CN106258412A - Biological activity excess sludge of municipal sewage plant matrix composite vegetation blanket and application - Google Patents
Biological activity excess sludge of municipal sewage plant matrix composite vegetation blanket and application Download PDFInfo
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- CN106258412A CN106258412A CN201610669569.6A CN201610669569A CN106258412A CN 106258412 A CN106258412 A CN 106258412A CN 201610669569 A CN201610669569 A CN 201610669569A CN 106258412 A CN106258412 A CN 106258412A
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- layer
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- vegetation blanket
- vegetation
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/04—Arranging seed on carriers, e.g. on tapes, on cords ; Carrier compositions
- A01C1/044—Sheets, multiple sheets or mats
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
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Abstract
The present invention provides a kind of biological activity excess sludge of municipal sewage plant matrix composite vegetation blanket and application.Described composite plant cover blanket is made up of superstructure layer, vegetable layer, nutritive layer, protective layer, five layers of understructure layer, and superstructure layer and understructure layer are all to be woven by the flaxen fiber on the gunnysack discarded to form, and its grid is square being staggered；Vegetable layer is mixed by the additional a small amount of fertilizer of the corn straw pulverized, wheat straw and grass seeds；Nutritive layer is made up of modified sewage sludge, and is sprayed with microbial inoculum；It is lower is protective layer, is made up of the wheat straw pulverized.The material that vegetation blanket of the present invention is used is substantially solid waste, select activated sludge is nutritive layer simultaneously, nutrient can either be provided for vegetation, again can purifying rainwater and sanitary sewage, the fertility that can also improve soil greatly improves soil quality, has the advantages such as insulation, water conservation, soil moisture conservation and Stability Analysis of Structures.
Description
Technical field
The present invention relates to the recycling of refuse and the application of activated sludge, particularly to a kind of biological activity city
City's sewage treatment plant residual sludge substrate composite plant cover blanket and use the ecological restoring method of this composite plant cover blanket.
Background technology
Vegetation blanket be according to finally returning to the ancestral home, the theory such as straw-returning, improvement soil, by biology remaining in agriculture, Foresty industry
Matter resource conversion is the product of restoration of the ecosystem, can be applicable to hillside, sandy soil and two sides, river, both sides of highway, park, football
Field, golf course etc., be internationally recognized most effective, the most inexpensively, the easiest protect one of soil, sand control, greening and environmental protection product.
Traditional vegetation blanket is merely able to play shore protection, afforests and the effect of solid soil, its improvement soil quality and improvement
The effect of water quality is very little, and finally this ground vegetation growth situation still can become original level again, and the north is dried, sternly
Cold, it is unfavorable for the growth and breeding of vegetation.The effect the most how increasing vegetation blanket becomes current problem demanding prompt solution.
Summary of the invention
It is an object of the invention to provide a kind of biological activity excess sludge of municipal sewage plant matrix composite vegetation blanket, energy
Enough soil qualities that improves greatly, and can purifying rainwater, domestic water and local water environment, also have insulation, water conservation,
Soil moisture conservation and constitutionally stable advantage.
The technical scheme is that biological activity excess sludge of municipal sewage plant matrix composite vegetation blanket is by from upper
Superstructure layer under to, vegetable layer, nutritive layer, protective layer, understructure layer are constituted.
Described upper and lower double-layer structure layer is all by the net of flaxen fiber braiding produced after the gunnysack recovery discarded
Lattice piece.Described flaxen fiber length average out to 30mm-35mm, fineness is 0.4-0.7g/km.Described double-layer structure layer up and down
Surface mesh be the square mesh that is staggered, mesh size is 0.5mm × 0.5mm.
Described vegetable layer is mixed by the corn straw pulverized, wheat straw, a small amount of fertilizer and grass seeds, its each constituent mass
Percentage ratio is: corn straw: 58.5-60.5%, wheat straw: 31.5-33.5%, fertilizer: 4.5-6.5%, grass seeds: 1.0-3.0%.
Described nutritive layer is made up of modified sewage sludge, and modified sewage sludge is generated through ultraviolet mutagenesis by common acclimation sludge, its
The common acclimation sludge of COD degradation speed ratio improves 24.1mgCOD/(gMLSS·h).One layer of bacterium it is sprayed with on described modified sewage sludge
Agent, this microbial inoculum is mixed by blown-ball Azotobacter, LX-2 bacterium and bacillus cereus, and its ratio is 1:0.4-0.8:0.5-0.7, wherein
Blown-ball Azotobacter can fix the nitrogen in air as bacterial fertilizer, promotes the growth of vegetation；LX-2 bacterium can effectively drop
Solving COD, degradation rate is about 84%；Bacillus cereus can produce abundant metabolism product, has moisturizing, antibacterial, deodorization etc. simultaneously
Function.
Described protective layer is made up of the wheat straw pulverized, and thickness is about 1.0cm.
In order to strengthen the integrally-built fastness of composite plant cover blanket and stability, the edge of composite plant cover blanket is sewn formation
Integrally, being sewed with rhombus ruggedized construction in the plane of composite plant cover blanket, cusir is linen thread, and superstructure layer and lower floor tie
Structure layer is fixed respectively by the way of sewing.
It is a further object to provide a kind of ecological restoring method, have employed described biological activity municipal sewage
Treatment plant's excess sludge matrix composite vegetation blanket, including following construction procedure:
(1) preparation of construction: according to construction requirement, carry out instrument preparation, personnel assignment, measurement preparation and the skill needed for construction in advance
Art prepares；
(2) domatic cleaning: removing the rock of domatic upper air slaking, grass roots, rubbish etc. as requested, to be unfavorable for that vegetation blanket is laid miscellaneous
Matter, keeps domatic smooth, it is simple to vegetation blanket and domatic laminating, and digs groove at the place that stretches out on domatic top, this groove
Fix buried depth as vegetation blanket to use；
(3) surveying and locating: fixing point position, surveying setting-out, specifies the laying scope of vegetation blanket, carries out with the size of vegetation blanket width
Labelling, and the position of the U-shaped nail of labelling, and according to measuring the vegetation blanket manufacturing suitable specification；
(4) laying vegetation blanket: carried out from top to bottom by side slope during laying, top vegetation blanket should stretch out to be placed in when laying and dig out
Groove in, and be close to groove lay；Then earthing landfill, and with U-shaped nail fixation；Vegetation blanket is laid with left and right directions
Time, left and right vegetation blanket to fit tightly, and can overlap if desired and to be close to domatic, and lap-joint uses U-shaped nail to fix；
(5) maintenance: the maintenance of this vegetation blanket be divided into into level ground before maintenance with become maintenance behind level ground, before Cheng Ping, maintenance mainly ensures plant
Grass seeds can normally germinate, it is ensured that moistening of vegetation blanket, waters the most repeatedly, when vegetation germinates and grows to 4cm-6cm
To remove weeds in time, and the location having defect is repaired；After Cheng Ping, maintenance will be according to the change of Various Seasonal throughout the year
The upgrowth situation of change feature and vegetation carries out maintenance, to ensure the normal growth of vegetation.
Compare compared with vegetation blanket, the invention have the advantage that the principle adhering to waste reclaimation completely, all material
Can increase soil nutrient by natural degradation, modified sewage sludge can increase the soil organism simultaneously, improves soil quality, and energy
Enough rainwater and sanitary sewage are processed, pollutant therein of degrading.Owing to straw, flaxen fiber belong to natural plants fiber,
Its thermal conductivity coefficient, between 0.070W/ (m K)-0.085W/ (m K), therefore has the function of preferably insulation, and its water storage
Performance is very good, can store the moisture of about 50%-60%, can either save irrigation water, process in water for modified sewage sludge again
Pollutant provide environment.The soil water evaporation suppression ratio of improving straw mulching is about about 75% simultaneously, and the soil naturally covered
Evaporation suppression ratio only has about 37%, and therefore soil moisture conservation effect is notable.On the whole, this vegetation blanket have insulation, water conservation, soil moisture conservation and
The advantages such as Stability Analysis of Structures, and overall structure is easily understood, simple for production.
Accompanying drawing explanation
Fig. 1 is the structural representation of composite plant cover blanket of the present invention.
Fig. 2 is the plane graph of composite plant cover blanket of the present invention.
Fig. 3 is the construction schematic diagram of composite plant cover blanket of the present invention.
In figure: 1, superstructure layer；2, vegetable layer；3, nutritive layer；4, protective layer；5, understructure layer；6, diamond structure；
7, the edge of composite plant cover blanket；8, U-shaped nail；9, composite plant cover blanket.
Detailed description of the invention
Biological activity excess sludge of municipal sewage plant matrix composite vegetation blanket as shown in Figure 1, from top to bottom by upper
Rotating fields layer 1, vegetable layer 2, nutritive layer 3, protective layer 4 and understructure layer 5 are constituted.
Described superstructure layer 1 and understructure layer 5 are all that after being reclaimed by the gunnysack discarded, produced flaxen fiber is compiled
The grid component knitted.Described flaxen fiber length average out to 30mm-35mm, fineness is 0.4-0.7g/km.Described is upper and lower
The surface mesh of double-layer structure layer is the square mesh that is staggered, and mesh size is 0.5mm × 0.5mm.
Described vegetable layer 2 is mixed by the corn straw pulverized, wheat straw, a small amount of fertilizer and grass seeds, its each component matter
Amount percentage ratio is: corn straw: 58.5-60.5%, wheat straw: 31.5-33.5%, fertilizer: 4.5-6.5%, grass seeds: 1.0-3.0%.
Described nutritive layer 3 is made up of modified sewage sludge, and modified sewage sludge is generated through ultraviolet mutagenesis by common acclimation sludge, its
The common acclimation sludge of COD degradation speed ratio improves 24.1mgCOD/(gMLSS·h).One layer of bacterium it is sprayed with on described modified sewage sludge
Agent, this microbial inoculum is mixed by blown-ball Azotobacter, LX-2 bacterium and bacillus cereus, and its ratio is 1:0.4-0.8:0.5-0.7, wherein
Blown-ball Azotobacter can fix the nitrogen in air as bacterial fertilizer, promotes the growth of vegetation；LX-2 bacterium can effectively drop
Solving COD, degradation rate is about 84%；Bacillus cereus can produce abundant metabolism product, has the merit such as moisturizing, antibacterial, deodorization
Energy.
Described protective layer 4 is made up of the wheat straw pulverized, and thickness is about 1.0cm.
Described biological activity excess sludge of municipal sewage plant matrix composite vegetation blanket has been constructed by streamline, arranges
Line speed be 8 seconds 1 meter, lay understructure layer 5, then lay protective layer 4, arranging wheat straw discharging speed is 200g/s,
Protective layer 4 thickness is about 0.5cm-1.0cm, then lays nutritive layer 3, and arranging modified sewage sludge discharging speed is 800g/s, lays
Thickness is about 2cm, and sprays mixed vaccine microbial inoculum after laying nutritive layer；Then vegetable layer 2, the straw pulverized in vegetable layer 2 are laid
Stalk, grass seeds and a small amount of fertilizer mix homogeneously the most in the machine, discharging speed is about 240g/s；Finally superstructure layer 1 is covered
Cover on vegetable layer 2, and carry out sewing, reinforcing along with transmitting band edge operation limit.
As in figure 2 it is shown, in order to strengthen the integrally-built fastness of composite plant cover blanket and stability, the edge of composite plant cover blanket
7 are sewn formation one, and the plane of composite plant cover blanket is stitched out, by loom, the diamond structure 6 that the length of side is 10cm and reinforced, and reinforces
After completing, this vegetation blanket is carried out light compression process.
A kind of ecological restoring method, have employed described biological activity excess sludge of municipal sewage plant matrix composite and plants
By blanket, including following construction procedure:
(1) preparation of construction: according to construction requirement, carry out instrument preparation, personnel assignment, measurement preparation and the skill needed for construction in advance
Art prepares；
(2) domatic cleaning: removing the rock of domatic upper air slaking, grass roots, rubbish etc. as requested, to be unfavorable for that vegetation blanket is laid miscellaneous
Matter, keeps domatic smooth, it is simple to vegetation blanket and domatic laminating, and dig at domatic top stretches out 10cm a width of 20cm,
It is the groove of 30cm deeply, fixes buried depth as vegetation blanket and use；
(3) surveying and locating: fixing point position, surveying setting-out, specifies the laying scope of vegetation blanket, enters with the size of vegetation blanket width 2m
Line flag, and the position of the U-shaped nail of labelling 8, and according to measuring the vegetation blanket manufacturing suitable specification.Final remaining exposed corner by
Manually carry out earthing, sow grass seeds process；
(4) vegetation blanket is laid: carried out from top to bottom by side slope during laying, as it is shown on figure 3, should be to extension when top vegetation blanket is laid
Stretch 30cm to 40cm, be placed in the groove dug out, and be close to groove and lay, then earthing landfill, and with the fixation of U-shaped nail 8,
U-shaped nail dimension is 15cm, and when laying vegetation blanket, left and right vegetation blanket to fit tightly, and can overlap 1cm, and slope to be close to if desired
Face, lap-joint uses U-shaped nail to fix, and between U-shaped nail, interval is about 50cm, it is ensured that vegetation blanket fully contacts with domatic, it is simple to plant
Thing is taken root.Vegetation blanket is laid the most not tight, open and flat smooth, attractive in appearance without wrinkle with unsettled phenomenon.Lay such as lower section and run into
Obstinate rock, then can use electric drill to hole, and then uses steel nail to fix surrounding vegetation blanket；
(5) maintenance: the maintenance of this vegetation blanket be divided into into level ground before maintenance with become maintenance behind level ground, before Cheng Ping, maintenance mainly ensures plant
Grass seeds can normally germinate, it is ensured that moistening of vegetation blanket, waters the most repeatedly, when vegetation germinates and grows to 4cm-6cm
To remove weeds in time, and the location having defect is repaired；After Cheng Ping, maintenance will be according to the change of Various Seasonal throughout the year
The upgrowth situation of change feature and vegetation carries out maintenance, the normal growth of such guarantee vegetation, creates one more for people
Good days environment.
The principle of the invention: this biological activity excess sludge of municipal sewage plant matrix composite vegetation blanket selects flaxen fiber to make
For structure sheaf, reason is flaxen fiber length and tough and tensile is prone to weaving, and its length is about 30mm-35mm, and fineness is 0.4-0.7g/
Km, basic chemical composition is cellulose, the same with protective layer as vegetable layer with the straw after selected pulverizing, and they broadly fall into certainly
So Plant fiber, has water storage function well, and moisture storage capacity is about 50%-60%, has both saved irrigation water, is again activated sludge
The pollutant processed in water provide environment well.And they can natural degradation, its be contained within abundance nitrogen, phosphorus, potassium,
Calcium, magnesium and organic matter, the product after degraded can be that vegetation supplies nutrients.In addition, the thermal conductivity coefficient of straw is at 0.070W/
Between (m K)-0.085W/ (m K), there is good heat insulation function, simultaneously the soil water evaporation suppression ratio of improving straw mulching
Being about about 75%, soil moisture conservation function is good.Modified sewage sludge in nutritive layer can improve the degradation rate of COD, and the bacterium sprayed
Agent has nitrogen-fixing bacteria, LX-2(COD degradation bacteria), bacillus cereus, both can promote the ecological circulation in soil and the shape of humus
Become, improve soil quality, the growth of vegetation can be promoted again.And it also plays certain promotion and makees the decomposition and inversion of straw
With, it is possible to accelerate material exchange and the transmission of energy of local soil.Local water quality is also functioned to certain improvement result.
Claims (9)
1. biological activity excess sludge of municipal sewage plant matrix composite vegetation blanket, it is characterised in that: from top to bottom by upper strata
Structure sheaf, vegetable layer, nutritive layer, protective layer and understructure layer are constituted.
2. biological activity excess sludge of municipal sewage plant as claimed in claim 1 matrix composite vegetation blanket, its feature exists
In: described superstructure layer and understructure layer are woven and are formed carpet surface respectively by flaxen fiber, and carpet is network structure, net
Hole is staggered.
3. biological activity excess sludge of municipal sewage plant as claimed in claim 1 or 2 matrix composite vegetation blanket, its feature
It is: described superstructure layer and understructure layer are to fix by the way of sewing respectively, and cusir is linen thread.
4. biological activity excess sludge of municipal sewage plant as claimed in claim 1 matrix composite vegetation blanket, its feature exists
In: described vegetable layer is to be mixed by the corn straw after pulverizing, wheat straw, grass seeds and fertilizer.
5. biological activity excess sludge of municipal sewage plant as claimed in claim 1 matrix composite vegetation blanket, its feature exists
In: described nutritive layer is to be made up of modified active mud.
6. biological activity excess sludge of municipal sewage plant as claimed in claim 5 matrix composite vegetation blanket, its feature exists
In: described modified active mud is sprayed with the mixed vaccine being made up of blown-ball Azotobacter, LX-2 bacterium and bacillus cereus, its quality
Ratio is 1:0.4-0.8:0.5-0.7.
7. biological activity excess sludge of municipal sewage plant as claimed in claim 1 matrix composite vegetation blanket, its feature exists
In: described protective layer is to be made up of the wheat straw pulverized.
8. biological activity excess sludge of municipal sewage plant as claimed in claim 1 matrix composite vegetation blanket, its feature exists
In: the edge of composite plant cover blanket is sewn formation one, is sewed with rhombus ruggedized construction, sewing yarn in the plane of composite plant cover blanket
Line is linen thread.
9. an ecological restoring method, have employed the biological activity municipal sewage plant residue dirt as described in right 1-8 is arbitrary
Mud matrix composite vegetation blanket, it is characterised in that include following construction procedure:
(1) preparation of construction: according to construction requirement, carry out instrument preparation, personnel assignment, measurement preparation and the skill needed for construction in advance
Art prepares；
(2) domatic cleaning: removing the rock of domatic upper air slaking, grass roots, rubbish etc. as requested, to be unfavorable for that vegetation blanket is laid miscellaneous
Matter, keeps domatic smooth, it is simple to vegetation blanket and domatic laminating, and digs groove at the place that stretches out on domatic top, this groove
Fix buried depth as vegetation blanket to use；
(3) surveying and locating: fixing point position, surveying setting-out, specifies the laying scope of vegetation blanket, carries out with the size of vegetation blanket width
Labelling, and the position of the U-shaped nail of labelling, and according to measuring the vegetation blanket manufacturing suitable specification；
(4) laying vegetation blanket: carried out from top to bottom by side slope during laying, top vegetation blanket should stretch out to be placed in when laying and dig out
Groove in, and be close to groove lay；Then earthing landfill, and with U-shaped nail fixation；Vegetation blanket is laid with left and right directions
Time, left and right vegetation blanket to fit tightly, and can overlap if desired and to be close to domatic, and lap-joint uses U-shaped nail to fix；
(5) maintenance: the maintenance of this vegetation blanket be divided into into level ground before maintenance with become maintenance behind level ground, before Cheng Ping, maintenance mainly ensures plant
Grass seeds can normally germinate, it is ensured that moistening of vegetation blanket, waters the most repeatedly, when vegetation germinates and grows to 4cm-6cm
To remove weeds in time, and the location having defect is repaired；After Cheng Ping, maintenance will be according to the change of Various Seasonal throughout the year
The upgrowth situation of change feature and vegetation carries out maintenance, to ensure the normal growth of vegetation.
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| CN201610669569.6A CN106258412A (en) | 2016-08-16 | 2016-08-16 | Biological activity excess sludge of municipal sewage plant matrix composite vegetation blanket and application |
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| CN201610669569.6A CN106258412A (en) | 2016-08-16 | 2016-08-16 | Biological activity excess sludge of municipal sewage plant matrix composite vegetation blanket and application |
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| CN201610669569.6A Pending CN106258412A (en) | 2016-08-16 | 2016-08-16 | Biological activity excess sludge of municipal sewage plant matrix composite vegetation blanket and application |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106717977A (en) * | 2017-01-10 | 2017-05-31 | 河南华美生态环境科技股份有限公司 | The construction method of one vegetation blanket and vegetation blanket |
| CN107165175A (en) * | 2017-05-23 | 2017-09-15 | 辽宁科霖环保科技服务有限公司 | A kind of quick planting earth working material of the active slag mountain bank protection of environment protection biological |
| CN107306645A (en) * | 2017-08-04 | 2017-11-03 | 天津亚德尔生物质科技有限公司 | A kind of charcoal roadbed adsorbs vegetation |
| CN110150038A (en) * | 2019-05-24 | 2019-08-23 | 中国环境科学研究院 | A kind of fiber biological blanket with ecological purification function for sloping bank |
| GB2570649B (en) * | 2018-01-29 | 2022-09-07 | Greaves Patrick | Compositions |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106717977A (en) * | 2017-01-10 | 2017-05-31 | 河南华美生态环境科技股份有限公司 | The construction method of one vegetation blanket and vegetation blanket |
| CN107165175A (en) * | 2017-05-23 | 2017-09-15 | 辽宁科霖环保科技服务有限公司 | A kind of quick planting earth working material of the active slag mountain bank protection of environment protection biological |
| CN107306645A (en) * | 2017-08-04 | 2017-11-03 | 天津亚德尔生物质科技有限公司 | A kind of charcoal roadbed adsorbs vegetation |
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| CN110150038A (en) * | 2019-05-24 | 2019-08-23 | 中国环境科学研究院 | A kind of fiber biological blanket with ecological purification function for sloping bank |
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Application publication date: 20170104 |