Application of ultra-high pressure water jet technology
The use of ultra-high pressure technology can pressurize ordinary tap water to 250-400Mpa pressure, and then through the inner hole diameter of about 0.15-0.35mm gem nozzle jet formation speed of about 800-1000m/s high-speed jet, commonly known as the water arrow, the water arrow has a high energy, can be used to cut soft basic materials. If the appropriate amount of abrasive is added to the water arrow, it can be used to cut almost all soft and hard materials. Adjust the pressure and flow of the water jet, you can use it to clean various objects, such as glue removal, paint removal, rust removal, etc., we can also use ultra-high pressure technology to autoclave, food preservation and many other work beneficial to human beings.
Features of ultra-high pressure water cutting
Can be any material for any curve of one-time cutting processing (in addition to water cutting other cutting methods will be limited by the variety of materials); Cutting does not produce heat and harmful substances, the material has no thermal effect (cold cutting), after cutting does not need or easy secondary processing, safety, environmental protection, low cost, fast speed, high efficiency, can achieve arbitrary curve cutting processing, convenient and flexible, wide use. Water cutting is the most suitable cutting process method at present.
Comparison between water cutting and laser cutting
The investment of laser cutting equipment is large, and most of them are used for the cutting of thin steel plates and some non-metallic materials. The cutting speed is faster and the precision is higher, but the arc mark and thermal effect will be caused at the slit when the laser is cut. In addition, laser cutting is not ideal for some materials, such as aluminum, copper and other non-ferrous metals, alloys, especially for the cutting of thicker metal sheets, the cutting surface is not ideal, or even can not be cut. At present, people's research on high-power laser generators is trying to solve the cutting of thick steel plates, but the cost of equipment investment, maintenance and operation consumption is also considerable. Water cutting investment is small, low operating costs, wide range of cutting materials, high efficiency, easy operation and maintenance.
Comparison of water cutting and plasma cutting
Plasma cutting has obvious thermal effect, low precision, and the cutting surface is not easy to be processed again. Water cutting is cold cutting, no thermal deformation, good cutting surface quality, no need for secondary processing, if necessary, it is easy to carry out secondary processing.
Comparison between water cutting and wire cutting
For metal processing, wire cutting has higher accuracy, but the speed is very slow, sometimes need to use other methods in addition to perforation, threading can be cut, and the cutting size is greatly limited, water cutting can be drilled on any material, cutting, cutting speed is fast, processing size is flexible.
Comparison of water cutting and other cutting methods
For some metal parts can take punching and shearing process method, high efficiency, fast, but the need for specific molds and tools, water cutting compared with the cutting method is flexible, can be any shape of the workpiece cutting processing, especially in the thick material, high hardness, punching and shearing process will be difficult or impossible to achieve, and water cutting method is more ideal; Flame cutting is also a commonly used cutting process in the field of metal, cutting thickness range is very large, but compared with water cutting its thermal effect is obvious, cutting surface quality and accuracy is poor, in addition, water cutting can solve some high melting point, alloy, composite materials and other special materials cutting processing.
In the glass, stone, ceramics and other cutting and processing industry, the traditional method is to cut, saw, milling with diamond tools, cutting thickness range is very large, fast, but for the conventional thickness of the plate, water cutting can be high-precision arbitrary curve cutting processing, high yield, reduce production costs, and greatly improve the added value of processed products.
Ultra-high pressure water jet cleaning technology
Ultra-high pressure water jet cleaning technology is a high-tech technology developed in the world in recent years, the technology mainly uses the kinetic energy of high-speed water jet to peel off the surface of the dirt, it is water as the medium, through the diesel unit or electric unit drive large flow supercharger, the water pressure to 40000PSI(300Mpa) pressure, Then it is sprayed out through a number of jewel nozzles arranged in a circle. The nozzles are driven by oil pressure or air pressure to rotate, forming a multi-beam, multi-angle and ultra-high pressure rotating water jet with different strengths. Ultra-high pressure cleaning of surfaces that need to be cleaned, scaling and attachments in equipment, and blockages. The system is generally powered by the diesel unit as a power source, and only needs to provide water to run, so the mobile performance is strong, and it can be easily realized on board or made into ultra-high pressure cleaning vehicles. Regardless of the scale deposits, the ultra-high pressure water jet cleaning technology can solve these problems, completely removing the dirt, leaving a clean, smooth surface. It is much faster than manual cleaning and requires no chemicals, solvents or corrosives (and no costly safety measures), making it cleaner and more environmentally friendly. "Ultra-high pressure water jet cleaning equipment" and "ultra-high pressure water jet cutting equipment" belong to the specific application of "ultra-high pressure water jet technology", but the former flow is larger and the pressure is lower.
Comparison between ultra-high pressure water jet cleaning and other cleaning methods
Ultra-high pressure water jet cleaning is a physical cleaning method, compared with traditional manual, mechanical cleaning, chemical cleaning, biological cleaning and other cleaning methods, has the following advantages:
1. The pressure and flow rate of the water jet can be easily adjusted, so that the matrix of the cleaned material will not be damaged;
2. The ultra-high pressure water jet will not cause secondary pollution. If there is no special requirement after cleaning, it does not need to be cleaned.
3. Wash objects with complex shape and structure, which can be cleaned in narrow space or harsh environment;
4. Different from chemical cleaning and biological cleaning, ultra-high pressure water jet cleaning has no harmful substance discharge and environmental pollution problems;
5. Ultra-high pressure water jet cleaning fast and thorough. If the cleaning rate of the heat exchanger is more than 95%, the boiler descaling rate is more than 95%;
6. Low cleaning cost, only about 1/3 of chemical cleaning, that is, ultra-high pressure water jet cleaning is a fine jet, belongs to energy-saving equipment;
7. Ultra-high pressure water jet cleaning has no special requirements for the material, characteristics, shape and scale species of the equipment, and only requires that the water jet can be reached.
Water cutting typical application examples
1, the typical application in the field of metal cutting
(1) Decoration, decoration of stainless steel and other metal cutting processing
(2) Manufacture of machine and equipment outer cover (such as machine tools, food machinery, medical machinery, electrical control cabinets, etc.)
(3) Cutting of metal parts (such as semi-finishing of stainless steel Lanlan disk, steel plate structural parts, non-ferrous metals, special metal materials, etc.)
2, typical application in the field of glass cutting
(1) Glass cutting of home appliances (gas stove countertops, range hoods, disinfection cabinets, etc., TV sets)
(2) Lamps
(3) Bathroom products (shower room, etc.)
(4) Architectural decoration and process glass
(5) Car glass, etc
3, ceramic, stone and other building materials processing applications
The application of "water knife" in this field is earlier, and the absolute number of domestic customers is currently the largest. This field is mainly used for art puzzles. At present, China's ceramic and stone art puzzles are exported to all over the world.
4, composite materials, bulletproof materials and other special materials a forming cutting processing
5, water cutting of soft materials
(1) Robotic space cutting of automotive interior parts
(2) Foam sponge, paper, etc
6, low melting point and flammable, explosive material cutting (such as explosives, shells, etc.)
7, ultra-high pressure water cleaning
(1) Petrochemical industry
Heat exchanger tube cleaning;
U-tube tube cleaning;
Floating head heat exchanger shell cleaning, air cooler fin tube cleaning;
Reactor, tower tank inner wall, equipment internal components cleaning;
Large storage tank surface and inner wall cleaning treatment;
Other.
(2) Power industry
Remove the surface or internal dirt of the condenser (box);
Scale formation in rotor, bulkhead and shell of large steam turbine;
Damaged refractory materials and all kinds of preheating, condenser and other scale in the furnace can be smoothly removed without damaging the performance of the original equipment;
Other.
(3) Aerospace industry
Civil and military aviation airport runway and guardrail cleaning, runway glue removal, removal of apron oil and traffic marks on the runway;
Aircraft carrier platform runway cleaning;
other
(4) Shipping industry
For hull surface needs regular descaling and painting, the use of ultra-high pressure water cleaning equipment can easily remove dirt and surface paint, in preparation for repainting;
Other.
(5) Automobile manufacturing industry
Automobile painting workshop paint and dirt cleaning;
Other.
(6) Bridge construction industry
Building exterior wall cleaning;
Peel off the old coating on the wall of the building;
Hard synthetic fiber coating of stripped ground;
Other.
(7) Municipal engineering
City street chewing gum cleaning;
Urban road zebra crossing cleaning;
Urban graffiti cleaning;
Urban psoriasis cleaning;
City gas pipeline cleaning;
Other. |
