519 results about "Conduit system" patented technology

The invention provides an inertia optimization method for electric heat gas energy transport channel coordination, and relates to the technical field of energy transport channels, and the method comprises the steps: building a fluid flow state and vortex intensity mapping relation model, which is used for predicting the possible vortex conditions under different working conditions; and based on a prediction result, a genetic algorithm is adopted to optimize a sensor arrangement scheme, and the most comprehensive flow state information is obtained by using the least sensors. According to the method, pipeline vibration safety is considered, a vibration monitoring and valve adjustment limiting mechanism is set, in addition, a tradeoff model of energy loss and transportation efficiency is further constructed, an optimal adjustment strategy is solved by applying a multi-objective optimization algorithm, finally, an eddy current suppression effect evaluation model is established, quantitative evaluation and strategy optimization of a control effect are achieved, and the control effect is optimized. Through the comprehensive application of a series of innovative methods, the precise inhibition of the vortex in the fluid transportation process and the remarkable improvement of the transportation efficiency are realized, and meanwhile, the safe operation of a pipeline system is ensured.

The invention relates to the technical field of new energy pipelines, in particular to an anti-cracking hydrogen-doped pipeline system and a performance degradation monitoring method thereof. The hydrogen-doped pipeline system comprises a pipeline assembly, a supporting assembly, an operation assembly, a power assembly, a storage battery pack, a system control cabinet and a power generation assembly, the phenomena of hydrogen permeation and gas stratification are effectively inhibited through innovative pipeline structure design and material optimization in the system level, the hydrogen embrittlement risk is reduced from the source, and the energy consumption is reduced. According to the method, the hydrogen atom diffusion tracking and crack initiation prediction are combined, and a multi-scale collaborative monitoring system is constructed, so that the whole-process monitoring from hydrogen atom diffusion tracking to crack initiation prediction is realized, and particularly, a quantum dot marking technology is combined with a traditional sensing network, so that the service life of the pipeline can be effectively prolonged, and the reliability and the maintenance efficiency of safety monitoring are improved.

The invention relates to a mobile hydrogen refueling station comprising at least a first, second and third hydrogen gas source configured for storing gas at different pressures. Said mobile hydrogen refueling station further comprises at least two filling hoses, connectable to said first, second and third hydrogen source a via conduit system and to a receiving vessel. Said mobile hydrogen refueling station further comprises a controller configured for simultaneously controlling refueling of at least a first and a second receiving vessel by: controlling flow of hydrogen gas from said first, second or third hydrogen gas source via a first of said at least two filling hoses to said first receiving vessel, and controlling flow of hydrogen gas from said first, second or third hydrogen gas source via a second of said at least two filling hoses to said second receiving vessel.

The invention discloses a new energy system for efficient ventilation, cooling and comprehensive utilization of a heat damage mine, and relates to the technical field of ventilation and cooling of the heat damage mine, the new energy system comprises a liquid air energy storage power station, a liquid air conveying pipeline system arranged in a liquid air conveying stratum drill hole, and an underground liquid air storage and conveying system arranged in an underground chamber of a mine area; the liquid air conveying pipeline system is used for connecting the liquid air energy storage power station and the underground liquid air storage conveying system; the underground liquid air storage and conveying system comprises an underground liquid air storage station and an underground liquid air conveying system; the underground liquid air storage station is used for storing liquid air; and the tail end of the underground liquid air conveying system is communicated with the underground mining area and is used for ventilating, cooling and comprehensively utilizing energy for the underground mining area. The efficiency of a traditional ventilation and cooling process is improved, the means of using liquid gas for industrial production underground is added, the energy consumption cost of mine production is greatly reduced, and the effects of energy storage and efficiency improvement can be provided for a ground power supply system.

The invention discloses a comprehensive support hanger section multi-objective optimization method based on NSGA-II and an optimal determination method. The comprehensive support hanger section multi-objective optimization method comprises the following four steps: establishing a multi-objective optimization mathematical model of a comprehensive support hanger steel section; establishing a non-dominated sorting genetic algorithm; the NSGA-II is adopted to solve the multi-objective optimization mathematical model; establishing implementation of a multi-objective decision-making method; evaluating, sorting and selecting solutions in the approximate Pareto non-inferior solution set by adopting a multi-objective decision-making method; according to the optimized design scheme, final design parameters of the comprehensive support hanger steel section are determined. The method is directed to comprehensive supports and hangers used in construction machinery, electrical and piping systems, aiming at simultaneously achieving material cost minimization and bending performance maximization. According to the method, the defects in the aspects of multi-objective optimization and comprehensive decision making in the prior art are overcome, and an efficient and practical solution with multi-objective comprehensive performance is provided for the design of the steel section of the comprehensive support hanger.

Embodiments of the present invention provide an electric heating trace (EHT) control system for use with a piping system having a pipe and capable of conveying a fluid. The EHT control system includes an EHT circuit for heating the piping system; a temperature sensor that outputs a temperature value; a flow state sensor that outputs a flow state value; and an EHT management system. The EHT management system may include a controller connected to the EHT circuit to selectively energize the EHT circuit. The controller may be connected to the temperature sensor to receive the temperature value, and to the flow state sensor to receive the flow state value. The controller may be configured to execute an EHT management program, the EHT management program including the following steps: receiving the temperature value; receiving the flow state value; and using the temperature value and / or the flow state value to determine whether to energize the EHT circuit.

A method of monitoring a condition prevailing inside a piping system with respect to an impairment due to accretion, abrasion or corrosion caused by fluid(s) flowing through the piping system is disclosed, comprising the steps of: installing at least two measurement devices susceptible to an impairment and configured to measure variables indicative of the impairment; wherein the measured variables include at least two variables exhibiting a different dependency on the impairment; continuously recording data including time series of measured values of the variables measured; based on training data included in the data determining a dynamic reference behavior of the variables corresponding to time dependent distributions of values of the variables to be expected of the measured values when the measurement devices are unimpaired; repeatedly determining a deviation between a monitored behavior of the measured values of the variables and the reference behavior.

A conduit system for transporting gas from a gas containing chamber for processing a substrate from which semiconductor devices are formed includes a liner with a spiral vent. The conduit system utilizes a curtain of gas to prevent or reduce deposition of material onto an inner surface of the conduit transporting the gas from the gas containing chamber.

The invention relates to a high-strength steel wire winding reinforced pipe fitting and a using method thereof, and belongs to the technical field of steel wire winding reinforced pipe fittings. When the high-strength steel wire winding reinforced pipe fitting is used in a fire-fighting pipeline system and high-pressure water flow impacts an inner rubber layer, a first sliding part moves in the axial direction of a guide rail and cooperates with a spring part to form first-stage buffering; the peak impact force is converted into elastic potential energy; when pressure fluctuates to trigger a limiting part, the arc-shaped outer edge of a swing rod makes contact with a stop lever to generate a lever effect, a second sliding part is forced to move reversely, rigid stress borne by an outer rubber layer is converted into flexible deformation of a middle buffer layer, and a rigidity abrupt change interface is effectively eliminated. And meanwhile, a multidirectional displacement compensation mechanism under the constraint of the guide rail is utilized, the reflectivity of high-frequency vibration energy is reduced, and the problem that a stress transmission path is interrupted due to the fact that a rigidity abrupt change interface is formed by a low-rigidity buffer layer and a high-rigidity outer rubber layer is fundamentally solved.

A method of operating a HVAC system is provided. The method includes moving airflow out of a duct system using a blower. A heating element is configured to receive a fuel and ignite the fuel to heat the heating element. The method includes measuring a change in at least one gas property value of the airflow in the duct system using a leak detection sensor, where the change in the at least one gas property value is indicative of a gas leaked into the duct system. The method includes determining a concentration of the leaked gas based at least in part upon the change in the at least one gas property value and determining that the concentration as measured by the leak detection is indicative of the leaked gas comprising fuel.

A system uses a storage efficient data representation to route mechanical, electrical, or plumbing (MEP) objects of variable cross-sectional area through a bounded three-dimensional space containing obstructions of varying size and complexity. The system uses the triangular representations of the surfaces of the space in which the systems are to be routed. The system creates a computationally efficient 3D model that accurately represents the physical constraints of the space to be traversed and ensures that the routes are built within the constraints of the physical possibility requirements with no conflicts between different types of the MEP objects being routed.

Quantum processing circuitry cooling systems are provided. The systems can include a first chamber maintained at a first pressure; a second chamber maintained at a second pressure; a cooler within the first chamber; and quantum processing circuitry within the second chamber, the circuitry being thermally coupled to the cooler. Cooling systems are provided that can include: a cooler configured to generate and / or store cryofluid; a device thermally coupled to the cooler; and a plurality of thermal couplings between the cooler and the device, at least one of the thermal couplings being a first conduit system configured to convey cryofluid between the cooler and the device, wherein the first conduit system includes a first heat exchanger within the cooler and is configured to receive the cryofluid from the device, cool the cryofluid using the heat exchanger and provide cooler cryofluid to the device. Methods for cooling quantum processing circuitry are provided.

The present inventions pertains to an air conditioner for a control cabinet, the air conditioner being mountable on the control cabinet to provide air-conditioning in an internal space of the control cabinet that is separated from an ambient space outside the control cabinet, the air conditioner comprising an evaporator with a heat exchanger that is configured to be in fluid communication with the internal space to cool the air in the internal space when the air conditioner is mounted on the control cabinet, the heat exchanger comprising a pipe system through which a refrigerant is guidable, the pipe system comprising at least two, in particular parallel, straight pipe portions, the straight pipe portions being connected to each other on at least one of their ends by at least one piping bend, wherein the straight pipe portions are arranged in the heat exchanger such that they are in fluid communication with the internal space when the air conditioner is mounted on the control cabinet, and wherein the at least one piping bend is enclosed in a safety space which is separated from the internal space of the control cabinet and from the external space when the air conditioner is mounted on the control cabinet.

The utility model discloses an optimized water supply system, relates to the technical field of water supply optimization, and aims to solve the problem that the output pressure of an existing common pressure reducing valve does not change along with the output flow. An optimized water supply system comprises a main valve of a pressure reducing valve and a pilot valve, a pressure sensor and a flow sensor are arranged on an output pipeline of the main valve of the pressure reducing valve, a remote pressure sensor is further arranged on the most disadvantageous water distribution point, and a flow adjusting valve is arranged on an input pipeline of the main valve of the pressure reducing valve. The pressure sensor and the flow sensor are electrically connected with the controller; the pilot valve comprises a servo motor; and the controller is electrically connected with the servo motor. According to the optimized water supply system, the output pressure of a common pressure reducing valve can be changed along with the output flow, the output pressure is low when the flow is small, the situation that a pipeline system bears high pressure all the time regardless of the flow is avoided, and therefore the water leakage rate and the pipe explosion rate are reduced.

To provide a piping system that can improve a flow rate while enabling downsizing.SOLUTION: A piping system 1 for conveying a fluid with a Reynolds number of 4,000 or higher, comprises: a plurality of straight pipe sections (vertical pipes 3, horizontal pipes 4, vertical pipes 7); one or more joints (bending pipes 5-1, 5-2) connecting the plurality of straight pipe sections (vertical pipes 3, horizontal pipes 4, vertical pipes 7) to each other; and one or more projecting members 6-1 to 6-4 that partially reduce a cross-sectional area of a flow path of one or more corresponding straight pipe sections (vertical pipes 3, horizontal pipes 4, vertical pipes 7), which are inside of the one or more corresponding straight pipe sections (vertical pipes 3, horizontal pipes 4, vertical pipes 7) inside of the plurality of straight pipe sections (vertical pipes 3, horizontal pipes 4, vertical pipes 7).SELECTED DRAWING: Figure 1

The system for supplying heat to a building comprises, in addition to an outside air heat exchanger (11), a fan device (12) for conveying outside air through the outside air heat exchanger (11), a latent heat storage unit (13) with a closed tank (18) and a heat pump (15), a piping system (16) filled with a liquid working medium and a pumping device (17) for conveying the working medium through the piping system. The piping system (16), the pumping device (17), the outdoor air heat exchanger (11), the heat pump (15) and the latent heat storage unit (13) form a closed circuit for the working medium and are arranged such that the working medium flows through the outdoor air heat exchanger (11), the latent heat storage unit (19) and an evaporator heat exchanger (21) of the heat pump (15) in the closed circuit in this sequence before being returned to the outdoor air heat exchanger (11).

A cooling system for an electric traction machine includes a looped conduit system for conducting a first cooling liquid and a circulation pump for conveying the first cooling liquid in a first circulation direction. The cooling system includes an expansion tank filled at least partially with the first cooling liquid and a gas, and a motor input terminal for fluidically connecting the looped conduit system on an input side to the electric traction machine. The cooling system includes a motor output terminal for fluidically connecting the looped conduit system on an output side to the electric traction machine and a first heat exchanger for dissipating heat from and / or supplying heat to the first cooling liquid. In the first circulation direction, the first heat exchanger is arranged downstream of the electric traction machine and connected via the motor input and output terminal and upstream of the expansion tank.

Aircraft comprises a heater system, a conduit system thermally connected to fuel cell stacks, a pump system, and a controller. The heater system is configured to heat a coolant. The coolant flows through the conduit system. The pump system is configured to circulate the coolant through the conduit system to the fuel cell stacks. The controller is configured to control the heater system to heat the coolant to form a heated coolant. The controller is configured to control the pump system to circulate the heated coolant through the conduit system. The controller is configured to control the conduit system to circulate the heated coolant to a subset of the fuel cell stacks, wherein the heated coolant causes the subset of the fuel cell stacks to reach an operating temperature.

Embodiments of the invention provide an electric heat trace (EHT) control system for use with a piping system having pipes and capable of transporting a fluid. The EHT control system includes an EHT circuit for heating the piping system, a temperature sensor outputting a temperature value, a flow status sensor outputting a flow status value, and an EHT management system. The EHT management system can include a controller connected to the EHT circuit in order to selectively energize the EHT circuit. The controller can be connected to the temperature sensor in order to receive the temperature value and the flow status sensor in order to receive the flow status value. The controller can be configured to execute an EHT management program including the steps of receiving the temperature value, receiving the flow status value, and utilizing the temperature value and / or the flow status value to determine whether or not to energize the EHT circuit.

The invention provides a ground laying long-distance pipeline vibration monitoring device and a control method thereof.The ground laying long-distance pipeline vibration monitoring device comprises a shell, a vibration monitoring module, a wireless transmission module, an energy storage battery and an electric drive executing mechanism, and the vibration monitoring module, the wireless transmission module, the energy storage battery and the electric drive executing mechanism are arranged in the shell; the electric drive executing mechanism is connected with a valve rod of the control valve body. The vibration monitoring module is used for collecting pipeline vibration signals and controlling the electric drive executing mechanism to act according to the vibration signals so as to drive the valve opening degree of the valve body, and the vibration monitoring module is connected with a far-end monitoring platform through the wireless transmission module so as to conduct outer end monitoring control on the vibration monitoring module. The vibration absorption module and the power generation module are arranged on the long-distance pipeline, the vibration absorption module is connected with the power generation module, and the power generation module is connected with the energy storage battery. Rapid response, accurate adjustment and rapid early warning of abnormal vibration of the pipeline can be achieved, and safe and stable operation of a pipeline system is ensured.

This application relates to the technical field of oil and gas transportation, and discloses an intelligent leakage warning flexible composite pipeline system and a warning method. The system includes a composite pipeline body, an optical signal processing device, and a data processing unit. The optical signal processing device is communicatively connected to the data processing unit to achieve data transmission. The warning method corresponds to the system. This application realizes intelligent leakage warning and monitoring of the flexible composite pipeline system; the distributed temperature sensing element can sense the temperature change of the pipeline; the optical signal processing device converts the laser signal into an electrical signal and transmits it to the data processing unit; the data processing unit calculates the temperature along the pipeline and the leakage position, and alarms for abnormal data; solves the problem that traditional flexible composite pipes lack sensing functions, effectively reduces environmental pollution and energy loss caused by oil and gas leakage during pipeline transportation, ensures the safety and stability of oil and gas transportation, and promotes the intelligent development of the composite pipeline industry.

Methods and systems are provided for controlling braking to avoid groan noise in a braking system. The system has a brake actuator configured to apply a friction force to a moving member, a conduit system coupled with the brake actuator, an inlet valve in the conduit system configured to control fluid pressure delivered to the brake actuator, and an outlet valve in the conduit system configured to control fluid pressure released from the brake actuator. The system includes a controller to monitor for an upper target pressure condition in the braking system, wherein the upper target pressure condition is associated with a noise zone; and operate, when the upper target pressure is detected and in a noise zone avoidance mode, the inlet valve and the outlet valve to avoid brake pressures that generate a brake noise from the friction force.

The silencing heater comprises an inner cylinder, an outer cylinder and a silencing piece, the outer cylinder is arranged outside the inner cylinder in a sleeving mode, the inner cylinder is provided with an air inlet pipe and an air outlet pipe, and the air inlet pipe and the air outlet pipe both penetrate through the outer cylinder; a heating element is arranged in the inner cylinder, and gas enters the inner cylinder from the gas inlet pipe, is heated by the heating element and then is discharged from the gas outlet pipe; hollowed-out holes are formed in the peripheral wall of the inner barrel, a silencing part is arranged in the outer barrel, and gas in the inner barrel penetrates through the hollowed-out holes to collide with the silencing part so as to conduct silencing. According to the invention, the functions of silencing and heating are integrated; the invention has the advantages that the floor space is saved, the arrangement of a pipeline system is facilitated, the resistance loss of the pipeline system is reduced, and the operation performance of equipment is improved, and is suitable for compressed air pipeline systems with high decibel noise and high temperature requirements, such as outlets of Roots blowers and outlets of air compressors, or other types of gas pipeline projects needing heating and silencing.

A heating installation (2, figure 1) comprises a hot water tank 34 disposed within a thermally insulated housing 20, and a pipe 35 that passes through a floor, wall 22,23 or roof of the housing. The installation is disposed externally of a building to be heated, i.e. outdoors, and the pipe provides fluid communication between the hot water tank and pipework within the building to be heated, e.g. radiators of a central heating system. The installation may be placed in contact with the building whereby an external wall of the building comprises part of the housing. Alternatively, the installation may be spaced from the building and trunking used to contain the pipe. The housing may include doors (26, figure 3) or a lid 24 for access and an electrical supply point (e.g. socket) to power an air-source heat pump 32 to heat water in the tank. The heating installation liberates space in the building (e.g. airing cupboard) for other purposes and can simplify servicing and replacement of the tank and / or heat pump. A method of fitting an installation, which may comprise the tank being fitted with or after the housing, is also claimed.

Devices for coupling to a first and second conduit and methods of manufacturing the same. The device may include a first member defining a channel having a first opening and second opening, and one or more threads located on an inner surface of the channel at the second opening, the first member configured to receive the first conduit at the first opening and the second conduit at the second opening, and the one or more threads engages one or more threads of the second conduit. The device may include a second member circumferentially disposed around a periphery of the first member and axially extending therefrom, the second member including an inner diameter configured based on an outer diameter of the second conduit to enable the second member to form a seal around the second conduit when the second conduit fully engages the first member.

A pool cleaner having a base is provided. The base includes one or more jet ports disposed about a bottom of the base and a fluid conduit system enclosed within the base having one or more flow paths. The pool cleaner includes an elongated connector is coupled to the base and configured to intake fluid into the fluid conduit system. A plenum coupled to the base for discharging fluid. The pool cleaner also includes a drive system having one or more drive units coupled to the base and configured to move the pool cleaner via the fluid.

The invention relates to a tube trailer comprising: a first hydrogen gas source comprising gaseous hydrogen, a second hydrogen gas source comprising gaseous hydrogen, a controller, an outlet connection, and a fuel cell. Wherein said first and said second hydrogen gas sources, are fluidly connectable to said outlet connection and to said fuel cell via a conduit system, thereby facilitating refueling a receiving vessel, when connected to said outlet connection, and energy production by said fuel cell, and wherein said fuel cell is electrically connectable to an electric load thereby facilitating supply of electric power to said electric load, when electrically connected to said fuel cell. Wherein said controller is configured to establish a flow of said gaseous hydrogen in said conduit system from said first hydrogen gas sources to said fuel cell when the pressure in said first hydrogen gas source is below a dispensing threshold pressure.

The utility model belongs to the technical field of water supply cold water step-level waste heat utilization, and discloses a system for relieving a distributed central heating cold island effect, which comprises an air source heat pump and a noise elimination and sound insulation room for accommodating the air source heat pump, and is characterized in that the noise elimination and sound insulation room comprises two side walls, a front wall, a rear wall and a top wall, two variable-frequency axial flow fans are symmetrically arranged at the upper end of the access door, ventilation louver fans are arranged on the two side walls and the rear wall, and electric control valves are installed on the air source heat pump, the ventilation louver fans and the variable-frequency axial flow fans. An electromagnetic control valve of the variable-frequency axial flow fan is connected with the air source heat pump and an electric control valve of the ventilation louver fan through control cables, and a horizontal fan coil and / or a radiator and a pipeline system are / is further arranged in the noise elimination and sound insulation room.

An air duct system with a sorption material has a blocking and guiding system which allows a normal operating state of the air duct system without use of the sorption material and a sorption state. The sorption state helps to reduce the drying time and the energy consumption. The air duct system is used in a domestic appliance, such as a laundry dryer or a dishwasher for laundry. The water released during the regeneration of the sorption material can be used for the next washing cycle. Furthermore, a method of operating the air duct system and a computer program for a domestic appliance are disclosed.

To provide a technique capable of supplying ammonia mixed fuel gas without deposit.SOLUTION: A method includes processes of: removing CO2 from CO2 containing fuel gas; dehumidifying the fuel gas from which CO2 has been removed; and mixing ammonia in a piping system when the dehumidified fuel gas from which CO2 has been removed is transferred to a fuel gas use facility by using the piping system. In the method, the piping system from a position where ammonia is mixed to the fuel gas use facility is warmed to maintain a temperature of the fuel gas at 60°C or higher. A device includes: a mixer for mixing ammonia in the middle of the piping system for transferring the CO2 containing fuel gas; a heater for heating the piping system from the mixer to the fuel gas use facility to cause the temperature of the fuel gas to become 60°C or higher; a CO2 removal device that is installed in the piping system upstream of the mixer and removes CO2 from the CO2 containing fuel gas; and a dehumidification device installed between the CO2 removal device and the mixer.SELECTED DRAWING: Figure 1