CN220745741U - Kitchen waste organic fertilizer preparation system without biochemical treatment wastewater - Google Patents
Kitchen waste organic fertilizer preparation system without biochemical treatment wastewater Download PDFInfo
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- CN220745741U CN220745741U CN202322259428.5U CN202322259428U CN220745741U CN 220745741 U CN220745741 U CN 220745741U CN 202322259428 U CN202322259428 U CN 202322259428U CN 220745741 U CN220745741 U CN 220745741U
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- aerobic composting
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- 239000002351 wastewater Substances 0.000 title claims abstract description 44
- 239000010806 kitchen waste Substances 0.000 title claims abstract description 43
- 239000003895 organic fertilizer Substances 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 238000000855 fermentation Methods 0.000 claims abstract description 69
- 230000004151 fermentation Effects 0.000 claims abstract description 66
- 238000009292 forward osmosis Methods 0.000 claims abstract description 63
- 238000009264 composting Methods 0.000 claims abstract description 49
- 238000003825 pressing Methods 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000012535 impurity Substances 0.000 claims abstract description 21
- 238000001035 drying Methods 0.000 claims abstract description 19
- 238000003860 storage Methods 0.000 claims abstract description 18
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 17
- 238000000926 separation method Methods 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 17
- 239000012528 membrane Substances 0.000 claims description 17
- 239000010813 municipal solid waste Substances 0.000 claims description 15
- 239000000047 product Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 12
- 239000002910 solid waste Substances 0.000 claims description 11
- 239000010779 crude oil Substances 0.000 claims description 8
- 239000012065 filter cake Substances 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- 239000000706 filtrate Substances 0.000 claims description 5
- 238000012806 monitoring device Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000001007 puffing effect Effects 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- 239000003337 fertilizer Substances 0.000 claims description 3
- 239000012510 hollow fiber Substances 0.000 claims 1
- 238000004064 recycling Methods 0.000 description 9
- 239000007787 solid Substances 0.000 description 8
- 238000003912 environmental pollution Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000002699 waste material Substances 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 5
- 235000012055 fruits and vegetables Nutrition 0.000 description 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical group [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- 239000010794 food waste Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000002361 compost Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 235000019198 oils Nutrition 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000010902 straw Substances 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 238000010564 aerobic fermentation Methods 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000149 chemical water pollutant Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 235000021190 leftovers Nutrition 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000010871 livestock manure Substances 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 235000019476 oil-water mixture Nutrition 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 2
- 229910052939 potassium sulfate Inorganic materials 0.000 description 2
- 235000011151 potassium sulphates Nutrition 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000219112 Cucumis Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical group N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 235000013877 carbamide Nutrition 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000002068 microbial inoculum Substances 0.000 description 1
- 239000010812 mixed waste Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000019837 monoammonium phosphate Nutrition 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 235000014594 pastries Nutrition 0.000 description 1
- 239000002296 pyrolytic carbon Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
Landscapes
- Fertilizers (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The utility model relates to the technical field of kitchen waste treatment and discloses a kitchen waste organic fertilizer preparation system without biochemical treatment wastewater, which comprises an aggregate and draining system, a impurity crushing system, an oil-water separation system, a filter pressing system, a high-temperature aerobic composting fermentation system, a granulating and drying system, a wastewater storage tank, a forward osmosis system and a reverse osmosis system.
Description
Technical Field
The utility model relates to the technical field of kitchen waste treatment, in particular to a kitchen waste organic fertilizer preparation system without biochemical treatment wastewater.
Background
The kitchen waste is from food residues in the catering industry, processing process wastes of fruits and vegetables, meat, grease, pastries and the like in the kitchen, and perishable organic wastes of fruits and vegetables, food leftover materials, leftovers, melon and peel and the like discarded in daily life in families. The kitchen waste is the main component in the urban waste, the proportion of the kitchen waste to the household waste is more than 50%, and the annual production amount of the kitchen waste is more than 2.5 hundred million tons according to 14 hundred million population counts of the whole country. After the household garbage is classified, the kitchen garbage yield is huge, and how to treat the kitchen garbage is a big thing for protecting the environment and utilizing resources.
The traditional treatment method of the kitchen waste comprises landfill, incineration, anaerobic fermentation, aerobic composting and other methods. Kitchen waste is treated by landfill, so that a large amount of landfill leachate is generated, and greenhouse gas and harmful gas are also generated, so that secondary environmental pollution is caused. The kitchen waste is treated by adopting an incineration method, so that the heat value of the mixed waste is reduced, the generated energy is reduced, and even the normal continuous operation of the incineration process can be interfered, and the environment pollution is easy to cause. The kitchen waste is treated by anaerobic fermentation, which is an advanced treatment method at present, but has a plurality of defects, wherein biogas slurry generated by anaerobic fermentation enters a landfill leachate system for treatment, the generated biogas residue and household garbage are mixed and burnt for treatment, no recycling is utilized, after the biogas slurry is treated by the leachate system, concentrated phase liquid is prepared into lime milk, and the lime milk enters fly ash through flue gas desulfurization, so that the salt content of the fly ash is high, the recycling is difficult, and secondary environmental pollution is further caused. In the prior art, although kitchen waste can be treated through aerobic composting, the kitchen waste has large water content and can generate a large amount of wastewater to be treated, so that resource waste and environmental pollution are also caused, and the kitchen waste is not popularized any more. The problems of secondary environmental pollution, low recycling utilization rate, high cost, poor benefit and the like still exist in the current kitchen waste treatment.
Disclosure of Invention
The utility model aims to provide a kitchen waste organic fertilizer preparation system without biochemical treatment wastewater, which solves the problems that the kitchen waste is subjected to secondary environmental pollution and is difficult to be recycled.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a kitchen waste organic fertilizer preparation system without biochemical treatment wastewater,
the kitchen garbage collection and crushing system comprises an aggregate and a draining system for collecting and draining kitchen garbage raw materials, and a impurity removal crushing system for removing impurities from the drained kitchen garbage and crushing the kitchen garbage, wherein the aggregate and the draining system are connected with the impurity removal crushing system and an oil-water separation system, and the impurity removal crushing system is connected with a filter pressing system; the filter cake of the organic solid waste and filter pressing system is fed into a high-temperature aerobic composting fermentation system, and the filtrate is fed into an oil-water separation system; the discharge port of the high-temperature aerobic composting fermentation system is connected with the feed port of the granulating and drying system, the exhaust port of the high-temperature aerobic composting fermentation system is connected with the odor treatment system, and the percolate outlet of the high-temperature aerobic composting fermentation system is connected with the filter pressing system; the feed inlet of the granulating and drying system is also connected with an auxiliary material feed pipe, and the product outlet of the granulating and drying system is connected with an organic fertilizer product warehouse; the outlet pipe of the oil-water separation system is connected with the wastewater storage tank, the oil outlet pipe is connected with the crude oil processing system, the wastewater storage tank is connected with the forward osmosis system, the forward osmosis system is connected with the reverse osmosis system and is connected with the concentrated phase liquid, the solid-liquid mixture outlet after the wastewater concentration of the forward osmosis system is connected with the filter pressing system and the high-temperature aerobic composting fermentation system, the concentrated phase liquid of the reverse osmosis system returns to the forward osmosis system, and the water outlet of the reverse osmosis system is connected with the pure water recycling storage tank.
The system comprises the following steps of:
(1) Carrying out aggregate draining on the kitchen waste, and separating to form a solid raw material and an oil-water mixture;
(2) Removing impurities, crushing, press-filtering and dehydrating the solid raw materials in the step (1), and obtaining filtrate and a filter cake, wherein the filtrate and an oil-water mixture in the step (1) are subjected to oil-water separation together to obtain crude oil and wastewater;
(3) Introducing the wastewater generated in the step (2) into a forward osmosis system for concentration;
(4) Mixing the filter cake obtained in the step (2) with crushed organic solid waste and composting fermentation microbial inoculum, then carrying out aerobic composting fermentation, and introducing percolate generated by the aerobic composting fermentation into the step (2) for press filtration and dehydration;
(5) Carrying out reverse osmosis concentration on the driving liquid of the forward osmosis system in the step (3), returning concentrated phase liquid to the forward osmosis system to continue forward osmosis driving, recycling pure water, and returning the solid-liquid mixture generated by the forward osmosis system to the step (2) for filter pressing and dehydration;
(6) And (3) mixing the organic fertilizer fermented by the aerobic composting in the step (4) with auxiliary materials, granulating, drying, and checking to be qualified to form an organic fertilizer product.
The scheme is characterized in that: the kitchen waste raw materials are subjected to water draining firstly, then are subjected to impurity removal and crushing, a solid-liquid mixture formed after crushing, a part of solid-liquid mixture generated by forward osmosis of subsequent filter-pressing liquid waste water and a part of percolate generated by high-temperature aerobic composting fermentation are subjected to filter pressing treatment together, filter cakes after filter pressing, a part of solid-liquid mixture formed after forward osmosis concentration and a proper amount of crushed organic solid waste and composting fermentation bacteria are mixed for high-temperature aerobic composting fermentation, the heat generated by the high-temperature aerobic fermentation can evaporate the redundant water of composting materials, and the organic fermented material after the aerobic fermentation and auxiliary materials are mixed for granulating and drying after compounding, so that an organic fertilizer product is formed. The oil-water separation is carried out on the oily wastewater such as the draining liquid, the press filtrate and the like, and then the forward osmosis treatment is carried out, so that the biochemical treatment of the wastewater is avoided, the crude oil, the pure water and the organic matters and the nutrients in the wastewater are recovered, and the secondary environmental pollution generated by the kitchen waste treatment is avoided; according to the method, the forward osmosis treatment system, the organic solid waste and the high-temperature aerobic composting fermentation system are organically combined, so that waste water biochemical treatment and secondary environmental pollution in kitchen waste treatment are avoided, the recycling of beneficial ingredients of the kitchen waste is realized, and the treatment cost is reduced.
Drawings
Fig. 1 is a schematic diagram of a system according to an embodiment of the present utility model.
Detailed Description
The following is a further detailed description of the embodiments:
example 1
As shown in fig. 1, the embodiment provides a kitchen waste organic fertilizer preparation system without biochemical treatment wastewater, which comprises a kitchen waste raw material entering an aggregate and draining system 1, wherein the aggregate and draining system 1 is connected with a impurity removal crushing system 2 and an oil-water separation system 7, the impurity removal crushing system 2 is a mature bag breaking separator, a grid, a sand removal device and a pulverizer for sequentially treating kitchen waste, the impurity removal crushing system 2 is connected with a filter pressing system 3, the filter pressing system comprises a filter press, a belt conveying system, an automatic cleaning system and a feed pump system, the filter press is a plate-and-frame filter press, the filter pressing system 3 is connected with a high-temperature aerobic composting fermentation system 4, the oil-water separation system 7 and a forward osmosis system 9, and the high-temperature aerobic composting fermentation system 4 can adopt a strip pile type composting fermentation system, a groove fermentation system, a cylindrical fermentation system, a tower fermentation system or a puffing fermentation system; the high-temperature aerobic composting fermentation system 4 is also provided with a fermentation environment monitoring device which comprises a sensor for monitoring parameters such as moisture, oxygen concentration, temperature, pH value and the like; the high-temperature aerobic composting fermentation system 4 is connected with the granulating and drying system 5, the forward osmosis system 9, the odor treatment system and the organic solid waste feed inlet, the percolate outlet of the high-temperature aerobic composting fermentation system 4 is connected with the filter pressing system 3, the inlet of the granulating and drying system 5 is connected with the auxiliary materials and the product outlet of the granulating and drying system is connected with the organic fertilizer product warehouse 6, the granulating and drying system 5 is a medium machine Hua Feng rotary drum granulating complete equipment system, the oil-water separation system 7 is connected with the waste water storage tank 8 and the crude oil processing system 11, the waste water storage tank 8 is connected with the forward osmosis system 9, the forward osmosis membrane of the forward osmosis system 9 is a flat plate type polyimide composite forward osmosis membrane, and the driving liquid of the forward osmosis system 9 is sodium chloride aqueous solution; the forward osmosis system 9 is connected with the reverse osmosis system 10 and is connected with the concentrated phase liquid, a solid-liquid mixture outlet after the forward osmosis system 9 performs wastewater concentration is connected with the filter pressing system 3 and the high-temperature aerobic composting fermentation system 4, the concentrated phase liquid of the reverse osmosis system 10 returns to the forward osmosis system 9, and the effluent of the reverse osmosis system 10 is connected with the pure water recycling storage pool.
Wherein the kitchen waste comprises food waste, kitchen waste and fruit and vegetable waste; the organic solid waste is straw and livestock manure; the auxiliary materials are beneficial bacteria required by organic fertilizer products; the dosage of the compost fermentation bacteria is 3 fermentation materials/kg; the solid content of a solid-liquid mixture formed after the wastewater of the wastewater storage tank is concentrated by a forward osmosis system is 20%; the solids content of the filter cake of the filter pressing system is 40%.
Example 2
This embodiment provides a kitchen garbage system fertilizer system that does not have biochemical treatment waste water, and its main constitution and connection are similar to embodiment 1, include: the kitchen waste raw material enters an aggregate and draining system 1, the aggregate and draining system 1 is connected with a impurity removal crushing system 2 and an oil-water separation system 7, the impurity removal crushing system 2 is connected with a filter pressing system 3, the filter pressing system 3 adopts a spiral-pile filter press, the filter pressing system 3 is connected with a high-temperature aerobic composting fermentation system 4, the oil-water separation system 7 and a forward osmosis system 9, the high-temperature aerobic composting fermentation system 4 is connected with a granulating and drying system 5, a forward osmosis system 9, an odor treatment system and an organic solid waste feeding port, the high-temperature aerobic composting fermentation system 4 can adopt a strip pile type composting system, a groove type fermentation system, a cylinder fermentation system, a tower type fermentation system or a puffing fermentation system, and the embodiment adopts the groove type composting fermentation system; the high-temperature aerobic composting fermentation system 4 is also provided with a fermentation environment monitoring device, and the monitoring device is used for monitoring parameters including moisture, oxygen concentration, temperature, pH and the like; the leachate outlet of the high-temperature aerobic composting fermentation system 4 is connected with the filter pressing system 3, the inlet of the granulating and drying system 5 is connected with auxiliary materials and a product outlet is connected with the organic fertilizer product warehouse 6, the granulating and drying system 5 is a disk granulating complete equipment system of a central machine Hua Feng, the oil-water separation system 7 is connected with the wastewater storage tank 8 and the crude oil processing system 11, the wastewater storage tank 8 is connected with the forward osmosis system 9, the forward osmosis membrane of the forward osmosis system 9 is a coiled cellulose acetate forward osmosis membrane, the forward osmosis system 9 is connected with the reverse osmosis system 10 and is connected with concentrated phase liquid, the solid-liquid mixture outlet after the forward osmosis system 9 carries out wastewater concentration is connected with the filter pressing system 3 and the high-temperature aerobic composting fermentation system 4, and the concentrated phase liquid of the reverse osmosis system 10 is returned to the forward osmosis system 9 and the effluent of the reverse osmosis system 10 is connected with the pure water recycling storage tank.
Crude oil refers to raw primary oil in kitchen waste, and related processing systems are common prior art, such as CN202744513U swill-cooked dirty oil extraction processing systems.
The kitchen waste comprises food waste, kitchen waste and fruit and vegetable waste.
The organic solid waste is straw, livestock manure and biogas residue.
The impurity removal crushing system comprises bag breaking sorting, a grating and sand removal equipment.
The forward osmosis membrane used in the forward osmosis system is a roll-type forward osmosis membrane.
The driving liquid used in the forward osmosis system is ammonium chloride aqueous solution.
The auxiliary materials are ammonium chloride, calcium hydrophosphate and potassium sulfate.
The amount of the compost fermentation bacteria is 4 tons of fermentation materials per kilogram.
The solid content of the solid-liquid mixture formed after the wastewater of the wastewater storage tank is concentrated by the forward osmosis system is 25%.
The solids content of the filter cake of the filter pressing system is 45%.
The high-temperature aerobic composting fermentation system is a trough fermentation system.
The filter pressing system comprises a filter press, a belt conveying system, an automatic cleaning system and a feed pump system.
Example 3
This embodiment provides a kitchen garbage system fertilizer system that does not have biochemical treatment waste water, and its main constitution and connection are similar to embodiment 1, include: the kitchen waste raw material enters an aggregate and draining system 1, the aggregate and draining system 1 is connected with a impurity removal crushing system 2 and an oil-water separation system 7, the impurity removal crushing system 2 is connected with a filter pressing system 3, the filter pressing system 3 adopts a membrane filter press or a box filter press, the filter pressing system 3 is connected with a high-temperature aerobic composting fermentation system 4, the oil-water separation system 7 and a forward osmosis system 9, the high-temperature aerobic composting fermentation system 4 is connected with a granulating and drying system 5, a forward osmosis system 9 odor treatment system and an organic solid waste feed inlet, and the high-temperature aerobic composting fermentation system 4 can adopt a strip pile type composting system, a groove fermentation system, a cylinder fermentation system, a tower fermentation system or a puffing fermentation system; the high-temperature aerobic composting fermentation system 4 is also provided with a fermentation environment monitoring device for monitoring parameters such as moisture, oxygen concentration, temperature, pH and the like; the leachate outlet of the high-temperature aerobic composting fermentation system 4 is connected with the filter pressing system 3, the inlet of the granulating and drying system 5 is connected with auxiliary materials and a product outlet is connected with the organic fertilizer product warehouse 6, the granulating and drying system 5 is a Hebei Ding Yang disc granulating complete equipment system, the oil-water separation system 7 is connected with the wastewater storage tank 8 and the crude oil processing system 11, the wastewater storage tank 8 is connected with the forward osmosis system 9, the forward osmosis system 9 is connected with the reverse osmosis system 10 and is connected with concentrated phase liquid, the forward osmosis membrane of the forward osmosis system 9 is a butterfly polyimide composite forward osmosis membrane, the solid-liquid mixture outlet after the forward osmosis system 9 carries out wastewater concentration is connected with the filter pressing system 3 and the high-temperature aerobic composting fermentation system 4, and the concentrated phase liquid of the reverse osmosis system 10 returns to the forward osmosis system 9 and the water of the reverse osmosis system 10 is connected with the pure water recycling storage tank.
The kitchen waste comprises food waste, kitchen waste and fruit and vegetable waste.
The organic solid waste is straw, biogas residue, fungus residue and food industry waste.
The impurity removal crushing system comprises a bag breaking separator, a grid, a sand removal device and a crusher which are sequentially arranged.
The forward osmosis membrane used in the forward osmosis system is a disc type forward osmosis membrane.
The driving liquid used in the forward osmosis system is ammonium sulfate water solution.
The auxiliary materials are materials required by organic fertilizer products and comprise urea, ammonium dihydrogen phosphate, potassium sulfate and pyrolytic carbon.
The amount of the compost fermentation bacteria is 3 tons of fermentation materials per kilogram.
The solid content of the solid-liquid mixture formed after the wastewater of the wastewater storage tank is concentrated by the forward osmosis system is 22%.
The solids content of the filter cake of the filter pressing system is 40%.
The high-temperature aerobic composting fermentation system can be a strip stack type composting system.
The filter pressing system comprises a filter press, a belt conveying system, an automatic cleaning system and a feed pump system.
The foregoing is merely an embodiment of the present utility model, and by using mature equipment in the prior art in an organic combination, the present utility model is easy to implement and has low cost, and specific technical schemes and/or features well known in the schemes are not described herein too much. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the technical solution of the present utility model, in which the specific meanings of the above terms in the present utility model are understood by those skilled in the art according to the specific circumstances, unless explicitly specified and defined otherwise. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (6)
1. A kitchen garbage system fertilizer system that does not have biochemical treatment waste water, its characterized in that: the kitchen garbage collection and crushing device comprises an aggregate and draining system (1) for collecting and draining kitchen garbage raw materials, a impurity removal crushing system (2) for removing impurities from the drained kitchen garbage and crushing the kitchen garbage, wherein the aggregate and draining system (1) is connected with the impurity removal crushing system (2) and an oil-water separation system (7), and the impurity removal crushing system (2) is connected with a filter pressing system (3); the filter cake of the organic solid waste and filter pressing system (3) is fed into a high-temperature aerobic composting fermentation system (4), and the filtrate is fed into an oil-water separation system (7); the discharge port of the high-temperature aerobic composting fermentation system (4) is connected with the feed port of the granulating and drying system (5), the exhaust port is connected with the odor treatment system, and the percolate outlet of the high-temperature aerobic composting fermentation system (4) is connected with the filter pressing system (3); the feed inlet of the granulating and drying system (5) is also connected with an auxiliary material feed pipe, and the product outlet of the granulating and drying system (5) is connected with an organic fertilizer product warehouse (6); the outlet pipe of oil water separating system (7) is connected with waste water storage tank (8), goes out oil pipe connection crude oil processing system (11), and forward osmosis system (9) is connected in waste water storage tank (8), and reverse osmosis system (10) are connected in forward osmosis system (9) and are connected with dense phase liquid, and the solid-liquid mixture export after forward osmosis system (9) carries out waste water concentration is connected to filter pressing system (3) and high temperature aerobic composting fermentation system (4), and the dense phase liquid of reverse osmosis system (10) returns forward osmosis system (9), and reverse osmosis system (10) goes out water and connects pure water retrieval and utilization reservoir.
2. The kitchen waste organic fertilizer system without biochemical treatment wastewater according to claim 1, wherein: the impurity removal crushing system comprises a bag breaking separator, a grid, sand removal equipment and a crusher which are sequentially arranged.
3. The kitchen waste organic fertilizer system without biochemical treatment wastewater according to claim 1, wherein: the high-temperature aerobic composting system is a strip pile type composting system, a groove type fermentation system, a cylinder fermentation system, a tower type fermentation system or a puffing fermentation system.
4. The kitchen waste organic fertilizer system without biochemical treatment wastewater according to claim 1, wherein: the forward osmosis membrane of the forward osmosis system is a flat plate type forward osmosis membrane, a hollow fiber forward osmosis membrane, a disc type forward osmosis membrane and/or a roll type forward osmosis membrane.
5. The kitchen waste organic fertilizer system without biochemical treatment wastewater according to claim 1, wherein: the high-temperature aerobic composting system is provided with a fermentation environment monitoring device.
6. The kitchen waste organic fertilizer system without biochemical treatment wastewater according to claim 1, wherein: the filter pressing system comprises a filter press, a belt conveying system, an automatic cleaning system and a feed pump system; the filter press is a spiral-type filter press, a plate-and-frame filter press, a membrane filter press or a chamber filter press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322259428.5U CN220745741U (en) | 2023-08-22 | 2023-08-22 | Kitchen waste organic fertilizer preparation system without biochemical treatment wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322259428.5U CN220745741U (en) | 2023-08-22 | 2023-08-22 | Kitchen waste organic fertilizer preparation system without biochemical treatment wastewater |
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| Publication Number | Publication Date |
|---|---|
| CN220745741U true CN220745741U (en) | 2024-04-09 |
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|---|---|---|---|
| CN202322259428.5U Active CN220745741U (en) | 2023-08-22 | 2023-08-22 | Kitchen waste organic fertilizer preparation system without biochemical treatment wastewater |
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| Country | Link |
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