CN113661862A - Zero-discharge sludge recycling turf planting groove and sludge recycling turf planting method - Google Patents
Zero-discharge sludge recycling turf planting groove and sludge recycling turf planting method Download PDFInfo
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- CN113661862A CN113661862A CN202111091444.7A CN202111091444A CN113661862A CN 113661862 A CN113661862 A CN 113661862A CN 202111091444 A CN202111091444 A CN 202111091444A CN 113661862 A CN113661862 A CN 113661862A
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- 239000010802 sludge Substances 0.000 title claims abstract description 116
- 238000004064 recycling Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 138
- 238000003860 storage Methods 0.000 claims abstract description 69
- 238000012856 packing Methods 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 10
- 239000002689 soil Substances 0.000 claims description 26
- 239000004746 geotextile Substances 0.000 claims description 25
- 238000000746 purification Methods 0.000 claims description 25
- 244000025254 Cannabis sativa Species 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 5
- 238000003892 spreading Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000009331 sowing Methods 0.000 claims description 3
- 239000008213 purified water Substances 0.000 abstract description 2
- 235000015097 nutrients Nutrition 0.000 description 9
- 239000012466 permeate Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 4
- 230000034303 cell budding Effects 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000234643 Festuca arundinacea Species 0.000 description 2
- 241000209049 Poa pratensis Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000004912 1,5-cyclooctadiene Substances 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- 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
-
- 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
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Environmental Sciences (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to a zero-emission sludge recycling turf planting groove which comprises a sludge airing groove and a water storage groove, wherein the water storage groove is sleeved outside the sludge airing groove, a space is reserved between the side walls of the sludge airing groove and the water storage groove to form a water storage space, a cover plate is arranged at the top end opening of the water storage space, a space is reserved between the sludge airing groove and the bottom wall of the water storage groove, a purified water packing layer is arranged at the bottom inside the water storage groove, and water permeable holes which penetrate through the inside and the outside are densely distributed in the bottom wall and at least one side wall of the sludge airing groove. The invention integrates the functions of drying and drying the sludge, recycling and planting and collecting the residual water, can directly recycle the sludge for planting the turf, is totally closed and does not fall to the ground in the recycling process of the sludge, reduces the sludge treatment process, does not generate pollution discharge of the residual water and the like, does not cause secondary pollution to the environment, and is particularly suitable for treating the sludge of small-sized rivers and lakes.
Description
Technical Field
The invention relates to a zero-emission sludge recycling turf planting groove and a sludge recycling turf planting method, and belongs to the technical field of sludge recycling treatment.
Background
With the push of ten items of water in recent years, a plurality of watershed water environment treatment projects, particularly black and odorous water body treatment projects are developed all over the country, wherein an environment-friendly dredging project is required to be developed for eliminating the endogenous pollution of bottom mud accumulated in the water body all the year round. Considering the high water content and the high organic pollutant content (COD, nitrogen and phosphorus) of the sludge, the sludge removed from the water body needs to be dried and finally transported and disposed.
The common drying treatment method has the advantages of airing, mechanical dehydration and the like, the airing method has the advantages of low cost, easiness in operation and the like, but the drying method has the defects of large occupied area, long consumed time, high temporary occupied area recovery cost, difficulty in residual water collection, limited discharge and the like. The mud after sunning often faces the dilemma that lacks the final processing and goes to the department, and to the mud that heavy metal etc. do not exceed standard, the common department of going is landfill and afforestation retrieval and utilization, and at the in-process of afforestation retrieval and utilization after the sunning, often because of the sunning operation is not normal again brings the water content too high or low, actual problems such as curing degree not enough.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a zero-emission (or called near zero-emission) sludge recycling turf planting groove and a sludge recycling turf planting method, which integrate sludge airing, recycling planting and residual water collection, and basically do not produce pollution discharge such as residual water and the like in the sludge recycling treatment process.
The technical scheme for realizing the aim of the invention is as follows: zero release silt retrieval and utilization turf planting groove, including silt sunning groove and aqua storage tank, the aqua storage tank cover is outside silt sunning groove, leaves the interval between the lateral wall of the two, constitutes the water storage space, the uncovered apron that is equipped with in top in water storage space, silt sunning groove with leave the interval between the diapire of aqua storage tank, bottom in the aqua storage tank is equipped with the water purification packing layer, it has the hole of permeating water that runs through inside and outside to gather on the diapire of silt sunning groove and at least one lateral wall.
Preferably, the top surface of the water purification filler layer is not higher than the bottom wall of the sludge airing groove.
Furthermore, the top surface of the water purification packing layer and the bottom wall of the sludge airing groove are positioned in the same horizontal plane.
Preferably, the water purification packing layer is a gravel packing layer and is paved by gravels.
Preferably, the gravel has a particle size of 2 to 4 cm.
Preferably, the pore size of the water permeable pores is smaller than the particle size of the gravel.
Preferably, the sludge airing groove is a trapezoidal groove or a square conical groove, and the water storage groove is a rectangular groove.
Furthermore, the silt sunning groove is the dovetail groove, silt sunning groove with the length of aqua storage tank is the same, the both ends of silt sunning groove along length direction with fixed sealing connection between the corresponding lateral wall of aqua storage tank.
Preferably, the two side walls of the sludge airing groove along the width direction are densely provided with the water permeable holes.
Preferably, the cover is hinged to a side wall (typically the top end of the side wall) of the water storage tank or the sludge drying tank.
Preferably, a support rib is arranged between the water storage tank and the sludge airing tank.
Preferably, the water storage tank and the sludge airing tank are made of plastic, tile or metal.
The method for planting the sludge recycled turf adopts any one of the zero-emission sludge recycled turf planting grooves, and comprises the following steps of:
(1) paving permeable geotextile in the sludge airing groove, and paving sludge on the permeable geotextile for airing;
(2) spreading planting soil on the sufficiently aired sludge, and stirring the planting soil and the sludge until the planting soil and the sludge are uniformly mixed;
(3) uniformly sowing grass seeds in mixed soil of planting soil and sludge;
(4) and after the grass seeds bud to form turfs, rolling the permeable geotextile, the mixed soil above the permeable geotextile and the turfs together, and moving out of the sludge airing groove.
Preferably, the permeable geotextile covers the bottom wall and each side wall of the sludge airing groove.
Preferably, the sludge in the step (1) is spread to a thickness of 30-40 cm.
Preferably, the mixing volume ratio of the planting soil to the sludge in the step (2) is 1:5-1: 3.
The invention has the beneficial effects that:
(1) the invention integrates the functions of drying and drying the sludge, recycling and planting and collecting the residual water, can directly recycle the sludge for planting the turf, is totally closed and does not fall to the ground in the recycling process of the sludge, reduces the sludge treatment process, does not generate pollution discharge of the residual water and the like, does not cause secondary pollution to the environment, and is particularly suitable for treating the sludge of small-sized rivers and lakes;
(2) the turf planting groove is simple in structure, small in size and movable, reduces extra occupied land, is small in weather influence in the sludge treatment process (the turf planting groove can be quickly moved to a rain sheltering place in rainy days), can flexibly adjust the number of turf planting grooves to be used according to sludge treatment capacity and airing efficiency, is convenient to use, and is suitable for application of different sludge treatment capacities;
(3) the turf planting groove can be used for planting turf by recycling sludge and can also be used for drying sludge or cultivating turf simply, the application range is wide, the turf planting groove can be stacked up and down in the turf cultivating stage, the occupied space is saved, the turf can be directly moved out of the turf planting groove after being formed into a turf, and the turf planting groove can be used as a finished turf product and is convenient to transport and transport;
(4) the water purification packing layer in the aqua storage tank sets up, can adsorb the surplus water of silt infiltration and purify, improve quality of water, when the turf was planted the groove and is used for the turf to cultivate, the surplus water accessible after the purification permeates water the hole and counter-seeps back to silt sunning inslot, and/or can follow the water storage space and take out the surplus water after purifying and water from the top in silt sunning groove again and spill, for the vegetation budding, grow and provide moisture content and nutrient, realize effective reuse of silt surplus water, and then realize the zero release of silt surplus water.
Drawings
FIG. 1 is a cross-sectional view of one embodiment of a turf planting groove of the present invention;
FIG. 2 is a top view of the FIG. 1 embodiment of the turf planting groove of the present invention;
fig. 3 is a flow chart of the method of growing sludge-reclaimed turf in accordance with the present invention.
Detailed Description
Referring to fig. 1 and 2, the invention discloses a zero-emission sludge recycling turf planting tank, which comprises a sludge airing tank 1 and a water storage tank 2, wherein the water storage tank is sleeved outside the sludge airing tank, a space is reserved between the side walls of the sludge airing tank and the side walls of the sludge airing tank to form a water storage space 3, a space is reserved between the sludge airing tank and the bottom wall of the water storage tank, a purified water packing layer 4 is arranged at the bottom inside the water storage tank, water permeable holes 5 which penetrate through the sludge airing tank from inside to outside are densely distributed on the bottom wall and at least one side wall of the sludge airing tank, and the water permeable holes are preferably regularly arranged and uniformly distributed on the tank wall. Space in the silt sunning inslot is silt sunning district, and during the silt retrieval and utilization was handled, lay silt sunning inslot sunning, silt surplus water (the moisture content of carrying on the arm in silt promptly) accessible on the diapire in silt sunning groove and the lateral wall the hole of permeating water flows in the water storage space, the uncovered apron 6 that is equipped with in top in water storage space prevents that moisture content from volatilizing, the apron preferred with the aqua storage tank or the lateral wall (the top that is the lateral wall usually) in silt sunning groove is articulated, adopts hinge connection usually, is convenient for open and close. The dehydration degree that abundant sunning will reach can be confirmed according to the follow-up processing mode, and the mud is through modes desorption moisture such as evaporation and seepage in sunning in-process, and abundant sunning (accord with corresponding sunning dehydration requirement) back can take out the mud and move to other landfill or be used for the afforestation, also can add planting soil in the mud after abundant sunning, and the grass seed is sowed after the stirring is even, directly is in the turf is cultivated to mud sunning inslot, during the turf is cultivated, the surplus water of collecting in the water storage space passes through the hole of permeating water reverse osmosis returns in the mud sunning inslot, and/or follow take out the surplus water of collecting in the water storage space and follow the top of mud sunning groove is watered, provides moisture content and nutrient for vegetation budding, growth, realizes the reuse of silt surplus water, and then realizes the zero release of silt surplus water. In the turf cultivation process, the cover plate can be opened, nutrient substances such as nutrient solution and the like which are beneficial to turf growth are added into the sludge residual water collected in the water storage space, and the planting substrate condition is adjusted. The water purification packing layer is arranged to adsorb and purify sludge and residual water collected in the water storage space, so that water quality is improved, turf cultivation is facilitated, and the residual water is convenient to use.
The top surface of the water purification filler layer is usually not higher than the bottom wall of the sludge airing groove, that is, the height (or thickness) of the water purification filler layer is not more than the distance between the bottom wall of the sludge airing groove and the bottom wall of the water storage groove, and the height of the water purification filler layer is preferably 30-40cm (for example, 30cm, 35cm or 40 cm) to ensure the water purification effect. Preferably, the top surface of the water purification filler layer and the bottom wall of the sludge airing groove are in the same horizontal plane, that is, the height of the water purification filler layer is the same as the distance between the bottom wall of the sludge airing groove and the bottom wall of the water storage tank.
The water purification packing layer is preferably a gravel packing layer which is paved by gravels, and has low cost and good water purification effect. The gravel preferably has a particle size of 2-4cm (e.g., 2cm, 3cm, or 4 cm), which facilitates laying and transportation and ensures a purification effect.
The aperture of the water permeable hole is preferably smaller than the particle size of the gravel, so that the gravel is prevented from accidentally entering the sludge airing groove.
Silt sunning inslot preferred is equipped with the geotextile layer, lays by geotextile and forms, covers the diapire and each lateral wall in silt sunning groove, during the silt retrieval and utilization is handled, the spread is in on the geotextile layer, both can prevent that silt from passing through the hole of permeating water gets into the water storage space, the silt after convenient abundant sunning again or cultivate into the turf of level ground and take out (when taking out, only need roll up the silt or the silt of geotextile and top together with the turf, shift out silt sunning groove can).
The geotextile is preferably permeable geotextile, the filtering property is good, the cost is low, and the unit mass of the permeable geotextile is preferably 200g per square meter. The geotextile that permeates water can adopt the individual layer, also can adopt the multilayer, satisfy take out abundant silt after the sunning or cultivate the structural strength requirement when becoming the turf of level ground can, when the geotextile that permeates water adopts the multilayer, the geotextile that permeates water of multilayer superposes from top to bottom in proper order, connects (for example, bonds or makes up) or does not connect as an organic whole.
Silt sunning groove can be dovetail groove or square taper groove, and the area of notch is greater than the area of tank bottom, and each lateral wall inclines to the inslot side from top to bottom, and the infiltration or the downward flow of silt surplus water of being convenient for are favorable to the discharge of silt surplus water, the aqua storage tank is preferably the rectangular channel, the lateral wall top in silt sunning groove with the lateral wall top of aqua storage tank is preferred equally high (promptly the lateral wall top in silt sunning groove with the lateral wall top of aqua storage tank is in same horizontal plane). When the silt sunning groove is square conical shape groove, preferred all the close cloth has on each lateral wall the hole of permeating water, silt sunning groove can pass through the brace rod with it is fixed to support between the aqua storage tank.
The preferred dovetail groove that adopts of silt sunning groove, just silt sunning groove with the length of aqua storage tank is the same, this moment, the both ends along length direction of silt sunning groove are not equipped with the lateral wall, are logical trough-like, the both ends along length direction of silt sunning groove with fixed sealing connection or integrated into one piece between the corresponding lateral wall of aqua storage tank, by the both ends lateral wall along length direction of aqua storage tank constitutes the both ends lateral wall along length direction of silt sunning groove, it has all to be preferred on two lateral walls along width direction of silt sunning groove to have to gather the hole of permeating water. So set up, but furthest's expansion the volume in silt sunning groove improves silt handling capacity, and simple structure, and processing is convenient. The sludge airing groove and the water storage tank are fixedly connected or integrally formed at two ends along the length direction, and can be supported and fixed by the supporting ribs in an auxiliary manner, so that the overall structural strength is improved.
The zero-emission sludge recycling turf planting groove can be flexibly designed according to use requirements (including sludge treatment capacity requirements and use site requirements). For example, the dimensions as a preferred embodiment may be: the length of the water storage tank is 5000mm, the width of the water storage tank is 1700mm, and the height of the water storage tank is 800 mm; the length of the sludge airing groove is 5000mm, the width of an opening at the top end is 1500mm, the width of the bottom wall is 1000mm, and the height is 500 mm; the length of the two cover plates is 5000mm, and the width of the two cover plates is 100 mm; the height of the water purification packing layer is 300 mm. When the turf planting groove with the size is adopted for sludge treatment, the height (or thickness) of the sludge paved in the sludge airing groove is preferably 300-400mm, so that the sludge treatment amount can be ensured to the maximum extent, and the sludge or the turf after full airing can be conveniently taken out. Each turf planting groove can process 1.5-3 cubic silt, in practical application, the number of turf planting grooves to be used can be flexibly adjusted according to the silt treatment capacity and the airing efficiency (of an application place), the turf planting grooves are mainly applied to ecological treatment and greening recycling of the silt with heavy metal not exceeding the standard in small-scale dredging engineering, and the turf planting grooves are particularly suitable for treating the silt of small-sized rivers and lakes.
The water storage tank and the sludge airing tank are preferably made of plastic, tile or metal materials, and can be recycled, so that waste is avoided.
The utility model discloses a water storage tank, including water storage space, water storage tank, outlet pipe, water storage space, the inside surplus water that can be connected with the outlet pipe on the lateral wall of water storage tank, the outlet pipe is equipped with valve and or water pump, be used for the inside surplus water of silt surplus water discharge after the purification in the water storage space is used for others or the turf planting groove and is used up, the outlet pipe is preferred to be connected on the lateral wall of water storage tank along width direction, the hookup location is higher than the water purification packing layer, the orificial minimum of connecting is preferred with the top surface of water purification packing layer is equal height, is favorable to the whole discharges of silt surplus water. The water outlet pipe can be horizontally arranged or obliquely arranged downwards according to actual use requirements, and the water outlet end is connected (communicated) or not connected (communicated) with a water storage container (such as a water tank or a water barrel).
Referring to fig. 3, the present invention also discloses a sludge recycling turf planting method using the zero-discharge sludge recycling turf planting tank, comprising the steps of:
(1) paving permeable geotextile in the sludge airing groove, and paving sludge on the permeable geotextile for airing;
(2) spreading planting soil on the sufficiently aired sludge, and stirring the planting soil and the sludge until the planting soil and the sludge are uniformly mixed;
(3) uniformly sowing grass seeds in mixed soil of planting soil and sludge;
(4) and after the grass seeds bud to form turfs, rolling the permeable geotextile, the mixed soil above the permeable geotextile and the turfs together, and moving out of the sludge airing groove.
In the step (1), the permeable geotextile preferably covers the bottom wall and each side wall of the sludge airing groove, and the spreading thickness of the sludge is preferably 30-40 cm. The sludge residual water flows into or permeates into the water storage space through the water permeable holes in the bottom wall and the side wall of the sludge airing groove and is adsorbed and purified through the water purification filler layer, and the main purpose of the step is to fully air and permeate the sludge.
In the step (2), the mixing volume ratio of the planting soil and the sludge is preferably 1:5-1:3 (such as 1:5, 1:4 or 1: 3) so as to ensure that the mixed soil has enough nutrient components to provide a good culture and growth substrate for grass seeds. The planting soil and the sludge can be stirred in a manual stirring or mechanical stirring mode, so that the soil nutrient balance is promoted.
In the step (3), the grass seeds can be selected from common grass seeds for cultivating turf, for example, the grass seeds of the Poa pratensis and the Festuca arundinacea are adopted, and the grass seeds of the Poa pratensis and the Festuca arundinacea are sown in a mass ratio of 2: 3. In the turf cultivation process, the silt residual water through purification in the water storage space passes through the hole of permeating water is reversed to ooze back in the silt sunning inslot, and/or follow will take out again through the silt residual water that purifies in the water storage space the top in silt sunning groove is watered and is sprinkled, for vegetation budding, growth provide moisture content and nutrient, the accessible to add nutrient solution etc. in the silt residual water of collecting in the water storage space and help the nutrient substance that the turf grows, adjust and plant the basement condition. In the stage of turf cultivation, the turf planting grooves can be stacked up and down, and occupied space is saved.
In the step (4), the turf (including the mixed soil) removed from the sludge drying tank can be directly used as a finished turf product. And after the turf is removed, cleaning the turf planting groove for next sludge treatment.
Claims (10)
1. Zero release silt retrieval and utilization turf planting groove, its characterized in that includes silt sunning groove and aqua storage tank, the aqua storage tank cover is outside silt sunning groove, leaves the interval between the lateral wall of the two, constitutes the water storage space, the uncovered apron that is equipped with in top in water storage space, silt sunning groove with leave the interval between the diapire of aqua storage tank, bottom in the aqua storage tank is equipped with the water purification packing layer, it has the hole of permeating water that runs through inside and outside to gather on the diapire of silt sunning groove and at least one lateral wall.
2. The zero-emission sludge recycling turf planting tank as claimed in claim 1, wherein the top surface of the water purification filler layer is not higher than the bottom wall of the sludge airing tank.
3. The zero-emission sludge recycling turf planting tank as claimed in claim 1, wherein the water purification packing layer is a gravel packing layer laid by gravel.
4. The zero-emission sludge recycling turf planting tank as claimed in claim 1, wherein the sludge airing tank is a trapezoidal tank or a square cone tank, and the water storage tank is a rectangular tank.
5. The turf planting tank with zero emission of sludge recycling according to claim 4, wherein the sludge airing groove is a trapezoidal groove, the length of the sludge airing groove is the same as that of the water storage tank, and two ends of the sludge airing groove in the length direction are fixedly and hermetically connected with the corresponding side walls of the water storage tank.
6. The zero-emission sludge recycling turf planting tank as claimed in claim 5, wherein the water permeable holes are densely distributed on both side walls of the sludge airing tank in the width direction.
7. A method for planting sludge-recycled turf, characterized by using the zero-discharge sludge-recycled turf planting tank according to any one of claims 1 to 6, comprising the steps of:
(1) paving permeable geotextile in the sludge airing groove, and paving sludge on the permeable geotextile for airing;
(2) spreading planting soil on the sufficiently aired sludge, and stirring the planting soil and the sludge until the planting soil and the sludge are uniformly mixed;
(3) uniformly sowing grass seeds in mixed soil of planting soil and sludge;
(4) and after the grass seeds bud to form turfs, rolling the permeable geotextile, the mixed soil above the permeable geotextile and the turfs together, and moving out of the sludge airing groove.
8. The method for growing mud-reclaimed turf as claimed in claim 7 wherein said permeable geotextile covers the bottom wall and side walls of said mud drying tank.
9. The method for growing sludge-recycled turf as claimed in claim 7, wherein the thickness of the sludge spread in the step (1) is 30 to 40 cm.
10. The method for planting sludge-recycled turf as claimed in claim 7, wherein the mixing volume ratio of the planting soil to the sludge in the step (2) is 1:5 to 1: 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111091444.7A CN113661862A (en) | 2021-09-17 | 2021-09-17 | Zero-discharge sludge recycling turf planting groove and sludge recycling turf planting method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111091444.7A CN113661862A (en) | 2021-09-17 | 2021-09-17 | Zero-discharge sludge recycling turf planting groove and sludge recycling turf planting method |
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| CN113661862A true CN113661862A (en) | 2021-11-19 |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN212544787U (en) * | 2020-07-14 | 2021-02-19 | 苏州大学 | Combined plant planting pot capable of purifying water |
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| CN202035328U (en) * | 2011-04-18 | 2011-11-16 | 张小飞 | Combined-type flower pot |
| CN202406639U (en) * | 2012-01-18 | 2012-09-05 | 中国矿业大学 | Water storage type flowerpot |
| CN203896924U (en) * | 2014-06-16 | 2014-10-29 | 深圳市荣鹏建筑工程有限公司 | Greening lawn irrigation system |
| CN204272773U (en) * | 2014-11-17 | 2015-04-22 | 尹铭秀 | Prevention waterlogging sod culture device |
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| CN209508919U (en) * | 2019-01-03 | 2019-10-18 | 珠海国嘉建筑工程有限公司 | A kind of riverbank appearance silt system |
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| CN212573656U (en) * | 2020-05-15 | 2021-02-23 | 江苏爱美塑业有限公司 | Plastic flowerpot free of watering |
| CN212544787U (en) * | 2020-07-14 | 2021-02-19 | 苏州大学 | Combined plant planting pot capable of purifying water |
| CN213231980U (en) * | 2020-07-30 | 2021-05-18 | 中邦山水规划设计有限公司 | Modular sludge airing and recovering system |
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