CN208691932U - The salt-soda soil soil structures of green plants waste building - Google Patents

Abstract

The utility model relates to the salt-soda soil soil structures of green plants waste building, including the stratobios charcoal separation layer (1) set gradually from bottom to top, middle layer organic substrate desalination improves layer (2), the big partial size aging organic coating layer (4) of superficial layer small particle aging organic coating layer (3) and surface layer.Compared with prior art, the utility model structure is simple, and each layer is to gather materials on the spot, economical and practical.

Description

The salt-soda soil soil structures of green plants waste building

Technical field

The utility model relates to city soil structures, more particularly, to the salt-soda soil soil body knot of green plants waste building Structure.

Background technique

China since land resources are in short supply and land resource protective awareness is thin, on the one hand many soils occur salination or Secondary salinization, another side since urban construction and development needs, build for city development by many salt-soda soils, wherein greening is this The problem that must be solved when a little salt-soda soil exploitations.Especially in China coast city, one side land resource is in short supply, many cities City expands city by way of blowing sea and building up fields can be using area, this part saline Land is serious, it is necessary to carry out soil improvement After could utilize.Another aspect East Coastal is the economically developed region in China, this urban is invaded due to closely seashore by seawater Erosion is serious, these coastal cities salinization of soils are seriously badly in need of improveing.

Green plants waste (greenery waste, yard trimming) is primarily referred to as green plants growth course The shrub lop (intermediate cutting object) of generation, lawn during dry branches and fallen leaves waste or virescence maintenance that middle natural renovation generates The vegetalitas obsolete material such as the showy flowers of herbaceous plants and weeds is discarded in lop, garden and flower bed.It is green as Urbanization in China develops Ground area sharply expands, and the amount of resulting green plants waste is also more and more, and rationally disposition is also current China Urgent need to solve the problem in urbanization process.It is cleaned since green plants waste has, the spy that safety and the content of organic matter are high Point, therefore its land use value is very high.Traditional green plants waste treatment recycles mode mainly to have compost and cover Two kinds of lid, the research now with charcoal development is goed deep into, and develops charcoal using green plants waste and also causes everybody Pay attention to, although green plants waste develops charcoal and improves its land use value, charcoal is using there is also at high cost The drawbacks of.And low temperature develops the simple and easy of charcoal primary product, although quality is not so good as the charcoal of high temperature development, cost It substantially reduces, and to soil improvement and adsorption effect also superior to general composting production.In addition it will be used to cover in the present invention Wood chip carry out aging process, and meet salt-soda soil application characteristic, there is following three points effect, be respectively as follows: and 1) improve wood The water suction and fertilizer conservation performance of piece improves the water holding capacity of salt-soda soil topsoil, after customer service salt-soda soil salinity is easily evaporated with moisture In the major obstacle that upper soll layer is built up；2) customer service wood chip directly covers existing C/N than high, easy competitive Adsorption soil nitrogen The drawbacks of leading to plant nitrogen stress, avoids aggravation saline-alkali soil nutrient imbalance；3) wood chip requires slightly below one to rotten degree for covering As directly use composting production in soil, and wood chip rotten degree is too high, perishable instead to be unfavorable for guaranteeing organic mat Service life；The present invention carries out aging disposition to wood chip and compares with traditional compost, and not only technique is more simple to operation, And also comply with the handling characteristics of organic mat.

Summary of the invention

The purpose of this utility model is exactly to provide green plants in order to overcome the problems of the above-mentioned prior art and discard The salt-soda soil soil structures of object building.

The purpose of this utility model can be achieved through the following technical solutions: the salt-soda soil of green plants waste building Soil structures, which is characterized in that including the stratobios charcoal separation layer (1) set gradually from bottom to top, middle layer organic substrate is de- Salt improves layer (2), the big partial size aging organic coating layer (4) of superficial layer small particle aging organic coating layer (3) and surface layer.

The stratobios charcoal separation layer (1) is made of layer of charcoal biological among upper layer and lower layer geotextiles sandwiched, with a thickness of 30cm。

The biological layer of charcoal is that the branch carbonization treatment of diameter 5cm or more obtains, which is existing Conventional silicon carbide processing method, for example, in retort in the state of relatively hypoxia carry out self-burning type dying fire smoulder 1 hour ( 250 DEG C) etc..

Gap location filling small particle wood chip or batten in the biological layer of charcoal.

The small particle wood chip or batten are the wood chip or batten that partial size is less than 2cm.

The thickness of middle layer organic substrate desalination improvement layer (2) is depending on planting plants type: arbor improvement is thick Degree sets the tall and big shrub improvement thickness in 1m or hat width greater than 0.8m in 60~100cm in 80~120cm, tree is high be less than 1m or Shrub improvement thickness of the hat width less than 0.8m is being not less than 40cm in 50~70cm, ground quilt and lawn improvement thickness.

Middle layer organic substrate desalination improvement layer (2) is the green plants waste oxygen consumption compost that diameter is less than 1cm It obtains.Oxygen consumption compost is the oxygen consumption composting treatment method of this field routine.

The superficial layer small particle aging organic coating layer (3) with a thickness of 2-5cm；The big partial size aging in the surface layer Organic coating layer (4) with a thickness of 5~8cm.

The superficial layer small particle aging organic coating layer (3) be partial size be less than 2cm be aging small particle wood chip or wood Item；

The big partial size aging organic coating layer (4) in the surface layer be partial size be greater than 2cm be the big partial size wood chip of aging or batten.

The water permeating pipeline communicated therewith is equipped with below the stratobios charcoal separation layer (1).

The utility model develops different product according to green plants waste variety classes and source feature, classification disposition, And according to the salt characterstic of saline-alkali soil, the characteristics of using green plants waste different product, pass through the weight to saline-alkali soil soil layer New building and optimization, achieve the purpose that comprehensive, comprehensive improvement saline-alkali soil.Absorption separation layer is established in bottom, utilizes charcoal Strong adsorption feature, i.e. absorption salinity cut off soil capillary pore simultaneously, prevent salinity from rising with soil hollow billet.In middle layer master To increase soil nutrient content using green plants waste, improve soil physics structure.And upper soll layer passes through aging not With organic covering of partial size wood chip or batten, low-moisture evaporation is on the one hand dropped, moisture is reduced and rises, reduce salt accumulation in surface soil；Together When different-grain diameter layered coverage, can serve different.Wherein first layer fine grain, it can increase the closed of covering Property, it increases soil moisture content, reduces moisture evaporation, while also having the decomposition using covering, improve soil nutrient and improve Soil physico-chemical property；And the large-sized covering in upper layer, it can wind erosion is reduced, prevents organic covering mobile by water or wind, Rotten and decomposition rate is also reduced simultaneously, improves the service life of covering.

Compared with prior art, the utility model has the following advantages that and effect:

1, the utility model structure is simple, is conducive to promote, the alkaline land improving being made into using urban landscaping waste Product belongs to recycling waste, turns waste into wealth, and the cost of raw material is lower, can substantially reduce alkaline land soil improvement Cost, and to city energy-saving and emission-reduction are promoted, the comprehensive urban ecological environment quality that improves is significant, meets circular economy Idea of development.

2, the Main Barrier Factors low according to saline-alkali soil Salt movement feature and the content of organic matter, to greening waste sorting It disposes and develops different improved products respectively and carry out specific aim application, it is organic to adsorb isolation salinity, middle layer by charcoal Composting substrate improvement and desalination, the surface layer organic covering of aging wood chip prevent rebuilding and improveing for three layers of soil layer of evaporation, very well Ground solves salt-soda soil Salt movement and the low two big critical issues of the content of organic matter.

3, the reclamation pattern for establishing entire salt-soda soil water system perforation, passes through the draining system to connect with local soil improvement System achievees the purpose that comprehensive, comprehensive improvement saline-alkali soil.

Detailed description of the invention

Fig. 1 is the salt-soda soil soil structures schematic diagram of the utility model green plants waste building.

In figure, stratobios charcoal separation layer 1, middle layer organic substrate desalination improves layer 2, and superficial layer small particle aging is organic to be covered Cap rock 3, the big partial size aging organic coating layer 4 in surface layer.

Specific embodiment

The utility model is described in detail in the following with reference to the drawings and specific embodiments.

Embodiment 1

The salt-soda soil soil structures of green plants waste building, including the stratobios charcoal that sets gradually from bottom to top every Absciss layer (1), middle layer organic substrate desalination improve layer (2), and the big partial size of superficial layer small particle aging organic coating layer (3) and surface layer is old Change organic coating layer (4).

Wherein, the stratobios charcoal separation layer (1) is made of layer of charcoal biological among upper layer and lower layer geotextiles sandwiched, thick Degree is 30cm.The biological layer of charcoal is that the branch carbonization treatment of diameter 5cm or more obtains, which is existing Conventional silicon carbide processing method, for example, in retort in the state of relatively hypoxia carry out self-burning type dying fire smoulder 1 hour ( 250 DEG C) etc..Gap location filling small particle wood chip or batten in the biological layer of charcoal.The small particle wood chip or batten It is less than the wood chip or batten of 2cm for partial size.

The thickness of middle layer organic substrate desalination improvement layer (2) is depending on planting plants type: arbor improvement is thick Degree sets the tall and big shrub improvement thickness in 1m or hat width greater than 0.8m in 60~100cm in 80~120cm, tree is high be less than 1m or Shrub improvement thickness of the hat width less than 0.8m is being not less than 40cm in 50~70cm, ground quilt and lawn improvement thickness.Described has Machine matrix desalination improvement layer (2) is that green plants waste oxygen consumption compost of the diameter less than 1cm obtains.Oxygen consumption compost is this field Conventional oxygen consumption composting treatment method.

The superficial layer small particle aging organic coating layer (3) with a thickness of 2-5cm；The big partial size aging in the surface layer Organic coating layer (4) with a thickness of 5~8cm.The superficial layer small particle aging organic coating layer (3) is that partial size is less than 2cm For small particle wood chip or batten；The big partial size aging organic coating layer (4) in the surface layer be partial size be greater than 2cm be big partial size wood chip Or batten.

The water permeating pipeline communicated therewith is equipped with below the stratobios charcoal separation layer (1).According to salt-soda soil to be improved Entire terrain slope or water flow trend, past low from height, parallel laid water permeating pipeline, the water permeating pipeline and bottom are raw at a certain distance Object charcoal separation layer communicates, and forms the drainage system of entire salt-soda soil perforation.By raising surface soil height, deep-cutting draining when necessary Ditch or under bury the forms such as the hidden pipe (gradient 0.1-0.3%) of PVC screwed pipe and form drainage pipeline, if landform is not able to satisfy from high past Low trend is in vertical main drainpipe every 100m when necessary and communicates setting sump, promotes to arrange by forms such as forced-ventilateds Water.

Above structure is formd into new city land by manually blowing mud with Mr. Yu coastal area inshore region, according to construction It needs to afforest the plot, there are sheet of poplar shelterbelts in a row in more than 30 years of coastal waters pool ecological region planting, and annual poplar is repaired It cuts and typhoon etc. can generate a large amount of dry branches and fallen leaves.

Periodic monitoring: the typical sampling point of selection one carries out scene after 1 month, 6 months and December to before improvement, after improvement Sampling monitoring, salinity substantially reduces in soil, and nutrient content increases, and reaches improved effect, plant growing way is also good.

1 soil improvement monitoring result of table

Claims (8)

1. the salt-soda soil soil structures of green plants waste building, which is characterized in that including the bottom set gradually from bottom to top Layer charcoal separation layer (1), middle layer organic substrate desalination improve layer (2), superficial layer small particle aging organic coating layer (3) and table The big partial size aging organic coating layer (4) of layer.

2. the salt-soda soil soil structures of green plants waste building according to claim 1, which is characterized in that described Stratobios charcoal separation layer (1) is made of layer of charcoal biological among upper layer and lower layer geotextiles sandwiched, with a thickness of 30cm.

3. the salt-soda soil soil structures of green plants waste building according to claim 2, which is characterized in that described Gap location filling small particle wood chip or batten in biological layer of charcoal.

4. the salt-soda soil soil structures of green plants waste building according to claim 3, which is characterized in that described Small particle wood chip or batten are the wood chip or batten that partial size is less than 2cm.

5. the salt-soda soil soil structures of green plants waste building according to claim 1, which is characterized in that described Middle layer organic substrate desalination improves the thickness of layer (2) depending on planting plants type: arbor improves thickness in 80~120cm, The tall and big shrub improvement thickness in 1m or hat width greater than 0.8m is set in 60~100cm, high 1m or the hat width of being less than of tree is less than 0.8m's Shrub improves thickness and is being not less than 40cm in 50~70cm, ground quilt and lawn improvement thickness.

6. the salt-soda soil soil structures of green plants waste building according to claim 1, which is characterized in that described Superficial layer small particle aging organic coating layer (3) with a thickness of 2-5cm；The big partial size aging organic coating layer (4) in the surface layer With a thickness of 5~8cm.

7. the salt-soda soil soil structures of green plants waste building according to claim 6, which is characterized in that described Superficial layer small particle aging organic coating layer (3) be partial size be less than 2cm be small particle wood chip or batten；

The big partial size aging organic coating layer (4) in the surface layer be partial size be greater than 2cm be big partial size wood chip or batten.

8. the salt-soda soil soil structures of green plants waste building according to claim 1, which is characterized in that described The water permeating pipeline communicated therewith is equipped with below stratobios charcoal separation layer (1).