JP4580615B2 - Waste oil processing and recycling system and waste oil processing and recycling system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a waste oil processing and recycling method and a waste oil processing and recycling device.
[0002]
[Prior art]
Kerosene, light oil, naphtha, and the like, which have become waste oil, are collected by, for example, a tank truck, and such waste oil is incinerated (see Patent Document 1).
[0003]
[Patent Document 1]
JP-A-8-261437 (first to third pages, FIGS. 1 to 6)
[0004]
[Problems to be solved by the invention]
Thus, the recovered waste oil was incinerated and disposed of, and was not recycled and wasted resources.
[0005]
The present invention has been made in view of such circumstances, and waste oil processing and recycling methods and waste oil that can be recycled as waste fuel oil oil such as kerosene, light oil, and naphtha, and waste as low-calorie auxiliary fuel An object of the present invention is to provide a processing and recycling apparatus.
[0006]
[Means for Solving the Problems]
In order to solve the above-described problems and achieve the object, the present invention is configured as follows.
[0007]
The invention according to claim 1 is a filtration step of filtering impurities mixed in waste oil;
Has, a mixing step of obtaining a reproduced fuel oil by mixing the reclaimed oil and mixtures clean oil which the impurities have been removed,
In the mixing step, the mixture is oil mud, multi-oil waste water, small oil waste water, grease, wax,
The impurities are mixed to match the target caloric value by selecting a plurality of said mixture in response to the cleaning fluid that has been removed, mixed and stirred with reclaimed oil after this mixing,
The grease or the wax is heated and dissolved, and then mixed,
When there is a difference from the target calorie value, the waste oil treatment recycling method is characterized by selecting and mixing a plurality of the mixtures again so that the target calorie value is obtained by returning to the mixing of the mixture. is there.
[0008]
According to the first aspect of the present invention, the impurities mixed in the waste oil are filtered, and the regenerated oil and the mixture are mixed with the clean oil from which the impurities are removed to obtain the regenerated fuel oil. It can be used effectively without wasting resources, such as shipping oil as a product and incinerating waste oil. In addition, combustible waste that is industrial waste can be recycled as low-calorie auxiliary oil. Moreover, by selecting and mixing oil mud, drainage of a large amount of oil, drainage of small oil, grease, and wax, mixing can be performed so as to meet the target calorie value. In addition , grease or wax may not be mixed with other liquid materials, so it is easy to dissolve and mix. adjust.
[0011]
The invention according to claim 2, in the filtration step, a waste oil disposal recycling method according to claim 1, wherein the upper gel sequentially filtration accuracy waste oil in a plurality of stages.
[0012]
According to the second aspect of the present invention, by increasing the filtration accuracy of the waste oil in a plurality of stages in the filtration step, it is possible to remove fine impurities and obtain a high quality clean oil.
[0013]
The invention according to claim 3, in the filtration step, a waste oil disposal recycling method according to claim 1, characterized in that circulating clean oil.
[0014]
According to the third aspect of the present invention, the cleaning oil is circulated in the filtration step, so that even fine impurities can be removed and a high-quality cleaning oil can be obtained.
[0015]
The invention according to claim 4, wherein in the mixing step, according to claim 1, wherein the mixing to determine the mixing amount of the recycled oil and the mixture in accordance with the clean oil from which impurities are removed Waste oil treatment and recycling method .
[0016]
According to the invention described in claim 5, in the mixing step, the regenerated fuel oil whose viscosity is made constant by determining the mixing amount of the regenerated oil and the mixture in accordance with the clean oil from which impurities have been removed is mixed. It is possible to produce a regenerated fuel oil that is easy to burn by mixing with a low-calorie incinerated product.
[0022]
The invention according to claim 5 includes a filter for filtering impurities mixed in the waste oil, and a mixer for mixing the regenerated oil and the mixture with the clean oil from which the impurities are removed to obtain a regenerated fuel oil. ,
In the mixer, the mixture is oil mud, multi oil drainage, small oil drainage, grease, and wax,
The grease or with a high-temperature dissolution apparatus for dissolving by heating the wax, by selecting a plurality of said mixture is mixed to match the target caloric value in accordance with the clean oil that the impurities have been removed, the mixture After mixing with regenerated oil and stirring,
When there is a difference from the target calorie value, the waste oil treatment recycling apparatus is characterized in that the mixture is selected again and mixed so as to return to the mixture of the mixture and become the target calorie value. is there.
[0023]
According to the fifth aspect of the present invention, the impurities mixed in the waste oil are filtered, and the regenerated oil and the mixture are mixed with the clean oil from which the impurities are removed to obtain the regenerated fuel oil. It can be used effectively without wasting resources, such as shipping oil as a product and incinerating waste oil. In addition, combustible waste that is industrial waste can be recycled as low-calorie auxiliary oil. Moreover, by selecting and mixing oil mud, drainage of a large amount of oil, drainage of small oil, grease, and wax, mixing can be performed so as to meet the target calorie value. In addition , grease or wax may not be mixed with other liquid materials, so it is easy to dissolve and mix. adjust.
[0026]
A sixth aspect of the present invention is the waste oil processing and recycling apparatus according to the fifth aspect, wherein a plurality of the filters are disposed so as to sequentially increase the filtration accuracy of the waste oil in a plurality of stages.
[0027]
According to the sixth aspect of the present invention, it is possible to remove fine impurities and to obtain high-quality clean oil by sequentially increasing the filtration accuracy of waste oil in a plurality of stages.
[0028]
The invention according to claim 7, wherein the mixer of claim 5, wherein the mixing to determine the mixing amount of the recycled oil and the mixture in accordance with the clean oil from which impurities are removed This is a waste oil processing and recycling system.
[0029]
According to the seventh aspect of the present invention, the impurities mixed in the waste oil are filtered, and the regenerated fuel oil is obtained by mixing the regenerated oil and the mixture with the clean oil from which the impurities have been removed. It can be used effectively without wasting resources, such as shipping oil as a product and incinerating waste oil.
[0035]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the waste oil processing and recycling method and the waste oil processing and recycling apparatus of the present invention will be described with reference to the drawings. However, the present invention is not limited to this embodiment.
[0036]
FIG. 1 is a schematic diagram of a waste oil processing and recycling method and a waste oil processing and recycling device. The waste oil processing and recycling method 1 of this embodiment includes a filtration step A, a storage step B, and a mixing step C.
[0037]
In the filtration step A, impurities mixed in the waste oil are filtered. In the filtration step A, a filtration pump P1 and a filtration chamber 10 are arranged. Kerosene, light oil, naphtha, and the like that have become waste oil are collected by the tank truck 2, connected to the receiving port 11, and sent to the filtration chamber 10 through the supply path 12 by a pump installed in the tank truck 2. In this supply path 12, a filtration pump P1 and valves V1 to V3 are arranged.
[0038]
When the waste oil collected by the tank truck 2 is stored in an underground storage tank, the filtration pump P1 may or may not be used. When the filtration pump P1 is not used, the valves V1 and V3 are closed, the valve V2 is opened, and the waste oil is sent by the pump installed in the tank truck 2 without driving the filtration pump P1. When the filtration pump P1 is used, the valve V2 is closed, the valves V1 and V3 are opened, and the filtration pump P1 is driven.
[0039]
In the filtration chamber 10, an automatic strainer F1, filters F2 and F3 are arranged, and valves V4 to V8 are further arranged. In addition, pressure gauges PG1 and PG2 are arranged before and after the filtration chamber 10, and a pressure gauge PG3 is arranged between the automatic strainer F1 and the filter F2, and between the filter F2 and the filter F3. A pressure gauge PG4 is arranged.
[0040]
The automatic strainer F1 extends and protects the durability of the filter media of the filters F2 and F3. Further, the filters F2 and F3 filter impurities of waste mixed in the waste oil and regenerate them into clean oil. The pressure gauges PG1 to PG4 measure the clogged state of the filter material of the automatic strainer F1 and the filters F2 and F3. That is, when the pressure difference between the pressure gauges PG1 and PG3 (hereinafter referred to as differential pressure) increases, the automatic strainer F1 becomes clogged. When the pressure difference between the pressure gauge PG3 and the pressure gauge PG4 increases, the filter F2 becomes clogged. When the pressure difference between the pressure of PG4 and the pressure gauge PG2 increases, the filter F3 is clogged. When the clogged state of the filter media of the filters F2 and F3 is measured, the filter media is replaced.
[0041]
The filter medium of the filter F2 is exchanged with the valves V4 and V5 closed, and the filter medium of the filter F3 is exchanged with the valves V5 and V6 closed. Further, the valve V7 is opened to discharge the drain of the filter F2, and the valve V8 is opened to discharge the drain of the filter F3.
[0042]
In this embodiment, the filtration step A includes an automatic strainer F1, filters F2 and F3, the filter material of the filter F2 is made smaller than the filter material of the filter F2, and the waste oil is sequentially filtered in multiple stages. By raising the value, it is possible to remove fine impurities and obtain a high quality cleaning oil.
[0043]
In the storage process B, an underground storage tank 20 is provided, and the cleaning oil from which impurities such as garbage mixed in the filtration process A are removed is stored before being sent to the mixing process C. The underground storage tank 20 is divided into three sections by middle partitions 21 and 22. Valves V10 and V11 are provided before and after the compartment 20a, valves V12 and 13 are provided before and after the compartment 20b, and valves V14 and 15 are provided before and after the compartment 20c. The clean oil, light oil clean oil, and naphtha clean oil are separated and stored in the compartments 20a, 20b, and 20c. The compartments 20a, 20b, and 20c are provided with oil level gauges 23 to 25, and display the storage amount. further,
The underground storage tank 20 is provided with an air vent 26, which releases natural vaporized material and maintains the inside of the underground storage tank 20 at normal pressure.
[0044]
The cleaning oil stored in the underground storage tank 20 is sent by the transfer path D. The transfer path D includes a transfer pump P2, valves V30 to V34, and a flow meter FM1. Cleaning oil stored in the underground storage tank 20 is shipped by closing the valve V34, opening the valve V33, and driving the transfer pump P2.
[0045]
On the other hand, the clean oil stored in the underground storage tank 20 is sent to the mixing step C by closing the valve V33, opening the valve V34, and driving the transfer pump P2.
[0046]
The valve V33 and the valve V34 constitute switching means for switching between a route to be sent to the mixing step C and a route to be shipped without being sent to the mixing step C.
[0047]
Moreover, in this embodiment, the circulation path E which circulates cleaning oil in the filtration process A can be provided. The circulation path E is provided with valves V40 and V41. The valves V40 and V41 are opened, the valves V32 and V4 are closed, and the transfer pump P2 is driven to filter the clean oil stored in the underground storage tank 20. It is transferred to the front stage of the vessel F2. In this way, by circulating the cleaning oil in the filtration step A, it is possible to remove fine impurities and obtain a high-quality cleaning oil.
[0048]
The flow meter FM1 is an integrated display with zero return, and the mixing amount in the mixing step C is, for example, an appropriate amount of 10% of the regenerated oil. In order to measure the amount of mixture, a record of the amount of mixture is created by attaching an integrated display to the flow meter FM1.
[0049]
In the mixing step C, the mixer 30 is arranged, and the recycled oil is obtained by mixing the recycled oil and / or the high-viscosity oil as a mixture with the clean oil from which impurities are removed. The mixer 30 includes a stirrer 31, an air vent 32, and an oil level gauge 33. The stirrer 31 is forcibly stirred so that the regenerated oil, the high-viscosity oil, and the clean oil are mixed well. The air vent 32 discharges naturally vaporized material and maintains the inside of the mixer 30 at normal pressure. The oil level gauge 33 measures the mixing amount of the regenerated oil and the high viscosity oil, and displays the storage amount of the regenerated fuel oil.
[0050]
The high-viscosity oil is dissolved and mixed with a special high-temperature melting device 40 (heated with steam). High-viscosity oil (including solid oil) may not be completely mixed with other liquid substances in the mixer 30, so it is easy to dissolve and mix with the high-temperature dissolving device 40, and after mixing, it is granular in the liquid. Prevents returning to solid. This high-viscosity oil is not suitable as a normal fuel, such as high-viscosity fats and oils such as grease and wax, and melts and adjusts viscosity by applying temperature.
[0051]
In this mixing step C, the mixing amount of the regenerated oil and the high viscosity oil is determined and mixed according to the clean oil from which impurities are removed, and a regenerated oil whose viscosity is made constant in this mixing step C is manufactured. It is possible to produce a regenerated fuel oil that is easy to burn by mixing with an incinerated product.
[0052]
The regenerated fuel oil stored in the mixer 30 is sent through the shipping route F. In the shipping path F, a shipping pump P3, a flow meter FM2, and valves V50 to V52 are arranged. The valve V51 is closed, the valves V50 and V52 are opened, and the shipping pump P3 is driven so that the regenerated fuel oil is loaded into the tank truck 2 and delivered to the customer through the tank truck 2. The flow meter FM2 is an integrated display with zero return, and measures the amount loaded into the tank truck 2. A shipping amount record can be created by attaching an integrated display.
[0053]
FIG. 2 is a flowchart of the method for recycling waste oil processing. In the waste oil processing and recycling method of this embodiment, first, waste oil is recovered from the discharge company (step a1) by the tank truck 2 (step b1) and received in the waste oil processing and recycling system 1 (step c1). When the filtration pump P1 is driven (step d1), the waste oil is transferred to the filtration chamber 10 and filtered by the automatic strainer F1 and the filters F2 and F3 arranged in the filtration chamber 10, and impurities mixed in the waste oil are removed. The removed cleaning oil is obtained (step e1).
[0054]
This clean oil is stored in the underground storage tank 20 (step f1), and the transfer pump P2 is driven (step g1), so that the clean oil stored in the underground storage tank 20 is shipped without being sent to the mixing step C ( Step h1).
[0055]
On the other hand, the regenerated fuel oil is obtained by mixing the regenerated oil and the high-viscosity oil with the clean oil removed from the impurities transferred to the mixing step C (step i1), and the regenerated fuel oil is shipped as a product (step j1). ), Can be used effectively without wasting resources, such as incineration of waste oil.
[0056]
In this embodiment, the treatment of kerosene, light oil, naphtha, etc., which has become waste oil has been described. However, other polyoils and small oil waste liquids can be treated in the same manner. Is sent from the filtration step A to the mixing step C without passing through the storage step B and processed.
[0057]
FIG. 3 is a schematic diagram of another embodiment of the waste oil processing and recycling method and the waste oil processing and recycling apparatus. In this embodiment, a mixer 60 and a stirring tank 70 are disposed in place of the mixer 30 in the mixing step C in FIG. Therefore, the description is omitted.
[0058]
In this embodiment, the calorie of the product auxiliary oil is determined in the mixing step C, a plurality of mixtures are selected according to the cleaning oil from which impurities have been removed, and mixed by the mixer 60 so as to match the target calorie. As a plurality of mixtures, for example, oil mud, multi-oil waste water, small oil waste water, high-viscosity oil, and the like can be used, which is preferable for recycling combustible waste that is industrial waste as low-calorie auxiliary oil.
[0059]
After this mixing, the regenerated oil is mixed and stirred in the stirring tank 70. The mixed product is confirmed in the stirring tank 70. If there is a difference from the target calorie value, the circulation pump P10 is driven to the mixer 60. Select and mix multiple mixtures to bring them back to the target calorie value and re-adjust to obtain regenerated fuel oil. For example, two product tanks 80 are prepared and divided into low-calorie and high-calorie products. And store.
[0060]
FIG. 4 is a flowchart of another embodiment of the method for recycling waste oil processing. In the waste oil processing and recycling method of this embodiment, first, waste oil is recovered from the discharge company (step a2) by the tank truck 2 (step b2), received by the waste oil processing and recycling system 1, and the filtration pump P1 is driven. Then, the waste oil is transferred to the filtration chamber 10 and filtered by the automatic strainer F1 and the filters F2 and F3 arranged in the filtration chamber 10 (step c2), and the clean oil from which impurities mixed in the waste oil are removed. And this clean oil is stored in the underground storage tank 20 (step d2). By driving the transfer pump P2, the clean oil stored in the underground storage tank 20 is shipped without being sent to the mixing step C (step e2).
[0061]
On the other hand, the cleaning oil that has been transferred to the mixing step C and from which impurities have been removed is sent to the mixer 60, where a plurality of mixtures are selected and mixed to meet the target calorie (step f2).
[0062]
There are a plurality of mixtures, and there are many kinds of properties. Also, if the mixture is separated after mixing, stable calories are not obtained. Therefore, after this mixing, the mixture is stirred with regenerated oil in the stirring tank 70, and if there is a difference from the target calorie value, the circulation pump P10 is driven. To return to the mixing of the mixture and mix so as to reach the target calorie value (step g2). This circulation pump P10 is a mixing device mainly composed of a thermal fine pulverizer (manufactured by Mitsui Mining Co., Ltd .: Trigonal machine) having, for example, a pulverizing blade and having both a pump / mixer capability and a shearing capability.
[0063]
A plurality of product tanks are prepared, and are classified into low calorie and high calorie products and stored (step h2).
[0064]
In this embodiment, the treatment of kerosene, light oil, naphtha, etc., which has become waste oil has been described, but other polyoil and small oil waste liquids can be treated in the same manner. V60 is sent from the filtration step A to the mixing step C without passing through the storage step B and processed.
[0065]
【The invention's effect】
As described above, in the invention according to claim 1, the impurities mixed in the waste oil are filtered, and the regenerated oil and the mixture are mixed with the clean oil from which the impurities are removed. It can be used effectively without wasting resources, such as shipping recycled fuel oil as a product and incinerating waste oil. In addition, combustible waste that is industrial waste can be recycled as low-calorie auxiliary oil. Moreover, by selecting and mixing oil mud, drainage of a large amount of oil, drainage of small oil, grease, and wax, mixing can be performed so as to meet the target calorie value. In addition, since grease or wax may not be mixed with other liquids, it is easy to dissolve and mix. adjust.
[0067]
In the second aspect of the present invention, it is possible to remove fine impurities in a plurality of stages in the filtration step and to remove fine impurities, thereby obtaining a high quality clean oil. In the invention according to claim 4, by circulating the cleaning oil in the filtration step, it is possible to remove fine impurities and obtain a high quality cleaning oil.
[0068]
In the invention according to claim 3 , in the mixing step, a regenerated fuel oil whose viscosity is made constant is manufactured by determining and mixing the regenerated oil and the mixture amount of the mixture according to the clean oil from which impurities are removed, Moreover, the regenerated fuel oil which is easy to burn by mixing with a low calorie incinerator can be manufactured.
[0070]
In the invention described in claim 4 , combustible waste that is industrial waste can be recycled as low-calorie auxiliary oil.
[0072]
In the invention described in claim 5 , the impurities mixed in the waste oil are filtered, and the regenerated oil and the mixture are mixed with the clean oil from which the impurities are removed to obtain the regenerated fuel oil. Can be used effectively without wasting resources, such as incineration of waste oil. In addition, combustible waste that is industrial waste can be recycled as low-calorie auxiliary oil. In addition, by selecting and mixing oil mud, waste oil with a large oil content, waste water with small oil content, grease, and wax, mixing can be performed so as to meet the target calorie value. In addition, since grease or wax may not be mixed with other liquids, it is easy to dissolve and mix. adjust.
[0074]
In the invention described in claim 6 , it is possible to remove fine impurities and to obtain high-quality clean oil by sequentially increasing the filtration accuracy of waste oil in a plurality of stages.
[0075]
According to the seventh aspect of the present invention, impurities mixed in the waste oil are filtered, and the regenerated fuel oil is obtained by mixing the regenerated oil and the mixture with the clean oil from which the impurities have been removed. Can be effectively used without wasting resources, such as incineration of waste oil.
[0078]
In invention of Claim 15, it can be mixed so that it may meet a target calorie by selecting and mixing oil mud, multi-oil waste water, small oil waste water, and high viscosity oil.
[Brief description of the drawings]
FIG. 1 is a schematic view of a method for recycling waste oil treatment.
FIG. 2 is a flowchart of a method for recycling waste oil treatment.
FIG. 3 is a schematic view of another embodiment of the method for recycling waste oil treatment and the apparatus for recycling waste oil treatment.
FIG. 4 is a flowchart of another embodiment of a method for recycling waste oil processing and recycling.
[Explanation of symbols]
1 Waste oil treatment and recycling method A Filtration process B Storage process C Mixing process D Transfer route E Circulation route

Claims (7)

A filtration step for filtering impurities mixed in the waste oil;
Has, a mixing step of obtaining a reproduced fuel oil by mixing the reclaimed oil and mixtures clean oil which the impurities have been removed,
In the mixing step, the mixture is oil mud, multi-oil waste water, small oil waste water, grease, wax,
The impurities are mixed to match the target caloric value by selecting a plurality of said mixture in response to the cleaning fluid that has been removed, mixed and stirred with reclaimed oil after this mixing,
The grease or the wax is heated and dissolved, and then mixed,
When there is a difference from the target calorie value, the waste oil processing and recycling method is characterized in that the mixture is selected again and mixed so as to return to the mixing of the mixture and reach the target calorie value. In the filtration step, waste oil disposal recycling method according to claim 1, wherein the upper gel sequentially filtration accuracy waste oil in a plurality of stages. In the filtration step, waste oil disposal recycling method according to claim 1, characterized in that circulating clean oil. Wherein in the mixing step, waste oil disposal recycling method according to claim 1, wherein the mixing to determine the mixing amount of the recycled oil and the mixture in accordance with the clean oil impurities have been removed. A filter that filters impurities mixed in the waste oil, and a mixer that mixes the regenerated oil and the mixture with the clean oil from which the impurities have been removed to obtain a regenerated fuel oil,
In the mixer, the mixture is oil mud, multi oil drainage, small oil drainage, grease, and wax,
The grease or with a high-temperature dissolution apparatus for dissolving by heating the wax, by selecting a plurality of said mixture is mixed to match the target caloric value in accordance with the clean oil that the impurities have been removed, the mixture After mixing with regenerated oil and stirring,
When there is a difference from the target calorie value, the waste oil processing and recycling apparatus is configured to select and mix the plurality of the mixture again so as to return to the mixture of the mixture and reach the target calorie value. 6. The waste oil processing and recycling apparatus according to claim 5 , wherein a plurality of the filters are disposed so as to sequentially increase the filtration accuracy of waste oil in a plurality of stages. The waste oil processing and recycling apparatus according to claim 5 , wherein the mixer determines and mixes the recycled oil and the mixture in accordance with the clean oil from which impurities are removed.

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