足球比分007

Manufacturing and application technology of gas or liquid storage or distribution device
  • Manufacturing method of threaded boss for pressure vessel
    Pressure vessels are commonly used to hold various fluids under pressure such as hydrogen, oxygen, natural gas, nitrogen, propane, methane, and other fuels. Generally, the pressure vessel can have any size or configuration. Containers can be heavy or light, single use (e.g., disposable), reusable, high pressure (e.g., greater than 50 pounds per square inch (psi) (344,738 Pascals)), low pressure (For example, small ...
  • Manufacturing method of threaded boss for pressure vessel
    Pressure vessels are commonly used to hold various fluids under pressure such as hydrogen, oxygen, natural gas, nitrogen, propane, methane, and other fuels. Generally, the pressure vessel can have any size or configuration. Containers can be heavy or light, single use (e.g., disposable), reusable, high pressure (e.g., greater than 50 pounds per square inch (psi) (344,738 Pascals)), low pressure (For example, small ...
  • Anti-overflow valve manufacturing method
    This application is a divisional application of an international application date of September 3, 2013, a national application number of 201380048119.x (international application number of pct / us2013 / 057884), and an invention name of "anti-overflow valve". The present disclosure relates to a downcomer section, and more particularly, to a downcomer section that acquires a liquid reservoir while controlling the flow of liquid into the reservoir to prevent liquid overflow. Underground storage ...
  • The invention relates to a detection system, in particular to a detection system of an anti-cheating system. The accuracy of the tanker, replacement of computer chips, and installation of remote control devices are used to control it. At present, no system for detecting the reliability of the above systems has been found. The company solves the characteristics of convenient domestic settlement and safe and reliable data storage. SUMMARY OF THE INVENTION The object of the present invention is to provide a detection system for an anti-cheating system. The object of the present invention is to solve domestic convenient settlement, data ...
  • User classification guidance system, method and process for gas station
    The present invention relates to refueling, and in particular, to a user classification guidance system and method for a gas station. With the rapid development of China's national economy and the prosperity of the transportation industry, the number of cars has increased year by year, and the demand for gas stations has also increased year by year. The contradiction between the increase in the number of cars and the lack of refueling capacity of gas stations, the tension between urban land tension and the demand for traditional gas station construction land is becoming increasingly acute, leading to the status quo of congestion in most gas stations in cities ...
  • Manufacturing method of gas station non-inductive fueling system based on biometrics
    The present invention relates to biometrics, and more particularly to a non-inductive gas station system for gas stations based on biometrics. Existing non-inductive refueling systems are mainly based on license plate recognition. The accuracy of license plate recognition is limited by the environment and design of the gas station. In order to improve the accuracy of license plate recognition and the binding of license plate and gas data, a larger gas station is required. Retrofit and retrofit equipment. The accurate binding of gas data must be coordinated by the staff of the gas station, manually ...
  • Manufacturing method of canning and sealing device for liquid cosmetics
    The present invention relates to canning of cosmetics, and in particular to a canning and sealing device for liquid cosmetics. Cosmetics refers to chemical industrial products that are spread on any part of the human body by applying, spraying or other similar methods to maintain a good state. During the production of cosmetics, there are mainly processes such as stirring, storage, canning, and packaging . In the production process of cosmetics, it is often necessary to canned cosmetics. In the existing canning device, the filling ...
  • Luminous bottle opener and light control method and process
    The invention relates to the field of bottle openers, in particular to a light-emitting bottle opener and a light control method. Corkscrew is a common household item used to open wine bottle caps or similar beverage bottle caps, including beer bottle openers and wine bottle openers. The structure and working principle of a beer bottle opener are very simple. Generally, the bottle cap is lifted from one side by using the principle of leverage. This operation method has certain safety risks. During the process of opening the bottle, the bottle cap may be pried and splashed, ...
  • Manufacturing method of hole punching film capping machine
    The invention relates to a capping machine, in particular to a perforated film capping machine. Capping machine is also called capping machine, capping machine and capping machine. It is used for bottle cap tightening and loosening equipment after plastic bottles and glass bottles (molded bottles or tube bottles) are dispensed. Capping machines are generally Antibiotic powder injection glass bottles (moulded bottles or tube bottles) are packed in aluminum caps or aluminum plastic caps, caps, and beverage bottles. They are widely used in beverages and purified water industries. ..
  • Manufacturing method of horizontal blind detection scanning device for leakage of buried gas pipeline
    The invention relates to the field of gas buried pipeline leak detection, and in particular relates to a lateral blind detection scanning device for gas buried pipeline leakage. A large number of natural gas pipelines are buried underground in various cities to supply gas to residents and industrial and commercial users. Due to the characteristics of gas that are not easily detectable and explosive, gas safety accidents have been endless in recent years. Compared with exposed gas pipelines, buried underground The gas pipeline is more concealed and the network situation is more complicated, and sometimes there are drawings ...
  • Manufacturing method of urban underground gas pipeline monitoring system
    The invention belongs to the field of intelligent electrical equipment monitoring, and particularly relates to a city underground gas pipeline monitoring system. Field bus technologies commonly used in urban underground gas pipeline leak detection include can bus, lonworks bus, etc. After the sensors and lines of the bus communication system are fixed, it will no longer be easy to change, the cost is high, the construction is complicated, and maintenance is difficult; and Long-distance wired communication lines have poor anti-interference ability from ...
  • Prediction method and process of jet flame range of gas pipeline
    The invention relates to a method for predicting a jet flame action range of a gas pipeline, and belongs to the safety prevention and control of the gas pipeline. Oil and gas pipeline transportation has become one of the five major transportation industries in China due to its high efficiency and strong continuity. At present, China has more than 60% of pipelines with a service life of more than 25 years, and a large number of pipelines have entered a period of frequent failure. Natural gas leaked due to pipeline failure can easily cause fire and explosion accidents when encountering fire sources, such as ...
  • Manufacturing method of oil pipeline monitoring system
    The invention relates to oil and gas transportation technology, in particular to an oil pipeline monitoring system. As important energy sources, petroleum and liquefied gas are of great significance to the country's construction. In the prior art, oil pipelines are often used to transport oil or natural gas. Because oil wells are often in remote areas that are rarely visited, oil pipelines are also laid longer. In the prior art, in order to maintain oil pipelines, a lot of manpower and resources are often required ...
  • Manufacturing method of oil pipeline alarm device
    The invention relates to oil and gas transportation technology, and in particular to an alarm device for an oil pipeline. As important energy sources, petroleum and liquefied gas are of great significance to the country's construction. In the prior art, oil pipelines are often used to transport oil or natural gas. Because oil wells are often in remote areas that are rarely visited, oil pipelines are also laid longer. In the prior art, in order to maintain oil pipelines, a lot of manpower and resources are often required ...
  • Manufacturing method for eliminating water hammer in pipeline at end of water conveyance pipeline of long-distance large-diameter pipeline
    The invention relates to the field of large-scale pipeline water conveyance engineering and water hammer control of pumping stations, and particularly relates to a device for eliminating water hammer in pipelines at the end of a long distance large-diameter pipeline water pipeline. Large-scale pipeline water delivery projects often use natural terrain to drop water by gravity flow. The gravity flow water pipeline is pressurized by a water pump, and the pressure during small flow operation is higher than that during large flow operation. In normal operation, the head of the pressure measuring tube is smaller than the static head, but the gates and valves on the pipeline are closed ...
  • Manufacturing method of pressure element
    The invention relates to a pressure element for monitoring a fluid loaded on a pressure element. Furthermore, the invention relates to a pipe capable of flowing through a fluid. Furthermore, the invention relates to the use of a pressure shock detection unit, a pressure shock monitoring system for a pipeline capable of being passed by a fluid, and at least one pressure element. In pipeline networks, such as in the field of drinking water supply, there is a risk of pipeline rupture due to pressure shocks that may occur due to fluid dynamics. this problem...
  • Manufacturing method of special purging system suitable for on-line repair of multi-pipe diameter assembled cooling structure
    The invention relates to a special purging system suitable for on-line repair of a multi-pipe-diameter assembled cold preservation structure, which belongs to low-temperature deep cooling. The lng industry in our country is developing rapidly. Many of the lng pipelines that have been put into operation in China have been damaged to varying degrees, and some equipment and pipelines are frosted, frozen, deformed, and cracked. Corrosion of equipment pipelines is also increased, and repair and replacement are urgently needed. On lng pipeline ...
  • Manufacturing method of air compressor air supply system
    The invention relates to the field of air supply systems, and in particular to an air compressor air supply system. An air compressor, referred to as an air compressor, is mainly used to provide an air source. It is mainly used to maintain the output of the air source and to supplement the air source. In the production of iron and steel enterprises, air compressors are often used to supplement the gas, but in the process of use, it is often necessary to clean up or overhaul the air compressor due to ash accumulation in the device or equipment maintenance. Therefore, multiple air compressors ...
  • Manufacturing method of medical gas area control device
    The present invention relates to medical treatment, and particularly relates to a medical gas area control device. Medical oxygen systems such as medical oxygen, negative pressure suction, and compressed air are called life support systems, which are special products directly related to people's lives and health, so the quality requirements for products are rigid. Most central hospitals in China have used the medical centralized gas supply system. At present, the current status of the system is that each gas source equipment operates independently, and the gas source equipment ...
  • Method, device and process for detecting output gas flow of gas storage tank
    The invention relates to the field of gas flow detection, in particular to a method and a device for detecting the output gas flow of a gas storage tank. An oxygen generator is a device that uses the pressure swing adsorption principle of molecular sieve to increase the oxygen concentration by adsorbing nitrogen and other gas components. When the equipment is in operation, compressed air is usually injected into a closed adsorption tower equipped with molecular sieve to cause the inside of the adsorption tower. The pressure rises accordingly, and the molecular sieve therein absorbs and compresses a large amount of air as the environmental pressure rises ...
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