JP2000033388A - Device for decomposing oils and organic matter in grease trap - Google Patents

Abstract

PROBLEM TO BE SOLVED: To remove the malodor by decomposing oil and carbohydrates by using a grease trap itself as a reaction tank and providing the environment and condition for completely promoting the catalysis of oxygen. SOLUTION: A reaction bed 11 is fixed in the water in a grease trap 15 (tank). A pump 1 is driven, oil and floating scum are collected in the pan 7 of a suction pipe 2 and sent to a discharge pipe 3, and the malodorous air is sucked from a suction port 8 by an ejector 4, sent to a jet pipe 5 as an air- mixed liq., jetted from an injection port, agitated and replenished with oxygen. A heater 10 is controlled by a thermistor 9, the temp. optimum to an oxygen reaction is maintained, and the jetted air is activated with oxygen. A medium in the reaction basket 11 is selected to adjust the hydrogen ion concn. of a liq. reactant to promote the reaction conjointly with the temp. and oxygen. Consequently, the malodor sucked from the suction port 8 is jetted into the liq. reactant and decomposed, and the problem of malodor is solved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a method for processing various grease traps which is currently being carried out, in view of space and cost problems, troubles due to foul odors, etc., and has not yet seen the perfection of an ideal device. In view of labor saving, low cost,
Further, the present invention belongs to the development of an ideal treatment apparatus capable of decomposing even organic substances in oil quality.

[0002]

2. Description of the Related Art Conventional treatment methods include a method of periodically absorbing and cleaning with a vacuum car, a method of periodically introducing bio-biocides, and a method of absorbing fats and oils and scum on the water surface by a pump, Various methods such as separation and treatment with an oil-water separator have been used. However, kitchens are expensive due to high costs, secondary cleaning, and bad odors that occur in the middle of periodic processing. Of course, it scatters to the outside, and complaints from local residents are constant.

[0003]

[Problems to be solved by the invention]

[0002] It is possible to solve various defects outlined above, and also to eliminate organic substances other than oily substances,
Invention development of labor saving and low cost equipment

[0004]

[Means for Solving the Problems] Mechanically, a non-blocking / non-destructive submersible pump (hereinafter simply referred to as a pump) is mainly used, a pump suction pipe is extended upward, and a grease trap (hereinafter simply referred to as a tank) is provided. (Abbreviation) near the bottom of the water surface. A heater is penetratingly connected to the vertically rising suction pipe. The discharge pipe of the pump also extends vertically upward, bends 180 ° near the water surface of the tank and drops to the bottom of the tank. Each tip is bent 90 ° to the left and right, respectively, to form two spouts along the inner wall of the tank. The ejector is connected to the point bent further 180 ° downward. At this time, the discharge pipe below the ejector becomes a jet pipe. In addition, the thermistor is set on the horizontal portion which stands from below and is bent 180 °. The intake port of the ejector is opened on the water surface of the tank and the space between the upper lid and
Absorbs odorous air. A small amount of enzyme suitable for the reaction solution and a medium of a substance suitable for this are filled in a water-permeable and gas-permeable container (basket-shaped) mainly made of a punched plate or stainless wire mesh, Fix it in one corner. In addition, a jet port for jetting toward the basket is connected to a vertical portion of the jet pipe in a branch pipe shape to further supply oxygen during jet stirring.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION A reaction tank (11) is fixed to one corner of the inner water of a grease trap (15) (hereinafter simply referred to as a tank). The pump rotates and the pan at the top of the suction pipe
The floating scum is collected and sent to the discharge pipe, and the odor-absorbing air on the water surface is absorbed by the ejector from the intake port and sent to the jet pipe as a mixture, which is jetted from each jet port and stirred. And supplement oxygen. At this time, the catalytic activity in the reaction basket (11) spreads into the tank (15), and the tank (15) itself becomes a reactor (reaction tank). The heater (10) is controlled by a thermistor and universally maintains the optimal temperature for the enzymatic reaction. The ejected air (oxygen) performs enzyme activation. By selecting the medium in the reaction basket (11), the hydrogen ion concentration (PH) of the reaction solution is adjusted, and the reaction speed (vigor) is promoted in combination with the temperature and oxygen. This makes it possible to decompose and eliminate small-diameter garbage that has passed through the mesh of the garbage collection basket provided at the inlet to the grease trap, and the odor absorbed from the intake port is injected into the reaction solution. The odor problem is solved by the mechanism in which the air bubbles which are broken down and exploded on the water surface are absorbed again, returned to the reaction solution and decomposed.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Corrosion resistant, non-blocking, non-destructive submersible pump suction pipe and discharge pipe are vertically connected to each other, a saucer is connected to the upper end of the suction pipe, and a heater (10) is provided between them.

1 is set as shown in FIG. This suction pipe is connected to the tank
Move up and down according to the depth of the reaction solution in 5 ▼, and consider so that the tray is at an appropriate position below the water surface. The thermistor is set horizontally and the ejector is set downward at the bending portion of the discharge pipe. A jet pipe is formed before (below) the ejector, and is divided into two in a T-shape at the bottom of the tank (15). Two pipes are 90 at a given point
° refraction, the tip of each becomes an ejection port. Further, from the middle of the vertical portion, another jet pipe is branched in a branch shape, and the jet port at the tip is positioned so as to be jetted to the reaction basket (11) fixed in the tank (15). The reaction basket (11) is made water-permeable and gas-permeable by using a punching plate or a wire mesh, and the size is adjusted by the amount of the reaction solution. As a method for installing the reaction basket (11), an appropriate position on the lower surface of the upper pig is hung as a fulcrum, or the reaction basket (11) is fixed to the bottom of the tank (15) by a leg.

[0007]

According to the present invention, unlike the prior art, the grease trap itself is used as a reaction tank, and the environment and conditions for completely promoting the catalytic activity of the enzyme are provided, so that oil and carbohydrate can be decomposed and odors can be reduced. By solving this, we have gained a great deal of reputation, and we have high expectations for a larger size in the future, so we are confident that it will help improve the environment in the future.

[Brief description of the drawings]

FIG. 1 is an assembled front view showing an embodiment of the present invention.

FIG. 2 is a view taken along the line AA of the embodiment of the present invention.

[Explanation of symbols]

1. Pump 9. Thermistor 2. Suction pipe 10. Heater 3. Discharge tube 11. Reaction basket 4. Ejector 12. Drain plug 5. Jet tube 13. Cap tire 6. 13. Outlet × 3 Inlet 7. Saucer 15. Grease trap Sucking mouth

[Procedure amendment]

[Submission date] July 6, 1999 (1999.7.6)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction contents]

[Document Name] Statement

[Title of the Invention] Grease trap oil / organic matter decomposition treatment equipment

[Claims]

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for decomposing oils and organic substances in a grease trap for decomposing wastewater from a large-scale kitchen or the like before flowing it to sewage.

[0002]

2. Description of the Related Art Conventional grease wrapping wastewater treatment methods include a method of periodically absorbing and cleaning with a vacuum car, a method of periodically introducing microorganisms for decomposition, and a method of removing fats and oils and scum on the water surface by a pump. Various methods such as suction, separation by an oil-water separator, and treatment are performed.
In any case, there are problems such as high cost, necessity of secondary cleaning, and generation of offensive odor during periodic processing.

[0003]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems in the conventional grease trap, and can also eliminate organic substances other than oily substances, thereby saving space, labor, and cost. It is an object of the present invention to provide a disassembly processing device capable of realizing the conversion.

[0004]

SUMMARY OF THE INVENTION A grease trap tank 15 is provided.
The pump 1 is arranged in the water inside, the suction pipe 2 of the pump 1 is extended upward, and the pan 7 opened like a morning glory in the water near the water surface is set. A heater 10 controlled to keep the water temperature constant is penetratingly connected to the vertically rising suction pipe 2. The discharge pipe 3 of the pump 1 also extends vertically upward, connects the ejector 4 near the water surface of the tank 15, refracts it by 180 °, and drops as a jet pipe 5 to the bottom of the tank 15. The jet pipe 5 is horizontally branched in a T-shape near the bottom surface, and a bottom jet port 6 is opened at the tip of the jet pipe 5 to generate a mixed water flow which spreads in the tank 15. An intermediate portion of the jet pipe 5 is branched laterally to open an intermediate jet port 6. The intake port of the ejector 4 is opened on the water surface of the tank 15 to a space with the upper lid of the tank 15,
The air containing the offensive odor is sucked into the jet pipe 5, and the mixed water is jetted from the jet port 6. In a water-permeable and air-permeable reaction basket 11 mainly composed of a punched plate or an unformed metal mesh, microorganisms for dissolving and eliminating organic substances and a microbial carrier of a substance such as porous natural stone suitable for supporting the microorganisms And placed in one corner of the water in the tank 15. Then, the intermediate jet port 6 of the jet pipe 5 is made to face the reaction basket 11, and mixed water is injected into the reaction basket 11, and the organic matter floating body is sent into the reaction basket 11 while supplementing oxygen, thereby decomposing by microorganisms. Prompt.

[0005]

Embodiments of the present invention will be described with reference to the drawings. In the figure, solid arrows indicate water flows, and broken arrows indicate air flows. Grease trap tank 15
The reaction tank 11 is settled in one corner of the water inside. The pump 1 rotates, and the receiving tray 7 at the upper end of the suction pipe 2 collects oil and floating scum, and is sent to the discharge pipe 3 via the pump 1. In the discharge pipe 3, the stinking air on the water surface is sucked from the intake port 8 by the ejector 4, sent to the jet pipe 5 as mixed water, and injected from the middle and bottom jet ports 6. Then, stirring and oxygen supplementation are performed. At this time, the activity of the microorganisms in the reaction basket 11 spreads throughout the tank 15, and the tank 15 itself becomes a reaction tank. The heater 10 is controlled by the thermistor 9 to universally maintain the optimal temperature for microbial activity.
By selecting the microorganism carrier in the reaction basket 11, the hydrogen ion concentration of the water is adjusted, and in combination with the temperature and oxygen, the decomposition activity of the organic matter by the microorganism is promoted. Thereby, decomposition of the small-diameter garbage that has passed through the mesh of the garbage collection basket (not shown) provided at the inlet into the tank 15,
It can be extinguished, and the odor sucked from the intake port 8 is sprayed into water and decomposed, and the air bubbles ruptured on the water surface are absorbed again, returned to the water, and decomposed.
The odor problem is also solved.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A suction pipe 2 and a discharge pipe 3 of a corrosion-resistant submersible pump 1 are vertically piped, a receiving tray 7 is joined to the upper end of the suction pipe 2, and a heater 10 is set in the middle. The suction pipe 2 is moved up and down depending on the depth of the water in the tank 15 so that the receiving tray 7 is located at an appropriate position below the water surface. A thermistor 9 is set horizontally and an ejector 4 is set downward in the bending portion of the discharge pipe 3. The jet pipe 5 is located ahead (below) the ejector 4 and is divided into two in a T-shape near the bottom surface of the tank 15 in the left-right direction. The two branch pipes are bent at a predetermined position by 90 °, and the outlets 6 are respectively opened at the ends thereof. The mixed water jetted from the bottom jet port 6 causes a water flow circulating in the entire tank 15. Further, another jet tube is branched from the middle of the vertical portion of the jet tube 5, and the jet port 6 at the tip thereof is opposed to the reaction basket 11 fixed in the tank 15. The reaction basket 11 is provided with water permeability and air permeability using a punching plate or a wire mesh. The reaction basket 11 contains a microorganism carrier such as a porous natural stone. The capacity is adjusted according to the amount of water in the tank 15. Reaction basket 11
The method of setting is to hang the proper position of the lower surface of the upper pig as a fulcrum, or to fix it to the bottom of the tank 15 by a leg. In the drawings, reference numeral 12 denotes a drain plug, and reference numeral 13 denotes a cap tire.

[0007]

[Effects of the Invention] Unlike the conventional technology, the grease trap itself is used as a reaction tank, and the environment and conditions for promoting the activity of microorganisms are provided, thereby solving the problem of decomposition treatment of oil and organic substances and the problem of odor. It has the effect that it can be done.

[0008]

[Brief description of the drawings]

FIG. 1 is an assembled front view showing an embodiment of the present invention.

FIG. 2 is a view taken on line AA of the embodiment of the present invention.

[Explanation of Codes] Pump 2. 2. Inhalation tube Discharge pipe 4. Ejector 5. Spout tube 6. Spout 7. Saucer 8. Inlet 9. Thermistor 10. Heater 11. Reaction basket 12. Drain plug 13. Cap tire 14. Inlet 15. Grease trap

Claims (2)

[Claims] 1. The suction pipe of a non-blocking / non-destructive submersible pump extends upward below the surface of the grease trap, and a pan-shaped pan is attached to the tip of the suction pipe. Set to. The discharge pipe of the submersible pump rises upward, bends 180 ° near the water surface of the grease trap, makes it downward, extends to the bottom, and branches into a T-shape to the left and right near the point of contact with the bottom. There are two horizontal discharge pipes in opposite directions. These two discharge pipes are 9
It is refracted to the left and right by 0 ° to form a spout. Also, the upper limit of 18
The ejector is connected downward at the point where it is bent at 0 °, and its intake port is opened to the space between the water surface of the grease trap and the upper lid, absorbs the air with a bad smell when the pump rotates, and two for mixing and stirring A decomposition treatment apparatus configured to be jetted as mixed water from a jet port of the apparatus. 2. A small amount of an enzyme suitable for a reaction solution and a substance serving as a medium are filled in a basket having a size suitable for the capacity of a grease trap, mainly composed of a punched plate or a stainless steel wire mesh. The grease trap is fixed to the reaction basket by immersing it in a corner of the grease trap and injecting a mixture of liquid from an outlet provided in the horizontal direction from the middle of the downward discharge pipe (jet pipe) into the reaction basket. And a decomposition treatment apparatus that is designed to decompose organic substances other than oily substances.