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385 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

Leakage detection method and system for drain valve

The invention relates to the technical field of drain valve leak detection, and discloses a leak detection method and system for a drain valve, and the method comprises the steps: arranging a sensor array on the drain valve, and obtaining the operation data of the drain valve through the sensor array; obtaining the model and the working condition of the drain valve, and determining the reference parameter data of the drain valve based on the model and the working condition; acquiring historical data of the drain valve, adjusting the reference parameter data according to the historical data, and determining dynamic reference parameter data of the drain valve; and identifying the operation parameters based on the dynamic reference parameter data, determining leakage characteristics of the drain valve, determining whether the drain valve leaks or not according to the leakage characteristics, and performing leakage early warning. The drain valve can be monitored in real time, the leakage problem can be found in time, and the reliability and safety of the drain valve are improved.
Owner:BAND VALVE TECH CO LTD

Isobaric reactor starting and stopping system of high-temperature gas cooled reactor unit

The utility model provides an isobaric reactor start-stop system of a high-temperature gas cooled reactor unit, which comprises a nuclear island evaporator, a steam-water separator, a bypass drain valve, a steam-water separator drain valve and a condenser, the nuclear island evaporator is connected to a main steam collecting pipe through a first main steam pipeline and a second main steam pipeline, and the reactor start-stop system is connected to the main steam collecting pipe through a first main steam pipeline and a second main steam pipeline. The pressure of an outlet of the nuclear island evaporator is maintained at a rated value through the bypass drain valve, the liquid level in the steam-water separator is maintained within a rated range through the steam-water separator drain valve, and compared with the prior art, the device has the advantages that a reactor starting and stopping system is simplified, and the manufacturing cost is saved; active control targets are reduced, and operation control logic is clear and concise; a steam-water separator inlet regulating valve is omitted, so that the operation stability is improved, and the operation intensity is reduced; a steam-water separator safety valve is omitted, and part fault hidden dangers are reduced.
Owner:NORTHEAST ELECTRIC POWER DESIGN INST CO LTD OF CHINA POWER ENG CONSULTING GRP

Gas-liquid separation system of electrolytic bath test equipment

The utility model relates to the technical field of gas-liquid separation, and discloses a gas-liquid separation system of electrolytic bath test equipment, which comprises a first-stage gas-liquid separation tank, an injection port is fixedly connected to the outer wall of the first-stage gas-liquid separation tank, a second-stage gas-liquid separation tank is arranged on the outer wall of the first-stage gas-liquid separation tank, and the injection port is fixedly connected to the injection port. A gas exhaust port is formed in the top of the second-stage gas-liquid separation tank, a drain valve is arranged at the bottom of the second-stage gas-liquid separation tank, the drain valve is provided with a drainage assembly, and the drainage assembly is used for discharging liquid water in the second-stage gas-liquid separation tank. According to the gas-liquid separation system, liquid enters the drainage system through the steam trap after passing through the gas-liquid separation tank, gas upwards passes through the gas exhaust port, and generated hydrogen and oxygen are subjected to gas cooling and water separation treatment through the first-stage gas-liquid separation system and the second-stage gas-liquid separation system of the system, so that the problem that the water content of a gas source is relatively high is solved, and the flow measurement precision is improved.
Owner:DALIAN JINGYUAN HYDROGEN 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 trap

The steam trap is used for being installed on a steam pipeline, the steam trap comprises a steam trap body and a drainage mechanism, the steam trap body is installed at the bottom of the steam pipeline and forms a cavity communicating with the steam pipeline, and a drainage opening is formed in the bottom wall of the cavity; the drainage mechanism is arranged in the cavity and comprises a movable part, a supporting part and a blocking part, the supporting part is vertically installed on the bottom wall of the cavity, the movable part is rotationally connected to the supporting part, a first connecting point of the movable part and the supporting part is arranged between the two ends of the movable part, and the blocking part is connected to the end of the movable part and used for blocking the drainage opening; the supporting piece can expand with heat and contract with cold in the vertical direction so that the movable piece can rotate around the first connecting point and drive the blocking piece to open or block the water outlet. By means of the technical scheme, the steam trap can automatically discharge and drain water, steam is prevented from escaping and leaking, and the steam utilization rate can be increased.
Owner:国家能源集团泰州发电有限公司

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:张涛

Sterile feeding and discharging equipment with cross valve group

The utility model discloses sterile feeding and discharging equipment with a cross valve group. The sterile feeding and discharging equipment comprises the cross valve group, a steam pressure reduction unit and a steam barrier unit, the cross valve group comprises a T-shaped sterile valve, an L-shaped sterile valve and a four-way joint; the steam pressure reducing unit comprises a steam source, a steam filter, a steam pressure reducing valve, a steam pressure gauge, a steam stop valve and a thick pipe; the steam barrier unit comprises a first automatic angle seat valve, a second automatic angle seat valve and a steam trap. According to the utility model, the flow direction of the product is switched by utilizing the cross valve group, the steam pressure reduction unit provides clean and stable-pressure steam for the steam barrier of the cross valve group, and the steam barrier unit provides sterile guarantee for the production of the cross valve group, so that steam sterilization can be carried out under the condition of high temperature for a long time; the sterilization procedure before production of the sterile tank is met, pollution of microorganisms is avoided, the selection of feeding and discharging at the same time is provided for production of the sterile tank, the sterile condition in the production process is guaranteed, pollution of the microorganisms is avoided, and the requirement for long-shelf-life products is met.
Owner:JIEYI FLUID TECH SHANGHAI

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

Discharged steam condensate recovery device of multi-component feed gas conversion hydrogen production device

The utility model relates to a multi-component feed gas conversion hydrogen production device discharged steam condensate recovery device which comprises a water collection tank, the side wall of the water collection tank is fixedly connected with a steam condensate input main pipeline, one end of the steam condensate input main pipeline is connected with a first steam input pipeline, and a first steam trap is installed on the first steam input pipeline. A water collecting tank inlet valve is mounted on the steam condensate input main pipeline; the side wall of the water collecting tank is fixedly connected with a steam condensate output pipeline, one end of the steam condensate output pipeline is connected with a mechanical power pump, the side wall of the mechanical power pump is connected with a first water outlet pipe, one end of the first water outlet pipe is connected with a steam condensate water cooler, the steam condensate water cooler is connected with a second water outlet pipe, and one end of the second water outlet pipe is connected with a deaerator. The steam condensate recycling device has the advantages of being more reasonable in structural design, low in machining and manufacturing cost, easy to operate, safe, reliable, capable of prolonging the service life of a pipeline, capable of recycling steam condensate, energy-saving, environment-friendly and capable of preventing environmental pollution.
Owner:GANSU HONGHUI ENERGY CHEM CO LTD

Control Method for Cold State Preheating Start-up of Steam Turbine in Gas-steam Combined Cycle Unit

The present application proposes a cold preheating start control method for a steam turbine in a gas-steam combined cycle unit, which is applied to a coaxial gas-steam combined cycle unit and includes: issuing action instructions to each valve of the steam turbine; confirming the steam quality, and shielding the Z2 criterion during the confirmation process; determining the warm-up pipe state, and shielding the verification of the Z4 criterion and the fully open state of the ESV valve; verifying the steam inlet volume of the steam turbine; verifying the shaft temperature, steam flow rate, superheat degree, and X1 criterion; controlling the opening of the drain valves in front of the high-pressure control valve and the medium-pressure control valve; releasing the steam quality confirmation button, and verifying various parameters of the steam turbine, while shielding the verification of the Z2 criterion, X6 criterion, and the fully open state of the ESV valve; setting the speed set value in the steam turbine controller to the warm-up speed; starting to calculate the warm-up time, and reaching the preset speed value in the water washing mode; engaging the SSS clutch until the sequence control start is completed.
Owner:XIAN THERMAL POWER RES INST CO LTD

Steam trap

A steam trap may include a valve configured to release condensate water from a steam system, wherein the valve includes a movable component that is configured to move during actuation of the valve; a position indicator physically coupled to the movable component; a position sensor configured to read a position of the position indicator; and a processor communicatively coupled to the position sensor and configured to transmit data regarding the position of the position indicator via a network interface.
Owner:IMPERIUM TECHNOLOGIES INC

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

Energy-saving and environment-friendly organic amine solvent regeneration system and regeneration method

The invention belongs to the technical field of carbon dioxide capture, and particularly relates to an energy-saving and environment-friendly organic amine solvent regeneration system and regeneration method. The energy-saving and environment-friendly organic amine solvent regeneration system comprises a regeneration tower, a boiler, a condensate water tank and a steam temperature and pressure reduction device which are sequentially and circularly connected, and also comprises a steam trap and a condensate water pump which can be further arranged. According to the invention, the heat of the steam condensate water as the desuperheating water part is recycled, so that the amount of externally supplied steam is reduced, and the regeneration energy consumption of the organic amine solution is reduced; the discharge amount of steam condensate water is reduced, the load on a condensate water system or a unit drainage tank of a thermal power plant is reduced, and visual pollution caused by the condensate water is reduced; in addition, the steam temperature and pressure reduction device does not need to externally supply deionized water, so that the consumption of the deionized water can be reduced; in addition, the technical scheme provided by the invention can be realized only by modifying an existing organic amine solution regeneration system and a steam supply system, and the generalization performance is better.
Owner:CHINA RESOURCES POWER (HAIFENG) LTD +1

Water supply system valve inner leakage drainage isolation structure

Compared with the prior art, the drainage isolation structure for internal leakage of the valve of the water supply system has the following beneficial effects that drainage and drainage can be carried out before the valve is controlled, so that high-temperature steam leaked due to internal leakage of the valve is taken away, the situation that a subsequent system cannot be overhauled due to internal leakage of the valve is avoided, production halt of the system is avoided, and the overhaul cost is reduced; comprising a water conveying pipeline, and check valves and control valves are arranged on the water conveying pipeline at intervals in the water conveying direction; the first drainage opening is formed in the water conveying pipeline and located on the side, close to the check valve, of the control valve, and a first drainage valve is arranged on the first drainage opening; and the water inlet is arranged between the check valve and the first drain port and is used for being communicated with a cooling water source.
Owner:CHINALCO (ZHENGZHOU) ALUMINUM 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