CN111330385A - Air purifier - Google Patents
Air purifier Download PDFInfo
- Publication number
- CN111330385A CN111330385A CN202010271518.4A CN202010271518A CN111330385A CN 111330385 A CN111330385 A CN 111330385A CN 202010271518 A CN202010271518 A CN 202010271518A CN 111330385 A CN111330385 A CN 111330385A
- Authority
- CN
- China
- Prior art keywords
- filter screen
- assembly
- air
- formaldehyde
- air purifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0012—In-line filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/72—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with backwash arms, shoes or nozzles
-
- 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
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- 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
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention relates to the technical field of air purification, in particular to an air purifier, which comprises: a housing; the filter screen assembly and the driving assembly are both arranged in the shell, and the driving assembly is used for enabling air to be purified to enter the shell and sequentially provide power through the filter screen assembly; the washing subassembly, the orientation the filter screen subassembly sets up, including be used for right the filter screen subassembly applys the structure of sweeping the power and be used for the drive sweep the structure edge the power structure that the covering surface of filter screen subassembly removed, the single area of sweeping the structure is less than the area of the covering surface of filter screen subassembly. The invention provides an air purifier with long service life and good aldehyde removal effect.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to an air purifier.
Background
At present, most of air purifiers use chemical adsorption type formaldehyde removal, namely organic amine or inorganic ammonium is loaded on carriers such as active carbon, formaldehyde is removed through chemical reaction of formaldehyde and amine (ammonium), but the formaldehyde removal mode has short service life and can not be regenerated, when the indoor formaldehyde concentration is high, the service life of a chemical adsorption type filter screen is less than one month, but the period of indoor formaldehyde release is long (usually 3-15 years), so that the filter screen needs to be continuously replaced, not only the cost is high, but also the waste filter screen can cause environmental pollution, and therefore, the problem of how to improve the service life and the reproducibility of the filter screen is urgently needed to be solved. For this reason, a filter net added with a normal temperature catalyst is used to remove formaldehyde for a long time, but formate is generated in the process of removing formaldehyde for a long time, or some dust covers the surface of the catalyst in the use process, which can cause the active center of the catalyst to be deactivated and lose the effect of removing formaldehyde.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the filter screen of the normal-temperature catalyst in the prior art is easy to lose activity and the aldehyde removal effect is influenced, thereby providing the air purifier with long service life and good aldehyde removal effect.
In order to solve the above technical problems, the present invention provides an air purifier, comprising:
a housing;
the filter screen assembly and the driving assembly are both arranged in the shell, and the driving assembly is used for enabling air to be purified to enter the shell and sequentially provide power through the filter screen assembly;
the washing subassembly, the orientation the filter screen subassembly sets up, including be used for right the filter screen subassembly applys the structure of sweeping the power and be used for the drive sweep the structure edge the power structure that the covering surface of filter screen subassembly removed, the single area of sweeping the structure is less than the area of the covering surface of filter screen subassembly.
Air purifier, the filter screen subassembly includes the filtration that sets gradually along the flow direction of treating air-purifying and the formaldehyde filter screen of load normal atmospheric temperature catalyst, wash the subassembly and locate filtration with inside the casing between the formaldehyde filter screen, and the orientation the formaldehyde filter screen sets up.
Air purifier, filtration include along treating primary filter screen and the high efficiency filter screen that sets gradually of air-purifying's flow direction, the washing subassembly is located the high efficiency filter screen with between the formaldehyde filter screen.
Air purifier, the power structure include the edge a pair of guide rail of the edge parallel arrangement of the cover surface of formaldehyde filter screen with locate driving piece on the guide rail, the both ends that sweep the structure slide respectively and locate a pair ofly on the guide rail, and with the driving piece is connected, with it is progressively right under the effect of driving piece the formaldehyde filter screen sweeps.
The air purifier, sweep the structure including the perpendicular to a plurality of shower nozzles that the guide rail set up and with the compressed air bottle that the shower nozzle is connected, a plurality of the shower nozzle is located side by side with a pair of on the bracing piece of guide rail sliding connection.
The air purifier, still be provided with heating structure on the shower nozzle.
The air purifier, the compressed air bottle is located on the shell inner wall.
Air purifier, still including locating the filter screen subassembly with the collection subassembly between the drive assembly, collect the subassembly with the casing is dismantled and is connected.
The air purifier, the collection subassembly be the tray, be equipped with on the casing and allow the opening that the tray was taken out.
The technical scheme of the invention has the following advantages:
1. according to the air purifier provided by the invention, air to be purified enters the shell under the action of the driving assembly and is sequentially purified by the filter screen assembly, after the air purifier is used for a period of time, the purifying effect of the filter screen assembly can be influenced by the coverage of dust and reactants on the filter screen assembly, and at the moment, the power structure is only started to drive the blowing structure to move along the coverage surface of the filter screen assembly so as to blow the air. Because the area that the single of sweeping the structure sweeps the area and is less than the area of the cover surface of filter screen subassembly, consequently when air purifier normally worked, the setting that sweeps the structure can not influence treating that air-purifying passes through the filter screen subassembly smoothly, and can progressively cover whole filter screen subassembly under the effect of power structure again when needs sweep the filter screen subassembly, guarantees to sweep the effect, and then the life of extension filter screen subassembly improves purifying effect.
2. According to the air purifier provided by the invention, the washing component is arranged in the shell between the high-efficiency filter screen and the formaldehyde filter screen and faces the formaldehyde filter screen, so that formate and dust covered on the formaldehyde filter screen can be effectively cleaned in time, the activity of a catalyst is ensured, the service life of the formaldehyde filter screen is prolonged, and the cost is reduced.
3. According to the air purifier provided by the invention, the sweeping structure and the pair of guide rails are arranged in a sliding manner, so that the service life of the formaldehyde filter screen is prolonged on the premise that the filtering efficiency of the filter assembly on air to be purified is not influenced as much as possible.
4. According to the air purifier provided by the invention, the arrangement of the heating structure on the spray head further improves the regeneration rate of the normal-temperature catalyst on the formaldehyde filter screen, and the purification efficiency is improved.
5. According to the air purifier provided by the invention, the arrangement of the collecting component enables the covers such as the removed dust and the like to be collected and treated in a centralized manner, and the influence on the purging effect caused by the fact that the covers are covered on the formaldehyde filter screen again is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of an air purifier provided by the present invention;
fig. 2 is a schematic view of the flushing assembly of fig. 1.
Description of reference numerals:
1. a housing; 2. a drive assembly; 3. a purging structure; 4. a power structure; 5. a primary filter screen; 6. a high-efficiency filter screen; 7. a formaldehyde filter screen; 8. a guide rail; 9. a cylinder; 10. a spray head; 11. a compressed air tank; 12. a support bar; 13. and (4) collecting the components.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
One embodiment of the air cleaner, as shown in fig. 1 and 2, includes a housing 1 and a screen assembly, a driving assembly 2 and a washing assembly installed in the housing 1. An inlet of air to be purified and an outlet of fresh air are formed in the shell 1, and the driving assembly 2 is a fan arranged close to the outlet. Treat that air-purifying is in under the power that drive assembly 2 provided get into inside casing 1, and pass through in proper order the filter screen subassembly filters, and the fresh air after the filtration is through export discharge casing 1. Wash the subassembly orientation the filter screen subassembly sets up, including be used for right the filter screen subassembly applys sweeping structure 3 and being used for the drive of sweeping the power sweep structure 3 edge the power structure 4 that the covering surface of filter screen subassembly removed, the single area that sweeps structure 3 is less than the area of the covering surface of filter screen subassembly sweeps structure 3 promptly and can only sweep the partial covering surface of filter screen subassembly when unmovable, and then can follow the covering surface gradual movement of filter screen subassembly under the drive of power structure 4 to the assurance effect of sweeping.
In order to guarantee the filter effect, the filter screen subassembly includes the primary filter screen 5 and the high efficiency filter screen 6 as filtration that set gradually along the flow direction of treating air-purifying and the formaldehyde filter screen 7 of load normal atmospheric temperature catalyst, and primary filter screen 5 is arranged in filtering the large granule thing and the hair of treating in the air-purifying, and high efficiency filter screen 6 is used for filtering particulate matter and bacterium, and formaldehyde filter screen 7 then is used for the high efficiency to get rid of formaldehyde. The formaldehyde filter screen adopts a filter screen loaded with a normal-temperature catalyst, the filter screen can be in a honeycomb type, a carbon cloth type or other loading modes, the normal-temperature catalyst is metal or metal oxide, such as Pt, MnOx, CoOx and the like, and the metal or metal oxide is loaded on activated carbon and can perform catalytic oxidation reaction with formaldehyde at room temperature to catalytically oxidize the formaldehyde into carbon dioxide and water. However, after the air purifier is used for a period of time, the metal catalytic active centers on the formaldehyde filter screen 7 are covered by dust and an intermediate, namely formate, generated by the reaction of the metal and formaldehyde, so that the activity of the catalyst is reduced and even the catalyst is ineffective. At this moment, the formaldehyde filter screen is started and arranged in the shell 1 between the high-efficiency filter screen 6 and the formaldehyde filter screen 7 and faces the formaldehyde filter screen 7, and the washing component washes dust and formate on the formaldehyde filter screen 7 so as to regenerate the formaldehyde filter screen and continue to play the function of removing formaldehyde.
In order not to influence the air after high-efficient filter screen 6 filters smoothly gets into formaldehyde filter screen 7, guarantee again simultaneously to fully washing of formaldehyde filter screen 7, power structure 4 includes the edge a pair of guide rail 8 of the horizontal edge parallel arrangement of formaldehyde filter screen 7's coverage with locate the cylinder 9 as the driving piece on the guide rail 8, it is a pair of to slide respectively to sweep the both ends of structure 3 and locate on the guide rail 8, and be connected with the piston rod of cylinder 9, and piston rod concertina movement drives and sweeps structure 3 along guide rail 8 reciprocating motion, thereby it is progressively right formaldehyde filter screen 7 sweeps.
Specifically, the purging structure 3 includes a plurality of nozzles 10 perpendicular to the guide rails 8 and a compressed air bottle 11 connected to the nozzles 10, the plurality of nozzles 10 are arranged side by side on a support rod 12 slidably connected to the pair of guide rails 8, sliders matched with the guide rails 8 are formed at two ends of the support rod 12, the compressed air bottle 11 is arranged on the inner wall of the housing 1, and an outlet of the compressed air bottle 11 is simultaneously connected to the plurality of nozzles 10 through a connection hose to provide high-pressure air for purging to the nozzles 10.
In order to improve the regeneration efficiency of the catalyst, the spray head 10 is also provided with a heating structure, so that the spray head 10 can provide gas with the pressure of 0.3-0.4 MPa and the temperature of 55-65 ℃ to sweep dust and formate on the formaldehyde filter screen 7, the effect is better, and the regeneration of the catalyst is promoted.
In order to conveniently and intensively treat the swept dust and formate, a tray serving as a collecting assembly 13 is further arranged between the filter screen assembly and the driving assembly 2, the collecting assembly 13 is detachably connected with the shell 1, and when the tray needs to be cleaned, an opening in the shell 1 is opened, and the tray is taken out.
Treat that air-purifying gets into under the power that the fan provided inside casing 1 to filter through primary filter 5, high-efficient filter screen 6 and formaldehyde filter screen 7 in proper order, with big granule thing and hair, particulate matter and bacterium and the formaldehyde in filtering in proper order and treating the air-controlled of purifying, the fresh air after the filtration is through export discharge casing 1. After air purifier used a period, start the compressed air bottle 11 and the heating structure of locating between high-efficient filter screen 6 and formaldehyde filter screen 7, provide the high-pressure high-temperature gas that sweeps for locating a plurality of shower nozzles 10 on bracing piece 12 to dust and formate on the formaldehyde filter screen 7 sweep. In the purging process, the cylinder 9 moves in a telescopic mode and drives the support rod 12 to slide in a reciprocating mode along the guide rail 8 through the sliding block, and therefore the formaldehyde filter screen 7 is purged step by step. The swept dust and formate are collected by a tray arranged between the filter screen assembly and the drive assembly 2, and when the tray needs to be cleaned, the opening in the shell 1 is opened, and the tray is taken out.
The filter material penetration time of the formaldehyde filter screen after and before the formaldehyde filter screen is washed by the washing component is tested, and the result is shown in table 1.
The air purifiers before and after washing were subjected to the overall formaldehyde CADR test at the same time, and the results are shown in table 2.
As can be seen from the two tables, the air purifier provided by the invention has obviously higher purification efficiency and better formaldehyde removal effect.
As an alternative embodiment, the power structure 4 may also be a screw rod and a motor connected with the screw rod, two ends of the purging structure 3 are connected with the screw rod through a screw rod nut, and move along the axial direction of the screw rod under the action of the motor to perform all-directional purging on the formaldehyde filter screen 7.
As an alternative embodiment, the compressed air tank 11 may also be mounted at the end of the guide rail 8, as long as the sliding of the purging structure 3 along the guide rail 8 is not affected.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (9)
1. An air purifier, comprising:
a housing (1);
the filter screen assembly and the driving assembly (2) are both arranged in the shell (1), and the driving assembly supplies power to the air to be purified to enter the shell (1) and sequentially pass through the filter screen assembly;
the washing assembly faces the filter screen assembly is arranged and comprises a sweeping structure (3) used for applying sweeping force to the filter screen assembly and a power structure (4) used for driving the sweeping structure (3) to move along the covering surface of the filter screen assembly, and the single sweeping area of the sweeping structure (3) is smaller than the area of the covering surface of the filter screen assembly.
2. The air purifier according to claim 1, wherein the filter screen assembly comprises a filter structure and a formaldehyde filter screen (7) loaded with a normal temperature catalyst, which are sequentially arranged along the flowing direction of the air to be purified, and the flushing assembly is arranged inside the shell (1) between the filter structure and the formaldehyde filter screen (7) and faces the formaldehyde filter screen (7).
3. The air purifier according to claim 2, wherein the filtering structure comprises a primary filter screen (5) and a high-efficiency filter screen (6) which are sequentially arranged along the flowing direction of the air to be purified, and the flushing component is arranged between the high-efficiency filter screen (6) and the formaldehyde filter screen (7).
4. The air purifier as claimed in claim 3, wherein the power structure (4) comprises a pair of guide rails (8) arranged in parallel along the edge of the covering surface of the formaldehyde filter screen (7) and a driving member arranged on the guide rails (8), and two ends of the purging structure (3) are respectively arranged on the pair of guide rails (8) in a sliding manner and connected with the driving member so as to purge the formaldehyde filter screen (7) gradually under the action of the driving member.
5. The air cleaner according to claim 4, wherein the purge structure (3) comprises a plurality of spray heads (10) arranged perpendicular to the guide rails (8) and a compressed air tank (11) connected to the spray heads (10), the plurality of spray heads (10) being arranged side by side on a support bar (12) slidably connected to a pair of the guide rails (8).
6. The air purifier according to claim 5, wherein the spray head (10) is further provided with a heating structure.
7. The air cleaner according to claim 5, characterized in that the compressed air bottle (11) is provided on an inner wall of the housing (1).
8. The air cleaner according to any one of claims 1-7, further comprising a collection assembly (13) disposed between the screen assembly and the drive assembly, the collection assembly (13) being removably coupled to the housing (1).
9. The air cleaner according to claim 8, wherein the collection assembly (13) is a tray, and the housing (1) is provided with an opening allowing the tray to be taken out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010271518.4A CN111330385A (en) | 2020-04-08 | 2020-04-08 | Air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010271518.4A CN111330385A (en) | 2020-04-08 | 2020-04-08 | Air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111330385A true CN111330385A (en) | 2020-06-26 |
Family
ID=71176974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010271518.4A Pending CN111330385A (en) | 2020-04-08 | 2020-04-08 | Air purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111330385A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113577940A (en) * | 2021-08-21 | 2021-11-02 | 珠海格力电器股份有限公司 | Filling type filter screen, air purifier and regeneration method of filter material |
-
2020
- 2020-04-08 CN CN202010271518.4A patent/CN111330385A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113577940A (en) * | 2021-08-21 | 2021-11-02 | 珠海格力电器股份有限公司 | Filling type filter screen, air purifier and regeneration method of filter material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3108649B2 (en) | Vehicle exhaust gas purification device | |
| CN111135660B (en) | Industrial flue gas desulfurization and denitrification treatment method | |
| CN111330385A (en) | Air purifier | |
| CN111151133A (en) | Air purifying device | |
| CN211936070U (en) | Air purifier | |
| CN214075963U (en) | Filter SCR flue gas denitrification facility | |
| CN211585620U (en) | Industrial waste gas treatment equipment | |
| CN111663987A (en) | Automobile exhaust catalytic purification device | |
| JP3488632B2 (en) | Bag filter type dust collector and method for removing harmful gas using the dust collector | |
| CN217431374U (en) | Multistage purification treatment system of industrial waste gas | |
| CN212006039U (en) | Air purifier | |
| CN214437276U (en) | Novel industrial production is with waste gas treatment environmental protection equipment | |
| CN112755705B (en) | Desulfurization and denitrification treatment method for flue gas of steel smelting boiler | |
| CN209997344U (en) | waste gas treatment system | |
| CN112246435A (en) | Self-cleaning electrostatic treatment system for air purification | |
| CN112933831A (en) | Equipment capable of collecting waste gas and having cleaning function | |
| CN216114590U (en) | Air purifier convenient to clearance | |
| CN218011969U (en) | Waste gas purification absorbs treatment facility | |
| CN211098049U (en) | Waste gas recycling device convenient to clean | |
| CN218608684U (en) | Waste gas purification environmental protection equipment | |
| CN219722376U (en) | Industrial waste gas dust recovery treatment tank | |
| CN217511542U (en) | Desulfurization and denitrification device for cleaning spray tower | |
| CN217173632U (en) | Coal gas purification and dust removal control device | |
| CN217247554U (en) | Be used for chemical waste gas to filter safe processing apparatus | |
| CN215996163U (en) | Industrial waste gas treatment device assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |