KR200317536Y1 - Oily Water Separator System with Sludge Storage Tank - Google Patents

Abstract

The present invention relates to an oil / water separation system that efficiently separates oil and water contained in waste water (hereinafter referred to as 'raw water'), and in particular, improves the purification efficiency by filtering raw water three times, thereby reducing environmental pollution. The present invention relates to an oil and water separation system which can prevent and prevent the storage of separated oils at the same time and which is easy to operate and can be efficiently installed in a small space.

According to the first embodiment of the present invention, the oil-water separation system of the present invention, the primary oil-water separator for oil-separating the incoming water by using the mounted pelling unit, and the primary pre-treated water discharged from the primary oil-water separator A secondary oil-water separator for separating oil from the secondary oil using the ceramic ball unit, and a third oil-water separator for separating oil from the secondary oil-water separator from the secondary pre-water discharged to the coarse shabu unit; Characterized in that the storage tank for storing the oil discharged from the primary oil separator, the secondary oil separator and the third oil separator.

Description

Oily Water Separator System with Sludge Storage Tank

The present invention relates to an oil / water separation system that efficiently separates oil and water contained in waste water (hereinafter referred to as 'raw water'), and in particular, improves filtration efficiency by filtering raw water three times. The present invention relates to an oil and water separation system which can prevent and prevent the storage of separated oils at the same time and which is easy to operate and can be efficiently installed in a small space.

The purpose of the present invention, by sequentially placing the first oil separator, the second oil separator, the third oil separator to improve the efficiency of oil separation, and to prevent the environmental pollution, at the same time to save the oil separated from each oil separator By storing in the tank, the installation space of the system can be reduced, and it is economical, and it provides an oil and water separation system that is easy to operate by allowing the automatic operation using the pressure sensor and the oil sensor.

1 is a storage tank (5), the primary oil and water separator (2), the secondary oil and water separator (3) and the third oil and water separator (4) according to an embodiment of the present invention consisting of Full schematic block diagram.

FIG. 2 shows a schematic cross section of the primary oil / water separator of the oil / water separation system shown in FIG. 1. FIG.

3 shows a schematic cross section of a secondary oil / water separator of the oil / water separation system shown in FIG. 1;

4 is a cross-sectional view showing a schematic cross section of the tertiary oil / water separator of the oil / water separation system shown in FIG.

The present invention can be implemented by the embodiment having the following configuration to achieve the above object.

According to the first embodiment of the present invention, the oil-water separation system of the present invention, the primary oil-water separator for oil-separating the incoming water by using the mounted pelling unit, and the primary pre-treated water discharged from the primary oil-water separator A secondary oil-water separator for separating oil from the secondary oil using the ceramic ball unit, and a third oil-water separator for separating oil from the secondary oil-water separator from the secondary pre-water discharged to the coarse shabu unit; Characterized in that the storage tank for storing the oil discharged from the primary oil separator, the secondary oil separator and the third oil separator.

According to the second embodiment of the present invention, in the oil / water separation system of the present invention, in the first embodiment, the primary oil / water separator grows by adsorbing the raw water inlet through which raw water is introduced and the oil content of the introduced raw water. A polling unit mounted with a polling unit, an oil sensor detecting the oil injured upwards, and an inflow passage of the backwashing unit for backwashing the polling unit by a flow path switching valve connected with the oil sensor and the purified primary pretreatment. An outlet inlet through which water discharge passages are selectively opened and closed, an air injection unit for injecting air to remove and float oil adsorbed to polling of the polling unit, an oil outlet through which oil floated upwards is discharged, and An air outlet for discharging the floated air to the outside; The oil detector stops the inflow of raw water to the raw water inlet when the oil is detected, switches the flow path of the flow path switching valve, introduces backwash water to the outlet, and simultaneously sprays air from the air injection unit to backwash the polling unit. And discharge the oil and air floated upward by opening the oil discharge port and the air discharge port. On the contrary, when the backwash water is detected, the pre-treatment water is discharged to the outlet inlet by switching the flow path of the flow path switching valve. It is characterized in that the outlet and the air outlet and the air injection unit is sealed and the raw water is introduced into the raw water inlet.

According to the third embodiment of the present invention, the oil-water separation system of the present invention, in the second embodiment, the primary oil-water separator is an oil-water separation plate to prevent the oil floated to the upper settle down It is characterized in that it further comprises.

According to the fourth embodiment of the present invention, in the oil / water separation system of the present invention, in the first embodiment, the secondary oil / water separator is a pretreatment water inlet through which the primary pretreatment water discharged from the primary oil / water separator is introduced. And, the ceramic ball unit mounted on the ceramic ball is adsorbed and grown in the primary pre-treatment water introduced through the pre-treatment water inlet, a pressure sensor for detecting the internal pressure, and the flow path switching valve in conjunction with the pressure sensor By removing the inlet and the outlet of the inlet flow path of the backwashing water for backwashing the ceramic ball portion and the outlet flow path of the second pretreatment water for the discharge of the second pretreatment water, and the oil adsorbed to the ceramic ball An air injection unit for injecting air to discharge air, and an oil discharge port through which the oil floating above is discharged; The pressure sensor stops the inflow of the first pretreatment water when the internal pressure exceeds a predetermined value, switches the flow path of the flow path switching valve, injects backwash water into the outlet and simultaneously injects air from the air injection unit. Backwash the ceramic ball and open the oil outlet to discharge the oil which floats upwards.In contrast, if the pressure falls below a predetermined value, the flow path of the flow path switching valve is switched to discharge the second pretreatment water to the outlet. At the same time, the oil discharge port and the air injection unit are sealed, and the first pretreatment water is introduced into the first pretreatment water inlet.

According to a fifth embodiment of the present invention, in the oil / water separation system of the present invention, in the first embodiment, the third oil / water separator is a pretreatment water inlet through which the second pretreatment water discharged from the secondary oil / water separator is introduced. And a coreless portion through which the secondary pretreatment water passes and adsorption-grown oil, and an inflow passage of backwash water for backwashing the coreless portion by a flow path switching valve and a discharge passage of the third pretreatment water are selectively opened and closed. It is characterized in that it comprises an outlet and the oil discharge port is discharged to the upper portion of the oil.

Applicants will now be described in detail with reference to the present embodiments with reference to the accompanying drawings.

1 is a storage tank (5), the primary oil and water separator (2), the secondary oil and water separator (3) and the third oil and water separator (4) according to an embodiment of the present invention consisting of The overall schematic block diagram. Referring to FIG. 1, the oil and water separation system 1 of the present invention includes a storage tank 5, a primary oil and water separator 2, a secondary oil and water separator 3, and a tertiary oil and water separator 4.

As shown in FIG. 2, the primary oil / water separator 2 includes a raw water inlet 24, a raw water guide 241, a polling unit 26, an outlet 21, an air spray unit 20, and oil. It consists of the discharge port 22, the air discharge port 23, oil fraction (S1).

The raw water inlet 24 is a passage through which raw water OW, such as waste water, is introduced by the pump P1 and is located at the lower end of the primary oil / water separator 2.

The raw water guide portion 241 is connected to the raw water inlet 24 at the lower end thereof, and guides the raw water OW introduced into the raw water inlet 24 and flows the upper portion of the raw water to the upper portion. Floating and remaining raw water is lowered to the polling portion serves to increase the oil-water separation efficiency. As such, although the raw water guide portion 241 serves to increase the oil separation efficiency, it is natural that embodiments without the configuration may implement the technical idea of the present invention.

The polling portion 26 is a portion in which the polling 261 is accommodated, and serves to adsorb and grow the oil contained in the raw water. Here, Polling (261) is one of fillers with a long history and tradition of development. It allows oil and float to adsorb and grow as it passes through. It is developed and marketed in various materials such as engineering plastics, metals, porcelain and ceramics. Utility Model Registration No. 269526 "Polling Synthetic Resin Material for Tower Filter", Republic of Korea Registered Utility Model No. 234 "Manufacturing Apparatus for Pollution for Tower Filter" is disclosed as an example, detailed description thereof will be omitted herein.

The outlet 21 is a passage through which the backwash water flows through the backwash water line E in order to remove the oil adsorbed to the polling 261 of the polling part 26 and float it upward. It is also a passage for discharging the primary pretreatment water TW1 purified by the oil / water separator 2. This flow path is made by a known flow path switching valve 211, the flow path switching valve 211 is operated in conjunction with the oil sensor (S1) described below.

The air injection unit 20 serves to inject the air supplied through the air supply line (G) to remove and float the oil adsorbed to the polling unit (26). This is also linked to the oil sensor (S1), which will be described below.

The oil discharge port 22 is a passage for discharging the oil (O1) floating to the top, the air discharge port 23 is a passage for discharging the air floating upward to the outside, these discharge ports (22, 23) are all It is linked with the oil sensor (S1).

Applicants describe the operating relationship of the primary oil / water separator 2 below.

The pump P1 pumps the raw water OW of the raw water supply line A and supplies the raw water OW to the primary oil separator 2 through the raw water inlet 24, and the raw water is supplied upward through the raw water guide 241. The oil is partially adsorbed and grown on the polling 261 of the polling unit 26 while some of the oil of the raw water rises upward and some of the oil is lowered together with the raw water to penetrate the polling unit 26. At this time, if the oil sensor (S1) located at the top, the oil (O1) detects the operation of the pump (P1) to stop the inflow of raw water and the flow inlet valve 211 of the outlet inlet 21 Control by introducing the backwash water from the backwashing water line (E) and at the same time open the air injection unit 20 receives air from the air supply line (G) to backwash the polling unit 26 and polling of the polling unit The oil adsorbed and grown on the air is removed to float to the top, and at the same time, the air discharge port 23 and the oil discharge port 22 are opened to discharge the oil and air floated to the top. The oil discharged from the oil outlet 22 is stored in the storage tank 5 as seen through the oil discharge line F1.

Subsequently, when the oil sensor S1 detects the backwash water rising from the lower end to the upper end, the oil outlet 22, the air outlet 23, and the air injection unit 20 are all sealed together, and the flow path of the outlet inlet 21 is maintained. By controlling the switching valve 211 to block the inflow of the backwash water and at the same time discharge the purified primary pretreatment water (TW1) through the outlet inlet 21 to the primary pretreatment water line (B), the pump (P1) To start pumping the raw water from the raw water supply line (A) into the room.

In addition, according to another embodiment of the present invention, the primary oil / water separator 2 may include oil / water separator plates 27 and 271 therein. Although not shown in the oil and water separators 27 and 271, many through holes are formed to allow the raw water to pass therethrough, and even though the oil O1 that floats to the top is settled down by the oil and water separator, the oil is separated and settled down. Is prevented. The oil / water separator is preferably installed at a predetermined position on the upper end of the primary oil / water separator 2 and / or the raw water guide 241, but may be installed anywhere indoors.

3 is a schematic cross-sectional view of the secondary oil / water separator of the oil / water separation system shown in FIG. 1. Referring to FIG. 3, the secondary oil / water separator 3 includes a pretreatment water inlet 34, a pressure sensor S2, a ceramic ball part 36, an outlet inlet 31, an air injection part 30, and an oil outlet ( 32).

The pretreatment water inlet 34 is a passage through which the first pretreatment water TW1 of the first pretreatment water line B flows. The pretreatment water TW1 is positioned above the ceramic ball 36 to be described below. Pass the ceramic ball portion 36 by gravity.

The ceramic ball part 36 is filled with a spherical ceramic carrier made by firing zeolite and diatomaceous earth, for example, to allow adsorption and growth of oil and suspended solids through it, and various products are currently on the market.

The outlet 31 is also a passage through which the backwash water flows through the backwash water line E to remove the oil adsorbed to the ceramic ball part 36 and float upwards. It is also a passage for discharging the secondary pretreatment water TW2 purified by (3). The change of the flow path is made by a known flow path switching valve 311, the flow path switching valve 311 is operated in conjunction with the pressure sensor (S2) described below.

The air injection unit 30 sprays the air supplied through the air supply line G to remove the oil adsorbed to the ceramic ball 361 of the ceramic ball unit 36 to float. This is also linked to the pressure sensor (S2), which will be described below.

The oil outlet 32 is a passage for discharging the oil (O2) floating to the top.

The pressure sensor S2 controls the secondary oil / water separator as described below using a control circuit (not shown) by measuring the pressure in the room.

Applicants describe the operating relationship of the secondary oil / water separator 3 below.

When the pump P2 pumps the primary pretreatment water of the primary pretreatment water line B and supplies it to the secondary oil / water separator 3 through the pretreatment water inlet 34, a part of the oil of the primary pretreatment water is supplied. Is floated to the upper portion, and partly lowered by gravity together with the pretreated water, penetrating through the ceramic ball portion 36, and oil is adsorbed to the ceramic ball 361 of the ceramic ball portion 36 to grow.

When the room pressure is higher than a predetermined value, the pressure sensor S2 stops the operation of the pump P2 to block the inflow of the first pretreatment water TW1 and the flow path switching valve of the outlet inlet 31. 311 controls the backwash water from the backwashing water line E, and simultaneously opens the air spray unit 30 to receive air from the air supply line G to backwash the ceramic ball part 36. The oil adsorbed and grown on the ceramic ball portion is removed and floated upward, and the oil O 2 is discharged through the oil outlet 22. The oil O2 discharged from the oil outlet 32 is stored in the storage tank 5 as seen through the oil discharge line F2.

Subsequently, when the room pressure is less than a predetermined value, the pressure sensor S2 closes the air injection unit 30 and controls the flow path switching valve 311 of the outlet inlet 31 to block inflow of the backwash water. At the same time, the purified second pretreatment water (TW2) is discharged to the secondary pretreatment water line (C) through the outlet inlet 31, and the pump P2 is started to start the primary pretreatment water from the primary pretreatment water line (B). Start pumping (TW1) into the room.

4 is a cross-sectional view showing a schematic cross section of the tertiary oil / water separator of the oil / water separation system shown in FIG. 1. Referring to FIG. 4, the tertiary oil / water separator 4 includes a pretreatment water inlet 44, a coreless portion 46, an outlet inlet 41, and an oil outlet 42.

The pretreatment water inlet 44, the outlet inlet 41, and the oil outlet 42 of the third oil / water separator are the same as the configurations of the primary oil / water separator 2 and the secondary oil / water separator 3 described above. Is omitted.

The corearsha part 46 is a kind of filter for filtering the fine oil that is not filtered in the primary oil separator and the secondary oil separator, and is composed of materials such as sorbent, FM MATE, and WOOL GLASS, and various products are currently on the market. have.

Applicants will now describe the operational relationship of the tertiary oil separator (4).

When the pump P3 pumps the secondary pretreatment water TW2 of the secondary pretreatment water line C and supplies it to the tertiary oil / water separator 4 through the pretreatment water inlet 44, the secondary pretreatment water ( TW2) penetrates through the coreless portion 46 and grows by adsorbing fine oil to the coreless portion 46. In order to backwash the room, the flow path switching valve 411 of the outlet inlet 41 is controlled to introduce backwash water from the backwash water line E to remove the oil O3 adsorbed and grown on the coreless part. To rise to the top and discharge through the oil outlet (42). The oil O3 discharged from the oil outlet 32 is stored in the storage tank 5 as seen through the oil discharge line F3. Then, when the treated water TW3 is to be discharged, the flow path switching valve 411 of the outlet inlet 41 is controlled to block the inflow of the backwash water, and at the same time, the purified treated water TW3 is discharged to the outlet inlet 41. Discharged to the treated water line (D), and starts the pump (P3) to start pumping the second pretreated water (TW2) from the second pretreated water line (C) into the room.

In addition, the storage tank (5) is connected to the oil discharge line (F1, F2, F3) of the primary oil water separator (2), secondary oil water separator (3) and tertiary oil water separator (4), each The oil or pretreated water discharged from the oil separator is collected and stored. Since the storage tank 5 stores not only oil but also pretreated water, the storage tank 5 is equipped with a commercial oil skimmer (not shown) to remove only oil.

As previously seen, the present invention purifies the raw water three times, so that the final discharged treated water can be maintained at 5, 10, or 15 PPM or less, which is beneficial for preventing environmental pollution.

In the above, the applicant has described various embodiments of the present invention, these embodiments are only one example of implementing the technical idea of the present invention, any modifications or modifications to the present invention as long as the technical idea of the present invention is implemented. It should not be considered further that it should be interpreted as falling within the scope of.

The present invention can achieve the following effects by the above configuration.

The oil and water separation system of the present invention is not only beneficial to environmental pollution because raw water is purified three times, and can be operated automatically due to the linkage between oil and pressure sensors, and further purification and oil in each oil separator. By simultaneously saving the space, the installation space can be reduced by reducing the capacity.

Claims (5)

A primary oil water separator for separating oil from incoming water by using a mounted pelling unit, A secondary oil / water separator for separating oil from the primary oil by separating the primary pretreatment water discharged from the primary oil / water separator using a ceramic ball unit; A third oil / water separator for separating oil from the secondary oil / water separator by secondary co-processing unit with a coarse shabu unit; Oil and water separation system consisting of a storage tank for storing the oil discharged from the primary oil separator, the secondary oil separator and the third oil separator. According to claim 1, wherein the primary oil water separator is a raw water inlet for the raw water is introduced, a polling unit to mount the polling to be adsorbed and growing the oil of the incoming raw water, and an oil sensor to detect the oil floating to the top, An inlet for selectively opening and closing the inlet flow of the backwashing water for backwashing the polling unit and the outlet flow path of the oil-separated primary pretreatment water by a flow path switching valve interworking with the oil detector, and adsorbed to the polling of the polling unit It includes an air injection unit for injecting air to remove and injured oil, an oil outlet for discharging the oil injured in the upper portion, and an air outlet for discharging the air injured in the upper portion, The oil detector stops the inflow of raw water to the raw water inlet when the oil is detected, switches the flow path of the flow path switching valve, introduces backwash water to the outlet, and simultaneously sprays air from the air injection unit to backwash the polling unit. And discharge the oil and air floated upward by opening the oil discharge port and the air discharge port. On the contrary, when the backwash water is detected, the pre-treatment water is discharged to the outlet inlet by switching the flow path of the flow path switching valve. Oil-water separation system characterized in that the outlet and air outlet and the air injection unit is sealed and the raw water is introduced into the raw water inlet. 3. The oil / water separator of claim 2, wherein the primary oil / water separator further comprises an oil / water separator to prevent the oil floating above. According to claim 1, wherein the secondary oil water separator adsorption growth of the pre-treated water inlet to the first pre-treatment water discharged from the primary oil-water separator, and the oil contained in the primary pre-treatment water introduced through the pre-treatment water inlet Secondary pretreatment separated from the inlet flow path of the backwashing water for backwashing the ceramic ball part by a ceramic ball part on which the ceramic ball is mounted, a pressure sensor for detecting internal pressure, and a flow path switching valve connected with the pressure sensor An outlet opening through which the outlet flow path of the second pretreatment water for the discharge of water is selectively opened and closed, an air injection unit for injecting air to remove and float the oil adsorbed on the ceramic ball, and the oil floating above Including an oil outlet, The pressure sensor stops the inflow of the first pretreatment water when the internal pressure exceeds a predetermined value, switches the flow path of the flow path switching valve, injects backwash water into the outlet and simultaneously injects air from the air injection unit. Backwash the ceramic ball and open the oil outlet to discharge the oil which floats upwards.In contrast, if the pressure falls below a predetermined value, the flow path of the flow path switching valve is switched to discharge the second pretreatment water to the outlet. And the oil discharge port and the air injection unit at the same time and start the introduction of the first pretreatment water into the first pretreatment water inlet. The method of claim 1, wherein the tertiary oil separator is a pre-treatment water inlet through which the second pre-treatment water discharged from the secondary oil-water separator flows, and a co-resha part in which oil is adsorbed and grown while passing through the second pre-treatment water, and the flow path conversion. Flowing water characterized in that it comprises an inlet and the outlet of the inlet flow path of the backwashing water for the backwashing of the corearsha by the valve and the outlet of the treated water selectively opening and closing, the oil outlet for the discharge of the oil injured upwards Separation system.