CN216472496U - High-speed active fertilizer preparation technology aqueous solution resourceful treatment system - Google Patents
High-speed active fertilizer preparation technology aqueous solution resourceful treatment system Download PDFInfo
- Publication number
- CN216472496U CN216472496U CN202120268405.9U CN202120268405U CN216472496U CN 216472496 U CN216472496 U CN 216472496U CN 202120268405 U CN202120268405 U CN 202120268405U CN 216472496 U CN216472496 U CN 216472496U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- water
- reverse osmosis
- filter
- osmosis membrane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a high-speed active fertilizer-making process water solution recycling treatment system, which comprises a precipitation unit, a solid-liquid separation unit, a filtration unit and a membrane concentration unit, wherein the precipitation unit is used for precipitating and separating solid and liquid; solid matters obtained by separation of the precipitation unit and the filtration unit are separated by the solid-liquid separation unit, the obtained solid matters are used as solid carbon fertilizer, and the obtained liquid returns to the precipitation unit; the concentrated solution obtained by the membrane concentration unit is used as a water-soluble organic foliar fertilizer mother solution and an organic water flush fertilizer mother solution, and the obtained permeate liquid returns to a feed inlet at the front end of the HiSAP device for water distribution, so that high-value resource utilization of the high-speed active fertilizer preparation process water solution is realized, water resources are saved, and the zero emission target is achieved.
Description
Technical Field
The invention relates to the technical field of waste treatment, in particular to a high-speed active fertilizer preparation process water solution recycling treatment system.
Background
High-Rate Stabilization and Activation Processes, also called High-speed active fertilizer preparation methods, perform active oxygen generation and rapid oxidation reactions on organic solid wastes by using water or oxygen in the air in a High-temperature High-pressure reaction kettle, and convert various organic wastes into organic fertilizers within about two hours. The process can realize the zero emission target of common solid waste treatment, fulfill three purposes of solid waste treatment, and realize reduction, harmlessness and complete recycling.
The aqueous solution generated in the dehydration treatment process of the HiSAP technology contains a large amount of humic acid and nutrient substances required by crops, can be prepared into a humic acid water-soluble fertilizer and a leaf fertilizer, and has extremely high utilization value, but the existing HiSAP technology only performs simple solid-liquid separation during discharging, separates out a small amount of available solid substances to be used as an organic carbon fertilizer, and can not recycle most of soluble organic active substances, so the reason is that the main components of organic matters contained in each batch of aqueous solution after the HiSAP technology treatment are different, the content of the organic matters is low, and the balanced utilization is difficult. In addition, the existing HiSAP technology requires a large amount of fresh water as a reaction liquid ingredient when preparing the slurry during front-end feeding, and consumes a large amount of water resources.
Disclosure of Invention
The invention provides a high-speed active fertilizer preparation process aqueous solution recycling system, which can realize high-value recycling of high-concentration high-speed active fertilizer preparation process aqueous solution, and can be used as the pulping water fed before the HiSAP technology, so that the water utilization internal circulation balance of the HiSAP technology is realized, the zero discharge target is really reached, and the fresh water consumption is reduced.
The technical scheme adopted by the invention is as follows:
a high-speed active fertilizer-making process water solution recycling treatment system comprises a precipitation unit, a solid-liquid separation unit, a filtration unit and a membrane concentration unit;
the sedimentation unit comprises a sedimentation tank, an intermediate water tank, a mud scraping and sucking machine, a mud sucking pump and a booster water pump, wherein the sedimentation tank is used for sedimentation and separation of the high-speed active fertilizer preparation process water solution; the sludge scraping and sucking machine is arranged above the sedimentation tank and is used for collecting floaters on the surface of the sedimentation tank and sediments at the bottom of the sedimentation tank; the suction dredge pump is arranged at the bottom of the sedimentation tank and connected with the sludge scraping and sucking machine for conveying solid matters collected by the sludge scraping and sucking machine to the solid-liquid separation unit; the inlet of the intermediate water tank is connected with the water outlet of the sedimentation tank through a pipeline, the outlet of the intermediate water tank is connected with the inlet of a booster water pump through a pipeline, and the booster water pump is used for conveying the water solution in the sedimentation tank to the filtering unit;
the filter unit comprises a filter screen type high-efficiency filter and a bag type filter, the inlet of the filter screen type high-efficiency filter is connected with the outlet of the booster water pump through a pipeline, the water outlet of the filter screen type high-efficiency filter is connected with the water inlet of the bag type filter through a pipeline, and the water outlet of the bag type filter is connected with the membrane concentration unit through a pipeline;
the solid-liquid separation unit comprises a solid-liquid separator, an inlet of the solid-liquid separator is connected with an outlet of the dredge pump through a pipeline, and a filtrate outlet of the solid-liquid separator is connected with an inlet of the sedimentation tank through a pipeline;
the concentrated unit of membrane includes milipore filter equipment, reverse osmosis membrane filter equipment, organic fertilization mother liquor storage tank, organic leaf fertilizer mother liquor storage tank and HiSAP water distribution jar, milipore filter equipment's stoste import is passed through the pipeline and is connected with the bag filter delivery port, milipore filter equipment's the stock solution access connection that passes through liquid export and pipeline and reverse osmosis membrane filter equipment, reverse osmosis membrane filter equipment's the liquid export that passes through is passed through the pipeline and is connected with HiSAP water distribution jar, milipore filter equipment's concentrate export is passed through the pipeline and is connected with organic fertilization mother liquor storage tank, reverse osmosis membrane filter equipment's concentrate export is passed through the pipeline and is connected with organic leaf fertilizer mother liquor storage tank.
Furthermore, the filter unit also comprises a backwashing water tank and a backwashing pump, the outlet of the backwashing water tank is connected with the inlet of the backwashing pump through a pipeline, the outlet of the backwashing pump is connected with the outlet of the filter screen type high-efficiency filter through a pipeline, the inlet of the filter screen type high-efficiency filter is connected with the inlet of the booster pump and the inlet of the solid-liquid separator through pipelines, and the inlet pipeline and the outlet pipeline of the filter screen type high-efficiency filter are provided with switching valves.
Furthermore, the filtering precision of the filter screen type high-efficiency filter is 50-100 microns.
Furthermore, the filtering precision of the bag filter is 10-20 microns.
Furthermore, the membrane aperture of the ultrafiltration membrane filtering device is 0.03-0.05 micron.
Furthermore, the membrane aperture of the reverse osmosis membrane filtering device is 0.1-0.7 nanometer, and the filtering pressure is 2.5-3.5 MPa.
Furthermore, the membrane aperture of the reverse osmosis membrane filtering device is 0.1-0.7 nanometer, and the filtering pressure is 7.5-9.0 MPa.
Furthermore, the reverse osmosis membrane filtration device is formed by connecting two stages of reverse osmosis membrane filtration devices in series, a stock solution inlet of the first stage reverse osmosis membrane filtration device is connected with a permeate outlet of the ultrafiltration membrane filtration device through a pipeline, a permeate outlet of the first stage reverse osmosis membrane filtration device is connected with a stock solution inlet of the second stage reverse osmosis membrane filtration device through a pipeline, a permeate outlet of the second stage reverse osmosis membrane filtration device is connected with a HiSAP water distribution tank through a pipeline, and a concentrate outlet of the first stage reverse osmosis membrane filtration device is connected with an organic foliar fertilizer mother solution storage tank after being converged with a concentrate outlet of the second stage reverse osmosis membrane filtration device through a pipeline; the membrane aperture of the first-stage reverse osmosis membrane and the second-stage reverse osmosis membrane is 0.1-0.7 nm, and the filtering pressure is 2.5-3.5 MPa.
The invention has the beneficial effects that:
1. the organic matter content of the aqueous solution treated by the technology of high-speed active fertilizer preparation method can be concentrated to 5-10 times by a pretreatment and membrane separation mode, the concentrated solution can be used as organic fertilization mother liquor and water-soluble organic foliar fertilizer mother liquor respectively, and permeate liquid returns to a feed inlet at the front end of a HiSAP device for water distribution; the technical problems that the concentration of organic matters in the aqueous solution is low after the prior high-speed active fertilizer preparation method technology is used for processing, the remote transportation is difficult, the resource utilization is difficult, and a large amount of water resources are consumed because fresh water is needed to be used as a reaction liquid ingredient during the feeding and pulp preparation of the prior high-speed active fertilizer preparation method technology are solved.
2. The solid carbon fertilizer, the organic flush fertilizer containing the solid carbon fertilizer and the high-end water-soluble organic foliar fertilizer are obtained by the method, and various high-added-value fertilizers are obtained after separation and concentration, so that the transportation is easy, and the transportation cost is reduced; finally, the diluted solution is directly reused for pulping and liquid preparation, so that the resource utilization is realized, the secondary pollution is not generated, and the zero emission is realized.
Drawings
Fig. 1 is a schematic structural diagram of a high-speed active fertilizer production process water solution recycling treatment system.
Detailed Description
In order to better understand the present invention, the following examples are further provided to illustrate the present invention, but the present invention is not limited to the following examples.
Example 1
Referring to fig. 1, the embodiment provides a high-speed active fertilizer-making process water solution recycling system, which includes a precipitation unit, a solid-liquid separation unit, a filtration unit and a membrane concentration unit;
the sedimentation unit comprises a high-speed active fertilizer preparation process water solution storage pool 11, a sedimentation pool 12, a sludge scraping and sucking machine 13, a sludge sucking pump 14, an intermediate water pool 15 and a booster water pump 16, wherein an inlet of the sedimentation pool 12 is connected with an outlet of the high-speed active fertilizer preparation process water solution storage pool 11 through a pipeline and is used for sedimentation separation of the high-speed active fertilizer preparation process water solution; the mud scraping and sucking machine 13 is arranged above the sedimentation tank 12 and is used for collecting floaters on the surface of the sedimentation tank and sediments at the bottom of the sedimentation tank; the suction dredge pump 14 is arranged at the bottom of the sedimentation tank and connected with a dredge bucket of the mud scraping and sucking machine 13 and used for conveying solid matters collected by the mud scraping and sucking machine to the solid-liquid separation unit; an inlet of the intermediate water tank 15 is connected with a water outlet of the sedimentation tank 12 through a pipeline, an outlet of the intermediate water tank 15 is connected with an inlet of a booster water pump 16 through a pipeline, and the booster water pump 16 is used for conveying the water solution in the sedimentation tank 12 to a filtering unit; preferably, the sedimentation tank 12 is an air-floating sedimentation tank, the bottom of the water inlet tank is provided with a stirrer, the lower end of the water inlet tank is provided with an air inlet, the upper end of the water inlet tank is provided with a pressure filtration water inlet, and the top of the water inlet tank is provided with an organic water inlet.
The filter unit comprises a filter screen type high-efficiency filter 21, a backwashing water tank 22, a backwashing pump 23 and a bag filter 24, wherein the inlet of the filter screen type high-efficiency filter 21 is respectively connected with a first pipeline and a second pipeline through an inlet three-way pipe, the first pipeline is connected with the outlet of the booster water pump 16, and the second pipeline is connected with the inlet of the solid-liquid separator 31; the outlet of the high-efficiency filter 21 is respectively connected with a third pipeline and a fourth pipeline through an outlet three-way pipe, the third pipeline is connected with the water inlet of the bag filter, the fourth pipeline is connected with the outlet of the backwashing pump 23, switching valves are arranged on the first, second, third and fourth pipelines, when the filtering pressure of the filter screen type high-efficiency filter 21 is higher, the switching valves are switched to a backwashing system for backwashing, and backwashing water is conveyed to the solid-liquid separation unit through the backwashing pump 23. The water outlet of the bag filter 24 is connected with the membrane concentration unit through a pipeline.
The solid-liquid separation unit comprises a solid-liquid separator 31 and a water collecting tank 32, the inlet of the water collecting tank 32 is connected with a fourth pipeline and a fifth pipeline through a three-way pipe, the fourth pipeline is connected with the inlet of the filter screen type high-efficiency filter 21 through a valve, and the fifth pipeline is connected with the outlet of the dredge pump 14; the filtrate outlet of the solid-liquid separator 31 is connected with the liquid inlet of the sedimentation tank 12 through a pipeline. The solid-liquid separator 31 is used for separating solid matters generated by the precipitation unit and the filtering unit, the solid matters obtained by separation are used as solid carbon fertilizers, and liquid obtained by separation returns to the precipitation tank again for sedimentation separation without pollutant discharge.
The concentrated unit of membrane includes ultrafiltration membrane filter equipment 41, reverse osmosis membrane filter equipment 42, organic fertilization mother liquor storage tank 43, organic foliage fertilizer mother liquor storage tank 44 and HiSAP water distribution tank 45, ultrafiltration membrane filter equipment 41's stoste import is passed through the pipeline and is connected with bag filter 24's delivery port, ultrafiltration membrane filter equipment 41's permeate liquid export is passed through the pipeline and is connected with reverse osmosis membrane filter equipment 42's stoste import, reverse osmosis membrane filter equipment 42's permeate liquid export is passed through the pipeline and is connected with HiSAP water distribution tank 45, ultrafiltration membrane filter equipment 41's concentrate export is passed through the pipeline and is connected with organic fertilization mother liquor storage tank 43, reverse osmosis membrane filter equipment 42's concentrate export is passed through the pipeline and is connected with organic foliage fertilizer mother liquor storage tank 44.
The treatment system of this example was used to treat an aqueous HiSAP solution, the method comprising the steps of:
(1) HiSAP aqueous solution at 2M3The flow of the solid/h enters a sedimentation tank, the floating materials and the sediments are collected by a mud scraping and sucking machine and then are conveyed to a solid-liquid separator by a mud sucking pump for solid-liquid separation, solid materials obtained by the solid-liquid separation are used as organic solid carbon fertilizers, and the obtained liquid returns to the sedimentation tank; sedimentation in sedimentation tankSeparating for about 0.5 hour, discharging water to obtain stable water solution with solid content less than 3%; the surface hydraulic load of the sedimentation tank is 0.75-1 m 3/square meter per hour;
(2) conveying the stable aqueous solution obtained in the step (1) to a filter screen type efficient filter through a booster water pump for filtering and separating to remove large-particle suspended matters, and conveying the filtered aqueous solution to an intermediate water tank; the filtering precision of the filter screen type high-efficiency filter is 50-100 microns;
(3) conveying the water solution in the intermediate water tank to a bag filter through a booster water pump, further filtering to remove small suspended matters, colloids and granular mechanical impurities to obtain membrane filtration stock solution, and taking the filtered matter and the solid matter obtained in the step (1) as an organic solid carbon fertilizer; the filtering precision of the bag filter is 10-20 microns;
(4) removing 0.03-0.05 micron particle-shaped impurities and colloids in the aqueous solution from the membrane filtration stock solution obtained in the step (3) through an ultrafiltration membrane filtration device, feeding a concentrated solution obtained by the ultrafiltration membrane filtration device into an organic fertilization mother liquor storage tank to serve as organic fertilization, and feeding a permeate obtained by the ultrafiltration membrane filtration device into a reverse osmosis membrane filtration device to continue concentration and separation; the membrane aperture of the ultrafiltration membrane treatment device is 0.03-0.05 micron;
(5) removing 0.1-0.7 nanometer particle-shaped impurities and colloids in the water solution by using a reverse osmosis membrane filtering device, feeding the obtained concentrated solution into an organic foliar fertilizer mother solution storage tank to serve as water-soluble organic foliar fertilizer mother solution, and feeding the obtained permeate into a HiSAP water distribution tank to serve as water distribution at a feed inlet at the front end of a HiSAP device; the membrane aperture of the reverse osmosis membrane treatment device is 0.1-0.7 nanometer, and the filtering pressure is 2.5 MPa.
The concentrated solution and the permeate obtained from each membrane treatment device were analyzed, and the analysis results are shown in table 1.
TABLE 1
Example 2
The structure of the embodiment 2 is basically the same as that of the embodiment 1, except that the reverse osmosis membrane filtering device is a high-pressure reverse osmosis membrane, the membrane aperture of the high-pressure reverse osmosis membrane is 0.1-0.7 nm, and the filtering pressure is 7.5-9.0 MPa.
The system of embodiment 2 is adopted to treat the HiSAP aqueous solution, so that the effect is better than that of embodiment 1, and the system can treat the aqueous solution with high contents of nitrogen, phosphorus, potassium and organic matters. The effect of the aqueous HiSAP treatment using the system of example 2 is shown in the following table.
TABLE 2
Example 3
The structure of the embodiment 3 is basically the same as that of the embodiment 1, and the difference is that the reverse osmosis membrane filtering device is composed of two stages of reverse osmosis membrane processing devices which are connected in series, a stock solution inlet of the first stage reverse osmosis membrane processing device is connected with a permeate outlet of the ultrafiltration membrane filtering device through a pipeline, a permeate outlet of the first stage reverse osmosis membrane filtering device is connected with a stock solution inlet of the second stage reverse osmosis membrane filtering device through a pipeline, a permeate outlet of the second stage reverse osmosis membrane filtering device is connected with a HiSAP water distribution tank through a pipeline, and a concentrate outlet of the first stage reverse osmosis membrane filtering device is converged with a concentrate outlet of the second stage reverse osmosis membrane filtering device through a pipeline and then connected with an organic foliar fertilizer mother solution storage tank; the membrane aperture of the first-stage reverse osmosis membrane and the second-stage reverse osmosis membrane is 0.1-0.7 nm, and the filtering pressure is 2.5-3.5 MPa.
The system of example 3 is used for treating the HiSAP aqueous solution, which can achieve the effect equivalent to that of example 2, and can treat the aqueous solution with high contents of nitrogen, phosphorus, potassium and organic matters. The effect of the aqueous HiSAP treatment using the system of example 3 is shown in the following table.
TABLE 3
According to the embodiment, nitrogen, phosphorus and potassium nutrients and organic matters in the HiSAP aqueous solution biogas slurry are separated from water by utilizing the selective permeability characteristic of the membrane, so that the concentration of nutrient components is realized, the concentration rate of the concentrated solution can reach 5-10 times, concentrated solutions of different batches can be used for preparing humic acid water-soluble fertilizer foliar fertilizer and humic acid water-soluble fertilizer leaf fertilizer after being mixed and balanced, and the permeate can be used as the feed water at the front end of the HiSAP; the separated solid impurities are used as solid carbon fertilizer, so that high-value resource utilization of the high-speed active fertilizer preparation process water solution is realized, water resources are saved, and the aim of zero emission is fulfilled.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A high-speed active fertilizer-making process water solution recycling treatment system is characterized by comprising a precipitation unit, a solid-liquid separation unit, a filtration unit and a membrane concentration unit;
the sedimentation unit comprises a sedimentation tank, an intermediate water tank, a mud scraping and sucking machine, a mud sucking pump and a booster water pump, wherein the sedimentation tank is used for sedimentation and separation of the high-speed active fertilizer preparation process water solution; the sludge scraping and sucking machine is arranged above the sedimentation tank and is used for collecting floaters on the surface of the sedimentation tank and sediments at the bottom of the sedimentation tank; the suction dredge pump is arranged at the bottom of the sedimentation tank and connected with the sludge scraping and sucking machine for conveying solid matters collected by the sludge scraping and sucking machine to the solid-liquid separation unit; the inlet of the intermediate water tank is connected with the water outlet of the sedimentation tank through a pipeline, the outlet of the intermediate water tank is connected with the inlet of a booster water pump through a pipeline, and the booster water pump is used for conveying the water solution in the sedimentation tank to the filtering unit;
the filter unit comprises a filter screen type high-efficiency filter and a bag type filter, the inlet of the filter screen type high-efficiency filter is connected with the outlet of the booster water pump through a pipeline, the water outlet of the filter screen type high-efficiency filter is connected with the water inlet of the bag type filter through a pipeline, and the water outlet of the bag type filter is connected with the membrane concentration unit through a pipeline;
the solid-liquid separation unit comprises a solid-liquid separator, an inlet of the solid-liquid separator is connected with an outlet of the dredge pump through a pipeline, and a filtrate outlet of the solid-liquid separator is connected with an inlet of the sedimentation tank through a pipeline;
the concentrated unit of membrane includes milipore filter equipment, reverse osmosis membrane filter equipment, organic fertilization mother liquor storage tank, organic leaf fertilizer mother liquor storage tank and HiSAP water distribution jar, milipore filter equipment's stoste import is passed through the pipeline and is connected with the bag filter delivery port, milipore filter equipment's the stock solution access connection that passes through liquid export and pipeline and reverse osmosis membrane filter equipment, reverse osmosis membrane filter equipment's the liquid export that passes through is passed through the pipeline and is connected with HiSAP water distribution jar, milipore filter equipment's concentrate export is passed through the pipeline and is connected with organic fertilization mother liquor storage tank, reverse osmosis membrane filter equipment's concentrate export is passed through the pipeline and is connected with organic leaf fertilizer mother liquor storage tank.
2. The high-speed active fertilizer making process water solution recycling treatment system according to claim 1, wherein the filter unit further comprises a backwash water tank and a backwash pump, an outlet of the backwash water tank is connected with an inlet of the backwash pump through a pipeline, an outlet of the backwash pump is connected with a water outlet of the filter screen type high-efficiency filter through a pipeline, a water inlet of the filter screen type high-efficiency filter is respectively connected with an inlet of the booster pump and an inlet of the solid-liquid separator through pipelines, and switching valves are arranged on a water inlet pipeline and a water outlet pipeline of the filter screen type high-efficiency filter.
3. The system for recycling the high-speed active fertilizer making process aqueous solution as claimed in claim 1, wherein the filtering precision of the filter screen type high-efficiency filter is 50-100 microns.
4. The high-speed active fertilizer production process water solution recycling treatment system of claim 1, wherein the filtration precision of the bag filter is 10-20 microns.
5. The high-speed active fertilizer preparation process water solution recycling treatment system of claim 1, wherein the membrane aperture of the ultrafiltration membrane filtering device is 0.03-0.05 micron.
6. The high-speed active fertilizer production process water solution recycling treatment system according to claim 1 or 5, wherein the membrane aperture of the reverse osmosis membrane filtering device is 0.1-0.7 nm, and the filtering pressure is 2.5-3.5 MPa.
7. The high-speed active fertilizer production process water solution recycling treatment system according to claim 1 or 5, wherein the membrane aperture of the reverse osmosis membrane filtering device is 0.1-0.7 nm, and the filtering pressure is 7.5-9.0 MPa.
8. The high-speed active fertilizer preparation process water solution resource treatment system according to claim 1 or 5, characterized in that the reverse osmosis membrane filtration device is composed of two stages of reverse osmosis membrane treatment devices connected in series, a stock solution inlet of the first stage reverse osmosis membrane treatment device is connected with a permeate outlet of the ultrafiltration membrane filtration device through a pipeline, a permeate outlet of the first stage reverse osmosis membrane filtration device is connected with a stock solution inlet of the second stage reverse osmosis membrane filtration device through a pipeline, a permeate outlet of the second stage reverse osmosis membrane filtration device is connected with the HiSAP water distribution tank through a pipeline, and a concentrate outlet of the first stage reverse osmosis membrane filtration device is connected with the organic foliar fertilizer mother liquor storage tank after being converged with a concentrate outlet of the second stage reverse osmosis membrane filtration device through a pipeline; the membrane aperture of the first-stage reverse osmosis membrane and the second-stage reverse osmosis membrane is 0.1-0.7 nm, and the filtering pressure is 2.5-3.5 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120268405.9U CN216472496U (en) | 2021-01-29 | 2021-01-29 | High-speed active fertilizer preparation technology aqueous solution resourceful treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120268405.9U CN216472496U (en) | 2021-01-29 | 2021-01-29 | High-speed active fertilizer preparation technology aqueous solution resourceful treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216472496U true CN216472496U (en) | 2022-05-10 |
Family
ID=81393427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120268405.9U Active CN216472496U (en) | 2021-01-29 | 2021-01-29 | High-speed active fertilizer preparation technology aqueous solution resourceful treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216472496U (en) |
-
2021
- 2021-01-29 CN CN202120268405.9U patent/CN216472496U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100427184C (en) | Process for concentrating pesticide mother liquor by film method | |
| CN101269999B (en) | Method for separating biological medicine fertilizer effective component from biogas fluid | |
| CN102249507A (en) | Livestock and poultry muck treatment system and method based on membrane concentration technology | |
| CN102030698B (en) | Method for separating and extracting L-tryptophan in fermentation liquor by utilizing organic film | |
| CN205662413U (en) | Concentrated recycle processing system of natural pond liquid resourceization | |
| CN111217492A (en) | Method and system for recycling excrement in large-scale farm | |
| CN106747706A (en) | A kind of biogas slurry film concentrating and separating prepares biogas slurry fertilizer cycle production process | |
| CN111217491A (en) | Anaerobic biogas slurry concentrated fertilizer production method and system | |
| CN216472496U (en) | High-speed active fertilizer preparation technology aqueous solution resourceful treatment system | |
| CN211999350U (en) | Dirty utilization system of scale plant excrement | |
| CN111762919A (en) | Biogas slurry recycling treatment method and treatment system | |
| CN101205230B (en) | Method for extracting high-purity riboflavin directly from fermentation liquor | |
| CN207435283U (en) | Chicken manure fermenting biogas slurry resource recycling utilizes system | |
| CN216129468U (en) | A concentrated system that is used for animal manure anaerobic fermentation natural pond liquid | |
| CN110316869A (en) | A kind of processing method and system of garbage loading embeading penetrating fluid | |
| CN102372624B (en) | Method for extracting sodium gulonate from sodium gulonate fermented liquid | |
| CN112876324A (en) | High-speed active fertilizer-making process water solution resource treatment method | |
| CN210340502U (en) | Processing system of natural pond liquid behind lees anaerobic fermentation | |
| CN1500799A (en) | Method for extracting erythromycin using membrane separation | |
| KR20200101663A (en) | Equipment capable of filtering of livestock wastewater and cleaning of membrane | |
| CN215924819U (en) | Sweet potato protein extraction and separation device | |
| CN217220512U (en) | C112 zymotic fluid continuous gradient separation filters recovery material device | |
| CN206173110U (en) | System for get rid of invalid composition in liquid of natural pond | |
| CN205387514U (en) | Low energy consumption natural pond sediment liquid solid -liquid separation system | |
| CN217661972U (en) | Concentration processing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |