KR20010072521A - apparatus for recycling a slaughtered chicken processing water of a low temperature by a ultra filtration membrane - Google Patents

Abstract

PURPOSE: A system for recycling wastewater from chicken-butchering facility by employing ultrafiltration membrane is provided to reuse low temperature wastewater generated during the second washing operation of butchered chicken as process water in the first washing operation. In the chicken-butchering process a quantity of process water with low temperature is required to wash butchered chicken and prevent the propagation of bacteria as well, conventional process needs lots of electric power to prepare cooling water with low temperature. In this system such a problem is avoidable by recycling cooling water with low temperature through ultrafiltration membrane. CONSTITUTION: The system comprises a floatation tank(10) to which a pipe(1) supplying wastewater generated from the second washing operation of butchered chicken is connected, and where air comes out of wastewater in minute bubbles throughout the entire volume of liquid in contact with particulate matter; a filtration tank(20) which is connected to the floatation tank through a first conveying pipe(21) for receiving wastewater, and where a paper filter(22) is installed to remove particulate matter having a particle size of 50μm or more; a bag filter(30) which is connected to the filtration tank through a second conveying pipe(31) for receiving wastewater, and wherein particulate matter having a particle size of 20μm or more is removed; a microfilter(40) which is connected to the bag filter through a third conveying pipe(41) for receiving wastewater, and wherein particulate matter having a particle size of 5μm or more is removed; an ultrafiltration membrane(50) which is connected to the microfilter through a fourth conveying pipe(51) for receiving wastewater, and wherein wastewater including foreign materials such as organic matter, bacteria, coliform bacillus, etc. is filtrated as passing through ultrafiltration membrane; and a sterilizer(60) using ultraviolet rays which is connected to the ultrafiltration membrane through a fifth conveying pipe(61) for receiving wastewater so that bacilli remaining even after the sterilizing operation is eliminated. Final treated wastewater is introduced to the first washing process for reuse as process water.

Description

Apparatus for recycling a slaughtered chicken processing water of a low temperature by a ultra filtration membrane}

The present invention relates to a low-temperature meter process water recycling apparatus using an ultrafiltration membrane.

As shown in FIG. 1, a conventional shedding system, a disengagement process, a chicken hanger process (a process of hanging on a hanger for moving a chicken foot), an electric shock process, a blood bleeding process, a wetting process (a process of soaking in lukewarm water), and hair loss Process, chicken foot removal process, neck removal process, internal extraction process, carcase first water washing process (also in the first cooling process), carcase second water washing process (also in the second cooling process), air cooling process (cold air) It consists of the process of flowing and cooling), sorting process, packaging process and shipping process.

The conventional shedding system requires a large amount of process water, and the conductor primary washing process and the conductor secondary washing process simultaneously perform cooling of the chicken to prevent the purpose of washing and breeding of bacteria. It is costly, and its reuse can simultaneously reduce water costs, which account for about 30% of the total wastewater generated, and reduce the power costs required to produce large amounts of coolant.

Accordingly, an object of the present invention is to provide an apparatus for filtration of wastewater generated in a secondary conductor washing process of a conventional pottery system and recycling it into process water of a primary conductor washing process.

1 is a view for explaining a conventional system, and

2 is a view illustrating a low-temperature meter process water recycling apparatus using an ultrafiltration membrane according to the present invention.

In order to achieve the above object, the present invention is connected to the supply pipe for supplying the waste water generated in the carcase secondary water washing process of the shedding system, pressurizing and injuring the waste water, to remove the large particles of material in the waste water Flotation; A filtration tank connected to the first transfer pipe, one end of which is connected to the pressure levitation tank, to receive wastewater filtered by the pressure levitation tank, and to remove the solid material of 50 µm or more; A bag filter connected to a second transfer pipe having one end connected to a lower end of the filtration tank, receiving wastewater filtered through the filtration tank, and removing a solid material of 20 μm or more; A micro filter connected to a third transfer pipe having one end connected to the bag filter, and receiving wastewater filtered by the bag filter to remove solid materials having a thickness of 5 μm or more; An ultrafiltration membrane of a hollow fiber membrane type connected to a fourth transfer pipe having one end connected to the micro filter and receiving wastewater filtered by the microfilter to remove organic impurities, general bacteria, and E. coli in the wastewater; An ultraviolet sterilizer connected to a fifth transfer pipe having one end connected to the ultrafiltration membrane, and receiving wastewater filtered through the ultrafiltration membrane to sterilize general bacteria remaining in the wastewater; It is supposed to include a connecting pipe for supplying the waste water sterilized by the ultraviolet sterilizer as the process water to the primary water washing process.

Hereinafter, with reference to the accompanying drawings, an embodiment of a low-temperature meter process water recycling apparatus using an ultrafiltration membrane according to the present invention, as follows.

2 shows an embodiment of a low-temperature meter process water recycling apparatus using an ultrafiltration membrane according to the present invention.

As shown in Figure 2, the low-temperature meter process water recycling apparatus using the ultrafiltration membrane of the present embodiment is a pressurized flotation tank 10, a filtration tank 20 by a paper filter, a bag filter 30, a micro filter 40, The hollow fiber membrane type ultrafiltration membrane 50 and the ultraviolet sterilizer 60 are included as a whole.

The pressurized floatation tank (10) is connected to a supply pipe (1) for supplying the wastewater generated in the conductor second washing process of the not shown system, through the supply pipe (10) to the wastewater of the second washing process To be supplied. The pressurized floatation tank (10) is supplied with wastewater generated in the conductor secondary washing step, pressurized and injured to remove large particles of substance contained in the wastewater, that is, oil lumps and internal debris.

The wastewater supplied to the pressure flotation tank 10 contains chicken oil, and the chicken oil is solidified in the wastewater because the wastewater maintains a low temperature. The pressurization tank 10 also pressurizes and injures the chicken oil contained in the wastewater.

The pressure injured tank 10 is in communication with the filtration tank 20 by the paper filter through the first transfer pipe (21). Therefore, the filtration tank 20 by the paper filter receives the wastewater from which oil lumps, internal debris, chicken oil, etc. have been removed from the pressure flotation tank 10 through the first transfer pipe 21, and the pressure relief tank To remove solids larger than 50㎛ contained in the waste water which could not be removed by.

Here, the filtration tank 20 by the paper filter is equipped with a paper filter 22 at the upper end, the waste water supplied through the first transfer pipe 21 is placed on the paper filter 22, The wastewater filtered and filtered by the paper filter 22 is contained in the filtration tank 20.

One end of the paper filter 22 is fixed to the sea roll roller 23 disposed at the upper right side of the filtration tank 20, and the other end is the winding roller 24 disposed at the upper left side of the filtration tank 20. It is fixed at. Further, on the bottom of the paper filter 22, a pressure sensor (not shown) for measuring that the paper filter is pressed by a solid material of 50 µm or more of the wastewater accumulated on the paper filter 22 is disposed. When the pressure sensor senses a pressure equal to or greater than a predetermined pressure and displays the same on a display unit (not shown), the paper filter 22 wound on the paper roll roller 23 is unsealed, and at the same time, the paper filter unsealed by the winding roller 24 ( 22) When all of the paper filters 22 wound on the roll roller 23 are unwound, a new paper filter 22 is mounted on the roll roller 23, and the paper filter 22 wound on the winding roller 24 is wound. Detachable from the roller 24. The tip of the new paper filter 22 is connected to the take-up roller 24.

By the configuration of the paper filter 22 as described above, wastewater continuously supplied to the filtration tank 20 can be filtered.

One end of the second transfer pipe 31 is connected to the lower end of the filtration tank 20, and the other end of the second transfer pipe 31 is connected to one side of the bag filter 30. Therefore, the bag filter 30 communicates with the filtration tank 20 through the second transfer pipe 31.

The bag filter 30 receives wastewater from which the solid material of 50 μm or more is removed from the filtration tank 20 through the second transfer pipe 31 to remove the solid material of 20 μm or more.

One end of the third transfer pipe 41 is connected to the other side of the bag filter 30, and the other end of the third transfer pipe 41 is connected to one side of the micro filter 40. Therefore, the micro filter 40 communicates with the bag filter 30 through the third transfer pipe 41.

The micro filter 40 receives wastewater from which the solid material of 20 μm or more is removed from the bag filter 30 through the third transfer pipe 41 to remove the solid material of 5 μm or more.

One end of the fourth transfer pipe 51 is connected to the other side of the micro filter 40, and the other end of the fourth transfer pipe 51 is connected to one side of the ultrafiltration membrane 50. Therefore, the ultrafiltration membrane 50 communicates with the micro filter 40 through the fourth transfer pipe 51.

The ultrafiltration membrane 50 receives wastewater from which the solid material of 5 μm or more is removed from the micro filter 40 through the fourth transfer pipe 51 to remove organic impurities, general bacteria, and E. coli in the wastewater. do.

One end of the fifth transfer tube 61 is connected to the other side of the ultrafiltration membrane 50, and the other end of the fifth transfer tube 61 is connected to one side of the ultraviolet sterilizer 60. Therefore, the ultraviolet sterilizer 60 communicates with the ultrafiltration membrane 50 through the fifth transfer pipe 61.

The ultraviolet sterilizer 60 receives the wastewater from which the organic impurities, the common bacteria, the E. coli, and the like are removed from the ultrafiltration membrane 50 through the fifth transfer pipe 61, and the wastewater in the wastewater that has not been removed in the previous process is removed. Sterilize germs.

General germs are sterilized in the ultraviolet sterilizer 60 to supply the chicken washing water, which is the process water in the wastewater, to the first washing process of the carcass through a connecting tube (not shown).

The present invention configured as described above can be purified to the extent that the wastewater generated in the second car washing process can be re-supplied as process water to the first car washing process, so that process water can be saved, and the amount of waste water generated is reduced to reduce the waste water. The processing cost could be reduced, thus reducing the operating cost of the slaughter system.

Claims (2)

A pressurization tank (10) connected to a supply pipe (1) for supplying wastewater generated in the carcase secondary washing process of the shedding system, for pressurizing and injuring the wastewater to remove large particles of substance in the wastewater; Paper that is connected to the first transfer pipe 21, one end of which is connected to the pressure injured tank 10, receives wastewater filtered by the pressure injured tank 10, and removes the solid material of 50 μm or more. A filtration tank 20 by a filter; The bag filter 30 is connected to the second transfer pipe 31 having one end connected to the lower end of the filtration tank 20, and receives wastewater filtered through the filtration tank 20 to remove solid materials of 20 μm or more. ); The micro filter 40 is connected to the third transfer pipe 41, one end of which is connected to the bag filter 30, and receives the wastewater filtered by the bag filter 30 to remove solid materials of 5 μm or more. ); It is connected to the fourth transfer pipe 51, one end of which is connected to the micro filter 40, receives the waste water filtered by the micro filter 40, and removes organic impurities, general bacteria, and E. coli in the waste water. Ultrafiltration membrane type 50 of the hollow fiber membrane; UV sterilizer which is connected to the fifth transfer pipe 61 having one end connected to the ultrafiltration membrane 50, receives wastewater filtered through the ultrafiltration membrane 50, and sterilizes general bacteria remaining in the wastewater. 60); Low temperature process water recycling apparatus using an ultrafiltration membrane, characterized in that it comprises a connection pipe for supplying the waste water sterilized by the ultraviolet sterilizer (60) to the first washing process of the conductor as process water. The filtration tank 20 according to claim 1, wherein a paper filter 22 is mounted at an upper end of the filtration tank 20 by the paper filter, and one end of the paper filter 22 is disposed at an upper right side of the filtration tank 20. It is fixed to the roller 23, the other end is fixed to the take-up roller 24 disposed on the upper left of the filter tank 20, and the paper filter on the bottom of the paper filter 22, the paper filter ( 22) A low-temperature meter process water recycling apparatus using an ultrafiltration membrane, characterized in that a pressure sensor for measuring the pressure of the waste water accumulated on the wastewater accumulated by 50㎛ or more is disposed.