CN112237131A - Garden sprinkling irrigation system and sprinkling irrigation method - Google Patents
Garden sprinkling irrigation system and sprinkling irrigation method Download PDFInfo
- Publication number
- CN112237131A CN112237131A CN202011183399.3A CN202011183399A CN112237131A CN 112237131 A CN112237131 A CN 112237131A CN 202011183399 A CN202011183399 A CN 202011183399A CN 112237131 A CN112237131 A CN 112237131A
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- water storage
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Links
- 238000003973 irrigation Methods 0.000 title claims abstract description 40
- 230000002262 irrigation Effects 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 114
- 238000012806 monitoring device Methods 0.000 claims abstract description 67
- 238000001914 filtration Methods 0.000 claims abstract description 29
- 238000009434 installation Methods 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 9
- 239000002689 soil Substances 0.000 claims abstract description 7
- 238000000746 purification Methods 0.000 claims description 22
- 238000004891 communication Methods 0.000 claims description 21
- 239000007921 spray Substances 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 239000003814 drug Substances 0.000 claims description 4
- 229940079593 drug Drugs 0.000 claims description 3
- 238000005286 illumination Methods 0.000 abstract description 3
- 239000003621 irrigation water Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000035764 nutrition Effects 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000008635 plant growth Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000013014 water-saving technology Methods 0.000 description 1
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
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
- A01G25/167—Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- 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 invention relates to the field of garden sprinkling irrigation, in particular to a garden sprinkling irrigation system and a sprinkling irrigation method, which comprise a central controller, a water storage device, a video monitoring device, an environment monitoring device, a temperature monitoring device, a humidity monitoring device, an installation rod and a sprinkling device, wherein the water storage device comprises a water storage tank and a filtering tank, the water storage tank comprises a water inlet pipe and an observation port, the water inlet pipe is positioned at the top of the water storage tank and penetrates through the water storage tank, a water suction pump is arranged on the water inlet pipe, the humidity monitoring device and the temperature monitoring device are adopted to monitor the soil humidity and the temperature, and the collected data and the set data are analyzed and judged through a main control processing unit, so that the automatic control of sprinkling irrigation is realized, and the manpower; the flow control valve controls the flow, saves water resources, monitors and records the influence of wind speed, solar illumination and air conditions around the garden on plants planted in the garden through the environment monitoring device, and optimizes the planting of the plants better.
Description
Technical Field
The invention relates to the field of garden sprinkling irrigation, in particular to a garden sprinkling irrigation system and a sprinkling irrigation method.
Background
China is a big agricultural country, and farmlands need to be irrigated in a large area every year, but with the shortage of water resources, the low utilization rate of irrigation water and the increase of labor cost, water-saving technology and automatic sprinkling irrigation are widely applied.
Some sprinkler irrigation systems now need to spray and artificially judge the off-line time according to the manual observation, may cause the waste of water resource, sometimes spray irrigation degree not enough, influence crop growth.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a garden sprinkling irrigation system and a sprinkling irrigation method which are convenient to use and labor-saving.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the invention relates to an automatic garden sprinkling irrigation system, which comprises a central controller, a water storage device, a video monitoring device, an environment monitoring device, a temperature monitoring device, a humidity monitoring device, a mounting rod and a sprinkling device, wherein the water storage device comprises a water storage tank and a filtering tank, the water storage tank comprises a water inlet pipe and an observation port, the water inlet pipe is positioned at the top of the water storage tank and penetrates through the water storage tank, a water suction pump is arranged on the water inlet pipe, the observation port is positioned at the front side of the water storage tank, the water storage tank and a filtering tank bracket are provided with a connecting pipe for connection, the filtering pipe comprises a filtering layer, a purifying layer and a dosing layer, the filtering layer is close to the connecting pipe, a filtering net is arranged in the filtering layer, at least three layers are arranged in the filtering net, the purifying layer is communicated with the filtering layer, the top of the filtering, the rotary motor is provided with a rotary rod, the rotary rod penetrates through the filter tank and extends into the purification layer, the rotary rod is provided with a connecting rod, the connecting rod is provided with a biological purification membrane, the dosing tank is arranged at the top of the dosing layer, the dosing layer is communicated with the purification layer, a spray pipe is arranged between the dosing tank and the dosing layer and is communicated with the purification layer, the end part of the spray pipe is provided with a spray head, the spray pipe is provided with an electromagnetic valve, the filter tank is provided with a water outlet pipe, the water outlet pipe penetrates through the filter tank and is positioned at the bottom of the dosing layer, the water outlet pipe is provided with an electromagnetic valve, the spraying device comprises a pipe, a branch pipe, a vertical pipe and a sprayer, the pipe is connected with a water outlet pipe, the pipe is provided with a plurality of branch ports, the branch pipe is connected to the branch port of the pipe, the, the environment monitoring device, the temperature detection device, the humidity monitoring device and the video monitoring device are all arranged on the installation rod and are provided with wireless communication devices, the video monitoring device is arranged at the top of the installation rod, a rotating shaft is arranged between the video monitoring device and the installation rod and connected with the installation rod, a power supply module is arranged in the installation rod and is connected with the environment monitoring device, the temperature detection device, the humidity monitoring device and the video monitoring device through wires, the central controller is close to the water storage device and comprises a main control system, a wireless communication device, a data conversion device, a storage device, a display and a control key, the display and the control key are arranged on the outer side of the central controller, and the main control system, the wireless communication device, the data conversion device and the storage device are all arranged in the central controller, the wireless communication device is connected with the data conversion device through a transmission line, the data conversion device, the storage device, the display, the control key and the master control system are connected through transmission lines, a power supply module is further arranged in the central controller, and the water suction pump, the water outlet pump, the rotating motor, the electromagnetic valve and the central controller are connected through control lines.
In order to control the irrigation speed, the invention improves that the water pipe is provided with a flow control valve which is provided with a wireless communication device.
In order to improve the spraying range, the invention improves that the sprayer is a pressure type rotary spray head.
In order to improve the stability of the wireless communication device, the wireless communication module is one of WIFI and 4G networks.
In order to improve the connection tightness of the water inlet pipe and the water outlet pipe, the invention has the improvement that the end parts of the water inlet pipe and the water outlet pipe are respectively provided with a connecting valve.
In order to improve the sealing performance of the spraying device, the invention improves that the end parts of the water inlet pipe and the water outlet pipe are respectively provided with a connecting valve.
An automatic sprinkling irrigation method for gardens comprises the following steps;
1. the central controller is controlled and adjusted to set the required humidity and temperature range through the control key, when the data transmitted by the soil humidity monitoring device and the temperature monitoring device is higher than one set index, the main control processing unit automatically starts the water suction pump and the water outlet pump through the central controller, opens the rotating motor and the electromagnetic valve, purifies the water quality through a biological purification membrane and a dosing tank in a purification layer, and adds purification medicines;
2. the sprinkling device carries out sprinkling irrigation operation, and controls the flow control valve and the water quantity through the central controller;
3. and when the data transmitted by the humidity monitoring device and the temperature monitoring device are in the set humidity and temperature ranges, the main control processing unit automatically closes the rotating motor, the water suction pump, the water inlet pump, the electromagnetic valve and the flow control valve through the central controller.
(III) advantageous effects
Compared with the prior art, the invention provides an automatic sprinkling irrigation system and a sprinkling irrigation method for gardens, which have the following beneficial effects:
the automatic sprinkling irrigation system and the sprinkling irrigation method for the garden adopt the humidity monitoring device and the temperature monitoring device to monitor the soil humidity and the temperature, and the collected data and the set data are analyzed and judged through the main control processing unit, so that the automatic sprinkling irrigation is controlled, and the manpower and material resources are saved; flow control valve has controlled the size of flow, the water resource has been practiced thrift, wind speed around monitoring and record gardens through environment monitoring device, solar illumination and the air circumstance influence the plant of planting in the gardens, the planting of better optimization plant, through video monitoring device, keep watch on the environment around the gardens, prevent that gardens from suffering destruction easily, water quality of watering is purified through filter screen and the intraformational biological purification membrane of purification in the filter screen of crossing in the filter tank, through adding the material that the aquatic lacked in the medicine layer, improve the nutrition of watering, improve the growth of plant.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
The invention relates to an automatic garden sprinkling irrigation system, which comprises a central controller, a water storage device, a video monitoring device, an environment monitoring device, a temperature monitoring device, a humidity monitoring device, a mounting rod and a sprinkling device, wherein the water storage device comprises a water storage tank and a filtering tank, the water storage tank comprises a water inlet pipe and an observation port, the water inlet pipe is positioned at the top of the water storage tank and penetrates through the water storage tank, a water suction pump is arranged on the water inlet pipe, the observation port is positioned at the front side of the water storage tank, the water storage tank and a filtering tank bracket are provided with a connecting pipe for connection, the filtering pipe comprises a filtering layer, a purifying layer and a dosing layer, the filtering layer is close to the connecting pipe, a filtering net is arranged in the filtering layer, at least three layers are arranged in the filtering net, the purifying layer is communicated with the filtering layer, the top of the filtering, the rotary motor is provided with a rotary rod, the rotary rod penetrates through the filter tank and extends into the purification layer, the rotary rod is provided with a connecting rod, the connecting rod is provided with a biological purification membrane, the dosing tank is arranged at the top of the dosing layer, the dosing layer is communicated with the purification layer, a spray pipe is arranged between the dosing tank and the dosing layer and is communicated with the purification layer, the end part of the spray pipe is provided with a spray head, the spray pipe is provided with an electromagnetic valve, the filter tank is provided with a water outlet pipe, the water outlet pipe penetrates through the filter tank and is positioned at the bottom of the dosing layer, the water outlet pipe is provided with an electromagnetic valve, the spraying device comprises a pipe, a branch pipe, a vertical pipe and a sprayer, the pipe is connected with a water outlet pipe, the pipe is provided with a plurality of branch ports, the branch pipe is connected to the branch port of the pipe, the, the environment monitoring device, the temperature detection device, the humidity monitoring device and the video monitoring device are all arranged on the installation rod and are provided with wireless communication devices, the video monitoring device is arranged at the top of the installation rod, a rotating shaft is arranged between the video monitoring device and the installation rod and connected with the installation rod, a power supply module is arranged in the installation rod and is connected with the environment monitoring device, the temperature detection device, the humidity monitoring device and the video monitoring device through wires, the central controller is close to the water storage device and comprises a main control system, a wireless communication device, a data conversion device, a storage device, a display and a control key, the display and the control key are arranged on the outer side of the central controller, and the main control system, the wireless communication device, the data conversion device and the storage device are all arranged in the central controller, the wireless communication device is connected with the data conversion device through a transmission line, the data conversion device, the storage device, the display, the control key and the master control system are connected through transmission lines, a power supply module is further arranged in the central controller, and the water suction pump, the water outlet pump, the rotating motor, the electromagnetic valve and the central controller are connected through control lines.
When the intelligent irrigation system is used, the humidity monitoring device and the temperature monitoring device are adopted to monitor the soil humidity and the soil temperature, and the main control processing unit is used for analyzing and judging the collected data and the set data, so that automatic control of irrigation is realized, and manpower and material resources are saved; the flow control valve controls the flow, saves water resources, monitors and records the wind speed around the garden through the environment monitoring device, the influence of solar illumination and air condition on plants planted in the garden, better optimizes the planting prevention, monitors the environment around the garden through the video monitoring device, prevents the garden from being easily damaged, purifies the water quality of irrigation water through a filter screen in a filter layer in a filter tank and a biological purification membrane in a purification layer, adds substances lacking in water through a dosing layer, improves the nutrition of irrigation water, improves the growth of plants, the biological purification membrane drives a rotating rod and a connecting rod through a rotating motor to realize rotation, a central controller receives data through a wireless communication device and then carries out data analysis through a data conversion device, the central controller is convenient to control the main control system after being led into the main control system, and the obtained data are stored through a storage device to be convenient to correct, the data monitored by the humidity monitoring device, the temperature monitoring device, the environment monitoring device and the video monitoring device are conveniently displayed through the display, and the water level in the water storage tank is conveniently detected through the observation port.
In order to control the irrigation speed, the invention improves that the water pipe is provided with a flow control valve, the flow control valve is provided with a wireless communication device, and the flow of the water is controlled through the flow control valve, so that the irrigation speed is controlled.
In order to improve the spraying range, the invention improves that the sprayer is a pressure type rotating spray head, and the faster the sprayer rotates, the larger the water is sprayed.
In order to improve the stability of the wireless communication device, the wireless communication module is one of WIFI and 4G networks.
In order to improve the connection tightness of the water inlet pipe and the water outlet pipe, the invention has the improvement that the end parts of the water inlet pipe and the water outlet pipe are respectively provided with a connecting valve.
In order to improve the sealing performance of the spraying device, the invention improves that the end parts of the water inlet pipe and the water outlet pipe are respectively provided with a connecting valve.
An automatic sprinkling irrigation method for gardens is characterized by comprising the following steps;
1. the central controller is controlled and adjusted to set the required humidity and temperature range through the control key, when the data transmitted by the soil humidity monitoring device and the temperature monitoring device is higher than one set index, the main control processing unit automatically starts the water suction pump and the water outlet pump through the central controller, opens the rotating motor and the electromagnetic valve, purifies the water quality through a biological purification membrane and a dosing tank in a purification layer, and adds purification medicines;
2. the sprinkling device carries out sprinkling irrigation operation, and controls the flow control valve and the water quantity through the central controller;
3. and when the data transmitted by the humidity monitoring device and the temperature monitoring device are in the set humidity and temperature ranges, the main control processing unit automatically closes the rotating motor, the water suction pump, the water inlet pump, the electromagnetic valve and the flow control valve through the central controller.
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 (7)
1. An automatic sprinkling irrigation system for gardens is characterized by comprising a central controller, a water storage device, a video monitoring device, an environment monitoring device, a temperature monitoring device, a humidity monitoring device, an installation rod and a sprinkling device, wherein the water storage device comprises a water storage tank and a filtering tank, the water storage tank comprises a water inlet pipe and an observation port, the water inlet pipe is positioned at the top of the water storage tank and penetrates through the water storage tank, a water suction pump is arranged on the water inlet pipe, the observation port is positioned at the front side of the water storage tank, a measuring unit is arranged on the observation port, the water storage tank is connected with a connecting pipe arranged on a filtering tank support, the filtering pipe comprises a filtering layer, a purifying layer and a dosing layer, the filtering layer is close to the connecting pipe, a filtering net is arranged in the filtering layer, the filtering net is at least provided with three layers, the purifying layer is communicated with the, the rotating motor is positioned at the top of the purifying layer, the rotating motor is provided with a rotating rod, the rotating rod penetrates through the filter tank and extends into the purifying layer, the rotating rod is provided with a connecting rod, the connecting rod is provided with a biological purifying film, the dosing tank is positioned at the top of the dosing layer, the dosing layer is communicated with the purifying layer, a spray pipe is arranged between the dosing tank and the dosing layer and is communicated with the dosing layer, the end part of the spray pipe is provided with a spray head, the spray pipe is provided with an electromagnetic valve, the filter tank is provided with a water outlet pipe, the water outlet pipe penetrates through the filter tank and is positioned at the bottom of the dosing layer, the water outlet pipe is provided with an electromagnetic valve, the spraying device comprises a pipe, a branch pipe, a vertical pipe and a sprayer, the pipe is connected with a water outlet pipe, the pipe is provided with a plurality of branch interfaces, the branch pipe, the installation rod is provided with a plurality of installation rods, the environment monitoring device, the temperature detection device, the humidity monitoring device and the video monitoring device are all installed on the installation rod and are provided with wireless communication devices, the video monitoring device is installed at the top of the installation rod, a rotating shaft is arranged between the video monitoring device and the installation rod and connected with each other, a power supply module is arranged in the installation rod and connected with the environment monitoring device, the temperature detection device, the humidity monitoring device and the video monitoring device through wires, the central controller is close to the water storage device and comprises a main control system, a wireless communication device, a data conversion device, a storage device, a display and a control key, the display and the control key are installed on the outer side of the central controller, and the main control system, the wireless communication device, the data conversion device and the storage device are all installed in the central controller, the wireless communication device is connected with the data conversion device through a transmission line, the data conversion device, the storage device, the display, the control key and the master control system are connected through transmission lines, a power supply module is further arranged in the central controller, and the water suction pump, the water outlet pump, the rotating motor, the electromagnetic valve and the central controller are connected through control lines.
2. The automatic sprinkling irrigation system for gardens of claim 1, wherein the water pipe is provided with a flow control valve, and the flow control valve is provided with a wireless communication device.
3. The automatic sprinkler irrigation system for garden use of claim 1, wherein said sprinkler is a pressure type rotary sprinkler head.
4. The automatic sprinkling irrigation system for gardens of claim 1, wherein the wireless communication module is one of a WIFI network and a 4G network.
5. The automatic sprinkling irrigation system for gardens of claim 1, wherein the ends of the water inlet pipe and the water outlet pipe are provided with connecting valves.
6. The automatic sprinkling irrigation system for gardens of claim 1, wherein the joints of the branch ports on the ground pipes and the branch pipes and the joints of the vertical pipes and the branch pipes are connected by sealing pipes, and sealing gaskets are arranged in the sealing pipes.
7. An automatic sprinkling irrigation method for gardens is characterized by comprising the following steps;
1. the central controller is controlled and adjusted to set the required humidity and temperature range through the control key, when the data transmitted by the soil humidity monitoring device and the temperature monitoring device is higher than one set index, the main control processing unit automatically starts the water suction pump and the water outlet pump through the central controller, opens the rotating motor and the electromagnetic valve, purifies the water quality through a biological purification membrane and a dosing tank in a purification layer, and adds purification medicines;
2. the sprinkling device carries out sprinkling irrigation operation, and controls the flow control valve and the water quantity through the central controller;
3. when the data transmitted by the humidity monitoring device and the temperature monitoring device are in the set humidity and temperature ranges, the main control processing unit automatically closes the rotating motor, the water suction pump, the water inlet pump, the electromagnetic valve and the flow control valve through the central controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011183399.3A CN112237131A (en) | 2020-10-29 | 2020-10-29 | Garden sprinkling irrigation system and sprinkling irrigation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011183399.3A CN112237131A (en) | 2020-10-29 | 2020-10-29 | Garden sprinkling irrigation system and sprinkling irrigation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112237131A true CN112237131A (en) | 2021-01-19 |
Family
ID=74170301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011183399.3A Pending CN112237131A (en) | 2020-10-29 | 2020-10-29 | Garden sprinkling irrigation system and sprinkling irrigation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112237131A (en) |
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| CN209292109U (en) * | 2018-11-19 | 2019-08-23 | 江苏中远稀土新材料有限公司 | A kind of high-efficient sewage-purifying device |
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2020
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| KR101230927B1 (en) * | 2012-09-27 | 2013-02-15 | 조동국 | Vertical type city farm system linked to sewage treatment plant |
| CN107094492A (en) * | 2017-06-30 | 2017-08-29 | 合肥虎俊装饰工程有限公司 | A kind of garden management system based on Internet of Things |
| CN207845425U (en) * | 2017-12-08 | 2018-09-11 | 喻凌枫 | A kind of sewage treatment unit of household |
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Application publication date: 20210119 |
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