CN106196323A - Full-service fluid air purifier - Google Patents

Full-service fluid air purifier Download PDF

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Publication number
CN106196323A
CN106196323A CN201610706765.6A CN201610706765A CN106196323A CN 106196323 A CN106196323 A CN 106196323A CN 201610706765 A CN201610706765 A CN 201610706765A CN 106196323 A CN106196323 A CN 106196323A
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CN
China
Prior art keywords
clean room
sterilization chamber
air
pipe
full
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.)
Withdrawn
Application number
CN201610706765.6A
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Chinese (zh)
Inventor
周峰
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Individual
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Individual
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Filing date
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Priority to CN201610706765.6A priority Critical patent/CN106196323A/en
Publication of CN106196323A publication Critical patent/CN106196323A/en
Withdrawn legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-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
    • F24F3/12Air-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
    • F24F3/16Air-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 purification, e.g. by filtering; by sterilisation; by ozonisation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00Disinfection, sterilisation or deodorisation of air
    • A61L9/14Disinfection, sterilisation or deodorisation of air using sprayed or atomised substances including air-liquid contact processes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/20Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/20Method-related aspects
    • A61L2209/21Use of chemical compounds for treating air or the like
    • A61L2209/211Use of hydrogen peroxide, liquid and vaporous
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

The present invention relates to a kind of full-service fluid air purifier, it is characterized in that: include housing, sterilization chamber, clean room, air pump, lithium battery, electrolytic water device, the first air inlet pipe, the second air inlet pipe and exhaustor, sterilization chamber and clean room are placed side by side on the inside of housing, being arranged above with air pump, lithium battery at sterilization chamber and clean room, electrolytic water device is arranged on the side of sterilization chamber and clean room.The present invention is simple to operate, good purification, and function is many, it is simple to changing filtering material, use cost is low, and more conducively average family uses.Can purify the air of a room, also can need not can promote health to the appropriate oxygen of indoor offer again by windowing ventilation to the air of the pure and fresh cleaning of indoor offer again.

Description

Full-service fluid air purifier
Technical field:
The present invention relates to a kind of air purifier, especially a kind of full-service fluid air purifier.
Background technology:
Along with developing rapidly of economical activities of mankind and production activity, a large amount of consume the energy while, also will substantial amounts of give up Gas, flue dust material enter air, have had a strong impact on the quality of atmospheric environment.Particularly in thickly populated city and industrial occupancy, Air pollution especially severe, the suction of various harmful gass, seriously impairer people's is healthy.Now, the life of people Running water is flat more and more higher, and air-conditioning is popularized, and the interior space making people depend on for existence is more airtight, room air pollution Seriously.Use air freshener can only abnormal flavour in covered chamber, there is no dedusting, sterilization, disinfective action at all, even can cause Secondary pollution.In order to be able to make people breathe fresh dry clean air, air purifier arises at the historic moment, traditional air purifier Wet type air cleaner and dry type air purification device can be divided into.Such as application publication number: the patent of CN104896605A discloses one Plant air purifier, mainly by purification, disinfectant solution, air is carried out disinfection;The patent of Patent No. 011215100 is open A kind of " absorbing liquid-type air purifier ", there is effect chemically and physically by absorbing liquid with air in this air purifier, Absorb harmful gas, thus reach to purify the purpose of air.Owing to this air purifier is directly to be blown in absorbing liquid by air, The objects such as bigger feather, silk thread, paper scrap easily block shower nozzle in bottle;Chemical agent preparation difficulty in absorbing liquid used, Relatively costly;Such as application publication number: the patent of CN1510353 discloses a kind of air purifier, and the main drainage screen that passes through is to sky Gas purifies, and belongs to dry type air purification device.Dry type air purification device mainly uses solid filtering material with primarily efficient filter, middle effect Filter, the combined technology of high efficiency filter, the pollutant in air are intercepted, adsorb, to reach air is purified Purpose.Pollutant are only had obstruct adsorption, it is impossible to decompose pollution and dissolve by this technology, intercept absorption and hold Measure limited.In the process of use, along with the increase of the change filtering material internal contamination thing of the time of use, to the clean-up effect of air and Purge amount declines the most therewith, and impact is to air purification effect and persistence, especially when intercepting in pollutant with filtering material, adsorbing Capacity when reaching saturated, pollutant can discharge voluntarily, forms the environment purified and pollutes, has also limited in the unit interval Purge amount to air.The most existing air purifier mostly is dry type air purification device, and price is high, and structure is complicated, filters Material can not be changed automatically, affects it and normally uses, and is therefore difficult to come into common people house, it is impossible to be promoted.
Summary of the invention:
The invention aims to overcome the deficiency of existing air purifier, it is provided that a kind of good purification, function is many, it is simple to Change filtering material, the full-service fluid air purifier that use cost is low.
For achieving the above object, the technical solution used in the present invention is:
A kind of full-service fluid air purifier, including housing, sterilization chamber, clean room, air pump, lithium battery, electrolytic water device, the One air inlet pipe, the second air inlet pipe and exhaustor.Sterilization chamber and clean room are placed side by side on the inside of housing, in sterilization chamber and purification Room is arranged above with air pump, lithium battery, and electrolytic water device is arranged on the side of sterilization chamber and clean room, one end of the first air inlet pipe with Air pump is connected, and the other end is connected with the bottom of sterilization chamber;One end of second air inlet pipe is connected with the top of sterilization chamber, separately One end is connected with the bottom of clean room;It is provided with exhaustor in one end of clean room's end face.
Described housing is rectangle, is provided with shift knob, exhaust outlet and oxygen outlet on the leading flank of housing, The left surface of housing is provided with disinfectant solution outlet, scavenging solution outlet and air and enters pipe;It is provided with on top of the housing Lid and two filling openings, be provided with one on each filling opening and seal lid;The right flank of housing is provided with hydrogen discharge pipe wear Hole, hydrogen discharge pipe stretches out outdoor through hydrogen discharge pipe perforation, outside the hydrogen discharge chamber that can will produce.
Described sterilization chamber is rectangular box, and the bottom on the left of sterilization chamber is provided with air inlet pipe union joint and disinfectant solution is discharged Pipe, is provided with control valve on disinfectant solution discharge pipe;An escape pipe and a liquid-feeding tube it is provided with in the left side of sterilization chamber end face, The zigzag weld from top to bottom of the inside of sterilization chamber is connected to several dividing plate, makes the cavity within sterilization chamber form roundabout leading to of complications Road.Air can be extended in sterilization chamber, flow through passage, reduce the height of sterilization indoor liquid.
Described clean room is rectangular box, and the bottom on the left of clean room is provided with air inlet pipe union joint and scavenging solution is discharged Pipe, is provided with control valve on scavenging solution discharge pipe;A liquid-feeding tube it is provided with, at clean room's end face in the left side of clean room's end face Right side is provided with an exhaustor, and the inside zigzag weld from top to bottom in clean room is connected to several dividing plate, makes the sky within clean room Chamber forms the passage that complications are roundabout.Air can be extended in clean room, flow through passage, reduce the height purifying indoor liquid Degree.
Described air enters pipe for tee T, is provided with control valve on tee T, by control valve realize indoor purifying with To indoor for the conversion of airway dysfunction.
Described electrolytic water device includes tank house, oxygen discharge pipe and hydrogen discharge pipe.
Filling disinfectant solution in described sterilization chamber, described disinfectant solution is Medical antiseptic solution, preferably hydrogen peroxide disinfectant solution.
Filling scavenging solution in described clean room, scavenging solution is one or more in soda bath, lime water, saline solution.
The invention has the beneficial effects as follows: rational in infrastructure, easy to make, low cost of manufacture, simple to operate, good purification, Function is many, it is simple to changing filtering material, use cost is low, and more conducively average family uses.Can purify the air of a room, again can be to To the appropriate oxygen of indoor offer, the air of the indoor pure and fresh cleaning of offer, also need not can promote that human body is strong again by windowing ventilation Health.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation within the present invention.
Fig. 3 is the structural representation of sterilization chamber in the present invention.
Fig. 4 is the structural representation of clean room in the present invention.
Fig. 5 is the structural representation of further embodiment of this invention.
In figure, 1 housing, 11 air enter pipe, 12 exhaust outlets, 13 oxygen outlets, 14 sealing lids, 15 upper covers, 16 switches Button, 17 drainage screens, 2 sterilization chamber, 21 disinfectant solution discharge pipes, 22 liquid-feeding tubes, 23 dividing plates, 24 passages, 25 escape pipes, 26 air inlet pipe Union joint, 3 clean rooms, 31 scavenging solution discharge pipes, 32 liquid-feeding tubes, 33 dividing plates, 34 passages, 35 air inlet pipe union joints, 4 air pumps, 5 lithiums Battery, 6 electrolytic water devices, 61 oxygen discharge pipe, 62 hydrogen discharge pipes, 7 first air inlet pipe, 8 second air inlet pipe, 9 exhaustors.
Detailed description of the invention:
Embodiment 1
As Figure 1-4, a kind of full-service fluid air purifier, including housing 1, sterilization chamber 2, clean room 3, air pump 4, lithium electricity Pond 5, electrolytic water device the 6, first air inlet pipe the 7, second air inlet pipe 8 and exhaustor 9.Sterilization chamber 2 and clean room 3 are placed side by side on shell The inside of body 1, is arranged above with air pump 4, lithium battery 5 at sterilization chamber 2 and clean room 3, and electrolytic water device 6 is arranged on sterilization chamber 2 He The side of clean room 3, electrolytic water device 6 includes tank house, oxygen discharge pipe 61 and hydrogen discharge pipe 62.First air inlet pipe 7 One end is connected with air pump 4, and the other end is connected with the bottom of sterilization chamber 2;One end of second air inlet pipe 8 and the top of sterilization chamber 2 Portion is connected, and the other end is connected with the bottom of clean room 3;It is provided with exhaustor 9 in one end of clean room 3 end face.Described housing 1 For rectangle, the leading flank of housing 1 is provided with shift knob 16, exhaust outlet 12 and oxygen outlet 13, on a left side for housing 1 Side is provided with disinfectant solution outlet, scavenging solution outlet and air and enters pipe 11;The top of housing 1 is provided with upper cover 15 He Two filling openings, are provided with one on each filling opening and seal lid 14;The right flank of housing 1 is provided with hydrogen discharge pipe wear Hole, hydrogen discharge pipe 62 stretches out outdoor through hydrogen discharge pipe perforation, outside the hydrogen discharge chamber that can will produce.Described sterilization chamber 2 is Rectangular box, the bottom on the left of sterilization chamber 2 is provided with air inlet pipe union joint 26 and disinfectant solution discharge pipe 21, discharges at disinfectant solution Pipe 21 is provided with control valve;An escape pipe 25 and a liquid-feeding tube 22 it is provided with, at sterilization chamber 2 in the left side of sterilization chamber 2 end face Inside zigzag weld from top to bottom be connected to several dividing plate 23, make cavity within sterilization chamber 2 form the passage that complications are roundabout 24.The air time flowed through in sterilization chamber 2 can be extended, reduce the height of liquid needed for air sterillization.Described clean room 3 For rectangular box, the bottom on the left of clean room 3 is provided with air inlet pipe union joint 35 and scavenging solution discharge pipe 31, arranges at scavenging solution Go out pipe 31 and be provided with control valve;It is provided with a liquid-feeding tube 32 in the left side of clean room 3 end face, sets on the right side of clean room 3 end face Having an exhaustor 9, the inside zigzag weld from top to bottom in clean room 2 is connected to several dividing plate 33, makes the cavity within clean room 3 Form the passage 34 that complications are roundabout.The time that air flows through in clean room 3 can be extended, reduce and purify liquid needed for air Height.Described air enter pipe 11 be tee T, tee T is provided with control valve, by control valve realize indoor purifying and To indoor for the conversion of airway dysfunction.Filling disinfectant solution in described sterilization chamber 2, described disinfectant solution is hydrogen peroxide disinfectant solution, can kill Various pathogenic bacterias in air, the solid particle in mistake air filtering.Filling scavenging solution in described clean room 3, described scavenging solution is for burning Aqueous slkali, can not only remove the dust in air, antibacterial, oil smoke, moreover it is possible to dispose the carbon dioxide in air.
Embodiment 2
As shown in Figure 2-5, a kind of full-service fluid air purifier, including housing 1, sterilization chamber 2, clean room 3, air pump 4, lithium electricity Pond 5, electrolytic water device the 6, first air inlet pipe the 7, second air inlet pipe 8 and exhaustor 9.Sterilization chamber 2 and clean room 3 are placed side by side on shell The inside of body 1, is arranged above with air pump 4, lithium battery 5 at sterilization chamber 2 and clean room 3, and electrolytic water device 6 is arranged on sterilization chamber 2 He The side of clean room 3, electrolytic water device 6 includes tank house, oxygen discharge pipe 61 and hydrogen discharge pipe 62.First air inlet pipe 7 One end is connected with air pump 4, and the other end is connected with the bottom of sterilization chamber 2;One end of second air inlet pipe 8 and the top of sterilization chamber 2 Portion is connected, and the other end is connected with the bottom of clean room 3;It is provided with exhaustor 9 in one end of clean room 3 end face.Described housing 1 For rectangle, the leading flank of housing 1 is provided with shift knob 16, exhaust outlet 12 and oxygen outlet 13, on a left side for housing 1 Side is provided with disinfectant solution outlet, scavenging solution outlet and air inlet port, is provided with drainage screen in the outside of air inlet port 17, prevent bigger solid from entering depurator 3;The top of housing 1 is provided with upper cover 15 and two filling openings, at each liquid feeding Mouth is provided with one and seals lid 14;Being provided with hydrogen discharge pipe perforation on the right flank of housing 1, hydrogen discharge pipe 62 is arranged through hydrogen Go out pipe perforation and stretch out outdoor, outside the hydrogen discharge chamber that can will produce.Described sterilization chamber 2 is rectangular box, on the left of sterilization chamber 2 Bottom be provided with air inlet pipe union joint 26 and disinfectant solution discharge pipe 21, disinfectant solution discharge pipe 21 is provided with control valve;In sterilization The left side of room 2 end face is provided with an escape pipe 25 and a liquid-feeding tube 22, and in the inside of sterilization chamber 2, zigzag weld from top to bottom is connected to Several dividing plates 23, make the cavity within sterilization chamber 2 form the passage 24 that complications are roundabout.Air can be extended in sterilization chamber 2 The time flowed through, reduce to the height of liquid needed for air sterillization.Described clean room 3 is rectangular box, left in clean room 3 The bottom of side is provided with air inlet pipe union joint 35 and scavenging solution discharge pipe 31, is provided with control valve on scavenging solution discharge pipe 31;Only The left side changing room 3 end face is provided with a liquid-feeding tube 32, is provided with an exhaustor 9 on the right side of clean room 3 end face, in clean room 2 Inside zigzag weld from top to bottom be connected to several dividing plate 33, make cavity within clean room 3 form the passage that complications are roundabout 34.The time that air flows through in clean room 3 can be extended, the height of liquid needed for reduction purification air.Note in described sterilization chamber 2 Full disinfectant solution, described disinfectant solution is Medical antiseptic solution, can kill the various pathogenic bacterias in air, the solid particle crossed in air filtering. Filling scavenging solution in described clean room 3, scavenging solution is the mixture of soda bath and saline solution, can not only remove the ash in air Dirt, antibacterial, oil smoke, moreover it is possible to dispose the carbon dioxide in air.
Operation principle and operational approach:
Before using, first close the control valve on disinfectant solution discharge pipe 21 and scavenging solution discharge pipe 31, air is entered pipe 11 and is placed in Indoor location, opens the sealing lid 14 on filling opening, fills disinfectant solution in sterilization chamber 2, fill scavenging solution in clean room 3, Then lid top cover labyrinth 14, switches on power, and presses shift knob 16, and air pump 4 works.Under the effect of air pump 4, room air warp Air enters pipe 11, air pump the 4, first air inlet pipe 7 enters sterilization chamber 2, from the complications within sterilized room, the bottom of sterilization chamber 22 Passage 24, is fully contacted with disinfectant solution, carries out disinfection air and preliminary purification, enters through the second air inlet pipe 8 and purifies Room 3, through exhaustor 9, exhaust outlet 12 is discharged into indoor after being purified further in clean room 3.After switching on power, power supply Being charged lithium battery 5, lithium battery 5 is powered to electrolytic water device 6, and the oxygen of generation is through oxygen discharge pipe 61, oxygen outlet 13 are discharged to indoor, supplement the oxygen of indoor consumption, improve the content of oxygen in room air.

Claims (7)

1. a full-service fluid air purifier, including housing, sterilization chamber, clean room, air pump, lithium battery, electrolytic water device, First air inlet pipe, the second air inlet pipe and exhaustor, sterilization chamber and clean room are placed side by side on the inside of housing, at sterilization chamber with clean Changing room and be arranged above with air pump, lithium battery, electrolytic water device is arranged on the side of sterilization chamber and clean room, one end of the first air inlet pipe Being connected with air pump, the other end is connected with the bottom of sterilization chamber;One end of second air inlet pipe is connected with the top of sterilization chamber, The other end is connected with the bottom of clean room;It is provided with exhaustor in one end of clean room's end face.
Full-service fluid air purifier the most according to claim 1, is characterized in that: described housing is rectangle, at shell The leading flank of body is provided with shift knob, exhaust outlet and oxygen outlet, is provided with disinfectant solution and discharges on the left surface of housing Mouth, scavenging solution outlet and air enter pipe;It is provided with upper cover and two filling openings on top of the housing, on each filling opening It is provided with one and seals lid;Being provided with hydrogen discharge pipe perforation on the right flank of housing, hydrogen discharge pipe is bored a hole through hydrogen discharge pipe Stretch out outdoor, outside the hydrogen discharge chamber that can will produce.
Full-service fluid air purifier the most according to claim 1, is characterized in that: described sterilization chamber is rectangle case Body, the bottom on the left of sterilization chamber is provided with air inlet pipe union joint and disinfectant solution discharge pipe, is provided with control on disinfectant solution discharge pipe Valve;An escape pipe and a liquid-feeding tube it is provided with, in the zigzag weld from top to bottom of the inside of sterilization chamber in the left side of sterilization chamber end face It is connected to several dividing plate, makes the cavity within sterilization chamber form the passage that complications are roundabout.
Full-service fluid air purifier the most according to claim 1, is characterized in that: described clean room is rectangle case Body, the bottom on the left of clean room is provided with air inlet pipe union joint and scavenging solution discharge pipe, is provided with control on scavenging solution discharge pipe Valve;It is provided with a liquid-feeding tube in the left side of clean room's end face, is provided with an exhaustor on the right side of clean room's end face, in clean room Inside zigzag weld from top to bottom be connected to several dividing plate, make cavity within clean room form the passage that complications are roundabout.
Full-service fluid air purifier the most according to claim 1, is characterized in that: described air enters pipe for threeway Pipe, is provided with control valve on tee T, realizes indoor purifying by control valve and supplies the conversion of airway dysfunction to indoor.
Full-service fluid air purifier the most according to claim 1, is characterized in that: fill sterilization in described sterilization chamber Liquid, described disinfectant solution is Medical antiseptic solution, preferably hydrogen peroxide disinfectant solution.
Full-service fluid air purifier the most according to claim 1, is characterized in that: fill purification in described clean room Liquid, scavenging solution is one or more in soda bath, lime water, saline solution.
CN201610706765.6A 2016-08-23 2016-08-23 Full-service fluid air purifier Withdrawn CN106196323A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610706765.6A CN106196323A (en) 2016-08-23 2016-08-23 Full-service fluid air purifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610706765.6A CN106196323A (en) 2016-08-23 2016-08-23 Full-service fluid air purifier

Publications (1)

Publication Number Publication Date
CN106196323A true CN106196323A (en) 2016-12-07

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Family Applications (1)

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CN201610706765.6A Withdrawn CN106196323A (en) 2016-08-23 2016-08-23 Full-service fluid air purifier

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107726448A (en) * 2017-09-11 2018-02-23 重庆依凯科技有限公司 A kind of air purifier simple in construction
CN111110896A (en) * 2020-03-31 2020-05-08 华南智能机器人创新研究院 Intelligent disinfection epidemic prevention robot
CN113202544A (en) * 2021-05-11 2021-08-03 曹福增 Continuous type is dust collector for mine
CN115318043A (en) * 2022-10-12 2022-11-11 久兴隆工程技术无锡有限公司 Automatic liquid level control washing device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107726448A (en) * 2017-09-11 2018-02-23 重庆依凯科技有限公司 A kind of air purifier simple in construction
CN111110896A (en) * 2020-03-31 2020-05-08 华南智能机器人创新研究院 Intelligent disinfection epidemic prevention robot
CN113202544A (en) * 2021-05-11 2021-08-03 曹福增 Continuous type is dust collector for mine
CN115318043A (en) * 2022-10-12 2022-11-11 久兴隆工程技术无锡有限公司 Automatic liquid level control washing device

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Application publication date: 20161207