CN106392892A - Rust removal device of high-pressure spray gun and rotproof and rust removal method with same - Google Patents
Rust removal device of high-pressure spray gun and rotproof and rust removal method with same Download PDFInfo
- Publication number
- CN106392892A CN106392892A CN201610934407.0A CN201610934407A CN106392892A CN 106392892 A CN106392892 A CN 106392892A CN 201610934407 A CN201610934407 A CN 201610934407A CN 106392892 A CN106392892 A CN 106392892A
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- China
- Prior art keywords
- spray gun
- water
- layer
- pressure spray
- pressure
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/086—Descaling; Removing coating films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
- B24C5/04—Nozzles therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
- B24C7/0007—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a liquid carrier
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention relates to the technical field of a rust removal device and a rust removal method, and particularly discloses the rust removal device of a high-pressure spray gun and a rotproof and rust removal method with same. The high-pressure spray gun, a water pump and a booster pump are connected well; the booster pump is supercharged to 30 MPa, silver sand is prepared and sucked into the spray gun by the negative pressure formed by water flow at the front end of the high-pressure spray gun, and then water sand is formed and sprayed; a high-energy water sand jet flow is used to impact and wear down a metal surface to be treated, the multiple layers such as a corroded layer and a scaling layer on the metal surface are distributed in a multi-hole mode, and once the scaling layer is permeated, the high-pressure water sand jet flow is inserted between the scaling layer and a metal base material in a wedge shape; and when the impact energy of the high-pressure water sand jet flow is higher than the adherent limit strength of the scaling layer and the base material, the corrosion layer and the scaling layer are removed. The rust removal device of the high-pressure spray gun and the rotproof and rust removal method with same has the advantages that a high-pressured water flow has good safety and adaptation performances, is capable of using in a flammable and combustible place, has a high removal safety performance of the high-pressured water flow, and has no bodily injury to an operator. There is not any impact on surrounding crowds.
Description
Technical field
The present invention relates to rust removalling equipment and derusting method technical field, particularly relate to a kind of high-pressure spray gun derusting device and make
Method with its anti-corrosion rust cleaning.
Background technology
LNG storage tank is easily got rusty, and carries out anti-corrosion rust cleaning at present typically using hand cleaning or with electric wheel, and LNG stores
The process units area of tank is inflammable and explosive region, and no matter by hand rust cleaning or electric wheel rust cleaning all have the pyrophoric wind of product
Danger, cannot be carried out derusting anti-corrosive work for a lot of point of guarantee safety, even if the region that can carry out rust cleaning work also needs early stage to carry out
Substantial amounts of trouble free service could be constructed, and construction speed cannot ensure with construction quality.
Content of the invention
It is an object of the invention to provide a kind of high-pressure spray gun derusting device and the method using its anti-corrosion rust cleaning, can be in one-level
Constructed in explosion-proof area, solve to carry out, in inflammable and explosive region, the security risk of work that eliminates rust, improve construction matter simultaneously
Amount and construction speed.
To achieve these goals, present invention employs following technical scheme：A kind of high-pressure spray gun derusting device, including
High-pressure spray gun, water pump, booster pump, water tank, fine sand case, the output shaft of described motor is connected with water pump, the water inlet of described water pump
Port is connected with water tank, and the water inlet port of the water outlet port booster pump of water pump connects, and pipe is passed through in the water outlet port of described booster pump
Road is connected with giant, and described high-pressure spray gun includes nozzle, is fixed with a stop in described spray nozzle front end clip.
Wherein, the height of described stop is more than 200mm.
Wherein, described gun head adopts boron nitride material.
Using the method for the anti-corrosion rust cleaning of said apparatus, comprise the following steps：
（1）High-pressure spray gun, water pump, booster pump are connected；
（2）Booster pump is pressurized to 30MPa, gets out fine sand, the negative pressure being formed by current in high-pressure spray gun front end sucks spray gun,
Form water sand to spray；
（3）With high-energy water sand jet impulse, wear down the metal surface being eliminated, the corrosion layer of metal surface, layer of scale etc. are many
Position stratiform is in many pore size distributions, once layer of scale is saturated, high pressure water sand jet just becomes chock shape insertion layer of scale and base material metal
Between, when its impact energy is more than the limit of adhesion intensity of layer of scale and mother metal, corrosion, layer of scale are just eliminated.
The beneficial effects of the present invention is：Applied range of the present invention, high-pressure wash shower nozzle is compact and flexible, either manages
Road, container intracavity, hard foulant or tamper, the place that every high-pressure water jet can be mapped to, can thoroughly cleaning
Totally, and to equipment material, characteristic and dirty species all no particular/special requirements.
The safe adaptability of high-pressure water jet is good, can be applied in combustible and explosive area, and therefore, high-pressure water jet exists
Application in petroleum and petrochemical industry seems very prominent.
Water under high pressure jet stream rust cleaning security performance is high, to operator's no actual bodily harm.In descaling process to periphery crowd no
Any life impact.
Can be constructed in dense population, using tap water as working media, this medium is tasteless, nontoxic, no
Smelly, after the high-pressure water jet atomization of ejection, also can reduce the air-borne dust concentration of operation area.
Make atmospheric dust be reduced to below the 2mg/m of national regulation, be conducive to eliminating pneumosilicosis source of disease and no dirty to environment
Dye.
Brief description
In order to be illustrated more clearly that embodiment of the present invention technical scheme, required use in embodiment being described below
Accompanying drawing be briefly described it should be apparent that, drawings in the following description be only the present invention in order to be illustrated more clearly that this
Bright embodiment or technical scheme of the prior art, below that use required in p- embodiment or description of the prior art is attached
Figure is briefly described, for those of ordinary skill in the art, on the premise of not paying creative work, can also root
Obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
A kind of high-pressure spray gun derusting device as shown in Figure 1, including high-pressure spray gun, water pump, booster pump, the entering of described water pump
Water end (W.E.) mouth is connected with water source, and the water outlet port of water pump is connected with the water inlet port of booster pump, the water inlet port of high-pressure spray gun and increasing
The water outlet port of press pump connects, and described high-pressure spray gun includes pipette tips, holding rod, nozzle, and in described pipette tips front end, clip is fixed with
One stop.
Using the method for the anti-corrosion rust cleaning of said apparatus, comprise the following steps：
（1）High-pressure spray gun, water pump, booster pump are connected；
（2）Booster pump is pressurized to 30MPa, gets out fine sand, the negative pressure being formed by current in high-pressure spray gun front end sucks spray gun,
Form water sand to spray；
（3）With high-energy water sand jet impulse, wear down the metal surface being eliminated, the corrosion layer of metal surface, layer of scale etc. are many
Position stratiform is in many pore size distributions, once layer of scale is saturated, high pressure water sand jet just becomes chock shape insertion layer of scale and base material metal
Between, when its impact energy is more than the limit of adhesion intensity of layer of scale and mother metal, corrosion, layer of scale are just eliminated.
Without prejudice to LNG storage tank mother metal for ensureing in the case of high-pressure spray gun rust cleaning, field requirement is used before pipette tips
Clip fixes a stop it is ensured that more than nozzle distance reservoir surface 200mm, and can protect nozzle.
Make spray gun parital vacuum using high-velocity flow, thus produce suction fine sand be drawn onto in spray gun in addition with reference to after pass through
20Mpa pressure above sprays, thus producing great hitting power, reaches rust cleaning effect, and abrasive material adopts river sand or sea sand.Remove
Up to more than 30m2/h, surface of eliminating rust reaches 2.5 grades to rust speed.Gun head adopts boron nitride material, is artificial material the hardest
One of, microhardness, up to 17800Mpa, is characterized in extremely hard wear-resisting, with soda acid Fails To Respond, high-low temperature resistant high pressure, works the longevity
Life was up to more than 1,000 hours.
Anti-corrosion rust cleaning is safely and effectively carried out to LNG storage tank, derusting grade has reached Sa2.5 level and has been effectively protected
The safe and stable operation of LNG storage tank.The derusting grade of site inspection metal surface reaches Sa2.5 level, and reservoir surface outward appearance reaches
Thoroughly eliminate rust very much, the attachment such as the no visible oils and fatss of steel surface, dirt, oxide skin, rust and painting layer and any
The vestige of residual should be only the standard of the slight mottle of point-like or strip.
Motor, water pump, booster pump, water tank, fine sand case can be combined on a dolly, facilitate staff to move back and forth,
Time saving and energy saving.
High-pressure water jet can also carry out corrosion prevention operation in the case that oil storage gas tank runs, and water under high pressure jet stream rust cleaning is to ring
Border no pollution.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (4)
1. a kind of high-pressure spray gun derusting device it is characterised in that：Including high-pressure spray gun, water pump, booster pump, water tank, fine sand case, institute
The output shaft stating motor is connected with water pump, and the water inlet port of described water pump is connected with water tank, the water outlet port booster pump of water pump
Water inlet port connect, the water outlet port of described booster pump is connected with giant by pipeline, and described high-pressure spray gun includes
Nozzle, is fixed with a stop in described spray nozzle front end clip.
2. a kind of high-pressure spray gun derusting device according to claim 1 it is characterised in that：The height of described stop is more than
200mm.
3. a kind of high-pressure spray gun derusting device according to claim 1 it is characterised in that：Described gun head is using nitridation
Boron material.
4. usage right require the anti-corrosion rust cleaning of 1 ~ 3 any one described device method it is characterised in that：Comprise the following steps：
High-pressure spray gun, water pump, booster pump are connected；
Booster pump is pressurized to 30MPa, gets out fine sand, the negative pressure being formed by current in high-pressure spray gun front end sucks spray gun, shape
Water sand is become to spray；
With high-energy water sand jet impulse, wear down the metal surface being eliminated, the multidigit layer such as the corrosion layer of metal surface, layer of scale
Shape is in many pore size distributions, once layer of scale is saturated, high pressure water sand jet just becomes between chock shape insertion layer of scale and base material metal,
When its impact energy is more than the limit of adhesion intensity of layer of scale and mother metal, corrosion, layer of scale are just eliminated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610934407.0A CN106392892A (en) | 2016-10-25 | 2016-10-25 | Rust removal device of high-pressure spray gun and rotproof and rust removal method with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610934407.0A CN106392892A (en) | 2016-10-25 | 2016-10-25 | Rust removal device of high-pressure spray gun and rotproof and rust removal method with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106392892A true CN106392892A (en) | 2017-02-15 |
Family
ID=58012008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610934407.0A Pending CN106392892A (en) | 2016-10-25 | 2016-10-25 | Rust removal device of high-pressure spray gun and rotproof and rust removal method with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106392892A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110153399A (en) * | 2017-12-25 | 2019-08-23 | 霍山县忠福机电科技有限公司 | Cast cleaning jetting machine |
| CN113802125A (en) * | 2021-09-22 | 2021-12-17 | 江南造船(集团)有限责任公司 | Liquid tank interior cleaning, derusting and rust preventing treatment process |
-
2016
- 2016-10-25 CN CN201610934407.0A patent/CN106392892A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110153399A (en) * | 2017-12-25 | 2019-08-23 | 霍山县忠福机电科技有限公司 | Cast cleaning jetting machine |
| CN113802125A (en) * | 2021-09-22 | 2021-12-17 | 江南造船(集团)有限责任公司 | Liquid tank interior cleaning, derusting and rust preventing treatment process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170215 |
|
| WD01 | Invention patent application deemed withdrawn after publication |