CN209501301U - One kind removing formaldehyde plant - Google Patents
One kind removing formaldehyde plant Download PDFInfo
- Publication number
- CN209501301U CN209501301U CN201821923291.1U CN201821923291U CN209501301U CN 209501301 U CN209501301 U CN 209501301U CN 201821923291 U CN201821923291 U CN 201821923291U CN 209501301 U CN209501301 U CN 209501301U
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- Prior art keywords
- threaded hole
- plate
- air inlet
- reserve tank
- liquid reserve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model relates to remove formaldehyde plant technical field, in particular to a kind of to remove formaldehyde plant, air inlet cylinder and outlet air cylinder are each attached on liquid reserve tank；The top of air inlet cylinder is fixedly installed mesh plate；Photocatalytic plate is in order of a permutation scalariform obliquely；The inner sidewall setting of air inlet cylinder is evenly equipped with several salient points；The inner surface of air inlet cylinder is coated with reflectorised paint；Fixing axle is fixed on light transmission orifice plate；Photocatalysis push type blade and fixing axle are rotatablely connected；Optically catalytic TiO 2 coating is provided on the surface of photocatalytic plate and the surface of photocatalysis push type blade；The bottom of outlet air cylinder and the inner cavity of liquid reserve tank are connected.When the utility model is used, which can fully absorb the formaldehyde after decomposition, reduce the humidity for guaranteeing use environment, reduce the content of indoor carbon dioxide；The photocatalytic plate of stepped arrangement increases the area with light contacts, improves Formaldehyde decomposition efficiency.
Description
Technical field
It is the utility model relates to remove formaldehyde plant technical field, in particular to a kind of to remove formaldehyde plant.
Background technique
Paint, coating, adhesive and the new furniture etc. used in new house finishing can give out formaldehyde, resident's Formaldehyde Exposed
Afterwards, body will receive the injury of formaldehyde, more likely generate carcinogenic risk.Currently, formaldehyde minimizing technology has physisorphtion, changes
Learn reaction method, Ozonation etc..Substance absorption harmful substance of the physisorphtion mainly using some with adsorption capacity is gone
Depollution, but it is easy to happen De contamination；Chemical reaction method, the chemical reagent that can be chemically reacted with formaldehyde using sprinkling,
Quickly, free formaldehyde is effectively eliminated, but lasts are short, and be easy to cause secondary pollution；Ozonation utilizes the strong of ozone
Oxidability aoxidizes formaldehyde, but ozone usage control is improper, be easy to cause ozone pollution, damages human health.
Photocatalyst is under the action of light, to utilize the oxygen in air using the photosemiconductors such as titanium dioxide material as catalyst
Small organic molecule oxygenolysis is carbon dioxide and water by molecule and hydrone, and photochemical catalyst itself does not change, theoretical
On permanent can use, maintenance cost is low, photocatalysis oxidation technique be administer indoor environmental pollution ideal material, have
The advantages of environmentally friendly low-carbon.
But having now influences to urge with photocatalytic plate arrangement in a row so light can not come into full contact with photocatalytic plate
Change efficiency；Carbon dioxide and water are generated after formaldehyde catalytic decomposition and is exhausted directly to interior, increase indoor humidity and carbon dioxide
Content increases, and causes human body uncomfortable.
Utility model content
The purpose of this utility model is that it is in view of the drawbacks of the prior art and insufficient, it provides a kind of except formaldehyde plant.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
Described in the utility model a kind of except formaldehyde plant, it includes air inlet cylinder, liquid reserve tank and outlet air cylinder；It is described
Air inlet cylinder and outlet air cylinder are each attached on liquid reserve tank；The top of the air inlet cylinder is fixedly installed mesh plate；It is described into
The bottom end of air cylinder is provided with discharge pipe；The discharge pipe extend into the inside of liquid reserve tank from top to bottom；
The air inlet cylinder is internally provided with light transmission orifice plate, fixing axle and photocatalysis board group；The photocatalysis board group, thoroughly
Unthreaded hole plate and fixing axle are arranged successively along close to discharge pipe one end；The photocatalysis board group is made of several photocatalytic plates；Institute
Photocatalytic plate is stated in order of a permutation scalariform obliquely；Ultraviolet emission device is fixed on the side wall of the air inlet cylinder；It is described
The inner sidewall setting of air inlet cylinder is evenly equipped with several salient points；The inner surface of the air inlet cylinder is coated with reflectorised paint；
The fixing axle is fixed on light transmission orifice plate；Photocatalysis push type blade is provided on the axle body of the fixing axle；
The photocatalysis push type blade and fixing axle are rotatablely connected；The surface of the photocatalytic plate and the table of photocatalysis push type blade
Optically catalytic TiO 2 coating is provided on face；
The bottom of the outlet air cylinder and the inner cavity of liquid reserve tank are connected；It successively absorbs water from bottom to up in the chimney fan body
Component and exhaust fan；The water suction component includes two blocks of web plates being inclined to set；The web plate is fixed on the side of outlet air cylinder
On wall；The first threaded hole and the second threaded hole are offered on the side wall of the air duct body；Between the outlet air cylinder and two web plates
The cavity surrounded is desiccant particle placed cavity；Desiccant particle is filled in the desiccant particle placed cavity；Described first
The top of threaded hole and desiccant particle placed cavity is connected；The bottom end phase of second threaded hole and desiccant particle placed cavity
It connects；The first outer tooth part is provided in first threaded hole；The external screw thread and the first threaded hole phase of the first outer tooth part
Match；The first outer tooth part is mutually threadedly coupled with the first threaded hole；The second outer tooth part is provided in second threaded hole；It is described
The external screw thread of second threaded hole and the second outer tooth part matches；The second outer tooth part is mutually threadedly coupled with the second threaded hole.Institute
The bottom for stating liquid reserve tank is provided with drain shut-off valve；Feed liquor shut-off valve is provided at the top of liquid reserve tank.
Further, the light transmission orifice plate is glass orifice plate.
Further, light transmission deflector is provided on the side wall on the photocatalytic plate；The light transmission deflector is in oblique
Lower extension；The end of the light transmission deflector is towards on an adjacent photocatalytic plate side surface.
After adopting the above structure, the utility model has the beneficial effect that one kind described in the utility model removes formaldehyde plant, into
Air cylinder and outlet air cylinder are each attached on liquid reserve tank；The top of air inlet cylinder is fixedly installed mesh plate；The bottom of air inlet cylinder
End is provided with discharge pipe；Discharge pipe extend into the inside of liquid reserve tank from top to bottom；Air inlet cylinder be internally provided with light transmission orifice plate,
Fixing axle and photocatalysis board group；Photocatalysis board group, light transmission orifice plate and fixing axle are arranged successively along close to discharge pipe one end；Photocatalysis
Board group is made of several photocatalytic plates；Photocatalytic plate is in order of a permutation scalariform obliquely；It is fixed on the side wall of air inlet cylinder
Ultraviolet emission device；The inner sidewall setting of air inlet cylinder is evenly equipped with several salient points；The inner surface of air inlet cylinder is coated with instead
Lac varnish；Fixing axle is fixed on light transmission orifice plate；Photocatalysis push type blade is provided on the axle body of fixing axle；Photocatalysis is pusher
Blade and fixing axle are rotatablely connected；Titanium dioxide is provided on the surface of photocatalytic plate and the surface of photocatalysis push type blade
Photocatalysis coating；The bottom of outlet air cylinder and the inner cavity of liquid reserve tank are connected；Successively absorb water component from bottom to up in chimney fan body
And exhaust fan；The component that absorbs water includes two blocks of web plates being inclined to set；Web plate is fixed on the side wall of outlet air cylinder；Air duct body
The first threaded hole and the second threaded hole are offered on side wall；The cavity surrounded between outlet air cylinder and two web plates is desiccant particle
Placed cavity；Desiccant particle is filled in desiccant particle placed cavity；The top of first threaded hole and desiccant particle placed cavity
It is connected；The bottom end of second threaded hole and desiccant particle placed cavity is connected；The first outer tooth part is provided in first threaded hole；
The external screw thread of first outer tooth part matches with the first threaded hole；First outer tooth part is mutually threadedly coupled with the first threaded hole；Second spiral shell
The second outer tooth part is provided in pit；The external screw thread of second threaded hole and the second outer tooth part matches；Second outer tooth part and second
Threaded hole is mutually threadedly coupled.When the utility model is used, the bottom of liquid reserve tank is provided with drain shut-off valve；The top of liquid reserve tank
It is provided with feed liquor shut-off valve；The akaline liquid being added inside liquid reserve tank selects sodium hydroxide, will not generate precipitating, be easy to liquid reserve tank
Cleaning；Alkaline solution is filled by opening feed liquor shut-off valve；Drain shut-off valve is opened, and liquid reserve tank internal liquid is discharged；Due to
The stepped arrangement of photocatalytic plate improves photocatalysis effect so can come into full contact with light；Photocatalysis push type blade exists
It rotates under the drive of air-flow, and is contacted with air, further decomposing formaldehyde；The light that ultraviolet emission device issues can be straight
It connects and is radiated at after penetrating light transmission orifice plate on photocatalysis push type blade；Desiccant particle and the prior art are without essential distinction；Dry
When drying prescription particle is replaced, it is only necessary to unclamp the second outer tooth part below desiccant particle placed cavity, dry particle is due to gravity
It can be automatically drained out at the second threaded hole from desiccant particle placed cavity under effect；When needing that dry particle is added, outside second
Tooth part is locked, and unclamps the first outer tooth part and desiccant particle is added from the first threaded hole；After exhaust fan starting, air-flow successively passes through
By the gap between mesh plate, photocatalytic plate, light transmission orifice plate, photocatalysis push type blade, discharge pipe, liquid reserve tank, chimney fan
It is external that chimney fan is discharged to after body and desiccant particle；A part of direct irradiation of light that ultraviolet emission device issues is urged in light
Change on plate, makes Formaldehyde decomposition Cheng Shui and carbon dioxide；And the effect of light transmission orifice plate can make gas even into lower section；Ultraviolet light
Another part of light that emitter issues is radiated on the photocatalysis push type blade of rotation after passing through light transmission orifice plate, to air
Further catalysis；The carbon dioxide and water generated after reaction enters liquid reserve tank with air-flow；Inside carbon dioxide and liquid reserve tank
Alkaline solution chemical reaction be directly absorbed；The vapor that air-flow is carried out of liquid reserve tank is inhaled by desiccant particle
It receives；It is dried and the gas of low carbon dioxide content；The structure can fully absorb the formaldehyde after decomposition, reduce and guarantee
The humidity of use environment reduces the content of indoor carbon dioxide；The photocatalytic plate of stepped arrangement increases and light contacts
Area, improve Formaldehyde decomposition efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the internal structure chart of outlet air cylinder；
Description of symbols:
1, mesh plate；2, photocatalytic plate；3, light transmission deflector；4, air inlet cylinder；401, salient point；
402, discharge pipe；5, ultraviolet emission device；6, light transmission orifice plate；7, fixing axle；
8, photocatalysis push type blade；9, feed liquor shut-off valve；10, liquid reserve tank；11, drain shut-off valve；
12, outlet air cylinder；1201, the first threaded hole；1202, the second threaded hole；13, desiccant particle；
14, web plate；15, exhaust fan；16, the first outer tooth part；17, the second outer tooth part；
A, water-absorption particle placed cavity.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings.
As shown in Fig. 1 to 2, described in the utility model a kind of except formaldehyde plant, it includes air inlet cylinder 4, liquid reserve tank
10 and outlet air cylinder 12；The air inlet cylinder 4 and outlet air cylinder 12 are each attached on liquid reserve tank 10；The top of the air inlet cylinder 4
End is fixedly installed mesh plate 1；The bottom end of the air inlet cylinder 4 is provided with discharge pipe 402；The discharge pipe 402 is from top to bottom
It extend into the inside of liquid reserve tank 10；Discharge pipe 402 is extend into the alkaline solution inside liquid reserve tank 10；
The air inlet cylinder 4 is internally provided with light transmission orifice plate 6, fixing axle 7 and photocatalysis board group；The photocatalytic plate
Group, light transmission orifice plate 6 and fixing axle 7 are arranged successively along close to 402 one end of discharge pipe；The photocatalysis board group is by several photocatalysis
Plate 2 forms；The photocatalytic plate 2 is in order of a permutation scalariform obliquely；Ultraviolet light hair is fixed on the side wall of the air inlet cylinder 4
Injection device 5；The inner sidewall setting of the air inlet cylinder 4 is evenly equipped with several salient points 401；The inner surface of the air inlet cylinder 4
It is coated with reflectorised paint；Reflectorised paint is coated on salient point 401, forms some reflecting curved surfaces, so that light one way or another is reflected, mentions
The utilization rate of high light line；
The fixing axle 7 is fixed on light transmission orifice plate 6；Photocatalysis push-paddle is provided on the axle body of the fixing axle 7
Leaf 8；The photocatalysis push type blade 8 is rotatablely connected with fixing axle 7；The surface of the photocatalytic plate 2 and photocatalysis are pusher
Optically catalytic TiO 2 coating is provided on the surface of blade 8；
The bottom of the outlet air cylinder 12 and the inner cavity of liquid reserve tank 10 are connected；In the outlet air cylinder 12 from bottom to up according to
Secondary water suction component and exhaust fan 15；The water suction component includes two blocks of web plates being inclined to set 14；The web plate 14 is fixed on
On the side wall of outlet air cylinder 12；The first threaded hole 1201 and the second threaded hole 1202 are offered on the side wall of the air duct body 12；
The cavity surrounded between the outlet air cylinder 12 and two web plates 14 is desiccant particle placed cavity A；The desiccant particle is placed
Desiccant particle 13 is filled in chamber A；The top of first threaded hole 1201 and desiccant particle placed cavity A is connected；Institute
The bottom end for stating the second threaded hole 1202 and desiccant particle placed cavity A is connected；Is provided in first threaded hole 1201
One outer tooth part 16；The external screw thread of the first outer tooth part 16 matches with the first threaded hole 1201；The first outer tooth part 16 with
First threaded hole, 1201 phase is threadedly coupled；The second outer tooth part 17 is provided in second threaded hole 1202；Second screw thread
Hole 1202 and the external screw thread of the second outer tooth part 17 match；The second outer tooth part 17 connects with 1202 phase screw thread of the second threaded hole
It connects.
The bottom of the liquid reserve tank 10 is provided with drain shut-off valve 11；The top of liquid reserve tank 10 is provided with feed liquor shut-off valve 9；
The akaline liquid being added inside liquid reserve tank 10 selects sodium hydroxide, will not generate precipitating, be easy to the clear of liquid reserve tank 10
It washes；Alkaline solution is filled by opening feed liquor shut-off valve 9；Drain shut-off valve 11 is opened, and 10 internal liquid of liquid reserve tank is discharged；
Due to the stepped arrangement of photocatalytic plate 2, so can come into full contact with light, photocatalysis effect is improved；Light is urged
Change pusher blade 8 to rotate under the drive of air-flow, and is contacted with air, further decomposing formaldehyde；Ultraviolet emission device 5
The light of sending is radiated on photocatalysis push type blade 8 after capable of being directed through light transmission orifice plate 6；Desiccant particle 13 with it is existing
Technology is without essential distinction；When desiccant particle 13 is replaced, it is only necessary to unclamp the second outer tooth below desiccant particle placed cavity A
Part 17, dry particle from desiccant particle placed cavity A under the action of gravity at the second threaded hole 1202 due to that can be automatically drained out；
When needing that dry particle is added, the second outer tooth part 17 is locked, and is unclamped the first outer tooth part 16 and is added from the first threaded hole 1201
Desiccant particle 13；
Exhaust fan 15 start after, air-flow successively by by between mesh plate 1, photocatalytic plate 2 gap, light transmission orifice plate 6,
Outlet air cylinder is discharged to after photocatalysis push type blade 8, discharge pipe 402, liquid reserve tank 10, outlet air cylinder 12 and desiccant particle 13
Outside 12；A part of direct irradiation of light that ultraviolet emission device 5 issues makes Formaldehyde decomposition Cheng Shui and two on photocatalytic plate 2
Carbonoxide；And the effect of light transmission orifice plate 6 can make gas even into lower section；The light that ultraviolet emission device 5 issues is another
Part is radiated on the photocatalysis push type blade 8 of rotation after passing through light transmission orifice plate 6, is further catalyzed to air；It is produced after reaction
Raw carbon dioxide and water enters liquid reserve tank 10 with air-flow；Alkaline solution chemistry inside carbon dioxide and liquid reserve tank 10 is anti-
It should directly be absorbed；The vapor that air-flow is carried out of liquid reserve tank 10 is absorbed by desiccant particle 13；Dried and
And the gas of low carbon dioxide content；The structure can fully absorb the formaldehyde after decomposition, reduce and guarantee the wet of use environment
Degree, reduces the content of indoor carbon dioxide；The photocatalytic plate of stepped arrangement increases the area with light contacts, improves first
Aldehyde decomposition efficiency.
As a kind of preferred embodiment of the utility model, the light transmission orifice plate 6 is glass orifice plate.
As a kind of preferred embodiment of the utility model, light transmission deflector is provided on the side wall on the photocatalytic plate 2
3；The light transmission deflector 3 is in extend obliquely；The end of the light transmission deflector 3 is towards an adjacent photocatalytic plate
On 2 side surfaces；Light transmission deflector 3 is transparent material, and light transmission deflector 3 beats air-flow directly on 2 surface of photocatalytic plate, is improved
Catalytic effect.
When the utility model is used, the bottom of liquid reserve tank is provided with drain shut-off valve；Be provided at the top of liquid reserve tank into
Liquid shut-off valve；The akaline liquid being added inside liquid reserve tank selects sodium hydroxide, will not generate precipitating, be easy to the cleaning of liquid reserve tank；
Alkaline solution is filled by opening feed liquor shut-off valve；Drain shut-off valve is opened, and liquid reserve tank internal liquid is discharged；Due to photocatalytic plate
Stepped arrangement improves photocatalysis effect so can come into full contact with light；Band of the photocatalysis push type blade in air-flow
Dynamic lower rotation, and contacted with air, further decomposing formaldehyde；The light that ultraviolet emission device issues can be directed through
It is radiated at after unthreaded hole plate on photocatalysis push type blade；Desiccant particle and the prior art are without essential distinction；In desiccant particle
When replacement, it is only necessary to unclamp the second outer tooth part below desiccant particle placed cavity, dry particle is due to energy under the action of gravity
It is automatically drained out at the second threaded hole from desiccant particle placed cavity；When needing that dry particle is added, the second outer tooth part is locked,
It unclamps the first outer tooth part and desiccant particle is added from the first threaded hole；After exhaust fan starting, air-flow is successively by passing through mesh
Gap, light transmission orifice plate, photocatalysis push type blade, discharge pipe, liquid reserve tank, outlet air cylinder and drying between plate, photocatalytic plate
It is external that chimney fan is discharged to after agent particle；Ultraviolet emission device issue a part of direct irradiation of light on photocatalytic plate,
Make Formaldehyde decomposition Cheng Shui and carbon dioxide；And the effect of light transmission orifice plate can make gas even into lower section；Ultraviolet light transmitting dress
Another part of light for setting sending is radiated on the photocatalysis push type blade of rotation after light transmission orifice plate, further to air
Catalysis；The carbon dioxide and water generated after reaction enters liquid reserve tank with air-flow；Alkalinity inside carbon dioxide and liquid reserve tank
Solution chemistry reaction is directly absorbed；The vapor that air-flow is carried out of liquid reserve tank is absorbed by desiccant particle；It obtains
Dry and low carbon dioxide content gas；The structure can fully absorb the formaldehyde after decomposition, reduce and guarantee to use ring
The humidity in border reduces the content of indoor carbon dioxide；The photocatalytic plate of stepped arrangement increases the area with light contacts,
Improve Formaldehyde decomposition efficiency.
The above description is only a preferred embodiment of the present invention, therefore all according to described in the utility model patent application range
The equivalent change or modification done of structure, feature and principle, be included in the scope of the utility model patent application.
Claims (3)
1. one kind removes formaldehyde plant, it is characterised in that: it includes air inlet cylinder (4), liquid reserve tank (10) and outlet air cylinder (12)；
The air inlet cylinder (4) and outlet air cylinder (12) are each attached on liquid reserve tank (10)；The top fixation of the air inlet cylinder (4) is set
It is equipped with mesh plate (1)；The bottom end of the air inlet cylinder (4) is provided with discharge pipe (402)；The discharge pipe (402) is from top to bottom
It extend into the inside of liquid reserve tank (10)；
The air inlet cylinder (4) is internally provided with light transmission orifice plate (6), fixing axle (7) and photocatalysis board group；The photocatalytic plate
Group, light transmission orifice plate (6) and fixing axle (7) are arranged successively along close to discharge pipe (402) one end；The photocatalysis board group is by several
Photocatalytic plate (2) composition；The photocatalytic plate (2) is in order of a permutation scalariform obliquely；It is solid on the side wall of the air inlet cylinder (4)
Surely there are ultraviolet emission device (5)；The inner sidewall setting of the air inlet cylinder (4) is evenly equipped with several salient points (401)；It is described into
The inner surface of air cylinder (4) is coated with reflectorised paint；
The fixing axle (7) is fixed on light transmission orifice plate (6)；Photocatalysis push type is provided on the axle body of the fixing axle (7)
Blade (8)；The photocatalysis push type blade (8) and fixing axle (7) are rotatablely connected；The surface of the photocatalytic plate (2) and light
It is catalyzed on the surface of pusher blade (8) and is provided with optically catalytic TiO 2 coating；
The bottom of the outlet air cylinder (12) and the inner cavity of liquid reserve tank (10) are connected；In the outlet air cylinder (12) from bottom to up
Successively absorb water component and exhaust fan (15)；The water suction component includes two pieces of web plates being inclined to set (14)；The web plate
(14) it is fixed on the side wall of outlet air cylinder (12)；The first threaded hole (1201) are offered on the side wall of the outlet air cylinder (12)
With the second threaded hole (1202)；The cavity surrounded between the outlet air cylinder (12) and two web plates (14) is desiccant particle placement
Chamber (A)；Desiccant particle (13) are filled in the desiccant particle placed cavity (A)；First threaded hole (1201) and dry
The top of drying prescription particle placed cavity (A) is connected；The bottom end of second threaded hole (1202) and desiccant particle placed cavity (A)
It is connected；The first outer tooth part (16) is provided in first threaded hole (1201)；The external screw thread of the first outer tooth part (16)
Match with the first threaded hole (1201)；The first outer tooth part (16) is mutually threadedly coupled with the first threaded hole (1201)；It is described
The second outer tooth part (17) is provided in second threaded hole (1202)；Second threaded hole (1202) and the second outer tooth part (17)
External screw thread matches；The second outer tooth part (17) is mutually threadedly coupled with the second threaded hole (1202),
The bottom of the liquid reserve tank (10) is provided with drain shut-off valve (11)；Liquid reserve tank is provided with feed liquor shut-off valve at the top of (10)
(9).
2. according to claim 1 a kind of except formaldehyde plant, it is characterised in that: the light transmission orifice plate (6) is glass orifice plate.
3. according to claim 1 a kind of except formaldehyde plant, it is characterised in that: on the side wall on the photocatalytic plate (2)
It is provided with light transmission deflector (3)；The light transmission deflector (3) is in extend obliquely；The end direction of the light transmission deflector (3)
On adjacent photocatalytic plate (2) side surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821923291.1U CN209501301U (en) | 2018-11-21 | 2018-11-21 | One kind removing formaldehyde plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821923291.1U CN209501301U (en) | 2018-11-21 | 2018-11-21 | One kind removing formaldehyde plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209501301U true CN209501301U (en) | 2019-10-18 |
Family
ID=68189885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821923291.1U Expired - Fee Related CN209501301U (en) | 2018-11-21 | 2018-11-21 | One kind removing formaldehyde plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209501301U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109351148A (en) * | 2018-11-21 | 2019-02-19 | 周翠华 | One kind removing formaldehyde plant |
-
2018
- 2018-11-21 CN CN201821923291.1U patent/CN209501301U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109351148A (en) * | 2018-11-21 | 2019-02-19 | 周翠华 | One kind removing formaldehyde plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191018 Termination date: 20211121 |