JP3368426B2 - Floating oil automatic recovery device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floating oil automatic recovery device for automatically circulating and recovering only waste oil from wastewater containing waste oil which flows in from a sink of a kitchen or the like.

[0002]

2. Description of the Related Art A conventional device for recovering only waste oil uses a recovery tank, which is also called a grease trap, to collect solid waste such as garbage from wastewater containing waste oil, which flows from a sink in a kitchen through an inlet. A collection basket for collecting the waste is provided, the collection basket is partitioned by a protective net, the floating waste oil flowing out from the protective net is stored, the floating waste oil is manually pumped out and collected, and the stored turbid water The purified water stored in the lower portion after the waste oil was collected was drained through a pipe communicating from the vicinity of the lower portion to the drain port in the upper portion.

Although a conventional device for recovering only waste oil has not been used much, there is a means for mechanically removing it from a recovery tank, for example, a "belt type oil-water separation and recovery device" described in JP-A-11-114560. The scraper that scrapes the adsorbed oil is equipped with a belt that has an oil adsorbing part on its outer surface.

[0004]

In a conventional device for collecting only waste oil, it is troublesome, the collection rate is low, and the cost is high when the floating waste oil is manually pumped and collected manually using a collection tank. In addition, there was a problem that bad odor, clogging of pipes, complicated cleaning work, and residual waste oil flowing out to the environment together with drainage, causing pollution of rivers and the sea, and deterioration of the global environment.

In a conventional device for collecting only waste oil,
Mechanically removing means such as the "belt type oil / water separation and recovery device" described in JP-A-11-114560 is complicated in device,
Maintenance was difficult and there was a problem that a high recovery rate could not be expected.

[0006]

In order to solve the above problems, the floating oil automatic recovery system of the present invention pumps up cloudy water containing waste oil floating in the upper part of a recovery tank by using a pump. A means for pumping the turbid water containing the waste oil to the upper part of the device main body through the pumping pipe using the pumping means to disperse the turbid water in the vicinity of the middle of the height of the separation tower inside the device main body is provided. Then, the waste oil containing the turbid water that stays in the separation tower floats up to form waste oil that floats and accumulates on the upper part of the separation tower for a long time, and waste oil inspection means for checking the floated waste oil and recovery of the waste oil Means for storing purified water having a small amount of waste oil in the lower part of the separation tower, and means for pumping the accumulated purified water from the lower part of the separation tower to the upper part of the purification tower inside the apparatus main body, Return to the recovery tank through the water purification pipe that discharges the purified water from the lower part of the purification tower Characterized in that using a continuous automatic circulation recovery means floating waste oil.

In the floating oil automatic recovery apparatus of the present invention, it is possible to have a heating means for heating and melting the waste oil floated and accumulated on the upper part of the separation tower for a long time at a predetermined temperature.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An automatic floating oil recovery system according to claim 1 of the present invention has an apparatus main body in which the inside of a container having an open upper part is divided into a separation tower and a purification tower by a separation barrier. However, the cross section of the separation blocking wall is obliquely inclined from the vicinity of the upper part of the central part of the main body of the device and blocks the main part of the device in the vicinity of the middle part of the height, and the purification tower including only the divided upper volume and the lower volume. It forms the separation tower that also contains wastewater, and collects raw garbage and the waste oil from wastewater containing waste oil that flows in from the sink of a food processing company, restaurant, etc. The apparatus has a pumping means for pumping the turbid water containing the waste oil floating in the upper part of the tank by using a pump, and using the pumping means, the turbid water containing the waste oil is pumped through a pumping pipe, Water is pumped up to the upper part of the main body and near the middle of the height of the separation tower. And means for dispersing effluent turbidity water,
The waste oil containing the turbid water that stays in the separation tower floats to form waste oil that floats and accumulates on the upper part of the separation tower for a long time, and a waste oil inspection means that checks the floated waste oil and a waste oil recovery means that collects the waste oil. Purified water having a small amount of waste oil is retained in the lower part of the separation tower, and means for pumping the accumulated purified water from the lower part of the separation tower to the upper part of the purification tower is provided. It is characterized in that it has control means for controlling the various means by continuously and automatically collecting the floating waste oil by returning it to the recovery tank through a purified water pipe for discharging purified water.

In the floating oil automatic recovery apparatus according to claim 2 of the present invention, it is possible to have a heating means for heating and melting the waste oil that has floated and accumulated for a long time on the upper part of the separation tower, and the heating means. As a means, it is possible to dispose a heater having a resistance heating wire whose temperature can be adjusted by a thermostat in the floating deposition waste oil portion and to provide a control means for adjusting the temperature to a predetermined temperature. Even when collecting the floating deposition waste oil, It has the effect of reducing the residual waste oil adhering to the inside of the separation tower and increasing the recovery rate.

In the automatic floating oil recovery system of the present invention, as a pumping means, a disk-shaped edge is provided at the pumping inlet, the edge is installed in the vicinity of the surface depth of the collecting tank, and downward from the pumping inlet. The turbid water containing waste oil can be sucked using a pump, and a submersible stationary pump can be installed inside the recovery tank as the pump, and the pump can be operated manually or automatically by the control means. You can also do

In the floating oil automatic recovery apparatus of the present invention, as means for dispersing and discharging waste oil turbid water near the middle of the height of the separation tower, turbid water containing waste oil is pumped to the upper part of the apparatus main body through a pump pipe, The turbid water is introduced near the middle of the height of the separation tower from the upper part of the purification tower through the internal water supply pipe that seals and penetrates the separation barrier wall from top to bottom, and the stop part is provided in front of the outlet of the internal water supply pipe. It is also possible to arrange a disperser so as to ensure the dispersion outflow from the outlet in the horizontal direction, and to provide a discharge port having a discharge valve at the lower part of the separation column to perform the separation in the cleaning and maintenance of the separation column. It can be used for draining work inside the tower, and the outlet of the drain valve can be connected to a water purification pipe.

In the automatic flotation oil recovery system of the present invention, as a waste oil inspection means for inspecting the floating accumulated waste oil that has been floated and accumulated on the upper part of the separation column for a long time, the separation column side wall at the upper position near the outlet of the internal water pipe is It is also possible to arrange an inspection window that has a sealed glass window that can be seen through.

In the floating oil automatic recovery apparatus of the present invention, as a waste oil recovery means for recovering the floating accumulated waste oil floated and accumulated on the upper portion of the separation tower for a long time, the waste oil recovery means is provided on the side wall of the separation tower in the downward direction near the inspection window installation height. Is provided with an open step, and below the step,
A waste oil recovery valve for recovering the floating accumulated waste oil may be provided, and only when the accumulation of the floating accumulated waste oil is confirmed from the inspection window, the waste oil recovery valve is opened to allow the floating accumulated waste oil to flow downward. It is also possible to use a control means that collects using a waste oil receiver or the like and uses a recovery valve position detector that works in conjunction with opening of the waste oil recovery valve, and stops the pumping pump during recovery work.

In the floating oil automatic recovery system of the present invention, as a means for pumping purified water retained in the lower part of the separation tower from the lower part of the separation tower to the upper part of the purification tower, the separation barrier is sealed from the lower part to the upper part of the separation tower. The purified water can be automatically pumped up to the upper part of the purification tower by water pressure through the penetrating internal drainage pipe, and the purified water can be introduced into the purification tower. Also, near the upper part of the purification tower, the water level of a float switch, etc. It is also possible to use a detector to detect excess water level and use it as a control means such as an alarm display and stopping of the pump.

In the automatic floating oil recovery apparatus of the present invention, solid waste such as raw garbage is recovered from waste water containing waste oil, which flows into a recovery tank, also called a grease trap, from a sink of a kitchen through an inlet. A recovery basket is installed, the recovery basket is partitioned by a protective net, and a pumping pump with a pumping suction port is installed in the stored turbid water containing floating waste oil flowing out from the protective net. The floating waste oil is automatically collected by the floating oil. The water is pumped up to the upper part of the main body of the device, and is returned to the upper part of the recovery basket of the recovery tank through the water purification pipe for discharging the purified oil from the lower part of the purification tower of the main part of the device, and communicated with the drain port of the upper part from the lower part of the stored turbid water. It is also possible to have a structure in which purified water from which the waste oil has been collected is drained through a pipe to be introduced.

In the automatic flotation oil recovery system of the present invention, the suspended cloudy water containing the flotation waste oil is automatically circulated continuously from the recovery tank for a long time, and the flotation waste oil is floated and deposited on the upper part of the separation tower for a long time. Since it has a waste oil recovery means for recovering the waste oil, it has the effect of increasing the recovery rate and the effect of significantly reducing the waste oil component contained in the wastewater from the recovery tank to the natural environment.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In an embodiment of the present invention, FIG. 1 is a sectional view showing a used state of a floating oil automatic recovery device, a partial cutaway main part sectional view, and FIG. , And FIG. 3 is a partially cutaway plan view thereof.

An embodiment of the present invention will be described below with reference to the drawings. In the floating oil automatic recovery device, as shown in the usage mechanism diagram of FIG. The device has a device body (1) which is divided into a separation tower (1a) and a purification tower (1b), and the cross section of the separation blocking wall is inclined obliquely from the vicinity of the upper part of the central part of the device body and has an intermediate height. The main body of the device is shut off in the vicinity of the part, and the purification tower containing only the upper volume divided into two parts and the separation tower containing the lower volume are formed. From the sink (4) of the kitchen such as a food processor or a restaurant. Waste oil (6) flowing in through the inlet (3a)
Pumping means for collecting raw garbage and waste oil from wastewater containing water, which is also referred to as a grease trap, and is used to pump up turbid water containing the waste oil floating above the recovery tank (3) using a pump (2). Using the pumping means, the cloudy water containing the waste oil is pumped up to the upper part of the apparatus main body through the pumping pipe (2b), and the cloudy water is dispersed and flown out near the middle of the height of the separation tower. The waste oil containing the turbid water, which stays in the separation tower, floats, forms waste oil floated and accumulated on the upper part of the separation tower for a long time, and inspects the floated waste oil. And a means for collecting purified water having a small amount of waste oil in the lower part of the separation tower and pumping the accumulated purified water from the lower part of the separation tower to the upper part of the purification tower.
It is characterized in that it has a control means for controlling various means by returning it to the recovery tank through a purified water pipe (2c) for discharging the purified water from the lower part of the purification tower and continuously controlling various means.

In the floating oil automatic recovery system of the present invention, it is possible to have a heating means for heating the waste oil floated and accumulated for a long time on the upper part of the separation tower (1a) to a predetermined temperature. And, as shown in FIG. 2, it has a resistance heating wire of 800 W, which can be temperature-controlled by a thermostat. The heater (15) is installed in the floating accumulated waste oil portion, and the control box (1
7) A control means for manually adjusting the temperature to about 40 ° C. was provided from the front control panel (17a).

In the floating oil automatic recovery system of the present invention, as a pumping means, as shown in the mechanism diagram of FIG. 1, a pumping inlet (2a) is provided with a disc-shaped edge, and the edge is provided with a recovery tank (3). Installed near the surface depth of the pump, and sucking the turbid water containing the waste oil (6) downward from the pumping water suction port using the pumping pump (2), and as the pumping pump, inverter control inside the recovery tank A large-scale pumping pump (maximum pumping rate: 140 l / min) or a small large-volume pumping pump (maximum pumping rate: 100 l / min) of the submersible type is installed to deal with the waste oil concentration of the turbid water. From the control panel (17a) in front of the control box (17), the pumping pump was manually / automatically switched by the control means.

In the floating oil automatic recovery system of the present invention, as means for dispersing waste oil turbid water near the middle of the height of the separation tower (1a), as shown in FIGS. 1 and 2, turbid water containing waste oil is used. Through the pumping pipe (2b) to the upper part of the apparatus body (1), and an internal water supply pipe (10) that seals and penetrates the separation barrier (1c) from the upper part of the purification tower (1b) to the lower part.
Through, the turbid water is introduced near the middle of the height of the separation tower,
A disperser (10) having a stopper in front of the outlet of the internal water pipe.
a) is provided to secure the dispersion and outflow from the outlet in the horizontal direction, and a discharge port (12) having a discharge valve (12a) is provided in the lower part of the separation column to clean and maintain the separation column. The discharge valve outlet was connected to the water purification pipe (2c).

In the automatic flotation oil recovery system of the present invention, as a waste oil inspection means for inspecting the floating sediment waste oil which has been floated and accumulated on the upper part of the separation column (1a) for a long time, as shown in FIGS. (10) An inspection window (16) having a sealed glass window that can be seen through from the outside was provided on the side wall of the separation column at the upper position near the outlet.

In the automatic flotation oil recovery system of the present invention, as a waste oil recovery means for recovering the floating accumulated waste oil that has floated and accumulated on the upper part of the separation column (1a) for a long time, as shown in FIGS. Near the side wall inspection window (16) installation height,
A step having an open downward direction is provided, and a waste oil recovery valve (13) for recovering the floating accumulated waste oil is disposed below the step. After confirming the accumulation of the floating accumulated waste oil from the inspection window, the waste oil recovery valve is opened. Using the recovery valve position detector (13a), which is made to flow out the floating accumulated waste oil in the downward direction, is recovered by using a waste oil receiver (5), etc., and which is interlocked when the waste oil recovery valve is opened,
A control means was used in which the pumping pump (2) was stopped during the recovery work.

In the floating oil automatic recovery system of the present invention, as means for pumping purified water retained in the lower part of the separation tower (1a) from the lower part of the separation tower to the upper part of the purification tower (1b), a separation barrier wall is provided from the lower part of the separation tower. Through an internal drainage pipe (11) that penetrates (1c) from bottom to top, water is automatically pumped to the vicinity of the upper part of the purification tower by water pressure, the purified water is introduced into the purification tower, and the purified water is supplied from the lower portion of the purification tower. Purified water is returned to the recovery tank (3) through the pipe (2c), and a water level detector (14) such as a float switch is provided near the upper part of the purification tower to detect an excessive water level and display an alarm / pumping water. It was used as a control means for stopping the pump (2).

In the automatic floating oil recovery apparatus of the present invention, the recovery tank (3) also called a grease trap is, as shown in the usage mechanism diagram of FIG. 1, from a sink (4) of a food processing company, a restaurant or the like. A collection cage (3d) is provided for collecting solid waste such as raw garbage from the wastewater containing the waste oil (6) which flows in through the inflow port (3a), and the collection cage is partitioned by a protective net (3c). Installing a pumping pump (2) having a pumping suction inlet (2a) in the stored turbid water containing the floating waste oil (6) flowing out from the protective net, and collecting the floating waste oil to the upper part of the floating oil automatic recovery device body (1) It is pumped up and returned to the upper part of the recovery basket of the recovery tank for continuous automatic circulation recovery through the water purification pipe (2c) that discharges the waste oil recovered purified water from the lower part of the device main purification tower, and the upper part from the vicinity of the stored turbid water lower part Through the pipe that is introduced into the drainage port (3b) of the Has a structure for draining purified water was collected waste oil.

In the automatic flotation oil recovery apparatus of the present invention, the apparatus main body (1) adopts a total capacity: 80 l and a height: 1 m, and the flotation waste oil is floated and deposited on the upper part of the separation column (1a) for a long time. The capacity of about 20 l was adopted.

[0027]

The present invention is carried out in the form as described above and has the effects as described below.

The automatic flotation oil recovery system of the present invention automatically circulates the stored turbid water containing the flotation waste oil continuously for a long time from the recovery tank, and floats and accumulates the waste oil floated on the upper part of the separation tower for a long time. Since there is a waste oil recovery means for recovery, it has the effect of increasing the recovery rate, and therefore has the effect of significantly reducing the waste oil components contained in the wastewater from the recovery tank to the natural environment.

The automatic flotation oil recovery system of the present invention can also have a heating means for heating and melting the waste oil that has floated and accumulated on the upper part of the separation tower for a long time at a predetermined temperature. It has an effect of reducing the residual waste oil adhering to the inside of the separation tower and further increasing the recovery rate.

The automatic flotation oil recovery system of the present invention automatically circulates the stored turbid water containing the flotation waste oil continuously for a long time from the recovery tank, and floats and deposits the waste oil floatingly deposited on the upper part of the separation tower for a long time. It has a high recovery rate of waste oil recovery means that collects only when it is confirmed, so it does not take time, is easy to maintain, and can be downsized.
The clogging of piping etc. is greatly reduced and the cleaning work is simplified.
In addition, waste oil does not flow out into the environment together with drainage, and it has the effect of significantly reducing factors such as pollution of rivers and the sea, and deterioration of the global environment.

[Brief description of drawings]

FIG. 1 is a partially cutaway main part sectional view showing a usage state of an automatic floating oil recovery system according to an embodiment of the present invention.

FIG. 2 is a partially cutaway front view of the floating oil automatic recovery system according to an embodiment of the present invention.

FIG. 3 is a partially cutaway plan view of the floating oil automatic recovery system according to an embodiment of the present invention.

[Explanation of symbols]

1 device body 1a Separation tower 1b Purification tower 1c Separation barrier 2 Pumping pump 2a Pumping inlet 2b Pumping pipe 2c water purification pipe 3 collection tanks 3a Inlet 3b outlet 3c protective net 3d collection basket 4 sink 5 Waste oil receiver 6 waste oil 7 stand 10 Internal water pipe 10a disperser 11 Internal drainage pipe 12 outlet 12a discharge valve 13 Waste oil recovery valve 13a Recovery valve position detector 14 Water level detector 15 heater 16 Inspection window 17 control box 17a Control panel

Claims (2)

(57) [Claims] 1. An apparatus main body (1) divided into a separation tower (1a) and a purification tower (1b) by a separation barrier (1c) inside a container having an open upper part, and the separation barrier (1). The cross section of the device is inclined obliquely from near the upper part of the central part of the device main body, shuts off the main part of the device near the middle part of the height, and the purification column containing only the divided upper volume and the separation column also containing the lower volume. Which collects raw garbage and waste oil from wastewater containing waste oil (6) that flows from the sink (4) of the kitchen through the inflow port (3a). )
A pumping means (2) for pumping the turbid water containing the waste oil floating in the upper part of the pump, and the turbid water containing the waste oil is pumped using the pumping means (2b). After that, there is a means for pumping up to the upper part of the main body of the device, and for dispersing and flowing out the turbid water near the middle of the height of the separation tower, and inspecting the floating sediment waste oil that has been floated and accumulated on the upper part of the separation tower for a long time. A means for inspecting waste oil and a means for collecting waste oil for collecting, and means for pumping the accumulated purified water in the lower part of the separation tower from the lower part of the separation tower to the upper part of the purification tower, and discharging the purified water from the lower part of the purification tower An automatic flotation oil recovery device characterized by having control means for continuously and automatically circulating and recovering the floating waste oil by returning it to the recovery tank via the water purification pipe (2c). 2. The automatic flotation oil recovery apparatus according to claim 1, wherein the separation column (1a) has a heating means for heating and melting the waste oil that has been floated and accumulated on the upper portion for a long time to a predetermined temperature. .