KR20100121011A - A oily water separator system - Google Patents

Abstract

PURPOSE: An oil separation system is provided to facilitate the transfer by arranging all components in one container to form one unit. CONSTITUTION: An original water storing unit(10) stores original water. A first oil separator(20) firstly separates the oil of the original water of the original water storing unit. A second oil separator(30) secondly separates the oil of the original water of the original water of the original water storing unit. A third oil separator(40) finally separates the oil of the original water. An oil storage(50) stores oil discharged from the original water storing unit. A controller(60) controls a system.

Description

A Oily Water Separator System

The present invention relates to an oil / water separation system for efficiently separating oil and water contained in waste oil (hereinafter, referred to as 'raw water'), and in particular, all the components of the oil / water separation system are arranged in one container. It can be installed in a small space and can be easily transported to increase mobility and usability, as well as allowing the oil discharged from each oil separation stage to go through the oil separation stage again, and separating raw water at least three times. After the measurement of the concentration of the oil even after the reference value is measured to go through the reprocessing process is related to an oil and water separation system, characterized in that to increase the oil separation efficiency to prevent environmental pollution.

In general, mixed oil and water are discharged from all industries that use petroleum products, such as steel, machinery and chemicals, and cogeneration plants and transportation engines such as ships. If the raw water is discharged without treatment, it causes serious pollution to soil, groundwater, rivers, ocean, etc., and causes great environmental preservation problems, and its flammability and flammability become more problems, which can cause great social and economic loss. Will be.

Therefore, instead of discharging the raw water as it is to separate the oil and water to be discharged through a separate treatment process, for this purpose, the process of separating the oil water from the raw water should be pre-determined.

However, the conventional oil and water separators have a complicated process, and thus, the devices in charge of each step are complex and occupy a large space. As well as moving the once installed oil separation system to another place is very cumbersome, time-consuming and expensive.

In addition, even if the conventional oil-water separation system is designed to undergo a plurality of oil-water separation processes, the efficiency of oil-water separation is inferior because it is a method of discharging the oil separated at each stage.

In addition, even when the final treated water is discharged through the conventional oil-water separation system, there is no measure as to whether or not additional treatment is performed when the oil concentration of the discharged treated water does not meet the reference value.

The present invention has been made to solve the above problems,

It is an object of the present invention to provide an oil and water separation system that can be installed in a small space by placing all the components of the oil and water separation system in one container, which can be installed in a small space and can be easily transported.

Another object of the present invention is to provide an oil-water separation system which can increase the oil-water separation efficiency of raw water by allowing the oil separated and discharged in each oil-water separation step to go through the oil-water separation step again.

Another object of the present invention is to measure the concentration of the oil in the final discharge step even after separating the oil from the raw water in at least three times when the above standard value is measured to go through the reprocessing process to increase the oil water separation efficiency to increase environmental pollution It is to provide an oil separation system that can be prevented.

Another object of the present invention is to efficiently separate the adsorption method and the adsorption method by specific gravity in the oil-water separation, as well as the process to automatically wash the adsorption member used in the adsorption method of the oil-water separation efficiency and system It is to provide an oil and water separation system that can increase operational convenience.

Still another object of the present invention is to provide an oil / water separation system capable of increasing oil-water separation efficiency by applying a method of performing oil / water separation process in which the separation method and adsorption method are performed by specific gravity at least three times.

Oil and water separation system for achieving the above object of the present invention includes the following configuration.

Oil-water separation system according to an embodiment of the present invention is a raw water storage unit and the raw water storage unit is stored in the raw water, the primary oil and water separator to separate the raw water of the raw water storage unit, and the primary oil-water separator 1 A secondary oil / water separator separating secondary pre-water to secondary oil, a third oil / water separator to finally separate oil / water from the secondary pre-water treated in the secondary oil / water separator, and storing the oil discharged from the raw water storage unit It includes an oil storage unit, and a control unit for controlling the overall operation of the system, wherein the raw water storage unit, the primary oil water separator, the secondary oil water separator, the third oil water separator and the whole oil storage unit are installed in one container It is characterized by maximizing mobility and space efficiency.

According to another embodiment of the present invention, in the oil-water separation system according to the present invention, the raw water storage unit is partitioned by the primary storage unit and the primary storage unit and the partition wall and the raw water is first introduced and stored, the primary storage unit And a secondary storage unit into which raw water is introduced, and a tertiary storage unit partitioned by the secondary storage unit and a partition wall, and supplying raw water introduced and introduced into the primary oil / water separator. The primary storage unit includes a steam heating unit for heating the stored raw water by steam, and an oil skimmer unit which is separated from the water as it is heated by the steam heating unit and attached to the floating oil on the upper portion and discharged to the oil storage unit. It is done.

According to another embodiment of the present invention, in the oil-water separation system according to the present invention, the primary oil-water separator is a specific gravity processing unit for separating the raw water introduced from the third storage unit by the specific gravity difference, and the lower portion of the specific gravity processing unit The falling raw water is characterized in that it comprises a polling-urethane treatment to separate by polling and urethane mat adsorbing oil.

According to another embodiment of the present invention, in the oil / water separation system according to the present invention, the primary oil / water separator is a raw water inlet through which raw water is introduced, an oil sensor to detect oil injured upwards, and an oil injured upwards. Oil discharge outlet for discharging to the primary storage unit, oil-water separation plate to prevent the oil floating on the top to settle down, the oil sensor and the back-washing the polling-urethane processing unit by the flow path switching valve And further comprising an outlet inlet for selectively opening and closing the inlet flow path of the backwash water for the first pretreatment water separated from the oil and water, and wherein the controller stops the inflow of the raw water inlet when the oil is detected in the oil sensor. The flow path of the flow path switching valve is converted into an inflow flow path for introducing backwash water, thereby backwashing the polling-urethane processing unit and Open the discharge port to discharge the oil to rise to the primary storage unit, on the contrary, if the backwash water is detected by the oil sensor, the flow path of the flow path switching valve is switched to the discharge flow path for discharging the first pretreatment water Discharging the pre-treated water and closing the oil discharge outlet to stop the oil discharge and resume the feed of the raw water inlet.

According to another embodiment of the present invention, in the oil-water separation system according to the present invention, the secondary oil-water separator is a specific gravity treatment unit for separating the primary pre-treatment water introduced from the primary oil-water separator by the specific gravity difference, and the specific gravity The polling-urethane treatment unit separating the first pretreatment water descending from the lower part of the treatment unit by polling and urethane mat adsorbing oil, and the coarse filter filtering the oil from the primary pretreatment water descending from the lower part of the polling-urethane treatment unit. Characterized in that it comprises a coarse shasa separated by.

According to another embodiment of the present invention, in the oil / water separation system according to the present invention, the secondary oil / water separator may include a primary pretreatment water inlet through which primary pretreatment water is introduced, an oil sensor for detecting an oil floated upwardly, An oil outlet for discharging the oil which has risen to the upper portion to the primary storage unit, an oil-water separation plate which prevents the oil which has risen to the top from settling down, and the oil detector being interlocked with the oil sensor and having a flow path switching valve. And an outlet opening through which the inlet flow path of the backwash water for backwashing the polling-urethane treatment unit and the outlet flow path of the second pretreatment water separated from the oil and water are selectively opened and closed, and the control unit detects an oil in the oil detector. The first pretreatment water inlet is stopped at the first pretreatment water inlet, and the flow path of the flow path switching valve is converted into an inflow passage for introducing backwash water. Backwash the coreless part and the polling-urethane treatment part and open the oil outlet to discharge the oil which floated upwards to the primary storage part. On the contrary, when the backwash water is detected by the oil sensor, the flow path of the flow path switching valve is Switching to the discharge flow path for discharging the second pretreatment water to discharge the second pretreatment water and closing the oil discharge outlet to stop the oil discharge and resume the first pretreatment water inlet of the first pretreatment water inlet.

According to another embodiment of the present invention, in the oil / water separation system according to the present invention, the third oil / water separator separates the secondary pretreatment water introduced from the secondary oil / water separator by a core filter for filtering oil. It comprises a shabu.

According to still another embodiment of the present invention, in the oil / water separation system according to the present invention, the third oil / water separator may include a secondary pretreatment water inlet through which the second pretreatment water is introduced, an oil sensor to detect the oil injured upwards, An oil discharge outlet for discharging the oil which has risen to the upper portion to the primary storage unit, and an inlet flow path of the backwash water for backwashing the coreless part by a flow path switching valve and a third pretreatment water separated from the oil And an outlet inlet at which the outlet passage of the outlet is selectively opened and closed, and the control unit stops the inlet of the second pretreatment water of the second pretreatment water inlet when the oil is detected by the oil sensor and backwashes the flow path of the flow path switching valve. Switching to the inlet flow path for inflowing to backwash the coarse shabu portion and open the oil outlet, the first oil to rise to the upper oil When the backwash water is detected by the oil detector, the flow path of the flow path switching valve is converted into a discharge flow path for discharging the third pretreatment water, discharging the third pretreatment water and closing the oil discharge port to discharge the oil. And stopping the second pretreatment water inlet at the second pretreatment water inlet.

According to another embodiment of the present invention, the oil-water separation system according to the present invention further includes an oil content concentration meter for measuring the oil content of the third pretreated water discharged through the discharge flow path of the outlet inlet of the third oil water separator. When the concentration of the oil measured by the oil concentration meter exceeds a reference value, the third pretreatment water is reintroduced into the raw water storage unit.

The present invention can achieve the following effects by the configuration, combination, and use relationship described above with the present embodiment.

The present invention provides an oil and water separation system that can be installed in a small space by placing all the components of the oil and water separation system in one container to be installed in a small space and easy to transport.

The present invention provides an oil-water separation system that can increase the oil-water separation efficiency of the raw water by allowing the oil separated and discharged in each oil-water separation step to go through the oil-water separation step again.

The present invention is designed to go through the reprocessing process if the measured concentration of oil in the final discharge step after the separation of oil water from the raw water at least three times to measure the concentration of the oil to increase the oil water separation efficiency to prevent environmental pollution Provide an oil separation system.

The present invention is designed to process the automatic separation of the adsorption method used in the adsorption method as well as the separation method and adsorption method by specific gravity in oil water separation to improve the oil-water separation efficiency and operating convenience of the system. Provide an oil and water separation system.

The present invention provides an oil-water separation system that can increase the oil-water separation efficiency by applying a method of performing the oil-water separation process in which the separation method and the adsorption method are performed in parallel at least three times.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the oil and water separation system according to the present invention will be described in detail.

1 is a partial cutaway perspective view of an oil / water separation system according to an embodiment of the present invention, FIG. 2 is a schematic diagram of an oil / water separation system according to an embodiment of the present invention, and FIG. 3 is a flow chart according to an embodiment of the present invention. 4 is a cross-sectional view of a primary oil water separator used in an oil / water separation system according to an embodiment of the present invention, and FIG. 5 is an oil / water separation system according to an embodiment of the present invention. FIG. 6 is a cross-sectional view of a third oil / water separator used in an oil / water separation system according to an embodiment of the present invention.

1 to 6, the oil-water separation system according to an embodiment of the present invention is the raw water storage unit 10 and the raw water of the raw water storage unit 10 and the raw water OW is introduced and stored primarily A primary oil water separator 20 for separating oil from water, a secondary oil water separator 30 for separating oil from the primary pre-treated water TW1 treated by the primary oil water separator 20, and the secondary oil water And a tertiary oil / water separator 40 for finally separating the secondary pretreatment water TW2 treated by the separator 30, and an oil storage unit 50 for storing oil discharged from the raw water storage unit 10. , The control unit 60 for controlling the overall operation of the system, the raw water storage unit 10, the primary oil water separator 20, the secondary oil water separator 30, the third oil water separator 40 and the oil storage The whole part 50 is installed in one container (a), it is characterized in that the mobility and space efficiency can be maximized.

The raw water storage unit 10 is a portion in which raw water OW generated from a power plant or a vessel is introduced and stored, and the primary storage unit 110 in which raw water OW is initially introduced and stored as shown in FIG. 3. ), A secondary storage unit 120 partitioned by the primary storage unit 110 and the partition wall 140, into which raw water OW of the primary storage unit 110 flows, and the secondary storage unit ( And a tertiary storage unit 130 which is divided by the partition wall 140 and the partition wall 140 and supplies raw water OW into the secondary storage unit and supplies the introduced raw water OW to the primary oil / water separator 20. The primary storage unit 110 is a steam heating unit 111 for heating the stored raw water (OW) by steam, and the oil is separated from the water floating on the upper portion as it is heated by the steam heating unit 111 It can be formed to include an oil skimmer 112 to discharge to the oil storage unit 50 by attaching.

The primary storage unit 110 is a portion in which raw water (OW) generated in a power plant or a vessel is initially introduced and stored, and raw water (OW) is introduced into one side of the primary storage unit 110, preferably, the upper side. An inlet is connected, and the secondary storage unit 120 partitioned by the partition wall 140 is adjacent to the side of the primary storage unit 110 so that the raw water OW introduced therein is the primary storage unit 110. When filling up to be higher than the height of the partition 140, it is possible to move to the secondary storage unit 120 beyond the partition 140. As described above, the raw water OW may move to the secondary storage unit 120 after a certain time delay in the primary storage unit 110 by a predetermined time delayed in the primary storage unit 110. This is to allow oil water separation by the difference in specific gravity in raw water (OW). The primary storage unit 110 includes a steam heating unit 111 for heating the stored raw water OW by steam, and an oil component separated from water as floating by the steam heating unit 111 and floating thereon. The oil skimmer 112 may be attached and discharged to the oil storage 50.

The steam heating unit 111 is a portion for heating the raw water OW stored in the primary storage unit 110 by steam, and a coil into which the steam moves is introduced into the primary storage unit 110 to be primarily stored. After circulating inside the unit 110, the first storage unit 110 may be formed out of the structure. When the stored raw water OW is heated in the primary storage unit 110 by the steam heating unit 111, the viscosity of the oil contained in the raw water OW is lowered and thus the oil and water are easily separated. Due to the difference in specific gravity, water moves down and oil flows up.

The oil skimmer unit 112 is separated from water and attaches the floating oil to the upper portion and discharges the oil into the oil storage unit 50. The oil skimmer unit 112 absorbs the oil floating on the upper portion and moves to the oil storage unit 50. Skimmer belt or the like may be utilized. That is, in the primary storage unit 110, as the stored raw water OW is heated by the steam heating unit 111, the oil is separated from the water and adsorbed on the upper side to be adsorbed using a skimmer belt. By moving to 50, only the oil can be separated and stored in the oil storage unit 50.

The secondary storage unit 120 is partitioned by the partition wall 140 at one side of the primary storage unit 110 and the raw water OW of the primary storage unit 110 is greater than or equal to the height of the partition wall 140. When it is filled up, it is introduced into the secondary storage unit 120. The third storage unit 130 partitioned by the partition wall 140 is adjacent to the side of the secondary storage unit 120 so that the raw water OW introduced into the secondary storage unit 120 fills the partition wall. When the vehicle is raised above the height of the 140, it is possible to move to the tertiary storage unit 130 beyond the partition 140.

The tertiary storage unit 130 is partitioned by the partition wall 140 at one side of the secondary storage unit 120, and the raw water OW of the secondary storage unit 120 is greater than or equal to the height of the partition wall 140. If it is filled with the third storage unit 130 is introduced. The raw water OW introduced into the tertiary storage unit 130 flows out through the outlet 160 connected to one side of the tertiary storage unit 130 and moves to the primary oil / water separator 20. In addition, an automatic level switch 131 may be attached to a predetermined height of the tertiary storage unit 130, and the automatic level switch 131 is introduced into the tertiary storage unit 130 using an optical sensor. Measuring the level of the raw water (OW) to fill up and sends a signal to the control unit 60 only when a predetermined level or more of the raw water (OW) is detected to open the outlet 160 to drain the raw water (OW), below a certain level When going down to send a signal to the control unit 60 to close the outlet 170. As such, when the automatic level switch 131 is used to automatically adjust the outflow of the raw water OW, the operation of the oil / water separation system can be adjusted according to the amount of raw water OW, thereby enabling more efficient operation.

The primary oil / water separator 20 is a portion for separating oil from the raw water OW introduced from the raw water storage unit 10 primarily, and the primary oil / water separator 20 is the third storage unit 130. Specific gravity processing unit 210 for separating the raw water (OW) flowing in by the specific gravity difference; Polling-urethane treatment unit 220 for separating the raw water (OW) falling from the lower portion of the specific gravity treatment unit 210 by the polling 221 and the urethane mat 222 to adsorb oil; Raw water inlet 240 through which raw water OW flows; An oil sensor 250 for detecting the oil injured upwards; An oil outlet 260 for discharging the oil portion floated to the upper portion to the primary storage unit 110; Oil-water separator plate 270 to prevent the oil rise to the top to settle down; The discharge flow path of the primary pretreatment water TW1 interlocked with the oil detector 250 and separated from the inflow flow path 281 of the backwash water and the oil water separated by the flow path switching valve to backwash the polling-urethane treatment unit 220 ( 282, the outlet inlet 280 is selectively opened and closed.

The specific gravity treatment unit 210 preferably connects to the raw water inlet 240 through which the raw water OW flows from the upper end of the primary oil / water separator 20, and the raw water OW introduced from the tertiary storage unit 130. ) Is separated by the specific gravity difference, the raw water (OW) introduced through the raw water inlet 240 is primarily in the specific gravity processing unit 210 while some of the fraction of the raw water (OW) by the specific gravity difference. The remaining raw water OW is lowered to the polling-urethane treatment unit 220 positioned below the specific gravity treatment unit 210.

The polling-urethane treatment unit 220 is a portion separating the raw water (OW) descending from the lower portion of the specific gravity treatment unit 210 by the polling 221 and the urethane mat 222 to absorb the oil, the polling ( 221 is capable of growing by adsorbing oil and other suspended matter passing through the polling (221) is being developed and marketed in a variety of materials such as engineering plastics, metal, porcelain or ceramics, any one of them can be used, the urethane mat 222 is formed of a urethane material to filter the oil and other suspended matter passing through it through a number of pores to maximize the effect, it is preferable to use two or more sheets of 40mm thick. The oil adsorbed and filtered through the polling-urethane treatment unit 220 may be removed by the action of backwashing water or air to float upward as described below.

The raw water inlet 240 is a portion into which the raw water OW flows from the tertiary storage unit 130, and is located at an upper end of the primary oil / water separator 20, and is linked to the oil detector 250 to control the unit. Opening and closing is made under the control of 60.

The oil detector 250 is a sensor for detecting the oil floating to the upper portion of the primary oil separator 20, an oil sensor for detecting the presence or absence of oil components may be utilized. In each case of detecting the oil component of the oil component in the oil detector 250 or detecting the backwash water other than the oil, the detection signal is transmitted to the controller 60 to control the operation of the primary oil / water separator 20. Will be utilized.

The oil outlet 260 is a portion that serves as a passage for discharging the oil injured to the upper portion of the primary oil separator 20, is linked with the oil sensor 250 is opened and closed under the control of the controller 60. In particular, the oil discharge outlet 260 is connected to the primary storage unit 110 so that the discharged oil flows back into the raw water storage unit 10 so that the oil-water separation process can be performed again, thereby maximizing the oil-water separation efficiency and the environment. Pollution can be prevented.

The oil / water separator plate 270 is installed at an upper portion of the primary oil / water separator 20, and preferably at a predetermined position in the specific gravity treatment unit 210, to prevent the oil floating above. In addition, a large number of through holes (not shown) are formed in the oil / water separator 270 to prevent the oil from settling down while allowing the raw water OW to pass therethrough.

The outlet inlet 280 is a passage through which the backwash water flows from the lower portion of the primary oil / water separator 20 and at the same time a passage through which the primary pretreatment water TW1 treated by the primary oil / water separator 20 is discharged. In conjunction with the oil sensor 250, an inflow flow path 281 of the backwash water for backwashing the polling-urethane processing unit 220 by a known flow path switching valve under the control of the controller 60, and the primary flow water The discharge passage 282 of the primary pretreatment water TW1 separated from the oil and water by the separator 20 is selectively opened and closed.

In addition, the primary oil / water separator 20 adds an air injection unit 291 for efficiently removing the oil adsorbed to the polling-urethane treatment unit 220 and an air outlet 292 for discharging the supplied air. The air injection unit 291 may control the air supplied through an air supply line (not shown) to remove the oil adsorbed to the polling-urethane treatment unit 220 through the high pressure air injection. Under the control of (60) serves to spray toward the polling-urethane processing unit 220, the air outlet 292 is introduced into the primary oil-water separator 20 through the air injection unit 291. When air is collected in the upper portion of the primary water separator 20 is a portion that becomes a passage for discharging it.

Looking in detail for the process in which the raw water (OW) in the primary oil water separator 20 is primarily separated from the oil, raw water (OW) supplied from the tertiary storage unit 130 through the raw water inlet 240 When the raw water (OW) is first stayed in the specific gravity processing unit 210, some of the oil of the raw water (OW) is raised to the top by the difference in specific gravity, and the remaining raw water (OW) is the polling-urethane processing unit 220 at the bottom To descend. The raw water (OW) descending to the polling-urethane treatment unit 220 is first passed through the polling 221 while the oil is adsorbed to the polling 221 to separate the oil and also through the urethane mat 222 The oil will be filtered out. The primary pretreatment water TW1 separated through oil through the polling-urethane treatment unit 220 is moved to the secondary oil / water separator 30 through the discharge passage 282 of the outlet inlet 280. The oil fraction separated through the above process is floated on the upper portion of the primary oil / water separator 20. When the oil detector 250 detects oil, the oil signal is transmitted to the controller 60. Receiving the control unit 60 closes the raw water inlet 240 to stop the inflow of raw water (OW) and to control the flow path switching valve of the outlet inlet 280 by the inlet flow path 281, the backwash water can be introduced In addition to the reverse washing water flows in and at the same time open the air injection unit 291 is supplied with air to remove the oil attached to the polling-urethane processing unit 220 to rise to the top and the oil discharge outlet 260 and The air outlet 292 is opened to allow the oil and air to be discharged, respectively. On the contrary, when the oil detector 250 detects the backwash water rising upward, the detection signal is also transmitted to the controller 60, and the controller 60 receives the flow path switching valve of the outlet inlet 280. Controlling is switched to the discharge flow path (281), and the air injection unit 291, the oil discharge outlet 260 and the air discharge port 292 and at the same time open the raw water inlet 240 to resume the inflow of raw water (OW) Done. The primary oil-water separator 20 for separating the oil water by such a process can efficiently wash the adsorption member used in the adsorption method as well as the parallel separation method and the adsorption method by specific gravity in the oil water separation. It is designed up to the present process, which can improve oil separation efficiency and system operation convenience.

The secondary oil / water separator 30 is a portion for separating oil from primary pretreated water TW1 treated by the primary oil / water separator 20 secondly, and the secondary oil / water separator 30 is the primary oil / water separator. A specific gravity treatment unit 310 for separating the primary pretreatment water TW1 introduced from the separator 20 by the specific gravity difference; A polling-urethane treatment unit 320 separating the primary pretreatment water TW1 descending from the lower portion of the specific gravity treatment unit 310 by polling 321 and urethane mat 322 to adsorb oil; A couresha part 330 for separating the primary pretreatment water TW1 descending from the lower portion of the polling-urethane treatment part 320 by a couresha for filtering oil; A primary pretreatment water inlet 340 through which the primary pretreatment water TW1 flows; An oil sensor 350 that detects the oil injured upwards; An oil discharge outlet 360 for discharging the oil floating above to the primary storage unit 110; Oil-water separator plate 370 to prevent the oil rise to the top to settle down; Secondary pretreatment water interlocked with the oil detector 350 and separated from the inflow passage 381 of the backwash water for backwashing the coreless part 330 and the polling-urethane treatment part 320 by a flow path switching valve And a discharge inlet 380 to selectively open and close the discharge flow path 382 of the TW2. Wherein the specific gravity treatment unit 310, polling-urethane treatment unit 320, the first pre-treatment water inlet 340, oil sensor 350, oil outlet 360, oil water separation plate 370, outlet inlet 380, The air injection unit 391 and the air discharge port 392 is the specific gravity treatment unit 210, the polling-urethane treatment unit 220, the raw water inlet 240, the oil sensor 250, the primary oil water separator 20, The oil outlet 260, the oil separation plate 270, the outlet inlet 280, the air injection unit 291 and the air outlet 292, respectively, the same configuration, the description thereof will be omitted in order to avoid duplicated materials do.

The corearsha part 330 is a lower portion of the polling-urethane treatment part 320 that separates the fraction of the first pre-treatment water (TW1) by filtering by the couresa, the corearsha is polling or It is a kind of filter that can filter fine oil that is not filtered by urethane mat. It is composed of materials such as oil adsorbent, FM MATE and WOOL GLASS, and any of commonly used Koresha products can be used. The fine oil adsorbed on the coarse is attached to each other and grows, and is removed by backwashing water to rise to the top. In this way, when the oil and water separation by the coarse portion 330 together with the separation method or the adsorption method by specific gravity can be separated even fine oil that is difficult to filter normally can maximize the efficiency of oil and water separation.

In the case where the first pretreatment water (TW1) is separated from the secondary oil / water separator (30) by flow of water, the core pretreatment water (TW1), which has passed through the polling-urethane treatment unit (320), is the core shabu (330). There is only a difference in that it goes through the oil separation process once again, and that the incoming backwash water removes even the oil attached to the coreless part 330 so that it can rise to the top. Since the same as the oil-water separation process in the primary oil-water separator 20 will be omitted to avoid duplicated.

The tertiary oil / water separator 40 is a portion for separating the secondary pre-treated water (TW2) treated in the secondary oil / water separator 30 in a third oil, and the tertiary oil / water separator 40 is the secondary oil water A couresha part 430 separating the secondary pretreatment water TW2 introduced from the separator 30 by a couresha for filtering the oil; A secondary pretreatment water inlet 440 into which the secondary pretreatment water TW2 flows; An oil sensor 450 that detects oil injured upwards; An oil outlet 460 for discharging the oil portion floated upward to the primary storage unit 110; The flow passage 482 of the third pretreatment water TW3 which is interlocked with the oil detector 450 and separated from the oil-water separated inlet flow passage 481 and the oil-water separated by the flow path switching valve for backwashing the corearsha part 430. It includes; outlet; 480 is selectively opened and closed. Here, the configuration of the corearsha part 430, the secondary pretreatment water inlet 440, the oil sensor 450, the oil outlet 460, and the outlet inlet 480 may be configured in the corearesha part of the secondary oil / water separator 30. 330, the first pretreatment water inlet 340, the oil sensor 350, the oil outlet 360 and the outlet inlet 380, respectively, the same configuration, the description thereof will be omitted in order to avoid duplicated materials. .

Looking at the process of separating the second pre-treatment water (TW2) in the third oil-water separator 40, the second pre-treated water inlet 440 through the secondary oil-water separator (30) When the pretreatment water (TW2) is introduced, the secondary pretreatment water (TW2) is lowered to the coarse portion 430 and filtered by the coarse so that the fine oil remaining in the secondary pretreatment water (TW2) is adsorbed and separated. do. The tertiary pretreatment water TW3 separated from the oil and water through the corearsha part 430 is discharged through the discharge passage 482 of the outlet inlet 480. The oil separated through this process is floated on the upper portion of the third oil / water separator 40, and when the oil detector 450 detects oil, the oil signal is transmitted to the controller 60. The received control unit 60 closes the secondary pretreatment water inlet 440 to stop the introduction of the secondary pretreatment water (TW2) and controls the flow path switching valve of the outlet inlet 480 to allow the backwash water to flow. By switching to the inflow passage 481, the backwash water is introduced to remove the oil attached to the core part 430 to float to the top, and the oil outlet 460 is opened to allow the oil to be discharged. On the contrary, when the oil sensor 450 detects the backwash water rising upward, the detection signal is also transmitted to the controller 60, and the controller 60 receives the flow path switching valve of the outlet inlet 480. The control is switched to the discharge passage 481 and the oil outlet 460 is closed, and the secondary pretreatment water inlet 440 is opened to resume the introduction of the secondary pretreatment water (TW2). The tertiary oil / water separator 40 separating the oil by this process can efficiently separate even fine oil remaining in the secondary pretreatment water (TW2) that has undergone separation and adsorption by several stages of specific gravity. In addition, it is designed to automatically clean the coarse plant, thereby improving oil-water separation efficiency and operating convenience of the system.

The oil storage unit 50 is a portion for storing the oil discharged from the raw water storage unit 10, as described above, the oil floating in the upper portion from the primary storage unit 110 of the raw water storage unit 10 It is adsorbed by the oil skimmer 112 and transported to the oil storage unit 50, the oil is stored in the oil storage unit 50. In the present invention, the oil storage unit 50 also passes through the process of heating the oil by the electric heating unit 510 once again so that only the oil that rises to the upper portion to be discharged to the oil treatment place (not shown), oil water separation To maximize efficiency.

The control unit 60 is a part for controlling the overall operation of the oil-water separation system according to the present invention, as described above, the steam heating unit 111, the oil skimmer unit 112, the automatic level of the raw water storage unit 10. It is connected to the switch 131 or the primary oil water separator 20, the secondary oil water separator 30, the third oil water separator 40, the oil storage unit 50, the oil concentration meter 70, etc. To control.

According to another embodiment of the present invention, the oil-water separation system according to the present invention is the third pre-treated water (TW3) of the discharge through the discharge passage 482 of the outlet inlet 480 of the third oil-water separator 40 Further comprising an oil concentration meter 70 for measuring the oil concentration, if the concentration of the oil measured by the oil concentration meter 70 exceeds the reference value the third pre-treated water (TW3) the raw water storage unit 10 It is characterized by re-injection to.

The oil concentration meter 70 is an oil measuring sensor for measuring the oil concentration of the tertiary pretreatment water (TW3) discharged through the discharge passage 482 of the outlet inlet 480 of the tertiary oil water separator 40. It is determined whether the amount of oil to be exceeded the reference value input in advance, and when the reference value is exceeded, the signal is transmitted to the controller 60, and the third pretreatment water TW3 is not discharged under the control of the controller 60. The raw water storage unit 10, ie, the primary storage unit 110 to be re-introduced again.

As described above, the oil concentration is measured by measuring the concentration of oil even in the final discharge stage after separating oil from raw water for at least three times while passing through the third oil / water separator (40). The separation efficiency can be increased to prevent environmental pollution.

In the above, the Applicant has described preferred embodiments of the present invention, but these embodiments are merely one embodiment for implementing the technical idea of the present invention, and any changes or modifications may be made as long as the technical idea of the present invention is implemented. Should be interpreted as being within the scope.

1 is a partial cutaway perspective view of an oil / water separation system according to an embodiment of the present invention;

2 is a schematic diagram of an oil / water separation system according to an embodiment of the present invention.

Figure 3 is a cross-sectional view of the raw water storage unit used in the oil and water separation system according to an embodiment of the present invention

Figure 4 is a cross-sectional view of the primary oil water separator used in the oil water separation system according to an embodiment of the present invention

5 is a cross-sectional view of a secondary oil / water separator used in the oil / water separation system according to an embodiment of the present invention.

Figure 6 is a cross-sectional view of the tertiary oil and water separator used in the oil and water separation system according to an embodiment of the present invention

* Description of the main symbols used in the drawings

10: raw water storage unit 20: primary oil water separator 30: secondary oil water separator

40: third oil water separator 50: oil storage unit 60: control unit 70: oil concentration meter

110: primary storage unit 111: steam heating unit 112: oil skimmer

120: secondary storage unit 130: tertiary storage unit 131: automatic level switch

140: partition 150: inlet 160: outlet

210,310: specific gravity treatment 220,320: polling-urethane 330,430: core

221,321: Polling 222,322: urethane mat

240: raw water inlet 340: primary pretreatment water inlet 440: secondary pretreatment water inlet

250,350,450: oil detector 260,360,460: oil outlet

270,370: Oil-water separator 280,380,480: Outlet

281,381,481: Inflow channel 282,382,482: Outflow channel

291,391: Air injection unit 292,392: Air outlet 510: Electric heating unit

a: container OW: raw water TW1: primary pretreatment water

TW2: 2nd pretreatment water TW3: 3rd pretreatment water

Claims (9)

Raw water storage unit for entering and storing the raw water, a primary oil water separator for separating the raw water from the raw water storage unit, and a secondary oil separation for the secondary oil separation of the primary pretreated water treated in the primary oil water separator. Oil-water separator, a tertiary oil-water separator for finally separating oil from the second pre-treated water treated in the secondary oil-water separator, an oil storage unit for storing oil discharged from the raw water storage unit, and controlling the overall operation of the system It includes a control unit, The raw water storage unit, the primary oil water separator, the secondary oil water separator, the third oil water separator and the whole oil storage unit is installed in one container, oil and water separation system, characterized in that to maximize the mobility and space efficiency. According to claim 1, wherein the raw water storage unit It is partitioned by the primary storage unit, the raw water is first introduced and stored, the secondary storage unit is partitioned by the primary storage unit and the partition wall, and the raw water flows into the primary storage unit, and the secondary storage unit and partition 2 Raw water is introduced into the secondary storage unit and includes a tertiary storage unit for supplying the introduced raw water to the primary oil-water separator, The primary storage unit includes a steam heating unit for heating the stored raw water by steam, and an oil skimmer unit which is separated from the water as it is heated by the steam heating unit and attaches the floating oil to the upper portion to discharge the oil into the oil storage unit. Oil and water separation system, characterized in that. The method of claim 2, wherein the primary oil and water separator It includes a specific gravity processing unit for separating the raw water flowing from the tertiary storage unit by the difference in specific gravity, and polling-urethane processing unit for separating the raw water falling from the lower portion of the specific gravity processing unit by the polling and the urethane mat to adsorb oil Oil and water separation system characterized by. The method of claim 3, wherein the primary oil and water separator Raw water inlet to the raw water, oil sensor to detect the oil injured to the upper portion, oil outlet for discharging the oil to rise to the primary storage unit, and the oil to rise to prevent the down An inlet and outlet for interlocking with an oil-water separator and the oil detector and selectively opening / closing the inlet flow path of the backwash water for backwashing the polling-urethane treatment part by the flow path switching valve and the discharge flow path of the primary pretreatment water separated from the oil water Additionally, The control unit When the oil is detected by the oil detector, the raw water inflow is stopped at the raw water inlet, the flow path of the flow path switching valve is converted into an inflow path for introducing backwash water, and the polling-urethane treatment unit is backwashed to open the oil outlet. To discharge the oil rises to the primary storage, On the contrary, when the backwash water is detected by the oil detector, the flow path of the flow path switching valve is converted into a discharge flow path for discharging the first pretreatment water, thereby discharging the first pretreatment water, closing the oil discharge port, and stopping the oil discharge. Oil-water separation system, characterized in that to resume the inflow of raw water. The method of claim 3, wherein the secondary oil water separator Specific gravity treatment unit for separating the primary pre-treatment water flowing from the primary oil water separator by the specific gravity difference, polling for separating the primary pre-treatment water descending from the lower portion of the specific gravity treatment unit by the adsorption and urethane mat- And a urethane treatment portion for separating the urethane treatment portion and the primary pretreatment water descending from the lower portion of the polling-urethane treatment portion by a couresha for filtering oil. The method of claim 5, wherein the secondary oil water separator The first pretreatment water inlet to which the first pretreatment water flows, the oil sensor to detect the oil injured upwards, the oil outlet to discharge the oil injured upwards to the primary reservoir, and the oil injured upwards Oil-water separator to prevent sedimentation, and the oil flow detector interlocked with the oil sensor and the flow path switching valve for backwashing the core and the polling-urethane treatment unit inlet flow path and discharge of the secondary pre-treated water separated Further comprising an outlet opening through which the flow path is selectively opened and closed, The control unit When the oil is detected by the oil detector, the first pretreatment water inlet of the first pretreatment water inlet is stopped and the flow path of the flow path switching valve is converted into an inlet flow path for inflowing backwash water. Backwashing and opening the oil outlet to discharge the oil floating up to the primary storage, On the contrary, when the backwash water is detected by the oil detector, the flow path of the flow path switching valve is converted into a discharge flow path for discharging the second pretreatment water to discharge the second pretreatment water, and the oil discharge port is closed to stop the oil discharge. Oil-water separation system, characterized in that to restart the first pre-treatment water inlet of the pre-processing water inlet. The method of claim 5, wherein the third oil and water separator Oil-separation system comprising a coarse portion for separating the secondary pre-treatment water flowing from the secondary oil-water separator by the coarse filter for filtering the oil. The method of claim 7, wherein the third oil and water separator Second pretreatment water inlet to which the second pretreatment water flows, an oil sensor to detect the oil injured upwards, an oil outlet to discharge the oil injured to the primary storage unit, interlocked with the oil sensor and flow path switching And an outlet inlet for selectively opening and closing the inlet flow path of the backwash water and the outlet flow path of the oil-separated third pretreatment water for backwashing the coresure part by a valve, The control unit When the oil is detected by the oil sensor, the second pretreatment water inlet of the second pretreatment water inlet is stopped, and the flow path of the flow path switching valve is converted into an inflow channel for introducing backwash water to backwash the coreless part and the oil. Open the discharge port to discharge the oil floating in the upper portion to the primary reservoir, On the contrary, when the backwash water is detected by the oil detector, the flow path of the flow path switching valve is converted into a discharge flow path for discharging the third pretreatment water, discharging the third pretreatment water, closing the oil discharge port, and stopping the oil discharge. Oil-water separation system, characterized in that to resume the second pre-treatment water inlet of the pre-processing water inlet. The oil water separation system of claim 8, wherein Further comprising an oil concentration meter for measuring the oil concentration of the third pre-treated water discharged through the discharge flow path of the outlet inlet of the third oil water separator, When the concentration of the oil measured by the oil concentration meter exceeds the reference value, the oil-water separation system, characterized in that the third pre-treated water flows back into the raw water storage.

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