KR960000563B1 - Method and apparatus for filtering of carwash water - Google Patents

Abstract

The car washing water is collected in a tank(11) and floating oil and other impurities are removed. The treated water is sterilized in an ozonator(101), and the sterilized water is filtrated by a Z filter. A surface of the Z filter is coated with mixed water containing 30 g of silicone and 1 ton of water by pressure. The contaminated Z filter is washed by an air pressure using compressor.

Description

Car wash water filtration method and device

1 is an explanatory diagram for explaining the wash water filtration method according to the present invention.

2 is a process chart of the wash water filtration method according to the present invention.

3 is a fragmented process chart of the wash water filtration process according to the present invention.

Figure 4 (a), (b), (c) is an operating state diagram of the Z filter which is the main part of the present invention.

5 is a perspective view of a car wash water filtering device according to the present invention.

FIG. 6 is a cross-sectional view of the oil removal device for removing oil from the wash water before supplying the wash water to the filtration device shown in FIG.

* Explanation of symbols for main parts of the drawings

10: water collecting process 11: water collecting tank

20: oil removal process 30: sterilization process

40: filtration process 50: water storage process

51: water storage tank 60: preparation tank

70: pump 80: filtration tank

81: Z filter 82: Polygonal pipe

83: through hole 84: wire

85: coating layer 86: impurity particles

90: oil removal device 91: main body

92: oil adhesion roller 93: recovery plate

94: oil discharge groove 100: sterilizer

101: ozone generator 102: big troll device

The present invention relates to a method and apparatus for filtration of car wash water, and more particularly, to clean and reuse car wash water as a compact and simple facility without using chemicals or complicated equipment.

Conventionally, the method of precipitating the wash water to sink impurities, the primitive method of draining only the water from which the impurities have been removed through the sewer, and the method of filtration and draining various impurities contained in the wash water using chemicals Mainly used, the method of treating the wash water by sedimentation requires a large tank and there is a big problem of polluting the environment because the floating matter floating in the water such as oil is discharged to sewage, and the method of treating the wash water by the latter chemicals. Even if a car wash water treatment facilities and expensive chemicals are required, there is a problem of chemical toxicity and sediment increase.

Therefore, the present invention allows the washing water treatment to be done automatically, thereby reducing the size of the equipment is small and portable anywhere, reducing the treatment cost or low cost, and the washing water is multi-filtered by multiple holes, wire gaps and porous diatomaceous earth The present invention relates to a method and an apparatus for recycling the same.

That is, the present invention is to collect the wash water after washing in the car wash in the collecting tank and to remove the oil and other impurities from the collection tank, sterilize the water from the oil and injured impurities removed by ozone generator, In a wash water filtration method in which water is introduced into a filtration device equipped with a Z filter to purify the water, the mixed water obtained by mixing the structured soil as a preparation in a preparation mixing tank in the filtration device at a rate of 30 g of diatomaceous earth per ton of water is Apply pressure to the outer periphery of the Z filter in the filtration device to coat it to a certain thickness to filter the impurity particles.After a long time of use, the impurity particles stuck to the surface of the coating layer of the Z filter are also compressed by Z Washing water filtering room characterized in that the impurity particles are discharged to the outside of the Z filter by being backwashed out of the filter. And to a device.

As shown in FIG. 1 and FIG. 2, the car wash water filtration method according to the present invention includes: a water collecting step (10) for receiving the car wash water washed at the car wash and storing in the water collecting tank (11); An oil removal process (20) for removing oil and impurities from the wash water including impurities such as wax, dust, sand, oil, etc. stored in the collecting tank 11; Sterilization step (30) for sterilizing the water cleared in the oil removal step as the ozone generator (101); A filtration process 40 for filtering water by introducing water from the sterilization process into the filtration tank 80 and including fine impurity particles from the sterilization process in the Z filter 81 of FIG. 4; Storage step 50 and storing the filtered purified water in the storage tank 51 is made in sequence.

As shown in FIGS. 1 and 3, the filtration process 40 again mixes water and a preparation (diatomaceous earth) in a ratio of 30 g of preparation per ton of water in the preparation mixing tank 60 of the filtration apparatus. Step 41; The mixed water in the preparation mixing process is drawn into the filtration tank 80 and the compressed air is supplied using a compressor to coat the preparation with a predetermined thickness on the outer circumference of the Z filter 81 in the filtration tank 80, That is, the coating step 42 for coating the diatomaceous earth loosened in the mixed water to be attached to the Z filter outer periphery with a predetermined thickness; The fine water coated on the outer circumference of the Z filter 81 in the filtration tank 80 in the water passing through the oil removal process 20 and the lean process 30 in the state in which the formulation is coated on the outer circumference of the Z filter 81. A fine and filtration process 43 for filtering the fine impurity particles 86 through the porous preparation coating layer 85; In the fine particle filtration step 43, the back washing and discharging step of backwashing the impurity particles 86 stuck to the outer circumference of the preparation coating layer 85 of the Z filter 81 by the air pressure of the compressor and discharging them to the outside The filtration process 40 is performed by subdividing again in the order of (44).

The purified water passed through the fine particle filtration process 43 is sent to the water storage tank 51 is reused as the car wash water.

On the other hand, the precession water filtration device for purifying stigma theta water as described above, the preparation mixing tank 60 for mixing the preparation (diatomaceous earth) and water as shown in Figs. 1, 5 and 6, A pump 70 for supplying the preparation mixed water mixed in the preparation mixing tank 60 into the filtration tank 8 and a Z filter 81 inside are embedded to sterilize the preparation mixing water and the oil removing device 90. An oil removal device for raising oil and dirt from the wash water so that the filtered water is supplied to the filtration tank 80 and the filtered water is supplied to the filtration tank 80 by receiving the purified water by the apparatus 100. 90) and the sterilization apparatus 100 for sterilizing the water cleared from the oil removal device 90 as the ozone generator 101.

In the above-described Z filter 81 in the filtration tank 80, a plurality of through holes 83 penetrate the periphery of the polygonal pipe 92 as shown in (a), (b) and (c) of FIG. In this polygonal pipe 82, the outer periphery of the wire 84 is closely wound so that there is almost no gap. The water passing through the micro-gap between the wires flows into the polygonal pipe 82 and the oil in the wash water. Impurities such as sludge are configured to be caught outside the wire 84.

The gap between the wires 84 is different depending on the water to be filtered, but in the case of a wave number, 30 to 50 μm is preferable.

And, as shown in Figure 6, the oil control device 90, the oil control device main body 91 is installed to be inclined at a predetermined inclination so that the water flows down, by the motor (M) in the inclined lower side A rotating oil adhesion roller 92 is installed, and a recovery plate 93 for recovering oil from the oil adhesion roller 92 is installed at one side of the oil adhesion roller 92 so that the oil floated in the service life is oil adhesion roller. When the oil is buried at 92, the oil is recovered by the recovery plate 93, and is removed and recovered by the oil discharge container 94, and the clear water from which the oil is removed is sterilized by the sterilization apparatus 100 to filter the tank 80. Is supplied.

The car wash water filtering device of the present invention configured as described above is configured to be automatically operated by the control device 102.

Referring to the effects of the present invention as described above are as follows.

As shown in Figs. 1 to 3, dirty car washes after washing the car at the car wash are stored in the collecting tank 11 and the car washes stored in the collecting tank are sent to the oil removal device 90.

At this time, the wash water contains various impurities such as oil, wax, dust, sand, etc., and is inclined to the oil adhesion roller 92 by the inclined oil removal device body 91, and the oil floated on the surface of the oil adheres to oil. Since the oil adhesion roller 92 is rotated by the motor M, the oil is adhered to the roller 92, and oil is continuously applied to the outer circumference of the oil adhesion roller 29.

At this time, one side of the oil adhesion roller 92 is provided with a recovery plate 93 for oil recovery, the oil on the oil adhesion roller 29 is scraped by the recovery plate 93 and discharged to the oil discharge container 94. do.

In addition, dirt, such as dust and sand, precipitates on the bottom of the main body of the oil removal device, and may be unrolled separately after a long time.

As described above, the wash water containing the ball pure water is first filtered in the oil removal device and sent to the sterilization device 100, and sterilized by the ozone generator 101 in the sterilization device to make the purified water even more cleanly.

At this time, the preparation tank (60) is mixed with the preparation (diatomaceous earth) and clear water before the oil removal operation proceeds, the ratio is put into 30g of the preparation per 1 bottle of water mixed with a compressor if the state is sufficient and uniform To the filtration tank 80 to form a coating on the outer periphery of the Z filter 81 (see FIG. 4A).

In this state, when the clean water ignited by the oil removal device 90 and the sterilization device 100 is supplied into the filtration tank 80, the water contained in the water, as shown in FIG. The fine impurity particles 86 are trapped in the coating layer 85, the only gaps between the fine porous wire 84 in the preparation, such as diatomaceous earth to form only the coating layer 85, and numerous holes 83 of the polygonal pipe 82 Through the inside of the polygonal pipe (82) through, to wash the water in triplicate to make a very clear and clean purified water to send to the storage tank (51) to store and reuse that to wash the water.

In the process of filtering the wash water for 1, 2, 3 times for such a long time, the fine impurity particles 86 contained in the surface wash water of the Z filter 81 may adhere to the filtration function. 101) by detecting the pressure increase, the high pressure air is flowed back out of the filter in the Z filter 81 by the compressor and the fine impurity particles on the surface of the Z filter are discharged to the outside to continuously wash the water. It can be filtered.

As described above, in the present invention, the car wash water washed from the car wash water is filtered and purified over three times so that the water can be reused, as well as unlikely to use expensive chemicals unlike conventional sediments. There is a great advantage that prevents the increase and is also marginally beneficial and above all does not pollute the environment.

And because the equipment itself is simple and small, it can be easily moved and installed.

Claims (2)

After washing at the car wash, the wash water is collected in a collecting tank, oil and other impurities are removed from the collection tank, the oil and other impurities are removed by an ozone generator, and the sterilized water is filtered through a Z filter. In the wash water filtration method which flows into the provided filtration apparatus and it is made to purify, Z-filter in the filtration apparatus mixes the mixed water which mixed the structure soil at the ratio of 30 g of diatomaceous earth per ton of water as a preparation in the preparation mixing tank in the filtration apparatus. Apply pressure to the outer circumference to coat to a certain thickness to filter the impurity particles, and after a long time use, impurity particles stuck to the surface of the coating layer of the Z filter are also backwashed out of the Z filter by air pressure by a compressor or the like. Washing water filtration method characterized in that to discharge the impurity particles to the outside of the Z filter. After washing at the car wash, the wash water is collected in a collecting tank, oil and other impurities are removed from the collection tank, the oil and other impurities are removed by an ozone generator, and the sterilized water is z-filtered. In the wash water filtration device to be filtered by a filtration device equipped with a back, the Z filter is a plurality of through holes through the polygonal pipe and the wire and the wire is in close contact around the polygonal pipe to form a fine gap Washing water filtration device, characterized in that configured to enable multiple filtering by coating the surface of the Z filter by diatomaceous earth released in water over one filter.