Movable carbon capture system applied to agriculture-harmonious buildings

Abstract

A movable carbon capture system applied to agriculture-harmonious buildings, which includes a carbon capture unit and a high-concentration CO.sub.2 supply unit which are respectively integrated, wherein the carbon capture unit comprises a CO.sub.2 adsorption chamber and an air pump, and the high-concentration CO.sub.2 supply unit comprises a vacuum pump and an air storage cavity; an air inlet of the CO.sub.2 adsorption chamber is connected to the indoor environment, an exhaust port of the CO.sub.2 adsorption chamber is connected to an atmosphere outlet, an air outlet of the CO.sub.2 adsorption chamber is connected with an air inlet of the vacuum pump, an air outlet of the vacuum pump is connected with an air inlet of the air storage cavity, an air outlet of the air storage cavity is connected with a greenhouse air supply port, and the greenhouse air supply port is connected with a greenhouse.

Claims

1. A movable carbon capture system applied to an agriculture-harmonious building comprising: a carbon capture unit and a high-concentration CO.sub.2 supply unit, wherein the carbon capture unit comprises a CO.sub.2 adsorption chamber and an air pump, and the high-concentration CO.sub.2 supply unit comprises a vacuum pump and an air storage cavity; an air inlet of the CO.sub.2 adsorption chamber connected to an indoor environment through the air pump, and a first electric control valve is arranged on an air conveying pipeline between the air pump and the indoor environment; an exhaust port of the CO.sub.2 adsorption chamber is connected to an atmosphere outlet, and a third electric control valve is arranged between the exhaust port of the CO.sub.2 adsorption chamber and the atmosphere outlet; and an air outlet of the CO.sub.2 adsorption chamber connected with an air inlet of the vacuum pump, and a second electric control valve is arranged on an air conveying pipeline between the air outlet of the CO.sub.2 adsorption chamber and the air inlet of the vacuum pump; an air outlet of the vacuum pump is connected with an air inlet of the air storage cavity, and an air outlet of the air storage cavity is connected with a greenhouse air supply port; a fourth electric control valve is arranged on an air conveying pipeline between the air outlet of the air storage cavity and the greenhouse air supply port; and the greenhouse air supply port is connected with a greenhouse.

2. The movable carbon capture system according to claim 1, wherein an adsorption material filled in the CO.sub.2 adsorption chamber is one of zeolite 13X, activated carbon, amino modified silica gel, and an organic metal framework.

3. The movable carbon capture system according to claim 1, wherein a desorption temperature in the CO.sub.2 adsorption chamber ranges from 80° C. to 150° C.

4. The movable carbon capture system according to claim 1, wherein the greenhouse is provided with a CO.sub.2 concentration detector for controlling a concentration of CO.sub.2 in the greenhouse to be 800-1500 μmol/mol in summer and 600-1000 μmol/mol in winter.

5. The movable carbon capture system according to claim 1, wherein the carbon capture unit and the high-concentration CO.sub.2 supply unit are respectively integrated.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) The drawing is a structural schematic diagram of a movable carbon capture system applied to agriculture-harmonious buildings in the present disclosure.

REFERENCE SIGNS

(2) 1, indoor environment; 2, air conveying pipeline; 3, first electric control valve; 4, air pump; 5, adsorption chamber; 6, second electric control valve; 7, third electric control valve; 8, vacuum pump; 9, air storage cavity; 10, atmosphere outlet; 11, greenhouse air supply port; 12, fourth electric control valve; and 13, CO.sub.2 concentration detector.

DETAILED DESCRIPTION OF THE EMBODIMENTS

(3) For the purpose that the summary, characteristics and effect of the present disclosure can be further understood, the following embodiments are exemplified and will be described in detail with reference to the attached FIGURES as follows:

(4) As shown in the drawing, the embodiment provides a movable carbon capture system applied to agriculture-harmonious buildings, and the movable carbon capture system mainly comprises a carbon capture unit and a high-concentration CO.sub.2 supply unit. If CO.sub.2 in the building is used as a carbon source to supply carbon fertilizer to a greenhouse, the content of CO.sub.2 in the building can be effectively reduced, and the requirement of plants for CO.sub.2 can also be met to the maximum extent.

(5) The carbon capture unit comprises a CO.sub.2 adsorption chamber 5 communicating with the interior of the indoor environment 1 in the building, an air pump 4 and an atmosphere outlet 10. An adsorption material filled in the CO.sub.2 adsorption chamber 5 can be zeolite 13X, activated carbon, amino modified silica gel, an organic metal framework (MOFs) and the like. The desorption temperature in the CO.sub.2 adsorption chamber 5 ranges from 80° C. to 150° C., and the temperature can fully utilize medium and low temperature exhaust heat generated in the fields of industry, agriculture, daily life and the like. An air inlet of the CO.sub.2 adsorption chamber 5 is connected with the air pump 4 and a first electric control valve 3 through an air conveying pipeline 2 in sequence, and is finally connected to the indoor environment 1. An exhaust port of the CO.sub.2 adsorption chamber 5 is connected with the atmosphere outlet 10, and a third electric control valve 7 is arranged on an air conveying pipeline 2 between the exhaust port of the CO.sub.2 adsorption chamber 5 and the atmosphere outlet 10.

(6) The high-concentration CO.sub.2 supply unit comprises a vacuum pump 8 and an air storage cavity 9. An air inlet of the vacuum pump 8 is connected with an air outlet of the CO.sub.2 adsorption chamber 5, and a second electric control valve 6 is arranged on an air conveying pipeline 2 between the vacuum pump 8 and the CO.sub.2 adsorption chamber 5. An exhaust port of the vacuum pump 8 is connected with an air inlet of the air storage cavity 9, an exhaust port of the air storage cavity 9 is connected with a greenhouse air supply port 11, and a fourth electric control valve 12 is arranged on an air conveying pipeline 2 between an exhaust port of the air storage cavity 9 and the greenhouse air supply port 11.

(7) The greenhouse air supply port 11 is connected to the greenhouse, the greenhouse is provided with a CO.sub.2 concentration detector 13, and the concentration of CO.sub.2 in the greenhouse can be controlled to be 800-1500 μmol/mol in summer and 600-1000 pmol/mol in winter.

(8) The carbon capture unit and the high-concentration CO.sub.2 supply unit in the movable carbon capture system are respectively integrated, can randomly move, and are convenient for running at different places.

(9) The working flow of the carbon capture unit in the present disclosure is as follows: after the first electric control valve 3 is opened, air in the indoor environment 1 in the building is sucked in by using the air pump 4, the air is fed into the CO.sub.2 adsorption chamber 5 through the air conveying pipeline 2, CO.sub.2 in the air is adsorbed by the adsorption material in the CO.sub.2 adsorption chamber 5, the second electric control valve 6 is closed, the third electric control valve 7 is opened, and the treated air is discharged into the atmosphere through the atmosphere outlet 10. The air pump 4 provides power for circular flow of air, and the adsorption chamber 5 guarantees that CO.sub.2 gas with high concentration is obtained. After running for a period of time, the first electric control valve 3 and the atmosphere outlet 10 are closed, and the CO.sub.2 adsorption chamber 5 starts to perform a desorption process to release CO.sub.2.

(10) The working flow of the high-concentration CO.sub.2 supply unit in the present disclosure is as follows: the second electric control valve 6, the third electric control valve 7 and the fourth electric control valve 12 are closed, the vacuum pump 8 is used for vacuumizing the air storage cavity 9, the second electric control valve 6 is opened, and high-concentration CO.sub.2 in the CO.sub.2 adsorption chamber 5 flows into the air storage cavity 9 under the action of pressure difference. The CO.sub.2 concentration detector 13 is opened to detect the concentration of CO.sub.2 in the greenhouse, when the concentration of CO.sub.2 in the greenhouse is lower than a standard value, the fourth electric control valve 12 is opened, high-concentration CO.sub.2 flows into the greenhouse, and when the concentration of CO.sub.2 in the greenhouse reaches a certain value, the fourth electric control valve 12 is closed, so that the concentration of CO.sub.2 in the greenhouse is kept at a stable value, and the growth of crops is guaranteed.

(11) In the system, the adsorption efficiency of CO.sub.2 in the atmosphere and the volume of the adsorption chamber depend on the property of the adsorption material in the adsorption chamber, the concentration of CO.sub.2 in the atmosphere, corresponding operation strategy requirements and the like.

(12) The CO.sub.2 collected by the carbon capture unit is used in the plant growth process of the greenhouse, so that the utilization of chemical fertilizer is reduced, the quality of plants is effectively improved, and no secondary pollution is caused to the environment. According to the movable carbon capture system, the concentration of indoor carbon dioxide can be effectively alleviated, and the movable carbon capture system is very suitable for CO.sub.2 capture in densely populated buildings and has certain universal significance.

(13) The embodiments of the present disclosure are described above with reference to the attached FIGURES, but the present disclosure is not limited to the foregoing embodiments. The foregoing embodiments are only illustrative rather than restrictive. Inspired by the present disclosure, those skilled in the art can still derive many specific variations without departing from the essence of the present disclosure and the protection scope of the claims. All these variations shall fall within the protection of the present disclosure.