CN213835091U - Take waste heat recovery and automatic aeration's kitchen garbage aerobic fermentation device - Google Patents
Take waste heat recovery and automatic aeration's kitchen garbage aerobic fermentation device Download PDFInfo
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- CN213835091U CN213835091U CN202021636814.1U CN202021636814U CN213835091U CN 213835091 U CN213835091 U CN 213835091U CN 202021636814 U CN202021636814 U CN 202021636814U CN 213835091 U CN213835091 U CN 213835091U
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
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- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The utility model discloses a kitchen waste aerobic fermentation device with waste heat recovery and automatic aeration, which comprises a fermentation bin; a heating and heat-preserving device for heating and preserving heat of the fermentation chamber; also comprises a humidity sensor and an oxygen content sensor; the heat exchange device is used for discharging damp and hot waste gas generated by the kitchen waste in the fermentation bin and recycling the heat of the damp and hot waste gas; an automatic aeration device; and the intelligent control system is used for timely controlling the heat exchange device, the automatic aeration device and the heating and heat preservation device according to the numerical values of the humidity sensor and the oxygen content sensor, and intelligently regulating and controlling the operation of the whole system according to a preset program. The utility model discloses changed the mode of aeration, increased waste gas waste heat recovery device, reduced exhaust gas temperature, increased the fresh air temperature of entering storehouse simultaneously, improved system's heat utilization efficiency. The utility model discloses an intelligent control system judges automatically according to heap body temperature, water content etc. that fermentation stage adjusts air feed, exhaust and intake.
Description
Technical Field
The utility model belongs to the technical field of kitchen garbage aerobic fermentation handles, concretely relates to take waste heat recovery and automatic aeration's intelligent kitchen garbage aerobic fermentation device.
Background
The kitchen waste is rich in organic substances, and the harmless degradation of the kitchen waste can be realized by utilizing the decomposition and conversion of microorganisms to organic substances under aerobic conditions, and meanwhile, the organic fertilizer after aerobic fermentation can be used for agriculture, so that the aerobic fermentation is an important means for recycling the kitchen waste. The core factors influencing the aerobic fermentation efficiency comprise microorganisms and environmental conditions, and the fermentation temperature and the oxygen content in the environmental conditions are the most important factors influencing the final aerobic fermentation effect.
The fermentation temperature directly influences the enzyme activity of the microorganism, and the enzyme activity can be inhibited at an excessively high or excessively low temperature, so that the degradation and conversion efficiency of the microorganism on organic macromolecules is influenced, and therefore the design requirement of an aerobic fermentation reaction container is to provide an appropriate temperature for meeting the working requirement of the microorganism. At present, most aerobic fermentation reaction vessels on the market generally adopt an external heat (electric heating, steam heating or heat conduction oil heating) mode to compensate heat brought away by ventilation and water evaporation in the fermentation process, so that the energy consumption in the fermentation process is increased.
The amount of aerobic microorganisms in the fermentation process is influenced by the oxygen content, if the oxygen supply is insufficient, the amount of the aerobic microorganisms is rapidly reduced, an anaerobic area can appear in the fermentation pile when the oxygen deficiency is serious, and then the aerobic fermentation fails, so that the fermentation effect is influenced, and the sulfur-containing and nitrogen-containing compounds with lower odor threshold values generated in the anaerobic area influence the purification efficiency of subsequent waste gas treatment, so that the stable and sufficient oxygen supply is the basic guarantee of the aerobic fermentation process. The oxygen supply of the existing aerobic fermentation reaction container is realized by adopting a mode of stirring and fermenting the upper part of the pile body to ventilate and supplement oxygen, the oxygen supply mode needs a high-power stirrer on the one hand to realize continuous turning and oxygen contact of the pile body, and the stirrer is large in power, so that the power consumption is large and a stirring device is complex, on the other hand, the air is introduced from the upper part of the fermentation pile body, the utilization rate of the air is lower, the air inflow of the required air is large, the exhaust gas treatment load through the rear end discharge of the fermentation reaction container is large, the temperature is higher when the rear end exhaust gas is discharged outwards, and a large amount of waste of heat is caused.
Therefore, it is imperative to design a novel kitchen waste aerobic fermentation system which can not only maintain a suitable fermentation temperature without consuming external extra heat, but also actively aerate to provide oxygen required by the fermentation process, and the fermentation temperature and oxygen content can be intelligently controlled along with the fermentation process.
SUMMERY OF THE UTILITY MODEL
The utility model provides a take waste heat recovery and automatic aeration's kitchen garbage aerobic fermentation device for solve above-mentioned technical problem.
The technical scheme of the utility model is that:
the utility model provides a take waste heat recovery and automatic aeration's kitchen garbage aerobic fermentation device, this kitchen garbage aerobic fermentation device is used for handling the kitchen garbage through the preliminary treatment, includes:
a fermentation bin for receiving the kitchen waste after pretreatment and performing biochemical fermentation on the kitchen waste;
the heating and heat-preserving device is used for heating and preserving heat of the kitchen waste in the fermentation bin;
a humidity sensor for detecting the humidity of the kitchen waste in the fermentation bin and an oxygen content sensor for detecting the oxygen content in the fermentation bin;
the heat exchange device is used for timely discharging damp and hot waste gas generated by the kitchen waste in the fermentation bin according to the numerical value of the humidity sensor and recycling the heat of the damp and hot waste gas;
the automatic aeration device is used for timely aerating the materials in the fermentation bin according to the numerical value of the oxygen content sensor, and is arranged at the bottom of the fermentation bin;
and the intelligent control system is used for timely controlling the heat exchange device, the automatic aeration device and the heating and heat preservation device according to the numerical values of the humidity sensor and the oxygen content sensor, and intelligently regulating and controlling the operation of the whole system according to a preset program.
Further, the kitchen waste fermentation device also comprises a heat insulation layer which covers the outside of the fermentation bin and is used for heat insulation of the kitchen waste in the fermentation bin.
Furthermore, a temperature sensor for detecting the temperature of the kitchen waste in the fermentation bin and controlling the heating and heat-preserving device timely according to the temperature value is also arranged in the fermentation bin.
Furthermore, the automatic aeration device comprises an aeration pipeline and a plurality of aeration nozzles which are connected and distributed in the fermentation cabin body.
Furthermore, the heat exchange device comprises a first-stage heat exchanger and a second-stage heat exchanger connected with the first-stage heat exchanger in series, the first-stage heat exchanger and the second-stage heat exchanger are both devices which exchange heat of two mutually independent air flows and then discharge the air flows from respective channels, and the first-stage heat exchanger, the second-stage heat exchanger and other channels are connected by pipelines.
Furthermore, condensate discharge ports are formed in the bottoms of the first-stage heat exchanger and the second-stage heat exchanger, and the condensate is conveyed to an external sewage treatment system through a pipeline.
Furthermore, a primary heat exchanger and a secondary heat exchanger of the heat exchange device both comprise a waste gas inlet, a waste gas outlet, a fresh air inlet and a fresh air outlet, the primary heat exchanger and the secondary heat exchanger are connected in series to form two paths of paths, namely a fresh air path and a waste gas path, and a fan for respectively sucking waste gas and fresh air into the heat exchange device, a filter for filtering impurities in air flow, a temperature sensor, a humidity sensor, a flow sensor, a pressure sensor for measuring air flow pressure, an automatic regulating valve for regulating the size of air flow and the size of flow speed and an automatic monitoring instrument are arranged on the fresh air path and the waste gas path.
Further, the flow direction of the exhaust passage is: waste gas is sucked through the suction of the fan and flows through the filter, the flow sensor, the automatic regulating valve and the automatic monitoring instrument, flows out of the fermentation bin, enters the waste gas inlet of the primary heat exchanger, flows out of the waste gas outlet, flows into the waste gas inlet of the secondary heat exchanger, flows out of the waste gas outlet of the secondary heat exchanger, and flows out of other external treatment processes through the temperature sensor.
Further, the airflow direction of the fresh air passage is as follows: the fresh air outside is sucked by the suction force of the fan and flows through the automatic regulating valve and the automatic monitoring instrument to enter the fresh air inlet of the secondary heat exchanger, flows out of the fresh air outlet, flows into the fresh air inlet of the primary heat exchanger, flows out of the fresh air outlet of the primary heat exchanger, flows into the aeration nozzle of the automatic aeration device through the flow sensor, and flows out of the aeration nozzle to the bottom of the fermentation bin to perform thermal aeration on the kitchen waste.
Furthermore, a side air outlet is formed in the side face of the fermentation bin, a filter and a fan are further arranged at the side air outlet, waste gas in the fermentation bin flows out of the side air outlet under the suction action of the fan, flows through the filter, an automatic regulating valve and an automatic monitoring instrument, then flows back into an aeration nozzle of an automatic aeration device of the fermentation bin, and flows out of the aeration nozzle to the bottom of the fermentation bin to perform thermal aeration on the kitchen waste.
The fans are called as circulating fans in different pipeline systems, fans for the automatic aeration device are called as exhaust fans, fans for sucking waste gas from the biochemical bin and flowing into the heat exchange device are called as oxygen supply fans, and fans for sucking fresh air from the outside into the heat exchange device are called as oxygen supply fans; this description is to be read in connection with the detailed description.
The utility model provides a fermentation storehouse among the prior art exhaust emission temperature high, waste gas moisture content is big, in the waste gas pollutant concentration high, fermentation storehouse consumption is big and the oxygen suppliment is not enough technical problem.
The utility model discloses contain fermentation storehouse, automatic aeration equipment, circulating fan, oxygen suppliment fan, air exhaust fan, automatically regulated valve and online monitoring instrument etc. still include acid and alkali-resistance heat exchanger.
The utility model discloses in, the fermentation storehouse is used for receiving the kitchen garbage who has handled through pretreatment systems, is the main part equipment of kitchen garbage aerobic fermentation. The outer part of the fermentation bin is wrapped and covered with the heat insulation layer, so that the natural heat dissipation of the fermentation bin is reduced to the maximum extent, and the heat utilization efficiency is improved; a temperature sensor and a humidity sensor are arranged in the fermentation bin and used for monitoring the temperature and the water content of the kitchen waste stack in the fermentation bin; the bottom of the fermentation bin is provided with an automatic aeration device, the tail end of the automatic aeration device is provided with a plurality of aeration nozzles, and the automatic aeration device is connected with the outlet of the circulating fan through a pipeline; the side of the fermentation bin is provided with a side air outlet, the side air outlet is connected with an air inlet of the circulating fan through a pipeline, and the pipeline is provided with a filter, an automatic regulating valve and an automatic monitoring instrument.
In the utility model, the top of the fermentation bin is provided with an exhaust outlet, the exhaust outlet is connected with the air inlet of the exhaust fan through a pipeline, and the pipeline is provided with a filter, an automatic regulating valve and an automatic monitoring instrument; the heat exchange device can reduce the exhaust temperature of waste gas, reduce the moisture content of the waste gas and improve the warehousing temperature of fresh air; in the heat exchange device, waste gas passes through a shell pass of a heat exchanger, and fresh air passes through a tube pass of the heat exchanger; the oxygen supply fan is used for supplying fresh air to the fermentation bin and improving the oxygen content in the fermentation bin. The intelligent control system is responsible for controlling the utility model discloses an all automatically regulated valves, automatic monitoring instrument and all fans etc. in the system operate according to presetting procedure intelligent control system.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
the utility model discloses changed the mode of aeration, changed traditional stirring and top aeration mode into fermentation storehouse bottom aeration, cancelled the (mixing) shaft to the preparation mode that makes the fermentation storehouse can be by multiple realization form, if can set the fermentation storehouse to cylinder type or square or prism etc. make whole preparation more convenient also practice thrift the cost.
The utility model discloses increase waste gas waste heat recovery device, utilize the heat exchanger to reduce exhaust gas temperature on the one hand, increased the fresh air temperature into in the fermentation storehouse on the one hand, improve system's heat utilization efficiency.
The utility model discloses an intelligent control system, the system is according to factors such as heap body temperature, water content automatic judgement fermentation stage to the amount of wind of corresponding adjustment air feed, exhaust and circulated air.
Drawings
Fig. 1 is a schematic structural diagram provided by the embodiment of the present invention:
wherein: 1 is a fermentation chamber, 2 is a filter, 3 is an automatic aeration device, 4 is an automatic regulating valve, 5 is a circulating fan inlet air box, 6 is a circulating fan, 7 is an exhaust fan, 8 is a primary heat exchanger, 9 is a secondary heat exchanger, 10 is an oxygen supply fan, 11 is a temperature sensor, 12 is a pressure sensor, 13 is a flow sensor, 14 is an oxygen content sensor, 15 is a humidity sensor, 16 is a heat insulation layer, 17 is an intelligent control system, 18 is a sewage treatment system, 19 is fresh air, and 20 is an exhaust gas deodorization system.
Detailed Description
The present invention will be described in further detail with reference to fig. 1 and the following detailed description.
As shown in fig. 1, a kitchen waste aerobic fermentation device with waste heat recovery and automatic aeration includes:
a fermentation bin 1 for biochemical fermentation of the kitchen waste; the heating and heat-preserving device is used for heating and preserving heat of the kitchen waste in the fermentation bin 1; a humidity sensor 15 for detecting the humidity of the kitchen waste and an oxygen content sensor 14 for detecting the oxygen content; the heat exchange device is used for timely discharging damp and hot waste gas generated by the kitchen waste in the fermentation bin 1 according to the numerical value of the humidity sensor 15 and recycling the heat of the damp and hot waste gas; the automatic aeration device 3 is used for timely aerating the materials in the fermentation bin 1 according to the numerical value of the oxygen content sensor 14, and the automatic aeration device 3 is arranged at the bottom of the fermentation bin 1; the fermentation chamber also comprises a heat-insulating layer 16 covering the outside of the fermentation chamber 1, and a temperature sensor 11 is also arranged in the fermentation chamber 1; the automatic aeration device 3 comprises an aeration pipeline and a plurality of aeration nozzles which are connected and distributed in the fermentation chamber 1. In fig. 1, the dotted line is a control line of the intelligent control system 17.
As shown in fig. 1, the heat exchange device includes a primary heat exchanger 8 and a secondary heat exchanger 9 connected in series with the primary heat exchanger 8, the primary heat exchanger 8 and the secondary heat exchanger 9 are both devices for exchanging heat of two mutually independent air flows and then discharging the air flows from respective passages, and the primary heat exchanger 8, the secondary heat exchanger 9 and other passages are connected by pipelines; condensate discharge ports are formed in the bottoms of the primary heat exchanger 8 and the secondary heat exchanger 9, and the condensate is delivered to an external sewage treatment system 18 through pipelines.
As shown in fig. 1, the primary heat exchanger 8 and the secondary heat exchanger 9 of the heat exchange device both include an exhaust gas inlet, an exhaust gas outlet, a fresh air 19 inlet, and a fresh air 19 outlet, the primary heat exchanger 8 and the secondary heat exchanger 9 are connected in series to form two paths, i.e., a fresh air 19 path and an exhaust gas path, the fresh air 19 path and the exhaust gas path are provided with a fan for sucking the exhaust gas and the fresh air 19 into the heat exchange device, a filter 2 for filtering impurities in the air flow, a temperature sensor 11, a humidity sensor 15, a flow sensor 13, a pressure sensor 12 for measuring the pressure of the air flow, an automatic regulating valve 4 for regulating the size of the air flow and the flow rate, and an automatic monitoring instrument.
As shown in fig. 1, the flow direction of the exhaust passage is: waste gas is sucked by the suction force of the fan and flows through the filter 2, the flow sensor 13, the automatic regulating valve 4 and the automatic monitoring instrument, flows out of the fermentation bin 1, enters the waste gas inlet of the primary heat exchanger 8, flows out of the waste gas outlet, flows into the waste gas inlet of the secondary heat exchanger 9, flows out of the waste gas outlet of the secondary heat exchanger 9, and flows out of other external treatment processes through the temperature sensor 11.
As shown in fig. 1, the flow direction of the fresh air 19 passage is: the outside fresh air 19 is sucked by the suction force of the fan and flows through the automatic regulating valve 4 and the automatic monitoring instrument to enter the fresh air 19 inlet of the secondary heat exchanger 9, flows out from the fresh air 19 outlet, flows into the fresh air 19 inlet of the primary heat exchanger 8, flows out from the fresh air 19 outlet of the primary heat exchanger 8, flows into the aeration nozzle of the automatic aeration device 3 through the flow sensor 13, and flows out from the aeration nozzle to the bottom of the fermentation bin 1 to carry out thermal aeration on the kitchen waste.
As shown in fig. 1, a side air outlet is arranged on the side surface of the fermentation chamber 1, a filter 2 and a fan are further arranged at the side air outlet, waste gas in the fermentation chamber 1 flows out from the side air outlet under the suction action of the fan, passes through the filter 2, an automatic regulating valve 4 and an automatic monitoring instrument, then flows back into an aeration nozzle of an automatic aeration device 3 of the fermentation chamber 1, and flows out from the aeration nozzle to the bottom of the fermentation chamber 1 to perform thermal aeration on the kitchen waste.
As shown in fig. 1, the intelligent control system 17 controls the heat exchange device, the automatic aeration device 3 and the heating and heat preservation device in due time according to the values of the humidity sensor 15 and the oxygen content sensor 14, and intelligently regulates and controls the operation of the whole system according to a preset program.
Referring to the attached drawing 1, taking kitchen waste with the treatment scale of 1000kg/d as an example, the method is implemented according to the following flow or mode:
a. fresh kitchen garbage gets into fermentation storehouse 1 and carries out aerobic fermentation after front end pretreatment systems preliminary treatment, starts intelligent control system 17 simultaneously, the utility model discloses automatically, get into the first stage of aerobic fermentation: temperature rising stage (day 1-3).
b. The heating and heat-preserving device is mainly started in the temperature-rising stage for ensuring the temperature of the reactor body in the bin to rise rapidly and stably, and the oxygen supply system and the exhaust system are started to the minimum extent.
c. Further, the intelligent control system 17 automatically starts the circulating fan 6, circulating air passes through the automatic aeration device 3 at the bottom of the fermentation bin 1 and uniformly passes through the garbage pile in the fermentation bin 1, and the oxygen content in the fermentation bin 1 is ensured to be maintained within the range of 8% -18%.
d. Further, when the oxygen content in the fermentation bin 1 is lower than 8%, the oxygen supply fan 10 is automatically started, and when the oxygen content is in the range of 8% -18%, the oxygen supply fan 10 is automatically closed.
e. Further, when the relative humidity of air in the fermentation chamber 1 is more than 80%, the exhaust fan 7 is automatically started, the oxygen supply fan 10 is simultaneously started, the waste gas and the fresh air 19 pass through the two-stage heat exchanger, and the temperature of the waste gas is reduced and the waste gas is discharged along with the condensate; the temperature of the fresh air 19 is increased to supplement partial heat brought out by the exhaust gas in the fermentation bin 1.
f. Further, when the temperature of the pile in the fermentation bin 1 can be stabilized at 50 +/-5 ℃, the intelligent control system 17 automatically enters the second stage of aerobic fermentation: a constant temperature phase (day 4-7).
g. In the aerobic fermentation constant-temperature stage, aerobic microorganisms in the fermentation bin 1 are more active, and the oxygen content and the moisture content in the fermentation bin 1 continuously change, so that the oxygen supply fan 10 and the exhaust fan 7 are in a continuous operation state.
h. Furthermore, the intelligent control system 17 ensures that the oxygen content in the fermentation bin 1 is maintained within the range of 8-18% by changing the frequency of the exhaust fan 7, the feed fan and the circulating fan 6, the opening degree of the automatic regulating valve 4 and the like;
i. furthermore, the intelligent control system 17 ensures that the temperature in the fermentation chamber 1 is maintained within the range of 50 +/-5 ℃ by changing the frequencies of the exhaust fan 7, the oxygen supply fan 10 and the circulating fan 6, the opening degree of the automatic regulating valve 4 and the like;
j. furthermore, the intelligent control system 17 ensures that the relative humidity of air in the fermentation chamber 1 is less than 80% by changing the frequency of the exhaust fan 7, the oxygen supply fan 10 and the circulating fan 6, the opening degree of the automatic regulating valve 4 and the like;
k. further, when the water content of the garbage pile in the fermentation bin 1 is less than 20%, the intelligent control system 17 automatically enters the third stage of aerobic fermentation: cooling phase (day 8).
And l, in the cooling stage, the kitchen waste in the fermentation bin 1 reaches the bin outlet requirement, and the main purpose of the stage is to cool the kitchen waste stack.
And m, further, the regulating valve 4 is automatically closed by 100% at the air outlet on the side surface of the fermentation bin 1, the regulating valve 4 is automatically opened by 100% at the air outlet on the top of the fermentation bin 1, and the regulating valve 4 is automatically opened by 100% at the outlet of the oxygen supply fan 10.
And n, further, when the temperature of the stack in the fermentation bin 1 is less than 25 ℃, the oxygen supply fan 10 and the circulating fan 6 are automatically shut down.
And furthermore, when the fermentation product in the fermentation bin 1 is cleaned, namely the discharging is finished, the exhaust fan 7 is automatically turned off.
And p, further, the intelligent control system 17 finishes a complete aerobic fermentation period.
Claims (9)
1. The utility model provides a take waste heat recovery and automatic aeration's kitchen garbage aerobic fermentation device, this kitchen garbage aerobic fermentation device is used for handling the kitchen garbage through the preliminary treatment, a serial communication port, include:
a fermentation bin for receiving the kitchen waste after pretreatment and performing biochemical fermentation on the kitchen waste;
the heating and heat-preserving device is used for heating and preserving heat of the kitchen waste in the fermentation bin;
a humidity sensor for detecting the humidity of the kitchen waste in the fermentation bin and an oxygen content sensor for detecting the oxygen content in the fermentation bin;
the heat exchange device is used for timely discharging damp and hot waste gas generated by the kitchen waste in the fermentation bin according to the numerical value of the humidity sensor and recycling the heat of the damp and hot waste gas;
the automatic aeration device is used for timely aerating the materials in the fermentation bin according to the numerical value of the oxygen content sensor, and is arranged at the bottom of the fermentation bin;
the intelligent control system is used for timely controlling the heat exchange device, the automatic aeration device and the heating and heat preservation device according to the numerical values of the humidity sensor and the oxygen content sensor, and intelligently regulating and controlling the operation of the whole system according to a preset program;
the heat exchange device comprises a primary heat exchanger and a secondary heat exchanger connected with the primary heat exchanger in series, wherein the primary heat exchanger and the secondary heat exchanger are both devices for exchanging heat of two mutually independent air flows and then respectively discharging the air flows from respective channels;
the automatic aeration device comprises an aeration pipeline and a plurality of aeration nozzles which are connected and distributed in the fermentation bin body.
2. The aerobic fermentation device for kitchen waste with waste heat recovery and automatic aeration as claimed in claim 1, further comprising an insulating layer covering the outside of the fermentation chamber for insulating the kitchen waste in the fermentation chamber.
3. The aerobic fermentation device for kitchen waste with waste heat recovery and automatic aeration as claimed in claim 1, wherein a temperature sensor for detecting the temperature of the kitchen waste in the fermentation chamber and controlling the heating and heat preserving device according to the temperature value is further arranged in the fermentation chamber.
4. The aerobic fermentation device for kitchen garbage with waste heat recovery and automatic aeration as claimed in claim 1, wherein the primary heat exchanger, the secondary heat exchanger and other channels are all connected by pipelines.
5. The aerobic fermentation device for kitchen waste with waste heat recovery and automatic aeration as claimed in claim 1, wherein the bottoms of the primary heat exchanger and the secondary heat exchanger are both provided with condensate discharge ports, and the condensate is sent to an external sewage treatment system through a pipeline.
6. The aerobic fermentation device for kitchen garbage with waste heat recovery and automatic aeration as claimed in claim 1, wherein the primary heat exchanger and the secondary heat exchanger of the heat exchange device both comprise a waste gas inlet, a waste gas outlet, a fresh air inlet and a fresh air outlet, the primary heat exchanger and the secondary heat exchanger are connected in series to form two paths, namely a fresh air path and a waste gas path, and the fresh air path and the waste gas path are provided with a fan for respectively sucking waste gas and fresh air into the heat exchange device, a filter for filtering impurities in the gas flow, a temperature sensor, a humidity sensor, a flow sensor, a pressure sensor for measuring the pressure of the gas flow, an automatic regulating valve for regulating the size of the gas flow and the size of the flow rate, and an automatic monitoring instrument.
7. The aerobic fermentation device for kitchen waste with waste heat recovery and automatic aeration according to claim 6, characterized in that the air flow direction of the waste gas channel is: waste gas is sucked through the suction of the fan and flows through the filter, the flow sensor, the automatic regulating valve and the automatic monitoring instrument, flows out of the fermentation bin, enters the waste gas inlet of the primary heat exchanger, flows out of the waste gas outlet, flows into the waste gas inlet of the secondary heat exchanger, flows out of the waste gas outlet of the secondary heat exchanger, and flows out of other external treatment processes through the temperature sensor.
8. The aerobic fermentation device for kitchen waste with waste heat recovery and automatic aeration according to claim 6, characterized in that the air flow direction of the fresh air passage is as follows: the fresh air outside is sucked by the suction force of the fan and flows through the automatic regulating valve and the automatic monitoring instrument to enter the fresh air inlet of the secondary heat exchanger, flows out of the fresh air outlet, flows into the fresh air inlet of the primary heat exchanger, flows out of the fresh air outlet of the primary heat exchanger, flows into the aeration nozzle of the automatic aeration device through the flow sensor, and flows out of the aeration nozzle to the bottom of the fermentation bin to perform thermal aeration on the kitchen waste.
9. The aerobic fermentation device for kitchen garbage with waste heat recovery and automatic aeration as claimed in claim 1, wherein a side air outlet is provided at the side of the fermentation chamber, a filter and a fan are further provided at the side air outlet, the waste gas in the fermentation chamber flows out from the side air outlet under the suction force of the fan, passes through the filter, the automatic regulating valve and the automatic monitoring instrument, and then flows back to the aeration nozzle of the automatic aeration device of the fermentation chamber, and flows out from the aeration nozzle to the bottom of the fermentation chamber to perform thermal aeration on the kitchen garbage.
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| CN202021636814.1U CN213835091U (en) | 2020-08-07 | 2020-08-07 | Take waste heat recovery and automatic aeration's kitchen garbage aerobic fermentation device |
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| CN202021636814.1U CN213835091U (en) | 2020-08-07 | 2020-08-07 | Take waste heat recovery and automatic aeration's kitchen garbage aerobic fermentation device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732030A (en) * | 2021-11-08 | 2021-12-03 | 北京华宇辉煌生态环保科技股份有限公司 | Multidirectional heating device and multidirectional heating method for kitchen waste treatment equipment |
| CN114210713A (en) * | 2021-12-10 | 2022-03-22 | 福建美天环保科技有限公司 | 5G intelligent biological thermal change gasification kitchen waste treatment machine |
| CN114522968A (en) * | 2021-11-12 | 2022-05-24 | 杭州科晟能源技术有限公司 | Tunnel kiln type garbage biological drying system and method |
| CN115321625A (en) * | 2022-07-20 | 2022-11-11 | 湖南利湘环保科技有限公司 | System for kitchen waste wastewater device and waste heat utilization |
| CN116020849A (en) * | 2023-03-02 | 2023-04-28 | 青岛汇君环境能源工程有限公司 | Horizontal processor suitable for kitchen garbage |
| CN118184421A (en) * | 2024-05-20 | 2024-06-14 | 成都市应顺行环保科技有限公司 | Equipment for preparing nutrient soil by utilizing sludge |
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- 2020-08-07 CN CN202021636814.1U patent/CN213835091U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732030A (en) * | 2021-11-08 | 2021-12-03 | 北京华宇辉煌生态环保科技股份有限公司 | Multidirectional heating device and multidirectional heating method for kitchen waste treatment equipment |
| CN113732030B (en) * | 2021-11-08 | 2022-02-15 | 北京华宇辉煌生态环保科技股份有限公司 | Multidirectional heating device and multidirectional heating method for kitchen waste treatment equipment |
| CN114522968A (en) * | 2021-11-12 | 2022-05-24 | 杭州科晟能源技术有限公司 | Tunnel kiln type garbage biological drying system and method |
| CN114210713A (en) * | 2021-12-10 | 2022-03-22 | 福建美天环保科技有限公司 | 5G intelligent biological thermal change gasification kitchen waste treatment machine |
| CN115321625A (en) * | 2022-07-20 | 2022-11-11 | 湖南利湘环保科技有限公司 | System for kitchen waste wastewater device and waste heat utilization |
| CN116020849A (en) * | 2023-03-02 | 2023-04-28 | 青岛汇君环境能源工程有限公司 | Horizontal processor suitable for kitchen garbage |
| CN116020849B (en) * | 2023-03-02 | 2023-11-07 | 青岛汇君环境能源工程有限公司 | Horizontal processor suitable for kitchen garbage |
| CN118184421A (en) * | 2024-05-20 | 2024-06-14 | 成都市应顺行环保科技有限公司 | Equipment for preparing nutrient soil by utilizing sludge |
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