JP2007275773A - Deodorizing apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a deodorizing apparatus in which the number of equipment can be freely increased and decreased depending on the treatment capacity, which can perform deodorization at the same time of inspection or maintenance, and can be three-dimensionally installed conforming to a landform at any installation site. <P>SOLUTION: The deodorizing apparatus is characterized in that a plurality of sealed vessels 2 decomposing malodor components of taken-in gas are disposed; a long gas sending pipe 3 sending gas to be deodorized is laid from the upstream side to the downstream side of each of the sealed vessels 2; each sealed vessel 2 is provided with a taking-in pipe 4 taking gas in the gas sending pipe 3 into each sealed vessel 2 and a return pipe 5 returning decomposed gas to the gas sending pipe 3; a valve 3a is provided in the gas sending pipe 3 between adjacent sealed vessels 2; a valve 4a is provided in each taking-in pipe 4 ; thus, gas decomposed stepwise in respective sealed vessels 2 by sending gas from the start end of the gas sending pipe 3, is then deodorized and discharged from a discharge pipe 9 to the atmosphere. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a deodorizing apparatus that decomposes and deodorizes odors from a foul odor source such as a sewerage treatment plant.

  Conventionally, Patent Document 1 discloses a deodorizing apparatus that deodorizes a gas containing hydrogen sulfide or the like. This technology forms a crushed stone layer in the partition wall, fills the soil with microorganisms above the crushed stone layer, arranges a sprinkler that sprinkles water from above the soil, and places a drain pipe that drains the sprinkler water at the bottom of the partition wall. The pipe is configured to have a pipe that feeds gas to be deodorized to the crushed stone layer. It is characterized by dissolving decomposed substances and releasing deodorized gas to the atmosphere.

By the way, since the above technique directly releases the deodorized gas to the atmosphere, it is necessary to decompose the odor component almost completely in one process, and it is necessary to provide a large capacity facility because it is necessary to have a sufficient processing capacity. There was a problem that the operation cost was increased. In addition, air supply must be interrupted during inspection and maintenance, and there is a problem that deodorization treatment cannot be performed in parallel with inspection and maintenance. Furthermore, since the facilities are large, installation of facilities is restricted in places where flat land cannot be secured, and there is a problem that expansion is difficult.
JP 2001-334124 A

  The problem to be solved by the present invention is to solve these conventional problems, the equipment can be freely increased / decreased according to the processing capacity, deodorizing treatment can be performed in parallel with the inspection and maintenance, and the installation location can be reduced. The object is to provide a low-cost deodorizing apparatus that can be installed three-dimensionally according to the terrain regardless of the choice.

The configuration of the present invention that solves this problem is as follows.
1) Arrange multiple airtight containers that decompose the odor components of the gas that has been taken in, and connect long air supply pipes that send the gas to be deodorized from the upstream to the downstream of each airtight container. The intake pipe that takes in the gas inside and the return pipe that returns the decomposed gas to the air supply pipe are each provided, and a valve is provided in each air supply pipe at a position between adjacent sealed containers, and a valve is provided in each intake pipe. The deodorizing apparatus is characterized in that the number of sealed containers can be increased or decreased according to the deodorization processing capacity. 2) The sealed containers with legs are stacked directly on top or bottom or arranged in multiple stages with a support base. 1) The deodorizing apparatus 3), wherein the sealed container is filled with soil having microorganisms therein, water is stored at the bottom, the soil is humidified, and the decomposed substances of the odor components decomposed by the microorganisms in the soil are dissolved in water. The above 1) or ) In the deodorizing device as claimed.

  According to the present invention, since a plurality of small airtight containers are arranged, it is possible to make the equipment with a small occupied area increased or decreased according to the required processing capacity, and to operate at low cost. In addition, during inspection and maintenance, only necessary closed containers are closed, and deodorizing treatment can be performed in parallel without stopping operation. In addition, since multiple small sealed containers are arranged, they can be installed three-dimensionally in front, back, left, right, up and down according to the terrain, are not subject to restrictions on the installation location, can be easily expanded, and different sealed containers according to the type of odor Can also be mixed.

  In this invention, when arrange | positioning an airtight container in multiple steps | paragraphs, the airtight container with a leg is directly stacked or arrange | positioned with a support stand. Low-cost sealed containers are filled with soil containing microorganisms called biosoils, stored at the bottom to humidify the soil, and dissolve odor-degrading substances decomposed by soil microorganisms in water. Moreover, it has a high decomposing ability and is preferably used. Embodiments of the present invention will be specifically described below with reference to the drawings.

  FIG. 1 is a side view of the deodorizing apparatus of the embodiment, FIG. 2 is a plan view of the deodorizing apparatus of the embodiment, and FIG. 3 is an explanatory view of the sealed container of the embodiment. In the figure, 1 is a deodorizing device, 2 is a sealed container, 2a is a lightweight aggregate, 2b is a net, 2c is a single grain crushed stone, 2d is soil, 2e is a folded sheet, 2f is a leg, 3 is an air supply pipe, 3a is a valve 4 is an intake pipe, 4a is a valve, 5 is a return pipe, 5a is a valve, 6 is a drain pipe, 7 is a water seal drain, 8 is a suction blower, 9 is an exhaust pipe, 10 is a support base, and A is accommodated Space, G is ground, and W is water.

  As shown in FIGS. 1 and 2, the deodorizing apparatus 1 according to the present embodiment has a plurality of sealed containers 2 disposed in the front and rear, right and left and up and down at intervals of 1 m in the accommodation space A formed in the ground G, and the gas to be deodorized. A long air supply pipe 3 is connected from the upstream to the downstream of each sealed container 2, and the intake pipe 4 that takes the gas in the air supply pipe 3 into each sealed container 2 and the decomposed gas are supplied to the air supply pipe 3. Each of the return pipes 5 is provided with a valve 3a that is closed at the position of the air supply pipe 3 between the adjacent sealed containers 2 when the immediately preceding sealed container 2 is used. Each of the return pipes 5 is provided with a valve 5a that is opened when the sealed container 2 is used.

  The hermetic container 2 is made of fiber reinforced plastic having a size of 200 × 200 × 125 cm. As shown in FIG. 3, a lightweight aggregate 2a made of crushed stone is filled in the lower portion to a thickness of 50 cm as shown in FIG. 3, and a net 2b is placed above the lightweight aggregate 2a. The single-grain crushed stone 2c is filled to a thickness of 5 cm, and the soil 2d having microorganisms is filled to a thickness of 45 cm above the single-grain crushed stone 2c via the net 2b. Water W is stored in the inner bottom of the sealed container 2 up to a height of 20 cm from the inner bottom. With this water W, the lightweight aggregate 2a, the single-grain crushed stone 2c, and the soil 2d are constantly humidified. A plurality of short air pipes 3 are connected in preparation for the increase / decrease of the sealed container 2.

  In the present embodiment, the gas to be deodorized by the suction blower 8 is supplied by the air supply pipe 3, the gas is taken into the first sealed container 2 by the intake pipe 4 and diffused by the lightweight aggregate 2 a, and then the single-grain crushed stone Pass 2c and soil 2d. At this time, the gaseous odor component is decomposed by the microorganisms contained in the soil 2 d, the decomposed odor component decomposition substance is dissolved in the water W, and the gas in which the odor component is decomposed is returned to the air supply pipe 3 by the return pipe 5. It is.

  The returned gas is taken into the next sealed container 2 by the intake pipe 4, and the odor component remaining in the gas is further decomposed by the microorganisms contained in the soil 2d as described above, and the decomposed substance is dissolved in the water W. At the same time, the decomposed gas is returned to the air supply pipe 3 by the return pipe 5. In this way, the decomposition process is performed step by step from the upstream sealed container 2 to the downstream sealed container 2, and the odor components contained in the gas are gradually reduced. The gas deodorized in the final sealed container 2 is discharged to the atmosphere through the exhaust pipe 9.

  Each hermetic container 2 can be used as much as necessary processing capacity can be secured according to the amount of gas and the concentration of odor components. The excess airtight container 2 closes the valve 4a of the intake pipe 4 and the valve 5a of the return pipe 5, and opens the valve 3a of the air supply pipe 3 between the airtight container 2 and the next airtight container 2, Can be bypassed to the closed container 2 in use so that only the necessary closed container 2 can be used.

  When the sealed container 2 is inspected and maintained, the valve 4a of the intake pipe 4 and the valve 5a of the return pipe 5 of the sealed container 2 are closed and the air supply pipe between the sealed container 2 and the next sealed container 2 is closed. The valve 3a of 3 is opened, and the gas is supplied to the next sealed container 2 by bypassing the sealed container 2 being inspected and maintained. When the inspection and maintenance are completed, the valves 4a and 5a are opened and the valve 3a is closed. Thereafter, when the other sealed container 2 is inspected and maintained, the valves 3a, 4a, and 5a are similarly operated. As described above, the inspection and maintenance is performed only by the integrated hermetic container 2, so that the gas can be deodorized in parallel without reducing the processing capacity.

  As described above, according to the present embodiment, a plurality of small sealed containers 2 are arranged, so that the equipment with a small occupied area increased or decreased according to the required processing capacity can be obtained and can be operated at low cost. became. In addition, only the necessary sealed container 2 is closed at the time of inspection and maintenance, and the deodorization treatment can be performed in parallel without stopping the operation. Furthermore, since a plurality of small sealed containers 2 are arranged, they can be installed three-dimensionally in front, back, left, right, up, and down according to the topography.

  The deodorization apparatus of the present invention is useful for the decomposition treatment of odors emitted from a public sewerage treatment plant, a wastewater treatment facility, a manure treatment facility, a merged treatment facility, and the like.

It is a side view of the deodorizing apparatus of an Example. It is a top view of the deodorizing apparatus of an Example. It is explanatory drawing of the airtight container of an Example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Deodorizing device 2 Airtight container 2a Lightweight aggregate 2b Net 2c Single grain crushed stone 2d Soil 2e Folding sheet 2f Leg 3 Air supply pipe 3a Valve 4 Intake pipe 4a Valve 5 Return pipe 5a Valve 6 Drain pipe 7 Water seal drainage basin 8 Suction blower 9 Exhaust pipe 10 Support stand A Housing space G Ground W Water

Claims (3)

  Arrange multiple airtight containers that decompose the odor components of the captured gas, and connect long air supply pipes that send the gas to be deodorized from upstream to downstream of each airtight container. The intake pipe that takes the gas into the inside and the return pipe that returns the decomposed gas to the air supply pipe are each provided, a valve is provided for each air supply pipe at the position between adjacent sealed containers, and a valve is provided for each intake pipe. A deodorizing apparatus characterized in that the number of sealed containers can be increased or decreased according to the processing capacity of   The deodorizing apparatus according to claim 1, wherein the sealed containers with legs are directly stacked in a vertical direction or arranged in a plurality of stages by a support base.   The hermetically sealed container is filled with soil having microorganisms therein, stored at the bottom to humidify the soil, and dissolved in water with odorous components decomposed by microorganisms in the soil. Or the deodorizing apparatus of 2.

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