CN108168005B - Through-wall purification ventilation pipe - Google Patents
Through-wall purification ventilation pipe Download PDFInfo
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- CN108168005B CN108168005B CN201711440555.8A CN201711440555A CN108168005B CN 108168005 B CN108168005 B CN 108168005B CN 201711440555 A CN201711440555 A CN 201711440555A CN 108168005 B CN108168005 B CN 108168005B
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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
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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
- 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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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a through-wall purification ventilation pipe, which comprises a ventilation pipe and a filtering device, wherein the ventilation pipe comprises a first section of ventilation pipe and a second section of ventilation pipe; the both ends of filter screen installation shell are equipped with the external screw thread, the one end of first section ventilation pipe is equipped with first installation cover, the one end of second section ventilation pipe is equipped with second installation cover. The through-wall purification ventilation pipe provided by the invention can keep the cleanliness of the ventilation pipe, prolong the service life of the ventilation pipe, save the cost, effectively improve the service environment of the air purifier and improve the indoor air quality; and the filter screen improves the contact time of gas and filter screen through the filtration passageway of extension filter screen to make the purification efficiency of filter screen high.
Description
Technical Field
The invention belongs to the field of accessories of gas purification and ventilation equipment, and particularly relates to a through-wall purification ventilation pipe.
Background
The air purifier is a product capable of adsorbing, decomposing or converting pollutants in various kinds of air and effectively improving the cleanliness of indoor air. The air purifier is applied to the fields of household, medical treatment and industry, and a single-machine household air purifier is a mainstream product in the market in the field of household. The most important function is to remove particulate matters in the air, including allergens, indoor PM2.5 and the like, and simultaneously, the problem of air pollution caused by volatile organic compounds in rooms, underground spaces and vehicles due to decoration or other reasons can be solved. Because of the persistent and uncertain nature of the release of airborne pollutants in relatively confined spaces, the use of air purifiers to purify indoor air is one of the internationally recognized methods of improving indoor air quality.
Air purifier passes through air pipe and sends outdoor fresh air into indoorly through filtering, and it is outdoor with indoor dirty air discharge simultaneously, long-time operation, there is the dirt amasss in air pipe of air purifier and just be difficult to the clearance, needs the periodic replacement ventilation pipe, improves use cost. If effectual purification and disinfect before the air gets into indoorly, not only can keep the cleanliness of ventilation pipe, the life of extension ventilation pipe saves the cost, can effectually improve air purifier's service environment simultaneously, improves indoor air quality.
Chinese patent with patent application No. CN200510130459.4, the patent names are: the utility model provides a succinct type nature new trend device of entering room, discloses including ventilation pipe, tripe window and airstrainer, and the tripe window is installed in the outer end of ventilation pipe, and airstrainer adorns on the cross section in the ventilation pipe, though has solved the problem of indoor ventilation, but the filter effect is poor.
Disclosure of Invention
The invention mainly solves the technical problems that the through-wall purification ventilation pipe can not only keep the cleanness of the ventilation pipe, prolong the service life of the ventilation pipe and save the cost, but also effectively improve the service environment of the air purifier and improve the indoor air quality; and the filter screen that sets up in the pipe, structural design is reasonable, through the filtration passageway of extension filter screen to improve the contact time of gas and filter screen, make the purification efficiency of filter screen high.
In order to solve the technical problems, the invention adopts a technical scheme that: a through-wall purification ventilation pipe comprises a ventilation pipe and a filtering device, wherein the ventilation pipe comprises a first section of ventilation pipe and a second section of ventilation pipe, one end of the first section of ventilation pipe penetrates through a wall and is led to the outside, the other end of the first section of ventilation pipe is connected with the second section of ventilation pipe through the filtering device, the filtering device comprises a filtering net and a filtering net mounting shell, the filtering net mounting shell comprises two half mounting shells with the same structure, and a mounting cavity capable of accommodating the filtering net is formed after the two half mounting shells are closed; the filter screen mounting shell is characterized in that external threads are arranged at two ends of the filter screen mounting shell, a first mounting cover is arranged at one end, close to the filter device, of the first section of ventilation pipe, a second mounting cover is arranged at one end, close to the filter device, of the second section of ventilation pipe, the first mounting cover and the second mounting cover can respectively slide along the length direction of the first section of ventilation pipe and the second section of ventilation pipe and do not depart from the first section of ventilation pipe and the second section of ventilation pipe, internal threads matched with the external threads of the filter screen mounting shell are arranged in the first mounting cover and the second mounting cover, and when the filter screen mounting shell is used, two ends, after the two half mounting shells are;
the filter screen comprises an air inlet surface with a circular section, an air outlet surface with a circular section and a plurality of filter channels, one end of each filter channel is connected with the air inlet surface and forms an air inlet on the air inlet surface, and the other end of each filter channel is connected with the air outlet surface and forms an air outlet on the air outlet surface;
the center of the air inlet surface is provided with a first air inlet hole, the periphery of the first air inlet hole is sequentially provided with a plurality of layers of air inlet rings which are arranged at equal intervals, each layer of air inlet ring consists of a plurality of second air inlet holes, and the circle centers of all the second air inlet holes on the same layer are positioned on the same circumference; all the air inlet rings are circular and concentric circles; the first air inlet and all the second air inlet holes jointly form an air inlet;
the center of the air outlet face is provided with a first air outlet hole, the periphery of the first air outlet hole is sequentially provided with a plurality of layers of air outlet rings which are arranged at equal intervals, each layer of air outlet ring consists of a plurality of second air outlet holes, and the circle centers of all the second air outlet holes on the same layer are positioned on the same circumference; all the air outlet rings are circular and concentric circles; the first air outlet hole and all the second air outlet holes jointly form an air outlet;
the filtering channel connected with the first air inlet hole and the first air outlet hole is a first filtering channel; the filtering channel connected with the second air inlet hole and the second air outlet hole in the corresponding positions is a second filtering channel;
the first filtering channel comprises a first air inlet section, a first filtering section and a first air outlet section, wherein one end of the first filtering section is communicated with the first air inlet section, and the other end of the first filtering section is communicated with the first air outlet section;
all the second filtering channels comprise a second air inlet section, a second filtering section and a second air outlet section, one end of the second filtering section is communicated with the second air inlet section, the other end of the second filtering section is communicated with the second air outlet section, the second filtering section is an arc-shaped bend, all the arc-shaped bends are outwards convex arc-shaped bends, the arc centers of all the arc-shaped bends are close to the first filtering channel, the arc centers of all the arc-shaped bends passing through the central axis of the filtering net and located in the same plane are located on the same straight line, and the same straight line is perpendicular to the central axis;
the first air inlet section and all the second air inlet sections jointly form a filter screen air inlet section; the first air outlet section and all the second air outlet sections form a filter screen air outlet section together; the first filtering section and all the second filtering sections form a filtering screen filtering section together;
the middle points of all second filtering sections connected by all second air inlet holes of the same layer of air inlet ring and all second air outlet holes of the same air outlet ring which are corresponding in position are positioned on the same circumference; the second filtering channel connected with the outermost layer air inlet ring and the outermost layer air outlet ring is an outermost layer filtering channel, and the outermost layer filtering channel comprises an outermost layer filtering section;
all the second air inlet sections, all the second filtering sections and all the second air outlet sections are respectively arranged in parallel at equal intervals.
Furthermore, the first air inlet hole, the second air inlet hole, the first air outlet hole and the second air outlet hole are ventilation holes with the same structure and shape, and the ventilation holes are round holes;
the hole center distances of the adjacent ventilation holes are the same, and the hole center distances are 1-1.5 times of the hole diameters of the ventilation holes.
Furthermore, the cross sections of the air inlet surface and the air outlet surface are in a first circle shape with the same size;
the middle points of all the outermost filter segments are positioned on the circumference of a second circle, and the diameter of the second circle is 1.5-2 times that of the first circle.
Further, the second filtering section and the second air inlet section and the second filtering section and the second air outlet section are respectively provided with a transition section, and the transition sections are in an inwards concave arc shape.
Further, the first filter segment is helical.
Furthermore, the filter screen air inlet section, the filter screen air outlet section and the filter screen filtering section are the same in length.
Furthermore, the length of the filter screen air inlet section is the same as that of the filter screen air outlet section, and the length of the filter screen filtering section is 1.5-2 times that of the filter screen air inlet/outlet section.
Furthermore, sealing rings are arranged at the buckling parts of the two half mounting shells.
Furthermore, sealing rings are arranged at the two ends of the filter screen mounting shell and at the joint of the first mounting cover and the second mounting cover.
Furthermore, an outdoor air inlet is formed in one end, located outdoors, of the first section of ventilation pipe, and the outdoor air inlet is in a grid shape; and the outdoor air inlet is provided with a hood.
The invention has the following beneficial effects:
the filter device is arranged in the ventilation pipe, so that the cleanliness of the ventilation pipe can be maintained, the service life of the ventilation pipe is prolonged, the cost is saved, the use environment of the air purifier can be effectively improved, and the indoor air quality is improved;
the filter device comprises a filter screen and a filter screen mounting shell, wherein the filter screen mounting shell comprises two half mounting shells with the same structure, external threads are arranged at two ends of the filter screen mounting shell, a first mounting cover and a second mounting cover are respectively arranged on a first section of ventilation pipe and a second section of ventilation pipe, internal threads matched with the external threads are arranged in the first mounting cover and the second mounting cover, and when the filter device is used, two ends of the two half mounting shells after being buckled are respectively inserted into the first mounting cover and the second mounting cover and screwed through the internal threads and the external threads; the mounting shell is designed into two half mounting shells, so that the mounting is simple and the use is convenient;
the filter screen comprises an air inlet surface with a circular cross section, an air outlet surface with a circular cross section and a plurality of filter channels, wherein the filter channels are connected with the air inlet surface and the air outlet surface; the first filtering channel and the second filtering channel respectively comprise a first air inlet section, a second air inlet section, a first filtering section, a second filtering section, a first air outlet section and a second air outlet section, the first filtering section positioned in the center is designed to be spiral, the second filtering section positioned on the periphery of the first filtering section is designed to be an arc-shaped bend, the passing path of gas is effectively prolonged, the contact time of the gas and a cold catalyst is prolonged, and the purification effect is improved; the middle points of all the outermost layer filtering sections are positioned on the circumference of a second circle, the diameter of the second circle is 1-1.5 times of the diameter of the air inlet/outlet surface, meanwhile, the length of the filtering section of the filtering net is 1-2 times of the air inlet/outlet section of the filtering net, the thickness of the filtering net is not excessively increased, the filtering path is prolonged as far as possible, the contact time of gas and a cold catalyst is prolonged, and the material and the cost are saved;
and fourthly, sealing rings are arranged at the buckled parts of the two half mounting shells and the joints of the two ends of the filter screen mounting shell and the first mounting cover and the second mounting cover, so that outdoor fresh air can be prevented from leaking from the ventilation pipe and the purification efficiency of the purifier can be prevented from being influenced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a filter screen according to the present invention;
FIG. 3 is a schematic view of the structure in the direction A-A in FIG. 2;
FIG. 4 is a schematic view of a first filtration channel according to the present invention;
FIG. 5 is a schematic diagram of a second filtration channel according to the present invention;
the parts in the drawings are marked as follows:
the filter screen 1, the air inlet surface 11, the first air inlet hole 111, the second air inlet hole 112, the air outlet surface 12, the first air outlet hole 121, the second air outlet hole 122, the filter channel 13, the first filter channel 131, the first air inlet section 1311, the first filter section 1312, the first air outlet section 1313, the second filter channel 132, the second air inlet section 1321, the second filter section 1322, the second air outlet section 1323, the outermost filter channel 133, the outermost filter section 1332, the filter screen air inlet section 134, the filter screen air outlet section 135, the filter screen filter section 136, the first circle 14, the second circle 15, the transition section 16, the first section ventilation pipe 2, the first installation cover 21, the first limiting piece 22, the second section ventilation pipe 3, the second installation cover 31, the second limiting piece 32, the filter device 4, and the half installation shell 51.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Example (b): a through-wall purification ventilation pipe is shown in figures 1-5 and comprises a ventilation pipe and a filtering device 4, wherein the ventilation pipe comprises a first section of ventilation pipe 2 and a second section of ventilation pipe 3, one end of the first section of ventilation pipe passes through a wall and leads to the outside, the other end of the first section of ventilation pipe is connected with the second section of ventilation pipe through the filtering device, the filtering device comprises a filter screen 1 and a filter screen mounting shell, the filter screen mounting shell comprises two half mounting shells 51 with the same structure, and a mounting cavity capable of accommodating the filter screen is formed after the two half mounting shells are closed; the two ends of the filter screen mounting shell are provided with external threads, one end of the first section of ventilation pipe, which is close to the filter device, is provided with a first mounting cover 21, one end of the second section of ventilation pipe, which is close to the filter device, is provided with a second mounting cover 31, the first mounting cover and the second mounting cover can respectively slide along the length direction of the first section of ventilation pipe and the second section of ventilation pipe and do not depart from the first section of ventilation pipe and the second section of ventilation pipe, internal threads matched with the external threads of the filter screen mounting shell are respectively arranged in the first mounting cover and the second mounting cover, and when the filter screen mounting shell is used, the two ends of the two half mounting shells after being buckled are;
the filter screen 1 comprises an air inlet surface 11 with a circular cross section, an air outlet surface 12 with a circular cross section and a plurality of filter channels 13, wherein one end of each filter channel is connected with the air inlet surface and forms an air inlet on the air inlet surface, and the other end of each filter channel is connected with the air outlet surface and forms an air outlet on the air outlet surface;
a first air inlet hole 111 is formed in the center of the air inlet surface, multiple layers of air inlet rings which are distributed at equal intervals are sequentially arranged on the periphery of the first air inlet hole, each layer of air inlet ring is composed of multiple second air inlet holes 112, and the circle centers of all the second air inlet holes on the same layer are located on the same circumference; all the air inlet rings are circular and concentric circles; the first air inlet holes and all the second air inlet holes form an air inlet together;
a first air outlet hole 121 is formed in the center of the air outlet face, multiple layers of air outlet rings which are arranged at equal intervals are sequentially arranged on the periphery of the first air outlet hole, each layer of air outlet ring is composed of multiple second air outlet holes 122, and the circle centers of all the second air outlet holes on the same layer are located on the same circumference; all the air outlet rings are circular and concentric circles; the first air outlet hole and all the second air outlet holes jointly form an air outlet;
the filtering channel connected with the first air inlet hole and the first air outlet hole is a first filtering channel 131; the filtering channel connected with the second air inlet hole and the second air outlet hole in the corresponding positions is a second filtering channel 132;
the first filtering channel comprises a first air inlet section 1311, a first filtering section 1312 and a first air outlet section 1313, one end of the first filtering section is communicated with the first air inlet section, and the other end of the first filtering section is communicated with the first air outlet section;
all the second filtering channels comprise a second air inlet section 1321, a second filtering section 1322 and a second air outlet section 1323, one end of the second filtering section is communicated with the second air inlet section, the other end of the second filtering section is communicated with the second air outlet section, the second filtering section is an arc-shaped curve, all the arc-shaped curves are outwards convex arc-shaped curves, arc centers of all the arc-shaped curves are close to the first filtering channel, the arc centers of all the arc-shaped curves passing through the central axis of the filtering net and located in the same plane are located on the same straight line, and the same straight line is perpendicular to the central axis;
the first air inlet section and all the second air inlet sections jointly form a filter screen air inlet section 134; the first air outlet section and all the second air outlet sections form a filter screen air outlet section 135 together; the first filter section and all the second filter sections together form a filter screen filter section 136;
the middle points of the second filtering sections of all the second filtering channels connected by all the second air inlet holes of the same layer of air inlet ring and all the second air outlet holes of the same air outlet ring which are corresponding in position are positioned on the same circumference; the second filtering channel connected with the outermost layer air inlet ring and the outermost layer air outlet ring is an outermost layer filtering channel 133, and the outermost layer filtering channel comprises an outermost layer filtering section 1332;
all the second air inlet sections, all the second filtering sections and all the second air outlet sections are respectively arranged in parallel at equal intervals.
The first air inlet hole, the second air inlet hole, the first air outlet hole and the second air outlet hole are ventilation holes with the same structure and shape, and the ventilation holes are round holes;
the hole center distances of the adjacent ventilation holes are the same, and the hole center distances are 1-1.5 times of the hole diameters of the ventilation holes.
The cross sections of the air inlet surface and the air outlet surface are first circles 14 with the same size;
the midpoints of all the outermost filter segments are located at the circumference of a second circle 15 having a diameter 1.5-2 times the diameter of the first circle.
The second filter section with be equipped with changeover portion 16 between the second air inlet section and between the second filter section with between the second air-out section respectively, the changeover portion is the arc of indent.
The first filter segment 1312 is helical.
In one embodiment of the present invention, the filter screen air inlet section, the filter screen air outlet section and the filter screen filtering section are the same in length.
In the second embodiment of the present invention, the air inlet section of the filter screen and the air outlet section of the filter screen have the same length, and the length of the filter section of the filter screen is 1.5 to 2 times that of the air inlet section or the air outlet section of the filter screen.
And sealing rings are arranged at the buckling parts of the two half mounting shells.
The both ends of filter screen installation shell and with the junction of first installation cover and second installation cover all is equipped with the sealing washer.
One end of the first section of ventilation pipe, which is positioned outdoors, is provided with an outdoor air inlet, and the outdoor air inlet is in a grid shape; and the outdoor air inlet is provided with a hood.
And a valve for adjusting the air inlet amount is arranged at the other end of the second section of ventilation pipe, which is far away from the filtering device.
The first mounting cover and the second mounting cover have the same structure.
The tip of first section ventilation pipe is equipped with first locating part 22, first installation cover is one end closed and other end open-ended cylindricly, the blind end of first installation cover is equipped with first round hole, first installation cover is in first section ventilation pipe and can follow the length direction of first section ventilation pipe through first round hole cover first locating part with slide between the outdoor air intake.
The tip of second section ventilation pipe is equipped with the second locating part, second installation cover is that one end is sealed and other end open-ended cylindricly, the blind end of second installation cover is equipped with the second round hole, second installation cover is in through first round hole cover in first section ventilation pipe and can follow the length direction of second section ventilation pipe second locating part 32 with slide between the other end of keeping away from filter equipment of second section ventilation pipe.
The working principle or working process of the invention is as follows:
according to the invention, the filter device is arranged in the ventilation pipe, when the air purifier sucks external air, the external air is firstly subjected to primary filtration in the ventilation pipe and then enters the air purifier, so that the cleanliness of the ventilation pipe can be maintained, the service life of the ventilation pipe is prolonged, the cost is saved, meanwhile, the use environment of the air purifier can be effectively improved, and the indoor air quality is improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A through-wall purification ventilation pipe is characterized in that: the ventilating pipe comprises a ventilating pipe and a filtering device (4), wherein the ventilating pipe comprises a first section of ventilating pipe (2) and a second section of ventilating pipe (3), one end of the first section of ventilating pipe penetrates through a wall to be led outdoors, the other end of the first section of ventilating pipe is connected with the second section of ventilating pipe through the filtering device, the filtering device comprises a filtering net (1) and a filtering net mounting shell, the filtering net mounting shell comprises two half mounting shells (51) with the same structure, and a mounting cavity capable of accommodating the filtering net is formed after the two half mounting shells are closed; the two ends of the filter screen mounting shell are provided with external threads, one end of the first section of ventilation pipe, which is close to the filter device, is provided with a first mounting cover (21), one end of the second section of ventilation pipe, which is close to the filter device, is provided with a second mounting cover (31), the first mounting cover and the second mounting cover can respectively slide along the length direction of the first section of ventilation pipe and the second section of ventilation pipe and do not depart from the first section of ventilation pipe and the second section of ventilation pipe, internal threads matched with the external threads of the filter screen mounting shell are respectively arranged in the first mounting cover and the second mounting cover, and when the filter screen mounting shell is used, the two ends of the two half mounting shells after being buckled are;
the filter screen (1) comprises an air inlet surface (11) with a circular cross section, an air outlet surface (12) with a circular cross section and a plurality of filter channels (13), one end of each filter channel is connected with the air inlet surface and forms an air inlet on the air inlet surface, and the other end of each filter channel is connected with the air outlet surface and forms an air outlet on the air outlet surface;
a first air inlet hole (111) is formed in the center of the air inlet surface, multiple layers of air inlet rings which are distributed at equal intervals are sequentially arranged on the periphery of the first air inlet hole, each layer of air inlet ring is composed of multiple second air inlet holes (112), and the circle centers of all the second air inlet holes on the same layer are located on the same circumference; all the air inlet rings are circular and concentric circles; the first air inlet holes and all the second air inlet holes form an air inlet together;
a first air outlet hole (121) is formed in the center of the air outlet face, multiple layers of air outlet rings which are arranged at equal intervals are sequentially arranged on the periphery of the first air outlet hole, each layer of air outlet ring is composed of multiple second air outlet holes (122), and the circle centers of all the second air outlet holes on the same layer are located on the same circumference; all the air outlet rings are circular and concentric circles; the first air outlet hole and all the second air outlet holes jointly form an air outlet;
the filtering channel connected with the first air inlet hole and the first air outlet hole is a first filtering channel (131); the filtering channel connected with the second air inlet hole and the second air outlet hole in the corresponding positions is a second filtering channel (132);
the first filtering channel comprises a first air inlet section (1311), a first filtering section (1312) and a first air outlet section (1313), one end of the first filtering section is communicated with the first air inlet section, and the other end of the first filtering section is communicated with the first air outlet section;
all the second filtering channels comprise a second air inlet section (1321), a second filtering section (1322) and a second air outlet section (1323), one end of the second filtering section is communicated with the second air inlet section, the other end of the second filtering section is communicated with the second air outlet section, the second filtering section is an arc-shaped curve, all the arc-shaped curves are outwards convex arc-shaped curves, arc centers of all the arc-shaped curves are close to the first filtering channel, the arc centers of all the arc-shaped curves passing through the central axis of the filter screen and located in the same plane are located in the same straight line, and the same straight line is perpendicular to the central axis;
the first air inlet section and all the second air inlet sections jointly form a filter screen air inlet section (134); the first air outlet section and all the second air outlet sections jointly form a filter screen air outlet section (135); the first filter section and all the second filter sections together form a filter screen filter section (136);
the middle points of all second filtering sections connected by all second air inlet holes and all second air outlet holes of the same layer which correspond to the positions are positioned on the same circumference; the second filtering channel connected with the outermost layer air inlet ring and the outermost layer air outlet ring is an outermost layer filtering channel (133), and the outermost layer filtering channel comprises an outermost layer filtering section (1332);
all the second air inlet sections, all the second filtering sections and all the second air outlet sections are respectively arranged in parallel at equal intervals;
transition sections (16) are respectively arranged between the second filtering section and the second air inlet section and between the second filtering section and the second air outlet section, and the transition sections are in an inwards concave arc shape;
the first filter stage (1312) is helical.
2. A through-wall purification ventilation duct according to claim 1, wherein: the first air inlet hole, the second air inlet hole, the first air outlet hole and the second air outlet hole are ventilation holes with the same structure and shape, and the ventilation holes are round holes;
the hole center distances of the adjacent ventilation holes are the same, and the hole center distances are 1-1.5 times of the hole diameters of the ventilation holes.
3. A through-wall purification ventilation duct according to claim 1, wherein: the cross sections of the air inlet surface and the air outlet surface are first circles (14) with the same size;
the midpoints of all the outermost filter segments are located at the circumference of a second circle (15) having a diameter 1.5-2 times the diameter of the first circle.
4. A through-wall purification ventilation duct according to claim 1, wherein: the filter screen air inlet section, the filter screen air outlet section and the filter screen filtering section are all the same in length.
5. A through-wall purification ventilation duct according to claim 1, wherein: the air inlet section of the filter screen is as long as the air outlet section of the filter screen, and the length of the filter section of the filter screen is 1.5-2 times that of the air inlet/outlet section of the filter screen.
6. A through-wall purification ventilation duct according to claim 1, wherein: and sealing rings are arranged at the buckling parts of the two half mounting shells.
7. A through-wall purification ventilation duct according to claim 1, wherein: the both ends of filter screen installation shell and with the junction of first installation cover and second installation cover all is equipped with the sealing washer.
8. A through-wall purification ventilation duct according to claim 1, wherein: one end of the first section of ventilation pipe, which is positioned outdoors, is provided with an outdoor air inlet, and the outdoor air inlet is in a grid shape; and the outdoor air inlet is provided with a hood.
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 CN108168005A (en) | 2018-06-15 |
| CN108168005B true CN108168005B (en) | 2020-06-19 |
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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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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN103384558A (en) * | 2011-01-13 | 2013-11-06 | 高技术与膜工业公司 | Novel shape of filtering elements |
| 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 |
-
2017
- 2017-12-27 CN CN201711440555.8A patent/CN108168005B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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