CN110227302A - A kind of medical treatment aseptic operating room filter device - Google Patents
A kind of medical treatment aseptic operating room filter device Download PDFInfo
- Publication number
- CN110227302A CN110227302A CN201910407815.4A CN201910407815A CN110227302A CN 110227302 A CN110227302 A CN 110227302A CN 201910407815 A CN201910407815 A CN 201910407815A CN 110227302 A CN110227302 A CN 110227302A
- Authority
- CN
- China
- Prior art keywords
- filter
- cabinet
- operating room
- flow generating
- ultraviolet sterilization
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/91—Bacteria; Microorganisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2271/00—Sealings for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2271/02—Gaskets, sealings
Abstract
The present invention relates to a kind of medical aseptic operating room filter devices, including cabinet, cover board and sealing ring, it is characterized by: being equipped with mounting hole outside the cabinet, the box house offers mounting groove, it is equipped with inside the mounting groove except filter, ultraviolet sterilization apparatus, high efficiency particulate air filter, air lock gas flow generating device and laminar flow generating means, the side except filter is provided with ultraviolet sterilization apparatus, the ultraviolet sterilization apparatus is equipped with high efficiency particulate air filter far from the side except filter, the high efficiency particulate air filter is equipped with air lock gas flow generating device and laminar flow generating means far from the side of the ultraviolet sterilization apparatus, the cover board is connect by shaft with the body pivot.Connection is engaged between the medical treatment aseptic operating room filter device threaded rod and supporting leg for screw thread, the stretching total length of the two can be adjusted in such a way that screw thread engages, so that device can be well adapted for the ground of different height when being installed.
Description
Technical field
The present invention relates to technical field of medical equipment, specially a kind of medical aseptic operating room filter device.
Background technique
It generally requires quickly to establish the aseptic operating room being isolated from the outside in rescue scene and the wounded is treated or are isolated,
To prevent wounded's wound infection life-threatening, aseptic operating room generally includes main cabin and air lock, needs to be equipped with corresponding
Sterilised filtration equipment to carry out sterilizing to the environment in cabin and air lock.
Current aseptic operating room is the laminar flow filter device by using the circulating direction that can control air-flow mostly, makes cabin
Indoor formation positive pressure environment, form one tiny, thin layer air-flow makes air-flow from cleaning with uniform flow velocity to same direction
The low region of high field flow orientation cleanliness is spent, dust granules (grit) and bacterium in air-flow are taken away and be discharged, is kept in cabin
Environment is not contaminated, it is existing medical treatment aseptic operating room with filter device when being attached with tent or interim operating room,
Its air inlet side is usually unable to tent etc. and closely connects, and needs subsequent processing to be just able to achieve sealing, thus to whole device
Installation speed impact, and it is inconvenient the level of device is adjusted so that device needs to grow during installation
Time carries out horizontal adjustment, inconvenient for use.
Summary of the invention
The purpose of the present invention is to provide a kind of medical aseptic operating room filter devices, are mentioned with solving above-mentioned background technique
Air inlet side out is usually unable to tent etc. and closely connects, and subsequent processing is needed just to be able to achieve sealing, thus to entire dress
The installation speed set impacts, and the level of device is adjusted in inconvenience, so that device needs during installation
Horizontal adjustment, problem inconvenient for use are carried out for a long time.
To achieve the above object, the invention provides the following technical scheme: a kind of medical treatment aseptic operating room filter device, packet
Include cabinet, cover board and sealing ring, it is characterised in that: mounting hole is installed, the box house offers peace outside the cabinet
Tankage is equipped with except filter, ultraviolet sterilization apparatus, high efficiency particulate air filter, air lock gas flow generating device inside the mounting groove
With laminar flow generating means, the side except filter is provided with ultraviolet sterilization apparatus, and the ultraviolet sterilization apparatus is far from institute
It states except the side of filter is equipped with high efficiency particulate air filter, the high efficiency particulate air filter is installed far from the side of the ultraviolet sterilization apparatus
There are air lock gas flow generating device and laminar flow generating means, the air lock gas flow generating device is located at the laminar flow generating means
Upper end, the cover board connect by shaft with the body pivot, and the sealing ring is set to the outside of cabinet, the sealing
The outside of circle is provided with valve inside, and air inlet hole is equipped on the inside of the sealing ring, and the air inlet hole is opened on the outside of cabinet, and
It is fixed between the air inlet hole and the cabinet for bolt, the cabinet is provided with air outlet far from the side of the air inlet hole,
Wherein,
The bottom of the cabinet is fixed with supporting leg, and the lower end of the support leg is provided with threaded rod, the threaded rod lower end
Bottom is connected by first bearing with fixed bottom plate, is equipped with level(l)ing mechanism, the level at the top of the fixed bottom plate
One end that regulating mechanism runs through fixed bottom plate is connected by rotary shaft with movable floor.
Preferably, the mounting hole is provided with four groups altogether, and mounting hole described in four groups is symmetrically distributed in the outside of cabinet.
Preferably, described to remove filter, ultraviolet sterilization apparatus, high efficiency particulate air filter, air lock gas flow generating device and laminar flow
Handle is provided with outside generating means, and described except filter, ultraviolet sterilization apparatus, high efficiency particulate air filter, air lock air-flow are raw
T-shaped slide rail, the T-shaped slide rail external dimensions and the box house are provided at device and laminar flow generating means upper and lower ends
Mounting groove upper and lower ends inside dimensions match.
Preferably, the sealing ring is rubber material, and it is hollow structure that it is internal, and the sealing ring is close to air inlet hole
It is flat inside side.
Preferably, the supporting leg is provided with four groups altogether, and supporting leg described in four groups is respectively arranged at the bottom of the cabinet
Quadrangle, and be internal thread structure inside the supporting leg.
Preferably, supporting leg internal female structure described in the external thread structure domain of the threaded rod is meshed.
Preferably, be mounted on two groups on the fixation bottom plate of supporting leg bottom described in every group described in level(l)ing mechanism, and
Level(l)ing mechanism described in two groups is symmetrical about the central axes of the supporting leg.
Preferably, the level(l)ing mechanism includes main body, adjusts bolt, second bearing, adjusting rod, limiting slot and limit
Block, the body openings end are connected by second bearing with bolt is adjusted, and are run through inside the second bearing and adjusting bolt
There is adjusting rod, side of the adjusting rod far from second bearing is through one end of main body, and the adjusting rod is far from second bearing
One end rotary shaft is installed, described adjusting rod one end is threaded rod, and the other end is polished rod, is set between the threaded rod and polished rod
It is equipped with limited block, the limited block is located inside limiting slot, and limiting slot is opened in the inside of main body.
Preferably, the movable floor bottom is laciniation.
Compared with prior art, the beneficial effects of the present invention are: the medical treatment aseptic operating room filter device:
1. being provided with sealing ring, sealing ring is rubber material, and it is hollow structure that it is internal, and sealing ring is close to air inlet hole
Be inside side it is flat, air inlet hole, sealing ring and cabinet can be carried out by bolt in the installation process for carrying out device
Connection, can either realize the purpose that three is fixed, while can play certain sealing effect again, and passing through gas
Door core enables to the outer diameter of sealing ring to become larger when being inflated to sealing ring, so as to well with the connectors such as tent into
Row connection sealing, to effectively reduce the installation difficulty of device；
It, being capable of stretching by way of screw thread engagement to the two 2. engage connection between threaded rod and supporting leg for screw thread
Total length is adjusted, so that device can be well adapted for the ground of different height when being installed；
3. being additionally provided with level(l)ing mechanism simultaneously, bolt can be adjusted by rotation, make it through second bearing progress
Rotation, so that adjusting rod passes through, limited block is moved along limiting slot, so that being located at the adjusting rod of body interior
It moves up and down, and then the component for enabling to smooth bar part to drive lower end is moved, then cooperates the Level tune machine of the other end
Structure makes the movable floor of lower end be able to carry out activity, and then can be well adapted for the level on ground, and passes through zigzag knot
Structure is fixed well.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is side structure schematic view of the present invention；
Fig. 3 is ring structure schematic diagram of the present invention；
Fig. 4 is supporting leg of the present invention and threaded rod connecting pin partial enlargement structural representation；
Fig. 5 is partial enlargement structural representation at A in Fig. 4 of the present invention；
Fig. 6 is level(l)ing mechanism structural schematic diagram of the present invention.
In figure: 1, cabinet；2, mounting hole；3, filter is removed；4, ultraviolet sterilization apparatus；5, high efficiency particulate air filter；6, air lock
Gas flow generating device；7, laminar flow generating means；8, handle；9, cover board；10, sealing ring；11, supporting leg；12, threaded rod；13, water
Flat regulating mechanism；1301, main body；1302, bolt is adjusted；1303, second bearing；1304, adjusting rod；1305, limiting slot；
1306, limited block；14, first bearing；15, movable floor；16, fixed bottom plate；17, air inlet hole；18, valve inside；19, it rotates
Axis；20, air outlet.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-6 is please referred to, the present invention provides a kind of technical solution: a kind of medical treatment aseptic operating room filter device, including
Cabinet 1, mounting hole 2 remove filter 3, ultraviolet sterilization apparatus 4, high efficiency particulate air filter 5, air lock gas flow generating device 6, laminar flow life
At device 7, handle 8, cover board 9, sealing ring 10, supporting leg 11, threaded rod 12, level(l)ing mechanism 13, first bearing 14, activity
Bottom plate 15, fixed bottom plate 16, air inlet hole 17, valve inside 18, rotary shaft 19 and air outlet 20, it is characterised in that: outside the cabinet 1
Portion is equipped with mounting hole 2, and mounting groove is offered inside the cabinet 1, is equipped with inside the mounting groove except filter 3, ultraviolet light
Sterilizing unit 4, high efficiency particulate air filter 5, air lock gas flow generating device 6 and laminar flow generating means 7, the side except filter 3 are set
It is equipped with ultraviolet sterilization apparatus 4, the ultraviolet sterilization apparatus 4 is equipped with high efficiency particulate air filter far from the side except filter 3
5, the high efficiency particulate air filter 5 is equipped with air lock gas flow generating device 6 and laminar flow far from the side of the ultraviolet sterilization apparatus 4
Generating means 7, the air lock gas flow generating device 6 are located at the upper end of the laminar flow generating means 7, and the cover board 9 is by turning
Axis and the cabinet 1 are rotatablely connected, and the sealing ring 10 is set to the outside of cabinet 1, and the outside of the sealing ring 10 is provided with
Valve inside 18, the inside of the sealing ring 10 are equipped with air inlet hole 17, and the air inlet hole 17 is opened in 1 outside of cabinet, and described
It is fixed between air inlet hole 17 and the cabinet 1 for bolt, the cabinet 1 is provided with air outlet far from the side of the air inlet hole 17
20, wherein
The bottom of the cabinet 1 is fixed with supporting leg 11, and the lower end of the support leg 11 is provided with threaded rod 12, the screw thread
12 lower end base of bar is connected by first bearing 14 with fixed bottom plate 16, is equipped with Level tune at the top of the fixed bottom plate 16
Mechanism 13, one end that the level(l)ing mechanism 13 runs through fixed bottom plate 16 are connected by rotary shaft 19 with movable floor 15.
Further, the mounting hole 2 is provided with four groups altogether, and mounting hole 2 described in four groups is symmetrically distributed in the outer of cabinet 1
Side.
Further, described to remove filter 3, ultraviolet sterilization apparatus 4, high efficiency particulate air filter 5, air lock gas flow generating device 6
Be provided with handle 8 outside laminar flow generating means 7, and described remove filter 3, ultraviolet sterilization apparatus 4, high efficiency particulate air filter 5, gas
Lock chamber gas flow generating device 6 and 7 upper and lower ends of laminar flow generating means are provided with T-shaped slide rail, the T-shaped slide rail external dimensions with
The 1 inside mounting groove upper and lower ends inside dimensions of cabinet match, convenient to dismantle to internal component, and then can be square
Just it carry out demolition and replacement to it.
Further, the sealing ring 10 is rubber material, and it is hollow structure that it is internal, the sealing ring 10 close into
Be inside the side of air holes 17 it is flat, can be by bolt to air inlet hole 17, sealing ring in the installation process for carrying out device
10 and cabinet 1 be attached, can either realize the purpose that three is fixed, while certain sealing effect can be played again
Fruit, and enable to the outer diameter of sealing ring 10 to become larger when being inflated by valve inside 18 to sealing ring 10, so as to
It is attached sealing with connectors such as tents well, to effectively reduce the installation difficulty of device.
Further, the supporting leg 11 is provided with four groups altogether, and supporting leg 11 described in four groups is respectively arranged at the cabinet 1
Bottom four corners, and inside the supporting leg 11 be internal thread structure.
Further, 11 internal female structure of supporting leg described in the external thread structure domain of the threaded rod 12 is meshed,
The stretching total length of the two can be adjusted in such a way that screw thread engages, so that device can when being installed
It is well adapted for the ground of different height.
Further, be mounted on two groups on the fixation bottom plate 16 of 11 bottom of supporting leg described in every group described in Level tune machine
Structure 13, and level(l)ing mechanism 13 described in two groups is symmetrical about the central axes of the supporting leg 11.
Further, the level(l)ing mechanism 13 includes main body 1301, adjusts bolt 1302, second bearing 1303, adjusts
Pole 1304, limiting slot 1305 and limited block 1306,1301 open end of main body is by second bearing 1303 and adjusts bolt
1302 are connected, and running through inside the second bearing 1303 and adjusting bolt 1302 has adjusting rod 1304, the adjusting rod 1304
Far from second bearing 1303 side through one end of main body 1301, the adjusting rod 1304 far from second bearing 1303 one
End is equipped with rotary shaft 19, and described 1304 one end of adjusting rod is threaded rod, and the other end is polished rod, between the threaded rod and polished rod
It is provided with limited block 1306, the limited block 1306 is located inside limiting slot 1305, and limiting slot 1305 is opened in main body 1301
Inside, bolt 1302 is adjusted by rotation, second bearing 1303 is made it through and is rotated, so that adjusting rod 1304 is logical
Cross, limited block 1306 is moved along limiting slot 1305 so that be located at main body 1301 inside about 1304 adjusting rod
It is mobile, and then the component for enabling to smooth bar part to drive lower end is moved, then cooperates the level(l)ing mechanism 13 of the other end
So that the movable floor 15 of lower end is able to carry out activity, and then it can be well adapted for the level on ground, and pass through zigzag knot
Structure is fixed well.
Further, 15 bottom of movable floor is laciniation.
Working principle: when using the medical treatment aseptic operating room filter device, first should structure to the device into
Row is simple to be understood, and adjusts bolt 1302 by rotation when then installing to device, make it through second bearing 1303 into
Row rotation, so that adjusting rod 1304 passes through, limited block 1306 is moved along limiting slot 1305, so that being located at master
Adjusting rod 1304 inside body 1301 moves up and down, and then the component for enabling to smooth bar part to drive lower end is moved, then
The level(l)ing mechanism 13 of the cooperation other end makes the movable floor 15 of lower end be able to carry out activity, and then can be well adapted for
The level on ground, and being fixed well by laciniation, then again by the operating rooms such as air inlet hole 17 and tent into
Air port enables to the outer diameter of sealing ring 10 to become larger it when being then inflated by valve inside 18 to sealing ring 10, thus
It can be good at being attached sealing with connectors such as tents, to effectively reduce the installation difficulty of device, while can also
Enough device is fixed by mounting hole 2, later just can the normal use device, need to ultraviolet sterilization apparatus 4,
High efficiency particulate air filter 5, air lock gas flow generating device 6, laminar flow generating means 7, which carry out cleaning replacement, then need to only open cover board 9 just
It can be pulled out by handle 8, here it is the entire use processes of the device.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (9)
1. a kind of medical treatment aseptic operating room filter device, including cabinet (1), cover board (9) and sealing ring (10), feature exists
In: it is equipped with mounting hole (2) outside the cabinet (1), offers mounting groove inside the cabinet (1), inside the mounting groove
It is equipped with except filter (3), ultraviolet sterilization apparatus (4), high efficiency particulate air filter (5), air lock gas flow generating device (6) and laminar flow are raw
At device (7), the side except filter (3) is provided with ultraviolet sterilization apparatus (4), and the ultraviolet sterilization apparatus (4) is remote
It is equipped with high efficiency particulate air filter (5) from the side except filter (3), the high efficiency particulate air filter (5) is far from the ultraviolet sterilization
The side of device (4) is equipped with air lock gas flow generating device (6) and laminar flow generating means (7), and the air lock air-flow generates
Device (6) is located at the upper end of the laminar flow generating means (7), and the cover board (9) is connected by shaft and the cabinet (1) rotation
It connects, the sealing ring (10) is set to the outside of cabinet (1), and the outside of the sealing ring (10) is provided with valve inside (18), institute
It states and is equipped on the inside of sealing ring (10) air inlet hole (17), the air inlet hole (17) is opened on the outside of cabinet (1), and the air inlet
It is fixed between hole (17) and the cabinet (1) for bolt, the cabinet (1) is provided with out far from the side of the air inlet hole (17)
Air port (20), wherein
The bottom of the cabinet (1) is fixed with supporting leg (11), and the lower end of the support leg (11) is provided with threaded rod (12), described
Threaded rod (12) lower end base is connected by first bearing (14) with fixed bottom plate (16), peace at the top of the fixed bottom plate (16)
Equipped with level(l)ing mechanism (13), one end that the level(l)ing mechanism (13) runs through fixed bottom plate (16) passes through rotary shaft (19)
It is connected with movable floor (15).
2. a kind of medical aseptic operating room filter device according to claim 1, it is characterised in that: the mounting hole
(2) it is provided with four groups altogether, mounting hole described in four groups (2) is symmetrically distributed in the outside of cabinet (1).
3. a kind of medical aseptic operating room filter device according to claim 1, it is characterised in that: described to remove filter
(3), ultraviolet sterilization apparatus (4), high efficiency particulate air filter (5), air lock gas flow generating device (6) and laminar flow generating means (7) are outside
Portion is provided with handle (8), and described except filter (3), ultraviolet sterilization apparatus (4), high efficiency particulate air filter (5), air lock air-flow
Generating means (6) and laminar flow generating means (7) upper and lower ends are provided with T-shaped slide rail, the T-shaped slide rail external dimensions with it is described
The internal mounting groove upper and lower ends inside dimensions of cabinet (1) match.
4. a kind of medical aseptic operating room filter device according to claim 1, it is characterised in that: the sealing ring
It (10) is rubber material, and it is hollow structure that it is internal, the sealing ring (10) is flat inside the side of air inlet hole (17)
It is flat-shaped.
5. a kind of medical aseptic operating room filter device according to claim 1, it is characterised in that: the supporting leg
(11) it is provided with four groups altogether, supporting leg described in four groups (11) is respectively arranged at the bottom four corners of the cabinet (1), and the support
It is internal thread structure inside leg (11).
6. a kind of medical aseptic operating room filter device according to claim 1, it is characterised in that: the threaded rod
(12) supporting leg (11) internal female structure described in external thread structure domain is meshed.
7. a kind of medical aseptic operating room filter device according to claim 5, it is characterised in that: supported described in every group
Level(l)ing mechanism (13) described in being mounted on two groups on the fixation bottom plate (16) of leg (11) bottom, and Level tune described in two groups
Mechanism (13) is symmetrical about the central axes of the supporting leg (11).
8. a kind of medical aseptic operating room filter device according to claim 1, it is characterised in that: the Level tune
Mechanism (13) includes main body (1301), adjusts bolt (1302), second bearing (1303), adjusting rod (1304), limiting slot
(1305) and limited block (1306), main body (1301) open end pass through second bearing (1303) and adjusting bolt (1302) phase
Running through inside connection, the second bearing (1303) and adjusting bolt (1302) has adjusting rod (1304), the adjusting rod
(1304) side far from second bearing (1303) is through one end of main body (1301), and the adjusting rod (1304) is far from second
One end of bearing (1303) is equipped with rotary shaft (19), and described adjusting rod (1304) one end is threaded rod, and the other end is polished rod, institute
It states and is provided between threaded rod and polished rod limited block (1306), the limited block (1306) is located at limiting slot (1305) inside, and
Limiting slot (1305) is opened in the inside of main body (1301).
9. a kind of medical aseptic operating room filter device according to claim 1, it is characterised in that: the movable floor
(15) bottom is laciniation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910407815.4A CN110227302A (en) | 2019-05-16 | 2019-05-16 | A kind of medical treatment aseptic operating room filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910407815.4A CN110227302A (en) | 2019-05-16 | 2019-05-16 | A kind of medical treatment aseptic operating room filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110227302A true CN110227302A (en) | 2019-09-13 |
Family
ID=67861376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910407815.4A Pending CN110227302A (en) | 2019-05-16 | 2019-05-16 | A kind of medical treatment aseptic operating room filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110227302A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706932A (en) * | 2020-06-18 | 2020-09-25 | 浙江省现代建筑设计研究院有限公司 | Air sterilization filter equipment |
| CN114484635A (en) * | 2022-03-03 | 2022-05-13 | 四川川净洁净技术股份有限公司 | Intelligent control system for modular disinfection air lock chamber of clean room |
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| CN207805315U (en) * | 2018-01-09 | 2018-09-04 | 广东汇鹏环保科技有限公司 | A kind of UV photodissociation and the case integrated processing equipment of activated carbon |
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| CN101265870A (en) * | 2008-05-07 | 2008-09-17 | 天津市天发重型水电设备制造有限公司 | Hydroturbine possessing cylinder-shaped valve upper end surface seal |
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| CN111706932A (en) * | 2020-06-18 | 2020-09-25 | 浙江省现代建筑设计研究院有限公司 | Air sterilization filter equipment |
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| CN114484635A (en) * | 2022-03-03 | 2022-05-13 | 四川川净洁净技术股份有限公司 | Intelligent control system for modular disinfection air lock chamber of clean room |
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Application publication date: 20190913 |
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| RJ01 | Rejection of invention patent application after publication |