CN220116442U - System for utilize domestic sewage preparation liquid manure - Google Patents
System for utilize domestic sewage preparation liquid manure Download PDFInfo
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- CN220116442U CN220116442U CN202321715403.5U CN202321715403U CN220116442U CN 220116442 U CN220116442 U CN 220116442U CN 202321715403 U CN202321715403 U CN 202321715403U CN 220116442 U CN220116442 U CN 220116442U
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- 239000010865 sewage Substances 0.000 title claims abstract description 66
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 title description 4
- 210000003608 fece Anatomy 0.000 title description 2
- 239000010871 livestock manure Substances 0.000 title description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 123
- 239000003337 fertilizer Substances 0.000 claims abstract description 88
- 239000005416 organic matter Substances 0.000 claims abstract description 64
- 239000002245 particle Substances 0.000 claims abstract description 37
- 230000015556 catabolic process Effects 0.000 claims abstract description 24
- 238000006731 degradation reaction Methods 0.000 claims abstract description 24
- 244000000010 microbial pathogen Species 0.000 claims abstract description 24
- 239000000945 filler Substances 0.000 claims description 20
- 239000000725 suspension Substances 0.000 claims description 11
- 230000000593 degrading effect Effects 0.000 claims description 10
- 238000005273 aeration Methods 0.000 claims description 9
- 239000013049 sediment Substances 0.000 claims description 7
- 238000004659 sterilization and disinfection Methods 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 12
- 150000002894 organic compounds Chemical class 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 235000015097 nutrients Nutrition 0.000 abstract description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 6
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 6
- 239000011574 phosphorus Substances 0.000 abstract description 6
- 239000011591 potassium Substances 0.000 abstract description 6
- 229910052700 potassium Inorganic materials 0.000 abstract description 6
- 230000002411 adverse Effects 0.000 abstract description 4
- 235000021048 nutrient requirements Nutrition 0.000 abstract 1
- 244000005700 microbiome Species 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000000969 carrier Substances 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 230000002262 irrigation Effects 0.000 description 3
- 238000003973 irrigation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 241000700605 Viruses Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 150000003384 small molecules Chemical class 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000037208 balanced nutrition Effects 0.000 description 1
- 235000019046 balanced nutrition Nutrition 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Fertilizers (AREA)
Abstract
The utility model provides a system for preparing water and fertilizer by utilizing domestic sewage, which comprises an organic matter degradation unit, an organic matter removal unit, a suspended particle removal unit, a pathogenic microorganism removal unit and a water and fertilizer preparation unit; the system for preparing the water fertilizer by utilizing the domestic sewage can effectively reserve nutrient resources such as nitrogen, phosphorus, potassium and the like in the sewage to prepare the water fertilizer, avoids adverse effects of organic compounds with higher content on crops, simultaneously avoids the influence of pathogenic microorganisms contained in the prepared water fertilizer on the safety of agricultural products, and can prepare the water fertilizer in a special nutrient requirement period according to the requirement characteristics of the crops on the nutrients.
Description
Technical Field
The utility model relates to the technical field of water and fertilizer preparation, in particular to a system for preparing water and fertilizer by utilizing domestic sewage.
Background
The integrated water-fertilizer technology is a water-saving, fertilizer-saving, high-yield and high-efficiency agricultural engineering technology for applying water fertilizer into farmlands by dissolving soluble liquid fertilizer or liquid fertilizer into water. The fertilizer has the advantages of saving water, reducing the water filling amount and the fertilizing amount, obviously reducing fertilizer pollution, improving crop yield, improving quality and the like, meets the development requirements of China on energy conservation and emission reduction and ecological civilization construction, and is beneficial to sustainable development of agriculture. The water fertilizer is an indispensable fertilizer type of the water and fertilizer integration technology, and the selling price of the water and fertilizer on the market is from thousands to tens of thousands yuan, and the high price of the water and fertilizer integration technology is hindered to a certain extent.
The rural domestic sewage contains rich nutrient resources required by crops such as nitrogen, phosphorus, potassium and the like, and has the advantages of balanced nutrition required by the crops, easy absorption of the crops, effective increase of the content of soil microorganisms and organic matters and improvement of soil hardening. The rural domestic sewage is used as the raw material to produce the water fertilizer, so that the raw material is easy to obtain, the production cost is low, the rural environment can be improved, and the rural human living environment can be further improved.
However, as the Chemical Oxygen Demand (COD) concentration of rural domestic sewage is high, the rural domestic sewage can be directly used as a water fertilizer to produce adverse effects on crops, and the sewage contains a certain suspended matters, so that an irrigation system can be blocked, and the sewage contains a certain pathogenic bacteria, so that the safety of agricultural products can be influenced. Meanwhile, crops have different demands on fertilizer in special growth periods, for example, the demands on fertilizer in the tillering period and the young ear differentiation period of rice are larger, the nitrogen demand for early tillering of wheat is large, the potassium demand for middle-stage jointing is large, the phosphorus demand for later-stage booting is more, and the like, and rural domestic sewage cannot directly meet the demands of crops, so that the rural domestic sewage is required to be properly treated to be used as fertilizer.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a system for preparing a water fertilizer by using domestic sewage, so as to solve the problem that the existing domestic sewage acts on crops as a fertilizer and the problem that the existing water fertilizer has high production cost, and simultaneously realize the resource utilization of rural domestic sewage.
To achieve the above and other related objects, the present utility model provides a system for preparing a water fertilizer using domestic sewage, the system comprising:
the organic matter degradation unit is communicated with the sewage water inlet pipeline;
the water inlet of the organic matter removing unit is communicated with the water outlet of the organic matter degrading unit; the organic matter removing unit is provided with an overflow port I;
the water inlet of the suspended particle removing unit is communicated with the overflow port I of the organic matter removing unit; a plurality of baffles are arranged in the suspended particle removing unit and are suitable for prolonging the flow path of water flow in the suspended particle removing unit; the water outlet of the suspended particle removing unit is an overflow port II;
the water inlet of the pathogenic microorganism removing unit is communicated with the overflow port II;
the water inlet of the water and fertilizer preparation unit is communicated with the water outlet of the pathogenic microorganism removal unit; and a stirrer is arranged in the water and fertilizer preparation unit.
As described above, the system for preparing the water and fertilizer by utilizing the domestic sewage has the following beneficial effects:
the system for preparing the water fertilizer by utilizing the domestic sewage realizes the preparation of the water fertilizer by sequentially arranging the organic matter degradation unit, the organic matter removal unit, the suspended particle removal unit, the pathogenic microorganism removal unit and the water fertilizer preparation unit, so that nutrient resources such as nitrogen, phosphorus, potassium and the like in the sewage can be effectively reserved, adverse effects of organic compounds with higher content on crops are avoided, the influence of pathogenic microorganisms on the safety of agricultural products can be avoided, and the blocking risk of the water fertilizer on irrigation facilities is avoided.
The system for preparing the water fertilizer by utilizing the domestic sewage disclosed by the utility model has the advantages that the domestic sewage is treated, the nutrients such as nitrogen, phosphorus and potassium required by crops are reserved, and other water-soluble fertilizers are reasonably added to prepare the water fertilizer suitable for the crops, so that the production cost of the water fertilizer required by the water fertilizer integration is greatly reduced, the resource utilization of the domestic sewage is realized, and the effects of saving water and fertilizer and preventing and controlling the water and soil environment are realized.
Drawings
Fig. 1 shows a schematic diagram of a system for preparing water and fertilizer by using domestic sewage.
Fig. 2 shows a schematic diagram of a suspended particle removal unit.
Description of the reference numerals
10. Organic matter degradation unit
20. Organic matter removing unit
30. Suspended particle removing unit
40. Pathogenic microorganism removing unit
50. Water and fertilizer preparation unit
11. Sewage water inlet pipeline
12. Water outlet of organic matter degradation unit
13. Suspension type filler
14. Sediment discharge outlet I
22. Overflow port I
23. Suspension filler
24. Aeration device
31. Baffle plate
32. Overflow port II
33. Sediment discharge outlet II
41. Ultraviolet disinfection device
42. Water outlet of pathogenic microorganism removing unit
51. Stirrer
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; either directly, or indirectly, through intermediaries, may be in communication with each other, or may be in interaction with each other, unless explicitly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Please refer to fig. 1-2. It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.
As shown in fig. 1, an embodiment of the present utility model provides a system for preparing a water fertilizer by using domestic sewage, the system comprising:
an organic matter degradation unit 10, wherein the organic matter degradation unit 10 is communicated with a sewage inlet pipeline 11;
an organic matter removing unit 20, wherein a water inlet of the organic matter removing unit 20 is communicated with a water outlet 12 of the organic matter degrading unit; the organic matter removing unit 20 is provided with an overflow port I22;
a suspended particle removing unit 30, wherein a water inlet of the suspended particle removing unit 30 is communicated with an overflow port I22 of the organic matter removing unit 20; a plurality of baffles 31 are arranged in the suspended particle removing unit 30 and are suitable for prolonging the flow path of water flow in the suspended particle removing unit 30; the water outlet of the suspended particle removing unit 30 is an overflow port II 32.
A pathogenic microorganism removing unit 40, wherein a water inlet of the pathogenic microorganism removing unit 40 is communicated with the overflow port II 32;
the water and fertilizer preparation unit 50, wherein the water inlet of the water and fertilizer preparation unit 50 is communicated with the water outlet 42 of the pathogenic microorganism removal unit; the water and fertilizer preparation unit 50 is provided with a stirrer 51.
According to the system for preparing the water fertilizer by utilizing the domestic sewage, the domestic sewage is firstly introduced into the organic matter degradation unit 10, mixed and stayed in the organic matter degradation unit 10, organic compounds are degraded, the degraded domestic sewage enters the organic matter removal unit 20 from the water outlet 12 of the organic matter degradation unit 10, the organic compounds in the sewage are further decomposed and removed in the organic matter removal unit 20 and then flow into the suspended particle removal unit 30 through the overflow port I22, the flow path of the sewage which is increased by the baffle plate 31 arranged in the suspended particle removal unit 30 is prolonged, the sedimentation time of suspended particles in the sewage to the bottom of the treatment unit is prolonged, the sedimentation effect of the suspended particles is improved, the suspended particles flow into the pathogenic microorganism removal unit 40 through the overflow port II 32, pathogenic microorganisms in the sewage are removed by the pathogenic microorganism removal unit 40, the suspended particles flow into the water fertilizer preparation unit 50, and the soluble fertilizer which needs to be added and the treated sewage are mixed and stirred in the water fertilizer preparation unit 50 and stored for standby.
In a preferred embodiment, as shown in fig. 1, in the system for preparing water and fertilizer using domestic sewage according to the embodiment of the present utility model, a suspension type packing 13 is provided in the organic matter degrading unit 10. The suspended filler 13 provides a large amount of carriers for the attachment growth of microorganisms, the microorganisms form a biological film on the surface of the carriers, and macromolecules and complex organic compounds in the sewage are degraded into small molecules and simple organic compounds under the action of the microorganisms attached to the suspended filler 13. The filling ratio of the suspension type filler 13 in the organic matter degradation unit 10 is 20-40%; for example 20 to 25%, 25 to 30%, 30 to 35% or 35 to 40%. The suspension type filler 13 is 0.3-0.5 m away from the water surface; for example 0.3 to 0.4m or 0.4 to 0.5m.
The bottom of the organic matter degrading unit 10 is provided with a sediment discharge I14. Biofilm falling off from the hanging packing 13 is deposited at the bottom of the organic matter degrading unit 10 and discharged through the deposit discharge port I14.
The physical space volume of the organic matter degradation unit 10 is 1/8-1/4 of the daily required volume of the water fertilizer. The aspect ratio of the organic matter degradation unit 10 is 2-2.5:1, and the height is 3.5-4.5 m.
The water outlet 12 of the organic matter degrading unit 10 is provided in the physical space of the organic matter degrading unit 10 at a distance of 0.3 to 0.5m, for example, 0.3 to 0.4m or 0.4 to 0.5m from the bottom thereof.
In a preferred embodiment, as shown in fig. 1, in the system for preparing water and fertilizer using domestic sewage according to the embodiment of the present utility model, the suspended filler 23 is provided in the organic matter removing unit 20. The suspended filler 23 may provide a substantial amount of adherently grown carrier for the microorganisms. More preferably, the filling ratio of the suspension filler 23 in the organic matter removing unit 20 is 30 to 50%, for example, 30 to 35%, 35 to 40%, 40 to 45%, or 45 to 50%.
The bottom of the organic matter removal unit 20 is provided with an aeration device 24. The aeration system 24 provides abundant oxygen for microorganisms on the suspended filler 23 to form a community structure mainly comprising aerobic microorganisms, and partial organic compounds in the sewage are decomposed into CO under the action of the aerobic microorganisms 2 And water is removed. The aeration rate of the aeration device 24 is 5-15 m for each ton of water and fertilizer 3 The method comprises the steps of carrying out a first treatment on the surface of the For example 5 to 7m 3 、7～9m 3 、9～11m 3 、11～13m 3 Or 13-15 m 3 。
The physical space of the organic matter removing unit 20 has the same width and height as those of the organic matter degrading unit 10. The physical space volume of the organic matter removing unit 20 is 1/8-3/8 of the daily required volume of the water fertilizer.
In a preferred embodiment, as shown in fig. 1, in the system for preparing water and fertilizer using domestic sewage according to the embodiment of the present utility model, the width and height of the physical space of the suspended particle removing unit 30 are the same as those of the organic matter removing unit 20. More preferably, the physical space volume of the suspended particle removing unit 30 is 1/8 to 1/4 of the daily required volume of the water fertilizer.
The bottom of the suspended particle removal unit 30 is provided with a sediment discharge outlet II 33.
In the suspended particle removing unit 30, as shown in fig. 2, the baffles 31 are vertically arranged, the number n of the baffles 31 is greater than or equal to 1, n is singular, the top of the first baffle 31 is higher than the height of the water inlet and the water outlet of the suspended particle removing unit 30 along the water flow direction, a gap is arranged between the first baffle 31 and the bottom of the suspended particle removing unit 30, and the gap is suitable for water flow to pass through; the bottom of the second baffle 31 is connected with the bottom of the suspended particle removing unit 30, and the top of the second baffle is lower than the height of the water inlet and the water outlet of the suspended particle removing unit 30; the third baffle 31 is the same as the first baffle 31, the fourth baffle 31 is the same as the second baffle 31, the fifth baffle 31 is the same as the first baffle 31, and the like, so that the purpose of prolonging the water flow passage is achieved, and the sedimentation effect of suspended particles is improved. Wherein the height of the bottom gap is 20-30 cm. For example 20 to 25cm or 25 to 30cm.
In a preferred embodiment, as shown in fig. 1, in the system for preparing water and fertilizer using domestic sewage according to the embodiment of the present utility model, an ultraviolet sterilizing device 41 is provided in the pathogenic microorganism removing unit 40. The high intensity ultraviolet rays emitted from the ultraviolet sterilizing device 41 may destroy internal structures such as DNA of bacteria and viruses, thereby killing pathogenic microorganisms in the sewage.
Wherein the effective dose of the ultraviolet disinfection device is 15-25 mJ/cm 2 . For example, 15 to 20mJ/cm 2 Or 20-25 mJ/cm 2 。
In a preferred embodiment, as shown in fig. 1, in the system for preparing water and fertilizer using domestic sewage according to the embodiment of the present utility model, the stirrer 51 is a propeller type stirrer.
The rotational speed of the stirrer 51 is 90 to 130r/min. For example, 90 to 100r/min, 100 to 110r/min, 110 to 120r/min or 120 to 130r/min.
The physical space volume of the water fertilizer preparation unit 50 is 1/8-5/8 of the daily required volume of the water fertilizer.
When the sewage treatment device is used, domestic sewage enters the organic matter degradation unit 10, a large number of carriers for adhesion growth are provided for microorganisms by the suspension type filler 13, the microorganisms move and adhere to the surface of the filler to form a biological film, the microorganisms on the filler degrade organic pollutants in the sewage into small molecules and simple organic matters, the biological film is also continuously fallen off and regenerated, and the fallen biological film is deposited at the bottom of the organic matter degradation unit 10 and is discharged through the sediment discharge outlet I14; the degraded sewage flows into the organic matter removing unit 20, wherein the suspended filler 23 also provides an adhesion growth carrier for microorganisms, and the aeration device 24 arranged in the organic matter removing unit 20 provides abundant oxygen for the microorganisms on the suspended filler 23 to form a group mainly comprising aerobic microorganismsFalling structure, and decomposing partial organic compounds in the sewage into CO under the action of aerobic microorganisms 2 And water is removed, sewage after the advanced removal flows to the suspended particle removing unit 30 through the overflow port 22, a plurality of vertical baffles 31 are arranged in the suspended particle removing unit, water flow channels are greatly increased, water flow needs to pass through gaps below the baffles, then flows to the pathogenic microorganism removing unit 40 through the overflow port, high-intensity ultraviolet rays emitted by an ultraviolet sterilizing device 41 arranged in the pathogenic microorganism removing unit 40 destroy internal structures such as bacteria and virus DNA and the like, pathogenic microorganisms in the sewage are killed, then the sewage flows to the water and fertilizer preparing unit 50, part of soluble fertilizer is added according to the nutrient demand characteristics of crops, and after the propeller type stirrer is started to stir uniformly, the water and fertilizer can be directly used or stored in the water and fertilizer preparing unit 50 for standby.
In summary, the system for preparing the water and fertilizer by utilizing the domestic sewage can not only effectively reserve nutrient resources such as nitrogen, phosphorus and potassium in the sewage to prepare the water and fertilizer, but also avoid adverse effects of organic compounds with higher content on crops, and simultaneously avoid the problems that pathogenic microorganisms contained in the prepared water and fertilizer can affect the safety of agricultural products and cause blockage risks to irrigation facilities. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. A system for preparing a water fertilizer from domestic sewage, the system comprising:
an organic matter degradation unit (10), wherein the organic matter degradation unit (10) is communicated with a sewage inlet pipeline (11);
an organic matter removing unit (20), wherein a water inlet of the organic matter removing unit (20) is communicated with a water outlet (12) of the organic matter degrading unit; the organic matter removing unit (20) is provided with an overflow port I (22);
the water inlet of the suspended particle removing unit (30) is communicated with the overflow port I (22) of the organic matter removing unit (20); a plurality of baffles (31) are arranged in the suspended particle removing unit (30), and are suitable for prolonging the flow path of water flow in the suspended particle removing unit (30); the water outlet of the suspended particle removing unit (30) is an overflow port II (32);
a pathogenic microorganism removing unit (40), wherein a water inlet of the pathogenic microorganism removing unit (40) is communicated with an overflow port II (32); the water and fertilizer preparation unit (50), the water inlet of the water and fertilizer preparation unit (50) is communicated with the water outlet (42) of the pathogenic microorganism removal unit; the water and fertilizer preparation unit (50) is provided with a stirrer (51).
2. The system for producing water and fertilizer using domestic sewage according to claim 1, further comprising one or more of the following features:
a1, a suspension type filler (13) is arranged in the organic matter degradation unit (10);
a2, a sediment outlet I (14) is arranged at the bottom of the organic matter degradation unit (10);
a3, the physical space volume of the organic matter degradation unit (10) is 1/8-1/4 of the daily required volume of the water fertilizer;
a4, a water outlet (12) of the organic matter degradation unit (10) is arranged at a position 0.3-0.5 m away from the bottom of the organic matter degradation unit (10) in the physical space.
3. The system for preparing water and fertilizer by utilizing domestic sewage according to claim 2, wherein the filling ratio of the suspended filler (13) in the organic matter degradation unit (10) is 20-40%;
and/or the suspension type filler (13) is 0.3-0.5 m away from the water surface;
and/or the aspect ratio of the organic matter degradation unit (10) is 2-2.5:1, and the height is 3.5-4.5 m.
4. The system for producing water and fertilizer using domestic sewage according to claim 1, further comprising one or more of the following features:
b1, a suspension filler (23) is arranged in the organic matter removing unit (20);
b2, an aeration device (24) is arranged at the bottom of the organic matter removing unit (20);
b3, the width and the height of the physical space of the organic matter removing unit (20) are the same as those of the organic matter degrading unit (10).
5. The system for preparing water and fertilizer by utilizing domestic sewage according to claim 4, wherein the physical space volume of the organic matter removing unit (20) is 1/8-3/8 of the daily required volume of water and fertilizer;
and/or the filling ratio of the suspension filler (23) in the organic matter removing unit (20) is 30-50%;
and/or the aeration amount of the aeration device (24) is 5-15 m for each ton of water and fertilizer 3 。
6. The system for producing water and fertilizer using domestic sewage according to claim 1, further comprising one or more of the following features:
c1, the width and the height of the physical space of the suspended particle removing unit (30) are the same as those of the organic matter removing unit (20);
c2, a sediment discharge outlet II (33) is arranged at the bottom of the suspended particle removing unit (30).
7. The system for preparing water and fertilizer by utilizing domestic sewage according to claim 6, wherein the physical space volume of the suspended particle removing unit (30) is 1/8-1/4 of the daily required volume of water and fertilizer.
8. The system for preparing water and fertilizer by utilizing domestic sewage according to claim 1, wherein an ultraviolet disinfection device (41) is arranged in the pathogenic microorganism removing unit (40).
9. The system for preparing water and fertilizer by utilizing domestic sewage according to claim 8, wherein the effective dose of the ultraviolet disinfection device is 15-25 mJ/cm 2 。
10. The system for producing water and fertilizer using domestic sewage according to claim 1, further comprising one or more of the following features:
e1, the stirrer (51) is a propeller type stirrer;
e2, the rotating speed of the stirrer (51) is 90-130 r/min;
and E3, the physical space volume of the water and fertilizer preparation unit (50) is 1/8-5/8 of the daily required volume of the water and fertilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321715403.5U CN220116442U (en) | 2023-06-30 | 2023-06-30 | System for utilize domestic sewage preparation liquid manure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321715403.5U CN220116442U (en) | 2023-06-30 | 2023-06-30 | System for utilize domestic sewage preparation liquid manure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220116442U true CN220116442U (en) | 2023-12-01 |
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ID=88891065
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321715403.5U Active CN220116442U (en) | 2023-06-30 | 2023-06-30 | System for utilize domestic sewage preparation liquid manure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220116442U (en) |
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2023
- 2023-06-30 CN CN202321715403.5U patent/CN220116442U/en active Active
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