271results about "Steam traps" patented technology

A method may include obtaining, from a camera device, thermal image data for a steam area of a plant facility. The steam area may include a steam trap for a steam network. The method may further include obtaining plant steam data regarding the steam trap. The method may further include determining pixel data regarding the steam trap using the thermal image data and an image segmentation process. The method further includes determining various temperature values across the steam trap using the pixel data. The method may further include determining predicted steam trap data using the temperature values, the plant steam data, and a machine-learning model. The method may further include transmitting a command that adjusts one or more parameters of the steam network based on the predicted steam trap data.

The invention provides a drain valve leakage online monitoring method and system based on infrared thermal imaging and deep learning. Comprising the following steps: step 1, collecting a thermal image sequence of a drain valve area in real time through an infrared thermal imager, and simultaneously obtaining a drain valve start-stop signal; step 2, based on a steam trap start-stop signal, synchronously segmenting the thermal image sequence into a working state sequence and a shutdown state sequence according to a working period, and performing dynamic background difference processing on each frame of image to eliminate thermal inertia interference of equipment; 3, calculating a temperature gradient map of each frame of image, generating a temperature gradient mask, and highlighting temperature mutation characteristics of the leakage area; 4, constructing a two-channel time sequence compression network model; 5, evaluating the environmental interference degree based on the dynamic interference index, and dynamically adjusting a leakage judgment threshold value; and step 6, in combination with the leakage region area change rate, the temperature gradient change rate and the sensor data trend, carrying out graded judgment on leakage events, and distinguishing real leakage from background thermal interference through texture feature matching.

A computer-implemented method includes obtaining plant steam data regarding a plurality of steam traps of an industrial plant implementing a steam distribution network during operation of the industrial plant. A database is developed using the plant steam data and used to develop a mathematical correlation that describes a condensation removal rate as a function of parameters including a type of steam trap, temperature, pressure, and a steam volumetric flow rate. A digital twin of the steam distribution network is developed using a machine-learning model and the mathematical correlation, where the digital twin represents all steam straps of the steam distribution network. During operation of the industrial plant, a trap condition of a steam trap of the digital twin is estimated based on a set of plant steam data regarding the plurality of steam traps of the industrial plant.

The invention relates to the technical field of heater drainage control, and discloses a heater drainage control system with fault diagnosis, which comprises an electric regulating valve group, a water level sensor module, a DCS (Distributed Control System) control module and a safety interlocking protection unit, the electric control valve group comprises a position feedback module and an execution mechanism, the DCS control module is integrated with a fault diagnosis sub-module, and the invention further provides a heater drainage control method with the fault diagnosis function, and the method comprises the following steps that S1, signal collection and preprocessing are conducted, and water level signals are collected in real time through a sensor; s2, deviation analysis: the DCS control module compares the deviation between a set value and an actual value, and adopts a self-adaptive threshold to judge a control demand; manual operation is transformed into remote automatic control, an automatic control strategy is optimized, the water level of the high-pressure heater is adjusted when the load of the unit changes frequently, manual operation is reduced, and safety and reliability of operation of the unit are improved.

Devices, systems, and techniques relating to steam trap monitoring are described. These include battery-less steam trap monitors that run on power harvested from their environments, systems for acquiring steam trap monitor data for the traps in a facility or across multiple facilities, and techniques for processing steam trap monitor data to reliably determine the status of individual steam traps and potentially other system parameters.

The utility model discloses a high-efficiency energy-saving type steam dewatering pressure pump, which belongs to the technical field of steam dewatering, and is characterized in that the high-efficiency energy-saving type steam dewatering pressure pump comprises a bottom plate, and an automatic controller is arranged on the front side of the bottom plate, an automatic dewatering mechanism is arranged, and a sliding rod and a top ball are driven to move up and down by utilizing the characteristic that a floating ball ascends and descends along with the water level in a dewatering shell; when the water level rises, the floating ball floats upwards, the top ball is close to the contact type sensor, the contact type sensor transmits a signal to the automatic controller, the automatic controller accurately controls the pressurization pumping drainage structure to be opened according to the signal, condensed water is drained in time, and when the water level drops, the floating ball drops, the top ball is away from the contact type sensor, and the automatic controller controls the pressurization pumping drainage structure to be closed. The process effectively overcomes the interference of steam pressure fluctuation on drainage, and compared with a traditional floating ball type drain valve, drainage is more timely and more accurate, condensation water accumulation is prevented, the steam conveying efficiency is guaranteed, meanwhile, the operation cost is reduced, the water hammer phenomenon is reduced, and the service life of equipment is prolonged.

To provide a diagnostic device or the like for improving accuracy of gas leakage determination of a steam trap.SOLUTION: A diagnostic device includes: measurement means that measures vibration of a trap to be diagnosed and calculates first vibration data from measurement data; estimation means that estimates a drain amount of the trap to be diagnosed on the basis of the first vibration data; acquisition means that acquires a pressure value of the trap to be diagnosed; storage means that stores first relationship information in which a pressure value of the trap in a normal state in which there is no leakage of gas is associated with a determination threshold value, and second relationship information in which a pressure value of the trap in a state in which there is leakage of gas, and a drain amount is equal to or greater than a predetermined amount is associated with the determination threshold value; first determination means that specifies a determination threshold value based on the acquired pressure value on the basis of the first relationship information and performs leakage determination of the gas to be diagnosed on the basis of the first vibration data and the determination threshold value; and display means that displays a determination result by the first determination means and the drain amount. The first determination means executes the leakage determination again on the basis of the second relationship information in response to the satisfaction of a predetermined condition.SELECTED DRAWING: Figure 10

The invention relates to the technical field of air purification, and provides a forest fresh air compression and release device which comprises a base, the top of the base is fixedly connected with an air storage tank, the top of the air storage tank is fixedly connected with a mounting frame, one end of the top of the mounting frame is fixedly provided with a compressor body, and the other end of the top of the mounting frame is fixedly provided with a motor. An output shaft of the motor is fixedly connected with a transmission belt wheel, a rotating screw of the compressor body is coaxially and fixedly connected with an inner fan impeller, an air inlet of the compressor body is fixedly connected with an air inlet pipe, the inlet end of the air inlet pipe is fixedly connected with a filter, an air outlet of the compressor body is connected with a cooling mechanism, and an air outlet of the cooling mechanism is communicated with the interior of the air storage tank. A water supply mechanism is arranged on the base. And the compressed air is cooled through the cooling mechanism, so that severe air pressure fluctuation caused by thermal expansion and cold contraction is avoided, and the air storage safety and the release uniformity are guaranteed.

The utility model discloses an anti-scouring drainage regulating valve, which comprises a valve body, a valve core, a valve rod and a handle, a round pipe is fixedly connected in the handle, a stress application rod is connected in the round pipe in a sliding manner, and the stress application rod is used for helping an operator to rotate the handle better. Belongs to the technical field of drain regulating valves. According to the anti-scouring drain regulating valve, an operator drags out the stress application rod through the round ball, the sliding rod can enter the first sliding groove from the second sliding groove, then the stress application rod is slightly screwed, the sliding rod can enter the third sliding groove, and finally the sliding rod can be controlled to be combined with the third sliding groove by slightly pushing a small section. At the moment, the stress application rod is limited through the third sliding groove and the sliding rod, then an operator can rotate the handle through the stress application rod, the situation that the handle cannot be rotated due to the fact that the handle is too tight is prevented, the stress application rod can be withdrawn through reverse operation, the stress application rod is operated in a drawing mode, too much operation space cannot be occupied, and operation is convenient. And the requirement on the operation space is low.

The utility model discloses a drainage device for a sulfur forming roller granulator, which comprises a gas-liquid pump, an input pipeline and an output pipeline, one end of the input pipeline is connected with a condensed water main pipe of the roller granulator, and the other end of the input pipeline is connected with an inlet of the gas-liquid pump; the top of the gas-liquid pump is connected with a power gas pipe for providing power for flowing of condensed water entering the gas-liquid pump, the power gas pipe is connected with an external power gas source, one end of the output pipeline is connected with an outlet of the gas-liquid pump, and the other end of the output pipeline is connected with a condensed water return main pipeline; the top of the gas-liquid pump is connected with the power gas pipe, the power gas pipe is connected with the external power gas source, and under the action of the power gas source in the power gas pipe, power can be provided for flowing of condensed water entering the gas-liquid pump through the input pipe, that is, the condensed water is recycled in a pressurization mode. Therefore, the condensed water generated by the sulfur forming roller granulator can be well pumped into the condensed water return pipeline network to be recycled.

A fluid permeable heater assembly for an aerosol-generating system includes a cap and a substantially flat electrically conductive and fluid permeable heating element. The cap includes a hollow body with a first cap opening and a second cap opening. The first cap opening is opposite to the second cap opening. The heating element is configured to vaporise aerosol-forming substrate. The heating element is mounted on the cap, such that the heating element extends across the first cap opening. A cartridge for an aerosol-generating system includes the heater assembly, a liquid storage portion, a mouth piece, and a retainer.

The invention discloses a marine air bottle condensate water residue discharge monitoring device based on friction nanometer power generation, which comprises a short pipe section, a fixing device, a TENG sensor unit, a wire, a sensor electronic module and a cable waterproof joint, and is characterized in that the fixing device is fixed on the inner wall of the short pipe section, the TENG sensor unit is fixed in a clamping groove of the fixing device, and the wire is fixed on the TENG sensor unit; the sensor electronic module is fixed on the short pipe section, one end of the cable waterproof joint is connected to the short pipe section, the other end of the cable waterproof joint is connected with the sensor electronic module, the TENG sensor unit is connected with the sensor electronic module through a wire, and the wire is led out of the short pipe section from the cable waterproof joint to be connected to the sensor electronic module. The marine air bottle condensate water residue discharging monitoring device based on friction nanometer power generation can be arranged in a short pipe with a small drift diameter, space is saved, through module design, elements are convenient to install and replace, the structure is simple, material selection is not limited, corrosion resistance is achieved, pollution to the environment is reduced, the manufacturing cost is low, the customizable degree is high, and limitation of ship types is avoided.

The utility model provides a floating ball type steam trap suitable for a low-pressure working condition, and relates to the technical field of valves. The water inlet is connected with a steam pipeline; the water outlet is connected with a condensate pipe network; the first pipe is arranged in the valve body, and the upper end of the first pipe is connected with the water outlet; the second pipe is arranged in the valve body, and the second pipe is provided with a valve seat; the floating ball is movably arranged in the valve body; the valve core is in transmission connection with the valve core and is used for opening or closing the valve seat; a check valve provided to the first pipe; the pressure sensor is mounted at the water outlet; one end of the pressure supplementing pipeline is connected with the water outlet, the other end of the pressure supplementing pipeline is connected with a high-pressure air source, and a pressure supplementing valve is arranged on the pressure supplementing pipeline; the lower end of the second pipe is connected with the lower end of the first pipe to form a U-shaped structure or a V-shaped structure. The pressure sensor is associated with the check valve and the pressure supplementing valve so as to compensate the liquid outlet pressure of the water outlet, and power compensation is provided for flowing of condensate water accumulated in the water outlet and the condensate pipe network.

A liquid separator, in particular for a fuel cell exhaust system, comprises a first housing part (26) with a first connecting flange (44) and a second housing part (28) with a second connecting flange (62), wherein the first connecting flange (44) and the second connecting flange (62) are arranged successively, and wherein the first housing part (26) and the second housing part (28) are connected to each other by a plurality of connecting elements (94) connecting the first connecting flange (44) to the second connecting flange (62).

The utility model discloses a drainage anti-theft device for a buried steam pipe, which comprises a core pipe for conveying steam and an outer sleeve sleeved outside the core pipe, and a protective interlayer is formed between the outer sleeve and the core pipe. The device further comprises a drain pipe. The drain pipe is provided with an inner drain layer and an outer protective layer; the inner drainage layer is communicated with the core pipe and used for collecting and discharging water condensed in the core pipe, and a drainage valve locked through an anti-theft piece is arranged at a drainage port of the inner drainage layer. The outer protective layer communicates with the protective interlayer, so that the protective interlayer communicates with the outside through the outer protective layer. Condensed water in the core pipe can be effectively drained through the drain pipe, and safe and normal operation of the system is guaranteed through the drain valve and the anti-theft piece.

The utility model discloses a steam pipeline drainage recycling device which is used for being connected to a main steam pipeline and comprises a drainage pipeline, a three-way pipe is arranged on the main steam pipeline, and the drainage pipeline is connected with the three-way pipe. A drainage pipeline is arranged at one end of the drainage pipe, a metal corrugated pipe is arranged on the drainage pipeline, the metal corrugated pipe is connected with a three-way pipe, a liquid collection cylinder is arranged at the other end of the drainage pipeline, a liquid recovery pipeline is arranged on the liquid collection cylinder, a liquid drainage pipeline is further arranged on the liquid collection cylinder, and a liquid level sensor is arranged in the liquid collection cylinder; the condensate water drainage device has the advantages that the metal corrugated pipe is arranged on the drainage pipeline, the liquid level sensor is used for monitoring the liquid level of condensate water in the liquid collecting cylinder in real time, when the liquid level of the condensate water reaches a preset alarm value, the liquid drainage pipeline is automatically opened, accurate drainage of the condensate water can be achieved, and the drainage effect is good. Condensate water is effectively prevented from being accumulated in the pipeline, and therefore the operation efficiency and safety of the main steam pipeline are improved.

A steam trap may include a processor, an electronic water sensor configured to determine a presence of condensate water in the steam trap and transmit data regarding the presence of the condensate water to the processor, and an electronically actuatable valve configured to be driven by signals from the processor. The processor may be configured to determine a removal rate of condensate water being removed from the steam trap.

A condensate water rectifier in a steam flow passage includes a nozzle member having a first hole portion and a second hole portion that is continuous with and thicker than the first hole portion, and a partition wall separating an inlet and an outlet from each other, the inlet and the outlet communicating with each other via the first and second hole portions with the nozzle member attached to the partition wall. In the steam flow passage, the first hole portion is positioned on an upstream side and a vertically lower side of the second hole portion. The first hole portion opens in an attachment portion for attachment to the partition wall. 4r1≤L1, 1.5r1≤r2, and L1 / 3≤L2 hold where r1, L1, r2, and L2 denote the radius and length of the first hole portion and the radius and length of the second hole portion, respectively.

The drainage device for the water conservancy project comprises a bent pipe, an installation frame is fixedly installed on the outer side of the bent pipe, a waterproof motor is fixedly installed in the other side of the installation frame, the output end of the waterproof motor is in transmission connection with a transmission rod, two sealing bearings are connected to the outer side of the transmission rod in a sleeved mode, and the sealing bearings are connected with the waterproof motor in a sleeved mode. A protective sleeve movably penetrates through the outer side of the transmission rod; spherical net-shaped protection is formed on the outer side of the fixing pipe through the first spherical net cover and the outer arc plate, impurities in the water suction range can be blocked through the net-shaped separation nets separated on the two sides during water suction, the position of the water inlet pipe cannot be completely blocked by the impurities along with the lifting of the outer arc plate by a certain gap, and the water suction effect is good. Therefore, blockage is avoided in a long-time use range, the structural strength between the net structures is improved, extrusion of falling rocks and sundries in a construction site can be borne, and the service life is indirectly prolonged.

The present invention is a method for feeding a chemical to a steam system that controls the injection of a water treatment chemical to the steam system, the method being for feeding a chemical to the steam system that comprises: a pressure sensor, a temperature sensor, or a steam trap as a steam circulation detection means provided to the steam system; and a chemical feed pump for injecting the water treatment chemical to the steam system, said steam system controlling the injection of the water treatment chemical by means of the chemical feed pump in accordance with the steam circulation detection status of the steam circulation detection means.

To provide a condensate rectifier having a simpler configuration. [Solution] A steam trap (10) as a condensate rectifier according to an embodiment of the present disclosure includes a nozzle member (20) provided in a steam flow path (P) in a steam piping system (S), the nozzle member (20) having first holes (32) and second holes (34) that are continuous with the first holes (32) and are wider than the first holes (32), and a partition wall (36) that separates an inlet (10i) and an outlet (10o), such that when the nozzle member (20) is attached to the partition wall (36), the inlet (10i) and the outlet (10o) communicate with each other via the first holes (32) and the second holes (34). In the steam flow path (P), the first holes (32) are positioned upstream of the second holes (34) and vertically below the second holes (34).

The utility model discloses a continuous drainage device with a flash steam recovery function, and relates to the technical field of flash steam recovery. The device comprises a shell, a flash steam recovery assembly and a waste heat utilization assembly, a partition plate is fixedly connected between the two sides of an inner cavity of the shell, a drain valve is fixedly connected to the top of the partition plate, the flash steam recovery assembly comprises a temporary storage tank, and the left side of the temporary storage tank is communicated with a water outlet of the drain valve. According to the utility model, through the flash steam recovery assembly, condensate water is temporarily stored by using the temporary storage tank and conveyed to the flash tank, the condensate water is depressurized through the flash tank to separate flash steam, and then the flash steam is conveyed to the steam compressor through the steam compressor air supply pipe to be pressurized; the steam can enter a heating system again to be recycled, heat waste caused by direct discharge of the steam is reduced, meanwhile, formation of a local high-humidity environment is avoided, the risk that oxidation corrosion of a pipeline and a supporting structure is accelerated due to the humid environment is reduced, and the service life of equipment is prolonged.

To provide a cable pit vapor cutoff device in an electric room capable of enhancing a water vapor cutoff protection effect for a cable pit.SOLUTION: A cable pit vapor cutoff device in an electric room comprises a structural assembly 100 including a structural member 101, a communication member 102 provided on one side of the structural member 101, and an intake member provided on one side of the communication member 102, and a backflow prevention assembly including a drainage member provided on one side of the communication member 102, a water discharge member provided inside the communication member 102, a cutoff member provided on one side of the drainage member, and a cleaning member provided on one side of the drainage member, wherein a part of vapor inside the communication member 102 is extractable by the intake member, and the drainage member, the water discharge member provided inside the communication member 102, the cutoff member provided on one side of the drainage member, and the cleaning member provided on one side of the drainage member are combined to perform processing.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of drain valves, in particular to a corrosion-resistant drain valve, which improves the sealing performance of a shell, reduces the corrosion of equipment parts, improves the use reliability and improves the cleaning and maintenance convenience in the shell. Comprising a shell and an inlet, and the inlet is formed in the outer side wall of the shell in a communicating mode; the discharging barrel is arranged on the lower portion of the outer side wall of the shell in a communicating mode, the bottom end of the first conveying pipe is communicated with the discharging barrel, the input end of the second conveying pipe is arranged on the upper portion of the shell in a communicating mode, and the output end of the second conveying pipe is communicated with the first conveying pipe; the first discharging device is arranged on the upper portion of the shell and used for controlling discharging of air and condensate water, and the second discharging device is arranged on the lower portion of the shell and used for controlling discharging of the condensate water.

The present disclosure relates to a steam trap system, including: an inlet port to receive steam; a diversion valve, configured to be mounted on the inlet port and is further configured to be branched to a first passage and a second passage; a bypass outlet, configured to be in communication with the first passage; a trap mechanism, configured to be in communication with the second passage; at least one first sensing unit, configured to generate at least one first sensed signal corresponding to the steam flow characteristics; a control unit, configured to be connection with the first sensing unit to generate an actuating signal; and a valve actuator, configured to be in communication with the control unit to selectively activate either the bypass outlet port or the trap mechanism, to allow separation of the condensate from the steam. Advantageously, the system efficiently removes the condensate from the steam.

The utility model relates to a heterogeneous honeycomb type compressed air tank group convenient to drain and an oxygen generator. An existing compressed air tank set is poor in drainage effect. The device comprises a plurality of tank bodies, the heights of the bottoms of the tank bodies which are sequentially connected in series from front to back in the flowing direction of air flow are sequentially reduced, and the bottom surface of the front tank body is communicated with the side wall of the bottom of the rear tank body through a pipe fitting, so that liquid in the tank bodies flows along the pipe fitting under the driving of the air flow and is intensively discharged. The heights of the bottom surfaces of the tanks which are sequentially arranged in the flowing direction of air flow are sequentially reduced, so that liquid in the front tank automatically flows into the rear tank through a pipe fitting and is intensively discharged through a unified water outlet, the consumption of high-pressure air during air exhaust is effectively reduced, the production efficiency of the high-pressure air is improved, the operation cost is reduced, a control system is simplified, and the energy consumption is reduced. The control operation is convenient, the equipment cost is reduced, and the use experience is improved.

The present invention provides a drain apparatus for use in a subsea pipeline to remove liquid from a multiphase flow in the subsea pipeline. The drain apparatus comprises a first channel for carrying a multiphase flow comprising liquid and gas phases; and liquid extraction means for extracting the liquid phase from the multiphase flow in the first channel. The internal diameter of the first channel is substantially the same as an internal diameter of a subsea pipe arranged to carry the multiphase flow in the subsea pipeline, such that a pig travelling along the subsea pipe can pass through the first channel. The present invention also provides a subsea pipeline comprising a subsea pipe for transporting a multiphase flow subsea; and at least one drain. The at least one drain is disposed partway along a gradient in the subsea pipe to reduce liquid holdup.

The utility model provides a drainer. The drainer comprises a water inlet and a water outlet, comprising a shell which is provided with a water inlet cavity, a pressure cavity and a first channel; the sealing element is movably arranged in the pressure cavity, and an inclined angle is formed between the moving direction of the sealing element and the axis of the first channel; the pressure relief mechanism is used for controlling the pressure state of the pressure cavity; when the pressure cavity is in the first state, the pressure in the pressure cavity is larger than that of the water inlet cavity and drives the sealing piece to block the first channel, and when the second pressure cavity is in the second state and the pressure of the pressure cavity is smaller than that of the water inlet cavity, liquid in the water inlet cavity jacks up the sealing piece, so that the water inlet cavity is communicated with the first channel. And liquid in the water inlet cavity is discharged to the water outlet through the first channel. The utility model has the beneficial effects that the pressure cavity is adjusted through the pressure relief mechanism, so that the pressure in the pressure cavity is greater than or less than the pressure of the water inlet cavity, and the sealing element moves through the pressure difference, so as to open or close the drainage.

The invention relates to the technical field of drain valves, in particular to an improved drain valve for a lithium sulfate evaporative crystallization system, which comprises a valve body, a valve inner layer, a vapor-liquid pipe, a vapor stopping device, a valve cover, a backflow device, a backflow pipe and a filtrate box, a valve outer layer is arranged in the valve body, a vapor-liquid pipe is arranged on the outer surface of the valve body, a floating ball is arranged in the valve inner layer, a magnetic ball is arranged in the floating ball, a liquid supply pipe is arranged in the valve inner layer, and a magnetic ring is arranged at the end of the liquid supply pipe. The device has the advantages of being good in continuous drainage or exhaust capacity, stable in internal pressure, good in sealing performance, beneficial to separate exhaust and drainage, good in stability, light in overall weight and convenient to install.

The invention relates to a condensate discharge device for discharging condensate from at least one cooled component, in particular a cooled electronic device, and having surfaces which can form condensate, wherein the condensate discharge device comprises a thermally conductive element having a condensation surface, which is designed to at least partially cover the surface of the at least one component and to transfer cold which leads to condensation on the surface of the at least one component to the condensation surface, and a housing having at least one condensate discharge line and / or a condensate chamber for collecting condensate formed on the condensation surface, wherein the at least one condensate discharge line each defines at least one predetermined flow path for discharging condensate from the housing, which flow path is fluidically separated from the at least one component.