CN112756377A - Kitchen waste treatment system - Google Patents
Kitchen waste treatment system Download PDFInfo
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- CN112756377A CN112756377A CN202011607117.8A CN202011607117A CN112756377A CN 112756377 A CN112756377 A CN 112756377A CN 202011607117 A CN202011607117 A CN 202011607117A CN 112756377 A CN112756377 A CN 112756377A
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- 239000010806 kitchen waste Substances 0.000 title claims abstract description 51
- 238000006243 chemical reaction Methods 0.000 claims abstract description 83
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 23
- 239000012295 chemical reaction liquid Substances 0.000 claims abstract description 21
- 239000003507 refrigerant Substances 0.000 claims abstract description 20
- 230000001105 regulatory effect Effects 0.000 claims description 31
- 238000001514 detection method Methods 0.000 claims description 17
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 239000005416 organic matter Substances 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 8
- 238000005303 weighing Methods 0.000 description 6
- 238000010411 cooking Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention belongs to the technical field of garbage treatment, and discloses a kitchen garbage treatment system, which comprises a feeding device, a pressure device and a garbage storage device, wherein the feeding device is used for pressurizing kitchen garbage; the heating device comprises a preheater, and a refrigerant inlet of the preheater is communicated with an outlet of the feeding device and is used for heating kitchen garbage; the inlet of the reaction kettle is communicated with the refrigerant outlet of the preheater, the reaction kettle can enable kitchen garbage to generate chemical reaction to generate reaction liquid, and the liquid outlet of the reaction kettle is communicated with the heat medium inlet of the preheater; and an inlet of the flash tank is communicated with a heat medium outlet of the preheater, and the reaction liquid can be flash separated into light component gas and product liquid. The kitchen waste treatment system provided by the invention can convert kitchen waste into other products with high added values, has small organic matter loss, can heat the kitchen waste to enter the reaction kettle by using the heat of the reaction liquid, realizes the recycling of the heat, and has low energy consumption of the whole system.
Description
Technical Field
The invention relates to the technical field of garbage treatment, in particular to a kitchen garbage treatment system.
Background
For the treatment of kitchen waste, the current treatment mode is mainly landfill or incineration. With the increasing of the output of the kitchen waste, it is more and more difficult to find a new landfill site, and a large amount of organic matters in the kitchen waste cannot be recovered by the landfill treatment. The incineration method for treating the kitchen waste needs to dry the kitchen waste, consumes energy, and has high cost because tail gas discharged by incineration needs to be purified.
Disclosure of Invention
The invention aims to provide a kitchen waste treatment system which can recover organic matters of kitchen waste and is low in energy consumption of the whole system.
In order to achieve the purpose, the invention adopts the following technical scheme: a kitchen waste disposal system comprising:
the feeding device is used for pressurizing kitchen garbage;
the heating device comprises a preheater, and a refrigerant inlet of the preheater is communicated with an outlet of the feeding device and is used for heating the kitchen garbage;
the inlet of the reaction kettle is communicated with the refrigerant outlet of the preheater, the reaction kettle can enable the kitchen garbage to generate chemical reaction to generate reaction liquid, and the liquid outlet of the reaction kettle is communicated with the heat medium inlet of the preheater;
and an inlet of the flash tank is communicated with a heat medium outlet of the preheater, and the reaction liquid can be flash separated into light component gas and product liquid.
Preferably, the heating device further comprises a heater, a heating passage is communicated between an outlet of the heater and an inlet of the heater, the heating passage is communicated with a heat exchanger along a heat medium flowing direction, a refrigerant inlet of the heat exchanger is communicated with a refrigerant outlet of the preheater, and a refrigerant outlet of the heat exchanger is communicated with an inlet of the reaction kettle.
Preferably, a reaction kettle passage is communicated between the outlet of the heater and the inlet of the heater, the reaction kettle passage and the heating passage are arranged in parallel, the reaction kettle passage is communicated with a jacket along the flowing direction of the heating medium, and the jacket is sleeved on the outer wall of the reaction kettle.
Preferably, a first temperature sensor is arranged between a refrigerant outlet of the heat exchanger and an inlet of the reaction kettle, the first temperature sensor is used for detecting the temperature of the kitchen waste entering the reaction kettle, the heating passage is provided with a first adjusting valve, the first adjusting valve is located at the upstream of the heat exchanger, and the first adjusting valve is configured to adjust the opening degree according to the detection result of the first temperature sensor.
Preferably, the reaction vessel is provided with a second temperature sensor for detecting a temperature inside the reaction vessel, the reaction vessel passage is provided with a second regulating valve located upstream of the jacket, and the second regulating valve is configured to regulate the opening degree in accordance with a detection result of the second temperature sensor.
Preferably, the reaction kettle is provided with a first liquid level meter for detecting the height of the liquid level in the reaction kettle, and the feeding device is configured to adjust the feeding flow according to the detection result of the first liquid level meter.
Preferably, the system further comprises a gas treatment device, and an inlet of the gas treatment device is communicated with a gas outlet of the flash tank.
Preferably, the reaction kettle is provided with a pressure relief gas outlet, the pressure relief gas outlet is communicated with an inlet of the gas processing device, the reaction kettle is provided with a first pressure sensor and used for detecting the pressure in the reaction kettle, a third regulating valve is arranged between the pressure relief gas outlet and the inlet of the gas processing device, and the third regulating valve is configured to regulate the opening according to a detection result of the first pressure sensor.
Preferably, the flash tank is provided with a second pressure sensor for detecting the pressure in the flash tank, and a fourth regulating valve is communicated between the gas outlet of the flash tank and the inlet of the gas processing device, and the fourth regulating valve is configured to regulate the opening degree according to the detection result of the second pressure sensor.
Preferably, the gas treatment device comprises a condenser, and a gas inlet of the condenser is communicated with the pressure relief gas outlet and a gas outlet of the flash tank.
The invention has the beneficial effects that: according to the kitchen waste treatment system provided by the invention, the kitchen waste is subjected to a chemical reaction in the reaction kettle to generate the reaction liquid, and the reaction liquid can be separated into the light component gas and the product liquid, so that the kitchen waste is converted into other products with high added values, organic matters of the kitchen waste can be recovered, and the loss of the organic matters is small. In addition, the system can utilize the heat of the reaction liquid to heat the kitchen garbage to be fed into the reaction kettle, so that the heat is recycled, and the energy consumption of the whole system is low.
Drawings
FIG. 1 is a schematic view of a kitchen waste disposal system according to the present invention.
In the figure: 1. a feeding device; 11. a feed pump; 111. a variable frequency motor; 2. a heating device; 21. a preheater; 22. a heater; 221. a heating path; 2211. a heat exchanger; 2212. a first regulating valve; 222. a reaction kettle passage; 2221. a jacket; 2222. a second regulating valve; 23. a first temperature sensor; 3. a reaction kettle; 31. a second temperature sensor; 32. a first liquid level meter; 33. a pressure relief gas outlet; 34. a first pressure sensor; 35. a compressed air inlet; 36. a stirring motor; 4. a flash tank; 41. a second pressure sensor; 42. a second level gauge; 5. a gas processing device; 51. a condenser; 511. a third liquid level meter; 52. a purifier; 53. a storage tank; 54. a centrifugal pump; 55. a first pneumatic switching valve; 6. a third regulating valve; 7. a fourth regulating valve; 8. a fifth regulating valve; 9. a third pressure sensor; 100. a buffer tank; 200. a weighing instrument; 300. a second pneumatic switching valve; 400. and a sixth regulating valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The kitchen waste treatment system provided by the invention is suitable for treating kitchen waste, can recover organic matters of the kitchen waste, and is low in energy consumption of the whole system. The present invention will be described with reference to the following embodiments.
As shown in fig. 1, the kitchen waste treatment system provided in this embodiment includes a feeding device 1, a heating device 2, a reaction kettle 3, and a flash tank 4. Wherein, feed arrangement 1 is used for pressurizeing kitchen garbage and carries the kitchen garbage after the pressurization to heating device 2, and kitchen garbage gets into reation kettle 3 after heating by heating device 2 in, reation kettle 3 can make kitchen garbage take place chemical reaction and generate reaction liquid, and further, flash tank 4 can be with reaction liquid flash distillation separation light component gas and product liquid. The kitchen waste treatment system can convert kitchen waste into other products with high added values, organic matters of the kitchen waste are recycled, and organic matter loss is small.
In this embodiment, as shown in fig. 1, the heating device 2 includes a preheater 21, a refrigerant inlet of the preheater 21 is communicated with an outlet of the feeding device 1, a refrigerant outlet of the preheater 21 is communicated with an inlet of the reaction kettle 3, a heat medium inlet of the preheater 21 is communicated with a liquid outlet of the reaction kettle 3, a heat medium outlet of the preheater 21 is communicated with an inlet of the flash tank 4, kitchen garbage to be fed into the reaction kettle 3 can be heated by using heat of the reaction liquid, heat recycling is realized, and energy consumption of the whole system is low.
As shown in fig. 1, the kitchen waste treatment system of the embodiment further includes a gas treatment device 5, and an inlet of the gas treatment device 5 is communicated with an outlet of the flash tank 4 for treating the light component gas.
As a preferred solution, as shown in fig. 1, the feeding device 1 comprises a feeding pump 11. Further, reation kettle 3 is equipped with first level gauge 32 for detect the height of liquid level in reation kettle 3, and feed pump 11's inverter motor 111 is configured to adjust feed flow according to first level gauge 32's testing result, can realize the automatic control of liquid level in reation kettle 3, guarantees that the rubbish from cooking in reation kettle 3 carries out chemical reaction steadily.
In this embodiment, as shown in fig. 1, the heating device 2 further includes a heater 22, a heating passage 221 is communicated between an outlet of the heater 22 and an inlet of the heater 22, the heating passage 221 is communicated with a heat exchanger 2211 along a flow direction of the heating medium, a refrigerant inlet of the heat exchanger 2211 is communicated with a refrigerant outlet of the preheater 21, and a refrigerant outlet of the heater 22 is communicated with an inlet of the reaction kettle 3. By arranging the heater 22 and the heat exchanger 2211, the kitchen waste can be further ensured to have sufficient temperature when entering the reaction kettle 3, and the kitchen waste can be ensured to smoothly perform chemical reaction. Illustratively, the heat medium heated by the heater 22 may be heat transfer oil, which has the characteristics of uniform heating, accurate temperature adjustment control, and good heat transfer effect.
Preferably, as shown in fig. 1, a reaction kettle passage 222 is further communicated between the outlet of the heater 22 and the inlet of the heater 22, the reaction kettle passage 222 is arranged in parallel with the heating passage 221, the reaction kettle passage 222 is communicated with a jacket 2221 along the flow direction of the heating medium, and the jacket 2221 is sleeved on the outer wall of the reaction kettle 3, so that the temperature in the reaction kettle 3 can be maintained, and the kitchen waste can be ensured to smoothly perform the chemical reaction.
Illustratively, as shown in fig. 1, a first temperature sensor 23 is disposed between the refrigerant outlet of the heat exchanger 2211 and the inlet of the reaction vessel 3, the first temperature sensor 23 is used for detecting the temperature of the kitchen waste entering the reaction vessel 3, the heating passage 221 is provided with a first adjusting valve 2212, the first adjusting valve 2212 is located upstream of the heat exchanger 2211, and the first adjusting valve 2212 is configured to adjust the opening degree according to the detection result of the first temperature sensor 23. Further, the reaction tank 3 is provided with a second temperature sensor 31, the second temperature sensor 31 is used for detecting the temperature inside the reaction tank 3, the reaction tank passage 222 is provided with a second regulating valve 2222, the second regulating valve 2222 is located upstream of the jacket 2221, and the second regulating valve 2222 is configured to adjust the opening degree according to the detection result of the second temperature sensor 31. Through first temperature sensor 23 and second temperature sensor 31, can control the aperture of first governing valve 2212 and second governing valve 2222, and then can accurately control the temperature of rubbish from cooking when getting into reation kettle 3 and the temperature in reation kettle 3, further guarantee that rubbish from cooking can carry out chemical reaction smoothly.
Preferably, as shown in fig. 1, a pressure relief gas outlet 33 is further disposed at the top of the reaction kettle 3, the pressure relief gas outlet 33 is communicated with an inlet of the gas treatment device 5, and when the pressure in the reaction kettle 3 is too high, the pressure is relieved through the pressure relief gas outlet 33, so that the kitchen waste can be smoothly subjected to a chemical reaction. Further, the reaction vessel 3 is provided with the first pressure sensor 34 for detecting the pressure in the reaction vessel 3, the third regulating valve 6 is provided between the pressure-released gas outlet 33 and the inlet of the gas processing device 5, and the third regulating valve 6 is configured to regulate the opening degree according to the detection result of the first pressure sensor 34, so that the pressure in the reaction vessel 3 can be controlled more accurately.
As shown in fig. 1, a compressed air inlet 35 is exemplarily provided at the top of the reaction kettle 3 for increasing the pressure in the reaction kettle 3 and ensuring that the kitchen waste can smoothly perform a chemical reaction.
Preferably, as shown in fig. 1, the reaction kettle 3 is provided with a stirring motor 36 capable of promoting the chemical reaction of the kitchen waste.
In this embodiment, as shown in fig. 1, the flash tank 4 is provided with a second pressure sensor 41 for detecting the pressure inside the flash tank 4, a fourth regulating valve 7 is communicated between the gas outlet of the flash tank 4 and the inlet of the gas processing device 5, and the fourth regulating valve 7 is configured to regulate the opening degree according to the detection result of the second pressure sensor 41, so that the pressure inside the flash tank 4 can be accurately controlled, and the reaction liquid can be smoothly flash-separated into the light component gas and the product liquid.
Preferably, as shown in fig. 1, a fifth regulating valve 8 is communicated between the heat medium outlet of the preheater 21 and the inlet of the flash tank 4, a third pressure sensor 9 is disposed upstream of the fifth regulating valve 8 for detecting the pressure of the reaction liquid entering the flash tank 4, and the fifth regulating valve 8 is configured to adjust the opening degree according to the detection result of the third pressure sensor 9, so as to accurately control the pressure of the reaction liquid when the reaction liquid enters the flash tank 4, and ensure that the reaction liquid can be smoothly flash-separated into the light component gas and the product liquid.
As shown in fig. 1, the gas processing device 5 exemplarily includes a condenser 51, and a gas inlet of the condenser 51 is communicated with the pressure-relief gas outlet 33 and a gas outlet of the flash tank 4 for condensing the light component gas. Further, the gas treatment device 5 further includes a purifier 52 and a storage tank 53, the gas outlet of the condenser 51 is communicated with the purifier 52, and the condensate outlet of the condenser 51 is communicated with the inlet of the storage tank 53, specifically, the light component gas is cooled by introducing cooling water into the condenser 51. It is understood that at the temperature of the cooling water, there is still a portion of the light component gas that is not condensed into liquid, and the portion of the gas is purified by the purifier 52, discharged after reaching the discharge standard, and the light component gas condensed into liquid enters the storage tank 53 to be stored.
Preferably, the condenser 51 is provided with a third liquid level meter 511 for detecting the height of the liquid level in the condenser 51, a centrifugal pump 54 and a first pneumatic switch valve 55 are sequentially communicated between a condensate outlet of the condenser 51 and an inlet of the storage tank 53, whether the centrifugal pump 54 and the first pneumatic switch valve 55 are opened or not can be controlled according to the detection result of the third liquid level meter 511, specifically, when the liquid level in the condenser 51 rises to an upper preset value, the third liquid level meter 511 controls the centrifugal pump 54 and the first pneumatic switch valve 55 to be opened, the liquid is sent to the storage tank 53, when the liquid level in the condenser 51 falls to a lower preset value, the third liquid level meter 511 controls the centrifugal pump 54 and the first pneumatic switch valve 55 to be closed, and the liquid level in the condenser 51 can be ensured to be stable.
As shown in fig. 1, the kitchen waste processing system of this embodiment further includes a buffer tank 100 and a weighing instrument 200, an inlet of the buffer tank 100 is communicated with a liquid outlet of the flash tank 4 for buffering the product liquid, and the weighing instrument 200 is used for measuring the weight of the product liquid in the buffer tank 100. Further, the discharge outlet of the buffer tank 100 is communicated with a second pneumatic switch valve 300, and whether the second pneumatic switch valve 300 is opened or not can be controlled according to the measurement result of the weighing instrument 200, specifically, when the weight in the buffer tank 100 rises to an upper preset value, the weighing instrument 200 controls the second pneumatic switch valve 300 to be opened, the buffer tank 100 discharges the product liquid, and when the weight in the buffer tank 100 falls to a lower preset value, the weighing instrument 200 controls the second pneumatic switch valve 300 to be closed.
Preferably, the flash tank 4 is further provided with a second liquid level meter 42, a sixth regulating valve 400 is communicated between the liquid outlet of the flash tank 4 and the inlet of the buffer tank 100, and the sixth regulating valve 400 is configured to regulate the opening degree according to the detection result of the second liquid level meter 42, so as to control the height of the liquid level in the flash tank 4.
According to the kitchen waste treatment system provided by the embodiment, the kitchen waste is subjected to chemical reaction in the reaction kettle 3 to generate the reaction liquid, the reaction liquid can be separated into the light component gas and the product liquid, so that the kitchen waste is converted into other products with high added values, organic matters of the kitchen waste can be recycled, and the organic matter loss is small. In addition, the system can utilize the heat of the reaction liquid to heat the kitchen garbage to be fed into the reaction kettle 3, so that the heat is recycled, and the energy consumption of the whole system is low.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A kitchen waste disposal system comprising:
the feeding device (1) is used for pressurizing kitchen garbage;
the heating device (2) comprises a preheater (21), and a refrigerant inlet of the preheater (21) is communicated with an outlet of the feeding device (1) and is used for heating the kitchen waste;
the inlet of the reaction kettle (3) is communicated with the refrigerant outlet of the preheater (21), the reaction kettle (3) can enable the kitchen garbage to generate a chemical reaction to generate reaction liquid, and the liquid outlet of the reaction kettle (3) is communicated with the heat medium inlet of the preheater (21);
and an inlet of the flash tank (4) is communicated with a heat medium outlet of the preheater (21), and the reaction liquid can be flash-separated into light component gas and product liquid.
2. The kitchen waste treatment system according to claim 1, wherein the heating device (2) further comprises a heater (22), a heating passage (221) is communicated between an outlet of the heater (22) and an inlet of the heater (22), the heating passage (221) is communicated with a heat exchanger (2211) along a heat medium flowing direction, a refrigerant inlet of the heat exchanger (2211) is communicated with a refrigerant outlet of the preheater (21), and a refrigerant outlet of the heat exchanger (2211) is communicated with an inlet of the reaction kettle (3).
3. The kitchen waste treatment system according to claim 2, wherein a reaction kettle passage (222) is further communicated between the outlet of the heater (22) and the inlet of the heater (22), the reaction kettle passage (222) and the heating passage (221) are arranged in parallel, the reaction kettle passage (222) is communicated with a jacket (2221) along a heat medium flowing direction, and the jacket (2221) is sleeved on the outer wall of the reaction kettle (3).
4. The kitchen waste treatment system according to claim 3, wherein a first temperature sensor (23) is disposed between the refrigerant outlet of the heat exchanger (2211) and the inlet of the reaction kettle (3), the first temperature sensor (23) is used for detecting the temperature of the kitchen waste entering the reaction kettle (3), the heating passage (221) is provided with a first adjusting valve (2212), the first adjusting valve (2212) is located at the upstream of the heat exchanger (2211), and the first adjusting valve (2212) is configured to adjust the opening degree according to the detection result of the first temperature sensor (23).
5. The kitchen waste treatment system according to claim 4, characterized in that said reaction vessel (3) is provided with a second temperature sensor (31), said second temperature sensor (31) being used for detecting the temperature inside said reaction vessel (3), said reaction vessel passage (222) is provided with a second regulating valve (2222), said second regulating valve (2222) being located upstream of said jacket (2221), said second regulating valve (2222) being configured to adjust the degree of opening according to the detection result of said second temperature sensor (31).
6. The kitchen waste disposal system according to claim 1, wherein said reaction vessel (3) is provided with a first liquid level meter (32) for detecting a height of a liquid level in said reaction vessel (3), and said feeding device (1) is configured to adjust a feeding flow rate according to a detection result of said first liquid level meter (32).
7. The kitchen waste treatment system according to claim 1, further comprising a gas treatment device (5), wherein an inlet of the gas treatment device (5) is communicated with an outlet of the flash tank (4).
8. The kitchen waste treatment system according to claim 7, wherein said reaction kettle (3) is provided with a pressure relief gas outlet (33), said pressure relief gas outlet (33) is communicated with an inlet of said gas treatment device (5), said reaction kettle (3) is provided with a first pressure sensor (34) for detecting the pressure in said reaction kettle (3), a third regulating valve (6) is arranged between said pressure relief gas outlet (33) and said inlet of said gas treatment device (5), said third regulating valve (6) is configured to regulate the opening degree according to the detection result of said first pressure sensor (34).
9. The kitchen waste treatment system according to claim 8, wherein the flash tank (4) is provided with a second pressure sensor (41) for detecting the pressure inside the flash tank (4), a fourth regulating valve (7) is communicated between the gas outlet of the flash tank (4) and the inlet of the gas treatment device (5), and the fourth regulating valve (7) is configured to regulate the opening degree according to the detection result of the second pressure sensor (41).
10. The kitchen waste treatment system according to claim 9, wherein the gas treatment device (5) comprises a condenser (51), and a gas inlet of the condenser (51) is communicated with the pressure-release gas outlet (33) and a gas outlet of the flash tank (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011607117.8A CN112756377A (en) | 2020-12-30 | 2020-12-30 | Kitchen waste treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011607117.8A CN112756377A (en) | 2020-12-30 | 2020-12-30 | Kitchen waste treatment system |
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| Publication Number | Publication Date |
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| CN112756377A true CN112756377A (en) | 2021-05-07 |
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| CN202011607117.8A Pending CN112756377A (en) | 2020-12-30 | 2020-12-30 | Kitchen waste treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115254918A (en) * | 2022-06-28 | 2022-11-01 | 华中科技大学 | Continuous high-pressure hydrothermal device for industrial treatment of kitchen waste |
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2020
- 2020-12-30 CN CN202011607117.8A patent/CN112756377A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115254918A (en) * | 2022-06-28 | 2022-11-01 | 华中科技大学 | Continuous high-pressure hydrothermal device for industrial treatment of kitchen waste |
| CN115254918B (en) * | 2022-06-28 | 2024-05-28 | 华中科技大学 | Continuous high-pressure hydrothermal device for industrial treatment of kitchen waste |
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