CN207593569U - A kind of high pressure atomizing ship rust removalling equipment - Google Patents
A kind of high pressure atomizing ship rust removalling equipment Download PDFInfo
- Publication number
- CN207593569U CN207593569U CN201721550880.5U CN201721550880U CN207593569U CN 207593569 U CN207593569 U CN 207593569U CN 201721550880 U CN201721550880 U CN 201721550880U CN 207593569 U CN207593569 U CN 207593569U
- Authority
- CN
- China
- Prior art keywords
- water
- spray gun
- derusting
- pipe
- ship
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of high pressure atomizing ship rust removalling equipments, including sand blasting unit and priming apparatus, sand blasting unit includes resevoir sand tank, compressed air distributor, the threeway of gas sand mixed flow, blast tube and the spray gun being connected with blast tube, priming apparatus includes pressurized water pump group, pressure water dispenser and water-supply-pipe, one end access spray gun of water-supply-pipe.The utility model is in the case where keeping efficient, the suitable gradient preferable between steel surface roughness and skin of paint section of original derusting by sandblasting operation, take full advantage of the original sandblasting implement of ship derusting enterprise and operating procedure, it restrained effectively the corrosion powder airborne dust that derusting by sandblasting operation is brought, the influence that floating airborne dust brings workplace and environment adjacent is eliminated, a kind of feasible steel plate derusting innovative technology is provided for Ship's Repair.
Description
Technical field
The utility model belongs to ship derusting technical field more particularly to a kind of high pressure atomizing ship rust removalling equipment.
Background technology
Ship passes through the operation or navigation of certain time, the surface of planking or Ship Structure, can be by under marine environment
More serious corrosion layer is gradually formed, such as handles not in time, hidden danger can be brought to ship's structural strength and navigation safety.Cause
This, ship needs periodically to carry out derusting and spray paint operation again to shiyard.
Derusting by sandblasting is a kind of ship derusting technology that current repair enterprise generally uses, in the field of business always for many years to obtain
It is widely used, is a kind of ship derusting technology of maturation.Before derusting by sandblasting operation is carried out, need first with high pressure water to rust
The surface of steel plate of erosion is rinsed, and punching after surface of steel plate drying, then is sprayed except marine growth, dirt and the salinity of attachment
Sand derusting operation.
Existing derusting by sandblasting operation is when the compressed air of 0.7MPa is flowed through gas sand mixed flow threeway, will be in resevoir sand tank
Copper ashes sand, which is inhaled at a high speed, flows into blast tube, then the spray gun by sandblasting pipe end, copper ashes sand is ejected into surface of steel plate at a high speed, in copper
Under the impact of slag sand, the corrosion layer of surface of steel plate is impacted, and is replaced by continuous spray gun, completes the big face to surface of steel plate
Product derusting.The technology is while thoroughly removal surface of steel plate corrosion layer, moreover it is possible to which the steel plate required by reaching oil paint coating " removes
(steel surface exposes canescence meat), suitable surface roughness (more uniform tiny point hole) and skin of paint section in vain "
Between the gradient surface quality, to meet the requirement of the technical standard of related paint spraying so that ideal can be obtained after oil paint coating
Adhesive force, avoid fresh oil lacquer coat in a short time because adhesive force not enough due to peel off quickly, and generate new corrosion layer.It is spraying
After the completion of sand derusting, it is also necessary to steel plate derusting surface is purged with compressed air, blows down the corrosion dust adhered to after sandblasting,
Then the painting operation of paint is completed again.
There are a serious problems for above-mentioned derusting by sandblasting operation, are exactly in derusting by sandblasting operation, can generate dry corrosion
The airborne dust of dust, causes air pollution, and larger negative effect is generated to construction personnel and environment adjacent.For sandblasting operation this
One present situation, repair enterprise take many methods and are coped with, such as：In sandblasting operation, entire operation is covered with Air Filter
Spray waterwall, the derusting using fog gun spraying dust elimination, exploration and research using other forms are laid in place in Active workings surrounding
Operating type etc..But up to the present, repair enterprise searches out an ideal replacement derusting technology not yet, causes to repair
Ship enterprise has to reduce airborne dust by reducing sandblasting workload, and the airborne dust of sandblasting operation produces band to the normal of repair enterprise
Serious influence is carried out.
Since derusting by sandblasting operation has serious airborne dust, repair enterprise introduces high-pressure water derusting skill one after another in a period of time
Art, this technological innovation that derusts well for undoubtedly becoming repair enterprise reply derusting operation airborne dust is attempted, in repair enterprise
In also persistently promoted many years.While completing to derust operation, water mist and corrosion mix dust can obtain high-pressure water
It is ideal to eliminate airborne dust effect.
However, high-pressure water derusting technology has following several insufficient and limitations：1st, the efficiency of single rifle derusting is very low, ship
Bottom case " except white " efficiency is only about 1/3rd of derusting by sandblasting operation, and meeting specialized paint coating on occasion can be slower；2nd, surpass
Steel surface roughness after hydroblasting does not have too big improvement, that is, the basic phase of roughness of surface of steel plate before and after derusting
Together, under normal circumstances, the steel surface roughness under corrosion layer can not possibly meet the technical standard requirement of oil paint coating；3rd, superelevation
After pressing water derusting, the skin of paint gradient (the skin of paint ladder of a type terrace-type) cannot be formed between old painting layer section, is caused
It can not staggeredly be overlapped between fresh oil lacquer coat, so as to influence the binding force between new and old painting layer；4th, producer is painted not yet
Develop the corresponding mating painting of great variety of goods；5th, it uses high-pressure water derusting instead, needs to increase by 2 dollars of expense per square meter
With full ship derusting can then increase the expense of millions of dollars, even tens of thousands of U.S. dollars, therefore shipowner cannot receive high-pressure water derusting and make
Industry；6th, enterprise needs in addition to purchase tens high-pressure water units, and production cost is significantly increased；7th, it is changed to high-pressure water derusting skill
Postoperative, a large amount of derusting by sandblasting equipment can be idle, and cause very big waste；8th, operator need carry out new technology study and
Training on operation, cost of labor increase.
It can be seen that the prior art is up for further improving.
Utility model content
In place of avoiding above-mentioned the shortcomings of the prior art, a kind of high pressure atomizing ship rust removalling equipment is provided, with suppression
While corrosion powder airborne dust processed, reach the plate surface quality for meeting the requirement of oil paint coating standard.
Technical solution is used by the utility model：
A kind of high pressure atomizing ship rust removalling equipment, including sand blasting unit and priming apparatus, the sand blasting unit includes storage sand
Tank, compressed air distributor, the threeway of gas sand mixed flow, blast tube and spray gun, the resevoir sand tank memory contain copper ashes sand, resevoir sand tank
Bottom end be provided be connected with resevoir sand tank go out sandpipe, go out sandpipe and be connected with the gas sand mixed flow threeway, the compressed air point
Compressed air inlet pipe is connected at the air inlet of orchestration, gas outlet is provided on compressed air distributor, is connected at gas outlet
Have compressed air air outlet pipe, compressed air air outlet pipe is connected with gas sand mixed flow threeway, the threeway of gas sand mixed flow also with the blast tube
It is connected, the other end of blast tube is connected with the spray gun；The priming apparatus includes pressurized water pump group, pressure water dispenser and defeated
Water pipe, the water inlet of the pressure water dispenser are connected with pressurized water pump group, and water outlet is provided on pressure water dispenser, water outlet
Mouth is connected with the water-supply-pipe, and the other end of water-supply-pipe accesses the spray gun.
The end of the blast tube is provided with spray gun seat, and the spray gun is arranged in spray gun seat.
The spray gun is single air inlet spray gun, and water inlet is provided in the spray gun seat, and water inlet is provided with water supply connector,
The water-supply-pipe is connected by the water supply connector with the water inlet.
The spray gun is double air inlet spray guns, several radial direction wind-supplying mouths are provided in the middle part of double air inlet spray guns, one of them
Radial direction wind-supplying mouth is provided with into water steel bushing on the outside of the middle part of double air inlet spray guns as water inlet, on steel bushing of intaking with it is described into
The opposite place in mouth of a river position is provided with into water rubber hose coupling, and the water-supply-pipe passes through rubber hose coupling and the water inlet phase of intaking
Connection.
Two seals are provided between the water inlet steel bushing and double air inlet spray gun outer walls, two seals are located at institute respectively
It states into the both sides of water rubber hose coupling.
Go out described in each in sandpipe and each compressed air air outlet pipe and be both provided with ball valve.
Air manometer is provided on the compressed air distributor.
By adopting the above-described technical solution, having the beneficial effect that acquired by the utility model：
1st, compressed air, copper ashes sand and water are sufficiently mixed by the utility model in spray gun, and it is aqueous to eject high speed
Sand column impacts hull plate corrosion layer, can quickly make surface of steel plate " except white ", corrosion dust can fully be inhaled in this process
Moisture is received, is gathered into big wet granular, it is rapid to settle after impulse inertia is lost, achieve the effect that preferably to eliminate airborne dust,
Improve working environment.
2nd, the utility model is while good dust removing effects are received, moreover it is possible to reach and meet the requirement of oil paint coating standard
Plate surface quality, i.e., the suitable gradient between suitable roughness and skin of paint section, to obtain the deck of boat of high quality in next step
Painting layer is laid a good foundation.
3rd, using the utility model, paint enterprise need not put into a large amount of fund and research and develop mating fresh paint production with the time
Product, ship derusting enterprise need not increase substantial contribution and purchase high-pressure water unit etc., and a large amount of sandblasting operation that need not leave unused is set
It is standby, in addition, carrying out the study and operation of new technology again using the utility model operating personnel original without ship derusting enterprise
Skills training, using the device and method in the utility model, the original grit blasting operation technology of binding operation personnel and experience are
It can complete derusting operation.
Description of the drawings
Fig. 1 is the structure diagram that spray gun is singly entered the wind in the utility model embodiment 1.
Fig. 2 is the structure diagram of double air inlet spray guns in the utility model embodiment 2.
Fig. 3 is the structure diagram of spray gun seat in the utility model.
Fig. 4 is the structure diagram of water inlet steel bushing in the utility model.
Fig. 5 is the installation diagram of resevoir sand tank, air pressure distribution device, blast tube etc. in the utility model.
Fig. 6 is that spray gun and spray gun seat, the installation diagram of blast tube are singly entered the wind in the utility model embodiment 1.
Fig. 7 be double air inlet spray guns and spray gun seat in the utility model embodiment 2, blast tube, steel bushing of intaking installation diagram.
Fig. 8 is the assembling schematic diagram of the utility model embodiment 1.
Fig. 9 be using device and method derust to ship described in the utility model after, between ship oil enamelled coating section
Gradient schematic diagram.
Wherein,
1st, single air inlet spray gun 2, double air inlet spray guns 3, spray gun seat 4, water inlet steel bushing 5, water inlet rubber hose coupling 6, fixed spiral shell
Bolt 7, sealing ring 8, resevoir sand tank 9, air manometer 10, compressed air distributor 11, compressed air inlet pipe 12, ball valve
13rd, gas sand mixed flow threeway 14, blast tube 15, water-supply-pipe 16, water supply connector 17, water pressure gauge 18, pressure water dispenser 19,
20, four layers of painting layer 21 of pressurized water pump group, " except white " face
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but the utility model
It is not limited to these embodiments.
Embodiment 1：
As shown in Fig. 1, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 8, a kind of high pressure atomizing ship rust removalling equipment, including sand blasting unit
And priming apparatus.
The sand blasting unit includes resevoir sand tank, compressed air distributor, the threeway of gas sand mixed flow, blast tube and spray gun.
The resevoir sand tank memory contains copper ashes sand, and what the bottom end of resevoir sand tank was provided with that several are connected with resevoir sand tank shakes out
Pipe, one goes out sandpipe and is correspondingly connected with a gas sand mixed flow threeway.Go out described in each on sandpipe and be both provided with ball valve.
Air manometer is provided on the compressed air distributor.It is connected at the air inlet of the compressed air distributor
There is compressed air inlet pipe, the compressed air inlet pipe is connected with the pneumatic manifold of depressed place on the bank.The compressed air
Pressure is 0.7MPa.The gas outlet identical with gas sand mixed flow threeway quantity, each outlet are provided on the compressed air distributor
Compressed air air outlet pipe is connected separately at mouthful, a compressed air air outlet pipe is correspondingly connected with a gas sand mixed flow threeway.Each institute
It states and is both provided with ball valve in compressed air air outlet pipe.
One gas sand mixed flow threeway is correspondingly connected with a blast tube, and the other end of each blast tube is correspondingly connected with an institute
State spray gun.
The priming apparatus includes pressurized water pump group, pressure water dispenser and water-supply-pipe.
Water pressure gauge is provided on the pressure water dispenser.The water inlet of the pressure water dispenser and pressurized water pump group phase
Even, pressure water dispenser is provided with the water outlet that or quantity equal with the gas sand mixed flow threeway quantity is more than gas sand mixed flow threeway
Mouthful.Each water outlet is both provided with water valve.One water outlet is correspondingly connected with a water-supply-pipe, the other end of water-supply-pipe
Access the spray gun.The discharge pressure of the pressurized water pump group is not less than 0.5MPa.
The end of the blast tube is provided with spray gun seat, and the spray gun is arranged in spray gun seat.The spray gun is entered the wind to be single
Spray gun is provided with water inlet in the spray gun seat, and water inlet is provided with water supply connector, and the water-supply-pipe is connect by the water inlet
Head is connected with the water inlet.
When carrying out ship derusting using the high pressure atomizing equipment of the present embodiment, operating personnel stand in the high-altitude for being placed in dock bottom
On vehicle job platform, after pistol reaches derusting operation position, ball valve is opened, starts pressurized water pump group pressure supply water, spray gun
High speed aquifer sandy column can be ejected, constantly moves job platform, transformation lance ejection point position, you can carry out the large area of steel plate
Derusting
As shown in figure 9, after carrying out ship derusting using the high pressure atomizing rust removalling equipment in the utility model, ship housing table
Between top coat layer section compared to use high-pressure water derust for have the apparent class terraced fields gradient, paint can be met well
Application techniques standard requirement.The figure of top in Fig. 9, after former four layers of painting layer 20 of ship are using high-pressure water derusting, ship steel
Without the gradient between the enamelled coating section in plate " except white " face 21；The figure of lower section, former four layers of painting layer 20 of ship are removed using high pressure atomizing in Fig. 9
It is in the class terraced fields gradient between the enamelled coating section in shipbuilding steel plate " except white " face 21 after rust.
Embodiment 2：
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 7, a kind of high pressure atomizing ship rust removalling equipment, the structure of the present embodiment and
Principle is substantially the same manner as Example 1, and unique different place is：
The spray gun is double air inlet spray guns, several radial direction wind-supplying mouths are provided in the middle part of double air inlet spray guns, one of them
Radial direction wind-supplying mouth is as water inlet.It is provided on the outside of the middle part of double air inlet spray guns into water steel bushing.Water inlet steel bushing passes through fastening
Bolt is mounted on double air inlet spray guns.The place opposite with the water inlet position is provided with into water sebific duct on water inlet steel bushing
Connector, the water-supply-pipe are connected by rubber hose coupling of intaking with the water inlet.Outside the water inlet steel bushing and double air inlet spray guns
Two seals are provided between wall, two seals are located at the both sides of the water inlet rubber hose coupling respectively.
Double air inlet spray guns in the present embodiment are different from the installation position of the water inlet of single air inlet spray gun in embodiment 1,
But water sand mixes spray and the effect of dense fog is not different with embodiment 1.
When carrying out ship derusting operation using above equipment, job platform of operator's standing on the high altitude vehicle of dock bottom
On, pistol；Job platform is pushed to derusting station by operation high altitude vehicle, opens compressed air distributor and booster water pump
Group derusts into horizontal high voltage atomizing and operates.After the completion of the derusting of high pressure atomizing, using high pressure water from top to bottom to the steel plate whole table that derusts
Face carries out high pressure water washing, rinses out the adhesion and particulate matter of surface of steel plate, obtains clean hull plate surface.High pressure water
After rinsing surface of steel plate, compressed air purging surface of steel plate is used, it is ensured that surface of steel plate keeps dry no moisture, to carry out down
The oil paint coating operation of one step.
The derusting of high pressure atomizing derusting technology described in the utility model is further verified and illustrated below with one group of experiment
Plate surface quality and airborne dust situation after efficiency, derusting：
This verification test is implemented on Maersk company container ship " Sheng Magao " wheel repaired in factory.The container
Ship is 318.4 meters of overall length, 40 meters of molded breadth, the container ship of 6648 standard containers.Planking below the ship deep waterline needs
Whole " except white ", " except white " area is about 17500 square metres, has used 60 bar spray guns altogether, is carried out continuously 24 hours uninterruptedly
Derusting by sandblasting operation.Under normal circumstances, the ship all operations " except white " are completed, about need 96 hours.
In order to test and verify the rust cleaning efficiency of different derusting technologies, plate surface quality and airborne dust situation, in " holy horse
During height " wheel derusting by sandblasting operation, there is provided 2 pieces of 3 × 3=9M2With 1 piece of 3 × 0.5=1.5M2Waterline under planking region, use
In carrying out derusting operation contrast test, using same " except white " effect as derusting standard, respectively to derusting speed, derusting steel plate
The gradient and visual airborne dust situation are tested and are compared between surface roughness, skin of paint section.It measures and comparing result is as follows：
Derusting by sandblasting：9M2Sandblasting take 2 hours 57 points 37 seconds, derust about 3.04 flat ms/h of speed, surface roughness
Average value is 75.6 microns, visually has the skin of paint section gradient, visually has serious airborne dust, float apart from far；
High-pressure water derusts：3M2Derusting take 2 hours 51 points 25 seconds, derust about 1.05 flat ms/h of speed, surface is thick
Rugosity average value (has several pieces of more serious corrosion patches, other of non-corrosion patch remove for 51.6 microns in the range of special derusting
It is close with the roughness of high pressure atomizing derusting at rust), visually without the skin of paint section gradient, visually have in the range of 3 to 5 meters compared with
Dense water mist group, the time that water mist group disappears is longer, visually without airborne dust；
High pressure atomizing derusts：9M2Sandblasting take 2 hours 56 points 28 seconds, derust about 3.06 flat ms/h of speed, surface is thick
Rugosity average value is 74.3 microns, visually has the skin of paint gradient, visually there is water dust mixing fog in 2 to 3 meters, mist can disappear rapidly
It loses, visually without airborne dust.Wherein single air inlet is identical with the measured value of double air inlet spray guns.
It is found by comparing, carrying out ship derusting using high pressure atomizing rust removalling equipment described in the utility model can be effective
Ground eliminates the corrosion powder airborne dust of ship derusting by sandblasting operation generation, and its operating efficiency that derusts is high, and planking " removes under waterline
It is about high-pressure water derusting three times of speed in vain ", in addition, the high pressure atomizing derusting technology using the utility model derusts
Afterwards, the gradient between the surface roughness after steel plate derusting and skin of paint section, is satisfied by the application techniques standard requirement of paint.
The utility model overcomes the weakness that existing derusting by sandblasting technology generates serious airborne dust, is keeping original derusting by sandblasting
In the case of efficient, the suitable gradient preferable between steel surface roughness and skin of paint section of operation, take full advantage of ship and remove
Become rusty the original sandblasting implement of enterprise and operating procedure, restrained effectively the corrosion powder that derusting by sandblasting operation is brought and raises
Dirt eliminates the influence that floating airborne dust brings workplace and environment adjacent, a kind of feasible steel is provided for Ship's Repair
Plate derusting innovative technology.
The part do not addressed in the utility model uses or uses for reference prior art and can be realized.
Specific embodiment described herein is only the spiritual example explanation to the utility model.This practicality
Novel person of ordinary skill in the field can do various modifications or additions to described specific embodiment or adopt
It is substituted with similar mode, but without departing from the spirit of the present application or surmounts model defined in the appended claims
It encloses.
Claims (7)
1. a kind of high pressure atomizing ship rust removalling equipment, which is characterized in that including sand blasting unit and priming apparatus, the sand blasting unit
Copper ashes sand is contained including resevoir sand tank, compressed air distributor, the threeway of gas sand mixed flow, blast tube and spray gun, the resevoir sand tank memory,
The bottom end of resevoir sand tank be provided be connected with resevoir sand tank go out sandpipe, go out sandpipe and be connected with the gas sand mixed flow threeway, the pressure
Compressed air inlet pipe is connected at the air inlet of contracting air distributor, gas outlet, outlet are provided on compressed air distributor
Mouthful at be connected with compressed air air outlet pipe, compressed air air outlet pipe is connected with gas sand mixed flow threeway, the threeway of gas sand mixed flow also with institute
It states blast tube to be connected, the other end of blast tube is connected with the spray gun；The priming apparatus includes pressurized water pump group, pressure moisture
Orchestration and water-supply-pipe, the water inlet of the pressure water dispenser are connected with pressurized water pump group, are provided with out on pressure water dispenser
The mouth of a river, water outlet are connected with the water-supply-pipe, and the other end of water-supply-pipe accesses the spray gun.
A kind of 2. high pressure atomizing ship rust removalling equipment according to claim 1, which is characterized in that the end of the blast tube
Spray gun seat is provided with, the spray gun is arranged in spray gun seat.
3. a kind of high pressure atomizing ship rust removalling equipment according to claim 2, which is characterized in that the spray gun is entered the wind to be single
Spray gun is provided with water inlet in the spray gun seat, and water inlet is provided with water supply connector, and the water-supply-pipe is connect by the water inlet
Head is connected with the water inlet.
4. a kind of high pressure atomizing ship rust removalling equipment according to claim 2, which is characterized in that the spray gun is double air inlets
Spray gun is provided with several radial direction wind-supplying mouths in the middle part of double air inlet spray guns, and one of radial direction wind-supplying mouth is and double as water inlet
Enter the wind and be provided on the outside of the middle part of spray gun into water steel bushing, on steel bushing of intaking the place opposite with the water inlet position be provided with into
Glue pipe fitting, the water-supply-pipe are connected by rubber hose coupling of intaking with the water inlet.
5. a kind of high pressure atomizing ship rust removalling equipment according to claim 4, which is characterized in that the water inlet steel bushing with it is double
Two seals are provided between air inlet spray gun outer wall, two seals are located at the both sides of the water inlet rubber hose coupling respectively.
6. a kind of high pressure atomizing ship rust removalling equipment according to claim 1, which is characterized in that it is each it is described go out sandpipe and each
Ball valve is both provided in the compressed air air outlet pipe.
A kind of 7. high pressure atomizing ship rust removalling equipment according to claim 1, which is characterized in that the compressed air distribution
Air manometer is provided on device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721550880.5U CN207593569U (en) | 2017-11-20 | 2017-11-20 | A kind of high pressure atomizing ship rust removalling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721550880.5U CN207593569U (en) | 2017-11-20 | 2017-11-20 | A kind of high pressure atomizing ship rust removalling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207593569U true CN207593569U (en) | 2018-07-10 |
Family
ID=62759837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721550880.5U Active CN207593569U (en) | 2017-11-20 | 2017-11-20 | A kind of high pressure atomizing ship rust removalling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207593569U (en) |
-
2017
- 2017-11-20 CN CN201721550880.5U patent/CN207593569U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107825300A (en) | A kind of high pressure atomizing ship rust removalling equipment and ship derusting method | |
| CN104056763A (en) | Ship coating process | |
| CN109127333A (en) | A kind of coating process of ship | |
| CN105065852A (en) | Construction method for laying pressure penstock inside water tunnel of hydropower station | |
| CN207593569U (en) | A kind of high pressure atomizing ship rust removalling equipment | |
| CN208865840U (en) | The equipment that ship derusts and synchronizes spray paint | |
| CN202592223U (en) | Dustfree sand blasting machine | |
| CN216574460U (en) | Surface treatment equipment for battery steel shell | |
| CN208880527U (en) | Afterwards plus sand blasting rifle swivel head | |
| CN107983608A (en) | A kind of bottom of ship corrosion-resistant construction method | |
| CN103008192A (en) | Anti-corrosion method for M.A.N gas holder used in blast furnace gas-resistant environment | |
| CN108031628A (en) | A kind of ship water paint construction method | |
| CN204075098U (en) | Middle-size and small-size sand cores of castings painting spraying device | |
| CN109015412A (en) | Afterwards plus sand blasting rifle swivel head | |
| CN205570645U (en) | Automatic anticorrosive rust cleaning painting robot of stake formula structure | |
| CN206561360U (en) | A kind of high-pressure spray gun derusting device | |
| CN217668807U (en) | Marine dustless sand blasting machine | |
| CN218167495U (en) | Paint vehicle recovery unit sprays paint | |
| CN109926218A (en) | Handled high-pressure spray gun | |
| CN102990319A (en) | Corrosion control method of welding bead and melting loss portion | |
| CN207913980U (en) | A kind of high temperature anti-oxidation coating spraying equipment | |
| CN207413664U (en) | A kind of quick paint spraying apparatus of building timber | |
| CN116351682A (en) | Novel laser cleaning, spraying and corrosion preventing process | |
| Fujiwara et al. | Environmentally Friendly-Air Mixed & High-Pressure Water Blasting-(Konki-Jet) Developed To Comply With Pspc Requirements | |
| CN109955152A (en) | A kind of silica gel mould with high-pressure spray gun |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266520 No. 369 Lijiang East Road, Qingdao economic and Technological Development Zone, Shandong Patentee after: China Shipbuilding Group Qingdao Beihai Shipbuilding Co.,Ltd. Address before: 266520 No. 369 Lijiang East Road, Qingdao economic and Technological Development Zone, Shandong Patentee before: QINGDAO BEIHAI SHIPBUILDING HEAVY INDUSTRY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |