CN113694673A - Indoor air flow adjustable efficient purification method - Google Patents
Indoor air flow adjustable efficient purification method Download PDFInfo
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- CN113694673A CN113694673A CN202111121996.8A CN202111121996A CN113694673A CN 113694673 A CN113694673 A CN 113694673A CN 202111121996 A CN202111121996 A CN 202111121996A CN 113694673 A CN113694673 A CN 113694673A
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000000746 purification Methods 0.000 title claims abstract description 30
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000001954 sterilising effect Effects 0.000 claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 16
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- 238000001514 detection method Methods 0.000 claims abstract description 11
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- 239000007789 gas Substances 0.000 claims description 33
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- 150000001450 anions Chemical class 0.000 claims description 9
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
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- 238000006722 reduction reaction Methods 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 238000010000 carbonizing Methods 0.000 claims description 3
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- 229910002090 carbon oxide Inorganic materials 0.000 abstract 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/005—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by heat treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/62—Carbon oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Abstract
The invention discloses an efficient purification method with adjustable indoor air flow, which at least comprises a control system, an indoor air inlet system, an air flow adjusting system, an air filtering system, a carbon-sulfur oxide filtering system, a harmful gas absorbing system, an air outlet system and CO2Concentration detection system, outdoor air inlet system, high-temperature sterilization system and low-temperature drying systemThe system, the method comprising detecting real-time CO2Concentration, introducing outdoor air, sterilizing air at high temperature, coarse filtering, fine filtering, removing carbon and sulfur oxides, removing harmful gas, drying air at low temperature, exhausting and regulating speed by regulating CO2Whether the concentration detection obtains the requirement of diluting the indoor air or not, and the indoor air and the outdoor air are subjected to sterilization treatment, so that the complete sterilization of microorganisms and bacteria in the indoor air and the outdoor air is facilitated, air filtration and harmful gas removal are performed, and the rapid adjustment of the indoor air CO is realized2The concentration achieves the purpose of efficiently purifying the air.
Description
Technical Field
The invention belongs to the technical field of indoor air purification, and particularly relates to an efficient purification method with adjustable indoor airflow.
Background
With the rapid development of modern industrial technology, air pollution is more and more serious, and air is a substance on which human beings live, so people pay more and more attention to their own living environment. At present, with the rise of the land industry, the indoor decoration industry is developed, and the indoor polluted air mainly comes from the following aspects: 1. formaldehyde and other gases in the finishing materials; 2. electromagnetic radiation and smoke or kitchen oil smoke are generated in the use process of the household appliance; 3. human activity and solid particles floating outdoors (dirt, pollen, spores, hair, etc.); 4. bacteria and viruses carried by animals or humans; 5. chemical contamination in daily life.
Many diseases are easy to grow under the environment for a long time, so that purifying air becomes an inevitable requirement for pursuing quality of life of users. The prior art is not comprehensive enough to the air purification system, and most of purification devices can only simply filter and remove dust, and cannot really realize complete purification of air.
Patent application No. cn201510141046.x, the content of which is: the invention discloses an air purifier with adjustable indoor airflow and an efficient purification method, and belongs to the field of indoor air purification. The device comprises an indoor airflow field adjusting system, a dust filtering system, a toxic and harmful gas absorbing system, a carbon dioxide absorbing system, a power supply system, a display operation system and a control system. The purification method comprises the following steps: automatically detecting and displaying the quality conditions of air at each position in a room, and driving toxic and harmful gases to the vicinity of an air inlet of the air purifier by the air purifier through a certain control method according to the detected air quality data; the control system can automatically adopt proper purification intensity according to the concentration condition of each pollutant. The invention has the characteristics of uniformity, high efficiency, energy saving and indoor air purification; can be applied to air purification in families, offices, meeting rooms, sickrooms and the like.
Although the above patent can realize the filtration of indoor air, the indoor air can be recycled for a long time, and CO is generated2High concentration and low oxygen concentration, and can not realize high-efficiency CO purification by simple filtration2Make room air CO2The concentration is at a higher value for a long time due to CO2The air content is high, and the people are easy to be sleepy after being sucked more, so that complete air purification cannot be realized.
Disclosure of Invention
Aiming at the technical problems caused by the background, the technical scheme adopted by the invention is as follows:
an efficient indoor air flow-adjustable purifying method at least comprises a control system, an indoor air inlet system, an air flow adjusting system, an air filtering system, a carbon-sulfur oxide filtering system, a harmful gas absorbing system, an air outlet system and CO2Concentration detection system, outdoor air intake system, high temperature system and the low temperature drying system of killing, the method includes:
s1, start: starting purification in CO2Setting air CO on the concentration detection system2The concentration standard value is recorded as R;
s2, detecting real-time CO2Concentration: introducing indoor air through an indoor air inlet system and passing through CO2CO concentration detection system2Detecting the concentration to obtain real-time CO2The concentration value, denoted as Z;
s3-1, introducing outdoor air: based on air CO2Judging whether Z is greater than or equal to R or not, and if Z is greater than or equal to R, starting an outdoor air intake system to mix and purify indoor air and outdoor air synchronously;
s4, high-temperature sterilizing air: introducing the air into a high-temperature sterilization system, sterilizing and carbonizing microorganisms and organic matters in the air, and decomposing harmful gas components at high temperature to obtain treatable air;
s5, coarse filtration: introducing the treatable air into an air filtering system, and filtering macromolecular particles and dust through a filter screen in the air filtering system;
s6, fine filtration: opening an anion filter to generate anions on a filter screen, introducing the air subjected to coarse filtration into the anion filter to filter small molecular particles and dust to obtain dust-free air;
s7, removing carbon sulfur oxides: introducing dust-free air into a carbon sulfur oxide filtering system for reaction and precipitation to obtain sulfur-free carbon gas;
s8, removing harmful gases: introducing the sulfur-free carbon gas into a harmful gas absorption system to absorb and remove other harmful gases to obtain clean air;
s9, low-temperature dry air: introducing clean air into a low-temperature drying system for dewatering and drying to obtain purified air with certain temperature and humidity;
s10, exhausting and regulating speed: and discharging purified air into the room through the air outlet system, and adjusting the flow rates of the air inlet system and the air outlet system to enable the indoor air to circulate to generate a difference airflow flow rate, so that the purification method is circulated.
Preferably, the method further comprises:
s3-2, indoor air purification: based on air CO2And (4) judging whether Z is greater than or equal to R or not according to the concentration standard value R, if Z is less than R, enabling the indoor air intake system to intake air, only purifying the indoor air, and carrying out subsequent purification treatment on the indoor air according to the method until purified air is obtained.
Preferably, the step S10 further includes air freshening auxiliary conditioning, that is, adding an air freshening kit at the air outlet system for air odor conditioning.
Preferably, the oxysulfide filtering system in step S7 is a reaction box containing NaOH solution, and the dust-free air is introduced into the NaOH solution for reduction reaction to generate precipitation or crystallization of calcium carbonate and calcium sulfate.
Preferably, the NaOH solution reaction box also comprises a precipitation filter screen which is used for filtering crystals and precipitates after the crystals are saturated.
Preferably, a manganese dioxide catalyst is also added into the NaOH solution reaction box.
Preferably, the harmful gas absorption system in step S8 is a reaction box filled with activated carbon particles, and the non-sulfur carbon gas is introduced into the activated carbon to absorb other harmful gases.
Preferably, the temperature range set by the low-temperature drying system in the step S9 is 18 ℃ to 28 ℃, and the humidity requirement is 48% to 55% RH.
By adopting the technical scheme of the invention, the following beneficial effects are obtained:
1. the invention first detects indoor CO before purifying air2Comparing the concentration with the actual parameter value to judge whether outdoor air injection is needed or not, and when the indoor air is CO, judging whether outdoor air injection is needed2When the concentration is higher than the set value, the rapid reduction of CO is realized2The concentration method is that outdoor air is introduced to dilute the indoor air, and the indoor air and the outdoor air are purified together, so that the aim of efficiently purifying the air is fulfilled;
2. the high-temperature sterilization system is added, so that the high-temperature sterilization can be carried out on the microorganisms and bacteria and viruses in the indoor air and the outdoor air in the initial purification step, the purification system can be prevented from being polluted by the bacteria and the microorganisms, the sterilization of air purification can be ensured, and the better air purification can be achieved;
3. the invention is provided with two times of filtration of coarse filtration and fine filtration, so that after macromolecular impurities are directly filtered, the micromolecular impurities in the air are filtered in a negative ion adsorption mode, and the air is ensured to be purified, decontaminated and dust removed more thoroughly;
4. the low-temperature drying system is added, so that the temperature and the humidity of the purified air can be adjusted according to daily change of day and day, the requirements of people on body feeling temperature and humidity are met, the air outlet system is matched with the air freshening kit, the requirement of adding an aromatherapy agent or an air freshener to a person is met, and a better air purification effect and experience are obtained.
Drawings
FIG. 1 is a flow chart of an embodiment of the present invention.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
Example 1
An efficient indoor air flow-adjustable purifying method at least comprises a control system, an indoor air inlet system, an air flow adjusting system, an air filtering system, a carbon-sulfur oxide filtering system, a harmful gas absorbing system, an air outlet system and CO2Concentration detection system, outdoor air intake system, high temperature system and the low temperature drying system of killing, the method includes:
s1, start: starting purification in CO2Setting air CO on the concentration detection system2The concentration standard value is recorded as R;
s2, detecting real-time CO2Concentration: introducing indoor air through an indoor air inlet system and passing through CO2CO concentration detection system2Detecting the concentration to obtain real-time CO2The concentration value, denoted as Z;
s3-1, introducing outdoor air: based on air CO2Judging whether Z is greater than or equal to R or not, and if Z is greater than or equal to R, starting an outdoor air intake system to mix and purify indoor air and outdoor air synchronously;
s4, high-temperature sterilizing air: introducing the air into a high-temperature sterilization system, sterilizing and carbonizing microorganisms and organic matters in the air, and decomposing harmful gas components at high temperature to obtain treatable air;
s5, coarse filtration: introducing the treatable air into an air filtering system, and filtering macromolecular particles and dust through a filter screen in the air filtering system;
s6, fine filtration: opening an anion filter to generate anions on a filter screen, introducing the air subjected to coarse filtration into the anion filter to filter small molecular particles and dust to obtain dust-free air;
s7, removing carbon sulfur oxides: introducing dust-free air into a carbon sulfur oxide filtering system for reaction and precipitation to obtain sulfur-free carbon gas;
s8, removing harmful gases: introducing the sulfur-free carbon gas into a harmful gas absorption system to absorb and remove other harmful gases to obtain clean air;
s9, low-temperature dry air: introducing clean air into a low-temperature drying system for dewatering and drying to obtain purified air with certain temperature and humidity;
s10, exhausting and regulating speed: and discharging purified air into the room through the air outlet system, and adjusting the flow rates of the air inlet system and the air outlet system to enable the indoor air to circulate to generate a difference airflow flow rate, so that the purification method is circulated.
The method further comprises the following steps:
s3-2, indoor air purification: based on air CO2And (4) judging whether Z is greater than or equal to R or not according to the concentration standard value R, if Z is less than R, enabling the indoor air intake system to intake air, only purifying the indoor air, and carrying out subsequent purification treatment on the indoor air according to the method until purified air is obtained.
The invention first detects indoor CO before purifying air2Comparing the concentration with the actual parameter value to judge whether outdoor air injection is needed or not, and when the indoor air is CO, judging whether outdoor air injection is needed2When the concentration is higher than the set value, the rapid reduction of CO is realized2The concentration method is that outdoor air is introduced to dilute the indoor air, and the indoor air and the outdoor air are purified together, so that the aim of efficiently purifying the air is fulfilled; the high-temperature sterilization system is added, so that the high-temperature sterilization can be carried out on the microorganisms and bacteria and viruses in the indoor air and the outdoor air in the initial purification step, the purification system can be prevented from being polluted by the bacteria and the microorganisms, the sterilization of air purification can be ensured, and the better air purification can be achieved; the invention is provided with two times of filtration of coarse filtration and fine filtration, so that after macromolecular impurities are directly filtered, the micromolecular impurities in the air are filtered in a negative ion adsorption mode, and the air is ensured to be purified, decontaminated and dust removed more thoroughly.
The step S10 further includes air freshening auxiliary conditioning, that is, adding an air freshening kit at the air outlet system for air odor conditioning.
The low-temperature drying system is added, so that the temperature and the humidity of the purified air can be adjusted according to daily change of day and day, the requirements of people on body feeling temperature and humidity are met, the air outlet system is matched with the air freshening kit, the requirement of adding an aromatherapy agent or an air freshener to a person is met, and a better air purification effect and experience are obtained.
The filtering system of the oxysulfide in the carbon in the step S7 is a reaction box filled with NaOH solution, and dust-free air is introduced into the NaOH solution to carry out reduction reaction to generate precipitation or crystallization of calcium carbonate and calcium sulfate; the NaOH solution reaction box also comprises a precipitation filter screen which is used for filtering crystals and precipitates after the crystals are saturated; a manganese dioxide catalyst is also added into the NaOH solution reaction box; the harmful gas absorption system in the step S8 is a reaction box filled with activated carbon particles, and sulfur-free carbon gas is introduced into the activated carbon to absorb other harmful gases; the temperature range of the low-temperature drying system in the step S9 is set to be 18-28 ℃, and the humidity requirement is 48-55% RH.
The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. An efficient indoor air flow-adjustable purification method at least comprises a control system, an indoor air inlet system, an air flow adjusting system, an air filtering system, a carbon-sulfur oxide filtering system, a harmful gas absorption system and an air outlet system, and is characterized by also comprising CO2Concentration detection system, outdoor air intake system, high temperature system and the low temperature drying system of killing, the method includes:
s1, start: starting purification in CO2Setting air CO on the concentration detection system2The concentration standard value is recorded as R;
s2, detecting real-time CO2Concentration: introducing indoor air through an indoor air inlet system and passing through CO2CO concentration detection system2Detecting the concentration to obtain real-time CO2The concentration value, denoted as Z;
s3-1, introducing outdoor air: based on air CO2Judging whether Z is greater than or equal to R or not, and if Z is greater than or equal to R, starting an outdoor air intake system to mix and purify indoor air and outdoor air synchronously;
s4, high-temperature sterilizing air: introducing the air into a high-temperature sterilization system, sterilizing and carbonizing microorganisms and organic matters in the air, and decomposing harmful gas components at high temperature to obtain treatable air;
s5, coarse filtration: introducing the treatable air into an air filtering system, and filtering macromolecular particles and dust through a filter screen in the air filtering system;
s6, fine filtration: opening an anion filter to generate anions on a filter screen, introducing the air subjected to coarse filtration into the anion filter to filter small molecular particles and dust to obtain dust-free air;
s7, removing carbon sulfur oxides: introducing dust-free air into a carbon sulfur oxide filtering system for reaction and precipitation to obtain sulfur-free carbon gas;
s8, removing harmful gases: introducing the sulfur-free carbon gas into a harmful gas absorption system to absorb and remove other harmful gases to obtain clean air;
s9, low-temperature dry air: introducing clean air into a low-temperature drying system for dewatering and drying to obtain purified air with certain temperature and humidity;
s10, exhausting and regulating speed: and discharging purified air into the room through the air outlet system, and adjusting the flow rates of the air inlet system and the air outlet system to enable the indoor air to circulate to generate a difference airflow flow rate, so that the purification method is circulated.
2. The high efficiency decontamination method of claim 1, further comprising:
s3-2, indoor air purification: based on air CO2And (4) judging whether Z is greater than or equal to R or not according to the concentration standard value R, if Z is less than R, enabling the indoor air intake system to intake air, only purifying the indoor air, and carrying out subsequent purification treatment on the indoor air according to the method until purified air is obtained.
3. The high efficiency purification method of claim 1, wherein: the step S10 further includes air freshening auxiliary conditioning, that is, adding an air freshening kit at the air outlet system for air odor conditioning.
4. The high efficiency purification method of claim 1, wherein: and in the step S7, the oxysulfide filtering system is a reaction box filled with NaOH solution, and dust-free air is introduced into the NaOH solution to perform reduction reaction to generate precipitation or crystallization of calcium carbonate and calcium sulfate.
5. The high efficiency purification method of claim 1, wherein: and the NaOH solution reaction box also comprises a precipitation filter screen which is used for filtering crystals and precipitates after the crystals are saturated.
6. The high efficiency purification method of claim 4, wherein: and a manganese dioxide catalyst is also added into the NaOH solution reaction box.
7. The high efficiency purification method of claim 1, wherein: the harmful gas absorption system in the step S8 is a reaction box filled with activated carbon particles, and the sulfur-free carbon gas is introduced into the activated carbon to adsorb other harmful gases.
8. The high efficiency purification method of claim 1, wherein: the temperature range of the low-temperature drying system in the step S9 is set to be 18-28 ℃, and the humidity requirement is 48-55% RH.
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| CN202111121996.8A CN113694673A (en) | 2021-09-24 | 2021-09-24 | Indoor air flow adjustable efficient purification method |
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| CN202111121996.8A CN113694673A (en) | 2021-09-24 | 2021-09-24 | Indoor air flow adjustable efficient purification method |
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Cited By (1)
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| CN115200136A (en) * | 2022-06-15 | 2022-10-18 | 湖北天兴瑞智能科技有限公司 | Anion decomposition and purification process |
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Application publication date: 20211126 |