CN109956645B - Harmless condensation greening bag and method for sludge - Google Patents
Harmless condensation greening bag and method for sludge Download PDFInfo
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- CN109956645B CN109956645B CN201910341765.4A CN201910341765A CN109956645B CN 109956645 B CN109956645 B CN 109956645B CN 201910341765 A CN201910341765 A CN 201910341765A CN 109956645 B CN109956645 B CN 109956645B
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- 239000010802 sludge Substances 0.000 title claims abstract description 66
- 238000009833 condensation Methods 0.000 title claims abstract description 27
- 230000005494 condensation Effects 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000010410 layer Substances 0.000 claims abstract description 104
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 101
- 238000002955 isolation Methods 0.000 claims abstract description 41
- 239000002775 capsule Substances 0.000 claims abstract description 30
- 238000001914 filtration Methods 0.000 claims abstract description 27
- 230000005068 transpiration Effects 0.000 claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 241001464837 Viridiplantae Species 0.000 claims abstract description 14
- 239000004576 sand Substances 0.000 claims abstract description 14
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 12
- 239000007888 film coating Substances 0.000 claims abstract description 3
- 238000009501 film coating Methods 0.000 claims abstract description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 14
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000002689 soil Substances 0.000 claims description 7
- 108010010803 Gelatin Proteins 0.000 claims description 6
- 238000009825 accumulation Methods 0.000 claims description 6
- 229920000159 gelatin Polymers 0.000 claims description 6
- 239000008273 gelatin Substances 0.000 claims description 6
- 235000019322 gelatine Nutrition 0.000 claims description 6
- 235000011852 gelatine desserts Nutrition 0.000 claims description 6
- 239000001963 growth medium Substances 0.000 claims description 6
- 229920001131 Pulp (paper) Polymers 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 4
- 241000894006 Bacteria Species 0.000 claims description 3
- 239000003864 humus Substances 0.000 claims description 3
- 230000001546 nitrifying effect Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 239000010902 straw Substances 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 4
- 239000010865 sewage Substances 0.000 abstract description 3
- 230000008595 infiltration Effects 0.000 abstract description 2
- 238000001764 infiltration Methods 0.000 abstract description 2
- 210000002489 tectorial membrane Anatomy 0.000 abstract 3
- 239000003673 groundwater Substances 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- -1 construction debris Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000003895 groundwater pollution Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- 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
- C02F11/008—Sludge treatment by fixation or solidification
-
- 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
- C02F11/02—Biological treatment
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Treatment Of Sludge (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a harmless condensation greening bag and a harmless condensation greening method for sludge, comprising a water isolation bag body, wherein the water isolation bag body is communicated with a sludge inlet pipe; the inner wall of the water isolation bag body is fixed with a filter box body; the surface of the filtering box body is formed with a plurality of water permeable holes; a sand filter layer and an active carbon filter layer are fixed in the filter box body; the active carbon filter layer is positioned at the inner side of the sand filter layer; the filtering box body is communicated with a water outlet; at least one green plant transpiration area is paved on the upper surface of the water isolation bag body; the green plant transpiration area comprises a tectorial membrane, a biological capsule and a degradable permeable layer at the bottom, wherein a breathable tectorial membrane layer is arranged above the degradable permeable layer, and a water-retaining layer is clamped between the degradable permeable layer and the breathable tectorial membrane layer; the biological capsule is inserted into the water-retaining layer through the air-permeable film-coating layer. The invention has simple structure and convenient use, can realize green planting treatment on the ground while preventing the problem that the surrounding environment is easy to be polluted in the sludge treatment process, and can also prevent the pollution of groundwater caused by the infiltration of sewage in the sludge.
Description
Technical field:
the invention belongs to the field of sludge treatment, and particularly relates to a harmless condensation greening bag and a harmless condensation greening method for sludge.
The background technology is as follows:
in river management and village environmental cones, a lot of sludge is usually dug. Dedicated drain filter pipes and sites are often required in sludge treatment processes. The sludge is easy to deteriorate and emit malodor when being dehydrated in the open air, and is easy to be used as a spawning ground by flies to cause flies to breed, and in the drying process, after the surface layer is usually dried, the bottom sludge is very moist, and the sludge which is preliminarily dried on the surface layer easily generates dust, so that the pollution to the surrounding environment is caused. In addition, part of the silt contains pollutants such as heavy metals, and the problem that the sewage is oozed out to pollute the underground water source in the silt treatment process exists in high-permeability soil layer areas and the like.
The invention comprises the following steps:
the invention aims to provide a harmless condensation greening bag and a harmless condensation greening method for sludge, which are simple in structure and convenient to use, realize green planting treatment on the ground while preventing the problem that the surrounding environment is easy to pollute in the sludge treatment process, prevent groundwater pollution caused by sewage infiltration in the sludge, and solve explosion accidents possibly caused by biogas aggregation in pool storage and bag storage sludge.
In order to solve the problems, the technical scheme of the invention is as follows:
the harmless condensation greening bag for sludge comprises a water isolation bag body, wherein the water isolation bag body is communicated with a sludge inlet pipe; the inner wall of the water isolation bag body is fixed with a filter box body; the surface of the filtering box body is formed with a plurality of water permeable holes; a sand filter layer and an active carbon filter layer are fixed in the filter box body; the active carbon filter layer is positioned at the inner side of the sand filter layer; the filtering box body is communicated with a water outlet; at least one green plant transpiration area is formed on the upper surface of the water isolation bag body; the green plant transpiration area is covered with a covering film, the covering film comprises a biological capsule and a degradable permeable layer at the bottom, a breathable covering film layer is arranged above the degradable permeable layer, and a water-retaining layer is clamped between the degradable permeable layer and the breathable covering film layer; placing the biological capsule in a water-retaining layer; the degradable permeable layer is communicated with the inside of the water isolation bag body through the hollow permeable pile.
Further improvement, the biological capsule is filled with a culture medium, and seeds are filled in the culture medium; the water outlet and the silt inlet pipe are both positioned on the upper surface of the water isolation bag body.
A further improvement, the degradable water permeable layer comprises polyvinyl alcohol with through holes and a water permeable braid; the water permeable braid comprises a natural fiber mat; the natural fiber mat comprises a straw fiber mat; the breathable film-covered layer is a grid mesh or is made of a breathable water-permeable film; the breathable water permeable film is a PVA film with a plurality of through holes.
Further improvement, the hollow permeable pile is conical with wide upper part and narrow lower part; the section of the filtering box body is U-shaped; the filtering box body and the water isolation bag form a water accumulation area, and the water accumulation area is communicated with the water outlet.
Further improvements, the water-retaining layer comprises any one or any mixture of wood chips, slag, building scraps and humus soil; the biological capsule is prepared by mixing paper pulp with any one or any mixture of gelatin and polyvinyl alcohol.
Further improved, nitrifying bacteria are mixed in the water-retaining layer.
Further improved, the biological capsule is cone-shaped.
Further improved, the top of the biological capsule is provided with a through hole.
Further improvement, the breathable film coating layer is a grid mesh or is made of any one or any mixture of paper pulp, gelatin and polyvinyl alcohol; the water-proof bag body is made of polyvinyl alcohol or plastic.
A harmless condensation method of sludge comprises the following steps:
digging a pit body on the ground, and then placing a sludge harmless condensation greening bag in the pit body; the sludge harmless condensation greening bag comprises a water isolation bag body, wherein the water isolation bag body is communicated with a sludge inlet pipe; the inner wall of the water isolation bag body is fixed with a filter box body; the surface of the filtering box body is formed with a plurality of water permeable holes; a sand filter layer and an active carbon filter layer are fixed in the filter box body; the active carbon filter layer is positioned at the inner side of the sand filter layer; the filtering box body is communicated with a water outlet; at least one green plant transpiration area is formed on the water isolation bag body; the green plant transpiration area is covered with a covering film, the covering film comprises a biological capsule and a degradable permeable layer at the bottom, a breathable covering film layer is arranged above the degradable permeable layer, and a water-retaining layer is clamped between the degradable permeable layer and the breathable covering film layer; placing the biological capsule in a water-retaining layer; the degradable permeable layer is communicated with the inside of the water isolation bag body through the hollow permeable pile;
step two, a silt inlet pipe is communicated with a silt conveying pipeline, and a water outlet is communicated with the conveying pipeline; then filling sludge into the water-separating bag through a sludge water pump;
step three, gradually layering sludge in the water-proof bag body, sinking and gradually solidifying heavy soil particles, filtering most of water through the filtering box body, transporting away through the water conveying pipeline, enabling part of water to enter the water-retaining layer through the hollow water-permeable piles, enabling seeds in the biological capsules to germinate, and absorbing and purifying the water in the sludge through transpiration; after the water in the water-separating bag body is discharged, continuously filling the sludge into the water-separating bag body,
and fourthly, repeating the third step until the water isolation bag body is filled with solidified sludge.
Description of the drawings:
FIG. 1 is a schematic view of the internal structure of a water barrier bag body;
FIG. 2 is a schematic view of a structure of a film;
fig. 3 is a schematic top view of the water-blocking bag.
The specific embodiment is as follows:
in order to make the above objects, features and advantages of the present invention more comprehensible, technical solutions according to embodiments of the present invention are described in detail below with reference to accompanying drawings.
The harmless condensation greening bag of the sludge shown in the figure 1 comprises a water isolation bag body 1, wherein the water isolation bag body 1 is communicated with a sludge inlet pipe 2; the inner wall of the water isolation bag body 1 is fixed with a filter box body 3; the surface of the filtering box body 3 is formed with a plurality of water permeable holes; the filter box body 3 is internally fixed with a sand filter layer 31 and an active carbon filter layer 32; the activated carbon filter layer 32 is positioned inside the sand filter layer 31; the filtering box body 3 is communicated with a water outlet 4; at least one green plant transpiration area 6 is formed on the water isolation bag body 1; the green plant transpiration area 6 is covered with a covering film 5, the covering film 5 comprises a biological capsule 53 and a degradable permeable layer 51 at the bottom, a ventilation covering film layer 52 is arranged above the degradable permeable layer 51, and a water-retaining layer 54 is clamped between the degradable permeable layer 51 and the ventilation covering film layer 52; the biological capsule 53 is placed in a water-retaining layer 54; the degradable permeable layer 51 is communicated with the inside of the water isolation bag body 1 through the hollow permeable piles 56.
The biological capsule 53 is filled with a culture medium, and seeds are filled in the culture medium; the water outlet 4 and the silt inlet pipe 2 are both positioned on the upper surface of the water isolation bag body 1.
The degradable permeable layer 51 includes polyvinyl alcohol with through holes and permeable braid; the water permeable braid comprises a natural fiber mat; the natural fiber mat comprises a straw fiber mat.
The hollow permeable pile 56 is conical with wide upper part and narrow lower part; the section of the filtering box body 3 is U-shaped; the filtering box body 3 and the water isolation bag body 1 form a water accumulation area 7, and the water accumulation area 7 is communicated with the water outlet 4.
The water-retaining layer 54 includes any one or any mixture of wood chips, slag, construction debris, and humus soil; the bio-capsule 53 is made of any one or any mixture of pulp, gelatin and polyvinyl alcohol. Nitrifying bacteria are mixed in the water-retaining layer 54. The bio-capsule 53 is tapered. The top of the biological capsule 3 is provided with a through hole 55. The breathable film layer 52 is a grid mesh or is made of any one or any mixture of paper pulp, gelatin and polyvinyl alcohol; the water-proof bag body 1 is made of polyvinyl alcohol or plastic.
A harmless condensation method of sludge comprises the following steps:
digging a pit body on the ground, and then placing a sludge harmless condensation greening bag in the pit body; the harmless condensation greening bag of the sludge comprises a water isolation bag body 1, wherein the water isolation bag body 1 is communicated with a sludge inlet pipe 2; the inner wall of the water isolation bag body 1 is fixed with a filter box body 3; the surface of the filtering box body 3 is formed with a plurality of water permeable holes; the filter box body 3 is internally fixed with a sand filter layer 31 and an active carbon filter layer 32; the activated carbon filter layer 32 is positioned inside the sand filter layer 31; the filtering box body 3 is communicated with a water outlet 4; at least one green plant transpiration area 6 is formed on the water isolation bag body 1; the green plant transpiration area 6 is covered with a covering film 5, the covering film 5 comprises a biological capsule 53 and a degradable permeable layer 51 at the bottom, a ventilation covering film layer 52 is arranged above the degradable permeable layer 51, and a water-retaining layer 54 is clamped between the degradable permeable layer 51 and the ventilation covering film layer 52; the biological capsule 53 is placed in a water-retaining layer 54; the degradable permeable layer 51 is communicated with the inside of the water isolation bag body 1 through the hollow permeable piles 56;
step two, a sludge inlet pipe 2 is communicated with a sludge conveying pipeline, and a water outlet 4 is communicated with the conveying pipeline; then filling sludge into the water-separating bag body 1 through a sludge water pump;
step three, gradually layering and gradually solidifying the sludge in the water-proof bag body 1, wherein heavy soil particles sink and are gradually solidified, most of water is transported away through a water pipeline after being filtered by the filtering box body 3, part of water enters the water-retaining layer 54 through the hollow water-permeable piles 56, seeds in the biological capsules 53 are promoted to germinate, and the water in the sludge is absorbed and purified through the transpiration effect; after the water in the water-separating bag body 1 is discharged, the water-separating bag body 1 can be continuously filled with sludge,
and step four, repeating the step three until the water isolation bag body 1 is filled with solidified sludge, thus finishing the solidification treatment of the sludge, purifying water in the sludge and realizing the green planting treatment of the ground.
The biological capsule 53 may have a water-retaining layer 54 at the middle and lower part and a gas-permeable film layer 52 at the upper part.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (8)
1. The harmless condensation greening bag for sludge comprises a water isolation bag body (1), and is characterized in that the water isolation bag body (1) is communicated with a sludge inlet pipe (2); a filtering box body (3) is fixed on the inner wall of the water-proof bag body (1); the surface of the filtering box body (3) is formed with a plurality of water permeable holes; a sand filter layer (31) and an active carbon filter layer (32) are fixed in the filter box body (3); the active carbon filter layer (32) is positioned at the inner side of the sand filter layer (31); the filtering box body (3) is communicated with a water outlet (4); at least one green plant transpiration area (6) is formed on the upper surface of the water isolation bag body (1); the green plant transpiration area (6) is covered with a covering film (5), the covering film (5) comprises a biological capsule (53) and a degradable permeable layer (51) at the bottom, a breathable covering film layer (52) is arranged above the degradable permeable layer (51), and a water-retaining layer (54) is clamped between the degradable permeable layer (51) and the breathable covering film layer (52); the biological capsule (53) is arranged on the water-retaining layer (54); the degradable permeable layer (51) is communicated with the inside of the water isolation bag body (1) through a hollow permeable pile (56); the biological capsule (53) is filled with a culture medium, and seeds are filled in the culture medium; the water outlet (4) and the silt inlet pipe (2) are both positioned on the upper surface of the water isolation bag body (1); the hollow permeable pile (56) is conical with wide upper part and narrow lower part; the section of the filtering box body (3) is U-shaped; the filtering box body (3) and the water isolation bag body (1) form a water accumulation area (7), and the water accumulation area (7) is communicated with the water outlet (4).
2. The sludge harmless condensation greening bag according to claim 1, wherein the degradable water permeable layer (51) comprises polyvinyl alcohol with through holes and water permeable braid; the water permeable braid comprises a natural fiber mat; the natural fiber mat comprises a straw fiber mat; the breathable film coating layer (52) is a grid mesh or is made of a breathable water permeable film; the breathable water permeable film is a PVA film with a plurality of through holes.
3. The sludge harmless condensation greening bag according to claim 1, wherein the water-retaining layer (54) comprises any one or any mixture of wood chips, slag, building chips and humus soil; the biological capsule (53) is made of pulp and any one or any mixture of gelatin or polyvinyl alcohol.
4. The sludge harmless condensation greening bag according to claim 1, wherein nitrifying bacteria are mixed in the water-retaining layer (54).
5. A sludge harmless condensation greening bag as claimed in claim 1, wherein said bio-capsules (53) are conical.
6. The sludge harmless condensation greening bag as claimed in claim 1, wherein the top of the biological capsule (53) is provided with a through hole (55).
7. The sludge harmless condensation greening bag according to claim 1, wherein the breathable film layer (52) is a grid mesh or is made of any one or any mixture of paper pulp, gelatin and polyvinyl alcohol; the water-proof bag body (1) is made of polyvinyl alcohol or plastic.
8. A harmless sludge condensation method, which is characterized by adopting the harmless sludge condensation greening bag according to any one of claims 1-7, and comprising the following steps:
digging a pit body on the ground, and then placing a sludge harmless condensation greening bag in the pit body; the sludge harmless condensation greening bag comprises a water isolation bag body (1), wherein the water isolation bag body (1) is communicated with a sludge inlet pipe (2); a filtering box body (3) is fixed on the inner wall of the water-proof bag body (1); the surface of the filtering box body (3) is formed with a plurality of water permeable holes; a sand filter layer (31) and an active carbon filter layer (32) are fixed in the filter box body (3); the active carbon filter layer (32) is positioned at the inner side of the sand filter layer (31); the filtering box body (3) is communicated with a water outlet (4); at least one green plant transpiration area (6) is formed on the water isolation bag body (1); the green plant transpiration area (6) is covered with a covering film (5), the covering film (5) comprises a biological capsule (53) and a degradable permeable layer (51) at the bottom, a breathable covering film layer (52) is arranged above the degradable permeable layer (51), and a water-retaining layer (54) is clamped between the degradable permeable layer (51) and the breathable covering film layer (52); the biological capsule (53) is arranged on the water-retaining layer (54); the degradable permeable layer (51) is communicated with the inside of the water isolation bag body (1) through a hollow permeable pile (56);
step two, a sludge inlet pipe (2) is communicated with a sludge conveying pipeline, and a water outlet (4) is communicated with the conveying pipeline; then filling sludge into the water-separating bag body (1) through a sludge water pump;
step three, gradually layering sludge in the water-separating bag body (1), sinking and gradually solidifying heavy soil particles, filtering most of water by the filtering box body (3), transporting away by the water conveying pipeline, enabling part of water to enter the water-retaining layer (54) through the hollow permeable piles (56), promoting seeds in the biological capsules (53) to germinate, and absorbing and purifying the water in the sludge through transpiration; after the water in the water-proof bag body (1) is discharged, the water-proof bag body (1) is continuously filled with sludge,
and fourthly, repeating the third step until the solidified sludge is filled in the water isolation bag body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910341765.4A CN109956645B (en) | 2019-04-26 | 2019-04-26 | Harmless condensation greening bag and method for sludge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910341765.4A CN109956645B (en) | 2019-04-26 | 2019-04-26 | Harmless condensation greening bag and method for sludge |
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| Publication Number | Publication Date |
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| CN109956645A CN109956645A (en) | 2019-07-02 |
| CN109956645B true CN109956645B (en) | 2024-02-13 |
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| CN111869367B (en) * | 2020-07-23 | 2023-02-03 | 江苏华淼电子科技有限公司 | Slope vegetation restoration bag and using method thereof |
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