KR102499729B1 - Filtration apparatus using diatomaceous earth - Google Patents

Abstract

The present invention relates to a filtration apparatus using diatomaceous earth, which is configured to filter out liquid pollutants such as industrial wastewater and sewage by mixing diatomaceous earth with filtration oil. The filtration apparatus using diatomaceous earth, of the present invention, comprises: a mixing tank (100) including a tank main body (110) into which diatomaceous earth (A) is introduced into the upper part thereof and a perforated plate (120) which is installed to divide the inside of the tank main body into an upper space (111) and a lower space (112) and on which diatomaceous earth (A) introduced into the tank main body is piled up; a filtration oil spray unit (200) which sprays filtration oil (B) onto the diatomaceous earth piled up on the perforated plate and mixes the filtration oil (B) with the diatomaceous earth; and a transfer pipe (300) which connects a lower end (113) of the mixing tank with a filtration tank so that oil-mixed diatomaceous earth (D) moved to the bottom of the mixing tank after passing through the perforated plate is transferred to the filtration tank. Accordingly, since oil-mixed diatomaceous earth (D) is immediately transferred to the filtration tank after being prepared, the filtration treatment speed can be remarkably increased.

Description

Filtration apparatus using diatomaceous earth}

The present invention relates to a filtering device using diatomaceous earth for filtering liquid pollutants such as industrial wastewater and sewage by mixing diatomaceous earth with filter oil.

In general, diatomaceous earth is a fossil of fine algae with a particle size of several micrometers to several tens of micrometers in white or grayish white color. Silicic acid is the main component, and powder particles have many small pores. Widely used.

Therefore, when these properties of diatomaceous earth are used, industrial water, urban sewage, manure, slaughter, marine products, industrial wastewater, fish farms, fish farms, aquariums, swimming pools, baths, water purification related agents, leather, dyeing, textiles, pollution prevention, car washes It is possible to easily filter and purify contaminants such as wastewater, glass, stone, metal processing fluid, electrical discharge machining fluid, rolling oil, cooking oil, painting, plating fluid, and non-magnetic polishing fluid.

1 is a view showing a conventional filtration device using diatomaceous earth. As shown, the conventional filtration device 1 using diatomaceous earth includes a mixing tank 10 for mixing diatomaceous earth (A) and filtered oil (B) and It consists of a filtration tank 20 for filtering and purifying the oil-mixed diatomaceous earth by passing the polluted liquid (C) through it, and a pump 30 forcibly transferring the oil-mixed diatomaceous earth from the mixing tank 10 to the filtration tank 20. .

In addition, an agitator 40 is installed above the mixing tank 10 to evenly mix and evenly disperse the diatomaceous earth (A) and the filtered oil (B) introduced into the mixing tank 10.

In the conventional filtering device 1 using diatomaceous earth configured as described above, when the diatomaceous earth (A) and the filtered oil (B) are mixed in the mixing tank 10, the pump 30 operates to mix the oil inside the mixing tank 10 The diatomaceous earth is forcibly transferred to the filtration tank 20, and when the transfer of the oil-mixed diatomaceous earth to the inside of the filtration tank 20 is completed, the contaminant liquid (C) is introduced into the filtration tank 20 and then introduced into the filtration tank 20. It operates in such a way that filtration and purification are performed while the polluted liquid (C) passing through the oil-mixed diatomaceous earth inside the filtration tank 20.

However, in the conventional filtering device 1 using diatomaceous earth as described above, a hopper 50 for diatomaceous earth input must be installed on the top of the mixing tank 10 so that a large amount of diatomaceous earth (A) can be introduced, and the mixing tank 10 ) Since a large stirrer 40 must be installed at the top, the device 1 is enlarged, and thus occupies a large space in the workshop, resulting in excessive equipment costs.

In addition, since diatomaceous earth (A) and filtered oil (B) must be mixed for a certain time in the mixing tank 10, a certain amount of time must be waited until the mixing is completed, resulting in a slow filtration process and a significant drop in productivity. do.

In addition, since a certain amount of time has to be waited until all the oil-mixed diatomaceous earth is transferred to the filtration tank 20, the filtration process speed is further reduced and the productivity is further reduced, and countermeasures for this are required.

Domestic Registered Utility Model Publication No. 20-0440876

The present invention has been made to solve the above problems, and an object of the present invention is to provide a filtering device using diatomaceous earth capable of minimizing the device and improving the filtration processing speed and productivity.

In order to achieve the above object, the filtering device using diatomaceous earth of the present invention is installed to divide the inside of the tank body into an upper space and a lower space with a tank body into which diatomaceous earth is injected upward, and a perforated plate on which diatomaceous earth injected into the tank body is accumulated. A mixing tank having a mixing tank, a filtering oil spraying unit for spraying filtered oil on the diatomaceous earth stacked on the perforated plate and mixing it with the diatomaceous earth, and transporting the oil-mixed diatomaceous earth that has passed through the perforated plate and moved to the lower part of the mixing tank to the filtering tank. and a transfer pipe connecting the lower end of the mixing tank and the filtration tank to

In addition, an openable lid may be installed on the upper part of the tank body so that diatomaceous earth can be introduced.

In addition, it is preferable that the lower end of the tank body is narrowed downward so that the oil-mixed diatomaceous earth moving to the lower part of the mixing tank through the perforated plate is gathered to one side.

On the other hand, the filtered oil spraying unit includes a filtered oil supply pipe closely inserted into the lower space of the tank body and passing through a perforated plate, a spray head installed on top of the filtered oil supply pipe, and a filtered oil supply pump installed on the filtered oil supply pipe. can be provided

The present invention configured as described above has a mixing tank having a perforated plate on which diatomaceous earth is accumulated and a filtered oil spraying unit for spraying filtered oil on the diatomaceous earth accumulated on the perforated plate and mixing it with the diatomaceous earth, so that the diatomaceous earth and the filtered oil are mixed. Unlike the prior art in which you have to wait for a while, oil-mixed diatomaceous earth can be obtained immediately, and the oil-mixed diatomaceous earth is transferred to the filtration tank as soon as it is generated, thereby significantly improving the filtration treatment speed.

In addition, the present invention does not install an agitator in the mixing tank, so the device can be compact compared to the prior art, so not only can save equipment costs, but also allows workers to easily and safely perform the input of diatomaceous earth, greatly improving workability Improvements can also be expected.

1 is a view showing a conventional filtration device using diatomaceous earth.
Figure 2 is a view showing a filtering device using diatomaceous earth according to the present invention.

The features and advantages of the present invention will become more apparent from the following detailed description of preferred embodiments based on the accompanying drawings.

Prior to this, the terms or words used in this specification and claims do not reflect the technical spirit of the present invention based on the principle that the inventor can appropriately define the concept of terms in order to best explain his or her invention. It must be interpreted with the appropriate meaning and concept.

In addition, terms or words used in the present specification and claims are only used to describe specific embodiments, and are not intended to limit the present invention.

For example, singular expressions include plural expressions unless the context clearly dictates otherwise. In addition, terms such as "comprise" or "include" or "has" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more It should be understood that it does not preclude the possibility of the presence or addition of other features, numbers, steps, operations, components, parts, or combinations thereof.

In addition, when a part such as a layer, film, region, plate, etc. is said to be “on” another part, this includes not only the case where it is “directly on” the other part, but also the case where another part is present in the middle. Conversely, when a part such as a layer, film, region, plate, etc. is said to be "below" another part, this includes not only the case where it is "directly below" the other part, but also the case where there is another part in between.

In addition, terms including ordinal numbers such as “first” and “second” used herein may be used to describe various components, but the components are not limited by the terms, and the terms It is used only for the purpose of distinguishing one component from another.

Hereinafter, in describing an embodiment of the present invention in detail with reference to the drawings, the same reference numerals are used for the same components, and only different parts are mainly described so as not to overlap as much as possible for clarity.

As shown in FIG. 2, the filtering device using diatomaceous earth of the present invention includes a mixing tank 100 into which diatomaceous earth (A) is introduced, and a filtering oil spraying unit supplying filtered oil (B) to the mixing tank 100. 200 and a transfer pipe 300 connecting the mixing tank 100 and the filtration tank 20.

The mixing tank 100 includes a tank body 110 and a perforated plate 120 installed inside the tank body 110 .

The tank body 110 is configured such that an upper portion of the tank body 110 can be opened and closed so that diatomaceous earth A can be introduced into the tank body 110 .

In this case, the top of the tank body 110 is opened, and the lid 130 can be detachably installed on the top of the open tank body 110 .

Therefore, since it is not necessary to install a hopper on the upper part of the tank body 110, it is possible to significantly save equipment costs, and the diatomaceous earth A can be quickly and conveniently moved into the tank body 110 while opening and closing the lid 130 as necessary. Since it can be injected, workability is improved.

In addition, the perforated plate 120 is a flat plate in which a plurality of fine holes are formed at even intervals, and is installed to cross the inside of the tank body 110 horizontally, thereby dividing the inside of the tank body 110 into the upper space 111 and the lower part. It is partitioned into space 112.

The perforated plate 120 has excellent strength to stably support a high load of diatomaceous earth (A), and excellent corrosion resistance considering that it is continuously exposed to the filtered oil (B) injected into the tank body 110. It is good that it is made of material.

Meanwhile, the diameter of the micropores formed in the perforated plate 120 is greater than that of the diatomaceous earth (A) particles.

In this case, the diatomaceous earth (A) before mixing is not discharged to the lower space 112 through the micropores of the perforated plate 120 due to the cross-linking phenomenon in which the diatomaceous earth (A) particles naturally aggregate due to the nature of the porous surface structure, but the perforated plate ( 120), while the oil-mixed diatomaceous earth (D) is discharged to the lower space 112 through the micropores of the perforated plate 120 while the cohesive force is weakened.

The filtered oil spraying unit 200 sprays the filtered oil (B) on the diatomaceous earth (A) stacked on the perforated plate 120 and mixes it with the diatomaceous earth (A).

In this case, the filtered oil spraying unit 200 may include a filtered oil supply pipe 210, a spray head 220, and a filtered oil supply pump 230.

The filtered oil supply pipe 210 is closely inserted into the lower space 112 of the tank body 110 and is installed to vertically penetrate the perforated plate 120 . A through hole 121 having a diameter corresponding to the outer diameter of the filtered oil supply pipe 210 is formed in the center of the perforated plate 120 so that the filtered oil supply pipe 210 can pass therethrough.

The spray head 220 is installed at the top of the filtered oil supply pipe 210 passing through the through hole 121 of the perforated plate 120, and the filtered oil (B) flows downward toward the diatomaceous earth (A) accumulated on the perforated plate 120. to spray

In addition, a filtered oil supply pump 230 is installed in the filtered oil supply pipe 210 so that the injection of the filtered oil B is uniformly sprayed at a constant pressure.

Meanwhile, the mixing tank 100 and the filtering tank 20 are connected through a transfer pipe 300.

The transfer pipe 300 forcibly transfers the oil-mixed diatomaceous earth D, which has passed through the perforated plate 120 and moved to the lower portion of the mixing tank 100, to the filtration tank 20.

In this case, it is preferable that a transfer pump 310 providing a forced transfer force is installed in the transfer pipe 300 .

In addition, it is preferable that the lower end 113 of the tank body 110 is narrowed downward for smooth transfer of the oil-mixed diatomaceous earth (D).

In this case, the oil-mixed diatomaceous earth (D) passing through the perforated plate 120 and moving to the lower space 112 of the mixing tank 100 naturally gathers at the lower end 113 of the tank body 110 of the mixing tank 100, , It is forcibly discharged from the tank body 110 immediately without delay through the transfer pipe 300 and put into the filter tank 20.

The filtering device using diatomaceous earth of the present invention configured as described above operates as follows.

First, the lid 130 installed on the upper part of the tank body 110 is opened, and diatomaceous earth A is introduced.

The diatomaceous earth (A) injected into the tank body 110 is piled up on the upper part of the perforated plate 120, and when the input of the diatomaceous earth (A) is completed, the lid 130 is closed and the filter oil supply pump 230 is operated.

When the filtered oil supply pump 230 is operated, the filtered oil (B) flows into the tank body 110 through the filtered oil supply pipe 210, and the spray head 220 installed at the top of the filtered oil supply pipe 210 It is sprayed with diatomaceous earth (A) through

The diatomaceous earth (A) is mixed with the filtered oil (B) to be sprayed, and the oil-mixed diatomaceous earth (D) naturally passes through the micropores of the perforated plate 120 while the cohesive force is weakened, forming the lower space 112 of the tank body 110. fall down to

The oil-mixed diatomaceous earth (D) falling into the lower space 112 of the tank body 110 is gathered at the lower end 113 of the tank body 110, and the transfer pipe 300 connected to the lower end 113 of the tank body 110 ) After being forcibly discharged through, it is introduced into the filtration tank (20).

Therefore, if diatomaceous earth (A) is put into the tank body 110 and filtered oil (B) is supplied, oil-mixed diatomaceous earth (D) can be obtained immediately without mixing with filtered oil (B) and waiting. Productivity improves as processing speed increases.

In addition, since it is not necessary to supply the filtered oil (B) to the mixing tank 100 in advance, the treatment can be performed immediately without waiting time according to the input of the filtered oil (B), and the filtering treatment speed is further improved.

In addition, since the oil-mixed diatomaceous earth (D) is immediately transported and put into the filtration tank 20 through the transfer pipe 300 as it is generated, all treatment operations are performed continuously, thereby increasing the filtration treatment speed and productivity. also greatly improved.

In addition, since the present invention has excellent filtration processing speed and productivity, the mixing tank 100 can be operated even when manufactured on a small scale, and the mixing tank 100 can be manufactured more compactly because a conventionally installed agitator is not required. This can further reduce equipment costs.

In addition, when the mixing tank 100 is manufactured on a small scale, workers can easily and safely input the diatomaceous earth (A), so workability is greatly improved.

As such, although the preferred embodiments of the present invention have been described with reference to the drawings, the present invention is not limited to the above-described embodiments, and those skilled in the art can modify without departing from the spirit of the present invention. It is possible, and such modifications will fall within the scope of the present invention.

100 ... mixing tank 110 ... tank body
111 ... upper space 112 ... lower space
113... bottom 120... perforated plate
130 ... lid 200 ... filtration oil spraying unit
210 ... filter oil supply pipe 220 ... injection head
230 ... filtration oil supply pump 300 ... transfer pipe
A...diatomaceous earth B...filtered oil
D... oil blend diatomaceous earth

Claims (4)

A mixing tank having a tank body into which diatomaceous earth is injected upward, and a perforated plate installed to divide the inside of the tank body into an upper space and a lower space and on which the diatomaceous earth injected into the tank body is accumulated;
A filter oil spraying unit for spraying filtered oil on the diatomaceous earth stacked on the perforated plate and mixing it with the diatomaceous earth; and
A transfer pipe connecting the lower end of the mixing tank and the filtration tank to transfer the oil-mixed diatomaceous earth that has passed through the perforated plate and moved to the lower portion of the mixing tank to the filtration tank,
The filtered oil spraying unit
a filtered oil supply pipe closely inserted into the lower space of the tank body and penetrating the perforated plate;
a spray head installed on top of the filtered oil supply pipe; and
A filtering device using diatomaceous earth having a filtering oil supply pump installed in the filtering oil supply pipe. According to claim 1,
A filtering device using diatomaceous earth in which an openable lid is installed on the top of the tank body so that diatomaceous earth can be introduced. According to claim 1,
The lower end of the tank body passes through the perforated plate and is narrowed downward so that the oil-mixed diatomaceous earth moving to the lower part of the mixing tank gathers to one side. delete

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