CN112321337A - Kitchen waste desalting and fermenting device and method - Google Patents
Kitchen waste desalting and fermenting device and method Download PDFInfo
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- CN112321337A CN112321337A CN202011231154.3A CN202011231154A CN112321337A CN 112321337 A CN112321337 A CN 112321337A CN 202011231154 A CN202011231154 A CN 202011231154A CN 112321337 A CN112321337 A CN 112321337A
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- water
- fermentation
- reverse osmosis
- oil
- kitchen waste
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- 239000010806 kitchen waste Substances 0.000 title claims abstract description 59
- 238000011033 desalting Methods 0.000 title claims description 11
- 238000000034 method Methods 0.000 title abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 122
- 238000000855 fermentation Methods 0.000 claims abstract description 61
- 230000004151 fermentation Effects 0.000 claims abstract description 61
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 59
- 238000010612 desalination reaction Methods 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 239000012528 membrane Substances 0.000 claims description 17
- 239000010813 municipal solid waste Substances 0.000 claims description 17
- 238000006303 photolysis reaction Methods 0.000 claims description 16
- 230000015843 photosynthesis, light reaction Effects 0.000 claims description 15
- 238000004332 deodorization Methods 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 11
- 239000004519 grease Substances 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 9
- 239000004576 sand Substances 0.000 claims description 9
- 239000012267 brine Substances 0.000 claims description 5
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 2
- 239000003895 organic fertilizer Substances 0.000 abstract description 24
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003337 fertilizer Substances 0.000 description 14
- 150000003839 salts Chemical class 0.000 description 13
- 239000007789 gas Substances 0.000 description 12
- 229910052799 carbon Inorganic materials 0.000 description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 244000005700 microbiome Species 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910017053 inorganic salt Inorganic materials 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 241000227653 Lycopersicon Species 0.000 description 2
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- -1 sodium chloride) Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F9/00—Fertilisers from household or town refuse
- C05F9/02—Apparatus for the manufacture
-
- 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
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The application discloses kitchen waste desalination and fermentation device and method, kitchen waste desalination and fermentation device includes fermentation storehouse and broken water oil separating all-in-one, broken water oil separating all-in-one is used for broken kitchen waste, the fermentation storehouse is used for fermenting the kitchen waste after the breakage, broken water oil separating all-in-one sets up in fermentation storehouse one side, still includes the reverse osmosis jar, the reverse osmosis jar sets up between fermentation storehouse and broken water oil separating all-in-one, the reverse osmosis jar with fermentation storehouse and broken water oil separating all-in-one homogeneous phase are connected. The device provided by the invention has the following beneficial effects: the kitchen waste can be rapidly fermented into the organic fertilizer, and the salinity of the organic fertilizer obtained by fermentation reaches the manufacturing standard of the organic fertilizer.
Description
Technical Field
The invention relates to the field of kitchen waste treatment, in particular to a kitchen waste desalting and fermenting device and method.
Background
The treatment of the kitchen waste is very important resource waste, and at present, two treatment methods of the kitchen waste are mainly used, one is incineration after drying, and the other is used as fertilizer after crushing and fermentation.
Patent CN107321770A provides a comprehensive treatment device for kitchen and household organic garbage, the device can crush, dehydrate and ferment the kitchen waste to obtain the organic fertilizer after fermentation, but the device for fermenting the kitchen waste to prepare the organic fertilizer has a problem, namely, the kitchen waste has relatively high content of salt (mainly sodium chloride), the sodium chloride has certain inhibition effect on the activity of microorganisms, and is fermented after extrusion dehydration, the fermentation raw material is relatively high, therefore, under the conditions of high salt and low water, the microorganism activity is relatively weak, so that the device has slow speed when preparing the organic fertilizer by fermentation, has high salt content in the prepared organic fertilizer, and the organic fertilizer with high salinity content can cause the crop to burn seedlings, and can even cause soil salinization after being used for a long time.
Disclosure of Invention
The invention provides a kitchen waste desalting and fermenting device and method aiming at the problems.
The technical scheme adopted by the invention is as follows:
the utility model provides a kitchen garbage desalination fermenting installation, includes fermentation storehouse and broken water oil separating all-in-one, broken water oil separating all-in-one is used for broken kitchen garbage, the fermentation storehouse is used for the kitchen garbage after the fermentation breakage, broken water oil separating all-in-one sets up in fermentation storehouse one side, still includes the reverse osmosis jar, the reverse osmosis jar sets up between fermentation storehouse and broken water oil separating all-in-one, the reverse osmosis jar with fermentation storehouse and broken water oil separating all-in-one homogeneous phase are connected.
This device is when handling kitchen garbage, carry out broken deoiling to kitchen garbage and handle the back, carry out desalination to kitchen garbage earlier, salt in the messenger kitchen garbage reaches fertilizer standard content, make kitchen garbage ferment under the environment of a relative low salinity like this, and the environment of low salinity is the activity of the very suitable microorganism of fit, so the fertilizer that above-mentioned device can ferment the acquisition fast, and the salinity content of the fertilizer that the fermentation obtained reaches the fertilizer standard
Optionally, the oil-water separation device further comprises a conveying belt, and the conveying belt is arranged on one side of the oil-water separation crushing integrated machine. The conveyer belt is used for conveying the kitchen waste into the oil-water separation crushing integrated machine.
Optionally, the conveying device further comprises a lifting machine, and the lifting machine is arranged on one side of the conveying belt.
Optionally, the fermentation device further comprises a screw conveyor, the fermentation bin is connected with the reverse osmosis tank through the screw conveyor, and the oil-water separation crushing integrated machine is connected with the reverse osmosis tank through the screw conveyor.
Optionally, still include ultraviolet photolysis active carbon deodorization all-in-one and spray column, ultraviolet photolysis active carbon deodorization all-in-one with the gas outlet in fermentation storehouse meets, the spray column meets with the gas outlet of ultraviolet photolysis active carbon deodorization all-in-one.
Because fermentation storehouse can produce some gases that have pungent smell, the foul smell in fermentation process, so install ultraviolet photolysis active carbon deodorization all-in-one and spray column on fermentation storehouse's gas outlet, utilize ultraviolet photolysis active carbon deodorization all-in-one to photodissociation and adsorb these gases, spray column's effect is that adsorbed gas and cools down gas.
Optionally, the reverse osmosis membrane water heater further comprises a first water tank and a second water tank, wherein the first water tank and the second water tank are both arranged on one side of the reverse osmosis tank, a first containing cavity, a second containing cavity and a third containing cavity are arranged in the reverse osmosis tank body, the first containing cavity and the second containing cavity are separated by a sand bag and a reverse osmosis coarse membrane, and the second containing cavity and the third containing cavity are separated by a reverse osmosis fine membrane; the first water tank is connected with the first cavity through a pipeline and a pump, and the second water tank is connected with the second cavity through a pipeline and a pump; the first cavity is used for placing kitchen waste, and the third cavity is used for placing clear water; the first water tank is used for storing clean water, and the second water tank is used for storing brine in production.
The operating principle of the reverse osmosis tank is as follows, firstly, kitchen waste after being crushed and deoiled is poured into the first containing cavity, then clear water is injected into the first containing cavity by the pump until the pressure of the containing cavity reaches 5kg, salt in water can enter the second containing cavity through the reverse osmosis coarse membrane after passing through the sand bag along with water under the action of the pressure, the sand bag and the reverse osmosis coarse membrane play a role in filtering large particles, after salt enters the second containing cavity, because the second containing cavity also reaches 5kg through the pump, water in the second containing cavity can enter the third containing cavity through the reverse osmosis fine membrane, water in the third containing cavity flows to the first water tank, and the high-concentration salt water in the second containing cavity determines whether to be emptied and injected through observing the water discharge of the third containing cavity.
Optionally, the water tank further comprises a plurality of straight pipes, the third accommodating cavity is communicated with the first water tank through the straight pipes, and the second accommodating cavity is communicated with the second water tank through the straight pipes and a gate valve.
The two straight pipes are respectively used for directly discharging the saline water in the second accommodating cavity into the second water tank, and directly conveying the clean water in the third accommodating cavity into the first water tank.
Optionally, still include the oil drum, the oil drum sets up in broken oil-water separation all-in-one side, the oil drum is arranged in collecting the grease of discharge from broken oil-water separation all-in-one.
After being crushed in the crushing oil-water separation all-in-one machine, the kitchen waste is firstly kept stand in the crushing oil-water separation all-in-one machine for a period of time, so that grease in the kitchen waste floats on the water surface (the principle is that the grease reaches a screw conveyor after being crushed, the bottom plate of the conveyor is provided with holes, water flows to an oil-water separator through the holes for oil-water separation, and all water of the screw conveyor and a belt conveyor in production is sent to the oil-water separator for oil-water separation) and then is filtered out, and desalination by a reverse osmosis method is carried out after the grease is filtered out, so that the service life of a membrane.
Optionally, the reverse osmosis tank is a reverse osmosis tank with a conical bottom.
A fermentation process comprising the steps of,
crushing and oil removing: crushing the kitchen waste, and then carrying out oil-water separation treatment;
a desalting step: carrying out reverse osmosis desalination treatment on the crushed kitchen waste;
a fermentation step: filtering the kitchen waste, and fermenting filter residues.
Because the organic fertilizer needs to play the role of fertilizer and needs to rely on the microbial action to degrade various organic matters into inorganic salt (namely fertilizer) containing elements such as nitrogen and phosphorus, so the indexes for evaluating the quality of the organic fertilizer are mainly two: the first is the content of microorganisms (i.e., the total number of colonies), which directly determines the ability to convert organic matter into inorganic salts; secondly, the content of organic matters is present, and the index directly determines the type of inorganic salt content.
The invention has the beneficial effects that: the kitchen waste can be rapidly fermented into the organic fertilizer, and the salinity of the organic fertilizer obtained by fermentation reaches the manufacturing standard of the organic fertilizer.
Description of the drawings:
FIG. 1 is a schematic diagram of a kitchen waste desalting and fermenting device;
FIG. 2 is a schematic diagram of the desalination operation of the reverse osmosis tank.
The figures are numbered: 1. the device comprises a lifting machine, 2, a conveying belt, 3, a crushing oil-water separation all-in-one machine, 4, a pump, 5, a straight discharge pipe, 6, a screw conveyer, 701, a first water tank, 702, a second water tank, 8, a reverse osmosis tank, 801, a first containing cavity, 802, a second containing cavity, 803, a third containing cavity, 804, a sand bag and a reverse osmosis coarse film, 805, a reverse osmosis fine film, 9, a fermentation bin, 1001, kitchen waste, 1002, brine, 1003, clean water, 11, a spray tower and 12, an ultraviolet photolysis active carbon deodorization all-in-one machine.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
As shown in the attached drawing 1, the kitchen waste desalting and fermenting device comprises a fermentation bin 9 and a crushing oil-water separation all-in-one machine 3, wherein the crushing oil-water separation all-in-one machine 3 is used for crushing kitchen waste, the fermentation bin 9 is used for fermenting the kitchen waste after crushing, the crushing oil-water separation all-in-one machine 3 is arranged on one side of the fermentation bin 9, the kitchen waste desalting and fermenting device further comprises a reverse osmosis tank 8, the reverse osmosis tank 8 is arranged between the fermentation bin 9 and the crushing oil-water separation all-in-one machine 3, and the reverse osmosis tank 8 is connected with the.
This device is when handling kitchen garbage, carry out broken deoiling to kitchen garbage and handle the back, carry out desalination to kitchen garbage earlier, salt in the messenger kitchen garbage reaches fertilizer standard content, make kitchen garbage ferment under the environment of a relative low salinity like this, and the environment of low salinity is the activity of the very suitable microorganism of fit, so the fertilizer that above-mentioned device can ferment the acquisition fast, and the salinity content of the fertilizer that the fermentation obtained reaches the fertilizer standard
As shown in the attached figure 1, the oil-water separator further comprises a conveying belt 2, and the conveying belt 2 is arranged on one side of the oil-water separator crushing integrated machine 3. The conveyer belt 2 is used for conveying the kitchen waste into the oil-water separation crushing integrated machine 3.
As shown in fig. 1, the device further comprises a lifter 1, and the lifter 1 is arranged on one side of the conveying belt 2.
As shown in the attached figure 1, the device also comprises a screw conveyer 6, a fermentation bin 9 is connected with a reverse osmosis tank 8 through the screw conveyer 6, and the crushing oil-water separation all-in-one machine 3 is connected with the reverse osmosis tank 8 through the screw conveyer 6.
As shown in the attached figure 1, the ultraviolet photolysis active carbon deodorization all-in-one machine 12 and the spray tower 11 are further included, the ultraviolet photolysis active carbon deodorization all-in-one machine 12 is connected with the air outlet of the fermentation bin 9, and the spray tower 11 is connected with the air outlet of the ultraviolet photolysis active carbon deodorization all-in-one machine 12.
Because the fermentation chamber 9 can produce some gases with pungent odor, i.e. odor, in the fermentation process, the ultraviolet photolysis activated carbon deodorization all-in-one machine 12 and the spray tower 11 are installed on the gas outlet of the fermentation chamber 9, the ultraviolet photolysis activated carbon deodorization all-in-one machine 12 is used for photolysis and adsorption of the gases, and the spray tower 11 is used for adsorbing the gases and cooling the gases.
As shown in fig. 1, the reverse osmosis membrane bioreactor further comprises a first water tank 701 and a second water tank 702, wherein the first water tank 701 and the second water tank 702 are both arranged on one side of the reverse osmosis tank 8, a first containing cavity, a second containing cavity and a third containing cavity are arranged in the reverse osmosis tank 8, the first containing cavity and the second containing cavity are separated by a sand bag and a reverse osmosis coarse membrane, and the second containing cavity and the third containing cavity are separated by a reverse osmosis fine membrane; the first water tank 701 is connected with the first cavity through a pipeline and the pump 4, and the second water tank 702 is connected with the second cavity through a pipeline and the pump 4; the first cavity is used for placing kitchen waste, and the third cavity is used for placing clear water; the first tank 701 is used for storing fresh water and the second tank 702 is used for storing salt water in production.
Specifically, the reverse osmosis tank 8 has the following working principle, as shown in fig. 2, firstly crushing and deoiling kitchen waste 1001 and pouring the kitchen waste into a first cavity 801, then, the pump 4 is used for injecting clean water into the first cavity 801 until the pressure of the cavity reaches 5kg, the salinity in the water, under the action of the pressure, enters the second cavity 802 along with the water through the sand bag and the reverse osmosis coarse membrane 804 (firstly through the sand bag and then through the reverse osmosis coarse membrane), the sand bag and the reverse osmosis coarse membrane 804 play a role in filtering large particles, after the salt content enters the second chamber 802, the high concentration brine 1002 is in the second chamber 802, and since the pressure of the second chamber 802 is also up to 5kg by the pump 4, the water in the second chamber 802 will pass through the thin reverse osmosis membrane 805 and enter the third chamber 803, the clear water 1003 in the third chamber flows to the first water tank 701, and the brine 1002 with high concentration in the second chamber 802 is determined whether to be emptied by observing the water discharge of the third chamber 803.
As shown in fig. 1, the present invention further comprises a plurality of straight pipes 5, the third chamber is communicated with the first water tank 701 through the straight pipes 5, and the second chamber is communicated with the second water tank 702 through the straight pipes 5 and gate valves.
The two inline pipes 5 function to discharge the saline in the second chamber directly into the second water tank 702, and to feed the clean water in the third chamber directly into the first water tank 701, respectively.
As shown in the attached drawing 1, the oil tank is arranged on one side of the oil-water crushing and separating all-in-one machine 3, and the oil tank is used for collecting oil discharged from the oil-water crushing and separating all-in-one machine 3.
After the kitchen waste is crushed in the crushing oil-water separation all-in-one machine 3, standing for a period of time in the crushing oil-water separation all-in-one machine 3 to enable grease in the kitchen waste to float on the water surface, (the principle is that the grease reaches the screw conveyor 6 after being crushed, the water with holes in the bottom plate of the conveyor flows to the oil-water separator through the holes to be subjected to oil-water separation, and the water of the screw conveyor 6 and the belt conveyor in production is completely sent to the oil-water separator to be subjected to oil-water separation), filtering the grease, desalting by a reverse osmosis method after filtering the grease, and prolonging the service life of a membrane in the reverse osmosis tank.
As shown in fig. 1, the reverse osmosis tank 8 is a reverse osmosis tank 8 having a conical bottom.
A fermentation process comprising the steps of,
crushing and oil removing: crushing the kitchen waste, and separating oil from water;
a desalting step: carrying out reverse osmosis desalination treatment on the crushed kitchen waste;
a fermentation step: filtering the kitchen waste, and fermenting filter residues.
As shown in attached figure 1, kitchen waste is crushed and then subjected to oil removal treatment, and then subjected to reverse osmosis desalination treatment after oil removal treatment.
Because the organic fertilizer needs to play the role of fertilizer and needs to rely on the microbial action to degrade various organic matters into inorganic salt (namely fertilizer) containing elements such as nitrogen and phosphorus, so the indexes for evaluating the quality of the organic fertilizer are mainly two: the first is the content of microorganisms (i.e., the total number of colonies), which directly determines the ability to convert organic matter into inorganic salts; secondly, the content of organic matters is present, and the index directly determines the type of inorganic salt content.
In the case of the example 2, the following examples are given,
a desalination and fermentation method for kitchen waste is carried out in a device shown in an embodiment and comprises the following steps,
s1: crushing the kitchen waste, and filtering grease in the kitchen waste after crushing;
s2: carrying out reverse osmosis desalination treatment and filtration on the kitchen waste to reduce the salt content in the kitchen waste to be below 0.1% and reduce the water content in the kitchen waste to be about 10%;
s3: and (4) fermenting the desalted and filtered kitchen waste.
Comparative example 1
In the comparative example, the device provided by the patent CN107321770A is used as treatment equipment, kitchen waste is crushed and subjected to oil-water separation, then is extruded until the water content is 5%, and then is placed in a fermentation bin for fermentation.
After the reaction is finished, the total number of the colonies of the organic fertilizer obtained in the example 2 is 37000cfu/g, the total number of the colonies of the organic fertilizer obtained in the comparative example 1 is 5600cfu/g, and the method for detecting the total number of the colonies is carried out according to GB 4789.2-2016. Meanwhile, tomato seedlings in the two fertilizers are detected and tested to find that the organic fertilizer with the same amount is applied, the organic fertilizer in the embodiment 2 can promote the production of the tomato seedlings, and the organic fertilizer in the comparison example 1 burns seedlings, so that the organic fertilizer prepared in the embodiment 2 reaches the organic fertilizer standard, and the organic fertilizer prepared in the comparison example 1 does not reach the organic fertilizer standard.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, which is defined by the claims and their equivalents, and can be directly or indirectly applied to other related fields of technology.
Claims (9)
1. The utility model provides a kitchen garbage desalination deoiling fermenting installation, includes fermentation storehouse and broken water oil separating all-in-one, broken water oil separating all-in-one is used for broken kitchen garbage, the fermentation storehouse is used for the kitchen garbage after the fermentation breakage, broken water oil separating all-in-one sets up in fermentation storehouse one side, its characterized in that still includes the reverse osmosis jar, the reverse osmosis jar sets up between fermentation storehouse and broken water oil separating all-in-one, the reverse osmosis jar with fermentation storehouse and broken water oil separating all-in-one homogeneous phase are connected.
2. The kitchen waste desalination and fermentation device according to claim 1, further comprising a conveyer belt and a lifter, wherein the conveyer belt is arranged on one side of the oil-water separation crushing all-in-one machine, and the lifter is arranged on one side of the conveyer belt.
3. The kitchen waste desalination and fermentation device according to claim 2, further comprising an ultraviolet photolysis activated carbon deodorization all-in-one machine and a spray tower, wherein the ultraviolet photolysis activated carbon deodorization all-in-one machine is connected with the gas outlet of the fermentation bin, and the spray tower is connected with the gas outlet of the ultraviolet photolysis activated carbon deodorization all-in-one machine.
4. The kitchen waste desalination and fermentation device according to claim 1, further comprising a screw conveyor, wherein the fermentation bin is connected with the reverse osmosis tank through the screw conveyor, and the oil-water separation crushing integrated machine is connected with the reverse osmosis tank through the screw conveyor.
5. The kitchen waste desalination, oil removal and fermentation device according to claim 1, further comprising a first water tank and a second water tank, wherein the first water tank and the second water tank are both arranged on one side of a reverse osmosis tank, a first containing cavity, a second containing cavity and a third containing cavity are arranged in the reverse osmosis tank, the first containing cavity and the second containing cavity are separated by a sand bag and a reverse osmosis coarse membrane, and the second containing cavity and the third containing cavity are separated by a reverse osmosis fine membrane; the first water tank is connected with the first cavity through a pipeline and a pump, and the second water tank is connected with the second cavity through a pipeline and a pump; the first cavity is used for placing kitchen waste, and the third cavity is used for placing clear water; the first water tank is used for storing clean water, and the second water tank is used for storing brine in production.
6. The kitchen waste desalination, oil removal and fermentation device as claimed in claim 5, further comprising a plurality of inline pipes, wherein the third cavity is communicated with the first water tank through the inline pipes, and the second cavity is communicated with the second water tank through the inline pipes and gate valves.
7. The kitchen waste desalination and fermentation device according to claim 1, further comprising an oil drum, wherein the oil drum is arranged on one side of the oil-water separation crushing all-in-one machine, and the oil drum is used for collecting grease discharged from the oil-water separation crushing all-in-one machine.
8. The kitchen waste desalination, oil removal and fermentation device according to claim 1, wherein the reverse osmosis tank is a reverse osmosis tank with a conical bottom.
9. A fermentation process adapted for use in an apparatus according to any one of claims 1 to 8, comprising the steps of,
crushing and oil removing: crushing the kitchen waste and separating oil from water;
a desalting step: carrying out reverse osmosis desalination treatment on the crushed kitchen waste;
a fermentation step: filtering the kitchen waste, and fermenting filter residues.
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| CN202011231154.3A CN112321337A (en) | 2020-11-06 | 2020-11-06 | Kitchen waste desalting and fermenting device and method |
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| CN202011231154.3A CN112321337A (en) | 2020-11-06 | 2020-11-06 | Kitchen waste desalting and fermenting device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113754101A (en) * | 2021-09-22 | 2021-12-07 | 宁波济盛环保科技有限公司 | Domestic sewage treatment device and method |
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