CN213623750U - Textile sewage treatment system - Google Patents

Textile sewage treatment system Download PDF

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Publication number
CN213623750U
CN213623750U CN202022449500.7U CN202022449500U CN213623750U CN 213623750 U CN213623750 U CN 213623750U CN 202022449500 U CN202022449500 U CN 202022449500U CN 213623750 U CN213623750 U CN 213623750U
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China
Prior art keywords
tank
sewage
sludge
facultative
aerobic
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CN202022449500.7U
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Chinese (zh)
Inventor
贝鲁斯科尼·马尼亚达尼罗
殷建伟
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Yaxi Textile Finishing Jiaxing Co ltd
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Yaxi Textile Finishing Jiaxing Co ltd
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Abstract

A textile sewage treatment system. The method is characterized in that: the sewage pretreatment device, the facultative tank, the first good oxygen nitrification tank, the second good oxygen nitrification tank, the secondary sedimentation tank and the sludge treatment device, wherein the secondary sedimentation tank is connected with the first good oxygen nitrification tank through a sewage backflow pipe, and the sludge tank is connected with the facultative tank through a sewage backflow pipe. The advantages are that: two sets of aerobic nitrification tanks are arranged to respectively realize sewage purification with different concentrations, further improve the purification effect, effectively treat textile sewage, save energy and protect environment; the secondary sedimentation tank and the sludge tank are both connected with a sewage return pipe, so that sewage return is realized, and the purification treatment quality is further ensured.

Description

Textile sewage treatment system
Technical Field
The utility model relates to a sewage treatment system, concretely relates to weaving sewage treatment system.
Background
During the spinning process, a large amount of sewage is generated, and the main pollutants in the sewage are water-insoluble grease, jelly, fine suspended particles, chemical slurry and the like. If the sewage is directly discharged without treatment, the environment can be damaged irreversibly.
Therefore, the comprehensive treatment of the textile sewage is necessary to ensure
The prior textile dyeing sewage treatment system mostly adopts a comprehensive treatment process, and all sewage in the dyeing and finishing process is gathered and then treated uniformly, so that the equipment investment and maintenance cost are high, the wastewater treatment efficiency is low, and the discharge standard reaching condition is unstable.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the background art, the utility model provides a textile sewage treatment system.
The utility model discloses the technical scheme who adopts: a textile sewage treatment system comprises
The sewage pretreatment device comprises a grating tank, an adjusting tank and a coagulating sedimentation tank which are arranged in sequence and is used for carrying out primary treatment on the textile sewage;
the facultative tank is connected with the coagulating sedimentation tank and is used for treating sewage in a facultative environment;
the first aerobic nitrification tank is connected with the facultative tank and is used for treating high-concentration sewage in an aerobic environment;
the second aerobic nitrification tank is connected with the first aerobic nitrification tank and is used for treating low-concentration sewage in an aerobic environment;
the secondary sedimentation tank is connected with the second aerobic nitrification tank and is used for settling the treated sewage, and the secondary sedimentation tank is connected with the first aerobic nitrification tank through a sewage return pipe and is used for returning the sewage;
the sludge treatment device comprises a sludge tank and a plate-and-frame filter press which are sequentially connected, wherein the sludge tank is connected with a coagulation sedimentation tank, a facultative tank and a secondary sedimentation tank through a sludge collecting pipe and is used for collecting and treating sludge, and the sludge tank is connected with the facultative tank through a sewage backflow pipe and is used for returning sewage.
The second aerobic nitrification tank is communicated with a nitrification liquid return pipe, and the nitrification liquid return pipe is connected with the facultative tank and used for returning nitrification liquid.
The sewage pretreatment device further comprises a water collecting tank, wherein the water collecting tank is connected with the grid tank and the adjusting tank, and is further connected with the sludge treatment device.
The utility model has the advantages that: by adopting the scheme, two groups of aerobic nitrification tanks are arranged to respectively realize sewage purification with different concentrations, so that the purification effect is further improved, textile sewage is effectively treated, and the energy is saved and the environment is protected; the secondary sedimentation tank and the sludge tank are both connected with a sewage return pipe, so that sewage return is realized, and the purification treatment quality is further ensured.
Drawings
FIG. 1 is a block diagram showing the structure of a textile sewage treatment system according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be further explained with reference to the accompanying drawings:
as shown in the figure, the textile sewage treatment system comprises a sewage pretreatment device, a facultative tank, a first aerobic nitrification tank, a second aerobic nitrification tank, a secondary sedimentation tank and a sludge treatment device.
The sewage pretreatment device is used for carrying out preliminary treatment on textile sewage and comprises a grid pool, a water collecting well, an adjusting pool and a coagulating sedimentation pool which are sequentially arranged. The water outlet pipe of grid pond and workshop waste water is connected for detach floater and suspended solid in the workshop waste water, the sump pit is connected with the grid pond, is used for collecting the workshop waste water of each way, realizes unified processing, and the equalizing basin is connected with the sump pit, is used for adjusting PH and quality of water in the workshop waste water, and the coagulating sedimentation pond is connected with the equalizing basin, is used for coagulating sedimentation.
The workshop wastewater is subjected to primary pretreatment by a grating, water collection, water quality regulation and coagulating sedimentation in sequence.
The facultative tank is connected with the coagulating sedimentation tank, and the workshop waste water firstly enters into the facultative tank after preliminary pretreatment, and the facultative tank is the sewage purification pond that has anaerobism microorganism and aerobic microorganism concurrently, and the effect of organic matter in full play facultative microorganism elimination anhydrous realizes that sewage purifies tentatively.
The first aerobic nitrification tank is connected with the facultative tank, the second aerobic nitrification tank is connected with the first aerobic nitrification tank, and the first aerobic nitrification tank and the second aerobic nitrification tank utilize aerobic microorganisms to further purify sewage.
The sewage pollutant concentration in the first aerobic nitrification tank is higher, so that the microbial population which is enriched by the activated sludge in the first aerobic nitrification tank and is suitable for the degradation of pollutants with higher concentration is more, the treated sewage enters the second aerobic nitrification tank after being treated by the first aerobic nitrification tank, the sewage pollutant concentration is lower, so that the microbial population which is enriched by the activated sludge in the second aerobic nitrification tank and is suitable for the degradation of pollutants with lower concentration is more, through arranging the two aerobic nitrification tanks and according to different microbial community structures of the tongue part of the pollutant concentration, the two aerobic nitrification tanks are mutually combined, the treatment and purification effect is better, and the efficiency is better.
The second aerobic nitrification tank is communicated with a nitrification liquid return pipe, and the nitrification liquid return pipe is connected with the facultative tank and used for returning nitrification liquid, so that redundant nitrification liquid can be returned to the facultative tank, the utilization rate of the nitrification liquid is further improved, and the cost is reduced.
The secondary sedimentation tank is connected with the second aerobic nitrification tank, sewage flows into the secondary sedimentation tank for sedimentation after being subjected to purification treatment in the facultative tank, the first aerobic nitrification tank and the second aerobic nitrification tank in sequence, supernatant in the secondary sedimentation tank is discharged into the discharge tank after being subjected to filtration treatment, and water in the discharge tank can be directly discharged or recycled, so that water resources are saved.
Sludge treatment equipment includes sludge impoundment, plate and frame filter press, the sludge impoundment passes through sludge pump, sludge collecting pipe and coagulative precipitation pond, two sink ponds, facultative tank and is connected, can deposit the mud that produces in coagulative precipitation pond, two sink ponds, the facultative tank and initiatively inhale the sludge impoundment, the sludge impoundment is connected with plate and frame filter press, carries out the filter-pressing through plate and frame filter press to mud and handles, and the mud after the filter-pressing forms general industry and gives off useless admittedly.
The sludge pond and the plate-and-frame filter press are connected with the water collecting well, supernatant liquid generated in the sludge pond and filtrate generated by the plate-and-frame filter press can be sent into the water collecting well again, and the supernatant liquid and the filtrate are returned to the sewage pretreatment device and are concentrated together with workshop wastewater to be treated again.
In addition, a sewage return pipe is connected to the secondary sedimentation tank and connected to the first aerobic nitrification tank, and sewage in the secondary sedimentation tank can return to the first aerobic nitrification tank for further purification treatment.
Similarly, a sewage return pipe is connected to the sludge tank, the sewage return pipe is connected to the facultative tank, and sewage in the sludge tank can return to the facultative tank for further purification treatment.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, 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," "connected," and "connected" are to be construed broadly, and may be, for example, 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. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The skilled person should understand that: although the present invention has been described in accordance with the above embodiments, the inventive concept is not limited to this embodiment, and any modification of the inventive concept will be included in the scope of the patent claims.

Claims (3)

1. The utility model provides a weaving sewage treatment system which characterized in that: comprises that
The sewage pretreatment device comprises a grating tank, an adjusting tank and a coagulating sedimentation tank which are arranged in sequence and is used for carrying out primary treatment on the textile sewage;
the facultative tank is connected with the coagulating sedimentation tank and is used for treating sewage in a facultative environment;
the first aerobic nitrification tank is connected with the facultative tank and is used for treating high-concentration sewage in an aerobic environment;
the second aerobic nitrification tank is connected with the first aerobic nitrification tank and is used for treating low-concentration sewage in an aerobic environment;
the secondary sedimentation tank is connected with the second aerobic nitrification tank and is used for settling the treated sewage, and the secondary sedimentation tank is connected with the first aerobic nitrification tank through a sewage return pipe and is used for returning the sewage;
the sludge treatment device comprises a sludge tank and a plate-and-frame filter press which are sequentially connected, wherein the sludge tank is connected with a coagulation sedimentation tank, a facultative tank and a secondary sedimentation tank through a sludge collecting pipe and is used for collecting and treating sludge, and the sludge tank is connected with the facultative tank through a sewage backflow pipe and is used for returning sewage.
2. The textile wastewater treatment system of claim 1, wherein: the second aerobic nitrification tank is communicated with a nitrification liquid return pipe, and the nitrification liquid return pipe is connected with the facultative tank and used for returning nitrification liquid.
3. The textile wastewater treatment system of claim 1, wherein: the sewage pretreatment device further comprises a water collecting tank, wherein the water collecting tank is connected with the grid tank and the adjusting tank, and is further connected with the sludge treatment device.
CN202022449500.7U 2020-10-29 2020-10-29 Textile sewage treatment system Active CN213623750U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022449500.7U CN213623750U (en) 2020-10-29 2020-10-29 Textile sewage treatment system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022449500.7U CN213623750U (en) 2020-10-29 2020-10-29 Textile sewage treatment system

Publications (1)

Publication Number Publication Date
CN213623750U true CN213623750U (en) 2021-07-06

Family

ID=76625676

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022449500.7U Active CN213623750U (en) 2020-10-29 2020-10-29 Textile sewage treatment system

Country Status (1)

Country Link
CN (1) CN213623750U (en)

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