CN115351030A - Household garbage treatment system and process - Google Patents
Household garbage treatment system and process Download PDFInfo
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- CN115351030A CN115351030A CN202210924195.3A CN202210924195A CN115351030A CN 115351030 A CN115351030 A CN 115351030A CN 202210924195 A CN202210924195 A CN 202210924195A CN 115351030 A CN115351030 A CN 115351030A
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 118
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000008569 process Effects 0.000 title claims abstract description 18
- 238000003860 storage Methods 0.000 claims abstract description 63
- 239000004519 grease Substances 0.000 claims abstract description 45
- 239000010802 sludge Substances 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 239000007787 solid Substances 0.000 claims abstract description 37
- 238000000855 fermentation Methods 0.000 claims abstract description 34
- 230000004151 fermentation Effects 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000001035 drying Methods 0.000 claims abstract description 27
- 230000018044 dehydration Effects 0.000 claims abstract description 14
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 14
- 239000012528 membrane Substances 0.000 claims abstract description 14
- 239000012535 impurity Substances 0.000 claims description 21
- 238000004062 sedimentation Methods 0.000 claims description 18
- 239000010865 sewage Substances 0.000 claims description 16
- 238000004659 sterilization and disinfection Methods 0.000 claims description 16
- 239000003337 fertilizer Substances 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 8
- 244000005700 microbiome Species 0.000 claims description 8
- 239000002910 solid waste Substances 0.000 claims description 8
- 230000005389 magnetism Effects 0.000 claims description 7
- 238000000746 purification Methods 0.000 claims description 7
- 238000007493 shaping process Methods 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 5
- 238000012216 screening Methods 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 229910003480 inorganic solid Inorganic materials 0.000 claims description 4
- 239000010808 liquid waste Substances 0.000 claims description 4
- 238000007885 magnetic separation Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 4
- 235000015097 nutrients Nutrition 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- 239000010791 domestic waste Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 2
- 230000001681 protective effect Effects 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 18
- 238000009825 accumulation Methods 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 4
- 239000002028 Biomass Substances 0.000 description 3
- 238000003763 carbonization Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004069 differentiation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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Classifications
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- 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
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/25—Non-industrial waste, e.g. household waste
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a household garbage treatment system and a household garbage treatment process, which comprise a storage bin, a spiral conveyor, a fermentation tank, a magnetic suction crane, an oil-water separator, an oil extractor and a sludge concentration dehydration machine room, wherein a discharge port is formed in the bottom end of the storage bin, one end of the discharge port is connected with the input end of the spiral conveyor, one end of the spiral conveyor is provided with a liquid garbage discharge port, the other end of the spiral conveyor is provided with a solid garbage discharge port, the fermentation tank is connected with a methane tank through a pipeline, the magnetic suction crane is installed on one side of the top end of the solid garbage discharge port and is positioned right above a solid garbage accumulation position, the oil-water separator and the output end of the oil extractor are both connected with a grease storage tank, the oil extractor is connected with an inorganic matter storage tank through a conveying pipe, one end of the inorganic matter storage tank is connected with a drying cabinet, one end of the liquid garbage discharge port is connected with a multi-mode AAO pool, and the output end of the multi-mode AAO pool is connected with an MBR membrane pool.
Description
Technical Field
The invention relates to the technical field of household garbage treatment, in particular to a household garbage treatment system and a household garbage treatment process.
Background
The household garbage disposal is specially used for the daily life or activities for providing services for the daily life, the generated solid wastes and the solid wastes regarded as the household garbage specified by laws and regulations, and comprises the steps of source reduction, cleaning, classified collection, storage, transportation, treatment, disposal and related management activities of the household garbage, wherein the purpose of the treatment is to reduce the yield of the garbage and make the quality (components and characteristics) and the quantity of the garbage more suitable for the requirements of final disposal of subsequent treatment goods.
At present, when the domestic garbage is treated, a centralized crushing mode is generally adopted, and the garbage in a crushed powder shape cannot be reasonably discharged due to more types of impurities in the domestic garbage, so that the environmental pollution is caused once the domestic garbage is not treated well; secondly, refuse classification has now been advocated, but domestic waste still can have more kind of mixed liquid after categorised, and wherein the grease mixes comparatively much to grease treatment imperfectly can breed more bacterium.
Disclosure of Invention
The embodiment of the invention provides a household garbage treatment system and a household garbage treatment process, which solve the problem of environmental pollution in the discharge process by classifying and treating impurities in household garbage.
In view of the above problems, the technical solution proposed by the present invention is:
a household garbage treatment system and a process thereof comprise:
a storage bin, a screw conveyor, a fermentation tank, a magnetic crane, an oil-water separator, an oil extractor and a sludge concentration dehydration machine room;
the device comprises a storage bin, a fermentation tank, a magnetic suction crane, an oil-water separator, an oil extractor, a drying cabinet, a multi-mode AAO pool, an MBR membrane pool, an ultraviolet disinfection pool, a sedimentation pool, a sludge storage pool and a water outlet pipeline, wherein a discharge port is arranged at the bottom end of the storage bin, one end of the discharge port is connected with the input end of a spiral conveyer, one end of the spiral conveyer is provided with a liquid garbage discharge port, the other end of the spiral conveyer is provided with a solid garbage discharge port, the fermentation tank is connected with a methane tank through a pipeline, one side of the top end of the solid garbage discharge port is provided with the magnetic suction crane, the magnetic suction crane is positioned right above a solid garbage accumulation position, the oil-water separator and the output end of the oil extractor are both connected with the grease storage tank, the oil extractor is connected with an inorganic storage tank through a conveying pipe, one end of the inorganic storage tank is connected with the drying cabinet, one end of the liquid garbage discharge port is connected with the multi-mode AAO pool, the output end of the multi-mode AAO pool is connected with the MBR membrane pool, one side of the ultraviolet disinfection pool is provided with the sedimentation pool, the two sides of the sedimentation pool are respectively connected with the sludge storage pool and the water outlet pipeline, the sludge pump pipeline, and the sludge concentration and the sludge dewatering machine room are communicated with the sludge concentration machine room through the sludge dewatering room;
in order to better realize the technical scheme of the invention, the following technical measures are also adopted.
Further, an inclined rack is welded at the bottom of the spiral conveyor, the inclined rack keeps an inclined state, and the liquid garbage discharging port is positioned at the bottom of the solid garbage discharging port.
Furthermore, high-pressure pumps are respectively installed in the multi-mode AAO tank, the MBR membrane tank, the ultraviolet disinfection tank and the sedimentation tank, and the output ends of the high-pressure pumps are connected with explosion-proof tubes and are connected with one another through the explosion-proof tubes.
Further, the output end of the sludge concentration dehydration machine room is connected with a shaping module, and the inside of the shaping module is set into a square block shape.
Further, the internally mounted of grease storage jar has dry compressor, the scum pipe is connected to dry compressor's output, the grease storage jar is run through to the one end of scum pipe to extend to the outside.
Further, install band conveyer between inorganic matter storage jar and the drying cabinet, just band conveyer's the play installs the protection casing.
A process for upgrading biomass poly-generation combined carbonization furnace comprises the following steps:
s1, transferring the household garbage to the interior of a bin through carrying, enabling the household garbage to reach a specified load capacity, and starting a spiral conveyor, so that solid-liquid classification is performed on the household garbage in the bin;
s2, conveying different types of domestic garbage to different treatment mechanisms, and performing step-by-step processing treatment, wherein part of the liquid garbage enters a fermentation tank, is subjected to dry anaerobic treatment, is communicated to methane to be purified and decontaminated, so that the biogas is extracted after a specified index is caused, so that the work of extracting the methane is completed, the other part of the liquid garbage flows to an oil-water separator to be subjected to oil-water separation treatment, the separated oil-free liquid garbage is put into a multi-mode AAO tank to be subjected to sewage treatment of nitrogen and phosphorus removal, the treated sewage is communicated to an MBR (membrane bioreactor) to be subjected to biofilm filtration treatment, so that a secondary purification function is achieved, the purified sewage is communicated to an ultraviolet disinfection tank and is subjected to ultraviolet irradiation in a light region to be disinfected, the disinfected sewage after disinfection is communicated to a sedimentation tank to be subjected to sedimentation separation, the liquid at the top layer is discharged through a water outlet pipeline, the solid at the bottom layer is transferred to a sludge storage tank, and is conveyed to sludge concentration and dehydration by a sludge pump to form a block-shaped sludge machine room;
s3, carrying out primary magnetic separation screening on the separated solid garbage, separating metal impurities in the solid garbage by using a magnetic crane, delivering the separated fixed garbage into an oil extractor, extracting oil, and separating the solid impurities in the oil extractor into two types, wherein the oil is conveyed to an oil storage tank, and inorganic matters are conveyed to an inorganic matter storage tank and are transported by a belt conveyor, so that the solid garbage in the inorganic matter storage tank is transferred to a drying cabinet for drying treatment, and the dried solid garbage is concentrated, packed and recovered;
s4, treating the grease in the steps S2 and S3 to enable the grease in the liquid garbage and the solid garbage to be completely concentrated in a grease storage tank, processing the grease by using a drying compressor, and enabling the grease in the grease storage tank to form oil cake fertilizer and discharge the oil cake fertilizer by matching with the communication of a slag discharge pipe;
and S5, after the classification treatment of the steps, the extracted biogas is communicated to a residential area for combustion, index sewage in a water outlet pipeline and mud blocks in a sludge concentration dehydration machine room are reasonably discharged, oil cake fertilizers are hermetically packaged and conveyed to corresponding farmland production places, and metal impurities and inorganic solid impurities are classified and concentrated for recovery, so that the household garbage raw materials in the storage bin are classified.
Furthermore, a filter screen is arranged at the joint of the spiral conveyor and the storage bin, and the aperture of the filter screen is 2-3 mm.
Furthermore, 2-5 parts of fermentation microorganisms are put into the fermentation tank, and grease is stored in the fermentation tank and is used for fermenting microorganisms depending on partial nutrients.
Furthermore, the operation temperature in the drying cabinet is 35-40 ℃ at medium temperature or 55-60 ℃ at high temperature.
Compared with the prior art, the invention has the beneficial effects that:
carry out auger delivery through using screw conveyer, make the rubbish raw materials that the feed bin discharged carry out solid-liquid separation, and carry out the separation processing to liquid rubbish and fixed rubbish respectively, and carry out magnetism through magnetism and inhale the loop wheel machine and inhale the screening, make the metallic impurity in the fixed rubbish carry out magnetism and inhale the separation, and use through the installation of grease extractor, carry out the grease differentiation to remaining solid rubbish, solid rubbish after advancing the differentiation again carries out the drying, thereby be convenient for pack the recovery, carry out oil extraction work through oil water separator, be convenient for draw out the grease among the liquid rubbish, and through the collection of grease storage jar, make two grease pass through the processing of drying compressor, carry out oil cake fertilizer processing, when rethread fermentation cylinder, make anaerobic fermentation marsh gas carry out in the methane-generating pit, and through the purification to liquid rubbish, filter, disinfect and deposit, make the liquid rubbish reach the standard of discharging, through the categorised formula processing like this, the domestic waste of being convenient for carries out reasonable emission.
The above description is only an overview of the technical solutions of the present invention, and the present invention can be implemented in accordance with the content of the description so as to make the technical means of the present invention more clearly understood, and the above and other objects, features, and advantages of the present invention will be more clearly understood.
Drawings
Fig. 1 is a flow chart of a household garbage disposal system and a household garbage disposal process disclosed in the embodiment of the present invention.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to the attached figure 1-1, a household garbage treatment system comprises a storage bin, a screw conveyor, a fermentation tank, a magnetic crane, an oil-water separator, an oil extractor and a sludge concentration and dehydration machine room;
the utility model discloses a multi-mode sludge pump, including feed bin, screw conveyer, oil water separator, oil extractor, fermentation cylinder, one end of feed bin, one end of discharge gate and screw conveyer's input, screw conveyer's one end sets up the liquid waste discharge port, screw conveyer's the other end sets up the solid waste discharge port, the fermentation cylinder has the methane-generating pit through the pipe connection, the loop wheel machine is inhaled to top one side installation magnetism of solid waste discharge port, just the loop wheel machine is inhaled to magnetism is located solid waste and piles up directly over the department, oil water separator all connects grease storage jar with the output of oil extractor, oil extractor has inorganic matter storage jar through duct connection, the one end of inorganic matter storage jar is connected with the drying cabinet, the one end of liquid waste discharge port is connected with multi-mode AAO pond, the output in multi-mode AAO pond is connected with the MBR membrane cisterna, there is the ultraviolet disinfection pond one side in MBR membrane cisterna, one side in ultraviolet disinfection pond is connected with the sedimentation tank, the both sides of sedimentation tank are connected with sludge storage pond and outlet conduit respectively, the internally mounted of sludge pump pipeline communicates with each other with the sludge concentration dehydration computer lab and is connected with each other through sludge pump pipeline.
Wherein the bottom of the spiral conveyor is welded with an inclined frame, the inclined frame is kept in an inclined state, and the liquid garbage discharge port is positioned at the bottom of the solid garbage discharge port.
The multi-mode AAO tank, the MBR membrane tank, the ultraviolet disinfection tank and the sedimentation tank are internally provided with high-pressure pumps respectively, and the output end of the high-pressure pump is connected with an explosion-proof tube and is connected with the explosion-proof tube through the explosion-proof tube.
The output end of the sludge thickening and dewatering machine room is connected with a shaping module, and the inside of the shaping module is set to be square.
Wherein, the internally mounted of grease storage jar has dry compressor, the scum pipe is connected to dry compressor's output, the grease storage jar is run through to the one end of scum pipe to extend to the outside.
Wherein, install band conveyer between inorganic matter storage jar and the drying cabinet, just band conveyer's the play of installing has the protection casing.
The embodiment of the invention is realized by the following technical scheme.
Referring to the attached drawings 1-1, the invention also provides a process for upgrading the biomass poly-generation combined carbonization furnace, which comprises the following steps:
s1, transferring the domestic garbage to the interior of a bin after the domestic garbage is carried, enabling the domestic garbage to reach the specified load capacity which is 2/3 of the bin, and starting a screw conveyor, so that the domestic garbage in the bin is subjected to solid-liquid classification;
s2, conveying different types of domestic garbage to different treatment mechanisms, performing step-by-step processing treatment, wherein part of the liquid garbage enters a fermentation tank, storing the liquid garbage in the fermentation tank for 3 days, performing dry anaerobic treatment, then communicating the liquid garbage to methane for purification and impurity removal, extracting the liquid garbage after the specified index is achieved, thus completing the work of extracting methane, flowing the other part of the liquid garbage to an oil-water separator, performing oil-water separation treatment, putting the separated oil-free liquid garbage into a multi-mode AAO tank, performing sewage treatment of nitrogen and phosphorus removal, communicating the treated sewage to an MBR membrane tank, performing biofilm filtration treatment, further playing a secondary purification function, communicating the purified sewage to an ultraviolet disinfection tank, performing disinfection treatment by irradiation of ultraviolet rays in a light area, communicating the disinfected sewage to a sedimentation tank for sedimentation and separation, wherein the content of the liquid garbage is lower than 3/4 of the volume of each MBR, discharging the liquid at the top layer through a water outlet pipeline, transferring the solid at the bottom layer to a sludge storage tank, then using a dewatering pump, and transporting the sludge tank to a sludge concentrating tank to form block sludge;
s3, carrying out primary magnetic separation and screening on the separated solid garbage, separating metal impurities in the solid garbage by using a magnetic crane, delivering the separated fixed garbage into an oil extractor, and extracting oil, wherein the oil extractor is set to be 1 hour, so that the solid impurities in the oil extractor are separated into two types, the oil is accumulated and conveyed to an oil storage tank, inorganic matters are conveyed to an inorganic matter storage tank, and the solid garbage in the inorganic matter storage tank is transferred to a drying cabinet through the transportation of a belt conveyor, is subjected to drying treatment, and is subjected to concentrated packaging and recycling;
s4, treating the grease in the steps S2 and S3 to enable the grease in the liquid garbage and the solid garbage to be completely concentrated in a grease storage tank, processing the grease by using a drying compressor, and enabling the grease in the grease storage tank to form oil cake fertilizer and discharge the oil cake fertilizer by matching with the communication of a slag discharge pipe;
and S5, after the classification treatment of the steps, the extracted biogas is communicated to a residential area for combustion, index sewage in a water outlet pipeline and mud blocks in a sludge concentration dehydration machine room are reasonably discharged, oil cake fertilizers are hermetically packaged and conveyed to corresponding farmland production places, and metal impurities and inorganic solid impurities are classified and concentrated for recovery, so that the household garbage raw materials in the storage bin are classified.
Wherein, the filter screen is installed to the junction of screw conveyer and feed bin, just the aperture of filter screen is in 2 ~ 3mm.
Wherein, 3 parts of fermentation microorganisms are put into the fermentation tank, and grease is preserved in the fermentation tank for the fermentation microorganisms to rely on partial nutrient substances.
Wherein, the operation temperature in the drying cabinet is selected to be 36 ℃.
Example 2
The embodiment of the invention is also realized by the following technical scheme.
Referring to the attached drawings 1-1, the invention also provides a process for upgrading the biomass poly-generation combined carbonization furnace, which comprises the following steps:
s1, transferring the domestic garbage to the interior of a bin after the domestic garbage is carried, enabling the domestic garbage to reach the specified load amount which is 3/4 of the bin, and starting a screw conveyor, so that the domestic garbage in the bin is subjected to solid-liquid classification;
s2, conveying different types of domestic garbage to different treatment mechanisms, and performing step-by-step processing treatment, wherein a part of liquid garbage enters a fermentation tank, is stored for 5 days in the fermentation tank, is subjected to dry anaerobic treatment, is communicated to methane for purification and impurity removal, is extracted after a specified index is caused, so that the work of extracting methane is completed, the other part of the liquid garbage flows to an oil-water separator, is subjected to oil-water separation treatment, is put into a multi-mode AAO tank for sewage treatment of denitrification and dephosphorization, is communicated to an MBR membrane tank for biomembrane filtration treatment, so that a secondary purification function is achieved, is communicated to an ultraviolet disinfection tank for disinfection treatment through irradiation of ultraviolet rays in a light region, is communicated to a sedimentation tank for sedimentation and separation, wherein the content of the liquid garbage is lower than 4/5 of the volume of each tank body, is discharged through a water outlet pipeline, the solid at the bottom layer is transferred to a sludge storage tank, is conveyed to a sludge concentrating and shaping machine room by using a sludge pump, and is used for sludge concentration and shaping;
s3, carrying out primary magnetic separation and screening on the separated solid garbage, separating metal impurities in the solid garbage by using a magnetic crane, delivering the separated fixed garbage into an oil extractor, and extracting oil, wherein the oil extractor is set to be 2 hours, so that the solid impurities in the oil extractor are separated into two types, the oil is accumulated and conveyed to an oil storage tank, inorganic matters are conveyed to an inorganic matter storage tank, and the solid garbage in the inorganic matter storage tank is transferred to a drying cabinet through the transportation of a belt conveyor, is subjected to drying treatment, and is subjected to concentrated packaging and recycling;
s4, treating the grease in the steps S2 and S3 to enable the grease in the liquid garbage and the solid garbage to be completely concentrated in a grease storage tank, processing the grease by using a drying compressor, and enabling the grease in the grease storage tank to form oil cake fertilizer and discharge the oil cake fertilizer by matching with the communication of a slag discharge pipe;
and S5, after the classification treatment of the steps, the extracted biogas is communicated to a residential area for combustion, index sewage in a water outlet pipeline and mud blocks in a sludge concentration dehydration machine room are reasonably discharged, oil cake fertilizers are hermetically packaged and conveyed to corresponding farmland production places, and metal impurities and inorganic solid impurities are classified and concentrated for recovery, so that the household garbage raw materials in the storage bin are classified.
Wherein, the filter screen is installed to the junction of screw conveyer and feed bin, just the aperture of filter screen is in 2 ~ 3mm.
Wherein, 4 parts of fermentation microorganisms are put into the fermentation tank, and grease is preserved in the fermentation tank for the fermentation microorganisms to depend on partial nutrient substances.
Wherein, the operation temperature in the drying cabinet is selected to be 56 ℃.
Others are as in example 1.
It should be noted that the specific model specifications of the screw conveyor, the magnetic crane, the oil-water separator, the oil extractor, the high-pressure pump, the drying compressor and the belt conveyor need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, and therefore, detailed description is omitted.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A household garbage disposal system, comprising:
the system comprises a storage bin, a screw conveyor, a fermentation tank, a magnetic crane, an oil-water separator, an oil extractor and a sludge concentration and dehydration machine room;
the utility model discloses a multi-mode sludge pump, including feed bin, screw conveyer, oil water separator, oil extractor, fermentation cylinder, one end of feed bin, one end of discharge gate and screw conveyer's input, screw conveyer's one end sets up the liquid waste discharge port, screw conveyer's the other end sets up the solid waste discharge port, the fermentation cylinder has the methane-generating pit through the pipe connection, the loop wheel machine is inhaled to top one side installation magnetism of solid waste discharge port, just the loop wheel machine is inhaled to magnetism is located solid waste and piles up directly over the department, oil water separator all connects grease storage jar with the output of oil extractor, oil extractor has inorganic matter storage jar through duct connection, the one end of inorganic matter storage jar is connected with the drying cabinet, the one end of liquid waste discharge port is connected with multi-mode AAO pond, the output in multi-mode AAO pond is connected with the MBR membrane cisterna, there is the ultraviolet disinfection pond one side in MBR membrane cisterna, one side in ultraviolet disinfection pond is connected with the sedimentation tank, the both sides of sedimentation tank are connected with sludge storage pond and outlet conduit respectively, the internally mounted of sludge pump pipeline communicates with each other with the sludge concentration dehydration computer lab and is connected with each other through sludge pump pipeline.
2. The household garbage disposal system according to claim 1, wherein: the bottom of the spiral conveyor is welded with an inclined frame, the inclined frame keeps an inclined state, and the liquid garbage discharge port is positioned at the bottom of the solid garbage discharge port.
3. The household garbage disposal system according to claim 1, wherein: the multi-mode AAO pond, MBR membrane cisterna, ultraviolet disinfection pond and sedimentation tank's inside is installed the high-pressure pump respectively, the output of high-pressure pump is connected with the explosion-proof pipe to through explosion-proof pipe interconnect.
4. The household garbage disposal system according to claim 1, wherein: the output of sludge concentration dehydration computer lab is connected with moulding module, the inside of moulding module sets up to the square block shape.
5. The household garbage disposal system according to claim 1, wherein: the internally mounted of grease storage jar has dry compressor, the scum pipe is connected to dry compressor's output, the grease storage jar is run through to the one end of scum pipe to extend to the outside.
6. The household garbage disposal system according to claim 1, wherein: a belt conveyor is arranged between the inorganic matter storage tank and the drying cabinet, and a protective cover is arranged outside the belt conveyor.
7. A process for using a domestic waste treatment system according to claims 1-6, wherein: the method comprises the following steps:
s1, transferring the household garbage to the interior of a bin through carrying, enabling the household garbage to reach a specified load capacity, and starting a spiral conveyor, so that solid-liquid classification is performed on the household garbage in the bin;
s2, conveying different types of domestic garbage to different treatment mechanisms, and performing step-by-step processing treatment, wherein part of the liquid garbage enters a fermentation tank, is subjected to dry anaerobic treatment, is communicated to biogas to be purified and purified, and is extracted after a specified index is caused, so that the work of extracting biogas is completed, the other part of the liquid garbage flows to an oil-water separator, so that oil-water separation treatment is performed, the separated oil-free liquid garbage is put into a multi-mode AAO (anaerobic-anoxic-oxic) tank to be subjected to sewage treatment for nitrogen and phosphorus removal, the treated sewage is communicated to an MBR (membrane bioreactor) to be subjected to biofilm filtration treatment, so that a secondary purification function is realized, the purified sewage is communicated to an ultraviolet disinfection tank, is subjected to ultraviolet irradiation in a light region to be disinfected, and is communicated to a sedimentation tank to be subjected to sedimentation separation, the liquid on the top layer is discharged through a water outlet pipeline, the solid on the bottom layer is transferred to a sludge storage tank, and is conveyed to sludge concentration and dehydration by using a sludge pump to perform sludge shaping, so that a block-shaped machine room is formed;
s3, carrying out primary magnetic separation screening on the separated solid garbage, separating metal impurities in the solid garbage by using a magnetic crane, delivering the separated fixed garbage into an oil extractor, extracting oil, and separating the solid impurities in the oil extractor into two types, wherein the oil is conveyed to an oil storage tank, and inorganic matters are conveyed to an inorganic matter storage tank and are transported by a belt conveyor, so that the solid garbage in the inorganic matter storage tank is transferred to a drying cabinet for drying treatment, and the dried solid garbage is concentrated, packed and recovered;
s4, treating the grease in the steps S2 and S3 to enable the grease in the liquid garbage and the solid garbage to be completely concentrated in a grease storage tank, processing the grease by using a drying compressor, and enabling the grease in the grease storage tank to form oil cake fertilizer and discharge the oil cake fertilizer by matching with the communication of a slag discharge pipe;
and S5, after the classification treatment of the steps, the extracted biogas is communicated to a residential area for combustion, index sewage in a water outlet pipeline and mud blocks in a sludge concentration dehydration machine room are reasonably discharged, oil cake fertilizers are hermetically packaged and conveyed to corresponding farmland production places, and metal impurities and inorganic solid impurities are classified and concentrated for recovery, so that the household garbage raw materials in the storage bin are classified.
8. The process of claim 7, wherein the process comprises the steps of: the filter screen is installed at the junction of screw conveyer and feed bin, just the aperture of filter screen is at 2 ~ 3mm.
9. The process of claim 7, wherein the process comprises the steps of: 2-5 parts of fermentation microorganisms are put into the fermentation tank, and grease is stored in the fermentation tank for the fermentation microorganisms to rely on partial nutrients.
10. The process of claim 7, wherein the process comprises the steps of: the operation temperature in the drying cabinet is 35-40 ℃ at medium temperature or 55-60 ℃ at high temperature.
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