CN112178818A - Remove formaldehyde for a long time and use high-efficient clarifier - Google Patents
Remove formaldehyde for a long time and use high-efficient clarifier Download PDFInfo
- Publication number
- CN112178818A CN112178818A CN202011123703.5A CN202011123703A CN112178818A CN 112178818 A CN112178818 A CN 112178818A CN 202011123703 A CN202011123703 A CN 202011123703A CN 112178818 A CN112178818 A CN 112178818A
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- hollow cylinder
- shell
- servo motor
- fixedly connected
- fixed plate
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000011941 photocatalyst Substances 0.000 claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 28
- 239000000741 silica gel Substances 0.000 claims description 28
- 229910002027 silica gel Inorganic materials 0.000 claims description 28
- 239000002245 particle Substances 0.000 claims description 24
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 12
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 12
- 241001330002 Bambuseae Species 0.000 claims description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 12
- 239000011425 bamboo Substances 0.000 claims description 12
- 210000005056 cell body Anatomy 0.000 claims description 6
- 244000309464 bull Species 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 4
- 230000007774 longterm Effects 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000746 purification Methods 0.000 abstract description 5
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 239000000428 dust Substances 0.000 description 14
- 229910001868 water Inorganic materials 0.000 description 12
- 239000000758 substrate Substances 0.000 description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 238000001914 filtration Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000007146 photocatalysis Methods 0.000 description 3
- 230000001699 photocatalysis Effects 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- -1 fixed plate Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- 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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a high-efficiency purifier for removing formaldehyde for a long time, which comprises a shell, wherein an air inlet is formed in the lower side of the shell, an air outlet is formed in the upper side of the shell, a hollow cylinder, a fixed plate, an air extractor and a filter group are sequentially arranged in the shell from top to bottom, a plurality of ultraviolet lamps are arranged between the fixed plate and the air extractor, a base material is fixedly connected to the lower surface of the fixed plate, the base material and the ultraviolet lamps are positioned on the same horizontal plane, seal sleeves are symmetrically arranged on the inner side wall of the shell, two ends of the hollow cylinder are respectively and rotatably connected with the two seal sleeves, a servo motor is arranged in one of the seal sleeves, an output shaft of the servo motor is fixedly connected with the side wall of the hollow cylinder adjacent to the hollow cylinder, and a receiver electrically. The invention can effectively improve the efficiency of photocatalyst in decomposing formaldehyde, thereby obtaining better purification effect with lower cost.
Description
Technical Field
The invention relates to the technical field of environmental protection, in particular to a high-efficiency purifier for removing formaldehyde for a long time.
Background
The photocatalyst material has good photocatalysis performance, can effectively degrade pollutants, has direct relation between the size of the photocatalysis performance and the intensity of light, and obviously improves the photocatalysis performance of the photocatalyst material when the light intensity is increased in a proper amount, so that the expected purification effect can be achieved by providing continuous illumination when the photocatalyst material is used for cleaning the pollutants.
The existing novel air purifier also begins to purify pollutant gas in the air by utilizing the unique characteristics of the photocatalyst material, particularly when the formaldehyde gas is purified, the photocatalyst material can decompose formaldehyde into water and carbon dioxide, the product of the catalytic oxidation reaction is very clean and can not generate secondary pollution, but the reaction product can inhibit the reaction when accumulated more, so that the moisture around the photocatalyst material needs to be discharged in time, the evaporation efficiency of accelerating water by only depending on gas flow is too low, the formaldehyde purification efficiency can be lowered, and therefore, the high-efficiency purifier for removing formaldehyde for a long time is provided.
Disclosure of Invention
The invention aims to solve the problem that the formaldehyde purification efficiency is low due to the fact that reaction products are accumulated to inhibit the progress of reaction when the photocatalyst is used for catalyzing the decomposition of formaldehyde in the prior art, and provides a long-term high-efficiency purifier for removing formaldehyde.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a remove high-efficient clarifier for formaldehyde for a long time, includes the casing, the air intake has been seted up to the downside of casing, the air outlet has been seted up to the upside of casing, from the top down is equipped with hollow section of thick bamboo, fixed plate, air extractor and filter group in proper order in the casing, install a plurality of ultraviolet lamps between fixed plate and the air extractor, the lower fixed surface of fixed plate is connected with the substrate, and substrate and a plurality of ultraviolet lamps are located same horizontal plane, the seal cover is installed to the symmetry on the inside wall of casing, and the both ends of hollow section of thick bamboo rotate with two seal covers respectively and link to each other, one of them be equipped with servo motor in the seal cover, servo motor's output shaft and the adjacent lateral wall fixed connection of hollow section of thick bamboo, still.
Preferably, the hollow cylinder is made of transparent materials, the wall of the hollow cylinder is hollow, silica gel moisture absorption particles are filled in the hollow cylinder, and the base material is coated with the photocatalyst catalysis layer;
install the controller in the casing, and the card of controller outside is equipped with the dust cover, install the display screen of being connected with the controller electricity on the lateral wall of casing, air outlet and air inlet department all are equipped with coarse filtration net.
Preferably, the cell body has been seted up in the lateral wall of casing, the reel is installed to the cell body internal rotation, and winds on the reel and be equipped with the stay cord, servo motor's one end fixedly connected with bull stick is kept away from to hollow section of thick bamboo, the one end that hollow section of thick bamboo was kept away from to the bull stick runs through the cell body and through accelerating gear and reel fixed connection, the fixed slide bar that is provided with in below of receiver, it is provided with the light brush to slide on the slide bar, the one end and the tensile fixed linking to each other of light brush, fixedly connected with elastic component between the other end of light brush and the.
The invention has the beneficial effects that:
1. the filter group is formed by compounding a plurality of layers of filter screens, such as an active carbon screen layer, a sterilization screen layer, an adsorption screen layer and the like, can play an effective filtering role, and the outer side of the controller is also provided with a dust cover in a clamping manner, so that dust can be prevented from entering the controller, and a controller mainboard is short-circuited.
2. The water that formaldehyde decomposition produced can constantly evaporate under the high-speed air current effect, and the steam after the evaporation is absorbed by a silica gel moisture absorption granule of hollow section of thick bamboo intussuseption when hollow section of thick bamboo department to keep dry around the messenger's substrate, it is similar with the chemical reaction balance, when the concentration of resultant diminishes, be favorable to the acceleration of reaction rate, so guarantee that dry efficiency that can effectively improve photocatalyst decomposition formaldehyde around the substrate, thereby obtain better purifying effect with lower cost.
3. Along with the increase of the moisture that silica gel moisture absorption granule absorbed, its colour is changed into red from blue, and after silica gel moisture absorption granule colour changed, the intensity of the light that the receiver received also can change thereupon, and after the variation reached the feedback value, the receiver can be to controller department transmission feedback signal, and servo motor was opened thereupon to the controller to the hollow section of thick bamboo of drive rotates, makes the silica gel moisture absorption granule in all directions can both be by make full use of.
4. Because the silica gel moisture absorption particle contact with the below earlier in the steam rise process, so when silica gel moisture absorption particle hydroscopicity of below obviously descends, the silica gel moisture absorption particle that is located the top still can have good hydroscopicity, so make the silica gel moisture absorption particle that is located the top rotate to the below through servo motor, can effectively prolong silica gel moisture absorption particle change cycle, and can avoid the drop of water to condense at hollow cylinder lower surface, it is great to lead to substrate department humidity, in addition, the hydroscopicity of silica gel moisture absorption particle is physical property, so it can reuse after drying silica gel moisture absorption particle, practice thrift the consumptive material.
5. Through setting up devices such as reel, stay cord, elastic component, slide bar, light brush, when a hollow cylinder rotates once, utilize structure such as gear with higher speed to make the reel rotate the several weeks to make stay cord and elastic component drive light brush in turn and move the other end of receiver and sweep away the outside ash floating of receiver from the one end of receiver, avoid the dust to influence the intensity of the light that the receiver was received.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment 1 of a high-efficiency purifier for removing formaldehyde for a long time according to the present invention;
FIG. 2 is a schematic structural view of an embodiment 2 of the high-efficiency purifier for removing formaldehyde for a long time according to the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
fig. 4 is an enlarged view of fig. 2 at B.
In the figure: the device comprises a shell 1, a controller 2, an air pump 3, a base material 4, a sealing sleeve 5, an air outlet 6, a hollow cylinder 7, a fixing plate 8, an ultraviolet lamp 9, a filtering group 10, an air inlet 11, an elastic part 12, a dust cover 13, a display screen 14, a receiver 15, a sliding rod 16, a groove 17, a winding wheel 18, a pull rope 19 and a light brush 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1, a high-efficiency purifier for removing formaldehyde for a long time, comprising a casing 1, an air inlet 11 is provided at the lower side of the casing 1, an air outlet 6 is provided at the upper side of the casing 1, because the density of formaldehyde is large, the purifier exhausts air from the lower side and exhausts air from the upper side, a hollow cylinder 7, a fixed plate 8, an air extractor 3 and a filter group 10 are sequentially provided in the casing 1 from the top to the bottom, the filter group 10 is formed by compounding multiple layers of filter screens, such as an activated carbon mesh layer, a sterilization mesh layer, an adsorption mesh layer and the like, a plurality of ultraviolet lamps 9 are installed between the fixed plate 8 and the air extractor 3, a substrate 4 is fixedly connected to the lower surface of the fixed plate 8, the substrate 4 and the plurality of ultraviolet lamps 9 are located on the same horizontal plane, sealing sleeves 5 are symmetrically installed on the inner side wall of the casing 1, servo motor's output shaft and the adjacent one side lateral wall fixed connection of hollow section of thick bamboo 7, under the sealed effect of seal cover 5, gaseous can not bring the dust into servo motor inside when flowing through from hollow section of thick bamboo 7, thereby reduce servo motor the possibility of breaking down, servo motor's life is prolonged, still install receiver 15 with servo motor electricity connection on the interior roof of casing 1, receiver 15 converts the light signal who receives into the signal of telecommunication, and automatic with signal of telecommunication transmission to controller 2 departments.
In the embodiment, the hollow cylinder 7 is made of transparent material, and the wall of the hollow cylinder 7 is hollow, so that light can penetrate through the hollow cylinder 7, and gas flowing upwards through the hollow cylinder 7 is not influenced, silica gel moisture-absorbing particles are filled in the hollow cylinder 7, the silica gel moisture-absorbing particles are blue in a dry state, along with the increase of absorbed water vapor, the color of the silica gel moisture-absorbing particles changes from blue to red, the base material 4 is coated with the photocatalyst layer, and the photocatalyst layer can show strong catalytic oxidation capability under the condition of ultraviolet lamp illumination, so that formaldehyde is efficiently decomposed into pollution-free water and carbon dioxide;
install controller 2 in casing 1, and 2 outside cards of controller are equipped with dust cover 13 to in dust entering controller 2, lead to 2 mainboard short circuits of controller, install the display screen 14 of being connected with 2 electricity of controller on casing 1's the lateral wall, make things convenient for people to control, air outlet 6 all is equipped with coarse filtration net with air intake 11 department, coarse filtration net plays the safety protection effect on the one hand, on the other hand can intercept great material outside casing 1.
The present embodiment can illustrate the functional principle thereof by the following operation modes: after the purifier is started, the air extractor 3 starts to work, air enters the shell 1 from the air inlet 11 and is exhausted from the air outlet 6 after a series of filtering processes, most of matters such as dust, fluff and the like in the air can be filtered when passing through the filtering group 10, and formaldehyde gas in the air still rises along the air channel;
when an ultraviolet lamp is turned on, a photocatalyst catalytic layer on a substrate 4 can show strong catalytic oxidation capacity, so that formaldehyde is efficiently decomposed into pollution-free water and carbon dioxide, carbon dioxide gas is discharged out of the shell 1 along with air, water generated by formaldehyde decomposition can be continuously evaporated under the action of high-speed airflow, and evaporated water vapor is absorbed by silica gel moisture-absorbing particles filled in the hollow cylinder 7 when passing through the hollow cylinder 7, so that the periphery of the substrate 4 is kept dry, which is similar to chemical reaction balance, and when the concentration of a product is reduced, the reaction speed is favorably accelerated, so that the efficiency of photocatalyst for formaldehyde decomposition can be effectively improved by ensuring the periphery of the substrate 4 to be dry, and a better purification effect can be obtained at a lower cost;
because the hollow cylinder 7 is made of transparent material and is hollow, light emitted by the ultraviolet lamp 9 can enter the silica gel moisture absorption particles through the hollow cylinder 7, the receiver 15 positioned on the inner top wall of the shell 1 can also receive corresponding light intensity, the color of the light is changed from blue to red along with the increase of water absorbed by the silica gel moisture absorption particles, the essence of the light is a wave, certain energy can be lost when the wave passes through an object, and the absorption rates of different objects to the wave are different, so that the intensity of the light received by the receiver 15 can be changed along with the change of the color of the silica gel moisture absorption particles, when the change reaches a feedback value, the receiver 15 can transmit a feedback signal to the controller 2, and the controller 2 starts a servo motor along with the change of the color, so that the hollow cylinder 7 is turned for 180 degrees;
because the water vapor firstly contacts with the silica gel moisture absorption particles below in the rising process of the water vapor, when the water absorption of the silica gel moisture absorption particles below is obviously reduced, the silica gel moisture absorption particles above still have good water absorption, so that the silica gel moisture absorption particles above rotate to the lower part through the servo motor, the replacement period of the silica gel moisture absorption particles can be effectively prolonged, and the phenomenon that water drops are condensed on the lower surface of the hollow cylinder 7 to cause higher humidity at the position of the base material 4 can be avoided;
when the controller 2 receives the feedback signal again, the fact that the silica gel moisture absorption particles need to be replaced is indicated, so that the display screen 14 can display corresponding marks to remind a user, and the silica gel moisture absorption particles can be reused after being dried because the water absorption of the silica gel moisture absorption particles is a physical characteristic, and consumables are saved;
it should be noted that, the purifier generally does not move when in use, so it is only necessary to detect the intensity of the ambient light received by the receiver 15 when in initial use, and the influence of the change of the ambient light on the light intensity received by the receiver 15 is avoided.
Example 2
Referring to fig. 2 to 4, the present embodiment is different from embodiment 1 in that: the side wall of the shell 1 is internally provided with a groove body 17, a reel 18 is installed in the groove body 17 in a rotating mode, a pull rope 19 is wound on the reel 18, one end of the hollow cylinder 7 far away from the servo motor is fixedly connected with a rotating rod, one end of the rotating rod far away from the hollow cylinder 7 runs through the groove body 17 and is fixedly connected with the reel 18 through an accelerating gear, a sliding rod 16 is fixedly arranged below the receiver 15, a light brush 20 is arranged on the sliding rod 16 in a sliding mode, one end of the light brush 20 is fixedly connected with the pull rope 19, and an elastic part 12 is fixedly connected between the other end of the light brush 20 and the.
The present embodiment can illustrate the functional principle thereof by the following operation modes: because the filter assembly 10 cannot completely filter out dust in air, after long-term use, the receiver 15 is covered with a layer of thin dust, when the hollow cylinder 7 rotates 180 degrees, the reel 18 can rotate for several weeks by using a structure such as an accelerating gear, so that the pull rope 19 drives the light brush 20 to move from one end of the receiver 15 to the other end of the receiver 15 and sweep away floating dust outside the receiver 15, thereby preventing dust from affecting the intensity of light received by the receiver 15, and the servo motor can reversely rotate 180 degrees when driving the hollow cylinder 7 next time, and similarly, under the action of the elastic member 12, the light brush 20 can move along the sliding rod 16 to the other side of the receiver 15, and the operation is repeated, so that the receiving end of the receiver 15 is not covered by the floating dust.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. The high-efficiency purifier for removing formaldehyde for a long time comprises a shell (1) and is characterized in that an air inlet (11) is formed in the lower side of the shell (1), an air outlet (6) is formed in the upper side of the shell (1), a hollow cylinder (7), a fixed plate (8), an air pump (3) and a filter group (10) are sequentially arranged in the shell (1) from top to bottom, a plurality of ultraviolet lamps (9) are mounted between the fixed plate (8) and the air pump (3), a base material (4) is fixedly connected to the lower surface of the fixed plate (8), the base material (4) and the ultraviolet lamps (9) are located on the same horizontal plane, seal sleeves (5) are symmetrically mounted on the inner side wall of the shell (1), two ends of the hollow cylinder (7) are rotatably connected with the two seal sleeves (5) respectively, and a servo motor is arranged in one of the seal sleeves (5, the output shaft of the servo motor is fixedly connected with the side wall of one side adjacent to the hollow cylinder (7), and a receiver (15) electrically connected with the servo motor is further installed on the inner top wall of the shell (1).
2. The high-efficiency purifier for removing formaldehyde for a long time according to claim 1, wherein the hollow cylinder (7) is made of transparent material, the wall of the hollow cylinder (7) is hollow, silica gel moisture-absorbing particles are filled in the hollow cylinder (7), and the base material (4) is coated with a photocatalyst layer.
3. The long-term remove high-efficient clarifier of formaldehyde for use of claim 1, characterized in that, a cell body (17) has been seted up in the lateral wall of casing (1), spinning reel (18) are installed to cell body (17) internal rotation, and wind on spinning reel (18) and be equipped with stay cord (19), servo motor's one end fixedly connected with bull stick is kept away from to hollow section of thick bamboo (7), the one end that hollow section of thick bamboo (7) was kept away from to the bull stick runs through cell body (17) and through accelerating gear and spinning reel (18) fixed connection, the fixed slide bar (16) that is provided with in below of receiver (15), it is provided with light brush (20) to slide on slide bar (16), the one end and the stay cord (19) of light brush (20) are fixed continuous, fixedly connected with elastic component (12) between the other end of light brush (20) and the inside wall of casing (1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011123703.5A CN112178818B (en) | 2020-10-20 | 2020-10-20 | Remove formaldehyde for a long time and use high-efficient clarifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011123703.5A CN112178818B (en) | 2020-10-20 | 2020-10-20 | Remove formaldehyde for a long time and use high-efficient clarifier |
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| Publication Number | Publication Date |
|---|---|
| CN112178818A true CN112178818A (en) | 2021-01-05 |
| CN112178818B CN112178818B (en) | 2021-11-30 |
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