CN109569918A - A kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology - Google Patents
A kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology Download PDFInfo
- Publication number
- CN109569918A CN109569918A CN201811591088.3A CN201811591088A CN109569918A CN 109569918 A CN109569918 A CN 109569918A CN 201811591088 A CN201811591088 A CN 201811591088A CN 109569918 A CN109569918 A CN 109569918A
- Authority
- CN
- China
- Prior art keywords
- buildings
- spray gun
- watering
- external surface
- cleaning method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/01—Spray pistols, discharge devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention belongs to chemical technology fields, and in particular to a kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology.The self cleaning method has used a kind of novel nano-spray device, the spray equipment includes HVLP spray gun (1), watering can (2), hose (3), shoulder belt (4) and motor (5), the nozzle (10) of the HVLP spray gun (1) has nozzle cover (6), watering can lid (7) are equipped with above the HVLP spray gun (1), lid (8) are arranged at watering can (2) bottom；The self cleaning method is that nanometer mild detergent is fitted into the watering can (2), open the motor (5), the nozzle (10) of the HVLP spray gun (1) is set to be directed at outer surface of building, cocking (9) is sprayed.This method avoid the damages to external surface of buildings, and decompose the organic matter autocatalysis for being deposited on external surface of buildings using photocatalysis technology, reach the self-cleaning for continuing building surface, long-acting bacteriostatic, it promotes environmental quality and improves the transmission efficiency of detergent, reduce distribution loss, ensures the health of operating personnel.
Description
Technical field
The invention belongs to chemical technology fields, and in particular to a kind of external surface of buildings nanometer painting based on photocatalysis technology
Fill self cleaning method.
Background technique
External surface of buildings main material has ceramics, glass, stone material, aluminium, carbon steel, stainless steel, plastics, coating etc..
The pollution of building mainly passes through mechanical adhesion, physical absorption and chemisorption these three forms and acts on exterior wall surface.It is dirty
Contaminate object source again mainly some natural pollutants and mankind's activity pollutant, such as grieshoch, microorganism, Acid Rain Pollution and
It is polluted caused by grease.
In this year, with the progress of nanotechnology, Chinese Academy of Sciences's system research and development has gone out a kind of building material surface processing technique, skill
Art principle is building material surface one layer of colorless and transparent nano material of coating in high level of cleanliness, since nano material is with outstanding
Photochemical activity absorbs luminous energy, the organic matter for being deposited on external surface of buildings is urged automatically under the action of sunlight or ultraviolet light
Change and decompose, lose the adhesive capacity with building material surface, when rainy, sediment can flow away with rainwater, reach and exempt from for a long time clearly
The purpose washed.And common chemical cleaning method, the detergent of some strong acid and strong bases used, outer surface of building is not only damaged, clearly
It washes inefficiency and will affect the physical and mental health of personnel in cleanup crew and building.
And spray gun traditional used by coating at present, not only detergent can rebound, and detergent windage increases, and right
The health of operating personnel also has certain influence.
File CN201210514852.3 discloses a kind of manufacture of automatically cleaning spray coating liquor and application method, the automatically cleaning
The application method of spray coating liquor, it is characterised in that spraying can be used or brushing mode carries out coating, embodiment 3 is using " by automatically cleaning
Spray coating liquor injects in flush coater, directly sprays in glass surface at room temperature (air humidity is less than 85% within the scope of 4-40 DEG C)
It applies, ceramic surface must dry no floating dust, and spraying direction is consistent, and is sprayed flow and be preferred so that glass can be completely covered, no
Inversion phenomenon can be generated, it is 10 minutes dry after spraying." and the method not can solve detergent rebound still, detergent dissipates
Vector increases, and threatens the problem of health of operating personnel etc..
Therefore, to overcome disadvantages mentioned above, the external surface of buildings nanometer based on photocatalysis technology that the present invention provides a kind of
Coating self cleaning method.
Summary of the invention
In view of this, one of the objects of the present invention is to provide one kind, and external surface of buildings to be made to keep clean method, tool
Body is a kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology, and this method can be by detergent such as nanometer
Mild detergent is packed into the nano-spray device, and is sprayed at external surface of buildings using the nano-spray device,
The composite film of 150-250nm is formed in external surface of buildings, the composite film includes that the super hydrophilic layer of nanometer, nanometer light are urged
Change layer and nanometer binder course.
To achieve the above object, the present invention uses following scheme:
The present invention provides a kind of the external surface of buildings nanometer coating self cleaning method based on photocatalysis technology, the coating
Self cleaning method has used a kind of novel nano-spray device, and the spray equipment includes HVLP spray gun (1), watering can (2), soft
Pipe (3), shoulder belt (4) and motor (5), the nozzle (10) of the HVLP spray gun (1) have nozzle cover (6), the HVLP spray gun (1)
Top is equipped with watering can lid (7), and lid (8) are arranged at watering can (2) bottom；The self cleaning method is to fill nanometer mild detergent
Enter in the watering can (2), open the motor (5), the nozzle (10) of the HVLP spray gun (1) is made to be directed at outer surface of building, button
Trigger action (9) is sprayed, and nanometer mild detergent is allowed to spontaneously dry after spraying.
The self cleaning method specifically includes the following steps:
1) first the watering can (2) are installed by the watering can lid (7) above HVLP spray gun (1), opens the watering can (2)
The lid (8) of bottom, nanometer mild detergent is fitted into the watering can (2), then covers the lid (8) of the watering can (2) bottom；
The end A (11) of hose (3) is connected with the HVLP spray gun (1), then the end B (12) of hose (3) is connected with motor (5)；
2) shoulder belt (4) is adjusted, enables devices to stablize use, open motor (5), it is deep having carried out standardization
Spend face outside clean building and carry out spray-coating, in use, the HVLP spray gun (1) be by palm, thumb, little finger of toe and
The third finger is held, and middle finger and index finger carry out cocking (9) operation；
3) it is whether normal that the trace sprayed is first tested on waste material, starts to spray after normal, the HVLP spray gun
(1) vertical angle should be kept with outer surface of building always, equal distance is kept, moves in parallel, each spraying trace is answered
With the overlapping one third of last time, nanometer mild detergent is allowed to spontaneously dry after spraying.
HVLP spray gun (1) (high-volume, low-pressure) atomizing type is different from conventional lance, it is not
Only the air pressure at spray gun blast cap carries out the atomization of coating, but the air stream for cooperating blast cap orifice to eject is come to painting
The perfect atomization of material.When spraying air pressure is 2.0 bars, the atomizing pressure of blast cap is no more than 0.7 bar, since atomization air pressure is more traditional
Spray gun is greatly reduced, therefore coating cloud rebound and windage are reduced, and the transmission efficiency of coating is higher than 65% or more and (meets American-European ring
Guarantor's regulations), the spraying gimmick according to spray painting master worker is different, saves paint amplitude up to 10%~30% or so.Because of the movement of spray gun
Speed is about per second to be no more than 60 centimetres, so the lost of coating be greatly reduced will, thus, while playing protection environment,
Also there is a good guarantee to the health of operating personnel, be a kind of spray gun of high-efficiency environment friendly.
A kind of efficient nano neutrality cleaner in environmental protection that the nanometer mild detergent used is researched and developed by present invention applicant,
This detergent, which can use photocatalysis technology, decomposes the organic matter autocatalysis for being deposited on external surface of buildings, while also avoiding
External surface of buildings bring is damaged using soda acid detergent.
Further, the watering can (2) is connected by the watering can lid (7) with HVLP spray gun (1).
Further, the HVLP spray gun (1) connect with the end A (11) of hose (3).
Further, the motor (5) connect with the end B (12) of hose (3).
Further, the hose (3) has 2.0 meters.
Further, the best spray distance of the HVLP spray gun (1) is 200-300mm.
Further, the maximum injection flow of the HVLP spray gun (1) is 1000 (L/min).
Further, the capacity of the watering can (2) is 1.5L.
The capacity of the watering can (2) is larger, can be convenient operating personnel and carries out painting operation, reduces unnecessary volume detergent
Fill operations.
Further, left side of the position of the shoulder belt (4) in HVLP spray gun (1).By taking Fig. 1 as an example, towards computer screen
The one side of curtain is left side.
Further, the length of the shoulder belt (4) is adjustable.
The length that shoulder belt (4) can be adjusted according to the height of operating personnel and figure, enables cleaning device steadily
Carry out painting operation.
Further, the time that nanometer mild detergent spontaneously dries in spraying operation step 3) is 20-30 minutes.
The beneficial effects of the present invention are: 1) a kind of provided by the invention external surface of buildings based on photocatalysis technology receive
Rice coating self cleaning method uses the efficient nano mild detergent of environmental protection, avoids the damage to external surface of buildings,
And the organic matter autocatalysis for being deposited on external surface of buildings is decomposed using photocatalysis technology, reaching holds building surface
Continuous self-cleaning, long-acting bacteriostatic promote environmental quality；2) the method for the present invention uses HVLP spray gun (1), greatly improves cleaning
The transmission efficiency of agent reduces distribution loss, has ensured the health of operating personnel；3) self cleaning method of the invention uses model
Enclose the especially cleaning especially suitable for some high-altitude external surface of buildings extensively, because use can generate after this method it is lasting from
Cleaning action, therefore be also a kind of guarantee to the safety of high altitude operation personnel.
Detailed description of the invention
Fig. 1 is a kind of novel nano-spray apparatus structure schematic diagram.
It is each in figure that the reference numerals are as follows.
HVLP spray gun -1, watering can -2, hose -3, shoulder belt -4, motor -5, nozzle cover -6, the watering being connect with HVLP spray gun
Cover -7, the lid -8 of watering can bottom, trigger -9, nozzle -10, the end hose A -11, soft pipe B end -12.
Specific embodiment
Illustrated embodiment is in order to which preferably the present invention will be described, but is not that the contents of the present invention are limited only to institute
For embodiment.So those skilled in the art according to foregoing invention content to embodiment carry out it is nonessential improvement and
Adjustment, still falls within protection scope of the present invention.
A kind of novel nano-spray device of embodiment 1
As shown in Figure 1, a kind of novel spray equipment includes HVLP spray gun (1), watering can (2), hose (3), shoulder belt (4)
Have nozzle cover (6) with the nozzle (10) of motor (5), the HVLP spray gun (1), watering can lid is equipped with above the HVLP spray gun (1)
(7), watering can (2) bottom has lid (8), and the watering can (2) is connected by the watering can lid (7) with HVLP spray gun (1), described
HVLP spray gun (1) is connect with the end A (11) of hose (3), and the motor (5) connect with the end B (12) of hose (3), the hose
(3) there are 2.0 meters, the capacity of the watering can (2) is 1.5L, and the length of the shoulder belt (4) is adjustable.
The best spray distance of the HVLP spray gun (1) of the device is 200-300mm, and maximum injection flow is 1000 (L/
min)
A kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology of embodiment 2
A kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology, using the device of embodiment 1
It carries out, comprising the following steps:
1) first the watering can (2) are installed by the watering can lid (7) above HVLP spray gun (1), opens the watering can (2)
The lid (8) of bottom, nanometer mild detergent is fitted into the watering can (2), then covers the lid (8) of the watering can (2) bottom；
The end A (11) of hose (3) is connected with the HVLP spray gun (1), then the end B (12) of hose (3) is connected with motor (5)；
2) shoulder belt (4) is adjusted, enables devices to stablize use, open motor (5), it is deep having carried out standardization
Spend face outside clean building and carry out spray-coating, in use, the HVLP spray gun (1) be by palm, thumb, little finger of toe and
The third finger is held, and middle finger and index finger carry out cocking (9) operation；
3) it is whether normal that the trace sprayed is first tested on waste material, starts to spray after normal, the HVLP spray gun
(1) vertical angle should be kept with outer surface of building always, equal distance is kept, moves in parallel, each spraying trace is answered
With the overlapping one third of last time, nanometer mild detergent is allowed to spontaneously dry after spraying 20 minutes.
A kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology of embodiment 3
A kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology, using the device of embodiment 1
It carries out, comprising the following steps:
1) first the watering can (2) are installed by the watering can lid (7) above HVLP spray gun (1), opens the watering can (2)
The lid (8) of bottom, nanometer mild detergent is fitted into the watering can (2), then covers the lid (8) of the watering can (2) bottom；
The end A (11) of hose (3) is connected with the HVLP spray gun (1), then the end B (12) of hose (3) is connected with motor (5)；
2) shoulder belt (4) is adjusted, enables devices to stablize use, open motor (5), it is deep having carried out standardization
Spend face outside clean building and carry out spray-coating, in use, the HVLP spray gun (1) be by palm, thumb, little finger of toe and
The third finger is held, and middle finger and index finger carry out cocking (9) operation；
3) it is whether normal that the trace sprayed is first tested on waste material, starts to spray after normal, the HVLP spray gun
(1) vertical angle should be kept with outer surface of building always, equal distance is kept, moves in parallel, each spraying trace is answered
With the overlapping one third of last time, nanometer mild detergent is allowed to spontaneously dry after spraying 25 minutes.
A kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology of embodiment 4
A kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology, using the device of embodiment 1
It carries out, comprising the following steps:
The self cleaning method specifically includes the following steps:
1) first the watering can (2) are installed by the watering can lid (7) above HVLP spray gun (1), opens the watering can (2)
The lid (8) of bottom, nanometer mild detergent is fitted into the watering can (2), then covers the lid (8) of the watering can (2) bottom；
The end A (11) of hose (3) is connected with the HVLP spray gun (1), then the end B (12) of hose (3) is connected with motor (5)；
2) shoulder belt (4) is adjusted, enables devices to stablize use, open motor (5), it is deep having carried out standardization
Spend face outside clean building and carry out spray-coating, in use, the HVLP spray gun (1) be by palm, thumb, little finger of toe and
The third finger is held, and middle finger and index finger carry out cocking (9) operation；
3) it is whether normal that the trace sprayed is first tested on waste material, starts to spray after normal, the HVLP spray gun
(1) vertical angle should be kept with outer surface of building always, equal distance is kept, moves in parallel, each spraying trace is answered
With the overlapping one third of last time, nanometer mild detergent is allowed to spontaneously dry after spraying 30 minutes.
5 effect disquisition of embodiment
1. pair city high-altitude external surface of buildings utilizes the novel nano-spray device and embodiment 2-4 of embodiment 1
Method carries out cleaning renovation, and the final clean outer surface of building of institute continues self-cleaning, and by taking Chongqing region as an example, quality guarantee is up to 5-8
Has the multiple advantage of energy conservation and environmental protection in year.
2. pair velocity tunnel outer surface using embodiment 1 novel nano-spray device and embodiment 2-4 method into
Row cleaning renovation finally continues air in antifouling and purification tunnel, strengthens tail gas degradation, and highest degradation efficiency is up to 97.8%.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (10)
1. a kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology, which is characterized in that the coating is certainly
Clean method has used a kind of novel nano-spray device, and the spray equipment includes HVLP spray gun (1), watering can (2), hose
(3), the nozzle (10) of shoulder belt (4) and motor (5), the HVLP spray gun (1) has nozzle cover (6), above the HVLP spray gun (1)
Equipped with watering can lid (7), lid (8) are arranged at watering can (2) bottom；The self cleaning method is will be described in the loading of nanometer mild detergent
In watering can (2), the motor (5) are opened, the nozzle (10) of the HVLP spray gun (1) is made to be directed at outer surface of building, cocking
(9) it is sprayed, nanometer mild detergent is allowed to spontaneously dry after spraying.
2. a kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology according to claim 1,
It is characterized in that, the watering can (2) is connected by the watering can lid (7) with HVLP spray gun (1).
3. a kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology according to claim 1,
It is characterized in that, the HVLP spray gun (1) connect with the end A (11) of hose (3).
4. a kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology according to claim 1,
It is characterized in that, the motor (5) connect with the end B (12) of hose (3).
5. a kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology according to claim 1,
It is characterized in that, the hose (3) has 2.0 meters.
6. a kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology according to claim 1,
It is characterized in that, the best spray distance of the HVLP spray gun (1) is 200-300mm, the maximum injection of the HVLP spray gun (1)
Flow is 1000 (L/min).
7. a kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology according to claim 1,
It is characterized in that, the capacity of the watering can (2) is 1.5L.
8. a kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology according to claim 1,
It is characterized in that, left side of the position of the shoulder belt (4) in HVLP spray gun (1).
9. a kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology according to claim 8,
It is characterized in that, the length of the shoulder belt (4) is adjustable.
10. a kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology according to claim 1,
It is characterized in that, the time that nanometer mild detergent spontaneously dries is 30-60 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591088.3A CN109569918A (en) | 2018-12-25 | 2018-12-25 | A kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591088.3A CN109569918A (en) | 2018-12-25 | 2018-12-25 | A kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109569918A true CN109569918A (en) | 2019-04-05 |
Family
ID=65931677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811591088.3A Pending CN109569918A (en) | 2018-12-25 | 2018-12-25 | A kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109569918A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203437241U (en) * | 2013-08-29 | 2014-02-19 | 刘顺钊 | High-precision paint face spray gun |
| CN104095592A (en) * | 2014-07-09 | 2014-10-15 | 上海交通大学 | Method for cleaning building surface by wet sand spraying |
| CN205833694U (en) * | 2016-05-25 | 2016-12-28 | 郑俊明 | A kind of mechanical type visually cleans device |
| CN206509901U (en) * | 2016-12-30 | 2017-09-22 | 青岛理工大学 | Expanding machine driving refrigeration low-temperature cooling nano-particle jet micro lubricating feed system |
| CN208018805U (en) * | 2018-02-02 | 2018-10-30 | 武汉华庆汽车部件有限公司 | A kind of cleaning spray gun for assisting cleaning |
| CN208213508U (en) * | 2018-03-26 | 2018-12-11 | 佛山市南海区狮山正隆皮业有限公司 | A kind of scytoblastema spray equipment with emission-control equipment |
| US20190388917A1 (en) * | 2017-03-16 | 2019-12-26 | Positec Power Tools (Suzhou) Co., Ltd. | Hand-held high-pressure cleaning machine and adapter |
-
2018
- 2018-12-25 CN CN201811591088.3A patent/CN109569918A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203437241U (en) * | 2013-08-29 | 2014-02-19 | 刘顺钊 | High-precision paint face spray gun |
| CN104095592A (en) * | 2014-07-09 | 2014-10-15 | 上海交通大学 | Method for cleaning building surface by wet sand spraying |
| CN205833694U (en) * | 2016-05-25 | 2016-12-28 | 郑俊明 | A kind of mechanical type visually cleans device |
| CN206509901U (en) * | 2016-12-30 | 2017-09-22 | 青岛理工大学 | Expanding machine driving refrigeration low-temperature cooling nano-particle jet micro lubricating feed system |
| US20190388917A1 (en) * | 2017-03-16 | 2019-12-26 | Positec Power Tools (Suzhou) Co., Ltd. | Hand-held high-pressure cleaning machine and adapter |
| CN208018805U (en) * | 2018-02-02 | 2018-10-30 | 武汉华庆汽车部件有限公司 | A kind of cleaning spray gun for assisting cleaning |
| CN208213508U (en) * | 2018-03-26 | 2018-12-11 | 佛山市南海区狮山正隆皮业有限公司 | A kind of scytoblastema spray equipment with emission-control equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206604696U (en) | A kind of plank paint spraying apparatus | |
| CN206413527U (en) | A kind of controllable type possesses air cleaning unit crop field Irrigation shower head | |
| CN209145240U (en) | A kind of adjustable buildings decoration flush coater of spray range | |
| CN205199819U (en) | Telescopic spray booth clean system | |
| CN109569918A (en) | A kind of external surface of buildings nanometer coating self cleaning method based on photocatalysis technology | |
| CN206277844U (en) | One kind improvement dust-free black board eraser | |
| CN209188447U (en) | A kind of hydrogen chloride absorption tower with net depressed structure for pyridaben production | |
| CN209348890U (en) | A kind of paint spraying apparatus with splashguard function | |
| CN207646665U (en) | A kind of Multifunctional spraying car | |
| CN108192503A (en) | A kind of lay the dust subtracts building external paint and its application of haze | |
| CN205761998U (en) | A kind of paint spray booth | |
| CN205804254U (en) | A kind of public Environmental-protecting dust-removing equipment | |
| CN205476363U (en) | Herbaceous fibre lacquer spraying device | |
| CN201906684U (en) | Air supply and exhaust system of coating spray booth | |
| CN211368557U (en) | Improved pipe network structure of spraying equipment for preventing and treating atmospheric pollution | |
| CN204710012U (en) | Duct type dust filter unit | |
| CN206996936U (en) | A kind of environmentally friendly shape water curtain paint spray booth | |
| CN209093669U (en) | A kind of highway maintenance painting spraying device | |
| CN207769438U (en) | A kind of dust-extraction unit of exhaust fan | |
| CN204147725U (en) | Paint mist purification treatment device | |
| CN212820721U (en) | Device is applied paint with a brush to granite protective agent of subway station humid environment | |
| CN105523016A (en) | Vehicle surface cleaner | |
| CN205570659U (en) | Paint spray chamber | |
| CN105435558A (en) | Air cleaning tower apparatus | |
| CN205392861U (en) | Paint spraying machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190405 |
|
| RJ01 | Rejection of invention patent application after publication |