CN211091061U - Thermal spraying system - Google Patents
Thermal spraying system Download PDFInfo
- Publication number
- CN211091061U CN211091061U CN201921593695.3U CN201921593695U CN211091061U CN 211091061 U CN211091061 U CN 211091061U CN 201921593695 U CN201921593695 U CN 201921593695U CN 211091061 U CN211091061 U CN 211091061U
- Authority
- CN
- China
- Prior art keywords
- matrix layer
- spray
- seed layer
- heating
- seeding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The utility model discloses a hot spray-seeding system, including side slope preliminary treatment, the net hanging is fixed, matrix layer raw materials processing, matrix layer raw materials filler, hot spray-seeding machine heating stirring, matrix layer mix the material and filter unloading, the matrix layer is spouted and is broadcast, matrix layer maintenance, seed layer raw materials processing, seed layer raw materials filler, normal atmospheric temperature stirring, seed layer mix the material and filter unloading, seed layer is spouted and is broadcast, seed layer maintenance, its characterized in that, hot spray-seeding machine that hot spray-seeding machine heating stirring adopted, including feed inlet, first filter disc, hot stirring storehouse, secondary filter dish, discharge gate, pumping system, hot spray gun, protection system. The utility model discloses break through traditional normal atmospheric temperature spray seeding technique, carry out heat treatment to spray seeding matrix layer mixture before spray seeding, utilize the nature of fibre hot melt net-forming, increased the gas permeability and the holding power of soil, and matrix layer design ability and bonding ability are strong, combine closely with former domatic, have extremely strong environment and resist the ability.
Description
Technical Field
The utility model relates to a spray seeding afforestation technical field, in particular to hot spray seeding system.
Background
At present, the alien soil spray-seeding technology is one of the most mainstream repairing technologies for slope greening repair at present, but the traditional alien soil spray-seeding technology mixes spray-seeding matrix at normal temperature for spray-seeding, in order to achieve higher soil cohesiveness and stability and ensure the cohesiveness of the matrix sprayed with a slope body, a large amount of chemical agents such as granulating agent, stabilizer, binder, water-retaining agent and the like are added into the spray-seeding matrix, the addition of the agents greatly increases the viscosity inside the soil, the soil forms a granule cohering structure, the original structure of the soil is changed, the porosity of the soil is reduced, thus the air permeability and water retention of the soil are greatly reduced, the growth of plant roots is very unfavorable, on the other hand, although a large amount of chemical agents are used, the soil and the slope body cannot be tightly combined, the environmental tolerance of the matrix sprayed at normal temperature is poor, the contact surface of the substrate layer and the original slope surface is easy to generate a gap in an extreme environment, and the phenomena of falling off, landslide and the like of the whole spray seeding substrate are easy to occur under the influence of extreme weather such as heavy rain and the like.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to overcome the above-mentioned shortcomings in the prior art, and to provide a thermal spraying system to solve the above-mentioned problems in the prior art.
The technical scheme of the utility model is realized like this:
a thermal spraying system comprises side slope pretreatment, net hanging fixation, substrate layer raw material treatment, substrate layer raw material filling, thermal spraying machine heating stirring, substrate layer mixing and filtering discharging, substrate layer spraying, substrate layer curing, seed layer raw material treatment, seed layer raw material filling, normal temperature stirring, seed layer mixing and filtering discharging, seed layer spraying and curing, wherein the thermal spraying machine adopted by the thermal spraying machine heating stirring comprises a feeding hole, a primary filter disc, a thermal stirring bin, a discharging hole, a pumping system, a thermal spraying gun and a protection system.
Further, the slope pretreatment comprises a reinforcement project, a leveling project and a cleaning project, so that the slope is stable and flat.
Furthermore, the fixing of the hanging net can determine the type and the number of the hanging net layers according to the high degree, the stability degree, the soil body property and the loosening degree of the side slope.
Further, the substrate layer raw material treatment comprises solid raw material powder, hot melt fiber shearing and proportioning, and liquid raw material blending.
Furthermore, materials containing plant fibers, such as agricultural and forestry waste materials, industrial home decoration and other corner waste materials, straws, rice hulls, rice husks and the like, need to be added into the raw material filler of the matrix layer.
Further, the heating modes of the hot spraying seeder for heating and stirring comprise water bath heating, steam heating, solar heating, high-pressure heating and the like.
Further, the heating temperature for heating and stirring the hot-spraying seeder can be set according to the heating mode of the hot-spraying seeder and the hot-melting temperature of the hot-melting fibers.
Further, the seed layer raw material processing comprises mixing of solid raw material powder and liquid raw material.
Further, all the pipes of the pumping system are heat-insulating materials.
Further, the protection system comprises scald preventing equipment such as a protection cover of the spray gun head and protective gloves of constructors.
The utility model has the advantages that:
1. the utility model discloses break through the mode that traditional spray-seeding technique adopted normal atmospheric temperature matrix directly to spray-seeding, carry out heat treatment to spray-seeding matrix layer mixture before spray-seeding, add hot melt fibre in matrix layer mixture, the temperature reaches its melting point temperature in the stirring storehouse of hot spray-seeding machine, this fibre will melt and carry out effective connection with the vegetable fibre in the matrix layer mixture, along with hot spray gun sprays together to treating to restore behind the string net slope surface, rapidly with the net at normal atmospheric temperature, with vegetable fibre, carry out the cementation shaping with former domatic.
2. The utility model discloses a two most common problems of normal atmospheric temperature spray-seeding are effectively improved to this kind of heat treatment mode: firstly, in order to increase the cohesiveness of the matrix in normal temperature spray seeding, a large amount of chemical agents, such as granulating agents, stabilizers, binders and the like, need not to be added into the base matrix layer in thermal spray seeding, and the nature of hot melt net formation of fibers is utilized, namely, the natural ecological state of the spray seeding soil is kept, and meanwhile, the air permeability and water retention capacity of the soil are increased; secondly, the environmental tolerance of matrix is poor after normal temperature spray seeding, and the subbase stratum is easy to produce the clearance with former domatic contact surface under extreme environment to lead to whole spray seeding matrix to drop, landslide, the subbase stratum setting ability and the adhesive force after adopting hot spray seeding are extremely strong, can with former domatic close coupling, have extremely strong environmental resistance ability.
3. The utility model discloses a double-deck matrix layer is spouted and is broadcast, only heats the stirring to the matrix layer mixture, plays the effect of high-temperature sterilization to the matrix layer mixture, and the seed layer adopts the normal atmospheric temperature to spout simultaneously and broadcasts the growing environment that does not influence the seed germination phase, and along with seed growth develops, its root system is flourishing back, and during the root system extended the matrix layer, further twined and coiled with each type of fibre in each matrix layer, played effectual reinforcement effect to the seed layer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic flow chart of a thermal spraying system of the present invention.
In the figure, 1-slope pretreatment, 2-net hanging fixation, 3-matrix layer raw material treatment, 4-matrix layer raw material filling, 5-hot spray seeding machine heating and stirring, 6-matrix layer stirring and filtering blanking, 7-matrix layer spray seeding, 8-matrix layer curing, 9-seed layer raw material treatment, 10-seed layer raw material filling, 11-normal temperature stirring, 12-seed layer stirring and filtering blanking, 13-seed layer spray seeding and 14-seed layer curing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the technical solution of the present invention is realized as follows:
a thermal spraying system comprises slope pretreatment 1, net hanging fixation 2, substrate layer raw material treatment 3, substrate layer raw material filling 4, thermal spraying machine heating and stirring 5, substrate layer mixing and filtering blanking 6, substrate layer spraying 7, substrate layer maintenance 8, seed layer raw material treatment 9, seed layer raw material filling 10, normal temperature stirring 11, seed layer mixing and filtering blanking 12, seed layer spraying 13 and seed layer maintenance 14.
The slope pretreatment 1 comprises a reinforcement project, a leveling project and a cleaning project, so that the slope is stable and flat.
The net fixing device 2 can determine the type and the number of the net layers according to the high degree, the stability degree, the soil body property and the loosening degree of the side slope.
The substrate layer raw material treatment 3 comprises solid raw material powder, hot melt fiber shearing and proportioning, and liquid raw material blending.
Materials containing plant fibers, such as agricultural and forestry waste materials, industrial home decoration and other corner waste materials, straws, rice hulls, rice husks and the like, need to be added into the raw material filler 4 of the matrix layer.
The heating modes of the heating and stirring device 5 of the hot spraying seeder comprise water bath heating, steam heating, solar heating, high-pressure heating and the like.
The heating temperature of the hot spraying seeder for heating and stirring 5 can be set according to the heating mode of the hot spraying seeder and the hot melting temperature of the hot melting fiber.
The seed layer raw material treatment 9 comprises blending of solid raw material powder and liquid raw material.
The pumping system adopts all pipes as heat-insulating materials.
The protection system comprises scald preventing equipment such as a protection cover of the spray gun head and protective gloves of constructors.
Example 1
The present embodiment provides a thermal spray system comprising the steps of:
(1) slope pretreatment 1:
carrying out slope pretreatment on a slope of a magnesite slope restoration project, wherein the slope pretreatment comprises the steps of cleaning larger pumice from top to bottom and reinforcing an unstable slope body;
(2) fixing the hanging net 2:
according to the slope height, the stability, the soil property and the loosening degree of a certain magnesite slope restoration project, a three-dimensional net is paved from top to bottom, and is fixed on the surface of the slope by adopting a U-shaped anchoring part;
(3) matrix layer raw material treatment 3:
modifying the hot-melt fibers, shearing the hot-melt fibers into three different lengths of 4mm, 7mm and 12mm, pretreating the wood fibers, blending the effective nutrient contents of nitrogen, phosphorus and potassium in the compound fertilizer to be more than or equal to 28%, and sieving all raw materials of a matrix layer by a 5-mesh sieve;
(4) matrix layer raw material filler 4:
the matrix layer comprises the following components in percentage by mass: 0.6 part of modified hot-melt fiber, 6 parts of pretreated wood fiber, 8 parts of light ceramsite, 50 parts of soil, 30 parts of dried biogas residue and 3 parts of compound fertilizer are uniformly mixed and placed into a feed inlet of a thermal spraying machine, and enter a thermal stirring bin through a primary filter disc;
(5) heating and stirring by a hot spraying seeder 5:
adding clear water accounting for 20% of the total mass of the raw materials of the matrix layer, stirring thoroughly, heating and stirring for 25 min;
(6) stirring materials by a matrix layer, filtering and blanking 6:
the stirred substrate layer mixture enters a discharge port through a secondary filter disc and is sent to a thermal spray gun through a pumping system;
(7) matrix layer spray seeding 7:
workers wear protective gloves, put the protective covers on the thermal spray guns, and spray the mixture of the matrix layer on the surface of the magnesite slope, wherein the spraying thickness of the matrix layer is 3 cm;
(8) curing the matrix layer 8:
after the matrix layer is sprayed, no treatment is carried out, the matrix layer is naturally cooled to normal temperature, water is immediately sprayed for maintenance, water is sprayed for maintenance once every 1-2 days, and spraying of the seed layer is waited;
(9) seed layer raw material treatment 9:
pretreating wood fiber, blending the effective nutrient content of nitrogen, phosphorus and potassium in the compound fertilizer to be more than or equal to 36%, and sieving all raw materials of a matrix layer with a 4-mesh sieve;
(10) seed layer raw material filler 10:
the seed layer is prepared by the following steps of: 1 part of modified polyacrylamide, 4 parts of pretreated wood fiber, 11 parts of biogas residue, 40 parts of peat soil, 40 parts of dried sludge and 2 parts of compound fertilizer are uniformly mixed and placed into a feed inlet of a thermal spraying machine, and enter a thermal stirring bin through a primary filter disc;
(11) stirring at normal temperature 11:
adding clear water accounting for 25% of the total mass of the seed layer raw materials, fully and uniformly stirring, and stirring for 5min at normal temperature;
(12) seed layer mixing, filtering and blanking 12:
the stirred seed layer mixture enters a discharge port through a secondary filter disc and is sent to a thermal spray gun through a pumping system;
(13) seed layer spray seeding 13:
a worker holds a thermal spray gun by hand to spray the seed layer mixture on the surface of the matrix layer, and the spraying thickness of the seed layer is 3 cm;
(14) seed layer maintenance 14:
and immediately watering and curing the seed layer after the seed layer is sprayed, and watering and curing the seed layer in the morning and at night every day later.
The magnesite slope restoration project has no slip and erosion phenomena on the slope after one year, and the survival rate of plants reaches 95 percent.
Example 2
The present embodiment provides a thermal spray system comprising the steps of:
(1) slope pretreatment 1:
carrying out slope pretreatment on a slope of a boron mud yard restoration project, including cleaning up impurities such as pumice, garbage and the like on the slope;
(2) fixing the hanging net 2:
according to the slope height degree, the stability degree, the soil body property and the loosening degree of a certain boron mud yard restoration project, two layers of jute nets are laid from top to bottom, and the jute nets are fixed on the surface of a slope by anchoring parts;
(3) matrix layer raw material treatment 3:
modifying hot-melt fibers, shearing the hot-melt fibers into three different lengths of 4mm, 6mm and 11mm, pretreating wood fibers, blending the effective nutrient contents of nitrogen, phosphorus and potassium in the compound fertilizer to be more than or equal to 29%, sieving all raw materials of a matrix layer by a 4-mesh sieve, and blending the citric acid to be 0.1 mol/L;
(4) matrix layer raw material filler 4:
the matrix layer comprises the following components in percentage by mass: 0.7 part of modified hot melt fiber, 5 parts of agricultural and forestry waste powder grinding, 10 parts of light ceramsite, 45 parts of turf soil, 35 parts of dried biogas residue and 3 parts of compound fertilizer are uniformly mixed and put into a feed port of a hot spraying machine, and enter a hot stirring bin through a primary filter disc;
(5) heating and stirring by a hot spraying seeder 5:
adding clear water 22% and citric acid 3% of the total mass of the matrix layer raw materials, stirring, heating, and stirring for 30 min;
(6) stirring materials by a matrix layer, filtering and blanking 6:
the stirred substrate layer mixture enters a discharge port through a secondary filter disc and is sent to a thermal spray gun through a pumping system;
(7) matrix layer spray seeding 7:
workers wear protective gloves and put the protective cover on the thermal spray gun, and then the mixture of the matrix layer is sprayed on the surface of the side slope of the boron mud storage yard, and the spraying thickness of the matrix layer is 4 cm;
(8) curing the matrix layer 8:
after the matrix layer is sprayed, no treatment is carried out, the matrix layer is naturally cooled to normal temperature, water is immediately sprayed for maintenance, water is sprayed for maintenance once every 1-2 days, and spraying of the seed layer is waited;
(9) seed layer raw material treatment 9:
pretreating wood fiber, blending the effective nutrient content of nitrogen, phosphorus and potassium in the compound fertilizer to be more than or equal to 35%, and sieving all raw materials of a matrix layer with a 5-mesh sieve;
(10) seed layer raw material filler 10:
the seed layer is prepared by the following steps of: 0.9 part of modified polyacrylamide, 7 parts of agricultural and forestry waste powder mill, 9 parts of biogas residue, 43 parts of peat soil, 27 parts of dried sludge and 2 parts of compound fertilizer are uniformly mixed and put into a feed port of a thermal spraying machine, and enter a thermal stirring bin through a primary filter disc;
(11) stirring at normal temperature 11:
adding clear water accounting for 28% of the total mass of the seed layer raw materials, fully and uniformly stirring, and stirring for 8min at normal temperature;
(12) seed layer mixing, filtering and blanking 12:
the stirred seed layer mixture enters a discharge port through a secondary filter disc and is sent to a thermal spray gun through a pumping system;
(13) seed layer spray seeding 13:
a worker holds a thermal spray gun by hand to spray the seed layer mixture on the surface of the matrix layer, and the spraying thickness of the seed layer is 2-3 cm;
(14) seed layer maintenance 14:
and immediately watering and curing the seed layer after the seed layer is sprayed, and watering and curing the seed layer in the morning and at night every day later.
The slope body does not slide or erode after one year of the boron mud storage yard repairing project, and the survival rate of the plants reaches 94 percent.
Example 3
The present embodiment provides a thermal spray system comprising the steps of:
(1) slope pretreatment 1:
carrying out slope pretreatment on a slope of a highway slope restoration project, wherein the slope pretreatment comprises the steps of cleaning the original plant waste soil roots from top to bottom and reinforcing an unstable slope body;
(2) fixing the hanging net 2:
according to the slope height, the stability, the soil property and the looseness of a certain highway slope restoration project, a metal net is paved from top to bottom, and is fixed on the surface of the slope through an anchoring part;
(3) matrix layer raw material treatment 3:
modifying the hot-melt fibers, shearing the hot-melt fibers into three different lengths of 4mm, 7mm and 12mm, pretreating the wood fibers, blending the effective nutrient contents of nitrogen, phosphorus and potassium in the compound fertilizer to be more than or equal to 28%, and sieving all raw materials of a matrix layer with a 4-mesh sieve;
(4) matrix layer raw material filler 4:
the matrix layer comprises the following components in percentage by mass: 1 part of modified hot-melt fiber, 4 parts of pretreated wood fiber, 11 parts of light ceramsite, 40 parts of soil, 40 parts of dried biogas residue and 2 parts of compound fertilizer are uniformly mixed and placed into a feed inlet of a thermal spraying machine, and enter a thermal stirring bin through a primary filter disc;
(5) heating and stirring by a hot spraying seeder 5:
adding clear water accounting for 27% of the total mass of the raw materials of the matrix layer, stirring uniformly, heating and stirring for 35 min;
(6) stirring materials by a matrix layer, filtering and blanking 6:
the stirred substrate layer mixture enters a discharge port through a secondary filter disc and is sent to a thermal spray gun through a pumping system;
(7) matrix layer spray seeding 7:
workers wear protective gloves and sleeve the protective cover on the thermal spray gun, and then spray the mixture of the matrix layer on the surface of the highway side slope, wherein the spraying thickness of the matrix layer is 5 cm;
(8) curing the matrix layer 8:
after the matrix layer is sprayed, no treatment is carried out, the matrix layer is naturally cooled to normal temperature, water is immediately sprayed for maintenance, water is sprayed for maintenance once every 1-2 days, and spraying of the seed layer is waited;
(9) seed layer raw material treatment 9:
pretreating wood fiber, blending the effective nutrient content of nitrogen, phosphorus and potassium in the compound fertilizer to be more than or equal to 36%, and sieving all raw materials of a matrix layer with a 5-mesh sieve;
(10) seed layer raw material filler 10:
the seed layer is prepared by the following steps of: 0.6 part of modified polyacrylamide, 6 parts of pretreated wood fiber, 8 parts of biogas residue, 50 parts of peat soil, 30 parts of dried sludge and 3 parts of compound fertilizer are uniformly mixed and put into a thermal spraying machine from a feed inlet, and enter a thermal stirring bin through a primary filter disc;
(11) stirring at normal temperature 11:
adding clear water accounting for 27% of the total mass of the seed layer raw materials, fully and uniformly stirring, and stirring for 10min at normal temperature;
(12) seed layer mixing, filtering and blanking 12:
the stirred seed layer mixture enters a discharge port through a secondary filter disc and is sent to a thermal spray gun through a pumping system;
(13) seed layer spray seeding 13:
a worker holds a thermal spray gun by hand to spray the seed layer mixture on the surface of the matrix layer, and the spraying thickness of the seed layer is 3 cm;
(14) seed layer maintenance 14:
and immediately watering and curing the seed layer after the seed layer is sprayed, and watering and curing the seed layer in the morning and at night every day later.
After the highway side slope restoration project is carried out for one year, no sliding and erosion phenomena occur on the slope body, and the survival rate of plants reaches 96 percent.
The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A thermal spraying system comprises a thermal spraying machine and is characterized in that the thermal spraying machine comprises a feeding hole, a primary filter disc, a thermal stirring bin, a secondary filter disc, a discharging hole, a pumping system, a thermal spraying gun and a protection system.
2. The thermal spraying system of claim 1, wherein the heating means for heating and stirring the thermal sprayer comprises one or more of water bath heating, steam heating, solar heating and high-pressure heating.
3. A thermal spraying system according to claim 1, wherein the heating temperature of the thermal spraying machine heating agitation is set according to the heating manner of the thermal spraying machine and the hot melt temperature of the hot melt fiber.
4. A thermal spraying system as claimed in claim 1, wherein the pumping system employs thermal insulation for all of the pipes.
5. A thermal spray system as claimed in claim 1, wherein the protection system comprises a scald-preventing apparatus comprising a protective cover for the spray gun head and protective gloves for the construction personnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921593695.3U CN211091061U (en) | 2019-09-24 | 2019-09-24 | Thermal spraying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921593695.3U CN211091061U (en) | 2019-09-24 | 2019-09-24 | Thermal spraying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211091061U true CN211091061U (en) | 2020-07-28 |
Family
ID=71714217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921593695.3U Active CN211091061U (en) | 2019-09-24 | 2019-09-24 | Thermal spraying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211091061U (en) |
-
2019
- 2019-09-24 CN CN201921593695.3U patent/CN211091061U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103262692B (en) | Water retention and fertilizer retention artificial soil spray seeding greening method | |
| CN101317523A (en) | Shrub and grass mix seeding type side slope ecological renovation method | |
| CN111328642A (en) | Full-ecological slope spray seeding structure and construction method | |
| CN110089353A (en) | A kind of hard side slope greening restoration method | |
| CN103958443A (en) | Encapsulated nitrogen fertilizer composition with fire-extinguishing and fire-spread preventing option, corresponding method for manufacturing same and method of use thereof | |
| CN109220462A (en) | A kind of greening method of reclaiming of tailing side slope | |
| CN109601272B (en) | Revegetation method for slope with slag and gravel texture | |
| CN108243650A (en) | It is a kind of that the multiple green method of abandoned mine is strengthened using stabilisation sludge | |
| CN103265355A (en) | Plant growth matrix with high water retention for spray seeding revegetation and preparation method thereof | |
| CN108513874B (en) | Erosion-resistant vegetation recovery method for hillock side slope | |
| CN105900729A (en) | External-soil spray seeding matrix and preparation method thereof | |
| CN104782374A (en) | Side slope water and soil conservation and ecological restoration technology based on function materials | |
| CN102674962A (en) | Matrix formula suitable for recovering ion type rare earth tailings vegetation | |
| CN103804072B (en) | Intelligent nutrition matrix | |
| CN110367080B (en) | Soilless spray seeding matrix and application method thereof | |
| CN108547307A (en) | Protecting slope ecology method based on artificial loam | |
| CN102301908B (en) | Method for planting Orychophragmus violaceus on side slope | |
| CN109626950A (en) | Ecological slope protection concrete and its construction method | |
| CN109601273A (en) | A kind of soil-free broken stone surface vegetation restoration methods | |
| CN110463526B (en) | Hot spraying method | |
| CN102816019A (en) | Fertilizer special for canola | |
| KR101294244B1 (en) | Greenification composition containing plant fiber, preparation thereof and mehthod for greenifying using the same | |
| CN211091061U (en) | Thermal spraying system | |
| CN105693333A (en) | Light media for vertical greening, preparation method and light compound media for vertical greening | |
| CN114600731B (en) | Lightweight material for steep slope vegetation recovery, preparation method and application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |