CN210226375U - Device for increasing carbon dioxide application by using agricultural water - Google Patents
Device for increasing carbon dioxide application by using agricultural water Download PDFInfo
- Publication number
- CN210226375U CN210226375U CN201721053098.2U CN201721053098U CN210226375U CN 210226375 U CN210226375 U CN 210226375U CN 201721053098 U CN201721053098 U CN 201721053098U CN 210226375 U CN210226375 U CN 210226375U
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- gas
- water
- pressure
- equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 191
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 184
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 182
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 239000007789 gas Substances 0.000 claims abstract description 84
- 230000029553 photosynthesis Effects 0.000 claims abstract description 26
- 238000010672 photosynthesis Methods 0.000 claims abstract description 26
- 239000007864 aqueous solution Substances 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 9
- 238000003973 irrigation Methods 0.000 claims description 9
- 230000002262 irrigation Effects 0.000 claims description 9
- 230000001105 regulatory Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 238000000855 fermentation Methods 0.000 claims description 5
- 230000004151 fermentation Effects 0.000 claims description 5
- 239000003546 flue gas Substances 0.000 claims description 5
- 239000002894 chemical waste Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000003638 reducing agent Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000006200 vaporizer Substances 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims description 2
- 239000003337 fertilizer Substances 0.000 abstract description 5
- 230000001502 supplementation Effects 0.000 abstract description 4
- 230000001360 synchronised Effects 0.000 abstract description 2
- 239000012071 phase Substances 0.000 description 8
- 230000001276 controlling effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 235000011089 carbon dioxide Nutrition 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 238000004642 transportation engineering Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 239000007792 gaseous phase Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate dianion Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 210000003608 Feces Anatomy 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 230000000243 photosynthetic Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002194 synthesizing Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Abstract
The utility model discloses an utilize agricultural water to increase device of executing carbon dioxide belongs to agricultural science technical field. The utility model discloses utilize the change (henry's law) of carbon dioxide solubility under different gaseous partial pressures, increase method and the device of executing carbon dioxide. Firstly, carbon dioxide is dissolved in agricultural water, and then the carbon dioxide overflows from a water solution in a gaseous form and is released to the atmospheric environment through the use of the agricultural water, so that the purpose of increasing the concentration of the carbon dioxide in a plant photosynthesis area is achieved, and the synchronous and integrated conveying and supplementing of water, gas and fertilizer are realized.
Description
Technical Field
The utility model belongs to the technical field of the agricultural science, a use utilization agricultural water to increase device of executing carbon dioxide who promotes plant photosynthesis efficiency as the purpose is related to.
Background
Carbon dioxide is a basic raw material for synthesizing organic matters through plant photosynthesis, and carbon dioxide (350-450 ppm) contained in the atmosphere is supplied to the natural environment for plant growth. The research shows that: under the conditions of light, warm water and fertilizer and the like, the concentration is lower than the saturation point of carbon dioxide for most plants, and the photosynthetic efficiency cannot reach the maximum value. Agricultural facilities such as greenhouses pose an obstacle to the natural supply of environmental carbon dioxide, and in relatively closed plant growth environments, the shortage of carbon dioxide often becomes a major limiting factor that restricts plant growth. The carbon dioxide content is supplemented and properly increased to the plant growing area, the utilization rate of natural light energy can be increased, and the yield of crops is increased.
In long-term production practice, agricultural technicians explore various methods for supplementing carbon dioxide to closed spaces such as greenhouses and the like, and besides common natural ventilation, the following artificial application technologies adopted or gradually popularized are adopted: applying organic fertilizer to soil, and releasing carbon dioxide through fermentation; burning methane or liquefied gas to release carbon dioxide; acidifying carbonate to release carbon dioxide; burying and releasing dry ice; the industrial liquid carbon dioxide is used for quantitative supplement through a gas valve. The above-mentioned various methods of generating carbon dioxide have problems that the supply of carbon dioxide is not continuous and the concentration is difficult to control. Pure carbon dioxide is taken as a gas source, and the gas is supplied by regulating and controlling a gas control valve, so that the controllable and stable concentration of the carbon dioxide can be ensured, but the high cost restricts the popularization of the mature industrial technology in the agricultural field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the not enough of above-mentioned prior art, provide a device that utilizes agricultural water to increase and apply carbon dioxide. The utility model discloses utilize carbon dioxide under the change of different gaseous phase partial pressures in aquatic solubility, promote and descend through the gaseous phase partial pressure of carbon dioxide, obtain carbon dioxide and dissolve and release at aqueous solution, with the help of the use of agricultural water, carry the plant photosynthesis district and release atmospheric environment with carbon dioxide simultaneously, reach the purpose of increasing the application of carbon dioxide.
The utility model aims at realizing through the following technical scheme: a device for increasing the application of carbon dioxide by using agricultural water is characterized by comprising a carbon dioxide gas source device, a carbon dioxide dissolving device, a gas control system, an agricultural water conveying device and a carbon dioxide releasing device positioned in a plant photosynthesis area; the carbon dioxide concentration detector is used for detecting the carbon dioxide concentration in the carbon dioxide gas source equipment and the carbon dioxide dissolving equipment;
communicating a carbon dioxide gas source device with a carbon dioxide dissolving device through a gas control system, introducing carbon dioxide gas in the carbon dioxide gas source device into the carbon dioxide dissolving device, and lifting and maintaining the partial pressure of carbon dioxide in a gas phase part in the carbon dioxide dissolving device to be saturated atmospheric pressure through the gas control system; connecting a water outlet of the carbon dioxide dissolving device with an agricultural water conveying device so as to convey the aqueous solution to a plant photosynthesis area; the agricultural water conveying equipment is connected with the carbon dioxide releasing equipment, after the aqueous solution flows out of the carbon dioxide releasing equipment, the gas phase partial pressure of the carbon dioxide is reduced to 500Pa, and the excessive carbon dioxide in the aqueous solution overflows and is released into the atmospheric space of the plant photosynthesis area in a gaseous state.
Further, the carbon dioxide adopts pure carbon dioxide or industrial carbon dioxide exhaust gas; the purity of the pure carbon dioxide is more than 99.9 percent, and the pure carbon dioxide is a gaseous, liquid or solid carbon dioxide product; the industrial carbon dioxide emission gas is fermentation gas, chemical waste gas or flue gas;
when the carbon dioxide gas source is liquid carbon dioxide, a steel cylinder with a pressure reducer and a delivery pipe or a storage tank containing a vaporizer, a delivery pipe and a control and safety device can be adopted; when the carbon dioxide gas source is gaseous carbon dioxide, a conveying pipeline containing a control and safety device is adopted.
Furthermore, the carbon dioxide dissolving equipment is a closed agricultural water transfer tank which is provided with a water inlet and a water outlet and a carbon dioxide air inlet and is isolated from the atmosphere; the adopted closed method is a buoy, a closed container or a special pressure-resistant container; for the closed container, a pressure relief device is required to be installed at the top of the closed container.
Further, the agricultural water conveying equipment comprises a pressure-resistant water pipe with the pressure resistance of more than 0.45Mpa, a pump and a water flow control valve; the gas control system comprises a gas pressure reducing valve, a flow regulating valve and a pressure and temperature display instrument; the carbon dioxide releasing equipment is a drip irrigation pipe, a spray pipe, a mist culture pipe or a water curtain cooling system.
A method for increasing carbon dioxide application by using agricultural water is characterized by comprising the following steps:
1) firstly, introducing carbon dioxide into agricultural water, and increasing the gas phase partial pressure of the aqueous solution system to saturated atmospheric pressure to prepare a high-concentration carbon dioxide aqueous solution;
2) conveying the high-concentration carbon dioxide aqueous solution prepared in the step 1) to a plant photosynthesis area to be applied with carbon dioxide by using a water pipe with the pressure resistance of more than 0.45 Mpa;
3) reducing the partial pressure of carbon dioxide gas phase in the high-concentration carbon dioxide aqueous solution to 500Pa by the conventional use of agricultural water; the carbon dioxide dissolved in the high-concentration carbon dioxide aqueous solution overflows and is released to the plant photosynthesis area in a gaseous form;
4) the carbon dioxide release amount of the plant photosynthesis area is regulated and controlled by controlling the supply amount of the agricultural water and the gas phase partial pressure of the carbon dioxide.
Further, the agricultural water comprises irrigation water, water manure containing nutrient substances or humidifying and water curtain cooling water.
Further, the carbon dioxide comprises pure carbon dioxide or industrial carbon dioxide exhaust gas; the pure carbon dioxide is in a gas state, a liquid state or a solid state; the industrial carbon dioxide emission gas is fermentation gas, chemical waste gas or flue gas.
Further, the plant photosynthesis area refers to a sunlight greenhouse, a plant factory, or other planting area where an increase in the concentration of carbon dioxide in the environment is desired.
Further, in step 3), the conventional use of agricultural water comprises: drip irrigation, spraying and water curtain cooling.
Further, under normal temperature and pressure, the carbon dioxide supplement amount Y and the carbon dioxide concentration C of the gas sourceCO2Water supply V to photosynthesis zone of plantWater (W)The following relation is satisfied:
Y = K ( CCO2×Vwater (W))；
In the formula: y is the carbon dioxide increase amount required by the plant area and the unit is g/m2.hr ；
CCO2Is used for increasing the content of carbon dioxide in the gas, and the unit is V/V;
Vwater (W)Water supply to the plant area in L/m2.hr；
K is the product of the saturation solubility of carbon dioxide and the water density at the water temperature, and the unit is g/L.
Compare in the present existing carbon dioxide gas direct release increase and execute, the utility model has the advantages of:
1) the carbon dioxide is directly conveyed by using the existing agricultural water facilities without laying a separate gas pipeline;
2) the increasing amount of the carbon dioxide is controlled by blending the content of the carbon dioxide in the air source and the amount of the water and fertilizer for irrigation;
3) the increased application of carbon dioxide gas and the irrigation of water and fertilizer are carried out synchronously, and the raw material supply rule of plant photosynthesis is met.
The utility model discloses a method and a device for increasing and applying carbon dioxide by utilizing the solubility change (Henry's law) of carbon dioxide under different gas phase partial pressures. Firstly, carbon dioxide is dissolved in agricultural water, and then the carbon dioxide overflows from a water solution in a gaseous form and is released to the atmospheric environment through the use of the agricultural water, so that the purpose of increasing the concentration of the carbon dioxide in a plant photosynthesis area is achieved, and the synchronous and integrated conveying and supplementing of water, gas and fertilizer are realized.
Drawings
FIG. 1 is a schematic view of the present invention;
in the figure: A. CO22Gas source and control systems (i.e., carbon dioxide gas source equipment); B. CO22A dissolving device; C. a gas control system; D. a water supply pipe and a control system (namely agricultural water conveying equipment); E. CO2 releasing equipment; F. an intelligent carbon dioxide increasing and applying control system (namely a device for increasing and applying carbon dioxide by using agricultural water in the utility model); gAnd a CO2 concentration detector.
Detailed Description
The utility model discloses need to accomplish through four basic steps of carbon dioxide air supply and equipment selection, carbon dioxide dissolution, aqueous solution transport, carbon dioxide gas release. The steps are described as follows:
1. carbon dioxide gas source selection
1) Determination of an increased carbon dioxide gas source
Gaseous and liquid carbon dioxide products (the purity is more than 99.9%) can be adopted to meet the food-grade requirement, and high-concentration industrial carbon dioxide exhaust gas, such as fermentation gas, chemical waste gas, flue gas and the like, can be directly utilized and treated by special equipment.
2) Carbon dioxide gas source equipment A
And selecting different gas source equipment according to different carbon dioxide gas sources added and applied. The liquid carbon dioxide can be used in special steel cylinders or storage tanks, and the gaseous carbon dioxide is preferably conveyed by pipelines.
2. Dissolution of carbon dioxide in water
1) Carbon dioxide dissolving apparatus B
The dissolving device B is a closed agricultural water transfer tank which is provided with a water inlet and a water outlet and a carbon dioxide gas inlet and is isolated from the atmosphere. The sealing method can be a buoy or a closed container or a special pressure-resistant container. For a closed container, a pressure relief device is required to be installed at the top.
2) Dissolution of carbon dioxide
The equipment A is communicated with the equipment B through a gas control system C with a servo automatic adjusting function, carbon dioxide gas in the equipment A is introduced into the equipment B, and the partial pressure of the carbon dioxide in the gas phase part in the equipment B is increased and kept to be saturated pressure through the gas control system C.
3. Transport of carbon dioxide
The water outlet of the equipment B is connected with an agricultural water transportation pipeline D (namely agricultural water transportation equipment) provided with a control system, and the transportation pipeline D is required to have pressure resistance of more than 0.45Mpa (1.0 Mpa is taken as an example in the embodiment).
And quantitatively conveying the carbon dioxide aqueous solution in the equipment B to a sunlight greenhouse, a plant factory or other plant photosynthesis areas needing to improve the carbon dioxide concentration of the environment through a water pump or a liquid level difference and water quantity control system.
4. Carbon dioxide evolution
1) Irrigation release
The carbon dioxide aqueous solution delivered to the plant photosynthesis area is distributed to the respective irrigation branch pipes and flows out by drip irrigation or spraying, misting, or the like. After the flowing water solution flows out of the pipeline, the gas phase partial pressure of carbon dioxide is reduced to 500Pa, and excessive carbon dioxide in the solution overflows and is released into the atmospheric space of the plant photosynthesis area in a gaseous state.
2) Water curtain cooling release
For greenhouses cooled by water curtain fans, the carbon dioxide aqueous solution can be used as cooling water. Carbon dioxide released by the water solution flowing through the water curtain is pumped into the plant photosynthesis area by the fan, and the concentration of the carbon dioxide in the atmosphere in the area is increased.
5. Regulation of carbon dioxide application rate
At normal temperature and normal pressure, the supplement amount of carbon dioxide Y and the concentration of carbon dioxide C in the gas sourceCO2Water supply V to photosynthesis zone of plantWater (W)The following relation is satisfied:
Y = K ( CCO2×Vwater (W))；
In the formula:
y is the carbon dioxide increase amount required by the plant area and the unit is g/m2.hr；
CCO2Is used for increasing the content of carbon dioxide in the gas, and the unit is V/V;
Vwater (W)Water supply to the plant area in L/m2.hr；
A is the product of the saturation solubility of carbon dioxide and the water density at the water temperature, and the unit is g/L;
by regulating and controlling the carbon dioxide concentration C of the gas sourceCO2And water supply V of plant photosynthesis zoneWater (W)The control of the carbon dioxide application amount can be conveniently realized.
Example 1: at 25 deg.C, pureCarbon dioxide gas is used for supplementing carbon, and the application increasing amount is required to be 5g/m2Hr, the amount of water entering the photosynthesis zone is VWater (W)= (5/1.5 )/0.965 = 3.45 L/m2.hr。
Example 2: at 25 ℃, the application increasing amount is required to be 5g/m2Hr, using power plant flue gas (containing about 13% carbon dioxide) as gas source, and the required carrying water amount is VWater (W)= 〔5/（0.13×1.5 )〕/0.965 = 26.6 L/m2.hr。
6. The utility model discloses implement main device that relates to
1) Carbon dioxide gas source equipment A
According to the type of gas source, the method comprises the following steps:
-a cylinder of liquid carbon dioxide, containing a pressure reducer and a delivery pipe:
-a tank for liquid carbon dioxide containing a vaporizer and a delivery pipe, control and safety means:
gaseous carbon dioxide transport, comprising transport pipes, control and safety devices.
2) Carbon dioxide dissolving apparatus B
The following functional facilities should be present:
-sealing, which may be a buoy or a closed container;
-having a water inlet and outlet;
-having a carbon dioxide gas input;
-with overpressure protection;
with a homomixer.
3) Plant gas control system C through plant A, B
The method comprises the following steps:
-a gas pressure reducing valve with a servo-automatic regulation function;
-a flow regulating valve with a servo automatic regulating function;
-a pressure, temperature display instrument;
liquid carbon dioxide vaporisers (when a source of liquid carbon dioxide gas is used).
4) Agricultural water conveying equipment D
The method comprises the following steps:
-a pressure resistant water pipe;
-and a pump or other power means;
-a water flow control valve.
5) Carbon dioxide releasing equipment E
A drip irrigation pipe, a spray pipe, a fog cultivation pipe, a water curtain cooling system and the like which are positioned in the plant photosynthesis area.
6) System F for detecting and controlling pressure, content and water flow of carbon dioxide gas
-carbon dioxide from source gas concentration monitoring G;
-agricultural water flow monitoring and control;
-a carbon dioxide concentration monitor in the plant photosynthesis zone;
the intelligent control system after the combination of the above data.
Claims (4)
1. A device for increasing the application of carbon dioxide by using agricultural water is characterized by comprising a carbon dioxide gas source device, a carbon dioxide dissolving device, a gas control system, an agricultural water conveying device and a carbon dioxide releasing device positioned in a plant photosynthesis area; the carbon dioxide concentration detector is used for detecting the carbon dioxide concentration in the carbon dioxide gas source equipment and the carbon dioxide dissolving equipment; the carbon dioxide dissolving equipment is a closed agricultural water transfer tank which is provided with a water inlet and a water outlet and a carbon dioxide air inlet and is isolated from the atmosphere; the gas control system comprises a gas pressure reducing valve, a flow regulating valve and a pressure and temperature display instrument; the carbon dioxide release equipment is a drip irrigation pipe, a spray pipe, a mist culture pipe or a water curtain cooling system;
communicating a carbon dioxide gas source device with a carbon dioxide dissolving device through a gas control system, introducing carbon dioxide gas in the carbon dioxide gas source device into the carbon dioxide dissolving device, and lifting and maintaining the partial pressure of carbon dioxide in a gas phase part in the carbon dioxide dissolving device to be saturated atmospheric pressure through the gas control system; connecting a water outlet of the carbon dioxide dissolving device with an agricultural water conveying device so as to convey the aqueous solution to a plant photosynthesis area; the agricultural water conveying equipment is connected with the carbon dioxide releasing equipment, after the aqueous solution flows out of the carbon dioxide releasing equipment, the gas phase partial pressure of the carbon dioxide is reduced to 500Pa, and the excessive carbon dioxide in the aqueous solution overflows and is released into the atmospheric space of the plant photosynthesis area in a gaseous state.
2. The apparatus as claimed in claim 1, wherein the carbon dioxide is pure carbon dioxide or industrial carbon dioxide exhaust gas; the purity of the pure carbon dioxide is more than 99.9 percent, and the pure carbon dioxide is a gaseous, liquid or solid carbon dioxide product; the industrial carbon dioxide emission gas is fermentation gas, chemical waste gas or flue gas;
when the carbon dioxide gas source is liquid carbon dioxide, a steel cylinder with a pressure reducer and a delivery pipe or a storage tank containing a vaporizer, a delivery pipe and a control and safety device can be adopted; when the carbon dioxide gas source is gaseous carbon dioxide, a conveying pipeline containing a control and safety device is adopted.
3. The device for applying carbon dioxide to agricultural water as claimed in claim 1, wherein the intermediate transfer tank is closed by a buoy, a closed container or a special pressure-resistant container; for the closed container, a pressure relief device is required to be installed at the top of the closed container.
4. The apparatus as claimed in claim 1, wherein the agricultural water supply equipment comprises a pressure-resistant water pipe having a pressure resistance of 0.45Mpa or more, a pump, and a water flow control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721053098.2U CN210226375U (en) | 2017-08-22 | 2017-08-22 | Device for increasing carbon dioxide application by using agricultural water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721053098.2U CN210226375U (en) | 2017-08-22 | 2017-08-22 | Device for increasing carbon dioxide application by using agricultural water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210226375U true CN210226375U (en) | 2020-04-03 |
Family
ID=69960803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721053098.2U Expired - Fee Related CN210226375U (en) | 2017-08-22 | 2017-08-22 | Device for increasing carbon dioxide application by using agricultural water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210226375U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115606486A (en) * | 2022-11-30 | 2023-01-17 | 河北工程大学 | Carbon-rich water irrigation device |
| CN115606486B (en) * | 2022-11-30 | 2023-09-19 | 河北工程大学 | Rich carbon water irrigation equipment |
-
2017
- 2017-08-22 CN CN201721053098.2U patent/CN210226375U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115606486A (en) * | 2022-11-30 | 2023-01-17 | 河北工程大学 | Carbon-rich water irrigation device |
| CN115606486B (en) * | 2022-11-30 | 2023-09-19 | 河北工程大学 | Rich carbon water irrigation equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107306700B (en) | Method for increasing carbon dioxide application by using agricultural water and device used in method | |
| US20220315501A1 (en) | Soil enrichment systems and methods | |
| CN205848168U (en) | The warmhouse booth that micro-nano bubble is irrigated | |
| CN103194377B (en) | Biogas engineering product and agricultural planting combined comprehensive utilization system | |
| CN103025860A (en) | Method and apparatus for growing photosynthetic organisms | |
| CN102160505A (en) | Method and system for providing carbon dioxide and heat for greenhouse | |
| CN104396718A (en) | Intelligent rapid seedling propagation and breeding device which contains crystal energy | |
| CN103583350A (en) | Indoor all-day and full-automatic soilless culture incubator | |
| CN206506915U (en) | A kind of increasing device and its system by discharging with regulation of carbon dioxide concentration | |
| CN206212814U (en) | Intelligent planting vegetable device | |
| RU2405805C1 (en) | Method of obtaining nutrient solution for irrigation and/or feeding of cultivated plants | |
| CN103583272B (en) | Greenhouse tomato bears fruit rich water gas integral application process picking time | |
| CN210226375U (en) | Device for increasing carbon dioxide application by using agricultural water | |
| CN204968847U (en) | Atomizing supplies liquid cultigen phytem all | |
| CN201690821U (en) | Fully-closed air fertilizer supplementing device for environmental plant seedling | |
| KR101760024B1 (en) | Carbon Dioxide Enrichment Apparatus for Greenhouse | |
| CN207252351U (en) | A kind of equipment for increasing carbon dioxide | |
| CN104663416A (en) | Supply control system of soilless culture nutrient solution | |
| CN206350375U (en) | A kind of planting greenhouse of changes in temperature self-regulation | |
| CN107897000A (en) | A kind of farm's odor treatment method and system | |
| US20180070545A1 (en) | Ventusponic automated hydroponic plant growth apparatus and method | |
| RU129096U1 (en) | AGRICULTURAL RESOURCE SYSTEM OF AGRICULTURAL PRODUCTION | |
| CN215992118U (en) | Flower greenhouse constant temperature system | |
| CN215530643U (en) | Deep-shallow liquid flow plant cultivation environment regulation and control system | |
| CN211532092U (en) | Greenhouse heating system based on ground source heat pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 Termination date: 20200822 |