Nothing Special   »   [go: up one dir, main page]

CN208952276U - A kind of Household Air Purifier - Google Patents

A kind of Household Air Purifier Download PDF

Info

Publication number
CN208952276U
CN208952276U CN201821493576.6U CN201821493576U CN208952276U CN 208952276 U CN208952276 U CN 208952276U CN 201821493576 U CN201821493576 U CN 201821493576U CN 208952276 U CN208952276 U CN 208952276U
Authority
CN
China
Prior art keywords
air
filter screen
catheter
air purifier
hothouse
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.)
Expired - Fee Related
Application number
CN201821493576.6U
Other languages
Chinese (zh)
Inventor
蔡俊
葛先雷
束仁义
窦飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huainan Normal University
Original Assignee
Huainan Normal University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huainan Normal University filed Critical Huainan Normal University
Priority to CN201821493576.6U priority Critical patent/CN208952276U/en
Application granted granted Critical
Publication of CN208952276U publication Critical patent/CN208952276U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The utility model relates to a kind of Household Air Purifier, the air inlet of air compartment is equipped with the first filter screen, and air compartment is communicated with induced duct;The early effect decontamination chamber bottom is loaded with scavenging solution, and submergence has immersible pump in scavenging solution;Catheter is located at the lower section of induced duct, catheter upper and lower ends opening;Spray tube is located at the top of catheter, and spray tube is connected to by pipeline with the water outlet of immersible pump;It is connected between double purification room and The early effect decontamination chamber by the first ventilation opening, filter device is equipped in double purification room;It is connected between hothouse and double purification room by the second ventilation opening, drying device is equipped in hothouse, hothouse has the first air outlet.The utility model realizes the step filtering purifying to air, it is purified steps strong, the bulky grain and little particle impurity in air can be effectively removed, and the harmful substances such as the formaldehyde in air can be adsorbed, the defect of granule foreign can only be removed by overcoming traditional air purifier, and clean-up effect is greatly improved.

Description

A kind of Household Air Purifier
Technical field
The utility model relates to technical field of air purification, more specifically to a kind of Household Air Purifier.
Background technique
Air is one of an important factor for influencing human health as the essential requirement of human lives, but by In the mankind assemble life and the environmental pollution of industrial production bring, air quality worse and worse, when human body breathes indoors everyone For respiratory capacity up to 18 to 20 beats/min, air quality should not be underestimated for people's health.Indoor environmental pollution has become influence One of killer of human health, underproof room air will lead to human body discomfort, very healthy, such as headache, flu, skin Allergy etc..Due to we largely hold in interior, good indoor air quality be ensure health it is most important because Element.Air purifier traditional at present, consumptive material is costly, has a single function, and air purification effect is not satisfactory.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of Household Air Purifier.
The utility model proposes a kind of Household Air Purifier, including shell, the housing cavity pass through multiple partitions It is divided into air compartment, The early effect decontamination chamber, double purification room and hothouse;Be equipped with air-introduced machine in the air compartment, the air compartment have into The air inlet in air port, the air compartment is equipped with the first filter screen, and the air compartment is communicated with induced duct, and the air inducing tube portion is located at In the The early effect decontamination chamber;The The early effect decontamination chamber bottom is loaded with scavenging solution, and submergence has immersible pump in the scavenging solution;It is described Catheter, filter core and spray tube are additionally provided in The early effect decontamination chamber;The catheter is located at the lower section of the induced duct, the drain Pipe upper and lower ends opening, from top to bottom, the horizontal sectional area of the catheter gradually decreases, and the filter core is connected to the drain The bottom of pipe;The spray tube is located at the top of the catheter, and the spray tube passes through the water outlet of pipeline and the immersible pump Mouth connection;It is connected between the double purification room and The early effect decontamination chamber by the first ventilation opening, is equipped in the double purification room Filter device;It is connected to, is equipped in the hothouse dry by the second ventilation opening between the hothouse and the double purification room Dry device, the hothouse have the first air outlet.
Preferably, the air inlet of the air compartment is axially vertical direction, and the shell includes under being located at the air inlet just The support portion of side is provided with ash accepting box on the support portion.
Preferably, first filter screen is movably connected in the air compartment, and connecting plate is connected in the air compartment, described It is connected between connecting plate and first filter screen by tension spring;First filter screen lower surface is described against there is eccentric wheel Eccentric wheel is connected in shaft, and on the housing, the shaft deviates from one end of the eccentric wheel for the shaft rotation connection It is set with handwheel.
Preferably, multiple apopores are penetratingly offered on the side wall of the catheter, are also set in the double purification room There is the second filter screen, second filter screen is located at the lower section of the filter core, and the immersible pump is located at second filter screen Lower section.
Preferably, the filter screen of the filter device is cylindrical, and the filter device includes the biochemical cotton being successively set with Filter screen, activated carbon adsorption net and HEPA high efficiency particulate air have gap, first ventilation opening and institute between adjacent head net State the inner cavity connection of biochemical cotton filter screen.
Preferably, the drying device includes copper alloy net, desiccant and stainless (steel) wire, and the stainless (steel) wire is located at described The lower section of copper alloy net, the desiccant, which is filled out, to be located between the copper alloy net and stainless (steel) wire.
Preferably, the drying device further includes the drying tube being connected at the second ventilation opening, and the drying tube is located at institute The lower section of stainless (steel) wire is stated, the periphery of the drying tube is arranged with spiral electric heating tube.
Preferably, draining plate is additionally provided in the The early effect decontamination chamber, the draining plate is located at the filter core and the second filtering Between net, the draining plate and the second filter screen are obliquely installed, and the higher-end of second filter screen is close to the draining plate Lower end setting.
Preferably, the double purification room also has the second air outlet, in second air outlet and the second ventilation opening It is provided with control valve.
Preferably, the The early effect decontamination chamber is communicated with water inlet pipe and drainpipe, is respectively provided on the water inlet pipe and drainpipe There is control valve.
The utility model has following technical effect that
The utility model realizes the step filtering purifying to air, and what is purified is steps strong, can effectively remove air In bulky grain and little particle impurity, and the harmful substances such as the formaldehyde in air can be adsorbed, overcome traditional air purifier The defect of granule foreign can only be removed, clean-up effect is greatly improved.
First filter screen of air compartment is the air inlet for being horizontally set on air compartment, is isolated in except the first filter screen Large granular impurity can be fallen in ash accepting box by gravity, this design can reduce the impurity content being attached on the first filter screen, be helped In the filter effect for guaranteeing the first filter screen.
Shaft band movable eccentric wheel can also be made to rotate by rotating handwheel, eccentric wheel rotates so that first connect with spring Filter screen constantly moves up and down.The impurity that first filter screen can will adhere to during up and down motion on the first filter screen Shake off in ash accepting box, so as to the cleaning enhanced convenience of the first filter screen.
Filter device includes multiple filtration net, by multiple filtration net can by air little particle impurity and peculiar smell had Effect removal, the cylindric design of the filter screen of filter device can also improve the contact area of air and filter screen, so that filtering The filter screen of device is more abundant to the catharsis of air, and clean-up effect is more preferably.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the air purifier of the utility model.
Fig. 2 is the structural schematic diagram of filter core, induced duct and spray tube in Fig. 1.
Fig. 3 is the structural schematic diagram of part where the first filter screen in Fig. 1.
In figure: 1, cabinet;101, air compartment;102, The early effect decontamination chamber;103, double purification room;104, hothouse;2, first Filter screen;3, catheter;4, induced duct;5, spray tube;6, filter core;7, air-introduced machine;8, the second filter screen;9, shaft;10, hand Wheel;11, biochemical cotton filter screen;12, activated carbon adsorption net;13, HEPA high efficiency particulate air;14, drying tube;15, spiral electric heating Pipe;16, stainless (steel) wire;17, desiccant;18, copper alloy net;19, the first air outlet;20, spring;21, the second filter screen;22, Second air outlet;23, drainpipe;24, water inlet pipe;25, ash accepting box;26, eccentric wheel.
Specific embodiment
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
In conjunction with Fig. 1, the utility model proposes a kind of Household Air Purifier, including shell 1,1 inner cavity of shell be logical It crosses multiple partitions and is divided into air compartment 101, The early effect decontamination chamber 102, double purification room 103 and hothouse 104;In the air compartment 101 Equipped with air-introduced machine 7, the air compartment 101 has air inlet, and the air inlet of the air compartment 101 is equipped with the first filter screen 2, the wind Room 101 is communicated with induced duct 4, and 4 part of induced duct is located in the The early effect decontamination chamber 102;102 bottom of The early effect decontamination chamber Portion is loaded with scavenging solution, and submergence has immersible pump in the scavenging solution;Catheter 3, filter core are additionally provided in the The early effect decontamination chamber 102 6 and spray tube 5;The catheter 3 is located at the lower section of the induced duct 4, and 3 upper and lower ends of catheter are open, from top to bottom, The horizontal sectional area of the catheter 3 gradually decreases, and the filter core 6 is connected to the bottom of the catheter 3;The spray tube 5 Positioned at the top of the catheter 3, the spray tube 5 is connected to by pipeline with the water outlet of the immersible pump;The secondary purifying Change and be connected between room 103 and The early effect decontamination chamber 102 by the first ventilation opening, is equipped with filter device in the double purification room 103; It is connected to, is equipped in the hothouse 104 dry by the second ventilation opening between the hothouse 104 and the double purification room 103 Dry device, the hothouse 104 have the first air outlet 19.
A kind of Household Air Purifier that the present embodiment proposes, the course of work are as follows: the operating of air-introduced machine 7 generates negative pressure, empty Gas is flowed to air compartment 101, and the large granular impurity in air is isolated in except air compartment 101.It is empty after air enters air compartment 101 Gas can be flowed by induced duct 4 just imitates clarifier, flows up after being come out by the gas outlet of induced duct 4.In air to upstream In dynamic process, the scavenging solution of 102 bottom of The early effect decontamination chamber is sent into spray tube 5 by immersible pump, and passes through the water outlet on spray tube 5 Scavenging solution is sprayed downwardly out by mouth.It is come into full contact in the evolution liquid dropping process sprayed away with the air flowed up, only Change liquid band and walk the granule foreign in air, realizes the preliminary purification to air.The adsorbed granule foreign of liquid is cleaned by weight Power falls, and is isolated on filter core 6.Then continue to fall through the scavenging solution of filter core 6, and finally with 102 bottom of The early effect decontamination chamber The scavenging solution in portion pools together.
By the air of preliminary purification by flowing into double purification room 103 after the first ventilation opening, can be incited somebody to action by filter device Little particle impurity and peculiar smell in air remove away.Second ventilation opening is then passed through by the air of double purification and flows into hothouse 104, air can be dried by drying device.It completes after being dried, air is returned again by the first air outlet 19 It flows in external environment,
The present embodiment realizes the step filtering purifying to air, and what is purified is steps strong, can effectively remove in air Bulky grain and little particle impurity, and the harmful substances such as the formaldehyde in air can be adsorbed, overcome traditional air purifier only The defect of granule foreign can be removed, clean-up effect is greatly improved.
Embodiment 2
In conjunction with Fig. 1,3, the present embodiment is theed improvement is that relative to embodiment 1: the air inlet of the air compartment 101 is axial For vertical direction, the shell 1 includes the support portion immediately below the air inlet, is provided with ash accepting box on the support portion 25。
The axial direction of air inlet be vertical direction design enable the first filter screen 2 level be mounted on air inlet, quilt Being isolated in the large granular impurity except the first filter screen 2 can be fallen in ash accepting box 25 by gravity.This mode, which can reduce, is attached to Impurity content on one filter screen 2 helps to ensure that the filter effect of the first filter screen 2.
First filter screen 2 is movably connected in the air compartment 101, is connected with connecting plate in the air compartment 101, described It is connected between connecting plate and first filter screen 2 by tension spring;First filter screen, 2 lower surface against there is eccentric wheel 26, The eccentric wheel 26 is connected in shaft 9, and the shaft 9 is rotatably connected on the shell 1, and the shaft 9 is away from described inclined One end of heart wheel 26 is set with handwheel 10.
Shaft 9 can also be made to rotate with movable eccentric wheel 26 by rotating handwheel 10, eccentric wheel 26 rotates so that with spring 20 First filter screen 2 of connection constantly moves up and down.First filter screen 2 can be by the first filter screen during up and down motion The impurity adhered on 2 is shaken off in ash accepting box 25, so as to the cleaning enhanced convenience of the first filter screen 2.
Embodiment 3
In conjunction with Fig. 1,2, the present embodiment is theed improvement is that relative to embodiment 1: being run through on the side wall of the catheter 3 Ground offers multiple apopores, and the second filter screen 218, second filter screen 218 are additionally provided in the double purification room 103 In the lower section of the filter core 6, the immersible pump is located at the lower section of second filter screen 218.
After long time running, granule foreign constantly deposits in filter core 6, will cause filter core 6 when serious and blocks, causes Scavenging solution can not be fallen by the mesh of filter core 6.The present embodiment has opened up apopore on the side wall of catheter 3, sends out in filter core 6 When raw blocking, the scavenging solution liquid level in filter core 6 is constantly increased, and when liquid level reach a certain height, scavenging solution can pass through catheter 3 On apopore fall, and turned again to after the second filter screen 218 102 bottom of The early effect decontamination chamber splendid attire scavenging solution in.Pass through When this mode blocks filter core 6 device can also steady operation, clean-up effect of the effective guarantee to air.
The double purification room 103 also has the second air outlet 22, in second air outlet 22 and the second ventilation opening It is provided with control valve.
When air humidity is larger indoors, the control valve at the second air outlet 22 can be closed, is opened at the first air outlet 19 Control valve;When air humidity is smaller indoors, the control valve at the first air outlet 19 can be closed, is opened at the second air outlet 22 Control valve.It, can be to a certain extent by the control valve at opening the first air outlet 19 and the second air outlet 22 of selectivity Play the effect of humidification or dehumidifying.
Embodiment 4
In conjunction with Fig. 1, the present embodiment is theed improvement is that relative to embodiment 1: the filter screen of the filter device is in circle Column, the filter device include biochemical cotton filter screen 11, activated carbon adsorption net 12 and the HEPA high efficiency particulate air being successively set with 13, there is gap, first ventilation opening is connected to the inner cavity of the biochemistry cotton filter screen 11 between adjacent head net.
By multiple filtration net can by air little particle impurity and peculiar smell be efficiently removed, the filter screen of filter device Cylindric design can also improve the contact area of air and filter screen so that purification of the filter screen of filter device to air Effect is more abundant, and clean-up effect is more preferably.
Embodiment 5
In conjunction with Fig. 1, the present embodiment is theed improvement is that relative to embodiment 1: the drying device includes copper alloy net 18, desiccant 17 and stainless (steel) wire 16, the stainless (steel) wire 16 are located at the lower section of the copper alloy net 18, and the desiccant 17 is filled out It is located between the copper alloy net 18 and stainless (steel) wire 16.
Stainless (steel) wire 16 has enough intensity, can provide desiccant 17 stable support effect.Desiccant 17 is used for The moisture in air is adsorbed, silica gel can be selected in desiccant 17.Stainless (steel) wire 16 and copper alloy net 18 be able to cooperate to desiccant 17 It is limited, prevents from causing desiccant 17 to stack on stainless (steel) wire 16 because carrying clarifier, to influence the drying to air Effect.
The drying device further includes the drying tube 14 being connected at the second ventilation opening, the drying tube 14 be located at it is described not The lower section of rust steel mesh 16, the periphery of the drying tube 14 is arranged with spiral electric heating tube 15.
Drying effect substantially reduces after the water suction saturation of desiccant 17, and spiral electric heating tube 15 can be made to generate heat at this time, passed through The air themperature of drying tube 14 increases, and exchanges heat between air and desiccant 17, the moisture in desiccant 17 is made by thermal evaporation It obtains desiccant 17 to be regenerated, extends the service life of desiccant 17, improve the utilization rate of desiccant 17.
Embodiment 6
In conjunction with Fig. 1, the present embodiment is theed improvement is that relative to embodiment 1: being additionally provided in the The early effect decontamination chamber 102 Draining plate, the draining plate is between the filter core 6 and the second filter screen 218, and the draining plate and the second filter screen 218 are It is obliquely installed, the higher-end of second filter screen 218 is arranged close to the lower end of the draining plate.
Water conservancy diversion can be carried out to the scavenging solution fallen by draining plate, enable scavenging solution in the higher of the second filter screen 218 End is fallen, and washes away the purpose of the second filter screen 218 together.
The The early effect decontamination chamber 102 is communicated with water inlet pipe 24 and drainpipe 23, on the water inlet pipe 24 and drainpipe 23 It is provided with control valve, can be facilitated by water inlet pipe 24 and scavenging solution is added into The early effect decontamination chamber 102, it will be first by 23 energy of drainpipe Scavenging solution in effect clean room 102 is discharged in time.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (10)

1. a kind of Household Air Purifier, which is characterized in that including shell, the housing cavity is become a common practice by multiple partitions segmentation Room, The early effect decontamination chamber, double purification room and hothouse;Air-introduced machine is equipped in the air compartment, the air compartment has air inlet, described The air inlet of air compartment is equipped with the first filter screen, and the air compartment is communicated with induced duct, and the air inducing tube portion is located at the just effect In clean room;The The early effect decontamination chamber bottom is loaded with scavenging solution, and submergence has immersible pump in the scavenging solution;The just effect purification Interior is additionally provided with catheter, filter core and spray tube;The catheter is located at the lower section of the induced duct, the catheter upper and lower two End opening, from top to bottom, the horizontal sectional area of the catheter gradually decrease, and the filter core is connected to the bottom of the catheter Portion;The spray tube is located at the top of the catheter, and the spray tube is connected to by pipeline with the water outlet of the immersible pump; It is connected between the double purification room and The early effect decontamination chamber by the first ventilation opening, filtering dress is equipped in the double purification room It sets;It is connected between the hothouse and the double purification room by the second ventilation opening, drying device is equipped in the hothouse, The hothouse has the first air outlet.
2. Household Air Purifier according to claim 1, which is characterized in that the air inlet of the air compartment is axially vertical Direction, the shell include the support portion immediately below the air inlet, are provided with ash accepting box on the support portion.
3. Household Air Purifier according to claim 2, which is characterized in that first filter screen is movably connected in institute It states in air compartment, connecting plate is connected in the air compartment, connected between the connecting plate and first filter screen by tension spring;Institute The first filter screen lower surface is stated against there is eccentric wheel, the eccentric wheel is connected in shaft, and the shaft is rotatably connected on described On shell, the shaft is set with handwheel away from one end of the eccentric wheel.
4. Household Air Purifier according to claim 1, which is characterized in that penetratingly opened on the side wall of the catheter Equipped with multiple apopores, the second filter screen is additionally provided in the double purification room, second filter screen is located at the filter core Lower section, the immersible pump are located at the lower section of second filter screen.
5. Household Air Purifier according to claim 1, which is characterized in that the filter screen of the filter device is in cylinder Shape, the filter device include biochemical cotton filter screen, activated carbon adsorption net and the HEPA high efficiency particulate air being successively set with, adjacent mistake There is gap, first ventilation opening is connected to the inner cavity of the biochemical cotton filter screen between strainer.
6. Household Air Purifier according to claim 1, which is characterized in that the drying device include copper alloy net, Desiccant and stainless (steel) wire, the stainless (steel) wire are located at the lower section of the copper alloy net, and the desiccant, which is filled out, is located at the copper conjunction Between golden net and stainless (steel) wire.
7. Household Air Purifier according to claim 6, which is characterized in that the drying device further includes being connected to Drying tube at two ventilation openings, the drying tube are located at the lower section of the stainless (steel) wire, and the periphery of the drying tube is arranged with spiral shell Revolve electric heating tube.
8. Household Air Purifier according to claim 4, which is characterized in that be additionally provided with drain in the The early effect decontamination chamber Plate, the draining plate is between the filter core and the second filter screen, and the draining plate and the second filter screen are obliquely installed, institute The higher-end for stating the second filter screen is arranged close to the lower end of the draining plate.
9. Household Air Purifier according to claim 1, which is characterized in that the double purification room also has second to go out Air port is provided with control valve in second air outlet and the second ventilation opening.
10. Household Air Purifier according to claim 1, which is characterized in that the The early effect decontamination chamber is communicated with into water Pipe and drainpipe are provided with control valve on the water inlet pipe and drainpipe.
CN201821493576.6U 2018-09-13 2018-09-13 A kind of Household Air Purifier Expired - Fee Related CN208952276U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821493576.6U CN208952276U (en) 2018-09-13 2018-09-13 A kind of Household Air Purifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821493576.6U CN208952276U (en) 2018-09-13 2018-09-13 A kind of Household Air Purifier

Publications (1)

Publication Number Publication Date
CN208952276U true CN208952276U (en) 2019-06-07

Family

ID=66737858

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821493576.6U Expired - Fee Related CN208952276U (en) 2018-09-13 2018-09-13 A kind of Household Air Purifier

Country Status (1)

Country Link
CN (1) CN208952276U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110940024A (en) * 2019-12-20 2020-03-31 胡民的 Multifunctional window type fresh air system
CN110940023A (en) * 2019-12-20 2020-03-31 胡民的 Window type air circulation system
CN112902367A (en) * 2021-02-05 2021-06-04 福建永宏环保科技有限公司 Manufacturing method of air purifier capable of removing formaldehyde

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110940024A (en) * 2019-12-20 2020-03-31 胡民的 Multifunctional window type fresh air system
CN110940023A (en) * 2019-12-20 2020-03-31 胡民的 Window type air circulation system
CN110940023B (en) * 2019-12-20 2021-08-27 戴志刚 Window type air circulation system
CN112902367A (en) * 2021-02-05 2021-06-04 福建永宏环保科技有限公司 Manufacturing method of air purifier capable of removing formaldehyde

Similar Documents

Publication Publication Date Title
CN208952276U (en) A kind of Household Air Purifier
CN207546133U (en) A kind of self-cleaning activated carbon adsorption device
CN105214423A (en) A kind of air purification filter system
CN109331645A (en) A kind of working method of the air cleaning cleaner of high-efficiency environment friendly
CN107441863A (en) A kind of air cleaning unit of high-efficiency environment friendly
CN109331646A (en) A kind of air cleaning cleaner of high-efficiency environment friendly
CN109237652A (en) A kind of air cleaning unit with fresh air system
CN112923493A (en) Air-assisted mobile sterilization and purification equipment
CN107238139A (en) A kind of Novel air purification device
CN207996527U (en) A kind of dust proof workshop air deep purifying processing unit
CN207254011U (en) The air cleaner of automatic cleaning prefiltration net
CN110375410A (en) Kitchen steam integrated fresh air system
CN108079743B (en) Dry-type active carbon adsorption box for laboratory
CN107754529B (en) Circulating air purification equipment based on water rotating device
CN208652734U (en) A kind of air cleaner with function with the humid air
CN205747198U (en) Air purifier
CN208365670U (en) A kind of indoor formaldehyde processing unit being conveniently replaceable
CN208865336U (en) A kind of waste gas circulation processing unit
CN209622987U (en) Air purifier
CN208591681U (en) It is a kind of for purifying the air cleaning unit of smog of smoking
CN106731393A (en) A kind of environment friendly dedusting device
CN207462915U (en) The dust-extraction unit of sugared technique on a kind of gel candy
CN110613991A (en) Harmless treatment process for smelting tail gas
CN209484744U (en) A kind of double air duct air cleaning units
CN107166549A (en) A kind of efficient Household air purifier

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190607

Termination date: 20200913

CF01 Termination of patent right due to non-payment of annual fee