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WO2018179052A1 - Dispositif d'élimination de la fumée et des odeurs - Google Patents

Dispositif d'élimination de la fumée et des odeurs Download PDF

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Publication number
WO2018179052A1
WO2018179052A1 PCT/JP2017/012390 JP2017012390W WO2018179052A1 WO 2018179052 A1 WO2018179052 A1 WO 2018179052A1 JP 2017012390 W JP2017012390 W JP 2017012390W WO 2018179052 A1 WO2018179052 A1 WO 2018179052A1
Authority
WO
WIPO (PCT)
Prior art keywords
exhaust
water
smoke
thermal decomposition
exhaust gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2017/012390
Other languages
English (en)
Japanese (ja)
Inventor
中 西村
利光 加来野
文仁 廣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Godo Kaisha Task Force Japan
Kakuno Seisakusho KK
Task Force Japan
Original Assignee
Godo Kaisha Task Force Japan
Kakuno Seisakusho KK
Task Force Japan
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Godo Kaisha Task Force Japan, Kakuno Seisakusho KK, Task Force Japan filed Critical Godo Kaisha Task Force Japan
Priority to PCT/JP2017/012390 priority Critical patent/WO2018179052A1/fr
Publication of WO2018179052A1 publication Critical patent/WO2018179052A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids

Definitions

  • the present invention relates to a deodorizing and deodorizing apparatus connected to an exhaust passage such as a thermal decomposition apparatus for thermally decomposing an object to be treated such as organic waste such as garbage, waste wood and waste plastic.
  • Patent Document 1 discloses a ceramic ash manufacturing apparatus that heats an object to be processed such as waste wood and waste plastic into ceramic ash.
  • the ceramic ash manufacturing apparatus 100 includes a cylindrical heating furnace 119 having a heat insulating structure, and a lid 120 disposed on the heating furnace 119 via a first opening / closing door 112. And a drying chamber 121.
  • the heating furnace 119 has an inlet 113 for receiving an object to be processed in the ceiling 111, and an inlet 115, 115 a for taking in air that has passed a magnetic field in the side wall 114 below the central position in the height direction.
  • the side wall 114 between the ports 115 and 115a is provided with an exhaust port 116, and the lower portion is provided with an exhaust port 118 for discharging the ceramic ash of the heat-treated object.
  • a plurality of cone members 122 having an opening in the center and a reduced diameter side directed downward are provided in the center portion in the heating furnace 119 with a gap in the vertical direction through the support member 123, and the side wall 114.
  • the inner peripheral surface is disposed with a gap and guides the workpiece to the center in the heating furnace 119.
  • the air intakes 115 and 115a are respectively disposed at a distance from the side wall 114 in the horizontal oblique direction, and a swirling flow of air that has passed a magnetic field between the workpiece in the heating furnace 119 and the side wall 114 is provided.
  • the air to be processed is supplied and air that has passed the magnetic field is supplied to the object to be processed to heat the object to be processed.
  • the object to be processed put into the heating furnace 119 through the first opening / closing door 112 of the drying chamber 121 is arranged in the heating furnace 119 with a gap in the vertical direction.
  • the swirling flow of air that is guided by the plurality of cone members 122 and passes through the magnetic field generated between the object to be processed and the side wall 114 of the heating furnace 119 passes through the gap between the upper and lower cone members 122, While flowing along the surface layer portion of the workpiece to be guided, a part can also enter the inside of the workpiece to be guided from the opening of the cone member 122 disposed above the gap, The guided workpiece can be heat-treated uniformly and efficiently.
  • the object to be processed that has been dried in advance is placed in the drying chamber 121.
  • the heat treatment of the object to be processed it occurs when the object to be processed is heated in the heating furnace 119.
  • it is put in the chamber 121 it is possible to simultaneously dry the workpiece in the drying chamber 121 while performing the heat treatment of the workpiece in the heating furnace 119.
  • the exhaust port 116 is provided with a secondary combustion chamber 152, and the soot, harmful components, and malodorous components in the exhaust gas are burned and removed.
  • These combustion processes require fuel for heating separately.
  • an object of the present invention is to provide a smoke removal deodorization apparatus capable of performing smoke removal and deodorization by a method that replaces the combustion treatment.
  • the smoke removal deodorization apparatus of the present invention is a smoke removal deodorization apparatus connected to an exhaust passage, and has a water fog treatment section that sprays water on the exhaust flowing in the exhaust passage. Thereby, the soot, harmful components, and malodorous components contained in the exhaust gas are removed by the water mist sprayed on the exhaust gas flowing in the exhaust passage, and the smoke is removed.
  • the water fog treatment unit sprays water from the upper side to the lower side for the flow path that alternately turns the flow direction of the exhaust gas downward and upward, and the flow path that makes the flow direction of the exhaust gas upward,
  • a spray device that sprays water from below to above, and the smoke in the exhaust gas is entangled in the lower part of the flow channel that makes the flow direction of the exhaust gas downward
  • the exhaust flow direction is alternately made downward and upward alternately and repeatedly brought into contact with water fog, and the smoke in the exhaust is entangled with the water flow to further remove soot, harmful components and odorous components contained in the exhaust. can do.
  • the smoke removal deodorization apparatus of the present invention has a fan that sends exhaust toward the water fog treatment unit upstream of the water fog treatment unit. Thereby, exhaust is sent to the water fog treatment part by the fan, and the soot, harmful components, and malodorous components contained in the exhaust can be efficiently removed by breaking through the water fog.
  • the deodorizing and deodorizing apparatus of the present invention includes an enzyme water fog treatment unit that sprays enzyme water downstream of the water fog treatment unit.
  • an enzyme water fog treatment unit that sprays enzyme water downstream of the water fog treatment unit.
  • the smoke removal deodorization device having a water fog treatment unit that sprays water on the exhaust flowing in the exhaust passage performs the smoke removal deodorization by the water fog sprayed on the exhaust to make the exhaust colorless and odorless. Is possible.
  • the water fog treatment unit sprays water downward from above to a flow path that alternately turns the exhaust flow direction downward and upward and a flow path that turns the exhaust flow direction upward,
  • a spray device that sprays water from below to above, and the smoke in the exhaust gas is entangled in the lower part of the flow channel that makes the flow direction of the exhaust gas downward
  • the odor can be further decomposed and reliably deodorized.
  • FIG. 2 is a sectional view taken along line II-II in FIG.
  • FIG. 2 is a sectional view taken along line II-II in FIG.
  • FIG. 2 is a schematic sectional drawing which shows the structure of the smoke removal deodorizing apparatus connected to the exhaust path of the thermal decomposition apparatus of FIG.
  • It is a side view which shows the shape of a fin.
  • It is a figure which shows the cross section of a fin.
  • FIG. 1 is a schematic cross-sectional view showing a configuration of a thermal decomposition apparatus according to an embodiment of the present invention
  • FIG. 2 is a cross-sectional view taken along the line II-II in FIG.
  • a thermal decomposition apparatus 1 includes a material tank 2 in which an object to be processed M0 is accommodated, and a processing furnace 3 for processing the object to be processed M0 supplied from the material tank 2.
  • the processing furnace 3 has a cylindrical shape, and a drying unit 3A for drying the processing object M0 (M1) supplied from the material tank 2 is provided at the upper part, and a processing object M1 (M2) dried in the drying part 3A is provided at the lower part. It has a thermal decomposition part 3B for thermal decomposition.
  • a heat insulating material 11 is filled in the wall 10 of the processing furnace 3.
  • the to-be-processed object M0 which the thermal decomposition apparatus 1 in this embodiment processes is organic wastes, such as garbage, waste wood, and a waste plastic.
  • the drying unit 3A has a plurality of shelves 30 arranged in the cylindrical body 12 at intervals in the vertical direction, and dries the workpiece M1 on the shelves 30 by the heat rising from the thermal decomposition unit 3B. is there. In the present embodiment, carbonization is performed in the drying unit 3A, but there are cases where carbonization is not performed.
  • Each shelf 30 is formed by covering the upper surface of the high-temperature heat-resistant stainless steel plate with fire-resistant cement. As shown in FIG. 2, the shelf 30 has a plurality of gaps 30 ⁇ / b> A that are radially formed from the respective central portions toward the outside. The gaps 30A of the shelves 30 in each stage are arranged so as not to overlap in plan view.
  • the interval between the upper and lower shelves 30 is about 20 cm to 30 cm, and the gap 30A between the shelves 30 is smaller than the area of the shelves 30 to increase the heat storage effect between the upper and lower shelves 30. . Further, the heat is reflected by the high-temperature heat-resistant stainless steel plate exposed on the lower surfaces of the shelves 30 to accelerate the dry carbonization of the workpiece M1 on the shelves 30.
  • the drying unit 3A includes a first arm group including a plurality of arms 31 that rotate around the central portions of the plurality of shelves 30 at the upper portions of the plurality of shelves 30, respectively.
  • each arm 31 is rotated on each shelf 30 to sequentially drop the workpiece M1 on the shelf 30 from the plurality of gaps 30A to the lower shelf 30 while drying and carbonizing. It is.
  • an exhaust passage 6 that exhausts the inside of the processing furnace 3 through the wall 10 is provided in the upper part of the drying unit 3A.
  • a steam generation pipe 4 for generating steam by using the heat raised from the thermal decomposition unit 3B is provided in a spiral shape.
  • a steam generator (not shown) is connected to the inlet 4A and the outlet 4B of the steam generating pipe 4.
  • the thermal decomposition unit 3B has a second arm group including a rooster 32 that divides the interior of the thermal decomposition unit 3B in the vertical direction and a plurality of arms 33 that rotate around the center of the thermal decomposition unit 3B above and below the rooster 32, respectively. .
  • the second arm group promotes the thermal decomposition by stirring the workpiece M2 in the thermal decomposition unit 3B by the rotation of each arm 33.
  • the to-be-processed object M2 thermally decomposed on the rooster 32 falls from the lattice of the rooster 32 to the lower part of the pyrolyzing part 3B.
  • the pyrolysis unit 3B agitates the air inlet 34 with a cock for taking in air above and below the rooster 32, an ignition burner 35 for igniting the workpiece M2, and high-temperature air in the furnace. Fan 36 is provided.
  • the ignition burner 35 is used to ignite the workpiece M2 for about 15 minutes in the initial stage of operation.
  • the workpiece M2 in the thermal decomposition unit 3B is continuously pyrolyzed.
  • the cocked air inlet 34 is used to maintain a low oxygen state so that the workpiece M2 in the thermal decomposition unit 3B is thermally decomposed continuously. In the low oxygen state, the object to be processed M2 undergoes thermal decomposition without shifting to oxidation (combustion).
  • the processing furnace 3 has a rotating shaft 5 extending in the vertical direction from the drying unit 3A to the thermal decomposition unit 3B.
  • the rotating shaft 5 is rotationally driven by a motor 50 provided in the material tank 2 above the processing furnace 3.
  • the first arm group and the second arm group described above are fixed around the rotating shaft 5 and rotate together with the rotating shaft 5.
  • an object to be processed M0 such as organic waste such as garbage, waste wood and waste plastic is supplied from the material tank 2 into the processing furnace 3 and rises from the thermal decomposition unit 3B. Dry carbonization is performed in the drying unit 3A by heat.
  • the object to be processed M1 is rotated by the arms 31 of the first arm group on the plurality of shelves 30 arranged at intervals in the vertical direction in the drying unit 3A, and sequentially dried on the plurality of shelves 30. While being carbonized, it falls from a plurality of gaps 30 ⁇ / b> A formed radially on each shelf 30. Thereby, the to-be-processed object M1 is dry carbonized efficiently in the drying part 3A in a short time.
  • the to-be-processed object M1 dry-carbonized in the drying part 3A is thermally decomposed in the lower thermal decomposition part 3B continuously.
  • air is sucked so that the low oxygen state is maintained by the air inlet 34 with a cock, so that the object M2 in the pyrolysis section 3B does not shift to oxidation (combustion).
  • Thermal decomposition proceeds. That is, in a state where the oxygen concentration is low, most of the air becomes nitrogen, and combustion in the pyrolysis portion 3B is suppressed in a low oxygen state, and thermal decomposition (steamed state) proceeds.
  • oxygen molecules in the low oxygen state do not combine with carbon molecules by combustion (oxidation), and collide with the molecular structure of the object to be processed M2 (organic matter) that started combustion by ignition in a translational state.
  • M2 organic matter
  • the potential energy at the time of collision is converted into thermal energy, and thermal ion decomposition (molecular dynamics with chemical reaction) starts near the critical temperature peculiar to each organic substance (low temperature plasma state).
  • the oxygen molecules that were not involved in the thermal ion decomposition the organic matter is gradually converted into ceramics (ash) such as carbon (C) and nitrogen (N) by the thermal ion decomposition, van der Waals force of oxygen molecules
  • ash such as carbon (C) and nitrogen (N)
  • van der Waals force of oxygen molecules By attracting each other with the potential energy possessed by the wall of the substance, oxygen molecules are confined in a lattice (ladder) state in an electromagnetic field generated in a plasma state.
  • lattice ladder
  • the high temperature air is stirred by the fan 36, while the workpiece M2 dried and carbonized in the drying part 3A is stirred by the arm 33 and the thermal decomposition process is promoted. Ashing proceeds and changes to ceramic ash.
  • the components contained in the workpiece M2 remain in the ceramic ash as it is, and only moisture evaporates.
  • the volume is reduced, so that the object to be processed M2 above the object to be processed M2 changed to ceramic ash sequentially moves downward.
  • the produced ceramic ash is in a powder form, it falls from the void of the rooster 32 to the lower portion of the rooster 32.
  • the dropped workpiece M ⁇ b> 2 is stirred by the arm 33 below the rooster 32, the thermal decomposition process is further promoted, and the further magnetized ceramic ash Become.
  • the heat generated in the thermal decomposition unit 3B rises to the drying unit 3A and is used for dry carbonization of the workpiece M1 in the drying unit 3A as described above. It becomes unnecessary to dry the object in advance, and it becomes possible to efficiently perform the thermal decomposition treatment.
  • steam is generated by utilizing the exhaust heat of heat used for dry carbonization of the workpiece M1 by the steam generation pipe 4 provided spirally around the drying unit 3A. Can be generated, for example, by a steam generator. Furthermore, it is also possible to use the remaining heat of the generated steam for hot water supply.
  • FIG. 3 is a schematic cross-sectional view showing a configuration of a smoke removal deodorizer 60 connected to the exhaust passage 6 of the thermal decomposition apparatus 1 of FIG.
  • the smoke removal deodorizer 60 includes a water fog treatment unit 60A that sprays water on the exhaust gas, and an enzyme water fog treatment unit 60B that sprays enzyme water on the exhaust gas that has passed through the water fog treatment unit 60A.
  • the water fog treatment unit 60A has a flow path 61 that alternately turns downward and upward the flow direction of the exhaust gas from the inside of the processing furnace 3, and a plurality of water sprays that are opposed to the flow direction of the smoke in the flow path 61. And a spray nozzle 62 as a spraying device.
  • the spray nozzle 62 sprays water from the upper side to the lower side with respect to the flow path 61 that makes the flow direction of the exhaust gas upward, and from the lower side to the upper side with respect to the flow path 61 that makes the flow direction of the exhaust gas downward. The water is sprayed toward it.
  • the flow path 61 has a fan 64 for sending exhaust gas toward the water mist sprayed from the spray nozzle 62.
  • a circulation tank 65 for collecting the waste liquid sprayed from the spray nozzle 62 and reusing it at the spray nozzle 62 is provided below the flow path 61.
  • a waste liquid purifying apparatus using a photosynthetic enzyme and HHO gas (Brown gas) micro-nano bubbles is provided in the circulation tank 65.
  • fins 63A and 63B are provided at the lower part of the flow path 61 that faces the exhaust flow direction downward, as means for entanglement of smoke in the exhaust gas with water flow.
  • 4 is a side view showing the shape of the fins 63A and 63B
  • FIG. 5 is a view showing a cross section of the fins 63A and 63B.
  • the fins 63 ⁇ / b> A and 63 ⁇ / b> B are attached by twisting a plate having a width A as shown in FIG.
  • the fin 63A and the fin 63B are attached to a position shifted by a half circumference in the flow path 61 and shifted by a height C.
  • the width A, height B, C and angle D are adjusted according to the inner diameter of the channel 61.
  • the enzyme water mist processing unit 60B includes a spray nozzle 66 for spraying enzyme water in the flow path 61 and an enzyme water tank 67 for storing enzyme water supplied to the spray nozzle 66.
  • the spray nozzle 66 sprays enzyme water in a tornado shape, and efficiently contacts exhaust gas and enzyme water to decompose odors in the exhaust gas.
  • a fan 68 that exhausts air from the flow path 61 is provided at a downstream position of the enzyme water fog treatment unit 60B.
  • the exhaust (smoke) exhausted from the exhaust passage 6 of the thermal decomposition apparatus 1 in the present embodiment contains soot, harmful components, and malodorous components.
  • the exhaust discharged from the exhaust passage 6 of the thermal decomposition apparatus 1 is sent to the water fog treatment unit 60A by the fan 64, and the inside of the water fog sprayed from the spray nozzle 62 of the water fog treatment unit 60A. Break through and remove soot, harmful components and odorous components contained in the exhaust.
  • the exhaust gas that has broken through the water mist collides with fins 63A and 63B provided in the flow path 61 to form a swirling water flow, and the soot in the exhaust is entangled by this water flow and falls.
  • Such a process is repeatedly performed by the flow path 61 that alternately turns the exhaust flow direction downward and upward.
  • the exhaust gas passes through the enzyme water mist, so that the odor is further decomposed, reliably deodorized, and discharged by the fan 68.
  • the smoke removal deodorization apparatus of the present invention is useful as a smoke removal deodorization apparatus connected to an exhaust passage such as a thermal decomposition apparatus for thermally decomposing an object to be treated such as organic waste such as garbage, waste wood and waste plastic. is there.
  • the present invention is suitable as a smoke removal deodorization apparatus capable of performing smoke removal and deodorization instead of the combustion treatment necessary for heating.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treating Waste Gases (AREA)

Abstract

La présente invention concerne un dispositif d'élimination de la fumée et des odeurs qui permet d'éliminer la fumée et les odeurs au moyen d'une technique qui remplace la combustion des suies, des composants dangereux et des composants malodorants dans l'échappement qui est évacué d'un dispositif de pyrolyse, ou analogue, qui pyrolyse des objets à traiter, tels que des déchets organiques tels que des déchets bruts, des déchets de bois et des déchets de plastique. La présente invention porte sur un dispositif d'élimination de la fumée et des odeurs (60) qui est relié à un passage d'échappement (6) et comporte une partie de pulvérisation de brouillard d'eau (60A) qui pulvérise de l'eau au niveau de l'échappement s'écoulant dans le passage d'échappement (6). Le brouillard d'eau pulvérisé au niveau de l'échappement s'écoulant dans le passage d'échappement (6) élimine la suie, les composants dangereux et les composants malodorants de l'échappement, ce qui élimine la fumée et les odeurs.
PCT/JP2017/012390 2017-03-27 2017-03-27 Dispositif d'élimination de la fumée et des odeurs Ceased WO2018179052A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/012390 WO2018179052A1 (fr) 2017-03-27 2017-03-27 Dispositif d'élimination de la fumée et des odeurs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/012390 WO2018179052A1 (fr) 2017-03-27 2017-03-27 Dispositif d'élimination de la fumée et des odeurs

Publications (1)

Publication Number Publication Date
WO2018179052A1 true WO2018179052A1 (fr) 2018-10-04

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10272335A (ja) * 1997-03-31 1998-10-13 Kawasaki Heavy Ind Ltd 湿式排煙脱硫方法及びスプレー式吸収塔
JP2000325742A (ja) * 1999-05-21 2000-11-28 Babcock Hitachi Kk 脱硫装置出口ガスからの脱塵と水または水蒸気回収方法と装置
JP2002340318A (ja) * 2001-05-17 2002-11-27 Nippon Giken Hokuetsu Kk 熱エネルギー供給システム
WO2008034444A1 (fr) * 2006-09-20 2008-03-27 LLP HOLDING, ASÅ ApS Procédé et système pour la purification de l'air
WO2008097565A1 (fr) * 2007-02-05 2008-08-14 Process Engineering And Manufacturing Épurateur multi-cible
WO2009006703A1 (fr) * 2007-07-12 2009-01-15 Indigo Technologies Group Pty Ltd Réacteur à flux inversé
JP2012098021A (ja) * 2010-10-05 2012-05-24 Shinki Active Center:Kk 厨房の煙及びダストの除去装置
JP2013539719A (ja) * 2010-09-15 2013-10-28 アルストム テクノロジー リミテッド 煙道ガスからｃｏ２捕捉のための溶媒及び方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10272335A (ja) * 1997-03-31 1998-10-13 Kawasaki Heavy Ind Ltd 湿式排煙脱硫方法及びスプレー式吸収塔
JP2000325742A (ja) * 1999-05-21 2000-11-28 Babcock Hitachi Kk 脱硫装置出口ガスからの脱塵と水または水蒸気回収方法と装置
JP2002340318A (ja) * 2001-05-17 2002-11-27 Nippon Giken Hokuetsu Kk 熱エネルギー供給システム
WO2008034444A1 (fr) * 2006-09-20 2008-03-27 LLP HOLDING, ASÅ ApS Procédé et système pour la purification de l'air
WO2008097565A1 (fr) * 2007-02-05 2008-08-14 Process Engineering And Manufacturing Épurateur multi-cible
WO2009006703A1 (fr) * 2007-07-12 2009-01-15 Indigo Technologies Group Pty Ltd Réacteur à flux inversé
JP2013539719A (ja) * 2010-09-15 2013-10-28 アルストム テクノロジー リミテッド 煙道ガスからｃｏ２捕捉のための溶媒及び方法
JP2012098021A (ja) * 2010-10-05 2012-05-24 Shinki Active Center:Kk 厨房の煙及びダストの除去装置

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