JP2008051378A - Cremation furnace for animals - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cremation furnace for animals, restraining the generation of combustion gas, reducing bad smell, and completing cremation in a short time to improve the efficiency and obtain energy-saving effect. <P>SOLUTION: This cremation furnace for animals includes: a laterally cylindrical cremation furnace body having a furnace opening in the front on the side for putting a dead body of an animal in the furnace; a heat resisting door for closing the furnace opening of the cremation furnace body; a burner fitted to the cremation furnace body and jetting a flame toward the interior thereof; and an exhaust part for discharging combustion gas generated in the interior of the cremation furnace body, wherein a dirt water reservoir is provided below the cremation furnace body. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an animal cremation furnace used for cremation of animal bodies including pets such as dogs and cats.

  In the recent pet boom, owners of dogs, cats, etc., when animals that have been cute for many years died, stopped asking the health center to incinerate them together, as has been done in the past, By cremating animal bodies individually, there is a strong desire to pray carefully. Therefore, in order to meet this type of needs, as shown in FIG. 10, an oil burner d for cremation is attached to a furnace body b in which a heat insulating board wall plate a obtained by press-forming a slurry containing alumina fibers and a binder is formed in a box shape. An equipped animal cremation furnace has been proposed (see, for example, Patent Document 1).

JP-A-2005-326103

  However, since animal bodies contain more water than human bodies with a high fat content, a relatively large amount of sap is generated during cremation, and the burning temperature of the bodies decreases. For this reason, organic nitrogen contained in a large amount of dead bodies and sub-funerals burns at a low temperature, so that a large amount of combustion gas containing harmful nitrogen oxides is generated and a bad odor is strengthened. Furthermore, there is a problem that the cremation takes a long time to reduce the efficiency, and the energy consumption of the burner increases to increase the cost.

  The present invention is based on the fact that a sewage reservoir is provided in the lower part of the cremation furnace main body, the generation of incomplete combustion gas can be suppressed, the malodor can be reduced, and the cremation can be completed in a short time. The challenge is to provide an animal cremation furnace that improves efficiency and provides energy savings.

  In order to achieve the above object, in the invention according to claim 1, a horizontal tubular cremation furnace body having a furnace opening at the front part on the side where the animal remains are entered, and the furnace opening of the cremation furnace body are closed. A cremation furnace for animals comprising a heat-resistant door, a burner attached to the main body of the cremation furnace and injecting flames toward the inside thereof, and an exhaust part for discharging combustion gas generated inside the cremation furnace body The cremation furnace main body is provided with a sewage reservoir.

  In the invention according to claim 2, the cremation furnace main body is formed with a body receiving portion having a plurality of convex vein portions extending in parallel at the same height from the furnace opening toward the back at the lower portion thereof. In addition, the scum reservoir is formed below a gap between adjacent convex veins.

  In the invention according to claim 3, the exhaust part communicates with an exhaust port formed in the lower part of the cremation furnace body, and has a first exhaust passage extending substantially horizontally along the lower part of the cremation furnace body, The first exhaust path forms the sewage reservoir that receives the sewage dripping from the gap between the convex veins. In the invention according to claim 4, the cremation furnace body has an inner peripheral bottom surface that is evacuated. It is characterized in that a sludge flow gradient is formed which is inclined downward toward the mouth.

  The invention according to claim 5 is characterized in that the sewage reservoir portion is constituted by a groove portion formed by an inner peripheral bottom surface of the cremation furnace main body and a side surface facing an adjacent convex vein portion.

  In the invention according to claim 6, the corpse receiving part is formed separately from the cremation furnace main body, and a base part that supports the front end of the convex vein part in a cantilever manner, and the base part is movably supported. The body transport carriage is configured together with the support portion. In the invention according to claim 7, the cremation furnace body is formed with a recessed portion that is partially recessed rearward from the front end at the lower portion of the furnace opening, and the body transport carriage Is characterized in that its base is inserted into the recess without any gap and the inside of the cremation furnace body is sealed by closing the heat-resistant door.

  In the invention which concerns on Claim 8, the said exhaust part has a recombustion furnace arrange | positioned at the upper part of a cremation furnace main body, This recombustion furnace is an edge part of this 1st exhaust path and this 1st exhaust path. The combustion gas sent from the cremation furnace main body is completely burned through the second exhaust passage that continues to the top and rises upward.

  The invention according to claim 9 is characterized in that a bag filter using a ceramic filter is provided in the exhaust part, and in the invention according to claim 10, the bag filter carries a catalyst on the ceramic filter. .

  In the invention which concerns on Claim 1, since the sewage accumulation | storage part is provided in the lower part of the cremation furnace main body, especially the sewage which generate | occur | produces in large quantities at the early stage of ignition stagnates in the sewage accumulation part away from the dead body. Therefore, the body that receives the flame injected by the burner can burn quickly and burns at a high temperature including organic nitrogen contained in the body and side funerals, so harmful dioxins, nitrogen oxides, sulfur oxides, etc. Incomplete combustion gas generation is suppressed, and malodor can be reduced. At the same time, since cremation can be completed in a short time, the efficiency is improved and an energy saving effect is obtained.

  As in the invention according to claim 2, forming a corpse receiving portion having a plurality of convex vein portions spaced in parallel at the same height from the furnace opening to the back at the lower part of the cremation furnace main body, and If a sewage reservoir is provided below the gap between adjacent convex veins, the spill dripping from the corpse on the corpse receiving part will accumulate without leakage, and the spill will spread over a wide area because the path is short. Disappears.

  As in the invention according to claim 3, the waste pool portion is formed by a first exhaust passage that communicates with an exhaust port formed in a lower portion of the cremation furnace main body and extends substantially horizontally along a lower portion of the cremation furnace main body. Then, the sewage collected by dripping from the gap between the convex veins into the sewage reservoir is gasified in a short time by the high-temperature combustion gas discharged through the first exhaust passage, and the combustion It is discharged with gas.

  As in the invention according to claim 4, if a flow gradient of the sew that is inclined downward toward the exhaust port is provided on the inner peripheral bottom surface of the cremation furnace main body, the sewage pool without stagnation of the sewage dripping from the corpse remains. Since it flows down toward the part, it is possible to collect the sewage without leaking and without scattering.

  As in the invention according to claim 5, when the sewage reservoir portion is configured by the groove portion formed by the inner peripheral bottom surface of the cremation furnace main body and the side surface facing the adjacent convex vein portion, This reduces the amount of scorching caused by heating, and makes it easy to perform subsequent cleaning operations.

  As in the invention according to claim 6, when a corpse carrier cart is constituted by a corpse receiving part separated from the cremation furnace main body, a base part supporting the front end part of the convex vein part, and a support part, Efficiently carry out the work after the cremation, and can easily carry out the cleaning work after the cremation, and insert the corpse carrier cart into the recess formed in the lower part of the furnace opening as in the invention according to claim 7. At the same time, if the inside of the cremation furnace main body can be sealed by closing the heat-resistant door, the leakage of combustion gas from the inside of the cremation furnace is prevented at the time of cremation, so that the thermal efficiency can be improved and the environment due to gas leakage Decrease can be prevented.

  As in the invention according to claim 8, when a reburning furnace is provided that is disposed at the upper part of the cremation furnace main body and completely burns the combustion gas sent from the cremation furnace main body, a large amount is generated in the cremation furnace main body at the early stage of ignition in a low temperature atmosphere. The incomplete combustion gas containing toxic substances such as dioxins, nitrogen oxides, sulfur oxides, etc., generated again is heated again and completely burned, whereby the content of the toxic substances can be reduced.

  If a bag filter using a ceramic filter is provided in the exhaust part as in the invention according to claim 9, toxic substances such as dioxins, nitrogen oxides and sulfur oxides in the combustion gas can be removed. As in the invention according to Item 10, when a bag filter in which a catalyst is supported on a ceramic filter is used, the toxic gas can be decomposed and removed by the action of a catalytic reaction, so that the combustion gas can be purified to almost harmless level.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. As shown in FIGS. 1 and 2, the animal cremation furnace 1 includes a horizontal tubular cremation furnace body 3, a heat-resistant door 4 that can close the furnace opening 2, and a flame toward the inside of the cremation furnace body 3. The burner 5 to inject, the exhaust part 6 which discharges | emits the combustion gas which fills the inside of the cremation furnace main body 3 in the case of cremation, and the waste pool part 7 are provided.

  As shown in FIGS. 2 and 3, the cremation furnace main body 3 has a substantially horizontal cylindrical shape, and a furnace opening 2 is formed in the front part. In addition, in this specification, the side which puts an animal corpse into the inside of the cremation furnace main body 3 is set as the front.

  As shown in FIGS. 2 and 5, the cremation furnace body 3 of the present embodiment has an exhaust port 10 formed at a lower front position. And the inner peripheral bottom face 12 of the cremation furnace main body 3 becomes lower toward the exhaust port 10, and a slope is formed which is inclined at an angle α. The gradient angle α is formed, for example, at about 2 to 10 degrees, preferably 4 to 7 degrees.

  Further, as shown in FIG. 4, the cremation furnace body 3 of this embodiment has a lower part of the furnace opening 2 cut out in a rectangular shape, and thereby a recessed part partially recessed backward from the front end at the lower part of the furnace opening 2. 18 is formed. Moreover, the cremation furnace main body 3 of this embodiment is formed by projecting an opening rod 35 whose outer edge portion forms a substantially rectangular plate shape outwardly in a region excluding the concave portion 18 at the periphery of the furnace opening 2.

  Further, the cremation furnace main body 3 is formed with a convex vein portion 8 extending continuously from the furnace opening 2 to the inner side on the lower inner periphery thereof. A plurality of convex vein portions 8, three in the present embodiment, are spaced apart at the same height to form a body receiving portion 9.

  Moreover, the convex pulse part 8 of this embodiment is formed separately from the cremation furnace body 3 as shown in FIG. The front end portion of the convex vein portion 8 formed by separation is supported in a cantilever manner on the upper portion of the rectangular parallelepiped base portion 15. The base 15 is formed in a shape and size that can be inserted into the recess 18 formed in the cremation furnace body 3 without a gap. Therefore, by inserting the base 15 into the recess 18 of the cremation furnace main body 3, the cremation furnace main body 3 and the base 15 form a horizontal cylindrical shape substantially without chipping.

  Further, the base portion 15 is provided with a pair of casters 31 and 31 at the lower end surface thereof, and a lower support portion 33 that extends horizontally from below and below the convex vein portion 8 and has an auxiliary wheel 32 at the front end. The corpse conveyance carriage 17 is configured by the convex portion 8, the base portion 15, and the lower support portion 33 formed as described above. The body transport carriage 17 on which the mesh body 34 using heat-resistant stainless steel is placed on the body receiving portion 9 formed by the convex vein portion 8 and the animal body to be subjected to cremation can be placed thereon is the caster 31. The auxiliary wheel 32 can be moved freely. As shown in FIG. 2, when the base 15 of the corpse carrier carriage 17 moves into the recess 18 of the cremation furnace main body 3, the convex pulse portion 8 is positioned horizontally at the inner lower part of the cremation furnace main body 3. The animal corpse supported by the receiving part 9 can be arranged in the lower part inside the cremation furnace body 3. Using the corpse carrier cart 17 including the corpse receiving part 9 separated from the cremation furnace main body 3 in this way makes it possible to quickly and easily carry out the animal mortar entry work and the cremation removal work, and further the cleaning after the cremation. It is preferable in that the work can be performed easily and reliably.

  The cremation furnace main body 3 formed in this way has a configuration of two layers inside and outside in this embodiment. In other words, the outer peripheral layer is made of castable, plast, fiber wool, heat insulation board, fireproof mortar, etc., and high-refractory materials such as high alumina (zirconia component 90%) and zirconia (zirconia component 35-95%) are used inside. A refractory layer was formed.

  As shown in FIGS. 1 and 4, the heat-resistant door 4 has an upright disk shape, and has a diameter that is substantially the same as the outer diameter of the cremation furnace body 3. One side is attached to the opening rod 35 by a hinge 36, and the furnace opening 2 can be opened and closed by rotating about the hinge 36. Further, a locking device 37 that locks the closed state of the heat-resistant door 4 by being engaged with the other side portion of the heat-resistant door 4 is attached to the opening rod 35.

  As shown in FIGS. 1 and 5, when the heat-resistant door 4 configured in this manner is rotated to a position where it overlaps with the opening rod 35 and is locked by the locking device 37, the furnace opening 2 of the cremation furnace body 3 is opened. Closed. In addition, in this state, the base 15 of the body transport carriage 17 is inserted into the recess 18 of the furnace opening 2 without a gap, and the heat-resistant door 4 overlaps the front side without a gap. The inside of the main body 3 is sealed while maintaining an airtight state. Therefore, high-temperature and high-pressure combustion gas generated during cremation can be prevented from leaking around the furnace opening 2, and as a result, heat loss can be prevented and efficiency can be improved, and environmental degradation such as generation of bad odor due to gas leakage can be prevented. It is preferable in that it can be performed.

  As shown in FIG. 2, the burner 5 is inserted from the outside of the burner mounting hole 38 formed in the rear end portion of the cremation furnace body 3, and the blowing angle can be adjusted by a burner support device (not shown). Mounted. As the burner 5, a known combustion device such as a gas burner or an oil burner can be used, and various conditions such as a combustion time, a thermal power, and the blowing angle are controlled by an operation panel (not shown). Controlled by the circuit.

  As shown in FIGS. 2 and 6, the exhaust portion 6 communicates with the exhaust port 10 of the cremation furnace main body 3 and extends rearward substantially horizontally along the lower portion of the cremation furnace main body 3 as well as the rear. A first exhaust passage 11 that is bent like a key at the end, a second exhaust passage 20 that rises upward from the end portion of the first exhaust passage 11 and that is bent horizontally at the upper end, and an upper portion of the cremation furnace body 3. A substantially horizontal cylindrical reburning furnace 19 that is placed and extends back and forth, an inverted L-shaped third exhaust passage 39 that protrudes laterally from the front portion of the reburning furnace 19 and bends downward from its tip, and An exhaust filtration unit 40 that communicates with the end of the third exhaust passage 39 and incorporates the bag filter 21 is provided.

  In the present embodiment, the first exhaust path 11 and the second exhaust path 20 are formed by rectangular tubes having a rectangular cross section that are bent at a right angle along the lower portion and the rear side surface portion of the cremation furnace body 3. Is done. Further, as shown in FIGS. 2 and 6, the reburning furnace 19 connected to this has a substantially horizontal cylindrical shape, and is attached to the upper part of the cremation furnace main body 3 so as to face back and forth. Further, a reburning burner 41 inserted in the center of the reburning furnace 19 is attached to the rear part. The combustion gas generated in the cremation furnace main body 3 is fed into the reburning furnace 19 configured in this way through the first exhaust path 11 and the second exhaust path 20 rising continuously thereto, and the reburning burner is supplied. Reheated by 41. Therefore, in a low-temperature atmosphere such as in the early stage of ignition, complete combustion is achieved by reheating incomplete combustion gas containing toxic substances such as dioxin, nitrogen oxide, and sulfur oxide that are generated in large quantities in the cremation furnace body 3. In view of the fact that the content of the various toxic substances can be reduced.

  As shown in FIGS. 6 and 7, the exhaust filtering unit 40 includes an upright cylindrical filtering unit main body 42, a bag filter 21 attached to the inside thereof, and a suction device 43. The lower end of the third exhaust passage 39 is connected to the lower part of the filter part main body 42. Further, as shown in FIG. 7, a temperature sensor 45 that measures the temperature of the internal exhaust gas is provided in the middle of the filtration unit main body 42.

  The bag filter 21 is attached to the inside of the filter body 42, and in this embodiment, a ceramic filter formed of mullite, SiC, or cordierite is used. The shape of the bag filter 21 is not particularly limited, but a honeycomb shape having a large filtration area and a small pressure loss is preferable, and it is desirable to use a ceramic filter having a 0.02 μm fine particle dust collection efficiency of 90% or more. Thus, it is preferable to provide the bag filter 21 using a ceramic filter in the exhaust part 6 in that most toxic substances such as dioxins, nitrogen oxides, and sulfur oxides in the combustion gas can be removed.

  Further, the ceramic filter of the bag filter 21 of the present embodiment is used that carries a catalyst. The catalyst can effectively decompose and remove harmful substances such as organic halogen compounds typified by dioxins contained in the gas, and can purify the combustion gas to almost harmless level. Examples of the catalyst that can be used include those containing metal oxides such as titanium, silicon, aluminum, zirconium, gold, platinum, silver, chromium, molybdenum, vanadium, tungsten, cobalt, copper, iron, and manganese. Furthermore, among these, metal oxides such as titanium, silicon, aluminum and zirconium are used as carriers, and metals such as gold, platinum, silver, chromium, molybdenum, vanadium, tungsten, cobalt, copper, iron and manganese are used. What supported the oxide of this is preferable. Further, titanium, vanadium, and tungsten oxides, that is, titanium dioxide, vanadium pentoxide, and tungsten trioxide are more preferable.

  The suction machine 43 uses an AC motor that operates with a household 100 volt power source, and sucks air in the filter section main body 42 and exhausts it to the outside. The combustion gas sent from the second exhaust path 20 into the filtration unit main body 42 is caused by a negative pressure generated by the suction machine 43 from an intake port (not shown) with a control valve provided in the lower part of the filtration unit main body 42. By mixing with the outside air taken in, the temperature is reduced to, for example, about 300 ° C. at which the catalyst function can be exhibited to the maximum. In addition, the optimum temperature corresponding to the catalyst used is controlled by controlling the amount of outside air taken in by the measured value of the temperature sensor 45.

  The said sewage pool part 7 is a place which accommodates the sewage dripped from the animal remains at the time of cremation, and is arrange | positioned at the lower part of the cremation furnace main body 3. In this embodiment, as shown in FIGS. 3 and 5, they are formed separately from the cremation furnace body 3 and provided below the gap between the three convex vein portions 8 that are spaced in parallel. Therefore, the juice dripping from the body supported by the body receiving part 9 is dripped without leaking from the gap and smoothly accumulates in the dirt storage part 7, and the path is short and drops vertically. Therefore, it is preferable in that the dirty juice does not scatter over a wide area.

  Further, as shown in FIG. 5, the sewage reservoir 7 of this embodiment is configured such that the sewage dripping from the gap of the convex pulse part 8 falls directly from the exhaust port 10, or the dripping sewage has a gradient as described above. It is formed by a first exhaust passage 11 where the sewage gathers by flowing down along the inner peripheral bottom surface 12 of the cremation furnace body 3 inclined at an angle α and flowing down from the exhaust port 10. When the sewage accumulation part 7 is configured by the first exhaust path 11 in this way, the accumulated sewage is quickly collected by the high-temperature combustion gas discharged from the cremation furnace body 3 through the first exhaust path 11. It is preferable in that it is gasified and is reliably discharged sequentially with the flow of the combustion gas. In addition, the structure can be simplified because it is not necessary to separately form the sewage reservoir 7.

  Note that, as described above, since the inner peripheral bottom surface 12 of the cremation furnace body 3 is provided with a flow gradient that is inclined at a gradient angle α toward the exhaust port 10, the exhaust port 10 does not retain sewage dripping from the corpse. It is preferable in that it can be collected without leaking and being scattered, since it flows down toward the water and falls into the waste pool portion 7.

  In this way, the animal cremation furnace 1 is provided with the sewage reservoir 7 at the lower part of the cremation furnace body 3, so that particularly a large amount of sewage is generated at a low temperature in the early stage of ignition. It is collected in part 7 and stays there. Therefore, the bodies that receive the flames injected by the burner 5 are burned efficiently, and all of the bodies, including organic nitrogen contained in the corpses, can be burned at high temperatures, so harmful dioxins, nitrogen oxides, sulfur oxides The generation of combustion gases such as can be suppressed, and at the same time malodor can be reduced. Moreover, since cremation can be completed in a short time, the efficiency is improved and a high energy saving effect is obtained.

  8 and 9 illustrate other embodiments. Hereinafter, different contents will be described, and other than that, only the same reference numerals are given to the main components shown in the figure. The animal cremation furnace 1 according to this embodiment is for cremation of relatively small animals, and is configured to be relatively compact as a whole, including the overall size and the capacity of the burner 5.

  The body receiving portion 9 of this embodiment is formed by three convex vein portions 8 that are integrally spaced from the inner peripheral bottom surface 12 of the cremation furnace body 3. And, the groove portion 14 formed by the inner peripheral bottom surface 12 and the side surface 13 of the adjacent convex vein portion 8 facing each other forms a sewage reservoir portion 7 below the gap of the convex vein portion @. Like this form, since the sewage accumulation part 7 formed by the groove part 14 between the convex pulse parts 8 makes a comparatively simple shape, the accumulated sewage is fully heated and burns in a short time. Therefore, the carbonization does not cause charring and the subsequent cleaning operation can be easily performed.

  Moreover, the exhaust part 6 of this form is comprised by the exhaust-gas filtration part 40 connected directly to the exhaust port 10 drilled in the side part of the cremation furnace main body 3. FIG. And the bag filter 21 similar to the above is attached also to the inside of this exhaust filtration part 40.

  The above description is an example of the embodiment of the present invention. Therefore, the technical scope of the present invention is not limited to this, and various modifications are included in addition to the above-described embodiment.

It is a perspective view which illustrates one embodiment of the present invention. It is a perspective view explaining an exhaust passage. It is a principal part expansion perspective view. It is a principal part longitudinal cross-sectional view. It is a longitudinal cross-sectional view of a cremation furnace main body and a reburning furnace. It is a longitudinal cross-sectional view of the orthogonal direction. It is a longitudinal cross-sectional view of an exhaust gas filtration part. It is a perspective view which illustrates other embodiment. It is the longitudinal cross-sectional view. It is a longitudinal cross-sectional view which shows a prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Animal cremation furnace 2 Furnace opening 3 Cremation furnace main body 4 Heat-resistant door 5 Burner 6 Exhaust part 7 Contamination part 8 Convex part 9 Body receiving part 10 Exhaust port 11 1st exhaust path 12 Inner peripheral bottom face 13 Side face 14 Groove part 15 Base 16 Supporting portion 17 Body transport cart 18 Recessed portion 19 Reburning furnace 20 Second exhaust passage 21 Bag filter

Claims (10)

A horizontal tubular cremation furnace body having a furnace opening at the front part on the side where the animal remains are entered, a heat-resistant door for closing the furnace opening of the cremation furnace body, attached to the cremation furnace body, and inside thereof A cremation furnace for animals comprising a burner for injecting flames toward and an exhaust part for discharging combustion gas generated inside the cremation furnace body,
An animal cremation furnace characterized in that a sewage reservoir is provided in the lower part of the cremation furnace body. The cremation furnace main body is formed with a body receiving part having a plurality of convex vein parts spaced in parallel at the same height from the furnace opening to the back at the lower part thereof,
2. The animal cremation furnace according to claim 1, wherein the sewage reservoir is formed below a gap between adjacent convex veins. The exhaust part communicates with an exhaust port formed in the lower part of the cremation furnace body, and has a first exhaust passage extending substantially horizontally along the lower part of the cremation furnace body,
3. The animal cremation furnace according to claim 1, wherein the first exhaust passage forms the sewage reservoir that receives the sewage dripping from a gap between the convex veins.   4. The animal cremation furnace according to claim 3, wherein the cremation furnace body is formed with a flow gradient of sewage whose inner peripheral bottom surface is inclined downward toward the exhaust port.   The animal cremation furnace according to claim 1 or 2, wherein the sewage accumulation part is constituted by a groove part formed by an inner peripheral bottom face of a cremation furnace body and a side face of an adjacent convex vein part facing each other. .   The body receiving part is formed separately from the cremation furnace body, and constitutes a body transport carriage together with a base part that supports the front end of the convex vein part in a cantilever manner and a support part that supports the base part in a movable manner The cremation furnace for animals according to any one of claims 1 to 5, wherein: The cremation furnace body is formed with a recessed part that is partially recessed from the front end toward the rear at the lower part of the furnace opening,
7. The animal cremation furnace according to claim 6, wherein the base of the corpse carrier cart is inserted into the recess without any gap, and the inside of the cremation furnace main body is sealed by closing the heat-resistant door. The exhaust part has a reburning furnace arranged at the top of the cremation furnace body,
The reburning furnace completely burns the combustion gas sent from the cremation furnace main body through the first exhaust path and the second exhaust path that continues to the end of the first exhaust path and rises upward. The animal cremation furnace according to any one of 3 to 7, characterized in that.   The animal cremation furnace according to claim 1, wherein a bag filter using a ceramic filter is provided in the exhaust part.   The animal cremation furnace according to claim 9, wherein the bag filter has a ceramic filter supporting a catalyst.

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