CN110398018A - The concealed annular twin voltage electrostatic field of wall feed-through pipeline filters heat-exchange device - Google Patents
The concealed annular twin voltage electrostatic field of wall feed-through pipeline filters heat-exchange device Download PDFInfo
- Publication number
- CN110398018A CN110398018A CN201910604338.0A CN201910604338A CN110398018A CN 110398018 A CN110398018 A CN 110398018A CN 201910604338 A CN201910604338 A CN 201910604338A CN 110398018 A CN110398018 A CN 110398018A
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- China
- Prior art keywords
- heat
- pipeline
- outer ring
- inner ring
- fixed
- Prior art date
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- 230000005686 electrostatic field Effects 0.000 title claims abstract description 17
- 238000005367 electrostatic precipitation Methods 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 239000000428 dust Substances 0.000 claims description 69
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 49
- 238000009413 insulation Methods 0.000 claims description 34
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000004323 axial length Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/01—Pretreatment of the gases prior to electrostatic precipitation
- B03C3/014—Addition of water; Heat exchange, e.g. by condensation
-
- 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
-
- 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
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrostatic Separation (AREA)
Abstract
The present invention relates to fresh air technical fields, heat-exchange device is filtered more particularly to the concealed annular twin voltage electrostatic field of wall feed-through pipeline, it is characterized in that, the filtering heat-exchange device includes an outer ring pipeline, an inner ring heat-exchange tube, the inner ring heat-exchange tube is placed in the outer ring pipeline, lead to indoor return air in the inner ring heat-exchange tube, outdoor fresh air is led between the inner ring heat-exchange tube and the outer ring pipeline；The electrostatic precipitation component purified to outdoor fresh air is set between the inner ring heat-exchange tube and the outer ring pipeline.The invention has the benefit that can realize that indoor exhaust wind and outdoor fresh air are carried out in pipeline carries out high efficient heat exchanging, meanwhile, apply the electrostatic precipitation piece of the annular array in outdoor fresh air channel to fresh air purifying, whole device is in conjunction with pipeline, delicate structure, simple installation.
Description
Technical field
The present invention relates to fresh air technical fields, and in particular to the concealed annular twin voltage electrostatic field filtering heat of wall feed-through pipeline is handed over
Changing device.
Background technique
Currently, fresh air technology has gradually been applied in public usage scenario, more widely fresh air technologies
Gone out by innovation and creation；
Fresh air technology is also increasingly finer simultaneously, more compact, however in the prior art, do not have removing dust by using fresh air technology also
Applied to the function of hiding pipeline, while there are not corresponding fresh air and indoor return air to realize the function of heat exchange in the duct.
Summary of the invention
To achieve the goals above, the present invention provides a kind of wall-penetrating type pipeline concealed annular twin voltage electrostatic field filtering heat
Switch.
The specific technical solution of the present invention is as follows: the concealed annular twin voltage electrostatic field filtering heat exchange dress of wall feed-through pipeline
It sets, the filtering heat-exchange device includes an outer ring pipeline, an inner ring heat-exchange tube, and the inner ring heat-exchange tube is placed in institute
State in outer ring pipeline, lead to indoor return air in the inner ring heat-exchange tube, the inner ring heat-exchange tube and the outer ring pipeline it
Between lead to outdoor fresh air；
The electrostatic precipitation purified to outdoor fresh air is set between the inner ring heat-exchange tube and the outer ring pipeline
Component.
Further, the electrostatic precipitation component includes inner casing, insulation crust, fixed pedestal；
The both ends of the inner casing and the both ends of the insulation crust are each attached on fixed pedestal；
And inner casing is adapted to inner ring heat-exchange tube peripheral side, the insulation crust is adapted to outer ring pipeline inner circumferential side；
Several positive dust pieces and cathode being intertwined are provided between the inner casing and the insulation crust
Dust piece is fresh air purifying channel between the anode dust piece and the cathode dust piece.
Further, the cross sectional shape of the positive dust piece and the cathode dust piece is arc structure.
Further, the positive dust piece and the cathode dust piece spliced by several rectangular plate-like dust pieces and
At.
Further, direction of the electrostatic precipitation component towards fresh air inlet is corona zone.
Further, the both ends of the positive dust piece and the cathode dust piece are each attached on fixed pedestal, and institute
Stating fixed pedestal, the axis direction of the outer ring pipeline or the inner ring heat-exchange tube is arranged in parallel；
The outer ring insides of pipes is provided with one and extends inwardly to form a boss；
The sunk structure of one with boss cooperation are upwardly formed towards the side of boss in the fixed pedestal.
Further, the inner casing is made of two or more unit inner casings, the insulation crust by with it is described
The identical cell enclosure composition of unit inner casing quantity, the fixed pedestal are fixed by unit identical with the unit inner casing quantity
Pedestal composition, the unit inner casing, cell enclosure both ends it is corresponding be fixed on the unit fixed pedestal, wherein appointing
The sunk structure of one with boss cooperation are formed on one unit fixed pedestal of meaning；
The unit inner casing is the first inner casing, the second inner casing or more；
The unit insulation crust is the first insulation crust, the second insulation crust or more；
The fixed pedestal is the first fixed pedestal, the second fixed pedestal or more；
Further, the positive dust piece and the cathode dust on piece offer fixation hole and through hole, via just
Pole piece association fastening screw and negative electrode tab association fastening screw carry out series connection fixation, and cooperation anode is provided at the through hole
Piece is associated with the isolation aluminium washer of fastening screw and negative electrode tab association fastening screw；
The both ends of positive plate association fastening screw and negative electrode tab association fastening screw respectively correspond be fixed in
On shell and insulation crust.
Further, the corona zone is provided with the fixed bracket of ionizing wire；
The fixed bracket of the ionizing wire includes a bracket inner ring, a bracket outer ring, the bracket inner ring and the branch
It is connected between frame outer ring by rib, and is provided between bracket inner ring and bracket outer ring and is adapted to or connects and fixes pedestal
Fixed structure extends to form extension, the extension towards the side of the positive dust piece and cathode dust piece in rib
The upper fixed structure for running through through-hole structure or fixed ionizing wire passed through with permissible ionizing wire.
Further, the shape of the bracket inner ring is adapted with the cross sectional shape of the inner casing, the bracket outer ring
Shape is adapted with the cross sectional shape of the insulation crust.
The invention has the benefit that can realize that carrying out indoor exhaust wind and outdoor fresh air in pipeline carries out high efficient heat exchanging, together
When, apply the electrostatic precipitation piece of the annular array in outdoor fresh air channel to fresh air purifying, whole device is in conjunction with pipeline, structure
Exquisiteness, simple installation.
Detailed description of the invention
Fig. 1 (a) is the first view stereo schematic diagram of the invention；
Fig. 1 (b) is the second view stereo schematic diagram of the invention；
Fig. 2 is that overall structure of the invention splits schematic diagram；
Fig. 3 is that detailed structure of the invention splits schematic diagram；
Fig. 4 (a) is front schematic view of the invention；
Fig. 4 (b) is cross section schematic illustration of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is explained in further detail.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, and
It is not used in the restriction present invention.
On the contrary, the present invention covers any substitution done on the essence and scope of the present invention being defined by the claims, repairs
Change, equivalent method and scheme.Further, in order to make the public have a better understanding the present invention, below to of the invention thin
It is detailed to describe some specific detail sections in section description.Part without these details for a person skilled in the art
The present invention can also be understood completely in description.
It as shown in Figure 1, 2, is a kind of concealed annular twin voltage electrostatic field filtering of wall-penetrating type pipeline provided by the present invention
The overall structure diagram of heat-exchange device and whole decomposition diagram, the filtering heat-exchange device include an outer endless tube
1, one, road inner ring heat-exchange tube 2；
The inner ring heat-exchange tube 2 is placed in the outer ring pipeline 1, the outer ring pipeline 1 and the inner ring heat-exchange tube 2
It is coaxially arranged；
In the present embodiment, in order to be adapted to wall-penetrating type pipeline, 1 section of outer ring pipeline is approximate circle structure, described
2 section of inner ring heat-exchange tube is circular configuration；
For passing through the indoor return air inside the inner ring heat-exchange tube 2, in the outer ring pipeline 1 and the inner ring
For the fresh air by the outdoor entrance between heat-exchange tube 2, the inner ring heat-exchange tube 2 recycles metal using high thermal conductivity
Pipe carries out heat exchange for realizing indoor return air and outdoor fresh air；
Electrostatic precipitation component 3, the electrostatic are provided between the outer ring pipeline 1 and the inner ring heat-exchange tube 2
Around the inner ring heat-exchange tube 2, it can be achieved that be required to by the fresh air of outdoor entrance through electrostatic precipitation component 3 between dedusting,
It carries out to fresh air purifying；
It is provided with one on the inside of the outer ring pipeline 1 and extends inwardly to form a boss 10；
As shown in Figure 3,4, the electrostatic precipitation component 3 includes a 2 peripheral side sectional dimension of adaptation inner ring heat-exchange tube
Inner housing component, one adaptation 1 inner circumferential side sectional dimension of outer ring pipeline insulative shell member, the first fixed pedestal 33, second
The fixed bracket 39 of fixed pedestal 34, positive and negative substrate assembly, ionizing wire 40, ionizing wire；
The inner housing component include first inner casing 31 and second inner casing 32, first inner casing 31 with it is described
Second inner casing, 32 section is convex structure, and one end of first inner casing 31 is fixed on the one of first fixed pedestal 33
Avris upper end, the other end of first inner casing 31 are fixed on an avris upper end of second fixed pedestal 34, and described second
One end of inner casing 32 is fixed on an avris lower end of first fixed pedestal 33, and the other end of second inner casing 32 is fixed on
One avris lower end of second fixed pedestal 34；
First fixed pedestal 33 and the parallel inner ring heat-exchange tube 2 of second fixed pedestal 34 or outer ring pipeline
1 axis direction arrangement, and the first inner casing 31 described above and second inner casing 32 respectively correspond and are fixed on described first
On fixed pedestal 33 and the side of the second fixed pedestal 34 towards inner ring heat-exchange tube 2；
After the connection of first inner casing 31, the second inner casing 32, the first fixed pedestal 33 and second fixed pedestal 34
Fit inside described in 2 peripheral side sectional dimension of inner ring heat-exchange tube；
The insulative shell member include first insulation crust 37 and second insulation crust 38, described first
Insulation crust 37 and 38 section of the second insulation crust are convex structure, and one end of first insulation crust 37 is fixed
In another avris upper end of the first fixed pedestal 33, the other end of first insulation crust 37 is fixed on the described second fixed base
Another avris upper end of seat 34, one end of second insulation crust 38 is fixed on another avris of first fixed pedestal 33
Lower end, the other end of second insulation crust 38 are fixed on the other end lower end of second fixed pedestal 34；
First insulation crust 37 and second insulation crust 38, which respectively correspond, is fixed on the described first fixed base
Seat 33 and second fixed pedestal 34 face out on the side in endless tube road 1；
In first insulation crust 37, the second insulation crust 38, the first fixed pedestal 33, the connection of the second fixed pedestal 34
Outside afterwards is adapted to the 1 inner circumferential side sectional dimension of outer ring pipeline；
The fixed form of the insulation crust (37,38) and the inner casing (31,32) and the pedestal (33,34) include but
The fixed forms such as it is not limited to grafting, is clamped, is fixedly welded；
Multiple positive dust pieces 35 and multiple are provided between first insulation crust 37 and first inner casing 31
Cathode dust piece 36, be provided between second insulation crust 38 and second inner casing 32 multiple positive dust pieces 35 and
Multiple cathode dust pieces 36；
The anode dust piece 35 and the cathode dust piece 36 intersect arrangement；
The anode dust piece 35 and the cathode dust piece 36 spliced by several rectangular plate-like dust blade units and
It is the structure of cross section approximate circle arcuation at, the spliced positive dust piece 35 or the cathode dust piece 36；
The axial length of the anode dust piece 35 and the cathode dust piece 36 is respectively less than the insulation crust and described
The axial length of inner casing, the axial length of the insulation crust are identical as the axial length of the inner casing；
Several dust piece fixed grooves are offered on first fixed pedestal 33 and second fixed pedestal 34,
The dust piece fixed groove axially opens up, and is provided with first fixed pedestal 33 and described second solid respectively
Determine the two sides up and down of pedestal 34；
Several fixation holes 43 and through hole are offered on the positive dust piece 35 and the cathode dust piece 36
44, specifically it is to be understood that offering positive dust piece fixation hole and positive dust piece through hole on the anode dust piece 35,
Cathode dust piece fixation hole and cathode dust piece through hole are offered on the cathode dust piece 36, the anode dust piece is fixed
The position in hole is corresponded to each other with the position of the cathode dust piece through hole, and the anode dust piece is born through hole site with described
The position of pole dust piece fixation hole corresponds to each other；
And the present embodiment further includes negative electrode tab association fastening screw 41 and positive plate association fastening screw 42, the cathode
Piece association fastening screw 41 and positive plate association equal one end of fastening screw 42 are fixed on insulation crust, and the other end is fixed on
On inner casing, the corresponding negative electrode tab association fastening screw 41 passes sequentially through positive dust piece through hole and cathode dust piece respectively
Fixation hole, the positive plate association fastening screw 42 passes sequentially through cathode dust piece through hole respectively and positive dust piece is fixed
Hole；
Specifically can be understood as the through hole 44 aperture be greater than the fixation hole 43, and the fixation hole 43 with it is described
The position of through hole 44 can be understood as intersecting opposite；
The isolation aluminium washer 45 is contradicted respectively in corresponding two adjacent cathode dust pieces 36 or two positive dusts
43 peripheral side of fixation hole of piece 35, and through-hole is run through by the positive dust piece 35 of intermediate clamping or cathode dust piece 36；
The isolation aluminium washer 45 is hollow structure, and allows the positive plate association fastening screw 42 or the negative electrode tab
Association fastening screw 41 passes through；
The positive plate association fastening screw 42 or negative electrode tab association 41 quantity of fastening screw can be 1 or more
A, under for the needs of fixing-stable, quantity can be multiple；
The ionizing wire is set towards the side of pipeline inlet air in the positive dust piece 35 and the cathode dust piece 36
Fixed bracket 39；The fixed bracket 39 of the ionizing wire includes 391, bracket outer rings 392 of a bracket inner ring, in the bracket
It is connected between ring 391 and the bracket outer ring 392 by rib 393, and is set between bracket inner ring 391 and bracket outer ring 392
It is equipped with the fixed structure of adaptation or the first fixed pedestal 33 of clamping and the second fixed pedestal 34, in rib 393 towards the anode
The side of dust piece 35 and cathode dust piece 36 extends to form extension, and the extension uses approximate triangle in the present embodiment
The structure of shape, and have allow ionizing wire 40 to pass through to run through through-hole structure on extension, or replace with permissible ionization
The other structures that silk 40 passes through；
First fixed pedestal 33 is a recess in contrast to the side of first inner casing 31 or the second inner casing 32
Structure, structure and the boss 10 of the recess are mutually adapted, and the boss 10 is plugged in sunk structure；
Can be correspondingly arranged in the structure of the boss 10 and recess allows to be electrically connected or allow the conductions such as cable or wire
Structure is not specifically limited by through-hole structure；
Using above structure of the invention, it can be achieved that in the confined space of pipeline, integrated static dedusting structure, and to room
Interior wind and outdoor wind carry out efficient heat exchange.
Claims (10)
1. the concealed annular twin voltage electrostatic field of wall feed-through pipeline filters heat-exchange device, which is characterized in that the filtering heat exchange
Device includes an outer ring pipeline, an inner ring heat-exchange tube, and the inner ring heat-exchange tube is placed in the outer ring pipeline, in institute
It states inner ring heat-exchange tube and leads to indoor return air, outdoor fresh air is led between the inner ring heat-exchange tube and the outer ring pipeline；
The electrostatic precipitation component purified to outdoor fresh air is set between the inner ring heat-exchange tube and the outer ring pipeline.
2. the concealed annular twin voltage electrostatic field of wall feed-through pipeline according to claim 1 filters heat-exchange device, feature
It is, the electrostatic precipitation component includes inner casing, insulation crust, fixed pedestal；
The both ends of the inner casing and the both ends of the insulation crust are each attached on fixed pedestal；
And inner casing is adapted to inner ring heat-exchange tube peripheral side, the insulation crust is adapted to outer ring pipeline inner circumferential side；
Several positive dust pieces and cathode dust being intertwined are provided between the inner casing and the insulation crust
Piece is fresh air purifying channel between the anode dust piece and the cathode dust piece.
3. the concealed annular twin voltage electrostatic field of wall feed-through pipeline according to claim 2 filters heat-exchange device, feature
It is, the cross sectional shape of the anode dust piece and the cathode dust piece is arc structure.
4. the concealed annular twin voltage electrostatic field of wall feed-through pipeline according to claim 3 filters heat-exchange device, feature
It is, the anode dust piece and the cathode dust piece are spliced by several rectangular plate-like dust pieces.
5. the concealed annular twin voltage electrostatic field of wall feed-through pipeline according to claim 2 filters heat-exchange device, feature
It is, direction of the electrostatic precipitation component towards fresh air inlet is corona zone.
6. the concealed annular twin voltage electrostatic field of wall feed-through pipeline according to claim 2 filters heat-exchange device, feature
It is, the both ends of the anode dust piece and the cathode dust piece are each attached on fixed pedestal, and the fixed pedestal is flat
The axis direction of the row outer ring pipeline or inner ring heat-exchange tube arrangement；
The outer ring insides of pipes is provided with one and extends inwardly to form a boss；
The sunk structure of one with boss cooperation are upwardly formed towards the side of boss in the fixed pedestal.
7. according to claim 2-6 it is one of any described in the concealed annular twin voltage electrostatic field filtering heat exchange dress of wall feed-through pipeline
Set, which is characterized in that the inner casing is made of two or more unit inner casings, the insulation crust by with the unit
The identical cell enclosure composition of inner casing quantity, the fixed pedestal is by unit fixed pedestal identical with the unit inner casing quantity
Composition, the unit inner casing, cell enclosure both ends it is corresponding be fixed on the unit fixed pedestal, wherein any one
The sunk structure of one with boss cooperation are formed on a unit fixed pedestal.
8. the concealed annular twin voltage electrostatic field of wall feed-through pipeline according to claim 2 filters heat-exchange device, feature
It is, the anode dust piece and the cathode dust on piece offer fixation hole and through hole, are associated with and fasten via positive plate
Screw rod and negative electrode tab association fastening screw carry out series connection fixation, and cooperation positive plate association fastening spiral shell is provided at the through hole
The isolation aluminium washer of bar and negative electrode tab association fastening screw；
The both ends of positive plate association fastening screw and negative electrode tab association fastening screw respectively correspond be fixed on inner casing and
On insulation crust.
9. the concealed annular twin voltage electrostatic field of wall feed-through pipeline according to claim 6 filters heat-exchange device, feature
It is, the corona zone is provided with the fixed bracket of ionizing wire；
The fixed bracket of the ionizing wire includes a bracket inner ring, a bracket outer ring, outside the bracket inner ring and the bracket
It is connected between ring by rib, and is provided with adaptation between bracket inner ring and bracket outer ring or connects and fixes the fixation of pedestal
Structure extends to form extension towards the side of the positive dust piece and cathode dust piece in rib, has on the extension
There is the fixed structure for running through through-hole structure or fixed ionizing wire that permissible ionizing wire passes through.
10. the concealed annular twin voltage electrostatic field of wall feed-through pipeline according to claim 9 filters heat-exchange device, feature
Be, the shape of the bracket inner ring is adapted with the cross sectional shape of the inner casing, the shape of the bracket outer ring and it is described absolutely
The cross sectional shape of edge shell is adapted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910604338.0A CN110398018A (en) | 2019-07-05 | 2019-07-05 | The concealed annular twin voltage electrostatic field of wall feed-through pipeline filters heat-exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910604338.0A CN110398018A (en) | 2019-07-05 | 2019-07-05 | The concealed annular twin voltage electrostatic field of wall feed-through pipeline filters heat-exchange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110398018A true CN110398018A (en) | 2019-11-01 |
Family
ID=68322761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910604338.0A Pending CN110398018A (en) | 2019-07-05 | 2019-07-05 | The concealed annular twin voltage electrostatic field of wall feed-through pipeline filters heat-exchange device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110398018A (en) |
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| CN204987349U (en) * | 2015-08-13 | 2016-01-20 | 苏州格兰斯柯光电科技有限公司 | Inside and outside endless air purifier |
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