CN108168005A - Purification ventilation duct through walls - Google Patents
Purification ventilation duct through walls Download PDFInfo
- Publication number
- CN108168005A CN108168005A CN201711440555.8A CN201711440555A CN108168005A CN 108168005 A CN108168005 A CN 108168005A CN 201711440555 A CN201711440555 A CN 201711440555A CN 108168005 A CN108168005 A CN 108168005A
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- air
- ventilation duct
- filter screen
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of purification ventilation ducts through walls, including ventilation duct and filter device, the ventilation duct includes first segment ventilation duct and second segment ventilation duct, and the filter device includes filter screen and filter screen mounting shell, and the filter screen mounting shell includes the identical half mounting shell of two structures；The both ends of the filter screen mounting shell are equipped with external screw thread, and one end of the first segment ventilation duct is equipped with the first mounting cup, and one end of the second segment ventilation duct is equipped with the second mounting cup.The present invention provides a kind of purification ventilation duct through walls, can not only keep the cleannes of ventilation duct, extends the service life of ventilation duct, saves cost, while can effectively improve the use environment of air purifier, improve indoor air quality；And filter screen, by extending the filtration channel of filter screen, so as to improve the time of contact of gas and filter screen, the purification efficiency for making filter screen is high.
Description
Technical field
The invention belongs to gas purification and ventilation equipment accessories field, more particularly to a kind of purification ventilation duct through walls.
Background technology
Air purifier is to refer to adsorb, decompose or convert the pollutant in various air, effectively improves room air
The product of cleannes.At home, medical treatment, industrial circle have an application, house field using the Household Air Purifier of unit class as
The main product in market.Most important function is the particulate matter removed in air, including anaphylactogen, indoor PM2.5 etc., simultaneously
It can also solve to ask due to interior caused by finishing or other reasons, the underground space, interior volatile organic matter air pollution
Topic.The characteristics of having persistence and uncertainty due to the release of the space Air Contamination object of relative closure, use air
It is one of internationally recognized method for improving indoor air quality that clarifier, which purifies the air of a room,.
Outdoor ozone is sent into interior, while will be indoor dirty by air purifier by ventilation shaft by filtering
Turbid air discharge is outdoor, long-play, has dust cumulative in the ventilation shaft of air purifier and is difficult to clear up, it is fixed to need
Phase replaces ventilation duct, improves use cost.If carrying out effectively purifying and sterilizing before air is got in, can not only protect
The cleannes of ventilation duct are held, extend the service life of ventilation duct, save cost, while can effectively improve air purifier
Use environment improves indoor air quality.
Number of patent application is the Chinese patent of CN200510130459.4, and patent name is：A kind of simple nature fresh-air
Admitting-into-room device is disclosed including ventilation duct, shutter and airstrainer, and shutter is mounted on the outer end of ventilation duct, empty
Gas filter screen is loaded on the cross section in ventilation duct, although solving the problems, such as room ventilation, poor filtration effect.
Invention content
The present invention solves the technical problem of:A kind of purification ventilation duct through walls is provided, can not only keep ventilation duct
Cleannes, extend the service life of ventilation duct, save cost, while can effectively improve air purifier uses ring
Indoor air quality is improved in border；And the filter screen set in pipe, it is reasonable in design, by extending the filtration channel of filter screen,
So as to improve the time of contact of gas and filter screen, the purification efficiency for making filter screen is high.
In order to solve the above technical problems, one aspect of the present invention is：A kind of purification ventilation duct through walls, including
Ventilation duct and filter device, the ventilation duct include first segment ventilation duct and second segment ventilation duct, the first segment ventilation duct
One end leads to the outdoor and other end across wall and connects second segment ventilation duct by filter device, and the filter device includes filtering
Net and filter screen mounting shell, the filter screen mounting shell include the identical half mounting shell of two structures, two half peaces
Dress shell forms the installation cavity that can accommodate filter screen after being closed；The both ends of the filter screen mounting shell are equipped with external screw thread, and described the
One section of ventilation duct is equipped with the first mounting cup close to one end of filter device, and the second segment ventilation duct is close to one end of filter device
Equipped with the second mounting cup, first and second mounting cup can respectively along the length direction of first and second section of ventilation duct slide and
First and second section of ventilation duct is not departed from, is all equipped with what is matched with the external screw thread of filter screen mounting shell in first and second mounting cup
Internal thread, in use, the both ends after two half mounting shells fastenings are inserted into first and second mounting cup and pass through internal and external screw thread respectively
It tightens；
The filter screen including section is circular air intake surface, section is circular outlet air surface and several filtration channels,
One end of the filtration channel connect with the air intake surface and air intake surface formed air inlet, the other end of the filtration channel with
The outlet air surface connects and forms air outlet in outlet air surface；
The center of the air intake surface is equipped with the first air inlet hole, and the periphery of first air inlet hole is equidistant equipped with multilayer successively
The air inlet ring of arrangement, every layer of air inlet ring are all made of multiple second air inlet holes, and the center of circle of all second air inlet holes of same layer is all
Positioned at same circumference；All air inlet rings are all round and are concentric circles；First air inlet with all described second into
Air holes collectively forms air inlet；
The center of the outlet air surface is equipped with the first exhaust vent, and the periphery of first exhaust vent is equidistant equipped with multilayer successively
The air outlet ring of arrangement, every layer of air outlet ring are all made of multiple second exhaust vents, and the center of circle of all second exhaust vents of same layer is all
Positioned at same circumference；All air outlet rings are all round and are concentric circles；First exhaust vent goes out with all described second
Air holes collectively forms air outlet；
The filtration channel that first air inlet hole is connect with first exhaust vent is the first filtration channel；Position is corresponding
The filtration channel that is connect with the second exhaust vent of the second air inlet hole be the second filtration channel；
First filtration channel includes the first wind inlet section, the first fillter section and the first wind outlet section, first fillter section
One end connected with first wind inlet section and the other end is connected with first wind outlet section；
All second filtration channels all include the second wind inlet section, the second fillter section and the second wind outlet section, described second
One end of fillter section is connected with second wind inlet section and the other end is connected with second wind outlet section, and second fillter section is
Arc bend, all arc bends are all the arc core of the arc bend of evagination and all arc bends to the first filtering
Channel is drawn close, by filter screen central axis and the arc cores of all arc bends in being generally aligned in the same plane be located at always
Line, the same straight line and the central axis upright；
First wind inlet section and all second wind inlet sections collectively form filter screen wind inlet section；First wind outlet section
Filter screen wind outlet section is collectively formed with all second wind outlet sections；First fillter section and all second fillter sections are total to
With composition filter screen filtration section；
By all second air inlet holes of the corresponding same layer air inlet ring in position and all second exhaust vents of same air outlet ring
The midpoint of all second fillter sections of connection is located at same circumference；Outermost layer air inlet ring connect with outermost layer air outlet ring second
Filtration channel is outermost layer filtration channel, and the outermost layer filtration channel includes outermost layer fillter section；
All second wind inlet sections, all second fillter sections and all second wind outlet sections are equidistantly flat respectively
Row setting.
It further says, first air inlet hole, second air inlet hole, first exhaust vent and second outlet air
Hole is all the structure air-permeating hole identical with shape, and the air-permeating hole is circular hole；
The hole heart of the adjacent air-permeating hole is away from identical, and the hole heart is away from 1-1.5 times for air-permeating hole aperture.
It further says, the air intake surface first circle identical for size with the section of the outlet air surface；
The midpoint of all outermost layer fillter sections is all located at the second circular circumference, second circular a diameter of institute
State the first circular diameter 1.5-2 times.
Further say, between second fillter section and second wind inlet section and second fillter section with it is described
Changeover portion is respectively equipped between second wind outlet section, the changeover portion is the arc of indent.
It further says, first fillter section is helical form.
It further says, the length of the filter screen wind inlet section, the filter screen wind outlet section and the filter screen filtration section
It is all identical.
It further says, the filter screen wind inlet section is identical with the length of the filter screen wind outlet section, the filter screen mistake
Filter 1.5-2 times of the length of section for the length of filter screen inlet/outlet air section.
It further says, the position of the fastening of two half mounting shells is all equipped with sealing ring.
Further say, the both ends of the filter screen mounting shell and with the connection of first mounting cup and the second mounting cup
Place is all equipped with sealing ring.
It further says, one end that the first segment ventilation duct is located outside is equipped with outdoor air inlet, the outdoor air inlet
Mouth is set as grid-like；The outdoor air inlet is equipped with blast cap.
Beneficial effects of the present invention at least have the following：
First, filter device in ventilation duct is set in the present invention, can not only keeps the cleannes of ventilation duct, extend ventilation
The service life of pipe saves cost, while can effectively improve the use environment of air purifier, improve Interior Space makings
Amount；
2nd, filter device includes filter screen and filter screen mounting shell in the present invention, and filter screen mounting shell includes two structures
Identical half mounting shell, the both ends of filter screen mounting shell are equipped with external screw thread, and first and second section of ventilation duct is respectively equipped with first and second
Mounting cup is all equipped with the internal thread to match with external screw thread in first and second mounting cup, in use, two half mounting shells fasten
Both ends afterwards are inserted into first and second mounting cup and are tightened by internal and external screw thread respectively；Mounting shell is designed as two half installations
Shell, installation is simple, easy to use；
3rd, the filter screen in the present invention including section is circular air intake surface, section is circular outlet air surface and several
Filtration channel, filtration channel connection air intake surface and outlet air surface, air intake surface include the first air inlet hole and several second air inlet holes, own
Second air inlet hole is arranged layer by layer around the first air inlet hole, and outlet air surface includes the first exhaust vent and the second exhaust vent, and all second go out
Air holes is arranged layer by layer around the first exhaust vent, and first and second air inlet hole and first and second exhaust vent are all that structure is identical with shape
Circular hole, the rigidity that entire filter screen is effectively supported into and out of air holes of marshalling；First and second filtration channel respectively includes
First, two wind inlet sections, first and second fillter section and first and second wind outlet section, the first fillter section positioned at center are designed as helical form, position
The second fillter section in the first fillter section periphery is designed as arc bend, effectively extends gas by path, increase gas with it is cold
The time of contact of catalyst improves clean-up effect；The midpoint of all outermost layer fillter sections is all located at the second circular circumference, the second circle
1-1.5 times of the diameter in a diameter of inlet/outlet air face of shape, while the length of filter screen filtration section is filter screen inlet/outlet air section
1-2 times, while filtering thickness of net is not increased excessively, extend as far as possible filtration path increases contact of the gas with cold catalyst
Time is conducive to save material, so as to save cost；
4th, the position of fastening of two half mounting shells and the both ends and first and second of filter screen mounting shell in the present invention
The junction of mounting cup is all equipped with sealing ring, can prevent outdoor ozone from being leaked out from ventilation duct, influence the net of clarifier
Change efficiency.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structure diagram of the filter screen of the present invention；
Fig. 3 is the structure diagram in A-A directions in Fig. 2；
Fig. 4 is the structure diagram of the first filtration channel of the present invention；
Fig. 5 is the structure diagram of the second filtration channel of the present invention；
Each section label is as follows in attached drawing：
Filter screen 1, air intake surface 11, the first air inlet hole 111, the second air inlet hole 112, outlet air surface 12, the first exhaust vent 121,
Second exhaust vent 122, filtration channel 13, the first filtration channel 131, the first wind inlet section 1311, the first fillter section 1312, first go out
Wind section 1313, the second filtration channel 132, the second wind inlet section 1321, the second fillter section 1322, the second wind outlet section 1323, outermost layer
Filtration channel 133, outermost layer fillter section 1332, strainer wind inlet section 134, strainer wind outlet section 135, filter screen filtration section 136, first
Round 14, second circle 15, changeover portion 16, first segment ventilation duct 2, the first mounting cup 21, the first locating part 22, second segment ventilation
Pipe 3, the second mounting cup 31, the second locating part 32, filter device 4 and half mounting shell 51.
Specific embodiment
The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Embodiment：A kind of purification ventilation duct through walls is as Figure 1-Figure 5, described logical including ventilation duct and filter device 4
Air hose includes first segment ventilation duct 2 and second segment ventilation duct 3, one end of the first segment ventilation duct pass through wall lead to outdoor and
The other end connects second segment ventilation duct by filter device, and the filter device includes filter screen 1 and filter screen mounting shell, described
Filter screen mounting shell includes the identical half mounting shell 51 of two structures, and two half mounting shells are formed and can be held after being closed
The installation cavity of Nano Filtration net；The both ends of the filter screen mounting shell are equipped with external screw thread, and the first segment ventilation duct is filled close to filtering
The one end put is equipped with the first mounting cup 21, and the second segment ventilation duct is equipped with the second mounting cup 31 close to one end of filter device,
First and second mounting cup can slide respectively along the length direction of first and second section of ventilation duct and not depart from first and second section
Ventilation duct is all equipped with the internal thread to match with the external screw thread of filter screen mounting shell in first and second mounting cup, in use,
Both ends after two half mounting shells fastenings are inserted into respectively in first and second mounting cup is tightened by internal and external screw thread；
The filter screen 1 including section is circular air intake surface 11, section is circular outlet air surface 12 and several filterings
Channel 13, one end of the filtration channel connect with the air intake surface and form air inlet in air intake surface, the filtration channel
The other end connect with the outlet air surface and forms air outlet in outlet air surface；
The center of the air intake surface is equipped with the first air inlet hole 111, and the periphery of first air inlet hole is equipped with multilayer etc. successively
The air inlet ring of spacing arrangement, every layer of air inlet ring are all made of multiple second air inlet holes 112, all second air inlet holes of same layer
The center of circle is all located at same circumference；All air inlet rings are all round and are concentric circles；First air inlet hole with it is all described
Second air inlet hole collectively forms air inlet；
The center of the outlet air surface is equipped with the first exhaust vent 121, and the periphery of first exhaust vent is equipped with multilayer etc. successively
The air outlet ring of spacing arrangement, every layer of air outlet ring are all made of multiple second exhaust vents 122, all second exhaust vents of same layer
The center of circle is all located at same circumference；All air outlet rings are all round and are concentric circles；First exhaust vent with it is all described
Second exhaust vent collectively forms air outlet；
The filtration channel that first air inlet hole is connect with first exhaust vent is the first filtration channel 131；Position pair
The filtration channel that the second air inlet hole answered is connect with the second exhaust vent is the second filtration channel 132；
First filtration channel includes the first wind inlet section 1311, the first fillter section 1312 and the first wind outlet section 1313, institute
The one end for stating the first fillter section connects and the other end is connected with first wind outlet section with first wind inlet section；
All second filtration channels all include the second wind inlet section 1321, the second fillter section 1322 and the second wind outlet section
1323, one end of second fillter section is connected with second wind inlet section and the other end is connected with second wind outlet section, institute
The second fillter section is stated as arc bend, all arc bends are all the arc bend of evagination and all arc bends
Arc core is drawn close to the first filtration channel, by filter screen central axis and all arc bends in being generally aligned in the same plane arc
The heart is located at same straight line, the same straight line and the central axis upright；
First wind inlet section and all second wind inlet sections collectively form filter screen wind inlet section 134；Described first goes out
Wind section and all second wind outlet sections collectively form filter screen wind outlet section 135；First fillter section and all described second
Fillter section collectively forms filter screen filtration section 136；
By all second air inlet holes of the corresponding same layer air inlet ring in position and all second exhaust vents of same air outlet ring
The midpoint of second fillter section of all second filtration channels of connection is located at same circumference；Outermost layer air inlet ring and outermost layer outlet air
The second connected filtration channel of circle is outermost layer filtration channel 133, and the outermost layer filtration channel includes outermost layer fillter section
1332；
All second wind inlet sections, all second fillter sections and all second wind outlet sections are equidistantly flat respectively
Row setting.
First air inlet hole, second air inlet hole, first exhaust vent and second exhaust vent are all structure
The air-permeating hole identical with shape, the air-permeating hole are circular hole；
The hole heart of the adjacent air-permeating hole is away from identical, and the hole heart is away from 1-1.5 times for air-permeating hole aperture.
The air intake surface first circle 14 identical for size with the section of the outlet air surface；
The midpoint of all outermost layer fillter sections is all located at the circumference of the second circle 15, and described second is circular a diameter of
1.5-2 times of the first circular diameter.
Between second fillter section and second wind inlet section and second fillter section and second wind outlet section
Between be respectively equipped with changeover portion 16, the changeover portion is the arc of indent.
First fillter section 1312 is helical form.
One of specific embodiment of the present invention, the filter screen wind inlet section, the filter screen wind outlet section and the filtering
The length of net filtration section is all identical.
The length phase of the two of the specific embodiment of the present invention, the filter screen wind inlet section and the filter screen wind outlet section
Together, 1.5-2 times for the length of filter screen wind inlet section or filter screen wind outlet section of the length of the filter screen filtration section.
The position of the fastening of two half mounting shells is all equipped with sealing ring.
The both ends of the filter screen mounting shell and with the junction of first mounting cup and the second mounting cup all be equipped with it is close
Seal.
One end that the first segment ventilation duct is located outside is equipped with outdoor air inlet, and the outdoor air inlet is set as grid
Shape；The outdoor air inlet is equipped with blast cap.
The other end of the separate filter device of the second segment ventilation duct is equipped with the valve for adjusting intake.
First mounting cup is identical with the structure of second mounting cup.
The end of the first segment ventilation duct be equipped with the first locating part 22, first mounting cup for one end close and it is another
The cylindrical shape of end opening, the blind end of first mounting cup are equipped with the first circular hole, and first mounting cup passes through the first circular hole
It is placed on first segment ventilation duct and can be along the length direction of first segment ventilation duct in first locating part and the outdoor air inlet
It is slided between mouthful.
The end of the second segment ventilation duct is equipped with the second locating part, and second mounting cup is closed for one end and the other end
The cylindrical shape of opening, the blind end of second mounting cup are equipped with the second circular hole, and second mounting cup passes through the first circular hole set
It can lead to along the length direction of second segment ventilation duct in second locating part 32 in first segment ventilation duct and with the second segment
It is slided between the other end of the separate filter device of air hose.
The operation principle or the course of work of the present invention is as follows：
Filter device is set in the present invention in ventilation duct, and during the air of air purifier draw outside, extraneous air is first
It is tentatively filtered in ventilation duct, then enters back into air purifier, the cleannes of ventilation duct can be kept, extend ventilation duct
Service life, save cost, while can effectively improve air purifier use environment, improve indoor air quality.
The foregoing is merely the embodiment of the present invention, are not intended to limit the scope of the invention, every to utilize this hair
The equivalent structure transformation that bright specification and accompanying drawing content are made directly or indirectly is used in other related technical areas,
Similarly it is included within the scope of the present invention.
Claims (10)
1. a kind of purification ventilation duct through walls, it is characterised in that：Including ventilation duct and filter device (4), the ventilation duct includes the
The outdoor and other end is led in one section of ventilation duct (2) and second segment ventilation duct (3), one end of the first segment ventilation duct across wall
Second segment ventilation duct is connected by filter device, the filter device includes filter screen (1) and filter screen mounting shell, the filtering
Net mounting shell includes the identical half mounting shell (51) of two structures, and two half mounting shells are formed and can be accommodated after being closed
The installation cavity of filter screen；The both ends of the filter screen mounting shell are equipped with external screw thread, and the first segment ventilation duct is close to filter device
One end be equipped with the first mounting cup (21), the second segment ventilation duct close to one end of filter device be equipped with the second mounting cup
(31), first and second mounting cup can slide respectively along the length direction of first and second section of ventilation duct and not depart from the
First, two sections of ventilation ducts are all equipped with the internal thread to match with the external screw thread of filter screen mounting shell in first and second mounting cup,
In use, the both ends after two half mounting shells fastenings are inserted into first and second mounting cup and are tightened by internal and external screw thread respectively；
The filter screen (1) including section is circular air intake surface (11), section is circular outlet air surface (12) and several mistakes
Channel (13) is filtered, one end of the filtration channel connect with the air intake surface and forms air inlet in air intake surface, and the filtering is logical
The other end in road connect with the outlet air surface and forms air outlet in outlet air surface；
The center of the air intake surface is equipped with the first air inlet hole (111), and the periphery of first air inlet hole is equipped between multilayer etc. successively
Air inlet ring away from arrangement, every layer of air inlet ring are all made of multiple second air inlet holes (112), all second air inlet holes of same layer
The center of circle is all located at same circumference；All air inlet rings are all round and are concentric circles；First air inlet hole with it is all described
Second air inlet hole collectively forms air inlet；
The center of the outlet air surface is equipped with the first exhaust vent (121), and the periphery of first exhaust vent is equipped between multilayer etc. successively
Air outlet ring away from arrangement, every layer of air outlet ring are all made of multiple second exhaust vents (122), all second exhaust vents of same layer
The center of circle is all located at same circumference；All air outlet rings are all round and are concentric circles；First exhaust vent with it is all described
Second exhaust vent collectively forms air outlet；
The filtration channel that first air inlet hole is connect with first exhaust vent is the first filtration channel (131)；Position corresponds to
The filtration channel that is connect with the second exhaust vent of the second air inlet hole be the second filtration channel (132)；
First filtration channel includes the first wind inlet section (1311), the first fillter section (1312) and the first wind outlet section (1313),
One end of first fillter section is connected with first wind inlet section and the other end is connected with first wind outlet section；
All second filtration channels all include the second wind inlet section (1321), the second fillter section (1322) and the second wind outlet section
(1323), one end of second fillter section is connected with second wind inlet section and the other end is connected with second wind outlet section,
Second fillter section is arc bend, and all arc bends are all the arc bend of evagination and all arc bends
Arc core drawn close to the first filtration channel, by filter screen central axis and all arc bends in being generally aligned in the same plane
Arc core is located at same straight line, the same straight line and the central axis upright；
First wind inlet section and all second wind inlet sections collectively form filter screen wind inlet section (134)；First outlet air
Section and all second wind outlet sections collectively form filter screen wind outlet section (135)；First fillter section and all described second
Fillter section collectively forms filter screen filtration section (136)；
All second fillter sections connected with all second exhaust vents by all second air inlet holes of the corresponding same layer in position
Midpoint is located at same circumference；The second filtration channel that outermost layer air inlet ring is connect with outermost layer air outlet ring is logical for outermost layer filtering
Road (133), the outermost layer filtration channel include outermost layer fillter section (1332)；
All second wind inlet sections, all second fillter sections and all second wind outlet sections are equidistantly parallel respectively to be set
It puts.
2. purification ventilation duct through walls according to claim 1, it is characterised in that：First air inlet hole, described second into
Air holes, first exhaust vent and second exhaust vent are all the structure air-permeating hole identical with shape, and the air-permeating hole is circle
Hole；
The hole heart of the adjacent air-permeating hole is away from identical, and the hole heart is away from 1-1.5 times for air-permeating hole aperture.
3. purification ventilation duct through walls according to claim 1, it is characterised in that：The air intake surface is cut with the outlet air surface
Face first round (14) identical for size；
The midpoint of all outermost layer fillter sections is all located at the circumference of second round (15), second circular a diameter of institute
State the first circular diameter 1.5-2 times.
4. purification ventilation duct through walls according to claim 1, it is characterised in that：Second fillter section with described second into
Changeover portion (16) is respectively equipped between wind section and between second fillter section and second wind outlet section, the changeover portion is
The arc of indent.
5. purification ventilation duct through walls according to claim 1, it is characterised in that：First fillter section (1312) is spiral
Shape.
6. purification ventilation duct through walls according to claim 1, it is characterised in that：The filter screen wind inlet section, the filtering
The length of net wind outlet section and the filter screen filtration section is all identical.
7. purification ventilation duct through walls according to claim 1, it is characterised in that：The filter screen wind inlet section and the filtering
The length of net wind outlet section is identical, and the length of the filter screen filtration section is 1.5-2 times of the length of filter screen inlet/outlet air section.
8. purification ventilation duct through walls according to claim 1, it is characterised in that：The fastening of two half mounting shells
Position is all equipped with sealing ring.
9. purification ventilation duct through walls according to claim 1, it is characterised in that：The both ends of the filter screen mounting shell and with
The junction of first mounting cup and the second mounting cup is all equipped with sealing ring.
10. purification ventilation duct through walls according to claim 1, it is characterised in that：The first segment ventilation duct is located outside
One end be equipped with outdoor air inlet, the outdoor air inlet is set as grid-like；The outdoor air inlet is equipped with blast cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711440555.8A CN108168005B (en) | 2017-12-27 | 2017-12-27 | Through-wall purification ventilation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711440555.8A CN108168005B (en) | 2017-12-27 | 2017-12-27 | Through-wall purification ventilation pipe |
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| Publication Number | Publication Date |
|---|---|
| CN108168005A true CN108168005A (en) | 2018-06-15 |
| CN108168005B CN108168005B (en) | 2020-06-19 |
Family
ID=62522022
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711440555.8A Active CN108168005B (en) | 2017-12-27 | 2017-12-27 | Through-wall purification ventilation pipe |
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|---|---|
| CN (1) | CN108168005B (en) |
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| JP2001096111A (en) * | 1999-09-29 | 2001-04-10 | Ibiden Co Ltd | Porous silicon carbide sintered compact, honeycomb filter and ceramic filter aggregate |
| CN2503975Y (en) * | 2001-10-15 | 2002-08-07 | 辽阳育达教学设备有限公司 | Harm gas purifier for batoratory |
| CN103384558A (en) * | 2011-01-13 | 2013-11-06 | 高技术与膜工业公司 | Novel shape of filtering elements |
| CN103123157A (en) * | 2013-03-22 | 2013-05-29 | 广州朗思威环境科技股份有限公司 | Natural air inlet device simple to install |
| CN203525478U (en) * | 2013-07-19 | 2014-04-09 | 袁伟雄 | Air purification air flue |
| CN205002237U (en) * | 2015-08-05 | 2016-01-27 | 伯瑞（北京）室内环境科技有限公司 | Wall -hanging new trend clarifier |
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