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281 results about "Steam trap" patented technology

A steam trap is a device used to discharge condensates and non-condensable gases with a negligible consumption or loss of live steam. Most steam traps are nothing more than automatic valves. They open, close or modulate automatically.

Method and system for determining steam trap data using machine learning

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.
Owner:SAUDI ARABIAN OIL CO

On-line monitoring method and system for drain valve leakage based on infrared thermal imaging and deep learning

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.
Owner:HUANENG LINYI POWER GENERATION CO LTD +1

Thermodynamic equilibrium simulation analysis method and system

The invention provides a thermodynamic equilibrium simulation analysis method and system, and relates to the technical field of data processing, and the method comprises the steps: 1, building a steam thermodynamic equilibrium model based on the technological parameters of a thermodynamic network; 2, analyzing a thermal distribution state through a steam thermal equilibrium model, identifying an unbalance factor in a process chain, and establishing a four-vertex geometric topological relation among a heat exchanger inlet / outlet, a pressure reduction module and a drain valve process node according to the physical layout of a thermal network; and step 3, based on the dynamic proportion characteristic of the four-vertex geometric topological relation, calculating a thermal correction factor, and adjusting the heat transfer coefficient, the steam pressure and the condensate water temperature parameter of the steam thermal equilibrium model according to the thermal correction factor to obtain the corrected steam thermal equilibrium model parameter. According to the method, through dynamic correction of model parameters and simulation optimization, accurate identification and dynamic regulation and control of thermal unbalance are realized, a closed loop for optimized feedback is formed, and the operation efficiency and stability of a thermal system are improved.
Owner:HANGZHOU AN NAI JIE SCI & TECH CO LTD

Real-time advisory system and method for steam distribution network operation

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.
Owner:SAUDI ARABIAN OIL CO

Steam flow standard device adopting standard meter method

The invention discloses a standard meter method steam flow standard device which comprises a frame body, a cooler is fixedly installed at the left end of the frame body, a sixth pipeline and a second pipeline are sequentially and fixedly installed at the upper end of the front surface of the cooler from left to right, and a drain valve is fixedly installed at the left end of the second pipeline. Through the arrangement of the main heat exchanger, effective heat exchange can be performed on steam at the tail end of the detected flowmeter, so that the steam can be condensed into a water body under the action of heat exchange, and meanwhile, the temperature of the condensed water body can be quickly cooled to a temperature range required by detection of a mass flowmeter standard meter by the cooler; the mass flow meter standard meter can measure and detect the condensed water body, so that a worker can conveniently compare and calibrate the data detected by the mass flow meter standard meter with the detected flow meter, the tedious weighing calculation step is correspondingly omitted, and the efficiency of the detection operation is improved.
Owner:å¼ æ¶›

On-line raw coal preheating device of pulverized coal preparation system

The utility model discloses a raw coal on-line preheating device of a pulverized coal preparation system, and relates to the technical field of blast furnace ironmaking coal injection. A steam main pipe and an outlet main pipe are arranged on the outer side of a raw coal bunker, a plurality of steam branch pipes are connected between the steam main pipe and the outlet main pipe, and the steam branch pipes penetrate into the raw coal bunker at different heights of the raw coal bunker and penetrate out of the raw coal bunker after heat exchange structures are arranged on horizontal planes at the heights. The part, penetrating out of the raw coal bunker, of each steam branch pipe is also connected with a steam branch pipe drainage pipe; the outlet main pipe and each steam branch pipe drainage pipe are respectively connected with a drain valve; a steam branch pipe anti-collision device is fixedly arranged above each steam branch pipe in the raw coal bunker and is used for blocking impact and friction of raw coal on the steam branch pipes; in consideration that steam is discharged after the raw coal is preheated, a dust remover is further arranged at the top of the raw coal bunker for forced discharging; the raw coal preheating device is simple in structure, and the raw coal preheating effect is effectively improved; the water content of the preheated raw coal entering the mill is reduced, and the yield of the mill can be effectively improved.
Owner:HUATIAN NANJING ENG & TECH CORP MCC +1

Steam trap monitoring devices, systems, and related techniques

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.
Owner:SHOPLOGIX (U S) INC

Efficient and energy-saving type steam dewatering booster pump

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.
Owner:CHANGZHOU KANGDESAITE JIENENGHUANBAO TECH CO LTD

Steam trap diagnostic system

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
Owner:TLV CO LTD

Multifunctional hot water tank device

The utility model discloses a multifunctional hot water tank device, which belongs to the technical field of fused salt temperature control and comprises a fused salt pipeline device and a hot water tank device, the fused salt pipeline device comprises a fused salt feeding pipe, and a fused salt inlet valve and a fused salt outlet valve are respectively arranged at two ends of the fused salt feeding pipe; the hot water tank device comprises a hot water tank body, the top of the hot water tank body is connected with the fused salt feeding pipe through a first pipeline, the bottom of the hot water tank body is connected with a water inlet of the circulating pump through a second pipeline, and a water outlet of the circulating pump is connected with the fused salt feeding pipe through a third pipeline. The utility model solves the problems that the steam for heating the fused salt pipeline is directly discharged through a drain valve in the prior art, and the deionized water is also directly discharged after cooling the fused salt pipeline, so that the water resource is wasted. According to the utility model, steam water is collected, and then the collected steam water is used for cooling the fused salt feeding pipe through the circulating pump, so that workshop resources can be fully utilized, the waste of water resources is reduced, and the workshop cost is greatly saved.
Owner:ANHUI RUIBANG BIOLOGICAL SCI & TECH CO LTD

A gas conduit stopper

ActiveCN224497941UWater stopAutomatic control
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.
Owner:POWER CHINA KUNMING ENG CORP LTD

A fully automatic zero-gas consumption drain valve

ActiveCN224680546Ueasy to separateEfficient automatic drainageGlass fiberStructural engineering
The application relates to a full-automatic zero-gas consumption drain valve and relates to the technical field of drain valves, which comprises a support, the inside of the support is fixedly connected with a glass fiber pipe, the inside of the support is fixedly connected with an aluminum square pipe, the outside of the aluminum square pipe is provided with a drainage mechanism, the inner wall of the support is provided with a connecting mechanism, one side of the inside of the support is fixedly connected with a water inlet block, one side of the outside of the support is provided with a centrifugal separation mechanism, the drainage mechanism comprises a limiting bolt, the outside of the limiting bolt is threadedly connected at the top of the aluminum square pipe, and the outside of the limiting bolt is fixedly connected with a floating ball plate. The application realizes efficient separation and automatic drainage by automatically controlling the opening and closing of a drainage channel according to the condensate liquid level through the linkage mechanism of the floating ball plate and a valve ball, does not need an additional gas source for driving, reduces operation cost, and improves stability and reliability.
Owner:UNICAL MASCH & ENG (SHANGHAI) CO LTD

Steam pipe drain device for thermal engineering

The utility model discloses a steam pipeline drainage device for heat engineering, including the drainage branch pipe of being connected on steam pipeline, set up the drainage valve and the storage bucket for storing condensate water on the drainage branch pipe, be provided with filter assembly on the drainage branch pipe, and filter assembly distributes the both sides of drainage valve, and filter assembly can detachable setting is in the drainage pipe, and the water outlet of drainage valve is provided with the connecting pipe, and the connecting pipe with storage bucket is detachable connection, and the translation support mechanism is established to the below of storage bucket, and the translation support mechanism is provided with two placement sites, and each placement site can place a storage bucket. The scheme is through setting detachable filter assembly in the drainage branch pipe, realizes double filtration, prevents the impurity and blocks the drainage valve. The telescopic design of connecting pipe cooperates with the translation support mechanism, makes the storage barrel change convenient, need not stop, guarantees steam pipeline continuous operation, improves work efficiency, and storage barrel collects condensate, avoids water resource and heat waste.
Owner:HEFEI HUAFENG HEATING & VENTILATING EQUIP CO LTD

Steam condensate water cooling and recycling energy-saving system of air heater in tobacco processing

The utility model discloses a steam condensate cooling and recycling energy-saving system of an air heater in tobacco processing, and belongs to the technical field of tobacco processing. The steam condensate cooling and recycling energy-saving system of the air heater in tobacco processing comprises the air heater, a preheating unit and a recycling unit, a steam heat exchange cavity and an air conveying channel are arranged in the air heater, and the preheating unit comprises an air preheater and a first liquid discharging pipeline; one end of the first liquid discharge pipeline is communicated with an outlet of a steam heat exchange cavity of the air heater, the other end of the first liquid discharge pipeline is communicated with an inlet of a condensate water heat exchange cavity of the air preheater, and a drain valve is arranged on the first liquid discharge pipeline; the recycling unit comprises a condensate water recycling pipe and a water collecting tank, one end of the condensate water recycling pipe is communicated with an outlet of the condensate water heat exchange cavity of the air preheater, and the other end of the condensate water recycling pipe is communicated with the water collecting tank. According to the utility model, steam condensate water from the air heater can be reutilized, so that the energy-saving efficiency of the cigarette production line is improved.
Owner:HONGYUN HONGHE TOBACCO (GRP) CO LTD

Solar electric drainage device based on Internet of Things technology

A solar electric drainage device based on the Internet of Things technology comprises an electric drainage valve, a water conveying pipe, a liquid level switch, an I / O remote controller, an electric control box, a photovoltaic panel and a management cloud platform. The electric drain valve is connected with the steam pipe through the water conveying pipe, a liquid level switch is arranged on the water conveying pipe, the electric drain valve and the I / O remote controller are both installed in the electric control box, the photovoltaic panel is installed on the electric control box and used for providing power for equipment in the electric control box, the I / O remote controller is in control connection with the electric drain valve, and the management cloud platform is in monitoring connection with the I / O remote controller. The device is simple in structure, convenient to operate, capable of monitoring the working state and fault of equipment in real time, capable of mastering the drainage amount of the steam pipe network and estimating the heat loss of the pipe network through data analysis, capable of helping to formulate energy-saving measures, energy-saving, environment-friendly, flexible and practical.
Owner:WUHAN DEWEI ENG TECH CO LTD

Floating ball type steam trap suitable for low-pressure working condition

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.
Owner:INNER MONGOLIA TONGWEI SILICON ENERGY CO LTD

Air heat exchanger with built-in separating device

This invention discloses an air heat exchanger with a built-in separation device, comprising a front end cap, a tube box, a shell, and a rear end cap. The first end of the shell is connected to the tube box, the second end of the shell is connected to the rear end cap, and the front end cap is connected to the tube box. U-shaped heat exchange tubes are arranged inside the shell, with both ends of the U-shaped heat exchange tubes connected to a tube sheet. The tube sheet is located between the tube box and the shell. A partition plate is installed inside the shell to divide the tube pass into two flows. An air inlet is located at the top of the tube box, and an air outlet is located at the bottom of the tube box. A gas-liquid separation device is installed inside the tube box adjacent to the air outlet. A fluid outlet is located at the top of the shell, and a fluid inlet is located at the bottom of the shell. The gas-liquid separation device includes a filter screen and a drain valve. The filter screen is arranged at the air outlet to separate gas and liquid, and the drain valve is arranged on the pipe at the air outlet to discharge condensate. The air heat exchanger with a built-in separation device provided by this invention has the advantages of integrating heat exchange and gas-liquid separation functions, improving heat exchange efficiency, and ensuring safe operation.
Owner:HUANENG ZHONGYAN (CHANGZHOU) ENERGY STORAGE CO LTD +2

Cooling tower and steam drainage cooling system

The utility model relates to a cooling tower and a steam drainage cooling system.The cooling tower comprises a tower body, an opening is formed in the bottom of the tower body, an air outlet is formed in the top of the tower body, a liquid outlet part is arranged on the upper portion of the tower body and used for introducing liquid to be cooled into the tower body, and a ventilator is installed at the top of the tower body and used for ventilating the liquid to be cooled into the tower body; the ventilator comprises a ventilator shaft and ventilator blades installed on the ventilator shaft, the ventilator blades are located in the tower body and used for generating airflow flowing from the opening to the air outlet, the driving mechanism comprises a driving shaft, an impeller and a transmission assembly, and the driving shaft is rotatably arranged in the tower body; the impeller is arranged on the driving shaft in a sleeving mode, blades of at least part of the impeller are located below the liquid outlet part so that the impeller can rotate under the impact of the liquid to be cooled and drive the driving shaft to rotate, and the driving shaft is in transmission connection with the ventilator shaft through the transmission assembly. The cooling tower can drive the ventilator to operate to cool the liquid to be cooled by utilizing the impact force of the liquid to be cooled.
Owner:ZHEJIANG GUOHUA ZHENENG POWER GENERATION CO LTD

GEOTHERMAL DEHYDRATOR FOR FOOD DRYING BASED ON GEOTHERMAL ENERGY

PendingIDS00202608230ADryingFood material
This invention discloses a Geothermal Dehydrator for Geothermal Energy-Based Food Drying that utilizes geothermal waste steam as a heat source through an indirect heating system for the dehydration process of food materials. This device consists of a drying chamber in the form of a closed cabinet made of aluminum which is equipped with a supporting frame, a tiered drying rack made of stainless steel, a cabinet door coated with aluminum, rockwool, and stainless steel, a stainless steel heating pipe placed at the bottom and top of the drying chamber, a hot steam outlet, a temperature indicator, a condensate drain, a hot steam trap, a hot steam inlet valve, and a hot steam outlet valve. The geothermal waste steam is channeled through the heating pipe so that heat is transferred indirectly to the air in the drying chamber without direct contact with the food material.The moisture from the drying process is removed through a hot steam outlet, while the condensate formed in the piping system is channeled through a condensate drain and automatically disposed of using a hot steam trap so that heat transfer efficiency is maintained. This invention produces a drying process that is faster, more stable, hygienic, and independent of weather conditions compared to conventional drying methods, and supports the direct use of geothermal energy as an energy-saving, efficient, and environmentally friendly food drying technology.
Owner:PT

Thermal solubilization treatment method for excess sewage sludge and use of treatment product in microalgae cultivation

To provide a method for thermally solubilizing excess sludge generated during sewage treatment in a short period of time by treating the excess sludge in a thermal solubilization apparatus.SOLUTION: The excess sludge thermal solubilization apparatus used in the method of the present invention consists of a heat exchanger, a steam boiler that serves as the heat source for thermal solubilization, a steam supply valve, a steam pressure reducing valve set, a steam trap set, and an excess sludge supply pump. The product of thermal solubilization using the method of the present invention can be used as a nutrient source for the cultivation of heterotrophic and mixotrophic microalgae.SELECTED DRAWING: Figure 1
Owner:ANA HOLDINGS

Steam condensate water recycling system for chemical industry park

The utility model provides a steam condensate water recycling system for a chemical industry park, and belongs to the technical field of steam condensate water recycling. The system comprises a drain valve, a first condensate pump, a condensate pipe network, a condensate water tank, a second condensate pump, a plate heat exchanger and a heat pump system. And through the arrangement that the plate heat exchanger is coupled with the heat pump system, the waste heat of the condensate water is further recovered, and ideal condensate water waste heat recovery is achieved. The system further comprises an iron removal device, an oil removal device and a condensate water recovery system for fine treatment, the condensate water recovery system for fine treatment is connected with the heat pump system in parallel, and the problems that waste heat utilization is not thorough and water and heat utilization requirements change along with seasons can be solved. According to the steam condensate water recycling system for the chemical industry park, the waste heat utilization efficiency is high, condensate water is utilized more thoroughly, and the requirements of users for heat and various different process water can be met.
Owner:CHINA COAL SCI & TECH (TAIAN) CLEAN ENERGY CO LTD

Steam supply structure and steam supply equipment for thermal power plant

The invention discloses a steam supply structure and steam supply equipment for a thermal power plant. The steam supply structure comprises a main steam pipeline; the auxiliary steam pipeline is communicated with the main steam pipeline through a self-cleaning drain valve device; the self-cleaning drain valve device comprises a valve shell, and a centrifugal assembly is arranged in the valve shell; the collecting assembly is arranged at the bottom of the valve shell and located below the centrifugal assembly. One end of the unblocking assembly is connected to the centrifugal assembly, and the other end is in contact with the collecting assembly; under the action of steam, the centrifugal assembly rotates to throw impurities in the steam into the collecting assembly, and meanwhile, the surface of the collecting assembly is unblocked through the unblocking assembly. Under the action of steam, the steam trap can rotate to throw impurities in the steam to the collecting assembly, so that the impurities are prevented from being deposited at key parts such as the valve seat, the valve clack or the valve plate, the problem that a traditional steam trap is easy to block is effectively solved, and the normal drainage function of the steam trap is guaranteed.
Owner:XIAN TPRI POWER PLANT INFORMATION TECHNOLOGY CO LTD +1

Steam trap

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.
Owner:IMPERIUM TECHNOLOGIES INC

Continuous dewatering device with flash steam recovery function

ActiveCN224150678Ureduce wasteReduce the risk of accelerated oxidative corrosionPipeline systemsSteam trapsHigh humiditySteam trap
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.
Owner:SICHUAN SHUYUAN TEA TECH CO LTD

Start-stop hydronic pipe heat tracing device

ActiveCN224454101UThermodynamicsSteam trap
This application discloses a start / stop drain pipe heat tracing device, relating to the field of heating pipe networks. It includes an inlet pipe connected to the main pipe of the heating pipe network. Below the inlet pipe, a first drain valve, a relay pipe, a second drain valve, and an outlet pipe are connected in sequence. A branch pipe is connected to the side end of the relay pipe, and a needle valve is connected to the end of the branch pipe. A flexible metal hose is installed at the rear end of the needle valve, and the flexible metal hose is sequentially wound around the relay pipe, the second drain valve, and the outlet pipe. This device can achieve a steam heat tracing effect by slightly opening the needle valve, allowing a very small amount of steam to flow through the flexible metal hose. A small amount of steam also flows through the inlet pipe to maintain a certain temperature, saving steam and solving the problem of easy damage to the start / stop drain valve, ensuring the integrity of the equipment and ensuring the effective implementation of cold-proof and anti-freezing measures.
Owner:SHANGHAI SIEC WAIGAOQIAO THERMAL DEVELOPMENT CO LTD

Backpressure unit

The utility model relates to the technical field of generator sets, in particular to a backpressure unit which comprises a main steam pipe, the main steam pipe is connected with a guide pipe, the guide pipe is connected with a steam inlet of a steam turbine, the steam inlet is provided with a speed regulation valve, and the steam turbine is connected with a drainage expansion box through a body water conveying pipe. The guide pipe is connected with a drain expansion box through a guide pipe drain pipe, and a guide pipe drain valve is arranged on the guide pipe drain pipe; an automatic main steam valve and an electric main steam valve are arranged on the main steam pipe; by arranging the guide pipe drain pipe and the guide pipe drain valve, the speed regulating valve can be closed, the guide pipe drain valve can be opened, and steam is introduced to fully warm the main steam pipe and the guide pipe; and the problem that the safety of the unit is influenced as the steam temperature is lower than the metal temperature of the cylinder due to over-low temperature of the main steam pipe and the conduit is avoided.
Owner:SHANDONG HONGQIAO NEW MATERIAL CO LTD

Steam heating box type steel coil heat preservation device

The invention provides a steam heating box type steel coil heat preservation device which comprises a heat preservation box, a radiator adopting steam for heat supply is arranged in the heat preservation box, the inlet end of the radiator is communicated with a steam supply pipeline, the outlet end of the radiator is communicated with a first condensate water recycling pipeline, and the inlet end of the radiator is higher than the outlet end of the radiator. The steam supply pipeline and the first condensate water recovery pipeline both extend out of the heat preservation box, and a first drain valve is arranged on the first condensate water recovery pipeline and located outside the heat preservation box. The first drain valve at the outlet of the radiator can drain condensate water in time, and it is guaranteed that the heat exchange efficiency of the radiator is always kept at a high level. According to the invention, the requirement of rapid temperature rise of the steel coil can be met, the temperature of the supplied steel coil is maintained in a proper interval, and the continuity and stability of subsequent rolling production can be ensured. And steam is used as a heat source medium, so that environmental protection and high safety are achieved.
Owner:WISDRI ENG & RES INC LTD

Corrosion-resistant drain valve

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.
Owner:FUNING COUNTRY ZHONGZI SHIPPING ACCESSORIES CO LTD

Steam trap system

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.
Owner:FORBES MARSHALL TECH PVT LTD