CN110465154A - A kind of novel smog filtration purifier and application method - Google Patents

A kind of novel smog filtration purifier and application method Download PDF

Info

Publication number
CN110465154A
CN110465154A CN201910779882.9A CN201910779882A CN110465154A CN 110465154 A CN110465154 A CN 110465154A CN 201910779882 A CN201910779882 A CN 201910779882A CN 110465154 A CN110465154 A CN 110465154A
Authority
CN
China
Prior art keywords
smog
filter plate
filtration
cabinet
novel
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
Application number
CN201910779882.9A
Other languages
Chinese (zh)
Inventor
张丽娜
秦志强
冒志磊
万婷
张克良
周蓓蓓
来艺青
陈丽慧
仲根娣
陈昕华
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.)
Changzhou Healthcare Hospital For Women & Children
Original Assignee
Changzhou Healthcare Hospital For Women & Children
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 Changzhou Healthcare Hospital For Women & Children filed Critical Changzhou Healthcare Hospital For Women & Children
Priority to CN201910779882.9A priority Critical patent/CN110465154A/en
Publication of CN110465154A publication Critical patent/CN110465154A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/007Separation 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 by irradiation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/45Gas separation or purification devices adapted for specific applications
    • B01D2259/4533Gas separation or purification devices adapted for specific applications for medical purposes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/80Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
    • B01D2259/804UV light

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biomedical Technology (AREA)
  • Toxicology (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Electrostatic Separation (AREA)

Abstract

The invention belongs to fume cleaning technical fields, disclose a kind of novel smog filtration purifier, multiple filter plates are installed in the inside of cabinet, top is equipped with large-volume particulate filter plate, micron particles filter plate is installed below large-volume particulate filter plate, activated carbon filter layer is installed below micron particles filter plate, secondary micron particles filter plate is installed below activated carbon filter layer, bottom is equipped with electrostatic attraction board;Cabinet has been bolted ultraviolet germicidal lamp on the side wall between secondary micron particles filter plate and electrostatic attraction board, and ultraviolet germicidal lamp is electrically connected with control panel.The present invention will sufficiently be filtered with harmful substance operation smoke, can carry out ultraviolet sterilization by ultraviolet sterilization apparatus, will be eliminated by the remaining germ in the smog of multiple filtration;Good guarantee is provided for the health of health care worker, internal filter layer is used multiple times, and is eliminated frequently replacement filter core, has been saved use cost.

Description

A kind of novel smog filtration purifier and application method
Technical field
The invention belongs to fume cleaning technical field more particularly to a kind of novel smog filtration purifier and application methods.
Background technique
With the continuous development of modern medicine, operating room, which has become, provides the important base of advanced technology resource.Such as surgery Equipment, the extensive utilization of laser and other electric tools during surgery generate smog and also get over when these high-temperature services contact tissue Come more.Containing there are many harmful chemical component, challenge virus, competent cell, non-active particles etc. in smog.Operation room work The harmful smog of personnel's Long Term Contact, health are threatened by greatly potential.
Contain toxic chemical substance, including carcinogen in operation smoke, such as acetaldehyde and butadiene;Potential carcinogenic substance Matter, such as acrylonitrile, benzene and formaldehyde;With other chemical substances.In addition, the particulate matter generated in surgical procedure, such as blood, group It knits, bacterium and virus, will lead to pharyngolaryngitis, eye disease and the risk for increasing respiratory tract infection.
Operation smoke will affect the health of medical worker and patient.The medical staff of contact operation smoke has very big probability to produce Raw skin irritatin, has a headache, cough, the reaction such as allergy.Although operation smoke is still unknown on the long-term influence of hospital staff, But still need to take corresponding measure, it reduces medical staff and is exposed to the risk under operation smoke in the course of surgery.It is existing The measure of the pre- protection from fumes of operating room is the personal protective measures of the surgical face mask of the wearing high filtration used, this filtering mouth Cover has to comply with shape of face, fastening face when wearing, and oral-nasal perimeter does not have gap, so this mask can not be from different people Perfection fitting is easy to influence protection effect.It is carried out also by smoke evacuation system and mobility smoke evacuation system is added in situations in the surgery room Smoke evacuation can not thoroughly remove the indoor harmful vapors of operation, and smog evacuation can even interfere surgeon not in time Surgical field of view.
In conclusion problem of the existing technology is:
The personal protective measures of the existing surgical face mask for wearing high filtration, cannot paste from different human face's perfections It closes, is easy to influence protection effect.And by adding smoke evacuation system in situations in the surgery room and mobility smoke evacuation system is discharged fume, and The indoor harmful vapors of operation cannot be thoroughly removed, and smog evacuation can even interfere surgical operation to regard not in time It is wild.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of novel smog filtration purifier and application methods.
The invention is realized in this way a kind of novel smog filtration purifier is provided with
Cabinet;
The surface of the cabinet is installed by welding with control panel, is installed by welding with smoke-intake pipe among the upper epidermis of cabinet, into The other end of smoke pipe is installed by welding with fume cleaning mouth, and the two sides below cabinet are respectively installed by welding with an air outlet;In case The inside of body is equipped with multiple filter plates;Top is equipped with large-volume particulate filter plate, peace below large-volume particulate filter plate Equipped with micron particles filter plate, activated carbon filter layer, installation below activated carbon filter layer are installed below micron particles filter plate There is secondary micron particles filter plate, bottom is equipped with electrostatic attraction board;Cabinet is in secondary micron particles filter plate and Electrostatic Absorption Ultraviolet germicidal lamp is bolted on side wall between plate, ultraviolet germicidal lamp is electrically connected with control panel;
It is provided with rotating electric machine below electrostatic attraction board, air suction fan blade is installed on the outside of rotating electric machine transmission shaft.
Further, smoke-intake pipe is installed by welding among the upper epidermis of the cabinet, the other end of smoke-intake pipe is installed by welding with One fume cleaning mouth, smoke-intake pipe use coiled pipe, can be with being intended to space oscillation adjustment, and are fixed with arbitrary shape.
Further, the box house top layer is equipped with large-volume particulate filter plate, for filtering large-volume particulate.
Further, activated carbon filter layer is installed below the micron particles filter plate, for adsorbing toxic and harmful gas.
Further, rear cover has been screwed on rear side of the cabinet.
Another object of the present invention is to provide a kind of novel smog filtration, purification system, the novel smog filtration, purification System includes:
Processing module, for carrying out whole control by filtration, purification of the processor to smog;
Filtering module, for carrying out multiple filtration to smog by multiple layers of filters;
Dedusting module, for being adsorbed by electrostatic attraction board to dust in air;
Sterilization module is connect with processing module, for being eliminated by ultraviolet sterilization apparatus to the germ in smog;
Air draught module, connect with processing module, for driving air suction fan blade rotation to generate circulating current by motor;
Module is drained, for guiding by fume cleaning mouth and smoke-intake pipe to the flowing of smog.
Further, the filtering module includes primary filter unit and profound filter element;
Primary filter unit carries out pre-filtering to the smog of absorption, filters out the large particle in smog;
Profound filter element carries out in-depth filtration to the air of absorption, filters out the fine particle in air.
Further, the sterilization module includes ultraviolet light generating unit, light focusing unit and antireflection unit;
The ultraviolet light generating unit is irradiated disinfection for generating ultraviolet light;
The light focusing unit is used to carry out optically focused to ultraviolet light, improves ultraviolet light to the bactericidal effect of circulating current;
The antireflection unit is used to stop ultraviolet light by pasting shielding case in cabinet wall, prevents ultraviolet light Spilling causes harm to the human body.
In conclusion advantages of the present invention and good effect are as follows: the present invention passes through multilayer by the smog for generating operation The filter plate indoor air that can will perform the operation sufficiently is filtered, and can be carried out ultraviolet light by ultraviolet sterilization apparatus and be killed Bacterium eliminates the remaining germ in air, and the support angle of smoke-intake pipe can be adjusted arbitrarily, can according to need to cigarette The position and orientation of mist purification mouth are adjusted, and prevent from impacting the work of medical worker, internal filter layer can lead to It crosses opening rear cover to be cleared up, be used multiple times, eliminate frequently replacement filter core, saved use cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of novel smog filtration purifier provided in an embodiment of the present invention;
Fig. 2 is the schematic diagram of internal structure of novel smog filtration purifier provided in an embodiment of the present invention;
In figure: 1, cabinet;2, control panel;3, smoke-intake pipe;4, fume cleaning mouth;5, air outlet;6, large-volume particulate mistake Filter plate;7, micron particles filter plate;8, activated carbon filter layer;9, secondary micron particles filter plate;10, electrostatic attraction board;11, it inhales Fan leaf;12, rotating electric machine;13, ultraviolet radiator.
Fig. 3 is novel smog filtration, purification system structure diagram provided in an embodiment of the present invention.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing Detailed description are as follows.
Structure of the invention is explained in detail with reference to the accompanying drawing.
As shown in Fig. 1 and Fig. 2, novel smog filtration purifier provided in an embodiment of the present invention includes: cabinet 1, control plane Plate 2, smoke-intake pipe 3, fume cleaning mouth 4, air outlet 5, large-volume particulate filter plate 6, micron particles filter plate 7, active carbon filtering Layer 8, secondary micron particles filter plate 9, electrostatic attraction board 10, air suction fan blade 11, rotating electric machine 12, ultraviolet radiator 13.
The surface of cabinet 1 is installed by welding with control panel 2, and smoke-intake pipe 3 is installed by welding among the upper epidermis of cabinet 1, into The other end of smoke pipe 3 is installed by welding with a fume cleaning mouth 4, and the two sides below cabinet 1 are respectively installed by welding with an outlet air Mouth 5.Multiple filter plates are installed in the inside of cabinet 1.Top is equipped with large-volume particulate filter plate 6, large-volume particulate mistake Micron particles filter plate 7 is installed below filter plate 6, activated carbon filter layer 8, active carbon are installed below micron particles filter plate 7 Secondary micron particles filter plate 9 is installed, bottom is equipped with electrostatic attraction board 10 below filter layer 8.Cabinet 1 is in secondary micron Be bolted ultraviolet germicidal lamp on side wall between grain filter plate 9 and electrostatic attraction board 10, ultraviolet germicidal lamp with Control panel 2 is electrically connected;It is provided with rotating electric machine 12 below electrostatic attraction board 10, is equipped on the outside of 12 transmission shaft of rotating electric machine Air suction fan blade 11.Rear cover has been screwed on rear side of cabinet 1.
Another object of the present invention is to provide a kind of novel smog filtration, purification system, the novel smog filtration, purification System includes:
Processing module 301, for carrying out whole control by filtration, purification of the processor to smog;
Filtering module 302, for carrying out multiple filtration to smog by multiple layers of filters;
Dedusting module 303, for being adsorbed by electrostatic attraction board to dust in air;
Sterilization module 304 is connect with processing module 301, for by ultraviolet sterilization apparatus to the germ in smog into Row is eliminated;
Air draught module 305 is connect with processing module 301, for driving air suction fan blade rotation to generate circulating air by motor Stream;
Module 306 is drained, for guiding by fume cleaning mouth and smoke-intake pipe to the flowing of smog.
Further, the filtering module 302 includes primary filter unit and profound filter element;
Primary filter unit carries out pre-filtering to the smog of absorption, filters out the large particle etc. in smog;
Profound filter element carries out in-depth filtration to the smog of absorption, filters out the fine particle in smog.
Further, the sterilization module 304 includes ultraviolet light generating unit, light focusing unit and antireflection unit;
The ultraviolet light generating unit is irradiated disinfection for generating ultraviolet light;
The light focusing unit is used to carry out optically focused to ultraviolet light, improves ultraviolet light to the bactericidal effect of circulating current;
The antireflection unit is used to stop ultraviolet light by pasting shielding case in cabinet wall, prevents ultraviolet light Spilling causes harm to the human body.
The present invention drives flabellum 11 to rotate in use, starting low-power machine 12 by control panel 2, and smog passes through smog Mouth 4 is purified to suck in cabinet 1 by smoke-intake pipe 3.1 inner top layer of cabinet is equipped with large-volume particulate filter plate 6, for filtering out Large-volume particulate;Particle of the micron particles filter plate 7 for micron level in filter smoke;By activated carbon filter layer 8 by cigarette Noxious material in mist is adsorbed;Smog is filtered again finally by secondary micron particles filter plate 9, and is utilized ultraviolet Line sterilamp 13 carries out disinfection to smog;Filtered air is excluded by air outlet 5 eventually by the rotation of flabellum 11, is made Smog is purified.
The above is only the preferred embodiments of the present invention, and is not intended to limit the present invention in any form, Any simple modification made to the above embodiment according to the technical essence of the invention, equivalent variations and modification, belong to In the range of technical solution of the present invention.

Claims (8)

1. a kind of novel smog filtration purifier, which is characterized in that the novel smog filtration purifier is provided with
Cabinet;
The surface of the cabinet is installed by welding with control panel, and smoke-intake pipe, smoke-intake pipe are installed by welding among the upper epidermis of cabinet Other end be installed by welding with fume cleaning mouth, the two sides below cabinet are respectively installed by welding with an air outlet;In cabinet Inside is equipped with multiple filter plates;Top is equipped with large-volume particulate filter plate, is equipped with below large-volume particulate filter plate Micron particles filter plate, micron particles filter plate lower section are equipped with activated carbon filter layer, are equipped with two below activated carbon filter layer Secondary micron particles filter plate, bottom are equipped with electrostatic attraction board;Cabinet secondary micron particles filter plate and electrostatic attraction board it Between side wall on be bolted ultraviolet germicidal lamp, ultraviolet germicidal lamp is electrically connected with control panel;
It is provided with rotating electric machine below electrostatic attraction board, air suction fan blade is installed on the outside of rotating electric machine transmission shaft.
2. novel smog filtration purifier as described in claim 1, which is characterized in that welding peace among the upper epidermis of the cabinet Equipped with smoke-intake pipe, the other end of smoke-intake pipe is installed by welding with a fume cleaning mouth, and smoke-intake pipe uses coiled pipe, can be with being intended to Space oscillation adjustment, and fixed with arbitrary shape.
3. novel smog filtration purifier as described in claim 1, which is characterized in that the box house top layer is equipped with substantially Product particle filtering plate, for filtering large-volume particulate.
4. novel smog filtration purifier as described in claim 1, which is characterized in that installation below the micron particles filter plate Active charcoal filter layer, for adsorbing toxic and harmful gas.
5. a kind of novel smog filtration, purification system using novel smog filtration purifier described in claim 1-4 any one System, which is characterized in that the novel smog filtration, purification system includes:
Processing module, for carrying out whole control by filtration, purification of the processor to smog;
Filtering module, for carrying out multiple filtration to smog by multiple layers of filters;
Dedusting module, for being adsorbed by electrostatic attraction board to dust in air;
Sterilization module is connect with processing module, for being eliminated by ultraviolet sterilization apparatus to the germ in smog;
Air draught module, connect with processing module, for driving air suction fan blade rotation to generate circulating current by motor;
Module is drained, for guiding by fume cleaning mouth and smoke-intake pipe to the flowing of smog.
6. novel smog filtration, purification system as claimed in claim 5, which is characterized in that the filtering module includes primary mistake Filter unit and profound filter element;
Primary filter unit carries out pre-filtering to the smog of absorption, filters out the large particle in smog;
Profound filter element carries out in-depth filtration to the smog of absorption, filters out the fine particle in smog.
7. novel smog filtration, purification system as claimed in claim 5, which is characterized in that the sterilization module includes ultraviolet light Generating unit, light focusing unit and antireflection unit;
The ultraviolet light generating unit is irradiated disinfection for generating ultraviolet light;
The light focusing unit is used to carry out optically focused to ultraviolet light, improves ultraviolet light to the bactericidal effect of circulating current;
The antireflection unit is used to stop ultraviolet light by pasting shielding case in cabinet wall, prevents ultraviolet light from overflowing It causes harm to the human body.
8. a kind of application method of novel smog filtration purifier as described in claim 1, which is characterized in that the novel smog The application method of filtration purifier includes: to start low-power machine by control panel to drive flabellum rotation, and smog passes through smog Mouth is purified by smoke-intake pipe sucking cabinet;Box house top layer is equipped with large-volume particulate filter plate, for filtering out substantially Product particle;Particle of the micron particles filter plate for micron level in filter smoke;It will be in smog by activated carbon filter layer Noxious material is adsorbed;Smog is filtered again finally by secondary micron particles filter plate, and utilizes disinfection by ultraviolet light Lamp carries out disinfection to smog;Filtered air is excluded by air outlet eventually by the rotation of flabellum, obtains smog only Change.
CN201910779882.9A 2019-08-22 2019-08-22 A kind of novel smog filtration purifier and application method Pending CN110465154A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910779882.9A CN110465154A (en) 2019-08-22 2019-08-22 A kind of novel smog filtration purifier and application method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910779882.9A CN110465154A (en) 2019-08-22 2019-08-22 A kind of novel smog filtration purifier and application method

Publications (1)

Publication Number Publication Date
CN110465154A true CN110465154A (en) 2019-11-19

Family

ID=68513433

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910779882.9A Pending CN110465154A (en) 2019-08-22 2019-08-22 A kind of novel smog filtration purifier and application method

Country Status (1)

Country Link
CN (1) CN110465154A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111632491A (en) * 2020-06-03 2020-09-08 龙永南 Photocatalyst indoor air purification device
CN112797554A (en) * 2020-12-31 2021-05-14 青岛道一空优科技有限公司 Split type air purification equipment
WO2023275639A1 (en) * 2021-06-28 2023-01-05 Covidien Lp Disinfecting device for surgical smoke evacuation system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202078562U (en) * 2011-05-11 2011-12-21 刘喆 Sterilizer for medical X-ray photographic board
KR20120047475A (en) * 2010-11-04 2012-05-14 주식회사 그린에어월드 Toxic subtance removing method of an air cleaner and threrof device
CN205569969U (en) * 2016-02-01 2016-09-14 深圳能子生物科技有限公司 Fragrant moxibustion smoke purifier
CN207324386U (en) * 2017-08-10 2018-05-08 丰净环保设备(上海)有限公司 A kind of vertical smoke purifier
CN207980870U (en) * 2018-02-23 2018-10-19 孙正光 A kind of division of respiratory disease air purifier

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120047475A (en) * 2010-11-04 2012-05-14 주식회사 그린에어월드 Toxic subtance removing method of an air cleaner and threrof device
CN202078562U (en) * 2011-05-11 2011-12-21 刘喆 Sterilizer for medical X-ray photographic board
CN205569969U (en) * 2016-02-01 2016-09-14 深圳能子生物科技有限公司 Fragrant moxibustion smoke purifier
CN207324386U (en) * 2017-08-10 2018-05-08 丰净环保设备(上海)有限公司 A kind of vertical smoke purifier
CN207980870U (en) * 2018-02-23 2018-10-19 孙正光 A kind of division of respiratory disease air purifier

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111632491A (en) * 2020-06-03 2020-09-08 龙永南 Photocatalyst indoor air purification device
CN112797554A (en) * 2020-12-31 2021-05-14 青岛道一空优科技有限公司 Split type air purification equipment
WO2023275639A1 (en) * 2021-06-28 2023-01-05 Covidien Lp Disinfecting device for surgical smoke evacuation system

Similar Documents

Publication Publication Date Title
JP5651604B2 (en) Air sterilization and cleaning device, and breath gas sterilization and cleaning device, indoor air sterilization and cleaning device, and simple isolation device using the same
CN110465154A (en) A kind of novel smog filtration purifier and application method
CN108837172A (en) The isolated disinfection diagnosis and treatment table equipment of one kind and its application method
JP3924589B2 (en) Air cleaner
US20210275713A1 (en) Personal air purification mask sterilizing insert
CN111795448A (en) Intelligent air disinfection and purification system for closed space
US12059586B2 (en) Wireless rechargeable and portable anti-microbial respirator
CN215723970U (en) Breathe ward air purification device for internal medicine nursing
US10953126B1 (en) EVADE system (Externally Vented Aerosol and Droplet Evacuation System)
CN109249109A (en) A kind of environment-friendly type scolding tin exhaust gas exhaust system
CN213841250U (en) Air sterilizer for medical treatment
CN208652969U (en) A kind of cardiac intensive care unit air disinfection device
CN205360042U (en) Fungus cabinet is poisoned to dual -purpose going out of operating room
CN208253819U (en) Indoor gas clarifier
CN112618980A (en) Hospital infectious department purifies formula and breathes nursing device
CN112797555A (en) Medical air purification system based on optical medium sterilization
JP7478436B2 (en) Air Purifier
CN110841384A (en) Adsorption treatment system and treatment method based on oral diagnosis and treatment splashes
CN215175773U (en) Self-cleaning operating room capable of monitoring environmental parameters in real time
CN214086080U (en) Nursing medical waste storage device
CN214104729U (en) Oral treatment suction machine with multi-stage filtration
CN212440492U (en) Multifunctional self-cleaning hospital air purification system
CN116440606B (en) A filter equipment for breathing machine
CN217340608U (en) Equipment for reducing infection risk in hospital and detecting infection risk of sampling point
CN212940754U (en) Air sterilizing device

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