CN108253547B - Air purification device and method - Google Patents

Air purification device and method Download PDF

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Publication number
CN108253547B
CN108253547B CN201611222262.8A CN201611222262A CN108253547B CN 108253547 B CN108253547 B CN 108253547B CN 201611222262 A CN201611222262 A CN 201611222262A CN 108253547 B CN108253547 B CN 108253547B
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air
cleaning
box body
filtering
time
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CN108253547A (en
Inventor
李玉昆
李子瑜
冯敬利
张金鹏
陈万年
王嘉馨
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Tianjin Hengrun Environmental Engineering Co ltd
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Tianjin Hengrun Environmental Engineering Co ltd
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    • 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
    • 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
    • F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
    • 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
    • F24F8/90—Cleaning of purification apparatus

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The invention provides an air purification device, which comprises a box body, an air inlet, an air outlet and a fan, wherein a primary filtering system is fixedly arranged in the box body close to one side of the air inlet, the primary filtering system comprises three rotating shafts, a filtering net, a motor, a Hall sensor and a secondary filtering system, the secondary filtering system comprises a U-shaped pipe, filtering particles and an electric telescopic rod, the lower ends of the primary filtering system and the secondary filtering system are provided with a backwashing system, the lower ends of the primary filtering system and the secondary filtering system are positioned in the backwashing system, the backwashing system comprises a cleaning tank, a cleaning liquid, an ultrasonic generator and an online DOC luminosity detection sensor, and a negative ion generator is arranged on the right side surface of the box body, so that the device has the advantages of always keeping high-efficiency filtering efficiency, good filtering effect, high automation degree and the like, can effectively remove fine particles, impurities, formaldehyde and other impurities in the air.

Description

Air purification device and method
Technical Field
The invention belongs to the technical field of air purification, and particularly relates to an air purification device and method.
Background
Air quality has important influence on the health, life and working quality of people, at present, waste gas discharged in industrial production, the discharge of a large amount of automobile exhaust in life, the incineration of household garbage and the like seriously pollute air, and an air purifier is widely used for reducing the harm of indoor polluted air to the health of people.
The existing air purifier mainly comprises an electrostatic air purifier and an HEPA filter screen air purifier, the ozone generated in the working process of the electrostatic air purifier can be used for a long time, the body health of people can be harmed, a high-pressure discharge point phenomenon can be generated, and high potential safety hazards exist; HEPA filter screen air purifier is because HEPA filter screen windage is great, increase fan loss, the life of equipment has been reduced, HEPA filter screen life is short simultaneously, and is expensive, HEPA filter screen after the change can not recycle once more, cause serious waste and economic loss, therefore, adopt the filter screen that can the used of repeated cleaning to replace the HEPA filter screen among the current air purifier, after using a period, the thing of holding back on the filter screen increases, when leading to the filter effect to reduce, can utilize anti-belt cleaning device to wash the filter screen, reuse, but also there is at the anti-cleaning in-process, air purifier can not keep efficient filter effect all the time, work efficiency is not high.
Disclosure of Invention
The invention aims to provide an air purification device which always keeps high-efficiency filtering efficiency, has good filtering effect and high automation degree.
Another object of the present invention is to provide an air purification method capable of effectively removing fine particles, impurities, formaldehyde, etc. from air.
In order to solve the technical problems, the invention adopts the technical scheme that: an air purification device comprises a box body, an air inlet, an air outlet and a fan, wherein the air inlet is arranged on the left side surface of the box body, the air outlet is arranged at the top of the box body and is close to the right side surface of the box body, the fan is arranged at the air outlet, a primary filtering system is fixedly arranged in the box body close to one side of the air inlet in sequence, the primary filtering system comprises three rotating shafts, a filter screen, a motor and a Hall sensor, the three rotating shafts are arranged in a regular triangle, the filter screen is wound on the three rotating shafts, the motor controls the rotating shafts and the filter screen to rotate anticlockwise, the Hall sensor is arranged on the left side surface of the box body, the micro-magnet is arranged on three vertexes of the filter screen, and the Hall sensor is electrically connected with the motor; the secondary filtering system comprises a U-shaped pipe, filtering particles and an electric telescopic rod, a plurality of ventilation holes are formed in the wall of the U-shaped pipe, the free end of the U-shaped pipe is fixed to the top of the box body, the filtering particles are arranged in the U-shaped pipe, the volume of the filtering particles is one half of that of the U-shaped pipe, a through hole is formed in the lower end of the U-shaped pipe, the diameter of the through hole is smaller than that of the filtering particles, the electric telescopic rod is fixedly arranged at the top of the box body and located in the U-shaped pipe, and a pressing plate is arranged at the free end of the electric telescopic rod; the one-level filtration system and second grade filtration system lower extreme are provided with anti-cleaning system, the lower extreme of one-level filtration system and second grade filtration system is located anti-cleaning system, anti-cleaning system includes washing tank, washing liquid, supersonic generator and online DOC luminosity detection sensor set up in the washing tank, be provided with the washing liquid export on the washing tank, be provided with anion generator on the right flank of box.
Further, the device comprises a control system, wherein the control system comprises a human-computer interaction screen, a microprocessor, a first timing module, a second timing module, a third timing module, a countdown module and an alarm module, the first timing module, the second timing module, the third timing module, the countdown module and the alarm module are electrically connected with the input end of the microprocessor, the motor, the electric telescopic rod, the ultrasonic generator and the human-computer interaction screen are electrically connected with the output end of the microprocessor, and the DOC online luminosity detection sensor is electrically connected with the alarm module.
Further, a liquid supply device is arranged on the box body and comprises a liquid storage tank and a first pump body, and the lower end of the liquid storage tank is connected with the cleaning tank through the first pump body.
Further, U type pipe lower extreme is provided with agitating unit, agitating unit includes agitator motor, (mixing) shaft and stirring paddle leaf, the (mixing) shaft passes the perforating hole is located inside the U type pipe, stirring paddle leaf is fixed to be set up on the (mixing) shaft, the agitator motor outside is provided with the seal shell, the seal shell with the contact department of (mixing) shaft is provided with sealed the pad.
Further, the water quality treatment device comprises a second pump body and an ultrafiltration membrane component, wherein the cleaning fluid outlet is sequentially connected with the second pump body and the ultrafiltration membrane component, and the ultrafiltration membrane component is connected with the liquid storage tank.
Furthermore, the filter particles are made of polytetrafluoroethylene.
The invention provides an air purification method, which comprises the following steps:
(1) setting motor operation interval time T through man-machine interaction screen1And the running interval time T of the electric telescopic rod2Running interval time T of ultrasonic generator3And running time T of ultrasonic generator4；
(2) Setting an upper limit value C of organic carbon content detected by an online DOC photometric detection sensor through a human-computer interaction screen1；
(3) Starting a fan, forming negative pressure in the box body, enabling air to enter the box body through an air inlet, removing dust in the air through a primary filtering system, and enabling liquid on the surfaces of filter particles to be used for adsorbing organic carbon, dust and formaldehyde in the air through a secondary filtering system;
(4) the negative ion generator generates negative ions, and the purified air and the negative ions are discharged from the air outlet;
(5) starting a stirring motor, and stirring and cleaning the filter particles;
(6) time of arrival T1When the micro magnet on the filter screen contacts with the Hall sensor, the motor is controlled to stop rotating to perform T of the next period1Timing time;
(7) time of arrival T2When the telescopic handle is used, the electric telescopic handle finishes the one-time telescopic process, the filter particles are cleaned, and after the one-time telescopic process is finished, the T of the next period is carried out2Timing time;
(8) time of arrival T3The ultrasonic generator is operated, and the operation time T is started4Is counted down, the ultrasonic generator runs T4Stopping after the time, and starting to perform T of the next period3Timing time;
(9) detecting that the content of organic carbon in the cleaning liquid exceeds C by an on-line DOC photometric detection sensor1And when the cleaning solution is used, the alarm module gives an alarm to replace the cleaning solution.
Further, the method for replacing the cleaning solution in the step (9) is that after the cleaning solution is discharged from the cleaning solution outlet, a new cleaning solution in the liquid storage tank is pumped into the cleaning tank through the first pump body or the cleaning solution is pumped into the ultrafiltration membrane module through the second pump body for filtration treatment, and the treated cleaning solution enters the liquid storage tank and enters the cleaning tank again from the liquid storage tank through the first pump body.
Compared with the prior art, the invention has the advantages and beneficial effects that:
1. the air purifier adopts a multi-stage filtering mode to purify air, the purification is thorough, and meanwhile, the purifier is compact in structure, small in occupied area and high in purification efficiency;
2. the primary filtering system adopts a regular triangle structure, air passes through the filter screens twice in the primary filtering process, the filtering efficiency is high, meanwhile, the rotating shaft is utilized to drive the filter screens to rotate anticlockwise, the filtering efficiency of the filter screens at two sides for filtering is always guaranteed to be the best, the filter screens close to the air inlet are immersed into the cleaning tank for cleaning and recycling, and the use cost is reduced;
3. the secondary filtering system adopts a U-shaped pipe structure, filtering particles are added into the U-shaped pipe, a through hole is formed in the lower end of the U-shaped pipe, the lower end of the U-shaped pipe is immersed into the cleaning tank, the electric telescopic rod drives the pressing plate to apply certain pressure to the filtering particles, the filtering particles are pushed to pass through the cleaning tank, a water film is formed on the surfaces of the filtering particles, and when air passes through the secondary filtering system, dust, organic carbon, formaldehyde and the like in the air are adsorbed by the filtering particles, so that the aim of purifying the air is further fulfilled, and the;
4. the cleaning tank adopts the ultrasonic generator to carry out ultrasonic cleaning on the filter screen and the filter particles, the cleaning effect is good, meanwhile, an online DOC luminosity detection sensor is arranged in the cleaning tank, the organic carbon content is taken as a standard, whether the water quality in the cleaning tank needs to be replaced or not is detected, the detection precision is good, the automation degree is high, and the use is convenient;
5. the invention adopts the control system to control the operation of the air purification device, has high automation degree and convenient operation, and is suitable for popularization.
Drawings
Fig. 1 is a schematic view of the internal structure of an air cleaning apparatus according to the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is a schematic view of the internal structure of another embodiment of an air cleaning apparatus according to the present invention.
Fig. 4 is a left side view schematically illustrating an air cleaning apparatus according to the present invention.
Fig. 5 is a connection diagram of a control system of an air cleaning apparatus according to the present invention.
In the figure: 1-a box body; 2-air inlet; 3, air outlet; 4-a fan; 5-a rotating shaft; 6, filtering a screen; 7-a motor; 8-a Hall sensor; 9-a micro-magnet; 10-U-shaped tube; 11-filtering the particles; 12-an electric telescopic rod; 13-a through hole; 14-a platen; 15-a cleaning tank; 16-cleaning liquid; 17-an ultrasonic generator; 18-on-line DOC photometric detection sensor; 19-a cleaning liquid outlet; 20-negative ion generator; 21-a human-computer interaction screen; 22-a microprocessor; 23-a first timing module; 24-a second timing module; 25-a third timing module; 26-a countdown module; 27-an alarm module; 28-a liquid storage tank; 29-a first pump body; 30-a stirring motor; 31-a stirring shaft; 32-stirring blade; 33-sealing the shell; 34-a seal pad; 35-a second pump body; 36-ultrafiltration membrane module.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
As shown in figure 1, figure 2 and figure 4, the air purification device comprises a box body 1, an air inlet 2, an air outlet 3 and a fan 4, wherein the air inlet 2 is arranged on the left side surface of the box body 1, the air outlet 3 is arranged at the top of the box body 1, the air outlet 3 is close to the right side surface of the box body 1, the fan 4 is arranged at the air outlet 3, a primary filtering system is fixedly arranged in the box body 1 at one side close to the air inlet 2 in sequence and comprises three rotating shafts 5, a filtering net 6, a motor 7 and Hall sensors 8, the three rotating shafts 5 are arranged in a regular triangle, the filtering net 6 is wound on the three rotating shafts 5 to form the regular triangle filtering system, the motor 7 controls the rotating shafts 5 and the filtering net 6 to rotate anticlockwise, the Hall sensors 8 are arranged on the left side surface of the box body 1 and correspond to the rotating shaft 5 closest to the left side surface, the Hall sensor 8 is electrically connected with the motor 7, and when the rotating shaft 5 drives the filter screen 6 to rotate, the micro magnet 9 on the filter screen 6 is opposite to the Hall sensor 8, and the motor 7 is controlled to stop;
the secondary filtering system comprises a U-shaped pipe 10, filtering particles 11 and an electric telescopic rod 12, a plurality of ventilation holes (not shown) are formed in the wall of the U-shaped pipe 10 to ensure that air can pass through the secondary filtering system, the free end of the U-shaped pipe 10 is fixed to the top of the box body 1, the filtering particles 11 are arranged in the U-shaped pipe 10, the volume of the filtering particles 11 accounts for one half of that of the U-shaped pipe 10, a through hole 13 is formed in the lower end of the U-shaped pipe 10, the diameter of the through hole 13 is smaller than that of the filtering particles 11 to prevent the filtering particles 11 from leaking out of the U-shaped pipe 10, the electric telescopic rod 12 is fixedly arranged at the top of the box body 1 and located in the U-shaped pipe 10, a pressing plate 14 is arranged at the free end of the electric telescopic rod 12, and the electric telescopic rod 12;
the backwashing system is arranged at the lower ends of the primary filtering system and the secondary filtering system and comprises a cleaning tank 15, cleaning liquid 16, an ultrasonic generator 17 and an online DOC luminosity detection sensor 18, the ultrasonic generator 17 and the online DOC luminosity detection sensor 18 are arranged in the cleaning tank 15, a cleaning liquid outlet 19 is arranged on the cleaning tank 15, the ultrasonic cleaning technology utilizes the cavitation effect of ultrasonic waves in a liquid medium to generate instantaneous high pressure, so that dirt on the surface of an object can be quickly fallen off, and the backwashing system has the advantages of high quality, high efficiency and the like, meanwhile, the online DOC luminosity detection sensor 18 is used for determining whether the cleaning liquid 16 in the cleaning tank 15 needs to be replaced according to the standard of the content of organic carbon in the cleaning liquid.
And the negative ion generator 20 is arranged on the right side surface of the box body 1, the negative ion generator 20 generates negative ions, and air passing through the primary filtering system and the secondary filtering system is discharged together with the negative ions at the air outlet 3.
As shown in fig. 5, the system further comprises a control system, the control system comprises a human-computer interaction screen 21, a microprocessor 22, a first timing module 23, a second timing module 24, a third timing module 25, a countdown module 26 and an alarm module 27, the first timing module 23, the second timing module 24, the third timing module 25, the countdown module 26 and the alarm module 27 are electrically connected with an input end of the microprocessor 22, the motor 7, the electric telescopic rod 12, the ultrasonic generator 17 and the human-computer interaction screen 21 are electrically connected with an output end of the microprocessor 22, the on-line DOC luminosity detection sensor 18 is electrically connected with the alarm module 27, the first timing module 23 controls an operation interval of the motor 7, the second timing module 24 controls an operation interval of the electric telescopic rod 12, the third timing module 25 controls an operation interval of the ultrasonic generator 17, the countdown module 26 controls an operation time of the ultrasonic generator 17, when the content of the organic carbon detected by the on-line DOC photometric detection sensor 18 exceeds a set value, an alarm is given through the alarm module 27.
Further, a liquid supply device is arranged on the box body 1, the liquid supply device comprises a liquid storage tank 28 and a first pump body 29, and the lower end of the liquid storage tank 28 is connected with the cleaning tank 15 through the first pump body 29.
As shown in fig. 2, a stirring device is arranged at the lower end of the U-shaped pipe 10, the stirring device includes a stirring motor 30, a stirring shaft 31 and a stirring blade 32, the stirring shaft 31 passes through the through hole 13 and is located inside the U-shaped pipe 10, the stirring blade 32 is fixedly arranged on the stirring shaft 31, a sealing shell 33 is arranged outside the stirring motor 30, a sealing gasket 34 is arranged at the contact position of the sealing shell 33 and the stirring shaft 31, the cleaning liquid 16 is prevented from entering the stirring motor 30, the stirring motor 30 is protected, the service life is prolonged, the stirring device stirs the filtering particles 11 when the filtering particles pass through the bottom of the U-shaped pipe 10, so that the filtering particles are fully.
Further, the device comprises a water quality treatment device, wherein the water quality treatment device comprises a second pump body 35 and an ultrafiltration membrane assembly 36, the cleaning liquid outlet 19 is sequentially connected with the second pump body 35 and the ultrafiltration membrane assembly 36, and the ultrafiltration membrane assembly 36 is connected with the liquid storage tank 28.
Furthermore, the filter particles 11 are made of polytetrafluoroethylene, and have the advantages of good adsorption effect, wear resistance, long service life and the like.
The invention provides an air purification method, which comprises the following steps:
(1) setting the running interval time T of the motor 7 through the man-machine interaction screen 211And the running interval time T of the electric telescopic rod 122Running interval time T of ultrasonic generator 173And running time T of ultrasonic generator 174Wherein the time interval setting may be T1＝T2，T3>＝2T2The motor 7 and the electric telescopic rod 12 are guaranteed to be cleaned after running twice, energy consumption is reduced, filtering efficiency is improved, and T is4Can be set arbitrarily;
(2) the upper limit value C of the organic carbon content detected by the on-line DOC photometric detection sensor 18 is set through the man-machine interaction screen 211；
(3) Starting a fan 7, forming negative pressure in the box body 1, enabling air to enter the box body 2, removing dust in the air through a primary filtering system, and enabling liquid on the surfaces of filter particles 11 to be used for adsorbing organic carbon, dust and formaldehyde in the air through a secondary filtering system;
(4) the negative ion generator 20 generates negative ions, and the purified air and the negative ions are discharged from the air outlet 3;
(5) starting the stirring motor 30 to stir and clean the filter particles 11;
(6) time of arrival T1When the micro magnet 9 on the filter screen 6 contacts with the Hall sensor 8, the motor 7 is controlled to stop rotating to perform T of the next period1Timing time;
(7) time of arrival T2When the telescopic handle 12 is retracted, the telescopic handle 12 finishes the primary retraction process, cleans the filter particles 11, and performs the next period of T after the primary retraction is finished2Timing time;
(8) time of arrival T3At the same time, the ultrasonic generator 17 is operated, and the operation time T is started4Is counted down, the ultrasonic generator 17 runs T4Stopping after the time, and starting to perform T of the next period3Timing time;
(9) the on-line DOC photometric detection sensor 18 detects that the content of organic carbon in the cleaning liquid 16 exceeds C1In this case, the alarm module 27 gives an alarm to replace the cleaning liquid 16.
As shown in fig. 1, the cleaning liquid 16 is replaced in step (9) by discharging the cleaning liquid 16 at the cleaning liquid outlet 19, pumping a new cleaning liquid in the reservoir 28 into the cleaning tank 15 by the first pump 29, or as shown in fig. 3, pumping the cleaning liquid 16 into the ultrafiltration membrane module 36 by the second pump 35 for filtration, and the cleaning liquid after treatment enters the reservoir 28 and enters the cleaning tank 15 again from the reservoir 28 through the first pump 29.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All in accordance with the scope of the present application.

Claims (8)

1. The utility model provides an air purification device, includes box, air intake, air outlet and fan, the air intake sets up the left surface of box, the air outlet sets up the top of box, the air outlet is close to the right flank of box, the fan sets up air outlet department, its characterized in that: one side of the box body close to the air inlet is fixedly arranged in sequence,
the primary filtering system comprises three rotating shafts, a filter screen, a motor and a Hall sensor, wherein the three rotating shafts are arranged in a regular triangle shape, the filter screen is wound on the three rotating shafts, the motor controls the rotating shafts and the filter screen to rotate anticlockwise, the Hall sensor is arranged on the left side surface of the box body and corresponds to the rotating shaft closest to the left side surface of the box body, micro magnets are arranged on three vertexes of the filter screen, and the Hall sensor is electrically connected with the motor;
the secondary filtering system comprises a U-shaped pipe, filtering particles and an electric telescopic rod, a plurality of ventilation holes are formed in the wall of the U-shaped pipe, the free end of the U-shaped pipe is fixed to the top of the box body, the filtering particles are arranged in the U-shaped pipe, the volume of the filtering particles is one half of that of the U-shaped pipe, a through hole is formed in the lower end of the U-shaped pipe, the diameter of the through hole is smaller than that of the filtering particles, the electric telescopic rod is fixedly arranged at the top of the box body and located in the U-shaped pipe, and a pressing plate is arranged at the free end of the electric telescopic rod;
the one-level filtration system and second grade filtration system lower extreme are provided with anti-cleaning system, the lower extreme of one-level filtration system and second grade filtration system is located anti-cleaning system, anti-cleaning system includes washing tank, washing liquid, supersonic generator and online DOC luminosity detection sensor set up in the washing tank, be provided with the washing liquid export on the washing tank, be provided with anion generator on the right flank of box.
2. An air cleaning device according to claim 1, characterized in that: still include control system, control system includes human-computer interaction screen, microprocessor, first timing module, second timing module, third timing module, count down module and alarm module with microprocessor's input electricity is connected, motor, electric telescopic handle, supersonic generator and human-computer interaction screen with microprocessor's output electricity is connected, online DOC photometric detection sensor with alarm module electricity is connected.
3. An air cleaning device according to claim 1, characterized in that: the liquid supply device is arranged on the box body and comprises a liquid storage tank and a first pump body, and the lower end of the liquid storage tank is connected with the cleaning tank through the first pump body.
4. An air cleaning device according to claim 1, characterized in that: the U type pipe lower extreme is provided with agitating unit, agitating unit includes agitator motor, (mixing) shaft and stirring paddle leaf, the (mixing) shaft passes the perforating hole is located inside the U type pipe, stirring paddle leaf is fixed to be set up on the (mixing) shaft, agitator motor outside is provided with the seal shell, the seal shell with the contact department of (mixing) shaft is provided with sealed the pad.
5. An air cleaning device according to claim 3, characterized in that: the water quality treatment device comprises a second pump body and an ultrafiltration membrane component, the cleaning fluid outlet is sequentially connected with the second pump body and the ultrafiltration membrane component, and the ultrafiltration membrane component is connected with the liquid storage tank.
6. An air cleaning device according to claim 1, characterized in that: the filter particles are made of polytetrafluoroethylene.
7. A method of purifying air, the method comprising the steps of:
(1) setting motor operation interval time T through man-machine interaction screen1And the running interval time T of the electric telescopic rod2Running interval time T of ultrasonic generator3And running time T of ultrasonic generator4；
(2) Setting an upper limit value C of organic carbon content detected by an online DOC photometric detection sensor through a human-computer interaction screen1；
(3) Starting a fan, forming negative pressure in the box body, enabling air to enter the box body through an air inlet, removing dust in the air through a primary filtering system, and enabling liquid on the surfaces of filter particles to be used for adsorbing organic carbon, dust and formaldehyde in the air through a secondary filtering system;
(4) the negative ion generator generates negative ions, and the purified air and the negative ions are discharged from the air outlet;
(5) starting a stirring motor, and stirring and cleaning the filter particles;
(6) time of arrival T1When the micro magnet on the filter screen contacts with the Hall sensor, the motor is controlled to stop rotating to carry outT of the next cycle1Timing time;
(7) time of arrival T2When the telescopic handle is used, the electric telescopic handle finishes the one-time telescopic process, the filter particles are cleaned, and after the one-time telescopic process is finished, the T of the next period is carried out2Timing time;
(8) time of arrival T3The ultrasonic generator is operated, and the operation time T is started4Is counted down, the ultrasonic generator runs T4Stopping after the time, and starting to perform T of the next period3Timing time;
(9) detecting that the content of organic carbon in the cleaning liquid exceeds C by an on-line DOC photometric detection sensor1And when the cleaning solution is used, the alarm module gives an alarm to replace the cleaning solution.
8. An air cleaning method according to claim 7, characterized in that: and (9) after the cleaning liquid is discharged from the cleaning liquid outlet, pumping new cleaning liquid in the liquid storage tank into the cleaning tank through the first pump body or pumping the cleaning liquid into the ultrafiltration membrane assembly through the second pump body for filtration treatment, wherein the treated cleaning liquid enters the liquid storage tank and enters the cleaning tank again from the liquid storage tank through the first pump body.
CN201611222262.8A 2016-12-27 2016-12-27 Air purification device and method Active CN108253547B (en)

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