CN210399299U - Indoor biological oxygenation subtracts carbon system - Google Patents
Indoor biological oxygenation subtracts carbon system Download PDFInfo
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- CN210399299U CN210399299U CN201921127958.1U CN201921127958U CN210399299U CN 210399299 U CN210399299 U CN 210399299U CN 201921127958 U CN201921127958 U CN 201921127958U CN 210399299 U CN210399299 U CN 210399299U
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 43
- 238000006213 oxygenation reaction Methods 0.000 title claims abstract description 15
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 38
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 37
- 230000001965 increasing effect Effects 0.000 claims abstract description 33
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 33
- 239000001301 oxygen Substances 0.000 claims abstract description 33
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 32
- 244000005700 microbiome Species 0.000 claims abstract description 29
- 238000005286 illumination Methods 0.000 claims abstract description 12
- 230000029553 photosynthesis Effects 0.000 claims abstract description 10
- 238000010672 photosynthesis Methods 0.000 claims abstract description 10
- 238000012258 culturing Methods 0.000 claims abstract description 4
- 238000004659 sterilization and disinfection Methods 0.000 claims description 30
- 239000001963 growth medium Substances 0.000 claims description 23
- 230000001954 sterilising effect Effects 0.000 claims description 21
- 238000007664 blowing Methods 0.000 claims description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 9
- 241001465754 Metazoa Species 0.000 abstract description 8
- 238000009423 ventilation Methods 0.000 abstract description 8
- 238000009825 accumulation Methods 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 239000003570 air Substances 0.000 description 144
- 241000195649 Chlorella <Chlorellales> Species 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 206010021143 Hypoxia Diseases 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
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- 230000007613 environmental effect Effects 0.000 description 2
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- 238000000034 method Methods 0.000 description 2
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- 241000894006 Bacteria Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- 241000190950 Rhodopseudomonas palustris Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004103 aerobic respiration Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
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- 239000013505 freshwater Substances 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
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- 231100000252 nontoxic Toxicity 0.000 description 1
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- 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
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/59—Biological synthesis; Biological purification
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
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Abstract
The utility model discloses an indoor biological oxygenation subtracts carbon system, it includes: the photobioreactor is functional equipment used for culturing microorganisms to enable the microorganisms to generate photosynthesis and realize oxygen and carbon increasing; the air sensor is used for detecting the concentration of carbon dioxide in the air of the indoor area where the optical bioreactor is located; and the controller is respectively electrically connected with the photobioreactor and the air sensor, the controller controls the growth speed of microorganisms in the photobioreactor by adjusting the water flow of a water pump in the photobioreactor, the air flow of an air pump and the illumination intensity of a light source according to a carbon dioxide concentration signal sent by the air sensor so as to meet the requirements of people or animals in an indoor space on oxygen increasing and carbon reducing, the indoor healthy breathing air internal circulation is realized, meanwhile, the problem of indoor carbon dioxide accumulation is solved by replacing a traditional fresh air external circulation ventilation system, and the problem of energy waste caused by indoor and outdoor temperature difference is fundamentally solved.
Description
Technical Field
The utility model belongs to the technical field of indoor ventilation, more specifically say, relate to an indoor biological oxygenation subtracts carbon system.
Background
Carbon dioxide CO2, colorless and odorless, and its concentration is not felt at ordinary times, is an exhaust gas emitted by human or animal aerobic respiration, is a asphyxiating gas, and is one of the main pollutants in indoor air. Sources of indoor carbon dioxide include both indoor and outdoor. Outdoor sources include combustion of coal and wood, and indoor sources mainly have two aspects, namely gas generated by exhalation of a human body and combustion of fuel (indoor heating coal furnaces, gas furnaces and the like). The amount of carbon dioxide produced is determined by the number and activity of humans or animals, for example in libraries and sports grounds, the average carbon dioxide output of a population can vary by several times.
International research often uses carbon dioxide as a main evaluation index for air quality and ventilation status. To eliminate most complaints, the total indoor carbon dioxide should be reduced below outdoor levels, i.e., below 1000 ppm. According to the national standard of indoor air quality (GB/T18883-2002) issued by China, the standard value of indoor carbon dioxide is 0.10%, namely not more than 1000 ppm. In hong Kong, the environmental protection agency sets out an indoor air quality index for office buildings and public places, where carbon dioxide contents below 1000ppm are considered good. The National Institute for Occupational Safety and Health (NIOSH) has recognized that carbon dioxide concentrations in indoor air above 1000ppm are an indication of inadequate ventilation. Set in the us ASHRAE ventilation standard: it is recommended that the indoor carbon dioxide concentration should not exceed 1000ppm either. British school standards specify that carbon dioxide in all teaching and learning spaces should not exceed 1500ppm when seated at head height and measured evenly throughout the day.
When a person is in an indoor environment, continuous breathing requires continuous consumption of oxygen. If insufficient fresh air and indoor dirty air are exchanged and filtered, the concentration of indoor dirty air such as carbon dioxide rises, and the indoor dirty air is accumulated for a long time and is not beneficial to the physical and mental health of indoor people. The carbon dioxide is in a high-concentration carbon dioxide environment for a long time, and the harm is fearful. Such as: the influence of carbon dioxide concentration on human body in the United states is also relevant, and research results are published on Environmental and health prospects (Environmental health perspectives): in a closed environment, the gathering of carbon dioxide exhaled by surrounding people may slow one's thinking down.
Carbon dioxide retention, like hypoxia, is a pathological term that can cause respiratory dysfunction and presents a series of clinical manifestations. Therefore, although carbon dioxide is stable and nontoxic, when the content of carbon dioxide is too high, people can suffocate and even die due to oxygen deficiency. Too high carbon dioxide in the ambient air is not an effective remedy for oxygen uptake, but rather improves ventilation and helps reduce carbon dioxide in the ambient air. The single oxygen absorption improves the partial pressure of the blood oxygen, and the discharge of the carbon dioxide is inhibited to a certain extent.
In a large indoor closed space, different spaces often have different people flow rates, such as underground shopping malls, subway stations or other places where people often have too many windows, and the places generally exchange air by mechanical means, the ventilation rate is fixed, but the people flow change of the places generally presents obvious periodic change characteristics, and the periodicity is different under different time scales: observed in units of days, we can see the fluctuation of the population from morning to evening every day; observed in units of weeks, we can see a clear difference between weekdays and weekends; the influence of the weather and holidays on the human flow in four seasons can be seen by observing the unit of year. It follows that if a fixed ventilation volume is used in a large indoor enclosure, there is a great chance that it will be under ventilated when there are many people and will be wasting energy when there are few people.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an indoor biological oxygenation subtracts carbon system will be provided, can be according to indoor people or animal activity degree, the growth rate of variable control microorganism in photobioreactor to reach people or animal in the interior space to oxygenation and subtract carbon demand, realize indoor healthy breathing air inner loop.
In order to solve the technical problem, the utility model provides an indoor biological oxygenation subtracts carbon system, it includes:
a photobioreactor which is a functional device used for culturing microorganisms to enable the microorganisms to generate photosynthesis and realize oxygen and carbon increasing,
the air sensor is used for detecting the concentration of carbon dioxide in the air of the indoor field area where the photobioreactor is located,
and a controller electrically connected to the photobioreactor and the air sensor, respectively,
and the controller controls the growth speed of microorganisms in the photobioreactor by adjusting the water flow of a water pump, the air flow of the air pump and the illumination intensity of a light source in the photobioreactor according to the carbon dioxide concentration signal sent by the air sensor.
As a preferred scheme of the biological oxygen and carbon increasing and reducing system, the photobioreactor comprises a body, a culture container, an air inlet cavity and an air outlet cavity which are mutually communicated are arranged in the body, an air inlet communicated with the outside air is formed in the air inlet cavity, an air outlet communicated with the outside air is formed in the air outlet cavity, the culture container is filled with a culture medium, the culture medium contains microorganisms capable of generating photosynthesis, a light source for providing illumination intensity for the culture medium is arranged on the culture container, an air outlet communicated with the air outlet cavity is formed in the top of the culture container, an air inlet fan, an air pump and a water pump are arranged in the air inlet cavity, the air inlet side of the air inlet fan is connected with the air inlet cavity, the air inlet end of the air pump is communicated with the air inlet cavity, the air outlet end of the air pump is communicated with the culture container, and the water inlet end and the water outlet end of the water pump are respectively communicated with the culture, an air outlet fan is arranged in the air outlet cavity, the blowing side of the air outlet fan is connected with the air outlet, and the controller is electrically connected with the light source, the air pump, the water pump, the air inlet fan and the air outlet fan respectively.
As a preferred scheme of the biological oxygen and carbon increasing and reducing system, a drain valve is arranged at the bottom of the culture container, and the controller is electrically connected with the drain valve.
As the preferable scheme of the biological oxygen and carbon increasing and reducing system, the air pumps are fixed-frequency air pumps and are provided with a plurality of air pumps.
As the preferable scheme of the biological oxygen and carbon increasing and reducing system, the air pump is a variable frequency air pump and is provided with one or more than one air pump.
As the preferable scheme of the biological oxygen and carbon increasing and reducing system, the water pumps are fixed-frequency water pumps and are provided with a plurality of water pumps.
As the preferable scheme of the biological oxygen and carbon increasing and reducing system, the water pumps are variable frequency water pumps and are provided with one or more than one water pump.
As the preferable scheme of the biological oxygen and carbon increasing and reducing system, a plurality of light sources are arranged and are uniformly distributed on the periphery, or the top, or the bottom, or in the culture container.
As the preferable scheme of the biological oxygen and carbon increasing and reducing system, an air inlet side disinfection and sterilization unit is arranged in the air inlet cavity, an air outlet side disinfection and sterilization unit is arranged in the air outlet cavity, and the controller is electrically connected with the air inlet side disinfection and sterilization unit and the air outlet side disinfection and sterilization unit respectively.
As a preferred scheme of the biological oxygen and carbon increasing and reducing system, the photobioreactor is provided with a water quality sensor for detecting the water quality of the culture medium, and the water quality sensor is electrically connected with the controller.
Implement the utility model discloses an indoor biological oxygenation subtracts carbon system compares with prior art, has following beneficial effect:
the utility model discloses an indoor biological oxygenation subtracts carbon system controls the growth rate of microorganism in photobioreactor through adjustment photobioreactor's discharge, airflow, illumination intensity and operating duration according to the carbon dioxide concentration in the indoor field area air in photobioreactor place to reach human or animal in the interior space and to oxygenation and subtract the carbon demand, realize indoor healthy breathing air inner loop. And use the utility model discloses an indoor biological oxygenation subtracts carbon system, the mankind just can use less energy, in indoor or semi-open-air space, with the most natural microorganism photosynthesis, according to real-time demand, makes the healthiest breathing air, has replaced and has used traditional new trend extrinsic cycle air exchange system to solve indoor carbon dioxide accumulation problem, has solved the extravagant problem of energy that the indoor and outdoor difference in temperature caused from the root.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
FIG. 1 is a schematic structural diagram of an indoor biological oxygen and carbon increasing and reducing system provided by the present invention;
FIG. 2 is a schematic diagram of the structure of the photobioreactor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the system or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
In addition, it should be noted that, in the description of the present invention, the terms "front" and "rear" refer to: the utility model discloses a product is when user state, and the one side of being close to the user is "preceding", and the one side of keeping away from the user then is "back".
As shown in fig. 1, the preferred embodiment of the present invention provides an indoor bio-oxygen and carbon increasing and reducing system, which comprises:
the photobioreactor 100 is a functional device for culturing microorganisms to enable the microorganisms to generate photosynthesis and realize oxygen and carbon increasing;
an air sensor 200 for detecting the concentration of carbon dioxide in the air of the indoor field where the photobioreactor 100 is located;
and a controller 300 electrically connected to the photobioreactor 100 and the air sensor 200, respectively, wherein the controller 300 is preferably a computer, and the controller 300 controls the growth rate of microorganisms in the photobioreactor 100 by adjusting the water flow rate of the water pump 112, the air flow rate of the air pump 111, and the light intensity of the light source 108 in the photobioreactor 100 according to the carbon dioxide concentration signal transmitted from the air sensor 200.
In order to better adapt to the periodic variation characteristics of the people flow, the corresponding operation mode of the photobioreactor 100 can be set according to the operation time and non-operation time of the underground shopping mall, the subway station or other places where more people often cannot open the windows, so the operation logic of the indoor biological oxygen and carbon increasing and reducing system is as follows:
when the indoor field area where the photobioreactor 100 is located belongs to the operation time and the concentration of carbon dioxide in the air is less than or equal to the set value, the photobioreactor 100 enters a normal load mode: a water pump 112 for controlling water flow, an air pump 111 for controlling air flow and a light source 108 for controlling illumination intensity are started;
when the indoor field area where the photobioreactor 100 is located belongs to the operation time and the concentration of carbon dioxide in the air is greater than the set value, the photobioreactor 100 enters a load increasing mode: increasing the water flow of the water pump 112, the air flow of the air pump 111 and the illumination intensity of the light source 108;
when the indoor field area where the photobioreactor 100 is located belongs to the non-operation time, the photobioreactor 100 enters a standby load mode: starting the water pump 112 and the air pump 111 to run for 8 to 12 minutes at the control parameters of the normal load mode every 30 minutes, wherein the specific time segmentation mode can be adjusted according to the capacity of the water tank;
the set value is set in the range of 800 ppm-1000 ppm and is specifically set according to the local official air quality standard of a user.
Therefore, the utility model discloses can control the growth rate of microorganism in photobioreactor 100 through adjustment photobioreactor 100's discharge, airflow, illumination intensity and operating duration according to the carbon dioxide concentration in the indoor place area air at photobioreactor 100 to reach human or animal in the indoor space to oxygenation and carbon reduction demand, realize indoor healthy breathing air inner loop, to reach human or animal in the indoor space to oxygenation and carbon reduction demand, realize indoor healthy breathing air inner loop.
And, use the utility model discloses an indoor biological oxygenation subtracts carbon system, the mankind just can use less energy, in indoor or semi-open-air space, with the most natural microorganism photosynthesis, according to real-time demand, makes the healthiest breathing air, has replaced and has used traditional new trend extrinsic cycle air exchange system to solve indoor carbon dioxide accumulation problem, has solved the extravagant problem of energy that the indoor and outdoor difference in temperature caused from the root.
It should be noted that, the indoor biological oxygen and carbon increasing and reducing system adopts an on-demand variable control mode, which not only has obvious energy-saving carbon reducing and oxygen increasing effects, but also can reduce the regular maintenance cost derived from the excessively fast growth speed of the microorganisms. For example, the growth cycle of the chlorella in fresh water is 7-14 days, according to the experience, most of the conventional photo-bioreactors 100 simulate the growth environment of microorganisms by a method of a timing switch to achieve the highest yield, the timing control mode is simple, but if the space utilization rate is often unsaturated, the energy is wasted, the frequency required by the water changing cycle of the chlorella is increased, the water body needs to be changed once every two weeks, and after the variable control mode according to the demand of the utility model is adopted, because the accumulation of dead chlorella is reduced, the water changing cycle can be prolonged to one month, and half of maintenance cost is directly reduced.
In this embodiment, the photobioreactor 100 includes a body 101, a cultivation container 102 is disposed in the body 101, and an air inlet chamber 103 and an air outlet chamber 104 which are communicated with each other, an air inlet 106 communicated with the outside air is disposed on the air inlet chamber 103, and an air outlet 107 communicated with the outside air is disposed on the air outlet chamber 104.
The culture container 102 contains culture medium with a concentration of 1000000-1500000 cells/mL, and the culture medium contains microorganisms capable of producing photosynthesis, wherein the microorganisms can be various algae (such as chlorella) and photosynthetic bacteria (such as rhodopseudomonas palustris). The culture container 102 is provided with a light source 108 for providing illumination intensity for the culture medium, and the illumination intensity is 50-500 mu mol-2s-1PPFD, the top of breed container 102 be equipped with the exhaust opening 105 of air-out chamber 104 intercommunication, the produced oxygen of photosynthesis gets into in the air-out chamber 104 through exhaust opening 105.
An air inlet fan 110, an air pump 111 and a water pump 112 are arranged in the air inlet cavity 103. The air intake side of the air intake fan 110 is connected to the air intake 106 and is used for drawing outside air into the air intake cavity 103; the air inlet end of the air pump 111 is communicated with the air inlet cavity 103, the air outlet end of the air pump 111 is communicated with the bottom of the culture container 102, so that the air in the air inlet cavity 103 is supplied to the culture medium as small bubbles at the flow rate of 0.1-2.0L/min by the air pump 111, and meanwhile, the small bubbles can stir the culture medium in the rising process, so that microorganisms are uniformly distributed in the culture medium; the water inlet end and the water outlet end of the water pump 112 are respectively communicated with the culture container 102 to form a circulating water path, so that the water pump 112 pushes the culture medium to circularly circulate in the culture container 102 at the flow rate of 0.1-20L/min, the fluidity of the culture medium is improved, and microorganisms are more uniform in the culture medium.
An air outlet fan 107 is arranged in the air outlet cavity 104, and an air blowing side of the air outlet fan 107 is connected with the air outlet 107 and is used for blowing the air in the air outlet cavity 104 to the outside.
The controller 300 is electrically connected to the light source 108, the air pump 111, the water pump 112, the air inlet fan 110, and the air outlet fan 107, respectively.
It should be further noted that the operation logics of the inlet fan 110 and the outlet fan 107 are as follows: when the photobioreactor 100 operates in the normal load mode, the air inlet fan 110 is turned off, and the air outlet fan 107 is turned on; when the photobioreactor 100 is operated in the above-described load increasing mode, both the inlet fan 110 and the outlet fan 107 are turned on.
Illustratively, the bottom of the culture container 102 is provided with a drain valve 109 for draining the microorganism corpses deposited in the culture container 102, and the controller 300 is electrically connected with the drain valve 109. It should be noted that the operation logic of the drain valve 109 is: and (3) starting the drain valve 109 to drain water for 1 to 2 minutes in the time period when the non-operation time is transited to the operation time, wherein the specific time segmentation mode can be adjusted according to the capacity of the water tank, and the microorganism corpse deposited in the photobioreactor 100 is discharged so as to prevent the microorganism corpse from being decomposed and polluting the culture medium.
Illustratively, in order to realize large-range controllable air flow, the air pump 111 is a fixed-frequency air pump, and a plurality of air pumps are arranged in parallel; or, the air pump 111 is a variable frequency air pump, and is provided with one or more air pumps, and is arranged in parallel.
Illustratively, to realize the large-range controllable water flow, the water pump 112 is a fixed-frequency water pump, and a plurality of water pumps are arranged in parallel; or, the water pumps 112 are variable frequency water pumps, and are provided with one or more water pumps arranged in parallel.
Illustratively, to achieve a wide range of controllable illumination intensity, the light sources 108 are provided in plurality and are uniformly distributed around the cultivation container 102, or on the top, or at the bottom, or inside the cultivation container 102. The light source 108 may be artificial light or natural light.
Illustratively, an air inlet side sterilization unit 114 is arranged in the air inlet cavity 103, an air outlet side sterilization unit 115 is arranged in the air outlet cavity 104, and the controller 300 is electrically connected with the air inlet side sterilization unit 114 and the air outlet side sterilization unit 115 respectively. Therefore, the inlet and outlet air of the photobioreactor 100 is disinfected and sterilized by the disinfection and sterilization unit, so that on one hand, external polluted air is prevented from directly entering the culture container 102 of the photobioreactor 100 to pollute the culture medium, good growth of microorganisms in the culture medium is ensured, on the other hand, the polluted air generated in the culture container 102 of the photobioreactor 100 is prevented from directly being discharged outside, and comfortable and healthy breathing air output is ensured. In this embodiment, the air inlet side sterilization unit 114 and the air outlet side sterilization unit 115 are preferably plasma air sterilizers.
It should be further noted that the operation logics of the air inlet side sterilization unit 114 and the air outlet side sterilization unit 115 are as follows: when the photobioreactor 100 operates in the normal load mode, the air inlet side sterilization unit 114 is closed, and the air outlet side sterilization unit 115 is opened; when the photobioreactor 100 is operated in the load increasing mode, both the air inlet side sterilization unit 114 and the air outlet side sterilization unit 115 are turned on.
Illustratively, the photobioreactor 100 is provided with a water quality sensor 116 for detecting the water quality of the culture medium, and the water quality sensor 116 is electrically connected to the controller 300, so that the controller 300 can determine whether the culture medium needs to be replaced by judging whether the culture medium is good or not according to a water quality signal sent by the water quality sensor 116.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (10)
1. The utility model provides an indoor biological oxygenation subtracts carbon system which characterized in that includes:
a photobioreactor which is a functional device used for culturing microorganisms to enable the microorganisms to generate photosynthesis and realize oxygen and carbon increasing,
the air sensor is used for detecting the concentration of carbon dioxide in the air of the indoor field area where the photobioreactor is located,
and a controller electrically connected to the photobioreactor and the air sensor, respectively,
and the controller controls the growth speed of microorganisms in the photobioreactor by adjusting the water flow of a water pump, the air flow of the air pump and the illumination intensity of a light source in the photobioreactor according to the carbon dioxide concentration signal sent by the air sensor.
2. The indoor biological oxygen and carbon increasing and reducing system according to claim 1, wherein the photobioreactor comprises a body, a cultivation container, an air inlet chamber and an air outlet chamber are disposed in the body, the air inlet chamber and the air outlet chamber are communicated with each other, an air inlet opening for communicating with the outside air is disposed on the air inlet chamber, an air outlet opening for communicating with the outside air is disposed on the air outlet chamber, the cultivation container contains a culture medium, the culture medium contains microorganisms capable of generating photosynthesis, a light source for providing illumination intensity for the culture medium is disposed on the cultivation container, an air outlet opening communicated with the air outlet chamber is disposed at the top of the cultivation container, an air inlet fan, an air pump and a water pump are disposed in the air inlet chamber, an air inlet side of the air inlet fan is connected with the air inlet chamber, an air outlet end of the air pump is communicated with the cultivation container, the water inlet end and the water outlet end of the water pump are respectively communicated with the culture container to form a circulating water path, an air outlet fan is arranged in the air outlet cavity, the air blowing side of the air outlet fan is connected with the air outlet, and the controller is respectively electrically connected with the light source, the air pump, the water pump, the air inlet fan and the air outlet fan.
3. The indoor biological oxygen and carbon increasing and reducing system as claimed in claim 2, wherein a drain valve is arranged at the bottom of the culture container, and the controller is electrically connected with the drain valve.
4. The indoor biological oxygen and carbon increasing and reducing system of claim 2, wherein the air pump is a fixed-frequency air pump and is provided in plurality.
5. The indoor biological oxygen and carbon increasing and reducing system of claim 2, wherein the air pump is a variable frequency air pump and is provided with one or more than one.
6. An indoor biological oxygen and carbon increasing and reducing system as claimed in claim 2, wherein the water pump is a fixed frequency water pump and is provided in plurality.
7. An indoor biological oxygen and carbon increasing and reducing system as claimed in claim 2, wherein the water pump is a variable frequency water pump, and one or more water pumps are provided.
8. The indoor biological oxygen and carbon increasing and reducing system of claim 2, wherein a plurality of light sources are arranged and distributed around the cultivation container.
9. The indoor biological oxygen and carbon increasing and reducing system according to claim 2, wherein an air inlet side disinfection and sterilization unit is arranged in the air inlet cavity, an air outlet side disinfection and sterilization unit is arranged in the air outlet cavity, and the controller is electrically connected with the air inlet side disinfection and sterilization unit and the air outlet side disinfection and sterilization unit respectively.
10. An indoor biological oxygen and carbon increasing and reducing system as claimed in any one of claims 2 to 9, wherein the photobioreactor is provided with a water quality sensor for detecting the water quality of the culture medium, and the water quality sensor is electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921127958.1U CN210399299U (en) | 2019-07-17 | 2019-07-17 | Indoor biological oxygenation subtracts carbon system |
Applications Claiming Priority (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345577A (en) * | 2019-07-17 | 2019-10-18 | 威发智能科技(江门)有限公司 | A kind of indoor biological oxygenation subtracts carbon method and system |
| CN110345577B (en) * | 2019-07-17 | 2024-08-13 | 深圳市罗湖区威发商行 | Indoor biological oxygenation carbon reduction method and system |
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Effective date of registration: 20231016 Address after: Room 2C, Building 7, Hubin New Village, No. 2020 Yijing Road, Bibo Community, Huangbei Street, Luohu District, Shenzhen City, Guangdong Province, 518000 Patentee after: Shenzhen Luohu District Weifa Commercial Bank Address before: Room A048, room 2205, 2nd floor, building 2, No.152 Shengli Road, Pengjiang district, Jiangmen City, Guangdong Province, 529000 Patentee before: Weifa Intelligent Technology (Jiangmen) Co.,Ltd. |