JP2020051325A - Biogas generator and method for changing engine oil thereof - Google Patents

Abstract

To reduce time and effort required for changing engine oil of a biogas generator with power generation equipment arranged in a container.SOLUTION: An oil pan to receive engine oil is permanently installed below an oil discharge port of a biogas generator. An oil drain is installed at a lower section of a container with a tip section thereof extended to an outside of the container. A base end section of the oil drain is connected to a communication hole provided on the oil pan. Thus, the engine oil can be semi-automatically collected into an oil collection tank installed outside the container through the communication hole and the oil drain.SELECTED DRAWING: Figure 1

Description

  SUMMARY OF THE INVENTION The present invention provides a structure and method capable of reducing the work load when replacing engine oil of a biogas power generator constituting a biogas power generation facility of a container storage type.

  In recent years, the use of renewable energy has attracted attention as one of the means for solving problems such as global warming and depletion of fossil fuels. Renewable energy sources include solar power, wind power, wave power, and geothermal power, as well as biogas power, which generates electricity from methane gas (hereinafter referred to as biogas) produced by fermenting livestock dung. It's being used.

  In biogas power generation, biogas such as methane gas is generated from organic waste such as manure and food waste of livestock and burned to generate power. Organic garbage is fermented using the power of anaerobic microorganisms to produce biogas, and the biogas is used to generate electricity by turning a gas generator.

  Biogas power generation equipment may be installed in a building or housed in a container, and when housed in a container, various piping in the container is performed at the manufacturer's factory. There is an advantage that piping work at the installation site of the equipment can be omitted. (See Non-Patent Document 1 below).

[Search September 26, 2018] Internet <URL: http://www.ecoheart.com/biogas_cogene/info/installation.html>

  Container-type biogas power generation equipment is equipped with a biogas power generator that generates power by burning biogas generated by a fermenter, and the power generator includes a plurality of containers that store various types of equipment that constitute the biogas power generation equipment. Is stored in one of the.

  FIG. 2 schematically shows a container-type biogas power generation facility. In FIG. 2, B is an example showing the structure of a conventional biogas power generation facility, where 1 is a biogas power generator, and 2 is a container for housing the biogas power generator.

  The biogas generator 1 uses engine oil to protect the engine from friction and heat, such as by lubricating the moving parts of the internal combustion engine and lowering the temperature of the engine.

  However, the engine oil gradually deteriorates because it absorbs impurities and metal powder generated by friction between the moving parts. Deterioration of the engine oil makes it difficult to exhibit the normal performance of the engine, causing a decrease in engine power, a decrease in fuel efficiency, and a failure. For this reason, the engine oil needs to be changed periodically.

  In particular, since the biogas generator 1 operates at all times, the frequency of replacing engine oil increases. To change the engine oil, it is naturally necessary to discharge the engine oil from the biogas generator 1 to the outside, and to add a new engine oil for replacement. An oil discharge port 3 is provided for discharging the oil to the tank.

  In addition, a base 4 for supporting the biogas generator 1 is provided at a lower position thereof, and a predetermined space x is formed between a bottom surface of the generator 1 and a floor surface of the container 2.

  Reference numeral 5 denotes an oil pan disposed in the space x, and reference numeral 6 denotes an oil recovery container disposed outside the container 2 for recovering engine oil.

  When replacing engine oil in the conventional biogas power generation equipment B configured as described above, first, the door (not shown) of the container 2 is opened, and the oil pan 5 is connected to the oil discharge port 3 of the space x. Insert in the lower position.

  In this state, when the manual open / close valve 3a of the oil discharge port 3 is opened, the engine oil of the biogas generator 1 is discharged onto the oil pan 5.

  When the discharge of the engine oil from the biogas generator 1 is completed, the oil pan 5 is pulled out from a position below the generator 1 and taken out of the container 2.

  The engine oil taken out of the container 2 by the oil pan 5 is transferred from the oil pan 5 to the oil collecting container 6 and collected by the oil collecting container 6.

  Finally, new engine oil is introduced into the generator 1 from the engine oil inlet (not shown) of the biogas generator 1 to complete the engine oil replacement operation.

  As described above, in the conventional biogas power generation equipment B, each time the engine oil is changed, the oil pan 5 is inserted under the generator 1 and the oil pan 5 receives the engine oil. Work to pull out from below, take it out of the container 2 and transfer it to the oil recovery container 6 was required, which was extremely troublesome and heavy.

  In view of the above, the present invention proposes a structure of a biogas power generation facility and a method of replacing engine oil, which can reduce the burden on an operator for changing engine oil as much as possible and shorten the operation time.

  The invention according to claim 1 is a container-type biogas power generation facility, wherein a biogas generator is provided with a discharge port for engine oil, and the oil discharged from the discharge port flows out of the container. The drain is provided in the container.

  The invention according to claim 2 is characterized in that an oil pan for receiving engine oil discharged from the biogas generator is provided between the outlet and the oil drain according to claim 1.

  A third aspect of the present invention is characterized in that an oil recovery container for recovering oil discharged from the oil drain to the outside of the container according to any one of the first and second aspects is disposed outside the container.

  The invention according to claim 4 discharges engine oil onto an oil pan from an oil discharge port provided in a biogas generator constituting a container storage type biogas power generation facility, and the oil provided in the container from the oil pan. It is characterized in that oil is collected by an oil collecting container arranged outside the container through the drain.

  According to the first aspect of the invention, the engine oil of the biogas generator can be discharged out of the container with a simple structure.

  According to the second aspect of the present invention, the engine oil discharged from the biogas generator can be once received by the oil pan and then flown to the oil drain, so that the oil discharged from the biogas generator can be reliably discharged to the oil drain. Can be drained to

  According to the third aspect of the present invention, the engine oil discharged to the outside of the container can be recovered as it is in the oil recovery container, and the operation of transferring the oil becomes unnecessary.

  According to the invention described in claim 4, the engine oil of the biogas generator can be easily discharged out of the container, so that the burden on the operator can be reduced and the working time can be shortened.

It is a longitudinal section showing container type biogas power generation equipment concerning the present invention. It is a longitudinal section showing the conventional container type biogas power generation equipment.

  An embodiment of the present invention will be described below with reference to FIG. Note that, in FIG. 1, the same components as those in FIG.

  FIG. 1 shows a biogas power generation facility A of the present invention, which is a container-type biogas power generation facility in which a biogas generator 1 is accommodated in a container 2.

  In the biogas generator 1 shown in FIG. 1, a space x is formed below the base 4 supporting the same, as in the prior art shown in FIG. 2, and an oil pan 8 is inserted into the space x. .

  In the prior art shown in FIG. 2, the oil pan 5 is inserted into the space x only when the engine oil is discharged from the biogas generator 1 to the oil pan 5, but in the present invention, the oil pan 8 is permanently installed in the space x. Is done. The position where the oil pan 8 is permanently installed is a position below the oil discharge port 3 provided in the biogas generator 1 as in the case of the oil pan 5 shown in FIG.

  In the oil pan 8 of the present invention, a communication hole 8a for flowing engine oil to the oil drain 9 is formed in a part thereof.

  The oil drain 9 is a tubular member that communicates with the communication hole 8 a of the oil pan 8, passes through the lower part of the container 7, and is attached in a state where the tip end extends outside from the lower part of the side surface of the container 7. I have.

  The tip of the oil drain 9 is located on the oil recovery container 6 arranged outside the container 7. Reference numeral 9a denotes a manual opening / closing valve for discharging the oil, which is attached to a position outside the container 7 of the oil drain 9.

  Next, a case where the engine oil of the biogas power generation facility A according to the present invention is changed will be described. When the engine oil of the biogas generator 1 is to be changed, first, the oil recovery container 6 is arranged at the tip of the oil drain 9, and then the manual open / close valve 9 a provided at the tip of the oil drain 9 is opened.

  Subsequently, when the manual open / close valve 3a of the oil discharge port 3 of the biogas generator 1 is opened, engine oil is discharged from the biogas generator 1 onto the oil pan 8.

  The engine oil discharged to the oil pan 8 passes through the communication hole 8 a provided in the oil pan 8, passes through the inside of the oil drain 9, and is discharged into the oil recovery container 6 from the tip of the oil drain 9 protruding outside the container 7. You.

  When all the engine oil is discharged from the biogas generator 1, the manual opening / closing valve 3a of the oil discharge port 3 is closed. When the discharge of the engine oil from the oil drain 9 into the oil recovery container 6 is completed, the discharge of the engine oil is completed by closing the manual opening / closing valve 9a of the oil drain 9.

  The discharged engine oil is collected by the oil collection container 6.

  Finally, a new replacement engine oil is charged into the biogas generator 1 from an engine oil inlet (not shown), thereby completing the engine oil replacement operation.

  As described above, in the present invention, after the engine oil discharged from the biogas generator is discharged onto the permanent oil pan, it can be recovered semi-automatically by the oil recovery container disposed outside the container through the oil drain 9.

  When changing the engine oil of a biogas generator, as in the prior art, open the container door and insert the oil pan at the bottom of the generator, or take the oil pan containing the discharged engine oil out of the container, Since there is no need to perform an operation of transferring the oil to an oil recovery container disposed outside, the operation time of the operator can be reduced, and the work load can be significantly reduced.

  INDUSTRIAL APPLICABILITY The present invention is housed in a container and can be used for oil change of all equipment using oil.

DESCRIPTION OF SYMBOLS 1 Biogas generator 2, 7 Container 3 Oil outlet 3a, 9a Manual open / close valve 4 Base 5, 8 Oil pan 6 Oil recovery container 9 Oil drain A, B Biogas power generation equipment

According to the first aspect of the present invention, a biogas generator is housed in one of a plurality of containers for housing various facilities constituting the biogas power generation facility, and discharged from an engine oil outlet provided in the biogas power generator. The container is provided with an oil drain through which the engine oil is supplied to the outside of the container for storing the engine oil . .

According to a fourth aspect of the present invention, a biogas generator is housed in one of a plurality of containers for housing various facilities constituting the biogas power generation facility, and oil is discharged from an engine oil outlet provided in the biogas power generator. the engine oil discharged on a pan, characterized in that the recovery of engine oil by the oil collecting container arranged in the container outside through the oil drain equipped to the container from the oil pan.

Claims (4)

  In a container storage type biogas power generation facility, the container is provided with an oil drain through which engine oil discharged from an engine oil discharge port provided in a biogas generator constituting the power generation facility flows out of the container. A biogas power generation facility characterized by the above.   The biogas power generation equipment according to claim 1, further comprising an oil pan between the outlet and the oil drain.   A biogas power generation facility, wherein an oil recovery container for recovering engine oil discharged to the outside of the container by the oil drain is disposed outside the container.   Engine oil is discharged onto an oil pan from an engine oil discharge port provided in a container-stored biogas power generation facility, and the engine oil is discharged from the oil pan by an oil recovery container disposed outside the container through an oil drain provided in the container. A method for replacing engine oil in a biogas power generation facility, comprising recovering oil.

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