50results about How to "Speed up infiltration" patented technology

The invention discloses a coastal kaline soil forestation method, comprising the following steps: A. trenching and building ridges, and building rain collection beds; B. setting rain collection surfaces; C. digging plant pits, and setting salt isolation layers; D. collecting tree species and planting; E. setting surface cover layers of plant pits; F. tending, and weeding at proper time; wherein, the step of trenching and building ridges, and building rain collection beds is based on the design of forestation spacing, and flow collection trenches are dug at interval of a row spacing along the direction of rows; the depth of the trench bottom is 20cm to 25cm; the ground surface between the ridge and the trench bottom is trimmed to form a shallow v-shaped groove; the sloping surfaces are leveled and compacted to form the rain collection beds. The coastal moderate kaline soil forestation technology of the invention greatly increases the water content of soil, and the salt is efficiently leached and reduced, thereby efficiently improving the survival rate, save rate and growing speed of forests; the survival rate of forests reaches greater than 85%.

The invention relates to a method for constructing a water saving type landscape plant community, comprising the following steps of: firstly, leveling a landform of a square construction area of 20m*20m; then, arranging a #-shaped groove at a trisection position of each side of the area, horizontally laying a gravel layer at the bottom of the #-shaped groove, and backfilling plant growing soil on the gravel layer; complexly planting a mixed plant community on the plant growing soil; and finally, covering saw dust in the thickness of 10cm at a base part of trees and shrubs. The method for constructing the water saving type landscape plant community can meet the requirement on rainwater storage of the water saving type landscape plant community and homeostasis in a water community so as to achieve the purposes of reducing irrigation and saving water resources.

The invention discloses a method for building an ecological littoral zone in a buffer area. The method comprises building of gabions, a low pond, multiple ponds and a retention canal. The method comprises the following specific steps: (1) a gabion area is built, wherein the gabions are built between a normal water level of a river and a level of a flood occurring every two years, and emergent aquatic plants are planted in gaps between the gabions; (2) the low pond is built, wherein a low area which is 20cm lower than the gabion area and 20cm lower than foundations of the multiple ponds is built between the level of the flood occurring every two years and the level of a flood occurring every twenty years; (3) a multi-pond system is built, wherein two rows of pond systems are built in the low pond area, substrate improvement is conducted, submerged plants are closely planted in the ponds, and the emergent aquatic plants are planted on the foundations and the circumferences of the ponds; (4) the retention canal is built, wherein the retention canal is built along the outside of the level of the flood occurring every twenty years. The method effectively solves the ecological problems that a surface source of a gentle slope area of the river is severely polluted, landscapes are poor, the biodiversity is reduced and water and soil loss occurs, and offers a feasible and efficient ecological restoration measure for recovery and reconstruction of a hydro-fluctuation belt.

The invention mainly discloses a surface water recycling system for a sponge city. The surface water recycling system comprises a pure water storage system, a sewage treatment system and a water flow control system, wherein the pure water storage system comprises a first water well, a second water well and a circulation well which are connected with one another; the sewage treatment system comprises a first sewage treatment device located in the first water well and a second sewage treatment device located in the second water well. The surface water recycling system can realize effective percolation, treatment and collection of surface water, improves the water quality and facilitates surface water recycling. A construction method of the surface water recycling system comprises steps of ground treatment, foundation pit treatment, building of the water wells, installation of the sewage treatment system, building of the circulation well, laying of filtering plates, laying of internal pipes, laying of water guide pipes and ground surface treatment. The construction method is reasonable in design and adopts simple and reliable construction steps, the construction steps are joined and arranged properly, accumulated water can be guided effectively to infiltrate to underground, and the effect of sufficiently recovering rainwater and surface water is realized.

The invention relates to the field of river ecological bank revetment projects and particularly relates to an ecological bank revetment purifying system, which has the advantages that the purifying treatment process is prolonged, the purifying efficiency of biochemical reactions is improved, and the nitrogen-containing surface-source pollutants with relatively high nitrogen content are efficiently removed. The ecological bank revetment purifying system comprises a bank revetment above the normal water level of a river bank slope, wherein the bank revetment comprises a protection pile driven into the river bank slope and a gabion fixed on the river bank slope; the protection pile consists of multiple individual piles in rows, and a gap exists between adjacent individual piles; a first impervious layer is arranged between the protection pile and the gabion; the protection pile, the gabion and the first impervious layer form a reaction tank; a vegetable layer, an adsorption layer and a denitrification layer parallel to the river bank slope are arranged in the reaction tank sequentially from top to bottom; multiple second impervious layers are arranged on the vegetable layer and the adsorption layer in a direction vertical to the river bank slope; and the second impervious layers sequentially divide the reaction tank into multiple secondary reaction tanks.

The invention provides a green planting method for blueberries. The method comprises the steps of (1) garden selection; (2) soil improvement; (3) preparation for planting; (4) planting; (5) water and fertilizer management; (6) disease and pest prevention and control; (7) pruning; (8) timely harvesting and overwintering protection. Compared with the prior art, the method can better improve soil in an economical manner and is a highly-efficient green cultivation method. The method can better adjust the pH of soil, enables the pH of soil to be kept at 4.3-4.8, which is most suitable for the growth of blueberries, can increase the organic matter content of soil to more than 8%, can improve the soil structure and maintain the soil moisture content, and can achieve the effects of green planting and high yield. The method effectively increases the fruit setting rate of blueberries and increases the yield.

The invention belongs to the technical field of seepage prevention and stabilization of heavy metal tailings ponds, and particularly relates to a composite stable layer structure at the bottom of a heavy metal tailings pond and a construction method thereof. The composite stable layer structure sequentially comprises a self-cementing layer, a percolate guide and discharge layer and an inverted filter protection layer from bottom to top. The self-cementing layer is mainly prepared from the materials of a self-cementing material, superfine tailing sand, flexible fibers and the like. The percolate guide and discharge layer takes coarse particle ore sand formed by natural or mechanical separation and deposition as a matrix, water collecting blind ditches are arranged at certain intervals in the direction perpendicular to the axis of a dam, and the blind ditches are divided into an upper layer and a lower layer and are correspondingly filled with medium-particle-size and large-particle-sizeriver sand; meanwhile, slotted hole seepage discharge pipes are buried in the lower layer, and the end parts of the slotted hole seepage discharge pipes penetrate out of a tailing dam body; and the inverted filter protection layer is coarse particle ore sand formed by natural or mechanical separation and deposition. The material and thickness of each layer structure are matched with each other, and the composite stable layer structure at the bottom of the heavy metal tailings pond has the advantages of being good in anti-seepage effect, high in strength and toughness, capable of solidifying / stabilizing heavy metal to a certain extent, good in anti-clogging and guiding and discharging effect, high in economical efficiency and the like.

The invention relates to a paper diaper capable of preventing absorption bodies from cracking. The paper diaper comprises absorption parts and an outside surface layer for covering the absorption parts, and is characterized by comprising at least two layers of the absorption parts; each absorption part comprises a plurality of independent absorption bodies which are arranged at intervals and are formed by hot pressing or glue spraying; the absorption bodies on the two layers of the absorption parts are overlapped in a staggered manner and are connected into a whole body in a gluing manner. According to the paper diaper capable of preventing the absorption bodies from cracking and the production method of the paper diaper provided by the invention, the material cost is saved; the plurality of independent small absorption bodies are overlapped and stuck in two layers in the staggered manner, so that the absorption bodies are not cracked and lumped after absorbing liquid; the infiltration and flow guide speeds can be accelerated and the diffusion area can be enlarged; side leakage and rear leakage are effectively prevented, and the absorbed liquid can also be effectively locked into the independent absorption bodies, so that the liquid is not easy to flow back.

The invention discloses forming equipment producing anti-breakage paper diapers. The forming equipment comprises a motor, a frame, a feed component, at least two air suction mechanisms, conveying mechanisms and hot-press and heat-seal forming mechanisms. Each air suction mechanism comprises a hollow mesh roller and a first air suction unit embedded in the mesh roller, the mesh roller is uniformly provided with meshes, and forming rollers are arranged on the surfaces of the meshes at intervals. Each hot-press and heat-seal forming mechanism comprises a hot-embossing unit and a hot-press unit both arranged on the conveying belt, each hot-embossing unit comprises a hot press shaft, and a hot-embossing roller with meshes is formed on the hot press shaft; each hot-press unit comprises a hot-press unpolished roller and arranged on the rear side of the hot-embossing units. The forming equipment is reasonable in structural design and compact in arrangement, the forming and feeding mechanisms, the air suction mechanisms and the conveying mechanisms form two staggered absorbers, so that the produced paper diapers cannot break and generate blobs and are fast in diversion and large in liquid storage area.

The invention discloses an urban sinking gallery type landscape wetland which comprises a pool body, medium pools and plant pools. The section of the pool body is of an inverted-trapezoidal shape. Hard waterproof pavement is arranged on the side walls. The medium pools and the plant pools are arranged in the pool body in an alternating mode. The medium pool and plant pool series structure is used for purifying a water body, and therefore landscape benefits and an ecological service function are increased; a necking-down opening from wide to narrow promotes kinetic energy of the water body of a river, the contact area between the water body and atmosphere interface is increased, reoxygenation is increased, and the self-purifying ability of the whole gallery wetland structure is improved; by means of a permeable structure at the pool bottom, filtration, purification and infiltration of surface flow are enhanced, and underground water purification can be promoted.

The invention discloses a perforating and embossing forming mold, which is composed of a concave and convex roller pair; the concave and convex rollers are mutually meshed, wherein perforating needle regions and counter bore regions, which are mutually spaced from each other, are arranged on the surface of the convex roller; convex regions and concave hole regions, which are mutually spaced from each other, are arranged on the surface of the concave roller; bumps on the concave roller correspond to concave holes on the convex roller; concave holes on the concave roller correspond to perforating needles on the convex roller; and both the convex roller and the concave roller are provided with heating devices. The forming mold disclosed by the invention achieves synchronous implementation of perforating and embossing and simplifies processing. A perforated and embossed product, which is produced by the perforating and embossing forming mold, has perforating and embossing regions, and the perforating and embossing regions are mutually spaced, so that a contact area with a human body is reduced through the distribution of the embossing regions, and meanwhile liquid infiltration is accelerated by virtue of the perforating regions; therefore, the forming mold is dyer and more comfortable.

The invention discloses a straw type ecological slope protection structure and method. The straw type ecological slope protection structure comprises a hemp fiber layer, a netlike frame formed by straw and planting grooves, wherein the hemp fiber layer is laid on a side slope; the edges, the corners and the middle of the hemp fiber layer are fixed in side slope soil; the netlike frame formed by the straw is arranged on the hemp fiber layer; the positions, at the top and bottom of the slope, of the netlike frame formed by the straw are also fixed in the side slope soil; a plurality of triangular-prism-shaped chambers are formed in the netlike frame; the planting grooves are arranged in the triangular-prism-shaped chambers at intervals; and each of the surfaces of the planting grooves and the netlike frame is also covered with a layer of surface soil.

A step-type green land with a rainwater in-place elimination function comprises at least one step green land module. Each step green land module comprises a planting layer, a dispersing layer, an adsorption layer, a diversion layer, a retaining wall and a water collecting pipe. Rainwater infiltration, purification, collection, storage and utilization facilities are provided, runoff can be effectively intercepted and slowed down, and rainwater is eliminated, purified and recovered on the spot. The soil structure has certain permeability to speed up rainwater infiltration; grass planting grids are laid on the slope surface so that the surface layer water and soil loss can be reduced; the adsorption layers can effectively adsorb and purify the infiltrated rainwater; the planting layers and the dispersing layers are arranged on the upper portions of the retaining walls so that the moisture can be quickly dispersed; the surfaces of the retaining walls are subjected to infiltration prevention treatment, and thus the situation that the rainwater erodes and damages wall bodies is avoided; and the step green land can be perfectly integrated with surrounding green land environments through the design of the invisible retaining walls, and thus the natural landscape effect of the green land is improved.

The invention discloses a coastal kaline soil forestation method, comprising the following steps: A. trenching and building ridges, and building rain collection beds; B. setting rain collection surfaces; C. digging plant pits, and setting salt isolation layers; D. collecting tree species and planting; E. setting surface cover layers of plant pits; F. tending, and weeding at proper time; wherein, the step of trenching and building ridges, and building rain collection beds is based on the design of forestation spacing, and flow collection trenches are dug at interval of a row spacing along the direction of rows; the depth of the trench bottom is 20cm to 25cm; the ground surface between the ridge and the trench bottom is trimmed to form a shallow v-shaped groove; the sloping surfaces are leveled and compacted to form the rain collection beds. The coastal moderate kaline soil forestation technology of the invention greatly increases the water content of soil, and the salt is efficiently leached and reduced, thereby efficiently improving the survival rate, save rate and growing speed of forests; the survival rate of forests reaches greater than 85%.

The invention provides a recessed green land construction supplementing rainwater infiltration under the background of building landscape. The construction comprises recessed green lands; a plurality of vertical drainage layers are laid side by side in a direction perpendicular to the horizontal plane in a soil layer in a position having slope of a recessed green land; a plurality of vertical drainage layers and the soil layer are connected to set up a horizontal diffusion layer; the vertical drainage layer guides the excess rainwater which is beyond the drainage capacity of the recessed green land soil layer vertically into the horizontal diffusion layer; the rainwater is then transferred to the surrounding soil layer by the horizontal diffusion layer for storage and further infiltration; rainwater infiltrates rapidly in gravel sand layers; the functions of increasing rainwater infiltration, promoting rainwater deep-seated rapid recharge of groundwater and restoring soil conservation water source are achieved. The problem of insufficient water storage capacity of recessed green land under the background of building landscapes is solved; many environmental and engineering problems such as insufficient groundwater supply and easy water accumulation can also be effectively solved.

The invention relates to an absorption article for inhibiting bacteria and removing odor and a manufacturing method thereof, and belongs to the technical field of hygienic products. The absorption article for inhibiting bacteria and removing odor comprises an absorption body, and the absorption body sequentially comprises a liquid-permeable surface layer, an antibacterial and odor-removing layer, a wrapping layer, an absorption layer, a breathable bottom layer and a bottom film non-woven fabric from top to bottom, wherein the antibacterial and odor-removing layer is prepared from an outer wrapping film and an antibacterial and odor-removing material arranged in the outer wrapping film, the outer wrapping film adopts a hydrolyzable film, and the antibacterial and odor-removing material adopts a plant antibacterial and odor-removing extract; and the absorption layer is provided with a flow guide structure. The absorption article disclosed by the invention has the properties of bacteriostasis, odor removal, high liquid infiltration speed, high absorptivity, good dryness and the like.

The invention discloses a rainwater collecting and recycling construction method applied to a sponge city. The construction method includes the steps of step 1, site selection of a water storage area;step 2, foundation pit treatment; step 3, reservoir establishment; step 4, circulating system establishment; and step 5, foundation backfilling and ground surface treatment. According to the rainwater collecting and recycling construction method applied to the sponge city, the construction method is reasonable in design, clear in construction procedure, simple and reliable in construction steps,proper in step connection arrangement, high in quality, and capable of effectively guiding urban rainwater to permeate into the ground, so as to achieve the effect of fully recycling the rainwater, accelerating rainwater infiltration, and preventing water accumulation on the road surface. Meanwhile, the rainwater can be effectively percolated, purified, collected and conserved, the water quality is improved, an underground stored water source is improved, and surface water is conveniently recycled, which increases the water source utilization rate, and supplements urban water; and different water qualities are obtained through different treatment modes and applied to different aspects, so that the surface water is more reasonably and thoroughly utilized, and rainwater resource utilizationand ecological environment protection are promoted.

The invention discloses an ecological water-permeable and plant-conserving road in a park. The ecological water-permeable and plant-conserving road comprises a footpath surface pavement, a temporary footpath rainwater collection storage layer, a water-permeable concrete base layer, a water salt heavy metal ion adsorption layer, a conical water collection layer, a water collection cushion layer and a gravel rough sand layer, wherein the temporary footpath rainwater collection storage layer is arranged below the footpath surface pavement; the temporary footpath rainwater collection storage layer and the water-permeable concrete base layer are mutually connected; a footpath pavement leveling layer is arranged on the water-permeable concrete base layer; a infiltrating water filtering layer is arranged below the water-permeable concrete base layer; the water salt heavy metal ion adsorption layer is arranged below the infiltrating water filtering layer; the conical water collection layer is arranged below the water salt heavy metal ion adsorption layer; the conical water collection layer is connected with the water collection cushion layer. The ecological water-permeable and plant-conserving road has the beneficial effects of being simple in structure, good in force bearing, simple and convenient to process, large in bearing capacity and stable in quality, and by adopting the road structure, rainwater can be recycled, rainwater infiltration and discharge are accelerated, and meanwhile the collected rainwater can be absorbed by soil vegetable layers.

The invention discloses a water guiding system applied to an ecological ground system of a sponge city and a construction method. The water guiding system comprises a water guiding unit composed of multiple water guiding pipes and a water guiding cover used for blocking openings formed in the upper ends of the water guiding pipes; the water guiding pipes comprise the upper water guiding pipes and the lower water guiding pipes, the upper water guiding pipes are provided with multiple lower-end branch pipes which are communicated with the lower water guiding pipes, the openings formed in the upper ends of the upper water guiding pipes are connected with the water guiding cover, and the upper water guiding pipes and the lower water guiding pipes are assembled together to form the water guiding unit. The construction method comprises the steps that the ground is flattened, a natural gravel cushion layer is laid, and after a broken pebble layer is laid, the water guiding system is placed on the broken pebble layer; concrete is poured, the water guiding cover of the water guiding system is taken down when the concrete is not dry, and then multiple drainage grooves are formed; rainwater is gathered in the grooves and flows back to the underground through the water guiding unit, therefore, water can be prevented from running off along the hardened ground, and rainwater infiltration is accelerated to prevent surface water gathering.

The invention discloses a breathable and dry double-layer non-woven fabric and the processing technology thereof. According to the invention, a surface layer and a bottom layer are compounded through hot air, and the surface layer is obtained by conducting hydrophobic modification on cotton fibers and then conducting opening, carding, net forming and mechanical punching, so that the surface layer has good hydrophobicity and plays a flow guiding role after mechanical punching, moisture rapidly infiltrates downwards and does not permeate back, and the surface of the product is breathable, dry and comfortable; and the bottom layer is obtained by opening, carding and netting cotton fibers after hydrophilic modification, so that the bottom layer has good hydrophilicity and can quickly absorb infiltrated moisture, and the surface of the product is breathable and kept dry and comfortable.

The invention discloses a device and a method for collecting water in an orchard. The method comprises the following steps: finishing the ground; mounting movable supports; covering a black water-collecting plastic film over 0.06mm; punching; fixing a water guide pipe in a ground hole in the bottom of a water collecting pit. The device comprises iron wires, the water-collecting film (having the water guide pipe), and the movable supports. The film is fixed by threading No. 12 iron wires through a film edge fixing pipe; a water guide hole is formed in the film; the water guide pipe is adhered to a corresponding position of the water guide hole; the movable brackets are arranged at both ends of the film; two support arms are connected with the iron wires, and the two iron wires are parallel. According to the device and the method disclosed by the invention, a mode in which rainwater is uniformly received by the soil surface is changed into a time-space distribution mode in which rainwater is received by deep soil at multiple points in a concentrating manner, such that rainwater directly reaches to a root system distribution layer of a fruit tree to strength the rainwater infiltration depth, reduce the evaporation loss of water in soil and prolong the retention time of rainwater in soil, more water is provided for growth of fruit trees in case of not increasing water supply, and therefore the yield and the quality of fruits are improved.

The invention discloses a method for building an ecological littoral zone in a buffer area. The method comprises building of gabions, a low pond, multiple ponds and a retention canal. The method comprises the following specific steps: (1) a gabion area is built, wherein the gabions are built between a normal water level of a river and a level of a flood occurring every two years, and emergent aquatic plants are planted in gaps between the gabions; (2) the low pond is built, wherein a low area which is 20cm lower than the gabion area and 20cm lower than foundations of the multiple ponds is built between the level of the flood occurring every two years and the level of a flood occurring every twenty years; (3) a multi-pond system is built, wherein two rows of pond systems are built in the low pond area, substrate improvement is conducted, submerged plants are closely planted in the ponds, and the emergent aquatic plants are planted on the foundations and the circumferences of the ponds; (4) the retention canal is built, wherein the retention canal is built along the outside of the level of the flood occurring every twenty years. The method effectively solves the ecological problems that a surface source of a gentle slope area of the river is severely polluted, landscapes are poor, the biodiversity is reduced and water and soil loss occurs, and offers a feasible and efficient ecological restoration measure for recovery and reconstruction of a hydro-fluctuation belt.

In order to solve the problem that industrial sewage is difficult to treat in the prior art, the invention discloses an environment-friendly industrial sewage treatment device. The environment-friendly industrial sewage treatment device comprises a first connecting plate, a second connecting plate and a placing plate, wherein a liquid inlet pipe is arranged on the bottom surface of the placing plate, and a floating plate is arranged on the outer side of the placing plate in a sleeving manner; a water pump is fixedly mounted on the right side of the upper surface of the placing plate, a guide pipe is mounted at the water outlet end of the water pump, a supporting frame is fixedly mounted on the left side of the upper surface of the placing plate, a lantern ring is welded to the top end of the supporting frame, a first motor is mounted in front of the lantern ring, and a machine frame is fixedly mounted between the first motor and the supporting frame; and a rotating disc is mounted behind the first motor, a liquid outlet pipe is wound around the rotating disc, and inflation holes are uniformly formed in the liquid outlet pipe. Through cooperation of second motors and third motors, the industrial sewage can permeate into the ground more easily through hole drilling and hole collapsing manners and mixing of the industrial sewage with soil, and treatment of the industrial sewage isachieved through a covering method.

The invention relates to a rainwater garden capable of intensifying nitrogen and phosphorus removal. The rainwater garden comprises a foundation pit and a water collecting pool, wherein a foundation pit gravel layer, a foundation pit zeolite layer, a foundation pit planting layer and a foundation pit organic matter layer are sequentially arranged in the foundation pit from bottom to top; a gap isreserved between the top face of the foundation pit organic matter layer and a top pit opening of the foundation pit to form a water storage space; aquatic herbaceous plants or gramineous plants are planted in the foundation pit planting layer; earthworms are inoculated in the foundation pit; a water collecting pool gravel layer, a water collecting pool zeolite layer and a water collecting pool organic matter layer are sequentially arranged in the water collecting pool from bottom to top; the water collecting pool zeolite layer is communicated with the foundation pit gravel layer through a pipeline; the bottom of the water collecting pool gravel layer is communicated with a drainage pipe. Rainwater is collected through the water storage space and subjected to nitrogen and phosphorus removal through plant absorption and nitration reaction in the foundation pit; the rainwater subjected to nitrogen and phosphorus removal is subjected to denitrification reaction in the water collecting pool to enhance nitrogen removal; the removal effect of pollutants such as nitrogen and phosphorus in the rainwater subjected to multi-stage purification treatment is good, nitrogen and phosphorus removal is thorough, and the treated rainwater can be directly recycled.

The invention provides a recessed green land construction supplementing rainwater infiltration under the background of building landscape. The construction comprises recessed green lands; a plurality of vertical drainage layers are laid side by side in a direction perpendicular to the horizontal plane in a soil layer in a position having slope of a recessed green land; a plurality of vertical drainage layers and the soil layer are connected to set up a horizontal diffusion layer; the vertical drainage layer guides the excess rainwater which is beyond the drainage capacity of the recessed green land soil layer vertically into the horizontal diffusion layer; the rainwater is then transferred to the surrounding soil layer by the horizontal diffusion layer for storage and further infiltration; rainwater infiltrates rapidly in gravel sand layers; the functions of increasing rainwater infiltration, promoting rainwater deep-seated rapid recharge of groundwater and restoring soil conservation water source are achieved. The problem of insufficient water storage capacity of recessed green land under the background of building landscapes is solved; many environmental and engineering problems such as insufficient groundwater supply and easy water accumulation can also be effectively solved.

The invention discloses an urban sinking corridor type landscape wetland. It includes a pool body, a medium pool and a plant pool. The cross section of the pool body is an inverted trapezoid, and the side wall is provided with hard impermeable pavement; the medium pool and the plant pool are arranged at intervals in the pool body. Purify the water body through the series structure of the medium pool and the plant pool, increase the landscape benefit and ecological service function; the narrowing from wide to narrow increases the kinetic energy of the river water body, increases the contact area between the water body and the atmosphere interface, increases reoxygenation, and improves the entire corridor wetland The self-purification ability of the structure; the permeable structure at the bottom of the pool increases the filtration, purification and infiltration of surface runoff, and promotes the purification of groundwater quality.

The invention provides an absorption article and a manufacturing method thereof, wherein the absorption article comprises a liquid-permeable surface layer, a bacteriostatic covering layer, an absorption part and a breathable bottom layer which are arranged in sequence. The absorption part is provided with a plurality of transverse seams and longitudinal seams penetrating through the absorption part. The bacteriostatic covering layer comprises a base body and a bacteriostatic composition uniformly distributed on the base body; and the bacteriostatic composition comprises the following components in parts by weight: 2-15 parts of tea leaves, and 3-10 parts of cloves. According to the absorption article provided by the invention, in the transverse seam and longitudinal seam manufacturing process, the absorption part is rolled and cut; rolling and cutting are equivalent to fluffy treatment on the absorption part, so that the absorption part is more fluffy; the tea leaves contain tea polyphenols and tannic acid; the tea polyphenols and the tannic acid can play antibacterial and bactericidal roles; the cloves have very good antibacterial and bactericidal effects; and the tea leaves and the cloves are mixed according to the proportion, so that the antibacterial and bactericidal effects can be fully achieved.

The invention relates to a white chocolate impregnated food and a preparation method therefor. The white chocolate impregnated food comprises the following ingredients: 3wt%-4wt% of sweet potato flour, 1wt%-3wt% of dietary fibers, 1wt%-3wt% of collagen, 2wt%-3wt% of cocoa powder, 2wt%-3wt% of strawberry jam, 1wt%-2wt% of butter, 1wt%-2wt% of unsalted butter, 15wt%-18wt% of chocolate, 2wt%-5wt% ofwatermelon juice and 52wt%-60wt% of baked pastries. Compared with the prior art, the white chocolate impregnated food has the advantages that the nutrition is rich, the fat content is lowered, meanwhile, a delicate fragrance is added, a tallowy flavor is relieved, the mouth feel of the white chocolate is improved, and the appetite is enhanced; and the impregnation speed can be accelerated, and theefficiency of preparation is increased.