that the screen sections are divided into two screen areas. For example, the gap between two adjacent first screen sections 63 is 0.1cm to 0.5cm, and dust particles may fall off the two adjacent first screen sections 63 when the dust particles have a diameter or width of 0.1cm to 0.5 cm. And, the number of screening areas of the screening section and the gap between two adjacent screening rollers 61 can be set according to actual conditions.

The collecting bin 62 comprises a first collecting gutter 65 and a second collecting gutter 66, the first collecting gutter 65 being provided below the first screening section 63, the second collecting gutter 66 being provided below the second screening section 64, dust particles falling from the first screening section 63 being collected by the first collecting gutter 65, dust particles falling from the second screening section 64 being collected by the second collecting gutter 66. The silt particles collected by the first collecting tank 65 and the second collecting tank 66 are different in size, and are used for filling or agricultural soil according to actual conditions.

A first funnel 67 is arranged below the first screening section 63, a large opening of the first funnel 67 faces the first screening section 63, a small opening of the first funnel 67 faces the first collecting groove 65, the first funnel 67 is used for receiving dust particles falling from the first screening section 63, and the dust particles falling from the first screening section 63 fall into the first collecting groove 65 through the first funnel 67; a second funnel 68 is arranged below the second screening section 64, and the arrangement of the second funnel 68 is the same as that of the first funnel 67, and will not be described in detail herein.

The embodiment of the application provides a municipal wastewater treatment device's implementation principle does: when silt in sedimentation tank 2 needs to be cleared up, snatch silt to feed plate 56 through silt hoisting device, silt slides to live-rollers 52 department along feed plate 56, through live-rollers 52's heating, makes the silt dehydration become the dust granule, and the dust granule gets into the screening section along live-rollers 52, gets into in collecting bin 62 from the clearance of screening section to make collecting bin 62 collect the dust granule.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a municipal administration sewage treatment plant which characterized in that: including filtering ponds (1), sedimentation tank (2) and disinfection pond (3) that set gradually, sedimentation tank (2) are provided with and are used for silt hoist mechanism (4) of transporting away silt from sedimentation tank (2), silt hoist mechanism (4) include support frame (41), locate tractor (42) on support frame (41) and grab bucket (43) that are used for snatching the silt in sedimentation tank (2), the haulage rope of tractor (42) with grab bucket (43) are connected.

2. The municipal sewage treatment apparatus of claim 1, wherein: sedimentation tank (2) still are provided with dewatering mechanism (5) that are used for silt dehydration, dewatering mechanism (5) include a plurality of live rollers (52) of arranging the setting, adjacent two the mutual butt of lateral wall of live roller (52), the inside heating member that is used for heating for live roller (52) that is provided with of live roller (52).

3. The municipal sewage treatment apparatus of claim 2, wherein: the rotating roller (52) comprises a driving roller (521), a first driven roller (522) and a second driven roller (523), the first driven roller (522) and the second driven roller (523) are respectively located on two sides of the driving roller (521), and the driving roller (521) is connected with a driving motor (57).

4. The municipal sewage treatment apparatus of claim 2, wherein: a support plate (53) is arranged on one side of the rotating roller (52), a heating lamp (531) is arranged on one side, facing the rotating roller (52), of the support plate (53), and a solar panel (532) electrically connected with the heating lamp (531) is arranged on one side, far away from the heating lamp (531), of the support plate (53).

5. The municipal sewage treatment apparatus of claim 2, wherein: a conveyor belt (54) used for carrying silt is arranged below the rotating roller (52), and a mud scraping piece (55) abutted against the rotating roller (52) is arranged above the conveyor belt (54).

6. The municipal sewage treatment apparatus of claim 5, wherein: the mud scraping piece (55) comprises two baffle plates (551) arranged on the conveyor belt (54) and a scraper (552) arranged between the two baffle plates (551), one end, far away from the conveyor belt (54), of each baffle plate (551) is abutted against the rotating roller (52), and the scraper (552) is abutted against the rotating roller (52).

7. The municipal sewage treatment apparatus of claim 6, wherein: the scraper (552) is disposed obliquely to the rotation direction of the rotating roller (52), and the scraper (552) is provided with a heating wire therein.

8. The municipal sewage treatment apparatus of claim 2, wherein: sedimentation tank (2) still are provided with screening mechanism (6), screening mechanism (6) include with live-rollers (52) coaxial coupling's screening roller (61) and be used for collecting collection storehouse (62) of screening granule, live-rollers (52) are to screening roller (61) slope setting down, adjacent two screening roller (61) have the clearance, collection storehouse (62) are located the below of screening roller (61).

9. The municipal sewage treatment apparatus of claim 8, wherein: two adjacent screening rollers (61) have an included angle, and the included angle is gradually increased from one side close to rotating roller (52) to one side far away from rotating roller (52).

10. The municipal sewage treatment apparatus of claim 8, wherein: screening roller (61) are including the first screening section (63) and the second screening section (64) that set gradually, collection storehouse (62) are including locating first catch bowl (65) of first screening section (63) below and locating second catch bowl (66) of second screening section (64) below.

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