CN212269774U

CN212269774U - Biological method printing and dyeing wastewater treatment device

Info

Publication number: CN212269774U
Application number: CN201922324311.4U
Authority: CN
Inventors: 罗帅锋; 李雁
Original assignee: Guangzhou Ranyi Biological Technology Co ltd
Current assignee: Guangzhou Ranyi Biological Technology Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2021-01-01
Anticipated expiration: 2029-12-20

Abstract

The utility model belongs to the technical field of waste water treatment equipment, specifically disclose a biological process printing and dyeing effluent treatment plant, including sand filter, just sink pond, smart filtering pond, bological aerated filter, back flush pond and coagulating basin, connect gradually through water pump device between sand filter, just sink pond, smart filtering pond and the bological aerated filter, bological aerated filter includes bological aerated filter, the bological aerated filter bottom is provided with back flush inlet tube, back flush intake pipe and aeration pipe, bological aerated filter is from up being provided with cobble layer, haydite layer and activated carbon layer down, bological aerated filter one side is provided with the back flush drain pipe, back flush water piping connection back flush water. The utility model discloses can fully filter printing and dyeing waste water, the essence filtering pond of setting prevents effectively that aeration biofiltration device from blockking up, and can improve printing and dyeing waste water's purification quality, and the practicality is strong.

Description

Biological method printing and dyeing wastewater treatment device

Technical Field

The utility model relates to a biological printing and dyeing wastewater treatment device, which belongs to the technical field of wastewater treatment equipment.

Background

The dye is a main pollutant in dye wastewater, has various chromogenic groups (such as-N-, -N-O and the like) and partial polar groups (-SO3Na, -OH, -NH2), has complex components, deep chromaticity and poor biodegradability, often contains various organic matters with biotoxicity or 'three-cause effect', and the majority of the organic matters use aromatic groups such as anthracene, quinone and the like as parent bodies, have chromogenic groups, are very dark in color and have strong pollution. The prior dye wastewater treatment method comprises a physical and chemical method, a biological method and a physical and chemical-biological combined method.

At present, impurities and suspended organic solids in raw water in the purification treatment process of a biological method cause frequent blockage of an aeration biological filter, a filter device arranged at a water inlet needs to be replaced frequently, the wastewater treatment efficiency is delayed, meanwhile, the treatment effect of the existing aeration biological filter is poor, and the problem is solved by designing a biological printing and dyeing wastewater treatment device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a biological method printing and dyeing wastewater treatment device solves the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a biological process printing and dyeing effluent treatment plant, includes sand filter, just heavy pond, smart filtering pond, bological aerated filter, back flush pond and thoughtlessly congeals the pond, connect gradually through water pump device between sand filter, just heavy pond, smart filtering pond and the bological aerated filter, bological aerated filter includes the bological aerated filter, bological aerated filter bottom is provided with back flush inlet tube, back flush intake pipe and aeration pipe, bological aerated filter is from up being provided with cobble layer, haydite layer and activated carbon layer down, bological aerated filter one side is provided with the back flush drain pipe, back flush drain pipe connection back flush pond, bological aerated filter top is provided with normal drain pipe, normal drain pipe connection thoughtlessly congeals the pond.

Preferably, the water pump device comprises a high-pressure water pump and a water pipe, and the water pipe is installed on the high-pressure water pump.

Preferably, a plurality of mounting grooves are formed in the fine filter tank, and a fine filter net is arranged in each mounting groove.

Preferably, the backwashing air inlet pipe is provided with a backwashing air compressor, and the aeration pipe is provided with an aeration air compressor in an ascending manner.

Preferably, the wastewater in the backwashing water tank flows back to the primary sedimentation tank.

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

the utility model belongs to the technical field of waste water treatment equipment, specifically disclose a biological method printing and dyeing wastewater treatment device, the essence filtering ponds through setting can effectively prevent aeration biological filter equipment from blockking up, can not change the essence net under the condition of stop work simultaneously, guarantee waste water treatment efficiency, set up the activated carbon layer on aeration biological filter and further improve waste water treatment efficiency, the coagulation bath cooperation work of setting improves waste water purification quality more, the utility model discloses simple structure, convenient operation, the practicality is strong.

Drawings

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

in the figure: 1. a sand filter; 2. a primary sedimentation tank; 3. a fine filter; 4. an aerated biological filtration unit; 5. backwashing the water pool; 6. a coagulation tank; 7. a water pump device; 8. an aeration biological filter; 9. backwashing the water inlet pipe; 10. an air inlet pipe; 11. an aeration pipe; 12. a pebble layer; 13. a ceramic layer; 14. an activated carbon layer; 15. Backwashing the drain pipe; 16. an air compressor for back flushing; 17. a normal drain pipe; 18. an air compressor for aeration; 19. a high pressure water pump; 20. a water pipe; 21. mounting grooves; 22. and (5) fine filtering net.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 according to specific situations by those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: a biological printing and dyeing wastewater treatment device, which comprises a sand filter tank 1, a primary sedimentation tank 2, a fine filtration tank 3, an aeration biological filter device 4, a backwashing water tank 5 and a coagulation tank 6, the sand filter tank 1, the primary sedimentation tank 2, the fine filter tank 3 and the aeration biological filter device 4 are connected in sequence through a water pump device 7, the biological aerated filter device 4 comprises a biological aerated filter 8, the bottom end of the biological aerated filter 8 is provided with a back-washing water inlet pipe 9, a back-washing air inlet pipe 10 and an aeration pipe 11, the biological aerated filter 8 is provided with a pebble layer 12, a ceramsite layer 13 and an activated carbon layer 14 from bottom to top, a back flush drain pipe 15 is arranged on one side of the biological aerated filter 8, the back flush drain pipe 15 is connected with a back flush water tank 5, and a normal drain pipe 17 is arranged at the top end of the biological aerated filter 8, and the normal drain pipe 17 is connected with the coagulation tank 6.

Further, the water pump device 7 comprises a high-pressure water pump 19 and a water pipe 20, and the water pipe 20 is installed on the high-pressure water pump 19.

Further, a plurality of installation grooves 21 are arranged in the fine filter 3, and a fine filter net 22 is arranged in the installation grooves 21.

Further, a backwashing air compressor 16 is arranged on the backwashing air inlet pipe 10, and an aeration air compressor 18 is arranged on the aeration pipe 11 in an upward direction.

Further, the wastewater in the backwashing water tank 5 flows back to the primary sedimentation tank 2.

The working principle is as follows: the utility model relates to a biological printing and dyeing wastewater treatment device, during the use, waste water enters into the sand filter 1 for primary filtration, then waste water after primary filtration is pumped into the primary sedimentation tank 2 for sedimentation through the work of a high pressure water pump 19 in a water pump device 7, then upper layer waste water in the primary sedimentation tank 2 is pumped into a fine filter 3 through the high pressure water pump 19, fine impurities and suspended organic solids are filtered out through a fine filter 22 in the fine filter 3 and then enter into the biological aerated filter 8 from a backwashing water inlet pipe 9 through the water pump device 7, simultaneously air is filled into the biological aerated filter 8 from a backwashing air inlet pipe 9 through the work of an air compressor 16 for the biological aerated filter, simultaneously the air is filled into the biological aerated filter 8 from an aeration pipe 11 through an air compressor 18 for aeration, the pebble layer 12, the ceramsite layer 13 and the active carbon layer 14 in the biological aerated filter 8 are matched for fully purifying and filtering the waste water, the total backwashing wastewater in the purification process passes through a backwashing water discharge pipe 15 to perform backwashing in the water tank 5, flows back into the primary sedimentation tank 2 to perform secondary sedimentation and circulating filtration, is discharged through a normal water discharge pipe 17 to enter a coagulation tank 6, and is subjected to coagulation purification by adding a coagulant into the coagulation tank 6 to obtain treated water with higher water quality;

the utility model discloses the essence filtering pond that sets up can effectively prevent aeration biofiltration device from blockking up, can not change the essence net under the condition of stop work simultaneously, guarantees waste water treatment efficiency, and the activated carbon layer of setting on aeration biofilter further improves waste water treatment efficiency, and the coagulating basin cooperation work of setting improves waste water purification quality more, the utility model discloses simple structure, convenient operation, the practicality is strong.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A biological printing and dyeing wastewater treatment device is characterized in that: comprises a sand filter tank (1), a primary sedimentation tank (2), a fine filtration tank (3), a biological aerated filter device (4), a backwashing water tank (5) and a coagulation tank (6), wherein the sand filter tank (1), the primary sedimentation tank (2), the fine filtration tank (3) and the biological aerated filter device (4) are sequentially connected through a water pump device (7), the biological aerated filter device (4) comprises a biological aerated filter tank (8), a backwashing water inlet pipe (9), a backwashing air inlet pipe (10) and an aeration pipe (11) are arranged at the bottom end of the biological aerated filter tank (8), a pebble layer (12), a ceramsite layer (13) and an activated carbon layer (14) are arranged on the biological aerated filter tank (8) from bottom to top, a backwashing drain pipe (15) is arranged on one side of the biological aerated filter tank (8), and the backwashing drain pipe (15) is connected with the backwashing water tank (5), and a normal drain pipe (17) is arranged at the top end of the biological aerated filter (8), and the normal drain pipe (17) is connected with the coagulation tank (6).

2. The apparatus for treating waste water from textile printing by biological method according to claim 1, characterized in that: the water pump device (7) comprises a high-pressure water pump (19) and a water pipe (20), and the water pipe (20) is installed on the high-pressure water pump (19).

3. The apparatus for treating waste water from textile printing by biological method according to claim 1, characterized in that: a plurality of mounting grooves (21) are arranged in the fine filter (3), and a fine filter net (22) is arranged in each mounting groove (21).

4. The apparatus for treating waste water from textile printing by biological method according to claim 1, characterized in that: an air compressor (16) for backflushing is arranged on the backflushing air inlet pipe (10), and an air compressor (18) for aeration is arranged on the upward direction of the aeration pipe (11).

5. The apparatus for treating waste water from textile printing by biological method according to claim 1, characterized in that: and wastewater in the backwashing water tank (5) flows back to the primary sedimentation tank (2).