2149 results about "Piping" patented technology

Embodiments of the invention provide a high density liquid cooling system including a rack, primary loop piping including a primary inlet, a primary outlet, a primary loop filter, and a primary bypass valve, and secondary loop piping including a secondary inlet, a secondary outlet, a first pump, a first filter downstream of the first pump, and a secondary bypass valve. The system includes a heat exchanger having a first side and a second side. When the primary bypass valve is open, at least a portion of the fluid in the primary loop piping flows through the primary inlet and the primary outlet without traversing the heat exchanger, and when the secondary bypass valve is open, at least a portion of the fluid in the secondary loop piping flows through the secondary inlet and the secondary outlet without traversing the heat exchanger.

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 present system provides an integrated fire suppression system that enables use of hybrid media fire-extinguishing systems and methods, and which includes all components in a single integrated control panel and cabinet, other than system piping to nozzles or emitters. The system enables the entire panel and cabinet to be inspected and analyzed, and installed, repaired, or maintained in a single operation, dramatically reducing time spent on site and reducing the qualifying process as well. The assembly of the panel is off-site, typically under the inspection of any qualifying agencies. Once assembled, the system can remain qualified for rapid installation at any future time, allowing easy replacement of faulty panels or consumables.

The invention relates to the field of drilling ship manufacturing, in particular to a data acquisition method and system of a driver for oil exploitation. Six-degree-of-freedom motion data of a ship motion reference unit, pressure data of a hydraulic cylinder of a marine riser tensioner, hook load data of a drill string hung by a top driving system, torque data and radial acceleration data are synchronously collected, and collected multiple paths of signals are aggregated to form synchronous multi-source vibration data flow. According to the method, multiple types of vibration, load and pressure signals are synchronously collected and aggregated and segmented under the unified time reference in the operation process of the drilling ship, so that the consistency of multi-source data on the time scale is ensured, and the real dynamic coupling relation can be reflected by subsequent calculation; in the signal processing stage, key acceleration and pressure fluctuation information are extracted, and the actual working state of the marine riser system is represented through dynamic response characteristics constructed by the peak position, the peak amplitude and the power spectral density.

A gas and steam power generation afterburning type heat-electricity decoupling system and a working mechanism thereof, characterized in that the system comprises a gas turbine power generation system, a power transmission and transformation system, a molten salt heat storage system and a steam power generation system; the gas turbine power generation system is connected with the molten salt heat storage system through a flue gas pipeline; the molten salt heat storage system is connected with the power transmission and transformation system through a cable; the gas turbine power generation system is connected with the power transmission and transformation system through a cable; the molten salt heat storage system is connected with the steam power generation system through a main steam pipeline and a backwater pipeline; and the steam power generation system is connected with the power transmission and transformation system through a cable. The system can realize complete heat-electricity decoupling in a green energy storage system, realize the functions of self-supply of external power, storage of green electricity or heat supply, increase the accommodation capacity of a power grid to green electricity, and enhance the stability, flexibility and safety of a new power system.

The invention discloses a film type liquid cargo containment system which comprises a plane insulation module, a corner insulation module and a nitrogen pipeline, the plane insulation module and the corner insulation module are fastened on the inner wall of a storage tank cabin, and each of the plane insulation module and the corner insulation module is composed of a main layer insulation module and a secondary layer insulation module. The main layer insulation module is fixed above the secondary layer insulation module to form step surfaces, a first bridging module, a second bridging module and a corner region bridging module are respectively mounted on the step surfaces at different positions, and nitrogen pipe mounting grooves are formed in the first bridging module, the second bridging module and the corner region bridging module through which a nitrogen pipeline passes; the arranged nitrogen pipe mounting grooves are connected to form a nitrogen arrangement pipeline; the invention further discloses a nitrogen pipeline mounting method. According to the thin film type liquid cargo containment system, the nitrogen pipelines are embedded in the bridging modules, so that the flatness of the upper surface of the main layer insulation structure of the containment system can be kept, and the thin film type liquid cargo containment system is adaptive to more types of corrugated plate structures.

The invention relates to the field of industrial automation process control, and discloses a self-adaptive cooperative control system for industrial fluid pipe network valve nodes, which comprises control units distributed at the pipe network nodes, and the control units monitor target adjustment increment of controlled units and broadcast forecast signals. According to the method, the characteristic that the transmission speed of an electric signal is higher than the conduction speed of physical disturbance is utilized, the reverse feed-forward compensation amount is calculated and superposed according to a preset neighborhood influence weight table before the physical disturbance reaches an associated node, a digital reflex arc faster than physical response is constructed, the qualitative change of a control mode from lag correction to advanced immunity is realized, and the stability of the control mode is improved. Interlocking oscillation caused by the coupling effect of the multi-node network is suppressed, the load of the communication bus is ensured to be in a self-adaptive adjustment state while low computing power overhead is maintained, and the control real-time performance of large-scale networking is improved.

A system and method for determining fluid quality or change in quality by training machine learning algorithms using ultrasound Fast Fourier Transform (FFT) signatures. The system includes one or more ultrasonic transducers embedded inside or outside of a pipe, piping, or vessel that allows a fluid to flow past or between the ultrasound transducers. The transducer's acoustic energy creates ultrasound pressure waves and localized heat due to acoustic cavitation. The cavitation creates bubbles that collapse creating ultrasound sonic energy in the time domain. Unique sonic time-domain signatures, distinctively associated with the characteristics of the fluids, are converted to FFTs to produce unique, well-defined frequency response signatures. Machine learning algorithms are used to identify, measure, and classify the unique frequency response signatures associated with a wide range of fluids.

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 invention provides a deepwater semi-submersible drilling platform pressure control drilling MPD control system which comprises a platform rotary table face. A platform wellhead flow divider, a marine riser expansion joint, a marine riser tension ring, a marine riser rotation control pup joint, an MPD hydraulic control pup joint, an MPD marine riser annulus sealing device, a marine riser four-way joint, a drilling marine riser, an underwater blowout preventer set and a seabed underwater wellhead are sequentially connected to the platform rotary table face from top to bottom. The MPD hydraulic control pup joint is connected with a rotary control pup joint power unit through an umbilical cable I, an umbilical cable roller frame I and a cable hose, and the rotary control pup joint power unit is connected with a deepwater MPD electro-hydraulic control system main control station; the MPD marine riser annulus sealing device is connected with the annulus sealing device and the buffer manifold hydraulic power unit through an umbilical cable II, an umbilical cable roller frame II and a cable hose and is connected with the deepwater MPD electro-hydraulic control system master control station; the throttling hydraulic power unit is connected with the deepwater MPD electro-hydraulic control system master control station. According to the system, pressure regulation and control, equipment management and operation safety guarantee in the deepwater pressure-controlled drilling well are realized.

A piping system for oil and gas in very deep water includes two opposing flanges and a seal ring between the flanges. Each flange has an annular ridge between concentric grooves. The seal ring has a radial web that connects longitudinal inner and outer sealing portions, which are received in the concentric grooves with the annular ridge received sealingly between the inner and outer sealing portions. The inner sealing portion of the seal ring is longer than the outer sealing portion. The web is as thick as or thicker than the inner and outer sealing portions. The seal ring comprises inner and outer concentric hollow cylinders having a non-uniform wall thickness and an annular rib that connects the hollow cylinders together, where one cylinder is longer than the other and where the rib has a longitudinal thickness that is as great as the radial thickness of the walls of the hollow cylinders.

The invention provides a control method for layer-by-layer carrying in a segmented data warehouse, which belongs to the technical field of layer-by-layer carrying, and comprises the following steps: step 1, carrying out segmented division on the segmented data warehouse; step 2, performing independent manufacturing on non-adjustment segments in the data warehouse for segment manufacturing; step 3, carrying out non-adjustment segmented welding and precision measurement on the data bins manufactured in a segmented manner; step 4, performing adjustment segmentation allowance compensation on the data bins manufactured in a segmentation manner; step 5, carrying out layer-by-layer carrying operation on the data bins which are manufactured in a segmented manner; 6, front equipment and piping system installation is carried out on the data bins manufactured in a segmented mode; and 7, carrying the segmented data bins in a segmented manner, and integrally folding the segmented data bins. Through scientific segmentation division, accurate precision compensation, a reasonable carrying sequence and preposed equipment installation procedures, effective control over the overall size precision of the data bin is achieved, and the construction quality and efficiency are improved.

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).

The application discloses a heat pipe heat sink welding process based on heat conduction and belongs to the technical field of welding. The welding equipment is composed of a vacuum box, a control box, an electromagnetic device, a heating plate, a control box, a vacuum straight-through pipe with a water cooling jacket, a water pipe, a vacuum variable-diameter cross pipe, a gas release valve, a vacuum valve, a condenser, a vacuum bellows, a vacuum pump, a baffle valve, a gas collecting pipe, a smoke hood, a liquid cooling source and a smoke purifier. The application has the advantages that the problems of product performance decline and even scrapping caused by the floating of the heat pipe in the traditional welding process are perfectly solved, the welding quality is improved, the vacuum pump is protected and the service life of the vacuum pump is prolonged, the process is simple and easy to implement, and the production cost can be greatly reduced.

A system includes a processing circuitry and a memory, accessible by the processing circuitry, the memory storing instructions that, when executed by the processing circuitry cause the processing circuitry to perform operation including receiving one or more route criteria and identifying a number of pipes, wherein the number of pipes is based on the one or more route criteria. The piping also includes generating a vector route, storing the vector route, generating a limiting zone, and performing an iterative process including determining one or more vector routes for each of the identified number of pipes. Further, the piping system also includes optimizing a route solution based on the one or more vector routes based on an optimization parameter and outputting a three-dimensional pipe layout, wherein the three-dimensional pipe layout is transmitted to an external platform for display via a user interface.

To provide an indoor unit of an air conditioner that can early detect a leaked refrigerant.SOLUTION: An indoor unit of an air conditioner according to the present disclosure uses a refrigerant having combustibility, and comprises: a heat exchanger for exchanging heat with indoor air; a case which has a back surface arranged so as to face a wall surface in a room, and comprises a lower surface covering at least a lower part of the heat exchanger; a refrigerant pipe connected to the heat exchanger, and in which the refrigerant is circulated; and a gas sensor arranged in the case, and detecting the refrigerant. A gap is provided between the back surface of the case and the wall surface. The lower surface of the case is provided with one or a plurality of holes penetrating to the outside from the inside of the case. The one or the plurality of holes have a larger dimension than a dimension of the gap in a direction toward a front surface of the case from the back surface. The gas sensor is arranged around the one or the plurality of holes in the lower surface of the case.SELECTED DRAWING: Figure 3

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 present invention provides stormwater drain inserts that may include a bib with an adjustable outer frame and an inner support ring for supporting a removable filter bag. An annular seal flap may be provided around a central opening of the bib above the inner support ring. Overflow ports may be provided in the bib between the outer frame and the inner support ring.

A break check valve can include one or more rotating members configured to rotate to alter the break check valve from an open position to a closed position upon dislocation of a pipe system fitting, the break check valve being altered from an open position to a closed position when acted upon by fluid within a piping system.

The invention relates to the technical field of pipelines, in particular to a complex FLNG cabin three-dimensional pipeline layout method which comprises the following steps that S1, basic parameters are initialized; s2, calculating initial solutions by adopting an intelligent initial strategy based on obstacle density, and taking an optimal solution in the initial solutions as a current global optimal solution; s3, entering an iteration process, calculating an energy factor, if the energy factor is greater than 1, performing long-distance migration with the probability of 30%, and performing hole digging with the probability of 70%; otherwise, randomly foraging or avoiding the predator at equal probability; s4, periodically performing an elitism and neighborhood search strategy; s5, executing an adaptive orthogonal constraint relaxation strategy and boundary limitation operation; and S6, calculating and determining a final global optimal solution, and outputting a final layout result. According to the method, the calculation efficiency and the convergence speed are improved, the actual engineering situation is fit, and the engineering cost is reduced on the basis of preferentially meeting orthogonalization feasibility.

The invention discloses a thermal management integrated assembly and whole vehicle thermal management equipment, belongs to the technical field of thermal management systems, and is designed for solving the problems that an existing thermal management system is complex in connecting pipeline structure, large in occupied space and the like. The heat management integrated assembly comprises an integrated refrigerant waterway valve plate assembly, one port of a three-way valve is connected to a water outlet connector of a heat dissipation water tank, the other port of the three-way valve is connected to a water outlet connector of a motor, and another port of the three-way valve is connected to a port A of a first four-way valve; the three-way valve, the first four-way valve, the second four-way valve and connecting pipelines between the connectors are all integrated in the integrated refrigerant waterway valve plate assembly. A battery heat exchanger; and a low-temperature heat dissipation water tank. According to the heat management integrated assembly and the whole vehicle heat management equipment, pipelines in a unit are very few, the problem that an existing heat management system is complex in connecting pipeline structure and large in occupied space is solved, the size is compact, and installation and maintenance are convenient and fast.

In the field of piping inspection technology, a fisheye lens unit and a non-destructive piping inspection device are provided. The system comprises a support plate 1, a connecting sleeve 2, a fixed plate 3, a connecting plate, and a fisheye lens, with an arc-shaped groove 6 drilled in the support plate. A first motor 8 realizes circumferential rotation scanning of the fisheye lens through the meshing transmission of a gear 10 and an internal gear 9, and a second motor 13 of the movement mechanism drives a chain transmission to realize axial movement of the fisheye lens. The two motor control systems operate independently, and a multi-degree-of-freedom flexible support system ensures that the fisheye lens can adapt to different pipe diameters and curved piping environments.

The application discloses a kind of safety evaluation method and safety evaluation system of dike engineering, belong to dike engineering safety technical field.The method includes: obtaining the temperature variation data of the dike region to be monitored;According to temperature variation data, the temperature gradient distribution in the dike is calculated, the historical data of seepage field state are combined, the delay influence of temperature gradient distribution to seepage field state is analyzed;Distributed sensor network is deployed in the key area of dike, real-time monitoring the change of seepage field state, obtains high-precision seepage field state data;According to the piping signal extracted from high-precision seepage field state data, and combining temperature gradient distribution and seepage field state data, piping path is predicted through random forest model;Based on the prediction result of temperature variation data, seepage field state data and piping path, the probability of piping occurrence and early warning level are predicted.The application can more comprehensively evaluate piping risk by integrating multi-source data, reduce the misjudgment possibly brought by single index.

The invention provides a self-propelled fire hose reel device for an airport. The self-propelled fire hose reel device comprises an AGV (automatic guided vehicle) and a reel assembly above the AGV. The reel assembly comprises a driving motor and a reel pipe disc and is used for automatically laying and recycling the fire hose. A frame of the unmanned trolley is provided with a retractable pipe auxiliary assembly, and the retractable pipe auxiliary assembly comprises two retractable pipes which synchronously and reversely rotate. A variable pipe collecting gap is formed between the two collecting and releasing pipes, and the fire hose penetrates through the gap. Through rotation of the winding and unwinding pipe, the water pipe can be extruded and flattened during winding, accumulated water is discharged, and it is ensured that the water pipe is wound flatly and tightly; and the gap is expanded during throwing, so that the water pipe smoothly passes through. Automatic deployment and recovery of the fire-fighting water pipes are achieved, the fire extinguishing efficiency is remarkably improved, and the problems that the water pipes are unevenly stored and water is accumulated in the water pipes are solved.

Disclosed are methods and a safety system implemented within a structure of automatic modification of a rate of filling an air bottle with breathable air in the safety system. In accordance therewith, an air fill charge rate controller device is coupled to the breathable air from a source thereof in the safety system having a fixed piping system installed within the structure for supply of the breathable air across the safety system. A flow rate of the breathable air from the source thereof is detected through a flow sensor associated with the air fill charge rate controller device. In accordance with the detection of the flow rate, a control unit of the air fill charge rate controller device automatically modifies a fill rate at which the air bottle is to be filled with the breathable air.

A circulating vapor phase soldering device, which comprises: a liquid storage tank (10), the liquid storage tank (10) being used for storing a vapor phase liquid; a preheating apparatus (20), the preheating apparatus (20) being connected to the liquid storage tank (10) and heating the vapor phase liquid to a first temperature; a heating cavity (30), the heating cavity (30) being connected to the preheating apparatus (20) and being used for heating the vapor phase liquid until same evaporates, so as to heat a workpiece; a recovery apparatus (40), the recovery apparatus (40) being connected to the heating cavity (30) and the liquid storage tank (10), and being used for recovering the vapor phase liquid from the heating cavity (30) into the liquid storage tank (10); and a piping system (50), the piping system (50) being used for driving the vapor phase liquid to sequentially enter, from the liquid storage tank (10), the preheating apparatus (20), the heating cavity (30) and the recovery apparatus (40), and for driving the vapor phase liquid to enter the liquid storage tank (10) from the recovery apparatus (40). The liquid storage tank (10), the preheating apparatus (20), the heating cavity (30) and the recovery apparatus (40) are connected into a loop by means of the piping system, such that after soldering is completed, the vapor phase liquid can flow back into the liquid storage tank (10) for storage, thereby realizing full cyclic utilization of the vapor phase liquid during a soldering process, improving the utilization efficiency of the vapor phase liquid, reducing resource consumption, and lowering production and processing costs.

The invention relates to the technical field of insulated cables, and provides a high-temperature-resistant cross-linked polyethylene insulated cable for a charging pile, which comprises a cable body, the cable body comprises a plurality of conductors arranged in a stranded manner, each conductor is coated with a cross-linked polyethylene insulating layer, a wrapping layer is arranged outside the plurality of conductors, a filling layer is arranged in the wrapping layer, and the cross-linked polyethylene insulating layer is arranged in the filling layer. The cable further comprises a sheath layer, flexible water supply pipes, flexible water return pipes and a circulation assembly, the sheath layer is arranged outside the wrapping layer in a wrapping mode and used for resisting mechanical damage, the flexible water supply pipes are arranged in the filling layer, the flexible water return pipes are arranged in the filling layer in a twisted mode, and the circulation assembly is arranged between the flexible water supply pipes and the flexible water return pipes. By means of the technical scheme, the problems that in the prior art, under the condition of long-time high-power charging, continuous high current can generate huge heat, so that a cable insulation layer is damaged due to high temperature, and the service life of a cable is affected are solved.

This invention provides a coolant flow channel plate, relating to the technical field of vehicle thermal management. It includes a cover plate fixed to the top of a main board, with the main board and cover plate welded together at their side edges to form an internal flow channel cavity. The cover plate has refrigeration unit inlet / outlet assemblies on its surface. The main board has, from left to right, a heater pump mounting port, a battery pump mounting port, and a motor pump mounting port. The circuits between the heater pump and battery pump mounting ports, and between the heater pump and motor pump mounting ports, within the internal flow channel cavity are each equipped with a first anti-heat-spreading section. The circuit between the motor pump and battery pump mounting ports forms a variable-diameter section, with a second anti-heat-spreading section at its front end. A guide section is provided on the circuit of the battery pump mounting port. This invention solves the problem of lacking anti-heat-spreading structures at the connection points of circuits in different temperature ranges, achieving the technical effects of reducing vehicle weight, reducing vehicle connection piping, reducing heat loss in the thermal management system, and improving thermal management efficiency.

The application discloses a kind of acquisition methods for the acoustic transfer characteristics of a through-hull piping system, which comprises the following steps: obtaining the acoustic transfer characteristics of the piping system in the frequency range of 5Hz-1st critical frequency, drawing the relationship curve, and taking the 1st peak point on the curve; determining each high-order critical frequency, calculating and obtaining the relationship between the amplitude A of the peak point in the acoustic transfer characteristics relationship curve of the piping system and the frequency f; drawing the relationship curve between the amplitude of the peak point and the frequency, and determining the peak point of each frequency band on the curve, and calculating the acoustic transfer characteristics relationship of the corresponding peak point frequency band. The beneficial effects of the present application are: based on the traditional method, the peak point-frequency relationship of the acoustic transfer characteristics curve of the through-hull piping system is given, and an acquisition method for the acoustic transfer characteristics of the through-hull piping system is proposed, which can be used for the evaluation of the acoustic transfer characteristics of the system piping in the frequency band of 5Hz-1000Hz in the preliminary design stage of the through-hull system.

A refrigerant amount estimation device and the like are provided that improve the accuracy of estimating the remaining refrigerant amount regardless of the piping length. [Solution] A refrigerant amount estimation device estimates the amount of remaining refrigerant in an air conditioner that includes an outdoor unit having a compressor, an outdoor heat exchanger, and an expansion valve, and an indoor unit having an indoor heat exchanger, and that is equipped with a refrigerant circuit formed by connecting the outdoor unit and the indoor unit with refrigerant piping, and through which refrigerant circulates in the refrigerant circuit. The refrigerant amount estimation device has a control unit that estimates the amount of remaining refrigerant using a learning model in which a state quantity that is correlated with at least the degree of subcooling and the piping length of the refrigerant piping is learned in association with the amount of remaining refrigerant.