391 results about "Conduit system" patented technology

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.

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.

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.

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 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.

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.

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.

In order to improve a fuel cell device, which comprises at least one fuel cell unit located in the housing and a conduit system having at least one conduit device for a fuel medium and a conduit device for an oxidation medium, an ejector insert located in the conduit system and having an ejector element is arranged in the interior of the housing.

The invention relates to a device (100) for heat distribution for a motor vehicle (200). The device (100) comprises a fuel cell (1), a braking resistor (2) for converting electrical energy into heat energy, and a temperature control circuit (10) through which a temperature control fluid flows for temperature control of the fuel cell (1) and the braking resistor (2). The temperature control circuit (10) is thermally coupled to the fuel cell (1) and the braking resistor (2) and has a main heat exchanger (14) through which air can flow and a switchable auxiliary heat exchanger (16), preferably also through which air can flow, such that preferably the fuel cell (1) and the braking resistor (2) can be thermally coupled via the temperature control circuit (10) either to the main heat exchanger (14) and auxiliary heat exchanger (16) or only to the main heat exchanger (14), wherein: The temperature control circuit (10) has a piping system (11) and a valve assembly (13) in the piping system (11), wherein the valve assembly (13) is adjustable to several different settings for adjusting the flow of the temperature control fluid within the temperature control circuit (10), including: a high-load setting in which both the main heat exchanger (14) and the auxiliary heat exchanger (16) can be supplied with the temperature control fluid, wherein in the high-load setting the main heat exchanger (14) and the auxiliary heat exchanger (16) can be connected either in parallel or in series to each other, preferably by means of the valve assembly (13).

The utility model discloses a kind of gas pipeline water stop, it is related to gas pipeline conveying equipment technical field, comprising: water stop body and gas-liquid separation mechanism and free-floating ball type trap, gas-liquid separation mechanism is set in water stop body, to form in water stop body top air passage and bottom drain passage, air passage is communicated with gas outlet pipe, drain pipe is communicated with drain passage;Free-floating ball type trap is installed in the bottom of drain pipe, to form liquid storage cavity in drain pipe, after the water of liquid storage cavity exceeds design height, drive free-floating ball type trap's float ball to rise and then open free-floating ball type trap and discharge water exceeding design height from the drain port of free-floating ball type trap, without manual intervention, can automatically control drainage according to the change of water level in liquid storage cavity, improve the timeliness and efficiency of drainage, ensure that ponding in pipeline system does not too much affect operation.

The utility model relates to the technical field of injection water systems, in particular to a common cold point cooling system. The common cold point cooling system comprises a distribution module and a pipeline system; the distribution module comprises a storage tank unit and a first heat exchanger; the pipeline system comprises at least one second heat exchanger and at least one water consumption point; the storage tank unit, the first heat exchanger, the second heat exchanger and the water consumption point are connected in series; the first heat exchanger is used for heating the system, and the second heat exchanger is used for cooling the system. The injection water system is cooled by adopting the cooling effect of the second heat exchanger at the water consumption point in the pipeline system, and a distribution module is not required to be connected into a chilled water interface, so that the input cost and the maintenance cost of the system are reduced.

The invention discloses a self-dredging system and method for a sand blocking ridge, and the system comprises a sand pump which is disposed on the upstream side of the sand blocking ridge and is used for providing suction power; the embedded pipeline system comprises a sand suction main pipe communicated with an inlet of the sand pump and at least one sand suction branch pipe; the cutting head is arranged at the front end of the sand suction branch pipe and is used for crushing deposited silt; the silt treatment system is communicated with an outlet of the sand pump and is used for carrying out solid-liquid separation and dehydration treatment on the sucked silt-water mixture; the monitoring system comprises a deposition thickness sensor for detecting the deposition thickness in front of the ridge; and the control system is in signal connection with the monitoring system and the sand pump and is configured to receive a signal of the deposition thickness sensor and automatically start the sand pump when the deposition thickness exceeds a preset threshold value.

Disclosed is a heating, ventilation, air conditioning and cooling (HVACamp; r) system (10) comprising a compressor (32) and an oil piping system (100). The compressor (32) includes an inlet (162) configured to receive refrigerant directed along a refrigerant flow path (118) and through the compressor (32), a displacement member (110), and an actuator (108) configured to drive operation of the displacement member (110) to pressurize the refrigerant in a chamber (144) of the compressor (32). The oil piping system (100) includes a channel (117) configured to direct oil into the refrigerant flow path (118), and the channel (117) is configured to place the oil in a heat exchange relationship with the refrigerant, the refrigerant is directed along the refrigerant flow path (118) and flows at least partially in a direction extending from the inlet (162) to the chamber (144).

A method of updating the program of a gas compressor system is provided. The system has gas compressors, a controller that controls the gas compressors by a program, a discharge piping system coupled with each of the gas compressors, and a control terminal that controls the controller of the gas compressors. Gas discharged from the discharge piping system is controlled by the controller by at least one of a predetermined pressure value and flow rate of the gas value, including obtaining a program update, updating the program for a first gas compressor in operation that is a target of the program update among the gas compressors, and operating at least one of a second or a third gas compressor of the gas compressors based on the predetermined pressure value and the predetermined flow rate of the gas value.

1. The name of the design product: four-way connecting pipe. 2. The use of the design product: the design product is used for connecting pipe fittings in pipe systems. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

Many conduit, piping and tubing systems comprise interconnected components. The connector assemblies comprises a main body, optionally at least one sealing member, at least one gripper assembly, and a locking mechanism. The piping joint assembly or connection assembly may be used in fluid flow systems, pressurized systems, and conduit systems, for example. Embodiments of the joint assemblies, connection assembly, and methods facilitate a simple connection, simple disconnect, repair and reuse of the joint assembly or components of the joint assembly.

To suppress apparatus cost and construction cost of an air conditioner when air-conditioning a space that is divided into a plurality of areas.SOLUTION: An air conditioning system 100 includes: an air conditioner 10; a first duct system 20 for supplying air-conditioned air from the air conditioner to a first area A; and a second duct system 30 for supplying air including the air-conditioned air from the air conditioner to a second area B. The first duct system includes: a plurality of first blowout ports 25 for blowing out the air-conditioned air into the first area; and a branch air supply port 22 for the air-conditioned air provided upstream of the first blowout ports. The second duct system includes: an air suction port 32 disposed leaving a predetermined clearance with respect to the branch air supply port to suck mixed air formed by mixing the air-conditioned air from the branch air supply port with indoor air; a plurality of second blowout ports 36 for blowing out the mixed air into the second area; and a booster fan 33 that blows out the mixed air taken in from the air suction port to the second blowout ports.SELECTED DRAWING: Figure 1

The invention belongs to application of high and new technologies in the field of constructional engineering, and discloses an underground garage top plate high-low span construction anti-seepage structure and a method of the underground garage top plate high-low span construction anti-seepage structure. The grouting guide pipe comprises an anti-seepage device grouting pipe, an anti-seepage grouting flexible guide pipe, an anti-seepage device inner guide pipe and an anti-seepage device main pipe; a rubber waterstop is arranged between the anti-seepage device inner guide pipe and the anti-seepage device main pipe, the anti-seepage grouting flexible guide pipes are annularly arrayed on the anti-seepage device main pipe, and the anti-seepage device grouting pipes are arranged on the anti-seepage device main pipe at intervals in a grouting mode. According to the invention, the nano modified epoxy resin grouting material, the water swelling self-healing rubber waterstop and other materials all adopt an environment-friendly formula, the structural design of a double-layer anti-seepage guide pipe system and the like facilitates later maintenance, and the stepped high-low span connection structure disperses stress and avoids cracking through stepped transition and embedding of a waterstop steel plate in an inverted trapezoidal waterstop groove.