CN219414782U - Energy-saving garbage disposal incinerator - Google Patents
Energy-saving garbage disposal incinerator Download PDFInfo
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- CN219414782U CN219414782U CN202320594581.0U CN202320594581U CN219414782U CN 219414782 U CN219414782 U CN 219414782U CN 202320594581 U CN202320594581 U CN 202320594581U CN 219414782 U CN219414782 U CN 219414782U
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Abstract
The utility model relates to the technical field of power pipes, and discloses an energy-saving garbage disposal incinerator, which comprises an incinerator, a drying bin, a heat exchange pipe and a dust removing mechanism, wherein a fire grate is arranged in the incinerator, and the incinerator is provided with a smoke outlet, a spray gun gas port and a combustion-supporting gas inlet; the drying bin is connected with a feed inlet of the incinerator, a hollow heating interlayer is arranged on the outer wall of the drying bin, an inlet on the heating interlayer is connected with a smoke outlet, and an outlet of the heating interlayer is connected with the smoke treatment device; the heat exchange tube is provided with an inner tube and an outer tube, an air inlet of the inner tube is connected with a smoke outlet through a third smoke pipeline, an air outlet of the inner tube is connected to a smoke treatment device through a fourth smoke pipeline, an air inlet of the outer tube is connected with a draught fan, an air outlet of the outer tube is connected with a combustion-supporting gas inlet through a combustion-supporting gas pipeline, and an ash removing mechanism is connected to an air inlet end of the inner tube and used for inputting dredging air flow into the inner tube to remove dust. The incinerator can recycle the waste heat of the flue gas, improve the heat exchange efficiency of the heat exchanger and enable the system to be more energy-saving.
Description
Technical Field
The utility model relates to the technical field of power pipes, in particular to an energy-saving garbage disposal incinerator.
Background
The method is characterized in that a large amount of household garbage can be generated in the life of people, the traditional treatment mode comprises landfill or incineration, the landfill occupies more land resources, the garbage incineration is usually carried out in an incinerator, a large amount of smoke can be generated in the existing garbage incineration process, the temperature of the smoke is high, the smoke is not fully utilized, and the whole incineration system is not energy-saving enough.
Disclosure of Invention
The utility model aims to solve the problems and provide an energy-saving garbage disposal incinerator which can utilize the waste heat of flue gas, improve the heat exchange efficiency of a heat exchanger and enable a system to be more energy-saving.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: an energy-saving garbage disposal incinerator, wherein a combustion layer is arranged in the incinerator, a fire grate is arranged below the combustion layer, a smoke outlet is arranged at the top of the incinerator, and a spray gun gas port and a combustion-supporting gas inlet are arranged on the side wall of the incinerator;
the drying bin is connected to the feeding hole of the incinerator, a hollow heating interlayer is arranged on the outer wall of the drying bin, a heating medium inlet on the heating interlayer is connected with the smoke outlet through a first smoke pipeline, and a heating medium outlet of the drying bin is connected to the smoke treatment device through a second smoke pipeline;
the heat exchange tube is provided with an inner tube and an outer tube, the air inlet of the inner tube is connected with the smoke outlet through a third smoke pipeline, the air outlet of the inner tube is connected with the smoke treatment device through a fourth smoke pipeline, the air inlet of the outer tube is connected with the induced draft fan, the air outlet of the outer tube is connected with the combustion-supporting gas inlet through a combustion-supporting gas pipeline,
the ash removing mechanism is connected to the air inlet end of the inner pipe and is used for inputting dredging air flow into the inner pipe to remove dust.
Furthermore, the fire grate is arranged in a three-stage ladder shape from top to bottom in an inclined manner.
Further, the inclination angles of the fire grates of each stage are equal, and the inclination angles of the fire grates are 20-30 degrees.
Further, a spiral airflow channel is arranged between the inner tube and the outer tube.
Further, the outer wall of the outer tube is also provided with an insulation layer, and the insulation layer comprises an insulation cotton layer and a ceramic fiber board layer from inside to outside.
Further, an ash bucket is arranged below each fire grate, the bottom end of each ash bucket is mutually communicated to an ash collecting bucket, and the bottom of each ash collecting bucket is provided with a slag discharging port.
Further, the first flue gas pipeline, the second flue gas pipeline, the third flue gas pipeline, the fourth flue gas pipeline and the combustion-supporting gas pipeline are all connected with first control valves.
Further, the ash cleaning mechanism comprises an ash cleaning air flow pipe and a second control valve, one end of the ash cleaning air flow pipe is communicated with the air inlet of the inner pipe, the other end of the ash cleaning air flow pipe is communicated with the high-pressure air device, and the second control valve is arranged on the ash cleaning air flow pipe.
By adopting the technical scheme, the utility model has the following beneficial effects:
the utility model utilizes part of flue gas waste heat to dry garbage in the drying bin, and utilizes part of flue gas waste heat to exchange heat with combustion-supporting gas entering the incinerator by arranging the replacement heat pipe, thereby improving the problem of flame-retardant gas entering the incinerator body, ensuring that the temperature in the incinerator is not affected, fully utilizing the flue gas waste heat, reducing the energy consumption of the system, simultaneously, enabling the heat exchange pipe to remove ash in time by arranging the ash removing device, avoiding dust deposition and reducing the heat exchange efficiency. The flue gas waste heat can be utilized, the heat exchange efficiency of the heat exchanger is improved, and the system is more energy-saving.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of a heat exchange tube according to the present utility model;
in the figure: the device comprises a 1-incinerator, a 101-grate, a 102-ash bucket, a 103-ash collecting bucket, a 104-spray gun gas port, a 105-combustion-supporting gas inlet, a 106-smoke outlet, a 2-drying bin, a 201-heating interlayer, a 3-heat exchange tube, a 301-inner tube, a 302-outer tube, a 303-heat insulation layer, a 3031-heat insulation cotton layer, a 3032-ceramic fiber board layer, a 304-air flow channel, a 4-induced draft fan, a 5-first smoke pipeline, a 6-second smoke pipeline, a 7-third smoke pipeline, a 8-fourth smoke pipeline, a 9-combustion-supporting gas pipeline, a 10-first control valve, a 11-ash-removing gas flow tube, a 12-second control valve, a 13-high-pressure gas device and a 14-smoke treatment device.
Detailed Description
In order to enable those skilled in the art to better understand the present utility model, the following description will make clear and complete descriptions of the technical solutions according to the embodiments of the present utility model with reference to the accompanying drawings. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The terms first, second and the like in the description and in the claims and in the above-described figures are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
As shown in fig. 1 and 2, an energy-saving garbage disposal incinerator 1 comprises an incinerator 1, a drying bin 2, a heat exchange tube 3 and an ash cleaning mechanism; a combustion layer is arranged in the incinerator 1, a fire grate 101 is arranged below the combustion layer, a smoke outlet 106 is arranged at the top of the incinerator 1, and a spray gun gas port 104 and a combustion-supporting gas inlet 105 are arranged on the side wall of the incinerator 1; the drying bin 2 is connected to the feed inlet of the incinerator 1, a hollow heating interlayer 201 is arranged on the outer wall of the drying bin 2, a heating medium inlet on the heating interlayer 201 is connected with the smoke outlet 106 through a first smoke pipeline 5, and a heating medium outlet is connected to the smoke treatment device 14 through a second smoke pipeline 6; the heat exchange tube 3 is provided with an inner tube 301 and an outer tube 302, the air inlet of the inner tube 301 is connected with the smoke outlet 106 through a third smoke pipeline 7, the air outlet of the inner tube 301 is connected with the smoke treatment device 14 through a fourth smoke pipeline 8, the air inlet of the outer tube 302 is connected with the induced draft fan 4, the air outlet of the outer tube 302 is connected with the combustion-supporting gas inlet 105 through a combustion-supporting gas pipeline 9, and the ash cleaning mechanism is connected with the air inlet end of the inner tube 301 and used for inputting dredging airflow into the inner tube 301 to clean dust. Because the flue gas contains a large amount of dust, the inner tube 301 is easy to adhere with dust in the long-term heat exchange process, and is not cleaned for a long time, so that heat transfer is easy to be blocked, and heat exchange efficiency is reduced. The ash removing mechanism mainly performs ash removing treatment on the inner pipe 301 through high-pressure air flow.
In order to enable the system to be more energy-saving, the waste to be incinerated in the drying bin 2 is dried by utilizing the waste heat of the flue gas, meanwhile, combustion-supporting gas entering the incinerator 1 is preheated by utilizing the waste heat of the flue gas, the temperature in the incinerator 1 is not affected, and the energy consumption is reduced. In addition, the heat exchange tube 3 can remove ash in time, so that dust deposition is avoided, and the system efficiency is reduced. The device can fully utilize the waste heat of the flue gas, ensures the heat exchange efficiency at the same time, and enables the system to be more energy-saving.
In order to improve the combustion efficiency in the present application, the grate 101 is arranged in a three-stage step shape from top to bottom in an inclined manner. The inclination angles of the fire grates 101 of each stage are equal, and the inclination angle of the fire grates 101 is 20-30 degrees. The materials in the drying bin 2 firstly enter the primary grate 101 for pre-combustion, then fall into the secondary grate 101 for further combustion, and finally fall into the tertiary grate 101 for burnout. The layers of the fire grates 101 at each stage are obliquely arranged, so that materials on the fire grate 101 at the upper stage can fall into the fire grate 101 at the lower stage.
In order to improve the heat exchange efficiency, a spiral airflow channel 304 is arranged between the inner tube 301 and the outer tube 302. The structure improves the heat exchange path of the combustion-supporting gas, improves the temperature of the combustion-supporting gas as much as possible, and reduces the energy loss.
In order to reduce heat loss, the outer wall of the outer tube 302 is further provided with a heat insulation layer 303, and the heat insulation layer 303 comprises a heat insulation cotton layer 3031 and a ceramic fiber board layer 3032 which are arranged from inside to outside. The thickness of the insulation cotton layer 3031 and the ceramic fiber sheet layer 3032 may be set in the range of 20 to 30 mm.
An ash bucket 102 is arranged below each fire grate 101, the bottom end of each ash bucket 102 is mutually communicated with an ash collecting bucket 103, and the bottom of the ash collecting bucket 103 is provided with a slag discharging port. The ash bucket 102 can collect ash from each grate 101 and discharge the collected ash into the ash receiving bucket, and workers can remove the ash at regular time through the slag discharging port.
The first flue gas pipeline 5, the second flue gas pipeline 6, the third flue gas pipeline 7, the fourth flue gas pipeline 8 and the combustion-supporting gas pipeline 9 are all connected with a first control valve 10. The first control valve 10 is used for controlling the opening and closing of each pipeline.
The ash cleaning mechanism comprises an ash cleaning gas flow pipe 11 and a second control valve 12, one end of the ash cleaning gas flow pipe 11 is communicated with the air inlet of the inner pipe 301, the other end of the ash cleaning gas flow pipe is communicated with the high-pressure gas device 13, the high-pressure gas device 13 can be a pressure pump or a pressure tank, and the second control valve 12 is arranged on the ash cleaning gas flow pipe 11. The second control valve 12 is used for controlling the opening and closing of the ash removal gas flow pipe 11, so that the flue gas is prevented from flowing into the ash removal gas flow pipe 11 when the heat exchange pipe 3 exchanges heat.
The first control valve 10 and the second control valve 12 in the present application may be conventional solenoid valve bodies, so as to facilitate remote control.
The working principle of the utility model is as follows:
when the garbage incinerator is used, garbage enters the drying bin 2, enters the incinerator 1 from the drying bin 2, the incinerator 1 incinerates the garbage in the incinerator through the spray gun gas port 104, smoke generated by incineration enters the drying bin 2 and the heat exchange tube 3 respectively, the garbage is dried in the drying bin 2 through smoke waste heat, combustion-supporting gas entering the incinerator 1 is preheated through the smoke waste heat in the heat exchanger, the temperature of the gas entering the incinerator is improved, the influence on the temperature in the incinerator is reduced, and the smoke waste heat can be effectively utilized to enable the system to be more energy-saving. The flue gas from the drying bin 2 and the heat exchange tube 3 enters the flue gas treatment device 14 for dust removal. After a period of use, the second control valve 12 on the ash removal airflow pipe 11 is opened by closing the valve on the flue gas pipeline entering the heat exchange pipe 3, so that dust deposited in the heat exchange pipe 3 can be removed by utilizing high-pressure airflow, the long-term deposition is avoided, the heat exchange efficiency of the heat exchange pipe is improved, and the system is more energy-saving.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (8)
1. An energy-saving garbage disposal incinerator, characterized by comprising;
the incinerator is internally provided with a combustion layer, a fire grate is arranged below the combustion layer, the top of the incinerator is provided with a smoke outlet, and the side wall of the incinerator is provided with a spray gun gas port and a combustion-supporting gas inlet;
the drying bin is connected to the feeding hole of the incinerator, a hollow heating interlayer is arranged on the outer wall of the drying bin, a heating medium inlet on the heating interlayer is connected with the smoke outlet through a first smoke pipeline, and a heating medium outlet of the drying bin is connected to the smoke treatment device through a second smoke pipeline;
the heat exchange tube is provided with an inner tube and an outer tube, the air inlet of the inner tube is connected with the smoke outlet through a third smoke pipeline, the air outlet of the inner tube is connected with the smoke treatment device through a fourth smoke pipeline, the air inlet of the outer tube is connected with the induced draft fan, the air outlet of the outer tube is connected with the combustion-supporting gas inlet through a combustion-supporting gas pipeline,
the ash removing mechanism is connected to the air inlet end of the inner pipe and is used for inputting dredging air flow into the inner pipe to remove dust.
2. The energy-saving garbage disposal incinerator according to claim 1, wherein the fire grate is arranged in a three-stage step shape from top to bottom in an inclined manner.
3. An energy efficient waste disposal incinerator according to claim 2 wherein the inclination angles of the grates of each stage are equal, the inclination angles of the grates being 20-30 °.
4. An energy efficient waste disposal incinerator according to claim 1, wherein a helical air flow passage is provided between the inner and outer tubes.
5. The energy-saving garbage disposal incinerator according to claim 4, wherein the outer wall of the outer tube is further provided with a heat-insulating layer, and the heat-insulating layer comprises a heat-insulating cotton layer and a ceramic fiber board layer from inside to outside.
6. An energy-saving garbage disposal incinerator according to claim 2 or 3, wherein an ash bucket is arranged below each fire grate, the bottom end of each ash bucket is mutually communicated with an ash collecting bucket, and the bottom of the ash collecting bucket is provided with a slag discharging port.
7. The energy-saving garbage disposal incinerator according to claim 1, wherein the first flue gas pipeline, the second flue gas pipeline, the third flue gas pipeline, the fourth flue gas pipeline and the combustion-supporting gas pipeline are all connected with first control valves.
8. The energy-saving garbage disposal incinerator according to claim 1, wherein the ash removal mechanism comprises an ash removal gas flow pipe and a second control valve, one end of the ash removal gas flow pipe is communicated with the air inlet of the inner pipe, the other end of the ash removal gas flow pipe is communicated with the high-pressure gas device, and the second control valve is arranged on the ash removal gas flow pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320594581.0U CN219414782U (en) | 2023-03-23 | 2023-03-23 | Energy-saving garbage disposal incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320594581.0U CN219414782U (en) | 2023-03-23 | 2023-03-23 | Energy-saving garbage disposal incinerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219414782U true CN219414782U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320594581.0U Active CN219414782U (en) | 2023-03-23 | 2023-03-23 | Energy-saving garbage disposal incinerator |
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| Country | Link |
|---|---|
| CN (1) | CN219414782U (en) |
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- 2023-03-23 CN CN202320594581.0U patent/CN219414782U/en active Active
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