CN217398695U

CN217398695U - Treatment system for seawater waste liquid after aquatic product processing

Info

Publication number: CN217398695U
Application number: CN202220589164.2U
Authority: CN
Inventors: 饶丽灵
Original assignee: Guardgreen Beijing Environment Technology Co ltd
Current assignee: Guardgreen Beijing Environment Technology Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-09-09
Anticipated expiration: 2032-03-17

Abstract

The utility model relates to a treatment system of seawater waste liquid after processing aquatic products, which belongs to the technical field of waste water treatment systems, and the technical scheme comprises a cleaning tank, a pretreatment unit for filtering impurities insoluble in water in the waste water, a regulating tank, an integrated device I for treating soluble organic matters in the waste water and an integrated device II for deeply treating the waste water which are sequentially connected through a pipeline; a clean water tank is connected to the water outlet direction of the second integrated device through a pipeline; and the clean water tank is connected with a water outlet pipe. Through adopting above-mentioned technical scheme, can handle to waste water such as high salt, high ammonia, high nitrogen, make it reach three kinds of effluent standard of surface even three kinds of sea water, and this system investment is little, and the operation is convenient, and is with low costs, and the effect is stable.

Description

Treatment system for seawater waste liquid after aquatic product processing

Technical Field

The utility model belongs to the technical field of effluent disposal system, concretely relates to processing system of sea water waste liquid after aquatic products processing.

Background

Seaside fishing ports generally utilize seawater to directly wash and slaughter fish, a large amount of waste water can be generated in the process, the waste water contains a large amount of pollutants such as fish intestines, fish meat scraps, fish scales and the like, and meanwhile, the pollutants such as feed, metabolites and the like in the temporary rearing link are also included, and the larger ecological damage can be brought by directly discharging the fish into the river or discharging the sea. Therefore, waste water from fish washing, slaughtering, etc. in fishing ports must be treated. However, the raw water of the wastewater is seawater which is characterized by high salt, so the wastewater is essentially high-salt, low-carbon, high-protein, high-phosphorus and high-ammonia nitrogen wastewater, and the treatment difficulty is large.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the above-mentioned prior art, the utility model aims to provide a processing system of sea water waste liquid behind aquatic products processing can handle to waste water such as high salt, high ammonia, high nitrogen, makes it reach the effluent standard of three types of surface even sea water, and this system investment is little, and the operation is convenient, and is with low costs, and the effect is stable.

In order to realize the purpose of the utility model, the utility model provides a technical scheme as follows:

a treatment system for seawater waste liquid after aquatic product processing comprises a cleaning pool, a pretreatment unit for filtering impurities insoluble in water in waste water, a regulating pool, an integrated device I for treating soluble organic matters in the waste water and an integrated device II for deeply treating the waste water, which are sequentially connected through a pipeline; a clean water tank is connected to the water outlet direction of the second integrated device through a pipeline; the clean water tank is connected with a water outlet pipe.

Preferably, the pretreatment unit comprises a mechanical filter tank, an air flotation filter tank and an ultrafiltration filter tank which are sequentially connected through pipelines; the water inlet end of the mechanical filter tank is connected with the water outlet end of the cleaning tank through a pipeline, and the water outlet end of the ultrafiltration filter tank is connected with the water inlet end of the regulating tank through a pipeline.

Preferably, the integrated device comprises a hydrolysis acidification tank, an anoxic tank, a three-phase biological fluidized bed and a coagulation sedimentation tank which are sequentially connected through pipelines; the water inlet end of the hydrolysis acidification tank is connected with the water outlet end of the regulating tank through a pipeline; and the water outlet end of the coagulating sedimentation tank is connected with the water inlet end of the second integrated device through a pipeline.

Preferably, the integrated device II comprises a denitrification filter, a biological aeration filter and a chemical phosphorus removal filter which are sequentially connected through pipelines; and the water inlet end of the denitrification filter tank is connected with the water outlet end of the first integrated device through a pipeline, and the water outlet end of the chemical dephosphorization filter tank is connected with the water inlet end of the clean water tank through a pipeline.

Preferably, the water outlet end of the adjusting tank is provided with a primary return pipe, and the other end of the primary return pipe is connected with the water inlet end of the cleaning tank.

Preferably, a secondary return pipe is arranged at the water outlet end of the coagulating sedimentation tank, and the other end of the secondary return pipe is connected with the water inlet end of the cleaning tank.

Preferably, a third-stage return pipe is arranged at the water outlet end of the chemical phosphorus removal filter tank, and the other end of the third-stage return pipe is connected with the water inlet end of the first integrated device.

Preferably, a final stage return pipe is arranged on the clean water tank, and the other end of the final stage return pipe is connected with the water inlet end of the cleaning tank.

The utility model provides a processing system of sea water waste liquid behind aquatic products processing, through pretreatment unit, equalizing basin, integrated device one and integrated device two that set up, can handle to high salt, high ammonia, high nitrogen waste water, and make it reach the effluent standard of three types of ground table or even three types of sea water, and this system investment is little, and the operation is convenient, and is with low costs, and the effect is stable.

Drawings

FIG. 1 is a schematic structural view of a seawater waste liquid treatment system after aquatic product processing according to the present invention;

FIG. 2 is a schematic structural view of the reflux pipe added in the system for treating seawater waste liquid after processing aquatic products of the present invention;

reference numbers in the figures:

100. a pre-processing unit; 200. a first integration device; 300. a second integrated device; 400. a primary return pipe; 500. a secondary return pipe; 600. a tertiary return pipe; 700. and a final stage return pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Examples

The utility model provides a treatment system of seawater waste liquid after aquatic product processing, which is shown in a figure 1-a figure 2 and comprises a cleaning tank, a pretreatment unit 100 for filtering impurities insoluble in water in waste water, an adjusting tank, an integrated device I200 for treating soluble organic matters in the waste water and an integrated device II 300 for deeply treating the waste water which are sequentially connected through pipelines; a clean water tank is connected to the water outlet direction of the second integrated device 300 through a pipeline; the clean water tank is connected with a water outlet pipe. When the system is used, fishermen clean and slaughter fishes in the cleaning pool; waste water in the washing pond carries out preliminary treatment through pretreatment unit 100 to the impurity that is insoluble in water in the waste water, and the waste water after the processing enters into integrated device 200 behind the equalizing basin and carries out preliminary treatment, filters the organic matter of solubility in the waste water, and waste water after the preliminary treatment reaches one-level A standard, later gets into two 300 of integrated device and carries out advanced treatment, finally makes the play water reach III standards on earth's surface or III standards on sea water.

The cleaning pool is provided with a water inlet pipe, and the water supply of the water inlet pipe can be seawater or river water, and the like, but not limited to the above.

The pretreatment unit 100 comprises a mechanical filter tank, an air flotation filter tank and an ultrafiltration filter tank which are sequentially connected through pipelines; the water inlet end of the mechanical filter tank is connected with the water outlet end of the cleaning tank through a pipeline, and the water outlet end of the ultrafiltration filter tank is connected with the water inlet end of the regulating tank through a pipeline. Through the modes of filtering, air flotation, ultrafiltration or microfiltration, insoluble protein and other substances such as meat scraps, meat foam and the like can be removed completely, the content of substances in process sections such as rear-end fermentation and the like is reduced, compared with the traditional treatment mode, a large amount of organic matters are removed in front of the adjusting tank, secondary pollution such as a large amount of phosphorus, nitrogen and the like generated by fermentation during precipitation, residue and stay in the adjusting tank is avoided, and the organic matters can be removed more thoroughly through the added ultrafiltration filter tank. The possibility of secondary pollution such as fermentation of the adjusting tank is reduced to a greater extent.

An on-line monitoring and water quality adjusting system can be adopted in the adjusting tank, so that the water quality can be observed in real time, and chlorine can be added in time at the source according to the dissolving condition to keep the water quality clean.

The first integrated device 200 comprises a hydrolysis acidification tank, an anoxic tank, a three-phase biological fluidized bed and a coagulation sedimentation tank which are sequentially connected through pipelines. The water inlet end of the hydrolysis acidification tank is connected with the water outlet end of the regulating tank through a pipeline; the water outlet end of the coagulation sedimentation tank is connected with the water inlet end of the second integrated device 300 through a pipeline. The water-soluble organic matters in the wastewater can be preliminarily treated by the arranged hydrolysis acidification tank, the anoxic tank, the three-phase biological fluidized bed and the coagulation sedimentation tank, so that the effluent reaches the first-level A standard.

The second integrated device 300 comprises a denitrification filter, a biological aeration filter and a chemical phosphorus removal filter which are sequentially connected through pipelines; the water inlet end of the denitrification filter tank is connected with the water outlet end of the first integrated device 200 through a pipeline, and the water outlet end of the chemical dephosphorization filter tank is connected with the water inlet end of the clean water tank through a pipeline. The effluent is subjected to advanced treatment through the denitrification filter, the biological aeration filter and the chemical phosphorus removal filter, and the effluent after the advanced treatment reaches the earth surface III standard or the seawater III standard.

In some embodiments, the outlet end of the adjusting tank is provided with a primary return pipe 400, and the other end of the primary return pipe 400 is connected to the inlet end of the cleaning tank.

In some embodiments, the outlet end of the coagulation sedimentation tank is provided with a secondary return pipe 500, and the other end of the secondary return pipe 500 is connected with the inlet end of the cleaning tank.

In some embodiments, a final stage return pipe 700 is provided on the clean water tank, and the other end of the final stage return pipe 700 is connected to the water inlet end of the cleaning tank.

The effluent after each stage can be recycled by the aid of the arranged first-stage return pipe 400, the second-stage return pipe 500 and the last-stage return pipe 700, so that the utilization rate of water resources is improved, the wastewater treatment cost is reduced, and the environmental pollution is reduced.

The water outlet end of the chemical dephosphorization filter tank is provided with a three-stage return pipe 600, and the other end of the three-stage return pipe 600 is connected with the water inlet end of the first integrated device 200. The treated wastewater can be treated again by the arranged three-stage return pipe 600, so that the treatment effect of the wastewater is further improved.

The utility model provides a processing system of sea water waste liquid after aquatic products processing, concrete use is as follows:

fishermen wash seafood such as fish in a washing tank, the washed wastewater enters a pretreatment unit 100 through a pipeline for filtration, and in the pretreatment unit 100, the wastewater sequentially passes through a mechanical filter tank, an air flotation filter tank and an ultrafiltration filter tank, and in the process, organic matters insoluble in water in the wastewater are filtered and removed. The sewage after filtering enters into integrated device 200 behind the equalizing basin, and in integrated device 200, waste water passes through hydrolysis acidification pond, oxygen deficiency pond, three-phase biological fluidized bed and coagulating sedimentation tank in proper order, at this in-process, carries out preliminary treatment to soluble organic matter in the waste water for it reaches one-level A standard to go out the water. And after passing through the first integrated device 200, the wastewater enters the second integrated device 300 for deep filtration. In the second integrated device 300, the wastewater sequentially passes through the denitrification filter, the biological aeration filter and the chemical phosphorus removal filter, and finally the effluent reaches the ground surface III standard or the seawater III standard.

The utility model provides a processing system of sea water waste liquid behind aquatic products processing, through pretreatment unit 100, equalizing basin, integrated device 200 and the two 300 of integrated device that set up, can handle high salt, high ammonia, high nitrogen waste water, and make it reach the effluent standard of three types of ground table or even three types of sea water, and this system investment is little, and the operation is convenient, and is with low costs, and the effect is stable.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", 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," "second," and "third" 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 should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a connection 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 the case of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A treatment system for seawater waste liquid after aquatic product processing is characterized by comprising a cleaning pool, a pretreatment unit (100) for filtering impurities insoluble in water in waste water, a regulating pool, a first integrated device (200) for treating soluble organic matters in the waste water and a second integrated device (300) for deeply treating the waste water, wherein the cleaning pool, the pretreatment unit (100), the regulating pool and the first integrated device are sequentially connected through pipelines; a clean water tank is connected to the water outlet direction of the second integrated device (300) through a pipeline; the clean water tank is connected with a water outlet pipe.

2. The system for treating the seawater waste liquid after the aquatic product processing according to claim 1, wherein the pretreatment unit (100) comprises a mechanical filter tank, an air flotation filter tank and an ultrafiltration filter tank which are sequentially connected through a pipeline;

the water inlet end of the mechanical filter tank is connected with the water outlet end of the cleaning tank through a pipeline, and the water outlet end of the ultrafiltration filter tank is connected with the water inlet end of the regulating tank through a pipeline.

3. The system for treating the seawater waste liquid after the aquatic product processing according to claim 1, wherein the first integrated device (200) comprises a hydrolysis acidification tank, an anoxic tank, a three-phase biological fluidized bed and a coagulation sedimentation tank which are sequentially connected through a pipeline;

the water inlet end of the hydrolysis acidification tank is connected with the water outlet end of the regulating tank through a pipeline; and the water outlet end of the coagulating sedimentation tank is connected with the water inlet end of the second integrated device (300) through a pipeline.

4. The system for treating seawater waste liquid after aquatic product processing according to claim 1, wherein the second integrated device (300) comprises a denitrification filter, a biological aeration filter and a chemical phosphorus removal filter which are sequentially connected through a pipeline;

the water inlet end of the denitrification filter tank is connected with the first integrated device (200) through a pipeline, and the water outlet end of the chemical phosphorus removal filter tank is connected with the water inlet end of the clean water tank through a pipeline.

5. The system for treating the processed seawater waste liquid of the aquatic product as claimed in claim 1, wherein the outlet end of the adjusting tank is provided with a primary return pipe (400), and the other end of the primary return pipe (400) is connected with the inlet end of the cleaning tank.

6. The system for treating the processed seawater waste liquid of claim 3, wherein the outlet end of the coagulating sedimentation tank is provided with a secondary return pipe (500), and the other end of the secondary return pipe (500) is connected with the inlet end of the cleaning tank.

7. The system for treating the seawater waste liquid after the aquatic product processing according to claim 4, wherein a third-stage return pipe (600) is arranged at a water outlet end of the chemical phosphorus removal filter, and the other end of the third-stage return pipe (600) is connected with a water inlet end of the first integrated device (200).

8. The system for treating seawater waste liquid after aquatic product processing according to claim 1, wherein a final stage return pipe (700) is arranged at the water outlet end of the clean water tank, and the other end of the final stage return pipe (700) is connected with the water inlet end of the cleaning tank.