CN114772827A - Device for preparing hydroponic organic nutrient concentrated solution from spiral kitchen waste squeezed liquid - Google Patents
Device for preparing hydroponic organic nutrient concentrated solution from spiral kitchen waste squeezed liquid Download PDFInfo
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- CN114772827A CN114772827A CN202210411779.0A CN202210411779A CN114772827A CN 114772827 A CN114772827 A CN 114772827A CN 202210411779 A CN202210411779 A CN 202210411779A CN 114772827 A CN114772827 A CN 114772827A
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- 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
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- 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
- C02F3/28—Anaerobic digestion processes
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
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- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- 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
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
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- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
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- 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
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
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- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- 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
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- 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
- C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
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- Biodiversity & Conservation Biology (AREA)
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- Pest Control & Pesticides (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention is suitable for the technical field of environmental protection equipment, and provides a device for preparing hydroponic organic nutrient concentrated solution from spiral squeezing liquid of kitchen waste, which comprises a squeezing liquid storage tank and also comprises: the system comprises a low-temperature pressurized hydrolysis mechanism, a multistage chemical coagulation tank, a flocculation tank inclined plate precipitator, a floating filter material filtering tank, a precise filtering tank, a centrifugal separator, a reverse osmosis membrane concentrator, a triple-effect vacuum evaporation concentration unit and an automatic metering and filling machine. According to the device for preparing the water culture organic nutrient concentrated solution from the spiral kitchen waste pressing solution, the pressing solution is subjected to multistage chemical coagulation flocculation precipitation, secondary filtration, membrane concentration and triple-effect vacuum evaporation concentration, the concentrated solution is used as the water culture organic nutrient solution and is matched with the water culture chemical fertilizer nutrient solution to produce green agricultural products, secondary pollution is not generated in the treatment process, odor pollution is avoided, the treatment time is 8 hours, the occupied area is small, the manufacturing cost is low, the recycling degree is high, sewage is not generated, and the concentrated water can be recycled.
Description
Technical Field
The invention belongs to the technical field of environment-friendly equipment, and particularly relates to a device for preparing hydroponic organic nutrient concentrated solution from kitchen waste spiral squeezing solution.
Background
For kitchen waste, the traditional treatment method is that impurities are sorted out, then a screw squeezer is used for squeezing, solid-liquid separation is carried out, squeezed dry residues are sent to a waste incineration plant for incineration treatment, squeezed liquid is subjected to anaerobic fermentation for 20-30 days for a long time, generated biogas is purified and then is combusted through a gas turbine for power generation, generated biogas slurry is treated by a biochemical method for treating high-concentration organic waste and is discharged after reaching the standard, but the standard is difficult to reach, generated biochemical sludge is separately treated and needs to be incinerated in the incineration plant, and generated biogas residues are also sent to the waste incineration plant for incineration treatment.
The method belongs to the field of reduction and harmless treatment, the biogas is generated for power generation, but the purification cost is higher than the return benefit of the power generation, the generated biochemical sludge and biogas residue are incinerated for power generation, the investment cost is very high, the benefit is very little or no benefit is obtained
The biogas slurry is biochemically treated according to high-concentration organic sewage, the process is complex, the standard discharge is difficult, the input cost is high, and the greater problem is that the treatment process generates secondary pollution, especially stink pollution; if deodorization is carried out, the cost is very large because the investment is increased.
If the squeezed liquid adopts a recycling treatment method and a chemical method, secondary pollution, particularly odor pollution, wastewater discharge and greenhouse gas discharge are avoided, and the high-added-value hydroponic organic nutrient concentrated solution can be produced and supplied for hydroponic cultivation to produce green agricultural products. At present, modern facilities can be used for producing vegetables and fruits in a greenhouse by adopting a water culture method, and the development is very rapid; however, the water culture nutrient solution is prepared by chemical fertilizers, and no small molecular organic nutrient solution exists, so that green agricultural products cannot be produced; if the spiral pressing liquid of the kitchen waste is used for preparing the micromolecular organic nutrient solution by a chemical method, green agricultural products with high added value can be produced by combining the spiral pressing liquid of the kitchen waste with the nutrient solution of the chemical fertilizer, three wastes are not discharged in the production process, and a small amount of generated chemical sludge can be used for producing the organic fertilizer.
Therefore, in view of the above current situation, there is an urgent need to develop a device for preparing hydroponic organic nutrient concentrated solution from spiral pressing liquid of kitchen waste, so as to overcome the defects in the current practical application.
Disclosure of Invention
Aiming at the defects in the prior art, the embodiment of the invention aims to provide a device for preparing a hydroponic organic nutrient concentrated solution from a kitchen waste spiral squeezing solution, so as to solve the problems of secondary pollution, poor economy and the like caused by the fact that the squeezing solution generated in the solid-liquid separation by using a spiral squeezing machine in the traditional treatment method for kitchen waste provided by the background art is subjected to long-time anaerobic fermentation to generate 'three methane'; the water planting method for planting vegetables and fruits in modern agriculture only uses fertilizer nutrient solution, does not use small molecular organic nutrient solution, and cannot produce green agricultural products.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a device that organic nutrition concentrate was banked up with earth to kitchen garbage spiral squeezing liquid water, is including squeezing the liquid storage pot, it squeezes liquid feed inlet and discharge gate to be provided with on the liquid storage pot to squeeze, still includes:
the low-temperature pressurized hydrolysis mechanism is respectively communicated with the squeezed liquid storage tank and the catalyst tank and is used for heating and chemically decomposing the squeezed liquid and the catalyst;
the multistage chemical coagulation tank is respectively communicated with a coagulant feeding tank and a low-temperature pressurizing hydrolysis mechanism and is used for carrying out chemical reaction on a pressing liquid and a coagulant;
the flocculation tank is respectively communicated with the multistage chemical coagulation tank and the flocculant dosing tank and is used for carrying out chemical reaction on the squeezed liquid and the flocculant;
the inclined plate precipitator is respectively communicated with the flocculation tank and the sludge precipitation tank and is used for precipitating impurities after reaction in the pressing liquid;
the filter tank is communicated with the inclined plate precipitator and the filter residue tank respectively, the filter residue tank is communicated with the sludge-settling and filter residue mixing tank, the sludge-settling and filter residue mixing tank is communicated with the sludge precipitation tank, and the filter tank is used for filtering liquid in the inclined plate precipitator;
the precise filter tank is respectively communicated with the floating filter material filter tank, the slag filtering tank and the filtrate storage tank and is used for filtering liquid in the floating filter material filter tank;
the centrifugal separator is respectively communicated with the sludge and residue settling and mixing tank, the residue separating tank and the liquid separating tank, and is used for centrifugally separating filter residues and filtrate in the sludge and residue settling and mixing tank;
the reverse osmosis membrane concentrator is respectively communicated with the filtrate storage tank, the permeate storage tank and the membrane concentrate storage tank, and the permeate storage tank is communicated with the reuse water recovery tank;
the system comprises a triple-effect vacuum evaporation concentration unit, a membrane concentrated solution storage tank, a condensation water tank and an organic nutrient concentrated solution storage tank, wherein the triple-effect vacuum evaporation concentration unit is respectively communicated with the membrane concentrated solution storage tank, the condensation water tank is also communicated with a reuse water recovery tank, and the triple-effect vacuum evaporation concentration unit is used for carrying out evaporation concentration on a membrane concentrated solution;
automatic measurement liquid filling machine, automatic measurement liquid filling machine is linked together with organic nutrient concentrate storage tank and pail pack respectively, automatic measurement liquid filling machine is used for measuring and the filling organic nutrient concentrate.
As a further technical scheme, the low-temperature pressurizing hydrolysis mechanism comprises a low-temperature pressurizing hydrolysis tank, an air pressurizer and a steam heater, wherein a first material inlet, a second material inlet and a first discharge outlet are formed in the low-temperature pressurizing hydrolysis tank, the outlets of the air pressurizer and the steam heater are respectively communicated with the low-temperature pressurizing hydrolysis tank, the first material inlet is connected with a discharge port of a squeezing liquid storage tank, the second material inlet is connected with an outlet of a catalyst tank, and the first discharge outlet is communicated with an inlet of a multistage chemical coagulation tank.
As a further technical scheme of the invention, the flocculation tank is provided with an outlet and two inlets, the two inlets are respectively communicated with the multistage chemical coagulation tank and the flocculant dosing tank, the outlet is communicated with an inlet arranged on the inclined plate precipitator, the inclined plate precipitator is also provided with two outlets, and the two outlets are respectively communicated with the sludge precipitation tank and an inlet arranged on the floating filter material filtering tank.
As a further technical scheme of the invention, the multistage chemical coagulation tank is set to be two-stage to four-stage.
As a further technical scheme of the invention, the floating filter material filter tank is provided with two outlets which are respectively communicated with the inlet of the filter residue groove and the inlet of the precise filter tank, and the precise filter tank is also provided with two outlets which are respectively communicated with the filter residue groove and the filtrate storage tank.
As a further technical scheme of the invention, an outlet of the filtrate storage tank is connected with an inlet of a reverse osmosis membrane concentrator, an outlet of the reverse osmosis membrane concentrator is respectively connected with inlets of a permeate water storage tank and a membrane concentrate storage tank, and an outlet of the permeate water storage tank is communicated with an inlet of a reuse water recovery tank.
As a further technical scheme of the invention, an inlet of the centrifugal separator is connected with an outlet of the sludge and residue settling mixing tank, an outlet of the centrifugal separator is respectively connected with inlets of the residue separating tank and the liquid separating tank, and an outlet of the liquid separating tank is connected with an inlet of the squeezing liquid storage tank.
As a further technical scheme of the invention, an inlet of the triple-effect vacuum evaporation concentration unit is connected with a membrane concentrated solution storage tank, an outlet of the triple-effect vacuum evaporation concentration unit is respectively connected with a condensed water tank and an inlet of an organic nutrient concentrated solution storage tank, and an outlet of the organic nutrient concentrated solution storage tank is connected with an inlet of an automatic metering filling machine.
Compared with the prior art, the invention has the beneficial effects that:
the squeezed liquid is subjected to multi-stage chemical coagulation flocculation precipitation, two-stage filtration, membrane concentration and triple-effect vacuum evaporation concentration, and the concentrated liquid is used as a hydroponic organic nutrient solution in a modern agricultural hydroponics mode and is matched with a hydroponic chemical fertilizer nutrient solution to produce green agricultural products; the problems of complex spiral squeezing liquid anaerobic fermentation process device, long fermentation time, large occupied area, large investment, secondary pollution, particularly odor pollution and poor economy are solved; the device does not produce secondary pollution and odor pollution in the treatment process, the treatment time is 8 hours, the occupied area is small, the manufacturing cost is low, the resource degree is high, sewage is not produced, the concentrated water can be recycled, the water culture organic nutrient concentrated solution with high added value is produced, and the water and fertilizer integrated organic and inorganic matched green water culture nutrient solution can be realized and used for producing green agricultural products; the complete set of device is also suitable for preparing the concentrated solution of the hydroponic organic nutrient solution from the biogas slurry generated by anaerobic fermentation of the kitchen waste spiral pressing solution, and belongs to high-added-value recycling treatment.
In order to more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a working flow chart of the device for preparing the hydroponic organic nutrient concentrated solution from the spiral kitchen waste pressing solution.
Reference numerals: 1-a pressed liquid storage tank, 2-a low-temperature pressurized hydrolysis mechanism, 201-a low-temperature pressurized hydrolysis tank, 202-an air pressurizer, 203-a steam heater, 3-a catalyst tank, 4-a multistage chemical coagulation tank, 5-a coagulant dosing tank, 6-a flocculation tank, 7-a flocculant dosing tank, 8-an inclined plate precipitator, 9-a sludge precipitation tank, 10-a floating filter material filtering tank, 11-a filter residue tank, 12-a sediment filter residue mixing tank, 13-a precise filtering tank, 14-a filtrate storage tank, 15-a centrifugal separator, 16-a separation residue tank, 17-a separation liquid tank, 18-a reverse osmosis membrane concentrator, 19-a permeate storage tank, 20-a membrane concentrate storage tank, 21-a reuse water recycling tank, 22-a three-effect vacuum evaporation concentration unit, 23-a condensation water tank, 24-an organic nutrient concentrate storage tank, 25-an automatic metering and filling machine, and 26-a packaging barrel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, the device for preparing a hydroponic organic nutrient concentrated solution from a kitchen waste spiral pressing solution provided as an embodiment of the present invention includes a pressing solution storage tank 1, wherein the pressing solution storage tank 1 is provided with a pressing solution inlet and a pressing solution outlet, and further includes:
the low-temperature pressurized hydrolysis mechanism 2 is respectively communicated with the squeezed liquid storage tank 1 and the catalyst tank 3, and the low-temperature pressurized hydrolysis mechanism 2 is used for heating and chemically decomposing squeezed liquid and a catalyst;
the multistage chemical coagulation tank 4 is respectively communicated with a coagulant feeding tank 5 and the low-temperature pressurizing hydrolysis mechanism 2, and the multistage chemical coagulation tank 4 is used for carrying out chemical reaction on a squeezed liquid and a coagulant;
the flocculation tank 6 is respectively communicated with the multistage chemical coagulation tank 4 and the flocculating agent dosing tank 7, and the flocculation tank 6 is used for carrying out chemical reaction on the squeezed liquid and the flocculating agent;
the inclined plate precipitator 8 is communicated with the flocculation tank 6 and the sludge precipitation tank 9 respectively, and the inclined plate precipitator 8 is used for precipitating impurities after reaction in the squeezed liquid;
the filter device comprises a floating filter material filter tank 10, wherein the floating filter material filter tank 10 is respectively communicated with an inclined plate precipitator 8 and a filter residue tank 11, the filter residue tank 11 is communicated with a sludge and filter residue mixing tank 12, the sludge and filter residue mixing tank 12 is communicated with a sludge precipitation tank 9, and the floating filter material filter tank 10 is used for filtering liquid in the inclined plate precipitator 8;
the precise filter tank 13 is communicated with the floating filter material filter tank 10, the filter residue tank 11 and the filtrate storage tank 14 respectively, and the precise filter tank 13 is used for filtering liquid in the floating filter material filter tank 10;
the centrifugal separator 15 is respectively communicated with the sludge and residue settling mixing tank 12, the residue separating tank 16 and the liquid separating tank 17, and the centrifugal separator 15 is used for centrifugally separating filter residues and filtrate in the sludge and residue settling mixing tank 12;
a reverse osmosis membrane concentrator 18, wherein the reverse osmosis membrane concentrator 18 is respectively communicated with the filtrate storage tank 14, the permeate storage tank 19 and the membrane concentrate storage tank 20, and the permeate storage tank 19 is communicated with the reuse water recovery tank 21;
the system comprises a triple-effect vacuum evaporation concentration unit 22, wherein the triple-effect vacuum evaporation concentration unit 22 is respectively communicated with a membrane concentrated solution storage tank 20, a condensation water tank 23 and an organic nutrient concentrated solution storage tank 24, the condensation water tank 23 is also communicated with a reuse water recovery tank 21, and the triple-effect vacuum evaporation concentration unit 22 is used for carrying out evaporation concentration on membrane concentrated solution;
automatic measurement liquid filling machine 25, automatic measurement liquid filling machine 25 is linked together with organic nutrient concentrate storage tank 24 and pail pack 26 respectively, automatic measurement liquid filling machine 25 is used for measuring and the filling organic nutrient concentrate.
In this embodiment, will squeeze the liquid and pass through multistage chemical coagulation flocculation and precipitation, secondary filter, membrane concentration and triple effect vacuum evaporation concentration, the concentrated solution is as the organic nutrient solution of water planting of modern agriculture water planting mode, and cooperates with water planting fertilizer nutrient solution to produce green agricultural product, and this device does not produce secondary pollution in the processing procedure, does not have the foul pollution, and the processing time is 8 hours, and area is little, and the cost is low, and the resource degree is high, does not produce sewage, and concentrated water recycle.
As shown in fig. 1, as a preferred embodiment of the present invention, the low-temperature pressurized hydrolysis mechanism 2 includes a low-temperature pressurized hydrolysis tank 201, an air pressurizer 202 and a steam heater 203, the low-temperature pressurized hydrolysis tank 201 is provided with a first material inlet, a second material inlet and a first material discharge outlet, the outlets of the air pressurizer 202 and the steam heater 203 are respectively communicated with the low-temperature pressurized hydrolysis tank 201, the first material inlet is connected with the discharge port of the pressed liquid storage tank 1, the second material inlet is connected with the outlet of the catalyst tank 3, and the first material discharge outlet is communicated with the inlet of the multistage chemical coagulation tank 4.
In this embodiment, the steam heater 203 may be a resistive steam heater or an electromagnetic steam heater.
As shown in fig. 1, as a preferred embodiment of the present invention, the flocculation tank 6 is provided with an outlet and two inlets, the two inlets are respectively communicated with the multistage chemical coagulation tank 4 and the flocculant dosing tank 7, the outlet is communicated with an inlet arranged on the inclined plate precipitator 8, the inclined plate precipitator 8 is further provided with two outlets, and the two outlets are respectively communicated with an inlet arranged on the sludge precipitation tank 9 and an inlet arranged on the floating filter material filtration tank 10.
As shown in fig. 1, as a preferred embodiment of the present invention, the multistage chemical coagulation tank 4 is provided in two stages to four stages.
As shown in FIG. 1, as a preferred embodiment of the present invention, the floating filter material filtering tank 10 is provided with two outlets, which are respectively communicated with the inlet of the slag tank 11 and the inlet of the fine filtering tank 13, and the fine filtering tank 13 is also provided with two outlets, which are respectively communicated with the slag tank 11 and the filtrate storage tank 14.
As shown in FIG. 1, as a preferred embodiment of the present invention, the outlet of the filtrate tank 14 is connected to the inlet of a reverse osmosis membrane concentrator 15, the outlet of the reverse osmosis membrane concentrator 15 is connected to the inlets of a permeate tank 19 and a membrane concentrate tank 20, respectively, and the outlet of the permeate tank 19 is connected to the inlet of a reuse water recovering tank 21.
As shown in fig. 1, as a preferred embodiment of the present invention, an inlet of the centrifugal separator 15 is connected to an outlet of the sludge and residue mixing tank 12, an outlet of the centrifugal separator 15 is respectively connected to inlets of a residue separating tank 16 and a liquid separating tank 17, and an outlet of the liquid separating tank 17 is connected to an inlet of the pressing liquid storage tank 1.
As shown in fig. 1, as a preferred embodiment of the present invention, an inlet of the triple-effect vacuum evaporation concentration unit 22 is connected to the membrane concentrate storage tank 20, an outlet of the triple-effect vacuum evaporation concentration unit 22 is connected to an inlet of the condensate tank 23 and an inlet of the organic nutrient concentrate storage tank 24, respectively, and an outlet of the organic nutrient concentrate storage tank 24 is connected to an inlet of the automatic metering and filling machine 25.
As shown in figure 1, as a preferred embodiment of the invention, the complete equipment is also suitable for preparing a hydroponic organic nutrient concentrated solution from the kitchen waste spiral pressing solution and biogas slurry generated through anaerobic fermentation.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (8)
1. The utility model provides a kitchen garbage spiral squeezes device that liquid water banked up organic nutrition concentrate, is including squeezing the liquid storage pot, it squeezes liquid feed inlet and discharge gate to be provided with on the liquid storage pot to squeeze, its characterized in that still includes:
the low-temperature pressurized hydrolysis mechanism is respectively communicated with the squeezing liquid storage tank and the catalyst tank and is used for heating and chemically decomposing the squeezing liquid and the catalyst;
the multistage chemical coagulation tank is respectively communicated with a coagulant feeding groove and the low-temperature pressurizing hydrolysis mechanism and is used for carrying out chemical reaction on the squeezed liquid and the coagulant;
the flocculation tank is respectively communicated with the multistage chemical coagulation tank and the flocculant dosing tank and is used for carrying out chemical reaction on the squeezed liquid and the flocculant;
the inclined plate precipitator is respectively communicated with the flocculation tank and the sludge precipitation tank and is used for precipitating impurities after reaction in the pressing liquid;
the filter tank is communicated with the inclined plate precipitator and the filter residue tank respectively, the filter residue tank is communicated with the sludge and filter residue mixing tank, the sludge and filter residue mixing tank is communicated with the sludge precipitation tank, and the filter tank is used for filtering liquid in the inclined plate precipitator;
the precise filter tank is respectively communicated with the floating filter material filter tank, the slag filtering tank and the filtrate storage tank and is used for filtering liquid in the floating filter material filter tank;
the centrifugal separator is respectively communicated with the sludge and residue settling mixing tank, the residue separating tank and the liquid separating tank, and is used for centrifugally separating filter residues and filtrate in the sludge and residue settling mixing tank;
the reverse osmosis membrane concentrator is respectively communicated with the filtrate storage tank, the permeate storage tank and the membrane concentrate storage tank, and the permeate storage tank is communicated with the reuse water recovery tank;
the system comprises a triple-effect vacuum evaporation concentration unit, a membrane concentrated solution storage tank, a condensation water tank and an organic nutrient concentrated solution storage tank, wherein the triple-effect vacuum evaporation concentration unit is respectively communicated with the membrane concentrated solution storage tank, the condensation water tank is also communicated with a reuse water recovery tank, and the triple-effect vacuum evaporation concentration unit is used for carrying out evaporation concentration on a membrane concentrated solution;
automatic measurement liquid filling machine, automatic measurement liquid filling machine is linked together with organic nutrient concentrate storage tank and pail pack respectively, automatic measurement liquid filling machine is used for measuring and the filling organic nutrient concentrate.
2. The device for preparing the organic nutrient concentrated solution from the kitchen waste spiral squeezing liquid according to claim 1, wherein the low-temperature pressurizing hydrolysis mechanism comprises a low-temperature pressurizing hydrolysis tank, an air pressurizer and a steam heater, the low-temperature pressurizing hydrolysis tank is provided with a first material inlet, a second material inlet and a first discharge outlet, the outlets of the air pressurizer and the steam heater are respectively communicated with the low-temperature pressurizing hydrolysis tank, the first material inlet is connected with a discharge port of a squeezing liquid storage tank, the second material inlet is connected with an outlet of a catalyst tank, and the first discharge outlet is communicated with an inlet of a multistage chemical coagulation tank.
3. The device for preparing hydroponic organic nutrient concentrated solution by using the spiral squeezing liquid of the kitchen waste as claimed in claim 1, wherein the flocculation tank is provided with an outlet and two inlets, the two inlets are respectively communicated with the multistage chemical coagulation tank and the flocculant dosing tank, the outlet is communicated with the inlet arranged on the inclined plate precipitator, the inclined plate precipitator is further provided with two outlets, and the two outlets are respectively communicated with the sludge precipitation tank and the inlet arranged on the floating filter material filtering tank.
4. The device for producing hydroponic organic nutrient concentrated solution by using the kitchen waste spiral squeezing liquid as claimed in claim 1, wherein the multistage chemical coagulation tank is set to be two-stage to four-stage.
5. The device for preparing the organic nutrient concentrated solution from the kitchen waste spiral pressing liquid as claimed in claim 3, wherein the floating filter material filtering tank is provided with two outlets which are respectively communicated with the inlet of the filter residue groove and the inlet of the precise filtering tank, and the precise filtering tank is also provided with two outlets which are respectively communicated with the filter residue groove and the filtrate storage tank.
6. The device for preparing the organic nutrient concentrated solution from the kitchen waste spiral pressing liquid according to claim 5, wherein an outlet of the filtrate storage tank is connected with an inlet of a reverse osmosis membrane concentrator, an outlet of the reverse osmosis membrane concentrator is respectively connected with an inlet of a permeate storage tank and an inlet of a membrane concentrated solution storage tank, and an outlet of the permeate storage tank is communicated with an inlet of a reuse water recovery tank.
7. The device for preparing the organic nutrient concentrated solution from the kitchen waste spiral pressing liquid according to claim 1, wherein an inlet of the centrifugal separator is connected with an outlet of the sludge and residue settling mixing tank, an outlet of the centrifugal separator is respectively connected with inlets of the residue separating tank and the liquid separating tank, and an outlet of the liquid separating tank is connected with an inlet of the pressing liquid storage tank.
8. The device for preparing the organic nutrient concentrated solution from the kitchen waste spiral pressing solution according to claim 1, wherein an inlet of the triple-effect vacuum evaporation concentration unit is connected with a membrane concentrated solution storage tank, an outlet of the triple-effect vacuum evaporation concentration unit is respectively connected with an inlet of a condensed water tank and an inlet of an organic nutrient concentrated solution storage tank, and an outlet of the organic nutrient concentrated solution storage tank is connected with an inlet of an automatic metering and filling machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210411779.0A CN114772827A (en) | 2022-04-19 | 2022-04-19 | Device for preparing hydroponic organic nutrient concentrated solution from spiral kitchen waste squeezed liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210411779.0A CN114772827A (en) | 2022-04-19 | 2022-04-19 | Device for preparing hydroponic organic nutrient concentrated solution from spiral kitchen waste squeezed liquid |
Publications (1)
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101863688A (en) * | 2009-04-16 | 2010-10-20 | 宋荟 | Method for preparing water soluble quick-acting organic fertilizer from activated sludge |
| CN109081758A (en) * | 2018-09-30 | 2018-12-25 | 上海集熠节能环保技术有限公司 | The production method and energy fertilizer finished product of kitchen garbage production small molecule organic energy fertilizer |
| CN109704503A (en) * | 2019-02-25 | 2019-05-03 | 南京灿友嘉环境科技有限公司 | With high salt, the high viscosity anaerobic fermented liquid recycling treatment system of one kind and method |
| CN111056882A (en) * | 2020-01-17 | 2020-04-24 | 刘文治 | Complete device for preparing water-soluble liquid fertilizer by household classification kitchen garbage |
| CN111187708A (en) * | 2019-02-21 | 2020-05-22 | 苗江 | Kitchen waste and sludge combined anaerobic fermentation biogas preparation comprehensive utilization system |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101863688A (en) * | 2009-04-16 | 2010-10-20 | 宋荟 | Method for preparing water soluble quick-acting organic fertilizer from activated sludge |
| CN109081758A (en) * | 2018-09-30 | 2018-12-25 | 上海集熠节能环保技术有限公司 | The production method and energy fertilizer finished product of kitchen garbage production small molecule organic energy fertilizer |
| CN111187708A (en) * | 2019-02-21 | 2020-05-22 | 苗江 | Kitchen waste and sludge combined anaerobic fermentation biogas preparation comprehensive utilization system |
| CN109704503A (en) * | 2019-02-25 | 2019-05-03 | 南京灿友嘉环境科技有限公司 | With high salt, the high viscosity anaerobic fermented liquid recycling treatment system of one kind and method |
| CN111056882A (en) * | 2020-01-17 | 2020-04-24 | 刘文治 | Complete device for preparing water-soluble liquid fertilizer by household classification kitchen garbage |
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