CN217265328U

CN217265328U - Printing and dyeing wastewater treatment system

Info

Publication number: CN217265328U
Application number: CN202220964731.8U
Authority: CN
Inventors: 诸杰; 金英强
Original assignee: Hangzhou Lantau Environmental Protection Technology Co ltd
Current assignee: Hangzhou Lantau Environmental Protection Technology Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-08-23
Anticipated expiration: 2032-04-25

Abstract

The utility model discloses a printing and dyeing wastewater treatment system, which comprises a wastewater tank, wherein a coagulation reaction tank is arranged on the right side of a cooling tower, a cooling water outlet pipe is fixedly connected between the outlet of the cooling tower and the coagulation reaction tank, a primary sedimentation tank is arranged on the front side of the coagulation reaction tank, an A/O (anoxic/oxic) tank is arranged on the left side of an IC (integrated circuit) tower, a Fenton advanced oxidation tank is arranged on the left side of the A/O tank, and a tertiary sedimentation tank is arranged on the left side of the Fenton advanced oxidation tank, and relates to the technical field of printing and dyeing wastewater treatment; this printing and dyeing wastewater treatment system gets into the IC tower through waste water and carries out anaerobic reaction, and the waste water after the processing passes through outlet pipe connection AO pond inlet tube, and waste water after physicochemical treatment and biochemical treatment lets in the fragrant advanced oxidation pond, and waste water gets into the fragrant advanced oxidation pond and handles the back, carries out mud-water separation at three heavy ponds, gets rid of the tiny suspended solid in the waste water through the microfiltration, further improves discharge water quality to reach the emission standard of sewage.

Description

Printing and dyeing wastewater treatment system

Technical Field

The utility model relates to a printing and dyeing wastewater treatment technical field specifically is a printing and dyeing wastewater treatment system.

Background

The dyeing wastewater has complex components, has the characteristics of high pollutant concentration, multiple types, high alkalinity, high chromaticity, great toxicity and the like, belongs to the types of industrial wastewater difficult to treat, and has the advantages of more complex components and more difficult treatment due to the appearance of a large number of chemical fiber products in the dyeing and finishing industry in China, the progress of dyeing and finishing technology and the application of new chemical additives along with the development of social economy and the improvement of scientific level.

The conventional treatment method mainly adopts physicochemical treatment, biochemical treatment and decolorant addition, COD and chroma are difficult to reach the standard through the treatment of the method, because the organic compounds which are difficult to degrade in the sewage are not easy to degrade by microorganisms, and along with the increasing serious environmental pollution, the national attention degree on environmental protection is higher and higher, the wastewater discharge standard is higher and higher, the treatment requirement on the printing and dyeing wastewater is further improved, the printing and dyeing wastewater is more difficult to treat, and the COD and the chroma are difficult to reach the standard

Therefore, the utility model provides a printing and dyeing wastewater treatment system to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a printing and dyeing wastewater treatment system, which solves the problems.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a printing and dyeing wastewater treatment system comprises a wastewater tank, wherein a grid machine is fixedly connected inside the wastewater tank, a regulating tank is arranged on the right side of the wastewater tank, a first lifting pump is fixedly connected to the top of the regulating tank, a first water inlet pipe is fixedly connected to the left side of the first lifting pump, a first water outlet pipe is fixedly connected to the right side of the first lifting pump, a cooling tower is arranged on the right side of the regulating tank, a first supporting leg is fixedly connected to the bottom of the cooling tower, a coagulation reaction tank is arranged on the right side of the cooling tower, a cooling water outlet pipe is fixedly connected between the outlet of the cooling tower and the coagulation reaction tank, a primary sedimentation tank is arranged on the front side of the coagulation reaction tank, a second lifting pump is fixedly connected to the top of the primary sedimentation tank, a second water inlet pipe is fixedly connected to the back of the second lifting pump, and a second water outlet pipe is fixedly connected to the front side of the second lifting pump, the front in the preliminary sedimentation pond is provided with the IC tower, the bottom fixedly connected with second supporting leg of IC tower, the left side of IC tower is provided with the AO pond, the left side in AO pond is provided with the advanced oxidation pond of fenton, the left side in the advanced oxidation pond of fenton is provided with three heavy ponds.

Preferably, the top of the first water outlet pipe is communicated with a water inlet of the cooling tower, the bottom of the first water inlet pipe is inserted into the regulating tank, the top outlet of the second water outlet pipe is communicated with an inlet of the IC tower, and the bottom of the second water inlet pipe is inserted into the primary sedimentation tank.

Preferably, communicating pipes are fixedly connected between the wastewater tank and the regulating tank, between the coagulation reaction tank and the primary sedimentation tank, between the A/O tank and the Fenton advanced oxidation tank, between the Fenton advanced oxidation tank and the tertiary sedimentation tank, and between the outlet of the IC tower and the A/O tank.

Preferably, the interior of the grating machine is provided with two gratings, namely a coarse grating and a fine grating, and the left side of the wastewater pool is directly connected with a wastewater discharge port.

Preferably, the adjusting tank can adjust the pH value of waste water, the inside of adjusting tank is provided with flocculation agent and coagulant aid input device, the inside of adjusting tank is provided with agitating unit.

Preferably, the A/O pool hydrolyzes starch, fiber, carbohydrate suspended pollutants and soluble organic matters in the wastewater into organic acid, so that macromolecular organic matters are decomposed into micromolecular organic matters, and insoluble organic matters are converted into soluble organic matters.

Preferably, the Fenton advanced oxidation pond generates a Fenton reaction inside, and the Fenton reaction can oxidize the organic compound into an inorganic state through a mixed solution of hydrogen peroxide and ferrous ions.

Preferably, the inlet of the cooling tower is positioned on the side surface of the cooling tower, the inlet of the IC tower is positioned at the top of the IC tower, and the three sedimentation tanks are communicated with the discharge pipe.

Advantageous effects

The utility model provides a printing and dyeing wastewater treatment system. Compared with the prior art, the method has the following beneficial effects:

(1) this printing and dyeing wastewater treatment system successively passes through the suspended solid matter in the grid machine separation waste water through workshop printing and dyeing waste water, gets into the equalizing basin and transports to the cooling tower in by first elevator pump and lower the temperature, later gets into the coagulation reaction pond and through adjusting pH value, throw the flocculating agent, the coagulant aid stirring reaction back, passes through solid-liquid separation at the primary sedimentation pond and handles, degrades harmful substance such as colourity, suspended solid, organic matter in the aquatic to can effectively adjust the biodegradability of waste water.

(2) This printing and dyeing wastewater treatment system carries out anaerobic reaction through waste water entering IC tower, and the waste water after the processing passes through outlet pipe connection AO pond inlet tube, and waste water after materialization processing and biochemical treatment lets in the fragrant advanced oxidation pond, and waste water gets into the fragrant advanced oxidation pond and handles the back, carries out mud-water separation at three heavy ponds, gets rid of the tiny suspended solid in the waste water through the microfiltration, further improves effluent quality to reach the emission standard of sewage.

Drawings

FIG. 1 is a perspective view of the external structure of the present invention;

fig. 2 is a rear perspective view of the present invention;

fig. 3 is a right side perspective view of the present invention;

fig. 4 is a top view of the present invention.

In the figure 1, a wastewater tank; 2. a grid machine; 3. a regulating tank; 4. a first water inlet pipe; 5. a first lift pump; 6. a first water outlet pipe; 7. a cooling tower; 8. a cooling water outlet pipe; 9. a coagulation reaction tank; 10. a primary sedimentation tank; 11. an IC tower; 12. a second water outlet pipe; 13. an A/O pool; 14. a Fenton advanced oxidation pond; 15. a three-sedimentation tank; 16. a communicating pipe; 17. a second lift pump; 18. a second water inlet pipe; 19. a second support leg; 20. a first support leg.

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.

The first embodiment is as follows:

referring to fig. 1-4, a printing and dyeing wastewater treatment system comprises a wastewater tank 1, a grid machine 2 is fixedly connected in the wastewater tank 1, two grids, namely a coarse grid and a fine grid, are arranged in the grid machine 2, the left side of the wastewater tank 1 is directly connected with a wastewater discharge port, an adjusting tank 3 is arranged on the right side of the wastewater tank 1, a first lift pump 5 is fixedly connected to the top of the adjusting tank 3, an inlet of a cooling tower 7 is positioned on the side surface of the cooling tower 7, an inlet of an IC tower 11 is positioned on the top of the IC tower 11, a tertiary sedimentation tank 15 is communicated with a discharge pipe, a first water inlet pipe 4 is fixedly connected to the left side of the first lift pump 5, a first water outlet pipe 6 is fixedly connected to the right side of the first lift pump 5, a part is arranged between the wastewater tank 1 and the adjusting tank 3, a coagulation reaction tank 9 and a primary sedimentation tank 10, an A/O tank 13 and a fenton advanced oxidation tank 14, a fenton advanced oxidation tank 14 and a tertiary sedimentation tank 15, The outlet of the IC tower 11 and the A/O pool 13 are fixedly connected with communicating pipes 16, the A/O pool 13 hydrolyzes starch, fiber, carbohydrate suspended pollutant and soluble organic matter in the wastewater into organic acid, so that macromolecular organic matter is decomposed into micromolecular organic matter, insoluble organic matter is converted into soluble organic matter, the right side of the regulating pool 3 is provided with a cooling tower 7, the bottom of the cooling tower 7 is fixedly connected with a first supporting leg 20, the right side of the cooling tower 7 is provided with a coagulation reaction pool 9, a cooling water outlet pipe 8 is fixedly connected between the outlet of the cooling tower 7 and the coagulation reaction pool 9, the front side of the coagulation reaction pool 9 is provided with a primary sedimentation pool 10, the top of the primary sedimentation pool 10 is fixedly connected with a second lift pump 17, the back of the second lift pump 17 is fixedly connected with a second water inlet pipe 18, and the front side of the second lift pump 17 is fixedly connected with a second water outlet pipe 12, the front of the primary sedimentation tank 10 is provided with an IC tower 11, the bottom of the IC tower 11 is fixedly connected with a second supporting leg 19, the left side of the IC tower 11 is provided with an A/O tank 13, the left side of the A/O tank 13 is provided with a Fenton advanced oxidation tank 14, and the left side of the Fenton advanced oxidation tank 14 is provided with a tertiary sedimentation tank 15.

Example two:

referring to fig. 1 to 4, the present embodiment provides a technical solution based on the first embodiment: a printing and dyeing wastewater treatment system comprises a wastewater tank 1, a grid machine 2 is fixedly connected inside the wastewater tank 1, a regulating tank 3 is arranged on the right side of the wastewater tank 1, the regulating tank 3 can regulate the PH value of wastewater, a flocculant and coagulant aid feeding device is arranged inside the regulating tank 3, a stirring device is arranged inside the regulating tank 3, a first lift pump 5 is fixedly connected to the top of the regulating tank 3, a first water inlet pipe 4 is fixedly connected to the left side of the first lift pump 5, the top of the first water outlet pipe 6 is communicated with a water inlet of a cooling tower 7, the bottom of the first water inlet pipe 4 is inserted into the regulating tank 3, the top outlet of a second water outlet pipe 12 is communicated with an inlet of an IC tower 11, the bottom of the second water inlet pipe 18 is inserted into a primary sedimentation tank 10, a first water outlet pipe 6 is fixedly connected to the right side of the first lift pump 5, a cooling tower 7 is arranged on the right side of the regulating tank 3, a first supporting leg 20 is fixedly connected to the bottom of the cooling tower 7, a coagulation reaction tank 9 is arranged on the right side of the cooling tower 7, a cooling water outlet pipe 8 is fixedly connected between the outlet of the cooling tower 7 and the coagulation reaction tank 9, a primary sedimentation tank 10 is arranged on the front side of the coagulation reaction tank 9, a fenton reaction occurs in the fenton advanced oxidation tank 14, the organic compound can be oxidized into an inorganic state through a mixed solution of hydrogen peroxide and ferrous ions in the fenton reaction, a second lift pump 17 is fixedly connected to the top of the primary sedimentation tank 10, a second water inlet pipe 18 is fixedly connected to the back of the second lift pump 17, a second water outlet pipe 12 is fixedly connected to the front side of the second lift pump 17, an IC tower 11 is arranged on the front side of the primary sedimentation tank 10, a second supporting leg 19 is fixedly connected to the bottom of the IC tower 11, an A/O tank 13 is arranged on the left side of the IC tower 11, a fenton advanced oxidation tank 14 is arranged on the left side of the A/O tank 13, the left side of the Fenton advanced oxidation pond 14 is provided with a three-sedimentation pond 15.

And those not described in detail in this specification are well within the skill of those in the art.

During work, suspended solid matters in workshop printing and dyeing wastewater are separated by a grating machine 2, the separated wastewater enters an adjusting tank 3 and is conveyed into a cooling tower 7 by a first lifting pump 5 for cooling, then enters a coagulation reaction tank 9 for adjusting the pH value, is added with a flocculating agent and a coagulant aid for stirring reaction, then is subjected to solid-liquid separation treatment in a primary sedimentation tank 10 to degrade the chroma, suspended matters, organic matters and other harmful substances in the wastewater and adjust the biodegradability of the wastewater, and is conveyed into an IC tower 11 by a second lifting pump 17 for anaerobic reaction, the treated wastewater is connected with an A/O13 tank water inlet pipe by a water outlet pipe, the wastewater after physicochemical treatment and biochemical treatment is introduced into a Fenton advanced oxidation tank 14, the wastewater enters the Fenton advanced oxidation tank 14 for treatment, is subjected to mud-water separation in a tertiary sedimentation tank 15, fine suspended matters in the wastewater are removed by precise filtration, and the water quality of discharged water is further improved, thereby reach discharge standard, the mud that produces by this system all can discharge into the mud thickener and concentrate to improve mud solid content rate, the mud after the regulation is by the dehydration of high-pressure plate and frame filter press.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a printing and dyeing wastewater treatment system, includes wastewater disposal basin (1), its characterized in that: the waste water treatment device is characterized in that a grid machine (2) is fixedly connected inside the waste water tank (1), an adjusting tank (3) is arranged on the right side of the waste water tank (1), a first lifting pump (5) is fixedly connected to the top of the adjusting tank (3), a first water inlet pipe (4) is fixedly connected to the left side of the first lifting pump (5), a first water outlet pipe (6) is fixedly connected to the right side of the first lifting pump (5), a cooling tower (7) is arranged on the right side of the adjusting tank (3), a first supporting leg (20) is fixedly connected to the bottom of the cooling tower (7), a coagulation reaction tank (9) is arranged on the right side of the cooling tower (7), a cooling water outlet pipe (8) is fixedly connected between the outlet of the cooling tower (7) and the coagulation reaction tank (9), a primary sedimentation tank (10) is arranged on the front side of the coagulation reaction tank (9), a second lifting pump (17) is fixedly connected to the top of the primary sedimentation tank (10), the back fixedly connected with second inlet tube (18) of second elevator pump (17), the positive fixedly connected with second outlet pipe (12) of second elevator pump (17), the front in preliminary sedimentation pond (10) is provided with IC tower (11), the bottom fixedly connected with second supporting leg (19) of IC tower (11), the left side of IC tower (11) is provided with AO pond (13), the left side in AO pond (13) is provided with the advanced oxidation pond of fenton (14), the left side in the advanced oxidation pond of fenton (14) is provided with three heavy ponds (15).

2. The printing and dyeing wastewater treatment system according to claim 1, characterized in that: the top of the first water outlet pipe (6) is communicated with a water inlet of the cooling tower (7), the bottom of the first water inlet pipe (4) is inserted into the regulating tank (3), the top outlet of the second water outlet pipe (12) is communicated with an inlet of the IC tower (11), and the bottom of the second water inlet pipe (18) is inserted into the primary sedimentation tank (10).

3. The printing and dyeing wastewater treatment system according to claim 1, characterized in that: communicating pipes (16) are fixedly connected between the wastewater pool (1) and the regulating pool (3), between the coagulation reaction pool (9) and the primary sedimentation pool (10), between the A/O pool (13) and the Fenton advanced oxidation pool (14), between the Fenton advanced oxidation pool (14) and the tertiary sedimentation pool (15), and between the outlet of the IC tower (11) and the A/O pool (13).

4. The printing and dyeing wastewater treatment system according to claim 1, characterized in that: the waste water treatment device is characterized in that two gratings, namely a coarse grating and a fine grating are arranged inside the grating machine (2), and the left side of the waste water tank (1) is directly connected with a waste water discharge port.

5. The printing and dyeing wastewater treatment system according to claim 1, characterized in that: the PH value of waste water can be adjusted in equalizing basin (3), the inside of equalizing basin (3) is provided with flocculation agent and coagulant aid input device, the inside of equalizing basin (3) is provided with agitating unit.

6. The printing and dyeing wastewater treatment system according to claim 1, characterized in that: the A/O pool (13) hydrolyzes starch, fiber, carbohydrate suspension pollutants and soluble organic matters in the wastewater into organic acid, so that macromolecular organic matters are decomposed into micromolecular organic matters, and insoluble organic matters are converted into soluble organic matters.

7. The printing and dyeing wastewater treatment system according to claim 1, characterized in that: the Fenton advanced oxidation pond (14) internally generates a Fenton reaction, and the Fenton reaction can oxidize organic compounds into inorganic states through a mixed solution of hydrogen peroxide and ferrous ions.

8. The printing and dyeing wastewater treatment system according to claim 1, characterized in that: the inlet of the cooling tower (7) is positioned on the side surface of the cooling tower (7), the inlet of the IC tower (11) is positioned on the top of the IC tower (11), and the three-precipitation tank (15) is communicated with a discharge pipe.