KR102253079B1 - Device and method of supplying carbon dioxide using dry ice - Google Patents

Abstract

A carbon dioxide supplying device according to an embodiment of the present invention includes: a suction unit configured to suck external air including first carbon dioxide from the outside and supply it to a mixing unit; A storage unit for storing dry ice and second carbon dioxide generated by sublimating the dry ice; And a mixing unit connected to the suction unit and the storage unit to be opened and closed, and configured to generate mixed carbon dioxide by mixing the first carbon dioxide supplied from the suction unit and the second carbon dioxide supplied from the storage unit.

Description

Carbon dioxide supply device and carbon dioxide supply method using dry ice {DEVICE AND METHOD OF SUPPLYING CARBON DIOXIDE USING DRY ICE}

The present invention relates to an apparatus for supplying carbon dioxide and a method of supplying carbon dioxide using dry ice, and is for supplying carbon dioxide necessary for the growth of crops by controlling the concentration of carbon dioxide gas by generating and storing carbon dioxide and mixing with external air.

In general, crops are photosynthesized by sunlight during the day and breathe at night. Crop grows by absorbing carbon dioxide during the daytime. If carbon dioxide in the air in the green house is insufficient, photosynthesis is poor, resulting in poor growth of crops as well as reduced yield, causing enormous damage to farm household income.

Therefore, in order to prevent such damage, when some crops are grown, carbon dioxide is artificially supplied to the greenhouse so that photosynthesis can be performed well.

However, the conventional method of supplying carbon dioxide in a greenhouse is suitable for large-scale greenhouses because a separate system must be installed, and there are problems such as insufficient installation space and excessive cost to be used in a single-dong vinyl house.

An object of the present invention is to provide a carbon dioxide supply device and a carbon dioxide supply method for promoting crop growth and increasing yield by supplying carbon dioxide gas into a greenhouse in which crops are grown, thereby activating photosynthesis of crops.

In addition, an object of the present invention is to provide a carbon dioxide supplying apparatus and a carbon dioxide supplying method capable of reducing carbon dioxide production cost by mixing and using stored carbon dioxide and carbon dioxide in the outside air.

A carbon dioxide supplying device according to an embodiment of the present invention includes: a suction unit configured to suck external air including first carbon dioxide from the outside and supply it to a mixing unit; A storage unit for storing dry ice and second carbon dioxide generated by sublimating the dry ice; And a mixing unit connected to the suction unit and the storage unit to be opened and closed, and configured to generate mixed carbon dioxide by mixing the first carbon dioxide supplied from the suction unit and the second carbon dioxide supplied from the storage unit.

In one embodiment of the present invention, the suction unit, an inlet through which external air is introduced; And a control plate that is rotatably disposed inside the inlet and controls an opening/closing of the inlet to control an intake amount of external air.

In an embodiment of the present invention, the storage unit comprises: a storage tank in which dry ice is stored; A weight sensor disposed under the storage tank to measure the weight of dry ice; And a gas sensor measuring the concentration of carbon dioxide generated from dry ice.

In one embodiment of the present invention, the mixing unit is disposed on one side of the mixing unit so that the mixed carbon dioxide is supplied to the greenhouse, and includes a supply pipe communicating the interior of the mixing unit and the inside of the greenhouse.

In one embodiment of the present invention, the supply pipe communicates the inside of the supply pipe located inside the greenhouse and the inside of the greenhouse so that the mixed carbon dioxide is evenly distributed inside the greenhouse, but is arranged with a predetermined distance on the side of the supply pipe. It has a distribution hole.

In an embodiment of the present invention, the mixing unit includes a blower disposed to face the supply pipe on the other side of the mixing unit so that the mixed carbon dioxide flows into the supply pipe, and generates air in one direction.

The carbon dioxide supplying apparatus according to an embodiment of the present invention further includes a driving unit that generates a driving force required for the operation of the blower and supplies the driving force to the blower.

A carbon dioxide supplying device according to an embodiment of the present invention includes a cooler for generating cold water; A circulation line connecting the cooler and the storage unit; And a circulation unit including a circulation pump disposed on one side of the circulation line to generate hydraulic pressure so that cold water circulates between the cooler and the storage unit along the circulation line.

The carbon dioxide supply device according to an embodiment of the present invention controls the suction amount of the first carbon dioxide sucked into the suction unit, the dry ice weight and the second carbon dioxide concentration of the storage unit through monitoring of the carbon dioxide supply unit, and the suction unit or the storage unit It further includes a control unit for respectively controlling the opening and closing between the and the mixing unit.

A method of supplying carbon dioxide according to an embodiment of the present invention includes: a suction step in which the suction unit sucks external air including first carbon dioxide from the outside; A storage step of storing dry ice and second carbon dioxide generated by sublimating the dry ice; A circulation step of circulating cold water between the cooler and the storage unit through a circulation line connecting the cooler and the storage unit for generating cold water by the circulation unit; A mixing step in which the mixing unit mixes the first carbon dioxide supplied from the suction unit and the second carbon dioxide supplied from the storage unit to generate mixed carbon dioxide; A supply step of supplying the mixed carbon dioxide into the greenhouse through a supply pipe in which the mixing unit communicates the interior of the mixing unit and the interior of the greenhouse; A monitoring step in which the control unit monitors internal conditions such as carbon dioxide concentration, temperature, and humidity inside the suction unit, the storage unit, and the mixing unit; And a control step of controlling, by the control unit, an inhalation amount of the first carbon dioxide sucked into the suction unit, the dry ice weight of the storage unit, and the second carbon dioxide concentration, and respectively controlling the opening and closing between the suction unit or the storage unit and the mixing unit.

The carbon dioxide supplying apparatus according to an embodiment of the present invention has an effect of promoting crop growth and increasing yield by activating photosynthesis of crops by supplying carbon dioxide gas into a greenhouse in which crops are grown.

In addition, since the carbon dioxide supplying apparatus according to an embodiment of the present invention uses a mixture of stored carbon dioxide and carbon dioxide in the outside air, there is an effect of reducing the production cost of carbon dioxide gas.

1 is a block diagram of an apparatus for supplying carbon dioxide according to an embodiment of the present invention.
2 and 3 are schematic diagrams of a carbon dioxide supplying apparatus according to an embodiment of the present invention.
4 is a flow chart showing a method of supplying carbon dioxide according to an embodiment of the present invention.

Hereinafter, some embodiments of the present invention will be described in detail through exemplary drawings. In adding reference numerals to elements of each drawing, it should be noted that the same elements are assigned the same numerals as possible, even if they are indicated on different drawings. In addition, in describing the present invention, when it is determined that a detailed description of a related known configuration or function may obscure the subject matter of the present invention, a detailed description thereof will be omitted.

1 is a block diagram of an apparatus for supplying carbon dioxide according to an embodiment of the present invention.

Referring to FIG. 1, a carbon dioxide supplying apparatus 10 according to an embodiment of the present invention includes a suction unit 110, a storage unit 120, and a mixing unit 130.

First, the suction unit 110 performs a function of suctioning external air including first carbon dioxide from the outside and supplying it to the mixing unit 130.

Although not shown in the drawing, the suction unit 110 may include a vacuum pump that provides gas suction power, and may be provided so that external air is naturally sucked as an air pressure difference is formed through the vacuum pump.

The vacuum pump may be disposed outside the suction unit 110 and is not limited as long as it is a type capable of providing gas suction power to the suction unit 110.

The inside of the suction unit 110 may be provided so as to be separately provided with a collector capable of collecting the first carbon dioxide in the outside air. Accordingly, there is an advantage of maintaining a high concentration of the first carbon dioxide supplied to the mixing unit 130 to be described later.

The storage unit 120 stores dry ice 1211 and second carbon dioxide generated by sublimating the dry ice 1211.

A sublimator for sublimating dry ice 1211 and a storage tank for storing second carbon dioxide generated through the sublimation may be provided inside the storage unit 120.

The mixing unit 130 generates mixed carbon dioxide by mixing the first carbon dioxide supplied from the above-described suction unit 110 and the second carbon dioxide supplied from the storage unit 120.

In this case, the mixing unit 130 may be provided to be connected to the suction unit 110 and the storage unit 120 to be opened and closed.

For example, a separate opening and closing door may be provided at a connection portion between the mixing unit 130 and the suction unit 110 or between the mixing unit 130 and the storage unit 120 to enable independent opening and closing operations.

The opening and closing door may be controlled to be opened or closed by a controller to be described later, and in addition, the opening and closing between the mixing unit 130 and the suction unit 110 or the storage unit 120 may be controlled through various means.

Accordingly, the mixing ratio of the mixed carbon dioxide may be controlled through independent adjustment of the supply amount of the first carbon dioxide and the second carbon dioxide supplied to the mixing unit 130.

The carbon dioxide supply device 10 according to the embodiment of the present invention including the above-described configuration uses the stored carbon dioxide and carbon dioxide in the outside air to mix and use, so that the carbon dioxide production cost using the dry ice 1211 can be reduced. There is an effect that can be.

In addition, by supplying carbon dioxide gas to the inside of a greenhouse where crops grow, there is an effect of promoting the growth of crops and increasing the yield by activating photosynthesis of crops.

In addition, there is an effect of being able to control conditions such as concentration, temperature, and humidity of carbon dioxide supplied into the greenhouse to suit the environment inside the greenhouse.

In the above, the basic configuration of the carbon dioxide supply device 10 according to an embodiment of the present invention has been described. Hereinafter, a detailed configuration of the carbon dioxide supply device 10 according to an embodiment of the present invention will be described.

2 and 3 are schematic diagrams of a carbon dioxide supplying apparatus 10 according to an embodiment of the present invention.

Referring to FIG. 2, the intake unit 110 is rotatably disposed inside the inlet 111 and the inlet 111 through which external air is introduced, and the amount of external air intake is controlled by controlling the opening and closing of the inlet 111. It may include a control plate 112 to adjust.

The control plate 112 may be provided to be inclined at a predetermined angle, and as the direction of movement of the introduced external air is kept constant, there is an advantage of making the flow of the external air more smooth.

The shape of the control plate 112 is not limited to the drawings, and may be provided in the form of an openable door other than a rotatable structure, and is not limited to a specific shape.

Subsequently, the storage unit 120 includes a storage tank 121 in which the dry ice 1211 is stored, a weight sensor 122 and dry ice disposed under the storage tank 121 to measure the weight of the dry ice 1211. A configuration of the gas sensor 123 for measuring the concentration of carbon dioxide generated from 1211) may be included.

As the storage unit 120 includes the above components, the residual amount of dry ice 1211 in the storage unit 120 and the concentration of carbon dioxide generated by sublimating the dry ice 1211 can be measured in real time. Accordingly, there is an advantage of being able to maintain a constant supply amount and concentration of carbon dioxide supplied to the mixing unit 130.

In addition, the storage unit 120 may further include a temperature sensor and a humidity sensor. The above-described sensors may be provided to be controlled through a control unit to be described later.

Subsequently, the mixing unit 130 is disposed on one side of the mixing unit 130 so that the mixed carbon dioxide is supplied to the greenhouse 20, and a supply pipe 131 communicating the interior of the mixing unit 130 and the greenhouse 20 It may include.

At this time, one end of the supply pipe 131 adjacent to the mixing unit 130 is located at the upper side of the mixing unit 130, and the other end of the supply pipe 131 is provided to be located at the bottom of the greenhouse 20. I can.

Accordingly, as the high-concentration carbon dioxide that has risen and collected in the mixing unit 130 is transferred to the lower portion of the greenhouse 20, the carbon dioxide supplied to the lower portion of the greenhouse 20 gradually rises, resulting in uniform carbon dioxide throughout the greenhouse 20. It has the effect that it is possible to supply.

The supply pipe 131 communicates the inside of the supply pipe 131 located inside the greenhouse 20 and the inside of the greenhouse 20 so that the mixed carbon dioxide is evenly distributed within the greenhouse 20, but the supply pipe 131 ) May be provided to have a distribution port 1311 disposed with a predetermined distance on the side.

The shape of the distribution port 1311 is not limited to the drawings, and any shape that enables uniform distribution of carbon dioxide within the greenhouse 20 may be applied.

In addition, the mixing unit 130 is disposed to face the supply pipe 131 on the other side of the mixing unit 130 so that the mixed carbon dioxide flows into the supply pipe 131, and generates air in one direction. A blower 132 may be further included.

The blower 132 may be provided to receive a driving force from a driving unit to be described later.

Referring to FIG. 3, the carbon dioxide supplying apparatus 10 according to an embodiment of the present invention may further include a driving unit 140 that generates a driving force required for the operation of a blower and supplies the driving force to the blower.

In addition, the driving unit 140 may be provided to supply power required for driving the above-described various sensors, a control plate and a vacuum pump of a suction port, a sublimator of a storage unit, a cooler and a circulation pump of a circulation unit, and the like.

In addition, the carbon dioxide supplying apparatus 10 of the present invention may further include a circulation unit 150 for maintaining the temperature of the storage unit 120 by circulating cold water in the storage unit 120.

The circulation unit 150 stores the cooler 151 for generating cold water, a circulation line 152 connecting the cooler 151 and the storage unit 120, and the cooler 151 along the circulation line 152 A circulation pump 151 may be disposed on one side of the circulation line 152 to generate hydraulic pressure so as to circulate between the units 120.

At this time, the circulation line 152 may be provided to circulate around the storage tank 121 in the storage unit 120, and heat generated in the storage tank 121 by cold water circulating along the circulation line 152 Can be exchanged. Accordingly, there is an advantage in that the temperature of the storage tank 121 is kept constant, and unnecessary sublimation of the dry ice 1211 is prevented.

In addition, the carbon dioxide supply device 10 of the present invention may further include a control unit 160.

The control unit 160 measures the concentration of each carbon dioxide through a gas sensor provided in the suction unit 110, the storage unit 120, and the mixing unit 130, thereby detecting the internal situation of the carbon dioxide supplying device 10. It can be provided so that it can be monitored.

Through the monitoring, the controller 160 may control the rotational operation of the control plate of the suction unit 110 and whether the vacuum pump is driven to control the suction amount of the first carbon dioxide sucked into the suction unit 110.

In addition, the control unit 160 may control the weight of the dry ice 1211 and the second carbon dioxide concentration depending on whether the sublimation operation inside the storage unit 120 is operated, and the suction unit 110 or the storage unit 120 and the mixing unit It is possible to control whether or not the opening and closing doors between 130 are opened or closed, respectively.

In addition, the control unit 160 may perform overall control of the carbon dioxide supply device 10 such as whether the circulation unit 150 is driven, the amount of power supplied by the driving unit 140, and the blowing intensity of the blower 132.

In addition, the control unit 160 determines the remaining amount of dry ice 1211, the replenishment timing of the dry ice 1211, and the mixed carbon dioxide concentration inside the mixing unit 130 measured through a weight sensor disposed inside the storage unit 120. It may also be provided for transmission to the user.

Further, when a gas sensor and a temperature/humidity sensor are provided inside the greenhouse, the controller 160 may be provided to monitor the measured values of the sensors and transmit the temperature/humidity and carbon dioxide concentration inside the greenhouse to the user.

In the above, the basic configuration of the carbon dioxide supply device according to an embodiment of the present invention has been described. Hereinafter, a method of supplying carbon dioxide according to an embodiment of the present invention will be described.

4 is a flow chart showing a method of supplying carbon dioxide according to an embodiment of the present invention.

Hereinafter, in the process of describing each step of FIG. 4, contents overlapping with those described with reference to FIGS. 1 to 3 will be omitted or briefly described, and for better understanding of the description, reference is made to FIGS. 1 to 3 together. In addition, unless otherwise noted, it is assumed that the main entity of performing each step shown in FIG. 4 is the carbon dioxide supplying device shown in FIGS. 1 to 3.

Referring to FIG. 4, first, a suction step (S110) in which the suction unit sucks external air including first carbon dioxide from the outside is performed.

Thereafter, a storage step (S120) of storing dry ice and second carbon dioxide generated by sublimating the dry ice is performed in the storage unit.

Thereafter, a circulation step (S130) of circulating cold water between the cooler and the storage unit through a circulation line connecting the cooler and the storage unit for generating cold water by the circulation unit is performed.

Thereafter, a mixing step (S140) in which the mixing unit mixes the first carbon dioxide supplied from the suction unit and the second carbon dioxide supplied from the storage unit to generate mixed carbon dioxide is performed.

Thereafter, a supply step (S150) of supplying the mixed carbon dioxide to the inside of the greenhouse through a supply pipe through which the mixing unit communicates the inside of the mixing unit and the inside of the greenhouse is performed.

Thereafter, a monitoring step (S160) in which the control unit monitors internal conditions such as carbon dioxide concentration, temperature, and humidity inside the suction unit, the storage unit, and the mixing unit is performed.

Thereafter, a control step (S170) is performed in which the control unit controls the suction amount of the first carbon dioxide sucked into the suction unit, the dry ice weight and the second carbon dioxide concentration of the storage unit, and controls opening/closing between the suction unit or the storage unit and the mixing unit, respectively. do.

In the above, even if all the constituent elements constituting the embodiments of the present invention have been described as being combined into one or operating in combination, the present invention is not necessarily limited to these embodiments. That is, within the scope of the object of the present invention, all the constituent elements may be selectively combined and operated in one or more.

In addition, the terms such as "include", "consist of" or "have" described above mean that the corresponding component may be included unless otherwise stated, excluding other components. It should not be construed as being able to further include other components. All terms, including technical or scientific terms, unless otherwise defined, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms generally used, such as terms defined in the dictionary, should be interpreted as being consistent with the meaning in the context of the related technology, and are not interpreted as ideal or excessively formal meanings unless explicitly defined in the present invention.

The above description is merely illustrative of the technical idea of the present invention, and those of ordinary skill in the art to which the present invention pertains will be able to make various modifications and variations without departing from the essential characteristics of the present invention. Accordingly, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but to explain the technical idea, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

10: carbon dioxide supply device
110: suction unit
111: inlet
112: throttle
120: storage unit
121: storage tank
1211: dry ice
122: weight sensor
123: gas sensor
130: mixing part
131: supply piping
1311: distribution port
132: blower
140: drive unit
150: circulation part
151: cooler
152: circulation line
153: circulation pump
160: control unit
20: greenhouse

Claims (10)

A suction unit configured to suck external air including first carbon dioxide from the outside and supply it to the mixing unit;
A storage unit for storing dry ice and second carbon dioxide generated by sublimating the dry ice; And
A mixing unit connected to the suction unit and the storage unit to be opened and closed, and configured to generate mixed carbon dioxide by mixing the first carbon dioxide supplied from the suction unit and the second carbon dioxide supplied from the storage unit,
A carbon dioxide supply device using dry ice including a collector capable of collecting the first carbon dioxide in the external air in the suction unit. The method of claim 1,
The suction unit,
An inlet through which the external air is introduced; And
Carbon dioxide supplying apparatus using dry ice, which is rotatably disposed inside the inlet and includes a control plate that controls the intake amount of the external air by controlling the opening and closing of the inlet. The method of claim 1,
The storage unit,
A storage tank in which the dry ice is stored;
A weight sensor disposed under the storage tank to measure the weight of the dry ice; And
Carbon dioxide supply device using dry ice comprising a gas sensor for measuring the concentration of carbon dioxide generated from the dry ice. The method of claim 1,
The mixing unit,
A carbon dioxide supply device using dry ice, which is disposed on one side of the mixing unit so that the mixed carbon dioxide is supplied to the greenhouse, and includes a supply pipe communicating the interior of the mixing unit and the interior of the greenhouse. The method of claim 4,
The supply pipe,
So that the mixed carbon dioxide is evenly distributed inside the greenhouse,
A carbon dioxide supply device using dry ice having a distribution port that communicates the inside of the supply pipe located inside the greenhouse and the inside of the greenhouse, and is disposed at a predetermined distance on the side of the supply pipe. The method of claim 4,
The mixing unit,
A carbon dioxide supply device using dry ice including a blower disposed to face the supply pipe on the other side of the mixing unit so that the mixed carbon dioxide flows into the supply pipe. The method of claim 6,
Carbon dioxide supplying apparatus using dry ice further comprising a driving unit that generates a driving force required for the operation of the blower and supplies the driving force to the blower. The method of claim 1,
A cooler that generates cold water;
A circulation line connecting the cooler and the storage unit; And
Carbon dioxide supplying apparatus using dry ice further comprising a circulation unit disposed on one side of the circulation line to generate hydraulic pressure so that the cold water circulates between the cooler and the storage unit along the circulation line. The method of claim 1,
Through monitoring of the carbon dioxide supply device,
Controlling the inhalation amount of the first carbon dioxide sucked into the suction part, the dry ice weight and the second carbon dioxide concentration of the storage part,
Carbon dioxide supplying apparatus using dry ice further comprising a control unit for respectively controlling the opening and closing between the suction unit or the storage unit and the mixing unit. A suction step in which the suction unit sucks external air including first carbon dioxide from outside;
A storage step of storing dry ice and second carbon dioxide generated by sublimating the dry ice;
A circulation step of circulating the cold water between the cooler and the storage unit through a circulation line connecting the cooler and the storage unit to a cooler for generating cold water by a circulation unit;
A mixing step of generating mixed carbon dioxide by mixing the first carbon dioxide supplied from the suction unit and the second carbon dioxide supplied from the storage unit by a mixing unit;
A supply step of supplying the mixed carbon dioxide into the greenhouse through a supply pipe in which the mixing unit communicates the interior of the mixing unit and the interior of the greenhouse;
A monitoring step in which the control unit monitors internal conditions such as carbon dioxide concentration, temperature, and humidity inside the suction unit, the storage unit, and the mixing unit; And
The control unit controls the suction amount of the first carbon dioxide sucked into the suction unit, the dry ice weight of the storage unit, and the second carbon dioxide concentration, and controls the opening and closing of the suction unit or the storage unit and the mixing unit, respectively. Including a control step,
The carbon dioxide supply method using dry ice, wherein the suction unit includes a collector capable of collecting the first carbon dioxide in the external air.

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