CN111362749A - Plant nutrient solution extraction system - Google Patents
Plant nutrient solution extraction system Download PDFInfo
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- CN111362749A CN111362749A CN202010291309.6A CN202010291309A CN111362749A CN 111362749 A CN111362749 A CN 111362749A CN 202010291309 A CN202010291309 A CN 202010291309A CN 111362749 A CN111362749 A CN 111362749A
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- nutrient solution
- negative pressure
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- plant nutrient
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- 235000015097 nutrients Nutrition 0.000 title claims abstract description 50
- 238000000605 extraction Methods 0.000 title claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000008280 blood Substances 0.000 claims description 4
- 210000004369 blood Anatomy 0.000 claims description 4
- 238000001802 infusion Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 238000011161 development Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 38
- 241000196324 Embryophyta Species 0.000 description 27
- TYLVGQKNNUHXIP-MHHARFCSSA-N 10-deacetyltaxol Chemical compound O([C@H]1[C@H]2[C@@](C([C@H](O)C3=C(C)[C@@H](OC(=O)[C@H](O)[C@@H](NC(=O)C=4C=CC=CC=4)C=4C=CC=CC=4)C[C@]1(O)C3(C)C)=O)(C)[C@@H](O)C[C@H]1OC[C@]12OC(=O)C)C(=O)C1=CC=CC=C1 TYLVGQKNNUHXIP-MHHARFCSSA-N 0.000 description 4
- OVMSOCFBDVBLFW-VHLOTGQHSA-N 5beta,20-epoxy-1,7beta,13alpha-trihydroxy-9-oxotax-11-ene-2alpha,4alpha,10beta-triyl 4,10-diacetate 2-benzoate Chemical compound O([C@@H]1[C@@]2(C[C@H](O)C(C)=C(C2(C)C)[C@H](C([C@]2(C)[C@@H](O)C[C@H]3OC[C@]3([C@H]21)OC(C)=O)=O)OC(=O)C)O)C(=O)C1=CC=CC=C1 OVMSOCFBDVBLFW-VHLOTGQHSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 229960001592 paclitaxel Drugs 0.000 description 4
- 241001116500 Taxus Species 0.000 description 3
- 229930182986 10-Deacetyltaxol Natural products 0.000 description 2
- YWLXLRUDGLRYDR-UHFFFAOYSA-N 10-deacetylbaccatin Chemical compound CC(=O)OC12COC1CC(O)C(C(C(O)C1=C(C)C(O)CC3(O)C1(C)C)=O)(C)C2C3OC(=O)C1=CC=CC=C1 YWLXLRUDGLRYDR-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229930012538 Paclitaxel Natural products 0.000 description 2
- 229930014667 baccatin III Natural products 0.000 description 2
- DBXFAPJCZABTDR-WBYYIXQISA-N cephalomannine Chemical compound O([C@@H]1[C@]2(O)C[C@@H](C(=C([C@@H](OC(C)=O)C(=O)[C@]3(C)[C@@H](O)C[C@H]4OC[C@]4([C@H]31)OC(C)=O)C2(C)C)C)OC(=O)[C@H](O)[C@@H](NC(=O)C(/C)=C/C)C=1C=CC=CC=1)C(=O)C1=CC=CC=C1 DBXFAPJCZABTDR-WBYYIXQISA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- RCINICONZNJXQF-MZXODVADSA-N taxol Chemical compound O([C@@H]1[C@@]2(C[C@@H](C(C)=C(C2(C)C)[C@H](C([C@]2(C)[C@@H](O)C[C@H]3OC[C@]3([C@H]21)OC(C)=O)=O)OC(=O)C)OC(=O)[C@H](O)[C@@H](NC(=O)C=1C=CC=CC=1)C=1C=CC=CC=1)O)C(=O)C1=CC=CC=C1 RCINICONZNJXQF-MZXODVADSA-N 0.000 description 2
- ADDGUHVEJPNWQZ-FIKJQGJASA-N 10-Deacetylcephalomannine Natural products O=C(O[C@@H]1C(C)=C2[C@@H](O)C(=O)[C@]3(C)[C@@H](O)C[C@@H]4[C@](OC(=O)C)([C@H]3[C@H](OC(=O)c3ccccc3)[C@@](O)(C2(C)C)C1)CO4)[C@H](O)[C@@H](NC(=O)/C(=C\C)/C)c1ccccc1 ADDGUHVEJPNWQZ-FIKJQGJASA-N 0.000 description 1
- -1 7-xylose-taxol Chemical compound 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- DBXFAPJCZABTDR-KUEXGRMWSA-N Cephalomannine Natural products O=C(O[C@@H]1C(C)=C2[C@@H](OC(=O)C)C(=O)[C@]3(C)[C@@H](O)C[C@@H]4[C@](OC(=O)C)([C@H]3[C@H](OC(=O)c3ccccc3)[C@@](O)(C2(C)C)C1)CO4)[C@@H](O)[C@H](NC(=O)/C(=C\C)/C)c1ccccc1 DBXFAPJCZABTDR-KUEXGRMWSA-N 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 241001149649 Taxus wallichiana var. chinensis Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
- A01G23/10—Tapping of tree-juices, e.g. caoutchouc, gum
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
- A01G23/10—Tapping of tree-juices, e.g. caoutchouc, gum
- A01G23/14—Tapping-spouts; Receptacles for juices
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Hydroponics (AREA)
Abstract
The invention provides a plant nutrient solution extraction system, and relates to the technical field of nutrient solution extraction. This plant nutrient solution extraction system, the system includes syringe needle, gas-liquid linked valve, vacuum pressure jar and low temperature circulating vacuum pump, the syringe needle has negative pressure liquid bag or negative pressure fluid reservoir through the pipe connection, negative pressure liquid bag or negative pressure fluid reservoir pass through the pipe connection with the gas-liquid linked valve, carry out the both way junction through the pipeline between gas-liquid linked valve and the vacuum pressure jar, carry out the both way junction through the pipeline between vacuum pressure jar and the low temperature circulating vacuum pump. The method can directly extract the plant nutrient solution, does not need to obtain the plant nutrient solution in a chopping squeezing extraction mode, is beneficial to the protection of trees, is green and environment-friendly, is beneficial to sustainable development, and simultaneously has simple and convenient extraction mode and proper protection of the extracted nutrient solution.
Description
Technical Field
The invention relates to the technical field of nutrient solution extraction, in particular to a plant nutrient solution extraction system.
Background
In each growth period of the tree and in the process of transplanting the tree, targeted maintenance is needed, and proper plant extraction nutrient solution is input into the tree body, so that the survival of the tree is promoted, and the tree vigor is recovered. Nutrient solution or medicament is directly input into xylem of the tree body through the injection needle according to the required dosage and speed, which is more beneficial to rapidly supplementing nutrients compared with the traditional foliage spraying or plant root application, and the maintenance cost can be greatly reduced.
At present, the variety of special liquid extractors for trees is blank, and no equipment and technology for extracting plant nutrient solution exist in the market, so that a lot of inconvenience and trouble problems are brought to the extraction of the plant nutrient solution, and therefore, equipment and technology for extracting the plant nutrient solution are urgently needed to solve the problem of the extraction of the plant nutrient solution.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects in the prior art, the invention provides a plant nutrient solution extraction system, which solves the defects and shortcomings in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a plant nutrient solution extraction system, the system includes syringe needle, negative pressure liquid bag, gas-liquid coordinated valve, vacuum pressure jar and low temperature circulation vacuum pump, the syringe needle is connected with negative pressure liquid bag through the transfer line, negative pressure liquid bag passes through the pipe connection with the gas-liquid coordinated valve, pass through the pipe connection between gas-liquid coordinated valve and the vacuum pressure jar, pass through pipeline both way junction between vacuum pressure jar and the low temperature circulation vacuum pump.
Preferably, the needle head is made of stainless steel materials, the length of the needle head is 4.5-6.5cm, the needle head is of a hollow structure, the tail end of the needle head is a connecting end with a negative pressure liquid bag, the front section of the needle head is of a closed conical structure, and a plurality of infusion holes are formed in the middle section of the needle head.
Preferably, the negative pressure liquid bag consists of a medical blood transfusion bag and a small negative pressure tank.
Preferably, the gas-liquid linkage valve comprises a liquid tank body, the liquid tank body is connected with a negative pressure liquid bag, a main valve is fixedly mounted at the top of the liquid tank body, the main valve is connected with a steam-water separator through a pipeline, an exhaust valve is fixedly mounted at one end of the steam-water separator, a drain valve is fixedly mounted at the other end of the steam-water separator, and a vacuum air return pipe is fixedly connected to the side wall of the steam-water separator.
Preferably, the negative pressure liquid bag can be replaced by a negative pressure liquid tank.
The working principle is as follows: the needle head, the negative pressure liquid bag, the gas-liquid linkage valve, the vacuum pressure tank and the low-temperature circulating vacuum pump can be used for extracting small-sized plant nutrient solution, the needle head, the negative pressure liquid tank, the gas-liquid linkage valve, the vacuum pressure tank and the low-temperature circulating vacuum pump can be used for extracting medium-sized and large-sized plant nutrient solution, the liquid tank body is connected with the negative pressure liquid bag or the negative pressure liquid tank, the liquid discharge valve is connected with the vacuum pressure tank, when liquid is extracted, the main valve, the liquid discharge valve and the vacuum air return pipe are opened, the exhaust valve is closed, at the moment, nutrient solution is extracted from plants, the nutrient solution sequentially passes through the needle head, the negative pressure liquid bag or the negative pressure liquid tank, the liquid tank body, the main valve, the steam-water separator and the liquid discharge valve and enters the vacuum pressure tank, the vacuum pressure tank is connected with the low-temperature circulating vacuum pump, at the, at the moment, the gas-liquid linkage valve closes the main valve, the exhaust valve and the liquid discharge valve, the low-temperature circulating vacuum pump is started, carbon dioxide is generated and pressurized to the vacuum pressure tank, nutrient solution flows to the transport tank from the vacuum pressure tank, when the equipment does not work, the exhaust valve is opened when maintenance is carried out, and the exhaust valve is used for emptying.
(III) advantageous effects
The invention provides a plant nutrient solution extraction system. The method has the following beneficial effects:
1. the method can directly extract the plant nutrient solution, does not need to obtain the plant nutrient solution in a chopping squeezing extraction mode, is beneficial to the protection of trees, is green and environment-friendly, is beneficial to sustainable development, and simultaneously has simple and convenient extraction mode and proper protection of the extracted nutrient solution.
2. The invention has the advantages that the operation of the needle head is convenient, the blockage of the needle hole of the needle head can be avoided when the needle head is used, the wound caused by liquid extraction is small, the needle head can be used when being plugged, the needle head can be used repeatedly, and the needle head is particularly suitable for liquid extraction of trunks of trees with various specifications.
3. According to the invention, the extracted nutrient solution is operated in a full vacuum environment, so that the quality guarantee period of the nutrient solution is long, the quality of the product can be ensured, and the method has great advantages in long-distance transportation and fresh-keeping storage.
Drawings
FIG. 1 is a schematic diagram of a connection configuration of the system of the present invention;
FIG. 2 is a schematic diagram of another connection mode of the system of the present invention;
FIG. 3 is a schematic view of the needle head structure of the present invention;
FIG. 4 is a schematic view of the structure of the gas-liquid linkage valve of the present invention.
Wherein, 1, a needle head; 2. a negative pressure liquid bag; 3. a negative pressure liquid tank; 4. a gas-liquid linkage valve; 5. a vacuum pressure tank; 6. a low-temperature circulating vacuum pump; 41. a liquid tank body; 42. a main valve; 43. a steam-water separator; 44. an exhaust valve; 45. a drain valve; 46. and (4) a vacuum air return pipe.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1-4, an embodiment of the invention provides a plant nutrient solution extraction system, which comprises a needle 1, a negative pressure liquid bag 2, a gas-liquid linkage valve 4, a vacuum pressure tank 5 and a low-temperature circulating vacuum pump 6, wherein the needle 1 is connected with the negative pressure liquid bag 2 through a liquid conveying pipe, the negative pressure liquid bag 2 is connected with the gas-liquid linkage valve 4 through a pipeline, the gas-liquid linkage valve 4 is connected with the vacuum pressure tank 5 through a pipeline, and the vacuum pressure tank 5 is bidirectionally connected with the low-temperature circulating vacuum pump 6 through a pipeline. Wherein the negative pressure liquid bag 2 can be replaced by a negative pressure liquid tank 3 according to different plant types.
The method can directly extract the plant nutrient solution, does not need to obtain the plant nutrient solution in a chopping squeezing extraction mode, is beneficial to the protection of trees, is green and environment-friendly, is beneficial to sustainable development, and simultaneously has simple and convenient extraction mode and proper protection of the extracted nutrient solution.
The syringe needle 1 is made by stainless steel material, and the length of syringe needle 1 is 4.5-6.5cm, and syringe needle 1 is hollow structure, syringe needle 1 end be with the link of negative pressure liquid bag 2, syringe needle 1 anterior segment is airtight toper structure, a plurality of infusion holes have been seted up in syringe needle 1 middle section. The connection mode of the needle head 1 and the negative pressure liquid bag 2 is the same as the connection structure of transfusion.
The negative pressure liquid bag 2 is composed of a medical blood transfusion bag and a small negative pressure tank, the medical blood transfusion bag and the negative pressure tank are small in structure, wide in application range and particularly suitable for small plants, the negative pressure tank is a common pressure container and can be purchased in the market, and the negative pressure liquid tank 3 can be suitable for medium and large plants.
The gas-liquid linkage valve 4 comprises a liquid tank body 41, the liquid tank body 41 is connected with the negative pressure liquid bag 2 or the negative pressure liquid tank 3 through a liquid conveying opening arranged on the side face of the top, a main valve 42 is fixedly installed at the top of the liquid tank body 41, the main valve 42 is connected with a steam-water separator 43 through a pipeline, an exhaust valve 44 is fixedly installed at one end of the steam-water separator 43, a liquid discharge valve 45 is fixedly installed at the other end of the steam-water separator 43, a vacuum air return pipe 46 is fixedly connected to the side wall of the steam-water separator 43, and the liquid discharge valve 45 is connected.
The vacuum pressure tank 5 is used for storing the extracted nutrient solution until the nutrient solution in the vacuum pressure tank 5 is fully stored. The low-temperature circulating vacuum pump 6 is used for condensing gas, keeping the vapor pressure of condensate lower than the limit pressure of the pump, achieving the effect of pumping, extracting air in the vacuum pressure tank 5 and keeping the vacuum state in the vacuum pressure tank 5.
The specific working principle is as follows: when liquid is extracted, the main valve 42, the liquid discharge valve 45 and the vacuum return pipe 46 are opened, the exhaust valve 44 is closed, at the moment, nutrient solution is extracted from plants, the nutrient solution passes through the liquid tank body 41, the main valve 42, the steam-water separator 43 and the liquid discharge valve 45 in sequence and enters the vacuum pressure tank 5, the vacuum pressure tank 5 is connected with the low-temperature circulating vacuum pump 6, at the moment, the low-temperature circulating vacuum pump 6 is in a gas exhaust state until the vacuum pressure tank 5 is fully stored with the nutrient solution, at the moment, the nutrient solution is required to be discharged to the transport tank, the liquid discharge route of the nutrient solution flows from the low-temperature circulating vacuum pump 6 to the vacuum pressure tank 5, and then the gas-liquid linkage valve 4 flows into the transport tank from the vacuum pressure tank 5, at the moment, the main valve 42, the exhaust valve 44 and the drain valve 45 need to be closed, when the equipment does not work, the exhaust valve 44 is opened when maintenance is carried out, wherein the exhaust valve 44 is used for emptying.
According to the invention, after the plant nutrient solution is extracted, the taxus nutrient solution is detected, the HPLC is used for detecting the contents of 10-DAB, baccatin III, 7-xylose-taxol, 10-deacetyl-taxol, cephalomannine and taxol, and the detection results are shown in the following table 1:
| yew 1# (ten thousand points) | Yew 2# (ten thousand points) | |
| 10-DAB | 29.651 | 41.986 |
| Baccatin III | 1.247 | 1.711 |
| 7-xylose-paclitaxel | 1.632 | 0.617 |
| 10-deacetyl-taxol | 1.892 | 1.240 |
| Cephalomannine | 1.951 | 1.502 |
| Paclitaxel | 1.061 | 0.753 |
TABLE 1
As can be seen from the detection results shown in Table 1, the extraction system provided by the invention has the advantages that the extraction effect of the plant nutrient solution is obviously improved, the application range of the system provided by the invention is wide, the good technical effect and economic and social benefits are obtained in the extraction of the plant nutrient solutions such as taxus chinensis, bamboo and the like at present, and the system is suitable for all multi-fluid plants.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A plant nutrient solution extraction system which characterized in that: the system comprises a needle head (1), a negative pressure liquid bag (2), a gas-liquid linkage valve (4), a vacuum pressure tank (5) and a low-temperature circulating vacuum pump (6), wherein the needle head (1) is connected with the negative pressure liquid bag (2) through a liquid conveying pipe, the negative pressure liquid bag (2) is connected with the gas-liquid linkage valve (4) through a pipeline, the gas-liquid linkage valve (4) is connected with the vacuum pressure tank (5) through a pipeline, and the vacuum pressure tank (5) is connected with the low-temperature circulating vacuum pump (6) through a pipeline in a two-way mode.
2. The plant nutrient solution extraction system of claim 1, wherein: the syringe needle (1) is made by stainless steel material, and the length of syringe needle (1) is 4.5-6.5cm, and syringe needle (1) is hollow structure, syringe needle (1) end be with the link of negative pressure liquid bag (2), syringe needle (1) anterior segment is airtight toper structure, a plurality of infusion holes have been seted up in syringe needle (1) middle section.
3. The plant nutrient solution extraction system of claim 1, wherein: the negative pressure liquid bag (2) is composed of a medical blood transfusion bag and a small negative pressure tank.
4. The plant nutrient solution extraction system of claim 1, wherein: the gas-liquid linkage valve (4) comprises a liquid tank body (41), the liquid tank body (41) is connected with the negative pressure liquid bag (2), a main valve (42) is fixedly mounted at the top of the liquid tank body (41), the main valve (42) is connected with a steam-water separator (43) through a pipeline, an exhaust valve (44) is fixedly mounted at one end of the steam-water separator (43), a liquid discharge valve (45) is fixedly mounted at the other end of the steam-water separator (43), and a vacuum air return pipe (46) is fixedly connected to the side wall of the steam-water separator (43).
5. The plant nutrient solution extraction system of claim 1, wherein: the negative pressure liquid bag (2) can be replaced by a negative pressure liquid tank (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010291309.6A CN111362749B (en) | 2020-04-14 | 2020-04-14 | Plant nutrient solution extraction system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010291309.6A CN111362749B (en) | 2020-04-14 | 2020-04-14 | Plant nutrient solution extraction system |
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| Publication Number | Publication Date |
|---|---|
| CN111362749A true CN111362749A (en) | 2020-07-03 |
| CN111362749B CN111362749B (en) | 2024-05-28 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100000745U (en) * | 2008-07-15 | 2010-01-25 | 박시구 | Extracting apparatus for increasing plant sap |
| CN101960977A (en) * | 2010-08-07 | 2011-02-02 | 吴泽峰 | Sap suction device |
| CN104170670A (en) * | 2014-08-18 | 2014-12-03 | 丹阳市保得生态农林开发有限公司 | Fruit tree infusion device |
| CN212128015U (en) * | 2020-04-14 | 2020-12-11 | 云南智坤科技有限公司 | Plant nutrient solution extraction system |
-
2020
- 2020-04-14 CN CN202010291309.6A patent/CN111362749B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100000745U (en) * | 2008-07-15 | 2010-01-25 | 박시구 | Extracting apparatus for increasing plant sap |
| CN101960977A (en) * | 2010-08-07 | 2011-02-02 | 吴泽峰 | Sap suction device |
| CN104170670A (en) * | 2014-08-18 | 2014-12-03 | 丹阳市保得生态农林开发有限公司 | Fruit tree infusion device |
| CN212128015U (en) * | 2020-04-14 | 2020-12-11 | 云南智坤科技有限公司 | Plant nutrient solution extraction system |
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