CN111425865A - Efficient energy-saving device for garbage disposal - Google Patents
Efficient energy-saving device for garbage disposal Download PDFInfo
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- CN111425865A CN111425865A CN202010376319.XA CN202010376319A CN111425865A CN 111425865 A CN111425865 A CN 111425865A CN 202010376319 A CN202010376319 A CN 202010376319A CN 111425865 A CN111425865 A CN 111425865A
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- insulation box
- heat
- energy
- heat insulation
- garbage disposal
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 37
- 238000009413 insulation Methods 0.000 claims abstract description 47
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 239000000779 smoke Substances 0.000 claims abstract description 11
- 238000005338 heat storage Methods 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 239000011232 storage material Substances 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 14
- 229910017053 inorganic salt Inorganic materials 0.000 claims description 13
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 9
- 239000003546 flue gas Substances 0.000 claims description 9
- 239000002699 waste material Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 239000001110 calcium chloride Substances 0.000 claims description 3
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
- 238000013329 compounding Methods 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims 3
- 238000009833 condensation Methods 0.000 abstract description 3
- 230000005494 condensation Effects 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 15
- 239000002912 waste gas Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 238000004321 preservation Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000004056 waste incineration Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
- F23J2217/50—Intercepting solids by cleaning fluids (washers or scrubbers)
Abstract
The invention discloses a high-efficiency energy-saving device for garbage treatment, which comprises a garbage incinerator, wherein a smoke discharge port of the garbage incinerator is connected with an inlet of a smoke filter through a pipeline, an electromagnetic valve is installed on the smoke discharge port, the high-efficiency energy-saving device also comprises an insulation can, an opening is formed in the side surface of the insulation can, a switch door is installed on the opening and is connected with the opening through a hinge, a handle is arranged on the switch door, a rubber sealing strip is adhered to the edge of the switch door, a plurality of round holes are formed in the switch door, and the round holes are communicated with the cavity in the insulation can. The invention has the advantages that the heat generated by combustion can be recovered and stored for a long time, the utilization efficiency of energy is improved, and meanwhile, the smoke generated by combustion is further purified through condensation phenomenon.
Description
Technical Field
The invention relates to the technical field of high-efficiency energy conservation of garbage treatment, in particular to a high-efficiency energy-saving device for garbage treatment.
Background
Garbage disposal is always an important working link in environmental management, and the current common garbage disposal modes comprise garbage landfill, garbage decomposition and garbage incineration; for the rubbish that can not landfill degradation and decomposition, the mode of incineration disposal can all be adopted generally, at the in-process of incineration disposal rubbish, can face two problems, the first problem is that the flue gas that the msw incineration in-process produced can the polluted environment, the second problem is if the heat that produces at the in-process of incineration rubbish directly releases in the air, has caused the waste of the energy, also influences the environment simultaneously.
Disclosure of Invention
The invention aims to solve the problems and designs an efficient energy-saving device for garbage disposal.
The technical scheme of the invention is that the high-efficiency energy-saving device for garbage treatment comprises a garbage incinerator, wherein a smoke discharge port of the garbage incinerator is connected with an inlet of a smoke filter through a pipeline, an electromagnetic valve is arranged on the smoke discharge port,
the side surface of the heat insulation box is provided with an opening, a switch door is installed on the opening and is connected with the opening through a hinge, a handle is arranged on the switch door, a rubber sealing strip is adhered to the edge of the switch door, the switch door is provided with a plurality of round holes, and the round holes are communicated with the inner cavity of the heat insulation box;
the heat insulation box is characterized in that a serpentine coil is arranged in the heat insulation box, ports at two ends of the serpentine coil extend out of the side surface of the heat insulation box, a plurality of bearing plates are fixedly arranged at the gap of the serpentine coil in the heat insulation box, the bearing plates are arc-shaped plates, the number of the bearing plates is the same as that of round holes in a switch door, the positions of the bearing plates correspond to the positions of the round holes in the switch door one by one, the heat insulation box also comprises a plurality of heat exchangers, the number of the heat exchangers is the same as that of the round holes in the switch door, and one end of each heat exchanger is inserted into;
the heat exchanger comprises a metal mesh cylinder, one end port of the metal mesh cylinder is closed, an end cover is fixedly connected to the other end port of the metal mesh cylinder, a heat storage material is filled in the metal mesh cylinder, a sealing bulge is arranged on the surface of the end cover connected with the metal mesh cylinder, and a handle is arranged on the other surface of the end cover;
the outlet of the flue gas filter is connected with one end port of the serpentine coil on the heat insulation box through a pipeline, the other end port of the serpentine coil is connected with the mixing box through a pipeline, an exhaust port is formed in the mixing box, a steam pipe is arranged on the heat insulation box, one end of the steam pipe is communicated with the inner cavity of the heat insulation box, the other end of the steam pipe is communicated with the inner cavity of the mixing box, and a vacuum pump is arranged on the steam pipe.
The heat storage material is an adsorption heat storage material compounded by a porous material and water-absorbing inorganic salt.
The porous material is activated carbon, the water-absorbing inorganic salt is selected from the compound of inorganic salt with strong water absorption and inorganic salt with medium water absorption, and the compound combination mode comprises MgSO4/L iCl or MgSO4/CaCl2。
And a barometer is fixedly arranged on the heat insulation box and used for detecting the air pressure in the heat insulation box.
The shape and the size of the sealing bulge are matched with those of the round hole, and the side surface of the sealing bulge is in interference fit with the inner surface of the round hole after the sealing bulge is inserted into the round hole.
The end cover is a circular plate-shaped structure made of heat insulating materials and can be detached from the metal mesh cylinder.
Thermocouples are arranged on openings at two ends of the serpentine coil, thermocouples are fixedly arranged in the heat insulation box, and the thermocouples are connected with a computer through a data acquisition instrument.
And a waste liquid discharge port is arranged on the mixing box, and a manual valve is arranged on the waste liquid discharge port.
And a sealing ring is arranged at the contact part of the side surface of the heat insulation box and the snakelike coil pipe.
And a door lock is arranged on the switch door.
Advantageous effects
The efficient energy-saving device for garbage disposal manufactured by the technical scheme of the invention has the following advantages:
1. the device utilizes the heat storage material to recycle the heat energy generated in the waste incineration treatment, thereby not only effectively reducing the waste of the heat energy and improving the recycling efficiency of the heat energy, but also avoiding the heat pollution of high-temperature airflow to the environment and relieving the problem of high-temperature effect;
2. the device utilizes the water vapor generated in the heat storage process of the heat storage material to carry out secondary filtration on the residual dust and the flue gas after passing through the flue gas filter, further purifies the flue gas generated by burning the garbage, improves the emission quality and saves the filtration cost;
3. the device has simple and reasonable structural design, does not need too many devices, saves the manufacturing and production cost, has stronger market competitiveness, and is suitable for large-area use and popularization.
Drawings
FIG. 1 is a schematic diagram of the energy efficient apparatus for garbage disposal according to the present invention;
FIG. 2 is a schematic view of the structure of the incubator of the present invention;
FIG. 3 is a schematic diagram of the heat exchanger of the present invention;
in the figure, 1, a garbage incinerator; 2. a flue gas filter; 3. an electromagnetic valve; 4. a heat preservation box; 5. opening and closing the door; 6. a hinge; 7. a handle; 8. a circular hole; 9. a serpentine coil; 10. a carrier plate; 11. a heat exchanger; 12. a metal mesh cylinder; 13. an end cap; 14. sealing the protrusion; 15. a handle; 16. a mixing box; 17. an exhaust port; 18. a steam pipe; 19. a barometer; 20. a thermocouple; 21. a waste liquid discharge port; 22. and (4) a manual valve.
Detailed Description
The invention is described in detail with reference to the accompanying drawings, as shown in fig. 1-3, the invention is characterized in that an opening is arranged on the side surface of the heat preservation box, a switch door 5 is arranged on the opening, the switch door is connected with the opening through a hinge 6, a handle 7 is arranged on the switch door, a rubber sealing strip is adhered to the edge of the switch door, a plurality of round holes 8 are arranged on the switch door, and the round holes are communicated with the inner cavity of the heat preservation box; the heat insulation box is characterized in that a serpentine coil 9 is arranged in the heat insulation box, ports at two ends of the serpentine coil extend out of the side surface of the heat insulation box, a plurality of bearing plates 10 are fixedly arranged at the gap of the serpentine coil in the heat insulation box, the bearing plates are arc-shaped plates, the number of the bearing plates is the same as that of round holes in a switch door, the positions of the bearing plates correspond to the positions of the round holes in the switch door one by one, the heat insulation box also comprises a plurality of heat exchangers 11, the number of the heat exchangers is the same as that of the round holes in the switch door, and one end of each heat exchanger is inserted into; the heat exchanger comprises a metal mesh cylinder 12, one end port of the metal mesh cylinder is closed, an end cover 13 is fixedly connected to the other end port of the metal mesh cylinder, a heat storage material is filled in the metal mesh cylinder, a sealing bulge 14 is arranged on the surface of the end cover connected with the metal mesh cylinder, and a handle 15 is arranged on the other surface of the end cover; the outlet of the flue gas filter is connected with one end port of the serpentine coil on the heat insulation box through a pipeline, the other end port of the serpentine coil is connected with a mixing box 16 through a pipeline, an exhaust port 17 is arranged on the mixing box, a steam pipe 18 is arranged on the heat insulation box, one end of the steam pipe is communicated with the inner cavity of the heat insulation box, the other end of the steam pipe is communicated with the inner cavity of the mixing box, and a vacuum pump is arranged on the steam pipe.
The creation point of the application is that the heat storage material is an adsorption heat storage material formed by compounding a porous material and a water-absorbing inorganic salt, the porous material is activated carbon, the water-absorbing inorganic salt is selected from the combination of a strong water-absorbing inorganic salt and a medium water-absorbing inorganic salt, and the combination mode of the combination mode comprises MgSO4/L iCl or MgSO4/CaCl2The heat insulation box is fixedly provided with a barometer, the barometer detects the air pressure in the heat insulation box, the shape and the size of the sealing bulge are matched with the circular hole, the side surface of the sealing bulge is in interference fit with the inner surface of the circular hole after the sealing bulge is inserted into the circular hole, the end cover is of a circular plate-shaped structure made of heat insulation materials and can be detached from the metal mesh cylinder, the openings at two ends of the serpentine coil are provided with thermocouples, particularly ports connected with the mixing box, technicians can detect the temperature of low-temperature waste gas discharged after heat exchange according to the thermocouples on the ports, if the temperature of the low-temperature waste gas exceeds a set value (the set value is 40-50 degrees), the heat exchanger in the heat insulation box can be judged to have completed the heat exchange process, and a new heat exchanger is required at the moment; the heat insulation box is characterized in that a thermocouple is fixedly installed in the heat insulation box and connected with a computer through a data acquisition instrument, a waste liquid discharge port is formed in the mixing box, a manual valve is arranged on the waste liquid discharge port, a sealing ring is arranged at the contact position of the side surface of the heat insulation box and the coiled serpentine pipe, and a door lock is installed on the opening and closing door.
The electronic device adopted by the technical scheme comprises:
the vacuum pump can be a conventional vacuum pump on the market, and vacuum pumps with different powers can be selected according to the size requirement of the device;
the thermocouple can be applied to the technical scheme of the application as long as the thermocouple has the functions of collecting temperature information and transmitting the temperature information to the data collector, and no special requirements are required for the structure of the thermocouple.
In the implementation process of the technical scheme, a person in the art needs to connect all the electrical components in the present application with a power supply adapted to the electrical components through a wire, and should select an appropriate controller according to actual conditions to meet control requirements, and specific connection and control sequence.
In the technical scheme, high-temperature waste gas generated by burning garbage in the garbage incinerator passes through a flue gas filter, the high-temperature waste gas is conveyed into a serpentine coil pipe through a pipeline after being filtered, the serpentine coil pipe is made of a copper pipe, and the copper pipe is good in heat conducting property, so that the high-temperature waste gas in the serpentine coil pipe can exchange heat with a heat storage material in a heat exchanger, the heat storage material absorbs heat in the serpentine coil pipe to generate water vapor, and the absorbed heat is stored in a chemical energy form; the high-temperature waste gas is changed into low-temperature waste gas after heat exchange and is discharged into the mixed box body, the temperature of the low-temperature waste gas is 10-20 ℃, at the moment, the steam generated in the heat preservation box is also discharged into the mixed box body, the temperature of the low-temperature waste gas is only 10-20 ℃, therefore, the saturation value of the water in the steam is reduced after the steam meets the low-temperature waste gas, condensation phenomenon is generated, the water generated by the condensation phenomenon can further absorb the residual smoke and dust in the low-temperature waste gas, and further the discharged gas is filtered and purified.
The device utilizes the heat energy storage technology, collects the heat energy generated in the waste incineration process, stores the heat energy through a certain medium, and releases and utilizes the heat energy when needed. The application adopts the heat energy storage technology, and has the advantages of low cost, large capacity and the like. The mobile phone can effectively reduce the heat pollution of the environment through the heat energy generated by burning, simultaneously effectively solves the problem that the energy supply is a reversible chemical reaction in time and thermochemical heat storage, stores and releases the energy by utilizing the interconversion of the heat energy and the chemical energy, and can realize the use in the same day of storage; or the storage in the season, the storage in summer and the use in winter are carried out.
The working principle of the thermochemical energy storage system mainly comprises three stages of heat charging, heat storage and heat release. In the heat charging stage, inorganic salt, namely the hydrate of the water-absorbing inorganic salt adopted in the application absorbs heat, and water vapor is removed from the hydrate; in the heat storage stage, the dehydrated inorganic substances are sealed and stored; in the heat release stage, the inorganic salt absorbs water vapor and releases the heat of the reservoir. As the process is reversible thermochemical reaction, the chemical heat quantity stored and released is large, the heat storage technology has the advantages of high heat storage density which is 10-20 times of that of the traditional sensible heat storage technology and phase change latent heat technology, small heat storage loss, long-term storage, small temperature fluctuation in the heat release process, reusability and the like, so that the heat storage technology is more and more emphasized and has wide application prospect.
In the technical scheme, the heat storage material in the heat exchanger can absorb the heat of high-temperature airflow in the serpentine coil, and can release water vapor contained in the serpentine coil when absorbing heat so as to perform lossless heat storage; when releasing heat, the heat storage material can be promoted to release heat only by providing water vapor to the heat exchanger for chemical combination reaction.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (10)
1. A high-efficiency energy-saving device for garbage disposal comprises a garbage incinerator (1), wherein a smoke discharge port of the garbage incinerator is connected with an inlet of a smoke filter (2) through a pipeline, an electromagnetic valve (3) is arranged on the smoke discharge port, and the high-efficiency energy-saving device is characterized in that,
the heat insulation box is characterized by further comprising a heat insulation box (4), an opening is formed in the side surface of the heat insulation box, a switch door (5) is installed on the opening and connected with the opening through a hinge (6), a handle (7) is arranged on the switch door, a rubber sealing strip is adhered to the edge of the switch door, a plurality of round holes (8) are formed in the switch door, and the round holes are communicated with the inner cavity of the heat insulation box;
the heat insulation box is characterized in that a serpentine coil (9) is arranged in the heat insulation box, ports at two ends of the serpentine coil extend out of the side surface of the heat insulation box, a plurality of bearing plates (10) are fixedly arranged at the gap of the serpentine coil in the heat insulation box, the bearing plates are arc-shaped plates, the number of the bearing plates is the same as that of round holes in a switch door, the positions of the bearing plates correspond to the positions of the round holes in the switch door one by one, the heat insulation box also comprises a plurality of heat exchangers (11), the number of the heat exchangers is the same as that of the round holes in the switch door, and one end of each heat exchanger is;
the heat exchanger comprises a metal mesh cylinder (12), one end port of the metal mesh cylinder is closed, an end cover (13) is fixedly connected to the other end port of the metal mesh cylinder, a heat storage material is filled in the metal mesh cylinder, a sealing bulge (14) is arranged on the surface of the end cover connected with the metal mesh cylinder, and a handle (15) is arranged on the other surface of the end cover;
the outlet of the flue gas filter is connected with one end port of the serpentine coil on the heat insulation box through a pipeline, the other end port of the serpentine coil is connected with a mixing box (16) through a pipeline, an exhaust port (17) is formed in the mixing box, a steam pipe (18) is arranged on the heat insulation box, one end of the steam pipe is communicated with the inner cavity of the heat insulation box, the other end of the steam pipe is communicated with the inner cavity of the mixing box, and a vacuum pump is arranged on the steam pipe.
2. The energy-efficient apparatus for garbage disposal according to claim 1, wherein the heat storage material is an adsorption heat storage material formed by compounding a porous material and a water-absorbing inorganic salt.
3. The energy-efficient device for garbage disposal according to claim 2, wherein the porous material is activated carbon, the water-absorbing inorganic salt is selected from the group consisting of inorganic salts with strong water absorption and inorganic salts with medium water absorption, and the combination of the inorganic salts comprises MgSO4/L iCl or MgSO4/CaCl2。
4. The energy-efficient device for garbage disposal according to claim 1, wherein a barometer (19) is fixedly installed on the thermal insulation box, and the barometer detects the air pressure in the thermal insulation box.
5. The energy-efficient apparatus for garbage disposal according to claim 1, wherein the shape and size of the sealing protrusion match the circular hole, and it is ensured that the side surface of the sealing protrusion forms an interference fit with the inner surface of the circular hole after the sealing protrusion is inserted into the circular hole.
6. The energy efficient and efficient device for garbage disposal according to claim 1, wherein the end cap is a circular plate-shaped structure made of heat insulating material, and the end cap is detachable from the metal mesh cylinder.
7. The energy-efficient device for garbage disposal according to claim 1, wherein thermocouples (20) are installed on both openings of the serpentine coil, and a thermocouple is fixedly installed in the thermal insulation box and connected to a computer through a data acquisition instrument.
8. The energy-efficient apparatus for garbage disposal according to claim 1, wherein the mixing tank is provided with a waste liquid discharge port (21), and the waste liquid discharge port is provided with a manual valve (22).
9. The energy-efficient apparatus for garbage disposal according to claim 1, wherein a sealing ring is disposed at a contact portion of the side surface of said thermal insulation box and said serpentine coil.
10. The energy efficient and efficient device for garbage disposal according to claim 1, wherein a door lock is installed on the opening and closing door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010376319.XA CN111425865B (en) | 2020-05-07 | 2020-05-07 | Efficient energy-saving device for garbage disposal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010376319.XA CN111425865B (en) | 2020-05-07 | 2020-05-07 | Efficient energy-saving device for garbage disposal |
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| CN111425865A true CN111425865A (en) | 2020-07-17 |
| CN111425865B CN111425865B (en) | 2022-03-11 |
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