CN214853387U - Vegetation drip irrigation device for mining area - Google Patents
Vegetation drip irrigation device for mining area Download PDFInfo
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- CN214853387U CN214853387U CN202120248076.1U CN202120248076U CN214853387U CN 214853387 U CN214853387 U CN 214853387U CN 202120248076 U CN202120248076 U CN 202120248076U CN 214853387 U CN214853387 U CN 214853387U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Abstract
The utility model relates to a device is driped irrigation to vegetation for mining area, it includes: the rainwater collecting device comprises a frame body, a liquid storage box, a rainwater collecting hopper and a plurality of filtering drippers, wherein the liquid storage box is fixedly arranged in the frame body, and the rainwater collecting hopper is arranged above the liquid storage box; the bottom of the liquid storage box is provided with a plurality of mounting bosses with valve switches, and the filtering liquid dropper is in one-to-one correspondence with the mounting bosses; the end can be dismantled with the installation bellying and be connected through connecting to stretch out to filter the dripper, is provided with fibre web layer, living beings carbon-layer, nutrition soil layer in the filter dripper and holds the chamber, and fibre web layer, living beings carbon-layer, nutrition soil layer and hold the chamber from last down distributing in proper order, filter the dripper the bottom still set up a plurality of and hold the drip hole of chamber intercommunication. The utility model discloses a fill is collected to the rainwater can transmit the mining area rainwater to holding the liquid incasement, and the mining area rainwater carries out purification treatment through filtering the dropping liquid head again, makes the mining area rainwater obtain purifying, prevents to pollute the vegetation root system.
Description
Technical Field
The utility model belongs to the technical field of geological ecological remediation, especially, relate to a device is driped irrigation to vegetation for mining area.
Background
Drip irrigation refers to local irrigation by delivering water to the roots of crops through orifices or drippers on a capillary tube with a diameter. Compared with spray irrigation, the drip irrigation has higher water-saving and yield-increasing effects, can be combined with fertilization, improves the fertilizer efficiency by more than one time, and can be used for field crop irrigation in arid water-deficient mining areas.
At present, traditional drip irrigation device includes the water storage box, and the top of water storage box is provided with the rainwater and collects the fill, and the rainwater is collected and is fought and can be used for driping irrigation in collecting the water storage box with the rainwater, reaches the effect of saving the water source, simple structure. However, due to the special environment of the mining area, the water body of the mining area is easy to be polluted, and under the circulating system of the natural environment, the rainwater in the mining area also contains higher harmful substance concentration, so that if the polluted rainwater is used for drip irrigation, the vegetation is not beneficial to growth.
Therefore, there is a need for a vegetation irrigation device for mining areas to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned technical problem and provide a device is driped irrigation to vegetation for mining area, it can solve present mining area rainwater and contain higher harmful substance concentration, if the rainwater after will polluting is used for driping irrigation, is unfavorable for the technical problem of the growth of vegetation.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a vegetation drip irrigation device for a mine area comprising: a frame body, a liquid storage box, a rainwater collecting hopper and a plurality of filtering liquid dropping heads, wherein,
the liquid storage box is fixedly arranged in the frame body, the rainwater collecting hopper is fixedly arranged above the liquid storage box, and the rainwater collecting hopper is connected with the liquid storage box;
the bottom of the liquid storage box is uniformly provided with a plurality of mounting bosses, the mounting bosses are provided with valve switches, and the filtering liquid dropper is in one-to-one correspondence with the mounting bosses;
the filtering dripper is provided with a connection extending end positioned at the top, the filtering dripper is detachably connected with the installation boss through the connection extending end, a fiber mesh layer, a biomass carbon layer, a nutrient soil layer and a containing cavity are arranged in the filtering dripper, the fiber mesh layer, the biomass carbon layer, the nutrient soil layer and the containing cavity are sequentially distributed from top to bottom, and a plurality of dripper holes communicated with the containing cavity are further formed in the bottom of the filtering dripper.
The utility model has the advantages that:
(1) the utility model discloses the rainwater collection fill can transmit the mining area rainwater to holding in the liquid case, and the mining area rainwater carries out purification treatment through filtering the dropping liquid head again, greatly reduced harmful substance concentration in the mining area rainwater, prevent to pollute the vegetation root system;
(2) the filtering dripper of the utility model can be flexibly arranged on the mounting lug boss at the bottom of the liquid storage box, is beneficial to timely replacing or cleaning the filtering dripper, ensures the normal work of the vegetation drip irrigation device, and is convenient and practical;
(3) the utility model discloses filter living beings carbon-layer, fibre web layer and the nutrition soil layer of dropping head and can purify pollutants such as heavy metal in the mining area rainwater, and the organic matter content of mining area rainwater can promote the growth of vegetation simultaneously.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the mounting boss is provided with an internal thread mounting hole with a downward opening; the outer wall of the connection extending end of the filtering liquid dropper is provided with an external thread, and the connection extending end is detachably connected with the internal thread mounting hole through the external thread.
The beneficial effect of adopting the further scheme is that: the connection extension end passes through external screw thread and internal thread mounting hole to realize filtering the quick installation of dripper and installation bellying, dismantle, the operation is swift, and it is simple to make, helps promoting.
Further, the fiber mesh layer and the biomass carbon layer are both arc-shaped, and both the fiber mesh layer and the biomass carbon layer are bent towards the top direction of the filtering dropping head.
The beneficial effect of adopting the further scheme is that: the fiber net layer and the biomass carbon layer are both arc-shaped and are bent towards the top direction of the filtering dripper, so that water flow can generate vortex in the filtering dripper, contact is increased, and the filtering efficiency is improved.
The liquid storage tank is characterized by further comprising a liquid inlet pipe positioned above the liquid storage tank, and one end of the liquid inlet pipe is connected with the liquid storage tank.
The beneficial effect of adopting the further scheme is that: can add auxiliary liquid or irrigation solution, simple and convenient to the liquid storage box through the feed liquor pipe.
The rack body is characterized by further comprising a first cross rod, a second cross rod, a first vertical rod and a second vertical rod, wherein the first cross rod and the second cross rod are symmetrically arranged on two sides of the rack body; one end of the second cross rod is fixedly connected with the side face of the frame body, and the other end of the second cross rod is hinged with one end of the second vertical rod.
The beneficial effect of adopting the further scheme is that: the support body can erect subaerial through first horizontal pole, second horizontal pole, first montant and second montant to filter the root system that the dripper can aim at the vegetation and drip irrigation work.
Further, a first inclined supporting rod is arranged between the first cross rod and the first vertical rod, a through hole A is formed in the lower end of the first inclined supporting rod, a plurality of first fixing holes are uniformly distributed in the first vertical rod at equal intervals, and the through hole A is detachably connected with the first fixing holes through bolts;
the second inclined supporting rod is arranged between the second cross rod and the second vertical rod, a through hole B is formed in the lower end of the second inclined supporting rod, a plurality of second fixing holes are uniformly distributed on the second vertical rod in an equidistant mode, and the through hole B is detachably connected with the second fixing holes through bolts.
The beneficial effect of adopting the further scheme is that: the included angle between first montant and the first horizontal pole can be made to change through first diagonal brace, can make the included angle between second montant and the second horizontal pole change through the second diagonal brace to adjust the orientation that the rainwater was collected and is fought, help improving the rainwater collection volume, also make things convenient for first montant and second montant to be fixed on the ground at mining area unevenness simultaneously.
Further, the bottom of the first vertical rod and the bottom of the second vertical rod are both provided with pointed cones.
The beneficial effect of adopting the further scheme is that: can increase the stability that first montant and second montant inserted in mining area soil through the pointed cone portion.
Further, a top cover is further arranged above the rainwater collecting hopper.
The beneficial effect of adopting the further scheme is that: the top cap can be collected the rainwater and fight and protect, prevents that the rainwater from collecting the inside of fighting and receiving the damage, increase of service life.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic structural view of the filtering dripper of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a frame body; 11. a first cross bar; 12. a second cross bar; 13. a first vertical bar; 131. a first fixing hole; 14. a second vertical bar; 141. a second fixing hole; 15. a first diagonal brace; 151. a through hole A; 16. a second diagonal brace; 161. a through hole B;
2. a liquid storage tank; 21. mounting a boss; 22. opening and closing a valve;
3. filtering the liquid dropping head; 31. connecting the extending end; 32. a fibrous web layer; 33. a biomass carbon layer; 34. a nutrient soil layer; 35. an accommodating chamber;
4. a water collection hopper;
5. a liquid inlet pipe;
6. a tapered section;
7. and a top cover.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The following is a further description of the present invention with reference to fig. 1 and 2:
in a first mode
This mode provides a vegetation drips irrigation device for mining area, combines fig. 1 and fig. 2, and it includes: a frame body 1, a liquid storage box 2, a rainwater collecting bucket 4 and a plurality of filtering liquid dropping heads 3, wherein,
the liquid storage tank 2 is fixedly arranged in the frame body 1, the rainwater collecting hopper 4 is fixedly arranged above the liquid storage tank 2, and the rainwater collecting hopper 4 is connected with the liquid storage tank 2;
a plurality of mounting bosses 21 are uniformly arranged at the bottom of the liquid storage tank 2, valve switches 22 are arranged on the mounting bosses 21, and the filtering liquid dropping heads 3 correspond to the mounting bosses 21 one by one;
the filtering dripper 3 is provided with a connecting extending end 31 positioned at the top, the filtering dripper 3 is detachably connected with the mounting boss 21 through the connecting extending end 31, a fiber mesh layer 32, a biomass carbon layer 33, a nutrient soil layer 34 and a containing cavity 35 are arranged in the filtering dripper 3, the fiber mesh layer 32, the biomass carbon layer 33, the nutrient soil layer 34 and the containing cavity 35 are sequentially distributed from top to bottom, and a plurality of dripper holes communicated with the containing cavity 35 are further formed in the bottom of the filtering dripper 3.
The mode can solve the technical problem that the polluted rainwater contains higher harmful substance concentration and is not beneficial to the growth of vegetation if the polluted rainwater is used for drip irrigation at present.
According to the method, the rainwater in the mining area can be transmitted into the liquid storage box 2 through the rainwater collection hopper 4, and then the rainwater in the mining area is purified through the filtering liquid dropper 3, so that the concentration of harmful substances in the rainwater in the mining area is greatly reduced, and the root system of vegetation is prevented from being polluted; the filtering dripper 3 can be flexibly arranged on the mounting lug boss 21 at the bottom of the liquid storage box 2, so that the filtering dripper 3 can be replaced or cleaned in time, the normal work of the vegetation drip irrigation device is ensured, and the convenience and the practicability are realized; the biomass carbon layer 33, the fiber net layer 32 and the nutrition soil layer 34 of the filtering liquid dropper 3 can purify pollutants such as heavy metals in the rainwater in the mining area, and meanwhile, the organic matter content of the rainwater in the mining area can promote the growth of vegetation.
Mode two
This mode provides a vegetation drips irrigation device for mining area, combines fig. 1 and fig. 2, and it includes: a frame body 1, a liquid storage box 2, a rainwater collecting bucket 4 and a plurality of filtering liquid dropping heads 3, wherein,
the liquid storage tank 2 is fixedly arranged in the frame body 1, the rainwater collecting hopper 4 is fixedly arranged above the liquid storage tank 2, and the rainwater collecting hopper 4 is connected with the liquid storage tank 2;
a plurality of mounting bosses 21 are uniformly arranged at the bottom of the liquid storage tank 2, valve switches 22 are arranged on the mounting bosses 21, and the filtering liquid dropping heads 3 correspond to the mounting bosses 21 one by one;
the filtering dripper 3 is provided with a connecting extending end 31 positioned at the top, the filtering dripper 3 is detachably connected with the mounting boss 21 through the connecting extending end 31, a fiber mesh layer 32, a biomass carbon layer 33, a nutrient soil layer 34 and a containing cavity 35 are arranged in the filtering dripper 3, the fiber mesh layer 32, the biomass carbon layer 33, the nutrient soil layer 34 and the containing cavity 35 are sequentially distributed from top to bottom, and a plurality of dripper holes communicated with the containing cavity 35 are further formed in the bottom of the filtering dripper 3;
the mounting boss 21 has an internal thread mounting hole with a downward opening; the outer wall of the connection extending end 31 of the filtering liquid dropper 3 is provided with an external thread, and the connection extending end 31 is detachably connected with the internal thread mounting hole through the external thread;
the rack is characterized by further comprising a first cross rod 11, a second cross rod 12, a first vertical rod 13 and a second vertical rod 14, wherein the first cross rod 11 and the second cross rod 12 are symmetrically arranged on two sides of the rack body 1, one end of the first cross rod 11 is fixedly connected with the side face of the rack body 1, and the other end of the first cross rod 11 is hinged with one end of the first vertical rod 13; one end of the second cross rod 12 is fixedly connected with the side surface of the frame body 1, and the other end of the second cross rod 12 is hinged with one end of the second vertical rod 14.
Thus, the frame body 1 can be erected on the ground through the first cross rod 11, the second cross rod 12, the first vertical rod 13 and the second vertical rod 14, so that the filtering dripper 3 can be aligned to the root system of vegetation for drip irrigation; the connection extension end 31 passes through the external thread and the internal thread mounting hole, so that the filtering dripper 3 and the mounting boss 21 can be quickly mounted and dismounted, the operation is quick, the manufacture is simple, and the popularization is facilitated.
Further, the fiber mesh layer 32 and the biomass carbon layer 33 are both arc-shaped, and the fiber mesh layer 32 and the biomass carbon layer 33 are both bent toward the top of the filter dripper 3.
In this way, the fiber mesh layer 32 and the biomass carbon layer 33 are both arc-shaped and are both bent toward the top of the filter dripper 3, and the water flow can be swirled in the filter dripper 3 to increase contact and improve filtration efficiency.
Further, still including being located hold liquid case 2 top's feed liquor pipe 5, the one end of feed liquor pipe 5 with hold liquid case 2 and be connected.
Like this, can add auxiliary liquid or irrigation solution, simple and convenient to store up in the liquid case 2 through feed liquor pipe 5.
Further, a first inclined strut 15 is arranged between the first cross rod 11 and the first vertical rod 13, a through hole a151 is arranged at the lower end of the first inclined strut 15, a plurality of first fixing holes 131 are uniformly distributed at equal intervals on the first vertical rod 13, and the through hole a151 is detachably connected with the first fixing holes 131 through bolts;
a second inclined strut 16 is arranged between the second cross rod 12 and the second vertical rod 14, a through hole B161 is arranged at the lower end of the second inclined strut 16, a plurality of second fixing holes 141 are uniformly distributed at equal intervals on the second vertical rod 14, and the through hole B161 is detachably connected with the second fixing holes 141 through bolts.
Like this, can make the contained angle between first montant 13 and the first horizontal pole 11 change through first diagonal brace 15, can make the contained angle between second montant 14 and the second horizontal pole 12 change through second diagonal brace 16 to adjust the orientation that the rainwater was collected and is fought 4, help improving rainwater collection volume, also make things convenient for first montant 13 and second montant 14 to fix on the ground at mine site unevenness simultaneously.
Further, the bottom of the first vertical rod 13 and the bottom of the second vertical rod 14 are both provided with a tapered portion 6.
In this way, the stability of insertion of the first and second vertical bars 13, 14 in the soil of the mine can be increased by the tapered portion 6.
Further, a top cover 7 is arranged above the rainwater collecting hopper 4.
Like this, top cap 7 can collect fill 4 to the rainwater and protect, prevents that the rainwater from collecting the inside of fighting 4 and receiving the damage, increase of service life.
The working principle and the steps are as follows:
s1, in work, arranging a frame body 1 and a water storage tank above vegetation in a mining area, and enabling the bottom of a filtering liquid dropper 3 to face the vegetation in the mining area;
s2, inserting the two sides of the frame body 1 into soil of a mining area through a first vertical rod 13 and a second vertical rod 14, and fixing the position of the filtering liquid dropper 3;
and S3, opening the valve switch 22 provided with the boss 21 to enable liquid in the liquid storage tank 2 to enter the filtering liquid dropper 3, and then performing drip irrigation on vegetation after sequentially passing through the fiber mesh layer 32, the biomass carbon layer 33, the nutrient soil layer 34 and the accommodating cavity 35.
The above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. The utility model provides a vegetation drip irrigation device for mining area which characterized in that, it includes: a frame body (1), a liquid storage box (2), a rainwater collecting hopper (4) and a plurality of filtering liquid dropping heads (3), wherein,
the liquid storage box (2) is fixedly arranged in the frame body (1), the rainwater collecting hopper (4) is fixedly arranged above the liquid storage box (2), and the rainwater collecting hopper (4) is connected with the liquid storage box (2);
a plurality of mounting bosses (21) are uniformly arranged at the bottom of the liquid storage box (2), valve switches (22) are arranged on the mounting bosses (21), and the filtering liquid dropper heads (3) correspond to the mounting bosses (21) one by one;
filter dropping head (3) and have the connection that is located the top and stretch out end (31), filter dropping head (3) through the connection stretch out end (31) with installation bellying (21) can be dismantled and be connected, be provided with fibre web layer (32), living beings carbon-layer (33), nutrition soil layer (34) and hold chamber (35) in filter dropping head (3), fibre web layer (32) living beings carbon-layer (33) nutrition soil layer (34) with hold chamber (35) from last down distributing in proper order, filter the bottom of dropping head (3) still seted up a plurality of with hold the drip hole of chamber (35) intercommunication.
2. A vegetation drip irrigation device for mining areas according to claim 1, characterized in that said mounting boss (21) has an internally threaded mounting hole with a downward opening; the outer wall of the connection extending end (31) of the filtering liquid dropper (3) is provided with an external thread, and the connection extending end (31) is detachably connected with the internal thread mounting hole through the external thread.
3. A vegetation drip irrigation device for mining areas according to claim 1 characterized in that said fibrous web layer (32) and said biomass carbon layer (33) are both arc-shaped and said fibrous web layer (32) and said biomass carbon layer (33) are both curved towards the top of said filtering dripper (3).
4. A vegetation drip irrigation device for mining areas according to claim 1, characterized by further comprising a liquid inlet pipe (5) located above the liquid storage tank (2), one end of the liquid inlet pipe (5) being connected with the liquid storage tank (2).
5. A vegetation drip irrigation device for mining areas according to any one of claims 1 to 4, further comprising a first cross bar (11), a second cross bar (12), a first vertical bar (13) and a second vertical bar (14), wherein the first cross bar (11) and the second cross bar (12) are symmetrically arranged at two sides of the frame body (1), one end of the first cross bar (11) is fixedly connected with the side surface of the frame body (1), and the other end of the first cross bar (11) is hinged with one end of the first vertical bar (13); one end of the second cross rod (12) is fixedly connected with the side face of the frame body (1), and the other end of the second cross rod (12) is hinged to one end of the second vertical rod (14).
6. A vegetation drip irrigation device for mining areas according to claim 5, characterized in that a first diagonal brace (15) is arranged between the first cross bar (11) and the first vertical bar (13), a through hole A (151) is arranged at the lower end of the first diagonal brace (15), a plurality of first fixing holes (131) are uniformly distributed at equal intervals on the first vertical bar (13), and the through hole A (151) is detachably connected with the first fixing holes (131) through bolts;
second diagonal brace (16) are arranged between the second cross rod (12) and the second vertical rod (14), a through hole B (161) is formed in the lower end of the second diagonal brace (16), a plurality of second fixing holes (141) which are uniformly distributed at equal intervals are formed in the second vertical rod (14), and the through hole B (161) is detachably connected with the second fixing holes (141) through bolts.
7. A vegetation drip irrigation device for mining areas according to claim 5 wherein the bottom of the first vertical bar (13) and the bottom of the second vertical bar (14) are both provided with a pointed cone (6).
8. A vegetation drip irrigation device for mining areas according to any one of claims 1 to 4 wherein a top cover (7) is further provided above the rain water collecting bucket (4).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120248076.1U CN214853387U (en) | 2021-01-28 | 2021-01-28 | Vegetation drip irrigation device for mining area |
| AU2021103617A AU2021103617A4 (en) | 2021-01-28 | 2021-06-25 | Vegetation drip irrigation device for mining areas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120248076.1U CN214853387U (en) | 2021-01-28 | 2021-01-28 | Vegetation drip irrigation device for mining area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214853387U true CN214853387U (en) | 2021-11-26 |
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ID=77195657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120248076.1U Active CN214853387U (en) | 2021-01-28 | 2021-01-28 | Vegetation drip irrigation device for mining area |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN214853387U (en) |
| AU (1) | AU2021103617A4 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114342783B (en) * | 2021-12-09 | 2023-12-05 | 绍兴市第一园林工程有限公司 | Irrigation equipment is collected with rainwater to municipal garden afforestation |
| CN114246125B (en) * | 2021-12-26 | 2023-09-15 | 山东百久源市政工程有限公司 | Afforestation device is collected with rainwater to municipal administration |
-
2021
- 2021-01-28 CN CN202120248076.1U patent/CN214853387U/en active Active
- 2021-06-25 AU AU2021103617A patent/AU2021103617A4/en not_active Ceased
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| AU2021103617A4 (en) | 2021-08-12 |
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