CN213643396U

CN213643396U - Sewage treatment system

Info

Publication number: CN213643396U
Application number: CN202022143755.0U
Authority: CN
Inventors: 韩浩; 彭齐发; 段忠书; 张田源
Original assignee: Wuhan Changhua Huixin Building Materials Co ltd
Current assignee: Wuhan Changhua Huixin Building Materials Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-07-09
Anticipated expiration: 2030-09-25

Abstract

The utility model relates to a sewage treatment system, the field of no sewage treatment device is thoughtlessly congealed to the concrete, the relatively poor problem of general device to sewage treatment effect has been solved, including the sewage filter equipment who is used for filtering the grit and the grit collecting pit of collecting the grit, set gradually under the sewage filter equipment and be the first processing pond of ladder setting, second processing pond and third processing pond, be provided with the first processing structure who is used for straining sand in the sewage between first processing pond and the second processing pond, be provided with the second processing structure who is used for filtering soluble pollutant between second processing pond and the third processing pond. This application can filter insoluble matters such as grit and soluble pollutant in the concrete sewage, carries out the secondary with the grit in the concrete that filters out simultaneously and retrieves, reduces the influence of concrete sewage to the environment to can effectively water economy resource and the use of concrete waste resource.

Description

Sewage treatment system

Technical Field

The application relates to the field of concrete sewage treatment equipment, in particular to a sewage treatment system.

Background

At present, commercial concrete can wash commercial concrete transport vehicles and stirring main machines by clear water in production and use processes, waste water generated by washing production places is rich in strong alkaline substances such as cement, sand, fly ash, mineral powder and additives, the pH value is up to 11-12, the content of insoluble substances is about 2000-3000mg/L, and the waste water is discharged, so that the waste of water resources is caused, and the pollution to the environment is caused.

The traditional Chinese patent with the application number of CN201810337727.7 provides a sewage filtering device for separating and recycling concrete for construction, which comprises a first supporting frame component, a second supporting frame component, a box body, an end cover, an adsorption layer and a sewage scraping component; one end of the box body is closed, the other end of the box body is open, a cavity body is arranged in the box body, an adsorption layer is arranged on the inner wall of the box body, a through hole is arranged on the side wall close to the open end to serve as a feed inlet, and a plurality of through holes are arranged close to the closed end to serve as water outlets; the outer side wall of the box body is supported and fixed through a first supporting frame; the dirt scraping assembly comprises a fixed plate, a push rod, a sleeve, a positioning block and a foot plate, the sleeve is positioned below the box body through a second supporting frame, a through hole is formed in the wall of the sleeve in the direction perpendicular to the axis of the sleeve, one end of the push rod penetrates through the through hole and then is fixedly connected with the positioning block, and the other end of the push rod is fixedly connected with the fixed plate; the fixed plate is positioned in the box body, and two ends of the fixed plate are contacted with the adsorption layer; a pedal is arranged on the side wall of the positioning block; the part of the push rod between the sleeve and the positioning block is sleeved with a spring.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: the device is because filtering sewage for single-stage filtration, has only filtered the great graininess pollutant in the sewage, and the water resource of crossing filters still contains more soluble pollutant, and the colloid that is less to the granule in the sewage filters more difficultly, makes the treatment effect to sewage relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to carry out comparatively detailed filtration in the sewage in a large amount of sewage, the application provides a sewage treatment system.

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

the utility model provides a sewage treatment system, is including the gravel collecting pit that is used for filtering the sewage filter equipment of gravel and collects the gravel, first processing pond, second processing pond and the third processing pond that is the ladder setting have set gradually under the sewage filter equipment, first processing pond with be provided with the first processing structure that is used for filtering sand in the sewage between the second processing pond, the second processing pond with be provided with the second processing structure that is used for filtering soluble pollutant between the third processing pond.

Through adopting above-mentioned technical scheme, filter out and collect the gravel that filters out through the great gravel of sewage filter equipment in the granularity in with sewage in the gravel collects the pond, sewage and the less gravel of granularity flow direction first processing pond, the less granule of granularity filters in first processing pond of first processing mechanism, make the sewage that contains soluble pollutant flow into the second and handle the pond, the water and the soluble pollutant of second processing pond are filtered to the second processing mechanism, make the water that flows into in the third processing pond comparatively clean, make and to filter a large amount of sewage simultaneously and filter the gravel in the sewage simultaneously with soluble pollutant, reduce the pollution of sewage to the environment, make sewage reduce the pollution of environment, the use of water economy resource simultaneously.

Preferably, the first treatment structure comprises a first filter plate disposed between the first treatment bath and the second treatment bath, the first filter plate being located below an inner wall of the first treatment bath adjacent to the second treatment bath.

Through adopting above-mentioned technical scheme, filter the less grit in with first treatment tank from sewage through first filter, make the quantity that gets into the grit in the second treatment tank less.

Preferably, the second treatment structure comprises a water treatment filtering membrane arranged between the second treatment tank and the third treatment tank, and the water treatment filtering membrane is positioned below the inner wall of the second treatment tank close to the second treatment tank.

Through adopting above-mentioned technical scheme, contain the separation of soluble pollutant in the second treatment tank through water treatment filtration membrane in with the second treatment tank, make water pass through water treatment filtration membrane and get into the third treatment tank.

Preferably, a water pumping motor and a water guide pipe connected with the water pumping motor are arranged above the inner wall of one end, far away from the second treatment tank, of the third treatment tank, and the water guide pipe extends to the inside of the third treatment tank.

Through adopting above-mentioned technical scheme, take out the filterable water in the third treatment tank to the concrete mixing plant through aqueduct and water pumping motor and do the recovery and recycle.

Preferably, the sewage filtering device comprises a sewage discharge pipe and a second filtering plate, and the second filtering plate is arranged under the sewage discharge pipe.

Through adopting above-mentioned technical scheme, in sewage passed through the blow off pipe entering system, cross the great granule of diameter filtration in with sewage through the second filter and make water and the less granule of diameter reach first processing pond through the second filter.

Preferably, the two ends of the second filtering plate are both fixed with sand baffles, the sand baffles are perpendicular to the second filtering plate, and the sand baffles are arranged at one end, close to the sewage discharge pipe, of the second filtering plate.

Through adopting above-mentioned technical scheme, the sand baffle through second filter both ends blocks the gravel of flow on the second filter, reduces the quantity of the gravel that directly goes to on the first processing pond from the sand baffle.

Preferably, the second filter plate sets up for the slope, the grit collecting pit sets up under the bottom of second filter plate.

Through adopting above-mentioned technical scheme, through grit and the water separation of second filter in with sewage, the grit slides to low department by the eminence along the second filter that the slope set up, makes the grit on the second filter flow to low department then slide to the grit and collect in the pond.

Preferably, the border of first processing pond is provided with and is used for to the sand suction machine that the grit that deposits in the first processing pond absorbs, the sand suction mouth of sand suction machine extends to inside the first processing pond.

Through adopting above-mentioned technical scheme, the sand suction mouth of sand sucker extends to the inside in first processing pond, and the grit that will deposit at the bottom of the pool in first processing pond through the sand suction mouth of sand sucker piles the concentrated storage of the grit of being convenient for in the grit collection pond with the grit that absorbs, is convenient for carry out secondary recycle.

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

1. a large amount of sewage can be treated by the sewage treatment system, so that the influence of the sewage on the environment is reduced, the pollution of the sewage on the environment is reduced, and the use of water resources is saved;

2. gravel and soluble pollutants in the sewage can be filtered through the first filter plate, the second filter plate and the water treatment filter membrane, so that the filtered water resource is cleaner;

3. concentrate through the grit that filters out and place in the grit collecting tank, make grit can reutilization, waste materials such as grit in the reduction concrete influence to the environment.

Drawings

Fig. 1 is a first structural diagram of the present application.

Reference numerals: 1. a gravel collection tank; 2. a blow-off pipe; 3. a second filter plate; 4. a sand baffle plate; 5. a first treatment tank; 6. a second treatment tank; 7. a third treatment tank; 8. a first filter plate; 9. a sand sucker; 10. a water treatment filtration membrane; 11. a water pumping motor; 12. a water conduit.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses a sewage treatment system. Referring to fig. 1, a sewage treatment system is including the grit collecting pit 1 that is used for filtering the sewage filter equipment of grit and collects the grit, and sewage filter equipment is including blow off pipe 2 and second filter 3, and in the concrete mixing plant through washing a large amount of sewage that concrete mixing plant and concrete transport vechicle produced injected the system into through blow off pipe 2, second filter 3 sets up under blow off pipe 2. In sewage passed through blow off pipe 2 entering system, through the second filter 3 with the great granule of diameter filtration play in the sewage and make water and the mesh of the granule through the filter of diameter less.

Second filter 3 sets up for the slope, gravel collecting pit 1 sets up under the bottom of second filter 3, the aperture of the filtration pore on the second filter 3 is great, the great grit granule of diameter and moisture through second filter 3 in with sewage separate, great aperture makes water be convenient for flow down from second filter 3 simultaneously, the grit is along the second filter 3 of slope setting by eminence displacement to low department, make the grit on second filter 3 flow to the low department then slide in gravel collecting pit 1.

The both ends of second filter version all are fixed with sand baffle 4, sand baffle 4 is perpendicular with second filter 3, two sand baffle 4 settings are close to the border of the one end of blow off pipe 2 at second filter 3, reduce the sewage of the spill from blow off pipe 2 to second filter 3, sand baffle 4 through 3 both ends of second filter blocks the gravel of the flow on the second filter 3, reduce the quantity of the gravel that splashes on the first processing pond 5 from sand baffle 4.

Under the sewage filter equipment has set gradually the first treatment tank 5 that is the ladder setting, second treatment tank 6 and third treatment tank 7, first treatment tank 5, second treatment tank 6, the height of the diapire of third treatment tank 7 reduces gradually, be provided with the first processing structure who is used for filtering sand in the sewage between first treatment tank 5 and the second treatment tank 6, first processing structure is including setting up the first filter 8 between first treatment tank 5 and second treatment tank 6, first filter 8 is located the below of the inner wall that is close to second treatment tank 6 of first treatment tank 5. The smaller grit in the first treatment tank 5 is filtered from the sewage by the first filter plate 8, so that the amount of grit entering the second treatment tank 6 is small.

The border of first processing pond 5 is provided with the sand sucker 9 that is used for absorbing the grit that deposits in the first processing pond 5, and the sand sucking mouth of the sand sucker pipeline of sand sucker 9 extends to inside the first processing pond 5. Gravel deposited at the bottom of the first treatment tank 5 is sucked out from the bottom of the first treatment tank 5 through a sand suction port of a sand suction machine 9, and the absorbed gravel is stacked in the gravel collection tank 1 so as to be conveniently stored in a centralized manner and be conveniently recycled for the second time.

A second treatment structure for filtering soluble pollutants is arranged between the second treatment tank 6 and the third treatment tank 7, the second treatment structure comprises a water treatment filtering membrane 10 arranged between the second treatment tank 6 and the third treatment tank 7, the water treatment filtering membrane 10 is positioned below the inner wall, close to the second treatment tank 6, of the second treatment tank 6, the soluble pollutants in the sewage are filtered through osmotic pressure difference, and water molecules reach the third treatment tank 7 through the water treatment filtering membrane 10. Soluble pollutants contained in the second treatment tank 6 are blocked in the second treatment tank 6 through the water treatment filtering membrane 10, so that water enters the third treatment tank 7 through the water treatment filtering membrane 10.

A water pumping motor 11 and a water guide pipe 12 connected with the water pumping motor 11 are arranged above the inner wall of one end of the third treatment tank 7, which is far away from the second treatment tank 6, and the water guide pipe 12 extends to the inside of the third treatment tank 7. The filtered water in the third treatment tank 7 is pumped out to a concrete mixing plant for recycling through a water guide pipe 12 and a water pumping motor 11.

The implementation principle of the sewage treatment system in the embodiment of the application is as follows:

concentrate sewage emission on second filter 3 through sewage filter device blow off pipe 2, the great grit of granularity filters out and will filter out the grit of straining in with sewage through second filter 3 and collect in grit collecting pit 1, sewage flows to first treatment tank 5 with the grit that granularity is less, first filter 8 filters the less granule of granularity in first treatment tank 5, make the sewage that contains soluble pollutant flow into second treatment tank 6, second processing mechanism filters the soluble pollutant of second treatment tank 6, make the water that flows into in third treatment tank 7 cleaner, sand sucker 9 draws the less grit of granularity in first treatment tank 5 and concentrates on in grit collecting pit 1, aqueduct 12 and water pumper are drawn the cleaner water in third treatment tank 7 and are supplied with in the concrete mixing plant and carry out the secondary use, make the whole system can filter a large amount of sewage simultaneously and carry out the grit in the sewage simultaneously with soluble pollutant Filtering, reducing the pollution of sewage to the environment and saving the use of water resources.

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 is characterized in that: including sewage filter equipment who is used for filtering the grit and grit collecting pit (1) of collecting the grit, set gradually under sewage filter equipment and be first treatment tank (5), second treatment tank (6) and third treatment tank (7) that the ladder set up, first treatment tank (5) with be provided with the first processing structure that is used for straining sand in the sewage between second treatment tank (6), second treatment tank (6) with be provided with the second processing structure that is used for filtering soluble pollutant between third treatment tank (7).

2. The wastewater treatment system according to claim 1, wherein: the first treatment arrangement comprises a first filter plate (8) arranged between the first treatment basin (5) and the second treatment basin (6), the first filter plate (8) being located below the inner wall of the first treatment basin (5) close to the second treatment basin (6).

3. The wastewater treatment system according to claim 1, wherein: the second treatment structure comprises a water treatment filtering membrane (10) arranged between the second treatment tank (6) and the third treatment tank (7), and the water treatment filtering membrane (10) is positioned below the inner wall, close to the second treatment tank (6), of the second treatment tank (6).

4. A wastewater treatment system according to claim 3, characterized in that: the third treatment tank (7) is far away from a water pumping motor (11) and a water guide pipe (12) connected with the water pumping motor (11) are arranged above the inner wall of one end of the second treatment tank (6), and the water guide pipe (12) extends to the inside of the third treatment tank (7).

5. The wastewater treatment system according to claim 4, wherein: the sewage filtering device comprises a sewage discharge pipe (2) and a second filtering plate (3), wherein the second filtering plate (3) is arranged under the sewage discharge pipe (2).

6. The wastewater treatment system according to claim 5, wherein: the two ends of the second filter plate (3) are respectively fixed with a sand baffle (4), and the sand baffle (4) is arranged at one end of the second filter plate (3) close to the sewage discharge pipe (2).

7. The wastewater treatment system according to claim 5, wherein: the second filter (3) are arranged obliquely, and the gravel collecting pool (1) is arranged under the bottom end of the second filter (3).

8. A wastewater treatment system according to claim 3, characterized in that: the border of first processing pond (5) is provided with and is used for right grit that deposits in first processing pond (5) carries out sand suction machine (9) of absorbing, sand suction mouth of sand suction machine (9) extends to inside first processing pond (5).