CN114130200A - Device and method for extracting liquid bio-organic fertilizer by double-membrane method - Google Patents
Device and method for extracting liquid bio-organic fertilizer by double-membrane method Download PDFInfo
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- CN114130200A CN114130200A CN202210116956.2A CN202210116956A CN114130200A CN 114130200 A CN114130200 A CN 114130200A CN 202210116956 A CN202210116956 A CN 202210116956A CN 114130200 A CN114130200 A CN 114130200A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/08—Apparatus therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
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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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Abstract
The application relates to the field of organic fertilizer extraction, in particular to a device and a method for extracting a liquid bio-organic fertilizer by a double-membrane method, wherein the device for extracting the liquid bio-organic fertilizer by the double-membrane method comprises a placing box for placing filtered raw slurry, a micro-filtration device arranged in the placing box and a reverse osmosis device arranged on one side of the placing box, wherein the micro-filtration device is used for filtering macromolecules and harmful microorganisms in the raw slurry; the reverse osmosis unit is arranged in filtering the water composition in the raw stock, the reverse osmosis unit with the micro-filtration device is connected in order to be used for receiving the raw stock after the micro-filtration device filters, the reverse osmosis unit exit is provided with and is used for carrying out the power pump that absorbs to the raw stock. This application has can be in order to reduce the harmful microorganism of macromolecule and water in the former thick liquids, realizes the effect to liquid fertilizer extraction.
Description
Technical Field
The application relates to the field of organic fertilizer extraction, in particular to a device and a method for extracting a liquid biological organic fertilizer by a double-membrane method.
Background
With the development of society and the improvement of living standard of people, healthy, environment-friendly and safe agricultural products become hot points of attention of people. At present, in the aspect of crop planting, farmers mostly apply chemical fertilizers in order to increase yield and income, but the application of the chemical fertilizers is often excessive, so that the structure and the property of soil are damaged, the water and fertilizer retention capability of the soil is poor, the actual utilization rate of the chemical fertilizers is also low, and the deterioration of the agricultural ecological environment is caused. Therefore, more and more people replace chemical fertilizers with bio-organic fertilizers, and the bio-organic fertilizers can increase the organic matter content of soil, improve the physical and chemical properties of the soil and restore the microbial community of the soil, and are important means for effectively solving the problem of unreasonable application of the chemical fertilizers.
At present, in daily life, pollutants such as organic household garbage, kitchen garbage, food processing industry leftovers, organic sludge, livestock and poultry manure, agricultural organic garbage and the like are called as organic wastes, the organic wastes contain high organic matter content, and the organic wastes can be filtered to form organic fertilizers. After organic waste is filtered, dry slag can be used for preparing solid organic fertilizer, and primary pulp material as base material can be used for preparing liquid organic fertilizer.
The primary pulp obtained by directly filtering the organic waste contains more macromolecules, harmful microorganisms and water, and cannot be directly used as a liquid organic fertilizer.
Disclosure of Invention
In order to reduce the harmful microorganisms and water in the raw slurry and realize the extraction of the liquid organic fertilizer, the application provides a device and a method for extracting the liquid biological organic fertilizer by a double-membrane method.
First aspect, the application provides a device of liquid bio-organic fertilizer is drawed to two membrane methods, adopts following technical scheme:
a device for extracting liquid bio-organic fertilizer by a double-membrane method comprises a placing box for placing filtered raw slurry, a microfiltration device arranged in the placing box and a reverse osmosis device arranged on one side of the placing box, wherein the microfiltration device is used for filtering macromolecules and harmful microorganisms in the raw slurry; the reverse osmosis unit is arranged in filtering the water composition in the raw stock, the reverse osmosis unit with the micro-filtration device is connected in order to be used for receiving the raw stock after the micro-filtration device filters, the reverse osmosis unit exit is provided with and is used for carrying out the power pump that absorbs to the raw stock.
Through adopting above-mentioned technical scheme, the magma material after the filtration can directly be placed placing the incasement, can provide suction to the magma material through the power pump to make the magma material of placing the incasement inhaled to the micro-filtration device in, and macromolecule, harmful microorganism will be held back and place the incasement, thereby get rid of the microorganism in the magma material. Then the power pump will continue to suck the raw slurry to flow to the direction of the power pump, so that the raw slurry with the microorganisms filtered reaches the reverse osmosis device, and after the raw slurry is filtered by the reverse osmosis device, the water components in the raw slurry are filtered, so that the macromolecules, harmful microorganisms and water components in the finally obtained raw slurry are greatly reduced, and the extraction of the liquid organic fertilizer is realized.
Optionally, the microfiltration device includes the rigid coupling and is in place a plurality of first cartridge filters of mounting panel, rigid coupling of bottom of the case portion on the mounting panel and the output tube of mounting panel one end is kept away from to the rigid coupling simultaneously at a plurality of first cartridge filters, the output tube simultaneously with a plurality of the inside intercommunication of first cartridge filter, every all the parcel has the microfiltration membrane on the first cartridge filter.
Through adopting above-mentioned technical scheme, can realize that the installation of microfiltration device is fixed through the mounting panel, former thick liquids will permeate through during micro-filtration membrane reachs first cartridge filter, and macromolecule, harmful microorganism in the former thick liquids will be held back and placing the incasement, realize the filtration to microorganism in the raw materials thick liquids.
Optionally, the reverse osmosis device is provided with a plurality of, a plurality of the reverse osmosis device sets up in series.
By adopting the technical scheme, the water molecules can be filtered for many times, and the extraction precision is higher.
Optionally, reverse osmosis unit includes the casing of tube-shape, can dismantle the connection and is in second cartridge filter and parcel in the casing are in reverse osmosis membrane on the second cartridge filter outer wall, reverse osmosis membrane outer wall with form the flow channel that supplies the magma stream to flow between the shells inner wall, casing one end seals the setting, the second cartridge filter also seals the setting for one end, second cartridge filter open end stretches out the casing open end is used for discharging the water after filtering, casing outer wall department is equipped with inlet and liquid outlet, the inlet is located the casing is close to the one end of casing blind end, the liquid outlet is located the casing is close to the one end of casing open end.
Through adopting above-mentioned technical scheme, the former thick liquids after the micro-filtration device filters will reach in the casing through the inlet to flow to the liquid outlet along flow channel, and at the in-process of flowing, water in the former thick liquids will see through reverse osmosis membrane and reach in the second cartridge filter, and discharge from the open end of second cartridge filter, and the former thick liquids of filtering the hydrone will be discharged from the liquid outlet, realize the filtration to the hydrone.
Optionally, one end of the second filter cartridge, which is away from the closed end of the second filter cartridge, is detachably connected with a baffle, a minimum diameter of the baffle is larger than a maximum diameter of the open end of the housing, and when the second filter cartridge is removed and replaced, the baffle can be fixed at the open end of the housing to block the open end of the housing.
By adopting the technical scheme, in the process of filtering and extracting, if a certain reverse osmosis membrane is blocked and the filter element needs to be replaced, the second filter cartridge can be directly operated to slide towards the opening end of the shell so as to be drawn out from the opening end of the shell; when taking out, the second cartridge filter will drive the baffle and slide to the casing open end also, and when the baffle reachd the casing open end, the baffle will carry out the shutoff to the casing open end, avoids reacing the interior magma material of casing and flows from the casing open end for can not be to influencing the work of drawing of normal liquid fertilizer when the renew cartridge.
Optionally, a limiting block is fixedly connected to the outer wall of the baffle, the inner wall of the shell is provided with a limiting groove along the length direction, the limiting groove slides, the inner wall of the shell is provided with a dislocation groove communicated with the limiting groove, and the dislocation groove is communicated with one side of the limiting groove and is located close to one end of the opening end of the shell.
Through adopting above-mentioned technical scheme, when operation second cartridge filter was extracted, the baffle also drove the stopper and slides in the spacing inslot, when sliding to spacing groove and dislocation groove intercommunication department, directly rotatory second cartridge filter can slide the stopper to the dislocation groove in to fix the position of baffle and casing, make the baffle can carry out the shutoff to the casing open end.
Optionally, the second filter cartridge is in threaded connection with the baffle.
Through adopting above-mentioned technical scheme, when rotatory to the dislocation groove with the baffle in, continue rotatory second cartridge filter, will drive the second cartridge filter and rotate for the baffle to remove the relation of connection with second cartridge filter and baffle.
Optionally, the open end of the shell is bent inwards to form a flange, a sealing ring used for sealing between the baffle and the flange is fixedly connected to one end of the flange facing the inside of the shell, and an inner ring of the sealing ring is arranged in a wedge shape to guide and extrude the reverse osmosis membrane.
Through adopting above-mentioned technical scheme, the setting of sealing washer for when the baffle is rotatory to the dislocation inslot, the sealing washer is by the centre gripping between baffle and turn-ups, increases the sealed effect between baffle and the turn-ups, reduces the probability that the magma material in the casing was revealed. Meanwhile, the wedge-shaped arrangement of the inner ring of the sealing ring can also play a role in guiding and extruding the reverse osmosis membrane, so that the reverse osmosis membrane can directly and smoothly slide through the inner hole of the sealing ring, and the raw slurry on the reverse osmosis membrane is intercepted in the shell by the sealing ring.
Optionally, the rigid coupling has the spacing ring on the second filter cartridge outer wall, the casing open end can be dismantled through the bolt and be connected with the flange, the flange with the spacing ring is kept away from one side butt of baffle is in order to restrict the spacing ring roll-off, the baffle is kept away from the one end rigid coupling of second filter cartridge has the bracing piece, the confession has been seted up to the casing blind end the support groove of bracing piece embedding.
Through adopting above-mentioned technical scheme, when taking out the second cartridge filter after the renewal second cartridge filter, directly install new second cartridge filter in the casing for bracing piece embedding supports the inslot, and establish the flange cover and establish behind second cartridge filter tip through the bolt fastening at the casing open end, can fix the position of spacing ring in the casing through the flange, avoid spacing ring and second cartridge filter roll-off in the casing, accomplish second cartridge filter individual installation.
In a second aspect, the application provides a method for extracting a liquid bio-organic fertilizer by a double-membrane method, which adopts the following technical scheme:
a method for extracting liquid bio-organic fertilizer by a double-membrane method comprises the following steps,
filtering the organic waste to obtain primary pulp, filtering out macromolecules and harmful microorganisms in the primary pulp through a microfiltration membrane, and conveying the primary pulp into a reverse osmosis device;
water in the raw slurry is filtered through a reverse osmosis membrane, and organic fertilizer containing one or more of nutrient substances, sodium ions, potassium ions, ammonia ions and chloride ions is extracted.
Through adopting above-mentioned technical scheme, this application filters macromolecule, the harmful microorganism in the former thick liquids through the osmotic membrane earlier and filters, then filters the hydrone in the former thick liquids through reverse osmosis membrane to reduce harmful microorganism and moisture in the former thick liquids, realize the extraction to liquid fertilizer.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the microfiltration device and the reverse osmosis device, macromolecular harmful microorganisms and water molecules in the raw slurry can be greatly reduced, and the extraction of the liquid organic fertilizer is realized;
2. the arrangement of the reverse osmosis devices enables water molecules in the raw slurry to be filtered for multiple times, so that the quality of the finally advanced liquid organic fertilizer is better, the arrangement of the baffle plate enables the second filter cylinder to be directly replaced when one reverse osmosis device is blocked or damaged, and the baffle plate can block the opening end of the shell, so that water in the shell is prevented from flowing out of the opening end of the shell, the whole production line does not need to be stopped, and the extraction of the ecological organic fertilizer is not hindered;
3. stopper and spacing groove and stopper and dislocation groove's cooperation for rotate through operating the second cartridge filter, can operate the stopper and slide to the dislocation groove in, realize the shutoff to the casing open end, the shutoff effect of baffle to the casing open end then can be guaranteed to the butt ring, makes the sealed effect between baffle and the butt ring better.
Drawings
Fig. 1 is a schematic view of the overall structure of the present application.
FIG. 2 is a schematic view of a microfiltration apparatus.
Fig. 3 is an enlarged schematic view at a in fig. 2.
Fig. 4 is a schematic view of a reverse osmosis apparatus.
Fig. 5 is an enlarged schematic view at B in fig. 4.
FIG. 6 is a schematic diagram for embodying the method for extracting liquid bio-organic fertilizer by a double-membrane method.
Description of reference numerals: 1. placing a box; 2. a microfiltration device; 21. mounting a plate; 22. a first filter cartridge; 23. an output pipe; 24. a microfiltration membrane; 3. a reverse osmosis unit; 31. a housing; 311. a liquid inlet; 312. a liquid outlet; 313. a limiting groove; 314. a dislocation groove; 315. flanging; 316. a support groove; 32. a filter element; 321. a second filter cartridge; 322. a reverse osmosis membrane; 33. a flow channel; 34. a baffle plate; 341. a limiting block; 35. a support bar; 36. a limiting ring; 37. a flange; 38. a seal ring; 4. a power pump.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses device for extracting liquid bio-organic fertilizer by double-membrane method. Referring to fig. 1 and 2, a device of liquid bio-organic fertilizer is drawed to two membrane methods is including the case 1 of placing that is used for placing the magma material after filtering, install the micro-filtration device 2 of placing in case 1 and set up at the reverse osmosis unit 3 of placing case 1 one side, wherein, micro-filtration device 2 is arranged in filtering the macromolecule in the former thick liquids, harmful microorganism, reverse osmosis unit 3 is arranged in filtering the moisture in the former thick liquids, micro-filtration device 2 and reverse osmosis unit 3 intercommunication, the one end of keeping away from micro-filtration device 2 at reverse osmosis unit 3 is provided with power pump 4 that provides power for the flow of former thick liquids. Can will place the virgin stock material of case 1 and extract to micro-filtration device 2 in through power pump 4, at the in-process of extraction, will filter macromolecule, the harmful microorganism in the former thick liquids, filter the former thick liquids of macromolecule, harmful microorganism and will arrive in reverse osmosis unit 3, filter the moisture in the former thick liquids through reverse osmosis unit 3, realize the extraction to liquid fertilizer.
Referring to fig. 2 and 3, the microfiltration device 2 includes a plurality of first filter cartridges 22 fixedly connected to a mounting plate 21, a vertical fixedly connected to one side of the mounting plate 21, and an output pipe 23 fixedly connected to one end of the first filter cartridges 22 far away from the mounting plate 21, the first filter cartridges 22 are arranged along the length direction of the mounting plate 21 at intervals, the output pipe 23 is simultaneously communicated with the inside of each first filter cartridge 22, and the outer wall of each first filter cartridge 22 is wrapped with a microfiltration membrane 24. When in use, the mounting plate 21 is directly fixed at the bottom in the placing box 1 through bolts and the like, and one end of the output pipe 23 far away from the micro-filtration device 2 is connected to the reverse osmosis device 3. The raw slurry in the placing box 1 is driven by the driving pump to penetrate through the micro-filtration membrane 24 to reach the first filter cylinder 22, and macromolecules and harmful microorganisms in the raw slurry are trapped in the placing box 1 by the micro-filtration membrane 24, so that the raw slurry conveyed to the reverse osmosis device 3 through the conveying pipe does not contain the macromolecules and the harmful microorganisms.
Wherein, reverse osmosis unit 3 can be provided with one and also can be provided with a plurality ofly, and this application explains with reverse osmosis unit 3 sets up a plurality of examples, and specific reverse osmosis unit 3 can be provided with threely, can realize filtering many times to former thick liquids to filter the hydrone in the former thick liquids.
Referring to fig. 1 and 4, the reverse osmosis apparatus 3 includes a cylindrical housing 31, and a filter element 32 detachably connected in the housing 31, and the filter element 32 includes a second filter cartridge 321 detachably connected in the housing 31 and a reverse osmosis membrane 322 wrapped on the second filter cartridge 321. Wherein, a flow channel 33 for the original slurry fluid is formed between the outer wall of the reverse osmosis membrane 322 and the inner wall of the shell 31, the shell 31 is in an open end shape, and the second filter cartridge 321 is installed into the shell 31 from the open end of the shell 31; the second filter cartridge 321 is also open at one end, and when the second filter cartridge 321 is installed, the closed end of the second filter cartridge 321 is inserted into the housing 31 first, so that the open end of the second filter cartridge 321 extends out of the housing 31 for outputting filtered water molecules. A liquid inlet 311 and a liquid outlet 312 are formed on the outer wall of the housing 31, the liquid inlet 311 is located at one end of the housing 31 close to the closed end thereof, and the liquid outlet 312 is located at one end of the housing 31 close to the open end thereof.
The raw slurry filtered by the microfiltration device 2 reaches the inside of the housing 31 from the liquid inlet 311, and flows to the liquid outlet 312 along the flow channel 33 under the power action of the power pump 4, and in the flowing process, water molecules in the raw slurry reach the inside of the second filter cylinder 321 through the reverse osmosis membrane 322, and flow out from the open end of the second filter cylinder 321, so that water is discharged. It can be understood that, in order to facilitate the rapid discharge of water molecules and improve the filtration efficiency of water molecules, a water pump may be installed at the open end of each second filter cartridge 321, and the water in the second filter cartridge 321 may be provided with outflow power by the water pump. And nutrient substances, sodium ions, potassium ions, ammonia ions, chloride ions and the like in the raw slurry reach the liquid outlet 312 along the flow channel 33 and are discharged from the liquid outlet 312, so that the extraction of the liquid organic fertilizer is realized.
Can realize filtering the cubic of magma material through three reverse osmosis unit 3, the filter effect is better, and the setting of three reverse osmosis unit 3 for when the jam appears in certain reverse osmosis unit 3's filter core 32 wherein, also can directly change filter core 32.
Specifically, in order to avoid influencing the normal extraction work of liquid fertilizer when changing filter core 32, the baffle 34 can be dismantled and be connected with in the one end that second cartridge filter 321 deviates from its closed end, the cross-section of baffle 34 can be for perfect circle also can be the dysmorphism, and the minimum diameter length of baffle 34 is greater than the opening size of casing 31 open end, makes when taking second cartridge filter 321 out from casing 31 open end, baffle 34 can carry out the shutoff to the open end of casing 31, avoids the former thick liquids in the casing 31 to flow out from the casing 31 open end.
Referring to fig. 4, a limiting block 341 is fixedly connected to an outer wall of the baffle 34, one limiting block 341 may be provided, or a plurality of limiting blocks may be provided at intervals around an axis of the second filter cartridge 321, and two limiting blocks 341 are symmetrically provided in this application as an example for description. A limiting groove 313 for each limiting block 341 to slide is formed in the inner wall of the housing 31, the length direction of the limiting groove 313 is consistent with the axial direction of the second filter cartridge 321, a dislocation groove 314 communicated with the limiting groove 313 is further formed in the inner wall of the housing 31, and the dislocation groove 314 is located at one end, facing the opening end of the housing 31, of the limiting groove 313 and is communicated with one side of the limiting groove 313. Meanwhile, the opening end of the shell 31 is bent inwards to form a flange 315, when the filter element 32 is pulled out of the shell 31, the filter element 32 drives the limiting block 341 to slide in the limiting groove 313 through the baffle 34 until the limiting block 341 slides into the dislocation groove 314, and at the moment, the baffle 34 abuts against the flange 315 towards one side of the second filter cartridge 321, so that the opening end of the shell 31 is blocked, and the raw pulp in the shell 31 is prevented from entering and exiting.
The second filter cartridge 321 and the baffle 34 can be detachably connected by a screw connection. When the second filter cylinder 321 is rotated to drive the limiting block 341 to slide into the dislocation groove 314, the second filter cylinder 321 is continuously rotated, the second filter cylinder 321 rotates relative to the baffle 34 to realize the separation from the baffle 34, and the worker can directly take out the filter element 32. When a new filter element 32 needs to be installed, the filter element 32 is directly inserted into the threaded hole in the baffle plate 34, the second filter cylinder 321 is rotated in the reverse direction, the second filter cylinder 321 drives the limiting block 341 to rotate into the limiting groove 313, the second filter cylinder 321 continues to rotate, the second filter cylinder 321 rotates relative to the baffle plate 34 to fix the second filter cylinder 321 and the baffle plate 34, and then the second filter cylinder 321 is directly operated to slide towards the inside of the shell 31.
Referring to fig. 4, a support rod 35 is fixedly connected to an end of the baffle 34 away from the second filter cartridge 321, a support groove 316 into which the support rod 35 is inserted is formed at the closed end of the housing 31, and when the second filter cartridge 321 is operated to slide toward the inside of the housing until the support rod 35 is inserted into the support groove 316, the filter element 32 can be installed and positioned.
The limiting ring 36 is fixedly connected to the second filter cylinder 321, the limiting ring 36 is located at one end, far away from the baffle 34, of the reverse osmosis membrane 322, the flange 37 is fixedly connected to the outer side of the flange 315 through threads, when the flange 37 is fixed to the flange 315 through bolts, one side, facing the flange 315, of the flange 37 is abutted to one side, far away from the baffle 34, of the limiting block 341, so that the position of the second filter cylinder 321 in the shell 31 is fixed, and the second filter cylinder 321 is installed and fixed.
Referring to fig. 4 and 5, a sealing ring 38 is further fixedly connected to the inner side of the flange 315, the sealing ring 38 is sleeved at the opening of the shell 31, the inner ring of the sealing ring 38 is wedge-shaped, and the inclined edge of the wedge-shaped edge faces the inside of the shell 31. When the stop block 341 slides into the offset groove 314, the sealing ring 38 is clamped between the baffle 34 and the flange 315, so that the sealing effect between the baffle 34 and the flange 315 is better. And the inclined plane of the sealing ring 38 can guide the reverse osmosis membrane 322 to extrude, so that the reverse osmosis membrane 322 can be pulled out conveniently, water carried on the reverse osmosis membrane 322 can be extruded, and water leakage caused when the filter element 32 is replaced is reduced.
When the reverse osmosis device 3 is used, the height of the liquid outlet 312 of the reverse osmosis device 3 can be set to be higher than that of the liquid inlet 311 when the reverse osmosis device 3 is installed, so that on one hand, water leakage caused by replacing the filter element 32 can be reduced, and when the filter element 32 is pulled out, raw pulp in the shell 31 can directly flow out of the liquid outlet 312 and cannot continuously flow out of the opening end of the shell 31; another convenience, also can slow down the velocity of flow of magma material in flow channel 33, improve the filtration precision.
The implementation principle of the device for extracting the liquid bio-organic fertilizer by the double-membrane method is as follows: after filtering organic waste, the magma material after filtering can directly be carried to placing in the case 1, then start power pump 4, power pump 4 then will place the former thick liquids of case 1 and take out to microfiltration device 2 in, filter the harmful microorganism of macromolecule in the former thick liquids through microfiltration device 2, filter the former thick liquids of the harmful microorganism of macromolecule then carried to reverse osmosis unit 3 in. The reverse osmosis device 3 filters water molecules in the original slurry, and the three-layer filtration has better filtering effect. When the filter element 32 of one of the reverse osmosis devices 3 is blocked or damaged and needs to be replaced, the worker directly takes the flange 37 down and pulls out the filter element 32, and at the moment, the filter element 32 also drives the limit block 341 to slide in the limit groove 313 through the baffle 34 until the limit block 341 slides to the communication position of the limit groove 313 and the dislocation groove 314, and the filter element 32 is rotated to drive the limit block 341 to slide in the dislocation groove 314. Then, by continuing to rotate the filter element 32, the connection between the second filter cylinder 321 and the baffle plate 34 can be released, and the second filter cylinder 321 can be directly taken out, and the baffle plate 34 can also close the open end of the housing 31. When a new filter element 32 is installed, the closed end of the filter element 32 is directly inserted into the threaded hole of the baffle plate 34, and the second filter cylinder 321 is rotated in the reverse direction, the second filter cylinder 321 drives the limiting block 341 to slide to the limiting groove 313, and the second filter cylinder 321 is continuously rotated in the reverse direction, so that the second filter cylinder 321 can be screwed on the baffle plate 34. Then, the second filter cylinder 321 is operated to slide in the housing 31 until the support rod 35 is embedded into the support groove 316, and finally, the flange 37 is sleeved on the second filter cylinder 321, and the position of the flange 37 on the housing 31 is fixed by bolts, so that the filter element 32 can be replaced. During the replacement process, the operation of the whole flow line does not need to be stopped, and it can be understood that when the filter element 32 is replaced, the raw slurry reaching the inside of the housing 31 directly flows out from the liquid outlet 312, i.e. the raw slurry is filtered by only two reverse osmosis devices 3 during the replacement.
The embodiment of the application also discloses a method for extracting the liquid bio-organic fertilizer by using a double-membrane method. Referring to fig. 6, a method for extracting a liquid bio-organic fertilizer by a double-membrane method comprises the following steps:
macromolecular and harmful microorganisms in the original slurry can be filtered out by the original slurry obtained by filtering the organic waste through the microfiltration membrane 24, and then the original slurry is conveyed to the reverse osmosis device 3;
water in the raw slurry is filtered through the reverse osmosis membrane 322, and organic fertilizers such as nutrient substances, sodium ions, potassium ions, ammonia ions, chloride ions and the like are extracted, so that the organic fertilizers are extracted.
The implementation principle of the method for extracting the liquid bio-organic fertilizer by the double-membrane method in the embodiment of the application is as follows: this application passes through twice filtration process, filters the harmful microorganism of macromolecule in the former thick liquids in proper order, and the magma material after the filtration filters the water in the former thick liquids through reverse osmosis membrane 322 again to draw and obtain liquid fertilizer, the harmful microorganism of macromolecule and water in the former thick liquids that have significantly reduced realize the drawing to the magma material fertilizer.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a device of liquid bio-organic fertilizer is drawed to two membrane processes which characterized in that: the device comprises a placing box (1) for placing filtered raw slurry, a microfiltration device (2) arranged in the placing box (1) and a reverse osmosis device (3) arranged on one side of the placing box (1), wherein the microfiltration device (2) is used for filtering macromolecules and harmful microorganisms in the raw slurry; reverse osmosis unit (3) are arranged in filtering the water component in the former thick liquids, reverse osmosis unit (3) with microfiltration device (2) are connected in order to be used for receiving the magma material after microfiltration device (2) filters, reverse osmosis unit (3) exit is provided with and is used for carrying out power pump (4) that absorb to the magma material.
2. The device for extracting the liquid bio-organic fertilizer by the double-membrane method according to claim 1, is characterized in that: microfiltration device (2) include the rigid coupling place a plurality of first cartridge filter (22) of mounting panel (21), rigid coupling of case (1) bottom and output tube (23) of mounting panel (21) one end are kept away from in a plurality of first cartridge filter (22) to the rigid coupling simultaneously, output tube (23) are simultaneously with a plurality of first cartridge filter (22) inside intercommunication, every all wrap up on first cartridge filter (22) and have microfiltration membrane (24).
3. The device for extracting the liquid bio-organic fertilizer by the double-membrane method according to claim 1, is characterized in that: the reverse osmosis device (3) is provided with a plurality of, a plurality of reverse osmosis device (3) set up in series.
4. The device for extracting the liquid bio-organic fertilizer by the double-membrane method according to claim 3, wherein: the reverse osmosis device (3) comprises a cylindrical shell (31), a second filter cylinder (321) detachably connected in the shell (31) and a reverse osmosis membrane (322) wrapped on the outer wall of the second filter cylinder (321), a flow channel (33) for the raw slurry to flow through is formed between the outer wall of the reverse osmosis membrane (322) and the inner wall of the shell (31), one end of the shell (31) is closed, the second filter cylinder (321) is also closed, the open end of the second filter cylinder (321) extends out of the open end of the shell (31) for discharging filtered water, a liquid inlet (311) and a liquid outlet (312) are arranged on the outer wall of the shell (31), the liquid inlet (311) is positioned at one end of the shell (31) close to the closed end of the shell (31), the liquid outlet (312) is positioned at one end of the shell (31) close to the opening end of the shell (31).
5. The device for extracting the liquid bio-organic fertilizer by the double-membrane method according to claim 4, wherein the device comprises: the end, deviating from the closed end, of the second filter cartridge (321) is detachably connected with a baffle (34), the minimum diameter of the baffle (34) is larger than the maximum diameter of the open end of the shell (31), and when the second filter cartridge (321) is detached and replaced, the baffle (34) can be fixed at the open end of the shell (31) to seal the open end of the shell (31).
6. The device for extracting the liquid bio-organic fertilizer by the double-membrane method according to claim 5, wherein: the fixed connection has stopper (341) on baffle (34) outer wall, casing (31) inner wall department has seted up along its length direction and has supplied stopper (341) gliding spacing groove (313), casing (31) inner wall department set up with dislocation groove (314) of spacing groove (313) intercommunication, dislocation groove (314) with spacing groove (313) one side intercommunication just is located dislocation groove (314) are close to the one end of casing (31) open end.
7. The device for extracting the liquid bio-organic fertilizer by the double-membrane method according to claim 6, wherein: the second filter cartridge (321) is in threaded connection with the baffle (34).
8. The device for extracting the liquid bio-organic fertilizer by the double-membrane method according to claim 6, wherein: casing (31) open end is incurved and is formed turn-ups (315), turn-ups (315) orientation casing (31) inside one end rigid coupling have be used for right baffle (34) with carry out sealed sealing washer (38) between turn-ups (315), the inner circle of sealing washer (38) is the wedge setting in order to right reverse osmosis membrane (322) are led and are extruded.
9. The device for extracting the liquid bio-organic fertilizer by the double-membrane method according to claim 6, wherein: the rigid coupling has spacing ring (36) on second cartridge filter (321) outer wall, casing (31) open end can be dismantled through the bolt and be connected with flange (37), flange (37) with spacing ring (36) are kept away from one side butt of baffle (34) is with the restriction spacing ring (36) roll-off, keep away from baffle (34) the one end rigid coupling of second cartridge filter (321) has bracing piece (35), the confession has been seted up to casing (31) blind end bracing groove (316) of bracing piece (35) embedding.
10. A method for extracting liquid bio-organic fertilizer by a double-membrane method is realized by the device for extracting the liquid bio-organic fertilizer by the double-membrane method of any one of claims 1 to 9, and is characterized in that: comprises the following steps of (a) carrying out,
macromolecular and harmful microorganisms in the original slurry can be filtered out from the original slurry by a microfiltration membrane (24) of the original slurry obtained by filtering the organic waste, and then the original slurry is conveyed to a reverse osmosis device (3);
water in the raw slurry is filtered through a reverse osmosis membrane (322), and organic fertilizer containing one or more of nutrient substances, sodium ions, potassium ions, ammonia ions and chloride ions is extracted.
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