阅读说明：本技术 可利用市政淤泥的环保生态种植毯及其水土保持方法 (Environment-friendly ecological planting blanket capable of utilizing municipal sludge and water and soil conservation method thereof ) 是由 周静怡 于 2021-06-23 设计创作，主要内容包括：本发明公开了可利用市政淤泥的环保生态种植毯及其水土保持方法,涉及环保生态技术领域,解决了现有的种植毯,大都需在种植毯的顶端布面上开设若干透水孔,但是这些透水孔在晴天能够加速种植毯内部泥土中水分的蒸发,不利于保持土壤的湿度的问题。可利用市政淤泥的环保生态种植毯及其水土保持方法,包括触地布；所述触地布包括定位孔,所述触地布上等距间隔开设有六排纵向排布的定位孔,此六排定位孔中均镶嵌安装有一处金属环,且金属环用于穿装插地锚杆；方形布袋；所述方形布袋的顶端通过魔术贴固定有方形的盖布。本发明的六排定位孔可方便触地锚杆贯穿钉插,使触地布能够牢固的被固定贴附于斜坡面上,避免其在种植使用的过程中沿坡面滑落。(The invention discloses an environment-friendly ecological planting blanket capable of utilizing municipal sludge and a water and soil conservation method thereof, relates to the technical field of environment-friendly ecology, and solves the problems that most of the existing planting blankets need to be provided with a plurality of water permeable holes on the top cloth surface of the planting blanket, but the water permeable holes can accelerate the evaporation of water in soil inside the planting blanket in sunny days and are not beneficial to maintaining the humidity of the soil. An environment-friendly ecological planting blanket capable of utilizing municipal sludge and a water and soil conservation method thereof comprise a ground contact cloth; the ground contact cloth comprises positioning holes, six rows of positioning holes which are longitudinally arranged are arranged on the ground contact cloth at equal intervals, a metal ring is embedded in each of the six rows of positioning holes, and the metal ring is used for inserting a ground anchor rod in a penetrating manner; a square cloth bag; the top end of the square cloth bag is fixedly provided with a square cover cloth through a magic tape. The six rows of positioning holes can facilitate the ground-contacting anchor rod to penetrate through the nail for insertion, so that the ground-contacting cloth can be firmly fixed and attached to the slope surface, and the ground-contacting cloth is prevented from sliding along the slope surface in the planting and using process.)

1. An environment-friendly ecological planting blanket capable of utilizing municipal sludge and a water and soil conservation method thereof are characterized in that: an ecological planting blanket comprises

Grounding a ground; the ground contact cloth comprises positioning holes, six rows of positioning holes which are longitudinally arranged are arranged on the ground contact cloth at equal intervals, a metal ring is embedded in each of the six rows of positioning holes and is used for inserting a ground anchor rod, five rows of square cloth bags are arranged on the ground contact cloth at equal intervals and are positioned on the cloth surface between the six rows of positioning holes;

a square cloth bag; a square cover cloth is fixed at the top end of the square cloth bag through a magic tape;

covering cloth; the cover cloth comprises planting openings, four rows of longitudinally arranged planting openings are formed in the cover cloth at equal intervals, and a metal water receiving cylinder is inserted into each planting opening;

the cover cloth is made of the same material as the ground contact cloth and is formed by attaching an upper sun-proof cloth layer, a lower sun-proof cloth layer and a felt layer in the middle.

2. The eco-friendly ecological planting blanket using municipal sludge according to claim 1, wherein: the square cloth bag comprises cloth belts, seven cloth belts are arranged inside the cloth bag in a criss-cross mode, and the seven cloth belts divide the inside of the cloth bag into four rows of planting grids in a staggered mode.

3. The eco-friendly and ecological planting blanket using municipal sludge as claimed in claim, wherein: the square cloth bag further comprises a blocking net, the four rows of planting grids are used for containing municipal sludge, and the blocking net is arranged at the bottoms of the four seed planting grids in a covering mode.

4. The eco-friendly ecological planting blanket using municipal sludge according to claim 1, wherein: the metal water receiving cylinder comprises a cylindrical sleeve, the cylindrical sleeve is welded at the vertical support of the center of the inside of the metal water receiving cylinder, and an annular water tank is formed between the cylindrical sleeve and the metal water receiving cylinder.

5. The eco-friendly ecological planting blanket using municipal sludge according to claim 1, wherein: the metal water receiving cylinder further comprises water baffles, four rectangular water inlet grooves are formed in the circumferential outer wall of the water receiving cylinder in an annular array in a penetrating mode, and one water baffle is rotatably installed in each rectangular water inlet groove.

6. The eco-friendly ecological planting blanket using municipal sludge according to claim 5, wherein: the metal water receiving cylinder further comprises water absorption sponges, two upper convex short rods are symmetrically supported at the top end of the water baffle, an L-shaped water absorption sponge is fixedly bonded on the outer side surfaces of the two upper convex short rods, and the water absorption sponges protrude outwards for supporting.

7. The eco-friendly ecological planting blanket using municipal sludge according to claim 1, wherein: the metal water receiving cylinder further comprises a metal counterweight pipe, two inner convex short rods are symmetrically supported on the inner side of the middle section of the water baffle, and one metal counterweight pipe is fixedly welded at the head ends of the two inner convex short rods.

8. The eco-friendly ecological planting blanket using municipal sludge according to claim 5, wherein: the metal water receiving cylinder also comprises limiting stop rods, and two limiting stop rods are symmetrically welded on the inner walls of the metal water receiving cylinder positioned on two sides of the top end section of the rectangular water inlet groove at four positions and are supported upwards.

9. The eco-friendly ecological planting blanket using municipal sludge according to claim 6, wherein: when the water baffle rotates to close, the two upper convex short rods at the top end of the water baffle are correspondingly abutted and contacted with the two limit stop rods.

10. The method for soil and water conservation of an eco-friendly planting blanket using municipal sludge according to claim 1, wherein: comprises the following steps

1. Firstly, laying ground contact cloth on a slope, and then penetrating an anchor rod through six rows of metal rings in six rows of positioning holes on the anchor rod to nail the ground contact cloth on the soil surface of the slope;

2. then, sequentially filling silt soil with the humidity of 50% into all the square cloth bags to enable all the planting lattices in the square cloth bags to be filled with the silt soil;

3. after the square cloth bag is filled with soil, covering the covering cloth on the top opening of the square cloth bag through a magic tape;

4. and finally, transplanting the grass-planted seedlings into the planting grids in the square cloth bag through the cylindrical sleeve and the planting opening, and repeating the installation and use method of the planting blanket.

Technical Field

The invention relates to the technical field of environment-friendly ecology, in particular to an environment-friendly ecological planting blanket capable of utilizing municipal sludge and a water and soil conservation method thereof.

Background

China is in a high-speed development stage, railways and roads which are all-round and all-reach are seldom built, however, the railways and the roads are often required to be driven in mountains and bridged when meeting water, therefore, some railways and highways are excavated from mountains, which destroy the original geological form of the mountains, if the landslide and the debris flow are not repaired, the mountain bodies on the two sides of the highway and the railway are in danger of landslide and debris flow, people begin to use the planting blankets which are only prepared in advance to cover the exposed mountain body slopes, the seeds in the planting blankets can be germinated and grown into plants to fix the soil and support the mountains, the mud can not only contain various sundries when the landslide natural disaster happens, the sludge contains a great amount of nutrient substances and can be used as farmland fertilizer, the prior sludge is mostly piled in the open air, or directly discharged into farmlands without treatment, thereby not only wasting resources, but also damaging the environment, and the sludge is a natural fertilizer.

The silt not only contains various debris, contains considerable nutrient substance in the silt moreover, can regard as farmland fertilizer to use, and present silt is mostly piled up in the open air, perhaps directly discharges into the farmland through not handling, has not only wasted the resource, has still destroyed the environment, and silt is a natural fertilizer, and it can be filled and be used for soil and water conservation in the ecological planting blanket of environmental protection.

For example, patent No. CN201720071537.6 discloses an environmental ecological planting blanket, which comprises a plurality of blanket units, wherein the blanket units are sequentially laid with: the straw grained layer, plant layer and clay layer, wherein, gauze, first polylactic acid non-woven fabrics, second polylactic acid non-woven fabrics and third polylactic acid non-woven fabrics have been laid respectively on straw grained layer, planting layer and clay layer surface, and through right gauze, first polylactic acid non-woven fabrics, second polylactic acid non-woven fabrics and third polylactic acid non-woven fabrics carry out the quilting, are connected together straw grained layer, planting layer and clay layer. The invention has the advantages of soil stabilization and water storage, improves the germination rate of seeds, avoids repeated construction, reduces cost input, has firmer combination between the planting blankets and the ground, and does not cause injury to pedestrians by using a fixing device in the construction process or after construction.

The fixed knot that the blanket was planted to current constructs optimal design inadequately, when leading to using on the slope, easily along the downward landing in slope, and in addition because the inside earth of packing of planting the blanket is sheltered from by the top cloth cover, for guaranteeing that rainy day rainwater can sufficient infiltration supply plant the inside soil of blanket, mostly need set up a plurality of holes of permeating water on the top cloth cover of planting the blanket, but these holes of permeating water can accelerate the evaporation of planting the inside earth of blanket in sunny day, are unfavorable for keeping the humidity of soil.

Disclosure of Invention

The invention aims to provide an environment-friendly ecological planting blanket capable of utilizing municipal sludge and a water and soil conservation method thereof, and aims to solve the problems that most of the background technologies need to be provided with a plurality of water permeable holes on the top cloth surface of the planting blanket, but the water permeable holes can accelerate the evaporation of water in soil inside the planting blanket in a sunny day and are not beneficial to maintaining the humidity of the soil.

In order to achieve the purpose, the invention provides the following technical scheme: an environment-friendly ecological planting blanket capable of utilizing municipal sludge and a water and soil conservation method thereof comprise a ground contact cloth; the ground contact cloth comprises positioning holes, six rows of positioning holes which are longitudinally arranged are arranged on the ground contact cloth at equal intervals, a metal ring is embedded in each of the six rows of positioning holes and is used for inserting a ground anchor rod, five rows of square cloth bags are arranged on the ground contact cloth at equal intervals and are positioned on the cloth surface between the six rows of positioning holes; a square cloth bag; a square cover cloth is fixed at the top end of the square cloth bag through a magic tape;

covering cloth; the cover cloth comprises planting openings, four rows of longitudinally arranged planting openings are formed in the cover cloth at equal intervals, and a metal water receiving cylinder is inserted into each planting opening; the square cloth bag comprises cloth belts, seven cloth belts are arranged inside the cloth bag in a criss-cross mode, and the seven cloth belts divide the inside of the cloth bag into four rows of planting lattices in a staggered mode; preferably, the square cloth bag further comprises a blocking net, the four rows of planting lattices are used for containing municipal sludge, and the blocking net is covered at the bottoms of the four seeding planting lattices; the metal water receiving cylinder comprises a cylindrical sleeve, the cylindrical sleeve is vertically welded at the center of the inside of the metal water receiving cylinder in a supporting mode, and an annular water tank is formed between the cylindrical sleeve and the metal water receiving cylinder; the cover cloth is made of the same material as the ground contact cloth and is formed by attaching an upper sun-proof cloth layer, a lower sun-proof cloth layer and a felt layer in the middle.

Preferably, the metal water receiving cylinder further comprises a water baffle, the outer wall of the circumference of the water receiving cylinder is provided with four rectangular water inlet grooves in an annular array, and the four rectangular water inlet grooves are all rotatably provided with one water baffle.

Preferably, the metal water receiving cylinder further comprises water absorbing sponge, two upper convex short rods are symmetrically supported at the top end of the water baffle, an L-shaped water absorbing sponge is adhered and fixed on the outer side surfaces of the two upper convex short rods, and the water absorbing sponge protrudes outwards to support.

Preferably, the metal water receiving cylinder further comprises a metal counterweight pipe, two inner convex short rods are symmetrically supported on the inner side of the middle section of the water baffle, and the head ends of the two inner convex short rods are fixedly welded with one metal counterweight pipe.

Preferably, the metal water receiving cylinder further comprises limiting stop rods, two limiting stop rods are symmetrically welded on the inner walls of the metal water receiving cylinder positioned on two sides of the top end section of the rectangular water inlet groove at four positions, and the two limiting stop rods are supported upwards.

Preferably, when the water baffle rotates to close, two positions of the upper convex short rods at the top end of the water baffle are correspondingly abutted and contacted with two position limiting stop rods.

Preferably: comprises the following steps

1. Firstly, laying ground contact cloth on a slope, and then penetrating an anchor rod through six rows of metal rings in six rows of positioning holes on the anchor rod to nail the ground contact cloth on the soil surface of the slope;

2. then, sequentially filling silt soil with the humidity of 50% into all the square cloth bags to enable all the planting lattices in the square cloth bags to be filled with the silt soil;

3. after the square cloth bag is filled with soil, covering the covering cloth on the top opening of the square cloth bag through a magic tape;

4. and finally, transplanting the grass-planted seedlings into the planting grids in the square cloth bag through the cylindrical sleeve and the planting opening, and repeating the installation and use method of the planting blanket.

Compared with the prior art, the invention has the beneficial effects that:

1. the six rows of positioning holes can facilitate the ground-contacting anchor rod to penetrate through the nail for insertion, so that the ground-contacting cloth can be firmly fixed and attached to the slope surface, and the ground-contacting cloth is prevented from sliding along the slope surface in the planting and using process;

2. the felt layer inside the ground contact cloth directly covers the soil surface of the slope, one felt layer can shield sunlight and delay the evaporation of water in the soil of the slope to achieve the purpose of keeping water and soil, the other felt layer can absorb the stored rainwater, the stored rainwater can indirectly supply the humidity of the soil kept in the soil infiltrated into the slope to support grass plants in the square cloth bag, the felt layer inside the covering cloth directly blocks and covers the opening at the top end of the felt layer, the other felt layer can shield the sunlight and extend the evaporation of the water in the sludge inside the square cloth bag, the two felt layers can absorb the stored water to keep the humidity of the sludge soil infiltrated into the sludge inside the square cloth bag, the grass plants in the square cloth bag are ensured to be supplied with sufficient water, the growth vigor of the grass plants is promoted, and the withering probability of the grass plants is reduced;

3. the criss-cross seven cloth belts can block silt in the square cloth bag, so that the silt is prevented from being gathered and sliding downwards on a slope under the action of gravity, the soil amount of the upper side part of the square cloth bag is reduced, the growth of the upper side grass plants is not facilitated, the death rate of the upper side grass plants is increased greatly, and the planting use of a planting blanket is influenced;

4. when the water absorbing sponge absorbs water in the rainy day, the gravity of the sponge increases sharply, and the sponge absorbs water in the four places under the driving of the gravity, so that the water blocking plates in the four places can drive the water blocking plates to turn outwards to open the rectangular water inlet grooves in the metal water receiving cylinder for water inlet, and the water blocking plates in the four places can be automatically opened to inject water into the square cloth bag in the rainy day, so that the covered sludge in the square cloth bag can be fully supplied with rainwater for grass to grow;

5. empty grooves are formed between the two upper convex short rods at the top end of the water baffle at intervals, rainwater can be conveniently and directly contacted with the water absorption sponge through the empty grooves, the water absorption sponge can absorb water quickly, and the rectangular water inlet grooves at four positions can be opened to supplement water in time in rainy days;

6. the water in the four water-absorbing sponges evaporates gradually after the rain stops, the weight of the sponge is reduced, at the moment, the four water baffles are driven by counter weights of the four metal counter weight pipes to rotate automatically to close the four rectangular water inlet grooves, and the four water-absorbing sponges can rotate automatically to close in a clear day, so that the water in the sludge in the square cloth bag is prevented from being rapidly dispersed through the four rectangular water inlet grooves, the water in the sludge is effectively kept for the grass to grow for a long time, and the potential hazard that the grass plants are subjected to drought is greatly reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of a square cloth bag according to the present invention;

FIG. 3 is a schematic view of a drape layering of the present invention;

FIG. 4 is a schematic view of a drape of the present invention;

FIG. 5 is a schematic view of the bottom structure of the drape of the present invention;

FIG. 6 is a schematic view of the internal structure of the metal water receiving cylinder according to the present invention;

FIG. 7 is a schematic view of the water baffle of the present invention;

in the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. grounding a ground; 101. positioning holes; 2. a square cloth bag; 201. a cloth belt; 202. blocking; 3. covering cloth; 301. planting the opening; 4. a metal water receiving cylinder; 401. a cylindrical sleeve; 402. a water baffle; 403. a water-absorbing sponge; 404. a metal counterweight pipe; 405. a limiting stop lever; 5. a felt layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 7, an embodiment of the present invention includes: an environment-friendly ecological planting blanket capable of utilizing municipal sludge and a water and soil conservation method thereof comprise a ground contact cloth 1; the ground contact cloth 1 comprises positioning holes 101, six rows of positioning holes 101 which are longitudinally arranged are formed in the ground contact cloth 1 at equal intervals, metal rings are embedded in the six rows of positioning holes 101 and used for inserting ground anchor rods in a penetrating mode, the six rows of positioning holes 101 can facilitate the penetrating and nailing of the ground anchor rods, the ground contact cloth 1 can be firmly fixedly attached to a slope surface, the ground contact cloth is prevented from sliding down along the slope surface in the planting use process, five rows of square cloth bags 2 are arranged on the ground contact cloth 1 at equal intervals, and the five rows of square cloth bags 2 are located on the cloth surface between the six rows of positioning holes 101;

a square cloth bag 2; a square cover cloth 3 is fixed at the top end of the square cloth bag 2 through a magic tape; a cover cloth 3; the cover cloth 3 comprises planting openings 301, four rows of longitudinally arranged planting openings 301 are formed in the cover cloth 3 at equal intervals, and a metal water receiving cylinder 4 is inserted into each planting opening 301; the metal water receiving cylinder 4 further comprises water baffles 402, four rectangular water inlet grooves are formed in the circumferential outer wall of the water receiving cylinder 4 in an annular array in a penetrating manner, and one water baffle 402 is rotatably arranged in each of the four rectangular water inlet grooves; the metal water receiving cylinder 4 further comprises limiting stop rods 405, two limiting stop rods 405 are symmetrically welded on the inner walls of the metal water receiving cylinder 4 positioned on two sides of the top end section of the rectangular water inlet groove at four positions, and the two limiting stop rods 405 are supported upwards;

the covering cloth 3 is made of the same material as the ground contact cloth 1 and is formed by attaching an upper sun-proof cloth layer, a lower sun-proof cloth layer and a middle felt layer 5, the felt layer 5 absorbs water and stores water, the felt layer 5 inside the ground contact cloth 1 directly covers the soil surface of a slope, one of the covering cloth can shield sunlight and delay the evaporation of water in the soil of the slope to achieve the purpose of keeping water and soil, the other of the covering cloth can absorb stored rainwater, the stored rainwater can indirectly supply grass plants in the square cloth bag 2 to the humidity of the soil infiltrated into the soil of the slope, the felt layer 5 inside the covering cloth 3 directly blocks and covers an opening at the top end of the covering cloth, the one of the covering cloth can shield the sunlight and prevent the evaporation of the water in sludge inside the square cloth bag 2, the two felt layers 5 can absorb the stored water to keep the humidity of the sludge infiltrated into the square cloth bag 2, and ensure that the grass plants in the square cloth bag 2 have sufficient water supply, is favorable for promoting the growth of grass plants and reducing the withering and death rate of the grass plants.

Further, square sack 2 includes strap 201, the inside of sack 2 is that vertically and horizontally staggered is provided with seven strap 201, seven strap 201 with the inside crisscross four rows of planting check that fall into of sack 2, seven strap 201 of vertically and horizontally staggered can keep off the inside silt of 2 square sacks of fence, avoid silt to slide owing to the gravity action downward gathering on slope, cause the earth volume reduction of 2 upside parts of square sack to be unfavorable for the growth that the upside grass was planted, cause the mortality that the upside grass was planted to increase drastically, the planting that the blanket was planted in the influence is used.

Further, square sack 2 still includes block 202, four rows the planting check are used for splendid attire municipal sludge, and four seed metering plant check bottoms all cover and are provided with block 202, and block 202 can keep off the inside silt of the square sack 2 of fence, avoids silt to leak from the bottom of square sack 2 and spills out.

Further, the metal water receiving cylinder 4 comprises a cylindrical sleeve 401, the cylindrical sleeve 401 is welded at the center of the inside of the metal water receiving cylinder 4 in a vertical supporting mode, an annular water tank is formed between the cylindrical sleeve 401 and the metal water receiving cylinder 4, and the annular water tank is used for containing rainwater.

Further, the metal water receiving cylinder 4 further comprises a water absorbing sponge 403, two upper protruding short rods are symmetrically supported at the top end of the water baffle 402, an L-shaped water absorbing sponge 403 is fixedly bonded on the outer side surfaces of the two upper protruding short rods, the water absorbing sponge 403 protrudes outwards to support, when the water absorbing sponge 403 absorbs water in rainy days, the gravity of the water absorbing sponge 403 increases sharply, the water absorbing sponge 403 in four places can drive the water baffle 402 in four places to turn outwards under the driving of the gravity to open four rectangular water inlet grooves in the metal water receiving cylinder 4 for water inlet, further, the water baffle 402 in four places can be automatically opened to inject water into the square cloth bag 2 in rainy days, so that covered silt in the square cloth bag 2 can be fully supplied with rainwater for grass to grow, an empty groove is formed between the two upper protruding short rods at intervals, rainwater can directly contact with the water absorbing sponge 403 conveniently through the empty groove, and the water absorbing sponge 403 can absorb water rapidly, guarantee can in time open the moisturizing with rectangle intake chamber everywhere in the rainy day.

Further, the metal water receiving cylinder 4 further comprises a metal counterweight pipe 404, two inner protruding short rods are symmetrically supported on the inner side of the middle section of the water baffle 402, the head ends of the two inner protruding short rods are fixedly welded with one metal counterweight pipe 404, water in the four water absorption sponges 403 is gradually evaporated after rain stops, the weight of the water absorption sponge is reduced, at the moment, the four water baffle 402 can be driven to automatically rotate to close the four rectangular water inlet grooves under the driving of the counterweights of the four metal counterweight pipes 404, the four water absorption sponges 403 can automatically rotate to close in a sunny day, the water in sludge inside the square cloth bag 2 is prevented from being rapidly emitted through the four rectangular water inlet grooves, the water in the sludge is effectively kept for the grass to grow for a long time, and the potential hazard of drought of the grass planting is greatly reduced.

Further, when the water baffle 402 is rotated and closed, the two upper convex short rods at the top end of the water baffle are correspondingly abutted and contacted with the two limit stop rods 405, and the two limit stop rods 405 can abut against the limit water baffle 402, so that the situation that the rectangular water inlet groove on the metal water receiving cylinder 4 cannot be vertically closed due to interference inclined swing when the water baffle 402 is rotated and closed is avoided.

Further: comprises the following steps

1. Firstly, laying the touch ground fabric 1 on a slope, and then penetrating an anchor rod through six rows of metal rings in six rows of positioning holes 101 on the anchor rod to hammer the touch ground fabric 1 on the soil surface of the slope;

2. then, sequentially filling silt soil with the humidity of 50% into all the square cloth bags 2 to enable all the planting lattices in the square cloth bags 2 to be filled with the silt soil;

3. after the square cloth bag 2 is filled with soil, covering cloth 3 on the top opening of the square cloth bag 2 through magic tape;

4. finally, the grass-planted seedlings are transplanted into the planting grids in the square cloth bag 2 through the cylindrical sleeve 401 and the planting openings 301, and the installation and use method of the planting blanket is repeated.

In another embodiment, the metal water receiving cylinder 4 and the cylindrical sleeve 401 can be replaced by ppr plastic, which is not easy to rust, and the manufacturing cost is lower than that of metal materials, thereby being more beneficial to mass production.

The working principle is as follows: the anchor rods which can conveniently touch the ground can penetrate through the nails through the six rows of positioning holes 101, the ground touching cloth 1 can be firmly and fixedly attached to the slope surface, and the seven criss-cross cloth belts 201 can block and fence the sludge in the square cloth bag 2, so that the phenomenon that the sludge is gathered and slides downwards under the action of gravity on the slope, the soil amount of the upper side part of the square cloth bag 2 is reduced, the growth of the upper side grass plants is not facilitated, the death rate of the upper side grass plants is increased greatly, and the planting use of the planting blanket is influenced is avoided;

the barrier net 202 can block silt in the square cloth bag 2 to prevent the silt from leaking from the bottom of the square cloth bag 2, the two limiting blocking rods 405 can abut against the limiting water baffle 402 to prevent the rectangular water inlet groove on the metal water receiving cylinder 4 from being vertically closed due to interference inclined swinging when the water baffle 402 is rotated and closed;

when the water absorption sponges 403 at four places absorb water in a rainy day, the gravity of the water absorption sponges 403 increases sharply, the water absorption sponges 403 at four places drive the water baffle 402 at four places to turn outwards to open the rectangular water inlet grooves at four places on the metal water receiving cylinder 4 for water inlet under the drive of the gravity, then the water baffle 402 at four places can automatically open the water to inject water into the square cloth bag 2 in the rainy day, so that the covered sludge in the square cloth bag 2 can be fully supplied with rainwater for grass planting to grow, after the rain stops, the water in the water absorption sponges 403 at four places gradually evaporates, the weight of the water sponge is reduced, at the moment, the water baffle 402 at four places can be driven to automatically rotate under the drive of the counter weights of the metal counter weight pipes 404 to close the rectangular water inlet grooves at four places, then the water absorption sponges 403 at four places can automatically rotate to close in a sunny day, the water in the sludge in the square cloth bag 2 is prevented from being rapidly dispersed through the rectangular water inlet grooves at four places, and the water in the sludge can be effectively kept for the grass planting to grow for a long time, greatly reducing the drought hidden trouble suffered by grass planting.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.