CN214115164U

CN214115164U - Waste water treatment equipment for circulating water tank of spray tower

Info

Publication number: CN214115164U
Application number: CN202022585912.3U
Authority: CN
Inventors: 叶庆龙; 丁学锋; 余泽平; 陈晶晶
Original assignee: Zhejiang Xinhuan Environmental Protection Co ltd
Current assignee: Zhejiang Xinhuan Environmental Protection Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-09-03
Anticipated expiration: 2030-11-10

Abstract

The utility model provides a waste water treatment equipment for spray column circulating water tank, includes spray column body and the circulating water tank body that is located spray column body bottom, has the waste water treatment assembly through the pipe connection between the water spout at circulating water tank body and spray column body top, and the waste water treatment assembly includes oil interceptor, air supporting coagulation equipment, pressure filter, aeration tank, filter tank and clean water basin, connects gradually through the pipeline between each part. The utility model discloses through the processing to waste water, reduced the impurity in the circulating water effectively, prevent that the water spout from blockking up and the suction pump from damaging.

Description

Waste water treatment equipment for circulating water tank of spray tower

Technical Field

The utility model belongs to the technical field of the spray column, specifically be a waste water treatment equipment for spray column circulating water tank.

Background

The spray tower body is commonly used in industrial dust purification and organic waste gas treatment, is a common treatment device in waste gas treatment, and has the working principle that chemical agents are adopted to treat waste gas so as to achieve the purposes of waste gas purification and deodorization; when the gas that contains the pollutant passes the packing layer, pollutant molecules and small dust in the gas will be intercepted by the liquid film on the packing, block, and the pollutant molecules are changed into the liquid phase by the gaseous phase, and with effective molecular reaction in the liquid phase, thereby adsorbed, decompose and filter, the water after spraying can directly fall into and recycles in the circulating water tank body of spray column body bottom, but the used water that sprays often can contain more impurity, the turbidity is great, just can cause the water spout to block in the time of the long term, damage the suction pump.

Therefore, the utility model provides a technical scheme aims at solving the problem that contains more impurity in the circulating water and blocks the water spout.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a waste water treatment equipment for spray column circulating water tank in order to solve the problem that contains more impurity in the circulating water and block the water spout.

A wastewater treatment device for a spray tower circulating water tank comprises a spray tower body and a circulating water tank body positioned at the bottom of the spray tower body, wherein a wastewater treatment assembly is connected between the circulating water tank body and a water spray nozzle at the top of the spray tower body through a pipeline, the wastewater treatment assembly comprises an oil separation tank, an air flotation coagulation device, a filter press, an aeration tank, a filter tank and a clean water tank, a first sewage lifting pump is arranged in the circulating water tank body, the oil separation tank is provided with a sewage inlet and a water outlet, a first pipeline is connected between the first sewage lifting pump and the sewage inlet, the air flotation coagulation device is provided with a first inlet and a first outlet, a second pipeline is connected between the water outlet and the first inlet, a pneumatic diaphragm pump is arranged at the first outlet, a second inlet and a second outlet are arranged on the filter press, and a third pipeline is connected between the pneumatic diaphragm pump and the second inlet, the aeration tank is provided with a third inlet and a third outlet, a fourth pipeline is connected between the second outlet and the third inlet, the third outlet is provided with a second sewage lift pump, the filter tank is provided with a fourth inlet and a fourth outlet, a fifth pipeline is connected between the second sewage lift pump and the fourth inlet, a fifth inlet and a fifth outlet are formed in the clean water tank, a sixth pipeline is connected between the fourth outlet and the fifth inlet, a first water suction pump is arranged at the fifth outlet, and a seventh pipeline is connected between the first water suction pump and a water nozzle at the top of the spray tower body.

Through adopting above-mentioned technical scheme, it is internal that spray column body sewage flows into circulating water tank certainly. The sewage in the circulating water tank body is lifted to the interior of the wastewater treatment assembly by the first sewage lifting pump for treatment. Sewage firstly enters an oil separation tank from a sewage inlet through a first sewage lifting pump and a first pipeline, oil and water are separated by utilizing the principle that oil is lighter than water, then the sewage automatically flows into air-float coagulation equipment from a water outlet through a second pipeline and the first inlet, suspended substances in the water are coagulated into clusters and discharged, the sewage is pumped into a filter press machine through a pneumatic diaphragm pump through a third pipeline and a second inlet at a first outlet, the sewage is filtered through fine filter cloth, all impurities in the sewage are dehydrated through the filter press machine and then directly pressed into mud cakes to be transported outside, then the sewage flows out from a second outlet and automatically flows into an aeration tank through a fourth pipeline and a third inlet for oxygen-charging and aeration, the COD and the ammonia nitrogen content in the water are effectively reduced, then the sewage is pumped into a filtering tank through a fifth pipeline and a fourth inlet by a second sewage lifting pump arranged at a third outlet, filtered clean water flows out from a fourth outlet and automatically flows into the clean water tank through a sixth pipeline and the fifth inlet, and then the first water suction pump arranged at the fifth outlet conveys the clean water in the clean water pool to a water spray nozzle at the top of the spray tower body through a seventh pipeline for spraying. The utility model discloses through the processing to waste water, reduced the impurity in the circulating water effectively, prevent that the water spout from blockking up and the suction pump from damaging.

The utility model discloses a further setting: a grid is arranged in the circulating water tank body.

Through adopting above-mentioned technical scheme, the grid is used for intercepting the solid suspended substance that the volume is great.

The utility model discloses a further setting: the circulating water tank body is also internally provided with a water level controller for controlling the first sewage lifting pump.

Through adopting above-mentioned technical scheme, water level controller is used for realizing the automatic of first sewage elevator pump and opens and close, and the water level is automatic when high to open, and the water level is automatic when low to close.

The utility model discloses a further setting: the filter tank comprises a quartz sand filter and an activated carbon filter.

By adopting the technical scheme, the effluent is clearer and brighter after two-stage filtration.

The utility model discloses a further setting: the filter tank is provided with a back washing structure, the back washing structure comprises a second water suction pump, an eighth pipeline and a ninth pipeline, a sixth outlet is further formed in the clean water tank, the second water suction pump is installed at the sixth outlet, a sixth inlet and a seventh outlet are formed in the filter tank, two ends of the eighth pipeline are connected with the second water suction pump and the sixth inlet respectively, a seventh inlet is further formed in the air floatation coagulation equipment, and two ends of the ninth pipeline are connected with the seventh outlet and the seventh inlet respectively.

Through adopting above-mentioned technical scheme, after filtering for a long time, there is some accumulational impurity on the filter material upper strata of filtering tank, starts the second suction pump of establishing at the sixth export, flows into the filtration jar back flush through eighth pipeline and sixth entry with the clear water in the clear water pond, and the water that washes flows out from the seventh export again, flows into the air supporting coagulation equipment through ninth pipeline and seventh entry and retreats.

The utility model discloses a further setting: and control valves are arranged on the first pipeline, the second pipeline, the third pipeline, the fourth pipeline, the fifth pipeline, the sixth pipeline, the seventh pipeline, the eighth pipeline and the ninth pipeline.

By adopting the technical scheme, the control valve is used for controlling the opening and closing states of the pipelines.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a waste water treatment equipment for spray column circulating water tank, spray column body sewage is from flowing into the circulating water tank this internally. The sewage in the circulating water tank body is lifted to the interior of the wastewater treatment assembly by the first sewage lifting pump for treatment. Sewage firstly enters an oil separation tank from a sewage inlet through a first sewage lifting pump and a first pipeline, oil and water are separated by utilizing the principle that oil is lighter than water, then the sewage automatically flows into air-float coagulation equipment from a water outlet through a second pipeline and the first inlet, suspended substances in the water are coagulated into clusters and discharged, the sewage is pumped into a filter press machine through a pneumatic diaphragm pump through a third pipeline and a second inlet at a first outlet, the sewage is filtered through fine filter cloth, all impurities in the sewage are dehydrated through the filter press machine and then directly pressed into mud cakes to be transported outside, then the sewage flows out from a second outlet and automatically flows into an aeration tank through a fourth pipeline and a third inlet for oxygen-charging and aeration, the COD and the ammonia nitrogen content in the water are effectively reduced, then the sewage is pumped into a filtering tank through a fifth pipeline and a fourth inlet by a second sewage lifting pump arranged at a third outlet, filtered clean water flows out from a fourth outlet and automatically flows into the clean water tank through a sixth pipeline and the fifth inlet, and then the first water suction pump arranged at the fifth outlet conveys the clean water in the clean water pool to a water spray nozzle at the top of the spray tower body through a seventh pipeline for spraying. The utility model discloses through the processing to waste water, reduced the impurity in the circulating water effectively, prevent that the water spout from blockking up and the suction pump from damaging.

Drawings

FIG. 1 is a schematic structural view of a wastewater treatment device for a spray tower circulating water tank of the present invention.

Reference numerals: 1. a spray tower body; 2. a circulating water tank body; 3. an oil separation tank; 4. air flotation coagulation equipment; 5. a filter press; 6. an aeration tank; 7. a filter tank; 8. a clean water tank; 9. a first sewage lift pump; 10. a first conduit; 11. a second conduit; 12. a pneumatic diaphragm pump; 13. a third pipeline; 14. a fourth conduit; 15. a second sewage lift pump; 16. a fifth pipeline; 17. a sixth pipeline; 18. a first water pump; 19. a seventh pipe; 20. a grid; 21. a water level controller; 22. a quartz sand filter; 23. an activated carbon filter; 24. a second water pump; 25. an eighth conduit; 26. a ninth conduit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

A waste water treatment equipment for a spray tower circulating water tank is shown in figure 1 and comprises a spray tower body 1 and a circulating water tank body 2 positioned at the bottom of the spray tower body 1, wherein a waste water treatment assembly is connected between the circulating water tank body 2 and a water spray nozzle at the top of the spray tower body 1 through a pipeline. The wastewater treatment assembly comprises an oil separation tank 3, an air flotation coagulation device 4, a filter press 5, an aeration tank 6, a filter tank 7 and a clean water tank 8. The air flotation coagulation equipment 4 adopts an air flotation flocculating machine, and the filter press 5 adopts a plate and frame filter press.

A grating 20, a first sewage lifting pump 9 and a water level controller 21 are arranged in the circulating water tank body 2. The grid 20 is used to intercept a large volume of solid suspension. The first sewage lift pump 9 is for pumping out sewage from the inside of the circulating water tank body 2. The water level controller 21 is used for realizing the automatic opening and closing of the first sewage lifting pump 9, and is automatically opened when the water level is high and automatically closed when the water level is low.

The oil separation tank 3 is provided with a sewage inlet and a water outlet, and a first pipeline 10 is connected between the first sewage lifting pump 9 and the sewage inlet. The oil separation tank 3 is also provided with an oil discharge port for discharging oil.

The air flotation coagulation equipment 4 is provided with a first inlet, a first outlet and a seventh inlet, a second pipeline 11 is connected between the water outlet and the first inlet, and a pneumatic diaphragm pump 12 is arranged at the first outlet.

The filter press 5 is provided with a second inlet and a second outlet, and a third pipeline 13 is connected between the pneumatic diaphragm pump 12 and the second inlet. The plate and frame filter press 5 is also provided with a sludge discharge port for discharging sludge cakes.

The aeration tank 6 is provided with a third inlet and a third outlet, a fourth pipeline 14 is connected between the second outlet and the third inlet, and a second sewage lifting pump 15 is arranged at the third outlet.

A fourth inlet, a fourth outlet, a sixth inlet and a seventh outlet are formed in the filter tank 7, a fifth pipeline 16 is connected between the second sewage lift pump 15 and the fourth inlet, and a ninth pipeline 26 is connected between the seventh outlet and the seventh inlet. The filter tank 7 comprises a quartz sand filter 22 and an active carbon filter 23, and the effluent is clearer and brighter after two-stage filtration.

A fifth inlet, a fifth outlet and a sixth outlet are formed in the clean water tank 8, a sixth pipeline 17 is connected between the fourth outlet and the fifth inlet, a first water suction pump 18 is arranged at the fifth outlet, a seventh pipeline 19 is connected between the first water suction pump 18 and a water spray nozzle at the top of the spray tower body 1, a second water suction pump 24 is arranged at the sixth outlet, and an eighth pipeline 25 is connected between the second water suction pump 24 and the sixth inlet.

Control valves are arranged on the first pipeline 10, the second pipeline 11, the third pipeline 13, the fourth pipeline 14, the fifth pipeline 16, the sixth pipeline 17, the seventh pipeline 19, the eighth pipeline 25 and the ninth pipeline 26.

The working principle is as follows: when the sewage in the circulation tank body 2 is treated, the control valves on the eighth pipe 25 and the ninth pipe 26 are closed. The sewage of the spray tower body 1 automatically flows into the circulating water tank body 2. The sewage in the circulating water tank body 2 is lifted to the interior of the wastewater treatment assembly by the first sewage lifting pump 9 for treatment. Sewage firstly enters an oil separation tank 3 from a sewage inlet through a first sewage lifting pump 9 and a first pipeline 10, oil and water are separated by utilizing the principle that oil is lighter than water, then the sewage automatically flows into an air flotation coagulation device 4 from a water outlet through a second pipeline 11 and the first inlet, suspended substances in the water are coagulated into clusters and discharged under the action of bubbles by utilizing a water purification flocculant PAC and a coagulant aid PAM, the sewage is pumped into a filter press 5 through a third pipeline 13 and a second inlet at a first outlet by a pneumatic diaphragm pump 12 and is filtered by fine filter cloth, all impurities in the sewage are dehydrated by the filter press 5 and then are directly pressed into mud cakes for outward transportation, then the sewage flows out from the second outlet and automatically flows into an aeration tank 6 through a fourth pipeline 14 and the third inlet for oxygen aeration, the content of COD and ammonia nitrogen in the water is effectively reduced, and the sewage is pumped into a filter tank 7 through a fifth pipeline 16 and the fourth inlet by a second sewage lifting pump 15 arranged at the third outlet, the filtered clean water flows out from the fourth outlet and automatically flows into the clean water tank 8 through the sixth pipeline 17 and the fifth inlet, and the clean water in the clean water tank 8 is conveyed to the water spray nozzle at the top of the spray tower body 1 through the seventh pipeline 19 by the first water suction pump 18 arranged at the fifth outlet for spraying. The utility model discloses through the processing to waste water, reduced the impurity in the circulating water effectively, prevent that the water spout from blockking up and the suction pump from damaging.

During back flushing, the control valves on the first pipeline 10, the second pipeline 11, the fifth pipeline 16 and the sixth pipeline 17 are closed, the second water pump 24 arranged at the sixth outlet is started, clean water in the clean water tank 8 flows into the filter tank 7 through the eighth pipeline 25 and the sixth inlet for back flushing, and the flushed water flows out from the seventh outlet and flows into the air flotation coagulation device 4 through the ninth pipeline 26 and the seventh inlet for retreatment.

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

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

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a waste water treatment equipment for spray column circulating water tank, includes spray column body (1) and is located circulating water tank body (2) of spray column body (1) bottom, its characterized in that: a wastewater treatment assembly is connected between the circulating water tank body (2) and a water spray nozzle at the top of the spray tower body (1) through a pipeline, the wastewater treatment assembly comprises an oil separation tank (3), an air floatation coagulation device (4), a filter press (5), an aeration tank (6), a filter tank (7) and a clean water tank (8), a first sewage lifting pump (9) is arranged in the circulating water tank body (2), the oil separation tank (3) is provided with a sewage inlet and a water outlet, a first pipeline (10) is connected between the first sewage lifting pump (9) and the sewage inlet, the air floatation coagulation device (4) is provided with a first inlet and a first outlet, a second pipeline (11) is connected between the water outlet and the first inlet, a pneumatic diaphragm pump (12) is arranged at the first outlet, a second inlet and a second outlet are arranged on the filter press (5), be connected with third pipeline (13) between pneumatic diaphragm pump (12) and the second entry, third entry and third export have been seted up in aeration tank (6), be connected with fourth pipeline (14) between second export and the third entry, the third exit is provided with second sewage elevator pump (15), fourth entry and fourth export have been seted up in filtration jar (7), be connected with fifth pipeline (16) between second sewage elevator pump (15) and the fourth entry, fifth entry and fifth export have been seted up on clean water basin (8), be connected with sixth pipeline (17) between fourth export and the fifth entry, fifth export is provided with first suction pump (18), be connected with seventh pipeline (19) between first suction pump (18) and the water jet at spray tower body (1) top.

2. The wastewater treatment facility for a circulation tank of a spray tower according to claim 1, wherein: a grating (20) is arranged in the circulating water tank body (2).

3. The wastewater treatment facility for a circulation tank of a spray tower according to claim 1, wherein: and a water level controller (21) used for controlling the first sewage lifting pump (9) is also arranged in the circulating water tank body (2).

4. The wastewater treatment facility for a circulation tank of a spray tower according to claim 1, wherein: the filter tank (7) comprises a quartz sand filter (22) and an active carbon filter (23).

5. The wastewater treatment facility for a circulation tank of a spray tower according to claim 1, wherein: the filter tank is characterized in that a backwashing structure is further arranged on the filter tank (7), the backwashing structure comprises a second water suction pump (24), an eighth pipeline (25) and a ninth pipeline (26), a sixth outlet is further formed in the clean water tank (8), the second water suction pump (24) is installed at the sixth outlet, a sixth inlet and a seventh outlet are formed in the filter tank (7), two ends of the eighth pipeline (25) are connected with the second water suction pump (24) and the sixth inlet respectively, a seventh inlet is further formed in the air floatation coagulation equipment (4), and two ends of the ninth pipeline (26) are connected with the seventh outlet and the seventh inlet respectively.

6. The wastewater treatment facility for a circulation tank of a spray tower according to claim 1, wherein: control valves are arranged on the first pipeline (10), the second pipeline (11), the third pipeline (13), the fourth pipeline (14), the fifth pipeline (16), the sixth pipeline (17), the seventh pipeline (19), the eighth pipeline (25) and the ninth pipeline (26).