CN220911939U - Kitchen garbage drying system and device - Google Patents
Kitchen garbage drying system and device Download PDFInfo
- Publication number
- CN220911939U CN220911939U CN202322330191.5U CN202322330191U CN220911939U CN 220911939 U CN220911939 U CN 220911939U CN 202322330191 U CN202322330191 U CN 202322330191U CN 220911939 U CN220911939 U CN 220911939U
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- Prior art keywords
- filtering
- crusher
- freeze dryer
- kitchen waste
- stirring
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- 238000001035 drying Methods 0.000 title claims abstract description 25
- 239000010813 municipal solid waste Substances 0.000 title claims description 15
- 238000001914 filtration Methods 0.000 claims abstract description 57
- 239000010806 kitchen waste Substances 0.000 claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000001877 deodorizing effect Effects 0.000 claims abstract description 8
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 38
- 239000007789 gas Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 12
- 239000012634 fragment Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000003546 flue gas Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 16
- 239000002699 waste material Substances 0.000 abstract description 12
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
- 231100000719 pollutant Toxicity 0.000 abstract description 5
- 238000004108 freeze drying Methods 0.000 abstract description 4
- 239000002351 wastewater Substances 0.000 abstract description 3
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000007710 freezing Methods 0.000 description 4
- 230000008014 freezing Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000002386 leaching Methods 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000000859 sublimation Methods 0.000 description 2
- 230000008022 sublimation Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a kitchen waste drying system and a kitchen waste drying device, which belong to the technical field of waste treatment and comprise a filtering crusher, wherein the filtering crusher is connected with a heat exchanger and a dehydrator; the heat exchanger is connected with a freeze dryer; the freeze dryer is connected with a vacuum pump; the vacuum pump is connected with a dehydrator; the dehydrator is also connected with deodorizing equipment and wastewater treatment equipment. Through the mode, a large amount of wastewater on the surface of the kitchen waste can be removed, and the kitchen waste is crushed into small pieces so as to facilitate freeze drying of water in the kitchen waste; the concentration of the finally obtained freeze-dried liquid pollutant after freeze drying is very low, and the treatment is very simple.
Description
Technical Field
The utility model relates to the technical field of garbage treatment, in particular to a kitchen garbage drying system and device.
Background
The kitchen garbage has the characteristics of high water content and high organic matter content. The water content is up to about 80%, and the heat value is too low to enable the waste to be directly incinerated. At present, kitchen waste drying equipment comprises a reaction bin, a heating mechanism and a stirring mechanism. Along with the continuous evaporation of water in the kitchen waste, the air humidity in the reaction bin is continuously improved, and the water evaporation efficiency is reduced, so that the drying efficiency of the kitchen waste is affected.
Patent CN202220520408.1 discloses a kitchen waste drying device: through adopting condensation plate, cooling piece and drain pipe, make the steam that steam evaporation formed in the kitchen garbage condense into the drop of water on the condensation plate and discharge the reaction storehouse through the drain pipe, reduced the air humidity in the reaction storehouse to the efficiency of kitchen garbage drying equipment heating evaporation kitchen garbage has been improved.
The solution also has the problems of: the water in the kitchen waste is directly evaporated in a heating mode, and some low-boiling-point pollutants are evaporated, so that the concentration of the pollutants in the waste liquid formed by condensation after evaporation is too high, and the cost for treating the waste liquid is too high.
Based on the problems, the utility model designs a kitchen waste drying system and a kitchen waste drying device to solve the problems.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model provides a kitchen waste drying system and a kitchen waste drying device.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
a kitchen waste drying system and device comprises a filtering crusher;
the filtering crusher is connected with a heat exchanger and a dehydrator;
the heat exchanger is connected with a freeze dryer;
the freeze dryer is connected with a vacuum pump;
The vacuum pump is connected with the dehydrator;
the dehydrator is also connected with deodorizing equipment and wastewater treatment equipment.
Further, the filtering crusher comprises a filtering crusher feed inlet, a stirring and pushing crushing device, a leachate collecting layer, a leachate discharge outlet and a discharge outlet; the feed inlet of the filtering crusher is arranged at the upper left part of the whole filtering crusher; the stirring and pushing crushing device penetrates through the filtering crusher in the left-right direction; the power device of the stirring and pushing crushing device is fixedly connected to the right side wall of the filtering crusher; the leachate collecting layer is positioned at the bottom end of the filtering crusher; the draining outlet and the discharging outlet are both arranged at the right bottom end of the filtering crusher; the draining outlet is communicated with the dehydrator; the discharge port is communicated with the heat exchanger.
Further, the stirring, pushing and crushing device comprises a first power device, a first power shaft, a filtering section blade and crushing section fragments; the first power device is fixedly connected with the right side wall of the filtering crusher; the right end of the first power shaft is fixedly connected with the output end of the first power device; the blade of the filter section is fixedly connected with the left end of the first power shaft; the broken piece of the breaking section is fixedly connected with the right end of the first power shaft.
Further, the broken pieces of the broken section are chain type broken pieces.
Further, the freeze dryer comprises a cold dryer feed inlet, a first valve, a refrigerating device, a cold air outlet, a hot air inlet, a stirring and pushing device, a dry material discharge outlet, a second valve, an exhaust hole and a third valve; the cold dryer feed inlet is arranged at the upper left part of the freeze dryer; a first valve is connected to the feeding port of the cold dryer; the refrigerating device is fixedly connected to the left side wall of the freeze dryer and is communicated with the inside of the freeze dryer; the cold air outlet is arranged on the left side wall of the freeze dryer; the hot gas inlet is formed at the right end of the stirring and propelling device; the stirring and pushing device penetrates through the freeze dryer in the left-right direction; the power device of the stirring propulsion device is fixedly connected to the right side wall of the freeze dryer; the dry material discharge port is arranged at the right bottom end of the freeze dryer; a second valve is connected to the dry material discharge port; the exhaust hole is arranged at the right top end of the freeze dryer; the third valve is connected to the exhaust hole; the exhaust hole is communicated with a vacuum pump.
Further, the cold dryer feed inlet is communicated with the heat exchanger.
Furthermore, the hot gas filled in the hot gas inlet is high-temperature flue gas generated by garbage incineration.
Still further, the third valve is a one-way valve that can only vent gas from the freeze dryer.
Advantageous effects
According to the kitchen waste filtering crusher, kitchen waste enters the filtering crusher from a filtering crusher feed inlet of the filtering crusher; the first power device of the stirring, pushing and crushing device of the filtering crusher drives the first power shaft of the stirring, pushing and crushing device to rotate; the first power shaft drives the filter section paddle blades and the broken fragments of the breaking section of the stirring and pushing device to rotate; the blade of the filtering section rotates to push kitchen waste to the right; kitchen waste moves rightwards and is broken into small pieces by broken fragments of the breaking section; discharging small kitchen garbage from a discharge port of the filtering crusher into a heat exchanger for subsequent treatment; in the process of rightward movement of kitchen waste, the waste liquid on the surface of the kitchen waste is downwards discharged into a leaching liquid collecting layer of the filtering crusher; then the waste liquid is discharged into a dehydrator from a leaching liquid discharge port of the filtering crusher for dehydration; through the mode, a large amount of wastewater on the surface of the kitchen waste can be removed, and the kitchen waste is crushed into small pieces, so that the subsequent freeze drying of the water in the kitchen waste is facilitated;
According to the utility model, a first valve of the freeze dryer is opened, kitchen waste enters the freeze dryer from a heat exchanger through a cold dryer feed inlet of the freeze dryer, and the first valve is closed; then the refrigerating device of the freeze dryer discharges cold air into the freeze dryer to perform quick freezing on kitchen waste, and after the quick freezing is completed, the cold air is discharged from a cold air outlet of the freeze dryer; then the interior of the freeze dryer is pumped into a low-pressure state from an exhaust hole of the freeze dryer by a vacuum pump; a second power device of the stirring propulsion device of the freeze dryer is started again; the second power device drives a second power shaft of the stirring propulsion device to rotate; the second power shaft drives the hollow blade to rotate; meanwhile, hot air is filled into the second power shaft through a hot air inlet of the freeze dryer; the hot air flows into the hollow blade from the second power shaft; heating the rapidly frozen kitchen waste on one side in the rotation process of the hollow blades so as to accelerate sublimation of frozen water in the kitchen waste; on the other hand, pushing the kitchen waste to the right, and discharging the dehydrated kitchen waste from a dry material discharge port of the freeze dryer for subsequent incineration treatment when a second valve of the freeze dryer is opened; when a third valve of the freeze dryer is opened, the vacuum pump pumps steam formed by sublimating frozen moisture in the kitchen waste to the dehydrator from the exhaust hole; then the steam is divided into a waste liquid part and a gas part in the dehydrator; the waste liquid and the previous leachate are discharged into a waste water treatment device together for treatment; the gas part can be directly discharged after being discharged to deodorizing equipment for deodorizing; by the mode, the concentration of the pollutants in the finally obtained freeze-dried liquid is low, and the treatment is simple.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
Fig. 1 is a schematic diagram of a kitchen waste drying system and a device thereof.
Reference numerals in the drawings represent respectively:
1. a filtering crusher; 11. a feed inlet of the filtering crusher; 12. a stirring and propelling crushing device; 121. a first power unit; 122. a first power shaft; 123. a filter segment paddle blade; 124. breaking fragments of the breaking section; 13. a leachate collection layer; 14. draining outlet; 15. a discharge port; 2. a heat exchanger; 3. a freeze dryer; 31. a cold dryer feed inlet; 32. a first valve; 33. a refrigerating device; 34. a cool air outlet; 35. a hot gas inlet; 36. a stirring propulsion device; 361. a second power device; 362. a second power shaft; 363. hollow paddles; 37. a dry material discharge port; 38. a second valve; 39. an exhaust hole; 310. a third valve; 4. a vacuum pump; 5. a water remover; 6. a deodorizing device; 7. a wastewater treatment device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model is further described below with reference to examples.
Example 1
In some embodiments, please refer to fig. 1 of the specification, a kitchen waste drying system and device, including a filtering crusher 1;
The filtering crusher 1 is connected with a heat exchanger 2 and a dehydrator 5;
The heat exchanger 2 is connected with a freeze dryer 3;
the freeze dryer 3 is connected with a vacuum pump 4;
The vacuum pump 4 is connected with the dehydrator 5;
the dehydrator 5 is also connected with a deodorizing device 6 and a wastewater treatment device 7;
The filtering crusher 1 comprises a filtering crusher feed inlet 11, a stirring and pushing crushing device 12, a leachate collecting layer 13, a leachate discharge outlet 14 and a discharge outlet 15; the feed inlet 11 of the filtering crusher is arranged at the upper left part of the whole filtering crusher 1; the stirring and propelling crushing device 12 penetrates the filtering crusher 1 in the left-right direction; the power device of the stirring and pushing crushing device 12 is fixedly connected to the right side wall of the filtering crusher 1; the leachate collecting layer 13 is positioned at the bottom end of the filtering crusher 1; the draining outlet 14 and the discharging outlet 15 are both arranged at the right bottom end of the filtering crusher 1; the leachate discharge port 14 is communicated with the dehydrator 5; the discharge port 15 is communicated with the heat exchanger 2;
The stirring and propelling crushing device 12 comprises a first power device 121, a first power shaft 122, a filtering section blade 123 and a crushing section broken piece 124; the first power device 121 is fixedly connected with the right side wall of the filtering crusher 1; the right end of the first power shaft 122 is fixedly connected with the output end of the first power device 121; the filtering section paddle blade 123 is fixedly connected with the left end of the first power shaft 122; the broken segment 124 is fixedly connected with the right end of the first power shaft 122;
Preferably, the broken pieces 124 of the broken section are chain type;
Kitchen waste enters the filter crusher 1 from a filter crusher feed inlet 11 of the filter crusher 1; the first power device 121 of the stirring and pushing crushing device 12 of the filtering crusher 1 drives the first power shaft 122 of the stirring and pushing crushing device 12 to rotate; the first power shaft 122 drives the filtering section blade 123 and the crushing section fragments 124 of the stirring and pushing crushing device 12 to rotate; the rotation of the blade 123 of the filtering section pushes the kitchen waste to the right; kitchen waste moves rightwards and is broken into small pieces by broken fragments 124 of the broken section; the small kitchen garbage is discharged into the heat exchanger 2 from the discharge port 15 of the filtering crusher 1 for subsequent treatment; in the process of rightward movement of the kitchen waste, the waste liquid on the surface of the kitchen waste is downwards discharged into a leaching liquid collecting layer 13 of the filtering crusher 1; then the waste liquid is discharged into the dehydrator 5 from the draining outlet 14 of the filtering crusher 1 for dehydration; through the mode, a large amount of wastewater on the surface of the kitchen waste can be removed, and the kitchen waste is crushed into small pieces, so that the subsequent freeze drying of the water in the kitchen waste is facilitated;
The freeze dryer 3 comprises a cold dryer feed inlet 31, a first valve 32, a refrigerating device 33, a cold air outlet 34, a hot air inlet 35, a stirring and pushing device 36, a dry material discharge outlet 37, a second valve 38, an exhaust hole 39 and a third valve 310; the cold dryer feed inlet 31 is communicated with the heat exchanger 2; the cold dryer feed inlet 31 is arranged at the upper left part of the freeze dryer 3; the cold dryer feed inlet 31 is connected with a first valve 32; the refrigerating device 33 is fixedly connected to the left side wall of the freeze dryer 3 and is communicated with the inside of the freeze dryer 3; the cool air outlet 34 is arranged on the left side wall of the freeze dryer 3; the hot gas inlet 35 is arranged at the right end of the stirring propulsion device 36; the stirring and pushing device 36 penetrates the freeze dryer 3 in the left-right direction; the power device of the stirring propulsion device 36 is fixedly connected to the right side wall of the freeze dryer 3; a dry material discharge port 37 is formed at the right bottom end of the freeze dryer 3; a second valve 38 is connected to the dry material outlet 37; the exhaust hole 39 is arranged at the right top end of the freeze dryer 3; the third valve 310 is connected to the exhaust hole 39; the exhaust hole 39 is communicated with the vacuum pump 4;
Preferably, the hot gas filled in the hot gas inlet 35 is high-temperature flue gas generated by garbage incineration;
Preferably, the third valve 310 is a one-way valve that can only discharge gas from the freeze dryer 3;
The stirring propulsion device 36 comprises a second power device 361, a second power shaft 362 and hollow paddles 363; the second power device 361 is fixedly connected with the right side wall of the freeze dryer 3; the right end of the second power shaft 362 is fixedly connected with the output end of the second power device 361; the hollow blade 363 is fixedly connected with the second power shaft 362;
Opening a first valve 32 of the freeze dryer 3, allowing kitchen waste to enter the freeze dryer 3 from the heat exchanger 2 through a cold dryer feed inlet 31 of the freeze dryer 3, and closing the first valve 32; then, the refrigerating device 33 of the freeze dryer 3 discharges cold air into the freeze dryer 3 to perform quick freezing on kitchen waste, and after the quick freezing is completed, the cold air is discharged from the cold air outlet 34 of the freeze dryer 3; subsequently, the inside of the freeze-dryer 3 is evacuated to a low air pressure state from the exhaust hole 39 of the freeze-dryer 3 by the vacuum pump 4; the second power means 361 of the stirring propulsion means 36 of the freeze dryer 3 is restarted; the second power device 361 drives the second power shaft 362 of the stirring propulsion device 36 to rotate; the second power shaft 362 drives the hollow blade 363 to rotate; meanwhile, hot air is charged into the second power shaft 362 through the hot air inlet 35 of the freeze dryer 3; hot air flows from the second power shaft 362 into the hollow blades 363; in the rotating process of the hollow blades 363, the quick-frozen kitchen waste is heated on one hand to accelerate the sublimation of frozen water in the kitchen waste; pushing the kitchen waste to the right, and discharging the dehydrated kitchen waste from a dry material discharge port 37 of the freeze dryer 3 for subsequent incineration treatment when a second valve 38 of the freeze dryer 3 is opened; when the third valve 310 of the freeze dryer 3 is opened, the vacuum pump 4 pumps the steam formed by sublimating the frozen moisture in the kitchen waste to the dehydrator 5 from the exhaust hole 39; the steam is then separated into two parts, waste liquid and gas, in the dehydrator 5; the waste liquid and the previous leachate are discharged into the waste water treatment equipment 7 together for treatment; the gas part is discharged to the deodorizing equipment 6 for deodorization and then can be directly discharged; by the mode, the concentration of the pollutants in the finally obtained freeze-dried liquid is low, and the treatment is simple.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (9)
1. The utility model provides a kitchen garbage desiccation device, includes filtration breaker (1), its characterized in that:
The filtering crusher (1) is connected with a heat exchanger (2) and a dehydrator (5);
The heat exchanger (2) is connected with a freeze dryer (3);
The freeze dryer (3) is connected with a vacuum pump (4);
the vacuum pump (4) is connected with the dehydrator (5);
The water remover (5) is also connected with deodorizing equipment (6) and wastewater treatment equipment (7).
2. The kitchen waste drying device according to claim 1, wherein: the filtering crusher (1) comprises a filtering crusher feed inlet (11), a stirring and pushing crushing device (12), a leachate collecting layer (13), a leachate discharge outlet (14) and a discharge outlet (15); the feed inlet (11) of the filtering crusher is arranged at the upper left part of the whole filtering crusher (1); the stirring and pushing crushing device (12) penetrates the filtering crusher (1) in the left-right direction; the power device of the stirring and pushing crushing device (12) is fixedly connected to the right side wall of the filtering crusher (1); the leachate collecting layer (13) is positioned at the bottom end of the filtering crusher (1); the draining outlet (14) and the discharging outlet (15) are both arranged at the right bottom end of the filtering crusher (1); the leachate discharge port (14) is communicated with the dehydrator (5); the discharge port (15) is communicated with the heat exchanger (2).
3. The kitchen waste drying device according to claim 2, wherein: the stirring, pushing and crushing device (12) comprises a first power device (121), a first power shaft (122), a filtering section blade (123) and crushing section fragments (124); the first power device (121) is fixedly connected with the right side wall of the filtering crusher (1); the right end of the first power shaft (122) is fixedly connected with the output end of the first power device (121); the blade (123) of the filtering section is fixedly connected with the left end of the first power shaft (122); the broken piece (124) of the broken section is fixedly connected with the right end of the first power shaft (122).
4. A kitchen waste drying device according to claim 3, wherein: the broken pieces (124) of the broken section are chain type.
5. The kitchen waste drying device according to claim 4, wherein: the freeze dryer (3) comprises a cold dryer feed inlet (31), a first valve (32), a refrigerating device (33), a cold air outlet (34), a hot air inlet (35), a stirring and pushing device (36), a dry material discharge outlet (37), a second valve (38), an exhaust hole (39) and a third valve (310); the cold dryer feed inlet (31) is arranged at the upper left part of the freeze dryer (3); a first valve (32) is connected to the feeding port (31) of the cold dryer; the refrigerating device (33) is fixedly connected to the left side wall of the freeze dryer (3) and is communicated with the inside of the freeze dryer (3); the cold air outlet (34) is arranged on the left side wall of the freeze dryer (3); the hot gas inlet (35) is arranged at the right end of the stirring and pushing device (36); the stirring propulsion device (36) penetrates the freeze dryer (3) in the left-right direction; the power device of the stirring propulsion device (36) is fixedly connected to the right side wall of the freeze dryer (3); the dry material discharge port (37) is arranged at the right bottom end of the freeze dryer (3); a second valve (38) is connected to the dry material outlet (37); the exhaust hole (39) is arranged at the right top end of the freeze dryer (3); the third valve (310) is connected to the exhaust hole (39); the exhaust hole (39) is communicated with the vacuum pump (4).
6. The kitchen waste drying device according to claim 5, wherein: the cold dryer feed inlet (31) is communicated with the heat exchanger (2).
7. The kitchen waste drying device according to claim 5, wherein: the hot gas filled in the hot gas inlet (35) is high-temperature flue gas generated by garbage incineration.
8. The kitchen waste drying device according to claim 5, wherein: the third valve (310) is a one-way valve which can only discharge gas from the freeze dryer (3) to the outside.
9. A kitchen garbage drying system is characterized in that: a kitchen waste drying device comprising any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322330191.5U CN220911939U (en) | 2023-08-29 | 2023-08-29 | Kitchen garbage drying system and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322330191.5U CN220911939U (en) | 2023-08-29 | 2023-08-29 | Kitchen garbage drying system and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220911939U true CN220911939U (en) | 2024-05-07 |
Family
ID=90912967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322330191.5U Active CN220911939U (en) | 2023-08-29 | 2023-08-29 | Kitchen garbage drying system and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220911939U (en) |
-
2023
- 2023-08-29 CN CN202322330191.5U patent/CN220911939U/en active Active
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