CN219586077U - Device for preparing carbon trapping-microalgae nutrient solution - Google Patents
Device for preparing carbon trapping-microalgae nutrient solution Download PDFInfo
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- CN219586077U CN219586077U CN202223331472.4U CN202223331472U CN219586077U CN 219586077 U CN219586077 U CN 219586077U CN 202223331472 U CN202223331472 U CN 202223331472U CN 219586077 U CN219586077 U CN 219586077U
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Abstract
The utility model provides a device for preparing carbon trapping-microalgae nutrient solution, which belongs to the technical field of carbon trapping and utilization, and comprises a carbon trapping unit, a CO2 collecting device and CO 2 The microalgae preparing unit further comprises a microalgae throwing device, a microalgae preparing device by a photoreactor, a microalgae throwing device and a microalgae nutrient solution preparing device; the microalgae organic fertilizer preparation device comprises a fermentation box communicated with an outlet of the microalgae preparation device of the photoreactor, the fermentation box is communicated with a mixing box through a feeding pipe, the upper part of the mixing box is communicated with an exhaust fan, and the lower part of the mixing box is respectively communicated with a dust collection box and a collecting box; the utility model provides a method for utilizing CO by carbon capture 2 A system for preparing microalgae nutrient solution, which can generate CO in the production process of thermal power plants, steel plants, cement plants, chemical plants and the like 2 As a carbon source plant to prepare a microalgae nutrient solution for photoreaction culture of microalgae by using available carbon sources.
Description
Technical Field
The utility model relates to the technical field of carbon trapping and utilization, in particular to a device for preparing carbon trapping-microalgae nutrient solution.
Background
How to treat a large amount of carbon dioxide discharged from fossil energy combustion is a key technology for coping with global climate change at present, wherein carbon capture, utilization and sequestration are particularly important by using a CCUS (CarbonCapture, utilizationandStorage), namely, carbon dioxide discharged from a production process is purified by using the CCUS and then put into a new production process for recycling, rather than simply sequestration.
There is a study on CCUS in the prior art, in which chinese patent CN13813774a mentions that carbon dioxide is provided to plants and microalgae in a concentration required for growth by using carbon capture technology, and how the microalgae are further utilized after cultivation, the patent is not disclosed.
Disclosure of Invention
The utility model aims to: the utility model aims to overcome the defects of the prior art, provides a device for preparing carbon trapping-microalgae nutrient solution, and utilizes the CCUS technology to prepare the microalgae nutrient solution so as to achieve the aim of optimal utilization.
The technical scheme is as follows: the device for preparing the carbon trapping-microalgae nutrient solution comprises a carbon trapping unit, a CO2 collecting device and CO 2 Preparation of microalgae Unit, CO 2 The microalgae preparation unit comprises a microalgae throwing device, an outlet of the microalgae throwing device is communicated with an inlet of the device for preparing microalgae by the photoreactor, and CO 2 The microalgae preparing unit further comprises a microalgae throwing device, an outlet of the microalgae throwing device is communicated with the population of the device for preparing microalgae by the photoreactor, and an outlet of the device for preparing microalgae by the photoreactor is communicated with an inlet of the device for preparing microalgae nutrient solution;
the microalgae nutrient solution preparation device comprises a fermentation tank communicated with an outlet of the microalgae preparation device of the photoreactor, the fermentation tank is communicated with a mixing tank through a feed pipe, the upper part of the mixing tank is communicated with an exhaust fan, and the lower part of the mixing tank is respectively communicated with a dust collection tank and a collecting tank;
the carbon capture unit is used for capturing CO 2 And CO is processed into 2 The CO2 is input into a CO2 collecting device for storage, and the CO2 collecting device outputs CO 2 Entering CO 2 The microalgae preparation unit is used for preparing microalgae nutrient solution; the microalgae nutrient solution preparation device obtains the microalgae nutrient solution through a fermentation process after the microalgae device obtains the treated microalgae raw material from the photoreactor preparation device.
Further, the dust box is communicated with the filtering device through a dust discharging pipe.
Further, the carbon capture unit includes CO 2 Source plant, CO 2 The outlet of the source factory is communicated with the inlet of the raw material gas collecting device, and the outlet of the raw material gas collecting device is communicated with the solid-liquid phase-change CO 2 The inlet of the trapping device is communicated, and the solid-liquid phase is changed into CO 2 The outlet of the trapping device is communicated with the inlet of the adsorption rectifying device, and the outlet of the adsorption rectifying device is communicated with CO 2 The collecting device is communicated.
Further, CO 2 The source plant is the production process which can generate CO in the thermal power plant, the steel plant, the cement plant and the chemical plant 2 Is a factory of (3).
Further, the device for collecting the raw material gas is used for collecting the secondary CO 2 CO from source plant emissions 2 And (3) a device.
Further, solid-liquid phase transition CO 2 The trapping device is used for trapping CO gas 2 The final liquid CO is obtained through compression, pressurization, dehumidification, desulfurization and refrigeration processes 2 Is provided.
Further, the adsorption rectifying device changes CO from solid to liquid 2 Liquid CO obtained by the trapping device 2 And a device for purifying.
Further, CO 2 The collecting device is used for purifying the liquid CO purified by the adsorption rectifying device 2 And means for collecting.
The beneficial effects are that: compared with the prior art, the utility model has the advantages that:
(1) The utility model provides a method for utilizing CO by carbon capture 2 A system for preparing microalgae nutrient solution, which can generate CO in the production process of thermal power plants, steel plants, cement plants, chemical plants and the like 2 As a carbon source plant to prepare available carbon sources for photoreaction culture of microalgae;
(2) Aiming at the further treatment of the cultured microalgae in the prior art, the microalgae nutrient solution which can be applied in industry is prepared through fermentation, mixing and other related processes;
(3) According to the technical characteristics of the CCUS, the microalgae nutrient solution is prepared, carbon capturing, utilizing and sealing technology is utilized to the greatest extent possible, and captured carbon is utilized according to the characteristics of high growth speed and wide variety of microalgae;
(4) According to fertilizer efficiency tests, the microalgae nutrient solution prepared by the utility model can be applied to rice planting together with an inorganic fertilizer, and has positive effects on rice planting.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural view of a microalgae nutrient solution preparation device.
Detailed Description
The technical scheme of the utility model is described in detail below through the drawings, but the protection scope of the utility model is not limited to the embodiments.
The device for preparing the carbon trapping-microalgae nutrient solution shown in fig. 1 comprises a carbon trapping unit and a CO2 collecting device, and is characterized in that: and also includes CO 2 Preparation of microalgae Unit, CO 2 The microalgae preparation unit comprises a microalgae throwing device, an outlet of the microalgae throwing device is communicated with an inlet of the device for preparing microalgae by the photoreactor, and CO 2 The microalgae preparing unit further comprises a microalgae throwing device, an outlet of the microalgae throwing device is communicated with the population of the device for preparing microalgae by the photoreactor, and an outlet of the device for preparing microalgae by the photoreactor is communicated with an inlet of the device for preparing microalgae nutrient solution;
the carbon capture unit comprises CO 2 Source plant, CO 2 SourceThe outlet of the factory is communicated with the inlet of the raw material gas collecting device, and the outlet of the raw material gas collecting device is communicated with the solid-liquid phase-change CO 2 The inlet of the trapping device is communicated, and the solid-liquid phase is changed into CO 2 The outlet of the trapping device is communicated with the inlet of the adsorption rectifying device, and the outlet of the adsorption rectifying device is communicated with CO 2 The collecting device is communicated. CO 2 The source plant is the production process which can generate CO in the thermal power plant, the steel plant, the cement plant and the chemical plant 2 Is a factory of (3). The device for collecting the raw gas is used for collecting CO 2 CO from source plant emissions 2 And (3) a device. Solid-liquid phase transition CO 2 The trapping device is used for trapping CO gas 2 The final liquid CO is obtained through compression, pressurization, dehumidification, desulfurization and refrigeration processes 2 Is provided. Solid-liquid phase change CO by adsorption rectifying device 2 Liquid CO obtained by the trapping device 2 And a device for purifying. CO 2 The collecting device is used for purifying the liquid CO purified by the adsorption rectifying device 2 And means for collecting.
The microalgae nutrient solution preparation device comprises a fermentation tank 8-1 communicated with an outlet of the microalgae preparation device of the photoreactor, wherein the fermentation tank 8-1 is communicated with a mixing tank 8-2 through a feed pipe, the upper part of the mixing tank 8-2 is communicated with an exhaust fan 8-4, and the lower part of the mixing tank is respectively communicated with a dust collection tank 8-5 and a collection tank 8-3; the dust box 8-5 is communicated with the filtering device 8-6 through a dust discharging pipe.
Fertilizer efficiency test demonstration 1:
the fertilizer efficiency test crop is continuous japonica No. 2, and the test method comprises the following steps: the strong seedlings are cultivated and transferred into a test field, the control group is applied with conventional inorganic fertilizer in the whole cultivation process of rice, the test example is applied with inorganic fertilizer and microalgae nutrient solution, and the field management measures are local conventional management measures.
The test results of the test examples and the control test are shown in Table 1.
TABLE 1 Rice yield under fertilization
The table shows that the microalgae nutrient solution prepared by the utility model has a promoting effect on the rice planting.
Experiment demonstration 2:
fertilization conditions: treatment one: base fertilizer 45% of compound fertilizer 25 kg/mu and urea 5 kg/mu; tillering promoting fertilizer: applying 15 kg/mu of urea in 2022, 6 and 25 days; and (2) treatment II: base fertilizer 45% of compound fertilizer 25 kg/mu and urea 5 kg/mu; tillering promoting fertilizer: and applying 13 kg/mu of urea in 25 days of 6 months. And thirdly, synchronously and equivalently fertilizing according to the treatment. Spike fertilizer: the fertilizer application amount is the same in each treatment, and 35% (25-0-15) compound fertilizer 20 kg/mu is applied in 28 days of 7 months of 2022.
Test results:
the rice has a certain yield increasing effect when the microalgae nutrient solution is applied, and the yield increasing effect reaches 3.88%; the microalgae nutrient solution applied to rice can increase yield by 2.05% under the condition of reducing the tiller fertilizer by 10%, which shows that the microalgae nutrient solution applied to rice can save the nitrogen fertilizer dosage, is environment-friendly, can enhance the disease resistance of rice to a certain extent, has low use cost, can expand demonstration in production, and can be popularized and applied in a large area after obtaining the large-area yield increasing effect.
Effects on rice disease:
as can be seen from the above table, the application of the microalgae nutrient solution (one) has a significant yield-increasing effect compared with the control. The microalgae nutrient solution is applied, so that the yield is most remarkable under the condition of not reducing the tillering fertilizer, the plant grows robustly, and the yield is increased by 3.88%; the microalgae nutrient solution can increase yield by 2.05% under the condition of reducing the tiller fertilizer by 10%. The main reason for the increase in yield is that the spike number is increased, which indicates that the microalgae nutrient solution can reduce fertilizer loss, improve the utilization rate of fertilizer, save fertilizer consumption and increase the tiller spike number of rice. And (II) the microalgae nutrient solution is environment-friendly, can reduce the generation of harmful gases in soil, lighten the occurrence of rice diseases, and has lower incidence degree than that of a control field which is not applied. And thirdly, the method for applying the microalgae nutrient solution is simple and convenient, and can adopt methods such as pouring, spraying and the like, so that the operation of agriculture is simple and easy. (IV) the microalgae nutrient solution is applied without increasing excessive production cost of farmers, and only the labor or mechanical cost of application is increased.
Influence on carbon emission reduction of rice:
rice CO with microalgae for reducing emission 2 And approximately 3-4 tons per hectare.
As described above, although the present utility model has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the utility model itself. Various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (8)
1. The utility model provides a device of carbon entrapment-little algae nutrient solution preparation, includes carbon entrapment unit and CO2 collection device, its characterized in that: and also includes CO 2 Preparing microalgae units, the CO 2 The microalgae preparation unit comprises a microalgae delivery device, wherein the outlet of the microalgae delivery device is communicated with the inlet of the microalgae preparation device of the photoreactor, and the outlet of the microalgae preparation device of the photoreactor is communicated with the inlet of the microalgae nutrient solution preparation device;
the microalgae nutrient solution preparation device comprises a fermentation tank communicated with an outlet of the microalgae preparation device by the photoreactor, wherein the fermentation tank is communicated with a mixing tank by a feeding pipe, the upper part of the mixing tank is communicated with an exhaust fan, and the lower part of the mixing tank is respectively communicated with a dust collection tank and a collection tank;
the carbon capture unit is used for capturing CO 2 And CO is processed into 2 Inputting into a CO2 collecting device for carrying outStoring, CO2 collecting device outputs CO 2 Entering CO 2 The microalgae preparation unit is used for preparing microalgae nutrient solution; the microalgae nutrient solution preparation device obtains the microalgae nutrient solution through a fermentation process after the microalgae device obtains the treated microalgae raw material from the photoreactor preparation device.
2. The apparatus for preparing a carbon capture-microalgae nutrient solution according to claim 1, wherein: the dust collection box is communicated with the filtering device through a dust discharge pipe.
3. The apparatus for preparing a carbon capture-microalgae nutrient solution according to claim 1, wherein: the carbon capture unit comprises CO 2 A source plant, said CO 2 The outlet of the source factory is communicated with the inlet of a raw material gas collecting device, and the outlet of the raw material gas collecting device is communicated with solid-liquid phase-change CO 2 The inlet of the trapping device is communicated, and the solid-liquid phase change CO 2 The outlet of the trapping device is communicated with the inlet of the adsorption rectifying device, and the outlet of the adsorption rectifying device is communicated with CO 2 The collecting device is communicated.
4. The apparatus for preparing a carbon capture-microalgae nutrient solution according to claim 3, wherein: the CO 2 The source factories can produce CO in the production process of thermal power plants, steel plants, cement plants and chemical plants 2 Is a factory of (3).
5. The apparatus for preparing a carbon capture-microalgae nutrient solution according to claim 3, wherein: the device for capturing the raw gas is used for capturing CO 2 CO from source plant emissions 2 And (3) a device.
6. The apparatus for preparing a carbon capture-microalgae nutrient solution according to claim 3, wherein: the solid-liquid phase change CO 2 The trapping device is used for trapping CO gas 2 The final liquid CO is obtained through compression, pressurization, dehumidification, desulfurization and refrigeration processes 2 Is provided.
7. The apparatus for preparing a carbon capture-microalgae nutrient solution according to claim 3, wherein: the adsorption rectifying device changes solid-liquid phase into CO 2 Liquid CO obtained by the trapping device 2 And a device for purifying.
8. The apparatus for preparing a carbon capture-microalgae nutrient solution according to claim 3, wherein: the CO 2 The collecting device is used for purifying the liquid CO purified by the adsorption rectifying device 2 And means for collecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223331472.4U CN219586077U (en) | 2022-12-13 | 2022-12-13 | Device for preparing carbon trapping-microalgae nutrient solution |
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| CN202223331472.4U CN219586077U (en) | 2022-12-13 | 2022-12-13 | Device for preparing carbon trapping-microalgae nutrient solution |
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