JP2008247674A - Ceiling structure in composting plant - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ceiling structure in composting plant surely collecting dew-condensed water and having dehumidifying function in summer. <P>SOLUTION: The ceiling structure of the composting plant 1 for composting organic waste 15 by fermentation is provided with a ceiling 3 arranged below a roof 2 of the composting plant 1, having an inclined surface 4 projecting downward and brought into contact with water vapor produced by the fermentation of the organic waste 15, a cooling pipe line 5 arranged to be close to the inclined surface 4 to cool the ceiling 3 to dew-condense water vapor brought into contact with the ceiling 3 and a gutter material 6 arranged below the inclined surface 4 to receive dew-condensed water flowing down on the inclined surface 4. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a ceiling structure of a composting treatment facility that ferments organic waste and composts it.

In recent years, the importance of proper livestock manure treatment and production and use of high-quality compost has increased, and a composting treatment facility has been constructed that composts organic waste such as raw garbage, livestock manure, and pruning waste by fermentation. . These composting treatment facilities are provided with a fermenter, and a fermentation chamber is provided in which organic waste is deposited in the fermenter and fermented and decomposed by aerobic microorganisms to be composted. From the organic waste in the fermentation decomposition process in the fermentation chamber, water vapor is generated in the chamber by the heat of fermentation. In general, humidity control in the fermentation chamber, that is, dehumidification, is performed by ventilation, but the ventilation of the composting treatment facility is mainly aimed at countering malodors, so humidity control in the fermentation chamber is only expected as a secondary effect. . Therefore, the generated water vapor condenses on the ceiling surface of the fermentation room or the back surface of the roof and drops on the fermenter to inhibit the breathability of the deposits and hinder fermentation. The technique of patent document 1 is known as a countermeasure against the dew condensation water on the ceiling surface of the compost treatment facility. In Patent Document 1, water vapor generated from the composting section is condensed on the wavy inclined surface in the ceiling portion of the compost production apparatus, and the condensed water is collected through the inclined surface of the ceiling portion, so that the condensed water is composted. Techniques to prevent falling onto the compartment are shown.
JP 2005-239383 A

  However, the countermeasure against the dew condensation water in Patent Document 1 has a gentle slope of the ceiling surface on which the dew condensation water moves, so that the movement starts when the dew condensation water becomes large to some extent, and is combined with other dew condensation water during the movement. In this way, it develops into large water droplets in a short time, and the rate of dripping in the middle due to its own weight increases. Moreover, in the countermeasure against the dew condensation water in Patent Document 1, since the dew condensation water is collected after moving to the wall side, the dew condensation water moves a long distance, and the number of other dew condensation waters combined in the meantime increases. The ratio of dripping in the middle of movement becomes large as water droplets. Furthermore, since the moving speed of the dew condensation water is low, the residence time on the ceiling surface becomes long, and it becomes easy to be affected by the airflow by ventilation, and the ratio of dripping during the movement increases. By these, the collection efficiency of condensed water falls and the possibility of dripping of condensed water to a fermenter will become high. Moreover, even if it ventilates in summer, only hot and humid outside air is introduced, and the dehumidifying effect in the fermentation chamber cannot be expected as in winter. For this reason, the fermentation chamber is maintained in a hot and humid state, and a large amount of condensed water may be generated at a stretch due to a slight decrease in the outside air temperature in the morning or the like, and may be dripped from the ceiling surface or the like.

  The present invention has been developed in view of the above-described conventional problems, and an object thereof is to provide a ceiling structure of a composting treatment facility that can reliably collect condensed water and has a dehumidifying function in summer.

  The ceiling structure of a composting treatment facility according to the present invention is a ceiling structure of a composting treatment facility that composts organic waste by fermentation, and is installed below the roof of the composting treatment facility, and is inclined downward. A ceiling having a surface and in contact with water vapor generated by fermentation of organic waste, and a cooling pipe arranged in the vicinity of the inclined surface to cool the ceiling in order to condense the water vapor in contact with the ceiling And a brazing material for receiving condensed water flowing down from the inclined surface.

  The cooling pipe is appropriately arranged with respect to the ceiling.

  The inclined surface is formed as a flat surface.

  The inclined surface is formed as a curved surface.

  In the ceiling structure of the composting treatment facility according to the present invention, condensed water can be reliably collected, and indoor dehumidification is also possible in the summer.

  Hereinafter, a preferred embodiment of a ceiling structure of a composting treatment facility according to the present invention will be described in detail with reference to the accompanying drawings. As shown in FIGS. 1 to 6, the ceiling structure of the composting treatment facility according to the present embodiment is basically installed below the roof 2 of the composting processing facility 1 and has an inclined surface 4 protruding downward. And a cooling pipe that cools the ceiling 3 in order to condense the water vapor in contact with the ceiling 3 and the ceiling 3 that contacts the water vapor generated by fermentation of the organic waste 15 and the inclined surface 4. 5 and a saddle member 6 for receiving condensed water flowing down from the inclined surface 4.

  The composting processing facility 1 in the present embodiment is constructed with a steel structure. The composting treatment facility 1 is provided with a fermentation chamber 11 equipped with a fermenter 10 and a machine room 12 adjacent to the fermentation chamber 11. The fermentation room 11 is formed as a horizontally long room partitioned from the outside for odor control, and a partition wall 13 is provided on one short side with a machine room 12 on the other short side wall. A shutter 14 is provided. On the floor surface of the fermentation chamber 11, there is provided a fermenter 10 for depositing and fermenting organic waste 15 kneaded with livestock manure, raw garbage, pruned branches and the like. The organic waste 15 carried into the composting treatment facility 1 is deposited on the partition wall 13 side of the fermenter 10, and a predetermined time (several hours to several days) required for fermentation of the organic waste 15 by a scoop stirrer or the like. Every other time, the deposition position is sequentially moved to the shutter 14 side. Therefore, the organic waste 15 in the fermenter 10 is arranged from the partition wall 13 side to the shutter 14 side, from a shallow fermenter to a fermenter advanced. The organic waste 15 that has finally become fertilized and composted is transported to an aging room (not shown) for commercialization using a transport facility combined with a hopper and a belt conveyor (not shown). Or conveyed to a kneading chamber (not shown) as return compost. The transport equipment at this time is considered so that the odor and water vapor in the fermentation chamber 11 do not move along with the transport of the organic waste 15 that has become compost. Specifically, an airtight passage is provided along the long-side wall of the fermentation chamber 11, and a belt conveyor is installed in the interior of the fermentation chamber 11 to convey to an aging chamber or the like. The organic waste 15 that has become compost can also be carried out from the shutter 14 to the outside.

  The organic waste 15 actively generates a strong ammonia-based odor at the initial stage of fermentation, and actively generates water vapor by fermentation heat. As fermentation progresses, the amount of odor and water vapor generated decreases. For this reason, a sheet curtain 16 is provided between the partition wall 13 side where the odor is strong and the amount of water vapor generated is large, and the shutter 14 side where the odor is weak and the amount of water vapor generated is relatively small. Is suppressed. In this embodiment, the area between the partition wall 13 and the seat curtain 16 is defined as the first fermentation chamber 11a, and the area between the sheet curtain 16 and the shutter 14 is defined as the second fermentation chamber 11b.

  In the partition wall 13 of the first fermentation chamber 11a, an air supply port 22 to which an air supply duct 21 from an air supply fan 20 installed in the machine room 12 is connected, and the machine room 12 is mainly installed. An exhaust port 25 connected to an exhaust duct 24 extending from an exhaust deodorizing device 23 that deodorizes and discharges air in the fermentation chamber 11a is provided. An air supply fan 26 and an exhaust fan 27 for mainly ventilating the second fermentation chamber 11b are provided on both side wall surfaces on the long side of the second fermentation chamber 11b, and one side wall surface on the long side is further provided. The air conveyance fan 19 which forms the forced airflow for suppressing the dew condensation on a ceiling surface is arrange | positioned along. The outer wall of the machine room 12 is mainly an outside air inlet 28 for supplying air to the first fermentation chamber 11a, and an exhaust port connected to a duct for releasing the deodorized exhaust from the exhaust deodorizer 23 to the outside air. 29 is provided. Each atmospheric pressure in the first fermentation chamber 11a, the second fermentation chamber 11b, and the machine chamber 12 is set lower than the atmospheric pressure of the outside air, and further, the atmospheric pressure decreases in the order from the machine chamber 12 to the second fermentation chamber 11a and the first fermentation chamber 11b. It is adjusted by ventilation etc. so that strong odor does not go out directly.

  The composting treatment facility 1 in the present embodiment has a sufficient height so as not to obstruct work such as stirring of organic waste 15 over the entire fermentation chamber 11 below the roof 2 of the fermentation chamber 11. A ceiling 3 is provided to ensure. The ceiling 3 of the fermentation chamber 11 is configured by attaching a ceiling material 9 to a ceiling base 8 provided horizontally by suspending and supporting a plywood or the like from a purlin 7 or the like of the roof 2. The ceiling material 9 in the present embodiment is formed of a horizontally long folded sheet steel plate having a cross-sectional shape in which crests 9a and troughs 9b are alternately continued on the inclined surface 4 and the W-shape is continued. In the present embodiment, the interval between the adjacent peak portions 9a and the interval between the adjacent valley portions 9b are set between about 20 cm and 200 cm so that the flowing distance along the inclined surface 4 of the attached condensed water does not increase. . The ceiling material 9 is provided with a coating that increases ammonia resistance (alkali resistance) in consideration of condensed water containing an ammoniacal odor component from the organic waste 15. Furthermore, by this coating, dew condensation water containing odors smoothly flows down the surface of the ceiling material 9, odorous substances are less likely to adhere to the surface, and cleaning of the surface of the ceiling material 9 is facilitated. The opening angle of the peaks 9a and valleys 9b of the ceiling material 9 of the present embodiment is set to about 60 degrees.

  The ceiling 3 has the inclined surface 4 of the ceiling material 9 along the short side direction of the fermentation chamber 11, and the two side surfaces in the length direction of the adjacent ceiling material 9 are overlapped to each other in the long side direction of the fermentation chamber 11. It is arranged and formed horizontally. The ceiling material 9 is provided such that the peak portion 9a abuts against the ceiling base 8, and the peak portion 9a is fixed to the ceiling base 8 with screws or the like. Thereby, the inclined surface 4 projected downward is formed on the ceiling 3. The ceiling 3 formed in this way has a function of contacting the water vapor from the organic waste 15 on the surface thereof to generate condensed water, and causing the condensed water to flow down on the inclined surface 4. The inclination angle formed by the inclined surface 4 and the horizontal plane may be an angle at which the condensed water on the surface can flow down along the surface of the ceiling material 9 without dropping by its own weight and reach the end of the inclined surface 4. Since each opening angle of the peak portion 9a and the valley portion 9b of the ceiling material 9 in this embodiment is set to about 60 degrees, the inclination angle formed by the inclined surface 4 with the ceiling base 8, that is, the horizontal plane is about 60 degrees.

  Since a closing plate is provided at the end of the ceiling material 9 in the present embodiment, an odor or an odor is formed in a substantially triangular section (hereinafter referred to as “ceiling material back space S”) surrounded by the ceiling material 9 and the ceiling base 8. Water vapor is prevented from entering. A cooling pipe 5 for cooling the ceiling 3 is appropriately provided in the ceiling material back space S. The cooling pipe 5 has a function of cooling the ceiling 3 with the cooling water therein. The cooling pipe 5 in the ceiling material back space S is supported by piping suspension bolts 37 from the purlin 7 of the ceiling 3 along the valley portion 9 b of the ceiling material 9. In the present embodiment, there is one cooling pipe 5 arranged in one ceiling material back space S, but a plurality of cooling pipes 5 are arranged in consideration of the size of the ceiling material back space S, the cooling efficiency of the ceiling material 9 and the like. Also good.

  A metal pipe having a high thermal conductivity such as a steel pipe or a copper pipe is used so that the heat of the ceiling 3 is efficiently transmitted to the cooling water via the cooling pipe 5. Furthermore, in the present embodiment, since water vapor containing ammonia does not enter the ceiling material back space S, an aluminum tube having a low thermal conductivity but having a high thermal conductivity is used as the cooling pipe 5 in the ceiling material back space S. It is also possible to do. Moreover, the cooling pipe 5 in this embodiment is arrange | positioned in the lower part of the trough part 9b so that it may adjoin to the right-and-left inclined surface 4 of the ceiling material back space S simultaneously. Since the cooling pipe 5 is disposed close to the inclined surface 4, the heat exchange efficiency between the two becomes high. That is, the heat exchange between the cooling pipe 5 and the ceiling 3 (mainly the ceiling material 9) is performed by radiation, heat conduction through air, or heat transfer. Becomes smaller and the efficiency of heat exchange becomes higher.

  In the present embodiment, “arranged close to the inclined surface” means that the cooling pipe 5 and the inclined surface 4 are brought into direct contact with each other, or the cooling pipe 5 and the inclined surface 4 are connected via a metal having high thermal conductivity. It is also included. Direct contact or connection with a metal having a high thermal conductivity is effective in increasing the efficiency of heat exchange. In this embodiment, since the ceiling base 8 is a plywood having a large specific heat and the ceiling material 9 is a folded plate steel plate having a small specific heat, the temperature of the ceiling material 9 mainly decreases. Moreover, since the ceiling material 9 itself is made of a steel plate having a high thermal conductivity and the side surfaces of the adjacent ceiling material 9 are overlapped with each other, the ceiling material 9 is cooled to one ceiling material 9 by heat conduction. Can be cooled. Therefore, the cooling pipe 5 is appropriately installed on the ceiling 3 while adjusting the arrangement interval of the cooling pipes 5 in consideration of the area of the ceiling 3 and the range that can be cooled by the single cooling pipe 5. In this embodiment, the arrangement | positioning space | interval of the cooling pipe 5 in the 1st fermentation chamber 11a with much generation amount of water vapor | steam is set small, and the cooling pipe 5 is arrange | positioned in each ceiling material back space S. FIG. Moreover, in the 2nd fermentation chamber 11b, since there is little generation amount of water vapor | steam, the arrangement | positioning space | interval of the cooling pipe 5 is set widely, and the cooling pipe 5 is installed every several ceiling material back space S. Thus, the ceiling structure according to the generation | occurrence | production state of the water vapor | steam from the organic waste 15 of the fermentation chamber 11 is formed.

  Each end of the cooling pipe 5 protrudes from the end of the ceiling material 9, one end is connected to the primary side pipe 31 connected to the discharge side of the cooling pump 30, and the other end is the cooling water tank 33. It is connected to the secondary side pipe 32 connected to. Although the cooling water tank 33 in the present embodiment is provided in the vicinity of the composting treatment facility 1, it may be provided in the machine room 12 or the like as long as the cooling water temperature is unlikely to rise.

  Due to the closing plate at the end of the ceiling material 9, the air in the ceiling material back space S cooled by the cooling pipe 5 does not escape to the fermentation chamber 11, and conversely, water vapor from the fermentation chamber 11 does not enter. For this reason, the air in the ceiling material back space S can be efficiently cooled by the cooling pipe 5. Further, since the heat quantity of the cooling pipe 5 is not taken away as latent heat due to condensation on the surface thereof, it can be used to effectively reduce the temperature of the ceiling material 9 as sensible heat. Furthermore, the surface of the cooling pipe 5 and the ceiling base 8 are less likely to be corroded by water vapor containing ammonia.

  The cooling water tank 33 is provided with a makeup water pipe 34, an overflow pipe 35, and a water drain pipe 36. The cooling water tank 33 has a function of supplying makeup water having a temperature lower than the temperature of the ceiling material 9 and maintaining the cooling water temperature to be lower than the temperature of the ceiling material 9. In this embodiment, well water, city water, river water, or the like is used as make-up water, and the cooling water increased by the make-up water overflows and is discharged from the cooling water tank 33. A cooling tower may be connected to the cooling water tank 33 to circulate while cooling the cooling water. The cooling water is pumped from the cooling water tank 33 by the cooling water pump 30 to the cooling pipe 5 of the ceiling 3 through the primary side pipe 31, exchanges heat with the ceiling material 9 and the like, and then passes through the secondary side pipe 32 and passes through the cooling water tank 33. Return to.

  A saddle member 6 is provided below the inclined surface 4 of the ceiling 3. The brazing material 6 of the present embodiment is disposed along the trough 9b at the lower end of the inclined surface 4, that is, at the bottom of the trough 9b. The dredging material 6 has a function of receiving the condensed water flowing down from the inclined surface 4 and preventing the condensed water from dripping onto the organic waste 15 in the fermentation tank 10 and a function of guiding the condensed water together to the drain pipe 40. is doing. The brazing material 6 of the present embodiment is made of a long material having a semicircular cross section formed of a synthetic resin having a low thermal conductivity, and a heat insulating material for preventing condensation is applied to the lower surface thereof. The brazing material 6 is supported by the brazing material support hardware 41. The saddle material support hardware 41 is suspended and supported from the peak portion 9 a of the ceiling material 9 so as to be orthogonal to the saddle material 6. A plurality of brazing materials 6 are supported on the brazing material support hardware 41. The brazing material 6 is supported with a drainage gradient for draining the dew condensation water in the length direction with the semicircular opening side directed to the trough 9b. An interval is provided between the adjacent straw materials 6 so that the water vapor rising from the organic waste 15 in the fermenter 10 can easily come into contact with the ceiling material 9.

  A drain pipe 40 for draining the dew condensation water is connected to the vicinity of the end of the drainage gradient downstream of each dredging 6. Each drain pipe 40 from each dredging 6 is collected into a main drain pipe 42 having a large pipe diameter, and the main drain pipe 42 extends to a dew condensation water pit 44 provided on the floor of the fermentation chamber 11. In this embodiment, the drain pipe 40 and the main drain pipe 42 are composed of synthetic resin pipes. The condensed water pit 44 is connected to a pipe from the waste water treatment device 43 of the machine room 12. The condensed water accumulated in the condensed water pit 44 is used as liquid fertilizer as it is, or drained by performing a treatment such as odor by the waste water treatment device 43.

  The effect | action of the ceiling structure of the composting processing facility concerning this embodiment demonstrated above is demonstrated. Explaining the construction, the ceiling base 8 is provided with a plywood or the like at a predetermined height, supported by a metal ceiling bolt 8a attached to the purlin 7 of the fermentation chamber 11. Next, the cooling pipe 5 is attached to the bottom of the ceiling base 8 horizontally from the main house 7 with the pipe hanging bolts 37 at appropriate intervals along the short side direction of the fermentation chamber 11. At this stage, the mounting height of the cooling pipe 5 is adjusted so that the cooling pipe 5 is close to the inclined surface 4.

  When the installation of the cooling pipe 5 is completed, the ceiling material 9 is attached to the ceiling base 8. The ceiling material 9 is placed in the ceiling material back space S so as to cover the cooling pipe 5 with the valley portion 9b and the inclined surface 4 while overlapping the inclined surfaces 4 of the adjacent ceiling materials 9, and each mountain portion 9a is covered with the ceiling base. Fix to 8 with screws or the like. At this time, the cooling pipe 5 is projected from the end portion of the ceiling material 9, and a ceiling plate is attached to the end portion of the ceiling material 9 to seal the ceiling material back space S. The primary side pipe 31 from the cooling pump 30 is connected to one end of the protruding cooling pipe 5, and the secondary side pipe 32 extending to the cooling water tank 33 is connected to the other end that protrudes. A replenishment water pipe 34, an overflow pipe 35, and a drain pipe 36 for supplying well water and the like are attached to the cooling water tank 33. In order to control the temperature of the cooling water in the cooling water tank 33, an electric valve or the like for adjusting the amount of the replenishing water is attached to the replenishing water pipe 34.

  Next, the brazing material support hardware 41 is suspended from the peak portion 9 b of the ceiling material 9 to support the brazing material 6. The mounting height of the brazing material support hardware 41 is adjusted in advance so that the disposed brazing material 9 has a drainage gradient. The adjacent saddle members 6 are supported and fixed by the saddle member support hardware 41 so that the interval between them is maintained. In addition, a heat insulating material for preventing condensation is applied to the lower surface side surface of the brazing material 6 in advance before installation on the brazing material support hardware 41. A drain pipe 40 for draining the dew condensation water is connected to the bottom surface of the end portion of the dredging material downstream of the attached drainage gradient 6. The connected drain pipe 40 is connected to the main drain pipe 42, and the main drain pipe 42 is piped to the condensed water pit 44 on the floor of the fermentation chamber 11. The condensed water pit 44 is provided with piping from the waste water treatment device 43.

  The effect | action of the summer of the ceiling structure of the fermentation chamber 11 of the composting processing facility 1 is demonstrated. The summer season of the present embodiment is not limited to the meaning of “summer” in the four seasons, and includes the case where the temperature of the ceiling material 9 before cooling is equal to or higher than the cooling water temperature of well water or the like. Since the outside air temperature is high and the solar radiation is strong in summer, the temperature of the ceiling material 9 is higher than the cooling water temperature even if ventilation is performed. Therefore, the dehumidification of the fermentation chamber 11 using cooling water is actively performed in summer. Cooling water is supplied from the cooling water tank 33 to the cooling pipe 5 disposed on the ceiling 3 by the cooling water pump 30 via the primary pipe 31 to lower the surface temperature of the cooling pipe 5 and cool the ceiling material 9 adjacent thereto. To do. The cooling water whose water temperature has risen due to heat exchange with the ceiling material 9 returns to the cooling water tank 33 through the secondary side pipe 32. In the cooling water tank 33, the cooling water temperature is kept low by the makeup water. In this embodiment, cold water is not generated by a refrigerator or the like and used as cooling water, but well water or the like is used as cooling water as it is, so the heat source system for cooling water is simplified and installation and management costs are reduced. It is reduced. Due to the circulation of the cooling water, the temperature of the cooling pipe 5 is lowered, and the surface temperature of the ceiling material 9 adjacent thereto is also lowered. When the surface temperature of the ceiling material 9 becomes equal to or lower than the outdoor temperature of the air in the fermentation chamber 11, dew condensation occurs on the surface of the ceiling material 9, and the inside of the fermentation chamber 11 is dehumidified. At this time, no condensation occurs in the sealed ceiling material back space S, and no drainage treatment of condensed water is required.

  The condensed water on the surface of the ceiling material 9 develops, and when it reaches a certain size, it flows down along the inclined surface 4 by gravity. Condensed water moves downward while developing into large water droplets by combining with other condensed water droplets adhering to the inclined surface 4 in the middle of flowing down, and dripping from the end of the inclined surface 4, that is, the valley portion 9 b, onto the brazing material. . In this embodiment, the inclined surface 4 has an inclination angle of about 60 degrees, and the condensed water flows down when it has developed to some extent. Therefore, the condensed water at the start of movement and other condensed water combined during the movement are also relatively small water droplets. Is the stage. Furthermore, the moving distance on the inclined surface 4 is also short. For this reason, dew condensation water grows into a large water drop in the middle of movement, and the possibility of dropping in the middle due to its own weight is reduced, and water can be collected reliably.

  The condensed water dropped and collected on the dredge 6 moves to the dredge 6 end due to the drainage gradient of the dredge 6 and is discharged from the drain pipe 40 through the main drain pipe 42 to the condensed water pit 44. Since the brazing material 6 of this embodiment is made of a synthetic resin having a low thermal conductivity and has a heat insulating material on the lower surface side surface thereof, dew condensation on the lower surface side surface of the brazing material 6 is suppressed. In this way, by actively dehumidifying the fermentation chamber 11 in the summer, a large amount of dew condensation water is generated at a stretch due to a slight decrease in the outside temperature in the morning in the summer and the organic waste of the fermenter 10 from the ceiling surface 3. It is possible to prevent the condensed water from dropping on the object 15.

  Next, the action in winter will be described. The winter season in the present embodiment is not limited to “winter” in the four seasons. In general, since the cooling water temperature (well water, etc.) is higher than the outside air temperature in winter, the cooling water is not circulated to the cooling pipe 5 in principle. Since the outside air temperature is low in winter, the temperature below the roof 2 that is in contact with the outside air, that is, the temperature at the back of the ceiling, the temperature at the ceiling hanging bolt 8a connected to the main building 7 is lowered, and the temperature of the outside air introduced by ventilation is low. As a result, the surface temperature of the ceiling material 9 decreases, and condensed water is generated on the surface of the ceiling material 9. The generated condensed water is treated in the same way as in summer. However, since water vapor does not enter the back of the ceiling by the ceiling base 8, dew condensation on the back of the ceiling is suppressed. When the surface of the ceiling material 9 becomes higher than the cooling water temperature due to the heat of fermentation of the organic waste 15 in spite of the above cooling elements in winter, the surface of the ceiling material 9 is circulated through the cooling pipe 5 to circulate the cooling water. Reduce the temperature to generate dew condensation and dehumidify.

  In the ceiling structure of the composting processing facility 1 according to the present embodiment described above, the slanted surface 4 is provided below the roof 2 and protrudes downward, and is generated by fermentation of the organic waste 15. The ceiling 3 that is in contact with the water vapor and the inclined surface 4 are arranged close to each other, and in order to condense the water vapor that has contacted the ceiling 3, the cooling pipe 5 that cools the ceiling 3, and below the inclined surface 4, then flows down. Since it is provided with the dredging material 6 that receives the dew condensation water, the water vapor generated in the fermentation chamber 11 of the compost treatment facility 1 can be positively dehumidified by cooling the ceiling 3. Further, the condensed water is generated by using the inclined surface 4, and it is possible to reliably collect water by flowing along the inclined surface 4 and receiving it with the dredging material, and it is possible to prevent the condensed water from dropping into the fermentation tank 10. In addition, the dew condensation water can be reliably collected according to the conditions of the fermentation chamber 11 throughout the year, and dehumidification is also possible. Can be prevented, the burden on the ventilation equipment can be reduced and the equipment life can be extended.

  By appropriately arranging the cooling pipe 5 with respect to the ceiling 3, it is possible to accurately condense water vapor while ensuring a wide installation interval between the cooling pipes 5 and reducing the amount of pipes. Moreover, arrangement | positioning of the cooling piping 5 according to the generation | occurrence | production state of the water vapor | steam in the fermentation chamber 11 can be performed, and dew condensation water can be processed efficiently. Moreover, since the inclined surface 4 is formed as a flat surface, the ceiling material 9 can be easily processed and installed.

  In addition, in this embodiment, although the inclined surface 4 was comprised by the plane, you may comprise the inclined surface 4 by the curved surface convex upwards, and a curved surface convex downward (refer FIG. 7). As a result, while the area of the inclined surface 4 is widened, the ceiling 3 is less projected downward, the area for generating condensed water can be increased, and at the same time, the ceiling 3 can have a design change. Further, in the present embodiment, the ceiling material 9 is fixed to the ceiling base 8, but the ceiling base 9 may be supported directly from the purlin 7 of the roof 2 without the ceiling base 8. In this case, water vapor or the like from the fermenter 10 enters the back of the ceiling, so condensation occurs on the upper surface of the ceiling material 9, the surface of the cooling pipe 5, and the roof material portion, but the condensed water is received on the upper surface of the ceiling material 9. It can be made to flow down to the trough part 9b along the inclined surface 4. FIG. In addition, the trough part 9b is provided with a drain hole or a slit for dripping the condensed water flowing down from the upper surface onto the brazing material 6. Moreover, in this embodiment, although the ceiling 3 was provided in the fermentation chamber 11 whole, you may provide only in the upper part of the 1st fermentation chamber 11a with many generation | occurrence | production amounts of odor and water vapor | steam.

  FIG. 8 shows another embodiment of a preferred embodiment of the ceiling structure of the composting treatment facility 1 according to the present invention. The ceiling 3 of the fermentation chamber 11 in this modified embodiment is configured by attaching a ceiling material 90 to a ceiling base 8 provided horizontally by supporting a plywood or the like with a ceiling suspension bolt 8a from a purlin 7 of the roof 3 or the like. The ceiling member 90 is formed of a horizontally-shaped folded plate steel plate having a square shape, and the opening angle of the square shape is set to about 150 degrees. The lengths of both sides of the hem shape may be equal or one of them may be longer. The top and bottom surfaces of the ceiling material 90 are also coated with ammonia. The ceiling material 90 is in close contact with the ceiling base 8 with one side of the square shape as a horizontal surface 90a of the ceiling material 90, and the other side is an inclined surface 4 protruding below the ceiling base 8, and the inclined surface 4 is fermented. It is provided along the short side direction of the chamber 11. In the ceiling material 90, the horizontal surface 90 a near the base of the inclined surface 4 of the ceiling material 90 is superimposed on the vicinity of the end of the horizontal surface 90 a of the adjacent ceiling material 90, and the overlapping portion is fixed to the ceiling base 8 with screws or the like. The ceiling 3 is constructed in a continuous form so that the adjacent ceiling material 90 contacts and the ceiling material 90 covers the ceiling base 8. Thereby, the ceiling 3 whose inclination angle of the inclined surface 4 protruded downward is about 30 degrees is formed, and heat conduction between the ceiling members 90 is also ensured. The cooling pipe 5 is supported in the vicinity of the vicinity of the lower end portion of the inclined surface 4 of the ceiling member 90 from the main building 7 of the roof 2 and the like by the pipe hanging bolts 37. The saddle material 6 is located below the lower end portion of the inclined surface 4 and below the end portion of the adjacent inclined surface 4 on the ceiling base 8 side on the saddle material support hardware 41 supported from the purlin 7 or the like of the roof 2. Fixed and supported in position. Thereby, dripping of the dew condensation water from the horizontal surface 90a along the ceiling base 8 can be received even by the brazing material 6, and the dew condensation water can be collected reliably. Since other parts are the same as those of the above-described embodiment, description thereof is omitted.

  In the ceiling structure of the composting treatment facility 1 in the present modified embodiment, condensed water can be generated on the upper and lower surfaces of the inclined surface 4 of the ceiling material 90, the horizontal surface 90a, and the surface of the cooling pipe 5, and a large area is condensed. It can be used as a water adhesion surface. In addition, dripping of condensed water on the horizontal surface 90 a of the ceiling material 90 and the surface of the cooling pipe 5 is received by the adjacent inclined surface 4 and flows down to the dredging 6, and the condensed water that cannot be received by the adjacent inclined surface 4 is Can be received directly with the brazing material 6. For this reason, dew condensation water can be collected reliably. Also in this modified embodiment, the effect related to the collection of condensed water using the inclined surface 4 is the same as that of the above-described embodiment.

  In the present modified embodiment, the horizontal surfaces 90a of the adjacent ceiling members 90 are overlapped and fixed to the ceiling base 8, but may be fixed to the ceiling base 8 without overlapping. Furthermore, the ceiling material 90 may be omitted and the ceiling material 90 may be directly supported from the main building 7 or the like.

It is a figure explaining generation | occurrence | production and the processing method of the dew condensation water in the ceiling of suitable one Embodiment of the ceiling structure of the composting processing facility which concerns on this invention. It is a top view explaining the composting processing facility in one suitable embodiment of the ceiling structure of the composting processing facility which concerns on this invention. It is a long side direction sectional view explaining the composting processing facility shown in FIG. It is an expanded sectional view explaining the ceiling part of the composting processing facility shown in FIG. It is a short side direction sectional view explaining the composting processing facility shown in FIG. It is a top view explaining the ventilation method in the composting processing facility shown in FIG. It is an expanded sectional view explaining the ceiling part of other suitable embodiment of the ceiling structure of the composting processing facility which concerns on this invention. It is an expanded sectional view of the ceiling part explaining other suitable embodiment of the ceiling structure of the composting processing facility which concerns on this invention.

Explanation of symbols

1 Composting treatment facility 2 Roof 3 Ceiling 4 Inclined surface 5 Cooling pipe 6 Dredging 15 Organic waste

Claims (4)

In the ceiling structure of the composting treatment facility that composts organic waste by fermentation,
A ceiling installed below the roof of the composting treatment facility, having an inclined surface projecting downward, and a ceiling in contact with water vapor generated by fermentation of organic waste;
A cooling pipe that cools the ceiling to condense the water vapor that is placed close to the inclined surface and contacts the ceiling;
A ceiling structure of a composting treatment facility, comprising a dredger that receives condensed water flowing down below the inclined surface.   The said cooling piping is suitably arrange | positioned with respect to the said ceiling, The ceiling structure of the composting processing facility of Claim 1 characterized by the above-mentioned.   The ceiling structure of a composting facility according to claim 1 or 2, wherein the inclined surface is formed as a flat surface.   The ceiling structure of a composting treatment facility according to claim 1 or 2, wherein the inclined surface is a curved surface.

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