TWI715301B - Chimneyless waste treatment device - Google Patents

Abstract

The present invention provides a chimneyless waste treatment device comprising a first furnace body, a second furnace body, a sewage precipitation unit, and a control unit. The first furnace body includes a main combustion chamber with multiple combustion hearths, A combustion unit located on one side of the main combustion chamber and a fan unit located on the upper side of the combustion unit; the second furnace body includes a buffer zone adjacent to and connected to the main combustion chamber, and a second furnace body located on the inner upper edge The spray unit, multiple filter steel meshes and a sewage collection unit with a sewage outlet; the sewage sedimentation unit is located under the sewage collection unit of the second furnace body for collecting and precipitating sewage from the second furnace body; The different density distribution areas of the spray unit and the filter steel mesh with different mesh sizes are used to filter and recycle the waste gas produced by incineration.

Description

Chimneyless waste treatment device

The present invention relates to a waste incineration treatment device, in particular to a chimney-free waste treatment device that does not require a chimney to discharge exhaust gas and has low pollution.

Most of the conventional wastes use an incinerator to burn the wastes by high-temperature incineration, leaving a small volume of ash after the waste is incinerated. However, some wastes will produce toxic waste gas during the incineration process, so they are discarded. The waste gas generated after the incineration of the material will be further filtered and then discharged into the atmosphere through a chimney.

However, the conventional waste incineration treatment process is a single incineration treatment method, so it is not easy to completely burn the combustible substances in the waste during the incineration treatment process, and the waste gas generated during the incineration treatment process has been filtered. It is then discharged into the atmosphere, but in the process of filtration treatment, harmful exhaust gas cannot be completely filtered out, and the chimney that emits exhaust gas will also make people look bad. Therefore, for incinerator chimney and exhaust gas treatment There should be better processing devices.

The purpose of the present invention is to provide a chimney-less waste treatment device, by which the design can overcome the problem that the conventional chimney-type waste incineration treatment device has exhaust emissions and pollutes the environment.

To achieve the above objective, the present invention provides a chimneyless waste treatment device including a first furnace body, a second furnace body, a sewage precipitation unit and a control unit. The first furnace body includes a furnace with a plurality of burners. The main combustion chamber of the bed, a combustion unit arranged on one side of the main combustion chamber, a fan unit arranged on the upper side of the combustion unit, and a slag collection unit arranged below the main combustion chamber, and the first furnace body is parallel There is a hollow layer, one end of the hollow layer is connected to a water inlet pipe and the other end is connected to two water outlet pipes; the second furnace body includes a buffer zone adjacent to and connected to the main combustion chamber, and one located at the second The spray unit on the upper edge of the inner side of the furnace body, multiple filter steel meshes and a sewage collection unit with a sewage outlet, and the spray unit is located between the buffer zone and the filter steel meshes and is provided with multiple nozzles. The isofilter steel mesh is set relative to the position of the combustion unit and the fan unit, the sewage collection unit is located under the second furnace body; the sewage sedimentation unit is located under the sewage collection unit of the second furnace body The side includes a tank, a sewage inlet connected to the sewage outlet, and a spacer unit provided at the upper end of the tank. The spacer unit divides the tank into a plurality of tanks, and the spacer unit is not Connected to a top surface of the tank and a sludge collecting surface opposite to the top surface; and the control unit is electrically connected to the combustion unit and the spray unit; wherein the spray unit is provided with a sludge adjacent to the buffer zone The first area and a second area adjacent to the first area, and the distribution density of the nozzles arranged in the first area is lower than the distribution density of the nozzles arranged in the second area.

Further, the sewage sedimentation unit is provided with a sludge processor, and the main combustion chamber is provided with a sludge drying chamber with a sludge discharge port, wherein the sludge processor collects the bottom of the sewage sedimentation unit The sludge is transported to the sludge drying chamber, and the dried sludge can be taken out from the sludge discharge port.

Further, the first furnace body is provided with a feeding unit which is adjacent to the combustion unit and includes an inlet, a push rod, and an outlet connected to the main combustion chamber, wherein the pusher The rod will extend to the combustion hearths of the main combustion chamber.

Further, the main combustion chamber of the first furnace body is further provided with a third furnace body, the third furnace body contains the combustion hearths, and is provided with a plurality of through holes to connect the combustion unit and the fan unit, The lower side of the third furnace body is connected to the slag collection unit, and the upper side has an exhaust pipe connected to the second furnace body.

Further, each of the filter steel meshes is provided with a plurality of mesh holes, wherein the mesh size of the filter steel mesh adjacent to the spray unit is larger than that of the filter steel mesh far from the spray unit The size of the meshes and the projections of the meshes of the adjacent steel filter meshes on the same inner side surface of the second furnace body will partially overlap.

Further, the sewage collection unit is provided with an inclined sewage collection surface, and the inclined sewage collection surface gradually inclines and converges toward the sewage outlet.

Further, the inclined sludge collection surface is inclined toward the installation position of the sewage treatment device, and a funnel collection unit is arranged between the inclined sludge collection surface and the sludge processing unit.

Further, the second furnace body is provided with a plurality of filter steel mesh cleaning units, and the filter steel mesh cleaning units are arranged on the side of the filter steel meshes.

Further, when the combustion unit, the combustion hearth and the filter steel mesh are projected on the side of the combustion unit, the projected area of the combustion unit and the projected area of the combustion hearth will be on the filter steel Within the projection area of the net.

Further, the spray unit is arranged at a position in the middle of the second furnace body, and the nozzles are directed toward the furnace wall above the second furnace body.

Therefore, the present invention has the following beneficial effects compared with the prior art: (1) The present invention sprays, precipitates and recycles the waste gas generated after waste incineration treatment, so that the suspended solids produced in the waste gas can become The dried sludge and the remaining waste gas can be returned to the main combustion chamber for recycling and reprocessing, reducing harmful waste gas emissions, and there is no need to set up a chimney to discharge waste gas; (2) The multi-layer design of the combustion hearth of the present invention makes different Wastes of different sizes will be incinerated by combustion units in different combustion hearths, so that the wastes can be fully burned; (3) The present invention uses the spray unit to produce different levels of water due to the different density of nozzle distribution. The screen is used to make the suspended matter in the exhaust gas fall to the sewage collection unit; (4) The present invention uses the filter steel mesh cleaning unit to regularly clean the filter steel mesh to increase the service life of the filter steel mesh.

100: No-chimney waste treatment device

10: The first furnace body

11: Main combustion chamber

111: Burning hearth

12: Combustion unit

13: Fan unit

14: Slag collection unit

15: Feeding unit

151: Inlet

152: Push Rod

153: Outlet

16: Sludge drying room

161: Sludge discharge port

162: Sludge dryer

17: Hollow layer

171: Inlet pipe

172: Outlet Pipe

20: The second furnace body

21: Buffer

22: Spray unit

221: Nozzle

23: Filter steel mesh

231: mesh

24: Sewage collection unit

241: Sewage Outlet

242: Sloped sewage collection surface

25: Filter steel mesh cleaning unit

26: The first area

27: The second area

30: Sewage sedimentation unit

31: tank

311: Secondary tank

312: top surface

313: Sludge inclined collection surface

32: sewage inlet

33: Interval unit

34: Sludge processor

35: Gas discharge port

40: control unit

50: Funnel collection unit

60: The third furnace body

61: Piercing

62: exhaust pipe

Figure 1: A partial perspective view of the chimneyless waste treatment device of the present invention.

Figure 2 is a perspective schematic diagram of the chimneyless waste treatment device of the present invention.

Figure 3-1: is a three-dimensional perspective view of the chimneyless waste treatment device of the present invention from another perspective.

Figure 3-2: It is a partial enlarged schematic diagram of the area selected by the A frame on the 3-1 icon.

Figure 4: A schematic diagram of the use of the chimneyless waste treatment device of the present invention.

Figure 5: is a partial perspective view of another embodiment of the present invention.

Figure 6 is a schematic diagram of the state of use of another embodiment of the present invention.

Figure 7: is a schematic diagram of the use state of another embodiment of the present invention.

Here are a few preferred implementation aspects of the technical features and operation methods of this application, which will be described in conjunction with the illustrations for review and reference. Furthermore, the figures in the present invention are not necessarily drawn according to the actual scale for the convenience of explanation, and the proportions in the figures are not used to limit the scope of the present invention.

For the technology of the present invention, please refer to Figures 1 to 3-2. The chimneyless waste treatment device 100 of the present invention includes a first furnace body 10, a second furnace body 20, and a sewage precipitation unit. 30 and a control unit 40.

The first furnace body 10, please refer to Figures 2 to 3-1 again, includes a main combustion chamber 11 provided with a plurality of combustion hearths 111, and a combustion unit provided on one side of the main combustion chamber 11 12. A fan unit 13 arranged on the upper side of the combustion unit 12 and a slag collecting unit 14 arranged below the main combustion chamber 11, and the first furnace body 10 is provided with a feeding unit 15 which is adjacent to The combustion unit 12 also includes an inlet 151, a push rod 152 and an outlet 153 connected to the main combustion chamber 11, wherein the push rod 152 pushes the waste at the inlet 151 Extend to the combustion hearth 111, and the combustion hearth 111 is further provided with perforations of different sizes (not labeled in the figure), the combustion furnace The perforation sizes of the bed 111 from top to bottom are mainly designed to be large, medium and small, whereby the combustion hearths 111 use perforations of different sizes to screen the waste entering the main combustion chamber 11 to be piled Is placed on a suitable combustion hearth 111, the slag after being incinerated by the combustion unit 12 will fall into the slag collection unit 14 below the main combustion chamber 11, and the main combustion chamber 11 is provided with a sewage A sludge drying chamber 16 is one of the sludge discharge ports 161, in which the first furnace body 10 has a hollow layer 17. One end of the hollow layer 17 is connected to an inlet pipe 171, and the other end is connected to two outlet pipes 172. The water inlet pipe 171 can be connected to a tank (not shown) that stores cooling liquid (not shown). The cooling liquid in this embodiment is water as an example, but not limited to this, and the water outlet pipes 172 are It is another tank for cooling the cooling liquid (not shown in the figure), or the cooling liquid can be recycled in another tank for reuse, such as a heated swimming pool, but not limited to this; The second furnace body 20 includes a buffer zone 21 adjacent to and connected to the main combustion chamber 11, a spray unit 22 located on the upper edge of the inner side of the second furnace body 20, a plurality of filter steel meshes 23, and a sewage outlet 241 The sewage collection unit 24, wherein the spray unit 22 is located between the buffer zone 21 and the filter steel meshes 23, and the spray unit 22 will be provided with a plurality of nozzles 221, and the filter steel meshes 23 are relatively combustible The positions of the unit 12 and the fan unit 13 are arranged in the inner space of the second furnace body 20, the sewage collection unit 24 is arranged on the lower side of the second furnace body 20, and each of the filter steel meshes 23 is also provided A plurality of screen holes 231, and the size of the screen holes 231 of the filter steel mesh 23 adjacent to the spray unit 22 will be larger than the size of the screen holes 231 of the filter steel mesh 23 far from the spray unit 22, please refer to As shown in Fig. 3-2, the screen holes 231 of the adjacent steel filter nets 23 will partially overlap when projected on the same inner side of the second furnace body 20, and the sewage collection unit 24 An inclined sewage collection surface 242 is provided, and the inclined sewage collection surface 242 gradually inclines and converges toward the sewage outlet 241, and the second furnace body 20 is also provided with a plurality of filter steel mesh cleaning units 25, the filter steel mesh cleaning units 25 is installed on the side of the filter steel mesh 23, and will generate a powerful water column regularly according to demand to clean the attachments that may be adsorbed on the surface of the filter steel mesh 23 or the mesh 231, thereby increasing the filter steel The service life of the net 23; The sewage sedimentation unit 30 is arranged under the sewage collection unit 24 of the second furnace body 20. The sewage sedimentation unit 30 includes a tank 31, a sewage inlet 32 connected to the sewage outlet 241, and a sewage inlet 32 connected to the sewage outlet 241. The partition unit 33 at the upper end of the tank body 31, wherein the partition unit 33 partitions the tank body 31 into a plurality of tank bodies 311, and the partition unit 33 is not connected to a top surface 312 of the inner chamber of the tank body 31 And a sludge collection surface 313 opposite to the top surface 312, and the sewage sedimentation unit 30 is further provided with a sludge processor 34, and the sludge processor 34 collects sludge from the bottom 313 of the sewage sedimentation unit 30 Transported to the sludge drying chamber 16, the heat of the main combustion chamber 11 is used to dry the sludge in the sludge drying chamber 16, and the dried sludge is then taken out through the sludge discharge port 161 for subsequent treatment , And the top surface 312 of the sewage precipitation unit 30 is provided with a gas discharge port 35 connected to the main combustion chamber 11 so that the exhaust gas circulating in the sewage precipitation unit 30 can be recycled to the main combustion chamber. The chamber 11 is burned again. In addition, the inclined sludge collection surface 313 of the sewage sedimentation unit 30 will be inclined from the sewage inlet 32 toward the installation position of the sewage processor 34, and the tank body 31 will be Sewage can be recycled by the filtering steel mesh cleaning unit 25, and the sludge deposited on the inclined collection surface 313 of the sludge slowly slides to the lower position of the sludge processor 34 by gravity, and is discharged from the sludge The processor 34 is transported to the sludge drying chamber 16 for sludge drying; the control unit 40 is electrically connected to the combustion unit 12, the fan unit 13, the push rod 152, the filter steel mesh cleaning unit 25 and the Spray unit 22; where the combustion unit 12, the combustion hearth 111 and the filter steel mesh 23 are projected on the side surface of the combustion unit 12, that is, the side surface is substantially with each of the filter steel mesh 23 The planes of the combustion unit 12 will be parallel to each other, and the projected area of the combustion hearth 111 will be within the projected area of the filter steel mesh 23; wherein, the spray unit 22 is provided with a buffer adjacent to The first area 26 of 21 and a second area 27 adjacent to the first area 26, and the distribution density of the nozzles 221 arranged in the first area 26 is lower than that of the second area 27.

Please refer to Figures 1 and 4 again. When the waste is pushed into the combustion hearth 111 of the main combustion chamber 11 by the push rod 152 of the feeding unit 15, the waste will be burned by the combustion furnace. The perforations of different sizes of the bed 111 are screened onto the suitable combustion hearth 111, and the combustion unit 12 will incinerate the waste on the combustion hearth 111, and the incineration will be removed from the bottom of the combustion hearth 111. The slag collection unit 14 collects and processes, and the waste gas on the combustion hearth 111 after being incinerated by the combustion unit 12 will be blown to the first furnace body 10 by the fan unit 13 The second furnace body 20, that is, the exhaust gas will be blown by the fan unit 13 from the first furnace body 10 toward the second furnace body 20. When the exhaust gas is in the second furnace body 20, after passing through the buffer zone 21 The water curtain sprayed by the nozzles 221 of the spray unit 22 will be filtered, and the spray unit 22 will make the first area 26 adjacent to the buffer zone 21 have a density lower than that of the nozzles 221. The second area 27 far away from the buffer zone 21, so that the suspended matter in the exhaust gas can be formed by the spray unit 22 in the first area 26 and the second area 27 by the nozzles 221 with different densities. Filtering is performed so that the suspended matter in the exhaust gas is adsorbed in the water and can fall into the sewage collection unit 24, and the suspended matter in the exhaust gas that does not fall can pass through the screens of different sizes of the filtering steel mesh 23 The holes 231 are filtered and fall into the inclined sewage collecting surface 242 of the sewage collecting unit 24, and the sewage falling on the sewage collecting unit 24 will be collected to the sewage outlet 241 through the inclined sewage collecting surface 242 designed on the inclined surface Then, it flows into the tank 31 through the sewage inlet 32 of the connected sewage sedimentation unit 30, and the sewage outlet 241 and the sewage inlet 32 can be directly connected, or through a connecting pipe (not shown in the figure) ) To connect, the tank body 31 uses the sub-trough molds 311 formed by the spacer unit 33 to reduce the fluctuation of the sewage surface and increase the efficiency of sewage precipitation, and the sedimented sludge is collected by the inclined design of the sludge The surface 33 collects the sludge to the sludge disposer 34, and the sludge disposer 34 transports the sludge to the sludge drying chamber 16 for drying, and the untreated exhaust gas can pass through the gas again. The discharge port 35 is transported to the main combustion chamber 11 for re-combustion, whereby the chimneyless waste treatment device 100 that burns waste not only has an inconspicuous discharge chimney, but also The generated exhaust gas uses the spray unit 22 and the filter steel mesh 23 to filter and reduce harmful substances in the exhaust gas, and the exhaust gas or the generated sewage can be recycled in the chimneyless waste treatment device 100 to achieve recycling. advantage.

In addition, the hollow layer 17 of the first furnace body 10 is connected to the water inlet pipe 171, so that the external tank can transport the cooling liquid (not shown) from the water inlet pipe 171 to the hollow of the first furnace body 10 In the layer 17, by this, the heat generated when the waste on the combustion hearth 111 in the main combustion chamber 11 of the first furnace body 10 is burned and incinerated is transferred to the cooling liquid in the hollow layer 17, The second water outlet pipe 172 at the other end is then transported to another external tank for cooling before subsequent processing, or the high-temperature cooling liquid from the outlet pipe 172 is sent to the warm water swimming pool for reprocessing. Use to achieve the effect of energy reuse.

Please refer to Figures 5 and 6, which is another embodiment of the chimneyless waste treatment device 100 of the present invention, which is mainly on the inclined collection surface of the sludge on the lower side of the sewage sedimentation unit 30 One end of 313 is provided with a funnel collecting unit 50 that is generally funnel-shaped, and the spray unit 22 is arranged at a position approximately near the middle of the second furnace body 20, wherein the nozzles 221 of the spray unit 22 will face A water curtain is sprayed from the upper furnace wall of the second furnace body 20, whereby the water from the water curtain is sprayed upward to the furnace wall of the second furnace body 20 to cool down, and then the gravity of the water can be used to collect the sewage below When the unit 24 falls, and if the water sprayed from the water curtain of the spray unit 22 is sprayed too strongly to the furnace wall, it can still produce cooling on the one hand, and on the other hand, it can produce more water droplets that fall to the sewage collection unit 24 and be filtered Exhaust gas from the first furnace body 10; and the sludge that settles to the inclined sludge collection surface 313 of the sewage sedimentation unit 30 with a substantially inclined bottom surface will be collected at the hopper collection unit 50, and the hopper collection unit 50 The sludge treatment unit 34 is transported to the sludge drying chamber 16 for sludge drying, and then the dried sludge is discharged from the sludge discharge port 161.

Please refer to Figure 7, which is another embodiment of the chimneyless waste treatment device 100 of the present invention, which is mainly provided with a third furnace in the main combustion chamber 11 of the first furnace body 10 body 60. The third furnace body 60 contains the combustion hearths 111, and is provided with a plurality of through holes 61 to connect the combustion unit 12 and the fan unit 13, so that the combustion unit 12 burns the combustion furnaces The waste on the bed 111, the blower unit 13 provides gas into the third furnace body 60, and the lower side of the third furnace body 60 is connected to the slag collection unit 14, and the upper side has an exhaust pipe 62 connected to the The second furnace body 20 allows the gas generated after the waste is burned in the third furnace body 60 to be directly discharged from the exhaust pipe 62 to the spray unit 22 at the second furnace body 20 for water spraying, cooling and Reduce dust, and the sludge drying chamber 16 is provided with a sludge dryer 162 on the lower side. The sludge dryer 162 in another embodiment of the present invention is a combustion furnace, but it is not limited to this. The sludge dryer 162 is used to directly dry the sludge in the sludge drying chamber 16.

In summary, the present invention has the following beneficial effects compared with the prior art: (1) The present invention sprays, precipitates and recycles the waste gas generated after waste incineration treatment, so that the suspended matter produced in the waste gas It can be dried sludge, and the remaining waste gas can be returned to the main combustion chamber for recycling and reprocessing, reducing harmful waste gas emissions, and there is no need to set up a chimney to discharge waste gas; (2) The multi-layer design of the combustion hearth of the present invention, This allows wastes of different sizes to be burned in different combustion hearths by the combustion unit, so that the waste can be fully burned; (3) The present invention uses the spray unit to have different nozzle distribution densities to produce different levels The water curtain is used to make the suspended matter in the exhaust gas fall to the sewage collection unit; (4) The present invention uses the filter steel mesh cleaning unit to regularly clean the filter steel mesh to increase the service life of the filter steel mesh.

The content of the present invention has been described in detail above, but the above are only the preferred embodiments of the present invention, and should not be used to limit the scope of implementation of the present invention, that is, all equivalent changes and Modifications should still fall within the scope of the patent of the present invention.

100: No-chimney waste treatment device

10: The first furnace body

11: Main combustion chamber

111: Burning hearth

12: Combustion unit

13: Fan unit

14: Slag collection unit

15: Feeding unit

151: Inlet

152: Push Rod

153: Outlet

16: Sludge drying room

161: Sludge discharge port

172: Outlet Pipe

20: The second furnace body

23: Filter steel mesh

24: Sewage collection unit

241: Sewage Outlet

242: Sloped sewage collection surface

30: Sewage sedimentation unit

31: tank

311: Secondary tank

313: Sludge inclined collection surface

32: sewage inlet

33: Interval unit

34: Sludge processor

35: Gas discharge port

40: control unit

Claims (10)

A chimney-less waste treatment device includes: a first furnace body, including a main combustion chamber with a plurality of combustion hearths, a combustion unit arranged on one side of the main combustion chamber, and a combustion unit on the upper side The fan unit and a slag collection unit located below the main combustion chamber, wherein the first furnace body has a hollow layer, one end of the hollow layer is connected to a water inlet pipe, and the other end is connected to at least one water outlet pipe; A second furnace body includes a buffer zone adjacent to and connected to the main combustion chamber, a spray unit located on the upper edge of the inner side of the second furnace body, a plurality of filter steel meshes, and a sewage collection unit with a sewage outlet, Wherein, the spray unit is located between the buffer zone and the filter steel meshes and is provided with a plurality of nozzles, and the filter steel meshes are arranged relative to the combustion unit and the fan unit, and the sewage collection unit is arranged at the The lower side of the second furnace body; a sewage sedimentation unit, located on the lower side of the sewage collection unit of the second furnace body, including a tank body, a sewage inlet connected to the sewage outlet, and a sewage water inlet located on the upper end of the tank body The spacer unit, wherein the spacer unit divides the tank body into a plurality of tank bodies, and the spacer unit is not connected to a top surface of the tank body and a sludge collecting surface opposite to the top surface; and a control Unit electrically connected to the combustion unit and the spray unit; wherein, the spray unit is provided with a first area adjacent to the buffer zone and a second area adjacent to the first area, and the nozzles are provided in the first area The distribution density of one area is lower than the distribution density of the second area. For example, the chimneyless waste treatment device described in item 1 of the scope of patent application, further the sewage sedimentation unit is equipped with a sludge processor, and the main combustion chamber is equipped with a sludge drying outlet with a sludge discharge port The sludge processor transports the sludge collected at the bottom of the sewage sedimentation unit to the sludge drying room, and the dried sludge can be taken out through the sludge discharge port. For example, the chimneyless waste treatment device described in item 1 of the scope of patent application, further the first furnace body is provided with a feeding unit which is adjacent to the combustion unit and includes an inlet and a push rod And a discharge port connected to the main combustion chamber, wherein the push rod will extend to the combustion hearths of the main combustion chamber. For example, the chimneyless waste treatment device described in item 1 of the scope of patent application, furthermore the main combustion chamber of the first furnace body is further provided with a third furnace body, wherein the third furnace body contains the The combustion hearth is provided with a plurality of through holes to connect the combustion unit and the fan unit, and the lower side of the third furnace body is connected to the slag collection unit, and an exhaust pipe is provided on the upper side to connect to the second furnace body. For example, the chimney-free waste treatment device described in item 1 of the scope of patent application, further each of the filter steel meshes is provided with a plurality of sieve holes, wherein the sieves of the filter steel mesh adjacent to the spray unit The hole size will be larger than the mesh size of the filter steel mesh far away from the spray unit, and the meshes of the adjacent filter steel meshes are projected on the same inner side of the second furnace body Copies overlap. For example, in the chimneyless waste treatment device described in the first item of the scope of patent application, the sewage collection unit is further provided with an inclined sewage collecting surface, and the inclined sewage collecting surface gradually slopes and converges toward the sewage outlet. For example, the chimneyless waste treatment device described in item 2 of the scope of patent application, further, the inclined sludge collection surface is inclined toward the installation position of the sewage treatment device, and the inclined sludge collection surface and the sludge treatment unit There is also a funnel collection unit. For example, the chimney-less waste treatment device described in item 1 of the scope of patent application, wherein the second furnace body is provided with a plurality of filter steel mesh cleaning units, and the filter steel mesh cleaning units are arranged on the side of the filter steel meshes side. For example, the chimneyless waste treatment device described in item 1 of the scope of patent application, wherein the combustion unit, the combustion hearth and the filter steel mesh are projected on the side where the combustion unit is installed At this time, the projected area of the combustion unit and the projected area of the combustion hearth are both within the projected area of the steel filter meshes. For the chimneyless waste treatment device described in item 1 of the scope of patent application, wherein the spray unit is arranged at a position in the middle of the second furnace body, and the nozzles are directed toward the furnace above the second furnace body Wall direction.

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