CN114847092B - Culture and application method of sponge sludge-based watering-free lawn - Google Patents
Culture and application method of sponge sludge-based watering-free lawn Download PDFInfo
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- CN114847092B CN114847092B CN202210436740.4A CN202210436740A CN114847092B CN 114847092 B CN114847092 B CN 114847092B CN 202210436740 A CN202210436740 A CN 202210436740A CN 114847092 B CN114847092 B CN 114847092B
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- 239000010802 sludge Substances 0.000 title claims abstract description 109
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000002689 soil Substances 0.000 claims abstract description 64
- 239000000463 material Substances 0.000 claims abstract description 34
- 238000005245 sintering Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000004151 fermentation Effects 0.000 claims abstract description 21
- 238000000855 fermentation Methods 0.000 claims abstract description 20
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 238000010564 aerobic fermentation Methods 0.000 claims abstract description 8
- 210000002421 cell wall Anatomy 0.000 claims abstract description 7
- 238000009283 thermal hydrolysis Methods 0.000 claims abstract description 7
- 230000001276 controlling effect Effects 0.000 claims abstract description 5
- 238000012258 culturing Methods 0.000 claims abstract description 3
- 239000005416 organic matter Substances 0.000 claims description 9
- 208000005156 Dehydration Diseases 0.000 claims description 7
- 230000018044 dehydration Effects 0.000 claims description 7
- 238000006297 dehydration reaction Methods 0.000 claims description 7
- 239000003864 humus Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 239000010865 sewage Substances 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 244000025254 Cannabis sativa Species 0.000 claims description 4
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000292 calcium oxide Substances 0.000 claims description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 239000010881 fly ash Substances 0.000 claims description 3
- 239000011368 organic material Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000002918 waste heat Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000011049 filling Methods 0.000 claims 2
- 210000003608 fece Anatomy 0.000 claims 1
- 239000010806 kitchen waste Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 12
- 238000003860 storage Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- 230000035699 permeability Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000035558 fertility Effects 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004720 fertilization Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002550 fecal effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000013138 pruning Methods 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/40—Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure
- A01G24/44—Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure in block, mat or sheet form
- A01G24/46—Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure in block, mat or sheet form multi-layered
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
- A01G9/033—Flat containers for turf, lawn or the like, e.g. for covering roofs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
Abstract
The invention discloses a culture and application method of a sponge sludge-based watering-free lawn, which comprises the following steps: (1) preparing sponge sludge-based soil A: regulating the pH value of the dehydrated sludge, and preparing soil A after sintering treatment for later use; (2) preparing sponge sludge-based soil B: adding auxiliary materials into the dehydrated sludge, adjusting the pH, performing thermal hydrolysis treatment, adjusting the pH again after breaking the cell walls, controlling the water content of the materials, and performing aerobic fermentation treatment to prepare soil B; culturing and applying the watering-free lawn: the sponge sludge-based soil A is filled into the sponge sludge-based supporting layer, the sponge sludge-based soil B mixed with the soil A is filled into the power-accumulating sludge-based fermentation layer, and the turf layer is attached to the sludge-based connecting layer. The design of the power storage structure prepared by the invention realizes the culture of the watering-free lawn through micro and macro jointly, reduces the turf maintenance cost, and truly realizes the aims of sludge treatment reduction, harmlessness and recycling.
Description
Technical Field
The invention belongs to the technical field of organic solid waste treatment and recycling, and particularly relates to a culture and application method of a sponge sludge-based watering-free lawn.
Background
The lawn is characterized by three-division and seven-division, and maintenance management is enhanced no matter new lawns and lawns with formed lawns, so that reasonable fertilization and timely irrigation are realized. The lawn maintenance principle is as follows: uniform, pure, no impurity and evergreen in four seasons. The maintenance management work mainly comprises: water spraying, fertilization, pruning, impurity removal, pest control, ventilation and the like. The maintenance cost of the lawn is different, for example, the maintenance cost of the golf green grass is more than 26-28 yuan per square meter and one year, the ornamental lawn is more than 18 yuan per year, the manila lawn of the advanced hotel is more than 12-15 yuan, and the common public green land is more than 11-13 yuan. Many enterprises and institutions can bear the early investment cost and the later maintenance cost is high. So the watering-free lawn becomes a maintenance technology which is urgent to develop in future grass science.
The sludge of the sewage plant contains a large amount of water, rich organic matters, N, P, K and other nutrient elements, and also contains heavy metals, pathogenic bacteria and other harmful substances, if the sludge is discharged randomly without treatment, the sludge not only causes environmental pollution, but also is a serious waste of resources. According to incomplete statistics, the national sewage discharge amount is 4474 multiplied by 10 7 m 3 And/d, more than 100 sewage treatment plants with different scales and different treatment degrees exist. The amount of sludge produced per day is about 0.5% -10% of the sewage treatment amount, so that the development of a sponge sludge base which is low in cost, good in effect, free from damaging the soil structure and easy to implement, realizes solidification of unstable heavy metals and can be recycled becomes necessary.
Disclosure of Invention
Aiming at the urgent demands of lawn maintenance and sludge treatment, the invention provides a culture and application method of a sponge sludge-based watering-free lawn, which structurally and functionally solves maintenance work of watering, fertilizing and ventilation, greatly saves manpower and material resources, has high feasibility, is simple and convenient to operate, has high controllability and flexibility, and realizes win-win effect of environmental protection and economic benefit.
The aim of the invention is achieved by the following technical scheme:
a culture and application method of a sponge sludge-based watering-free lawn, the sponge sludge-based watering-free lawn comprises: a mud base link layer for planting grass cortex, and be located sponge mud base supporting layer and the power of holding mud base fermentation layer of mud base link layer lower part, power of holding mud base fermentation layer is located the centre of sponge mud base supporting layer.
The specific preparation process comprises the following steps:
(1) Preparing sponge sludge-based soil A: regulating the pH value of the dehydrated sludge, dehydrating to reduce the water content of the material to below 45%, and sintering for later use to prepare soil A;
(2) Preparing sponge sludge-based soil B: adding auxiliary materials into the dehydrated sludge, adjusting the pH, performing thermal hydrolysis treatment, adjusting the pH again after cell wall breaking, controlling the water content of the material to be 40% -60% after dehydration treatment, and performing aerobic fermentation treatment to prepare soil B;
(3) Culturing and application of a watering-free lawn: the sponge sludge-based soil A is filled into the sponge sludge-based supporting layer, the sponge sludge-based soil B mixed with the soil A is filled into the power-accumulating sludge-based fermentation layer, and the turf layer is attached to the sludge-based connecting layer.
The sludge has higher organic matter content, generates a large amount of gas in the sintering process, so that the sintered body generates more holes, is favorable for the sintered body in natural environment, has good water and fertilizer retention and air permeability, and can obtain a sludge sintered body with lower heavy metal content and leaching amount, and the sintered sludge can be selected from sludge of an industrial sewage treatment plant.
Further, the pH of the dewatered sludge is adjusted to 6.8-7.5 in the step (1).
Further, in the sintering treatment in the step (1), the preheating temperature is 370 ℃, the preheating time is 25 minutes, the sintering temperature is 800-1000 ℃, and the sintering time is 20-35 minutes.
Further, the material is naturally cooled after sintering, and the material can be mixed with other organic materials during sintering, the minimum mixing mass of sludge reaches 60%, and the organic matter content of the sintering material is not less than 35%.
Further, the auxiliary materials in the step (2) comprise one or more of calcium oxide, calcium carbonate and fly ash, and the adding volume ratio is 3-5%.
Further, adding auxiliary materials, stirring, adjusting the pH to 7.5-8.5, carrying out thermal hydrolysis treatment at 75-80 ℃, and keeping the pressure at 0.7-1.1 MPa and the temperature at 150-180 ℃ for 20-30 minutes.
Further, after cell wall breaking, the pH value is regulated to 6.8-7.2, the water content of the material is 40-60% after dehydration treatment, the material is put into an ultra-high temperature aerobic fermentation device, waste heat in a sintering process is recovered, the temperature is controlled to be 85-90 ℃, and the material is fermented for 12-15 days, and the water content of the completely decomposed material is below 30%.
Further, judging the content of humus in the soil B in the step (2), wherein when the carbon content of the humus in the soil B is 9-13 g/kg+/-0.5 g/kg, the mixing proportion of the soil A and the soil B is 2:5; when the carbon content of humus in the soil B is 4-7 g/kg+/-0.5 g/kg, the mixing ratio of the soil A to the soil B is 1:5.
Further, the volume of the sponge sludge-based supporting layer below the turf layer in the step (3) accounts for 40%, the volume of the power-accumulating sludge-based fermentation layer accounts for 60%, the turf layer is attached to the sludge-based connecting layer, and the minimum thickness of the turf is 18-22cm.
Further, the soil B can be a domestic sewage treatment plant with high organic matter content or is doped with fecal organic matter.
Compared with the prior art, the invention has the following advantages:
the patent prepares two sponge sludge bases with different porosities through sintering and thermal hydrolysis and a high-temperature aerobic fermentation process, avoids the step of perforation and ventilation of lawns, and can provide sufficient oxygen for rhizomes through the sponge sludge bases. According to the invention, by designing the sponge sludge-based watering-free lawn, the sponge sludge-based supporting layer and the power-storage sludge-based fermentation layer are arranged at the lower part of the sludge-based connecting layer, the power-storage sludge-based fermentation layer is positioned in the middle of the sponge sludge-based supporting layer, sponge sludge-based soil A with good water permeability and oxygen permeability is filled into the sponge sludge-based supporting layer, sponge sludge-based soil B with good fertility and high water locking performance is mixed with soil A and is filled into the power-storage sludge-based fermentation layer, the turf layer is attached to the sludge-based connecting layer, nutrition and moisture are continuously taken out from the sponge supporting layer and the power-storage fermentation layer, and the design of the water locking capacity and the power-storage application structure of the sponge sludge-based soil is utilized, so that the maintenance cost of the lawn can be avoided.
Drawings
FIGS. 1-3 are schematic views of sponge sludge-based structures;
in the figure: 1-turf layer; 2-a sludge-based tie layer; 3-a sponge sludge-based supporting layer; 4-an accumulating sludge-based fermentation layer.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples.
Example 1
The culture and application method of the municipal greening watering-free lawn comprises the following steps:
the pH value of the dehydrated sludge is regulated to 6.8, the dehydrated sludge is sufficiently stirred and then dehydrated to reduce the water content of the material to below 45 percent, the material is sent into a sintering machine for sintering treatment, the preheating temperature is 370 ℃ for 25 minutes, the sintering temperature is 800 ℃ for 20 minutes, the material is naturally cooled after sintering, and the material can be mixed with other organic materials for sintering to prepare soil A.
Adding calcium oxide serving as an auxiliary material into dehydrated sludge, adding 3% by volume of calcium oxide, stirring, regulating the pH to 7.5, performing thermal hydrolysis treatment at 75 ℃, maintaining the pressure at 1.1MPa and the temperature at 150 ℃ for 20 minutes, regulating the pH to 7 after cell wall breaking, regulating the water content of the material to 40% after dehydration treatment, putting the material into an ultrahigh-temperature aerobic fermentation device, recovering waste heat of a sintering process, controlling the temperature at 85 ℃, and fermenting for 12 days.
As shown in figures 1-3, sponge sludge-based soil A with better water permeability and oxygen permeability is filled into a sponge sludge-based supporting layer 3, sponge sludge-based soil B with high fertility and good water locking performance is mixed with soil A and is filled into an accumulating sludge-based fermentation layer 4, a turf layer 1 is attached to a sludge-based connecting layer 2, nutrition and moisture are continuously taken out from the sponge supporting layer and the accumulating fermentation layer, and the lawn maintenance cost is avoided by means of the design of the water locking capacity and the accumulating storage application structure of the sponge sludge-based soil.
Specifically, the mixing proportion of soil A to soil B is 2:5. The volume of the sponge sludge-based supporting layer 3 below the turf layer 1 accounts for 40%, the volume of the power-accumulating sludge-based fermentation layer 4 accounts for 60%, the turf layer 1 is attached to the sludge-based connecting layer 2, and the minimum thickness of the turf is 18cm. The total porosity of the soil A is 50% -60%, the organic matter content of the soil B is higher than 5%, the nitrogen content is higher than 0.2%, and the effective phosphorus content of the soil is higher than 50mg/kg.
Example 2
The cultivation and application method of the greening lawn in a certain district comprises the following steps:
the pH value of the dehydrated sludge is regulated, the water content of the material is reduced to be below 45% by dehydration treatment, the preheating temperature is 370 ℃ for standby after sintering treatment, the preheating time is 25 minutes, the sintering temperature is 900 ℃ and the sintering time is 35 minutes, and soil A is prepared;
adding auxiliary materials of calcium carbonate and fly ash into the dehydrated sludge, wherein the proportion is 1:1, the addition volume ratio is 3%, the pH=8 is adjusted, and the hydrothermal hydrolysis treatment is carried out at 80 ℃, and the pressure is kept at 1MPa and the temperature is kept at 180 ℃ for 25 minutes. After cell wall breaking, regulating the pH value to be 7 again, controlling the water content of the material to be 40% -60% after dehydration treatment, performing aerobic fermentation treatment at 85 ℃ for 12 days, and preparing soil B;
the sponge sludge-based soil A is filled into the sponge sludge-based supporting layer 3, the sponge sludge-based soil B mixed with the soil A is filled into the power-accumulating sludge-based fermentation layer 4, and the turf layer 1 is attached to the sludge-based connecting layer 2. The carbon content of humus in the soil B is about 9 g/kg+/-0.5 g/kg, and the mixing ratio of the soil A to the soil B is 2:5.
The volume of the sponge sludge-based supporting layer 3 below the turf layer accounts for 40%, the volume of the power-accumulating sludge-based fermentation layer 4 accounts for 60%, the turf layer 1 is attached to the sludge-based connecting layer 2, the minimum thickness of the turf is 21cm, and the soil B of the turf is generally doped with excrement to ensure high fertility in a small area. The total porosity of the soil A is 50% -60%. The organic matter content of soil B is higher than 5%, the nitrogen content is higher than 0.2%, and the effective phosphorus content of soil is higher than 50mg/kg.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present invention. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present invention.
Claims (8)
1. The culture and application method of the sponge sludge-based watering-free lawn is characterized in that the sponge sludge-based watering-free lawn comprises the following steps: the device comprises a sludge-based connection layer for planting grass layers, a sponge sludge-based supporting layer and an accumulated sludge-based fermentation layer which are positioned at the lower part of the sludge-based connection layer, wherein the accumulated sludge-based fermentation layer is positioned in the middle of the sponge sludge-based supporting layer,
the specific preparation process comprises the following steps:
(1) Preparing sponge sludge-based soil A: regulating the pH value of the dehydrated sludge, dehydrating to reduce the water content of the material to below 45%, and sintering for later use to prepare soil A; during sintering treatment, the preheating temperature is 370 ℃, the preheating time is 25 minutes, the sintering temperature is 800-1000 ℃, and the sintering time is 20-35 minutes; (2) preparing sponge sludge-based soil B: adding auxiliary materials into the dehydrated sludge, adjusting the pH, performing thermal hydrolysis treatment, adjusting the pH again after cell wall breaking, controlling the water content of the material to be 40% -60% after dehydration treatment, and performing aerobic fermentation treatment to prepare soil B;
(3) Culturing and application of a watering-free lawn: filling the sponge sludge-based soil A into the sponge sludge-based supporting layer, filling the sponge sludge-based soil B mixed soil A into the power-accumulating sludge-based fermentation layer, and attaching a turf layer on the sludge-based connecting layer;
judging the humus content of the soil B, wherein when the carbon content of the humus of the soil B is 9-13 g/kg+/-0.5 g/kg, the mixing ratio of the soil A to the soil B is 2:5; when the carbon content of humus in the soil B is 4-7 g/kg+/-0.5 g/kg, the mixing ratio of the soil A to the soil B is 1:5.
2. The method for cultivating and applying a sponge sludge-based watering-free lawn as claimed in claim 1, wherein step (1) adjusts the pH of the dewatered sludge to 6.8-7.5.
3. The culture and application method of the sponge sludge-based watering-free lawn as claimed in claim 1, wherein the lawn is naturally cooled after sintering, and can be mixed with other organic materials during sintering, the sludge is mixed with a minimum amount of 60%, and the organic matter content of the sintered material is not less than 35%.
4. The culture and application method of the sponge sludge-based watering-free lawn as claimed in claim 1, wherein the auxiliary materials in the step (2) comprise one or more of calcium oxide, calcium carbonate and fly ash, and the adding volume ratio is 3-5%.
5. The method for cultivating and applying a sponge sludge-based watering-free lawn as claimed in claim 4, wherein the step (2) comprises adding auxiliary materials, stirring, adjusting the pH to 7.5-8.5, performing thermal hydrolysis treatment at 75-80 ℃, maintaining the pressure at 0.7-1.1 MPa and the temperature at 150-180 ℃ for 20-30 minutes.
6. The culture and application method of the sponge sludge-based watering-free lawn, according to claim 1, characterized in that after the cell wall is broken in the step (2), the pH is regulated to 6.8-7.2, the water content of the material is 40% -60% after dehydration treatment, the material is put into an ultra-high temperature aerobic fermentation device, the waste heat of the sintering process is recovered, the temperature is controlled to be 85-90 ℃, the fermentation is carried out for 12-15 days, and the water content of the completely decomposed material is below 30%.
7. The method for cultivating and applying a sponge sludge-based non-watering lawn as claimed in claim 1, wherein the sponge sludge-based supporting layer under the turf layer in the step (3) is 40% by volume, the accumulating sludge-based fermentation layer is 60% by volume, and the minimum thickness of the turf is 18-22cm.
8. The method for cultivating and applying the sponge sludge-based watering-free lawn as claimed in claim 1, wherein the soil B is a domestic sewage treatment plant with high organic matter content or is doped with organic matter components of feces and kitchen waste.
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