KR950005421B1 - Apparatus and method for waste water treatment - Google Patents

Abstract

The small-scale waste water such as domestic kitchen slop, sewage from the commercial construction or the restaurant and industrial waste water from the hospital was treated by pulverizing the floating matter, by screening the pulverized sludge with the non-woven fabric. The pretreated water was filtrated with the carbon filter and 1-3μm microfilter and then sterilized under the UV before discharging to sewer system.

Description

Wastewater Treatment Method and Apparatus

1 is a general diagram showing the wastewater treatment process of the present invention.

2 is a sectional front view of the primary treated water tank of the present invention.

3 is a sectional front view of the secondary treated water tank of the present invention.

4 is a cross-sectional view taken along the line A-A of FIG.

5 is a cross-sectional view showing a sterilized water tank of the present invention.

* Explanation of symbols for main parts of the drawings

10: supply line 11, 12, 13, 14: connection line

15: drainage line 16: storage tank

17: watering tank 18: pre-treatment water tank

20: driving roller 21: bag

30: primary treatment water tank 310: upper body

312: Sprinkler 320: the middle body

323 floor 324 through-hole

330: lower body 40: secondary treatment tank

410: cover 420: body

422 bottom 423 fastening rod

424: through hole 430: filter combination

431: upper frame 432: lower frame

440: passage 50: sterile water tank

P1: Pump P2: Circulation Pump

RF: Non-woven Fabric HT: Electric Heater

CA: Carbon Filter MF: Micro Filter

UV: UV Lamp

The present invention relates to a wastewater treatment method and apparatus for purifying small-scale wastewater, that is, industrial wastewater in a sewage / hospital in a residential building, a commercial building, a restaurant, and the like, and discharged to the sewer.

Conventionally, toxic detergents, such as household sewage at home, have been discharged into sewerage, causing pollution, and commercial buildings and restaurants have not been equipped with special wastewater treatment facilities.

In addition, as the blood and pus generated during treatment in small hospitals such as ophthalmology, dentistry, urology, etc. are discarded as sewerage, not only the water pollution but also various pathogens contained in the geology are introduced into the sewerage, which poses a great risk of public health. Was implicated.

The present invention has been made in view of the above point, and the object of the present invention is to prevent water pollution at the source by primarily purifying wastewater discarded from buildings of the city to be discarded as sewers.

Another object of the present invention is to provide a small wastewater treatment apparatus to be used in homes, commercial buildings, restaurants, small hospitals, and the like.

It is still another object of the present invention to use a carbon filter and a micro filter, which are already commercialized and used to purify water in a bottled water plant or a beverage manufacturing plant, for wastewater purification, thereby making it easy to replace the wastewater treatment method and apparatus. In providing.

Still another object of the present invention is to provide a wastewater treatment method and apparatus in which the sludge in the wastewater is separately collected and removed so that the sewerage is not blocked.

It is still another object of the present invention to provide a wastewater treatment method and apparatus for discharging various bacteria contained in wastewater to be discharged into sewage.

One feature of the present invention for achieving the above object is a pulverization zone for pulverizing sludge, such as waste water and contaminants, a pre-treatment water zone for filtering crushed sludge with a non-woven fabric, colorless, odorless pretreatment water The primary treated water zone equipped with a carbon filter to be treated, the secondary treated water zone equipped with a micro filter for treating particles of the primary treated water to 1-3 μm, and the bacteria contained in the secondary treated water by ultraviolet rays. Wastewater treatment method to be discharged to the sewage through the sterilized water to remove.

Another feature of the present invention is to pump the sludge of the wastewater introduced into the storage tank through the supply line and pump it to the watering tank, and the non-woven fabric known as roll shape to be horizontally moved to one side by a driving roller to be put in the bag A pretreatment means for sending the pretreated water to the pretreated water tank by filtering sludge in the wastewater to be discharged from the nonwoven fabric from the watering tank, a primary treated water tank having a built-in carbon filter and a sprinkler disposed thereon; , Circulating pump provided on the connection line connecting the pre-treatment tank and the sprinkler, the secondary treatment water tank connected to the primary treatment tank and the connection line and built-in micro filter, and the secondary treatment tank Waste water consisting of a sterilized water tank connected by a line and provided with an ultraviolet lamp, and a drainage line for draining the sterilized water from the sterilized water tank to the sewer. In the Physical Unit.

Another feature of the present invention, the primary treatment water tank is the upper body and the carbon filter loaded with carbon in the non-woven fabric case, the intermediate body with a perforated hole in the bottom and the connection line is formed It is separated into the body and is located in the combined degree wastewater treatment system.

Another feature of the present invention is that the micro filter is a wastewater treatment apparatus which is a filter combination arranged radially fixed between the upper frame and the lower frame.

Another feature of the present invention, the secondary treatment water tank has a body of the upper cover, the upper connection line and the lower connection line, a fastening rod is installed in the center of the bottom of the body fixed to the filter assembly The wastewater treatment apparatus provided in the bottom has a through hole corresponding to the passage of each micro filter.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First, the wastewater treatment method of the present invention, the waste water is finely crushed sludge (food scraps, contaminants, suspended matter) with a rotating impeller and the crushing zone for transporting it to the watering tank, and spread on the nonwoven fabric to move horizontally Pretreatment of the pretreatment water tank with a primary treatment water tank having a carbon filter, and a pretreatment water zone for sending sludge to the wastewater from the watering tank and filtering the filtered deposit to the pretreatment tank. 2 to treat the particles within 1-3㎛ range by supplying the primary treated water to a primary treated water zone for pumping water into a circulating pump and colorless and odorless, and a secondary treated water tank with a built-in micro filter. Through the secondary treatment water zone and the sterilization tank equipped with ultraviolet lamps, the second treatment water is supplied to the sterilization treatment zone to be discharged into the sewerage with the final sterilization water. The. In addition, the sludge filtered on the nonwoven fabric that is moved in the pretreatment water zone is to be put in a separate bag together with the nonwoven fabric, and at this time, the weight of the nonwoven fabric that is dried by using a heat transfer heater or the like in the waste water is reduced.

According to the treatment method, the waste water discarded into the sewerage is sterile, colorless, and odorless, and the sludge is removed, thereby preventing contamination of the water to the maximum.

Referring to the apparatus of the present invention for performing the treatment method as follows.

As shown in FIG. 1, a supply line 10 into which wastewater is introduced, a storage tank 16 for primary storage of wastewater from the supply line 10, and a wastewater from the storage tank 16 are connected to a line 11 The pump (P1) on which the impeller (PAN), which is pumped into the water spray tank (17) and crushed the sludge, and the nonwoven fabric (RF) rolled in a roll shape are horizontally moved to the driving roller (20) on one side. To be contained in the bag 21, to filter the sludge in the waste water to be sprayed by the non-woven fabric (RF) that is moved from the watering tank 17, the pretreated water filtered in this way to the pretreatment water tank (18) The primary treatment water tank (30), the primary treatment water tank (30) and the pretreatment water tank (18) in which the preliminary treatment means, the lower carbon filter (CA) and the upper water sprinkler (312) are built, Circulation pump (P2) disposed on the connecting line 12 for connecting, and the micro filter (MF) is built-in secondary treatment connected to the primary treatment water tank 30 by the connecting line (13) Sterilization water of the tank 40, the sterilization water tank 50, and the sterilization water tank 50, the UV lamp (UV) is built-in and connected to the secondary treatment water tank 40 by the connection line (14) It consists of a drainage line 15 to discharge the sewer. The non-woven fabric (RF) for moving the pretreatment means and filtering the sludge of the wastewater has a heat transfer heater (HT) for drying the wet nonwoven fabric before being contained in the bag 21 under the nonwoven fabric near the driving roller 20. It is deployed. The primary treatment water tank 30 is a water dispenser 312 is connected to the connection line 12, the upper body 310 and the carbon filter (CA) loaded with carbon in the nonwoven fabric case 325 is housed The bottom body 323 consists of an intermediate body 320 in which numerous through holes 324 are perforated, and a lower body 330 in which a connection line 13 is connected to the bottom, and a flange 311 at the bottom of the upper body 310. ), The upper and lower flanges 321 and 322 of the intermediate body 320 and the flange 331 of the upper end of the lower body 330 are bolted to each other by correspondingly. The carbon filter CA, which is pressurized inside the intermediate body 320, is stored in a predetermined height from the bottom 323, and a very small amount of sludge contained in the pretreated water supplied to the upper space may be accumulated. The space 326 is provided.

When the primary treatment water tank 30 is separated and formed as described above, when the carbon filter CA is replaced, the upper and lower bodies 310 and 330 are respectively fixed to a separate structure, and the upper portion of the intermediate body 320 is removed. The lower flanges 321 and 322 are separated from the flanges 311 and 331 of the upper and lower bodies 310 and 330 coupled thereto, and then only the intermediate body 320 is moved horizontally to remove the middle. Only the body 320 is moved in the horizontal direction, and then only the carbon filter (CA) in the intermediate body 320 is replaced in the reverse order when replacing and separating again connected to the main body upper and lower body 310, 330, respectively The replacement is convenient and convenient even in tight spaces without touching the lines 12, 13.

In addition, the secondary treatment water tank 40 is composed of a body 420 coupled to the upper cover 410 and the upper and lower connection lines 13 and 14, the body 420 inner bottom bottom 422 ) Has a fastening rod 423 is placed in the center thereof.

In addition, the micro filter MF is composed of an individual body in which the central passage 440 and the upper and lower packings 441 are coupled to each other. The micro filter MF, which is a unit object, is placed in the upper frame 431 and the lower frame 432. A plurality of (for example, three) radially arranged between the two to form a filter assembly 430 fixed. Each micro filter MF of the filter combination 430 as described above may have a processing capacity of about 1M ³ / HR and adjust the number thereof according to a desired throughput to form a filter assembly. Subsequently, the filter combination 430 as described above is inserted into the fastening rod 423 installed in the bottom 422 of the secondary treatment water tank 40, and then fixed by fastening means such as bolts and nuts, etc. The through hole 424 in the bottom 422, the passage 440 of the through hole 424 around the through projection 425 is closed and interviewed with the packing 441 of the micro filter bottom to be sealed And the position guide 426 for holding the position of the lower frame 432 of the filter assembly 430 is placed in the bottom 422.

When the secondary treatment water tank 40 is configured as described above, a filter having a plurality of micro filters MF fixed to the upper and lower frames 431 and 432 on the fastening rod 432 of the bottom 422 is provided. Since the combination 430 is inserted and detached, and the through hole 424 communicating only with the corresponding passage 440 is perforated at the bottom 422, the primary treatment water flowing into the tank 40 may be each. Through the filter (MF) through the passage 440 and the through hole 424 can be discharged to the connection line 14 of the bottom of the tank 40, when the filter assembly 430 is replaced with the upper cover 410 After separating from the flange 421 of the upper body 420 coupled with the flange 411, the filter assembly 430 coupled to the fastening rod 423 is separated from the fastening rod 423, and then taken out vertically. Simply replace the prepared filter assembly.

In addition, the sterilized water tank 50 with the built-in ultraviolet lamp (UV) is isolated from the tank 50 by the glass tube 510 in order to protect the lamp (UV), the ultraviolet rays from the lamp (UV) is a glass tube It is possible to sterilize the secondary treatment water that penetrates (510) and flows into the tank.

In addition, according to the device of the present invention, after the waste water is pumped into the sprinkling tank 17 in a state in which the sludge is crushed by the impeller PAN of the pump P1 via the supply line 10, the nonwoven fabric RF is moved. The non-woven fabric is sprinkled by the non-woven fabric, which is sprinkled on the sludge, and the non-woven fabric is placed in the bag 21 in a dried state in the electric heater (HT), and when the non-woven fabric (RF) dried on the roll is fully used up, a newly prepared roll It is natural that the nonwoven fabric on the top is replaced and the nonwoven fabric contained in the bag 21 is disposed of. Subsequently, the pretreated water, which is the waste water filtered through the nonwoven fabric, is accumulated in the pretreated water tank 18, and a circulation pump P2 on the connection line 12 between the pretreated water tank 18 and the primary treated water tank 30 is used. The pre-treatment water is supplied to the watering machine 312 of the primary treatment water tank 30 by the connection line 12, and the pre-treatment water sprayed from the watering machine is colorless to the carbon filter CA of the tank 30. It is odorless and is treated as a first treatment water, which is sent to the secondary treatment water tank 40 via the connecting line 13, and its particles are separated by a micro filter MF in the range of 1-3 mu m. It is treated into secondary treatment water, and the secondary treatment water enters the sterilization water tank 50 through the connection line 14 and is sterilized by an ultraviolet lamp (UV) and drained in an aseptic state. 15) to be thrown into the sewer.

In addition, when each of the tanks 16, 17, 18, 30 and 40 is treated with an acrylic resin-based transparent body, especially in the case of the primary and secondary treated water tanks 30 and 40, the filter inside thereof. As (CA) (MF) is seen, it checks the condition of the filter from time to time so that the replacement time can be discerned.

As described above, according to the present invention, since the wastewater is colorless, odorless, sterile and sludge-free and discharged into the sewage system, water pollution is fundamentally prevented, and various filters are already commercialized and can be easily and cheaply purchased on the market. Therefore, it is economically less burdensome to install the device, and in addition, since the device is made up of components which can be miniaturized and lightened, for example, various filters, ultraviolet lamps, small pumps and acrylic resin tanks, etc., It can be applied to the home, small private hospital, commercial building or restaurant, hotel, etc. and advantageously applied.

Claims (6)

A primary treatment water zone equipped with a pulverization zone for crushing sludge such as suspended or contaminated water, a pretreatment water zone for filtering crushed sludge with a nonwoven fabric, and a carbon filter for colorless and odorless pretreatment water, 1 It is to be discharged to the sewer through the secondary treated water zone equipped with a micro filter to treat the particles of the secondary treated water to 1-3㎛ and the sterilized water zone to remove the bacteria contained in the secondary treated water with ultraviolet rays. Wastewater treatment method characterized in that. Pump (P1) for crushing the sludge of the wastewater introduced into the storage tank (16) through the supply line (10) and pumped to the water spray tank (7), the rolled non-woven fabric (RF) to the driving roller (20) It moves horizontally to one side to be contained in the bag 21 and sends the pretreated water to the pretreatment tank 18 by sludge in the waste water being sprinkled by the nonwoven fabric (RF) moved from the sprinkling tank 17. Connection line connecting the pretreatment means, the primary treatment water tank 30 and the pretreatment water tank 18 and the water dispenser 312 having the preliminary treatment means and the carbon filter CA and the water dispenser 312 disposed thereon. Secondary treatment water tank 40 and secondary treatment connected to the mild pump (P2) provided on the (12), the primary treatment water tank 30 and the connection line 13 and built-in micro filter (MF) Sterilization treatment from the sterilization water tank 50 and the sterilization water tank 50, which are connected to the tank 40 and the connection line 14 and provided with an ultraviolet lamp (UV). Wastewater treatment apparatus characterized in that the drainage line (15) for draining the water to the sewer. According to claim 2, wherein the primary treatment water tank 30 is the upper body 310, the water dispenser 312 is built-in, the carbon filter (CA) loaded with carbon in the nonwoven fabric case 325 is accommodated and the bottom ( 323) the wastewater treatment apparatus, characterized in that the through hole 324 is separated and coupled to the perforated intermediate body 320. The wastewater treatment apparatus according to claim 2, wherein the micro filter (MF) is a filter assembly (330) fixedly disposed in a plurality of radially between the upper frame (331) and the lower frame (332). The method of claim 2 or 4, wherein the secondary treatment water tank 40 is the upper cover 410, the connecting line 13, 14 is a body 420 is arranged up and down, the body ( A fastening rod 423 is installed at the center of the inner bottom 422 so that the filter assembly 430 is fixedly installed, and the through hole 424 corresponding to the passage 440 of each micro filter MF is bottomed. 422) perforated wastewater treatment apparatus. The wastewater treatment apparatus according to claim 2, wherein the heat transfer heater (HT) is disposed on the nonwoven fabric near the driving roller (20) for moving the nonwoven fabric (RF) of the pretreatment means.