30 results about "Green waste" patented technology

The invention relates to a greening seedling culture medium. The greening seedling culture medium is prepared by the following steps: classifying landscaping wastes; grass clippings, leaves, withered flowers, potted plants and branches with the diameter smaller than or equal to 3 cm are divided into garden waste with the low lignification degree; the garden waste with high lignification degree of branches, bamboo leaves and palm leaves with the particle size larger than or equal to 3 cm and smaller than or equal to 15 cm is divided into the garden waste with the high lignification degree, wherein the lignification degree of the branches, the bamboo leaves and the palm leaves is high. According to uneven fermentation caused by difference of lignification degrees of the landscaping waste, through classification treatment, the low-lignification waste is directly composted, and the high-lignification waste is carbonized, so that the fermentation problem is solved, and a new resource value is created.

The present invention relates to a plant growing medium comprising a. shredded and dried green waste, b. shredded and dried animal manure, and c. cellulose. The invention further relates to a method for producing this plant growing medium. Finally, the invention also relates to the use of this plant growing medium, among other things, as a water-retaining and fertilizing peat substitute in agriculture, horticulture, or forestry, its use as a loose building material for insulation construction, and its use as insulation material. The invention further relates to a plant growing medium pressed into briquettes or pellets and the use of these briquettes or pellets as fuel.

The invention relates to a process for manufacturing wood pellets from woody green waste, comprising the following steps: - collection of woody green waste (1), - coarse shredding of the woody green waste (2), - fine shredding of the first shredded material and a second shredded softwood material (3), by inserting the first and second shredded materials into at least one shredder, - drying of the first and second shredded materials (4), in at least one dryer, - mixing of the first and second shredded materials (5), in at least one mixer, - granulation of the resulting mixture (6), in at least one pellet press. The invention further relates to an installation for implementing a process according to the invention. Figure for the abstract: Fig 1

The invention relates to a batch-based method for producing wood briquettes from green waste, which includes the following process steps, which are carried out in the specified order: (1) Green waste supplied from different sources is collected at a storage site until a sufficient batch of green waste is available for batch processing; (2) the green waste is taken from the storage area and mechanically shredded; (3) the shredded green waste is separated, removing any soil components; (4) the green waste with reduced soil content is dried; (5) the dried green waste is further shredded mechanically; (6) the further shredded green waste is separated, whereby a wood component for further processing is obtained from the further shredded green waste by means of the separation; (7) the wood component to be processed further is dried and coarsely crushed; (8) the coarsely crushed wood component is mechanically crushed into a finer consistency; (9) the finely crushed wood component is sieved, whereby a fine wood component is obtained from the wood component by means of sieving; (10) The fine wood component is briquetted.

This invention discloses a glass bottle formulation comprising the following raw materials: 100-120 parts silica sand, 30-45 parts soda ash, 8-12 parts dolomite, 8-12 parts calcite, 7-9 parts fluorite, 1-1.5 parts mirabilite, 2.5-3.5 parts environmentally friendly glass kiln ash, 3.5-7 parts SiC whisker / mullite whisker / nano TiO₂ composite, 0.8-1.2 parts sodium nitrate, 1-3 parts chromite powder, and 500-600 parts green waste glass slag. The beneficial effects of this invention are: a high proportion of green waste glass slag significantly reduces the consumption of raw materials such as silica sand and soda ash; it achieves the resource utilization of industrial solid waste, reducing solid waste disposal costs and carbon emissions; the sodium sulfate and calcium silicate particles in the environmentally friendly ash synergistically aid melting, reducing melting energy consumption; and the whisker composite, through the synergistic effects of SiC whisker stress dispersion, mullite whisker framework filling, and nano TiO₂ bubble adsorption, improves the impact resistance of beer glass bottles.

The application discloses a novel garden greening waste resource dispersion treatment device and method, the treatment device comprises a crushing device and a fermentation device, the right end of a feeding conveyor belt of the crushing device is connected with a feeding port of a rotary cutting crusher, the feeding conveyor belt is arranged on the right half of a self-propelled frame, the discharging port of the rotary cutting crusher is arranged above the feeding conveyor belt, the right end of the feeding conveyor belt is provided with a feeding port, and the feeding port is arranged above the feeding port of the fermentation device; a supporting bottom plate of the fermentation device is arranged on the inner wall of the bottom surface of a box body, a bottom frame is arranged on the supporting bottom plate, the top of the bottom frame is provided with a fermentation bottom plate, a reciprocating pushing mechanism is arranged on the fermentation bottom plate, the top of the box body is provided with a feeding port, and a Roots blower is arranged on the side of the box body; the crushing device and the fermentation device are organically combined together, the waste is subjected to ultrahigh-temperature aerobic fermentation treatment, and the influence of the garden waste on the environment can be greatly reduced.

This invention relates to a biomass gasification system and method with dust removal function, including a gasifier, a burner, a raw material supply module, and a dust collection device. The raw material supply module is used to transport pulverized green waste or other biomass raw materials to the gasifier for gasification to generate biomass fuel gas. The inlet of the dust collection device is located near the outlet of the raw material supply module, and is used to extract dust entrained during the process of the raw material falling into the gasifier. The dust includes sawdust, glue fragments, and other lightweight combustible particles. The outlet of the dust collection device is connected to the oxygen supply path of the burner, and is used to introduce the dust into the burner to mix and burn with the biomass fuel gas. This invention, by constructing a closed-loop path of "dust extraction-reburning," can significantly reduce coking in the gasifier, improve gasification efficiency and burner temperature rise rate, achieve efficient recovery and utilization of dust energy, and enhance the overall operational stability and thermal output efficiency of the system.

Device for producing humus material or compost with: - a processing basin (1) which is set up to form a material bed (4) in the processing basin (1) to receive a solid organic carrier material such as green waste, straw, manure, fresh compost or the like; - a traveling crane (5) which extends in a transverse direction over the processing basin (1) and can be moved in a longitudinal direction along the processing basin (1); - a turning device (7) which is arranged on the overhead crane (5) such that the turning device (7) can be moved with the overhead crane (5) in the longitudinal direction of the processing basin (1), and which has turning devices (8) which are arranged to turn the solid organic carrier material in the material bed (4); - a ventilation device (22) which is designed to ventilate the solid organic carrier material in the area of ​​the turning devices (8) and / or adjacent thereto; - an exhaust air device associated with the treatment basin (1), comprising - an extraction device (10) which is arranged and configured on the overhead crane (5) to locally extract exhaust gases generated in the material bed (4); and - an exhaust air scrubber (11; 12) which is configured to receive and clean the exhaust air extracted by means of the extraction device (10) via an exhaust air duct; and - a separation device which is designed to separate at least a spatial area above the material bed (4) and below the overhead crane (5) from the environment above the material bed (4) on one or more sides, starting from the overhead crane (5), wherein the extraction device (10) is designed to extract the exhaust gases at least in the spatial area.

This invention belongs to the technical field of green waste treatment equipment. The disclosed garden waste collection device and method are used to separate plastic bags and fallen leaves. The garden waste collection device includes a crushing barrel, a rotating shaft, a crushing rod, and a stop rod. The rotating shaft is rotatably disposed inside the crushing barrel. The stop rod is configured to drive the crushing rod from a first working position to a second working position. During the rotation of the crushing rod, the plastic bag and fallen leaves are separated. As the stop rod moves the crushing rod from the first working position to the second working position, the plastic bag wrapped around the crushing rod is blocked by the rotating shaft, thereby transferring the plastic bag to the stop rod. This allows for the removal of the plastic bag wrapped around the crushing rod, thus improving the separation efficiency of fallen leaves and plastic bags.

The utility model relates to the field of garden crushers, and discloses an integrated device for collecting, crushing and briquetting garden greening garbage, the top of a bottom plate is fixedly connected with a bracket, the left top of the bottom plate is fixedly connected with a crushing box I and an engine in sequence from front to back, and a transmission assembly is arranged between the crushing box I and the engine; a round rod is rotatably connected to the middle of the first crushing box, crushing rollers are fixedly connected to the periphery of the round rod, a gear is fixedly connected to the periphery of the round rod, a slurry pump is fixedly connected to the left side of the inner wall of the first crushing box, a connecting sleeve is fixedly connected to the output end of the slurry pump, and a first feeding pipe is fixedly connected to the other end of the connecting sleeve. According to the utility model, after crushed branches and leaves are fed into the material storage box, the centrifugal pump is driven to spray water in the water tank into the material storage box through the spray pipe, so that floating dust entering the material storage box can be quickly settled under the action of the water, and the influence on the working environment is further avoided.

The invention discloses a garden greening waste recycling system and method, and relates to the field of garden waste, and the method comprises the steps: S1, three-dimensional grid monitoring and data acquisition, S2, multi-dimensional feature data set construction, S3, spatial distribution anomaly recognition, S4, control decision parameter generation, S5, layered and partitioned compost regulation and control execution, S6, layered and partitioned compost regulation and control execution, and S5, layered and partitioned compost regulation and control execution. And updating the compost state prediction model. According to the invention, through the three-dimensional grid monitoring network, three-dimensional and omnibearing perception of the internal state of the pile body is realized, heterogeneity of spatial distribution can be accurately captured, and the defects of few monitoring points and incomplete information of a traditional method are overcome.

The application discloses a kind of garden greening waste resource processing method, and the application relates to garden greening technical field, and the application includes: the waste collected is divided into A class high carbon material and B class high nitrogen material;After A class material is crushed, B class material is mixed in proportion and moisture content is regulated;Mixed material is piled into compost, and the unit of turning over is combined with temperature and humidity, oxygen content, percolate characteristics and image color depth multidimensional parameters, and the operation of turning over is dynamically adjusted by sub-region division and unit level analysis;After compost is decomposed, impurities are removed by screening to obtain organic fertilizer finished product.The application accurately detects and adjusts the turning over of multidimensionality, improves the uniformity of material mixing and the balance of decomposition, reduces energy consumption, and improves the effect of resource utilization.

The utility model relates to a gas collecting device for green waste acid treatment. The gas collecting device comprises a gas collecting box, the collecting pipe is fixedly mounted in the gas collecting box; the replacing assembly is arranged in the gas collecting box, the replacing assembly comprises a layer plate, a clamping plate, a clamping groove, a clamping block, an activated carbon placing plate, a reset spring and a filtering hole, the layer plate is fixedly installed in the gas collecting box, a sliding groove is formed in the layer plate, and the clamping plate is slidably connected into the sliding groove. By means of the arranged replacement assembly, a worker can lift an activated carbon containing plate by hand and then move a clamping block out of a clamping groove, so that the activated carbon containing plate can be rapidly taken out to replace activated carbon, after replacement is finished, the activated carbon containing plate can be pushed to enable a clamping plate to be extruded and enter a sliding groove, and then the clamping block can be clamped in the clamping groove; therefore, the activated carbon in the gas collecting device can be quickly replaced, and the working efficiency can be greatly improved.

Screening device (1) for separating solid mixtures as feed material according to particle size, in particular for separating difficult-to-screen, moist and / or sticky and / or coiling material, such as household and commercial waste, mixed construction waste, rubble, excavated soil, stockpile material from landfill remediation, alternative fuels, coiled goods and / or film and / or wire goods, biowaste, compost, waste wood, wood, green waste, with a plurality of screen shafts (4, 5) arranged downstream of the feed material in a conveying direction, wherein each screen shaft (4, 5) rotates about its own axis of rotation and wherein the feed material is transported on the screen shafts (4, 5) in the conveying direction according to the roller conveyor principle and is separated into a fine-grained fraction and a coarse-grained fraction, characterized in that the screen shafts (4, 5) are designed as conical screen shafts with laterally projecting screen blades (6) which, when the screen shafts (4, 5) rotate form cone-shaped bodies of revolution,wherein the screen shafts (4, 5) are arranged in the conveying direction of the feed material with alternating directions and wherein, when the screen shafts (4, 5) rotate, screen gaps (9) are formed between the screen blades (6) of adjacent screen shafts (4, 5) for separating the feed material.

The invention relates to the technical field of construction waste treatment, and discloses a construction waste discharging device in building construction and a using method, and the construction waste discharging device comprises a conveying mechanism, a screening mechanism, a sorting mechanism and a spraying dust suppression mechanism. Wherein the screening mechanism comprises a screening roller driven by a driving motor, and multiple screening holes with the hole diameters sequentially increased from the feeding end to the discharging end are formed in the surface of the screening roller; the sorting mechanism comprises a visual sensor used for collecting image information and a multi-degree-of-freedom mechanical arm used for grabbing materials. During working, construction waste is conveyed into the screening roller through the conveying mechanism to be automatically separated according to the size, meanwhile, the spraying dust suppression mechanism suppresses flying dust in the process, large materials obtained after screening are recognized through a visual sensor, and a mechanical arm is guided to conduct accurate grabbing. Through cooperative work of all the mechanisms, automation, intelligence and greenization of garbage treatment are achieved, the treatment efficiency is high, sorting is accurate, and the resource recovery rate is effectively increased.

This invention relates to the field of resource recycling and soil improvement technology, and discloses a method for converting green waste and construction waste into planting soil, solving the problems of low efficiency and insufficient resource utilization rate of existing waste treatment methods. This invention pre-treats green waste, agricultural straw, and construction waste separately, using a compound microbial agent containing white-rot fungi, Trichoderma kangseri, and silicate bacteria for fermentation. The fermented material is then mixed with construction waste at a ratio of 3:1 to 5:1, with the addition of auxiliary materials. After land application and improvement, and testing to ensure compliance, it can be used as planting soil. This invention achieves a waste resource utilization rate of ≥95%, reduces carbon emissions by 80%, and produces planting soil with a humus content of ≥25%. It can add 500 mu of arable land per 1000 tons of waste, and all indicators meet national standards, forming a closed loop of "waste-soil-arable land," providing an efficient solution for urban renewal and food security.

The invention discloses a landscaping waste aerobic fermentation device applied to the related field of compost fermentation, according to the scheme, under the normal condition, waste gas discharged by fermentation overflows from the inside of a dynamic adsorption bag, and after peculiar smell appears, a waste gas discharge path can be automatically controlled to be changed, so that the waste gas moves from the outside to the inside of the dynamic adsorption bag, and the waste gas is discharged from the inside of the dynamic adsorption bag. After the waste gas is discharged and the gas path is reversed, the dynamic adsorption bag can be driven to expand, so that the space in the dynamic adsorption bag is enlarged, and the waste gas is in full contact with the activated carbon particles, thereby improving the adsorption effect on peculiar smell in the waste gas; and in the forward and reverse change process of the gas path, the active carbon particles in the dynamic adsorption bag can be continuously loosened, so that the active carbon particles are not easy to harden, the peculiar smell adsorption effect is effectively ensured, and the influence on the surrounding environment is effectively ensured when the greening waste is treated.

The utility model discloses a landscaping waste resource utilization device, which belongs to the field of landscaping waste treatment and comprises a workbench and a moving part, the moving part is arranged on the upper surface of the workbench, and a cutting part is arranged on the outer surface of the moving part. A waste collecting assembly is arranged on the upper surface of the workbench. Through cooperation of the moving part and the cutting part, rapid cutting of landscaping waste is achieved, meanwhile, dust pollution generated in the cutting process is effectively reduced through the design of a protective cover and a water storage tank, water drops are sprayed to the surface of a cutting wheel through a connecting pipe, dust makes contact with the water drops, then the dust is weighted and falls into a collecting box, and the cutting effect is improved. And the effect of cooling the cutting wheel is achieved, and the service life of the cutting wheel is prolonged.

This utility model discloses a municipal greening waste cleaning device, relating to the field of municipal engineering technology. The utility model includes a base plate, on which a squeezing mechanism and a configuration mechanism are installed. The squeezing mechanism includes a collection box fixedly connected to the top of the base plate, with a squeezing plate slidably connected to the inner wall of the collection box. Two toothed rods are fixedly connected to the top of the squeezing plate. By setting up the squeezing mechanism, after the height is adjusted, a fan can be started. The fan generates strong suction, which sends the waste sucked in by the dust collection hood into the collection box through a conveying pipe. When the waste in the collection box accumulates to a certain amount, to improve the space utilization of the collection box, a motor can be started. When the motor is working, it drives two gears through a rotating shaft, causing them to mesh with the toothed rods on the squeezing plate, driving the squeezing plate downwards and compressing the waste in the collection box, maximizing the use of the collection box's storage space and effectively improving the device's working efficiency.

The building landscaping waste treatment device comprises a waste treatment machine body, a feeding opening is fixedly formed in the top of the outer wall of the front face of the waste treatment machine body, and a discharging opening is fixedly formed in the bottom of the outer wall of one side of the waste treatment machine body; an air inlet is formed in one side, far away from the discharge hole, of the waste treatment machine main body. And by arranging the rotating blades, a large amount of wood chips are not accumulated any more, so that the drying time of the wood chips in different layers is close to each other, and carbonization caused by overlong drying time of the wood chips on the surface can be prevented.

The application discloses a kind of green treatment device for industrial zero discharge of sewage based on solid waste treatment, wastewater treatment technical field, including bottom plate, the upper side of the bottom plate is fixedly connected with support frame one and support frame two, the upper side of the support frame one is fixedly connected with water inlet cylinder, the left side of the water inlet cylinder is fixedly connected with water inlet pipe, the upper side of the bottom plate is provided with switching unit, the switching unit includes vertical plate, the vertical plate is fixedly connected in the upper side of bottom plate, the right side of the vertical plate is rotatably connected with rotating tube, the right end of the rotating tube is fixedly connected with rotating disc.The green treatment device for industrial zero discharge of sewage based on solid waste treatment, by being provided with water inlet cylinder, filter membrane, sedimentation cylinder and clean water cylinder, it is convenient to carry out filtration to waste water and then carry out sedimentation, and by vertical plate, motor, rotating disc, connecting assembly, it is convenient that motor controls another set of standby filter membrane use, the clogged filter membrane is quickly replaced, and the operation is simple.

The invention relates to the technical field of soil improvement, and particularly discloses a green-waste-based substrate for saline-alkali soil greening and a preparation method and application of the green-waste-based substrate. The invention discloses a green waste-based saline-alkali soil greening substrate, which is prepared from the following components: 6 to 9 parts of garden waste fermentation products, 1 to 3 parts of vermiculite, 1 to 3 parts of turfy soil, 0.1 to 0.3 part of radix scutellariae extract and 0.7 to 0.9 part of folium mori extract. The pH value of the substrate for greening the saline-alkali soil is 6.5-7.0; the preparation method of the garden waste fermentation product comprises the step of carrying out compost fermentation on garden waste by using bacillus subtilis and stenotrophomonas maltophilia as fermentation microbial agents to obtain the garden waste fermentation product. The substrate for saline-alkali soil greening is used for improving saline-alkali soil, can effectively regulate the physical and chemical properties of soil, improves and enhances the biological nutrients and microenvironment of the soil, and further facilitates the improvement of crop quality.

The utility model provides a landscaping waste branch and waste leaf collecting device, and particularly relates to the technical field of landscaping, the landscaping waste branch and waste leaf collecting device comprises a cart, when the landscaping waste branch and waste leaf collecting device is used, the cart is pushed, an insertion rod is attached to the surface of a grassland, the insertion rod is pushed forwards, waste branches and waste leaves on the grassland can be collected and continuously pushed, and the utilization rate of the landscaping waste branch and waste leaf collecting device is improved. A connecting block is slidably connected with a connecting groove in an inserted mode, then a bolt is in threaded connection with a fixing plate and inserted into a pin hole, and therefore the collecting bin is limited and fixed, collecting bins with different widths can be conveniently replaced according to the use environment, and when the collecting bin stores a large amount of materials, a plug pin can be pulled out upwards, the plug pin is disengaged from a plug groove, and the waste branches and the waste leaves can be collected. Then the push rod is pushed, the push plate pushes out the stored materials, so that the waste branches and the waste leaves are collected and piled, subsequent cleaning is facilitated, then the push rod is reset, the plug pin is inserted, the push rod is fixed, and the push plate is taken out firstly when the collection bin is replaced.

The invention relates to the technical field of garden green waste treatment, and provides a distributed garden green waste automatic collection system and a working method. The system comprises a sealed collection room body, an adsorption pipeline, a crushing device and an adsorption head, wherein a visual camera for accumulation monitoring and a crawler-type pushing device are arranged in the sealed collection room body; the adsorption pipeline is used for connecting the room body and the adsorption head and adsorbing green waste through a negative pressure device in the room body, and the crushing device is arranged in an adsorption path, is used for coarsely crushing medium-heavy green waste and is provided with a channel for bypassing light green waste; the adsorption path supports two connection modes according to the distance. The method comprises the steps of path configuration, adsorption transmission, split-flow crushing, accumulation monitoring, clearing and transportation control and the like, has the characteristics of high adaptability, simplified structure, intelligent operation and the like, and is suitable for multi-point distributed automatic recycling treatment of the garden green waste.

The utility model belongs to the technical field of waste crushing, disclose a kind of landscaping waste sorting and crushing device, comprising: crushing mechanism, including crushing subassembly, subsection component and discharge assembly;Crushing subassembly, including crushing box, and the upper portion of crushing box is provided with bulk inlet, and the upper portion inside crushing box is equipped with two groups of rotatable crushing waste crushing roller;Compared with prior art, the utility model has the beneficial effects as follows: by innovative design crushing and subsection component, to bulk, branch double channel realizes landscaping waste classification processing, bulk is directly cut into crushing roller shear crushing by entry, sliding plate;Long branch is entered by special entry, is sectioned after by lifting cutting knife, is transported to crushing roller processing by sliding into roller. Compared with traditional mixed crushing, this scheme effectively avoids material winding, long branch swing impact and splashing risk, greatly improves crushing safety and processing efficiency.

A green waste processing method using a green waste material supply. The method comprises preparing the green waste material supply, that comprises separating the green waste material supply into non-

Systems and method for managing municipal solid waste are provided herein. In particular, a production unit configured to pyrolyze municipal solid waste may be located at a waste facility. In some embodiments, when municipal solid waste is received at the waste facility, the municipal solid waste may be sorted by into green waste, brown waste, and / or mixed waste. The green waste, brown waste, and / or mixed waste may be resized and / or dried before the green waste, brown waste, and / or mixed waste are pyrolyzed. The production unit may pyrolyze the green waste, brown waste, and / or mixed waste to produce biochar. The biochar may be stored at the waste facility or transported from the waste facility to sequester carbon.

The invention discloses a glass bottle formula which comprises the following raw materials: 100 to 120 parts of silica sand, 30 to 45 parts of sodium carbonate, 8 to 12 parts of dolomite, 8 to 12 parts of calcite, 7 to 9 parts of fluorite, 1 to 1.5 parts of mirabilite, 2.5 to 3.5 parts of glass kiln environment-friendly ash, 3.5 to 7 parts of SiC whisker / mullite whisker / nano TiO compound, 0.8 to 1.2 parts of sodium nitrate, 1 to 3 parts of chromium ore powder and 500 to 600 parts of green waste glass slag. The method has the beneficial effects that the addition amount of the green waste glass slag is high, and consumption of raw materials such as silica sand and sodium carbonate is greatly reduced; industrial solid waste recycling is achieved, the solid waste treatment cost and carbon emission are reduced, sodium sulfate and silicon-calcium particles in the environment-friendly ash cooperate for fluxing, and the melting energy consumption is reduced. According to the whisker compound, the impact strength of the beer glass bottle is improved through the synergistic effect of stress dispersion of SiC whiskers, framework filling of mullite whiskers and adsorption of nano TiObubbles.

The application relates to the technical field of solid waste treatment, in particular to a building and landscaping waste treatment device, which comprises a shell, a feeding hopper, a turnover motor, a turnover disc, a turnover box, a movable plate, a plurality of heating wires, a sliding rod, a limiting block, two crushing motors, two crushing rollers, a squeezing box, a hydraulic rod and a squeezing plate. The movable plate can slide up and down in the turnover box flexibly, is used for receiving waste when the opening of the turnover box faces upwards, and the dropped waste falls on the movable plate. The plurality of heating wires arranged below the movable plate generate heat to quickly dry the waste. After drying, the turnover motor is started to turn the turnover box by 180 DEG, so that the opening faces downwards, and the waste is poured out. The device dries the waste once before crushing, reduces the risk that the waste with high water content adheres to the crushing rollers during crushing, and solves the problems that the existing landscaping waste treatment device is prone to failure and affects the service life of equipment.

The present application relates to the technical field of soil improvement, in particular to a saline-alkali soil improver and its preparation method and use method, the saline-alkali soil improver comprises, according to percentage by weight, sludge 30-50%; green waste 30-50%; superphosphate 10-20%; fermented sheep manure 9-12%; EM bacteria 0.1-0.5%; bacillus subtilis 0.1-0.5%; trichoderma harzianum 0.1-0.5%; soybean meal 0.7-2%. The present application provides a saline-alkali soil improver, which is rich in beneficial bacteria and has biological activity; it is slightly acidic, can effectively neutralize the alkalinity of saline-alkali soil and reduce the soil PH value; the humic substances in the improver contain numerous active functional groups, which can promote the exchange of salt ions on the surface of soil particles, reduce the salt concentration in soil solution; it can improve the salt tolerance of plants, promote crop growth, regulate the microbial environment of plant roots, improve soil structure and increase soil permeability. It can reduce the bulk density of soil, inhibit the upward movement of capillary water, reduce water evaporation and salt surface aggregation.