CN114136013A - Intelligent control solar hot air system - Google Patents

Intelligent control solar hot air system Download PDF

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Publication number
CN114136013A
CN114136013A CN202111244390.3A CN202111244390A CN114136013A CN 114136013 A CN114136013 A CN 114136013A CN 202111244390 A CN202111244390 A CN 202111244390A CN 114136013 A CN114136013 A CN 114136013A
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China
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air
module
inlet
stage
pipe
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CN202111244390.3A
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CN114136013B (en
Inventor
王逸隆
侯奕辛
崔林
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Shenzhen Hongyue Information Technology Co ltd
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Qingdao University of Science and Technology
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
    • F24F8/158—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using active carbon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/44—Heat exchange systems

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrostatic Separation (AREA)

Abstract

The invention provides an intelligent control solar hot air system which comprises a heat collecting device, an outlet pipe, a loop pipe and a user, wherein air is heated in the heat collecting device, is conveyed to the user through the outlet pipe to be supplied with air, and then is returned to the heat collecting device through the loop pipe to be heated. The invention provides a novel heat-collecting air supply system, wherein a novel air purification device is arranged on an inlet pipe of a heat collector, so that particles can be effectively precipitated, various gaseous pollutants can be killed, and the novel heat-collecting air supply system is beneficial to improving the immunity of a human body and protecting the health of the human body.

Description

Intelligent control solar hot air system
Technical Field
The invention belongs to the field of solar energy, and particularly relates to a solar energy air supply system.
Background
With the rapid development of modern socioeconomic, the demand of human beings on energy is increasing. However, the continuous decrease and shortage of traditional energy reserves such as coal, oil, natural gas and the like causes the continuous increase of price, and the environmental pollution problem caused by the conventional fossil fuel is more serious, which greatly limits the development of society and the improvement of the life quality of human beings. Energy problems have become one of the most prominent problems in the modern world. Therefore, the search for new energy sources, especially clean energy sources without pollution, has become a hot spot of research.
Solar energy is inexhaustible clean energy and has huge resource amount, and the total amount of solar radiation energy collected on the surface of the earth every year is 1 multiplied by 1018kW.h, which is ten thousand times of the total energy consumed in the world year. The utilization of solar energy has been used as an important item for the development of new energy in all countries of the world. However, the solar radiation has a small energy density (about one kilowatt per square meter) and is discontinuous, which brings certain difficulties for large-scale exploitation and utilization. Therefore, in order to widely use solar energy, not only the technical problems should be solved, but also it is necessary to be economically competitive with conventional energy sources.
When utilizing solar energy heating air device, solar energy or directly heating air, but the air generally need purify before getting into solar energy collection system, keeps the air to flow and gets rid of all kinds of pollutants in the air and is the main way of solving above-mentioned problem, however according to the air purifier that this principle designed, can only intercept great particulate matter mostly, and can't make effective purification to the more big fine particles of harmfulness and gaseous pollutant.
Therefore, to foretell defect, this patent has proposed a solar energy air supply system, aims at setting up air purification device through the inlet tube to the heat collector, can effectively gather and sink the particulate matter, kill multiple gaseous pollutant, helps promoting simultaneously that human immunity that shakes, protection are healthy.
Disclosure of Invention
The present invention provides a new solar air supply system to solve the foregoing technical problems.
In order to achieve the purpose, the technical scheme of the invention is as follows:
an intelligently controlled solar hot air system comprises a heat collecting device, an outlet pipe, a loop pipe and a user, wherein air is heated in the heat collecting device, is conveyed to the user through the outlet pipe for air supply, and then enters the heat collecting device through the loop pipe for heating; the primary filter is one or more of non-woven fabrics, nylon nets, fluffy glass fiber felts, plastic nets or metal wire nets; the user is a multi-storey building, the building comprises a wall body, and the wall body comprises a transparent plate, a preheating pipe, a heat insulation layer, an outer bearing wall, a heat insulation layer, an inner bearing wall and a ventilation component; the transparent plate, the preheating pipe and the heat insulation layer are arranged on the outer surface of the outer bearing wall, the transparent plate is arranged outside the preheating pipe, the heat insulation layer is arranged on the inner side of the preheating pipe, and the heat insulation layer is arranged between the outer bearing wall and the inner bearing wall; the ventilation component is arranged on the inner surface of the inner bearing wall; an inlet at the upper part of the ventilation part is connected with a solar heat collector, a preheating pipe extends from the upper part to the lower part of the wall body, the preheating pipe is provided with a branch, an inlet of the branch extends into a room at the inner side of the wall body, and a fan is arranged at the inlet of the branch.
Preferably, the air purifier comprises an outer shell, an inner shell, an atomization charging module, a fiber water distribution dust collection unit, an anion synergistic module, a cleaning module, an adsorptive metal filter screen, a water circulation system and a negative pressure ventilation system; the lower part of the outer shell is provided with a uniform air inlet, a primary filter screen is attached to the uniform air inlet, the upper part of the outer shell is provided with an air outlet, and the inner shell is sequentially provided with a bearing atomization charging module, a fiber water distribution dust collection unit, a cleaning module, an anion synergistic module and an adsorptive metal filter screen from bottom to top; the water circulation system supplies circulating water required by the atomization charging module and the cleaning module, and the negative pressure ventilation system 7 is used for circulating wind from the air inlet to the air outlet of the shell.
Preferably, the activated carbon filter comprises a catalyst MnO capable of catalytically decomposing ozone2/CuO、CuO/Ni、MnO2/Pt、Fe3O4/CuO、Ag/Fe2O3、Ni/SiO2One or more of (a).
Preferably, a lens is disposed on the transparent plate 35 for focusing solar energy on the preheating tube.
Preferably, the electrostatic precipitator includes an electrostatic precipitation section, the electrostatic precipitation section includes two stages, a first stage and a second stage are respectively arranged along the flowing direction of the wind, the electric field intensity of the first stage and the electric field intensity of the second stage are different, and the electric field intensity of the second stage is smaller than that of the first stage.
Compared with the prior art, the invention has the following advantages:
1) the invention provides a novel heat-collecting air supply system, wherein a novel air purification device is arranged on an inlet pipe of a heat collector, so that particles can be effectively precipitated, various gaseous pollutants can be killed, and the novel heat-collecting air supply system is beneficial to improving the immunity of a human body and protecting the health of the human body.
2) The invention provides a novel heat-collecting air supply system, and the gradient purifier can synchronously carry out atomization and dust removal and negative oxygen ion sterilization, so that the air purification efficiency is improved and the energy consumption is reduced. Specifically, the atomization charging module and the negative oxygen ion synergistic module realize functional integration, on one hand, particles are loaded with same-polarity negative charges in a grading mode, the charging quantity of the particles in the air is strengthened by charging twice, the charged particles are easier to be intercepted by an adsorption type metal filter screen, on the other hand, more efficient water mist charging dedusting is carried out, the using times of circulating water are reduced, and meanwhile, negative oxygen ions with sterilization and disinfection effects in fresh air enter. According to the invention, multi-level air purification is realized through various modes such as primary filter screen filtration, charged atomization trapping, fiber filter cloth adsorption, negative oxygen ion synergism and high-efficiency metal mesh interception, and the purification quality of circulating air can be effectively improved. The invention leads the purifying effect to reach the best through the reasonable collocation of the sequence of the stages.
3) The invention removes various pollutants in turn through multi-stage purification of the gradient purifier, not only can well remove large particles in the air, but also can effectively remove fine particles, and solves the defect of unsatisfactory purification effect of the original purifier. According to the invention, through the reasonable collocation of the sequence of the stages, the influence of the particles on the purification effect is avoided, and the purification effect is optimal.
4) The atomization charging module and the negative oxygen ion synergistic module adopted by the middle-gradient purifier can enable particles to load like negative charges, the charging quantity of the particles in the air is enhanced by charging twice, and the charged particles are easier to be intercepted by the adsorption type metal filter screen.
5) The fiber filter cloth arranged above the atomization charging area of the gradient purifier has the functions of adhering and capturing charged liquid drops/particles, and the fiber filter cloth wetted by the fog drops can further improve the adsorption effect on the particles, so that secondary escape of the captured micro pollutants is effectively prevented.
6) The atomization charge module and the negative oxygen ion synergistic module adopted by the gradient purifier are integrated with multiple functions, charged atomization can further promote the re-crushing and the spatial dispersion degree of charged liquid drops besides charging particles, fine particles are intercepted and agglomerated more effectively, and negative ions released by the negative oxygen ion synergistic module can be combined with oxygen to generate negative oxygen ions with an active purification effect. The functional integration of each module saves energy and use space.
7) The gradient purifier adopts various filtering and intercepting modes such as primary filter screen filtering, charged atomization trapping, fiber filter cloth adsorption, negative oxygen ion synergism and high-efficiency metal net interception for circulating air, realizes multi-level purification and improves the purification quality of the circulating air.
8) The gradient purifier realizes automatic control of the power of the fan and the charged atomization module by detecting the particle concentration, realizes system intellectualization, saves energy, and obtains the optimal relationship among the flow velocity of air, the air particle concentration of the air inlet and the atomization charged parameter by numerical calculation and experimental research.
Drawings
FIG. 1 is a schematic view of the air supply system of the present invention;
FIG. 2 is a schematic view of a building wall structure according to the present invention;
fig. 3 is a schematic diagram of the structure of the step purifier of the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
In this document, "/" denotes division and "×", "denotes multiplication, referring to formulas, if not specifically stated.
Fig. 1 discloses a solar air supply system, which comprises a heat collecting device 81, an outlet pipe 85, a loop pipe 87 and a user 86, wherein air is heated in the heat collecting device, is delivered to the user 86 through the outlet pipe 85 for air supply, and then is returned to the heat collecting device through the loop pipe 87 for heating.
Preferably, the loop pipe includes a preheat pipe 36.
As an improvement, the user is a multi-storey building, the building comprising walls. As shown in fig. 2, the wall body comprises a transparent plate 35, a preheating pipe 36, a heat insulating layer 37, an outer bearing wall 38, a heat insulating layer 39, an inner bearing wall 43 and a ventilation part 44; the transparent plate 35, the preheating pipe 36 and the heat insulating layer 37 are arranged on the outer surface of the outer bearing wall 38, the transparent plate 35 is arranged outside the preheating pipe 36, the heat insulating layer 37 is arranged on the inner side of the preheating pipe 36, and the heat insulating layer 39 is arranged between the outer bearing wall 38 and the inner bearing wall 43; the ventilation member 44 is disposed on the inner surface of the inner bearing wall 43; the inlet at the upper part of the ventilation part 44 is connected with the solar heat collector 1, the preheating pipe 36 extends from the upper part to the lower part of the wall body, the preheating pipe is provided with a branch, the inlet of the branch extends into the room at the inner side of the wall body, and the inlet of the branch is provided with a fan.
The hot air heated in the heat collector is delivered to the room through the ventilation part 44, and the cold air in the room is sucked into the preheating pipe by the fan and then enters the heat collecting device for heating.
As an option, the upper outlet of the preheating pipe 36 is connected with the solar collector 1. The preheating pipe 36, which is preferably located uppermost, is connected to the solar collector.
Preferably, the ventilation means may take the form of a grille.
Preferably, the ventilation component also includes a branch which extends into the building. Preferably, the branch is provided with a valve, and the amount of air entering each household can be controlled independently.
Air in the solar heat collector enters the ventilation part 44 through an upper inlet of the ventilation part 44 after being heated, the ventilation part 44 supplies hot air to the interior of the building, so that a heating effect is achieved, then the air in the interior of the building enters a lower inlet of the preheating pipe 36 through the fan, then enters the preheating pipe, absorbs solar energy in the preheating pipe, rises in temperature, and then enters the heat collector 1 through an upper preheating pipe outlet to be heated, so that a circulating system is formed. Thereby providing an air conditioning effect.
Preferably, a lens is disposed on the transparent plate 35 for focusing solar energy on the preheating tube. Through setting up lens, can will shine the transparent plate and color the heat focus thermal-arrest to the preheater tube on to further improve the utilization efficiency of solar energy.
According to the invention, the transparent plate, the preheating pipe and other devices are arranged, so that air entering the heat collector can be preheated first, and the reasonable utilization efficiency of the solar energy utilization degree is improved.
Preferably, the ventilation member is a flat tubular member having a flat side parallel to the wall body and a plurality of ventilation openings formed in the flat side facing the wall body. The flat side of the flat tube is parallel to the wall body, so that the heat exchange surface of the flat side faces the interior of a building, and the heat utilization efficiency is improved.
Preferably, the ventilation member comprises an air inlet connected to the outside of the wall, the air inlet being provided with an external fan. The air inlet side is provided with a temperature sensor. In summer, the solar system stops carrying out hot air conveying indoors, the temperature is high in the daytime and relatively low at night, when the temperature at night reaches a proper temperature, such as a proper temperature of a human body, for example, about 18-25 ℃, the temperature sensor transmits a received temperature signal to the controller, and the controller controls the external fan to start working and conveys outside low-temperature air into a room for cooling. Therefore, the invention realizes the bidirectional regulation function of the indoor temperature in summer and winter, is economical and practical and meets the requirement of environmental protection.
Preferably, the inlet of the heat collecting device further comprises a filtering module, the filtering module is preferably arranged between the fluid module and the heat storage module and used for filtering the inlet air, or is arranged in the fluid module and preferably arranged in the inlet air channel, and the filtering module is preferably sequentially provided with a primary filter, an electrostatic dust collector, an activated carbon filter and a gradient purifier.
Preferably, the primary filter is one or more of non-woven fabric, nylon mesh, fluffy glass fiber felt, plastic mesh or metal wire mesh. Preferably, the primary filter screen is of a composite structure at least comprising two layers, and the arrangement directions of the skeleton structure fibers of the filter screen in the composite structure of the two adjacent layers are mutually perpendicular, so that the filtering effect can reach intermediate-effect filtering.
The electrostatic dust collector comprises an electrostatic dust collection section, the electrostatic dust collection section comprises two stages, the two stages are a first stage and a second stage along the flowing direction of wind, and the electric field intensity of the first stage is different from that of the second stage. Further preferably, the electric field strength in the second stage is smaller than the electric field strength in the first stage. Mainly because the large particles contained in the air are reduced by the dust removal in the first stage, and therefore by reducing the electric field strength, it is possible to achieve substantially the same effect with less energy.
Preferably, a plurality of dust collecting polar plates are arranged in each stage, and the dust collecting polar plates are parallel to each other; a plurality of corona electrodes are uniformly arranged between the dust collecting polar plates.
Preferably, the system further comprises a controller, the inlet of the electrostatic dust removal section is provided with a PM10 dust detector for detecting the concentration of PM10 at the inlet position, the PM10 dust detector is in data connection with the controller, and the controller automatically controls the strength of the electric field according to the detected concentration of PM 10.
The controller automatically increases the intensity of the electric field if the detected concentration of PM10 becomes high, and automatically decreases the intensity of the electric field if the detected concentration of PM10 becomes low.
Through foretell intelligent control, the size of electric field is controlled according to particulate matter concentration automatically to realize the intelligent operation of system, but also can reach the requirement of energy saving, further improve the pollutant desorption effect of air.
Preferably, the first stage inlet and the second stage inlet are respectively provided with a PM10 dust detector, and the controller independently controls the electric field intensity in the first stage and the second stage according to the data detected by the PM10 dust detectors of the first stage inlet and the second stage inlet.
The electrostatic precipitator comprises an electrostatic/ultrasonic coupling precipitation section, and preferably, the electrostatic/ultrasonic coupling precipitation section is divided into two stages. An ultrasonic wave generating end is arranged in the device and is connected with an ultrasonic generator to establish an ultrasonic field.
Preferably, a pm2.5 detector is arranged at the inlet section of the electrostatic/ultrasonic coupling dust removal section and used for detecting the concentration of pm2.5 at the inlet position, the pm2.5 detector is in data connection with a controller, and the controller automatically controls the power of the ultrasonic generator according to the detected pm2.5 concentration.
The controller automatically boosts the power of the sonotrode if the detected PM2.5 concentration becomes high, and automatically reduces the power of the sonotrode if the detected PM2.5 concentration becomes low.
Through the intelligent control, the power of the ultrasonic generator is automatically controlled according to the concentration of the particulate matters, so that the intelligent operation of the system is realized, the requirement of saving energy can be met, and the pollutant removal effect of the air is further improved.
Preferably, the electrostatic/ultrasonic coupling dust removal section is divided into two stages, PM2.5 detectors are respectively arranged at inlets, and the controller respectively and independently controls the power of the ultrasonic generators in the third stage and the fourth stage according to data detected by the PM2.5 detectors at the inlets of the two stages.
Preferably, the activated carbon filter comprises a catalyst MnO capable of catalytically decomposing ozone2/CuO、CuO/Ni、MnO2/Pt、Fe3O4/CuO、Ag/Fe2O3、Ni/SiO2One or more of (a).
Preferably, the structure of the gradient purifier is as shown in fig. 3. Fig. 3 shows a cascade air purifier with charged water mist coupled with negative ion generation. As shown in fig. 3, the air purifier includes an outer shell 1, an inner shell 2, an atomization charging module 3, a fiber water distribution dust collection unit 4, an anion synergistic module 5, a cleaning module 9, an adsorptive metal filter screen 8, a water circulation system 6 and a negative pressure ventilation system 7; the lower part of the outer shell 1 is provided with a uniform air inlet and is attached with a primary filter screen 11, the upper part of the outer shell is provided with an air outlet, and the inner shell is sequentially provided with a bearing atomization charging module 3, a fiber water distribution dust collection unit 4, a cleaning module 9, an anion synergistic module 5 and an adsorptive metal filter screen 8 from bottom to top; the water circulation system supplies circulating water required by the atomization charging module 3 and the cleaning module 9, and the negative pressure ventilation system 7 is used for circulating wind from the air inlet to the air outlet of the shell.
Preferably, the inner housing includes a first horizontal section extending horizontally from the outer housing at an upper side of the air intake, a second horizontal section extending upward from an end of the first horizontal section remote from the outer housing, and a vertical section extending horizontally from an end of the vertical section remote from the first horizontal section.
Preferably, the first horizontal segment is arranged at the upper part of the atomization charging module 3 and is positioned in the middle of the shell 1, so that the effects of sound insulation, electromagnetic shielding and the like can be realized.
Preferably, the extension line of the first horizontal segment intersects with the fiber water distribution dust collecting unit 4, wherein the intersection point is located at the middle lower position of the fiber water distribution dust collecting unit 4.
Preferably, the second horizontal segment is provided with an air outlet pipe, and the air outlet channel is connected with an air outlet of the shell.
In the invention, in order to improve the air purification efficiency, a sectional treatment, a step purification and an active cleaning mode are adopted to sequentially remove large particles, a plurality of fine particles, formaldehyde, microbial pollutants and residual fine particles in the air, and negative oxygen ions and moisture beneficial to human bodies are released to the environment. According to the purification principle, a primary filter screen, an atomization charging module, a fiber water distribution dust collection unit, a negative oxygen ion synergistic module and an adsorptive metal filter screen are sequentially arranged, and meanwhile, a cleaning module is used for periodically cleaning accumulated dust.
Through being divided into a plurality of different sections, each section all has corresponding the different pollutants of detaching, not only can be fine realize the desorption of large granule thing in the air, can effectively get rid of fine particle thing, solve the unsatisfactory drawback of former clarifier purifying effect.
According to the invention, through the reasonable collocation of the sequence of the stages, the influence of the particles on the purification effect is avoided, and the purification effect is optimal. On the contrary, it is found through a lot of experiments that the effect of the discharge of the contaminants is remarkably bad if the order of several stages is not arranged according to the present application. Therefore, the sequential matching of the several stages of the present invention belongs to an invention point of the present invention.
According to the invention, the inner shell is arranged, and most parts are arranged in the inner shell, so that on one hand, the sound insulation and electromagnetic shielding effects can be realized, and meanwhile, the pipeline arrangement is convenient.
Preferably, as shown in fig. 3, the negative pressure ventilation system 7 includes a negative pressure blower 71, an air chamber 72, the air outlet pipe at the upper part is provided with the negative pressure blower 71, the negative pressure blower 71 is arranged at the upper part of the adsorptive metal screen 8, the connection mode can be elastic connection or flange connection, and the air chamber is positioned at the air circulation place between the shells. Preferably, the air chamber is connected with the air inlet, and air from the air chamber passes through the atomization charging module 3. In this embodiment, after the negative pressure fan is started, a negative pressure environment is formed in the air chamber 72, and air is sucked into the air chamber 72 from the uniform air inlet on the casing 1 and passes through the primary filter screen 11 for the first filtration, and the filtered air formed at this time is referred to as primary purified air.
The primary purified air flows upwards in the air chamber 72 and sequentially passes through the atomization charging module 3, the fiber water distribution dust collection unit 4, the anion synergistic module 5 and the adsorption metal filter screen 8.
The atomization charging module 3 is located at the lower part of the inner shell 2 and comprises an atomization nozzle 31, an induction electrode ring 32 and a row-shaped connecting rod 33. In the atomizing dust removal module 3, each induction electrode ring 32 is fixed by a row-shaped connecting rod 33, and the atomizing nozzles 31 are positioned below the induction electrode rings 32 in a vertical manner, and the number and the positions are strictly in one-to-one correspondence. The induction electrode ring 32 is connected to a positive high voltage power supply, preferably with an output voltage of typically between 3 and 12 kv. After the power is turned on, a positive coupling layer is accumulated on the surface of the electrode ring 32 to induce a negative charge through the droplet. The atomizing nozzle 31 is connected to a circulating water pipeline 64 of the water circulating system 6, atomizes and sprays circulating water, and induces negative charges with opposite polarities after passing through the induction electrode ring 32 to form finer water mist. When the primary purified wind passes through the fine water mist zone, the carried particles are agglomerated and coalesced under the multiple actions of electrostatic force, collision force and liquid bridge force, and are settled to the fiber water distribution dust collection unit 4 and the water collecting tank 61 along with liquid drops. The water collecting tank 61 contains a water quality precipitator and is provided with a water outlet 611, so that the cleaning and replacement of circulating water can be realized, the circulating water is filtered by the water collecting tank through a water quality filter screen 62 and then is conveyed to a circulating water pipeline 64 by a water pump, and then enters an atomizing nozzle for next circulation. The process strengthens the efficiency of single water mist dust removal, reduces the consumption of circulating water, can effectively remove particles with smaller kinetic diameters, and obtains primary charge for a small amount of escaping particles in purified air.
Preferably, as shown in fig. 3, the fiber water distribution dust collection unit 4 is located above the atomizing nozzle 31, and includes a fiber filter cloth 41 and a suspension bracket 42, the fiber filter cloth 41 is naturally and vertically inserted into the gap of the inductive electrode ring 32, the top connection layer is fixed on the suspension bracket 42 in a penetrating manner, and the suspension bracket 42 is mounted on the inner housing 2. The fiber filter cloth 41 can adhere to and intercept particulate matters in the filter air, the adsorption capacity of the fiber filter cloth to the particulate matters is enhanced after the fiber filter cloth is wetted by atomized liquid drops, the atomized pollutants can be effectively prevented from escaping for the second time, and the pollutants such as formaldehyde and the like adhered to the fiber filter cloth catalyze the cleaning agent, so that the fiber filter cloth has the characteristics of removing the formaldehyde, adsorbing the particulate matters and the like. The cleaning module 9 above the cleaning module sprays cleaning water in the water circulation system 6 from the top end spray head at regular time, cleaning liquid drops wash the wall surface of the channel, so that deposited particles and the like fall into the water collecting tank 61 along with the liquid drops to finish the single cleaning of the fiber water distribution dust collecting unit 4, and the cleaning interval can be manually selected and adjusted according to the air pollutant concentration. The air subjected to the sterilization, dust removal, adsorption and filtration processes in this example is referred to as secondary purified air.
Preferably, as shown in fig. 3, the negative ion potentiating module 5 is located above the atomizing nozzle 31 and includes a corona tip 51 and a metal bracket 52. A plurality of corona tips 51 are distributed and welded on the metal support 52, and meanwhile, a negative high-voltage power supply is connected, preferably, the output voltage is controlled between 5kv and 30kv, and can be adjusted according to the concentration of pollutants. The corona tip 51 releases negative electrons to the wind chamber 72, so that secondary purified wind is ionized to generate negative oxygen ions, residual fine particles in the air are loaded with like-polarity negative charges again, secondary charging is realized, other pollutants such as bacteria, viruses, harmful gases and the like in the filtered wind are killed, and the residual negative oxygen ions enter the heat collector along with over-purification to become fresh wind with an active purification effect. The secondary charge integration of negative oxygen ions and particles reduces the energy consumption and the equipment space.
The adsorptive metal filter screen 8 is positioned above the negative ion synergistic module 5 and below the negative pressure fan 71, the secondary purified air is subjected to the last-stage filtration, a small amount of intensified charged dust particles remaining in the secondary purified air are adsorbed and filtered by the adsorptive metal filter screen 8, and then under the traction of the negative pressure fan 71, the purified fresh air carrying negative oxygen ions enters the heat collector, namely, the tertiary purified air.
The charged water mist coupled negative ion synergistic cascade air purifier can synchronously carry out atomization dust removal and negative oxygen ion sterilization, improves the air purification efficiency and reduces the energy consumption. Specifically, the atomization charged module and the negative oxygen ion synergistic module realize functional integration, on one hand, particles are loaded with like-polarity negative charges in a grading mode, the charged quantity of the particles in the air is enhanced through charging twice, the charged particles are easier to be intercepted by an adsorption type metal filter screen, on the other hand, the use times of circulating water are reduced through efficient charged water mist dust removal, and meanwhile, the negative oxygen ions carrying sterilization and disinfection effects in fresh air enter the heat collector. According to the invention, multi-level air purification is realized and the purification quality of circulating air can be effectively improved by multiple filtration and interception modes such as primary filter screen filtration, charged atomization and trapping, fiber filter cloth adsorption, negative oxygen ion synergism, high-efficiency metal mesh interception and the like.
Preferably, the air inlet is provided with a particle detector for detecting the concentration of particles in the inlet air, the particle detector is in data connection with the controller, and the controller controls the power of the atomization charging module 3 according to the detected data.
When the detected particle concentration increases, the controller controls the power of the atomizing charged module 3 to increase, thereby improving the particle removal force. When the detected particle concentration is reduced, the controller controls the power of the atomizing charge module 3 to be reduced, so that the particle removing force is reduced, and the energy is saved.
According to the invention, the power change of the atomization charging module 3 is automatically controlled according to the concentration of the particulate matters, so that the intellectualization of the system is further improved, and the energy is saved.
Preferably, the air inlet is provided with a particle detector for detecting the concentration of particles in the inlet air, the particle detector is in data connection with the controller, and the controller controls the power of the air outlet fan according to the detected data.
When the granule concentration that detects increases, the power of controller control air outlet fan reduces to make the air quantity that gets into reduce, avoid getting rid of the dynamics of granule and lead to air outlet air quality not up to standard inadequately. When the detected particle concentration is reduced, the controller controls the power of the air inlet fan or the air outlet fan to be increased, so that the air quantity is increased, the air inlet efficiency is ensured, and meanwhile, the particle concentration can reach the requirement.
According to the invention, the power change of the air outlet fan is automatically controlled according to the concentration of the particulate matters, so that the quality and efficiency of the outlet air can meet the requirements, the intellectualization of the system can be further improved, and the energy can be saved.
Preferably, in the above automatic control, the particle detector disposed at the air outlet may be used to replace the particle detector at the air inlet, and the intelligent control of the power of the atomizing charge module 3 and the power of the air outlet fan may be realized by detecting the particle concentration at the air outlet. The control mode is the same as that of the particle detector arranged at the air inlet.
In practical research, it is found that there is an optimal relationship between the air flow rate of the air inlet, the air particle concentration of the air inlet, and the power of the atomizing charge module 3, and if the ratio between the air flow rate and the power of the atomizing charge module 3 is too large, the quality of the output air is inevitably poor, and the purification effect cannot be achieved. If the ratio of the air particle concentration to the power of the atomization charging module 3 is too large, the quality of the output air is inevitably poor, the purification effect cannot be achieved, and otherwise, too large waste of the power is caused. According to the invention, through numerical calculation and experimental research, the relation between the optimal air flow rate, the air particle concentration of the air inlet and the atomization charging module 3 is obtained.
The controller stores the reference data: velocity V of airAir (a)Air particle concentration N of air inletAir (a)And the power W of the atomization charged module 3, the operation is performed under the reference data, and the concentration of the air particles output by the atomization charged module 3 meets the requirement.
If the air flow rate becomes vAir (a)Air particle concentration n of air inletAir (a)In time, the power w of the atomizing charge module 3 satisfies the following operation modes:
w/W＝a*((vair (a)/VAir (a))*(nAir (a)/NAir (a)))bWherein a and b are parameters, and the following formula is satisfied:
(vair (a)/VAir (a))*(nAir (a)/NAir (a))＜1，0.97＜a＜1.0；1.0＜b＜1.06；
(vAir (a)/VAir (a))*(nAir (a)/NAir (a))＝1，a＝1，b＝1；
(vAir (a)/VAir (a))*(nAir (a)/NAir (a))，1.0＜a＜1.03，1.0＜b＜1.05；
Wherein the following condition needs to be satisfied in the formula of the above mode: 0.88 < (v)Air (a)/VAir (a))*(nAir (a)/NAir (a))＜1.12；
The reference data is stored in the controller.
Preferably, the controller stores a plurality of sets of reference data.
Preferably, when a plurality of sets of reference data are satisfied ((1-V/V)2+(1-n/N)2) The smallest value of (a) and (b).
Through the control formula, the power of the atomization charge module 3 and the wind speed can be regulated according to actual changes, energy loss caused by overlarge or undersize power or output air quality caused by the situation that the output air quality cannot meet the requirements are avoided, and the intelligent degree of the system is further improved.
Preferably, the atomization charging module 3 adjusts the power W by adjusting the high-voltage power supply connected to the induction electrode ring 32.
Preferably, the air particle concentration detected by the air inlet is the air particle concentration filtered by the primary filter screen 11.
Preferably, the air flow rate is realized by adjusting the power of the air outlet fan.
As a preference, several filter elements can be provided according to the actual situation, for example the air pollution level. Preferably, a step purifier is arranged in the filtering module. Other primary filters, electrostatic precipitators, and activated carbon filters may or may not be selectively provided.
Although the present invention has been described with reference to the preferred embodiments, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (5)

1. An intelligently controlled solar hot air system comprises a heat collecting device, an outlet pipe, a loop pipe and a user, wherein air is heated in the heat collecting device, is conveyed to the user through the outlet pipe for air supply, and then enters the heat collecting device through the loop pipe for heating; the primary filter is one or more of non-woven fabrics, nylon nets, fluffy glass fiber felts, plastic nets or metal wire nets; the user is a multi-storey building, the building comprises a wall body, and the wall body comprises a transparent plate, a preheating pipe, a heat insulation layer, an outer bearing wall, a heat insulation layer, an inner bearing wall and a ventilation component; the transparent plate, the preheating pipe and the heat insulation layer are arranged on the outer surface of the outer bearing wall, the transparent plate is arranged outside the preheating pipe, the heat insulation layer is arranged on the inner side of the preheating pipe, and the heat insulation layer is arranged between the outer bearing wall and the inner bearing wall; the ventilation component is arranged on the inner surface of the inner bearing wall; an inlet at the upper part of the ventilation part is connected with a solar heat collector, a preheating pipe extends from the upper part to the lower part of the wall body, the preheating pipe is provided with a branch, an inlet of the branch extends into a room at the inner side of the wall body, and a fan is arranged at the inlet of the branch.
2. The solar hot air system of claim 1, wherein the air purifier comprises an outer shell, an inner shell, an atomization charging module, a fiber water distribution dust collection unit, an anion synergy module, a cleaning module, an adsorptive metal screen, a water circulation system and a negative pressure ventilation system; the lower part of the outer shell is provided with a uniform air inlet, a primary filter screen is attached to the uniform air inlet, the upper part of the outer shell is provided with an air outlet, and the inner shell is sequentially provided with a bearing atomization charging module, a fiber water distribution dust collection unit, a cleaning module, an anion synergistic module and an adsorptive metal filter screen from bottom to top; the water circulation system supplies circulating water required by the atomization charging module and the cleaning module, and the negative pressure ventilation system 7 is used for circulating indoor air from the air inlet to the air outlet of the shell.
3. The solar thermal air system of claim 1, wherein the activated carbon filter comprises MnO as a catalyst for catalytically decomposing ozone2/CuO、CuO/Ni、MnO2/Pt、Fe3O4/CuO、Ag/Fe2O3、Ni/SiO2One or more of (a).
4. A solar hot air system according to claim 1, wherein a lens is provided on the transparent plate 35 for focusing solar energy on the preheating tube.
5. The solar hot air system of claim 1, wherein the electrostatic precipitator comprises an electrostatic precipitation section, the electrostatic precipitation section comprises two stages, a first stage and a second stage along the flow direction of the wind, the first stage and the second stage have different electric field strengths, and the electric field strength of the second stage is less than that of the first stage.
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103586131A (en) * 2012-10-17 2014-02-19 江苏大学 Device and method for purifying indoor air through electrostatic atomization
CN109028312A (en) * 2018-10-13 2018-12-18 上海安本电子科技有限公司 A kind of indoor purifying formula breathing equipment and air purification method
CN110986239A (en) * 2019-12-23 2020-04-10 青建集团股份公司 Ventilation system utilizing solar energy and building thereof
CN113136981A (en) * 2020-01-17 2021-07-20 青建集团股份公司 Fabricated building wall, building and construction period calculation method based on tower crane operation
CN113357693A (en) * 2021-01-06 2021-09-07 青岛乾福圣耀商贸有限公司 Solar air supply system with back angle increased along flow direction

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103586131A (en) * 2012-10-17 2014-02-19 江苏大学 Device and method for purifying indoor air through electrostatic atomization
CN109028312A (en) * 2018-10-13 2018-12-18 上海安本电子科技有限公司 A kind of indoor purifying formula breathing equipment and air purification method
CN110986239A (en) * 2019-12-23 2020-04-10 青建集团股份公司 Ventilation system utilizing solar energy and building thereof
CN113136981A (en) * 2020-01-17 2021-07-20 青建集团股份公司 Fabricated building wall, building and construction period calculation method based on tower crane operation
CN113357693A (en) * 2021-01-06 2021-09-07 青岛乾福圣耀商贸有限公司 Solar air supply system with back angle increased along flow direction

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