CN214528486U

CN214528486U - Sewage treatment system for mixing station

Info

Publication number: CN214528486U
Application number: CN202120590606.0U
Authority: CN
Inventors: 冯建康; 陈硕
Original assignee: Xinglong Chengtai Building Materials Co ltd
Current assignee: Xinglong Chengtai Building Materials Co ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-10-29
Anticipated expiration: 2031-03-23

Abstract

The application relates to a sewage treatment system for a mixing plant, which belongs to the technical field of sewage treatment of mixing plants, and comprises a sedimentation tank, a flocculation tank and a discharge tank, wherein a water pumping device is arranged between the sedimentation tank and the flocculation tank as well as between the flocculation tank and the discharge tank, and is used for pumping water in the sedimentation tank into the flocculation tank or pumping water in the flocculation tank into the discharge tank; still including establishing the box that is used for depositing the flocculation agent, establishing the input pipeline between box and flocculation pond and being used for mixxing the agitating unit of flocculation pond internal water, input the pipeline with box and flocculation pond intercommunication, just be equipped with the valve on the input pipeline. At the in-process of handling sewage, sewage is through depositing by oneself and flocculation precipitation two steps, gets rid of most impurity that contains in the sewage to under the effect that the flocculation deposits, make the treatment effeciency of sewage very fast, need not many times to stew for a long time and deposit, improved the treatment effeciency and the treatment quality to sewage.

Description

Sewage treatment system for mixing station

Technical Field

The application relates to the field of mixing station sewage treatment, in particular to a sewage treatment system for a mixing station.

Background

The mixing plant is the device that carries out the intensive stirring to the concrete, and in the working process of mixing plant, all can produce a large amount of sewage to concrete transportation vehicle's washing, the corollary equipment of mixing plant, has adulterated impurity such as more cement, mud or grit in the sewage, and the mode that adopts multistage sediment is mostly adopted in the processing to sewage at present, makes the impurity in the sewage deposit the back by oneself, in the clear water recycle to the top of deposiing to the work of wasing the vehicle. But only depends on the automatic precipitation of the sewage, so that the time consumption is long, the precipitation effect of fine impurities suspended in the sewage is poor, and the sewage treatment efficiency is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the sewage treatment speed and the treatment quality of discharging out in the stirring station, the application provides a sewage treatment system for stirring station.

The application provides a sewage treatment system for stirring station adopts following technical scheme:

a sewage treatment system for a stirring station comprises a sedimentation tank, a flocculation tank and a discharge tank, wherein water pumping devices are arranged between the sedimentation tank and the flocculation tank and between the flocculation tank and the discharge tank, and are used for pumping water in the sedimentation tank into the flocculation tank or pumping water in the flocculation tank into the discharge tank; still including establishing the box that is used for depositing the flocculation agent, establishing the input pipeline between box and flocculation pond and being used for mixxing the agitating unit of flocculation pond internal water, input the pipeline with box and flocculation pond intercommunication, just be equipped with the valve on the input pipeline.

By adopting the technical scheme, firstly, the sewage in the stirring station is discharged into the sedimentation tank, after the sewage is settled in the sedimentation tank for a certain time, the impurities with larger quality in the sewage can automatically sink to the bottom of the sedimentation tank, then, the water pumping device is used for pumping out the water above the settled water and discharging the water into the flocculation tank, the valve is opened, the flocculating agent in the box body is put into the sewage, then, the stirring device is started, the stirring device is used for stirring the sewage and the flocculating agent in the flocculation tank together, in the stirring process, the suspended impurities and the impurities with smaller particles in the sewage can be condensed together to form precipitates with larger volume and can be settled downwards to the bottom of the flocculation tank, the sewage is changed into clear water, and finally, the clear water after secondary sedimentation is pumped into the discharge tank from the flocculation tank by using the water pumping device for waiting for recycling, compared with a plurality of self-settling modes for treating the sewage, the impurities in the sewage are easier to deposit together, so that a large amount of treatment time is saved, and the sewage treatment efficiency and treatment quality are improved.

Optionally, agitating unit is including setting firmly the support frame in flocculation pond top, rotating the main shaft of connection on the support frame, setting firmly the carousel in main shaft one end, installing and being used for driving main shaft pivoted driving motor on the support frame and a plurality of puddler of establishing on the carousel, the puddler is kept away from the one end of carousel and is stretched into in the flocculation pond, just the puddler is along the circumference interval arrangement of carousel.

Through adopting above-mentioned technical scheme, when starting agitating unit, open driving motor, driving motor drives main shaft and carousel and rotates simultaneously, and rotary motion is also around the axis of main shaft thereupon to all puddlers on the carousel, and at the gyration in-process, the puddler fully stirs flocculating agent and sewage, makes both mix together, realizes the function that the flocculating agent condenses the precipitate.

Optionally, a screw is fixedly arranged at the top end of the stirring rod, and the screw is rotatably connected to the turntable.

Through adopting above-mentioned technical scheme, at the in-process that the puddler mixxed sewage, the flocculant can condense part of the precipitate on the puddler, and when the impurity of adhesion was more on the puddler, rotatable puddler pulled down it from the carousel, and the convenience is cleared up the puddler.

Optionally, one end of the screw rod, which is far away from the stirring rod, penetrates through the turntable, and one end of the screw rod, which penetrates through the turntable, is connected with a locknut in a threaded manner, and the locknut is abutted against the turntable.

Through adopting above-mentioned technical scheme, locknut has further increased the joint strength of screw rod and carousel, makes the carousel be difficult for not hard up in the connection of rotation in-process screw rod and carousel.

Optionally, a cover plate for sealing the opening is fixedly arranged at the opening at the top of the sedimentation tank, and a plurality of filter holes are formed in the cover plate.

Through adopting above-mentioned technical scheme, before throwing in the sedimentation tank with sewage, the great impurity of granule can be filtered by the filtration pore on the apron earlier in the sewage, reduces the impurity content that sewage contained in the sedimentation tank, makes the sewage in the sedimentation tank need not through long-time sediment for the treatment effeciency to sewage.

Optionally, one end of the cover plate is arranged in a downward inclined mode, and the filter hole is formed in the higher side of the cover plate.

Through adopting above-mentioned technical scheme, by filterable bold impurity can roll the lower one side of apron height under the action of gravity on the apron, realize gathering the effect together with bold impurity, also be bold impurity and do not pile up at the filtration pore that crosses, make to cross the difficult jam of filtration pore.

Optionally, a filter screen is fixedly arranged in the discharge tank, and the water pumping device is positioned between the flocculation tank and the discharge tank and used for discharging water in the flocculation tank to the position above the filter screen.

By adopting the technical scheme, before the clear water after flocculation is discharged into the discharge tank, the clear water is firstly filtered by the filter screen, so that the clear water is filtered by the filter screen again, and part of flocculated sediment which is pumped along with the clear water is isolated on the filter screen, thereby further improving the treatment quality of the sewage.

Optionally, the water pumping device comprises a water pump, a water pumping pipeline connected to a water inlet of the water pump, and a water draining pipeline connected to a water outlet of the water pump; in the water pumping device positioned between the sedimentation tank and the flocculation tank, the opening of the water pumping pipeline is positioned above the bottom wall of the sedimentation tank; be located the pumping device between flocculation basin and the discharging pool, the opening that draws water the pipeline also is located the diapire top in flocculation basin.

Through adopting above-mentioned technical scheme, when using pumping device, start the suction pump, the suction pump is through the pipeline that draws water with water suction in the discharge pipe, again by discharge pipe with water discharge, the suction pipe bottom that is located sedimentation tank and flocculation pond all has one end distance apart from its bottom of the pool, makes the suction pipe be difficult for inhaling the precipitate with sedimentation tank and flocculation pond bottom of the pool to ensure that the treatment effect to sewage is better, simple structure is practical.

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

1. in the sewage treatment process, through two steps of self-precipitation and flocculation precipitation, most of impurities contained in the sewage are removed, and under the action of flocculation precipitation, the sewage treatment efficiency is high, multiple long-time standing precipitation is not needed, and the sewage treatment efficiency and the sewage treatment quality are improved;

2. in the flocculation and precipitation process, the stirring device continuously stirs the sewage and the flocculating agent, so that the precipitation and aggregation speed of the sewage in the flocculation tank is increased, the sewage treatment time is further shortened, and the treatment efficiency is improved;

3. adopt the puddler to realize the stirring to sewage and flocculating agent around main shaft axis pivoted mode, not only the stirring range is great, and the puddler shape is regular moreover, can also pull down from the carousel, is convenient for clear up the deposit of adhesion on the puddler.

Drawings

FIG. 1 is a schematic view showing the structure of a sewage treatment system according to an embodiment of the present invention.

FIG. 2 is a sectional view showing the internal structure of the sedimentation tank, flocculation tank and discharge tank.

Fig. 3 is a sectional view showing the structure of the stirring device and the connection relationship between the tank and the charging pipe.

Fig. 4 is an exploded view showing the connection of the stirring rod to the turntable.

Description of reference numerals: 1. a sedimentation tank; 11. a cover plate; 111. a filtration pore; 2. a flocculation tank; 21. mounting a bracket; 3. a discharge tank; 31. a filter screen; 4. a water pumping device; 41. a water pump; 42. a water pumping pipeline; 43. a discharge conduit; 5. a box body; 51. putting a pipeline; 52. a valve; 6. a stirring device; 61. a main shaft; 62. a turntable; 621. a threaded hole; 63. a stirring rod; 631. a screw; 632. a locknut; 64. the motor is driven.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a sewage treatment system for a mixing plant.

Referring to fig. 1 and 2, sewage treatment system includes sedimentation tank 1, flocculation tank 2 and discharge tank 3, sedimentation tank 1, flocculation tank 2 all is inside cavity open-top's shell structure with discharge tank 3, sedimentation tank 1, flocculation tank 2 and discharge tank 3 arrange in proper order and fixed connection together along the horizontal direction, and between sedimentation tank 1 and flocculation tank 2, all be equipped with pumping device 4 between flocculation tank 2 and the discharge tank 3, pumping device 4 that is located between sedimentation tank 1 and the flocculation tank 2 is arranged in with the water suction in sedimentation tank 1 flocculation tank 2, pumping device 4 that is located between flocculation tank 2 and the discharge tank 3 is used for discharging the water in flocculation tank 2 into discharge tank 3.

When handling sewage, discharge earlier the sedimentation tank 1 in the sedimentation tank 1 sedimentation of standing still, make the great impurity of specific gravity deposit at the bottom of the pool of sedimentation tank 1 by oneself in the sewage, in the preliminary treatment's that obtains after will depositing sewage drainage of flocculation basin 2 is again by pumping device 4, then to throwing in the flocculation basin 2 flocculation agent, make the flocculation agent with sewage in the specific gravity little, the impurity of suspension condenses to the great precipitate of volume and the secondary sedimentation of standing still, in the clear water drainage that obtains after will coagulating sedimentation by pumping device 4 at last again discharges 3 ponds, wait for carrying out recycle to the clear water that obtains after handling.

Referring to fig. 1 and 2, a cover plate 11 is fixedly arranged in an opening of the sedimentation tank 1, one end of the cover plate 11, which is far away from the flocculation tank 2, is inclined downwards, and a plurality of filter holes 111 are formed in one side of the cover plate 11, which is higher in height. Before discharging sewage in the sedimentation tank 1, sewage can be earlier through the filtration pore 111 that filters on the apron 11, and what contain in the sewage is like building stones, the bulk concrete after solidifying can't pass through filtration pore 111, makes these bulk impurities be detained on apron 11 to reduce the impurity content who contains in the sewage that enters into sedimentation tank 1, the deposit that makes every time detain in the sedimentation tank 1 reduces, conveniently clears up the work to the deposit in the sedimentation tank 1. And the opening impurities retained on the cover plate 11 can roll to the lower end of the cover plate 11 height under the action of gravity and then gather together, so that the impurities cannot stay at the filter holes 111 for a long time, the filter holes 111 are not easy to block, and the impurities accumulated together on the cover plate 11 can be conveniently treated by subsequent workers.

Referring to fig. 1 and 2, the open-top end of flocculation tank 2 has set firmly installing support 21, and be equipped with box 5 and agitating unit 6 on the installing support 21, box 5 also is inside hollow shell structure, the flocculation agent is deposited to inside being used for of box 5, and set firmly on the box 5 and put in pipeline 51, put in pipeline 51 keep away from the one end downwardly extending of box 5 and with stretch into inside flocculation tank 2, put in pipeline 51 with box 5 and flocculation tank 2 intercommunication, and the one end of putting in pipeline 51 and being close to box 5 is equipped with valve 52. Agitating unit 6 is located box 5 one side, and agitating unit 6 is used for mixxing the sewage in the flocculation basin 2.

After pumping device 4 took out the sewage in the sedimentation tank 1 and arranges in flocculation tank 2, opened valve 52, made the flocculation agent in the box 5 put in flocculation tank 2 through putting in pipeline 51, then started agitating unit 6, agitating unit 6 mixes the sewage in flocculation tank 2 with the flocculation agent stirring, the stirring in-process flocculation agent is less with the proportion that contains in sewage, the impurity of suspension is condensed into the great precipitate of volume, the realization is to the coagulation sedimentation treatment work of sewage.

Referring to fig. 3 and 4, the stirring device 6 includes a main shaft 61, a turntable 62, a plurality of stirring rods 63, and a driving motor 64; the main shaft 61 is arranged along the vertical direction, the main shaft 61 is rotatably connected to the mounting bracket 21, the turntable 62 is fixedly arranged at the bottom end of the main shaft 61, and the axis of the turntable 62 is overlapped with that of the main shaft 61; puddler 63 sets up along the axial of main shaft 61, the cross section of puddler 63 is circular, all puddlers 63 all along the even interval distribution of circumference of main shaft 61 on the bottom surface of carousel 62, the top of each puddler 63 all sets firmly screw rod 631, a plurality of screw holes 621 have been seted up on the circumference border of carousel 62, screw hole 621 quantity is unanimous with puddler 63 quantity, the equal threaded connection of screw rod 631 at each puddler 63 top is in carousel 62, and the top of screw rod 631 is worn a department screw hole 621 and is extended in carousel 62 top, and the equal threaded connection of one end that each screw rod 631 passed screw hole 621 has locknut 632, locknut 632 supports the top surface at carousel 62 tightly. The motor is fixedly mounted on the mounting bracket 21, and an output shaft of the motor is fixedly connected with the main shaft 61, so that the motor can drive the main shaft 61 to rotate.

When using agitating unit 6, the starter motor earlier, the motor drives main shaft 61 and carousel 62 synchronous rotation, and all puddlers 63 on the carousel 62 also can be along with carousel 62 is synchronous to be around the rotation of main shaft 61 axis, and puddler 63 rotates the in-process and realizes the stirring function to sewage, under the work function of a plurality of puddlers 63, to sewage and flocculating agent even stirring. Because in the stirring process, part of the sediment coagulated by the flocculant can be adhered to the stirring rod 63, after a large amount of sediment is adhered to the stirring rod 63, the locknut 632 is firstly rotated, the locknut 632 is taken off from the stirring rod 63, then the stirring rod 63 is rotated, the stirring rod 63 is detached from the turntable 62, and then the sediment on the surface of the stirring rod is cleaned, and the cleaning work is simpler because the shape of the stirring rod 63 is regular. After the cleaning is finished, the stirring rod 63 is screwed on the rotating disc 62 again, and under the action of the locknut 632, the stirring rod 63 rotates, the threaded connection between the screw 631 and the rotating disc 62 is not easy to loose, and the stability of the stirring device 6 in the using process is ensured.

Referring to fig. 1 and 2, a filter net 31 is fixedly installed in the top opening of the discharge tank 3, and the mesh of the filter net 31 is smaller than the filter holes 111. When the clear water that obtains after will flocculating the interior processing of pond 2 is pumped out and is arranged in flocculating the pond 2, partly coagulated deposit probably follows the clear water and together is pumped out to the discharging pool 3, and filter screen 31 can prevent these deposits to fall in the inside of sedimentation tank 1 this moment, realizes the filtration processing once more to the clear water, further improves the treatment quality to sewage.

With reference to fig. 1 and 2, the two water pumping devices 4 are identical in structure, and the following is further described with reference to the water pumping device 4 located between the sedimentation tank 1 and the flocculation tank 2: pumping device 4 includes suction pump 41, water pumping pipeline 42 and discharge pipe 43, suction pump 41 is fixed on the lateral wall top that sedimentation tank and flocculation pond 2 link together, water pumping pipeline 42 and drainage pipe all set up along vertical direction, water pumping pipeline 42's top is connected with suction pump 41's water inlet, bottom downwardly extending to sedimentation tank 1's bottom of the pool top, and water pumping pipeline 42 runs through the high one end of apron 11 height, drainage pipe's top is connected with suction pump 41's delivery port, bottom downwardly extending to flocculation pond 2's bottom of the pool top.

When using pumping device 4's process, start suction pump 41, during suction pump 41 pumps the sewage in sedimentation tank 1 into discharge pipe 43 through drinking-water pipeline 42, again by flowing into flocculation basin 2 through discharge pipe 43, and the bottom of drinking-water pipeline 42 is apart from one end with sedimentation tank 1 bottom of the pool, make the sediment of deposiing in sedimentation tank 1 bottom be difficult by the suction-water pipeline 42 of being pumped in, and the bulk impurity that is filtered out on apron 11 also can be to rolling the accumulation to the one side of keeping away from drinking-water pipeline 42, do not influence the normal use of drinking-water pipeline 42.

In the pumping device 4 that is arranged between the flocculation tank 2 and the discharge tank 3, the bottom end of the pumping pipeline 42 is also arranged above the bottom of the flocculation tank 2, so that the condensed sediment is not easy to be pumped into the discharge tank 3, and the bottom end of the discharge pipeline 43 is arranged above the filter screen 31, so that the discharged clean water flows into the discharge tank 3 after passing through the filter screen 31.

The implementation principle of the sewage treatment system for the mixing plant in the embodiment of the application is as follows: when sewage in the stirring station is treated, after the sewage is subjected to primary filtration, self-sedimentation, coagulation sedimentation and secondary filtration, large-block impurities with large specific gravity and small-block and suspended impurities with small specific gravity contained in the sewage are discharged, and clear water capable of being recycled is obtained. In the process of sewage treatment, sewage does not need to be automatically precipitated for many times, the sewage treatment efficiency is improved, and the sewage treatment quality is improved.

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

1. A sewage treatment system for a mixing plant, characterized in that: the device comprises a sedimentation tank, a flocculation tank (2) and a discharge tank (3), wherein a water pumping device (4) is arranged between the sedimentation tank and the flocculation tank (2), and between the flocculation tank (2) and the discharge tank (3), and the water pumping device (4) is used for pumping water in the sedimentation tank into the flocculation tank (2) or pumping water in the flocculation tank (2) into the discharge tank (3);

still including establishing box (5) that are used for depositing the flocculation agent, establishing throwing in pipeline (51) between box (5) and flocculation pond (2) and be used for stirring agitating unit (6) of flocculation pond (2) internal water, put in pipeline (51) with box (5) and flocculation pond (2) intercommunication, just be equipped with valve (52) on throwing in pipeline (51).

2. The sewage treatment system for a mixing station of claim 1, wherein: agitating unit (6) including set firmly support frame, rotation connection main shaft (61) on the support frame in flocculation pond (2) top, set firmly carousel (62) in main shaft (61) one end, install and be used for driving main shaft (61) pivoted driving motor (64) on the support frame to and establish puddler (63) on carousel (62) to a plurality of, puddler (63) keep away from the one end of carousel (62) and stretch into in flocculation pond (2), just puddler (63) are along the circumference interval arrangement of carousel (62).

3. The sewage treatment system for a mixing station of claim 2, wherein: the top end of the stirring rod (63) is fixedly provided with a screw (631), and the screw (631) is rotationally connected to the rotating disc (62).

4. A sewage treatment system for a mixing station according to claim 3, wherein: one end of the screw (631), which is far away from the stirring rod (63), penetrates through the rotating disc (62), one end of the screw (631), which penetrates through the rotating disc (62), is in threaded connection with a locknut (632), and the locknut (632) abuts against the rotating disc (62).

5. The sewage treatment system for a mixing station of claim 1, wherein: the top opening part of the sedimentation tank is fixedly provided with a cover plate (11) for sealing the opening, and the cover plate (11) is provided with a plurality of filter holes (111).

6. The sewage treatment system for a mixing station of claim 5, wherein: one end of the cover plate (11) is arranged in a downward inclined mode, and the filter holes (111) are formed in the side, higher in height, of the cover plate (11).

7. The sewage treatment system for a mixing station of claim 1, wherein: a filter screen (31) is fixedly arranged in the discharge tank (3), and the water pumping device (4) is positioned between the flocculation tank (2) and the discharge tank (3) and used for discharging water in the flocculation tank (2) to the upper part of the filter screen (31).

8. The sewage treatment system for a mixing station of claim 1, wherein: the water pumping device (4) comprises a water pump (41), a water pumping pipeline (42) connected to a water inlet of the water pump (41) and a water drainage pipeline connected to a water outlet of the water pump (41);

the water pumping pipeline (42) is arranged in a water pumping device (4) between the sedimentation tank and the flocculation tank (2), and an opening of the water pumping pipeline is positioned above the bottom wall of the sedimentation tank; the water pumping device (4) is positioned between the flocculation tank (2) and the discharge tank (3), and the opening of the water pumping pipeline (42) is also positioned above the bottom wall of the flocculation tank (2).